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Cutting-resistant rubber liner plate for ball mill

A cutting-resistant and ball mill technology, applied in the field of mill equipment, can solve the problems of large specific surface area of ​​rubber materials, reduced grinding efficiency of the mill, and large inner cylinder capacity of the mill, so as to achieve consistent cutting resistance and prolong vulcanization time. , Improve the effect of cutting resistance

Active Publication Date: 2018-04-27
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 cutting-resistant rubber liner for a ball mill, which solves the problem of the low cutting resistance of the rubber liner in the prior art, the large specific surface area of ​​the rubber material, and the large capacity occupied by the inner cylinder of the mill, reducing the Technical Problems of Grinding Efficiency of Mill

Method used

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  • Cutting-resistant rubber liner plate for ball mill
  • Cutting-resistant rubber liner plate for ball mill
  • Cutting-resistant rubber liner plate for ball mill

Examples

Experimental program
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Effect test

preparation example Construction

[0056] Preferably, the preparation method of above-mentioned rubber material, comprises the following steps:

[0057] S1: The natural rubber is masticated separately, the masticating time is 110-130s, and the masticating temperature is 130-150°C;

[0058] S2: Add cis-1,4-polybutadiene rubber, polytetrafluoroethylene and wear-resistant agent to the natural rubber masticated in step S1 to continue masticating. The above masticating time is 50-60s. The temperature is 70-90°C;

[0059] 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℃;

[0060] 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 time 170~190s;

[0061] S5: put the m...

Embodiment 1～3

[0066] Embodiments 1 to 3: according to the rubber material formula specified in Table 1,

[0067] S1: masticating RSS1 natural rubber alone at 140°C for 120s;

[0068] 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;

[0069] 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;

[0070] 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;

[0071] S5: Put the mixture obtained by kneading into the mold cavity. Under the condition of 185KGF, control the vulcanization temperature at 140°C...

Embodiment 4

[0080] Embodiment 4: according to the formula of the concrete rubber material of embodiment 1,

[0081] S1: masticate RSS1 natural rubber alone at 130°C for 110s;

[0082] 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;

[0083] 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;

[0084] 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;

[0085] S5: Put the mixture obtained by kneading into the mold cavity. Under the condition of 180KGF, control the vulca...

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Abstract

The invention provides a cutting-resistant rubber liner plate for a ball mill, and relates to the field of mill equipment. The rubber liner plate structurally comprises a liner plate body, lifting bars and bolts; the lifting bars are pressed on the liner plate body; the lifting bars and the liner plate body are fixed to the inner wall of a mill barrel through the bolts; the lifting bars comprise high lifting bars and low lifting bars; the high lifting bars and the low lifting bars are alternately distributed on the liner plate body in the circumferential direction of the inner wall of the millbarrel; and rubber materials for preparing the rubber liner plate comprise natural rubber, cis-1,4-polybutadiene, carbon black, sulfur, zinc oxide, stearic acid, a vulcanization accelerator, an antioxidant, aromatic oil, a processing aid, polytetrafluoroethylene and an anti-wear agent. The prepared rubber liner plate has high wear resistance and cutting resistance; and through the structure, theoccupied size of the rubber liner plate in the mill barrel is reduced reasonably, the capacity of the mill barrel is increased, the grinding efficiency of a mill is improved, and the service life of the rubber liner plate is prolonged.

Description

technical field [0001] The invention relates to the field of mill equipment, in particular to a cut-resistant rubber liner for a ball 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 limit. [0003] Due to the high wear resis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C17/22C08L7/00C08L9/00C08L27/18C08L75/04C08K13/02C08K3/04C08K3/22C08K5/09C08K3/06B02C17/10
CPCB02C17/10B02C17/225C08K2003/2296C08K2201/014C08L7/00C08L2205/035C08L9/00C08L27/18C08L75/04C08K13/02C08K3/04C08K3/22C08K5/09C08K3/06
Inventor 郑小豹李宁生程林彭东陈世民
Owner 安徽天益新材料科技股份有限公司
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