CN205700105U - A kind of fume desulfurating absorption tower - Google Patents
A kind of fume desulfurating absorption tower Download PDFInfo
- Publication number
- CN205700105U CN205700105U CN201620516337.2U CN201620516337U CN205700105U CN 205700105 U CN205700105 U CN 205700105U CN 201620516337 U CN201620516337 U CN 201620516337U CN 205700105 U CN205700105 U CN 205700105U
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- absorption tower
- spraying layer
- absorption
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Abstract
The utility model provides a kind of fume desulfurating absorption tower, is provided with cooling layer, is provided with circulating absorption solution spraying layer in absorption tower at smoke inlet, and the top on absorption tower is provided with except mist layer；Cooling layer includes the nozzle A being arranged at top at smoke inlet, nozzle A connects with fresh water (FW) line tube, circulating absorption solution spraying layer is provided with three layers, each layer of spraying layer is configured with a slurry circulating pump, each slurry circulating pump is arranged on corresponding one main process stream pipeline, main process stream pipeline one end is internal with absorption tower to be connected, and its other end connects with spraying layer；Except mist layer includes the rotating stream tray, the first spiral-flow type demister and the second spiral-flow type demister that from bottom to top set gradually.This technical scheme is based on limestone-gypsum wet desulfuration technique, and its desulfuration efficiency is high.
Description
Technical field
The utility model relates to a kind of fume desulfurating absorption tower.
Background technology
In order to protect environment, reducing air pollution, most Thermal Power Enterprises is required for carrying out desulfurization process to flue gas, then
It is discharged in air again.In traditional sulfur removal technology, desulfurizing agent and flue gas are to mix in absorption tower, and the bottom on this absorption tower sets
Having smoke inlet, top is provided with desulfurizing agent entrance.Flue gas mixes from entrance absorption tower, bottom, absorption tower with desulfurizing agent in absorption tower
Closing desulfurization, then, the neat stress outlet from absorption tower top of neat stress after desulfurization is discharged.Due to absorption tower cross section relatively
Greatly, the mixed effect difference of flue gas and desulfurizing agent, desulfurized effect is not good.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of technologic based on Limestone-gypsum Wet Flue Gas Desulfurization Process, de-
The high a kind of fume desulfurating absorption tower of sulphur efficiency.
In order to solve above-mentioned technical problem, the technical solution of the utility model is:
A kind of fume desulfurating absorption tower, including smoke inlet and exhanst gas outlet, it is characterised in that: set at described smoke inlet
Having cooling layer, being provided with circulating absorption solution spraying layer in described absorption tower, the top on described absorption tower is provided with except mist layer；
Described cooling layer includes the nozzle A being arranged at top at described smoke inlet, and described nozzle A is by pipe joint and work
Skill water pipeline pipeline communication, described fresh water (FW) line tube is sequentially provided with the first butterfly valve and the second butterfly along fresh water (FW) flow direction
Valve, described second butterfly valve is connected with YE；
Described circulating absorption solution spraying layer is provided with three layers, and each layer of spraying layer is configured with a slurry circulating pump, each
Slurry circulating pump described in platform is arranged on corresponding one main process stream pipeline, described main process stream pipeline one end with described
The internal connection in absorption tower, its other end connects with spraying layer；
Described include the rotating stream tray that from bottom to top sets gradually, the first spiral-flow type demister and the second spiral-flow type except mist layer
It is respectively arranged with tower wall guiding gutter above demister, described first spiral-flow type demister and described second spiral-flow type demister.
Preferably, above-mentioned a kind of fume desulfurating absorption tower, wherein said circulating absorption solution spraying layer every layer is respectively equipped with
15 nozzle B, spray angles 90 °.
Preferably, above-mentioned a kind of fume desulfurating absorption tower, wherein said circulating absorption solution spraying layer every layer is mutually uniformly
Interval is arranged, and adjacent layer spacing is 1.7m.
Preferably, above-mentioned a kind of fume desulfurating absorption tower, the cyclic absorption in wherein said circulating absorption solution spraying layer
Liquid optimal pH scope is 5.5～6.
Preferably, above-mentioned a kind of fume desulfurating absorption tower, main process stream pipeline described in each of which also respectively by
One lateral and a cooling flushing water pipeline communication, the other end of described cooling flushing water pipeline is respectively by connecting branch and institute
Stating slurry circulating pump to connect, described connecting branch is provided with ball valve.
Compared with prior art, the utility model has the technical effect that: in the utility model, flue gas is through cigarette
Gas entrance enters absorption tower, and the absorbing liquid got off with multilayer atomizing spray is sufficiently mixed, mass transfer heat exchange, flue gas cool-down same
When, sulfur dioxide absorbed liquid washing absorption.Flue gas containing small droplet aqueous vapor is through water curtain style spray washing liquid, in flue gas
Fine drop separated by bigger drop absorption, then through upper multilayer except mist layer further except entering chimney high idle discharge after mist
Put.
Brief description
Fig. 1: the utility model Structure PID figure；
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasps.
As it is shown in figure 1, a kind of fume desulfurating absorption tower, including smoke inlet 1 and exhanst gas outlet 2, set at smoke inlet 1
Having cooling layer, being provided with circulating absorption solution spraying layer in absorption tower, the top on absorption tower is provided with except mist layer；
Described cooling layer includes the nozzle A3 being arranged at top at described smoke inlet 1, and described nozzle A3 is by pipe joint
Connect with fresh water (FW) line tube 4, described fresh water (FW) line tube 4 is sequentially provided with the first butterfly valve 5 along fresh water (FW) flow direction
With the second butterfly valve 6, described second butterfly valve 6 is connected with YE；
Described circulating absorption solution spraying layer is provided with three layers, and each layer of spraying layer is configured with a slurry circulating pump 7, each
Slurry circulating pump 7 described in platform is arranged on corresponding one main process stream pipeline 8, described main process stream pipeline 8 one end with
The internal connection in described absorption tower, its other end connects with spraying layer；
Described include the rotating stream tray that from bottom to top sets gradually, the first spiral-flow type demister and the second spiral-flow type except mist layer
It is respectively arranged with tower wall guiding gutter above demister, described first spiral-flow type demister and described second spiral-flow type demister.Heat smoke
Enter absorption tower, after baffling is upward through three layers of countercurrent spray layer, when flue gas is at a high speed by rotating stream tray, the absorption on blade
Liquid is blown to very little droplet, and SO2, absorbing liquid and droplet are each other in the effect of the mechanism such as collision, interception, Brownian movement
Under, colliding between particle, particle diameter constantly increases.High-temperature flue gas is when liquid heat transfer simultaneously, and grit is lowered the temperature, and makes condensation of moisture
At particle surface, mass particle also increases therewith, and under the guide effect of rotating stream tray, rotary motion aggravates, and produces powerful
Centrifugal force, reactant is easy to spin off from flue gas and is thrown toward tower wall, flows under gravity at the bottom of tower, it is achieved gas-solid divides
From.Flow in series through two-layer spiral-flow type demister again and remove contained slurries mist (water) droplet.First order demister can remove bigger
Drop and solid particle, second level demister then removes remaining smaller droplet.Do not have above layer demister and be equipped with tower wall water conservancy diversion
Groove, reduces water loss.
Wherein said circulating absorption solution spraying layer every layer is respectively equipped with 15 nozzle B 9, spray angles 90 °.
Every layer of mutual uniform intervals of wherein said circulating absorption solution spraying layer is arranged, and adjacent layer spacing is 1.7m；Circulation is inhaled
The circulating absorption solution optimal pH scope received in liquid spraying layer is 5.5～6.
In addition, each described main process stream pipeline 8 is also respectively by a lateral 11 and a cooling flushing water pipeline
10 connections, the other end of described cooling flushing water pipeline 10 is connected with described slurry circulating pump 7 by connecting branch 12 respectively, described
Connecting branch 12 is provided with ball valve.
