High-temperature furnace sealing structure

A sealing structure and high-temperature furnace technology, which is applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve problems such as unsuitable use and wear, and achieve the effect of improving performance and simple and reliable structural design

Inactive Publication Date: 2014-12-10
淮北市协力重型机器有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Because the traditional rubber sealing ring can only play a sealing role within the elastic limit, it is also a contact seal, and it also has wear problems, and it is not suitable for use in high temperature occasions

Method used

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  • High-temperature furnace sealing structure

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Embodiment Construction

[0009] Referring to the accompanying drawings, the sealing structure of the high temperature furnace includes a supporting surface 1, on which a graphite packing 2 is arranged, the outer end surface of the graphite packing 2 is fitted with a supporting flange 3, and a supporting plate is fixedly installed on the supporting flange 3 4. The upper guide rod 5 is slidably fitted on the support plate 4, the pressure ring 6 is placed on the graphite packing 2, the lower guide rod 7 is fixedly installed on the pressure ring 6, and the upper guide rod 5 is equipped with the lower guide rod 7 to match The guide hole 8 of the upper guide rod 5 is provided with a step outside, and a spring 9 is pressed between the lower end of the step and the pressure ring. The support flange 3 is connected with a fixed plate 10 through a connecting rod, and a top screw 11 is screwed on the fixed plate 10. The pressure is placed inside the pressure ring.

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Abstract

The invention discloses a high-temperature furnace sealing structure which comprises a supporting face. The supporting face is provided with graphite packing. A supporting flange is attached to the outer end face of the graphite packing. A supporting plate is fixedly installed on the supporting flange and is in sliding fit with an upper guide rod. A pressing ring is arranged on the graphite packing. A lower guide rod is fixedly arranged on the pressing ring. The upper guide rod is provided with a guide hole matched with the lower guide rod. The outer side of the upper guide rod is provided with a step. A spring is arranged between the lower end of the step and the pressing ring. By the adoption of the flexible sealing structure, the pressing ring bears the vertical and transverse pressure, the sealing property can be adjusted, the structural design is simple and reliable, and the use performance of equipment is greatly improved.

Description

technical field [0001] The invention relates to the field of high-temperature furnace sealing, in particular to a high-temperature furnace sealing structure. Background technique [0002] Because the traditional rubber sealing ring can only play a sealing role within the elastic limit, it is also a contact seal, which also has wear problems, and is not suitable for use in high temperature occasions. An alternative material with the same effect must be found. Because of the lower pressure, the main role of the alternative material is determined to be high temperature resistance and better flexibility. In daily static mechanical seals, a layer of grease is often coated on the surface of asbestos and other sealing materials to enhance the sealing effect, and tungsten disulfide high-temperature greases on the market have products with a service temperature of 600-800 °C. Contents of the invention [0003] The purpose of the present invention is to provide a high-temperat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/06
Inventor 张思新高忠发赵顺利刘永刘亚飞李梅范家森
Owner 淮北市协力重型机器有限责任公司
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