CN1654313A - Coal-biomass co-overcritical water catalysis-gasification hydrogen production plant and method - Google Patents
Coal-biomass co-overcritical water catalysis-gasification hydrogen production plant and method Download PDFInfo
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Abstract
The present invention discloses one kind of supercritical water catalytic coal and biomass gasifying process and apparatus for producing hydrogen. The apparatus has material feeder with one inlet connected to the outlet of the material pump and the other inlet connected to the outlet of feeding tank, pre-heater with outlet connected to the preheated water inlet and inlet connected to the outlet of inner pipe outlet of the cooler, cooler with inlet connected to the inlet of water pump, water pump with outlet connected to the water tank, cooler jacket with outlet connected to the inlet of the first filter and the inlet of the second filter, and back pressure valve with inlet connected to the outlets of the first filter and the second filter. The present invention has special heating mode for fast heating of the reaction material, raised hydrogen content in the gas product, raised CO2 content in the gas product, and easy separation of CO2 and feeding of CO2 to the processing terminal. The present invention is simple, effective and feasible.
Description
Technical field
The invention belongs to clear energy sources and transform field and coal chemical technology, particularly a kind of coal, biomass and carbonaceous organic materials such as coal and biomass mixture utilize supercritical water to produce the apparatus and method of high hydrogen content as the vaporized chemical continuous catalysis gasification.
Technical background
Energy and environment become the focal issue that international community pays close attention to day by day, and abundant in coal resource and the Hydrogen Energy that green biomass energy is converted into cleaning are had the energy environment double meaning.
At present gasification is converted into hydrogen and can adopts fixed bed, fluidized-bed, air flow bed and melting bed etc., and gasification relates generally to three phases, i.e. main reaction stage, water-gas shift reaction stage and purifying and compression stage.The subject matter that exists is: the pollutent that produces in the coal gasification course is most not to be had control or lacks the control discharging, has caused serious pollution; Hydrogen content is low in the gasification product; The coal high to water capacity will carry out pre-treatment; The vapourizing furnace volume is big, the gasification system complexity.The problems referred to above are seriously restricting quick, the sound development of gasification hydrogen producing technology.
The gasification mode of biomass mainly contains pyrolytic gasification, air gasification, oxygen-rich gasification, steam gasification, the subject matter that exists is that vaporization rate is low, obtain high hydrogen output gas, needs oxygen generating plant or steam generator and superheater, system complex, cost are also high.
According to defective and deficiency that prior art exists, research institution has developed some new coals or biomass-making hydrogen methods both at home and abroad.Engineering Thermophysics institute of domestic Chinese Academy of Sciences Xiao Milky Way etc. and Shanxi coalification usefulness interval type reactors such as Bi Jicheng respectively the supercritical water gasification hydrogen production of coal and wood chip is studied, they all add calcium oxide and come solidified carbon dioxide, make hydrogen content raising in the gaseous product, but they are reactor used to be interval type, adds calcium oxide in addition and causes system complex.The supercritical water gasification hydrogen production of biomass such as straw, maize straw, sawdust being studied of power engineering polyphasic flow National Key Laboratory of Xi'an Communications University research with interval type and flow reactor, though vaporization rate is higher, hydrogen content has much room for improvement in the gaseous product.Do not see at present that domestic coal and biomass are total to the relevant report of gasification hydrogen-producing.
The Modell of external MIT etc. studies the supercritical water gasification of coal the earliest, in its patent US4113446, is target to produce high heat value gas with solids such as coal or liquid organic material in supercritical water, and the gaseous product of acquisition is based on carbon monoxide, methane and hydrogen, and hydrogen content is not high.Japan HatanoHiroyuki etc. are at its patent EP1001002 (equal patent AU2813999, JP2000143202 and JP2979149B2) in, adding under the capacity carbon-dioxide absorbent condition, the supercritical water gasification hydrogen production of organic materialss such as research coal, hydrogen content is higher in the gaseous product that makes, but this method is because after adding the calcium oxide absorbing carbon dioxide, generate lime carbonate, easy blocking pipeline, add calcium oxide in addition calcium oxide separator and regeneration reactor need be set, cause system complex.USDOE is subsidized GeneralAtomics biomass, high sulphur coal etc. is carried out supercritical water partial oxidation research, hydrogen content is higher in the gaseous product that the biomass partial oxidation makes, do not have to give the concrete outcome of the partial oxidation hydrogen-preparation that produces coal, only the explanation gasification is bad.This method needs to be equipped with equipment such as oxygenant storage, conveying owing to will add oxygenant, increases investment, and system complex.External coal and biomass gasify research altogether mainly based on fluidized-bed, vaporized chemical is based on air and water vapor, the subject matter that exists is that gasification temperature is higher, the vapourizing furnace volume is bigger, the gasification system complexity, the gas cleaning system cost is higher, and carbon dioxide content is low in the gaseous product, is unfavorable for the separation and the processing of carbonic acid gas.Do not see with the supercritical water to be the coal and the common gasification hydrogen-producing report of biomass of vaporized chemical.
