Proprietary Technology
No.Patent TitlePatent No.Application Date
(Year/Month/Day)
TypeDate of Authorized Announcement
(Year/Month/Day)
1Method for removing sulfate radical from underground brineZL02138308.12002/9/20Invention2005/3/23
2Method for producing wet process phosphoric acid from low-grade phosphate rockZL200510022547.22005/12/23Invention2007/5/23
3Method for two-stage concentration of wet process phosphoric acidZL200610039937.52006/4/27Invention2009/4/22
4Two-effect evaporation process of wet process phosphoric acidZL200810236248.22008/11/27Invention2011/4/13
5Method for producing high-purity concentrated hydrochloric acid from hydrogen chloride gas containing chlorosilaneZL200910183870.62009/8/3Invention2011/1/26
6Method and unit for preparing raw material needed for preparation of acetic anhydride by carbonylationZL200910035876.92009/9/28Invention2012/11/28
7Method for treating iodomethane-containing combustible gas emitted to the flare system from oxo-synthesis unitZL200910232255.x2009/12/10Invention2012/7/4
8Tube heating furnace for oxygen-deficient combustion of high temperature airZL201020578850.72010/10/27Utility model2011/7/27
9Flexibly-adjusted energy-saving 4-in-1 reforming furnaceZL201020578970.72010/10/27Utility model2011/6/1
10Horizontal half cross-flow packed desulfurizing scrubberZL201020672451.72010/12/21Utility model2011/8/3
11Boiling calciner ZL201120204722.02011/6/17Utility model2012/3/14
12Column for washing and purifying sulfur-containing tail gas by the ammonia processZL201120322549.42011/8/31Utility model2012/5/23
13Yellow phosphorus tail gas waste heat recovery system with a stand-alone combustion chamber ZL201120414865.42011/10/27Utility model2012/7/4
14New efficient chemical incineratorZL201120414860.12011/10/27Utility model2012/6/20
15High-efficiency gas-liquid self-mixing reactorZL201110405030.72011/12/8Invention2014/9/24
16Slag waste heat recovery and slag dust classification system in acid production by pyritesZL201220339112.62012/7/12Utility model2013/1/16
17New yellow phosphorus storage and metering deviceZL201220553152.02012/10/26Utility model2013/8/28
18Unit for washing and purifying sulfur-containing tail gas by the ammonia processZL 201220556039.82012/10/26Utility model2013/4/10
19Method for deeply purifying yellow phosphorus tail gas by oxidation and alkali washingZL201210417461.x2012/10/26Invention2015/10/28
20System for deeply purifying yellow phosphorus tail gas by oxidation and alkali washingZL201220553135.72012/10/26Utility model2013/8/28
21Automatic packaging system for solid with poor fluidityZL201220547672.02012/10/24Utility model2013/3/27
22Flame cutting device for thinning thick plate grooveZL201220541971.32012/10/22Utility model2013/4/10
23Production unit for continuous phosphorus filtration by the press filtering methodZL201320004540.82013/1/6Utility model2013/6/26
24Silicon powder drying systemZL201320004330.92013/1/6Utility model2013/6/26
25Mixer ZL201320234970.92013/5/3Utility model2013/9/25
26Method for phosphoric acid defluorination through tower-type air stripping201310205676.x2013/5/27Invention2016/6/22
27Method and unit for treating sulfuric acid tail gas sulfur dioxide201310235223.12013/6/14Invention2015/2/11
28Unit for treating sulfuric acid tail gas sulfur dioxide20132033993722013/6/14Utility model2013/12/4
29Combined unit for lightening residual oil/medium and low temperature coal tar201320369968.22013/6/25Utility model2013/12/25
30Combined process method for lightening residual oil/medium and low temperature coal tar201310260514.62013/6/25Invention2015/10/21
31Unit for producing high-quality coke from residual oil/medium and low temperature coal tar201320368062.92013/6/25Utility model2013/12/25
32Process method for producing high-quality coke from residual oil/medium and low temperature coal tar201310256266.82013/6/25Invention2015/4/15
33Unit for producing high-grade lubricant base oil through hydrogenation of hydrocracking tail oil201320373631.92013/6/25Utility model2013/12/25
34Method for producing high-grade lubricant base oil through hydrogenation of hydrocracking tail oil201310257219.52013/6/25Invention2015/10/21
35Combined unit for producing high-grade lubricant base oil through hydrogenation of hydrocracking tail oil201320370624.32013/6/25Utility model2013/12/25
36Combined method for producing high-grade lubricant base oil through hydrogenation of hydrocracking tail oil201310260515.02013/6/25Invention2015/10/28
