CN204983124U - Automatically cleaning of integration pump station is cheated end and is had pump station that end was cheated to this automatically cleaning - Google Patents

Abstract

The utility model provides a self-cleaning pit bottom of an integrated pumping station and a pumping station with the self-cleaning pit bottom. The self-cleaning pit bottom of the integrated pumping station includes a pit bottom shell, and the pit bottom shell has a cylindrical inner cavity, a cylindrical The upper end surface of the inner cavity is an open surface, and the side of the pit bottom shell has a water inlet acceleration channel, one end of the water inlet acceleration channel is located on the outer wall of the pit bottom shell, and the other end is connected with the cylindrical inner cavity; the water inlet acceleration channel is an arc channel, The arc where the arc channel is located is tangent to the circle formed by the edge of the cylindrical inner cavity, and the tangent point is the point where the arc channel and the cylindrical inner cavity meet; when the water flow enters the cylindrical inner cavity from the arc channel, it will A rotating water flow is formed in the inner cavity, so that the flow velocity of the water flow is increased. The beneficial effect of the utility model is that the automatic cleaning pit bottom is applied to the integrated prefabricated pumping station, so that the amount of residual sewage is reduced, the generation of scum and sediment deposition are prevented, and the pump pit is kept clean.

Description

Self-cleaning pit bottom of an integrated pumping station and a pumping station with the self-cleaning pit bottom

technical field

The utility model relates to a self-cleaning pit bottom of an integrated pumping station and a pumping station with the self-cleaning pit bottom.

Background technique

The integrated pumping station is a turnkey pumping station for lifting sewage, rainwater, drinking water, and waste water. It is produced and assembled by the factory in a unified manner and then transported to the site for installation. The defect of the existing integrated pumping station is that sediment is easy to deposit on the bottom of the pit, and long-term silting causes peculiar smell, which has a great impact on the environment.

Contents of the invention

The problem to be solved by the utility model is to provide a self-cleaning pit bottom of an integrated pumping station and a pumping station with the self-cleaning pit bottom, which overcomes the deficiencies in the prior art.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: the self-cleaning pit bottom of the integrated pumping station includes a pit bottom shell, the pit bottom shell has a cylindrical inner cavity, and the upper part of the cylindrical inner cavity The end surface is an open surface, and the side of the pit bottom shell has a water inlet acceleration channel, one end of the water intake acceleration channel is located on the outer wall of the pit bottom shell, and the other end is connected with the cylindrical inner cavity;

The water inlet acceleration channel is an arc channel, and the arc where the arc channel is located is tangent to the circle formed by the edge of the cylindrical inner cavity, and the point of tangency is the arc channel and the cylindrical inner cavity handover location point;

When the water flow enters the cylindrical inner cavity from the arc channel, a rotating water flow is formed in the cylindrical inner cavity, thereby increasing the flow velocity of the water flow.

Further, the pit bottom shell is made of corrosion-resistant composite fiberglass.

Further, a section of the water inlet acceleration channel close to its connection with the cylindrical inner cavity is a tapered channel, and the end of the tapered channel with a small diameter is between the water inlet acceleration channel and the cylindrical inner cavity. Junction.

The utility model also provides a pump station with the self-cleaning pit bottom, including a submersible pump, the pit bottom shell is fixed on the bottom of the pump station, and the outer wall of the pit bottom shell and the inner wall of the pump station The gap between them is filled and fixed with concrete, the submersible pump is installed at the bottom of the cylindrical inner cavity, and the outer end of the water inlet acceleration channel protrudes from the outside of the pumping station.

The utility model has the advantages and positive effects: the construction investment and period of the pumping station are reduced, the bottom of the pumping station can be automatically cleaned, the scum and sediment deposits are effectively sucked, and the difficulty of manually cleaning the bottom of the pumping station is reduced. Reduce the impact of odor in the pumping station on the surrounding environment.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the bottom of the self-cleaning pit;

Fig. 2 is a schematic diagram of the overall structure of a pumping station with a self-cleaning pit bottom;

In the figure: 1-pit bottom shell; 2-water inlet acceleration channel; 3-water flow rotation area; 4-pumping station; 5-submersible pump; 6-outlet pipe; 7-concrete.

detailed description

As shown in Figure 1, the utility model provides a self-cleaning pit bottom of an integrated pumping station, which includes a pit bottom shell 1, and the pit bottom shell 1 has a cylindrical inner cavity, and the upper end surface of the cylindrical inner cavity is an open surface. The side of the pit bottom shell 1 has a water inlet acceleration channel 2, one end of the water intake acceleration channel 2 is located on the outer wall of the pit bottom shell 1, and the other end communicates with the cylindrical inner cavity;

The water inlet acceleration channel 2 is an arc channel, and the arc where the arc channel is located is tangent to the circle formed by the edge of the cylindrical inner cavity, and the tangent point is the point where the arc channel and the cylindrical inner cavity meet;

When the water flow enters the cylindrical inner cavity from the arc channel, a rotating water flow is formed in the cylindrical inner cavity, thereby increasing the flow velocity of the water flow. The water flow forms a water flow rotation area 3 in the area near the bottom of the cylindrical inner cavity. Due to the increase of the water velocity and the rotation of the water flow, the sludge at the bottom of the pit can be taken out of the bottom of the pit to achieve the purpose of self-cleaning.

