Automatic water pumping and draining device for sludge sedimentation tank

Abstract

The utility model relates to an automatic water pumping and draining device for a sludge sedimentation tank, which is characterized in that an irrigation pipeline is sequentially communicated with a siphon high-position pipeline and a siphon low-position pipeline, the tail end of the siphon low-position pipeline is communicated with a water draining pipeline through a three-way valve, another interface of the three-way valve is communicated with a start-stop main pipeline, and a port of the start-stop main pipeline extends above the sludge surface of the sludge tank; the liquid level pipe is connected to a main water pumping pipeline in a bypass mode, the head end of the main water pumping pipeline is communicated with a siphon high-position pipeline, and a one-way valve is arranged at the head end of the main water pumping pipeline and communicated towards the siphon high-position pipeline. A main water pumping pipeline control valve is arranged at the tail end of the main water pumping pipeline; and the heights of the port of the drainage pipeline, the port of the start-stop main pipeline and the liquid level pipe are sequentially increased. The device disclosed by the utility model has the beneficial effects that clarified water in the sludge sedimentation tank is pumped out by utilizing a siphonic effect without consuming external energy such as electric energy, so that the energy loss is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to an automatic pumping and drainage device for a sludge sedimentation tank. Background Art

[0002] After the sludge has settled in the sludge sedimentation tank for a period of time, the upper clarified water in the sludge sedimentation tank needs to be pumped away for recycling. Operators often use electric water pumps to directly pump water to drain the sludge sedimentation tank, which consumes a lot of electricity and cannot meet the energy-saving and emission reduction needs during sludge treatment. Utility Model Content

[0003] The technical problem to be solved by the utility model is to study an automatic pumping and drainage device for a sludge sedimentation tank, which does not consume external energy after being started, thereby reducing energy loss.

[0004] The technical solution of the utility model to solve the above technical problems is as follows:

[0005] An automatic pumping and drainage device for a sludge sedimentation tank comprises a water filling pipe, a siphon high-position pipe, a siphon low-position pipe, a three-way valve, a liquid level pipe, a main pumping pipe, a one-way valve, a start-stop main pipe and a drainage pipe. The water filling pipe is connected with the siphon high-position pipe and the siphon low-position pipe in sequence. The tail end of the siphon low-position pipe is connected with the drainage pipe through the three-way valve. The other interface of the three-way valve is connected with the start-stop main pipe. The start-stop main pipe port extends above the sludge surface of the sludge tank. The liquid level pipe is connected to the main pumping pipe. The head end of the main pumping pipe is connected with the siphon high-position pipe. A one-way valve is arranged on the head end of the main pumping pipe. The one-way valve is conducted toward the siphon high-position pipe. The tail end of the main pumping pipe is provided with a main pumping pipe control valve. The heights of the drainage pipe port, the start-stop main pipe port and the liquid level pipe are raised in sequence.

[0006] The beneficial effects of the utility model are as follows: a liquid level pipe is arranged at the highest water level of the sludge sedimentation tank, water is poured into the water filling pipe, and the outlet rear section of the siphon pipe high-level pipe, the siphon pipe low-level pipe, the drainage pipe and the one-way valve of the main pumping pipe are kept filled with water; when the clarified water in the sludge sedimentation tank reaches the highest water level, the liquid level pipe is immersed in the clarified water, and the clarified water flows from the liquid level pipe and the main pumping pipe connected to the lower end of the liquid level pipe to the one-way valve, and the gas at the front section of the one-way valve outlet is emptied from the main pumping pipe control valve connected to the upper end of the liquid level pipe, and then the main pumping pipe control valve is closed, at this time, the liquid level pipe and the main pumping pipe flow to the one-way valve and are filled with water, at this time, the high and low liquid level difference between the sludge sedimentation tank and the recovery water tank produces a siphon effect, and the clarified water Water is discharged from the liquid level pipe, the main pumping pipe connected to the lower end of the liquid level pipe, the low-level pipe of the siphon pipe and the drainage pipe in turn, and drives the air in the start-stop main pipe to be discharged from the drainage pipe together; when all the air in the start-stop main pipe is discharged from the start-stop main pipe, the start-stop main pipe is filled with water, and at this time, the siphon effect is generated again due to the high and low liquid level difference between the sludge sedimentation tank and the recovery water tank, and the clarified water is discharged from the start-stop main pipe and the drainage pipe in turn. When the clarified water level is lower than the start-stop main pipe port, the start-stop main pipe inhales air, and the siphon effect disappears and the flow is cut off, that is, the drainage of the sludge sedimentation tank is stopped; this device uses the siphon effect to extract clarified water from the sludge sedimentation tank, does not need to consume external energy, such as electricity, and reduces energy loss.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, the liquid level tube is an adjustable liquid level tube.

