CN111359420A - Deacidifying, cooling, water-saving and dedusting integrated device and working method thereof - Google Patents
Deacidifying, cooling, water-saving and dedusting integrated device and working method thereof Download PDFInfo
- Publication number
- CN111359420A CN111359420A CN202010319532.7A CN202010319532A CN111359420A CN 111359420 A CN111359420 A CN 111359420A CN 202010319532 A CN202010319532 A CN 202010319532A CN 111359420 A CN111359420 A CN 111359420A
- Authority
- CN
- China
- Prior art keywords
- water
- flue gas
- area
- cooling
- slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- B01D53/77—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
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Abstract
The invention relates to a deacidification cooling water-saving dedusting integrated device, which comprises a reaction tower, wherein a smoke inlet is formed in a smoke inlet area; the slurry spraying area is provided with a slurry spraying pipe; the water collecting area is provided with a water collecting disc; the spray cooling area is provided with a water mist spray pipe; the demisting zone is provided with a demister; and the smoke outlet area is provided with a smoke outlet. A working method of the integrated device for deacidification, cooling, water saving and dust removal comprises the following steps: step S10, introducing the flue gas into a cooling tower, spraying slurry by a slurry spraying pipe to deacidify the flue gas, and reducing the temperature of the flue gas to 65-75 ℃; step S20, enabling deacidified flue gas to pass through a water mist spraying pipe, and reducing the temperature of the flue gas to 40-50 ℃ after the flue gas passes through the water mist spraying pipe; and step S30, demisting the flue gas by a demister and then discharging the flue gas. Can reduce the water consumption of the deacidification system, maintain the water balance of the deacidification system, reduce the waste water discharge and reduce the operating cost.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a deacidification, cooling, water-saving and dust-removal integrated device and a working method thereof.
Background
With the deep advance of industrialization in China, the quantity of garbage is increased rapidly. The increase of industrial garbage makes the environmental pollution problem become more serious day by day, the garbage pollution becomes the biggest destruction factor in the human living environment, the state encourages to adopt the technical means of energy regeneration and resource utilization, and recycles the energy and resources in the sludge as far as possible, and the oxygen-enriched side-blown smelting process is a mature and reliable method for the industrial application of treating the electroplating sludge at present.
In the sludge drying process, certain sulfur dioxide, hydrogen chloride, dust and the like can be generated, and meanwhile, because the sludge contains more organic matters, certain irritant peculiar smell can be generated in the sludge drying process, and a proper deodorization system is required. The flue gas at the outlet of the smelting furnace has high temperature and high sulfur-containing concentration, contains trace amount of dioxin, has serious toxicity of dioxin substances, has enrichment in organisms and great harm, and can cause serious pollution to the surrounding ecological environment if proper prevention and control measures are not selected.
The method is characterized in that both the dried flue gas and the smelting flue gas have high water content (40-50% V/V), contain sulfur, have high smoke concentration, have complex components and the like, the dried flue gas needs deodorization, the smelting flue gas needs dioxin removal, although the conventional activated carbon injection can meet certain requirements, higher requirements cannot be met, an activated carbon device needs to be added after deacidification and dedusting, the temperature of the waste gas is generally required to be lower than 55 ℃, the relative humidity of the flue gas is lower, but the temperature of the flue gas after wet deacidification is about 70 ℃, so that the temperature of the flue gas is required to be reduced firstly and then increased to ensure that the requirements of the activated carbon device are met.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the deacidification cooling water-saving dedusting integrated device and the working method thereof are provided, and the problem that the flue gas after wet deacidification can not meet the operation requirements of a subsequent activated carbon device in the prior art is solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a deacidification cooling water-saving dedusting integrated device comprises a reaction tower, wherein a smoke inlet area, a slurry spraying area, a water collecting area, a spray cooling area, a demisting area and a smoke outlet area are sequentially arranged in a tower cavity of the reaction tower from the right to the top;
the smoke inlet area is provided with a smoke inlet; the slurry spraying area is provided with a slurry spraying pipe; the water collecting area is provided with a water collecting disc; the spray cooling area is provided with a water mist spray pipe; the demisting zone is provided with a demister; and the smoke outlet area is provided with a smoke outlet.
Further, a slurry pool is arranged below the smoke inlet area, the slurry pool is communicated with the slurry spraying pipe through a first pipeline, and a slurry circulating pump is arranged on the first pipeline.
Further, deacidifying cooling water conservation dust removal integrated device still includes circulation tank, circulation tank's water inlet and water-collecting tray pipeline intercommunication, circulation tank's delivery port is through second pipeline and water smoke shower intercommunication, set up circulating water pump on the second pipeline.
