CN216048831U

CN216048831U - Drying and sintering integrated rotary kiln structure

Info

Publication number: CN216048831U
Application number: CN202121338149.2U
Authority: CN
Inventors: 张银亮; 陈欢; 杨陈; 何江
Original assignee: Hunan Zhongbang Renewable Resources Technology Co ltd
Current assignee: Hunan Zhongbang Renewable Resources Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-03-15
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a drying and sintering integrated rotary kiln structure which comprises a base, wherein a rotary kiln cylinder and a drying bin are fixedly connected to the top surface of the base, a drying cavity is formed in the drying bin, the rotary kiln cylinder comprises a fixed cylinder fixedly connected to the top surface of the base, the top surface of the base is positioned at two ends of the fixed cylinder and fixedly connected with a front cover and a rear cover respectively, and two rotary drums are rotatably connected between the fixed cylinder and the front cover and between the fixed cylinder and the rear cover respectively. According to the utility model, the drying and sintering structures are integrated, the process is saved, the efficiency is improved, meanwhile, two discharging impellers are arranged in the discharging assembly and are driven by the second motor to rotate towards opposite positions, on one hand, the dropping speed of the ceramsite is reduced, on the other hand, the ceramsite rolls, so that the contact time and area between the ceramsite and hot air are increased, the drying quality is ensured, on the other hand, the two rotary drums can be driven by the transmission assembly to rotate towards opposite directions, so that the ceramsite in the rotary cavity rolls more uniformly, and the sintering quality is improved.

Description

Drying and sintering integrated rotary kiln structure

Technical Field

The utility model relates to the technical field of rotary kiln equipment, in particular to a drying and sintering integrated rotary kiln structure.

Background

As is well known, ceramsite is ceramic particles produced by batching, granulating and sintering in a rotary kiln, has a spherical shape generally, has a smooth and hard surface, and can be used as aggregate of heat-insulating refractory materials, and can replace broken stones and pebbles in concrete. The sintering rotary kiln is a necessary device for sintering granulated raw material balls into ceramsite, a common ceramsite rotary kiln is a rotary cylinder device capable of calcining materials, and generally comprises a rotary cylinder body, a supporting device with a baffle wheel, a kiln head, a kiln tail sealing device, a heating device and the like, and the conventional rotary kiln has the following defects in use:

the existing rotary kiln can only sinter and cannot dry, so that drying and sintering are required to be carried out separately, the phenomenon of complicated production procedures is caused, meanwhile, when ceramsite is dried, the discharging speed of the ceramsite is high, the contact time of the ceramsite and hot air in a drying part is short, the drying quality is influenced, meanwhile, the rotation direction of the existing rotary kiln is single, and the ceramsite is heated unevenly and is easy to bond in the sintering process, so that the sintering quality is influenced.

Therefore, a drying and sintering integrated rotary kiln structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drying and sintering integrated rotary kiln structure to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a drying and sintering integrated rotary kiln structure comprises a base, wherein the top surface of the base is fixedly connected with a rotary kiln cylinder and a drying bin, a drying cavity is arranged in the drying bin, the rotary kiln cylinder comprises a fixed cylinder fixedly connected with the top surface of the base, the top surface of the base is respectively and fixedly connected with a front cover and a rear cover at the two ends of the fixed cylinder, the fixed cylinder and the front cover and the rear cover are respectively and rotatably connected with two rotary drums, the top surface of the base is fixedly connected with two transmission components respectively corresponding to the positions of the two rotary drums, each transmission component comprises a motor bin fixedly connected with the top surface of the base, a first motor is fixedly connected in the motor bin, a notch is formed in the top surface of the motor bin, a rotating shaft of the first motor is positioned in the notch and fixedly connected with a driving gear, the outer side of the rotary drum is fixedly sleeved with a driven gear, the driven gear is connected in the notch in a sliding mode and is in meshed connection with a driving gear, and the directions of two first motors in the two transmission assemblies are opposite.

Preferably, the top surface of the motor bin is rotatably connected with a grooved wheel, the rotary drum is fixedly sleeved with an annular rail, and the grooved wheel is in contact with the annular rail.

Preferably, dry chamber top surface rigid coupling unloading subassembly, the unloading subassembly includes the unloading side pipe of rigid coupling at dry chamber top surface, two arc portions, two are seted up to unloading side intraductal both sides, two unloading impellers of arc portion internal rotation connection, unloading side pipe outside rigid coupling second motor, second motor shaft department rigid coupling worm, two unloading impeller pivot department is located two worm wheels of unloading side pipe outside rigid coupling respectively, two worm wheel meshing connects the worm, two the worm wheel is located the worm both sides respectively, set up a plurality of through-holes on the side wall of unloading side pipe, dry storehouse top surface rigid coupling feed opening, dry intracavity rigid coupling unloading return bend, feed opening and unloading return bend all communicate unloading side pipe.

Preferably, the drying component is fixedly connected with the inside of the drying cavity and comprises a shell fixedly connected with the inner side wall of the drying cavity, one end of the shell, far away from the side wall of the drying cavity, is fixedly connected with an electric heating wire, the shell is fixedly connected with a plurality of third motors, and the rotating shafts of the third motors are fixedly connected with fans.

Preferably, a rotary cavity is formed in the rotary kiln cylinder, a feed inlet is formed in the front cover and communicated with the feeding square tube, a discharge outlet is formed in the rear cover, and a sealing cover is inserted in the discharge outlet.

Preferably, a heating assembly is fixedly connected in the rotary cavity, the heating assembly comprises a heating rod fixedly connected in the center between the front cover and the rear cover, a plurality of stirring rods are fixedly connected to the outer sides of the heating rod, and a heat conduction net is fixedly connected to the stirring rods.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the drying and sintering structures are integrated, the process is saved, the efficiency is improved, meanwhile, two discharging impellers are arranged in the discharging assembly and are driven by the second motor to rotate towards opposite positions, on one hand, the dropping speed of the ceramsite is reduced, on the other hand, the ceramsite rolls, so that the contact time and area between the ceramsite and hot air are increased, the drying quality is ensured, on the other hand, the two rotary drums can be driven by the transmission assembly to rotate towards opposite directions, so that the ceramsite in the rotary cavity rolls more uniformly, and the sintering quality is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged structural view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged structural schematic diagram of the blanking assembly of the present invention.

In the figure: the device comprises a base 1, a rotary kiln cylinder 2, a drying chamber 3, a rotary cavity 4, a transmission assembly 5, a heating assembly 6, a blanking assembly 7, a drying assembly 8, a fixed cylinder 21, a front cover 22, a rear cover 23, a rotary cylinder 24, a drying chamber 31, a blanking elbow 32, a blanking opening 33, a feeding opening 41, a discharging opening 42, a sealing cover 43, a motor chamber 51, a first motor 52, a notch 53, a driving gear 54, a driven gear 55, a grooved wheel 56, a circular track 57, a heating rod 61, a stirring rod 62, a heat conducting net 63, a blanking square tube 71, an arc opening 72, a blanking impeller 73, a worm wheel 74, a second motor 75, a worm 76, a through hole 77, a shell 81, an electric heating wire 82, a third motor 83 and a fan 84.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a drying and sintering integrated rotary kiln structure comprises a base 1, wherein the top surface of the base 1 is fixedly connected with a rotary kiln cylinder 2 and a drying bin 3, a drying cavity 31 is formed in the drying bin 3, the rotary kiln cylinder 2 comprises a fixed cylinder 21 fixedly connected to the top surface of the base 1, the top surface of the base 1 is positioned at two ends of the fixed cylinder 21 and is fixedly connected with a front cover 22 and a rear cover 23 respectively, and two rotary drums 24 are rotatably connected between the fixed cylinder 21 and the front cover 22 and between the fixed cylinder 21 and the rear cover 23 respectively;

