CN217686702U - Circulating water system - Google Patents
Circulating water system Download PDFInfo
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- CN217686702U CN217686702U CN202220444315.5U CN202220444315U CN217686702U CN 217686702 U CN217686702 U CN 217686702U CN 202220444315 U CN202220444315 U CN 202220444315U CN 217686702 U CN217686702 U CN 217686702U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model belongs to the technical field of the fluid control technique and specifically relates to a circulating water system is related to. The circulating water system comprises a cooling tower, a circulating water pump, a water supply main pipe, a heat exchanger, a water return main pipe and a pressure energy exchanger; the pressure energy exchanger comprises a turbine side inlet, a turbine side outlet, a reverse turbine side inlet and a reverse turbine side outlet; the cooling tower is communicated with an inlet of a circulating water pump, an outlet of the circulating water pump is communicated with one end of a water supply main pipe, one end of the water supply main pipe is communicated with an inlet of a heat exchanger, an outlet of the heat exchanger is communicated with one end of a water return main pipe, and the other end of the water return main pipe is communicated with the cooling tower; the speed regulator is in communication connection with the circulating water pump; the turbine side inlet is communicated with the position, close to the heat exchanger, of the water return main pipe, the turbine side outlet is communicated with the position, far away from the heat exchanger, of the water return main pipe, the reverse turbine side inlet is communicated with the position, close to the circulating water pump, of the water supply main pipe, and the reverse turbine side outlet is communicated with the position, far away from the circulating water pump, of the water supply main pipe.
Description
Technical Field
The utility model belongs to the technical field of fluid control technique and specifically relates to a circulating water system is related to.
Background
The circulating water system is one of the most important auxiliary systems in the process industry, and can take away waste heat generated in the production process of an industrial device and discharge the waste heat to the atmosphere through a cooling tower. Because the importance of the circulating water system is outstanding, in order to ensure the normal operation of the circulating water system, the lift allowance of the circulating water pump is usually set to be larger, and the energy consumption of the circulating water pump is larger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circulating water system to solve the technical problem that circulating water pump's among the circulating water system that exists among the prior art energy consumption is big to a certain extent.
The utility model provides a circulating water system, include: the system comprises a cooling tower, a circulating water pump, a water supply main pipe, a heat exchanger, a water return main pipe and a pressure energy exchanger; the pressure energy exchanger comprises a turbine side inlet, a turbine side outlet, a reverse turbine side inlet and a reverse turbine side outlet; the cooling tower is communicated with an inlet of the circulating water pump, an outlet of the circulating water pump is communicated with one end of the water supply main pipe, one end of the water supply main pipe is communicated with an inlet of the heat exchanger, an outlet of the heat exchanger is communicated with one end of the water return main pipe, and the other end of the water return main pipe is communicated with the cooling tower; the speed regulator is in communication connection with the circulating water pump; the turbine side inlet is communicated with the position, close to the heat exchanger, of the water return main pipe, the turbine side outlet is communicated with the position, far away from the heat exchanger, of the water return main pipe, the reverse turbine side inlet is communicated with the position, close to the circulating water pump, of the water supply main pipe, and the reverse turbine side outlet is communicated with the position, far away from the circulating water pump, of the water supply main pipe.
The utility model provides a circulating water system is in the work engineering, and the cooling tower can carry and cool off the circulating water to make the circulating water reach the requirement of water supply temperature, and circulating water pump promotes the feedwater side circulating water after the cooling to certain pressure, then the feedwater side circulating water after the boost gets into in the pressure energy exchanger through reversal turbine side entry; meanwhile, the circulating water on the water return side which flows out of the outlet of the heat exchanger and completes heat exchange enters a water return main pipe and then enters a pressure energy exchanger through a turbine side inlet, the circulating water on the water return side passes through a turbine part of the pressure energy exchanger, the surplus pressure of the circulating water on the water return side can push the turbine to rotate, the turbine is directly driven to rotate, and the pressure of the circulating water on the water supply side entering the reverse turbine part is increased, so that the residual pressure of the circulating water on the water return side in a water return main pipe can be recovered by the pressure energy exchanger and is converted to the circulating water on the water supply side which is subjected to pressure increase by a circulating water pump, and the circulating water on the water supply side is further subjected to pressure increase, so that the requirement of the water supply pressure is met; and the circulating water on the water supply side after pressure boosting enters the water supply main pipe again through the reverse turbine side outlet, then enters the heat exchanger, the circulating water on the water return side after residual pressure recovery enters the water return main pipe again through the turbine side outlet, and then returns to the cooling tower for cooling, and the circulation is performed in the way. Can retrieve the residual pressure of return water side circulating water and convert to the water supply side circulating water through pressure energy interchanger to make the water supply side circulating water boost once more, and then can reduce circulating water pump with the required lift that the water supply side circulating water boosts, adjust circulating water pump's rotational speed through the speed regulator, thereby reduce circulating water pump's lift, and then reduce circulating water pump's energy consumption. Through the speed regulator, can make the flow and the pressure of circulating water pump change, satisfy the device side to the demand of circulating water volume.
