CN209906577U

CN209906577U - Sewage biological treatment tank and sewage treatment system composed of same

Info

Publication number: CN209906577U
Application number: CN201920587360.4U
Authority: CN
Inventors: 邓勇; 张绍忠; 黄志纯
Original assignee: Hubei Duorui Pharmaceutical Co Ltd
Current assignee: Hubei Duorui Pharmaceutical Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-01-07
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a biological sewage treatment tank and a sewage treatment system composed of the same, which comprises a tank body, wherein the tank body is provided with an upward notch, a hollow plate is arranged in the tank body to divide the tank body into a lower chamber and an upper chamber which are communicated from top to bottom, the side wall of the tank body is provided with a sewage inlet and a flushing port which are communicated with the lower chamber, the bottom wall of the tank body is provided with a sludge outlet communicated with the lower chamber, the upper chamber is filled with a sponge layer attached with biological strains, an aeration pipe is laid between the hollow plate and the sponge layer, the sludge outlet is provided with a first valve, and the flushing port is provided with a second valve; enclose on the lateral wall of cell body and be equipped with the bounding wall that the round level set up, just the periphery of bounding wall turns up the turn-ups, the bounding wall with the lateral wall of cell body encloses and closes a notch catch basin upwards, the bounding wall lower extreme be equipped with one with the sewage outlet of catch basin intercommunication, its simple structure.

Description

Sewage biological treatment tank and sewage treatment system composed of same

Technical Field

The utility model belongs to the field of sewage treatment equipment, especially, relate to a biological sewage treatment tank and sewage treatment system who constitutes thereof.

Background

Because the organic matter content in the sewage of pharmaceutical enterprises is higher, and the sewage volume is big, consequently pharmaceutical factory sewage must carry out sewage treatment when discharging, and current treatment facility's utilization ratio is low, and sewage treatment effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide a biological sewage treatment tank with simple structure and good sewage purification effect.

In order to solve the technical problem, an object of the present invention is to provide a biological sewage treatment tank, which comprises a tank body, wherein a hollow plate is arranged inside the tank body with a notch facing upwards, the tank body is divided into a lower chamber and an upper chamber which are communicated with each other vertically by the hollow plate, a sewage inlet and a flushing port which are respectively communicated with the lower chamber are arranged on the side wall of the tank body, a sludge outlet communicated with the lower chamber is arranged on the bottom wall of the tank body, a sponge layer attached with biological strains is filled in the upper chamber, an aeration pipe is laid between the hollow plate and the sponge layer, a first valve is arranged at the sludge outlet, and a second valve is arranged at the flushing port; the outer side wall of the tank body is fixedly provided with a circle of enclosing plate which is horizontally arranged, the periphery of the enclosing plate is turned upwards, the enclosing plate and the outer side wall of the tank body enclose a water collecting tank with a notch facing upwards, and the lower end of the enclosing plate is provided with a sewage outlet communicated with the water collecting tank.

Above-mentioned technical scheme's beneficial effect lies in, its simple structure, when letting in sewage, sewage from bottom to top overflow to the water catch bowl internal diameter sewage export discharge of overflowing through cell body notch department, overflow the in-process from bottom to top and carry out abundant contact with the intraformational biological bacterial of sponge at sewage, and let in the air by the aeration pipe, make the abundant organic composition with in the sewage of biological bacterial react, and mud in the sewage then subsides at the tank bottom, stops equipment transportation and washes the cavity under the cell body during equipment maintenance.

In the technical scheme, the activated carbon bag is arranged in the water collecting tank.

Above-mentioned technical scheme's beneficial effect lies in, further adsorbs by the pollutant in the sewage that the active carbon package will get into the water catch bowl, carries out further purification to sewage outlet exhaust water.

In the technical scheme, the bottom wall of the tank body is horn-shaped, the smaller end of the opening faces downwards, and the smaller end of the opening forms the sludge outlet.

The beneficial effects of the technical scheme are that the sludge is convenient to deposit and is convenient to discharge.

In the technical scheme, the flushing ports are provided with a plurality of flushing ports which are uniformly distributed on the side wall of the lower chamber and communicated with one end of the same trunk pipe, and the second valve is arranged at the other end of the trunk pipe.

Above-mentioned technical scheme's beneficial effect lies in, is favorable to improving the washing effect.

The invention also aims to provide a sewage treatment system which has simple structure, high use efficiency, high sewage treatment efficiency and high equipment utilization rate.

