CN210261289U

CN210261289U - Double-mould internal circulation domestic sewage treatment device

Info

Publication number: CN210261289U
Application number: CN201920860341.4U
Authority: CN
Inventors: 胡遵琪; 钟灵; 赵晓东
Original assignee: Anhui Qinglan Environmental Protection Engineering Co ltd
Current assignee: Anhui Qinglan Environmental Protection Engineering Co ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-04-07
Anticipated expiration: 2029-06-10

Abstract

The utility model belongs to the technical field of domestic sewage treatment, concretely relates to bimodulus inner loop domestic sewage treatment ware, including the cell body, the cell body is separated for anoxic zone, aerobic zone and MBR filtering area that catchments by the baffle, aerobic zone and MBR filtering area that catchments are located same water layer, and both are located the cell body lower half, and anoxic zone is located the first half of cell body, MBR filtering area that catchments's upper end and anoxic zone intercommunication, MBR filtering area that catchments communicates each other through the sharing wall of grid form with aerobic zone, and anoxic zone communicates through vertical passageway and aerobic zone bottom, and MBR filtering area that catchments and aerobic zone's bottom is equipped with the aeration array. The utility model discloses with anoxic zone, good oxygen pond and MBR system integration in sewage treatment system in a pond, utilize the impact of aeration to make sewage flow in each reaction zone inner loop, realized domestic sewage treatment system's design that integrates, control process is simple, and administrative cost is low, and equipment area is little, is applicable to small-scale decentralized sewage treatment.

Description

Double-mould internal circulation domestic sewage treatment device

Technical Field

The utility model belongs to the technical field of domestic sewage treatment, concretely relates to bimodulus inner loop domestic sewage treatment ware.

Background

The existing domestic sewage treatment system mainly utilizes the biochemical reaction of microorganisms in different oxygen content environments to absorb and digest nitrogen, phosphorus, organic matters and the like in sewage, so that the oxygen content of each reaction tank needs to be monitored in real time in the operation process of the existing sewage treatment system, the control of the oxygen content is realized by utilizing an aeration device, each reaction tank generally operates independently, the sewage needs to be repeatedly circulated among the reaction tanks, the whole control process is more complicated, the occupied area of the system is larger, and the system is not beneficial to realizing small-scale distributed treatment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two mould inner loop domestic sewage treatment wares that area is little, the management is simple, the operation efficiency is high.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bimodulus inner loop domestic sewage treatment ware, includes the cell body, the cell body is separated for anoxic zone, aerobic zone and MBR filtering zone that catchments by the baffle, aerobic zone and MBR filtering zone that catchments are located same water layer, and both are located the cell body lower half, anoxic zone is located the cell body first, MBR filtering zone that catchments's upper end and anoxic zone intercommunication, MBR filtering zone that catchments communicates each other through the shared wall of grid-like with aerobic zone, anoxic zone passes through vertical passageway and aerobic zone bottom intercommunication, MBR filtering zone that catchments and aerobic zone's bottom is equipped with the aeration array, be equipped with the oxygen deficiency biomembrane filler in the anoxic zone, be equipped with aerobic biomembrane filler in the aerobic zone, be equipped with the subassembly in the MBR filtering zone that catchments.

The upper end of the MBR water-collecting filtering area is provided with an exhaust device, the exhaust device comprises a gas-collecting hood which is arranged in an arch shape, the top of the gas-collecting hood is provided with an exhaust pipeline, and the port on the exhaust pipeline is communicated to the outside of the tank body and the height of the upper port which is higher than the sewage liquid level in the tank body.

And a current collecting plate arranged at an interval with the gas collecting hood is arranged beside the gas collecting hood, the lower end of the current collecting plate is communicated with a partition plate at the top of the aerobic zone, the upper end of the current collecting plate is gradually folded towards the center of the pool body, and the upper end of the current collecting plate is not closed.

And a rotational flow stirrer is arranged at the center of the anoxic zone.

The vertical channel is arranged along the side wall of the tank body, and a guide plate which is gradually inclined towards the side wall of the tank body from top to bottom is arranged at the top of the anoxic zone above the vertical channel.

The top of the aerobic zone is communicated with the exhaust pipeline through an exhaust branch pipe.

And the exhaust pipeline is provided with a pressure regulating valve.

The top end of the anoxic zone is provided with an exhaust port.

The tank body is a rectangular tank body, the aerobic zones are two, the MBR water-collecting filtering zone is clamped between the two aerobic zones, and the gas-collecting hood and the flow-collecting plate are of long strip-shaped structures arranged along the length direction of the tank body.

The tank body is a circular tank body, the MBR water-collecting filtering area is positioned in the center of the tank body, and the aerobic area is an annular area arranged around the MBR water-collecting filtering area.

