CN217377590U - High-efficiency reverse osmosis seawater desalination device - Google Patents
High-efficiency reverse osmosis seawater desalination device Download PDFInfo
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- CN217377590U CN217377590U CN202220017681.2U CN202220017681U CN217377590U CN 217377590 U CN217377590 U CN 217377590U CN 202220017681 U CN202220017681 U CN 202220017681U CN 217377590 U CN217377590 U CN 217377590U
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- reverse osmosis
- water outlet
- pressure pump
- ultrafiltration membrane
- valve
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 63
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 58
- 239000013535 sea water Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000012528 membrane Substances 0.000 claims abstract description 78
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 61
- 239000013505 freshwater Substances 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 238000011001 backwashing Methods 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 high-efficiency reverse osmosis seawater desalination device, which comprises an electric control box and a desalination mechanism, wherein 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; and 2, step: then the concentrated water is led out through an ultrafiltration concentrated water outlet, and the permeated water enters a reverse osmosis membrane component; and 3, step 3: then the concentrated water is led out from a concentrated water outlet, and the fresh water is sterilized; and 4, step 4: and finally, the fresh water after the ultraviolet sterilizer is led out from 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 can quickly and effectively perform anti-osmosis desalination on seawater, so that the use effect of the reverse osmosis seawater desalination device is improved.
Description
Technical Field
The invention relates to the technical field of seawater desalination equipment, in particular to a high-efficiency reverse osmosis seawater desalination device.
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 the seawater desalination efficiency of the reverse osmosis seawater desalination device is low, so that the use effect 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 low in seawater desalination efficiency, and provides a high-efficiency reverse osmosis seawater desalination device.
2. Technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme:
the high-efficiency 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 through a conductivity meter, and the water outlet end of the ultraviolet sterilizer is communicated with the fresh water outlet through a flow meter.
Preferably, the first pressure regulating valve comprises a number 5 ball valve, and the second pressure regulating valve comprises a number 1T-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, the safety valve pressure relief pipeline is communicated with the water inlet ends of the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit through a No. 2 ball valve, a No. 9 valve and a No. 4 ball valve in sequence, and the low-pressure safety valve is communicated with the water inlet ends of the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit through a No. 8 ball valve.
Preferably, the No. 8 ball valve is communicated with the No. 2 ball valve through a No. 3 valve, a No. 6 valve and a No. 7 valve.
Preferably, the pressure relief pipeline of the safety valve is in threaded connection with a low-pressure pump pressure switch and a high-pressure pump pressure switch which respectively correspond to the low-pressure pump and the high-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 high-efficiency reverse osmosis seawater desalination device comprises the following steps:
step 1: seawater is firstly led into an ultrafiltration membrane component through a low-pressure pump;
and 2, step: 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 module is led out from a concentrated water outlet through a second pressure regulating valve, and the fresh water enters an ultraviolet sterilizer through a conductivity meter for sterilization;
and 4, step 4: and finally, the fresh water after the ultraviolet sterilizer is led out from a fresh water outlet through a flowmeter.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
according to the invention, the reverse osmosis seawater desalination device can rapidly and effectively perform anti-osmosis desalination on seawater 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, so that the use effect of the reverse osmosis seawater desalination device is improved.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a high-efficiency reverse osmosis seawater desalination device provided by the present invention;
FIG. 2 is a schematic diagram of a side view of a high efficiency reverse osmosis desalination apparatus according to the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of a desalination mechanism of the high-efficiency 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 high efficiency 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 high efficiency reverse osmosis desalination device of the present invention;
FIG. 6 is a flow chart of the seawater desalination process of the high efficiency reverse osmosis seawater desalination plant according to the present invention;
FIG. 7 is a flow chart of the cleaning process of the high efficiency reverse osmosis desalination apparatus of the present invention;
FIG. 8 is a flow chart of a second cleaning process of the high efficiency reverse osmosis desalination apparatus of the present invention;
FIG. 9 is a flow chart of the third cleaning process of the high efficiency reverse osmosis desalination apparatus of the present invention;
FIG. 10 is a four-flow diagram of the cleaning process of the high-efficiency reverse osmosis seawater desalination device provided by the present invention;
FIG. 11 is a flow chart of the five steps of cleaning the apparatus of the high efficiency reverse osmosis desalination apparatus of the present invention.
In the figure: 1 electrical control box, 2 water inlet, 3 fresh water outlet, 4 concentrated water outlet, 5 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 flow meter, 16 conductivity meter, 17 safety valve pressure release pipeline, 18 low pressure pump pressure switch, 19 high 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 high-efficiency reverse osmosis seawater desalination device comprises an electrical control box 1 and a desalination mechanism, 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, 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 assembly 7, a high-pressure pump 8, a reverse osmosis membrane assembly 9 and an ultraviolet sterilizer 10;
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 ultrafiltration membrane component 7 comprises an ultrafiltration membrane 01 unit and an ultrafiltration membrane 02 unit, the water outlet end of a high-pressure pump 8 is communicated with the water inlet end of a reverse osmosis membrane component 9 through a safety valve pressure relief pipeline 17, and the safety valve pressure relief pipeline 17 is communicated with the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit through a No. 2 ball valve, a No. 9 valve and a No. 4 ball valve in sequence;
in the invention, a low-pressure safety valve 12 is communicated with the water inlet ends of an ultrafiltration membrane 01 unit and an ultrafiltration membrane 02 unit through a No. 8 ball valve, the No. 8 ball valve is communicated with a No. 2 ball valve through a No. 3 valve, a No. 6 valve and a No. 7 valve, a low-pressure pump pressure switch 18 and a high-pressure pump pressure switch 19 which respectively correspond to a low-pressure pump 6 and a high-pressure pump 8 are connected to a safety valve pressure relief pipeline 17 in a threaded manner, and the water outlet end of an ultrafiltration membrane component 7 is communicated with an ultrafiltration concentrated water outlet 5 through a first pressure regulating valve;
in the invention, a first pressure regulating valve comprises a No. 5 ball valve, a second pressure regulating valve comprises a No. 1T-shaped ball valve, the water outlet end of an 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 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 the 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 through the conductivity meter 16, and the water outlet end of the ultraviolet sterilizer 10 is communicated with the fresh water outlet 3 through the flow meter 15.
