CN218583810U - Circulating water combined operation system - Google Patents
Circulating water combined operation system Download PDFInfo
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- CN218583810U CN218583810U CN202222901886.XU CN202222901886U CN218583810U CN 218583810 U CN218583810 U CN 218583810U CN 202222901886 U CN202222901886 U CN 202222901886U CN 218583810 U CN218583810 U CN 218583810U
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- pipeline
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- cooling tower
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Abstract
The utility model discloses a circulating water combined operation system, the system includes cooling tower A, cooling tower B, circulation pump forebay A and circulation pump forebay B, still include two condensers, be connected through pipeline C and condenser intercommunication between circulation forebay A and the circulation pump forebay B and the pipeline A, the intercommunication is connected with twice bleeder on the pipeline C, install frequency conversion pump and high-low speed pump on the twice bleeder respectively, install contact door A between two pipeline C, install contact door B on the pipeline A, install contact door C on the pipeline B. The utility model has the mode of one tower, two machines and one machine, when the environmental temperature is higher in summer and the running mode of one machine and two towers is used, the circulating water temperature can be greatly reduced, the unit vacuum is improved, and the power supply coal consumption is reduced; in winter, when the environmental temperature is lower, one tower is used for two machines, so that the occurrence of extreme vacuum can be avoided, the power consumption of a pump and the steam consumption of a machine set can be saved, and the coal consumption and the steam consumption of power supply of the machine set are reduced.
Description
Technical Field
The utility model relates to a thermal power equipment technical field, more specifically say, in particular to circulating water combined operation system.
Background
In recent years, with the rapid increase of new energy in national energy ratio, the development of traditional thermal power plants is greatly restricted, and the thermal power plants face unprecedented difficulties.
Due to the influence of the power market, the utilization hours of the thermal power generating unit are sharply reduced, and the thermal power generating unit runs partially in most of time, and the thermal power generating unit stops running for standby. Generally, the operation unit adopts a cooling tower operation mode of one unit, the cooling tower of a standby unit is in a stop state, so that equipment is idle, resources are wasted, and in winter, because the circulating water temperature is too low, the vacuum of the unit exceeds the limit vacuum, so that the heat consumption of the unit is increased, and the safe operation of a steam turbine is endangered.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can provide multiple circulating water operational mode, can realize the circulating water system energy-conserving effect maximize's circulating water combined operation system.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the circulating water combined operation system comprises a cooling tower A, a cooling tower B, a circulating pump forebay A, a circulating pump forebay B and two condensers, wherein the water outlet ends of the cooling tower A and the cooling tower B are respectively communicated and connected with the circulating pump forebay A and the circulating pump forebay B, the water return ends of the cooling tower A and the cooling tower B are communicated and connected through a pipeline A, the circulating forebay A and the circulating pump forebay B are communicated and connected through a pipeline B, the circulating forebay A and the circulating pump forebay B are communicated and connected with the pipeline A through a pipeline C, the circulating forebay A and the circulating pump forebay B are communicated and connected with the condensers through a pipeline C, the pipeline C is communicated and connected with two branch pipes, a variable frequency pump and a high-low speed pump are respectively installed on the two branch pipes, an interconnecting door A is installed between the two pipeline Cs, an interconnecting door B is installed on the pipeline A, an interconnecting door C is installed on the pipeline B, and the interconnecting door B is located between the two pipeline Cs.
Preferably, both ends of the pipeline A are connected with bypass pipelines communicated and connected with the water return ends of the cooling tower A and the cooling tower B, and the bypass pipelines are provided with bypass valves.
Preferably, a water pump and a butterfly valve are arranged on the pipeline C and the branch pipe.
Preferably, electric valves are arranged on the pipeline A and the pipeline B.
