CN208617391U - Nuclear power plant's condensed water precision processing system - Google Patents
Nuclear power plant's condensed water precision processing system Download PDFInfo
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- CN208617391U CN208617391U CN201820795948.4U CN201820795948U CN208617391U CN 208617391 U CN208617391 U CN 208617391U CN 201820795948 U CN201820795948 U CN 201820795948U CN 208617391 U CN208617391 U CN 208617391U
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- seawater
- condensed water
- water
- precision processing
- heat exchange
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Abstract
The utility model discloses a kind of nuclear power plant's condensed water precision processing systems, it include: two condensers, each condenser, which is set, restrains there are two seawater to make heat exchange and restrains two hot wells being isolated being correspondingly arranged with seawater to make heat exchange, and each hot well is equipped with the first water outlet and the second water outlet；Seawater is hunted leak measuring device, and the leakage that any one seawater to make heat exchange tube bank in two condensers of real-time detection occurs simultaneously issues signal；Condensate pump is separately connected the first water outlet of each hot well by condensed water main pipe and the first outlet pipe；And precision processing device of condensation water, in the condensed water main pipe before being installed on condensate pump, water inlet end connects the second water outlet of each hot well by the second outlet pipe, and water outlet is connected in the condensed water main pipe before condensate pump.When seawater leak detection measuring device detects that seawater to make heat exchange tube bank generation seawater leaks and issues signal, is entered in precision processing device of condensation water by the condensed water in the hot well of seawater pollution and handled, and flow to low-pressure heater through condensate pump.
Description
Technical field
The utility model belongs to technical field of nuclear power, and more specifically, the utility model relates to a kind of nuclear power plant's condensed waters
Precision processing system.
Background technique
Nuclear power plant's condenser is a kind of surface heat exchanger, and a shell of condenser receives a turbine low pressure cylinder
Steam discharge, circulating cooling seawater flows through and condensed in bank of condenser pipes the steam outside bank of condenser pipes, it is made to be condensed into water simultaneously
Assemble in hot well.Condenser continuously extracts incondensable gas out by condensation steam discharge and condenser vacuum system, maintains jointly
Back pressure needed for turbine low pressure cylinder.Nuclear power plant's condenser system generally comprises two shells, there is two groups of tube banks in each shell,
Respectively there is a water chamber at each tube bank both ends, are connected with about 3 meters of diameter of recirculated water import and export pipe.
The effect of precision processing device of condensation water of nuclear power station mainly has: 1) removing the suspended impurity and ionic miscellaneous in condensed water
Matter guarantees secondary circuit water quality reaching standard, to reduce the corrosion of therrmodynamic system equipment and fouling, extends service life of equipment；2) in unit
When starting, the system flush time can be greatly reduced, unit is made to put into operation as early as possible and save desalination water consumption；3) work as condenser
When the leakage of a certain range of seawater occurs, the impurity in seawater is prevented to enter the therrmodynamic system of conventional island, and to operations staff compared with
Plenty of time takes appropriate measures.
Currently, precision processing device of condensation water is arranged after condensate pump in related nuclear power plant condensed water precision processing system, and
It is in parallel with condensed water main pipe.All water outlet returns to condensate system to condensed water after the processing of precision processing device, by solidifying
Booster is born water to overcome the pressure loss of condensed water precision processing system.
But the capacity of existing nuclear power plant's condensed water precision processing system is 100%, there is a problem of that initial cost is high.Have
In consideration of it, it is necessory to provide a kind of nuclear power plant's condensed water precision processing system with ideal economic benefit.
Utility model content
The goal of the invention of the utility model is: overcoming the deficiencies of the prior art and provide a kind of with ideal economic benefit
Nuclear power plant's condensed water precision processing system.
