CN107218803A - A kind of high rotary kiln of thermal efficiency - Google Patents

A kind of high rotary kiln of thermal efficiency Download PDF

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Publication number
CN107218803A
CN107218803A CN201710523467.8A CN201710523467A CN107218803A CN 107218803 A CN107218803 A CN 107218803A CN 201710523467 A CN201710523467 A CN 201710523467A CN 107218803 A CN107218803 A CN 107218803A
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CN
China
Prior art keywords
chamber
heat exchange
kiln
expansion chamber
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201710523467.8A
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Chinese (zh)
Inventor
贾鹏
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Shanghai Ke Laipu Energy Technology Co Ltd
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Shanghai Ke Laipu Energy Technology Co Ltd
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Priority to CN201710523467.8A priority Critical patent/CN107218803A/en
Publication of CN107218803A publication Critical patent/CN107218803A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/34Arrangements of heating devices
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00Lime, magnesia or dolomite
    • C04B2/10Preheating, burning calcining or cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B7/00Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/36Arrangements of air or gas supply devices
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/40Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

A kind of high rotary kiln of thermal efficiency, including kiln body, support meanss, combustion chamber, heat exchange expansion chamber, dielectric chamber, dust-precipitator, circulating fan, cooling device, kiln body set material inlet, material outlet, material outlet connection cooling device;Kiln body also sets up heating medium inlet, Crude product input;Combustion chamber heat exchange expansion chamber, the top of heat exchange expansion chamber sets dielectric chamber, and heat pipe is set between dielectric chamber and heat exchange expansion chamber;The media outlet of dielectric chamber is communicated to the heating medium inlet of kiln body, and Crude product input is connected to the medium inlet of dielectric chamber by circulation line, and high temperature circulation blower fan is arranged on circulation line;The expansion chamber that exchanges heat sets exhanst gas outlet, and exhanst gas outlet connects chimney by pipeline communication dust-precipitator, dust-precipitator by air-introduced machine.Pure gas, for circulating pyrolysis material, will not bring other impurities in heat pipe group of the flue gas of the present invention through heat exchange expansion chamber, heating dielectric chamber, have the advantages that heat utilization efficiency height, product purity are high.

