CN206279137U - The system that a kind of refuse pyrolysis plasma gasification prepares hydrogen fuel - Google Patents
The system that a kind of refuse pyrolysis plasma gasification prepares hydrogen fuel Download PDFInfo
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- CN206279137U CN206279137U CN201621370574.9U CN201621370574U CN206279137U CN 206279137 U CN206279137 U CN 206279137U CN 201621370574 U CN201621370574 U CN 201621370574U CN 206279137 U CN206279137 U CN 206279137U
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Abstract
The utility model is related to the system that a kind of refuse pyrolysis plasma gasification prepares hydrogen fuel.System includes：Heat accumulating type rotating bed includes the housing and ring-shaped furnace bottom of annular furnace chamber, and heat accumulation type radiant tube is arranged on the internal perisporium of the housing, and feed(raw material)inlet, pyrolysis water out, the outlet of pyrolysis gas mixture, pyrolytic carbon outlet are set on the housing；Plasma gasification reative cell includes pyrolysis gas mixture entrance, syngas outlet；Purifier includes that synthesis gas entrance, decontaminating syngas are exported；Pressure-swing absorption apparatus includes the outlet of decontaminating syngas entrance, hydrogen outlet and residual gas, and the decontaminating syngas entrance is connected with decontaminating syngas outlet；Coke quenching device includes pyrolytic carbon entrance, lime-ash outlet, pyrolysis water inlet.The technical solution of the utility model solves the problems, such as the preparation of defect and hydrogen as energy source that technology of garbage disposal is present simultaneously, and its operating cost is low, and added value is high, it is easy to accomplish industrialization and scale.
Description
Technical field
The utility model relates generally to a kind of technology of refuse pyrolysis, and in particular to a kind of refuse pyrolysis plasma gasification system
The system of standby hydrogen fuel.
Background technology
Garbage disposal problem has become China after institute face after energy crisis, water pollution control, industrial waste treatment at present
The environmental problem of the another item sternness faced.Current China about 2.5 hundred million tons of yield of domestic waste year, surrounding city accumulation heap
Rubbish being deposited up to 7,000,000,000 tons, being taken up an area ten thousand mu about more than 80, the city that 2/3 is there are about in 661 cities is surrounded by rubbish, annual economic damage
Lose up to 30,000,000,000 yuans.
The conventional processing mode of house refuse has landfill, burns and compost, wherein landfill, compost have been absorbed in, occupancy is a large amount of to be used
Ground, product marketing be not smooth, the low predicament of resource level, although and burning the mesh that can reach volume reduction decrement and recycling
, its treatment cannot but break away from the problem of bioxin pollution all the time.Refuse pyrolysis treatment be at present generally acknowledge burnt relative to rubbish
More preferable processing mode is burnt, the minimizing treatment for realizing rubbish can not only be cleaned, environment friendly is strong, and can be worth
Oil higher, gas and solid carbon, avoid the generation of bioxin, while most heavy metal is in pyrolytic process from principle
Lime-ash is incorporated, discharge capacity is reduced.
Plasma gasification technology is that material is heated using plasma flare, and local temperature can be to 5500 DEG C of left sides
The right side, and the temperature of reative cell can be made to maintain more than 1000 DEG C, the materials such as pyrolysis oil, bioxin can be rapidly decomposed, and produce big
Amount CO, H2Deng synthesis gas.With secondary pollution it is small, energy recovery utilization rate is high the features such as.
But there is number of drawbacks in prior art.For example, some rubbish rotary kiln pyrogenation techniques, its tar yield is more,
Easily blocking pipeline, etching apparatus etc., frequent parking maintenance, and rear end needs complicated water-oil separating and purifier, leads
Investment is caused to greatly increase.Some rubbish shaft furnace plasma gasification technologies, are directly gasified with plasma torch to rubbish, at place
During reason large scale rubbish, the power of the technique greatly, consumption rate it is very high, therefore cause operating cost to increase, it is difficult to realize work
Industry application.Also some garbage treating process realize that refuse pyrolysis gasify in a stove, although can generate a large amount of synthesis
Gas, but lime-ash has also been carried out melt process simultaneously, and most of material is inorganic matter in lime-ash, is wasted in gasification
Big energy, the heat utilization efficiency of system is relatively low, and operating cost is higher, therefore does not possess comercial operation value.
It is conceived to the big potential energy source of current one --- hydrogen, because it has energy density high, it burns only produce completely
Unboiled water, so there is no any pollution to environment, and burning does not produce carbon dioxide, this has for solving Global Climate Changes
There is very important meaning, it is considered to be most potential vehicle alternative fuel, hydrogen has extremely to changing future source of energy general layout
Close important meaning.
There is expert to point out, if hydrogen is stored in the in-car fuel as engine using compressed gaseous, its efficiency will compare vapour
Oil is higher by 25%.Than conventional gasoline locomotive, its efficiency increases significantly electric automobile with hydrogen as fuel.With traditional vapour
Oil machine car is compared, and has efficiency higher on power chemical energy is changed into.Produced after fuel combustion in conventional gasoline locomotive
Heat and to air work, promotes piston and crank rotation.And fossil energy that fuel cell car will be then stored in hydrogen is straight
Switch through chemical conversion electric energy, then travelled by electrical motor driven vehicle, this is a kind of more direct electrochemical process, thus than tradition
Diesel locomotive has energy conversion efficiency higher, and accessory substance only has water.Due in the electric automobile with hydrogen as fuel
There is no piston and bent axle, largely simplified the parts of transmission system, thus system capacity loss be reduced to it is minimum.
Although hydrogen has the incomparable advantage of many fossil fuels really.But maximum difficulty is exactly hydrogen at present
Prepare.The minimum method of most main flow, cost is hydrogen making by natural gas reformation at this stage, and the hydrogen in the U.S. 95% is obtained by this method.
Basically, natural gas is necessarily accompanied with the generation of oxycarbide during the course of the reaction as the raw material of hydrogen manufacturing, and this is allowed for
Hydrogen is queried as the slogan of vehicle fuel zero-emission.Although hydrogen only produces water, hydrogen really in use
Preparation but have to face the problem of environmental pollution.
In view of the shortcomings of the prior art, with reference to garbage disposal problem of the present utility model and the system of above-mentioned hydrogen as energy source
Standby problem, how environmentally friendly, saving, energy recycling ground treatment rubbish, as the utility model side to be expanded
To.
Utility model content
The purpose of this utility model is to provide the system that a kind of refuse pyrolysis plasma gasification prepares hydrogen fuel, with same
When solve the problems, such as technology of garbage disposal exist defect and hydrogen as energy source preparation.
The utility model also provide it is a kind of realize the system that above-mentioned refuse pyrolysis plasma gasification prepares hydrogen fuel method,
Including：
Heat accumulating type rotating bed includes the housing and ring-shaped furnace bottom of annular furnace chamber, and heat accumulation type radiant tube is arranged on the housing
On internal perisporium, feed(raw material)inlet, pyrolysis water out, the outlet of pyrolysis gas mixture, pyrolytic carbon outlet are set on the housing；
Plasma gasification reative cell includes pyrolysis gas mixture entrance, syngas outlet, the pyrolysis gas mixture
Entrance is connected with the pyrolysis gas mixture outlet；
Purifier includes synthesis gas entrance, decontaminating syngas outlet, the synthesis gas entrance and the syngas outlet
It is connected；
Pressure-swing absorption apparatus includes the outlet of decontaminating syngas entrance, hydrogen outlet and residual gas, the decontaminating syngas
Entrance is connected with decontaminating syngas outlet, and the residual gas outlet is connected with the combustible gas entrance of heat accumulation type radiant tube；
Coke quenching device include pyrolytic carbon entrance, lime-ash outlet, pyrolysis water inlet, wherein, the pyrolytic carbon entrance with it is described
Pyrolytic carbon outlet is connected, and the pyrolysis water inlet is connected with the pyrolysis water out.
The system that above-mentioned refuse pyrolysis plasma gasification prepares hydrogen fuel, the system also includes sorting unit and breaks
Crushing device, wherein, sorting unit includes that garbage-sorting entrance, garbage-sorting are exported；Breaker includes shredding refuse entrance, breaks
Broken garbage outlet；The shredding refuse entrance is connected with garbage-sorting outlet, and the shredding refuse is exported and the raw material
Entrance is connected.
