CN205760522U - Flue gas processing device - Google Patents
Flue gas processing device Download PDFInfo
- Publication number
- CN205760522U CN205760522U CN201620739501.6U CN201620739501U CN205760522U CN 205760522 U CN205760522 U CN 205760522U CN 201620739501 U CN201620739501 U CN 201620739501U CN 205760522 U CN205760522 U CN 205760522U
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- CN
- China
- Prior art keywords
- tower
- absorption tower
- outlet
- sack cleaner
- flue gas
- 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.)
- Expired - Fee Related
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Abstract
This utility model is mainly used in the cleaning processing technology field of CFB boiler flue gas, particularly to a kind of flue gas processing device, including absorption tower, sack cleaner, air-introduced machine and polyfunctional reactant tower, absorption tower includes import and the outlet at top of bottom, sack cleaner includes housing, filter bag and ash bucket it is provided with in housing, shell one end is dusty gas entrance, the other end is purified gas outlet, dusty gas entrance is positioned at the top of housing, the dusty gas entrance of absorption tower outlet sack cleaner, purified gas outlet connects air-introduced machine by pipeline, the import on the connection absorption tower, exit of ash bucket and Hui Ku, air-introduced machine is connected with heat exchanger and polyfunctional reactant tower respectively by pipeline, polyfunctional reactant tower gas outlet is by the inlet communication of pipeline with absorption tower.This utility model sack cleaner uses upper air inlet mode, in order to utilizes action of gravity to carry out pre-gathering dust, alleviates the filtration load of cloth bag.
Description
Technical field
This utility model relates to a kind of flue gas processing device, is mainly used in the cleaning treatment technology neck of CFB boiler flue gas
Territory.
Background technology
CFB boiler has the function of low nitrogen burning because of the feature of itself structure, and outlet nitrous oxides concentration is than other shape
The boiler of formula is low, under pollutant emission standard in early days, uses SNCR denitration technique can meet emission request, but with
The raising day by day of discharge standard, use SNCR denitration technology cannot meet requirement, use desulfurization to inhale the most more
Receive tower and sack cleaner carries out desulphurization denitration, carry out by adding absorbent, denitrfying agent and adsorbent in desulfuration absorbing tower
Desulphurization denitration processes, but current processing system dust removing effects is poor, discharges the most up to standard, and impact is normal to be produced.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of good dedusting effect, cleanable flue gas, reaches discharge mark
Accurate flue gas processing device.
Flue gas processing device described in the utility model, including absorption tower, sack cleaner, air-introduced machine and polyfunctional reactant
Tower, absorption tower includes import and the outlet at top of bottom, and sack cleaner includes housing, is provided with filter bag and ash bucket in housing,
Shell one end is dusty gas entrance, and the other end is purified gas outlet, and dusty gas entrance is positioned at the top of housing, absorption tower
The dusty gas entrance of outlet sack cleaner, purified gas outlet connects air-introduced machine, the exit of ash bucket by pipeline
The import on connection absorption tower and Hui Ku, air-introduced machine is connected with heat exchanger and polyfunctional reactant tower respectively by pipeline, Multifunctional reverse
The Ying Ta gas outlet inlet communication by pipeline and absorption tower, the import on absorption tower respectively with water tank, adsorbent tank, denitration
Agent storage tank and the connection of absorbent storage tank.
Flue gas enters absorption tower, and first the flue gas entering absorption tower mixes fully with the absorbent added, circulating ash
Close.In tower, fierce turbulence, the granule that has huge surface area are as carrier, by fresh water (FW) be injected to ciculation fluidized
Bed reaction tower creates optimal denitration reaction condition, under the Oxidation of denitrfying agent, NO is converted into NO2, then with calcio
Absorbent occurs to neutralize reaction, completes the process of desulphurization denitration.Meanwhile, the moisture in tower is sufficiently evaporated, it is ensured that enter
Enter the ash in follow-up sack cleaner and there is good flow regime.Flue gas goes out from absorbing tower top row, from sack cleaner top
Portion enters.In sack cleaner, flue gas realizes gas dirt and separates, and falls into the flying dust major part of ash bucket after sack cleaner dedusting
It is back to absorption tower by skewed slot, recycles further, the grey storehouse that fraction is extremely increased newly by storehouse transport pump.Sack cleaner is adopted
Use air inlet mode, in order to utilize action of gravity to carry out pre-gathering dust, alleviate the filtration load of cloth bag.Ash-laden gas after purification leads to
Cross air-introduced machine and enter heat exchanger respectively and polyfunctional reactant tower is further lowered the temperature or dedusting, the flue gas weight after further dedusting
Recycling in newly entering absorption tower, the flue gas after cooling carries out remaining technique recycling or burning.
