CN104807031A - Hydrogen combustion-supporting device and method - Google Patents
Hydrogen combustion-supporting device and method Download PDFInfo
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- CN104807031A CN104807031A CN201510102259.1A CN201510102259A CN104807031A CN 104807031 A CN104807031 A CN 104807031A CN 201510102259 A CN201510102259 A CN 201510102259A CN 104807031 A CN104807031 A CN 104807031A
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Abstract
A hydrogen combustion-supporting device comprises an alcohol vaporization device, a hydrogen generator and a flame gun. The alcohol vaporization device comprises an evaporator and is characterized in that the evaporator comprises a body, a plurality of rows of circular tubes are arranged inside the body, heating catalytic agents are placed in the circular tubes, a plurality of micropores are formed in the peripheries of the circular tubes and filled with steel balls, and liquid alcohol flows through the micropores and is vaporized by the aid of heat energy released by the heating catalytic agents. According to a method for hydrogen combustion-supporting by the hydrogen combustion-supporting device, gas alcohol generated by the alcohol vaporization device and hydrogen generated by the hydrogen generator are jointly guided into the flame gun and combust after being mixed with air. The combustion efficiency of fuels is increased, and contaminants such as nitric oxide (nitric oxide) or carbon black in exhaust can be decreased.
Description
Technical field
The invention belongs to technical field of new energies, be specifically related to a kind of hydrogen auxiliary combustion equipment and method.
Background technology
Existing boiler or firing equipment use natural gas, and diesel oil or heavy oil (being commonly called as fuel oil, Fuel oil) are main fuel, mix some recovery oil plants comparatively at a low price or solvent sometimes, with the expense of fuel saving.In recent years along with natural gas is successfully developed as raw material, reduce the manufacturing cost of alcohols.On the other hand, alcohols burns the carbon dioxide that discharges far below above-mentioned common fuel.Therefore be the fuel that fuel can provide a low-carbon (LC) with alcohols, and in price, there is competitiveness.
But alcohols is liquid at normal temperature, must be vaporizated into gaseous state in advance and enter flame gun and air mixed combustion Yi put forward Noboru efficiency of combustion again when therefore using.Commercially available alcohols vapourizing unit mostly directly heats with built-in electrothermal method and boils alcohols, alcohols steam importing burner and air are mixed into jet combustion in air blast, or adopt outside indirect type to heat, first the water of water-bath is heated, again by heating water bath alcohols, and pass into appropriate air and blow and drive alcohols steam one And and enter jet combustion.The vapourizing unit of this two type, because air and alcohols are blended in the scope of automatic combustion concentration, or the scope of so-called explosion ratio, there is safe scruple.In addition, direct mode of heating is difficult to the inlet amount of sensitive control vapor of alcohols, needs the inlet amount changing Aalcohols fuel to be then difficult to follow one's bent controlled with the intensity adjusting flame.And electric heater directly contacts with alcohols by direct mode of heating, if the insulator of heating equipment is once occur damaged, just there is danger.When heating is stopped, the alcohols in container still maintains boiling temperature and crosses, and continues evaporate and be incubated, causes the waste of the energy.Indirect heating manner relies on the heating of water-bath, cannot sensitive adjustment evaporation temperature cross and speed on the one hand, and when stopping on the other hand heating, Shui Yu Ponds degree still maintains that high temperature is more difficult lowers the temperature immediately, and causes larger energy waste.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of hydrogen auxiliary combustion equipment and method thereof.
Hydrogen auxiliary combustion equipment of the present invention comprises alcohols vapourizing unit, hydrogen-producing machine and flame gun, is connected between three by pipeline, thus realizes with alcohols being clean fuel, with the economize energy object that hydrogen is combustion-supporting.
A kind of hydrogen auxiliary combustion equipment, comprise alcohols vapourizing unit, hydrogen-producing machine and flame gun, described alcohols vapourizing unit comprises evaporimeter, it is characterized in that, described evaporimeter comprises body, arrange in body interior and arrange pipe more, in pipe, place heating catalyst, many micropores are set around described pipe, filling steel ball in described micropore, liquid alcohols flows through described micropore, is subject to the heat energy of heating catalyst release and vaporizes.
