Automatic cleaning device for MBR (Membrane Bioreactor)

Abstract

The utility model discloses an automatic cleaning device for an MBR (Membrane Bioreactor), which belongs to the technical field of MBR membranes and comprises a cleaning tank and an MBR body arranged in the cleaning tank, and a cleaning component is arranged on the outer side of the MBR body. The cleaning assembly comprises a limiting unit arranged on the inner wall of the cleaning pool and a flushing unit arranged on the side wall of the cleaning pool. The limiting unit comprises a movable plate movably arranged on the inner wall of the cleaning pool, clamping plates oppositely arranged on the side faces of the movable plate and displacement parts arranged between the clamping plates and the movable plate. The flushing unit comprises a through opening formed in the side face of the cleaning pool, a sliding rod installed on the outer side face of the cleaning pool, a movable plate movably arranged on the outer side of the sliding rod and a cleaning part arranged on the side portion of the movable plate. According to the utility model, the cleaning component is arranged, so that the water consumption is less when the MBR membrane component is cleaned, and the time and the labor are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to MBR membrane technical field especially relates to a MBR membrane bioreactor automatic cleaning device. BACKGROUND

[0002] MBR membrane bioreactor is a kind of high-efficiency water treatment system combined membrane separation technology and biological treatment technology.However, in the long-term operation, membrane assembly is susceptible to pollution, resulting in flux decline or failure, thereby affecting the overall efficiency and service life of system.

[0003] MBR membrane is the key component of MBR bioreactor, needs to clean frequently to guarantee the stability of membrane flux, and the membrane assembly of MBR is composed of several plate-and-frame membrane devices and several plate-and-frame membranes are arranged in parallel, and in the prior art, the cleaning of plate-and-frame membrane usually needs to stop production regularly, and MBR bioreactor is lifted out of water surface, and high-pressure water gun is used manually to flush, and this method has the problems of high energy consumption, time-consuming and laborious.

[0004] Therefore, it is urgent to provide a MBR membrane bioreactor automatic cleaning device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem that the prior art plate-and-frame membrane cleaning usually needs to stop production regularly, and MBR bioreactor is lifted out of water surface, and high-pressure water gun is used manually to flush, and this method has the problems of high energy consumption, time-consuming and laborious, and provides a MBR membrane bioreactor automatic cleaning device.

[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a MBR membrane bioreactor automatic cleaning device, which comprises a cleaning pool and an MBR membrane bioreactor body arranged in the cleaning pool, and a cleaning assembly is arranged on the outer side of the MBR membrane bioreactor body.

[0007] The cleaning assembly comprises a limiting unit arranged on the inner wall of the cleaning pool and a flushing unit arranged on the side wall of the cleaning pool.

[0008] The limiting unit comprises a movable plate movably arranged on the inner wall of the cleaning pool, a clamping plate oppositely arranged on the side surface of the movable plate and a displacement part arranged between the clamping plate and the movable plate.

[0009] The flushing unit comprises a through hole arranged on the side surface of the cleaning pool, a sliding rod installed on the outer side surface of the cleaning pool, a moving plate movably arranged on the outer side of the sliding rod and a cleaning part arranged on the side of the moving plate.

[0010] The utility model is further provided as follows: a supporting seat is fixedly arranged at the bottom of the cleaning pool.

[0011] The utility model further sets up: the number of spacing unit has two groups, two groups spacing unit opposite setting in the inner wall of cleaning pool,

[0012] Two clamping plates are oppositely arranged in each group of spacing units.

[0013] The utility model further sets up: spacing unit still includes the pusher of installing in the lateral wall of cleaning pool, and the output shaft end of pusher is fixedly connected with the side of movable plate.

[0014] The utility model further sets up: displacement part includes the rotating lever of movable setting in the middle part of movable plate inside, installs the first bevel gear at the bottom of rotating lever, engages the second bevel gear in the side of first bevel gear, installs the screw rod in the side of second bevel gear, and the sliding block is connected in the outside of screw rod, sliding block is installed in the side of clamping plate.

[0015] The utility model further sets up: the number of slide rod has four, four slide rod is rectangular distribution;

[0016] The shape of moving plate is adapted to the aperture.

[0017] The utility model further sets up: the number of cleaning part has multiple groups, and multiple cleaning parts are equidistantly distributed on the side of moving plate;

[0018] The cleaning part includes the recess of setting in the side of moving plate, the threaded rod of movable setting in the recess inside, the sliding sleeve of screw connection in the outside of threaded rod, the transverse pipe of installing in the outside of sliding sleeve and the air outlet of setting in the pipe wall of transverse pipe;

[0019] The cleaning part further includes the driving element of setting in the top of threaded rod.

[0020] The utility model further sets up: the top of transverse pipe is provided with air inlet pipe.

[0021] The utility model discloses the beneficial effects are as follows:

[0022] The utility model discloses a cleaning assembly, cooperation pusher output shaft pushes movable plate close to MBR membrane bioreactor body, cooperation oppositely arranged two movable plates hold the both sides of MBR membrane bioreactor body, and then cooperation rotating rotating lever drives first bevel gear rotation, because first bevel gear and second bevel gear are engaged, thereby drive screw rod rotation, thereby under the action of screw pair sliding block is driven along the outside of screw rod, thereby drive clamping plate close to MBR membrane bioreactor body, and MBR membrane bioreactor body is further limited and fixed;

[0023] After fixing the MBR membrane bioreactor body, connect the external gas pipe to the air inlet pipe at the top of the horizontal tube, and use a movable plate to slide it along the outside of the slide bar to the opening. Then, use an external locking device to limit and fix the movable plate. Next, fill the cleaning tank with water. At this time, the horizontal tube is located between two adjacent MBR membrane modules. Gas enters the horizontal tube through the external gas pipe and is sprayed onto the MBR membrane module through the air outlet to clean it. The cleaning process consumes less water, saving time and effort. Attached Figure Description

[0024] Figure 1 This is a first-view structural diagram of the present invention;

[0025] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0026] Figure 3 This utility model Figure 2 A magnified view of a section at point A in the middle;

[0027] Figure 4 This is a second-view structural diagram of the present invention;

[0028] Figure 5 This utility model Figure 4 A magnified view of a section at point B in the middle.

[0029] In the diagram: 1. Cleaning tank; 11. Support base; 2. MBR membrane bioreactor body; 3. Cleaning assembly; 31. Limiting unit; 311. Movable plate; 312. Clamping plate; 313. Displacement part; 3131. Rotating rod; 3132. First bevel gear; 3133. Second bevel gear; 3134. Lead screw; 3135. Sliding block; 314. Pushing component; 32. Flushing unit; 321. Through port; 322. Sliding rod; 323. Moving plate; 324. Cleaning part; 3241. Threaded rod; 3242. Sliding sleeve; 3243. Horizontal tube; 3244. Air outlet; 3245. Driving component. Detailed Implementation

[0030] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0031] Please see Figure 1 - Figure 5 An automatic cleaning device for an MBR membrane bioreactor includes a cleaning tank 1 and an MBR membrane bioreactor body 2 disposed inside the cleaning tank 1. A cleaning assembly 3 is disposed on the outside of the MBR membrane bioreactor body 2. Preferably, lifting rings are installed on both sides of the top of the MBR membrane bioreactor body 2.

[0032] The cleaning assembly 3 includes a limiting unit 31 disposed on the inner wall of the cleaning tank 1 and a rinsing unit 32 disposed on the side wall of the cleaning tank 1. The limiting unit 31 is used to fix the position of the MBR membrane bioreactor body 2, and the rinsing unit 32 is used to clean the MBR membrane module in the MBR membrane bioreactor body 2.

[0033] The limiting unit 31 includes a movable plate 311 movably disposed on the inner wall of the cleaning tank 1, a clamping plate 312 disposed opposite to the side of the movable plate 311, and a displacement portion 313 disposed between the clamping plate 312 and the movable plate 311.

[0034] The rinsing unit 32 includes an opening 321 disposed on the side of the cleaning tank 1, a slide bar 322 installed on the outer side of the cleaning tank 1, a movable plate 323 movably disposed on the outside of the slide bar 322, and a cleaning part 324 disposed on the side of the movable plate 323.

[0035] The bottom of the cleaning pool 1 is fixedly provided with a support base 11.

[0036] There are two sets of limiting units 31. The two sets of limiting units 31 are arranged opposite to each other on the inner wall of the cleaning tank 1. The two sets of limiting units 31 are used to limit and fix the two sides of the MBR membrane bioreactor body 2.

[0037] Each set of limiting units 31 has two clamping plates 312 arranged opposite to each other.

[0038] The limiting unit 31 also includes a pusher 314 installed on the side wall of the cleaning pool 1. The end of the output shaft of the pusher 314 is fixedly connected to the side of the movable plate 311. Preferably, the pusher 314 is a pusher cylinder.

[0039] The displacement part 313 includes a rotating rod 3131 movably disposed in the middle of the inner side of the movable plate 311, a first bevel gear 3132 installed at the bottom end of the rotating rod 3131, a second bevel gear 3133 meshing with the side of the first bevel gear 3132, a lead screw 3134 installed on the side of the second bevel gear 3133, and a slider 3135 threadedly connected to the outside of the lead screw 3134. The slider 3135 is installed on the side of the clamping plate 312, and the outer surface of the slider 3135 is slidably connected to the inner wall of the movable plate 311.

[0040] There are four sliders 322, and the four sliders 322 are arranged in a rectangular shape.

[0041] The shape of the movable plate 323 is adapted to the port 321.

[0042] The number of cleaning parts 324 is multiple, and the multiple cleaning parts 324 are equidistantly distributed on the side of the moving plate 323.

[0043] The cleaning part 324 includes a groove on the side of the movable plate 323, a threaded rod 3241 movably disposed inside the groove, a sliding sleeve 3242 threadedly connected to the outside of the threaded rod 3241, a horizontal tube 3243 installed on the outside of the sliding sleeve 3242, and an air outlet 3244 disposed on the tube wall of the horizontal tube 3243. The outer surface of the sliding sleeve 3242 is slidably connected to the side wall of the groove. There are multiple air outlets 3244, which are equidistantly distributed on the tube wall of the horizontal tube 3243.

[0044] The cleaning part 324 also includes a drive member 3245 disposed on the top of the threaded rod 3241, preferably a servo motor.

[0045] The top of the horizontal tube 3243 is provided with an air intake pipe (not shown in the diagram), which is used to connect with an external air pipe.

[0046] In use, the MBR membrane bioreactor body 2 is first lifted into the cleaning tank 1 by connecting an external lifting device and a lifting ring. Then, the output shaft of the pusher 314 pushes the movable plate 311 close to the MBR membrane bioreactor body 2. The two movable plates 311 clamp the two sides of the MBR membrane bioreactor body 2. Then, the rotating rod 3131 drives the first bevel gear 3132 to rotate. Since the first bevel gear 3132 meshes with the second bevel gear 3133, it drives the lead screw 3134 to rotate. Under the action of the threaded pair, the slider 3135 slides along the outside of the lead screw 3134, thereby driving the clamping plate 312 close to the MBR membrane bioreactor body 2, further limiting and fixing the MBR membrane bioreactor body 2.

[0047] After fixing the MBR membrane bioreactor body 2, connect the external gas pipe to the air inlet pipe at the top of the horizontal pipe 3243, and then slide it along the outside of the slide bar 322 to the opening 321 by the moving plate 323. The moving plate 323 is then limited and fixed by the external locking device. Then fill the cleaning tank 1 with water. At this time, the horizontal pipe 3243 is located between two adjacent MBR membrane modules. Gas enters the horizontal pipe 3243 through the external gas pipe and is sprayed onto the MBR membrane module through the air outlet 3244 to clean it. The amount of water consumed during cleaning is small, saving time and effort.

[0048] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An automatic cleaning device for an MBR membrane bioreactor, comprising a cleaning tank (1) and an MBR membrane bioreactor body (2) disposed inside the cleaning tank (1), characterized in that: A cleaning assembly (3) is provided on the outside of the MBR membrane bioreactor body (2). The cleaning assembly (3) includes a limiting unit (31) disposed on the inner wall of the cleaning tank (1) and a rinsing unit (32) disposed on the side wall of the cleaning tank (1). The limiting unit (31) includes a movable plate (311) movably disposed on the inner wall of the cleaning tank (1), a clamping plate (312) disposed on the side of the movable plate (311) and a displacement portion (313) disposed between the clamping plate (312) and the movable plate (311). The rinsing unit (32) includes an opening (321) on the side of the cleaning tank (1), a slide bar (322) installed on the outer side of the cleaning tank (1), a movable plate (323) movably disposed on the outside of the slide bar (322), and a cleaning part (324) disposed on the side of the movable plate (323).

2. The automatic cleaning device for an MBR membrane bioreactor according to claim 1, characterized in that: The bottom of the cleaning tank (1) is fixedly provided with a support base (11).

3. The automatic cleaning device for an MBR membrane bioreactor according to claim 2, characterized in that: There are two sets of the limiting units (31), and the two sets of the limiting units (31) are arranged opposite to each other on the inner wall of the cleaning pool (1); Each of the limiting units (31) has two clamps (312) arranged opposite to each other.

4. The automatic cleaning device for an MBR membrane bioreactor according to claim 3, characterized in that: The limiting unit (31) also includes a pusher (314) installed on the side wall of the cleaning pool (1), and the end of the output shaft of the pusher (314) is fixedly connected to the side of the movable plate (311).

5. An automatic cleaning device for an MBR membrane bioreactor according to claim 4, characterized in that: The displacement portion (313) includes a rotating rod (3131) movably disposed in the middle of the inner side of the movable plate (311), a first bevel gear (3132) installed at the bottom end of the rotating rod (3131), a second bevel gear (3133) meshing with the side of the first bevel gear (3132), a lead screw (3134) installed on the side of the second bevel gear (3133), and a slider (3135) threadedly connected to the outside of the lead screw (3134). The slider (3135) is installed on the side of the clamping plate (312).

6. The automatic cleaning device for an MBR membrane bioreactor according to claim 5, characterized in that: There are four slide bars (322), and the four slide bars (322) are arranged in a rectangular shape; The shape of the movable plate (323) is adapted to the opening (321).

7. An automatic cleaning device for an MBR membrane bioreactor according to claim 6, characterized in that: There are multiple sets of the cleaning parts (324), and the multiple sets of the cleaning parts (324) are equidistantly distributed on the side of the moving plate (323); The cleaning part (324) includes a groove on the side of the movable plate (323), a threaded rod (3241) movably disposed inside the groove, a sliding sleeve (3242) threaded to the outside of the threaded rod (3241), a horizontal tube (3243) installed on the outside of the sliding sleeve (3242), and an air outlet (3244) disposed on the wall of the horizontal tube (3243). The cleaning section (324) also includes a drive (3245) disposed on the top of the threaded rod (3241).

8. An automatic cleaning device for an MBR membrane bioreactor according to claim 7, characterized in that: An air inlet pipe is provided at the top of the horizontal tube (3243).

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