CN216303343U

CN216303343U - Oxidation cleaning recovery device for polluted reverse osmosis membrane

Info

Publication number: CN216303343U
Application number: CN202122655255.XU
Authority: CN
Inventors: 李胜军; 尹华冬; 李庆宏
Original assignee: Guizhou Zhongwei Resources Recycling Industry Development Co ltd
Current assignee: Guizhou Zhongwei Resources Recycling Industry Development Co ltd
Priority date: 2021-10-20
Filing date: 2021-11-02
Publication date: 2022-04-15
Anticipated expiration: 2031-11-02

Abstract

The application relates to the technical field of water treatment, provides a contaminated reverse osmosis membrane oxidation washs recovery unit, includes: the device comprises a water conveying pipe, a shunt shell and reverse osmosis tanks, wherein the water conveying pipe is arranged on one side of the shunt shell, the reverse osmosis tanks are at least provided with three reverse osmosis units and arranged on the other side of the shunt shell, chlorine oxidant injection pipes are arranged on the water conveying pipe, reverse osmosis mechanisms are arranged in the reverse osmosis tanks, valve seats are arranged at one ends, close to the shunt shell, of the reverse osmosis tanks, and control valves for controlling opening and closing are arranged on the valve seats. According to the application, the chlorine-series oxidant is added in the process of reverse osmosis purification of the sewage, so that a biological membrane or a compact membrane formed by small molecules is effectively removed for decomposition, and the water yield is improved.

Description

Oxidation cleaning recovery device for polluted reverse osmosis membrane

Technical Field

The application belongs to the technical field of water treatment, and more particularly relates to an oxidation cleaning and recovery device for a polluted reverse osmosis membrane.

Background

Along with the rapid development of social economy, water treatment is more and more important, wherein dissolved salts, colloids, microorganisms, organic matters and the like in water can be rapidly and effectively removed through a reverse osmosis membrane; the system has the advantages of good water quality, low energy consumption, no pollution, simple process, simple and convenient operation and the like, the reverse osmosis membrane is an artificial semipermeable membrane with certain characteristics and made of a simulated biological semipermeable membrane, and is a core component of the reverse osmosis technology, and the principle of the reverse osmosis technology is that under the action of osmotic pressure higher than that of a solution, other substances cannot permeate the semipermeable membrane to separate the substances from water. The membrane pore diameter of the reverse osmosis membrane is very small.

However, the conventional reverse osmosis membrane is easily polluted by microorganisms and small molecular organic matters in the using process, so that the water yield is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a contaminated reverse osmosis membrane oxidation cleaning recovery device to solve the technical problem that current reverse osmosis membrane among the prior art receives microorganism and the pollution of little molecular organic matter easily in the use, causes the water yield to descend by a wide margin.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a contaminated reverse osmosis membrane oxidation cleaning recovery device, comprising: the device comprises a water conveying pipe, a shunt shell and reverse osmosis tanks, wherein the water conveying pipe is arranged on one side of the shunt shell, the reverse osmosis tanks are at least provided with three reverse osmosis units and arranged on the other side of the shunt shell, chlorine oxidant injection pipes are arranged on the water conveying pipe, reverse osmosis mechanisms are arranged in the reverse osmosis tanks, valve seats are arranged at one ends, close to the shunt shell, of the reverse osmosis tanks, and control valves for controlling opening and closing are arranged on the valve seats.

In one embodiment, a blending tank is arranged between the water delivery pipe and the divided shell.

In one embodiment, the middle part in the blending tank body is provided with a mounting seat, and a blending frame is rotatably arranged on the mounting seat.

In one embodiment, a limiting ring is arranged in the blending tank body, and the mounting seat is arranged on the limiting ring.

In one embodiment, the raceway is located the internal one end of mixing jar with the central threaded connection of mount pad, mixing frame rotates the cover and establishes on the raceway, mixing frame is last to be equipped with the blade that a plurality of equal arc distances set up.

In one embodiment, the pipe wall of the water conveying pipe in the blending tank body is provided with a plurality of first flow guide holes.

In one embodiment, a groove is formed in the mounting seat, and the blending frame is rotatably arranged in the groove.

In one embodiment, one end of the blending tank body, which is far away from the shunting shell, is detachably provided with a sealing cover.

In one embodiment, the reverse osmosis mechanism comprises a mesh barrier layer, a reverse osmosis membrane, and a flow aid layer, the mesh barrier layer and the flow aid layer being connected by the reverse osmosis membrane.

