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A safety separation device for small composite solid rocket motor case and grain

An engine casing, solid rocket technology, applied in rocket engine devices, machines/engines, jet propulsion devices, etc., can solve problems such as difficult recycling and reuse, and achieve the effects of small equipment investment, high efficiency, and improved efficiency

Active Publication Date: 2017-07-28
HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The engine charge directly cut by high-pressure water jet contains a lot of water, so it is difficult to recycle and reuse

Method used

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  • A safety separation device for small composite solid rocket motor case and grain
  • A safety separation device for small composite solid rocket motor case and grain

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Experimental program
Comparison scheme
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Embodiment Construction

[0022] The present invention will be described in detail below in combination with specific embodiments.

[0023] figure 1 Among them, the present invention includes an upper seal seat 1 on the engine case, a lower seal seat 2 on the engine case, and a cylindrical knife 3; the upper seal seat 1 on the engine case is connected to the solid rocket motor case 4 by sealing; There is an adjustable liquid inlet valve 6; the lower sealing seat 2 of the engine case is sealed and connected with the solid rocket motor case 4; there is an adjustable liquid outlet valve 7 on the lower sealing seat 2 of the engine case; the cylindrical knife 3 It is a cylindrical part with one end closed and the other end sharpened, which is connected with the push rod 5; the push rod 5 is a dynamic seal with the seal seat 1 on the engine case; the push rod 5 can move up and down relative to the seal seat 1 on the engine case . When a certain pressure is added to the push rod 5, the push rod 5 can push t...

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Abstract

A safety separating device for a shell and a grain of a small-sized composite solid rocket engine comprises an upper sealing seat and a lower sealing seat which are mounted at the upper end and the lower end of an engine shell to be processed in a sealing mode. A liquid inlet is formed in the upper sealing seat, and a liquid inlet valve used for regulating the flow quantity of sense reducing liquid entering the engine shell to be processed is connected to the liquid inlet. A liquid outlet is formed in the lower sealing seat, and a liquid outlet valve used for regulating the flow quantity of sense reducing liquid flowing out of the engine shell to be processed is connected to the liquid outlet. A cylinder cutter used for cutting the grain in the engine shell to be processed is arranged in the upper sealing seat, and is of a cylindrical structure with the closed upper end and a cutting edge at the lower end. A push rod used for pushing the cylinder cutter to cut the grain downwards penetrates through the upper sealing seat to be connected with the cylinder cutter. The position, making contact with the upper sealing seat, of the push rod is dynamically sealed. The safety separating device has the advantages of being safe, high in efficiency, small in equipment investment and suitable for recovery processing of small-sized scrapped solid rocket engines.

Description

technical field [0001] The invention relates to a device for separating the shell of a scrapped small solid rocket motor from a composite propellant grain column, which belongs to the technical field of solid rocket motor processing and recycling, and is mainly used for shells and composite propellant grains of scrapped solid rocket motors. The separation of the column prepares for the subsequent recovery and reuse of the engine casing and the grain column. Background technique [0002] The performance of composite propellant grains in solid rocket motors will gradually decline during storage, and after a certain service period, its performance will decline to the point that it cannot meet the requirements of use and is scrapped. Scrapped solid rocket motors are very dangerous and need to be decontaminated to recover valuable components. Separating the solid rocket motor casing from the composite propellant grain is a key process for engine disposal and reuse. Generally, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02K9/32
Inventor 李忠友葛志强吉志强熊伟强姚南
Owner HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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