The system that above-mentioned refuse pyrolysis plasma gasification prepares hydrogen fuel, the pyrolysis water out is arranged in the shell
The side wall of body；The pyrolysis gas mixture outlet is arranged in the top of the housing；The plasma gasification reative cell arrangement
In the pyrolysis gas mixture outlet upper end.
The beneficial effects of the utility model are, by the refuse pyrolysis plasma using the utility model above-described embodiment
Vaporizing system is pyrolyzed, and utilize using heat accumulating type rotating bed for the method for hydrogen fuel to pretreated garbage raw material
Ion gasification reactor chamber gasifies to pyrolysis gas mixture, and the synthesis gas yield of acquisition is high, calorific value is high, by pressure-variable adsorption
The hydrogen fuel of high yield high heating value can be obtained afterwards, realize " innoxious, minimizing, the resource " of rubbish, its operating cost
Low, tar yield is extremely low, and line clogging does not occur, and process economy is good, it is easy to accomplish industrialization and scale.
Brief description of the drawings
Fig. 1 prepares hydrogen fuel FB(flow block) for the refuse pyrolysis plasma gasification of the utility model embodiment；
Fig. 2 prepares hydrogen fuel system structure diagram for the refuse pyrolysis plasma gasification of the utility model embodiment.
Specific embodiment
Below in conjunction with drawings and Examples, specific embodiment of the present utility model is described in more details, with
Just scheme of the present utility model and the advantage of its various aspects be better understood when.However, specific implementations described below
Mode and embodiment are only descriptive purposes, rather than to limitation of the present utility model.
The utility model proposes the method that refuse pyrolysis plasma gasification prepares hydrogen fuel.Below with reference to the accompanying drawings it is detailed
The method that the refuse pyrolysis plasma gasification of the utility model embodiment prepares hydrogen fuel is described.
The method that refuse pyrolysis plasma gasification according to the utility model specific embodiment prepares hydrogen fuel includes：Will
Rubbish such as is sorted, is crushed at the pretreatment, to sub-elect the inorganic matters such as metal, dregs；To be sent by pretreated rubbish
Enter and be dried in heat accumulating type rotating bed and pyrolysis processing, to obtain pyrolysis water, pyrolysis gas mixture and pyrolytic carbon；By heat
Solution gas mixture is passed through plasma gasification reative cell, to obtain the synthesis gas such as CO, H2；And synthesis gas is passed through transformation suction
Adsorption device, H2 fuel is prepared to purify, while being used as fuel gas in residual gas feeding heat accumulation type radiant tube.
The method that hydrogen fuel is prepared by the refuse pyrolysis plasma gasification using the utility model above-described embodiment, it is first
First rubbish is pre-processed；Then pretreated garbage raw material is pyrolyzed using heat accumulating type rotating bed, and is utilized
Ion gasification reactor chamber gasifies to pyrolysis gas mixture；The moisture for drying out can be obtained as the quenching water of pyrolytic carbon
Synthesis gas yield is high, calorific value is high, the hydrogen fuel by that can obtain high yield high heating value after pressure-variable adsorption, residual gas can
Used as the fuel gas of heat accumulation type radiant tube, realize " innoxious, minimizing, the resource " of rubbish, its operating cost is low,
Tar yield is extremely low, and line clogging does not occur, and process economy is good, it is easy to accomplish industrialization and scale.
The refuse pyrolysis plasma gasification for describing the utility model specific embodiment in detail below with reference to Fig. 1 prepares hydrogen combustion
The method of material.
According to specific embodiment of the utility model, the heat accumulating type rotating bed is divided into dry section and pyrolysis zone.
Preferably, dry section heat accumulation type radiant tube temperature is 400 DEG C -600 DEG C, according to the difference of garbage raw material moisture content,
Select the temperature of dry section heat accumulation type radiant tube.
Preferably, heat accumulation type radiant tube temperature in pyrolysis zone is 700 DEG C -1000 DEG C, according to the difference of garbage raw material component, choosing
Select the temperature of pyrolysis zone heat accumulation type radiant tube.
According to specific embodiment of the utility model, the pyrolysis water is produced by heat accumulating type rotating bed dry section, can be direct
As the quenching water of pyrolytic carbon.Utility model people find, garbage raw material start to be heated rise to 150 DEG C to material temperature when, mainly
It is to steam the moisture in garbage raw material, if this part water enters plasma gasification reative cell with heat accumulating type rotating bed, can significantly
Increase system energy consumption, cause operating cost to increase, therefore heat accumulating type rotating bed dry section end burner hearth sidewall is provided with pyrolysis
Water out, efficiently solves this problem.
According to specific embodiment of the utility model, the pyrolysis gas mixture is produced by heat accumulating type rotating bed pyrolysis zone
It is raw, plasma gasification reative cell is passed directly into without treatment, to obtain the synthesis gas.Utility model people also found, pyrolysis
Gas mixture directly carries out plasma gasification, and heat utilization efficiency is high, operating cost is relatively low.
According to specific embodiment of the utility model, the plasma gasification reative cell side wall be provided with more than 2 etc.
Gas ions torch.
Preferably, the temperature of plasma gasification reative cell is 1200 DEG C -1500 DEG C.Due to the plasma gasification reative cell
Only the pyrolysis gas mixture is gasified, rather than directly gasifying to garbage raw material, it is therefore desirable to setting etc.
Gas ions torch quantity is few, and treatment effeciency is high, and operating cost is low.
According to specific embodiment of the utility model, the synthesis gas is passed through into purifier carries out purified treatment, so as to
The impurity such as hydrogen sulfide, hydrogen chloride in removal synthesis gas.Utility model people has found, due to the plasma gasification reaction chamber temperature
Higher, more than 1000 DEG C, and pyrolysis oil, hydrocarbon gas content that the heat accumulating type rotating bed is produced are seldom, in the plasma
Can transient evaporation, generation a large amount of CO, H in reative cell2Deng synthesis gas.
How to prepare hydrogen using synthesis gas is another key technology.
Pressure-variable adsorption (Pressure Swing Adsorption. abbreviation PSA), is a kind of new gas adsorbing separation skill
Art, it has the following advantages:(1) product purity is high.(2) can typically be worked in room temperature and under pressure not high, bed regenerate when without
Heating, energy saving economy.(3) equipment is simple, operation, easy maintenance.(4) continuous circulate operation, can be fully achieved automation.Therefore,
After this new technology comes out, just paid close attention to by various countries' industrial quarters, competitively R and D quickly grow, and increasingly mature.
Raised and increased characteristic with partial component pressure using the equilibrium adsorption capacity of adsorbent, carry out pressurized adsorbent, decompression and take off
Attached operating method.Absorption is exothermic process, and desorption is endothermic process, but as long as adsorption density is less, heat of adsorption and desorption
Heat is all little, therefore pressure-variable adsorption still may be regarded as constant temperature process.Pressure-variable adsorption is usually normal-temperature operation, is not necessary to heat supply, therefore circulate
Cycle is short, it is easy to accomplish automation, it is especially suitable to maximization gas separation production process.
The utility model is based on above-mentioned pressure-variable adsorption theory, pressure-swing absorption apparatus is devised in systems, using the change
Pressure adsorbent equipment purification ＆ isolation hydrogen, can obtain the hydrogen fuel of high yield high heating value.
According to specific embodiment of the utility model, the residual gas after the pressure-swing absorption apparatus separating-purifying is passed through
Burnt in heat accumulation type radiant tube, to provide heat to heat accumulating type rotating bed drying and pyrolysis processing.Utility model people is also
It was found that, containing combustible gases such as more CO in affiliated residual gas, and the heat accumulation type radiant tube needs to be provided for raw material pyrolysis
Heat, therefore the residual gas can be used for heat accumulation type radiant tube combustion heat supplying, process operation cost is reduced, reduce pollution
Thing is discharged.
According to the technical solution of the utility model, the utility model also proposed refuse pyrolysis plasma gasification and prepare hydrogen
The system of fuel.The refuse pyrolysis plasma gasification for describing the utility model specific embodiment in detail below with reference to Fig. 2 prepares hydrogen
The system of gas fuel.
