CN103468335A - High-efficiency environment-friendly energy-saving mixed fuel gas - Google Patents
High-efficiency environment-friendly energy-saving mixed fuel gas Download PDFInfo
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- CN103468335A CN103468335A CN2013103079311A CN201310307931A CN103468335A CN 103468335 A CN103468335 A CN 103468335A CN 2013103079311 A CN2013103079311 A CN 2013103079311A CN 201310307931 A CN201310307931 A CN 201310307931A CN 103468335 A CN103468335 A CN 103468335A
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Abstract
The invention provides a high-efficiency environment-friendly energy-saving mixed fuel gas. The fuel gas is prepared by mixing the following substances by weight: 70 to 80 parts of liquefied petroleum gas, 15 to 20 parts of dimethyl ether, 1 to 5 parts of methanol and 5 to 10 parts of ethanol. Liquefied petroleum gas mainly contains propane and includes many substances, so a certain amount of ethanol should be added as a solvent to realize solvation and azeotropy; ethanol contains oxygen, has good combustibility and is a solvent, and a certain amount of methanol is added to supplement oxygen; thus, oxygen content in liquefied petroleum gas is increased, which is beneficial for combustion. Emission during combustion is reduced by 40%; thermal efficiency is increased by more than 20%; the volume of methanol and dimethyl ether is 3%; complex substances in liquefied petroleum gas are fused by ethanol into dimethyl ether and methanol, then an obtained mixture is dissolved in liquefied petroleum gas, no deposition and layering occur, and no corrosion is posed.
Description
Technical field
The invention belongs to a kind of combustion gas, relate in particular to a kind of air mixture that liquefied petroleum gas (LPG) is main component of take.
Background technology
The calorific value of liquefied petroleum gas (LPG) is the highest in geseous fuel, and theoretical air requirement is up to 24 ~ 30Nm
3/ Nm
3, so combustion air mixes with it fully more difficult than Sweet natural gas.Some unit rushes the thin liquid liquefied oil gas with air or flue gas while using and re-uses.But danger close while using Dilution air, ratio is forbidden in explosive range otherwise is blasted, and national regulation is generally the liquefied petroleum gas (LPG) volumetric concentration must be higher than 1.5 times of the explosive range upper limit.The liquefied petroleum gas (LPG) flame propagation velocity is low, burning is slow, but than Sweet natural gas slightly hurry up.
Unreasonable although the liquefied petroleum gas (LPG) calorific value is very high with air mixed, namely " air-fuel ratio " is improper, when burning thermo-efficiency not high, if the ropy thermo-efficiency of utensil that burning is used is also with regard between 30 ~ 55, and it is serious to produce blowdown, the serious phenomenon of fouling.Liquefied petroleum gas (LPG) propane is main comprehensive composition, a kind of byproduct when it is refining of petroleum, and a lot of substance combustion performances are all different, and a kind of jelly serious scale also has some C
4, C
5can not produce azeotropic Deng heavy carbon species, produce raffinate.Carbon monoxide, hydrocarbon polymer etc. are all higher than other combustion gas.Liquefied petroleum gas density is larger, is about 1.5 ~ 2.0 times of air under synthermal and pressure, during leakage, sinks, and is easy to air mixed and reaches in ignition range, meets fire and blasts.General liquefied petroleum gas (LPG) vapour pressure is higher.Be about 0.9 ~ 1.5Mpa in the time of 37.8 ℃.Necessarily require in use the gasification station reducing valve functional, to guarantee safety.To sum up discuss, though the calorific value of liquefied petroleum gas (LPG) is high, by the thermo-efficiency restriction of some burner, fail to reach desirable " air-fuel ratio ".
But notice that a lot of enterprises even add dme in the gas station in the whole nation in a large number, because the dme price is low, this is very wrong to add in a large number dme, and the serious consequence of generation is hardly imaginable.Dimethyl ether fuel gas and liquefied petroleum gas medium have a great difference, so its special stove is also different, if the water-heater that adds the ratio of dme to surpass 20% liquefied petroleum gas (LPG) misfires, the abnormal niff of choking that also produces of the flame of the kitchen range of liquefied petroleum gas (LPG), dme is all that methanol dehydration is made mostly, if produce formaldehyde during the unreasonable burning of dme " air-fuel ratio ", formaldehyde is that the drugs carcinogens has injured the user greatly, more seriously liquefied petroleum gas cylinder valve adopts and mostly is nitrile rubber, its chemical polarity is similar to the chemical polarity of dme to the chemistry of dme, so producing dissolves each other has damaged sealing-ring and has produced to leak and catch fire or explode, this is fatal.So it is wrong that liquefied petroleum gas (LPG) adds dme to surpass 20%, is criminal offence, country should strictly control or legal restraint.
Summary of the invention
To be solved by this invention is the technical problem of how to raise the efficiency with environmental protection and energy saving, and a kind of high-efficiency environment friendly energy-conservation air mixture is provided.
In order to address the above problem by the following technical solutions: a kind of high-efficiency environment friendly energy-conservation air mixture is mixed by the material of following weight part: 70 ~ 80 parts of liquefied petroleum gas (LPG), 15 ~ 20 parts of dme, 1 ~ 5 part of methyl alcohol, 5 ~ 10 parts of ethanol.
Preferably, the material by following weight part mixes: 74 parts of liquefied petroleum gas (LPG), 17 parts of dme, 3 parts of methyl alcohol, 6 parts of ethanol.
Preferably, the material by following weight part mixes: 75 parts of liquefied petroleum gas (LPG), 16 parts of dme, 2 parts of methyl alcohol, 7 parts of ethanol.
In liquefied petroleum gas (LPG), propane is that the master also has a lot of materials to fuse and produce azeotropic in order to reach, and need add certain ethanol as solvent.Ethanol is well also again solvent containing oxygen incendivity, then adds a certain amount of methyl alcohol delivery of supplemental oxygen.In liquefied petroleum gas (LPG), the oxygen level increasing more contributes to burning like this.Discharge during burning has reduced by 40%, and thermo-efficiency improves more than 20%, the capacity 3% of methyl alcohol and dme, and the complex material in liquefied petroleum gas (LPG) melts through ethanol, also molten in liquefied petroleum gas (LPG) again among dme, methyl alcohol, does not produce precipitated and separated, non-corrosiveness.
Embodiment
Embodiment 1: a kind of high-efficiency environment friendly energy-conservation air mixture is mixed by the material of following weight part: 70 ~ 80 parts of liquefied petroleum gas (LPG), 15 ~ 20 parts of dme, 1 ~ 5 part of methyl alcohol, 5 ~ 10 parts of ethanol.
Embodiment 2: a kind of high-efficiency environment friendly energy-conservation air mixture is mixed by the material of following weight part: 75 parts of liquefied petroleum gas (LPG), 16 parts of dme, 2 parts of methyl alcohol, 7 parts of ethanol.
Embodiment 3: a kind of high-efficiency environment friendly energy-conservation air mixture is mixed by the material of following weight part: 74 parts of liquefied petroleum gas (LPG), 17 parts of dme, 3 parts of methyl alcohol, 6 parts of ethanol.
The oxygen-free molecule of liquefied petroleum gas (LPG), so very crucial with the reasonable coordination of oxygen in the process of burning, most utensils coordinate bad " air-fuel ratio ".Dimethyl ether fuel gas oxygen-containing molecules 35%, CH
3oCH
3because aerobic in its molecule produces vapor of mixture, C together with liquefied petroleum gas (LPG)
4, C
5can not with C
3, propane, liquefied petroleum gas (LPG) major ingredient produce azeotropic, dme can with C
4, C
5produce azeotropic Deng other material, while jointly burning, because dme contains certain oxygen and C
4, C
5, C
3while burning together Deng material, airborne oxygen is just got less, so also some reach certain environment protecting to the discharge produced less, and burning thoroughly; Due to C
4, C
5calorific value is higher, and heat energy improves, and has avoided utensil poor performance in the past, " air-fuel ratio " is unreasonable, raffinate generation azeotropic has been burnt and just there is no raffinate, and the very high heat energy that improved again of raffinate calorific value, owing to containing oxygen combustionvelocity and combustion efficacy, improving the purpose that reaches environmental protection and energy saving.Dme adds liquefied petroleum gas (LPG) to be no more than 20% as additive, have a lot of advantages, 20% dme is in liquefied petroleum gas (LPG) so, the contact nitrile rubber certain hour internal corrosion of gas phase is little, but preferably be replaced by the rubber ring of Ethylene Propylene Terpolymer with regard to having solved molten disconnected problem, reached safe purpose.
Claims (3)
1. a high-efficiency environment friendly energy-conservation air mixture is characterized in that being mixed by the material of following weight part: 70 ~ 80 parts of liquefied petroleum gas (LPG), 15 ~ 20 parts of dme, 1 ~ 5 part of methyl alcohol, 5 ~ 10 parts of ethanol.
