CN219527915U - Integrated offset oblique cone bottom type prefabricated pump station - Google Patents
Integrated offset oblique cone bottom type prefabricated pump station Download PDFInfo
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- CN219527915U CN219527915U CN202320449340.7U CN202320449340U CN219527915U CN 219527915 U CN219527915 U CN 219527915U CN 202320449340 U CN202320449340 U CN 202320449340U CN 219527915 U CN219527915 U CN 219527915U
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- outer shaft
- oblique cone
- cone bottom
- inner cylinder
- flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The utility model relates to an integrated offset oblique cone bottom type prefabricated pump station, an inner cylinder body is vertically arranged in an outer shaft and is biased to one side of a water outlet, an oblique cone bottom is arranged at the inner bottom of the outer shaft, a small opening of the oblique cone bottom is downward, the inner cylinder body and a silt accumulation prevention base are positioned in the oblique cone bottom, the oblique cone bottom is in the shape of an oblique cone or an oblique pyramid, the taper of one side of a water inlet is larger than that of the water outlet, a crushing grid and a grid guide rail are arranged at the water inlet at the inner side of the outer shaft, an axial-flow submersible pump is a microminiature large-flow axial-flow submersible pump, and the starting and stopping of the pump are controlled by an external variable frequency controller. The prefabricated pump station with the offset inner cylinder body has more compact structure and smaller volume, and the flow maximization of the prefabricated pump station is realized; the inclined cone bottom is provided with an inclined cone surface, which is favorable for discharging sediment impurities, reduces dredging times and workload, reduces the cost of manual dredging and prolongs the service life of an outer shaft.
Description
Technical Field
The utility model relates to electromechanical integrated pump station equipment, in particular to an integrated offset oblique cone bottom type prefabricated pump station.
Background
The device for pumping and discharging the liquid entering the prefabricated cylinder to the outside of the cylinder by the integrated prefabricated pump station is lifting equipment for lifting sewage, rainwater, drinking water and the like, has a plurality of advantages compared with a concrete fixed pump station with large investment and difficult dredging, and is widely applied at present.
The general integrated prefabricated pump station has the advantages of large volume, heavy weight, high manufacturing and installation cost, low efficiency and particularly remarkable large-flow prefabricated pump station. And the prefabricated pump station for sewage treatment is easy to deposit in the prefabricated cylinder body and difficult to clean.
Disclosure of Invention
Aiming at the defects or shortcomings of the prior art, the utility model aims to provide the integrally-biased oblique cone bottom type prefabricated pump station which is small in size, light in weight, large in flow and easy to dredging.
In order to solve the technical problems, the utility model comprises the following components:
the utility model provides a prefabricated pump station of integral type biasing oblique cone end formula, including outer pit shaft, set up water inlet and delivery port on the outer pit shaft, set up interior barrel in the outer pit shaft, can supply the long-pending siltation base of preventing that liquid passes through to support in interior barrel below, the interior lower part installation axial-flow immersible pump of interior barrel, the axial-flow immersible pump water sucking mouth is down, the axial-flow immersible pump is erect on interior barrel and long-pending siltation base, the outlet pipe and the interior barrel intercommunication of delivery port on the outer pit shaft, the vertical setting of interior barrel is in deflection delivery port one side, install oblique cone end in outer pit shaft, oblique cone end pocket is down, top big mouth and outer pit shaft inner wall connection, interior barrel and long-pending siltation base are located oblique cone end, the tapering of oblique cone end shape is oblique cone or oblique pyramid, the tapering of water inlet one side is greater than delivery port side.
The crushing grating and the grating guide rail are installed at the water inlet of the inner side of the outer shaft, the grating guide rail is vertically arranged in the outer shaft, a hole is formed in the position, corresponding to the grating guide rail, of the left side of the upper part of the outer shaft, a switchable well cover is arranged at the hole, the crushing grating enters the support frame which is installed at the inner side of the water inlet along the grating guide rail in a downward moving manner from the well cover, and a crawling ladder is arranged beside the grating guide rail.
The axial-flow submersible pump is a microminiature large-flow axial-flow submersible pump, and the starting and stopping of the pump are controlled by an external variable frequency controller, and the flow, the power and the lift of the pump are regulated.
The liquid level meter is arranged in the outer shaft, and the variable frequency controller controls the axial-flow submersible pump according to signals of the liquid level meter.
The outer shaft is made of glass fiber reinforced plastic material through integral molding.
The upper port of the inner cylinder body is higher than the upper surface of the outer cylinder body, a sealing cover is arranged on the port, and the axial-flow submersible pump is hoisted from the sealing cover to enter and exit the inner cylinder body by using a hoisting chain.
The water inlet short pipe and the water outlet short pipe on the outer shaft are respectively connected with a water inlet rubber soft joint and a water outlet rubber soft joint which are connected with an external pipeline.
And a ventilation pipe is arranged on the right side of the upper part of the outer shaft, so that the outer shaft is communicated with the outside.
Compared with the prior art, the utility model has the advantages that:
in the outer pit shaft of prefabricated pump station, interior barrel (axial-flow immersible pump) is close to outlet pipe one side offset arrangement, and water inlet one side space is great, will smash grid and grid guide rail and its maintenance device just set up in the side of intaking, compares axial-flow immersible pump and arranges the scheme in the center (pump both sides space is the same big), and the prefabricated pump station structure of offset scheme is compacter, and the volume is littleer, more can effectively utilize outer pit shaft inner space. Therefore, the axial-flow submersible pump with larger size can be arranged in the outer shaft with the same size, and the flow maximization of the prefabricated pump station is realized.
The inclined cone bottom is provided with an inclined cone surface, sediment impurities are discharged along with water flow more easily due to gravity, so that the sediment accumulation of the sediment impurities in the outer shaft is reduced, the dredging times and workload are reduced, the cost of manual dredging is reduced, the pressure of the outer shaft bearing the sediment can be reduced, and the service life of the outer shaft is prolonged.
The ultra-small large-flow axial-flow submersible pump is used, the external variable-frequency controller controls the start and stop of the pump and adjusts the flow, the power and the lift of the pump according to the liquid level meter arranged in the outer shaft, the ultra-small large-flow axial-flow submersible pump is small in size, light in weight and high in efficiency, and the stainless steel pump is lighter in weight, so that the pump with higher power and larger flow can be arranged in the inner cylinder with the same size, and the flow of the prefabricated pump station can be directly improved. And the lifting is convenient, the water absorption level is low after the installation, the maintenance is carried out, and the pump is moved to the outside for operation during the inspection, so that the lifting device is more convenient.
Drawings
The following drawings depict some specific embodiments of the utility model by way of example and not by way of limitation. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions.
Fig. 1: a top view of the prefabricated pump station of the present utility model;
fig. 2: A-A cross-sectional view of fig. 1.
The symbols in the drawings are as follows:
10. the device comprises an outer shaft, an 11 water inlet, a 12 water outlet, a 13 water inlet pipe, a 14 water outlet pipe, a 20 inner cylinder, a 30 axial-flow submersible pump, a 40 anti-clogging base, a 50 inclined cone bottom, a 61 crushing grille, a 62 grille guide rail, a 63 well cover, a 64 climbing ladder, a 70 variable frequency controller, a 81 liquid level meter, a 82 blank cap, a 83 hanging chain and a 84 ventilation pipe.
Detailed Description
The conception, specific structure, and technical effects of the present utility model will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present utility model.
It should be noted that: in the description of the present utility model, the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, and are merely for convenience of description of the present utility model, and are not necessarily shown in any particular orientation, in which the indicated elements are constructed and operated, but are not to be construed as limiting the present utility model.
As shown in fig. 1 and 2, the prefabricated pump station of integral type offset oblique cone bottom type, including outer pit shaft 10, outer pit shaft 10 both sides set up water inlet 11 and delivery port 12 respectively, water inlet 11 is less than delivery port 12, water inlet 13 and outlet pipe 14 are connected respectively to water inlet 11 and delivery port 12, in outer pit shaft 10 side vertical setting inner cylinder 20 of deflection delivery port 12 side, can supply the silt base 40 of preventing that liquid passes through to support in the inner cylinder 20 below, the axial-flow immersible pump 30 is installed to the interior lower part of inner cylinder 20, the water sucking mouth of axial-flow immersible pump 30 is down, axial-flow immersible pump 30 erects on inner cylinder 20 and silt base 40 of preventing, the outlet pipe 14 on the outer pit shaft 10 communicates with inner cylinder 20, inner cylinder 20 takes into account the effect of supporting pump and drain pipe.
