Proprietary Technology | Patented/Proprietary technology

No.	Patent Title	Patent No.	Application Date (Year/Month/Day)	Type	Date of Authorized Announcement (Year/Month/Day)
1	Method for removing sulfate radical from underground brine	ZL02138308.1	2002/9/20	Invention	2005/3/23
2	Method for producing wet process phosphoric acid from low-grade phosphate rock	ZL200510022547.2	2005/12/23	Invention	2007/5/23
3	Method for two-stage concentration of wet process phosphoric acid	ZL200610039937.5	2006/4/27	Invention	2009/4/22
4	Two-effect evaporation process of wet process phosphoric acid	ZL200810236248.2	2008/11/27	Invention	2011/4/13
5	Method for producing high-purity concentrated hydrochloric acid from hydrogen chloride gas containing chlorosilane	ZL200910183870.6	2009/8/3	Invention	2011/1/26
6	Method and unit for preparing raw material needed for preparation of acetic anhydride by carbonylation	ZL200910035876.9	2009/9/28	Invention	2012/11/28
7	Method for treating iodomethane-containing combustible gas emitted to the flare system from oxo-synthesis unit	ZL200910232255.x	2009/12/10	Invention	2012/7/4
8	Tube heating furnace for oxygen-deficient combustion of high temperature air	ZL201020578850.7	2010/10/27	Utility model	2011/7/27
9	Flexibly-adjusted energy-saving 4-in-1 reforming furnace	ZL201020578970.7	2010/10/27	Utility model	2011/6/1
10	Horizontal half cross-flow packed desulfurizing scrubber	ZL201020672451.7	2010/12/21	Utility model	2011/8/3
11	Boiling calciner	ZL201120204722.0	2011/6/17	Utility model	2012/3/14
12	Column for washing and purifying sulfur-containing tail gas by the ammonia process	ZL201120322549.4	2011/8/31	Utility model	2012/5/23
13	Yellow phosphorus tail gas waste heat recovery system with a stand-alone combustion chamber	ZL201120414865.4	2011/10/27	Utility model	2012/7/4
14	New efficient chemical incinerator	ZL201120414860.1	2011/10/27	Utility model	2012/6/20
15	High-efficiency gas-liquid self-mixing reactor	ZL201110405030.7	2011/12/8	Invention	2014/9/24
16	Slag waste heat recovery and slag dust classification system in acid production by pyrites	ZL201220339112.6	2012/7/12	Utility model	2013/1/16
17	New yellow phosphorus storage and metering device	ZL201220553152.0	2012/10/26	Utility model	2013/8/28
18	Unit for washing and purifying sulfur-containing tail gas by the ammonia process	ZL 201220556039.8	2012/10/26	Utility model	2013/4/10
19	Method for deeply purifying yellow phosphorus tail gas by oxidation and alkali washing	ZL201210417461.x	2012/10/26	Invention	2015/10/28
20	System for deeply purifying yellow phosphorus tail gas by oxidation and alkali washing	ZL201220553135.7	2012/10/26	Utility model	2013/8/28
21	Automatic packaging system for solid with poor fluidity	ZL201220547672.0	2012/10/24	Utility model	2013/3/27
22	Flame cutting device for thinning thick plate groove	ZL201220541971.3	2012/10/22	Utility model	2013/4/10
23	Production unit for continuous phosphorus filtration by the press filtering method	ZL201320004540.8	2013/1/6	Utility model	2013/6/26
24	Silicon powder drying system	ZL201320004330.9	2013/1/6	Utility model	2013/6/26
25	Mixer	ZL201320234970.9	2013/5/3	Utility model	2013/9/25
26	Method for phosphoric acid defluorination through tower-type air stripping	201310205676.x	2013/5/27	Invention	2016/6/22
27	Method and unit for treating sulfuric acid tail gas sulfur dioxide	201310235223.1	2013/6/14	Invention	2015/2/11
28	Unit for treating sulfuric acid tail gas sulfur dioxide	2013203399372	2013/6/14	Utility model	2013/12/4
29	Combined unit for lightening residual oil/medium and low temperature coal tar	201320369968.2	2013/6/25	Utility model	2013/12/25
30	Combined process method for lightening residual oil/medium and low temperature coal tar	201310260514.6	2013/6/25	Invention	2015/10/21
31	Unit for producing high-quality coke from residual oil/medium and low temperature coal tar	201320368062.9	2013/6/25	Utility model	2013/12/25
32	Process method for producing high-quality coke from residual oil/medium and low temperature coal tar	201310256266.8	2013/6/25	Invention	2015/4/15
33	Unit for producing high-grade lubricant base oil through hydrogenation of hydrocracking tail oil	201320373631.9	2013/6/25	Utility model	2013/12/25
34	Method for producing high-grade lubricant base oil through hydrogenation of hydrocracking tail oil	201310257219.5	2013/6/25	Invention	2015/10/21
35	Combined unit for producing high-grade lubricant base oil through hydrogenation of hydrocracking tail oil	201320370624.3	2013/6/25	Utility model	2013/12/25
36	Combined method for producing high-grade lubricant base oil through hydrogenation of hydrocracking tail oil	201310260515.0	2013/6/25	Invention	2015/10/28
