CN112266803B - Natural gas welding and cutting rare earth nano polymerization additive - Google Patents
Natural gas welding and cutting rare earth nano polymerization additive Download PDFInfo
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- CN112266803B CN112266803B CN202011210154.5A CN202011210154A CN112266803B CN 112266803 B CN112266803 B CN 112266803B CN 202011210154 A CN202011210154 A CN 202011210154A CN 112266803 B CN112266803 B CN 112266803B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
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Abstract
The invention discloses a natural gas welding and cutting rare earth nano polymerization additive. The additive provided by the invention adopts raw material components comprising an organic reagent solution and a rare earth solution, wherein the organic reagent solution comprises n-butyl alcohol, isopropanol, petroleum ether, xylene, cyclopentanol, n-octanol, tert-butanol, methyl ethyl ketone and methyl tert-butyl ether, and the rare earth solution comprises ferrocene, nickel acetate, cerium oxide and an ethanol solvent. The additive is added into natural gas welding and cutting gas, can be used for welding and cutting steel billets, and has the effects of high preheating speed, high welding and cutting speed, smooth cut, effective fuel and oxygen saving, cost saving, cleanness and environmental protection.
Description
Technical Field
The invention relates to a natural gas welding and cutting rare earth nano polymeric additive, belonging to the technical field of metal welding and cutting.
Background
The billet is a product obtained by casting molten steel smelted by a steel smelting furnace, can be used as a mechanical part, a forging and various steels after being processed, is a semi-finished product for producing the steels and generally cannot be directly used by the society. Therefore, the billet needs to be subjected to welding and cutting according to a given size after being formed, and the quality of welding and cutting directly determines the quality of a final finished product.
The traditional billet welding and cutting method is flame welding and cutting, also called gas welding and cutting, commonly used welding and cutting gases comprise propane, acetylene liquefied gas, coke oven gas, natural gas and the like, however, the welding and cutting gas for welding and cutting No. 70 billets comprises propane and acetylene, the notch of the welding and cutting gas is uneven, the welding and cutting effect is not ideal, the pollution is large, the cost is high, the natural gas welding and cutting has low energy consumption but low flame temperature, and the welding and cutting efficiency is not as good as that of acetylene.
Disclosure of Invention
Based on the above, the invention aims to provide the rare earth nano polymerization additive for natural gas welding and cutting, wherein the natural gas added with the rare earth nano polymerization agent has the advantages of quick preheating, quick welding and cutting, smooth cut, effective fuel and oxygen saving, cost saving, cleanness and environmental protection.
The natural gas welding and cutting rare earth nano polymerization additive comprises an organic reagent solution and a rare earth solution, wherein the organic reagent solution comprises: n-butanol, isopropanol, petroleum ether, xylene, cyclopentanol, n-octanol, tert-butanol, methyl ethyl ketone, methyl tert-butyl ether;
the rare earth solution comprises ferrocene, nickel acetate, cerium oxide and an ethanol solvent.
Preferably, the mass ratio of the organic reagent solution to the rare earth solution is 25: 3-5.
Preferably, the organic reagent is prepared by mixing the following raw materials in parts by weight:
20-30 parts of n-butyl alcohol, 15-25 parts of isopropanol, 10-20 parts of petroleum ether, 5-15 parts of xylene, 5-15 parts of cyclopentanol, 3-7 parts of n-octanol, 6-10 parts of tert-butyl alcohol, 3-5 parts of methyl ethyl ketone and 1-5 parts of methyl tert-butyl ether.
Preferably, in the rare earth solution, ferrocene, nickel acetate and cerium oxide are mixed according to a mass ratio of 97: 1.8: 1.2.
preferably, the rare earth solution is prepared by mixing ferrocene, nickel acetate and cerium oxide in proportion and dissolving in an ethanol solvent to prepare the rare earth solution with the mass concentration of 1-8%.
The preparation method of the natural gas welding and cutting rare earth nano polymerization additive comprises the steps of mixing the organic reagent solution and the rare earth solution in proportion, carrying out ultrasonic mutual dissolution, and standing for 24 hours to obtain the natural gas welding and cutting rare earth nano polymerization additive.
