CN211813579U - Reverse osmosis water treatment system - Google Patents
Reverse osmosis water treatment system Download PDFInfo
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- CN211813579U CN211813579U CN201922466262.8U CN201922466262U CN211813579U CN 211813579 U CN211813579 U CN 211813579U CN 201922466262 U CN201922466262 U CN 201922466262U CN 211813579 U CN211813579 U CN 211813579U
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Abstract
The utility model provides a reverse osmosis water treatment system, which belongs to the technical field of reverse osmosis water treatment equipment and comprises a water inlet device to be treated, a reverse osmosis water treatment device, a purified water tank, a concentrated water tank and a back pressure prevention device, wherein the back pressure prevention device is arranged on a reverse osmosis purified water outlet pipe and comprises a pneumatic three-way reversing valve and a check valve; still including being used for wasing reverse osmosis water treatment facilities's cleaning device, cleaning device is equipped with the first inlet tube of clean water, clean water second inlet tube, first filling tube, second filling tube and the drain pipe that is linked together with the external world on the clean water is equipped with the water tank for water with clean water outer wall. The utility model has simple and reasonable structure, can prevent the reverse osmosis water production system from being damaged by back pressure all the time, and is more energy-saving and environment-friendly; and can carry out effectual clearance and maintenance to reverse osmosis unit, prolonged reverse osmosis water treatment system's life.
Description
Technical Field
The utility model relates to a reverse osmosis water treatment facilities especially relates to a reverse osmosis water treatment system with online clearance structure and backpressure device of preventing.
Background
In the field of reverse osmosis water treatment, back pressure refers to the situation where the product water side pressure is greater than the feed side pressure, and reverse osmosis typically allows a maximum back pressure of 3.5 meters, above which irreversible damage to the reverse osmosis membrane (RO membrane) occurs. In practical application, RO produces water and needs to get into through producing water pipeline and produce the water tank, and it is often than higher (exceeding RO and producing water safe pressure 3.5 meters) according to the technological needs to produce water tank or RO and produce water and intake case interface setting, and reverse osmosis produces water and need bear certain pressure usually, produces water and just can flow into the product water tank. Since reverse osmosis membrane filtration is pressure driven, there is no back pressure during normal operation, but if the system is shut down normally or fails, and the valves are improperly set or closed, there is a possibility of back pressure, resulting in irreversible damage to the entire RO membrane, and therefore the problem of back pressure must be properly addressed.
In present practical application, RO produces water and often gets into highly less product water buffer tank earlier, sends to the big volume product water tank through buffer tank outward water feeding pump again, has so not only increased the equipment investment, has still increased buffer tank outward water feeding pump and control system power consumption, consequently has increased manufacturing cost.
In addition, the RO membrane in the reverse osmosis water treatment equipment can adhere to a plurality of salts on the surface thereof after being used for a period of time, so that the membrane pores are blocked, thereby reducing the water treatment effect, therefore, the RO membrane needs to be cleaned regularly, and the RO membrane is taken out from the equipment to be cleaned when the existing reverse osmosis water treatment equipment needs to clean the RO membrane, so that the cleaning time is longer, and the water production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a reverse osmosis water treatment system solves the back pressure and can not realize online cleaning's problem to reverse osmosis system's damage and reverse osmosis system.
