CN105903749A - Household garbage treatment method and system - Google Patents
Household garbage treatment method and system Download PDFInfo
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- CN105903749A CN105903749A CN201610383895.0A CN201610383895A CN105903749A CN 105903749 A CN105903749 A CN 105903749A CN 201610383895 A CN201610383895 A CN 201610383895A CN 105903749 A CN105903749 A CN 105903749A
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- outlet
- import
- oil
- pyrolysis
- anaerobic digestion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
- F23G5/0273—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using indirect heating
Abstract
The invention provides a household garbage treatment system. The household garbage treatment system comprises a storage tank, an oil separator, a rotating bed pyrolyzing furnace, an indirect condenser and an oil and water separating device. The invention further provides a method. The method comprises the steps of sending combustible materials in household garbage to the rotating bed pyrolyzing furnace for anaerobic pyrolysis; sending a pyrolytic gas-liquid mixture generated by the pyrolysis to the indirect condenser, sending the pyrolytic liquid after condensation to the oil and water separating device, then separating the pyrolytic liquid into pyrolytic oil and pyrolytic water, and sending the separated pyrolytic oil to the oil separator; sending restaurant-kitchen garbage to the storage tank, so as to obtain an oil-water mixture of the restaurant-kitchen garbage after standing separation, sending the oil-water mixture to the oil separator, and sending separated oil products to the rotating bed pyrolyzing furnace, so that pyrolytic reaction of the oil products occurs, and pyrolysis gas including CO and H2 is generated. The household garbage treatment system and the method are favorable for the industrialized application of household garbage treatment, and real harmlessness, reduction and reclamation are realized.
Description
Technical field
The invention belongs to changing rejected material to useful resource process field, particularly relate to one way of life garbage disposal
Method and system.
Background technology
Currently, the generation amount of house refuse is increasing, and causes air, soil, water source etc.
Pollution be also gradually increased, be China and one of great environmental problem that countries in the world face.
At present the heat treatment technics that the combustible in house refuse is main is had and directly burn and pyrolysis utilization
Two kinds.But burn the calorific value to house refuse and require higher, and secondary pollution is serious, particularly two
The emission problem of English, governs the extensive application of this technology.Pyrolysis is the environment in anaerobic or anoxia
Under, material is heated, generates the products such as pyrolysis oil, pyrolysis gas and pyrolytic carbon, keep away from principle
Having exempted from the generation of two English, the most most heavy metal incorporates lime-ash in pyrolytic process, decreases
Discharge capacity.But can produce pyrolysis oil aqueous mixtures after domestic garbage pyrolysis, its character is complicated, it is difficult to make
Sell for product, and relatively big, costly to this partial thermal decomposition oil water mixture intractability；With
Time the pyrolysis gas calorific value that obtains of refuse pyrolysis relatively low, when selling as product, price is relatively low, economical imitates
Benefit is poor.
Changing food waste in house refuse mainly family, dining room and catering industry etc. produce raw food and add
Work residue and edible residue, its complicated component, mainly oil, water, peel, vegetable, rice and flour etc.
The mixture of many kinds of substance, not only pollutes environment, affects the appearance of the city, also can spread disease, harmful to human
Healthy；And changing food waste moisture content is high, this part water, if carried out pyrolysis processing, not only wastes
The energy, also add operating cost.Traditional changing food waste treatment technology mainly aerobic compost, detest
Oxygen digestion etc..Owing to changing food waste oil content is higher, conventional individual processing mode is difficult to it effective
Utilizing, therefore the resource level of this part oil is relatively low；Changing food waste needs in anaerobic digestion process
Absorbing heat, if carried out heating, insulation, then cost can be caused to increase, economic benefit is the highest；Meal
After the anaerobic digestion of refuse of kitchen, the biogas slurry of discharge, biogas residue, utilize desiccation apparatus can prepare Nutrition Soil, when
Making fertilizer to sell, but anhydration system institute calorific requirement is more, conventional sunlight mummification canopy required time is longer,
Floor space is excessive, deficiency in economic performance.