The utility model discloses the technological effect who gains does: the utility model discloses with anoxic zone, good oxygen pond and MBR system integration in sewage treatment system in a pond, utilize the impact of aeration to make sewage flow in each reaction zone inner loop, realized domestic sewage treatment system's design that integrates, control process is simple, and administrative cost is low, and equipment area is little, is applicable to small-scale decentralized sewage treatment.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a dual-mode internal circulation domestic sewage treatment device provided by an embodiment of the present invention;

fig. 2 is a schematic view of the arrangement structure of the aerobic zone and the MBR water-collecting and filtering zone of the dual-mode internal circulation domestic sewage treatment device provided by one embodiment of the present invention;

fig. 3 is a schematic view of the arrangement structure of the aerobic zone and the MBR water-collecting and filtering zone of the dual-mode internal circulation domestic sewage treatment device according to another embodiment of the present invention.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments. It is to be understood that the following text is only intended to describe one or several particular embodiments of the invention, and does not strictly limit the scope of the claims specifically claimed.

As shown in fig. 1, a dual-mode internal circulation domestic sewage treatment device comprises a tank body 10, wherein the tank body 10 is divided into an anoxic zone 11, an aerobic zone 12 and an MBR water collecting and filtering zone 13 by partition plates, the aerobic zone 12 and the MBR water collecting and filtering zone 13 are located on the same water layer and located on the lower half part of the tank body 10, the anoxic zone 11 is located on the upper half part of the tank body 10, the upper end of the MBR water collecting and filtering zone 13 is communicated with the anoxic zone 11, the MBR water collecting and filtering zone 13 is communicated with the aerobic zone 12 through a common wall in a grid shape, the anoxic zone 11 is communicated with the bottom of the aerobic zone 12 through a vertical channel 14, the bottoms of the MBR water collecting and filtering zone 13 and the aerobic zone 12 are provided with an aeration array 15, anoxic biomembrane packing 111 is arranged in the anoxic zone 11, aerobic biomembrane packing 121 is arranged in the aerobic zone 12, and an MBR assembly 131 is arranged; sewage in the tank body 10 circularly flows along the following paths: anoxic zone 11 → aerobic zone 12 → MBR catchment filtration zone 13 → anoxic zone 11. The utility model discloses a MBR subassembly 131 and aerobic zone 12 set up in cell body 10 bottom, more be close aeration array 15, the aeration flushing effect of oxygenating efficiency and MBR subassembly 131 of aerobic zone 12 has been improved, the 10 tops of cell body of anoxic zone 11 setting keep away from aeration array 15, it is excessive to avoid anoxic zone 11 oxygen, utilize the impact rivers that the aeration produced and the vertical circulation of the 12 water strokes in the aerobic zone of lower floor simultaneously, reduced the equipment energy consumption when guaranteeing that sewage fully flows. The utility model discloses with anoxic zone, good oxygen pond and MBR system integration in sewage treatment system in a pond, utilize the impact of aeration to make sewage flow in each reaction zone inner loop, realized domestic sewage treatment system's design that integrates, control process is simple, and administrative cost is low, and equipment area is little, is applicable to small-scale decentralized sewage treatment.

Further, the upper end of the MBR water collecting and filtering area 13 is provided with an exhaust device, the exhaust device comprises a gas collecting hood 132 which is arranged in an arch shape, the top of the gas collecting hood 132 is provided with an exhaust pipeline 16, and an upper port of the exhaust pipeline 16 is communicated to the outside of the tank body 10 and the height of the upper port is higher than the height of the sewage liquid level in the tank body 10. The exhaust device can directly exhaust the residual gas after passing through the lower water body, so that a large amount of air is prevented from entering the anoxic zone, and the oxygen content of the anoxic zone is ensured to be lower than a critical value all the time.

Preferably, a current collecting plate 133 arranged at an interval with the gas collecting hood 132 is arranged beside the gas collecting hood 132, the lower end of the current collecting plate 133 is communicated with a partition plate at the top of the aerobic zone 12, the upper end of the current collecting plate 133 is gradually folded toward the center of the tank body 10, and the upper end of the current collecting plate 133 is not closed. The center of the anoxic zone 11 is provided with a rotational flow stirrer 112. The collecting plate 133 can collect the upwelled lower water body to the center of the upper water body, and then is sufficiently stirred by the swirl stirrer 112, so that the local water body is prevented from being detained.

Preferably, the vertical passage 14 is arranged along the side wall of the tank body 10, and a guide plate 113 which is gradually inclined from top to bottom towards the side wall of the tank body 10 is arranged at the top of the anoxic zone 11 above the vertical passage 14. The upper water body flows around under the pushing of the rotational flow stirrer 112 and then flows downwards under the guiding of the guide plate 113, so that the smooth circulation of sewage is ensured, and the turbulence is reduced.

