CN206280971U - The system of house refuse and flying dust Combined Treatment - Google Patents
The system of house refuse and flying dust Combined Treatment Download PDFInfo
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- CN206280971U CN206280971U CN201621299121.1U CN201621299121U CN206280971U CN 206280971 U CN206280971 U CN 206280971U CN 201621299121 U CN201621299121 U CN 201621299121U CN 206280971 U CN206280971 U CN 206280971U
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Abstract
The utility model discloses house refuse and the system of flying dust Combined Treatment, including：There is pretreatment unit, the pretreatment unit house refuse entrance and pretreating waste to export；There is revolving bed pyrolysis oven, the revolving bed pyrolysis oven pretreating waste entrance, oil gas vent and pyrolytic carbon to export, and the pretreating waste entrance is connected with pretreating waste outlet；Gas and oil separating plant, the gas and oil separating plant has oil gas entrance, pyrolysis gas outlet and pyrolysis oil export, and the oil gas entrance is connected with the oil gas vent；There is melting furnace, the melting furnace flying dust entrance, pyrolysis gas entrance and solids to export, and the pyrolysis gas entrance is connected with the pyrolysis gas outlet.Can realize that house refuse and the innoxious of flying dust, minimizing are processed using the system, and cost is relatively low, it is environmentally friendly, it is particularly well-suited to industrialization promotion and application.
Description
Technical field
The utility model is related to field of environment engineering, and specifically, the utility model is related to house refuse and flying dust to combine
The system for the treatment of.
Background technology
With it is economical develop rapidly, the continuous growth of population and the increasingly raising of living standards of the people, China's life
The yield of rubbish is also sharply increased, current about 200,000,000 tons of yield of Municipal Solid Waste in China year, and annual also left with 10%
Right speed increases, and very big burden is caused to environment, there is 2/3 predicament for facing " garbage-surrounded city " in national big city.
The conventional landfill of current garbage disposal, composting mode have been absorbed in and have taken at a discount tired of a large amount of lands used, composting production
Border, and the mode of incineration treatment of garbage cannot break away from the problem of bioxin pollution all the time, and substantial amounts of flying dust is produced, flying dust
Treatment can not show a candle to people's will, as link the weakest in consumer waste incineration overall process Environmental capacity and risk management.
Flying dust treatment is main in the world at present has soil (including geology) disposal and building materialsization to utilize two technology paths.But
It is that China's domestic garbage incineration flyash is in terms of clay treatment there are still problems.Because yield is huge, hazardous waste
Security landfill limited space, it is impossible to meet flying dust disposal needs, correspondingly admission high cost, has bioxin in the middle of practice
Class and part heavy metal (such as Pb) are difficult to stably reach the problem into the standard of sanitary filling field.Aspect is utilized in building materials,
Cement kiln synergic processing flying dust (and sintering similar therewith prepares haydite technique) have alternative part material, treating capacity compared with
Big, bioxin can completely destroy removal, the resource more advantage such as thorough, relative inexpensiveness by fire, but the chlorine high of flying dust, high-alkali
Characteristic causes that water-washing pre-treatment must be carried out into before cement kiln, reluctant washing waste water is produced, while also resulting in
The content of heavy metal increases more than several times in cement, causes pollution transportation, diffusion and extends, and does not meet dangerous waste disposal
" environmental risk minimum " principle.
Thus, the means for the treatment of house refuse and flying dust still have much room for improvement at present.
Utility model content
The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality
It is the system for proposing house refuse and flying dust Combined Treatment with a new purpose, life rubbish can be realized using the system
Rubbish and the innoxious of flying dust, minimizing treatment, and cost is relatively low, it is environmentally friendly, it is particularly well-suited to industrialization promotion and application.
In one side of the present utility model, it is the utility model proposes a kind of house refuse and flying dust Combined Treatment
System.According to embodiment of the present utility model, the system includes：There is pretreatment unit, the pretreatment unit house refuse to enter
Mouth and pretreating waste outlet, the pretreatment unit is suitable to pre-process the house refuse, to remove inorganic matter
Crushed with to house refuse, obtain pretreating waste；Revolving bed pyrolysis oven, the revolving bed pyrolysis oven has pretreatment rubbish
Rubbish entrance, oil gas vent and pyrolytic carbon outlet, the pretreating waste entrance are connected with pretreating waste outlet；Oil gas point
From device, the gas and oil separating plant have oil gas entrance, pyrolysis gas outlet and pyrolysis oil export, the oil gas entrance with it is described
Oil gas vent is connected；There is melting furnace, the melting furnace flying dust entrance, pyrolysis gas entrance and solids to export, the pyrolysis gas
Entrance is connected with the pyrolysis gas outlet, and the burning that the pyrolysis gas are suitable for flying dust in the melting furnace provides heat.
Thus, house refuse and the system of flying dust Combined Treatment according to the utility model embodiment, first with pre- place
Reason device removes the inorganic matters such as metal, glass, fragment of brick and is crushed, and obtains pretreating waste；Secondly it is pretreating waste is straight
Connect supply to be dried to revolving bed pyrolysis oven and pulverization process, obtain pyrolytic carbon and pyrolysis oil gas；Finally pyrolysis oil gas is through oil
The isolated pyrolysis gas of air separation are passed through in melting furnace, the heat for needed for fusing fly ash is provided, and consolidate fusing fly ash
Change heavy metal, to obtain glassy state solidfied material up to standard, carry out direct landfill disposal.Thus, it is above-mentioned using the utility model
The system of embodiment can realize the Combined Treatment of house refuse and flying dust, and the fuel gas needed for fusing fly ash stove is by house refuse
It is pyrolyzed the pyrolysis gas for producing to provide, the pyrolysis product of house refuse has been obtained reasonable utilization, greatly reduce processing cost, drops
Energy consumption needed for low fusing fly ash stove, will not produce pollutant bioxin in whole processing procedure, environmentally friendly, and this is
The innoxious of system, minimizing level are high, are particularly well-suited to industrialization promotion and application.
Optionally, the system of above-mentioned house refuse and flying dust Combined Treatment is further included：
Fluidized gasification device, the fluidized gasification device has pyrolytic carbon entrance and gasification gas exit, the heat
Solution charcoal entrance is connected with pyrolytic carbon outlet, and the gasification gas exports the regenerative gas spoke with the revolving bed pyrolysis oven
Pipe burner is penetrated to be connected.
Optionally, the pretreatment unit includes the magnetic plant, disintegrating apparatus and the heap filter hole that are sequentially connected.
Optionally, there is dry section and pyrolysis zone in the revolving bed pyrolysis oven.
Optionally, the revolving bed pyrolysis oven is without heat carrier heat accumulating type rotating bed pyrolysis oven, without the rotation of heat carrier heat accumulating type
The thermal source of rotated bed pyrolysis oven is heat storage type gas radiation pipe burner.
Additional aspect of the present utility model and advantage 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.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is illustrated according to the house refuse of the utility model one embodiment and the system architecture of flying dust Combined Treatment
Figure；
Fig. 2 is illustrated according to the house refuse of the utility model another embodiment and the system architecture of flying dust Combined Treatment
Figure；
Fig. 3 is to use the house refuse of the utility model one embodiment and the system of flying dust Combined Treatment by house refuse
With the method flow schematic diagram that flying dust carries out Combined Treatment；
Fig. 4 is will life rubbish using the house refuse of the utility model further embodiment and the system of flying dust Combined Treatment
Rubbish and flying dust carry out the method flow schematic diagram of Combined Treatment；
Fig. 5 is illustrated according to the house refuse of the utility model another embodiment and the system architecture of flying dust Combined Treatment
Figure.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
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 Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that unless otherwise clearly defined and limited, term " connected "
Should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can mechanically connect,
It can also be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals
Connection or two interaction relationships of element, unless otherwise clearly restriction.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can as the case may be understood.
In one side of the present utility model, it is the utility model proposes a kind of house refuse and flying dust Combined Treatment
System.According to embodiment of the present utility model, the system includes：Pretreatment unit 100, revolving bed pyrolysis oven 200, Oil-gas Separation dress
Put 300 and melting furnace 400.
