Cutting gas capable of increasing combustion heat efficiency of methane gas and preparation method of cutting gas

A technology of methane gas and thermal efficiency, applied in the direction of gas fuel, fuel, fuel additives, etc., can solve the problems of unfavorable industrial application, increased use cost, low calorific value, etc., and achieve remarkable energy saving efficiency, safe and reliable use, flame temperature high effect

Active Publication Date: 2014-04-23
郑超
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Methane mainly exists in natural gas, coal bed methane and biogas. The calorific value of methane gas is lower than that of propane gas and acetylene gas, and its ignition point is higher. The flame temperature in oxygen is only about 2600 ℃. And acetylene gas efficiency is low, resulting in increased use costs
Not conducive to industrial application

Method used

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  • Cutting gas capable of increasing combustion heat efficiency of methane gas and preparation method of cutting gas
  • Cutting gas capable of increasing combustion heat efficiency of methane gas and preparation method of cutting gas
  • Cutting gas capable of increasing combustion heat efficiency of methane gas and preparation method of cutting gas

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Embodiment 1

[0031] This embodiment relates to a method for preparing cutting gas capable of improving the thermal efficiency of methane gas combustion, the method comprising the following steps:

[0032] Step 1, preparation of catalytic warming agent:

[0033] (1) Dissolve 0.5g of potassium ferricyanide in 10g of acetone, stir evenly for 5 minutes, seal and place for 2 hours to dissolve, and obtain potassium ferricyanide in acetone;

[0034] (2) Dissolve 1.5g of nicotine nitrile in 18g of petroleum ether, stir evenly for 5 minutes, seal and place for 2 hours to fully dissolve, and obtain nicotine nitrile petroleum ether solution;

[0035] (3) Dissolve 10g of allyl alcohol in 22g of absolute ethanol, seal and place for 2 hours to fully dissolve, and obtain the allyl alcohol absolute ethanol solution;

[0036] (4) Mix potassium ferricyanide acetone solution, nicotine nitrile petroleum ether solution, allyl alcohol anhydrous ethanol solution with the 30g190# solvent gasoline, 5g raw tung oi...

Embodiment 2

[0039] This embodiment relates to a method for preparing cutting gas capable of improving the thermal efficiency of methane gas combustion, the method comprising the following steps:

[0040] Step 1, preparation of catalytic warming agent:

[0041] (1) Dissolve 1.5g of potassium ferricyanide in 15g of acetone, stir evenly for 5 minutes, seal and place for 2 hours to dissolve, and obtain potassium ferricyanide in acetone;

[0042] (2) Dissolve 1g of nicotine nitrile in 10g of petroleum ether, stir evenly for 5 minutes, seal and place for 2 hours to fully dissolve, and obtain nicotine nitrile petroleum ether solution;

[0043] (3) Dissolve 15g of allyl alcohol in 20g of absolute ethanol, seal and place for 2 hours to fully dissolve, and obtain allyl alcohol absolute ethanol solution;

[0044] (4) Mix potassium ferricyanide acetone solution, nicotine nitrile petroleum ether solution, allyl alcohol anhydrous ethanol solution with the 10g190# solvent gasoline, 10g raw tung oil, 5g...

Embodiment 3

[0047] This embodiment relates to a method for preparing cutting gas capable of improving the thermal efficiency of methane gas combustion, the method comprising the following steps:

[0048] Step 1, preparation of catalytic warming agent:

[0049] (1) Dissolve 1g of potassium ferricyanide in 12g of acetone, stir evenly for 5 minutes, seal and place for 2 hours to dissolve, and obtain potassium ferricyanide in acetone;

[0050] (2) Dissolve 3g of nicotine nitrile in 25g of petroleum ether, stir evenly for 5 minutes, seal and place for 2 hours to fully dissolve, and obtain nicotine nitrile petroleum ether solution;

[0051] (3) Dissolve 13g of allyl alcohol in 30g of absolute ethanol, seal it and place it for 2 hours to fully dissolve, and obtain the allyl alcohol absolute ethanol solution;

[0052] (4) Mix potassium ferricyanide acetone solution, nicotine nitrile petroleum ether solution, allyl alcohol anhydrous ethanol solution with 20g of 190# solvent gasoline, 8g of tung o...

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Abstract

The invention provides a cutting gas capable of increasing combustion heat efficiency of a methane gas and a preparation method of the cutting gas. The cutting gas comprises a catalysis warming agent and the methane gas, wherein the catalysis warming agent comprises the following components in parts by weight: 10-30 parts of 190# solvent gasoline, 10-25 parts of petroleum ether, 20-30 parts of absolute ethyl alcohol, 10-15 parts of allyl alcohol, 10-15 parts of acetone, 10-15 parts of propargyl alcohol, 5-10 parts of raw tung oil, 3-5 parts of simethicone, 0.5-1.5 parts of potassium ferricyanide and 1-3 parts of nicotine nitrile. The invention further relates to the preparation method of the cutting gas. The cutting gas capable of increasing the combustion heat efficiency of the methane gas has the advantages of remarkable energy saving efficiency, high combustion speed, high flame temperature, high cutting level and the like. The cutting gas capable of increasing the combustion heat efficiency of the methane gas, provided by the invention is capable of saving the fuel by above 20 percent and oxygen by above 25 percent when applied to a flame welding and cutting process.

Description

technical field [0001] The invention relates to a high-energy methane gas cutting gas, in particular to a cutting gas capable of improving the combustion thermal efficiency of methane gas and a preparation method thereof. Background technique [0002] Methane mainly exists in natural gas, coal bed methane and biogas. The calorific value of methane gas is lower than that of propane gas and acetylene gas, and its ignition point is higher. The flame temperature in oxygen is only about 2600 ℃. And the efficiency of acetylene gas is low, resulting in an increase in the cost of use. Not conducive to industrial applications. Methane gas burns slowly in oxygen, consumes a lot of energy for thermal decomposition, and has low unit calorific value. Under the same conditions, methane gas is used for metal flame welding and cutting. The gas and oxygen consumed by methane gas are higher than those of propane gas and acetylene gas. The burning speed of methane gas in oxygen is 450 (cm / s)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/00C10L10/00
Inventor 郑超
Owner 郑超
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