CN115468416A - Tunnel cave calcination conveying equipment - Google Patents

Abstract

The invention belongs to the field of tunnel kiln roasting, and particularly relates to tunnel kiln roasting conveying equipment which comprises a preheating kiln, a roasting kiln, a cooling kiln, a driving mechanism and kiln car mechanisms, wherein a plurality of kiln car mechanisms which are sequentially connected and carry lepidolite sequentially pass through the preheating kiln, the roasting kiln and the cooling kiln to roast the lepidolite. The invention can avoid the condition that a plurality of kiln car mechanisms connected end to end are in flash or impact with each other due to stop and go in the kiln body by the matching of the two driving mechanisms and the kiln car mechanisms which are symmetrically arranged in the three kiln bodies, thereby effectively protecting a refractory layer A and a refractory layer B on the kiln car mechanisms. In addition, the connection between the kiln car mechanisms can be realized without manual operation, and the connection between the kiln car mechanisms can be realized only by pushing the kiln car mechanism behind to move towards the kiln car mechanism ahead, so that the high temperature of a kiln body is prevented from hurting workers.

Description

Tunnel cave calcination conveying equipment

Technical Field

The invention belongs to the field of tunnel kiln roasting, and particularly relates to tunnel kiln roasting conveying equipment.

Background

The tunnel kiln is a long straight tunnel with fixed walls and vault on its two sides and top, and a kiln car is running on the track laid on its bottom, and the ceramic blank on the kiln car is passed through preheating zone, high-temp. zone and cooling zone in turn to complete the roasting of metallurgical abrasive material.

In the tunnel kiln, a plurality of kiln cars which are connected end to end are used for roasting ceramic blanks or grinding materials which are arranged in the kiln cars, and the kiln cars need to stop in the tunnel kiln because the ceramic blanks or the grinding materials need to be heated and roasted for a certain time in a high-temperature zone which is positioned in the middle. Because of the great quality of kiln car, so end to end's kiln car can take place to dodge one by one because of inertia when starting or the circumstances of striking each other takes place for inertia when stopping to lead to the vibration of heat-resisting brick on the kiln car, make on the kiln car form the flame retardant coating by heat-resisting brick and take place to damage because of the vibration.

In the roasting process of a traditional tunnel kiln, a kiln car newly entering the kiln and a kiln car positioned in the kiln are impacted with each other due to different stresses, and heat-resistant bricks on the kiln car are damaged.

In addition, the connection between the kiln car newly entering the kiln and the kiln car in the kiln is generally performed through manual operation, and the working environment is severe due to the fact that the temperature of a kiln body is high, and manual connection operation is not facilitated.

The invention designs a tunnel kiln roasting conveying device to solve the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses tunnel kiln roasting conveying equipment which is realized by adopting the following technical scheme.

A kind of tunnel kiln roasts the conveying equipment, it includes preheating kiln, roasting kiln, cooling kiln, driving mechanism, kiln car organization, wherein several kiln car organizations that connect sequentially and carry lepidolite carry on the roasting of lepidolite through preheating kiln, roasting kiln and cooling kiln sequentially; two driving mechanisms which are synchronously started and synchronously slowly stopped are symmetrically arranged on two sides in the kiln body; the rear kiln car mechanism can be manually pushed to complete the connection of the front kiln car mechanism, and the front kiln car mechanism can be manually pulled to complete the disconnection of the front kiln car mechanism and the rear kiln car mechanism.

The kiln car mechanism and the preheating kiln are provided with structures for quickly preheating the lepidolite in the kiln car mechanism.

As a further improvement of the technology, the kiln car mechanism comprises a base, wheels, a refractory layer A, a refractory layer B, an iron chain, a connector A and a connector B, wherein the base is provided with the refractory layer A filled with lepidolite, and the base is provided with the wheels matched with the rails; a plurality of vertically distributed refractory layers B are embedded outside the refractory layer A, the base is connected with the bottom refractory layer B through two iron chains allowing the two refractory layers B to have a vertical movement distance, and any two adjacent refractory layers B are connected through two iron chains allowing the two refractory layers B to have a vertical movement distance; two guide columns on two sides of the top refractory layer B are respectively matched with two lifting rails on two sides in the preheating kiln; the front end of the base is provided with a connector A, and the rear end of the base is provided with a connector B matched with the connector A on the adjacent base.