Further, the circulating water system also comprises a water supply mother pipe valve; the water supply main pipe valve is arranged on the water supply main pipe, the communication position of the reverse turbine side inlet and the water supply main pipe is positioned on the water inlet side of the water supply main pipe valve, and the communication position of the reverse turbine side outlet and the water supply main pipe is positioned on the water outlet side of the water supply main pipe valve.
Further, the circulating water system also comprises a return water mother pipe valve; the water return main pipe valve is arranged on the water return main pipe, the communication position of the turbine side inlet and the water return main pipe is positioned on the water inlet side of the water return main pipe valve, and the communication position of the turbine side outlet and the water return main pipe is positioned on the water outlet side of the water return main pipe valve.
Further, the circulating water system further comprises a turbine side inlet valve, a turbine side outlet valve, a reverse turbine side inlet valve and a reverse turbine side outlet valve; the turbine side inlet valve is arranged on a pipeline between the turbine side inlet and the water return main pipe, and the turbine side outlet valve is arranged on a pipeline between the turbine side outlet and the water return main pipe; the reverse turbine side inlet valve is arranged on a pipeline between the reverse turbine side inlet and the water supply main pipe, and the reverse turbine side outlet valve is arranged on a pipeline between the reverse turbine side outlet and the water supply main pipe.
Furthermore, the circulating water system also comprises a plurality of water supply branch pipes and a plurality of water return branch pipes; the number of the heat exchangers is multiple, and one water supply branch pipe and one water return branch pipe are respectively communicated with an inlet and an outlet of one heat exchanger; the water supply branch pipes are communicated with the water supply main pipe, and the water return branch pipes are communicated with the water return main pipe.
Furthermore, each water supply branch pipe is provided with a heat exchanger inlet valve, and each water return branch pipe is provided with a heat exchanger outlet valve.
Further, the circulating water system also comprises a water utilization device interface inlet valve and a water utilization device interface outlet valve; the water utilization device battery inlet valve is arranged on the water supply main pipe and is positioned on one side, far away from the water supply main pipe valve, of the communication position of the reverse turbine side outlet and the water supply main pipe; and the water utilization device boundary outlet valve is arranged on the water return main pipe and is positioned on one side, far away from the water return main pipe valve, of the communication position of the turbine side inlet valve and the water return main pipe.
Further, the circulating water system also comprises a water suction pool; the water suction pool is communicated with the cooling tower and the inlet of the circulating water pump.
Further, the circulating water system also comprises a circulating water pump inlet valve, and the circulating water pump inlet valve is arranged on the pipelines of the water suction pool and the inlet of the circulating water pump.
Further, the circulating water system also comprises an upper tower valve; the upper tower valve is arranged on the water return main pipe and is positioned on one side, far away from the water return main pipe valve, of the communication position of the turbine side outlet and the water return main pipe.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a circulating water system according to a first novel embodiment of the present invention;
fig. 2 is a schematic structural view of a circulating water system according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a circulating water system according to a third embodiment of the present invention.
