CN106698340A - Hydrogen production system and method utilizing garbage - Google Patents

Hydrogen production system and method utilizing garbage Download PDF

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Publication number
CN106698340A
CN106698340A CN201611122922.5A CN201611122922A CN106698340A CN 106698340 A CN106698340 A CN 106698340A CN 201611122922 A CN201611122922 A CN 201611122922A CN 106698340 A CN106698340 A CN 106698340A
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CN
China
Prior art keywords
oil
gas
cracking
hydrogen
pyrolysis
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CN201611122922.5A
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Chinese (zh)
Inventor
蔡先明
肖磊
张安强
贾懿曼
任浩华
吴道洪
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Beijing Shenwu Environmental and Energy Technology Co Ltd
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Beijing Shenwu Environmental and Energy Technology Co Ltd
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Priority to CN201611122922.5A priority Critical patent/CN106698340A/en
Publication of CN106698340A publication Critical patent/CN106698340A/en
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/56Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/80Compositional purity
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Abstract

The invention discloses a hydrogen production system and method utilizing garbage. The system comprises a pyrolysis device provided with a garbage inlet, a high-temperature oil gas outlet and a pyrolytic carbon outlet, a cooling and purifying device provided with a cooling water inlet, a high-temperature oil gas inlet, a purified pyrolysis gas outlet and an oil-water mixture outlet, an oil-water separating device provided with an oil-water mixture inlet, a light oil outlet, a heavy oil outlet and a water outlet, a cracking device provided with a purified pyrolysis gas inlet, a pyrolysis oil inlet and a cracked gas outlet, a residual heat recovery device provided with a heat conducting oil inlet, a hydrogen-containing cracked gas inlet, an after-heat-exchange heat conducting oil outlet and an after-heat-exchange cracked gas outlet, a cracked gas purifying device provided with an after-heat-exchange cracked gas inlet and an after-heat-exchange cracked gas outlet, and a hydrogen separating and purifying device provided with a mixed gas inlet, a hydrogen outlet and a tail gas outlet. The system can convert garbage into hydrogen energy high in combustion value, the hydrogen yield is up to 90% or above, and the purity is up to 99% or above.

Description

The system and method for rubbish hydrogen manufacturing
Technical field
The invention belongs to the energy and chemical technology field, specifically, the present invention relates to the system and method for rubbish hydrogen manufacturing.
Background technology
With the scarcity of the exhausted and market supply of fossil energy, seek new energy as appointing that the mankind currently make joint efforts One of business.Hydrogen Energy is generally acknowledged clean energy resource, and it most promises to be the clean energy resource that the 21 century mankind are sought for, and people are to hydrogen The development and application of energy are sent in great enthusiasm and hope.Hydrogen has combustion heat value high, and its combustion product is water, will not bring environment Pollution;Chemical energy is converted directly into electric energy by hydrogen by fuel cell;The resource of hydrogen is extremely enriched, inexhaustible, nexhaustible. But expectation is come true, people will also solve many problems:How to produce a large amount of, cheap hydrogen is topmost one Individual problem.
In addition, with the fast development of Chinese Urbanization, generation is also in growing day by day, the environment of garbage-surrounded city Present situation is increasingly serious, and the living environment to the mankind causes baneful influence.How house refuse is dealt carefully with, turned waste into wealth, it is real Innoxious, the recycling treatment of existing rubbish become a problem urgently to be resolved hurrily.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, of the invention One purpose is to propose a kind of system and method for rubbish hydrogen manufacturing, uses the system to convert garbage into as combustion heat value is high Hydrogen energy source, and hydrogen yield up to more than 90%, purity up to more than 99%, so as to realize fixed-end forces and new energy development The doulbe-sides' victory effect for utilizing, while because raw material sources are wide, low production cost, with economy higher.
In one aspect of the invention, the present invention proposes a kind of system of rubbish hydrogen manufacturing, embodiments in accordance with the present invention, The system includes:
There is pyrolysis installation, the pyrolysis installation garbage inlet, high-temperature oil gas outlet and pyrolytic carbon to export;
There are cooling purifying device, the cooling purifying device cooling water inlet, high-temperature oil gas entrance, purification pyrolysis gas to go out Mouth and oil water mixture outlet, the high-temperature oil gas entrance are connected with high-temperature oil gas outlet;
Oily-water seperating equipment, the oily-water seperating equipment has oil water mixture entrance, lightweight oil export, heavy oil export And water out, the outlet of the oil water mixture entrance and the oil water mixture is connected, and the water out enters with the cooling water Mouth is connected, and the bottom setting electrical heating dress in the oily-water seperating equipment, and the oily-water seperating equipment outside winds preheating Device;
There are pyrolysis gas cracking room and pyrolysis oil cracking room, and the pyrolysis gas in cracker, the cracker Gas fired radiant tubes and catalyst are respectively disposed with cracking room and the pyrolysis oil cracking room, the pyrolysis gas cracking room has net Change pyrolysis gas entrance and the outlet of the first cracking gas containing hydrogen, purification pyrolysis gas entrance and the purification pyrolysis gas outlet It is connected, the pyrolysis oil cracking room has pyrolysis oil-in and the outlet of the second cracking gas containing hydrogen, the pyrolysis oil-in It is connected with the lightweight oil export and the heavy oil export respectively, and the pyrolysis oil porch is provided with atomizer;
Waste-heat recovery device, the waste-heat recovery device has heat conduction oil-in, the cracking gas entrance containing hydrogen, heat exchange Cracking gas outlet after conduction oil outlet and heat exchange afterwards, the cracking gas entrance containing hydrogen is respectively with described containing hydrogen the One cracking gas is exported and is connected with the second cracking gas outlet containing hydrogen, conduction oil outlet and the preheating after the heat exchange Device is connected;
There is cracking air purifying apparatus, the cracking air purifying apparatus cracking gas entrance and purification cracking gas to export, described Cracking gas entrance is connected with cracking gas outlet after the heat exchange, and the cracking air purifying apparatus are disposed with adsorbent;
There is Hydrogen Separation purifying plant, the Hydrogen Separation purifying plant gaseous mixture entrance, hydrogen outlet and tail gas to go out Mouthful, the gaseous mixture entrance is connected with the purification cracking gas outlet.
