CN206881486U - Flue gas pre-washing device before a kind of desulfuration absorbing tower - Google Patents
Flue gas pre-washing device before a kind of desulfuration absorbing tower Download PDFInfo
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- CN206881486U CN206881486U CN201720741180.8U CN201720741180U CN206881486U CN 206881486 U CN206881486 U CN 206881486U CN 201720741180 U CN201720741180 U CN 201720741180U CN 206881486 U CN206881486 U CN 206881486U
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- absorbing tower
- desulfuration absorbing
- flue gas
- flue
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Abstract
The utility model discloses flue gas pre-washing device before a kind of desulfuration absorbing tower, detergent circulator including flue before desulfuration absorbing tower and for supplying cleaning solution needed for flue gas washing, flue is connected with the smoke inlet of desulfuration absorbing tower before desulfuration absorbing tower, if the direction that flue interior edge flue gas circulates before desulfuration absorbing tower is sequentially provided with dried layer and pre-washes spraying layer and rectification synergy coating, the nozzle that the outlet of detergent circulator is pre-washed with each layer in spraying layer is connected, and the device can effectively improve the pollutant removing ability of desulfuration absorbing tower.
Description
Technical field
It the utility model is related to a kind of wash mill, and in particular to flue gas pre-washing device before a kind of desulfuration absorbing tower.
Background technology
As China constantly releases more strict atmosphere pollutants emission standardses, coal unit is both needed to complete ultralow at present
Discharge transformation, is less than 35mg/m to reach sulfur dioxide concentration3, dust concentration is less than 5mg/m3, nitrous oxides concentration is less than
50mg/m3Minimum discharge standard.Conventional limestone gypsum wet flue gas desulfurizing absorptive tower flue gas is entered by absorption tower entrance at present
Enter, by demister by smoke stack emission after spraying layer removes pollutant.Absorption tower will realize pollutant minimum discharge, generally
Desulfuration efficiency will reach more than 99%, and absorption tower collaboration efficiency of dust collection reaches more than 80%, and conventional desulfurization absorption tower is difficult at present
Reach so efficient pollutant removing ability, it is necessary to carry out corresponding transformation to meet minimum discharge needs, but prior art
In there is no a kind of effective device for improving desulfuration absorbing tower pollutant removing ability.
Utility model content
A kind of the shortcomings that the purpose of this utility model is to overcome above-mentioned prior art, there is provided flue gas before desulfuration absorbing tower
Pre-washing device, the device can effectively improve the pollutant removing ability of desulfuration absorbing tower.
To reach above-mentioned purpose, flue gas pre-washing device includes desulfurization and absorbed before desulfuration absorbing tower described in the utility model
Flue and the detergent circulator for supplying cleaning solution needed for flue gas washing before tower, flue is inhaled with desulfurization before desulfuration absorbing tower
The smoke inlet for receiving tower is connected, if the direction that flue interior edge flue gas circulates before desulfuration absorbing tower is sequentially provided with dried layer and pre-washes spray
Drenching layer and rectification synergy coating, the nozzle that the outlet of detergent circulator is pre-washed with each layer in spraying layer are connected.
Flue is in horizontal distribution before the desulfuration absorbing tower.
Also include sprayed slurry collection bucket and pre-wash slurry tank, the bottom of flue goes out provided with cleaning solution before desulfuration absorbing tower
Mouthful, spraying layer is respectively pre-washed described in cleaning solution outlet face, sprayed slurry collection bucket is connected with cleaning solution outlet, sprayed
Slurries collection bucket is connected with pre-washing slurry tank, pre-washes the scrubbed liquid circulating pump in outlet of slurry tank side and each layer prewashing
The nozzle washed in spraying layer is connected.
Also include sprayed slurry collection bucket, the bottom of flue exports provided with cleaning solution before desulfuration absorbing tower, cleaning solution outlet
Face respectively pre-washes spraying layer, and the top of sprayed slurry collection bucket is connected with cleaning solution outlet, sprayed slurry collection bucket
Bottom be connected with the slurry pool of desulfuration absorbing tower bottom, the slurry pool of desulfuration absorbing tower bottom by detergent circulator with
The nozzle that each layer is pre-washed in spraying layer is connected.
The L-shaped distribution of flue before desulfuration absorbing tower.
Also include pre-washing slurry tank, flue includes vertical duct and horizontal pipeline before desulfuration absorbing tower, vertical duct
Lower end is connected with one end of horizontal pipeline, and the other end of horizontal pipeline is connected with the smoke inlet of desulfuration absorbing tower, prewashing
Wash spraying layer and rectification synergy coating is located in vertical duct, the bottom of the one end being connected on horizontal pipeline with vertical duct is recessed
Shape structure, the outlet at bottom of the concave structure are connected with pre-washing slurry tank, and the outlet for pre-washing slurry tank passes through washing
The nozzle that liquid circulating pump is pre-washed with each layer in spraying layer is connected.
Flue includes vertical duct and horizontal pipeline, the lower end of vertical duct and one end of horizontal pipeline before desulfuration absorbing tower
It is connected, the other end of horizontal pipeline is connected with the smoke inlet of desulfuration absorbing tower, pre-washes spraying layer and rectification synergy coating
In vertical duct, the bottom of the one end being connected on horizontal pipeline with vertical duct is concave structure, the concave structure
Outlet at bottom be connected with the slurry pool of desulfuration absorbing tower bottom, the slurry pool of desulfuration absorbing tower bottom is circulated by cleaning solution
The nozzle that pump is pre-washed with each layer in spraying layer is connected.
The number of plies for pre-washing spraying layer is 1-3 layers.
The number of plies for pre-washing spraying layer is 1-3 times of detergent circulator quantity.
The utility model has the advantages that：
For flue gas pre-washing device in concrete operations, detergent circulator is defeated before desulfuration absorbing tower described in the utility model
The cleaning solution gone out sprays into before desulfuration absorbing tower in flue through respectively pre-washing in spraying layer, the washing to flue gas is realized, after washing
The rectified synergy coating of flue gas strengthens the removing of pollutant in flue gas and carries out gas-liquid separation, and the flue gas after gas-liquid separation enters de-
Sulphur is further processed in absorption tower, is greatly lowered into SO in the flue gas of desulfuration absorbing tower2And the pollutant such as dust is dense
Degree, so as to effectively improve the pollutant removing ability of desulfuration absorbing tower, simple in construction, easy to operate, practicality is extremely strong.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment one in the utility model；
Fig. 2 is the structural representation of embodiment two in the utility model；
Fig. 3 is the structural representation of embodiment three in the utility model；
Fig. 4 is the structural representation of example IV in the utility model.
Wherein, 1 for pre-wash spraying layer, 2 be rectification synergy coating, 3 be sprayed slurry collection bucket, 4 be cleaning solution circulation
Pump, 5 is pre-wash slurry tank, 6 are desulfuration absorbing tower.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, flue gas pre-washing device includes cigarette before desulfuration absorbing tower before desulfuration absorbing tower described in the utility model
Road and the detergent circulator 4 for supplying cleaning solution needed for flue gas washing, flue and desulfuration absorbing tower 6 before desulfuration absorbing tower
Smoke inlet be connected, if the direction that flue interior edge flue gas circulates before desulfuration absorbing tower is sequentially provided with dried layer and pre-washes spraying layer
1 and rectification synergy coating 2, the outlet of detergent circulator 4 pre-wash the nozzle in spraying layer 1 with each layer and be connected.
The number of plies for pre-washing spraying layer 1 is 1-3 layers, and the number of plies for pre-washing spraying layer 1 is the quantity of detergent circulator 4
1-3 times.
Pre-wash spraying layer 1 to be made up of spraying layer main pipe, spray branch pipe and nozzle, spraying layer main pipe is arranged in outside flue
Top or sidepiece, spray branch pipe be arranged in inside flue, nozzle along spray branch pipe arrangement, arrangement of nozzles spacing be apart from nozzle
1 meter of place sprays slurries coverage rate and is not less than 100%.
Rectification synergy coating 2 is two row's bank of staggered pipes formulas, and Bundle material is PP plastics, carbon steel pipe outer wall anti-corrosion or steel alloy,
Two comb interfasciculars are away from 50-500 millimeters, and pipeline enclosure per comb beam is away from for 50-500 millimeters, a diameter of 50-200 millis of pipeline
Rice.
Pre-wash slurry tank 5 and be provided with agitator, densitometer, pH meter, liquid level gauge and gypsum excavationg pump, pre-wash slurry tank
5 slurry pH value is slightly above absorption tower stock tank；Lime stone slurry, which can be fed directly into, to be pre-washed in slurry tank 5.
Embodiment one
Flue is in horizontal distribution before the desulfuration absorbing tower, and the utility model also includes sprayed slurry collection bucket 3 and prewashing
Wash slurry tank 5, the bottom of flue is exported provided with cleaning solution before desulfuration absorbing tower, and spray is respectively pre-washed described in cleaning solution outlet face
Layer 1, sprayed slurry collection bucket 3 are connected with cleaning solution outlet, and sprayed slurry collection bucket 3 is connected with pre-washing slurry tank 5
Logical, the scrubbed liquid circulating pump 4 in outlet for pre-washing the side of slurry tank 5 pre-washes the nozzle in spraying layer 1 with each layer and is connected.
Embodiment two
Flue is in horizontal distribution before the desulfuration absorbing tower, and the utility model also includes sprayed slurry collection bucket 3, and desulfurization is inhaled
The bottom of flue exports provided with cleaning solution before receipts tower, and cleaning solution outlet face respectively pre-washes spraying layer 1, sprayed slurry collection bucket 3
The outlet of top and the cleaning solution be connected, the slurry pool phase of the bottom and the bottom of desulfuration absorbing tower 6 of sprayed slurry collection bucket 3
Connection, the slurry pool of the bottom of desulfuration absorbing tower 6 pre-wash the nozzle in spraying layer 1 with each layer by detergent circulator 4 and are connected
It is logical.
Embodiment three
The L-shaped distribution of flue before desulfuration absorbing tower, the utility model also includes pre-washing slurry tank 5, before desulfuration absorbing tower
Flue includes vertical duct and horizontal pipeline, and the lower end of vertical duct is connected with one end of horizontal pipeline, horizontal pipeline it is another
One end is connected with the smoke inlet of desulfuration absorbing tower 6, pre-washes spraying layer 1 and rectification synergy coating 2 is located in vertical duct, horizontal
The bottom of the one end being connected on to pipeline with vertical duct is concave structure, and the outlet at bottom of the concave structure is with pre-washing
Slurry tank 5 is connected, and pre-wash slurry tank 5 exports the nozzle pre-washed by detergent circulator 4 and each layer in spraying layer 1
It is connected.
Example IV
Flue includes vertical duct and horizontal pipeline, the lower end of vertical duct and one end of horizontal pipeline before desulfuration absorbing tower
It is connected, the other end of horizontal pipeline is connected with the smoke inlet of desulfuration absorbing tower 6, pre-washes spraying layer 1 and rectification synergy
Layer 2 is in the vertical duct, and the bottom of the one end being connected on horizontal pipeline with vertical duct is concave structure, the spill knot
The outlet at bottom of structure is connected with the slurry pool of the bottom of desulfuration absorbing tower 6, and the slurry pool of the bottom of desulfuration absorbing tower 6 passes through cleaning solution
Circulating pump 4 pre-washes the nozzle in spraying layer 1 with each layer and is connected.
Specific work process of the present utility model is：
The washing slurries that detergent circulator 4 exports are ejected into before desulfuration absorbing tower in flue through respectively pre-washing spraying layer 1,
The washing to flue gas in flue before desulfuration absorbing tower is realized, the rectified synergy coating 2 of the flue gas after washing strengthens the removing of pollutant
And gas-liquid separation is carried out, the flue gas separated is entered further to be handled into desulfuration absorbing tower 6, so as to substantially reduce entrance
SO in the flue gas of desulfuration absorbing tower 62And the pollutant concentration such as dust, becoming more meticulous to remove for pollutant in desulfuration absorbing tower 6 provides
Preferable boundary condition.
Claims (9)
1. flue gas pre-washing device before a kind of desulfuration absorbing tower, it is characterised in that including flue before desulfuration absorbing tower and be used for
The detergent circulator (4) of cleaning solution needed for flue gas washing is supplied, the flue gas of flue and desulfuration absorbing tower (6) before desulfuration absorbing tower
Entrance is connected, if before desulfuration absorbing tower flue interior edge flue gas circulate direction be sequentially provided with dried layer pre-wash spraying layer (1) and
Rectification synergy coating (2), the nozzle that outlet and each layer of detergent circulator (4) are pre-washed in spraying layer (1) are connected.
2. flue gas pre-washing device before desulfuration absorbing tower according to claim 1, it is characterised in that the desulfuration absorbing tower
Preceding flue is in horizontal distribution.
3. flue gas pre-washing device before desulfuration absorbing tower according to claim 2, it is characterised in that also including sprayed slurry
Collection bucket (3) and slurry tank (5) is pre-washed, the bottom of flue exports provided with cleaning solution before desulfuration absorbing tower, and cleaning solution exports just
Spraying layer (1) is respectively pre-washed to described, sprayed slurry collection bucket (3) is connected with cleaning solution outlet, and sprayed slurry is collected
Bucket (3) is connected with pre-washing slurry tank (5), pre-washes the scrubbed liquid circulating pump (4) in outlet of slurry tank (5) side and each layer
The nozzle pre-washed in spraying layer (1) is connected.