37Unit for  producing gasoline and diesel through direct hydrogenation of medium and low temperature coal tar201320368087.92013/6/25Utility model2013/12/25
38Method for  producing gasoline and diesel through direct hydrogenation of medium and low temperature coal tar201310256855.62013/6/25Invention2015/7/22
39Combined unit for heavy oil hydrotreating-catalytic cracking-PSA purification201320374004.72013/6/25Utility model2013/12/25
40Combined process method for heavy oil hydrotreating-catalytic cracking-PSA purification201310256196.62013/6/25Invention2015/4/15
41Method for efficient recovery of sulfur from hydrogen sulfide-containing waste gas201310284844.92013/7/8Invention2016/6/15
42Unit for efficient recovery of sulfur from hydrogen sulfide-containing waste gas201320405152.02013/7/8Utility model2013/12/25
43Unit for treating sulfur recovery tail gas 201320427687.82013/7/18Utility model2014/2/26
44Reusable spreader system for integral lifting of slender and thin-walled equipment201320453694.52013/7/26Utility model2014/1/8
45Reusable mounted box-shaped tailing spreader system201310331096.52013/8/1Invention2015/1/14
46Cyclone separation system201320466573.42013/8/1Utility model2014/1/8
47System for oxidization of mother liquor for treatment of industrial tail gas of sulfuric acid201320497580.02013/8/14Utility model2014/2/26
48System for efficient recycling of cyclohexanone waste lye201320538944.52013/8/31Utility model2014/3/12
49Method for overturning hoisting of large-diameter overweight gland201310431526.02013/9/22Invention2015/2/11
50Spreader system for overturning hoisting of large-diameter overweight gland201320583810.52013/9/22Utility model2014/3/12
51Modified device for instrument blowing method201320595438.x2013/9/25Utility model2014/3/12
52Reactor201320605651.42013/9/27Utility model2014/4/16
53High-efficiency tubular reactor for producing sulfur-based compound fertilizer201320602973.32013/9/27Utility model2014/4/16
54New yellow phosphorus electric furnace electrode sealing structure201320604633.42013/9/27Utility model2014/4/16
55Ammonium nitrate crystal combination valve201320628511.92013/10/11Utility model2014/4/16
56Ammonium nitrate crystal automatic program control valve system201320628062.82013/10/11Utility model2014/4/16
57System for producing acid from sulfur-containing waste liquid by the dry method201320678841.92013/10/31Utility model2014/4/23
58Combined sewage stripping unit201320712760.62013/11/12Utility model2014/8/27
59System for comprehensive treatment of sulfur storage tail gas and liquid sulfur degassing201320701870.22013/11/8Utility model2014/4/23
60Multi-tower control method for pressure swing adsorption unit201310549984.42013/11/8Invention2015/10/21
61Device for installing tank bottom plate in low-temperature storage tank201320829580.62013/12/13Utility model2014/6/11
62System for automatic addition, neutralization and discharge of acid and alkali wastewater in a desalination station201420011253.42014/1/9Utility model2014/12/10
63Groove structure of spherical shell plate of spherical tank201420007703.22014/1/7Utility model2015/2/18
64Minimum backflow device for high-pressure differential pump201420044449.32014/1/24Utility model2014/7/9
65Differential pressure safety interlock for gasifier of coal water slurry pressurized gasification unit201420044349.02014/1/24Utility model2014/8/6
66Unit for separating gas ammonia and liquid ammonia in dilute nitric acid oxidation furnace201420054131.32014/1/28Utility model2014/8/6
67Reusable hydraulic tailing spreader system201420069750.x2014/2/18Utility model2014/8/20
68Multi-cylinder combined cyclone dust collector201420105246.02014/3/10Utility model2014/8/6
69Sulfur pool tail gas treatment device of sulfur recovery unit201410124557.62014/3/28Invention2016/9/28
70Sulfur pool tail gas treatment device of sulfur recovery unit201420149377.92014/3/28Utility model2014/8/20
71Anti-sticking device for automatic packaging machine201420166374.62014/4/8Utility model2014/12/10
72Bilateral plow type unloader of belt conveyor with adjustable discharge flow201420166182.52014/4/8Utility model2014/8/20
73Spreader system for integral lifting of thin-wall equipment201420166327.12014/4/8Utility model2014/8/20
74Desulfurization absorption tower201420189509.02014/4/18Utility model2014/8/20
75New sulfur recovery unit201420192858.82014/4/18Utility model2014/8/20
76Ammonia absorption tail gas treatment method of sulfur recovery unit201410159100.92014/4/18Invention2016/1/20
77Ammonia absorption tail gas treatment device of sulfur recovery unit201420193272.32014/4/18Utility model2014/8/20
78Method for treating low-concentration ammonia-containing tail gas201410159136.72014/4/18Invention2015/12/9
79System for treating low-concentration ammonia-containing tail gas201420193094.42014/4/18Utility model2014/8/20
80System for treating ammonia-containing tail gas201420192361.62014/4/18Utility model2014/8/20
81Single and double flange transmitter debugging device201420196970.92014/4/23Utility model2014/8/27
82System for producing gasoline and diesel, petroleum coke and high-grade lubricant base oil201420221682.42014/4/27Utility model2015/1/14
83Method and system for producing gasoline and diesel, petroleum coke and high-grade lubricant base oil201410180507.X2014/4/27Invention2017/1/25
84System for poly-generation of paraffin-based inferior crude oil201420219301.92014/4/27Utility model2014/9/24
85Method and system for poly-generation of paraffin-based inferior crude oil201410178625.72014/4/27Invention2017/3/8
86System for producing aromatics, petroleum coke and high-octane gasoline from inferior crude oil201420209306.32014/4/27Utility model2014/9/24
87Method and system for producing aromatics, petroleum coke and high-octane gasoline from inferior crude oil201410174473.32014/4/27Invention2017/9/22
88System for producing aromatics, asphalt and high-octane gasoline from inferior crude oil201420209245.02014/4/27Utility model2014/9/24
89Method and system for producing aromatics, asphalt and high-octane gasoline from inferior crude oil201410174472.92014/4/27Invention2017/1/25
90System for producing gasoline, diesel, asphalt and high-grade lubricant base oil201420211648.92014/4/27Utility model2015/3/4
91Method and system for producing gasoline, diesel, asphalt and high-grade lubricant base oil201410173156.X2014/4/27Invention2017/3/8
92System for producing of gasoline, diesel and asphalt by lightening inferior crude oil201420209760.92014/4/27Utility model2015/1/14
93Sulfur recovery and tail gas treatment unit201420246925.x2014/5/14Utility model2014/9/24
94System for accurate measurement of liquid level in the stock chamber of a gasifier201420267766.12014/5/25Utility model2014/11/5
95Reusable multi-level balance beam combination system201420267767.62014/5/25Utility model2014/9/24
96Unit for removing free ammonia in mixed slurry of ammonium sulfate and calcium carbonate201420284337.52014/5/29Utility model2014/11/5
97Unit and method for removing free ammonia in mixed slurry of ammonium sulfate and calcium carbonate201410236043.X2014/5/29Invention2016/4/13
98Pipe rack for spring support201420321672.82014/6/17Utility model2014/12/10
99Linear glass tube heat exchanger201420322181.52014/6/17Utility model2014/11/5
100Debugging device of welding equipment201420341802.42014/6/25Utility model2014/11/5
101Split mounting type heat treatment heating furnace201420381325.42014/7/10Utility model2014/12/10
102Split mounting type heat treatment heating furnace and its building method201410326982.32014/7/10Invention2017/5/10
103Ground surface temperature measurement system inside a briquette bunker based on DTS optical fiber temperature sensor201420426560.92014/7/30Utility model2014/12/10
104Ground surface temperature measurement system inside a briquette bunker based on DTS optical fiber temperature sensor201410369204.22014/7/30Invention2017/1/11
105Hydrogenation reactor201420442478.52014/8/6Utility model2015/1/14
106Method and unit for classified treatment of compound fertilizer tail gas201410413517.32014/8/20Invention2016/2/3
107Unit for classified treatment of compound fertilizer tail gas201420472590.32014/8/20Utility model2014/12/10
108Electric pipe threader201420482679.82014/8/25Utility model2015/1/14
109New method for preparing sulfur by alkylating waste acid201410476365.12014/9/18Invention2016/1/27
110New unit for preparing sulfur by alkylating waste acid201420537704.82014/9/18Utility model2015/2/11
111New sulfur recovery unit capable of treating alkylated waste acid201420537556.x2014/9/18Utility model2015/2/11
112New unit for producing sulfur by alkylating waste acid with energy recovery201420537955.62014/9/18Utility model2015/2/11
113New unit for producing sulfur by alkylating waste sulfuric acid201420538656.42014/9/18Utility model2015/2/11
114Flow regulating mechanism for self-gravity liquid sealing tube 201420544012.62014/9/19Utility model2015/5/20
115Movable argon filling tooling structure for pipeline welding cycle201420576193.02014/9/30Utility model2015/3/4
