CN206271438U - Nuclear power plant runs chilled water system - Google Patents
Nuclear power plant runs chilled water system Download PDFInfo
- Publication number
- CN206271438U CN206271438U CN201621271618.2U CN201621271618U CN206271438U CN 206271438 U CN206271438 U CN 206271438U CN 201621271618 U CN201621271618 U CN 201621271618U CN 206271438 U CN206271438 U CN 206271438U
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- CN
- China
- Prior art keywords
- chilled water
- subsystem
- nuclear power
- refrigeration machine
- power plant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Abstract
The utility model discloses a kind of nuclear power plant operation chilled water system, it includes：At least one first subsystems, including water pump and refrigeration machine, chilled water is provided for the user for freezing water demand stabilization；And at least one second subsystems, including water pump and refrigeration machine, for providing chilled water for the unstable user of freezing water demand；Wherein, the first subsystem and the separate operation of the second subsystem.Relative to prior art, the first subsystem and the separate operation of the second subsystem in the utility model nuclear power plant operation chilled water system reduce the complexity of distribution and operation, can meet the diversified demand of operation chilled water system user；And startup time of the refrigeration machine in the case where station service operating mode is lost is effectively reduced, refrigeration machine can complete the switching of power supply in several minutes, it is ensured that the reliability of system.
Description
Technical field
The utility model belongs to technical field of nuclear power, and more specifically, the utility model is related to a kind of nuclear power plant's operation cold
Freeze water system.
Background technology
Nuclear power plant's chilled water system can be divided into operation chilled water system and safe chilled water system, operation chilled water system clothes
Be engaged in non-security level user, and some are the non-security of nuclear power plant in two generations built and two Dai Jia nuclear power plants operation chilled water system at present
Level air-conditioning system provides chilled water.
Existing nuclear power plant runs chilled water system and typically uses many cold in scheme, the scheme of single distribution, and it is
Under unified central planning to be set to many cold supply chilled water in parallel, the performance parameter of cold is completely the same, and distribution is also completely the same, the fortune of cold
Row number of units and refrigerating capacity change with customer charge.But, the user for running chilled water system has multifarious feature, demand
Not consistent, although certain user is non-safe level, such as reactor building ventilating system, under the operating mode for losing off-site power,
Operation is still needed, therefore such scheme and is not suitable with the multifarious requirement of custom system.
Additionally, every cold and water pump of currently running chilled water system all need carry emergency diesel-oil electromechanical source, station-service
During electric fault, chilled water pump automatically switches to Emergency diesel and powers, but because cold power consumption is big, in diesel engine starting number
After hour power consumption reduction, can just start.Therefore, it is easily caused air-conditioning system and does not reach service requirement, reliability reduction.
In view of this, it is necessory to propose a kind of nuclear power plant's operation chilled water system, to meet different chilled water users'
Demand, and the loading emergency diesel-oil electromechanical source that cold can be faster in the case where station service operating mode is lost, it is ensured that the reliability of air-conditioning system
Property.
The content of the invention
The purpose of this utility model is：A kind of nuclear power plant's operation chilled water system is provided, is used with meeting different chilled waters
The demand at family, and the loading emergency diesel-oil electromechanical source that cold can be faster in the case where station service operating mode is lost, it is ensured that air-conditioning system
Reliability.
In order to realize foregoing invention purpose, the present invention provides a kind of nuclear power plant's operation chilled water system, and it includes：At least one
Individual first subsystem, including water pump and refrigeration machine, chilled water is provided for the user for freezing water demand stabilization；And at least
One the second subsystem, including water pump and refrigeration machine, for providing chilled water for the unstable user of freezing water demand；Its
In, first subsystem and the separate operation of the second subsystem.
As a kind of improvement of the utility model nuclear power plant operation chilled water system, the water pump and system of first subsystem
Cold is all mounted with emergency diesel-oil electromechanical source.It is arranged such, the system user of urgent telegram will need to be answered individually to be divided into the first subsystem
In, in station-service electric fault, emergency diesel-oil electromechanical source can be automatically switched to, and, can be in several minutes. because of its power consumption less
Complete power supply switching.
Used as a kind of improvement of the utility model nuclear power plant operation chilled water system, first subsystem is reactor factory
Room ventilating system provides chilled water.
Used as a kind of improvement of the utility model nuclear power plant operation chilled water system, first subsystem is that core aids in factory
Room electric equipment compartment ventilating system provides chilled water.