In one embodiment, a drain pipe is arranged on the axis of the reverse osmosis mechanism, one end of the drain pipe is positioned in the reverse osmosis mechanism, a plurality of second flow guide holes are formed in the pipe wall of the drain pipe, and the other end of the drain pipe extends out of the reverse osmosis tank body.

The application provides a contaminated reverse osmosis membrane oxidation cleaning recovery unit's beneficial effect lies in:

1. the chlorine-based oxidant is injected into the inner side of the mixing tank body through the chlorine-based oxidant injection pipe, so that the mixing frame is impacted by water flow to rotate on the inner side of the mounting seat when sewage enters the inner side of the mixing tank body, the sewage and the chlorine-based oxidant can be mixed quickly, and the sewage can be conveniently shunted through the shunting shell;

2. the compact membrane formed by the biological membrane or the micromolecules can be effectively decomposed under the action of the chlorine system oxidant, the water yield of the reverse osmosis membrane is improved, sewage can be purified simultaneously through the three reverse osmosis tank bodies, and the reverse osmosis mechanism can be replaced and overhauled by the other reverse osmosis tank body when the two reverse osmosis tank bodies purify the sewage.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic perspective view of an oxidation cleaning and recovering apparatus for a contaminated reverse osmosis membrane according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional structural view of an oxidation cleaning recovery device for a contaminated reverse osmosis membrane according to an embodiment of the present application;

FIG. 3 is a schematic plan view of a mixing rack in the oxidation cleaning recovery apparatus for a contaminated reverse osmosis membrane according to the embodiment of the present application;

fig. 4 is a schematic cross-sectional structural diagram of a reverse osmosis mechanism in a contaminated reverse osmosis membrane oxidation cleaning recovery device according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1. a water delivery pipe; 11. a chlorine-based oxidizing agent injection pipe; 12. a first flow guide hole; 2. a diverter housing; 3. a reverse osmosis tank body; 31. a reverse osmosis mechanism; 311. a mesh interlayer; 312. a reverse osmosis membrane; 313. a flow-assisting layer; 32. a drain pipe; 321. a second flow guide hole; 4. a valve seat; 5. a blending tank body; 51. a mounting seat; 52. a blending frame; 521. a blade; 53. a limiting ring; 54. and (7) sealing the cover.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to fig. 3, a contaminated reverse osmosis membrane oxidation cleaning recovery device provided in the embodiment of the present application will now be described. This polluted reverse osmosis membrane oxidation cleaning recovery device includes: a water delivery pipe 1, a shunt shell 2 and a reverse osmosis tank body 3. Wherein, raceway 1 locates the one side of reposition of redundant personnel casing 2, and reverse osmosis tank body 3 is provided with three at least and sets up the opposite side at reposition of redundant personnel casing 2, and reposition of redundant personnel casing 2 plays the reposition of redundant personnel effect. Wherein, the water pipe 1 is provided with a chlorine oxidant injection pipe 11 for inputting chlorine oxidant, and the chlorine oxidant is used for effectively removing a biological film or a compact film formed by small molecules for decomposition, thereby improving the water yield. A reverse osmosis mechanism 31 is arranged in each reverse osmosis tank body 3, and the reverse osmosis mechanism 31 is used for realizing water filtration; one end of each reverse osmosis tank body 3, which is close to the shunt shell 2, is provided with a valve seat 4, the valve seats 4 are provided with control valves for controlling the opening and closing of the valve seats, and the control valves can realize the independent or synchronous work of the reverse osmosis mechanisms 31 in a single reverse osmosis tank body or two or three reverse osmosis tank bodies 3 so as to replace the reverse osmosis mechanisms 31 without stopping the machine. In this embodiment, the control valve is a solenoid valve.

In this embodiment, a blending tank 5 is disposed between the water pipe 1 and the diversion shell 2, and the blending tank 5 is used to fully mix the chlorine-based oxidant with water, so as to ensure the effect of removing the biofilm or small molecules. In other embodiments, a conventional paddle mechanism or aeration mechanism may be provided within the split housing 2 to enhance mixing.

In this embodiment, a mounting seat 51 is disposed in the middle of the blending tank 5, a blending rack 52 is rotatably disposed on the mounting seat 51, and the blending rack 52 can stir water when rotating, so that the chlorine-based oxidant is fully mixed with the water.

In this embodiment, a limiting ring 53 is arranged in the blending tank body 5, the mounting seat 51 is arranged on the limiting ring 53, and the limiting ring 53 is a convex ring protruding inwards in the radial direction and used for positioning the mounting seat 51.

In this embodiment, as shown in fig. 2 and fig. 3, one end of the water pipe 1 located in the blending tank 5 is connected with the central thread of the mounting seat 51, so as to facilitate the assembly and disassembly of the water pipe 1. The blending rack 52 is rotatably sleeved on the water pipe 1, and a plurality of blades 521 arranged at equal arc distances are arranged on the blending rack 52. The mixing frame 52 is similar to a stirring paddle structure, so that water flows into the mixing tank body 5 through the water pipe 1 and then impacts the paddle 521, and the mixing frame 52 is driven to rotate, so that the mixing effect of the chlorine-series oxidant is improved.

In this embodiment, a plurality of first guiding holes 12 are formed in the wall of the water pipe 1 located in the blending tank 5, and the first guiding holes 12 are used for guiding the water in the water pipe 1 into the blending tank 5 and forming a vortex so as to impact the blades 521 to rotate the blending rack 52.

In this embodiment, the mounting seat 51 is provided with a groove, and the blending rack 52 is rotatably disposed in the groove, so that the blending rack 52 is convenient to mount.

In this embodiment, the blending tank 5 is welded on the shunting shell 2, the end of the blending tank 5 away from the shunting shell 2 is detachably provided with a sealing cover 54, and the sealing cover 54 is installed in a threaded manner, so that the installation of the flow equalizing frame is convenient.

As shown in fig. 2 and 4, in the present embodiment, the reverse osmosis mechanism 31 is a cylindrical structure, the reverse osmosis mechanism 31 includes a mesh partition layer 311, a reverse osmosis membrane 312 and a flow-assisting layer 313, and the mesh partition layer 311 and the flow-assisting layer 313 are connected through the reverse osmosis membrane 312. The mesh-shaped interlayer 311 and the flow assisting layer 313 have the function of shaping the reverse osmosis membrane 312, and both the mesh-shaped interlayer 311 and the flow assisting layer 313 are made of water permeable materials such as mesh materials or sponge materials.

In this embodiment, a drain pipe 32 is disposed on the axis of the reverse osmosis mechanism 31, one end of the drain pipe 32 is located in the reverse osmosis mechanism 31, a plurality of second flow guiding holes 321 are disposed on the pipe wall, and the other end extends out of the reverse osmosis tank 3; the second guide hole 321 is used for guiding the water filtered by the reverse osmosis mechanism 31 into the drain pipe 32 and then discharging the water out of the reverse osmosis tank 3.

In the embodiment, the chlorine-based oxidant is injected into the inner side of the blending tank body 5 through the chlorine-based oxidant injection pipe 11, so that the blending rack 52 is impacted by water flow to rotate on the inner side of the mounting seat 51 when sewage enters the inner side of the blending tank body 5, further the blending operation of the sewage and the chlorine-based oxidant can be rapidly performed, and the sewage can be conveniently split through the splitting shell 2; the compact membrane formed by the biological membrane or the micromolecules can be effectively decomposed under the action of the chlorine oxidant, the water yield of the reverse osmosis membrane 312 is improved, the three reverse osmosis tank bodies 3 are convenient for purifying sewage simultaneously, and the reverse osmosis mechanism 31 can be replaced and overhauled by the other reverse osmosis tank body 3 when the two reverse osmosis tank bodies 3 are purified.

