Ceramic membrane backwashing device

Abstract

The utility model discloses a ceramic membrane backwashing device which comprises a bottom table, the top of the bottom table is fixedly connected with a cleaning cylinder, the inner wall of the cleaning cylinder is fixedly provided with an annular spraying cylinder with a water inlet pipe, the top of the cleaning cylinder is connected with a locking assembly, the surface of the locking assembly is connected with an upper sealing cover with a water inlet pipe, and the upper sealing cover is provided with a water outlet pipe. A washing disc is fixedly installed on the inner wall of the upper sealing cover, a driving motor is fixedly installed at the bottom of the inner wall of the bottom table, and the output end of the driving motor is fixedly connected with a rotating table. Through the matching of the structures, a relatively sealed environment is formed by arranging the cleaning cylinder and the upper sealing cover which is detachable above the cleaning cylinder, and the flushing operation in different directions is carried out by adding the flushing disc and the annular spraying cylinder; and then, the ceramic membrane controlled by the driver is subjected to backwashing operation combining upward flushing and side flushing and subsequent soaking decontamination treatment effects, so that the cleaning efficiency of the ceramic membrane is indirectly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic membrane treatment, in particular to a ceramic membrane backwashing device. Background Art

[0002] Ceramic membranes have been widely used in many fields such as food, beverage, deep processing, biomedicine, fermentation, fine chemicals, etc. due to their excellent high separation efficiency, high temperature resistance, solvent resistance, anti-microbial, acid and alkali resistance, high mechanical strength, easy cleaning and regeneration.

[0003] For example, a ceramic membrane backwashing device with patent publication number CN202222954172.5 belongs to the field of ceramic membrane technology. It aims at the problems of slow membrane flux recovery speed, high energy consumption and incomplete membrane flux recovery in the existing cleaning method when restoring the membrane flux of the ceramic membrane. The device comprises a bottom plate, a flushing cylinder is fixed on the top side of the bottom plate, a liquid passage cavity connected to the end of the delivery pipe away from the delivery pump is opened in the side wall of the flushing cylinder, a plurality of equally spaced liquid spray holes are opened on the inner side wall of the liquid passage cavity, and a fixing mechanism is arranged on the top of the flushing cylinder;

[0004] Since the above-mentioned backwashing device performs backwashing operations from the outside to the inside, the ceramic membrane is in a fixed state during the backwashing process, resulting in limited effect of continuous flushing, and the ceramic membrane may be damaged if it accidentally falls during the magnetic attraction process, which brings certain adverse effects to actual use, and therefore needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a ceramic membrane backwashing device, which has a relatively sealed environment formed by arranging a cleaning cylinder and a detachable upper cover, adds a flushing plate and an annular spray cylinder to perform flushing operations in different directions, and then the ceramic membrane controlled by the drive performs a backwashing operation combining upward and side flushing and subsequent immersion decontamination treatment effect, which indirectly improves the cleaning efficiency of the ceramic membrane, brings certain favorable effects on actual use, and solves the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ceramic membrane backwashing device, comprising a base, a cleaning cylinder is fixedly connected to the top of the base, an annular spray cylinder with a water inlet pipe is fixedly installed on the inner wall of the cleaning cylinder, a locking assembly is connected to the top of the cleaning cylinder, an upper cover with a water inlet pipe is connected to the surface of the locking assembly, a flushing disk is fixedly installed on the inner wall of the upper cover, a driving motor is fixedly installed on the bottom of the inner wall of the base, the output end of the driving motor is fixedly connected to a rotating table, and a shock absorber is fixedly connected to the top of the rotating table The top of the shock absorber is fixedly connected with a buffer receiving plate, the top of the buffer receiving plate is fixedly connected with a rubber pad, the surface of the rotating table close to its circumference is fixedly connected with an internal threaded sleeve, the inner wall of the internal threaded sleeve is threadedly connected with a positioning screw, a waterproof electric cylinder is fixedly installed on the surface of the positioning screw, one end of the waterproof electric cylinder is fixedly installed with a support plate, the surface of the support plate is clamped with an abutting clamping plate, the surface of the abutting clamping plate is fixedly connected with an anti-slip cushion plate, and the bottom of the cleaning cylinder is fixedly connected with a drain pipe with an electric control valve.

[0007] Preferably, a sealing sleeve is fixedly connected to the side surface of the cleaning cylinder close to the top thereof, and the inner wall of the sealing sleeve is snap-fitted and adapted to the surface of the upper sealing cover.

