CN114212928A - Multifunctional reverse osmosis seawater desalination device and operation method - Google Patents

Multifunctional reverse osmosis seawater desalination device and operation method Download PDF

Info

Publication number
CN114212928A
CN114212928A CN202210008302.8A CN202210008302A CN114212928A CN 114212928 A CN114212928 A CN 114212928A CN 202210008302 A CN202210008302 A CN 202210008302A CN 114212928 A CN114212928 A CN 114212928A
Authority
CN
China
Prior art keywords
water outlet
reverse osmosis
ball valve
communicated
ultrafiltration membrane
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.)
Pending
Application number
CN202210008302.8A
Other languages
Chinese (zh)
Inventor
王贝
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.)
Taizhou Heeyuan Purification Equipment Technology Co ltd
Original Assignee
Taizhou Heeyuan Purification Equipment Technology 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 Taizhou Heeyuan Purification Equipment Technology Co ltd filed Critical Taizhou Heeyuan Purification Equipment Technology Co ltd
Priority to CN202210008302.8A priority Critical patent/CN114212928A/en
Publication of CN114212928A publication Critical patent/CN114212928A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325—Irradiation devices or lamp constructions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/005—Valves
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/06—Pressure conditions
    • C02F2301/066—Overpressure, high pressure
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Abstract

The invention discloses a multifunctional reverse osmosis seawater desalination device and an operation method thereof, wherein the device comprises an electric control box and a desalination mechanism, the desalination mechanism is fixedly connected with the inner wall of the electric control box, and the desalination mechanism comprises a low-pressure pump, an ultrafiltration membrane component, a high-pressure pump, a reverse osmosis membrane component and an ultraviolet sterilizer; the method comprises the following steps: step 1: leading seawater into an ultrafiltration membrane component; step 2: leading out concentrated water through an ultrafiltration concentrated water outlet; and step 3: then the concentrated water in the reverse osmosis membrane module is led out from a concentrated water outlet; and 4, step 4: and finally, the fresh water after the ultraviolet sterilizer is led out through a fresh water outlet. According to the invention, through the arrangement of the electric control box, the low-pressure pump, the ultrafiltration membrane component, the high-pressure pump, the reverse osmosis membrane component, the ultraviolet sterilizer and other structural components, the reverse osmosis seawater desalination device has the functions of ultrafiltration forward washing, ultrafiltration backwashing and the like, so that the application range of the reverse osmosis seawater desalination device is expanded.

