CN106678824A - Household garbage pyrolytic wet smoke cyclic utilization device and method - Google Patents
Household garbage pyrolytic wet smoke cyclic utilization device and method Download PDFInfo
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- CN106678824A CN106678824A CN201710089763.1A CN201710089763A CN106678824A CN 106678824 A CN106678824 A CN 106678824A CN 201710089763 A CN201710089763 A CN 201710089763A CN 106678824 A CN106678824 A CN 106678824A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
- F23G5/0273—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using indirect heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/10—Drying by heat
- F23G2201/101—Drying by heat using indirect heat transfer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/40—Gasification
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the technical field of garbage disposal and relates to a household garbage pyrolytic wet smoke cyclic utilization device and method. The household garbage pyrolytic wet smoke cyclic utilization device comprises a furnace body unit, a slag discharging unit and an air input unit. The furnace body unit comprises a feeding inlet through which garbage is put in. A drying pyrolytic chamber, a pyrolytic vaporizing chamber and a roasting chamber are sequentially arranged under the feeding inlet from top to bottom. A wet smoke outlet is formed in the upper portion of the drying pyrolytic chamber and connected to a wet smoke inlet formed in the upper portion of the roasting chamber through a pipeline. A pyrolytic vaporized gas outlet is formed in the upper portion of the pyrolytic vaporizing chamber. A pyrolytic vaporizing method comprises the steps of charging, burning, capacity shrinkage, pyrolytic vaporizing, secondary burning, slag discharging and the like. The device and the method have the beneficial effects that moisture in the pyrolytic gas is reduced, the heat value of the pyrolytic gas is increased, meanwhile, through adjustment of the temperature of a pyrolytic vaporizing material layer through wet smoke, the risk of coking of the pyrolytic vaporizing material layer can be lowered, and the carbon content in ash can be lowered.
Description
Technical field
The invention belongs to technical field of waste treatment, is related to a kind of domestic garbage pyrolysis wet flue gas recycling device and side
Method.
Background technology
China《" 12 " whole nation application of city life garbage harmless treatment Facilities Construction planning》Require, life rubbish in 2015
Rubbish burning disposal facility ability accounts for the 35% of National urban life ability to be harmless, and eastern region reaches 48%.Burning is
The Main Patterns of current China domestic rubbish disposal.
Existing incineration technology mainly has 4 kinds：Stoker fired grate burning, fluidized combustion, rotary kiln burning, pyrolytic gasification burn
Burn.Although at present stoker fired grate incineration technology is most widely used in China, pyrolyzing, gasifying and incinerating technology, with Qi bioxin life
Into the advantages of low, flying dust yield is few, valuable metal is easily reclaimed is measured, become the international and domestic house refuse heat treatment fallen over each other and research and develop
Technology.
At present pyrolyzing, gasifying and incinerating technology mainly has control air oxidation (CAO) the type refuse pyrolysis of Canadian Rui Wei companies
Gasification burning technology, the weak former fluidized gasification fusion technology of Japan, Shenzhen Han Shi solid wastes company and Tsing-Hua University's joint development
LXRF vertical rotating pyrolytic incineration technologies etc..
Because China's house refuse is by the way of mixed collection, there is complicated rubbish constituent, moisture content height, calorific value
Low feature.During existing pyrolytic gasification is processed, often need to carry out pretreatment, generally comprise sorting (magnetic separation, selecting crude drugs with winnower, people's work point
Pick), crush, drying, molding etc., pretreatment process is long, complex procedures, and its problem for existing mainly includes：(1) existing pre- place
Reason technology it is difficult to ensure that sorting, crushing efficiency, therefore not only waste a large amount of manpower and materials, and often over the rubbish of pretreatment
Rubbish still cannot fully meet requirement；(2) existing pyrolysis oven such as rotary kiln, fluid bed etc. be required to it is relatively low into stove moisture content,
Pyrolytic reaction must be dried to rubbish, no matter using indirect thermal source or direct heat source, drying can all produce a large amount of flue gases,
This flue gas odor concentration is high, it is necessary to which further deodorization could qualified discharge.
