An MBR membrane curtain offline automatic cleaning and storage device

Abstract

The present invention discloses an MBR membrane curtain offline automatic cleaning and storage device, comprising a mobile storage module and a cleaning module. The present invention places all the MBR membrane curtains to be cleaned in the storage frame of the mobile storage module, and after starting the device, the cleaning and storage of the multiple MBR membrane curtains are automatically completed, and no other operations by the operator are required in the middle, thereby improving the cleaning efficiency of the membrane curtain and reducing the labor load; the PLC control module automatically controls the storage frame and the MBR membrane curtain to be cleaned to achieve precise position movement by the first stepper motor and the second stepper motor; a plurality of cleaning branch pipes are divided into two rows arranged on both sides of the MBR membrane curtain, and the cleaning branch pipes in each row are arranged at equal intervals, so that both sides of the MBR membrane curtain can be cleaned at the same time, and the MBR membrane curtain is cleaned while moving, and both sides are washed with water at the same time, so that the washing effect is good, the labor intensity is low, and the cleaning efficiency is high.

Description

Technical Field

[0001] The invention belongs to the technical field of MBR membrane curtain cleaning equipment, and in particular relates to an MBR membrane curtain offline automatic cleaning and storage equipment. Background Art

[0002] At present, there are mainly the following methods for cleaning the blockage of MBR membrane curtains: physical cleaning: water washing, aeration cleaning and ultrasonic cleaning; chemical cleaning: sodium hypochlorite alkaline cleaning and hydrochloric acid pickling. The offline cleaning process of MBR membrane curtains in sewage treatment plants is mainly: manual water washing - acid washing - alkaline washing.

[0003] The above cleaning methods have the following problems: ① Manual water washing has high labor intensity, high humidity in the working environment, low temperature in winter, and poor working environment for workers. ② Manual water washing consumes a lot of recycled water, the washing effect is uneven, and the washing is not clean. ③ Manual water washing is an open operation, the muddy water washed down is everywhere, the ground is slippery, and there are safety hazards. Summary of the invention

[0004] The present invention aims to overcome the defects of the prior art and provide an off-line automatic cleaning and storage device for MBR membrane curtains.

[0005] The technical solution of the present invention is as follows:

[0006] An MBR membrane curtain offline automatic cleaning and storage device includes a mobile storage module, a cleaning module and a PLC control module, wherein:

[0007] The mobile storage module includes a base and a storage displacement mechanism arranged on the base, a storage frame for installing the MBR membrane curtain and a storage mud collecting bucket, wherein the storage displacement mechanism is used to drive the storage frame to move on the base, and the storage mud collecting bucket is arranged in the storage frame and under the MBR membrane curtains to collect dirt dripping from the MBR membrane curtains;

[0008] The cleaning module comprises a cleaning frame and a cleaning pipeline arranged in the cleaning frame, a cleaning displacement mechanism and a cleaning mud collecting bucket, wherein the cleaning displacement mechanism is used to displace the MBR membrane curtain between the storage frame and the cleaning frame, the cleaning pipeline is used to clean the MBR membrane curtain displaced into the cleaning frame, and the cleaning mud collecting bucket is located under the cleaning pipeline to collect cleaning wastewater flowing down or splashing from the MBR membrane curtain displaced into the cleaning frame;

[0009] The PLC control module is electrically connected to the storage displacement mechanism and the cleaning displacement mechanism.

[0010] In a preferred embodiment of the present invention, the cleaning frame is provided with an upper cleaning groove on its upper portion, and a corresponding lower cleaning groove is provided on its lower portion and above the cleaning mud collecting bucket. The upper and lower ends of the MBR membrane curtain can be respectively adapted to the upper cleaning groove and the lower cleaning groove to be vertically installed in the cleaning frame, and the lower cleaning groove is provided with a first through groove that penetrates the lower cleaning groove along its length direction.

[0011] Further preferably, the cleaning displacement mechanism includes a first stepper motor electrically connected to the PLC control module, a first reducer, two first seat bearings, a first trapezoidal lead screw, two sliding platform guide rails, a sliding platform, a film curtain push channel steel and two L-shaped push members.

[0012] The first stepper motor is driven and connected to the first trapezoidal screw through the first reducer. The two ends of the first trapezoidal screw are respectively installed under the cleaning lower slot through two first seat bearings. The two sliding platform guide rails are arranged in parallel on both sides of the first trapezoidal screw. The sliding platform has a first trapezoidal screw nut, and is adapted to the external thread of the first trapezoidal screw through the first trapezoidal screw nut. At the same time, the sliding platform slidably adapts to the two sliding platform guide rails. The membrane curtain pushing channel steel is fixed on the sliding platform. Two L-shaped pushing members are arranged at both ends of the membrane curtain pushing channel steel and extend out of the first through slot of the cleaning lower slot to push the MBR membrane curtain to move along the first through slot.

[0013] More preferably, the storage frame has a plurality of upper storage slots at its upper portion and a plurality of lower storage slots at its lower portion, the plurality of upper storage slots and the plurality of lower storage slots correspond to each other one by one to vertically install the MBR membrane curtain, and each lower storage slot is provided with a second through slot penetrating the lower storage slot along its length direction;

[0014] When one of the second through grooves is aligned with the first through groove, the two L-shaped pushing members can be displaced along the first through groove to the second through groove, so as to displace the MBR membrane curtain installed between the lower storage groove and the upper storage groove corresponding to the second through groove between the storage frame and the cleaning frame.

[0015] Further preferably, mud guide plates are provided on both sides of the cleaning lower groove to guide the cleaning wastewater flowing down or splashing from the MBR membrane curtain displaced into the cleaning frame into the cleaning mud collecting bucket.

[0016] In a preferred embodiment of the present invention, the storage displacement mechanism includes a second stepping motor electrically connected to the PLC control module, a second reducer, two second seat bearings, a second trapezoidal lead screw, two inverted V-shaped tracks, and a plurality of V-shaped seat pulleys;

[0017] The second stepper motor is driven and connected to the second trapezoidal lead screw through the second reducer. The two ends of the second trapezoidal lead screw are respectively mounted on the base through two second seat bearings. Two inverted V-shaped tracks are arranged in parallel on both sides of the second trapezoidal lead screw and are located on the base. A second trapezoidal lead screw nut is provided at the bottom of the storage frame, and is adapted to the external thread of the second trapezoidal lead screw through the second trapezoidal lead screw nut. At the same time, the storage frame is slidably adapted to the two inverted V-shaped tracks through a number of V-shaped belt support pulleys.

[0018] In a preferred embodiment of the present invention, the cleaning pipeline includes a cleaning main pipe and a plurality of cleaning branch pipes, one end of the cleaning main pipe is connected to an external water source, and the other end is connected to a plurality of cleaning branch pipes, each cleaning branch pipe is provided with a plurality of water spray outlets evenly spaced along its length, and the plurality of cleaning branch pipes are divided into two rows arranged on both sides of the MBR membrane curtain, and the cleaning branch pipes in each row are arranged at equal intervals.

[0019] In a preferred embodiment of the present invention, the top and sides of the cleaning frame are covered with acrylic plastic plates.

[0020] In a preferred embodiment of the present invention, the cleaning mud collecting bucket is provided with a first drain pipe, and the storing mud collecting bucket is provided with a second drain pipe.

[0021] In a preferred embodiment of the present invention, a plurality of first adjustable supports are provided at the bottom of the cleaning frame of the cleaning module, and a plurality of second adjustable supports are provided at the base of the movable storage module.

[0022] The beneficial effects of the present invention are:

[0023] 1. The present invention places all the MBR membrane curtains to be cleaned in the storage frame of the mobile storage module. After starting the equipment, the cleaning and storage of the multiple MBR membrane curtains are automatically completed without any other operations by the operator, thereby improving the cleaning efficiency of the membrane curtain and reducing the labor load.

[0024] 2. The present invention is automatically controlled by a PLC control module, and the first stepper motor and the second stepper motor move the storage frame and the MBR membrane curtain to be cleaned to achieve precise position movement.

[0025] 3. The cleaning branch pipes of the present invention are divided into two rows arranged on both sides of the MBR membrane curtain. The cleaning branch pipes in each row are arranged at equal intervals, so that both sides of the MBR membrane curtain can be cleaned at the same time. The MBR membrane curtain is cleaned while moving, and both sides are washed with water at the same time, so the washing effect is good, the labor intensity is low, and the cleaning efficiency is high.

[0026] 4. The top and sides of the cleaning frame of the present invention are covered with acrylic plastic plates, so that the muddy water washed down will not splash everywhere, thereby improving the working environment of workers and eliminating safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of Example 1 of the present invention.

[0028] Figure 2 It is a schematic diagram of the three-dimensional structure of the cleaning module of Example 1 of the present invention.

[0029] Figure 3 It is a schematic diagram of the three-dimensional structure of the cleaning displacement mechanism of Example 1 of the present invention.