In this embodiment, the specific working process is as follows: when in use, whether the functions of all parts are intact is checked, the water conveying pipe 1 is connected with a high-pressure water pump so as to input waste water, the whole water can be injected through the water conveying pipe 1, a chlorine system oxidant is injected into the inner side of the mixing tank body 5 through the chlorine system oxidant injection pipe 11, the inner side of the middle part of the mixing tank body 5 is provided with a limiting ring 53, the mounting seat 51 is connected with the mixing tank body 5 through the limiting ring 53, the mixing frame 52 is arranged at one side of the mounting seat 51, so that the mixing frame 52 is impacted by water flow to rotate at the inner side of the mounting seat 51 when sewage enters the inner side of the mixing tank body 5, the mixing operation of the sewage and the chlorine system oxidant can be rapidly carried out, the sewage can be conveniently shunted through the shunting shell 2, the electromagnetic valve is arranged at the inner side of the valve seat 4 so that the reverse osmosis tank body 3 can be conveniently opened and closed through the valve seat 4, the reverse osmosis mechanism 31 is arranged at the inner side of the reverse osmosis tank body 3, and the reverse osmosis mechanism 31 comprises a reverse osmosis membrane 312, a net-shaped interlayer 311 and a flow assisting layer 313, the net-shaped interlayer 311 is connected with the flow assisting layer 313 through the reverse osmosis membrane 312, reverse osmosis operation on sewage is facilitated through the reverse osmosis mechanism 31, a biological membrane or a compact membrane formed by small molecules can be effectively decomposed under the action of a chlorine oxidant, the water yield of the reverse osmosis membrane 312 is improved, the sewage is purified simultaneously through the three reverse osmosis tank bodies 3, and the reverse osmosis mechanism 31 can be replaced and overhauled by the other reverse osmosis tank body 3 while the two reverse osmosis tank bodies 3 are purified.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An oxidation cleaning recovery device for a polluted reverse osmosis membrane is characterized by comprising: the device comprises a water conveying pipe (1), a shunt shell (2) and a reverse osmosis tank body (3), wherein the water conveying pipe (1) is arranged on one side of the shunt shell (2), the reverse osmosis tank body (3) is at least provided with three parts and arranged on the other side of the shunt shell (2), a chlorine oxidant injection pipe (11) is arranged on the water conveying pipe (1), a reverse osmosis mechanism (31) is arranged in each reverse osmosis tank body (3), a valve seat (4) is arranged at one end, close to the shunt shell (2), of each reverse osmosis tank body (3), and a control valve for controlling opening and closing is arranged on the valve seat (4).

2. The apparatus for oxidative cleaning and rejuvenating of a contaminated reverse osmosis membrane according to claim 1, further comprising: a blending tank body (5) is arranged between the water delivery pipe (1) and the divided flow shell (2).

3. The apparatus for oxidative cleaning and rejuvenating of a contaminated reverse osmosis membrane according to claim 2, further comprising: the middle part in the blending tank body (5) is provided with a mounting seat (51), and a blending frame (52) is rotationally arranged on the mounting seat (51).

4. The apparatus for oxidative cleaning and rejuvenating a contaminated reverse osmosis membrane according to claim 3, wherein: be equipped with spacing ring (53) in the blending tank body (5), mount pad (51) set up on spacing ring (53).

5. The apparatus for oxidative cleaning and rejuvenating of a contaminated reverse osmosis membrane according to claim 4, wherein: one end of the water pipe (1) in the mixing tank body (5) is connected with the center thread of the mounting seat (51) in a threaded manner, the mixing frame (52) is rotatably sleeved on the water pipe (1), and a plurality of blades (521) arranged at equal arc distances are arranged on the mixing frame (52).

6. The apparatus for oxidative cleaning and rejuvenating a contaminated reverse osmosis membrane according to claim 5, wherein: the pipe wall of the water conveying pipe (1) positioned in the blending tank body (5) is provided with a plurality of first flow guide holes (12).

7. The apparatus for oxidative cleaning and rejuvenating a contaminated reverse osmosis membrane according to claim 6, further comprising: the mounting seat (51) is provided with a groove, and the blending frame (52) is rotatably arranged in the groove.

8. The apparatus for oxidative cleaning and rejuvenating of a contaminated reverse osmosis membrane according to claim 2, further comprising: the mixing tank body (5) is far away from one end of the shunting shell (2) is detachably provided with a sealing cover (54).

9. The apparatus for oxidative cleaning recovery of a contaminated reverse osmosis membrane according to any one of claims 1-8, wherein: the reverse osmosis mechanism (31) comprises a net-shaped interlayer (311), a reverse osmosis membrane (312) and a flow assisting layer (313), wherein the net-shaped interlayer (311) is connected with the flow assisting layer (313) through the reverse osmosis membrane (312).

10. The apparatus for oxidative cleaning and rejuvenating a contaminated reverse osmosis membrane according to claim 9, wherein: be equipped with on the axis of reverse osmosis mechanism (31) drain pipe (32), the one end of drain pipe (32) is located reverse osmosis mechanism (31) are interior and be equipped with a plurality of second water conservancy diversion holes (321) on the pipe wall, and the other end stretches out reverse osmosis jar body (3).