CN116793065A - Lime roasting rotary kiln - Google Patents

Lime roasting rotary kiln Download PDF

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Publication number
CN116793065A
CN116793065A CN202211365383.3A CN202211365383A CN116793065A CN 116793065 A CN116793065 A CN 116793065A CN 202211365383 A CN202211365383 A CN 202211365383A CN 116793065 A CN116793065 A CN 116793065A
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CN
China
Prior art keywords
positioning
sides
rotary kiln
heat
cylinder body
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CN202211365383.3A
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Chinese (zh)
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CN116793065B (en
Inventor
朱莹
周哲
于晓莹
武光涛
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Avic Chaoneng Suzhou Technology Co ltd
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Avic Chaoneng Suzhou Technology Co ltd
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Publication of CN116793065A publication Critical patent/CN116793065A/en
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    • 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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  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

The invention belongs to the technical field of roasting of rotary kilns, and particularly relates to a lime roasting rotary kiln, which comprises a reinforced concrete supporting seat and a cylinder body arranged at the top of the reinforced concrete supporting seat, wherein the cylinder body is arranged at the top of the reinforced concrete supporting seat through a driving mechanism and a tug bearing group arranged on the side face, at least two groups of tug bearing groups are arranged, the driving mechanism comprises a large gear set fixedly clamped on the side face of the cylinder body, the large gear set is in transmission connection with a gearbox sequentially through a small gear set, and the gearbox provides power for the gearbox through a driving motor. The invention can reduce vibration generated in the processes of starting, speed regulation and stopping of the rotary kiln, reduce the probability of falling off and cracking of refractory bricks and improve the running stability of the rotary kiln.

Description

Lime roasting rotary kiln
Technical Field
The invention belongs to the technical field of roasting of rotary kilns, and particularly relates to a lime roasting rotary kiln.
Background
The rotary kiln is composed of processes such as gas flow, fuel combustion, heat transfer, material movement and the like, the rotary kiln is how to enable the fuel to be fully combusted, the heat of fuel combustion can be effectively transferred to the material, a series of physical and chemical changes occur after the material receives the heat, and finally finished clinker is formed;
calcination in a lime rotary kiln is a chemical reaction process, which is mainly completed by calcination time and temperature, wherein the calcination temperature is determined by generated heat and transferred quality, and in the lime calcination process, the change of the internal temperature of the rotary kiln affects the quality of lime calcination.
Problems of the prior art:
in the working and running process of the rotary kiln, the rotary kiln is influenced by more factors, and the problems of caking and the like in the curing process are easily caused due to uneven heating in the rotary kiln, wherein in the starting, speed adjusting and stopping processes of the rotary kiln, the rotary kiln is powered by a large gear device, and the rotary kiln body has larger weight and inertia in the starting, speed changing and stopping processes of a motor, so that the rotary kiln body can shake to a certain extent when rotating and passing through a car, and the refractory bricks arranged in the rotary kiln can fall off and break to influence the rotary kiln, so that the rotary kiln is overhauled and maintained for a long time, and the rotary kiln has long time consumption and large workload.
Disclosure of Invention
The invention aims to provide a lime roasting rotary kiln, which can reduce vibration generated in the starting, speed regulating and stopping processes of the rotary kiln, reduce the probability of falling off and cracking of refractory bricks and improve the running stability of the rotary kiln.
The technical scheme adopted by the invention is as follows:
a lime roasting rotary kiln comprises a reinforced concrete support seat and a cylinder body arranged at the top of the reinforced concrete support seat;
the cylinder is arranged at the top of the reinforced concrete supporting seat through a driving mechanism and a tug bearing group which are arranged on the side face, wherein at least two groups of tug bearing groups are arranged;
the driving mechanism comprises a large gear set fixedly clamped on the side surface of the cylinder body, the large gear set is in transmission connection with a gearbox sequentially through a small gear set, and the gearbox provides power for the gearbox through a driving motor;
the towing wheel bearing set comprises at least two groups of small towing wheels for providing support for a barrel, the outside of the barrel is sleeved with a large towing wheel which is abutted against the small towing wheels on two sides, the small towing wheels on two sides are tangent to the outer side surfaces of the large towing wheels, the two sides of the small towing wheels are rotatably provided with towing wheel bearings, the towing wheel bearings are fixedly arranged at the top of a reinforced concrete supporting seat, the side surfaces of the towing wheel bearings are provided with heat-insulating plates for insulating the towing wheel bearings, the bottom of each heat-insulating plate is provided with a heat-insulating assembly for heat dissipation, the bottom of each heat-insulating assembly is fixedly connected with a heat-insulating spring, and the heat-insulating springs are fixedly arranged at the top of the reinforced concrete supporting seat through the arranged supporting frame;
the large gear set comprises two side gears with mutually spliced outer sides, two positioning rings used for clamping and installing the side surfaces of the cylinder body are arranged in the large gear set, the positioning rings are connected with the side gears on the two sides through elastic connecting pieces which are uniformly arranged, and the elastic connecting pieces have elasticity;
one end of the elastic connecting piece is provided with a second hinge ring which is hinged with the inner sides of the side gears on two sides, and two sides of the other end of the elastic connecting piece are provided with first hinge rings which are hinged with the positioning rings.
One end of the cylinder body is provided with a feeding end for feeding and igniting, the other end of the cylinder body is provided with a discharging end for discharging, and the height of the feeding end is higher than that of the discharging end.
The reinforced concrete supporting seat comprises a first base, a second base and a third base, the top surfaces of the first base, the second base and the third base are identical to the inclination angle of the cylinder body, and the top surfaces of the first base, the second base and the third base are positioned on the same plane with gradually reduced horizontal heights.
The inner side of the large tug is provided with an inner connecting annular plate which is tightly sleeved with the outer side surface of the cylinder body.
The bottom of the support frame is provided with a connecting bottom plate which is perpendicular to the top surface of the reinforced concrete support seat, the heat shield inclines towards one side of the cylinder body, extends towards two sides and is suspended between the tug bearing and the cylinder body.
The heat dissipation assembly is in a plate shape which is uniformly distributed, the heat dissipation assembly is respectively welded with the heat shields on two sides and the heat dissipation springs, the heat dissipation springs are in a flat shape of a strip, and at least two heat dissipation springs are arranged.
The big gear set is equipped with big gear cover in the cover of big gear outside, big gear cover one end bottom is equipped with the fixed plate, the fixed plate passes through expansion bolts fixed mounting at reinforced concrete supporting seat top surface, big gear cover other end bottom is equipped with leads the oil groove, it is connected with the oil storage tank to lead the oil groove other end, the oil storage tank top is equipped with the fuel injection pump, the fuel injection pump top is equipped with the fuel sprayer towards big gear set downside one side.
The driving motor output shaft is sleeved with a first transmission gear, the first transmission gear is connected with a second transmission gear in a meshed mode, the second transmission gear is connected with one side of the gearbox in a rotating mode, a transmission rod is arranged on the other side of the gearbox in a transmission mode with the second transmission gear, the transmission rod is fixedly mounted with the gear transmission rod through a bolt, the other end of the gear transmission rod is fixedly connected with a pinion set, and the pinion set is connected with a large gear set in a meshed mode in a transmission mode.
The inner side of the side gear is provided with a hinged connecting buckle corresponding to the elastic connecting piece, and the side surface of the positioning ring is provided with a hinged hole for hinging the other end of the elastic connecting piece;
the two ends of the side gear are respectively provided with a first positioning plate and a second positioning plate, and the side gears on two sides are spliced through the corresponding first positioning plates and second positioning plates;
the outer side of the first positioning plate is provided with a plurality of first positioning mounting grooves, and the outer side of the second positioning plate is provided with a plurality of second positioning mounting grooves;
the outer sides of the two ends of the positioning ring are respectively provided with a second connecting plate and a first connecting plate, the second connecting plates corresponding to the end parts of the positioning ring at the two sides are spliced with the first connecting plates, and the opposite sides of the second connecting plates and the first connecting plates are also provided with corresponding first positioning mounting grooves and second positioning mounting grooves;
the first positioning installation groove is internally spliced with two first clamping plug-ins spliced with each other, the second positioning installation groove is internally spliced with two second clamping plug-ins spliced with each other, the first positioning installation groove is detachably connected with the second positioning installation groove through a set bolt and nut assembly, and the bolt and nut assembly is arranged between the first clamping plug-ins and the second clamping plug-ins on two sides in a penetrating mode.
The second clamping plug-in units are provided with elastic plug-in units towards one end of the first clamping plug-in units, the elastic plug-in units are of a plurality of plate-shaped structures which are arranged in parallel, the elastic plug-in units are connected through connecting plates, the elastic plug-in units and the first clamping plug-in units are of right trapezoid table-shaped structures, the first clamping plug-in units are inserted between the two elastic plug-in units, the length of the first clamping plug-in units is larger than the depth of the inner side of the first positioning mounting groove, and the length of the first clamping plug-in units is larger than the depth of the inner side of the second positioning mounting groove;
and the first clamping insert extrudes the second clamping insert and the elastic insert to be outwards expanded by utilizing the bolt and nut assembly to adjust the distance between the first positioning mounting groove and the second positioning mounting groove, and the elastic insert extrudes the inner wall of the first positioning mounting groove to increase friction force so as to connect the two opposite side gears and the two opposite positioning rings.
The invention has the technical effects that:
in the process of starting, speed regulation and stopping of the rotary kiln, the outer wall of the rotary kiln cylinder body is easy to generate higher temperature, so that the rotary kiln cylinder body is easy to influence a tug bearing in the running process, heat insulation treatment is carried out on the rotary kiln cylinder body through the heat insulation plate, the heat is further radiated through the heat radiation component arranged at the bottom of the heat insulation plate, and the contact area between the heat insulation plate and the support frame is reduced by reducing the heat radiation spring at the joint of the heat radiation component and the support frame, so that the heat conduction efficiency is reduced.
