CN111701429A - Stabilizer tail gas purification device - Google Patents
Stabilizer tail gas purification device Download PDFInfo
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- CN111701429A CN111701429A CN202010630901.4A CN202010630901A CN111701429A CN 111701429 A CN111701429 A CN 111701429A CN 202010630901 A CN202010630901 A CN 202010630901A CN 111701429 A CN111701429 A CN 111701429A
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- Prior art keywords
- tail gas
- section
- liquid
- demisting
- pipe
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 24
- 238000000746 purification Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 239000003513 alkali Substances 0.000 claims abstract description 50
- 239000002253 acid Substances 0.000 claims abstract description 45
- 238000005406 washing Methods 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 27
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 8
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 8
- 238000000889 atomisation Methods 0.000 claims abstract description 6
- 238000005554 pickling Methods 0.000 claims abstract description 5
- 230000001502 supplementing effect Effects 0.000 claims abstract description 5
- 230000008602 contraction Effects 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 10
- 229910021529 ammonia Inorganic materials 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 4
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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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
- B01D53/74—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
- B01D53/46—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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
-
- 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
-
- 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
- B01D53/79—Injecting reactants
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a tail gas purification device of a stabilizer, which comprises an acid washing section, a liquid breaking disc, an alkali washing section and a demisting section which are integrated in a cylinder; the pickling section is provided with a central pipe, and a tail gas inlet pipe and an acid liquid atomizing spray head are arranged above the central pipe; a spiral-flow plate demisting device is arranged in an annular space between the central tube and the barrel, an annular spraying device is arranged above the spiral-flow plate demisting device, and a spiral guide plate is arranged below the spiral-flow plate demisting device; one side of the cylinder below the spiral guide plate is provided with an acid supplementing port, a circulating liquid outlet and an ammonium sulfate solutionA liquid outlet; a plurality of air risers are arranged on the liquid breaking disc, and an alkali liquor outlet is arranged on the side surface of the cylinder body above the liquid breaking disc; an alkali liquor atomization nozzle is arranged in a barrel of the alkali washing section; the demister is arranged in the barrel of the demisting section, and the purified tail gas outlet is arranged at the top of the barrel. The ammonia in the tail gas is absorbed by the acid washing section and the H in the tail gas is absorbed by the alkali washing section in the same device2S, demisting the purified tail gas, and then sending the demisted tail gas to the tubular furnace for incineration, thereby avoiding corrosion of the furnace tube of the tubular furnace and enabling the tail gas to reach the standard for emission.
Description
Technical Field
The invention relates to the technical field of benzene hydrogenation process tail gas treatment, in particular to a stabilizer tail gas purification device.
Background
The stabilizer tower is a component of a benzene hydrogenation process system and has the function of removing H generated after hydrotreating2S、NH3The tail gas of the stabilizer contains H in the presence of impurities2S、NH3Besides impurities, it also contains H2、H2O, benzene series, etc.; the tail gas of the conventional stabilizer tower is generally sent to a flare system for combustion, but the tail gas contains H2S、NH3After combustion, the impurities are mixed to generate SO2And NOXSo that the tail gas emission after combustion can not meet the current environmental protection requirement; if the stabilizer tower tail gas is directly sent to a tube furnace for combustion, the corrosion of the furnace tube can be serious.
Disclosure of Invention
The invention provides a tail gas purification device of a stabilizer, which is characterized in that ammonia in tail gas is absorbed through an acid washing section and H in the tail gas is absorbed through an alkali washing section in the same device2And S, demisting the purified tail gas, and then sending the demisted tail gas to the tubular furnace for incineration, thereby avoiding corrosion of a furnace tube of the tubular furnace and enabling the tail gas to reach the standard for emission.