Owing to prior art exists many deficiencies in terms of to domestic rubbish disposal, the most how to improve life
Technology of garbage disposal alive, raising processes economic benefit, economizes on resources, more preferably realizes industrial applications,
Become people's problem demanding prompt solution.
Summary of the invention
In order to solve the problem that prior art exists in terms of to domestic rubbish disposal, the present invention proposes
The processing method of one way of life rubbish and system, the application present invention can make domestic rubbish disposal economy imitate
Benefit is preferable, resource level is higher, it is easy to accomplish industrial applications.
The present invention proposes one way of life refuse disposal system, including material storage container, oil interceptor, revolving bed heat
Solve stove, indirect condenser, oily-water seperating equipment；
Described material storage container includes changing food waste import, oil water mixture outlet；
Described oil interceptor includes oil water mixture import, pyrolysis oil import, oil product outlet；
Described revolving bed pyrolysis oven includes rubbish combustible import, oil product import, pyrolysis gas liquid outlet；
Described indirect condenser includes being pyrolyzed gas-liquid import, pyrolytic behavior outlet, pyrolysis gas outlet, air
Entrance, heat exchange air outlet slit；
Described oily-water seperating equipment includes pyrolytic behavior import, pyrolysis oil outlet, pyrolysis water out；
The pyrolysis gas liquid outlet of described revolving bed pyrolysis oven and the pyrolysis gas-liquid import of described indirect condenser
It is connected；
The outlet of described indirect condenser pyrolytic behavior is connected with the pyrolytic behavior import of described oily-water seperating equipment；
The oil water mixture outlet of described material storage container is connected with oil interceptor oil water mixture import；
The pyrolysis oil of the pyrolysis oil import of described oil interceptor and oily-water seperating equipment exports and is connected, described every
The oil product outlet of oil sump is connected with the oil product import of revolving bed pyrolysis oven.
Further, described domestic garbage treating system also includes that anaerobic digestion device, described anaerobism disappear
Gasifying device includes anaerobic digestion import, biogas slurry and biogas residue outlet, thermal source inlet, methane outlet；
Described material storage container also includes solid matter outlet；
Described revolving bed pyrolysis oven also includes radial canal fuel gas inlet and radial canal exhanst gas outlet；
The anaerobic digestion import phase of the solid matter outlet of described material storage container and described anaerobic digestion device
Even；
The thermal source inlet phase of anaerobic digestion device described in the radial canal exhanst gas outlet of described revolving bed pyrolysis oven
Even.
Further, described domestic garbage treating system also includes purifier；
Described purifier includes pyrolysis gas import, purifies pyrolysis gas outlet；
The pyrolysis gas import of described purifier is connected with the pyrolysis gas outlet of described indirect condenser.
Further, described domestic garbage treating system also includes desiccation apparatus；
Described desiccation apparatus includes biogas slurry and biogas residue import, Nutrition Soil discharging opening, heat exchange air intake, remaining
Hot air outlet；
The biogas slurry and biogas residue import of described desiccation apparatus exports phase with described anaerobic digestion device biogas slurry and biogas residue
Even；
The heat exchange air outlet slit of described indirect condenser is connected with the heat exchange air intake of desiccation apparatus；
The waste heat air outlet slit of described desiccation apparatus is connected with air.
Further, reducing mechanism, regulation are set between described material storage container and described anaerobic digestion device
Device, described material storage container and described anaerobic digestion device are by described reducing mechanism, described adjusting means
It is connected；
Described reducing mechanism includes solid material import, comminuting matter outlet；
Described adjusting means includes comminuting matter import, regulation material outlet；
The solid material import of described reducing mechanism is connected with the solid matter outlet of material storage container, described powder
The comminuting matter outlet of crushing device is connected with the comminuting matter import of described adjusting means；
The regulation material outlet of described adjusting means enters with the anaerobic digestion material of described anaerobic digestion device
Mouth is connected.