The invention also aims to provide the application of the natural gas welding and cutting rare earth nano polymerization additive, wherein the natural gas welding and cutting rare earth nano polymerization additive is added into natural gas welding and cutting gas, the addition amount of the natural gas welding and cutting rare earth nano polymerization additive accounts for 1-5% of the weight of natural gas, and the natural gas welding and cutting rare earth nano polymerization additive is used for welding and cutting billets.
The natural gas welding and cutting rare earth nano polymerization additive has the advantages that: after the rare earth nano polymerization agent is added into natural gas, the preheating is fast, the welding and cutting speed is fast, the cut is smooth, fuel and oxygen are effectively saved, the cost is saved, the natural gas is clean and environment-friendly, the environmental pollution and the harm to a human body can be reduced, a large amount of calcium carbide generated by acetylene production is difficult to treat, and the pollution is great.
Drawings
FIG. 1 is a diagram illustrating the effect of welding and cutting No. 70 steel billets by using natural gas welding and cutting gas produced in example 1 of the present invention;
FIG. 2 is a diagram showing the effect of welding and cutting No. 70 billets by using natural gas welding and cutting gas produced by comparative example 1 of the present invention;
FIG. 3 is a diagram showing the effect of welding and cutting No. 70 billets by using natural gas welding and cutting gas produced by comparative example 2 of the present invention;
FIG. 4 is a diagram showing the effect of gas welding and cutting No. 70 steel billets using natural gas welding and cutting according to comparative example 3 of the present invention;
FIG. 5 is a diagram showing the effect of welding and cutting No. 70 billets by using the natural gas welding and cutting gas produced by comparative example 4 of the present invention.
Detailed Description
The present invention is further illustrated by the following examples and comparative examples, in which the starting materials are all commercially available.
Example 1
A preparation method and application of a natural gas welding and cutting rare earth nano polymerization additive comprise the following steps:
preparing an organic reagent solution according to the following weight part ratio:
25 parts of n-butyl alcohol, 20 parts of isopropanol, 15 parts of petroleum ether, 10 parts of xylene, 10 parts of cyclopentanol, 5 parts of n-octanol, 8 parts of tert-butyl alcohol, 4 parts of methyl ethyl ketone and 3 parts of methyl tert-butyl ether, and performing ultrasonic dissolution for later use.
Ferrocene, nickel acetate and cerium oxide according to the mass ratio of 97: 1.8: 1.2 dissolving in ethanol to prepare a rare earth solution with the concentration of 5 percent.
Adding the rare earth solution into the organic reagent solution in a proportion of 15%, performing ultrasonic mutual dissolution, and standing for 24 hours to form the natural gas welding and cutting rare earth nano polymerization additive.
The natural gas welding and cutting rare earth nano polymerization additive is applied to natural gas welding and cutting gas in an addition amount of 2.5 percent and is used for welding and cutting No. 70 steel billets, and the welding and cutting effect is shown in figure 3.
Example 2
A preparation method and application of a natural gas welding and cutting rare earth nano polymerization additive comprise the following steps:
preparing an organic reagent solution according to the following weight part ratio:
25 parts of n-butyl alcohol, 20 parts of isopropanol, 15 parts of petroleum ether, 10 parts of xylene, 10 parts of cyclopentanol, 5 parts of n-octanol, 8 parts of tert-butyl alcohol, 4 parts of methyl ethyl ketone and 3 parts of methyl tert-butyl ether, and performing ultrasonic dissolution for later use.
Ferrocene, nickel acetate and cerium oxide according to the mass ratio of 90: 5: 5 is dissolved in ethanol to prepare a rare earth solution with the concentration of 5 percent.
Adding the rare earth solution into the organic reagent solution in a proportion of 15%, performing ultrasonic mutual dissolution, and standing for 24 hours to form the natural gas welding and cutting rare earth nano polymerization additive.
