CN203007046U - Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device - Google Patents

Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device Download PDF

Info

Publication number
CN203007046U
CN203007046U CN2012206212931U CN201220621293U CN203007046U CN 203007046 U CN203007046 U CN 203007046U CN 2012206212931 U CN2012206212931 U CN 2012206212931U CN 201220621293 U CN201220621293 U CN 201220621293U CN 203007046 U CN203007046 U CN 203007046U
Authority
CN
China
Prior art keywords
reverse osmosis
dense water
water
concentrated water
filter
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.)
Expired - Fee Related
Application number
CN2012206212931U
Other languages
Chinese (zh)
Inventor
闫红梅
白玮
白刚
王东海
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.)
China Nuclear Power Engineering Co Ltd
Original Assignee
China Nuclear Power Engineering 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 China Nuclear Power Engineering Co Ltd filed Critical China Nuclear Power Engineering Co Ltd
Priority to CN2012206212931U priority Critical patent/CN203007046U/en
Application granted granted Critical
Publication of CN203007046U publication Critical patent/CN203007046U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/131Reverse-osmosis

Abstract

The utility model discloses a nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device which comprises a reverse-osmosis desalinizing device (3) and a concentrated water recovery reverse-osmosis filter (8), wherein a reverse-osmosis concentrated water tank (4), a concentrated water lift pump (5), a concentrated water recovery security filter (6) and a concentrated water recovery high-pressure pump (9) are sequentially arranged between the reverse-osmosis desalinizing device (3) and the concentrated water recovery reverse-osmosis filter (8), the reverse-osmosis desalinizing device (3) and the concentrated water recovery reverse-osmosis filter (8) are respectively connected with the concentrated water recovery high-pressure pump (9). Through arranging a double-filter-material filter (10) between the concentrated water lift pump (5) and the concentrated water recovery security filter (6), the reverse-osmosis pre-desalinized concentrated water recovery treatment device is stable in running, high in system security and good in impact resistance. Through the application of the reverse-osmosis pre-desalinized concentrated water recovery treatment device, the recovery rate of a whole reverse-osmosis system can reach 87.5-90%, thereby improving the utilization rate of water.