In order to achieve the purpose, the invention adopts the following technical scheme:
a stabilizer tail gas purification device comprises an acid washing section, a liquid breaking disc, an alkali washing section and a demisting section which are sequentially integrated in the same cylinder from bottom to top; a central pipe is arranged in the cylinder body of the pickling section, and a tail gas inlet pipe and an acid liquor atomization spray head are arranged above the central pipe; a spiral-flow plate demisting device is arranged in an annular space between the central tube and the barrel, an annular spraying device is arranged above the spiral-flow plate demisting device, and a spiral guide plate is arranged below the spiral-flow plate demisting device; an acid supplementing port, a circulating liquid outlet and an ammonium sulfate solution outlet are arranged on one side of the cylinder body below the spiral guide plate, wherein the circulating liquid outlet is connected with an acid liquor inlet pipe of an acid liquor atomizing spray head and a liquid inlet of the annular spraying device through an external circulating pipeline I; a plurality of air risers are arranged on the liquid breaking disc, and an alkali liquor outlet is arranged on the side surface of the cylinder body above the liquid breaking disc; an alkali liquor atomizing spray head is arranged in a barrel of the alkali washing section, and a liquid inlet of the alkali liquor atomizing spray head is connected with an alkali liquor outlet on one side above the liquid breaking disc through an external circulating pipeline II; a demister is arranged in the cylinder of the demisting section, and a demister cleaning spray head is arranged in the cylinder above the demister; and a purified tail gas outlet is formed in the top of the cylinder body.
The bottom of the cylinder body is provided with a bottom plate, the top of the cylinder body is provided with a spherical top plate, and a purified tail gas outlet is arranged in the middle of the spherical top plate.
The central tube consists of a contraction section at the upper part, a throat section at the middle part and an expansion section at the lower part, the contraction section, the throat section and the expansion section are coaxially arranged along a vertical axis, the diameter of an upper opening of the contraction section is larger than that of a lower opening, and the diameter of a lower opening of the expansion section is larger than that of the upper opening.
The acid liquor atomizing spray head is arranged right above the central tube contraction section.
The tail gas inlet pipe is formed by sequentially connecting a horizontal pipe section, a 90-degree elbow and a vertical pipe section, the horizontal pipe section penetrates through the side wall of the cylinder body and then is connected with the vertical pipe section through the 90-degree elbow, the center line of the vertical pipe section is overlapped with the center line of the central pipe, and the opening of the vertical pipe section faces downwards.
And an acid liquor circulating pump is arranged on the first external circulating pipeline.
And the second external circulating pipeline is provided with an alkali liquor tank and an alkali liquor circulating pump.
A plurality of gas risers on the liquid breaking disc are uniformly arranged, and a tooth-shaped cover is arranged at an opening at the top of each gas riser; the outer side of the air-lift pipe is provided with an inner cylinder body, and the upper edge of the air-lift pipe is higher than that of the inner cylinder body.
The cross section of the gas lift pipe is circular or polygonal, the tooth-shaped cover has a cross section shape matched with the gas lift pipe, and the bottom of the tooth-shaped cover is provided with a tooth-shaped structure.
The demister is a wire mesh demister, and a liquid inlet of the demister cleaning spray head is connected with a water pipe.
Compared with the prior art, the invention has the beneficial effects that:
1) the tail gas of the stabilizing tower is firstly subjected to acid washing in an acid washing section, and the acid washing section adopts a central pipe with a Venturi structure, so that the absorption efficiency is high, and the occupied space is small;
2) by arranging the liquid breaking disc, the absorption capacity is improved, and the absorption efficiency is improved;
3) in the alkaline washing section, alkali liquor is sprayed again through the atomizing spray head to fully absorb H in the tail gas2S；
4) The top of the cylinder body is provided with a demisting section, so that corrosive media are prevented from entering a tail gas combustion system (such as a tubular furnace) to corrode equipment;
5) the ammonium sulfate solution generated in the pickling section is sent to an ammonium sulfate unit for treatment, and no waste liquid is generated;
6) salt substances generated in the alkaline washing section are sent to an ammonia distillation unit for treatment, and no waste liquid is generated;
7) and a small amount of cleaning liquid generated in the demisting section directly enters the alkaline washing section below, and no waste liquid is generated.
Drawings
FIG. 1 is a schematic structural diagram of a stabilizer tail gas purification device according to the present invention.