Summary of the invention
One object of the present invention is to provide a kind of coal and biomass co-overcritical water catalysis-gasification hydrogen production plant, its compact construction, simple, can be with the mixture of coal, biomass and coal and biomass, be converted into cleaning, hydrogen-rich gas that energy density is high fast, efficiently, continuously.
Another object of the present invention provides a kind of coal and biomass co-overcritical water catalysis-gasification hydrogen production process, does not contain NOx, SO in the gaseous product of generation
2Deng pollutent, produce the carbonic acid gas of high density simultaneously, carbonic acid gas is separated easily and is put in the processing terminal.
Technical scheme of the present invention is: comprise first feeder and second feeder, an inlet end of first feeder and the second feeder exit end and mixing tank, promptly be communicated with the reaction raw materials inlet end, the mixer outlet end links to each other with the reactor inlet end, the reactor outlet end is connected with cooling body tube inlet end, water cooler sleeve pipe exit end is connected with the back pressure valve inlet end, the back pressure valve exit end is connected with the gas-liquid separator inlet end, the gas-liquid separator exit end is connected with water tank, first feeder and second feeder have two inlet ends, an inlet end is communicated with material pump outlet end, another inlet end is communicated with the intake chute exit end, the intake chute inlet end is provided with the gas inlet, another inlet end of mixing tank, be that the preheating water entrance end is connected with the preheater exit end, the inlet end of preheater is communicated with pipe exit end in the water cooler, the tube inlet end is communicated with the pump entrance end in the water cooler, pump outlet is communicated with water tank, water cooler sleeve pipe exit end is connected with first strainer and the second filter inlet end respectively, and the exit end of first strainer and second strainer is communicated with the back pressure valve inlet end.
Mixing tank has two imports and an outlet, and an import of mixing tank is the import from the effusive preheating water of preheater, and another import is from the effusive reaction raw materials import of feeder.
The reactor water placing flat, reactor tube walls can adopt electrically heated, also can adopt solar heating.
The tube inlet end is connected with the flushing pump exit end in the reaction raw materials inlet end of mixing tank and the water cooler, and the flushing pump inlet end is communicated with water tank.
The co-overcritical water catalysis-gasification hydrogen production process of coal of the present invention and biomass, carry out according to the following steps:
1) gets mass percent concentration 0.1～0.5wt% sodium hydroxide, 1～10wt% coal, 0.2～3.0wt
The % Xylo-Mucine, all the other are water, after above-mentioned substance stirred evenly mixing, pour intake chute into as reaction raw materials, be pressed into feeder with 1～2Mpa nitrogen, nitrogen amount depends on the reaction raw materials amount that is pressed into, and 80%～90% reaction raw materials in the intake chute is pressed into feeder, requires the reaction raw materials of residue 20%～10% in the intake chute;
2) will boost with the water of 2～5 times of reaction raw materials with water pump, pressure is 20～35Mpa, and then water is heated up, and temperature is 650～800 ℃, makes preheating water;
3) open the material pump, the reaction raw materials in the feeder is sent in the mixing tank, mix with preheating water; Afterwards, both enter in the reactor jointly, at pressure is 20～35Mpa, temperature is to gasify under 650～800 ℃ of conditions, the gasification time is 15～120 seconds, and reaction product is reduced to below 100 ℃ through water cooler, reduces to normal pressure through back pressure valve again, through gas-liquid separator reaction product is separated into the gas-liquid binary states afterwards, makes gaseous product thus based on hydrogen.
After the reaction raw materials of a feeder uses up, connect another and added the feeder that presses and the valve between the mixing tank repeats.
Outstanding effect of the present invention is:
(1) adopts supercritical water direct heating and electrically heated this particular form of common heat supply of reactor wall, realized the rapid intensification of reaction raw materials, in addition sodium hydroxide and Xylo-Mucine dissociative Na
+Acting in conjunction, hydrogen content is raise, and makes that concentration of carbon dioxide improves in the gaseous product, carbonic acid gas is separated easily and is put in the processing terminal.
(2) reaction conditions is comparatively gentle, does not contain NOx, SO in the gaseous product
2Deng pollutent, contain N, the S material discharges with liquids, control easily and handle.
(3) select for use supercritical water to replace water vapour as vaporized chemical, supercritical water density is much larger than water-vapour density, makes the speed of reaction height, and structure of reactor is simple, and reactor volume greatly reduces.
(4) preheater is set, reduces the corrosion of supercutical fluid reactor; Have the water cooler of backheat effect in the reactor outlet setting, greatly improved the thermo-efficiency of whole device; Flushing pump is set, can in time just washing and back flushing system, the maintenance system is unimpeded.
(5) adopt nitrogen that reaction raw materials is pressed into intake chute, simple, effective, the easy row of this method.
(6) product liquid reusable edible.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Embodiment
Accompanying drawing is specific embodiments of the invention;
The present invention is described in further detail below in conjunction with accompanying drawing;
The following stated is an example with the mixture of coal and Xylo-Mucine, also can use the solid-state and liquid carbonaceous organic material of the kinds such as mixture of coal, other biomass and coal and other biomass.
Shown in accompanying drawing, coal and biomass co-overcritical water catalysis-gasification hydrogen production plant, comprise first feeder 2 and second feeder 3, an inlet end of first feeder 2 and second feeder, 3 exit end and mixing tank 4, promptly be communicated with the reaction raw materials inlet end, mixing tank 4 exit end link to each other with reactor 5 inlet ends, reactor 5 exit end are connected with water cooler 7 sleeve pipe inlet ends, water cooler 7 sleeve pipe exit end are connected with back pressure valve 10 inlet ends, back pressure valve 10 exit end are connected with gas-liquid separator 11 inlet ends, gas-liquid separator 11 exit end are connected with water tank 15, first feeder 2 and second feeder 3 have two inlet ends, an inlet end is communicated with the exit end of material pump 16, another inlet end is communicated with intake chute 1 exit end, intake chute 1 inlet end is provided with gas inlet 19, another inlet end of mixing tank 4, be that the preheating water entrance end is connected with preheater 6 exit end, the inlet end of preheater 6 is communicated with pipe exit end in the water cooler 7, the tube inlet end is communicated with water pump 13 inlet ends in the water cooler 7, water pump 13 exit end are communicated with water tank 15, water cooler 7 sleeve pipe exit end are connected with first strainer 8 and second strainer, 9 inlet ends respectively, and the exit end of first strainer 8 and second strainer 9 is communicated with back pressure valve 10 inlet ends.
Its working process is to open water pump 13, extract reaction raw materials 2-5 water doubly out from water tank 15, make that water is managed through flowing water mass flowmeter 17, water cooler 7 in, preheater 6, mixing tank 4, reactor 5, water cooler 7 outer tubes, first strainer 8, back pressure valve 10, gas-liquid separator 11, circulation of water tank 15 formation.Regulate back pressure valve 10,,, open the heating unit of preheater 6 and reactor 5, water is heated up, until being raised to 650-850 ℃ until reaching 25-35Mpa to the water pressurization.Reaction raw materials flow through reaction raw materials mass flowmeter 18, mixing tank 4, reaction raw materials mixes with preheating water in mixing tank 4, afterwards, reaction raw materials and preheating water together enter reactor and gasify under above-mentioned temperature and pressure, reaction product flow through sleeve pipe, first strainer 8 (second strainer 9 is standby), back pressure valve 10, the gas-liquid separator 11 of water cooler 7, gaseous product measures through wet test meter 12, the other end of wet test meter 12 is communicated with gas-chromatography, realizes the on-line measurement of gaseous product.Product liquid is collected in the cycle, measures, takes a sample, is analyzed at certain hour.
Realize above-mentioned coal and biomass co-overcritical water catalysis-gasification hydrogen production plant, its principle of work is to utilize the supercritical water with special performance as vaporized chemical, and the reaction raw materials that configures is joined in the supercritical water.By adopting supercritical water direct heating and electrically heated this particular form of common heat supply of reactor wall, the rapid intensification of realization response raw material.When coal and biomass gasify altogether, utilize biomass H/C than high, specific activity coal height can be used as in the coal gasification course well hydrogen supply agent, promotes gasification.The reaction property of supercritical water uniqueness decomposes reaction raw materials rapidly in reactor, dissociative Na in sodium hydroxide and the Xylo-Mucine
+, further promote the conversion reaction of carbon monoxide to carry out to the right, generate product gas based on hydrogen, do not contain NOx, SO in the gaseous product
2Deng pollutent, produce the carbonic acid gas of high density simultaneously, carbonic acid gas is separated easily and is put in the processing terminal.
Embodiment 1:
(1) according to 0.1wt% sodium hydroxide, the 1wt% coal, the 0.25wt% Xylo-Mucine, all the other are water, prepare reaction raw materials, pour intake chute into after stirring evenly mixing, with 1MPa nitrogen reaction raw materials is pressed into feeder from intake chute, nitrogen amount depends on the reaction raw materials amount that is pressed into, and 80%～90% reaction raw materials in the intake chute is pressed into feeder, requires the reaction raw materials of residue 20%～10% to enter feeder to stop nitrogen in the intake chute;
(2) make current more than 2 times of reaction raw materials through quality under meter 17, preheater 6, mixing tank 4, reactor 5 with water pump, water cooler 7, strainer 8, back pressure valve 10, gas-liquid separator 11.Regulate back pressure valve 10 then and boost, pressure is 25MPa.Then, the heating unit of opening preheater 6 and reactor 5 heats up to water, and temperature is 650 ℃ of reactor wall surface temperatures, makes preheating water thus.
(3) open the material pump, the reaction raw materials of the feeder reaction raw materials mass flowmeter 18 of flowing through is sent in the mixing tank before the reactor inlet, mix with preheating water.Afterwards, both enter inherent 650 ℃ of reactor jointly, 25MPa gasifies, and the gasification time is 15 seconds.Reaction product is reduced to normal pressure through back pressure valve 10 with pressure after water cooler cooling is reduced to below 100 ℃, the reaction product under the normal pressure enters gas-liquid separator 11 and carries out separating of gas and liquid.Gas composition analysis adopts HP6890 gas-chromatography, TCD detector, PLOT C-2000 post, six-way valve sample introduction.Product liquid is collected, analyzes, is measured from the liquid outlet of gas-liquid separator.Carbon content in the product liquid is by Elementar high II analyser analytical test.
After the reaction raw materials of a feeder uses up, connect another and added the feeder that presses and the valve between the mixing tank repeats.
Embodiment 2:
(1) according to 0.1wt% sodium hydroxide, the 1wt% coal, the 0.5wt% Xylo-Mucine, all the other are water, prepare reaction raw materials, pour intake chute into after stirring evenly mixing, with 1.5MPa nitrogen reaction raw materials is pressed into feeder from intake chute, nitrogen amount depends on the reaction raw materials amount that is pressed into, and 80%～90% reaction raw materials in the intake chute is pressed into feeder, requires the reaction raw materials of residue 20%～10% in the intake chute;
(2) make current more than 3 times of reaction raw materials through quality under meter 17, preheater 6, mixing tank 4, reactor 5 with water pump, water cooler 7, strainer 8, back pressure valve 10, gas-liquid separator 11.Regulate back pressure valve 10 then and boost, pressure is 22.5MPa.Then, the heating unit of opening preheater 6 and reactor 5 heats up to water, and temperature is 700 ℃ of reactor wall surface temperatures, makes preheating water thus.
(3) open the material pump, the reaction raw materials of the feeder reaction raw materials mass flowmeter 18 of flowing through is sent in the mixing tank before the reactor inlet, mix with preheating water.Afterwards, both enter inherent 700 ℃ of reactor jointly, 22.5MPa gasifies, and the gasification time is 22.5 seconds.Reaction product is reduced to normal pressure through back pressure valve 10 with pressure after water cooler cooling is reduced to below 100 ℃, the reaction product under the normal pressure enters gas-liquid separator 11 and carries out separating of gas and liquid.Gas composition analysis adopts HP6890 gas-chromatography, TCD detector, PLOT C-2000 post, six-way valve sample introduction.Product liquid is collected, analyzes, is measured from the liquid outlet of gas-liquid separator.Carbon content in the product liquid is by Elementar high II analyser analytical test.
After the reaction raw materials of a feeder uses up, connect another and added the feeder that presses and the valve between the mixing tank repeats.
Embodiment 3:
(1) according to 0.1wt% sodium hydroxide, the 1wt% coal, the 1.0wt% Xylo-Mucine, all the other are water, prepare reaction raw materials, pour intake chute into after stirring evenly mixing, with 2MPa nitrogen reaction raw materials is pressed into feeder from intake chute, nitrogen amount depends on the reaction raw materials amount that is pressed into, and 80%～90% reaction raw materials in the intake chute is pressed into feeder, requires the reaction raw materials of residue 20%～10% in the intake chute;
(2) make current more than 4 times of reaction raw materials through quality under meter 17, mixing tank 4, reactor 5 with water pump, water cooler 7, strainer 8, back pressure valve 10, gas-liquid separator 11.Regulate back pressure valve 10 then and boost, pressure is 20MPa.Then, the heating unit of opening preheater 6 and reactor 5 heats up to water, and temperature is 750 ℃, makes preheating water thus.
(3) open the material pump, the reaction raw materials of the feeder reaction raw materials mass flowmeter 18 of flowing through is sent in the mixing tank before the reactor inlet, mix with preheating water.Afterwards, both enter inherent 750 ℃ of reactor jointly, 20MPa gasifies, and the gasification time is 30 seconds.Reaction product is reduced to normal pressure through back pressure valve 10 with pressure after water cooler cooling is reduced to below 100 ℃, the reaction product under the normal pressure enters gas-liquid separator 11 and carries out separating of gas and liquid.Gas composition analysis adopts HP6890 gas-chromatography, TCD detector, PLOT C-2000 post, six-way valve sample introduction.Product liquid is collected, analyzes, is measured from the liquid outlet of gas-liquid separator.Carbon content in the product liquid is by Elementar high II analyser analytical test.
After the reaction raw materials of a feeder uses up, connect another and added the feeder that presses and the valve between the mixing tank repeats.
Table 1 is the gasification hydrogen-producing result when adding difference amount Xylo-Mucine in the coal water slurry.Explanation is a raw material with coal water slurry and Xylo-Mucine, utilizes the molar content of hydrogen in the gaseous product that these apparatus and method make higher, and has surpassed 60%.
Table 2 is the gasification hydrogen-producing result of coal water slurry when different pressures.With coal water slurry and Xylo-Mucine is raw material, and when utilizing these apparatus and method to produce hydrogen, rising pressure has promoter action to producing hydrogen.
The gasification hydrogen-producing result that table 3 is a coal water slurry when different preheating water flow.With coal water slurry and Xylo-Mucine is raw material, and when utilizing these apparatus and method to produce hydrogen, the flow range of preheating water is bigger.
Gasification hydrogen-producing result when adding difference amount Xylo-Mucine in table 1 coal water slurry
Water coal slurry concentration CMC concentration NaOH concentration preheating water flow reaction raw materials flow reactor outside wall surface temperature, pressure generates the molar content of each component in the gaseous product, %
wt％ wt％ wt％ wt％ wt％ ℃ MPa H2 CO CH4 CO2 C2H4 C2H6
1.0 0.25 0.1 1.0 0.5 650 25 66.46 0 7.73 24.7 0.502 0.535
1.0 0.5 0.1 1.0 0.5 650 25 58.4 0.086 9.07 30.9 0.734 0.851
1.0 0.75 0.1 1.0 0.5 650 25 57.1 0.053 8.43 33 0.663 0.809
1.0 1 0.1 1.0 0.5 650 25 56 0.561 8.13 34 0.557 0.771
The gasification hydrogen-producing result of table 2 coal water slurry when different pressures
Water coal slurry concentration CMC concentration NaOH concentration preheating water flow reaction raw materials flow reactor outside wall surface temperature, pressure generates the molar content of each component in the gaseous product, %
wt％ wt％ wt％ wt％ wt％ ℃ MPa H2 CO CH4 CO2 C2H4 C2H6
1.0 1.0 0.1 1.0 0.5 650 20 50 1.71 9.68 36.4 1.1 1.19
1.0 1.0 0.1 1.0 0.5 650 22.5 53.2 0.191 9.4 35.2 0.926 1.1
1.0 1.0 0.1 1.0 0.5 650 25 56 0.561 8.13 34 0.557 0.771
The gasification hydrogen-producing result of table 3 coal water slurry when different preheating water flow
Water coal slurry concentration CMC concentration NaOH concentration preheating water flow reaction raw materials flow reactor outside wall surface temperature, pressure generates the molar content of each component in the gaseous product, %
wt％ wt％ wt％ wt％ wt％ ℃ MPa H2 CO CH4 CO2 C2H4 C2H6