Icon: 10-a cooling tower; 20-a circulating water pump; 30-a water supply main pipe; 40-a heat exchanger; 50-a water return main pipe; 60-a pressure energy exchanger; 70-a feeding mother pipe valve; 80-a backwater mother pipe valve; 90-turbine side inlet valve; 100-a turbine side outlet valve; 110-reverse turbine side inlet valve; 120-a reverse turbine side outlet valve; 130-water supply branch pipe; 140-a backwater branch pipe; 150-heat exchanger inlet valve; 160-heat exchanger outlet valve; 170-water plant battery limit inlet valve; 180-outlet valve of interface area of water-using device; 190-a water suction pool; 200-circulating water pump inlet valve; 210-upper column valve; 220-speed regulator.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to fig. 3, the utility model provides a circulating water system, include: the system comprises a cooling tower 10, a circulating water pump 20, a speed regulator 220, a water supply main pipe 30, a heat exchanger 40, a water return main pipe 50 and a pressure energy exchanger 60; the pressure energy exchanger 60 includes a turbine-side inlet, a turbine-side outlet, a counter-rotating turbine-side inlet, and a counter-rotating turbine-side outlet; the cooling tower 10 is communicated with an inlet of a circulating water pump 20, an outlet of the circulating water pump 20 is communicated with one end of a water supply main pipe 30, one end of the water supply main pipe 30 is communicated with an inlet of a heat exchanger 40, an outlet of the heat exchanger 40 is communicated with one end of a water return main pipe 50, and the other end of the water return main pipe 50 is communicated with the cooling tower 10; the speed regulator 220 is in communication connection with the circulating water pump 20; the turbine side inlet is communicated with the position, close to the heat exchanger 40, of the water return main pipe 50, the turbine side outlet is communicated with the position, far away from the heat exchanger 40, of the water return main pipe, the reverse turbine side inlet is communicated with the position, close to the circulating water pump 20, of the water supply main pipe 30, and the reverse turbine side outlet is communicated with the position, far away from the circulating water pump 20, of the water supply main pipe 30.
In the working engineering of the circulating water system provided by this embodiment, the cooling tower 10 can cool the circulating water, so that the circulating water meets the requirement of the water supply temperature, the circulating water pump 20 raises the cooled water supply side circulating water to a certain pressure, and then the boosted water supply side circulating water enters the pressure energy exchanger 60 through the inlet of the reverse turbine side; meanwhile, the circulating water on the return water side which flows out from the outlet of the heat exchanger 40 and completes heat exchange enters a return water main pipe 50 and then enters a pressure energy exchanger 60 through a turbine side inlet, the circulating water on the return water side passes through the turbine part of the pressure energy exchanger 60, the surplus pressure of the circulating water on the return water side can push a turbine to rotate, a reverse turbine is directly driven, and the pressure of the circulating water on the water supply side which enters the reverse turbine part is increased, so that the pressure energy exchanger 60 can recover the surplus pressure of the circulating water on the return water side in the return water main pipe and convert the surplus pressure to the circulating water on the water supply side which is boosted by the circulating water pump 20, and the circulating water on the water supply side is further boosted, thereby meeting the requirement of the water supply pressure; the water supply side circulating water after pressure boosting enters the water supply main pipe again through the reverse turbine side outlet, then enters the heat exchanger 40, the water return side circulating water after residual pressure recovery enters the water return main pipe again through the turbine side outlet, and then returns to the cooling tower 10 for cooling, and the circulation is carried out in such a way. The excess pressure of the circulating water on the return water side can be recovered and converted into the circulating water on the water supply side by the pressure energy exchanger 60, so that the circulating water on the water supply side is boosted again, the lift of the circulating water pump 20 required for boosting the circulating water on the water supply side can be reduced, the rotating speed of the circulating water pump 20 is adjusted by the speed adjuster 220, the lift of the circulating water pump 20 is reduced, and the energy consumption of the circulating water pump 20 is reduced. The flow rate and pressure of the circulating water pump 20 can be changed by the speed controller 220, and the requirement of the device side for the circulating water amount is met.
As shown in fig. 1, on the basis of the above embodiment, further, the circulating water system further includes a feeding pipe valve 70; a feedwater mother pipe valve 70 provided on the feedwater mother pipe 30 to open or close the feedwater mother pipe 30, or to adjust the flow rate; the connection between the inlet of the reverse rotation turbine and the water supply main pipe 30 is located on the water inlet side of the water supply main pipe valve 70, and the connection between the outlet of the reverse rotation turbine and the water supply main pipe 30 is located on the water outlet side of the water supply main pipe valve 70.
In this embodiment, the water supply main pipe valve 70 is disposed on the water supply main pipe 30 to open or close the water supply main pipe 30, so that the flow of the water circulation on the water supply side can be controlled. The feed water mother pipe valve 70 is provided between the communication between the reverse turbine side inlet and the feed water main pipe and the communication between the reverse turbine side outlet and the feed water main pipe, so that the piping structure of the circulating water system can be made compact.
