CN211988037U

CN211988037U - Tubular membrane off-line cleaning system

Info

Publication number: CN211988037U
Application number: CN202020264660.1U
Authority: CN
Inventors: 任海峰; 刘康华
Original assignee: Wuxi Qingnuo Environmental Engineering Co Ltd
Current assignee: Wuxi Qingnuo Environmental Engineering Co Ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-24
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to a tubular membrane off-line cleaning system, including the liquid reserve tank, the outside fixedly connected with ultrasonic cleaning pond of liquid reserve tank, it has water inlet, delivery port to open on the ultrasonic cleaning pond, water inlet, delivery port are connected with one-way water valve respectively, the water inlet is connected with the inlet tube, the one end and the one-way water valve intercommunication of inlet tube, the other end and liquid reserve tank intercommunication, the intercommunication has the intake pump on the inlet tube, the delivery port intercommunication has the outlet pipe, the one end and the one-way water valve intercommunication of outlet pipe, the other end and liquid reserve tank intercommunication, be equipped with the support column in the ultrasonic cleaning pond, the support column is equipped with two at least, the backup pad of fixedly connected with semicircle. The utility model discloses have the effective clean up's of the inside wall of tubular membrane effect.

Description

Tubular membrane off-line cleaning system

Technical Field

The utility model belongs to the technical field of sewage purification's technique and specifically relates to a tubular membrane off-line cleaning system is related to.

Background

The membrane separation technology is effectively applied to wastewater treatment and advanced wastewater treatment, particularly a tubular membrane, has simple requirements on pretreatment of materials and liquid, only needs a coarse grid and a fine grid to remove large-particle impurities which cannot pass through the membrane, and then can enter a unit. For treating high-concentration material and liquid with high solid matter content, the tubular membrane has remarkable capacity, is not easy to block, is not easy to generate concentration polarization, and can regulate flow rate in a large range.

At present, chinese patent publication No. CN205145996U discloses a tubular membrane cleaning system, which is characterized by comprising a liquid storage tank, cleaning particles, a cleaning pump, a tubular membrane module, a flow meter, a pressure gauge, and corresponding valves and pipelines; the liquid storage tank is divided into two parts by a separation net, the aperture of the separation net is smaller than the diameter of the cleaning particles, the cleaning particles can not pass through the separation net, and the cleaning liquid can pass through the separation net; cleaning particles are put on one side of the liquid storage tank separation net, cleaning liquid is added, the cleaning particles and the cleaning liquid are conveyed into the tubular membrane component by the cleaning pump, and then the cleaning particles flow back to one side of the liquid storage tank where the cleaning particles are added through a pipeline, so that the process of continuously cleaning or intermittently cleaning the tubular membrane by using the solid particles is realized.

The above prior art solutions have the following drawbacks: in the cleaning process, water flow washes the inner wall of the tubular membrane through the tubular membrane component, and simultaneously cleaning particles enter the tubular membrane component to remove impurities attached to the inner side wall of the tubular membrane component. Then under the action of water flow, impurities are washed off from the inner side wall of the tubular membrane component. However, for some of the smaller particles, the particles are adhered to the inner side wall of the tubular membrane module more tightly, and the particles are only cleaned, so that the particles cannot be completely cleaned.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a tubular membrane off-line cleaning system has the effect with the effective clean up of the inside wall of tubular membrane.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a tubular membrane off-line cleaning system, includes the liquid reserve tank, the outside fixedly connected with ultrasonic cleaning pond of liquid reserve tank, it has water inlet, delivery port to open on the ultrasonic cleaning pond, water inlet, delivery port are connected with one-way water valve respectively, the water inlet is connected with the inlet tube, the one end and the one-way water valve intercommunication of inlet tube, the other end and liquid reserve tank intercommunication, the intercommunication has the intake pump on the inlet tube, the delivery port intercommunication has the outlet pipe, the one end and the one-way water valve intercommunication of outlet pipe, the other end and liquid reserve tank intercommunication, the ultrasonic cleaning incasement is equipped with the support column, the support column is equipped with two at least, the backup pad of fixedly.

By adopting the technical scheme, an operator detaches the tubular membrane module from the process line, then places the tubular membrane module on the supporting plate in the ultrasonic cleaning tank, and opens the one-way water valve to feed water into the ultrasonic cleaning tank, so that the height of the water is higher than that of the tubular membrane module. And simultaneously, opening a one-way water valve on the drain pipe, feeding water and discharging water in the ultrasonic cleaning tank at the same time, and preliminarily washing impurities in the tubular membrane by flowing water flow. The one-way water valves of the water inlet and the water outlet are closed, then the switch of the ultrasonic cleaning tank is opened, and the water forms a cavitation phenomenon under the action of ultrasonic waves, so that small particle impurities on the inner side wall of the tubular membrane component are impacted.

The present invention may be further configured in a preferred embodiment as: fixedly connected with fixed column in the backup pad, the perpendicular backup pad of fixed column, sliding sleeve is equipped with the sliding block on the fixed column, fixedly connected with supports the apron on the sliding block.

By adopting the technical scheme, in order to reduce the phenomenon that the tubular membrane assembly is separated from the supporting plate, the sliding supporting cover plate is pressed on the outer side of the tubular membrane assembly, so that the stability of the tubular membrane assembly on the supporting plate is improved.

The present invention may be further configured in a preferred embodiment as: the supporting cover plate is of a semi-circular ring shape with a downward opening.

By adopting the technical scheme, the contact area between the supporting cover plate and the outer side wall of the tubular membrane assembly is increased, so that the supporting cover plate can more tightly press the tubular membrane assembly on the supporting plate.

The present invention may be further configured in a preferred embodiment as: the telescopic spring is sleeved on the fixed column in a sliding mode, a limiting block is fixedly connected to one end, far away from the supporting plate, of the fixed column, and the telescopic spring is extruded between the sliding block and the limiting block.

Through adopting above-mentioned technical scheme, under expanding spring's elasticity effect for support the apron and laminate in the backup pad closely more, thereby reduce the phenomenon of tubular membrane group price from the backup pad and support roll-off between the apron.

The present invention may be further configured in a preferred embodiment as: the lateral wall of the liquid storage tank is provided with a heater which is communicated with an external power supply through an electric wire.

Through adopting above-mentioned technical scheme, open external power source's switch, the heater heats the water in the liquid storage tank to suitable temperature, and the warm water can increase the solubility of part impurity in aqueous to be favorable to impurity to drop from tubular membrane module's inside wall.

The present invention may be further configured in a preferred embodiment as: and a cleaning agent is added in the liquid storage tank.

By adopting the technical scheme, the surfactant in the cleaning agent can increase the solubility of impurities in water, so that the impurities in the tubular membrane component can be cleaned.

The present invention may be further configured in a preferred embodiment as: the bottom of liquid storage tank is rotated and is connected with the axis of rotation, a plurality of puddlers of fixedly connected with in the axis of rotation, the below of liquid storage tank is equipped with and is used for driving axis of rotation pivoted motor.

Through adopting above-mentioned technical scheme, the motor drives the axis of rotation and rotates, and the puddler stirs liquid in to the liquid storage tank, reduces the possibility that the cleaner deposits in the liquid storage tank bottom.

The present invention may be further configured in a preferred embodiment as: and the water outlet pipe is communicated with a drainage pump.

Through adopting above-mentioned technical scheme, the washing back that finishes, opens the water pump, and the water pump can be taken the water in the ultrasonic cleaning pond out fast, improves work efficiency.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model effectively cleans the impurities attached to the inner side wall of the tubular membrane component by arranging the ultrasonic cleaning tank and utilizing the action of ultrasonic waves;

2. the utility model improves the position stability of the tubular membrane component placed on the supporting plate by arranging the supporting cover plate;

3. the utility model discloses a set up the heater, rise the temperature of water, further improve the possibility that impurity drops from tubular membrane module's inside wall.

Drawings

FIG. 1 is a schematic overall structure for embodying an embodiment;

FIG. 2 is a schematic sectional view showing an ultrasonic cleaning tank;

fig. 3 is an enlarged schematic structural view for embodying the portion a in fig. 2.

In the figure, 2, a liquid storage tank; 3. an ultrasonic cleaning pool; 4. a water inlet; 5. a water outlet; 6. a one-way water valve; 7. a water inlet pipe; 8. a water inlet pump; 9. a water outlet pipe; 10. a support pillar; 11. a support plate; 12. fixing a column; 13. a slider; 14. a support cover plate; 15. a tension spring; 16. a limiting block; 17. a heater; 18. draining pump; 19. a rotating shaft; 20. a stirring rod; 21. an electric motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1, for the utility model discloses a tubular membrane off-line cleaning system, including liquid storage tank 2. The outside welding of liquid storage tank 2 has ultrasonic cleaning pond 3.

