CN111013347A - Tail gas treatment device - Google Patents
Tail gas treatment device Download PDFInfo
- Publication number
- CN111013347A CN111013347A CN201911277748.5A CN201911277748A CN111013347A CN 111013347 A CN111013347 A CN 111013347A CN 201911277748 A CN201911277748 A CN 201911277748A CN 111013347 A CN111013347 A CN 111013347A
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- Prior art keywords
- tank
- alkali liquor
- pipe
- lye
- connecting pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/30—Controlling by gas-analysis apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a tail gas treatment device, which relates to the technical field of tail gas treatment and comprises a first alkali liquor box, wherein a first alkali liquor inlet is formed in the top end of the first alkali liquor box, an air inlet pipe is connected to one side of the first alkali liquor box, a second alkali liquor box is arranged at the bottom end of the first alkali liquor box, a first liquid outlet pipe is connected to one end of the first alkali liquor box, and a sealing cover is arranged on the outer side of the first alkali liquor inlet. According to the invention, through the arrangement of the first alkali liquid tank, the second alkali liquid tank and the connecting pipe, tail gas enters the first alkali liquid tank, hydrogen sulfide in the tail gas is absorbed by alkali liquid, and the rest small amount of hydrogen sulfide, carbon dioxide and hydrogen enter the second alkali liquid tank through the connecting pipe for secondary absorption, so that the small amount of hydrogen sulfide is absorbed by the alkali liquid, and the rest carbon dioxide and hydrogen enter the gas outlet pipe, thereby effectively solving the problem that the contact time of the hydrogen sulfide and the alkali liquid is short, and the small amount of hydrogen sulfide is not completely absorbed.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a tail gas treatment device.
Background
Tail gas is mainly non-condensable gas separated from raw materials, is controlled by a pressure control valve, is sent to a low-pressure gas buffer tank for pressure reduction, and is sent to a combustion furnace for incineration, so that the energy-saving purpose is achieved, the tail gas generated by the desulfurization process is mainly hydrogen sulfide, carbon dioxide and a small amount of hydrogen, most of H2S is absorbed by 34% alkali liquor to generate sodium sulfide, and a small amount of hydrogen sulfide, carbon dioxide and hydrogen enter the low-pressure gas tank, are buffered and decompressed, and then enter the combustion furnace for incineration.
The contact time of the existing hydrogen sulfide and alkali liquor is short, after 34% of alkali liquor is absorbed, a small part of hydrogen sulfide still exists and is not completely absorbed, tail gas generated by desulfurization enters an alkali liquor box, and due to sealing treatment of a joint, the tail gas is easy to age and lose efficacy after a long time, so that the tail gas can generate leakage, and an explosive mixture can be formed by mixing with air.
Disclosure of Invention
The invention aims to: in order to solve the problems that a small part of hydrogen sulfide is not completely absorbed and the tail gas leaks and is mixed with air to form an explosive mixture due to the short contact time of the hydrogen sulfide and the alkali liquor, a tail gas treatment device is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a tail gas treatment device comprises a first alkali liquor box, wherein a first alkali liquor inlet is formed in the top end of the first alkali liquor box, an air inlet pipe is connected to one side of the first alkali liquor box, a second alkali liquor box is arranged at the bottom end of the first alkali liquor box, a first liquid outlet pipe is connected to one end of the first alkali liquor box, a sealing cover is arranged on the outer side of the first alkali liquor inlet, a first electromagnetic valve is mounted on the first liquid outlet pipe, a sealing shell is arranged on the outer wall of the air inlet pipe, a second electromagnetic valve is mounted on the air inlet pipe inside the sealing shell, a probe is arranged above the second electromagnetic valve inside the sealing shell, a combustible gas detector is connected to the top end of the probe, an alarm is mounted at the top end of the combustible gas detector, a second alkali liquor inlet is formed in one end of the second alkali liquor box, and an air outlet pipe is connected to one side of the second alkali liquor box, the gas flowmeter is characterized in that a pressure regulating valve is mounted on the outlet pipe, a threaded sleeve is sleeved on the outer wall of the outlet pipe, a gas flowmeter is arranged on one side of the pressure regulating valve and located on the outlet pipe, a buffer tank connecting pipe is arranged below the inner wall of the threaded sleeve and located on the outlet pipe, and a low-pressure buffer tank is connected to the bottom end of the buffer tank connecting pipe.
