Novel horizontal h-shaped pump gate device

A gate device, a new type of technology, is applied to pump devices, water supply devices, components of pumping devices for elastic fluids, etc. It can solve the problems of not having the function of self-flowing water, unfavorable unit equipment, unfavorable unit bearings, etc., to achieve Favorable ventilation and heat dissipation, operation and maintenance, improvement of water pump efficiency, and good energy-saving effect

Pending Publication Date: 2021-08-31
CHANGJIANG SURVEY PLANNING DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Whether it is a bulb-type tubular pump, a shaft-type tubular pump, an inclined shaft extension pump, or a horizontal rear shaft extension pump, the water must pass through the water pump runner of the unit. Downward rotation, long-term low-speed operation is not good for the bearings of the unit, and high-speed rotation is easy to cause the unit to fly away, which is not good for the unit equipment. Therefore, it is only allowed to pump and discharge water when the water pump is running. , inclined shaft extension pump, and horizontal rear shaft extension pump devices do not have the function of self-flowing water

Method used

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  • Novel horizontal h-shaped pump gate device
  • Novel horizontal h-shaped pump gate device
  • Novel horizontal h-shaped pump gate device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] The new horizontal h-type pump gate device in this embodiment consists of a horizontal front shaft extension pump unit 18, a water suction trumpet pipe 4, a 90-degree elbow pipe 11, a diffuser pipe outlet flow channel 15, a lower water flow channel 3, a flap door 16 and Composed of working gate 5, horizontal front shaft extension pump unit 18 includes guide vane body 14, impeller chamber 12, impeller 13, pump shaft 8, packing seal 10, bearing box 9, gear reduction box 7 and asynchronous motor 6, and impeller 13 is arranged Between the guide vane body 14 and the packing seal 10, the pump shaft passes through the packing seal 10 from the 90-degree elbow 11, and the bearing box 9 is connected with the gear reduction box 7. The trumpet pipe 4 extends into the water flow channel 3 .

[0092] The impeller diameter D is 1m, the water pump diameter D N = 1.2m, 90-degree elbow turning radius R = 1.5m, water-absorbing horn tube diameter D 1 = 1.5m, water inlet to 90 degree elbo...

Embodiment 2

[0095] The new horizontal h-type pump gate device in this embodiment is the same as in Embodiment 1; the difference is that the diameter D of the impeller is 1.30m, and the diameter of the water pump is D N =1.4m, 90-degree elbow turning radius R=1.75m, water-absorbing trumpet pipe diameter D 1 = 1.95m, water inlet to 90-degree elbow water inlet h 1 = 1.58m, the width of the lower water channel d = 4.6m, the height of the lower water channel h 2 = 1.82m; the design net head of the pump is 0.88m, the net head range is 0-2.20m, the rated speed of the water pump is 225r / min, the gear reducer reduces the transmission, and the measured flow rate is 5m 3 / s, supporting asynchronous motor power 200kW; when the water level difference on both sides is 1m, the self-flowing drainage capacity of the lower flow channel is about 52m 3 / s.

Embodiment 3

[0097]The new horizontal h-type pump gate device in this embodiment is the same as in Embodiment 1; the difference is that the diameter D of the impeller is 1.5m, and the diameter of the water pump is D N =1.7m, 90-degree elbow turning radius R=1.7m, water-absorbing trumpet pipe diameter D 1 = 2.25m, water inlet to 90-degree elbow water inlet h 1 = 1.7m, the width of the lower water channel d = 5.4m, the height of the lower water channel h 2 =2.1m; the design net head of the pump is 0.86m, the net head range is 0~1.17m, the rated speed of the water pump is 180r / min, the gear reduction box reduces the transmission, and the measured flow rate is 6.25m 3 / s, supporting asynchronous motor power 250kW.

[0098] When the water level difference on both sides is 1m, the self-flowing drainage capacity of the lower flow channel is about 72.5m 3 / s.

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Abstract

The invention discloses a novel horizontal h-shaped pump gate device. The device comprises a bulkhead gate, a lower-layer water passing flow channel, a water suction horn pipe, a service gate, a bent pipe, a diffusion pipe water outlet flow channel, a flap valve and a horizontal front shaft extension type water pump unit; the horizontal front shaft extension type water pump unit is mounted above the water inlet side of the lower-layer water passing flow channel; one end of the horizontal front shaft extension type water pump unit is connected with the water suction horn pipe through a 90-degree elbow, and the other end of the horizontal front shaft extension type water pump unit is connected with the diffusion pipe water outlet flow channel; the water suction horn pipe extends into the lower-layer water passing flow channel; the flap valve is arranged at an outlet of the diffusion pipe water outlet flow channel and is positioned in a B-side water tank; the lower-layer water flow channel is positioned between an A-side water tank and the B-side water tank; the bulkhead gate is arranged at a communication port of the lower-layer water flow channel and the A-side water tank; and the working gate is arranged at a communication port of the lower-layer water flow channel and the B-side water tank. The device has the advantages of self-flowing water passing function, convenience in ventilation, heat dissipation and operation maintenance, and small occupied plane vertical water flow direction size.

Description

technical field [0001] The invention relates to the technical field of water conservancy engineering, and more specifically relates to a novel horizontal h-type pump gate device. Background technique [0002] The structure type of the pump device dominates the construction of the entire pumping station project, and will also affect the future operation, management and maintenance. In recent years, low-lift and ultra-low-lift pumping stations have been built in plain areas. The speed of low-lift pumps is very low. If the motor and the pump are directly driven, not only the size of the motor is large, but also the layout is difficult. Through the reduction transmission mode of the gear reducer, the low-speed synchronous motor is replaced by a high-speed asynchronous motor, and the structure of the motor is simplified and the size is reduced. The structure of the vertical water pump device requires a conventional superstructure building. In order to coordinate with the surroun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D5/00F04D13/06F04D13/12F04D29/043F04D29/046F04D29/18F04D29/08F04D29/44E03B5/00
CPCE03B5/00F04D5/00F04D13/06F04D13/12F04D29/043F04D29/0462F04D29/086F04D29/18F04D29/448
Inventor 陈洋徐学军陈茹李彬沈波陈凯波
Owner CHANGJIANG SURVEY PLANNING DESIGN & RES
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