Further, described body is aluminium alloy body.
Further, described heating catalyst comprises porous metal carrier, boron nitride promoter and metal solvent layer, and described metal solvent layer is layer of precious metal or noble metal alloy layer.
Further, described body is of a size of (300-450) X (200-350) X (450-750) mm, preferred 360X215X500mm (heater for generation 200,000 kilocalorie per hour).
Further, the diameter of described pipe is 15-30mm, preferred 20mm.
Further, the diameter of described micropore is 8-12mm, preferred 10mm.
Further, the diameter of described steel ball is 5-8mm, preferred 6mm.
A kind of hydrogen burning-aid method that the present invention proposes, is comprised and uses above-mentioned hydrogen auxiliary combustion equipment, connected between alcohols vapourizing unit, hydrogen-producing machine and flame gun three by pipeline, alcohols vapourizing unit by heat vaporized for liquid alcohol be gaseous state alcohol; Fuel production is gone out hydrogen by hydrogen-producing machine, and gaseous state alcohol and hydrogen import flame gun and air mixing after-combustion jointly.
Further, described alcohols comprise methyl alcohol, ethanol, isopropyl alcohol, and composition thereof; Described fuel comprises methyl alcohol, ethanol, isopropyl alcohol, gasoline, methane, hexane, naphtha and composition thereof.
Further, the operating temperature of described alcohols vapourizing unit is 68-180 DEG C.
Effect of the present invention is, hydrogen auxiliary combustion equipment and method with the one-body molded evaporator body of the aluminium alloy of monoblock high-termal conductivity, to guarantee the quick of heat transfer speed in continuous material.Have many pipes in body, in pipe, place heating catalyst, the burst size of heat energy adjusts at any time by feed pump, to adapt to the evaporating capacity change of alcohols.Steel ball in micropore assists liquid dispersion to form alcohol thin film to accelerate vaporization on the one hand, reduces the liquid alcohols capacity in vaporising device on the other hand, to reduce the desired heat energy of vaporization, puies forward Noboru vaporization efficency.The adjustment of described evaporating capacity is quick and sensitive, the intensity of change alcohols vaporization of can following one's bent.The alcohol thin film that the hole wall of described micropore or ball surfaces are formed achieves high efficiency evaporation object (88.6%).The alcohols gas obtained and hydrogen import flame gun and air mixing after-combustion jointly.The present invention, except promoting the efficiency of combustion of fuel, more can reduce the pollution impurity in exhaust, as nitrogen oxide (NOx) or carbon black.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of hydrogen burning-aid method of the present invention.
Fig. 2 is the structure chart of alcohols vapourizing unit of the present invention.
Fig. 3 is the stereogram of alcohols vapourizing unit of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in more detail.
Use hydrogen auxiliary combustion equipment to carry out the combustion-supporting method of hydrogen, described hydrogen auxiliary combustion equipment comprises alcohols vapourizing unit 101, hydrogen-producing machine 102 and flame gun 103.Described alcohols vapourizing unit, comprise evaporimeter 1, described evaporimeter comprises body, many row's pipes 2 are set in this inside, in pipe, place heating catalyst, many micropores 3 are set around described pipe, filling steel ball 4 in described micropore, liquid alcohols flows through described micropore, is subject to the heat energy of heating catalyst release and vaporizes.Connected by pipeline between described alcohols vapourizing unit, hydrogen-producing machine and flame gun three; Fuel production is gone out hydrogen by hydrogen-producing machine, and gaseous state alcohol and hydrogen import flame gun and air mixing after-combustion jointly.
Embodiment 1
Above-mentioned alcohols vapourizing unit, wherein said body is aluminium alloy body, described heating catalyst comprises porous metal carrier, boron nitride promoter and platinum catalyst layer, described body is of a size of 300X200X450mm, the diameter of described pipe is 15mm, and the diameter of micropore is 8mm, and the diameter of described steel ball is 5mm, described alcohols is ethanol, and described vapourizing temperature is 90 DEG C; Above-mentioned hydrogen-producing machine uses methyl alcohol to be fuel.