37	Unit for producing gasoline and diesel through direct hydrogenation of medium and low temperature coal tar	201320368087.9	2013/6/25	Utility model	2013/12/25
38	Method for producing gasoline and diesel through direct hydrogenation of medium and low temperature coal tar	201310256855.6	2013/6/25	Invention	2015/7/22
39	Combined unit for heavy oil hydrotreating-catalytic cracking-PSA purification	201320374004.7	2013/6/25	Utility model	2013/12/25
40	Combined process method for heavy oil hydrotreating-catalytic cracking-PSA purification	201310256196.6	2013/6/25	Invention	2015/4/15
41	Method for efficient recovery of sulfur from hydrogen sulfide-containing waste gas	201310284844.9	2013/7/8	Invention	2016/6/15
42	Unit for efficient recovery of sulfur from hydrogen sulfide-containing waste gas	201320405152.0	2013/7/8	Utility model	2013/12/25
43	Unit for treating sulfur recovery tail gas	201320427687.8	2013/7/18	Utility model	2014/2/26
44	Reusable spreader system for integral lifting of slender and thin-walled equipment	201320453694.5	2013/7/26	Utility model	2014/1/8
45	Reusable mounted box-shaped tailing spreader system	201310331096.5	2013/8/1	Invention	2015/1/14
46	Cyclone separation system	201320466573.4	2013/8/1	Utility model	2014/1/8
47	System for oxidization of mother liquor for treatment of industrial tail gas of sulfuric acid	201320497580.0	2013/8/14	Utility model	2014/2/26
48	System for efficient recycling of cyclohexanone waste lye	201320538944.5	2013/8/31	Utility model	2014/3/12
49	Method for overturning hoisting of large-diameter overweight gland	201310431526.0	2013/9/22	Invention	2015/2/11
50	Spreader system for overturning hoisting of large-diameter overweight gland	201320583810.5	2013/9/22	Utility model	2014/3/12
51	Modified device for instrument blowing method	201320595438.x	2013/9/25	Utility model	2014/3/12
52	Reactor	201320605651.4	2013/9/27	Utility model	2014/4/16
53	High-efficiency tubular reactor for producing sulfur-based compound fertilizer	201320602973.3	2013/9/27	Utility model	2014/4/16
54	New yellow phosphorus electric furnace electrode sealing structure	201320604633.4	2013/9/27	Utility model	2014/4/16
55	Ammonium nitrate crystal combination valve	201320628511.9	2013/10/11	Utility model	2014/4/16
56	Ammonium nitrate crystal automatic program control valve system	201320628062.8	2013/10/11	Utility model	2014/4/16
57	System for producing acid from sulfur-containing waste liquid by the dry method	201320678841.9	2013/10/31	Utility model	2014/4/23
58	Combined sewage stripping unit	201320712760.6	2013/11/12	Utility model	2014/8/27
59	System for comprehensive treatment of sulfur storage tail gas and liquid sulfur degassing	201320701870.2	2013/11/8	Utility model	2014/4/23
60	Multi-tower control method for pressure swing adsorption unit	201310549984.4	2013/11/8	Invention	2015/10/21
61	Device for installing tank bottom plate in low-temperature storage tank	201320829580.6	2013/12/13	Utility model	2014/6/11
62	System for automatic addition, neutralization and discharge of acid and alkali wastewater in a desalination station	201420011253.4	2014/1/9	Utility model	2014/12/10
63	Groove structure of spherical shell plate of spherical tank	201420007703.2	2014/1/7	Utility model	2015/2/18
64	Minimum backflow device for high-pressure differential pump	201420044449.3	2014/1/24	Utility model	2014/7/9
65	Differential pressure safety interlock for gasifier of coal water slurry pressurized gasification unit	201420044349.0	2014/1/24	Utility model	2014/8/6
66	Unit for separating gas ammonia and liquid ammonia in dilute nitric acid oxidation furnace	201420054131.3	2014/1/28	Utility model	2014/8/6
67	Reusable hydraulic tailing spreader system	201420069750.x	2014/2/18	Utility model	2014/8/20
68	Multi-cylinder combined cyclone dust collector	201420105246.0	2014/3/10	Utility model	2014/8/6
69	Sulfur pool tail gas treatment device of sulfur recovery unit	201410124557.6	2014/3/28	Invention	2016/9/28
70	Sulfur pool tail gas treatment device of sulfur recovery unit	201420149377.9	2014/3/28	Utility model	2014/8/20
71	Anti-sticking device for automatic packaging machine	201420166374.6	2014/4/8	Utility model	2014/12/10
72	Bilateral plow type unloader of belt conveyor with adjustable discharge flow	201420166182.5	2014/4/8	Utility model	2014/8/20
73	Spreader system for integral lifting of thin-wall equipment	201420166327.1	2014/4/8	Utility model	2014/8/20
74	Desulfurization absorption tower	201420189509.0	2014/4/18	Utility model	2014/8/20
75	New sulfur recovery unit	201420192858.8	2014/4/18	Utility model	2014/8/20
76	Ammonia absorption tail gas treatment method of sulfur recovery unit	201410159100.9	2014/4/18	Invention	2016/1/20