Preferably, the top of the aerobic zone 12 is communicated with the exhaust pipeline 16 through an exhaust branch pipe 162, and in the case of a large aeration amount, the residual gas can be directly exhausted from the exhaust branch pipe 162, so as to avoid the air in the gas collecting hood 132 from being largely retained and causing the air to overflow into the anoxic zone 11.

Further, a pressure regulating valve 161 is provided on the exhaust line 16. The pressure regulating valve 161 can keep the pressure of the gas collecting channel 132 to prevent the sewage from entering the exhaust pipeline 16.

Further, the top end of the anoxic zone 11 is provided with a gas outlet 114, and the gas outlet 114 is mainly used for discharging residual gas.

As shown in fig. 2, one of the embodiments of the present invention is: the tank body 10 is a rectangular tank body 10, the aerobic zones 12 are two, the MBR water-collecting filtering zone 13 is clamped between the two aerobic zones 12, and the gas-collecting hood 132 and the current-collecting plate 133 are long-strip-shaped structures arranged along the length direction of the tank body 10.

As shown in fig. 3, another embodiment of the present invention is: the tank body 10 is a circular tank body 10, the MBR water-collecting filtering area 13 is positioned in the center of the tank body 10, and the aerobic area 12 is an annular area arranged around the MBR water-collecting filtering area 13.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The utility model provides a bimodulus internal circulation treatment of domestic sewage ware which characterized in that: the aeration and aeration integrated pool comprises a pool body (10), wherein the pool body (10) is divided into an anoxic zone (11), an aerobic zone (12) and an MBR water-collecting and filtering zone (13) by a partition plate, the aerobic zone (12) and the MBR water-collecting and filtering zone (13) are positioned on the same water layer, the aerobic zone (12) and the MBR water-collecting and filtering zone (13) are positioned on the lower half part of the pool body (10), the anoxic zone (11) is positioned on the upper half part of the pool body (10), the upper end of the MBR water-collecting and filtering zone (13) is communicated with the anoxic zone (11), the MBR water-collecting and filtering zone (13) and the aerobic zone (12) are communicated with each other through a grid-shaped shared wall, the anoxic zone (11) is communicated with the bottom of the aerobic zone (12) through a vertical channel (14), an aeration array (15) is arranged at the bottoms of the water-collecting and filtering zone (12), anoxic biomembrane packing (111) is arranged in the, an MBR component (131) is arranged in the MBR water-collecting filtering area (13).

2. The dual-mode internal circulation domestic sewage treatment apparatus of claim 1, wherein: the upper end of MBR catchment filtering area (13) is equipped with exhaust apparatus, exhaust apparatus includes gas collecting channel (132) that the arch set up, the top of gas collecting channel (132) is equipped with exhaust pipe (16), exhaust pipe (16) upper port communicate to the outside of cell body (10) and the height that highly is higher than the interior sewage liquid level of cell body (10) of this upper port.

3. The dual-mode internal circulation domestic sewage treatment apparatus of claim 2, wherein: the side of the gas collecting hood (132) is provided with a current collecting plate (133) which is arranged at an interval with the gas collecting hood (132), the lower end of the current collecting plate (133) is communicated with a top clapboard of the aerobic zone (12), the upper end of the current collecting plate (133) is gradually folded towards the center of the tank body (10), and the upper end of the current collecting plate (133) is not closed.

4. The dual-mode internal circulation domestic sewage treatment apparatus of claim 3, wherein: the center of the anoxic zone (11) is provided with a rotational flow stirrer (112).

5. The dual-mode internal circulation domestic sewage treatment apparatus of claim 4, wherein: the vertical channel (14) is arranged along the side wall of the tank body (10), and a guide plate (113) which is gradually inclined towards the side wall of the tank body (10) from top to bottom is arranged at the top of the anoxic zone (11) above the vertical channel (14).

6. The dual-mode internal circulation domestic sewage treatment apparatus of claim 5, wherein: the top of the aerobic zone (12) is communicated with the exhaust pipeline (16) through an exhaust branch pipe (162).

7. The dual-mode internal circulation domestic sewage treatment apparatus of claim 6, wherein: and a pressure regulating valve (161) is arranged on the exhaust pipeline (16).

8. The dual-mode internal circulation domestic sewage treatment apparatus of claim 7, wherein: the top end of the anoxic zone (11) is provided with an exhaust port (114).

9. The dual-mode internal circulation domestic sewage treatment apparatus of claim 8, wherein: the pond body (10) are rectangle pond body (10), aerobic zone (12) are two, MBR catchment filtering area (13) presss from both sides between two aerobic zone (12), gas collecting channel (132) and current collecting plate (133) are along the rectangular shape structure of pond body (10) length direction arrangement.

10. The dual-mode internal circulation domestic sewage treatment apparatus of claim 8, wherein: the pond body (10) is circular pond body (10), MBR catchment filtering area (13) are located pond body (10) center, aerobic zone (12) are the annular region that encircles MBR catchment filtering area (13) and set up.