According to the invention, in the lime roasting process, as the cylinder rotates, the large outer tug wheel has a stabilizing effect on the cylinder, and the supporting pressure of the tug wheel on the surface of the cylinder is reduced by connecting the inner tug wheel with the surface of the cylinder, so that the pressure is dispersed, the deformation of the cylinder can be effectively avoided, the falling off and cracking of the inner refractory bricks are caused, the uneven lime roasting is caused, the caking phenomenon in the lime curing process is avoided, and the running stability of the cylinder is further improved.
The elastic connecting piece has certain elasticity, so that in the process of starting, speed regulation and stopping of the cylinder, a certain elastic buffer is provided for the large gear set in a rotating state, the support for the side gear at the outer side is realized, and after the large gear set is driven by the small gear set, a driving force is provided for the cylinder inside, so that the cylinder rotates in a running way, the running process is stable, the buffer effect is good, the vibration of the cylinder is reduced, and the falling and cracking of refractory bricks are effectively avoided.
Drawings
FIG. 1 is a simplified structural schematic diagram of the present invention;
FIG. 2 is a schematic diagram of the driving mechanism and tug bearing set according to the present invention;
FIG. 3 is a schematic view of the structure of the tug bearing assembly of the present invention;
FIG. 4 is an enlarged view of the invention at A in FIG. 3;
FIG. 5 is a schematic view of the driving mechanism of the present invention;
FIG. 6 is a schematic representation of the construction of a large gear set of the present invention;
FIG. 7 is a schematic view of the structure of a side gear of the present invention;
FIG. 8 is an enlarged view of the invention at B in FIG. 7;
FIG. 9 is an enlarged view of the invention at C in FIG. 7;
FIG. 10 is a schematic view of a retaining ring according to the present invention;
FIG. 11 is a schematic view of the structure of the elastic connector of the present invention;
FIG. 12 is a schematic view of the structure of the expansion joint of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a reinforced concrete support seat; 101. a first base; 102. a second base; 103. a third base;
2. a cylinder; 3. a feed end; 4. a discharge end;
5. a driving mechanism; 501. a drive motor; 5011. a first transmission gear; 502. a gearbox; 5021. a second transmission gear; 5022. a transmission rod; 5023. a gear transmission rod;
503. a large gear set; 5031. a side gear; 5033. a positioning ring; 5035. an elastic connection member; 50351. a first hinge ring; 50352. a second hinge ring; 5036. expanding the connecting piece; 50361. a first clamping insert; 50362. a second clamping insert; 50363. a bolt and nut assembly; 50364. an elastic insert; 50365. a connecting plate; 5037. a connecting buckle is hinged; 5038. a first positioning plate; 5039. a second positioning plate; 50041. a first positioning mounting groove; 50042. a second positioning and mounting groove; 50341. a hinge hole; 50342. a first connection plate; 50343. a second connecting plate;
504. a large gear cover; 5041. a fixing plate; 5042. an oil guiding groove; 5043. an oil storage tank; 5044. an oil injection pump; 5045. an oil nozzle; 505. a pinion gear set;
6. a tug bearing set; 601. a large tug; 602. an inner connecting ring plate; 603. a tug bearing; 604. a small tug; 605. a connecting bottom plate; 606. a support frame; 607. a heat radiation spring; 608. a heat dissipation assembly; 609. a heat shield.
Detailed Description
The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.
As shown in fig. 1, a lime roasting rotary kiln comprises a reinforced concrete support seat 1 and a cylinder 2 arranged at the top of the reinforced concrete support seat 1.
Wherein, barrel 2 is installed at reinforced concrete supporting seat 1 top through the actuating mechanism 5 that the side set up and tug bearing group 6, and wherein tug bearing group 6 sets up two at least groups, provides pivoted power to barrel 2 through actuating mechanism 5 that sets up, and tug bearing group 6 supports the main part of barrel 2.
Further, the reinforced concrete support base 1 includes a first base 101, a second base 102 and a third base 103, the top surfaces of which are at the same inclination angle with the cylinder 2, and the top surfaces of the first base 101, the second base 102 and the third base 103 are on the same plane with gradually decreasing horizontal height.
Further, one end of the cylinder 2 is provided with a feeding end 3 for feeding and igniting, the other end of the cylinder 2 is provided with a discharging end 4 for discharging, and the height of the feeding end 3 is higher than that of the discharging end 4.
According to the above structure, the level of the upper surfaces of the first base 101, the second base 102 and the third base 103 is gradually reduced, so that lime can enter raw materials from the feeding end 3 in the cylinder 2, lime can be naturally conveyed through rotation of the cylinder 2, roasting is further performed, and the slaked lime is discharged from the discharging end 4.
In addition, in the process of roasting lime by the rotary kiln, a catch wheel mechanism (not shown in the figure) is arranged at the bottom of the cylinder 2 and at one side of the tug bearing group 6 towards the discharge end 4, and the catch wheel mechanism is used for pushing the rotary wheel to horizontally move through a rotating wheel which is in contact with the side surface of the tug bearing group 6 and a hydraulic device, so that the limitation of the horizontal position of the cylinder 2 can be realized, and the position of the cylinder 2 can be regulated.
