CN203346203U - Condensate polishing system - Google Patents

Condensate polishing system Download PDF

Info

Publication number
CN203346203U
CN203346203U CN 201320336626 CN201320336626U CN203346203U CN 203346203 U CN203346203 U CN 203346203U CN 201320336626 CN201320336626 CN 201320336626 CN 201320336626 U CN201320336626 U CN 201320336626U CN 203346203 U CN203346203 U CN 203346203U
Authority
CN
China
Prior art keywords
valve
pipeline
negative
standby
mixed ion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201320336626
Other languages
Chinese (zh)
Inventor
沈建永
王正平
沈明忠
王建华
周小琴
高占奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUADIAN WATER ENGINEERING Co Ltd
China Huadian Engineering Group Co Ltd
Original Assignee
HUADIAN WATER ENGINEERING Co Ltd
China Huadian Engineering Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUADIAN WATER ENGINEERING Co Ltd, China Huadian Engineering Group Co Ltd filed Critical HUADIAN WATER ENGINEERING Co Ltd
Priority to CN 201320336626 priority Critical patent/CN203346203U/en
Application granted granted Critical
Publication of CN203346203U publication Critical patent/CN203346203U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a condensate polishing system. A pipeline inlet, a cation exchanger, a mixed anion and cation exchanger, a filter, a booster pump and a pipeline outlet are serially connected in sequence through connecting pipelines; a first valve and a third valve are arranged between the pipeline inlet and the cation exchanger; a fourth valve and a sixth valve are arranged between the mixed anion and cation exchanger and the filter; a seventh valve is arranged between the filter and the booster pump; an eighth valve is arranged on the connecting pipeline between the booster pump and the pipeline outlet; the pipeline inlet is communicated with the pipeline outlet through a valveless bypass. The condensate polishing system can be used for effectively removing metal corrosion products and suspension solids, protecting ion exchange resin, meeting the running conditions of the ion exchangers as quickly as possible, shortening the pipeline flushing time, reducing the water resource waste, and effectively intercepting small resin particles after the ion exchangers normally run to keep the running safety of secondary circuit thermal equipment.

Description

A kind of condensed water precision processing system
Technical field
The utility model relates to a kind of condensed water precision processing system, belongs to the Treatment of Industrial Water field.
Background technology
For the large Capacity Supercritical of routine and above fired power generating unit, condensate fine is processed usually and adopted: fore filter adds high flow rate negative and positive mixed ion exchanger and carries out purification of water quality.The setting of fore filter, it is main because the ion exchange resin in high flow rate negative and positive mixed ion exchanger is very sensitive to iron (suspended substance in condensed water is mainly the oxide compound of iron), as too high as iron suspension content in condensed water, can cause ion exchange resin " poisoning ", affect the ion exchange resin performance and used life, bring unnecessary financial loss (this resinoid is imported product at present, once changes and will spend the millions of units of Renminbi).
For nuclear power generating sets, because the tubing of vapour generator (SG) will be taken into account the working conditions of Nuclear power plants one circuit cools liquid and secondary circuit de-mineralized water, therefore, usually adopt expensive alloy material, as materials such as nickel-base alloy Inconel-600, Inconel-800 or Inconel-690.But this nickel-base alloy is very sensitive to micro ions such as the SO42-in de-mineralized water, Na+, Cl –, especially in the situation that in vapour generator, that it is concentrated, can cause the intergranular stress corrosion of nickel-base alloy tubing and the depression damage at pipe end and place, tube sheet gap, therefore, for the safe operation of unit, the water quality of secondary circuit is had to more strict regulation.Adopt condensate fine treatment process and the device of conventional fired power generating unit can not meet the requirement of nuclear power generating sets to water quality.
In current nuclear power generating sets, the method that has usually adopted cation exchanger, negative and positive mixed ion exchanger and boosting pump to connect successively to the condensed water of secondary circuit completes purification of water quality.Ammonia, cation impurity, suspended solids, the Zeo-karb of corrosion product in cation exchanger contained in pending condensed water are removed, condensed water intermediate ion salt is further removed by the anion-cation exchange resin in the negative and positive mixed ion exchanger, thereby reach the decontamination effect improving of condensed water, the setting of boosting pump is mainly used to provide the condensed water power of refining plant of flowing through, with the pressure-losses of compensation condensed water precision processing system.In the unit starting stage, mainly by flushing and discharge and supplementary fresh water, make the concentration of the suspended substance such as condensed water iron content be down to requirement, this mode need to consume a large amount of fresh waters and very long flush time.In Nuclear power plants, a million kilowatt unit, if within 1 day, enter the business operation in advance, just have more than 1,000 ten thousand income, and economic benefit is considerable.Because the resin extender be seated in condensate clean-up plant can produce fine particle or powder in During Process of Long-term Operation; the secondary coolant circuit system that enters unit can form evaporator material is had to the sulfate ion of corrosive nature under hot conditions, so be necessary to hold back fine particle or the powder of resin extender.
In addition, traditional precision processing device of condensation water design is with the bypath system of bypass valve, when condensed water precision processing system is out of service, bypass valve should be held open state, but in actual applications, there is the by-pass valve fault and cause the situation of whole unit outage, to power plant, causing huge financial loss.
The utility model content
The purpose of this utility model is, a kind of condensed water precision processing system is provided, it can effectively remove metallic corrosion products and suspended solids, protection ion exchange resin, the condition (iron level is less than 1000 μ g/L) that makes system meet as early as possible ion-exchanger to put into operation, thereby shorten the flushing of pipeline time, reduce water resource waste; Again can be after the ion exchange unit operation, the tiny resin particle of effectively catching, guarantee secondary circuit heat power equipment operating safety.
The technical solution of the utility model: a kind of condensed water precision processing system, comprise the pipeline entrance, the pipeline outlet, cation exchanger, negative and positive mixed ion exchanger and strainer, the pipeline entrance, cation exchanger, the negative and positive mixed ion exchanger, strainer and pipeline outlet are connected in series successively by connecting pipeline, connecting pipeline between strainer and pipeline outlet is provided with boosting pump, connecting pipeline between pipeline entrance and cation exchanger is provided with valve one and valve three A, connecting pipeline between cation exchanger and negative and positive mixed ion exchanger is provided with valve ten A and valve 11 A, be provided with the A resin catcher between cation exchanger and valve ten A, connecting pipeline between negative and positive mixed ion exchanger and strainer is provided with valve four A and valve six, be provided with the B resin catcher between negative and positive mixed ion exchanger and valve four A, connecting pipeline between strainer and boosting pump is provided with valve seven, one end of A bypass is connected on the connecting pipeline between valve seven and boosting pump, and the other end is connected on the connecting pipeline between valve six and valve four A, and the A bypass is provided with valve five, one end of B bypass is connected on the connecting pipeline between valve one and valve three A, and the other end is connected on the connecting pipeline between valve six and valve four A, and the B bypass is provided with valve two, connecting pipeline between boosting pump and pipeline outlet is provided with valve eight, the pipeline entrance is communicated with by the valveless bypass with the pipeline outlet.Efficiently solve tradition and have the valve bypass easily to break down to cause the problem of unit outage by the valveless bypass is set.