The operation method of the high-efficiency 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 through a first pressure regulating valve, and permeated water enters a reverse osmosis membrane assembly 9 through a high-pressure pump 8;
and 3, step 3: then, the concentrated water in the reverse osmosis membrane assembly 9 is led out from the concentrated water outlet 4 through a second pressure regulating valve, and the fresh water enters the ultraviolet sterilizer 10 through the conductivity meter 16 for sterilization;
and 4, step 4: finally, the fresh water after the ultraviolet sterilizer 10 is led out from the fresh water outlet 3 through a flowmeter 15.
According to the invention, the device cleans a middle ultrafiltration membrane 01 unit, produces water to clean an ultrafiltration membrane 02 unit, backwashes the ultrafiltration membrane 02 unit, and opens ball valves No. 2, No. 4, No. 5 and No. 7.
In the invention, the device is used for cleaning the ultrafiltration membrane 02 unit, the ultrafiltration membrane 01 unit, the backwashing of the ultrafiltration membrane 01 unit and the ball valves 3, 4, 5 and 6.
In the invention, the device washes an ultrafiltration membrane in a third step with high flow, washes the ultrafiltration membrane positively, and opens ball valves No. 2, No. 3 and No. 8.
According to the invention, the device cleans the fourth step, wherein the ultrafiltration membrane produces water to wash the reverse osmosis membrane at a large flow rate, the T-shaped valve No. 1 is closed, and the ball valves No. 2, No. 3, No. 4 and No. 5 are opened.
In the device cleaning method, cleaning water in a fifth cleaning step directly washes the reverse osmosis membrane at a large flow rate through a low-pressure pump, a No. 1T-shaped valve is closed, and a No. 9 ball valve is opened.
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 high-efficiency 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) through a conductivity meter (16), and the water outlet end of the ultraviolet sterilizer (10) is communicated with the fresh water outlet (3) through a flow meter (15).
2. The high efficiency reverse osmosis seawater desalination plant of claim 1 wherein the first pressure regulating valve comprises a number 5 ball valve and the second pressure regulating valve comprises a number 1T-ball valve.
3. A high efficiency reverse osmosis seawater desalination plant as claimed in claim 1 wherein the ultrafiltration membrane module (7) comprises an ultrafiltration membrane 01 unit and an ultrafiltration membrane 02 unit.
4. A high efficiency reverse osmosis seawater desalination plant as claimed in claim 3 wherein the water outlet of the high pressure pump (8) is connected to the water inlet of the reverse osmosis membrane module (9) via a safety valve pressure relief line (17).
5. The high-efficiency reverse osmosis seawater desalination device of claim 4, wherein the safety valve pressure relief pipeline (17) is communicated with the water inlet ends of the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit through a No. 2 ball valve, a No. 9 valve and a No. 4 ball valve in sequence, and the low-pressure safety valve (12) is communicated with the water inlet ends of the ultrafiltration membrane 01 unit and the ultrafiltration membrane 02 unit through a No. 8 ball valve.
6. The high efficiency reverse osmosis seawater desalination plant of claim 5 wherein the No. 8 ball valve is in communication with the No. 2 ball valve through the No. 3 valve, the No. 6 valve and the No. 7 valve.
7. A high efficiency reverse osmosis seawater desalination plant as claimed in claim 4 wherein the safety valve pressure relief line (17) is threaded with a low pressure pump pressure switch (18) and a high pressure pump pressure switch (19) corresponding to the low pressure pump (6) and the high pressure pump (8), respectively.
8. A high efficiency reverse osmosis seawater desalination plant as claimed in claim 1 wherein the electrical control box (1) is fixedly connected on its outer wall with a PLC control panel (14) and a plurality of indicator lights (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220017681.2U CN217377590U (en) | 2022-01-05 | 2022-01-05 | High-efficiency reverse osmosis seawater desalination device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220017681.2U CN217377590U (en) | 2022-01-05 | 2022-01-05 | High-efficiency reverse osmosis seawater desalination device |
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| CN217377590U true CN217377590U (en) | 2022-09-06 |
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| CN202220017681.2U Expired - Fee Related CN217377590U (en) | 2022-01-05 | 2022-01-05 | High-efficiency reverse osmosis seawater desalination device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212929A (en) * | 2022-01-05 | 2022-03-22 | 台州禾源净化设备科技有限公司 | High-efficiency reverse osmosis seawater desalination device and operation method |
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2022
- 2022-01-05 CN CN202220017681.2U patent/CN217377590U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212929A (en) * | 2022-01-05 | 2022-03-22 | 台州禾源净化设备科技有限公司 | High-efficiency reverse osmosis seawater desalination device and operation method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |