CN106247345A - Danger waste incineration system and technique - Google Patents
Danger waste incineration system and technique Download PDFInfo
- Publication number
- CN106247345A CN106247345A CN201610621423.4A CN201610621423A CN106247345A CN 106247345 A CN106247345 A CN 106247345A CN 201610621423 A CN201610621423 A CN 201610621423A CN 106247345 A CN106247345 A CN 106247345A
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- danger
- slag
- feed system
- combustion chamber
- incinerator
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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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—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
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/446—Waste feed arrangements for liquid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/02—Apparatus for removing ash, clinker, or slag from ash-pits, e.g. by employing trucks or conveyors, by employing suction devices
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- 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
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/04—Arrangements of recuperators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/20—Rotary drum furnace
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/10—Liquid waste
- F23G2209/101—Waste liquor
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
- F23J2700/001—Ash removal, handling and treatment means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a kind of danger waste incineration system and technique, this CIU includes feed system, incinerator and exhaust treatment system, wherein feed system includes bulk material feed system, sacked material feed system and liquid object feed system, respectively to incinerator conveying bulk material, sacked material and liquid danger refuse in the way of continuous, airtight.Use danger waste incineration system and the technique of the present invention, by all kinds of danger refuses being carried out calorific value and chemistry compatibility, accurately control the technological parameter in incinerator, it is ensured that CIU is safe and stable and Effec-tive Function, making danger incineration of waste thorough, tail gas and slag efficient pollution-free process.
Description
Technical field
This patent disclosure relates generally to incineration of waste process field of endangering, systems a kind of danger waste incineration system and
Technique.
Background technology
Danger wastes (danger refuse) refer to have corrosivity, toxicity, inflammability, reactive or infectious etc. a kind of or
The garbage of several hazard property of person.Along with industrial expansion, the danger refuse of industrial processes discharge is increasing, how to enter
Row processes environmentally safe significant safely and efficiently.
In existing danger incineration of waste processing system, generally the danger refuse of various forms is mixed and be temporarily stored into melt pit
In, claw bucket sling pick up refuse and enter kiln.This enter kiln mode cause kiln hood to leak out in a large number, in causing kiln, oxygen content is uncontrollable,
In kiln, Incineration circumstances is disorderly, and dual firing chamber's afterburning frequently waits series of problems.And owing to the physical property of difference danger refuse is different, it is mixed in one
Rise and be susceptible to danger, domestic a lot of interior hole blast, deflagration event have occurred.Additionally, " ground pit type " pan feeding mode is the most easily produced
Raw Leachate site polluted underground water and soil, waste gas externally discharges the problem of environmental pollutions such as the atmospheric pollution that causes naturally.
Additionally, existing danger waste treatment system there is also many deficiencies, such as slag in slag and vent gas treatment
Commonly used water-cooled pattern, the steam in cooling procedure enters dual firing chamber can reduce the ignition temperature of dual firing chamber, affects flue gas
After-flame quality, the commonly used mode of drying of slag after water-cooled, in slag, the sewage major part containing high pollution composition is oozed in ground
Under, enter secondary pollution.
Summary of the invention
The invention aims to overcome certain or some problem in above-mentioned background technology, it is provided that a kind of danger refuse burns
Burning system and technique.
According to the first aspect of the invention, it is provided that a kind of danger waste incineration system, including feed system, incinerator and tail
Gas processing system, wherein feed system includes bulk material feed system, sacked material feed system and liquid object feed system, respectively
To incinerator conveying bulk material, sacked material and liquid danger refuse in the way of continuous, airtight.
In one particular embodiment of the present invention, wherein bulk material feed system includes:
Feeding bin, has closing housing, and housing is provided with material inlet and material outlet, and housing bottom is provided with spiral hinge
Cutter；
First weigher, is used for weighing feeding bin；
Second weigher, is arranged on below feeding bin, is used for weighing discharging；And
Rotary feeder, import is connected with the second weigher, and outlet is connected with incinerator.
In another specific embodiment of the present invention, wherein sacked material feed system include suspended chain, hopper and
Double-deck push-pull valve, sacked material is delivered to hopper, then is delivered to incinerator by double-deck push-pull valve by suspended chain.
In another preferred embodiment of the invention, wherein liquid object feed system includes multichannel nozzle, is respectively intended to
Conveying high heating value, middle calorific value and low heat value liquid.
In one particular embodiment of the present invention, incinerator includes rotary kiln and secondary combustion chamber, the kiln of rotary kiln
Tail is connected with the lower seal of secondary combustion chamber.
In a preferred embodiment of the invention, rotary kiln and secondary combustion chamber are respectively arranged with temperature monitor and
Oxygen content monitor.
In another preferred embodiment of the invention, wherein it is provided with air cooling slag hoist bottom secondary combustion chamber, this wind
Cold mucking machine is provided with slag inlet, slag notch and air inlet.Wherein, the hot slag warp produced after incinerator burns danger wastes
Slag inlet enters air cooling slag hoist, and the cold wind blasted from air inlet enters carry out heat exchange in air cooling slag hoist with hot slag after
Secondary combustion chamber carries out high temperature oxygenating, and cold wind disturbance to secondary firing room temperature is greatly lowered, and the slag after cooling is through going out
Cinder notch discharges.Slag after air-cooled can be fed directly to slag storehouse, it is to avoid in water-cooled slag, the secondary pollution of waste water is asked
Topic.
In the case of more specifically, air cooling slag hoist includes shell body and is positioned at the comb type cooling bed of shell body, shell body upper
Portion arranges slag inlet, and comb type cooling bed includes:
Grate plate, grate plate front end is positioned at below slag inlet, and grate plate end is adjacent with slag notch；Multiple row motion it is provided with in grate plate
Beam, each column motion beam is arranged at intervals with multiple stick pusher；The length direction of stick pusher is perpendicular to slag conveying direction；In grate plate
Being evenly distributed with array air vent, the aperture of air vent is arranged to make cold wind pass through from the bottom up but slag will not down leak
Go out；
Motion beam drive mechanism, is arranged on below grate plate, is used for driving motion beam the most back and forth to transport along slag conveying direction
Dynamic, promote slag slowly to wriggle to slag notch by stick pusher；
Air inlet pipeline, is arranged on below grate plate, uniformly blows to after the cold wind of the air inlet entrance of air inlet pipeline is allocated
The array air vent of grate plate.
In another specific embodiment of the present invention, wherein exhaust treatment system includes waste heat boiler, chilling tower, activity
Charcoal dusting device, sack cleaner, active carbon adsorption column, washing deentrainment tower, flue gas heater, exhaust blower and chimney.Preferably
In the case of, between secondary combustion chamber and waste heat boiler, wherein it is additionally provided with SNCR denitration device.
According to the second aspect of the invention, it is provided that a kind of danger incineration of waste technique, comprise the steps:
(1) providing danger waste incineration system, this system includes feed system, incinerator and exhaust treatment system, wherein
Feed system includes bulk material feed system, sacked material feed system and liquid object feed system, and incinerator includes rotary kiln
And secondary combustion chamber, the kiln tail of rotary kiln is connected with the lower seal of secondary combustion chamber；
(2) bulk material, sacked material and liquid object are fed by bulk material respectively as after predetermined calorific value and chemistry compatibility
System, sacked material feed system and liquid object feed system are sent in rotary kiln in the way of continuous, airtight；
(3) the fixed carbon part of danger refuse carries out burning disposal in rotary kiln, and the volatility produced in pyrolytic process can
Combustion gas body and fine carbon granule enter secondary combustion chamber's high temperature after-flame.
(4) the hot slag that rotary kiln and secondary combustion chamber produce enters air cooling slag hoist, from air cooling slag hoist air inlet drum
The cold wind entered enters secondary combustion chamber after carrying out heat exchange with hot slag in air cooling slag hoist and carries out high temperature oxygenating, after cooling
Slag is fed directly to slag storehouse.
Under preferable case, wherein the incineration temperature of rotary kiln control 700 DEG C-850 DEG C, residue Control for Oxygen Content be less than
2%.
Under preferable case, wherein the incineration temperature of secondary combustion chamber controls at 1100-1200 DEG C, and gas residence time is more than
3.5 seconds, residue Control for Oxygen Content was less than 8%.
Under preferable case, keep rotary kiln axial line become 1.5 degree of angles with horizontal line, the range of speeds be 0.2r/min extremely
2.0r/min。
Use danger waste incineration system and the technique of the present invention, by all kinds of danger refuses being carried out calorific value and chemistry compatibility,
Accurately control the technological parameter in incinerator, it is ensured that CIU is safe and stable and Effec-tive Function, makes danger incineration of waste thorough
The end, tail gas and slag efficient pollution-free process.
Accompanying drawing explanation
Fig. 1 is the feed system schematic diagram of the danger waste incineration system according to the present invention；
Fig. 2 is the incinerator schematic diagram of the danger waste incineration system according to the present invention；
Fig. 3 is the schematic perspective view of air cooling slag hoist in incinerator；
Fig. 4 is the comb type cooling bed schematic perspective view in the air cooling slag hoist shown in Fig. 3；
Fig. 5 is the section view schematic front view of the air cooling slag hoist shown in Fig. 3；And
Fig. 6 is the exhaust treatment system schematic diagram of the danger waste incineration system according to the present invention.
Detailed description of the invention
Describe danger waste incineration system and the technique of the present invention below in conjunction with the accompanying drawings in detail.Those skilled in the art should manage
Solving, the embodiments described below is only the exemplary illustration to the present invention, makes any restriction not for it.
See Fig. 1-Fig. 6, mainly include feed system, incinerator 100 and according to the danger waste incineration system of the present invention
Exhaust treatment system 500.Each system and the structure of device and work process are described in detail below.
The compatibility of the most all kinds of materials and safe transport, in the present invention, be first divided in advance by pending danger refuse
Bulk material, sacked material and liquid object three major types, calorific value and the chemical characteristic of same class material are close.Wherein, bulk material is mainly
Refer to the particle diameter bulk less than 50 50 80mm or granular solids.Sacked material is used for loading seal-packed extraordinary dangerous waste
Thing, the feature of this kind of material is that chemical property is the most active, easily reacts with other material, and have strong oxidizing property,
Hypertoxicity or explosive, such as trivalent cobalt salt, peroxide, cyanide, perhalide etc., these material demands are isolated
Process, to avoid blast or with other material generation vigorous reaction.Sacked material packs after may also mean that paste allotment
Or be difficult to (or should not) and pulverize and the solid material that mixes directly packs.Liquid object is primarily referred to as waste liquid or waste oil.Base of the present invention
Morphological character in above-mentioned three major types material separately designs corresponding feed system and carries to incinerator that to wait to burn danger useless
Thing, thus effectively prevent the generation of deflagration event in existing " ground pit type " pan feeding mode.
See Fig. 1, mainly include bulk material feed system, packed according to the danger incineration of waste of present invention feed system of classifying
Material feed system and liquid object feed system, carries bulk material, packed to incinerator 100 respectively in the way of continuous, airtight
Material and liquid danger refuse.
Bulk material feed system mainly includes under feeding bin the 201, first weigher the 203, second weigher 205 and revolution
Glassware 206.Feeding bin 201 has closing housing, and housing is provided with material inlet 211 and material outlet 212.Feeding bin 1 housing
In can be provided with stock distributor 213, for dispersed material.Feeding bin 201 housing bottom is provided with spiral reamer
204.Can arrange elevator (conveyer) 202 in the front end of feeding bin 201, bulk material 220 can be risen to by elevator 202
The top of feeding bin 201, and enter feeding bin 201 from material inlet 211.
Owing to bulk material is by (dependence gravity) during the conveying of storehouse formula, knot storehouse (flow stagnation) phenomenon easily occurs in storehouse,
The consequence that once knot storehouse causes is very serious, often accommodates the material from several to tens tons, often can only disassemble feed bin in storehouse
Material could be derived.The present invention is in order to prevent and dissolve the generation of this phenomenon in advance, and spy is provided with the first weigher 203 and
Two weighers 205 are prejudged.First weigher 203 is used for that feeding bin 201 is carried out entirety and weighs, the second weigher
205 are used for weighing the material sent from the material outlet 212 of feeding bin 201.First weigher 203 preferably employs loading
Sensor, is arranged on the outside of feeding bin 201.Second weigher 205 preferably employs volume measurement scale, thus can carry continuously
Material, again can metering material volume, with metering volume of material be multiplied by material proportion can draw conveying material weight.
When feed system runs, (gravimetric value is m to the bulk material to be burned 220 being pre-metered0) enter from material inlet 211
Enter feeding bin 201, after stock distributor 213 disperses, be delivered to the second weigher 205, by second by spiral reamer 204
Weigher 205 carries to incinerator 100 through rotary feeder 206 after weighing.A timing is measured by the second weigher 205
The interior weight of material to incinerator 100 conveying is m2, the clean thing in feeding bin 201 is measured by the first weigher 203
Material weight is m1.In continuous flow procedure, work as m0-m2When value stabilization is in predetermined range of normal value, show in feeding bin 201
Flow of Goods and Materials is normal；And work as m1Value becomes larger, m0-m2When value exceedes predetermined normal value, then imply that material in feeding bin 201
Flowing starts to slow down, and continues development and goes down it is possible to occur to tie storehouse phenomenon.Operator, can by the monitoring to above-mentioned gravimetric value
Give warning in advance, and take solving measure in advance.Bottom feeding bin 201, in feeding bin 201, height is squeezed into for example with air bubble
Pressure air vibrates, so that knot storehouse phenomenon was just dissolved in the budding stage, thus ensures to produce continuously, is greatly improved production
Efficiency.
Rotary feeder 206 is used to carry bulk material to incinerator 100, both in the bulk material feed system of the present invention
Material can be carried continuously, can effectively block again the high hot-air upwards anti-channeling of burning in incinerator 100.According to the present invention's
Bulk material feed system, connection pipeline between elevator 202, elevator 202 and feeding bin 201 and feeding bin 201 with
Transfer pipeline between incinerator 100 all uses closed.Bulk material 220 enters all in closing space in course of conveying
OK, thus the harmful gas volatilized in refuse that prevents from endangering outwardly is discharged.In order to prevent in elevator 202 and feeding bin 201
Deflagration accident having occurs, and elevator 202 all connects with extractor fan 209 with the inner space of feeding bin 201, and extractor fan 209 can
It is connected with the entrance with incinerator 100, thus the flammable explosive gas of extraction is passed directly into incinerator 100 and fires
Burn.Can arrange dust-precipitator 208 before extractor fan 209, the dust that dust-precipitator 208 is collected is delivered to carry by lock wind blanking device 219
Rise in machine 202 and carry to incinerator 100 again.It addition, be also provided with explosion-proof valve 214 at the top of feeding bin 201, enter one
Step guarantees safety.
Sacked material feed system mainly includes suspended chain 251, hopper 252 and upper push-pull valve 253 and lower plugboard valve
254.Before charging starts, upper and lower push-pull valve 253 and 254 is all in closed mode, when sacked material 250 falls into from suspended chain 251
Time in hopper 252, upper push-pull valve 253 is opened and is made sacked material 250 fall on lower plugboard valve 254, then goes up push-pull valve 253 and closes,
Opening lower plugboard valve 254, sacked material 250 automatically falls into incinerator 100 and burns.By upper and lower two push-pull valves repeatedly
Cooperation can completely cut off the high hot-air upwards anti-channeling of burning in incinerator 100.Sacked material 250 is weighed in advance and is hung by control
The transporting velocity of chain 251 controls the charging rate of sacked material 250.
In one particular embodiment of the present invention, bulk material 220 and the bag-shaped material of bulk material feed system conveying feeds
The sacked material 250 of system conveying enters incinerator 100 by Y type blanking scraper-trough conveyer respectively, thus prevents the spy in sacked material 50
Plant danger refuse and balk cargo comes in contact before entering kiln and causes blast.
Liquid object is first divided into high heating value, middle calorific value and low heat value three kinds by liquid object feed system 300 in advance, uses multichannel spray
Mouth is respectively intended to carry high heating value, middle calorific value and low heat value liquid to incinerator 100.It is thus possible to according to incinerator 100
Technique need to select to supply the liquid of different calorific value.Liquid object feed system 300 mainly uses atomizing lance to burning dress
Put 100 injection liquid danger refuses.The inlet amount having effusion meter to carry out measuring liquid danger refuse can be connected before atomizing lance.
Seeing Fig. 2, incinerator 100 is made up of rotary kiln 110, secondary combustion chamber 120 and slag-tapping system.Rotary kiln
110 kiln hoods are connected with feed system and (include solids feed system 200 and liquid object feed system 300, wherein solids charging
System 200 can be divided into again bulk material feed system mentioned above and sacked material feed system), kiln tail is and secondary combustion chamber
The lower seal of 120 connects, and the top of secondary combustion chamber 120 is connected with exhaust treatment system 500 by pipeline, secondary combustion chamber
The bottom of 120 is connected with slag-tapping system.Wherein, rotary kiln 110 and secondary combustion chamber 120 are connected with natural gas station 400 the most respectively,
Igniting is carried out with combustion-supporting to rotary kiln 110 and secondary combustion chamber 120 respectively by auxiliary burner 401 and 402.Rotary kiln 110
Be respectively arranged with temperature monitor and oxygen content monitor in secondary combustion chamber 120.
Rotary kiln 110 is that a horizontal circular has the rotatable stove of lining of fire brick, inner lining refractory block (50mm insulating brick
+ 250mm mullite brick), kiln external temperature is maintained at more than 175 DEG C, in case antacid gas pickling.On kiln body
Having two belt wheels and a bull gear, drive mechanism is by the bull gear on little gear driven body, then by canine tooth astragal
Dynamic rotary kiln body rotates.The transmission downward for ensureing material, rotary kiln 110 must keep certain gradient, in the present invention
The axial line of rotary kiln 110 becomes 1.5 degree of angles with horizontal line.The rotation yardstick of kiln is preferably 0.2 to 2.0 turn per minute.In kiln
Volume heat load is 20～44kg/ (m3·h)。
Secondary combustion chamber 120 top is cylindrical structure, and liner material is that high alumina turns+light weight fireclay brick+calcium silicate board, outward
Steel plated.Secondary combustion chamber 120 bottom has taper reducing, is provided with air cooling slag hoist 121 bottom taper reducing.Air-cooled slag tap
Machine 121 is connected with outside secondary blower 122.The volume heat load of secondary combustion chamber 120 is 15～40kJ/m3.h。
During burning, by the different bulk material 220 of calorific value, sacked material 250 and liquid object by difference after predetermined calorific value compatibility
Send in rotary kiln 110, in kiln, blast air by being arranged on the primary blower 111 of kiln hood, and pass through auxiliary combustion
Device 401 is lighted a fire.Refuse under rotary kiln 110 rotates continuously, material do not stops to stir in kiln, heat, be dried, decompose gentle
Change.The ignition temperature of rotary kiln 110 controls at 700～850 DEG C, and residue Control for Oxygen Content is less than 2%, and material is at rotary kiln
The time of staying in 110 is about 20-45min.Under these process conditions, material is incinerated into high-temperature flue gas and slag.Burning
The flue gas produced enters secondary combustion chamber 120 from kiln tail, is here burned further.By secondary blower 122 to two
Blast secondary wind in level combustor 120, and carry out combustion-supporting by auxiliary burner 402.By being positioned at secondary combustion chamber 120 flue gas
Thermocouple and oxygen content detector on exhaust pass detect oxygen content in furnace temperature and aerofluxus, and then control auxiliary burner
402 and the uninterrupted of secondary blower 122, make secondary combustion chamber 120 temperature stabilization in setting value, burn so that danger is useless
Burning is constantly in optimum state.In a preferred embodiment of the invention, the ignition temperature in secondary combustion chamber 120 controls 1100
～1200 DEG C, residue Control for Oxygen Content is less than 8%.Flue gas in time of staying of secondary combustion chamber 120 more than 3.5 seconds.?
Under the conditions of this, it is ensured that the danger refuse entering incinerator burns completely the most thoroughly, and two English in flue gas and other
The 99.99% of oxious component is decomposed.
Slag-tapping system mainly includes air cooling slag hoist 121.Seeing Fig. 3-5, air cooling slag hoist 2 is provided with slag inlet 131, slags tap
Mouth 134 and air inlet 133.Wherein, slag inlet 131 connects with the bottom of secondary combustion chamber 120.Rotary kiln 110 and secondary firing
The hot slag that room 120 produces enters air cooling slag hoist 121 through slag inlet 131, and the cold wind blasted from air inlet 133 is slagged tap air-cooled
Entering secondary combustion chamber 120 after carrying out heat exchange with hot slag in machine 121 and carry out high temperature oxygenating, the slag after cooling is through slag notch
134 discharge.
Seeing Fig. 3-5, in one embodiment, air cooling slag hoist 121 includes shell body 130 and is positioned at shell body 130
Interior comb type cooling bed 132.The top of shell body 130 is provided with slag inlet 131, and slag inlet 131 connects with the burner hearth of secondary combustion chamber 120
Logical, it is used for receiving slag.Comb type cooling bed 132 includes that grate plate 140, grate plate 140 front end are positioned at below slag inlet 131, grate plate 140 end
Adjacent with slag notch 134.Be evenly distributed with array air vent in grate plate 140, the aperture of air vent be arranged to make cold wind under
Up by but slag will not down spill.It is provided with multiple row motion beam 150 in grate plate 140, each column motion beam 150 is spaced and sets
It is equipped with multiple stick pusher 151.The length direction of stick pusher 151 is perpendicular to slag conveying direction A.
It is provided with motion beam drive mechanism 160 below each column motion beam 150, is used for driving motion beam 150 to carry along slag
Direction A moves back and forth, such as, can be driven motion beam 150 to use air cylinder driven mode.By motion beam 150
Reciprocating motion can effectively prevent the bonding of high-temperature fusion slag；Promote slag to slag notch 134 by stick pusher 151 simultaneously
Slowly wriggle.Stick pusher 151 is divided into inclined plane 152 and vertical plane 153 along slag conveying direction A such that it is able to guide swimmingly
Slag carries to slag notch 134.
Being provided with air inlet pipeline below grate plate 140, air inlet pipeline is divided into air intake house steward 180 and air intake arm 181, shows in figure
In the embodiment gone out, air intake house steward 180 be arranged in parallel with the length direction of grate plate 140, the most uniformly draws from air intake house steward 180
Going out multiple row air intake arm 181, the air inlet 133 of air inlet pipeline is connected with secondary blower 122.Secondary blower 122 drum
The cold wind entered uniformly is blowed to the array air vent of grate plate 140 through air inlet pipeline.
In a preferred embodiment of the invention, grate plate 140 end is provided with ramp type and slags tap baffle plate 170, by gear of slagging tap
The height of plate 170 regulates the thickness of slag layer in grate plate 140, so that the thickness of slag layer in grate plate 140 maintains certain thickness,
Grate plate 140 can be played a protective role by the slag that lower floor is cooled.
Danger refuse is different from conventional house refuse.In conventional house refuse, silico-calcium constituent content is big, the stove produced after burning
Slag exists in solid form；Solid-state slag uses water-cooled or air-cooled pattern is all easily achieved.And silico-calcium contains in refuse of endangering
Measuring low, magnesium, aluminum, fluorine element content are high, and therefore after high temperature incineration, slag is molten state；Owing to the slag of molten state is prone to cementing machine
Device, the air-cooled forbidden zone being always considered as by the technical staff of danger incineration of waste process field being difficult to, the water of routine can only be used
Chill formula.And the present invention is designed and motion mode by the structure of above-mentioned air cooling slag hoist 121, it is possible to effectively overcome high-temperature fusion
The bonding of slag, so that the danger air-cooled pattern of incineration of waste slag is achieved.
Yet another advantage of the present invention is that: the slag bottom secondary combustion chamber 120 is directly and secondary wind carries out heat exchange.This
Planting air-cooled pattern can make secondary wind be preheated, and improves the efficiency of combustion of secondary combustion chamber 120；It addition, the slag after air-cooled
Can directly pass through (closed) conveyer 123 to be delivered to slag storehouse 124 and store.Bottom, slag storehouse 124 is provided with valve of slagging tap
126, valve 126 of slagging tap can be connected with automobile loading spout 127, by automobile loading spout 127 can under completely enclosed state to
The freight house conveying slag of automobile 128.This slag treatment mode overcomes slag in existing water-cooled pattern needs the problem of dry in the sun,
Fully save the energy and water resource, and environment has not been caused any pollution.
Seeing Fig. 6, exhaust treatment system 500 mainly includes waste heat boiler 510, chilling tower 520, activated carbon dusting device
530, sack cleaner 540, active carbon adsorption column 550, washing deentrainment tower 560, flue gas heater 570, tail exhaust blower 580 and
Chimney 590.
Waste heat boiler 510 burner hearth is divided into four backhauls by three row's suspension type fin panel casings flue gas, and waste heat boiler uses
Radiation heat transfer mode, radiation heat transfer is that the water in pipeline is heated into steam, pipeline heat exchange by the way of radiation heat transfer by flue gas
Pipe is finned membrane wall passage.Radiation heat transfer, owing to being arrangement of cavities, is difficult to dust stratification, and deashing is more convenient.The present invention
Use the heat exchange mode of full film type wall, be equipped with deashing device simultaneously, it is to avoid the phenomenon of coking occurs.
SNCR (selective non-catalytic method) can be set on the pipeline between waste heat boiler 510 and secondary combustion chamber 120
Denitrification apparatus 129, in high temperature environments, flue gas is sufficiently mixed with the atomization urea liquid sprayed into, and in flue gas, NOx component is O2's
In the presence of with carbamide generation reduction reaction, meanwhile urea liquid moisture is all vaporized by flue gas and takes away.Control ammonia nitrogen
Ratio, the reduction efficiency of NOx is 50%.
Arranging expansion chamber in the bottom of waste heat boiler, flue gas will settle dust and enter sedimentation when flowing from bottom to top
Room, the flying dust that expansion chamber is collected is transported to flying dust storehouse 513 through double-deck push-pull valve 511 and conveyer 512.Boiler design exiting flue gas
Temperature is 550 DEG C, it is possible to avoid two English and the temperature province of furan regeneration.
Bootstrap system utilizes the waste heat for generating steam in flue gas.Steam is in addition to personal, after remaining reduces pressure as required
For production and application.Additionally, the steam that bootstrap system produces is by access industrial garden steam pipe system, for garden enterprise.
High-temperature flue gas temperature after waste heat boiler 510 is down to 550 DEG C, through flue from top entrance chilling tower 520, chilling
Arranging pressure type shower nozzle 522 on tower 520, shower nozzle 522 is connected with the alkali liquor pond 521 equipped with sodium hydroxide.Under the effect of high pressure,
Sodium hydroxide solution within shower nozzle 522 is the effect of moment blood pressure lowering when spiral diffusion and ejection, and solution is atomized into 0.08mm
The drop of left and right, the drop after being atomized and the abundant heat exchange of high-temperature flue gas, evaporate the most rapidly, take away heat so that
Flue-gas temperature is reduced to less than 200 DEG C in moment (0.8s), and moisture content (mass ratio) is less than 3%.While moisture evaporates,
Sodium hydroxide and acid gas in flue gas occur to neutralize reaction.Owing to flue gas time of staying between 200-500 DEG C is less than 1s, because of
This prevents the resynthesis of two English.
Native system uses sodium hydroxide solution, and the deacidification effect of smoke processing system is more guaranteed.Chilling alkali liquor
Injection flow rate is automatically adjusted according to flue gas exit temperature, and when this temperature is higher than design temperature, the chilling alkali liquor amount of nozzle ejection increases
Add, otherwise, then reduce chilling alkali liquor amount.The a series of pre-places such as broken, quenched are passed through owing to entering the material of incinerator 100
Reason, so the composition of incineration flue gas middle acid substance will not occur acute variation, therefore sodium hydroxide in chilling extracting tower 520
The addition of solution can maintain some, it is ensured that higher clearance.
In order to meet incineration of waste standard limit of smog release, it is ensured that heavy metal (especially Hg) two English (PCDDs), furan
(PCDFs) discharge standard, in addition to strict control burning process and technical parameter, the present invention uses activated carbon dusting device 530
Spray powdered carbon to the Venturi tube 533 being arranged in flue gas pipeline, utilize two English and a huge sum of money in active carbon powder absorption flue gas
The noxious substances such as genus reach the purpose of flue gas high-efficient purification.Owing to activated carbon has a great specific surface area, therefore, even
A small amount of activated carbon, as long as mixing homogeneously with flue gas and long enough time of contact, it is possible to reach high adsorption cleaning efficiency.Activity
Charcoal is inner strong turbulent flow realization, activity with the Venturi tube 533 being uniformly combined by being arranged on flue of flue gas
Charcoal is sprayed in flue gas uniformly, and mix homogeneously has reached good adsorption effect.Activated carbon is the most equal with flue gas in the duct
After even mixing, reach efficient absorption effect, but absorption in pipeline the most saturated, enter follow-up the most again together with flue gas
Sack cleaner 540 in, rest on filter bag, be fully contacted with the flue gas slow transitting through filter bag, reach in flue gas a huge sum of money
Belonging to the adsorption cleaning of the pollutant such as Hg and PCDD/Fs, Adsorption of Heavy Metals, the activated carbon of two English fall into sack cleaner 540
Ash bucket.
Activated carbon is then sent directly into flue through self-measuring device, enters follow-up cloth bag and remove after being sufficiently mixed with flue gas
Dirt device 540.Using the activated carbon of 200 mesh in the present invention, to ensure specific surface area and absorbability, activated carbon is added to make continuously
Industry, is controlled activated carbon addition by frequency conversion batcher.Activated carbon quantity delivered is with incinerator 100 load adjustment with according to regularly
Heavy metal and two English Monitoring Data give to adjust signal.
Flue gas is by the outer filter bag through sack cleaner 540, and the dust in flue gas is trapped within filter bag outer surface, thus
It is purified, then in removing dust device, Venturi tube enters upper box, discharge from outlet.Attached collection constantly increases at the dust of filter bag outer surface
Add, make dust remover resistance increase, for making equipment resistance maintain in the range of restriction, it is necessary to periodically eliminate and be attached to filter bag surface
Dust: controlled periodically to trigger each control valve in order by PLC and open, make gas bag compressed air be sprayed by injection tube eyelet is logical
Crossing Venturi tube, inducing peripheral air enters filter bag, makes filter bag the most drastically expand, and along with the back action of air-flow,
Shake off dust.The dust shaken off falls into ash bucket, discharges through spiral ash hoist 541.Cloth bag uses high temperature resistant type PTFE overlay film, has
Prevent dew condensation phenomenon from producing to effect, the service life of filter cloth can be extended simultaneously.
For guaranteeing that in tail gas, two English class materials meet following new standard 0.1TEQng/m3Requirement, the present invention is at cloth bag
Also set up activated-charcoal column 550 on the flue gas flow path of cleaner unit 540, the dioxin substance of eliminating minute can be gone further.
Washing deentrainment tower 560 is to the further removal of pollutant in flue gas, by the effect neutralizing reaction, scrub, and will
Sour gas, dust are strict controlled in design limit, it is ensured that smoke processing system reaches the requirement of highest standard.
Flue gas enters washing deentrainment tower 560, to sour gas wet treatment, can improve treatment effect, and reduce process
Cost；In order to ensure the clean result of scrubbing tower alkali liquor, the pH value of alkali liquor is realized detection automatically and controls.Control system according to
The change of pH value is automatically adjusted chemical feeding quantity, makes clean result optimal, to overcome anthropic factor to affect clean result.
The washing built-in filler of deentrainment tower 560, flue gas is that divergent shape entrance is positioned at the wash tower bottoms above circulating water chennel, so
Rear continuation is the most up by dry load layer, and the absorption of sour gas just occurs at this position.Shower nozzle by band nozzle
Circulation fluid is expanded and spreads to whole tower section, it is ensured that all gas can be fully contacted with circulation fluid.
Washing deentrainment tower 560 outlet sets demister, can remove all drops by demister from flue gas stream.Demister band
There is Flushing nozzle, high pressure, clean water can be sprayed into off and on and clean demister, isolated water is entered wash tower bottoms.To be recycled
After saturated, high slat-containing wastewater enters advanced treatment system desalination.It is about 70 DEG C from washing deentrainment tower 560 flue-gas temperature out,
Need, through flue gas heater 570, after temperature brings up to 120 DEG C, to enter back into tail exhaust blower 580.Flue gas heater 570 is permissible
Using the steam of waste heat boiler 510 or the flue gas of high temperature section is thermal source.
Stay sample tap and on-line checking mouth at chimney 590, join a set of flue gas on-line measuring device, be used for detecting discharged cigarette
Flue dust in gas, humidity, flue-gas temperature, pressure, flow, HF, SO2、CO、NOx、HCl、O2、CO2Deng.Monitoring Data feeds back to burn
Burn workshop DCS system, by host computer, display record, analyze for environment care provider in factory.SO2And HCl number
According to also transmitting to deacidification system, to discharge the operational factor of the content numerical control deacidification system of gas middle acid substance, thus
Ensure that fume emission is qualified.Smoke on-line monitoring system is furnished with data remote unit, utilizes local networks and Environmental Protection Agency's environmental protection letter
Breath Platform communication, can report Monitoring Data relevant environment and monitor department.
The flying dust that in exhaust treatment system 500, waste heat boiler 510, chilling tower 520, cleaner unit 540 are collected, all through conveyer
512 enter flying dust storehouse 513, and flying dust storehouse 513 can be connected with automobile loading spout 516, can be completely by automobile loading spout 516
Carry slag to the freight house of automobile 517 under closed state, automobile 517 transport to landfill yard and carry out solidification landfill.Flying dust Cang518Ding
Portion can arrange cleaner unit 518 and air-introduced machine 519, and the wind of extraction may be coupled to the kiln hood of rotary kiln 110, makes as First air
With.Environment is not caused any pollution by this flying dust processing mode.
In the case of making full use of waste heat, higher gas cleaning rate is can reach by above-mentioned exhaust treatment system 500,
Can be to dust, sour gas, NOX, two English, the pollutant such as heavy metal purify, reach statutory emissions regulations.
Claims (10)
1. a danger waste incineration system, including feed system, incinerator and exhaust treatment system, wherein feed system includes
Bulk material feed system, sacked material feed system and liquid object feed system, respectively to incinerator in the way of continuous, airtight
Conveying bulk material, sacked material and liquid danger refuse.
Danger waste incineration system the most according to claim 1, wherein bulk material feed system includes:
Feeding bin, has closing housing, and housing is provided with material inlet and material outlet, and housing bottom is provided with spiral reamer；
First weigher, is used for weighing feeding bin；
Second weigher, is arranged on below feeding bin, is used for weighing discharging；And
Rotary feeder, import is connected with the second weigher, and outlet is connected with incinerator.
Danger waste incineration system the most according to claim 1, wherein sacked material feed system include suspended chain, hopper with
And bilayer push-pull valve, sacked material is delivered to hopper, then is delivered to incinerator by double-deck push-pull valve by suspended chain.
Danger waste incineration system the most according to claim 1, wherein liquid object feed system includes multichannel nozzle, uses respectively
Carry high heating value, middle calorific value and low heat value liquid.
Danger waste incineration system the most according to claim 1, incinerator includes rotary kiln and secondary combustion chamber, rotary kiln
Kiln tail be connected with the lower seal of secondary combustion chamber；Wherein be provided with air cooling slag hoist bottom secondary combustion chamber, secondary wind with
After slag heat exchange enter secondary combustion chamber burning, air-cooled after slag be fed directly to slag storehouse.
Danger waste incineration system the most according to claim 5, wherein exhaust treatment system include waste heat boiler, chilling tower,
Activated carbon dusting device, sack cleaner, active carbon adsorption column, washing deentrainment tower, flue gas heater, tail exhaust blower and cigarette
Chimney.
Danger waste incineration system the most according to claim 6, wherein also sets up between secondary combustion chamber and waste heat boiler
There is SNCR denitration device.
8. a danger incineration of waste technique, comprises the steps:
(1) providing danger waste incineration system, this system includes feed system, incinerator and exhaust treatment system, wherein feeds
System includes bulk material feed system, sacked material feed system and liquid object feed system, and incinerator includes rotary kiln and two
Level combustor, the kiln tail of rotary kiln is connected with the lower seal of secondary combustion chamber；
(2) by bulk material, sacked material and liquid object by predetermined calorific value and chemistry compatibility after respectively by bulk material feed system,
Sacked material feed system and liquid object feed system are sent in rotary kiln in the way of continuous, airtight；
(3) the fixed carbon part of danger refuse carries out burning disposal in rotary kiln, the volatile combustible gas produced in pyrolytic process
Body and fine carbon granule enter secondary combustion chamber's high temperature after-flame；
(4) the hot slag that rotary kiln and secondary combustion chamber produce enters air cooling slag hoist, blasts from air cooling slag hoist air inlet
Cold wind enters secondary combustion chamber after carrying out heat exchange with hot slag in air cooling slag hoist and carries out high temperature oxygenating, the slag after cooling
It is fed directly to slag storehouse.
Danger incineration of waste technique the most according to claim 8, wherein the incineration temperature of rotary kiln controls at 700 DEG C-850
DEG C, residue Control for Oxygen Content less than 2%.
Danger incineration of waste technique the most according to claim 8, wherein the incineration temperature of secondary combustion chamber controls at 1100-
1200 DEG C, residue Control for Oxygen Content is less than 8%.
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|---|---|---|---|
| CN201810668577.8A CN108800160B (en) | 2016-08-01 | 2016-08-01 | Using the air-cooled danger waste incineration system slagged tap and technique |
| CN201610621423.4A CN106247345B (en) | 2016-08-01 | 2016-08-01 | Danger waste incineration system and technique |
| CN201810668132.XA CN108800153B (en) | 2016-08-01 | 2016-08-01 | Dangerous waste object burning process |
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| CN201610621423.4A CN106247345B (en) | 2016-08-01 | 2016-08-01 | Danger waste incineration system and technique |
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| CN201810668132.XA Division CN108800153B (en) | 2016-08-01 | 2016-08-01 | Dangerous waste object burning process |
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| CN201610621423.4A Active CN106247345B (en) | 2016-08-01 | 2016-08-01 | Danger waste incineration system and technique |
| CN201810668577.8A Expired - Fee Related CN108800160B (en) | 2016-08-01 | 2016-08-01 | Using the air-cooled danger waste incineration system slagged tap and technique |
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| CN109489049A (en) * | 2018-11-23 | 2019-03-19 | 北京润泰环保科技有限公司 | Burn complete hospital refuse incinerating method and rotary kiln |
| CN109945645A (en) * | 2019-03-07 | 2019-06-28 | 溧阳天山水泥有限公司 | A kind of anti-backfire cement rotary kiln device |
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| CN109945645A (en) * | 2019-03-07 | 2019-06-28 | 溧阳天山水泥有限公司 | A kind of anti-backfire cement rotary kiln device |
| CN109945645B (en) * | 2019-03-07 | 2023-11-03 | 溧阳天山水泥有限公司 | Tempering-preventing cement rotary kiln device |
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| CN113511694A (en) * | 2021-05-21 | 2021-10-19 | 南京乐透思环保科技有限公司 | Composite sponge material, preparation method thereof and application of composite sponge material in treatment of high-salinity and high-calorific-value wastewater |
| CN113511694B (en) * | 2021-05-21 | 2022-12-27 | 南京乐透思高新材料科技有限公司 | Composite sponge material, preparation method thereof and application of composite sponge material in treatment of high-salinity and high-calorific-value wastewater |
| CN114353100A (en) * | 2021-12-30 | 2022-04-15 | 河南中环信环保科技股份有限公司 | Secondary combustion chamber convenient to maintenance |
| CN114183758A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | Device for burning wastes by low-calorific-value gas |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108800153A (en) | 2018-11-13 |
| CN108800160B (en) | 2019-09-17 |
| CN106247345B (en) | 2018-08-03 |
| CN108800153B (en) | 2019-09-17 |
| CN108800160A (en) | 2018-11-13 |
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