Description

Multifunctional reverse osmosis seawater desalination device and operation method
Technical Field
The invention relates to the technical field of seawater desalination equipment, in particular to a multifunctional reverse osmosis seawater desalination device and an operation method thereof.
Background
Today, with increasing economic development, most countries around the world face a common problem of water resource shortage. China is a large ocean country, islands are numerous, coastal areas and middle and western areas have abundant underground brackish water resources, under the condition that underground water taking and cross-regional water transfer are limited by more and more conditions, seawater (brackish water) desalination becomes an important strategic approach for open source throttling and solving the shortage of fresh water in China by developing and utilizing the seawater and brackish water resources. Reverse osmosis is an economical and applicable seawater desalination technology at present.
However, the existing reverse osmosis seawater desalination device is simple in composition mechanism and single in function, so that the application range of the reverse osmosis seawater desalination device is influenced.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problems that a reverse osmosis seawater desalination device in the prior art is simple in composition mechanism and single in function, and provides a multifunctional reverse osmosis seawater desalination device and an operation method.
2. Technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme:
the multifunctional reverse osmosis seawater desalination device comprises an electrical control box and a desalination mechanism, wherein the desalination mechanism is fixedly connected with the inner wall of the electrical control box, one side of the electrical control box is provided with a water inlet, a fresh water outlet, a concentrated water outlet and an ultrafiltration concentrated water outlet, and the desalination mechanism comprises a low-pressure pump, an ultrafiltration membrane component, a high-pressure pump, a reverse osmosis membrane component and an ultraviolet sterilizer;
the water outlet end of the low-pressure pump is connected with the water inlet end of the ultrafiltration membrane component, the water outlet end of the ultrafiltration membrane component is communicated with an ultrafiltration concentrated water outlet through a first pressure regulating valve, the water outlet end of the ultrafiltration membrane component is communicated with a concentrated water outlet through a low-pressure safety valve, the water outlet end of the ultrafiltration membrane component is communicated with the water inlet end of the high-pressure pump, and the water outlet end of the high-pressure pump is communicated with the water inlet end of the concentrated water outlet through a high-pressure safety valve;
the water outlet end of the high-pressure pump is communicated with the water inlet end of the reverse osmosis membrane assembly, the water outlet end of the reverse osmosis membrane assembly is communicated with the concentrated water outlet through a second pressure regulating valve, the water outlet end of the reverse osmosis membrane assembly is communicated with the water inlet end of the ultraviolet sterilizer, the water outlet end of the ultraviolet sterilizer is communicated with the fresh water outlet through a flow meter, and the water outlet end of the ultraviolet sterilizer is communicated with the water inlet end of the flow meter through a conductivity meter.
Preferably, the first pressure regulating valve comprises a No. 7 ball valve and a No. 10 ball valve, and the second pressure regulating valve comprises a No. 2T-shaped ball valve.
Preferably, the ultrafiltration membrane module comprises an ultrafiltration membrane 01 unit and an ultrafiltration membrane 02 unit.
Preferably, the water outlet end of the high-pressure pump is communicated with the water inlet end of the reverse osmosis membrane component through a safety valve pressure relief pipeline.
Preferably, a No. 1T-shaped ball valve is connected to the pressure relief pipeline of the safety valve through a thread, a water outlet end of the No. 1T-shaped ball valve 21 is communicated with water inlet ends of the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit through a No. 11 ball valve and a No. 12 ball valve respectively, and the No. 11 ball valve and the No. 12 ball valve are communicated through a No. 3 ball valve, a No. 13 ball valve and a No. 14 ball valve.
Preferably, the water outlet ends of the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit are communicated through a No. 8 ball valve and a No. 9 ball valve, and the No. 8 ball valve and the No. 9 ball valve are communicated with a safety valve pressure relief pipeline through a No. 5 ball valve and a No. 6 ball valve respectively.
Preferably, a pressure switch of the low-pressure pump corresponding to the low-pressure pump is connected to the pressure relief pipeline of the safety valve through threads.
