CN109999603A - A kind of device and method reducing wet scrubbing wet flue gas temperature and water content - Google Patents
A kind of device and method reducing wet scrubbing wet flue gas temperature and water content Download PDFInfo
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- CN109999603A CN109999603A CN201910287111.8A CN201910287111A CN109999603A CN 109999603 A CN109999603 A CN 109999603A CN 201910287111 A CN201910287111 A CN 201910287111A CN 109999603 A CN109999603 A CN 109999603A
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- flue gas
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000003546 flue gas Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005200 wet scrubbing Methods 0.000 title claims abstract description 17
- 239000000498 cooling water Substances 0.000 claims abstract description 18
- 239000002826 coolant Substances 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 230000000704 physical effect Effects 0.000 abstract description 2
- 108091006146 Channels Proteins 0.000 abstract 2
- 102000010637 Aquaporins Human genes 0.000 abstract 1
- 108010063290 Aquaporins Proteins 0.000 abstract 1
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
-
- 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
- B01D53/002—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 condensation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- 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
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
A kind of equipment reducing wet scrubbing wet flue gas temperature and water content, medium channel is made of sequentially connected intermediate water pot, cooling-water machine, pipe type vane group and hollow fold-line-shaped blade group inboard channel, water circulating pump is provided between intermediate water pot and cooling-water machine, water-inlet header is provided between cooling-water machine and pipe type vane group, intermediate header is provided between pipe type vane group and hollow fold-line-shaped blade group, the hollow fold-line-shaped blade group other side is connected with out water manifold, water manifold connects intermediate water pot by circulation line out, constitutes circulation path；Flue gas access is made of pipe type vane group and hollow fold-line-shaped blade group outboard channel.Collect the droplet separated in flue gas by the physical action of pipe type vane and hollow broken line blade, 5 DEG C of flue-gas temperature or more can be reduced, flue gas water content is set to be less than 60g/kg (dry flue gas), the < 50mg/Nm3 of amount containing drop, to solve the problems, such as that " misty rain, plume " occurs in discharge process in wet flue gas.
Description
Technical field
The invention belongs to atmospheric environment protection technical fields, are related to fume treatment technology, and in particular to a kind of reduction wet process
Wash the device and method of wet flue gas temperature and water content.
Background technique
Currently, China's fire coal class equipment, includes the treating tail gas such as boiler of power plant, the kiln in non-power generating field, waste heat boiler
Capital construction finishes engineering, wherein accounting for 85% or more using flue gas wet scrubbing Processing tecchnics, technology is graduallyd mature.But
It is that, by the follow-up investigation to flue gas wet process administration project in recent years, discovery is general by long-term running wet scrubbing technique
Wet flue gas parameter is as follows after store-through washing: 50 DEG C of flue-gas temperature or so, flue gas water content 87g/kg (dry flue gas), the > of amount containing drop
There is " misty rain, plume " phenomenon in discharge process in 75mg/Nm3, pollutes to atmospheric environment.
Summary of the invention
There is " misty rain, plume " phenomenon for traditional wet flue gas in discharge process and proposes a kind of novel reduction in the present invention
The device and method of wet scrubbing wet flue gas temperature and water content.
In order to achieve the above object, the present invention is realized using following technical solutions:
A kind of equipment reducing wet scrubbing wet flue gas temperature and water content, including medium channel and flue gas access,
The medium channel is by sequentially connected intermediate water pot, cooling-water machine, pipe type vane group and hollow fold-line-shaped blade group inside
Access composition, wherein described
Intermediate water pot: for storing circulating cooling medium,
Cooling-water machine: being used for cooling cycle cooling medium,
Pipe type vane group and hollow fold-line-shaped blade group: for providing the heat exchange place of flue gas and circulating cooling medium,
Water circulating pump is provided between the intermediate water pot and cooling-water machine, be provided between the cooling-water machine and pipe type vane group into
Water manifold is provided with intermediate header, the hollow fold-line-shaped blade between the pipe type vane group and hollow fold-line-shaped blade group
The group other side is connected with out water manifold, and the water manifold out passes through circulation line and connects intermediate water pot, constitutes circulation path；
The flue gas access is made of pipe type vane group and hollow fold-line-shaped blade group outboard channel.