In aforesaid condensed water precision processing system, also comprise the C bypass, an end of C bypass is connected on the connecting pipeline between valve one and valve two, and the other end is connected on the connecting pipeline between valve eight and boosting pump, and the C bypass is provided with valve nine.
In aforesaid condensed water precision processing system, also comprise standby cation exchanger, standby negative and positive mixed ion exchanger and liaison tube, the feed-water end of standby cation exchanger is connected with the feed-water end of valve three A by connecting pipeline, its connecting pipeline is provided with valve three B, the water side of standby cation exchanger is connected with the feed-water end of standby negative and positive mixed ion exchanger by connecting pipeline, and the water side of standby negative and positive mixed ion exchanger is connected with the water side of valve four A by connecting pipeline; Be provided with successively C resin catcher, valve ten B and valve 11 B on connecting pipeline between standby cation exchanger and standby negative and positive mixed ion exchanger, be provided with successively D resin catcher and valve four B on the connecting pipeline of the water side of the water side of standby negative and positive mixed ion exchanger and valve four A; One end of liaison tube is connected on the pipeline between valve ten A outlets and valve 11 A entrances, and the other end is connected on the pipeline between valve ten B outlets and valve 11 B entrances.
In aforesaid condensed water precision processing system, be equipped with differential pressure measurement instrument A on the import and export pipeline of cation exchanger and standby cation exchanger, be equipped with conductivity measuring instrument A and flowmeter Table A on export pipeline.
In aforesaid condensed water precision processing system, be equipped with differential pressure measurement instrument B on the import and export pipeline of negative and positive mixed ion exchanger and standby negative and positive mixed ion exchanger, be equipped with conductivity measuring instrument B, flow measurement instrument B, sodium ion metrical instrument on export pipeline.
In aforesaid condensed water precision processing system, the two ends of the two ends of strainer or valve five are connected with the differential pressure measurement instrument.
In aforesaid condensed water precision processing system, described cation exchanger and standby cation exchanger are the containers that Zeo-karb is equipped with in inside; High 800mm~the 1600mm that is of cation exchange resin layer in cation exchanger and standby cation exchanger.
In aforesaid condensed water precision processing system, the high 1200mm that is of cation exchange resin layer in cation exchanger and standby cation exchanger.
In aforesaid condensed water precision processing system, described negative and positive mixed ion exchanger and standby negative and positive mixed ion exchanger are the containers that anionite-exchange resin and Zeo-karb are equipped with in inside; Anionite-exchange resin in negative and positive mixed ion exchanger and standby negative and positive mixed ion exchanger and total floor height of Zeo-karb are 800mm~1600mm, and the ratio of anionite-exchange resin and Zeo-karb is 3:2 or 3:1 or 2:1.
Compared with prior art, the utility model is due to a plurality of valves being set in pipeline, realize the different requirements of multiple operation condition by the control to valve, not only simplified equipment, saved the floor space of equipment, and large flow, high pressure high temperature turbosets have been solved, particularly the high request of nuclear power generating sets to water quality saved the required a large amount of waters of unit starting simultaneously, and unit energy is put into operation rapidly, reduce system cost, improved water quality processed.
Before externally system starts, valve-off one, valve eight, valve two, valve three B, valve four B and valve five, Open valve nine, valve three A, valve ten A, valve 11 A, valve four A, valve six and valve seven, can make the inner continuous or discontinuous cycle operation of condensed water precision processing system, make condensed water precision processing system in hot standby state, put into operation with the fastest time when externally system needs.
Because the utility model has adopted the valveless bypass, with prior art, be only to have lacked by-pass valve control to the eye, exactly because but such improvement promotes the safety coefficient of whole unit greatly.In the valve bypass is arranged, owing to being provided with valve and corresponding interconnecting piece, the circuit failure point is increased, thereby increased the potential safety hazard of unit, and because by-pass valve needs frequent the keying, once break down whole unit forced outage brings massive losses.By the valveless bypass is set, and the use of cooperation boosting pump, efficiently solve the security hidden trouble that tradition has the valve bypass.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Being labeled as in accompanying drawing: 1-pipeline entrance, the 2-cation exchanger, 3-negative and positive mixed ion exchanger, the 4-strainer, the outlet of 5-pipeline, 6-valve one, the 7-boosting pump, 8-valve three A, 9-valve four A, 10-valve six, 11-valve seven, the 12-A bypass, 13-valve five, the 14-B bypass, 15-valve eight, the bypass of 16-valveless, the 17-C bypass, 18-valve two, 19-valve nine, the 20-A resin catcher, the 21-B resin catcher, 22-differential pressure measurement instrument, 23-valve ten A, 24-valve 11 A, the 25-liaison tube, 26-differential pressure measurement instrument A, 27-conductivity measuring instrument A, 28-flowmeter Table A, 29-differential pressure measurement instrument B, 30-conductivity measuring instrument B, 31-flow measurement instrument B, 32-sodium ion metrical instrument, the standby cation exchanger of 33-, 34-valve three B, the 35-C resin catcher, 36-valve ten B, 37-valve 11 B, the 38-D resin catcher, 39-valve four B, the standby negative and positive mixed ion exchanger of 40-.