In order to achieve the above object, the present invention provides a reverse osmosis water treatment system, comprising a water inlet device for water to be treated provided with a high pressure pump, a reverse osmosis water treatment device having a reverse osmosis membrane structure inside, a purified water tank and a concentrated water tank, wherein the water inlet device for water to be treated is communicated with a water inlet end of the reverse osmosis water treatment device through a reverse osmosis water inlet pipe, the reverse osmosis water treatment device conveys the prepared purified water to the purified water tank through a reverse osmosis water outlet pipe, and the reverse osmosis water treatment device conveys reverse osmosis concentrated water to the concentrated water tank through a reverse osmosis concentrated water outlet pipe; the reverse osmosis water purifier is characterized by further comprising a back pressure prevention device, wherein the back pressure prevention device is arranged on the reverse osmosis purified water outlet pipe and comprises a pneumatic three-way reversing valve and a check valve, the pneumatic three-way reversing valve is close to the reverse osmosis water treatment device, and the check valve is far away from the reverse osmosis water treatment device; the reverse osmosis water treatment system also comprises a cleaning device for cleaning the reverse osmosis water treatment device, wherein the cleaning device comprises a cleaning water standby water tank, the outer wall of the cleaning water standby water tank is provided with a cleaning water first water inlet pipe, a cleaning water second water inlet pipe, a first feed pipe, a second feed pipe and a drain pipe which are communicated with the outside, the second feed pipe is communicated with the purified water tank, and the cleaning water first water inlet pipe is communicated with the water inlet device to be treated; the shell of the reverse osmosis water treatment device is of a double-layer structure with an interlayer, a cleaning water conveying pipeline is arranged in the interlayer, the cleaning water conveying pipeline is communicated with a spray washing head which penetrates through the interlayer and extends into the reverse osmosis water treatment device through a branch pipeline, and the cleaning water conveying pipeline is also communicated with a cleaning water standby water tank through a cleaning water second water inlet pipe; and a high-pressure pump in the water inlet device for water to be treated is linked with a pneumatic three-way reversing valve.
Furthermore, the reverse osmosis water treatment device is also provided with an observation window for observing the internal operation condition.
Furthermore, the spray washing head is a high-pressure spray head and is uniformly distributed on the inner wall of the reverse osmosis water treatment device.
Furthermore, a stirring shaft communicated with an external driving motor is arranged in the cleaning water preparation water tank.
Furthermore, all be equipped with the valve that is used for adjusting flow on clean water second inlet tube, the first inlet tube of clean water and the second filling tube.
Furthermore, water quality detectors are arranged in the water purifying tank and the clean water preparing tank.
The utility model discloses a reverse osmosis water treatment system's beneficial effect does:
the utility model has simple and reasonable structure, can prevent the reverse osmosis water production system from being damaged by back pressure all the time, and is more energy-saving and environment-friendly; and can carry out effectual clearance and maintenance to reverse osmosis unit, prolonged reverse osmosis water treatment system's life.
The utility model discloses a setting up and producing water backpressure device of preventing, replaced buffer tank and buffer pump, saved the investment and the long-term operation power consumption that produce from this, saved a large amount of running costs, low carbon, environmental protection, safety for the user.
The backpressure-preventing device arranged in the utility model consists of the pneumatic three-way reversing valve and the check valve, is arranged at the water production port of the reverse osmosis device, and when reverse osmosis water is produced, the pneumatic three-way reversing valve and the high-pressure pump which are arranged on the water production pipeline are linked and started, so that the pressure of the reverse osmosis water inlet pipe is always greater than the pressure value on the water production pipeline, and the backpressure condition of reverse osmosis water production can not exist when the reverse osmosis water is started and operated; when reverse osmosis stops and the high-pressure pump stops running, the three-way reversing valve stops, reverse osmosis produced water is converted into a drainage pipeline, and the condition that back pressure damage does not exist is guaranteed.
