High-pressure dual-screw pump body pressing tool and high-pressure dual-screw pump static pressure test method

A technology of twin-screw pump and pump body, which is applied in the field of high-pressure twin-screw pump body pressing tooling and high-pressure twin-screw pump static pressure test field, can solve the problem of inability to accurately judge whether the working capacity of the low-pressure area inside the pump body meets the standard, etc. energy consumption effect

Pending Publication Date: 2020-06-02
HEBEI HENGSHENG PUMPS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This new inventive device helps make sure that there're no leaks or other issues when testing certain parts of an oil well. By doing this, it saves money compared to previous methods while still giving accurate results.

Problems solved by technology

This technical problem addressed in this patented text relating to the use of two types of twins screw pumps: one type has a shorter lifespan compared to another due to its design flaw or impurities during manufacturing process. Additionally, these devices have issues related to their performance under extreme conditions like high temperatures.

Method used

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  • High-pressure dual-screw pump body pressing tool and high-pressure dual-screw pump static pressure test method
  • High-pressure dual-screw pump body pressing tool and high-pressure dual-screw pump static pressure test method
  • High-pressure dual-screw pump body pressing tool and high-pressure dual-screw pump static pressure test method

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specific Embodiment approach

[0055] Please also refer to Figure 2 to Figure 4 , as a specific embodiment of a high-pressure twin-screw pump pump body pressing tooling provided by the present invention, the sealing assembly includes a first sealing ring 31 and a second sealing ring 32; wherein, the first sealing ring 31 and the second sealing ring 32 are fixedly sleeved on the spacer 2, and are located on the inner side of each supporting ring 500 one by one; the first sealing ring 31 is used to connect with one of the supporting rings 500, and the second sealing ring 32 is used to connect with the other The support rings 500 are connected.

[0056] When preparing the sealing assembly, the sizes of the first sealing ring 31 and the second sealing ring 32 are determined according to the sizes of the two supporting rings 500 in the pump body 100 . In the process of installing the spacer 2, if the sizes of the two support rings 500 are different, the sizes of the first sealing ring 31 and the second sealing ri

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Abstract

The invention provides a high-pressure dual-screw pump body pressing tool and a high-pressure dual-screw pump static pressure test method. The high-pressure dual-screw pump body pressing tool comprises two flange plates, an isolation part with two ends in abut joint with the two flange plates and a seal assembly mounted on the isolation part in a sleeving manner, the seal assembly is located on the inner sides of two supporting rings and is in abut joint with the two supporting rings, a cavity in a pump body is isolated into a high pressure cavity and a low pressure cavity, and the high-pressure dual-screw pump static pressure test method comprises the steps of dismounting a bearing pedestal, a rotor and a lining; mounting the high-pressure dual-screw pump body pressing tool on the pump body; and carrying out pressure conveying on different cavities in the pump body, and observing whether the pump body is leaked or not. According to the high-pressure dual-screw pump body pressing tooland the high-pressure dual-screw pump static pressure test method, the cavity in the pump body is isolated and subjected to a static pressure test, the total energy consumed by the test can be reduced, and the actual work capacity of a low-pressure area in the pump body can be more accurately judged.

Description

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Claims

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Application Information

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Owner HEBEI HENGSHENG PUMPS
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