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Shock absorbing rubber material used for transformer

A technology for damping rubber and rubber materials, applied in the field of rubber materials, to achieve the effects of excellent mechanical properties, wide damping temperature range and long service life

Inactive Publication Date: 2015-11-25
STATE GRID ZHEJIANG ELECTRIC POWER +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above rubber damping materials are not suitable for transformer damping and noise reduction. The rubber damping materials for transformers are soaked in transformer oil all the year round. The temperature of transformer oil changes with the change of transformer load. The temperature range is from room temperature to 80°C

Method used

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  • Shock absorbing rubber material used for transformer
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  • Shock absorbing rubber material used for transformer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The raw materials for the preparation of shock-absorbing rubber include the following components in parts by mass:

[0056]

[0057]

[0058] The preparation process of the rubber material is as follows:

[0059] a) PVC pre-swelling

[0060] Mix polyvinyl chloride, heat stabilizer and plasticizer and stir at 65°C for 25 minutes to obtain a fully moistened polyvinyl chloride masterbatch;

[0061] b) plasticizing the Pengrun polyvinyl chloride masterbatch made in step a)

[0062] The masterbatch is plasticized to polyvinyl chloride with an open mill at a temperature of 155° C. for 2 minutes;

[0063] c) After adding nitrile rubber and anti-aging agent to the open mill of step b), kneading at 155° C. for 2 minutes under a pressure of 1 MPa;

[0064] d) Air-cool the blend obtained in step c) to room temperature, add hydrogenated nitrile butadiene rubber and carboxylated nitrile butadiene rubber into the open mill, add active agent, accelerator and reinforcing filler,...

Embodiment 2

[0067] The raw materials for the preparation of shock-absorbing rubber include the following components in parts by mass:

[0068]

[0069]

[0070] The preparation process of the rubber material is as follows:

[0071] a) PVC pre-swelling

[0072] Mix polyvinyl chloride, heat stabilizer and plasticizer and stir at 70°C for 30 minutes to obtain a fully moistened polyvinyl chloride masterbatch;

[0073] b) plasticizing the Pengrun polyvinyl chloride masterbatch made in step a)

[0074] The masterbatch is plasticized to polyvinyl chloride with an open mill at a temperature of 160°C for 3 minutes;

[0075] c) after adding nitrile rubber and anti-aging agent to the open mill of step b), at 160 ° C, mixing under 1 MPa pressure for 3 min;

[0076] d) Air-cool the blend obtained in step c) to room temperature, add hydrogenated nitrile butadiene rubber and carboxylated nitrile butadiene rubber into the open mill, add active agent, accelerator and reinforcing filler, and final...

Embodiment 3

[0079] The raw materials for the preparation of shock-absorbing rubber include the following components in parts by mass:

[0080]

[0081]

[0082] The preparation process of the rubber material is as follows:

[0083] a) PVC pre-swelling

[0084] Mix polyvinyl chloride, heat stabilizer and plasticizer and stir at 75°C for 35 minutes to obtain a fully moistened polyvinyl chloride masterbatch;

[0085] b) plasticizing the Pengrun polyvinyl chloride masterbatch made in step a)

[0086] The masterbatch was plasticized to polyvinyl chloride with an open mill at a temperature of 165°C for 4 minutes;

[0087] c) After adding nitrile rubber and anti-aging agent to the open mill of step b), kneading at 165 ° C for 4 min under a pressure of 1 MPa;

[0088] d) Air-cool the blend obtained in step c) to room temperature, add hydrogenated nitrile butadiene rubber and carboxylated nitrile butadiene rubber into the open mill, add active agent, accelerator and reinforcing filler, an...

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Abstract

The invention provides a shock absorbing rubber material used for a transformer. The rubber material is prepared from, by mass, 30-50 parts of butadiene-acrylonitrile rubber, 20-50 parts of hydrogenated butadiene-acrylonitrile rubber, 20-30 parts of carboxylic acrylonitrile butadiene rubber, 20-30 parts of polyvinyl chloride, 1-3 parts of vulcanizers, 3-8 parts of active agents, 1-3 parts of accelerators, 1-3 parts of anti-aging agents, 2-8 parts of plasticizers, 0.5-2 parts of heat stabilizers and 5-30 parts of reinforcing filler. The rubber material is resistant to oil and high temperature, and has a wide damping temperature range and excellent mechanical performance.

Description

technical field [0001] The invention relates to a rubber material, in particular to a shock-absorbing rubber material for a transformer. Background technique [0002] With the acceleration of urbanization, the continuous expansion of cities and the need for urban power grid transformation, some substations must be built in commercial and residential areas. [0003] The iron core of the transformer in the substation generates vibration and noise when it is magnetostrictive. Noise not only pollutes the environment and endangers human health, but the vibration of transformer core magnetostriction will accelerate the fatigue damage of transformer mechanical structure and affect the stability of transformer operation. The noise of the transformer also directly affects the size of the substation's footprint. [0004] Noise is very harmful to people. People who have been exposed to noise for a long time will have the following symptoms: affecting hearing, hindering study and work...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L15/00C08L13/00C08L27/06C08K13/02C08K5/09C08K3/22C08K3/06C08K5/47C08K5/40C08K3/32
Inventor 王广克楼其民李靖孔晓峰王斌何明锋杨建华龚列谦陈新韩钰聂京凯樊超徐利民田一刘晓圣
Owner STATE GRID ZHEJIANG ELECTRIC POWER
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