In this technical scheme, flue gas enters absorption tower through smoke inlet, carries out with the absorbing liquid that multilayer atomizing spray gets off
It is sufficiently mixed, mass transfer heat exchange, while flue gas cool-down, sulfur dioxide absorbed liquid washing absorption.Cigarette containing small droplet aqueous vapor
Gas is separated by bigger drop absorption through water curtain style spray washing liquid, the fine drop in flue gas, then removes through upper multilayer
Mist layer enters chimney high altitude discharge further after mist.
Certainly, being more than representative instance of the present utility model, in addition, the utility model can also have other multiple
The technical scheme that detailed description of the invention, all employing equivalents or equivalent transformation are formed, all falls within the utility model and claims
Within the scope of.
Claims (5)
1. a fume desulfurating absorption tower, including smoke inlet and exhanst gas outlet, it is characterised in that: it is provided with at described smoke inlet
Cooling layer, is provided with circulating absorption solution spraying layer in described absorption tower, the top on described absorption tower is provided with except mist layer；
Described cooling layer includes the nozzle A being arranged at top at described smoke inlet, and described nozzle A is by pipe joint and fresh water (FW)
Line tube connects, and described fresh water (FW) line tube is sequentially provided with the first butterfly valve and the second butterfly valve along fresh water (FW) flow direction,
Described second butterfly valve is connected with YE；
Described circulating absorption solution spraying layer is provided with three layers, and each layer of spraying layer is configured with a slurry circulating pump, each institute
State slurry circulating pump to be arranged on corresponding one main process stream pipeline, described main process stream pipeline one end and described absorption
The internal connection of tower, its other end connects with spraying layer；
Described include that the rotating stream tray that from bottom to top sets gradually, the first spiral-flow type demister and the second spiral-flow type remove mist except mist layer
It is respectively arranged with tower wall guiding gutter above device, described first spiral-flow type demister and described second spiral-flow type demister.
2. a kind of fume desulfurating absorption tower according to claim 1, it is characterised in that: described circulating absorption solution spraying layer is every
Layer is respectively equipped with 15 nozzle B, spray angles 90 °.
3. a kind of fume desulfurating absorption tower according to claim 2, it is characterised in that: described circulating absorption solution spraying layer is every
The mutual uniform intervals of layer is arranged, and adjacent layer spacing is 1.7m.
4. a kind of fume desulfurating absorption tower according to claim 1, it is characterised in that: in described circulating absorption solution spraying layer
Circulating absorption solution optimal pH scope be 5.5～6.
5. a kind of fume desulfurating absorption tower according to claim 1, it is characterised in that: each described main process stream pipe
Road is also respectively by a lateral and a cooling flushing water pipeline communication, and the other end of described cooling flushing water pipeline is respectively by even
Connecing arm to be connected with described slurry circulating pump, described connecting branch is provided with ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620516337.2U CN205700105U (en) | 2016-05-31 | 2016-05-31 | A kind of fume desulfurating absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620516337.2U CN205700105U (en) | 2016-05-31 | 2016-05-31 | A kind of fume desulfurating absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205700105U true CN205700105U (en) | 2016-11-23 |
Family
ID=57299560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620516337.2U Expired - Fee Related CN205700105U (en) | 2016-05-31 | 2016-05-31 | A kind of fume desulfurating absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205700105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999627A (en) * | 2018-01-05 | 2019-07-12 | 北京万信同和能源科技有限公司 | Wet plume abatement equipment and method for catalytic cracking wet desulphurization device |
-
2016
- 2016-05-31 CN CN201620516337.2U patent/CN205700105U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999627A (en) * | 2018-01-05 | 2019-07-12 | 北京万信同和能源科技有限公司 | Wet plume abatement equipment and method for catalytic cracking wet desulphurization device |
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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: 20161123 Termination date: 20170531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |