CN212293223U

CN212293223U - Membrane bioreactor integration sewage treatment plant

Info

Publication number: CN212293223U
Application number: CN202020744555.8U
Authority: CN
Inventors: 丁楠
Original assignee: Guangxi Wooden Shell Technology Co ltd
Current assignee: Guangxi Wooden Shell Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-01-05
Anticipated expiration: 2030-05-08

Abstract

The utility model relates to a sewage treatment plant and sewage treatment method technical field especially relate to a membrane bioreactor integration sewage treatment plant, including the device main part, from left to right be equipped with filtering ponds, equalizing basin, aeration tank and membrane reaction tank in proper order in the device main part, the outside of device main part is equipped with backwash pump, self priming pump, air-blower, motor, the left end of filtering ponds is fixed and is equipped with the water inlet, be equipped with the filter screen on the filtering ponds, the top of the both sides pool wall of equalizing basin all is equipped with powerful soil pick-up pump, the output of motor is equipped with the (mixing) shaft, be equipped with a plurality of stirring leaves on the (mixing) shaft, the device reasonable in design simple structure, very big degree improvement to the purification treatment efficiency of sewage, be fit for promoting.

Description

Membrane bioreactor integration sewage treatment plant

Technical Field

The utility model relates to the technical field of sewage treatment devices and sewage treatment methods, in particular to a membrane bioreactor integrated sewage treatment device.

Background

At present, with the rapid development of global social economy and the increase of population, the discharge amount of industrial sewage and domestic sewage is increased, and with the continuous enhancement of environmental protection work in China, the development of high-efficiency sewage treatment technology becomes a priority, the 21 st century is the era of membrane science technology, currently, in the field of sewage treatment, membrane technology, especially membrane bioreactor technology, is generally regarded as important, the membrane bioreactor-based integrated sewage treatment technology is a sewage treatment process formed by combining the traditional activated sludge method and the membrane separation technology, the defects of the traditional sewage treatment technology can be made up, the treatment process can be optimized, and the membrane can efficiently intercept the biomass in the reactor and simultaneously replace the secondary sedimentation tank of a sewage plant to reduce the floor area; the separation of the hydraulic retention time and the sludge retention time in the biochemical reactor improves the biochemical efficiency of the sewage, reduces the effluent turbidity and the coliform group number, and improves the effluent quality; the system can realize full-automatic control, is convenient to operate and manage, but the existing membrane bioreactor integrated sewage treatment device has the defects that the sewage treatment efficiency is low, sludge is easy to block, and the device is easy to cause device faults, so that the membrane bioreactor integrated sewage treatment device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of low sewage treatment efficiency in the prior art and providing a membrane bioreactor integrated sewage treatment device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a membrane bioreactor integrated sewage treatment device is designed, which comprises a device main body, wherein a filter tank, an adjusting tank, an aeration tank and a membrane reaction tank are sequentially arranged on the device main body from left to right, a reflux pump, a self-priming pump, an air blower and a motor are arranged on the outer side of the device main body, a water inlet is fixedly arranged at the left end of the filter tank, a filter screen is arranged on the filter tank, powerful dirt suction pumps are respectively arranged at the tops of two side tank walls of the adjusting tank, a stirring shaft is arranged at the output end of the motor, a plurality of stirring blades are arranged on the stirring shaft, an aeration pipe is flatly laid at the bottom of the aeration tank, one end of the aeration pipe penetrates through the device main body and is provided with the air blower, a gas pipe is arranged at one end of the air blower, which is far away from the aeration pipe, a plurality of branch pipes, and the one end of every bronchus all is fixed and is equipped with the support connection pipe, every be equipped with backstop on the support connection pipe, backstop's inside is equipped with the sealing rubber ball, be equipped with the spring on the sealing rubber ball, the one end and the backstop fixed connection of spring, the one end of support connection pipe is equipped with the bearing, the fixed puddler that is equipped with in the circumference outside of bearing, the both ends symmetry of puddler is equipped with two aeration heads, the detachable connection in inside of membrane reaction tank is equipped with the membrane module, the membrane module is linked together through pipeline and self priming pump, the both ends of backwash pump are linked together with aeration tank and membrane reaction tank respectively.

Preferably, the powerful sewage suction pumps are provided with two powerful sewage suction pumps, wherein the output end and the input end of one powerful sewage suction pump respectively extend into the bottoms of the filtering tank and the regulating tank, and the output end and the input end of the other powerful sewage suction pump respectively extend into the tops of the regulating tank and the aeration tank.

Preferably, the stirring blades are circumferentially and symmetrically arranged on the stirring shaft at equal intervals, the aeration pipe is arranged at the bottom of the aeration tank in a rectangular matrix, a plurality of air outlet holes are formed in the aeration pipe, and a sealing rubber plug with a cross-shaped top opening is arranged on each air outlet hole.

