CN105333441A - Garbage disposal method and garbage dry distillation furnace - Google Patents
Garbage disposal method and garbage dry distillation furnace Download PDFInfo
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- CN105333441A CN105333441A CN201510694664.7A CN201510694664A CN105333441A CN 105333441 A CN105333441 A CN 105333441A CN 201510694664 A CN201510694664 A CN 201510694664A CN 105333441 A CN105333441 A CN 105333441A
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- rubbish
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- destructive distillation
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 156
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000002485 combustion reaction Methods 0.000 claims abstract description 92
- 238000001035 drying Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 109
- 238000003763 carbonization Methods 0.000 claims description 36
- 239000002699 waste material Substances 0.000 claims description 30
- 239000002912 waste gas Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 229910001868 water Inorganic materials 0.000 description 12
- 239000000446 fuel Substances 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 238000005192 partition Methods 0.000 description 7
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
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- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
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- 239000002918 waste heat Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of garbage disposal, in particular to a garbage disposal method and a garbage dry distillation furnace. The garbage disposal method includes the following steps that firstly, garbage to be disposed is preliminarily dewatered; secondly, the preliminarily-dewatered garbage is dried; thirdly; the dried garbage is tamped; fourthly, the garbage dry distillation furnace is subjected to furnace drying treatment, so that the temperature in a dry distillation chamber of the garbage dry distillation furnace reaches the set temperature; fifthly, the tamped garbage is guided into the dry distillation chamber of the garbage dry distillation furnace, garbage dry distillation is performed, and dry distillation gas is obtained; sixthly, the dry distillation gas obtained in the fifth step is guided through a dry distillation gas guide-out port into a combustion chamber of the garbage dry distillation furnace to be burnt; and seventhly, burnt gas generated in the burning process of the sixth step is introduced into a heat exchange chamber for heat exchange. By the adoption of the garbage disposal method, garbage dry distillation efficiency can be improved, the energy use rate in the garbage disposal process is increased, and the garbage disposal method is more environment-friendly.
Description
Technical field
The present invention relates to technical field of waste treatment, particularly relate to a kind of waste disposal method and rubbish gas retort.
Background technology
Domestic waste is the inevitable product of mankind's activity, the development that the existence of rubbish limits existence and produces, and heavy damage environment, wastes land resource.How efficiently, energy-conservation and the disposal of refuse of environmental protection is extremely urgent garbage disposal has become the significant problem faced in human survival and production development.The urban life adopted at present both at home and abroad extensively come and processing mode mainly based on sanitary landfills with burn, it is single also to there is processing method in other processing methods of small part, processing procedure not environmentally or rubbish do not carry out classifying etc. problem.
Refuse pyrolysis technology refers to that house refuse enters rubbish pit through weighing, and then enters pretreatment unit and carries out sorting: the inorganic impurity (stone, glass etc.) separated carries out landfill; The metal separated carries out outward transport and sells; The organic matter separated and combustible (kitchen remaining, plastics, rubber, waste paper, bamboo wood, leather etc.) carry out fragmentation pyrolysis afterwards, and the oil gas of pyrolysis product enters Oil-gas Separation clean unit, and the pyrolysis gas produced is as product.Refuse pyrolysis technology of the prior art needs the oil and gas separating system of configuration load, and operation is complicated, also has sewage to produce simultaneously, and need to configure sewage disposal system, sewage disposal expense is high.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide a kind of waste disposal method simple to operate and rubbish gas retort, improve the capacity usage ratio in garbage processing procedure, economize energy.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of waste disposal method, comprising the following steps:
S1, carries out preliminary hydro-extraction by pending rubbish;
S2, carries out drying by the rubbish after preliminary hydro-extraction;
S3, makes firm by ramming dried rubbish;
S4, carries out baker process to rubbish gas retort, makes the destructive distillation indoor temperature of rubbish gas retort reach design temperature;
S5, imports the destructive distillation room of rubbish gas retort, carries out destructive distillation obtain carbonization gas to rubbish by the rubbish after making firm by ramming;
S6, the carbonization gas obtained in step S5 is imported by carbonization gas export mouth and burns for rubbish destructive distillation provides heat in the combustion chamber of rubbish gas retort;
S7, passes into Heat Room by the burnt gas that step S6 burning produces and carries out heat exchange.
Wherein, waste disposal method of the present invention also comprises step, carries out drying with the burnt gas after heat exchange to rubbish.
Wherein, waste disposal method of the present invention also comprises step, is passed in combustion chamber by the drying garbage waste gas that drying garbage produces and burns.
