CN105805765A - Sludge pyrolytic incineration furnace - Google Patents
Sludge pyrolytic incineration furnace Download PDFInfo
- Publication number
- CN105805765A CN105805765A CN201610150301.1A CN201610150301A CN105805765A CN 105805765 A CN105805765 A CN 105805765A CN 201610150301 A CN201610150301 A CN 201610150301A CN 105805765 A CN105805765 A CN 105805765A
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- Prior art keywords
- kiln body
- kiln
- pyrolysis
- revolution
- feed
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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
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/12—Sludge, slurries or mixtures of liquids
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a sludge pyrolytic incineration furnace. The sludge pyrolytic incineration furnace comprises a rack and a rotary kiln body capable of rotating around the axis of the rotary kiln body. The rack is provided with a kiln head hood rotationally connected with the kiln head end of the rotary kiln body, and a kiln tail hood rotationally connected with the kiln tail end of the rotary kiln body. A discharge outlet is formed in the bottom of the kiln head hood. An air outlet is formed in the top of the kiln tail hood. The rack is provided with an air inlet pipe mechanism for feeding air into the kiln head end of the rotary kiln body. A pyrolysis kiln body is arranged inside the rotary kiln body, and the pyrolysis kiln body and the rotary kiln body can rotate synchronously. The pyrolysis kiln body is located at the kiln tail end of the rotary kiln body, and the length of the pyrolysis kiln body is smaller than that of the rotary kiln body. The rack is provided with a feeding machine for feeding materials into the pyrolysis kiln body, and a secondary combustor communicating with the air outlet. By means of the sludge pyrolytic incineration furnace, preheating and pyrolysis of sludge are achieved, and the incineration efficiency is improved.
Description
Technical field
The invention belongs to sludge incineration field, particularly relate to a kind of pyrolyzing sludge incinerator.
Background technology
The common processing method of mud is landfill or burns, owing to landfill needs to take substantial amounts of soil, and can to the bigger pollution of soil reclamation after landfill, therefore land resource waste is comparatively serious；Burning disposal is that mud is dried after just reason, makes the moisture content of mud reduce at present to mud solution comparatively thoroughly, in order to quickly arrives burning-point and lights smoothly.At present, sludge incineration carries out mainly through fluid bed or rotary kiln, and wherein fluid bed requires higher for moisture content and the granular size of mud granule, and Treatment of Sludge is relatively costly, it is difficult to adapt to the national conditions of China.
Chinese patent notification number CN204006029U, disclose a kind of comprehensive drying and incineration system of built-in mud, when rotary kiln burns, mud granule size requirements is relatively low, owing to moisture percentage in sewage sludge is higher, it is therefore desirable to arranging drying baker and mud is first preheated thus reducing mud containing the tax rate, device overall structure is comparatively huge, and energy consumption is higher, Treatment of Sludge is relatively costly.
Summary of the invention
The present invention is to overcome above-mentioned deficiency of the prior art, it is provided that the pyrolyzing sludge incinerator of a kind of preheating realizing mud and pyrolysis, raising firing efficiency.
To achieve these goals, the present invention is by the following technical solutions:
A kind of pyrolyzing sludge incinerator, including stand and can along own axes rotate revolution kiln body, described stand is provided with the kiln head cover being rotationally connected with the kiln hood end turning round kiln body and the kiln hood being rotationally connected with the kiln tail end turning round kiln body, the bottom of kiln head cover is provided with discharging opening, kiln hood top is provided with air outlet, stand is provided with the blast pipe mechanism of the kiln hood end air inlet to revolution kiln body, in rotary kiln body portion be provided with can with revolution kiln body synchronous axial system pyrolysis kiln body, pyrolysis kiln body is located at turn around the kiln tail end of kiln body and the length of the pyrolysis kiln body length less than revolution kiln body, charger that stand is provided with charging in pyrolysis kiln body and the secondary combustion chamber connected with air outlet.
