CN218795133U

CN218795133U - Ceramic membrane back washing device

Info

Publication number: CN218795133U
Application number: CN202222954172.5U
Authority: CN
Inventors: 冯智勇
Original assignee: Wuxi Kaiou Membrane Separation Equipment Co ltd
Current assignee: Wuxi Kaiou Membrane Separation Equipment Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-04-07
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a ceramic membrane backwashing device, which belongs to the technical field of ceramic membranes and aims at solving the problems that the existing cleaning method has low membrane flux recovery speed, high energy consumption and incomplete membrane flux recovery when recovering the membrane flux of the ceramic membrane, and comprises a bottom plate, wherein a washing barrel is fixed on the side surface of the top end of the bottom plate, a liquid through cavity communicated with one end of a conveying pipe away from a conveying pump is arranged in the side wall of the washing barrel, a plurality of liquid spraying holes distributed at equal intervals are arranged on the inner side wall of the liquid through cavity, and a fixing mechanism is arranged at the top end of the washing barrel; the utility model discloses earlier carry out the centre gripping through fixed establishment to the top of ceramic membrane fixed, take place to rock in the wash bowl when avoiding the ceramic membrane to be washed, the washing liquid of delivery pump in with the cleaning solution incasement is pumped into to lead to the liquid intracavity through the conveyer pipe, and the washing liquid is the formula of encircleing and spouts the ceramic membrane comprehensively on, carries out the backwash to the ceramic membrane, and the membrane flux of recovering the ceramic membrane is efficient, washes fully to the ceramic membrane.

Description

Ceramic membrane back washing device

Technical Field

The utility model belongs to the technical field of the ceramic membrane, concretely relates to ceramic membrane back-flush unit.

Background

Ceramic membranes have been widely used in many fields such as food, beverage, deep processing, biomedicine, fermentation, fine chemical industry, etc. because of their advantages of excellent high separation efficiency, high temperature resistance, solvent resistance, antimicrobial property, acid and alkali resistance, high mechanical strength, easy cleaning and regeneration, etc.

However, one of the main reasons that the large-scale popularization and application of porous ceramic membranes are hindered at present is that the membrane flux is sharply reduced due to the blockage of membrane pores in the use process, so that the use cost is increased. In order to solve the problem, on one hand, the surface of the porous ceramic membrane needs to be modified so that the surface can degrade certain organic matters, thereby improving the problem of membrane pore blockage caused by the organic matters in the raw material solution and prolonging the service life of the membrane, but the problem of membrane pore blockage cannot be fundamentally solved, on the other hand, the porous ceramic membrane needs to be regularly washed to recover the flux of the ceramic membrane, and the following defects exist when the ceramic membrane is washed:

(1) the traditional cleaning method is generally adopted, also called a direct cleaning method, namely, acid, alkali or other cleaning agents are added into pure water, a circulating pump is started for circular cleaning, and a penetrating fluid outlet valve needs to be closed; and opening a penetrating fluid outlet valve every 20 minutes or so, observing a penetrating fluid flowmeter, and detecting the membrane flux until the membrane flux is recovered, wherein the membrane flux recovery speed is low, the energy consumption is high, and the membrane flux recovery is not thorough.

Therefore, a ceramic membrane backwashing device is needed to solve the problems of low membrane flux recovery speed, high energy consumption and incomplete membrane flux recovery of the existing cleaning method when the membrane flux is recovered from the ceramic membrane.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ceramic membrane back washing unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ceramic membrane anti-washing unit, includes the bottom plate, be fixed with a washing section of thick bamboo on the top side of bottom plate, the interpolation of washing section of thick bamboo is equipped with the ceramic membrane, be fixed with the cleaning solution case and the delivery pump that are located washing section of thick bamboo one side on the top side of bottom plate, the input and the inside intercommunication of cleaning solution incasement of delivery pump, the output of delivery pump is fixed with the conveyer pipe, set up the logical sap cavity of the one end intercommunication of keeping away from the delivery pump with the conveyer pipe in the washing section of thick bamboo lateral wall, the inside wall that leads to the sap cavity is seted up a plurality of hydrojet holes that are the equidistance and distribute, the top of washing section of thick bamboo is provided with fixed establishment.

What need explain in the scheme, fixed establishment includes fixed plate and the bearing fixed with the top of a washing section of thick bamboo, the top of a washing section of thick bamboo is fixed with arc solid fixed splint, arc solid fixed splint one side correspondence is provided with arc movable clamp plate, threaded connection has the threaded rod on the fixed plate, arc movable clamp plate is fixed with the rotation seat on being close to the side of threaded rod, the tip of threaded rod passes through the bearing and rotates the seat rotation and be connected, the threaded rod is kept away from the one end of rotating the seat and is fixed with the joint.

It is worth further saying that a rotating handle is fixed on the side face of the joint, and a rubber sleeve is sleeved on the surface of the rotating handle.

It should be further noted that the rubber pads are fixed on the side surfaces of the arc-shaped movable clamping plates and the arc-shaped fixed clamping plates, which are close to each other, and the rubber pads are attached to the side surfaces of the arc-shaped movable clamping plates and the arc-shaped fixed clamping plates.

In a preferred embodiment, a drain pipe is fixed to the bottom end of the washing barrel, the drain pipe is communicated with the liquid through cavity, and a valve is mounted on the drain pipe.

In a preferred embodiment, the length of the rubber sleeve is equal to that of the rotating handle, and anti-slip ribs are fixed on the surface of the rubber sleeve.

Compared with the prior art, the utility model provides a pair of ceramic membrane back flush unit includes following beneficial effect at least:

(1) The washing liquid of passing through the delivery pump in with the washing liquid case is pumped into through the conveyer pipe and is led to the liquid intracavity to spout through the hydrojet hole that the equidistance distributes, the washing liquid is that the surrounding type is comprehensive spout ceramic membrane on, carries out the backwash to ceramic membrane, resumes ceramic membrane's membrane flux, washes conveniently, washes fully to ceramic membrane.

(2) The top end of the ceramic membrane is clamped and fixed through the fixing mechanism, so that the ceramic membrane is fixed, the ceramic membrane is prevented from shaking in the washing barrel when being washed, and the efficiency of ceramic membrane back washing is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure of the liquid-passing chamber of the present invention;

fig. 4 is a schematic view of the local structure of the liquid discharge tube of the present invention.

In the figure: 1. a fixing mechanism; 101. an arc-shaped movable clamping plate; 102. a rotating seat; 103. a threaded rod; 104. a joint; 105. a handle is rotated; 106. a bearing; 107. a fixing plate; 2. a base plate; 3. a washing cylinder; 4. a cleaning solution tank; 5. a delivery pump; 6. a delivery pipe; 7. a liquid discharge pipe; 8. a valve; 9. a liquid cavity is communicated; 10. a liquid ejection hole; 12. a rubber pad; 13. a ceramic membrane; 14. an arc-shaped fixed splint; 15. a rubber sleeve.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of the protection of the present invention based on the described embodiments of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a ceramic membrane backwashing device, including a bottom plate 2, a washing barrel 3 is fixed on the top side of the bottom plate 2, a ceramic membrane 13 is inserted in the washing barrel 3, a cleaning solution tank 4 and a delivery pump 5 which are positioned at one side of the washing barrel 3 are fixed on the top side of the bottom plate 2, the input end of the delivery pump 5 is communicated with the inside of the cleaning solution tank 4, the output end of the delivery pump 5 is fixed with a delivery pipe 6, a liquid through cavity 9 which is communicated with one end of the delivery pipe 6 far away from the delivery pump 5 is arranged in the side wall of the washing barrel 3, a plurality of liquid spraying holes 10 which are distributed at equal intervals are arranged on the inner side wall of the liquid through cavity 9, and a fixing mechanism 1 is arranged at the top of the washing barrel 3; when carrying out the backwash to ceramic membrane 13, earlier with ceramic membrane 13 vertical insert wash barrel 3 in, carry out the centre gripping fixed to ceramic membrane 13's top through fixed establishment 1 earlier, thereby fix ceramic membrane 13, avoid ceramic membrane 13 to take place to rock in wash barrel 3 when being washed, improve ceramic membrane 13 backwash's efficiency, start delivery pump 5 and carry out work, delivery pump 5 pumps the washing liquid in cleaning solution case 4 to logical liquid chamber 9 in through conveyer pipe 6 pumpingly, and spout through the hydrojet hole 10 of equidistance distribution, the washing liquid is the comprehensive blowout of enclosed on ceramic membrane 13, carry out the backwash to ceramic membrane 13, resume ceramic membrane 13's membrane flux, it is convenient to wash, wash fully to ceramic membrane 13.