Further, described domestic garbage treating system also includes sorting unit, breaker；
Described sorting unit includes house refuse import, combustiblerefuse outlet, changing food waste outlet；
Described breaker includes combustiblerefuse import, combustible outlet；
The house refuse import of described sorting unit is used for sending into house refuse, the meal of described sorting unit
Kitchen garbage outlet is connected with the changing food waste import of material storage container；
The combustiblerefuse outlet of described sorting unit is connected with the combustiblerefuse import of described breaker；
The combustible outlet of described breaker is connected with the rubbish combustible import of revolving bed pyrolysis oven.
The present invention also proposes the method for one way of life rubbish, comprises the steps:
Combustible in house refuse is sent in described revolving bed pyrolysis oven and carries out anoxybiotic pyrolysis；
Pyrogenous origin pyrolysis gas liquid mixture in described revolving bed pyrolysis oven is sent into described indirect condensing
Device, described pyrolysis gas liquid mixture condenses at described indirect condenser；
Condensed for described indirect condenser pyrolytic behavior is sent into described oily-water seperating equipment, at described oil
Pyrolytic behavior is separated into pyrolysis oil and pyrolysis water by water separation device, isolated described pyrolysis oil is sent
Enter in described oil interceptor, by isolated described pyrolysis water qualified discharge after treatment；
Described changing food waste is sent into described material storage container, and this changing food waste stands in described material storage container and divides
Obtain changing food waste oil water mixture after from, this changing food waste oil water mixture is sent into described oil interceptor
In；
In described oil interceptor, separate described changing food waste oil water mixture, the oil product of isolated is sent
Enter in described revolving bed pyrolysis oven, make oil product generation pyrolytic reaction, generate pyrolysis gas CO, H2。
Further, further comprising the steps of:
Described changing food waste in described material storage container after standing separation, this kitchen rubbish that will obtain after separating
Solid material in rubbish is pulverized, regulation, delivers to ferment in described anaerobic digestion device；
By pipeline, the radial canal flue gas of described revolving bed pyrolysis oven radial canal is delivered to described anaerobism disappear
In gasifying device, provide heat to described anaerobic digestion of kitchen wastes；
Described changing food waste is sent into described anaerobic digestion device, through anaerobic digestion, forms methane, natural pond
Liquid and biogas residue.
Further, further comprising the steps of:
Biogas slurry, the biogas residue described anaerobic digestion collected are sent in described desiccation apparatus；
By the air heat-exchange medium in described indirect condenser, mixed by the pyrolysis gas-liquid with 500～600 DEG C
Compound carries out heat exchange, and air themperature rises to 200～300 DEG C, and the air after then will heat up is delivered to described
In desiccation apparatus, for being dried described biogas slurry, biogas residue provides heat.
Further, also comprise the following steps: pyrolysis gas condensed in described indirect condenser
Send into described purifier, the pyrolysis gas being purified.
The beneficial effects of the present invention is:
(1) oil product being passed through revolving bed pyrolysis furnace feed inlet of the present invention includes the oil in changing food waste
And the pyrolysis oil that pyrolysis produces, not only solve the reluctant problem of oil product, also improve pyrolysis gas
The productivity of middle combustible component and calorific value, make whole technique include higher economic benefit.
(2) heat needed for anaerobic digestion of kitchen wastes is from more than revolving bed pyrolysis oven radial canal flue gas
Heat, is not only effectively improved systematic heat utilization rate, also reduces process operation cost.
(3) being condensed pyrolysis gas liquid mixture by indirect condenser, heat transferring medium is air,
Heat needed for kitchen garbage drying device, from the heat exchange air of indirect condenser, can prepare Gao Pin
The Nutrition Soil of matter, also efficiently utilizes the waste heat that technique produces.
(4) combustible in house refuse and changing food waste are separated process by the present invention, the most flammable
Water content of matter is low, calorific value is higher, can be prepared the pyrolysis gas of high yield, high heating value by pyrolysis；Meal
Kitchen msw water content, oil content are higher, the moisture in changing food waste can be gone as far as possible by oil interceptor
Remove, decrease process energy consumption, decrease operating cost.