In order to achieve the above purpose, the technical solution of the present invention is as follows: a sewage treatment system comprises a grid tank, an aeration tank, a purification tank, a blower device and the sewage biological treatment tank, the water inlet of the grating tank is communicated with the water outlet of a workshop blow-off pipe, the water outlet of the grating tank is communicated with the water inlet of the aeration tank, and the water inlet of the aeration tank is provided with a third valve, the water outlet of the aeration tank is communicated with the sewage inlet, and a fourth valve is arranged on the water outlet of the aeration tank, the sewage outlet is communicated with the water inlet of the purification tank, the air pipe interface of the aeration tank and the air inlet of the aeration pipe are both communicated with the air outlet of the air blowing device, and a fifth valve is arranged on an air pipe connector of the aeration tank, a sixth valve is arranged at the communication position of the aeration pipe and the air outlet of the air blowing device, and the other connector of the second valve is communicated with a municipal water supply pipe.

The technical scheme has the beneficial effects that the result is simple, the sewage is pretreated by the grid pond, then the sewage in the grid pond is discharged into the aeration tank for aeration treatment, the sewage is settled after the aeration treatment, the settled sewage is discharged into the sewage biological treatment tank for secondary purification treatment, and the sewage treated by the sewage biological treatment tank is purified and discharged by the water purifying device.

In the technical scheme, the aeration tank is provided with a plurality of aeration tanks, the water inlets of the plurality of aeration tanks are communicated with the water outlets of the grid tank, the water outlets of the plurality of aeration tanks are communicated with the sewage inlet, each water inlet of the aeration tank is provided with a third valve, each water outlet of the aeration tank is provided with a fourth valve, and each air pipe connector of the aeration tank is provided with a fifth valve.

The technical scheme has the advantages that the plurality of aeration tanks alternately operate, so that the sewage biological treatment tank can continuously work, and the utilization rate of equipment is improved.

In the technical scheme, the purifying tank comprises a tank body and a filter plate, the filter plate is horizontally arranged in the tank body and divides the tank body into an upper part and a lower part, a water outlet is formed in the bottom of the tank body, and a grain shell layer and a cinder layer are sequentially filled on the filter plate from bottom to top.

The technical scheme has the beneficial effects that the structure is simple, and the sewage after being treated by the sewage biological treatment tank can be filtered and purified and then discharged.

Drawings

FIG. 1 is a schematic view of a sewage biological treatment tank according to embodiment 1 of the present invention;

FIG. 2 is a diagram showing the distribution of a plurality of flushing ports in a biological wastewater treatment tank according to example 1 of the present invention;

FIG. 3 is a schematic view of a sewage treatment system according to embodiment 2 of the present invention;

fig. 4 is a schematic structural diagram of a purification tank according to embodiment 2 of the present invention.

In the figure, 1, a sewage biological treatment tank, 11 tank bodies, 111 sewage inlets, 112 flushing ports, 1121 second valves, 113 sludge outlets, 1131 first valves, 114 enclosing plates, 1141 sewage outlets, 12 hollow plates, 13 sponge layers, 14 aeration pipes, 141 sixth valves, 2 grid tanks, 3 aeration tanks, 31 third valves, 32 fourth valves, 33 fifth valves, 4 purification tanks, 41 tank bodies, 42 filter plates, 421 chaff layers, 422 cinder layers and 5 air blowing devices.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, the present embodiment provides a biological sewage treatment tank, including a tank body 11, where a notch of the tank body 11 faces upward, and a hollow plate 12 is disposed inside the tank body, the hollow plate 12 divides the tank body 11 into a lower chamber and an upper chamber which are communicated with each other vertically, a sewage inlet 111 and a flushing port 112 are disposed on a side wall of the tank body 11 and respectively communicated with the lower chamber, a sludge outlet 113 communicated with the lower chamber is disposed on a bottom wall of the tank body, a sponge layer 13 with biological strains attached thereto is filled in the upper chamber, an aeration pipe 14 is disposed between the hollow plate 12 and the sponge layer 13, a first valve 1131 is disposed at the sludge outlet 113, and a second valve 1121 is disposed at the flushing port 112; the outer side wall of the tank body 11 is fixedly surrounded with a circle of enclosing plate 114 which is horizontally arranged, the periphery of the enclosing plate is flanged upwards, the enclosing plate 114 and the outer side wall of the tank body 11 are surrounded to form a water collecting tank with an upward notch, and the lower end of the enclosing plate 114 is provided with a sewage outlet 1141 communicated with the water collecting tank. Its simple structure, when letting in sewage, sewage from bottom to top overflow to the water catch bowl internal diameter sewage export through cell body notch department and discharge, carry out abundant contact with the intraformational biological bacterial of sponge at sewage from bottom to top overflow in-process, and let in the air by the aeration pipe, make the abundant organic composition with in the sewage of biological bacterial react, and mud in the sewage then subsides at the tank bottom, stops equipment and washes the cell body cavity down during equipment maintenance.

