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PROCESS OF NEUTRALIZATION OF INTERNAL SPACES OF LIQUID- PROPELLANT ROCKET ENGINES FROM TOXIC COMPONENTS OF FUEL
PROCESS OF NEUTRALIZATION OF INTERNAL SPACES OF LIQUID- PROPELLANT ROCKET ENGINES FROM TOXIC COMPONENTS OF FUEL
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机译：燃料中毒成分对火箭液体发动机内部空间进行中和的过程
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摘要
FIELD: neutralization of high-toxic remainings of fuel components negatively acting on repeat start of liquid-propellant rocket engines. SUBSTANCE: process of neutralization is carried out by alternation of technological operations of flushing and vacuum treatment. Spaces are blown through by mixture of gaseous nitrogen and vapors of substances entering into exothermic reaction with fuel components till temperature begins to fall and concentration of flushing gas across outlets of flushed spaces at end of flushing increases as compared with parameters at beginning of flushing. Vapors of heptyl used to flush line 0 and vapors of amyl use to flush line L are employed as substance entering into chemical reaction with fuel components. Concentration of substance in flushing gas is chosen below lower limit of self-ignition of vapors of substance with liquid phase of fuel components. Process does not require different technological liquids for neutralization that negatively act on serviceability of engine in individual cases. EFFECT: decreased probability of bringing of fuel components into environment. 3 cl, 1 dwg
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