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Fire experimental device used for gas uniform combustion

A technology of uniform combustion and experimental equipment, applied in the direction of educational appliances, instruments, teaching models, etc., can solve the problems of unstable flame and uneven distribution of flame intensity, achieve uniform distribution of flame intensity, ensure feasibility, and good combustion effect Effect

Inactive Publication Date: 2014-09-10
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1) When burning gas with large flow and large size, the flame is unstable
[0004] 2) Uneven distribution of flame intensity

Method used

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  • Fire experimental device used for gas uniform combustion
  • Fire experimental device used for gas uniform combustion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A fire experiment device for uniform combustion of gas, its structure schematic diagram is as follows figure 1 As shown, the device includes a combustion gas inlet pipe 100, a gas flow control device 101, a porous gas outlet device 102, a quartz glass bead uniform mixing device 103, a porous honeycomb ceramic plate uniform combustion device 104, a high-voltage electric spark ignition device 105, and a cuboid Shaped stainless steel combustion body 106.

[0024] The gas flow control device 101 adopts a mass flow controller, and the top of the porous gas outlet device 102 adopts uniform air outlet holes with a size of about 1 mm. The glass beads used in the quartz glass bead uniform mixing device 103 have a particle size of about 2 mm. The aperture of the uniform combustion device 104 is about 2mm, and the ignition voltage of the high-voltage electric spark ignition device 105 is 10KV.

[0025] During the gas combustion experiment, the gas passes through the combustion ga...

Embodiment 2

[0029] A fire experiment device for uniform combustion of gas, its structure schematic diagram is as follows figure 1 As shown, the device adopts a combustion gas inlet pipe 100 with a size of 8 mm, a gas flow control device 101 of a mass flow control type, a porous gas outlet device 102 with an outlet hole size of 1 ± 0.5 mm, and a quartz glass bead uniform mixing device 103 with a particle size of 2 mm. ±0.5mm, the uniform combustion device 104 with a porous honeycomb ceramic plate has a hole diameter of 2±0.5mm, the lower end of the cuboid-shaped stainless steel combustion body 106 has a size of 150mm×150mm, and a height of 350mm.

Embodiment 3

[0031] A fire experiment device for uniform combustion of gas. During the gas combustion experiment, different types of gas pass through the combustion gas inlet pipe 100, and the gas flow control device 101 is adjusted to meet the experimental requirements of different flow rates. The gas passes through the porous gas outlet device. 102 enters the quartz glass bead uniform mixing device 103, which can be mixed and burned on the top of the porous honeycomb ceramic plate uniform combustion device 104. Through the above process, the gas flows out from the porous (small air outlet) and mixed with the glass beads, and the flame combustion can be more stable. Special effects with more uniform intensity distribution.

[0032] The experimental device can be used to study different types of gas combustion, heating and other gas combustion experiments, gas mixed combustion experiments and other gas combustion experiments. Provide conditions and support for related gas combustion and re...

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Abstract

The invention provides a fire experimental device used for gas uniform combustion. The fire experimental device comprises an air intake pipe, a flow control device, an air exhaust device, a uniform mixing device, a uniform combustion device and an ignition device, wherein the air intake pipe, the uniform mixing device and the uniform combustion device are placed in a cubic control combustion body sequentially from downside to upside; the air exhaust device is made of a stainless steel material. Compared with the conventional combustion control device, the fire experimental device used for gas uniform combustion has the following advantages that: the fire experimental device ensures feasibility of a gas combustion experiment, and is simple in structure, low in cost, easy to process and manufacture, convenient to install and operate, low in operating cost, steady in gas combustion flame, uniform in flame intensity distribution, good in combustion effect and the like.

Description

technical field [0001] The invention belongs to the technical field of gas combustion and fire experiments. Specifically, the invention relates to a fire experiment device for uniform combustion of gas. Background technique [0002] With the development of my country's economy, people's living standards have been greatly improved and improved, and there are more and more fire accidents that follow. Therefore, more and more attention has been paid to carrying out relevant fire experimental research, and the corresponding combustion control device plays a decisive role in carrying out experimental research. Because gas combustion is widely used, related experiments are one of the important research fields. Yet existing gas combustion control device has following defect and deficiency at present: [0003] 1) When burning gas with a large flow rate and a large size, the flame is unstable. [0004] 2) Flame intensity distribution is uneven. [0005] In view of the above situa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B25/00
Inventor 汪箭丁超周德闯李海航刘永梅
Owner UNIV OF SCI & TECH OF CHINA