CN207076333U - A kind of desulfurization column in series grout replacement device - Google Patents
A kind of desulfurization column in series grout replacement device Download PDFInfo
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- CN207076333U CN207076333U CN201720729327.1U CN201720729327U CN207076333U CN 207076333 U CN207076333 U CN 207076333U CN 201720729327 U CN201720729327 U CN 201720729327U CN 207076333 U CN207076333 U CN 207076333U
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Abstract
The utility model discloses a kind of desulfurization column in series grout replacement device, belong to desulfurizing tower technical field.It includes first grade absorption tower (1), flue (4) and two-level absorption tower (12), the bottom of first grade absorption tower (1) is provided with stock tank A (6), the bottom of two-level absorption tower (12) is provided with stock tank B (16), and the top of first grade absorption tower (1) is connected by flue (4) with the middle part of two-level absorption tower (12).The device is additionally provided with pipeline A (18), pipeline B (19) and pipeline C (20), stock tank A (6) is connected by pipeline A (18) with stock tank B (16), stock tank A (6) is also connected by pipeline B (19) with stock tank B (16), and stock tank A (6) is also connected by pipeline C (20) with stock tank B (16).The present apparatus can realize the water balance and density balance of two column in series, moreover it is possible to improve desulfuration efficiency, reduce energy consumption.
Description
Technical field
A kind of desulfurization column in series grout replacement device is the utility model is related to, belongs to desulfurizing tower technical field.
Background technology
Current sulfur removal technology has many kinds, and wherein Limestone-gypsum Wet Flue Gas Desulfurization Process technique account for more than 80%.Electricity at present
Factory is equipped with desulfurizer, to meet environmental requirement.Because many power plant soot sulfur content are higher, just using the side of column in series
Case.After flue gas is introduced into first grade absorption tower progress desulfurization process, further carried out by flue into two-level absorption tower at desulfurization
Reason.Most of SO2 completes to absorb and generate accessory substance gypsum in first grade absorption tower, and two-level absorption tower handles remaining small part SO2,
First grade absorption tower stock tank serum density is more than two-level absorption tower stock tank serum density.Due to the density of two column in series difference and
The problem of water balance, UNICOM's mode of two tower stock tanks are most important to whole system operation.In the prior art, machine is typically passed through
The mode of tool conveying solves the above problems, but desulfuration efficiency is low, power consumption is high.
Utility model content
The purpose of this utility model is, there is provided a kind of desulfurization column in series grout replacement device, the present apparatus can realize two
The water balance and density balance of individual column in series, moreover it is possible to improve desulfuration efficiency, reduce energy consumption.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：
A kind of desulfurization column in series grout replacement device includes first grade absorption tower, flue and two-level absorption tower, and the one-level is inhaled
The bottom for receiving tower is provided with stock tank A, and middle and upper part is uptake zone.The bottom of the two-level absorption tower is provided with stock tank B, and middle and upper part is absorption
Area.The top of the first grade absorption tower is connected by the middle part of flue and two-level absorption tower.Make in desulphurization plant transformation project
With the mode of this double-column in series, not only do not had to dismantle old absorption tower but also the internal structure on new absorption tower can be simplified, made full use of
Old resource, save cost.First grade absorption tower also includes demister, spraying layer, circulating line and circulating pump, the spraying layer it is upper
Portion is provided with demister, and the spraying layer is also connected by circulating line with stock tank A, close to the one of stock tank A on the circulating line
End is provided with circulating pump.The two-level absorption tower also includes demister, spraying layer, circulating line and circulating pump, and the spraying layer leads to
Cross circulating line with stock tank B to be connected, circulating pump is provided with close to stock tank B one end on the circulating line.The grout replacement device
Be additionally provided with pipeline A, pipeline B and pipeline C, the stock tank A is connected by pipeline A with stock tank B, the stock tank A also by pipeline B with
Stock tank B connections, the stock tank A are also connected by pipeline C with stock tank B.
