CN113213621B - An MBR biofilm integrated wastewater treatment device - Google Patents

Abstract

The invention relates to the technical field of sewage treatment, in particular to an MBR biofilm integrated wastewater treatment device, which evenly disperses oxygen, facilitates contact between oxygen and microorganisms, accelerates the decomposition of organic matter, and improves practicability; it includes a treatment box and an air supply pipe. , casing, driving device, collection device and purification device. A water inlet pipe is provided at the bottom of the side end of the treatment box, and an outlet pipe is provided at the top of the side end of the treatment box. An MBR biofilm group is provided inside the treatment box, and an MBR biofilm group is provided. It is located between the water inlet pipe and the water outlet pipe. The air supply pipe is fixed and installed horizontally inside the treatment box, and the air supply pipe is located below the MBR biofilm group. There are several sets of jet heads on the circumferential outer wall of the air supply pipe. The inner side walls of the treatment box Two sets of annular chutes are symmetrically arranged on the top, and the axes of the two sets of annular chutes are collinear with the axis of the air supply pipe. The casing is set on the outside of the air supply pipe, and support rings are provided at both ends of the casing.

Description

An MBR biofilm integrated wastewater treatment device

Technical field

The present invention relates to the technical field of sewage treatment, and in particular to an MBR biofilm integrated wastewater treatment device.

Background technique

The MBR biofilm integrated wastewater treatment device is a new type of wastewater treatment system that organically combines membrane separation technology and biological treatment technology. Use membrane modules to replace the secondary settling tank at the end of traditional biological treatment technology, maintain a high activated sludge concentration in the bioreactor, increase the organic load of biological treatment, thereby reducing the area occupied by sewage treatment facilities, and reduce residual sewage by maintaining a low sludge load. Amount of mud. It mainly uses membrane separation equipment immersed in an aerobic biological tank to intercept activated sludge and macromolecular organic matter in the tank. The existing MBR biofilm integrated wastewater treatment device has a relatively simple oxygen supply device, resulting in uneven oxygen supply, resulting in It is difficult for oxygen to fully contact the microorganisms on the biofilm, which reduces the rate of organic decomposition and has poor practicality.

Contents of the invention

In order to solve the above technical problems, the present invention provides an MBR biofilm integrated wastewater treatment device that disperses oxygen evenly, facilitates contact between oxygen and microorganisms, accelerates the decomposition of organic matter, and improves practicality.

An MBR biofilm integrated wastewater treatment device of the present invention includes a treatment box, an air supply pipe, a casing, a driving device, a collection device and a purification device. A water inlet pipe is provided at the bottom of the side end of the treatment box, and the top of the side end of the treatment box A water outlet pipe is provided, and an MBR biofilm group is installed inside the treatment box. The MBR biofilm group is located between the water inlet pipe and the water outlet pipe. The air supply pipe is fixed and installed horizontally inside the treatment box, and the air supply pipe is located below the MBR biofilm group. , several sets of jet heads are provided on the circumferential outer wall of the air supply pipe, and two sets of annular chutes are symmetrically provided on the inner side wall of the treatment box, and the axes of the two sets of annular chutes are collinear with the axis of the air supply pipe, and the casing is set On the outside of the air supply pipe, support rings are provided at both ends of the casing. The two sets of support rings are rotatably installed in two sets of annular chutes respectively, and the axis of the casing is collinear with the axis of the air supply pipe. There are several sets of air outlets for connecting the inside of the treatment box and the inside of the casing pipe. There are several sets of diffuser knife sets on the inner wall of the casing pipe. The several sets of diffuser knife sets are aligned with several sets of jet heads respectively. The collection device is installed The treatment box is used to collect and discharge precipitated impurities generated during wastewater treatment. The purification device is fixedly installed on the top of the treatment box to purify the odor generated during wastewater treatment. The driving device is fixedly installed on the treatment box to use The drive sleeve rotates along its own axis.

An MBR biofilm integrated wastewater treatment device of the present invention, wherein the driving device includes a first motor, a driving gear and a driven gear. The first motor is fixedly installed on the side wall of the treatment box, and the output end of the first motor is sealed through The treatment box extends into the inside of the treatment box, the driving gear is fixedly sleeved on the output end of the first motor, the driven gear is fixedly sleeved on the sleeve, and the driven gear meshes with the driving gear.

An MBR biofilm integrated wastewater treatment device of the present invention, wherein the purification device includes a purification box, an activated carbon adsorption layer and an air pump. The purification box is fixedly installed on the top of the treatment box. A chamber is provided inside the purification box, and the activated carbon adsorption layer is vertical It is fixedly installed longitudinally inside the purification box and divides the chamber of the purification box into a left chamber and a right chamber. A communication port is provided at the bottom of the left chamber to connect the inside of the treatment box and the left chamber. The air pump is fixedly installed on At the right end of the purification box, the input end of the air pump is connected to the right chamber.

An MBR biofilm integrated wastewater treatment device of the present invention, wherein the collection device includes a collection box, a rotating shaft, a second motor and a cleaning door. A chamber is provided inside the collection box, and the collection box is fixedly installed at the bottom of the left end of the treatment box. The bottom of the treatment box is provided with a sewage outlet to connect the inside of the treatment box and the chamber of the collection box. The rotating shaft passes through the sewage outlet and is rotatably installed in the chamber of the collection box and inside the treatment box. The second motor is fixedly installed on the inside of the treatment box. The bottom of the right end, and the output end of the second motor passes through the processing box and is fixedly connected to the rotating shaft. Spiral blades are provided on the circumferential outer wall of the rotating shaft. A cleaning port is provided at the front end of the collection box, and the cleaning door is sealed and installed at the cleaning port.

In the MBR biofilm integrated wastewater treatment device of the present invention, a handle is provided at the front end of the cleaning door.

The MBR biofilm integrated wastewater treatment device of the present invention also includes a control box and an ultraviolet germicidal lamp. The control box is fixedly installed on the top of the purification box. The ultraviolet germicidal lamp is fixedly installed inside the right chamber. The ultraviolet germicidal lamp and the control box Electrical connection.

In the MBR biofilm integrated wastewater treatment device of the present invention, the bottom end of the treatment box is symmetrically provided with several sets of support legs, and the bottom ends of the several sets of support legs are flush with the bottom end of the collection device.

In the MBR biofilm integrated wastewater treatment device of the present invention, the input end of the water inlet pipe, the output end of the water outlet pipe and the input end of the air supply pipe are all provided with flanges.

Compared with the prior art, the beneficial effects of the present invention are: the wastewater that needs to be treated is introduced into the inside of the treatment box through the water inlet pipe, and at the same time, the input end of the air supply pipe is connected to the external oxygen supply device, so that the external oxygen is supplied from several sets of jet heads Entering the inside of the casing pipe, the driving device is started at the same time to drive the casing to rotate along its own axis. During the rotation of the casing, several groups of diffuser knives are used to break up the oxygen bubbles ejected by several groups of jet heads. The crushed bubbles evenly enter the treatment box through several sets of air outlets, and enter the MBR biofilm group under the action of water pressure, allowing the microorganisms inside the MBR biofilm group to combine with oxygen to decompose and purify organic impurities in the wastewater. , through the above settings, oxygen is evenly dispersed, which is conducive to the contact between oxygen and microorganisms, accelerates the decomposition of organic matter, and improves practicality.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is an enlarged schematic view of part A in Figure 1;

Figure 3 is an enlarged schematic diagram of the structure of the purification device;

Figure 4 is an enlarged schematic diagram of the structural connection between the collection box and the treatment box;

Markings in the drawings: 1. Treatment box; 2. MBR biofilm group; 3. Water inlet pipe; 4. Water outlet pipe; 5. Air supply pipe; 6. Jet head; 7. Casing; 8. Annular chute; 9. Support ring; 10. Air outlet; 11. Diffusion knife set; 12. Collection device; 13. Purification device; 14. First motor; 15. Driving gear; 16. Driven gear; 17. Purification box; 18. Activated carbon Adsorption layer; 19. Communication port; 20. Air pump; 21. Collection box; 22. Sewage outlet; 23. Rotating shaft; 24. Second motor; 25. Spiral blade; 26. Cleaning door; 27. Handle; 28. Control box ; 29. Ultraviolet germicidal lamp; 30. Supporting legs.

Detailed ways

Specific implementations of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the invention but are not intended to limit the scope of the invention.