As a kind of improvement of the utility model nuclear power plant operation chilled water system, the water pump of second subsystem, system
The non-carry emergency diesel-oil electromechanical source of cold.
Used as a kind of improvement of the utility model nuclear power plant operation chilled water system, first subsystem is provided with two
Refrigerating plant including water pump and refrigeration machine, two refrigerating plants are connected in parallel.
Used as a kind of improvement of the utility model nuclear power plant operation chilled water system, second subsystem is provided with three
Refrigerating plant including water pump and refrigeration machine, each two refrigerating plant is connected in parallel.
In nuclear power plant during normal operation, the freezing water demand of reactor building ventilating system and three wastes system user
Stabilization, load is basically unchanged.And other systems user then may load it is unstable.Therefore it is basicly stable for load constant to be
System user, chilled water is supplied by the first subsystem；The unstable system user of other loads supplies chilled water by the second subsystem.
It is arranged such, according to the difference of system user demand, nuclear power plant's operation chilled water system is divided at least two
The subsystem of independent operating, reduces the complexity of distribution and operation, can meet the diversified need of operation chilled water system user
Ask.
First subsystem and the second subsystem include the number and refrigerating capacity of the refrigerating plant of water pump and refrigeration machine by
The load condition of system user is determined.
Relative to prior art, the utility model nuclear power plant operation chilled water system has following Advantageous Effects：
(1) first subsystem and the separate operation of the second subsystem, reduce the complexity of distribution and operation, can meet
Run the diversified demand of chilled water system user；
(2) water demand stabilization will be freezed and the system user of urgent telegram need to be answered individually to be divided into the first subsystem, had
Effect reduces the startup time of the refrigeration machine in the case where station service operating mode is lost, and refrigeration machine can complete the switching of power supply in several minutes,
The reliability of guarantee system；
(3) first subsystems and the second subsystem independent operating, increased the flexibility of Maintenance and Repair, improve system and can use
Property.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, the utility model nuclear power plant operation chilled water system is carried out specifically
It is bright, wherein：
Fig. 1 is the schematic diagram that the utility model nuclear power plant runs chilled water system.
Specific embodiment
In order that the purpose of this utility model, technical scheme and its technique effect become apparent from, below in conjunction with accompanying drawing and tool
Body implementation method, is further elaborated to the utility model.It should be appreciated that the specific reality described in this specification
Mode is applied just for the sake of explaining the utility model, is not intended to limit the utility model.
Refer to shown in Fig. 1, the utility model nuclear power plant operation chilled water system, it includes：At least one first subsystems
System, including water pump and refrigeration machine, chilled water is provided for the user for freezing water demand stabilization；And at least one second son
System, including water pump and refrigeration machine, for providing chilled water for the unstable user of freezing water demand；Wherein, the first subsystem
System and the separate operation of the second subsystem.
According to the demand of different user, some system users need to answer urgent telegram, institute as a preferred embodiment, the
The water pump and refrigeration machine of one subsystem are all mounted with emergency diesel-oil electromechanical source.For example reactor ventilating system and auxiliary plant are electric
Zonal ventilation system is required for answering urgent telegram, therefore all should carry emergency diesel-oil electromechanical source.It is arranged such, is by need to answer urgent telegram
System user is individually divided into the first subsystem, in station-service electric fault, can automatically switch to emergency diesel-oil electromechanical source, because of its use
Electricity less, can complete power supply switching in several minutes.
The non-carry emergency diesel-oil electromechanical source of the water pump of the second subsystem, refrigeration machine.Second subsystem is that need not answer urgent telegram
System user supplies chilled water.
The number and system of the refrigerating plant being composed in series by water pump and refrigeration machine in the first subsystem and the second subsystem
Cold is determined by the load condition of system user.
The first subsystem is used to freeze water demand stabilization and the system user of urgent telegram, the second subsystem need to be answered to use in Fig. 1
It is unstable and be not required to answer the system user of urgent telegram in freezing water demand.First subsystem is provided with two includes water pump and refrigeration
The refrigerating plant of machine, each two refrigerating plant is connected in parallel；Second subsystem is provided with three systems for including water pump and refrigeration machine
Device for cooling, two refrigerating plants are connected in parallel.
The freezing water demand stabilization of reactor building ventilating system and three wastes system user, in the normal fortune of whole power plant
Between the departure date, load is basically unchanged, and it is its supply chilled water to be individually divided to the first subsystem；Remaining user, freezes water demand
It is unstable, it is its supply chilled water, winter load very little by the second subsystem.
Reactor building ventilating system and nuclear auxiliary building electric equipment compartment ventilating system are required to emergency power supply, are divided to first
Subsystem is its supply chilled water, cold and water pump the whole carry Emergency diesels of the first subsystem, in station-service electric fault,
Emergency diesel-oil electromechanical source can be automatically switched to, power supply switching can be completed in several minutes because of its power consumption less；Remaining user is not
Emergency power supply is needed, it is its supply chilled water to be divided in the second subsystem, the cold and water pump of the second subsystem not emergent bavin of carry
Oil machine power supply.
Described in detail as can be seen that relative to prior art, the utility model is at least to of the present utility model with reference to more than
With following Advantageous Effects：
(1) first subsystem and the separate operation of the second subsystem, reduce the complexity of distribution and operation, can meet
Run the diversified demand of chilled water system user；
(2) water demand stabilization will be freezed and the system user of urgent telegram need to be answered individually to be divided into the first subsystem, had
Effect reduces the startup time of the refrigeration machine in the case where station service operating mode is lost, and refrigeration machine can complete the switching of power supply in several minutes,
The reliability of guarantee system；
(3) first subsystems and the second subsystem independent operating, increased the flexibility of Maintenance and Repair, improve system and can use
Property.
According to above-mentioned principle, the utility model can also carry out appropriate change and modification to above-mentioned implementation method.Therefore,
The utility model is not limited to specific embodiment disclosed and described above, to some modifications and changes of the present utility model
Should also be as falling into scope of the claims of the present utility model.Although additionally, having used some specific in this specification
Term, but these terms are merely for convenience of description, do not constitute any limitation to the utility model.
Claims (7)
1. a kind of nuclear power plant runs chilled water system, it is characterised in that including：At least one first subsystems, including water pump and
Refrigeration machine, chilled water is provided for the user for freezing water demand stabilization；And at least one second subsystems, including water pump
And refrigeration machine, for providing chilled water for the unstable user of freezing water demand；Wherein, first subsystem and described
The separate operation of two subsystems.
2. nuclear power plant according to claim 1 runs chilled water system, it is characterised in that：The water pump of first subsystem
Emergency diesel-oil electromechanical source is all mounted with refrigeration machine.
3. nuclear power plant according to claim 2 runs chilled water system, it is characterised in that：First subsystem is reaction
Heap power house ventilation system provides chilled water.
4. nuclear power plant according to claim 2 runs chilled water system, it is characterised in that：First subsystem is that core is auxiliary
Factory building electric equipment compartment ventilating system is helped to provide chilled water.
5. nuclear power plant according to claim 1 runs chilled water system, it is characterised in that：The water of second subsystem
The non-carry emergency diesel-oil electromechanical source of pump, refrigeration machine.
6. chilled water system is run according to any described nuclear power plants of claim 1-5, it is characterised in that：First subsystem
Two refrigerating plants for including water pump and refrigeration machine are provided with, two refrigerating plants are connected in parallel.
7. chilled water system is run according to any described nuclear power plants of claim 1-5, it is characterised in that：Second subsystem
Three refrigerating plants for including water pump and refrigeration machine are provided with, each two refrigerating plant is connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271618.2U CN206271438U (en) | 2016-11-24 | 2016-11-24 | Nuclear power plant runs chilled water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621271618.2U CN206271438U (en) | 2016-11-24 | 2016-11-24 | Nuclear power plant runs chilled water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206271438U true CN206271438U (en) | 2017-06-20 |
Family
ID=59040704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621271618.2U Active CN206271438U (en) | 2016-11-24 | 2016-11-24 | Nuclear power plant runs chilled water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206271438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299216A (en) * | 2019-03-06 | 2019-10-01 | 中广核工程有限公司 | It is a kind of for the cooling apparatus of the interim cooling supply of nuclear power plant nuclear island and for cooling method |
| CN113409968A (en) * | 2021-05-18 | 2021-09-17 | 中国核电工程有限公司 | Refrigerating system used under nuclear power plant heat sink loss working condition |
-
2016
- 2016-11-24 CN CN201621271618.2U patent/CN206271438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299216A (en) * | 2019-03-06 | 2019-10-01 | 中广核工程有限公司 | It is a kind of for the cooling apparatus of the interim cooling supply of nuclear power plant nuclear island and for cooling method |
| CN113409968A (en) * | 2021-05-18 | 2021-09-17 | 中国核电工程有限公司 | Refrigerating system used under nuclear power plant heat sink loss working condition |
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