The whole technique of the present invention finally can obtain the pyrolysis gas of high heating value, biogas, and by biogas slurry, natural pond
Slag prepares Nutrition Soil by desiccation apparatus, it is achieved that product diversification, maximization of economic benefit.This work
Skill does not has secondary pollution problem, and its operating cost is relatively low, heat recovery rate high, and will life rubbish
Combustible in rubbish and changing food waste have carried out the industrialization of collaborative process, beneficially domestic rubbish disposal should
With, it is achieved that real " innoxious, minimizing, resource ".
Accompanying drawing explanation
Fig. 1 is the one way of life refuse disposal system structural representation of the embodiment of the present invention.
Fig. 2 is the flow chart of the one way of life waste disposal method of the embodiment of the present invention.
Reference in accompanying drawing is as follows:
1, sorting unit；2, breaker；3, revolving bed pyrolysis oven；4, indirect condenser；
5, purifier；6, material storage container；7, oil interceptor；8, oily-water seperating equipment；
9, reducing mechanism；10, adjusting means；11, anaerobic digestion device；12, desiccation apparatus.
Detailed description of the invention
Illustrate embodiments of the present invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, the one way of life refuse disposal system structural representation of the embodiment of the present invention, figure
Include sorting unit 1, breaker 2, revolving bed pyrolysis oven 3, indirect condenser 4, purify dress
Put 5, material storage container 6, oil interceptor 7, oily-water seperating equipment 8, reducing mechanism 9, adjusting means 10,
Anaerobic digestion device 11, desiccation apparatus 12.
It can be seen from figure 1 that sorting unit 1 includes house refuse import, combustiblerefuse outlet, kitchen rubbish
Rubbish exports.The house refuse import of sorting unit 1 is connected with house refuse, sorting unit 1 flammable
Garbage outlet is connected with the combustiblerefuse import of breaker 2, the changing food waste outlet of sorting unit 1
It is connected with material storage container 6 changing food waste import.
See that Fig. 1, breaker 2 include combustiblerefuse import, combustible outlet.Breaker 2 can
Combustion thing outlet is connected with the rubbish combustible import of revolving bed pyrolysis oven 3.
It can be seen from figure 1 that revolving bed pyrolysis oven 3 includes rubbish combustible import, oil product import, pyrolysis
Charcoal outlet, pyrolysis gas liquid outlet, radial canal fuel gas inlet and radial canal exhanst gas outlet.Revolving bed is pyrolyzed
The pyrolysis gas liquid outlet of stove 3 is connected with the pyrolysis gas-liquid import of indirect condenser 4.Revolving bed pyrolysis oven 3
Pyrolytic carbon outlet be connected with conveyer device (not shown) pyrolytic carbon charging aperture.Revolving bed is pyrolyzed
The radial canal exhanst gas outlet of stove 3 is connected with the thermal source inlet of anaerobic digestion device 11.Revolving bed pyrolysis oven
3 use radial canal to heat house refuse, keep anoxybiotic environment, the cigarette that radial canal is discharged in burner hearth
Gas is in order to anaerobic digestion of kitchen wastes device 11 heat supply.
As it is shown in figure 1, indirect condenser 4 includes being pyrolyzed gas-liquid import, pyrolysis gas outlet, pyrolytic behavior
Outlet, air intake, heat exchange air outlet slit.The pyrolysis gas outlet of indirect condenser 4 and described purification
The pyrolysis gas import of device is connected, pyrolytic behavior outlet and the oily-water seperating equipment 8 of indirect condenser 4
Pyrolytic behavior import is connected, the heat exchange air outlet slit of indirect condenser 4 and the heat exchange air of desiccation apparatus 12
Entrance is connected.
As it is shown in figure 1, purifier 5 includes pyrolysis gas import, purifies pyrolysis gas outlet.Purify dress
Put the pyrolysis gas import of 5 to be connected with the pyrolysis gas outlet of indirect condenser 4.
See that Fig. 1, material storage container 6 include changing food waste import, oil water mixture outlet, solid matter outlet.
The oil water mixture outlet of material storage container 6 is connected with oil interceptor 7 oil water mixture import, material storage container 6
Solid matter outlet is connected with reducing mechanism 9 solid material import.
It can be seen from figure 1 that oil interceptor 7 includes oil water mixture import, pyrolysis oil import, oil product outlet.
The pyrolysis oil import of oil interceptor 7 exports with the pyrolysis oil of oily-water seperating equipment 8 and is connected, oil interceptor 7
Oil product outlet is connected with the oil product import of revolving bed pyrolysis oven 3.
It can be seen from figure 1 that oily-water seperating equipment 8 includes pyrolytic behavior import, pyrolysis oil outlet, pyrolysis water
Outlet.
It can be seen from figure 1 that reducing mechanism 9 includes solid material import, comminuting matter outlet.Pulverize dress
Put the solid material import of 9 to be connected with the solid matter outlet of material storage container 6, the pulverizing of reducing mechanism 9
Material outlet is connected with the comminuting matter import of adjusting means 10.
It can be seen from figure 1 that adjusting means 10 includes comminuting matter import, regulation material outlet.Regulation dress
Put 10 regulation material outlet be connected with the anaerobic digestion import of anaerobic digestion device 11.
Be also shown in from Fig. 1, anaerobic digestion device 11 include anaerobic digestion import, biogas slurry and biogas residue outlet,
Thermal source inlet, methane outlet.Biogas slurry and biogas residue outlet and the desiccation apparatus 12 of anaerobic digestion device 11
Biogas slurry and biogas residue import is connected.
Being also shown in from Fig. 1, desiccation apparatus 12 includes biogas slurry and biogas residue import, Nutrition Soil discharging opening, heat exchange
Air intake, waste heat air outlet slit.The waste heat air outlet slit of desiccation apparatus 12 is connected with air.
As in figure 2 it is shown, embodiment gives one way of life waste disposal method, step is as follows:
A, house refuse pretreatment: the house refuse that moisture content is 45%～65% is sent into material pit (figure
Not shown in) in heap filter 4～7 days, then moisture content is down to the house refuse of about 30% and is delivered to
Sorting unit 1, removes the inorganic matters such as wherein most metal, dregs.House refuse after sorting is divided into
Two kinds, one is the combustibles such as plastics, waste paper, biomass, delivers to crush in breaker 2；
Another kind is the changing food waste such as peel, dish leaf, delivers in material storage container 6.
B, Combustible Materials: the combustible obtained through pretreatment is delivered in revolving bed pyrolysis oven 3 enter
Row anoxybiotic is pyrolyzed, and the main equipment of revolving bed pyrolysis oven 3 includes revolving bed pyrolysis oven, upper and lower combustion gas spoke
Penetrate pipe burner and rubbish combustible import, pyrolysis gas liquid outlet, pyrolytic carbon outlet etc..Flammable
The uniform cloth of thing is on ring-shaped furnace bottom, and rotates continuously, and ring-shaped furnace bottom is positioned in the middle of upper and lower radial canal, spoke
Penetrate pipe and be arranged in annular furnace wall.Combustible concurrently gives birth to pyrolytic reaction along with furnace bottom rotates, and generates pyrolysis gas
Liquid mixture and pyrolytic carbon.Pyrolysis gas liquid mixture passes through revolving bed pyrolysis oven 3 end top pyrolysis gas
Liquid outlet is discharged, and enters follow-up indirect condenser 4；Pyrolytic carbon goes to revolving bed pyrolysis oven 3 end,
Discharged by the outlet of bottom of furnace body pyrolytic carbon.Due to combustible through pyrolysis after pyrolytic carbon productivity less,
Ash is higher, calorific value is the lowest, and is not belonging to hazardous waste, can directly enter landfill yard and carry out landfill stabilization.
In revolving bed pyrolysis oven 3, the temperature of upper and lower radial canal is set as 600 DEG C～900 DEG C, in radial canal
Flue gas and the atmosphere isolation in revolving bed pyrolysis oven, revolving bed pyrolysis oven is in anaerobic, anoxybiotic state.
Radial canal uses heat accumulation type radiant tube, and exhaust gas temperature is relatively low, only 130～150 DEG C, is carried by pipeline
To anaerobic digestion device 11, provide heat to anaerobic digestion of kitchen wastes.