In order to achieve the above-mentioned object of the invention, the utility model provides a kind of nuclear power plant's condensed water precision processing system, packet
It includes:
Two condensers, each condenser, which is set, to be restrained there are two seawater to make heat exchange and is correspondingly arranged with two seawater to make heat exchange tube banks
Two hot wells being isolated from each other, each hot well be equipped with the first water outlet and the second water outlet；
Seawater leak detection measuring device is let out for what any one seawater to make heat exchange tube bank in two condensers of real-time detection occurred
It leaks and issues signal；
Condensate pump is separately connected the first water outlet of each hot well by condensed water main pipe and the first outlet pipe；And
Precision processing device of condensation water, in the condensed water main pipe before being installed on condensate pump, water inlet end passes through the second water outlet
Pipe connects the second water outlet of each hot well, and water outlet is connected in the condensed water main pipe before condensate pump；
Wherein, seawater leak detection measuring device detects that the tube bank of any one seawater to make heat exchange occurs seawater and leaks and issue signal
When, entered in precision processing device of condensation water by the condensed water in the hot well of seawater pollution and handled, and flow to low pressure through condensate pump
Heater.
As a kind of improvement of the utility model nuclear power plant condensed water precision processing system, between described two hot wells by every
Plate is isolated from each other.
As a kind of improvement of the utility model nuclear power plant condensed water precision processing system, set on each first outlet pipe
There is the first electric butterfly valve, each second outlet pipe is equipped with the second electric butterfly valve.
As a kind of improvement of the utility model nuclear power plant condensed water precision processing system, the tube bank of any one seawater to make heat exchange occurs
When leakage seawater enter corresponding hot well, by interlocking of signals close enter condensed water main pipe electric butterfly valve, interlocking open into
The electric butterfly valve for entering precision processing device of condensation water returns condensate system after being carried out precision processing by the condensed water of seawater pollution
In.
Compared with the existing technology, the utility model nuclear power plant condensed water precision processing system is accurately sentenced by seawater leakage detection apparatus
Disconnected is that the seawater of which seawater to make heat exchange tube bank is leaked out, contains condensed water the changing by hot well structure of leakage seawater
Enter in half hot well into rear, related valve on hot well outlet conduit is operated by interlocking signal, it is only necessary to four points
One of condensed water introduce precision processing device of condensation water and handled, therefore condensed water precision processing system capacity can be reduced to
25%, the initial cost of every unit can be significantly reduced.
Detailed description of the invention
With reference to the accompanying drawings and detailed description, the utility model nuclear power plant condensed water precision processing system is carried out detailed
Explanation, in which:
Fig. 1 is the structural schematic diagram of the utility model nuclear power plant condensed water precision processing system.
Specific embodiment
In order to be more clear the goal of the invention, technical solution and its technical effect of the utility model, below in conjunction with attached drawing
And specific embodiment, the present invention will be further described in detail.It should be understood that tool described in this specification
Body embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
It please refers to shown in Fig. 1, the utility model nuclear power plant condensed water precision processing system, comprising:
Two condensers 10, each condenser 10 set there are two seawater to make heat exchange tube bank 100 and restrain with two seawater to make heat exchange
The hot well 102 that 100 two be correspondingly arranged are isolated from each other, each hot well 102 are equipped with the first water outlet 104 and the second water outlet
106；
Seawater leak detection measuring device 20 occurs for any one seawater to make heat exchange tube bank 100 in real-time detection condenser 10
Leakage and issue signal；
Condensate pump 30 is separately connected the first of each hot well 102 by condensed water main pipe 300 and the first outlet pipe 302
Water outlet 104；And
Precision processing device of condensation water 40, in the condensed water main pipe 300 before being installed on condensate pump 30, condensate polishing treatment dress
The water inlet end for setting 30 passes through the second water outlet 106 that the second outlet pipe 400 connects each hot well 102, precision processing device of condensation water
40 water outlet is connected in the condensed water main pipe 300 before condensate pump 30；
Wherein, seawater leak detection measuring device 20 detects that 100 generation seawater of any one seawater to make heat exchange tube bank is leaked and issued
When signal, entered in precision processing device of condensation water 40 by the condensed water in the hot well of seawater pollution and handled, and through condensate pump 30
It flow to low-pressure heater.
In the shown embodiment, it is isolated from each other between two hot wells 102 by partition 108.
In the shown embodiment, the first outlet pipe 302 is equipped with the first electric butterfly valve 304, sets on the second outlet pipe 400
There is the second electric butterfly valve 402.Seawater enters corresponding hot well when any one seawater to make heat exchange tube bank 100 leaks, and passes through signal
Interlocking close enters the first electric butterfly valve 304 of condensed water main pipe 300, the second electric butterfly valve 402, and interlocking, which is opened, enters condensed water
The first electric butterfly valve 304, the second electric butterfly valve 402 of precision processing device 40 carry out the condensed water by seawater pollution at essence
It is returned in condensate system after reason.
Compared with the existing technology, the utility model nuclear power plant condensed water precision processing system is accurately sentenced by seawater leakage detection apparatus
Disconnected is that the seawater of which seawater to make heat exchange tube bank is leaked out, contains condensed water the changing by hot well structure of leakage seawater
Enter in half hot well into rear, related valve on hot well outlet conduit is operated by interlocking signal, it is only necessary to four points
One of condensed water introduce precision processing device of condensation water and handled, therefore condensed water precision processing system capacity can be reduced to
25%, the design pressure of condensed water precision processing system can be reduced, the initial cost of every unit is significantly reduced.
According to above-mentioned principle, the utility model can also be made appropriate changes and modifications to the above embodiments.Therefore,
The utility model is not limited to specific embodiment disclosed and described above, to some modifications and changes of the utility model
It should also be as falling into the protection scope of the claims of the present utility model.In addition, although having been used in this specification some specific
Term, these terms are merely for convenience of description, not to the utility model constitute any restrictions.
Claims (4)
1. a kind of nuclear power plant's condensed water precision processing system comprising:
Two condensers, each condenser set two for restraining there are two seawater to make heat exchange and being correspondingly arranged with two seawater to make heat exchange tube banks
A hot well being isolated from each other, each hot well are equipped with the first water outlet and the second water outlet；
Seawater leak detection measuring device, the leakage for any one seawater to make heat exchange tube bank generation in two condensers of real-time detection is simultaneously
Issue signal；
Condensate pump is separately connected the first water outlet of each hot well by condensed water main pipe and the first outlet pipe；And
Precision processing device of condensation water, in the condensed water main pipe before being installed on condensate pump, water inlet end passes through the second outlet pipe and connects
Connect the second water outlet of each hot well, water outlet is connected in the condensed water main pipe before condensate pump；
Wherein, when seawater leak detection measuring device detects that any one seawater to make heat exchange tube bank generation seawater leaks and issues signal, by
Condensed water in the hot well of seawater pollution, which enters in precision processing device of condensation water, to be handled, and flow to low-pressure heating through condensate pump
Device.
2. nuclear power plant's condensed water precision processing system according to claim 1, which is characterized in that lead between described two hot wells
Partition is crossed to be isolated from each other.
3. nuclear power plant's condensed water precision processing system according to claim 1, which is characterized in that each first outlet pipe
It is equipped with the first electric butterfly valve, each second outlet pipe is equipped with the second electric butterfly valve.
4. nuclear power plant's condensed water precision processing system according to claim 3, which is characterized in that the tube bank of any one seawater to make heat exchange
Seawater enters corresponding hot well when leaking, and the electric butterfly valve for entering condensed water main pipe is closed by interlocking of signals, and interlocking is beaten
It drives the electric butterfly valve into precision processing device of condensation water into, returns condensation water system after being carried out precision processing by the condensed water of seawater pollution
In system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820795948.4U CN208617391U (en) | 2018-05-25 | 2018-05-25 | Nuclear power plant's condensed water precision processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820795948.4U CN208617391U (en) | 2018-05-25 | 2018-05-25 | Nuclear power plant's condensed water precision processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208617391U true CN208617391U (en) | 2019-03-19 |
Family
ID=65701284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820795948.4U Active CN208617391U (en) | 2018-05-25 | 2018-05-25 | Nuclear power plant's condensed water precision processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208617391U (en) |
-
2018
- 2018-05-25 CN CN201820795948.4U patent/CN208617391U/en active Active
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