CN212151769U - Online membrane module cleaning device - Google Patents

Abstract

The utility model discloses an online membrane component cleaning device, which comprises a cleaning water tank, an MBR membrane group and an ultrasonic vibrating plate, wherein the ultrasonic vibrating plate is assembled on the inner wall of the cleaning water tank, the MBR membrane group is installed in a frame, and a grid plate is assembled on the top of the cleaning water tank in a disassembling way; the MBR membrane group upper end communicates respectively and is equipped with intake pipe and inlet tube, the frame side transversely strides and is equipped with the connecting rod, the connecting rod is kept away from the fixing base is installed to one side of frame, installs the movable rod on the fixing base, the movable rod is kept away from the one end of connecting rod is equipped with the tight support in top, and the other end of the tight support in this top offsets with wasing the water tank inner wall. The utility model discloses an ultrasonic cleaning's mode can play the effect that effectual control membrane pollutes to organic membrane and ceramic membrane, improves membrane filterability, and the position of membrane group can be stable fix inside the water tank moreover, guarantees its effectual cleaning performance.

Description

Online membrane module cleaning device

Technical Field

The utility model relates to a membrane module is upgraded and is reformed transform equipment technical field, especially relates to an online belt cleaning device of membrane module.

Background

Today, water resources are increasingly short, a Membrane Bioreactor (MBR) is a novel high-efficiency sewage treatment and recycling technology combining membrane separation and biological treatment units, and is paid attention by water treatment workers in various countries. However, in the long-term operation process, the MBR membrane module is easily polluted, which causes the membrane flux to decrease and the osmotic pressure to increase, thereby reducing the separation efficiency, affecting the stable operation of the membrane module, causing the membrane pollution to become a bottleneck problem limiting the application of the MBR, and preventing the MBR membrane module from being widely applied in practice.

In recent years, researchers have been investigating various cleaning methods for membrane fouling, including physical cleaning, chemical cleaning, biological cleaning, and electro-cleaning. Physical cleaning refers to removing contaminants from the membrane surface by mechanical means; the chemical cleaning is to add a certain proper chemical agent into water to continuously and circularly clean the membrane pollution; the biological cleaning is to remove pollutants on the surface and in the pores of the membrane by means of the biological activity of biological active agents such as microorganisms, enzymes and the like; electric cleaning relies on an electric field to reduce concentration polarization and increase membrane flux, and these cleaning methods all improve membrane flux to some extent, but have the possibility of introducing new pollutants into the system and destroying membrane materials, and cannot achieve the expected cleaning effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem that the above-mentioned exists to a certain extent, provide a membrane module online cleaning device, adopt ultrasonic cleaning's mode, can play the effect that effectual control membrane pollutes to organic membrane and ceramic membrane, improve membrane filterability, the position of membrane group can be stable fix inside the water tank moreover, guarantees its effectual cleaning performance.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an online belt cleaning device of membrane module, including wasing water tank, MBR membrane group and ultrasonic wave shake the board, the ultrasonic wave shakes the board assembly and is wasing the water tank inner wall, the MBR membrane group is installed in the frame and shakes the board parallel arrangement with the ultrasonic wave and set up inside wasing the water tank, it is equipped with the grid board to wash the dismantlement in water tank top, wash the water tank outside be equipped with ultrasonic wave shake board electric connection's supersonic generator and with this supersonic generator control connection's electrical system, MBR membrane group upper end communicates respectively and is equipped with intake pipe and inlet tube, the frame side is transversely striden and is equipped with the connecting rod, the connecting rod is kept away from the fixing base is installed to one side of frame, installs the movable rod on the fixing base, the movable rod is kept away from the one end of connecting rod.

Preferably, the fixing base indent is equipped with the draw-in groove, the movable rod is arranged in the draw-in groove, be equipped with the bolt on the fixing base, this bolt runs through fixing base and movable rod to articulate the movable rod on the fixing base, the inside bottom surface of draw-in groove and with just set firmly the fixture block to the position of the radial activity of movable rod, the lower extreme position that the fixture block is located the activity of movable rod upwards extends and is equipped with the spacing arch that offsets with the movable rod. So with the detachable assembly of movable rod on the fixing base, its dismouting of being convenient for is changed, and the movable rod can block into the fixture block when rotating and be used for the position of fixed movable rod on the fixing base simultaneously, and spacing arch can avoid the movable rod turned angle too big moreover, guarantees that its vertical washing water tank inner wall offsets the setting.

Preferably, the fixture block is sunken to form a movable groove matched with the movable rod in shape, positioning protrusions are arranged on the inner wall of the movable groove at intervals, and chamfers are arranged at two ends of each positioning protrusion to enable the positioning protrusions to be clamped into positioning grooves formed in the movable rod. So the movable rod can block into the positioning bulge when rotating the positioning groove, thereby further improving the stability of the position of the movable rod and avoiding the movable rod falling down due to self gravity.

Preferably, the positioning protrusion extends into two thirds of the position inside the positioning groove. So can guarantee the steadiness of movable rod under this cooperation size, the movable rod can be smooth and easy rotate on the fixture block moreover.

Preferably, the movable rod front end is recessed inwards to form an installation groove, the inner wall of the installation groove is provided with an internal thread, one end of the jacking support is provided with an external thread connected with the installation groove in a threaded manner and is movably assembled at the front end of the movable rod, and the other end of the jacking support is fixedly assembled with an elastic sheet which is abutted against the inner wall of the cleaning water tank. So the tight support in top passes through threaded mode be assembled between on the movable rod to be convenient for adjust the position of the tight support in top on the movable rod, make the shell fragment of front end assembly can be better with wash the water tank inner wall support tightly, guarantee the steadiness of membrane group position in wasing the water tank.

Preferably, the elastic sheet is in a shape of a Chinese character ji, and one open end of the elastic sheet faces the direction of the inner wall of the cleaning water tank. The elastic sheet with the shape has certain deformation force, so that the reaction force generated in the process of abutting can be improved, and a better stabilizing effect is achieved.

Preferably, screwing handles are distributed on the outer surface of the jacking bracket in a circumferential array manner in the direction vertical to the axis of the jacking bracket. So can be convenient for the regulation of tight support in top.

Compared with the prior art, the beneficial effects are that: the utility model adopts the ultrasonic cleaning mode, can effectively control the pollution of the membrane to the organic membrane and the ceramic membrane, improves the filterability of the membrane, furthermore, the membrane module is arranged in the frame, a tight supporting bracket which is tightly propped against the inner wall of the cleaning water tank is movably arranged on a connecting rod of the frame, after the frame is placed in the cleaning water tank, the movable rod is pulled up and the position of the propping bracket on the movable rod is adjusted to ensure that the propping bracket can be fully attached to the inner wall of the cleaning water tank, thereby make the position of membrane group can be stable fix inside the water tank, avoid receiving to lead to its position unstability under the long-term vibration, guarantee its effectual cleaning performance.

While additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a structural diagram of the membrane module on-line cleaning device of the present invention;

FIG. 2 is a structural diagram of the membrane module on-line cleaning device of the present invention;

FIG. 3 is a structural diagram of the membrane module on-line cleaning device of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Reference numerals: 1. cleaning the water tank; 2. MBR membrane group; 3. an ultrasonic vibration plate; 4. a frame; 5. an ultrasonic generator; 6. an electronic control system; 7. an air inlet pipe; 8. a water inlet pipe; 9. a connecting rod; 10. a fixed seat; 11. a movable rod; 12. tightly supporting the bracket; 13. a clamping block; 14. a limiting bulge; 15. positioning the projection; 16. a positioning groove; 17. screwing the handle; 18. a spring plate; 19. and (4) a bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The utility model discloses at the concrete implementation as follows: an on-line membrane module cleaning device as shown in fig. 1-4 comprises a cleaning water tank 1, an MBR membrane group 2 and an ultrasonic vibration plate 3, wherein the ultrasonic vibration plate 3 is assembled on the inner wall of the cleaning water tank 1, the MBR membrane group 2 is installed in a frame 4 and arranged inside the cleaning water tank 1 in parallel with the ultrasonic vibration plate 3, a grid plate is disassembled and assembled at the top of the cleaning water tank 1, an ultrasonic generator 5 electrically connected with the ultrasonic vibration plate 3 and an electric control system 6 in control connection with the ultrasonic generator 5 are arranged outside the cleaning water tank 1, the electric control system 6 effectively controls the cleaning flow, the cleaning frequency and the cleaning time of the device, ensures that membrane wires are not damaged while the membrane is cleaned, and meanwhile, the ultrasonic generator 5 adopts a numerical control ultrasonic generator and comprises a touch screen capable of displaying and adjusting various operation parameters of a power supply, and one-key operation and stopping the cleaning ultrasonic signal output, the method comprises the following steps of selecting various frequencies, setting the frequencies according to the membrane pollution degree, and combining chemical cleaning, physical cleaning and biological cleaning according to the membrane pollution degree and the membrane area;

in this embodiment, the upper end of the MBR membrane group 2 is respectively communicated with an air inlet pipe 7 and a water inlet pipe 8, the cleaning device converts an alternating current power supply into a power supply with ultrasonic frequency through an ultrasonic generator 5, the frequency range is generally 16-68kHz and can reach as high as 1000kHz, then the power supply is transmitted to the transducer through the cable, the transducer is often formed by combining a plurality of sound heads in parallel into a sound array, the electric energy is converted into the same-frequency mechanical vibration energy, the same-frequency mechanical vibration energy is transmitted to the ultrasonic vibration plate 3 in the cleaning water tank 1, an ultrasonic sound field vibrating back and forth is formed in the cleaning liquid, furthermore, a connecting rod 9 is transversely arranged on the side face of the frame 4 in a spanning mode, a fixing seat 10 is installed on one side, far away from the frame 4, of the connecting rod 9, a movable rod 11 is installed on the fixing seat 10, one end, far away from the connecting rod 9, of the movable rod 11 is provided with a jacking support 12, and the other end of the jacking support 12 abuts against the inner wall of.

Specifically, fixing base 10 indent is equipped with the draw-in groove, and movable rod 11 arranges the draw-in groove in, is equipped with bolt 19 on the fixing base 10, and this bolt 19 runs through fixing base 10 and movable rod 11 to articulate movable rod 11 on fixing base 10, the inside bottom surface of draw-in groove and with just set firmly fixture block 13 to the position of the radial activity of movable rod 11, the lower extreme position that fixture block 13 is located the activity of movable rod 11 upwards extends and is equipped with the spacing arch 14 that offsets with movable rod 11. The movable rod 11 is detachably assembled on the fixed seat 10, so that the movable rod is convenient to disassemble, assemble and replace, meanwhile, the movable rod 11 can be clamped into the fixture block 13 when rotating to fix the position of the movable rod 11 on the fixed seat 10, and the limiting bulge 14 can prevent the movable rod 11 from rotating by too large angle, so as to ensure that the movable rod 11 is vertically abutted to the inner wall of the cleaning water tank 1; furthermore, the fixture block 13 is recessed to form a movable groove matching with the shape of the movable rod 11, positioning protrusions 15 are arranged on the inner wall of the movable groove at intervals, and chamfers are arranged at two ends of each positioning protrusion 15 to enable the positioning protrusions to be clamped into positioning grooves 16 arranged on the movable rod 11. In this way, the positioning groove 16 is clamped into the positioning protrusion 15 when the movable rod 11 rotates, so that the stability of the position of the movable rod 11 is further improved, and the movable rod 11 is prevented from falling under the self gravity; screwing handles 17 are distributed on the outer surface of the jacking bracket 12 in a circumferential array manner in the direction vertical to the axis of the jacking bracket, and the screwing handles 17 are held to rotate the jacking bracket 12, so that the adjustment of the jacking bracket 12 can be facilitated.

In the present embodiment, the positioning projection 15 extends to two thirds of the position inside the positioning groove 16. So can guarantee the steadiness of movable rod 11 under this cooperation size, movable rod 11 can be smooth and easy rotate on fixture block 13 moreover, and is further, and 11 front ends of movable rod indent form the mounting groove, and this mounting groove inner wall is equipped with the internal thread, and the one end of the tight support 12 in top is equipped with the external screw thread and the movable assembly of mounting groove threaded connection at the 11 front ends of movable rod, and its other end bolt fastening is equipped with and washs the shell fragment 18 that 1 inner wall of water tank offseted. The tightly-pushing support 12 is assembled and connected on the movable rod 11 in a threaded mode, so that the position of the tightly-pushing support 12 on the movable rod 11 can be adjusted conveniently, the elastic sheet 18 assembled at the front end can be better abutted against the inner wall of the cleaning water tank 1, and the stability of the membrane module at the position in the cleaning water tank 1 is ensured; furthermore, the elastic sheet 18 is in a shape of a Chinese character ji, and one open end of the elastic sheet faces the direction of the inner wall of the cleaning water tank 1. The elastic sheet 18 with the shape has certain deformation force, so that the reaction force generated in the process of abutting can be improved, and a better stabilizing effect is achieved.

