Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model
One purpose is to propose that a kind of refuse pyrolysis electricity generation system, the system are sent out after the Hydrogen Separation in refuse pyrolysis gas is purified
Electricity, power generation process is nearly free from new pollutant, clean environment firendly, and generating efficiency height, and the output that generates electricity is stable.
It should be noted that the utility model is the following work based on inventor and completed:
The main component for the pyrolysis gas that refuse pyrolysis is produced includes the small molecule fuel gas such as hydrogen, carbon monoxide, has
Very high use value.Now by refuse pyrolysis gas combustion power generation and certain achievement is obtained, and compared to waste incineration and generating electricity, it is dirty
Dye thing discharge is greatly reduced, but still has the discharge of pollutant.And Hydrogen Energy is generally acknowledged clean energy resource, it has combustion heat value
Height, its combustion product is water, will not bring environmental pollution.Pyrolysis gas is carried out hydrogen by inventor using hydrogen pressure-swing absorption apparatus
Separating-purifying processing, then generated electricity by fuel utilization hydrogen fuel cell of hydrogen, not only generating toggle speed is fast, exports electric energy
It is stable, strong environmental adaptability, and the unique byproduct of electro-chemical reaction is water, energy-conserving and environment-protective, it is to avoid lead, sulfuric acid and other
The discharge of acid contaminant.Thus, the hydrogen in pyrolysis gas is extracted using the system, being generated electricity using hydrogen fuel cell is had very
Superior environment-friendly advantage and economic advantages.
Thus, according to one side of the present utility model, the utility model provides a kind of refuse pyrolysis electricity generation system.Root
According to embodiment of the present utility model, the system includes:
Refuse pyrolysis plant, the refuse pyrolysis plant has garbage inlet, fuel inlet, pyrolytic carbon outlet and pyrolysis oil
Gas is exported;
Pyrolysis oil air purifying apparatus, the pyrolysis oil air purifying apparatus includes:
There is pyrolysis oil Gas Cooler, the pyrolysis oil Gas Cooler pyrolysis oil gas entrance, oil water mixture to export and cold
But pyrolysis gas outlet, the pyrolysis oil gas entrance and the pyrolysis oil gas vent;
Tar trap, the tar trap has pyrolysis gas entrance, tar outlet and the pyrolysis gas outlet of cooling, institute
The pyrolysis oil gas entrance for stating cooling is connected with the pyrolysis oil gas vent of the cooling;
Activated carbon adsorber, the activated carbon adsorber has the pyrolysis gas outlet after pyrolysis gas entrance and purification, described
Pyrolysis gas entrance is connected with the pyrolysis gas outlet;
Hydrogen pressure-swing absorption apparatus, the hydrogen pressure-variable adsorption has pyrolysis gas entrance, hydrogen outlet and the tail after purification
Gas is exported, and the pyrolysis gas entrance after the purification is connected with the pyrolysis gas outlet after the purification;And
Hydrogen fuel cell TRT, the hydrogen fuel cell TRT has hydrogen inlet, oxygen intake, discharge outlet
With electricity output end, the hydrogen inlet is connected with the hydrogen outlet.
According to the refuse pyrolysis electricity generation system of the utility model embodiment, using hydrogen pressure-swing absorption apparatus by refuse pyrolysis
The pyrolysis gas that device is produced carries out Hydrogen Separation purification processes, then is generated electricity by fuel utilization hydrogen fuel cell of hydrogen, no
Only generating toggle speed is fast, and it is water, energy-conservation to export stable electric power, strong environmental adaptability, and the unique byproduct of electro-chemical reaction
Environmental protection, it is to avoid the discharge of lead, sulfuric acid and other acid contaminants.Thus, the hydrogen in pyrolysis gas is extracted using the system,
Being generated electricity using hydrogen fuel cell not only has very superior environment-friendly advantage and economic advantages, and by domestic rubbish disposal and hydrogen
Gas production is connected, and realizes the doulbe-sides' victory effect that fixed-end forces are utilized with new energy development.
Optionally, the hydrogen pressure-swing absorption apparatus includes:Multiple pressure-variable adsorption components, the multiple pressure-variable adsorption component
It is arranged in the hydrogen pressure-swing absorption apparatus, and the multiple pressure-variable adsorption component is connected in series.
Optionally, the multiple pressure-variable adsorption component is 4-6 pressure-variable adsorption component.
Optionally, the adsorptive pressure scope of the hydrogen pressure-swing absorption apparatus is 0.6-2.0MPa.
Optionally, the hydrogen fuel cell TRT includes:There is fuel cell pack, the fuel cell pack hydrogen to enter
Mouth, oxygen intake, water out and electricity output end;Hydro-thermal controller, the hydro-thermal controller has water inlet and discharge outlet, described
Water inlet is connected with the water out;Electronic-controlled installation, the electronic-controlled installation and the fuel cell pack and the water
Heat controller is connected.
Optionally, the pyrolysis oil Gas Cooler includes circulating cooling water pump.
Optionally, it is characterised in that the system further comprises:Tail gas return pipeline, the tail gas return pipeline difference
It is connected with the offgas outlet of the Hydrogen Separation purifying plant and the fuel inlet of the pyrolysis installation.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " be based on orientation shown in the drawings or position relationship,
It is for only for ease of description the utility model rather than requires that the utility model must be with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.
It should be noted that term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be with
Express or implicitly include one or more this feature.Further, in description of the present utility model, unless otherwise
Illustrate, " multiple " are meant that two or more.
According to one side of the present utility model, the utility model provides a kind of refuse pyrolysis electricity generation system.With reference to figure
1, according to embodiment of the present utility model, refuse pyrolysis electricity generation system is explained, the system includes:Refuse pyrolysis is filled
Put 100, pyrolysis oil air purifying apparatus 200, hydrogen pressure-swing absorption apparatus 300 and hydrogen fuel cell TRT 400.Below one by one
Each device is explained:
Refuse pyrolysis plant 100:According to embodiment of the present utility model, the refuse pyrolysis plant 100 have garbage inlet,
Fuel inlet, pyrolytic carbon outlet and pyrolysis oil gas vent, pyrolysis processing is carried out by rubbish, obtains pyrolytic carbon and pyrolysis oil gas.By
This, pyrolysis gas is prepared using house refuse, and raw material sources are wide, and production cost is low, with higher economy.
According to embodiment of the present utility model, the refuse pyrolysis plant 100 is pyrolysis oven.Thus, pyrolysis oven has continuous
Input and output material function, is pyrolyzed efficiency high.
According to embodiment of the present utility model, the composition (V%) of pyrolysis gas can be with as shown in the table:
Pyrolysis oil air purifying apparatus 200:According to embodiment of the present utility model, the pyrolysis oil air purifying apparatus 200 includes:
Pyrolysis oil Gas Cooler 210, tar trap 220 and activated carbon adsorber, wherein, pyrolysis oil Gas Cooler 210 has pyrolysis
The pyrolysis gas outlet of oil gas entrance, oil water mixture outlet and cooling, pyrolysis oil gas entrance and pyrolysis oil gas vent, by pyrolysis oil
Gas carries out cooling treatment, the pyrolysis gas and oil water mixture cooled down;The pyrolysis gas that tar trap 220 has cooling enters
Mouth, tar outlet and pyrolysis gas outlet, the pyrolysis oil gas entrance of cooling are connected with the pyrolysis oil gas vent of the cooling, will cooled down
Pyrolysis gas carry out Oil-gas Separation processing, obtain tar and pyrolysis gas;Activated carbon adsorber 230 has pyrolysis gas entrance and purification
Pyrolysis gas outlet afterwards, pyrolysis gas entrance is connected with pyrolysis gas outlet, and acticarbon is loaded in activated carbon adsorber, can be by
H in pyrolysis gas2The impurity removals such as S, dust, removal of impurities is carried out by pyrolysis gas, the pyrolysis gas after being purified.Thus, oil gas point
It is good from effect, and effectively remove dust and the impurity such as hydrogen sulfide in pyrolysis oil gas, prevent dust blocking device, and follow-up
The purity of the hydrogen arrived is higher.
According to embodiment of the present utility model, pyrolysis oil Gas Cooler 210 includes circulating cooling water pump.Thus, using following
Ring cooling water carries out cooling treatment, good cooling results, efficiency high, low cost.
Hydrogen pressure-swing absorption apparatus 300:According to embodiment of the present utility model, the hydrogen pressure-swing absorption apparatus 300 has
Pyrolysis gas entrance, hydrogen outlet and offgas outlet after purification, wherein, the pyrolysis gas entrance after purification and the pyrolysis gas after purification
Outlet is connected, and the hydrogen pressure-swing absorption apparatus 300 has different adsorption capacities under different partial pressures using adsorbent to adsorbate,
And under certain adsorptive pressure, there is the characteristic of selection absorption after purification to each component of separated admixture of gas
Separating-purifying hydrogen in pyrolysis gas, obtains hydrogen and tail gas.Thus, with hydrogen pressure-swing absorption apparatus by the hydrogen in refuse pyrolysis gas
Gas carries out separating-purifying, and the multipath for realizing pyrolysis gas is utilized, and is hydrogen there is provided a kind of new hydrogen production system
Extensively using there is provided technical support.
According to embodiment of the present utility model, hydrogen pressure-swing absorption apparatus 300 includes:Multiple pressure-variable adsorption components, this is more
Individual pressure-variable adsorption component is arranged in hydrogen pressure-swing absorption apparatus 300, and the plurality of pressure-variable adsorption component is connected in series.Thus,
The separating-purifying effect of hydrogen is good.
According to embodiment of the present utility model, the plurality of pressure-variable adsorption component is 4-6 pressure-variable adsorption component.Thus, hydrogen
The pure efficiency high of air lift, effect is good, and the rate of recovery of hydrogen is up to more than 95%.
According to embodiment of the present utility model, the adsorptive pressure scope of the hydrogen pressure-swing absorption apparatus 300 is 0.6-
2.0MPa.Thus, to the selection advantages of good adsorption effect of hydrogen, the purity of hydrogen is high.
With reference to Fig. 2, according to embodiment of the present utility model, the system further comprises:Tail gas return pipeline 600, the tail
The offgas outlet and the fuel inlet phase of refuse pyrolysis plant 100 of gas return pipeline 600 respectively with Hydrogen Separation purifying plant 200
Even, due to containing substantial amounts of combustible gas in tail gas, tail gas is returned into refuse pyrolysis plant 100, fuel is provided for refuse pyrolysis, subtracts
The dependence of system external portion fuel is lacked, and has realized the comprehensive reasonable of resource and utilized.
With reference to Fig. 2, according to embodiment of the present utility model, the system further comprises:Hydrogen gas storage device 500, the hydrogen
Gas storage device is connected with hydrogen outlet and hydrogen inlet, for hydrogen to be stored to and is stably conveyed to hydrogen fuel cell hair
Electric installation 400.
Hydrogen fuel cell TRT 400:According to embodiment of the present utility model, the hydrogen fuel cell TRT 400
With hydrogen inlet, oxygen intake, discharge outlet and electricity output end, wherein, hydrogen inlet is connected with hydrogen outlet, using hydrogen with
Oxygen reaction is generated electricity.Thus, not only generating toggle speed is fast, exports stable electric power, strong environmental adaptability, and electrification
Unique byproduct is reacted for water, energy-conserving and environment-protective, it is to avoid the discharge of lead, sulfuric acid and other acid contaminants.
