CN103320191B - Natural gas gaining agent and preparation method thereof - Google Patents
Natural gas gaining agent and preparation method thereof Download PDFInfo
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- CN103320191B CN103320191B CN201310258287.3A CN201310258287A CN103320191B CN 103320191 B CN103320191 B CN 103320191B CN 201310258287 A CN201310258287 A CN 201310258287A CN 103320191 B CN103320191 B CN 103320191B
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- natural gas
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Abstract
The invention discloses a preparation method of a natural gas gaining agent, and the preparation method comprises the following step of: sufficiently mixing the following raw materials: a rare earth compound, a solvent and a transition metallocene compound, wherein the solvent is a mixture which comprises methanol, methylbenzene, methyl tert-butyl ether, cyclohexane, nonane, decane and water. The preparation method of the natural gas gaining agent, which is disclosed by the invention, is easy to operate; the natural gas gaining agent prepared through the method disclosed by the invention can fast increase the combustion temperature of a natural gas from being lower than 2000 DEG C to 3500 DEG C and enable the natural gas to be completely combusted in such a way that the natural gas used for welding is combusted after passing through the gaining agent, thereby effectively reducing the content of carbon monoxide and the like which are contained in smoke dust and a tail gas, reducing the environment pollution and reducing the welding and cutting costs. The invention also provides the natural gas gaining agent obtained according to the preparation method.
Description
Technical field
The present invention relates to environment-friendly and energy-efficient fuel gain agent, relate in particular to and a kind ofly can improve accelerant of the temperature of combustion of Sweet natural gas and preparation method thereof for welding, cutting.
Background technology
In mechanical thermal cutting technique, generally use acetylene as working gas.But acetylene is a kind of highly energy-consuming product, and serious waste resource, contaminate environment, the H that during use, burning produces
2the obnoxious flavour such as S, CO damages HUMAN HEALTH especially.For this reason, countries in the world all substitute acetylene gas being devoted to find new cutting combustion gas.In recent years, it is found that, the Sweet natural gas that is main ingredient in order to methane has obvious advantage as welding, cutting gas at aspects such as energy utilization, environmental protection.Yet, 2000 ℃ of the Theory of Combustion temperature deficiencies of Sweet natural gas, deficiency during for welding, cutting is so that steel plate fusing.
Therefore, be desirable to provide a kind of accelerant that can improve combustion of natural gas temperature, can be applied to welding, cutting technique.
Summary of the invention
For this reason, the invention provides a kind of new Sweet natural gas accelerant and preparation method thereof of at least a portion that at least can address the above problem.
The invention provides a kind of preparation method of Sweet natural gas accelerant, following raw material is fully mixed: rare earth compound, solvent, transition metal cyclopentadiene compounds, wherein, the mixture that described solvent is comprised of methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane and water.
Alternatively, according to the preparation method of Sweet natural gas accelerant of the present invention, described rare earth compound accounts for 0.1～5% of described raw material gross weight.
Alternatively, according to the preparation method of Sweet natural gas accelerant of the present invention, described transition metal cyclopentadiene compounds weight is 1～6 times of described rare earth compound weight.
Alternatively, according to the preparation method of Sweet natural gas accelerant of the present invention, in described solvent, the mol ratio of methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water is 4～8:0.05～0.15:0.8～1.2:0.05～0.15:0.2～0.4:0.2～0.4:0.3～0.7.
Alternatively, according to the preparation method of Sweet natural gas accelerant of the present invention, the mol ratio of methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water is 6:0.1:1:0.1:0.3:0.3:0.5.
Alternatively, the preparation method of Sweet natural gas accelerant of the present invention, described rare earth compound is one or more in ammonium cerous sulfate, cerous nitrate and lanthanum nitrate.
Alternatively, according to the preparation method of Sweet natural gas accelerant of the present invention, described transition metal cyclopentadiene compounds is product and the derivative thereof of transition metal and cyclopentadiene chemical combination.
Alternatively, according to the preparation method of Sweet natural gas accelerant of the present invention, described transition metal is one or more in iron, nickel and cobalt.
