CN207515503U - Rotary kiln and calciner - Google Patents

Rotary kiln and calciner Download PDF

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Publication number
CN207515503U
CN207515503U CN201721655919.XU CN201721655919U CN207515503U CN 207515503 U CN207515503 U CN 207515503U CN 201721655919 U CN201721655919 U CN 201721655919U CN 207515503 U CN207515503 U CN 207515503U
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Prior art keywords
kiln
high temperature
head cover
temperature section
section
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CN201721655919.XU
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Chinese (zh)
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曹科生
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XIANGTAN HUAYU FURNACE MANUFACTURING Co Ltd
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XIANGTAN HUAYU FURNACE MANUFACTURING Co Ltd
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Abstract

The utility model is related to kiln technical field, more particularly, to a kind of rotary kiln and calciner.Rotary kiln includes:Kiln body;The kiln body includes:Outer barrel, inner tube and the thermal-insulation masonry wall being arranged between outer barrel and inner tube;Said inner tube includes interconnected preheating section and high temperature section, and the diameter of the preheating section is less than the diameter of the high temperature section, and the kiln body is obliquely installed, for material is made to enter the high temperature section along the preheating section.To alleviate low production efficiency in the prior art and the technical issues of furnace body easily blocks.

Description

Rotary kiln and calciner
Technical field
The utility model is related to kiln technical field, more particularly, to a kind of rotary kiln and calciner.
Background technology
Rare earth element is known as " vitamin of industry ", has excellent magnetic, light, the electrical property that can not replace, and is produced to improving Moral character energy increases product variety, improves production efficiency and plays huge effect.Since rare-earth action is big, dosage is few, it has also become Improve the important element of product structure, technical progress of industry of increasing technology content, promotes, be widely applied to metallurgical, military affairs, The fields such as petrochemical industry, glass ceramics, agricultural and new material.
At present, rare earth metal processing calcining, since its raw material is sposh shape, it is desirable to first by the raw material of sposh shape into After row tentatively drying, the processing of progress next step in kiln is being entered, and is calcining to generate and contains a large amount of fluorine ions in tail gas, Pollute it is more serious, it is larger to direct labor's somatic damage, meanwhile, low production efficiency, energy consumption waste is serious;And its raw material is special Property, furnace body easily blocks.
Utility model content
The purpose of this utility model is to provide a kind of rotary kiln, with alleviate low production efficiency in the prior art and The technical issues of furnace body easily blocks.
A kind of rotary kiln provided by the utility model, including:Kiln body;
The kiln body includes:Outer barrel, inner tube and the thermal-insulation masonry wall being arranged between outer barrel and inner tube;Said inner tube includes Interconnected preheating section and high temperature section, the diameter of the preheating section is less than the diameter of the high temperature section, and the kiln body tilts Setting, for material is made to enter the high temperature section along the preheating section.
Further, corundum liner and combustion system have been further included, it is separate that the corundum liner is arranged on the high temperature section One end of the preheating section, the extending direction of the corundum liner is identical with the extending direction of the high temperature section, in the corundum The diameter of lining is less than the diameter of high temperature section, and the corundum liner is connected with the combustion section of the combustion system, for corundum Liner is heated.
Further, the length of the corundum liner is less than the length of the high temperature section, the corundum liner and the height At least six supporting rod is provided between the inner wall of temperature section, 6 supporting rods are uniformly arranged on the corundum liner and the height Between the inner wall of temperature section.
Further, multiple guide pins are provided in the preheating section, are set between the thermal-insulation masonry wall and said inner tube There are multiple elastic supporting member for supporting optical member.
A kind of calciner has above-mentioned rotary kiln, further includes workbench, feeding mechanism and discharging mechanism;
The feeding mechanism includes trolley, kiln head cover, hopper and feeding screw;The trolley is movably disposed at institute It states on workbench, the kiln head cover is arranged on the trolley close to one end of the kiln body, and the kiln head cover is close to the kiln body One end is connected with the preheating section, is provided with locating piece on the trolley, and it is described fixed that one end of the feeding screw is arranged on On the block of position, the feeding screw is entered across the kiln head cover in the preheating section, the close institute of the feeding screw It states locating piece one end and is provided with feed inlet, the hopper is connected with the feed inlet, for transporting material to the spiral In feeder;
The discharging mechanism includes kiln hood and cooling return bend device, and the kiln hood is connected with the high temperature section, institute The bottom end for stating kiln hood is cooled down with described in return bend device, to carry out cooling disposition to material.
Further, actuating unit and at least two supporting mechanisms are further included;
At least two supporting mechanisms are separately positioned on the rear and front end of the kiln body, and the supporting mechanism includes support Rolling ring and tugboat component, the support rolling ring are used to match connection with the raceway set in the kiln body, the tugboat component One end is fixed on the workbench, and the other end of the tugboat component is used to support the support rolling ring;
The actuating unit includes driving motor, driving gear and driven gear, and the driving motor is arranged on the work Make on platform, the driven gear is set in the kiln body, the output axis connection of the driving gear and the driving motor, institute It states driving gear to be sequentially connected with the driven gear, the kiln body to be driven to rotate.
Further, the tugboat component includes first base, second base and is arranged on first base and second base Upper first idler wheel and the second idler wheel;
The first base and second base are fixed on the workbench, and the support rolling ring is arranged on first rolling Between wheel and second idler wheel.
Further, the tugboat component further includes position-limit mechanism, and the position-limit mechanism is used to limit the support rolling ring Position between the raceway.
Further, smoke purification mechanism is further included, the smoke purification mechanism includes cyclone dust collector, water film dedusting Device and flue;
The flue is connected with the kiln head cover, for by flue gas be transported to sequentially connected cyclone dust collector and In water film dust removal device.
Further, peep hole is provided on the kiln head cover, and the lower end of the kiln head cover is provided with gate valve, it is described Gate valve is for the temperature adjusted through the flue gas in kiln head cover and the buildup cleared up in kiln head cover.
A kind of rotary kiln provided by the utility model, including:Kiln body;The kiln body includes:It outer barrel, inner tube and is arranged on outer Thermal-insulation masonry wall between cylinder and inner tube;Said inner tube includes interconnected preheating section and high temperature section, the preheating section it is straight Diameter is less than the diameter of the high temperature section, and the kiln body is obliquely installed, described for material is made to enter along the preheating section High temperature section.To alleviate low production efficiency in the prior art and the technical issues of furnace body easily blocks.
A kind of calciner has above-mentioned rotary kiln, further includes workbench, feeding mechanism and discharging mechanism;
The feeding mechanism includes trolley, kiln head cover, hopper and feeding screw;The trolley is movably disposed at institute It states on workbench, the kiln head cover is arranged on the trolley close to one end of the kiln body, and the kiln head cover is close to the kiln body One end is connected with the preheating section, is provided with locating piece on the trolley, and it is described fixed that one end of the feeding screw is arranged on On the block of position, the feeding screw is entered across the kiln head cover in the preheating section, the close institute of the feeding screw It states locating piece one end and is provided with feed inlet, the hopper is connected with the feed inlet, for transporting material to the spiral In feeder;
The discharging mechanism includes kiln hood and cooling return bend device, and the kiln hood is connected with the high temperature section, institute The bottom end for stating kiln hood is cooled down with described in return bend device, to carry out cooling disposition to material.By in kiln hood and kiln tail two End is provided with feeding mechanism and discharging mechanism, can ensure the disengaging speed of the material in rotary kiln, improve the production of rotary kiln Efficiency.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the front view of rotary kiln that the utility model embodiment provides;
Fig. 2 is the front view of calciner that the utility model embodiment provides;
Fig. 3 is the partial enlarged view of calciner that the utility model embodiment provides;
Fig. 4 is the front view of the actuating unit part of calciner that the utility model embodiment provides;
Fig. 5 is the front view of the supporting mechanism of calciner that the utility model embodiment provides.