[0030] Figure 4 It is a schematic diagram of the three-dimensional structure of the mobile storage module according to Embodiment 1 of the present invention.

[0031] Figure 5 It is a schematic diagram of the adaptive three-dimensional structure of the storage displacement mechanism and the storage frame of Example 1 of the present invention. DETAILED DESCRIPTION

[0032] The technical solution of the present invention is further illustrated and described below through specific implementation modes in combination with the accompanying drawings.

[0033] Example 1

[0034] like Figure 1 As shown, an MBR membrane curtain offline automatic cleaning and storage device includes a mobile storage module 2, a cleaning module 1 and a PLC control module (not shown in the figure), wherein:

[0035] like Figure 1 and Figure 4 As shown, the mobile storage module 2 includes a base 20 and a storage displacement mechanism 21 arranged on the base 20, a storage frame 22 for installing the MBR membrane curtain and a storage mud collecting bucket 23. The storage displacement mechanism 21 is used to drive the storage frame 22 to move on the base 20. The storage mud collecting bucket 23 is arranged in the storage frame 22 and under a plurality of MBR membrane curtains to collect dirt dripping from the MBR membrane curtains, and is provided with a second vent pipe 230 to ensure the rapid discharge of the cleaning dirt; the base 20 is provided with a plurality of second adjustable supports 201 for adjusting the level and fixing the base 20;

[0036] like Figure 1 and Figure 2As shown, the cleaning module 1 comprises a cleaning frame 10 and a cleaning pipeline 13 arranged in the cleaning frame 10, a cleaning displacement mechanism 11 and a cleaning mud collecting bucket 12, the cleaning displacement mechanism 11 is used to displace the MBR membrane curtain between the storage frame 22 and the cleaning frame 10, the cleaning pipeline 13 is used to clean the MBR membrane curtain displaced into the cleaning frame 10, the cleaning mud collecting bucket 12 is located under the cleaning pipeline 13 to collect the cleaning wastewater flowing down or splashing from the MBR membrane curtain displaced into the cleaning frame 10, and is provided with a first vent pipe 120 to ensure the rapid discharge of the cleaning wastewater; a plurality of first adjustable supports 102 are provided at the bottom of the cleaning frame 10 for adjusting the level and fixing of the cleaning frame 10;

[0037] The PLC control module is electrically connected to the storage displacement mechanism 21 and the cleaning displacement mechanism 11 .

[0038] The top and sides of the cleaning frame 10 are covered with acrylic plastic plates 101, so that the flushed cleaning wastewater will not splash everywhere, improve the working environment of workers, and eliminate safety hazards; the upper part of the cleaning frame 10 is provided with an upper cleaning groove 102, and the lower part thereof and above the cleaning mud collecting bucket 12 are provided with a corresponding lower cleaning groove 103, and the upper and lower ends of the MBR membrane curtain can be respectively adapted to the upper cleaning groove 102 and the lower cleaning groove 103 to be vertically installed in the cleaning frame 10, and the lower cleaning groove 103 is provided with a first through groove 1031 that penetrates the lower cleaning groove 103 along its length direction;

[0039] like Figure 3 As shown, the cleaning displacement mechanism 11 includes a first stepper motor 110 electrically connected to the PLC control module, a first reducer 111, two first seat bearings 112, a first trapezoidal lead screw 113, two sliding platform guide rails 114, a sliding platform 115, a film curtain push channel steel 116 and two L-shaped push members 117.

[0040] The first stepper motor 110 is driven and connected to the first trapezoidal lead screw 113 through the first reducer 111. The two ends of the first trapezoidal lead screw 113 are respectively installed under the cleaning lower slot 103 through two first seat bearings 112. The two sliding platform guide rails 114 are arranged in parallel on both sides of the first trapezoidal lead screw 113. The sliding platform 115 has a first trapezoidal lead screw nut 1151, and is adapted to the external thread of the first trapezoidal lead screw 113 through the first trapezoidal lead screw nut 1151. At the same time, the sliding platform 115 is slidably adapted to the two sliding platform guide rails 114. The membrane curtain pushing channel steel 116 is fixed on the sliding platform 115. Two L-shaped pushing members 117 are arranged at both ends of the membrane curtain pushing channel steel 116 and extend out of the first through slot 1031 of the cleaning lower slot 103, so as to push the MBR membrane curtain to move along the first through slot 1031. Preferably, mud guide plates 1032 are provided on both sides of the cleaning lower groove 103 to guide the cleaning wastewater flowing down or splashing from the MBR membrane curtain displaced into the cleaning frame 10 into the cleaning mud collecting bucket 12 and prevent the cleaning wastewater from splashing onto the first trapezoidal screw 113.

