CN215798770U

CN215798770U - Aeration tank assembly

Info

Publication number: CN215798770U
Application number: CN202122393100.3U
Authority: CN
Inventors: 蔡勤杰; 李斌
Original assignee: Hubei Rongcheng Recycling Technology Co ltd
Current assignee: Hubei Rongcheng Recycling Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-11
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses an aeration tank assembly, which comprises an aeration tank body, a secondary sedimentation tank and a sediment separation device, wherein the upper end of the side wall of the aeration tank body is provided with an overflow port, the lower end of the aeration tank body is provided with a water outlet, the lower end of the secondary sedimentation tank is provided with a mud liquid outlet, the side wall of the secondary sedimentation tank is provided with a water outlet, the sediment separation device is provided with a water inlet, a water outlet and a sediment outlet, the overflow port of the aeration tank body is communicated with the secondary sedimentation tank, the mud liquid outlet of the secondary sedimentation tank is communicated with the interior of the aeration tank body through a first water pump, the water outlet of the secondary sedimentation tank is used for discharging sewage to downstream equipment, the water outlet of the aeration tank body is communicated with the water inlet of the sediment separation device through a second water pump, the sediment separation device is used for separating calcified sediment in the sewage, the water outlet of the sediment separation device is communicated with the interior of the aeration tank body, so that calcified sludge in the aeration tank body can be separated and discharged in time, meanwhile, the loss of aerobic sludge in the aeration tank body is reduced.

Description

Aeration tank assembly

Technical Field

The utility model belongs to the field of sewage treatment equipment, and particularly relates to an aeration tank assembly.

Background

The existing aerobic treatment method for discharging calcified sludge comprises the following steps: the aeration tank goes out water and gets into two heavy ponds through cell body upper portion overflow mouth and deposit, and two heavy pond bottom mud major pump income aeration tank intake end, and the few part is through intermittent discharge to low reaches treatment facility, and its shortcoming lies in:

1. the overflow water outlet mode can not lead most of calcified sludge with higher specific gravity to enter a secondary sedimentation tank from the aeration tank;

2. the calcified sludge discharged from the bottom of the secondary sedimentation tank is not ineffective, and most of the calcified sludge is effective aerobic sludge.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide an aeration tank assembly having a simple structure, which can separate silt (calcified sludge) in an aeration tank and reduce aerobic sludge loss in the aeration tank.

In order to achieve the purpose, the technical scheme of the utility model is as follows: an aeration tank assembly comprises an aeration tank body, a secondary sedimentation tank and a sediment separation device, wherein the upper end of the side wall of the aeration tank body is provided with an overflow port, the lower end of the aeration tank body is provided with a water outlet, the lower end of the secondary sedimentation tank is provided with a mud liquid outlet, a water outlet is arranged on the side wall of the secondary sedimentation tank, the silt separating device is provided with a water inlet, a water outlet and a silt outlet, an overflow port of the aeration tank body is communicated with the inside of the secondary sedimentation tank, a sludge liquid outlet of the secondary sedimentation tank is communicated with the inside of the aeration tank body through a first water pump, the water outlet of the secondary sedimentation tank is used for discharging sewage to downstream equipment, the water outlet of the aeration tank body is communicated with the water inlet of the sediment separation device through a second water pump, the silt separation device is used for separating silt after calcification in sewage, and a water outlet of the silt separation device is communicated with the interior of the aeration tank body.

The beneficial effects of the technical scheme are as follows: so can make this internal sewage of aeration tank overflow toward two in sinking the pond constantly, and the mud that overflows among the sewage in two sink the pond can deposit in two sink the pond, and the mud that finally deposits can return to aeration tank originally internally through first water pump, and this internal calcified mud (silt) of aeration tank can deposit in the bottom of aeration tank body, and or along with sewage together discharge to separate in the silt separator, and the silt of separating arrangement of separating can discharge silt, the sewage (carrying the aerobic sludge that the proportion is lighter than silt in it) that separates through silt separator flows back to aeration tank originally internally simultaneously, so make this internal calcified mud of aeration tank can in time separate the discharge, reduce the loss of this internal aerobic sludge of aeration tank simultaneously.

In the above technical scheme the silt separation device includes cyclone and holding vessel, cyclone has water inlet, delivery port and silt export, cyclone's water inlet with the delivery port intercommunication of second water pump, cyclone's delivery port with this internal intercommunication of aeration tank, cyclone's silt export with the holding vessel intercommunication, the lower extreme of holding vessel is equipped with row's husky mouth, just the row's husky mouth department of holding vessel is equipped with first valve.