The present invention also provides a kind of Sweet natural gas accelerant obtaining according to above-mentioned preparation method.
The preparation method of Sweet natural gas accelerant of the present invention is simple to operate, and raw materials is easy to get.The Sweet natural gas accelerant making by the method can be increased to rapidly 3500 ℃ from 2000 ℃ of less thaies by the temperature of combustion of Sweet natural gas, welding or cutting are burnt through this accelerant with Sweet natural gas again, can make Sweet natural gas perfect combustion, effectively reduce the carbon monoxide equal size in flue dust and tail gas, reduce environmental pollution, and reduce the cost of welding, cutting.
Embodiment
Below in conjunction with concrete embodiment, the invention will be further described.
The invention provides a kind of preparation method of Sweet natural gas accelerant, first, prepare desired raw material: rare earth compound, solvent and transition metal cyclopentadiene compounds, wherein, the mixture that described solvent is comprised of methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane and water.In the gross weight of raw material, the consumption of described rare earth compound is 0.1～5%, and the consumption of described solvent and described transition metal cyclopentadiene compounds can suitably be adjusted.Preferably, the consumption of described transition metal cyclopentadiene compounds is 1～6 times of described rare earth compound consumption, and all the other are solvent.Described rare earth compound and transition metal cyclopentadiene compounds are added in described solvent, be uniformly mixed to solution and become limpid, complete the preparation of Sweet natural gas accelerant.
In above-mentioned preparation method, with rare earth compound, the transition metal cyclopentadiene compounds with catalytic combustion-supporting effect, as raw material, prepare Sweet natural gas accelerant, make the Sweet natural gas that mixes with this accelerant can perfect combustion, and then effectively reduce the carbon monoxide equal size in flue dust and tail gas, reduce environmental pollution.The solvent using can be well dissolves rare earth compound and transition metal cyclopentadiene compounds and forms the system of dissolving each other, when Sweet natural gas is mixed with described Sweet natural gas accelerant, be conducive to Sweet natural gas they are taken out of, thereby Sweet natural gas is played to the effect of catalytic combustion-supporting.And it is wide to prepare the raw material sources that this Sweet natural gas accelerant uses, price is low, and production cost is low, good in economic efficiency.
In preparation method of the present invention, methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water are mixed with the mol ratio of 4～8:0.05～0.15:0.8～1.2:0.05～0.15:0.2～0.4:0.2～0.4:0.3～0.7, obtain described solvent.Preferably, the mol ratio of methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water is 6:0.1:1:0.1:0.3:0.3:0.5.
In preparation method of the present invention, the rare earth compound using can be one or more in ammonium cerous sulfate, cerous nitrate and lanthanum nitrate.Because these several compounds are cheap, using it as the raw material of preparing Sweet natural gas accelerant, can reduce manufacturing cost.Be understandable that, other rare earth compounds with combustion-supporting performance also can be for the present invention.
In preparation method of the present invention, described transition metal cyclopentadiene compounds is product and the derivative thereof of transition metal and cyclopentadiene chemical combination, i.e. atoms metal and the sandwich compound of two cyclopentadienyl formation or the derivative of this compound.In several embodiments of the present invention, the transition metal using is one or more in iron, nickel and cobalt.Be understandable that, the cyclopentadiene compounds of other transition metal also goes for the present invention.
The present invention also provides a kind of Sweet natural gas accelerant obtaining according to above-mentioned preparation method.Described Sweet natural gas accelerant is light yellow or light green liquid.When welding or cutting, after Sweet natural gas is fully mixed with described Sweet natural gas accelerant, burn again, can make combustion of natural gas temperature significantly improve, perfect combustion.Usually, 1m
3sweet natural gas mixes with 6～10ml Sweet natural gas accelerant.Preferably, 1m
3the Sweet natural gas accelerant that mixes 8ml in Sweet natural gas.
The Sweet natural gas accelerant preparation method's who proposes according to the present invention optional many factors, can design various embodiments, so specific embodiment is only as the exemplary illustration of specific implementation of the present invention, and does not form limitation of the scope of the invention.For concrete description the present invention, select following examples to carry out exemplary illustration.
Embodiment 1
Take the mixture 2g of lanthanum nitrate and cerous nitrate; the mixture 6g of nickelocene and ferrocenyl methyl ketone, is mixed with 92g solvent by methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water according to mol ratio 4:0.1:1.2:0.05:0.2:0.4:0.3.Described lanthanum nitrate, cerous nitrate, nickelocene and ferrocenyl methyl ketone are added in described solvent, be uniformly mixed to solution and become limpid, obtain Sweet natural gas accelerant.
Embodiment 2
Take lanthanum nitrate 0.1g and dicyclopentadienylcobalt 0.6g, methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water are mixed with to 99.3g solvent according to mol ratio 5:0.05:0.9:0.15:0.3:0.4:0.4.Described lanthanum nitrate and dicyclopentadienylcobalt are added in described solvent, be uniformly mixed to solution and become limpid, obtain Sweet natural gas accelerant.
Embodiment 3
Take ammonium cerous sulfate 0.2g and ferrocene 0.2g, methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water are mixed with to 99.8g solvent according to mol ratio 6:0.1:1:0.1:0.3:0.3:0.5.Described ammonium cerous sulfate and ferrocene are added in described solvent, be uniformly mixed to solution and become limpid, obtain Sweet natural gas accelerant.
Embodiment 4
Take cerous nitrate 5g and nickelocene 10g, methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water are mixed with to 85g solvent according to mol ratio 8:0.15:0.8:0.1:0.2:0.2:0.7.Described cerous nitrate and nickelocene are added in described solvent, be uniformly mixed to solution and become limpid, obtain Sweet natural gas accelerant.
Sweet natural gas accelerant in embodiment 1-4 and Sweet natural gas are mixed to rear alternative acetylene according to a certain percentage as welding gas or cutting gas, can effectively reduce environmental pollution, reduce the cost of welding, cutting.
For the beneficial effect of Sweet natural gas accelerant of the present invention is described better, applicant is loaded on the Sweet natural gas accelerant of certain volume in pressure bottle, cutting is burnt through this accelerant with Sweet natural gas again, can significantly improve combustion of natural gas temperature, actual measurement to temperature of combustion be 3500 ℃.Utilize this Sweet natural gas long to 1500mm, the steel plate that 40mm is thick cuts, and contrasts as the test-results of cutting gas with acetylene, propane, and concrete test-results is described in table 1 below.
As can be seen from Table 1, compare as cutting gas with using acetylene or propane, the cutting efficiency of cutting-welding gas of the present invention is higher, and cost is lower, and cost-saved approximately 30%.And, while cutting with acetylene, propane, easily form carbon distribution, this carbon distribution is easily set near cutting mouth, makes otch rough, so need to again grind off carbon distribution, not only increased procedure of processing, also increased cost, utilized this Sweet natural gas to cut and do not have the problems referred to above.This Sweet natural gas accelerant is used that safety, production cost are low, applied range, good in economic efficiency, obvious energy conservation.
Table 1
It should be noted, the present invention will be described rather than limit the invention for above-described embodiment, and those skilled in the art can design alternative embodiment in the situation that do not depart from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed as element or step in the claims.
Claims (4)
1. the preparation method of a Sweet natural gas accelerant, it is characterized in that following raw material fully to mix: rare earth compound, solvent, transition metal cyclopentadiene compounds, wherein, the mixture that described solvent is comprised of methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane and water;
Wherein, described rare earth compound accounts for 0.1～5% of described raw material gross weight, and described transition metal cyclopentadiene compounds weight is 1～6 times of described rare earth compound weight, and all the other are solvent;
In described solvent, the mol ratio of methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water is 4～8:0.05～0.15:0.8～1.2:0.05～0.15:0.2～0.4:0.2～0.4:0.3～0.7; Described rare earth compound is one or more in ammonium cerous sulfate, cerous nitrate and lanthanum nitrate; Described transition metal is one or more in iron, nickel and cobalt.