[0041] like Figure 4 and Figure 5 As shown, the storage frame 22 has a plurality of upper storage slots 221 at its upper portion and a plurality of lower storage slots 222 at its lower portion. The plurality of upper storage slots 221 and the plurality of lower storage slots 222 correspond to each other one by one to vertically install the MBR membrane curtain, and each lower storage slot 222 has a second through slot 2221 penetrating the lower storage slot 222 along its length direction;

[0042] When one of the second through grooves 2221 is aligned with the first through groove 1031, the two L-shaped pushing members 117 can be displaced along the first through groove 1031 to the second through groove 2221, so as to displace the MBR membrane curtain installed between the lower storage groove 222 and the upper storage groove 221 corresponding to the second through groove 2221 between the storage frame 22 and the cleaning frame 10.

[0043] The storage displacement mechanism 21 includes a second stepping motor 210 electrically connected to the PLC control module, a second reducer 211, two second seat bearings 213, a second trapezoidal lead screw 214, two inverted V-shaped rails 215, and a plurality of V-shaped belt support pulleys 216;

[0044] The second stepper motor 210 is driven and connected to the second trapezoidal lead screw 214 through the second reducer 211. The two ends of the second trapezoidal lead screw 214 are respectively mounted on the base 20 through two second seat bearings 213. Two inverted V-shaped tracks 215 are arranged in parallel on both sides of the second trapezoidal lead screw 214 and are located on the base 20. A second trapezoidal lead screw nut 220 is provided at the bottom of the storage frame 22, and the second trapezoidal lead screw nut 220 is adapted to the external thread of the second trapezoidal lead screw 214. At the same time, the storage frame 22 is slidably adapted to the two inverted V-shaped tracks 215 through a plurality of V-shaped belt support pulleys 216.

[0045] like Figure 2 As shown, the cleaning pipeline 13 includes a cleaning main pipe 131 and a plurality of cleaning branch pipes 132. One end of the cleaning main pipe 131 is connected to an external water source, and the other end is connected to a plurality of cleaning branch pipes 132. Each cleaning branch pipe 132 is provided with a plurality of water spraying ports 1320 at equal intervals along its length direction. The plurality of cleaning branch pipes 132 are divided into two rows arranged on both sides of the MBR membrane curtain, and the cleaning branch pipes 132 in each row are arranged at equal intervals. The water spraying ports 1320 are The water spray outlet 1320 has a hole spacing of 100mm. It is preferred to use two symmetrical rows of cleaning branch pipes 132. The number of cleaning branch pipes 132 in each row is three. The center spacing of adjacent cleaning branch pipes 132 in the same row is 200mm. The water pressure of the cleaning main pipe 131 is controlled at 0.4-0.6MPa. In this way, both sides of the MBR membrane curtain can be cleaned at the same time, and the MBR membrane curtain can be cleaned while moving through the cleaning displacement mechanism 11, and both sides can be washed with water at the same time, with good flushing effect, low labor intensity and high cleaning efficiency.

[0046] The worker places all the MBR membrane curtains to be cleaned in the storage frame 22 of the mobile storage module 2, and after starting the PLC control module, the cleaning and storage of the multiple MBR membrane curtains can be automatically completed, and no other operations are required by the operator in the middle, thereby improving the cleaning efficiency of the membrane curtain and reducing the labor load. Under the automatic control of the PLC control module, the first stepper motor 110 and the second stepper motor 210 move the storage frame 22 and the MBR membrane curtain to be cleaned to achieve precise position movement.

[0047] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope of the present invention.