Pyrolysis gas liquid mixture is after indirect condenser 4, and the pyrolytic behavior under condensation enters oil-water separation
In device 8, isolated pyrolysis oil is sent in oil interceptor 7, and residue pyrolysis water is up to standard after entering process
Discharge.Heat transferring medium in indirect condenser 4 is air, by heat exchange 500～the pyrolysis gas-liquid of 600 DEG C
Mixture, rises to 200～300 DEG C by air themperature.It is then sent in desiccation apparatus 12, for biogas slurry
Biogas residue mummification provides heat.
Pyrolysis gas liquid mixture is after indirect condenser 4, and the pyrolysis gas obtained is through purifier 5
After, it is possible to obtain the pyrolysis gas of high heating value, and sell as product.
C, changing food waste pretreatment: the changing food waste obtained through sorting unit 1, in material storage container 6
Standing separation 1～2 days, the changing food waste oil water mixture of discharge is isolated with oily-water seperating equipment 8
Pyrolysis oil together enters in oil interceptor 7.The oil product of oil interceptor 7 isolated delivers to revolving bed pyrolysis oven 3
In, make oil product generation pyrolytic reaction, generate a large amount of CO, H2Deng pyrolysis gas.
The solid material that material storage container 6 obtains is delivered in reducing mechanism 9 pulverize, then by adjusting
The regulation effect of regulating device 10, is adjusted to optimum level by the pH of material, moisture content etc..
D, anaerobic digestion of kitchen wastes: changing food waste, after pretreatment, delivers to anaerobic digestion device
Fermenting in 11, the temperature in anaerobic digestion device controls at 30～50 DEG C.The biogas slurry collected afterwards
Biogas residue transports in desiccation apparatus 12 again, and the temperature in desiccation apparatus controls at 80～120 DEG C.Can prepare
Nutrition Soil, sells as product.
Embodiment 1:
Using certain city's domestic waste is raw material, and moisture percentage in sewage sludge is 52%, its Industrial Analysis and unit
Element is analyzed as follows table:
The Industrial Analysis of table 1 raw material and elementary analysis
Table 1 Chinese and English abbreviation implication is as follows:
Mad---air is dried the moisture of raw material；
Aad---air is dried the content of ashes of raw material；
Vad---air is dried the volatile matter content of raw material；
FCad---air is dried the fixed carbon content of raw material；
Cad---air is dried the carbon content of raw material；
Had---air is dried the hydrogen content of raw material；
Nad---air is dried the nitrogen content of raw material；
St, ad---air is dried the total sulphur content of raw material.
House refuse sends into sorting unit after material pit heap is filtered 4 days, removes metal therein, soil slag
Deng inorganic matter, and the combustibles such as waste paper, plastics, fabric are sorted out from house refuse, conveying
To breaker, then carry out revolving bed pyrolysis oven pyrolysis processing, by obtaining respectively after condensation, purification
To pyrolytic carbon, pyrolysis gas and pyrolysis oil aqueous mixtures.After sorting, remaining changing food waste sends into material storage container
In, wherein solid material is tentatively pulverized, then carries out Anaerobic Digestion after overregulating system,
The changing food waste oil water mixture that material storage container is collected together is delivered to domestic garbage pyrolysis oil water mixture
Oil interceptor, upper strata oil product returns again to carry out second pyrolysis to revolving bed pyrolysis oven, and remaining sewage is carried out
Purified treatment, qualified discharge.Revolving bed pyrolysis oven uses radial canal to heat house refuse, stove
Keep anoxybiotic environment in thorax, the flue gas that radial canal is discharged in order to anaerobic digestion of kitchen wastes device heat supply,
To prepare biogas.The calorific value of the pyrolysis gas obtained is 4600kcal/Nm3, the calorific value of biogas is 5600
kcal/Nm3。
Embodiment 2:
Using the house refuse of certain community, moisture content is 45%, its each component percentages such as following table:
Each component percentages of table 2 raw material
House refuse sends into sorting unit after material pit heap is filtered 6 days, removes metal therein, soil slag
Deng inorganic matter, and the combustibles such as waste paper, plastics, fabric are sorted out from house refuse, conveying
To breaker, then carry out revolving bed pyrolysis oven pyrolysis processing, by obtaining respectively after condensation, purification
To pyrolytic carbon, pyrolysis gas and pyrolysis oil aqueous mixtures.After sorting, remaining changing food waste sends into material storage container
In, wherein solid material is tentatively pulverized, then carries out Anaerobic Digestion after overregulating system,
The changing food waste oil water mixture that material storage container is collected together is delivered to domestic garbage pyrolysis oil water mixture
Oil interceptor, upper strata oil product returns again to carry out second pyrolysis to revolving bed pyrolysis oven, and remaining sewage is carried out
Purified treatment, qualified discharge.Revolving bed pyrolysis oven uses radial canal to heat house refuse, stove
Keeping anoxybiotic environment in thorax, the flue gas that radial canal is discharged is in order to anaerobic digestion of kitchen wastes device heat supply
To prepare biogas.The calorific value of the pyrolysis gas obtained is 4500kcal/Nm3, the calorific value of biogas is 5800
kcal/Nm3。
It should be noted that each embodiment above by reference to described by accompanying drawing is only in order to illustrate the present invention
And unrestricted the scope of the present invention, it will be understood by those within the art that, without departing from this
The amendment on the premise of bright spirit and scope carried out the present invention or equivalent, all should contain
Within the scope of the present invention.
Claims (10)
1. one way of life refuse disposal system, including material storage container, oil interceptor, revolving bed pyrolysis oven,
Connect condenser, oily-water seperating equipment；
Described material storage container includes changing food waste import, oil water mixture outlet；
Described oil interceptor includes oil water mixture import, pyrolysis oil import, oil product outlet；
Described revolving bed pyrolysis oven includes rubbish combustible import, oil product import, pyrolysis gas liquid outlet；
Described indirect condenser includes being pyrolyzed gas-liquid import, pyrolytic behavior outlet, pyrolysis gas outlet, air
Entrance, heat exchange air outlet slit；
Described oily-water seperating equipment includes pyrolytic behavior import, pyrolysis oil outlet, pyrolysis water out；
The pyrolysis gas liquid outlet of described revolving bed pyrolysis oven and the pyrolysis gas-liquid import of described indirect condenser
It is connected；
The outlet of described indirect condenser pyrolytic behavior is connected with the pyrolytic behavior import of described oily-water seperating equipment；
The oil water mixture outlet of described material storage container is connected with oil interceptor oil water mixture import；
The pyrolysis oil of the pyrolysis oil import of described oil interceptor and oily-water seperating equipment exports and is connected, described every
The oil product outlet of oil sump is connected with the oil product import of revolving bed pyrolysis oven.
Domestic garbage treating system the most according to claim 1, it is characterised in that described life
Refuse disposal system also include anaerobic digestion device, described anaerobic digestion device include anaerobic digestion import,
Biogas slurry and biogas residue outlet, thermal source inlet, methane outlet；
Described material storage container also includes solid matter outlet；
Described revolving bed pyrolysis oven also includes radial canal fuel gas inlet and radial canal exhanst gas outlet；
The anaerobic digestion import phase of the solid matter outlet of described material storage container and described anaerobic digestion device
Even；
The thermal source inlet phase of anaerobic digestion device described in the radial canal exhanst gas outlet of described revolving bed pyrolysis oven
Even.
Domestic garbage treating system the most according to claim 1, it is characterised in that described life
Refuse disposal system also includes purifier；
Described purifier includes pyrolysis gas import, purifies pyrolysis gas outlet；
The pyrolysis gas import of described purifier is connected with the pyrolysis gas outlet of described indirect condenser.
Domestic garbage treating system the most according to claim 2, it is characterised in that described life
Refuse disposal system also includes desiccation apparatus；
Described desiccation apparatus includes biogas slurry and biogas residue import, Nutrition Soil discharging opening, heat exchange air intake, remaining
Hot air outlet；
The biogas slurry and biogas residue import of described desiccation apparatus exports phase with described anaerobic digestion device biogas slurry and biogas residue
Even；
The heat exchange air outlet slit of described indirect condenser is connected with the heat exchange air intake of desiccation apparatus；
The waste heat air outlet slit of described desiccation apparatus is connected with air.
Domestic garbage treating system the most according to claim 2, it is characterised in that described storing
Arranging reducing mechanism, adjusting means between pond and described anaerobic digestion device, described material storage container is with described
Anaerobic digestion device is connected by described reducing mechanism, described adjusting means；
Described reducing mechanism includes solid material import, comminuting matter outlet；
Described adjusting means includes comminuting matter import, regulation material outlet；
The solid material import of described reducing mechanism is connected with the solid matter outlet of material storage container, described powder
The comminuting matter outlet of crushing device is connected with the comminuting matter import of described adjusting means；
The regulation material outlet of described adjusting means enters with the anaerobic digestion material of described anaerobic digestion device
Mouth is connected.
Domestic garbage treating system the most according to claim 1, it is characterised in that described life
Refuse disposal system also includes sorting unit, breaker；
Described sorting unit includes house refuse import, combustiblerefuse outlet, changing food waste outlet；
Described breaker includes combustiblerefuse import, combustible outlet；
The house refuse import of described sorting unit is used for sending into house refuse, the meal of described sorting unit
Kitchen garbage outlet is connected with the changing food waste import of material storage container；
The combustiblerefuse outlet of described sorting unit is connected with the combustiblerefuse import of described breaker；
The combustible outlet of described breaker is connected with the rubbish combustible import of revolving bed pyrolysis oven.
7. one kind processes house refuse with domestic garbage treating system described in any one of claim 1-6
Method, comprises the steps:
Combustible in house refuse is sent in described revolving bed pyrolysis oven and carries out anoxybiotic pyrolysis；
Pyrogenous origin pyrolysis gas liquid mixture in described revolving bed pyrolysis oven is sent into described indirect condensing
Device, described pyrolysis gas liquid mixture condenses at described indirect condenser；
Condensed for described indirect condenser pyrolytic behavior is sent into described oily-water seperating equipment, at described oil
Pyrolytic behavior is separated into pyrolysis oil and pyrolysis water by water separation device, isolated described pyrolysis oil is sent
Enter in described oil interceptor, by isolated described pyrolysis water qualified discharge after treatment；
Described changing food waste is sent into described material storage container, and this changing food waste stands in described material storage container and divides
Obtain changing food waste oil water mixture after from, this changing food waste oil water mixture is sent into described oil interceptor
In；
In described oil interceptor, separate described changing food waste oil water mixture, the oil product of isolated is sent
Enter in described revolving bed pyrolysis oven, make oil product generation pyrolytic reaction, generate pyrolysis gas CO, H2。
Method the most according to claim 7, it is characterised in that further comprising the steps of:
Described changing food waste in described material storage container after standing separation, this kitchen rubbish that will obtain after separating
Solid material in rubbish is pulverized, regulation, delivers to ferment in described anaerobic digestion device；
By pipeline, the radial canal flue gas of described revolving bed pyrolysis oven radial canal is delivered to described anaerobism disappear
In gasifying device, provide heat to described anaerobic digestion of kitchen wastes；
Described changing food waste is sent into described anaerobic digestion device, through anaerobic digestion, forms methane, natural pond
Liquid and biogas residue.
Method the most according to claim 8, it is characterised in that further comprising the steps of:
Biogas slurry, the biogas residue described anaerobic digestion collected are sent in described desiccation apparatus；
By the air heat-exchange medium in described indirect condenser, mixed by the pyrolysis gas-liquid with 500～600 DEG C
Compound carries out heat exchange, and air themperature rises to 200～300 DEG C, and the air after then will heat up is delivered to described
In desiccation apparatus, for being dried described biogas slurry, biogas residue provides heat.
Method the most according to claim 8, it is characterised in that also comprise the following steps:
In described indirect condenser, described purifier will be sent into by condensed pyrolysis gas, be purified
Pyrolysis gas.
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