CN106362538A - Wet flue gas dehumidification and emission reduction device - Google Patents
Wet flue gas dehumidification and emission reduction device Download PDFInfo
- Publication number
- CN106362538A CN106362538A CN201610879420.0A CN201610879420A CN106362538A CN 106362538 A CN106362538 A CN 106362538A CN 201610879420 A CN201610879420 A CN 201610879420A CN 106362538 A CN106362538 A CN 106362538A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- wet flue
- header
- water
- plate
- 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.)
- Pending
Links
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
- B01D53/002—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
-
- 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
- B01D47/05—Separating dispersed particles from gases, air or vapours by liquid as separating agent by condensation of the separating agent
-
- 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
Abstract
The invention provides a wet flue gas dehumidification and emission reduction device, which is characterized by comprising a shell, wherein a wet flue gas inlet and a wet flue gas outlet are formed in the side face of the shell; a heat exchange tube is arranged in the shell. The wet flue gas dehumidification and emission reduction device provided by the invention has better corrosion resistance and heat transfer performance, and can be used for cooling saturated wet flue gas in a desulfurizing tower and condensing water vapor in the saturated wet flue gas. Dust, gypsum, soluble salt and other pollutants in the flue gas can be attached to the tube wall of the heat exchange tube during a water vapor condensation process and can flow down along with condensate water, and the condensate water and the pollutants are collected at the bottom part of the device, so that the aims of energy conservation, environmental protection and water conservation are achieved.
Description
Technical field
The invention belongs to electric power energy-saving, field of Environment Protection, particularly to a kind of dehumidifying of wet flue gas, emission reduction device.
Background technology
China's environmental pollution is very serious at present, and the fume emission environmental pollution in thermal power plant has bounden duty
Appoint.Flue gas due to discharging from desulfuration absorbing tower is saturation wet flue gas, when through downstream flue and chimney, can condense out to the cold
Water simultaneously dissolves multiple acidic materials, causes cold end corrosion to downstream flue and chimney.In addition, in the wet flue gas of chimney breast, by
Temperature decrease when discharging chimney, can condense out a large amount of drops rapidly near chimney breast, and settles around chimney, due to
In this drop, the product Gypsum Fibrosum containing wet desulphurization, is commonly called as " gypsum rain ", and this wet flue gas directly discharge generation by chimney
" gypsum rain " pollution of surrounding can be caused.The method commonly used at present is to heat wet flue gas to solve " gypsum rain " problem,
Substantial amounts of heat energy so can be consumed, Power Plant in China while environmental protection, the also responsibility of huge energy saving.If
Saturation wet flue gas can be cooled down before being discharged into air, the water vapor condensation in saturation wet flue gas be reclaimed, will significantly subtract
Heat the heat of wet flue gas less, play the effect of energy-conservation；Simultaneously by the dust in condensed water and condensed water, Gypsum Fibrosum, soluble-salt
Get up Deng contaminant collecting, huge energy conservation and environmental protection benefit can be produced.
The saturation wet flue gas that desulfuration absorbing tower is discharged have very strong corrosivity it is impossible to manufacture this using ordinary metallic material
Class dehumidifying, emission reduction device.It is thus desirable to exploitation is a kind of and there is very strong corrosion resistant, the wet flue gas dehumidifying of good heat-transfer, reduce discharging
Device.
Content of the invention
It is an object of the invention to effectively improving power plant for energy conservation, Environmental Protection Level, a kind of corrosion resistance of exploitation is strong, heat transfer property
Good wet flue gas dehumidify, emission reduction device.
In order to achieve the above object, the invention provides a kind of wet flue gas dehumidifying emission reduction device is it is characterised in that include shell
Body, the side of housing is provided with wet flue gas import and wet flue gas outlet, is provided with heat exchanger tube in housing.
Preferably, the material of described heat exchanger tube is titanium or titanium alloy.
It is highly preferred that described housing adopts two phase stainless steel material.
Preferably, the upside of described housing is provided with top header tank, and the downside of housing is provided with bottom head case, heat exchanger tube
Top in the header tank of top, in bottom head case, heat exchanger tube connects water inlet header and water outlet for the bottom of heat exchanger tube
, in the header tank of top, water inlet header and water outlet header connect cooling water inlet respectively for header, water inlet header and water outlet header
Pipe and cooling water outlet pipe.