Preferably, one end of the second lye tank is connected with a second liquid outlet pipe, and the first liquid outlet pipe and the second liquid outlet pipe are both provided with a first electromagnetic valve.
Preferably, the top of low pressure buffer tank is provided with the air inlet, and installs the third solenoid valve on the buffer tank connecting pipe.
Preferably, the bottom of the second lye tank is provided with a support frame, and the top ends of the second lye inlet and the first lye inlet are provided with sealing covers.
Preferably, one side of the first lye tank, which is far away from the air inlet pipe, is connected with a connecting pipe, one end of the connecting pipe is connected with a second lye tank, and the connecting pipe is movably connected with the first lye tank and the connecting pipe through threads.
Preferably, the first lye inlet penetrates through the inside of the first lye tank, and the first lye inlet is movably connected with the sealing cover through threads.
Preferably, the combustible gas detector passes through PLC controller electric connection with the alarm, the top at the combustible gas detector is fixed to the alarm.
Preferably, the outer wall that the both sides of sealed shell are located the intake pipe all is provided with the sealing washer, combustible gas detector fixes the top at sealed shell.
Preferably, the air outlet pipe is in threaded connection with the threaded sleeve, and the buffer tank connecting pipe is in threaded connection with the threaded sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the first alkali liquid tank, the second alkali liquid tank and the connecting pipe, tail gas enters the first alkali liquid tank, hydrogen sulfide in the tail gas is absorbed by alkali liquid, and the rest small amount of hydrogen sulfide, carbon dioxide and hydrogen enter the second alkali liquid tank through the connecting pipe for secondary absorption, so that the small amount of hydrogen sulfide is absorbed by the alkali liquid, and the rest carbon dioxide and hydrogen enter the gas outlet pipe, thereby effectively solving the problem that the contact time of the hydrogen sulfide and the alkali liquid is short, and the small amount of hydrogen sulfide is not completely absorbed.
2. According to the invention, through the arrangement of the sealing shell, the combustible gas detector, the probe and the alarm, when tail gas leaks at the joint of the gas inlet pipe, the combustible gas detector detects the gas in the sealing shell through the probe, if the gas is combustible gas such as hydrogen sulfide and hydrogen, the combustible gas detector converts a gas signal into an electric signal and transmits the electric signal to the PLC, the PLC operates to remind gas leakage, and the problem that the tail gas leakage and air mixed to form an explosive mixture is effectively solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view of a seal housing of the present invention;
FIG. 4 is a threaded sleeve connection of the present invention;
fig. 5 is an enlarged schematic view of a of the present invention.
In the figure: 1. a first lye tank; 2. a first alkali liquor inlet; 3. a first liquid outlet pipe; 4. a first solenoid valve; 5. an air inlet pipe; 6. sealing the shell; 7. a seal ring; 8. a second solenoid valve; 9. a probe; 10. a combustible gas detector; 11. an alarm; 12. a second lye tank; 13. a second liquid outlet pipe; 14. a second lye inlet; 15. a sealing cover; 16. an air outlet pipe; 17. a pressure regulating valve; 18. a gas flow meter; 19. a third electromagnetic valve; 20. an air inlet; 21. a low-pressure buffer tank; 22. a support frame; 23. a connecting pipe; 24. a threaded bushing; 25. buffer tank connecting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a tail gas treatment device comprises a first lye tank 1, a first lye inlet 2 is arranged at the top end of the first lye tank 1, an air inlet pipe 5 is connected to one side of the first lye tank 1, a second lye tank 12 is arranged at the bottom end of the first lye tank 1, a first liquid outlet pipe 3 is connected to one end of the first lye tank 1, a sealing cover 15 is arranged at the outer side of the first lye inlet 2, a first electromagnetic valve 4 is arranged on the first liquid outlet pipe 3, a sealing shell 6 is arranged on the outer wall of the air inlet pipe 5, a second electromagnetic valve 8 is arranged on the air inlet pipe 5 in the sealing shell 6, a probe 9 is arranged above the second electromagnetic valve 8 in the sealing shell 6, the top end of the probe 9 is connected with a combustible gas detector 10, an alarm 11 is arranged at the top end of the combustible gas detector 10, a second lye inlet 14 is arranged at one end of the second lye tank 12, and one side of the second lye tank 12 is connected with an air outlet pipe 16, the air outlet pipe 16 is provided with a pressure regulating valve 17, the outer wall of the air outlet pipe 16 is sleeved with a threaded sleeve 24, one side of the pressure regulating valve 17 is positioned at the air outlet pipe 16 and is provided with a gas flowmeter 18, the inner wall of the threaded sleeve 24 is positioned below the air outlet pipe 16 and is provided with a buffer tank connecting pipe 25, and the bottom end of the buffer tank connecting pipe 25 is connected with a low-pressure buffer tank 21.