The natural gas welding and cutting rare earth nano polymerization additive is applied to natural gas welding and cutting gas in an addition amount of 1.2 percent and is used for welding and cutting No. 70 steel billets.
Example 3
A preparation method and application of a natural gas welding and cutting rare earth nano polymerization additive comprise the following steps:
preparing an organic reagent solution according to the following weight part ratio:
25 parts of n-butanol, 20 parts of isopropanol, 15 parts of petroleum ether, 5 parts of xylene, 15 parts of cyclopentanol, 7 parts of n-octanol, 6 parts of tert-butanol, 5 parts of methyl ethyl ketone and 3 parts of methyl tert-butyl ether, and performing ultrasonic dissolution for later use.
Ferrocene, nickel acetate and cerium oxide according to the mass ratio of 95: 2: 3 dissolving in ethanol to prepare a rare earth solution with the concentration of 5 percent.
Adding the rare earth solution into the organic reagent solution in a proportion of 15%, performing ultrasonic mutual dissolution, and standing for 24 hours to form the natural gas welding and cutting rare earth nano polymerization additive.
The natural gas welding and cutting rare earth nano polymerization additive is applied to natural gas welding and cutting gas in an addition amount of 2.5 percent and is used for welding and cutting No. 70 steel billets.
Comparative example 1
A preparation method and application of a natural gas welding and cutting rare earth nano polymerization additive comprise the following steps:
preparing an organic reagent solution according to the following weight part ratio:
25 parts of n-butanol, 20 parts of isopropanol, 15 parts of petroleum ether, 10 parts of xylene, 10 parts of cyclopentanol, 5 parts of n-octanol, 8 parts of trimethyl methanol, 4 parts of methyl ethyl ketone and 3 parts of methyl tert-butyl ether, and performing ultrasonic dissolution for later use.
The organic reagent solution is applied to natural gas welding and cutting gas with the addition of 2.5 percent for welding and cutting No. 70 steel billets, and the welding and cutting effect is shown in figure 1.
Comparative example 2
A preparation method and application of a natural gas welding and cutting rare earth nano polymerization additive comprise the following steps:
preparing an organic reagent solution according to the following weight part ratio:
25 parts of n-butyl alcohol, 20 parts of isopropanol, 15 parts of petroleum ether, 10 parts of xylene, 10 parts of cyclopentanol, 5 parts of n-octanol, 8 parts of tert-butyl alcohol, 4 parts of methyl ethyl ketone and 3 parts of methyl tert-butyl ether, and performing ultrasonic dissolution for later use.
Ferrocene, nickel acetate and cerium oxide according to the mass ratio of 97: 1.8: 1.2 dissolving in ethanol to prepare a rare earth solution with the concentration of 5 percent.
The rare earth solution is added into the organic reagent solution in a proportion of 15 percent, the mixture is subjected to ultrasonic mutual dissolution and then stands for 24 hours to form the natural gas welding and cutting rare earth nano polymeric additive, the natural gas welding and cutting gas is applied to natural gas welding and cutting gas by adopting a saturated adsorption method, and No. 70 steel billets are welded and cut, and the welding and cutting effect is shown in figure 2.
Comparative example 3
No. 70 steel billets were welded and cut by acetylene gas, and the welding and cutting effects are as shown in FIG. 4.
Comparative example 4
The welding and cutting effect of the No. 70 billet is shown in figure 5 by adopting propane gas welding and cutting.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements can be made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention, and the technical solution of the present invention is defined by the claims.
Claims (5)
1. A natural gas welding and cutting rare earth nano-polymeric additive is characterized by comprising an organic reagent solution and a rare earth solution, wherein the organic reagent solution comprises: n-butanol, isopropanol, petroleum ether, xylene, cyclopentanol, n-octanol, tert-butanol, methyl ethyl ketone, methyl tert-butyl ether;
the rare earth solution comprises ferrocene, nickel acetate, cerium oxide and an ethanol solvent;
the mass ratio of the organic reagent solution to the rare earth solution is 25: 3-5;
the preparation method of the natural gas welding and cutting rare earth nano polymerization additive comprises the steps of mixing the organic reagent solution and the rare earth solution in proportion, carrying out ultrasonic mutual dissolution, and standing for 24 hours to obtain the natural gas welding and cutting rare earth nano polymerization additive.