The utility model discloses the belt cleaning device who sets up can play fine cleaning action to reverse osmosis membrane and reverse osmosis unit inner wall, saves the scavenging period, can improve production efficiency to can also delay equipment's life, have good economic benefits.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a reverse osmosis water production system of the present invention;
FIG. 2 is a schematic structural view of a reverse osmosis water treatment device in the reverse osmosis water production system of the present invention;
FIG. 3 is a schematic structural view of a cleaning water preparation tank in the reverse osmosis water production system of the present invention;
the device comprises a water inlet device to be treated, a 2-reverse osmosis water treatment device, a 3-pneumatic three-way reversing valve, a 4-check valve, a 5-purified water tank, a 6-concentrated water tank, a 7-clean water standby water tank, an 8-observation window, a 9-reverse osmosis water inlet pipe, a 10-reverse osmosis membrane structure, an 11-reverse osmosis purified water outlet pipe, a 12-reverse osmosis concentrated water outlet pipe, a 13-clean water second water inlet pipe, a 14-clean water first water inlet pipe, a 15-spray washing head, a 16-stirring shaft, a 17-first feeding pipe, an 18-second feeding pipe, a 19-drain pipe and a 20-interlayer.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
A reverse osmosis water treatment system, as shown in figure 1, including a water inlet device 1 for water to be treated provided with a high pressure pump (for applying a certain pressure to the water to be treated before entering a reverse osmosis water treatment device 2), a reverse osmosis membrane structure 10 (reverse osmosis membrane can be selected as required, such as cellulose acetate membrane, polyamide membrane, and some composite membranes) provided inside the water inlet device 1, wherein the reverse osmosis water treatment device 2 is not a point of improvement, the membrane structure capable of performing reverse osmosis water treatment can be selected), a purified water tank 5 and a concentrated water tank 6, wherein the water inlet device 1 for water to be treated is communicated with the water inlet end of the reverse osmosis water treatment device 2 through a reverse osmosis water inlet pipe 9, the purified water prepared by the reverse osmosis water treatment device 2 is conveyed to the purified water tank 5 through a reverse osmosis water outlet pipe 11, and the reverse osmosis water treatment device 2 conveys reverse osmosis concentrated water to the reverse osmosis water tank 6 through a reverse osmosis water outlet pipe 12 (the concentrated water in the concentrated water tank 6 can be further treated Not in the scope of the improvement of the utility model); the reverse osmosis water purifier also comprises a back pressure prevention device, wherein the back pressure prevention device is arranged on the reverse osmosis water purification outlet pipe 11, and comprises a pneumatic three-way reversing valve 3 (various three-way reversing valves can all realize the technical scheme of the utility model, preferably a pneumatic three-way reversing valve, the utility model mainly utilizes the instant reversing function of the three-way reversing valve) and a check valve 4, the pneumatic three-way reversing valve 3 is close to the reverse osmosis water treatment device 2, and the check valve 4 is far away from the reverse osmosis water treatment device 2; the reverse osmosis water treatment system also comprises a cleaning device for cleaning the reverse osmosis water treatment device 2, as shown in fig. 3, the cleaning device comprises a cleaning water standby water tank 7, the outer wall of the cleaning water standby water tank 7 is provided with a cleaning water first inlet pipe 14, a cleaning water second inlet pipe 13, a first feed pipe 17, a second feed pipe 18 and a drain pipe 19 which are communicated with the outside, the first feed pipe 17 and the second feed pipe 18 are used for adding materials such as some acid or alkali or purified water which are required to clean the reverse osmosis membrane and the reverse osmosis water treatment device 2 into the cleaning water standby water tank 7, wherein the second feed pipe 18 is communicated with the purified water tank 5, and the cleaning water first inlet pipe 14 is communicated with the water inlet device 1 to be treated; the shell of the reverse osmosis water treatment device 2 is of a double-layer structure with an interlayer 20, as shown in fig. 2, a cleaning water conveying pipeline is arranged in the interlayer 20, the cleaning water conveying pipeline is communicated with a spray washing head 15 which penetrates through the interlayer 20 and extends into the reverse osmosis water treatment device 2 through a branch pipeline, and the cleaning water conveying pipeline is also communicated with a cleaning water standby water tank 7 through a cleaning water second water inlet pipe 13; the high-pressure pump in the water inlet device 1 for water to be treated is linked with the pneumatic three-way reversing valve 3, and the high-pressure pump and the pneumatic three-way reversing valve can be started in a linked manner in an electromagnetic or other mode; because the inner wall of the reverse osmosis water treatment device 2 is always in a high-salt environment and can use some solutions such as acid or alkali and the like during cleaning, the inner wall material is preferably an acid-resistant and alkali-resistant material, or the inner wall is coated with a layer of acid-resistant and alkali-resistant coating, so that the service life of the device is prolonged.