In addition, existing domestic garbage pyrolysis gasification is generally completed in the equipment such as fixed bed, fluid bed, rotary kiln, it is pyrolyzed
Fuel gas is drawn from rubbish top, and the moisture in rubbish becomes water vapour and is mixed in pyrolysis gas, causes fuel gas calorific value low,
Second-time burning room temperature does not increase.In order to reach second-time burning temperature more than 850 DEG C, have to put into auxiliary fuel, greatly increase
Garbage disposal cost；Require that refuse moisture content is low, calorific capacity is high simultaneously, so as to limit domestic garbage pyrolysis incineration technology
Popularization and application.
The Chinese invention patent of Application No. CN201010190497.X discloses a kind of waste gasification purification reacting furnace, if
There are body of heater, fire grate, blower fan, escape pipe, it is characterized in that：The body of heater be inside and outside protecting wall structure, internal protecting wall inner lining refractory,
Leave between outer furnace wall and internal protecting wall in space, internal protecting wall is burner hearth；Sealing diaphragm plate is provided between internal protecting wall and outer furnace wall
With support diaphragm plate；Be provided with outer furnace wall between diaphragm plate and furnace roof by outside body of heater to the external admission inside and outside furnace wall
Hole, is provided with the arrangement space by inside and outside tweer of a week and enters in burner hearth on the internal protecting wall between diaphragm plate and furnace roof
Pore；Single or multiple lift rolling fire grate is provided with below internal protecting wall；Lower portion of furnace body outer furnace wall is provided with escape pipe and exports with combustion gas
Pipeline communication, as descends air outlet structure；Feed arrangement and burner hearth upper end mouth sealing device are provided with the top of body of heater, it is as enterprising
Material structure；It is provided with interior outer furnace wall between described diaphragm plate A, B and is passed through in burner hearth the simultaneously igniter of with closure and sight
Fire hole；Deslagging device is provided with below body of heater；Interior outer furnace wall is provided with several temperature thermocouples；The single or multiple lift fire grate cloth
Put in the lower section of internal protecting wall, be traveling-grate stoker that hollow made by heat proof material or solid rolling roller rod is supported；The fire grate
One end of hollow roller rod is provided with air inlet pipe, and the other end is provided with escape pipe, and the escape pipe is connected to upper of furnace body by an arm
In burner hearth, and entered in the space between diaphragm plate A and furnace roof by another arm；The feed arrangement is filled by squash type charging
Put or bucket type feeding apparatus hoisting is constituted；The squash type feed arrangement be in set helical axis spiral squeezing type feed arrangement or
The feed arrangement of cylinder fashion of extrusion；Deslagging device below the body of heater is wet method deslagging device, is provided with out slag bath and water
Block plate.
It is low to there is drying garbage layer height in the patent application, easily flame-out when msw water content is raised, the space-time (unit interval
Unit space) the low problem of efficiency.
The content of the invention
The purpose of the present invention is to be directed to the deficiencies in the prior art, there is provided a kind of domestic garbage pyrolysis wet flue gas recycle dress
Put and method, can precise control drying, pyrolysis, reduction and gaseous, oxidizing fire, the process such as burn, you can make full use of flue gas
Heat is dried to rubbish, produced water vapour can be dried again and be used as pyrolysis gas agent, can be with height
Pyrolytic gasification gas heating value, improves the spatiotemporal efficiency of pyrolytic gasification, prevents localized hyperthermia's coking.
The technical scheme of solve problem of the present invention is：A kind of domestic garbage pyrolysis wet flue gas recycling device, including stove
Body unit, deslagging unit and air input block, the deslagging unit is arranged at the bottom of the body of heater unit, and the air is defeated
Enter unit to connect with the body of heater unit by pipeline；
The body of heater unit includes being arranged at the charging aperture for putting into rubbish at the top of body of heater, the lower section of the charging aperture
Dry thermal cracking room, pyrolysis vaporizer and firing chamber are followed successively by from top to bottom；
The dry thermal cracking room rotary furnace bar for carrying fuel is provided with the inside of the dry thermal cracking room, in the body of heater
Top be provided with wet flue gas outlet, be provided with dry thermal cracking blast pipe above the hothouse rotary furnace bar；
Pyrolysis vaporizer's rotary furnace bar is provided with the inside of the pyrolysis vaporizer, in pyrolysis vaporizer's rotary furnace bar
Top be provided with pyrolytic gasification air inlet pipe, be provided with pyrolytic gasification gas outlet on the pyrolysis vaporizer top；
Firing chamber's air inlet pipe is provided with inside the firing chamber, bottom and the deslagging unit in the firing chamber connects
It is logical, it is provided with the wet flue gas entrance by pipeline with the wet flue gas outlet on the firing chamber top；
The deslagging unit includes slag removing chamber, the outlet connection slag remover of the slag removing chamber, in the bottom of the slag removing chamber
Fire grate of slagging tap is provided with, in the lower surface of the fire grate of slagging tap slag removing chamber's ash bucket is provided with；
The air input block include aerator, by pipeline respectively with the dry thermal cracking blast pipe, the pyrolysis
Gasification air inlet pipe is connected with firing chamber's air inlet pipe, and between the aerator and the dry thermal cracking air inlet pipe high temperature is provided with
Air preheater, between the aerator and the pyrolytic gasification air inlet pipe low-temperature air preheater is provided with.
Further, high temperature air regulation is provided between the dry thermal cracking blast pipe and the high-temperature air preheater
Valve.
Further, Cryogenic air regulation is provided between the pyrolytic gasification air inlet pipe and the low-temperature air preheater
Valve.
Further, it is provided with normal temperature air regulating valve between firing chamber's air inlet pipe and the aerator.
Further, dry thermal cracking room rotary furnace bar, pyrolysis vaporizer's rotary furnace bar and the fire grate of slagging tap
Being capable of activity.
Further, dry thermal cracking room rotary furnace bar and pyrolysis vaporizer's rotary furnace bar are replaced with fire grate.
Further, house refuse is carried out by described device being pyrolyzed the method that wet flue gas are recycled, including：
1. fuel is placed on the rotary furnace bar of the dry thermal cracking room and is lighted；
2. rubbish is put into into the dry thermal cracking room from the garbage inlet；
3. the aerator is started, and natural wind is entered by the high-temperature air preheater from the dry thermal cracking blast pipe
Enter the dry thermal cracking room so that rubbish is fully contacted with high temperature air, rubbish is dried, and at the bottom of the dry thermal cracking room
There is capacity reducing and partial thermal decomposition reaction in portion；
4., by the rotation of dry thermal cracking room rotary furnace bar, the institute of the pyrolysis vaporizer is fallen into by the rubbish of capacity reducing
State on pyrolysis vaporizer's rotary furnace bar；
5. natural air is introduced pipeline by aerator described in, and after low-temperature air preheater preheating, is passed through
The pyrolytic gasification air inlet pipe enters the pyrolysis vaporizer, is fully contacted with rubbish；
6. rubbish carries out anoxycausis, pyrolytic gasification reaction；
7. the wet flue gas on dry thermal cracking room top described in the presence of pyrolytic gasification gas outlet negative pressure, from described
Wet flue gas outlet is flowed out, and by the wet flue gas entrance firing chamber top is entered, through the pyrolysis vaporizer, wet flue gas with
There is water gas reaction in the scorching hot carbon on the pyrolytic gasification fire bars, the pyrolytic gasification gas of generation is from the pyrolysis vaporizer
Pyrolytic gasification gas outlet described in portion discharges；
8. lime-ash falls into the firing chamber by the rotation of pyrolysis vaporizer's rotary furnace bar；
9. natural air is introduced after pipeline by the aerator, and by firing chamber's air inlet pipe the roasting is entered
Room, is sufficiently mixed with lime-ash, further removes the carbon residue in lime-ash；
10. lime-ash the firing chamber through sufficient oxygen burning after, the high temperature carbon dioxide gas of generation, in the pyrolysis gas
Change under the guiding of gas outlet's negative pressure through the pyrolysis vaporizer, carbon monoxide is reduced to, from the pyrolytic gasification gas
Outlet is discharged；
11. fired clinker ignition loss qualified lime-ash up to standard, falls into the fire grate of slagging tap of the slag removing chamber, then by institute
The activity of fire grate of slagging tap is stated, according to default speed the slag remover is sent into.
Further, adjusted by the high temperature air regulating valve, the Cryogenic air regulating valve and the normal temperature air
Valve adjusts respectively high temperature air into high temperature air amount, the Cryogenic air of the dry thermal cracking room into the pyrolysis vaporizer
Cryogenic air amount and normal temperature air enter the normal temperature air amount of the firing chamber.
Further, by dry thermal cracking room rotary furnace bar, pyrolysis vaporizer's rotary furnace bar and described slag tap
Fire grate adjusts respectively the translational speed of the material of the dry thermal cracking room, the pyrolysis vaporizer and the slag removing chamber.
Beneficial effects of the present invention are：
The moisture in pyrolysis gas is reduced, the calorific value of pyrolysis gas is increased again, simultaneously as wet flue gas are to pyrolysis gas material
The regulation of layer temperature, it is possible to reduce the risk of pyrolytic gasification bed of material coking, can also reduce the phosphorus content in lime-ash.
Description of the drawings
Fig. 1 described device structural representations.
In figure：1- garbage inlets, 2- dry thermal crackings room, 3- pyrolysis vaporizer, 4- firing chambers, 5- slag removing chamber, 6- slagging-off
Machine, 7- slag removing chamber ash bucket, 8- slags tap fire grate, 9- firing chambers air inlet pipe, 10- pyrolytic gasification air inlet pipe, 11- dry thermal cracking air intakes
Pipe, the outlet of 12- wet flue gas, 13- high temperature air regulating valves, 14- dry thermal crackings room rotary furnace bar, 15- pyrolysis vaporizer revolving burner
Bar, 16- high-temperature air preheaters, 17- low-temperature air preheaters, 18- aerators, 19- Cryogenic air regulating valves, 20- room temperature is empty
Gas regulating valve, 21- wet flue gas entrances, 22- pyrolytic gasifications gas outlet.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is further illustrated.
Embodiment one
Described device, as shown in figure 1, including body of heater unit, deslagging unit and air input block, the deslagging unit sets
The bottom of the body of heater unit is placed in, the air input block is connected by pipeline with the body of heater unit；
The body of heater unit includes being arranged at the charging aperture 1 for putting into rubbish at the top of body of heater, under the charging aperture
Side is followed successively by from top to bottom dry thermal cracking room 2, pyrolysis vaporizer 3 and firing chamber 4；
The dry thermal cracking room rotary furnace bar 14 for carrying fuel is provided with the inside of the dry thermal cracking room 2, described
Wet flue gas outlet 12 is provided with the top of body of heater, above the hothouse rotary furnace bar dry thermal cracking blast pipe 11 is provided with；
Pyrolysis vaporizer's rotary furnace bar 15 is provided with the inside of the pyrolysis vaporizer 3, in pyrolysis vaporizer rotation
Pyrolytic gasification air inlet pipe 10 is provided with above fire bars, on the pyrolysis vaporizer top pyrolytic gasification gas outlet 22 is provided with；
Firing chamber's air inlet pipe 9 is provided with inside the firing chamber 4, in bottom and the deslagging unit of the firing chamber 4
Connection, the wet flue gas entrance 21 connected with wet flue gas outlet 12 by pipeline is provided with the firing chamber top；
The deslagging unit includes slag removing chamber 5, the outlet connection slag remover 6 of the slag removing chamber 5, in the slag removing chamber 5
Bottom is provided with fire grate 8 of slagging tap, and in the lower surface for slagging tap fire grate 8 slag removing chamber's ash bucket 7 is provided with；
The air input block includes aerator 18, by pipeline respectively with the dry thermal cracking blast pipe 11, described
Pyrolytic gasification air inlet pipe 10 is connected with firing chamber's air inlet pipe 9, in the aerator 18 and the dry thermal cracking air inlet pipe 11
Between be provided with high-temperature air preheater 16, be provided with Cryogenic air between the aerator 18 and the pyrolytic gasification air inlet pipe 10
Preheater 17.
Further, high temperature air tune is provided between the dry thermal cracking blast pipe 11 and the high-temperature air preheater 16
Section valve 13.
Further, Cryogenic air tune is provided between the pyrolytic gasification air inlet pipe 10 and the low-temperature air preheater 17
Section valve 19.
Further, it is provided with normal temperature air regulating valve 20 between firing chamber's air inlet pipe 9 and the aerator 18.
Further, dry thermal cracking room rotary furnace bar 14, pyrolysis vaporizer's rotary furnace bar 15 and described slag tap
Fire grate 8 being capable of activity.
Further, dry thermal cracking room rotary furnace bar 11 and pyrolysis vaporizer's rotary furnace bar 10 can use fire grate generation
Replace.
Further, house refuse is carried out by described device being pyrolyzed the method that wet flue gas are recycled, including：
1. fuel is placed on dry thermal cracking room rotary furnace bar 14 and is lighted；
2. rubbish is put into into the dry thermal cracking room 2 from the garbage inlet 1；
3. the aerator 18 is started, and natural wind passes through the high-temperature air preheater 16, from the dry thermal cracking air intake
Pipe 11 enters the dry thermal cracking room 2 so that rubbish is fully contacted with high temperature air, and rubbish is dried, and in the dry heat
There is capacity reducing and partial thermal decomposition reaction in the bottom of solution room 2；
4., by the rotation of dry thermal cracking room rotary furnace bar 14, the pyrolysis vaporizer 3 is fallen into by the rubbish of capacity reducing
Pyrolysis vaporizer's rotary furnace bar 15 on；
5. natural air is introduced pipeline by aerator 18 described in, and after the low-temperature air preheater 17 is preheated,
The pyrolysis vaporizer 3 is entered by the pyrolytic gasification air inlet pipe 10, is fully contacted with rubbish；
6. rubbish carries out anoxycausis, pyrolytic gasification reaction；
7. the wet flue gas on the top of dry thermal cracking room 2 described in the presence of the negative pressure of pyrolytic gasification gas outlet 22, from
The wet flue gas outlet 12 is flowed out, and the top of the firing chamber 4 is entered by the wet flue gas entrance 21, through the pyrolysis vaporizer
3, there is water gas reaction, the pyrolysis gas activating QI of generation in wet flue gas with the scorching hot carbon on pyrolysis vaporizer's revolving burner fire bars 15
Pyrolytic gasification gas outlet 22 described in body from the top of the pyrolysis vaporizer 3 discharges；
8. lime-ash falls into the firing chamber 4 by the rotation of pyrolysis vaporizer's rotary furnace bar 15；
9. natural air is introduced after pipeline by the aerator 18, and by firing chamber's air inlet pipe 9 roasting is entered
Room 4 is burnt, is sufficiently mixed with lime-ash and is burnt, further remove the carbon residue in lime-ash；
10. lime-ash the firing chamber 4 through sufficient oxygen burning after, the high temperature carbon dioxide gas of generation, in the pyrolysis
Through the pyrolysis vaporizer 3 under the guiding of gasifying gas 22 negative pressure of outlet, carbon monoxide is reduced to, from the pyrolytic gasification
Gas outlet 22 discharges；
11. fired clinker ignition loss qualified lime-ash up to standard, falls into the described of the slag removing chamber 5 and slags tap on fire grate 8, then leads to
The activity of the fire grate 8 of slagging tap is crossed, according to default speed the slag remover 6 is sent into.
Further, by the high temperature air regulating valve 13, the Cryogenic air regulating valve 19 and the normal temperature air
Regulating valve 20 adjusts respectively high temperature air into high temperature air amount, the Cryogenic air of the dry thermal cracking room 2 into the pyrolysis
The Cryogenic air amount of vaporizer 3 and normal temperature air enter the normal temperature air amount of the firing chamber 4.
Further, by dry thermal cracking room rotary furnace bar 14, pyrolysis vaporizer's rotary furnace bar 15 and described
Fire grate 8 of slagging tap adjusts respectively the mobile speed of the material of the dry thermal cracking room 2, the pyrolysis vaporizer 3 and the slag removing chamber 4
Degree.
The present invention is not limited to above-mentioned embodiment, in the case of without departing substantially from flesh and blood of the present invention, art technology
Any deformation that personnel are contemplated that, improvement, replacement each fall within protection scope of the present invention.
Claims (9)
1. a kind of domestic garbage pyrolysis wet flue gas recycling device, it is characterised in that including body of heater unit, deslagging unit and sky
Gas input block, the deslagging unit is arranged at the bottom of the body of heater unit, and the air input block is by pipeline and institute
State the connection of body of heater unit；
The body of heater unit includes being arranged at the charging aperture for putting into rubbish at the top of body of heater, and the lower section of the charging aperture is from upper
Dry thermal cracking room, pyrolysis vaporizer and firing chamber are followed successively by under；
The dry thermal cracking room rotary furnace bar for carrying fuel is provided with the inside of the dry thermal cracking room, on the top of the body of heater
Portion is provided with wet flue gas outlet, and above the hothouse rotary furnace bar dry thermal cracking blast pipe is provided with；
Pyrolysis vaporizer's rotary furnace bar is provided with the inside of the pyrolysis vaporizer, in the upper of pyrolysis vaporizer's rotary furnace bar
Side is provided with pyrolytic gasification air inlet pipe, and on the pyrolysis vaporizer top pyrolytic gasification gas outlet is provided with；
Firing chamber's air inlet pipe is provided with inside the firing chamber, is connected with the deslagging unit in the bottom of the firing chamber,
The firing chamber top is provided with the wet flue gas entrance by pipeline with the wet flue gas outlet；
The deslagging unit includes slag removing chamber, and the outlet connection slag remover of the slag removing chamber is provided with the bottom of the slag removing chamber
Slag tap fire grate, in the lower surface of the fire grate of slagging tap slag removing chamber's ash bucket is provided with；
The air input block include aerator, by pipeline respectively with the dry thermal cracking blast pipe, the pyrolytic gasification
Air inlet pipe is connected with firing chamber's air inlet pipe, and between the aerator and the dry thermal cracking air inlet pipe high temperature air is provided with
Preheater, between the aerator and the pyrolytic gasification air inlet pipe low-temperature air preheater is provided with.
2. device according to claim 1, it is characterised in that the dry thermal cracking blast pipe is preheated with the high temperature air
High temperature air regulating valve is provided between device.
3. device according to claim 1, it is characterised in that the pyrolytic gasification air inlet pipe is preheated with the Cryogenic air
Cryogenic air regulating valve is provided between device.
4. device according to claim 1, it is characterised in that be provided between firing chamber's air inlet pipe and the aerator
Normal temperature air regulating valve.
5. device according to claim 1, it is characterised in that dry thermal cracking room rotary furnace bar, the pyrolytic gasification
Room rotary furnace bar and the fire grate of slagging tap being capable of activities.
6. device according to claim 5, it is characterised in that dry thermal cracking room rotary furnace bar and the pyrolytic gasification
Room rotary furnace bar is replaced with fire grate.
7. house refuse is carried out by claim 1 described device being pyrolyzed the method that wet flue gas are recycled, it is characterised in that
Including：
1) fuel is placed on the rotary furnace bar of the dry thermal cracking room and is lighted；
2) rubbish is put into into the dry thermal cracking room from the garbage inlet；
3) aerator is started, natural wind enters institute by the high-temperature air preheater from the dry thermal cracking blast pipe
State dry thermal cracking room so that rubbish is fully contacted with high temperature air, rubbish is dried, and send out in the bottom of the dry thermal cracking room
Raw capacity reducing and partial thermal decomposition reaction；
4) by the rotation of dry thermal cracking room rotary furnace bar, the heat of the pyrolysis vaporizer is fallen into by the rubbish of capacity reducing
On solution vaporizer rotary furnace bar；
5) natural air is introduced pipeline by the aerator, and after low-temperature air preheater preheating, by described
Pyrolytic gasification air inlet pipe enters the pyrolysis vaporizer, is fully contacted with rubbish；
6) rubbish carries out anoxycausis, pyrolytic gasification reaction；
7) wet flue gas on dry thermal cracking room top are in the presence of pyrolytic gasification gas outlet negative pressure, from the wet cigarette
Gas outlet is flowed out, and by the wet flue gas entrance firing chamber top is entered, through the pyrolysis vaporizer, wet flue gas with it is described
There is water gas reaction in the scorching hot carbon on pyrolytic gasification fire bars, the pyrolytic gasification gas of generation is from the pyrolysis vaporizer top institute
State the discharge of pyrolytic gasification gas outlet；
8) lime-ash falls into the firing chamber by the rotation of pyrolysis vaporizer's rotary furnace bar；
9) natural air is introduced after pipeline by the aerator, and by firing chamber's air inlet pipe the firing chamber is entered, with
Lime-ash is sufficiently mixed, and further removes the carbon residue in lime-ash；
10) lime-ash the firing chamber through sufficient oxygen burning after, the high temperature carbon dioxide gas of generation, in the pyrolysis gas activating QI
Through the pyrolysis vaporizer under the guiding of body outlet negative pressure, carbon monoxide is reduced to, from the pyrolytic gasification gas outlet
Discharge；
11) fired clinker ignition loss qualified lime-ash up to standard, falls into the fire grate of slagging tap of the slag removing chamber, then by it is described go out
The activity of slag hearth row, according to default speed the slag remover is sent into.
8. method according to claim 7, it is characterised in that by the high temperature air regulating valve, the Cryogenic air
Regulating valve and the normal temperature air regulating valve adjust respectively high temperature air into high temperature air amount, the low temperature of the dry thermal cracking room
Air enters the normal temperature air amount that the Cryogenic air amount and normal temperature air of the pyrolysis vaporizer enters the firing chamber.
9. method according to claim 7, it is characterised in that by dry thermal cracking room rotary furnace bar, the pyrolysis
Vaporizer rotary furnace bar and the fire grate of slagging tap adjust respectively the dry thermal cracking room, the pyrolysis vaporizer and the slag removing chamber
Material translational speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089763.1A CN106678824A (en) | 2017-02-20 | 2017-02-20 | Household garbage pyrolytic wet smoke cyclic utilization device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089763.1A CN106678824A (en) | 2017-02-20 | 2017-02-20 | Household garbage pyrolytic wet smoke cyclic utilization device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106678824A true CN106678824A (en) | 2017-05-17 |
Family
ID=58861079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710089763.1A Pending CN106678824A (en) | 2017-02-20 | 2017-02-20 | Household garbage pyrolytic wet smoke cyclic utilization device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106678824A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375072A (en) * | 2018-02-05 | 2018-08-07 | 雷泽兴 | A kind of house refuse and shale pyrolysis furnace |
| CN109708123A (en) * | 2019-02-28 | 2019-05-03 | 浙江中晟盛财环保科技有限公司 | A kind of pyrolysis gasification furnace and low heat value sludge bacteria residue pyrolytic gasification equipment |
| CN114576632A (en) * | 2022-03-15 | 2022-06-03 | 四川达沃斯生态环保科技股份有限公司 | Non-energy-consumption oxygen-deficient pyrolysis waste incineration device |
| CN115261080A (en) * | 2022-09-01 | 2022-11-01 | 西安热工研究院有限公司 | Three-section type solid waste municipal domestic garbage gasification furnace and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375072A (en) * | 2018-02-05 | 2018-08-07 | 雷泽兴 | A kind of house refuse and shale pyrolysis furnace |
| CN109708123A (en) * | 2019-02-28 | 2019-05-03 | 浙江中晟盛财环保科技有限公司 | A kind of pyrolysis gasification furnace and low heat value sludge bacteria residue pyrolytic gasification equipment |
| CN114576632A (en) * | 2022-03-15 | 2022-06-03 | 四川达沃斯生态环保科技股份有限公司 | Non-energy-consumption oxygen-deficient pyrolysis waste incineration device |
| CN115261080A (en) * | 2022-09-01 | 2022-11-01 | 西安热工研究院有限公司 | Three-section type solid waste municipal domestic garbage gasification furnace and use method |
| CN115261080B (en) * | 2022-09-01 | 2023-10-20 | 西安热工研究院有限公司 | Three-section type solid waste city household garbage gasifier and use method thereof |
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Application publication date: 20170517 |