116Method for controlling acid gas flare of acid gas-liquid separation tank201410532173.82014/10/10Invention2019/2/1
117Shell-type waste heat boiler with built-in bypass regulating valve201420599104.42014/10/17Utility model2015/3/4
118Pin type tailing spreader system201420718134.22014/11/26Utility model2015/4/15
119Telescopic tailing spreader system201420718572.92014/11/26Utility model2015/4/16
120Tailing spreader system201420718135.72014/11/26Utility model2015/4/17
121Wire rope connection type tailing spreader201420718651.x2014/11/26Utility model2015/4/18
122Reducing exhaust heat recovery system201420722101.52014/11/26Utility model2015/5/20
123Device for enhancing mixing effect of saponification liquid in a cyclohexanone production unit201420746616.92014/12/3Utility model2015/5/20
124Jacking device for steel structure module201520263457.12015/4/28Utility model2015/10/7
125Method and device for lifting steel structure module201510207212.12015/4/28Invention2017/7/14
126External plate type lifting lug hoisting system for protecting steel wire rope201520263831.82015/4/28Utility model2015/10/7
127Pipeline cleaning device201520281141.52015/5/5Utility model2015/10/7
128Unit for using heat energy from catalytic hydrogenation of cyclohexanone production in dehydrogenation process201510229436.22015/5/7Invention2016/6/15
129Unit for producing cyclohexane by hydrogenation of gas phase benzene201520292550.52015/5/7Utility model2015/9/16
130Unit for desulfurization and ash removal201520292967.12015/5/7Utility model2015/9/16
131New filterable sulfur melting furnace 201520413197.12015/6/15Utility model2015/11/11
132Tail gas treatment device for sulfur recovery unit201520412748.22015/6/15Utility model2015/11/11
133Tooling for modular prefabrication of steel structure201520409569.32015/6/15Utility model2015/10/28
134Tooling for modular prefabrication of steel structure201510327091.42015/6/15Invention2017/6/27
135System of limiting the tooling for modular prefabrication of steel structure201520409362.62015/6/15Utility model2015/11/4
136Micro friction system for tooling for modular prefabrication of steel structure201520409701.02015/6/15Utility model2015/11/4
137Method and device for treating tail gas of a sulfur recovery unit201510330940.12015/6/15Invention2017/9/29
138Small-section cable laying device201520413875.42015/6/16Utility model2015/10/7
139Degreasing device for aluminum-magnesium alloy pipelines201520560873.82015/7/30Utility model2015/12/16
140Unit for desulfurizing flue gas by the ammonia-ammonium sulfate method201520572150.X2015/8/3Utility model2015/12/23
141Unit for desulfurizing flue gas by the ammonia-ammonium sulfate method201510466458.02015/8/3Invention2017/3/8
142Electric heater outlet temperature control circuit201520645747.22015/8/25Utility model2016/1/27
143Oilfield sewage waste heat recovery system201520644072.X2015/8/25Utility model2016/1/27
144Tooling for balancing automatic pipeline welding machine 201520655989.X2015/8/28Utility model2016/2/3
145Unit for treating ammonia gas by using plate heat exchanger201520674882.X2015/9/1Utility model2016/1/27
146Unit for removing fluorine in wet-process phosphoric acid by the blowing method201520673983.52015/9/1Utility model2016/1/27
147Unit for producing mixed fertilizer by using waste liquid generated from flue gas desulfurization and denitrification201520679856.62015/9/1Utility model2016/1/27
148New drying and absorbing unit201520688103.12015/9/7Utility model2016/1/27
149Oxidation liquid heat recovery unit201520729925.X2015/9/18Utility model2016/1/27
150Street lamp control circuit201520717926.22015/9/16Utility model2016/1/27
151Energy recovery unit of natural gas desulfurization and decarbonization hydraulic turbine201520718421.82015/9/16Utility model2016/1/20
152Track for all-position automatic welding device of spherical tank201520707437.92015/9/14Utility model2016/1/27
153Street lamp control circuit and control method201510591669.72015/9/16Invention2018/5/22
154Oxidizing liquid heat recovery unit and recovery method201510600815.82015/9/18Invention2018/3/16
155Grab bridge crane warehouse201510642422.32015/9/30Invention2016/9/28
156High hardness brittle material tower201520766053.42015/9/30Utility model2016/2/3
157Unit for lightening vacuum residue coal tar and producing heavy-duty asphalt201520782852.02015/10/10Utility model2016/3/2
158Method and unit for lightening vacuum residue coal tar and producing heavy-duty asphalt201510654386.22015/10/10Invention2016/9/28
159Unit for staged absorption and desulfurization by the ammonia-ammonium sulfate method201520782344.22015/10/10Utility model2016/3/9
160Unit for staged absorption and desulfurization by the ammonia-ammonium sulfate method201510652408.12015/10/10Invention2017/11/14
161New gas purification unit201520796661.X2015/10/14Utility model2016/3/9
162Groove welding structure for circular seams of spherical tank201520806484.92015/10/19Utility model2016/8/4
163Method for oximation of cyclohexanone201510698820.72015/10/23Invention2017/8/25
164Method for by-producing cyclohexanone oxime through flue gas desulfurization by the ammonia process201510698837.22015/10/23Invention2018/2/6
165Unit for crystallization and separation of p-xylene201520858071.52015/10/29Utility model2016/4/13
166Unit for crystallization and separation of p-xylene201510726588.32015/10/29Invention2017/5/10
167Crystal scrubber201520857570.22015/10/29Utility model2016/4/13
168Freezing crystallization device201520857381.52015/10/29Utility model2016/4/13
169Freezing crystallization device201510725475.12015/10/29Invention2017/6/27
170Tower-type crystallizer201520857568.52015/10/29Utility model2016/4/13
171Method for producing cyclohexanone oxime201510719582.32015/10/29Invention2017/9/29
172Large-diameter cable reel support device201520913653.92015/11/17Utility model2016/4/6
173Slag ash waste heat utilization device and pyrite-to-acid unit comprising the device201520996611.62015/12/4Utility model2016/5/18
174Slag ash waste heat utilization device and pyrite-to-acid unit comprising the device201510883763.x2015/12/4Invention2017/11/14
175Argon gas cooling and protective cover for titanium tube welding201521011326.02015/12/8Utility model2016/5/25
176Tooling for cooling between automatic welding passes of stainless steel pipes201521010046.82015/12/8Utility model2016/5/25
177Tooling for internal surface cooling between automatic welding passes of stainless steel pipes201620020181.92016/1/11Utility model2016/8/31
178Combined heat exchanger201620081285.02016/1/28Utility model2016/8/17
179Heat and mass transfer and separator201620081292.02016/1/28Utility model2016/8/17
180Method for inputting oxygen during startup of gasifier 20161011872262016/3/3Invention2019/5/3
181System for treating vacuum condensate in a coal water slurry gasification unit201620159994.62016/3/3Utility model2016/8/10
182Process gas purification unit with zero carbon emission 201620208421.82016/3/17Utility model2016/9/28
183Process gas purification unit  201620206739.22016/3/17Utility model2016/9/28
184Process gas purification method and unit with zero carbon emission201610153986.52016/3/17Invention2018/6/29
185Method for purify and separating coal-based gas gasified underground201610201227.12016/3/31Invention2018/7/24
186System for purify and separating coal-based gas gasified underground201620268332.22016/3/31Utility model2016/9/28
187Syngas methanation poly-generation unit201620311397.02016/4/14Utility model2016/11/23
188Syngas methanation poly-generation unit and method201610230934.32016/4/14Invention2018/8/21
189Coal-to-hydrogen CO conversion poly-generation unit201620312482.92016/4/14Utility model2017/6/20
190Coal-to-hydrogen CO conversion poly-generation method and unit201610231578.72016/4/14Invention2018/2/6
191Motor steering and CT polarity debugging device201620531765.22016/6/1Utility model2016/12/7
192Simple device for moving props of spherical tank 201620614511.72016/6/20Utility model2017/1/4
193Simple device for moving props of spherical tank and method for moving props of spherical tank 201610444144.52016/6/20Invention2018/2/6
194Chilled water pump heat backup system201620660650.32016/6/28Utility model2017/2/8
195Insulation support protection and auxiliary pipe threader201620728044.02016/7/11Utility model2017/3/8
196Calibrator of float level meter201620831665.12016/8/2Utility model2017/3/8
197Gas-liquid two-phase jet reactor and gas-liquid two-phase jet reaction system201620842064.02016/8/4Utility model2017/3/8
198Molecular sieve ultrafine grinding and packaging system201620856108.52016/8/10Utility model2017/2/8
199Container loading facility in automated three-dimensional warehouse201620864495.72016/8/10Utility model2017/2/8
200Cyclohexane oxidation unit201620856109.X2016/8/10Utility model2017/2/8
201New chilled water filter201620856119.32016/8/10Utility model2017/3/8
202Online-monitored anti-corrosion oil storage tank201620928109.62016/8/24Utility model2017/1/25
