Improved MBR (Membrane Bioreactor) membrane module aeration device for micropore-perforation intermittent aeration

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an improved MBR (Membrane Biological Reactor) aeration device for micropore-perforation intermittent aeration, which comprises an MBR tank and a micropore gas storage chamber, aeration holes are formed in the micropore gas storage chamber, the micropore gas storage chamber is arranged in the MBR tank, a side support fixed connecting component is arranged in a transverse limiting sliding chute, and a side support fixed connecting component is arranged in the transverse limiting sliding chute. The side support fixing and connecting assembly is used for fixing the microporous gas storage chamber in the MBR tank, a height adjusting assembly is mounted in the vertical limiting sliding groove, a perforated gas storage chamber is mounted on the height adjusting assembly, a perforated aeration head is mounted on the perforated gas storage chamber, an intermittent conversion type air blowing assembly is fixedly mounted on the vertical mounting column, and the intermittent conversion type air blowing assembly is fixedly mounted on the vertical mounting column. The micropore air storage chamber and the perforated air storage chamber are both connected with the intermittent conversion type air blowing assembly; according to the utility model, the influence on the use effect caused by the shaking of the micropore air storage chamber during micropore aeration can be avoided, the flow and diffusion of air can be more uniform, meanwhile, the micropore aeration and the perforated aeration can be switched, the aeration efficiency is effectively improved, and the energy consumption is lower.

Description

Technical Field

[0001] The utility model specifically relates to an improved MBR membrane group aeration device with micropore-perforation intermittent aeration, belonging to the technical field of sewage treatment. Background Art

[0002] The MBR membrane module aeration device is a device widely used in the field of sewage treatment. It combines membrane filtration technology and bioreactor technology. The aeration device provides sufficient oxygen to enable microorganisms to grow and reproduce in the MBR membrane module, and decompose organic matter in the sewage into harmless substances such as water and carbon dioxide. Microporous-perforated intermittent aeration is an aeration method that combines the advantages of microporous aeration and perforated tube aeration. However, when the existing MBR membrane module aeration device is in use, the microporous aerator is usually placed at the bottom of the bioreactor, which is easy to cause the microporous aerator to shake during the aeration process, affecting the aeration effect. At the same time, the perforated aerator is set on the inner side wall of the bioreactor. When in use, it can only be aerated at a fixed height position, which is easy to cause uneven flow and diffusion of air, affecting the uniformity of oxygen distribution in the bioreactor, and there are certain disadvantages in the use process.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] The utility model aims to provide an improved MBR membrane group aeration device with microporous-perforated intermittent aeration in order to solve the above-mentioned problems. The utility model has the advantage of avoiding the shaking of the microporous air storage chamber during microporous aeration affecting the use effect, and can make the flow and diffusion of air more uniform. At the same time, it can switch between microporous aeration and perforated aeration, effectively improving the aeration efficiency and reducing energy consumption.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: an improved MBR membrane aeration device with microporous-perforated intermittent aeration, comprising an MBR pool and a microporous air storage chamber, the microporous air storage chamber is provided with the aeration holes, the microporous air storage chamber is arranged in the MBR pool, the L-shaped connecting rods are fixedly installed on the outer walls at both ends of the microporous air storage chamber, the transverse straight bar is fixedly installed on the top of the L-shaped connecting rod, the transverse straight bar is provided with a transverse limiting slide groove on the top, the side support fixed connection assembly is installed in the transverse limiting slide groove, the side support fixed connection assembly is fixedly installed in the side support, and the side support is fixedly installed in the side support. The support fixing connection assembly is used to fix the microporous air storage chamber in the MBR pool, the vertical mounting column is fixedly mounted on the microporous air storage chamber, a vertical limiting slide groove is provided on the inner wall of the vertical mounting column, the height adjustment assembly is installed in the vertical limiting slide groove, the perforated air storage chamber is installed on the height adjustment assembly, the perforated air storage chamber is installed on the perforated air storage chamber, the intermittent conversion type air blowing assembly is fixedly mounted on the vertical mounting column, and the microporous air storage chamber and the perforated air storage chamber are both connected to the intermittent conversion type air blowing assembly.

[0006] Furthermore, in order to control the servo motor to turn on so that the bidirectional drive screw can rotate in the transverse limiting groove through the first rotating joint, the side support fixed connection assembly includes the servo motor and the bidirectional drive screw, the servo motor is fixed on the inner wall of one end of the transverse limiting groove, the bidirectional drive screw is rotatably installed on the inner wall of the other end of the transverse limiting groove through the first rotating joint, and one end of the bidirectional drive screw is fixedly connected to the output shaft of the servo motor.

[0007] Furthermore, in order to enable the two threaded sliders to slide in opposite directions in the transverse limiting groove when the bidirectional drive screw rotates, the threaded slider is installed on the bidirectional drive screw, and the threaded slider is slidably engaged in the transverse limiting groove. There are two threaded sliders, and the two threaded sliders are respectively located at the opposite thread ends of the bidirectional drive screw.

[0008] Furthermore, in order to enable the threaded slider to slide in the transverse limiting groove and drive the fixed suction cup to be fixedly adsorbed on the inner walls on both sides of the MBR pool through the L-shaped push-pull rod, the L-shaped push-pull rod is fixed to the top of the threaded slider, the fixed sleeve and the sliding sleeve are installed at one end of the L-shaped push-pull rod, one end of the sliding sleeve is connected to the fixed sleeve through the connecting spring, the fixed suction cup is fixed to the other end of the sliding sleeve, and the piston head is fixed to one end of the L-shaped push-pull rod, and the piston head is slidably engaged in the sliding sleeve.

[0009] Furthermore, in order to control the stepper motor to start and drive the vertical threaded rod to rotate in the vertical limiting slot through the second rotating joint, the height adjustment assembly includes the vertical threaded rod and the stepper motor, the vertical threaded rod is rotatably mounted on the inner wall of one end of the vertical limiting slot through the second rotating joint, the stepper motor is fixed on the outer wall of the other end of the vertical limiting slot, and one end of the vertical threaded rod passes through the vertical mounting column and is fixedly connected to the output shaft of the stepper motor.

[0010] Furthermore, in order to enable the lifting slider to slide up and down in the vertical limit groove when the vertical threaded rod rotates, so as to adjust the height position of the perforated air storage chamber, the lifting slider is threadedly mounted on the vertical threaded rod, the lifting slider is slidably engaged in the vertical limit groove, and the perforated air storage chamber is fixed on the lifting slider.

[0011] Furthermore, in order to be opened by the blower, the microporous air storage chamber and the perforated air storage chamber can be inflated respectively through the first air pipe and the second air pipe, the intermittent conversion air blowing assembly includes the fixed frame, the fixed frame is fixedly mounted on the top outer wall of the vertical mounting column, the blower is installed on the top of the fixed frame, and the microporous air storage chamber and the perforated air storage chamber are respectively connected to the blower through the first air pipe and the second air pipe.

[0012] Furthermore, in order to control the closing and opening of the first air pipe and the second air pipe respectively through the first opening and closing valve and the second opening and closing valve, the first air pipe and the second air pipe are respectively fixedly installed with the first opening and closing valve and the second opening and closing valve.