1.0 1.0 0.1 1.0 0.5 650 25 61 1.65 7.45 29.3?0 0.629
1.0 1.0 0.1 1.5 0.5 650 25 58.2 0.447 8.07 32 0.484 0.754
1.0 1.0 0.1 2.5 0.5 650 25 56 0.561 8.13 34 0.557 0.771
Claims (5)
1. coal and biomass co-overcritical water catalysis-gasification hydrogen production plant, comprise first feeder (2) and second feeder (3), an inlet end of first feeder (2) and second feeder (3) exit end and mixing tank (4), promptly be communicated with the reaction raw materials inlet end, mixing tank (4) exit end links to each other with reactor (5) inlet end, reactor (5) exit end is connected with water cooler (7) sleeve pipe inlet end, water cooler (7) sleeve pipe exit end is connected with back pressure valve (10) inlet end, back pressure valve (10) exit end is connected with gas-liquid separator (11) inlet end, gas-liquid separator (11) exit end is connected with water tank (15), it is characterized in that, first feeder (2) and second feeder (3) have two inlet ends, an inlet end is communicated with the exit end of material pump (16), another inlet end is communicated with intake chute (1) exit end, intake chute (1) inlet end is provided with gas inlet (19), another inlet end of mixing tank (4), be that the preheating water entrance end is connected with preheater (6) exit end, the inlet end of preheater (6) is communicated with pipe exit end in the water cooler (7), the interior tube inlet end of water cooler (7) is communicated with water pump (13) inlet end, water pump (13) exit end is communicated with water tank (15), water cooler (7) sleeve pipe exit end is connected with first strainer (8) and second strainer (9) inlet end respectively, and the exit end of first strainer (8) and second strainer (9) is communicated with back pressure valve (10) inlet end.
2. coal according to claim 1 and biomass co-overcritical water catalysis-gasification hydrogen production plant, it is characterized in that, mixing tank (4) has two imports and an outlet, an import of mixing tank (4) is the import from the effusive preheating water of preheater (6), and another import is from the effusive reaction raw materials import of feeder (2,3).
3. coal according to claim 1 and biomass co-overcritical water catalysis-gasification hydrogen production plant is characterized in that, reactor (5) horizontal positioned, and reactor (5) tube wall can adopt electrically heated, also can adopt solar heating.
4. coal according to claim 1 and biomass co-overcritical water catalysis-gasification hydrogen production plant, it is characterized in that, the reaction raw materials inlet end of mixing tank (4) and the interior tube inlet end of water cooler (7) are connected with flushing pump (14) exit end, and flushing pump (14) inlet end is communicated with water tank (15).
5. coal and biomass co-overcritical water catalysis-gasification hydrogen production process is characterized in that,
1) gets mass percent concentration 0.1～0.5wt% sodium hydroxide, 1～10wt% coal, 0.2～3.0wt% Xylo-Mucine, all the other are water, after above-mentioned substance stirred evenly mixing, pour intake chute (1) into as reaction raw materials, be pressed into feeder (2) with 1～2MPa nitrogen, nitrogen amount depends on the reaction raw materials amount that is pressed into, and 80%～90% reaction raw materials in the intake chute (1) is pressed into feeder (2), requires the reaction raw materials of residue 20%～10% in the intake chute (1);
2) will boost with the water of 2～5 times of reaction raw materials with water pump, pressure is 20～35MPa, and then water is heated up, and temperature is 650～800 ℃, makes preheating water;
3) open material pump (16), the reaction raw materials in the feeder (2) is sent in the mixing tank (4), mix with preheating water; Afterwards, both enter in the reactor (5) jointly, at pressure is 20～35MPa, temperature is to gasify under 650～800 ℃ of conditions, the gasification time is 15～120 seconds, and reaction product is reduced to below 100 ℃ through water cooler (7), passes through back pressure valve (10) again and reduces to normal pressure, through gas-liquid separator (11) reaction product is separated into the gas-liquid binary states afterwards, makes gaseous product thus based on hydrogen.
After the reaction raw materials of a feeder (2) uses up, connect another and added the feeder (3) that presses and the valve between the mixing tank (4) repeats.
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