According to specific embodiment of the utility model, the system that refuse pyrolysis plasma gasification prepares hydrogen fuel includes：
Sorting unit 1, breaker 2, heat accumulating type rotating bed 3, plasma gasification reative cell 4, purifier 5, transformation are inhaled
Adsorption device 6, coke quenching device 7.
There is sorting unit 1, the sorting unit garbage-sorting entrance, garbage-sorting to export, and the sorting unit includes
The equipment such as magnetic separation, screening, to sub-elect the inorganic matters such as metal, dregs.
Breaker 2, breaker tool shredding refuse entrance, shredding refuse outlet, the shredding refuse entrance with
The garbage-sorting outlet is connected, to obtain garbage raw material of the average grain diameter less than 100mm.
Certainly, depending on above-mentioned sorting unit and breaker are according to actual conditions, if the rubbish for the treatment of has reached properly
Particle diameter or be classified, these devices can be omitted.
Heat accumulating type rotating bed 3, is dried, pyrolysis processing using 3 pairs of garbage raw materials of heat accumulating type rotating bed, so as to
To pyrolysis water, pyrolysis gas mixture, pyrolytic carbon
There is the heat accumulating type rotating bed 3 feed(raw material)inlet, pyrolysis water out, the outlet of pyrolysis gas mixture, pyrolytic carbon to go out
Mouthful, the feed(raw material)inlet is connected with shredding refuse outlet, specifically includes：
Housing, the housing forms ring-type furnace chamber, and burner hearth operating condition is pressure-fired；
Ring-shaped furnace bottom, material cloth on ring-shaped furnace bottom, in continuous rotary state；
Heat accumulation type radiant tube, multiple heat accumulation type radiant tubes are arranged on the internal perisporium of the housing, the heat accumulating type
Radiant tube has combustible gas entrance, combustion air inlet, exhanst gas outlet, to carry out anoxybiotic heating to rubbish material.
Plasma gasification reative cell 4, is acted on using the high-temperature gasification of plasma torch, sends out pyrolysis oil, hydrocarbon gas etc.
Angerization, restructuring, to obtain the synthesis gas such as CO, H2.
The plasma gasification reative cell has pyrolysis gas mixture entrance, syngas outlet, and the pyrolysis oil gas is mixed
Compound entrance is connected with the pyrolysis gas mixture outlet.
Purifier 5, the purifier have synthesis gas entrance, decontaminating syngas export, the synthesis gas entrance with
The syngas outlet is connected, to remove the impurity such as hydrogen sulfide, hydrogen chloride in synthesis gas.
There is pressure-swing absorption apparatus 6, the pressure-swing absorption apparatus decontaminating syngas entrance, hydrogen outlet and residual gas to go out
Mouthful, the decontaminating syngas entrance is connected with decontaminating syngas outlet, and the residual gas is exported and the heat accumulating type spoke
Penetrate pipe combustible gas entrance to be connected, to isolate hydrogen fuel.
Coke quenching device 7, the coke quenching device has pyrolytic carbon entrance, lime-ash outlet, pyrolysis water inlet, so as to by pyrolytic carbon
Cooling.
The system for preparing hydrogen fuel by the refuse pyrolysis plasma gasification using the utility model above-described embodiment, can
Sorting process will be carried out in rubbish feeding sorting unit 1 first.Secondly the rubbish after sorting is delivered in breaker 2 is carried out
Break process, obtains average grain diameter less than 100mm garbage raw materials.Then garbage raw material is distributed into heat accumulating type rotating bed 3 is carried out
Pyrolytic reaction, generation pyrolysis water, pyrolysis gas mixture and pyrolytic carbon.Wherein, pyrolysis water is passed through in coke quenching device 7 to pyrolytic carbon
Quenching treatment is carried out, pyrolysis gas mixture enters plasma gasification reative cell 4 and gasification reaction, CO, the H for obtaining occur2Deng conjunction
Into gas.Synthesis gas prepares hydrogen fuel in sending into pressure-swing absorption apparatus 6 after purifier 5 is purified, and residual gas is passed through storage
Used as fuel gas in hot type radiant tube.
Whole system reduces the generation of tar, realizes the height of refuse pyrolysis, plasma gasification and pressure swing adsorption
Effect is combined, and not only reduces operating cost, also improves the yield and calorific value of hydrogen fuel, and heat recovery rate is high, resource
Level is high, product economy is profitable, do not produce bioxin, secondary pollution small, and hydrogen is prepared beneficial to refuse pyrolysis plasma gasification
The industrial applications of fuel.
According to specific embodiment of the utility model, the pyrolysis water out of the heat accumulating type rotating bed 3 is arranged in the drying
Area end, burner hearth sidewall, to be just collected when pyrolysis water is just produced, reduce system energy consumption.
The pyrolysis gas mixture outlet of the heat accumulating type rotating bed 3 is arranged in the pyrolysis zone end, roof of the furnace, so as to
Obtain the pyrolysis gas mixture of high-quality.
According to specific embodiment of the utility model, the plasma gasification reative cell 4 is arranged vertically on heat accumulating type rotation
Bed 3 is pyrolyzed gas mixture outlet upper end, and pyrolysis gas mixture is passed directly into plasma reative cell 4 without cooling, with
Just synthesis gas is prepared.
Refuse pyrolysis plasma gasification according to the utility model above-described embodiment prepares each in the system of hydrogen fuel
The beneficial effect of device has embodied in the method that the refuse pyrolysis plasma gasification of above-described embodiment prepares hydrogen fuel,
Will not be repeated here.
In sum, the utility model, using hydrogen as energy source is converted to, solves conventional garbage by by garbage as resource
The defect problem that treatment technology is present, is that hydrogen technology of preparing increased a new approach, creates economy and ring higher
Support value value, and system itself has implemented a series of energy cycling and reutilization, realize " innoxious, minimizing, the money of rubbish
Source " produces.
Embodiment 1
Hydrogen fuel system is prepared using refuse pyrolysis plasma gasification to process the rubbish of certain cell, the rubbish
Moisture content is 38%, and its each component percentage composition is as shown in table 1, wherein, refuse pyrolysis plasma gasification prepares hydrogen fuel
As described in Figure 2, technological process is as shown in figure 1, specific handling process is as follows for structural representation：
Rubbish each component percentage composition (%) of table 1
The rubbish of moisture content 38% is sent into the inorganic matters such as sorting unit, removal glass, metal, disintegrating apparatus is entered back into,
Obtain garbage raw material of the average grain diameter less than 100mm.Garbage raw material is sent into heat accumulating type rotating bed, in the radiation of dry section heat accumulating type
The temperature of pipe is 450 DEG C, and the temperature of pyrolysis zone heat accumulation type radiant tube is 850 DEG C.Rubbish sequentially passes through dry, heat in revolving bed
The processes such as solution gas processed, the pyrolysis water for finally obtaining flows out from heat accumulating type rotating bed dry section end burner hearth sidewall, into quenching dress
In putting, pyrolysis gas mixture is discharged in heat accumulating type rotating bed pyrolysis zone end top, into plasma gasification reative cell, pyrolysis
Charcoal is discharged in revolving bed end bottom by helix transporting device, wherein, the temperature of plasma gasification reative cell is 1200 DEG C.Will
The synthesis gas that plasma gasification reative cell is produced carries out purified treatment, to obtain pure CO, H2Deng synthesis gas.To finally close
Pressure-swing absorption apparatus is passed through into gas, pressure-swing absorption apparatus admission pressure is 0.4Mpa, and purification prepares H2Fuel, while by remaining gas
Used as fuel gas in body feeding heat accumulation type radiant tube.It is mineral residue to be pyrolyzed the pyrolytic carbon for producing most of, is directly transported
It is disposed to landfill yard.
Pyrolysis plasma gasification is carried out to rubbish to prepare hydrogen fuel using said system, final obtained synthesis gas is produced
Rate is 30%, and the yield of pyrolytic carbon is 35%, and the yield for being pyrolyzed water is 35%.Wherein, the yield of hydrogen is 17%, and purification is reclaimed
Rate is 96.8%.
Embodiment 2
Hydrogen fuel system is prepared using refuse pyrolysis plasma gasification to process the rubbish in certain city, the rubbish
Moisture content is 30%, and its each component percentage composition is as shown in table 2, wherein, refuse pyrolysis plasma gasification prepares hydrogen fuel system
As described in Figure 2, technological process is as shown in figure 1, specific handling process is as follows for the structural representation of system：
Rubbish each component percentage composition (%) of table 2
The rubbish of moisture content 30% is sent into the inorganic matters such as sorting unit, removal glass, metal, disintegrating apparatus is entered back into,
Obtain garbage raw material of the particle diameter less than 100mm.Garbage raw material is sent into heat accumulating type rotating bed, in dry section heat accumulation type radiant tube
Temperature is 600 DEG C, and the temperature of pyrolysis zone heat accumulation type radiant tube is 1000 DEG C.Rubbish sequentially passes through in revolving bed and dries, is pyrolyzed
The processes such as gas processed, the pyrolysis water for finally obtaining flows out from heat accumulating type rotating bed dry section end burner hearth sidewall, into coke quenching device
In, pyrolysis gas mixture is discharged in heat accumulating type rotating bed pyrolysis zone end top, into plasma gasification reative cell, pyrolytic carbon
Discharged by helix transporting device in revolving bed end bottom, wherein, the temperature of plasma gasification reative cell is 1300 DEG C.Will etc.
The synthesis gas that ion gasification reactor chamber is produced carries out purified treatment, to obtain pure CO, H2Deng synthesis gas.Finally will synthesis
Gas is passed through pressure-swing absorption apparatus, and pressure-swing absorption apparatus admission pressure is 2.6Mpa, and purification prepares H2Fuel, while by residual gas
Used as fuel gas in feeding heat accumulation type radiant tube.It is mineral residue to be pyrolyzed the pyrolytic carbon for producing most of, is directly transported to
Landfill yard is disposed.
Pyrolysis plasma gasification is carried out to rubbish to prepare hydrogen fuel using said system, final obtained synthesis gas is produced
Rate is 36%, and the yield of pyrolytic carbon is 32%, and the yield for being pyrolyzed water is 32%.Wherein, the yield of hydrogen is 20%, and purification is reclaimed
Rate is 98.5%.
Embodiment 3
Hydrogen fuel system is prepared using refuse pyrolysis plasma gasification to process the rubbish in certain city, the rubbish
Moisture content is 40%, and its each component percentage composition is as shown in table 2, wherein, refuse pyrolysis plasma gasification prepares hydrogen fuel system
As described in Figure 2, technological process is as shown in figure 1, specific handling process is as follows for the structural representation of system：
Rubbish each component percentage composition (%) of table 2
The rubbish of moisture content 40% is sent into the inorganic matters such as sorting unit, removal glass, metal, disintegrating apparatus is entered back into,
Obtain garbage raw material of the particle diameter less than 100mm.Garbage raw material is sent into heat accumulating type rotating bed, in dry section heat accumulation type radiant tube
Temperature is 400 DEG C, and the temperature of pyrolysis zone heat accumulation type radiant tube is 700 DEG C.Rubbish sequentially passes through in revolving bed and dries, is pyrolyzed system
The processes such as gas, the pyrolysis water for finally obtaining flows out from heat accumulating type rotating bed dry section end burner hearth sidewall, into coke quenching device,
Pyrolysis gas mixture is discharged in heat accumulating type rotating bed pyrolysis zone end top, and into plasma gasification reative cell, pyrolytic carbon exists
Revolving bed end bottom is discharged by helix transporting device, wherein, the temperature of plasma gasification reative cell is 1500 DEG C.Will etc. from
The synthesis gas that sub- gasification reactor chamber is produced carries out purified treatment, to obtain pure CO, H2Deng synthesis gas.Finally by synthesis gas
Pressure-swing absorption apparatus is passed through, pressure-swing absorption apparatus admission pressure is 3.5Mpa, and purification prepares H2Fuel, while residual gas is sent
To enter used as fuel gas in heat accumulation type radiant tube.It is mineral residue to be pyrolyzed the pyrolytic carbon for producing most of, is directly transported to and fills out
Field is buried to be disposed.