Claims

1. An MBR membrane curtain offline automatic cleaning and storage device, Features: It includes a mobile storage module, a cleaning module and a PLC control module, wherein: The mobile storage module includes a base and a storage displacement mechanism arranged on the base, a storage frame for installing the MBR membrane curtain and a storage mud collecting bucket, wherein the storage displacement mechanism is used to drive the storage frame to move on the base, and the storage mud collecting bucket is arranged in the storage frame and under the MBR membrane curtains to collect dirt dripping from the MBR membrane curtains; The cleaning module comprises a cleaning frame and a cleaning pipeline arranged in the cleaning frame, a cleaning displacement mechanism and a cleaning mud collecting bucket. The cleaning displacement mechanism is used to displace the MBR membrane curtain between the storage frame and the cleaning frame. The cleaning pipeline is used to clean the MBR membrane curtain displaced into the cleaning frame. The cleaning mud collecting bucket is located under the cleaning pipeline to collect cleaning wastewater flowing down or splashing from the MBR membrane curtain displaced into the cleaning frame. The cleaning frame has an upper cleaning slot at the top, and a corresponding lower cleaning slot at the bottom above the cleaning mud collecting bucket. The upper and lower ends of the MBR membrane curtain can be respectively adapted to the upper cleaning slot and the lower cleaning slot to be vertically installed in the cleaning frame. The lower cleaning slot is provided with a first through slot penetrating the lower cleaning slot along its length direction; mud guide plates are provided on both sides of the lower cleaning slot to guide the cleaning wastewater flowing down or splashing from the MBR membrane curtain displaced into the cleaning frame into the cleaning mud collecting bucket. The cleaning displacement mechanism includes a first stepper motor electrically connected to the PLC control module, a first reducer, two first seat bearings, a first trapezoidal lead screw, two sliding platform guide rails, a sliding platform, a film curtain push channel steel and two L-shaped push members. The first stepper motor is connected to the first trapezoidal screw through the first reducer drive, and the two ends of the first trapezoidal screw are respectively installed under the cleaning lower card slot through two first seat bearings, and the two sliding platform guide rails are arranged in parallel on both sides of the first trapezoidal screw. The sliding platform has a first trapezoidal screw nut, and is adapted to the external thread of the first trapezoidal screw through the first trapezoidal screw nut. At the same time, the sliding platform slides and adapts to the two sliding platform guide rails, and the membrane curtain push channel steel is fixed on the sliding platform. Two L-shaped push members are arranged at both ends of the membrane curtain push channel steel and extend out of the first through slot of the cleaning lower card slot to push the MBR membrane curtain to move along the first through slot. The storage frame has a plurality of upper storage slots on its upper part and a plurality of lower storage slots on its lower part. The plurality of upper storage slots and the plurality of lower storage slots correspond to each other to vertically install the MBR membrane curtain, and each lower storage slot is provided with a second through slot penetrating the lower storage slot along its length direction. When one of the second through grooves is aligned with the first through groove, the two L-shaped push members can be displaced along the first through groove to the second through groove, so as to displace the MBR membrane curtain installed between the storage lower card slot and the storage upper card slot corresponding to the second through groove between the storage frame and the cleaning frame. The PLC control module is electrically connected to the storage displacement mechanism and the cleaning displacement mechanism.

2. An MBR membrane curtain offline automatic cleaning and storage device as claimed in claim 1, Features: The storage displacement mechanism includes a second stepping motor electrically connected to the PLC control module, a second reducer, two second seat bearings, a second trapezoidal lead screw, two inverted V-shaped tracks, and a plurality of V-shaped belt support pulleys; The second stepper motor is driven and connected to the second trapezoidal lead screw through the second reducer. The two ends of the second trapezoidal lead screw are respectively mounted on the base through two second seat bearings. Two inverted V-shaped tracks are arranged in parallel on both sides of the second trapezoidal lead screw and are located on the base. A second trapezoidal lead screw nut is provided at the bottom of the storage frame, and is adapted to the external thread of the second trapezoidal lead screw through the second trapezoidal lead screw nut. At the same time, the storage frame is slidably adapted to the two inverted V-shaped tracks through a number of V-shaped belt support pulleys.

3. The MBR membrane curtain offline automatic cleaning and storage device according to claim 1, Features: The cleaning pipeline includes a cleaning main pipe and a plurality of cleaning branch pipes. One end of the cleaning main pipe is connected to an external water source, and the other end is connected to a plurality of cleaning branch pipes. Each cleaning branch pipe is provided with a plurality of water spray outlets at equal intervals along its length direction, and the plurality of cleaning branch pipes are divided into two rows arranged on both sides of the MBR membrane curtain, and the cleaning branch pipes in each row are arranged at equal intervals.

4. An MBR membrane curtain offline automatic cleaning and storage device as described in any one of claims 1 to 3, Features: The top and sides of the cleaning frame are covered with acrylic plastic plates.

5. An MBR membrane curtain offline automatic cleaning and storage device as claimed in any one of claims 1 to 3, Features: The cleaning mud collecting bucket is provided with a first drain pipe, and the storing mud collecting bucket is provided with a second drain pipe.

6. An MBR membrane curtain offline automatic cleaning and storage device as claimed in any one of claims 1 to 3, Features: The bottom of the cleaning frame of the cleaning module is provided with a plurality of first adjustable supports, and the base of the movable storage module is provided with a plurality of second adjustable supports.

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