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A load-sharing booster submersible pump applied to the co-production of multi-layer natural gas in the same shaft

A technology of the same shaft and natural gas, applied in the field of sub-load booster submersible pumps, can solve problems such as low working efficiency of submersible pumps, and achieve the effects of improving pumping efficiency, compact structure and optimizing internal space

Active Publication Date: 2022-03-22
CHINA UNIV OF MINING & TECH (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the utility model application CN201420547777.5, a submersible pump driven by a hollow shaft motor is proposed. Since the diameter of the hollow shaft (inner spiral tube) is too small, the working efficiency of this submersible pump is low

Method used

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  • A load-sharing booster submersible pump applied to the co-production of multi-layer natural gas in the same shaft
  • A load-sharing booster submersible pump applied to the co-production of multi-layer natural gas in the same shaft
  • A load-sharing booster submersible pump applied to the co-production of multi-layer natural gas in the same shaft

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Embodiment Construction

[0024] Such as Figure 1-Figure 5 As shown, a load-sharing booster submersible pump of the present invention, which is applied to the combined production of multi-layer natural gas and wells, includes an upper cover body 1, an annular support, a middle cover body 2, and a cylindrical shell sequentially arranged from top to bottom. 3 and the lower end cover 4, a rubber ring 5 is provided on the outer circle of the ring bracket, a turbocharger 6 is provided in the upper cover body 1, a central transmission shaft 7 is provided in the cylindrical shell 3 along the center line, and the upper end of the central transmission shaft 7 passes through The annular support is connected with the supercharger turbine 6 through transmission. The cylindrical shell 3 is provided with several hollow shafts 8 arranged around the central transmission shaft 7. The inner wall of the hollow shaft 8 is provided with a helical blade 9, and the space between two adjacent hollow shafts 8 is There are two...

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Abstract

A load-sharing booster submersible pump used in the combined production of multi-layer natural gas in the same shaft, including an upper cover body, an annular support, a middle cover body, a cylindrical shell and a lower end cover arranged sequentially from top to bottom, and the outer circle of the annular support There is a rubber ring, a turbocharger is installed in the upper cover, a central transmission shaft is provided along the center line in the cylindrical shell, and the upper end of the central transmission shaft passes through the ring bracket and is connected to the turbocharger. Several hollow shafts are arranged on the transmission shaft, the inner wall of the hollow shafts is provided with helical blades, and a motor is arranged between two adjacent hollow shafts. The load-sharing booster submersible pump of the present invention is compact in structure, ensures large pumping power in a small volume, can be used in series at the same time, and can customize different submersible pump installation schemes according to different underground working conditions, while reducing energy consumption Improved work efficiency.

Description

technical field [0001] The invention belongs to the technical field of submersible pumps and is applied to multi-layer unconventional natural gas (including coalbed methane, shale gas, tight sandstone tools, etc.), specifically a load-sharing pressurized submersible pump applied to the combined production of multi-layer natural gas and wells. Pump. Background technique [0002] Submersible pump is a kind of mechanical equipment that puts the pump body and motor into the water to work, and is an important equipment for deep well water extraction. Submersible pumps can be divided into two categories according to their working principles, one is impeller pumps, such as centrifugal pumps, and the other is positive displacement pumps, such as screw pumps. The centrifugal pump relies on the centrifugal force generated when the impeller rotates to transport the liquid. It has a simple structure and reliable operation, and can be used in various production and living scenes. Howeve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D13/10F04D29/00F04D29/12F04D29/24F04D29/62
CPCF04D13/10F04D29/007F04D29/242F04D29/126F04D29/628
Inventor 李勇许卫凯吴鹏高计县
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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