CN116375205A - Circulation Multiplication Bioreactor - Google Patents

Abstract

The invention discloses a circulation multiplication biological comprehensive reactor. The circulation multiplication biological comprehensive reactor comprises a reactor body, wherein the reactor body is provided with a baffle plate, the baffle plate divides the reactor body into an anoxic denitrification zone, an aerobic nitrification zone, a diversion nitrification zone and a high-efficiency sedimentation zone which are communicated in sequence, the reactor body is also provided with a deep nitrification plug flow zone and a denitrification filtration zone, a laminar flow guide plate, a sedimentation assisting inclined plate and an overflow weir are arranged in the high-efficiency sedimentation zone, a gap is formed between the bottom of the laminar flow guide plate and the bottom of the high-efficiency sedimentation zone to form a laminar flow channel, the high-efficiency sedimentation zone is communicated with the deep nitrification plug flow zone through the overflow weir, sewage from the diversion nitrification zone enters the laminar flow channel of the high-efficiency sedimentation zone, the high-efficiency sedimentation zone is communicated with the deep nitrification plug flow zone through the laminar flow channel, and the deep nitrification plug flow zone is communicated with the anoxic denitrification zone. The circulation multiplication biological comprehensive reactor has the advantages of less power equipment, low energy consumption and good purifying effect.

Description

Circulation Multiplication Bioreactor

technical field

The invention relates to the technical field of sewage treatment, in particular to a circulation multiplication biological comprehensive reactor.

Background technique

Biological multiplication (Bio-Dopp) process is an advanced sewage treatment technology in the activated sludge method. Usually, the treatment tank is divided into water inlet area, lifting area, aeration area and mud-water separation area. Small footprint, no need for pipes to connect areas, low cost. In the sedimentation process, the sludge is usually settled by its own weight, and the direction of sludge sedimentation is different from the direction of sewage flow, resulting in low sedimentation efficiency.

Contents of the invention

The technical problem to be solved by the present invention is to provide a high-efficiency sedimentation circulation multiplication bio-comprehensive reactor.

In order to solve the above problems, the present invention provides a circulation multiplication bio-integrated reactor, the circulation multiplication bio-integration reactor includes a reactor body, the reactor body is provided with partitions, and the partitions divide the reactor body to form sequentially connected The anoxic denitrification zone, aerobic nitrification zone, diversion nitrification zone and high-efficiency precipitation zone, the reactor body also has a deep nitrification push-flow zone and a denitrification filter zone, and the high-efficiency precipitation zone is equipped with a laminar flow guide plate, sinking aid inclined plate and overflow weir, the laminar flow guide plate, sinking aid inclined plate and overflow weir are arranged from bottom to top in sequence, between the bottom of the laminar flow guide plate and the bottom of the high-efficiency sedimentation zone There are gaps to form a laminar flow channel, the high-efficiency sedimentation zone communicates with the deep nitrification push-flow zone through an overflow weir, and the sewage from the diversion nitrification zone enters the laminar flow channel of the high-efficiency sedimentation zone, and the high-efficiency sedimentation zone The laminar flow channel communicates with the deep nitrification push-flow zone, and the deep nitrification push-flow zone communicates with the anoxic denitrification zone.

Further, the laminar flow guide plate is obliquely arranged in the high-efficiency sedimentation area, and the side of the laminar flow guide plate facing the sewage inlet is inclined.

Further, the sloping plate for aiding settling is installed in the high-efficiency settling area on the side facing the sewage water inlet.

Further, there is an interval between the partitions forming the diversion nitrification zone and the partitions forming the high-efficiency precipitation zone, so as to form a water inlet channel.

Further, a deflector inclined towards the water inlet channel is provided in the diversion nitrification zone.

Further, the aerobic nitrification zone and diversion nitrification zone are both provided with an aeration mechanism.

Further, a cleaning pipe is arranged in the high-efficiency precipitation area.

Further, the overflow weir extends into the bottom of the denitrification filter zone, and the top of the denitrification filter zone is provided with a drain.

Further, there is a backwash mechanism at the bottom of the denitrification filter area.

Further, the aerobic nitrification area is also provided with a return pipe connected to the anoxic denitrification area, and the bottom of the aerobic nitrification area is provided with a triangular drainage area, and the bottom of the triangular drainage area is provided with independently controlled aeration mechanism, the water inlet end of the return pipe is located at the top of the triangular drainage area, the water inlet end of the return pipe has a first water inlet and a second water inlet, and the first water inlet communicates with the top of the triangular drainage area, The second water inlet is arranged vertically.

The circulation multiplying bio-comprehensive reactor of the present invention is equipped with a settling-assisting sloping plate in the high-efficiency settling area, which prevents the sludge from rising and increases the sludge settling speed, and is also equipped with a laminar flow guide plate to effectively avoid disturbance to the upper part of the high-efficiency settling area , to further accelerate the sedimentation of the sludge, while the high-efficiency sedimentation zone communicates with the deep nitrification push-flow zone through the laminar flow channel, and the deep nitrification push-flow zone communicates with the anoxic denitrification zone, so that the sludge can be circulated in the In each area, the sludge settling speed is increased at the same time, the sludge content circulating in each area is at least doubled compared with the traditional one, and the purification effect is better.

Description of drawings

Fig. 1 is a structural schematic diagram of a preferred embodiment of the loop multiplication bio-integrated reactor of the present invention.

Fig. 2 is a sectional view of A-A in Fig. 1 .

Fig. 3 is a sectional view of B-B in Fig. 1 .

Fig. 4 is a sectional view of C-C in Fig. 1 .

Fig. 5 is a cross-sectional view of D-D in Fig. 1 .

Fig. 6 is a schematic structural diagram of the partition between the aerobic nitrification zone and the high-efficiency precipitation zone.

The meanings of each label in the accompanying drawings are:

Reactor body a, partition a1, equipment room 1, fan 11, anoxic denitrification zone 2, first zone 21, second zone 22, third zone 23, water inlet 24, air stirring device 25, aerobic nitrification Area 3, return pipe 31, aeration mechanism 32, triangular drainage area 33, diversion nitrification area 4, deflector plate 41, high-efficiency sedimentation area 5, laminar flow guide plate 51, sinking inclined plate 52, cleaning pipe 53, overflow Flow weir 54 , deep nitrification push flow area 6 , outfall 61 , denitrification filter area 7 , backwash mechanism 71 , water inlet channel 8 .

Detailed ways

The present invention will be further described below in conjunction with accompanying drawing.

As shown in Figures 1 to 6, the preferred embodiment of the circulation multiplication bioreactor of the present invention includes a reactor body a, and the reactor body a is provided with a partition a1, and the partition a1 divides the reactor body a to form Equipment room 1, anoxic denitrification zone 2, aerobic nitrification zone 3, diversion nitrification zone 4, high-efficiency precipitation zone 5, deep nitrification push flow zone 6 and denitrification filter zone 7, the anoxic denitrification zone 2, The aerobic nitrification zone 3 , the diversion nitrification zone 4 and the high-efficiency precipitation zone 5 are sequentially connected, and the high-efficiency precipitation zone 5 is connected with the deep nitrification push-flow zone 6 and the denitrification filter zone 7 at the same time. The equipment room 1 is used to place a fan 11 .

The anoxic denitrification zone 2 is provided with a water inlet 24, and the sewage to be treated enters the anoxic denitrification zone 2 from the water inlet 24, and the anoxic denitrification zone 2 includes a first zone 21 and a second zone connected in sequence. 22 and the third zone 23, the first zone 21 and the second zone 22 are communicated through the bottom, and the second zone 22 and the third zone 23 are communicated through the top, without increasing the length of the anoxic denitrification zone 2 , effectively prolonging the time of sewage in anoxic denitrification zone 2. The water inlet 24 is located in the first area 21 . An air stirring device 25 is also provided in the first zone 21 and the second zone 22, and the air stirring device 25 is connected with the fan 11 in the equipment room 1, and the air stirring device 25 is used to stir the sewage to complete the stirring mass transfer process , the air stirring device 25 is. Anoxic denitrification zone 2 denitrifies and releases phosphorus from sewage.

An aeration mechanism 32 is arranged in the aerobic nitrification zone 3 , the aeration mechanism 32 is located at the bottom of the aerobic nitrification zone 3 , and the aeration mechanism 32 is connected with the fan 11 of the equipment room 1 . The high-concentration biomass decomposes the organic matter in the sewage quickly and efficiently under the aerobic and micro-aerobic state, and removes ammonia nitrogen and phosphorus at the same time. In addition, according to the differences in the types of influent pollutants, it is also possible to add biological fillers and powder activated carbon in the aerobic nitrification zone 3 to increase the stability and treatment efficiency of the aerobic nitrification zone 3. The aerobic nitrification zone 3 is provided with a return pipe 31 connected to the second zone 22 of the anoxic denitrification zone 2, and the bottom of the aerobic nitrification zone 3 is provided with a triangular drainage zone 33, and the bottom of the triangular drainage zone 33 is provided with There is an independently controlled aeration mechanism 32, that is, the aeration mechanism 32 in this area is controlled separately from other aeration mechanisms 32 in the nitrification zone 3, and the water inlet end of the return pipe 31 has a first water inlet and a water inlet. The second water inlet, the first water inlet is horizontally arranged to communicate with the top of the triangular drainage area, the second water inlet is vertically arranged, and the gas ejected by the aeration mechanism 32 flows from the first water inlet of the return pipe 31 at the top of the triangular drainage area 33 When the first water inlet enters, the gas moves from bottom to top in the return pipe 31, which will reduce the pressure of the second water inlet, so that the second water inlet will absorb sewage, thereby returning the sewage to the anoxic denitrification zone. The structure does not need to add a reflux pump and set up a separate gas source for gas lift and reflux. The pool structure is used to complete the purpose of nitrating liquid reflux, reducing manufacturing costs and operating energy consumption.

The end of the aerobic nitrification zone 3 communicates with the diversion nitrification zone 4 through the bottom, and the top of the diversion nitrification zone 4 communicates with the high-efficiency precipitation zone 5 to form a partition for the diversion nitrification zone 4 There is an interval between a1 and the partition a1 forming the high-efficiency precipitation zone 5 to form a water inlet channel 8 through which the diversion nitrification zone 4 and the high-efficiency precipitation zone 5 are connected. The diversion nitrification zone 4 is provided with an aeration mechanism 32 and a deflector 41, the aeration mechanism 32 is arranged at the bottom of the diversion nitrification zone 4, and the gas released by the aeration mechanism 32 rises to drive the muddy water For upward flow, the deflector 41 is arranged on the top of the diversion nitrification zone 4 , and the deflector 41 guides the sewage to flow to the high-efficiency sedimentation zone 5 . The deflector 41 is arranged obliquely on the top of the deflector nitrification zone 4 , and the thrust and flow of sewage can be adjusted by adjusting the angle of inclination of the deflector 41 .

The high-efficiency sedimentation zone 5 is provided with a laminar flow guide plate 51, a sinking-assisting sloping plate 52, a cleaning pipe 53 and an overflow weir 54, and the laminar flow guiding plate 51, the sinking-assisting sloping plate 52 and the overflow weir 54 successively Bottom-up setting. There is a gap between the bottom of the laminar flow guide plate 51 and the bottom of the high-efficiency sedimentation zone 5 to form a laminar flow channel. The laminar flow guide plate 51 can prevent the turbulent flow formed by the excessive water flow in the bottom part area. The coagulation of biological sludge causes adverse effects and prevents the purpose of sludge deposition at the bottom; the laminar flow guide plate 51 is obliquely arranged in the high-efficiency sedimentation zone 5, and the side of the laminar flow guide plate 51 is inclined towards the sewage inlet, so It can better buffer the flow rate of sludge. The settling-assisting sloping plate 52 is installed on the side of the high-efficiency sedimentation zone 5 inclined toward the sewage water inlet, so that the flow rate of the sludge can be well homogenized, and disturbance to the middle of the high-efficiency sedimentation zone 5 can be avoided. The high-efficiency precipitation zone 5 communicates with the deep nitrification push-flow zone 6 through the overflow weir 54, and the sewage from the diversion nitrification zone 4 enters the laminar flow channel of the high-efficiency precipitation zone 5, and the high-efficiency precipitation zone 5 passes through The laminar flow channel communicates with the deep nitrification push flow zone 6 , and the deep nitrification push flow zone communicates with the anoxic denitrification zone 2 . The cleaning pipe 53 is arranged above the laminar flow guide plate 51, the cleaning pipe 53 is provided with an air outlet, the cleaning pipe 53 is connected with the blower fan 11, and the cleaning pipe 53 ejects gas from the air outlet to stir the gas The high-efficiency sedimentation zone 5 is used to clean the mud accumulated on the sloping plate 52 to help settling. Since the partition a1 between the aerobic nitrification zone 3 and the high-efficiency sedimentation zone 5 is inclined, the cross-sectional area of the bottom flow surface of the high-efficiency sedimentation zone 5 can be reduced, and the sludge caused by insufficient flow velocity at the bottom can be prevented. deposition.

There is a backwashing mechanism 71 at the inner bottom of the denitrification filter area 7, and the backwashing mechanism 71 includes a water washing pipe or an air washing pipe, or a combination of the two, and the backwashing mechanism 71 is activated according to requirements. The overflow weir 54 extends into the bottom of the denitrification filter zone 7, and light, sponge, and fiber-based multimedia filter materials are arranged in the denitrification filter zone 7 to further filter clear water. The top of the denitrification filter zone 7 A drain port 61 is provided, and clean water is discharged from the drain port 61 .

The deep nitrification pushing flow zone 6 is provided with an aeration mechanism 32 to push the sewage and sludge into the anoxic denitrification zone 2 .

The settling-assisting inclined plate 52 is set in the high-efficiency settling zone 5, which blocks the rise of the sludge and increases the sludge settling speed, and is also provided with a laminar flow guide plate 51, which effectively avoids disturbance to the middle of the high-efficient settling zone 5, and further accelerates the sludge. The sedimentation of the mud, while the high-efficiency sedimentation zone 5 communicates with the deep nitrification push-flow zone 6 through the laminar flow channel, and the deep nitrification push-flow zone 6 communicates with the anoxic denitrification zone 2. Under the joint action of the diversion nitrification zone 4 and the deep nitrification push flow zone, the sludge in the system can be guided only through the structure of the pool without energy consumption, so that it can be quickly circulated in each zone, and at the same time, the sludge settles The speed is increased, the sludge content circulating in each area is at least doubled compared with the traditional process, and the purification effect is better.

The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structures made using the description of the present invention and the contents of the accompanying drawings are directly or indirectly used in other related technical fields, and are equally applicable to the present invention. within the scope of patent protection.

Claims (10)

1. A circulation multiplying bio-integrated reactor, characterized in that: it comprises a reactor body, and the reactor body is provided with a partition, and the partition divides the reactor body to form successively connected anoxic denitrification zones, aerobic nitrification zone, diversion nitrification zone and high-efficiency sedimentation zone, the reactor body also has a deep nitrification push-flow zone and a denitrification filter zone, and the high-efficiency precipitation zone is equipped with a laminar flow guide plate, a sinking inclined plate and an overflow weir , the laminar flow guide plate, sinking aid ramp and overflow weir are arranged sequentially from bottom to top, there is a gap between the bottom of the laminar flow guide plate and the bottom of the high-efficiency settling area to form a laminar flow channel, the high-efficiency The sedimentation zone communicates with the deep nitrification push-flow zone through the overflow weir, and the sewage from the diversion nitrification zone enters the laminar flow channel of the high-efficiency sedimentation zone, and the high-efficiency sedimentation zone communicates with the deep nitrification push-flow zone through the laminar flow channel. The flow area is connected, and the deep nitrification pushing flow area is connected with the anoxic denitrification area. 2. The circulating multiplication bio-integrated reactor according to claim 1, characterized in that: the laminar flow guide plate is obliquely arranged in the high-efficiency sedimentation area, and the side of the laminar flow guide plate facing the sewage water inlet is inclined. 3. The circulation multiplication bio-integrated reactor according to claim 1, characterized in that: said settling-assisting sloping plate is inclined to the side of sewage inflow and arranged in said high-efficiency settling area. 4. The circulation multiplying biosynthetic reactor as claimed in claim 1, characterized in that: there is an interval between the dividing plate forming the diversion nitrification zone and the dividing plate forming the high-efficiency precipitation zone, so as to form a water inlet channel . 5. The circulating multiplication bio-integrated reactor according to claim 4, characterized in that: a deflector inclined towards the water inlet channel is provided in the diversion nitrification zone. 6. The circulating multiplication bio-integrated reactor according to claim 1, characterized in that: both the aerobic nitrification zone and the diversion nitrification zone are provided with an aeration mechanism. 7. The circulation multiplication bio-integrated reactor according to claim 1, characterized in that: a cleaning pipe is arranged in the high-efficiency precipitation area. 8. The circulation multiplication biosynthetic reactor according to claim 1, characterized in that: the overflow weir extends into the bottom of the denitrification filter zone, and the top of the denitrification filter zone is provided with a drain. 9. The circulating multiplication bio-integrated reactor according to claim 1, characterized in that: there is a backwash mechanism at the bottom of the denitrification filter area. 10. The circulation multiplying biological comprehensive reactor as claimed in claim 1, characterized in that: the aerobic nitrification zone is also provided with a return pipe connected to the anoxic denitrification zone, and the bottom of the aerobic nitrification zone is provided with a triangular Drainage area, the bottom of the triangular drainage area is provided with an independently controlled aeration mechanism, the water inlet end of the return pipe is located at the top of the triangular drainage area, and the water inlet end of the return pipe has a first water inlet and a second water inlet. A water inlet, the first water inlet communicates with the top of the triangular drainage area, and the second water inlet is arranged vertically.

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