Please refer to fig. 1, one end of the second alkaline solution tank 12 is connected to a second liquid outlet pipe 13, the second liquid outlet pipe 13 is convenient for flowing out the alkaline solution in the second alkaline solution tank 12, the first liquid outlet pipe 3 and the second liquid outlet pipe 13 are both provided with a first solenoid valve 4, the first solenoid valve 4 controls the flow of the alkaline solution flowing out from the first liquid outlet pipe 3 and the second liquid outlet pipe 13, the top end of the low pressure buffer tank 21 is provided with an air inlet 20 for allowing the carbon dioxide and the hydrogen to enter the low pressure buffer tank 21 through the buffer tank connecting pipe 25, the buffer tank connecting pipe 25 is provided with a third solenoid valve 19, the third solenoid valve 19 controls the inlet and the outlet of the air in the buffer tank connecting pipe 25, the bottom end of the second alkaline solution tank 12 is provided with a supporting frame 22, the supporting frame 22 supports the first alkaline solution tank 1 and the second alkaline solution tank 12, the top ends of the second alkaline solution inlet 14 and the first alkaline solution inlet 2 are both provided with a sealing cover 15, the sealing, When the first alkali liquor inlet 2 does not work, the first alkali liquor inlet 2 is sealed and protected.
Please refer to fig. 2, one side of the first lye tank 1, which is far away from the air inlet pipe 5, is connected with a connecting pipe 23, one end of the connecting pipe 23 is connected with a second lye tank 12, the connecting pipe 23 is movably connected with the first lye tank 1 and the connecting pipe 23 through threads, after the tail gas is absorbed by the lye in the first lye tank 1, the residual gas enters the second lye tank 12 from the connecting pipe 23 for secondary absorption, the first lye inlet 2 penetrates into the first lye tank 1, so that the lye can conveniently enter the first lye tank 1 from the first lye inlet 2, and the first lye inlet 2 is movably connected with the sealing cover 15 through threads, so that the sealing protection can be conveniently performed when the device does not work.
Please refer to fig. 3 heavily, combustible gas detector 10 passes through PLC controller electric connection with alarm 11, combustible gas detector 10 detects the gas in sealed shell 6, if gas is combustible gas hydrogen sulfide, hydrogen etc., then combustible gas detector 10 changes the gas signal into the signal of telecommunication, the transmission is for the PLC controller, PLC controller alarm 11 operation, alarm 11 is fixed on the top of combustible gas detector 10, be convenient for add the signal of receiving combustible gas detector 10 transmission, the outer wall that sealed shell 6's both sides are located intake pipe 5 all is provided with sealing washer 7, sealing washer 7 seals the junction of sealed shell 6 and intake pipe 5, combustible gas detector 10 is fixed on the top of sealed shell 6, be convenient for combustible gas detector 10 with probe 9 deep inside sealed shell 6, be convenient for detect.
Please refer to fig. 4, the air outlet pipe 16 is connected to the threaded sleeve 24 through a screw, the buffer tank connecting pipe 25 is connected to the threaded sleeve 24 through a screw, the threaded sleeve 24 is screwed to separate the air outlet pipe 16 from the threaded sleeve 24, and the low pressure buffer tank 21 is separated from the air outlet pipe 16, thereby facilitating the movement of the low pressure buffer tank 21.
