CN111841283A - AS tail gas washing device and method - Google Patents
AS tail gas washing device and method Download PDFInfo
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- CN111841283A CN111841283A CN202010755999.6A CN202010755999A CN111841283A CN 111841283 A CN111841283 A CN 111841283A CN 202010755999 A CN202010755999 A CN 202010755999A CN 111841283 A CN111841283 A CN 111841283A
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- washing
- tail gas
- washing section
- storage tank
- liquid
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- 238000005406 washing Methods 0.000 title claims abstract description 203
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 117
- 239000007921 spray Substances 0.000 claims abstract description 52
- 238000003860 storage Methods 0.000 claims abstract description 52
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 31
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 31
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 238000004821 distillation Methods 0.000 claims abstract description 11
- 239000003595 mist Substances 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 19
- 239000006260 foam Substances 0.000 claims description 10
- 238000005201 scrubbing Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
Classifications
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Abstract
The invention relates to the technical field of tail gas treatment, in particular to an AS tail gas washing device and method. Comprises a first washing section, a second washing section, a storage tank and a washing liquid pipeline; the first washing section and the second washing section are fixedly connected to a storage tank barrel, a circulating pump is arranged on a washing liquid pipeline, a spraying pipe of the washing liquid pipeline extends into the first washing section, a large-caliber spray head is fixedly connected to the end part of the spraying pipe, the spraying direction is vertical upwards, a tail gas inlet is arranged at the top of the first washing section, and the flowing direction of the tail gas is vertical downwards; a spray pipe of the cleaning solution pipeline extends into the second washing section, an atomizing spray head is fixedly connected to the end part of the spray pipe, the spraying direction is vertically downward, a tail gas outlet is arranged at the top of the second washing section, and the flowing direction of the tail gas is vertically upward; and the tail gas and the washing liquid in the first washing section and the second washing section form gas-liquid two-phase countercurrent collision. The ammonia water used for washing the corrosive medium is recycled by the cooling and washing effects of the ammonia water, and the high-concentration ammonia water is sent to a deacidification and ammonia distillation working section, so that the corrosion of an ammonia water system is reduced.
Description
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to an AS tail gas washing device and method.
Background
The AS desulfurization process is one of the common processes in coking production, and tail gas in the process flow cannot be directly discharged into the atmosphere and needs to enter a raw gas pipeline in front of a primary cooler for circulating operation. Because this tail gas temperature is high, when directly getting into the raw coke oven gas pipeline, can influence the mobile state of gas-liquid mixture in the pipeline, consequently set up the tail gas cooler on inhaling the gas pipeline usually, utilize the aqueous ammonia to spray cooling tail gas, the aqueous ammonia gets back to the ammonia groove.
Because the tail gas may contain impurities such as SO2, SO3, NO2 and the like, the impurities are washed by the ammonia water through spraying of the ammonia water, corrosive media in the coal gas are reduced, but free acid in the ammonia water exists, and the ammonia water returns to the ammonia water tank, SO that the whole ammonia water system is corroded.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an AS tail gas washing device and method. The ammonia water used for washing the corrosive medium is recycled by the cooling and washing effects of the ammonia water, and the high-concentration ammonia water is sent to a deacidification and ammonia distillation working section, so that the corrosion of an ammonia water system is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
an AS tail gas washing device comprises a first washing section, a second washing section, a storage tank and a washing liquid pipeline; the first washing section and the second washing section are fixedly connected to a storage tank barrel, a circulating pump is arranged on a washing liquid pipeline, a spraying pipe of the washing liquid pipeline extends into the first washing section, a large-caliber spray head is fixedly connected to the end part of the spraying pipe, the spraying direction is vertical upwards, a tail gas inlet is arranged at the top of the first washing section, and the flowing direction of the tail gas is vertical downwards; a spray pipe of the cleaning solution pipeline extends into the second washing section, an atomizing spray head is fixedly connected to the end part of the spray pipe, the spraying direction is vertically downward, a tail gas outlet is arranged at the top of the second washing section, and the flowing direction of the tail gas is vertically upward; and the tail gas and the washing liquid in the first washing section and the second washing section form gas-liquid two-phase countercurrent collision.
The first washing section comprises a first washing section end socket, a first washing section cylinder, a tail gas inlet and a large-caliber spray head; the first washing section cylinder is vertically and fixedly connected to the storage tank cylinder, the first washing section end socket is fixedly connected to the top of the first washing section cylinder, and the tail gas inlet is fixedly connected to the top of the first washing section end socket.
