Extrusion type oxidizing agent supply solid-liquid mixing engine

A technology of solid-liquid mixing and oxidant, which is applied in the direction of machines/engines, rocket engine devices, mechanical equipment, etc., can solve the problems of increasing the negative mass of the engine, breaking through the aluminum sheet, and low combustion efficiency of the solid-liquid mixed engine, so as to reduce the negative mass , prevent leakage, and facilitate disassembly and assembly

CN114320667AActive Publication Date: 2022-04-12NORTHWESTERN POLYTECHNICAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2022-04-12

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Abstract

The invention discloses an extrusion type oxidizing agent supply solid-liquid mixing engine, and belongs to the technical field of aerospace propulsion. Comprising an extrusion gas cylinder, an oxidant storage box, an oxidant conveying pipeline and a combustion chamber, an outlet of the extrusion gas cylinder is communicated with an inlet of the oxidant storage tank through a pressure reducing valve and a flow regulating valve; an outlet of the oxidant storage tank is communicated with an inlet of the combustion chamber through an oxidant conveying pipeline; a multi-branch aluminum pipe inlet of the oxidant conveying pipeline is communicated with an outlet of the oxidant storage tank, a first outlet of the oxidant conveying pipeline is communicated with an inlet of the combustion chamber through a flow regulating valve and a pneumatic valve in sequence, and a second outlet of the oxidant conveying pipeline is communicated with the pneumatic valve through a pressure reducing valve and an electromagnetic valve in sequence; on-off of an oxidizing agent conveying system pipeline and two oxidizing agent filling modes are achieved through remote control; according to the invention, the injector and the spray pipe are fixed on the cabin wall of the combustion chamber by selecting a radial screw connection mode as a fixing mode, so that the combustion efficiency of the solid-liquid mixing engine is improved, and the negative quality caused by a flange plate is reduced.
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Description

technical field

[0001] The invention belongs to the field of aerospace propulsion technology, and in particular relates to a squeeze-type oxidant supply solid-liquid mixing engine. Background technique

[0002] The solid-liquid hybrid engine is an aerospace power device that uses liquid oxidant and solid fuel as energy and working medium sources. It has the advantages of good safety, adjustable thrust, green environmental protection, and low cost. It is expected to be used in the aerospace field, especially in suborbital It has broad development space and application prospects in the fields of aircraft, small and medium-sized sounding rockets, missile weapons, and manned spacecraft.

[0003] The oxidant supply system stably delivers oxidant to the thrust chamber at a specific pressure and flow rate during engine operation to ensure stable engine operation. Squeeze type oxidant supply system is composed of high-pressure gas cylinder, pressure reducing valve, oxidant storage ...

Examples

Embodiment Construction

[0034] The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention.

[0036] The invention relates to a solid-liqu...