Preferably, the pipe type vane group is distributed using parallel stagger arrangement, pipe type vane group is arranged in hollow fold-line-shaped leaf
Piece group upstream, the hollow fold-line-shaped blade group are distributed using parallel in-line, and the blade of hollow fold-line-shaped blade group has three to sentence
On curve a little.
Preferably, the pipe type vane group and hollow fold-line-shaped blade group are provided with flushing pipeline and atomizer.
Preferably, the medium channel and flue gas access heat exchange mode are cross-flow heat exchange.
Preferably, the circulating cooling medium being stored in intermediate water pot sequentially enters pipe type vane after cooling-water machine is cooling
On the inside of group and hollow fold-line-shaped blade group, while wet flue gas flows through outside pipe type vane group and hollow fold-line-shaped blade group, so that
Low-temperature circulating cooling medium and wet flue gas realize indirect heat exchange, and wet flue gas temperature and water capacity reduce, and part vapor is precipitated；It is wet
Flue gas collision, reunion, film forming under inertia force effect, realize the gas-liquid separation of flue gas.
Preferably, circulating cooling medium temperature < 15 DEG C in intermediate water pot.
Preferably, the circulating cooling medium is softened water or demineralized water.
Compared with prior art, the advantages and positive effects of the present invention are:
The present invention solves wet flue gas temperature by cooling reduce, and reduces Gas phase Smoke to water capacity.By pipe type vane and hollow
The physical action of broken line blade collects the droplet separated in flue gas, can reduce by 5 DEG C of flue-gas temperature or more, keep flue gas aqueous
Amount is less than 60g/kg (dry flue gas), the < 50mg/Nm3 of amount containing drop, so that solve wet flue gas " cigarette occurs in discharge process
Rain, plume " problem.
Detailed description of the invention
Fig. 1 is present device flowage structure schematic diagram.
Each appended drawing reference are as follows: 1. intermediate water tank, 2. water circulating pump, 3. cooling-water machine, 4. inlet header, 5. pipe type vane 6.
7. 9. flushing pipeline of hollow 8. outlet header of fold-line-shaped blade, 10 nozzle of intermediate header, 11 pipe valve component.
Specific embodiment
To better understand the objects, features and advantages of the present invention, right combined with specific embodiments below
The present invention is described further.It should be noted that in the absence of conflict, the spy in embodiments herein and embodiment
Sign can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other modes described herein are different from, therefore, the present invention is not limited to the specific of specification is described below
The limitation of embodiment.
Embodiment 1, as shown in Figure 1, the present embodiment provides the equipment for reducing wet scrubbing wet flue gas temperature and water content and
Method detailed step.
Reduce wet scrubbing wet flue gas temperature and water content equipment, including intermediate water pot 1, water circulating pump 2, cooling-water machine 3,
Water-inlet header 4, pipe type vane group 5, intermediate header 6, hollow fold-line-shaped blade 7, go out water manifold 8, flushing pipeline 9 and nozzle 10 with
And the equal components of pipe valve component 11.Water effluent journey: cooling medium successively sequentially passes through intermediate water pot 1, water circulating pump 2, cold water
Machine 4, water-inlet header 5, pipe type vane 6, intermediate header 7, hollow fold-line-shaped blade 7, water manifold 8 returns intermediate water pot 1 out.Cigarette
Gas side process: wet flue gas is perpendicular through first passing through pipe type vane group 5, then passes through hollow fold-line-shaped blade group 7, flue gas and low temperature cold
But medium indirect heat exchange, heat exchanger can use level stream or vertical flow arrangement according to flow of flue gas direction.Configure blade surface
Rinse-system prevents heat-transfer surface assembly surface fouling.
Intermediate water pot 1 is for storing circulating cooling medium；Cooling medium uses closed cycle；Cooling-water machine 3 is used for cooling system
Circulatory mediator in system manufactures water at low temperature；Cooling medium walks heat-exchanging component blade interior, and wet flue gas is walked outside heat-exchanging component blade
Portion, with cooling cryogenic media and wet flue gas by heat exchange group indirect heat exchange, wet flue gas temperature is reduced, and water capacity reduces, and is precipitated
Part vapor；Wet flue gas by it is arranged in parallel curve blade group, under inertia force effect, by collision, reunion, at
Film, the final gas-liquid separation for realizing flue gas；Flushing pipeline and atomizer are set, atomization flushing can be carried out to blade surface, is prevented
Only blade surface fouling.