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1 of the present utility model: a kind of condensed water precision processing system, comprise pipeline entrance 1, pipeline outlet 5, cation exchanger 2, negative and positive mixed ion exchanger 3 and strainer 4, pipeline entrance 1, cation exchanger 2, negative and positive mixed ion exchanger 3, strainer 4 and pipeline outlet 5 are connected in series successively by connecting pipeline, connecting pipeline between strainer 4 and pipeline outlet 5 is provided with boosting pump 7, connecting pipeline between pipeline entrance 1 and cation exchanger 2 is provided with valve 1 and valve three A8, connecting pipeline between cation exchanger 2 and negative and positive mixed ion exchanger 3 is provided with valve ten A23 and valve 11 A24, be provided with A resin catcher 20 between cation exchanger 2 and valve ten A23, connecting pipeline between negative and positive mixed ion exchanger 3 and strainer 4 is provided with valve four A9 and valve 6 10, be provided with B resin catcher 21 between negative and positive mixed ion exchanger 3 and valve four A9, connecting pipeline between strainer 4 and boosting pump 7 is provided with valve 7 11, one end of A bypass 12 is connected on the connecting pipeline between valve 7 11 and boosting pump 7, and the other end is connected on the connecting pipeline between valve 6 10 and valve four A9, and A bypass 12 is provided with valve 5 13, one end of B bypass 14 is connected on the connecting pipeline between valve 1 and valve three A8, and the other end is connected on the connecting pipeline between valve 6 10 and valve four A9, and B bypass 14 is provided with valve 2 18, connecting pipeline between boosting pump 7 and pipeline outlet 5 is provided with valve 8 15, pipeline entrance 1 is communicated with by valveless bypass 16 with pipeline outlet 5.In native system, can be according to the required processing water yield, more strainer in parallel on strainer 4.
Also comprise C bypass 17, an end of C bypass 17 is connected on the connecting pipeline between valve 1 and valve 2 18, and the other end is connected on the connecting pipeline between valve 8 15 and boosting pump 7, and C bypass 17 is provided with valve 9 19.
Also comprise standby cation exchanger 33, standby negative and positive mixed ion exchanger 40 and liaison tube 25, the feed-water end of standby cation exchanger 33 is connected with the feed-water end of valve three A8 by connecting pipeline, its connecting pipeline is provided with valve three B34, the water side of standby cation exchanger 33 is connected with the feed-water end of standby negative and positive mixed ion exchanger 40 by connecting pipeline, and the water side of standby negative and positive mixed ion exchanger 40 is connected with the water side of valve four A9 by connecting pipeline; Be provided with successively C resin catcher 35, valve ten B36 and valve 11 B37 on connecting pipeline between standby cation exchanger 33 and standby negative and positive mixed ion exchanger 40, be provided with successively D resin catcher 38 and valve four B39 on the connecting pipeline of the water side of the water side of standby negative and positive mixed ion exchanger 40 and valve four A9; One end of liaison tube 25 is connected on the pipeline between valve ten A23 outlets and valve 11 A24 entrances, and the other end is connected on the pipeline between valve ten B36 outlets and valve 11 B37 entrances.
Except standby cation exchanger 33 and standby negative and positive mixed ion exchanger 40, can also be according to the required processing water yield, more cation exchanger regulating YIN and YANG mixed ion exchanger in parallel.
Be equipped with differential pressure measurement instrument A26 on the import and export pipeline of cation exchanger 2 and standby cation exchanger 33, be equipped with conductivity measuring instrument A27 and flow measurement instrument A28 on export pipeline.Be equipped with differential pressure measurement instrument B29 on the import and export pipeline of negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40, be equipped with conductivity measuring instrument B30, flow measurement instrument B31, sodium ion metrical instrument 32 on export pipeline.The two ends of the two ends of strainer 4 or valve 5 13 are connected with differential pressure measurement instrument 22.
Described cation exchanger 2 and standby cation exchanger 33 are containers that Zeo-karb is equipped with in inside; The high 800mm that is of cation exchange resin layer in cation exchanger 2 and standby cation exchanger 33.
Described negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40 are containers that anionite-exchange resin and Zeo-karb are equipped with in inside; Anionite-exchange resin in negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40 and total floor height of Zeo-karb are 800mm, and the ratio of anionite-exchange resin and Zeo-karb is 3:2.
Embodiment 2 of the present utility model: a kind of condensed water precision processing system, comprise pipeline entrance 1, pipeline outlet 5, cation exchanger 2, negative and positive mixed ion exchanger 3 and strainer 4, pipeline entrance 1, cation exchanger 2, negative and positive mixed ion exchanger 3, strainer 4 and pipeline outlet 5 are connected in series successively by connecting pipeline, connecting pipeline between strainer 4 and pipeline outlet 5 is provided with boosting pump 7, connecting pipeline between pipeline entrance 1 and cation exchanger 2 is provided with valve 1 and valve three A8, connecting pipeline between cation exchanger 2 and negative and positive mixed ion exchanger 3 is provided with valve ten A23 and valve 11 A24, be provided with A resin catcher 20 between cation exchanger 2 and valve ten A23, connecting pipeline between negative and positive mixed ion exchanger 3 and strainer 4 is provided with valve four A9 and valve 6 10, be provided with B resin catcher 21 between negative and positive mixed ion exchanger 3 and valve four A9, connecting pipeline between strainer 4 and boosting pump 7 is provided with valve 7 11, one end of A bypass 12 is connected on the connecting pipeline between valve 7 11 and boosting pump 7, and the other end is connected on the connecting pipeline between valve 6 10 and valve four A9, and A bypass 12 is provided with valve 5 13, one end of B bypass 14 is connected on the connecting pipeline between valve 1 and valve three A8, and the other end is connected on the connecting pipeline between valve 6 10 and valve four A9, and B bypass 14 is provided with valve 2 18, connecting pipeline between boosting pump 7 and pipeline outlet 5 is provided with valve 8 15, pipeline entrance 1 is communicated with by valveless bypass 16 with pipeline outlet 5.In native system, can be according to the required processing water yield, more strainer in parallel on strainer 4.
Also comprise C bypass 17, an end of C bypass 17 is connected on the connecting pipeline between valve 1 and valve 2 18, and the other end is connected on the connecting pipeline between valve 8 15 and boosting pump 7, and C bypass 17 is provided with valve 9 19.