The utility model provides a pair of membrane bioreactor integration sewage treatment plant, beneficial effect lies in: when in use, sewage is injected into the filter tank through the water inlet, so that garbage and dregs in the sewage are screened and dropped into the filter tank through the filter screen, the primarily treated sewage is pumped into the regulating tank through the powerful sewage suction pump, then the water in the regulating tank is added with a medicament for regulation and deposition of easily separated chemical elements, then the sewage is pumped into the aeration tank, the blower and the motor are started, oxygen-containing air is pumped into the aeration tank, so that high-activity sludge in the aeration tank can fully react with the sewage, the biological organic treatment load is improved, the motor drives the stirring blades and the stirring shaft to rotate, the removal area of the high-activity sludge and oxygen is further ensured, the reaction efficiency is improved, the purification speed is increased, the reflux pump can be prevented from being blocked by the sludge, the high-activity sewage can be pumped into the membrane reaction tank through the reflux pump, and then the high-activity sewage is reacted with the high-activity sewage through aerobic bacteria and microorganisms in the membrane, purify high active sewage, go into the supporting connection pipe through the gas-supply pipe pump with the oxygen-containing air through the air-blower, get into in the puddler through non-return means, and both ends through the puddler get into the aeration head, because the overhead through-hole of aeration is reverse symmetry setting, and when the air passes through the aeration head and discharges, produce opposite effort, make the puddler rotatory round the supporting connection pipe under the effect of bearing, stir the sewage in membrane reaction tank, can stir the bubble that produces from the aeration head and smash into littleer bubble, the area of contact of oxygen and membrane module has been increased, the water purification efficiency of the good oxygen microorganism of membrane module inside has been improved, the water after will purifying is pumped through the self priming pump, the processing to sewage has been realized, the device reasonable in design simple structure, the improvement of very big degree is to the purification treatment efficiency of sewage, and is suitable for popularization.

Drawings

FIG. 1 is a schematic sectional view of a membrane bioreactor integrated sewage treatment plant according to the present invention;

FIG. 2 is a schematic view of a partial section structure of a membrane bioreactor integrated sewage treatment device provided by the present invention.

In the figure: the device comprises a device main body 1, a filter tank 2, a water inlet 3, a filter screen 4, a powerful dirt suction pump 5, an adjusting tank 6, a stirring blade 7, a stirring shaft 8, a membrane component 9, a reflux pump 10, a self-sucking pump 11, a gas pipe 12, a blower 13, a motor 14, an aeration pipe 15, a stirring rod 16, an aeration head 17, a spring 18, a sealing rubber ball 19, a non-return device 20, a bearing 21, an aeration tank 22, a membrane reaction tank 23 and a supporting connecting pipe 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a membrane bioreactor integrated sewage treatment device comprises a device main body 1, a filter tank 2, an adjusting tank 6, an aeration tank 22 and a membrane reaction tank 23 are sequentially arranged on the device main body 1 from left to right, a reflux pump 10, a self-priming pump 11, an air blower 13 and a motor 14 are arranged on the outer side of the device main body 1, a water inlet 3 is fixedly arranged at the left end of the filter tank 2, a filter screen 4 is arranged on the filter tank 2, strong dirt suction pumps 5 are respectively arranged at the tops of the tank walls at the two sides of the adjusting tank 6, a stirring shaft 8 is arranged at the output end of the motor 14, a plurality of stirring blades 7 are arranged on the stirring shaft 8, an aeration pipe 15 is flatly laid at the bottom of the aeration tank 22, one end of the aeration pipe 15 penetrates through the device main body 1 and is provided with the air blower 13, one end of the air blower 13, far away from the aeration pipe 15, is provided with a gas pipe 12, and one end of each bronchus is fixedly provided with a supporting connecting pipe 24, each supporting connecting pipe 24 is provided with a non-return device 20, the inside of the non-return device 20 is provided with a sealing rubber ball 19, the sealing rubber ball 19 is provided with a spring 18, one end of the spring 18 is fixedly connected with the non-return device 20, one end of the supporting connecting pipe 24 is provided with a bearing 21, the outer side of the circumference of the bearing 21 is fixedly provided with a stirring rod 16, two ends of the stirring rod 16 are symmetrically provided with two aeration heads 17, the inside of the membrane reaction tank 23 is detachably connected with a membrane assembly 9, the membrane assembly 9 is communicated with the self-priming pump 11 through a pipeline, and two ends of the reflux pump 10 are respectively.