Foregoing pipeline A is provided with cyclone, and the pipeline B is provided with two level tower grout replacement pump, set on the pipeline C
There is first stage tower grout replacement pump.First grade absorption tower uses first stage tower grout replacement pump, and the high slurries of first grade absorption tower density are defeated
Two-level absorption tower is sent to, improves two-level absorption tower stock tank solid content, makes up slurry caused by entering stock tank B due to mist eliminator flushing water
Liquid-tight degree declines, and maintains serum density balance.Two-level absorption tower is using two level tower grout replacement pump slurries in two-level absorption tower
It is transported to cyclone.Wherein the underflow of cyclone returns to two-level absorption tower, and overflow enters first grade absorption tower, ensure that two level absorbs
The water balance of tower.The pipeline B is divided into two bypass lines, respectively tie point and second close to one end of first grade absorption tower
Branch road, the tie point are connected with stock tank A, and second branch road is connected with cyclone.
Foregoing tie point is provided with electrically operated valve A, and second branch road is provided with electrically operated valve B, tie point and
Second branch road is switched over by electrically operated valve A and electrically operated valve B respectively.When electrically operated valve A is closed, electrically operated valve B is opened,
Slurries are transported to cyclone in two-level absorption tower, maintain two-level absorption tower liquid level equilibrium and water balance；When electrically operated valve A open,
When electrically operated valve B is closed, slurries can not be fed directly to first grade absorption tower by cyclone in two-level absorption tower, can dilute one
Level absorption tower serum density, maintains first grade absorption tower liquid level equilibrium.
Foregoing first grade absorption tower includes smoke inlet A and exhanst gas outlet A, the smoke inlet A are placed in first grade absorption tower
The middle part of side, the exhanst gas outlet A are placed in the top of first grade absorption tower opposite side.The two-level absorption tower includes smoke inlet
B and exhanst gas outlet B, the smoke inlet B are placed in the middle part of two-level absorption tower side, and the exhanst gas outlet B is placed in two level absorption
The top of tower opposite side.The exhanst gas outlet A is connected by flue with smoke inlet B.
Beneficial, the bottom of foregoing first grade absorption tower is additionally provided with gypsum excavationg pump, and gypsum is discharged by gypsum excavationg pump
To control serum density to keep stable.
Compared with prior art, the utility model passes through the phase interworking between a plurality of pipeline and cyclone, grout replacement pump
Close, realize the liquid level equilibrium, water balance and density balance of two column in series, moreover it is possible to improve desulfuration efficiency, reduce energy consumption.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
The implication of reference：1- first grade absorption towers, 2- smoke inlets A, 3- exhanst gas outlet A, 4- flue, 5- electrically operated valves
A, 6- stock tank A, 7- demister, 8- spraying layers, 9- circulating lines, 10- circulating pumps, 11- electrically operated valves B, 12- two-level absorption tower,
13- smoke inlets B, 14- exhanst gas outlet B, 15- tie point, 16- stock tanks B, 17- gypsum excavationg pump, 18- pipelines A, 19- pipeline
B, 20- pipeline C, 21- cyclone, 22- first stage tower grout replacement pumps, 23- two level tower grout replacement pumps, the branch roads of 24- second.
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment
Embodiment 1 of the present utility model：As shown in figure 1, a kind of desulfurization column in series grout replacement device includes first order absorption
Tower 1, flue 4 and two-level absorption tower 12, the bottom of first grade absorption tower 1 are provided with stock tank A6, and middle and upper part is uptake zone.Two-level absorption tower
12 bottom is provided with stock tank B16, and middle and upper part is uptake zone.The top of first grade absorption tower 1 passes through flue 4 and two-level absorption tower 12
Middle part connects.The mode of this double-column in series is used in desulphurization plant transformation project, does not only have to dismantle old absorption tower but also can be with
Simplify the internal structure on new absorption tower, make full use of old resource, save cost.First grade absorption tower 1 also includes demister 7, spray
Layer 8, circulating line 9 and circulating pump 10, the top of spraying layer 8 are provided with demister 7, and spraying layer 8 also passes through circulating line 9 and stock tank
A6 is connected, and circulating pump 10 is provided with close to stock tank A6 one end on circulating line 9.Two-level absorption tower 12 also includes demister 7, spray
Layer 8, circulating line 9 and circulating pump 10, spraying layer 8 are connected by circulating line 9 with stock tank B16, close to stock tank on circulating line 9
B16 one end is provided with circulating pump 10.The grout replacement device is additionally provided with pipeline A18, pipeline B19 and pipeline C20, and stock tank A6 passes through
Pipeline A18 is connected with stock tank B16, and stock tank A6 is also connected by pipeline B19 with stock tank B16, and stock tank A6 also passes through pipeline C20 and slurry
Pond B16 connections.