Thus, rubbish hydrogen generating system according to embodiments of the present invention is by the high-temperature oil gas that will be obtained during refuse pyrolysis Processed through cooling and purifying, it is possible to achieve the separation of pyrolysis gas, the oil water mixture supply that then will be obtained during cooling and purifying The separating treatment into oily-water seperating equipment, can be with isolated light oil and mink cell focus, and by oily-water seperating equipment Bottom set and electric heater unit and preheater wound outside it, be remarkably improved water-oil separating in oily-water seperating equipment , then be respectively fed in cracker for isolated purification pyrolysis gas and pyrolysis oil (light oil and mink cell focus) by efficiency Pyrolysis gas cracking room and pyrolysis oil cracking room carry out cracking treatment, can obtain the cracking gas containing hydrogen, so as to not only solve Light oil and mink cell focus blocking pipeline, the problems such as produce carbon distribution, be difficult by, while by the pyrolysis in pyrolysis oil cracking room Atomizer is provided with oil-in, the lysis efficiency of pyrolysis oil cracking room is remarkably improved, so as to improve hydrogen in gained cracking gas The content of gas, while gained cracking gas is carried out through waste-heat recovery device to preheat conduction oil, and by the heat conduction after preheating Oil supply to the preheater in oily-water seperating equipment is used as heating medium, and conduction oil is because in waste-heat recovery device after heat exchange Exchanged heat with the cracking gas containing hydrogen, temperature is higher, such that it is able to provide heat energy to oily-water seperating equipment, thus can be shown Writing reduces electrically heated energy consumption in oily-water seperating equipment, and the cracking gas after secondly just exchanging heat is successively through cracking air purifying apparatus and hydrogen Qi leel is processed from purifying plant, is remarkably improved the purity of hydrogen.Thus, it is combustion to use the system and can convert garbage into Heat value hydrogen energy source high, and hydrogen yield up to more than 90%, purity up to more than 99%, so as to realize fixed-end forces with it is new The doulbe-sides' victory effect of energy exploitation and application, while because raw material sources are wide, low production cost, with economy higher.
In addition, rubbish hydrogen generating system according to the above embodiment of the present invention, can also have following additional technical characteristic:
In some embodiments of the invention, the pyrolysis installation is moving bed pyrolysis stove.Thus, pyrolytic process can be avoided The problem of middle generation flying dust.
In some embodiments of the invention, the Hydrogen Separation purifying plant is hydrogen pressure-swing absorber, the hydrogen Pressure-swing absorber includes multiple adsorbent beds in parallel.Thus, the yield and purity of hydrogen are remarkably improved.
In another aspect of the invention, the present invention proposes a kind of method of rubbish hydrogen manufacturing, implementation of the invention Example, the method includes:
(1) supplying rubbish carries out pyrolysis processing into the pyrolysis installation, to obtain high-temperature oil gas and pyrolytic carbon;
(2) supply the high-temperature oil gas carries out cooling and purifying treatment into the cooling purifying device with cooling water, with Just pyrolysis gas and oil water mixture are purified;
(3) supplying the oil water mixture carries out water-oil separating treatment into the oily-water seperating equipment, to obtain Light oil, water and mink cell focus, and the water return cooling purifying device is used as the cooling water;
(4) the purification pyrolysis gas are supplied into the pyrolysis gas cracking room into the cracker and cracking reaction occurs, with Just the first cracking gas containing hydrogen is obtained, the light oil and the mink cell focus is supplied the pyrolysis into the cracker There is cracking reaction in oil-breaking room, to obtain the second cracking gas containing hydrogen;
(5) first cracking gas containing hydrogen and second cracking gas containing hydrogen are supplied to the waste heat Heat exchange treatment is carried out with conduction oil in retracting device, so as to cracking gas after conduction oil after being exchanged heat and heat exchange, and is changed described Conduction oil supplies the preheater into the oily-water seperating equipment after heat;
(6) supply cracking gas after the heat exchange carries out purified treatment into the cracking air purifying apparatus, to obtain Purification cracking gas;
(7) supply the purification cracking gas carries out separating-purifying treatment into the Hydrogen Separation purifying plant, so as to Obtain hydrogen and tail gas.
Thus, the method for rubbish hydrogen manufacturing according to embodiments of the present invention is by the high temperature oil that will be obtained during refuse pyrolysis Gas is processed through cooling and purifying, it is possible to achieve the separation of pyrolysis gas, and the oil water mixture that then will be obtained during cooling and purifying is supplied To separating treatment in oily-water seperating equipment, can be with isolated light oil and mink cell focus, and by oily-water seperating equipment Interior bottom sets electric heater unit and preheater is wound outside it, is remarkably improved water-oil separating in oily-water seperating equipment Efficiency, then by it is isolated purification pyrolysis gas and pyrolysis oil (light oil and mink cell focus) be respectively fed in cracker Pyrolysis gas cracking room and pyrolysis oil cracking room carry out cracking treatment, the cracking gas containing hydrogen can be obtained, so as to not only solve Determined light oil and mink cell focus blocking pipeline, the problems such as produce carbon distribution, be difficult by, while by the heat in pyrolysis oil cracking room Xie Yourukouchu is provided with atomizer, is remarkably improved the lysis efficiency of pyrolysis oil cracking room, so that in improving gained cracking gas The content of hydrogen, while gained cracking gas is carried out through waste-heat recovery device to preheat conduction oil, and by preheating after lead The preheater that deep fat is supplied into oily-water seperating equipment is used as heating medium, and conduction oil is because in waste-heat recovery device after heat exchange In exchanged heat with the cracking gas containing hydrogen, temperature is higher, such that it is able to give oily-water seperating equipment provide heat energy, thus may be used Significantly reduce electrically heated energy consumption in oily-water seperating equipment, secondly just exchange heat after cracking gas successively through crack air purifying apparatus and Hydrogen Separation purifying plant is processed, and is remarkably improved the purity of hydrogen.Thus, use the method and can convert garbage into for Combustion heat value hydrogen energy source high, and hydrogen yield up to more than 90%, purity up to more than 99%, so as to realize fixed-end forces with The doulbe-sides' victory effect that new energy development is utilized, while because raw material sources are wide, low production cost, with economy higher.
In addition, the method for rubbish hydrogen manufacturing according to the above embodiment of the present invention can also have following additional technology special Levy:
In some embodiments of the invention, in step (1), the temperature of the pyrolysis processing is 800~1000 Celsius Degree, the time is 2~4 hours.Thus, it is remarkably improved the pyrolysis efficiency of rubbish.
In some embodiments of the invention, in step (2), it is Celsius that the temperature of the oil water mixture is not higher than 100 Degree.
In some embodiments of the invention, in step (3), the temperature of the oil water mixture in the oily-water seperating equipment Degree is not less than 80 degrees Celsius.Thus, it is possible to significantly improve water-oil separating efficiency.
In some embodiments of the invention, in step (4), the pyrolysis gas cracking room and the pyrolysis oil cracking room In cracking temperature separately be 900~1000 degrees Celsius, cracking pressure separately be 1.5~1.7MPa, cracking Time is separately 5~10 seconds.Thus, it is possible to significantly improve the yield of hydrogen.
In some embodiments of the invention, in step (5), the temperature of cracking gas is not higher than 100 and takes the photograph after the heat exchange Family name's degree.
In some embodiments of the invention, in step (7), the Hydrogen Separation purifying plant is hydrogen pressure-variable adsorption Tower, the hydrogen pressure-swing absorber includes multiple adsorbent beds in parallel, and the adsorptive pressure of the adsorbent bed is 1~3MPa.Thus, Can further improve the yield and purity of hydrogen.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined Substantially and be readily appreciated that, wherein:
Fig. 1 is rubbish hydrogen generating system structural representation according to an embodiment of the invention;
Fig. 2 is the method flow schematic diagram of the rubbish hydrogen manufacturing according to further embodiment of the present invention;
Fig. 3 is the rubbish hydrogen generating system structural representation according to another embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally;Can be that machinery connects Connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements The connection in portion or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In one aspect of the invention, the present invention proposes a kind of rubbish hydrogen generating system.Embodiments in accordance with the present invention, ginseng Fig. 1 is examined, the system includes:Pyrolysis installation 100, cooling purifying device 200, oily-water seperating equipment 300, cracker 400, waste heat Retracting device 500, cracking air purifying apparatus 600 and Hydrogen Separation purifying plant 700.
There is embodiments in accordance with the present invention, pyrolysis installation 100 garbage inlet 101, high-temperature oil gas to export 102 and pyrolytic carbon Outlet 103, and be suitable to for above-mentioned rubbish to carry out pyrolysis processing, to obtain high-temperature oil gas and pyrolytic carbon.Thus, can be by rubbish Organic component fully be pyrolyzed out, be conducive to the recovery of follow-up hydrogen with purification.Specifically, pyrolysis installation can be moving bed Pyrolysis oven.Thus, the continuous processing of rubbish can be not only realized, and the problem of generation flying dust in pyrolytic process can be avoided.
According to still a further embodiment, the temperature and time of pyrolysis processing is not particularly restricted, this area skill Art personnel can be selected according to actual needs, a specific embodiment of the invention, and the temperature of pyrolysis processing can be with It it is 800~1000 degrees Celsius, the time can be 2~4 hours.Inventor's discovery, can significantly improve the heat of rubbish at this temperature Solution efficiency, so as to improve the yield of high-temperature oil gas.
Embodiments in accordance with the present invention, cooling purifying device 200 have cooling water inlet 201, high-temperature oil gas entrance 202, Purification pyrolysis gas outlet 203 and oil water mixture outlet 204, high-temperature oil gas entrance 202 are connected with high-temperature oil gas outlet 102, and It is suitable to that cooling and purifying treatment will be carried out to above-mentioned gained high-temperature oil gas using cooling water, it is mixed to be purified pyrolysis gas and profit Compound.Thus, the flue dust in high-temperature oil gas can be removed, and realizes purifying the separation of pyrolysis gas and oil water mixture.Specific institute The temperature for obtaining oil water mixture can be not higher than 100 degrees Celsius.
Embodiments in accordance with the present invention, oily-water seperating equipment 300 has oil water mixture entrance 301, lightweight oil export 302nd, heavy oil export 303 and water out 304, oil water mixture entrance 301 are connected with oil water mixture outlet 204, water out 304 are connected with cooling water inlet 201, and the bottom setting electric heater unit (not shown) in above-mentioned oily-water seperating equipment 300, Preheater (not shown) is also wound outside above-mentioned oily-water seperating equipment, and is suitable to carry out above-mentioned oil water mixture at water-oil separating Reason, makes to obtain light oil, water and mink cell focus, and isolated water to be returned into above-mentioned cooling purifying device as cooling water With.Inventor's discovery, preheater is wound by the bottom setting electric heater unit in oily-water seperating equipment and outside it, It is remarkably improved the efficiency of water-oil separating in oily-water seperating equipment.Specifically, the temperature of the oil water mixture in oily-water seperating equipment Degree can be not less than 80 degrees Celsius.
Embodiments in accordance with the present invention, cracker 400 has pyrolysis gas cracking room 41 and pyrolysis oil cracking room 42, and Gas fired radiant tubes and catalyst are respectively disposed with pyrolysis gas cracking room 41 and pyrolysis oil cracking room 42, pyrolysis gas cracking room 41 has There are purification pyrolysis gas entrance 411 and the first cracking gas outlet 412 containing hydrogen, purification pyrolysis gas entrance 411 is pyrolyzed with purification Gas outlet 203 is connected, and pyrolysis oil cracking room 42 has pyrolysis oil-in 421 and the outlet of the second cracking gas containing hydrogen 422, heat Solution oil-in 421 is connected with lightweight oil export 302 and heavy oil export 303 respectively, and above-mentioned pyrolysis oil porch is provided with Atomizer, and it is suitable to that above-mentioned purification pyrolysis gas are occurred into cracking reaction, to obtain the first cracking gas containing hydrogen, will be above-mentioned There is cracking reaction in light oil and above-mentioned mink cell focus, to obtain the second cracking gas containing hydrogen.Thus, by that will separate Pyrolysis gas cracking room and heat in cracker are respectively fed to purification pyrolysis gas and pyrolysis oil (light oil and mink cell focus) Solution oil-breaking room carries out cracking treatment, the cracking gas containing hydrogen can be obtained in the presence of catalyst, so as to not only solve Light oil and mink cell focus blocking pipeline, the problems such as produce carbon distribution, be difficult by, while by the pyrolysis in pyrolysis oil cracking room Atomizer is provided with oil-in, the lysis efficiency of pyrolysis oil cracking room is remarkably improved, so as to improve hydrogen in gained cracking gas The content of gas.It should be noted that those skilled in the art can be according to actual needs to catalyst particular type select Select.
According to one embodiment of present invention, in pyrolysis gas cracking room and pyrolysis oil cracking room cracking temperature, cracking pressure Power and pyrolysis time are not particularly restricted, and those skilled in the art can be selected according to actual needs, according to the present invention A specific embodiment, cracking temperature in pyrolysis gas cracking room and pyrolysis oil cracking room can separately for 900~ 1000 degrees Celsius, cracking pressure can be separately 1.5~1.7MPa, and pyrolysis time can be separately 5~10 Second.Inventor's discovery, can significantly improve the pyrolysis efficiency of pyrolysis gas and pyrolysis oil, so as to improve hydrogen under the pyrolytical condition Yield.
Embodiments in accordance with the present invention, waste-heat recovery device 500 has heat conduction oil-in 501, the cracking gas containing hydrogen Entrance 502, heat exchange after conduction oil outlet 503 and heat exchange after cracking gas outlet 504, the cracking gas entrance 502 containing hydrogen is distinguished It is connected with the first cracking gas outlet 412 containing hydrogen and the second cracking gas outlet 422 containing hydrogen, conduction oil goes out after heat exchange Mouth 503 is connected with preheater 300, and is suitable to above-mentioned the first cracking gas containing hydrogen and above-mentioned the second cracking containing hydrogen Gas carries out heat exchange treatment with above-mentioned conduction oil, so as to cracking gas after conduction oil after being exchanged heat and heat exchange, and by after above-mentioned heat exchange Conduction oil supplies the preheater into above-mentioned oily-water seperating equipment.Thus, entered through waste-heat recovery device as the cracking gas by obtained by Row conduction oil is preheated, and the preheater conduction oil after preheating supplied into oily-water seperating equipment as heating medium Use, conduction oil with the cracking gas containing hydrogen in waste-heat recovery device because being exchanged heat after heat exchange, and temperature is higher, so that Heat energy can be provided to oily-water seperating equipment, thus can significantly reduce electrically heated energy consumption in oily-water seperating equipment.Specifically, changing The temperature of cracking gas can be not higher than 100 degrees Celsius after heat.
Embodiments in accordance with the present invention, cracking gas entrance 601 is cracked with purification after cracking air purifying apparatus 600 have heat exchange Gas outlet 602, cracking gas entrance 601 is exported with cracking gas after heat exchange and 504 is connected, and is cracked air purifying apparatus and be disposed with absorption Agent, and be suitable to for cracking gas after above-mentioned heat exchange to carry out purified treatment, to be purified cracking gas.Thus, be conducive to improving back Receive the purity of hydrogen.It should be noted that those skilled in the art can be according to actual needs to adsorbent particular type enter Row selection.
Embodiments in accordance with the present invention, Hydrogen Separation purifying plant 700 has gaseous mixture entrance 701, the and of hydrogen outlet 702 Offgas outlet 703, gaseous mixture entrance 701 is connected with purification cracking gas outlet 602, and is suitable to be divided above-mentioned purification cracking gas From purification processes, to obtain hydrogen and tail gas.Thus, be conducive to reclaiming hydrogen, and improve the purity for reclaiming hydrogen.
According to one embodiment of present invention, Hydrogen Separation purifying plant can be hydrogen pressure-swing absorber, and the hydrogen Gas pressure-swing absorber includes multiple adsorbent beds in parallel.Specifically, hydrogen pressure-swing absorber using adsorbent under different partial pressures There are different adsorption capacities to adsorbate, and under certain adsorptive pressure, each component of the admixture of gas to separate The characteristic for having selection to adsorb carrys out purifying hydrogen of hydrogen.
