CN106391672A - System and method for disposing house refuse - Google Patents
System and method for disposing house refuse Download PDFInfo
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- CN106391672A CN106391672A CN201611088345.2A CN201611088345A CN106391672A CN 106391672 A CN106391672 A CN 106391672A CN 201611088345 A CN201611088345 A CN 201611088345A CN 106391672 A CN106391672 A CN 106391672A
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- rubbish
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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
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
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- 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
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- Environmental & Geological Engineering (AREA)
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a system and method for disposing house refuse. The system comprises a stockpiling device, a rotary hearth furnace, a spiral discharging machine, a smashing device and a cooling tower. The stockpiling device is provided with a house refuse inlet, a refuse percolate outlet and an outlet of house refuse after pretreatment; the rotary hearth furnace is provided with an inlet of house refuse after pretreatment, a high-temperature oil and gas outlet and a refuse carbon outlet; the spiral discharging machine is provided with a refuse percolate inlet, a refuse carbon inlet, a water steam outlet, a wet refuse carbon outlet and a percolate outlet mixed up with the refuse carbon; the smashing device is provided with a wet refuse carbon inlet and a refuse carbon powder outlet; the cooling tower is provided with a refuse carbon powder inlet, a high-temperature oil and gas inlet, a dry refuse carbon outlet and a water-contained oil and gas outlet; by the adoption of the system, organic volatile matter in percolate can be recycled while high-temperature oil and gas and refuse carbon are cooled, and therefore resource utilization of the house refuse is achieved.
Description
Technical field
The invention belongs to resource reclaim recycle field, specifically, the present invention relates to process house refuse system and
Method.
Background technology
Number of patent application 201110372346.0 discloses a kind of regenerative gas radial canal rotary hearth furnace domestic garbage dry distilling
Method, in the method, rubbish is heated to 400～700 degrees Celsius by anoxybiotic in rotary hearth furnace, generates oil gas and the rubbish charcoal of high temperature.
Wherein, the type of cooling of the oil gas of high temperature and rubbish charcoal generally adopts the direct spraying cooling of recirculated water, leads to not reclaim high temperature
Oil gas and the waste heat of rubbish charcoal, cause energy waste.
During waste treatment and disposal, for reducing the moisture content of rubbish, it usually needs rubbish is stacked.Stacking process
In, rubbish is compacted, and the liquid of the organic or inorganic composition of high concentration that microbial decomposition produces is percolate.Rubbish
Leachate quality is complicated, containing multiple poisonous and hazardous inorganic matters and Organic substance.Generally, using incinerator, percolate is entered
Spray of going back is processed, but directly returns spray process using percolate and need to consume amount of heat, and percolate intractability is big, costly.
Therefore, the existing technology processing house refuse is further improved.
Content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this reason, the present invention
One purpose is to propose a kind of system and method processing house refuse, can be to high-temperature oil gas and rubbish using this system
The recovery of organic volatile matter in percolate is realized, thus realizing the recycling of house refuse while charcoal is cooled down.
In one aspect of the invention, the present invention proposes a kind of system processing house refuse, according to the reality of the present invention
Apply example, this system includes：
Heap cryopreservation device, described heap cryopreservation device has life rubbish after house refuse entrance, percolate outlet and pretreatment
Rubbish exports；
Rotary hearth furnace, described rotary hearth furnace has house refuse entrance after pretreatment, high-temperature oil gas outlet and the outlet of rubbish charcoal, institute
After stating pretreatment, house refuse entrance is connected with house refuse outlet after described pretreatment；
Spiral discharging machine, described spiral discharging machine has percolate entrance, rubbish charcoal entrance, steam outlet, wet
Rubbish charcoal exports and is mingled with the percolate outlet of rubbish charcoal, and described percolate entrance exports phase with described percolate
Even, described rubbish charcoal entrance is connected with the outlet of described rubbish charcoal；
Reducing mechanism, described reducing mechanism has wet refuse charcoal entrance and the outlet of rubbish powdered carbon, described wet refuse charcoal entrance
It is connected with the outlet of described wet refuse charcoal；And
Cooling tower, described cooling tower has rubbish powdered carbon entrance, high-temperature oil gas entrance, the outlet of garbage drying charcoal and wet oil
Gas exports, and described rubbish powdered carbon entrance is connected with the outlet of described rubbish powdered carbon.
Thus, the system of process house refuse according to embodiments of the present invention is passed through to ooze the rubbish obtaining in heap cryopreservation device
Obtain rubbish charcoal in filtrate and rotary hearth furnace to supply to the helical axis of spiral discharging machine, on the one hand can be to the spiral shell of spiral discharging machine
Spin axis plays the effect of cooling, and another aspect percolate can be sprayed to rubbish charcoal by the pore of distribution on helical axis
Cooling, and during above-mentioned spraying cooling, a part of percolate is vaporized into water vapour because of rubbish charcoal waste heat, and rubbish
Charcoal through with percolate heat exchange after, the temperature of the wet refuse charcoal of gained is remarkably reduced, and then gained is adsorbed with diafiltration
The wet refuse charcoal of liquid is supplied together with the high-temperature oil gas obtained by rotary hearth furnace after carrying out smashing process and carries out heat exchange to cooling tower,
While cooling down high-temperature oil gas, in rubbish powdered carbon, the percolate of absorption is vaporized into steam by the waste heat of high-temperature oil gas to rubbish powdered carbon
State, and Organic substance therein is heated decomposition, obtains garbage drying charcoal and aqueous oil gas, aqueous oil gas can have through subsequent treatment
Effect reclaims oil therein and organic volatile matter.Thus, high-temperature oil gas and rubbish charcoal can cooled down using this system
While realize the recovery of organic volatile matter in percolate, thus realizing the recycling of house refuse.
In addition, the system processing house refuse according to the above embodiment of the present invention, can also have the skill added as follows
Art feature：
In some embodiments of the invention, the described system processing house refuse further includes：Defecator, described
Defecator has and is mingled with the percolate entrance of rubbish charcoal, filters charcoal outlet and filtrate outlet, described is mingled with oozing of rubbish charcoal
Filtrate inlet is connected with the described percolate outlet being mingled with rubbish charcoal, and described filtration charcoal exports and described wet refuse charcoal entrance phase
Even.Thus, by separating rubbish charcoal and percolate, be conducive to the process respectively of follow-up rubbish charcoal and percolate, thus improving
Final garbage drying charcoal and the grade of aqueous oil gas.
In some embodiments of the invention, the described system processing house refuse further includes：Rubbish charcoal storage tank, institute
State rubbish charcoal storage tank and there is reservoir inlet and outlet, described reservoir inlet is connected with the outlet of described rubbish powdered carbon, described storage
Tank outlet is connected with described cooling tower.Thus, be conducive to adjusting the export volume of rubbish powdered carbon in rubbish charcoal storage tank, thus improving cold
But heat exchange efficiency in tower.
In some embodiments of the invention, the described system processing house refuse further includes：Diafiltration liquid storage tank, institute
State diafiltration liquid storage tank and there is charging aperture and discharging opening, described charging aperture is connected with described filtrate outlet, described discharging opening and institute
State cooling tower to be connected.Thus, be conducive to adjusting the export volume of filtrate in diafiltration liquid storage tank, thus improving further in cooling tower
Heat exchange efficiency.
In some embodiments of the invention, described steam outlet is connected with described cooling tower.Thus, be conducive to into one
Step improves heat exchange efficiency in cooling tower.
In some embodiments of the invention, the described system processing house refuse further includes：Gas and oil separating plant,
Described gas and oil separating plant has aqueous oil gas entrance, water out, pyrolysis oil export and pyrolysis gas outlet, and described aqueous oil gas enters
Mouth is connected with described aqueous oil gas vent.Thus, it is advantageously implemented the recycling of house refuse.
In another aspect of the invention, the present invention proposes a kind of method processing house refuse, according to the present invention's
Embodiment, the method includes：
(1) house refuse is supplied and carry out storing up process to described heap cryopreservation device, to obtain percolate and pre-
House refuse after process；
(2) house refuse after described pretreatment is supplied and carry out pyrolysis processing to described rotary hearth furnace, to obtain high temperature
Oil gas and rubbish charcoal；
(3) described rubbish charcoal and described percolate are supplied and carry out heat exchange process to described spiral discharging machine, so that
Obtain water vapour, wet refuse charcoal and the percolate being mingled with rubbish charcoal；
(4) described wet refuse charcoal is supplied and carry out pulverization process to described reducing mechanism, to obtain rubbish powdered carbon；
(5) described rubbish powdered carbon and described high-temperature oil gas are supplied and carry out heat exchange process to described cooling tower, so that
To garbage drying charcoal and aqueous oil gas.
In some embodiments of the invention, in step (2), the temperature of described high-temperature oil gas is Celsius for 500～900
Degree；Optional, in step (3), the temperature of described wet refuse charcoal is 20～70 degrees Celsius；Optional, in step (4), institute
The particle diameter stating rubbish powdered carbon is 0.5～3mm；Optional, in step (5), the temperature of described aqueous oil gas is taken the photograph for 300～500
Family name's degree.
Thus, the rubbish that the method for process house refuse according to embodiments of the present invention obtains during passing through to store up oozes
Obtain rubbish charcoal in filtrate and pyrolytic process to supply to the helical axis of spiral discharging machine, on the one hand can be to spiral discharging machine
Helical axis plays the effect of cooling, and another aspect percolate can be sprayed to rubbish charcoal by the pore of distribution on helical axis
Drench cooling, and during above-mentioned spraying cooling, a part of percolate is vaporized into water vapour because of rubbish charcoal waste heat, and rubbish
Rubbish charcoal through with percolate heat exchange after, the temperature of the wet refuse charcoal of gained is remarkably reduced, and is then adsorbed with gained and oozes
The wet refuse charcoal of filtrate is supplied together with the high-temperature oil gas obtained by pyrolytic process after carrying out smashing process and carries out to cooling tower
Heat exchange, while cooling down high-temperature oil gas, in rubbish powdered carbon, the percolate of absorption is vaporized rubbish powdered carbon by the waste heat of high-temperature oil gas
Become steam condition, and Organic substance therein is heated and decomposes, and obtains garbage drying charcoal and aqueous oil gas, aqueous oil gas is located through follow-up
Reason can efficient recovery oil therein and organic volatile matter.Thus, it is can be to high-temperature oil gas and rubbish charcoal using the method
The recovery of organic volatile matter in percolate is realized, thus realizing the recycling of house refuse while cooling.
