Off-line cleaning device for sewage treatment MBR (Membrane Bioreactor) membrane

Abstract

The utility model discloses an off-line cleaning device for a sewage treatment MBR (Membrane Bioreactor) membrane, and relates to the technical field of sewage treatment. The cleaning device comprises a cleaning box, a conveying assembly is arranged in an inner cavity of the cleaning box, and a partition plate is further arranged in the inner cavity of the cleaning box; the number of the partition plates is two, an automatic cleaning assembly is arranged between the two partition plates, and the automatic cleaning assembly comprises a lead screw movably connected between the two partition plates through a bearing seat and a screw sleeve in threaded connection with the surface of the lead screw. Automatic feeding, positioning and transferring of the membrane assembly are achieved through the automatic cleaning assembly, the conveying assembly and the clamping air cylinder, the labor intensity of workers is reduced, the screw rod and the screw sleeve mechanism drive MBR membranes to move in a three-dimensional mode, 360-degree multi-angle spraying is achieved in combination with the overturning motor, the cleaning coverage rate is high, and the efficiency is high. Pollutants in membrane holes are stripped through the cavitation effect of the ultrasonic cleaning tank, surface scaling is scoured in cooperation with the high-pressure sprayer, and the MBR membrane flux recovery rate is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewage treatment technical field, especially, relate to a sewage treatment MBR membrane off line cleaning device. BACKGROUND

[0002] Membrane bioreactor (MBR) technology has become the core process in the field of sewage treatment due to its efficient solid-liquid separation capability, however, MBR membrane is prone to organic adhesion, inorganic scaling and biological pollution in long-term operation, resulting in membrane flux decline, and needs to be cleaned regularly to restore performance, the conventional method of MBR membrane cleaning includes chemical cleaning, physical cleaning (such as backwashing) and off-line cleaning.

[0003] Off-line cleaning usually needs to disassemble the membrane module, soak in cleaning agent, and clean by mechanical brushing, which has the following obvious defects: low efficiency and high labor intensity: manual disassembly, soaking and brushing of a single membrane assembly consume a long time, and the labor intensity of workers is high, and manual cleaning is not thorough, static soaking is difficult to remove internal pollutants of membrane holes, chemical agents penetrate unevenly, flux recovery rate is low, and there is no drying mechanism, resulting in the extension of the overall cleaning process time.

[0004] Therefore, we provide a sewage treatment MBR membrane off-line cleaning device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a sewage treatment MBR membrane off-line cleaning device, which solves the problems of incomplete manual cleaning, difficulty in removing internal pollutants of membrane holes and lack of rapid drying mechanism by the cooperation of the automatic cleaning assembly and the drying assembly.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme.

[0007] The utility model discloses a sewage treatment MBR membrane off -line cleaning device, including the cleaning tank, the conveying assembly is arranged in the cleaning tank inner chamber, the cleaning tank inner chamber still is provided with the partition board, the quantity of the partition board is two, and is provided with the automatic cleaning assembly between two partition boards, the automatic cleaning assembly includes the screw rod that is movably connected between two partition boards through the bearing seat, the silk cover that is connected with the screw rod surface screw, the sliding sleeve that is fixedly connected at the silk cover bottom, the sliding rod that is slidably connected with the sliding sleeve inner chamber, the support block that is fixedly connected with the sliding rod one end, the hydraulic telescopic cylinder that is fixedly connected at the support block bottom, the fixed plate that is fixedly connected with the hydraulic telescopic cylinder telescopic end, realizes MBR membrane full -automatic cleaning through the automatic cleaning assembly, the cleaning tank inner chamber still is provided with the drying assembly, the drying assembly includes the air heater that is fixedly connected in the cleaning tank inner chamber, the air cavity that is communicated with the air heater air outlet through the pipeline, the booster nozzle that is arranged in the air cavity inboard, the wastewater collection box that is placed in the cleaning tank inner chamber, carries out the quick drying of the MBR membrane of washing through the drying assembly.

[0008] The utility model further sets up, the quantity of conveying assembly is two, and two conveying assemblies are located at the both sides of cleaning tank inner chamber respectively, and two conveying assemblies realize conveying MBR membrane to the cleaning tank and conveying from the cleaning tank respectively, realize full -automatic conveying function.

[0009] The utility model further sets up, one side fixedly connected with drive motor of partition board, and drive motor output shaft penetrates partition board and is fixedly connected with one end of screw rod, the partition board one side is provided with the through slot, and two conveying assemblies realize conveying MBR membrane to the cleaning tank and conveying from the cleaning tank respectively, realize full -automatic conveying function.