[0008] Preferably, an inner groove is provided on the cleaning cylinder near the top of the inner wall thereof, and a water level sensor is fixedly mounted on the inner wall of the inner groove.

[0009] Preferably, the locking assembly includes a locking rod and a locking slot, the locking rod is fixedly connected to the bottom of the upper cover, the locking slot is opened on the top of the cleaning cylinder, and the inner wall of the locking slot and the surface of the locking rod are snap-fitted and adapted.

[0010] Preferably, the overall shape of the flushing plate is a truncated cone, a vertical spray gun is fixedly installed on the surface of the flushing plate close to its circumference, and an inclined spray gun is fixedly connected to the middle of the flushing plate close to its inner wall.

[0011] Preferably, a guide round pedestal seat is fixedly connected to the bottom of the inner wall of the cleaning cylinder, and the surface of the guide round pedestal seat is formed into a smooth surface.

[0012] Preferably, a waterproof stretch sleeve is fixedly connected between the surface of the top of the rotating table and the surface of the bottom of the buffer receiving plate, and the interior of the waterproof stretch sleeve is sleeved on the exterior of the shock absorber.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the ceramic membrane can be placed stably inside the cleaning cylinder. According to the size and width of the ceramic membrane, the operation and extension of the waterproof electric cylinder can be controlled and adjusted, thereby driving the support plate and the abutting clamping plate to move toward the center of the rotating table. The movement of the abutting clamping plates at the front, back, left, and right sides can support and clamp the ceramic membrane from the side bottom. Under the action of the anti-slip soft pad, the wear of the ceramic membrane after clamping is reduced, and the placement and clamping constraint of the ceramic membrane are completed;

[0015] 2. In the utility model, the upper cover is connected to the cleaning cylinder by the provided locking rod and locking slot, and a sealing sleeve is added to be able to be sleeved and sealed to connect the upper cover, and the vertical spray gun and the inclined spray gun in the flushing plate can be operated first to flush the ceramic membrane from above, and the impurities at the ceramic membrane are preliminarily cleaned, and the direction of the water spray is switched, that is, the operation of the annular spray cylinder can use the water inlet pipe to supply water to backwash the ceramic membrane, and at the same time, the operation of the driving motor can control the rotation of the rotating table, and the operation of the rotating table can drive the ceramic membrane on it to rotate, so as to complete the first upper flushing of the ceramic membrane and the backwashing operation from the outside to the inside, and the water level sensor in the inner groove senses the water level height of the immersion, and then the ceramic membrane is decontaminated by immersion. When secondary cleaning is required, the water in the electric control valve of the drain pipe can be discharged, so as to realize the backwashing operation of the ceramic membrane combined with the upper flushing and side flushing and the subsequent immersion decontamination treatment effect;

[0016] 3. In the utility model, if the ceramic membrane falls accidentally during the flushing process, it will fall to the buffer receiving plate and be buffered and unloaded by the shock absorber. The addition of the rubber cushion can play an anti-wear effect and can play a protective effect on the bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the abutting clamping plate in the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the upper cover in the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the flushing plate in the utility model;

[0022] Figure 6 It is an enlarged view of point A of the utility model;

[0023] Figure 7It is an enlarged view of point B of the present utility model.