In described sack cleaner, filter bag is set to elliptical filter bag.Use elliptical filter bag, take up an area less, facilitate cloth
Put.
Described polyfunctional reactant tower includes tower body, waffle slab setting up and down in tower body, and waffle slab arranges filler, spray
Pipe is positioned at above filler, and filler is set to porous hollow sphere, arranges blow-off pipe bottom tower body.Can be by the shower cigarette to discharging
Gas carries out spraying dedusting, and filler can carry out multistep treatment to the air polluted, it is achieved gas non-pollution discharge, the pollutant of tower body
Can discharge through blow-off pipe.
Between described polyfunctional reactant tower gas outlet and the import on absorption tower, control valve is set.Can control to enter absorption tower
The amount of gas.
Described absorbent storage tank connects the outlet of calculogenesis ash silo built with slaked lime, the import department of absorbent storage tank.Raw
Having quick lime in lime silo, to quicklime slaking, postdigestive slaked lime directly passes through dilute phase pneumatic conveying system to absorbent
Storage tank, is then fed into absorption tower.
The beneficial effects of the utility model are:
Sack cleaner uses upper air inlet mode, in order to utilize action of gravity to carry out pre-gathering dust, and the filtration alleviating cloth bag is born
Lotus.Ash-laden gas after purification enters heat exchanger and the further dedusting of polyfunctional reactant tower or fall respectively by air-introduced machine
Temperature, the flue gas after further dedusting recycles in reentering absorption tower, and the flue gas after cooling carries out remaining technique and reclaims profit
With or burning.Polyfunctional reactant tower can carry out multistep treatment to the air polluted, it is achieved gas non-pollution discharge.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of polyfunctional reactant tower in Fig. 1.
In figure: 1, calculogenesis ash silo；2, absorbent storage tank；3, denitrfying agent storage tank；4, adsorbent tank；5, absorption tower；6, cloth
Bag dust collector；7, air-introduced machine；8, Hui Ku；9, heat exchanger；10, polyfunctional reactant tower；11, tower body；12, shower；13, grid
Plate；14, filler.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further:
As shown in Fig. 1～Fig. 2, flue gas processing device described in the utility model, including absorption tower 5, sack cleaner 6,
Air-introduced machine 7 and polyfunctional reactant tower 10, absorption tower 5 includes import and the outlet at top of bottom, and sack cleaner 6 includes shell
Body, is provided with filter bag and ash bucket in housing, shell one end is dusty gas entrance, and the other end is purified gas outlet, dusty gas
Entrance is positioned at the top of housing, and the dusty gas entrance of absorption tower 5 outlet sack cleaner 6, purified gas outlet is passed through
Pipeline connects air-introduced machine 7, the import on the connection absorption tower, exit 5 of ash bucket and ash storehouse 8, air-introduced machine 7 by pipeline respectively with change
Hot device 9 and polyfunctional reactant tower 10 connect, and polyfunctional reactant tower 10 gas outlet, by the inlet communication of pipeline with absorption tower 5, is inhaled
The import receiving tower 5 connects with water tank, adsorbent tank 4, denitrfying agent storage tank 3 and absorbent storage tank 2 respectively.Sack cleaner 6
Interior filter bag is set to elliptical filter bag.Polyfunctional reactant tower 10 includes tower body 11, waffle slab 13 setting up and down, grid in tower body 11
Arranging filler 14 on plate 13, shower 12 is positioned at above filler 14, and filler 14 is set to porous hollow sphere, arranges bottom tower body 11
Blow-off pipe.Between the import on polyfunctional reactant tower 10 gas outlet and absorption tower 5, control valve is set.Absorbent storage tank 2 is built with disappearing
Calx, the import department of absorbent storage tank 2 connects the outlet of calculogenesis ash silo 1.