Preferably, the outer wall of the electric control box is fixedly connected with a PLC control panel and a plurality of indicator lamps.
The operation method of the multifunctional reverse osmosis seawater desalination device comprises the following steps:
step 1: seawater is firstly led into the ultrafiltration membrane component through a low-pressure pump;
step 2: then the concentrated water is led out through an ultrafiltration concentrated water outlet by a first pressure regulating valve, and the permeated water enters a reverse osmosis membrane assembly through a high-pressure pump;
and step 3: then the concentrated water in the reverse osmosis membrane component is led out from a concentrated water outlet through a second pressure regulating valve, and the fresh water enters an ultraviolet sterilizer for sterilization;
and 4, step 4: and finally, the fresh water after the ultraviolet sterilizer is led out through a fresh water outlet after passing through the conductivity meter and the flowmeter in sequence.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
according to the invention, through the arrangement of the electric control box, the low-pressure pump, the ultrafiltration membrane component, the high-pressure pump, the reverse osmosis membrane component, the ultraviolet sterilizer and other structural components, the reverse osmosis seawater desalination device has the functions of ultrafiltration forward washing, ultrafiltration backwashing and the like, so that the application range of the reverse osmosis seawater desalination device is expanded.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 2 is a schematic diagram of a side view of the multifunctional reverse osmosis seawater desalination plant according to the present invention;
FIG. 3 is a schematic perspective view of a desalination mechanism of the multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 4 is a schematic diagram of the front view structure of the desalination mechanism of the multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 5 is a schematic diagram of a side view of a desalination mechanism of the multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 6 is a flow chart of the seawater desalination process of the multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 7 is a flow chart of the cleaning process of the multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 8 is a flow chart of a second cleaning process of the multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 9 is a flow chart of the three steps of cleaning the multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 10 is a four-flow diagram of the cleaning process of the multifunctional reverse osmosis seawater desalination device provided by the present invention;
FIG. 11 is a flow chart of the five cleaning processes of the multifunctional reverse osmosis seawater desalination device provided by the present invention.
In the figure: 1 electrical control box, 2 water inlet, 3 fresh water outlet, 4 concentrated water outlet, 5 ultrafiltration concentrated water outlet, 6 low pressure pump, 7 ultrafiltration membrane component, 8 high pressure pump, 9 reverse osmosis membrane component, 10 ultraviolet sterilizer, 11 indicator light, 12 low pressure safety valve, 13 high pressure safety valve, 14PLC control panel, 15 flowmeter, 16 conductivity meter, 17 safety valve pressure release pipeline, 18 low pressure pump pressure switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-11, the multifunctional reverse osmosis seawater desalination device comprises an electrical control box 1 and a desalination mechanism, wherein the desalination mechanism is fixedly connected with the inner wall of the electrical control box 1, a PLC control panel 14 and a plurality of indicator lamps 11 are fixedly connected to the outer wall of the electrical control box 1, a water inlet 2, a fresh water outlet 3, a concentrated water outlet 4 and an ultrafiltration concentrated water outlet 5 are arranged on one side of the electrical control box 1, the desalination mechanism comprises a low-pressure pump 6, an ultrafiltration membrane component 7, a high-pressure pump 8, a reverse osmosis membrane component 9 and an ultraviolet sterilizer 10, and the ultrafiltration membrane component 7 comprises an ultrafiltration membrane 01 unit and an ultrafiltration membrane 02 unit;
in the invention, the water outlet end of a low-pressure pump 6 is connected with the water inlet end of an ultrafiltration membrane component 7, the water outlet end of the ultrafiltration membrane component 7 is communicated with an ultrafiltration concentrated water outlet 5 through a first pressure regulating valve, the first pressure regulating valve comprises a No. 7 ball valve and a No. 10 ball valve, the second pressure regulating valve comprises a No. 2T-shaped ball valve, the water outlet end of the ultrafiltration membrane component 7 is communicated with a concentrated water outlet 4 through a low-pressure safety valve 12, the water outlet end of the ultrafiltration membrane component 7 is communicated with the water inlet end of a high-pressure pump 8, and the water outlet end of the high-pressure pump 8 is communicated with the water inlet end of the concentrated water outlet 4 through a high-pressure safety valve 13;
