CN104192799B - High-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas device and method - Google Patents
High-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas device and method Download PDFInfo
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Abstract
The present invention relates to high-temperature metallurgical slag particulate catalytic gasified bio-matter and produce hydrogen-rich gas device and method, this device comprises downtake reactor, be located thereon and the high temperature slag particle storage vault be communicated with its top and biomass material screw feeder, be positioned at its lower and separator be communicated with bottom it and be positioned at its both sides and the vapour generator be communicated with it respectively and hydrogen-rich gas collector.The method applying this device rotates granulating device, biomass material screw feeder and vapour generator respectively by slag and add pyrometallurgy solid impurity particle, biomass material and water vapour in decline pipe reactor; make biomass material generating gasification reaction under the catalysis of pyrometallurgy solid impurity particle, generate hydrogen-rich gas and be stored in hydrogen-rich gas collector.The waste heat of metallurgical slag is recycled with the form of chemical energy by the method, has higher waste heat recovery rate, solves the problem that the metallurgical slag dry process process waste rate of recovery is low, recovery quality is low.
Description
Technical field
The present invention relates to metallurgical engineering, Energy conversion and environmental protection and energy saving field, relate generally to utilize metallurgical process energy-saving and emission-reduction, biomass energy conversion, particularly a kind of high-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas device and method.
Background technology
Metallurgical industry is the mainstay industry of Chinese national economy development, is also high energy consumption, high pollution, maximum discharge rich and influential family, faces severe energy-saving and emission-reduction pressure.Wherein, metallurgical cinder is the main waste discharged in metal, alloy smelting process, the slag not only enormous amount of discharge, and contains abundant high-quality heat.Such as, the slag that 1 ton of pig iron will discharge about 350kg often smelted by blast furnace, often produces the slag that 1 ton of ferronickel discharges about 30 tons, also will discharge a large amount of slag in converter steelmaking and other ferroalloy smelting.The exhaust temperature of these slags is at 1400 ~ 1700 DEG C, and the sensible heat that slag per ton contains about is equivalent to 1.5GJ.Therefore, rationally reclaim pyrometallurgy melting slag waste heat smelting cost is reduced for metallurgy industry and energy-saving and emission-reduction significant.
At present, the process for metallurgical cinder mainly contains Water Quenching technique and dry process technique.Water Quenching technique is exactly adopt the mode of flush slag to make slag cool the method obtaining vitrifying slag fast, as the starting material producing cement after the shrend glass dregs drying process obtained.But mainly there is following problem in this technique: only focusing on is used slag as a kind of resource does not reclaim completely to the heat that it contains; Treating processes needs to consume a large amount of new water, processes 1 ton of about water consumption of slag 0.62 ~ 0.95 ton; Sulfide in water vapor and slag reacts and very easily produces H
2s, SO
2deng obnoxious flavour; The grain slag obtained is loose porous, water content is high, and utilizing further needs to carry out processed, consumed energy.Dry process technique is when not consuming water, adopts the form of mechanical energy to be granulated slag, and then the method adopting the heat-eliminating mediums such as air to reclaim slag particle waste heat.But this technique mainly adopts physical medium to reclaim slag particle waste heat, and Energy conversion number of times is more, the waste heat quality of recovery is lower, and organic efficiency is poor.
Biomass energy is the 4th large energy being only second to oil, coal and Sweet natural gas, it is estimated that the total amount of the biomass energy of annual growth on the earth is about equivalent to 10 times of total energy consumption on our times.Along with the day by day deficient of fossil oil and its utilizing the environmental problem caused in process increasingly severe, biomass energy obtains extensive concern as a kind of clean, reproducible alternate resources.At present, in the Land use systems of biomass, Wood Adhesives from Biomass lower for energy resource density can be gas, the biomass wet goods material of high energy gamma source density by materializing strategy mode.But materializing procedure is thermo-negative reaction, need outside to provide heat, simultaneously in catalytic gasification process, catalyst surface carbon distribution makes catalyzer inactivation gradually.
Summary of the invention
For the problems referred to above that prior art exists; the object of this invention is to provide a kind of pyrometallurgy solid impurity particle as thermal barrier catalytic gasification biomass-making for the method for hydrogen-rich gas and device; its by high-temperature metallurgy slag particles that slag dry granulation is obtained as thermal barrier and catalyzer; pass into steam gasification biomass and produce hydrogen-rich gas; effectively to solve the problems such as existing dry process slag process waste organic efficiency is poor, quality is low, and solid thermal carriers gasification needs the problem of outside heat supply and the easy carbon distribution inactivation of catalyzer.
For achieving the above object, the present invention adopts following technical scheme: high-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas device, it is characterized in that: comprise slag and rotate granulating device, high temperature slag particle storage vault, downtake reactor, vapour generator, biomass material screw feeder, separator and hydrogen-rich gas collector;
Described high temperature slag particle storage vault and biomass material screw feeder lay respectively at the top of downtake reactor, and described separator is positioned at the below of downtake reactor, and described vapour generator and hydrogen-rich gas collector lay respectively at the both sides of downtake reactor;
Described slag rotates in granulating device and is provided with granulation slag particle sieve, slag is rotated granulating device and is divided into two parts by described granulation slag particle sieve, what be positioned at granulation slag particle sieve below is slag particle collector, and the part being positioned at granulation slag particle sieve top is communicated with the top of high temperature slag particle storage vault;
The bottom of described high temperature slag particle storage vault is communicated with the top of downtake reactor by the import of high temperature slag particle,
The biomass material outlet of described biomass material screw feeder is communicated with the top of downtake reactor, and the biomass material import of biomass material screw feeder is communicated with the bottom of biomass material storage vault;
The steam outlet of described vapour generator is communicated with the below of downtake reactor, and the inlet mouth of described hydrogen-rich gas collector is communicated with the top of downtake reactor;
Cooling slag particle biomass carbon residue separator is provided with in described separator, separator is divided into upper and lower two parts by described cooling slag particle biomass carbon residue separator, wherein top is divided into cooling slag particle collector, bottom is divided into pyrolysis biomass carbon residue collector, and the top of described cooling slag particle collector is communicated with the below of downtake reactor
As optimization, the bottom of described high temperature slag particle storage vault and the connectivity part of high temperature slag particle import are provided with traffic controller.
As optimization, the top of described downtake reactor has water vapour import, and the steam outlet of described vapour generator passes through the water vapour inlet communication of the below of water vapour inlet pipe and downtake reactor, and described water vapour inlet pipe is provided with under meter.
The top of described downtake reactor also has hydrogen-rich gas outlet, the inlet mouth of described hydrogen-rich gas collector passes through the hydrogen-rich gas outlet of the top of hydrogen-rich gas escape pipe and downtake reactor, and described hydrogen-rich gas escape pipe is provided with gas purifier.
As optimization, adopt high-temperature metallurgical slag particulate catalytic gasified bio-matter described above to produce hydrogen-rich gas device, concrete steps are as follows:
1) biomass material is carried out sufficient pre-treatment, comprise drying and pulverizing, make biomass material water ratio lower than 10%, biological particles granularity is less than 1mm, then biomass material is put into biomass material storage vault;
2) will rotate the process of granulating device through slag, the particle diameter high-temperature metallurgy slag particles be positioned between 2 ~ 7mm enters high temperature slag particle storage vault 5;
3) regulate high-temperature metallurgy slag particles to enter the flow of downtake reactor by adjusting the traffic controller being arranged on the bottom of high temperature slag particle storage vault and the connectivity part of high temperature slag particle import, high-temperature metallurgy slag particles is stablized, is entered downtake reactor 1 equably;
4) open biomass material screw feeder, make biomass material fall in downtake reactor equably, biomass material collides with the high-temperature metallurgy slag particles fallen and carries out heat exchange in decline process, and biomass material is heated generation pyrolysis;
5) open vapour generator, the flow of modulation under meter, the water vapour entering downtake reactor is heated by high-temperature metallurgy slag particles in uphill process, and the gas and vapor permeation generating gasification produced with biomass material pyrolysis is reacted;
6) enter hydrogen-rich gas collector after the hydrogen-rich gas that gasification reaction produces carries out purifying treatment by hydrogen-rich gas escape pipe and the gas purifier be arranged on hydrogen-rich gas escape pipe, be recovered;
Biomass carbon residue mixture after cooled high-temperature metallurgy slag particles and pyrolytic reaction enters in separator, under the effect of cooling slag particle biomass carbon residue separator, the two is separated, described biomass carbon residue enters pyrolysis biomass carbon residue collector, and cooled high-temperature metallurgy slag particles enters cooling slag particle collector.
As optimization, in described step 4), the flow velocity of biomass material speed and high-temperature metallurgy slag particles of giving of biomass material screw feeder adjusts in the ratio of 3 ~ 5:1.
As optimization, when the gas yield of described biomass fast pyrogenation process is about 40-60%, the flow of water vapour described in step 5) and the delivery rate of biomass material pass in the ratio of 1:2.
Relative to prior art, tool of the present invention has the following advantages:
1. high-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas apparatus structure simply, produces and implements and use operation comparatively easy, be suitable for industrial application.
2. present method utilizes high-temperature metallurgy slag particles as thermal barrier gasified bio-matter, the waste heat of metallurgical slag is recycled with the form of chemical energy, the two level-density parameter is better, and there is higher waste heat recovery rate, solve the problem that the metallurgical slag dry process process waste rate of recovery is low, recovery quality is low.
3. provide thermal source as thermal barrier for biomass material gasification using high-temperature metallurgy slag particles, avoid the secondary energy consumption problem of biomass material gasification process, the thing phase composite of high-temperature metallurgy slag particles simultaneously can become the catalyzer of biomass material gasification.Pyrometallurgy solid impurity particle is continuous moving in downtake reactor, also avoid the problem of the area carbon inactivation of catalyzer.Pyrometallurgy solid impurity particle is just as thermal barrier and catalyzer in addition, and it neither participates in chemical reaction, and self structure also can not change to some extent, can not affect it and further utilize.
4. the gaseous product hydrogen content of present method gained is high, can as high energy value chemical energy product second stage employ in addition.
Accompanying drawing explanation
Fig. 1 is the structural representation that in embodiment 1, high-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas device.
In figure, 1---slag rotates granulating device; 2---granulation slag particle sieve; 3---slag particle collector; 4---slag particle passage; 5---high temperature slag particle storage vault; 6---slag particle traffic controller; 7---the import of high temperature slag particle; 8---water vapour inlet pipe; 9---under meter; 10---vapour generator; 11---downtake reactor; 12---biomass material storage vault; 13---biomass material screw feeder; 14---biomass material transfer lime; 15---hydrogen-rich gas escape pipe; 16---gas purifier; 17---hydrogen-rich gas receiving flask; 18---cooling slag particle collector; 19---cooling slag particle biomass carbon residue separator; 20---pyrolysis biomass carbon residue collector.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
embodiment 1:see Fig. 1; high-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas device, comprises slag and rotates granulating device 1, high temperature slag particle storage vault 5, downtake reactor 11, vapour generator 10, biomass material screw feeder 13, separator and hydrogen-rich gas collector 17.
High temperature slag particle storage vault 5 and biomass material screw feeder 13 lay respectively at the top of downtake reactor 11, and separator is positioned at the below of downtake reactor 11, and vapour generator 10 and hydrogen-rich gas collector 17 lay respectively at the both sides of downtake reactor 11; Slag rotates in granulating device 1 and is provided with granulation slag particle sieve 2; slag is rotated granulating device 1 and is divided into two parts by granulation slag particle sieve 2; be positioned at below granulation slag particle sieve 2 for slag particle collector 3, the part be positioned at above granulation slag particle sieve 2 is communicated with the top of high temperature slag particle storage vault 5.Particularly, slag rotated by slag particle passage 4 part that granulating device 1 is positioned at above granulation slag particle sieve 2 to be communicated with the top of high temperature slag particle storage vault 5.
Slag rotates granulating device 1 can adopt prior art, can adopt application number 201410185685 particularly, structure disclosed in the application documents that name is called a kind of metallurgical cinder dry granulation waste-heat recovery device and method.
The bottom of high temperature slag particle storage vault 5 is communicated with the top of downtake reactor 11 by high temperature slag particle import 7, entering the flow velocity of downtake reactor 11 for the ease of controlling high-temperature metallurgy slag particles better, being provided with traffic controller 6 in the connectivity part of the bottom of high temperature slag particle storage vault 5 and high temperature slag particle import 7.The biomass material outlet of biomass material screw feeder 13 is communicated with by the top of biomass material transfer lime 14 with downtake reactor 11, and the biomass material import of biomass material screw feeder 13 is communicated with the bottom of biomass material storage vault 12.
The steam outlet of vapour generator 10 is communicated with the below of downtake reactor 11, and the inlet mouth of hydrogen-rich gas collector 17 is communicated with the top of downtake reactor 11; Particularly, the top of downtake reactor 11 has water vapour import, the steam outlet of vapour generator 10 is by the water vapour inlet communication of water vapour inlet pipe 8 with the below of downtake reactor 11, water vapour inlet pipe 8 is provided with under meter 9, is convenient to better control and enters the vapor flow that downtake reactor 11 participates in reaction; The top of downtake reactor 11 also has hydrogen-rich gas outlet, the inlet mouth of described hydrogen-rich gas collector 17, by the hydrogen-rich gas outlet of hydrogen-rich gas escape pipe 15 with the top of downtake reactor 11, described hydrogen-rich gas escape pipe 15 is provided with gas purifier 16.
Cooling slag particle biomass carbon residue separator 19 is provided with in separator, separator is divided into upper and lower two parts by cooling slag particle biomass carbon residue separator 19, wherein top is divided into cooling slag particle collector 18, bottom is divided into pyrolysis biomass carbon residue collector 20, and the top of described cooling slag particle collector 18 is communicated with the below of downtake reactor 11.
embodiment 2:high-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas method, and adopt high-temperature metallurgical slag particulate catalytic gasified bio-matter described in embodiment 1 to produce hydrogen-rich gas device, concrete steps are as follows:
1) biomass material is carried out sufficient pre-treatment, comprise drying and pulverizing, make biomass material water ratio lower than 10%, biological particles granularity is less than 1mm, then biomass material is put into biomass material storage vault 12.
2) will rotate the process of granulating device 1 through slag, the particle diameter high-temperature metallurgy slag particles be positioned between 2 ~ 7mm enters high temperature slag particle storage vault 5, and be convenient to being separated of biomass carbon residue and high-temperature metallurgy slag particles, the temperature of high-temperature metallurgy slag particles is 700 ~ 900 DEG C.Rotate through slag that the high-temperature metallurgy slag particles particle diameter of process of granulating device 1 is little enters slag particle collector 3 with 2mm, what particle diameter was more than or equal to 2mm enters downtake reactor 11.
3) regulate high-temperature metallurgy slag particles to enter the flow of downtake reactor 11 by adjusting the traffic controller 6 being arranged on the bottom of high temperature slag particle storage vault 5 and the connectivity part of high temperature slag particle import 7, high-temperature metallurgy slag particles is stablized, is entered downtake reactor 11 equably; The uninterrupted of the high-temperature metallurgy slag particles of the adjustment of traffic controller and the height of downtake reactor, diameter are relevant.
4) open biomass material screw feeder 13, make biomass material fall in downtake reactor 11 equably, biomass material collides with the high-temperature metallurgy slag particles fallen and carries out heat exchange in decline process, and biomass material is heated generation pyrolysis; In described step 4), the flow velocity of biomass material speed and high-temperature metallurgy slag particles of giving of biomass material screw feeder 13 adjusts in the ratio of 3 ~ 5:1,
5) open vapour generator 10, the flow of modulation under meter 9, the water vapour entering downtake reactor 11 is heated by high-temperature metallurgy slag particles in uphill process, and the gas and vapor permeation generating gasification produced with biomass material pyrolysis is reacted; The gas yield of biomass fast pyrogenation process is about 40%---when 60%, (when specifically implementing, 40% can be selected according to practical situation, 45%, 50%, 55%, 60%) described in step 5), the flow of water vapour and the delivery rate of biomass material pass in the ratio of 1:2.