[0009] Furthermore, a hole is opened on the upper side of the liquid level tube.

[0010] Furthermore, a start-stop main pipeline control valve is provided on the start-stop main pipeline.

[0011] Furthermore, the irrigation pipes, siphon high-position pipes, siphon low-position pipes, liquid level pipes, main pumping pipes, start-stop main pipes and drainage pipes are all transparent pipes.

[0012] Furthermore, the head end of the irrigation pipe is connected to an external industrial water outlet valve through an external fire hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a structural schematic diagram of an automatic pumping and drainage device for a sludge sedimentation tank.

[0014] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0015] 1. Water filling pipe; 2. Siphon high-level pipe; 3. Siphon low-level pipe; 4. Three-way valve; 5. Liquid level pipe; 6. Main pumping pipe; 7. Main pumping pipe control valve; 8. One-way valve; 9. Start and stop main pipe; 10. Drainage pipe; 11. Start and stop main pipe control valve. DETAILED DESCRIPTION

[0016] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0017] like Figure 1 As shown, the utility model embodiment 1 is an automatic pumping and drainage device for a sludge sedimentation tank, comprising a water filling pipe 1, a siphon high pipe 2, a siphon low pipe 3, a three-way valve 4, a liquid level pipe 5, a main pumping pipe 6, a one-way valve 8, a start-stop main pipe 9 and a drainage pipe 10. The water filling pipe 1 is connected to the siphon high pipe 2 and the siphon low pipe 3 in sequence, and the tail end of the siphon low pipe 3 is connected to the drainage pipe 10 through the three-way valve 4. The other end of the three-way valve 4 is connected to the drainage pipe 10. The mouth is connected to a start-stop main pipeline 9, and the port of the start-stop main pipeline 9 extends into the top of the sludge surface in the sludge pool; the liquid level pipe 5 is connected to the main water pumping pipeline 6, and the head end of the main water pumping pipeline 6 is connected to the siphon high-level pipeline 2. A one-way valve 8 is arranged on the head end of the main water pumping pipeline 6, and the one-way valve 8 is conducted toward the siphon high-level pipeline 2; the tail end of the main water pumping pipeline 6 is provided with a main water pumping pipeline control valve 7, and the port of the drainage pipeline 10, the port of the start-stop main pipeline 9 and the liquid level pipe 5 are increased in height successively.

[0018] The liquid level pipe 5 is set at the highest water level in the sludge sedimentation tank, which is the liquid level height at which the automatic pumping and drainage device is activated, and water is poured into the water filling pipe 1 to keep the siphon high-level pipe 2, the siphon low-level pipe 3, the drainage pipe 10 and the outlet rear section of the one-way valve 8 of the main pumping pipe 6 filled with water; when the clarified water in the sludge sedimentation tank reaches the highest water level, the liquid level pipe 5 is immersed in the clarified water, and the clarified water flows from the liquid level pipe 5 and the main pumping pipe flow 6 connected to the lower end of the liquid level pipe 5 to the one-way valve 8, and the gas in the front section of the one-way valve 8 outlet is emptied from the main pumping pipe control valve 7 connected to the upper end of the liquid level pipe 5, and then the main pumping pipe control valve 7 is closed. At this time, the liquid level pipe 5 and the main pumping pipe flow 6 to the one-way valve 8 are filled with water, and the high and low liquid level difference between the sludge sedimentation tank and the recovery water tank produces a siphon effect. , clarified water is discharged from the liquid level pipe 5, the main pumping pipe 6 connected to the lower end of the liquid level pipe 5, the siphon pipe low-level pipe 3 and the drainage pipe 10 in turn, and drives the air in the start-stop main pipe 9 to be discharged from the drainage pipe 10 together; when all the air in the start-stop main pipe 9 is discharged from the start-stop main pipe 9, the start-stop main pipe 9 is filled with water, at this time, due to the high and low liquid level difference between the sludge sedimentation tank and the recovery water tank, a siphon effect is generated again, and clarified water is discharged from the start-stop main pipe 9 and the drainage pipe 10 in turn. When the clarified water level is lower than the port of the start-stop main pipe 9, the start-stop main pipe 9 inhales air, and the siphon effect disappears and the flow is cut off, that is, the drainage of the sludge sedimentation tank is stopped; this device uses the siphon effect to extract clarified water from the sludge sedimentation tank, does not need to consume external energy, such as electrical energy, and reduces energy loss.

[0019] Embodiment 2 of the utility model is an automatic pumping and drainage device for a sludge sedimentation tank. Based on embodiment 1, the liquid level pipe 5 is an adjustable liquid level pipe. The height of the liquid level pipe 5 can be adjusted according to the position of the highest water level in the sludge sedimentation tank, and the liquid level pipe 5 is set at the highest water level in the sludge sedimentation tank. During specific implementation, the operator lifts or inserts the liquid level pipe 5 to adjust the height of the liquid level pipe 5 in the sedimentation tank.

[0020] Embodiment 3 of the present utility model is an automatic pumping and drainage device for a sludge sedimentation tank. On the basis of embodiment 2, a hole is opened on the upper side of the liquid level pipe 5 to facilitate the introduction of clarified water, increase the water inlet capacity, and thus improve the startup speed of the device.

[0021] Embodiment 4 of the present utility model is an automatic pumping and drainage device for a sludge sedimentation tank. On the basis of embodiment 1, a start-stop main pipeline control valve 11 is provided on the start-stop main pipeline 9. The start-stop main pipeline control valve 11 is used to control the conduction of the start-stop main pipeline 9, thereby controlling the drainage of the automatic pumping and drainage device.

[0022] Embodiment 5 of the utility model is an automatic pumping and drainage device for a sludge sedimentation tank. Based on embodiment 1, the water filling pipe 1, the siphon high pipe 2, the siphon low pipe 3, the liquid level pipe 5, the main pumping pipe 6, the start-stop main pipe 9 and the drainage pipe 10 are all transparent pipes. It is convenient for technicians to observe the liquid level in the pipe, and when encountering a drainage fault, they can quickly find and identify the fault point.

[0023] Embodiment 6 of the utility model is an automatic drainage device for a sludge sedimentation tank. Based on any one of embodiments 1 to 5, the head end of the water pipe 1 is connected to the external industrial water outlet valve through an external fire hose. External industrial water is used for drainage to save water resources.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic pumping and drainage device for a sludge sedimentation tank, characterized in that: The invention comprises a water filling pipe (1), a siphon high-position pipe (2), a siphon low-position pipe (3), a three-way valve (4), a liquid level pipe (5), a main pumping pipe (6), a one-way valve (8), a start-stop main pipe (9) and a drainage pipe (10), wherein the water filling pipe (1) is connected with the siphon high-position pipe (2) and the siphon low-position pipe (3) in sequence, the tail end of the siphon low-position pipe (3) is connected with the drainage pipe (10) through the three-way valve (4), the other interface of the three-way valve (4) is connected with the start-stop main pipe (9), and the start-stop main pipe (10) is connected with the start-stop main pipe (9). The end of the pipe (9) extends into the sludge surface of the sludge pool; the liquid level pipe (5) is connected to the main pumping pipe (6), the head end of the main pumping pipe (6) is connected to the siphon pipe high-level pipe (2), the one-way valve (8) is arranged on the head end of the main pumping pipe (6), and the one-way valve (8) is connected to the siphon pipe high-level pipe (2); the tail end of the main pumping pipe (6) is provided with a main pumping pipe control valve (7), and the port of the drainage pipe (10), the port of the start-stop main pipe (9) and the liquid level pipe (5) are raised in height in sequence.

2. The automatic pumping and drainage device for a sludge sedimentation tank according to claim 1, characterized in that: The liquid level tube (5) is an adjustable liquid level tube.

3. The automatic pumping and drainage device for a sludge sedimentation tank according to claim 2 is characterized in that: The liquid level tube (5) has an opening on its upper side.

4. The automatic pumping and drainage device for a sludge sedimentation tank according to claim 1, characterized in that: The start-stop main pipeline (9) is provided with a start-stop main pipeline control valve (11).

5. The automatic pumping and drainage device for a sludge sedimentation tank according to claim 1, characterized in that: The irrigation pipe (1), the siphon high-position pipe (2), the siphon low-position pipe (3), the liquid level pipe (5), the main water pumping pipe (6), the start-stop main pipe (9) and the drainage pipe (10) are all transparent pipes.

6. The automatic pumping and drainage device for a sludge sedimentation tank according to any one of claims 1 to 5, characterized in that: The head end of the irrigation pipe (1) is connected to an external industrial water outlet valve via an external fire hose.

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