As further shown in fig. 2 and fig. 4, it should be specifically described that the fixing mechanism 1 includes a fixing plate 107 fixed to the top end of the washing barrel 3 and a bearing 106, the top end of the washing barrel 3 is fixed with an arc-shaped fixing clamp 14, one side of the arc-shaped fixing clamp 14 is correspondingly provided with an arc-shaped moving clamp 101, the fixing plate 107 is connected with a threaded rod 103 by a thread, a rotating seat 102 is fixed on a side surface of the arc-shaped moving clamp 101 close to the threaded rod 103, an end portion of the threaded rod 103 is rotatably connected to the rotating seat 102 by the bearing 106, and a joint 104 is fixed on an end of the threaded rod 103 far away from the rotating seat 102; with the vertical back that inserts washing section of thick bamboo 3 of ceramic membrane 13, rotate joint 104, joint 104 drives threaded rod 103 rotating, threaded rod 103 drives arc removal splint 101 and removes to the direction that is close to arc solid fixed splint 14, thereby remove splint 101 and arc solid fixed splint 14 with the fixed centre gripping in arc on the top of ceramic membrane 13, thereby fix ceramic membrane 13, take place to rock when avoiding ceramic membrane 13 to be washed in washing section of thick bamboo 3, improve the efficiency of ceramic membrane 13 backflushing.

The scheme has the following working processes: when carrying out the backwash to ceramic membrane 13, earlier with ceramic membrane 13 vertical insert in the wash bowl 3, the rotary joint 104, joint 104 drives threaded rod 103 rotating, threaded rod 103 drives arc removal splint 101 and removes to the direction that is close to arc fixation splint 14, thereby with the fixed centre gripping in the top of ceramic membrane 13 between arc removal splint 101 and arc fixation splint 14, thereby fix ceramic membrane 13, avoid ceramic membrane 13 to take place to rock in wash bowl 3 when being washed, start delivery pump 5 and work, delivery pump 5 pumps the washing liquid in the cleaning solution case 4 into logical liquid chamber 9 through conveyer pipe 6 pumpingly, and spout through the hydrojet hole 10 of equidistance distribution, the washing liquid is the comprehensive blowout of enclosed on ceramic membrane 13, carry out the backwash to ceramic membrane 13, resume ceramic membrane 13's membrane flux.

According to the working process, the following steps are known: spout through the hydrojet hole 10 that the equidistance distributes, the washing liquid is that the surrounding type spouts ceramic membrane 13 comprehensively on, carry out the backwash to ceramic membrane 13, resume ceramic membrane 13's membrane flux, it is convenient to wash, wash fully to ceramic membrane 13, with the fixed centre gripping in ceramic membrane 13's top between arc removal splint 101 and arc fixed splint 14, thereby fix ceramic membrane 13, avoid ceramic membrane 13 to take place to rock in washing section of thick bamboo 3 when being washed, improve the efficiency of ceramic membrane 13 backwash.

Further as shown in fig. 2, it is worth specifically describing that a rotating handle 105 is fixed on a side surface of the joint 104, and a rubber sleeve 15 is sleeved on a surface of the rotating handle 105; when the device works, the joint 104 is driven to rotate by holding the rotating handle 105, the arm of force of the rotating handle 105 is long, and the operation is labor-saving.

Further as shown in fig. 2, it is worth concretely explaining that the rubber pads 12 are fixed on the side surfaces of the arc-shaped movable clamping plate 101 and the arc-shaped fixed clamping plate 14, which are close to each other, and the rubber pads 12 are attached to the side surfaces of the arc-shaped movable clamping plate 101 and the arc-shaped fixed clamping plate 14; during specific work, the arranged rubber pad 12 effectively improves the friction force for clamping and fixing the top end of the ceramic membrane 13 and improves the stability for clamping the ceramic membrane 13.

As further shown in fig. 1 and 4, it is worth specifically explaining that a drain pipe 7 is fixed at the bottom end of the washing cylinder 3, the drain pipe 7 is communicated with a liquid through cavity 9, and a valve 8 is installed on the drain pipe 7; during specific work, when the ceramic membrane 13 is reversely washed, the valve 8 is closed, and after the ceramic membrane 13 is washed, the valve 8 is opened to discharge waste liquid.

As further shown in fig. 2, it should be noted that the rubber sleeve 15 has a length equal to that of the handle 105, and the surface of the rubber sleeve 15 is fixed with anti-slip ribs.

To sum up: spout through the hydrojet hole 10 that the equidistance distributes, the washing liquid is the comprehensive blowout of enclosed on ceramic membrane 13, carry out the backwash to ceramic membrane 13, resume ceramic membrane 13's membrane flux, it is convenient to wash, wash fully to ceramic membrane 13, with the fixed centre gripping in top of ceramic membrane 13 between arc removal splint 101 and arc fixed splint 14, thereby fix ceramic membrane 13, it rocks in washing section of thick bamboo 3 to take place when avoiding ceramic membrane 13 to be washed, the efficiency of ceramic membrane 13 backwash is improved, drive joint 104 through gripping turning handle 105 and rotate, the turning handle 105 arm of force is longer, and is labor-saving in operation, the rubber pad 12 that sets up has effectively improved the fixed frictional force of ceramic membrane 13 top centre gripping, improve the steadiness to ceramic membrane 13 centre gripping.

The delivery pump 5 is commercially available, and the delivery pump 5 is provided with a power supply, which belongs to the mature technology in the field and is fully disclosed, so that repeated description is omitted in the specification.

Unless defined otherwise, technical or scientific terms used herein should be understood as commonly understood by one of ordinary skill in the art, and the use of the terms "comprising" or "including" and the like in the present invention is intended to mean that elements or items listed before the term encompass elements or items listed after the term and their equivalents, without excluding other elements or items, that "connected" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect, that "up", "down", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ceramic membrane back-washing unit, includes bottom plate (2), its characterized in that, be fixed with washing section of thick bamboo (3) on the top side of bottom plate (2), washing section of thick bamboo (3) interpolation is equipped with ceramic membrane (13), be fixed with cleaning solution case (4) and delivery pump (5) that are located washing section of thick bamboo (3) one side on the top side of bottom plate (2), the input and the inside intercommunication of cleaning solution case (4) of delivery pump (5), the output of delivery pump (5) is fixed with conveyer pipe (6), set up logical liquid chamber (9) of keeping away from the one end intercommunication of delivery pump (5) with conveyer pipe (6) in washing section of thick bamboo (3) lateral wall, a plurality of hydrojet holes (10) that are the equidistance and distribute are seted up to the inside wall that lead to liquid chamber (9), the top of washing section of thick bamboo (3) is provided with fixed establishment (1).

2. A ceramic membrane backwashing device according to claim 1, wherein the fixing mechanism (1) comprises a fixing plate (107) and a bearing (106) fixed to the top end of the washing barrel (3), an arc-shaped fixing clamp plate (14) is fixed to the top end of the washing barrel (3), an arc-shaped moving clamp plate (101) is correspondingly arranged on one side of the arc-shaped fixing clamp plate (14), a threaded rod (103) is connected to the fixing plate (107) in a threaded manner, a rotating seat (102) is fixed to the side surface of the arc-shaped moving clamp plate (101) close to the threaded rod (103), the end portion of the threaded rod (103) is rotatably connected to the rotating seat (102) through the bearing (106), and a joint (104) is fixed to the end of the threaded rod (103) far from the rotating seat (102).

3. A ceramic membrane backwash assembly as claimed in claim 2, wherein a stem (105) is fixed to the side of the connection (104), and a rubber sleeve (15) is fitted over the surface of the stem (105).

4. A ceramic membrane backwash device as claimed in claim 2, wherein the sides of the arc-shaped movable clamping plates (101) and the arc-shaped fixed clamping plates (14) adjacent to each other are fixed with rubber pads (12), and the rubber pads (12) are attached to the sides of the arc-shaped movable clamping plates (101) and the arc-shaped fixed clamping plates (14).

5. A ceramic membrane backwash device as claimed in claim 1, wherein a drain (7) is fixed to the bottom end of the washing drum (3), said drain (7) being in communication with the fluid passage chamber (9), said drain (7) being fitted with a valve (8).

6. A ceramic membrane backwash device as claimed in claim 3, wherein the rubber sleeve (15) has a length equal to the length of the handle (105), and the surface of the rubber sleeve (15) is fixed with anti-slip ribs.