Icon:100- outer barrels;200- thermal-insulation masonry walls;300- inner tubes;400- feeding mechanisms;500- discharging mechanisms;600- is moved Force mechanisms;700- supporting mechanisms;800- smoke purification mechanisms;900- workbench;310- preheating sections;320- high temperature sections;410- is small Vehicle;420- hoppers;430- feeding screws;440- kiln head covers;610- driving motors;620- driven gears;710- first bases; The first idler wheels of 720-;730- second bases;The second idler wheels of 740-;750- position-limit mechanisms;321- corundum liners;411- locating pieces;.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected range.
In the description of the present invention, it should be noted that such as occur term " " center ", " on ", " under ", " left side ", " right side ", " vertical ", " level ", " interior ", " outer " etc., indicated by orientation or position relationship be based on orientation shown in the drawings or Position relationship is for only for ease of description the utility model and simplifies description rather than instruction or imply signified device or member Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model. In addition, such as there is term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction or implying opposite Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one Connect to body;Can be mechanical connection or electrical connection;It can be directly connected, it can also be indirect by intermediary It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State concrete meaning of the term in the utility model.
Fig. 1 is the front view of rotary kiln that the utility model embodiment provides.It is as shown in Figure 1, provided by the utility model A kind of rotary kiln, including:Kiln body;
The kiln body includes:Outer barrel 100, inner tube 300 and the thermal-insulation masonry wall being arranged between outer barrel 100 and inner tube 300 200;
Said inner tube 300 includes interconnected preheating section 310 and high temperature section 320, and the diameter of the preheating section 310 is small In the diameter of the high temperature section 320, and the kiln body is obliquely installed, for material is made to enter institute along the preheating section 310 State high temperature section 320.
Wherein, outer barrel 100 during fabrication, is molded using semicircle and fixed, is then heat-treated using stress relief annealing, Ran Hou Inside ensures 100 circularity of outer barrel and straightness using circular cylinder is welded into after the support of multiple spot flange.For front and rear raceway position It puts using whole mechanical machine-shaping assembling, it is ensured that equipment shakes small when running, operate steadily and inner tube 300 is easily installed.
Inner tube 300 uses heat-resisting steel composite board.
In the present embodiment, kiln body includes:Outer barrel 100, inner tube 300 and the heat preservation being arranged between outer barrel 100 and inner tube 300 Masonry 200;Interconnected preheating section 310 and high temperature section 320 are provided in inner tube 300, and the heat in inner tube 300 is along high temperature Section 320 enters low-temperature zone, and kiln body is obliquely installed, and high temperature section 320 is arranged on relatively low one end, and material is along preheating section 310 It entering in high temperature section 320, the heat of high temperature section 320 entering in low-temperature zone gradually is gradually heated material, Simultaneously as the diameter of high temperature section 320 is more than the diameter of low-temperature zone, can to avoid high temperature section 320 thermal current by material blowback To preheating section 310, so as to which material succession heat, with alleviate low production efficiency in the prior art and The technical issues of furnace body easily blocks.
On the basis of above-described embodiment, further, corundum liner 321 and combustion system, the corundum have been further included Liner 321 is arranged on the one end of the high temperature section far from the preheating section 310, the extending direction of the corundum liner 321 and institute The extending direction for stating high temperature section is identical, and the diameter of the corundum liner 321 is less than the diameter of high temperature section, and the corundum liner 321 connect with the combustion section of the combustion system, for being heated to corundum liner 321.
Wherein, the length of corundum liner 321 is 2m, and corundum uses the ceramic corundum of platelike crystal structure, is had good Rapid heat cycle, and one end of preheating section 310 is provided with multiple holes in corundum liner 321, for flowing out hot gas.
