CN215370270U - Integrated pump station with combination of multiple axial-flow pumps - Google Patents

Abstract

The utility model discloses an integrated pump station combined by a plurality of axial-flow pumps, which comprises a pump station cylinder, wherein a water inlet pipe and a water outlet pipe are arranged on the pump station cylinder, a flow dividing partition plate is arranged in the pump station cylinder and divides the pump station cylinder into independent wells which are mutually isolated, sub-pump stations are respectively arranged in each independent well, each sub-pump station comprises a flow guide base arranged at the bottom of each independent well, a support is arranged on each flow guide base, a shaft is arranged on each support, a water outlet end is arranged on each shaft and connected with the water outlet pipe of the pump station cylinder, a submersible axial-flow pump is arranged in each shaft and coupled to the lower end of each shaft, the water inlet of the submersible axial-flow pump faces the flow guide base, the shaft covers the water outlet of the submersible axial-flow pump, and the flow guide base is used for guiding sewage to the position below the water inlet of the submersible axial-flow pump. The utility model can prevent siltation, eliminate mutual interference among water pumps when absorbing water, prevent the generation of bottom suction vortex, and improve the operation stability and efficiency of the water pump.

Description

Integrated pump station with combination of multiple axial-flow pumps

Technical Field

The utility model relates to the field of integrated prefabricated pump stations, in particular to an integrated pump station combined by a plurality of axial flow pumps.

Background

The traditional integrated pump station is composed of a glass fiber reinforced plastic cylinder, a water inlet pipe, a water outlet pipe, a submersible sewage pump, a coupling device, a pressure pipeline, a gate valve, a check valve, a grid and the like, and is generally installed in a fully-buried mode or a semi-buried mode. The pump station can promote sewage from the low water level to high water level through the submersible sewage pump and take out from, this in-process, sewage is though interception and the filtration of midway through the grid, still have a large amount of particulate matters and deposit to be not intercepted by the grid, and the water pump can only extract the particulate matter that is close to the water pump, the bottom design of traditional pump station becomes circular-arc and is "big pot bottom" in addition, cause a large amount of particulate matters and deposit siltation and spread all over the pump station bottom, the water pump is kept away from to partial deposit, this has not only influenced rivers, the effective extraction of water pump has been hindered, greatly reduced the operating efficiency of water pump, piling up always of sewage particulate matter, can not effectively clear up, also volatilize harmful combustible toxic gas easily, form some very big hidden dangers, be unfavorable for the daily safety and the maintenance inspection of pump station. The submersible axial flow pump is adopted to replace a submersible sewage pump, although the pumping flow can be improved, the bottom flow state of the pump station is not good, and pumping interference is generated when a plurality of water pumps in the pump station run together.

SUMMERY OF THE UTILITY MODEL

The technical problems to be solved by the utility model are as follows: the utility model aims to solve the defects in the prior art and provide an integrated pump station combined by a plurality of axial flow pumps, which can eliminate the deposition of particles and deposits at the bottom of the pump station and effectively avoid the suction interference among a plurality of water pumps.

The utility model adopts the following technical scheme:

the utility model provides an integration pump station of many axial-flow pump combinations, includes the pump station barrel, is equipped with inlet tube and outlet pipe on the pump station barrel, be equipped with the reposition of redundant personnel baffle just in the pump station barrel the reposition of redundant personnel baffle is cut apart into the independent well of mutual isolation with the pump station barrel, is equipped with sub-pump station in each independent well respectively, sub-pump station is equipped with the support including establishing the water conservancy diversion base in the independent well bottom on the water conservancy diversion base, is equipped with the pit shaft on the support, is equipped with out water end and goes out water end and connects in the outlet pipe of pump station barrel on the pit shaft, is equipped with dive axial-flow pump and couples in the pit shaft lower extreme in the pit shaft, dive axial-flow pump's water inlet orientation the water conservancy diversion base, the pit shaft covers the delivery port of dive axial-flow pump, just the water conservancy diversion base is used for leading sewage to the below of dive axial-flow pump's water inlet.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, the pump station cylinder 1 is divided into the independent wells which are mutually isolated by the diversion partition plates, the diversion base, the submersible axial-flow pumps and the shaft are respectively arranged in each independent well, the diversion partition plates enable each independent well to be isolated and form respective relatively closed space, each submersible axial-flow pump independently pumps sewage and dirt in the independent space, namely the independent well, the diversion partition plates block interference among the submersible axial-flow pumps, avoid pumping conflict, enable each submersible axial-flow pump to operate cooperatively and independently, and contribute to elimination of sludge deposition.

(2) The technical measures of the conical sinking of the bottom of the diversion base 13 and the circular platform-shaped pit 14 at the bottom of the conical sinking of the diversion base guide the sewage and the dirt carried in the sewage to flow to the circular platform-shaped pit 14 without stopping, in the process, the conical sinking of the bottom of the diversion base 13 guides the sewage, the circular platform-shaped pit 14 at the bottom of the diversion base and the suction of each submersible axial-flow pump to the circular platform-shaped pit 14, so that the sewage entering a pump station forms a continuous sewage water flow, and the sewage enters the circular platform-shaped pit 14 along the conical sinking of the bottom of the diversion base 13 without stopping and is pumped away by the submersible axial-flow pump, therefore, the technical measures further strengthen the flow of the sewage and the dirt, especially the dirt in the pump station, thereby destroying the deposition generating conditions of the dirt or silt and eliminating the sedimentation phenomenon of particles and accumulation at the bottom of the pump station.

(3) The guide base 13 of the utility model is in a conical depression, and the circular truncated cone-shaped pit 14 at the bottom of the conical depression enables the depression space of the guide base 1 to gradually shrink and become smaller, when the water inlet of the submersible axial-flow pump 4 faces the circular truncated cone-shaped pit 14 on the guide base 13, the suction space of the submersible axial-flow pump 4 becomes smaller, therefore, the circular truncated cone-shaped pit 14 improves the sewage suction strength, and is beneficial to the pumping of particles and deposits at the bottom of a pump station.

Drawings

FIG. 1 is a top view of an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a step A-A according to an embodiment of the present invention.

FIG. 3 is a sectional view B-B of a portion of the structure of an embodiment of the present invention.

Fig. 4 is a schematic structural installation diagram of the submersible axial flow pump of the present invention.

Fig. 5 is a schematic water flow diagram of a submersible axial flow pump.

In the figure, 1: a pump station cylinder; 2: a wellbore; 3: a flow dividing partition plate; 4: a submersible axial flow pump; 5: a water outlet pipe;

6, discharging the soft joint of the water pipe; 7: a grid guide rail; 8: a grid lifting chain; 9: a basket grid; 10: a water inlet pipe; 11: a soft joint of the water inlet pipe; 12, a bracket; 13: a flow guide base; 14: a truncated cone shaped pit; 15: a conical support; 16: a rotation prevention block; 17: and (5) reinforcing ribs.

Detailed Description

For the understanding of the present invention, the following detailed description will be given with reference to the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.

An integrated pump station combined by a plurality of axial flow pumps comprises a pump station cylinder body 1, wherein a water inlet pipe 10 and a water outlet pipe 5 are arranged on the pump station cylinder body 1, a shunt partition plate 3 is arranged in the pump station cylinder 1, the shunt partition plate 3 divides the pump station cylinder 1 into independent wells which are mutually isolated, a sub-pump station is respectively arranged in each independent well, the sub-pump station comprises a flow guide base 13 arranged at the bottom of the independent well, a bracket 12 is arranged on the diversion base 13, a shaft 2 is arranged on the bracket 12, a water outlet end is arranged on the shaft 2 and is connected with a water outlet pipe 5 of the pump station cylinder 1, a submersible axial-flow pump 4 is arranged in the shaft 2, the submersible axial-flow pump 4 is coupled to the lower end of the shaft 2, the water inlet of the submersible axial-flow pump 4 faces the diversion base 13, the shaft 2 covers the water outlet of the submersible axial-flow pump 4, and the diversion base 13 is used for guiding sewage to the lower part of the water inlet of the submersible axial-flow pump 4. In the present embodiment, it is preferred that,

the bottom of the flow guide base 13 is in a conical sunken shape, a circular truncated cone-shaped pit 14 is arranged at the bottom of the conical sunken shape of the flow guide base 13, and a water inlet of the submersible axial-flow pump 4 faces the circular truncated cone-shaped pit 14 on the flow guide base 13. The lower end of the shaft 2 is retracted inwards to form a conical support 15, the conical support 15 is used for bearing the submersible axial-flow pump 4, so that the submersible axial-flow pump 4 is coupled with the lower end of the shaft 2, a limit block 16 is arranged on the support 12, the submersible axial-flow pump 4 is inserted into the support, and the submersible axial-flow pump 4 is prevented from rotating. A basket grid 9 is arranged in the pump station cylinder 1, and the basket grid 9 which is sunk in place covers the water inlet pipe 10.

The following description of embodiments of the utility model refers to the accompanying drawings in which:

as shown in fig. 1-2, an embodiment of the integrated pump station with multiple axial-flow pumps according to the present invention is an integrated pump station with multiple axial-flow pumps, which includes a pump station cylinder 1, wherein a shaft 2 and a submersible axial-flow pump 4 are arranged in the pump station cylinder 1, and are automatically installed in a centering coupling manner; the water outlet position of the shaft 2 is connected with the water outlet pipe 5 through the water outlet soft joint 6, the bottom of the pump station cylinder 1 is provided with a flow guide base 13 and a flow dividing partition plate 3, the shaft 2 is connected with a support 12, and water flows through the basket grid 9 through the water inlet pipe 10 and enters the pump station cylinder 1; is sucked in by the submersible axial flow pump 4 and then discharged.

As shown in fig. 3, the diversion base 13 at the bottom of the pump station is designed with inclination, and the bottom of the diversion base adopts a symmetrical conical platform structure; the splitter plate 3 is located between the two water pumps 4.

Fig. 4 shows how the submersible axial flow pump 4 is installed in the wellbore 2; the conical surface of the guide vane body of the submersible axial-flow pump 4 is closely coupled with the conical surface-the conical support 15 of the inner wall at the bottom of the shaft 2, and the guide vane body and the conical surface at the bottom of the shaft are simultaneously provided with anti-rotation blocks 16, so that an anti-rotation device is formed.

Fig. 5 shows a water flow diagram of the submersible axial flow pump 4; the arrangement of the flow guide base 13 greatly reduces the area of the bottom of the cylinder, the flow velocity of water flow passing through the part is obviously increased, and the inclination design can prevent garbage from staying and depositing; the symmetrical conical platform structure at the lower part of the diversion base 13 can ensure that the water inlet of the water pump is even and the water inlet condition of the water pump is ensured. The water suction ports of the two water pumps are completely separated by the flow dividing partition plate 3, so that mutual interference of water flow when the water pumps suck water is avoided, the generation of suction vortexes can be damaged, and the stability and the efficiency of pump operation are improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to further illustrate the principles of the utility model, and that various changes and modifications may be made without departing from the spirit and scope of the utility model, which is also intended to be covered by the appended claims. The scope of the utility model is defined by the claims and their equivalents.

Claims (6)

1. The utility model provides an integrated pump station of many axial-flow pump combination, includes pump station barrel (1), is equipped with inlet tube (10) and outlet pipe (5) on pump station barrel (1), its characterized in that is equipped with reposition of redundant personnel baffle (3) just in pump station barrel (1) reposition of redundant personnel baffle (3) are cut apart into the independent well of mutual isolation with pump station barrel (1), are equipped with sub-pump station respectively in each independent well, sub-pump station is including establishing water conservancy diversion base (13) in the independent well bottom, is equipped with support (12) on water conservancy diversion base (13), is equipped with pit shaft (2) on support (12), is equipped with outlet end and outlet end on pit shaft (2) and connects outlet pipe (5) in pump station barrel (1), is equipped with dive axial-flow pump (4) and couples in pit shaft (2) lower extreme, the water inlet orientation of dive axial-flow pump (4) water conservancy diversion base (13), the shaft (2) covers a water outlet of the submersible axial-flow pump (4), and the diversion base (13) is used for guiding sewage to the position below a water inlet of the submersible axial-flow pump (4).

2. The integrated pump station combined by a plurality of axial-flow pumps according to claim 1, characterized in that the bottom of the flow guide base (13) is in a conical depression.

3. The integrated pump station combined by a plurality of axial-flow pumps according to claim 2, characterized in that a circular truncated cone-shaped pit (14) is arranged at the bottom of the conical depression of the diversion base (13), and the water inlet of the submersible axial-flow pump (4) faces the circular truncated cone-shaped pit (14) on the diversion base (13).

4. The integrated pump station according to claim 1, characterized in that the lower end of the shaft (2) is recessed to form a cone support (15) and the cone support (15) is used for carrying the submersible axial pump (4) to couple the submersible axial pump (4) with the lower end of the shaft (2).

5. The integrated pump station according to claim 4, characterized in that the bracket (12) is provided with a limiting block (16) and inserted with the submersible axial-flow pump (4) to prevent the submersible axial-flow pump (4) from rotating.

6. The integrated pump station of the combination of a plurality of axial-flow pumps according to claim 1, characterized in that a basket grid (9) is arranged in the pump station cylinder (1) and the basket grid (9) sinking in place covers the water inlet pipe (10).

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