Test method for minimum ignition energy of gas-solid two-phase combustible materials

A test method and ignition energy technology, which is applied in the direction of material explosion, can solve the problem of the minimum ignition energy test method without gas-solid two-phase, and achieve simple operation, good technical effect, and good repeatability

Active Publication Date: 2022-06-17
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is that there is no test method for the minimum ignition energy of gas-solid two-phase in the prior art, and a new test method for the minimum ignition energy of gas-solid two-phase combustible materials is provided

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  • Test method for minimum ignition energy of gas-solid two-phase combustible materials

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Embodiment 1

[0020] A method for testing the minimum ignition energy of gas-solid two-phase combustible materials, using a minimum ignition energy test device (such as figure 1 The minimum ignition energy test of gas-solid two-phase combustible materials is carried out. The main body of the device is a spherical test cavity, the vacuum pump and buffer tank are connected to the cavity, and the ignition electrode is installed on the flange on the upper side of the cavity. One end of the spark generator is connected to the ignition electrode, and the other end is connected to the computer; during the test, the following steps are included: (1) The combustible gas cylinder and the air cylinder are prepared into a mixture according to the working condition ratio and enter the mixer; (2) Combustible dust Place it on the dust collector, turn on the vacuum pump, and vacuum the test chamber. Part of the mixed gas in the mixer enters the chamber, and the other part enters the high-pressure gas storag...

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Abstract

The invention relates to a method for testing the minimum ignition energy of a gas-solid two-phase combustible material, which mainly solves the problem that there is no minimum ignition energy test method for the gas-solid two-phase in the prior art. The present invention adopts a minimum ignition energy test method of gas-solid two-phase combustible materials, and adopts a minimum ignition energy testing device to test the minimum ignition energy of gas-solid two-phase combustible materials. The main body of the device is a spherical test chamber, a vacuum pump, a buffer The tank is connected to the cavity, and the ignition electrode is installed on the flange on the upper side of the cavity. The technical solution that one end of the precision spark generator is connected to the ignition electrode, and the other end is connected to the computer solves the above problems well, and can be used for gas In the test of the minimum ignition energy of solid two-phase combustible materials.

Description

technical field [0001] The invention relates to a method for testing the minimum ignition energy of gas-solid two-phase combustible materials. The patent of the invention is mainly used in the production and storage field of the three major synthetic materials, plastics, rubber and synthetic fibers, in order to prevent the occurrence of fire and explosion under the synergistic effect of the gas-solid two-phase system during production and storage. Background technique [0002] In the production process of the three major synthetic materials, polymer products are obtained by addition polymerization of small molecular raw materials. Small molecular raw materials such as ethylene and butene are all gaseous, and polymer products are solid. Below the lower explosion limit, the single component will not have an explosion accident, but the mixture of the two has the risk of explosion. [0003] The minimum ignition energy of mixed substances is related to the minimum ignition energ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/54
CPCG01N25/54
Inventor 王振刚费轶张晨刘静如张帆
Owner CHINA PETROLEUM & CHEM CORP
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