77	Ammonia absorption tail gas treatment device of sulfur recovery unit	201420193272.3	2014/4/18	Utility model	2014/8/20
78	Method for treating low-concentration ammonia-containing tail gas	201410159136.7	2014/4/18	Invention	2015/12/9
79	System for treating low-concentration ammonia-containing tail gas	201420193094.4	2014/4/18	Utility model	2014/8/20
80	System for treating ammonia-containing tail gas	201420192361.6	2014/4/18	Utility model	2014/8/20
81	Single and double flange transmitter debugging device	201420196970.9	2014/4/23	Utility model	2014/8/27
82	System for producing gasoline and diesel, petroleum coke and high-grade lubricant base oil	201420221682.4	2014/4/27	Utility model	2015/1/14
83	Method and system for producing gasoline and diesel, petroleum coke and high-grade lubricant base oil	201410180507.X	2014/4/27	Invention	2017/1/25
84	System for poly-generation of paraffin-based inferior crude oil	201420219301.9	2014/4/27	Utility model	2014/9/24
85	Method and system for poly-generation of paraffin-based inferior crude oil	201410178625.7	2014/4/27	Invention	2017/3/8
86	System for producing aromatics, petroleum coke and high-octane gasoline from inferior crude oil	201420209306.3	2014/4/27	Utility model	2014/9/24
87	Method and system for producing aromatics, petroleum coke and high-octane gasoline from inferior crude oil	201410174473.3	2014/4/27	Invention	2017/9/22
88	System for producing aromatics, asphalt and high-octane gasoline from inferior crude oil	201420209245.0	2014/4/27	Utility model	2014/9/24
89	Method and system for producing aromatics, asphalt and high-octane gasoline from inferior crude oil	201410174472.9	2014/4/27	Invention	2017/1/25
90	System for producing gasoline, diesel, asphalt and high-grade lubricant base oil	201420211648.9	2014/4/27	Utility model	2015/3/4
91	Method and system for producing gasoline, diesel, asphalt and high-grade lubricant base oil	201410173156.X	2014/4/27	Invention	2017/3/8
92	System for producing of gasoline, diesel and asphalt by lightening inferior crude oil	201420209760.9	2014/4/27	Utility model	2015/1/14
93	Sulfur recovery and tail gas treatment unit	201420246925.x	2014/5/14	Utility model	2014/9/24
94	System for accurate measurement of liquid level in the stock chamber of a gasifier	201420267766.1	2014/5/25	Utility model	2014/11/5
95	Reusable multi-level balance beam combination system	201420267767.6	2014/5/25	Utility model	2014/9/24
96	Unit for removing free ammonia in mixed slurry of ammonium sulfate and calcium carbonate	201420284337.5	2014/5/29	Utility model	2014/11/5
97	Unit and method for removing free ammonia in mixed slurry of ammonium sulfate and calcium carbonate	201410236043.X	2014/5/29	Invention	2016/4/13
98	Pipe rack for spring support	201420321672.8	2014/6/17	Utility model	2014/12/10
99	Linear glass tube heat exchanger	201420322181.5	2014/6/17	Utility model	2014/11/5
100	Debugging device of welding equipment	201420341802.4	2014/6/25	Utility model	2014/11/5
101	Split mounting type heat treatment heating furnace	201420381325.4	2014/7/10	Utility model	2014/12/10
102	Split mounting type heat treatment heating furnace and its building method	201410326982.3	2014/7/10	Invention	2017/5/10
103	Ground surface temperature measurement system inside a briquette bunker based on DTS optical fiber temperature sensor	201420426560.9	2014/7/30	Utility model	2014/12/10
104	Ground surface temperature measurement system inside a briquette bunker based on DTS optical fiber temperature sensor	201410369204.2	2014/7/30	Invention	2017/1/11
105	Hydrogenation reactor	201420442478.5	2014/8/6	Utility model	2015/1/14
106	Method and unit for classified treatment of compound fertilizer tail gas	201410413517.3	2014/8/20	Invention	2016/2/3
107	Unit for classified treatment of compound fertilizer tail gas	201420472590.3	2014/8/20	Utility model	2014/12/10
108	Electric pipe threader	201420482679.8	2014/8/25	Utility model	2015/1/14
109	New method for preparing sulfur by alkylating waste acid	201410476365.1	2014/9/18	Invention	2016/1/27
110	New unit for preparing sulfur by alkylating waste acid	201420537704.8	2014/9/18	Utility model	2015/2/11
111	New sulfur recovery unit capable of treating alkylated waste acid	201420537556.x	2014/9/18	Utility model	2015/2/11
112	New unit for producing sulfur by alkylating waste acid with energy recovery	201420537955.6	2014/9/18	Utility model	2015/2/11
113	New unit for producing sulfur by alkylating waste sulfuric acid	201420538656.4	2014/9/18	Utility model	2015/2/11
114	Flow regulating mechanism for self-gravity liquid sealing tube	201420544012.6	2014/9/19	Utility model	2015/5/20
115	Movable argon filling tooling structure for pipeline welding cycle	201420576193.0	2014/9/30	Utility model	2015/3/4
