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Synergistic mixed light hydrocarbon industry gas

An industrial gas and light hydrocarbon technology, applied in the petroleum industry, fuel, gas fuel, etc., can solve the problems of substandard welding performance of ferrous metals, long preheating time for metal cutting, and insufficient mechanical strength, so as to save gas and pre-cut Short heating time and effect of reducing pollution

Inactive Publication Date: 2005-03-23
北京划时代超能科技有限责任公司
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  • Summary
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AI Technical Summary

Problems solved by technology

Recently, some domestic units have tried to produce alkanes and olefins welding and cutting gas with water-soluble additives, but the performance is not good: first, the metal cutting preheating time is long; second, the welding performance of ferrous metals is not up to standard, the mechanical strength is not enough, oxidation serious, unacceptable to users

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1 (for winter use)

[0016] The multifunctional synergist formula (percentage by weight) is: 120# solvent naphtha 40%, ethanol 20%, methyl tert-butyl ether 18%, tung oil 12%, tert-butyl ferrocene 4%, sodium naphthenate 4.5% , copper naphthenate 1%, potassium hydroxide 0.5%.

Embodiment 2

[0017] Example 2 (for summer)

[0018] The multifunctional synergist formula (percentage by weight) is: 120# mineral spirits 50%, ethanol 15%, methyl tert-butyl ether 15%, tung oil 10%, tert-butyl ferrocene 2.5%, sodium naphthenate 3% , copper naphthenate 3.5%, potassium hydroxide 1%.

[0019] The test of the above formula in Zhongyuan Natural Gas Applied Technology Research Institute proves that: the temperature of the welding and cutting flame reaches 3410 ℃, which can melt the tungsten electrode; Normalizing speed is 25% faster than acetylene.

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PUM

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Abstract

The invention is a synergistic mixed light hydrocarbon industrial fuel gas, mixed of multifunctional synergistic agent and paraffin and olefin hydrocarbons in weight ratio of 1-3 %0, where the paraffin and olefin hydrocarbons are mixed of light and heavy hydrocarbon gases in the ratio of 1 to (0-0.2) and the multifunctional synergistic agent is prepared of 120# solvent oil, alcohol, methyl-tert-butyl ether, tung oil, tert-butyl ferrocene, sodium naphthenate, copper naphthenate, and potassium hydroxide in a certain proportion. It has low energy consumption, low pollution, low cost, safety, and flame temperature higher than that of acetylene flame, and is suitable to operate in the highly cold regions and ships, saving the fuel gas by above 30%.

Description

technical field [0001] The invention relates to the technical field of industrial gas, in particular to a synergistically mixed light hydrocarbon industrial gas. Background technique [0002] For many years, people have generally used acetylene gas for welding and cutting. Up to now, at least 85% of users in China are still using acetylene, but acetylene consumes a lot of energy, pollutes, is unsafe, and is expensive. It takes 3600 yuan to produce a ton of calcium carbide. degree and 1 ton of coke, and produce 3.3 tons of pollution, while emitting harmful gases such as sulfide and phosphide. The cost of a bottle of 5 kg of acetylene is 55 yuan, which is very expensive. Moreover, when the ambient temperature of the current liquefied petroleum gas industrial gas is lower than - (15-20) ℃ and the gas consumption is large, the evaporation capacity is in short supply, and it is heavier than air. When used on a ship, the gas leaks and easily sinks into the ship cabin. The bottom...

Claims

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Application Information

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IPC IPC(8): C10L3/00
Inventor 李跃红
Owner 北京划时代超能科技有限责任公司
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