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Cut-resistant rubber lining plate

A technology of cutting resistance and lining plate, applied in the field of mill equipment, can solve the problem of low cutting resistance, achieve consistent cutting resistance, prolong service life, and avoid excessive sulfur.

Active Publication Date: 2018-02-23
安徽天益新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention provides a cut-resistant rubber liner, which solves the technical problem of low cut resistance of the prior art rubber liner

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0049] Further preferred mode, the preparation method of above-mentioned rubber material, comprises the following steps:

[0050] S1: The natural rubber is masticated separately, the masticating time is 110-130s, and the masticating temperature is 130-150°C;

[0051] S2: Add cis-1,4-polybutadiene rubber, polytetrafluoroethylene and wear-resistant agent to the natural rubber that has been masticated in step: S1 to continue masticating. The above masticating time is 50-60s, The refining temperature is 70-90°C;

[0052] S3: Add carbon black, aromatic oil, anti-aging agent, zinc oxide, stearic acid and processing aids to the mixture completed in step S2 for mixing and debinding. The above mixing time is 180-220s. 140~160℃;

[0053] S4: Cool the mixture that has been mixed in step S3 to below 23°C, and park it for more than 24 hours, add sulfur and a vulcanization accelerator to continue the second mixing and debinding, the above mixing temperature is 90-100°C, and the mixing tim...

Embodiment 1～3

[0063] Embodiments 1 to 3: according to the rubber material formula specified in Table 1,

[0064] S1: the natural rubber RSS1 was masticated separately at 140°C for 120s;

[0065] S2: Add cis-1,4-polybutadiene rubber, polytetrafluoroethylene and E2203-PU wear-resistant agent to the natural rubber after masticating, and continue masticating for 60 seconds at a temperature of 80°C;

[0066] S3: Add carbon black, aromatic oil, anti-aging agent, zinc oxide, stearic acid and processing aids to the masticated mixture for mixing and debinding, the mixing time is 200s, and the mixing temperature is 150°C;

[0067] S4: The mixture after mixing is cooled to below 23°C and parked for more than 24 hours, adding sulfur and vulcanization accelerator to continue the second mixing and debinding, the mixing temperature is 95°C, and the mixing time is 180s;

[0068] S5: Put the mixture obtained by kneading into the mold cavity. Under the condition of 185KGF, control the vulcanization temperat...

Embodiment 4

[0077] Embodiment 4: according to the formula of the concrete rubber material of embodiment 1,

[0078] S1: masticate natural rubber RSS1 alone at 130°C for 110s;

[0079] S2: Add cis-1,4-polybutadiene rubber, polytetrafluoroethylene and E2203-PU wear-resistant agent to the natural rubber after masticating, and continue masticating for 50 seconds at a temperature of 70°C;

[0080] S3: Add carbon black, aromatic oil, anti-aging agent, zinc oxide, stearic acid and processing aids to the mixture that has been masticated to carry out mixing and debinding. The mixing time is 180s, and the mixing temperature is 140°C;

[0081] S4: The above-mentioned mixed mixture is cooled to below 23°C, and parked for more than 24h, adding sulfur and vulcanization accelerator to continue the second mixing and debinding, the mixing temperature is 90°C, and the mixing time is 170s;

[0082] S5: Put the mixture obtained by kneading into the mold cavity. Under the condition of 180KGF, control the vul...

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Abstract

The invention provides a resistant rubber lining plate, and relates to the field of mill equipment. The rubber lining plate comprises a lining plate body, lifting bars and bolts, wherein the lifting bars comprise high lifting bars and low lifting bars, and the lifting bars and the lining plate body are fixed on the inner wall of a mill cylinder through the bolts; the high lifting bars and the lowlifting bars are alternately distributed on the lining plate body at the periphery of the inner wall of the mill cylinder. The rubber materials for preparing the rubber lining plate comprise natural rubber, cis-1,4-polybutadiene, carbon black, sulfur, zinc oxide, stearic acid, a vulcanization accelerator, an anti-aging agent, aromatic oil, a processing agent, polytetrafluoroethylene and a wear-resistant agent; the cut-resistant rubber material is prepared by controlling the temperature and the time of plastication and mixing and controlling vulcanization process. The technical problem that thecut resistance of the rubber lining plate in the prior art is low is solved, the prepared rubber lining plate has high resistance and cut resistance, and the service life of the rubber lining plate is prolonged.

Description

technical field [0001] The invention relates to the field of mill equipment, in particular to a rubber liner structure for a mill. Background technique [0002] Mills include semi-autogenous mills, ball mills, and the like. The main purpose of mill grinding is to grind the ore finely in the ball mill, so that the useful minerals and gangue and useful minerals and useful minerals can be separated into monomers. The so-called monomer dissociation means that useful minerals do not contain gangue, and gangue does not contain useful minerals. With the development of grinding technology and mill (semi-autogenous mill, ball mill) manufacturing technology, the size of grinding media and ore feeding has gradually increased, and the impact and wear on the mill liner have increased exponentially. Restricted by materials and production techniques, traditional manganese steel and alloy steel cast liners have reached their performance limits. [0003] Due to the high wear resistance, h...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08L91/00C08L27/18C08K13/02C08K3/04C08K3/06C08K3/22C08K5/18
CPCC08K2003/2296C08K2201/014C08L7/00C08L2205/035C08L9/00C08L91/00C08L27/18C08K13/02C08K3/04C08K3/06C08K3/22C08K5/18
Inventor 李宁生郑小豹
Owner 安徽天益新材料科技股份有限公司
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