Furthermore, a cleaning pipe is arranged on one side of the demisting area, and a nozzle of the cleaning pipe is arranged towards the demister.
On the other hand, the working method of the deacidification, cooling, water saving and dust removal integrated device comprises the following steps:
step S10, introducing the flue gas into a cooling tower, spraying slurry by a slurry spraying pipe to deacidify the flue gas, and reducing the temperature of the flue gas to 65-75 ℃;
step S20, enabling deacidified flue gas to pass through a water mist spraying pipe, and reducing the temperature of the flue gas to 40-50 ℃ after the flue gas passes through the water mist spraying pipe;
and step S30, demisting the flue gas by a demister, and then discharging the flue gas to perform activated carbon adsorption.
The invention has the beneficial effects that:
according to the integrated device for deacidification, cooling, water saving and dust removal and the working method thereof, the deacidification, dust removal, cooling and water saving of the flue gas are effectively combined, the temperature of the deacidified flue gas is reduced to 40 ℃ from about 70 ℃, the water consumption of a deacidification system can be reduced, the water balance of the deacidification system is maintained, the wastewater discharge is reduced, the operation cost is reduced, the efficient and stable operation of a subsequent active carbon device is ensured, the adsorption efficiency of the active carbon device is improved, and the service life of the active carbon device is prolonged.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of an integrated deacidification, cooling, water-saving and dust-removing device according to the present invention;
the system comprises a slurry pool 1, a flue gas inlet 2, a slurry spraying pipe 3, a water collecting tray 4, a water mist spraying pipe 5, a demister 6, a flue gas outlet 7, a slurry circulating pump 8, a circulating water tank 9, a circulating water pump 10 and a circulating water pump.
Detailed Description
The invention will now be further described with reference to specific examples. These drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example one
As shown in figure 1, the deacidification cooling water-saving dedusting integrated device comprises a reaction tower, wherein a smoke inlet area, a slurry spraying area, a water collecting area, a spray cooling area, a demisting area and a smoke outlet area are sequentially arranged in a tower cavity of the reaction tower from bottom to top.
The smoke inlet area is provided with a smoke inlet 2; the slurry spraying area is provided with a slurry spraying pipe 3; the water collecting area is provided with a water collecting disc 4; the spray cooling area is provided with a water mist spraying pipe 5; the demisting zone is provided with a demister 6; the smoke outlet area is provided with a smoke outlet 7.
Specifically, in this embodiment, in order to recycle the slurry sprayed from the slurry spray pipe 3 more preferably, the slurry tank 1 is provided below the smoke inlet region, the slurry tank 1 is communicated with the slurry spray pipe 3 through a first pipeline, and the first pipeline is provided with the slurry circulation pump 8. The slurry sprayed by the slurry spraying pipe 3 is used for deacidifying the flue gas.
Specifically, in this embodiment, the deacidification cooling water conservation dust removal integrated device still includes circulation tank 9, circulation tank 9's water inlet and water-collecting tray 4 pipeline intercommunication, circulation tank 9's delivery port is through second pipeline and water smoke shower 5 intercommunication, set up circulating water pump 10 on the second pipeline.
Specifically, in this embodiment, a cleaning pipe is disposed on one side of the defogging region, and a nozzle of the cleaning pipe is disposed toward the defogger 6.
The water cooled by the water mist spraying pipes 5, the washing water of the demister 6 and the condensed water of the flue gas flow to the water collecting tray 4 and then enter the circulating water tank 9, and the water in the circulating water tank 9 is used by the water mist spraying pipes 5.
In this embodiment, the slurry spray pipe 3, the water collecting tray 4, the cleaning pipe, the water mist spray pipe 5 and the demister 6 are commercially available products, and the working principle and the specific structure can be known by the skilled person, which is not described herein.
The invention provides a deacidification cooling water-saving dedusting integrated device, wherein flue gas enters a reaction tower through a flue gas inlet 2, slurry sprayed from a slurry spraying pipe 3 in the reaction tower is deacidified and then passes through a water collecting tray 4, the slurry is sprayed and cooled by a water mist spraying pipe 5 and then enters a demister 6 for demisting, and the demisted slurry is discharged from a flue gas outlet 7. The lower part in the reaction tower is provided with a slurry pool 1, and a slurry circulating pump 8 pumps slurry from the slurry pool 1 of the reaction tower into a slurry spraying layer. The temperature of the flue gas is about 70 ℃ after the flue gas passes through the slurry spraying layer, and the temperature is reduced to 45 ℃ by utilizing the spray cooling layer. The scavenge pipe is used for washing defroster 6, and water, defroster 6 washing water and the flue gas comdenstion water that water collection tray 4 were used for collecting the spray cooling layer and get off, and the water that collects gets down gets into circulation tank 9, gets into water collection tray 4 cyclic utilization through circulating water pump 10.