Wherein, pipeline A18 is provided with cyclone 21, and pipeline B19 is provided with two level tower grout replacement pump 23, on pipeline C20
Provided with first stage tower grout replacement pump 22.First grade absorption tower 1 is high the density of first grade absorption tower 1 using first stage tower grout replacement pump 22
Slurries be transported to two-level absorption tower 12, improve the stock tank solid content of two-level absorption tower 12, make up because the flushing water of demister 7 enters
Serum density caused by stock tank B16 declines, and maintains serum density balance.Two-level absorption tower 12 is using two level tower grout replacement pump 23
Slurries in two-level absorption tower 12 are transported to cyclone 21.Wherein the underflow of cyclone 21 returns to two-level absorption tower 12, and overflow is entered
Enter first grade absorption tower 1, ensure that the water balance of two-level absorption tower 12.Pipeline B19 is divided into two close to one end of first grade absorption tower 1
Bypass line, the respectively branch road 24 of tie point 15 and second, tie point 15 are connected with stock tank A6, the second branch road 24 and eddy flow
Device 21 connects.Tie point 15 is provided with electrically operated valve A5, and the second branch road 24 is provided with electrically operated valve B11, the He of tie point 15
Second branch road 24 is switched over by electrically operated valve A5 and electrically operated valve B11 respectively.When electrically operated valve A5 closings, electrically operated valve
When B11 is opened, slurries are transported to cyclone 21 in two-level absorption tower 12, maintain the liquid level equilibrium of two-level absorption tower 12 and water balance；
When electrically operated valve A5 is opened, electrically operated valve B11 is closed, slurries can not directly be conveyed by cyclone 21 in two-level absorption tower 12
To first grade absorption tower 1, the serum density of first grade absorption tower 1 can be diluted, maintains the liquid level equilibrium of first grade absorption tower 1.First grade absorption tower 1
Including smoke inlet A2 and exhanst gas outlet A3, smoke inlet A2 is placed in the middle part of the side of first grade absorption tower 1, and exhanst gas outlet A3 is placed in
The top of the opposite side of first grade absorption tower 1.Two-level absorption tower 12 includes smoke inlet B13 and exhanst gas outlet B14, smoke inlet B13
The middle part of the side of two-level absorption tower 12 is placed in, exhanst gas outlet B14 is placed in the top of the opposite side of two-level absorption tower 12.Exhanst gas outlet A3
It is connected by flue 4 with smoke inlet B13.The bottom of first grade absorption tower 1 is additionally provided with gypsum excavationg pump 17, passes through gypsum excavationg pump
17 discharge gypsum are stable to control serum density holding.
Embodiment 2：As shown in figure 1, a kind of desulfurization column in series grout replacement device includes first grade absorption tower 1, flue 4 and two
Level absorption tower 12, the bottom of first grade absorption tower 1 are provided with stock tank A6, and middle and upper part is uptake zone.The bottom of two-level absorption tower 12 is provided with
Stock tank B16, middle and upper part are uptake zone.The top of first grade absorption tower 1 is connected by flue 4 with the middle part of two-level absorption tower 12.
