CN101857323B - Method and device for power station condensed water fine treatment - Google Patents
Method and device for power station condensed water fine treatment Download PDFInfo
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- CN101857323B CN101857323B CN2010102029928A CN201010202992A CN101857323B CN 101857323 B CN101857323 B CN 101857323B CN 2010102029928 A CN2010102029928 A CN 2010102029928A CN 201010202992 A CN201010202992 A CN 201010202992A CN 101857323 B CN101857323 B CN 101857323B
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Abstract
The invention discloses a method and a device for power station condensed water fine treatment. After condensed water enters a pipeline, the sequence of the condensed water flowing through filter equipment (1) and ion exchange equipment (2) is adjusted through controlling valves arranged in the pipeline to satisfy the requirements of a condensed water fine treatment system under operation conditions at different stages. The invention has the advantages that the equipment is simplified, the area occupied by the equipment is saved, the high requirement on water quality of large-flow and high-parameter unit is satisfied, the water required by the unit for startup is greatly saved, the unit can be put into operation rapidly, the system manufacturing cost is reduced and the quality of the produced water is improved.
Description
Technical field
the present invention relates to the method and the device of a kind of power station condensed water precision processing, belong to the Treatment of Industrial Water field.
Background technology
The resin extender that
are seated in the condensate clean-up plant is very sensitive to the iron suspended substance, and is too high like the iron suspension content in condensed water, can cause resin extender " poisoning " and loses efficacy; So at the conventional thermal power station unit starting initial stage; When the condensed water iron-holder surpasses 1000 μ g/l, do not get into condensate clean-up plant, only drop into preposition straining installation; With the iron suspension content in the reduction system, make unit change the operation phase as early as possible over to.But straining installation and condensate clean-up plant separate, complex equipments, and investment is big.
mainly lean on a large amount of discharging wash-down waters and additional fresh water to make the condensed water iron-holder reduce to claimed range in the Nuclear power plants unit starting stage, need to consume a large amount of fresh waters, and water resource waste is serious.
are in the Nuclear power plants unit operation stage; It is higher that its secondary circuit is compared conventional fired power generating unit to the water quality requirement of condensed water; And the resin extender that is seated in the condensate clean-up plant can produce fine particle or powder in the long-time running process; Might under the secondary circuit hot conditions, produce decomposition, forming has the sulfate ion of corrosive nature to evaporator material, so be necessary to hold back the fine particle or the powder of resin extender.
Summary of the invention
the objective of the invention is to; The method and the device of the condensed water precision processing of a kind of power station are provided; Can either simplified apparatus; The requirement of condensate system can be satisfied again, and the problem that fine particle and powder in the serious and condensed water of water resource waste can not effectively be handled can be solved at the operation condition of different steps.
technical scheme of the present invention: the method for a kind of power station condensed water precision processing; After condensed water gets into pipeline; Through adjusting the condensed water order of straining installation and ion-exchange unit of flowing through, thereby reach the requirement of satisfying condensed water precision processing system different steps operation condition to being arranged in the pipeline control of valve.
In the method for aforesaid power station condensed water precision processing,
A, in the power station unit starting stage, pending condensed water is first-class through filtration equipment through valve, remove suspended impurity after, through valve two ion-exchange unit of flowing through, remove ionic impurity after, flow out through valve three;
b, unit normal operating phase in the power station; Pending condensed water is through valve four ion-exchange unit of flowing through; After removing ionic impurity; Through valve five straining installation of flowing through, remove the granulometric impurity that the resin extender that is seated in the ion-exchange unit produces because of long-time running after, flow out through valve six.
In the method for aforesaid power station condensed water precision processing,
A, in the power station unit starting stage, pending condensed water is first-class through filtration equipment through valve, flows out through valve six after removing suspended impurity;
b, in the power station unit normal operating phase, pending condensed water flows into ion-exchange units through valve four, remove ionic impurity after, flow out through valve three.
The device of the power station condensed water precision processing that
aforesaid method relates to; Comprise straining installation, ion-exchange unit, pipeline inlet and pipeline outlet; The pipeline inlet is connected with an end of valve one; The other end of valve one is connected with the inlet of straining installation, and the outlet of straining installation is connected with an end of valve two, and the other end of valve two is connected with the inlet of ion-exchange unit; The outlet of ion-exchange unit is connected with an end of valve three, and the other end of valve three is connected with the pipeline outlet; The inlet of ion-exchange unit also is connected with an end of valve four, and the other end of valve four is connected with the pipeline inlet; The outlet of straining installation also is connected with an end of valve six, and the other end of valve six is connected with the pipeline outlet; The outlet of ion-exchange unit also is connected with an end of valve five, and the other end of valve five is connected with the inlet of straining installation.Instrument and other equipment can be set in the pipeline.
In the device of
aforesaid power station condensed water precision processing, straining installation is the tankage that filter core is equipped with in inside.It is in order to remove the suspended impurity in the condensed water that straining installation is set.
In the device of
aforesaid power station condensed water precision processing, ion-exchange unit is the tankage that resin extender is equipped with in inside.It is in order to remove the ionic impurity in the condensed water that ion-exchange unit is set.
compared with prior art; The present invention is arranged on straining installation and ion-exchange unit in the pipeline demands of different that realizes multiple operation condition through the control to valve in the pipeline; Not only simplify equipment, also saved floor space, reduced cost of investment.This equipment of use can be practiced thrift the required a large amount of waters of unit starting, has solved the problem of water resource waste.Straining installation and ion-exchange unit in the pipeline can effectively be removed suspended particle and ionic impurity in the condensed water simultaneously.The present invention can also solve big flow, the high pressure high temperature turbosets high request to water quality except aforesaid advantage, unit can be put into operation rapidly, has reduced system cost, has improved system water quality.Description of drawings
Fig. 1 is a structural representation of the present invention;
Being labeled as in
accompanying drawing: 1-straining installation, 2-ion-exchange unit, 3-valve one, 4-valve two, 5-valve three, 6-valve four, 7-valve five, 8-valve six, 9-pipeline inlet, the outlet of 10-pipeline.
Embodiment
are further described the present invention below in conjunction with accompanying drawing and embodiment.
embodiments of the invention: the power station polishing unit that condenses; Comprise straining installation 1, ion-exchange unit 2, pipeline inlet 9 and pipeline outlet 10; Pipeline inlet 9 is connected with an end of valve 1; The other end of valve 1 is connected with the inlet of straining installation 1, and the outlet of straining installation 1 is connected with an end of valve 24, and the other end of valve 24 is connected with the inlet of ion-exchange unit 2; The outlet of ion-exchange unit 2 is connected with an end of valve 35, and the other end of valve 35 is connected with pipeline outlet 10; The inlet of ion-exchange unit 2 also is connected with an end of valve 46, and the other end of valve 46 is connected with pipeline inlet 9; The outlet of straining installation 1 also is connected with an end of valve 68, and the other end of valve 68 is connected with pipeline outlet 10; The outlet of ion-exchange unit 2 also is connected with an end of valve 57, and the other end of valve 57 is connected with the inlet of straining installation 1.Straining installation 1 is the tankage that filter core is equipped with in inside.Ion-exchange unit 2 is tankages that resin extender is equipped with in inside.
The above-mentioned power station method of polishing unit to the condensed water precision processing of condensing used in
: after condensed water gets into pipeline; Through adjusting the condensed water order of straining installation 1 and ion-exchange unit 2 of flowing through, thereby reach the requirement of satisfying condensed water precision processing system different steps operation condition to being arranged at the control of valve in the pipeline.
A, in the power station unit starting stage, pending condensed water is through valve 1 straining installation 1 of flowing through, remove suspended impurity after, through valve 24 ion-exchange unit 2 of flowing through, remove ionic impurity after, flow out through valve 35;
B, in the power station unit normal operating phase; Pending condensed water is through valve 46 ion-exchange unit 2 of flowing through; After removing ionic impurity; Through valve 57 straining installation 1 of flowing through, remove the granulometric impurity that the resin extender that is seated in the ion-exchange unit produces because of long-time running after, flow out through valve 68;
C, in the power station unit starting stage, pending condensed water is through valve 1 straining installation 1 of flowing through, and flows out through valve 68 after removing suspended impurity;
d, in the power station unit normal operating phase, pending condensed water flows into ion-exchange units 2 through valve 46, remove ionic impurity after, flow out through valve 35.
Claims (5)
1. the method for a power station condensed water precision processing; It is characterized in that: after condensed water gets into pipeline; Through adjusting the condensed water order of straining installation (1) and ion-exchange unit (2) of flowing through, thereby reach the requirement of satisfying condensed water precision processing system different steps operation condition to being arranged in the pipeline control of valve:
A, in the power station unit starting stage, pending condensed water is through valve one (3) straining installation (1) of flowing through, remove suspended impurity after, through valve two (4) ion-exchange unit (2) of flowing through, remove ionic impurity after, flow out through valve three (5);
B, in the power station unit normal operating phase; Pending condensed water is through valve four (6) ion-exchange unit (2) of flowing through; After removing ionic impurity; Through valve five (7) straining installation (1) of flowing through, remove the granulometric impurity that the resin extender that is seated in the ion-exchange unit produces because of long-time running after, flow out through valve six (8).
2. the method for a power station condensed water precision processing; It is characterized in that: after condensed water gets into pipeline; Through adjusting the condensed water order of straining installation (1) and ion-exchange unit (2) of flowing through, thereby reach the requirement of satisfying condensed water precision processing system different steps operation condition to being arranged in the pipeline control of valve:
A, in the power station unit starting stage, pending condensed water is through valve one (3) straining installation (1) of flowing through, and flows out through valve six (8) after removing suspended impurity;
B, in the power station unit normal operating phase, pending condensed water flows into ion-exchange units (2) through valve four (6), remove ionic impurity after, flow out through valve three (5).
3. claim 1 or the 2 said methods power station of the using polishing unit that condenses; Comprise straining installation (1), ion-exchange unit (2), pipeline inlet (9) and pipeline outlet (10); It is characterized in that: pipeline inlet (9) is connected with an end of valve one (3); The other end of valve one (3) is connected with the inlet of straining installation (1), and the outlet of straining installation (1) is connected with an end of valve two (4), and the other end of valve two (4) is connected with the inlet of ion-exchange unit (2); The outlet of ion-exchange unit (2) is connected with an end of valve three (5), and the other end of valve three (5) is connected with pipeline outlet (10); The inlet of ion-exchange unit (2) also is connected with an end of valve four (6), and the other end of valve four (6) is connected with pipeline inlet (9); The outlet of straining installation (1) also is connected with an end of valve six (8), and the other end of valve six (8) is connected with pipeline outlet (10); The outlet of ion-exchange unit (2) also is connected with an end of valve five (7), and the other end of valve five (7) is connected with the inlet of straining installation (1).
4. the power station according to claim 3 polishing unit that condenses, it is characterized in that: straining installation (1) is the tankage that filter core is equipped with in inside.
5. the power station according to claim 3 polishing unit that condenses, it is characterized in that: ion-exchange unit (2) is the tankage that resin extender is equipped with in inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102029928A CN101857323B (en) | 2010-06-18 | 2010-06-18 | Method and device for power station condensed water fine treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102029928A CN101857323B (en) | 2010-06-18 | 2010-06-18 | Method and device for power station condensed water fine treatment |
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| CN101857323A CN101857323A (en) | 2010-10-13 |
| CN101857323B true CN101857323B (en) | 2012-05-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947398B (en) * | 2010-09-03 | 2012-05-09 | 国核电力规划设计研究院 | Precision filtering device and method for finely processing condensation water from nuclear power station |
| CN102161542B (en) * | 2011-03-14 | 2012-12-26 | 华电水务工程有限公司 | Method and device for precisely processing nuclear power station condensation water |
| CN103373745A (en) * | 2012-04-17 | 2013-10-30 | 南京中电环保股份有限公司 | Valve-free bypass method and device for nuclear power condensed water fine treatment system |
| CN102745835B (en) * | 2012-06-28 | 2014-08-06 | 国核电力规划设计研究院 | Bypass system of condensed water precision processing system of thermal power plant and control method thereof |
| CN114804409A (en) * | 2022-04-12 | 2022-07-29 | 西安热工研究院有限公司 | Nuclear power station condensate fine treatment system and operation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2529863Y (en) * | 2002-03-06 | 2003-01-08 | 华电水处理技术工程有限公司 | Fine treatment and separating installation of condensate |
| CN200992513Y (en) * | 2006-12-26 | 2007-12-19 | 北京中电加美环境工程技术有限责任公司 | Condensate polishing separation bed device |
| CN100546918C (en) * | 2007-07-05 | 2009-10-07 | 南京九思高科技有限公司 | The method of processing high temperature condensed water by integration technique of membrane |
| CN201704145U (en) * | 2010-06-18 | 2011-01-12 | 华电水处理技术工程有限公司 | Power station condensed water precision treatment device |
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Effective date of registration: 20120113 Address after: 100035, B building, Huadian building, No. 273, inner main street, Xizhimen, Beijing, Xicheng District Applicant after: Huadian Water Engineering Co., Ltd. Address before: 100035, B, building 273, Huadian building, No. 503 Xizhimen inner main street, Beijing, Haidian District Applicant before: Huadian Water Treatment Technology Engineering Co., Ltd. Co-applicant before: China Huadian Engineering (Group) Co., Ltd. |
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