In the figure: 1. the bottom plate 2, the cylinder 3, the central tube 4, the contraction section 5, the throat section 6, the expansion section 7, the tail gas inlet tube 8, the acid liquor inlet tube 9, the acid liquor atomization spray head 10, the rotational flow plate demisting device 11, the spiral flow plate 12, the annular spraying device 13, the acid supplementing port 14, the circulating liquid outlet 15, the ammonium sulfate solution outlet 16, the riser 17, the tooth-shaped cover 18, the liquid breaking disc 19, the inner cylinder 20, the alkali liquor outlet 21, the alkali liquor circulating pump 22, the alkali liquor tank 23, the alkali liquor atomization spray head 24, the demister 25, the acid liquor circulating pump 25
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, the stabilization tower tail gas purification device of the present invention comprises an acid washing section, a liquid breaking disc 18, an alkali washing section and a demisting section which are integrated in the same cylinder 2 from bottom to top in sequence; a central tube 3 is arranged in the cylinder body 2 of the pickling section, and a tail gas inlet tube 7 and an acid liquid atomizing spray head 9 are arranged above the central tube 3; a swirl plate demisting device 10 is arranged in an annular space between the central tube 3 and the barrel 2, an annular spraying device 12 is arranged above the swirl plate demisting device 10, and a spiral guide plate 11 is arranged below the swirl plate demisting device 10; an acid supplementing port 13, a circulating liquid outlet 14 and an ammonium sulfate solution outlet 15 are arranged on one side of the cylinder 2 below the spiral guide plate 11, wherein the circulating liquid outlet 14 is connected with an acid liquor inlet pipe 8 of the acid liquor atomizing spray head 9 and a liquid inlet of the annular spraying device 12 through an external circulating pipeline I; a plurality of air risers 16 are arranged on the liquid breaking disc 18, and an alkali liquor outlet 20 is arranged on the side surface of the cylinder body 2 above the liquid breaking disc 18; an alkali liquor atomizing nozzle 23 is arranged in the barrel 2 of the alkali washing section, and a liquid inlet of the alkali liquor atomizing nozzle 23 is connected with an alkali liquor outlet 20 on one side above the liquid breaking disc 18 through an external circulating pipeline II; a demister 24 is arranged in the cylinder 2 of the demisting section, and a demister cleaning spray head is arranged in the cylinder 2 above the demister 24; and a purified tail gas outlet is formed in the top of the cylinder body 2.
The bottom of the cylinder body is provided with a bottom plate, the top of the cylinder body is provided with a spherical top plate, and a purified tail gas outlet is arranged in the middle of the spherical top plate.
The central tube 3 is composed of a contraction section 4 at the upper part, a throat section 5 at the middle part and an expansion section 6 at the lower part, the contraction section 4, the throat section 5 and the expansion section 6 are coaxially arranged along a vertical axis, the diameter of an upper opening of the contraction section 4 is larger than that of a lower opening, and the diameter of a lower opening of the expansion section 6 is larger than that of the upper opening.
The acid liquor atomizing spray head 9 is arranged right above the contraction section 4 of the central tube 3.
The tail gas inlet pipe 7 is formed by sequentially connecting a horizontal pipe section, a 90-degree elbow and a vertical pipe section, the horizontal pipe section penetrates through the side wall of the barrel body 2 and then is connected with the vertical pipe section through the 90-degree elbow, the center line of the vertical pipe section is overlapped with the center line of the central pipe 3, and the opening of the vertical pipe section faces downwards.
An acid liquor circulating pump 25 is arranged on the first external circulating pipeline.
And the second external circulating pipeline is provided with a lye tank 22 and a lye circulating pump 21.
A plurality of gas risers 16 on the liquid breaking disc 18 are uniformly arranged, and a tooth-shaped cover 17 is arranged at an opening at the top of the gas risers 16; an inner cylinder 19 is arranged on the outer side of the air lift pipe 16, and the upper edge of the air lift pipe 16 is higher than the upper edge of the inner cylinder 19.
The cross section of the gas lift pipe 16 is circular or polygonal, the tooth-shaped cover 17 has a cross section shape matched with the gas lift pipe 16, and the bottom of the tooth-shaped cover 17 is provided with a tooth-shaped structure.
The demister 24 is a wire mesh demister, and a liquid inlet of the demister cleaning spray head is connected with a water pipe.
The working process of the stabilizing tower tail gas purification device is as follows: the acid washing section is filled with acid liquid (such as dilute sulfuric acid), after the alkali washing section and the alkali liquid tank 22 are filled with alkali liquid respectively, an acid liquid circulating pump 25 and an alkali liquid circulating pump 21 are started, the acid liquid is sprayed through the acid liquid atomizing nozzle 9, and the alkali liquid is sprayed through the alkali liquid atomizing nozzle 23. The liquid breaking disc 18 receives alkali liquor, and after the space between the air rising pipe 16 and the inner cylinder 19 is filled with the alkali liquor, the alkali liquor flows to the liquid breaking disc 18 outside the inner cylinder 19 through the inner cylinder 19.
