CN215388705U - Novel desulfurization liquid-holding layer slurry supply system - Google Patents
Novel desulfurization liquid-holding layer slurry supply system Download PDFInfo
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- CN215388705U CN215388705U CN202120619399.7U CN202120619399U CN215388705U CN 215388705 U CN215388705 U CN 215388705U CN 202120619399 U CN202120619399 U CN 202120619399U CN 215388705 U CN215388705 U CN 215388705U
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Abstract
The utility model belongs to the technical field of desulfurization of thermal power plants, and particularly relates to a novel desulfurization liquid-holding layer slurry supply system which comprises a liquid-holding layer, wherein a circulating pipeline is arranged on the lower surface of the liquid-holding layer, a circulating pump and a circulating filter screen are arranged on the circulating pipeline, the circulating filter screen is positioned in front of an inlet of the circulating pump, the other end of the circulating pipeline is connected with a plurality of circulating spray pipes, the circulating spray pipes are uniformly distributed in the liquid-holding layer, a plurality of slurry replenishing spray pipes are also arranged in the liquid-holding layer, the circulating spray pipes and the slurry replenishing spray pipes are arranged in a crossed manner, the plurality of slurry replenishing spray pipes are connected with a slurry replenishing main pipe, a first electromagnetic valve is arranged on the slurry replenishing main pipe, and the slurry replenishing main pipe is connected with the slurry supply pipe. According to the utility model, the slurry supplementing spray pipe is additionally arranged behind the slurry supplementing main pipe to supplement slurry, and the slurry supplementing mode is not easy to cause the blockage of the liquid holding layer no matter continuous slurry supplementing or intermittent slurry supplementing is carried out, so that the long-period operation of the liquid holding layer system is ensured.
Description
Technical Field
The utility model belongs to the technical field of thermal power plant desulfurization, and particularly relates to a novel desulfurization liquid-holding layer slurry supply system.
Background
The liquid layer is held in desulfurization is the core among the desulfurization system of power plant, and the desulfurization is held the circulation that the thick liquid of liquid layer needs not to stop and is avoided the desulfurization to hold the lime stone thick liquid solidification of liquid layer, and in the desulfurization, the desulfurization is held the liquid layer and still need carry out regular supplementary thick liquid for maintain the desulfurization and hold the liquid level height in the liquid layer. The benefit thick liquid of liquid layer is held in desulfurization among the prior art is responsible for directly carrying out the benefit thick liquid for directly through the benefit thick liquid, because the benefit thick liquid position is single, the limestone slurry gets into and is unfavorable for evenly distributed after holding the liquid layer, very easily causes to hold liquid layer system under the thick liquid running mode of moisturizing in succession and blocks up, can't satisfy the desulfurization and hold long period steady operation of liquid layer, and if take to hold the liquid layer and be interrupted the benefit thick liquid mode then cause whole desulfurization efficiency to descend easily, hold liquid layer system to block up, be unfavorable for desulfurization system economy nature, the security operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel desulfurization liquid-holding layer slurry supply system aiming at the problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
new-type desulfurization holds liquid layer and supplies thick liquid system, including holding the liquid layer the lower surface of holding the liquid layer is provided with circulation pipeline be provided with circulating pump and loop filter screen on the circulation pipeline, loop filter screen is located before the entry of circulating pump, circulation pipeline's the other end is connected with a plurality of circulation shower, circulation shower evenly distributed is holding inside the liquid layer the inside of holding the liquid layer still is provided with a plurality of benefit thick liquid showers, circulation shower and benefit thick liquid shower cross arrangement, it is a plurality of the benefit thick liquid shower is connected with the benefit thick liquid person in charge be provided with a solenoid valve on the benefit thick liquid person in charge, the benefit thick liquid person in charge is connected with the confession thick liquid union coupling.
Furthermore, be provided with the booster pump No. one on the benefit thick liquid main pipe to the reinforcing sprays pressure.
Still further, still be provided with the benefit thick liquid filter screen on the benefit thick liquid main pipe, just benefit thick liquid filter screen sets up in the place ahead of a booster pump entry to prevent the impurity in the lime stone thick liquid from getting into and holding the liquid layer.
