CN218320832U - Recirculated cooling water saving system - Google Patents
Recirculated cooling water saving system Download PDFInfo
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- CN218320832U CN218320832U CN202222068835.3U CN202222068835U CN218320832U CN 218320832 U CN218320832 U CN 218320832U CN 202222068835 U CN202222068835 U CN 202222068835U CN 218320832 U CN218320832 U CN 218320832U
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Abstract
The utility model discloses a recirculated cooling water saving system, including the cooling water apotheca, the cooling water apotheca intercommunication remains the cooling arrangement, it has the treatment tank to treat on the cooling arrangement through taking warm water drain pipe intercommunication, it installs water quality testing module to take the one end that is close to treating the cooling arrangement in the warm water drain pipe, and take the one end that the warm water drain pipe is close to the treatment tank and install the second motorised valve, be connected with the back flow between treatment tank and the cooling water apotheca, the one end that the back flow is close to the treatment tank is equipped with the backwash pump, the middle part of taking the warm water drain pipe is connected with a back flow with the one end that the back flow is close to the cooling water apotheca, install first motorised valve on the back flow. The utility model discloses set up the processing pond, the processing pond can carry out direct processing to the rivers, flows back again after the processing is accomplished and gets into the cooling water hold up tank, avoids the cooling water directly to flow in the cooling water hold up tank after cooling down equipment, the condition of pollution is produced to the inside original water of cooling water hold up tank that leads to.
Description
Technical Field
The utility model relates to a thermal power generating unit technical field specifically is a recirculated cooling water saving system.
Background
In a traditional thermal power plant, a main machine part (a machine, a furnace, electricity, lime sulfur and the like) is automatically controlled, but a water supply and drainage system of circulating cooling water and the like closely related to water saving work is not automatically controlled basically, and operations such as water quality testing, dosing, pollution discharge and the like are still carried out mainly manually. The timeliness and the accuracy of various operations such as dosing of circulating cooling water and pollution discharge of a cooling tower are basically not mentioned, so that the water quality of the circulating cooling water often fluctuates greatly. Because some power plants worry about scaling and corrosion of heat exchangers such as condensers and the like caused by the over-standard concentration ratio of circulating cooling water, pollution discharge has to be increased, operation at a low concentration ratio is deliberately suppressed, and a large amount of water resources are wasted; and part of power plants pursue water-saving indexes on one side, and the concentration ratio is increased blindly to operate, so that equipment is scaled or corroded, and the economic loss is huge. Therefore, the automatic monitoring of the quality of the circulating cooling water of the thermal power plant and the realization of automatic pollution discharge and automatic water supplement are imperative
For this purpose, patent application No. 202022914942.4 proposes a recirculated cooling water saving system for thermal power plants, which takes out water through a sampling pipe and then detects it, and when the water quality needs to be treated, activates a dosing pump and an acid-adding pump to pump the drug and acid toward the inside of a cooling water receiving tank, but it has drawbacks: after cooling equipment, the direct backward flow of water that carries the temperature gets into inside the cooling water holds the pond, leads to the cooling water to hold the inside water in pond and be polluted to hold the pond inside and add the acid to water and add the medicine and handle, the disposable large amount of water of handling, it is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a recirculated cooling water saving system to solve among the prior art to the equipment cooling back, the water direct reflux who carries the temperature gets into inside the cooling water holds the pond, leads to the cooling water to hold the inside water in pond and is polluted, and hold the pond inside and add the acid medicine to water and handle, once only handle a large amount of water, comparatively troublesome problem.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a recirculated cooling water saving system, includes the cooling water apotheca, the cooling water apotheca intercommunication remains the cooling arrangement, it has the treatment pond to wait to cool arrangement to go up through taking warm water drain pipe intercommunication, it installs water quality testing module to take the one end that is close to waiting the cooling arrangement in the warm water drain pipe, and take the one end that the warm water drain pipe is close to the treatment pond and install the second motorised valve, be connected with the back flow between treatment pond and the cooling water apotheca, the one end that the back flow is close to the treatment pond is equipped with the backwash pump, the one end that the middle part of taking the warm water drain pipe and back flow are close to the cooling water apotheca is connected with a back flow, install first motorised valve on the back flow.
Preferably, the treatment tank is provided with a dosing pump and an acid adding pump.
Preferably, the system also comprises a control system, and the detection value of the water quality detection module is transmitted to the control system.
Preferably, the control system controls the second electrically operated valve to close and the control system controls the first electrically operated valve to open.
Preferably, the control system controls the first electric valve to be closed, and controls the second electric valve, the dosing pump, the acid adding pump and the reflux pump to be opened.
Preferably, install the blow off pipe on the processing pond, and be equipped with electronic blowoff valve on the blow off pipe, control system controls first motorised valve and closes, and control system control second motorised valve, add the medicine pump, add the sour pump and electronic blowoff valve is opened.
