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Sealing ring used for acid-resistant and alkali-resistant pump

A technology for sealing rings and pumps, applied to the sealing of engines, engine components, mechanical equipment, etc., can solve problems affecting production efficiency and progress, failure of mechanical sealing rings, and increased production costs, etc., to achieve good mechanical strength and rebound Good efficiency and low wear effect

Inactive Publication Date: 2015-03-25
TIANJIN NENGXIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to prevent material leakage, a mechanical seal ring must be installed between the equipment pump body and the rotating shaft. However, the existing mechanical seal ring cannot meet the requirement of no leakage in strong corrosive media, so that the mechanical seal ring often fails and has to be shut down. maintenance, and also need to be replaced regularly, which not only increases the production cost, but also greatly affects the production efficiency and progress

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The sealing ring for an acid and alkali resistant pump in this embodiment includes an engineering plastic ring and a braided fiber sealing packing molded ring. The braided fiber sealing packing molded ring is bonded and pressurized into one body. According to the temperature, pressure and speed of the sealing medium of mechanical equipment, the combined structure can be designed as an engineering plastic ring and a braided fiber sealing packing molded. Combination of Rings, Example 2

Embodiment 2

[0013] The sealing ring for an acid and alkali resistant pump in this embodiment includes an engineering plastic ring and a braided fiber sealing packing molded ring. The braided fiber sealing packing molded ring is bonded and pressurized into one body with the engineering plastic ring. According to the temperature, pressure and speed of the sealing medium of the mechanical equipment, the combined structure can be designed as two engineering plastic rings and one braided fiber sealing packing is molded. Combination of forming rings.

Embodiment 3

[0015] The sealing ring for an acid and alkali resistant pump in this embodiment includes an engineering plastic ring and a braided fiber sealing packing molded ring. The braided fiber sealing packing molded ring is bonded and pressurized into one body. According to the temperature, pressure and speed of the sealing medium of mechanical equipment, the combined structure can be designed as one or two braided fiber sealing packing molded ring clips. A combination of engineering plastic rings.

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PUM

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Abstract

A sealing ring used for an acid-resistant and alkali-resistant pump is characterized by comprising an engineering plastic ring and a weave fiber gland packing compression molding forming ring.

Description

field of invention [0001] The invention relates to a sealing ring, in particular to an acid and alkali resistant pump sealing ring. Background technique [0002] Sealing rings are two ring-shaped parts in mechanical seals whose end faces are perpendicular to the axis of rotation and which fit and slide relative to each other. Sealing rings are widely used in the sealing of pumps, kettles, etc., and are the main seals of rotary joints. [0003] In the petrochemical, pharmaceutical, metallurgical and other fields, the specific materials required are strong corrosive materials such as hydrofluoric acid, hydrochloric acid, sulfuric acid, and caustic alkali. In order to prevent material leakage, a mechanical seal ring must be installed between the equipment pump body and the rotating shaft. However, the existing mechanical seal ring cannot meet the requirement of no leakage in strong corrosive media, so that the mechanical seal ring often fails and has to be shut down. Maintena...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/16
CPCF16J15/20F16J15/30
Inventor 戴云超
Owner TIANJIN NENGXIN TECH
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