The beneficial effects of the technical scheme are as follows: its simple structure, and its separation effect is good, and can collect the silt that the cyclone separates by the holding vessel, but the silt of collecting in the holding vessel is regularly discharged simultaneously.

Still include the collecting pit among the above-mentioned technical scheme, the collecting pit sets up the below of collecting pit, the row's husky mouth of collecting pit is used for discharging silt extremely in the collecting pit, just the lower extreme of collecting pit is equipped with the mud export, the mud export of collecting pit passes through slush pump and sludge treatment equipment intercommunication, and is equipped with the second valve in intercommunication department.

The beneficial effects of the technical scheme are as follows: therefore, the silt discharged from the collecting tank in the collecting tank can be collected, and is conveyed to sludge treatment equipment by a mud pump for treatment at regular intervals.

The sludge treatment equipment in the technical scheme is a sludge filter press.

The beneficial effects of the technical scheme are as follows: thus, the sludge can be dried.

In the technical scheme, the lower end of the collecting tank is close to the sand discharge port, a flushing port is arranged at the position of the sand discharge port, the flushing port is communicated with a water outlet of high-pressure water supply equipment, and a third valve is arranged at the position of the communication.

The beneficial effects of the above technical scheme are that: so can avoid the sand discharge port of the collecting tank to be blocked by silt when discharging sand.

Drawings

FIG. 1 is a schematic view of the structure of an aeration tank assembly according to an embodiment of the present invention.

In the figure: 1 aeration tank body, 11 sixth valve, 2 secondary sedimentation tank, 21 fourth valve, 22 fifth valve, 3 silt separation device, 31 cyclone separator, 32 collection tank, 33 first valve, 4 first water pump, 5 second water pump, 6 collection tank, 7 slurry pump, 71 second valve, 8 sludge treatment equipment, 9 high pressure water supply equipment, 91 third valve.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1, the embodiment provides an aeration tank assembly, which comprises an aeration tank body 1, a secondary sedimentation tank 2 and a sediment separation device 3, wherein an overflow port is arranged at the upper end of the side wall of the aeration tank body 1, a water outlet is arranged at the lower end of the aeration tank body 1, a mud liquid outlet is arranged at the lower end of the secondary sedimentation tank 2, a water outlet is arranged on the side wall of the secondary sedimentation tank 2, the sediment separation device 3 has a water inlet, a water outlet and a sediment outlet, the overflow port of the aeration tank body 1 is communicated with the interior of the secondary sedimentation tank 2, the mud liquid outlet of the secondary sedimentation tank 2 is communicated with the interior of the aeration tank body 1 through a first water pump 4, preferably, a fourth valve 21 is arranged at the communication position of the mud liquid outlet of the secondary sedimentation tank and the water inlet of the first water pump, the water outlet of the secondary sedimentation tank is arranged at the upper end of the side wall, and a fifth valve 22 is arranged at the water outlet of the secondary sedimentation tank, the water outlet of the secondary sedimentation tank 2 is used for discharging sewage to downstream equipment, the water outlet of the aeration tank body 1 is communicated with the water inlet of the sediment separation device 3 through a second water pump 5, preferably, a sixth valve 11 is arranged at the communication position of the water outlet of the aeration tank body and the water inlet of the second water pump, the sediment separation device 3 is used for separating calcified sediment in the sewage, the water outlet of the sediment separation device 3 is communicated with the aeration tank body 1, so that the sewage in the aeration tank body can continuously overflow into the secondary sedimentation tank, the sludge in the sewage overflowing into the secondary sedimentation tank can be precipitated in the secondary sedimentation tank, the finally precipitated sludge can return into the aeration tank body through the first water pump, and the calcified sludge (sediment) in the aeration tank body can be deposited at the bottom of the aeration tank body and can be discharged into the sediment separation device together with the sewage for separation, the separated silt can discharge the silt separating device, and simultaneously, sewage (carrying aerobic sludge with the specific gravity being lighter than that of the silt) separated by the silt separating device flows back into the aeration tank body, so that calcified sludge in the aeration tank body can be separated and discharged in time, and the loss of the aerobic sludge in the aeration tank body is reduced.