As shown in fig. 1, on the basis of the above embodiment, further, the circulating water system further includes a water returning mother pipe valve 80; the water return mother pipe valve 80 is arranged on the water return mother pipe 50 to open or close the water return mother pipe 50 or regulate the flow; the connection between the turbine side inlet and the water return main pipe 50 is positioned on the water inlet side of the water return main pipe valve 80, and the connection between the turbine side outlet and the water return main pipe 50 is positioned on the water outlet side of the water return main pipe valve 80.
In this embodiment, the water return main pipe valve 80 is disposed on the water supply main pipe 30 to open or close the water return main pipe 50, so that the flow of the circulating water on the water return side can be controlled. The return water main pipe valve 80 is arranged between the communication position of the turbine side inlet and the return water main pipe and the communication position of the reverse turbine side outlet and the water supply main pipe, so that the pipeline of the circulating water system is further compact in structure.
As shown in fig. 1, based on the above embodiment, further, the circulating water system further includes a turbine side inlet valve 90, a turbine side outlet valve 100, a reverse turbine side inlet valve 110, and a reverse turbine side outlet valve 120; the turbine side inlet valve 90 is arranged on a pipeline between the turbine side inlet and the water return main pipe 50 so as to communicate or cut off the pipeline between the turbine side inlet and the water return main pipe 50 or adjust the flow; the turbine-side outlet valve 100 is arranged on a pipeline between the turbine-side outlet and the water return main pipe 50 so as to communicate or cut off the pipeline between the turbine-side outlet and the water return main pipe or adjust the flow; a reverse turbine side inlet valve 110 is provided on a line between the reverse turbine side inlet and the water supply main 30 to communicate or cut off the line between the reverse turbine side inlet and the water supply main 30 or to adjust the flow rate; the reverse turbine side outlet valve 120 is provided on a pipe between the reverse turbine side outlet and the water supply header 30 to communicate the pipe between the reverse turbine side outlet and the water supply header 30 or to regulate the flow rate.
In this embodiment, the pressure energy exchanger 60 can selectively recover and convert the residual pressure of the circulating water on the water return side through the turbine-side inlet valve 90, the turbine-side outlet valve 100, the reverse turbine-side inlet valve 110 and the reverse turbine-side outlet valve 120; for example: the valve can be closed, and the circulating water at the water supply side is directly boosted to a proper position by using the circulating pump; alternatively, the valves may be opened to raise the pressure of the water circulating on the water supply side to a desired level by the circulating pump and the pressure energy exchanger 60. Corresponding flow can also be adjusted through above-mentioned valve for circulating water system's selectivity is many, and the flexibility is high, and the practicality is strong.
As shown in fig. 2, on the basis of the above embodiment, further, the circulating water system further includes a plurality of water supply branch pipes 130 and a plurality of water return branch pipes 140; the number of the heat exchangers 40 is multiple, and one water supply branch pipe 130 and one water return branch pipe 140 are respectively communicated with the inlet and the outlet of one heat exchanger 40; the plurality of water supply branch pipes 130 are all communicated with the water supply main pipe 30, and the plurality of water return branch pipes 140 are all communicated with the water return main pipe 50.
In this embodiment, the plurality of water supply branch pipes 130 and the plurality of heat exchangers 40 are arranged in a one-to-one correspondence manner, the plurality of water return branch pipes 140 and the plurality of heat exchangers 40 are arranged in a one-to-one correspondence manner, the water supply side circulating water enters the plurality of water supply branch pipes 130 from the water supply main pipe 30 respectively and then enters the corresponding heat exchangers 40, and the circulating water after heat exchange enters the corresponding water return branch pipes 140 from the heat exchangers 40 and finally converges in the water return main pipe 50; the heat exchange of a plurality of heat exchangers 40 can be realized at the same time.
As shown in fig. 2, on the basis of the above embodiment, further, each water supply branch pipe 130 is provided with a heat exchanger inlet valve 150, and the heat exchanger inlet valve 150 can open or close the water supply branch pipe 130, or adjust the flow rate of the water supply side circulating water in the water supply branch pipe 130; each water return branch pipe 140 is provided with a heat exchanger outlet valve 160, and the heat exchanger outlet valve 160 can open or close the water return branch pipe 140, or adjust the flow of the water supply side circulating water in the water return branch pipe 140.
