CN109899791A - Hazardous waste burn system based on flue gas recirculation - Google Patents
Hazardous waste burn system based on flue gas recirculation Download PDFInfo
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- CN109899791A CN109899791A CN201711304564.4A CN201711304564A CN109899791A CN 109899791 A CN109899791 A CN 109899791A CN 201711304564 A CN201711304564 A CN 201711304564A CN 109899791 A CN109899791 A CN 109899791A
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- waste
- incineration
- flue gas
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- 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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Abstract
The invention discloses the hazardous waste burn systems based on flue gas recirculation, it further include that system is added in powder including feed system, oxygen rich gas feed system, incineration of waste rotary kiln, secondary combustion chamber, dragveyer, the first waste heat boiler, the first air-introduced machine, the second waste heat boiler, exhaust treatment system, the second air-introduced machine, chimney and flue.The present invention is by oxygen-enriched combusting, and flue gas recirculation, under the premise of keeping smoke discharge amount constant, processing capacity is increased substantially, and heat energy recovery rate increases substantially, and the average burning disposal cost of waste per ton is decreased obviously；Since smoke discharge amount is constant, gross contamination emission is constant, and the pollutant discharge amount for burning one ton of waste decrease beyond 30%, this today increasingly increased to environmental protection pressure says that meaning is particularly important.
Description
Technical field
The present invention relates to the hazardous waste burn systems based on flue gas recirculation, belong to dangerous waste incineration technical field.
Background technique
Move towards the industrialization in China, Urbanization while, social material consumption amount also sharply increases, thereupon
Be a large amount of wastes generation.Hazardous waste from industry and medical system, because it is greatly destructive and right to environment
Grave danger of the health of the mankind and livestock and special disposition need to be carried out to it.
Incineration method is considered as because it can realize minimizing, innoxious and recycling when handling hazardous waste simultaneously
One of the method for most effective processing hazardous waste, and the method that mainly uses of China's hazardous waste centralized processing center it
One.
Hazardous waste field is handled in incineration method, rotary kiln incineration system has more wider than other type incineration system
Material adaptability can handle the hazardous waste of solid, liquid and gas form simultaneously.In world wide, rotary kiln incineration system
System occupies the market share more than 85% in processing hazardous waste field.
Rotary kiln incineration system is made of a slightly inclined rotary kiln (primary zone) with a secondary combustion chamber.It returns
Rotary kiln is the hollow steel cylinder of an embedded refractory brick.The heat of heating rotary kiln is (such as oily, natural mainly from auxiliary fuel
Gas etc.) and the generated heat of hazardous waste burning.Hazardous waste is from the high-end entrance of rotary kiln when operation, self gravity with
And under the impetus of rotary kiln rotation, along rotary kiln slip, dry (moisture evaporation), burning and after-flame are successively undergone
Stage.Combustion product is mainly lime-ash and flue gas.Secondary combustion chamber equipment one arrives several burners, in flue gas and second-time burning room
Excess air mixing after burn at high temperature, to remove the toxic organic compound in flue gas.
2016, the hazardous waste from industry and medical system was more than 60,000,000 tons/year.Existing hazardous waste is burnt
The processing capacity of burning system is far from satisfying social demand, there is an urgent need to increase burning disposal ability newly, but is limited to factory site choosing
Select, environmental evaluation and neighbour keep away the factors such as effect, create hazardous waste burn system it is more difficult, make slow progress.It is existing
For the processing capacity of rotary kiln incineration system generally at 1 ~ 30,000 tons/year, processing capacity is little.
Therefore, novel hazardous waste burn system technology is researched and developed, the processing of single set hazardous waste burn system is promoted
Ability is a feasible direction for solving current burning disposal ability wretched insufficiency.
Summary of the invention
The technical problem to be solved by the present invention is to the problems little for existing rotary kiln incineration system processing capacity, propose
Hazardous waste burn system based on flue gas recirculation, by oxygen-enriched combusting, it is dangerous useless greatly to promote single set for flue gas recirculation
The processing capacity of object incineration system.