Referring to fig. 2-4, the driving mechanism 5 comprises a large gear set 503 fixedly clamped on the side surface of the cylinder 2, the large gear set 503 is in transmission connection with a gearbox 502 sequentially through a small gear set 505, and the gearbox 502 provides power for the gearbox 502 through a driving motor 501.
With further reference to fig. 5, the output shaft of the driving motor 501 is sleeved with a first transmission gear 5011, the first transmission gear 5011 is in meshed connection with a second transmission gear 5021, the second transmission gear 5021 is in rotary connection with one side of the gearbox 502, a transmission rod 5022 is in transmission with the second transmission gear 5021 on the other side of the gearbox 502, the transmission rod 5022 is fixedly installed with a gear transmission rod 5023 through bolts, a pinion gear set 505 is fixedly connected with the other end of the gear transmission rod 5023, and the pinion gear set 505 is in meshed transmission connection with a large gear set 503.
Here, fig. 2 and fig. 5 may be combined, in addition, in the process of installing the pinion 505, according to the set length of the gear rod 5023, the bearing and the bearing seat for supporting and positioning the gear rod 5023 may be installed correspondingly, so that the instability of the meshing connection between the pinion 505 and the large gear set 503 caused by the overlong gear rod 5023 may be prevented.
During the starting, speed regulating and stopping processes of the rotary kiln, the rotary kiln is provided with rotating power through the driving mechanism 5.
The above structure can be combined, and the power supply mode is as follows: firstly, through the rotation of the driving motor 501, in the rotation process, the gearbox 502 and the pinion gear set 505 are sequentially driven to rotate, and the big gear set 503 is driven to rotate through the pinion gear set 505, so that the rotation is transmitted to the cylinder 2, and the cylinder 2 is enabled to run.
Meanwhile, referring to fig. 3-4, the tug bearing group 6 comprises at least two groups of small tugs 604 for providing support for the cylinder 2, the large tugs 601 abutted to the small tugs 604 on two sides are sleeved outside the cylinder 2, the small tugs 604 on two sides are tangent to the outer side surfaces of the large tugs 601, the tug bearings 603 are rotatably arranged on two sides of the small tugs 604, the tug bearings 603 are fixedly arranged at the top of the reinforced concrete support seat 1, a heat-retaining plate 609 for retaining the heat of the tug bearings 603 is arranged on the side surfaces of the tug bearings 603, a heat-dissipating component 608 for dissipating heat is arranged at the bottom of the heat-retaining plate 609, a heat-dissipating spring 607 is fixedly connected to the bottom of the heat-dissipating component 608, and the heat-dissipating spring 607 is fixedly arranged at the top of the reinforced concrete support seat 1 through a support frame 606.
Wherein, the bottom of the support frame 606 is provided with a connecting bottom plate 605 which is vertical to the top surface of the reinforced concrete support seat 1, the heat shield 609 is inclined towards one side of the cylinder 2, and the heat shield 609 extends towards two sides and is suspended between the tug bearing 603 and the cylinder 2.
Further, the heat dissipation components 608 are uniformly arranged in a plate shape, the heat dissipation components 608 are respectively welded with the heat shields 609 and the heat dissipation springs 607 on two sides, the heat dissipation springs 607 are in a strip-shaped flat shape, and at least two heat dissipation springs 607 are arranged.
In the process of roasting lime by the cylinder 2, as the outer wall of the cylinder 2 is easy to generate higher temperature and easily affects the tug bearing 603 in the operation process, the lime is subjected to heat insulation treatment through the heat shield 609, and the heat radiation component 608 arranged at the bottom of the heat shield 609 further radiates heat, and the contact area between the heat shield 609 and the support 606 is reduced by reducing the heat radiation spring 607 at the joint of the heat radiation component 608 and the support 606, so that the heat conduction efficiency is reduced, and in addition, the heat radiation spring 607 is in a strip-shaped flat shape, so that the surface area of the heat radiation spring 607 is increased, and the heat radiation area is increased.
The inside of the big tug 601 is provided with an inner connecting annular plate 602 which is tightly sleeved with the outer side surface of the cylinder 2, the cylinder 2 is fixed through the outer big tug 601 along with the rotation of the cylinder 2, and the supporting pressure of the small tug 604 on the surface of the cylinder 2 is reduced through the connection of the inner connecting annular plate 602 and the surface of the cylinder 2, so that the pressure is dispersed, the deformation of the cylinder 2 can be effectively avoided, the falling off and the cracking of the internal refractory bricks are caused, the uneven lime roasting is caused, the caking phenomenon in the lime curing process is avoided, and the running stability of the cylinder 2 is improved.
Referring to fig. 5, a large gear cover 504 is sleeved outside the large gear set 503, a fixed plate 5041 is arranged at the bottom of one end of the large gear cover 504, the fixed plate 5041 is fixedly mounted on the top surface of the reinforced concrete support seat 1 through expansion bolts, an oil guiding groove 5042 is arranged at the bottom of the other end of the large gear cover 504, the other end of the oil guiding groove 5042 is connected with an oil storage groove 5043, an oil injection pump 5044 is arranged at the top of the oil storage groove 5043, and an oil injection nozzle 5045 is arranged at the top of the oil injection pump 5044 towards the bottom side of the large gear set 503.
Through referring to the structure, be located the bull gear cover 504 bottom, fix bull gear cover 504 one side through fixed plate 5041, fix bull gear cover 504 opposite side through leading oil groove 5042, and spray lubricating oil at the big gear set 503 lateral surface through the injection pump 5044 that sets up, in spraying process, the accessible leads oil groove 5042 and carries out the water conservancy diversion with the lubricating oil that drops from big gear set 503 bottom, and make into oil storage groove 5043 inside, carry out cyclic utilization through the pipe that sets up between injection pump 5044 and the oil storage groove 5043, and spray through injection nozzle 5045 again, can effectively promote the meshing connection stability between big gear set 503 and the pinion set 505, and then promote the stability of rotary kiln to lime calcination process.
Referring to fig. 6, the big gear set 503 includes two side gears 5031 spliced with each other at the outer side, two positioning rings 5033 for clamping and mounting with the side surface of the cylinder 2 are arranged in the big gear set 503, the positioning rings 5033 are connected with the side gears 5031 at the two sides through elastic connecting pieces 5035 which are uniformly arranged, and the elastic connecting pieces 5035 have elasticity.
Wherein, in big gear group 503 installation, splice through side gear 5031, the holding ring 5033 with both sides, cup joint in barrel 2 outside, realize the convenient installation to big gear group 503, wherein elastic connection piece 5035 has certain elasticity, therefore in barrel 2 takes place to start, speed governing and stop the in-process, realize providing certain elasticity buffering to big gear group 503 of rotation state, and realize the support to side gear 5031 in the outside, big gear group 503 receives the pinion gear group 505 transmission after, provide the driving force for inside barrel 2, make barrel 2 operation rotate, the operation is stable, and buffering effect is good, reduce barrel 2 and take place vibrations, effectively avoid the whereabouts and the rupture of resistant firebrick.
Further, as shown in fig. 10 to 11, one end of the elastic connection member 5035 is provided with a second hinge ring 50352 for being hinged to the inner sides of the side gears 5031 on both sides, and both sides of the other end of the elastic connection member 5035 are provided with first hinge rings 50351 for being hinged to the positioning rings 5033.
According to the above structure, since the second hinge ring 50352 and the first hinge ring 50351 are respectively connected with the hinge connecting buckle 5037 and the hinge hole 50341, the elasticity of the elastic connecting piece 5035 body can be matched to realize a certain degree of secondary shock absorption, and the installation is more convenient when the side gears 5031 and the positioning rings 5033 on two sides are installed and connected in a hinge manner, and in the later maintenance process, the positioning rings 5033 are relatively tightly connected to the outer side of the cylinder 2, so that the side gears 5031 on the outer side can be independently disassembled for independent maintenance, and the program and cost of later maintenance are reduced.
Referring to fig. 7 to 9, a hinge connector 5037 corresponding to the elastic connector 5035 is provided at the inner side of the side gear 5031, and a hinge hole 50341 for hinging the other end of the elastic connector 5035 is provided at the side of the positioning ring 5033.
Further, two ends of the side gear 5031 are respectively provided with a first positioning plate 5038 and a second positioning plate 5039, and the side gears 5031 on two sides are spliced by the corresponding first positioning plates 5038 and second positioning plates 5039.
Further, a plurality of first positioning mounting grooves 50041 are formed on the outer side of the first positioning plate 5038, and a plurality of second positioning mounting grooves 50042 are formed on the outer side of the second positioning plate 5039.
According to the above structure, the side gears 5031 on both sides are spliced relatively, and are butted with the second positioning plates 5039 through the first positioning plates 5038 arranged on both ends, and referring to fig. 12, both ends of the expansion connecting piece 5036 are respectively spliced in the first positioning mounting groove 50041 and the second positioning mounting groove 50042, so that the positioning of the first positioning plates 5038 and the second positioning plates 5039 on both sides is realized, and the first positioning mounting groove 50041 and the second positioning mounting groove 50042 on both sides are dragged and stretched through the bolt and nut assembly 50363, so that the positioning and mounting connection of the side gears 5031 on both sides is realized.
Referring to fig. 10 and 12, the outer sides of the two ends of the positioning ring 5033 are respectively provided with a second connecting plate 50343 and a first connecting plate 50342, the second connecting plates 50343 corresponding to the ends of the positioning ring 5033 at the two sides are spliced with the first connecting plates 50342, and the opposite sides of the second connecting plates 50343 and the first connecting plates 50342 are also provided with corresponding first positioning mounting grooves 50041 and second positioning mounting grooves 50042.
In the process of installing the positioning ring 5033, since the inner side of the positioning ring 5033 needs to tightly extrude the outer side of the cylinder 2, in the process of installing the positioning rings 5033 on both sides, the positioning rings 5033 on both sides need to be tightly fastened on the outer side of the cylinder 2, however, due to certain deformation caused by certain temperature change on the outer side of the cylinder 2, in the state that the pressure strength of the positioning rings 5033 on both sides to the outer side of the cylinder 2 is too high, the deformation of the cylinder 2 is easily caused, and then the connection elasticity is improved through the expansion connecting piece 5036 arranged between the positioning rings, and the connection stability can be ensured.
Wherein, the first positioning installation groove 50041 is internally inserted with two first clamping inserts 50361 spliced with each other, the second positioning installation groove 50042 is internally inserted with two second clamping inserts 50362 spliced with each other, the first positioning installation groove 50041 is detachably connected with the second positioning installation groove 50042 through a bolt and nut assembly 50363, and the bolt and nut assembly 50363 is inserted between the first clamping inserts 50361 and the second clamping inserts 50362 at two sides.
The first connecting plate 50342 and the second connecting plate 50343 at two ends of the positioning ring 5033 are connected by splicing and buckling, and the expansion connecting piece 5036 is installed inside for connection.
Referring to fig. 12, an elastic insert 50364 is disposed at one end of the second clamping insert 50362 facing the first clamping insert 50361, the elastic inserts 50364 are a plurality of plate structures disposed in parallel, the plurality of elastic inserts 50364 are connected by a connecting plate 50365, the elastic inserts 50364 and the first clamping insert 50361 are both in a rectangular trapezoid table structure, the first clamping insert 50361 is interposed between the two elastic inserts 50364, the length of the first clamping insert 50361 is greater than the depth inside the first positioning mounting groove 50041, and the length of the first clamping insert 50361 is greater than the depth inside the second positioning mounting groove 50042;
the bolt and nut assembly 50363 locks the first positioning installation groove 50041 and the second positioning installation groove 50042 on both sides, and extrudes the expansion connecting piece 5036 inserted in the inside, the first clamping inserts 50361 on both sides extrude the inner wall of the second positioning installation groove 50042, the second clamping inserts 50362 on both sides extrude the inner wall of the first positioning installation groove 50041 with the elastic inserts 50364, and the elastic inserts 50364 are inserted in the inner side of the second positioning installation groove 50042, and then extrude the second positioning installation groove 50042, deform the elastic inserts 50364, and increase the extrusion to the inner wall of the second positioning installation groove 50042.
In the process of installing the expansion connecting piece 5036, first, the first clamping inserts 50361 on two sides are inserted into the second positioning and mounting groove 50042, the second clamping inserts 50362 on the other side are inserted into the first positioning and mounting groove 50041, the elastic inserts 50364 positioned at the end part of the second clamping inserts 50362 are inserted into the outer side of the first clamping inserts 50361, and the inner wall of the second positioning and mounting groove 50042 is extruded by the first clamping inserts 50361;
the bolt and nut components 50363 are inserted into the first positioning mounting groove 50041 and the second positioning mounting groove 50042 in a penetrating manner, the bolt and nut components 50363 are used for locking the first positioning mounting groove 50041 and the second positioning mounting groove 50042 on the two sides, the expansion connecting piece 5036 inserted into the inner part is extruded, the first clamping inserts 50361 on the two sides are extruded on the inner wall of the second positioning mounting groove 50042, the second clamping inserts 50362 on the two sides are extruded on the inner wall of the first positioning mounting groove 50041 through the elastic inserts 50364, the elastic inserts 50364 are inserted into the inner side of the second positioning mounting groove 50042, the elastic inserts 50364 are deformed through extrusion of the second positioning mounting groove 50042, the extrusion on the inner wall of the second positioning mounting groove 50042 is increased, and then the connection between the first positioning mounting groove 50041 on the two sides and the second positioning mounting groove 50042 is realized through adjusting the tightness degree of the bolt and nut components 50363, so that the proper clamping on the outer side of the cylinder body 2 is realized.
When the first clamp insert 50361 and the second clamp insert 50362 are attached, the first clamp insert 50361 and the second clamp insert 50362 are required to be aligned.
The working principle of the invention is as follows: in the installation process of the large gear set 503, the side gears 5031 and the positioning rings 5033 on two sides are spliced and sleeved on the outer side of the cylinder 2, so that the large gear set 503 is conveniently installed, the elastic connecting piece 5035 has certain elasticity, and therefore, in the starting, speed adjusting and stopping processes of the cylinder 2, the large gear set 503 in a rotating state is elastically buffered to a certain degree, the large gear set 503 supports the side gears 5031 on the outer side, and after the large gear set 503 is driven by the small gear set 505, a driving force is provided for the cylinder 2 inside, so that the cylinder 2 rotates.
In the process of installing the positioning ring 5033, since the inner side of the positioning ring 5033 needs to tightly extrude the outer side of the cylinder 2, in the process of installing the positioning rings 5033 on both sides, the positioning rings 5033 on both sides need to be tightly fastened on the outer side of the cylinder 2, however, due to certain deformation caused by certain temperature change on the outer side of the cylinder 2, in the state that the pressure strength of the positioning rings 5033 on both sides to the outer side of the cylinder 2 is too high, the deformation of the cylinder 2 is easily caused, and then the connection elasticity is improved through the expansion connecting piece 5036 arranged between the positioning rings, and the connection stability can be ensured.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (10)

1. A lime calcination rotary kiln, comprising:
the reinforced concrete support seat (1) and the cylinder (2) arranged at the top of the reinforced concrete support seat (1);
the cylinder body (2) is arranged at the top of the reinforced concrete supporting seat (1) through a driving mechanism (5) and a tug bearing group (6) which are arranged on the side face, wherein the tug bearing group (6) is at least provided with two groups;
the driving mechanism (5) comprises a large gear set (503) fixedly clamped on the side surface of the cylinder body (2), the large gear set (503) is sequentially connected with the gearbox (502) in a transmission way through a small gear set (505), and the gearbox (502) provides power for the gearbox (502) through a driving motor (501) arranged;
the tug bearing group (6) comprises at least two groups of small tugs (604) used for providing support for the cylinder body (2), a large tug (601) abutted with the small tugs (604) on two sides is sleeved outside the cylinder body (2), the small tugs (604) on two sides are tangent with the outer side surfaces of the large tugs (601), the tug bearings (603) are rotatably arranged on two sides of the small tugs (604), the tug bearings (603) are fixedly arranged at the top of the reinforced concrete supporting seat (1), a heat-blocking plate (609) used for blocking heat of the tug bearings (603) is arranged on the side surfaces of the tug bearings (603), a heat-dissipating component (608) used for dissipating heat is arranged at the bottom of the heat-blocking plate (609), a heat-dissipating spring (607) is fixedly connected to the bottom of the heat-dissipating component (608), and the heat-dissipating spring (607) is fixedly arranged at the top of the reinforced concrete supporting seat (1) through a supporting frame (606) arranged.
The large gear set (503) comprises two side gears (5031) spliced with each other at the outer side, two positioning rings (5033) used for clamping and installing the side surfaces of the cylinder body (2) are arranged in the large gear set (503), the positioning rings (5033) are connected with the side gears (5031) at the two sides through elastic connecting pieces (5035) which are uniformly arranged, and the elastic connecting pieces (5035) have elasticity;
one end of the elastic connecting piece (5035) is provided with a second hinging ring (50352) which is hinged with the inner sides of the side gears (5031) on two sides, and two sides of the other end of the elastic connecting piece (5035) are provided with a first hinging ring (50351) which is hinged with the positioning ring (5033).
2. A lime calcination rotary kiln according to claim 1, wherein: one end of the cylinder body (2) is provided with a feeding end (3) for feeding and ignition, the other end of the cylinder body (2) is provided with a discharging end (4) for discharging, and the height of the feeding end (3) is higher than that of the discharging end (4).
3. A lime calcination rotary kiln according to claim 1, wherein: the reinforced concrete supporting seat (1) comprises a first base (101), a second base (102) and a third base (103) with the top surface at the same inclination angle with the cylinder body (2), and the top surfaces of the first base (101), the second base (102) and the third base (103) are positioned on the same plane with gradually reduced horizontal height.
4. A lime calcination rotary kiln according to claim 1, wherein: an inner connecting annular plate (602) which is used for being tightly sleeved with the outer side surface of the cylinder body (2) is arranged on the inner side of the large tug (601).
5. A lime calcination rotary kiln according to claim 1, wherein: the bottom of the supporting frame (606) is provided with a connecting bottom plate (605) which is perpendicular to the top surface of the reinforced concrete supporting seat (1), the heat shield (609) inclines towards one side of the cylinder body (2), and the heat shield (609) extends towards two sides and is suspended between the tug bearing (603) and the cylinder body (2).
6. A lime calcination rotary kiln according to claim 1, wherein: the heat dissipation components (608) are uniformly distributed plate-shaped, the heat dissipation components (608) are respectively welded with heat shields (609) and heat dissipation springs (607) on two sides, the heat dissipation springs (607) are in a strip-shaped flat shape, and at least two heat dissipation springs (607) are arranged.
7. A lime calcination rotary kiln according to claim 1, wherein: big gear set (503) outside cover is equipped with big gear cover (504), big gear cover (504) wherein one end bottom is equipped with fixed plate (5041), fixed plate (5041) are through expansion bolts fixed mounting at reinforced concrete supporting seat (1) top surface, big gear cover (504) other end bottom is equipped with oil guide groove (5042), oil guide groove (5042) other end is connected with oil storage groove (5043), oil storage groove (5043) top is equipped with injection pump (5044), injection pump (5044) top is equipped with fuel sprayer (5045) towards big gear set (503) downside one side.
8. A lime calcination rotary kiln according to claim 1, wherein: the novel gear box is characterized in that a first transmission gear (5011) is sleeved on an output shaft of the driving motor (501), the first transmission gear (5011) is connected with a second transmission gear (5021) in a meshed mode, the second transmission gear (5021) is rotationally connected with one side of the gear box (502), a transmission rod (5022) is arranged on the other side of the gear box (502) in a transmission mode with the second transmission gear (5021), the transmission rod (5022) and the gear transmission rod (5023) are fixedly mounted through bolts, the other end of the gear transmission rod (5023) is fixedly connected with a pinion set (505), and the pinion set (505) is in meshed transmission connection with a big gear set (503).
9. A lime calcination rotary kiln according to claim 1, wherein: the inner side of the side gear (5031) is provided with a hinged connecting buckle (5037) corresponding to the elastic connecting piece (5035), and the side surface of the positioning ring (5033) is provided with a hinged hole (50341) for hinging the other end of the elastic connecting piece (5035);
the two ends of the side gear (5031) are respectively provided with a first positioning plate (5038) and a second positioning plate (5039), and the side gears (5031) on the two sides are spliced through the corresponding first positioning plates (5038) and second positioning plates (5039);
a plurality of first positioning mounting grooves (50041) are formed in the outer side of the first positioning plate (5038), and a plurality of second positioning mounting grooves (50042) are formed in the outer side of the second positioning plate (5039);
the outer sides of the two ends of the positioning ring (5033) are respectively provided with a second connecting plate (50343) and a first connecting plate (50342), the second connecting plates (50343) corresponding to the end parts of the positioning ring (5033) on the two sides are spliced with the first connecting plates (50342), and the opposite sides of the second connecting plates (50343) and the first connecting plates (50342) are also provided with corresponding first positioning mounting grooves (50041) and second positioning mounting grooves (50042);
the first positioning and mounting groove (50041) is internally inserted with two first clamping plug-ins (50361) which are mutually spliced, the second positioning and mounting groove (50042) is internally inserted with two second clamping plug-ins (50362) which are mutually spliced, the first positioning and mounting groove (50041) is detachably connected with the second positioning and mounting groove (50042) through a bolt and nut assembly (50363) which is arranged, and the bolt and nut assembly (50363) is arranged between the first clamping plug-ins (50361) and the second clamping plug-ins (50362) on two sides in a penetrating mode.
10. A lime calcination rotary kiln according to claim 9, wherein: the second clamping insert (50362) is provided with an elastic insert (50364) towards one end of the first clamping insert (50361), the elastic insert (50364) is of a plurality of plate-shaped structures which are arranged in parallel, a plurality of elastic inserts (50364) are connected through a connecting plate (50365), the elastic inserts (50364) and the first clamping insert (50361) are of a rectangular trapezoid-shaped platform structure, the first clamping insert (50361) is inserted between the two elastic inserts (50364), the length of the first clamping insert (50361) is larger than the depth of the inner side of the first positioning mounting groove (50041), and the length of the first clamping insert (50361) is larger than the depth of the inner side of the second positioning mounting groove (50042);
the bolt and nut assembly (50363) is utilized to adjust the distance between the first positioning mounting groove (50041) and the second positioning mounting groove (50042) so that the first clamping insert (50361) presses the second clamping insert (50362) and the elastic insert (50364) to expand outwards, the elastic insert (50364) presses the inner wall of the first positioning mounting groove (50041), and friction force is increased to connect the two opposite side gears (5031) and the two opposite positioning rings (5033).
CN202211365383.3A 2022-11-03 2022-11-03 Lime roasting rotary kiln Active CN116793065B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211365383.3A CN116793065B (en) 2022-11-03 2022-11-03 Lime roasting rotary kiln

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Application Number Priority Date Filing Date Title
CN202211365383.3A CN116793065B (en) 2022-11-03 2022-11-03 Lime roasting rotary kiln

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CN116793065B CN116793065B (en) 2023-11-24

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843110A (en) * 2017-11-29 2018-03-27 浙江大东吴集团建设新材料有限公司 A kind of heated air circulation type Expanded Clay Rotary Kilns
CN110220374A (en) * 2019-05-27 2019-09-10 江苏鹏飞集团股份有限公司 The cylinder of rotary kiln of positive and negative Double-directional rotary
CN210004750U (en) * 2019-03-19 2020-01-31 镇江东亚碳素焦化有限公司 rotary kiln for petroleum coke production
CN211288699U (en) * 2019-12-14 2020-08-18 涿鹿金隅水泥有限公司 Lubricated transmission of rotary kiln
CN213840941U (en) * 2020-11-09 2021-07-30 湖州槐坎南方水泥有限公司 Kiln riding wheel shell surface heat sink
CN217131786U (en) * 2022-03-07 2022-08-05 河南亿水源净水材料科技有限公司 Calcium aluminate powder calcining equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107843110A (en) * 2017-11-29 2018-03-27 浙江大东吴集团建设新材料有限公司 A kind of heated air circulation type Expanded Clay Rotary Kilns
CN210004750U (en) * 2019-03-19 2020-01-31 镇江东亚碳素焦化有限公司 rotary kiln for petroleum coke production
CN110220374A (en) * 2019-05-27 2019-09-10 江苏鹏飞集团股份有限公司 The cylinder of rotary kiln of positive and negative Double-directional rotary
CN211288699U (en) * 2019-12-14 2020-08-18 涿鹿金隅水泥有限公司 Lubricated transmission of rotary kiln
CN213840941U (en) * 2020-11-09 2021-07-30 湖州槐坎南方水泥有限公司 Kiln riding wheel shell surface heat sink
CN217131786U (en) * 2022-03-07 2022-08-05 河南亿水源净水材料科技有限公司 Calcium aluminate powder calcining equipment

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