Wherein, pretreatment unit 100 has house refuse entrance 101 and pretreating waste outlet 102, pretreatment unit
100 are suitable to pre-process house refuse, to remove inorganic matter and to crush house refuse, obtain pre-processing rubbish
Rubbish；Revolving bed pyrolysis oven 200 has pretreating waste entrance 201, oil gas vent 202 and pyrolytic carbon outlet 203, pretreating waste
Entrance 201 is connected with pretreating waste outlet 102；Gas and oil separating plant 300 has oil gas entrance 301, the and of pyrolysis gas outlet 302
Pyrolysis oil export 303, oil gas entrance 301 is connected with oil gas vent 202；There is melting furnace 400 flying dust entrance 401, pyrolysis gas to enter
Mouthfuls 402 and solids outlet 403, pyrolysis gas entrance 402 is connected 302 with pyrolysis gas outlet, and pyrolysis gas are suitable in melting furnace winged
The burning of ash provides heat.
Below with reference to Fig. 1 and Fig. 2 to the house refuse according to the utility model embodiment and the system of flying dust Combined Treatment
It is described in detail：
According to embodiment of the present utility model, there is pretreatment unit 100 house refuse entrance 101 and pretreating waste to go out
Mouth 102, pretreatment unit 100 is suitable to pre-process house refuse, to remove inorganic matter and to carry out powder to house refuse
It is broken, obtain pretreating waste.Specifically, the inorganic matters, this kind of inorganic matter such as part metals, glass, fragment of brick are contained in house refuse
The resource such as pyrolytic carbon or pyrolysis oil gas cannot be generated in follow-up pyrolysis processing, and will be mixed with the house refuse of inorganic matter carries out heat
Solution treatment can also increase the energy consumption of pyrolysis processing and reduce the efficiency of pyrolysis processing.According to embodiment of the present utility model, invention
People has found, before house refuse is carried out into pyrolysis processing, in advance removes the inorganic matters such as metal therein, glass, fragment of brick, and
House refuse is crushed, the efficiency and reducing energy consumption of pyrolysis processing can be significantly improved.
According to embodiment of the present utility model, pretreatment unit 100 includes that the magnetic plant 110 being sequentially connected, crushing set
For 120 and heap filter hole 130.Magnetic plant 110 is suitable to remove the metal being mixed with house refuse, and disintegrating apparatus 120 is suitable to life
Rubbish living is crushed, and heap filter hole 130 is suitable to for house refuse to carry out heap filter treatment, to reduce the moisture content of house refuse.Invention
People is had found, if the moisture content of pretreating waste is too high, it will the efficiency for making follow-up dried process and pyrolysis processing is reduced, energy consumption
Increase, pretreating waste heap according to specific embodiment of the utility model, can be filtered to moisture content and be less than 40 weight %, by
This, can significantly improve the efficiency of dried process and pyrolysis processing, and reduce the energy consumption for the treatment of.
According to embodiment of the present utility model, revolving bed pyrolysis oven 200 has pretreating waste entrance 201, oil gas vent
202 and pyrolytic carbon outlet 203, revolving bed pyrolysis oven 200 is suitable to for pretreating waste to be dried place in revolving bed pyrolysis oven
Reason and pyrolysis processing, to obtain pyrolytic carbon and pyrolysis oil gas.According to embodiment of the present utility model, revolving bed pyrolysis oven 200
It is that, without heat carrier heat accumulating type rotating bed pyrolysis oven, the thermal source without heat carrier heat accumulating type rotating bed pyrolysis oven is radiated for regenerative gas
Pipe burner.Specifically, revolving bed pyrolysis oven can be used without heat carrier heat accumulating type rotating bed, without heat carrier heat accumulating type rotating bed
Including revolving bed pyrolysis chamber, ring-shaped furnace bottom and be located at respectively the upper and lower heat storage type gas radiation pipe burner of ring-shaped furnace bottom and
The mechanisms such as oil gas vent, discharging, heat storage type gas radiation pipe burner is arranged in annular furnace wall, and by burning, pressure-variable adsorption is obtained
CO, CH4Deng gas, the heat needed for refuse pyrolysis are provided in the way of heat radiation.Cloth in the middle of ring-shaped furnace bottom and upper radiant tube
Tar spray equipment is equipped with, the flue gas in radiant tube completely cuts off with the atmosphere in revolving bed, and revolving bed is in anaerobic state.
According to embodiment of the present utility model, there is dry section 210 and pyrolysis zone 220 in revolving bed pyrolysis oven 200, dry
Area 210 is suitable to be dried pretreating waste treatment, and pyrolysis zone 220 is suitable to carry out at pyrolysis the pretreatment through dried process
Reason.
According to embodiment of the present utility model, the temperature for being suitable to set in dry section 210 is 300~400 degrees Celsius, thus
Treatment is dried under 300~400 degrees Celsius, the moisture in pretreating waste can be further removed, pyrolysis processing is improved
Efficiency.According to embodiment of the present utility model, the temperature for being suitable to set in pyrolysis zone 220 is 600~900 degrees Celsius, thus
Pyrolysis processing is carried out at 600~900 degrees Celsius, can make fully to be pyrolyzed through dry pretreating waste, to obtain pyrolytic carbon
With pyrolysis oil gas.
According to embodiment of the present utility model, gas and oil separating plant 300 has oil gas entrance 301, the and of pyrolysis gas outlet 302
Pyrolysis oil export 303, oil gas entrance 301 is connected with oil gas vent 202, and gas and oil separating plant 300 is suitable to carry out pyrolysis oil gas
Oil-gas Separation treatment, to obtain pyrolysis oil and pyrolysis gas.Specifically, the pyrolysis oil gas that domestic garbage pyrolysis are produced can be entered
Row spray Quench, condenses the pyrolysis oil in pyrolysis oil gas, and collection is available for recirculating fluidized bed to be used as fuel；And it is isolated
Pyrolysis gas it is purified after, can serve as the fuel gas of fusing fly ash stove in subsequent melt curing process.
According to embodiment of the present utility model, melting furnace 400 has flying dust entrance 401, pyrolysis gas entrance 402 and solids
Outlet 403, pyrolysis gas entrance 402 is connected 302 with pyrolysis gas outlet, and the burning offer that pyrolysis gas are suitable for flying dust in melting furnace is hot
Amount, melting furnace 400 is suitable to flying dust be burnt pyrolysis gas in melting furnace, to make fusing fly ash curing heavy metal, obtains
To the solids of glassy state.Specifically, flying dust is the product that waste incineration is obtained, wherein containing substantial amounts of heavy metal element and
SiO2Deng oxide, directly discharge can cause greatly pollution to environment.System of the present utility model by by pyrolysis gas with fly
Ash is burnt in melting furnace, makes the heavy metal melting and solidification in flying dust be the glassy solids thing for meeting standard of landfill, real
The harmless treatment of flying dust is showed.Additionally, the pyrolysis air lift that the fuel gas needed for fusing fly ash stove is produced by domestic garbage pyrolysis
For making the pyrolysis product of house refuse obtain reasonable utilization, while reducing the cost of fusing fly ash curing process.
According to embodiment of the present utility model, with reference to Fig. 2, the system of above-mentioned house refuse and flying dust Combined Treatment is further
Including：Fluidized gasification device 500, fluidized gasification device 500 has pyrolytic carbon entrance 501 and gasification gas exit 502, heat
Solution charcoal entrance 501 is connected with pyrolytic carbon outlet 203, the regenerative gas spoke of gasification gas outlet 502 and revolving bed pyrolysis oven 200
Penetrate pipe burner 20 to be connected, fluidized gasification device 500 is suitable to for pyrolytic carbon to carry out gasification process, to obtain gasification gas.
Specifically, the pyrolytic carbon for being obtained by refuse pyrolysis has certain combustion heat, belongs to the energy product of low heat value, by that will be pyrolyzed
Charcoal carries out gasification process in fluidized gasification device 500, and pyrolytic carbon can be made to be converted into calorific value gasification gas higher, and then
Gasification gas is passed through the radiant tube burner in revolving bed pyrolysis oven 200, is used as the fuel of revolving bed pyrolysis oven 200,
Thus, it is possible to significantly reduce the energy consumption of revolving bed pyrolysis oven 200.
Thus, house refuse and the system of flying dust Combined Treatment according to the utility model embodiment, are filled using pretreatment
Put the inorganic matters such as removing metal, glass, fragment of brick and crushed, obtain pretreating waste；Pretreating waste is directly fed to
Revolving bed pyrolysis oven is dried and pulverization process, obtains pyrolytic carbon and pyrolysis oil gas；Pyrolysis oil gas is through gas and oil separating plant point
It is passed through in melting furnace from the pyrolysis gas for obtaining, the heat for needed for fusing fly ash is provided makes fusing fly ash curing heavy metal, so as to
Glassy state solidfied material up to standard is obtained, direct landfill disposal is carried out.In addition, being entered to pyrolytic carbon by setting fluidized gasification device
Row gasification process obtains gasification gas, gasification gas is returned and is used as the fuel of revolving bed pyrolysis oven, can significantly reduce
The energy consumption of revolving bed pyrolysis oven.Thus, house refuse and flying dust can be realized using the system of the utility model above-described embodiment
Combined Treatment, fuel gas needed for fusing fly ash stove provides by the pyrolysis gas that domestic garbage pyrolysis are produced, and makes house refuse
Pyrolysis product has obtained reasonable utilization, greatly reduces processing cost, the energy consumption needed for reducing fusing fly ash stove, whole treatment
During will not produce pollutant bioxin, it is environmentally friendly, and the innoxious of the system, minimizing level are high, it is particularly suitable
In industrialization promotion and application.
Understand for convenience, below with reference to Fig. 3 and Fig. 4 to house refuse and the flying dust connection using the utility model embodiment
Be described in detail for the method that house refuse and flying dust carry out Combined Treatment by the system for closing treatment.According to reality of the present utility model
Example is applied, the method includes：
S100：Pretreatment
In the step, house refuse is pre-processed, and the pretreating waste after be removed inorganic matter and crushing.Tool
Body ground, containing inorganic matters such as part metals, glass, fragments of brick in house refuse, this kind of inorganic matter cannot be in follow-up pyrolysis processing
Generation pyrolytic carbon or the pyrolysis resource such as oil gas, and the house refuse of inorganic matter will be mixed with carry out pyrolysis processing and can also increase at pyrolysis
The energy consumption of reason simultaneously reduces the efficiency of pyrolysis processing.According to embodiment of the present utility model, inventor has found, enters by house refuse
Before row pyrolysis processing, the inorganic matters such as metal therein, glass, fragment of brick are removed in advance, and house refuse is crushed, can
To significantly improve the efficiency and reducing energy consumption of pyrolysis processing.
According to embodiment of the present utility model, the method pre-processed to house refuse can include artificial separation, magnetic
Choosing, crushing and heap filter.According to embodiment of the present utility model, will efficiently can be mixed with house refuse by artificial separation
The inorganic matters such as glass, fragment of brick are separated off；The magnetic metal of tool that will efficiently can be mixed with house refuse by magnetic separation
Remove；And then feeding heap filter hole after the house refuse of inorganic matter is crushed will have been removed, filter to reduce pretreating waste by heap
Moisture content, inventor has found, if the moisture content of pretreating waste is too high, it will make the effect of follow-up dried process and pyrolysis processing
Rate reduction, energy consumption increase, pretreating waste heap according to specific embodiment of the utility model, can be filtered to moisture content and be less than 40
Weight %, thus, it is possible to significantly improve the efficiency of dried process and pyrolysis processing, and reduces the energy consumption for the treatment of.
S200：Dried process and pyrolysis processing
In the step, pretreating waste is dried treatment and pyrolysis processing in revolving bed pyrolysis oven, to obtain
Pyrolytic carbon and pyrolysis oil gas.Specifically, revolving bed pyrolysis oven can be used without heat carrier heat accumulating type rotating bed, without heat carrier accumulation of heat
Formula revolving bed includes revolving bed pyrolysis chamber, ring-shaped furnace bottom and is located at the upper and lower regenerative gas radiant tube combustion of ring-shaped furnace bottom respectively
The mechanism such as burner and oil gas vent, discharging, heat storage type gas radiation pipe burner is arranged in annular furnace wall, by transformation of burning
CO, CH that absorption is obtained4Deng gas, the heat needed for refuse pyrolysis are provided in the way of heat radiation.Ring-shaped furnace bottom and upper radiation
Pipe intermediate arrangement has tar spray equipment, and the flue gas in radiant tube completely cuts off with the atmosphere in revolving bed, and revolving bed is in anaerobic shape
State.
According to embodiment of the present utility model, revolving bed pyrolysis oven is disposed with drying along the direction that ring-shaped furnace bottom is rotated
Area and pyrolysis zone, treatment is dried to pretreating waste in dry section, further to remove the moisture in pretreating waste,
And then pyrolysis processing is carried out to pretreating waste in pyrolysis zone, to obtain pyrolytic carbon and pyrolysis oil gas.
According to embodiment of the present utility model, the temperature of dried process is 300~400 degrees Celsius, it is possible thereby to further
The moisture in pretreating waste is removed, the efficiency of pyrolysis processing is improved.According to embodiment of the present utility model, the temperature of pyrolysis processing
It is 600~900 degrees Celsius to spend, it is possible thereby to make fully to be pyrolyzed through dry pretreating waste, to obtain pyrolytic carbon and pyrolysis
Oil gas.
S210：Gasification process
In the step, the pyrolytic carbon that will be obtained in S200 carries out gasification process in fluidized gasification device, to obtain
Gasification gas.Specifically, the pyrolytic carbon for being obtained by refuse pyrolysis has certain combustion heat, belongs to the energy product of low heat value,
Gasification process is carried out in fluidized gasification device by by pyrolytic carbon, pyrolytic carbon can be made to be converted into calorific value gasification of coal higher
Gas.
S220：The gasification gas that gasification process is obtained is used as the fuel gas of revolving bed pyrolysis oven
In the step, the regenerative gas that calorific value gasification gas higher is passed through in revolving bed pyrolysis oven will be obtained in S210
Radiant tube burner is burnt, and is used as the fuel of revolving bed pyrolysis oven, thus, it is possible to significantly reduce revolving bed pyrolysis oven
Energy consumption.
S300：Oil-gas Separation treatment
In the step, the pyrolysis oil gas that will be obtained in S200 carries out Oil-gas Separation treatment, to obtain pyrolysis oil and pyrolysis
Gas.Specifically, spray Quench can be carried out to the pyrolysis oil gas that domestic garbage pyrolysis are produced, makes the pyrolysis oil cooling in pyrolysis oil gas
Solidifying, collection is available for recirculating fluidized bed to be used as fuel；And after isolated pyrolysis gas are purified, can serve as subsequent melt
The fuel gas of fusing fly ash stove in curing process.
S400：Melting and solidification treatment
In the step, pyrolysis gas are burnt with flying dust in melting furnace, to make fusing fly ash curing heavy metal, obtained
To the solids of glassy state.Specifically, flying dust is the product that waste incineration is obtained, wherein containing substantial amounts of heavy metal element and
SiO2Deng oxide, directly discharge can cause greatly pollution to environment.System of the present utility model by by pyrolysis gas with fly
Ash is burnt in melting furnace, makes the heavy metal melting and solidification in flying dust be the glassy solids thing for meeting standard of landfill, real
The harmless treatment of flying dust is showed.Additionally, the pyrolysis air lift that the fuel gas needed for fusing fly ash stove is produced by domestic garbage pyrolysis
For making the pyrolysis product of house refuse obtain reasonable utilization, while reducing the cost of fusing fly ash curing process.
Thus, using the house refuse of the utility model embodiment and the system of flying dust Combined Treatment are by house refuse and fly
The method that ash carries out Combined Treatment is crushed by will remove the house refuse of the inorganic matters such as metal, glass, fragment of brick, supply to rotation
Rotated bed pyrolysis oven is dried and pulverization process, obtains pyrolytic carbon and pyrolysis oil gas, the heat that pyrolysis oil gas is obtained through gas-liquid separation
Vent one's spleen and be passed through the burning of fusing fly ash stove, there is provided the heat needed for fusing fly ash, make fusing fly ash curing heavy metal, to reach
Target glassy state solidfied material, carries out direct landfill disposal.Thus, using method of the present utility model can realize house refuse and
The Combined Treatment of flying dust, the fuel gas needed for fusing fly ash stove is provided by the pyrolysis gas that domestic garbage pyrolysis are produced, and makes life rubbish
The pyrolysis product of rubbish has obtained reasonable utilization, greatly reduces processing cost, the energy consumption needed for reducing fusing fly ash stove, entirely
Pollutant bioxin will not be produced in processing procedure, it is environmentally friendly, and the innoxious of the method, minimizing level are high, especially
Suitable for industrialization promotion and application.
Below with reference to specific embodiment, the utility model is described, it is necessary to explanation is, these embodiments are only
Descriptive, and the utility model is limited never in any form.
Embodiment
Pending house refuse moisture content is 55wt%, into being grouped into such as table 1, pending flyash ingredient composition such as table 2.
The house refuse of table 1 is into being grouped into (wt%)
| Title | Fabric | Plastics | Paper | Wooden bamboo | Food waste | Dregs | Glass, metal | Amount to |
| Wet basis | 3.53 | 25.96 | 14.94 | 7.44 | 28.91 | 11.58 | 7.64 | 100 |
The component characteristic of the flying dust of table 2
| Composition | Numerical value/wt% | Heavy metal | Content/mg/L |
| 5.49 | Ni | 92.6 | |
| MgO | 1.87 | Cd | 52.9 |
| CaO | 12.19 | Pb | 883.5 |
| 1.16 | Cu | 598.3 | |
| 20.42 | Zn | 7294.7 | |
| 48.95 | Cr | 101.2 | |
| 2.03 | |||
| 1.72 |
It is with reference to Fig. 5, house refuse is preprocessed, sort out the fabric, plastics, glass and the metal that are wherein mixed with etc. inorganic
Thing, then after crushing, feeding heap filter hole carries out heap filter treatment, the moisture content of pretreating waste is less than 40wt%；
Pretreating waste is supplied in without heat carrier heat accumulating type rotating bed pyrolysis oven, first in dry section dried process,
The temperature of dried process is 350 degrees Celsius, removes the moisture in pretreating waste, and then into carrying out at pyrolysis in pyrolysis zone
Reason, the temperature of pyrolysis processing is 700 degrees Celsius, obtains pyrolytic carbon and pyrolysis oil gas；
The pyrolytic carbon feeding circulating fluidized bed gasification device that will be obtained carries out gasification process, to obtain gasification gas, will
Gasification gas is used as the fuel without heat carrier heat accumulating type rotating bed pyrolysis oven；
The pyrolysis oil gas that will be obtained carries out Oil-gas Separation treatment, to obtain pyrolysis oil and pyrolysis gas；
Pyrolysis gas are burnt with flying dust in melting furnace, to make fusing fly ash curing heavy metal, glassy state is obtained
Solids, the solids that will be obtained filled.
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
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with
Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (5)
1. the system of a kind of house refuse and flying dust Combined Treatment, it is characterised in that including：
There is pretreatment unit, the pretreatment unit house refuse entrance and pretreating waste to export, the pretreatment unit
It is suitable to pre-process the house refuse, to remove inorganic matter and to crush house refuse, obtains pre-processing rubbish
Rubbish；
There is revolving bed pyrolysis oven, the revolving bed pyrolysis oven pretreating waste entrance, oil gas vent and pyrolytic carbon to export, described
Pretreating waste entrance is connected with pretreating waste outlet；
Gas and oil separating plant, the gas and oil separating plant has oil gas entrance, pyrolysis gas outlet and pyrolysis oil export, the oil gas
Entrance is connected with the oil gas vent；
There is melting furnace, the melting furnace flying dust entrance, pyrolysis gas entrance and solids to export, the pyrolysis gas entrance with it is described
Pyrolysis gas outlet is connected, and the burning that the pyrolysis gas are suitable for flying dust in the melting furnace provides heat.
2. the system of house refuse according to claim 1 and flying dust Combined Treatment, it is characterised in that further include：
Fluidized gasification device, the fluidized gasification device has pyrolytic carbon entrance and gasification gas exit, the pyrolytic carbon
Entrance is connected with pyrolytic carbon outlet, and the gasification gas exports the regenerative gas radiant tube with the revolving bed pyrolysis oven
Burner is connected.
3. the system of house refuse according to claim 1 and flying dust Combined Treatment, it is characterised in that the pretreatment dress
Put magnetic plant, disintegrating apparatus and heap filter hole including being sequentially connected.
4. the system of house refuse according to claim 1 and flying dust Combined Treatment, it is characterised in that the revolving bed heat
There is dry section and pyrolysis zone in solution stove.
5. the system of house refuse according to claim 1 and flying dust Combined Treatment, it is characterised in that the revolving bed heat
Solution stove is that, without heat carrier heat accumulating type rotating bed pyrolysis oven, the thermal source without heat carrier heat accumulating type rotating bed pyrolysis oven is regenerative gas
Radiant tube burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621299121.1U CN206280971U (en) | 2016-11-29 | 2016-11-29 | The system of house refuse and flying dust Combined Treatment |
Applications Claiming Priority (1)
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| CN108485718A (en) * | 2018-01-16 | 2018-09-04 | 张波 | Two sections of townhouse formula refuse pyrolysis gasification furnaces |
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