CN106196076A - A kind of garbage combustion device - Google Patents
A kind of garbage combustion device Download PDFInfo
- Publication number
- CN106196076A CN106196076A CN201610664761.6A CN201610664761A CN106196076A CN 106196076 A CN106196076 A CN 106196076A CN 201610664761 A CN201610664761 A CN 201610664761A CN 106196076 A CN106196076 A CN 106196076A
- Authority
- CN
- China
- Prior art keywords
- garbage
- combustion device
- incinerator
- garbage combustion
- feed hopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/04—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot slag, hot residues, or heated blocks, e.g. iron blocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- 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
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to a kind of garbage combustion device.Described garbage combustion device includes incinerator, trash repository and airtight refuse transport system；Wherein, described refuse transport system includes garbage conveyor, and one end of described garbage conveyor connects described trash repository, and the other end of described garbage conveyor connects described incinerator.The circulating fluid-bed power plant using garbage combustion device of the present invention ensure that the stable operation of mechanical kiln grate furnace, time of running in year was more than 8000 hours, incinerator and auxiliary equipment thereof are reasonably arranged in the space utilizing same court limited, it is easily installed and overhauls, and ensure the continuous-stable of garbage feeding system and bootstrap system.
Description
Technical field
The present invention relates to field of waste incineration, in particular it relates to a kind of garbage combustion device.
Background technology
Along with the environmental requirement of domestic waste incineration industry is more and more higher, domestic progressively beginning limits waste incineration recycle stream
The construction of Hua Chuan power plant, the reserved place of some recirculating fluidized bed power plant can not the newly-built or new recirculating fluidized bed of enlarging,
Many recirculating fluidized bed producers start to explore removes, by former recirculating fluidized bed, the method changing waste incineration machinery grate furnace into.
The grate furnace transformation of circulating fluid-bed power plant has a difficult problem for many, because recirculating fluidized bed transformation is limited by place,
The Factory Building being suitable for mechanical kiln grate furnace arranges the place that cannot be used for needs transformation, such as recirculating fluidized bed power plant trash repository and burning
Between be separated by the distance of several meters even tens meters, and the feed hopper of traditional mechanical grate furnace is arranged and trash repository side wall；Ciculation fluidized
It is to slag tap by the conveyer in defeated slag passage is unified that bed is slagged tap, and slag is sent into slag by domestic stoker fired grate this employing of furnace foundation
Hole, then slagged tap by slag grab bucket；Many employings of CFBB 450 DEG C, the middle temperature sub-high pressure waste heat boiler of 5.3MPA,
And domestic waste incineration many employings of machinery grate furnace 400 DEG C, the medium temperature and medium pressure waste heat boiler of 4MPA；Some recirculating fluidized bed power plant
Trash repository does not use the mode of mesophilic digestion to remove the moisture of rubbish, and mechanical kiln grate furnace needs the method that uses rubbish fermentation,
By dumping 7 day time in trash repository, fully remove refuse moisture, improve the calorific value of rubbish, it is ensured that waste incineration steady
Qualitative；In addition also have many problems.So the difficulty of the grate furnace transformation of circulating fluid-bed power plant is relatively big, this patent proposes
A kind of circulating fluid-bed changes the method for mechanical kiln grate furnace can overcome problem above.
Incinerator there is problems in that at present
1. limiting due to place, the feed hopper of mechanical kiln grate furnace is remote with the distance of trash repository, needs a kind of reliable and stable
Feeding manner, it is ensured that the continuous feed of mechanical kiln grate furnace, if stoker fired grate batch hopper occur sky material, the flame of burner hearth flash back to
In feed hopper, initiation fire.
2. the middle temperature sub-high pressure boiler that recirculating fluidized bed uses, its turbine parameters can not change, if mechanical kiln grate furnace
Use middle temperature sub-high pressure waste heat boiler, need solution to prevent boiler heating surface High Temperature Corrosion.
3. the reasonable Arrangement of equipment, makes full use of limited space, it is simple to installs and overhauls.
Summary of the invention
The present invention provides a kind of incinerator, effectively solves the problem that pusher dolly is stuck, makes house refuse simultaneously
More uniformly spreading on fire grate, improves combustion efficiency.
The present invention is to solve problems of the prior art, it is provided that a kind of garbage combustion device, described rubbish burns
Burn device and include incinerator, trash repository and airtight refuse transport system；
Wherein, described refuse transport system includes garbage conveyor, and one end of described garbage conveyor connects described rubbish
Storehouse, the other end of described garbage conveyor connects described incinerator.
Alternatively, described refuse transport system also includes that conveyer feed hopper, described conveyer feed hopper are disposed in proximity to
The top of described garbage conveyor one end of described trash repository.
Alternatively, described conveyer feed hopper is additionally provided with rolling glassware.
Alternatively, described rolling glassware is arranged at the bottom of described conveyer feed hopper near the one of described incinerator
Side.
Alternatively, described refuse transport system also includes that exhaust pipe, described exhaust pipe are disposed in proximity to described rubbish
One end of the described garbage conveyor of incinerator, described exhaust pipe connects with First air air inlet.
Alternatively, described garbage conveyor connects with the feed hopper of described incinerator.
Alternatively, described feed hopper is provided with fire extinguisher canvas hose.
Alternatively, described incinerator includes the flue being arranged at above garbage incinerator fire grate, described flue and waste heat
Boiler connects.
Alternatively, the heat exchange pipeline surface spraying of described waste heat boiler has high-temperature corrosion resistance material.
Alternatively, described heat exchange pipeline is identical with the thermal coefficient of expansion of described high-temperature corrosion resistance material.
Alternatively, the thickness of described high-temperature corrosion resistance material is more than 0.5mm.
Alternatively, the intercept of the heat exchange pipeline of described waste heat boiler is more than 200mm.
Alternatively, described incinerator includes the hydrolock dragveyer being arranged at below garbage incinerator fire grate.
Alternatively, the outlet of described dragveyer is provided with bleeding point.
Alternatively, described incinerator also includes primary air fan, and described primary air fan dispersed placement is in burning fire grate
Bottom.
Alternatively, described garbage conveyor is provided with discharge outlet near the bottom of one end of described trash repository.
The circulating fluid-bed power plant using garbage combustion device of the present invention ensure that the stable fortune of mechanical kiln grate furnace
OK, the time of running in year is more than 8000 hours, and incinerator and auxiliary equipment thereof are reasonably arranged in the space utilizing same court limited, just
In installing and maintenance, and ensure the continuous-stable of garbage feeding system and bootstrap system.
Accompanying drawing explanation
The drawings below of the present invention is used for understanding the present invention in this as the part of the present invention.Shown in the drawings of this
Bright embodiment and description thereof, be used for explaining assembly of the invention and principle.In the accompanying drawings,
Fig. 1 is the structural representation of the grate furnace of garbage combustion device；
Fig. 2 be garbage combustion device grate furnace in the structural representation of refuse transport system.
Accompanying drawing identifies
1, trash repository 2, garbage grab bucket
3, refuse transport system 4, incinerator feed hopper
5, mechanical kiln grate furnace 6, waste heat boiler
7, hydrolock dragveyer 8, slag releasing channel
9, primary air fan 10, air preheater
11, overfire air fan 12, garbage conveyor
13, discharge outlet 14, rolling glassware
15, exhaust pipe 16, fire extinguisher canvas hose
17, apron conveyer feed hopper
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.So
And, it is obvious to the skilled person that the present invention can be able to without these details one or more
Implement.In other example, in order to avoid obscuring with the present invention, technical characteristics more well known in the art are not entered
Line description.
It should be appreciated that when using term " to comprise " in this manual and/or time " including ", it indicates that existence is described
Feature, entirety, step, operation, element and/or assembly, but do not preclude the presence or addition of other features one or more, entirety,
Step, operation, element, assembly and/or combinations thereof.
Embodiment 1
The present invention is to solve problems of the prior art, it is provided that a kind of garbage combustion device, including trash repository
1, garbage grab bucket 2, refuse transport system 3, incinerator feed hopper 4, mechanical kiln grate furnace 5, waste heat boiler 6, hydrolock dragveyer 7,
Slag releasing channel 8, primary air fan 9, air preheater 10, overfire air fan 11, apron conveyer 12, discharge outlet 13, rolling glassware 14, take out
Air pipe 15, fire extinguisher canvas hose 16 and apron conveyer feed hopper 17.
Being further described garbage combustion device of the present invention below in conjunction with the accompanying drawings, wherein Fig. 1 is waste incineration
The structural representation of the grate furnace of device；Fig. 2 be garbage combustion device grate furnace in the structural representation of refuse transport system.
Illustrate as a example by the grate furnace of circulating fluid-bed power plant in the present invention, it should be understood that, described incinerator
It is not limited to this example.
Owing to place limits, the feed hopper of mechanical kiln grate furnace is remote with the distance of trash repository, needs a kind of reliable and stable entering
Material mode, it is ensured that the continuous feed of mechanical kiln grate furnace, if stoker fired grate batch hopper occurs sky material, the flame of burner hearth flashes back to entering
In hopper, initiation fire, the invention provides a kind of garbage combustion device, described garbage combustion device bag to solve this problem
Include incinerator, trash repository and airtight refuse transport system；
Wherein, described refuse transport system includes garbage conveyor, and one end of described garbage conveyor connects described rubbish
Storehouse, the other end of described garbage conveyor connects described incinerator.
Described refuse transport system also includes that conveyer feed hopper, described conveyer feed hopper are disposed in proximity to described rubbish
The top of the described garbage conveyor one end in storehouse.
Alternatively, refuse transport system 3 is mainly by garbage conveyor 12 (such as apron conveyer), discharge outlet 13, rolling material
Device 14, exhaust pipe 15, fire extinguisher canvas hose 16, apron conveyer feed hopper 17 form.
Wherein, described rolling glassware is arranged at the bottom of described conveyer feed hopper near the side of described incinerator,
Rubbish is made to enter apron conveyer 12 entrance smoothly the fluffing action of rubbish by rolling glassware 14, and by apron conveyer 12
Deliver to the other end, and send into incinerator feed hopper 4.
Alternatively, described refuse transport system also includes that exhaust pipe, described exhaust pipe are disposed in proximity to described rubbish
The end of the described garbage conveyor of incinerator, described exhaust pipe connects with First air air inlet.
Such as apron conveyer is enclosed construction, and it is provided with exhaust pipe 15 near one end of incinerator feed hopper, can
The generation foul smell of rubbish is extracted and mixes with First air in feeding mechanical kiln grate furnace 5.
Wherein, described garbage conveyor connects with the feed hopper of described incinerator, and rubbish is introduced into rubbish delivery system
Apron conveyer feed hopper 17 in system 3, makes rubbish enter dissepiment the fluffing action of rubbish by rolling glassware 14 defeated smoothly
Send machine 12 entrance, and delivered to the other end by apron conveyer 12, and send into incinerator feed hopper 4.
Further, rubbish enters back into mechanical kiln grate furnace 5 after entering incinerator feed hopper 4 and burns, and its flue gas produced enters
Waste heat boiler 6 heat exchange produces steam and is incorporated to original steam turbine system generating.
Further, described incinerator includes the hydrolock dragveyer being arranged at below garbage incinerator fire grate.After burning
Slag enter hydrolock dragveyer 7, dragveyer pushes the slag releasing channel 9 in genuine room, is uniformly processed to slag, dragveyer
Outlet is provided with a road bleeding point, the steam produced after can extracting slag and cooling water.
Further, described incinerator also includes primary air fan, and described primary air fan dispersed placement is in burning fire grate
Bottom.
Every primary air fan 8 of such as mechanical kiln grate furnace 5 is arranged in mechanical kiln grate furnace 5 end in the way of " breaking the whole up into parts "
Portion, each corresponding mechanical kiln grate furnace 5 air compartment of primary air fan, air preheater 10 is arranged with overfire air fan 11 and is built with original soil
On platform.
The grate furnace improved trash repository 1 of circulating fluid-bed power plant needs to make to close and separate construction, and crude waste needs
The time stacking more than 7 days is entering mechanical kiln grate furnace 5, owing to can produce more percolate, originally rubbish after rubbish fermentation
Percolation liquid treating system in rubbish storehouse 1 needs increasing to process capacity.
The middle temperature sub-high pressure boiler that in device, recirculating fluidized bed uses at present, its turbine parameters can not change, if machine
Tool grate furnace uses middle temperature sub-high pressure waste heat boiler, needs solution to prevent boiler heating surface High Temperature Corrosion, in the present invention
Described incinerator includes the flue being arranged at above garbage incinerator fire grate, and described flue connects with waste heat boiler, for understanding
Certainly the heat exchange pipeline surface spraying of waste heat boiler described in this problem has high-temperature corrosion resistance material, to avoid the height of superheater surface
Temperature corrosion.
Alternatively, described heat exchange pipeline is identical with the thermal coefficient of expansion of described high-temperature corrosion resistance material.
Alternatively, the thickness of described high-temperature corrosion resistance material is more than 0.5mm.
Wherein waste heat boiler 6 uses pressure 5.3MPa, and the vertical exhaust-heat boiler of 450 DEG C of parameters of temperature is to save sky
Between, for avoiding the high temperature corrosion of superheater surface can take following measures: 1) superheater surface can use nichrome to spray
Being coated with, coating thickness is more than 0.5mm or uses 06Cr25Ni20Material superheater；2) for preventing superheater dust stratification, superheater is increased
The intercept of pipe is to 200mm；3) flue-gas temperature contacted with superheater is reduced to 550 DEG C；4) distance between superheater is strengthened,
To be replacing and the maintenance slot milling of superheater.
Wherein in order to avoid high temperature corrosion in waste heat boiler 6, following measures can be used: 1) surface of heat exchange pipeline makees cleaning
Process；2) thermal coefficient of expansion of the alloy material sprayed is identical with heat exchanger tube thermal coefficient of expansion；3) this part heat exchanger tube is increased
Wall thickness, thickness increases 1-2mm；4) operation at the scene is avoided in spraying or the built-up welding of heat exchanger tube, and most pipe should spray in factory
Being coated with, weld bond part sprays at the scene, to ensure processing quality.
The operation method of described garbage combustion device is: trash repository 1 with incineration plants at intervals, trash repository 1
In rubbish deliver to refuse transport system 3 by garbage grab bucket 2；Refuse transport system 3 is main by garbage conveyor 12, discharge outlet
13, rolling glassware 14, exhaust pipe 15, fire extinguisher canvas hose 16, apron conveyer feed hopper 17 form, and rubbish is introduced into rubbish delivery system
Apron conveyer feed hopper 17 in system 3, makes rubbish enter dissepiment the fluffing action of rubbish by rolling glassware 14 defeated smoothly
Send machine 12 entrance, and delivered to the other end by apron conveyer 12, and send into incinerator feed hopper 4.
Wherein, garbage conveyor 12 is enclosed construction, and it is provided with exhaust pipe 15 near one end of incinerator feed hopper,
The generation foul smell of rubbish can be extracted and mixes with First air in feeding mechanical kiln grate furnace 5；After rubbish enters incinerator feed hopper 4
Entering back into mechanical kiln grate furnace 5 to burn, its flue gas produced enters waste heat boiler 6 heat exchange generation steam and is incorporated to original steam turbine system
Generating, the slag after burning enters hydrolock dragveyer 7, and dragveyer thinks that slag pushes the slag releasing channel 9 in genuine room, at unification
Reason, the outlet of dragveyer is provided with a road bleeding point, the steam produced after can extracting slag and cooling water.
The circulating fluid-bed power plant using garbage combustion device of the present invention ensure that the stable fortune of mechanical kiln grate furnace
OK, the time of running in year is more than 8000 hours, and incinerator and auxiliary equipment thereof are reasonably arranged in the space utilizing same court limited, just
In installing and maintenance, and ensure the continuous-stable of garbage feeding system and bootstrap system.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to
Citing and descriptive purpose, and be not intended to limit the invention in described scope of embodiments.In addition people in the art
Member, it is understood that the invention is not limited in above-described embodiment, can also make more kinds of according to the teachings of the present invention
Variants and modifications, within these variants and modifications all fall within scope of the present invention.Protection scope of the present invention by
The appended claims and equivalent scope thereof are defined.
Claims (16)
1. a garbage combustion device, it is characterised in that described garbage combustion device includes incinerator, trash repository and close
The refuse transport system closed；
Wherein, described refuse transport system includes garbage conveyor, and one end of described garbage conveyor connects described trash repository, institute
The other end stating garbage conveyor connects described incinerator.
Garbage combustion device the most according to claim 1, it is characterised in that described refuse transport system also includes conveyer
Feed hopper, described conveyer feed hopper is disposed in proximity to the top of described garbage conveyor one end of described trash repository.
Garbage combustion device the most according to claim 2, it is characterised in that be additionally provided with rolling in described conveyer feed hopper
Glassware.
Garbage combustion device the most according to claim 3, it is characterised in that described rolling glassware be arranged at described conveyer to
The bottom of hopper is near the side of described incinerator.
Garbage combustion device the most according to claim 1, it is characterised in that described refuse transport system also includes exhaust tube
Road, described exhaust pipe is disposed in proximity to one end of the described garbage conveyor of described incinerator, described exhaust pipe with
First air air inlet connects.
Garbage combustion device the most according to claim 1, it is characterised in that described garbage conveyor and described waste incineration
The feed hopper connection of stove.
Garbage combustion device the most according to claim 6, it is characterised in that be provided with fire extinguisher canvas hose on described feed hopper.
Garbage combustion device the most according to claim 1, it is characterised in that described incinerator includes being arranged at rubbish
Burning the flue above fire grate, described flue connects with waste heat boiler.
Garbage combustion device the most according to claim 8, it is characterised in that the heat exchange pipeline surface spray of described waste heat boiler
Scribble high-temperature corrosion resistance material.
Garbage combustion device the most according to claim 9, it is characterised in that described heat exchange pipeline and described high temperature resistant corruption
The thermal coefficient of expansion of corrosion material is identical.
11. garbage combustion devices according to claim 8, it is characterised in that the thickness of described high-temperature corrosion resistance material is big
In 0.5mm.
12. garbage combustion devices according to claim 8, it is characterised in that cutting of the heat exchange pipeline of described waste heat boiler
Away from for more than 200mm.
13. garbage combustion devices according to claim 1, it is characterised in that described incinerator includes being arranged at rubbish
Rubbish burns the hydrolock dragveyer below fire grate.
14. garbage combustion devices according to claim 11, it is characterised in that the outlet of described dragveyer is provided with bleeds
Mouthful.
15. garbage combustion devices according to claim 1, it is characterised in that described incinerator also includes First air
Machine, described primary air fan dispersed placement is in the bottom burning fire grate.
16. garbage combustion devices according to claim 1, it is characterised in that described garbage conveyor is near described rubbish
The bottom of the one end in storehouse is provided with discharge outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664761.6A CN106196076A (en) | 2016-08-12 | 2016-08-12 | A kind of garbage combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610664761.6A CN106196076A (en) | 2016-08-12 | 2016-08-12 | A kind of garbage combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106196076A true CN106196076A (en) | 2016-12-07 |
Family
ID=57514493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610664761.6A Pending CN106196076A (en) | 2016-08-12 | 2016-08-12 | A kind of garbage combustion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106196076A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224429A (en) * | 2017-11-17 | 2018-06-29 | 华南理工大学 | A kind of rural garbage is innoxious, the incinerator and method of minimizing and recycling |
| CN108613194A (en) * | 2018-05-10 | 2018-10-02 | 哈尔滨工业大学 | A kind of method and device for villages and small towns consumer waste incineration |
| CN108916881A (en) * | 2018-07-06 | 2018-11-30 | 李佳臻 | The garbage burning factory and reconstruction method of reconstruction |
| CN113790454A (en) * | 2021-10-18 | 2021-12-14 | 重庆三峰卡万塔环境产业有限公司 | Grate furnace capable of sliding and feeding by virtue of dead weight of garbage |
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| CN202494116U (en) * | 2012-01-09 | 2012-10-17 | 厦门坤跃环保有限公司 | Municipal-waste-incinerating power-generating comprehensive treatment system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224429A (en) * | 2017-11-17 | 2018-06-29 | 华南理工大学 | A kind of rural garbage is innoxious, the incinerator and method of minimizing and recycling |
| CN108613194A (en) * | 2018-05-10 | 2018-10-02 | 哈尔滨工业大学 | A kind of method and device for villages and small towns consumer waste incineration |
| CN108916881A (en) * | 2018-07-06 | 2018-11-30 | 李佳臻 | The garbage burning factory and reconstruction method of reconstruction |
| CN108916881B (en) * | 2018-07-06 | 2019-11-19 | 李佳臻 | The garbage burning factory and reconstruction method of reconstruction |
| CN113790454A (en) * | 2021-10-18 | 2021-12-14 | 重庆三峰卡万塔环境产业有限公司 | Grate furnace capable of sliding and feeding by virtue of dead weight of garbage |
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Application publication date: 20161207 |
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