Combustion promoter for welding-cutting gas and welding-cutting liquid containing the same

A combustion aid, welding and cutting technology, applied in the direction of fuel additives, fuel, gas fuel, etc., can solve the problems of high toxicity, endangering the health of users, corrosion of steel cylinders, etc., achieve short warm-up time, save fuel costs, and improve combustion The effect of temperature

Inactive Publication Date: 2013-05-01
RUODING SHENGLONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, additives such as toluene and xylene are highly toxic and will endanger the health of users, and the use of strong oxidants such as hydrogen peroxide will also cause serious corrosion to steel cylinders

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: Preparation of combustion accelerant for welding and cutting gas according to the present invention

[0028] Weigh each component according to the following weight percentages:

[0029] Perchloric acid 20%; Potassium dichromate 20%;

[0030] Petroleum ether 20%; Methanol 40%.

[0031] The perchloric acid, potassium dichromate and petroleum ether obtained by weighing are dissolved in methanol and mixed uniformly to obtain the combustion accelerant for welding and cutting gas of the present invention.

Embodiment 2

[0032] Embodiment 2: Preparation of combustion accelerant for welding and cutting gas according to the present invention

[0033] Weigh each component according to the following weight percentages:

[0034] Perchloric acid 15%; Potassium dichromate 15%;

[0035] Petroleum ether 15%; Methanol 55%.

[0036] The perchloric acid, potassium dichromate and petroleum ether obtained by weighing are dissolved in methanol and mixed uniformly to obtain the combustion accelerant for welding and cutting gas of the present invention.

Embodiment 3

[0037] Embodiment 3: Preparation of combustion accelerant for welding and cutting gas according to the present invention

[0038] Weigh each component according to the following weight percentages:

[0039] Perchloric acid 25%; Potassium dichromate 15%;

[0040] Petroleum ether 25%; Methanol 35%.

[0041] The perchloric acid, potassium dichromate and petroleum ether obtained by weighing are dissolved in methanol and mixed uniformly to obtain the combustion accelerant for welding and cutting gas of the present invention.

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PUM

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Abstract

The invention discloses a combustion promoter for welding-cutting gas and a welding-cutting liquid containing the same. The combustion promoter for welding-cutting gas comprises the following components by weight percent: 10%-30% of perchloric acid, 10%-30% of potassium dichromate, 10%-30% of petroleum ether and 20%-60% of methyl alcohol. The welding-cutting liquid comprises the following components by weight percent: 98%-99.3% of liquefied petroleum gas and 0.7%-2% of combustion promoter for welding-cutting gas. The welding-cutting liquid can be used for perforating, cutting, welding and thelike of metal products, and has the advantages of high efficiency, environment protection, safety, energy conservation and the like, the technical safety factor is 8 times that of acetylene, the harmful gas is not beyond the regulation of national standard TJ36-79, therefore, the welding-cutting liquid is an ideal product for replacing the acetylene.

Description

technical field [0001] The invention relates to a combustion enhancer for welding and cutting gas and a welding and cutting fluid containing the combustion enhancer, belonging to the technical field of chemical industry. Background technique [0002] Traditional welding and cutting usually use oxygen and acetylene as fuel, and oxyacetylene torch is used to cut and weld metal, and the cutting temperature is about 3000°C. This oxy-acetylene welding and cutting technology has a long history, but it also has many shortcomings. First, the main raw material for the production of acetylene is calcium carbide, which is made of calcium oxide and coke through high-temperature smelting, and then reacts with water to produce acetylene. The entire production process of acetylene is long, energy-consuming, and costly. A large amount of harmful gas and waste water will be discharged, causing serious pollution. In the process of reaction between calcium carbide and water, once the pressure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L3/12C10L10/00B23K5/00B23K7/00
Inventor 吴国任鲍建平
Owner RUODING SHENGLONG TECH
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