Wherein, combustion system can by natural gas pressure-reducing valve, electromagnetism block valve, ratio adjusting valve, natural gas high combustion rate burner, help Fire the compositions such as wind turbine, combustion gas and combustion-supporting air pipe line.A burning capacity is used as natural gas water cooling high combustion rate burner, mounted on discharging It holds on hood, burner extend into length appropriate in corundum liner 321, avoids temperature at discharging end shield excessively high.Select high-pressure blast Machine supplies combustion air.For high pressure positive blower air quantity by temperature control system output digit signals to frequency converter, real-time scale adjusts air quantity, Realize the Boiler pressure control of temperature control required temperature.
In the present embodiment, corundum liner 321 is arranged on the one end of high temperature section far from preheating section 310, and corundum liner 321 prolongs Stretch that direction is identical with the extending direction of high temperature section, the diameter of corundum liner 321 is less than the diameter of high temperature section, in this way, when burning system When system starts to heat corundum liner 321, material can pass through along the gap between corundum liner 321 and high temperature section, High-temperature heating can be passed through by the material in gap, due to the setting of corundum liner 321 to prevent local temperature excessively high, internally Pipe 300 damages.
On the basis of above-described embodiment, further, the length of the corundum liner 321 is less than the length of the high temperature section Degree, is provided at least six supporting rod, 6 supporting rods are uniform between the corundum liner 321 and the inner wall of the high temperature section It is arranged between the corundum liner 321 and the inner wall of the high temperature section.
Wherein, supporting rod uses cold conditions elastic support structure, is conveniently replaceable and installs corundum liner 321, and convenient for adjusting Tensioning dynamics.
6 supporting rods can be arranged in the shape of a spiral between the outer wall of corundum liner 321 and the inner wall of inner tube 300.
In the present embodiment, the length of corundum liner 321 is less than the length of high temperature section, is directly inserted to avoid corundum liner 321 Enter into preheating section 310, at least six supporting rod, 6 supports are provided between corundum liner 321 and the inner wall of high temperature section Bar is uniformly arranged between the corundum liner 321 and the inner wall of high temperature section, to improve the inner wall of corundum liner 321 and high temperature section Between the stability that connects.
On the basis of above-described embodiment, further, multiple guide pins, the guarantor are provided in the preheating section 310 Multiple elastic supporting member for supporting optical member are provided between warm masonry 200 and said inner tube 300.
In the present embodiment, multiple guide pins are provided in preheating section 310, it is defeated in preheating section 310 to improve material Send speed, multiple elastic supporting member for supporting optical member be provided between thermal-insulation masonry wall 200 and said inner tube 300, with ensure 300 diameter of inner tube and Length is in requirement of expanding with heat and contract with cold.
Fig. 2 is the front view of calciner that the utility model embodiment provides;Fig. 3 is provided for the utility model embodiment Calciner partial enlarged view.As shown in Figures 2 and 3, a kind of calciner has above-mentioned rotary kiln, further includes work Platform 900, feeding mechanism 400 and discharging mechanism 500;
The feeding mechanism 400 includes trolley 410, kiln head cover 440, hopper 420 and feeding screw 430;The trolley 410 are movably disposed on the workbench 900, and the kiln head cover 440 is arranged on the trolley 410 close to the kiln body One end, the kiln head cover 440 are connected close to described kiln body one end with the preheating section 310, and positioning is provided on the trolley 410 Block 411, one end of the feeding screw 430 are arranged on the locating piece 411, and the feeding screw 430 passes through described Kiln head cover 440 is entered in the preheating section 310, and the feeding screw 430 is provided with close to described 411 one end of locating piece Feed inlet, the hopper 420 are connected with the feed inlet, for transporting material in the feeding screw 430;
The discharging mechanism 500 includes kiln hood and cooling return bend device, and the kiln hood connects with the high temperature section 320 Logical, the bottom end of the kiln hood is cooled down with described in return bend device, to carry out cooling disposition to material.