referring to fig. 2-3, the top surface of the drying chamber 31 is fixedly connected with a blanking assembly 7, the blanking assembly 7 includes a blanking square tube 71 fixedly connected to the top surface of the drying chamber 31, two arc parts 72 are formed on two sides of the inner side of the blanking square tube 71, two blanking impellers 73 are rotatably connected to the two arc parts 72, a second motor 75 is fixedly connected to the outer side of the blanking square tube 71, a worm 76 is fixedly connected to the rotating shaft of the second motor 75, two worm gears 74 are respectively fixedly connected to the outer sides of the blanking square tube 71 at the rotating shaft of the two blanking impellers 73, the two worm gears 74 are engaged with the worm 76, the two worm gears 74 are respectively located on two sides of the worm 76, a plurality of through holes 77 are formed on the side wall of the blanking square tube 71, a blanking outlet 33 is fixedly connected to the top surface of the drying chamber 3, a blanking elbow 32 is fixedly connected to the drying chamber 31, the blanking outlet 33 and the blanking elbow 32 are both communicated with the blanking assembly 4, when in use, two blanking impellers 73 are arranged in the blanking assembly 4, the two discharging impellers 73 are driven by the second motor 75 to rotate towards opposite positions, so that the falling speed of the ceramsite is reduced, and the ceramsite rolls to facilitate drying.

Referring to fig. 2, the drying module 8 is fixedly connected in the drying chamber 31, the drying module 8 includes a housing 81 fixedly connected to the inner side wall of the drying chamber 31, one end of the housing 81 far from the side wall of the drying chamber 31 is fixedly connected to the heating wire 82, a plurality of third motors 83 are fixedly connected in the housing 81, and the rotating shafts of the third motors 83 are fixedly connected to the fans 84, and in the discharging process, the drying modules 8 on both sides dry the ceramic particles and then fall into the discharging elbow 32.

Referring to fig. 2, a rotary cavity 4 is formed in a rotary kiln tube 2, a feed inlet 41 is formed in a front cover 22, the feed inlet 41 is communicated with a discharging square tube 71, a discharge outlet 42 is formed in a rear cover 23, a sealing cover 43 is inserted into the discharge outlet 42, and then ceramsite falls into the rotary cavity 4 through the feed inlet 41 from a discharging elbow 32.

Referring to fig. 2, a heating assembly 6 is fixedly connected in the rotary cavity 4, the heating assembly 6 includes a heating rod 61 fixedly connected at the center between the front cover 22 and the rear cover 23, a plurality of stirring rods 62 are fixedly connected outside the heating rod 61, a heat conducting net 63 is fixedly connected on the stirring rods 62, and the ceramsite is sintered in the rotary cavity 4 through the heating assembly 6 and then taken out from the discharge port 42.

Referring to fig. 2, two transmission assemblies 5 are fixedly connected to the top surface of the base 1 corresponding to the two rotary drums 24, each transmission assembly 5 includes a motor chamber 51 fixedly connected to the top surface of the base 1, a first motor 52 is fixedly connected to the motor chamber 51, a notch 53 is formed in the top surface of the motor chamber 51, a rotating shaft of the first motor 52 is located in the notch 53 and fixedly connected to a driving gear 54, a driven gear 55 is fixedly sleeved to the outer side of the rotary drum 24, the driven gear 55 is slidably connected to the notch 53 and is engaged with the driving gear 54, the two first motors 52 in the two transmission assemblies 5 are opposite in rotation direction, a grooved wheel 56 is rotatably connected to the top surface of the motor chamber 51, a circular rail 51 is fixedly sleeved to the rotary drum 24, the grooved wheel 56 contacts the circular rail 51, and the transmission assemblies 5 can drive the two rotary drums 24 to rotate in opposite directions, so that the ceramsite in the rotary chamber 4 rolls more uniformly and the sintering quality is improved.

The working principle is as follows: when the ceramic particle feeding device is used, ceramic particles are fed into the feeding component 4 from the feeding port 33, the drying components 8 on the two sides finish drying the ceramic particles in the feeding process, then the ceramic particles fall into the feeding elbow 32, then the ceramic particles fall into the rotary cavity 4 from the feeding elbow 32 through the feeding port 41, the ceramic particles are sintered in the rotary cavity 4 through the heating component 6, and then the ceramic particles are taken out from the discharging port 42. According to the utility model, the drying and sintering structures are integrated, the process is saved, the efficiency is improved, meanwhile, two discharging impellers 73 are arranged in the discharging component 4, and the two discharging impellers 73 are driven by the second motor 75 to rotate towards opposite positions, so that the dropping speed of the ceramsite is reduced, the ceramsite rolls, the contact time and area between the ceramsite and hot air are increased, the drying quality is ensured, and the two rotary drums 24 can be driven to rotate towards opposite directions through the transmission component 5, so that the ceramsite in the rotary cavity 4 rolls more uniformly, and the sintering quality is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dry sintering integration rotary kiln structure, includes base (1), base (1) top surface rigid coupling rotary kiln section of thick bamboo (2) and dry storehouse (3), its characterized in that:

a drying cavity (31) is formed in the drying bin (3), the rotary kiln cylinder (2) comprises a fixed cylinder (21) fixedly connected to the top surface of the base (1), the top surface of the base (1) is located at two ends of the fixed cylinder (21) and fixedly connected with a front cover (22) and a rear cover (23) respectively, and two rotary drums (24) are rotatably connected between the fixed cylinder (21) and the front cover (22) and between the fixed cylinder and the rear cover (23) respectively;

the base (1) top surface corresponds two rotary drum (24) position and is fixedly connected two drive assembly (5) respectively, drive assembly (5) are including motor storehouse (51) of rigid coupling at base (1) top surface, rigid coupling first motor (52) in motor storehouse (51), notch (53) are seted up to motor storehouse (51) top surface, first motor (52) pivot department is located notch (53) and rigid coupling driving gear (54), the fixed cover of rotary drum (24) outside is followed moving gear (55), driven gear (55) sliding connection is in notch (53) and meshing connection driving gear (54), two first motor (52) in drive assembly (5) turn to opposite.

2. The drying and sintering integrated rotary kiln structure as claimed in claim 1, wherein: the top surface of the motor bin (51) is rotatably connected with a grooved pulley (56), a ring rail (57) is fixedly sleeved on the rotary drum (24), and the grooved pulley (56) is in contact with the ring rail (57).

3. The drying and sintering integrated rotary kiln structure as claimed in claim 1, wherein: the unloading subassembly (7) of dry chamber (31) top surface rigid coupling, unloading subassembly (7) includes unloading side pipe (71) of rigid coupling at dry chamber (31) top surface, two arc portion (72) are seted up to unloading side pipe (71) both sides in, two unloading impeller (73) of arc portion (72) internal rotation connection, unloading side pipe (71) outside rigid coupling second motor (75), second motor (75) pivot department rigid coupling worm (76), two unloading impeller (73) pivot department is located unloading side pipe (71) outside rigid coupling two worm wheel (74) respectively, two worm wheel (74) meshing connection worm (76), two worm wheel (74) are located worm (76) both sides respectively, set up a plurality of through-holes (77) on unloading side pipe (71) lateral wall, dry storehouse (3) top surface rigid coupling unloading mouth (33), drying chamber (31) internal rigid coupling unloading return bend (32), feed opening (33) and unloading return bend (32) all communicate unloading side pipe (71).

4. The drying and sintering integrated rotary kiln structure as claimed in claim 1, wherein: dry assembly (8) of rigid coupling in dry chamber (31), dry assembly (8) include casing (81) of rigid coupling in dry chamber (31) inside wall, dry chamber (31) lateral wall one end rigid coupling heating wire (82) are kept away from in casing (81), a plurality of third motors (83) of rigid coupling in casing (81), third motor (83) pivot department rigid coupling fan (84).

5. A drying and sintering integrated rotary kiln structure as claimed in claim 3, wherein: set up gyration chamber (4) in rotary kiln section of thick bamboo (2), set up feed inlet (41) on protecgulum (22), feed inlet (41) intercommunication unloading side pipe (71), set up discharge gate (42) on back lid (23), sealed lid (43) of grafting is located in discharge gate (42).

6. The drying and sintering integrated rotary kiln structure as claimed in claim 5, wherein: the rotary cavity (4) is internally and fixedly connected with a heating assembly (6), the heating assembly (6) comprises a heating rod (61) fixedly connected between the front cover (22) and the rear cover (23) in the center, the outer side of the heating rod (61) is fixedly connected with a plurality of stirring rods (62), and the stirring rods (62) are fixedly connected with a heat conduction net (63).