CN214327208U - Reverse osmosis filter - Google Patents
Reverse osmosis filter Download PDFInfo
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- CN214327208U CN214327208U CN202023233575.8U CN202023233575U CN214327208U CN 214327208 U CN214327208 U CN 214327208U CN 202023233575 U CN202023233575 U CN 202023233575U CN 214327208 U CN214327208 U CN 214327208U
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Abstract
A reverse osmosis filtering device. Relates to the technical field of sewage treatment. The reverse osmosis filtering device is thorough in cleaning, high in cleaning efficiency, free of damage to reverse osmosis membrane components, and beneficial to improving filtering efficiency and prolonging service life of the filtering device. Include along sewage flow direction connect gradually the sewage case, take out dirty pump and the reverse osmosis filter unit that sets up, the reverse osmosis filter unit includes a plurality of reverse osmosis membrane subassemblies, the entry linkage water purification case of reverse osmosis filter unit, exit linkage concentrated water tank. The utility model discloses a reverse osmosis filter can effectively improve the life of membrane module, and the cleaning process can not harm the membrane module, and does not produce extra chemical waste liquid, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to reverse osmosis filter equipment.
Background
The reverse osmosis filtration technology has wide application in seawater desalination, industrial wastewater treatment and municipal sewage treatment. In actual use, the reverse osmosis membrane module is required to be periodically cleaned because dirt adheres to the reverse osmosis membrane module, even if the reverse osmosis membrane module is clogged, and the sewage treatment efficiency is lowered.
In the prior art, the reverse osmosis membrane module is mainly cleaned by pure water washing, or by introducing a combination of pure water and a chemical agent into a water inlet end of the reverse osmosis membrane module for washing. However, the cleaning method has two defects, namely, the large-particle-size pollutants blocking the membrane holes are difficult to remove, the time consumption is long and the cleaning effect is poor when the cleaning method is used for cleaning only by water, and when the cleaning method is used for cleaning by mixing water and chemical agents, the membrane component is damaged, and the service life of the reverse osmosis membrane component is shortened.
Therefore, how to realize the full cleaning of the reverse osmosis membrane module and avoid the damage to the reverse osmosis membrane module is a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provide a clean thorough, clean efficient and do not harm reverse osmosis membrane subassembly, be favorable to improving filtration efficiency and extension filter equipment life's reverse osmosis filter equipment.
The technical scheme of the utility model is that:
the reverse osmosis filtering device comprises a sewage tank, a sewage pump and a reverse osmosis filtering unit which are sequentially connected along the sewage flow direction, the reverse osmosis filtering unit comprises a plurality of reverse osmosis membrane components, the inlet of the reverse osmosis filtering unit is connected with a purified water tank, the outlet of the reverse osmosis filtering unit is connected with a concentrated water tank,
the water purification tank is also connected with a turbulent flow tank for reversely cleaning the reverse osmosis membrane component, the turbulent flow tank comprises a tank body, the tank body is provided with a water purification inlet and a water purification outlet, the water purification inlet is connected with the water purification tank, and the water purification outlet is connected with the outlet of the reverse osmosis membrane component;
the inlet of the reverse osmosis membrane component is also connected with the sewage tank;
a purified water valve is arranged between the reverse osmosis filtering unit and the purified water tank, a concentrated water valve is arranged between the reverse osmosis filtering unit and the concentrated water tank, and a cleaning backflow valve is arranged between the reverse osmosis filtering unit and the sewage tank.
Furthermore, a turbulent flow pipe is arranged in the turbulent flow box, one end of the turbulent flow pipe is opened and is used for being connected with a compressed air system, the other end of the turbulent flow pipe is provided with a hemispherical shell-shaped pipe head, and the pipe head is provided with a plurality of air holes with different apertures.
Furthermore, the number of the air holes on one side, close to the purified water outlet, of the pipe head is larger than that of the air holes on one side, close to the purified water inlet, of the pipe head.
Further, the circle center of the tube head and the center of the water purification inlet are located at the same height.
Furthermore, a pretreatment tank is arranged between the sewage tank and the sewage pumping pump.
Furthermore, the water inlet side of the sewage pumping pump is provided with a low-voltage protection switch, and the water outlet side of the sewage pumping pump is provided with a high-voltage protection switch.
The reverse osmosis filter device of the utility model can effectively remove the large particle size pollutant attached or blocked on the reverse osmosis membrane through the reverse cleaning route design of the water purifying tank, the turbulent flow tank, the reverse osmosis membrane component and the sewage tank, so that the reverse osmosis membrane can be thoroughly cleaned and the high-efficiency filtering performance can be recovered; the utility model discloses a reverse cleaning lotion is water purification and compressed air's mixture, to the damage that the membrane module produced when having avoided chemical agent to use among the conventional art, can effectively improve the life of membrane module.
Specifically, when the reverse osmosis membrane module is cleaned, a turbulent flow pipe in the turbulent flow box is used for introducing compressed air, a pipe head of the turbulent flow pipe is provided with a plurality of air holes with different directions and apertures, the air blown out from the air holes disturbs the purified water introduced from a purified water inlet of the turbulent flow box, so that the flow direction and the flow speed of the water flow are changed in multiple dimensions to reach a turbulent flow state, the purified water in the turbulent flow state is introduced into an outlet end of the reverse osmosis membrane module through a purified water outlet to perform reverse cleaning of the reverse osmosis membrane module, and cleaning water flows into a sewage tank for standby through a cleaning reflux valve; the membrane component is not damaged in the cleaning process, and extra chemical waste liquid is not generated, so that the energy is saved and the environment is protected.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic structural diagram of the turbulence box in the invention,
fig. 3 is an enlarged view of a portion a of fig. 2.
In the figure: 1-a sewage tank; 2-a pretreatment tank; 3-a sewage pump, 31-a low-voltage protection switch and 32-a high-voltage protection switch; 4-a reverse osmosis membrane module; 5-a water purifying tank; 6-concentrated water tank; 7-cleaning the pump; 8-turbulence box, 80-box, 81-purified water inlet, 82-purified water outlet, 83-turbulence pipe, 831-pipe head, 8310-air hole;
a-a clean water valve; b-a concentrate valve; c-cleaning the reflux valve;
the dashed box in fig. 1 represents a reverse osmosis filtration unit;
the arrows in fig. 2 indicate the flow direction of the purified water during washing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings 1-3.
The reverse osmosis filter device of the utility model comprises a sewage tank 1, a sewage pump 3 and a reverse osmosis filter unit which are connected in sequence along the sewage flow direction, the reverse osmosis filter unit comprises a plurality of reverse osmosis membrane components 4, the inlet of the reverse osmosis filter unit is connected with a clean water tank 5, the outlet of the reverse osmosis filter unit is connected with a concentrated water tank 6,
the water purification tank 5 is also connected with a turbulence tank 8 for reversely cleaning the reverse osmosis membrane component 4, the turbulence tank 8 comprises a tank body 80, the tank body 80 is provided with a water purification inlet 81 and a water purification outlet 82, the water purification inlet 81 is connected with the water purification tank 5, and the water purification outlet 82 is connected with the outlet of the reverse osmosis membrane component 4;
the inlet of the reverse osmosis membrane component 4 is also connected with the sewage tank 1;
a purified water valve a is arranged between the reverse osmosis filtering unit and the purified water tank 5, a concentrated water valve b is arranged between the reverse osmosis filtering unit and the concentrated water tank 6, and a cleaning reflux valve c is arranged between the reverse osmosis filtering unit and the sewage tank 1. When the reverse osmosis filter device normally operates and filters sewage, the water purification valve a and the concentrated water valve b are opened, the cleaning backflow valve c is closed, the sewage is pumped out through the sewage pumping pump 3 and enters the inlet of the reverse osmosis membrane component 4, and the purified water subjected to reverse osmosis filtration treatment is collected to the water purification tank 5 and the concentrated water is collected to the concentrated water tank 6. When the reverse osmosis membrane component 4 is cleaned, the water purification valve a and the concentrated water valve b are closed, the cleaning backflow valve c is opened, purified water is pumped out through the cleaning pump 7 and enters the turbulence tank 8, meanwhile, the compressed air system 9 sends compressed air into the turbulence tank 8, the purified water reaches the turbulence state in the turbulence tank 8 and then flows into the outlet of the reverse osmosis membrane component 4 and reversely cleans the reverse osmosis membrane, and cleaning liquid flows out through the inlet of the reverse osmosis membrane component 4 and flows into the sewage tank for standby through the cleaning backflow valve c.
Furthermore, a turbulence pipe 83 is arranged in the turbulence tank 8, one end of the turbulence pipe 83 is opened and is used for being connected with a compressed air system, a hemispherical shell-shaped pipe head 831 is arranged at the other end of the turbulence pipe 83, a plurality of air holes 8310 with different apertures are arranged on the pipe head 831, and the plurality of air holes 8310 with different orientation and apertures form multi-directional disturbance on inflowing purified water, so that the purified water reaches a turbulent flow state.
Furthermore, the number of the air holes 8310 of the pipe head 831 near the purified water outlet 82 is greater than the number of the air holes 8310 near the purified water inlet 81, so that excessive interference of the air holes 8310 in the opposite direction of the purified water flow direction is avoided, and the purified water supply efficiency is reduced.