203Low-voltage current sampling method with reactive power compensation 201610786131.62016/8/30Invention2019/1/15
204Composite furnace lining structure for acid gas combustion furnace201621042305.X2016/9/8Utility model2017/5/10
205Black water discharge system for gasifier startup201621045378.42016/9/8Utility model2017/5/10
206Ring tube multi-nozzle gas scrubber201621059132.22016/9/18Utility model2017/8/11
207Double-open hinge door with inflatable sealing structure201621066122.12016/9/21Utility model2017/5/10
208Central tube multi-nozzle gas scrubber201610880782.12016/10/10Invention2019/5/7
209DC oil pump power element configuration201621117199.72016/10/12Utility model2017/5/10
210Control system for flue gas cooling201621117200.62016/10/12Utility model2017/5/10
211Detachable flare tower reinforcement tooling201621168794.32016/10/26Utility model2017/5/10
212Propylene oxide production method201610932164.72016/10/31Invention2019/5/3
213Method for co-production of propylene oxide and cyclohexanone201610932171.72016/10/31Invention2019/5/3
214Grounding flat steel cold bending device201621204255.02016/11/8Utility model2017/6/27
215Elliptic scribbling compass with a fixed rope length 201621203840.92016/11/8Utility model2017/9/26
216Anti-blocking device for desulfurization by the ammonia process201621225704.X2016/11/15Utility model2017/6/27
217Dust removal unit for catalytic cracking of flue gas201621225416.42016/11/15Utility model2017/6/27
218System for stabilized heat treatment of welding seams of Austenitic stainless steel high-pressure pipelines201621284341.72016/11/28Utility model2017/6/27
219Detachable and adjustable lifting balance beam201621291182.32016/11/29Utility model2017/6/27
220Sulfuric acid tail gas high standard emission system201621294571.12016/11/29Utility model2017/6/27
221Device for simulating explosion of barreled liquid dangerous chemicals201621300293.62016/11/30Utility model2017/8/11
222Device for simulating swelling of barrel cover of liquid hazardous chemical barrel201621299075.52016/11/30Utility model2017/8/11
223Device for simulating rolling-off of liquid hazardous chemical barrel201621299073.62016/11/30Utility model2017/8/11
224Dangerous chemical storage accident simulation training system201621299071.72016/11/30Utility model2017/8/11
225New absorbing and demisting device201621360591.42016/12/13Utility model2017/8/11
226Unit for utilizing waste heat of cracking of phosphorus-containing waste sulfuric acid201621405849.82016/12/21Utility model2017/8/11
227Unit and method for producing carbon microspheres by lightening residue coal tar201611245189.62016/12/29Invention2018/5/4
228Unit for uniformly distributing the mixed gas of SCR system smoke and ammonia 201720123484.82017/2/10Utility model2017/11/10
229Flushing water device for liquid level meter of gasifier 201720150384.42017/2/20Utility model2017/11/10
230Unit for mixing ammonia and nitric acid flue gas 201720171069.X2017/2/24Utility model2017/9/26
231Oil recovery system for pipeline relocation works201710109098.82017/2/27Invention2019/7/16
232Energy-saving system for waste acid cracking201720294398.32017/3/24Utility model2017/11/10
233Combined heat exchange device in an ORC power generation system201720342445.72017/4/1Utility model2017/12/19
234Tooling for pipeline strength test based on compound feed pressure method201720345687.12017/4/5Utility model2017/11/10
235System for water injection, pressure test and drainage of oil and gas pipeline201720357896.82017/4/7Utility model2017/11/10
236Desulfurization and absorption unit201720358871.X2017/4/7Utility model2017/11/10
237System for producing biogas from organic waste through anaerobic dry fermentation201720368398.32017/4/10Utility model2018/2/6
238Long-distance pipeline weld crater preheater201720405274.82017/4/18Utility model2017/12/19
239Efficient wet-type washing and dust removal unit201720409925.02017/4/19Utility model2018/2/6
240System for isothermal synthesis of natural gas at a non-stoichiometric ratio201720534628.92017/5/15Utility model2017/12/19
241Convenient device for debugging unit displacement probe201720537066.32017/5/16Utility model2018/3/30
242Quick-switching water sealing device used on drainage pipeline containing combustible liquid201720537062.52017/5/16Utility model2018/3/30
243Pairing tool for large-diameter pipeline201720704484.72017/6/16Utility model2018/6/1