As shown in Figures 1 to 4, an MBR biofilm integrated wastewater treatment device of the present invention includes a treatment box 1, an air supply pipe 5, a casing 7, a driving device, a collection device 12 and a purification device 13. The treatment box 1 A water inlet pipe 3 is provided at the bottom of the side end of the treatment box 1. A water outlet pipe 4 is provided at the top of the side end of the treatment box 1. An MBR biofilm group 2 is provided inside the treatment box 1. The MBR biofilm group 2 is located between the water inlet pipe 3 and the water outlet pipe 4. During the period, the air supply pipe 5 is fixedly installed horizontally inside the treatment box 1, and the air supply pipe 5 is located below the MBR biofilm group 2. There are several groups of jet heads 6 on the circumferential outer wall of the air supply pipe 5, and the internal side walls of the treatment box 1 Two sets of annular chutes 8 are symmetrically arranged on the top, and the axes of the two sets of annular chutes 8 are collinear with the axis of the air supply pipe 5. The sleeve 7 is set on the outside of the air supply pipe 5, and both ends of the sleeve 7 are provided with Support ring 9, two sets of support rings 9 are rotatably installed in two sets of annular chutes 8 respectively, and the axis of the casing 7 is collinear with the axis of the air supply pipe 5. Several sets of air outlets 10 are provided on the casing 7 for use. Inside the pipe connecting the inside of the treatment box 1 and the casing 7, several sets of diffuser knife groups 11 are provided on the inner wall of the casing 7. The plurality of diffuser knife groups 11 are respectively aligned with the plurality of spray heads 6, and the collection device 12 is installed. The treatment box 1 is used to collect and discharge precipitated impurities generated during wastewater treatment. The purification device 13 is fixedly installed on the top of the treatment box 1 for purifying the odor generated during the wastewater treatment process. The driving device is fixedly installed in the treatment box. 1 is used to drive the casing 7 to rotate along its own axis; the wastewater that needs to be treated is introduced into the inside of the treatment box 1 through the water inlet pipe 3, and at the same time, it connects the input end of the air supply pipe 5 with the external oxygen supply device, so that the external oxygen can be supplied by Several sets of jet heads 6 enter the inside of the casing 7 pipe, and at the same time start the driving device to drive the casing 7 to rotate along its own axis. During the rotation of the casing 7, several sets of diffuser knife sets 11 are driven by several sets of jet heads 6 The sprayed oxygen bubbles are broken, and the broken bubbles evenly enter the inside of the treatment box 1 through several sets of air outlets 10, and enter the inside of the MBR biofilm group 2 under the action of water pressure, so that the inside of the MBR biofilm group 2 The microorganisms combine with oxygen to decompose and purify organic impurities in the wastewater. Through the above settings, the oxygen is evenly dispersed, which is conducive to the contact between oxygen and microorganisms, accelerates the decomposition of organic matter, and improves practicality.

As a preferred embodiment of the above technical solution, the driving device includes a first motor 14, a driving gear 15 and a driven gear 16. The first motor 14 is fixedly installed on the side wall of the treatment box 1, and the output end of the first motor 14 is sealed through The processing box 1 extends into the interior of the processing box 1, the driving gear 15 is fixedly sleeved on the output end of the first motor 14, the driven gear 16 is fixedly sleeved on the sleeve 7, and the driven gear 16 and the driving gear 15 Engagement; by starting the first motor 14, the first motor 14 drives the driving gear 15 to rotate, and the driving gear 15 drives the driven gear 16 to rotate, thereby controlling the rotation of the sleeve 7 along its own axis, thereby improving practicality.

As a preferred embodiment of the above technical solution, the purification device 13 includes a purification box 17, an activated carbon adsorption layer 18 and an air pump 20. The purification box 17 is fixedly installed on the top of the treatment box 1. There is a chamber inside the purification box 17, and the activated carbon adsorption layer 18 is vertical. It is fixed and installed vertically inside the purification box 17 and divides the chamber of the purification box 17 into a left chamber and a right chamber. A communication port 19 is provided at the bottom of the left chamber to connect the inside of the treatment box 1 with the left chamber. , the air pump 20 is fixedly installed on the right end of the purification box 17, and the input end of the air pump 20 is connected with the right chamber; through the above settings, the air pump 20 is started, and under the suction of the air pump 20, the gas inside the treatment box 1 is caused to pass through the communication port 19 It enters the left chamber, is purified by the activated carbon adsorption layer 18 and enters the right chamber, and is then discharged to the outside by the air pump 20 to purify the working environment and improve practicality.

