CN216869299U - Water recycling system for large pool circulation of cooling tower - Google Patents
Water recycling system for large pool circulation of cooling tower Download PDFInfo
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- CN216869299U CN216869299U CN202120477356.XU CN202120477356U CN216869299U CN 216869299 U CN216869299 U CN 216869299U CN 202120477356 U CN202120477356 U CN 202120477356U CN 216869299 U CN216869299 U CN 216869299U
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Abstract
The utility model discloses a water recycling system for cooling tower large pool circulation, comprising: the device comprises a flushing pipe, a pre-emptier flushing water pump and a check valve, wherein the flushing pipe is communicated with a circulating water forebay and used for emptying circulating cooling water in the circulating water forebay; the washing device also comprises a water return branch pipe, wherein the water return branch pipe is used for communicating the washing pipe at the inlet of the check valve with the cooling tower circulating water large pool. When one cooling tower circulating water large pool unit is stopped, circulating cooling water which flows back to a circulating water front pool through the water channel is pumped out by a flushing water pump of the pre-emptier through the flushing pipe and flows back to the other working cooling tower circulating water large pool through the water return branch pipe for use, the problem that the circulating cooling water is discharged outwards and wasted after the cooling tower circulating water large pool unit is stopped is solved, 1.25 ten thousand yuan of economic loss is avoided, and the production and operation cost of enterprises is reduced.
Description
Technical Field
The utility model relates to a water recycling system for cooling tower large pool circulation, and belongs to the technical field of power generation.
Background
The thermal power generation has stable generated energy, so the generated energy sometimes needs to be controlled according to the total power consumption, and in summer flood season, along with the increase of the generated energy of water, electricity and wind power, part of thermal power units need to be stopped for balancing the total generated energy; in a thermal power station, circulating cooling water contained in a circulating water big pool of a cooling tower is about 2.5 ten thousand tons, tap water needs to be treated to form the circulating cooling water in order to ensure the total generated energy in a dry period, and the cost of 1 ton of qualified cooling circulating water is about 0.5 yuan; because every cooling tower circulating water vat is independent at present, so when shutting down, can only outwards discharge the recirculated cooling water in the cooling tower circulating water vat that shuts down, this will lead to 2.5 ten thousand tons of recirculated cooling water to be wasted, cause 1.25 ten thousand yuan of economic loss, increased the production running cost of enterprise.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a water recycling system for cooling tower large pool circulation.
The utility model is realized by the following technical scheme.
The utility model provides a water recycling system for cooling tower large pool circulation, which comprises: the device comprises a flushing pipe, a pre-emptier flushing water pump and a check valve, wherein the flushing pipe is communicated with a circulating water forebay and used for emptying circulating cooling water in the circulating water forebay;
the washing device also comprises a water return branch pipe, wherein the water return branch pipe is used for communicating the washing pipe at the inlet of the check valve with the cooling tower circulating water large pool.
And the electromagnetic valve is arranged on the flushing pipe at the outlet of the check valve, the flushing pipe at the outlet of the electromagnetic valve is communicated with a flushing water pipe network, and the electromagnetic valve is used for controlling the water quantity which flows back to the circulating water tank of the other working cooling tower through the water return branch pipe.
And a valve A for controlling the on-off of the water return branch pipe is arranged on the water return branch pipe.
The water return branch pipe is communicated with a branch pipe with one end being vacant or communicated with other cooling tower circulating water ponds, the branch pipe is provided with a valve B for controlling the on-off of the branch pipe, and when one end of the branch pipe is vacant, water is discharged through the vacant end of the branch pipe to detect the quality of the cooling tower circulating water in the stopped cooling tower circulating water pond.
A butterfly valve is arranged on the flushing pipe section close to the circulating water forebay, and when the circulating water of the cooling tower in the stopped circulating water big cooling tower pool is pumped by the pre-emptier flushing water pump, the butterfly valve is controlled to be closed, and the pumping of the circulating water of the cooling tower is stopped;
or when the shutdown cooling tower circulating water large pool needs to be started, the butterfly valve is controlled to be closed, and circulating disordered flowing of the cooling tower circulating water of the two cooling tower circulating water large pools is avoided.