The embodiment of the utility model adopts the ultrasonic cleaning mode, can effectively control the membrane pollution effect on organic membranes and ceramic membranes, improve the membrane filterability, has high integration level, small occupied area and high automation degree, can prolong the service life of membrane components, improve the water quality and reduce the operation cost, is suitable for the reconstruction of domestic sewage treatment membrane equipment and original facilities of various scales, and further, the membrane group is arranged in the frame 4, the connecting rod 9 of the frame 4 is movably provided with the tightening support 12 which is tightly propped against the inner wall of the cleaning water tank 1, after the frame 4 is placed in the cleaning water tank 1, the movable rod 11 is pulled up and the position of the tightening support 12 on the movable rod 11 is adjusted, so that the tightening support 12 can be fully and tightly attached to the inner wall of the cleaning water tank 1, thereby the position of the membrane group can be stably fixed in the water tank, and the position instability caused by long-term vibration can be avoided, ensuring the effective cleaning effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a membrane module online cleaning device which characterized in that: the cleaning device comprises a cleaning water tank, an MBR membrane group and an ultrasonic vibration plate, wherein the ultrasonic vibration plate is assembled on the inner wall of the cleaning water tank, the MBR membrane group is installed in a frame and is arranged in the cleaning water tank in parallel with the ultrasonic vibration plate, a grid plate is disassembled and assembled at the top of the cleaning water tank, and an ultrasonic generator electrically connected with the ultrasonic vibration plate and an electric control system in control connection with the ultrasonic generator are arranged outside the cleaning water tank; the MBR membrane group upper end communicates respectively and is equipped with intake pipe and inlet tube, the frame side transversely strides and is equipped with the connecting rod, the connecting rod is kept away from the fixing base is installed to one side of frame, installs the movable rod on the fixing base, the movable rod is kept away from the one end of connecting rod is equipped with the tight support in top, and the opposite side of the tight support in this top offsets with wasing the water tank inner wall.

2. The membrane module online cleaning device according to claim 1, wherein: the fixing base indent is equipped with the draw-in groove, the movable rod is arranged in the draw-in groove, be equipped with the bolt on the fixing base, this bolt runs through fixing base and movable rod to articulate the movable rod on the fixing base, the inside bottom surface of draw-in groove and with just set firmly the fixture block to the position of the radial activity of movable rod, the fixture block is located the lower extreme position of movable rod activity and upwards extends and is equipped with the spacing arch that offsets with the movable rod.

3. The online membrane module cleaning device according to claim 2, wherein: the fixture block is sunken to form a movable groove matched with the movable rod in shape, positioning protrusions are arranged on the inner wall of the movable groove at intervals, and chamfers are arranged at two ends of each positioning protrusion to enable the positioning protrusions to be clamped into positioning grooves formed in the movable rod.

4. The online membrane module cleaning device according to claim 3, wherein: the positioning bulge extends into two thirds of the position inside the positioning groove.

5. The membrane module online cleaning device according to claim 1, wherein: the movable rod front end is recessed inwards to form an installation groove, the inner wall of the installation groove is provided with an internal thread, one end of the jacking support is provided with an external thread connected with the installation groove in a threaded manner and is movably assembled at the front end of the movable rod, and the other end of the jacking support is fixedly assembled with an elastic sheet which is abutted against the inner wall of the cleaning water tank.

6. The online membrane module cleaning device according to claim 5, wherein: the shell fragment is "nearly" style of calligraphy, and its open one end is towards wasing the water tank inner wall direction.

7. The membrane module online cleaning device according to claim 1, wherein: screwing handles are distributed on the outer surface of the jacking bracket in a circumferential array manner in the direction vertical to the axis line of the jacking bracket.

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