Mud is first in pyrolysis kiln body when entering in rotary kiln body, furnace temperature is utilized to be heated, after mud is heated, temperature gradually rises, the temperature of mud from room temperature be increased to 80 DEG C to 400 DEG C time, Organic substance decomposes in mud, formation fuel gas is discharged, and fuel gas enters into and reaches burning-point in rotary kiln body and burn.Produce heat after gas fuel burning to be conducive to keeping furnace temperature, reduce fuel consumption.Complete preheating when mud enters into wall in rotary kiln body from pyrolysis kiln body, reach burning-point and be smoothed out burning.Revolution kiln body not stop and rotation in the process of sewage sludge feed and burning so that mud and air are fully contacted, and mud is fully burned.So, before combustion, the preheating first passing through pyrolysis kiln body improves temperature to mud, reduces the moisture in mud so that mud can be lighted smoothly, realizes the Organic substance in mud simultaneously before ignition and decomposes, reduces the discharge of harmful substance in waste gas.
As preferably, described revolution kiln body is arranged in stand surface thereof, and the kiln tail end of revolution kiln body is higher than the kiln hood end of revolution kiln body, and pyrolysis kiln body is coaxially arranged with revolution kiln body, is provided with preheating chamber between pyrolysis kiln body and revolution kiln body.So, revolution kiln body is when rotating, and the mud being positioned at kiln tail end can slowly move to kiln hood end along rotary kiln body wall smoothly, it is prevented that in mud and rotary kiln body, wall bonding occurs consequently facilitating by the lime-ash after burning thus discharging opening discharge.Leaving preheating chamber between pyrolysis kiln body and revolution kiln body, the high temperature hot gas produced after sludge incineration can surround pyrolysis kiln body, and that improves pyrolysis kiln body is subject to thermal effect.
As preferably, described blast pipe mechanism includes travelling carriage and some parallel blast pipes, the side of travelling carriage is provided with the rotation seat that blast pipe is axially positioned, blast pipe is provided with volume damper in the inside of one end, gas outlet, stand is provided with the guide rail being slidably matched with travelling carriage, and travelling carriage is provided with the travelling carriage motor driving travelling carriage to move along slide rail.Blast pipe is positioned by rotation seat, travelling carriage can along the relative stand sliding of guide rail, blast pipe is made to move along its axis, adjust QI KOU position in rotary kiln body, the volume damper simultaneously arranged on blast pipe can regulate the intake of blast pipe, so that the oxygen content of regional is uniform and stable in rotary kiln body.
As preferably, the pivot center of described rotation seat is parallel with the axis of blast pipe, and described blast pipe is arranged around the pivot center of rotation seat, and described travelling carriage is provided with the rotation seat motor driving rotation seat to rotate.So when sludge incineration, each blast pipe can rotate along the axis of rotation seat, thus providing spiral air-flow, improve the air time of staying in rotary kiln body, so that sludge incineration is more thorough thus reducing harmful substance contents in waste gas, the high temperature hot gas produced after burning is abundant with the time of contact of pyrolysis kiln body, improves heat exchange effect.
As preferably, described stand is provided with positioning seat in the one end near blast pipe air inlet, and described positioning seat and support are rotationally connected, and positioning seat is provided with the pilot hole being slidably matched with blast pipe.Air inlet end at blast pipe increases positioning seat, plays a supporting role for blast pipe, alleviates travelling carriage pressure.
As preferably, described stand is provided with the rotary kiln motor driving rotary kiln body to rotate, and the external sidewall of rotary kiln is provided with along revolution kiln body gear ring circumferentially, and the output shaft of described rotary kiln motor is provided with and the gear of gear ring engaged transmission.
As preferably, described charger includes feeding warehouse, feed pipe and the feed worm being arranged in feed pipe, and described charger is provided with the screw rod motor driving feed worm to rotate, and described feed pipe extends to form charging aperture inside pyrolysis kiln body.Drive feed worm to rotate in feed pipe after screw rod motor rotation, the mud in feeding warehouse is delivered in pyrolysis kiln body from feed pipe.
As preferably, the charging aperture of described feed pipe is provided with some feed-inputing branched pipes connected with charging aperture, feed-inputing branched pipe is arranged radially on charging aperture, the charging aperture of feed pipe is provided with the puff prot given vent to anger to feed-inputing branched pipe, is provided with hot gas path and can provide the blower fan of air pressure to puff prot between gas outlet and the puff prot of described secondary combustion chamber.When feed pipe is when charging, mud requires over the feed-inputing branched pipe of charging aperture and falls in pyrolysis kiln body again, can be reduced the size of mud granule by feed-inputing branched pipe, improves the programming rate of mud.Fan action can produce instantaneous high pressure at charging aperture in puff prot, is sprayed thus being broken up by mud further from feed-inputing branched pipe by mud, it is prevented that mud goes out to pile up at charging aperture.From the high temperature and high pressure gas of secondary combustion chamber, its oxygen content is relatively low, can take away sludge disintegration fuel gas out together to enter into after in revolution kiln body and burn, it is prevented that fuel gas burns in pyrolysis kiln body, improves the safety of equipment.Due to the hot gas path connected with puff prot, it connects with the gas outlet of secondary combustion chamber, and therefore the high-temperature gas in puff prot acts on mud, is also beneficial to improve mud temperature.
As preferably, described hot gas path includes pre-hot-flow flue and the connecting tube connected with blower fan, and described pre-hot-flow flue is around feed pipe outer wall helix shape, and the air inlet of described pre-hot-flow flue connects with connecting tube, and the gas outlet of pre-hot-flow flue connects with puff prot.So, mud in feed pipe can tentatively being preheated by pre-hot-flow flue, coordinate the second time preheating of pyrolysis kiln body, mud can reach higher temperature before entering revolution kiln body, heat after sludge incineration can be fully used, and advantageously reduces energy consumption.
The invention has the beneficial effects as follows: paper money is first defeated to be preheated (1) mud in pyrolysis kiln body burning, and improves mud temperature, reduces moisture percentage in sewage sludge, make mud be easier to be ignited, reduce sludge incineration difficulty；(2) the Organic substance decomposition combustion in mud has been promoted so that sludge disintegration is more abundant；(3) heat after sludge incineration can be fully utilized, and reduces energy resource consumption.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the structural representation of blast pipe mechanism of the present invention；
Fig. 3 is the structural representation at charging aperture place of the present invention.
In figure: secondary combustion chamber 1, charger 2, feed pipe 2a, feeding warehouse 2b, auger 2c, auger motor 2d, screw rod motor 2e, feed worm 2f, feed-inputing branched pipe 201, kiln hood 3, air outlet 301, pyrolysis kiln body 4, revolution kiln body 5, defining flange 5a, gear ring 5b, preheating chamber 5c, kiln hood end 501, kiln tail end 502, kiln head cover 6, discharging opening 6a, blast pipe mechanism 7, travelling carriage 7a, rotation seat 7b, blast pipe 7c, volume damper 7d, travelling carriage motor 701, rotation seat motor 702, ventilating fan 8, collecting bin 9, rotary kiln motor 10, gear wheel 11, stand 12, guide rail 12a, positioning seat 13, puff prot 14, pre-hot-flow flue 15, connecting tube 16, blower fan 17.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
In embodiment as shown in Figure 1, a kind of pyrogenation incinerator kiln structure, including stand 12, revolution kiln body 5 and pyrolysis kiln body 4.Revolution kiln body is arranged on stand, and the upper surface of stand is the loading end being in tilted layout.Loading end is provided with kiln head cover 6 and kiln hood 3, and wherein kiln head cover is rotationally connected with the kiln hood end 501 of revolution kiln body, and kiln head cover is internal to be connected with revolution kiln body.Kiln hood and the kiln tail end 502 turning round kiln body are rotationally connected, and also connect with revolution kiln body inside kiln hood.Revolution kiln body is in tilted layout, and the kiln tail end of revolution kiln body is higher than the kiln hood end of revolution kiln body.Pyrolysis kiln body is arranged at the inside of revolution kiln body, and the kiln tail end of revolution kiln body is provided with the support for positioning pyrolysis kiln body, and support is fixed be connected with pyrolysis kiln body, revolution kiln body respectively, so that pyrolysis kiln body is fixed on the kiln tail end of revolution kiln body.Feed pipe 2a enters in pyrolysis kiln body by kiln hood, and revolution kiln body, pyrolysis kiln body and feed pipe three are coaxially arranged.
Stand is provided with the rotary kiln motor 10 driving rotary kiln body to rotate, and the external sidewall of rotary kiln is provided with the gear ring 5b arranged around rotary kiln body axis, and the output shaft of rotary kiln motor is provided with and the gear of gear ring engaged transmission.The external sidewall of rotary kiln is equipped with the defining flange 5a arranged around rotary kiln body axis at kiln hood end and kiln tail end, and stand is provided with the gear wheel 11 coordinated with defining flange.Kiln head cover is provided with air inlet, and kiln hood top is provided with the air inlet of air outlet 301, air outlet and secondary combustion chamber and connects.The bottom of kiln head cover is provided with discharging opening 6a, kiln head cover be connected with collecting bin 9, collecting bin is corresponding with the discharging opening position bottom kiln head cover.
As shown in Figure 2, blast pipe mechanism 7 includes travelling carriage 7a and some parallel blast pipe 7c, the side of travelling carriage is provided with the rotation seat 7b that blast pipe is axially positioned, blast pipe is provided with volume damper 7d in the inside of one end, gas outlet, stand is provided with the guide rail 12a being slidably matched with travelling carriage, and travelling carriage is provided with the travelling carriage motor 701 driving travelling carriage to move along slide rail.Guide rail is provided with the tooth bar arranged with guide rail parallel, and travelling carriage motor output shaft is provided with driving gear, driving gear and tooth bar and coordinates transmission.The pivot center of rotation seat is parallel with the axis of blast pipe, and blast pipe is arranged around the pivot center of rotation seat, and travelling carriage is provided with the rotation seat motor 702 driving rotation seat to rotate.The outside of rotation seat is provided with rotation gear ring, rotates gear ring and rotation seat is coaxially arranged, and rotation seat motor output shaft is provided with driving gear, drives gear and rotates gear ring cooperation transmission.Being rotationally connected additionally, stand is provided with positioning seat 13, positioning seat and support in the one end near blast pipe air inlet, positioning seat is provided with the pilot hole being slidably matched with blast pipe.
As shown in Figure 3, charger 2 includes feeding warehouse 2b, feed pipe and the feed worm 2f being arranged in feed pipe, charger is provided with the screw rod motor 2e driving feed worm to rotate, feed pipe extends to form charging aperture inside pyrolysis kiln body, and feed worm extends to charging aperture from the bottom of feeding warehouse along feed pipe.Being provided with auger 2c in feeding warehouse, auger is positioned at above feed worm, and auger axis and feed worm axis are arranged in parallel, and charger is provided with the auger motor 2d driving auger to rotate.
The charging aperture of feed pipe is provided with some feed-inputing branched pipes 201 connected with charging aperture, and feed-inputing branched pipe is arranged radially on charging aperture, and the charging aperture of feed pipe is provided with the puff prot 14 given vent to anger to feed-inputing branched pipe.It is provided with hot gas path between gas outlet and the puff prot of secondary combustion chamber 1 and the blower fan 17 of air pressure can be provided to puff prot, blower fan is for providing instantaneous high pressure to puff prot, thus mud is pressed in feed-inputing branched pipe from charging aperture, and the mud in feed-inputing branched pipe is outwards sprayed breaks up.Hot gas path includes pre-hot-flow flue 15 and the connecting tube 16 connected with blower fan, and pre-hot-flow flue is around feed pipe outer wall helix shape, and the air inlet of pre-hot-flow flue connects with connecting tube, and the gas outlet of pre-hot-flow flue connects with puff prot.
In actual moving process, revolution kiln body rotates along the axis of revolution kiln body under the drive of rotary kiln motor, and ventilating fan 8 starts by blast pipe air intake in rotary kiln body.Mud enters from feeding warehouse, and mud is pushed to the feed worm bottom feeding warehouse by the auger in feeding warehouse, and screw rod driven by motor feed worm rotates so that mud transports at charging Herba potentillae fulgentis.Mud enters in pyrolysis kiln body from feed pipe, and mud is heated by pyrolysis kiln body, and mud temperature is gradually increased to 80 DEG C to 400 DEG C, moisture evaporation in mud, Organic substance decomposes gradually, forms fuel gas and discharges, and fuel gas enters into and reaches burning-point in rotary kiln body and burn.Mud drops on the inwall of revolution kiln body from pyrolysis kiln body afterwards, and mud temperature reaches burning-point and contact wants air thus burning smoothly.The high temperature hot gas produced in sludge incineration process flows along the preheating chamber 5c between revolution kiln body and pyrolysis kiln body, thus the mud in pyrolysis kiln body is heated, in addition the mud in air inlet pipe is tentatively heated from the high temperature hot gas of secondary combustion chamber through pre-hot-flow flue, mud can be broken up to pyrolysis kiln body by the instantaneous high pressure that puff prot produces simultaneously, improves preheating and the decomposition efficiency of mud.
Claims (9)
- null1. a pyrolyzing sludge incinerator，It is characterized in that，Including stand (12) and can along own axes rotate revolution kiln body (5)，Described stand (12) is provided with the kiln head cover being rotationally connected with the kiln hood end (501) turning round kiln body (5) and the kiln hood (3) being rotationally connected with the kiln tail end (502) turning round kiln body (5)，The bottom of kiln head cover (6) is provided with discharging opening (6a)，Kiln hood (3) top is provided with air outlet (301)，Stand (12) is provided with the blast pipe mechanism (7) of kiln hood end (501) air inlet to revolution kiln body (5)，Internal being provided with of revolution kiln body (5) can with the pyrolysis kiln body (4) of revolution kiln body (5) synchronous axial system，Pyrolysis kiln body (4) is located at turn around the kiln tail end (502) of kiln body (5) and the length of pyrolysis kiln body (4) length less than revolution kiln body (5)，Stand (12) is provided with the charger (2) to pyrolysis kiln body (4) interior charging and the secondary combustion chamber (1) connected with air outlet (301).
- 2. a kind of pyrolyzing sludge incinerator according to claim 1, it is characterized in that, described revolution kiln body (5) is arranged in stand (12) surface thereof, the kiln tail end (502) of revolution kiln body (5) is higher than the kiln hood end (501) of revolution kiln body (5), pyrolysis kiln body (4) is coaxially arranged with revolution kiln body (5), is provided with preheating chamber (5c) between pyrolysis kiln body (4) and revolution kiln body (5).
- 3. a kind of pyrolyzing sludge incinerator according to claim 1 and 2, it is characterized in that, described blast pipe mechanism (7) includes travelling carriage (7a) and some parallel blast pipes (7c), the side of travelling carriage (7a) is provided with the rotation seat (7b) to blast pipe (7c) axially location, blast pipe (7c) is provided with volume damper (7d) in the inside of one end, gas outlet, stand (12) is provided with the guide rail (12a) being slidably matched with travelling carriage (7a), and travelling carriage (7a) is provided with the travelling carriage motor (701) driving travelling carriage (7a) to move along slide rail.
- 4. a kind of pyrolyzing sludge incinerator according to claim 3, it is characterized in that, the pivot center of described rotation seat (7b) is parallel with the axis of blast pipe (7c), described blast pipe (7c) is arranged around the pivot center of rotation seat (7b), and described travelling carriage (7a) is provided with the rotation seat motor (702) driving rotation seat (7b) to rotate.
- 5. a kind of pyrolyzing sludge incinerator according to claim 3, it is characterized in that, described stand (12) is provided with positioning seat (13) in the one end near blast pipe (7c) air inlet, described positioning seat (13) and support are rotationally connected, and positioning seat (13) is provided with the pilot hole being slidably matched with blast pipe (7c).
- 6. a kind of pyrolyzing sludge incinerator according to claim 1 and 2, it is characterized in that, described stand (12) is provided with the rotary kiln motor (10) driving rotary kiln body (5) to rotate, revolution kiln body (5) lateral wall is provided with along turning round kiln body (5) gear ring (5b) circumferentially, and the output shaft of described rotary kiln motor (10) is provided with and the gear of gear ring (5b) engaged transmission.
- 7. a kind of pyrolyzing sludge incinerator according to claim 1 and 2, it is characterized in that, described charger (2) includes feeding warehouse (2b), feed pipe (2a) and the feed worm (2f) being arranged in feed pipe (2a), described charger (2) is provided with the screw rod motor driving feed worm (2f) to rotate, and described feed pipe (2a) extends to form charging aperture to pyrolysis kiln body (4) is internal.
- 8. a kind of pyrolyzing sludge incinerator according to claim 1 and 2, it is characterized in that, the charging aperture of described feed pipe (2a) is provided with some feed-inputing branched pipes (201) connected with charging aperture, feed-inputing branched pipe (201) is arranged radially on charging aperture, the charging aperture of feed pipe (2a) is provided with the puff prot (14) given vent to anger to feed-inputing branched pipe (201), is provided with hot gas path and can provide the blower fan (17) of air pressure to puff prot (14) between gas outlet and the puff prot (14) of described secondary combustion chamber (1).
- 9. a kind of pyrolyzing sludge incinerator according to claim 1 and 2, it is characterized in that, described hot gas path includes pre-hot-flow flue (15) and the connecting tube (16) connected with blower fan (17), described pre-hot-flow flue (15) is around feed pipe (2a) outer wall helix shape, the air inlet of described pre-hot-flow flue (15) connects with connecting tube (16), and the gas outlet of pre-hot-flow flue (15) connects with puff prot (14).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150301.1A CN105805765B (en) | 2016-03-16 | 2016-03-16 | A kind of pyrolyzing sludge incinerator |
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| CN201610150301.1A CN105805765B (en) | 2016-03-16 | 2016-03-16 | A kind of pyrolyzing sludge incinerator |
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| CN105805765B CN105805765B (en) | 2018-10-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420916A (en) * | 2017-06-22 | 2017-12-01 | 浙江三联环保科技股份有限公司 | A kind of sludge rotates pyrolyzed structure |
| CN108251148A (en) * | 2018-01-17 | 2018-07-06 | 广州市元迪环境技术有限公司 | A kind of dangerous waste, solid waste oil-containing mud sand Thermal desorption comprehensive utilization method of disposal |
| CN113970103A (en) * | 2020-07-22 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Embedded type kiln body air inlet dangerous waste incineration system and incineration method thereof |
| CN113970104A (en) * | 2020-07-22 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Shaft type kiln body air inlet dangerous waste incineration system and dangerous waste incineration method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113970103A (en) * | 2020-07-22 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Embedded type kiln body air inlet dangerous waste incineration system and incineration method thereof |
| CN113970104A (en) * | 2020-07-22 | 2022-01-25 | 中冶长天国际工程有限责任公司 | Shaft type kiln body air inlet dangerous waste incineration system and dangerous waste incineration method |
| CN113970104B (en) * | 2020-07-22 | 2023-06-23 | 中冶长天国际工程有限责任公司 | Dangerous waste incineration system and method for shaft kiln body air inlet |
| CN113970103B (en) * | 2020-07-22 | 2023-10-27 | 中冶长天国际工程有限责任公司 | Dangerous waste incineration system and incineration method for embedded kiln body air inlet |
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