As a further improvement of the technology, the connector A comprises a stud and a mandril, wherein the stud matched with the connector B is fixed on the base, and the mandril matched with the connector B is arranged at the tail end of the stud.

As a further improvement of the technology, the connector B comprises a square sleeve A, a locking block, a driving lever A, a spring B, a square sleeve B, a spring C, a rack, a sliding rod, a gear ring B, a driving lever B, an annular sleeve B, a spring D and a spring E, wherein the square sleeve B horizontally slides in the square sleeve A fixed on the base and is provided with the spring C for resetting the square sleeve B; a lock block which is used for friction locking of the square sleeve B moving outwards relative to the square sleeve A slides in the two sliding grooves B on the inner wall of the square sleeve A, a spring B for resetting the lock block is arranged in the two sliding grooves B, and a deflector rod A for manually unlocking the lock block relative to the square sleeve B is arranged on the lock block; the square sleeve A is provided with a structure for locking the initial position of the square sleeve B; a sliding rod and a spring E for resetting the sliding rod are horizontally slid in the square sleeve B, a gear ring B which is driven by a rack in the square sleeve B in a one-way mode is nested and rotated on the sliding rod, a ring sleeve B which is in threaded fit with a stud on the connector A and a spring D for axially resetting the ring sleeve B are nested and rotated on the sliding rod, four shift levers B which are uniformly distributed in the circumferential direction on the end face of the gear ring B axially slide in four sliding grooves C on the end face of the ring sleeve B respectively, and a circular plate on the end face of the sliding rod is matched with an ejector rod of the connector A.

As a further improvement of the technology, a limiting rod matched with the end face of the square sleeve B slides in a ring sleeve A at two sliding grooves A on the side wall of the square sleeve A, and a spring A for resetting the limiting rod is arranged; a rotating shaft D is rotationally matched in the rotating seat C in the sliding rod, a gear K on the rotating shaft D is meshed with a gear L installed on the sliding rod, and the gear L is meshed with the gear ring B; and a gear H matched with the rack is arranged on a rotating shaft C in rotary fit with the slide bar, and a gear J arranged on the rotating shaft D is meshed with a gear I arranged on the rotating shaft C through a one-way clutch.

As a further improvement of the technology, an air circulating device which circulates heat carried by the kiln car mechanism and the lepidolite on the kiln car mechanism into the preheating kiln is arranged between the preheating kiln and the cooling kiln.

As a further improvement of the technology, the driving mechanism comprises a rotary seat A, a pipe sleeve, a screw rod, an internal thread sleeve, a gear ring A, a gear A, a rotary shaft A, a motor A, a rotary sleeve A, a driving block, a blocking block, a gear D, a rotary seat B, a rotary shaft B, a gear E, a rotary sleeve B and a motor B, wherein the rotary shafts A driven by the motor A are rotationally matched in a plurality of rotary seats A distributed on one side of the kiln body at the center distance of any two adjacent kiln car mechanisms, the screw rod axially slides in the pipe sleeve installed on the rotary seat A, and the internal thread sleeve matched with the screw rod is nested and rotated on the pipe sleeve; a gear ring A arranged on the internal thread sleeve is meshed with a gear A arranged on a rotating shaft A, a driving block and a stopping block which are circumferentially spaced by 180 degrees and axially spaced are arranged on a rotating sleeve A which is nested and rotates on the screw rod, and the driving block and the stopping block are matched with a fixed block on the corresponding side of a kiln car mechanism base; a rotary sleeve B driven by a motor B rotates in the rotary seat A at the inlet of the preheating kiln, a rotating shaft B which rotates circumferentially and is in axial sliding fit with other rotary seats A is axially slid in the rotary sleeve B, and the rotary seat B on the screw is in rotating fit with the rotating shaft B; the gear D arranged on the rotating sleeve A is meshed with the gear E on the rotating shaft B.

As a further improvement of the technology, a gear B arranged at one end of the rotating shaft A is meshed with a gear C arranged on an output shaft of the motor A.

As a further improvement of the technology, a gear F arranged on the rotating sleeve B is meshed with a gear G arranged on an output shaft of the motor B.

