System and method for determining explosion suppression performance of liquid fuel vapor by water vapor

A liquid fuel and measurement system technology, applied in the direction of material explosion, can solve the problem of insufficient reaction of hydrocarbons, and achieve the effect of ensuring speed and accuracy, and accurate data

Active Publication Date: 2015-01-21
PETRO OIL & LUBRICANT RES INST OF THE GENERAL LOGISITIC DEPT OF PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The conditions for the formation of soot and particles after emulsified oil combustion include high temperature, high pressure, dehydrogenation of fuel oil under anoxic conditions, insufficient reaction of hydrocarbons, etc.

Method used

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  • System and method for determining explosion suppression performance of liquid fuel vapor by water vapor
  • System and method for determining explosion suppression performance of liquid fuel vapor by water vapor
  • System and method for determining explosion suppression performance of liquid fuel vapor by water vapor

Examples

Experimental program
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Effect test

Embodiment 1

[0059] Such as figure 1 As shown, a water vapor anti-explosion performance measurement system for liquid fuel vapor includes an explosion chamber 1, a computer, a main control system and a first vacuum device 7 connected thereto, a gas circulation device 8, and a liquid fuel vapor supply device 4 , dry air supply device 5, water vapor supply device 9 and ignition device; described explosion chamber 1 is a closed hollow tubular structure, and the hollow part of described explosion chamber 2 is an explosion space, and a point is installed at the beginning of described explosion chamber 1 The fire electrode 6 is equipped with an explosion chamber pressure sensing device at the end, the ignition electrode 6 is connected with the ignition device, and the explosion chamber pressure sensing device is connected with the main control system; the liquid fuel supply device 4. The dry air supply device 5, the steam supply device 9 and the first vacuum device 7 are all connected to the exp...

Embodiment 2

[0069] A method for measuring the anti-knock performance of water vapor to liquid fuel vapor using the water vapor detonation suppression performance measurement system for liquid fuel vapor described in Example 1, comprising the steps of:

[0070] A. Use the first vacuuming device 7 to evacuate the explosion space, then pass liquid fuel vapor into the explosion space with the liquid fuel vapor supply device 4, and pass water vapor into the explosion space with the water vapor supply device 9 And use the dry air supply device 5 to inject dry air therein until the internal pressure of the explosion space is a standard atmospheric pressure; open the gas circulation device 8 to mix the liquid fuel vapor, water vapor and dry air to obtain a mixed gas;

[0071] B. detonate the mixed gas by ignition device and ignition electrode 6; the explosion chamber pressure sensing device transmits the measured explosion pressure data to the computer, and compares the measured explosion pressure...

Embodiment 3

[0074] A method for measuring the anti-knock performance of water vapor to liquid fuel vapor using the water vapor detonation suppression performance measurement system for liquid fuel vapor described in Example 1, comprising the steps of:

[0075] A, use the first vacuum device 7 to evacuate the explosion space to a vacuum degree of 0.8KPa; inject constant temperature water into the interlayer constant temperature structure of the side wall of the explosion chamber 1 with a constant temperature water supply device, the temperature of the constant temperature water 90°C;

[0076] Using the liquid fuel vapor supply device 4 to prepare the liquid fuel vapor specifically includes the following steps:

[0077] Turn on the second vacuum device 415 to evacuate the steam generation tank 402 and the steam storage tank 403 to a vacuum degree of 0.75-1.5Kpa, then close the second vacuum device 415 and close the air supply control Valve 412, open the constant temperature water supply de...

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Abstract

The invention discloses a system for determining the explosion suppression performance of liquid fuel vapor by water vapor. The system comprises an explosion bin (1), a computer, a main control system, and a first vacuumizing device (7) connected with the main control system, a gas circulation device (8), a liquid fuel vapor supplying device (4), a dry air supplying device (5), a water vapor supplying device (9), an ignition device and a constant-temperature water supplying device, wherein the liquid fuel supplying device (4), the dry air supplying device (5), the water vapor supplying device (9) and the first vacuumizing device (7) are all communicated with the explosion bin (1); the explosion bin (1) is internally provided with ignition electrodes (6) and an explosion bin pressure sensing device; the main control system is connected with the computer. The invention also discloses a method for determining the explosion suppression performance of liquid fuel vapor by water vapor. The system for determining the explosion suppression performance of liquid fuel vapor by water vapor has the advantages of determination accuracy, safety and reliability.

Description

technical field [0001] The invention relates to an explosion suppression performance measurement system and a measurement method, in particular to a water vapor-to-liquid fuel vapor explosion suppression performance measurement system and a measurement method. Background technique [0002] Fuel water mixing is an ancient and emerging topic. As early as more than 100 years ago, someone proposed the fuel water mixing technology. Because the fuel-water emulsion can produce a micro-explosion effect during combustion, it causes secondary atomization of the fuel, making the combustion It is more sufficient, greatly reducing the emission of smoke and harmful gases; but because ordinary emulsions are unstable, easy to separate, and cannot be stored for a long time, their application has been greatly restricted; in recent years, with the development of microemulsion theory, The development of transparent, stable and micro-emulsion fuel oil with performance close to that of ordinary f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/54
Inventor 安高军鲁长波熊春华雷正周友杰王旭东王浩喆
Owner PETRO OIL & LUBRICANT RES INST OF THE GENERAL LOGISITIC DEPT OF PLA
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