Wherein, it may also include temperature control system:Control system takes temperature automatically controlled mode, and 1 is equipped in kiln hood The temperature-control heat couple of branch S Graduation Numbers, for measuring ignition temperature.PID intelligence instruments are according to desired temperature and actual measured value Difference, the electric proportional-regulation valve automatic adjustment combustion gas and air mass flow on the fuel gas pipeline in gas burning system is controlled, with reality Existing kiln temperature automatically controls.
PID intelligence instruments have alarm and control function, and when meeting unexpected have a power failure when accidents, solenoid valve can be automatically closed combustion Solenoid valve on gas fuel gas pipeline cuts off gas supply and is simultaneously emitted by alarm signal, it is ensured that safety;In addition, in combustion system Burner before 1 fire defector/automatic ignition controller is installed, when burner stops working, controller by automatic ignition, lose by igniting It loses, the solenoid valve that will be automatically shut down in Gas Pipe, and sends out alarm signal, temperature signal transmission:Temperature is using wireless in kiln body Temperature signal is transmitted, is transmitted using 8 tunnels, wherein reserved channel all the way;Ensure safety in production, before each blow-on, burning system System will dry cleaning in advance automatically, ensure to keep the safety in production.
Wherein, one end that kiln head cover 440 is connected with kiln body increases stainless steel blade squama on the basis of using labyrinth sealing Sheet contact sealing means.
Kiln hood liner water cooling steel plate welding fabrication hood, prevents kiln hood scaling loss, while reduce cover body hull-skin temperature, Improve operating environment.
Kiln head cover 440 uses steel making, and is manufactured into interlayer water-cooling structure.
Kiln head cover move mode for kiln head cover integral installation in an electronic moving trolley 410, type of drive using electricity Machine-speed reducer drive sprocket-chain-driving trolley 410 moves, and kiln head cover top smoke-exhaust pipeline is lived with smoke purification mechanism 800 It is dynamic to be connected, and be flexibly connected using expansion joint.
In the present embodiment, feeding mechanism 400 and discharging mechanism 500 are separately positioned on trolley 410, and kiln head cover 440 Trolley 410 is arranged at kiln hood, trolley 410 can be relatively moved with respect to workbench 900, in this way, needing to carry out kiln body Maintenance is either when replacing the parts inside kiln body, you can diameter passes through moving trolley 410, it is possible to kiln body into It row maintenance and replaces, also, feeding screw 430 is provided on feeding mechanism 400, it can the further the production for promoting kiln Efficiency.
Fig. 4 is the front view of the actuating unit part of calciner that the utility model embodiment provides.As shown in figure 4, On the basis of above-described embodiment, further, 600 and at least two supporting mechanism 700 of actuating unit is further included;
At least two supporting mechanisms 700 are separately positioned on the rear and front end of the kiln body, and the supporting mechanism 700 wraps Support rolling ring and tugboat component are included, the support rolling ring is used to match connection, the tugboat with the raceway set in the kiln body One end of component is fixed on the workbench 900, and the other end of the tugboat component is used to support the support rolling ring;
The actuating unit 600 includes driving motor 610, driving gear and driven gear 620, the driving motor 610 It is arranged on the workbench 900, the driven gear 620 is set in the kiln body, the driving gear and the driving The output axis connection of motor 610, the driving gear are sequentially connected with the driven gear 620, the kiln body to be driven to rotate.
In the present embodiment, driving motor 610 is arranged on workbench 900, and driven gear 620 is set in kiln body, driving Motor 610 drives driving gear rotation, so as to which driven gear 620 be driven to rotate, kiln body to be driven to be rotated, the two of kiln body Also at least provided with two supporting mechanisms 700, supporting mechanism 700 includes support rolling ring and tugboat component, the support rolling ring at end For matching connection with the raceway set in the kiln body, one end of the tugboat component is fixed on the workbench 900, with Kiln body is enable steadily to be operated under the driving of driving motor 610.