Pyrolysis plasma gasification is carried out to rubbish to prepare hydrogen fuel using said system, final obtained synthesis gas is produced
Rate is 38%, and the yield of pyrolytic carbon is 31%, and the yield for being pyrolyzed water is 31%.Wherein, the yield of hydrogen is 21%, and purification is reclaimed
Rate is 98.2%.
Be can be seen that by above-described embodiment, the utility model whole system reduces the generation of tar, realize rubbish heat
Solution and plasma gasification, the efficient combination of pressure-variable adsorption, utilize garbage as resource, are allowed to be converted into hydrogen as energy source output, no
Operating cost is reduced by only, the yield and calorific value of synthesis gas is also improved, heat recovery rate is high, resource level is high, product
Product are good in economic efficiency, do not produce bioxin and secondary pollution is small.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be
Mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or two interaction relationships of element.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
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 present utility model or example.In this manual, to the schematic table of above-mentioned term
Stating need not be directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff can be carried out the feature of the different embodiments or example described in this specification and different embodiments or example
With reference to and combination.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the utility model example,
And not to the restriction of implementation method.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.And thus
Among the obvious change or variation amplified out are still in protection domain of the present utility model.
Claims (3)
1. the system that a kind of refuse pyrolysis plasma gasification prepares hydrogen fuel, it is characterised in that including：
Heat accumulating type rotating bed includes the housing and ring-shaped furnace bottom of annular furnace chamber, and heat accumulation type radiant tube is arranged on the inner circumferential of the housing
On wall, feed(raw material)inlet, pyrolysis water out, the outlet of pyrolysis gas mixture, pyrolytic carbon outlet are set on the housing；
Plasma gasification reative cell includes pyrolysis gas mixture entrance, syngas outlet, the pyrolysis gas mixture entrance
It is connected with the pyrolysis gas mixture outlet；
Purifier includes that synthesis gas entrance, decontaminating syngas are exported, and the synthesis gas entrance is connected with the syngas outlet；
Pressure-swing absorption apparatus includes the outlet of decontaminating syngas entrance, hydrogen outlet and residual gas, the decontaminating syngas entrance
It is connected with decontaminating syngas outlet, the residual gas outlet is connected with the combustible gas entrance of heat accumulation type radiant tube；
Coke quenching device includes pyrolytic carbon entrance, lime-ash outlet, pyrolysis water inlet, wherein, the pyrolytic carbon entrance and the pyrolysis
Charcoal outlet is connected, and the pyrolysis water inlet is connected with the pyrolysis water out.
2. the system that refuse pyrolysis plasma gasification according to claim 1 prepares hydrogen fuel, it is characterised in that described
System also includes sorting unit and breaker, wherein, sorting unit includes that garbage-sorting entrance, garbage-sorting are exported；It is broken
Device includes that shredding refuse entrance, shredding refuse are exported；The shredding refuse entrance is connected with garbage-sorting outlet, described
Shredding refuse outlet is connected with the feed(raw material)inlet.
3. the system that refuse pyrolysis plasma gasification according to claim 1 prepares hydrogen fuel, it is characterised in that described
Pyrolysis water out is arranged in the side wall of the housing；The pyrolysis gas mixture outlet is arranged in the top of the housing；Institute
State plasma gasification reative cell and be arranged in the pyrolysis gas mixture outlet upper end.
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| CN201621370574.9U CN206279137U (en) | 2016-12-14 | 2016-12-14 | The system that a kind of refuse pyrolysis plasma gasification prepares hydrogen fuel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625759A (en) * | 2020-12-26 | 2021-04-09 | 西安西热控制技术有限公司 | Plasma pyrolysis gasification system of thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625759A (en) * | 2020-12-26 | 2021-04-09 | 西安西热控制技术有限公司 | Plasma pyrolysis gasification system of thermal power plant |
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Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
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Denomination of utility model: System for garbage pyrolytic plasma gas ization preparation hydrogen fuel Effective date of registration: 20180322 Granted publication date: 20170627 Pledgee: The Bank of Beijing Limited by Share Ltd. Anwar Road Branch Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000210 |
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