Reusable thrust chamber

Abstract

The invention relates to a reusable thrust chamber, which comprises a cover plate, an injection plate and a body part, wherein the injection plate comprises a substrate, and an annular lug boss, an outer circle of sealing tenon and an inner circle of sealing tenon, which are arranged at one side of the cover plate on the substrate, the substrate is provided with a plurality of first injection holes and a plurality of second injection holes, the cover plate comprises a heat insulation frame, a flange and a butt-joint plate, the butt-joint plate is provided with an inner circle of sealing groove and an outer circle of sealing groove, the cover plate is fixedly connected with the injection plate through the butt-joint plate, the inner circle of sealing groove and the outer circle of sealing groove are respectively matched with the inner circle of sealing tenon and the outer circle of sealing tenon, the heat insulation frame is provided with a first conveying pipe and a second conveying pipe, the first conveying pipe is communicated with a first liquid collection cavity, and the second conveying pipe is communicated with a second liquid collection cavity. Due to the adoption of the reusable thrust chamber, the technical problems of the existing thrust chamber that the machining procedures are complicated and the cost is increased by re-machining after the forming in one-step can be solved, the quantity of components can be effectively reduced, the process can be simplified, the machining period and cost of the product can be reduced, and the reutilization of the thrust chamber can be realized.

Description

Technical field [0001] The invention relates to a reusable thrust chamber, especially in the research of a small thrust orbit attitude control thrust chamber scheme, which is suitable for background projects with short research period and low development cost, and can also be used as a low-cost thrust chamber scheme for model products . Background technique [0002] The orbital attitude control power system is one of the important sub-systems of the spacecraft. It is mainly used for guidance control, attitude maintenance, orbit adjustment, etc. The thrust chamber is one of the core components, the main function is to realize the reasonable distribution and atomization of liquid propellant , Blending and combustion, converting chemical energy into heat energy, the high temperature gas produced is ejected at high speed through the nozzle to generate thrust, thereby providing direct control power for the power system. As a component that withstands high pressure and high heat flux,...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problem that the existing thrust chamber has complex processing procedures and needs to be reprocessed to increase the cost after improvement after one molding, the present invention provides a reusable thrust chamber, which overcomes the large number of parts in the traditional all-welded structure thrust chamber , complex processing technology, many welding procedures, etc., the thrust chamber is a full flange connection structure, which effectively reduces the number of parts, simplifies the process, shortens the processing cycle and cost of the product, and realizes the reusable thrust chamber

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