In this embodiment, the water supply side circulating water can be selectively tapped into the plurality of heat exchangers 40 through the heat exchanger inlet valve 150 and the heat exchanger outlet valve 160, so that the flow of the circulating water can be conveniently controlled.
As shown in fig. 3, based on the above embodiment, further, the circulating water system further includes a water usage device interface inlet valve 170 and a water usage device interface outlet valve 180; the water utilization device battery inlet valve 170 is arranged on the water supply main pipe 30, and the water utilization device battery inlet valve 170 is positioned on one side, far away from the water supply main pipe valve 70, of the communication part of the reverse turbine side outlet and the water supply main pipe 30; the water use device boundary region outlet valve 180 is arranged on the water return mother pipe 50, and the water use device boundary region outlet valve 180 is positioned on the side of the connection of the turbine side inlet valve 90 and the water return mother pipe 50, which is far away from the water return mother pipe valve 80.
In this embodiment, the inlet valve 170 of the water device boundary area may connect or disconnect the communication management between the water supply main pipe 30 and the plurality of water supply branch pipes 130 as a whole, or adjust the flow rate of the corresponding circulating water supply; the outlet valve of the water device boundary area can communicate or cut off the pipelines between the plurality of return water branch pipes 140 and the return water main pipe; the water inlet and the water return of the plurality of heat exchangers 40 can be integrally controlled, and the control is more convenient.
As shown in fig. 3, in addition to the basic support of the above embodiment, further, the circulating water system further includes a water suction pool 190; the water suction tank 190 is communicated with the cooling tower 10, and the water suction tank 190 is communicated with an inlet of the circulating water pump 20. In this embodiment, the cooling tower 10 cools the circulating water, and then sends the cooled circulating water to the water suction pool 190, and the circulating water then enters the circulating water pump 20.
As shown in fig. 3, in addition to the above embodiment, the circulating water system further includes a circulating water pump inlet valve 200, and the circulating water pump inlet valve 200 is disposed on a pipeline between the water suction pool 190 and the inlet of the circulating water pump 20. In this embodiment, the inlet valve 200 of the circulating water pump may be connected to or cut off the pipeline between the water suction pool 190 and the circulating water pump 20, or adjust the flow of the circulating water at the corresponding water supply side, so as to conveniently control the overall flow of the circulating water.
As shown in fig. 3, in addition to the basic structure of the above embodiment, further, the circulating water system further includes an upper tower valve 210; the upper tower valve 210 is arranged on the water return main pipe 50 and is positioned on one side, far away from the water return main pipe valve 80, of the communication part of the turbine side outlet and the water return main pipe 50.
This embodiment uses oil refinery circulating water device as an example, concretely explains the utility model discloses circulating water system's that the embodiment provides working process:
the design circulating water treatment capacity of the circulating water system is 5000m < 3 >/h, the annual start-up hours is 8400 hours, the outlet pressure of the supplied circulating water pump 20 is 0.45Mpag, and the design water supply temperature is 32 ℃. The official network pressure of the circulating water at the backwater side is 0.25Mpag, and the designed backwater temperature is 42 ℃. The cooling tower 10 reduces the temperature of the circulating water after heat exchange by the heat exchanger 40, so that the temperature of the circulating water meets the requirement of the water supply temperature of the circulating water, and the circulating water pump 20 raises the circulating water on the water supply side of the water cooling tower 10 to a certain pressure and then sends the circulating water to the pressure transducer; the flow and the pressure of the circulating water pump 20 can be changed through the speed regulating device, and the requirement of the device side on the circulating water quantity is met; the pressure energy converter retrieves the pressure energy of return water side circulating water main pipe, and the pressure of retrieving is converted through pressure energy exchanger 60 and is given the water supply side circulating water for the pressure of water supply side circulating water further promotes, to the demand of circulating water pressure. The power consumption of circulating water per ton is reduced to 0.12kw.h/ton.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects. In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.
