CN215693234U

CN215693234U - Reverse osmosis membrane disinfection device for water treatment

Info

Publication number: CN215693234U
Application number: CN202121986952.7U
Authority: CN
Inventors: 李中春
Original assignee: Sichuan Lin'ao Technology Co ltd
Current assignee: Sichuan Lin'ao Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-01
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a reverse osmosis membrane disinfection device for water treatment, which is used for solving the problem that the prior art can not rapidly and efficiently disinfect a reverse osmosis membrane in situ, and the structure of the device comprises: branch pipe, heating chamber, pressurized-water pipe, the both ends setting of branch pipe forms a disinfection return circuit at the reverse osmosis membrane both ends, the heating chamber is located the branch pipe outside, and the inner tube space in heating chamber is used for the burning, heats the fluid in the branch pipe through the burning, the pressurized-water pipe also sets up on the branch pipe, promotes the high temperature fluid motion in the disinfection return circuit through the piston structure up-and-down motion in the pressurized-water pipe, consequently can enough disinfect reverse osmosis membrane through fluidic high temperature, but also can wash, guarantees good result of use.

Description

Reverse osmosis membrane disinfection device for water treatment

Technical Field

The utility model belongs to the technical field of water treatment equipment, and particularly relates to a reverse osmosis membrane disinfection device for water treatment.

Background

The physical filtration method usually used in water treatment is filtration by a reverse osmosis membrane, which is an artificial semipermeable membrane having certain characteristics and made of a simulated biological semipermeable membrane, and is generally made of a high molecular material. Such as cellulose acetate membrane, aromatic polyhydrazide membrane and aromatic polyamide membrane, the diameter of the surface micropores is generally between 0.5 and 10nm, and the size of the permeability is related to the chemical structure of the membrane; the principle is that the pressure difference is used as driving force, the membrane separation operation for separating the solvent from the solution applies pressure to the feed liquid on one side of the membrane, when the pressure exceeds the osmotic pressure of the membrane, the solvent can perform reverse osmosis against the natural osmosis direction, and thus the permeated solvent, namely osmotic liquid, is obtained on the low-pressure side of the membrane; obtaining a concentrated solution at the high-pressure side, namely a concentrated solution; the reverse osmosis process is simple, and the energy consumption is low, so that the reverse osmosis is rapidly developed in 20 years. The large scale application of the method to seawater and brackish water desalination, boiler water softening and wastewater treatment, and the combination with ion exchange to produce high purity water is expanding, and the method is beginning to be used for the concentration of dairy products and fruit juice, and the separation and concentration of biochemical and biological agents.

But when carrying out water treatment, probably still contain a large amount of bacteriums in the waste water, when filtering, partial bacterium is intercepted by reverse osmosis membrane and stays on reverse osmosis membrane, and washing through the conventionality can not carry out effective disinfection, and prior art carries out high temperature disinfection after only can dismantling, and the disinfection process is wasted time and energy, and work efficiency is low excessively.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reverse osmosis membrane disinfection device for water treatment, which can carry out disinfection in situ, is more convenient to use without being disassembled and assembled and can play a certain cleaning role.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a reverse osmosis membrane degassing unit for water treatment, is including connecting the reverse osmosis membrane on the trunk line pipe, still includes: branch pipe, heating chamber, pressurized-water pipe, check valve, the both ends of branch pipe set up at the reverse osmosis membrane both ends, and branch pipe and main line pipe intercommunication position one side outwards all are provided with the switch, close the switch after, form a disinfection return circuit, the heating chamber is located outside the branch pipe, heats the fluid in the branch pipe through the burning in the heating chamber, the pressurized-water pipe also sets up on the branch pipe, through the motion of the piston structure in the pressurized-water pipe, promotes the high temperature fluid motion in the disinfection return circuit, the check valve is located the both sides of branch pipe pressurized-water pipe position.

Further, the heating chamber comprises: the inner pipe is fixed in the outer pipe, the air inlet pipe penetrates through the outer pipe, one end of the air inlet pipe is located in the inner pipe, combustible gas is introduced into the inner pipe, the igniter is installed in the inner pipe, through holes communicated with the outer pipe are evenly formed in the inner pipe, the through holes are distributed in the portion far away from the air inlet pipe, and the outer pipe is provided with an air outlet.

Furthermore, in the inner pipe, fins are arranged outside a section of branch pipe in the inner pipe.

Further, the pressurized-water pipe includes shell, drive arrangement, piston structure, connection structure, the piston structure includes: stopper rod, movable block, end ring, the axis coincidence of stopper rod and pressurized-water pipe shell, the inside of shell is provided with baffle, drive arrangement, and the baffle is perpendicular with the axis of shell to with the inside two parts that fall into of shell, wherein the one end of keeping away from the branch pipe is provided with drive arrangement, the center of baffle is provided with the through-hole that supplies the stopper rod to pass, and the stopper rod passes this through-hole and is connected with drive arrangement, drives its motion through drive arrangement, the movable block is connected with the stopper rod, is connected through connection structure between movable block and the end ring.

Furthermore, the shell of the water pressing pipe is communicated with the branch pipe, and the shell is a round pipe with the same diameter as the branch pipe.

Further, the outer ring radius of the bottom ring is the same as that of the branch pipe, and the inner ring radius is smaller than that of the movable block.

Further, the connection structure includes: the connecting strip, sliding tray, gag lever post, the sliding tray sets up on the outer loop, the one end of connecting strip is articulated with the outer fringe of movable block, and the other end is arranged in the sliding tray, the gag lever post sets up and is arranged in one of sliding tray at the connecting strip, and the gag lever post is the stub with the connecting strip vertically, card is in the sliding tray.

Furthermore, the extension line of the straight line where the sliding groove is located passes through the circle center of the ring surface.

The present invention has at least the following advantageous effects.

(1) The reverse osmosis membrane is disinfected by high-temperature hot water, and in-situ disinfection can be carried out without dismantling, so that the disinfection efficiency is greatly improved.

(2) The disinfection process is carried out through the disinfection return circuit that the branch pipe formed, and hot water can flow in reverse osmosis membrane under the effect of pressurized-water line, and reverse osmosis membrane washs simultaneously.

(3) Heating through the mode of burning, for electric heating, the cost is lower, is difficult to appear the ageing problem of circuit moreover, and life is longer.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In the drawings:

FIG. 1 schematically illustrates a schematic diagram of a reverse osmosis membrane of the prior art;

FIG. 2 schematically illustrates a use state diagram of the present invention;

FIG. 3 is a schematic view showing the structure of a heating chamber in the present invention;

FIG. 4 is a schematic view showing a piston structure in a pressurized water chamber according to the present invention;

FIG. 5 is a partially enlarged view schematically showing a connection portion of the sliding groove and the connecting bar in the present invention;

wherein the figures include the following reference numerals:

1-reverse osmosis membrane, 11-diaphragm, 2-trunk pipe, 21-switch, 3-branch pipe;

4-heating cavity, 41-air inlet pipe, 42-outer pipe, 43-inner pipe, 44-air outlet, 45-fin and 46-igniter;

5-a water pressing pipe, 51-a plug rod, 52-a movable block, 53-a bottom ring, 54-a connecting strip, 55-a sliding groove, 56-a limiting rod and 6-a one-way valve.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure; unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application; as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …, above," "overlying" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures; it will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

Examples

As shown in fig. 2, the disinfection device of reverse osmosis membrane 1 for water treatment is used for solving the problem that the prior art can not disinfect the reverse osmosis membrane 1 in situ rapidly and efficiently, and the structure of the disinfection device comprises: branch pipe 3, heating chamber 4, pressurized-water pipe 5, the both ends setting of branch pipe 3 forms a disinfection return circuit at reverse osmosis membrane 1 both ends, heating chamber 4 is located outside branch pipe 3, and the inner tube 43 space of heating chamber 4 is used for the burning, heats the fluid in branch pipe 3 through the burning, pressurized-water pipe 5 also sets up on branch pipe 3, and the piston structure up-and-down motion through in the pressurized-water pipe 5 promotes the high temperature fluid motion in the disinfection return circuit, consequently can enough disinfect reverse osmosis membrane 1 through fluidic high temperature, but also can wash, guarantees good result of use.

The reverse osmosis membrane 1 is of a cylindrical structure, as shown in fig. 1, a diaphragm 11 is tightly arranged in a cylindrical shell, two ends of the reverse osmosis membrane 1 are communicated with a main pipeline 2, and water flows through the reverse osmosis membrane 1 to be purified, which is mature in the prior art and is not described in detail.