As a preferred embodiment of the above technical solution, the collection device 12 includes a collection box 21, a rotating shaft 23, a second motor 24 and a cleaning door 26. A chamber is provided inside the collection box 21, and the collection box 21 is fixedly installed at the bottom of the left end of the treatment box 1. , a sewage outlet 22 is provided at the bottom of the treatment box 1 to connect the inside of the treatment box 1 and the chamber of the collection box 21. The rotating shaft 23 passes through the sewage outlet 22 and is rotatably installed in the chamber of the collection box 21 and the inside of the treatment box 1. The second motor 24 is fixedly installed at the bottom of the right end of the treatment box 1, and the output end of the second motor 24 passes through the treatment box 1 and is fixedly connected to the rotating shaft 23. The outer circumferential wall of the rotating shaft 23 is provided with spiral blades 25, and the front end of the collection box 21 A cleaning port is provided, and the cleaning door 26 is sealed and installed at the cleaning port; the second motor 24 is started to cause the second motor 24 to drive the rotating shaft 23 to rotate, so that the spiral blade 25 transports the precipitated impurities at the bottom of the treatment box 1 to the collection box 21 Inside the chamber, the inside of the chamber of the collection box 21 can be cleaned regularly through the cleaning door 26, which facilitates cleaning and improves practicality.

As a preferred embodiment of the above technical solution, a handle 27 is provided at the front end of the cleaning door 26; through the above arrangement, it is convenient to open and close the cleaning door 26 and improve the practicality.

As a preferred embodiment of the above technical solution, it also includes a control box 28 and an ultraviolet germicidal lamp 29. The control box 28 is fixedly installed on the top of the purification box 17. The ultraviolet germicidal lamp 29 is fixedly installed inside the right chamber. The ultraviolet germicidal lamp 29 and the control box 28 Electrical connection; through the above settings, it is beneficial to sterilize the gas inside the chamber of the purification box 17 and improve the practicality.

As a preferred embodiment of the above technical solution, the bottom end of the treatment box 1 is symmetrically provided with several sets of support legs 30, and the bottom ends of the several sets of support legs 30 are flush with the bottom end of the collection device 12; through the above arrangement, the fixed installation of the treatment box 1 is facilitated. and other connection structures to improve stability.

As a preferred embodiment of the above technical solution, the input end of the water inlet pipe 3, the output end of the water outlet pipe 4 and the input end of the air supply pipe 5 are all provided with flanges; through the above arrangement, it is convenient to connect the water inlet pipe 3, the water outlet pipe 4 and the air supply pipe 5. The trachea 5 is connected to external devices to improve practicality.

An MBR biofilm integrated wastewater treatment device of the present invention. When it is working, the wastewater to be treated is first introduced into the inside of the treatment box 1 through the water inlet pipe 3, and at the same time, the input end of the air supply pipe 5 is connected with the external oxygen supply. The device allows external oxygen to enter the inside of the casing 7 pipe through several sets of jet heads 6, and at the same time starts the driving device to drive the casing 7 to rotate along its own axis. During the rotation of the casing 7, several sets of 11 pairs of diffuser knife groups are The oxygen bubbles ejected from several groups of jet heads 6 are broken, and the broken bubbles evenly enter the inside of the treatment box 1 through several groups of air outlets 10, and enter the inside of the MBR biofilm group 2 under the action of water pressure, so that The microorganisms inside the MBR biofilm group 2 combine with oxygen to decompose and purify organic impurities in the wastewater.

The installation method, connection method or setting method of the MBR biofilm integrated wastewater treatment device of the present invention are all common mechanical methods, and any method can be implemented as long as it can achieve its beneficial effects.

