CN107842855A - Municipal solid wastes maintain glow processing platform system and processing method certainly - Google Patents
Municipal solid wastes maintain glow processing platform system and processing method certainly Download PDFInfo
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- CN107842855A CN107842855A CN201711166586.9A CN201711166586A CN107842855A CN 107842855 A CN107842855 A CN 107842855A CN 201711166586 A CN201711166586 A CN 201711166586A CN 107842855 A CN107842855 A CN 107842855A
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- reacting furnace
- municipal solid
- solid wastes
- flue gas
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 58
- 238000012545 processing Methods 0.000 title claims abstract description 43
- 238000003672 processing method Methods 0.000 title description 7
- 239000007789 gas Substances 0.000 claims abstract description 48
- 239000003546 flue gas Substances 0.000 claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000003517 fume Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims description 24
- 239000000779 smoke Substances 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000010304 firing Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 10
- 239000002910 solid waste Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000002459 sustained effect Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000011017 operating method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010563 solid-state fermentation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
-
- 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
- F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
- F23G5/245—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber with perforated bottom or grate
-
- 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
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/002—Regulating fuel supply using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
- F23N5/102—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/101—Arrangement of sensing devices for temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/104—Arrangement of sensing devices for CO or CO2
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/105—Arrangement of sensing devices for NOx
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/30—Oxidant supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/55—Controlling; Monitoring or measuring
- F23G2900/55005—Sensing ash or slag properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/06—Ventilators at the air intake
- F23N2233/08—Ventilators at the air intake with variable speed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Municipal solid wastes of the present invention maintain processing platform system of glowing certainly, compressed gas cylinder including reacting furnace, for reacting furnace supply, the thermocouple of measurement data in reacting furnace, ignition controller, data acquisition device, the fume extractor above reacting furnace, flue gas analyzer, from maintaining glow processing control software system and main frame, and using the processing platform system municipal solid wastes are carried out with the method from the processing that maintains to glow.It is of the present invention to have the beneficial effect that:Apparatus structure is simple, and operating procedure is easy, and municipal solid wastes disposal energy consumption is very low, disposal efficiency is high.
Description
Technical field
The present invention relates to field of environment engineering, is specifically related to municipal solid wastes and maintains processing platform system of glowing certainly
And processing method.
Background technology
The conventional heat treatment technics of municipal solid wastes disposal at present includes burning, pyrolysis, gasification and hydro-thermal charing etc.,
The difference of these heat treatment technics is the difference for being passed through reacting gas composition, operation temperature and pressure, and its common drawback is
Energy consumption is big and cost is high, reacting furnace design and processes complex operation, limits the processing of municipal solid wastes.According to statistics, entirely
State and Cities of Jiangsu Province solid waste treating capacity only account for 24.18% and 2.7% (referring to Fig. 1) of production respectively, cause
Substantial amounts of municipal solid wastes accumulation, has occupied the urban land resource of preciousness, seriously hinders Chinese Urbanization development.Cause
This, municipal solid wastes processing is China's urban development and environmental improvement major issue urgently to be resolved hurrily.Develop low-consumption high-efficiency
Municipal solid wastes processing new technology have important practical significance to solving the problem and social economic effect.
By taking municipal solid wastes incineration disposal method as an example, its processing step is:
1) early-stage preparations
Municipal refuse is transported to incineration plant by rubbish closeding transporting vehicle, is weighed, stored, leachate treatment etc..
2) filler
Municipal refuse is through grab bucket, feed hopper and pusher, into incinerator.
3) burn
By taking two-period form as an example, garbage incinerator fire grate is divided into backstepping section and forwards section Liang Ge combustion zones, and its main flow is:
Rubbish is sent into charging conduit by grab bucket from garbage pool, and burner hearth is entered under the push of batcher, is fallen on inclined backstepping fire grate, rubbish
Rubbish constantly rolls on bed surface, stirred, and completes to dry, catches fire and combustion process, then in the end of backstepping fire grate, by one section
Drop, fall on horizontal forwards fire grate bed surface, burn away, until after-flame.
4) waste gas, Solid state fermentation
The qualified discharge after exhaust gas processing device purifies of flue gas caused by burning, clinker caused by burning can be used as general
Waste processing, the flying dust of sack cleaner processing add cement and chelating agent curing process as hazardous waste.