In addition, the method processing iron content greasy filth according to the above embodiment of the present invention can also have the technology added as follows
Feature：
In some embodiments of the invention, the described method processing house refuse further includes：(6) it is mingled with described
The percolate of rubbish charcoal supplies and carries out filtration treatment to described defecator, to obtain filtering charcoal and filtrate, and by institute
State filtration charcoal and supply and carry out described smashing process to described reducing mechanism.Thus, by separating rubbish charcoal and percolate, favorably
In the process respectively of follow-up rubbish charcoal and percolate, thus improving the grade of final garbage drying charcoal and aqueous oil gas.
In some embodiments of the invention, the described method processing house refuse further includes：(7) by described rubbish
Rubbish powdered carbon and described high-temperature oil gas supply before carrying out heat exchange process to described cooling tower, supply described rubbish powdered carbon in advance
To described rubbish charcoal storage tank, and the rubbish powdered carbon in described rubbish charcoal storage tank is supplied to described cooling tower and described high temperature
Oil gas carries out heat exchange process.Thus, be conducive to adjusting the export volume of rubbish powdered carbon in rubbish charcoal storage tank, thus improving in cooling tower
Heat exchange efficiency.
In some embodiments of the invention, the described method processing house refuse further includes：(8) by described filtration
Liquid supplies and is stored to described diafiltration liquid storage tank, and the percolate of described diafiltration liquid storage tank is supplied to described cooling tower
Carry out heat exchange process with described high-temperature oil gas.Thus, be conducive to adjusting the export volume of filtrate in diafiltration liquid storage tank, thus entering one
Step improves heat exchange efficiency in cooling tower.
In some embodiments of the invention, the described method processing house refuse further includes：(9) described water is steamed
Gas is supplied and is carried out described heat exchange process to described cooling tower with described high-temperature oil gas.Thus, be conducive to increasing cooling further
Heat exchange efficiency in tower.
In some embodiments of the invention, the described method processing house refuse further includes：(10) contain described
Aqueous hydrocarbon supplies and carries out separating treatment to described gas and oil separating plant, to obtain water, pyrolysis oil and pyrolysis gas.Thus, have
Beneficial to the recycling realizing house refuse.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below
Substantially and easy to understand, wherein：
Fig. 1 is the system structure diagram processing house refuse according to an embodiment of the invention；
Fig. 2 is the system structure diagram of the process house refuse according to further embodiment of the present invention；
Fig. 3 is the system structure diagram of the process house refuse according to another embodiment of the present invention；
Fig. 4 is the system structure diagram of the process house refuse according to another embodiment of the present invention；
Fig. 5 is the system structure diagram of the process house refuse according to another embodiment of the present invention；
Fig. 6 is the system structure diagram of the process house refuse according to another embodiment of the present invention；
Fig. 7 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention；
Fig. 8 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention；
Fig. 9 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention；
Figure 10 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention；
Figure 11 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention；
Figure 12 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention；
Figure 13 is the system structure diagram of the process house refuse according to another embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
Connect or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limit unless otherwise clear and definite.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In one aspect of the invention, the present invention proposes a kind of system processing house refuse.Reality according to the present invention
Apply example, with reference to Fig. 1, this system includes：Heap cryopreservation device 100, rotary hearth furnace 200, spiral discharging machine 300, reducing mechanism 400 and cooling
Tower 500.
According to embodiments of the invention, heap cryopreservation device 100 has house refuse entrance 101, percolate exports 102 and
House refuse outlet 103 after pretreatment, and be suitable to carry out storing up process by house refuse, to obtain percolate and pre- place
House refuse after reason.In this step, specifically, after house refuse is stored up, obtain percolate and store up rear rubbish
Rubbish, and rear rubbish is stored up to this sort, obtain organic waste and inoganic solids rubbish, this organic waste is pretreatment
House refuse.Thus, by house refuse feeding heap cryopreservation device being carried out storing up process so that most rubbish in house refuse
Rubbish percolate is separated from house refuse, such that it is able to significantly improve the pyrolysis efficiency of follow-up house refuse.