[0024] In the figure: 1. base; 2. cleaning cylinder; 3. annular spray cylinder; 4. upper cover; 5. flushing plate; 6. driving motor; 7. rotating table; 8. shock absorber; 9. buffer receiving plate; 10. rubber cushion; 11. internal thread sleeve; 12. positioning screw; 13. waterproof electric cylinder; 14. support plate; 15. abutment clamping plate; 16. anti-skid cushion plate; 17. drain pipe; 18. sealing sleeve; 19. water level sensor; 20. locking rod; 21. locking slot; 22. vertical spray gun; 23. tilted spray gun; 24. guide round table seat; 25. waterproof stretch sleeve. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1, please refer to Figures 1 to 7 The utility model provides a technical solution: a ceramic membrane backwashing device, including a base 1, a cleaning cylinder 2 is fixedly connected to the top of the base 1, an annular spray cylinder 3 with a water inlet pipe is fixedly installed on the inner wall of the cleaning cylinder 2, a locking assembly is connected to the top of the cleaning cylinder 2, an upper cover 4 with a water inlet pipe is connected to the surface of the locking assembly, a flushing plate 5 is fixedly installed on the inner wall of the upper cover 4, a driving motor 6 is fixedly installed at the bottom of the inner wall of the base 1, a rotating platform 7 is fixedly connected to the output end of the driving motor 6, a shock absorber 8 is fixedly connected to the top of the rotating platform 7, and the top of the shock absorber 8 is fixedly connected to the top of the shock absorber 8. A buffer receiving plate 9 is fixedly connected, a rubber pad 10 is fixedly connected to the top of the buffer receiving plate 9, an internal threaded sleeve 11 is fixedly connected to the surface of the rotating table 7 close to its circumference, a positioning screw 12 is threadedly connected to the inner wall of the internal threaded sleeve 11, a waterproof electric cylinder 13 is fixedly installed on the surface of the positioning screw 12, a support plate 14 is fixedly installed on one end of the waterproof electric cylinder 13, abutment clamping plate 15 is clamped on the surface of the support plate 14, a non-slip cushion plate 16 is fixedly connected to the surface of the abutment clamping plate 15, and a drain pipe 17 with an electric control valve is fixedly connected to the bottom of the cleaning cylinder 2.

[0027] Furthermore, a sealing sleeve 18 is fixedly connected to the side surface of the cleaning cylinder 2 near its top, and the inner wall of the sealing sleeve 18 is snap-fitted and adapted to the surface of the upper cover 4, so that the sealing sleeve 18 can be sleeved and sealed to the upper cover 4, thereby achieving a sealed wrapping effect. A guide truncated pedestal seat 24 is fixedly connected to the bottom of the inner wall of the cleaning cylinder 2, and the surface of the guide truncated pedestal seat 24 is formed into a smooth surface, which can achieve the effect of diverting and discharging sewage under the action of the guide truncated pedestal seat 24.

[0028] Furthermore, an inner groove is provided on the cleaning cylinder 2 near the top of its inner wall, and a water level sensor 19 is fixedly installed on the inner wall of the inner groove, and the water level sensor 19 in the inner groove senses the water level in the soaked cleaning cylinder 2. A waterproof stretch sleeve 25 is fixedly connected between the surface of the top of the rotating table 7 and the surface of the bottom of the buffer receiving plate 9, and the interior of the waterproof stretch sleeve 25 is sleeved on the outside of the shock absorber 8, and the waterproof stretch sleeve 25 can provide waterproof protection for the shock absorber 8 inside.

[0029] Furthermore, the locking assembly includes a locking rod 20 and a locking slot 21, wherein the locking rod 20 is fixedly connected to the bottom of the upper cover 4, and the locking slot 21 is opened on the top of the cleaning cylinder 2. The inner wall of the locking slot 21 and the surface of the locking rod 20 are snap-fitted and adapted, and the locking rod 20 and the locking slot 21 are used to connect the upper cover 4 to the cleaning cylinder 2, and the upper cover 4 is subsequently removed and taken out.

[0030] Example 2, please refer to Figures 1 to 7 The difference between this embodiment and embodiment 1 is that the overall shape of the flushing plate 5 is truncated cone-shaped, a vertical spray gun 22 is fixedly installed on the flushing plate 5 near its circumferential surface, and an inclined spray gun 23 is fixedly connected to the flushing plate 5 near the middle of its inner wall. The vertical spray gun 22 and the inclined spray gun 23 in the flushing plate 5 are operated to flush the ceramic membrane from above to preliminarily clean the impurities on the ceramic membrane.