It is highly preferred that the material of described water inlet header, water outlet header, cooling water outlet pipe and cooling water inlet pipe is titanium
Or titanium alloy.
It is highly preferred that being provided with least one in described housing for the middle water collecting pipe plate collecting condensed water, heat exchanger tube
Through middle water collecting pipe plate, middle water collecting pipe plate connects layering collector pipe, and layering collector pipe connects bottom condensate water and collects water pipe,
Bottom condensate water is collected water pipe and is located on the downside of bottom head case and is connected with bottom head case.
It is highly preferred that described housing includes upper end plate, lower end plate and housing side plate, the upper end of housing side plate connects
Upper end plate, lower end connects lower end plate, is provided with housing support tube, housing support tube is located at upper end plate and lower end in housing
Between plate, the same upper end plate of housing support tube, middle water collecting pipe plate and lower end plate are welded.
It is highly preferred that described top header tank includes top end socket roof box and on the downside of the end socket roof box of top
And the top header tank side plate being connected with top end socket roof box.
It is highly preferred that described top end socket roof box is titanium rustless steel explosive clad plate, titanium rustless steel explosive clad plate
Stainless steel layer welded with top header tank side plate, titanium layer is welded with intake header and water outlet header.
It is highly preferred that be provided with described top header tank header support fixed plate, water inlet header and water outlet header located at
Header supports on fixed plate and supports fixed plate to support by header.
Preferably, described heat exchanger tube is vertical, be staggered in arrangement.
Compared with prior art, the invention has the beneficial effects as follows:
1st, the present invention, before the saturation wet flue gas of heat-engine plant desulfurized tower are discharged into air, saturation wet flue gas is cooled down, by it
In water vapor condensation and reclaim, be reduced to solve " gypsum rain " problem and the heating heat that uses simultaneously.
2nd, the contaminant collectings such as the dust in condensed water and condensed water, Gypsum Fibrosum, soluble-salt can be got up by the present invention, cigarette
The pollutant such as the dust in gas, Gypsum Fibrosum, soluble-salt can be attached to pipe wall of heat exchange pipe and with condensation during water vapor condensation
Water flows down together, and condensed water and pollutant are collected in bottom of device, thus reaching energy-saving and environmental protection, the purpose of water saving.
3rd, using titanium or titanium alloy heat exchanger tube compared with ordinary metallic material heat exchanger tube, decay resistance is strong, makes for the present invention
Use life-span length；Compared with fluoroplastics heat exchanger tube, heat transfer property is more preferable.
4th, using layering water collecting structure, using inertial separation principle, condensed water and pollutant organic efficiency are high for the present invention.
Brief description
Fig. 1 is wet flue gas dehumidifying emission reduction device structural representation.
Fig. 2 is wet flue gas dehumidifying emission reduction device side view；
Fig. 3 is top header tank top view；
Fig. 4 supports fixed plate schematic diagram for header.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content of present invention instruction, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment
As shown in figure 1, dehumidifying emission reduction device structural representation for wet flue gas, described wet flue gas dehumidifying emission reduction device includes
Housing, the side of housing is provided with wet flue gas import and wet flue gas outlet, is provided with heat exchanger tube 9, heat exchanger tube 9 is vertical, stagger arrangement in housing
Arrangement, is cooling water in heat exchanger tube 9, and heat exchanger tube 9 is outer to be saturation wet flue gas.
The upside of described housing is provided with top header tank 6, and the downside of housing is provided with bottom head case 13, heat exchanger tube 9
In top header tank 6, in bottom head case 13, heat exchanger tube 9 connects water inlet header 1 He for the bottom of heat exchanger tube 9 on top
Water outlet header 2, as shown in figure 3, water inlet header 1 and water outlet header 2 are in top header tank 6, water inlet header 1 and water outlet header
2 connect cooling water inlet pipe 4 and cooling water outlet pipe 3 respectively.