Among the above-mentioned technical scheme mud and sand separator 3 includes cyclone 31 and accumulator 32, cyclone 31 has water inlet, delivery port and silt export, cyclone 31's water inlet with the delivery port intercommunication of second water pump 5, cyclone 31's delivery port with this internal intercommunication of aeration tank, cyclone 31's silt export with accumulator 32 intercommunication, accumulator 32's lower extreme is equipped with row's husky mouth, just accumulator 32's row husky mouth department is equipped with first valve 33, its simple structure, and its separation effect is good, and can collect the silt that cyclone was separated by the accumulator, but the silt of collecting in the accumulator is regularly discharged simultaneously. The upper end of the side wall of the collecting tank can be provided with a transparent observation window, so that whether the silt in the collecting tank is full or not can be observed, and if the silt is full, the first valve can be opened to discharge the silt in the collecting tank.

Still include the collecting pit 6 among the above-mentioned technical scheme, collecting pit 6 sets up the below of collecting pit 32, the sediment outflow mouth of collecting pit 32 is used for discharging silt extremely in the collecting pit 6, just the lower extreme of collecting pit 6 is equipped with the mud export, the mud export of collecting pit 6 passes through slush pump 7 and sludge treatment equipment 8 intercommunication, and is equipped with second valve 71 in intercommunication department, so can be collected by discharged silt in the collecting pit, and it is handled to sludge treatment equipment to be carried by the slush pump regularly simultaneously.

In the technical scheme, the sludge treatment equipment 8 is a sludge filter press, so that sludge can be dried.

In the above technical scheme the lower extreme of accumulator tank 32 is close to arrange husky mouth department and be equipped with and wash the mouth, wash the delivery port intercommunication of mouth and high pressure water supply equipment 9 (like high-pressure water pump), and be equipped with third valve 91 in the intercommunication department, silt jam appears when so can avoiding the accumulator to arrange husky mouth row sand.

Preferably, the bottom wall in aeration tank body and the secondary sedimentation tank is concave cone, and the delivery port of aeration tank body sets up the position department at the bottom end of the bottom wall in aeration tank body, and in the same way, the mud liquor export of secondary sedimentation tank sets up the position department at the bottom end of the bottom wall in the secondary sedimentation tank, so be convenient for mud or silt to discharge.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An aeration tank assembly is characterized by comprising an aeration tank body (1), a secondary sedimentation tank (2) and a sediment separation device (3), wherein an overflow port is arranged at the upper end of the side wall of the aeration tank body (1), a water outlet is arranged at the lower end of the aeration tank body (1), a mud liquid outlet is arranged at the lower end of the secondary sedimentation tank (2), a water outlet is arranged on the side wall of the secondary sedimentation tank (2), the sediment separation device (3) is provided with a water inlet, a water outlet and a sediment outlet, the overflow port of the aeration tank body (1) is communicated with the interior of the secondary sedimentation tank (2), the mud liquid outlet of the secondary sedimentation tank (2) is communicated with the interior of the aeration tank body (1) through a first water pump (4), the water outlet of the secondary sedimentation tank (2) is used for discharging sewage to downstream equipment, the water outlet of the aeration tank body (1) is communicated with the water inlet of the sediment separation device (3) through a second water pump (5), silt separator (3) are used for the silt separation after calcification in the sewage, the delivery port of silt separator (3) with communicate in aeration tank body (1).

2. The aeration tank assembly according to claim 1, wherein the silt separating apparatus (3) comprises a cyclone (31) and a collection tank (32), the cyclone (31) has a water inlet, a water outlet and a silt outlet, the water inlet of the cyclone (31) is communicated with the water outlet of the second water pump (5), the water outlet of the cyclone (31) is communicated with the interior of the aeration tank body (1), the silt outlet of the cyclone (31) is communicated with the collection tank (32), the lower end of the collection tank (32) is provided with a silt discharge port, and the silt discharge port of the collection tank (32) is provided with a first valve (33).

3. The aeration tank assembly according to claim 2, further comprising a collection tank (6), wherein the collection tank (6) is arranged below the collection tank (32), a sand discharge port of the collection tank (32) is used for discharging silt into the collection tank (6), a sludge outlet is arranged at the lower end of the collection tank (6), the sludge outlet of the collection tank (6) is communicated with a sludge treatment device (8) through a mud pump (7), and a second valve (71) is arranged at the communication position.

4. The aeration tank assembly according to claim 3, wherein the sludge treatment apparatus (8) is a sludge filter press.

5. The aeration tank assembly according to any one of claims 2 to 4, wherein the lower end of the collection tank (32) is provided with a flushing port near the sand discharge port, the flushing port is communicated with a water outlet of a high-pressure water supply device (9), and a third valve (91) is arranged at the communication position.