The activated carbon bag is placed in the water collecting tank in the technical scheme, so that pollutants in the sewage entering the water collecting tank can be further adsorbed by the activated carbon bag, and the water discharged from the sewage outlet is further purified.

In the above technical scheme, the bottom wall of the tank body 11 is horn-shaped, the smaller end of the opening faces downwards, and the smaller end of the opening forms the sludge outlet 113, so that sludge can be deposited conveniently, and sludge can be discharged conveniently.

As shown in fig. 2, in the above technical solution, the plurality of flushing ports 112 are provided, the plurality of flushing ports 112 are uniformly distributed on the side wall of the lower chamber, the plurality of flushing ports 112 are all communicated with one end of the same main pipe, and the second valve 1121 is disposed at the other end of the main pipe, which is beneficial to improving the flushing effect.

The principle is as follows, when letting in sewage, close first valve and second valve, let in the air through the aeration pipe for the interior sewage of cell body overflows to the water catch bowl and discharges in from bottom to top, and when carrying out clean maintenance to the cell body in, stop to let in sewage, open first valve, discharge mud and sewage in it, open the second valve again and wash in the lower cavity, also can wash by water on the sponge layer from the cell body notch department by people certainly.

Example 2

As shown in fig. 3, the embodiment provides a sewage treatment system, which comprises a grid tank 2, an aeration tank 3, a purification tank 4, an air blowing device 5 and the above-mentioned biological sewage treatment tank 1, wherein a water inlet of the grid tank 2 is communicated with a water outlet of a workshop sewage pipe, a water outlet of the grid tank 2 is communicated with a water inlet of the aeration tank 3, a water inlet of the aeration tank 3 is provided with a third valve 31, a water outlet of the aeration tank 3 is communicated with the sewage inlet 111, a water outlet of the aeration tank 3 is provided with a fourth valve 32, a sewage outlet 1141 is communicated with a water inlet of the purification tank 4, an air pipe connector of the aeration tank 3 and an air inlet of the aeration pipe 14 are both communicated with an air outlet of the air blowing device 5, a fifth valve 33 is arranged on an air pipe connector of the aeration tank 3, a sixth valve 141 is arranged at a communication position of the aeration pipe 14 and an air outlet of the air blowing device 5, the other interface of the second valve 1121 is communicated with a municipal water supply pipe, so that the result is simple, sewage is pretreated by the grid tank, then the sewage in the grid tank is discharged into the aeration tank for aeration treatment, the sewage is settled after the aeration treatment, the settled sewage is discharged into the sewage biological treatment tank for secondary purification treatment, and the sewage treated by the sewage biological treatment tank is purified and discharged by the water purifying device.

In the technical scheme, the aeration tanks 3 are provided with a plurality of water inlets of the aeration tanks 3 which are communicated with the water outlets of the grid tank 2, the water outlets of the aeration tanks 3 which are communicated with the sewage inlet 111, the water inlet of each aeration tank 3 is provided with a third valve 31, the water outlet of each aeration tank 3 is provided with a fourth valve 32, the air pipe connector of each aeration tank 3 is provided with a fifth valve 33, and the aeration tanks operate alternately, so that the sewage biological treatment tank can work continuously, and the utilization rate of equipment is improved.

Wherein, the other interface of the first valve is communicated with the inlet of a sludge pump, and the outlet of the sludge pump can be guided into any aeration tank for sedimentation through a pipeline.

As shown in fig. 4, in the above technical solution, the purifying tank 4 includes a tank body 41 and a filter plate 42, the filter plate 42 is horizontally disposed in the tank body 41, and divides the tank body 41 into an upper portion and a lower portion, a water outlet is disposed at the bottom of the tank body 41, and a grain layer 421 and a coal cinder layer 422 are sequentially filled on the filter plate 42 from bottom to top, wherein a tank port at the upper end of the purifying tank forms a water inlet thereof, i.e., a sewage outlet of the biological sewage treatment tank directly discharges sewage into the purifying tank through a tank port at the upper end of the purifying tank.