Description

A kind of high rotary kiln of thermal efficiency
Technical field
The present invention relates to industrial furnace equipment field, the high rotary kiln of specifically a kind of thermal efficiency.
Background technology
Industrial Stoves are the heats converted using fuel combustion or electric energy, by material or workpiece heat in the industrial production Thermal Equipment.Rotary kiln is that a kind of wide Novel furnace is applied in industrial furnace, with being heated evenly, the thermal efficiency is high, It can continuously produce, the advantages of product burning quality is good, be widely used in the industry such as metallurgy, chemical industry, building refractory material, environmental protection.
Rotary kiln is made up of cylinder, support meanss, transmission device, kiln hood, kiln tail and sealing device, and cylinder has a constant inclination Rake angle carry out gyration, material in the hollow kiln thorax of cylinder not only along the circumferential direction rolling but also vertically(From high-end to low side) Mobile, the flue gas that fuel combustion is produced is from kiln thorax through calcining or reducing material.During rotary kiln heated material, it is processed Material and burning in the operation of same kiln thorax, the harmful substance in fuel be attached to be calcined or reducing material on, while production of burning Raw dust falls on material, influence calcining or the quality for going back original product;In addition, the flue gas after burning is produced with decomposition of limestone Carbon dioxide mix together, be unfavorable for the recovery and utilization of limestone calcination byproduct carbon dioxide, therefore can not be direct For carrying out coking, coal gasification or semi-coke production.
The A of Publication No. CN 104792154 Chinese invention patent application disclose " a kind of dividing wall type rotary kiln device, Including rotary kiln, fume afterheat generating equipment, gas recycling equipment, cooler, combustion fan, feeding system and waste gas row Place system.The masonry of resistance to material of kiln body is the hollow-core construction being made up of the inner cylinder of resistance to material and the outer barrel of resistance to material.The center for the inner cylinder of resistance to material is kiln It is material channel between thorax, the inner cylinder of resistance to material and the outer barrel of resistance to material, material channel is supported or the refractory masonry containing passage provided with resistance to material. Charging (feeding) equipment is provided with decomposed gas outlet, and decomposed gas outlet is connected to gas by raw material preheating storehouse or partition preheater and reclaimed Processing equipment, kiln thorax is connected to fume afterheat generating equipment by kiln head cover." patent application set by Yao Bi and coaxial The kiln body that the inner cylinder of resistance to material and the outer barrel of resistance to material installed are constituted, it is to avoid flue gas and material directly contact, improves and is heated or calcines The quality of product, is conducive to recycling the economic benefit of decomposition gas, increase by-product income and enterprise.
Above-mentioned patent application still has certain difficulty in practical operation:Building the kiln body of partition form by laying bricks or stones has very big block Difficulty is built, brick differs greatly after forming by a firing, when building by laying bricks or stones, higher to construction process requirement, often have the situation of clip; And brickwork joint is larger, it is impossible to reliable sealing, easy brick obscission, once falling brick situation when equipment works, it will influence whole The stable operation of individual equipment, risk is larger;And to resistance to material require it is very high, it is necessary to mould it is also very complicated, construction cost is very big Increase.
The content of the invention
The technical problem to be solved in the invention is to provide a kind of high rotary kiln of thermal efficiency, by providing clean to rotary kiln Net heating medium, free from admixture doping, improves product purity.
In order to solve the above technical problems, the technical solution adopted in the present invention is:
A kind of high rotary kiln of thermal efficiency, including kiln body, support meanss, transmission device and sealing device, in addition to combustion chamber, change Hot expansion chamber, dielectric chamber, dust-precipitator, circulating fan, cooling device,
The kiln tail end of the kiln body sets material inlet, and the kiln hood end of kiln body sets material outlet, and material outlet connection cooling is set It is standby;The kiln hood end of the kiln body sets heating medium inlet, and the kiln tail end of kiln body sets Crude product input;The combustion chamber is set Put burner, combustion chamber heat exchange expansion chamber, the top of heat exchange expansion chamber sets dielectric chamber, dielectric chamber and heat exchange expansion chamber it Between set heat exchange heat pipe;The media outlet of the dielectric chamber is communicated to the heating medium inlet of kiln body, and the heating of kiln body is situated between Matter exports the medium inlet that dielectric chamber is connected to by circulation line, and circulating fan is arranged on circulation line;The heat exchange is heavy Drop room and exhanst gas outlet is set, exhanst gas outlet connects chimney by pipeline communication dust-precipitator, dust-precipitator by air-introduced machine.
Further improvement of the present invention is:Set on pipeline between the medium inlet of the circulating fan and dielectric chamber Circulatory mediator detector.
Further improvement of the present invention is:Whirlwind is set on pipeline between the Crude product input and circulating fan Dust-precipitator, the bottom of rotoclone collector sets dust stratification case.
Further improvement of the present invention is:Set air pre- between the exhanst gas outlet and dust-precipitator of the heat exchange expansion chamber Hot device, air preheater sets adjacent smoke chamber and air chamber, and the entrance of smoke chamber connects the exhanst gas outlet of heat exchange expansion chamber, The outlet connection dust-precipitator of smoke chamber, the cold wind outlet of the entrance connection cooling device of air chamber, the outlet connection combustion of air chamber The combustion-supporting gas entrance of burner, sets the heat pipe of heat exchange between smoke chamber and air chamber.
Further improvement of the present invention is:Heat pipe between the heat exchange expansion chamber and dielectric chamber is ceramic heat pipe, institute Cooling device is stated for grate-cooler.
Further improvement of the present invention is:The middle part of the combustion chamber sets burner, and the top of combustion chamber, which is set, to be connected The passage of logical heat exchange expansion chamber, the bottom of heat exchange expansion chamber sets exhanst gas outlet.
The present invention further improvement is that:The inwall coating high temperature resistant heat insulation material of the rotary kiln, material inlet input Lime stone, material outlet collects lime, and the circulatory mediator is carbon dioxide, and the operating temperature of circulating fan is 1000-1100 DEG C, it is provided for collecting the titanium dioxide of gas on the pipeline between the medium inlet of the circulating fan and dielectric chamber by branch pipe Carbon dioxide detector, air pump are set on carbon container, branch pipe.
The present invention is after adopting the above technical scheme, the effect with following technological progress:
The present invention enters heat exchange expansion chamber, one carrys out the drastically change by flow direction by producing high warm flue gas in burner, Flying dust is set to produce sedimentation;Two come by the first high-efficiency ceramic heat pipe group, and the clean gas of opposite heat tube group's opposite side is heated, heat Gas enters rotary kiln under the pulling of high temperature circulation blower fan, and heat resolve is carried out to the material flowed in opposite directions in rotary kiln, with Gas enters after rotoclone collector removes most of dust and enters high temperature circulation blower fan afterwards, enters again under the promotion of circulating fan Enter dielectric chamber to be heated, such circulating repetition above step.The flue gas that present invention burning is produced is by heat exchange expansion chamber After heat pipe group, pure gas is heated, for circulating pyrolysis material, other impurities will not be brought;Pass through air preheater afterwards Heat pipe group fully absorb after heat, up to standard be discharged into air after bag filter filtering is entered in the case of ensureing not condense; Have the advantages that heat utilization rate height, product purity are high.
Brief description of the drawings
Fig. 1 is the schematic diagram of an embodiment of the present invention.
Each label is expressed as in figure:1st, combustion chamber, 2, heat exchange expansion chamber, 3, dielectric chamber, 4, heat pipe, 5, rotary kiln, 6, stone Lime stone, 7, dust stratification case, 8, rotoclone collector, 9, circulating fan, 10, carbon dioxide detector, 11, air pump, 12, carbon dioxide storage Gas holder, 13, burner, 14, grate-cooler, 15, blower fan, 16, cold air, 17, smoke chamber, 18, air chamber, 19, dust-precipitator, 20, Air-introduced machine, 21, chimney.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further details to the present invention:
Embodiment 1
A kind of high rotary kiln of thermal efficiency, including kiln body, support meanss, transmission device, sealing device, combustion chamber 1, heat exchange sedimentation Room 2, dielectric chamber 3, dust-precipitator 19, circulating fan 9, cooling device.
The inwall coating high temperature resistant heat insulation material of the rotary kiln 5, the kiln tail end of kiln body sets material inlet, the kiln of kiln body Head end sets material outlet, material outlet connection cooling device.The kiln hood end of the kiln body sets heating medium inlet, kiln body Kiln tail end sets Crude product input.
The middle part of the combustion chamber 1 sets burner 13, and burner 13 is using coal dust and combustion air as fuel.Combustion chamber 1 Top by passage connection heat exchange expansion chamber 2, heat exchange expansion chamber 2 top set dielectric chamber 3, dielectric chamber 3 with heat exchange settle The ceramic heat pipe of heat exchange is set between room 2.The dioxy that the medium inlet of the dielectric chamber 3 is added in carbon dioxide, dielectric chamber 3 Change after carbon is heated and rotary kiln is entered by media outlet.Lime stone 6, lime stone are put into by the material inlet of rotary kiln tail end It is pyrolyzed by the carbon dioxide of the heating of adverse current, lime is collected from kiln hood end material outlet, cooling device grate-cooler 14 passes through blower fan 15 introduce cold air 16, and cool lime is active lime.CO 2 medium and the lime stone pyrolysis being utilized in kiln body Carbon dioxide afterwards is brought out by the Crude product input at kiln tail end.The Crude product input of kiln body is connected by circulation line To the medium inlet of dielectric chamber 3, to participate in circulation again.Set gradually on the circulation line from Crude product input one end Rotoclone collector 8, circulating fan 9 and recovery branch pipe.Rotoclone collector 8 is received the dust in carbon dioxide by cyclonic separation To dust stratification case 7.The traction carbon dioxide recycle of circulating fan 9 participates in rotary kiln 5 and worked.For reclaim carbon dioxide, circulating fan 9 with It is provided for collecting by branch pipe on pipeline between the medium inlet of dielectric chamber 3 on the carbon dioxide container 12 of gas, branch pipe Carbon dioxide detector 10, air pump 11 are set.
The bottom of the heat exchange expansion chamber 2 sets exhanst gas outlet, and exhanst gas outlet passes through pipeline communication dust-precipitator 19, dust-precipitator 19 connect chimney 21 by air-introduced machine 20.Air preheat is set between the exhanst gas outlet and dust-precipitator 19 of the heat exchange expansion chamber 2 Device, air preheater sets adjacent smoke chamber 17 and air chamber 18.The flue gas of the entrance connection heat exchange expansion chamber 2 of smoke chamber 17 Outlet, the outlet connection dust-precipitator 19 of smoke chamber 17, the cold wind outlet of the entrance connection cooling device of air chamber 18, air chamber 18 Outlet connection burner 13 combustion-supporting gas entrance, between smoke chamber 17 and air chamber 18 set heat exchange heat pipe 4, utilize The waste heat of heat pipe fully secondary utilization flue gas, plays combustion-supporting effect.
The workflow of the present invention is as follows, gas trend:The system produces 1400 DEG C or so by burner combustion coal dust Heat smoke, enters heat exchange expansion chamber, and one carrys out the drastically change by flow direction, flying dust is produced sedimentation;Two come high by first Ceramic heat pipe group is imitated, the clean gas of opposite heat tube group's opposite side is heated, and the hot gas for producing 1100 DEG C or so is followed in high temperature Enter rotary kiln under the pulling of ring blower fan, heat resolve is carried out to the lime stone flowed in opposite directions in rotary kiln, subsequent gas enters Rotoclone collector enters high temperature circulation blower fan after removing most of dust, now about 600 DEG C or so of gas temperature, in circulated air Dielectric chamber is again introduced under the promotion of machine to be heated, such circulating repetition above step.
In the circulation of this clean gas, the progress reacted with decomposition of limestone, air pressure can gradually rise, for system The need for safety and collection carbon dioxide, in the case where ensureing system pressure-fired, carbon dioxide detector monitoring gas Pressure and concentration, are discharged into carbon dioxide gas storage holder by the air pump of interlocking by portion gas in good time.
For the active lime of kiln discharge, quickly cooled down by the blower fan of grate-cooler, gained hot gas is by second warm Nest of tubes is absorbed after fume afterheat, enters combustion chamber as oxygen-containing sufficient preheated air.
Flue gas produced by burning by first, second heat pipe group after heat is fully absorbed, the feelings not condensed in guarantee It is up to standard after being filtered under condition into bag filter to be discharged into air.
Material is moved towards:Lime stone is fed by kiln tail, is filled by the hot gas with 1100 DEG C or so of reverse flow in rotary kiln Divide and carry out after heat exchange, realize preheating, decompose, generation active lime.900 DEG C or so of active lime enters cooling from kiln hood Machine, in the case where 10-30 DEG C or so of air of environment temperature is cooled down ,+60 DEG C of environment temperature is down to by the temperature of active lime, due to It is extremely cold cooling, also preferably ensure that the activity of lime.

Claims (7)

1. a kind of high rotary kiln of thermal efficiency, including kiln body, support meanss, transmission device and sealing device, it is characterised in that:Also Including combustion chamber(1), heat exchange expansion chamber(2), dielectric chamber(3), dust-precipitator(19), circulating fan(9), cooling device,
The kiln tail end of the kiln body sets material inlet, and the kiln hood end of kiln body sets material outlet, and material outlet connection cooling is set It is standby;The kiln hood end of the kiln body sets heating medium inlet, and the kiln tail end of kiln body sets Crude product input;The combustion chamber (1)Burner is set(13), combustion chamber(1)Connection heat exchange expansion chamber(2), exchange heat expansion chamber(2)Top set dielectric chamber (3), dielectric chamber(3)With heat exchange expansion chamber(2)Between set heat exchange heat pipe(4);The dielectric chamber(3)Media outlet connect The heating medium inlet of kiln body is led to, the Crude product input of kiln body is connected to dielectric chamber by circulation line(3)Medium enter Mouthful, circulating fan(9)On circulation line;The heat exchange expansion chamber(2)Exhanst gas outlet is set, and exhanst gas outlet passes through pipeline Connect dust-precipitator(19), dust-precipitator(19)Pass through air-introduced machine(20)Connect chimney(21).
2. a kind of high rotary kiln of thermal efficiency according to claim 1, it is characterised in that:The circulating fan(9)With Jie Matter room(3)Medium inlet between pipeline on set circulatory mediator detector.
3. a kind of high rotary kiln of thermal efficiency according to claim 2, it is characterised in that:The Crude product input is with following Ring blower fan(9)Between pipeline on rotoclone collector is set(8), rotoclone collector(8)Bottom set dust stratification case(7).
4. a kind of high rotary kiln of thermal efficiency according to claim 1 or 2, it is characterised in that:The heat exchange expansion chamber(2) Exhanst gas outlet and dust-precipitator between air preheater is set, air preheater sets adjacent smoke chamber(17)And air chamber (18), smoke chamber(17)Entrance connection heat exchange expansion chamber exhanst gas outlet, smoke chamber(17)Outlet connection dust-precipitator, air Room(18)Entrance connection cooling device cold wind outlet, air chamber(18)Outlet connection burner combustion-supporting gas entrance, Smoke chamber(17)And air chamber(18)Between set heat exchange heat pipe(4).
5. a kind of high rotary kiln of thermal efficiency according to claim 1 or 2, it is characterised in that:The heat exchange expansion chamber(2) With dielectric chamber(3)Between heat pipe be ceramic heat pipe, the cooling device be grate-cooler(14).
6. a kind of high rotary kiln of thermal efficiency according to claim 1 or 2, it is characterised in that:The combustion chamber(1)In Portion sets burner, combustion chamber(1)Top set connection heat exchange expansion chamber(2)Passage, exchange heat expansion chamber(2)Bottom set Put exhanst gas outlet.
7. a kind of high rotary kiln of thermal efficiency according to claim 6, it is characterised in that:The rotary kiln(5)Inwall High temperature resistant heat insulation material is coated, material inlet input lime stone, material outlet collects lime, and the circulatory mediator is titanium dioxide Carbon, the operating temperature of circulating fan is 1000-1100 DEG C, the circulating fan(9)With dielectric chamber(3)Medium inlet between It is provided for collecting the carbon dioxide container of gas on pipeline by branch pipe(12), carbon dioxide detector is set on branch pipe (10), air pump(11).
CN201710523467.8A 2017-06-30 2017-06-30 A kind of high rotary kiln of thermal efficiency Pending CN107218803A (en)

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CN201710523467.8A CN107218803A (en) 2017-06-30 2017-06-30 A kind of high rotary kiln of thermal efficiency

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109282641A (en) * 2018-08-28 2019-01-29 江苏金牛环保工程设备有限公司 A kind of solid abraum salt pyrolitic oxidation rotary kiln special
CN110617712A (en) * 2019-10-20 2019-12-27 单系夫 Carbon raw material rotary calcining method and device
CN113566563A (en) * 2021-06-16 2021-10-29 福建三明南方水泥有限公司 Combustion control method of intelligent rotary kiln
CN114231304A (en) * 2021-12-17 2022-03-25 厦门大学 Internal circulation biomass carbonization device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT77253A (en) * 1982-09-02 1983-09-01 Smidth & Co As F L Apparatus for burning pulverulent raw material
CN201522188U (en) * 2009-11-13 2010-07-07 宁夏华亿镁业股份有限公司 Flame-isolated rotary kiln for calcining dolomite
CN102745925A (en) * 2012-07-20 2012-10-24 息烽捷浪建材开发有限公司 Rotary kiln for ardealite calcination
CN102875036A (en) * 2012-10-24 2013-01-16 石家庄市新华工业炉有限公司 Heat storage type lime rotary kiln
CN205717230U (en) * 2016-04-26 2016-11-23 扬州正宇锅炉有限公司 One way of life refuse disposal system
CN106287734A (en) * 2016-09-05 2017-01-04 重庆科技学院 Stoker fired grate formula refuse gasification CIU and synthesis gas parameter feedback burner
CN106590700A (en) * 2016-10-27 2017-04-26 武汉钢铁股份有限公司 Waste heat and waste energy comprehensive utilization system of dry quenching unit
CN206891154U (en) * 2017-06-30 2018-01-16 上海柯来浦能源科技有限公司 A kind of high rotary kiln of thermal efficiency

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT77253A (en) * 1982-09-02 1983-09-01 Smidth & Co As F L Apparatus for burning pulverulent raw material
CN201522188U (en) * 2009-11-13 2010-07-07 宁夏华亿镁业股份有限公司 Flame-isolated rotary kiln for calcining dolomite
CN102745925A (en) * 2012-07-20 2012-10-24 息烽捷浪建材开发有限公司 Rotary kiln for ardealite calcination
CN102875036A (en) * 2012-10-24 2013-01-16 石家庄市新华工业炉有限公司 Heat storage type lime rotary kiln
CN205717230U (en) * 2016-04-26 2016-11-23 扬州正宇锅炉有限公司 One way of life refuse disposal system
CN106287734A (en) * 2016-09-05 2017-01-04 重庆科技学院 Stoker fired grate formula refuse gasification CIU and synthesis gas parameter feedback burner
CN106590700A (en) * 2016-10-27 2017-04-26 武汉钢铁股份有限公司 Waste heat and waste energy comprehensive utilization system of dry quenching unit
CN206891154U (en) * 2017-06-30 2018-01-16 上海柯来浦能源科技有限公司 A kind of high rotary kiln of thermal efficiency

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109282641A (en) * 2018-08-28 2019-01-29 江苏金牛环保工程设备有限公司 A kind of solid abraum salt pyrolitic oxidation rotary kiln special
CN110617712A (en) * 2019-10-20 2019-12-27 单系夫 Carbon raw material rotary calcining method and device
CN113566563A (en) * 2021-06-16 2021-10-29 福建三明南方水泥有限公司 Combustion control method of intelligent rotary kiln
CN114231304A (en) * 2021-12-17 2022-03-25 厦门大学 Internal circulation biomass carbonization device

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