2. preparation method according to claim 1, is characterized in that: the mol ratio of methyl alcohol, toluene, methyl tertiary butyl ether, hexanaphthene, nonane, decane, water is 6:0.1:1:0.1:0.3:0.3:0.5.
3. preparation method according to claim 1, is characterized in that: described transition metal cyclopentadiene compounds is product and the derivative thereof of transition metal and cyclopentadiene chemical combination.
4. the Sweet natural gas accelerant obtaining according to preparation method described in any one in claim 1-3.
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| CN201310258287.3A CN103320191B (en) | 2013-06-25 | 2013-06-25 | Natural gas gaining agent and preparation method thereof |
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| CN201310258287.3A CN103320191B (en) | 2013-06-25 | 2013-06-25 | Natural gas gaining agent and preparation method thereof |
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| CN103320191A CN103320191A (en) | 2013-09-25 |
| CN103320191B true CN103320191B (en) | 2014-11-26 |
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| CN112266803B (en) * | 2020-11-03 | 2021-09-07 | 河北濡春新能源集团有限公司 | Natural gas welding and cutting rare earth nano polymerization additive |
| CN113528204A (en) * | 2021-07-15 | 2021-10-22 | 山东路盛源新能源科技有限公司 | High-flash ignition gas additive and preparation method thereof |
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| US20090013589A1 (en) * | 2007-07-10 | 2009-01-15 | Aradi Allen A | Fuel composition comprising a nitrogen-containing compound |
| CN101831326A (en) * | 2010-05-18 | 2010-09-15 | 杭州绿洲能源科技有限公司 | Biomass fuel oil and preparation method thereof |
| CN102492504A (en) * | 2011-12-26 | 2012-06-13 | 重庆大学 | Combustion synergist for industrial fuel gas |
| CN102604699A (en) * | 2011-01-19 | 2012-07-25 | 赵志鑫 | Synergistic additive of natural-gas as welding and cutting gas |
| CN103160348A (en) * | 2013-03-18 | 2013-06-19 | 四川润德燃气有限责任公司 | Light paraffin fuel gas rare earth catalytic synergist, as well as preparation method and application thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1368540A (en) * | 2001-02-01 | 2002-09-11 | 呼世滨 | Anti-explosion additive of gasoline and gasoline prepared from it |
| CN102080001A (en) * | 2009-12-01 | 2011-06-01 | 济南开发区星火科学技术研究所 | Rare earth naphthenate-containing octane number improver for gasoline |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090013589A1 (en) * | 2007-07-10 | 2009-01-15 | Aradi Allen A | Fuel composition comprising a nitrogen-containing compound |
| CN101831326A (en) * | 2010-05-18 | 2010-09-15 | 杭州绿洲能源科技有限公司 | Biomass fuel oil and preparation method thereof |
| CN102604699A (en) * | 2011-01-19 | 2012-07-25 | 赵志鑫 | Synergistic additive of natural-gas as welding and cutting gas |
| CN102492504A (en) * | 2011-12-26 | 2012-06-13 | 重庆大学 | Combustion synergist for industrial fuel gas |
| CN103160348A (en) * | 2013-03-18 | 2013-06-19 | 四川润德燃气有限责任公司 | Light paraffin fuel gas rare earth catalytic synergist, as well as preparation method and application thereof |
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Inventor after: Wang Libang Inventor after: Chen Xihua Inventor after: Dong Zhengping Inventor after: Li Rong Inventor after: Lei Liang Inventor after: Li Xia Inventor after: Luo Jie Inventor after: Chen Nanxu Inventor before: Wang Libang Inventor before: Chen Xihua Inventor before: Dong Zhengping Inventor before: Li Rong Inventor before: Lei Liang Inventor before: Li Xia |
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Free format text: CORRECT: INVENTOR; FROM: WANG LIBANG CHEN XIHUA DONG ZHENGPING LI RONG LEI LIANG LI XIA TO: WANG LIBANG CHEN XIHUA DONG ZHENGPING LI RONG LEI LIANG LI XIA LUO JIE CHEN NANXU |
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Granted publication date: 20141126 Termination date: 20160625 |