2. a kind of high-efficiency environment friendly energy-conservation air mixture according to claim 1 is characterized in that being mixed by the material of following weight part: 74 parts of liquefied petroleum gas (LPG), 17 parts of dme, 3 parts of methyl alcohol, 6 parts of ethanol.
3. a kind of high-efficiency environment friendly energy-conservation air mixture according to claim 1 is characterized in that being mixed by the material of following weight part: 75 parts of liquefied petroleum gas (LPG), 16 parts of dme, 2 parts of methyl alcohol, 7 parts of ethanol.
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| CN201310307931.1A CN103468335B (en) | 2013-07-22 | 2013-07-22 | High-efficiency environment-friendly energy-saving mixed fuel gas |
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|---|---|---|---|
| CN201310307931.1A CN103468335B (en) | 2013-07-22 | 2013-07-22 | High-efficiency environment-friendly energy-saving mixed fuel gas |
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| Publication Number | Publication Date |
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| CN103468335A true CN103468335A (en) | 2013-12-25 |
| CN103468335B CN103468335B (en) | 2014-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604259A (en) * | 2021-07-29 | 2021-11-05 | 成都众奇化工有限公司 | Alcohol ether mixed hydrocarbon fuel and application method thereof |
| CN116814307A (en) * | 2023-08-17 | 2023-09-29 | 广东雷火能源科技有限公司 | High-efficiency synthetic liquid fuel and processing method thereof |
Citations (8)
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| CN1216317A (en) * | 1998-09-28 | 1999-05-12 | 王国良 | Efficient energy-saving additive and the preparation of several kinds of composite fuel thereof |
| CN1230977A (en) * | 1997-07-01 | 1999-10-06 | Bp阿莫科公司 | Dimethyl ether fuel and method of generating power in dry low NOx combustion system |
| CN1740281A (en) * | 2004-08-26 | 2006-03-01 | 山东久泰化工科技股份有限公司 | Mixed dimethyl ether fuel and its application in firing engine |
| CN1847371A (en) * | 2005-04-05 | 2006-10-18 | 赵庭珍 | LPG additive |
| KR20070096579A (en) * | 2006-03-27 | 2007-10-02 | 조홍동 | Improving nailing apparatus and method |
| CN101144039A (en) * | 2006-09-14 | 2008-03-19 | 雅富顿公司 | Biodegradable fuel performance additives |
| CN101294110A (en) * | 2008-05-15 | 2008-10-29 | 单晓强 | Dimethyl ether fuel for ceramic, glass, building material industry kiln |
| CN101892105A (en) * | 2010-07-27 | 2010-11-24 | 邓治洲 | Novel vehicular fuel |
-
2013
- 2013-07-22 CN CN201310307931.1A patent/CN103468335B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1230977A (en) * | 1997-07-01 | 1999-10-06 | Bp阿莫科公司 | Dimethyl ether fuel and method of generating power in dry low NOx combustion system |
| CN1216317A (en) * | 1998-09-28 | 1999-05-12 | 王国良 | Efficient energy-saving additive and the preparation of several kinds of composite fuel thereof |
| CN1740281A (en) * | 2004-08-26 | 2006-03-01 | 山东久泰化工科技股份有限公司 | Mixed dimethyl ether fuel and its application in firing engine |
| CN1847371A (en) * | 2005-04-05 | 2006-10-18 | 赵庭珍 | LPG additive |
| KR20070096579A (en) * | 2006-03-27 | 2007-10-02 | 조홍동 | Improving nailing apparatus and method |
| CN101144039A (en) * | 2006-09-14 | 2008-03-19 | 雅富顿公司 | Biodegradable fuel performance additives |
| CN101294110A (en) * | 2008-05-15 | 2008-10-29 | 单晓强 | Dimethyl ether fuel for ceramic, glass, building material industry kiln |
| CN101892105A (en) * | 2010-07-27 | 2010-11-24 | 邓治洲 | Novel vehicular fuel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604259A (en) * | 2021-07-29 | 2021-11-05 | 成都众奇化工有限公司 | Alcohol ether mixed hydrocarbon fuel and application method thereof |
| CN116814307A (en) * | 2023-08-17 | 2023-09-29 | 广东雷火能源科技有限公司 | High-efficiency synthetic liquid fuel and processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103468335B (en) | 2014-12-03 |
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