CN217377589U - Multifunctional reverse osmosis seawater desalination device - Google Patents
Multifunctional reverse osmosis seawater desalination device Download PDFInfo
- Publication number
- CN217377589U CN217377589U CN202220016340.3U CN202220016340U CN217377589U CN 217377589 U CN217377589 U CN 217377589U CN 202220016340 U CN202220016340 U CN 202220016340U CN 217377589 U CN217377589 U CN 217377589U
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- China
- Prior art keywords
- water outlet
- reverse osmosis
- ball valve
- communicated
- ultrafiltration membrane
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 62
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 53
- 239000013535 sea water Substances 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000012528 membrane Substances 0.000 claims abstract description 78
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 66
- 239000013505 freshwater Substances 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 6
- 238000011001 backwashing Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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Classifications
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- 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, which comprises an electric control box and a desalination mechanism, wherein the desalination mechanism is fixedly connected with the inner wall of the electric control box, and 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 3, 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. The invention enables the reverse osmosis seawater desalination device to have the functions of ultrafiltration forward washing, ultrafiltration backwashing and the like by arranging the structural components such as 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 the like, thereby improving the application range of the reverse osmosis seawater desalination device.
Description
Technical Field
The invention relates to the technical field of seawater desalination equipment, in particular to a multifunctional reverse osmosis seawater desalination device.
Background
Today, with the increasing development of economy, most countries around the world face the 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 practical 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.
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 respectively communicated with a safety valve pressure relief pipeline through a No. 5 ball valve and a No. 6 ball valve.
Preferably, a pressure relief pipeline of the safety valve is in threaded connection with a low-pressure pump pressure switch corresponding to the low-pressure pump.
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 structural components such as 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 the like, 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 view of the front view structure of the multifunctional reverse osmosis seawater desalination plant 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 view of the three-dimensional structure of the 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 apparatus provided in 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 steps of cleaning 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, 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, 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 a 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 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.
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 is used for cleaning an ultrafiltration membrane 01 by producing water in an ultrafiltration membrane 02 unit in a second cleaning device, backwashing an ultrafiltration membrane 01 unit, closing a No. 1T-shaped valve, and opening 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 (8)
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 multifunctional reverse osmosis seawater desalination plant of claim 1, wherein the first pressure regulating valve comprises a number 7 ball valve and a number 10 ball valve, and the second pressure regulating valve comprises a number 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, 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.
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. The multifunctional reverse osmosis seawater desalination device of claim 1, wherein the outer wall of the electrical control box (1) is fixedly connected with a PLC control panel (14) and a plurality of indicator lamps (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220016340.3U CN217377589U (en) | 2022-01-05 | 2022-01-05 | Multifunctional reverse osmosis seawater desalination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220016340.3U CN217377589U (en) | 2022-01-05 | 2022-01-05 | Multifunctional reverse osmosis seawater desalination device |
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| CN217377589U true CN217377589U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220016340.3U Expired - Fee Related CN217377589U (en) | 2022-01-05 | 2022-01-05 | Multifunctional reverse osmosis seawater desalination device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212928A (en) * | 2022-01-05 | 2022-03-22 | 台州禾源净化设备科技有限公司 | Multifunctional reverse osmosis seawater desalination device and operation method |
-
2022
- 2022-01-05 CN CN202220016340.3U patent/CN217377589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212928A (en) * | 2022-01-05 | 2022-03-22 | 台州禾源净化设备科技有限公司 | Multifunctional reverse osmosis seawater desalination device and operation method |
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Granted publication date: 20220906 |