Furthermore, the slurry supply pipe is also connected with a liquid supplementing branch pipe, a second electromagnetic valve is arranged on the liquid supplementing branch pipe, the other end of the liquid supplementing branch pipe is connected with the circulating pipeline, and the connecting position is located between the liquid holding layer and the circulating filter screen.
Furthermore, still be provided with the setting tank on the circulation pipeline, the liquid outlet of circulating pump passes through the circulation pipeline and is connected with the middle part of setting tank, the liquid outlet of setting tank is located the setting tank upper surface the lower surface of setting tank is provided with the drain.
Furthermore, a second booster pump is arranged on the circulating pipeline between the settling tank and the circulating spray pipe to enhance the spray pressure.
Furthermore, a flowmeter is arranged on the pulp supply pipe and used for observing the pulp supplementing amount.
Furthermore, a liquid level measuring device is arranged in the liquid holding layer and used for measuring the liquid level of the slurry in the liquid holding layer.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the slurry supplementing spray pipe is additionally arranged behind the slurry supplementing main pipe to supplement slurry, and no matter the slurry supplementing mode is continuous slurry supplementing or intermittent slurry supplementing, the liquid-holding layer is not easy to block, the long-period operation of a liquid-holding layer system is ensured, the desulfurization reaction speed is improved, and the concentration of the clean flue gas outlet SO2 can be timely and effectively controlled to be discharged after reaching the standard;
2. the slurry supply pipe can pass through the liquid supplementing branch pipe and the circulating pipeline, can replace a slurry supplementing main pipe or be used as a standby pipeline of the slurry supplementing main pipe, effectively utilizes a circulating pump and a circulating filter screen of the circulating pipeline and a circulating spray pipe, saves resources, simplifies the reconstruction process, and achieves the maximum resource utilization rate at the minimum cost;
3. the utility model is also provided with the settling tank, so that particles in the limestone slurry can be conveniently settled, impurities are prevented from entering the liquid-holding layer system, the desulfurization reaction speed is effectively improved, and the purity of the limestone slurry is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a liquid retaining layer of the present invention;
in the figure, a liquid holding layer-1, a circulation pipeline-2, a circulation pump-3, a circulation filter screen-4, a circulation spray pipe-5, a slurry supplementing spray pipe-6, a slurry supplementing main pipe-7, a first electromagnetic valve-8, a slurry supply pipe-9, a first booster pump-10, a slurry supplementing filter screen-11, a liquid supplementing branch pipe-12, a second electromagnetic valve-13, a settling tank-14, a second booster pump-15, a flow meter-16 and a liquid level measuring device-17.
Detailed Description
In order to further illustrate the technical solution of the present invention, the present invention is further illustrated by the following examples.
As shown in fig. 1, a novel desulfurization liquid-holding layer slurry supply system comprises a liquid-holding layer 1, a liquid level measuring device 17 is arranged in the liquid-holding layer 1, a circulation pipeline 2 is arranged on the lower surface of the liquid-holding layer 1, a circulation pump 3 and a circulation filter screen 4 are arranged on the circulation pipeline 2, the circulation filter screen 4 is positioned in front of an inlet of the circulation pump 3, a settling tank 14 is further arranged on the circulation pipeline 2, a liquid outlet of the circulation pump 3 is connected with the middle part of the settling tank 14 through the circulation pipeline 2, a liquid outlet of the settling tank 14 is positioned on the upper surface of the settling tank 14, a drain outlet is arranged on the lower surface of the settling tank 14, limestone slurry needs to be filled in the settling tank firstly, a second booster pump 15 is arranged on the circulation pipeline 2 between the settling tank 14 and the circulation spray pipes 5 to enhance the spray pressure, and the tail end of the circulation pipeline 2 is connected with a plurality of circulation spray pipes 5, the circulation spray pipe 5 is uniformly distributed inside the liquid holding layer 1, a plurality of slurry supplementing spray pipes 6 are further arranged inside the liquid holding layer 1, the circulation spray pipe 5 and the slurry supplementing spray pipes 6 are arranged in a crossed mode, the slurry supplementing spray pipes 6 are connected with a slurry supplementing main pipe 7, a first electromagnetic valve 8 is arranged on the slurry supplementing main pipe 7, a first booster pump 10 and a slurry supplementing filter screen 11 are arranged on the slurry supplementing main pipe 7, the slurry supplementing filter screen 11 is arranged in front of an inlet of the first booster pump 10, the slurry supplementing main pipe 7 is connected with a slurry supply pipe 9, the slurry supply pipe 9 is further connected with a slurry supplementing branch pipe 12, a second electromagnetic valve 13 is arranged on the slurry supplementing branch pipe 12, the other end of the slurry supplementing branch pipe 12 is connected with the circulation pipeline 2, the connecting position is located between the liquid holding layer 1 and the circulation filter screen 4, and a flow meter 16 is installed on the slurry supply pipe 9, used for observing the amount of the supplemented pulp.