According to embodiment of the present utility model, the hydrogen fuel cell TRT 400 includes:Fuel cell pack, hydro-thermal control
Device and electronic-controlled installation processed, wherein, fuel cell pack has hydrogen inlet, oxygen intake, water out and electricity output end, fuel
Battery pile receives the hydrogen and oxidant of supply, exports galvanic current;Hydro-thermal controller has water inlet and discharge outlet, water
Entrance is connected with water out, and the hydro-thermal controller is by the way that the water produced in fuel cell pack power generation process and heat are constantly discharged
Device, so as to ensure the temperature and humidity of device normal work;Electronic-controlled installation and fuel cell pack and hydro-thermal controller phase
Even, controlled accordingly for the working condition of each part in monitoring device, and according to current working condition so that device
Each part cooperate, the function of common finishing device, and simultaneously have protection and alarm function, it is ensured that equipment safety is steady
Surely run.
According to embodiment of the present utility model, the generated output of hydrogen fuel cell TRT 400 is 3MW, generating efficiency
Up to 70%.
According to embodiment of the present utility model, hydrogen fuel cell TRT 400 further comprises water chiller 410, should
Water chiller 410 is used to be cooled down the high-temperature water produced in power generation process, and cooling water outlet temperature is to less than 20 DEG C, after cooling
Water return to fuel cell pack, it is cooled down, control generating set temperature is maintained at less than 300 DEG C of middle low temperature shape
State.
With reference to Fig. 2, according to embodiment of the present utility model, the system further comprises:Air purifier 700, the air
Clarifier 700 is connected with the oxygen intake of hydrogen fuel cell TRT 400, for carrying out dedusting, drying and de- CO to air2
Processing, the air after being purified is used to generate electricity.Thus, dust blocking device is prevented, and improves generating efficiency.
For the ease of understanding foregoing refuse pyrolysis electricity generation system, a kind of foregoing refuse pyrolysis of utilization is provided herein and generated electricity
The method that system is generated electricity.With reference to Fig. 3, according to embodiment of the present utility model, it is to being generated electricity using foregoing refuse pyrolysis
The method generated electricity of uniting is explained, and this method includes:
S100 pyrolysis processings
According to embodiment of the present utility model, rubbish is delivered to refuse pyrolysis plant and carries out pyrolysis processing, is pyrolyzed
Carbon and pyrolysis oil gas.Thus, pyrolysis gas is prepared using house refuse, raw material sources are wide, and production cost is low, with higher economy
Property.
According to embodiment of the present utility model, the temperature of the pyrolysis processing is 700-900 degrees Celsius, and the time is 1.5-2.5
Hour.Thus, the efficiency high of pyrolysis processing, less energy consumption.
According to embodiment of the present utility model, the composition (V%) of pyrolysis gas can be with as shown in the table:
S200 cooling treatments
According to embodiment of the present utility model, pyrolysis oil gas is delivered to pyrolysis oil Gas Cooler and carries out cooling treatment, is obtained
To the pyrolysis gas and oil water mixture of cooling.Thus, initial gross separation is carried out to the tar and pyrolysis gas in pyrolysis oil gas.
According to embodiment of the present utility model, pyrolysis oil Gas Cooler includes circulating cooling water pump.Thus, cooling effect
It is good, efficiency high, low cost.
The processing of S300 Oil-gas Separations
According to embodiment of the present utility model, the pyrolysis gas of cooling is delivered to tar trap and carried out at Oil-gas Separation
Reason, obtains tar and pyrolysis gas.Thus, depth separation is carried out to the tar and pyrolysis gas in pyrolysis oil gas.
According to embodiment of the present utility model, the flow velocity of the pyrolysis gas of the cooling in tar trap is 1.0m/s, is had
Effect trap time is 3s.Thus, the arresting efficiency of tar is high, and effect is good, and the arresting efficiency of tar is up to 99%.
S400 purified treatments
According to embodiment of the present utility model, pyrolysis gas is delivered to activated carbon adsorber and carries out purified treatment, obtains net
Pyrolysis gas after change.Thus, the impurity such as the dust being pyrolyzed in oil gas and hydrogen sulfide are effectively removed, dust blocking device is prevented, and
And the purity of the hydrogen subsequently obtained is higher.