The working principle is as follows: when the invention is used, the sealing cover 15 is opened, alkali liquor is poured into the first alkali liquor box 1 through the first alkali liquor inlet 2, alkali liquor is poured into the second alkali liquor box 12 through the second alkali liquor inlet 14, the sealing cover 15 is covered, tail gas generated by desulfurization is led into the air inlet pipe 5, the second electromagnetic valve 8 is opened, the tail gas is led into the first alkali liquor box 1, hydrogen sulfide in the tail gas is absorbed by the alkali liquor, the rest small amount of hydrogen sulfide, carbon dioxide and hydrogen are led into the second alkali liquor box 12 through the connecting pipe 23 for secondary absorption, the rest carbon dioxide and hydrogen are led into the air outlet pipe 16 and are subjected to pressure reduction treatment through the pressure regulating valve 17 on the air outlet pipe 16, finally the third electromagnetic valve 19 is opened, the rest carbon dioxide and hydrogen are led into the low-pressure buffer tank 21 through the buffer tank connecting pipe 25 and are stored, when the low-pressure buffer tank 21 is full, screw thread sleeve 24, make outlet duct 16 and screw thread sleeve 24 separation, then low pressure buffer tank 21 and outlet duct 16 separation, be convenient for remove in the change to low pressure buffer tank 21, gas flowmeter 18 on the outlet duct 16 carries out flow monitoring to the gas that flows, when tail gas leaks in the junction method of intake pipe 5, combustible gas detector 10 detects the gas in sealed shell 6 through probe 9, if gaseous combustible gas hydrogen sulfide, hydrogen etc. then combustible gas detector 10 changes gas signal into the signal of telecommunication, the transmission gives the PLC controller, PLC controller alarm 11 operation, carry out the warning of gas leakage.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a tail gas processing apparatus, includes first lye tank (1), its characterized in that: a first alkali liquor inlet (2) is formed in the top end of the first alkali liquor tank (1), an air inlet pipe (5) is connected to one side of the first alkali liquor tank (1), a second alkali liquor tank (12) is arranged at the bottom end of the first alkali liquor tank (1), a first liquid outlet pipe (3) is connected to one end of the first alkali liquor tank (1), a sealing cover (15) is arranged on the outer side of the first alkali liquor inlet (2), a first electromagnetic valve (4) is installed on the first liquid outlet pipe (3), a sealing shell (6) is arranged on the outer wall of the air inlet pipe (5), a second electromagnetic valve (8) is installed on the air inlet pipe (5) in the sealing shell (6), a probe (9) is arranged above the second electromagnetic valve (8) in the sealing shell (6), a combustible gas detector (10) is connected to the top end of the probe (9), and an alarm (11) is installed on the top end of the combustible gas detector (10), one end of second lye tank (12) is provided with second lye entry (14), and one side of second lye tank (12) is connected with outlet duct (16), install air-vent valve (17) on outlet duct (16), and the outer wall of outlet duct (16) has cup jointed threaded sleeve pipe (24), one side of air-vent valve (17) is located outlet duct (16) and is provided with gas flowmeter (18), the below that the inner wall of threaded sleeve pipe (24) is located outlet duct (16) is provided with buffer tank connecting pipe (25), the bottom of buffer tank connecting pipe (25) is connected with low pressure buffer tank (21).
2. The exhaust gas treatment device according to claim 1, wherein: one end of the second alkaline solution tank (12) is connected with a second liquid outlet pipe (13), and first electromagnetic valves (4) are arranged on the first liquid outlet pipe (3) and the second liquid outlet pipe (13).
3. The exhaust gas treatment device according to claim 1, wherein: the top of low pressure buffer tank (21) is provided with air inlet (20), and installs third solenoid valve (19) on buffer tank connecting pipe (25).
4. The exhaust gas treatment device according to claim 1, wherein: the bottom of second lye tank (12) is provided with support frame (22), the top of second lye entry (14), first lye entry (2) all is provided with sealed lid (15).
5. The exhaust gas treatment device according to claim 1, wherein: one side of the first lye tank (1) far away from the air inlet pipe (5) is connected with a connecting pipe (23), one end of the connecting pipe (23) is connected with a second lye tank (12), and the connecting pipe (23) is movably connected with the first lye tank (1) and the connecting pipe (23) through threads.