While there have been shown and described what are at present considered to be the essential features and advantages of the utility model, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. New-type desulfurization holds liquid layer and supplies thick liquid system, its characterized in that: including holding liquid layer (1) the lower surface of holding liquid layer (1) is provided with circulating line (2) be provided with circulating pump (3) and loop filter screen (4) on circulating line (2), loop filter screen (4) are located before the entry of circulating pump (3), the other end of circulating line (2) is connected with a plurality of circulation shower (5), circulation shower (5) evenly distributed is holding inside liquid layer (1) the inside of holding liquid layer (1) still is provided with a plurality of benefit thick liquid shower (6), circulation shower (5) and benefit thick liquid shower (6) cross arrangement, a plurality of benefit thick liquid shower (6) are connected with benefit thick liquid person in charge (7) be provided with solenoid valve (8) No. one on the benefit thick liquid person in charge (7), the benefit thick liquid person in charge (7) are connected with confession thick liquid pipe (9).
2. The novel desulfurization liquid-holding layer slurry supply system according to claim 1, characterized in that: a first booster pump (10) is arranged on the slurry supplementing main pipe (7) so as to enhance the spraying pressure.
3. The novel desulfurization liquid-holding layer slurry supply system according to claim 2, characterized in that: the slurry supplementing main pipe (7) is further provided with a slurry supplementing filter screen (11), and the slurry supplementing filter screen (11) is arranged in front of an inlet of the first booster pump (10).
4. A novel desulfurization, liquid-retaining layer slurry-supply system as set forth in claim 3, characterized in that: confession thick liquid pipe (9) still are connected with fluid infusion branch pipe (12) be provided with No. two solenoid valves (13) on fluid infusion branch pipe (12), the other end and the circulation pipeline (2) of fluid infusion branch pipe (12) are connected, and the hookup location is located and holds between liquid layer (1) and circulation filter screen (4).
5. The novel desulfurization liquid-holding layer slurry supply system according to claim 4, characterized in that: still be provided with settling tank (14) on circulating line (2), the liquid outlet of circulating pump (3) passes through circulating line (2) and is connected with the middle part of settling tank (14), the liquid outlet of settling tank (14) is located settling tank (14) upper surface the lower surface of settling tank (14) is provided with the drain.
6. The novel desulfurization liquid-holding layer slurry supply system according to claim 5, characterized in that: and a second booster pump (15) is arranged on the circulating pipeline (2) between the settling tank (14) and the circulating spray pipe (5) to enhance the spray pressure.
7. The novel desulfurization liquid-holding layer slurry supply system according to claim 1, characterized in that: and a flow meter (16) is arranged on the pulp supply pipe (9) and used for observing the pulp supplementing amount.
8. The novel desulfurization liquid-holding layer slurry supply system according to claim 7, characterized in that: and a liquid level measuring device (17) is arranged in the liquid holding layer (1) and is used for measuring the liquid level of the slurry in the liquid holding layer (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120619399.7U CN215388705U (en) | 2021-03-26 | 2021-03-26 | Novel desulfurization liquid-holding layer slurry supply system |
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| CN202120619399.7U CN215388705U (en) | 2021-03-26 | 2021-03-26 | Novel desulfurization liquid-holding layer slurry supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345113A (en) * | 2022-03-21 | 2022-04-15 | 浙江浩普环保工程有限公司 | Strong mass transfer self-adaptation absorption tower |
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2021
- 2021-03-26 CN CN202120619399.7U patent/CN215388705U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345113A (en) * | 2022-03-21 | 2022-04-15 | 浙江浩普环保工程有限公司 | Strong mass transfer self-adaptation absorption tower |
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