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Cable protection structure and centrifugal extractor

A technology for protecting structures and cables, applied in structural connections, solvent extraction, separation methods, etc., can solve problems such as cable corrosion, affecting the reliability of centrifugal extractors, and easy damage to tapes, and achieves the effect of improving life

Pending Publication Date: 2021-05-11
RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the nuclear chemical industry work site, usually in an acidic environment, the corrosion of the cable, especially the solder part of the cable joint is serious, and it is usually wrapped with insulating tape. However, in an acidic environment, the tape is easily damaged, which in turn affects the integrity of the cable. work properly, thereby affecting the operational reliability of the centrifugal extractor

Method used

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  • Cable protection structure and centrifugal extractor
  • Cable protection structure and centrifugal extractor
  • Cable protection structure and centrifugal extractor

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Embodiment Construction

[0021] In order to better understand the purpose, structure and function of the present invention, below in conjunction with appendix Figure 1-3 , understanding of the present invention.

[0022] A cable protection structure is designed, including the stainless steel tube 4 that sets the cable 9 inside, the end plug installed at the lower end of the stainless steel tube 4, and the mounting piece connected to the upper end of the stainless steel tube 4; the lower end of the stainless steel tube 4 and the positioning structure 3 pass through They are connected together by welding, and the positioning structure 3 is squeezed with the tapered surface of the PTFE end plug 1 to realize the sealing and locking of the cable 9 . The positioning structure 3 is inserted into the bottom positioning groove 2 to realize the fixing of the stainless steel pipe 4 .

[0023] The mounting part includes a lock nut 5 sleeved on the stainless steel pipe 4, a flange plate 7 threaded with the lock ...

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Abstract

The invention discloses a cable protection structure, which comprises a stainless steel tube, an end plug piece and a mounting piece connected with the upper end of the stainless steel tube, wherein a cable is sleeved in the stainless steel tube; the end plug piece is mounted at the lower end of the stainless steel tube; the mounting piece comprises a locking nut arranged on the stainless steel tube in a sleeving mode and a flange plate in threaded connection with the locking nut, a conical surface sealing clamping ring is clamped between the locking nut and the flange plate, and the cable penetrates through the stainless steel pipe, the locking nut, the conical surface sealing clamping ring and the flange plate and stretches out of the stainless steel tube, the locking nut, the conical surface sealing clamping ring and the flange plate. The invention further discloses a centrifugal extractor, the centrifugal extractor comprises a motor and a cable electrically connected with the motor, the cable is installed in the cable protection structure, and the cable penetrates through the flange plate and then is electrically connected with the motor. By using the cable protection structure, the cable is isolated from the external acid environment, the service life of the cable is prolonged, and the operation stability of the centrifugal extractor is improved.

Description

technical field [0001] The invention belongs to the technical field related to electrical appliances, in particular to a cable protection structure and a centrifugal extractor. Background technique [0002] Centrifugal extractor is a commonly used extraction equipment in the field of nuclear chemical industry. It relies on the motor to drive the drum to rotate at high speed, and realizes the separation of two phases under the action of centrifugal force. On the one hand, the centrifugal extractor cable provides power for the motor, on the other hand, it undertakes the task of controlling the speed, and is an integral part of the centrifugal extractor. In the nuclear chemical industry work site, usually in an acidic environment, the corrosion of the cable, especially the solder part of the cable joint is serious, and it is usually wrapped with insulating tape. However, in an acidic environment, the tape is easily damaged, which in turn affects the integrity of the cable. Nor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G3/04H02K11/00B01D11/00
CPCH02G3/0462H02K11/0094B01D11/00
Inventor 丁丁赵刚
Owner RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND