CN103212548A - Flushing system and method for cleaning local sedimentation in nuclear power plant - Google Patents
Flushing system and method for cleaning local sedimentation in nuclear power plant Download PDFInfo
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- CN103212548A CN103212548A CN2013101122196A CN201310112219A CN103212548A CN 103212548 A CN103212548 A CN 103212548A CN 2013101122196 A CN2013101122196 A CN 2013101122196A CN 201310112219 A CN201310112219 A CN 201310112219A CN 103212548 A CN103212548 A CN 103212548A
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Abstract
The invention relates to a flushing system for cleaning local sedimentation in a nuclear power plant, wherein a demineralized water plant building (13) and a water taking pump room (12) of a circulation water and important plant use water system are arranged in the nuclear power plant, the flushing system comprises an ultrafiltration waste water recovery pool (1) and a flushing water pump (2), the ultrafiltration waste water recovery pool (1) is arranged in the demineralized water plant building (13), the inlet end of the flushing water pump (2) is connected with the ultrafiltration waste water recovery pool (1), and the outlet end of the flushing water pump (2) is provided with a flushing pipeline (3). The invention also provides a method adopting the flushing system for cleaning the local sedimentation in the nuclear power plant. When the flushing system and the method provided by the invention are adopted, the problem of local sedimentation of the pump room of the nuclear power plant in the high-sediment sea area is solved, the operation safety of the circulation water and important plant use water system in the pump room is improved, the utilization rate of fresh water is also improved, and the water consumption is saved.
Description
Technical field
The invention belongs to nuclear power plant and guarantee the safe operation technical field, be specifically related to a kind of rinse-system and method that is used to clear up the local alluvial of nuclear power plant.
Background technology
Usually, be provided with the hydrophobic tunnel 4 of SEC/CRF, SEC/CRF flashboard 5, SEC/CRF grid sewage-removing machine 6(in recirculated water of nuclear power plant (CRF) and the essential service water system (SEC) and be connected with motor, motor is represented with symbol M), SEC/CRF rotary drum filter screen 7, SEC/CRF suction closed conduit 8 etc. (as shown in Figure 1), and link together by pipeline, also be provided with the suction closed conduit in the General System and connect parts such as valve 9, Pressure gauge 11 and differential manometer conduit 10.
In the water intaking pump house of the nuclear power plant in high silt marine site, though there are independently runner in recirculated water and essential service water system, can not form the runner alluvial, but positions such as the differential manometer conduit in the system, the closed conduit connection valve that absorbs water easily form the silt alluvial, can cause the problem that pressure reduction is forbidden maybe to measure pressure reduction, the closed conduit connection valve that absorbs water can't be opened of measuring.
In addition, with the nuclear power plant of fresh water as the demineralized water water source, the former water of DW system demineralized water system generally comes from fresh water factory and produces water system, the water quality of producing water has generally reached water quality standard for drinking water, when entering DW system demineralized water system and carry out hyperfiltration treatment, ultrafiltration waste water that produces and seawater are comparatively speaking very clean, if do not recycled, will cause the serious wasting of resources.
Summary of the invention
At the defective that exists in the prior art, an object of the present invention is to provide a kind of rinse-system and method that is used to clear up the local alluvial of nuclear power plant, adopt this rinse-system not only can improve the safety in operation of recirculated water and essential service water system, and can increase the utilization rate of fresh water, using water wisely.
Another object of the present invention provides a kind of method that adopts the local alluvial of above-mentioned rinse-system cleaning nuclear power plant.
For reaching above purpose, the technical solution used in the present invention is: a kind of rinse-system that is used to clear up the local alluvial of nuclear power plant, wherein, be provided with the water intaking pump house of demineralized water factory building and recirculated water and essential service water system in the nuclear power plant, described rinse-system comprises ultrafiltration waste water recovery pond and the flush water pump that is located at the demineralized water factory building, the entrance point of flush water pump links to each other with ultrafiltration waste water recovery pond, and the port of export of flush water pump is provided with flushing line.
Further, flushing line links to each other with the communication means of silt alluvial position in the essential service water system with recirculated water by some coupled branch roads.
Further again, the communication means of alluvial position is meant that the suction closed conduit of being located in the water intaking pump house is connected valve and differential manometer conduit in recirculated water and the essential service water system.
A kind of method that adopts the local alluvial of above-mentioned rinse-system cleaning nuclear power plant provided by the invention, may further comprise the steps: ultrafiltration waste water is recovered in the ultrafiltration waste water recovery pond, use flush water pump to extract ultrafiltration waste water, and by flushing line ultrafiltration waste water is delivered in recirculated water and the essential service water system silt alluvial position and washes.
Further, silt alluvial position is meant that the suction closed conduit is connected valve and differential manometer conduit in described recirculated water and the essential service water system.