S500 Hydrogen Separation purification processes
According to embodiment of the present utility model, the pyrolysis gas after purification is delivered to hydrogen pressure-swing absorption apparatus and carries out hydrogen
Separating-purifying processing, obtains hydrogen and tail gas.Hydrogen pressure-swing absorption apparatus has using adsorbent under different partial pressures to adsorbate
Different adsorption capacities, and under certain adsorptive pressure, there is selection to adsorb each component of separated admixture of gas
Characteristic from the pyrolysis gas after purification separating-purifying hydrogen, obtain hydrogen and tail gas.Thus, will with hydrogen pressure-swing absorption apparatus
Hydrogen in refuse pyrolysis gas carries out separating-purifying, and the multipath for realizing pyrolysis gas is utilized, and there is provided a kind of new hydrogen
Production system, technical support is provided for the extensive use of hydrogen.
According to embodiment of the present utility model, hydrogen pressure-swing absorption apparatus includes:Multiple pressure-variable adsorption components, the plurality of change
Pressure absorbent module is arranged in hydrogen pressure-swing absorption apparatus, and the plurality of pressure-variable adsorption component is connected in series.Thus, point of hydrogen
It is good from refining effect.
According to embodiment of the present utility model, the plurality of pressure-variable adsorption component is 4-6 pressure-variable adsorption component.Thus, hydrogen
The pure efficiency high of air lift, effect is good, and hydrogen recovery rate is up to more than 90%, and the purity of hydrogen is up to more than 95%.
According to embodiment of the present utility model, the adsorptive pressure scope of the hydrogen pressure-swing absorption apparatus is 0.6-2.0MPa.
Thus, to the selection advantages of good adsorption effect of hydrogen, the purity of hydrogen is high.
According to embodiment of the present utility model, hydrogen is stored using hydrogen gas storage device and hydrogen combustion is stably conveyed to
Expect power plant.
, will using tail gas return pipeline due to containing substantial amounts of combustible gas in tail gas according to embodiment of the present utility model
Tail gas returns to refuse pyrolysis plant, provides fuel for refuse pyrolysis, reduces the dependence of system external portion fuel, and realizes money
The comprehensive reasonable in source is utilized.
S600 generates electricity
According to embodiment of the present utility model, hydrogen is delivered to hydrogen fuel cell TRT and sent out with oxygen reaction
Electricity.Thus, not only generating toggle speed is fast, exports stable electric power, strong environmental adaptability, and the unique byproduct of electro-chemical reaction
For water, energy-conserving and environment-protective, it is to avoid the discharge of lead, sulfuric acid and other acid contaminants.
According to embodiment of the present utility model, the hydrogen fuel cell TRT includes:Fuel cell pack, hydro-thermal controller
And electronic-controlled installation, wherein, fuel cell pack has hydrogen inlet, oxygen intake, water out and electricity output end, fuel cell
Pile receives the hydrogen and oxidant of supply, exports galvanic current;Hydro-thermal controller has water inlet and discharge outlet, and water enters
Mouth is connected with water out, and the hydro-thermal controller is constantly discharged by the water and heat that will be produced in fuel cell pack power generation process and filled
Put, so as to ensure the temperature and humidity of device normal work;Electronic-controlled installation is connected with fuel cell pack and hydro-thermal controller,
Controlled accordingly for the working condition of each part in monitoring device, and according to current working condition so that device
Each part cooperates, the function of common finishing device, and has protection and alarm function simultaneously, it is ensured that safe and stable arrangement
Run on ground.According to embodiment of the present utility model, hydrogen fuel cell TRT 400 further comprises water chiller 410, the water
Cooler 410 is used to be cooled down the high-temperature water produced in power generation process, and cooling water outlet temperature is to less than 20 DEG C, after cooling
Water returns to fuel cell pack, and it is cooled down, and control generating set temperature is maintained at less than 300 DEG C of middle low temperature shape
State.
According to embodiment of the present utility model, the generated output of hydrogen fuel cell TRT is 3MW, and generating efficiency reaches
70%.