[0013] The technical effects and advantages of the utility model are as follows: the microporous air storage chamber can be fixed in the MBR pool by the side support fixing connection component, so as to avoid the microporous air storage chamber shaking during microporous aeration and affecting the use effect; at the same time, the height position of the perforated air storage chamber and the perforated aeration head can be adjusted by the height adjustment component, so that perforated aeration can be performed from different height positions on the side of the MBR pool, which can make the flow and diffusion of air more uniform; and under the action of the intermittent conversion aeration component, it is possible to switch between microporous aeration and perforated aeration, which effectively improves the aeration efficiency, reduces energy consumption and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the installation structure of the microporous gas storage chamber and the perforated gas storage chamber of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the side support fixing connection assembly of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixed sleeve and the sliding sleeve of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the intermittent conversion air blowing assembly of the utility model;

[0019] Figure 6 It is a structural schematic diagram of the height adjustment component of the utility model;

[0020] In the figure: 1, MBR pool; 2, microporous air storage chamber; 3, aeration hole; 4, L-shaped connecting rod; 5, horizontal straight bar block; 6, side support fixed connection assembly; 601, servo motor; 602, two-way drive screw; 603, first rotating joint; 604, threaded slider; 605, L-shaped push-pull rod; 606, fixed sleeve; 607, sliding sleeve; 608, connecting spring; 609, fixed suction cup; 610, piston head; 7. Vertical mounting column; 8. Height adjustment assembly; 801. Vertical threaded rod; 802. Stepper motor; 803. Second rotating joint; 804. Lifting slider; 9. Perforated air storage chamber; 10. Perforated aeration head; 11. Intermittent switching aeration assembly; 1101. Fixed frame; 1102. Blower; 1103. First air pipe; 1104. Second air pipe; 1105. First opening and closing valve; 1106. Second opening and closing valve. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-6As shown, an improved MBR membrane aeration device for microporous-perforated intermittent aeration comprises an MBR pool 1 and a microporous air storage chamber 2, the microporous air storage chamber 2 is provided with aeration holes 3, the microporous air storage chamber 2 is arranged in the MBR pool 1, L-shaped connecting rods 4 are fixedly installed on the outer walls at both ends of the microporous air storage chamber 2, a transverse straight bar 5 is fixedly installed on the top of the L-shaped connecting rod 4, a transverse limit slide groove is provided on the top of the transverse straight bar 5, a side support fixed connection assembly 6 is installed in the transverse limit slide groove, and the side support fixed connection assembly 6 is used to fix the microporous air storage chamber 2 in the MBR pool 1. When in use, the microporous air storage chamber 2 is placed in the MBR pool 1, at which time the transverse straight bar 5 and the side support fixed connection assembly 6 are also located in the MBR pool 1, and the side support fixed connection assembly 6 is controlled to fix the microporous air storage chamber 2 in the MBR pool 1 to avoid aeration during the aeration. The microporous air storage chamber 2 is caused to shake, affecting the aeration effect. A vertical mounting column 7 is fixedly installed on the microporous air storage chamber 2. A vertical limiting slide is opened on the inner wall of the vertical mounting column 7. A height adjustment component 8 is installed in the vertical limiting slide. A perforated air storage chamber 9 is installed on the height adjustment component 8. A perforated aeration head 10 is installed on the perforated air storage chamber 9. The height adjustment component 8 is controlled to facilitate the adjustment of the height of the perforated air storage chamber 9 and the perforated aeration head 10, so that the perforated aeration head 10 can aerate from different height positions on the side of the MBR tank 1. An intermittent switching air blowing component 11 is fixedly installed on the vertical mounting column 7. Both the microporous air storage chamber 2 and the perforated air storage chamber 9 are connected to the intermittent switching air blowing component 11. The intermittent switching air blowing component 11 is controlled to facilitate the switching of the air intake of the microporous air storage chamber 2 and the perforated air storage chamber 9.