The purpose of the present invention is implemented with the following technical solutions:
Hazardous waste burn system based on flue gas recirculation, including feed system, oxygen rich gas feed system, incineration of waste time
Rotary kiln, secondary combustion chamber, dragveyer, the first waste heat boiler, the first air-introduced machine, the second waste heat boiler, exhaust treatment system, second
The kiln hood end of incineration of waste rotary kiln, the kiln of incineration of waste rotary kiln is arranged in air-introduced machine, chimney and flue, feed system
Head end is provided with high-temperature flue gas air inlet, and the outlet side of oxygen rich gas feed system is connected to high-temperature flue gas air inlet, secondary combustion
Burn room be mounted on incineration of waste rotary kiln kiln tail end and be connected in incineration of waste rotary kiln, dragveyer is mounted on second-time burning
The lower section of room, secondary combustion chamber are separately connected the first waste heat boiler and the second waste heat boiler, the first waste heat pot by flue
Furnace connects the first air-introduced machine by flue, and the first air-introduced machine connects the high temperature cigarette of incineration of waste rotary kiln by flue
Gas air inlet, the second waste heat boiler connect exhaust treatment system by flue, and exhaust treatment system is connected by flue
The second air-introduced machine is connect, the second air-introduced machine connects chimney by flue.
Preferably, the secondary combustion chamber is provided with the first waste gas outlet, the second burner and the second waste gas outlet, and second
Burner is located at the top of the first waste gas outlet, and the second waste gas outlet is located at the top of the second burner, and the first waste gas outlet is logical
It crosses flue and connects the first waste heat boiler, the second waste gas outlet connects the second waste heat boiler by flue.
Preferably, the heatrejection range of the first waste gas outlet of the secondary combustion chamber be 800 ~ 1200 DEG C, second
The heatrejection range of waste gas outlet is 1100 ~ 1300 DEG C.
Preferably, the kiln hood end of the incineration of waste rotary kiln is additionally provided with the first burner, the input of at least one waste liquid
Port, solid waste charging port.
Preferably, the feed system includes waste liquid storage and feed system and solid waste storage and feed system, is given up
The waste liquid output end of liquid storage and feed system respectively with the first burner of incineration of waste rotary kiln, incineration of waste rotary kiln
The solid waste output of the second burner connection of waste liquid input port, secondary combustion chamber, solid waste storage and feed system
The solid waste charging port of end connection incineration of waste rotary kiln.
It preferably, further include that system is added in powder, the powder output end and incineration of waste rotary kiln of system is added in powder
The connection of high-temperature flue gas air inlet.
Preferably, the oxygen rich gas feed system is oxygen rich gas preparation system, oxygen rich gas storage and output system
Any one.
Preferably, the exhaust treatment system includes chilling tower, dry type reactor, bag filter.
Preferably, the exhaust treatment system also may include chilling tower, wet scrubbing tower.
Preferably, the exhaust treatment system may be wet scrubbing tower.
In summary technical solution, the beneficial effects of the present invention are: the present invention by air separation/flue gas recirculating technique
Existing rotary kiln incineration systems technology is incorporated, technology upgrading transformation is carried out to secondary combustion chamber, in a set of dangerous waste incineration
Two sets of waste heat boilers are used in system；By oxygen-enriched combusting, flue gas recirculation makes single hazardous waste burn system that covers keep cigarette
Under the premise of gas discharge amount is constant, processing capacity is increased substantially, and heat energy recovery rate increases substantially, and being averaged for waste per ton is burnt
Processing cost is burnt to be decreased obviously；Since smoke discharge amount is constant, gross contamination emission is constant, and environmental benefit of the invention is extremely
Obviously, the pollutant discharge amount for burning one ton of waste decrease beyond 30%, this carrys out today that environmental protection pressure increasingly increases
Speech, meaning are particularly important.
Detailed description of the invention
Fig. 1 is system schematic of the invention.
In figure: 10, feed system；11, waste liquid storage and feed system；12, solid waste storage and feed system；20,
Incineration of waste rotary kiln；21, the first burner；22, waste liquid input port；23, solid waste charging port；24, high-temperature flue gas
Air inlet；30, secondary combustion chamber；31, the first waste gas outlet；32, the second waste gas outlet；33, the second burner；40, dragveyer；
51, the first waste heat boiler；52, the second waste heat boiler；60, exhaust treatment system；71, the first air-introduced machine；72, the second air-introduced machine；
81, chimney；82, flue；91, oxygen rich gas feed system；92, system is added in powder.
Specific embodiment
In order to better understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification, and
It is special below to lift preferred embodiment in order to allow above and other objects, features and advantages of the invention can be more clearly understood, and match
Attached drawing is closed, detailed description are as follows.
As shown in Figure 1, the hazardous waste burn system based on flue gas recirculation, including feed system 10, oxygen rich gas supply
To system 91, incineration of waste rotary kiln 20, secondary combustion chamber 30, dragveyer 40, the first waste heat boiler 51, the first air-introduced machine 71,
Second waste heat boiler 52, exhaust treatment system 60, the second air-introduced machine 72, chimney 81 and flue 82, feed system 10 are arranged
At the kiln hood end of incineration of waste rotary kiln 20, the kiln hood end of incineration of waste rotary kiln 20 is provided with high-temperature flue gas air inlet 24, rich
The outlet side of carrier of oxygen feed system 91 is connected to high-temperature flue gas air inlet 24, and secondary combustion chamber 30 is mounted on incineration of waste revolution
The kiln tail end of kiln 20 and be connected in incineration of waste rotary kiln 20, dragveyer 40 is mounted on the lower section of secondary combustion chamber 30, secondary
Combustion chamber 30 is separately connected the first waste heat boiler 51 and the second waste heat boiler 52 by flue 82, and the first waste heat boiler 51 is logical
It crosses flue 82 and connects the first air-introduced machine 71, the first air-introduced machine 71 connects incineration of waste rotary kiln 20 by flue 82
High-temperature flue gas air inlet 24, the second waste heat boiler 52 connect exhaust treatment system 60, exhaust treatment system by flue 82
60 connect the second air-introduced machine 72 by flue 82, and the second air-introduced machine 72 connects chimney 81 by flue 82.
Incineration of waste rotary kiln 20 rotates, and feed system 10 is by dangerous liquid wastes from the kiln hood of incineration of waste rotary kiln 20
End sprays into incineration of waste rotary kiln 20, and dangerous liquid wastes vaporization is burned, and forms high-temperature flue gas and inorganic residues；Charging system
Solid or semisolid hazardous waste are pushed into incineration of waste rotary kiln 20 by system 10 from the kiln hood end of incineration of waste rotary kiln 20,
Perhaps semisolid hazardous waste rolls having of advancing that solid or semisolid waste include solid in incineration of waste rotary kiln 20
Machine object is thoroughly burned, and moisture all evaporates, and forms high-temperature flue gas and inorganic residues；Inorganic residues are in melting state, through water quenching
It is discharged after cold by the dragveyer 40 at 20 kiln tail end of incineration of waste rotary kiln；A part of high-temperature flue gas enters the through secondary combustion chamber 30
One waste heat boiler 51 recycles heat, reduces temperature to 240 ~ 500 DEG C, then pass through the first air-introduced machine 71 and incineration of waste rotary kiln
The high-temperature flue gas air inlet 24 at 20 kiln hood ends reenters in incineration of waste rotary kiln 20, participates in burning；Oxygen rich gas supply system
System 91 is the high-temperature flue gas supplement oxygen rich gas for reentering incineration of waste rotary kiln 20；Another part high-temperature flue gas is through secondary combustion
It burns room 30 and enters the second waste heat boiler 52, recycle heat, reduce temperature to 500 ~ 600 DEG C, proceed immediately to exhaust treatment system
60, it reduces temperature and removes the harmful substance in flue gas (such as sulfur dioxide, nitrogen oxides, hydrogen chloride, hydrogen fluoride, heavy metal, powder
Dirt, dioxin etc.), then chimney 81 is entered by the second air-introduced machine 72, it is up to standard to be discharged into atmosphere.The danger based on flue gas recirculation
Waste incineration system, by oxygen-enriched combusting, flue gas recirculation, under the premise of keeping smoke discharge amount constant, processing capacity is big
Amplitude improves, and heat energy recovery rate increases substantially, and the average burning disposal cost of waste per ton is decreased obviously；Due to flue gas emission
Measure constant, gross contamination emission is constant, and the pollutant discharge amount for burning one ton of waste decrease beyond 30%.
Further, as shown in Figure 1, the secondary combustion chamber 30 is provided with the first waste gas outlet 31,33 and of the second burner
Second waste gas outlet 32, the second burner 33 are located at the top of the first waste gas outlet 31, and the second waste gas outlet 32 is located at the second combustion
The top of burner 33, the first waste gas outlet 31 connect the first waste heat boiler 51 by flue 82, and the second waste gas outlet 32 is logical
It crosses flue 82 and connects the second waste heat boiler 52.
Further, the heatrejection range of the first waste gas outlet 31 of the secondary combustion chamber 30 is 800 ~ 1200 DEG C,
The heatrejection range of second waste gas outlet 32 is 1100 ~ 1300 DEG C.
For not needing to carry out the high-temperature flue gas of purification discharge, the first waste gas outlet 31 through secondary combustion chamber 30 enters the
One waste heat boiler 51 recycles heat, reduces temperature to 240 ~ 500 DEG C, then pass through the first air-introduced machine 71 and incineration of waste rotary kiln
The high-temperature flue gas air inlet 24 at 20 kiln hood ends reenters in incineration of waste rotary kiln 20, participates in burning, oxygen rich gas supply system
System 91 is the high-temperature flue gas supplement oxygen rich gas for reentering incineration of waste rotary kiln 20；For carrying out the height of purification discharge
Warm flue gas, under the action of 33 combustion oil of the second burner, natural gas or high heating value waste liquid, it is ensured that temperature be increased to 1100 DEG C with
On, the toxic organic compound matter in high-temperature flue gas is thoroughly destroyed by fire, thoroughly destroys the high-temperature flue gas of toxic organic compound matter by fire through secondary combustion
The second waste gas outlet 32 for burning room 30 enters the second waste heat boiler 52, recycles heat, reduces temperature to 500 ~ 600 DEG C, and then
Into exhaust treatment system 60, reduce temperature and remove the harmful substance in flue gas (such as sulfur dioxide, nitrogen oxides, hydrogen chloride,
Hydrogen fluoride, heavy metal, dust, dioxin etc.), then chimney 81 is entered by the second air-introduced machine 72, it is up to standard to be discharged into atmosphere.Into
The high-temperature flue gas of one waste heat boiler 51 does not discharge externally, therefore regenerates problem without the concern for dioxin；In the first waste heat
In boiler 51, the cooling extent that high-temperature flue gas allows is big, and heat energy recovery rate is high.In unit time, pass through the first waste heat boiler 51
High-temperature flue gas amount than by the big several times of the high-temperature flue gas amount of the second waste heat boiler 52, being high basic of heat energy recovery rate of the present invention
Reason.
Further, as shown in Figure 1, the kiln hood end of the incineration of waste rotary kiln 20 is additionally provided with the first burner 21, extremely
Few a waste liquid input port 22, solid waste charging port 23.
Further, as shown in Figure 1, the feed system 10 includes waste liquid storage and feed system 11 and solid waste storage
And feed system 12, waste liquid stores and the waste liquid output end of feed system 11 burns with the first of incineration of waste rotary kiln 20 respectively
The second burner 33 connection of device 21, the waste liquid input port 22 of incineration of waste rotary kiln, secondary combustion chamber 30, solid waste are deposited
The solid waste charging port 23 of the solid waste output end of storage and feed system 12 connection incineration of waste rotary kiln 20.
Waste liquid storage and feed system 11 input dangerous liquid wastes from the waste liquid at 20 kiln hood end of incineration of waste rotary kiln
Port 22 sprays into incineration of waste rotary kiln 20, and dangerous liquid wastes vaporization is burned；Solid waste storage and feed system 12 will
Solid or semisolid hazardous waste are burnt from the solid waste charging port 23 at 20 kiln hood end of incineration of waste rotary kiln push-in waste
It burns in rotary kiln 20, perhaps semisolid hazardous waste rolls advance solid or half admittedly to solid in incineration of waste rotary kiln 20
The organic matter that body waste includes thoroughly is burned, and moisture all evaporates.Dangerous liquid wastes have quite a few with high heating value
Or there is high heating value after being concentrated by evaporation.In incineration system, using the dangerous liquid wastes of high heating value as fuel
It uses, the treatment of wastes with processes of wastes against one another, is to reduce energy consumption, reduces a feasible program of cost.In this incineration system, the liquid of high heating value is endangered
Dangerous waste can be carried out by the second burner 33 of the first burner 21 of incineration of waste rotary kiln 20 and secondary combustion chamber 30
Burning, provides heat or burning high temperature fume for system.
Further, as shown in Figure 1, this system further includes that system 92 is added in powder, the powder output of system 92 is added in powder
End is connected to the high-temperature flue gas air inlet 24 of incineration of waste rotary kiln 20.
Powder is added system 92 and adds powdery inorganic agent to the high-temperature flue gas for reentering incineration of waste rotary kiln 20, mainly
Paris white, calcium hydroxide powder, calcium oxide powder, sodium hydrogen carbonate powder, part remove sulfur dioxide in high-temperature flue gas, hydrogen chloride,
The harmful substances such as hydrogen fluoride, can both reduce the concentration of harmful substance in high-temperature flue gas, so that its corrosivity to equipment is reduced,
The processing pressure of exhaust treatment system 60 can be mitigated again, it is ensured that fume treatment quality, qualified discharge.
Further, the oxygen rich gas feed system 91 is oxygen rich gas preparation system, oxygen rich gas storage and output system
Any one of system.
Further, the exhaust treatment system 60 includes chilling tower, dry type reactor, bag filter.
Further, the exhaust treatment system 60 also may include chilling tower, wet scrubbing tower.
Further, the exhaust treatment system 60 or wet scrubbing tower.
Technology contents of the invention are described above in conjunction with attached drawing, but protection scope of the present invention be not limited to it is described
Content within the knowledge of one of ordinary skill in the art can also be in the premise for not departing from present inventive concept
Under technology contents of the invention are made a variety of changes, all within the spirits and principles of the present invention, any modification for being made, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. the hazardous waste burn system based on flue gas recirculation, it is characterised in that: including feed system, oxygen rich gas supply system
System, incineration of waste rotary kiln, secondary combustion chamber, dragveyer, the first waste heat boiler, the first air-introduced machine, the second waste heat boiler, exhaust gas
The kiln hood end of incineration of waste rotary kiln, waste is arranged in processing system, the second air-introduced machine, chimney and flue, feed system
The kiln hood end of incineration rotary kiln is provided with high-temperature flue gas air inlet, the outlet side of oxygen rich gas feed system and high-temperature flue gas air inlet
Mouthful connection, secondary combustion chamber be mounted on the kiln tail end of incineration of waste rotary kiln and be connected in incineration of waste rotary kiln, dragveyer
It is mounted on the lower section of secondary combustion chamber, secondary combustion chamber is separately connected the first waste heat boiler and the second waste heat pot by flue
Furnace, the first waste heat boiler connect the first air-introduced machine by flue, and the first air-introduced machine connects incineration of waste by flue
The high-temperature flue gas air inlet of rotary kiln, the second waste heat boiler connect exhaust treatment system, exhaust treatment system by flue
The second air-introduced machine is connected by flue, the second air-introduced machine connects chimney by flue.
2. the hazardous waste burn system according to claim 1 based on flue gas recirculation, it is characterised in that: described secondary
Combustion chamber is provided with the first waste gas outlet, the second burner and the second waste gas outlet, and the second burner is located at the first waste gas outlet
Top, the second waste gas outlet is located at the top of the second burner, and the first waste gas outlet passes through flue and connects the first waste heat
Boiler, the second waste gas outlet connect the second waste heat boiler by flue.
3. the hazardous waste burn system according to claim 2 based on flue gas recirculation, it is characterised in that: described secondary
The heatrejection range of first waste gas outlet of combustion chamber is 800 ~ 1200 DEG C, the heatrejection range of the second waste gas outlet
It is 1100 ~ 1300 DEG C.
4. the hazardous waste burn system according to claim 1 based on flue gas recirculation, it is characterised in that: the waste
The kiln hood end of incineration rotary kiln is additionally provided with the first burner, at least one waste liquid input port, solid waste charging port.
5. the hazardous waste burn system according to claim 1,2 or 4 based on flue gas recirculation, it is characterised in that: institute
Stating feed system includes waste liquid storage and feed system and solid waste storage and feed system, waste liquid storage and feed system
The waste liquid output end waste liquid input port, secondary with the first burner of incineration of waste rotary kiln, incineration of waste rotary kiln respectively
Second burner of combustion chamber connects, the solid waste output end connection incineration of waste revolution of solid waste storage and feed system
The solid waste charging port of kiln.
6. the hazardous waste burn system according to claim 1 based on flue gas recirculation, it is characterised in that: further include powder
Expect addition system, the powder output end that system is added in powder is connected to the high-temperature flue gas air inlet of incineration of waste rotary kiln.
7. the hazardous waste burn system according to claim 1 based on flue gas recirculation, it is characterised in that: described oxygen-enriched
Gas supply system is any one of oxygen rich gas preparation system, oxygen rich gas storage and output system.
8. the hazardous waste burn system according to claim 1 based on flue gas recirculation, it is characterised in that: the exhaust gas
Processing system includes chilling tower, dry type reactor, bag filter.
9. the hazardous waste burn system according to claim 1 based on flue gas recirculation, it is characterised in that: the exhaust gas
Processing system also may include chilling tower, wet scrubbing tower.
10. the hazardous waste burn system according to claim 1 based on flue gas recirculation, it is characterised in that: described useless
Gas processing system may be wet scrubbing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711304564.4A CN109899791A (en) | 2017-12-11 | 2017-12-11 | Hazardous waste burn system based on flue gas recirculation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304564.4A CN109899791A (en) | 2017-12-11 | 2017-12-11 | Hazardous waste burn system based on flue gas recirculation |
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| CN109899791A true CN109899791A (en) | 2019-06-18 |
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ID=66941592
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711304564.4A Pending CN109899791A (en) | 2017-12-11 | 2017-12-11 | Hazardous waste burn system based on flue gas recirculation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197754A (en) * | 2020-02-25 | 2020-05-26 | 莱芜德正环保科技有限公司 | Green high-efficient hazardous waste rotary kiln incineration processing system based on oxygen-enriched air supply of secondary combustion chamber |
| CN112923376A (en) * | 2021-02-26 | 2021-06-08 | 北京航化节能环保技术有限公司 | Rotary ash slag molten state vitrification oxygen-enriched incineration system and process method |
| CN113834078A (en) * | 2021-11-12 | 2021-12-24 | 佛山市富龙环保科技有限公司 | Hazardous waste incineration anti-slagging disposal technology |
| CN113970100A (en) * | 2020-07-22 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Hazardous waste pyrolysis incineration system and hazardous waste pyrolysis incineration method |
-
2017
- 2017-12-11 CN CN201711304564.4A patent/CN109899791A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111197754A (en) * | 2020-02-25 | 2020-05-26 | 莱芜德正环保科技有限公司 | Green high-efficient hazardous waste rotary kiln incineration processing system based on oxygen-enriched air supply of secondary combustion chamber |
| CN113970100A (en) * | 2020-07-22 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Hazardous waste pyrolysis incineration system and hazardous waste pyrolysis incineration method |
| CN113970100B (en) * | 2020-07-22 | 2023-06-23 | 中冶长天国际工程有限责任公司 | Hazardous waste pyrolysis incineration system and hazardous waste pyrolysis incineration method |
| CN112923376A (en) * | 2021-02-26 | 2021-06-08 | 北京航化节能环保技术有限公司 | Rotary ash slag molten state vitrification oxygen-enriched incineration system and process method |
| CN112923376B (en) * | 2021-02-26 | 2022-12-13 | 北京航化节能环保技术有限公司 | Rotary ash slag molten state vitrification oxygen-enriched incineration system and process method |
| CN113834078A (en) * | 2021-11-12 | 2021-12-24 | 佛山市富龙环保科技有限公司 | Hazardous waste incineration anti-slagging disposal technology |
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