It is provided with least one for the middle water collecting pipe plate 8 collecting condensed water, heat exchanger tube 9 passes through middle collection in described housing
Water tube plate 8, middle water collecting pipe plate 8 is connected at the layering collector pipe 11 of housing side, and layering collector pipe 11 connects bottom condensation
Water collects water pipe 14, and bottom condensate water is collected water pipe 14 and is located at bottom head case 13 downside and is connected with bottom head case 13.Institute
The housing stated includes upper end plate 7, lower end plate 12 and housing side plate 17, and the upper end of housing side plate 17 connects upper end plate 7, under
End connects lower end plate 12, is provided with housing support tube 10, housing support tube 10 is located at upper end plate 7 and lower end plate 12 in housing
Between, housing support tube 10 is welded with upper end plate 7, middle water collecting pipe plate 8 and lower end plate 12, and housing parts are fixed
For an entirety.
Described top header tank 6 include top end socket roof box 5 and located at top end socket roof box 5 downside and with upper
The top header tank side plate that portion's end socket roof box 5 connects.Described top end socket roof box 5 is titanium rustless steel explosive clad plate,
The stainless steel layer of titanium rustless steel explosive clad plate is welded with top header tank side plate, and titanium layer is with header 1 and the water outlet collection of intaking
Case 2 is welded, and has good sealing effectiveness, is prevented from smoke spillage.The lower end of top header tank side plate and housing
Upper end plate 7 is welded.As shown in Fig. 2 being provided with header in described top header tank 6 to support fixed plate 15, water inlet header 1 and going out
Water header 2 supports on fixed plate 15 located at header and supports fixed plate 15 to support by header.Header supports the knot of fixed plate 15
Structure is as shown in figure 4, its top is provided with and the groove intaking header 1 and water outlet header 2 is mated.
Described heat exchanger tube 9, water inlet header 1, the material of water outlet header 2, cooling water outlet pipe 3 and cooling water inlet pipe 4
For titanium or titanium alloy, compared with ordinary metallic material, decay resistance is strong, long service life；Compared with fluoroplastics, heat transfer property
More preferably.The upper end plate 7 of described housing, middle water collecting pipe plate 8, housing support tube 10, lower end plate 12, bottom head case
13rd, header supports fixed plate 15, top header tank side plate and housing side plate 17 to use two-phase stainless Steel material, has resistance to well
Corrosive nature, long service life.
The present invention wet flue gas dehumidifying emission reduction device adopt modularized design, can reality according to demand, multiple device groups
Close and use.
During use, after the saturation wet flue gas of heat-engine plant desulfurized tower enter this housing, in saturation wet flue gas, vapor is encountered and is changed
Can be condensed after the tube wall of heat pipe 9, the particulate matter in flue gas also can condense with liquid in flue gas, be formed with particulate matter as core
The drop of the heart, drop mutually collides, and particle diameter is gradually increased.Heat exchanger tube 9 using vertical, be staggered in arrangement, using inertial separation principle,
With gas shock on heat exchanger tube 9, there is drastic shift in airflow direction to drop in flue gas, by the inertia force of particulate matter itself
Effect, so as to be separated with air-flow, is caught by heat exchanger tube 9 tube wall, and due to action of gravity, the particulate matter on tube wall can be with condensed water one
Rise and flow into bottom condensate water collection water pipe 14 along tube wall.
The cooling water of the wet flue gas dehumidifying emission reduction device of the present embodiment enters heat exchanger tube 9 by cooling water inlet pipe 4, by heat exchange
Saturation wet flue gas cooling outside pipe 9, water vapor condensation therein absorbs these heat, finally will absorb after heat
Cooling water is flowed out by outlet 3.
Using layering water collecting structure, middle water collecting pipe plate 8 serves not only as solid the wet flue gas dehumidifying emission reduction device of the present embodiment
Fixed board, has the function that condensed water is collected in layering simultaneously, and the condensed water that middle water collecting pipe plate 8 is collected flows into stratified set water pipe 11
In, finally import bottom condensate water and collect water pipe 14；The condensed water of bottom of device flows into bottom head case through lower end plate 12
13, finally import condensation water collection water pipe 14.
After measured, saturation wet flue gas after desulfurizing tower can be cooled down 5～20 DEG C by present embodiment, and the flue gas after cooling is almost
Heating is not needed just can effectively to eliminate " gypsum rain "；Can large quantity of moisture in efficient recovery saturation wet flue gas, reduce even
Supplement power plant desulfurization operation moisturizing completely；The pollutant such as dust in power plant emission flue gas, sulfur trioxide can effectively be reduced.This
Embodiment has good energy-saving and environmental protection, water-saving result.
Claims (10)
1. a kind of wet flue gas dehumidifying emission reduction device is it is characterised in that include housing, and the side of housing is provided with wet flue gas import and wet
Exhanst gas outlet, is provided with heat exchanger tube (9) in housing.
2. wet flue gas dehumidifying emission reduction device as claimed in claim 1 is it is characterised in that the material of described heat exchanger tube (9) is
Titanium or titanium alloy.
3. wet flue gas dehumidifying emission reduction device as claimed in claim 2 is it is characterised in that described housing adopts two phase stainless steel
Material.
4. wet flue gas dehumidifying emission reduction device as claimed in claim 1 is it is characterised in that the upside of described housing is provided with top
Header tank (6), the downside of housing is provided with bottom head case (13), and the top of heat exchanger tube (9), in top header tank (6), is changed
In bottom head case (13), heat exchanger tube (9) connects water inlet header (1) and water outlet header (2), water inlet for the bottom of heat pipe (9)
, in top header tank (6), water inlet header (1) and water outlet header (2) connect cooling respectively for header (1) and water outlet header (2)
Water inlet pipe (4) and cooling water outlet pipe (3).
5. wet flue gas as claimed in claim 4 dehumidify emission reduction device it is characterised in that described water inlet header (1), water outlet collection
The material of case (2), cooling water outlet pipe (3) and cooling water inlet pipe (4) is titanium or titanium alloy.
6. wet flue gas as claimed in claim 4 dehumidify emission reduction device it is characterised in that being provided with least one in described housing
For collecting the middle water collecting pipe plate (8) of condensed water, heat exchanger tube (9) passes through middle water collecting pipe plate (8), middle water collecting pipe plate (8)
Connect layering collector pipe (11), layering collector pipe (11) connects bottom condensate water and collects water pipe (14), and bottom condensate water collects water
Pipe (14) is located on the downside of bottom head case (13) and is connected with bottom head case (13).
7. wet flue gas dehumidifying emission reduction device as claimed in claim 6 is it is characterised in that described housing includes upper end plate
(7), lower end plate (12) and housing side plate (17), the upper end of housing side plate (17) connects upper end plate (7), lower end connection bottom
End plate (12), is provided with housing support tube (10) in housing, housing support tube (10) is located at upper end plate (7) and lower end plate (12)
Between, the same upper end plate of housing support tube (10) (7), middle water collecting pipe plate (8) and lower end plate (12) are welded.
8. wet flue gas as claimed in claim 4 dehumidify emission reduction device it is characterised in that described top header tank (6) includes
Top end socket roof box (5) and the top being connected on the downside of top end socket roof box (5) and with top end socket roof box (5)
Header tank side plate.
9. wet flue gas as claimed in claim 8 dehumidify emission reduction device it is characterised in that described top end socket roof box (5)
For titanium rustless steel explosive clad plate, the stainless steel layer of titanium rustless steel explosive clad plate is welded with top header tank side plate, titanium
Layer is welded with water inlet header (1) and water outlet header (2).
10. wet flue gas as claimed in claim 4 dehumidify emission reduction device it is characterised in that setting in described top header tank (6)
Header is had to support fixed plate (15), water inlet header (1) and water outlet header (2) on header support fixed plate (15) and by collecting
Case supports fixed plate (15) to support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879420.0A CN106362538A (en) | 2016-10-08 | 2016-10-08 | Wet flue gas dehumidification and emission reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610879420.0A CN106362538A (en) | 2016-10-08 | 2016-10-08 | Wet flue gas dehumidification and emission reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106362538A true CN106362538A (en) | 2017-02-01 |
Family
ID=57895281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610879420.0A Pending CN106362538A (en) | 2016-10-08 | 2016-10-08 | Wet flue gas dehumidification and emission reduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106362538A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731012A (en) * | 2018-05-30 | 2018-11-02 | 河北华强科技开发有限公司 | A kind of device and method eliminated for the wet plume in coal-burning power plant |
| US20210023488A1 (en) * | 2017-03-02 | 2021-01-28 | Houjie SUN, Sr. | A condensation dedust-demister set |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203227377U (en) * | 2013-03-28 | 2013-10-09 | 陕西普拉斯特环保科技有限公司 | Device for removing PM2.5 in combustion tail gas |
| CN203837536U (en) * | 2014-04-14 | 2014-09-17 | 苏州龙峰钛镍设备有限公司 | Titanium heat exchanger |
| CN204787941U (en) * | 2015-06-12 | 2015-11-18 | 浙江德创环保科技股份有限公司 | Flue gas heat exchanger |
-
2016
- 2016-10-08 CN CN201610879420.0A patent/CN106362538A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203227377U (en) * | 2013-03-28 | 2013-10-09 | 陕西普拉斯特环保科技有限公司 | Device for removing PM2.5 in combustion tail gas |
| CN203837536U (en) * | 2014-04-14 | 2014-09-17 | 苏州龙峰钛镍设备有限公司 | Titanium heat exchanger |
| CN204787941U (en) * | 2015-06-12 | 2015-11-18 | 浙江德创环保科技股份有限公司 | Flue gas heat exchanger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210023488A1 (en) * | 2017-03-02 | 2021-01-28 | Houjie SUN, Sr. | A condensation dedust-demister set |
| CN108731012A (en) * | 2018-05-30 | 2018-11-02 | 河北华强科技开发有限公司 | A kind of device and method eliminated for the wet plume in coal-burning power plant |
| CN108731012B (en) * | 2018-05-30 | 2020-07-24 | 河北华强科技开发有限公司 | Device and method for eliminating wet smoke plume of coal-fired power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110425902A (en) | A kind of wet-method desulfurized fume waste heat recycling system and method | |
| CN203017796U (en) | Dehumidifying defogging device of moisture in condensed smoke | |
| CN106110826B (en) | A kind of flue gas water pumping system of wet desulphurization | |
| CN107042048B (en) | Gravity heat pipe type demisting method and demisting device | |
| CN108434922A (en) | The water-saving flue gas of low energy consumption takes off white device and method | |
| CN203549875U (en) | Coal-fired power plant thermodynamic system for achieving energy conservation and emission reduction and avoiding SO3 low temperature corrosion | |
| CN109631067A (en) | A kind of recycling of flue gas moisture, gas cleaning and UTILIZATION OF VESIDUAL HEAT IN association system device | |
| CN209371290U (en) | A kind of flue gas deep treatment and waste-heat recovery device based on heat pipe heat exchanging technology | |
| CN104998512A (en) | System for recovering water in high-humidity flue gas by contact-type circulating heat exchange and removing PM2.5 at the same time | |
| CN106362538A (en) | Wet flue gas dehumidification and emission reduction device | |
| CN105363319B (en) | A kind of device and application method for improving the wet-method desulfurized fume degree of superheat | |
| CN105157051B (en) | Fluoroplastics waste heat recovery and minimum discharge integrated apparatus | |
| CN109663490A (en) | Wet desulfurization flue gas condenser system and flue gas condensing method with water balance function | |
| CN112426853A (en) | Efficient composite flue gas moisture recovery system and method | |
| CN203963990U (en) | A kind of based on flue gas waste heat recovery and the boiler energy-saving emission-reduction system of thermal technology again | |
| CN210159324U (en) | Cooling and dehumidifying combined smoke whitening device | |
| CN205191619U (en) | Heat -pipe heat exchanger | |
| CN208320385U (en) | A kind of elimination white cigarette device for wet fuel gas desulfurizing technology | |
| CN205886505U (en) | Wet flue gas desulfurization's flue gas water lift system | |
| CN208678793U (en) | The white system of boiler smoke qi exhaustion | |
| CN201724237U (en) | Device for removing stack rain generated by discharge of desulfurization fume stack | |
| CN217367810U (en) | Flue gas condensation defogging device and system thereof | |
| CN203258666U (en) | Liquid drop recovery device of hanging type chimney | |
| CN109405599A (en) | A kind of condensing heat exchanger and strengthened heat exchange method for high water capacity exhaust-gas treatment | |
| CN209214422U (en) | A kind of condensing heat exchanger for high water capacity exhaust-gas treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |
|
| RJ01 | Rejection of invention patent application after publication |