The second washing section comprises a second washing section end socket, a second washing section cylinder, a tail gas outlet, a mist capturing device and an atomizing spray head; the second washing section cylinder is vertically and fixedly connected to the storage tank cylinder, the second washing section end socket is fixedly connected to the top of the second washing section cylinder, and the tail gas outlet is fixedly connected to the top of the second washing section end socket; the mist catching device is provided with a cleaning spray head, and the mist catching device is arranged in the second washing section cylinder and is positioned above the atomizing spray head.
The storage tank comprises a storage tank end socket, a storage tank barrel, a supplementary washing liquid inlet, a washing liquid outlet, a high-concentration washing liquid outlet and a middle partition plate; the storage tank barrel is transversely placed, the storage tank sealing heads are fixedly connected to two sides of the storage tank barrel, the supplementary washing liquid inlet and the washing liquid outlet are fixedly connected to the sealing head on one side, the high-concentration washing liquid outlet is fixedly connected to the sealing head on the other side, and the middle partition plate is fixedly connected to the middle inside the storage tank barrel.
And the high-concentration washing liquid outlet is connected with the deacidification ammonia distillation unit.
And the washing liquid in the washing liquid pipeline adopts ammonia water, and the supplementary washing liquid comes from an ammonia water system.
The first washing section, the second washing section, the storage tank and the washing liquid pipeline are all made of stainless steel materials.
An AS tail gas washing method specifically comprises the following steps:
1) introducing washing liquid from a supplementary washing liquid inlet, introducing the washing liquid into one side of a middle partition plate of the storage tank, starting a circulating pump when the set circulating amount is reached, and starting the circulation of the washing liquid in the whole system comprising a large-caliber spray head and an atomizing spray head;
2) after tail gas enters the first washing section through the tail gas inlet, the tail gas and the large-caliber spray head washing liquid form gas-liquid two-phase counter-current collision, when the momentum of the gas-liquid two phases reaches balance, a foam area with gas-liquid two phases in close contact is generated, the foam area is a strong turbulent motion area, the specific surface area of the liquid is large and is rapidly updated, the temperature of the tail gas is effectively reduced, and the washing efficiency is high;
3) after filling the middle partition space of the storage tank with the washing liquid, automatically flowing into the space on the other side, separating solid particles and the washing liquid of high-concentration corrosive medium from the space on the other side, and entering a deacidification ammonia distillation unit;
4) and after the gas enters the second washing section through a middle partition plate of the storage tank, the gas is upwards contacted with the washing liquid of the atomizing spray head in a reverse direction to remove corrosive media in the tail gas, and the liquid carried in the gas is removed through the mist catching device. And when the mist catching device is blocked, the cleaning spray head is opened to clean the mist catching device.
Compared with the prior art, the invention has the beneficial effects that:
1) the tail gas and the washing liquid in the first washing section form gas-liquid two-phase counter-current collision, when the momentum of the gas-liquid two phases reaches balance, a foam area in which the gas-liquid two phases are in close contact is generated, the foam area is a strong turbulent area, the specific surface area of the liquid is large and is updated rapidly, the temperature of the tail gas is effectively reduced, and the washing efficiency is high.
2) The large-caliber spray head can allow the circulating liquid to have higher solid content, is anti-blocking and high in reliability, and reduces the maintenance and overhaul.
3) And in the second washing section, an atomizing spray head is adopted to spray washing liquid, so that corrosive media are fully removed.
4) And a fog catching device is added to prevent corrosive media from entering a gas system.
The invention reduces the temperature and washes the ammonia water, washes the ammonia water of the corrosive medium to recycle, the high concentration ammonia water is sent to the deacidification ammonia distillation section, reduces the corrosion of the ammonia water system.
Drawings
FIG. 1 is a schematic diagram of the structure and process of the present invention.
In the figure: 1-first washing section end socket 2-first washing section cylinder 3-tail gas inlet 4-large-caliber spray head 5-second washing section end socket 6-second washing section cylinder 7-spray pipe 8-atomization spray head 9-mist catching device 10-tail gas outlet 11-storage tank end socket 12-storage tank cylinder 13-supplementary washing liquid inlet 14-washing liquid outlet 15-high-concentration washing liquid outlet 16-middle partition 17-circulating pump
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
example (b):
AS shown in fig. 1, an AS tail gas scrubbing apparatus includes a first scrubbing section, a second scrubbing section, a storage tank, and a scrubbing liquid pipeline. The first washing section, the second washing section, the storage tank and the washing liquid pipeline are all made of stainless steel.