in the invention, the water outlet end of a high-pressure pump 8 is communicated with the water inlet end of a reverse osmosis membrane assembly 9, the water outlet end of the high-pressure pump 8 is communicated with the water inlet end of the reverse osmosis membrane assembly 9 through a safety valve pressure relief pipeline 17, a No. 1T-shaped ball valve is connected to the safety valve pressure relief pipeline 17 in a threaded manner, and the water outlet end of a No. 1T-shaped ball valve 21 is communicated with the water inlet ends of an ultrafiltration membrane 01 unit and an ultrafiltration membrane 02 unit through a No. 11 ball valve and a No. 12 ball valve respectively;
in the invention, a No. 11 ball valve is communicated with a No. 12 ball valve through a No. 3 ball valve, a No. 13 ball valve is communicated with a No. 14 ball valve, the water outlet ends of an ultrafiltration membrane 01 unit and an ultrafiltration membrane 02 unit are communicated through a No. 8 ball valve and a No. 9 ball valve, and the No. 8 ball valve and the No. 9 ball valve are respectively communicated with a safety valve pressure relief pipeline 17 through a No. 5 ball valve and a No. 6 ball valve;
in the invention, a safety valve pressure relief pipeline 17 is in threaded connection with a low-pressure pump pressure switch 18 corresponding to the low-pressure pump 6, and the water outlet end of a reverse osmosis membrane component 9 is communicated with a concentrated water outlet 4 through a second pressure regulating valve;
in the invention, the water outlet end of the reverse osmosis membrane component 9 is communicated with the water inlet end of the ultraviolet sterilizer 10, the water outlet end of the ultraviolet sterilizer 10 is communicated with the fresh water outlet 3 through the flow meter 15, and the water outlet end of the ultraviolet sterilizer 10 is communicated with the water inlet end of the flow meter 15 through the conductivity meter 16.
The operation method of the multifunctional reverse osmosis seawater desalination device comprises the following steps:
step 1: seawater is firstly led into an ultrafiltration membrane component 7 through a low-pressure pump 6;
step 2: then, concentrated water is led out through an ultrafiltration concentrated water outlet 5 by a first pressure regulating valve, and permeated water enters a reverse osmosis membrane assembly 9 through a high-pressure pump 8;
and step 3: then, the concentrated water in the reverse osmosis membrane component 9 is led out from the concentrated water outlet 4 through a second pressure regulating valve, and the fresh water enters an ultraviolet sterilizer 10 for sterilization;
and 4, step 4: finally, the fresh water after the ultraviolet sterilizer 10 passes through the conductivity meter 16 and the flowmeter 15 in sequence and is led out through the fresh water outlet 3.
According to the invention, the device cleans a middle ultrafiltration membrane 01 unit to produce water to clean an ultrafiltration membrane 02, backwashes the ultrafiltration membrane 02 unit, closes a T-shaped valve No. 1, and opens ball valves No. 3, No. 5, No. 7, No. 9 and No. 12.
In the invention, the device cleans the ultrafiltration membrane 01 by producing water in the ultrafiltration membrane 02 unit in the second cleaning step, backwashes the ultrafiltration membrane 01 unit, closes the T-shaped valve No. 1, and opens the ball valves No. 4, No. 6, No. 7, No. 8 and No. 11.
In the invention, the device washes an ultrafiltration membrane in a third step at a high flow rate, washes the ultrafiltration membrane positively, and opens ball valves No. 3, No. 4, No. 5, No. 6, No. 8, No. 9 and No. 10.
According to the invention, the ultrafiltration membrane produced water in the device cleaning step four is used for washing the reverse osmosis membrane at a large flow rate, the No. 1T-shaped valve and the No. 2T-shaped valve are opened, and the ball valves No. 3, No. 4, No. 5, No. 6, No. 7, No. 8 and No. 9 are opened.
In the invention, the cleaning water in the fifth cleaning step of the device directly washes the reverse osmosis membrane at a large flow rate through the low-pressure pump, the No. 1T-shaped valve and the No. 2T-shaped valve are opened, and the ball valve is opened No. 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The multifunctional reverse osmosis seawater desalination device comprises an electrical control box (1) and a desalination mechanism, and is characterized in that the desalination mechanism is fixedly connected with the inner wall of the electrical control box (1), one side of the electrical control box (1) is provided with a water inlet (2), a fresh water outlet (3), a concentrated water outlet (4) and an ultrafiltration concentrated water outlet (5), and the desalination mechanism comprises a low-pressure pump (6), an ultrafiltration membrane component (7), a high-pressure pump (8), a reverse osmosis membrane component (9) and an ultraviolet sterilizer (10);
