CN207287130U - A kind of adjusting type desulfuration absorbing tower suitable for multi-state - Google Patents
A kind of adjusting type desulfuration absorbing tower suitable for multi-state Download PDFInfo
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- CN207287130U CN207287130U CN201721207509.9U CN201721207509U CN207287130U CN 207287130 U CN207287130 U CN 207287130U CN 201721207509 U CN201721207509 U CN 201721207509U CN 207287130 U CN207287130 U CN 207287130U
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- Prior art keywords
- serum recycle
- recycle pump
- spraying layer
- pump conduit
- spraying
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Abstract
A kind of adjusting type desulfuration absorbing tower suitable for multi-state, the atomizer in spraying portion are connected with the nozzle in spray portion by serum recycle pump conduit with slurry pool；Slurries in slurry pool enter slurry circulating pump at slurry circulating pump line entry, pressurize from nozzle or atomizer through slurry circulating pump and are sprayed with mist, fall into slurry pool；The serum recycle pump conduit is equipped with multichannel, and a slurry circulating pump is equipped with the serum recycle pump conduit of every road, wherein, the flow of at least two slurry circulating pumps differs.Slurry circulating pump is designed as two or three unequal grades of flow by the utility model, when load variations, can according to circumstances close down different slurry circulating pumps, most economical so as to fulfill running.
Description
Technical field
A kind of adjusting type desulfuration absorbing tower suitable for multi-state is the utility model is related to, belongs to technical field of desulfurization.
Background technology
Limestone-gypsum Wet Flue Gas Desulfurization Process technique is that current China is most widely used, the best fume desulphurization method of effect, design
Desulfuration efficiency can reach more than 95%.Limestone-gypsum Wet Flue Gas Desulfurization Process technique mainly has pulping system, absorption tower system, dehydration
System.The absorption tower system includes desulfuration absorbing tower and serum recycle system, and the serum recycle system is by configuring slurries
Circulating pump, controls certain liquid-gas ratio so as to fulfill flue gas desulfurization.3-6 platform flows are commonly designed in existing serum recycle system
Equal slurry circulating pump.When load variations (when sulfur content changes), if cutting off a slurry circulating pump is likely to occur liquid gas
Than inadequate, but all operation can cause liquid-gas ratio excessive, it is impossible to economical operation.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of adjusting type desulfurization suction suitable for multi-state
Receive tower.
The purpose of this utility model is achieved through the following technical solutions：
A kind of adjusting type desulfuration absorbing tower suitable for multi-state, is disposed with the desulfuration absorbing tower from the bottom to top
Slurry pool, spraying portion, spray portion, dedusting demister, gas inlet are arranged on the tower body below spraying portion, and exhanst gas outlet is set
On the top of tower body；Wherein, multiple atomizers laterally sprayed are distributed with the spraying portion in the side tower wall of tower body；Institute
If stating spray portion and being arranged in parallel in desulfuration absorbing tower has dried layer spraying layer, several nozzles are both provided with every layer of spraying layer；
The atomizer in the spraying portion is connected with the nozzle in spray portion by serum recycle pump conduit with slurry pool；In slurry pool
Slurries enter slurry circulating pump at slurry circulating pump line entry, pressurize through slurry circulating pump from nozzle or atomizer with mist
Shape form sprays, and falls into slurry pool；Flue gas enters desulfuration absorbing tower from gas inlet, upward along spraying portion and spray portion respectively,
With the slurry liquid contacts sprayed, sponge sulfur dioxide therein, arranged after dedusting demister to air from exhanst gas outlet or
Into chimney；
The serum recycle pump conduit is equipped with multichannel, and a slurry circulating pump is equipped with the serum recycle pump conduit of every road,
Wherein, the flow of at least two slurry circulating pumps differs.
Further, the nozzle on the spraying layer of spray portion the top is one-way sprayer, downwards spray；The spray
Nozzle on remaining spraying layer of portion is Bidirectional spray head, up and down spray.
Further, a floor spraying layer or two layers adjacent of spraying layer or whole spraying are connected per road serum recycle pump conduit
Portion.
Further, per independent mutually between the serum recycle pump conduit of road；From the entrance of the serum recycle pump conduit, institute
State and be equipped with switch valve, blowdown valve and slurry circulating pump on serum recycle pump conduit successively.
Further, it is equipped with strainer valve per road slurry circulating pump line entry end.
Further, it is all connected with flushing pipe per road serum recycle pump conduit.
Further, regulating valve is equipped with the serum recycle pump conduit of every road, the regulating valve is located at switch valve and slurries
Between circulating pump.
