Abstract

The investigation was aimed at testing the performances in fire-resistance and transmission efficiency of non-metallic flexible materials in flameproof diesel engine locomotive which may replace traditional metal flame arresters with low gas transmission efficiency. On the basis of the chain reaction mechanism, the mixed gas was burnt in the experiment, and the free radical which can be absorbed by tiny pores of flexible fiber materials and quenched was released. A 9-m-long steel pipeline with an inner diameter of 110 mm was used to simulate the environment of gas transmission. The experimental results showed that flame arresters made of flexible fiber materials can improve the gas transmission efficiency about 3% to 7%, and they also have excellent performances in fire resistance.

Highlights

  • With the increase in the mining depth of coal mining and production, the pressure and the emission of gas are higher than before

  • The chain reaction will slow down and even terminate. The aim of this is to verify properties of non-metallic flexible fiber materials in fire resistance and transmission efficiency so that we can apply it to the flameproof diesel engine locomotive

  • Based on the investigation concerning the performances in fire resistance and transmission efficiency of nonmetallic flexible fiber material of flame arresters, the following conclusions can be drawn: Discussion

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Summary

Introduction

With the increase in the mining depth of coal mining and production, the pressure and the emission of gas are higher than before. Tiny pores of the porous materials, increases the probability of absorbing free radicals during chain reaction so as to prevent the combination of free radicals and premixed gas. The chain reaction will slow down and even terminate The aim of this is to verify properties of non-metallic flexible fiber materials in fire resistance and transmission efficiency so that we can apply it to the flameproof diesel engine locomotive. We often install metal flame arresters in the exhaust outlet of the diesel engine to prevent combustible gases from burning and exploding It will cause the problems of rising oil consumption and worsening emissions.[9] it is more necessary to study non-metal flexible materials to solve these problems

Experimental setup
Result of flame quenching
Conclusion
Full Text
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