Fig. 5 is the front view of the supporting mechanism of calciner that the utility model embodiment provides.As shown in figure 5, upper On the basis of stating embodiment, further, the tugboat component includes first base 710, second base 730 and is arranged on the First idler wheel 720 and the second idler wheel 740 on one pedestal 710 and second base 730;
The first base 710 and second base 730 are fixed on the workbench 900, and the support rolling ring is arranged on Between first idler wheel 720 and second idler wheel 740.
In the present embodiment, tugboat component includes first base 710, second base 730 and is arranged on first base 710 and the The first idler wheel 720 and the second idler wheel 740 on two pedestals 730, support rolling ring are arranged on the first idler wheel 720 and the second idler wheel 740 Between, in this way, to ensure that support rolling ring can be with the relative rotation between the raceway of setting outside kiln body.
It is above-mentioned state embodiment on the basis of, further, the tugboat component further includes position-limit mechanism 750, the limit Position mechanism 750 is used to limit the position between the support rolling ring and the raceway.
In the present embodiment, limited position mechanism 750 on tugboat component is set, support rolling ring is limited by position-limit mechanism 750 Relative position between raceway, to increase the safety of kiln body operating.
On the basis of above-described embodiment, further, smoke purification mechanism 800, the smoke purification mechanism are further included 800 include cyclone dust collector, water film dust removal device and flue;
The flue is connected with the kiln head cover 440, is filled for flue gas to be transported to sequentially connected cyclone dust removal Put in water film dust removal device.
In the present embodiment, flue gas is entered by flue in cyclone dust collector from kiln head cover 440, is removed by whirlwind The dust of material is collected by dirt device, and the bottom end of cyclone dust collector is provided with discharge valve, due to can also in flue gas Containing water and fluorine ion, by the setting of water film dust removal device, fluorine ion is incorporated in water, to reach the flue gas of purification discharge Effect.
On the basis of above-described embodiment, further, peep hole, and the kiln hood are provided on the kiln head cover 440 The lower end of cover 440 is provided with gate valve, and the gate valve is for temperature of the adjusting through the flue gas in kiln head cover 440 and cleaning kiln hood Buildup in cover 440.
In the present embodiment, peep hole is provided on kiln head cover 440, in order to observe the working order of material in kiln body, Gate valve is provided in the lower end of kiln head cover 440, the gate valve is for temperature of the adjusting through the flue gas in kiln head cover 440 and clearly Manage the buildup in kiln head cover 440.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand:It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole Technical characteristic carries out equivalent replacement;And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of rotary kiln, which is characterized in that including:Kiln body;
The kiln body includes:Outer barrel, inner tube and the thermal-insulation masonry wall being arranged between outer barrel and inner tube;Said inner tube includes mutually The preheating section and high temperature section of connection, the diameter of the preheating section is less than the diameter of the high temperature section, and the kiln body is obliquely installed, For material is made to enter the high temperature section along the preheating section.
2. rotary kiln according to claim 1, which is characterized in that corundum liner and combustion system have been further included, it is described firm Beautiful liner is arranged on the one end of the high temperature section far from the preheating section, extending direction and the high temperature section of the corundum liner Extending direction it is identical, the diameter of the corundum liner is less than the diameter of high temperature section, and the corundum liner is with the burning The combustion section connection of system, for being heated to corundum liner.
3. rotary kiln according to claim 2, which is characterized in that the length of the corundum liner is less than the high temperature section Length, is provided at least six supporting rod between the corundum liner and the inner wall of the high temperature section, 6 supporting rods are uniform It is arranged between the corundum liner and the inner wall of the high temperature section.
4. rotary kiln according to claim 1, which is characterized in that multiple guide pins are provided in the preheating section, it is described Multiple elastic supporting member for supporting optical member are provided between thermal-insulation masonry wall and said inner tube.
5. a kind of calciner has such as claim 1-4 any one of them rotary kilns, which is characterized in that further include work Platform, feeding mechanism and discharging mechanism;
The feeding mechanism includes trolley, kiln head cover, hopper and feeding screw;The trolley is movably disposed at the work Make on platform, the kiln head cover is arranged on the trolley close to one end of the kiln body, and the kiln head cover is close to described kiln body one end It is connected with the preheating section, locating piece is provided on the trolley, one end of the feeding screw is arranged on the locating piece On, the feeding screw is entered across the kiln head cover in the preheating section, the feeding screw close to described fixed Position block one end is provided with feed inlet, and the hopper is connected with the feed inlet, for transporting material to the spiral charging In device;
The discharging mechanism includes kiln hood and cooling return bend device, and the kiln hood is connected with the high temperature section, the kiln The bottom end of hood is cooled down with described in return bend device, to carry out cooling disposition to material.
6. calciner according to claim 5, which is characterized in that further include actuating unit and at least two support machines Structure;
At least two supporting mechanisms are separately positioned on the rear and front end of the kiln body, and the supporting mechanism includes support rolling ring With tugboat component, the support rolling ring is used to match connection, one end of the tugboat component with the raceway set in the kiln body It is fixed on the workbench, the other end of the tugboat component is used to support the support rolling ring;
The actuating unit includes driving motor, driving gear and driven gear, and the driving motor is arranged on the workbench On, the driven gear is set in the kiln body, the output axis connection of the driving gear and the driving motor, the master Moving gear is sequentially connected with the driven gear, the kiln body to be driven to rotate.
7. calciner according to claim 6, which is characterized in that the tugboat component includes first base, the second bottom Seat and be arranged on the first idler wheel and the second idler wheel in first base and second base;
The first base and second base are fixed on the workbench, it is described support rolling ring be arranged on first idler wheel and Between second idler wheel.
8. calciner according to claim 7, which is characterized in that the tugboat component further includes position-limit mechanism, described Position-limit mechanism is used to limit the position between the support rolling ring and the raceway.
9. calciner according to claim 8, which is characterized in that further include smoke purification mechanism, the gas cleaning Mechanism includes cyclone dust collector, water film dust removal device and flue;
The flue is connected with the kiln head cover, for flue gas to be transported to sequentially connected cyclone dust collector and moisture film In dust-extraction unit.
10. calciner according to claim 5, which is characterized in that peep hole is provided on the kiln head cover, and described The lower end of kiln head cover is provided with gate valve, and the gate valve is for temperature of the adjusting through the flue gas in kiln head cover and cleaning kiln head cover Interior buildup.
CN201721655919.XU 2017-12-01 2017-12-01 Rotary kiln and calciner Active CN207515503U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109708464A (en) * 2019-01-02 2019-05-03 宁波大学 A kind of cigarette-gas shunts the Dual-barrel rotary kiln of purification
CN113073164A (en) * 2021-04-28 2021-07-06 河南省煜晟镍业有限责任公司 Rotary kiln for reduction of nickel iron ore
CN113316703A (en) * 2019-01-29 2021-08-27 诺维尔里斯公司 Expansion restraint assembly and related method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109708464A (en) * 2019-01-02 2019-05-03 宁波大学 A kind of cigarette-gas shunts the Dual-barrel rotary kiln of purification
CN109708464B (en) * 2019-01-02 2024-01-02 宁波大学 Double-cylinder rotary kiln for smoke-gas split-flow purification
CN113316703A (en) * 2019-01-29 2021-08-27 诺维尔里斯公司 Expansion restraint assembly and related method
US11698226B2 (en) 2019-01-29 2023-07-11 Novelis Inc. Expansion constraint assembly and related methods
CN113073164A (en) * 2021-04-28 2021-07-06 河南省煜晟镍业有限责任公司 Rotary kiln for reduction of nickel iron ore

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