Following major defect be present in this method:
1) high heat consumption
By taking two-period form type incinerator as an example, the burning of the incinerator need it is outside thermal source is provided, make incineration temperature 800~
In l050 DEG C.This incineration disposal mode needs substantial amounts of outside heat to supply, and is added significantly to cost of disposal.
2) technics comparing is complicated
To furnace temperature, the control of gas residence time, technological operation difficulty is added.Required during incineration disposal, when warm in stove
When degree is more than 850 DEG C, gas residence time > 2s, oxygen concentration 7.26% (is controlled 5.6~10.7%).This is to a certain degree
On increase technological operation difficulty.
3) poisonous and harmful flue gas generation
In flue gas out of stove in discharge process, if the residence time of flue gas (600~200 DEG C) process from high temperature to low temperature
It is longer, bioxin may be generated.
The content of the invention
The shortcomings that existing for current municipal solid wastes thermal treatment technology, the present invention is directed to propose a kind of low consumption, height
The simple municipal solid wastes of efficiency, operating procedure maintain glow processing platform system and processing method certainly.
Municipal solid wastes processing platform system of the present invention, its technical scheme used for:Including compressed gas
Bottle, reacting furnace, ignition controller, data acquisition device, fume extractor, flue gas analyzer and main frame, the compressed gas cylinder pass through
Breather pipe is connected with the reacting furnace, and the top of the reacting furnace is provided with the fume extractor, on the central shaft of the reacting furnace
Some thermocouples are sequentially provided with, the thermocouple is connected by data wire with the data acquisition device, the ignition controller
The reaction furnace bottom is placed in, it is connected with the data acquisition device and the main frame respectively by data wire, the flue gas
Analyzer is connected by gas sampling pipeline with the fume extractor, the data acquisition device and flue gas analyzer difference
It is connected by data wire with the main frame.
Preferably, the reacting furnace includes body of heater and base, and the bottom of furnace body is flexibly connected with the base, the stove
Body is the cylindrical structural of inner hollow and both ends open, and it includes shell and the heat-insulation layer being located on the housing interior side-wall,
The base includes supporting support, supporter and air-breather, and the supporter is the hollow cylinder of upper and lower opening, the igniting
Control device and the air-breather are correspondingly arranged at the upper and lower ends of the supporter respectively, and the lower section of the supporter is provided with institute
State supporting support.
Preferably, the air-breather includes at least one level and is embedded ventilation disk in the supporter bottom, institute
State ventilation disc centre and be provided with total vent entrance openings through the ventilation disk vertically, the ventilation disk is horizontal along central shaft
Radial symmetric is provided with 12 wears groove through holes, is provided with two assisted ventilation holes on each wears groove through hole vertically, described total logical
Gas entrance is connected by breather pipe with the compressed gas cylinder.
Preferably, flow measuring unit and valve are also sequentially provided with the breather pipe.
Preferably, the fume extractor includes enclosure, smoke discharging pipe and smoke exhaust fan, and institute is provided with above the enclosure
Smoke discharging pipe is stated, the smoke discharging pipe is connected with the smoke exhaust fan.
By being installed on main frame from processing control software system of glowing is maintained, can be switched with automatic control ignition device and
The flow of flow controller, display and automatic storage temperature, air flow rate and flue gas data.
Carry out handling municipal solid wastes from the processing platform system that maintains to glow using above-mentioned municipal solid wastes
Method, its step are:
1) raw material prepares:The municipal solid wastes that need to dispose are collected, and is dried, crushes and screen etc. and tentatively locate
Reason;
2) filler:Sandstone first is inserted in the supporter of base, the air-flow for making to be passed through in reacting furnace is steady, uniform, by standard
The municipal solid wastes got ready are inserted in reacting furnace, should be noted compacting raw material during filler, and it is uniformly filled in reacting furnace
It is interior;
3) connection:Connect gas circuit (including compressed gas cylinder, flow measuring unit and ventilation disk etc.) and electric wiring (including point
Fiery controller, main frame and data acquisition etc.), thermocouple is equidistantly inserted into reacting furnace, keeps it in the central shaft of reacting furnace
On;
4) airtight test:Compressed gas cylinder is opened, flow controller is adjusted, the air of certain flow is passed through reacting furnace
It is interior, air flow rate is measured above reacting furnace, the air-tightness of gas circuit is examined, gas circuit is closed after test ending;
5) ignition controller is debugged:Under conditions of gas circuit closing, igniter is opened, different heating power and igniting are set
Temperature conditionss, observation electric thermo-couple temperature changes and reaches the time of firing temperature, final to determine suitable add by debugging repeatedly
Thermal power and firing temperature, and corresponding firing temperature and ventilation flow rate are set in the software control system of main frame;
6) heating igniting:Under conditions of gas circuit closing, ignition control device is opened, the heating work(set using back
Rate heats to municipal solid wastes, when the municipal solid wastes temperature in reacting furnace reaches default firing temperature
Afterwards, control software system will turn off ignition controller;
7) supply regulation and control:After ignition controller is closed, system will automatically turn on flow controller and be passed through air, in observation
Electric thermo-couple temperature changes in mandrel, and the electric thermo-couple temperature above ignition controller all persistently rises, and stable peaks continuously occurs
During value, show that municipal solid wastes have reached the condition that self―sustaining persistently glows, do not need under these conditions any outer
Portion's thermal source heating, municipal solid wastes can persistently glow, until municipal solid wastes after-flame;Glow peak temperature, glow
Rate of spread and flue gas product have direct correlation with gassing rate, can make processing effect of glowing by adjusting suitable gassing rate
Rate and effect reach optimal, while at utmost reduce flue gas pollutant discharge;When municipal solid waste combustion in reacting furnace
After, close source of the gas;
8) flue gas monitoring and processing:The flue gas caused by disposal that glows enters gas sampling pipeline by discharge flue, passes through
After filter and cooling, into flue gas analyzer;The flue gas analyzer can real time on-line monitoring glow caused by O in flue gas2、CO、
CO2、NOxDeng, for municipal solid wastes glow disposal state, effect regulation and control and fume emission processing important references are provided;It is remaining
Most of flue gas is by smoke discharging pipe, filtering adsorpting device and neutralizes device, is emitted into air;
9) solid residue analysis and processing:Take the connection member of base and reacting furnace apart, collect solid after processing of glowing
Residue, its quality and volume etc. are then measured, calculate volume-diminished ratio and disposal efficiency.
It is of the present invention to have the beneficial effect that:
1) whole processing procedure need to only light a fire in short-term, when municipal solid wastes temperature reaches the firing temperature of setting
Afterwards, igniter is closed automatically, and municipal solid wastes react liberated heat by own combustion and maintain to glow afterwards, until city
City's solid waste is burnt out, and this process no longer needs any external heat source, therefore treatment technology proposed by the present invention and technique
Thermal energy consumption and cost can be greatly reduced;
2) data acquisition device can gather the data such as reaction in furnace temperature, air mass flow and smoke components and be sent to main frame,
According to real time data, analysis judges state of being glowed in stove;Heating-up temperature and ventilation flow rate etc. can be adjusted by main frame, change reaction
The state of glowing of solid waste in stove, greatly improve the disposal efficiency and reduction in bulk rate of municipal solid wastes:City is consolidated
Body waste treatment efficiency>95%, reduction in bulk>85%;
3) waste treatment apparatus of the present invention is simple in construction, and manufacturing cost is relatively low, suitable to produce in enormous quantities;
4) it is proposed by the present invention from maintain glow processing method be municipal solid wastes under certain Supplying gas condition from
I persistently glows processing, and whole processing procedure only needs the manual operation lighted a fire in short-term early stage, is subsequently operated without other, therefore this
The operating procedure of invention is very easy.
Brief description of the drawings
In order that present disclosure is easier to be clearly understood, it is right below according to specific embodiment and with reference to accompanying drawing
The present invention is described in further detail.
Fig. 1 is the whole nation and Cities of Jiangsu Province solid waste treating capacity schematic diagram.
Fig. 2 is main structure diagram of the present invention.
Fig. 3 is the reacting furnace main view cross-sectional view.
Fig. 4 is the air-breather top view cross section structural representation.
Fig. 5 is the overlooking the structure diagram of the ignition controller.
Wherein:1- compressed gas cylinders, 2- reacting furnaces, 21- bases, 22- bodies of heater, 221- shells, 222- heat-insulation layers, 23- supports
Body, 24- air-breathers, 241- ventilation disks, the total vent entrance openings of 242-, 243- wears groove through holes, 244- assisted ventilations hole, 245- lead to
Tracheae, 246- flow controllers, 247- valves, 25- ignition controllers, 26- supporting supports, 3- thermocouples, 4- data acquisitions dress
Put, 5- fume extractors, 51- enclosures, 52- smoke discharging pipes, 6- flue gas analyzers, 7- main frames.
Embodiment
As shown in Figures 2 to 5, municipal solid wastes of the present invention maintain processing platform system of glowing certainly, including
Compressed gas cylinder 1, reacting furnace 2, data acquisition device 4, fume extractor 5, flue gas analyzer 6, main frame 7 and ignition controller 25, institute
State compressed gas cylinder 1 to be connected with the reacting furnace 2 by breather pipe, the top of the reacting furnace 2 is provided with the fume extractor 5;Institute
Stating reacting furnace 2 includes body of heater 22 and base 21, and the body of heater 22 is external diameter 126mm, high 100cm hollow cylinder, and it includes outer
Shell 221 and the heat-insulation layer 222 being located on the madial wall of shell 221, the shell 221 are made up of Thin Stainless Steel skin, the guarantor
The thickness of warm layer 222 is 4mm;The base 21 includes supporter 23, air-breather 24 and supporting support 26, the supporter 23
For the hollow cylinder of upper and lower opening, the external diameter of the supporter 23 is 126mm, thickness 4mm, is highly 200mm;The body of heater
22 bottom can be flexibly connected with the supporter 23 by connection members such as such as flange rings, the ignition controller 25 and described
Air-breather 24 is correspondingly arranged at the upper and lower ends of the supporter 23 respectively, and the underside of the supporter 23 is provided with the branch
Support support 26;The ignition controller 25 uses mosquito-repellent incense type disk heater of the power for 100~450W, and it is embedded in the branch
The top of support body 23 close to the bottom of the body of heater 22, the ignition controller 25 by data wire respectively with the data acquisition
Device and main frame connection.
The air-breather 24 includes ventilation disk 241, the single solid steel rounding that the ventilation disk 241 is diameter 100mm
Disk, it is embedded in the bottom of the supporter 23;The center vertical of the ventilation disk 241 is provided with through the ventilation disk
Total vent entrance openings 242, total vent entrance openings 242 are connected by breather pipe 245 with the compressed gas cylinder 1, the breather pipe 245
On be also sequentially provided with flow controller 246 and valve 247, the flow measuring unit is connected by data wire with main frame 7, be passed through gas by
Compressed gas cylinder 1 supplies, and flow 0-100L/min, is controlled by flow controller;The ventilation disk 242 is horizontal along central shaft
Radial symmetric is provided with the wears groove through hole 243 that 12 length are 50mm, each vertical auxiliary provided with two on the wears groove through hole 243
Passage 244 is helped, enables the outside air-flow being passed through evenly into body of heater;1-2 can be further added by above the ventilation disk
With disc structure identical porose disc of ventilating, further ensure that horizontal profile air-flow velocity is uniform in body of heater.
21 thermocouples 3 equidistantly are provided with successively from top to bottom along the central shaft of the reacting furnace 2,21 thermocouples are
Armoured K-thermocouple, the label of the thermocouple sequentially consist of TC1-TC21, between the adjacent thermocouple of each two
Distance is 3.5cm, and each thermocouple is connected by data wire with data acquisition device respectively, and the data acquisition device leads to
Data wire is crossed to be connected with main frame.
The fume extractor 5 includes enclosure 51, smoke discharging pipe 52 and smoke exhaust fan, and the enclosure 51 is positioned at described anti-
The top of stove 2 about 50cm is answered, the top of the enclosure 51 is provided with the smoke discharging pipe 52, the smoke discharging pipe 52 and the smoke evacuation
Blower fan connects;The flue gas analyzer 6 by gas sampling pipeline and data line respectively with the smoke discharging pipe 52 and the master
Machine 7 is corresponding to be connected.
In the present invention, supporting support is actively installed on the lower section of air-breather, can flexibly dismantle, and it is used for supporting reacting furnace,
The load-bearing of the supporting support is 150KG.The municipal solid wastes maintain the processing platform system progress discarded object that glows certainly
The method of processing, its step are:
1) raw material prepares:The municipal solid wastes that need to be disposed are collected, select representative plastics, fabric, furniture
With research object of the food waste as the application, and collected municipal solid wastes are classified, crushed, sealed storage etc.
Preliminary treatment;Situation is disposed according to actual, by different types of solid waste according to 1:1:1:1 mass ratio mixing is (mixed
Composition and division in a proportion example can be adjusted flexibly according to actual conditions);
2) filler:The clean sandstone that particle diameter is 1~2cm is first inserted in the bottom of reacting furnace, municipal solid wastes are filled out
Enter in reacting furnace, discarded object packed height is 80cm;Should be noted that in filler makes raw material at the uniform velocity, uniformly insert in stove as far as possible, and
Raw material is set to adequately fill up furnace inner space;
3) plateform system prepares and debugged:Connect gas circuit (including compressed gas cylinder, flowmeter and ventilation disk etc.) and electric
Circuit (including ignition controller, main frame, data acquisition device, flue gas analyzer etc.),;Reacting furnace central shaft under upper according to
21 thermocouples of secondary insertion, the thermocouple are sequentially connected fixation by fixed mount and are located in municipal solid wastes raw material, will
Thermocouple is connected by data acquisition line with data acquisition device;
4) airtight test:Wind speed (flow) measuring instrument is arranged above reaction fire door, opens source of the gas, regulation flow control
Device, the air of certain flow is passed through in reacting furnace, examine the air-tightness of gas circuit, gas circuit is closed after test ending;
5) ignition controller is debugged:Gas circuit closing under conditions of, open ignition controller, set different heating power and
Firing temperature condition, the change of observation electric thermo-couple temperature and the time for reaching firing temperature, by debugging repeatedly, final determination is suitable
Heating power and firing temperature, be then shut off ignition controller, and set from the processing control software that maintains to glow in main frame
The parameters such as heating power, time and air flow rate are put, system is recovered state to be launched;
6) heating igniting:Under conditions of gas circuit closing, log-on data acquisition system, ignition controller is opened, to city
Solid waste raw material is heated;Ignition controller power is traditionally arranged to be 100~450W, and the heat time is 30min~2h;
Depending on the actual material composition of specific heating power and basis of time, calorific value and moisture;When the thermocouple nearest apart from heating dish
(TC1) when reaching raw material ignition point (400~700 DEG C), municipal solid wastes are ignited temperature, and system closes a fire control automatically
Device processed;
7) supply regulation and control:Work as TC1After temperature reaches raw material ignition point, system automatically close ignition controller while,
Flow controller is opened, is passed through the air of default air flow rate, being passed through air flow rate needs according to in-furnace temperature, smoke components and combustion
Depending on burning speed, smoldering temperature reduces harmful smoke generation, when municipal solid waste in stove in the range of 400~800 DEG C in stove
After thing is burnt out, source of the gas is closed;
8) flue gas monitoring and processing:The flue gas caused by disposal that glows enters gas sampling pipeline by discharge flue, passes through
After filter and cooling, into the flue gas analyzers of moral figure Testo 350, the flue gas analyzer can real time on-line monitoring glow caused cigarette
O in gas2、CO、CO2、NOxDeng according to flue gas monitoring data, regulation and control gassing rate.Remaining most of flue gas passes through smoke exhaust pipe
Road, filtering adsorpting device and neutralization device, are emitted into air;
9) solid residue analysis and processing:The connection member of base and body of heater is opened, collects the solid after processing of glowing
Residue, measurement solid residue such as height, volume equidimension, weighs the quality of solid residue, calculates volume-diminished ratio
And disposal efficiency, then solid residue in cleaning reaction stove.
Municipal solid wastes described herein are from the contrast of maintain to glow processing method and existing heat treatment technics, such as
Shown in table 1:
The waste pollutant heat treatment technics of table 1 contrasts
As seen from table, compared with existing heat treatment technics method, municipal solid wastes of the present invention remain cloudy certainly
The advantages of firing processing method is:Apparatus structure is simple, and operating procedure is easy, and municipal solid wastes disposal energy consumption is very low, place
It is good to put efficiency high.
The preferred scheme of the present invention is the foregoing is only, is not intended as limitation of the invention further, it is every to utilize this
The various equivalence changes that description of the invention and accompanying drawing content are made are within protection scope of the present invention.
Claims (6)
1. municipal solid wastes maintain processing platform system of glowing certainly, it is characterised in that including compressed gas cylinder, reacting furnace, point
Fiery controller, data acquisition device, fume extractor, flue gas analyzer and main frame, the compressed gas cylinder by breather pipe with it is described
Reacting furnace connects, and the top of the reacting furnace is provided with the fume extractor, if the central shaft of the reacting furnace be sequentially provided with it is xeothermic
Galvanic couple, the thermocouple are connected by data wire with the data acquisition device, and the ignition controller is placed in the reacting furnace
Bottom, it is connected with the data acquisition device and the main frame respectively by data wire, and the flue gas analyzer passes through gas
Sampling conduit is connected with the fume extractor, and the data acquisition device and the flue gas analyzer pass through data wire and institute respectively
State main frame connection.
2. municipal solid wastes according to claim 1 maintain processing platform system of glowing certainly, it is characterised in that described
Reacting furnace includes body of heater and base, and the bottom of furnace body is flexibly connected with the base, and the body of heater is inner hollow and both ends
The cylindrical structural of opening, it includes shell and the heat-insulation layer being located on the housing interior side-wall, and the base includes support branch
Frame, supporter and air-breather, the supporter are the hollow cylinder of upper and lower opening, the ignition control device and the ventilation
Device is correspondingly arranged at the upper and lower ends of the supporter respectively, and the lower section of the supporter is provided with the supporting support.
3. municipal solid wastes according to claim 2 maintain processing platform system of glowing certainly, it is characterised in that described
Air-breather is embedded the ventilation disk in the supporter bottom including at least one level, and the ventilation disc centre is set vertically
There are total vent entrance openings through the ventilation disk, the ventilation disk is arranged with 12 wears grooves along central shaft horizontal radial
Through hole, each vertical on the wears groove through hole to be provided with two assisted ventilation holes, total vent entrance openings pass through the breather pipe
It is connected with the compressed gas cylinder.
4. municipal solid wastes according to claim 3 maintain processing platform system of glowing certainly, it is characterised in that described
Flow measuring unit and valve are also sequentially provided with breather pipe.
5. municipal solid wastes according to claim 1 maintain processing platform system of glowing certainly, it is characterised in that described
Fume extractor includes enclosure, smoke discharging pipe and smoke exhaust fan, and the smoke discharging pipe, the smoke evacuation are provided with above the enclosure
Pipeline is connected with the smoke exhaust fan.
6. maintain the processing platform system progress discarded object that glows certainly using any one of the claim 1-5 municipal solid wastes
The method of processing, its step are:
1)Raw material prepares:The municipal solid wastes that need to be disposed are collected, and are dried, crush and screen preliminary treatment;
2)Filler:Sandstone first is inserted in the supporter of base, the air-flow for making to be passed through in reacting furnace is steady, uniform, will be ready to
Municipal solid wastes insert in reacting furnace, should be noted compacting raw material during filler, and it is uniformly filled in reacting furnace;
3)Connection:Gas circuit and electric wiring are connected, thermocouple is equidistantly sequentially inserted into reacting furnace, is kept it in anti-
Answer on the central shaft of stove;
4)Airtight test:Compacting gas cylinder is opened, flow controller is adjusted, air is passed through in reacting furnace, above reacting furnace
Air flow rate is measured, the air-tightness of gas circuit is examined, gas circuit is closed after test ending;
5)Ignition controller is debugged:Under conditions of gas circuit closing, igniter is opened, different heating power and firing temperature are set
It is condition, the change of observation electric thermo-couple temperature and the time for reaching firing temperature, final to determine suitable heating work(by debugging repeatedly
Rate and firing temperature, and corresponding firing temperature and ventilation flow rate are set in main frame;
6)Heating igniting:Under conditions of gas circuit closing, ignition control device is opened, the heating power pair set using back
Municipal solid wastes are heated, after the municipal solid wastes temperature in reacting furnace reaches default firing temperature, control
Software systems processed will turn off ignition controller;
7)Supply regulation and control:After ignition controller is closed, system will automatically turn on flow controller and be passed through air, observe central shaft
The change of upper electric thermo-couple temperature, the electric thermo-couple temperature above ignition controller all persistently rise, and continuous when there is stable peak,
Show municipal solid wastes can self―sustaining sustained combustion until solid waste after-flame, when solid waste in reacting furnace
After all burnt, source of the gas is closed;
8)Flue gas monitoring and processing:Flue gas analyzer is monitored to flue gas, and the flue gas caused by disposal that glows passes through fume extractor
Discharge;
9)Solid residue is analyzed and processing:The base is separated with the body of heater, collects solid residue after processing of glowing,
Then its quality and volume are measured, calculates volume-diminished ratio and disposal efficiency.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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CN112097261A (en) * | 2019-06-17 | 2020-12-18 | 香港理工大学深圳研究院 | Organic solid waste smoldering treatment and flue gas purification device |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2135393Y (en) * | 1992-08-25 | 1993-06-09 | 刘居华 | Ball shell ventilation insufating layer for packed tower |
US20090180836A1 (en) * | 2005-12-10 | 2009-07-16 | The University Court Of The University Of Edinburgh | Method and Apparatus for Remediating Contaminated Land |
US20130310624A1 (en) * | 2011-05-10 | 2013-11-21 | Chevron U.S.A. Inc | Thermal treatment of a contaminated volume of material |
CN206247736U (en) * | 2016-10-11 | 2017-06-13 | 苏州工业园区清源华衍水务有限公司 | A kind of cooling control device |
CN207555608U (en) * | 2017-11-21 | 2018-06-29 | 南京工业大学 | Municipal solid wastes maintain processing unit of glowing certainly |
-
2017
- 2017-11-21 CN CN201711166586.9A patent/CN107842855A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2135393Y (en) * | 1992-08-25 | 1993-06-09 | 刘居华 | Ball shell ventilation insufating layer for packed tower |
US20090180836A1 (en) * | 2005-12-10 | 2009-07-16 | The University Court Of The University Of Edinburgh | Method and Apparatus for Remediating Contaminated Land |
US20130310624A1 (en) * | 2011-05-10 | 2013-11-21 | Chevron U.S.A. Inc | Thermal treatment of a contaminated volume of material |
WO2014074295A1 (en) * | 2012-11-09 | 2014-05-15 | Chevron U.S.A. Inc. | Thermal treatment of a volume of porous contaminated material |
CN206247736U (en) * | 2016-10-11 | 2017-06-13 | 苏州工业园区清源华衍水务有限公司 | A kind of cooling control device |
CN207555608U (en) * | 2017-11-21 | 2018-06-29 | 南京工业大学 | Municipal solid wastes maintain processing unit of glowing certainly |
Non-Patent Citations (2)
Title |
---|
TAREK L. RASHWAN, JASON I. GERHARD, GAVIN P. GRANT: "Application of self-sustaining smouldering combustion for the destruction of wastewater biosolids", WASTE MANAGEMENT, no. 50, pages 201 - 212, XP029474057, DOI: 10.1016/j.wasman.2016.01.037 * |
路长主编: "《纺织材料检测实训教程》", 吉林人民出版社, pages: 174 - 70 * |
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CN110652784A (en) * | 2019-11-04 | 2020-01-07 | 河北省农林科学院农业资源环境研究所 | Biochar preparation system |
CN110652784B (en) * | 2019-11-04 | 2024-03-22 | 河北省农林科学院农业资源环境研究所 | Biochar preparation system |
CN111425868A (en) * | 2020-04-16 | 2020-07-17 | 华中科技大学 | Sludge self-maintaining smoldering and high-temperature aerobic fermentation composite treatment process and equipment |
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CN111982326A (en) * | 2020-08-24 | 2020-11-24 | 北华大学 | Underground fire temperature acquisition system |
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