In the present embodiment, the flow of the sewage among the grid basin, the aeration basin, the biological sewage treatment basin and the purification basin preferably uses a height difference to make the sewage flow under the action of gravity (i.e. no water pump is needed), and certainly, a first water pump may be disposed at the water outlet of the grid basin, and the water outlet of the grid basin is communicated with the water inlet of the first water pump, the water outlet of the first water pump is communicated with a plurality of third valves, and a second water pump is disposed at the sewage inlet, wherein the sewage inlet is communicated with the outlet of the second water pump, the inlet of the second water pump is communicated with a plurality of fourth valves, and a third water pump is disposed between the sewage outlet and the purification basin, i.e. the water inlet of the third water pump is communicated with the sewage outlet, and the water outlet of the third water pump is led into the basin port of the purification basin through a pipeline.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A biological sewage treatment tank is characterized by comprising a tank body (11), wherein a notch of the tank body (11) faces upwards, a hollow plate (12) is arranged in the tank body, the tank body (11) is divided into a lower chamber and an upper chamber which are communicated up and down by the hollow plate (12), a sewage inlet (111) and a flushing port (112) which are respectively communicated with the lower chamber are formed in the side wall of the tank body (11), a sludge outlet (113) communicated with the lower chamber is formed in the bottom wall of the tank body, a sponge layer (13) attached with biological strains is filled in the upper chamber, an aeration pipe (14) is laid between the hollow plate (12) and the sponge layer (13), a first valve (1131) is arranged at the sludge outlet (113), and a second valve (1121) is arranged at the flushing port (112); the fixed bounding wall (114) that enclose and be equipped with the round level setting on the lateral wall of cell body (11), just the periphery of bounding wall upturns, bounding wall (114) with enclose between the lateral wall of cell body (11) and close and form a notch water catch bowl up, bounding wall (114) lower extreme be equipped with one with sewage outlet (1141) of water catch bowl intercommunication.

2. The biological wastewater treatment basin of claim 1, wherein an activated carbon bag is disposed in the water collection basin.

3. The biological sewage treatment tank according to claim 1 or 2, wherein the bottom wall of the tank body (11) is flared, and the smaller end of the opening faces downward and forms the sludge outlet (113).

4. The wastewater biological treatment tank according to claim 3, wherein the plurality of the flushing ports (112) are provided, and the plurality of the flushing ports (112) are uniformly distributed on the side wall of the lower chamber, the plurality of the flushing ports (112) are all communicated with one end of the same main pipe, and the second valve (1121) is arranged at the other end of the main pipe.

5. A sewage treatment system is characterized by comprising a grid tank (2), an aeration tank (3), a purification tank (4), an air blowing device (5) and the biological sewage treatment tank (1) as claimed in any one of claims 1 to 4, wherein a water inlet of the grid tank (2) is communicated with a water outlet of a workshop sewage discharge pipe, a water outlet of the grid tank (2) is communicated with a water inlet of the aeration tank (3), a third valve (31) is arranged at the water inlet of the aeration tank (3), a water outlet of the aeration tank (3) is communicated with a sewage inlet (111), a fourth valve (32) is arranged at the water outlet of the aeration tank (3), a sewage outlet (1141) is communicated with the water inlet of the purification tank (4), an air pipe connector of the aeration tank (3) and an air inlet of an aeration pipe (14) are both communicated with an air outlet of the air blowing device (5), and a fifth valve (33) is arranged on an air pipe interface of the aeration tank (3), a sixth valve (141) is arranged at the communication position of the aeration pipe (14) and the air outlet of the air blowing device (5), and the other interface of the second valve (1121) is communicated with a municipal water supply pipe.

6. The sewage treatment system according to claim 5, wherein a plurality of aeration tanks (3) are provided, the water inlets of the aeration tanks (3) are all communicated with the water outlets of the grid tank (2), the water outlets of the aeration tanks (3) are all communicated with the sewage inlet (111), a third valve (31) is provided at the water inlet of each aeration tank (3), a fourth valve (32) is provided at the water outlet of each aeration tank (3), and a fifth valve (33) is provided at the air pipe connector of each aeration tank (3).

7. The sewage treatment system according to claim 5 or 6, wherein the purification tank (4) comprises a tank body (41) and a filter plate (42), the filter plate (42) is horizontally arranged in the tank body (41) and divides the tank body (41) into an upper part and a lower part, a water outlet is arranged at the bottom of the tank body (41), and a grain layer (421) and a coal cinder layer (422) are sequentially filled on the filter plate (42) from bottom to top.