[0031] Working principle: When the ceramic membrane backwashing device is in use, the staff can place the ceramic membrane part in the opened cleaning barrel 2. According to the size and width of the ceramic membrane part, the operation extension and retraction of the waterproof electric cylinder 13 can be controlled and adjusted, thereby driving the support plate 14 and the abutment clamping plate 15 to move toward the center of the rotating table 7. The movement of the abutment clamping plates 15 in the front, back, left and right directions can support and clamp the ceramic membrane part from the side bottom. Under the action of the anti-slip soft pad 16, the wear of the ceramic membrane part after clamping is reduced. After the ceramic membrane part is placed, the locking rod 20 and the locking slot 21 can be used to connect the upper cover 4 to the cleaning barrel 2. The sealing sleeve 18 is added to be able to be sleeved and sealed to connect the upper cover 4. The vertical spray gun 22 and the inclined spray gun 23 in the flushing tray 5 can be operated first to flush the ceramic membrane part from above for preliminary cleaning. The impurities on the ceramic membrane are processed, and the direction of water spraying is switched, that is, the annular spray cylinder 3 can use the water inlet pipe to supply water to backwash the ceramic membrane. At the same time, the driving motor 6 can control the rotating table 7 to rotate, and the rotating table 7 can drive the ceramic membrane on it to rotate, so as to complete the first upward flushing of the ceramic membrane and the backwashing operation from the outside to the inside. The water level sensor 19 in the inner groove senses the water level height of the immersion, and then the ceramic membrane is decontaminated by immersion. When secondary cleaning is required, the water in the electric control valve of the drain pipe 17 can be discharged. If the ceramic membrane accidentally falls during the flushing process, it will fall to the buffer receiving plate 9 and be buffered and unloaded by the shock absorber 8. The addition of the rubber pad 10 can play an anti-wear effect, thereby realizing the backwashing operation of the ceramic membrane combined with the upward flushing and side flushing and the subsequent immersion decontamination treatment effect.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ceramic membrane backwashing device, comprising a base (1), the top of which is fixedly connected with a cleaning cylinder (2), characterized in that: An annular spray cylinder (3) with a water inlet pipe is fixedly mounted on the inner wall of the cleaning cylinder (2); a locking assembly is connected to the top of the cleaning cylinder (2); an upper cover (4) with a water inlet pipe is connected to the surface of the locking assembly; a flushing disc (5) is fixedly mounted on the inner wall of the upper cover (4); a driving motor (6) is fixedly mounted on the bottom of the inner wall of the base (1); an output end of the driving motor (6) is fixedly connected to a rotating platform (7); a shock absorber (8) is fixedly connected to the top of the rotating platform (7); a buffer receiving plate (9) is fixedly connected to the top of the shock absorber (8); and the top of the buffer receiving plate (9) is fixedly connected to the bottom of the inner wall of the base (1). A rubber cushion (10) is connected, an internal threaded sleeve (11) is fixedly connected to the circumferential surface of the rotating table (7), a positioning screw (12) is threadedly connected to the inner wall of the internal threaded sleeve (11), a waterproof electric cylinder (13) is fixedly installed on the surface of the positioning screw (12), a support plate (14) is fixedly installed on one end of the waterproof electric cylinder (13), a contact clamping plate (15) is clamped on the surface of the support plate (14), a non-slip cushion plate (16) is fixedly connected to the surface of the contact clamping plate (15), and a drain pipe (17) with an electric control valve is fixedly connected to the bottom of the cleaning cylinder (2).

2. A ceramic membrane backwashing device according to claim 1, characterized in that: A sealing sleeve (18) is fixedly connected to the side surface of the cleaning cylinder (2) close to the top thereof, and the inner wall of the sealing sleeve (18) is snap-fitted and matched with the surface of the upper sealing cover (4).

3. A ceramic membrane backwashing device according to claim 1, characterized in that: An inner groove is provided on the cleaning cylinder (2) near the top of its inner wall, and a water level sensor (19) is fixedly mounted on the inner wall of the inner groove.

4. A ceramic membrane backwashing device according to claim 1, characterized in that: The locking assembly comprises a locking rod (20) and a locking slot (21), wherein the locking rod (20) is fixedly connected to the bottom of the upper cover (4), and the locking slot (21) is opened on the top of the cleaning cylinder (2), and the inner wall of the locking slot (21) and the surface of the locking rod (20) are snap-fitted and matched.

5. A ceramic membrane backwashing device according to claim 1, characterized in that: The overall shape of the flushing plate (5) is a truncated cone. A vertical spray gun (22) is fixedly installed on the surface of the flushing plate (5) close to its circumference, and an inclined spray gun (23) is fixedly connected to the middle of the flushing plate (5) close to its inner wall.

6. A ceramic membrane backwashing device according to claim 1, characterized in that: A guide truncated cone seat (24) is fixedly connected to the bottom of the inner wall of the cleaning cylinder (2), and the surface of the guide truncated cone seat (24) is formed into a smooth surface.

7. A ceramic membrane backwashing device according to claim 1, characterized in that: A waterproof stretch sleeve (25) is fixedly connected between the surface of the top of the rotating platform (7) and the surface of the bottom of the buffer receiving plate (9), and the interior of the waterproof stretch sleeve (25) is sleeved on the exterior of the shock absorber (8).

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