Preferably, the reverse osmosis water treatment device 2 is also provided with an observation window 8 for observing the internal operation condition; the spray washing head 15 is preferably a high-pressure spray head and is uniformly distributed on the inner wall of the reverse osmosis water treatment device 2; a stirring shaft 16 (used for uniformly stirring and mixing raw materials when preparing cleaning water) communicated with an external driving motor is preferably arranged in the cleaning water preparation tank 7; preferably, the second cleaning water inlet pipe 13, the first cleaning water inlet pipe 14 and the second feeding pipe 18 are all provided with valves for adjusting flow; and water quality detectors (for detecting the water quality condition and accurately preparing the cleaning water) are arranged in the water purifying tank 5 and the cleaning water preparing tank 7.
When the device is used, whether each switch and each valve can be normally opened or not is firstly checked, then the relevant cleaning devices and the valves are adjusted to be in a closed state, the high-pressure pump in the water inlet device 1 for water to be treated is started to prepare for water inlet into the reverse osmosis water treatment device 2, the pneumatic three-way reversing valve 3 is started in a linkage manner while the high-pressure pump is started, meanwhile, the check valve is adjusted to enable the water production channel to be in a communicated state, the reverse osmosis concentrated water outlet pipe is in a closed state, and the water to be treated can be continuously introduced for reverse osmosis water production. When reverse osmosis water is produced, the reverse osmosis water inlet pipe 9 has pressure generated by the operation of a high-pressure pump, and the pressure is always greater than the pressure value on the reverse osmosis water purification water outlet pipe 11, so that the reverse osmosis water production back pressure condition can not exist when reverse osmosis is started and operated; when reverse osmosis stops, and when the high-pressure pump stops, pneumatic three-way reversing valve 3 stops, the check valve closes, guarantees that reverse osmosis water purification outlet pipe 11 is the nonconducting state, and reverse osmosis dense water outlet pipe 12 opens simultaneously and carries out the drainage for there can not be the backpressure destruction, even the check valve closes not tightly, because pneumatic three-way reversing valve 3 has commuted, makes pressure still can discharge to safe pressure automatically, has consequently guaranteed that reverse osmosis all can not have the backpressure destruction when starting, operation system water, shut down.
When reverse osmosis needs to be cleaned after running for a period of time, the inner walls of the reverse osmosis membrane and the reverse osmosis water treatment device 2 need to be cleaned, proper types of clean water can be selected according to the characteristics of the reverse osmosis membrane, required clean water preparation raw materials (acid or alkali and the like) are added into the clean water standby water tank 7 through the first feed pipe, purified water prepared by reverse osmosis is added into the clean water standby water tank 7 through the second feed pipe, the stirring shaft 16 is started to stir, then the clean water is conveyed into the reverse osmosis water treatment device 2 through the clean water second water inlet pipe 13 and the clean water first water inlet pipe 14, the high-salt side of the reverse osmosis membrane and the inner wall of the reverse osmosis water treatment device 2 can be thoroughly cleaned through the spray cleaning head 15, and the cleaned water can be discharged through the reverse osmosis concentrated water outlet pipe 12. If the device is not used for a long time, reverse osmosis membrane preservation solution can be prepared and is led into the reverse osmosis water treatment device 2, and the reverse osmosis membrane is protected.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (6)
