CN218106897U

CN218106897U - Waste liquid collecting tank and sewage treatment system

Info

Publication number: CN218106897U
Application number: CN202222337365.6U
Authority: CN
Inventors: 张永进; 姜玉寿; 蔡高文
Original assignee: Suzhou Xingong Environment Engineering Technology Co ltd
Current assignee: Suzhou Xingong Environment Engineering Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-23
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a waste liquid collecting pit and sewage treatment system, wherein the waste liquid collecting pit includes the cell body, be provided with the trunk line that both ends extend to the cell body outside in the cell body, parallelly connected drainage pipe way and backwash pipeline are connected to the first end of trunk line, the drainage pipe way is including the flowmeter that is located its liquid outlet end, parallelly connected liquid inlet pipe way and backwash return line are connected to the second end of trunk line, the liquid outlet that is close to the cell body bottom of offering on the cell body is connected to the feed liquor end of liquid inlet pipe way, backwash return line's liquid outlet end extends to in the cell body, be provided with the filter in the trunk line. When the utility model drains water, the water in the pool body is filtered by the filter in the main pipeline, and the water body passing through the pump is fully filtered, thereby effectively avoiding the problem that the pump is blocked to influence the flow; on the other hand, increase backwash pipeline and return line and can carry out the backwash to the filter, and directly retrieve the cell body with backwash water in, the maintenance of the waste liquid collecting pit of being convenient for has improved the security of maintaining.

Description

Waste liquid collecting tank and sewage treatment system

Technical Field

The utility model belongs to the technical field of the environmental protection equipment and specifically relates to waste liquid collecting pit and sewage treatment system.

Background

The waste liquid collecting tank is a container for collecting waste water to be treated in the sewage treatment process.

At present in the waste water trade, like the structure that the chinese utility model patent of application number 202122108744.3 disclosed, it is provided with filtration structure in the department of intaking to carry out the filtration of intaking in this kind of mechanism, though these structures can play certain filtering action, but waste liquid collecting tank operation back a period, its bottom forms deposit or debris easily, block up the pump easily, influence the water yield, consequently still need clean by the manual work, and artificial airtight space of entering, there is the safety risk easily, influence workman's health, downtime is longer simultaneously, equipment maintenance cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a waste liquid collecting tank and a sewage treatment system.

The purpose of the utility model is realized through the following technical scheme:

the waste liquid collecting tank comprises a tank body, wherein a main pipeline is arranged in the tank body, two ends of the main pipeline extend to the outside of the tank body, a first end of the main pipeline is connected with a liquid discharge pipeline and a backwashing pipeline which are connected in parallel, the liquid discharge pipeline comprises a flow meter which is located at a liquid outlet end of the liquid discharge pipeline, a second end of the main pipeline is connected with a liquid inlet pipeline and a backwashing return pipeline which are connected in parallel, a liquid inlet end of the liquid inlet pipeline is connected with a liquid outlet which is arranged on the tank body and is close to the bottom of the tank body, a liquid outlet end of the backwashing return pipeline extends into the tank body, and a filter is arranged in the main pipeline.

Preferably, in the waste liquid collecting pool, the liquid discharge pipeline comprises a branch pipeline, the branch pipeline is connected with a first tee joint connected with the first end, and a first valve body, a pump and the flowmeter are sequentially arranged on the branch pipeline along the liquid discharge direction.

Preferably, in the waste liquid collecting tank, the backwashing pipeline comprises a liquid supply branch and/or a gas supply branch.

Preferably, in the waste liquid collecting tank, the liquid supply branch and the gas supply branch are connected with a gas-liquid mixer, and the gas-liquid mixer is connected with a first tee joint arranged at the first end through a backwashing output pipeline.

Preferably, in the waste liquid collecting pit, the inlet pipe of liquid inlet pipeline and second three way connection, the second three way connection be in the second end, be provided with on the inlet pipe and be close to the second three-way second valve body.

Preferably, in the waste liquid collecting tank, the backwash return pipe comprises a return pipe connected with a second tee joint, the second tee joint is connected to the second end, and a third valve body close to the second tee joint is arranged on the return pipe.

Preferably, in the waste liquid collecting tank, the discharge end of the backwashing return line is positioned in a filter basket in the tank body.

Preferably, in the waste liquid collecting tank, the filter is a microporous filter.

Preferably, in the waste liquid collecting tank, the first valve body, the second valve body and the third valve body are automatic valves and are connected with a PLC system, and the PLC system is further connected with the flowmeter, the pump and a gas source of the liquid supply branch and/or the gas supply branch.

A sewage treatment system comprising any of the above-described waste liquid collection tanks.