The mode of this double-column in series is used in desulphurization plant transformation project, does not only have to dismantle old absorption tower but also new absorption can be simplified
The internal structure of tower, make full use of old resource, save cost.First grade absorption tower 1 also includes demister 7, spraying layer 8, circulation pipe
Road 9 and circulating pump 10, the top of spraying layer 8 are provided with demister 7, and spraying layer 8 is also connected with stock tank A6 by circulating line 9, followed
On endless tube road 9 circulating pump 10 is provided with close to stock tank A6 one end.Two-level absorption tower 12 also includes demister 7, spraying layer 8, circulation
Pipeline 9 and circulating pump 10, spraying layer 8 are connected by circulating line 9 with stock tank B16, close to the one of stock tank B16 on circulating line 9
End is provided with circulating pump 10.The grout replacement device is additionally provided with pipeline A18, pipeline B19 and pipeline C20, and stock tank A6 passes through pipeline A18
It is connected with stock tank B16, stock tank A6 is also connected by pipeline B19 with stock tank B16, and stock tank A6 is also connected by pipeline C20 and stock tank B16
Connect.
Claims (5)
1. a kind of desulfurization column in series grout replacement device, including first grade absorption tower (1), flue (4) and two-level absorption tower (12), institute
The bottom for stating first grade absorption tower (1) is provided with stock tank A (6), and the bottom of the two-level absorption tower (12) is provided with stock tank B (16), described
The top of first grade absorption tower (1) is connected by flue (4) with the middle part of two-level absorption tower (12), it is characterised in that is additionally provided with pipe
Road A (18), pipeline B (19) and pipeline C (20), the stock tank A (6) are connected by pipeline A (18) with stock tank B (16), the slurry
Pond A (6) is also connected by pipeline B (19) with stock tank B (16), and the stock tank A (6) is also connected by pipeline C (20) and stock tank B (16)
Connect.
2. desulfurization column in series grout replacement device according to claim 1, it is characterised in that set on the pipeline A (18)
There is cyclone (21), the pipeline B (19) is provided with two level tower grout replacement pump (23), and the pipeline C (20) is provided with one-level
Tower grout replacement pump (22)；The pipeline B (19) is divided into two bypass lines close to one end of first grade absorption tower (1), is respectively
Tie point (15) and the second branch road (24), the tie point (15) are connected with stock tank A (6), second branch road (24) with
Cyclone (21) connects.
3. desulfurization column in series grout replacement device according to claim 2, it is characterised in that on the tie point (15)
Provided with electrically operated valve A (5), second branch road (24) is provided with electrically operated valve B (11).
4. desulfurization column in series grout replacement device according to claim 3, it is characterised in that the first grade absorption tower (1)
Including smoke inlet A (2) and exhanst gas outlet A (3), the smoke inlet A (2) is placed in the middle part of first grade absorption tower (1) side, institute
State the top that exhanst gas outlet A (3) is placed in first grade absorption tower (1) opposite side；
The two-level absorption tower (12) includes smoke inlet B (13) and exhanst gas outlet B (14), and the smoke inlet B (13) is placed in
The middle part of two-level absorption tower (12) side, the exhanst gas outlet B (14) are placed in the top of two-level absorption tower (12) opposite side；It is described
Exhanst gas outlet A (3) is connected by flue (4) with smoke inlet B (13).
5. desulfurization column in series grout replacement device according to claim 4, it is characterised in that the first grade absorption tower (1)
Bottom be additionally provided with gypsum excavationg pump (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720729327.1U CN207076333U (en) | 2017-06-21 | 2017-06-21 | A kind of desulfurization column in series grout replacement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720729327.1U CN207076333U (en) | 2017-06-21 | 2017-06-21 | A kind of desulfurization column in series grout replacement device |
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| Publication Number | Publication Date |
|---|---|
| CN207076333U true CN207076333U (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720729327.1U Active CN207076333U (en) | 2017-06-21 | 2017-06-21 | A kind of desulfurization column in series grout replacement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307579A (en) * | 2022-01-05 | 2022-04-12 | 南方电网电力科技股份有限公司 | Desulfurization and carbon entrapment integration system |
-
2017
- 2017-06-21 CN CN201720729327.1U patent/CN207076333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307579A (en) * | 2022-01-05 | 2022-04-12 | 南方电网电力科技股份有限公司 | Desulfurization and carbon entrapment integration system |
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