Example two
Based on the first deacidification, cooling, water saving and dust removal integrated device, the working method of the deacidification, cooling, water saving and dust removal integrated device is provided, and the method comprises the following steps:
step S10, introducing the flue gas into a cooling tower, and spraying slurry by a slurry spraying pipe 3 to deacidify the flue gas, wherein the temperature of the flue gas is reduced to 65-75 ℃; the temperature is reduced to 70 ℃;
step S20, the deacidified flue gas passes through a water mist spraying pipe 5, and the temperature of the flue gas is reduced to 40-50 ℃ after the flue gas passes through the water mist spraying pipe; the temperature is reduced to 450 ℃;
and step S30, demisting the flue gas by a demister 6, and then discharging the flue gas for activated carbon adsorption.
The flue gas deacidification, dust removal, cooling and water saving are effectively combined in the reaction tower, the water consumption of a deacidification system can be reduced, the water balance of the deacidification system is maintained, the wastewater discharge is reduced, the operation cost is reduced, the efficient and stable operation of a follow-up activated carbon device is ensured, the adsorption efficiency of the activated carbon device is improved, and the service life of the activated carbon device is prolonged.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A deacidification cooling water-saving dedusting integrated device is characterized by comprising a reaction tower, wherein a smoke inlet area, a slurry spraying area, a water collecting area, a spray cooling area, a demisting area and a smoke outlet area are sequentially arranged in a tower cavity of the reaction tower from bottom to top;
the smoke inlet area is provided with a smoke inlet; the slurry spraying area is provided with a slurry spraying pipe; the water collecting area is provided with a water collecting disc; the spray cooling area is provided with a water mist spray pipe; the demisting zone is provided with a demister; and the smoke outlet area is provided with a smoke outlet.
2. The integrated deacidification, cooling, water saving and dedusting device according to claim 1, wherein a slurry tank is arranged below the smoke inlet area, the slurry tank is communicated with a slurry spraying pipe through a first pipeline, and a slurry circulating pump is arranged on the first pipeline.
3. The integrated deacidification, cooling, water saving and dedusting device according to claim 1, further comprising a circulating water tank, wherein a water inlet of the circulating water tank is communicated with a water collecting tray pipeline, a water outlet of the circulating water tank is communicated with a water spray spraying pipe through a second pipeline, and a circulating water pump is arranged on the second pipeline.
4. The integrated deacidification, cooling, water saving and dedusting device as claimed in claim 1, wherein a cleaning pipe is arranged at one side of the demisting zone, and a nozzle of the cleaning pipe is arranged towards the demister.
5. An operating method adopting the deacidification, cooling, water saving and dust removal integrated device as defined in any one of claims 1 to 4, which is characterized by comprising the following steps:
step S10, introducing the flue gas into a cooling tower, spraying slurry by a slurry spraying pipe to deacidify the flue gas, and reducing the temperature of the flue gas to 65-75 ℃;
step S20, enabling deacidified flue gas to pass through a water mist spraying pipe, and reducing the temperature of the flue gas to 40-50 ℃ after the flue gas passes through the water mist spraying pipe;
and step S30, demisting the flue gas by a demister, and then discharging the flue gas to perform activated carbon adsorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319532.7A CN111359420A (en) | 2020-04-22 | 2020-04-22 | Deacidifying, cooling, water-saving and dedusting integrated device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319532.7A CN111359420A (en) | 2020-04-22 | 2020-04-22 | Deacidifying, cooling, water-saving and dedusting integrated device and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111359420A true CN111359420A (en) | 2020-07-03 |
Family
ID=71199738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010319532.7A Withdrawn CN111359420A (en) | 2020-04-22 | 2020-04-22 | Deacidifying, cooling, water-saving and dedusting integrated device and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111359420A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764584A (en) * | 2012-08-14 | 2012-11-07 | 中电投远达环保工程有限公司 | Efficient wet type electrostatic-precipitation desulfurization system and process thereof |
