CN203474652U - Heat accumulating type lime rotary kiln - Google Patents

Heat accumulating type lime rotary kiln Download PDF

Info

Publication number
CN203474652U
CN203474652U CN201320469759.5U CN201320469759U CN203474652U CN 203474652 U CN203474652 U CN 203474652U CN 201320469759 U CN201320469759 U CN 201320469759U CN 203474652 U CN203474652 U CN 203474652U
Authority
CN
China
Prior art keywords
thermophore
rotary kiln
gas
kiln
heat
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.)
Active
Application number
CN201320469759.5U
Other languages
Chinese (zh)
Inventor
贾会平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shijiazhuang Xinhua Energy Environmental Protection Technology Co Ltd
Original Assignee
Shijiazhuang Xinhua Energy Environmental Protection Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shijiazhuang Xinhua Energy Environmental Protection Technology Co Ltd filed Critical Shijiazhuang Xinhua Energy Environmental Protection Technology Co Ltd
Priority to CN201320469759.5U priority Critical patent/CN203474652U/en
Application granted granted Critical
Publication of CN203474652U publication Critical patent/CN203474652U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Abstract

The utility model relates to a heat accumulating type lime rotary kiln which comprises two rotary kilns, two heat accumulators, an air blower, a cooler, a cooling fan, a feeding device, a discharge device and a waste gas discharge system, wherein the two rotary kilns are symmetrically arranged left and right or arranged in a asymmetrical way; the two heat accumulators are respectively arranged at the two sides of the rotary kilns; the lower parts of the heat accumulators are connected with the rotary kilns by kiln heads; the two rotary kilns are connected with the cooler by kiln tail covers; the heat accumulators respectively have a sleeve type structure; ring-shaped space is formed between an outer barrel and an inner barrel; the lower part of the ring-shaped space is connected with the rotary kilns by the kiln heads; each heat accumulator is divided into an air heat accumulation chamber and a gas heat accumulation chamber by a partition, wherein the air heat accumulation chamber is provided with an air collection chamber, and the gas heat accumulation chamber is provided with a gas collection chamber. According to the heat accumulating type lime rotary kiln, a material is preheated by tail gas, and gas and air are preheated by the processed material, so that the burning temperature of fuel is increased, the waste heat is fully utilized, the energy consumption is reduced, and the production capacity of the lime rotary kiln is improved.