Referring to fig. 1 and 2, a water inlet 4 and a water outlet 5 are formed in the ultrasonic cleaning tank 3, the water inlet 4 and the water outlet 5 are respectively connected with a one-way water valve 6, and the water inlet 4 is connected with a water inlet pipe 7. One end of the water inlet pipe 7 is communicated with the one-way water valve 6, the other end of the water inlet pipe is communicated with the bottom of the liquid storage tank 2, and the water inlet pipe 7 is communicated with a water inlet pump 8. The water outlet 5 is communicated with a water outlet pipe 9, one end of the water outlet pipe 9 is communicated with the one-way water valve 6, and the other end is communicated with the upper part of the liquid storage tank 2. Be equipped with support column 10 in ultrasonic cleaning pond 3, support column 10 vertical welding is in the bottom of ultrasonic cleaning pond 3, and support column 10 is provided with two. A semi-circular support plate 11 is fixedly connected to the support column 10, and the tubular membrane module is transversely placed above the two support plates 11.

Referring to fig. 2, a worker places the tubular membrane module to be cleaned above the supporting plate 11, and then opens the one-way water valve 6 to feed water into the ultrasonic cleaning tank 3 so that the water level is higher than that of the tubular membrane module. And simultaneously, opening a one-way water valve 6 on the drain pipe, wherein water flows into the ultrasonic cleaning pool 3 while water flows out, and the flowing water firstly preliminarily washes impurities in the tubular membrane component. After a period of time, the one-way water valves 6 of the water inlet 4 and the water outlet 5 are closed, then the switch of the ultrasonic cleaning tank 3 is opened, and the small particle impurities on the inner side wall of the tubular membrane component are impacted by utilizing the cavitation phenomenon of ultrasonic waves.

Referring to fig. 2 and 3, since the ultrasonic cleaning tank 3 vibrates during operation, in order to reduce the possibility that the tubular membrane assembly deviates from the support plate 11, a fixed column 12 is welded on the support plate 11, the fixed column 12 is perpendicular to the upper surface of the support plate 11, a sliding block 13 is slidably sleeved on the fixed column 12, a support cover plate 14 is fixedly connected to the sliding block 13 (the support cover plate 14 and the sliding block 13 are integrally formed), and the support cover plate 14 is in a semi-circular ring shape with a downward opening. The worker wears the supporting cover plate 14 on the fixed column 12 and adjusts the supporting cover plate 14 to rotate towards the direction far away from the supporting plate 11. The tubular membrane module is placed on the supporting plate 11, then the supporting cover plate 14 is rotated towards the direction close to the tubular membrane module, and the semi-circular supporting cover plate 14 is attached to the outer side wall of the tubular membrane module more closely.

Referring to fig. 2 and 3, in order to further enable the supporting cover plate 14 to be pressed on the outer side wall of the tubular membrane assembly more stably, an expansion spring 15 is slidably sleeved on the fixed column 12, a limit block 16 is welded at one end of the fixed column 12, which is far away from the supporting plate 11, and the expansion spring 15 is extruded between the sliding block 13 and the limit block 16. The sliding block 13 is pulled to move towards the direction close to the limit block 16, the expansion spring 15 is compressed, and the support cover plate 14 is separated from the outer side wall of the tubular membrane assembly. The sliding block 13 is loosened, the supporting cover plate 14 is pressed on the outer side wall of the tubular membrane assembly, and under the elastic force action of the telescopic spring 15, the supporting cover plate 14 is pressed on the outer side of the tubular membrane assembly more tightly, so that the position stability of the tubular membrane assembly on the supporting plate 11 is improved.

Referring to fig. 1 and 2, a part of impurities still adheres to the inner sidewall of the tubular membrane module by the ultrasonic wave, and thus a heater 17 is welded to the sidewall of the ultrasonic cleaning tank 3, and the heater 17 is connected to an external power source through a wire. The switch of the heater 17 is turned on, the heater 17 heats the water in the ultrasonic cleaning pool 3 to a proper temperature, and the warm water increases the solubility of the impurities in the water, so that the impurities can fall off from the inner side wall of the tubular membrane module 1.