2. The natural gas welding and cutting rare earth nano polymerization additive as claimed in claim 1, wherein the organic reagent is prepared by mixing the following raw materials in parts by weight:
20-30 parts of n-butyl alcohol, 15-25 parts of isopropanol, 10-20 parts of petroleum ether, 5-15 parts of xylene, 5-15 parts of cyclopentanol, 3-7 parts of n-octanol, 6-10 parts of tert-butyl alcohol, 3-5 parts of methyl ethyl ketone and 1-5 parts of methyl tert-butyl ether.
3. The natural gas welding and cutting rare earth nano polymerization additive as claimed in claim 1, wherein the mass ratio of ferrocene, nickel acetate and cerium oxide in the rare earth solution is 97: 1.8: 1.2.
4. The natural gas welding and cutting rare earth nano polymerization additive according to claim 3, wherein the rare earth solution is prepared by mixing ferrocene, nickel acetate and cerium oxide in proportion and dissolving the mixture in an ethanol solvent, wherein the mass concentration of the rare earth solution is 1-8%.
5. The use of the natural gas welding and cutting rare earth nano polymeric additive according to any one of claims 1 to 4, wherein the natural gas welding and cutting rare earth nano polymeric additive is added to natural gas welding and cutting gas in an amount of 1 to 5% by weight of natural gas and is used for welding and cutting billets.
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| FR2751662B1 (en) * | 1996-07-29 | 1998-10-23 | Total Raffinage Distribution | MIXED ORGANOMETALLIC COMPOSITION COMPRISING AT LEAST THREE METALS AND THEIR APPLICATIONS AS ADDITIVES FOR FUELS OR FUELS |
| US20030226312A1 (en) * | 2002-06-07 | 2003-12-11 | Roos Joseph W. | Aqueous additives in hydrocarbonaceous fuel combustion systems |
| CN101041786A (en) * | 2006-03-20 | 2007-09-26 | 高瑞新 | Preparation method of industrial combustion gas rare earth addition agent |
| CN101475864B (en) * | 2009-01-19 | 2012-12-19 | 赵楠 | Non-sodium chloride environment-friendly type coal-saving combustion adjuvant special for cement |
| CN102604699A (en) * | 2011-01-19 | 2012-07-25 | 赵志鑫 | Synergistic additive of natural-gas as welding and cutting gas |
| CN102585936B (en) * | 2012-02-17 | 2013-11-27 | 栗伟鹤 | Energy-containing combustion-supporting catalyst and application thereof |
| CN102977955A (en) * | 2012-11-27 | 2013-03-20 | 李飞 | Combustion-supporting additive for improving flame temperature of natural gas |
| CN103160348B (en) * | 2013-03-18 | 2016-04-13 | 四川润德燃气有限责任公司 | A kind of light paraffins fuel gas rare earth catalyst synergist and preparation method thereof and application |
| CN103320191B (en) * | 2013-06-25 | 2014-11-26 | 苍溪县大通天然气投资有限公司 | Natural gas gaining agent and preparation method thereof |
| CN104099145A (en) * | 2014-07-28 | 2014-10-15 | 周晓兰 | Nano welding and cutting gas |
| BR102015017298A2 (en) * | 2015-07-20 | 2017-07-11 | Air Liquide Brasil Ltda | COMPOSITION OF BIPHASIC MIXTURE OF LIQUEFIED GASES AND PERMANENT GASES AND USE OF THE SAME |
| CN107513454B (en) * | 2017-09-04 | 2018-10-02 | 巨烃新能源技术有限公司 | The gas synergist of long-acting stabilization |
| US11525098B2 (en) * | 2019-04-10 | 2022-12-13 | Hindustan Petroleum Corporation Limited | Fuel additive composition, fuel composition, and process for preparation thereof |
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