CN108758652A - Garbage pre-heating desiccation apparatus - Google Patents
Garbage pre-heating desiccation apparatus Download PDFInfo
- Publication number
- CN108758652A CN108758652A CN201810989129.8A CN201810989129A CN108758652A CN 108758652 A CN108758652 A CN 108758652A CN 201810989129 A CN201810989129 A CN 201810989129A CN 108758652 A CN108758652 A CN 108758652A
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- CN
- China
- Prior art keywords
- desiccation
- screw machine
- air
- burner hearth
- heating
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Classifications
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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
- F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
-
- 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
- F23G5/44—Details; Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of garbage pre-heating desiccation apparatus, are connected between the burner hearth feeding system of circulating fluid bed garbage furnace and burner hearth, including：Desiccation screw machine；The desiccation screw machine includes desiccation air compartment and screw machine；The desiccation air compartment includes multiple hot-air spouts；The screw machine is set to above the desiccation air compartment, for being broken up to rubbish material, and is dried by desiccation air compartment under screw drives；The desiccation screw machine is provided with material outlet end, which is connected by rubbish material blanking tube with the burner hearth of recirculating fluidized bed.Based on the present invention, the consumption of coal substantially reduces, and the discharge capacity of carbon monoxide declines an order of magnitude.
Description
Technical field
The present invention relates to a kind of environmental protection technical field more particularly to a kind of garbage pre-heating desiccation apparatus.
Background technology
Existing circulating fluid bed domestic garbage burning stove, stokehold house refuse feeding device are the cores of its fuel supply
Equipment, for the feeding burner hearth of waste steady, safety, sealing to be carried out burning processing.Currently used arrangement：Without place
The house refuse of reason is caught in input hopper material pushing box after stacking fermentation, dehydration in garbage warehouse by garbage grab bucket；Material pushing box
Quantitative push away material drops down onto on chain scraper conveyor；Material is delivered to chain front edge of board, is sent after thumb wheel machine limits thickness of feed layer
Enter on belt conveyor, is delivered in hydraulic pressure pusher by artificial big part sorting, then by material hermetically through rubbish blanking
Pipe is shipped to burner hearth.
Currently due to domestic waste since collection system is incomplete, in addition China's common people's traditional diet, vegetable
Water is more under dish and animal, also has household garbage storage to mostly use polybag mode so that domestic waste water content is big, object
Expect size and calorific value and its uneven, rubbish enters burner hearth and first has to evaporate its own moisture and could burn, and moisture is fast
Driving surrounding oxygen causes the anoxycausis (under conditions of chain burns) simultaneously for the expansion of thousand times of fast evaporated volume or more
Atmosphere, that is, ischaemia is difficult to meet burner hearth full combustion of fuel, carbon monoxide row under the conditions of boiler rational oxygen amount excessively
Amount cannot reach the requirement of discharging standards, and part carbon monoxide fails burning and is just discharged into air to the greatest extent, not only caused to environment
It pollutes and its energy can't make full use of, be unfavorable for energy conservation and environmental protection.
Invention content
In view of the above problems, the present invention is directed to propose a kind of preheating desiccation apparatus, is overcome with this since rubbish contains in burner hearth
The problem of water incineration firing caused greatly is insufficient and CO emission is difficult to reach discharging standards, Jin Erda
To energy-saving and environment-friendly requirement.
The invention discloses a kind of garbage pre-heating desiccation apparatus, are connected to the burner hearth feed of circulating fluid bed garbage furnace
Between system and burner hearth, including：Desiccation screw machine；The desiccation screw machine includes desiccation air compartment and screw machine；The desiccation wind
Room includes multiple hot-air spouts；The screw machine is set to above the desiccation air compartment, for being broken up to rubbish material,
And it is dried by desiccation air compartment under screw drives；The desiccation screw machine is provided with material outlet end, the material outlet
End is connected by rubbish material blanking tube with the burner hearth of recirculating fluidized bed.
Further, further include dust chute in above-mentioned garbage pre-heating desiccation apparatus；The lower end of the dust chute and institute
Screw machine is stated to be connected；The upper end of the dust chute is connected to the burner hearth feeding system.
Further, further include flow diverter in above-mentioned garbage pre-heating desiccation apparatus；The flow diverter is arranged in dust chute
Upper end, and be connected to the upper end of the burner hearth of recirculating fluidized bed.
Further, in above-mentioned garbage pre-heating desiccation apparatus, the flow diverter includes drainage pipe and expansion joint；It is described swollen
Swollen section is arranged in the middle part of drainage pipe；The drainage pipe is Venturi tube structure.
Further, in above-mentioned garbage pre-heating desiccation apparatus, the screw machine hangs on the burner hearth by spring hanger
The lower section of feeding system；The screw machine includes shell, helical blade, driving device for slow-run and cooling chamber；The screw drives
Device is connect with the helical blade；The helical blade is inserted into the shell；Cooling chamber connection driving device for slow-run and
The shell；The helical blade is to have axis or shaftless.
Further, in above-mentioned garbage pre-heating desiccation apparatus, the screw machine quantity is one or more.
Further, in above-mentioned garbage pre-heating desiccation apparatus, the hot-air spout along the screw machine traffic direction to
Oblique upper is arranged.
Further, in above-mentioned garbage pre-heating desiccation apparatus, further include：Hot blast manifold road；Hot wind branch
The water cooled wind chamber of desiccation air compartment and the recirculating fluidized bed described in pipeline connection.
Further, in above-mentioned garbage pre-heating desiccation apparatus, further include：Secondary hot-air bye-pass；The secondary hot-air branch
The secondary hot-air main line of flow diverter and recirculating fluidized bed described in pipeline connection.
Further, in above-mentioned garbage pre-heating desiccation apparatus, further include：Sandbox；The sandbox be set to the burner hearth to
Between material system and the dust chute；The sandbox includes cope, drag box and sealing felt packing；The cope is inserted into
In drag box；The sealing felt packing is arranged in drag box.
The present invention preheats in desiccation apparatus, and garbage drying device is by being arranged desiccation air compartment and being set in the desiccation air compartment
Desiccation screw machine, the rubbish material to fall from burner hearth feeding system is broken up after screw machine, also, in desiccation wind
It under the action of the hot-air sprayed in hot-air spout in room, is fully combined with high-temperature gas, enters burner hearth combustion in rubbish material
Before burning, the moisture on surface and partial interior is fallen in drying, and the water vapour of generation enters upper furnace (non-burning area by flow diverter
Domain), it avoids discharging a large amount of water vapours when burning, that is to say, that allow the rubbish of conveying to have to pass through hot-air seasoning disturbance, make spiral
On rubbish relative motion uniformly, temperature increase, remove big portion's moisture, in turn, overcome since rubbish water content is led greatly in burner hearth
The problem of incineration firing of cause is insufficient and CO emission is difficult to reach discharging standards, reaches energy-saving and environment-friendly
It is required that testing results data are shown, technology using the present invention, the consumption of coal substantially reduces, and the discharge capacity of carbon monoxide declines
An order of magnitude.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the garbage pre-heating drying process flow chart based on garbage pre-heating desiccation apparatus of the embodiment of the present invention；
Fig. 2 is garbage pre-heating desiccation apparatus overall structure diagram of the embodiment of the present invention；
Fig. 3 is water cooled wind chamber, secondary hot-air bye-pass, a hot wind in garbage pre-heating desiccation apparatus of the embodiment of the present invention
The arrangement schematic diagram of bye-pass；
Fig. 4 is that the embodiment of the present invention preheats desiccation apparatus desiccation air compartment phantom；
Fig. 5 is that the embodiment of the present invention preheats in desiccation apparatus, the internal structure schematic diagram of desiccation conveyer.
Reference sign
1 garbage grab bucket
2 material pushing boxes
3 chain mat machines
4 kickofves
5 belt feeders
6 hydraulic pressure pushers
7 garbage pre-heating desiccation apparatus
71 dust chutes
711 sandboxes
7111 copes
7112 drag boxs
7113 sealing felt packings
72 flow diverters
721 expansion joints
722 castables
73 desiccation screw machines
731 screw machines
7311 helical blades
7312 peep holes
7313 maintenance door
7314 cooling chambers
732 desiccation air compartments
7321 hot-air spouts
7322 soot cleaning valves
733 spring hangers
8 rubbish material blanking tubes
81 plenum chambers
9 burner hearths
10 water cooled wind chambers
11 hot blast manifold roads
12 secondary hot-air bye-passes
13 cold wind bye-passes
Specific implementation mode
To keep the above objects, features, and advantages of invention more obvious and easy to understand, below in conjunction with the accompanying drawings, to the present invention's
Embodiment is described in detail.
Referring to Fig.1, Fig. 1 is the garbage pre-heating drying process flow based on garbage pre-heating desiccation apparatus of the embodiment of the present invention
Figure.
It will be seen from figure 1 that in the present embodiment garbage pre-heating desiccation apparatus, burner hearth feeding system basic composition is：Pass through
Garbage grab bucket 1, rubbish material are sent in material pushing box 2.Rubbish material into material pushing box 2 passes through chain mat machine 3, dials successively
Material machine 4, belt feeder 5, are sent in hydraulic pressure pusher 6.Specifically, untreated house refuse is passed through stacks in garbage warehouse
It is caught in input material pushing box 2 by garbage grab bucket 1 after fermentation, dehydration；Quantitative push away material of material pushing box 2 drops down onto on chain mat machine 3；Object
Material is delivered to 3 front end of chain mat machine, is sent on belt feeder 5 after kickoff 4 limits thickness of feed layer, defeated by artificial big part sorting
It send to hydraulic pressure pusher 6.
Later, unlike the prior art, the rubbish in hydraulic pressure pusher 6, is not directly over rubbish material blanking tube 8
Into burner hearth 9, and it is the increase in the garbage pre-heating desiccation apparatus 7 of the present invention.
Specifically, the present embodiment garbage pre-heating desiccation apparatus 7, be connected to the burner hearth of circulating fluid bed garbage furnace to
Between material system and burner hearth 9, including：Desiccation screw machine 73, the desiccation screw machine 73 include desiccation air compartment 732 and screw machine 731；
Screw machine 731 is set to 732 top of desiccation air compartment, for being broken up to rubbish material, and passes through desiccation under screw drives
Air compartment 732 is dried；Desiccation screw conveyor 73 is provided with material outlet end, which passes through rubbish material blanking tube 8
It is connected with the burner hearth 9 of recirculating fluidized bed.And desiccation screw machine 73 is provided with material inlet end, which passes through rubbish
Rubbish chute 71 is connected with hydraulic pressure pusher 6.
It is further preferred that can also include dust chute 71 and flow diverter 72 in the above-described embodiments；Flow diverter 72 is set
Set in the upper end of dust chute 71, and with the non-burning regional connectivity in the upper end of recirculating fluidized bed burner hearth 9.Rubbish material is in desiccation spiral shell
The vapor that desiccation generates is disturbed in rotation machine 73 and passes through dust chute 71, sucks flow diverter 72 under the action of negative pressure, and directly arrange
Enter the non-burning region of 9 upper end of recirculating fluidized bed burner hearth.
It should be pointed out that the structure of burner hearth feeding system does not limit in the present invention, the present embodiment is only burner hearth
A kind of concrete implementation form of feeding system, hydraulic pressure pusher 6 can be a hydraulic pressure pusher, can also by two or
The more hydraulic pressure pushers of person coordinate realization jointly.The present invention does not limit herein.
With reference to Fig. 2 to Fig. 5, a preferred embodiment of garbage pre-heating desiccation apparatus of the present invention is done further
It is bright.
Fig. 2 is garbage pre-heating desiccation apparatus overall structure diagram of the embodiment of the present invention, and Fig. 3 is rubbish of the embodiment of the present invention
Preheat in desiccation apparatus, water cooled wind chamber, secondary hot-air bye-pass, hot blast manifold road arrangement schematic diagram；Fig. 4 is the present invention
Embodiment preheats desiccation apparatus desiccation air compartment phantom；Fig. 5 is that the embodiment of the present invention preheats in desiccation apparatus, desiccation spiral
Machine internal structure schematic diagram；
In this embodiment, hydraulic pressure pusher 6 is preferably Hydraulic Double pusher, under the action of double push-material machine thrust, rubbish
Rubbish is broken through dust chute 71 and is entered in desiccation screw machine 73.Desiccation screw machine 73 can be to rubbish using the differential operation of alternative expression
Carry out agitation appropriate.
Also, desiccation air compartment 732 includes multiple hot-air spouts 7321, and multiple hot-air spouts 7321 blow a hot wind
Rubbish material into screw machine 731, one time hot wind (274 DEG C) fully contacts with rubbish material, dries its moisture.The primary heat
Wind comes from the water cooled wind chamber 10 of circulating fluid bed garbage furnace.The wind that water cooled wind chamber 10 is used to come primary air fan guides
In an isobaric bellows, then enter combustion chamber through blast cap.Structure and setting of the water cooled wind chamber 10 in recirculating fluidized bed are right
It is known for those skilled in the art, details are not described herein.
Rubbish material after preheating and drying is exported from the material outlet end of desiccation screw machine 73, and passes through material blanking tube 8,
The rubbish material of desiccation is continuously introduced into burner hearth 9 and is fully burnt.
Also, in the flow diverter 72 of 71 upper end of dust chute installation, a large amount of water vapours that desiccation screw machine 73 is evaporated
The 9 non-burning region of burner hearth of recirculating fluidized bed is led to, the negative pressure on 71 top of dust chute is maintained, reduces recirculating fluidized bed feed system
Causing because of positive pressure for system is poorly sealed, improves the operating environment of sorting platform, and can be by material blanking tube 8 and burner hearth faying face
Heat smoke is drained in middle dust chute 71, accelerates the heat drying efficiency of material.
A hot wind, a cold wind, the secondary hot-air of reference are that former boiler system has been provided with, and are only divided) it is one small
Part coordinates the system operation and finally being also to revert to burner hearth contributes to burning, is more rationally utilized to it.Using this reality
Example is applied, run 3 months and is tested, the results showed that：Coal consumption reduces by 50%, carbon monoxide and declines an order of magnitude.
In one specifically embodiment, 6 outlet end of hydraulic pressure pusher is connected to dust chute 71 using sandbox 711；
Using sandbox Expansion sealing structure, it is possible to reduce equipment occupation space and cost.Sandbox 71 includes cope 7111, drag box
7112 and sealing felt packing 7113；Cope 7111 is inserted into drag box 7112；Felt packing is sealed to be arranged in drag box 7112；
Sandbox is arranged in 71 import of material pushing box outlet end and dust chute, and thermally expands the displacement generated for compensating unit；Sealing
Felt packing is high temperature resistant poromeric material, preferably ceramic fiber thermal insulation felt.
Dust chute 71 includes elephant trunk, wear strip and clothes-hook；Wear strip is arranged upper in dust chute 71 by clothes-hook
Portion.
The setting of flow diverter 72 in 71 both sides of dust chute, flow diverter 71 include drainage pipe, expansion joint 721, hexsteel and
Wear-resisting castable 722；Expansion joint 721 is arranged in the middle part of drainage pipe, and the displacement generated is thermally expanded for compensating unit；Tortoise plastron
Net is arranged inside drainage pipe, acts on wear-resisting castable 722；Wear-resistant castable 722 is arranged inside drainage pipe,
It is even to be applied on hexsteel；Corrosive-proof plastic material is for preventing abrasion of the drainage pipe in high-temperature flue gas course of injection.
Screw machine 733 includes shaped spiral housing, maintenance door 7313, peep hole 7312, driving device for slow-run, helical blade
7311, cooling chamber 7314, thermometer, pressure gauge；Maintenance door 7313 is arranged on shaped spiral housing；Peep hole 7312 is arranged in spiral
Two upper lateral part of shell；Driving device for slow-run is connect with helical blade 7311；Helical blade 7311 is inserted into shaped spiral housing；It is cooling
Room 7314 connects driving device for slow-run and shaped spiral housing；It is cold that peep hole 7312 is connected to a cold wind bye-pass 12 with cooling chamber 7314
But wind is protected, and also sets up valve with shaped spiral housing junction；Thermometer and thermometer are arranged on screw machine shell tail portion
Side, to monitor temperature and pressure in spiral.
Desiccation air compartment 732 further includes soot cleaning valve 7322；Soot cleaning valve 7322 is arranged in 732 shell of desiccation air compartment close to burner hearth
End is used to open the dust stratification removed in desiccation air compartment 732；The bottom steel of 732 case top steel plate of desiccation air compartment, that is, screw machine 731
Plate uses abrasion-proof manganese steel material；732 case top of desiccation air compartment is arranged hot-air spout 7321, and hot-air spout 7321 with it is dry
Change 732 case top of air compartment to be in tilted layout, inclined direction is directed toward material movement direction, prevents feed blocking and can reduce spiral transferring
Send resistance.
Desiccation screw machine 73 is suspended below hydraulic pressure pusher using spring hanger 733, is prevented by elastic gravity
Heated equipment thermal expansion deformation.Under the basis for not influencing former garbage feeding device normal operation, in its lower layer's platform with multiple
Constant force spring hanging frame 733 is suspended desiccation screw machine 73, convenient for installation and maintenance.
Hot blast manifold road 11 includes a hot blast manifold road, valve, pressure gauge, thermometer and spring hanger 733；Pressure
Power table and thermometer are mounted on a hot blast manifold road, are respectively positioned on valve nose；In pressure gauge and thermometer detection wind pipeline
A hot wind air quantity is adjusted in pressure and temperature, valve.
The preheating desiccation apparatus can also include secondary hot-air bye-pass 12 and a cold wind bye-pass 13.Secondary hot-air branch
Pipeline 12 is respectively communicated with flow diverter 72 and secondary hot-air main line；Secondary hot-air bye-pass 12 includes secondary hot-air branch pipe(tube), valve
Door, pressure gauge, thermometer and spring hanger；Pressure gauge is mounted on secondary hot-air branch pipe(tube), is located at valve nose and two
Secondary hot blast manifold road end；Thermometer is mounted on secondary hot-air branch pipe(tube) end；Secondary hot-air bye-pass 12 is responsible for for Secondary Air
Road is to flow diverter air pipe line.Pressure and temperature in pressure gauge and thermometer detection wind pipeline, valve regulated secondary hot-air flow are main
Pipe draws a branch, can give flow diverter jet pipe with reasonable distribution flow, and water vapour, which is effectively discharged, makes pusher outlet remain micro- negative
Pressure condition.
Cold wind bye-pass 13 includes a cold wind to the plenum chamber bye-pass of material blanking tube and a cold wind to cold air chamber
Bye-pass.Cold wind to material blanking tube plenum chamber bye-pass is respectively communicated with a cold wind main pipeline and plenum chamber 81；Cold wind
It is respectively communicated with a cold wind main pipeline and cooling chamber 7314 to cold air chamber's bye-pass.Cold wind is to material blanking tube plenum chamber bye-pass
Including a cold wind to material blanking tube plenum chamber branch pipe(tube), pressure gauge, thermometer and expansion joint.Cold wind is to cold air chamber's bye-pass
To cold air chamber's branch pipe(tube), pressure gauge, valve and it is flexible coupling including a cold wind, and after a cold wind enters cooling chamber 7314,
It is connected to desiccation air compartment 732 by pipeline；Cold wind is cooled down to cold air chamber's bye-pass for spiral machine actuating device end, is effectively protected
Protect dynamical system；Cold wind is cooled down for screw machine by burner hearth end and rubbish material blanking tube 8 to material blanking tube plenum chamber bye-pass.
As described above, a hot wind of reference, a cold wind, secondary hot-air are that former boiler system has been provided with, only
It is point) sub-fraction coordinates the system operation and finally being also to revert to burner hearth contributes to burning, it is more rationally utilized.
Material blanking tube 8 includes plenum chamber 81, chuck material blanking tube and a cold wind import；Plenum chamber respectively with chuck material blanking tube and
Cold wind import connection；Chuck material blanking tube is made of inner tube, outer tube and fuisw rib；Fuisw rib setting inner and outer tubes it
Between；It is designed using chuck air cooling.It is passed through a large amount of First airs on material blanking tube periphery and enters burner hearth with rubbish, on the one hand surrounds combustion
Material provides sufficient oxygen, and on the other hand can reduce the temperature of material blanking tube metal material prevents its ablation.Material blanking tube 8 is using folder
Air cooling design is covered, a large amount of First airs is passed through on material blanking tube periphery and enters burner hearth with rubbish, on the one hand fuel offer is provided filled
The oxygen of foot, on the other hand can reduce the temperature of material blanking tube metal material prevents its ablation.
The present invention preheats in desiccation apparatus, passes through desiccation screw machine so that material fully can be dried and be disturbed；It is logical
Cross the flow diverter with Venturi tube structure so that pusher outlet maintains micro-vacuum state that will be generated in desiccation screw machine simultaneously
Vapor is pulled out dust chute, with this overcome due in burner hearth rubbish water content greatly caused by incineration firing it is insufficient and one
The problem of oxidation carbon emission amount is difficult to reach discharging standards, and then reach energy-saving and environment-friendly requirement.
Hot blast main pipe road is the wind pipeline after the water cooled air compartment heating of cold wind that primary air fan provides, and mainly leads to burner hearth
Bottom blast cap provides fluidized wind for circulating fluidized bed boiler waste incineration, and provides the oxygen needed for burning.
Cold wind main pipeline is the wind pipeline that primary air fan outlet is drawn, and cooling wind is provided for boiler plant.
Secondary hot-air main pipeline is wind pipeline of the cold wind that provides of overfire air fan after air preheater heats, mainly logical burner hearth stream
Change combustion zone, oxygen is provided for circulating fluidized bed boiler waste incineration.
As above, the embodiment of the present invention is explained in detail, as long as but essentially without the disengaging present invention's
Inventive point and effect, can there is many deformations, this will be readily apparent to persons skilled in the art.Therefore, in this way
Variation be integrally incorporated within protection scope of the present invention.
Claims (10)
1. a kind of garbage pre-heating desiccation apparatus, which is characterized in that be connected to the burner hearth feed system of circulating fluid bed garbage furnace
Between system and burner hearth, including：
Desiccation screw machine；
The desiccation screw machine includes desiccation air compartment and screw machine；
The desiccation air compartment includes multiple hot-air spouts；
The screw machine is set to above the desiccation air compartment, for being broken up to rubbish material, and is led under screw drives
Desiccation air compartment is crossed to be dried；
The desiccation screw machine is provided with material outlet end, the stove which passes through rubbish material blanking tube and recirculating fluidized bed
Thorax is connected.
2. garbage pre-heating desiccation apparatus according to claim 1, which is characterized in that
It further include dust chute；
The lower end of the dust chute is connected with the screw machine；
The upper end of the dust chute is connected to the burner hearth feeding system.
3. garbage pre-heating desiccation apparatus according to claim 1, which is characterized in that
It further include flow diverter；
The flow diverter is arranged in the upper end of dust chute, and is connected to the upper end of the burner hearth of recirculating fluidized bed.
4. garbage pre-heating desiccation apparatus according to claim 3, which is characterized in that
The flow diverter includes drainage pipe and expansion joint；
The expansion joint is arranged in the middle part of drainage pipe；
The drainage pipe is Venturi tube structure.
5. garbage pre-heating desiccation apparatus according to claim 4, which is characterized in that
The screw machine hangs on the lower section of the burner hearth feeding system by spring hanger；
The screw machine includes shell, helical blade, driving device for slow-run and cooling chamber；
The driving device for slow-run is connect with the helical blade；
The helical blade is inserted into the shell；
The cooling chamber connection driving device for slow-run and the shell；
The helical blade is to have axis or shaftless.
6. garbage pre-heating desiccation apparatus according to claim 5, which is characterized in that
The screw machine quantity is one or more.
7. according to the garbage pre-heating desiccation apparatus of claim 5 or 6, which is characterized in that
The hot-air spout is arranged obliquely upward along the screw machine traffic direction.
8. garbage pre-heating desiccation apparatus according to claim 7, which is characterized in that further include：Hot blast manifold road；
Hot blast manifold road is connected to the water cooled wind chamber of the desiccation air compartment and the recirculating fluidized bed.
9. garbage pre-heating desiccation apparatus according to claim 8, which is characterized in that further include：Secondary hot-air bye-pass；
The secondary hot-air bye-pass is connected to the secondary hot-air main line of the flow diverter and recirculating fluidized bed.
10. the garbage pre-heating desiccation apparatus described in claim 9, which is characterized in that further include：
Sandbox；
The sandbox is set between the burner hearth feeding system and the dust chute；
The sandbox includes cope, drag box and sealing felt packing；
The cope is inserted into drag box；
The sealing felt packing is arranged in drag box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810989129.8A CN108758652A (en) | 2018-08-28 | 2018-08-28 | Garbage pre-heating desiccation apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810989129.8A CN108758652A (en) | 2018-08-28 | 2018-08-28 | Garbage pre-heating desiccation apparatus |
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| CN108758652A true CN108758652A (en) | 2018-11-06 |
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| CN201748435U (en) * | 2010-06-08 | 2011-02-16 | 上海康恒环境工程有限公司 | Waste incineration treatment device applicable to small towns |
| CN104791803A (en) * | 2014-01-21 | 2015-07-22 | 无锡高尔环保科技有限公司 | Waste incinerating device and incinerating technology thereof |
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| CN206247347U (en) * | 2016-11-20 | 2017-06-13 | 中润祥环保科技有限公司 | Incinerator continuous feed and dryer |
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| CN208764935U (en) * | 2018-08-28 | 2019-04-19 | 淮安中科环保电力有限公司 | Garbage pre-heating desiccation apparatus |
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