Further, the spray portion it is bottom-up successively be equipped with the first spraying layer, the second spraying layer, the 3rd spraying layer,
4th spraying layer, the 5th spraying layer, the 6th spraying layer, the 7th spraying layer, the 8th spraying layer, the 9th spraying layer and the tenth spray
Layer；
The first serum recycle pump conduit, the second serum recycle pump conduit, are provided, in sequence from bottom to top, with along the slurry pool
Three serum recycle pump conduits, the 4th serum recycle pump conduit, the 5th serum recycle pump conduit and the 6th serum recycle pump conduit；
Wherein, the 6th serum recycle pump conduit connects whole spraying portion, the first spray of the 5th serum recycle pump conduit connection
Layer and the second spraying layer, the 4th serum recycle pump conduit connect the 3rd spraying layer and the 4th spraying layer, the 3rd serum recycle pump line
Road connects the 5th spraying layer and the 6th spraying layer, and the second serum recycle pump conduit connects the 7th spraying layer and the 8th spraying layer, the
One serum recycle pump conduit connects the 9th spraying layer and the tenth spraying layer；
Serum recycle pump discharge on 6th serum recycle pump conduit is Qa, the 5th serum recycle pump conduit and the 4th slurries
The serum recycle pump discharge circulated on pump conduit is Qb, the 3rd serum recycle pump conduit, the second serum recycle pump conduit and first
Serum recycle pump discharge on serum recycle pump conduit is Qc, and Qa、 QbAnd QcThree differs.
The beneficial effects of the utility model are：
Slurry circulating pump is designed as two or three unequal grades of flow by the utility model, when load variations,
Different slurry circulating pumps can be according to circumstances closed down, it is most economical so as to fulfill running.
Brief description of the drawings
Fig. 1 is the adjusting type desulfuration absorbing tower described in the utility model suitable for multi-state；
Wherein, 1- slurry pools, 2- sprayings portion, 3- sprays portion, 4- dedusting demisters, 5- gas inlets, 6- exhanst gas outlets,
7- serum recycle pump conduits, 8- flushing pipes, 9- strainer valves, 10- switch valves, 11- blowdown valves, 12- slurry circulating pumps.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, is not used to limit the utility model.
A kind of adjusting type desulfuration absorbing tower suitable for multi-state, as shown in Figure 1, in the desulfuration absorbing tower from the bottom to top
Slurry pool 1, spraying portion 2, spray portion 3, dedusting demister 4 are disposed with, gas inlet 5 is arranged on the tower of the lower section of spraying portion 2
On body, exhanst gas outlet 6 is arranged on the top of tower body；Wherein, multiple sides are distributed with the side tower wall of tower body in the spraying portion 2
To the atomizer of sprinkling；If the spray portion 3 is arranged in parallel in desulfuration absorbing tower dried layer spraying layer, on every layer of spraying layer
It is both provided with several nozzles；The atomizer in the spraying portion 2 passes through serum recycle pump conduit 7 with the nozzle in spray portion 3
It is connected with slurry pool 1；Slurries in slurry pool 1 enter slurry circulating pump 12 at slurry circulating pump line entry, are followed through slurries
12 pressurization of ring pump is sprayed from nozzle or atomizer with mist, falls into slurry pool 1；Flue gas enters desulfurization from gas inlet 5
Absorption tower, it is upward along spraying portion 2 and spray portion 3 respectively, with the slurry liquid contacts sprayed, sulfur dioxide therein is sponged,
From 6 row of exhanst gas outlet to air or into chimney after dedusting demister 4.Stone is generated after lime stone slurry sulfur dioxide absorption
Cream, goes dewatering system to be dehydrated through gypsum excavationg pump.
Nozzle on the spraying layer of 3 the top of spray portion is one-way sprayer, downwards spray；The spray portion 3 remaining
Nozzle on spraying layer is Bidirectional spray head, up and down spray.
The serum recycle pump conduit 7 is equipped with multichannel, and a slurry circulating pump is equipped with every road serum recycle pump conduit 7
12, wherein, the flow of at least two slurry circulating pumps 12 differs.Per independent mutually between road serum recycle pump conduit 7；From
The entrance of the serum recycle pump conduit, strainer valve 9, switch valve 10, blowdown valve are equipped with the serum recycle pump conduit 7 successively
11 and slurry circulating pump 12.Flushing pipe 8 is respectively connected with per road serum recycle pump conduit 7.