[0010] The utility model further sets up, the surface of sliding sleeve is fixedly connected with servo motor through mounting block, the output shaft surface of servo motor is fixedly connected with gear, the gear surface is engaged with the toothed plate, the toothed plate is fixedly connected with the surface of sliding rod, and servo motor output shaft drives sliding rod to move through gear and toothed plate, and increases the moving stroke.

[0011] The utility model further sets up, the cleaning tank inner chamber still is provided with ultrasonic cleaning tank, one side of partition board is provided with high pressure shower, the quantity of high pressure shower is two, and the ultrasonic cleaning tank is prior art, and its main function is that high speed vibration is generated to chemical cleaning solution in ultrasonic cleaning tank, and MBR membrane immersed in chemical cleaning solution is cleaned, and immersion time is reduced, and through setting up high pressure shower, it is convenient to spray and clean dirt on the surface of MBR membrane.

[0012] The utility model further sets up, one side of fixed plate is fixedly connected with turnover motor, turnover motor output shaft penetrates fixed plate and is fixedly connected with clamping pneumatic cylinder, and turnover motor output shaft can drive clamping pneumatic cylinder 360 degree rotation, guarantee cleaning effect, and the surface of turnover motor is provided with waterproof structure to prevent water vapor damage motor internal element.

[0013] The utility model further sets up, the left side of the washing box front is provided with control box, the middle part of washing box front is provided with access door.

[0014] The utility model has following beneficial effect: through automatic cleaning subassembly, conveying subassembly and clamping pneumatic cylinder realize the automatic feeding, positioning and transfer of membrane component, reduce the labor intensity of staff, and screw rod and silk cover mechanism drive MBR film three-dimensional motion, realize 360 degree multi-angle spray in combination with turnover motor, and the cleaning coverage is high, and the cavitation effect of ultrasonic cleaning tank peels off the pollution in membrane hole, and the surface scale is washed with high pressure shower, and MBR film flux recovery rate is high, through drying assembly, frame type air cavity and booster nozzle form surrounding hot air curtain, reduce drying time, and waste water collecting tank collects waste water, avoids waste water secondary pollution environment.

[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to introduce the drawing briefly to the embodiment.

[0017] Figure 1 It is a kind of sewage treatment MBR membrane offline cleaning device's perspective view.

[0018] Figure 2 It is a kind of sewage treatment MBR membrane offline cleaning device's main view section view.

[0019] Figure 3 It is a kind of sewage treatment MBR membrane offline cleaning device's perspective view of screw rod and silk cover.

[0020] Figure 4 It is a kind of sewage treatment MBR membrane offline cleaning device's perspective view of gear and tooth plate.

[0021] Figure 5 It is a kind of sewage treatment MBR membrane offline cleaning device's perspective view of partition plate.

[0022] In the drawings: 1, cleaning box; 2, conveying assembly; 3, partition plate; 4, lead screw; 5, lead sleeve; 6, sliding sleeve; 7, sliding rod; 8, supporting block; 9, hydraulic telescopic cylinder; 10, fixed plate; 11, hot air blower; 12, air cavity; 13, pressurized spray pipe; 14, waste water collecting box; 15, driving motor; 16, servo motor; 17, gear; 18, gear plate; 19, ultrasonic cleaning tank; 20, high-pressure sprayer; 21, overturning motor; 22, clamping air cylinder; 23, access door; 24, through slot. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, not all of the embodiments.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 The utility model discloses a kind of sewage treatment MBR membrane offline cleaning devices, including cleaning box 1, conveying assembly 2 is arranged in the cavity of cleaning box 1, the cavity of cleaning box 1 is also provided with partition plate 3;The number of partition plate 3 is two, and automatic cleaning assembly is arranged between the two partition plate 3, and the automatic cleaning assembly includes lead screw 4 movably connected between the two partition plate 3 by bearing seat, the sliding sleeve 6 of fixedly connected in the bottom of silk cover 5, the sliding rod 7 of slidingly connected with the inner cavity of sliding sleeve 6, the supporting block 8 of fixedly connected with one end of sliding rod 7, the hydraulic telescopic cylinder 9 of fixedly connected in the bottom of supporting block 8, the fixed plate 10 of fixedly connected with the telescopic end of hydraulic telescopic cylinder 9, MBR membrane full-automatic cleaning is realized by automatic cleaning assembly;The cavity of cleaning box 1 is also provided with drying assembly, and the drying assembly includes hot air blower 11 fixedly connected in the cavity of cleaning box 1, air cavity 12 communicated with the air outlet of hot air blower 11 by pipeline, pressurized spray pipe 13 is arranged in the inner side of air cavity 12, waste water collecting box 14 is placed in the cavity of cleaning box 1, and the MBR membrane cleaned is rapidly dried by drying assembly.

