CN202208663U - Seawater desalination treatment equipment - Google Patents

Seawater desalination treatment equipment Download PDF

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Publication number
CN202208663U
CN202208663U CN201020530353XU CN201020530353U CN202208663U CN 202208663 U CN202208663 U CN 202208663U CN 201020530353X U CN201020530353X U CN 201020530353XU CN 201020530353 U CN201020530353 U CN 201020530353U CN 202208663 U CN202208663 U CN 202208663U
Authority
CN
China
Prior art keywords
reverse osmosis
water
ultrafiltration
seawater
energy
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 - Lifetime
Application number
CN201020530353XU
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Chinese (zh)
Inventor
徐斌
陈向娜
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.)
BEIJING INNOGREEN TECHNOLOGY Co Ltd
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BEIJING INNOGREEN TECHNOLOGY Co Ltd
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Priority to CN201020530353XU priority Critical patent/CN202208663U/en
Application granted granted Critical
Publication of CN202208663U publication Critical patent/CN202208663U/en
Anticipated expiration legal-status Critical
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    • 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 belongs to the seawater desalination field and particularly relates to seawater desalination treatment equipment taking the inverse osmosis technology as the core. Aiming at the characteristics of the water quality of high turbidity and high salinity, the seawater desalination treatment equipment adopts a seawater desalination treatment technology of disc-type filter + ultrafiltration +_reverse osmosis desalination + energy recovery system, wherein a disc-type filter and an ultrafiltration system serve as a pretreating part of the reverse osmosis desalination system to effectively reduce the turbidity of the seawater; water produced in the pretreatment can meet the requirement of the inlet water of a reverse osmosis desalination system so as to ensure that the reverse osmosis desalination system runs stably for a long term; and energy in thick water generated in the operation of the reverse osmosis desalination system can be recovered by an energy recovery device to be changed to the energy of part of inlet water of the reverse osmosis desalination system, thereby realizing energy recovery and reducing the running cost of the seawater desalination.

Description

The sea water desaltination treatment facility
Technical field
The utility model belongs to the sea water desaltination field, particularly is that treatment unit is handled in the sea water desaltination of core with the reverse osmosis technology.
Background technology
In recent years, because the developing rapidly of reverse osmosis technology, the reduction of film cost, equipment volume is little, and attended operation is simple etc., and advantage makes reverse osmosis method in the sea water desaltination Application for Field more and more widely.
Because the water quality characteristic of seawater " high turbidity, supersalinity " is when using the reverse osmosis method processing; Carry out pre-treatment, guarantee the influent turbidity of r-o-, thus the stable and safety of ability assurance equipment operation; And the work-ing life of equipment; For reverse osmosis unit, supersalinity just needs high operating pressure simultaneously, and this just means high energy consumption.How to guarantee that the life-span of reverse osmosis membrane and the energy consumption of reduction reverse osmosis equipment are the developing direction of present reverse osmosis method desalting plant.
Summary of the invention
The purpose of the utility model is to solve the problem that sea water desaltination pre-treatment instability and high energy consumption are given the high running cost that the reverse osmosis method desalting plant brought.
The technical scheme that the utility model adopted adopts the sea water desaltination treatment facility of disc filter+ultrafiltration+reverse osmosis desalination+energy-recuperation system; The preprocessing part of sea water distiling plant is formed in disc filter and ultrafiltration; Energy-recuperation system is transformed into recovery system in the water inlet of system with system's mechanical energy that has in service, thereby reduces the whole energy consumption of system.
Disc filter can be selected different filtering accuracies for use according to the water quality of seawater; Seawater through disc filter with the suspended substance removal in the water after; Get into ultrafiltration system, ultrafiltration can be removed undissolved material fully, makes the influent turbidity<0.2NTU of r-o-; Not only can reduce the Pollution risk of reverse osmosis membrane PM for particulate matter, can also make the design water of r-o-can suitably increase about 10~20% with amount.According to seawater quality, when needed, can also add flocculation agent and sterilant etc., with the treatment effect of auxiliary disc filter and ultrafiltration.
The setting of energy recycle device; Mainly be still to have very high pressure according to the dense water that system operation back is produced; This part pressure is converted into the intake pressure of sea water desaltination through energy recycle device,, thereby the energy consumption of sea water desaltination is reduced then with dense water low pressure discharging.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the schema of the utility model.
Among the figure: 1. seawater booster pump, 2. disc filter, 3. ultrafiltration, 4. intermediate water tank; 5. backwashing pump, 6. in the middle of water pump, 7. Scale inhibitors chemicals dosing plant, 8. security personnel's strainer; 9. high pressure plunger pump and motor, 10. energy recycle device, 11. reverse osmosis modules, 12. produce water tanks.
Embodiment
In Fig. 1, seawater is through getting into disc filter 2 after topping-up pump 1 supercharging, and the water after disc filter filters gets into ultrafiltration system 3; Ultrafiltration is produced water and is got into intermediate water tank 4, and the water of intermediate water tank 4 is through middle water pump 6 superchargings, again through behind the Scale inhibitors chemicals dosing plant 7 adding Scale inhibitorss; Through security personnel's strainer 8; Get into high pressure plunger pump 9 and carry out supercharging, get into reverse osmosis module 11 then, last reverse osmosis produced water is collected to get into and is produced water tank 12.
Disc filter 2 all provides (and product water of ultrafiltration), the two shared backwashing pump by the water in the intermediate water tank 6 with the backwash water of the system of ultrafiltration 3.
Through energy recycle device 10 pressure in the dense water of r-o-is changed into transmission ofenergy and give feed water by reverse osmosis; Make its supercharging; Pass through the adjustment of flow and pressure then; With compile through the feed water by reverse osmosis after the rampump supercharging, get into reverse osmosis system 11 together and carry out desalting treatment, thereby practice thrift the operation energy consumption of r-o-.

Claims (3)

1. one kind is the sea water desaltination treatment facility of its processing core with the reverse osmosis method; Equipment is made up of disc filter, ultrafiltration, r-o-and four parts of energy-recuperation system; Seawater through disc filter with the suspended substance removal in the water after; Get into ultrafiltration system, ultrafiltration can be removed undissolved material fully, and the ultrafiltration water outlet gets into reverse osmosis system and carries out desalting treatment.
2. sea water desaltination treatment facility according to claim 1 is characterized in that: disc filter and ultrafiltration are the pre-treatment of r-o-, be successively set on r-o-before, the two can use a backwashing pump altogether, and takes pipeline to reflux.
3. sea water desaltination treatment facility according to claim 1; It is characterized in that: an energy recycle device is set in reverse osmosis desalinization system; With the energy recovery in the dense water that produces in the r-o-operational process, be transformed in the part water inlet of r-o-, and with dense water low pressure discharging.
CN201020530353XU 2010-09-09 2010-09-09 Seawater desalination treatment equipment Expired - Lifetime CN202208663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020530353XU CN202208663U (en) 2010-09-09 2010-09-09 Seawater desalination treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020530353XU CN202208663U (en) 2010-09-09 2010-09-09 Seawater desalination treatment equipment

Publications (1)

Publication Number Publication Date
CN202208663U true CN202208663U (en) 2012-05-02

Family

ID=45988215

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201020530353XU Expired - Lifetime CN202208663U (en) 2010-09-09 2010-09-09 Seawater desalination treatment equipment

Country Status (1)

Country Link
CN (1) CN202208663U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102659272A (en) * 2012-05-24 2012-09-12 北京赛诺水务科技有限公司 Novel membrane-process sea water desalination and fresh water and salt preparation system and technique
CN102757138A (en) * 2012-06-27 2012-10-31 温州华力风能开发有限公司 Seawater desalination treatment method adopting combination of wind energy power generation and salt chemical industry
CN105152390A (en) * 2015-07-31 2015-12-16 潍坊友容实业有限公司 Pretreatment device for seawater desalination

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102659272A (en) * 2012-05-24 2012-09-12 北京赛诺水务科技有限公司 Novel membrane-process sea water desalination and fresh water and salt preparation system and technique
CN102757138A (en) * 2012-06-27 2012-10-31 温州华力风能开发有限公司 Seawater desalination treatment method adopting combination of wind energy power generation and salt chemical industry
CN105152390A (en) * 2015-07-31 2015-12-16 潍坊友容实业有限公司 Pretreatment device for seawater desalination

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Addressee: BEIJING INNOGREEN TECHNOLOGY CO., LTD.

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CX01 Expiry of patent term

Granted publication date: 20120502

CX01 Expiry of patent term