| EP3100781A1 (en) * | 2015-06-01 | 2016-12-07 | RUDIS poslovno zdruzenje za inzeniring in izgradnjo objekov d.o.o. | Process and apparatus for high performance flue gas cleaning |
| CN106215679A (en) * | 2016-09-23 | 2016-12-14 | 北京国电龙源环保工程有限公司 | A kind of multistage washing wet flue gas pollutant efficient removal integrated apparatus and method |
| CN106861354A (en) * | 2017-03-07 | 2017-06-20 | 永康市常青环保科技有限公司 | A kind of condensation method water saving wet desulfurizer |
| CN207401298U (en) * | 2017-09-12 | 2018-05-25 | 北京琪玥环保科技股份有限公司 | Dedusting and desulfurizing tower |
| CN109224825A (en) * | 2018-09-26 | 2019-01-18 | 北京清新环境技术股份有限公司 | A kind of boiler smoke condensable particulate matter removal collaboration heat recovery system |
| CN209630917U (en) * | 2019-01-18 | 2019-11-15 | 浙江蓝天求是环保股份有限公司 | A kind of wet process of FGD depth disappears white system |
| CN212017374U (en) * | 2020-04-22 | 2020-11-27 | 上海环境工程设计研究院有限公司 | Deacidifying cooling water conservation dust removal integrated device |
-
2020
- 2020-04-22 CN CN202010319532.7A patent/CN111359420A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764584A (en) * | 2012-08-14 | 2012-11-07 | 中电投远达环保工程有限公司 | Efficient wet type electrostatic-precipitation desulfurization system and process thereof |
| EP3100781A1 (en) * | 2015-06-01 | 2016-12-07 | RUDIS poslovno zdruzenje za inzeniring in izgradnjo objekov d.o.o. | Process and apparatus for high performance flue gas cleaning |
| CN106215679A (en) * | 2016-09-23 | 2016-12-14 | 北京国电龙源环保工程有限公司 | A kind of multistage washing wet flue gas pollutant efficient removal integrated apparatus and method |
| CN106861354A (en) * | 2017-03-07 | 2017-06-20 | 永康市常青环保科技有限公司 | A kind of condensation method water saving wet desulfurizer |
| CN207401298U (en) * | 2017-09-12 | 2018-05-25 | 北京琪玥环保科技股份有限公司 | Dedusting and desulfurizing tower |
| CN109224825A (en) * | 2018-09-26 | 2019-01-18 | 北京清新环境技术股份有限公司 | A kind of boiler smoke condensable particulate matter removal collaboration heat recovery system |
| CN209630917U (en) * | 2019-01-18 | 2019-11-15 | 浙江蓝天求是环保股份有限公司 | A kind of wet process of FGD depth disappears white system |
| CN212017374U (en) * | 2020-04-22 | 2020-11-27 | 上海环境工程设计研究院有限公司 | Deacidifying cooling water conservation dust removal integrated device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103830986A (en) | Integrated dust removal-purification device and purification method of stationary diesel engine system | |
| CN212017374U (en) | Deacidifying cooling water conservation dust removal integrated device | |
| CN204841412U (en) | High -efficient biological deodorization device of integration | |
| CN108096969A (en) | A kind of tail gas photooxidation method for cracking treatment based on vaporizing oil-gas purification techniques | |
| CN205269314U (en) | Hydrochloric acid regenerating unit vent gas treatment system in | |
| CN204891567U (en) | Difficult degradation stench waste gas fenton oxidation advanced treatment unit | |
| CN210934439U (en) | Printing and dyeing effluent water sump foul smell exhaust gas treatment system | |
| CN103446851B (en) | Recovery and purification device and method for phosphoric acid from tail gases generated in chemical method activated carbon production process | |
| CN206950955U (en) | Burning power plant gas cleaning wet scrubber tower | |
| CN205586780U (en) | High -efficient thorough desulfurization dusting tower | |
| CN111359420A (en) | Deacidifying, cooling, water-saving and dedusting integrated device and working method thereof | |
| CN203886369U (en) | Integrated dust extraction and purification device for stationary diesel engine system | |
| CN207085657U (en) | A kind of desulfurizing tower | |
| CN101927125A (en) | Dual-circulation absorption tower | |
| CN214182369U (en) | Color-coated organic waste gas treatment device | |
| CN212523615U (en) | Water-saving and white-removing device for sulfur dioxide in zinc oxide removal flue gas | |
| CN204816094U (en) | Waste water waste gas combined cycle of spraying paint integration processing system | |
| CN204469523U (en) | A kind of industrial foul waste gas purifier | |
| CN209173737U (en) | A kind of biological treatment exhaust device | |
| CN201848191U (en) | Waste gas treatment device | |
| CN210874781U (en) | Deoxidizing device for volatile organic compound gas | |
| CN205640942U (en) | Dedicated energy -saving tail gas processing apparatus of thermal power machine | |
| CN104874288A (en) | Kiln tail gas treatment method | |
| CN204114975U (en) | A kind of waste heat of boiler tail gas reclaims desulfurizer | |
| CN201204494Y (en) | Environment protection type generator set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200703 |