According to embodiment of the present utility model, this method further comprises:Air purifier 700, to air carry out dedusting,
Dry and de- CO2Etc. purified treatment, the air after being purified is used to generate electricity.Thus, dust blocking device is prevented, and improves hair
Electrical efficiency.
Below with reference to specific embodiment, the utility model is illustrated, it is necessary to which explanation is, these embodiments are only
It is illustrative, and it is not intended that to limitation of the present utility model.
Embodiment 1
Using the refuse pyrolysis electricity generation system of the utility model embodiment, generated electricity by raw material of house refuse, specifically
Method is as shown in figure 4, flow is as follows:
(1) using continous way garbage pyrolysis furnace processing house refuse, its pyrolysis temperature is 800 DEG C, and pyrolysis time is 2h, heat
Yield of venting one's spleen is 4.4 × 103Nm3/h。
(2) pyrolysis gas that pyrolysis oven is produced enters pyrolysis gas cooling tower rapid cooling by short distance pipeline, obtains high temperature oil
Aqueous mixtures and the pyrolysis gas of cooling, the supporting circulating cooling water pump of the cooling tower, circulating cooling water is 800m3/ h, pyrolysis gas
Temperature is down to less than 80 DEG C.20 DEG C of low-temperature cooling water is delivered to after pyrolysis gas cooling tower by circulating cooling water pump, the height of generation
Warm oil water mixture flows out from pyrolysis gas cooling tower, the otherwise processed into oil water separator.
(3) pyrolysis gas after cooling is delivered into tar trap further to handle.Tar trap uses electric tar method,
Tar separation in pyrolysis gas is handled, the pyrolysis gas after being separated, the tar trapped out enters tar storage tank by pipeline, burnt
It is 1.0m/s that gas velocity is pyrolyzed in trap for oil, and effective trap time is 3s, and efficiency is up to 99%.
(4) pyrolysis gas after separating further is handled into activated carbon adsorber.Activated carbon is loaded in activated carbon adsorber
Adsorbent, can be by the benzene in pyrolysis gas, H2The gas removals such as S, dust, the pyrolysis gas after being purified.
(5) pyrolysis gas after purifying enters hydrogen pressure-swing absorber, and hydrogen pressure-swing absorber is using adsorbent in difference point
Pressure has different adsorption capacities to adsorbate, and under certain adsorptive pressure, to each of separated admixture of gas
The characteristic that component has selection to adsorb carrys out purifying hydrogen of hydrogen.It is made up of in pressure-swing absorber 4 adsorbers serials, adsorptive pressure scope is
1~3MPa, adsorbent uses activated carbon, and hydrogen recovery rate is more than 95%.Hydrogen after purification is stored up into hydrogen high pressure storage tank
Deposit, remaining pyrolysis gas is back to garbage pyrolysis furnace and used as supplement fuel.
(6) air purifier has air cleaning, drying, de- CO2Function, the air after purification be delivered to hydrogen fuel electricity
Pond pile.
(7) hydrogen fuel cell generating set is made up of fuel cell pile, hydro-thermal control unit and ECU, is matched somebody with somebody in addition
Cover water chiller.The generated output of generating set is 3MW, and generating efficiency is up to 70%.Hydrogen is delivered to fuel electricity by hydrogen-holder
Pond pile, at this with the oxygen reaction in the air supplied from air purifier, output direct current and heat production production water;Hydro-thermal control
Unit processed is by the water that will be produced in hydrogen fuel cell power generation process and hot constantly discharge system, so as to ensure the normal work of system
The temperature and humidity of work;ECU is used for the working condition of each unit in monitoring system, and is entered according to current working condition
The corresponding control of row so that each unit of system cooperates, the common function of completing system, and there is protection simultaneously and accuse
Alert function.Generating set production water high-temperature water from delivery port exit into cooler cooling, cooling water outlet temperature to less than 20 DEG C,
Water after cooling returns to fuel cell pile, and it is cooled down, and control generating set temperature is maintained at less than 300 DEG C
Middle low-temperature condition.
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 the 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
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model limits by claim and its equivalent.