And a valve C is arranged on the flushing pipe between the pre-emptier flushing water pump and the butterfly valve and is used for controlling the on-off of the whole flushing pipe for pumping from the circulating water forebay.
The cooling tower circulating water main pool is communicated with the circulating water front pool through the water channel.
The utility model has the beneficial effects that: when one cooling tower circulating water large pool unit is stopped, circulating cooling water which flows back to a circulating water front pool through the water channel is pumped out by a flushing water pump of the pre-emptier through the flushing pipe and flows back to the other working cooling tower circulating water large pool through the water return branch pipe for use, the problem that the circulating cooling water is discharged outwards and wasted after the cooling tower circulating water large pool unit is stopped is solved, 1.25 ten thousand yuan of economic loss is avoided, and the production and operation cost of enterprises is reduced.
Drawings
FIG. 1 is a schematic view of the connection distribution of the present invention;
in the figure: 1-circulating water forebay; 2-a flushing pipe; 3-a pre-emptier flushing pump; 4-a check valve; 5-a backwater branch pipe; 6-cooling tower circulating water big pool; 7-a water channel; 8-electromagnetic valve; 9-valve a; 10-a branch pipe; 11-a butterfly valve; 12-valve C; 13-valve B.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
The utility model relates to a water recycling system for circulation of a cooling tower large pool, which comprises: the device comprises a flushing pipe 2 which is communicated with a circulating water forebay 1 and used for emptying circulating cooling water in the circulating water forebay 1, a pre-emptier flushing water pump 3 arranged on the flushing pipe 2, and a check valve 4 arranged on the flushing pipe 2 at the outlet of the pre-emptier flushing water pump 3;
the device also comprises a water return branch pipe 5, wherein the water return branch pipe 5 is used for communicating the flushing pipe 2 at the inlet of the check valve 4 with the cooling tower circulating water large pool 6.
When one cooling tower circulating water big pool 6 unit is stopped, circulating cooling water which flows back to the circulating water front pool 1 through the water channel 7 is pumped out by the flushing pipe 2 through the pre-emptier flushing water pump 3 and flows back to the other working cooling tower circulating water big pool 6 through the water return branch pipe 5 for use, the problem that the circulating cooling water is discharged outwards and wasted after the cooling tower circulating water big pool 6 unit is stopped is solved, 1.25 ten thousand yuan of economic loss is avoided, and the production and operation cost of enterprises is reduced.
And the electromagnetic valve 8 is arranged on the flushing pipe 2 at the outlet of the check valve 4, the flushing pipe 2 at the outlet of the electromagnetic valve 8 is communicated with a flushing water pipe network, and the quantity of water which flows back to the other working circulating water big pool 6 of the cooling tower through the water return branch pipe 5 is controlled by the electromagnetic valve 8.
And a valve A9 for controlling the on-off of the water return branch pipe 5 is arranged on the water return branch pipe 5.
The return water branch pipe 5 is communicated with a branch pipe 10 of which one end is vacant or communicated with other cooling tower circulating water big pools 6, the branch pipe 10 is provided with a valve B13 for controlling the on-off of the branch pipe 10, and when one end of the branch pipe 10 is vacant, water is discharged through the vacant end to detect the quality of the cooling tower circulating water in the shutdown cooling tower circulating water big pool 6.
A butterfly valve 11 is arranged on the section of the flushing pipe 2 close to the circulating water forebay 1, and when the cooling tower circulating water in the shut-down cooling tower circulating water main bay 6 is pumped by the pre-emptier flushing water pump 3, the butterfly valve 11 is controlled to be closed, and the pumping of the cooling tower circulating water is stopped; or when the shutdown cooling tower circulating water big pool 6 needs to be started, the butterfly valve 11 is controlled to be closed, and circulating disordered flowing of the cooling tower circulating water of the two cooling tower circulating water big pools 6 is avoided.
And a valve C12 is arranged on the flushing pipe 2 between the pre-emptier flushing water pump 3 and the butterfly valve 11 and is used for controlling the on-off of the whole flushing pipe 2 from the circulating water forebay 1.
The system also comprises a cooling tower circulating water big pool 6, a water channel 7 and a circulating water front pool 1, wherein the cooling tower circulating water big pool 6 is communicated with the circulating water front pool 1 through the water channel 7.
Referring to fig. 1, the left and right positions are distinguished and described as follows, in order to balance the total power generation amount in a flood season, for example, the right cooling tower circulating water tank 6 is shut down, a butterfly valve 11 on the circulating water forebay 1 communicated with the right cooling tower circulating water tank 6 through a water channel is opened, a valve a9 is opened, a pre-emptier flushing water pump 3 is started, an electromagnetic valve 8 is closed, the cooling circulating water pump of the right cooling tower circulating water tank 6 is pumped to flow back into the left cooling tower circulating water tank 6 through a water return branch pipe 5, the problem that the circulating cooling water is discharged outwards and wasted after the unit of the right cooling tower circulating water tank 6 is shut down is solved, 1.25 ten thousand yuan of economic loss is avoided, and the production and operation costs of enterprises are reduced.
Claims (7)
1. A water recycling system for cooling tower large pool circulation is characterized by comprising: the device comprises a flushing pipe (2) communicated with a circulating water forebay (1) and used for emptying circulating cooling water in the circulating water forebay (1), a pre-emptier flushing water pump (3) arranged on the flushing pipe (2), and a check valve (4) arranged on the flushing pipe (2) at the outlet of the pre-emptier flushing water pump (3);
the washing device further comprises a water return branch pipe (5), and the water return branch pipe (5) is used for communicating the washing pipe (2) at the inlet of the check valve (4) with the cooling tower circulating water large pool (6).
2. The cooling tower potty circulating water recycling system of claim 1, wherein: and an electromagnetic valve (8) is arranged on the flushing pipe (2) at the outlet of the check valve (4), and the flushing pipe (2) at the outlet of the electromagnetic valve (8) is communicated with a flushing water pipe network.
3. The cooling tower potty circulating water recycling system of claim 2, wherein: and a valve A (9) for controlling the on-off of the return water branch pipe (5) is arranged on the return water branch pipe (5).
4. The cooling tower pond circulating water recycling system according to claim 3, wherein: the return water branch pipe (5) is communicated with a branch pipe (10) with one end being vacant or communicated with other cooling tower circulating water large pools (6), and the branch pipe (10) is provided with a valve B (13) for controlling the on-off of the branch pipe (10).
5. The cooling tower potty circulating water recycling system of claim 2, wherein: a butterfly valve (11) is arranged on the section of the flushing pipe (2) close to the circulating water forebay (1).
6. The cooling tower pond circulating water recycling system according to claim 5, wherein: and a valve C (12) is arranged on the flushing pipe (2) between the pre-emptier flushing water pump (3) and the butterfly valve (11).
7. The cooling tower potty circulating water recycling system of claim 6, wherein: the circulating water system is characterized by further comprising a cooling tower circulating water large pool (6), a water channel (7) and a circulating water front pool (1), wherein the cooling tower circulating water large pool (6) is communicated with the circulating water front pool (1) through the water channel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120477356.XU CN216869299U (en) | 2021-03-05 | 2021-03-05 | Water recycling system for large pool circulation of cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120477356.XU CN216869299U (en) | 2021-03-05 | 2021-03-05 | Water recycling system for large pool circulation of cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216869299U true CN216869299U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120477356.XU Active CN216869299U (en) | 2021-03-05 | 2021-03-05 | Water recycling system for large pool circulation of cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216869299U (en) |
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2021
- 2021-03-05 CN CN202120477356.XU patent/CN216869299U/en active Active
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