Wherein, the top of described combustion chamber is provided with combustion air inlet, and combustion air passes into described combustion chamber by described combustion air inlet.
Wherein, described step S1 comprises the following steps:
S11: pending rubbish is put into retting pond and carries out retting;
S12: the rubbish after retting is carried out press filtration.
Present invention also offers a kind of rubbish gas retort for above-mentioned waste disposal method, comprise destructive distillation room, combustion chamber and flue; Described destructive distillation room is communicated with by carbonization gas export mouth with between described combustion chamber; The top of described combustion chamber is provided with combustion air inlet, for combustion air is passed into described combustion chamber; Also comprise Heat Room, one end of described Heat Room is connected by the bottom of chute with described combustion chamber, and the other end of described Heat Room connects described flue, and described flue is used for burnt gas to discharge.
Wherein, in described Heat Room, be provided with heat exchange coil, in described heat exchange coil, be provided with heat transferring medium, for burnt gas is carried out heat exchange process.
(3) beneficial effect
Technique scheme of the present invention compared with prior art tool has the following advantages: waste disposal method provided by the invention, after rubbish dehydrates, it is made firm by ramming, make firm by ramming and dried rubbish can be made to dewater further, the bulk density of rubbish also can improve more than twice after making firm by ramming, thus improves the efficiency of rubbish destructive distillation.The carbonization gas utilizing rubbish destructive distillation to produce in garbage processing procedure is used as fuel to carry out the destructive distillation that fuel is self and provides energy, and, burning after produce burnt gas with heat can also be used for garbage drying, improve the capacity usage ratio in garbage processing procedure, make the environmental protection more of this waste disposal method.In waste disposal method of the present invention, carbonization gas is all as fuel in addition, and eliminate the oil and gas separating system of the complexity in the traditional refuse pyrolysis process of configuration, waste disposal method is simple, and cost is low, easily operates.
The carbonization gas that rubbish gas retort provided by the invention can make rubbish destructive distillation produce enter combustion chamber as fuel with the combustion air mixed combustion that passes into for further rubbish destructive distillation provides heat, ignition temperature can reach 1200 DEG C ~ 1300 DEG C, high-order hydrocarbon in carbonization gas issues solution estranged at high temperature action, the precursor compound benzene, naphthalene, chloride, phenol etc. that wherein easily produce bioxin are all decomposed, generate the chain hydrocarbon of hydrogen, methane, carbon monoxide, carbon dioxide, water and minute molecular weight, thus improve efficiency of combustion.
Accompanying drawing explanation
Fig. 1 is the flow chart of embodiment of the present invention waste disposal method;
Fig. 2 is the structural representation of embodiment of the present invention rubbish gas retort;
Fig. 3 is the A-A direction view of Fig. 2.
In figure: 1: body of heater; 11: fire door; 12: partition wall; 2: destructive distillation room; 21: carbonization gas export mouth; 3: combustion chamber; 31: combustion air inlet; 4: flue; 5: Heat Room; 51: chute; 52: heat exchange coil; 6: control valve.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, embodiments provide a kind of waste disposal method, comprise the following steps:
S1, carries out preliminary hydro-extraction by pending rubbish; Particularly, step S1 can comprise the following steps: S11: pending rubbish is put into retting pond and carries out retting; S12: the rubbish after retting is carried out press filtration.Carrying out retting to rubbish can make water in more than the kitchen in rubbish change into outer water, to improve the dehydrating effect in pressure-filtering process.
S2, carries out drying by the rubbish after preliminary hydro-extraction;
S3, makes firm by ramming dried rubbish;
S4, carries out baker process to rubbish gas retort, makes the destructive distillation indoor temperature of rubbish gas retort reach design temperature, is preferably 600 DEG C ~ 1000 DEG C;
S5, imports the destructive distillation room of rubbish gas retort, carries out destructive distillation obtain carbonization gas to rubbish by the rubbish after making firm by ramming; Particularly, rubbish destructive distillation can produce carbon residue while producing carbonization gas, and the carbon residue of generation is discharged outside rubbish gas retort after rubbish destructive distillation process completes.
S6, the carbonization gas obtained in step S5 is imported in the combustion chamber of rubbish gas retort by carbonization gas export mouth and burns for rubbish destructive distillation provides heat.Particularly, the top of combustion chamber is provided with combustion air inlet, and combustion air passes into combustion chamber by described combustion air inlet, and combustion air and carbonization gas mixed combustion provide heat for rubbish destructive distillation.
S7, the burnt gas produced burning in step S6 passes into Heat Room and carries out heat exchange.
The waste disposal method that the embodiment of the present invention provides, after rubbish dehydrates, it is made firm by ramming, make firm by ramming and dried rubbish can be made to dewater further, the bulk density of rubbish also can improve more than twice after making firm by ramming, thus improves the efficiency of rubbish destructive distillation.The carbonization gas that the waste disposal method that the embodiment of the present invention provides can also utilize rubbish destructive distillation to produce is used as fuel to carry out the destructive distillation that fuel is self and provides energy, burnt gas is with a large amount of heats, a part of heat through heat exchange after-combustion waste gas can be taken away by the heat transferring medium in Heat Room, and the heat that heat transferring medium is taken away may be used for generating or stores for future use.
Further, drying can also be carried out with the burnt gas after heat exchange to rubbish.Particularly, desulfurization and dedusting process can also be carried out to burnt gas before burnt gas is used for drying garbage.Burnt gas after heat exchange is used for garbage drying, improves the capacity usage ratio in garbage processing procedure, makes the environmental protection more of this waste disposal method.
Further, can also comprise the following steps in the present embodiment, the drying garbage waste gas that drying garbage produces be passed in combustion chamber and carries out burning or discharging after drying garbage exhaust air deodorization.Particularly, a part for drying garbage waste gas can also be passed in combustion chamber and burn, another part makes deodorizing emission treatment.Drying garbage waste gas to be passed in combustion chamber burning and can improve capacity usage ratio further, and the pernicious gas in combustion in drying garbage waste gas can be degraded.
For clearly embody waste disposal method of the present invention beneficial effect, additionally provide a specific embodiment:
Pending msw water content can be 40% ~ 60%, and the present embodiment is taken as 52%, and the excursion of rubbish Lower heat value is 4600 ~ 8370kJ/kg, garbage disposal speed 125t/h; Rubbish water content after the retting of rubbish retting pond is 37%, and after filter-press dehydration, water content is 32%, and after drying garbage, water content is 12%; Water content be after drying 12% rubbish import tamping tool and make firm by ramming, making speed firm by ramming is 75t/h, and the bulk density of rubbish is by 0.33t/m when entering factory
3bring up to 0.75t/m
3, rubbish gas retort sent into by the rubbish after making firm by ramming, and pyrolysis temperature is 900 DEG C, and rubbish per ton produces carbonization gas 130Nm
3; The carbonization gas produced enters negative-pressure firing in combustion chamber, provides the heat needed for rubbish destructive distillation, and the carbonization gas of every cubic metre burns the combustion air approximately needing 7 cubic metres completely; Clean-burning waste gas and heat transferring medium carry out exchange heat, and the heat transferring medium of employing is water, and the temperature of water is increased to 180 ~ 220 DEG C by 60 ~ 75 DEG C, produce superheated steam, the energy that heat transferring medium obtains is for generating, and EGT is down to 250 ~ 300 DEG C, for garbage drying.Carry out energy budget to said process, the energy entrained by the method disposal of refuse institute heat transferring medium can reach generated energy per hour 27200 degree, and annual electricity generating capacity reaches 2.176 × 10
8degree.This shows that waste disposal method of the present invention improves the capacity usage ratio in whole process, exhaust gas utilization makes garbage processing procedure environmental protection more.
Present invention also offers a kind of rubbish gas retort for above-mentioned waste disposal method, comprise destructive distillation room, combustion chamber and flue, destructive distillation room is communicated with by carbonization gas export mouth with between combustion chamber, the top of combustion chamber is provided with combustion air inlet, for combustion air is passed into combustion chamber, in a combustion chamber, carbonization gas and combustion air mixed combustion, there is provided heat to destructive distillation room, for rubbish destructive distillation.The rubbish gas retort of the embodiment of the present invention also comprises Heat Room, and one end of Heat Room is connected with the bottom of combustion chamber by chute, and the other end of Heat Room connects flue.The burnt gas of discharging from flue enters air by chimney, the power that the suction of chimney can provide burnt gas to flow.
The carbonization gas that the rubbish gas retort that the embodiment of the present invention provides can make rubbish destructive distillation produce enter combustion chamber as fuel with the combustion air mixed combustion that passes into for further rubbish destructive distillation provides heat, ignition temperature can reach 1200 DEG C ~ 1300 DEG C, high-order hydrocarbon in carbonization gas issues solution estranged at high temperature action, the precursor compound benzene, naphthalene, chloride, phenol etc. that wherein easily produce bioxin are all decomposed, generate the chain hydrocarbon of hydrogen, methane, carbon monoxide, carbon dioxide, water and minute molecular weight, thus improve efficiency of combustion.
The body of heater of rubbish gas retort provided by the invention is provided with fire door, and destructive distillation room is located in the body of heater of rubbish gas retort, and destructive distillation room is enclosed by the partition wall be located in body of heater and fire door and forms; Formation combustion chamber, space between body of heater and destructive distillation room.
Destructive distillation room is communicated with by the carbonization gas export mouth be located on partition wall with between combustion chamber, and preferably, carbonization gas export mouth is arranged on the top of partition wall.
The top of combustion chamber is provided with combustion air inlet, for combustion air is passed into combustion chamber.In a combustion chamber, carbonization gas and combustion air mixed combustion, provide heat to destructive distillation room, for rubbish destructive distillation.
Rubbish gas retort provided by the invention also comprises Heat Room, and one end of Heat Room is connected with the bottom of combustion chamber by chute, and the other end of Heat Room connects flue, and the burnt gas of discharging from flue enters air by chimney.The power that the suction of chimney can provide burnt gas to flow.
Particularly, as shown in Figures 2 and 3, the body of heater 1 of the rubbish gas retort that the embodiment of the present invention provides is provided with fire door 11, and destructive distillation room 2 is located in the body of heater 1 of rubbish gas retort, and destructive distillation room 2 is enclosed by the partition wall 12 be located in body of heater 1 and fire door 11 and forms; Formation combustion chamber, space 3 between body of heater 1 and destructive distillation room 2.Be provided with multiple destructive distillation room 2 of arranging separately and combustion chamber 3 in body of heater 1, interval arranges multiple destructive distillation room 2 and garbage disposal speed can be improved in combustion chamber 3.What the combustion chamber 3 formed between two adjacent destructive distillation rooms 2 was all corresponding is provided with combustion air inlet 31, for combustion air is passed into combustion chamber 3.Carbonization gas export mouth 21 is located on the partition wall 12 between destructive distillation room 2 and combustion chamber 3; Carbonization gas export mouth 21 is preferably located at the top of partition wall 12.One end of Heat Room 5 is connected by the bottom of chute 51 with combustion chamber 3, and the other end of Heat Room 5 connects flue 4, and flue 4 is for discharging burnt gas.Particularly, Heat Room 5 can be multiple, and multiple Heat Room 5 and destructive distillation room 2 one_to_one corresponding, multiple Heat Room 5 is all connected with flue 4.Particularly, the end of flue 4 can also be provided with control valve 6, to regulate the velocity of discharge of burnt gas.
Particularly, fire door 11 is provided with two, and the side of body of heater 1 is all located at by two fire doors 11, and two fire doors 11 are oppositely arranged.The both sides that body of heater 1 is relatively located at by two fire doors 11 are conducive to utilizing machinery imported by rubbish and the rubbish carbon residue after destructive distillation is released destructive distillation room 2.
Preferably, in Heat Room 5, be provided with heat exchange coil 52, in heat exchange coil 52, be provided with heat transferring medium, for the burnt gas produced after burning is carried out heat exchange process.Be provided with Heat Room 5 burnt gas that burning produces to be carried out heat exchange and to make in burnt gas entrained partial heat take away for generating by the heat transferring medium in Heat Room 5 or store for future use.
The course of work of the rubbish gas retort that the embodiment of the present invention provides is: before the destructive distillation room 2 rubbish being imported rubbish gas retort, carries out baker process by the furnace drying device of peripheral hardware to rubbish gas retort, makes the temperature needed for the destructive distillation of rubbish gas retort arrival rubbish.Rubbish is imported in destructive distillation room 2, the carbonization gas that rubbish destructive distillation produces enters combustion chamber 3 by carbonization gas export mouth 21, with by combustion air inlet 31, the combustion air mixed combustion imported in combustion chamber 3 provides the heat needed for rubbish destructive distillation, the burnt gas that burning produces enters Heat Room 5 through chute 51, heat exchange is carried out up to the burnt gas of 1000 DEG C and heat transferring medium, heat transferring medium takes away the partial heat of burnt gas, and the temperature after heat exchange is that the burnt gas of 200 ~ 300 DEG C is drawn through flue 4.
In sum, the carbonization gas that the rubbish gas retort that the embodiment of the present invention provides can make rubbish destructive distillation produce can enter combustion chamber 3 as fuel with the combustion air mixed combustion that passes into for further rubbish destructive distillation provides heat, ignition temperature can reach 1200 DEG C ~ 1300 DEG C, high-order hydrocarbon in carbonization gas issues solution estranged at high temperature action, wherein easily produce the precursor compound benzene of bioxin, naphthalene, chloride, phenol etc. are all decomposed, generate hydrogen, methane, carbon monoxide, carbon dioxide, the chain hydrocarbon of water and minute molecular weight, thus improve efficiency of combustion, the rubbish gas retort that the embodiment of the present invention provides can be used in waste disposal method provided by the invention, improve the capacity usage ratio in garbage processing procedure.The waste disposal method that the embodiment of the present invention provides, after rubbish dehydrates, it is made firm by ramming, make firm by ramming and dried rubbish can be made to dewater further, the bulk density of rubbish also can improve more than twice after making firm by ramming, thus improves the efficiency of rubbish destructive distillation.The carbonization gas adopting this rubbish gas retort that rubbish destructive distillation can also be utilized to produce in garbage processing procedure is used as fuel to carry out the destructive distillation that fuel is self and provides energy, and, burning after produce burnt gas with heat can also be used for garbage drying, improve the capacity usage ratio in garbage processing procedure, make the environmental protection more of this waste disposal method.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a waste disposal method, is characterized in that, comprises the following steps:
S1, carries out preliminary hydro-extraction by pending rubbish;
S2, carries out drying by the rubbish after preliminary hydro-extraction;
S3, makes firm by ramming dried rubbish;
S4, carries out baker process to rubbish gas retort, makes the destructive distillation indoor temperature of rubbish gas retort reach design temperature;
S5, imports the destructive distillation room of rubbish gas retort, carries out destructive distillation obtain carbonization gas to rubbish by the rubbish after making firm by ramming;
S6, the carbonization gas obtained in step S5 is imported in the combustion chamber of described rubbish gas retort by carbonization gas export mouth and burns for rubbish destructive distillation provides heat;
S7, passes into Heat Room by the burnt gas that step S6 burning produces and carries out heat exchange.
2. waste disposal method according to claim 1, is characterized in that: also comprise step, carries out drying with the burnt gas after heat exchange to rubbish.
3. waste disposal method according to claim 2, is characterized in that: also comprise step, is passed in combustion chamber by the drying garbage waste gas that drying garbage produces and burns.
4. waste disposal method according to claim 1, is characterized in that: the top of described combustion chamber is provided with combustion air inlet, and combustion air passes into described combustion chamber by described combustion air inlet.
5. waste disposal method according to claim 1, is characterized in that: described step S1 comprises the following steps:
S11: pending rubbish is put into retting pond and carries out retting;
S12: the rubbish after retting is carried out press filtration.
6., for a rubbish gas retort in the waste disposal method according to any one of claim 1-5, comprise destructive distillation room, combustion chamber and flue; It is characterized in that:
Described destructive distillation room is communicated with by carbonization gas export mouth with between described combustion chamber;
The top of described combustion chamber is provided with combustion air inlet, for combustion air is passed into described combustion chamber;
Also comprise Heat Room, one end of described Heat Room is connected by the bottom of chute with described combustion chamber, and the other end of described Heat Room connects described flue, and described flue is used for burnt gas to discharge.
7. rubbish gas retort according to claim 6, is characterized in that, is provided with heat exchange coil in described Heat Room, is provided with heat transferring medium in described heat exchange coil, for burnt gas is carried out heat exchange process.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106734095A (en) * | 2016-12-25 | 2017-05-31 | 赖德勤 | Combustiblerefuse destructive distillation processing unit and its processing method |
| CN107236559A (en) * | 2016-03-29 | 2017-10-10 | 北京三聚环保新材料股份有限公司 | A kind of handling process of rubbish |
| CN107236554A (en) * | 2016-03-29 | 2017-10-10 | 北京三聚环保新材料股份有限公司 | A kind of process for upgrading of garbage-molding material |
| CN109937096A (en) * | 2017-11-03 | 2019-06-25 | 董平年 | A kind of cracking reduction conversion reaction processing equipment of domestic organic garbage |
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| CN107236554A (en) * | 2016-03-29 | 2017-10-10 | 北京三聚环保新材料股份有限公司 | A kind of process for upgrading of garbage-molding material |
| CN106734095A (en) * | 2016-12-25 | 2017-05-31 | 赖德勤 | Combustiblerefuse destructive distillation processing unit and its processing method |
| CN109937096A (en) * | 2017-11-03 | 2019-06-25 | 董平年 | A kind of cracking reduction conversion reaction processing equipment of domestic organic garbage |
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