4. flue gas pre-washing device before desulfuration absorbing tower according to claim 2, it is characterised in that also including sprayed slurry
Collection bucket (3), the bottom of flue exports provided with cleaning solution before desulfuration absorbing tower, and cleaning solution outlet face respectively pre-washes spraying layer
(1), the top of sprayed slurry collection bucket (3) is connected with cleaning solution outlet, and the bottom of sprayed slurry collection bucket (3) is with taking off
The slurry pool of sulphur absorption tower (6) bottom is connected, the slurry pool of desulfuration absorbing tower (6) bottom by detergent circulator (4) with
The nozzle that each layer is pre-washed in spraying layer (1) is connected.
5. flue gas pre-washing device before desulfuration absorbing tower according to claim 1, it is characterised in that cigarette before desulfuration absorbing tower
The L-shaped distribution in road.
6. flue gas pre-washing device before desulfuration absorbing tower according to claim 5, it is characterised in that also include pre-washing slurry
Liquid case (5), flue includes vertical duct and horizontal pipeline, the lower end of vertical duct and one end of horizontal pipeline before desulfuration absorbing tower
It is connected, the other end of horizontal pipeline is connected with the smoke inlet of desulfuration absorbing tower (6), pre-washes spraying layer (1) and rectification
Synergy coating (2) is located in vertical duct, and the bottom of the one end being connected on horizontal pipeline with vertical duct is concave structure, described
The outlet at bottom of concave structure is connected with pre-washing slurry tank (5), and the outlet for pre-washing slurry tank (5) is circulated by cleaning solution
Pump (4) pre-washes the nozzle in spraying layer (1) with each layer and is connected.
7. flue gas pre-washing device before desulfuration absorbing tower according to claim 5, it is characterised in that cigarette before desulfuration absorbing tower
Road includes vertical duct and horizontal pipeline, and the lower end of vertical duct is connected with one end of horizontal pipeline, horizontal pipeline it is another
End is connected with the smoke inlet of desulfuration absorbing tower (6), pre-washes spraying layer (1) and rectification synergy coating (2) is located at vertical duct
Interior, the bottom of the one end being connected on horizontal pipeline with vertical duct is concave structure, the outlet at bottom of the concave structure with
The slurry pool of desulfuration absorbing tower (6) bottom is connected, and the slurry pool of desulfuration absorbing tower (6) bottom passes through detergent circulator (4)
The nozzle in spraying layer (1) is pre-washed with each layer to be connected.
8. flue gas pre-washing device before desulfuration absorbing tower according to claim 1, it is characterised in that described to pre-wash spray
The number of plies of layer (1) is 1-3 layers.
9. flue gas pre-washing device before desulfuration absorbing tower according to claim 1, it is characterised in that pre-wash spraying layer
(1) the number of plies is 1-3 times of detergent circulator (4) quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741180.8U CN206881486U (en) | 2017-06-23 | 2017-06-23 | Flue gas pre-washing device before a kind of desulfuration absorbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741180.8U CN206881486U (en) | 2017-06-23 | 2017-06-23 | Flue gas pre-washing device before a kind of desulfuration absorbing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206881486U true CN206881486U (en) | 2018-01-16 |
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ID=61316643
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720741180.8U Active CN206881486U (en) | 2017-06-23 | 2017-06-23 | Flue gas pre-washing device before a kind of desulfuration absorbing tower |
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| Country | Link |
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| CN (1) | CN206881486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579316A (en) * | 2018-07-05 | 2018-09-28 | 山东三融环保工程有限公司 | A kind of flue gas for wet desulfuration tower disappears white plumage governing system |
| CN113413747A (en) * | 2021-07-13 | 2021-09-21 | 盘锦富添石油化工发展有限公司 | Desulfurizing tower and desulfurizing method for producing tar resin |
-
2017
- 2017-06-23 CN CN201720741180.8U patent/CN206881486U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579316A (en) * | 2018-07-05 | 2018-09-28 | 山东三融环保工程有限公司 | A kind of flue gas for wet desulfuration tower disappears white plumage governing system |
| CN113413747A (en) * | 2021-07-13 | 2021-09-21 | 盘锦富添石油化工发展有限公司 | Desulfurizing tower and desulfurizing method for producing tar resin |
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