Description

The dense water recycling and processing device of a kind of nuclear power plant pre-desalination of reverse osmosis
Technical field
The utility model relates to a kind of dense water recycling and processing device of the pre-desalination of reverse osmosis of using in the de-mineralized water processing of nuclear power plant, application by this device, can increase safety in utilization and the shock-resistance of system, improve the rate of recovery of reverse osmosis system, thereby improve the utilization ratio of DW system demineralized water system water, reach water-saving purpose.
Background technology
The reverse osmosis technology that pre-desalting plant is produced as de-mineralized water in nuclear power plant is widely used, is about 75% but reverse osmosis technology is applied to the rate of recovery of fresh water, therefore, approximately has 25% water to be discharged as dense water, and the utilization ratio of water is lower.
In the situation that Freshwater resources lack day by day, improve the utilization ratio of water, fresh-water-saving resource as much as possible, taking full advantage of renewable energy source is the inexorable trend of current development.
The technology that improves at present the rate of recovery of reverse osmosis system water mainly adopts the mode of three sections reverse osmosiss of one-level or one section dense water recovery of two sections reverse osmosis+secondarys of one-level.The mode of three sections reverse osmosiss of one-level, need all be cut off and carry out matting in case go wrong due to the operation less stable, therefore can affect to produce water water quality, the water yield.The mode safety in operation that one section dense water of two sections reverse osmosis+secondarys of one-level reclaims is better, and shock-resistance is better, when reverse osmosis concentrated water recovery operation is bad, can turn off this part, carries out separately matting.But because dense water easily pollutes reverse osmosis membrane, matting is frequent, and system's safety in operation, shock-resistance are relatively poor.
The utility model content
The purpose of this utility model is the dense water that pre-desalination produces for first-stage reverse osmosis in fresh water treatment, provide the pre-desalination of a kind of reverse osmosis dense water recycling and processing device, adopted Double-filter material filter to carry out pre-treatment to the dense water that enters dense water reverse osmosis unit in this device, can increase safety in utilization and the shock-resistance of system, extend the work-ing life of reverse-osmosis membrane element, and make reverse osmosis concentrated water after processing reach the water inlet requirement of follow-up desalination plant, in the rate of recovery that improves whole reverse osmosis system water, the safety in operation of the system of increase.
The utility model is to solve the problems of the technologies described above the technical scheme that adopts as described below:
The dense water recycling and processing device of a kind of nuclear power plant pre-desalination of reverse osmosis, comprise that Reverse Osmosis Desalination Process Equipment and dense water reclaim reverse osmosis unit, between Reverse Osmosis Desalination Process Equipment and dense water recovery reverse osmosis unit, reverse osmosis concentrated water tank, dense water lift pump, dense water recovery cartridge filter and dense water are set sequentially and reclaim high-pressure pump, Reverse Osmosis Desalination Process Equipment reclaims reverse osmosis unit with dense water and is connected with reverse osmosis produced water tank respectively, it is characterized in that: between dense water lift pump and dense water recovery cartridge filter, Double-filter material filter is set.
Further, described Reverse Osmosis Desalination Process Equipment is connected with cartridge filter by high-pressure pump.
Further, water-in and water outlet are set on described Double-filter material filter, reverse osmosis concentrated water tank is connected with the water-in of Double-filter material filter by dense water lift pump, and dense water reclaims cartridge filter and is connected with the water outlet of Double-filter material filter by inlet channel.
Further again, described Reverse Osmosis Desalination Process Equipment is two sections Reverse Osmosis Desalination Process Equipment of one-level, and it is that one section dense water of secondary reclaims reverse osmosis unit that described dense water reclaims reverse osmosis unit.
The beneficial effects of the utility model are as follows: by set up Double-filter material filter after dense water lift pump, make that the dense water recycling and processing device of the pre-desalination of reverse osmosis is stable, security of system is high, shock-resistance good.The rate of recovery of dense water recycling and processing device is 50%-60%, and the rate of recovery of first-stage reverse osmosis system is 75%, and by the application of the dense water recycling and processing device of the pre-desalination of reverse osmosis, the rate of recovery of whole reverse osmosis system can reach 87.5%-90%, has improved the utilization ratio of water.
Description of drawings
Fig. 1 is one section dense water reclamation system schematic diagram of two sections reverse osmosis+secondarys of one-level;
Fig. 2 is two sections reverse osmosis+Double-filter material filters of one-level+dense water reclamation system schematic diagram of one section of secondary.
Embodiment