[0026] Further supplement: the conveying assembly 2 is composed of a motor, a conveying roller and a conveying belt, which belongs to the prior art, and the present scheme will not be described in detail, which plays a role in automatic conveying of the MBR membrane. The inner cavity of the cleaning box 1 is provided with a laser sensor, which belongs to the prior art and is mainly used to determine the position of the MBR membrane. One end of the slide rod 7 is fixedly installed with a limiting plate to limit the slide rod 7 and prevent it from falling off. The hydraulic telescopic cylinder 9 is controlled by an external hydraulic pump. The air cavity 12 is in a frame shape and is used to ensure that the two sides of the MBR membrane can be in contact with high-pressure hot air at the same time, thereby ensuring the drying efficiency. The booster nozzle 13 is a prior art which plays a role in pressurizing the gas and increasing its flow rate, thereby further improving the drying effect. The wastewater collection tank 14 is used to collect wastewater. The air inlet of the air heater 11 is connected with the dry gas outside through a pipeline to avoid damage to the air heater 11 caused by moisture.

[0027] Embodiment 2

[0028] Please refer to Figures 1-5 On the basis of embodiment 1, the number of conveying assemblies 2 is two, and the two conveying assemblies 2 are located on the two sides of the inner cavity of the cleaning box 1. One side of the partition plate 3 is fixedly connected with a driving motor 15. The output shaft of the driving motor 15 penetrates through the partition plate 3 and is fixedly connected with one end of the lead screw 4. A through slot 24 is formed in one side of the partition plate 3. The surface of the sliding sleeve 6 is fixedly connected with a servo motor 16 through a mounting block. The output shaft of the servo motor 16 is fixedly connected with a gear 17. The surface of the gear 17 is engaged with a toothed plate 18. The toothed plate 18 is fixedly connected with the surface of the slide rod 7. The inner cavity of the cleaning box 1 is also provided with an ultrasonic cleaning tank 19. A high-pressure sprayer 20 is arranged on one side of the partition plate 3. The number of high-pressure sprayers 20 is two. A fixed plate 10 is fixedly connected with a turnover motor 21 on one side. The output shaft of the turnover motor 21 penetrates through the fixed plate 10 and is fixedly connected with a clamping cylinder 22. A control box is arranged on the left side of the front of the cleaning box 1. A maintenance door 23 is arranged at the middle of the front of the cleaning box 1.

[0029] Further supplement: the two conveying assemblies 2 realize automatic feeding and discharging of the MBR membrane and realize the function of full-automatic conveying. The through slot 24 is used to ensure the operation of the hydraulic telescopic cylinder 9 and avoid interference, thereby keeping the device stable operation. The output shaft of the servo motor 16 drives the slide rod 7 to move through the gear 17 and the toothed plate 18, thereby increasing the moving stroke. The ultrasonic cleaning tank 19 is a prior art, and its main function is to make the chemical cleaning liquid in the ultrasonic cleaning tank 19 vibrate at a high speed to clean the MBR membrane soaked in the chemical cleaning liquid, thereby reducing the soaking time. The high-pressure sprayer 20 is arranged to facilitate the spraying and cleaning of dirt on the surface of the MBR membrane. The output shaft of the turnover motor 21 can drive the clamping cylinder 22 to rotate 360 degrees, thereby ensuring the cleaning effect. A waterproof structure is arranged on the surface of the turnover motor 21 to prevent water vapor from damaging the internal elements of the motor.

[0030] The utility model discloses a working principle is: only need to place MBR membrane in the left side conveying assembly 2, and conveying assembly 2 is delivered to the right side with MBR membrane, and the inner chamber of cleaning tank 1 is provided with laser sensor and determines the position of MBR membrane, then the telescopic end of hydraulic telescopic cylinder 9 drives clamping pneumatic cylinder 22 to move downward, and clamping pneumatic cylinder 22 clamps and fixes MBR membrane, at this moment, external controller starts drive motor 15, and drive motor 15 output shaft passes through screw rod 4 and silk cover 5 and drives MBR membrane to move, makes it move to between two partition plates 3, then the telescopic end of hydraulic telescopic cylinder 9 drives clamping pneumatic cylinder 22 to move downward, and MBR membrane is soaked in chemical cleaning solution, and the output shaft of turnover motor 21 can drive clamping pneumatic cylinder 22 to rotate 360 degrees, guarantees cleaning effect,

[0031] The MBR membrane of cleaning completion moves upward under the drive of hydraulic telescopic cylinder 9, and high pressure sprayer 20 carries out secondary cleaning to the dirt on the surface of MBR membrane, and the MBR membrane after cleaning moves to the right side under the action of screw rod 4 and silk cover 5, at this moment, servo motor 16 output shaft passes through gear 17 and toothed plate 18 and drives slide rod 7 to move, makes MBR membrane move to right side working cavity, and turnover motor 21 makes MBR membrane be in vertical state, and the telescopic end of hydraulic telescopic cylinder 9 drives MBR membrane to move downward, makes it be located in the inner chamber of air cavity 12, and hot air blower 11 will dry gas through air cavity 12 and spray from the place of booster nozzle 13, makes MBR membrane both sides can contact with high pressure hot gas simultaneously, guarantees drying efficiency, and waste water collecting tank 14 is used to collect waste water, and after cleaning and drying, material is conveyed from cleaning tank 1 through right side conveying assembly 2, realizes automatic cleaning and drying effect.

[0032] The above only describes some demonstrative embodiments of the utility model through the way of illustration, undoubtedly, for ordinary skilled person in the art, under the condition of not deviating from the spirit and scope of the utility model, can modify the described embodiments in various different ways. Therefore, the above drawing and description are illustrative in nature, and should not be understood as the limitation of the utility model claim protection scope.

Claims

1. A sewage treatment MBR membrane off-line cleaning device, comprising a cleaning tank (1), characterized in that: The inner cavity of the cleaning box (1) is provided with a conveying assembly (2), and the inner cavity of the cleaning box (1) is also provided with a partition plate (3); The number of the partition plates (3) is two, and an automatic cleaning assembly is arranged between the two partition plates (3), the automatic cleaning assembly comprises a lead screw (4) movably connected between the two partition plates (3) through a bearing seat, a lead sleeve (5) threadedly connected with the surface of the lead screw (4), a sliding sleeve (6) fixedly connected with the bottom of the lead sleeve (5), a sliding rod (7) slidably connected with the inner cavity of the sliding sleeve (6), a supporting block (8) fixedly connected with one end of the sliding rod (7), a hydraulic telescopic cylinder (9) fixedly connected with the bottom of the supporting block (8), and a fixed plate (10) fixedly connected with the telescopic end of the hydraulic telescopic cylinder (9), and the automatic cleaning assembly realizes full-automatic cleaning of the MBR membrane. The inner cavity of the cleaning box (1) is also provided with a drying assembly, the drying assembly comprises a hot air machine (11) fixedly connected with the inner cavity of the cleaning box (1), an air cavity (12) in communication with the air outlet of the hot air machine (11) through a pipeline, a booster nozzle (13) arranged on the inner side of the air cavity (12), a wastewater collection box (14) placed in the inner cavity of the cleaning box (1), and the MBR membrane cleaned is quickly dried through the drying assembly.

2. The off-line cleaning device for MBR membrane of sewage treatment according to claim 1, characterized in that: The number of the conveying assemblies (2) is two, and the two conveying assemblies (2) are respectively located on the two sides of the inner cavity of the cleaning box (1).

3. The off-line cleaning device for MBR membrane of sewage treatment according to claim 1, characterized in that: One side of the partition plate (3) is fixedly connected with a driving motor (15), the output shaft of the driving motor (15) penetrates the partition plate (3) and is fixedly connected with one end of the lead screw (4), and a through groove (24) is formed in one side of the partition plate (3).

4. The off-line cleaning device for MBR membrane of sewage treatment according to claim 1, characterized in that: The surface of the sliding sleeve (6) is fixedly connected with a servo motor (16) through a mounting block, the output shaft surface of the servo motor (16) is fixedly connected with a gear (17), the surface of the gear (17) is engaged with a toothed plate (18), and the toothed plate (18) is fixedly connected with the surface of the sliding rod (7).

5. The off-line cleaning device for MBR membrane of sewage treatment according to claim 1, characterized in that: The inner cavity of the cleaning box (1) is also provided with an ultrasonic cleaning tank (19), one side of the partition plate (3) is provided with a high-pressure sprayer (20), and the number of the high-pressure sprayers (20) is two.

6. The off-line cleaning device for MBR membrane of sewage treatment according to claim 1, characterized in that: One side of the fixed plate (10) is fixedly connected with a turnover motor (21), the output shaft of the turnover motor (21) penetrates the fixed plate (10) and is fixedly connected with a clamping cylinder (22).

7. The off-line cleaning device for MBR membrane of sewage treatment according to claim 1, characterized in that: A control box is arranged on the left side of the front face of the cleaning box (1), and a maintenance door (23) is arranged at the middle of the front face of the cleaning box (1).

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