The above are only preferred embodiments of the present invention. It should be noted that those of ordinary skill in the art can also make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides an MBR biological membrane integration effluent treatment plant, a serial communication port, including treatment box (1), air supply pipe (5), sleeve pipe (7), drive arrangement, collection device (12) and purifier (13), side end bottom of treatment box (1) is provided with inlet tube (3), side end top of treatment box (1) is provided with outlet pipe (4), the inside of treatment box (1) is provided with MBR biological membrane group (2), MBR biological membrane group (2) are located between inlet tube (3) and outlet pipe (4), air supply pipe (5) transversely fixed mounting is in the inside of treatment box (1), and air supply pipe (5) are located the below of MBR biological membrane group (2), be provided with a plurality of groups of air jet heads (6) on the circumference outer wall of air supply pipe (5), the inside lateral wall of treatment box (1) is last to symmetry is provided with two sets of annular spout (8), and the axis of two sets of annular spout (8) and the axis collineation of air supply pipe (5), the outside of air supply pipe (5) is established to sleeve pipe (7) cover, the both ends of sleeve pipe (7) are provided with supporting ring (9) respectively, can install the axis collineation spout (9) and two sets of annular spout (7) are rotatable in the axis of air supply pipe (5), be provided with a plurality of groups ventholes (10) on sleeve pipe (7) inside in order to be used for communicating treatment case (1) inside with sleeve pipe (7) pipeline, be provided with a plurality of groups of air knife tackle (11) that scatter on the pipeline inner wall of sleeve pipe (7), a plurality of groups of air knife tackle (11) align with a plurality of groups of jet heads (6) respectively, collection device (12) are installed on treatment case (1) in order to be used for collecting the sediment impurity that produces in the exhaust waste water treatment, purifier (13) fixed mounting is used for purifying the foul smell that produces in the waste water treatment process at the top of treatment case (1), drive arrangement fixed mounting is on treatment case (1) in order to be used for driving sleeve pipe (7) along self axis rotation.

2. An MBR biological membrane integrated wastewater treatment device as claimed in claim 1, wherein the driving device comprises a first motor (14), a driving gear (15) and a driven gear (16), the first motor (14) is fixedly arranged on the side wall of the treatment tank (1), the output end of the first motor (14) passes through the treatment tank (1) in a sealing way and stretches into the treatment tank (1), the driving gear (15) is fixedly sleeved on the output end of the first motor (14), the driven gear (16) is fixedly sleeved on the sleeve (7), and the driven gear (16) is meshed with the driving gear (15).

3. An MBR biological membrane integrated wastewater treatment device as claimed in claim 1, wherein the purification device (13) comprises a purification tank (17), an activated carbon adsorption layer (18) and an air pump (20), the purification tank (17) is fixedly arranged at the top end of the treatment tank (1), a chamber is arranged in the purification tank (17), the activated carbon adsorption layer (18) is vertically and longitudinally fixedly arranged in the purification tank (17) and divides the chamber of the purification tank (17) into a left chamber and a right chamber, a communication port (19) is arranged at the bottom end of the left chamber and is used for communicating the inside of the treatment tank (1) with the left chamber, the air pump (20) is fixedly arranged at the right end of the purification tank (17), and the input end of the air pump (20) is communicated with the right chamber.

4. An MBR biological membrane integrated wastewater treatment device as claimed in claim 1, wherein the collection device (12) comprises a collection box (21), a rotating shaft (23), a second motor (24) and a cleaning door (26), wherein a chamber is formed in the collection box (21), the collection box (21) is fixedly arranged at the bottom of the left end of the treatment box (1), a drain outlet (22) is formed in the bottom of the treatment box (1) so as to be used for communicating the interior of the treatment box (1) with the chamber of the collection box (21), the rotating shaft (23) penetrates through the drain outlet (22) and is rotatably arranged in the chamber of the collection box (21) and the interior of the treatment box (1), the second motor (24) is fixedly arranged at the bottom of the right end of the treatment box (1), the output end of the second motor (24) penetrates through the treatment box (1) and is fixedly connected with the rotating shaft (23), spiral blades (25) are arranged on the circumferential outer wall of the rotating shaft (23), a cleaning opening is formed in the front end of the collection box (21), and the cleaning door (26) is arranged at the cleaning opening in a sealing mode.

5. An MBR biofilm integrated wastewater treatment device according to claim 4, characterized in that the front end of the cleaning door (26) is provided with a handle (27).

6. A MBR biological membrane integrated wastewater treatment device as claimed in claim 3, further comprising a control box (28) and an ultraviolet sterilizing lamp (29), wherein the control box (28) is fixedly arranged at the top end of the purifying box (17), the ultraviolet sterilizing lamp (29) is fixedly arranged in the right chamber, and the ultraviolet sterilizing lamp (29) is electrically connected with the control box (28).

7. An MBR biological membrane integrated wastewater treatment device as claimed in claim 1, wherein a plurality of groups of supporting legs (30) are symmetrically arranged at the bottom end of the treatment tank (1), and the bottom ends of the groups of supporting legs (30) are flush with the bottom end of the collecting device (12).

8. An MBR biological membrane integrated wastewater treatment device according to claim 1, wherein the input end of the water inlet pipe (3), the output end of the water outlet pipe (4) and the input end of the air supply pipe (5) are provided with flanges.