As shown in fig. 2, branch pipe 3 is installed at the both ends of reverse osmosis membrane 1, with trunk pipe 2 intercommunication, and branch pipe 3 all is provided with switch 21 with the outside one side of trunk pipe 2 intercommunication position, and after closing switch 21, reverse osmosis membrane 1 has constituteed closed route, disinfection return circuit promptly with branch pipe 3, branch pipe 3 includes: heating chamber 4, pressurized-water pipe 5, check valve 6, heating chamber 4 is installed on branch pipe 3, heats the liquid in the branch pipe 3, pressurized-water pipe 5 and branch pipe 3 intercommunication, the inside piston structure of pressurized-water pipe 5 will follow the outside extrusion of branch pipe 3 water that gets into pressurized-water pipe 5, promote the water motion in the disinfection return circuit, check valve 6 is located the both sides of branch pipe 3 pressurized-water pipe 5 positions, guarantees that the liquid of extrusion flows to a direction.

It should be noted that: the inner wall of the branch pipe 3 provided with the heating cavity 4 is also provided with a fin 45, thereby increasing the heat exchange area and improving the heating efficiency.

As shown in fig. 3, the heating chamber 4 is fixed on the branch pipe 3, and the connection part with the branch pipe 3 is airtight, and the heating chamber 4 includes: the gas inlet pipe 41 penetrates through the outer pipe 42, one end of the gas inlet pipe 41 is located in the inner pipe 43, the other end of the gas inlet pipe 41 is communicated with an external combustible gas source, combustible gas is injected into the inner pipe 43 when the gas inlet pipe is used, the igniter 46 is installed in the inner pipe 43, the combustible gas is ignited through the igniter 46, combustion reaction is carried out in the inner pipe 43, through holes communicated with the outer cylinder are evenly formed in the inner pipe 43, the through holes are distributed in the portion, away from the gas inlet pipe 41, of the inner cylinder, gas is enabled to enter the outer pipe 42 after being fully combusted, and then the gas is discharged outwards through the gas outlet 44 in the outer pipe 42.

It should be noted that: the outer side of one section of branch pipe 3 in the inner pipe 43 is provided with the fins 45, that is to say, the inner side and the outer side of the section of branch pipe 3 are both provided with the fins 45, so that the heating efficiency can be effectively improved.

The shell and the branch pipe 3 intercommunication of pressurized-water pipe 5, the shell is the pipe the same with 3 pipe diameters of branch pipe, pressurized-water pipe 5 includes drive arrangement, piston structure, connection structure, piston structure includes: the plug rod 51, the movable block 52, the bottom ring 53, the plug rod 51 coincides with the axis of the pressurized-water pipe 5 shell, moves in the axis direction, the inside of the shell is provided with a partition board, a driving device, the partition board is perpendicular to the axis of the shell and divides the inside of the shell into two parts, wherein one end far away from the branch pipe 3 is provided with the driving device, the center of the partition board is provided with a through hole for the plug rod 51 to pass through, the plug rod 51 passes through the through hole and is connected with the driving device, the driving device drives the plug rod to move, and the driving device comprises but is not limited to: the electric push rod is not limited in the application, the movable block 52 is connected with the plug rod 51 and moves along with the movement of the plug rod 51, the outer ring radius of the bottom ring 53 is the same as that of the branch pipe 3, the inner ring radius is smaller than that of the movable block 52, and the movable block 52 is connected with the bottom ring 53 through a connecting structure.

The connection structure includes: the connecting bar 54, the sliding groove 55 and the limiting rod 56, wherein the sliding groove 55 is arranged on the outer ring, the extension line of the straight line where the sliding groove 55 is located penetrates through the center of the ring surface, one end of the connecting bar 54 is hinged with the outer edge of the movable block 52, the other end of the connecting bar is located in the sliding groove 55, the limiting rod 56 is arranged at one end, located in the sliding groove 55, of the connecting bar 54, the limiting rod 56 is a short rod perpendicular to the connecting bar 54, and due to the fact that the area of the bottom of the sliding groove 55 is larger than that of the groove opening, and the limiting rod 56 is located in the sliding groove 55, the connecting bar is prevented from being separated from the sliding groove 55 during use.

It should be noted that: only part of the movement stroke of the piston mechanism is positioned in the water pressing pipe 5, the rest part of the movement stroke of the piston mechanism is positioned in the branch pipe 3, the interior of the water pressing pipe 5 is mainly used for installing a driving device, and the movement stroke of the piston mechanism is not limited by the length of the shell of the water pressing pipe 5, so that the volume of the water pressing pipe 5 can be reduced.

Further, the power of the driving mechanism can be increased, the force of the driving mechanism for moving the plug rod 51 is improved, the pressure of hot water passing through the reverse osmosis membrane 1 is further improved, and a certain cleaning effect is additionally achieved.

Taking fig. 2 as an example, the water flow direction is from left to right, and the using process of the utility model is as follows:

first, switch 21 is closed to form a disinfection circuit; then combustible gas is introduced into the heating cavity 4 and ignited to heat the branch pipe 3; next, by activating the driving device of the water pressing pipe 5, when the plunger 51 moves downward, the movable block 52 is abutted against the bottom ring 53, the through hole of the bottom ring 53 is blocked, water is pushed downward, when the plunger 51 moves upward, the movable block 52 moves upward, the connecting bar 54 drives the bottom ring 53 to move upward, water flows through the gap between the movable block 52 and the bottom ring 53, and the water flows in the disinfection circuit by reciprocating.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a reverse osmosis membrane degassing unit for water treatment, is including connecting the reverse osmosis membrane on the trunk line pipe, its characterized in that: further comprising: branch pipe, heating chamber, pressurized-water pipe, check valve, the both ends of branch pipe set up at the reverse osmosis membrane both ends, and branch pipe and main line pipe intercommunication position one side outwards all are provided with the switch, close the switch after, form a disinfection return circuit, the heating chamber is located outside the branch pipe, heats the fluid in the branch pipe through the burning in the heating chamber, the pressurized-water pipe also sets up on the branch pipe, through the motion of the piston structure in the pressurized-water pipe, promotes the high temperature fluid motion in the disinfection return circuit, the check valve is located the both sides of branch pipe pressurized-water pipe position.

2. A reverse osmosis membrane disinfection apparatus for water treatment as claimed in claim 1, wherein: the heating chamber includes: the inner pipe is fixed in the outer pipe, the air inlet pipe penetrates through the outer pipe, one end of the air inlet pipe is located in the inner pipe, combustible gas is introduced into the inner pipe, the igniter is installed in the inner pipe, through holes communicated with the outer pipe are evenly formed in the inner pipe, the through holes are distributed in the portion far away from the air inlet pipe, and the outer pipe is provided with an air outlet.

3. A reverse osmosis membrane disinfection apparatus for water treatment as claimed in claim 2, wherein: in the inner pipe, fins are arranged on the outer side of one section of branch pipe in the inner pipe.

4. A reverse osmosis membrane disinfection apparatus for water treatment as claimed in claim 1, wherein: the pressurized-water pipe includes shell, drive arrangement, piston structure, connection structure, the piston structure includes: stopper rod, movable block, end ring, the axis coincidence of stopper rod and pressurized-water pipe shell, the inside of shell is provided with baffle, drive arrangement, and the baffle is perpendicular with the axis of shell to with the inside two parts that fall into of shell, wherein the one end of keeping away from the branch pipe is provided with drive arrangement, the center of baffle is provided with the through-hole that supplies the stopper rod to pass, and the stopper rod passes this through-hole and is connected with drive arrangement, drives its motion through drive arrangement, the movable block is connected with the stopper rod, is connected through connection structure between movable block and the end ring.

5. A reverse osmosis membrane disinfection apparatus for water treatment as claimed in claim 1, wherein: the shell of the pressurized-water pipe is communicated with the branch pipe, and the shell is a round pipe with the same diameter as the branch pipe.

6. A reverse osmosis membrane disinfection apparatus for water treatment as claimed in claim 4, wherein: the outer ring radius of the bottom ring is the same as that of the branch pipe, and the inner ring radius is smaller than that of the movable block.

7. A reverse osmosis membrane disinfection apparatus for water treatment as claimed in claim 4, wherein: the connection structure includes: the connecting strip, sliding tray, gag lever post, the sliding tray sets up on the outer loop, the one end of connecting strip is articulated with the outer fringe of movable block, and the other end is arranged in the sliding tray, the gag lever post sets up and is arranged in one of sliding tray at the connecting strip, and the gag lever post is the stub with the connecting strip vertically, card is in the sliding tray.

8. A reverse osmosis membrane disinfection apparatus for water treatment as claimed in claim 7, wherein: the extension line of the straight line where the sliding groove is located penetrates through the circle center of the ring surface.