CN108954324A - A kind of dump grate device of refuse pyrolysis gasification furnace - Google Patents
A kind of dump grate device of refuse pyrolysis gasification furnace Download PDFInfo
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- CN108954324A CN108954324A CN201810575047.9A CN201810575047A CN108954324A CN 108954324 A CN108954324 A CN 108954324A CN 201810575047 A CN201810575047 A CN 201810575047A CN 108954324 A CN108954324 A CN 108954324A
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- fire grate
- gasification furnace
- pyrolysis gasification
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- 238000002309 gasification Methods 0.000 title claims abstract description 92
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 59
- 238000001035 drying Methods 0.000 claims abstract description 41
- 239000000498 cooling water Substances 0.000 claims abstract description 14
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000010304 firing Methods 0.000 claims abstract description 8
- 230000009977 dual effect Effects 0.000 claims abstract description 7
- 238000013461 design Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002893 slag Substances 0.000 description 39
- 239000010813 municipal solid waste Substances 0.000 description 32
- 238000007789 sealing Methods 0.000 description 25
- 230000000694 effects Effects 0.000 description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 10
- 238000009413 insulation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 239000002196 Pyroceram Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000003517 fume Substances 0.000 description 5
- 238000010079 rubber tapping Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 239000010425 asbestos Substances 0.000 description 4
- 229910052895 riebeckite Inorganic materials 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241001416181 Axis axis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000005308 flint glass Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- 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
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- 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
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H11/00—Travelling-grates
- F23H11/04—Travelling-grates with the bars pivoted at one side
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H11/00—Travelling-grates
- F23H11/18—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H11/00—Travelling-grates
- F23H11/18—Details
- F23H11/24—Removal of ashes; Removal of clinker
- F23H11/26—Removal of ashes; Removal of clinker by dumping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/04—Means for supervising combustion, e.g. windows
- F23M11/042—Viewing ports of windows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H2700/00—Grates characterised by special features or applications
- F23H2700/009—Grates specially adapted for incinerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H2900/00—Special features of combustion grates
- F23H2900/03021—Liquid cooled grates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Incineration Of Waste (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a kind of dump grate devices of refuse pyrolysis gasification furnace.The dump grate device of the refuse pyrolysis gasification furnace includes circuiting sequentially connected drying unit, fan house, pyrolysis gasification furnace, dual firing chamber and heat exchanger, pyrolysis gasification furnace includes fire grate device, fire grate device is horizontally placed on the middle part of burner hearth, fire grate device includes fire grate, fire grate axis, driving unit and cooling unit, fire grate is multiple is arranged in parallel, cooling unit includes cooling water inlet pipe and cooling water outlet pipe, fire grate is located on fire grate axis, driving unit is connected with fire grate axis, and fire grate is equipped with multiple air ventilation holes.Fire grate axis of the present invention uses hollow structure, and water receiving pipe in parallel therebetween cools down fire grate by cooling water, to protect fire grate, fire grate axle bearing that can work normally at high temperature.Fire grate ontology working face designs multiple air ventilation holes, is used for air air feed.
Description
Technical field
The present invention relates to technical field of waste treatment, in particular to a kind of dump grate device of refuse pyrolysis gasification furnace.
Background technique
As process of modernization constantly accelerates, crude waste waste discharge capacity is growing day by day, traditional garbage disposal
Method causes serious soil and atmosphere pollution, it is difficult to adapt to sustainable development, rubbish is often used in current many garbage disposals
Rubbish pyrolysis gasifying device carries out pyrolysis and carbonization at low temperature gasification to it, makes organic matter using the thermal instability of organic matter in garbage
The process that cracking forms various new fuel gas is generated, it is more environmentally-friendly compared to incineration method, realize that sustainable energy utilizes.But mesh
The refuse pyrolysis gasification installation of preceding mainstream in the market is primarily present following disadvantage:
Drying structure, it is traditional one is being dried in furnace, one is the drum-type drying equipment of pretreating zone, dried in furnace
The shortcomings that be that the refuse gasification time is slow, and after rubbish enters in furnace, as the temperature rises, and a large amount of vapor generates, meeting
The combustible gas of refuse pyrolysis generation is diluted, the temperature of dual firing chamber is caused to decline.And drum-type drying equipment because be hot wind into
Collet drying is dried rubbish through steel plate, is not contacted directly with rubbish, and drying efficiency is low, and thermal losses is very big, and dries
The operating cost of equipment is also big, and landfill leachate also bad processing.
It slags tap structure, every suit incinerator requires to slag tap, and manually slags tap from initial to current rotary fire grate, machine
Tool fire grate is slagged tap mode, and risk of manually slagging tap is big, and the feature of environmental protection is poor, and rotary fire grate, which is slagged tap, or stoker fired grate is slagged tap has investment
Greatly, corollary equipment is more, the high problem of operating cost.Because the continuous operation of slag-tapping system, there is also do not burn for traditional slag-tapping system
The phenomenon that saturating slag comes out, and bulk clinker is but unable to come down lives slag notch by water seal when due to slagging tap and realizes sealing, and clinker falls
In puddle, vapor is big in workshop, and stink is big, and sewage, sludge are difficult, be easy to cause secondary pollution.
Fire grate is the main component of pyrolysis gasification furnace, but the fire grate currently used for pyrolysis gasification furnace it is generally existing manufacture at
This height, the problem of cannot supplying oxygen to burning, although some increase some improvement in functionality, manufacture is again very complicated.
Feed intake structure, and conventionally employed is open type charging, even if some occasions are in security consideration and also take closing
Charging, but still without solving sealing problem, air is had while charging or work and enters pyrolysis gasification furnace, is caused non-negative
Work is pressed, has smoke spillage during pyrolytic gasification, affects pyrolytic gasification effect, also have gas explosion sometimes.
Fire observation device, common fire observation device is usually by flame-observing hole transparent cover cap, asbestos rubber pad, pyroceram piece, sight fire
The composition such as hole pipe has an other burner glass surface of seeing in order to prevent to cover tar, dust, has installed baffle additional.Disadvantage:
(1) dust protection baffle influences observation sight.Dust protection baffle is typically all to be mounted on the center for seeing fire tube, affects observation
Sight.(2) without provision for thermal insulation, the generation of safety accident is easily led to.Seeing fire tube is directly protruding into kiln, usually selection metal material
Material production, it is thermally conductive fast, entire fire observation device can be made to form high temperature, be easy to cause in the use processes such as observation, replacement glass boiling hot
Hurt safety accident.(3) it is narrow to see fiery visual angle.Sight fire tube is straight tube structure, so that seeing, fiery visual angle is narrow, and the range for seeing fire is small.
External air flue, the common typically no independent gas flue of gasification furnace, is all air-introduced machine under the action of air-introduced machine, directly
The gasification layer from rubbish is connect, extracts gasification furnace out by each layer of rubbish.Also a small amount of gasification furnace sets built-in air flue, but due to
It is influenced to will cause flue gas by in-furnace temperature to burn in gasification furnace, affects gasification result, while built-in air flue also affects
The working conditions such as spice of the rubbish in gasification furnace.Shortcoming and defect: (1) flow of flue gas speed is slow.Due to by gasification layer upper layer
The influence of rubbish stacking pressure causes flue gas discharge to be obstructed, circulates unsmooth, draw speed is slow.(2) gasification efficiency is low.Due to flue gas stream
Lead to unsmooth, flowing velocity is slow, some has just been burned off the combustible gas for causing to gasify out in gasification furnace, causes simultaneously
The in-furnace temperature that gasifies is excessively high, causes adverse effect to gasification result.(3) fume treatment effect is influenced, by flow of flue gas speed
Slowly, the low influence of gasification efficiency, the flammable tolerance that flue gas enters combustion chamber is inadequate, causes chamber temperature too low, has in flue gas
Evil ingredient cannot be destroyed, and influence the effect of fume treatment.
Summary of the invention
According to an aspect of the invention, there is provided a kind of dump grate device of refuse pyrolysis gasification furnace, including successively
Circulation connected drying unit, fan house, pyrolysis gasification furnace, dual firing chamber and heat exchanger,
Pyrolysis gasification furnace includes fire grate device, and fire grate device is horizontally placed on the middle part of burner hearth, fire grate device include fire grate,
Fire grate axis, driving unit and cooling unit, fire grate are arranged in parallel to be multiple, and cooling unit includes cooling water inlet pipe and cooling water outlet
Pipe, fire grate are located on fire grate axis, and driving unit is connected with fire grate axis, and fire grate is equipped with multiple air ventilation holes.It is beneficial to effect
Fruit is that fire grate is installed on pyrolysis gasification furnace burning position bottom, and bearing is installed at two ends, the rotation support as fire grate overturning.Furnace
It arranges axis and uses hollow structure, water receiving pipe in parallel therebetween cools down fire grate by cooling water, to protect fire grate, fire grate axis axis
Hold to work normally at high temperature.Fire grate ontology working face designs multiple air ventilation holes, is used for air air feed.Fire grate shaft end peace
Driving device is filled, fire grate rotary work is driven.Fire grate is installed on pyrolysis gasification furnace burning position bottom, conduct when fire grate is failure to actuate
Fire grate uses.Design has air ventilation holes on fire grate, and gasification furnace First air, to fire grate lower section, passes through air draught by blower air feed
Hole carries out air feed to burning, and oxygen needed for providing burning, volume of air supply is adjusted by the control indoor blower of blower.It needs
When slagging tap, by driving device driving fire grate rotation, lime-ash is fallen.
In some embodiments, the driving unit of fire grate device includes bearing, gear, rack gear, oil cylinder and cylinder bracket,
The oil cylinder is located on cylinder bracket, and the oil cylinder drive rack drives the rotation of the gear, and the gear drives the axis
The rotation held, the bearing drive the overturning of the fire grate axis, and fire grate axis drives fire grate rotation, adjacent fire grate direction of rotation phase
Instead.The beneficial effect is that two adjacent fire grate reverse turns are conducive to attrition crushing clinker and facilitate discharge.
Detailed description of the invention
Fig. 1 is a kind of overall structure signal of the dump grate device of refuse pyrolysis gasification furnace of an embodiment of the present invention
Figure；
Fig. 2 is a kind of structural schematic diagram of the pyrolysis gasification furnace of the dump grate device of refuse pyrolysis gasification furnace shown in Fig. 1；
Fig. 3 is a kind of structural schematic diagram of the drying unit of the dump grate device of refuse pyrolysis gasification furnace shown in FIG. 1；
Fig. 4 is a kind of structural schematic diagram of the deslagging device of the dump grate device of refuse pyrolysis gasification furnace shown in Fig. 2；
Fig. 5 is a kind of structural schematic diagram of the fire grate device of the dump grate device of refuse pyrolysis gasification furnace shown in Fig. 2；
Fig. 6 is a kind of another angle knot of the fire grate device of the dump grate device of refuse pyrolysis gasification furnace shown in fig. 5
Structure schematic diagram；
Fig. 7 is that a kind of structure of the sealed feeder unit of the dump grate device of refuse pyrolysis gasification furnace shown in Fig. 2 is shown
It is intended to；
Fig. 8 is a kind of section of the sealed feeder unit of the dump grate device of refuse pyrolysis gasification furnace shown in Fig. 2
Structural schematic diagram；
Fig. 9 is that a kind of cross section structure of the fire observation device of the dump grate device of refuse pyrolysis gasification furnace shown in Fig. 2 shows
It is intended to；
Figure 10 is that a kind of overall structure of the fire observation device of the dump grate device of refuse pyrolysis gasification furnace shown in Fig. 2 is shown
It is intended to；
Figure 11 is that a kind of structure of the external airway device of the dump grate device of refuse pyrolysis gasification furnace shown in Fig. 2 is shown
It is intended to；
Figure 12 is an a kind of side of the fire grate device of the dump grate device of refuse pyrolysis gasification furnace shown in fig. 5
Structural schematic diagram；
Figure 13 is a kind of another side of the fire grate device of the dump grate device of refuse pyrolysis gasification furnace shown in fig. 5
Structural schematic diagram.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Fig. 1~Figure 13 schematically shows a kind of a kind of refuse pyrolysis gasification furnace of embodiment according to the present invention
Dump grate device.As shown, the dump grate device of the refuse pyrolysis gasification furnace includes circuiting sequentially connected drying dress
1, fan house 2, pyrolysis gasification furnace 3, dual firing chamber 4 and heat exchanger 5 are set, pyrolysis gasification furnace 3 includes burner hearth 31, sealed feeder unit
32, fire grate device 35, fire observation device 34, deslagging device 36 and external airway device 33, burner hearth 31 are located at the pyrolysis gasification furnace 3
Inside, sealed feeder unit 32 is located at the top of pyrolysis gasification furnace 3, and fire grate device 35 is horizontally placed on the middle part of burner hearth 31,
Fire observation device 34 is located on the outer wall of pyrolysis gasification furnace 3, and deslagging device 36 is located at the bottom of pyrolysis gasification furnace 3, sets on heat exchanger 5
There are inlet of cold air 51, exhanst gas outlet 53 and hot air outlet 52, dual firing chamber 4 is connected with heat exchanger 5, the hot air outlet
52 are connected with the drying unit 1.
Rubbish is carried out drying pretreatment by the dump grate device of above-mentioned refuse pyrolysis gasification furnace, drying unit 1, drying
Foul smell of generation etc. is extracted into pyrolysis gasification furnace 3 by fan house 2, and the rubbish of drying, which is transferred in pyrolysis gasification furnace 3, carries out heat
Solution is pyrolyzed flue gas of generation etc. and is all pumped down to progress full combustion generation heat in dual firing chamber 4, into heat exchanger 5, with cold air
It exchanges heat, the hot-air after heat exchange enters in drying unit 1 and then dries Other Waste, is recycled with this, takes full advantage of
The gas and energy generated in refuse pyrolysis gasification, significantly reduces environmental pollution, more environmentally-friendly, and sustainable use provides
Source meets the environmental protection concept of sustainable development.
Drying unit 1 includes drying material pond 11, air compartment 12, discharge pipe 14 and blast pipe 13, the air compartment 12 be it is multiple, it is more
A air compartment 12 is located at the outer pars intramuralis of the drying material pond 11, and blast pipe 13 is connected with the hot air outlet 52 of heat exchanger 5, heat
Wind enters in air compartment 12 from the blast pipe 13, then enters in the drying material pond 11 from discharge pipe 14.Drying unit 1
It further include driving grab bucket, driving grab bucket includes grab bucket portion 15 and track 16, and grab bucket portion 15 can be moved along track 16, track 16
Positioned at the top of drying unit 1, fan house 2 and pyrolysis gasification furnace 3.Air compartment 12 includes being located at drying 11 side wall of material pond and bottom two
Place.Water positioned at the rubbish exudation of drying material pond 11 drops onto the air compartment 12 of bottom from bottom discharge pipe 14, exudation
Water is oven-dried in turn.Blast pipe 13 is connected to the air compartment 12 for being located at bottom, and the height that blast pipe is located at the end in air compartment 12 is high
In the bottom surface of bottom plenum 12.1 region of drying unit is the pretreatment workshop of sealing, can be opened up at the top of pretreatment workshop
For the opening of driving grab bucket disengaging, it is equipped with air-inlet window 10 close to 2 side of fan house at it, hollow out filter screen is housed on air-inlet window 10
101, interface channel is closed structure between fan house 2 and pyrolysis gasification furnace 3.Driving grab bucket is periodically turned under operator control
Rubbish in dynamic pond, reaches better drying effect；And the rubbish of drying can be transferred into sealed feeder unit 32 by grab bucket
In.Primary air fan in fan house 2 after secondary air fan starts, continuously pulls the foul smell of pretreatment workshop, forms
Tiny structure, foul smell will not be excessive.Outside has vehicle to send garbage feeding, opens pretreated electrically operated gate, then shuts after car charging,
Garbage truck starts to unload rubbish to drying pool, after unsnatching, opens gate, garbage truck exits, and gate is shut automatically, because being negative pressure
State, the opening and closing gate of short time do not have foul smell evolution, while supplementing fresh air for workshop, ensure that plant environment is no different
Taste.Drying structure can allow rubbish directly to contact with hot wind, save drying time, in the case where not increasing energy consumption, drying
Efficiency is obviously improved, and has saved the energy, and percolate has also obtained effective evaporation, ensure that refuse pyrolysis gasifies
Furnace 3 stablizes gasification, accelerates the firing rate of rubbish, improves the production capacity of garbage disposal.
Deslagging device 36 includes residue outlet 361, hydraulic cylinder 362, push-rod piston 363, broken slag device 364 and mobile sealing
Slag case 365, the lower section of fire grate device 35 are equipped with slag bucket 312, are equipped with slag mouth 3615 below slag bucket 312, slag mouth 3615 with go out
Slag pipe 361 is connected, and hydraulic cylinder 362 is connected with push-rod piston 363, and air inlet is equipped with above one end of residue outlet 361
3611, broken slag device 364 is located at the top of the other end of residue outlet 361, and the side of broken slag device 364 is provided with air outlet 3612, out
Air port 3612 is connected with slag bucket 312, and the other end of residue outlet 361 is equipped with slag notch 3613, and slag notch 3613 is equipped with backplate
3614, the length of the setting corresponding with mobile sealing slag case 365 of slag notch 3613, push-rod piston 363 is greater than slag mouth 3615
Length.Residue outlet 361 is round or rectangular or polygon, is fixed on the bottom of 31 rectangle slag bucket of burner hearth, position of opening with
Rectangle slag mouth 3615 coincide, and makees rigid sealed connection, and movable push bar piston 363 is slightly larger than the length of rectangle slag mouth 3615
Degree, closely agrees with, width is fully met, when the push-rod piston 363 because the push-rod piston 363 and residue outlet 361 belong to
Extreme position is opened, just seals rectangle slag notch 3613 completely, forms sealing.After the promotion of push-rod piston 363 is slagged tap, clinker
Mobile sealing slag case 365 is fallen into, push-rod piston 363 to undischarged clinker extra between slag notch is stored in residue outlet 361,
As sealing, prevent outside air from entering in burner hearth.And the tube head position in 361 hydraulic cylinder of residue outlet, 362 direction is equipped with sealing
Air inlet 3611, connect, continually blow into residue outlet 361, First air is by slagging tap with the primary air fan in fan house 2
Pipe 361 is blown into an open piston, then is sent into burner hearth 31 (air outlet can also install baffle additional) by air outlet 3612, Er Qieyi
It is directly in blowing state, not will form blocking, guarantees the air quantity supply of burner hearth 31, while in turn ensuring the cold of this deslagging device 36
But during refuse gasification, the big inorganic matter of weight first falls into bottom, and it is dirt, brick, stone that result in bottom, which be major part,
The inorganic matters such as block, so bottom temp is very low relative to 31 temperature of burner hearth, generally at 80 DEG C or so, while cold wind passes through residue outlet
361 heat exchange action, the wind for being sent into burner hearth 31 become hot wind, play the role of air preheater, ensure that temperature, subtract
Energy consumption is lacked and has not only solved that traditional slag-tapping system is numerous and jumbled, and ancillary equipment is more, energy consumption is big, the high problem of O&M cost, also
The problem of solving stifled slag, preventing secondary pollution realizes simplicity reliably, and O&M cost is low, slags tap quantitative, smooth, burns thorough
Bottom, the low effect of burn decrement rate.
Fire grate device 35 includes fire grate 351, fire grate axis 352, driving unit 353 and cooling unit, and fire grate 351 is multiple flat
Row setting, cooling unit include that cooling water inlet pipe 354 and cooling water outlet pipe 355, fire grate 351 are located on fire grate axis 352, and driving is single
Member 353 is connected with fire grate axis 352, and fire grate 351 is equipped with multiple air ventilation holes 3511.Fire grate 351 is installed on pyrolytic gasification
Bearing 3531 is installed at 3 burning position bottom of furnace, two ends, the rotation support overturn as fire grate 351.Fire grate axis 352 is using hollow
Structure, water receiving pipe in parallel therebetween cool down fire grate 351 by cooling water, to protect fire grate 351, fire grate axle bearing 3531
It can work normally at high temperature.351 ontology working face of fire grate designs multiple air ventilation holes 3511, is used for air air feed.Fire grate
Driving device is installed at 352 end of axis, drives 351 rotary work of fire grate.Driving unit 353 includes bearing 3531, gear 3532, rack gear
3533, oil cylinder 3534 and cylinder bracket 3535, the oil cylinder 3534 are located on cylinder bracket 3535,3534 sliding tooth of oil cylinder
Item 3533 drives the rotation of the gear 3532, and the gear 3532 drives the rotation of the bearing 3531, the bearing 3531
The overturning of the fire grate axis 352 is driven, fire grate axis 352 drives fire grate 351 to rotate, and adjacent 351 direction of rotation of fire grate is opposite.It is adjacent
Two 351 reverse turns of fire grate be conducive to attrition crushing clinker and facilitate discharge.Fire grate 351 is installed on pyrolysis gasification furnace 3
Burning position bottom, fire grate 351 use when being failure to actuate as fire grate.Design has air ventilation holes 3511, gasification furnace on fire grate 351
First air is carried out air feed by 3511 pairs of burnings of air ventilation holes, is provided burning requisite oxygen by blower air feed to 351 lower section of fire grate
Gas, volume of air supply are adjusted by the blower in control fan house 2.When needing to slag tap, revolved by driving device driving fire grate 351
Turn, lime-ash is fallen.
Sealed feeder unit 32 includes hopper 321, brake application board group 322, feed bin 323, lower flashboard group 324,325 and of driving portion
Sealing 326, hopper 321 are located at the top of brake application board group 322, and feed bin 323 is located at the lower section of hopper 321,322 He of brake application board group
Lower flashboard group 324 is located at the upper and lower of feed bin 323, and brake application board group 322 and lower flashboard group 324 are equipped with sealing 326.On
Flashboard group 322 and lower flashboard group 324 include flashboard 3221 and flashboard frame 3222, are equipped between flashboard 3221 and flashboard frame 3222
Sealing 326, sealing 326 include that side seal 3261, preceding sealing 3262 and external seal 3263, flashboard frame 3222 are equipped with guide rail
32223, flashboard bracket 32222 and sealing clamp 32221, flashboard bracket 32222 are located at the periphery of flashboard frame 3222, sealing clamp
32221 connect with sealing 326, and preceding sealing 3262 and external seal 3263 are fixing seal, and side seal 3261 is to be slidingly sealed, side
Sealing 3261 can be slided on guide rail 32223 simultaneously with flashboard 3221.Hopper 321 is installed on the top of brake application board group 322, expands
Big feed inlet guarantees that material is not scattered outward in order to concentrate charging；In normal work, brake application board group 322 and lower flashboard group
324 must not open simultaneously, to ensure that gasification furnace is constantly in closed working environment；Ensure that lower flashboard group 324 is in front of charging
Closed state, otherwise, upper flashboard 3221 can not be opened, and when guaranteeing charging, work negative pressure is unaffected in furnace, and smokeless is let out
Leakage.After confirmation, the flashboard 3221 of brake application board group 322 to be opened by drive cylinder, material enters feed bin 323 by hopper 321,
It falls on lower flashboard 3221.Inlet amount is controlled by control grab bucket volume or other charging equipments, to ensure the volume fed
It must not exceed 323 volume of feed bin；After feeding, upper flashboard 3221 is closed, again opens lower flashboard 3221 after closing in place,
The upper and lower movement of flashboard 3221, from lock control, has one group of flashboard 3221 to be in close state forever using position with guarantee；Upper flashboard
After 3221 close, lower flashboard 3221 is opened, material is fallen into gasification furnace, then lower flashboard 3221 is closed.Sealed feeder unit
32 brake application board group 322 and lower flashboard group 324 design, facilitates operation control；When charging, brake application board group 322 and lower flashboard group 324
It alternately opens, close, keep being in close state not less than one group of flashboard 3221, to ensure that burner hearth 31 is in the building ring of sealing
Border；Upper lower flashboard 3221 has sealing 326, and to ensure that no air enters gasification furnace, gasification furnace smokeless is let out from flashboard 3221
Leakage；From lock control, securely and reliably；321 wide-angle of hopper expands feed inlet, and charging equipment is adaptable, is dissipated when feeding without material
It falls.
Fire observation device 34 includes flame-observing hole transparent cover 341, asbestos rubber pad 342, pyroceram piece 343, shaft 346, rotation
It changes hands handle 345, arc fireguard 344, appearance fire tube 347, thermal insulation layer 348, see burner 349 and interior wide-angle sight fire tube 3410,
347 mouthfuls of ends of appearance fire tube are equipped with flame-observing hole transparent cover 341 and pyroceram piece 343, pyroceram piece 343 and flame-observing hole transparent cover
Annular asbestos rubber pad 342 is padded between 341 and the faying face of appearance fire tube 347, appearance fire tube 347 and interior wide-angle see fire tube
Thermal insulation layer 348 is equipped between 3410, appearance fire tube 347 installs one piece of arc fireguard 344, arc gear at close up burner 349
Fiery plate 344 is fixed on the tube wall of appearance fire tube 347 by shaft 346, and rotating handle 345 is installed in shaft 346.Flame-observing hole is saturating
Lid 341 and appearance fire tube 347 use thread connection, securely and reliably, easy disassembly, replacement and cleaning glass, replacement asbestos rubber
Pad 342 is also more convenient；Pyroceram piece 343 is installed between flame-observing hole transparent cover 341 and appearance fire tube 347, and with annular stone
Celloidin pad is every lining, and for sealing and protecting pyroceram piece 343, permeation high temperature resistant sheet glass 343 is it can be observed that burner hearth 31
Interior combustion case；Fireguard 344 uses arc Circular plate structure, and radian is slightly less than 347 outer diameter of appearance fire tube, the circle of fireguard 344
Diameter is slightly less than 347 internal diameter of appearance fire tube, is installed on by the position of close up burner 349, and specific installation is by shaft 346 and outer
It sees fire tube 347 to couple, there are connection holes in 347 outer circle position of appearance fire tube, and shaft 346 is equipped with rotating handle 345 for controlling gear fire
The rotation of plate 344, fireguard 344 are eccentrically rotated.When needing to see fire, 344 horizontal opening of fireguard, close to appearance fire tube 347
Inner wall, to ensure that viewing area is as big as possible；It sees fire end fireguard 344 and is in plumbness, by pyroceram and kiln
It inside separates, effectively prevent flame, dust attack glass, glass surface area is caused to focus oil, dust etc.；Appearance fire tube 347 is installed
On the outside of kiln, interior wide-angle is seen fire tube 3410 and is installed on the inside of kiln, has between appearance fire tube 347 and interior wide-angle sight fire tube 3410
Thermal insulation layer 348 prevents the high temperature that burning generates in kiln to be transmitted to appearance fire tube 347, prevents safety accident；If kiln
There is flame retardant coating in inside, then interior wide-angle flame-observing hole can be formed directly using fire resisting pouring material, and interior wide-angle angle determines as needed, and one
As be set as 120 °；When necessary, because operation needs to open flame-observing hole transparent cover 341, fireguard 344, logical stick is put in into sight fire
Material such as stirs, dredge at the generally impossible operation of gasification furnace in mouthful 349 pairs of kilns.It burns with anti-eyes, see flint glass
It is not easy to cover the influence sight substance such as dust, tar, it is good to see fiery effect；34 port of fire observation device is opened and replacement glass, sealing
Circle is convenient；It solves and blocks line-of-sight problems；Interior wide-angle design expands the fiery visual angle of sight, increases range of observation；Design on thermal insulation,
Solves safety problem caused by heat transfer；Combustible substance in kiln can be stirred when required by burner 349 is seen, be dredged
It is logical to wait operation.
External airway device 33 includes external air flue 331, outer heat insulation layer 336 and exhaust gases passes 332, and external air flue 331 is
Enclosed construction, external air flue 331 are equipped with tracheal entrance 333 and air passage outlet 334, and tracheal entrance 333 is located at air passage outlet 334
Lower section,.Outer heat insulation layer 336 is located on the outer wall of pyrolysis gasification furnace 3.External 33 tracheal entrance 333 of airway device is arranged in rubbish
Dead band above the drying layer of rubbish is arranged in refuse furnace in processing gasification interval, air passage outlet 334, and gasification layer major part flue gas exists
Enter external air flue 331 below external air flue 331 under air-introduced machine effect, is imported from air passage outlet 334 above external air flue 331
To above drying garbage layer, the flue gas of flue gas and drying layer that companion gasification layer minority escapes up together, is acted in air-introduced machine
Under from gasification furnace exhanst gas outlet 335 enter combustion furnace.Outer heat insulation layer 336 has heat preservation, heat insulation structural, using castable refractory or water
It is jacket structured, to reduce heat radiation.
After the present invention uses the drying unit 1, more pervious roller dryer is compared, drying rubbish in the unit time
Quantity improves 20 times, and drying efficiency has obtained larger promotion, and the moisture content of rubbish falls below 30% from entered furnace originally 45%,
And percolate has obtained effective evaporation, is not required to add device for treating leachate again, the peculiar smell in entire workshop be under control and
Processing, ensure that the improvement of the internal environment of entire refuse disposal plant area, eliminates roller dryer high-power driving motor
Operation energy consumption.
In addition, to solve refuse gasification boiler, incinerator tapping mechanism complicated for deslagging device 36, cost of investment is big, operation at
The problem of this height and stifled slag and incineration plants secondary pollution, while an air feed has also been taken into account, described device is strong to be pushed away
The effect of power and broken slag device 364 efficiently solves the problems, such as stifled slag, and reciprocating motion in 3 seconds, and complete slag resets rapidly out, out
Cinder notch 3613 has part clinker to fill up, and forms slag seal structure, and there are also movable 3613 backplates 3614 of slag notch to protect, and will not leak
Wind does not influence the stabilization of burner hearth 31.
Fire grate device 35,351 structure of fire grate is simple, and design is reasonable.It takes into account fire grate 351 and fire grate uses, it is practical.Furnace
It arranges 351 working faces and send oxygen hole, have the function of burning oxygen supply.351 2 end of fire grate is equipped with gear (3532), has rotary slag discharge
Function.Fire grate axis 352 is hollow shaft, and two sections of connection cooling water pipes can be with water flowing circulating cooling.Fire grate 351 uses hydraulic-driven,
Two groups of 351 relative rotation of fire grate, multiple rotations of fire grate 351 share a driving.
It seals into charging device stable feature reliable for operation, feeds existing sealing to solve existing pyrolysis gasification furnace 3
Problem.
Fire observation device 34 can observe combustion position in kiln, and observation visual angle is big, and effect is good, while can be in normal combustion
The operation that general gasification furnace cannot be completed such as disturbed, dredged under state to material in furnace.
External air flue 331 is designed using external, solves the problems such as flow of flue gas is unsmooth, gasification efficiency is low, while
To guarantee that later period fume treatment effect provides the guarantee of gasifying section early period.Pyrolysis gasification furnace 3 is set to solve flow of flue gas not
Freely, the problems such as gasification efficiency is low, while also the guarantee of gasifying section early period is provided for guarantee later period fume treatment effect.Simultaneously
Have many advantages, such as to manufacture convenience, low manufacture cost.
More than, there is drying unit, deslagging device, fire grate in the dump grate device of refuse pyrolysis gasification furnace of the invention
Device is sealed into charging device, fire observation device and external airway device；Wherein, drying structure can allow rubbish directly and hot wind
Contact, saves drying time, and without increasing energy consumption, drying efficiency is obviously improved, and has saved the energy,
And percolate has also obtained effective evaporation, ensure that refuse pyrolysis gasification furnace stablizes gasification, accelerates the burning speed of rubbish
Degree, improves the production capacity of garbage disposal；
Deslagging device not only solves that traditional slag-tapping system is numerous and jumbled, and ancillary equipment is more, and energy consumption is big, and O&M cost is high to ask
The problem of inscribing, but also having taken into account primary air-supply, solved stifled slag by break, prevent secondary pollution, easy to operate reliable, fortune
It ties up at low cost, slags tap quantitative, smooth, burn thoroughly, the low effect of burn decrement rate；
Fire grate device, take into account solve the problems, such as to slag tap, oxygen supply, have structure it is simple, it is easy to make, it is reliable for operation stable
Feature.
Sealed feeder unit has structure simple, easy to make, stable feature reliable for operation, to solve existing pyrolysis
Gasification furnace feeds existing sealing problem, and No leakage is more environmentally friendly.
Fire observation device can observe safely combustion position in kiln, and the fiery effect of sight is good, and the fiery visual angle of sight is big, the fiery glass of protection sight
Glass is taken into account when solving burning to the impossible operation of the general gasification furnace such as agitation, dredging of material in furnace.
External air flue is designed using external, solve flow of flue gas it is unsmooth caused by combustible gas is burned, gasification efficiency
The problems such as low, while also the guarantee of gasifying section early period is provided for guarantee later period fume treatment effect.
It should be noted that above-mentioned hydraulic cylinder or oil cylinder can also change and make cylinder or other power drives should belong to guarantor
Protect range, other power drives such as turbine worm reducer.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (2)
1. a kind of dump grate device of refuse pyrolysis gasification furnace, which is characterized in that including circuiting sequentially connected drying unit
(1), fan house (2), pyrolysis gasification furnace (3), dual firing chamber (4) and heat exchanger (5), the pyrolysis gasification furnace (3) include fire grate dress
It sets (35), the fire grate device (35) is horizontally placed on the middle part of the burner hearth (31)；The fire grate device (35) includes fire grate
(351), fire grate axis (352), driving unit (353) and cooling unit, the fire grate (351) is arranged in parallel to be multiple, described cold
But unit includes cooling water inlet pipe (354) and cooling water outlet pipe (355)；The fire grate axis (352) uses hollow structure, fire grate axis
(352) both ends are connected in parallel with cooling water inlet pipe (354) and cooling water outlet pipe (355) respectively；The fire grate (351) is located at described
On fire grate axis (352), the driving unit (353) is connected with the fire grate axis (352), and the fire grate (351) is equipped with more
A air ventilation holes (3511).
2. the dump grate device of refuse pyrolysis gasification furnace according to claim 1, which is characterized in that the driving unit
It (353) include bearing (3531), gear (3532), rack gear (3533), oil cylinder (3534) and cylinder bracket (3535), the oil cylinder
(3534) it is located on cylinder bracket (3535), oil cylinder (3534) drive rack (3533) drives turning for the gear (3532)
Dynamic, the gear (3532) drives the rotation of the bearing (3531), and the bearing (3531) drives the fire grate axis (352)
Overturning, fire grate axis (352) drive fire grate (351) rotation, and adjacent fire grate (351) direction of rotation is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810575047.9A CN108954324A (en) | 2018-06-06 | 2018-06-06 | A kind of dump grate device of refuse pyrolysis gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810575047.9A CN108954324A (en) | 2018-06-06 | 2018-06-06 | A kind of dump grate device of refuse pyrolysis gasification furnace |
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| CN108954324A true CN108954324A (en) | 2018-12-07 |
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| CN201810575047.9A Pending CN108954324A (en) | 2018-06-06 | 2018-06-06 | A kind of dump grate device of refuse pyrolysis gasification furnace |
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| CN110274238A (en) * | 2019-05-29 | 2019-09-24 | 陈贤超 | A kind of smokeless pyrolysis gasification furnace of house refuse that knot tying is rejected |
| CN111947160A (en) * | 2020-07-21 | 2020-11-17 | 哈尔滨市龙禹环保设备有限公司 | Air inlet system of household garbage cracking and gasifying device |
| CN112161271A (en) * | 2020-09-08 | 2021-01-01 | 广州华富能环保科技有限公司 | Household garbage pyrolysis energy storage controllable pyrolysis bin |
| CN112212333A (en) * | 2019-07-11 | 2021-01-12 | 湖南联新能源环保科技股份有限公司 | Garbage treatment energy recovery device |
| CN115386388A (en) * | 2022-09-06 | 2022-11-25 | 陕西西卫智慧环境科技有限公司 | Device for preparing mixed gas and biomass carbon by biomass pyrolysis |
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Application publication date: 20181207 |