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A ceramic sealing ring prepared from waste raw materials

A technology of ceramic sealing and waste ceramics, which is applied in the direction of engine sealing, mechanical equipment, engine components, etc., can solve the problems of limited use and sealing performance to be improved, and achieve good mechanical properties, maximum service temperature resistance and thermal conductivity improvement , Improve the effect of physical and chemical properties

Active Publication Date: 2017-04-26
江苏久日数控机床有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Ceramic sealing ring is the focus of current research. Some people put alumina 50-70wt%; zirconia 10-20wt%; ethylene glycol 3-7wt%; polyethylene 5-9wt%; silica sol, aluminum sol or soft clay One or more kinds of 2-5wt% made of refractory cement sealing ring, but its use is limited, and the sealing performance needs to be improved; and the introduction of nano-ceramics into the field of ceramics is a research hotspot now, due to the excellent physical and chemical properties of nano-materials Performance, will greatly improve the mechanical, electrical and mechanical properties of nano-ceramics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A method for preparing a ceramic sealing ring using waste raw materials, the sealing ring is divided into two parts, the inner part is a ceramic part, and the outer part is a rubber part, and the ceramic part is arranged in the rubber through a heat vulcanization process.

[0045] The parts by weight of the nano ceramic part consist of:

[0046] 50 parts of industrial waste ceramic raw materials

[0047] Nano silicon dioxide 30 parts

[0048] Nano silicon carbide 20 parts

[0049] Fused magnesia 15 parts

[0050] Nano boron carbide 10 parts

[0051] Nano zinc oxide 10 parts

[0052] Nano titanium oxide 10 parts

[0053] Carbon black 10 parts

[0054] Yttrium stabilized zirconia 20 parts

[0055] Andalusite 10 parts

[0056] Tempered fiber 5 parts

[0057] 3 parts of PVA

[0058] 3 parts of aluminate cement;

[0059] The parts by weight of the rubber part consist of:

[0060] 40 parts of waste silicone rubber

[0061] Bromobutyl rubber 50 parts

[0062] N66...

Embodiment 2

[0070] A method for preparing a ceramic sealing ring using waste raw materials, the sealing ring is divided into two parts, the inner part is a ceramic part, and the outer part is a rubber part, and the ceramic part is arranged in the rubber through a heat vulcanization process.

[0071] The parts by weight of the nano ceramic part consist of:

[0072] 70 parts of industrial waste ceramic raw materials

[0073] Nano silicon dioxide 10 parts

[0074] Nano silicon carbide 10 parts

[0075] Fused magnesia 10 parts

[0076] Nano boron carbide 5 parts

[0077] Nano Zinc Oxide 5 parts

[0078] Nano titanium oxide 5 parts

[0079] Carbon black 5 parts

[0080] Yttrium stabilized zirconia 10 parts

[0081] Andalusite 6 parts

[0082] Tempered fiber 1 part

[0083] 1 piece of PVA

[0084] 1 part of aluminate cement;

[0085] The parts by weight of the rubber part consist of:

[0086] 60 parts of waste silicone rubber

[0087] Bromobutyl rubber 30 parts

[0088] N660 carbon ...

Embodiment 3

[0096] A method for preparing a ceramic sealing ring using waste raw materials, the sealing ring is divided into two parts, the inner part is a ceramic part, and the outer part is a rubber part, and the ceramic part is arranged in the rubber through a heat vulcanization process.

[0097] The parts by weight of the nano ceramic part consist of:

[0098] 60 parts of industrial waste ceramic raw materials

[0099] Nano silicon dioxide 10 parts

[0100] Nano silicon carbide 10 parts

[0101] Fused magnesia 10 parts

[0102] Nano boron carbide 5 parts

[0103] Nano Zinc Oxide 5 parts

[0104] Nano titanium oxide 5 parts

[0105] Carbon black 5 parts

[0106] Yttrium stabilized zirconia 10 parts

[0107] Andalusite 6 parts

[0108] Tempered fiber 1 part

[0109] 1 piece of PVA

[0110] 1 part of aluminate cement;

[0111] The parts by weight of the rubber part consist of:

[0112] 50 parts of waste silicone rubber

[0113] Bromobutyl rubber 30 parts

[0114] N660 carbo...

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Abstract

The invention discloses a ceramic sealing ring prepared by using waste materials, by means of taking industrial waste ceramic materials, silicon dioxide, silicon carbide, boron carbide, zinc oxide, titanium oxide and the like as green body materials, and taking waste silicone rubber, brominated butyl rubber, N660 carbon black, glass fiber, activating agent and PEG20000 as rubber components, the sealing ring is obtained through heat vulcanization process, the preparation process of the sealing ring is simple and is easy to industrialize, and the sealing ring prepared has excellent physical and chemical properties.

Description

technical field [0001] The invention belongs to the field of sealing rings, in particular to a ceramic sealing ring prepared from waste raw materials. Background technique [0002] With the development of science and technology in our country, various processes have higher and higher demands for mechanical seals and motion seals. In metallurgy, machinery, chemical industry, medicine, food, corrosion-resistant pumps, automobiles and pneumatic components, etc. High precision, good mechanical strength, good high temperature wear resistance, good chemical corrosion resistance, and high performance sealing rings such as impervious to water when the temperature changes suddenly. [0003] Ceramic sealing ring is the focus of current research. Some people put alumina 50-70wt%; zirconia 10-20wt%; ethylene glycol 3-7wt%; polyethylene 5-9wt%; silica sol, aluminum sol or soft clay One or more kinds of 2-5wt% made of refractory cement sealing ring, but its use is limited, and the sealin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16J15/00C04B35/76C08L83/04C08L23/28C08K7/06C08K3/04
CPCC08L23/283C08L83/04C08L2205/03F16J15/00C08L71/00C08K7/14C08K3/04
Inventor 俞圣平
Owner 江苏久日数控机床有限公司
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