6) enter hydrogen-rich gas collector 17 after the hydrogen-rich gas that gasification reaction produces carries out purifying treatment by hydrogen-rich gas escape pipe 15 and the gas purifier 16 be arranged on hydrogen-rich gas escape pipe 15, be recovered;
7) the biomass carbon residue mixture after cooled high-temperature metallurgy slag particles and pyrolytic reaction enters in separator, under the effect of cooling slag particle biomass carbon residue separator 19, the two is separated, described biomass carbon residue enters pyrolysis biomass carbon residue collector 20, and cooled high-temperature metallurgy slag particles enters cooling slag particle collector 18.
principle of work is as follows:
Be granulated the high-temperature metallurgy slag particles obtained and enter downtake reactor by rotating granulating device process through slag uniformly through traffic controller; make to be full of a certain amount of high-temperature metallurgy slag particles in downtake reactor; start biomass material screw feeder simultaneously; by treated biomass material by certain stability of flow, equably feeding downtake reactor, in addition water vapour is passed into downtake reactor by certain flow from downtake reactor lower part.The metallurgical slag particle of high temperature and biomass material mix collision in downtake reactor, two kinds of materials fully carry out heat exchange, heat scission reaction is there is in biomass material after absorbing the heat of high-temperature metallurgy slag particles, the pyrolysis gas generated mixes with the water vapour passed into, under the heating and katalysis of high-temperature metallurgy slag particles, generating gasification is reacted, generate a large amount of hydrogen-rich gas and enter hydrogen-rich gas collector, utilize the centrifugation of cooling slag particle biomass carbon residue separator that the biomass carbon residue after pyrolytic gasification is separated with cooled high-temperature metallurgy slag particles, biomass carbon residue after separation enters separator bottom and pyrolysis biomass carbon residue collector, namely the top that the high-temperature metallurgy slag particles cooled then enters separator cool slag particle collector.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. high-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas device, it is characterized in that: comprise slag and rotate granulating device (1), high temperature slag particle storage vault (5), downtake reactor (11), vapour generator (10), biomass material screw feeder (13), separator and hydrogen-rich gas collector (17);
Described high temperature slag particle storage vault (5) and biomass material screw feeder (13) lay respectively at the top of downtake reactor (11), described separator is positioned at the below of downtake reactor (11), and described vapour generator (10) and hydrogen-rich gas collector (17) lay respectively at the both sides of downtake reactor (11);
Described slag rotates in granulating device (1) and is provided with granulation slag particle sieve (2), slag is rotated granulating device (1) and is divided into two parts by described granulation slag particle sieve (2), what be positioned at granulation slag particle sieve (2) below is slag particle collector (3), and the part being positioned at granulation slag particle sieve (2) top is communicated with the top of high temperature slag particle storage vault (5);
The bottom of described high temperature slag particle storage vault (5) is communicated with the top of downtake reactor (11) by high temperature slag particle import (7),
The biomass material outlet of described biomass material screw feeder (13) is communicated with the top of downtake reactor (11), and the biomass material import of biomass material screw feeder (13) is communicated with the bottom of biomass material storage vault (12);
The steam outlet of described vapour generator (10) is communicated with the below of downtake reactor (11), and the inlet mouth of described hydrogen-rich gas collector (17) is communicated with the top of downtake reactor (11);
Cooling slag particle biomass carbon residue separator (19) is provided with in described separator, separator is divided into upper and lower two parts by described cooling slag particle biomass carbon residue separator (19), wherein top is divided into cooling slag particle collector (18), bottom is divided into pyrolysis biomass carbon residue collector (20), and the top of described cooling slag particle collector (18) is communicated with the below of downtake reactor (11).
2. high-temperature metallurgical slag particulate catalytic gasified bio-matter as claimed in claim 1 produces hydrogen-rich gas device, it is characterized in that: the bottom of described high temperature slag particle storage vault (5) and the connectivity part of high temperature slag particle import (7) are provided with traffic controller (6).
3. high-temperature metallurgical slag particulate catalytic gasified bio-matter as claimed in claim 1 or 2 produces hydrogen-rich gas device, it is characterized in that: the top of described downtake reactor (11) has water vapour import, the steam outlet of described vapour generator (10) is by the water vapour inlet communication of water vapour inlet pipe (8) with the below of downtake reactor (11), and described water vapour inlet pipe (8) is provided with under meter (9).