Preferably, the sewage treatment system further comprises a pressure sensor arranged in the sewage discharging pipe and an electric water replenishing valve positioned above the cooling water storage pool, the pressure sensor transmits a signal to the control system, and the control system controls the electric water replenishing valve to be opened.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is provided with the treatment pool which can directly treat the water flow, the water flow is refluxed to enter the cooling water storage pool after the treatment is finished, the cooling water is prevented from directly flowing into the cooling water storage pool after the equipment is cooled, the pollution to the original water in the cooling water storage pool is avoided, the trouble caused by one-time treatment of a large amount of water in the cooling water storage pool is also avoided, and the water treatment is simpler;
2. the utility model discloses after the inside sewage discharge of treatment pond, because pressure sensor's effect, the steerable water replenishment valve of control system is to the inside moisturizing that carries on of cooling water storage pond to the inside timely moisturizing of cooling water storage pond.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic block diagram of the present invention.
In the figure: 1. a cooling water storage tank; 2. equipment to be cooled; 3. a water quality detection module; 4. a water discharge pipe for carrying warm water; 5. a treatment tank; 6. a second electrically operated valve; 7. a first electrically operated valve; 8. a return pipe; 9. a reflux pump; 10. a branch return pipe; 11. a dosing pump; 12. Adding an acid pump; 13. a sewage discharge pipe; 14. an electric blow-down valve; 15. a pressure sensor; 16. A control system; 17. an electric water replenishing valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a circulating cooling water saving system includes a cooling water storage tank 1, the cooling water storage tank 1 is connected to a device to be cooled 2, and water flow in the cooling water storage tank 1 can reach the inside of the device to be cooled 2 to cool the device to be cooled 2;
with reference to fig. 1, a treatment tank 5 is communicated with a cooling device 2 through a warm water carrying drainage pipe 4, a water quality detection module 3 is installed at one end, close to the device 2 to be cooled, in the warm water carrying drainage pipe 4, water in the warm water carrying drainage pipe 4 can be detected by the water quality detection module 3, the detection includes pH value detection, residual chlorine detection and conductivity detection, a second electric valve 6 is installed at one end, close to the treatment tank 5, of the warm water carrying drainage pipe 4, and when the second electric valve 6 is opened, water flow can reach the inside of the treatment tank 5 to be treated;
as shown in fig. 1, a return pipe 8 is connected between the treatment tank 5 and the cooling water storage tank 1, that is, after the treatment tank 5 treats water, the water can be returned to the inside of the cooling water storage tank 1 through the return pipe 8, a return pump 9 is arranged at one end of the return pipe 8 close to the treatment tank 5, the treated water in the treatment tank 5 can be pumped into the cooling water storage tank 1 through the return pump 9, a branch return pipe 10 is connected between the middle part of the water carrying water discharge pipe 4 and one end of the return pipe 8 close to the cooling water storage tank 1, and a first electric valve 7 is installed on the branch return pipe 10, that is, after the first electric valve 7 is opened, the water carrying water discharge pipe 4 can directly enter the branch return pipe 10;
as shown in fig. 1 and 2, a dosing pump 11 and an acid adding pump 12 are installed on the treatment tank 5 for treating the water inside the treatment tank 5;
with reference to fig. 1 and fig. 2, the water quality detection device further comprises a control system 16, a detection value of the water quality detection module 3 is transmitted to the control system 16, and the water quality detection module 3 can detect the water quality of the water in the water carrying and discharging pipe 4 and transmit a signal to the control system 16;
the first embodiment is as follows:
referring to fig. 2, when the water quality detection module 3 detects that the water quality is good and the detection value is lower than the set value a, and the treatment is not needed, the control system 16 controls the second electric valve 6 to close, and the control system 16 controls the first electric valve 7 to open, that is, the water directly returns to the inside of the cooling water storage tank 1 through the branch return pipe 10 and the return pipe 8;
example two:
referring to fig. 2, when the water quality detection module 3 detects that the water quality is poor and the detection value is higher than the set value a, and when treatment is required, the control system 16 controls the first electric valve 7 to close, and the control system 16 controls the second electric valve 6, the dosing pump 11, the acidification pump 12 and the reflux pump 9 to open, that is, water flows into the treatment tank 5, the acidification pump 12 and the dosing pump 11 feed water into the treatment tank 5 to treat the water, and after treatment is completed, the reflux pump 9 is opened to allow the water to flow into the cooling water storage tank 1 through the reflux pipe 8;
example three:
referring to fig. 1 and 2, a sewage pipe 13 is installed on the treatment tank 5, an electric sewage valve 14 is arranged on the sewage pipe 13, the control system 16 controls the first electric valve 7 to close, and the control system 16 controls the second electric valve 6, the dosing pump 11, the acid adding pump 12 and the electric sewage valve 14 to open, that is, when a detection value is higher than a set value b (b is greater than a), it indicates that water quality cannot be treated, and at the moment, water flow enters the treatment tank 5 and then is discharged from the sewage pipe 13;
in addition, in the embodiment, the cooling water supply device further comprises a pressure sensor 15 installed inside the sewage discharge pipe 13 and an electric water supply valve 17 located above the cooling water storage pool 1, the pressure sensor 15 transmits signals to the control system 16, the control system 16 controls the electric water supply valve 17 to be opened, namely, when the water quality can not be treated any more, after the water is discharged from the sewage discharge pipe 13, the water can not flow back to the inside of the cooling water storage pool 1, so that the water quantity of the cooling water storage pool 1 is reduced, namely, when the water is discharged from the sewage discharge pipe 13, the pressure sensor 15 can detect the water flow pressure, at the moment, the control system 16 controls the electric water supply valve 17 to be opened, and therefore the water supply inside the cooling water storage pool 1 can be realized.