244Furnace gas temperature control system of waste acid cracking furnace201720729453.72017/6/21Utility model2018/2/6
245Waste acid cracking waste heat recovery system201720728815.02017/6/21Utility model2018/2/6
246Anaerobic dry fermentation device201720756479.02017/6/27Utility model2018/2/6
247Nozzle correction device201720855424.52017/7/14Utility model2018/2/6
248Auxiliary towing device for directional drilling and crossing of oil and gas pipeline201720855423.02017/7/14Utility model2018/4/20
249Docking tool for large-diameter flange201720861522.X2017/7/17Utility model2018/2/6
250Unit for removing NOx in sulfuric acid flue gas201720895483.52017/7/21Utility model2018/3/16
251Device for prefabricating instrument sunshade 201720912008.42017/7/25Utility model2018/2/6
252Device for measuring density by pressure difference method for equipment which is prone to being blocked by spray liquid201720920122.12017/7/27Utility model2018/2/6
253System for post-treatment of ammonium sulfate in ammonia desulfurization201720920986.32017/7/27Utility model2018/3/16
254Combined unit for oxidation aeration and stirring of supersaturated slurry in ammonia desulfurization201720920623.X2017/7/27Utility model2018/3/16
255Horizontal waste sulfuric acid cracking furnace201720927823.82017/7/28Utility model2018/3/16
256Method for producing propylene oxide and cyclohexanol201710678790.22017/8/10Invention2019/5/7
257Control device of electric valve201721034271.42017/8/17Utility model2018/3/16
258Door-type cable laying pulley201721107282.02017/8/31Utility model2018/4/20
259Auxiliary device for panel installation201721140959.02017/9/7Utility model2018/4/20
260Method for desulfurizing ammonia-magnesium combined flue gas and by-producing struvite201710946174.02017/10/12Invention2020/5/19
261Pull-through glass tube heat exchanger201721374809.62017/10/24Utility model2018/3/16
262Device for cooling transformer cabinet 201721605605.92017/11/27Utility model2018/10/9
263System for comprehensive treatment of waste sulfuric acid and hydrogen sulfide waste gas201721629221.02017/11/29Utility model2018/7/27
264Silicon powder drying and nitrogen recovery unit201721753467.92017/12/15Utility model2018/7/27
265Tail gas absorption system for double-stage liquid phase feeding plate-type tower 201820044907.12018/1/11Utility model2018/10/9
266System for absorbing ammonia gas in ammonia-nitrogen mixed gas201820044470.12018/1/11Utility model2018/11/2
267Tail gas absorption system for double-stage liquid phase feeding plate-type packed tower  201820044884.42018/1/11Utility model2018/10/9
268Flue gas desulfurization system201820160738.82018/1/30Utility model2018/12/28
269Tracked all-position mobile welding device201820194089.32018/2/5Utility model2018/11/2
270System for recovering cold capacity of low-temperature methanol washing tail gas201820289104.22018/3/1Utility model2018/11/2
271Feeding system for coal mill201820412621.42018/3/26Utility model2018/12/28
272System for improving sulfur utilization in a sulfuric acid unit and reducing alkali consumption of sewage treatment201820456364.42018/4/3Utility model2019/1/18
273Mould for quickly prefabricating instrument posts201820734583.4 2018/5/17Utility model2018/12/28
274High-efficiency sewage deodorizing device201820743561.42018/5/18Utility model2019/5/18
275Unit for preparing sulfuric acid through pre-conversion of high-concentration SO2 gas201820775139.72018/5/23Utility model2019/1/18
276Unit for preparing sulfuric acid from gas containing SO2  201820775140.X2018/5/23Utility model2019/1/18
277Detachable and adjustable door-shaped support frame201820779748.X2018/5/24Utility model2019/3/5
278Three-way device for blocking pressure openings of pipelines with longitudinal welds201820801565.32018/5/28Utility model2019/3/5
279Three-way device for blocking pressure openings of pipelines with circumferential welding seam201820803115.82018/5/28Utility model2019/3/5
280Jack base on external edge of a beam 201820868194.02018/6/6Utility model2019/1/18
281Compensator for reducing damage of terminal outgoing terminals of transformer from short-network vibration and stress of the electric furnace 201820979660.22018/6/25Utility model2018/12/28
282Calibrator of flange pressure gauge201821117620.32018/7/16Utility model2019/3/5
283Intelligent low-voltage grounding resistance cabinet201821138536.X2018/7/18Utility model2019/1/18
284Fire pump control cabinet started by reducing pressure201821139163.82018/7/18Utility model2019/5/3
285Unit for welding test of in-service pipelines with adjustable flow rate  201821198495.32018/7/27Utility model2019/5/3
286Zero-discharge treatment unit for desulfurization wastewater with synergistic mercury removal201821221498.42018/7/31Utility model2019/6/25
287Sequencing batch type unit for desulfurization by in-tower saturated crystallization ammonia process201821339141.62018/8/17Utility model2019/6/25
288Double-voltage ORC power generation system201821464040.12018/9/7Utility model2019/5/3
289Polycrystalline silicon waste gas washing liquid treatment unit201821581526.32018/9/27Utility model2019/7/16
29035KV inner-cone plug-in cable end withstand voltage test unit201821613797.22018/9/30Utility model2019/7/2
291Oil-gas pipeline hot-work connector butter wall cooling system201821665322.82018/10/15Utility model2019/7/2
292Shift gas cooling system with optimized heat exchange201821671425.52018/10/16Utility model2019/8/13
293Unit for synchronous saccharification and fermentation of cellulosic ethanol201821724767.92018/10/24Utility model2019/7/16
294Coal-to-hydrogen system based on chemical chain technology201821828613.42018/11/7Utility model2019/7/16
295Self-adjustable tail gas absorption system201821827687.62018/11/7Utility model2019/7/16
296Flue gas rectifying unit used for SCR denitration reactor201821843462.X2018/11/09Utility model2019/7/16
297System capable of increasing liquid residence time of middle-drawing tray201821845406.X2018/11/09Utility model2019/8/13
298Detachable and adjustable track testing tooling201821860301.12018/11/13Utility model2019/6/25
299Conversion device for energy coupling  201821929184.X2018/11/22Utility model2019/8/13
300Combined stripper unit201822036922.42018/12/5Utility model2019/8/13
301Water-quenched furnace slag system201822037352.02018/12/5Utility model2019/11/19
302Slag water quenching system201822038213.X2018/12/5Utility model2019/11/19
303System for recovery and comprehensive utilization of waste heat 201822169107.52018/12/24Utility model2019/10/11
304New high-current wiring nose and its installation structure201920431500.92019/4/1Utility model2019/10/11
305Tooling based on partial pressure regulating collector201920446614.02019/4/3Utility model2020/2/14
306Differential protection structure of electric furnace transformer for mine201920448755.62019/4/4Utility model2020/1/7
307Hemi-dihydrate process phosphoric acid production unit201920479879.02019/4/10Utility model2020/1/7
308Tank for integrating reaction, crystal growth, transformation and crystal growth of hemi-dihydrate phosphoric acid201920478872.72019/4/10Utility model2020/2/14
309Circuit for controlling coil of motor contactor at a long distance201920477890.32019/4/10Utility model2020/2/21
310Electrostatic grounding device for non-metal pipeline201920530621.92019/4/18Utility model2020/2/14
311Device for improving heating uniformity of skin-effect electric heating system201920530637.X2019/4/18Utility model2020/1/7
312Multi-ground control circuit for electric device 201920582498.52019/4/25Utility model2020/3/27
313Detachable sewage tank capping device201920710011.72019/5/17Utility model2020/2/14
314Tooling for cooling between semiconductor refrigeration channels of stainless steel pipeline weld passes201920813273.62019/5/31Utility model2020/4/17
315Portable cable core continuity tester201920915737.42019/6/18Utility model2020/4/21
316Protective cabin door device for pipe-jacking and crossing construction in a quicksand section201920915736.X2019/6/18Utility model2020/4/21
317High-concentration chlorine-containing organic waste gas treatment system201920967898.82019/6/25Utility model2020/3/31
318Methanol synthesis system201921005496.62019/6/28Utility model2020/5/19
319System for temperature control transformation and co-production of electric energy in the coal chemical industry201921005498.52019/6/28Utility model2020/4/28
320Upper thermal insulation structure of vertical storage tank201921137522.02019/7/18Utility model2020/4/21
321System for preheating of gasification of coal water slurry201921163155.12019/7/23Utility model2020/5/19
322Instrument measuring pipeline bending device201921155937.02019/7/23Utility model2020/4/21
323Support and base structure for reactor of sulfuric acid production201921262409.52019/8/6Utility model2020/5/19
324Modified storage tank exhaust gas collection and delivery system201921450265.62019/9/2Utility model2020/5/19
325Device for measuring tail gas flow of liquid sulfur pool201921687677.12019/10/10Utility model2020/4/21

 

信息来源: 
2022-04-20