The utility model discloses technical scheme's advantage mainly embodies:

the utility model discloses a main pipe is set up in the pond to make one end of main pipe connect liquid outlet and return line, the other end connects backwash pipeline and drainage pipeline, sets up the filter in the main pipe simultaneously, when the equipment drainage, the water in the cell body is filtered through the filter in the main pipe, and the water body that passes through the pump is fully filtered, thereby has avoided the pump to block up the problem that influences the flow effectively; on the other hand, increase backwash pipeline and return line and can carry out the backwash to the filter, and directly retrieve the cell body with backwash water in, the maintenance of the waste liquid collecting pit of being convenient for has improved the security of maintaining, and can effectively reduce the maintenance time, and the down time is short.

The utility model discloses a backwash pipeline has integrateed steam, gas washing, steam and has combined multiplex cleaning mode, can adjust according to actual need in a flexible way to guarantee clear validity.

The utility model discloses a return line's play liquid end stretches into and filters the basket in, can make the backwash waste collection down in filtering the basket to reduce the impurity of backwash water effectively and further pollute the water in the cell body.

The utility model discloses the valve body on each way adopts the automatic valve, can realize flowing back and backwash's automatic execution with the cooperation of PLC system effectively, need not artificial intervention, and degree of automation is high.

Drawings

FIG. 1 is a schematic view of a waste liquid collection tank of the present invention;

FIG. 2 is a schematic view of a waste liquid collecting tank with a filter basket according to the present invention;

fig. 3 is a schematic view of the waste liquid collecting tank of the present invention, showing the valve body filled with black color in the closed state and the valve body filled with white color in the open state;

fig. 4 is a schematic diagram of the waste liquid collecting tank of the present invention, which is used for backwashing the filter, wherein the black filled valve body shows that the filter is in a closed state, and the white filled valve body shows that the filter is in an open state.

Detailed Description

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.

In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

The waste liquid collecting tank disclosed in the present invention is illustrated below with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, the waste liquid collecting tank includes a tank body 100, and the shape and material of the tank body 100 may be designed as required, which is not limited herein. Be provided with both ends in the cell body 100 and extend to the trunk line 200 in the cell body 100 outside, trunk line 200 passes promptly the cell body 100, the pipe diameter and the material of trunk line 200 can be designed as required equally, do not limit here. The two ends of the main pipeline 200 are respectively provided with a flange 0 to facilitate connection with peripheral pipelines, the first end of the main pipeline 200 is connected with a liquid discharge pipeline 300 and a backwashing pipeline 400 which are connected in parallel, the liquid discharge pipeline 300 comprises a flow meter 301 located at the liquid outlet end thereof, the second end of the main pipeline 200 is connected with a liquid inlet pipeline 500 and a backwashing backflow pipeline 600 which are connected in parallel, the liquid inlet end of the liquid inlet pipeline 500 is connected with a liquid outlet which is arranged on the tank body 100 and is close to the bottom of the tank body 100, the liquid outlet end of the backwashing backflow pipeline 600 extends into the tank body 100, and a filter 700 is arranged in the main pipeline 200.

As shown in fig. 1, the liquid drainage pipeline 300 includes a main branch pipeline 302, the branch pipeline 302 is connected to a first tee (not shown in the figure) connected to the first end, a first valve 303, a pump 304 and the flowmeter 301 are sequentially disposed on the branch pipeline 302 along a liquid drainage direction, a pressure valve, a check valve and other components are further disposed on the branch pipeline 302, and when the pump 304 is started, waste liquid in the tank 100 can be drained from the liquid outlet, the liquid inlet pipeline 500, the main pipeline 200 and the branch pipeline 302.

As shown in fig. 1, the backwash circuit 400 includes a liquid supply branch 401 and/or a gas supply branch 402, which may be of known and feasible construction. In this embodiment, a liquid supply branch 401 and/or a gas supply branch 402 are provided, the liquid supply branch 401 and the gas supply branch 402 are connected to a gas-liquid mixer 403, the gas-liquid mixer 403 is connected to the first tee joint arranged at the first end through a backwashing output pipeline 404, and water and vapor can be mixed through the gas-liquid mixer 403, so that the filter can be flushed cleaner through aeration.

As shown in fig. 1, the liquid supply branch 401 includes a water source, a backwash liquid pipe 405, and a fourth valve 406 disposed on the backwash liquid pipe 405, the water source is, for example, a normally open faucet, one end of the backwash liquid pipe 405 is connected to the water source, and the other end of the backwash liquid pipe 405 is connected to the gas-liquid mixer 403. Air feed branch 402 includes air supply, gas supply line 407 and sets up the fifth valve body 408 on gas supply line 407, the air supply can be feasible equipment such as air compressor machine, air-blower, the end of giving vent to anger of air supply is connected to gas supply line 407's one end, gas supply line 407's the other end is connected gas-liquid mixer 403.

As shown in fig. 1, a liquid inlet pipe 501 of the liquid inlet pipeline 500 is connected to a second tee (not shown in the figure) connected to a second end of the pipeline 200, and a second valve body 502 close to the second tee is disposed on the liquid inlet pipe 501.

As shown in fig. 1, the backwash return line 600 includes a return line 601 connected to the second tee, and a third valve 602 is disposed on the return line 601 and close to the second tee.

As shown in fig. 2, the discharge end of the backwash return pipeline 600 is located in the filter basket 800 in the tank body, and impurities after backwash can be filtered and collected in the filter basket 800 under the action of the filter basket 800, so that the impurities are effectively prevented from entering the tank body again, and the filter basket 800 is located at the top of the tank body for subsequent maintenance of the filter basket 800.

The filter 700 is a known microporous filter, but may be other possible filters, and is not limited herein.

In this embodiment, the readings of the flow meter can be observed manually, so as to control the start and stop of the pump, the valve body, the water source and the gas source.

Example 2

This embodiment has the same overall structure as embodiment 1 described above, except that: the first valve body 303, the second valve body 502 and the third valve body 602 are automatic valves, such as pneumatic valves or electromagnetic valves, and are connected to a PLC system, and the PLC system is further connected to the flow meter 301, the pump 304 and the gas sources of the liquid supply branch 401 and/or the gas supply branch 402.

When water needs to be drained, as shown in fig. 3, the PLC controls the first valve body 303 and the second valve body 502 to open, the third valve body, the fourth valve body, and the fifth valve body to close, and the pump 304 is started to drain water.

When the PLC system determines that the water flow rate decreases to a predetermined value according to the flow meter 301, as shown in fig. 4, the PLC system controls the pump 304 to stop, then close the first valve body 303 and the second valve body 502, open the third valve body 602, the fourth valve body 406, and the fifth valve body, and open the air source of the air supply branch 402, so as to implement water washing and/or air washing of the filter 700, and the backwashed water and/or air can blow impurities on the filter 700 into the filter basket 800 to implement filtration. The whole process can be automatically carried out without manual intervention, and the automation degree is higher. The connection and control of the PLC system to the valve bodies, flow meters, pumps, gas sources, etc. is known in the art and will not be described herein.

Example 3

The embodiment discloses a sewage treatment system, which comprises the waste liquid collecting tank of the embodiment.

The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.

Claims

1. Waste liquid collecting tank, including the cell body, its characterized in that: the sewage treatment device is characterized in that a main pipeline is arranged in the pool body, two ends of the main pipeline extend to the outer side of the pool body, a first end of the main pipeline is connected with a liquid discharge pipeline and a backwashing pipeline which are connected in parallel, the liquid discharge pipeline comprises a flow meter which is located at a liquid outlet end of the liquid discharge pipeline, a second end of the main pipeline is connected with a liquid inlet pipeline and a backwashing backflow pipeline which are connected in parallel, a liquid inlet end of the liquid inlet pipeline is connected with a liquid outlet which is arranged on the pool body and is close to the bottom of the pool body, a liquid outlet end of the backwashing backflow pipeline extends into the pool body, and a filter is arranged in the main pipeline.

2. The effluent collection sump of claim 1, wherein: the liquid discharge pipeline comprises a branch pipeline, the branch pipeline is connected with a first tee joint connected with the first end, and a first valve body, a pump and the flowmeter are sequentially arranged on the branch pipeline along the liquid discharge direction.

3. The effluent collection sump of claim 2, wherein: the backwash pipeline comprises a liquid supply branch and/or a gas supply branch.

4. The effluent collection sump of claim 3, wherein: the liquid supply branch and the gas supply branch are connected with a gas-liquid mixer, and the gas-liquid mixer is connected with a first tee joint arranged at the first end through a backwashing output pipeline.

5. The waste liquid collection tank of claim 4, wherein: the feed liquor pipeline and the second tee junction of admission pipeline, the second tee junction be in the second end, be provided with on the feed liquor pipeline and be close to the second three-way second valve body.

6. The effluent collection sump of claim 5, wherein: the backwashing backflow pipe comprises a backflow pipeline connected with a second tee joint, the second tee joint is connected to the second end, and a third valve body close to the second tee joint is arranged on the backflow pipeline.

7. The effluent collection sump of claim 1, wherein: and the discharge end of the backwashing return pipeline is positioned in the filter basket in the tank body.

8. The effluent collection sump of claim 1, wherein: the filter is a microporous filter.

9. The effluent collection sump of claim 6, wherein: the first valve body, the second valve body and the third valve body are automatic valves and are connected with a PLC system, and the PLC system is further connected with the flow meter, the pump and a gas source of the liquid supply branch and/or the gas supply branch.

10. Sewage treatment system, its characterized in that: comprising a waste liquid collection tank according to any of claims 1-9.