Rinse-system provided by the invention, the ultrafiltration waste water that does not contain any chemical addition agent in the demineralized water preliminary treatment with recovery is flushing water, the differential manometer conduit, the suction closed conduit that wash nuclear power plant's recirculated water and essential service water system discontinuously connect parts such as valve, both solved the problem of the local alluvial of high silt marine site nuclear power plant pump house, improved the safety in operation of recirculated water and essential service water system, increased the utilization rate of fresh water again, using water wisely.
Description of drawings
Fig. 1 is a kind of structural representation that is used to clear up the local rinse-system that deposits of nuclear power plant provided by the invention;
Fig. 2 is a kind of flow chart of clearing up the method for the local alluvial of nuclear power plant provided by the invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further described.
As shown in Figure 1, usually all be provided with demineralized water factory building 13 in the nuclear power plant, the pretreating process of demineralized water factory building 13 generally adopts hyperfiltration treatment, waste water after the hyperfiltration treatment is used to wash recirculated water and the essential service water system in nuclear power plant's pump house, and the intrasystem part pipeline of recirculated water and essential service water is located in the water intaking pump house 12.
A kind of rinse-system that is used to clear up the local alluvial of nuclear power plant provided by the present invention, comprise the ultrafiltration waste water recovery pond 1 and the flush water pump 2 that are located in the demineralized water factory building 13, the entrance point of flush water pump 2 links to each other with ultrafiltration waste water recovery pond 1, and the port of export of flush water pump 2 is provided with flushing line 3.
In a kind of specific embodiment of the present invention, flushing line 3 links to each other (being not limited to this application mode) by the communication means that is prone to the silt alluvial in some coupled branch roads and recirculated water and the essential service water system, and these communication means generally include suction closed conduits connection valve 9 and the differential manometer conduit of being located in the water intaking pump house 12 10.During use,, wash silt in the communication means discontinuously, guarantee the unobstructed of pipeline by controlling opening, stopping of flush water pump 2.
As shown in Figure 2, a kind of method of clearing up the local alluvial of nuclear power plant provided by the present invention specifically comprises:
1) the ultrafiltration waste water that will not contain any chemical addition agent is recycled in the ultrafiltration waste water recovery pond 1, the ultrafiltration waste water here comprise ultrafiltration system dense water, fast bath, do not have the backwashing water that chemistry adds, be collected in the ultrafiltration waste water recovery pond 1 through the discharge of wastewater ditch.
2) the ultrafiltration waste water that uses flush water pump 2 will enter in the ultrafiltration waste water recovery pond 1 is promoted in the water intaking pump house 12, and is conducted to the position (connecting valve 9 and differential manometer conduit 10 as the suction closed conduit) that occurs the silt alluvial in recirculated water, the essential service water system respectively by flushing line 3 and branch road thereof and washes.
In the flushing process,, control opening, stopping of flush water pump 2, discontinuously silt in flush cycle water, the essential service water system according to the liquid level of ultrafiltration waste water recovery pond 1.Promptly when ultrafiltration waste water recovery pond 1 arrives high liquid level, start flush water pump 2, the suction closed conduit by 3 pairs of recirculated waters of flushing line, essential service water system connects valve 9, differential manometer conduit 10 washes; When liquid level is hanged down in 1 arrival of ultrafiltration waste water recovery pond, flush water pump 2 is shut down, stop flushing.
The foregoing description just illustrates of the present invention, and the present invention also can implement with other ad hoc fashion or other particular form, and does not depart from main idea of the present invention or substantive characteristics.Therefore, the embodiment of description all should be considered as illustrative from any aspect but not be determinate.Scope of the present invention should be by additional claim explanation, and the intention of any and claim and the variation of scope equivalence also should be within the scope of the present invention.
Claims (5)
1. one kind is used to clear up the local rinse-system that deposits of nuclear power plant, wherein, be provided with the water intaking pump house (12) of demineralized water factory building (13) and recirculated water and essential service water system in the nuclear power plant, it is characterized in that, described rinse-system comprises ultrafiltration waste water recovery pond (1) and the flush water pump (2) that is located at demineralized water factory building (13), the entrance point of flush water pump (2) links to each other with ultrafiltration waste water recovery pond (1), and the port of export of flush water pump (2) is provided with flushing line (3).
2. a kind of rinse-system that is used to clear up the local alluvial of nuclear power plant according to claim 1, it is characterized in that flushing line (3) links to each other with the communication means of silt alluvial position in the essential service water system with recirculated water by some coupled branch roads.
3. a kind of rinse-system that is used to clear up the local alluvial of nuclear power plant according to claim 2, it is characterized in that the communication means of alluvial position is meant that the suction closed conduit of being located in the water intaking pump house is connected valve (9) and differential manometer conduit (10) in recirculated water and the essential service water system.
4. one kind is adopted the local method of depositing of the described rinse-system cleaning of claim 1 nuclear power plant, it is characterized in that, may further comprise the steps: ultrafiltration waste water is recovered in the ultrafiltration waste water recovery pond, use flush water pump to extract ultrafiltration waste water, and by flushing line ultrafiltration waste water is delivered in recirculated water and the essential service water system silt alluvial position and washes.
5. the method for the local alluvial of cleaning according to claim 4 nuclear power plant is characterized in that, silt alluvial position is meant that the closed conduit that absorbs water is connected valve and differential manometer conduit in described recirculated water and the essential service water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112219.6A CN103212548B (en) | 2013-04-02 | 2013-04-02 | A kind of rinse-system for clearing up local sedimentation in the nuclear power plant and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112219.6A CN103212548B (en) | 2013-04-02 | 2013-04-02 | A kind of rinse-system for clearing up local sedimentation in the nuclear power plant and method |
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| Publication Number | Publication Date |
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| CN103212548A true CN103212548A (en) | 2013-07-24 |
| CN103212548B CN103212548B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310112219.6A Active CN103212548B (en) | 2013-04-02 | 2013-04-02 | A kind of rinse-system for clearing up local sedimentation in the nuclear power plant and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139911A (en) * | 2015-08-05 | 2015-12-09 | 中国核电工程有限公司 | Spent fuel storage pool bottom scrubbing device |
| CN105448370A (en) * | 2015-11-18 | 2016-03-30 | 中广核工程有限公司 | Nuclear power plant flushing and water supplementing apparatus and method thereof |
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| CN2692221Y (en) * | 2004-04-27 | 2005-04-13 | 郭建军 | Washer discharge water secondary utilization dovice |
| CN2765832Y (en) * | 2005-01-27 | 2006-03-22 | 北京市环境保护科学研究院 | Integral flusher for building site vehicle |
| WO2006098636A1 (en) * | 2005-03-16 | 2006-09-21 | Norsk Hydro Asa | Arrangement for the cleaning of a pipe separator |
| US20090100619A1 (en) * | 2005-12-08 | 2009-04-23 | Baird Jeffery D | Method and Apparatus for Cleaning a Conduit |
| CN201848413U (en) * | 2010-05-26 | 2011-06-01 | 东方电气(广州)重型机器有限公司 | Steam generator pipe bundle-cleaning apparatus |
| CN202263756U (en) * | 2011-10-18 | 2012-06-06 | 李军民 | Dredging device of water conduit |
| CN202316434U (en) * | 2011-11-03 | 2012-07-11 | 安徽省繁昌县邦安防火防腐材料有限公司 | Pipeline cleaning device |
| CN102826072A (en) * | 2011-06-15 | 2012-12-19 | 上海美申环境设施设备有限公司 | Integrated automatic vehicle cleaning apparatus |
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2013
- 2013-04-02 CN CN201310112219.6A patent/CN103212548B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692221Y (en) * | 2004-04-27 | 2005-04-13 | 郭建军 | Washer discharge water secondary utilization dovice |
| CN2765832Y (en) * | 2005-01-27 | 2006-03-22 | 北京市环境保护科学研究院 | Integral flusher for building site vehicle |
| WO2006098636A1 (en) * | 2005-03-16 | 2006-09-21 | Norsk Hydro Asa | Arrangement for the cleaning of a pipe separator |
| US20090100619A1 (en) * | 2005-12-08 | 2009-04-23 | Baird Jeffery D | Method and Apparatus for Cleaning a Conduit |
| CN201848413U (en) * | 2010-05-26 | 2011-06-01 | 东方电气(广州)重型机器有限公司 | Steam generator pipe bundle-cleaning apparatus |
| CN102826072A (en) * | 2011-06-15 | 2012-12-19 | 上海美申环境设施设备有限公司 | Integrated automatic vehicle cleaning apparatus |
| CN202263756U (en) * | 2011-10-18 | 2012-06-06 | 李军民 | Dredging device of water conduit |
| CN202316434U (en) * | 2011-11-03 | 2012-07-11 | 安徽省繁昌县邦安防火防腐材料有限公司 | Pipeline cleaning device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105139911A (en) * | 2015-08-05 | 2015-12-09 | 中国核电工程有限公司 | Spent fuel storage pool bottom scrubbing device |
| CN105448370A (en) * | 2015-11-18 | 2016-03-30 | 中广核工程有限公司 | Nuclear power plant flushing and water supplementing apparatus and method thereof |
| CN105448370B (en) * | 2015-11-18 | 2018-05-01 | 中广核工程有限公司 | A kind of nuclear power station rinses and water replanishing device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103212548B (en) | 2016-08-17 |
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