Also comprise standby cation exchanger 33, standby negative and positive mixed ion exchanger 40 and liaison tube 25, the feed-water end of standby cation exchanger 33 is connected with the feed-water end of valve three A8 by connecting pipeline, its connecting pipeline is provided with valve three B34, the water side of standby cation exchanger 33 is connected with the feed-water end of standby negative and positive mixed ion exchanger 40 by connecting pipeline, and the water side of standby negative and positive mixed ion exchanger 40 is connected with the water side of valve four A9 by connecting pipeline; Be provided with successively C resin catcher 35, valve ten B36 and valve 11 B37 on connecting pipeline between standby cation exchanger 33 and standby negative and positive mixed ion exchanger 40, be provided with successively D resin catcher 38 and valve four B39 on the connecting pipeline of the water side of the water side of standby negative and positive mixed ion exchanger 40 and valve four A9; One end of liaison tube 25 is connected on the pipeline between valve ten A23 outlets and valve 11 A24 entrances, and the other end is connected on the pipeline between valve ten B36 outlets and valve 11 B37 entrances.
Except standby cation exchanger 33 and standby negative and positive mixed ion exchanger 40, can also be according to the required processing water yield, more cation exchanger regulating YIN and YANG mixed ion exchanger in parallel.
Be equipped with differential pressure measurement instrument A26 on the import and export pipeline of cation exchanger 2 and standby cation exchanger 33, be equipped with conductivity measuring instrument A27 and flow measurement instrument A28 on export pipeline.Be equipped with differential pressure measurement instrument B29 on the import and export pipeline of negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40, be equipped with conductivity measuring instrument B30, flow measurement instrument B31, sodium ion metrical instrument 32 on export pipeline.The two ends of the two ends of strainer 4 or valve 5 13 are connected with differential pressure measurement instrument 22.
Described cation exchanger 2 and standby cation exchanger 33 are containers that Zeo-karb is equipped with in inside; The high 1200mm that is of cation exchange resin layer in cation exchanger 2 and standby cation exchanger 33.
Described negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40 are containers that anionite-exchange resin and Zeo-karb are equipped with in inside; Anionite-exchange resin in negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40 and total floor height of Zeo-karb are 1200mm, and the ratio of anionite-exchange resin and Zeo-karb is 2:1.
Embodiment 3 of the present utility model: a kind of condensed water precision processing system, comprise pipeline entrance 1, pipeline outlet 5, cation exchanger 2, negative and positive mixed ion exchanger 3 and strainer 4, pipeline entrance 1, cation exchanger 2, negative and positive mixed ion exchanger 3, strainer 4 and pipeline outlet 5 are connected in series successively by connecting pipeline, connecting pipeline between strainer 4 and pipeline outlet 5 is provided with boosting pump 7, connecting pipeline between pipeline entrance 1 and cation exchanger 2 is provided with valve 1 and valve three A8, connecting pipeline between cation exchanger 2 and negative and positive mixed ion exchanger 3 is provided with valve ten A23 and valve 11 A24, be provided with A resin catcher 20 between cation exchanger 2 and valve ten A23, connecting pipeline between negative and positive mixed ion exchanger 3 and strainer 4 is provided with valve four A9 and valve 6 10, be provided with B resin catcher 21 between negative and positive mixed ion exchanger 3 and valve four A9, connecting pipeline between strainer 4 and boosting pump 7 is provided with valve 7 11, one end of A bypass 12 is connected on the connecting pipeline between valve 7 11 and boosting pump 7, and the other end is connected on the connecting pipeline between valve 6 10 and valve four A9, and A bypass 12 is provided with valve 5 13, one end of B bypass 14 is connected on the connecting pipeline between valve 1 and valve three A8, and the other end is connected on the connecting pipeline between valve 6 10 and valve four A9, and B bypass 14 is provided with valve 2 18, connecting pipeline between boosting pump 7 and pipeline outlet 5 is provided with valve 8 15, pipeline entrance 1 is communicated with by valveless bypass 16 with pipeline outlet 5.In native system, can be according to the required processing water yield, more strainer in parallel on strainer 4.
Also comprise C bypass 17, an end of C bypass 17 is connected on the connecting pipeline between valve 1 and valve 2 18, and the other end is connected on the connecting pipeline between valve 8 15 and boosting pump 7, and C bypass 17 is provided with valve 9 19.
Also comprise standby cation exchanger 33, standby negative and positive mixed ion exchanger 40 and liaison tube 25, the feed-water end of standby cation exchanger 33 is connected with the feed-water end of valve three A8 by connecting pipeline, its connecting pipeline is provided with valve three B34, the water side of standby cation exchanger 33 is connected with the feed-water end of standby negative and positive mixed ion exchanger 40 by connecting pipeline, and the water side of standby negative and positive mixed ion exchanger 40 is connected with the water side of valve four A9 by connecting pipeline; Be provided with successively C resin catcher 35, valve ten B36 and valve 11 B37 on connecting pipeline between standby cation exchanger 33 and standby negative and positive mixed ion exchanger 40, be provided with successively D resin catcher 38 and valve four B39 on the connecting pipeline of the water side of the water side of standby negative and positive mixed ion exchanger 40 and valve four A9; One end of liaison tube 25 is connected on the pipeline between valve ten A23 outlets and valve 11 A24 entrances, and the other end is connected on the pipeline between valve ten B36 outlets and valve 11 B37 entrances.
Except standby cation exchanger 33 and standby negative and positive mixed ion exchanger 40, can also be according to the required processing water yield, more cation exchanger regulating YIN and YANG mixed ion exchanger in parallel.
Be equipped with differential pressure measurement instrument A26 on the import and export pipeline of cation exchanger 2 and standby cation exchanger 33, be equipped with conductivity measuring instrument A27 and flow measurement instrument A28 on export pipeline.Be equipped with differential pressure measurement instrument B29 on the import and export pipeline of negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40, be equipped with conductivity measuring instrument B30, flow measurement instrument B31, sodium ion metrical instrument 32 on export pipeline.The two ends of the two ends of strainer 4 or valve 5 13 are connected with differential pressure measurement instrument 22.