116	Method for controlling acid gas flare of acid gas-liquid separation tank	201410532173.8	2014/10/10	Invention	2019/2/1
117	Shell-type waste heat boiler with built-in bypass regulating valve	201420599104.4	2014/10/17	Utility model	2015/3/4
118	Pin type tailing spreader system	201420718134.2	2014/11/26	Utility model	2015/4/15
119	Telescopic tailing spreader system	201420718572.9	2014/11/26	Utility model	2015/4/16
120	Tailing spreader system	201420718135.7	2014/11/26	Utility model	2015/4/17
121	Wire rope connection type tailing spreader	201420718651.x	2014/11/26	Utility model	2015/4/18
122	Reducing exhaust heat recovery system	201420722101.5	2014/11/26	Utility model	2015/5/20
123	Device for enhancing mixing effect of saponification liquid in a cyclohexanone production unit	201420746616.9	2014/12/3	Utility model	2015/5/20
124	Jacking device for steel structure module	201520263457.1	2015/4/28	Utility model	2015/10/7
125	Method and device for lifting steel structure module	201510207212.1	2015/4/28	Invention	2017/7/14
126	External plate type lifting lug hoisting system for protecting steel wire rope	201520263831.8	2015/4/28	Utility model	2015/10/7
127	Pipeline cleaning device	201520281141.5	2015/5/5	Utility model	2015/10/7
128	Unit for using heat energy from catalytic hydrogenation of cyclohexanone production in dehydrogenation process	201510229436.2	2015/5/7	Invention	2016/6/15
129	Unit for producing cyclohexane by hydrogenation of gas phase benzene	201520292550.5	2015/5/7	Utility model	2015/9/16
130	Unit for desulfurization and ash removal	201520292967.1	2015/5/7	Utility model	2015/9/16
131	New filterable sulfur melting furnace	201520413197.1	2015/6/15	Utility model	2015/11/11
132	Tail gas treatment device for sulfur recovery unit	201520412748.2	2015/6/15	Utility model	2015/11/11
133	Tooling for modular prefabrication of steel structure	201520409569.3	2015/6/15	Utility model	2015/10/28
134	Tooling for modular prefabrication of steel structure	201510327091.4	2015/6/15	Invention	2017/6/27
135	System of limiting the tooling for modular prefabrication of steel structure	201520409362.6	2015/6/15	Utility model	2015/11/4
136	Micro friction system for tooling for modular prefabrication of steel structure	201520409701.0	2015/6/15	Utility model	2015/11/4
137	Method and device for treating tail gas of a sulfur recovery unit	201510330940.1	2015/6/15	Invention	2017/9/29
138	Small-section cable laying device	201520413875.4	2015/6/16	Utility model	2015/10/7
139	Degreasing device for aluminum-magnesium alloy pipelines	201520560873.8	2015/7/30	Utility model	2015/12/16
140	Unit for desulfurizing flue gas by the ammonia-ammonium sulfate method	201520572150.X	2015/8/3	Utility model	2015/12/23
141	Unit for desulfurizing flue gas by the ammonia-ammonium sulfate method	201510466458.0	2015/8/3	Invention	2017/3/8
142	Electric heater outlet temperature control circuit	201520645747.2	2015/8/25	Utility model	2016/1/27
143	Oilfield sewage waste heat recovery system	201520644072.X	2015/8/25	Utility model	2016/1/27
144	Tooling for balancing automatic pipeline welding machine	201520655989.X	2015/8/28	Utility model	2016/2/3
145	Unit for treating ammonia gas by using plate heat exchanger	201520674882.X	2015/9/1	Utility model	2016/1/27
146	Unit for removing fluorine in wet-process phosphoric acid by the blowing method	201520673983.5	2015/9/1	Utility model	2016/1/27
147	Unit for producing mixed fertilizer by using waste liquid generated from flue gas desulfurization and denitrification	201520679856.6	2015/9/1	Utility model	2016/1/27
148	New drying and absorbing unit	201520688103.1	2015/9/7	Utility model	2016/1/27
149	Oxidation liquid heat recovery unit	201520729925.X	2015/9/18	Utility model	2016/1/27
150	Street lamp control circuit	201520717926.2	2015/9/16	Utility model	2016/1/27
151	Energy recovery unit of natural gas desulfurization and decarbonization hydraulic turbine	201520718421.8	2015/9/16	Utility model	2016/1/20
152	Track for all-position automatic welding device of spherical tank	201520707437.9	2015/9/14	Utility model	2016/1/27
153	Street lamp control circuit and control method	201510591669.7	2015/9/16	Invention	2018/5/22
154	Oxidizing liquid heat recovery unit and recovery method	201510600815.8	2015/9/18	Invention	2018/3/16
155	Grab bridge crane warehouse	201510642422.3	2015/9/30	Invention	2016/9/28
156	High hardness brittle material tower	201520766053.4	2015/9/30	Utility model	2016/2/3
157	Unit for lightening vacuum residue coal tar and producing heavy-duty asphalt	201520782852.0	2015/10/10	Utility model	2016/3/2
158	Method and unit for lightening vacuum residue coal tar and producing heavy-duty asphalt	201510654386.2	2015/10/10	Invention	2016/9/28
159	Unit for staged absorption and desulfurization by the ammonia-ammonium sulfate method	201520782344.2	2015/10/10	Utility model	2016/3/9
160	Unit for staged absorption and desulfurization by the ammonia-ammonium sulfate method	201510652408.1	2015/10/10	Invention	2017/11/14
161	New gas purification unit	201520796661.X	2015/10/14	Utility model	2016/3/9
162	Groove welding structure for circular seams of spherical tank	201520806484.9	2015/10/19	Utility model	2016/8/4
163	Method for oximation of cyclohexanone	201510698820.7	2015/10/23	Invention	2017/8/25
164	Method for by-producing cyclohexanone oxime through flue gas desulfurization by the ammonia process	201510698837.2	2015/10/23	Invention	2018/2/6
165	Unit for crystallization and separation of p-xylene	201520858071.5	2015/10/29	Utility model	2016/4/13
166	Unit for crystallization and separation of p-xylene	201510726588.3	2015/10/29	Invention	2017/5/10
167	Crystal scrubber	201520857570.2	2015/10/29	Utility model	2016/4/13
168	Freezing crystallization device	201520857381.5	2015/10/29	Utility model	2016/4/13
169	Freezing crystallization device	201510725475.1	2015/10/29	Invention	2017/6/27
170	Tower-type crystallizer	201520857568.5	2015/10/29	Utility model	2016/4/13
171	Method for producing cyclohexanone oxime	201510719582.3	2015/10/29	Invention	2017/9/29
172	Large-diameter cable reel support device	201520913653.9	2015/11/17	Utility model	2016/4/6
173	Slag ash waste heat utilization device and pyrite-to-acid unit comprising the device	201520996611.6	2015/12/4	Utility model	2016/5/18
174	Slag ash waste heat utilization device and pyrite-to-acid unit comprising the device	201510883763.x	2015/12/4	Invention	2017/11/14
175	Argon gas cooling and protective cover for titanium tube welding	201521011326.0	2015/12/8	Utility model	2016/5/25
176	Tooling for cooling between automatic welding passes of stainless steel pipes	201521010046.8	2015/12/8	Utility model	2016/5/25
177	Tooling for internal surface cooling between automatic welding passes of stainless steel pipes	201620020181.9	2016/1/11	Utility model	2016/8/31
178	Combined heat exchanger	201620081285.0	2016/1/28	Utility model	2016/8/17
179	Heat and mass transfer and separator	201620081292.0	2016/1/28	Utility model	2016/8/17
180	Method for inputting oxygen during startup of gasifier	2016101187226	2016/3/3	Invention	2019/5/3
181	System for treating vacuum condensate in a coal water slurry gasification unit	201620159994.6	2016/3/3	Utility model	2016/8/10
182	Process gas purification unit with zero carbon emission	201620208421.8	2016/3/17	Utility model	2016/9/28
183	Process gas purification unit	201620206739.2	2016/3/17	Utility model	2016/9/28
184	Process gas purification method and unit with zero carbon emission	201610153986.5	2016/3/17	Invention	2018/6/29
185	Method for purify and separating coal-based gas gasified underground	201610201227.1	2016/3/31	Invention	2018/7/24
186	System for purify and separating coal-based gas gasified underground	201620268332.2	2016/3/31	Utility model	2016/9/28
187	Syngas methanation poly-generation unit	201620311397.0	2016/4/14	Utility model	2016/11/23
188	Syngas methanation poly-generation unit and method	201610230934.3	2016/4/14	Invention	2018/8/21
189	Coal-to-hydrogen CO conversion poly-generation unit	201620312482.9	2016/4/14	Utility model	2017/6/20
190	Coal-to-hydrogen CO conversion poly-generation method and unit	201610231578.7	2016/4/14	Invention	2018/2/6
191	Motor steering and CT polarity debugging device	201620531765.2	2016/6/1	Utility model	2016/12/7
192	Simple device for moving props of spherical tank	201620614511.7	2016/6/20	Utility model	2017/1/4
193	Simple device for moving props of spherical tank and method for moving props of spherical tank	201610444144.5	2016/6/20	Invention	2018/2/6
194	Chilled water pump heat backup system	201620660650.3	2016/6/28	Utility model	2017/2/8
195	Insulation support protection and auxiliary pipe threader	201620728044.0	2016/7/11	Utility model	2017/3/8
196	Calibrator of float level meter	201620831665.1	2016/8/2	Utility model	2017/3/8
197	Gas-liquid two-phase jet reactor and gas-liquid two-phase jet reaction system	201620842064.0	2016/8/4	Utility model	2017/3/8
198	Molecular sieve ultrafine grinding and packaging system	201620856108.5	2016/8/10	Utility model	2017/2/8
199	Container loading facility in automated three-dimensional warehouse	201620864495.7	2016/8/10	Utility model	2017/2/8
200	Cyclohexane oxidation unit	201620856109.X	2016/8/10	Utility model	2017/2/8
201	New chilled water filter	201620856119.3	2016/8/10	Utility model	2017/3/8
202	Online-monitored anti-corrosion oil storage tank	201620928109.6	2016/8/24	Utility model	2017/1/25
203	Low-voltage current sampling method with reactive power compensation	201610786131.6	2016/8/30	Invention	2019/1/15
204	Composite furnace lining structure for acid gas combustion furnace	201621042305.X	2016/9/8	Utility model	2017/5/10
205	Black water discharge system for gasifier startup	201621045378.4	2016/9/8	Utility model	2017/5/10
206	Ring tube multi-nozzle gas scrubber	201621059132.2	2016/9/18	Utility model	2017/8/11
207	Double-open hinge door with inflatable sealing structure	201621066122.1	2016/9/21	Utility model	2017/5/10
208	Central tube multi-nozzle gas scrubber	201610880782.1	2016/10/10	Invention	2019/5/7
209	DC oil pump power element configuration	201621117199.7	2016/10/12	Utility model	2017/5/10
210	Control system for flue gas cooling	201621117200.6	2016/10/12	Utility model	2017/5/10
211	Detachable flare tower reinforcement tooling	201621168794.3	2016/10/26	Utility model	2017/5/10
212	Propylene oxide production method	201610932164.7	2016/10/31	Invention	2019/5/3
213	Method for co-production of propylene oxide and cyclohexanone	201610932171.7	2016/10/31	Invention	2019/5/3
214	Grounding flat steel cold bending device	201621204255.0	2016/11/8	Utility model	2017/6/27
215	Elliptic scribbling compass with a fixed rope length	201621203840.9	2016/11/8	Utility model	2017/9/26
216	Anti-blocking device for desulfurization by the ammonia process	201621225704.X	2016/11/15	Utility model	2017/6/27
217	Dust removal unit for catalytic cracking of flue gas	201621225416.4	2016/11/15	Utility model	2017/6/27
218	System for stabilized heat treatment of welding seams of Austenitic stainless steel high-pressure pipelines	201621284341.7	2016/11/28	Utility model	2017/6/27
219	Detachable and adjustable lifting balance beam	201621291182.3	2016/11/29	Utility model	2017/6/27
220	Sulfuric acid tail gas high standard emission system	201621294571.1	2016/11/29	Utility model	2017/6/27
221	Device for simulating explosion of barreled liquid dangerous chemicals	201621300293.6	2016/11/30	Utility model	2017/8/11
222	Device for simulating swelling of barrel cover of liquid hazardous chemical barrel	201621299075.5	2016/11/30	Utility model	2017/8/11
223	Device for simulating rolling-off of liquid hazardous chemical barrel	201621299073.6	2016/11/30	Utility model	2017/8/11
224	Dangerous chemical storage accident simulation training system	201621299071.7	2016/11/30	Utility model	2017/8/11
225	New absorbing and demisting device	201621360591.4	2016/12/13	Utility model	2017/8/11
226	Unit for utilizing waste heat of cracking of phosphorus-containing waste sulfuric acid	201621405849.8	2016/12/21	Utility model	2017/8/11
227	Unit and method for producing carbon microspheres by lightening residue coal tar	201611245189.6	2016/12/29	Invention	2018/5/4
228	Unit for uniformly distributing the mixed gas of SCR system smoke and ammonia	201720123484.8	2017/2/10	Utility model	2017/11/10
229	Flushing water device for liquid level meter of gasifier	201720150384.4	2017/2/20	Utility model	2017/11/10
230	Unit for mixing ammonia and nitric acid flue gas	201720171069.X	2017/2/24	Utility model	2017/9/26
231	Oil recovery system for pipeline relocation works	201710109098.8	2017/2/27	Invention	2019/7/16
232	Energy-saving system for waste acid cracking	201720294398.3	2017/3/24	Utility model	2017/11/10
233	Combined heat exchange device in an ORC power generation system	201720342445.7	2017/4/1	Utility model	2017/12/19
234	Tooling for pipeline strength test based on compound feed pressure method	201720345687.1	2017/4/5	Utility model	2017/11/10
235	System for water injection, pressure test and drainage of oil and gas pipeline	201720357896.8	2017/4/7	Utility model	2017/11/10
236	Desulfurization and absorption unit	201720358871.X	2017/4/7	Utility model	2017/11/10
237	System for producing biogas from organic waste through anaerobic dry fermentation	201720368398.3	2017/4/10	Utility model	2018/2/6
238	Long-distance pipeline weld crater preheater	201720405274.8	2017/4/18	Utility model	2017/12/19
239	Efficient wet-type washing and dust removal unit	201720409925.0	2017/4/19	Utility model	2018/2/6
240	System for isothermal synthesis of natural gas at a non-stoichiometric ratio	201720534628.9	2017/5/15	Utility model	2017/12/19
241	Convenient device for debugging unit displacement probe	201720537066.3	2017/5/16	Utility model	2018/3/30
242	Quick-switching water sealing device used on drainage pipeline containing combustible liquid	201720537062.5	2017/5/16	Utility model	2018/3/30
243	Pairing tool for large-diameter pipeline	201720704484.7	2017/6/16	Utility model	2018/6/1
244	Furnace gas temperature control system of waste acid cracking furnace	201720729453.7	2017/6/21	Utility model	2018/2/6
245	Waste acid cracking waste heat recovery system	201720728815.0	2017/6/21	Utility model	2018/2/6
246	Anaerobic dry fermentation device	201720756479.0	2017/6/27	Utility model	2018/2/6
247	Nozzle correction device	201720855424.5	2017/7/14	Utility model	2018/2/6
248	Auxiliary towing device for directional drilling and crossing of oil and gas pipeline	201720855423.0	2017/7/14	Utility model	2018/4/20
249	Docking tool for large-diameter flange	201720861522.X	2017/7/17	Utility model	2018/2/6
250	Unit for removing NOx in sulfuric acid flue gas	201720895483.5	2017/7/21	Utility model	2018/3/16
251	Device for prefabricating instrument sunshade	201720912008.4	2017/7/25	Utility model	2018/2/6
252	Device for measuring density by pressure difference method for equipment which is prone to being blocked by spray liquid	201720920122.1	2017/7/27	Utility model	2018/2/6
253	System for post-treatment of ammonium sulfate in ammonia desulfurization	201720920986.3	2017/7/27	Utility model	2018/3/16
254	Combined unit for oxidation aeration and stirring of supersaturated slurry in ammonia desulfurization	201720920623.X	2017/7/27	Utility model	2018/3/16
255	Horizontal waste sulfuric acid cracking furnace	201720927823.8	2017/7/28	Utility model	2018/3/16
256	Method for producing propylene oxide and cyclohexanol	201710678790.2	2017/8/10	Invention	2019/5/7
257	Control device of electric valve	201721034271.4	2017/8/17	Utility model	2018/3/16
258	Door-type cable laying pulley	201721107282.0	2017/8/31	Utility model	2018/4/20
259	Auxiliary device for panel installation	201721140959.0	2017/9/7	Utility model	2018/4/20
260	Method for desulfurizing ammonia-magnesium combined flue gas and by-producing struvite	201710946174.0	2017/10/12	Invention	2020/5/19
261	Pull-through glass tube heat exchanger	201721374809.6	2017/10/24	Utility model	2018/3/16
262	Device for cooling transformer cabinet	201721605605.9	2017/11/27	Utility model	2018/10/9
263	System for comprehensive treatment of waste sulfuric acid and hydrogen sulfide waste gas	201721629221.0	2017/11/29	Utility model	2018/7/27
264	Silicon powder drying and nitrogen recovery unit	201721753467.9	2017/12/15	Utility model	2018/7/27
265	Tail gas absorption system for double-stage liquid phase feeding plate-type tower	201820044907.1	2018/1/11	Utility model	2018/10/9
266	System for absorbing ammonia gas in ammonia-nitrogen mixed gas	201820044470.1	2018/1/11	Utility model	2018/11/2
267	Tail gas absorption system for double-stage liquid phase feeding plate-type packed tower	201820044884.4	2018/1/11	Utility model	2018/10/9
268	Flue gas desulfurization system	201820160738.8	2018/1/30	Utility model	2018/12/28
269	Tracked all-position mobile welding device	201820194089.3	2018/2/5	Utility model	2018/11/2
270	System for recovering cold capacity of low-temperature methanol washing tail gas	201820289104.2	2018/3/1	Utility model	2018/11/2
271	Feeding system for coal mill	201820412621.4	2018/3/26	Utility model	2018/12/28
272	System for improving sulfur utilization in a sulfuric acid unit and reducing alkali consumption of sewage treatment	201820456364.4	2018/4/3	Utility model	2019/1/18
273	Mould for quickly prefabricating instrument posts	201820734583.4	2018/5/17	Utility model	2018/12/28
274	High-efficiency sewage deodorizing device	201820743561.4	2018/5/18	Utility model	2019/5/18
275	Unit for preparing sulfuric acid through pre-conversion of high-concentration SO2 gas	201820775139.7	2018/5/23	Utility model	2019/1/18
276	Unit for preparing sulfuric acid from gas containing SO2	201820775140.X	2018/5/23	Utility model	2019/1/18
277	Detachable and adjustable door-shaped support frame	201820779748.X	2018/5/24	Utility model	2019/3/5
278	Three-way device for blocking pressure openings of pipelines with longitudinal welds	201820801565.3	2018/5/28	Utility model	2019/3/5
279	Three-way device for blocking pressure openings of pipelines with circumferential welding seam	201820803115.8	2018/5/28	Utility model	2019/3/5
280	Jack base on external edge of a beam	201820868194.0	2018/6/6	Utility model	2019/1/18
281	Compensator for reducing damage of terminal outgoing terminals of transformer from short-network vibration and stress of the electric furnace	201820979660.2	2018/6/25	Utility model	2018/12/28
282	Calibrator of flange pressure gauge	201821117620.3	2018/7/16	Utility model	2019/3/5
283	Intelligent low-voltage grounding resistance cabinet	201821138536.X	2018/7/18	Utility model	2019/1/18
284	Fire pump control cabinet started by reducing pressure	201821139163.8	2018/7/18	Utility model	2019/5/3