1. A reverse osmosis water treatment system comprises a water inlet device (1) of water to be treated provided with a high-pressure pump, a reverse osmosis water treatment device (2) with a reverse osmosis membrane structure (10) inside, a water purification tank (5) and a concentrated water tank (6), wherein the water inlet device (1) of the water to be treated is communicated with the water inlet end of the reverse osmosis water treatment device (2) through a reverse osmosis water inlet pipe (9), the reverse osmosis water treatment device (2) conveys the prepared purified water to the water purification tank (5) through a reverse osmosis water purification water outlet pipe (11), and the reverse osmosis water treatment device (2) conveys the reverse osmosis concentrated water to the concentrated water tank (6) through a reverse osmosis concentrated water outlet pipe (12); the reverse osmosis water purifier is characterized in that the reverse osmosis water purifier is arranged on a reverse osmosis water purification outlet pipe (11), the reverse osmosis water purifier comprises a pneumatic three-way reversing valve (3) and a check valve (4), the pneumatic three-way reversing valve (3) is close to the reverse osmosis water treatment device (2), and the check valve (4) is far away from the reverse osmosis water treatment device (2); the reverse osmosis water treatment system also comprises a cleaning device for cleaning the reverse osmosis water treatment device (2), wherein the cleaning device comprises a cleaning water standby water tank (7), the outer wall of the cleaning water standby water tank (7) is provided with a cleaning water first inlet pipe (14), a cleaning water second inlet pipe (13), a first feed pipe (17), a second feed pipe (18) and a drain pipe (19), the cleaning water first inlet pipe (14) is communicated with the outside, the second feed pipe (18) is communicated with the purified water tank (5), and the cleaning water first inlet pipe (14) is communicated with the water inlet device (1) to be treated; the shell of the reverse osmosis water treatment device (2) is of a double-layer structure with an interlayer (20), a cleaning water conveying pipeline is arranged in the interlayer (20), the cleaning water conveying pipeline is communicated with a spray head (15) which penetrates through the interlayer (20) and extends into the reverse osmosis water treatment device (2) through a branch pipeline, and the cleaning water conveying pipeline is also communicated with a cleaning water standby water tank (7) through a cleaning water second water inlet pipe (13); and a high-pressure pump in the water inlet device (1) for water to be treated is linked with a pneumatic three-way reversing valve (3).
2. The reverse osmosis water treatment system according to claim 1, wherein the reverse osmosis water treatment device (2) is further provided with an observation window (8) for observing the internal operation condition.
3. The reverse osmosis water treatment system according to claim 1, wherein the spray heads (15) are high pressure spray heads and are uniformly distributed on the inner wall of the reverse osmosis water treatment device (2).
4. A reverse osmosis water treatment system according to claim 1, wherein the cleaning water preparation tank (7) is provided with a stirring shaft (16) communicating with an external driving motor.
5. The reverse osmosis water treatment system according to claim 1, wherein the second inlet pipe (13) for cleaning water, the first inlet pipe (14) for cleaning water and the second filling pipe (18) are provided with valves for regulating flow.
6. A reverse osmosis water treatment system according to claim 1, wherein water quality detectors are provided in both the clean water tank (5) and the clean water reserve tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922466262.8U CN211813579U (en) | 2019-12-31 | 2019-12-31 | Reverse osmosis water treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922466262.8U CN211813579U (en) | 2019-12-31 | 2019-12-31 | Reverse osmosis water treatment system |
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| CN211813579U true CN211813579U (en) | 2020-10-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114681993A (en) * | 2022-06-02 | 2022-07-01 | 江苏云天新材料制造有限公司 | Tangential flow self-cleaning wastewater filtering treatment device |
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2019
- 2019-12-31 CN CN201922466262.8U patent/CN211813579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114681993A (en) * | 2022-06-02 | 2022-07-01 | 江苏云天新材料制造有限公司 | Tangential flow self-cleaning wastewater filtering treatment device |
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Address after: 050000 room 5-1-2202, block B, office building 1, Changjiang Road, No. 319, Xiangjiang Road, high tech Zone, Shijiazhuang, Hebei Province Patentee after: Fred Environmental Technology Co.,Ltd. Address before: 050000 room 103, office building, No. 238 Xiangjiang Road, high tech Zone, Shijiazhuang City, Hebei Province Patentee before: Hebei fried Environmental Technology Co.,Ltd. |
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