Description

A kind of heat accumulating type lime rotary kiln
Technical field
The utility model belongs to industrial furnace technical field, relates to a kind of rotary kiln, is specifically related to a kind of heat accumulating type lime rotary kiln.
Background technology
Rotary kiln refers to rotary calcining kiln, and lime rotary kiln is to use the kiln of calcining more widely small particles material, is applicable to being applied to vast iron and steel, calcium carbide chemical industry, nonferrous production enterprise.Fine fraction raw material limestone or light dolomite that can dinectly bruning 10-40mm, have the advantages that adaptability to raw material is good, output is large, product is even, activity degree is high, production operation is stable.Rotary structure is simple, and air-flow is unimpeded, and sulfur-containing smoke gas can be discharged in time, and the sulfur in fuel is difficult for adhering to, thereby calcining finished product sulphur content is low, and purity is high, meets the specification of quality of finished product.In addition, material is along the circumferential direction rolling both, moves vertically again, be heated evenly, and combustion unit easy control of temperature, burning quality is good and stable, more than Product Activity Du Keda 360ml.
Because rotary kiln energy expenditure is large, seriously restrict popularization and the development of rotary kiln.Application number is that 200920227150.0 Chinese utility model patent discloses a kind of " calcination system of energy-saving rotary kiln ", and " calcined by rotary kiln system comprises rotary kiln to this patent, and fuel gas enters from rotary kiln low side, brings out from rotary kiln is high; Raw material enters from rotary kiln is high-end, brings out from rotary kiln is low, it is characterized in that: the high-end Yu Yi of the rotary kiln heat recovery chamber ,Gai heat recovery chamber inside that communicates is provided with the feeding preheating pipe communicating with rotary kiln, and raw material enters rotary kiln after the preheating of feeding preheating pipe.So design, raw material, before entering rotary kiln, is dried and heats up.”。In this patent, preheating tube preheating material recovered energy is limited, saves the energy and also has sufficient space, and the rotary kiln of this patent is single rotary kiln in addition, is unfavorable for expanding production capacity.
Summary of the invention
The purpose of this utility model is to provide a kind of heat accumulating type lime rotary kiln, by two rotary kilns, combine with thermophore, make full use of waste heat preheated fuel gas and the air of tail gas, reduce energy expenditure, improve the temperature of combustion of low calorie fuels, expand the throughput of lime rotary kiln.
The utility model heat accumulating type returns lime rotary kiln, comprises two rotary kilns, two thermophore, gas blower, water cooler, cooling blower, charging equipment, discharging equipment and exhaust emission systems.Cooling blower is connected with water cooler, and water cooler is connected with discharging equipment.Two rotary kilns are symmetrically arranged or asymmetric arrangement, and two thermophore lay respectively at the both sides of rotary kiln.Thermophore top is provided with opening for feed, and opening for feed is connected with charging equipment.Thermophore is telescoping structure, comprises urceolus and inner core, is annular space between urceolus and inner core, and the bottom of annular space is connected with rotary kiln by kiln hood, and both sides rotary kiln is connected to water cooler by kiln hood.Thermophore is provided with 2~10 pushing devices, and described pushing device is with pushing plate.Thermophore is divided into air regenerator and regenerator gas chamber by partition wall, and air regenerator is provided with air collection chamber, and regenerator gas chamber is provided with combustion gas collection chamber.Air collection chamber is connected with gas inlet, and combustion gas collection chamber is connected with fuel gas inlet.Gas inlet is connected with exhaust emission system with gas blower by air T-valve, and fuel gas inlet is connected with exhaust emission system with gas line by gas tee valve.The lower part outlet of air regenerator and regenerator gas chamber is provided with burner.
Partition wall is hollow structure, by heat-stable material, is built by laying bricks or stones and is formed, the middle cavity for heat-eliminating medium circulation.The top of inner core is pyramidal structure, and bottom is circular configuration.Air collection chamber and combustion gas collection chamber are semicircular structure.Kiln hood is provided with auxiliary burning nozzle.As thermophore, also can replace telescoping structure by two circular configurations arranged side by side.
Another program of the present utility model is that heat accumulating type lime rotary kiln comprises two rotary kilns, two thermophore, gas blower, water cooler, cooling blower, charging equipment, discharging equipment and exhaust emission systems.Cooling blower is connected with water cooler, and water cooler is connected with discharging equipment, and two rotary kilns are symmetrically arranged or asymmetric arrangement, and two thermophore lay respectively at the both sides of rotary kiln.Thermophore top is provided with opening for feed, and opening for feed is connected with charging equipment.Thermophore is telescoping structure, comprises urceolus and inner core, is annular space between urceolus and inner core, and the bottom of annular space is connected with rotary kiln by kiln hood, and both sides rotary kiln is connected to water cooler by kiln hood.Thermophore is provided with 2~10 pushing devices, and pushing device is with pushing plate.Regenerator top is provided with T-valve, and a mouth of T-valve is connected with fuel conduit, and another mouthful is connected with exhaust emission system.Kiln hood is provided with auxiliary burning nozzle.
Kiln hood is provided with turbulence structure, for air, fully mixes with combustion gas.
The utility model heat accumulating type lime rotary kiln, by increasing the thermophore of telescoping structure, the tail gas preheating material to be machined that utilizes calcination process to produce, material to be machined preheated fuel gas and air after recycling pre-heating temperature elevation, temperature of combustion and the thermo-efficiency of fuel have been improved, take full advantage of waste heat, reduced energy expenditure, expanded the throughput of lime rotary kiln.Thermophore adopts telescoping structure, and heat-transfer effect is good, is conducive to the even preheating of material to be machined.By two rotary kilns of kiln hood, combine with thermophore, be conducive to the stability of raw material preheating and lime production, be conducive to improve the working ability of lime rotary kiln.Kiln hood adds auxiliary burning nozzle, has increased turndown ratio.Thermophore is separated air regenerator and regenerator gas chamber by partition wall, prevents from collaborating, and has improved the security of thermophore.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model heat accumulating type lime rotary kiln;
Fig. 2 is the A-A figure of Fig. 1;
Fig. 3 is the structural representation of another embodiment of the utility model.
Wherein:
1-charging equipment, 2-thermophore, 3-gas inlet, 4-air regenerator, 5-pushing device, 6-valve, 7-auxiliary burning nozzle, 8-opening for feed, 9-gas tee valve, 10-air T-valve, 11-T-valve, 12-exhaust emission system, 13-heat-eliminating medium entrance, the outlet of 14-heat-eliminating medium, 15-fuel gas inlet, 16-gas blower, 17-regenerator gas chamber, 18-rotary kiln, 19-kiln hood, 20-water cooler, 21-cooling blower, 22-discharging equipment, 23-kiln hood, 24-inner core, 25-partition wall, 26-air collection chamber, 27-combustion gas collection chamber, 28-heat-stable material, 29-burner, 30-feed valve.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment 1
The utility model heat accumulating type lime rotary kiln as shown in Figure 1, comprises two rotary kilns 18, two thermophore 2, gas blower 16, water cooler 20, cooling blower 21, charging equipment 1, discharging equipment 22 and exhaust emission systems 12.Cooling blower is connected with water cooler, and water cooler is connected with discharging equipment, and two rotary kilns are symmetrically arranged or asymmetric arrangement, and two thermophore lay respectively at the both sides of rotary kiln.Thermophore top is provided with opening for feed 8, and opening for feed is provided with feed valve 30, and opening for feed is connected with charging equipment.Thermophore 2 is telescoping structure, comprises urceolus and inner core 24, is annular space between urceolus and inner core, and the bottom of annular space is connected with rotary kiln by kiln hood, and both sides rotary kiln is connected to water cooler 20 by kiln hood 19.The top of inner core 24 is pyramidal structure, and bottom is circular configuration.Two thermophore are respectively equipped with 6 pushing devices 5, and pushing device is with pushing plate.As depicted in figs. 1 and 2, thermophore is divided into air regenerator 4 and regenerator gas chamber 17 by partition wall 25, and air regenerator is provided with air collection chamber 26, and regenerator gas chamber is provided with combustion gas collection chamber 27.Air collection chamber and combustion gas collection chamber are semicircular structure.Partition wall is hollow structure, by heat-stable material 28, is built by laying bricks or stones and is formed, the middle cavity for heat-eliminating medium circulation.Air collection chamber is connected with gas inlet 3, and combustion gas collection chamber is connected with fuel gas inlet 15.Gas inlet is connected with exhaust emission system with gas blower 16 by air T-valve 10, and fuel gas inlet is connected with exhaust emission system with gas line by gas tee valve 9.The lower part outlet of air regenerator and regenerator gas chamber is provided with burner 29, and kiln hood is provided with auxiliary burning nozzle 7, and auxiliary burning nozzle pipeline is provided with valve 6.
The operation scheme of heat accumulating type lime rotary kiln is, raw material limestone enters thermophore 2 through left side charging equipment 1, by partition wall 25 shuntings, enters respectively air regenerator 4 and regenerator gas chamber 17, and the cone through inner core 24 tops is evenly distributed on annular space.The tail gas of being come by left side rotary kiln 18 enters thermophore annular space through kiln hood 23, and the raw material limestone of air regenerator and regenerator gas chamber is carried out to preheating.Raw material limestone after preheating pushes kiln hood by pushing device 5, enters left side rotary kiln calcine through kiln hood.Lime after calcining, is sent cooling air by cooling blower 21 and the high temperature lime in water cooler is carried out cooling to water cooler 20 through kiln hood 19, and cooled lime goes out device through discharge port and discharging equipment 22.Gas operation scheme is that the air that gas blower 16 bloats enters air collection chamber 26 through right side air T-valve 10, gas inlet 3, then arrives right side air regenerator 4.Combustion gas enters combustion gas collection chamber 27 through right side gas tee valve 9, fuel gas inlet 15, then arrives regenerator gas chamber, right side 17.Air and combustion gas respectively in air regenerator and regenerator gas chamber by the preheating of raw material limestone institute.Air after preheating and combustion gas are burnt by the burner 29 in kiln hood, the flue gas producing enters right side rotary kiln the Wingdale in kiln is calcined, the tail gas producing mixes with the gas of cool lime in water cooler 20 through kiln hood 19, to left side rotary kiln, continue preheating limestone material, then raw material limestone the accumulation of heat of mixed gas in kiln hood and left side thermophore difference preheated air regenerator and regenerator gas chamber, the tail gas of emitting after heat discharges to exhaust emission system through gas tee valve 9 and air T-valve 10 respectively, the temperature of fume emission is lower than 150 ℃.Both sides rotary kiln hockets and calcines and preheating, the hocket accumulation of heat and emit heat preheated air and combustion gas of both sides thermophore, according to both sides smog discharge temperature, action by gas tee valve 9, air T-valve 10 and feed valve 30 realizes alternate run, and the design temperature of fume emission is 150 ℃.Auxiliary burning nozzle 7 is for aftercombustion.
Embodiment 2
Another embodiment of the utility model as shown in Figure 3, comprises two rotary kilns 18, two thermophore 2, water cooler 20, cooling blower 21, charging equipment 1, discharging equipment 22 and exhaust emission systems 12.Cooling blower is connected with water cooler, and water cooler is connected with discharging equipment, and two rotary kilns are symmetrically arranged or asymmetric arrangement, and two thermophore lay respectively at the both sides of rotary kiln.Thermophore top is provided with opening for feed 8, and opening for feed is connected with charging equipment.Thermophore is telescoping structure, comprises urceolus and inner core 24, is annular space between urceolus and inner core, and the bottom of annular space is connected with rotary kiln by kiln hood, and both sides rotary kiln is connected to water cooler by kiln hood 19.The top of inner core is pyramidal structure, and bottom is circular configuration.Both sides thermophore is respectively equipped with 4 pushing devices 5, and pushing device is with pushing plate.Regenerator top is provided with T-valve 11, and T-valve is connected with exhaust emission system and is connected with fuel conduit respectively.Kiln hood is provided with auxiliary burning nozzle 7.Kiln hood is provided with turbulence structure, for air, fully mixes with combustion gas.
The operation scheme of the present embodiment is, raw material limestone enters thermophore 2 through left side charging equipment 1, and the cone by inner core 24 tops is evenly distributed on annular space.The tail gas of being come by left side rotary kiln 18 enters thermophore annular space through kiln hood 23, and the raw material limestone in thermophore is carried out to preheating.Raw material limestone after preheating pushes kiln hood 23 by pushing device 5, enters left side rotary kiln calcine through kiln hood.Lime after calcining, is sent cooling air by cooling blower 21 and the high temperature lime in water cooler is carried out cooling to water cooler 20 through kiln hood 19, and cooled lime goes out device through discharge port and discharging equipment 22.Gas operation scheme is that the combustion gas of fuel conduit is arrived right side thermophore, the raw material limestone liberated heat institute preheating after being preheated through T-valve 11.Combustion gas after preheating enters right side rotary kiln through kiln hood and proceeds preheating material, the air mixed of cool lime in kiln hood and water cooler then, and mixed gas enters together left side rotary kiln and burns, the raw material limestone in the rotary kiln of calcining left side.Flue gas after calcining materials is through kiln hood to left side thermophore preheating material Wingdale, and the flue-gas temperature after preheating, lower than 150 ℃, is discharged to exhaust emission system 12 through T-valve 11.Both sides rotary kiln hocket calcining and preheating, the hocket accumulation of heat and emit heat preheated fuel gas of both sides thermophore, according to both sides smog discharge temperature, the action by T-valve realizes alternate run, and the design temperature of fume emission is 150 ℃.The present embodiment utilizes the high-temperature gas after cool lime to make combustion air, has reduced energy expenditure, has reduced exhaust gas emission, is conducive to save energy and reduce the cost, thereby increases economic efficiency.

Claims (8)

1. a heat accumulating type lime rotary kiln, comprise two rotary kilns (18), two thermophore (2), gas blower (16), water cooler (20), cooling blower (21), charging equipment (1), discharging equipment (22) and exhaust emission system (12), described cooling blower is connected with water cooler, water cooler is connected with discharging equipment, two rotary kilns are symmetrically arranged or asymmetric arrangement, and two thermophore lay respectively at the both sides of rotary kiln; Described thermophore top is provided with opening for feed (8), and opening for feed is connected with charging equipment; Described thermophore (2) is telescoping structure, comprises urceolus and inner core (24), is annular space between urceolus and inner core, and the bottom of described annular space is connected with rotary kiln by kiln hood, and both sides rotary kiln is connected to water cooler by kiln hood (19); Described thermophore is provided with 2~10 pushing devices (5), and described pushing device is with pushing plate; It is characterized in that: described thermophore (2) is divided into air regenerator (4) and regenerator gas chamber (17) by partition wall (25), and air regenerator is provided with air collection chamber (26), and regenerator gas chamber is provided with combustion gas collection chamber (27); Described air collection chamber is connected with gas inlet (3), and described combustion gas collection chamber is connected with fuel gas inlet (15); Gas inlet is connected with exhaust emission system with gas blower (16) by air T-valve (10), and fuel gas inlet is connected with exhaust emission system with gas line by gas tee valve (9); The lower part outlet of described air regenerator and combustion gas gas regenerator is provided with burner (29).
2. heat accumulating type lime rotary kiln according to claim 1, is characterized in that: described partition wall (25) is hollow structure, is built by laying bricks or stones and forms, the middle cavity for heat-eliminating medium circulation by heat-stable material (28).
3. heat accumulating type lime rotary kiln according to claim 1, is characterized in that: the top of described inner core (24) is pyramidal structure, and bottom is circular configuration.
4. heat accumulating type lime rotary kiln according to claim 1, is characterized in that: described air collection chamber (26) and combustion gas collection chamber (27) are semicircular structure.
5. heat accumulating type lime rotary kiln according to claim 1, is characterized in that: described kiln hood (23) is provided with auxiliary burning nozzle (7), and described opening for feed (8) is provided with feed valve (30).
6. heat accumulating type lime rotary kiln according to claim 1, is characterized in that: described thermophore (2) can also be replaced by the thermophore of two circular configurations arranged side by side the thermophore of telescoping structure.
7. a heat accumulating type lime rotary kiln, comprise two rotary kilns (18), two thermophore (2), water cooler (20), cooling blower (21), charging equipment (1), discharging equipment (22) and exhaust emission system (12), described cooling blower is connected with water cooler, water cooler is connected with discharging equipment, two rotary kilns are symmetrically arranged or asymmetric arrangement, and two thermophore lay respectively at the both sides of rotary kiln; Described thermophore top is provided with opening for feed (8), and opening for feed is connected with charging equipment; Described thermophore (2) is telescoping structure, comprises cylindrical shell and inner core (24), is annular space between cylindrical shell and inner core, and the bottom of described annular space is connected with rotary kiln by kiln hood, and both sides rotary kiln is connected to water cooler by kiln hood (19); Described thermophore is provided with 2~10 pushing devices (5), described pushing device is with pushing plate, it is characterized in that: described thermophore (2) top is provided with T-valve (11), a mouth of described T-valve is connected with fuel conduit, and another mouthful is connected with exhaust emission system; Described kiln hood is provided with auxiliary burning nozzle (7).
8. heat accumulating type lime rotary kiln according to claim 1, is characterized in that: described kiln hood (19) is provided with turbulence structure.
CN201320469759.5U 2013-08-03 2013-08-03 Heat accumulating type lime rotary kiln Active CN203474652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320469759.5U CN203474652U (en) 2013-08-03 2013-08-03 Heat accumulating type lime rotary kiln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320469759.5U CN203474652U (en) 2013-08-03 2013-08-03 Heat accumulating type lime rotary kiln

Publications (1)

Publication Number Publication Date
CN203474652U true CN203474652U (en) 2014-03-12

Family

ID=50223023

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320469759.5U Active CN203474652U (en) 2013-08-03 2013-08-03 Heat accumulating type lime rotary kiln

Country Status (1)

Country Link
CN (1) CN203474652U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104803615A (en) * 2015-03-24 2015-07-29 石家庄新华能源环保科技股份有限公司 Heat accumulating type lime rotary kiln
CN105698524A (en) * 2016-02-17 2016-06-22 石家庄新华能源环保科技股份有限公司 Regenerative multistage heating rotary kiln device
CN106705654A (en) * 2016-12-29 2017-05-24 石家庄新华能源环保科技股份有限公司 Dividing wall rotary kiln
CN113137857A (en) * 2021-04-15 2021-07-20 镇江新宇固体废物处置有限公司 Novel rotary kiln using waste heat circulation to support combustion

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104803615A (en) * 2015-03-24 2015-07-29 石家庄新华能源环保科技股份有限公司 Heat accumulating type lime rotary kiln
CN105698524A (en) * 2016-02-17 2016-06-22 石家庄新华能源环保科技股份有限公司 Regenerative multistage heating rotary kiln device
CN105698524B (en) * 2016-02-17 2018-07-06 石家庄新华能源环保科技股份有限公司 Heat accumulating type multistage heating rotary kiln device
CN106705654A (en) * 2016-12-29 2017-05-24 石家庄新华能源环保科技股份有限公司 Dividing wall rotary kiln
CN106705654B (en) * 2016-12-29 2019-06-04 石家庄新华能源环保科技股份有限公司 A kind of partition rotary kiln
CN113137857A (en) * 2021-04-15 2021-07-20 镇江新宇固体废物处置有限公司 Novel rotary kiln using waste heat circulation to support combustion

Similar Documents

Publication Publication Date Title
CN102875036B (en) Heat storage type lime rotary kiln
CN203474652U (en) Heat accumulating type lime rotary kiln
CN103058536B (en) Heat-accumulation dividing-wall heating rotary kiln device
CN104803615A (en) Heat accumulating type lime rotary kiln
CN203478938U (en) Rotary kiln apparatus with energy recovery equipment
CN103332873B (en) Parallel-flow heat accumulating type lime rotary kiln
CN103332673B (en) Heat-accumulating type semi-coke rotary kiln
CN102288022B (en) Sleeve-type gas-burning shaft kiln
CN202204270U (en) A sleeve type continuous burning shaft kiln
CN203007146U (en) Beam type heat accumulation lime kiln
CN103335514A (en) Rotary kiln device provided with energy recovery equipment
CN102992661B (en) Beam type heat storage lime kiln
CN203212470U (en) Temperature-controllable suspension roaster
CN204125385U (en) A kind of suspension cylinder formula also flows the two thorax kiln of accumulation of heat
CN103193400B (en) Temperature-controllsuspension suspension roaster
CN104211309B (en) A kind of suspension cylinder formula also flows the two thorax kiln of accumulation of heat
CN203373275U (en) Parallel flow heat accumulating type lime rotary kiln
CN204265644U (en) Heat storage type lime rotary kiln
CN102230726A (en) Sleeve type continuous calcining vertical kiln
CN104230187A (en) Combustion beam using preheated combustion-supporting air
CN104119003B (en) The industrial furnace of heat accumulating type partition heating
CN204022685U (en) The industrial furnace of heat accumulating type partition heating
CN104446017B (en) A kind of dividing wall type calciner plant
CN104496207B (en) Heat storage type lime rotary kiln
CN204224469U (en) A kind of dividing wall type roasting assembly

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant