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Deep-well pump

A deep well pump and casing technology, applied in the direction of pump, pump control, pump device, etc., can solve the problems of motor drive system bearing, seal wear and damage, long shaft deep well pump not working properly, etc.

Active Publication Date: 2017-05-17
浙江大秦泵业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For natural river water with a lot of sediment and relatively hard sediment particles, because the sediment is easy to cause serious wear and damage to the bearings and seals of the motor drive system, ordinary long-axis deep well pumps can no longer work normally in this environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Example 1: Combination figure 1 ,as well as Figure 5 to Figure 10 . Such as figure 1 The structure diagram shown is a deep well pump, which includes an upper casing 1, a filter cover 2, and a lower casing 3. The filter cover 2 is arranged between the upper housing 1 and the lower housing 3, and the lower housing 3 is provided with a first filter structure 400 that can be turned outward.

[0047] The first filter mesh structure 400 includes a plurality of mesh covers 401, a hinge 402 connecting the mesh cover 401 and the lower housing 3, and a first magnet 403 fixed on the end of the mesh cover 401 away from the hinge 402, and is arranged inside the lower housing 3. There is an electromagnetic mechanism 404 for forming a magnetic field of the same or opposite sex as the first magnet 403. The net cover 401 adopts a lighter metal wire mesh structure, or a plastic structure. The hinge 402 allows the net cover 401 to rotate. Since there will be a gap when the net covers 401...

Embodiment 2

[0067] Embodiment 2: Based on the design concept of Embodiment 1, a second filter structure 500 is provided on the upper housing 1. The second filter structure 500 is the same as the first filter structure 400, the hinge 402 is provided at the upper end, and the first magnet 403 is provided at the lower end. According to this design, when the sediment flows from top to bottom, the second filter structure 500 can make the sediment accumulate from the middle to the two sides through the inverted funnel structure. When the deep well pump is not working, it will The mesh cover 401 is closed, and the sediment accumulated on the side wall can fall freely and sink to the upper shell 1 to set the second filter mesh structure 500 to increase the second filter effect. Because the deep well pump is in the working process, the well The wall may also produce sand falling, so this design further improves the filtering effect.

Embodiment 3

[0068] Embodiment 3: The difference from Embodiment 2 is that the hinge 402 is provided at the lower end, and the first magnet 403 is provided at the lower end. The second filter screen structure 500 and the first filter screen structure 400 are arranged upside down to each other, which facilitates the accumulation and collection of sediment. The switch circuit 9 is used to perform cycle timing to enable each detection device, which embodies automation and intelligence.

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Abstract

The invention discloses a deep-well pump and provides an electric control automatic sand-proof deep-well pump to solve the problem that a deep-well pump is prone to being affected by silt during underground work. According to the technical scheme, the deep-well pump comprises an upper shell, a filter cover and a lower shell; the filter cover is arranged between the upper shell and the lower shell which is provided with a first filter net structure capable of being overturned towards the outside; the first filter net structure comprises a plurality of net covers, hinge pieces used for connecting the net covers with the lower shell, and first magnets fixed to the ends, deviating from the hinge parts, of the net covers; and the inner side of the lower shell is provided with electromagnetic mechanisms, and the first magnets and the electromagnetic mechanisms form homopolar magnetic fields or heteropolar magnetic fields correspondingly. The intelligent sand-proof and desanding effects are achieved.

Description

Technical field [0001] The invention relates to the technical field of deep well pumps. Background technique [0002] The deep-well pump is a general-purpose water-lifting machine that is directly connected to the motor and the water pump and submerged into the water. Its working principle is that after the pump is turned on, the motor shaft and the pump shaft are driven by the sleeve coupling, and the impeller rotates at a high speed. The blades rotate together to work on the liquid under the action of centrifugal force, converting the mechanical energy into liquid energy. The well water flies away from the impeller and shoots outward. The speed of the injected liquid in the diffusion chamber of the pump casing gradually slows down and the pressure gradually increases. The outlet pipe flows out. The deep well pump is actually a vertical single-suction segmented multi-stage centrifugal pump. [0003] The selection of the deep well pump should be correctly selected according to th...

Claims

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Application Information

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IPC IPC(8): F04D29/70F04D15/00F04D13/10
CPCF04D13/10F04D15/00F04D15/0077F04D29/708
Inventor 赵志琳
Owner 浙江大秦泵业有限公司