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Preparation system and preparation method of solid engine grain

A solid engine and preparation system technology, applied in the direction of machines/engines, rocket engine devices, mechanical equipment, etc., can solve the problems of low preparation efficiency and safety hazards in the transfer steps

Pending Publication Date: 2022-02-18
HUBEI HANGPENG CHEM POWER TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a preparation system and method for solid motor grains to solve the technical problems of potential safety hazards and low production efficiency in the transfer step during the preparation of solid motor grains

Method used

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  • Preparation system and preparation method of solid engine grain
  • Preparation system and preparation method of solid engine grain
  • Preparation system and preparation method of solid engine grain

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, the preparation system of the solid motor grain of the embodiment of the present application includes:

[0031] Vibration device 1;

[0032] Mixing and forming device, the mixing and forming device includes a vacuum tank 21 and a cover plate 22, the vacuum tank 21 is fixed on the vibrating device 1, and the cover plate 22 has air holes; wherein the solid motor It is used to be fixed in the vacuum tank 21 and the opening of the combustion chamber 31 of the solid motor is upward, and the cover plate 22 is used to separate the independent space of the combustion chamber of the solid motor in the vacuum tank; that is The vent hole of the cover plate communicates with the combustion chamber of the solid motor and the inside of the vacuum tank;

[0033] The combustion chamber 31 of the solid motor is used as a container for mixing the raw materials of the grains and forming the grains, and the air holes are ...

Embodiment 2

[0059] Embodiment 2 of the present application is a method for preparing solid motor grains, using the solid motor grains preparation system of Embodiment 1 of the present application to prepare solid motor grains. The preparation method of the solid motor grain in the embodiment of the present application is especially suitable for the solid propellant and additives whose raw material is a solid propellant with high colloidal viscosity and high solid content.

[0060] The preparation method of the solid motor grain of the embodiment of the present application comprises the following steps:

[0061] Step S100: Fix the solid motor in the vacuum tank, and the opening of the combustion chamber of the solid motor is upward;

[0062] Step S200: Pour the grain material into the combustion chamber of the solid engine;

[0063] Step S300: the cover plate separates the space of the combustion chamber of the solid motor in the vacuum tank;

[0064] Step S400: According to the set mixi...

Embodiment 3

[0082] Since the grain raw material is very loose before processing, the volume of the grain raw material required to form the grain in the combustion chamber of the solid motor may be larger than the volume of the combustion chamber of the solid motor, and a riser is needed at this time. At the same time, it is necessary to use a mandrel to control the shape of the grain.

[0083] Embodiment 3 of the present application is a preparation method of a solid motor grain, which is further limited on the basis of Embodiment 2, and is suitable for structures that require a riser and require the use of mandrels to control the shape of the grain The preparation method of solid motor grain.

[0084] Correspondingly, step S200 specifically includes the following steps:

[0085] fixing a riser at the opening of the combustion chamber of said solid motor;

[0086] The powder column material is poured into the combustion chamber and the riser of the fixed engine from the upper port of th...

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Abstract

The embodiment of the invention provides a preparation system and a preparation method of a solid engine grain. The preparation system comprises a vibration device; a mixing and forming device which comprises a vacuum tank and a cover plate, wherein the vacuum tank is fixed on the vibration device, and the cover plate is provided with air holes; and a solid engine used for being fixed in the vacuum tank, wherein an opening of a combustion chamber of the solid engine faces upwards, and the cover plate is used for dividing the space of the combustion chamber of the solid engine in the vacuum tank. The combustion chamber of the solid engine is used as a container for mixing grain raw materials and forming grains, and the air holes are used for vacuumizing the vacuum tank in the forming process, so that bubbles among the grain raw materials enter the vacuum tank through the air holes and then are pumped away; the vibration device is used for providing vibration in the grain raw material mixing and grain forming process. The preparation method is a use method of the preparation system. According to the embodiment, the technical problems that potential safety hazards exist in the transferring step in the preparation process of the solid engine grain and the preparation efficiency is low are solved.

Description

technical field [0001] The present application relates to the technical field of solid motors, in particular to a preparation system and method for solid motor grains. Background technique [0002] Energetic material is a class of compounds or mixtures containing explosive groups or oxidants and combustibles that can independently undergo chemical reactions and output energy. It is an important part of military explosives, propellants and rocket propellant formulations. A solid engine is an engine in which the fuel is in solid form and the fuel is directly fixed in the combustion chamber of the engine. Energetic materials are used as fuel for solid motors. The fuel in solid form is usually a grain. The grain is a hollow cylinder made of propellant and a small amount of additives. The hollow part is the combustion surface, and its cross-sectional shape is circular or star-shaped. The preparation of the existing solid motor grains includes two steps. The first step is to put...

Claims

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Application Information

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IPC IPC(8): F02K9/24
CPCF02K9/24
Inventor 陆志猛夏强王青松孙涛左军涛张海鹏田献芬李从云
Owner HUBEI HANGPENG CHEM POWER TECH