CN211116624U

CN211116624U - Desilting type submerged sewage pump

Info

Publication number: CN211116624U
Application number: CN201921694879.9U
Authority: CN
Inventors: 蒋必瑞
Original assignee: Shanghai Raybon Machinery Group Co ltd
Current assignee: Shanghai Raybon Machinery Group Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-07-28
Anticipated expiration: 2029-10-11

Abstract

The utility model provides a dredging type submerged sewage pump, wherein an impeller is arranged in a pump body, a flushing pipe fitting is arranged in a pump seat below the pump body, the impeller is connected with a pump shaft, a water outlet is positioned at the side edge of the impeller, and a water inlet is positioned below the impeller; the flushing pipe fitting is provided with a flushing inlet and a flushing outlet which is arranged in the circumferential direction, the pump seat is provided with a circulating port, and the flushing outlet is a convection port; the guide part is fixed on the pump seat, a cavity is arranged in the guide part, the guide part is connected with the flushing pipe fitting, the flushing inlet is communicated with the cavity, the inlet end of the guide pipe is arranged at the water outlet, and the outlet end is communicated with the cavity. In this application, the honeycomb duct passes through the water conservancy diversion spare with the water of delivery port and carries to the torrent pipe fitting in, and the submarine precipitate of high-pressure rivers impact through the discharged of high-speed rotatory torrent pipe fitting, makes behind the precipitate suspension along with the rivers discharge through the dredge pump. When sewage is pumped by the sewage pump, sediment in muddy water can be stirred by the flushing pipe fitting, and efficient sewage cleaning can be realized, so that the blockage of a water inlet of the pump body is avoided, and the working efficiency is improved.

Description

Desilting type submerged sewage pump

Technical Field

The utility model relates to a dredge pump field especially relates to a desilting formula dredge pump under liquid.

Background

At present, the known submerged sewage pump is downwards water inlet, only one water inlet is provided, when the submerged sewage pump is used for dredging a fishpond or other sewage pits, the position of the water inlet is fixed, and only the precipitate in front of the water inlet can be discharged, so that the water-containing sludge at the periphery of the water pump cannot be sucked into the pump and cannot be cleaned cleanly, other places of the sewage pool can be gradually filled with the precipitate, the effective volume of the sewage pool is greatly reduced, the follow-up cleaning operation needs to be carried out again or the complete cleaning operation is manually completed, and the working efficiency of the method is lower, and the satisfactory dredging function cannot be achieved. Meanwhile, when the sediments accumulated around collapse down, the water inlet can be blocked, so that the pump can not work normally.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dredge formula dredge pump under liquid, the submarine precipitate of high-speed rotatory rush current pipe fitting through outside exhaust high-pressure rivers impact, and the sewage after the mixed debris of being convenient for can get into the water inlet and be discharged by the dredge pump.

In order to realize the above-mentioned purpose, the utility model provides a dredge formula dredge pump under liquid, including the pump body, pump seat, pump shaft, impeller, water inlet, delivery port, rush current pipe fitting, honeycomb duct and water conservancy diversion spare, wherein:

the pump seat is arranged below the pump body, the impeller is arranged in the pump body, the flushing pipe fitting is arranged in the pump seat, the impeller is connected with the pump shaft, the water outlet is positioned on the side edge of the impeller, and the water inlet is positioned below the impeller;

the flushing pipe fitting is provided with a flushing inlet and at least two flushing outlets, the flushing inlet is positioned in the center of the flushing pipe fitting, the flushing outlets are circumferentially arranged around the flushing inlet, a flow port is formed in the side wall of the pump seat, and the flushing outlet is opposite to the flow port;

the flow guide piece is fixed on the pump seat, a cavity is arranged in the flow guide piece, the flow guide piece is connected with the flushing pipe fitting, namely, the flushing inlet is communicated with the cavity, the inlet end of the flow guide pipe is arranged at the water outlet, and the outlet end of the flow guide pipe is communicated with the cavity.

Furthermore, in the dredging type submerged sewage pump, the flushing pipe fitting is connected with the pump shaft, and the flushing pipe fitting is rotationally connected with the flow guide piece, namely, the pump shaft drives the flushing pipe fitting to rotate, so that the flushing pipe fitting rotates relative to the flow guide piece.

Furthermore, in the dredging type submerged sewage pump, a filter screen is arranged on the pump seat opposite to the water inlet.

Further, in the dredging type submerged sewage pump, the flow guide piece is fixed on the filter screen.

Further, in the dredging type submerged sewage pump, the pump shaft penetrates through the centers of the filter screen and the flow guide piece.

Furthermore, in the dredging type submerged sewage pump, a rotary sealing sleeve is arranged at the joint of the flushing pipe fitting and the flow guide member.

Further, in the dredging type submerged sewage pump, the inlet end of the flow guide pipe is over against the impeller.

Further, in the desilting type submerged sewage pump, the flushing outlets are arranged in a cross circumferential direction, and at least four circulation ports are arranged in the circumferential direction of the pump base.

Further, in the dredging type submerged sewage pump, the central angle of the circulation port is a, and a is more than or equal to 45 degrees and less than or equal to 85 degrees.

Compared with the prior art, the beneficial effects of the utility model are mainly embodied in that: the water that delivery port department received the pressure effect passes through the water conservancy diversion spare with the honeycomb duct and carries to the rush stream pipe fitting in, the rush stream pipe fitting of high-speed rotation outwards discharges high-pressure rivers from the export of washing by water under the pump shaft drives, utilizes high-pressure rivers to assault submarine deposit, makes the sediment suspend the back along with the rivers discharge through the dredge pump. When sewage is pumped by the sewage pump, sediment in muddy water can be stirred by the flushing pipe fitting, and efficient sewage cleaning can be realized, so that the blockage of a water inlet of the pump body is avoided, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a dredging type submerged sewage pump of the present invention;

fig. 2 is a schematic structural view of the intermediate flushing pipe of the present invention.

Wherein: the pump body 1, water inlet 11, delivery port 12, pump seat 2, pump shaft 3, impeller 4, towards water pipe fitting 5, wash water import 51, wash water export 52, honeycomb duct 61, water conservancy diversion spare 62, circulation mouth 7, filter screen 8.

Detailed Description

The present invention will now be described in greater detail with reference to the drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art may modify the invention herein described while still achieving the beneficial effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

As shown in fig. 1, the utility model provides a desilting formula dredge pump under liquid, including the pump body 1, pump seat 2, pump shaft 3, impeller 4, water inlet 11, delivery port 12, rush to flow pipe fitting 5, honeycomb duct 61 and water conservancy diversion spare 62, the below of the pump body 1 is equipped with pump seat 2, is equipped with impeller 4 in the pump body 1, is equipped with rush to flow pipe fitting 5 in the pump seat 2, and impeller 4 is connected with pump shaft 3, and delivery port 12 is located the impeller 4 side, and water inlet 11 is located impeller 4 below. When the sewage pump works, the pump shaft 3 drives the impeller 4 to rotate, and the impeller 4 sucks sewage from the water inlet 11 and discharges the sewage from the water outlet 12.

Specifically, as shown in fig. 1 to 2, the flushing pipe member 5 has a flushing inlet 51 and at least two flushing outlets 52, the flushing inlet 51 is located at the center of the flushing pipe member 5, the flushing outlets 52 are circumferentially arranged around the flushing inlet 51, a flow passage 7 is provided on the side wall of the pump base 2, and the flushing outlet 52 faces the flow passage 7. Preferably, four flushing outlets 52 are arranged in a cross shape circumferentially around the flushing inlet 51, and at least four circulation ports 7 are arranged circumferentially on the pump base 2, so that the flushing pipe 5 ensures that the flushing outlets 52 always correspond to the circulation ports 7 smoothly, and high-pressure water flow discharged from the flushing outlets 52 can penetrate through the circulation ports 7 to impact underwater sediments.

Meanwhile, as shown in fig. 1, a filter screen 8 is arranged on the pump base 2 opposite to the water inlet 11, the flow guide piece 62 is fixed on the filter screen 8, and the filter screen 8 screens sundries entering the pump body 1 from the water inlet 11, so that large sundries are prevented from entering the pump body 1, and the impeller 4 is prevented from being damaged. The flow guide piece 62 is internally provided with a cavity, the flow guide piece 62 is connected with the flushing pipe fitting 5, the flushing inlet 51 is communicated with the cavity, the inlet end of the flow guide pipe 61 is arranged at the water outlet 12, the inlet end of the flow guide pipe 61 is opposite to the impeller 4, and the outlet end is communicated with the cavity. The draft tube 61 conveys the water under pressure at the water outlet 12 to the flushing pipe 5 through the flow guide part 62, the flushing pipe 5 discharges high-pressure water flow from the flushing outlet 52, the high-pressure water flow passing through the flow opening 7 impacts the sediment at the bottom of the water, and the sediment is suspended and then discharged through the sewage pump along with the water flow.

Further, in this embodiment, as shown in fig. 1 to 2, the pump shaft 3 penetrates through the filter screen 8 and the center of the flow guide 62 and then is connected to the flushing pipe 5, and the flushing pipe 5 is rotatably connected to the flow guide 62, that is, the pump shaft 3 drives the flushing pipe 5 to rotate, so that the flushing pipe 5 rotates relative to the flow guide 62. When the sewage pump works, the pump shaft 3 drives the impeller 4 and the flushing pipe fitting 5 to synchronously rotate, and when the impeller 4 pressurizes and discharges sewage, the flushing pipe fitting 5 utilizes the guide pipe 61 and the guide part 62 to spray high-pressure water flow outwards in a rotating mode, and underwater sediments are impacted to stir the sewage. In addition, a rotary sealing sleeve (not shown) is arranged at the joint of the flushing pipe fitting 5 and the flow guide part 62, so that leakage of the flushing pipe fitting 5 and the flow guide part 62 during relative rotation is avoided.

Simultaneously, the central angle of circulation mouth 7 is a, and 45 a is more than or equal to 85, makes things convenient for circulation mouth 7 to reach the best circulation effect, avoids the too narrow undersize circulation mouth 7 to influence the impact efficiency of the high-pressure rivers of rush-flow pipe fitting 5.

In summary, in the embodiment of the dredging type submerged sewage pump, the water at the water outlet under the action of pressure is conveyed into the flushing pipe fitting through the flow guide member by the flow guide pipe, the flushing pipe fitting rotating at a high speed under the driving of the pump shaft discharges high-pressure water flow outwards from the flushing outlet, and the sediment at the bottom of the water is impacted by the high-pressure water flow and is discharged along with the water flow through the sewage pump after being suspended. When sewage is pumped by the sewage pump, sediment in muddy water can be stirred by the flushing pipe fitting, and efficient sewage cleaning can be realized, so that the blockage of a water inlet of the pump body is avoided, and the working efficiency is improved.

The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims

1. The utility model provides a desilting formula dredge pump under liquid which characterized in that, includes the pump body, pump mount, pump shaft, impeller, water inlet, delivery port, rush stream pipe fitting, honeycomb duct and water conservancy diversion spare, wherein:

2. The desilting submersible sewage pump of claim 1, wherein the flushing pipe is connected to the pump shaft and the flushing pipe is rotatably connected to the diversion member such that the pump shaft drives the flushing pipe to rotate, causing the flushing pipe to rotate relative to the diversion member.

3. The desilting type submerged sewage pump according to claim 2, wherein a filter screen is arranged on the pump base opposite to the water inlet.

4. A desilting submersible sewage pump as recited in claim 3, wherein the flow guide is fixed to the filter screen.

5. The desilting submersible sewage pump of claim 4, wherein the pump shaft runs through the filter screen and the center of the flow guide.

6. The desilting submerged dredge pump of claim 2, wherein a rotary seal gland is provided at the junction of the flushing pipe and the flow guide member.

7. The desilting submersible sewage pump of claim 1, wherein the inlet end of the draft tube is directly opposite the impeller.

8. The desilting submersible sewage pump of claim 1, wherein the flush outlets are arranged in a cross-shaped circumferential arrangement, and the pump base is circumferentially provided with at least four of the flow ports.

9. The desilting submersible sewage pump of claim 8, wherein the central angle of the flow port is a, 45 ° ≦ a ≦ 85 °.