CN211358280U - Slurry circulating system of desulfurization absorption tower - Google Patents
Slurry circulating system of desulfurization absorption tower Download PDFInfo
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- CN211358280U CN211358280U CN201922030545.8U CN201922030545U CN211358280U CN 211358280 U CN211358280 U CN 211358280U CN 201922030545 U CN201922030545 U CN 201922030545U CN 211358280 U CN211358280 U CN 211358280U
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- desulfurization absorption
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Abstract
The utility model discloses a slurry circulating system of a desulfurization absorption tower, which comprises a desulfurization absorption tower (1), wherein a plurality of spraying layers are arranged in the desulfurization absorption tower (1), and the bottom of the desulfurization absorption tower (1) is communicated with a slurry circulating pump (2); each two or three spraying layers are communicated with a slurry circulating pump (2) through the same slurry pipeline (3); each spraying layer is communicated with the slurry pipeline (3) through a slurry pipeline tee joint (4). The multiple spraying layers share one slurry circulating pump and one slurry pipeline, so that the number of pumps and matched motors can be reduced, the number of pipelines is reduced, the occupied space is greatly reduced, and matched building facilities are reduced, thereby saving the investment cost.
Description
Technical Field
The utility model relates to a wet flue gas desulfurization technical field especially relates to a desulfurization absorption tower thick liquid circulation system.
Background
In coal fired power plant's wet flue gas desulfurization process, the thick liquid circulation system of absorption tower includes that pump, pipeline and tower spray the layer etc. and constitute, and pump inlet pipe connects the bottom from absorption tower thick liquid pond, and the thick liquid of thick liquid circulating pump extraction absorption tower bottom sprays the layer through connecting the pipeline pump-feed to tower upper portion and is connected.
Each spray layer of the traditional desulfurization process is provided with a pump and a corresponding pipeline, the required desulfurization efficiency is higher along with the improvement of the environmental protection requirement, the number of the spray layers is increased, the number of the pumps and the corresponding pipelines is correspondingly increased, the occupied space of the pumps and the pipelines is larger, and the investment is also more.
SUMMERY OF THE UTILITY MODEL
Every layer sprays the layer and all is furnished with a pump and corresponding pipeline in to current desulfurization process, causes pump and pipeline many, especially carries the problem that imitates transformation in-process equipment and piping arrangement does not open, the utility model provides a desulfurization absorption tower thick liquid circulation system. The adoption of one pump instead of two pumps and the simultaneous supply of slurry to two spraying layers can reduce the number of pumps and pipelines and simplify the related control system.
In order to achieve the above object, the utility model discloses a technical scheme specifically as follows:
a slurry circulating system of a desulfurization absorption tower comprises the desulfurization absorption tower, wherein a plurality of spraying layers are arranged in the desulfurization absorption tower, and the bottom of the desulfurization absorption tower is communicated with a slurry circulating pump; each two or three spraying layers are communicated with a slurry circulating pump through the same slurry pipeline; each spraying layer is communicated with the slurry pipeline through a slurry pipeline tee joint.
Wherein, the upper end of each slurry pipeline is provided with a pipeline seal head.
Wherein, a flow adjusting device is arranged between the uppermost spraying layer in the spraying layers connected with the same slurry pipeline and the slurry pipeline tee joint.
The nth spraying layer and the (n + 1) th spraying layer are communicated with the slurry circulating pump through the same slurry pipeline, wherein n is an odd number.
Wherein, the flow regulating device adopts a variable flow cross section type. Is a regulating valve or a hole plate type throttling device. The flow regulating device is made of wear-resistant and corrosion-resistant alloy materials or glass fiber reinforced plastic materials and is connected with the slurry pipeline through a flange.
The slurry pipeline is a rubber-lined steel pipe and is connected in sections through flange joints.
Wherein, the desulfurization absorption tower is made of carbon steel material, and the inside of the desulfurization absorption tower adopts lining glue or glass flakes for corrosion prevention.
The slurry pipeline tee joint is an unequal-diameter tee joint, the steel pipe is lined with rubber, and the flange joint is arranged on the steel pipe.
Compared with the prior art, the utility model discloses an outstanding effect lies in:
(1) the two spraying layers share one slurry circulating pump and one slurry pipeline, so that the number of pumps and matched motors can be reduced, the number of pipelines is reduced, the occupied space is greatly reduced, and matched building facilities are reduced, thereby saving the investment cost.
(2) Under the condition of the same output, the energy consumption of a single pump is lower than that of two pumps, so that the system has higher energy utilization efficiency, can reduce the electricity consumption and save the operating cost.
(3) After the pump and the pipeline system are shared, the corresponding electric and instrument control equipment investment is reduced, the control system is simplified, and the operation control program is simplified.
The slurry circulation system of the desulfurization absorption tower of the present invention will be further described with reference to the accompanying drawings and specific examples.
Drawings
Fig. 1 is a schematic structural diagram of the slurry circulation system of the desulfurization absorption tower of the present invention.
1-a desulfurization absorption tower; 2-slurry circulating pump; 3-a first slurry conduit; 4-slurry pipeline tee joint; 5-a flow regulating device; 6-a first spray layer; 7-a second spraying layer; 8-a third spraying layer; 9-a fourth spraying layer; 10-a second slurry conduit; 11-pipeline end socket. Wherein, the slurry circulating pump connected with the third spraying layer 8 and the fourth spraying layer 9 is not shown.
Detailed Description
As shown in fig. 1, a slurry circulation system of a desulfurization absorption tower comprises a desulfurization absorption tower 1, wherein 4 spraying layers are arranged in the desulfurization absorption tower 1; the spraying layer is sequentially a first spraying layer 6, a second spraying layer 7, a third spraying layer 8 and a fourth spraying layer 9 from bottom to top.
The bottom of the desulfurization absorption tower 1 is communicated with a slurry circulating pump 2; each two spraying layers are communicated with a slurry circulating pump 2 through the same slurry pipeline 3; each spraying layer is communicated with the slurry pipeline 3 through a slurry pipeline tee joint 4. In other beneficial embodiments, other spraying layers can be arranged in the desulfurization absorption tower 1, and each three spraying layers can share one slurry pipeline and one slurry circulating pump.
The upper end of each slurry pipeline 3 is provided with a pipeline end enclosure 11.
And a flow regulating device 5 is arranged between the uppermost spraying layer in the spraying layers connected with the same slurry pipeline 3 and the slurry pipeline tee joint 4. The flow regulating device 5 can control the flow of the upper spraying layer to be consistent with the flow of the lower spraying layer.
The flow regulating device 5 adopts a variable flow cross section type. The flow regulating device 5 is a regulating valve or a hole plate type throttling device. The flow regulating device 5 is made of wear-resistant and corrosion-resistant alloy material or glass fiber reinforced plastic material and is connected with the slurry pipeline 3 through a flange.
The slurry pipeline 3 is a rubber-lined steel pipe and is connected in sections through flange joints. The desulfurization absorption tower 1 is made of carbon steel material, and the inside of the desulfurization absorption tower is protected by lining glue or glass flakes. The slurry pipeline tee joint 4 is an unequal-diameter tee joint, a steel pipe is lined with glue, and a flange joint is formed.
When the device is used, slurry enters from the bottom of the absorption tower 1 through the inlet of the slurry circulating pump 2, is divided into two streams after being boosted through the slurry pipeline 3 and the slurry pipeline tee joint 4, and the lower-layer branch stream enters the first-layer spraying layer 6; the upper layer of branch liquid flow passes through the flow regulating device 5 and enters a second layer of spraying layer 7 on the upper layer; the slurry is sprayed out from the spray layer and falls into a slurry pool at the bottom of the absorption tower 1 under the action of gravity. The third spraying layer 8 and the fourth spraying layer 9 on the upper layer are simultaneously supplied with slurry by another set of slurry pipelines 10 and a slurry circulating pump.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (10)
1. The utility model provides a desulfurization absorption tower thick liquid circulation system which characterized in that: the device comprises a desulfurization absorption tower (1), wherein a plurality of spraying layers are arranged in the desulfurization absorption tower (1), and the bottom of the desulfurization absorption tower (1) is communicated with a slurry circulating pump (2); each two or three spraying layers are communicated with a slurry circulating pump (2) through the same slurry pipeline (3); each spraying layer is communicated with the slurry pipeline (3) through a slurry pipeline tee joint (4).
2. The desulfurization absorption tower slurry circulation system according to claim 1, characterized in that: the upper end of each slurry pipeline (3) is provided with a pipeline seal head (11).
3. The desulfurization absorption tower slurry circulation system according to claim 2, characterized in that: and a flow regulating device (5) is arranged between the uppermost spraying layer in the spraying layers connected with the same slurry pipeline (3) and the slurry pipeline tee joint (4).
4. The desulfurization absorption tower slurry circulation system according to claim 3, characterized in that: the nth spraying layer and the (n + 1) th spraying layer are communicated with the slurry circulating pump (2) through the same slurry pipeline (3), wherein n is an odd number.
5. The desulfurization absorption tower slurry circulation system according to claim 4, characterized in that: the flow regulating device (5) adopts a variable flow cross section type.
6. The desulfurization absorption tower slurry circulation system according to claim 5, characterized in that: the flow regulating device (5) is a regulating valve or a hole plate type throttling device.
7. The desulfurization absorption tower slurry circulation system according to claim 6, characterized in that: the flow regulating device (5) is made of wear-resistant and corrosion-resistant alloy materials or glass fiber reinforced plastic materials and is connected with the slurry pipeline (3) through a flange.
8. The desulfurization absorption tower slurry circulation system according to claim 7, characterized in that: the slurry pipeline (3) is a rubber-lined steel pipe and is connected in sections through flange joints.
9. The desulfurization absorption tower slurry circulation system according to claim 8, characterized in that: the desulfurization absorption tower (1) is made of carbon steel material, and the inside of the desulfurization absorption tower is protected from corrosion by lining glue or glass flakes.
10. The desulfurization absorption tower slurry circulation system according to claim 9, characterized in that: the slurry pipeline tee joint (4) is an unequal-diameter tee joint, a steel pipe is lined with rubber, and a flange joint is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030545.8U CN211358280U (en) | 2019-11-22 | 2019-11-22 | Slurry circulating system of desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922030545.8U CN211358280U (en) | 2019-11-22 | 2019-11-22 | Slurry circulating system of desulfurization absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211358280U true CN211358280U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922030545.8U Active CN211358280U (en) | 2019-11-22 | 2019-11-22 | Slurry circulating system of desulfurization absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211358280U (en) |
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2019
- 2019-11-22 CN CN201922030545.8U patent/CN211358280U/en active Active
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