Referring to fig. 2, a cleaning agent, which is a chemical surfactant, is added into the liquid reservoir 2. The bottom of the liquid storage tank 2 is rotatably connected with a rotating shaft 19 through a bearing, a plurality of stirring rods 20 are welded on the peripheral wall of the rotating shaft 19, and a motor 21 used for driving the rotating shaft 19 to rotate is arranged below the liquid storage tank 2. The cleaning agent can increase the solubility of impurities in liquid, thereby being beneficial to cleaning the impurities in the tubular membrane module.

Referring to fig. 1, after the washing, in order to quickly discharge the liquid in the ultrasonic reservoir 2, the water outlet pipe 9 is connected to a drain pump 18. The switch of the drainage pump 18 is turned on, and the drainage pump 18 quickly pumps out the water in the ultrasonic liquid storage tank 2, so that the efficiency of the subsequent cleaning work of the staff is improved.

The implementation principle of the embodiment is as follows: the worker pulls the support cover 14 to rotate away from the support plate 11 and then rotates the support cover 14 away from above the support plate 11. Thereafter, the tubular membrane module to be cleaned is placed over the support plate 11, and the support cover plate 14 is released to press the tubular membrane module. And then the switch of the water inlet pump 8 and the one-way water valve 6 of the water inlet 4 is opened, and the switch of the one-way water valve 6 of the water outlet 5 is opened at the same time, so that the tubular membrane component is cleaned while water flows. After a period of time, the switch of the ultrasonic cleaning pool 3 is opened, and impurities in the tubular membrane component are cleaned by the action of ultrasonic waves. At this time, the switch of the heater 17 is turned on to heat the water in the ultrasonic cleaning tank 3 to a desired temperature. And meanwhile, the motor 21 is started, so that the water and the cleaning agent in the liquid storage tank 2 are uniformly stirred and dispersed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A tubular membrane off-line cleaning system comprises a liquid storage tank (2), and is characterized in that: an ultrasonic cleaning tank (3) is fixedly connected with the outer side of the liquid storage tank (2), a water inlet (4) and a water outlet (5) are arranged on the ultrasonic cleaning tank (3), the water inlet (4) and the water outlet (5) are respectively connected with a one-way water valve (6), the water inlet (4) is connected with a water inlet pipe (7), one end of the water inlet pipe (7) is communicated with the one-way water valve (6), the other end is communicated with the liquid storage tank (2), the water inlet pipe (7) is communicated with a water inlet pump (8), the water outlet (5) is communicated with a water outlet pipe (9), one end of the water outlet pipe (9) is communicated with the one-way water valve (6), the other end is communicated with the liquid storage tank (2), support columns (10) are arranged in the ultrasonic cleaning pool (3), at least two support columns (10) are arranged, and a semi-circular supporting plate (11) is fixedly connected to the supporting column (10).

2. The tubular membrane off-line cleaning system of claim 1, wherein: fixedly connected with fixed column (12) on backup pad (11), fixed column (12) vertical support board (11), sliding sleeve is equipped with sliding block (13) on fixed column (12), fixedly connected with supports apron (14) on sliding block (13).

3. The tubular membrane off-line cleaning system of claim 2, wherein: the supporting cover plate (14) is of a semi-circular ring shape with a downward opening.

4. The tubular membrane off-line cleaning system of claim 3, wherein: the telescopic spring (15) is sleeved on the fixed column (12) in a sliding mode, the fixed column (12) is far away from one end of the supporting plate (11) and is fixedly connected with a limiting block (16), and the telescopic spring (15) is extruded between the sliding block (13) and the limiting block (16).

5. The tubular membrane off-line cleaning system of claim 1, wherein: the side wall of the liquid storage tank (2) is provided with a heater (17), and the heater (17) is communicated with an external power supply through an electric wire.

6. The tubular membrane off-line cleaning system of claim 1, wherein: the liquid storage tank (2) is internally provided with a cleaning agent.

7. The tubular membrane off-line cleaning system of claim 6, wherein: the bottom of liquid storage tank (2) is rotated and is connected with axis of rotation (19), a plurality of puddlers (20) of fixedly connected with are gone up in axis of rotation (19), the below of liquid storage tank (2) is equipped with and is used for driving axis of rotation (19) pivoted motor (21).

8. The tubular membrane off-line cleaning system of claim 1, wherein: the water outlet pipe (9) is communicated with a drainage pump (18).