Embodiment 2
Repeat embodiment 1, difference is that described catalyst layer replaces above-mentioned platinum with palladium metal, and described body is of a size of 450X350X750mm, the diameter of described pipe is 30mm, and the diameter of micropore is 12mm, and the diameter of described steel ball is 8mm, described alcohols is methyl alcohol, and described vapourizing temperature is 68 DEG C; Above-mentioned hydrogen-producing machine uses ethanol to be fuel.
Embodiment 3
Repeat embodiment 1, wherein porous metal carrier is aluminium oxide, and described body is of a size of 375X275X600mm, and the diameter of described pipe is 20mm, and the diameter of micropore is 10mm, and the diameter of described steel ball is 6mm, and described alcohols is isopropyl alcohol.Above-mentioned hydrogen-producing machine uses methane to be fuel.
Embodiment 4
Repeat embodiment 3, difference is that described catalyst layer is pallas, described body is of a size of 360X250X500mm, the diameter of described pipe is 25mm, the diameter of micropore is 12mm, the diameter of described steel ball is 7mm, and described alcohols is the mixture of methyl alcohol and isopropyl alcohol, and described vapourizing temperature is 168 DEG C; Above-mentioned hydrogen-producing machine uses naphtha to be fuel.
Embodiment 5
Repeat embodiment 2, wherein porous metal carrier is aluminium oxide, described catalyst layer is palladium rhenium alloys, described body is of a size of 400X200X550mm, the diameter of described pipe is 25mm, and the diameter of micropore is 10mm, and the diameter of described steel ball is 6mm, described alcohols is the mixture of ethanol and isopropyl alcohol, and described vapourizing temperature is 150 DEG C; Above-mentioned hydrogen-producing machine uses gasoline to be fuel.
Embodiment 6
Repeat embodiment 1, wherein porous metal carrier is aluminium oxide, described catalyst layer is platinum rhenium alloys, described body is of a size of 400X250X700mm, the diameter of described pipe is 20mm, and the diameter of micropore is 10mm, and the diameter of described steel ball is 6m, described alcohols is the mixture of ethanol and methyl alcohol, and described vapourizing temperature is 130 DEG C; Above-mentioned hydrogen-producing machine uses the mixture of gasoline and methyl alcohol to be fuel.
Embodiment 7
Repeat embodiment 6, difference is that described catalyst layer is palladium rhenium alloys, and described body is of a size of 380X210X520mm, the diameter of described pipe is 30mm, the diameter of micropore is 12mm, and the diameter of described steel ball is 8mm, and above-mentioned hydrogen-producing machine uses the mixture of ethanol and methyl alcohol to be fuel.
Embodiment 8
Repeat embodiment 5, difference is that described catalyst layer is platinum, and described body is of a size of 360X215X500mm, the diameter of described pipe is 20mm, the diameter of micropore is 8mm, and the diameter of described steel ball is 6mm, and above-mentioned hydrogen-producing machine uses the mixture of isopropyl alcohol and hexane to be fuel.
Claims (10)
1. a hydrogen auxiliary combustion equipment, comprise alcohols vapourizing unit, hydrogen-producing machine and flame gun, described alcohols vapourizing unit comprises evaporimeter, it is characterized in that, described evaporimeter comprises body, arrange in body interior and arrange pipe more, in pipe, place heating catalyst, many micropores are set around described pipe, filling steel ball in described micropore, liquid alcohols flows through described micropore, is subject to the heat energy of heating catalyst release and vaporizes.
2. hydrogen auxiliary combustion equipment according to claim 1, is characterized in that, described body is aluminium alloy body.
3. hydrogen auxiliary combustion equipment according to claim 1, is characterized in that, described heating catalyst comprises porous metal carrier, boron nitride promoter and metal solvent layer, and described metal solvent layer is layer of precious metal or noble metal alloy layer.
4. hydrogen auxiliary combustion equipment according to claim 1, is characterized in that, described body is of a size of (300-450) X (200-350) X (450-750) mm.
5. hydrogen auxiliary combustion equipment according to claim 1, is characterized in that, the diameter of described pipe is 15-30mm.
6. hydrogen auxiliary combustion equipment according to claim 1, is characterized in that, the diameter of described micropore is 8-12mm.