According to embodiments of the invention, rotary hearth furnace 200 has house refuse entrance 201, high-temperature oil gas outlet after pretreatment
202 and rubbish charcoal outlet 203, after pretreatment, house refuse entrance 201 103 is connected with house refuse outlet after pretreatment, and fits
House refuse carries out pyrolysis processing after by pretreatment, to obtain high-temperature oil gas and rubbish charcoal.Thus, by house refuse
Carrying out pyrolysis processing, high-temperature oil gas and the rubbish charcoal of high added value being obtained, thus realizing the recycling of house refuse.
It should be noted that those skilled in the art can select to the condition of pyrolysis processing process according to actual needs.
According to a specific embodiment of the present invention, the temperature of high-temperature oil gas can be 500～900 degrees Celsius.
According to embodiments of the invention, spiral discharging machine 300 have percolate entrance 301, rubbish charcoal entrance 302,
Steam outlet 303, wet refuse charcoal outlet 304 and the percolate outlet 305 being mingled with rubbish charcoal, percolate entrance 301 with
Percolate outlet 102 is connected, and rubbish charcoal entrance 302 is connected with rubbish charcoal outlet 203, and is suitable to ooze rubbish charcoal and rubbish
Filtrate carries out heat exchange process, to obtain water vapour, wet refuse charcoal and the percolate being mingled with rubbish charcoal.Inventor finds, passes through
Supply obtaining rubbish charcoal in the percolate obtaining in heap cryopreservation device and rotary hearth furnace to the helical axis of spiral discharging machine, one
Aspect can play the effect of cooling to the helical axis of spiral discharging machine, and another aspect percolate can be by helical axis point
The pore of cloth carries out spraying cooling to rubbish charcoal, and during above-mentioned spraying cooling, a part of percolate is because of rubbish
Charcoal waste heat is vaporized into water vapour, and rubbish charcoal through with percolate heat exchange after, the temperature of the wet refuse charcoal of gained is able to significantly
Reducing, thus realizing the effective process of percolate while realizing and rubbish charcoal is cooled down, and then can significantly drop
Low energy consumption puts into.Specifically, the temperature of gained wet refuse charcoal can be 30～70 degrees Celsius.
According to embodiments of the invention, reducing mechanism 400 has wet refuse charcoal entrance 401 and rubbish powdered carbon outlet 402, wet
Rubbish charcoal entrance 401 is connected with wet refuse charcoal outlet 304, and is suitable to for wet refuse charcoal to carry out pulverization process, to obtain rubbish
Powdered carbon.Thus, it is possible to significantly improve the contact area of rubbish powdered carbon and high-temperature oil gas in subsequent process, thus improving high-temperature oil gas
Cooling effectiveness.
According to a specific embodiment of the present invention, the particle diameter of rubbish powdered carbon can be 0.5～3mm.Thus, can significantly increase
The surface area of big rubbish powdered carbon, thus increase the contact area of rubbish powdered carbon and high-temperature oil gas in subsequent processes, Jin Erzeng
Plus in rubbish powdered carbon remain percolate removal efficiency, simultaneously increase high-temperature oil gas cooling effectiveness.
According to embodiments of the invention, cooling tower 500 has rubbish powdered carbon entrance 501, high-temperature oil gas entrance 502, is dried
Rubbish charcoal outlet 503 and aqueous oil gas vent 504, rubbish powdered carbon entrance 501 is connected with rubbish powdered carbon outlet 402, and be suitable to by
Rubbish powdered carbon and high-temperature oil gas carry out heat exchange process, to obtain garbage drying charcoal and aqueous oil gas.According to the present invention one
Specific embodiment, the temperature of aqueous oil gas can be 300～500 degrees Celsius.Thus, by using the waste heat of high-temperature oil gas, one
Aspect can remove the percolate of residual in rubbish powdered carbon, obtains garbage drying charcoal；On the other hand due to the temperature of high-temperature oil gas
Higher, percolate can be evaporated, thus the resource reclaim realizing house refuse recycles.
The system of process house refuse according to embodiments of the present invention passes through the percolate that will obtain in heap cryopreservation device
Supply to the helical axis of spiral discharging machine with obtaining rubbish charcoal in rotary hearth furnace, on the one hand can be to the helical axis of spiral discharging machine
Play the effect of cooling, another aspect percolate can carry out spraying cold by the pore of distribution on helical axis to rubbish charcoal
But, and during above-mentioned spraying cooling, a part of percolate is vaporized into water vapour because of rubbish charcoal waste heat, and rubbish charcoal
Through with percolate heat exchange after, the temperature of the wet refuse charcoal of gained is remarkably reduced, and then gained is adsorbed with percolate
Wet refuse charcoal carry out smashing process after supply together with the high-temperature oil gas obtained by rotary hearth furnace and carry out heat exchange, rubbish to cooling tower
While cooling down high-temperature oil gas, in rubbish powdered carbon, the percolate of absorption is vaporized into vaporous by the waste heat of high-temperature oil gas to rubbish powdered carbon
State, and Organic substance therein is heated decomposition, obtains garbage drying charcoal and aqueous oil gas, aqueous oil gas can be effective through subsequent treatment
Reclaim oil therein and organic volatile matter.Thus, high-temperature oil gas and rubbish charcoal can cooled down using this system
Realize the recovery of organic volatile matter in percolate, thus realizing the recycling of house refuse simultaneously.