Described cation exchanger 2 and standby cation exchanger 33 are containers that Zeo-karb is equipped with in inside; The high 1600mm that is of cation exchange resin layer in cation exchanger 2 and standby cation exchanger 33.
Described negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40 are containers that anionite-exchange resin and Zeo-karb are equipped with in inside; Anionite-exchange resin in negative and positive mixed ion exchanger 3 and standby negative and positive mixed ion exchanger 40 and total floor height of Zeo-karb are 1600mm, and the ratio of anionite-exchange resin and Zeo-karb is 3:1.
Principle of work of the present utility model: A, the power station unit is done the preparation that puts into operation in the following manner: Open valve 9 19, valve three A8, valve ten A23, valve 11 A24, valve four A9, valve 6 10 and valve 7 11, and startup boosting pump 7, condensed water valve three A8 that flow through successively, cation exchanger 2, A resin catcher 20, valve ten A23, valve 11 A24, negative and positive mixed ion exchanger 3, B resin catcher 21, valve four A9, valve 6 10, strainer 4, valve 7 11 and boosting pump 7, again flow to valve three A8 finally by crossing valve 9 19, so carry out inside continuously or the discontinuous cycle operation,
When B, power station unit need condensed water precision processing system to put into operation, in pending condensed water except containing ionic impurity, also contain metallic corrosion products and suspended solids, wherein metallic corrosion products be take the oxide compound of iron as main, when in pending condensed water, iron-holder is greater than 1000 μ g/L, to condensing, water purification comprises the following steps:
Step a, Open valve 1, valve 2 18, valve 6 10, valve 7 11 and valve 8 15, and start boosting pump 7, and make pending condensed water by valve 1, valve 2 18, valve 6 10, through filter 4, metallic corrosion products and suspended solids content in condensed water are reduced; Finally, by valve 7 11, boosting pump 7, valve 8 15 flows out, and finally makes iron-holder in metallic corrosion products be reduced to and is less than 1000 μ g/L;
In step a, the holding filth capacity of the differential pressure measurement instrument 22 monitoring front strainers 4 that connect by strainer 4 two ends, when the two ends differential pressure arrives set(ting)value, that is: when holding filth capacity reaches capacity, Open valve 5 13, valve-off 6 10 and valve 7 11, carry out the backwash of strainer 4 or the replacing of filtering element, the valve 5 13 that now condensed water is flowed through and opened by valve 2 18, flow out through boosting pump 7 and valve 8 15.
Step b, if in condensed water, the metallic corrosion products iron level is less than 1000 μ g/L, Open valve 1, valve three A8, valve ten A23, valve 11 A24, valve four A9, valve 6 10, valve 7 11 and valve 8 15, and unlatching boosting pump 7, condensed water by valve 1 and valve three A8 the cation exchanger through Zeo-karb is housed 2 remove contained positively charged ion and the suspended solidss such as ammonia in condensed water, corrosion product, then through A resin catcher 20, by valve ten A23, valve 11 A24, negative and positive mixed ion exchanger 3 through anion-cation exchange resin is housed is removed ionic impurity, again through B resin catcher 2, by valve four A9, valve 6 10, process filter 4 removal systems are because of the issuable granulometric impurity of long-time running, finally by valve 7 11, boosting pump 7, valve 8 15 flows out.
In step b, the holding filth capacity of the differential pressure measurement instrument 22 monitoring front strainers 4 that connect by strainer 4 two ends, when the two ends differential pressure arrives set(ting)value, that is: when holding filth capacity reaches capacity, Open valve 5 13, valve-off 6 10 and valve 7 11, carry out the backwash of strainer 4 or the replacing of filtering element, the valve 5 13 that now condensed water is flowed through and opened by valve four A9, flow out through boosting pump 7 and valve 8 15.
In step b, import and export the Inlet and outlet water differential pressure of the differential pressure measurement instrument A26 monitoring cation exchanger 2 connected on pipeline by cation exchanger 2; Monitor the specific conductivity of cation exchanger 2 by the conductivity measuring instrument A27 connected on cation exchanger 2 export pipelines; By the flow measurement instrument A28 connected on cation exchanger 2 export pipelines, the accumulation water yield processed of monitoring cation exchanger 2; When above-mentioned any one value surpasses set(ting)value, mean that ion exchange resin lost efficacy, the ion exchange resin of inefficacy need to be transported out, carry out external regeneration, concrete steps are Open valve three B34, valve ten B36, and the standby cation exchanger 33 dropped in advance keeps operation, then valve-off three A8 and valve ten A23, the ion exchange resin lost efficacy in cation exchanger 2 is transported out, carry out external regeneration.
In step b, import and export the import and export differential pressure of differential pressure measurement instrument B29 monitoring negative and positive mixed ion exchanger 3 on pipeline by negative and positive mixed ion exchanger 3; Monitor the specific conductivity of negative and positive mixed ion exchanger 3 by the conductivity measuring instrument B30 connected on negative and positive mixed ion exchanger 3 export pipelines; Monitor the accumulation water yield processed of negative and positive mixed ion exchanger 3 by the flow measurement instrument B31 connected on negative and positive mixed ion exchanger 3 export pipelines; Monitor the Na ion concentration of negative and positive mixed ion exchangers 3 by the sodium ion metrical instrument 32 connected on negative and positive mixed ion exchanger 3 export pipelines, when above-mentioned any one value surpasses the setting limit value, mean that negative and positive mixed ion exchanger intermediate ion exchange resin lost efficacy, Open valve 11 B37 and valve four B39, drop into standby negative and positive mixed ion exchanger 40, the keeping system operation, then valve-off ten A24 and valve four A9, inactive ion exchange resin in negative and positive mixed ion exchanger 3 is transported out, carry out external regeneration.

Claims (8)

1. a condensed water precision processing system, comprise pipeline entrance (1), pipeline outlet (5), cation exchanger (2), negative and positive mixed ion exchanger (3) and strainer (4), it is characterized in that: pipeline entrance (1), cation exchanger (2), negative and positive mixed ion exchanger (3), strainer (4) and pipeline outlet (5) are connected in series successively by connecting pipeline, connecting pipeline between strainer (4) and pipeline outlet (5) is provided with boosting pump (7), connecting pipeline between pipeline entrance (1) and cation exchanger (2) is provided with valve one (6) and valve three A(8), connecting pipeline between cation exchanger (2) and negative and positive mixed ion exchanger (3) is provided with valve ten A(23) and valve 11 A(24), cation exchanger (2) and valve ten A(23) between be provided with A resin catcher (20), connecting pipeline between negative and positive mixed ion exchanger (3) and strainer (4) is provided with valve four A(9) and valve six (10), negative and positive mixed ion exchanger (3) and valve four A(9) between be provided with B resin catcher (21), connecting pipeline between strainer (4) and boosting pump (7) is provided with valve seven (11), one end of A bypass (12) is connected on the connecting pipeline between valve seven (11) and boosting pump (7), and the other end is connected to valve six (10) and valve four A(9) between connecting pipeline on, A bypass (12) is provided with valve five (13), one end of B bypass (14) is connected to valve one (6) and valve three A(8) between connecting pipeline on, the other end is connected to valve six (10) and valve four A(9) between connecting pipeline on, B bypass (14) is provided with valve two (18), connecting pipeline between boosting pump (7) and pipeline outlet (5) is provided with valve eight (15), pipeline entrance (1) is communicated with by valveless bypass (16) with pipeline outlet (5).
2. condensed water precision processing system according to claim 1, it is characterized in that: also comprise C bypass (17), one end of C bypass (17) is connected on the connecting pipeline between valve one (6) and valve two (18), the other end is connected on the connecting pipeline between valve eight (15) and boosting pump (7), and C bypass (17) is provided with valve nine (19).
3. condensed water precision processing system according to claim 1 and 2, it is characterized in that: also comprise standby cation exchanger (33), standby negative and positive mixed ion exchanger (40) and liaison tube (25), the feed-water end of standby cation exchanger (33) is by connecting pipeline and valve three A(8) feed-water end be connected, its connecting pipeline is provided with valve three B(34), the water side of standby cation exchanger (33) is connected with the feed-water end of standby negative and positive mixed ion exchanger (40) by connecting pipeline, the water side of standby negative and positive mixed ion exchanger (40) is by connecting pipeline and valve four A(9) water side be connected, be provided with successively C resin catcher (35), valve ten B(36 on connecting pipeline between standby cation exchanger (33) and standby negative and positive mixed ion exchanger (40)) and valve 11 B(37), the water side of standby negative and positive mixed ion exchanger (40) and valve four A(9) the connecting pipeline of water side on be provided with successively D resin catcher (38) and valve four B(39), one end of liaison tube (25) is connected to valve ten A(23) outlet and valve 11 A(24) on pipeline between entrance, the other end is connected to valve ten B(36) export and valve 11 B(37) on pipeline between entrance.
4. condensed water precision processing system according to claim 3, it is characterized in that: on the import and export pipeline of cation exchanger (2) and standby cation exchanger (33), be equipped with differential pressure measurement instrument A(26), be equipped with conductivity measuring instrument A(27 on export pipeline) and flow measurement instrument A(28).
5. condensed water precision processing system according to claim 4, it is characterized in that: on the import and export pipeline of negative and positive mixed ion exchanger (3) and standby negative and positive mixed ion exchanger (40), be equipped with differential pressure measurement instrument B(29), be equipped with conductivity measuring instrument B(30 on export pipeline), flow measurement instrument B(31), sodium ion metrical instrument (32).
6. condensed water precision processing system according to claim 1, it is characterized in that: the two ends of the two ends of strainer (4) or valve five (13) are connected with differential pressure measurement instrument (22).
7. condensed water precision processing system according to claim 5, it is characterized in that: described cation exchanger (2) and standby cation exchanger (33) they are the containers that Zeo-karb is equipped with in inside; High 800mm~the 1600mm that is of cation exchange resin layer in cation exchanger (2) and standby cation exchanger (33).
8. condensed water precision processing system according to claim 1, it is characterized in that: described negative and positive mixed ion exchanger (3) and standby negative and positive mixed ion exchanger (40) they are the containers that anionite-exchange resin and Zeo-karb are equipped with in inside; Anionite-exchange resin in negative and positive mixed ion exchanger (3) and standby negative and positive mixed ion exchanger (40) and total floor height of Zeo-karb are 800mm~1600mm, and the ratio of anionite-exchange resin and Zeo-karb is 3:2 or 3:1 or 2:1.
CN 201320336626 2013-06-13 2013-06-13 Condensate polishing system Withdrawn - After Issue CN203346203U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320336626 CN203346203U (en) 2013-06-13 2013-06-13 Condensate polishing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320336626 CN203346203U (en) 2013-06-13 2013-06-13 Condensate polishing system

Publications (1)

Publication Number Publication Date
CN203346203U true CN203346203U (en) 2013-12-18

Family

ID=49746126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320336626 Withdrawn - After Issue CN203346203U (en) 2013-06-13 2013-06-13 Condensate polishing system

Country Status (1)

Country Link
CN (1) CN203346203U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103265131A (en) * 2013-06-13 2013-08-28 中国华电工程(集团)有限公司 System and method for fine treatment of condensation water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103265131A (en) * 2013-06-13 2013-08-28 中国华电工程(集团)有限公司 System and method for fine treatment of condensation water

Similar Documents

Publication Publication Date Title
CN103265131B (en) System and method for fine treatment of condensation water
CN203922906U (en) The two micro-alkali systems of cold water electrodeionization of a kind of generator
CN102583841A (en) Diffusion and electrodialysis integrated treatment method and device for acid waste liquid containing metallic ion
CN102161542B (en) Method and device for precisely processing nuclear power station condensation water
CN203346203U (en) Condensate polishing system
CN202465427U (en) Device for performing diffusion dialysis and electrodialysis integrated treatment on acid waste liquid containing metal ions
CN203144231U (en) Water treatment device for cooling water tower
CN104058543A (en) Water treatment device for water cooling tower
CN204204438U (en) A kind of nuclear power plant radioactive wastewater ion-exchange treatment system
CN109301373A (en) A kind of device and method of lead-acid accumulator electrolyte cycling and reutilization
CN103794259B (en) Method of treating strontium and cesium in radioactive wastewater by small-sized low-pressure reverse osmosis system
CN107068223B (en) A kind of CPR1000 nuclear power plant boron recovery system reducing dosage rate
CN202860271U (en) Efficient oil filter
CN2789235Y (en) Deironing system for coagulated water
CN101857323A (en) Method and device for power station condensed water fine treatment
CN101947398B (en) Precision filtering device and method for finely processing condensation water from nuclear power station
CN209333534U (en) A kind of ultra-low-pressure reverse osmosis system
CN104157319B (en) Nuclear reactor primary coolant circuit coolant water quality cyclone purifying method and device
CN204125245U (en) The de-salted water preparation system of reuse water of condensation and heat thereof
CN104032054B (en) Blast furnace bottom filter method using exhaust heat of slag flushing water utilizes combined supply system
US4699755A (en) Ultrafiltration circuit for the primary cooling fluid of a pressurized-water nuclear reactor
CN204577118U (en) The removal device of colloidal attitude corrosion product in a kind of nuclear power plant technique waste water
CN205145993U (en) A equipment for traditional chinese medicine purification
CN204607646U (en) Efficient Na-ion exchanger
CN202116392U (en) Precision processing device of condensation water of nuclear power station

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20131218

Effective date of abandoning: 20150225

RGAV Abandon patent right to avoid regrant