7. hydrogen auxiliary combustion equipment according to claim 1, is characterized in that, the diameter of described steel ball is 5-8mm.
8. a hydrogen burning-aid method, is comprised the hydrogen auxiliary combustion equipment used described in claim 1-7 any one, is connected between alcohols vapourizing unit, hydrogen-producing machine and flame gun three by pipeline, alcohols vapourizing unit by heat vaporized for liquid alcohol be gaseous state alcohol; Fuel production is gone out hydrogen by hydrogen-producing machine, and gaseous state alcohol and hydrogen import flame gun and air mixing after-combustion jointly.
9. hydrogen burning-aid method according to claim 8, is characterized in that, described alcohols comprise methyl alcohol, ethanol, isopropyl alcohol, and composition thereof; Described fuel comprises methyl alcohol, ethanol, isopropyl alcohol, gasoline, methane, hexane, naphtha and composition thereof.
10. hydrogen burning-aid method according to claim 8, is characterized in that, the operating temperature of described alcohols vapourizing unit is 68-180 DEG C.
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| CN201510102259.1A CN104807031B (en) | 2015-03-09 | 2015-03-09 | A kind of hydrogen auxiliary combustion equipment and method |
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| CN201510102259.1A CN104807031B (en) | 2015-03-09 | 2015-03-09 | A kind of hydrogen auxiliary combustion equipment and method |
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| CN104807031A true CN104807031A (en) | 2015-07-29 |
| CN104807031B CN104807031B (en) | 2017-04-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649827A (en) * | 2016-01-19 | 2016-06-08 | 上海万寅安全环保科技有限公司 | Hydrogen-oil hybrid power device |
| CN107327868A (en) * | 2017-07-12 | 2017-11-07 | 山东理工大学 | Gas-made technology occurs for a kind of minitype light hydrocarbon combustion gas |
| CN113893382A (en) * | 2021-08-17 | 2022-01-07 | 广州市铭慧机械股份有限公司 | VHP sterilization generator |
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| CN201652342U (en) * | 2010-05-18 | 2010-11-24 | 杭州电子科技大学 | Porous media combustion apparatus for liquid fuel |
| US20120315586A1 (en) * | 2011-06-09 | 2012-12-13 | Gas Technology Institute | METHOD AND SYSTEM FOR LOW-NOx DUAL-FUEL COMBUSTION OF LIQUID AND/OR GASEOUS FUELS |
| CN203454128U (en) * | 2013-08-01 | 2014-02-26 | 陈庆安 | Vaporization-type alcohol-based fuel burner |
| CN104214791A (en) * | 2014-06-16 | 2014-12-17 | 汤伟荣 | Methanol gasifying machine and methanol gasifying method |
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2015
- 2015-03-09 CN CN201510102259.1A patent/CN104807031B/en active Active
Patent Citations (5)
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| TW200846076A (en) * | 2007-05-31 | 2008-12-01 | Green Hydrotec Inc | Porous catalyst structure and its preparation method |
| CN201652342U (en) * | 2010-05-18 | 2010-11-24 | 杭州电子科技大学 | Porous media combustion apparatus for liquid fuel |
| US20120315586A1 (en) * | 2011-06-09 | 2012-12-13 | Gas Technology Institute | METHOD AND SYSTEM FOR LOW-NOx DUAL-FUEL COMBUSTION OF LIQUID AND/OR GASEOUS FUELS |
| CN203454128U (en) * | 2013-08-01 | 2014-02-26 | 陈庆安 | Vaporization-type alcohol-based fuel burner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649827A (en) * | 2016-01-19 | 2016-06-08 | 上海万寅安全环保科技有限公司 | Hydrogen-oil hybrid power device |
| CN107327868A (en) * | 2017-07-12 | 2017-11-07 | 山东理工大学 | Gas-made technology occurs for a kind of minitype light hydrocarbon combustion gas |
| CN107327868B (en) * | 2017-07-12 | 2018-11-30 | 山东理工大学 | A kind of minitype light hydrocarbon combustion gas generation gas-made technology |
| CN113893382A (en) * | 2021-08-17 | 2022-01-07 | 广州市铭慧机械股份有限公司 | VHP sterilization generator |
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