Compared with the prior art, the utility model has the advantages of:
the utility model has the mode of one tower with two machines and one machine with two towers, two adjacent condenser units are provided, when one unit runs and one unit is standby, the communication door C and the variable frequency pump and the high-low speed pump on the running condenser pipeline can be opened, and at the moment, the circulating water can return to two cooling towers for cooling;
when the environmental temperature is higher in summer and a one-machine double-tower operation mode is used, the circulating water temperature can be greatly reduced, the unit vacuum is improved, and the power supply coal consumption is reduced;
in winter, when the environmental temperature is lower, one tower and two machines are used, so that the occurrence of extreme vacuum can be avoided, the power consumption of a circulating pump and the steam consumption of a unit can be saved, the coal consumption and the steam consumption of the power supply of the unit are reduced, and the normal operation of a steam turbine is ensured;
through the pump frequency conversion, one machine with double towers and one tower with double machines flexible operation method, various circulating water operation modes can be provided, and the energy-saving effect maximization of a circulating water system can be realized by selecting the optimal operation mode.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 structural diagram of a circulating water combined operation system of the present invention,
in the figure: 1 cooling tower A, 2 cooling tower B, 3 front pool A, 4 front pool B, 5 pipeline A, 6 pipeline B, 7 pipeline C, 8 branch pipe, 9 variable frequency pump, 10 pipeline D, 11 condenser, 12 connecting door C, 13 connecting door A, 14 connecting door B, 15 high and low speed pump, 16 bypass valve.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1, the utility model provides a circulating water combined operation system, the system includes cooling tower A1, cooling tower B2, the pump forebay A3 and the pump forebay B4, still includes two condensers 11, and the outlet end of cooling tower A1 and cooling tower B2 is connected with pump forebay A3 and pump forebay B4 intercommunication respectively, be connected through pipeline A5 intercommunication between cooling tower A1 and the return water end of cooling tower B2, be connected through pipeline B6 intercommunication between pump forebay A3 and the pump forebay B4, be connected with pipeline C7 through the intercommunication between pump forebay A3 and the pump forebay B4 and the pipeline A5, be connected through pipeline C7 and condenser 11 intercommunication between pump forebay B4 and the pipeline A circulation, be connected with two lateral pipes 8 on the pipeline C7, install respectively on two lateral pipes 8 frequency conversion pump 9 and high-low speed pump 15, through frequency conversion regulation, can make the coal consumption further reduce two install between the pipe B7 and contact C13, install contact door on the pipeline C7 on the contact door 14, 14C 6 on the contact door 14B 6, 14C 7.
In this embodiment, the two ends of the pipeline A5 are connected with bypass pipelines communicated with the water return ends of the cooling tower a and the cooling tower B, the bypass pipelines are provided with bypass valves 16, and when the two ends of the pipeline A5 are blocked or have a fault, the bypass valves 16 can be opened to enable circulating water to smoothly enter the cooling tower.
In this embodiment, the pipeline C7 and the branch pipe 8 are both provided with a water pump and a butterfly valve.
In this embodiment, the pipeline A5 and the pipeline B6 are both provided with an electric valve.
The working principle is as follows: one-machine double-tower mode: when one condenser 11 unit runs and the other condenser 11 unit is standby, the connection door C12 and the variable-frequency pump 9 and the high-low speed pump 15 on the pipeline for running the condenser 11 can be opened, circulating water can return to two cooling towers for cooling, and when the ambient temperature in summer is higher and a one-machine double-tower running mode is used, the circulating water temperature can be greatly reduced, the unit vacuum is improved, and the power supply coal consumption is reduced;
one tower double machine mode: in winter, when the ambient temperature is lower, the two condensers 11 run simultaneously, the contact door A, the contact door B and the contact door C are opened to enable circulating water to return to the two cooling towers, and by using a one-tower double-machine mode, the occurrence of extreme vacuum can be avoided, the power consumption of a pump and the steam consumption of a unit can be saved, and the coal consumption and the steam consumption of the unit for power supply are reduced.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, as long as the protection scope of the invention is not beyond the protection scope of the claims.
Claims (4)
1. The utility model provides a circulating water combined operation system, the system includes cooling tower A, cooling tower B, circulation pump forebay A and circulation pump forebay B, its characterized in that: the water-cooled air conditioner further comprises two condensers, the water outlet ends of the cooling tower A and the cooling tower B are respectively communicated and connected with the circulating pump forebay A and the circulating pump forebay B, the water return ends of the cooling tower A and the cooling tower B are communicated and connected through a pipeline A, the circulating pump forebay A and the circulating pump forebay B are communicated and connected through a pipeline B, a pipeline C is communicated and connected between the circulating forebay A and the circulating pump forebay B and the pipeline A, the circulating forebay A and the circulating pump forebay B are communicated and connected with the condensers through a pipeline C, two branch pipes are communicated and connected to the pipeline C, a variable frequency pump and a high-low speed pump are respectively installed on the two branch pipes, two contact doors A are installed between the pipeline C, a contact door B is installed on the pipeline A, and a contact door C is installed on the pipeline B and located between the two pipeline C.
2. A circulating water combined operation system as defined in claim 1, wherein: and two ends of the pipeline A are connected with bypass pipelines communicated and connected with the return water ends of the cooling tower A and the cooling tower B, and the bypass pipelines are provided with bypass valves.
3. A circulating water combined operation system as claimed in claim 1, wherein: and the pipeline C and the branch pipe are both provided with a water pump and a butterfly valve.
4. A circulating water combined operation system as claimed in claim 1, wherein: and the pipeline A and the pipeline B are both provided with electric valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222901886.XU CN218583810U (en) | 2022-11-02 | 2022-11-02 | Circulating water combined operation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222901886.XU CN218583810U (en) | 2022-11-02 | 2022-11-02 | Circulating water combined operation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218583810U true CN218583810U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222901886.XU Active CN218583810U (en) | 2022-11-02 | 2022-11-02 | Circulating water combined operation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218583810U (en) |
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2022
- 2022-11-02 CN CN202222901886.XU patent/CN218583810U/en active Active
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