Regulating valve is equipped with per road serum recycle pump conduit 7, the regulating valve is located at switch valve 10 and slurry circulating pump
It between 12, can be more convenient accurately to adjust limestone slurry flow quantity, can ensure the economic fortune of desulfuration efficiency and desulphurization system at the same time
OK.
A floor spraying layer or two layers adjacent of spraying layer or whole spraying portion 2 are connected per road serum recycle pump conduit 7.
In a kind of preferred embodiment, the spray portion 3 it is bottom-up successively be equipped with the first spraying layer, the second spraying layer,
3rd spraying layer, the 4th spraying layer, the 5th spraying layer, the 6th spraying layer, the 7th spraying layer, the 8th spraying layer, the 9th spraying layer
With the tenth spraying layer；
The first serum recycle pump conduit, the second serum recycle pump conduit, are provided, in sequence from bottom to top, with along the slurry pool 1
Three serum recycle pump conduits, the 4th serum recycle pump conduit, the 5th serum recycle pump conduit and the 6th serum recycle pump conduit；
Wherein, the 6th serum recycle pump conduit connects whole spraying portion 2, the first spray of the 5th serum recycle pump conduit connection
Layer and the second spraying layer, the 4th serum recycle pump conduit connect the 3rd spraying layer and the 4th spraying layer, the 3rd serum recycle pump line
Road connects the 5th spraying layer and the 6th spraying layer, and the second serum recycle pump conduit connects the 7th spraying layer and the 8th spraying layer, the
One serum recycle pump conduit connects the 9th spraying layer and the tenth spraying layer；
Serum recycle pump discharge on 6th serum recycle pump conduit is Qa, the 5th serum recycle pump conduit and the 4th slurries
The serum recycle pump discharge circulated on pump conduit is Qb, the 3rd serum recycle pump conduit, the second serum recycle pump conduit and first
Serum recycle pump discharge on serum recycle pump conduit is Qc, and Qa、 QbAnd QcThree differs.
The configuration of slurry circulating pump can also be in the utility model：1×Qa+2×Qb、1×Qa+3×Qb、2×Qa+3×Qb
Or 1 × Qa+2×Qb+3×Qc., can be more flexible by serum recycle pump discharge stepped design or the Combination Design of various flows
Realize combustion adjustment.It is corresponding to adjust serum recycle pump operation as unit load changes, the change of sulfur dioxide in flue gas content
Number of units, makes that operation curve is gentler, overall operation is more economical.
The utility model is applied " above presses greatly small " 2 × 1000MW new construction desulfurization in Guangdong Datang world Leizhou power plant
EPC projects, slurry circulating pump type selecting by three big two it is small be designed relatively rationally, design parameter is 3 × 10600m3/h、2×
6400m3/h., can be according to need when unit load changes (when sulfur content changes) by configuring the slurry circulating pump of different flow
A certain slurry circulating pump is cut off, so as to fulfill most economical operation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of adjusting type desulfuration absorbing tower suitable for multi-state, slurry is disposed with from the bottom to top in the desulfuration absorbing tower
Liquid pool (1), spraying portion (2), spray portion (3), dedusting demister (4), gas inlet (5) are arranged on the tower below spraying portion (2)
On body, exhanst gas outlet (6) is arranged on the top of tower body；Wherein, the spraying portion (2) is distributed with more in the side tower wall of tower body
A atomizer laterally sprayed；The spray portion (3) is if parallel arrangement has dried layer spraying layer, every layer of spray in desulfuration absorbing tower
Several nozzles are both provided with drenching layer；The atomizer and the nozzle of spray portion (3) of the spraying portion (2) are followed by slurries
Ring pump conduit (7) is connected with slurry pool (1)；The inner slurries of slurry pool (1) follow at slurry circulating pump line entry into slurries
Ring pumps (12), pressurizes from nozzle or atomizer through slurry circulating pump (12) and is sprayed with mist, falls into slurry pool (1)；Cigarette
Gas enters desulfuration absorbing tower from gas inlet (5), respectively along spraying portion (2) and spray portion (3) upwards, with the slurries sprayed
Contact, sponges sulfur dioxide therein, is arranged after dedusting demister (4) to air from exhanst gas outlet (6) or into chimney；Its
It is characterized in that,
The serum recycle pump conduit (7) is equipped with multichannel, and a slurry circulating pump is equipped with every road serum recycle pump conduit (7)
(12), wherein, the flow of at least two slurry circulating pumps (12) differs.
A kind of 2. adjusting type desulfuration absorbing tower suitable for multi-state according to claim 1, it is characterised in that the spray
Nozzle on the spraying layer of leaching portion (3) the top is one-way sprayer, downwards spray；On described remaining spraying layer of spray portion (3)
Nozzle is Bidirectional spray head, up and down spray.
3. a kind of adjusting type desulfuration absorbing tower suitable for multi-state according to claim 1, it is characterised in that starched per road
Liquid circulation pump conduit (7) connects one layer of spraying layer or two layers adjacent of spraying layer or entirely spraying portion (2).
4. a kind of adjusting type desulfuration absorbing tower suitable for multi-state according to claim 1, it is characterised in that starched per road
It is independent mutually between liquid circulation pump conduit (7)；From the entrance of the serum recycle pump conduit, the serum recycle pump conduit (7)
On be equipped with switch valve (10), blowdown valve (11) and slurry circulating pump (12) successively.
5. a kind of adjusting type desulfuration absorbing tower suitable for multi-state according to claim 1, it is characterised in that starched per road
Liquid circulating pump line entry end is equipped with strainer valve (9).
6. a kind of adjusting type desulfuration absorbing tower suitable for multi-state according to claim 1, it is characterised in that starched per road
Liquid circulation pump conduit (7) is all connected with flushing pipe (8).
7. a kind of adjusting type desulfuration absorbing tower suitable for multi-state according to claim 1, it is characterised in that starched per road
Regulating valve is equipped with liquid circulation pump conduit (7), the regulating valve is located between switch valve (10) and slurry circulating pump (12).
A kind of 8. adjusting type desulfuration absorbing tower suitable for multi-state according to claim 1, it is characterised in that
The spray portion (3) it is bottom-up successively be equipped with the first spraying layer, the second spraying layer, the 3rd spraying layer, the 4th spraying layer,
5th spraying layer, the 6th spraying layer, the 7th spraying layer, the 8th spraying layer, the 9th spraying layer and the tenth spraying layer；
The first serum recycle pump conduit, the second serum recycle pump conduit, the 3rd are provided, in sequence from bottom to top, with along the slurry pool (1)
Serum recycle pump conduit, the 4th serum recycle pump conduit, the 5th serum recycle pump conduit and the 6th serum recycle pump conduit；
Wherein, the 6th serum recycle pump conduit connects whole spraying portion (2), and the 5th serum recycle pump conduit connects the first spraying layer
With the second spraying layer, the 4th serum recycle pump conduit connects the 3rd spraying layer and the 4th spraying layer, the 3rd serum recycle pump conduit
Connecting the 5th spraying layer and the 6th spraying layer, the second serum recycle pump conduit connects the 7th spraying layer and the 8th spraying layer, and first
Serum recycle pump conduit connects the 9th spraying layer and the tenth spraying layer；
Serum recycle pump discharge on 6th serum recycle pump conduit is Qa, the 5th serum recycle pump conduit and the 4th serum recycle
Serum recycle pump discharge on pump conduit is Qb, the 3rd serum recycle pump conduit, the second serum recycle pump conduit and the first slurries
The serum recycle pump discharge circulated on pump conduit is Qc, and Qa、QbAnd QcThree differs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207509.9U CN207287130U (en) | 2017-09-20 | 2017-09-20 | A kind of adjusting type desulfuration absorbing tower suitable for multi-state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207509.9U CN207287130U (en) | 2017-09-20 | 2017-09-20 | A kind of adjusting type desulfuration absorbing tower suitable for multi-state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207287130U true CN207287130U (en) | 2018-05-01 |
Family
ID=62442887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721207509.9U Expired - Fee Related CN207287130U (en) | 2017-09-20 | 2017-09-20 | A kind of adjusting type desulfuration absorbing tower suitable for multi-state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207287130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376628A (en) * | 2017-09-20 | 2017-11-24 | 大唐环境产业集团股份有限公司 | A kind of adjusting type desulfuration absorbing tower suitable for multi-state |
| CN111013374A (en) * | 2019-12-31 | 2020-04-17 | 国电九江发电有限公司 | Method for configuring amount of multilayer spraying desulfurization slurry in wet desulfurization tower |
-
2017
- 2017-09-20 CN CN201721207509.9U patent/CN207287130U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107376628A (en) * | 2017-09-20 | 2017-11-24 | 大唐环境产业集团股份有限公司 | A kind of adjusting type desulfuration absorbing tower suitable for multi-state |
| CN111013374A (en) * | 2019-12-31 | 2020-04-17 | 国电九江发电有限公司 | Method for configuring amount of multilayer spraying desulfurization slurry in wet desulfurization tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 |