Flue gas enters absorption tower 5, and first the flue gas entering absorption tower 5 is carried out fully with the absorbent added, circulating ash
Mixing.In tower, fierce turbulence, the granule that has huge surface area are as carrier, are injected to recycle stream by fresh water (FW)
Change bed reaction tower and create optimal denitration reaction condition, under the Oxidation of denitrfying agent, NO is converted into NO2, then with calcium
Base absorbant occurs to neutralize reaction, completes desulphurization denitration process.Meanwhile, the moisture in tower is sufficiently evaporated, it is ensured that enter
The ash entered in follow-up sack cleaner 6 has good flow regime.Flue gas is discharged from absorption tower 5 tower top, from sack cleaner 6
Top enters.In sack cleaner 6, flue gas realizes gas dirt and separates, and the flying dust major part containing part slaked lime is returned by skewed slot
It is back to absorption tower 5, recycles further, the grey storehouse 8 that fraction is extremely increased newly by storehouse transport pump.On sack cleaner 6 uses
Air inlet mode, in order to utilize action of gravity to carry out pre-gathering dust, alleviates the filtration load of cloth bag.Ash-laden gas after purification is by drawing
Blower fan 7 enters heat exchanger 9 and the further dedusting of polyfunctional reactant tower 10 or cooling, the flue gas weight after further dedusting respectively
Recycling in newly entering absorption tower 5, the flue gas after cooling carries out remaining technique recycling or burning.
Claims (5)
1. a flue gas processing device, it is characterised in that: include absorption tower (5), sack cleaner (6), air-introduced machine (7) and many merits
Energy reaction tower (10), absorption tower (5) include import and the outlet at top of bottom, and sack cleaner (6) includes housing, in housing
Being provided with filter bag and ash bucket, shell one end is dusty gas entrance, and the other end is purified gas outlet, and dusty gas entrance is positioned at shell
The top of body, the dusty gas entrance of absorption tower (5) outlet sack cleaner (6), purified gas outlet is by pipeline even
Connect air-introduced machine (7), the exit of ash bucket connection ash storehouse (8) and the import of absorption tower (5), air-introduced machine (7) by pipeline respectively with
Heat exchanger (9) and polyfunctional reactant tower (10) connect, and polyfunctional reactant tower (10) gas outlet is entered by pipeline and absorption tower (5)
Mouthful connection, the import of absorption tower (5) respectively with water tank, adsorbent tank (4), denitrfying agent storage tank (3) and absorbent storage tank (2)
Connection.
Flue gas processing device the most according to claim 1, it is characterised in that: sack cleaner (6) interior filter bag is set to ellipse
Rounded pocket.
Flue gas processing device the most according to claim 1, it is characterised in that: polyfunctional reactant tower (10) includes tower body
(11), waffle slab setting up and down (13) in tower body (11), waffle slab (13) arranges filler (14), shower (12) is positioned at filler
(14) top, filler (14) is set to porous hollow sphere, and tower body (11) bottom arranges blow-off pipe.
Flue gas processing device the most according to claim 1, it is characterised in that: polyfunctional reactant tower (10) gas outlet and absorption
Between the import of tower (5), control valve is set.
Flue gas processing device the most according to claim 1, it is characterised in that: absorbent storage tank (2), built with slaked lime, is inhaled
The import department receiving agent storage tank (2) connects the outlet of calculogenesis ash silo (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620739501.6U CN205760522U (en) | 2016-07-14 | 2016-07-14 | Flue gas processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620739501.6U CN205760522U (en) | 2016-07-14 | 2016-07-14 | Flue gas processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205760522U true CN205760522U (en) | 2016-12-07 |
Family
ID=58121894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620739501.6U Expired - Fee Related CN205760522U (en) | 2016-07-14 | 2016-07-14 | Flue gas processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205760522U (en) |
-
2016
- 2016-07-14 CN CN201620739501.6U patent/CN205760522U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |