CN209456395U - A kind of selexol process process unit - Google Patents
A kind of selexol process process unit Download PDFInfo
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- CN209456395U CN209456395U CN201921178733.9U CN201921178733U CN209456395U CN 209456395 U CN209456395 U CN 209456395U CN 201921178733 U CN201921178733 U CN 201921178733U CN 209456395 U CN209456395 U CN 209456395U
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- absorption tower
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- lean solution
- regenerator
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Abstract
The utility model discloses a kind of selexol process process units, including feed gas separator, absorption tower, purge gas separator, flash separator, air blower, regeneration air cooler, regenerator, lean solution circulating pump, lean solution tank, sulphur foam tank, sulphur foam pump, sulphur filter press, filtrate collecting tank, filtrate recovery pump, the present apparatus is provided with annular groove in absorption tower, regenerator, lean solution tank and collects sulphur foam, is transferred in sulphur foam tank and handles, sulfur content is low in circulation fluid when operation, avoids it and adheres in relevant device and results in blockage；It is provided with baffle in absorption tower, entrainment in gas in absorption tower can be separated, avoids sulphur foam and liquid entrainment to purge gas separator, leads to the loss of equipment blocking and desulfurizing agent, while reducing the processing load of purge gas separator；Lean solution tank is introduced air into, and is provided with air sparger, desulfurizing agent is made to continue to regenerate in lean solution tank, is recycled with achieving the purpose that regenerate complete, desulfurizing agent.
Description
Technical field
The utility model relates to selexol process technical fields, and in particular to a kind of natural sulfur removal technology device.
Background technique
Natural gas is a kind of high-energy, free of contamination fossil energy, but the natural gas produced from stratum contains more
Hydrogen sulfide.Hydrogen sulfide has severe toxicity and strong corrosive, meeting corrosion pipeline and device, endangers environment and human health, belonging to must control
The atmosphere pollution of system, therefore selexol process is the important link in natural gas processing processing.
Selexol process mode is more at present, and compared with other desulfurization methods, liquid phase oxidation reduction method is a kind of desulfurization choosing
Strong, applied widely, investment the is low desulfurization method of selecting property, however usually occurred in selexol process process using this sulfur method
The problem that pipeline or device are blocked, influences the long-term operation of device.
Utility model content
In view of the above technical problem, the purpose of this utility model is to provide a kind of selexol process process unit, this works
Process and equipment aims to solve the problem that the blockage problem carried out during selexol process using liquid phase oxidation.
The utility model uses following technical scheme are as follows:
A kind of selexol process process unit, including feed gas separator, absorption tower, purge gas separator, flash separation
Device, air blower, regeneration air cooler, regenerator, lean solution circulating pump, lean solution tank, sulphur foam tank, sulphur foam pump, sulphur filter press, filter
Liquid collecting tank and filtrate recovery pump, absorption tower center mixing tube, regenerator center mixing tube, high-order water pot, pharmacy jar；
Sour gas admission line, feed gas separator outlet line and feed gas separator are provided on feed gas separator
Outlet tube line, feed gas separator outlet line are connected with absorption tower center mixing tube；
Baffle, absorption tower fluid jetting head, absorption tower annular groove and absorption tower point are disposed in absorption tower from top to bottom
Cloth device, be provided on absorption tower absorption tower outlet line, the absorption tower being connected with absorption tower fluid jetting head the first feed liquor pipeline, with
Connected absorption tower the second feed liquor pipeline of absorption tower distributor, absorption tower annular groove outlet tube corresponding with absorption tower annular groove
Line, absorb the bottom of the tower outlet tube line, absorption tower the second feed liquor pipeline are connected with absorption tower center mixing tube, and absorption tower annular groove goes out
Liquid pipe line, absorb the bottom of the tower outlet tube line are connected with absorption tower liquid outlet；
It is provided with purge gas separator entrance, purified gas outlet line and purge gas separator on purge gas separator and goes out liquid
Pipeline, absorption tower outlet line are connected with purge gas separator entrance, and purge gas separator outlet tube line also goes out liquid with absorption tower
General pipeline is connected；
Flash separator liquid inlet pipeline, flash separator outlet line and flash distillation point are provided on flash vessel separator
From device outlet tube line, absorption tower liquid outlet is connected with flash separator liquid inlet pipeline, and absorption tower liquid outlet is also through dodging
It steams separator cross-line to be connected with regenerator center mixing tube, flash separator outlet tube line is connected with regenerator center mixing tube；
Blower export is connected with blower air cooler, and blower air cooler outlet is connected with the first air branch
Pipe and the second air branch pipe, the first air branch pipe are connected with regenerator center mixing tube；
Regenerator annular groove and regenerator distributor, regenerator center mixing tube are disposed in regenerator from the top down
It is connected with regenerator distributor, regenerator annular groove feed liquor pipeline, regenerator annular groove outlet tube line, regeneration is set on regenerator
Tower liquid level adjustment pipe line and regeneration tower bottom outlet tube line, regenerator liquid level adjustment pipe line are connected with lean solution tank, regenerator annular
Slot outlet tube line is connected with sulphur foam tank, is provided with liquid level regulator on regenerator liquid level adjustment pipe line；
Lean solution tank annular groove and air sparger are provided in lean solution tank, air sparger is connected with the second air branch pipe,
Lean solution tank annular groove outlet tube line, lean solution pot bottom outlet tube line and lean solution tank drawing liquid pipeline, lean solution tank are provided on lean solution tank
Drawing liquid pipeline is connected with lean solution pump entry, and regenerator annular groove outlet tube line is connected with sulphur foam tank；
Lean solution circulating-pump outlet is connected with the first branch pipe of lean solution circulating-pump outlet and the second branch pipe of lean solution circulating-pump outlet, poor
The second branch pipe of liquid circulating-pump outlet is connected with absorption tower center mixing tube and absorption tower the first feed liquor pipeline, lean solution circulating-pump outlet
First branch pipe is connected with regenerator annular groove feed liquor pipeline；
Sulphur foam pot bottom outlet tube line is provided on sulphur foam tank；
Regeneration tower bottom outlet tube line, lean solution pot bottom outlet tube line, sulphur foam pot bottom outlet tube line are pumped into sulphur foam
Mouth connection, sulphur foam pump discharge are connected with sulphur filter press, and sulphur filter press outlet tube line and sulphur are provided on sulphur filter press
Solid outlet, sulphur filter press outlet tube line are connected with filtrate collecting tank, and filtrate collecting tank is connected with filtrate recycling pump intake, filter
Liquid recycling pump discharge is connected with lean solution tank；
High-order water pot and pharmacy jar are connected with lean solution tank.
Preferably, feed gas separator outlet tube line, absorb the bottom of the tower outlet tube line, purge gas separator outlet tube line,
Control valve is provided on flash separator outlet line, flash separator outlet tube line；It is feed gas separator, absorption tower, net
Change gas separating device, flash separator, regenerator, lean solution tank, sulphur foam tank, filtrate collecting tank, high-order water pot, be respectively provided on pharmacy jar
There is liquid level sensor；The second branch pipe of lean solution circulating-pump outlet, absorption tower the first feed liquor pipeline, the second air branch pipe are provided with stream
Meter.
Utility model works principle is as follows:
Sulfur-containing gas enters after unstripped gas dispenser isolates free water and other drops to be mixed by absorption tower center
Enter absorption tower lower part after pipe.In absorption tower, the desulfurizing agent come from lean solution circulating pump divides two-way to enter absorption tower, all the way from suction
It receives and enters absorption tower at tower fluid jetting head and come into full contact with, react with sulfur-containing gas, another way is mixed by absorption tower center
Pipe mixed with sulfur-containing gas after into absorption tower lower part, the hydrogen sulfide in sulfur-containing gas is absorbed, and purified gas is from absorption tower
Top outflow, purified gas separating device enter downstream unit after isolating liquid.
Desulfurizing agent forms sulfur removing pregnant solution after absorbing hydrogen sulfide in absorption tower, and when normal, rich solution is through absorb the bottom of the tower outlet tube
Line is sent outside, and after sulphur floats to form sulphur foam in absorption tower, absorbing tower liquid-level can be improved, and sulphur foam is allowed to enter on absorption tower
Portion absorption tower annular groove flows into absorption tower annular groove outlet tube line then outlet certainly again.It is greater than when sulfur-containing gas carrys out atmospheric pressure
When 0.2MPa (g), flash separator comes into operation, and rich solution enters back into regeneration downstream tower after flash separator flashes off gas；When containing
Rich solution is directly entered regenerator by flash separator cross-line when sulphur natural gas carrys out atmospheric pressure less than 0.2MPa (g).
Rich solution enters regenerator lower part after mixing in the mixing tube of regenerator center with the air that blower is sent.In regenerator
In, air mixes generation oxidation regeneration with sulfur removing pregnant solution and reacts, and the sulfide in sulfur removing pregnant solution is oxidized to elemental sulfur, desulfurizing agent
Rich solution regenerates lean solution, and extra air is discharged by evacuation port at the top of regenerator.In lean solution tank, not oxidized sulfide is again
Carry out air generation oxidation regeneration with blower to react, sulfide is oxidized to sulphur simple substance.On sulphur in regenerator and in lean solution tank
Then the floating sulphur foam that formed is pumped into sulphur filters pressing by sulphur foam respectively after upper part annular groove again from flowing into sulphur foam tank
Machine carries out pressure filtration molding, and clear liquid drains into filtrate collecting tank and then recycles pumped back lean solution tank by filtrate after filter.
Lean solution is flow automatically after liquid level regulator in the middle part of regenerator enters lean solution tank, then by being sent into after the pressurization of lean solution circulating pump
Complete solution cyclic process in absorption tower.
Lime set is pressed into absorption tower liquid outlet certainly in purge gas separator.
System is equipped with high water tank and pharmacy jar and its supporting pipelines for supplementing medicament and fresh water, maintains system desulfurization
Agent property and each tower, tank level stability.
The beneficial effects of the utility model are as follows:
The present apparatus is provided with lean solution tank, is provided with annular groove in absorption tower, regenerator, lean solution tank and receives sulphur foam
Collect, be transferred in sulphur foam tank and handle, sulfur content is low in circulation fluid when operation, avoids it and adheres in relevant device and causes to block up
Plug；It is provided with baffle in absorption tower, entrainment in gas in absorption tower can be separated, avoid sulphur foam and liquid entrainment
To purge gas separator, lead to the loss of equipment blocking and desulfurizing agent, while reducing the processing load of purge gas separator；It will
Air introduces lean solution tank, and is provided with air sparger, and desulfurizing agent is made to continue to regenerate in lean solution tank, with reach regeneration completely,
The purpose that desulfurizing agent is recycled.
Detailed description of the invention
Fig. 1 is the utility model overall schematic；
In figure, feed gas separator 1, sour gas admission line 101, feed gas separator outlet line 102, unstripped gas point
From device outlet tube line 103, absorption tower 2, baffle 201, absorption tower fluid jetting head 202, absorption tower annular groove 203, absorption tower distribution
Device 204, absorption tower outlet line 205, absorption tower the first feed liquor pipeline 206, absorption tower the second feed liquor pipeline 207, absorption tower ring
Shape slot outlet tube line 208, absorb the bottom of the tower outlet tube line 209, absorption tower liquid outlet 210, purge gas separator 3, purified gas
Separator inlet 301, purified gas outlet line 302, purge gas separator outlet tube line 303, flash separator 4, flash separation
Device liquid inlet pipeline 401, flash separator outlet line 402, flash separator outlet tube line 403, air blower 5, regeneration are empty
Gas Cooler 6, the first air branch pipe 601, the second air branch pipe 602, regenerator 7, regenerator annular groove 701, regenerator distribution
Device 702, regenerator annular groove feed liquor pipeline 703, regenerator annular groove outlet tube line 704, regenerator liquid level adjustment pipe line 705,
Regenerate tower bottom outlet tube line 706, lean solution circulating pump 8, the first branch pipe of lean solution circulating-pump outlet 801, lean solution circulating-pump outlet the
Two branch pipes 802, lean solution tank 9, lean solution tank annular groove 901, air sparger 902, lean solution tank annular groove outlet tube line 903, lean solution
Pot bottom outlet tube line 904, lean solution tank drawing liquid pipeline 905, sulphur foam tank 10, sulphur foam pot bottom outlet tube line 1001, sulphur foam pump 11,
Sulphur filter press 12, sulphur filter press outlet tube line 1201, sulphur solid outlet 1202, filtrate collecting tank 13 and filtrate recovery pump
14, absorption tower center mixing tube 15, regenerator center mixing tube 16, high-order water pot 17, pharmacy jar 18；
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment:
A kind of selexol process process unit, including feed gas separator 1, absorption tower 2, purge gas separator 3, flash distillation point
From device 4, air blower 5, regeneration air cooler 6, regenerator 7, lean solution circulating pump 8, lean solution tank 9, sulphur foam tank 10, sulphur foam pump 11,
Sulphur filter press 12, filtrate collecting tank 13 and filtrate recovery pump 14, absorption tower center mixing tube 15, regenerator center mixing tube
16, high-order water pot 17, pharmacy jar 18；
Sour gas admission line 101,102 and of feed gas separator outlet line are provided on the feed gas separator 1
Feed gas separator outlet tube line 103, the feed gas separator outlet line 102 are connected with absorption tower center mixing tube 15；
Baffle 201, absorption tower fluid jetting head 202, absorption tower annular groove are disposed in the absorption tower 2 from top to bottom
203 and absorption tower distributor 204, absorption tower outlet line 205 is provided on absorption tower 2, is connected with absorption tower fluid jetting head 202
Absorption tower the first feed liquor pipeline 206, absorption tower the second feed liquor pipeline 207 for being connected with absorption tower distributor 204 and absorption tower
The corresponding absorption tower annular groove outlet tube line 208 of annular groove 203, absorb the bottom of the tower outlet tube line 209, the absorption tower second
Feed liquor pipeline 207 is connected with absorption tower center mixing tube 15, and the absorption tower annular groove outlet tube line 208, absorb the bottom of the tower go out
Liquid pipe line 209 is connected with absorption tower liquid outlet 210；
Purge gas separator entrance 301, purified gas outlet line 302 and purification are provided on the purge gas separator 3
Gas separating device outlet tube line 303, the absorption tower outlet line 205 are connected with purge gas separator entrance 301, the purified gas
Separator outlet tube line 303 is also connected with the absorption tower liquid outlet 210；
Flash separator liquid inlet pipeline 401, flash separator outlet line are provided on the flash vessel separator 4
402 and flash separator outlet tube line 403, the absorption tower liquid outlet 210 and 401 phase of flash separator liquid inlet pipeline
Even, absorption tower liquid outlet 210 is also connected through flash separator cross-line 404 with regenerator center mixing tube 16, the flash distillation point
It is connected from device outlet tube line 403 with regenerator center mixing tube 16；
The blower export 5 is connected with blower air cooler 6, the outlet of blower air cooler 6 connection
There are the first air branch pipe 601 and the second air branch pipe 602, first air branch pipe 601 and 16 phase of regenerator center mixing tube
Even；
Regenerator annular groove 701 and regenerator distributor 702 are disposed in the regenerator 7 from the top down, it is described
Regenerator center mixing tube 16 is connected with regenerator distributor 702, and regenerator annular groove feed liquor pipeline is arranged on the regenerator 7
703, regenerator annular groove outlet tube line 704, regenerator liquid level adjustment pipe line 705 and regeneration tower bottom outlet tube line 706, it is described
Regenerator liquid level adjustment pipe line 705 is connected with lean solution tank 9, and the regenerator annular groove outlet tube line 704 is connected with sulphur foam tank 10,
Liquid level regulator is provided on the regenerator liquid level adjustment pipe line 705；
Be provided with lean solution tank annular groove 901 and air sparger 902 in the lean solution tank 9, the air sparger 902 with
Second air branch pipe 602 is connected, and lean solution tank annular groove outlet tube line 903 is provided on the lean solution tank 9, lean solution pot bottom goes out liquid
Pipeline 904 and lean solution tank drawing liquid pipeline 905, the lean solution tank drawing liquid pipeline 905 are connected with 8 entrance of lean solution circulating pump, it is described again