[0023] The side support fixed connection assembly 6 includes a servo motor 601 and a bidirectional driving screw 602. The servo motor 601 is fixed on the inner wall of one end of the transverse limiting slide groove. The bidirectional driving screw 602 is rotatably installed on the inner wall of the other end of the transverse limiting slide groove through a first rotating joint 603, and one end of the bidirectional driving screw 602 is fixedly connected to the output shaft of the servo motor 601. A threaded slider 604 is installed on the bidirectional driving screw 602. The threaded slider 604 is slidably engaged in the transverse limiting slide groove. There are two threaded sliders 604, and the two threaded sliders 604 are respectively located at the reverse thread ends of the bidirectional driving screw 602. An L-shaped push-pull rod 605 is fixed on the top of the threaded slider 604. A fixed sleeve 606 and a sliding sleeve 607 are installed at one end of the L-shaped push-pull rod 605. One end of the sliding sleeve 607 is connected to the fixed sleeve 606 through a connecting spring 608. The other end of the sliding sleeve 607 is fixed with The suction cup 609 is fixed, and a piston head 610 is fixed at one end of the L-shaped push-pull rod 605. The piston head 610 is slidably engaged in the sliding sleeve 607. The servo motor 601 is controlled to start, so that the bidirectional drive screw 602 slides in the transverse limiting groove, and the two threaded sliders 604 slide in opposite directions in the transverse limiting groove, so that the L-shaped push-pull rods 605 on both sides move to both sides in the MBR pool 1, so that the fixed suction cup 609 is fixed on the inner walls on both sides of the MBR pool 1 to fix the microporous air storage chamber 2. At the same time, when the L-shaped push-pull rods 605 on both sides move inward, the piston head 610 is driven to move in the sliding sleeve 607, so that the piston head 610 is temporarily separated from the sliding sleeve 607, so that the fixed suction cup 609 is connected to the outside air, so that the fixed suction cup 609 is separated, and under the action of the connecting spring 608, the sliding sleeve 607 is reset.

[0024] The height adjustment assembly 8 includes a vertical threaded rod 801 and a stepper motor 802. The vertical threaded rod 801 is rotatably mounted on the inner wall of one end of the vertical limit slide groove through a second rotating joint 803. The stepper motor 802 is fixed on the outer wall of the other end of the vertical limit slide groove. One end of the vertical threaded rod 801 passes through the vertical mounting column 7 and is fixedly connected to the output shaft of the stepper motor 802. A lifting slider 804 is threadedly mounted on the vertical threaded rod 801. The lifting slider 804 is slidably engaged in the vertical limit slide groove. The perforated air storage chamber 9 is fixed on the lifting slider 804. The stepper motor 802 is controlled to open, so that the vertical threaded rod 801 rotates in the vertical limit slide groove, driving the lifting slider 804 to slide up and down in the vertical limit slide groove, so as to adjust the height position of the perforated air storage chamber 9.

[0025] The intermittent conversion air blowing assembly 11 includes a fixing frame 1101, which is fixedly mounted on the top outer wall of the vertical mounting column 7. A blower 1102 is mounted on the top of the fixing frame 1101. The microporous air storage chamber 2 and the perforated air storage chamber 9 are connected to the blower 1102 through the first air pipe 1103 and the second air pipe 1104 respectively. The first air pipe 1103 and the second air pipe 1104 are respectively fixedly mounted with a first opening and closing valve 1105 and a second opening and closing valve 1106. When in use, the blower 1102 is controlled to open, and one of the first opening and closing valve 1105 and the second opening and closing valve 1106 is controlled to open, so as to realize intermittent air intake of the microporous air storage chamber 2 and the perforated air storage chamber 9.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An improved MBR membrane aeration device with microporous-perforated intermittent aeration, comprising an MBR tank (1) and a microporous air storage chamber (2), wherein the microporous air storage chamber (2) is provided with aeration holes (3), characterized in that: The microporous gas storage chamber (2) is arranged in the MBR pool (1), and L-shaped connecting rods (4) are fixedly installed on the outer walls of both ends of the microporous gas storage chamber (2), and a transverse straight bar (5) is fixedly installed on the top of the L-shaped connecting rod (4). A transverse limiting slide groove is opened on the top of the transverse straight bar (5), and a side support fixing connection component (6) is installed in the transverse limiting slide groove. The side support fixing connection component (6) is used to fix the microporous gas storage chamber (2) in the MBR pool (1). A vertical mounting column (7) is fixedly installed, a vertical limiting slide groove is opened on the inner wall of the vertical mounting column (7), a height adjustment component (8) is installed in the vertical limiting slide groove, a perforated air storage chamber (9) is installed on the height adjustment component (8), a perforated aeration head (10) is installed on the perforated air storage chamber (9), an intermittent conversion air blowing component (11) is fixedly installed on the vertical mounting column (7), and the microporous air storage chamber (2) and the perforated air storage chamber (9) are both connected to the intermittent conversion air blowing component (11).

2. The improved MBR membrane aeration device with micropore-perforated intermittent aeration as claimed in claim 1, characterized in that: The side support fixed connection assembly (6) comprises a servo motor (601) and a bidirectional driving screw (602), wherein the servo motor (601) is fixed on the inner wall at one end of the transverse limiting slide groove, and the bidirectional driving screw (602) is rotatably mounted on the inner wall at the other end of the transverse limiting slide groove via a first rotating joint (603), and one end of the bidirectional driving screw (602) is fixedly connected to the output shaft of the servo motor (601).

3. The improved MBR membrane aeration device with micropore-perforated intermittent aeration as claimed in claim 2, characterized in that: A threaded slider (604) is installed on the bidirectional driving screw (602), and the threaded slider (604) is slidably engaged in the transverse limiting sliding groove. There are two threaded sliders (604), and the two threaded sliders (604) are respectively located at the reverse thread ends of the bidirectional driving screw (602).

4. The improved MBR membrane aeration device with micropore-perforated intermittent aeration as claimed in claim 3, characterized in that: An L-shaped push-pull rod (605) is fixed on the top of the threaded slider (604), and a fixed sleeve (606) and a sliding sleeve (607) are installed at one end of the L-shaped push-pull rod (605). One end of the sliding sleeve (607) is connected to the fixed sleeve (606) via a connecting spring (608), and a fixed suction cup (609) is fixed at the other end of the sliding sleeve (607). A piston head (610) is fixed at one end of the L-shaped push-pull rod (605), and the piston head (610) is slidably engaged in the sliding sleeve (607).

5. The improved MBR membrane aeration device with micropore-perforated intermittent aeration as claimed in claim 1, characterized in that: The height adjustment assembly (8) comprises a vertical threaded rod (801) and a stepper motor (802); the vertical threaded rod (801) is rotatably mounted on the inner wall of one end of the vertical limit slide slot via a second rotating joint (803); the stepper motor (802) is fixed on the outer wall of the other end of the vertical limit slide slot; and one end of the vertical threaded rod (801) passes through the vertical mounting column (7) and is fixedly connected to the output shaft of the stepper motor (802).

6. The improved MBR membrane aeration device with micropore-perforated intermittent aeration as claimed in claim 5, characterized in that: A lifting slider (804) is threadedly mounted on the vertical threaded rod (801), the lifting slider (804) is slidably engaged in the vertical limiting sliding groove, and the perforated air storage chamber (9) is fixed on the lifting slider (804).

7. The improved MBR membrane aeration device with micropore-perforated intermittent aeration as claimed in claim 1, characterized in that: The intermittent conversion air blowing assembly (11) comprises a fixing frame (1101), wherein the fixing frame (1101) is fixedly mounted on the top outer wall of the vertical mounting column (7), and a blower (1102) is mounted on the top of the fixing frame (1101), and the microporous air storage chamber (2) and the perforated air storage chamber (9) are respectively connected to the blower (1102) via a first air pipe (1103) and a second air pipe (1104).

8. The improved MBR membrane aeration device with micropore-perforated intermittent aeration as claimed in claim 7, characterized in that: A first opening and closing valve (1105) and a second opening and closing valve (1106) are fixedly mounted on the first air pipe (1103) and the second air pipe (1104), respectively.

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