Compared with the traditional tunnel kiln roasting equipment, the invention can avoid the condition that a plurality of kiln car mechanisms connected end to end are in one-flash-one-flash or mutually impacted due to stop and go in the kiln body by the matching of two driving mechanisms symmetrically arranged in three kiln bodies and the kiln car mechanisms, thereby effectively protecting the refractory layer A and the refractory layer B on the kiln car mechanisms.

According to the invention, a plurality of refractory layers A on the kiln car mechanism can be separated at intervals along the vertical direction when moving in the preheating kiln, so that the materials in the kiln car mechanism can be quickly preheated. After the kiln car mechanism enters the roasting kiln and the cooling kiln, the refractory layer A on the kiln car mechanism can be reset to ensure that the materials in the kiln car mechanism cannot lose heat, so that the materials in the kiln car mechanism can circulate the heat carried by the materials into the preheating kiln through the air circulation device after roasting is finished, and the kiln car mechanism entering the preheating kiln can be effectively preheated.

In addition, the connection between the kiln car mechanisms can be realized without manual operation, and the connection between the kiln car mechanisms can be realized only by pushing the kiln car mechanism behind to move towards the kiln car mechanism, so that the high temperature of a kiln body is prevented from hurting workers.

The invention has simple structure and better use effect.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention and its entirety.

Fig. 2 is a schematic cross-sectional view of two driving mechanisms and a kiln car mechanism in two viewing angles.

Fig. 3 is a schematic partial cross-sectional view of the drive mechanism from two perspectives.

Fig. 4 is a schematic cross-sectional view of the mechanism of two adjacent kiln cars.

Fig. 5 is a schematic cross-sectional view of the connector a and the connector B from two different viewing angles.

Fig. 6 is a schematic sectional view of the transmission fit of the gear H and the gear K.

Fig. 7 is a schematic sectional view of the kiln car mechanism and its components.

Fig. 8 is a schematic cross-sectional view of the square sleeve a.

Fig. 9 is a cross-sectional view of the sliding rod and the ring B.

Fig. 10 is a schematic view of a lock block.

Number designation in the figure: 1. preheating a kiln; 2. a roasting kiln; 3. cooling the kiln; 4. a track; 5. an air circulation device; 6. lifting the rail; 7. a drive mechanism; 8. a transposition A; 9. pipe sleeve; 10. a guide key A; 11. a screw; 12. a key groove A; 13. an internal thread sleeve; 14. a gear ring A; 15. a gear A; 16. a rotating shaft A; 17. a gear B; 18. a gear C; 19. a motor A; 20. rotating a sleeve A; 21. a drive block; 22. a gear D; 23. a transposable B; 24. a rotating shaft B; 25. a gear E; 26. a guide key B; 27. rotating a sleeve B; 28. a gear F; 29. a gear G; 30. a motor B; 31. a kiln car mechanism; 32. a base; 33. a wheel; 34. a fixed block; 35. a refractory layer A; 36. a guide bar; 37. a refractory layer B; 38. an iron chain; 39. a guide post; 40. a connector A; 41. a stud; 42. a top rod; 43. a connector B; 44. a square sleeve A; 45. a guide groove A; 46. a chute A; 47. a chute B; 48. a guide groove B; 49. a ring sleeve A; 50. a spring A; 51. a limiting rod; 52. a locking block; 53. a guide block B; 54. a deflector rod A; 55. a spring B; 56. a square sleeve B; 57. a guide groove C; 58. a guide block A; 59. a spring C; 60. a rack; 61. a slide bar; 62. a circular plate; 63. a rotating shaft C; 64. a gear H; 65. a one-way clutch; 66. a gear I; 67. gear J; 68. a rotating shaft D; 69. a transposable C; 70. a gear K; 71. a gear L; 72. a gear ring B; 73. a deflector rod B; 74. a ring sleeve B; 75. a chute C; 76. a spring D; 77. a spring E; 78. a blocking block; 79. a guide block C; 80. a key groove B.

Detailed Description

The drawings are schematic illustrations of the implementation of the present invention to facilitate understanding of the principles of structural operation. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.