Wherein, cooling medium is cooling by cooling-water machine 3；Blade uses pipe type vane 5 and hollow fold-line-shaped blade 7；By into
Water manifold 4, pipe type vane 5, intermediate header 6, hollow fold-line-shaped blade 7 and out water manifold 8 constitute heat exchange group；By parallel stagger arrangement pipe
Piece and hollow fold-line-shaped blade arranged in parallel are constituted curves channel more, and blade has curving a little more than at three；Blade setting punching
Wash pipeline.The flushing pipeline rinsed upwards is set on the downside of pipe type vane, atomizer 10 is installed on pipeline, under broken line blade
Upward downward flushing pipeline simultaneously is arranged in side, installs atomizer on pipeline, flushing water uses common water source, inlet pressure
0.2-0.3MPa。
The method for reducing wet scrubbing wet flue gas temperature and water content, includes the following steps: to be stored in intermediate water pot 1
Circulating cooling medium sequentially enters 7 inside of pipe type vane group 5 and hollow fold-line-shaped blade group after cooling-water machine 3 is cooling, while wet
Flue gas flows through outside pipe type vane group 5 and hollow fold-line-shaped blade group 7, so that between low-temperature circulating cooling medium and wet flue gas are realized
Heat exchange is connect, wet flue gas temperature and water capacity reduce, and part vapor is precipitated；Wet flue gas inertia force effect under collision, reunite, at
Film realizes the gas-liquid separation of flue gas.Wherein, circulating cooling medium temperature < 15 DEG C in intermediate water pot 1.
After flue gas gas-liquid separation processing, flue-gas temperature makes flue gas water content reduce 22g/kg by 50 DEG C near 44.3 DEG C
(dry flue gas), the < of amount containing drop 50mg/Nm3.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
It imitates embodiment and is applied to other fields, but without departing from the technical solutions of the present invention, according to the technical essence of the invention
Any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the protection scope of technical solution of the present invention.
Claims (7)
1. a kind of equipment for reducing wet scrubbing wet flue gas temperature and water content, it is characterised in that, including medium channel and flue gas
Access,
The medium channel is by sequentially connected intermediate water pot, cooling-water machine, pipe type vane group and hollow fold-line-shaped blade group inside
Access composition, wherein described
Intermediate water pot: for storing circulating cooling medium,
Cooling-water machine: being used for cooling cycle cooling medium,
Pipe type vane group and hollow fold-line-shaped blade group: for providing the heat exchange place of flue gas and circulating cooling medium,
Water circulating pump is provided between the intermediate water pot and cooling-water machine, be provided between the cooling-water machine and pipe type vane group into
Water manifold is provided with intermediate header, the hollow fold-line-shaped blade between the pipe type vane group and hollow fold-line-shaped blade group
The group other side is connected with out water manifold, and the water manifold out passes through circulation line and connects intermediate water pot, constitutes circulation path；
The flue gas access is made of pipe type vane group and hollow fold-line-shaped blade group outboard channel.
2. the equipment according to claim 1 for reducing wet scrubbing wet flue gas temperature and water content, it is characterised in that, institute
It states pipe type vane group to be distributed using parallel stagger arrangement, pipe type vane group is arranged in hollow fold-line-shaped blade group upstream, the hollow folding
Linear blade group is distributed using parallel in-line, and the blade of hollow fold-line-shaped blade group has curving a little more than at three.
3. the equipment according to claim 1 or 2 for reducing wet scrubbing wet flue gas temperature and water content, it is characterised in that,
The pipe type vane group and hollow fold-line-shaped blade group are provided with flushing pipeline and atomizer.
4. the equipment according to claim 1 for reducing wet scrubbing wet flue gas temperature and water content, it is characterised in that, institute
Medium channel and flue gas access heat exchange mode are stated as cross-flow heat exchange.
5. the method that equipment according to claim 1 or claim 2 reduces wet scrubbing wet flue gas temperature and water content, feature exist
In the circulating cooling medium being stored in intermediate water pot sequentially enters pipe type vane group and hollow fold-line-shaped after cooling-water machine is cooling
On the inside of blade group, while wet flue gas flows through outside pipe type vane group and hollow fold-line-shaped blade group, is situated between so that low-temperature circulating is cooling
Matter and wet flue gas realize indirect heat exchange, and wet flue gas temperature and water capacity reduce, and part vapor is precipitated；Wet flue gas is in inertia masterpiece
With lower collision, reunite, film forming, realizes the gas-liquid separation of flue gas.