According to still a further embodiment, the adsorptive pressure of adsorbent bed is not particularly restricted, people in the art Member can be selected according to actual needs, a specific embodiment of the invention, and the adsorptive pressure of adsorbent bed can be 1 ~3MPa.Thus, it is possible to significantly improve the rate of recovery and purity of hydrogen.
Rubbish hydrogen generating system according to embodiments of the present invention is by the high-temperature oil gas that will be obtained during refuse pyrolysis through cold But purified treatment, it is possible to achieve the separation of pyrolysis gas, then supplies to oil the oil water mixture obtained during cooling and purifying Separating treatment in water separation device, can be with isolated light oil and mink cell focus, and by the bottom in oily-water seperating equipment Portion sets electric heater unit and preheater is wound outside it, is remarkably improved the effect of water-oil separating in oily-water seperating equipment Isolated purification pyrolysis gas and pyrolysis oil (light oil and mink cell focus) are then respectively fed to the heat in cracker by rate Vent one's spleen cracking room and pyrolysis oil cracking room carries out cracking treatment, the cracking gas containing hydrogen can be obtained, so as to not only solve Light oil and mink cell focus blocking pipeline, the problems such as produce carbon distribution, be difficult by, while by the pyrolysis oil in pyrolysis oil cracking room Porch is provided with atomizer, is remarkably improved the lysis efficiency of pyrolysis oil cracking room, so as to improve hydrogen in gained cracking gas Content, while gained cracking gas is carried out through waste-heat recovery device to preheat conduction oil, and by the conduction oil after preheating Supply to the preheater in oily-water seperating equipment is used as heating medium, after heat exchange conduction oil because in waste-heat recovery device and Cracking gas containing hydrogen is exchanged heat, and temperature is higher, such that it is able to provide heat energy to oily-water seperating equipment, thus can be notable Electrically heated energy consumption in oily-water seperating equipment is reduced, the cracking gas after secondly just exchanging heat is successively through cracking air purifying apparatus and hydrogen Separating-purifying device is processed, and is remarkably improved the purity of hydrogen.Thus, it is burning to use the system and can convert garbage into Calorific value hydrogen energy source high, and hydrogen yield up to more than 90%, purity up to more than 99%, so as to realize fixed-end forces with new energy The doulbe-sides' victory effect that source develops, while because raw material sources are wide, low production cost, with economy higher.
As described above, rubbish hydrogen generating system according to embodiments of the present invention can have the advantages that selected from least one following:
Rubbish hydrogen generating system according to embodiments of the present invention provides a kind of new hydrogen production technology and method, is hydrogen Extensive use provide technical support.
Rubbish hydrogen generating system according to embodiments of the present invention connects domestic rubbish disposal with hydrogen gas production, realizes The doulbe-sides' victory effect that fixed-end forces are utilized with new energy development.
Rubbish hydrogen generating system according to embodiments of the present invention carries out catalytic pyrolysis by the oily gentle of generation is pyrolyzed, and solves Jiao The problem that oil is utilized, while also improving the yield of hydrogen, is conducive to the purification & isolation of follow-up hydrogen.
Rubbish hydrogen generating system according to embodiments of the present invention purifies the Hydrogen Separation in refuse pyrolysis gas, tail gas resource Treatment, the multipath for realizing pyrolysis gas is utilized.
The raw materials for production of rubbish hydrogen generating system according to embodiments of the present invention are house refuse, and raw material sources are wide, are produced into This is low, with economy higher.
In another aspect of the invention, the present invention proposes a kind of side using above-mentioned rubbish hydrogen generating system hydrogen making Method.Embodiments in accordance with the present invention, with reference to Fig. 2, the method includes:
S100:Rubbish is supplied into pyrolysis installation carries out pyrolysis processing
In the step, rubbish is supplied into pyrolysis installation carries out pyrolysis processing, to obtain high-temperature oil gas and pyrolytic carbon. Thus, the organic component in rubbish fully can be pyrolyzed out, is conducive to the recovery and purification of follow-up hydrogen.Specifically, pyrolysis Device can be moving bed pyrolysis stove.Thus, the continuous processing of rubbish can be not only realized, and can avoids being produced in pyrolytic process The problem of raw flying dust.
According to one embodiment of present invention, the temperature and time of pyrolysis processing is not particularly restricted, art technology Personnel can be selected according to actual needs, a specific embodiment of the invention, and the temperature of pyrolysis processing can be 800~1000 degrees Celsius, the time can be 2~4 hours.Inventor's discovery, can significantly improve the pyrolysis of rubbish at this temperature Efficiency, so as to improve the yield of high-temperature oil gas.
S200:High-temperature oil gas are supplied into cooling purifying device carries out cooling and purifying treatment with cooling water
In the step, high-temperature oil gas are supplied into cooling purifying device carries out cooling and purifying treatment with cooling water, so as to It is purified pyrolysis gas and oil water mixture.Thus, the flue dust in high-temperature oil gas can be removed, and realizes purifying pyrolysis gas and profit The separation of mixture.The temperature of specific gained oil water mixture can be not higher than 100 degrees Celsius.
S300:Oil water mixture is supplied into oily-water seperating equipment carries out water-oil separating treatment
In the step, oil water mixture is supplied into oily-water seperating equipment carries out water-oil separating treatment, light to obtain Matter oil, water and mink cell focus, and the above-mentioned water above-mentioned cooling purifying device of return is used as cooling water.Inventor has found, passes through Bottom in oily-water seperating equipment sets electric heater unit and preheater is wound outside it, is remarkably improved water-oil separating The efficiency of water-oil separating in device.Specifically, the temperature of the oil water mixture in oily-water seperating equipment can be not less than 80 Celsius Degree.
S400:The pyrolysis gas cracking room generation cracking reaction that pyrolysis gas are supplied into cracker will be purified, by light oil The pyrolysis oil cracking room into cracker being supplied with mink cell focus, cracking reaction occurs
In the step, the pyrolysis gas cracking room generation cracking reaction that pyrolysis gas are supplied into cracker will be purified, so as to The first cracking gas containing hydrogen is obtained, light oil and mink cell focus are supplied into the pyrolysis oil cracking room into cracker splits Solution reaction, to obtain the second cracking gas containing hydrogen.Thus, pyrolysis gas and pyrolysis oil are purified by by isolated The pyrolysis gas cracking room and pyrolysis oil cracking room that (light oil and mink cell focus) is respectively fed in cracker carry out cracking treatment, The cracking gas containing hydrogen can be obtained in the presence of catalyst, pipe is blocked so as to not only solve light oil and mink cell focus Road, the problems such as produce carbon distribution, be difficult by, while be provided with atomizer by the pyrolysis oil porch in pyrolysis oil cracking room, The lysis efficiency of pyrolysis oil cracking room is remarkably improved, so as to improve the content of hydrogen in gained cracking gas.It should be noted that Those skilled in the art can be according to actual needs to catalyst particular type select.
According to one embodiment of present invention, in pyrolysis gas cracking room and pyrolysis oil cracking room cracking temperature, cracking pressure Power and pyrolysis time are not particularly restricted, and those skilled in the art can be selected according to actual needs, according to the present invention A specific embodiment, cracking temperature in pyrolysis gas cracking room and pyrolysis oil cracking room can separately for 900~ 1000 degrees Celsius, cracking pressure can be separately 1.5~1.7MPa, and pyrolysis time can be separately 5~10 Second.Inventor's discovery, can significantly improve the pyrolysis efficiency of pyrolysis gas and pyrolysis oil, so as to improve hydrogen under the pyrolytical condition Yield.
S500:The first cracking gas containing hydrogen and the second cracking gas containing hydrogen are supplied into waste-heat recovery device Heat exchange treatment is carried out with conduction oil
In the step, the first cracking gas containing hydrogen and the second cracking gas containing hydrogen are supplied to waste heat recovery dress Heat exchange treatment is carried out with conduction oil in putting, so as to cracking gas after conduction oil after being exchanged heat and heat exchange, and will be led after above-mentioned heat exchange Deep fat supplies the preheater into above-mentioned oily-water seperating equipment.Thus, carried out through waste-heat recovery device as the cracking gas by obtained by Conduction oil is preheated, and the preheater conduction oil after preheating supplied into oily-water seperating equipment makes as heating medium With conduction oil with the cracking gas containing hydrogen in waste-heat recovery device because being exchanged heat after heat exchange, and temperature is higher, so that can Heat energy is provided with to oily-water seperating equipment, electrically heated energy consumption in oily-water seperating equipment thus can be significantly reduced.Specifically, heat exchange The temperature of cracking gas can be not higher than 100 degrees Celsius afterwards.
S600:Cracking gas after heat exchange is supplied carries out purified treatment into cracking air purifying apparatus
In the step, cracking gas after heat exchange is supplied carries out purified treatment into cracking air purifying apparatus, net to obtain Change cracking gas.Thus, be conducive to improving the purity for reclaiming hydrogen.It should be noted that those skilled in the art can be according to reality Border needs to select the particular type of adsorbent.
S700:Purification cracking gas is supplied carries out separating-purifying treatment into Hydrogen Separation purifying plant
In the step, purification cracking gas is supplied carries out separating-purifying treatment into Hydrogen Separation purifying plant, so as to To hydrogen and tail gas.Thus, be conducive to reclaiming hydrogen, and improve the purity for reclaiming hydrogen.
According to one embodiment of present invention, Hydrogen Separation purifying plant can be hydrogen pressure-swing absorber, and the hydrogen Gas pressure-swing absorber includes multiple adsorbent beds in parallel.Specifically, hydrogen pressure-swing absorber using adsorbent under different partial pressures There are different adsorption capacities to adsorbate, and under certain adsorptive pressure, each component of the admixture of gas to separate The characteristic for having selection to adsorb carrys out purifying hydrogen of hydrogen.
According to still a further embodiment, the adsorptive pressure of adsorbent bed is not particularly restricted, people in the art Member can be selected according to actual needs, a specific embodiment of the invention, and the adsorptive pressure of adsorbent bed can be 1 ~3MPa.Thus, it is possible to significantly improve the rate of recovery and purity of hydrogen.
The method of rubbish hydrogen manufacturing according to embodiments of the present invention is passed through by the high-temperature oil gas that will be obtained during refuse pyrolysis Cooling and purifying treatment, it is possible to achieve the separation of pyrolysis gas, then by the oil water mixture obtained during cooling and purifying supply to Separating treatment in oily-water seperating equipment, can be with isolated light oil and mink cell focus, and by oily-water seperating equipment Bottom sets electric heater unit and preheater is wound outside it, is remarkably improved the effect of water-oil separating in oily-water seperating equipment Isolated purification pyrolysis gas and pyrolysis oil (light oil and mink cell focus) are then respectively fed to the heat in cracker by rate Vent one's spleen cracking room and pyrolysis oil cracking room carries out cracking treatment, the cracking gas containing hydrogen can be obtained, so as to not only solve Light oil and mink cell focus blocking pipeline, the problems such as produce carbon distribution, be difficult by, while by the pyrolysis oil in pyrolysis oil cracking room Porch is provided with atomizer, is remarkably improved the lysis efficiency of pyrolysis oil cracking room, so as to improve hydrogen in gained cracking gas Content, while gained cracking gas is carried out through waste-heat recovery device to preheat conduction oil, and by the conduction oil after preheating Supply to the preheater in oily-water seperating equipment is used as heating medium, after heat exchange conduction oil because in waste-heat recovery device and Cracking gas containing hydrogen is exchanged heat, and temperature is higher, such that it is able to provide heat energy to oily-water seperating equipment, thus can be notable Electrically heated energy consumption in oily-water seperating equipment is reduced, the cracking gas after secondly just exchanging heat is successively through cracking air purifying apparatus and hydrogen Separating-purifying device is processed, and is remarkably improved the purity of hydrogen.Thus, it is burning to use the method and can convert garbage into Calorific value hydrogen energy source high, and hydrogen yield up to more than 90%, purity up to more than 99%, so as to realize fixed-end forces with new energy The doulbe-sides' victory effect that source develops, while because raw material sources are wide, low production cost, with economy higher.
Below with reference to specific embodiment, present invention is described, it is necessary to explanation, these embodiments are only description Property, and the present invention is limited never in any form.
Embodiment
With reference to Fig. 3, pyrolysis processing will be carried out in rubbish (house refuse) supply to pyrolysis installation (moving bed pyrolysis stove), heat The temperature for solving treatment is 900 degrees Celsius, and pyrolysis time is 3h, obtains high-temperature oil gas and pyrolytic carbon, the component such as table 1 of high-temperature oil gas It is shown.
The component of the high-temperature oil gas of table 1 and the percent by volume of each component
The high-temperature oil gas of above-mentioned gained enter cooling purifying device rapid cooling, high-temperature oil gas entrance position by short distance pipeline In cooling purifying device medium position, cooling purifying device is furnished with circulating cooling sprinkler head, and shower nozzle is located at high-temperature oil gas porch, Recirculated cooling water spray high-temperature oil gas, less than 100 degrees Celsius are down to by its temperature, and the low temperature that obtains, impurity content are low, hydrogen contains Amount purification pyrolysis gas high enter cooling purifying device top purification pyrolysis gas outlet, and are cracked into pyrolysis gas by pipeline Room, the oil water mixture of generation is delivered to oily-water seperating equipment by bottom conduit.
Oily-water seperating equipment uses hot standing separation method oil-water separation mixture, inner bottom part to set electric heater unit, top If oil scraping plate, centre sets height-adjustable Water draw-off pump.Oil water mixture is in separator through electric heater unit to oil mixing with water Thing is heated to more than 80 degrees Celsius, and then after standing separation 10h, oil water mixture is divided into 3 layers:Top layer is light oil, and centre is Water, bottom is mink cell focus.Top light oil is scraped by oil scraping plate and enters oil trap, subsequently into oil pipeline;Water draw-off pump is adjusted Then water is drawn into hydraulic pipeline by section to water and mink cell focus layered position;Bottom mink cell focus is pumped to petroleum pipeline by oil pump Road.Hydraulic pipeline is connected with cooling purifying device, and pipeline road is connected with pyrolysis oil cracking room.The winding of oily-water seperating equipment outside Preheater, the waste heat that waste-heat recovery device is reclaimed passes to oily-water seperating equipment by conduction oil after heat exchange, to oil water separator Interior oil water mixture is heated, it is possible to decrease the energy consumption caused by electrical heating.
Cracker is heated using gas fired radiant tubes, and inside is provided with pyrolysis gas cracking room and pyrolysis oil cracking room, is mutually divided From pyrolysis oil cracking room is provided with atomizer, and it (can be natural ore deposit that two cracking rooms lay dolomite particles as catalyst Stone class, metal-based catalysts).Cracking temperature is 900~1000 degrees Celsius, and cracking pressure is 1.5~1.7MPa, when oil gas is stopped Between be 5~10s, organic hydrocarbon molecule, methane in above-mentioned purification pyrolysis gas, above-mentioned light oil and above-mentioned mink cell focus etc. are in high temperature bar The micro-molecular gas such as hydrogen are cracked under part again.Cracker gas outlet is provided with pressure sensitive air outlet valve, when cracking intraventricular pressure When power is more than 1.7MPa, air outlet valve is opened, the first cracking gas containing hydrogen and the containing hydrogen second cracking rich in hydrogen Gas exits into cracking air purifying apparatus from gas outlet.
Cracking air purifying apparatus front end is provided with waste-heat recovery device, the temperature of the cracking gas containing hydrogen can be down into 100 Below degree Celsius, the waste heat of recovery will give profit heating in conduction oil is transported to oily-water seperating equipment after heat exchange, reduce oil Power consumption needed for water separation device heating.Cracking air purifying apparatus can prevent lacking in cracker built with acticarbon Amount tar (light oil and mink cell focus) enters Hydrogen Separation purifying plant (hydrogen pressure-swing absorber) influence hydrogen pressure-swing absorber Operating efficiency.