The pit bottom shell 1 is made of corrosion-resistant composite glass fiber reinforced plastics.

A section of the water inlet accelerating channel 2 close to its connection with the cylindrical inner cavity is a tapered channel, and the end of the tapered channel with a smaller diameter is at the junction of the water inlet accelerating channel 2 and the cylindrical inner cavity. Relying on the reduction of the outlet area at the water inlet to achieve the effect of increasing the water pressure, the water outlet pressure is further increased, and the self-cleaning effect is better.

A kind of pumping station with this self-cleaning pit bottom, as shown in Figure 2, comprises submersible pump 5, and pit bottom casing 1 is fixed on the bottom of pumping station 4, and between the outer wall of pit bottom casing 1 and the inner wall of pumping station 4 The gap is filled and fixed by concrete 7 , the submersible pump 5 is installed at the bottom of the cylindrical inner cavity, and the outer end of the water inlet acceleration channel 2 protrudes from the outside of the pumping station 4 .

The submersible pump 5 starts when the pump is turned on. At this level, the submersible pump 5 operates at the maximum flow rate. With the decrease of the inflow, the liquid level drops to the level generated by the rotation of the water body. The sewage enters through the bottom of the self-cleaning pit. The flow rate of water acceleration channel 2 increases, and at this moment, less water bodies start to rotate automatically. The flow is further reduced. From the liquid level generated by the rotation of the water body to the maximum rotation liquid level, the change of the rotation speed of the water body makes the inflow of sewage match the flow of the submersible pump 5 . The automatic rotating flow of the water body stirs the sediment at the bottom of the pumping station and is discharged from the pumping station by the submersible pump 5 . The automatic cleaning pit bottom is applied to the integrated prefabricated pump station, which reduces the amount of residual sewage, prevents the generation of scum and sediment deposition, and keeps the pump pit clean. The self-cleaning pit bottom produces a powerful swirling effect that prevents sedimentation and scum.

The self-cleaning pit bottom is made of corrosion-resistant composite fiberglass. The modular manufacturing method organically combines the self-cleaning pit bottom with the integrated prefabricated pump station pit bottom to form a whole, which reduces the difficulty of on-site construction of the pump station, and only needs to use concrete to seal the gap between the integrated prefabricated pump station and the foundation of the pump station. Gap filling completes the installation. It reduces the construction investment and cycle of the pumping station, can automatically clean the bottom of the pumping station, effectively sucks scum and sediment deposits, reduces the difficulty of cleaning the bottom of the pumping station manually, and reduces the impact of the peculiar smell in the pumping station on the surrounding environment.

The embodiments of the present utility model have been described in detail above, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (4)

1. The self-cleaning pit bottom of the integrated pumping station is characterized in that: it includes a pit bottom shell, the pit bottom shell has a cylindrical inner cavity, the upper end surface of the cylindrical inner cavity is an open surface, and the pit bottom The side of the casing has a water inlet acceleration channel, one end of the water inlet acceleration channel is located on the outer wall of the pit bottom casing, and the other end communicates with the cylindrical inner cavity; The water inlet acceleration channel is an arc channel, and the arc where the arc channel is located is tangent to the circle formed by the edge of the cylindrical inner cavity, and the point of tangency is the arc channel and the cylindrical inner cavity handover location point; When the water flow enters the cylindrical inner cavity from the arc channel, a rotating water flow is formed in the cylindrical inner cavity, thereby increasing the flow velocity of the water flow. 2. The self-cleaning pit bottom of the integrated pumping station according to claim 1, characterized in that: the pit bottom shell is made of corrosion-resistant composite glass fiber reinforced plastic. 3. The self-cleaning pit bottom of the integrated pumping station according to claim 1 or 2, characterized in that: a section of the inlet acceleration channel close to its connection with the cylindrical inner cavity is a tapered channel, so The end of the tapered channel with a small diameter is at the junction of the water inlet acceleration channel and the cylindrical inner cavity. 4. The self-cleaning pit bottom pumping station with the integrated pumping station according to any one of claims 1 to 3, characterized in that: comprising a submersible pump, the pit bottom shell is fixed to the bottom of the pumping station, The gap between the outer wall of the pit bottom shell and the inner wall of the pumping station is filled and fixed with concrete, the submersible pump is installed at the bottom of the cylindrical inner cavity, and the outer end of the water inlet acceleration channel protrudes from the The exterior of the pumping station described above.