Claims (10)
1. A circulating water system, comprising: the system comprises a cooling tower, a circulating water pump, a speed regulator, a water supply main pipe, a heat exchanger, a water return main pipe and a pressure energy exchanger; the pressure energy exchanger comprises a turbine side inlet, a turbine side outlet, a reverse turbine side inlet and a reverse turbine side outlet;
the cooling tower is communicated with an inlet of the circulating water pump, an outlet of the circulating water pump is communicated with one end of the water supply main pipe, one end of the water supply main pipe is communicated with an inlet of the heat exchanger, an outlet of the heat exchanger is communicated with one end of the water return main pipe, and the other end of the water return main pipe is communicated with the cooling tower; the speed regulator is in communication connection with the circulating water pump; the turbine side inlet is communicated with the position, close to the heat exchanger, of the water return main pipe, the turbine side outlet is communicated with the position, far away from the heat exchanger, of the water return main pipe, the reverse turbine side inlet is communicated with the position, close to the circulating water pump, of the water supply main pipe, and the reverse turbine side outlet is communicated with the position, far away from the circulating water pump, of the water supply main pipe.
2. The circulating water system of claim 1, further comprising a feed manifold valve; the water supply main pipe valve is arranged on the water supply main pipe, the communication position of the reverse turbine side inlet and the water supply main pipe is positioned on the water inlet side of the water supply main pipe valve, and the communication position of the reverse turbine side outlet and the water supply main pipe is positioned on the water outlet side of the water supply main pipe valve.
3. The circulating water system of claim 2, further comprising a return header valve; the backwater mother pipe valve is arranged on the backwater mother pipe, the communication position of the turbine side inlet and the backwater mother pipe is positioned on the water inlet side of the backwater mother pipe valve, and the communication position of the turbine side outlet and the backwater mother pipe is positioned on the water outlet side of the backwater mother pipe valve.
4. The circulating water system as claimed in claim 3, further comprising a turbine side inlet valve, a turbine side outlet valve, a reverse turbine side inlet valve and a reverse turbine side outlet valve; the turbine side inlet valve is arranged on a pipeline between the turbine side inlet and the water return main pipe, and the turbine side outlet valve is arranged on a pipeline between the turbine side outlet and the water return main pipe; the reverse turbine side inlet valve is arranged on a pipeline between the reverse turbine side inlet and the water supply main pipe, and the reverse turbine side outlet valve is arranged on a pipeline between the reverse turbine side outlet and the water supply main pipe.
5. The circulating water system as claimed in claim 4, further comprising a plurality of water supply branch pipes and a plurality of water return branch pipes; the number of the heat exchangers is multiple, and one water supply branch pipe and one water return branch pipe are respectively communicated with an inlet and an outlet of one heat exchanger; the water supply branch pipes are communicated with the water supply main pipe, and the water return branch pipes are communicated with the water return main pipe.
6. The circulating water system as claimed in claim 5, wherein a heat exchanger inlet valve is provided on each of the water supply branch pipes, and a heat exchanger outlet valve is provided on each of the water return branch pipes.
7. The circulating water system of claim 6, further comprising a water-using device-bay inlet valve and a water-using device-bay outlet valve; the water utilization device interface inlet valve is arranged on the water supply main pipe and is positioned on one side, away from the water supply main pipe valve, of the communication position of the reverse turbine side outlet and the water supply main pipe; and the water utilization device boundary outlet valve is arranged on the water return main pipe and is positioned on one side, far away from the water return main pipe valve, of the communication position of the turbine side inlet valve and the water return main pipe.
8. The circulating water system of any one of claims 3-7, further comprising a suction sump; the water absorption pool is communicated with the cooling tower and the inlet of the circulating water pump.
9. The circulating water system as claimed in claim 8, further comprising a circulating water pump inlet valve disposed on a pipeline between the suction sump and an inlet of the circulating water pump.
10. The circulating water system as claimed in claim 8, further comprising an upper tower valve; the upper tower valve is arranged on the water return main pipe and is positioned on one side, far away from the water return main pipe valve, of the communication position of the turbine side outlet and the water return main pipe.
Priority Applications (1)
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CN202220444315.5U CN217686702U (en) | 2022-03-02 | 2022-03-02 | Circulating water system |
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CN202220444315.5U CN217686702U (en) | 2022-03-02 | 2022-03-02 | Circulating water system |
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CN217686702U true CN217686702U (en) | 2022-10-28 |
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CN202220444315.5U Active CN217686702U (en) | 2022-03-02 | 2022-03-02 | Circulating water system |
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