As shown in fig. 1, it comprises a preheating kiln 1, a roasting kiln 2, a cooling kiln 3, a driving mechanism 7 and a kiln car mechanism 31, wherein as shown in fig. 1, 2 and 3, a plurality of kiln car mechanisms 31 which are connected in sequence and carry lepidolite pass through the preheating kiln 1, the roasting kiln 2 and the cooling kiln 3 in sequence to roast the lepidolite; two driving mechanisms 7 which synchronously start and synchronously slow-stop all kiln car mechanisms 31 are symmetrically arranged on two sides in the kiln body; as shown in fig. 4, 5 and 7, the rear kiln car mechanism 31 can be manually pushed to complete the connection with the front kiln car mechanism 31, and the front kiln car mechanism 31 can be manually pulled to complete the disconnection with the rear kiln car mechanism 31.

As shown in fig. 1 and 7, the kiln car mechanism 31 and the preheating kiln 1 have a structure for quickly preheating the lepidolite in the kiln car mechanism 31.

As shown in fig. 7, the kiln car mechanism 31 includes a base 32, wheels 33, a refractory layer a35, a refractory layer B37, an iron chain 38, a connector a40, and a connector B43, wherein as shown in fig. 1 and 7, the base 32 has the refractory layer a35 filled with lepidolite, and the wheels 33 fitted with the rails 4 are mounted on the base 32; a plurality of vertically distributed refractory layers B37 are embedded outside the refractory layer A35, the base 32 is connected with the bottom refractory layer B37 through two iron chains 38 allowing the two refractory layers to have vertical movement intervals, and any two adjacent refractory layers B37 are connected through two iron chains 38 allowing the two refractory layers to have vertical movement intervals; two guide posts 39 on two sides of the top refractory layer B37 are respectively matched with two lifting rails 6 on two sides in the preheating kiln 1; the base 32 has a connector A40 at the front end and a connector B43 at the rear end of the base 32 that mates with the connector A40 on the adjacent base 32.

As shown in fig. 5 and 7, the connecting head a40 includes a stud 41 and a push rod 42, wherein the stud 41 matching with the connecting head B43 is fixed on the base 32, and the end of the stud 41 has the push rod 42 matching with the connecting head B43.

As shown in fig. 5, 6 and 7, the connector B43 includes a square sleeve a44, a locking block 52, a shift lever a54, a spring B55, a square sleeve B56, a spring C59, a rack 60, a sliding rod 61, a gear ring B72, a shift lever B73, a ring sleeve B74, a spring D76 and a spring E77, wherein as shown in fig. 5, 8 and 10, the square sleeve B56 horizontally moves in the square sleeve a44 fixed on the base 32 and is provided with the spring C59 for restoring the square sleeve B56; the two sliding grooves B47 on the inner wall of the square sleeve A44 are internally provided with a locking block 52 which frictionally locks the square sleeve B56 moving outwards to the square sleeve A44 in a sliding way, a spring B55 which resets the locking block 52 is arranged, and the locking block 52 is provided with a shifting lever A54 which manually releases the locking of the locking block 52 to the square sleeve B56; the square sleeve A44 is provided with a structure for locking the initial position of the square sleeve B56; as shown in fig. 5 and 6, the square sleeve B56 has a sliding rod 61 and a spring E77 for restoring the sliding rod 61 horizontally, the sliding rod 61 is nested and rotated with a gear ring B72 driven by the rack 60 in the square sleeve B56 in one direction, and nested and rotated with a ring sleeve B74 in threaded fit with the stud 41 on the connector a40 and a spring D76 for restoring the ring sleeve B74 axially; as shown in fig. 5 and 9, four shift levers B73 uniformly distributed on the end face of the gear ring B72 in the circumferential direction axially slide in four sliding grooves C75 on the end face of the ring sleeve B74, respectively, and the circular plate 62 on the end face of the sliding rod 61 is engaged with the push rod 42 of the connector a 40.

As shown in fig. 5 and 8, a limiting rod 51 matched with the end face of the square sleeve B56 slides in a ring sleeve a49 at two sliding grooves a46 on the side wall of the square sleeve a44, and a spring a50 for resetting the limiting rod 51 is installed; as shown in fig. 5, 6 and 8, a rotating shaft D68 is rotationally fitted in a rotating seat C69 in the sliding rod 61, a gear K70 on the rotating shaft D68 is meshed with a gear L71 mounted on the sliding rod 61, and the gear L71 is meshed with a gear ring B72; a gear H64 engaged with the rack 60 is mounted on a rotating shaft C63 rotatably engaged with the slide bar 61, and a gear J67 mounted on a rotating shaft D68 is engaged with a gear I66 mounted on the rotating shaft C63 via a one-way clutch 65.