For further illustrating constitutional features of the present utility model, below in conjunction with drawings and Examples, the utility model is described in detail.
the dense water recycling and processing device of a kind of nuclear power plant pre-desalination of reverse osmosis, as shown in Figure 2, comprise that Reverse Osmosis Desalination Process Equipment 3 and dense water reclaim reverse osmosis unit 8, Reverse Osmosis Desalination Process Equipment 3 is connected with cartridge filter 1 by high-pressure pump 2, between Reverse Osmosis Desalination Process Equipment 3 and dense water recovery reverse osmosis unit 8, reverse osmosis concentrated water tank 4 is set sequentially, dense water lift pump 5, dense water reclaims cartridge filter 6 and dense water reclaims high-pressure pump 7, Reverse Osmosis Desalination Process Equipment 3 reclaims reverse osmosis unit 8 with dense water and is connected with reverse osmosis produced water tank 9 respectively, between dense water lift pump 5 and dense water recovery cartridge filter 6, Double-filter material filter 10 is set.Water-in and water outlet are set on Double-filter material filter 10, and reverse osmosis concentrated water tank 4 is connected with the water-in of Double-filter material filter 10 by dense water lift pump 5, and dense water reclaims cartridge filter 6 and is connected by the water outlet of inlet channel with Double-filter material filter 10.
Reverse Osmosis Desalination Process Equipment 3 of the present utility model is two sections Reverse Osmosis Desalination Process Equipment of one-level, and it is that one section dense water of secondary reclaims reverse osmosis unit that dense water reclaims reverse osmosis unit 8.
Former water just reaches requirement through a reverse osmosis, this reverse osmosis is called first-stage reverse osmosis, as the water inlet of next stage reverse osmosis, follow-up reverse osmosis is referred to as two-pass reverse osmosis with the product water of first-stage reverse osmosis device or dense water (be generally product water, the utility model is dense water).
Membrane module more than two or two is connected in parallel, and water inlet, product water, dense water are the single hop system by main pipe rail difference system in parallel.With the water inlet of the dense water of one section as two sections, two sections are produced water and one section system that product water is in parallel, are two sections systems.
So-called " two sections of one-levels " namely arranges two sections systems in first-stage reverse osmosis; " one section of secondary ", namely two-stage reverse osmosis system is the single hop system.
The internal structure of Double-filter material filter 10 of the present utility model is known technologies.
In one embodiment, the dense water recycling and processing device of the nuclear power plant of the present utility model pre-desalination of reverse osmosis, as shown in Figure 2, comprise that reverse osmosis concentrated water tank 4, dense water lift pump 5, dense water reclaim cartridge filter 6, dense water reclaims high-pressure pump 7 and dense water reclaims reverse osmosis unit 8.Reverse Osmosis Desalination Process Equipment 3 is connected with cartridge filter 1 by high-pressure pump 2, between dense water lift pump 5 and dense water recovery cartridge filter 6, Double-filter material filter 10 is set, Double-filter material filter 10 is for the treatment of the pollutent in reverse osmosis concentrated water, colloid etc., for reclaiming reverse-osmosis membrane element, follow-up dense water provides good operational conditions, can improve safety in operation and the shock-resistance of whole reverse osmosis system, extend the work-ing life of reverse-osmosis membrane element, simultaneously can improve system recoveries rate, water saving.
In operational process, the dense water that the pre-desalting plant of two sections reverse osmosiss of one-level produces first is recycled to reverse osmosis concentrated water tank 4, enter Double-filter material filter 10 and carry out filtration treatment after dense water lift pump 5 promotes, produce water after dense water reclaims cartridge filter 6 secondary filters, reclaim high-pressure pump 7 by dense water and enter one section dense water of secondary and reclaim reverse osmosis unit 8 and process, produce water and enter reverse osmosis produced water tank 9 and first-stage reverse osmosis and produce the water source of processing as follow-up desalination together with water.
The utility model is by setting up Double-filter material filter after dense water lift pump, make that the dense water recycling and processing device of the pre-desalination of reverse osmosis is stable, security of system is high, shock-resistance good.The rate of recovery of dense water recycling and processing device is 50%-60%, and the rate of recovery of first-stage reverse osmosis system is 75%, and by the application of the dense water recycling and processing device of the pre-desalination of reverse osmosis, the rate of recovery of whole reverse osmosis system can reach 87.5%-90%, has improved the utilization ratio of water.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present utility model, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion all drop in protection scope of the present invention.It will be understood by those skilled in the art that top specific descriptions just in order to explain the purpose of this utility model, is not for restriction the utility model.Protection domain of the present utility model is limited by claim and equivalent thereof.

Claims (4)

1. dense water recycling and processing device of the pre-desalination of nuclear power plant's reverse osmosis, comprise that Reverse Osmosis Desalination Process Equipment (3) and dense water reclaim reverse osmosis unit (8), between Reverse Osmosis Desalination Process Equipment (3) and dense water recovery reverse osmosis unit (8), reverse osmosis concentrated water tank (4) is set sequentially, dense water lift pump (5), dense water reclaims cartridge filter (6) and dense water reclaims high-pressure pump (7), Reverse Osmosis Desalination Process Equipment (3) reclaims reverse osmosis unit (8) with dense water and is connected with reverse osmosis produced water tank (9) respectively, it is characterized in that: between dense water lift pump (5) and dense water recovery cartridge filter (6), Double-filter material filter (10) is set.
2. the dense water recycling and processing device of the pre-desalination of nuclear power plant as claimed in claim 1 reverse osmosis, it is characterized in that: described Reverse Osmosis Desalination Process Equipment (3) is connected with cartridge filter (1) by high-pressure pump (2).
3. the dense water recycling and processing device of the pre-desalination of nuclear power plant as claimed in claim 2 reverse osmosis, it is characterized in that: described Double-filter material filter arranges water-in and water outlet on (10), reverse osmosis concentrated water tank (4) is connected by the water-in of dense water lift pump (5) with Double-filter material filter (10), and dense water reclaims cartridge filter (6) and is connected by the water outlet of inlet channel with Double-filter material filter (10).
4. the dense water recycling and processing device of the pre-desalination of nuclear power plant as claimed in claim 3 reverse osmosis, it is characterized in that: described Reverse Osmosis Desalination Process Equipment (3) is two sections Reverse Osmosis Desalination Process Equipment of one-level, and it is that one section dense water of secondary reclaims reverse osmosis unit that described dense water reclaims reverse osmosis unit (8).
CN2012206212931U 2012-11-21 2012-11-21 Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device Expired - Fee Related CN203007046U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012206212931U CN203007046U (en) 2012-11-21 2012-11-21 Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012206212931U CN203007046U (en) 2012-11-21 2012-11-21 Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device

Publications (1)

Publication Number Publication Date
CN203007046U true CN203007046U (en) 2013-06-19

Family

ID=48598659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012206212931U Expired - Fee Related CN203007046U (en) 2012-11-21 2012-11-21 Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device

Country Status (1)

Country Link
CN (1) CN203007046U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105244068A (en) * 2015-08-31 2016-01-13 中国核电工程有限公司 Device and method for treating high-salt content radioactive waste liquid
CN113648833A (en) * 2021-09-15 2021-11-16 上海城市水资源开发利用国家工程中心有限公司 Novel low-pressure high-recovery-rate nanofiltration system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105244068A (en) * 2015-08-31 2016-01-13 中国核电工程有限公司 Device and method for treating high-salt content radioactive waste liquid
CN113648833A (en) * 2021-09-15 2021-11-16 上海城市水资源开发利用国家工程中心有限公司 Novel low-pressure high-recovery-rate nanofiltration system and method

Similar Documents

Publication Publication Date Title
CN204310876U (en) A kind of reverse osmosis system and water-purifying machine
CN203007046U (en) Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device
CN203007047U (en) Nuclear plant reverse-osmosis pre-desalinized concentrated water recovery treatment device with bypass
CN102765832B (en) System for recycling nickel from electroplating wastewater
CN202876637U (en) Double-tower ammonia washing system for membrane separation treatment
CN205204934U (en) Multistage formula reverse osmosis seawater desalts system
CN209922968U (en) Novel reverse osmosis system
CN102507245B (en) Test device for testing energy recovery device
CN202227036U (en) Recycling device for weaving water
CN203602414U (en) System for recovering silvering wastewater and silver
CN207552029U (en) It is a kind of to be suitable for bitter and the recoverable purifier of sea water desalination pressure simultaneously
CN204039149U (en) The device that a kind of reverse osmosis concentrated water is recycled
CN202717637U (en) Primary water storage circulating system of purified water preparation workshop
CN201932962U (en) Metal wastewater treatment device
CN205295026U (en) Desalinized water energy saving and emission reduction system
CN203529981U (en) Concentrated water recovery energy-saving device for hormone production process
CN204121983U (en) A kind of dense apparatus for recovering
CN204918213U (en) Station tail water purification treatment system more directly drinks water in district
CN103739114A (en) Boiler water treatment system
CN204675928U (en) A kind of ultra-pure-water treatment system
CN204509062U (en) Heavy crude heat extraction Sewage advanced treatment structure
CN202717647U (en) Recovering treatment system of copper and chromium in electroplating wastewater
CN202778280U (en) Two-segment-arrayed reverse osmosis system
CN204281492U (en) A kind of single-stage reverse osmosis equipment waste water reclaiming device system
CN204550228U (en) A kind of high utilization rate water treating equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130619

Termination date: 20201121