285	Unit for welding test of in-service pipelines with adjustable flow rate	201821198495.3	2018/7/27	Utility model	2019/5/3
286	Zero-discharge treatment unit for desulfurization wastewater with synergistic mercury removal	201821221498.4	2018/7/31	Utility model	2019/6/25
287	Sequencing batch type unit for desulfurization by in-tower saturated crystallization ammonia process	201821339141.6	2018/8/17	Utility model	2019/6/25
288	Double-voltage ORC power generation system	201821464040.1	2018/9/7	Utility model	2019/5/3
289	Polycrystalline silicon waste gas washing liquid treatment unit	201821581526.3	2018/9/27	Utility model	2019/7/16
290	35KV inner-cone plug-in cable end withstand voltage test unit	201821613797.2	2018/9/30	Utility model	2019/7/2
291	Oil-gas pipeline hot-work connector butter wall cooling system	201821665322.8	2018/10/15	Utility model	2019/7/2
292	Shift gas cooling system with optimized heat exchange	201821671425.5	2018/10/16	Utility model	2019/8/13
293	Unit for synchronous saccharification and fermentation of cellulosic ethanol	201821724767.9	2018/10/24	Utility model	2019/7/16
294	Coal-to-hydrogen system based on chemical chain technology	201821828613.4	2018/11/7	Utility model	2019/7/16
295	Self-adjustable tail gas absorption system	201821827687.6	2018/11/7	Utility model	2019/7/16
296	Flue gas rectifying unit used for SCR denitration reactor	201821843462.X	2018/11/09	Utility model	2019/7/16
297	System capable of increasing liquid residence time of middle-drawing tray	201821845406.X	2018/11/09	Utility model	2019/8/13
298	Detachable and adjustable track testing tooling	201821860301.1	2018/11/13	Utility model	2019/6/25
299	Conversion device for energy coupling	201821929184.X	2018/11/22	Utility model	2019/8/13
300	Combined stripper unit	201822036922.4	2018/12/5	Utility model	2019/8/13
301	Water-quenched furnace slag system	201822037352.0	2018/12/5	Utility model	2019/11/19
302	Slag water quenching system	201822038213.X	2018/12/5	Utility model	2019/11/19
303	System for recovery and comprehensive utilization of waste heat	201822169107.5	2018/12/24	Utility model	2019/10/11
304	New high-current wiring nose and its installation structure	201920431500.9	2019/4/1	Utility model	2019/10/11
305	Tooling based on partial pressure regulating collector	201920446614.0	2019/4/3	Utility model	2020/2/14
306	Differential protection structure of electric furnace transformer for mine	201920448755.6	2019/4/4	Utility model	2020/1/7
307	Hemi-dihydrate process phosphoric acid production unit	201920479879.0	2019/4/10	Utility model	2020/1/7
308	Tank for integrating reaction, crystal growth, transformation and crystal growth of hemi-dihydrate phosphoric acid	201920478872.7	2019/4/10	Utility model	2020/2/14
309	Circuit for controlling coil of motor contactor at a long distance	201920477890.3	2019/4/10	Utility model	2020/2/21
310	Electrostatic grounding device for non-metal pipeline	201920530621.9	2019/4/18	Utility model	2020/2/14
311	Device for improving heating uniformity of skin-effect electric heating system	201920530637.X	2019/4/18	Utility model	2020/1/7
312	Multi-ground control circuit for electric device	201920582498.5	2019/4/25	Utility model	2020/3/27
313	Detachable sewage tank capping device	201920710011.7	2019/5/17	Utility model	2020/2/14
314	Tooling for cooling between semiconductor refrigeration channels of stainless steel pipeline weld passes	201920813273.6	2019/5/31	Utility model	2020/4/17
315	Portable cable core continuity tester	201920915737.4	2019/6/18	Utility model	2020/4/21
316	Protective cabin door device for pipe-jacking and crossing construction in a quicksand section	201920915736.X	2019/6/18	Utility model	2020/4/21
317	High-concentration chlorine-containing organic waste gas treatment system	201920967898.8	2019/6/25	Utility model	2020/3/31
318	Methanol synthesis system	201921005496.6	2019/6/28	Utility model	2020/5/19
319	System for temperature control transformation and co-production of electric energy in the coal chemical industry	201921005498.5	2019/6/28	Utility model	2020/4/28
320	Upper thermal insulation structure of vertical storage tank	201921137522.0	2019/7/18	Utility model	2020/4/21
321	System for preheating of gasification of coal water slurry	201921163155.1	2019/7/23	Utility model	2020/5/19
322	Instrument measuring pipeline bending device	201921155937.0	2019/7/23	Utility model	2020/4/21
323	Support and base structure for reactor of sulfuric acid production	201921262409.5	2019/8/6	Utility model	2020/5/19
324	Modified storage tank exhaust gas collection and delivery system	201921450265.6	2019/9/2	Utility model	2020/5/19
325	Device for measuring tail gas flow of liquid sulfur pool	201921687677.1	2019/10/10	Utility model	2020/4/21