4. high-temperature metallurgical slag particulate catalytic gasified bio-matter as claimed in claim 3 produces hydrogen-rich gas device, it is characterized in that:
The top of described downtake reactor (11) also has hydrogen-rich gas outlet, the inlet mouth of described hydrogen-rich gas collector (17), by the hydrogen-rich gas outlet of hydrogen-rich gas escape pipe (15) with the top of downtake reactor (11), described hydrogen-rich gas escape pipe (15) is provided with gas purifier (16).
5. high-temperature metallurgical slag particulate catalytic gasified bio-matter produces hydrogen-rich gas method, it is characterized in that: adopt high-temperature metallurgical slag particulate catalytic gasified bio-matter according to claim 3 to produce hydrogen-rich gas device, concrete steps are as follows:
Biomass material is carried out sufficient pre-treatment by step 1), comprises drying and pulverizing, and make biomass material water ratio lower than 10%, biological particles granularity is less than 1mm, then biomass material is put into biomass material storage vault (12);
Step 2) process of granulating device (1) will be rotated through slag, the particle diameter high-temperature metallurgy slag particles be positioned between 2 ~ 7mm enters high temperature slag particle storage vault (5);
The traffic controller (6) that step 3) is arranged on the bottom of high temperature slag particle storage vault (5) and the connectivity part of high temperature slag particle import (7) by adjustment regulates high-temperature metallurgy slag particles to enter the flow of downtake reactor (11), and high-temperature metallurgy slag particles is stablized, entered downtake reactor (11) equably;
Step 4) opens biomass material screw feeder (13), biomass material is made to fall in downtake reactor (11) equably, biomass material collides with the high-temperature metallurgy slag particles fallen and carries out heat exchange in decline process, and biomass material is heated generation pyrolysis;
Step 5) opens vapour generator (10), the flow of modulation under meter (9), and the water vapour entering downtake reactor (11) is heated by high-temperature metallurgy slag particles in uphill process, and the gas and vapor permeation generating gasification produced with biomass material pyrolysis is reacted;
The hydrogen-rich gas that step 6) gasification reaction produces enters hydrogen-rich gas collector (17) after carrying out purifying treatment by hydrogen-rich gas escape pipe (15) and the gas purifier (16) be arranged on hydrogen-rich gas escape pipe (15), is recovered;
Biomass carbon residue mixture after the cooled high-temperature metallurgy slag particles of step 7) and pyrolytic reaction enters in separator, under the effect of cooling slag particle biomass carbon residue separator (19), the two is separated, described biomass carbon residue enters pyrolysis biomass carbon residue collector (20), and cooled high-temperature metallurgy slag particles enters cooling slag particle collector (18).
6. high-temperature metallurgical slag particulate catalytic gasified bio-matter as claimed in claim 5 produces hydrogen-rich gas method, it is characterized in that: in described step 4), biomass material screw feeder (13) adjusts in the ratio of 3 ~ 5:1 to the flow velocity of biomass material speed and high-temperature metallurgy slag particles.
7. high-temperature metallurgical slag particulate catalytic gasified bio-matter as claimed in claim 5 produces hydrogen-rich gas method, it is characterized in that: when described biomass material is heated that the gas yield of pyrolysis occurs is 40-60%, the flow of water vapour described in step 5) and the delivery rate of biomass material pass in the ratio of 1:2.
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| CN105802656B (en) * | 2016-05-05 | 2017-06-09 | 青岛理工大学 | One kind utilizes blast furnace slag waste heat catalytic pyrolysis junked tire oil gas co-production technology |
| CN107760383A (en) * | 2017-11-13 | 2018-03-06 | 中国矿业大学(北京) | Blast furnace slag waste heat catalytic pyrolysis biomass gas technology |
| CN113772626B (en) * | 2021-08-25 | 2022-12-20 | 上海驰春节能科技有限公司 | Device and method for preparing green hydrogen by reforming carbon dioxide and methane by using liquid metallurgical slag for heat supply |
| KR102618893B1 (en) * | 2021-12-13 | 2024-01-02 | 김지완 | Appratus for extracting hydrogen using steam |
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