the water outlet end of the low-pressure pump (6) is connected with the water inlet end of an ultrafiltration membrane component (7), the water outlet end of the ultrafiltration membrane component (7) is communicated with an ultrafiltration concentrated water outlet (5) through a first pressure regulating valve, the water outlet end of the ultrafiltration membrane component (7) is communicated with a concentrated water outlet (4) through a low-pressure safety valve (12), the water outlet end of the ultrafiltration membrane component (7) is communicated with the water inlet end of a high-pressure pump (8), and the water outlet end of the high-pressure pump (8) is communicated with the water inlet end of the concentrated water outlet (4) through a high-pressure safety valve (13);
the water outlet end of the high-pressure pump (8) is communicated with the water inlet end of the reverse osmosis membrane assembly (9), the water outlet end of the reverse osmosis membrane assembly (9) is communicated with the concentrated water outlet (4) through a second pressure regulating valve, the water outlet end of the reverse osmosis membrane assembly (9) is communicated with the water inlet end of the ultraviolet sterilizer (10), the water outlet end of the ultraviolet sterilizer (10) is communicated with the fresh water outlet (3) through a flow meter (15), and the water outlet end of the ultraviolet sterilizer (10) is communicated with the water inlet end of the flow meter (15) through a conductivity meter (16).
2. The multi-functional reverse osmosis seawater desalination plant of claim 1 wherein the first pressure regulating valve comprises a No. 7 ball valve and a No. 10 ball valve and the second pressure regulating valve comprises a No. 2T-ball valve.
3. The multifunctional reverse osmosis seawater desalination plant of claim 1, wherein the ultrafiltration membrane module (7) comprises an ultrafiltration membrane 01 unit and an ultrafiltration membrane 02 unit.
4. The multifunctional reverse osmosis seawater desalination plant of claim 3, wherein the water outlet end of the high pressure pump (8) is communicated with the water inlet end of the reverse osmosis membrane assembly (9) through a safety valve pressure relief pipeline (17).
5. The multifunctional reverse osmosis seawater desalination device of claim 4, wherein a No. 1T-shaped ball valve is connected to the safety valve pressure relief pipeline (17) in a threaded manner, the water outlet end of the No. 1T-shaped ball valve 21 is communicated with the water inlet ends of the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit through a No. 11 ball valve and a No. 12 ball valve respectively, and the No. 11 ball valve and the No. 12 ball valve are communicated through a No. 3 ball valve, a No. 13 ball valve and a No. 14 ball valve.
6. The multifunctional reverse osmosis seawater desalination device of claim 5, wherein the outlet ends of the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit are communicated through a No. 8 ball valve and a No. 9 ball valve, and the No. 8 ball valve and the No. 9 ball valve are communicated with a safety valve pressure relief pipeline (17) through a No. 5 ball valve and a No. 6 ball valve respectively.
7. A multifunctional reverse osmosis seawater desalination plant according to claim 4, characterized in that the safety valve pressure relief pipeline (17) is in threaded connection with a low pressure pump pressure switch (18) corresponding to the low pressure pump (6).
8. A multifunctional reverse osmosis seawater desalination plant as claimed in claim 1 wherein the electrical control box (1) is fixedly connected with a PLC control panel (14) and a plurality of indicator lights (11) on its outer wall.
9. The operation method of the multifunctional reverse osmosis seawater desalination device is characterized by comprising the following steps:
step 1: seawater is led into an ultrafiltration membrane component (7) through a low-pressure pump (6);
step 2: then, concentrated water is led out through an ultrafiltration concentrated water outlet (5) through a first pressure regulating valve, and permeated water enters a reverse osmosis membrane assembly (9) through a high-pressure pump (8);
and step 3: then, concentrated water in the reverse osmosis membrane assembly (9) is led out from a concentrated water outlet (4) through a second pressure regulating valve, and fresh water enters an ultraviolet sterilizer (10) for sterilization;
and 4, step 4: and finally, the fresh water after the ultraviolet sterilizer (10) passes through the conductivity meter (16) and the flowmeter (15) in sequence and is led out through the fresh water outlet (3).
CN202210008302.8A 2022-01-05 2022-01-05 Multifunctional reverse osmosis seawater desalination device and operation method Pending CN114212928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210008302.8A CN114212928A (en) 2022-01-05 2022-01-05 Multifunctional reverse osmosis seawater desalination device and operation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210008302.8A CN114212928A (en) 2022-01-05 2022-01-05 Multifunctional reverse osmosis seawater desalination device and operation method

Publications (1)

Publication Number Publication Date
CN114212928A true CN114212928A (en) 2022-03-22

Family

ID=80707863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210008302.8A Pending CN114212928A (en) 2022-01-05 2022-01-05 Multifunctional reverse osmosis seawater desalination device and operation method

Country Status (1)

Country Link
CN (1) CN114212928A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006057249A1 (en) * 2004-11-24 2006-06-01 Hitachi Zosen Corporation Seawater desalination apparatus using reverse osmotic membrane method
CN105152399A (en) * 2015-09-01 2015-12-16 中冶建筑研究总院有限公司 Reverse osmosis container-type sea water desalination plant and water producing process thereof
CN205222857U (en) * 2015-09-01 2016-05-11 中冶建筑研究总院有限公司 Reverse osmosis container formula sea water desalination device
CN206173148U (en) * 2016-11-09 2017-05-17 江苏金环环保设备有限公司 Energy -efficient seawater desalination equipment
CN109516617A (en) * 2017-09-20 2019-03-26 台州禾源净化设备科技有限公司 A kind of desalinator for seawater
CN209098408U (en) * 2018-11-09 2019-07-12 西安正安环境技术有限公司 Portable type sea water desalination device based on ball pump
CN217377589U (en) * 2022-01-05 2022-09-06 台州禾源净化设备科技有限公司 Multifunctional reverse osmosis seawater desalination device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006057249A1 (en) * 2004-11-24 2006-06-01 Hitachi Zosen Corporation Seawater desalination apparatus using reverse osmotic membrane method
CN105152399A (en) * 2015-09-01 2015-12-16 中冶建筑研究总院有限公司 Reverse osmosis container-type sea water desalination plant and water producing process thereof
CN205222857U (en) * 2015-09-01 2016-05-11 中冶建筑研究总院有限公司 Reverse osmosis container formula sea water desalination device
CN206173148U (en) * 2016-11-09 2017-05-17 江苏金环环保设备有限公司 Energy -efficient seawater desalination equipment
CN109516617A (en) * 2017-09-20 2019-03-26 台州禾源净化设备科技有限公司 A kind of desalinator for seawater
CN209098408U (en) * 2018-11-09 2019-07-12 西安正安环境技术有限公司 Portable type sea water desalination device based on ball pump
CN217377589U (en) * 2022-01-05 2022-09-06 台州禾源净化设备科技有限公司 Multifunctional reverse osmosis seawater desalination device

Similar Documents

Publication Publication Date Title
CN106186193A (en) Anti-penetration water purifier
CN204265580U (en) novel ultra-pure water machine
CN201634539U (en) Treatment system for reclaiming incision waste water into ultrapure water in semiconductor industry
CN217377589U (en) Multifunctional reverse osmosis seawater desalination device
CN208471592U (en) Water purifier
CN217377590U (en) High-efficiency reverse osmosis seawater desalination device
CN209583711U (en) Mutual backwashing ultrafiltration device
CN114212928A (en) Multifunctional reverse osmosis seawater desalination device and operation method
CN101185846B (en) Household water treating device with automatic backwash RO film device
CN205999072U (en) A kind of double anti-water cleaning systems of constant pressure water tank
CN114212929A (en) High-efficiency reverse osmosis seawater desalination device and operation method
CN216336946U (en) High-utilization-rate pure water treatment system
CN205740544U (en) Double film twin-cores connection micro-dense water reverse osmosis unit of string data
CN105776621B (en) A kind of omnipotent pure machine of filtering
CN204417230U (en) A kind of water operation structure and comprise the RO water making machine of this structure
CN201837881U (en) Intelligent control system of full film water treatment equipment
CN207774936U (en) A kind of secondary flusher of water treatment facilities
CN210495949U (en) Reverse osmosis system of water purifier capable of performing back flushing
CN202671325U (en) Purifier with function of preventing frequent washing
CN109607683A (en) A kind of mutual backwashing ultrafiltration device
CN206359332U (en) It is a kind of that there is the pure water machine system for reducing leading portion pure water concentration function
CN203144149U (en) Water purifier
CN202808503U (en) Household water processor with automatic back-flushing RO (reverse osmosis) membrane device
CN209957582U (en) Fresh water device capable of automatically flushing
CN2818463Y (en) Ultra-filter pretreater of reverse osmosis water purifier

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination