CN101920155A - Process and device for drying gas in order to achieve zero release - Google Patents
Process and device for drying gas in order to achieve zero release Download PDFInfo
- Publication number
- CN101920155A CN101920155A CN2009103031570A CN200910303157A CN101920155A CN 101920155 A CN101920155 A CN 101920155A CN 2009103031570 A CN2009103031570 A CN 2009103031570A CN 200910303157 A CN200910303157 A CN 200910303157A CN 101920155 A CN101920155 A CN 101920155A
- Authority
- CN
- China
- Prior art keywords
- gas
- tube connector
- regeneration
- drying
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Drying Of Gases (AREA)
Abstract
The invention provides a process and a device for drying gas in order to achieve the zero release and mainly solve the problems of environmental pollution caused by directly releasing the gas in a regeneration tower, or waste caused by the combustion of the gas and high cost in the process for pressure-reduction regeneration in the prior art. The process of the invention comprises three links of absorption, regeneration and switching, wherein the dried finished gas as the regenerated heating gas and blast-cold gas in regeneration can be subjected to adsorbent regeneration at lower heating temperature to obtain the finished gas having low dew-point temperature and further returned to the process of absorption, thus allowing no gas to be released to the atmosphere and achieving the real zero release.
Description
Technical field
The present invention relates to a kind of gas drying process and device, be specifically related to a kind of drying gas in order to achieve zero release technology and device.
Background technology
At present, the absorption type natual gas dehydrate unit adopts Double-Tower Structure usually, and its operation principle is: when a tower dewatered absorption work, another tower carried out adsorbent reactivation.The tower that dewaters and adsorb is to utilize the interior adsorbent of tower that contained humidity in the unstripped gas is adsorbed, thereby makes the unstripped gas drying; Carry out the tower of adsorbent reactivation, generally be that the natural gas straight that will be used as regeneration gas taps into and enters this tower after heater is heated to the required temperature of regeneration, it is adsorbent bed to flow through, and adsorbent is heated, and make adsorbent moisture desorption, thereby reach the purpose of adsorbent reactivation.
The tower that carries out adsorbent reactivation can constantly be discharged regeneration gas when work, contain a large amount of water vapours in the regeneration gas of discharge and have higher temperature, and the moisture that contains in the wet regeneration gas must separate.In closed cycle regeneration flow process or open regeneration flow process, industrial common employing method air-cooled or water-cooled is cooled off regeneration gas, and the moisture that will condense and other coagulating liq separate then.And at present for compressed air drying, the gas of discharging during regeneration generally directly is discharged in the atmosphere, then directly burns as torch gas for imflammable gas.
But there is following shortcoming in these class methods:
For process gas, natural gas, carbon dioxide, carbon monoxide, hydrogen and toxic and harmful, can not directly in atmosphere, discharge, otherwise will work the mischief contaminated environment atmosphere.
When directly burning, caused the waste of a large amount of energy, increased the cost of product as flared gases.
If, then will increase equipment and fund to the emission gases recycling; The process of emission gases will cause the reduction of jar internal pressure, cause the adsorbent efflorescence easily.
Summary of the invention
The invention provides a kind of drying gas in order to achieve zero release technology and device, the direct exhaust emission environment of gas in the regenerator or burning are caused waste, problem that cost is high to solve in the prior art decompression regenerative process.
Technical solution of the present invention is:
This drying gas in order to achieve zero release technology may further comprise the steps:
(1) absorption
(1.1) contained free fluid in the unstrpped gas is carried out isolated by filtration;
(1.2) will after handling, step (1.1) the gained gas pressurized introduce adsorption dry in the tower that adsorbs work;
(1.3) will after handling, step (1.2) filter the solid dust particle in the divided gas flow by gained gas;
(1.4) will a gained gas part introduce the gas system that uses after step (1.3) is handled, another part is introduced step (2) regeneration;
(2) regeneration
(2.1) gas of introducing through step (1.4) is heated, make temperature rise to the temperature of adsorbent reactivation requirement, form high temperature drying gas;
(2.2) high temperature drying gas is introduced in the adsorbent of regenerating, high temperature drying gas heats adsorbent, and moisture adsorbed in the adsorbent is resolved, and finishes the dehydration regeneration to adsorbent, forms high temperature regeneration simultaneously and contains moisture;
(2.3) high temperature regeneration after handling through step (2.2) is contained moisture and cool off, make its moisture vapor condensation;
(2.4) gains after handling through step (2.3) are carried out gas-liquid separation, enter (1) absorption link after the gas pressurized that obtains and carry out drying; The free fluid that obtains is discharged;
(3) switch
Step (1) absorption and step (2) regeneration require to switch according to absorption, circulation absorption.
The above step (3) is switched, and described switching can be switched by valve; It can be that pneumatic actuator control is switched or switched manually that valve switches.
The above step (2.2) can be one-level heating or secondary heating to the heating of dry gas.
The above adsorbent can be silica gel, aluminium glue or molecular sieve etc.
Drying gas in order to achieve zero release device of the present invention, comprise the drier 101 that constitutes by drying chamber 1,2, the upper and lower port of drier 101 reaches down with last piping 102 respectively, and piping 103 is communicated with, last piping 102 is made of the valve 3,4 of parallel connection and valve 5,6 parallel connections in parallel, and the tube connector 17 of valve 3,4 is communicated with fore filter 16 on being arranged at air inlet pipe 21; Described piping 103 down is made of the valve 7,8 and valve 9,10 parallel connections in parallel of parallel connection, the tube connector 27 of described valve 7,8 is communicated with by tube connector 18 with post-filter 15 on being arranged at blast pipe 22, it is characterized in that: the tube connector 23 of described valve 5,6 is communicated with cooler 13 on being arranged at tube connector 28, also is provided with the gas-liquid separator 14 that is connected with tube connector 24 on the described tube connector 28; Be provided with pressue device 12 and tube connector 25 between described fore filter 16 and the tube connector 17, the two ends of tube connector 25 are communicated with fore filter 16 and pressue device 12 respectively; Described tube connector 24 is communicated with pressue device 12; The tube connector 20 of described valve 9,10 is communicated with heater 11 on being arranged at tube connector 19.
Above-described pressue device 12 is injectors; Fore filter 16 can dispose gas-liquid separator or accurate oil removal filter.
The above heater 11 can be the one-level heating of a heater or the secondary heating of two heaters.
The above cooler 13 can be air-cooled cooler or water-cooled cooler.
The above heater 11 can be plate-fin heat exchanger, fin-tube type heat exchanger or shell-and-tube heat exchanger etc.
The above gas-liquid separator 14 can be that inertial separation isolated by filtration or inertia are combined to form with filtration and separate.
The advantage that the present invention has is:
1, regenerative process gas zero-emission
Drying gas in order to achieve zero release technology provided by the present invention and device, any gas of discharging in atmosphere no longer in the course of the work, the waste that has caused when having avoided to the pollution of atmospheric environment and combustion gas.
2, reduce cost
Drying gas in order to achieve zero release technology provided by the present invention and device need not to set up the equipment that reclaims emission gases, have reduced fund input, and technology simple, easy to operate, save the process of boosting after exhaust step-down and the regeneration, reduced cost.
3, applied widely
Drying gas in order to achieve zero release technology provided by the present invention and device are applicable to dehydrating of inflammable, explosive, poisonous pernicious gases such as process gas, natural gas, hydrogen, carbon monoxide, carbon dioxide.
4, avoid adsorbent efflorescence in the regenerative process
Drying gas in order to achieve zero release technology provided by the present invention and device have been avoided adsorbent efflorescence in the regenerative process effectively.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Accompanying drawing detail: 1-drying chamber A; 2-drying chamber B; 3,4,5,6,7,8,9,10-valve; The 11-heater; The 12-injector; The 13-cooler; The 14-gas-liquid separator; The 15-post-filter; The 16-fore filter; 17,18,19,20,23,24,25,27,28-tube connector; The 21-air inlet pipe; The 22-blast pipe; The 101-drier; The last piping of 102-; Piping under the 103-.
The specific embodiment
Drying gas in order to achieve zero release technology of the present invention may further comprise the steps:
(1) absorption
(1.1) contained free fluid in the unstrpped gas is carried out isolated by filtration;
(1.2) will after handling, step (1.1) the gained gas pressurized introduce adsorption dry in the tower that adsorbs work; Adsorbent in the adsorption tower can be silica gel, aluminium glue or molecular sieve etc.;
(1.3) will after handling, step (1.2) filter the solid dust particle in the divided gas flow by gained gas;
(1.4) will a gained gas part introduce the gas system that uses after step (1.3) is handled, another part is introduced step (2) regeneration;
(2) regeneration
(2.1) gas of introducing through step (1.4) is heated, can select one-level heating or secondary heating, make temperature rise to the temperature of adsorbent reactivation requirement, form high temperature drying gas;
(2.2) high temperature drying gas is introduced in the adsorbent of regenerating, high temperature drying gas heats adsorbent, and moisture adsorbed in the adsorbent is resolved, and finishes the dehydration regeneration to adsorbent, forms high temperature regeneration simultaneously and contains moisture;
(2.3) high temperature regeneration after handling through step (2.2) is contained moisture and cool off, make its moisture vapor condensation;
(2.4) gains after handling through step (2.3) are carried out gas-liquid separation, enter (1) absorption link after the gas pressurized that obtains and carry out drying; The free fluid that obtains is discharged;
(3) switch
Step (1) absorption and step (2) regeneration require to switch according to absorption, circulation absorption.Switching can be switched by valve, and it can be that pneumatic actuator control is switched or switched manually that valve switches.
In this drying process, use dried finished products gas as regeneration heated air and blast-cold gas during regeneration, can under lower heating-up temperature, finish adsorbent reactivation, obtain the finished product gas of low dew point.Regeneration heat air and blast-cold gas return adsorption process, and do not have any gas and be discharged in the atmosphere, be real " zero-emission ".
Below in conjunction with accompanying drawing apparatus of the present invention are described in detail, as shown in Figure 1:
The drying gas in order to achieve zero release device comprises the drier 101 that is made of drying chamber 1, drying chamber 2, the upper and lower port of drier 101 reaches down with last piping 102 respectively, and piping 103 is communicated with, last piping 102 is made of the valve 3 of parallel connection, valve 4 and valve 5, valve 6 parallel connections in parallel, and the tube connector 17 of valve 3, valve 4 is communicated with fore filter 16 on being arranged at air inlet pipe 17; Following piping 103 is made of valve 7, valve 8 and valve 9, valve 10 parallel connections in parallel of parallel connection, the tube connector 27 of valve 7, valve 8 is communicated with by tube connector 18 with post-filter 15 on being arranged at blast pipe 22, the tube connector 23 of valve 5, valve 6 is communicated with cooler 13 on being arranged at tube connector 28, also is provided with the gas-liquid separator 14 that is connected with tube connector 24 on the tube connector 28; Be provided with pressue device 12 and tube connector 25 between fore filter 16 and the tube connector 17, the two ends of tube connector 25 are communicated with fore filter 16 and pressue device 12 respectively; Tube connector 24 is communicated with pressue device 12; The tube connector 20 of valve 9, valve 10 is communicated with heater 11 on being arranged at tube connector 19.
When drying chamber 1 carries out absorption work, when drying chamber 2 is regenerated:
Absorption work: contain humid gas and enter fore filter 16 by air inlet pipe 21, behind the free moisture in behind the divided gas flow, enter the top of drying chamber 1 successively through tube connector 25, injector 12, tube connector 17, valve 3, pass adsorbent bed from top to bottom, moisture in the gas is adsorbed, and dry gas is discharged by the drying chamber bottom, enters post-filter 15 through valve 7, tube connector 27, tube connector 18, after removing the dust granules in the gas, enter blast pipe 22 and be sent to and use the gas point.In the adsorption process, valve 4,5,8,9 is in closed condition.
Reproduction operation: by tube connector 27 place's extension dry gas, after entering heater 11 and be heated intensification by tube connector 19, enter the bottom of drying chamber 2 through tube connector 20, valve 10, thermal current passes adsorbent bed from the bottom to top, to adsorbent heating and take away the water vapour that parses, discharge by the tank top, after valve 6, tube connector 23 enter cooler 13, gas and are cooled, separate the condensed moisture in the gas through tube connector 28, separator 14, enter injector 12 through tube connector 24 again, together enter adsorption tanks 1 after converging with the air-flow of tube connector 25.After reaching predetermined regeneration heating-up temperature, heater 11 quits work, and promptly enters the regeneration blast-cold stage, finish up to regenerative process, after regenerative process finishes, indicate that a working cycles finishes, two drying chambers switch, and this moment, drying chamber 2 adsorbed, and drying chamber 1 then enters regenerative process.
Fore filter 16 of the present invention can increase one-level gas-liquid separator or accurate oil removal filter according to the makings situation of the gas that is dried, and promptly the mode by " gas-liquid separator+fore filter+accurate oil removal filter " disposes; Heater 11 can adopt the one-level heating of a heater or the secondary heating of two heaters; Cooler 13 adopts air-cooled or water-cooled, and heat exchanger can adopt plate-fin, fin-tube type or shell-and-tube; Separator 14 can adopt inertial separation isolated by filtration or inertia to be combined to form with filtration to separate.
Claims (10)
1. a drying gas in order to achieve zero release technology is characterized in that, may further comprise the steps:
(1) absorption
(1.1) contained free fluid in the unstrpped gas is carried out isolated by filtration;
(1.2) will after handling, step (1.1) the gained gas pressurized introduce adsorption dry in the tower that adsorbs work;
(1.3) will after handling, step (1.2) filter the solid dust particle in the divided gas flow by gained gas;
(1.4) will a gained gas part introduce the gas system that uses after step (1.3) is handled, another part is introduced step (2) regeneration;
(2) regeneration
(2.1) gas of introducing through step (1.4) is heated, make temperature rise to the temperature of adsorbent reactivation requirement, form high temperature drying gas;
(2.2) high temperature drying gas is introduced in the adsorbent of regenerating, high temperature drying gas heats adsorbent, and moisture adsorbed in the adsorbent is resolved, and finishes the dehydration regeneration to adsorbent, forms high temperature regeneration simultaneously and contains moisture;
(2.3) high temperature regeneration after handling through step (2.2) is contained moisture and cool off, make its moisture vapor condensation;
(2.4) gains after handling through step (2.3) are carried out gas-liquid separation, enter (1) absorption link after the gas pressurized that obtains and carry out drying; The free fluid that obtains is discharged;
(3) switch
Step (1) absorption and step (2) regeneration require to switch according to absorption, circulation absorption.
2. according to the described drying gas in order to achieve zero release technology of claim 1, it is characterized in that: described step (3) is switched, and described switching is to switch by valve; It is to start actuator control to switch or switch manually that described valve switches.
3. according to claim 1 or 2 described drying gas in order to achieve zero release technologies, it is characterized in that: described step (2.1) is one-level heating or secondary heating to the heating of dry gas.
4. according to the described gas heat exchange of claim 3 drying process, it is characterized in that: described adsorbent is silica gel, aluminium glue or molecular sieve.
5. drying gas in order to achieve zero release device, comprise the drier (101) that constitutes by drying chamber (1), (2), the upper and lower port of described drier (101) reaches down with last piping (102) respectively, and piping (103) is communicated with, described valve (3), (4) and valve (5), (6) formation in parallel in parallel that goes up piping (102) by parallel connection, the tube connector (17) of described valve (3), (4) is communicated with fore filter (16) on being arranged at air inlet pipe (21); Described piping (103) down is by valve (7), (8) and valve (9), (10) formation in parallel in parallel of parallel connection, the tube connector (27) of described valve (7), (8) is communicated with by tube connector (18) with post-filter (15) on being arranged at blast pipe (22), it is characterized in that: the tube connector (23) of described valve (5), (6) is communicated with cooler (13) on being arranged at tube connector (28), also is provided with the gas-liquid separator (14) that is connected with tube connector (24) on the described tube connector (28); Be provided with pressue device (12) and tube connector (25) between described fore filter (16) and the tube connector (17), the two ends of tube connector (25) are communicated with fore filter (16) and pressue device (12) respectively; Described tube connector (24) is communicated with pressue device (12); The tube connector (20) of described valve (9), (10) is communicated with heater (11) on being arranged at tube connector (19).
6. drying gas in order to achieve zero release device according to claim 5 is characterized in that: described pressue device (12) is an injector; Described fore filter (16) configuration gas-liquid separator or accurate oil removal filter.
7. according to claim 5 or 6 described drying gas in order to achieve zero release devices, it is characterized in that: described heater (11) is the one-level heating of a heater or the secondary heating of two heaters.
8. gas heat exchange drying device according to claim 7 is characterized in that: described cooler (13) is air-cooled cooler or water-cooled cooler.
9. drying gas in order to achieve zero release device according to claim 8 is characterized in that: described heater (11) is plate-fin heat exchanger, fin-tube type heat exchanger or shell-and-tube heat exchanger.
10. drying gas in order to achieve zero release device according to claim 9 is characterized in that: described gas-liquid separator (14) is that inertial separation isolated by filtration or inertia are combined to form with filtration and separate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910303157A CN101920155B (en) | 2009-06-11 | 2009-06-11 | Process and device for drying gas in order to achieve zero release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910303157A CN101920155B (en) | 2009-06-11 | 2009-06-11 | Process and device for drying gas in order to achieve zero release |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101920155A true CN101920155A (en) | 2010-12-22 |
| CN101920155B CN101920155B (en) | 2012-09-05 |
Family
ID=43335520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910303157A Active CN101920155B (en) | 2009-06-11 | 2009-06-11 | Process and device for drying gas in order to achieve zero release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101920155B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604702A (en) * | 2012-04-01 | 2012-07-25 | 中国石油化工股份有限公司 | Purification method for low latent sulfur content natural gas |
| CN103028304A (en) * | 2012-12-27 | 2013-04-10 | 重庆联合机器制造有限公司 | External circulation heating regeneration gas dryer with three-way valves |
| CN105838464A (en) * | 2016-03-28 | 2016-08-10 | 重庆耐德能源装备集成有限公司 | Natural gas dehydration device, dehydration control method, and natural gas dehydration system |
| CN105969437A (en) * | 2016-03-28 | 2016-09-28 | 重庆耐德能源装备集成有限公司 | Dehydration device of natural gas, switching control method and system |
| CN106150567A (en) * | 2016-07-26 | 2016-11-23 | 中国神华能源股份有限公司 | Steam turbine synergistic device and the synergisting method of steam turbine |
| CN108889089A (en) * | 2018-08-24 | 2018-11-27 | 无锡联合超滤净化设备科技有限公司 | A kind of compressed air is dry, purifying process and device |
| CN113877376A (en) * | 2021-09-24 | 2022-01-04 | 中国船舶重工集团公司第七一八研究所 | Gas drying equipment |
| CN116585859A (en) * | 2023-05-19 | 2023-08-15 | 四川亚联氢能科技股份有限公司 | Gas nondestructive drying system and process |
| CN116764399A (en) * | 2023-08-18 | 2023-09-19 | 中国华能集团清洁能源技术研究院有限公司 | Flue gas adsorption dehydration system and process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5943720A (en) * | 1996-03-21 | 1999-08-31 | Chung; Jong Wha | Zero emission dry cleaning machine and process |
| CN201643947U (en) * | 2009-06-11 | 2010-11-24 | 西安超滤净化工程有限公司 | Zero-discharge gas drying device |
-
2009
- 2009-06-11 CN CN200910303157A patent/CN101920155B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604702A (en) * | 2012-04-01 | 2012-07-25 | 中国石油化工股份有限公司 | Purification method for low latent sulfur content natural gas |
| CN103028304A (en) * | 2012-12-27 | 2013-04-10 | 重庆联合机器制造有限公司 | External circulation heating regeneration gas dryer with three-way valves |
| CN103028304B (en) * | 2012-12-27 | 2016-02-10 | 重庆联合机器制造有限公司 | Triple valve external circulation heating regenerative gas-drying apparatus |
| CN105838464A (en) * | 2016-03-28 | 2016-08-10 | 重庆耐德能源装备集成有限公司 | Natural gas dehydration device, dehydration control method, and natural gas dehydration system |
| CN105969437A (en) * | 2016-03-28 | 2016-09-28 | 重庆耐德能源装备集成有限公司 | Dehydration device of natural gas, switching control method and system |
| CN106150567A (en) * | 2016-07-26 | 2016-11-23 | 中国神华能源股份有限公司 | Steam turbine synergistic device and the synergisting method of steam turbine |
| CN106150567B (en) * | 2016-07-26 | 2017-11-14 | 中国神华能源股份有限公司 | The synergisting method of steam turbine synergistic device and steam turbine |
| CN108889089A (en) * | 2018-08-24 | 2018-11-27 | 无锡联合超滤净化设备科技有限公司 | A kind of compressed air is dry, purifying process and device |
| CN108889089B (en) * | 2018-08-24 | 2023-10-24 | 无锡联合超滤净化设备科技有限公司 | Compressed air drying and purifying process and device |
| CN113877376A (en) * | 2021-09-24 | 2022-01-04 | 中国船舶重工集团公司第七一八研究所 | Gas drying equipment |
| CN116585859A (en) * | 2023-05-19 | 2023-08-15 | 四川亚联氢能科技股份有限公司 | Gas nondestructive drying system and process |
| CN116764399A (en) * | 2023-08-18 | 2023-09-19 | 中国华能集团清洁能源技术研究院有限公司 | Flue gas adsorption dehydration system and process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101920155B (en) | 2012-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101920154B (en) | Gas drying process and device | |
| CN101920155B (en) | Process and device for drying gas in order to achieve zero release | |
| CN201643947U (en) | Zero-discharge gas drying device | |
| CN101476007B (en) | Dry dust collection method and apparatus for blast furnace gas | |
| CN102101003B (en) | Process and device for drying adsorption type compressed gas regenerated by using compression heat | |
| CN101899341A (en) | Adsorption type high pressure natural gas dehydration process and device | |
| CN107398260A (en) | A kind of regenerating unit and its method for being used to adsorb the activated carbon of organic exhaust gas | |
| CN110394020B (en) | Nitrogen centralized desorption system for treating waste activated carbon containing VOCs | |
| CA3171108A1 (en) | Atmospheric steam desorption for direct air capture | |
| CN109701358B (en) | Organic waste gas adsorption and catalytic combustion combined system and process thereof | |
| CN201537451U (en) | Gas drying device | |
| CN103990358A (en) | Emission-free finished gas cold blowing heat regenerative drying process | |
| CN103480233A (en) | Apparatus and method for multi-stage absorption and recovery of organic waste gas | |
| CN102489106A (en) | Method for cycle collection of exhaust gas by adopting secondary adsorption | |
| CN109482165A (en) | The desorption and regeneration and its tail gas treatment process of the adsorbent of organic matter in adsorbed water body | |
| CN116059784A (en) | Method and system for capturing carbon dioxide in flue gas by pressure swing adsorption | |
| CN109045926B (en) | VOCs-containing waste gas treatment device and method | |
| CN210729078U (en) | A desorption system is concentrated to vapor for handling useless active carbon that contains VOCs | |
| CN102179142A (en) | Afterheat regeneration type air drying device | |
| CN102743957A (en) | High temperature oil-containing compressed air waste heat regeneration drying device | |
| CN207576094U (en) | A kind of micro- gas consumption blast heating absorption drier of recovery type heat | |
| CN201404757Y (en) | Four-way valve closed cycle heating regenerative gas dryer | |
| CN101601959A (en) | A kind of Zero gas consumption low dew point compression heat regeneration absorption compressed air drying method and device thereof | |
| CN205700032U (en) | Exhaust-gas treatment activated carbon adsorption and regenerating unit | |
| CN201404762Y (en) | Adsorption high-pressure natural gas dehydration unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171124 Address after: Mashan Binhu District 214000 Jiangsu city of Wuxi province Chang Kang Road 19 Patentee after: Wuxi United ultrafiltration purification equipment Technology Co., Ltd. Address before: 710075 high and New Development Zone, Xi'an, Shaanxi Province, No. three road 6 Patentee before: Xi'an UnionFilter Purification Engineering Co., Ltd. |