6. The exhaust gas treatment device according to claim 1, wherein: the first alkali liquor inlet (2) penetrates through the inside of the first alkali liquor box (1), and the first alkali liquor inlet (2) is movably connected with the sealing cover (15) through threads.
7. The exhaust gas treatment device according to claim 1, wherein: the combustible gas detector (10) is electrically connected with the alarm (11) through a PLC, and the alarm (11) is fixed at the top end of the combustible gas detector (10).
8. The exhaust gas treatment device according to claim 1, wherein: the outer wall that the both sides of sealed shell (6) are located intake pipe (5) all is provided with sealing washer (7), combustible gas detector (10) are fixed on the top of sealed shell (6).
9. The exhaust gas treatment device according to claim 1, wherein: the air outlet pipe (16) is in threaded connection with the threaded sleeve (24), and the buffer tank connecting pipe (25) is in threaded connection with the threaded sleeve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277748.5A CN111013347A (en) | 2019-12-11 | 2019-12-11 | Tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277748.5A CN111013347A (en) | 2019-12-11 | 2019-12-11 | Tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111013347A true CN111013347A (en) | 2020-04-17 |
Family
ID=70206558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911277748.5A Pending CN111013347A (en) | 2019-12-11 | 2019-12-11 | Tail gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111013347A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797726A (en) * | 2021-10-13 | 2021-12-17 | 湖北中硕环保有限公司 | Spray tower device capable of automatically replenishing alkali liquor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110251U (en) * | 1992-01-23 | 1992-07-15 | 沈锦华 | Automatic alarm shutoff apparatus for combustible gas leak |
| CN102743970A (en) * | 2012-08-08 | 2012-10-24 | 唐山三友集团兴达化纤有限公司 | Processing method and processing device of production waste gas containing hydrogen sulfide |
| CN103693626A (en) * | 2013-12-18 | 2014-04-02 | 安徽工业大学 | Method for preparing sodium hydrosulfide from hydrogen sulfide acid gas containing carbon dioxide |
| CN204352746U (en) * | 2014-12-11 | 2015-05-27 | 西安长庆科技工程有限责任公司 | A kind of skid-mounted containing H 2s acid gas process separatory alkali liquid tank |
| CN104826467A (en) * | 2014-02-10 | 2015-08-12 | 中国石油化工股份有限公司 | Process and system for producing sodium hydrosulfide from acidic gas |
| CN105233653A (en) * | 2015-10-13 | 2016-01-13 | 中国石油化工股份有限公司 | Hydrogen sulfide absorbing device |
| CN207614634U (en) * | 2017-12-13 | 2018-07-17 | 青岛市昌斯达环保科技有限公司 | A kind of acid waste gas collection and treatment device |
-
2019
- 2019-12-11 CN CN201911277748.5A patent/CN111013347A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110251U (en) * | 1992-01-23 | 1992-07-15 | 沈锦华 | Automatic alarm shutoff apparatus for combustible gas leak |
| CN102743970A (en) * | 2012-08-08 | 2012-10-24 | 唐山三友集团兴达化纤有限公司 | Processing method and processing device of production waste gas containing hydrogen sulfide |
| CN103693626A (en) * | 2013-12-18 | 2014-04-02 | 安徽工业大学 | Method for preparing sodium hydrosulfide from hydrogen sulfide acid gas containing carbon dioxide |
| CN104826467A (en) * | 2014-02-10 | 2015-08-12 | 中国石油化工股份有限公司 | Process and system for producing sodium hydrosulfide from acidic gas |
| CN204352746U (en) * | 2014-12-11 | 2015-05-27 | 西安长庆科技工程有限责任公司 | A kind of skid-mounted containing H 2s acid gas process separatory alkali liquid tank |
| CN105233653A (en) * | 2015-10-13 | 2016-01-13 | 中国石油化工股份有限公司 | Hydrogen sulfide absorbing device |
| CN207614634U (en) * | 2017-12-13 | 2018-07-17 | 青岛市昌斯达环保科技有限公司 | A kind of acid waste gas collection and treatment device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797726A (en) * | 2021-10-13 | 2021-12-17 | 湖北中硕环保有限公司 | Spray tower device capable of automatically replenishing alkali liquor |
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Application publication date: 20200417 |