6. reducing the method for wet scrubbing wet flue gas temperature and water content according to claim 5, which is characterized in that intermediate water
Circulating cooling medium temperature < 15 DEG C in tank.
7. reducing the method for wet scrubbing wet flue gas temperature and water content according to claim 5, which is characterized in that described to follow
Ring cooling medium is softened water or demineralized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287111.8A CN109999603A (en) | 2019-04-11 | 2019-04-11 | A kind of device and method reducing wet scrubbing wet flue gas temperature and water content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287111.8A CN109999603A (en) | 2019-04-11 | 2019-04-11 | A kind of device and method reducing wet scrubbing wet flue gas temperature and water content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109999603A true CN109999603A (en) | 2019-07-12 |
Family
ID=67170949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910287111.8A Pending CN109999603A (en) | 2019-04-11 | 2019-04-11 | A kind of device and method reducing wet scrubbing wet flue gas temperature and water content |
Country Status (1)
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| CN (1) | CN109999603A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040047773A1 (en) * | 2001-06-21 | 2004-03-11 | Masaya Kato | So3 separating and removing equipment for flue gas |
| CN105999755A (en) * | 2016-05-12 | 2016-10-12 | 西安热工研究院有限公司 | Cooling wet-desulphurization smoke demisting device |
| CN205867942U (en) * | 2016-08-03 | 2017-01-11 | 国电科学技术研究院 | Coal fired power plant prevents jam and prevents wet flue gas dehumidification water saving system of scale deposit |
| CN207785984U (en) * | 2017-11-24 | 2018-08-31 | 武汉凯迪电力环保有限公司 | A kind of wet flue gas condensation demisting eliminating white smoke device |
| CN109185910A (en) * | 2018-08-16 | 2019-01-11 | 天津大学 | A kind of flue gas dehumidifying and water recovery method using the cooling cooling supply of indirect evaporation type |
| CN109224727A (en) * | 2018-11-08 | 2019-01-18 | 大唐环境产业集团股份有限公司 | A kind of board-like cloud cooperation-removal flue gas condenser |
| CN208436605U (en) * | 2018-05-22 | 2019-01-29 | 湖南宏福环保股份有限公司 | A kind of three-stage flue gas takes off white system |
| CN210057794U (en) * | 2019-04-11 | 2020-02-14 | 通用技术集团工程设计有限公司 | Equipment for reducing temperature and water content of wet flue gas in wet washing |
-
2019
- 2019-04-11 CN CN201910287111.8A patent/CN109999603A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040047773A1 (en) * | 2001-06-21 | 2004-03-11 | Masaya Kato | So3 separating and removing equipment for flue gas |
| CN105999755A (en) * | 2016-05-12 | 2016-10-12 | 西安热工研究院有限公司 | Cooling wet-desulphurization smoke demisting device |
| CN205867942U (en) * | 2016-08-03 | 2017-01-11 | 国电科学技术研究院 | Coal fired power plant prevents jam and prevents wet flue gas dehumidification water saving system of scale deposit |
| CN207785984U (en) * | 2017-11-24 | 2018-08-31 | 武汉凯迪电力环保有限公司 | A kind of wet flue gas condensation demisting eliminating white smoke device |
| CN208436605U (en) * | 2018-05-22 | 2019-01-29 | 湖南宏福环保股份有限公司 | A kind of three-stage flue gas takes off white system |
| CN109185910A (en) * | 2018-08-16 | 2019-01-11 | 天津大学 | A kind of flue gas dehumidifying and water recovery method using the cooling cooling supply of indirect evaporation type |
| CN109224727A (en) * | 2018-11-08 | 2019-01-18 | 大唐环境产业集团股份有限公司 | A kind of board-like cloud cooperation-removal flue gas condenser |
| CN210057794U (en) * | 2019-04-11 | 2020-02-14 | 通用技术集团工程设计有限公司 | Equipment for reducing temperature and water content of wet flue gas in wet washing |
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