The two powerful sewage suction pumps 5 are arranged, wherein the output end and the input end of one powerful sewage suction pump 5 respectively extend into the bottoms of the filter tank 2 and the regulating tank 6, the output end and the input end of the other powerful sewage suction pump 5 respectively extend into the tops of the regulating tank 6 and the aeration tank 22, the stirring blades 7 are arranged on the stirring shaft 8 in a circumferential symmetry manner at equal intervals, the aeration pipes 15 are arranged at the bottom of the aeration tank 22 in a rectangular square matrix manner, a plurality of air outlet holes are arranged on the aeration pipes 15, a sealing rubber plug with a cross-shaped top opening is arranged on each air outlet hole, when in use, sewage is injected into the filter tank 2 through the water inlet 3, so that garbage and dregs in the sewage are screened into the filter tank 2 through the filter screen 4, the primarily treated sewage is pumped into the regulating tank 6 through the powerful sewage suction pumps 5, then, the water in the regulating tank 6 is put into a medicament for regulation and precipitates easily separated chemical elements, then pumping the sewage into an aeration tank 22, starting an air blower 13 and a motor 14, pumping oxygen-containing air into the aeration tank 22, enabling the high-activity sludge in the aeration tank 22 to fully react with the sewage, improving the biological organic treatment load, driving a stirring blade 7 and a stirring shaft 8 to rotate by the motor 14, further ensuring the removal area of the high-activity sludge and the oxygen, improving the reaction efficiency, accelerating the purification speed, avoiding the sludge from blocking a reflux pump 10, pumping the high-activity sewage into a membrane reaction tank 23 through the reflux pump 10, then enabling the high-activity sewage to react with the high-activity sewage through aerobic bacteria and microorganisms in a membrane component 9, purifying the high-activity sewage, pumping the oxygen-containing air into a supporting connecting pipe 24 through an air conveying pipe 12 by the air blower 13, entering into a stirring rod 16 through a non-return device 20, and entering into an aeration head 17 through two ends of the stirring rod 16, because the through-hole on the aeration head 17 is reverse symmetry setting, and when the air passed through aeration head 17 and discharged, produce opposite effort, make puddler 16 rotatory round supporting connection pipe 24 under bearing 21's effect, stir the sewage of membrane reaction tank 23, can stir the bubble that produces from aeration head 17 and smash into littleer bubble, the area of contact of oxygen with membrane module 9 has been increased, the inside aerobic microorganism's of membrane module 9 water purification efficiency has been improved, water after will purifying is pumped through self priming pump 11, the processing to sewage has been realized.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A membrane bioreactor integrated sewage treatment device comprises a device main body (1), wherein a filter tank (2), an adjusting tank (6), an aeration tank (22) and a membrane reaction tank (23) are sequentially arranged on the device main body (1) from left to right, a reflux pump (10), a self-priming pump (11), an air blower (13) and a motor (14) are arranged on the outer side of the device main body (1), the membrane bioreactor integrated sewage treatment device is characterized in that a water inlet (3) is fixedly arranged at the left end of the filter tank (2), a filter screen (4) is arranged on the filter tank (2), powerful sewage suction pumps (5) are respectively arranged at the tops of two side tank walls of the adjusting tank (6), a stirring shaft (8) is arranged at the output end of the motor (14), a plurality of stirring blades (7) are arranged on the stirring shaft (8), an aeration pipe (15) is flatly arranged at the bottom of the aeration tank (22), one end of the aeration pipe (15) penetrates through, one end of the air blower (13) far away from the aeration pipe (15) is provided with an air delivery pipe (12), the air delivery pipe (12) is provided with a plurality of air delivery pipes, one end of each air delivery pipe penetrates through the bottom of the device main body (1) and extends into the membrane reaction tank (23), one end of each air delivery pipe is fixedly provided with a support connecting pipe (24), each support connecting pipe (24) is provided with a non-return device (20), the non-return device (20) is internally provided with a sealing rubber ball (19), the sealing rubber ball (19) is provided with a spring (18), one end of the spring (18) is fixedly connected with the non-return device (20), one end of the support connecting pipe (24) is provided with a bearing (21), the outer side of the circumference of the bearing (21) is fixedly provided with an agitation rod (16), and two ends of the agitation rod (16) are symmetrically provided with two aeration heads, the membrane reaction tank (23) is detachably connected with a membrane assembly (9), the membrane assembly (9) is communicated with a self-priming pump (11) through a pipeline, and two ends of a reflux pump (10) are respectively communicated with an aeration tank (22) and the membrane reaction tank (23).

2. The membrane bioreactor integrated sewage treatment plant according to claim 1, wherein the number of the powerful sewage suction pumps (5) is two, wherein the output end and the input end of one powerful sewage suction pump (5) respectively extend into the bottom of the filtering tank (2) and the regulating tank (6), and the output end and the input end of the other powerful sewage suction pump (5) respectively extend into the top of the regulating tank (6) and the aeration tank (22).

3. The membrane bioreactor integrated sewage treatment plant according to claim 1, wherein the stirring blades (7) are circumferentially and symmetrically arranged on the stirring shaft (8) at equal intervals, the aeration pipes (15) are arranged at the bottom of the aeration tank (22) in a rectangular square matrix, a plurality of air outlet holes are arranged on the aeration pipes (15), and a sealing rubber plug with a cross-shaped top opening is arranged on each air outlet hole.