Hydrogen pressure-swing absorber has different adsorption capacities under different partial pressures using adsorbent to adsorbate, and one Under fixed adsorptive pressure, each component of the admixture of gas to separate has the characteristic that selection is adsorbed to carry out purifying hydrogen of hydrogen.Transformation is inhaled Composed in parallel by 4 adsorbent beds in attached tower, adsorptive pressure scope is 1~3MPa, adsorbent uses activated carbon.Hydrogen recovery rate exists More than 90%, hydrogen purity is more than 99%.Hydrogen after purification is stored into hydrogen high pressure storage tank, remaining recycling tail gas in Supplement fuel in pyrolysis installation and cracker as radiant tube is used.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (10)

1. a kind of system of rubbish hydrogen manufacturing, it is characterised in that including:
There is pyrolysis installation, the pyrolysis installation garbage inlet, high-temperature oil gas outlet and pyrolytic carbon to export;
Cooling purifying device, the cooling purifying device have cooling water inlet, high-temperature oil gas entrance, purification pyrolysis gas outlet and Oil water mixture is exported, and the high-temperature oil gas entrance is connected with high-temperature oil gas outlet;
Oily-water seperating equipment, the oily-water seperating equipment has oil water mixture entrance, lightweight oil export, heavy oil export and water Outlet, the oil water mixture entrance and the oil water mixture outlet is connected, the water out and the cooling water inlet phase Even, the bottom and in the oily-water seperating equipment sets electric heater unit, the oily-water seperating equipment outside winding preheater;
There is pyrolysis gas cracking room and pyrolysis oil cracking room in cracker, the cracker, and the pyrolysis gas are cracked Gas fired radiant tubes and catalyst are respectively disposed with room and the pyrolysis oil cracking room, the pyrolysis gas cracking room has purification heat Vent one's spleen entrance and the first cracking gas containing hydrogen outlet, it is described purification pyrolysis gas entrance and it is described purification pyrolysis gas outlet phase Even, the pyrolysis oil cracking room has pyrolysis oil-in and the outlet of the second cracking gas containing hydrogen, the pyrolysis oil-in point It is not connected with the lightweight oil export and the heavy oil export, and the pyrolysis oil porch is provided with atomizer;
Waste-heat recovery device, the waste-heat recovery device is led after having heat conduction oil-in, the cracking gas entrance containing hydrogen, heat exchange Cracking gas outlet after hot oil outlet and heat exchange, the cracking gas entrance containing hydrogen splits with described containing hydrogen first respectively Outlet of venting one's spleen is connected with the second cracking gas outlet containing hydrogen, conduction oil outlet and the preheater phase after the heat exchange Even;
Cracking air purifying apparatus, the cracking air purifying apparatus have cracking gas entrance and purification cracking gas outlet, institute after heat exchange Cracking gas entrance is stated to be connected with cracking gas outlet after the heat exchange, and the cracking air purifying apparatus are disposed with adsorbent;
Hydrogen Separation purifying plant, the Hydrogen Separation purifying plant has gaseous mixture entrance, hydrogen outlet and offgas outlet, institute Gaseous mixture entrance is stated to be connected with the purification cracking gas outlet.
2. system according to claim 1, it is characterised in that the pyrolysis installation is moving bed pyrolysis stove.
3. system according to claim 1 and 2, it is characterised in that the Hydrogen Separation purifying plant is that hydrogen transformation is inhaled Attached tower, the hydrogen pressure-swing absorber includes multiple adsorbent beds in parallel.
4. the method that the system any one of a kind of use claim 1-3 processes rubbish, it is characterised in that including:
(1) supplying rubbish carries out pyrolysis processing into the pyrolysis installation, to obtain high-temperature oil gas and pyrolytic carbon;
(2) supply the high-temperature oil gas carries out cooling and purifying treatment into the cooling purifying device with cooling water, so as to To purification pyrolysis gas and oil water mixture;
(3) supplying the oil water mixture carries out water-oil separating treatment into the oily-water seperating equipment, to obtain lightweight Oil, water and mink cell focus, and the water return cooling purifying device is used as the cooling water;
(4) the purification pyrolysis gas are supplied into the pyrolysis gas cracking room into the cracker and cracking reaction occurs, so as to To the first cracking gas containing hydrogen, the light oil and the mink cell focus are supplied into the pyrolysis oil into the cracker and is split There is cracking reaction in solution room, to obtain the second cracking gas containing hydrogen;
(5) first cracking gas containing hydrogen and second cracking gas containing hydrogen are supplied to the waste heat recovery Heat exchange treatment is carried out with conduction oil in device, so as to cracking gas after conduction oil after being exchanged heat and heat exchange, and by after the heat exchange Conduction oil supplies the preheater into the oily-water seperating equipment;
(6) supply cracking gas after the heat exchange carries out purified treatment into the cracking air purifying apparatus, to be purified Cracking gas;
(7) supply the purification cracking gas carries out separating-purifying treatment into the Hydrogen Separation purifying plant, to obtain Hydrogen and tail gas.
5. method according to claim 4, it is characterised in that in step (1), the temperature of the pyrolysis processing is 800 ~1000 degrees Celsius, the time is 2~4 hours.
6. the method according to claim 4 or 5, it is characterised in that in step (2), the temperature of the oil water mixture Not higher than 100 degrees Celsius.
7. the method according to any one of claim 4-7, it is characterised in that in step (3), the water-oil separating dress The temperature of the oil water mixture in putting is not less than 80 degrees Celsius.
8. the method according to any one of claim 4-7, it is characterised in that in step (4), the pyrolysis gas cracking Cracking temperature in room and the pyrolysis oil cracking room is separately 900~1000 degrees Celsius, and cracking pressure is independently Ground is 1.5~1.7MPa, and pyrolysis time is separately 5~10 seconds.
9. the method according to any one of claim 4-8, it is characterised in that in step (5), cracks after the heat exchange The temperature of gas is not higher than 100 degrees Celsius.
10. the method according to any one of claim 4-9, it is characterised in that in step (7), the Hydrogen Separation Purifying plant is hydrogen pressure-swing absorber, and the hydrogen pressure-swing absorber includes multiple adsorbent beds in parallel, the adsorbent bed Adsorptive pressure is 1~3MPa.
CN201611122922.5A 2016-12-08 2016-12-08 Hydrogen production system and method utilizing garbage Pending CN106698340A (en)

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