After acid liquor and alkali liquor are normally sprayed circularly, the tail gas of the stabilizing tower is introduced into the cylinder body 2, and the tail gas of the stabilizing tower is firstly subjected to acid cleaning in an acid cleaning section to remove NH3The ammonium sulfate solution absorbing a large amount of ammonia flows out from the ammonium sulfate solution outlet 15 and is sent to an ammonium sulfate unit for treatment. The acid liquor at the bottom of the cylinder 2 is pumped out by an acid liquor circulating pump 25 and is respectively sent to the acid liquor atomizing spray head 9 and the annular spraying device 12 for recycling.
The tail gas of the stabilizer tower rises after being acid-washed, enters the space above the liquid breaking disc 18 through the gas lift pipe 16, reacts with alkali liquor filled between the gas lift pipe 16 and the inner cylinder 19, and part of H2S is absorbed, and as the air risers 16 on the liquid breaking disc 18 are uniformly arranged, the tail gas of the stabilizing tower which is uniformly distributed after passing through the air risers 16 contacts with the alkali liquor sprayed by the alkali liquor atomizing spray head 23 and continues to be absorbed, after the absorption process is finished, the alkali liquor which is absorbed by the alkali washing section and contains a large amount of salt substances is sent to the ammonia distillation unit for treatment, or enters the alkali liquor tank 22 and then is pumped out by the alkali liquor circulating pump 21 and sent to the alkali liquor atomizing spray head 23.
The tail gas of the stabilizer after acid washing and alkali washing purification is finally treated by a demisting section 24 to remove liquid carried in the gas, so that corrosive media carried in the tail gas are reduced to the maximum extent, the stable operation of subsequent equipment is ensured, and the purified tail gas of the stabilizer is sent into a hydrogenation furnace for incineration. When the demisting section 24 is blocked, the demisting section cleaning spray head is opened, the demisting section 24 is cleaned by clear water, and the cleaning solution directly enters the alkaline washing section.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A stabilizer tail gas purification device is characterized by comprising an acid washing section, a liquid breaking disc, an alkali washing section and a demisting section which are sequentially integrated in the same cylinder from bottom to top; a central pipe is arranged in the cylinder body of the pickling section, and a tail gas inlet pipe and an acid liquor atomization spray head are arranged above the central pipe; a spiral-flow plate demisting device is arranged in an annular space between the central tube and the barrel, an annular spraying device is arranged above the spiral-flow plate demisting device, and a spiral guide plate is arranged below the spiral-flow plate demisting device; an acid supplementing port, a circulating liquid outlet and an ammonium sulfate solution outlet are arranged on one side of the cylinder body below the spiral guide plate, wherein the circulating liquid outlet is connected with an acid liquor inlet pipe of an acid liquor atomizing spray head and a liquid inlet of the annular spraying device through an external circulating pipeline I; a plurality of air risers are arranged on the liquid breaking disc, and an alkali liquor outlet is arranged on the side surface of the cylinder body above the liquid breaking disc; an alkali liquor atomizing spray head is arranged in a barrel of the alkali washing section, and a liquid inlet of the alkali liquor atomizing spray head is connected with an alkali liquor outlet on one side above the liquid breaking disc through an external circulating pipeline II; a demister is arranged in the cylinder of the demisting section, and a demister cleaning spray head is arranged in the cylinder above the demister; and a purified tail gas outlet is formed in the top of the cylinder body.
2. The stabilizer tower tail gas purification device according to claim 1, wherein a bottom plate is arranged at the bottom of the cylinder, a spherical top plate is arranged at the top of the cylinder, and a purified tail gas outlet is arranged in the middle of the spherical top plate.
3. The stabilizer tower tail gas purification device according to claim 1, wherein the central tube is composed of an upper contraction section, a middle throat section and a lower expansion section, the contraction section, the throat section and the expansion section are coaxially arranged along a vertical axis, the diameter of an upper opening of the contraction section is larger than that of a lower opening, and the diameter of a lower opening of the expansion section is larger than that of the upper opening.
4. The stabilizer column tail gas purification device according to claim 1, wherein the acid liquor atomization spray head is arranged right above the central tube contraction section.
5. The stabilizer tower tail gas purification device according to claim 1, wherein the tail gas inlet pipe is formed by sequentially connecting a horizontal pipe section, a 90-degree elbow and a vertical pipe section, the horizontal pipe section penetrates through the side wall of the cylinder body and then is connected with the vertical pipe section through the 90-degree elbow, the center line of the vertical pipe section is overlapped with the center line of the central pipe, and the opening of the vertical pipe section faces downwards.
6. The stabilizer tower tail gas purification device according to claim 1, wherein an acid liquor circulating pump is arranged on the external circulating pipeline.
7. The stabilizer tower tail gas purification device according to claim 1, wherein a lye tank and a lye circulating pump are provided on the second external circulating pipeline.
8. The stabilizer tower tail gas purification device according to claim 1, wherein a plurality of gas risers on the liquid-breaking disc are uniformly arranged, and a tooth-shaped cover is arranged at the top opening of each gas riser; the outer side of the air-lift pipe is provided with an inner cylinder body, and the upper edge of the air-lift pipe is higher than that of the inner cylinder body.
9. The stabilizer tower tail gas purification device according to claim 1, wherein the cross-sectional shape of the draft tube is circular or polygonal, the tooth-shaped cover has a cross-sectional shape matched with the draft tube, and the bottom of the tooth-shaped cover is provided with a tooth-shaped structure.
10. The stabilizer tower tail gas purification device according to claim 1, wherein the demister is a wire mesh demister, and a liquid inlet of a demister cleaning spray head is connected with a water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010630901.4A CN111701429A (en) | 2020-07-03 | 2020-07-03 | Stabilizer tail gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010630901.4A CN111701429A (en) | 2020-07-03 | 2020-07-03 | Stabilizer tail gas purification device |
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| Publication Number | Publication Date |
|---|---|
| CN111701429A true CN111701429A (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010630901.4A Pending CN111701429A (en) | 2020-07-03 | 2020-07-03 | Stabilizer tail gas purification device |
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| CN (1) | CN111701429A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831003A (en) * | 2014-03-07 | 2014-06-04 | 中冶焦耐工程技术有限公司 | Regenerated tail gas purification combined tower |
| CN104906935A (en) * | 2015-05-29 | 2015-09-16 | 中冶焦耐工程技术有限公司 | Acid-making tail gas purification process and acid-making tail gas purification device |
| CN205627598U (en) * | 2016-05-09 | 2016-10-12 | 福建爱美环保科技有限公司 | Venturi desulfurizing tower |
| CN108404639A (en) * | 2018-04-28 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of relieving haperacidity exhaust gas cleaner and technique |
| CN209917597U (en) * | 2019-04-25 | 2020-01-10 | 广元揽山环保科技有限公司 | Embedded combined downstream absorption tower with low energy consumption and high mass transfer efficiency |
| CN110835558A (en) * | 2019-12-06 | 2020-02-25 | 中冶焦耐(大连)工程技术有限公司 | Coal gas cleaner for cleaning coal dust entrained in coal gas |
| CN212492327U (en) * | 2020-07-03 | 2021-02-09 | 中冶焦耐(大连)工程技术有限公司 | Stabilizer tail gas purification device |
-
2020
- 2020-07-03 CN CN202010630901.4A patent/CN111701429A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831003A (en) * | 2014-03-07 | 2014-06-04 | 中冶焦耐工程技术有限公司 | Regenerated tail gas purification combined tower |
| CN104906935A (en) * | 2015-05-29 | 2015-09-16 | 中冶焦耐工程技术有限公司 | Acid-making tail gas purification process and acid-making tail gas purification device |
| CN205627598U (en) * | 2016-05-09 | 2016-10-12 | 福建爱美环保科技有限公司 | Venturi desulfurizing tower |
| CN108404639A (en) * | 2018-04-28 | 2018-08-17 | 中冶焦耐(大连)工程技术有限公司 | A kind of relieving haperacidity exhaust gas cleaner and technique |
| CN209917597U (en) * | 2019-04-25 | 2020-01-10 | 广元揽山环保科技有限公司 | Embedded combined downstream absorption tower with low energy consumption and high mass transfer efficiency |
| CN110835558A (en) * | 2019-12-06 | 2020-02-25 | 中冶焦耐(大连)工程技术有限公司 | Coal gas cleaner for cleaning coal dust entrained in coal gas |
| CN212492327U (en) * | 2020-07-03 | 2021-02-09 | 中冶焦耐(大连)工程技术有限公司 | Stabilizer tail gas purification device |
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