The first washing section comprises a first washing section end socket 1, a first washing section cylinder 2, a tail gas inlet 3 and a large-caliber spray head 4; the first washing section end socket 1 is fixedly connected to the top of the first washing section cylinder 2, and the tail gas inlet 3 is fixedly connected to the top of the first washing section end socket 1. A spray pipe 7 of the cleaning solution pipeline extends into the first cleaning section cylinder 2, and a large-caliber spray head 4 is fixedly connected to the end part of the spray pipe 7. The spraying direction of the large-diameter spray head 4 is vertical upwards, the flowing direction of the tail gas is vertical downwards, and the tail gas and the washing liquid form gas-liquid two-phase counter-current collision.
The second washing section comprises a second washing section end enclosure 5, a second washing section cylinder 6, a tail gas outlet 10, a mist catching device 9 and an atomizing spray head 8. The second washing section end enclosure 5 is fixedly connected to the top of the second washing section cylinder 6, and the tail gas outlet 10 is fixedly connected to the top of the second washing section end enclosure 5. The mist catching device 9 is provided with a cleaning spray head, and the mist catching device 9 is arranged in the second washing section cylinder 6 and is positioned above the atomizing spray head 8. When the mist catching device 9 is blocked, the cleaning nozzle is opened, and the mist catching device 9 can be cleaned. A spray pipe 7 of a washing liquid pipeline extends into the second washing section cylinder 6, an atomizing nozzle 8 is fixedly connected to the end of the spray pipe 7, the spraying direction is vertically downward, a tail gas outlet 10 is formed in the top of the second washing section, the flowing direction of tail gas is vertically upward, and the tail gas and the washing liquid form gas-liquid two-phase counter-current collision.
The storage tank comprises a storage tank sealing head 11, a storage tank cylinder 12, a supplementary washing liquid inlet 13, a washing liquid outlet 14, a high-concentration washing liquid outlet 15 and a middle partition plate 16. The storage tank cylinder 12 is transversely arranged, the two storage tank seal heads 11 are respectively and fixedly connected with two ends of the storage tank cylinder 12, the supplementary washing liquid inlet 13 and the washing liquid outlet 14 are fixedly connected on the storage tank seal head 11 on the right side of the storage tank cylinder 12, the high-concentration washing liquid outlet 15 is fixedly connected on the storage tank seal head 11 on the left side of the storage tank cylinder 12, and the middle partition plate 16 is fixedly connected in the middle inside the storage tank cylinder 12. The high-concentration washing liquid outlet 15 is connected with a deacidification ammonia distillation unit.
The first washing section cylinder 2 is fixedly connected on the storage tank cylinder 12 and is positioned on the left side of the middle partition plate 16, and the second washing section cylinder 6 is fixedly connected on the storage tank cylinder 12 and is positioned on the right side of the middle partition plate 16. High concentration washing liquid export 15 links to each other with deacidification ammonia distillation unit, and washing liquid export 14 links to each other with the washing liquid pipeline, and the washing liquid in the washing liquid pipeline adopts the aqueous ammonia, and supplementary washing liquid entry 13 links to each other with the aqueous ammonia system, and supplementary washing liquid comes from the aqueous ammonia system.
An AS tail gas washing method specifically comprises the following steps:
1) opening a valve for replenishing washing liquid, introducing the washing liquid from a replenishing washing liquid inlet 13, introducing the washing liquid to the right side of a middle partition plate 16 of the storage tank, starting a circulating pump 17 when a set circulating amount is reached, wherein the whole system comprises a large-caliber spray head 4 and an atomizing spray head 8, and the circulation of the washing liquid is started;
2) after tail gas enters the first washing section through the tail gas inlet 3, the tail gas and the washing liquid of the large-caliber spray head 4 form gas-liquid two-phase counter-current collision, when the momentum of the gas-liquid two phases reaches balance, a foam area with the gas-liquid two phases in close contact is generated, the foam area is a strong turbulent area, the specific surface area of the liquid is large and is rapidly updated, the temperature of the tail gas is effectively reduced, and the washing efficiency is high;
3) the washing liquid enters the left space of the middle partition plate 16 of the storage tank, flows into the right space after filling the left space of the middle partition plate 16, and the washing liquid with solid particles and high-concentration corrosive media separated from the left space enters the deacidification ammonia distillation unit;
4) after passing through the second washing section of the intermediate partition plate 16 of the storage tank, the gas is upwards contacted with the washing liquid of the atomizer 8 in a reverse direction to remove corrosive media in tail gas, and liquid carried in the gas is removed through the mist catching device 9, so that the corrosive media in the gas are reduced, and the stable operation of the subsequent gas purification is ensured. . When the mist catching device 9 is blocked, the cleaning nozzle is opened to clean the mist catching device 9.
The tail gas and the washing liquid in the first washing section form gas-liquid two-phase counter-current collision, when the momentum of the gas-liquid two phases reaches balance, a foam area in which the gas-liquid two phases are in close contact is generated, the foam area is a strong turbulent area, the specific surface area of the liquid is large and is updated rapidly, the temperature of the tail gas is effectively reduced, and the washing efficiency is high. The large-caliber spray head 4 can allow the circulating liquid to have higher solid content, is anti-blocking and high in reliability, and reduces the maintenance and overhaul. And in the second washing section, an atomizing spray head 8 is adopted to spray washing liquid, so that corrosive media are fully removed. And a mist catching device 9 is added to prevent corrosive media from entering a gas system.
The invention reduces the temperature and washes the ammonia water, washes the ammonia water of the corrosive medium to recycle, the high concentration ammonia water is sent to the deacidification ammonia distillation section, reduces the corrosion of the ammonia water system.
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 (9)
1. The AS tail gas washing device is characterized in that: comprises a first washing section, a second washing section, a storage tank and a washing liquid pipeline; the first washing section and the second washing section are fixedly connected to a storage tank barrel, a circulating pump is arranged on a washing liquid pipeline, a spraying pipe of the washing liquid pipeline extends into the first washing section, a large-caliber spray head is fixedly connected to the end part of the spraying pipe, the spraying direction is vertical upwards, a tail gas inlet is arranged at the top of the first washing section, and the flowing direction of the tail gas is vertical downwards; a spray pipe of the cleaning solution pipeline extends into the second washing section, an atomizing spray head is fixedly connected to the end part of the spray pipe, the spraying direction is vertically downward, a tail gas outlet is arranged at the top of the second washing section, and the flowing direction of the tail gas is vertically upward; and the tail gas and the washing liquid in the first washing section and the second washing section form gas-liquid two-phase countercurrent collision.
2. The AS tail gas scrubbing device of claim 1, wherein: the first washing section comprises a first washing section end socket, a first washing section cylinder, a tail gas inlet and a large-caliber spray head; the first washing section cylinder is vertically and fixedly connected to the storage tank cylinder, the first washing section end socket is fixedly connected to the top of the first washing section cylinder, and the tail gas inlet is fixedly connected to the top of the first washing section end socket.
3. The AS tail gas scrubbing device of claim 1, wherein: the second washing section comprises a second washing section end socket, a second washing section cylinder, a tail gas outlet, a mist capturing device and an atomizing spray head; the second washing section cylinder is vertically and fixedly connected to the storage tank cylinder, the second washing section end socket is fixedly connected to the top of the second washing section cylinder, and the tail gas outlet is fixedly connected to the top of the second washing section end socket; the mist catching device is provided with a cleaning spray head, and the mist catching device is arranged in the second washing section cylinder and is positioned above the atomizing spray head.
4. The AS tail gas scrubbing device of claim 1, wherein: the storage tank comprises a storage tank end socket, a storage tank barrel, a supplementary washing liquid inlet, a washing liquid outlet, a high-concentration washing liquid outlet and a middle partition plate; the storage tank barrel is transversely placed, the storage tank end sockets are fixedly connected to two ends of the storage tank barrel, the supplementing washing liquid inlet and the washing liquid outlet are fixedly connected to the end socket on one side, the high-concentration washing liquid outlet is fixedly connected to the end socket on the other side, and the middle partition plate is fixedly connected to the middle inside the storage tank barrel.
5. The AS tail gas scrubbing device of claim 4, wherein: and the high-concentration washing liquid outlet is connected with the deacidification ammonia distillation unit.
6. The AS tail gas scrubbing device of claim 1, wherein: and the washing liquid in the washing liquid pipeline adopts ammonia water, and the supplementary washing liquid comes from an ammonia water system.
7. The AS tail gas scrubbing device of claim 1, wherein: the first washing section, the second washing section, the storage tank and the washing liquid pipeline are all made of stainless steel materials.
8. An AS tail gas washing method based on the AS tail gas washing device of claim 1, 2, 3, 4, 5, 6 or 7, which is characterized by comprising the following steps:
1) introducing washing liquid from a supplementary washing liquid inlet, introducing the washing liquid into one side of a middle partition plate of the storage tank, starting a circulating pump when the set circulating amount is reached, wherein the whole system comprises a large-caliber spray head and an atomizing spray head, and the washing liquid starts to circulate;
2) after tail gas enters the first washing section through the tail gas inlet, the tail gas and the large-caliber spray head washing liquid form gas-liquid two-phase counter-current collision, when the momentum of the gas-liquid two phases reaches balance, a foam area with gas-liquid two phases in close contact is generated, the foam area is a strong turbulent motion area, the specific surface area of the liquid is large and is rapidly updated, the temperature of the tail gas is effectively reduced, and the washing efficiency is high;
3) after filling the space of the middle partition plate of the storage tank with the washing liquid, the washing liquid automatically flows into the space on the other side, and the washing liquid with solid particles and high-concentration corrosive media separated from the space on the other side enters the deacidification ammonia distillation unit;
4) and after the gas enters the second washing section through a middle partition plate of the storage tank, the gas is upwards contacted with the washing liquid of the atomizing spray head in a reverse direction to remove corrosive media in the tail gas, and the liquid carried in the gas is removed through the mist catching device.
9. The AS tail gas washing method according to claim 8, wherein when the mist capturing device is blocked in the step 4, the cleaning nozzle is opened to clean the mist capturing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010755999.6A CN111841283A (en) | 2020-07-31 | 2020-07-31 | AS tail gas washing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010755999.6A CN111841283A (en) | 2020-07-31 | 2020-07-31 | AS tail gas washing device and method |
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| Publication Number | Publication Date |
|---|---|
| CN111841283A true CN111841283A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010755999.6A Pending CN111841283A (en) | 2020-07-31 | 2020-07-31 | AS tail gas washing device and method |
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| CN (1) | CN111841283A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07204458A (en) * | 1994-01-21 | 1995-08-08 | Babcock Hitachi Kk | Wet exhaust gas desulfurizing method and apparatus |
| CN201361520Y (en) * | 2008-10-31 | 2009-12-16 | 六合天融（北京）环保科技有限公司 | Turbulence desulfurization tower for wet flue gas desulfurization |
| CN201807279U (en) * | 2010-10-13 | 2011-04-27 | 中国石油化工股份有限公司 | High-efficiency flue gas dust-removal desulfurization device |
| CN202823161U (en) * | 2012-09-19 | 2013-03-27 | 浙江蓝天求是环保集团有限公司 | U-shaped combined wet desulphurization device |
| CN111346479A (en) * | 2020-03-16 | 2020-06-30 | 上海化工研究院有限公司 | Marine diesel engine waste gas foam washing cooling dust removal desulfurization integrated device |
| CN212492329U (en) * | 2020-07-31 | 2021-02-09 | 中冶焦耐(大连)工程技术有限公司 | AS tail gas washing device |
-
2020
- 2020-07-31 CN CN202010755999.6A patent/CN111841283A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07204458A (en) * | 1994-01-21 | 1995-08-08 | Babcock Hitachi Kk | Wet exhaust gas desulfurizing method and apparatus |
| CN201361520Y (en) * | 2008-10-31 | 2009-12-16 | 六合天融（北京）环保科技有限公司 | Turbulence desulfurization tower for wet flue gas desulfurization |
| CN201807279U (en) * | 2010-10-13 | 2011-04-27 | 中国石油化工股份有限公司 | High-efficiency flue gas dust-removal desulfurization device |
| CN202823161U (en) * | 2012-09-19 | 2013-03-27 | 浙江蓝天求是环保集团有限公司 | U-shaped combined wet desulphurization device |
| CN111346479A (en) * | 2020-03-16 | 2020-06-30 | 上海化工研究院有限公司 | Marine diesel engine waste gas foam washing cooling dust removal desulfurization integrated device |
| CN212492329U (en) * | 2020-07-31 | 2021-02-09 | 中冶焦耐(大连)工程技术有限公司 | AS tail gas washing device |
Non-Patent Citations (1)
| Title |
|---|
| 宋华岭等: "《煤矿循环经济复杂系统评价与实证研究》", 西南交通大学出版社, pages: 115 - 116 * |
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