Raw tower annular groove outlet tube line 704 is connected with sulphur foam tank 10；
The outlet of lean solution circulating pump 8 and the first branch pipe of lean solution circulating-pump outlet 801 and lean solution circulating-pump outlet second
Pipe 802 is connected, second branch pipe of lean solution circulating-pump outlet 802 and the first inlet tube of absorption tower center mixing tube 15 and absorption tower
Line 206 is connected, and first branch pipe of lean solution circulating-pump outlet 801 is connected with regenerator annular groove feed liquor pipeline 703；
Sulphur foam pot bottom outlet tube line 1001 is provided on the sulphur foam tank 10；
The regeneration tower bottom outlet tube line 706, lean solution pot bottom outlet tube line 904, sulphur foam pot bottom outlet tube line
1001, which pump 11 entrances with sulphur foam, connect, and 11 outlet of sulphur foam pump is connected with sulphur filter press 12, the sulphur filter press 12
On be provided with sulphur filter press outlet tube line 1201 and sulphur solid outlet 1202, the sulphur filter press outlet tube line 1201 with
Filtrate collecting tank 13 is connected, and the filtrate collecting tank 13 is connected with 14 entrance of filtrate recovery pump, and the filtrate recovery pump 14 exports
It is connected with lean solution tank 9；
The high position water pot 17 and pharmacy jar 18 are connected with lean solution tank 10.
The feed gas separator outlet tube line 103, absorb the bottom of the tower outlet tube line 209, purified gas outlet line 302,
Purge gas separator outlet tube line 303, flash separator outlet line 402 are provided on flash separator outlet tube line 403
Control valve 19；The feed gas separator 1, absorption tower 2, purge gas separator 3, flash separator 4, regenerator 7, lean solution tank 9,
Sulphur foam tank 10, high-order water pot 17, is provided with liquid level sensor 20 on pharmacy jar 18 at filtrate collecting tank 13；The lean solution circulation
The second branch pipe of pump discharge 802, absorption tower the first feed liquor pipeline 206, the second air branch pipe 602 are provided with flowmeter 21.
In the description of the present invention, it should be noted that term " on ", "lower", etc. instructions orientation or position close
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (2)
1. a kind of selexol process process unit, which is characterized in that including feed gas separator, absorption tower, purge gas separator,
Flash separator, air blower, regeneration air cooler, regenerator, lean solution circulating pump, lean solution tank, sulphur foam tank, sulphur foam pump, sulphur
Filter press, filtrate collecting tank and filtrate recovery pump, absorption tower center mixing tube, regenerator center mixing tube, high-order water pot, medicament
Tank；
Sour gas admission line, feed gas separator outlet line and feed gas separator are provided on the feed gas separator
Outlet tube line, the feed gas separator outlet line are connected with absorption tower center mixing tube；
Baffle, absorption tower fluid jetting head, absorption tower annular groove and absorption tower point are disposed in the absorption tower from top to bottom
Cloth device, be provided on absorption tower absorption tower outlet line, the absorption tower being connected with absorption tower fluid jetting head the first feed liquor pipeline, with
Connected absorption tower the second feed liquor pipeline of absorption tower distributor, absorption tower annular groove outlet tube corresponding with absorption tower annular groove
Line, absorb the bottom of the tower outlet tube line, absorption tower the second feed liquor pipeline are connected with absorption tower center mixing tube, the absorption tower
Annular groove outlet tube line, absorb the bottom of the tower outlet tube line are connected with absorption tower liquid outlet；
It is provided with purge gas separator entrance, purified gas outlet line and purge gas separator on the purge gas separator and goes out liquid
Pipeline, the absorption tower outlet line are connected with purge gas separator entrance, the purge gas separator outlet tube line also with institute
Absorption tower liquid outlet is stated to be connected；
Flash separator liquid inlet pipeline, flash separator outlet line and flash separation are provided on the flash separator
Device outlet tube line, the absorption tower liquid outlet are connected with flash separator liquid inlet pipeline, and absorption tower liquid outlet also passes through
Flash separator cross-line is connected with regenerator center mixing tube, the flash separator outlet tube line and regenerator center mixing tube
It is connected；
The blower export is connected with blower air cooler, and the blower air cooler outlet is connected with the first sky
Gas branch pipe and the second air branch pipe, first air branch pipe are connected with regenerator center mixing tube；
Regenerator annular groove and regenerator distributor are disposed in the regenerator from the top down, the regenerator center is mixed
It closes pipe to be connected with regenerator distributor, regenerator annular groove feed liquor pipeline is set on the regenerator, regenerator annular groove goes out liquid
Pipeline, regenerator liquid level adjustment pipe line and regeneration tower bottom outlet tube line, the regenerator liquid level adjustment pipe line and lean solution tank phase
Even, the regenerator annular groove outlet tube line is connected with sulphur foam tank, is provided with liquid level tune on the regenerator liquid level adjustment pipe line
Save device；
Lean solution tank annular groove and air sparger, the air sparger and the second air branch pipe phase are provided in the lean solution tank
Even, it is provided with lean solution tank annular groove outlet tube line, lean solution pot bottom outlet tube line and lean solution tank drawing liquid pipeline on the lean solution tank,
The lean solution tank drawing liquid pipeline is connected with lean solution pump entry, and the regenerator annular groove outlet tube line is connected with sulphur foam tank；
The lean solution circulating-pump outlet is connected with the first branch pipe of lean solution circulating-pump outlet and the second branch pipe of lean solution circulating-pump outlet, institute
It states the second branch pipe of lean solution circulating-pump outlet to be connected with absorption tower center mixing tube and absorption tower the first feed liquor pipeline, the lean solution is followed
The first branch pipe of ring pump discharge is connected with regenerator annular groove feed liquor pipeline；
Sulphur foam pot bottom outlet tube line is provided on the sulphur foam tank；
The regeneration tower bottom outlet tube line, lean solution pot bottom outlet tube line, sulphur foam pot bottom outlet tube line are pumped into sulphur foam
Mouth connection, the sulphur foam pump discharge are connected with sulphur filter press, and sulphur filter press outlet tube is provided on the sulphur filter press
Line and sulphur solid outlet, the sulphur filter press outlet tube line are connected with filtrate collecting tank, the filtrate collecting tank and filtrate
It recycles pump intake to be connected, the filtrate recycling pump discharge is connected with lean solution tank；
The high position water pot and pharmacy jar are connected with lean solution tank.
2. a kind of selexol process process unit according to claim 1, which is characterized in that the feed gas separator goes out
Liquid pipe line, absorb the bottom of the tower outlet tube line, purified gas outlet line, purge gas separator outlet tube line, flash separator outlet
Control valve is provided on pipeline, flash separator outlet tube line；The feed gas separator, absorption tower, purge gas separator,
Flash separator, lean solution tank, sulphur foam tank, filtrate collecting tank, high-order water pot, is provided with level sensing on pharmacy jar at regenerator
Device；Second branch pipe of lean solution circulating-pump outlet, absorption tower the first feed liquor pipeline, the second air branch pipe are provided with flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178733.9U CN209456395U (en) | 2019-07-25 | 2019-07-25 | A kind of selexol process process unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921178733.9U CN209456395U (en) | 2019-07-25 | 2019-07-25 | A kind of selexol process process unit |
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| Publication Number | Publication Date |
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| CN209456395U true CN209456395U (en) | 2019-10-01 |
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ID=68048377
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921178733.9U Active CN209456395U (en) | 2019-07-25 | 2019-07-25 | A kind of selexol process process unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112795413A (en) * | 2021-04-12 | 2021-05-14 | 明硕环境科技集团股份有限公司 | Efficient skid-mounted intelligent complete equipment for desulfurization |
-
2019
- 2019-07-25 CN CN201921178733.9U patent/CN209456395U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112795413A (en) * | 2021-04-12 | 2021-05-14 | 明硕环境科技集团股份有限公司 | Efficient skid-mounted intelligent complete equipment for desulfurization |
| CN112795413B (en) * | 2021-04-12 | 2021-06-22 | 明硕环境科技集团股份有限公司 | Efficient skid-mounted intelligent complete equipment for desulfurization |
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