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A production process of acetylene-free industrial cutting gas

A production process and industrial technology, applied in the field of acetylene-free industrial cutting gas production process and production equipment, can solve the problems of unfavorable industrial use, low combustion temperature, slow combustion speed, etc., to achieve accelerated combustion speed, high flame temperature, and The effect of short heat time

Active Publication Date: 2019-11-01
巨烃新能源技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, when pentane is used for industrial cutting or welding, it has disadvantages such as low combustion temperature, slow combustion speed, and low calorific value, which is not conducive to industrial use.

Method used

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  • A production process of acetylene-free industrial cutting gas
  • A production process of acetylene-free industrial cutting gas
  • A production process of acetylene-free industrial cutting gas

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Experimental program
Comparison scheme
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Embodiment approach

[0087] As an embodiment of the present invention, the liquid fuel comprises by weight:

[0088]

[0089]

[0090] Light hydrocarbon fuels:

[0091] "Hydrocarbon" is a series of substances formed by mixing two elements, carbon and hydrogen, in different proportions. The lighter part is called light hydrocarbons.

[0092] In the present invention, the light hydrocarbon fuel comprises by weight:

[0093] 90 parts by weight of pentane;

[0094] 5 parts by weight of a mixture of methane, ethane and propane.

[0095] Pentane: chemical formula C 5 H 12 , n-pentane has 2 isomers: isopentane and neopentane.

[0096] Isopentane, also known as 2-methylbutane; Neopentane, also known as 2,2-dimethylpropane, penpentane.

[0097] As an embodiment of the present invention, the pentane in the present invention is a mixture of n-pentane, isopentane and neopentane in a weight ratio of 10:1:0.5.

[0098] Mixture of methane, ethane and propane: the methane, ethane and propane can b...

Embodiment approach 1

[0128] Embodiment 1: a kind of production process of acetylene-free industrial cutting gas, its step comprises:

[0129] (1) Pre-treatment of compressed air: After the compressed air is filtered, dried, and depressurized, it enters the storage tank through the compressed air inlet, and liquid fuel is stored in the storage tank;

[0130] (2) Preliminary gasification of liquid fuel: the compressed air entering the storage tank generates a large number of bubbles through the bubbling gasification device, which promotes the preliminary gasification of the liquid fuel, and at the same time heats the liquid fuel to generate preliminary gas;

[0131] (3) Secondary gasification of liquid fuel: the preliminary gas enters the gas collection tank through the gas outlet connecting pipe, and is heated for secondary gasification to obtain industrial cutting gas;

[0132] The liquid fuel includes light hydrocarbon fuel, combustion improver, dispersant, solubilizer, catalyst and solvent.

Embodiment approach 2

[0133] Embodiment 2: The production process of acetylene-free industrial cutting gas as described in Embodiment 1, the storage tank is provided with a heating system.

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Abstract

The invention provides a production technique of acetylene-free industrial cutting gas. The technique comprises the following steps: (1) pretreatment of compressed air: compressed air is dried, and enters a storage tank via a compressed air inlet, wherein a liquid fuel is stored in the storage tank; (2) primary gasification of liquid fuel: the compressed air entering the storage tank is treated by a gasifier to generate abundant bubbles so as to promote the primary gasification of the liquid fuel, and meanwhile, the liquid fuel is heated to generate primary combustible gas; and (3) secondary gasification of liquid fuel: the primary combustible gas enters a gas collection tank via a gas outlet connecting pipe, and is heated to implement secondary gasification, thereby preparing the industrial cutting gas. The liquid fuel comprises a light hydrocarbon fuel, a combustion improver, a dispersing agent, a solubilizer, a catalyst and a solvent.

Description

technical field [0001] The invention relates to the technical field of industrial cutting gas, in particular to an acetylene-free industrial cutting gas production process and production equipment. [0002] technical background [0003] Industrial cutting gas generally refers to the gas resources that use the flame combustion characteristics of the gas to chemically react with the structural characteristics of metals or non-metals in the process of industrial production, so that the workpieces being operated are divided or merged, so as to achieve industrial application effects. [0004] At present, the common industrial cutting gases mainly include: dissolved acetylene, propane, liquefied petroleum gas and mixed fuel gas, among which dissolved acetylene is the most used, accounting for about 50%. [0005] Dissolved acetylene as an industrial cutting gas has many disadvantages, such as: black smoke and soot when ignited, polluting the working environment, and harmful to human...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L3/00
CPCC10L3/00C10L3/003C10L2290/04
Inventor 黎兴志吴家强
Owner 巨烃新能源技术有限公司