The utility model discloses a theory of operation and use flow: when using this device, the inside water of cooling water holding pond 1 inside can reach the inside of treating cooling arrangement 2 and cool off for treating cooling arrangement, and the back is accomplished in the cooling, and the inside of carrying hot water drain pipe 4 can be arrived to the water quality testing module 3 to carry out the detection, have after the detection, following three kinds of condition:
1. when the water quality detection module 3 detects that the water quality is good and the detection value is lower than the set value a and the treatment is not needed, the control system 16 controls the second electric valve 6 to close and the control system 16 controls the first electric valve 7 to open, namely, the water directly returns to the inside of the cooling water storage tank 1 through the branch return pipe 10 and the return pipe 8;
2. when the water quality detection module 3 detects that the water quality is poor, and the detection value is higher than a set value a, and when treatment is needed, the control system 16 controls the first electric valve 7 to be closed, and the control system 16 controls the second electric valve 6, the dosing pump 11, the acid adding pump 12 and the reflux pump 9 to be opened, namely, water flows into the treatment pool 5, the acid adding pump 12 and the dosing pump 11 feed materials into the treatment pool 5 so as to treat the water, and after the treatment is finished, the reflux pump 9 is opened so that the water flows into the cooling water storage pool 1 through the reflux pipe 8;
3. when the detected value is higher than the set value b (b is greater than a), the water quality can not be treated any more, at the moment, water flow enters the inside of the treatment pool 5 and is discharged from the sewage discharge pipe 13, when the water quality can not be treated any more, after the water is discharged from the sewage discharge pipe 13, the water can not flow back to the inside of the cooling water storage pool 1, so that the water quantity of the cooling water storage pool 1 is reduced, namely, when the water is discharged from the sewage discharge pipe 13, the pressure sensor 15 can detect the water flow pressure, and at the moment, the control system 16 controls the electric water replenishing valve 17 to be opened, so that the water replenishing inside the cooling water storage pool 1 is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a recirculated cooling water saving system, includes cooling water holding vessel (1), its characterized in that: the cooling water reservoir (1) intercommunication remains cooling arrangement (2), it has treatment tank (5) to wait to cool off arrangement (2) to go up through taking warm water drain pipe (4) intercommunication, it installs water quality testing module (3) to be close to the one end of waiting to cool off arrangement (2) in warm water drain pipe (4) to take, and takes warm water drain pipe (4) to be close to the one end of treating tank (5) and install second motorised valve (6), be connected with back flow (8) between treatment tank (5) and cooling water reservoir (1), the one end that back flow (8) are close to treatment tank (5) is equipped with backwash pump (9), the one end that the middle part of taking warm water drain pipe (4) and back flow (8) to be close to cooling water reservoir (1) is connected with back flow (10), install first motorised valve (7) on back flow (10).
2. The recirculating cooling water saving system of claim 1, wherein: and a dosing pump (11) and an acid adding pump (12) are arranged on the treatment tank (5).
3. The recirculating cooling water economizing system according to claim 1, characterized in that: the water quality detection device also comprises a control system (16), and the detection value of the water quality detection module (3) is transmitted to the control system (16).
4. A recirculating cooling-water economizing system according to claim 3, characterized in that: the sewage treatment device is characterized in that a sewage pipe (13) is installed on the treatment tank (5), an electric sewage valve (14) is arranged on the sewage pipe (13), the control system (16) controls the first electric valve (7) to be closed, and the control system (16) controls the second electric valve (6), the dosing pump (11), the acid adding pump (12) and the electric sewage valve (14) to be opened.
5. The recirculating cooling water saving system of claim 4, wherein: the device is characterized by further comprising a pressure sensor (15) arranged in the sewage draining pipe (13) and an electric water replenishing valve (17) positioned above the cooling water storage pool (1), wherein the pressure sensor (15) transmits a signal to the control system (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222068835.3U CN218320832U (en) | 2022-08-08 | 2022-08-08 | Recirculated cooling water saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222068835.3U CN218320832U (en) | 2022-08-08 | 2022-08-08 | Recirculated cooling water saving system |
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| Publication Number | Publication Date |
|---|---|
| CN218320832U true CN218320832U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222068835.3U Active CN218320832U (en) | 2022-08-08 | 2022-08-08 | Recirculated cooling water saving system |
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| Country | Link |
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| CN (1) | CN218320832U (en) |
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- 2022-08-08 CN CN202222068835.3U patent/CN218320832U/en active Active
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