With reference to Fig. 2, the system of process house refuse according to embodiments of the present invention further includes：Defecator 600.
According to embodiments of the invention, defecator 600 have be mingled with rubbish charcoal percolate entrance 601, filter charcoal go out
Mouth 602 and filtrate outlet 603, the percolate entrance 601 being mingled with rubbish charcoal and the percolate being mingled with rubbish charcoal export 305 phases
Even, filter charcoal outlet 602 to be connected with wet refuse charcoal entrance 401, and be suitable to for the percolate being mingled with rubbish charcoal to carry out filtration treatment,
To obtain filtering charcoal and filtrate, and carry out smashing process to reducing mechanism by filtering charcoal and supplying.Thus, by by rubbish
Charcoal and percolate separately, are conducive to the process respectively of follow-up rubbish charcoal and percolate, thus improving final garbage drying charcoal and containing
The grade of aqueous hydrocarbon.Specifically, the temperature of separating obtained filtrate can be 40～100 degrees Celsius.
With reference to Fig. 3, the system of process house refuse according to embodiments of the present invention further includes：Rubbish charcoal storage tank 700.
According to embodiments of the invention, rubbish charcoal storage tank 700 has reservoir inlet 701 and outlet 702, reservoir inlet
701 are connected with rubbish powdered carbon outlet 402, and outlet 702 is connected with cooling tower 500, and is suitable to be stored filtrate, and
The percolate of diafiltration liquid storage tank is supplied to cooling tower and carries out heat exchange process with high-temperature oil gas.Thus, be conducive to adjusting rubbish
The export volume of rubbish powdered carbon in charcoal storage tank, thus improve heat exchange efficiency in cooling tower.
With reference to Fig. 4, the system of process house refuse according to embodiments of the present invention further includes：Diafiltration liquid storage tank 800.
According to embodiments of the invention, be percolated liquid storage tank 800 and there is charging aperture 801 and discharging opening 802, charging aperture 801 with
Filtrate outlet 603 is connected, and discharging opening 802 is connected with cooling tower 500, and is suitable to be stored filtrate, and by percolate
The percolate of storage tank supplies to cooling tower and carries out heat exchange process with high-temperature oil gas.Thus, be conducive to adjusting in diafiltration liquid storage tank
The export volume of filtrate, thus improve heat exchange efficiency in cooling tower further.
With reference to Fig. 5, embodiment according to embodiments of the present invention, steam outlet 303 is connected with cooling tower 500, and is suitable to
The vapor obtaining in spiral discharging machine is supplied to cooling tower and carries out heat exchange process as cooling medium and high-temperature oil gas.By
This, be conducive to increasing heat exchange efficiency in cooling tower further.
With reference to Fig. 6, the system of process house refuse according to embodiments of the present invention further includes：Gas and oil separating plant
900.
According to embodiments of the invention, gas and oil separating plant 900 has aqueous oil gas entrance 901, water out 902, pyrolysis
Oil export 903 and pyrolysis gas outlet 904, aqueous oil gas entrance 901 is connected with aqueous oil gas vent 504, and is suitable to gained is contained
Aqueous hydrocarbon carries out separating treatment, obtains pyrolysis oil and pyrolysis gas such that it is able to separate.Specifically, can first using cooling water to containing
Aqueous hydrocarbon carries out cooling treatment, so that pyrolysis gas therein separate, then gained oil water mixture is stood again, realizes heat
Solution oil and the separation of water.
As described above, the system of process house refuse according to embodiments of the present invention can have the advantages that selected from following at least
One of：
The system of process iron content greasy filth according to embodiments of the present invention is by carrying out heat exchange by percolate and rubbish charcoal
Effect, can avoid the extra process of percolate, reduce the energy consumption of whole domestic garbage treating system.
The system of process house refuse according to embodiments of the present invention is by delivering to spiral discharging machine by percolate
In helical axis, cooling effect being played to helical axis, thus avoiding helical axis overheated, being conducive to extending the use longevity of spiral discharging machine
Life.
The system of process house refuse according to embodiments of the present invention is passed through high-temperature oil gas and percolate and rubbish powdered carbon
Carry out heat exchange effect, the extra process of percolate and high-temperature oil gas can be avoided, reduce further whole domestic rubbish disposal system
The energy consumption of system.
In another aspect of the invention, the present invention proposes a kind of system using above-mentioned process house refuse and processes life
The method of rubbish alive.According to embodiments of the invention, with reference to Fig. 7, the method includes：
S100：House refuse is supplied and carries out storing up process to heap cryopreservation device
In this step, house refuse is supplied and carries out storing up process to heap cryopreservation device, so as to obtain percolate and
House refuse after pretreatment.In this step, specifically, after house refuse is stored up, obtain percolate and store up
Rubbish afterwards, and rear rubbish is stored up to this sort, obtain organic waste and inoganic solids rubbish, this organic waste is pre-
Process house refuse.Thus, by house refuse feeding heap cryopreservation device being carried out storing up process so that most of in house refuse
Percolate separate from house refuse, such that it is able to significantly improve the pyrolysis efficiency of follow-up house refuse.
S200：House refuse after pretreatment is supplied and carries out pyrolysis processing to rotary hearth furnace
In this step, house refuse after pretreatment is supplied to rotary hearth furnace, carries out pyrolysis processing, to obtain high temperature oil
Gas and rubbish charcoal.Thus, by pyrolysis processing is carried out to house refuse, high-temperature oil gas and the rubbish of high added value can be obtained
Charcoal, thus realize the recycling of house refuse.Specifically, the temperature of high-temperature oil gas can be 500～900 degrees Celsius.Need
It is noted that those skilled in the art can select to the condition of pyrolysis processing process according to actual needs.
S300：Rubbish charcoal and percolate are supplied and carries out heat exchange process to spiral discharging machine
In this step, rubbish charcoal and percolate are supplied and carries out heat exchange process to spiral discharging machine, to obtain water
Steam, wet refuse charcoal and the percolate being mingled with rubbish charcoal.Inventor finds, by the percolate that will obtain in heap cryopreservation device
Supply to the helical axis of spiral discharging machine with obtaining rubbish charcoal in rotary hearth furnace, on the one hand can be to the helical axis of spiral discharging machine
Play the effect of cooling, another aspect percolate can carry out spraying cold by the pore of distribution on helical axis to rubbish charcoal
But, and during above-mentioned spraying cooling, a part of percolate is vaporized into water vapour because of rubbish charcoal waste heat, and rubbish charcoal
Through with percolate heat exchange after, the temperature of the wet refuse charcoal of gained is remarkably reduced, thus realize rubbish charcoal is carried out
Realize the effective process of percolate while cooling, and then energy consumption can be significantly reduced putting into.Specifically, gained wet refuse
The temperature of charcoal can be 30～70 degrees Celsius.
S400：Wet refuse charcoal is supplied and carries out pulverization process to reducing mechanism
In this step, wet refuse charcoal is supplied to reducing mechanism, carries out pulverization process, to obtain rubbish powdered carbon.By
This, can significantly improve the contact area of rubbish powdered carbon and high-temperature oil gas in subsequent process, thus improving the cooling of high-temperature oil gas
Efficiency.
According to a specific embodiment of the present invention, the particle diameter of rubbish powdered carbon can be 0.5～3mm.Thus, can significantly increase
The surface area of big rubbish powdered carbon, thus increase the contact area of rubbish powdered carbon and high-temperature oil gas in subsequent processes, Jin Erzeng
Plus in rubbish powdered carbon remain percolate removal efficiency, simultaneously increase high-temperature oil gas cooling effectiveness.
S500：Rubbish powdered carbon and high-temperature oil gas are supplied and carries out heat exchange process to cooling tower
In this step, rubbish powdered carbon and high-temperature oil gas are supplied to cooling tower, carries out heat exchange process, to obtain drying
Rubbish charcoal and aqueous oil gas.According to a specific embodiment of the present invention, the temperature of aqueous oil gas can be Celsius for 300～500
Degree.Thus, by using the waste heat of high-temperature oil gas, on the one hand can remove the percolate of residual in rubbish powdered carbon, obtain drying
Rubbish charcoal；On the other hand because the temperature of high-temperature oil gas is higher, percolate can be evaporated, thus realizing the resource of house refuse
Recycling.
The percolate that the method for process house refuse according to embodiments of the present invention obtains during passing through to store up
Supply to the helical axis of spiral discharging machine with obtaining rubbish charcoal in pyrolytic process, on the one hand can be to the spiral of spiral discharging machine
Axle plays the effect of cooling, and another aspect percolate can carry out spraying cold by the pore of distribution on helical axis to rubbish charcoal
But, and during above-mentioned spraying cooling, a part of percolate is vaporized into water vapour because of rubbish charcoal waste heat, and rubbish charcoal
Through with percolate heat exchange after, the temperature of the wet refuse charcoal of gained is remarkably reduced, and then gained is adsorbed with percolate
Wet refuse charcoal carry out smashing process after supply together with the high-temperature oil gas obtained by pyrolytic process and carry out heat exchange to cooling tower,
While cooling down high-temperature oil gas, in rubbish powdered carbon, the percolate of absorption is vaporized into steam by the waste heat of high-temperature oil gas to rubbish powdered carbon
State, and Organic substance therein is heated decomposition, obtains garbage drying charcoal and aqueous oil gas, aqueous oil gas can have through subsequent treatment
Effect reclaims oil therein and organic volatile matter.Thus, using the method be can high-temperature oil gas and rubbish charcoal are carried out cold
But realize the recovery of organic volatile matter in percolate while, thus realizing the recycling of house refuse.
With reference to Fig. 8, the method for process house refuse according to embodiments of the present invention further includes：
S600：The percolate being mingled with rubbish charcoal is supplied and carries out filtration treatment to defecator
In this step, the percolate being mingled with rubbish charcoal is supplied to defecator, carries out filtration treatment, to obtain
Filter charcoal and filtrate, and carry out smashing process by filtering charcoal and supplying to reducing mechanism.Thus, by dividing rubbish charcoal and percolate
Open, be conducive to the process respectively of follow-up rubbish charcoal and percolate, thus improving the grade of final garbage drying charcoal and aqueous oil gas.
Specifically, the temperature of separating obtained filtrate can be 40～100 degrees Celsius.
With reference to Fig. 9, the method for process house refuse according to embodiments of the present invention further includes：
S700：Rubbish powdered carbon is supplied and is stored to rubbish charcoal storage tank
In this step, before carrying out heat exchange process in supplying rubbish powdered carbon and high-temperature oil gas to cooling tower, in advance will
Rubbish powdered carbon supplies to rubbish charcoal storage tank, and the rubbish powdered carbon in rubbish charcoal storage tank is supplied to cooling tower and high-temperature oil gas
Carry out heat exchange process.Thus, be conducive to adjusting the export volume of rubbish powdered carbon in rubbish charcoal storage tank, thus improving heat exchange in cooling tower
Efficiency.
With reference to Figure 10, the method for process house refuse according to embodiments of the present invention further includes：
S800：Filtrate is supplied and is stored to diafiltration liquid storage tank
In this step, the filtrate obtaining of S600 is supplied and is stored to diafiltration liquid storage tank, and percolate is stored up
The percolate of tank supplies to cooling tower and carries out heat exchange process with high-temperature oil gas.Thus, be conducive to adjusting mistake in diafiltration liquid storage tank
The export volume of filtrate, thus improve heat exchange efficiency in cooling tower further.
With reference to Figure 11, the method for process house refuse according to embodiments of the present invention further includes：
S900：Vapor is supplied to cooling tower and carries out heat exchange process with high-temperature oil gas
In this step, step S300 is supplied the vapor obtaining in spiral discharging machine to cooling tower and is situated between as cooling
Matter and high-temperature oil gas carry out heat exchange process.Thus, be conducive to increasing heat exchange efficiency in cooling tower further.
With reference to Figure 12, the method for process house refuse according to embodiments of the present invention further includes：
S1000：Aqueous oil gas is supplied and carries out separating treatment to gas and oil separating plant
In this step, aqueous oil gas is supplied to gas and oil separating plant, carries out separating treatment, to obtain water, pyrolysis oil
And pyrolysis gas.Specifically, first cooling treatment can be carried out to aqueous oil gas using cooling water, so that pyrolysis edema caused by disorder of QI therein
From, then again to gained oil water mixture stand, realize pyrolysis oil and the separation of water.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe
Property, and limit the present invention never in any form.
Embodiment
With reference to Figure 13, the house refuse of 100t/d is supplied and carries out storing up process to heap cryopreservation device, obtain 15t/d rubbish
House refuse after percolate, 19t/d inoganic solids and 66t/d pretreatment；By house refuse after above-mentioned gained pretreatment supply to
Carry out pyrolysis processing in regenerative gas radial canal rotary hearth furnace, obtain high-temperature oil gas and rubbish charcoal that temperature is 800 degrees Celsius；Will
Above-mentioned rubbish charcoal and above-mentioned percolate supply and carry out heat exchange process to spiral discharging machine, obtain 7 tons of vapourizing temperatures and take the photograph for 110
Water vapour about family name's degree, the wet refuse charcoal being adsorbed with 5 tons of percolates and 3 ton of 90 degrees centigrade be mingled with rubbish charcoal
Percolate；The above-mentioned percolate being mingled with rubbish charcoal is supplied to defecator, carries out filtration treatment, obtain filtering charcoal and filtration
Liquid；Above-mentioned gained wet refuse charcoal and above-mentioned filtration charcoal are supplied and carry out pulverization process to reducing mechanism, obtain particle diameter be 0.5～
The rubbish powdered carbon of 3mm；Above-mentioned rubbish powdered carbon, above-mentioned high-temperature oil gas, above-mentioned vapor and above-mentioned filtrate are supplied to cooling tower
In carry out heat exchange process, obtain the garbage drying charcoal of 150 degrees centigrade and 300 degrees Celsius of aqueous oil gas；Will be above-mentioned aqueous
Oil gas supplies and carries out separating treatment to gas and oil separating plant, obtains water, pyrolysis oil and pyrolysis gas.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above it is to be understood that above-described embodiment is example
Property it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of system processing house refuse is it is characterised in that include：
Heap cryopreservation device, after described heap cryopreservation device has house refuse entrance, percolate outlet and pretreatment, house refuse goes out
Mouthful；
Rotary hearth furnace, described rotary hearth furnace has house refuse entrance after pretreatment, high-temperature oil gas outlet and the outlet of rubbish charcoal, described pre-
After process, house refuse entrance is connected with house refuse outlet after described pretreatment；
Spiral discharging machine, described spiral discharging machine has percolate entrance, rubbish charcoal entrance, steam outlet, wet refuse
Charcoal exports and is mingled with the percolate outlet of rubbish charcoal, and described percolate entrance is connected with the outlet of described percolate, institute
State rubbish charcoal entrance to be connected with the outlet of described rubbish charcoal；
Reducing mechanism, described reducing mechanism has wet refuse charcoal entrance and the outlet of rubbish powdered carbon, described wet refuse charcoal entrance and institute
State the outlet of wet refuse charcoal to be connected；And
Cooling tower, described cooling tower has rubbish powdered carbon entrance, high-temperature oil gas entrance, the outlet of garbage drying charcoal and aqueous oil gas and goes out
Mouthful, described rubbish powdered carbon entrance is connected with the outlet of described rubbish powdered carbon.
2. system according to claim 1 is it is characterised in that further include：
Defecator, described defecator has percolate entrance, filtration charcoal outlet and the filtrate outlet being mingled with rubbish charcoal, institute
State and be mingled with the percolate entrance of rubbish charcoal and be connected with the described percolate outlet being mingled with rubbish charcoal, described filtration charcoal export with described
Wet refuse charcoal entrance is connected.
3. system according to claim 2 is it is characterised in that further include：
Rubbish charcoal storage tank, described rubbish charcoal storage tank has reservoir inlet and outlet, described reservoir inlet and described rubbish charcoal
Powder outlet is connected, and described outlet is connected with described cooling tower.
4. system according to claim 2 is it is characterised in that further include：
Diafiltration liquid storage tank, described diafiltration liquid storage tank has charging aperture and discharging opening, described charging aperture and described filtrate outlet phase
Even, described discharging opening is connected with described cooling tower.
5. system according to claim 1 is it is characterised in that described steam outlet is connected with described cooling tower.
6. system according to claim 4 is it is characterised in that further include：
Gas and oil separating plant, described gas and oil separating plant has aqueous oil gas entrance, water out, pyrolysis oil export and pyrolysis gas and goes out
Mouthful, described aqueous oil gas entrance is connected with described aqueous oil gas vent.
7. a kind of system of the process house refuse any one of utilization claim 1-6 is implemented to process the side of house refuse
Method is it is characterised in that include：
(1) house refuse is supplied and carry out storing up process to described heap cryopreservation device, to obtain percolate and pretreatment
House refuse afterwards；
(2) house refuse after described pretreatment is supplied and carry out pyrolysis processing to described rotary hearth furnace, to obtain high-temperature oil gas
With rubbish charcoal；
(3) described rubbish charcoal and described percolate are supplied and carry out heat exchange process to described spiral discharging machine, to obtain
Water vapour, wet refuse charcoal and the percolate being mingled with rubbish charcoal；
(4) described wet refuse charcoal is supplied and carry out pulverization process to described reducing mechanism, to obtain rubbish powdered carbon；
(5) described rubbish powdered carbon and described high-temperature oil gas are supplied and carry out heat exchange process to described cooling tower, to be done
Dry rubbish charcoal and aqueous oil gas.
8. method according to claim 7 is it is characterised in that further include：(6) by the described diafiltration being mingled with rubbish charcoal
Liquid supplies and carries out filtration treatment to described defecator, to obtain filtering charcoal and filtrate, and described filtration charcoal is supplied
Carry out described smashing process to described reducing mechanism.
9. method according to claim 8 is it is characterised in that further include：(7) by described rubbish powdered carbon and described
High-temperature oil gas supply before carrying out heat exchange process to described cooling tower, supply described rubbish powdered carbon to described rubbish charcoal in advance
In storage tank, and the rubbish powdered carbon in described rubbish charcoal storage tank is supplied to described cooling tower, carry out heat exchange with described high-temperature oil gas
Process.
10. method according to claim 7 is it is characterised in that further include：(8) described filtrate is supplied to institute
State in diafiltration liquid storage tank and stored, and the percolate of described diafiltration liquid storage tank is supplied to described cooling tower and described high temperature
Oil gas carries out heat exchange process；
Optional, methods described further includes：(9) described vapor is supplied to described cooling tower and described high-temperature oil gas
Carry out described heat exchange process；
Optional, methods described further includes：(10) described aqueous oil gas is supplied and carry out to described gas and oil separating plant
Separating treatment, to obtain water, pyrolysis oil and pyrolysis gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088345.2A CN106391672A (en) | 2016-11-30 | 2016-11-30 | System and method for disposing house refuse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088345.2A CN106391672A (en) | 2016-11-30 | 2016-11-30 | System and method for disposing house refuse |
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| CN106391672A true CN106391672A (en) | 2017-02-15 |
Family
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| CN201611088345.2A Pending CN106391672A (en) | 2016-11-30 | 2016-11-30 | System and method for disposing house refuse |
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Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18 Applicant after: Shenwu science and technology group Limited by Share Ltd Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Applicant before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
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Effective date of abandoning: 20190514 |