As shown in fig. 2, an inclined cone bottom 50 is installed at the bottom of the outer shaft 10, the small opening of the inclined cone bottom 50 faces downwards, the upper large opening is connected with the inner wall of the outer shaft 10, the inner cylinder 20 and the anti-accumulation base 40 are located in the inclined cone bottom 50, the small opening of the inclined cone bottom 50 is larger than the outer diameter of the anti-accumulation base 40 in size, and the inclined cone bottom 50 is a liquid outflow channel. Since the inner cylinder 20 is offset in the outer cylinder 10, the distance between the inner cylinder 20 and the outer cylinder 10 is unequal in all directions, and the water inlet 11 side is larger than the water outlet 12 side, the inclined cone bottom 50 is in the shape of an inclined cone or an inclined pyramid, and as can be seen in fig. 2, the taper of the inclined cone bottom 50 at the water inlet 11 side is larger than the water outlet 12 side. The inclined cone bottom 50 is provided with an inclined cone surface, sediment impurities are discharged along with water flow more easily due to gravity, so that sediment accumulation of the sediment impurities in the outer well shaft 10 is reduced, dredging times and workload are reduced, the cost of manual dredging is reduced, the pressure of the outer well shaft 10 bearing the sediment can be reduced, and the service life of the outer well shaft 10 is prolonged.
The outer shaft 10 is made of glass fiber reinforced plastic material by integral molding, and the glass fiber reinforced plastic has light weight, firmness, corrosion resistance and low cost. The inclined cone bottom 50 is made of glass fiber reinforced plastic or stainless steel.
The crushing grating 61 and the grating guide rail 62 are installed at the water inlet 11 on the inner side of the outer shaft 10, the grating guide rail 62 is vertically arranged in the outer shaft 10, a hole is formed in the position, corresponding to the grating guide rail 62, on the left side of the upper part of the outer shaft 10, a switchable well cover 63 is arranged at the hole, the crushing grating 61 enters the support frame which is installed on the inner side of the water inlet 11 along the grating guide rail 62 in a downward moving manner from the well cover 63, and a ladder stand 64 is arranged beside the grating guide rail 62. The crushing grille 61 blocks and crushes the garbage with large volume, so that the large impurity can not enter the outer shaft 10, and the well cover 63 and the ladder stand 64 are arranged, so that the personnel can conveniently enter and exit for inspection and maintenance.
In the outer shaft 10, the inner cylinder 20 (the axial-flow submersible pump 30) is arranged in an offset way near one side of the water outlet pipe 14, the space on one side (the left side in fig. 1) of the water inlet 11 is larger, the crushing grating 61, the grating guide rail and the maintenance device thereof are just arranged on the water inlet side, the small space on one side (the right side in fig. 1) of the water outlet 12 can meet the requirement, compared with the scheme that the axial-flow submersible pump 30 is arranged in the center (the space on two sides of the pump is the same, the prefabricated pump station structure of the offset scheme is more compact, the volume is smaller, and the space in the outer shaft 10 can be effectively utilized. Therefore, a larger axial-flow submersible pump 30 can be arranged in the outer shaft with the same size, and the flow maximization of the prefabricated pump station is realized.
The axial-flow submersible pump 30 uses a microminiature large-flow axial-flow submersible pump, and the external variable frequency controller 70 controls the start and stop of the pump and adjusts the flow, the power and the lift of the pump according to the liquid level meter 81 arranged in the outer shaft 10, so that the microminiature large-flow axial-flow submersible pump has small volume, light weight and high efficiency, and the stainless steel pump has lighter weight, so that the pump with higher power and larger flow can be arranged in the inner cylinder 20 with the same size, and the flow of the prefabricated pump station can be directly improved. Secondly, the ultra-small large-flow axial-flow submersible pump is suitable for being hung into the embedded inner cylinder body 20 for use, and the volume and the weight of the whole prefabricated pump station are reduced by half. The upper port of the inner cylinder 20 is higher than the upper surface of the outer shaft, a seal cover 82 is arranged on the port, when the pump needs to be maintained, the seal cover 82 is opened, the pump is lifted by a hanging chain 83, and the pump is hung into the original position along a guide rail in the inner cylinder 20 after the inspection and maintenance are finished.
A ventilation pipe 84 is installed on the right side of the upper part of the outer shaft 10, and the outer shaft 10 is communicated with the outside, so that the air in the outer shaft 10 is kept in circulation.
The water inlet short pipe and the water outlet short pipe on the outer shaft 10 are respectively connected with a water inlet soft joint and a water outlet soft joint which are connected with an external pipeline.
The outer shaft 10 is usually buried in a designated place in advance, after the axial-flow submersible pump 30, the crushing grating 61, the grating guide rail and the water inlet and outlet pipe are installed, the variable frequency controller 70 controls the prefabricated pump station to start working, liquid enters from the water inlet 11 on the outer shaft 10, flows to the water pumping port through the water inlet channel, is discharged from the water outlet 12 on the outer shaft 10 after being sucked by the pump, and the variable frequency controller 70 controls the prefabricated pump station to stop or perform parameter adjustment according to the signals of the liquid level meter 81.
In conclusion, the prefabricated pump station has the advantages of small volume, light weight, large flow and difficult garbage accumulation, realizes the functions of large flow and low lift of the small well barrel, and can be widely applied to the aspects of prefabricated pump stations in drainage and waterlogging and irrigation.
The above embodiments are only for illustrating the present utility model, and are not limiting of the present utility model. While the utility model has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, and equivalent substitutions can be made to the technical solutions of the present utility model without departing from the spirit and scope of the technical solutions of the present utility model, and it is intended to cover the scope of the claims of the present utility model.
Claims (8)
1. The utility model provides an integrated offset oblique cone bottom type prefabricated pump station, which comprises an outer shaft (10), water inlet (11) and water outlet (12) are arranged on the outer shaft (10), an inner cylinder (20) is arranged in the outer shaft (10), a silt-preventing base (40) which can be used for liquid to pass through is supported below the inner cylinder (20), an axial-flow submersible pump (30) is arranged at the inner lower part of the inner cylinder (20), the water suction port of the axial-flow submersible pump (30) is downward, the axial-flow submersible pump (30) is erected on the inner cylinder (20) and the silt-preventing base (40), a water outlet pipe (14) of the water outlet (12) on the outer shaft (10) is communicated with the inner cylinder (20),
the inner cylinder body (20) is vertically arranged at one side of the inclined conical bottom (50) which is deviated from the water outlet (12) and is arranged at the inner bottom of the outer shaft (10), the small opening of the inclined conical bottom (50) is downward, the large opening at the upper part is connected with the inner wall of the outer shaft (10), the inner cylinder body (20) and the anti-deposition base (40) are positioned in the inclined conical bottom (50), the shape of the inclined conical bottom (50) is an inclined conical or inclined pyramid, and the taper of one side of the water inlet (11) is larger than that of the water outlet (12).
2. The integrally-biased oblique cone bottom type prefabricated pump station according to claim 1, wherein a crushing grid (61) and a grid guide rail (62) are installed at the water inlet (11) on the inner side of the outer shaft (10), the grid guide rail (62) is vertically arranged in the outer shaft (10), an opening is formed in the position, corresponding to the grid guide rail (62), of the left side of the upper part of the outer shaft (10), a switchable well cover (63) is arranged at the opening, the crushing grid (61) enters from the well cover (63) and moves downwards along the grid guide rail (62) on a support frame installed on the inner side of the water inlet (11), and a ladder stand (64) is arranged beside the grid guide rail (62).
3. The integrally-biased oblique cone bottom type prefabricated pump station according to claim 1 or 2, wherein the axial-flow submersible pump (30) is a microminiature large-flow axial-flow submersible pump, and an external variable frequency controller (70) controls the start and stop of the pump and regulates the flow, the power and the lift of the pump.
4. An integrally biased oblique cone bottom type prefabricated pump station as claimed in claim 3, characterized in that a liquid level meter (81) is arranged in the outer shaft (10), and the variable frequency controller (70) controls the axial flow submersible pump (30) according to signals of the liquid level meter (81).
5. The integrally offset oblique cone bottom type prefabricated pump station according to claim 1, wherein the outer shaft (10) is integrally formed by glass fiber reinforced plastic.
6. The integrally biased oblique cone bottom type prefabricated pump station according to claim 1, wherein an upper port of the inner cylinder body (20) is higher than the upper surface of the outer shaft (10), a blank cap (82) is arranged on the port, and the axial-flow submersible pump (30) is hoisted into and out of the inner cylinder body (20) from the blank cap (82) by using a hoisting chain (83).
7. The integrally biased oblique cone bottom type prefabricated pump station as claimed in claim 1, wherein the water inlet short pipe and the water outlet short pipe on the outer shaft (10) are respectively connected with a water inlet rubber soft joint and a water outlet rubber soft joint which are connected with an external pipeline.
8. The integrally offset oblique cone bottom type prefabricated pump station according to claim 1, wherein a ventilation pipe (84) is installed on the right side of the upper part of the outer shaft (10) to communicate the outer shaft (10) with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320449340.7U CN219527915U (en) | 2023-03-09 | 2023-03-09 | Integrated offset oblique cone bottom type prefabricated pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320449340.7U CN219527915U (en) | 2023-03-09 | 2023-03-09 | Integrated offset oblique cone bottom type prefabricated pump station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219527915U true CN219527915U (en) | 2023-08-15 |
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ID=87627281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320449340.7U Active CN219527915U (en) | 2023-03-09 | 2023-03-09 | Integrated offset oblique cone bottom type prefabricated pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219527915U (en) |
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2023
- 2023-03-09 CN CN202320449340.7U patent/CN219527915U/en active Active
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