Further, the center of the pipe head 831 and the center of the purified water inlet 81 are located at the same height, so that the purified water fed from the purified water inlet 81 is divided into an upper relatively static area and a lower relatively dynamic area; on one hand, the turbulence pipe 83 is prevented from excessively interfering the flow direction of purified water to reduce the purified water supply efficiency, and on the other hand, the purified water in the relatively quiet zone is interfered and wrapped through the synergistic effect of the collision action and the gravity action of the relatively moving zone, so that the purified water in the relatively quiet zone and the relatively moving zone are mixed with each other to form micro vortices, and finally the turbulence state conversion of the purified water is realized.
Further, a pretreatment tank 2 is arranged between the sewage tank 1 and the sewage pumping pump 3, and a filtering device is arranged in the pretreatment tank 2 and used for pre-blocking large-particle-size pollutants in sewage to avoid influencing the filtering efficiency of the reverse osmosis membrane.
Further, the side of intaking of taking out dirty pump 3 is equipped with low pressure protection switch 31, automatic disconnection when water pressure is less than the limit value, avoids taking out dirty pump 3 idle running, and the play water side of taking out dirty pump 3 is equipped with high-pressure protection switch 32, automatic disconnection when water pressure is higher than the limit value, avoids high-pressure damage reverse osmosis membrane subassembly 4, is used for reporting to the police simultaneously and reminds operating personnel to carry out reverse osmosis membrane subassembly 4's washing maintenance.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only examples disclosed in the present application, but the scope of the present disclosure is not limited thereto, and those skilled in the art should be able to change some of the technical features of the present disclosure within the scope of the present application.
Claims (6)
1. The reverse osmosis filter device comprises a sewage tank, a sewage pump and a reverse osmosis filter unit which are sequentially connected along the sewage flow direction, the reverse osmosis filter unit comprises a plurality of reverse osmosis membrane components, the inlet of the reverse osmosis filter unit is connected with a purified water tank, the outlet of the reverse osmosis filter unit is connected with a concentrated water tank, the reverse osmosis filter device is characterized in that,
the water purification tank is also connected with a turbulent flow tank for reversely cleaning the reverse osmosis membrane component, the turbulent flow tank comprises a tank body, the tank body is provided with a water purification inlet and a water purification outlet, the water purification inlet is connected with the water purification tank, and the water purification outlet is connected with the outlet of the reverse osmosis membrane component;
the inlet of the reverse osmosis membrane component is also connected with the sewage tank;
a purified water valve is arranged between the reverse osmosis filtering unit and the purified water tank, a concentrated water valve is arranged between the reverse osmosis filtering unit and the concentrated water tank, and a cleaning backflow valve is arranged between the reverse osmosis filtering unit and the sewage tank.
2. The reverse osmosis filtration device of claim 1, wherein a turbulence pipe is arranged in the turbulence tank, one end of the turbulence pipe is open and is used for connecting a compressed air system, the other end of the turbulence pipe is provided with a hemispherical shell-shaped pipe head, and the pipe head is provided with a plurality of air holes with different apertures.
3. The reverse osmosis filtration device of claim 2, wherein the number of pores on the side of the cartridge adjacent to the clean water outlet is greater than the number of pores on the side adjacent to the clean water inlet.
4. The reverse osmosis filtration device of claim 2, wherein the center of the tube head is at the same height as the center of the clean water inlet.
5. The reverse osmosis filtration device of claim 1, wherein a pre-treatment tank is further disposed between the sump tank and the sump pump.
6. The reverse osmosis filtration device of claim 1, wherein the inlet side of the sewage pump is provided with a low-pressure protection switch, and the outlet side of the sewage pump is provided with a high-pressure protection switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023233575.8U CN214327208U (en) | 2020-12-28 | 2020-12-28 | Reverse osmosis filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023233575.8U CN214327208U (en) | 2020-12-28 | 2020-12-28 | Reverse osmosis filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214327208U true CN214327208U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023233575.8U Active CN214327208U (en) | 2020-12-28 | 2020-12-28 | Reverse osmosis filter |
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| CN (1) | CN214327208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409168A (en) * | 2022-01-27 | 2022-04-29 | 淮安顺西环保科技有限公司 | Concentrated water treatment system of reverse osmosis membrane for industrial sewage |
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2020
- 2020-12-28 CN CN202023233575.8U patent/CN214327208U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409168A (en) * | 2022-01-27 | 2022-04-29 | 淮安顺西环保科技有限公司 | Concentrated water treatment system of reverse osmosis membrane for industrial sewage |
| CN114409168B (en) * | 2022-01-27 | 2023-08-15 | 淮安顺西环保科技有限公司 | Reverse osmosis membrane concentrated water treatment system applied to industrial sewage |
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