As shown in fig. 1, an air circulation device 5 for circulating heat carried by the kiln car mechanism 31 and the lepidolite on the kiln car mechanism 31 into the preheating kiln 1 is installed between the preheating kiln 1 and the cooling kiln 3.

As shown in fig. 2 and 3, the driving mechanism 7 includes a rotation base A8, a pipe sleeve 9, a screw 11, an internal thread sleeve 13, a gear ring a14, a gear a15, a rotation shaft a16, a motor a19, a rotation sleeve a20, a driving block 21, a blocking block 78, a gear D22, a rotation base B23, a rotation shaft B24, a gear E25, a rotation sleeve B27, and a motor B30, wherein as shown in fig. 1, 2, and 3, the rotation shafts a16 driven by the motor a19 are rotationally fitted in a plurality of rotation bases A8 distributed on one side of the kiln body at intervals between centers of any two adjacent kiln car mechanisms 31, the screw 11 axially slides in the pipe sleeve 9 mounted on the rotation bases A8, and the internal thread sleeve 13 fitted with the screw 11 is nested and rotated on the pipe sleeve 9; a gear ring A14 arranged on the internal thread sleeve 13 is meshed with a gear A15 arranged on a rotating shaft A16, a driving block 21 and a stopping block 78 which are circumferentially spaced by 180 degrees and axially spaced are arranged on a rotating sleeve A20 nested and rotated on the screw rod 11, and the driving block 21 and the stopping block 78 are matched with a fixed block 34 on the corresponding side of a base 32 of the kiln car mechanism 31; a rotary sleeve B27 driven by a motor B30 rotates in the rotary seat A8 at the inlet of the preheating kiln 1, a rotating shaft B24 which rotates circumferentially and is in axial sliding fit with other rotary seats A8 is axially slid in the rotary sleeve B27, and a rotary seat B23 on the screw 11 is in rotating fit with the rotating shaft B24; the gear D22 mounted on the rotating sleeve a20 meshes with the gear E25 on the rotating shaft B24.

As shown in fig. 2, a gear B17 mounted on one end of the rotating shaft a16 is engaged with a gear C18 mounted on an output shaft of a motor a 19.

As shown in fig. 2, a gear F28 mounted on the sleeve B27 meshes with a gear G29 mounted on an output shaft of the motor B30.

As shown in fig. 7, four guide rods 36 are symmetrically mounted on the base 32, and are correspondingly matched with four circular grooves on the flame retardant coating B37. As shown in fig. 5 and 8, two guide blocks a58 symmetrically mounted on the square sleeve B56 slide in the two guide grooves a45 of the inner wall of the square sleeve a44, respectively. As shown in fig. 5, 8 and 10, two guide blocks B53 symmetrically mounted on the locking block 52 slide in two guide grooves B48 on the inner wall of the corresponding slide groove B47, respectively. As shown in fig. 5 and 9, two guide blocks C79 symmetrically mounted on the slide rod 61 slide in two guide grooves C57 on the inner wall of the square sleeve B56, respectively. As shown in fig. 2 and 3, two guide keys a10 symmetrically installed in the pipe sleeve 9 respectively slide in two key slots a12 on the corresponding screw 11, and two guide keys B26 symmetrically installed on the rotating shaft B24 respectively slide in two key slots B80 on the inner wall of the rotating sleeve B27.

The motor a19 and the motor B30 of the present invention both adopt the prior art.

The working process of the invention is as follows: in the initial state, the driving block 21 and the blocking block 78 on each rotating sleeve A20 in the two driving mechanisms 7 are in the same horizontal plane, and the blocking block 78 is in a state of being matched with the fixing block 34 on the kiln car mechanism 31. The spring D76 in the connection head B43 of the kiln car mechanism 31 is in a natural state, and the spring a50, the spring B55, the spring C59 and the spring E77 are all in a compressed state. The rack 60 in the coupling head B43 is not engaged with the gear H64. Two locking blocks 52 in the connector B43 are pressed against the outer wall of the lower sleeve B56 under the action of a spring B55.

When the lepidolite material is required to be roasted by using the invention, the lepidolite master batch is filled in one kiln car mechanism 31 and is mechanically pulled into the preheating kiln 1, when two fixing blocks 34 on the kiln car mechanism 31 filled with the lithium mica master batch meet with the first blocking block 78 in the corresponding driving mechanism 7, the motors A19 in the two driving mechanisms 7 are started, and at the moment, most of the car bodies of the kiln car mechanism 31 filled with the lithium mica master batch enter the preheating kiln 1. A motor A19 in each driving mechanism 7 drives a corresponding rotating shaft A16 to rotate through a corresponding gear C18 and a gear B17, the rotating shaft A16 drives all gears A15 on the rotating shaft A16 to synchronously rotate, the gears A15 drive corresponding internal thread sleeves 13 to rotate relative to the pipe sleeves 9 through gear rings A14, the internal thread sleeves 13 axially contract towards the pipe sleeves 9 through corresponding screw rods 11, the screw rods 11 drive rotating shafts B24 which are in rotating fit with the screw rods 11 to synchronously axially move through rotating bases B23 on the screw rods 11, meanwhile, the screw rods 11 drive the blocking blocks 78 and the driving blocks 21 to synchronously axially move slowly through rotating sleeves A20, and the blocking blocks 78 buffer and stop the kiln car mechanisms 31. As the kiln car mechanism 31 is slowly stopped, the motor a19 is gradually reduced in operation speed and finally stopped, the kiln car mechanism 31 filled with the materials is slowly stopped as the blocking block 78 is stopped, and the body of the kiln car mechanism 31 is substantially completely entered into the preheating kiln 1.

Then, the second full-charge kiln car mechanism 31 is pushed to be connected to the first kiln car mechanism 31 entering the preheating kiln 1 along the rail 4, and the first kiln car mechanism 31 entering the preheating kiln 1 is prevented from moving under the blocking of the blocking block 78.

The process of connecting the two kiln car mechanisms 31 to each other is as follows: the front end connector A40 of the kiln car mechanism 31 positioned at the rear is matched with the rear end connector B43 of the kiln car mechanism 31 positioned at the front, when the stud 41 on the connector A40 meets the ring sleeve B74 in the connector B43, the ejector rod 42 on the connector A40 enters the ring sleeve B74 and has a certain distance with the circular plate 62 at the tail end of the sliding rod 61. As the rear kiln car mechanism 31 continues to advance under the pushing action, the stud 41 on the connecting head A40 drives the ring sleeve B74 to axially slide on the sliding rod 61, and the spring D76 is stretched.

When the top rod 42 of the connector a40 meets the circular plate 62 on the end face of the sliding rod 61, the axial movement of the ring sleeve B74 relative to the sliding rod 61 is stopped, and at this time, the sliding rod 61 together with the ring sleeve B74 is axially contracted relative to the square sleeve B56 under the action of the connector a40, and the spring E77 is further compressed. With the continuous movement of the sliding rod 61 into the square sleeve B56, the rack 60 and the gear H64 start to be meshed, the rack 60 drives the gear ring B72 to rotate relative to the sliding rod 61 through the gear H64, the rotating shaft C63, the one-way clutch 65 for performing one-way driving, the gear I66, the gear J67, the rotating shaft D68, the gear K70 and the gear L71, the gear ring B72 drives the ring sleeve B74 to rotate relative to the sliding rod 61 through the four shift rods B73, and the internal threads at the tail end of the ring sleeve B74 start to be screwed on the stud 41 under the action of the spring D76. During the axial connection of the connector A40 to the connector B43, the two limiting rods 51 on the square sleeve A44 in the connector B43 are pulled outwards manually, and the contraction limitation of the square sleeve B56 to the square sleeve A44 is released, so that the spring A50 is further compressed.

When the spring E77 in the square sleeve B56 is compressed to the limit, the rotation of the ring sleeve B74 on the stud 41 reaches the limit and stops. As the rear kiln car mechanism 31 continues to advance, the square sleeve B56 starts to contract into the square sleeve a44, and the spring C59 is further compressed. The sequential compression of the spring E77 and the spring C59 effectively buffers the connection of the rear kiln car mechanism 31 to the front kiln car mechanism 31, and avoids the damage of the fire-resistant layer A35 and the fire-resistant layer B37 on the two kiln car mechanisms 31 due to collision in the mutual connection process of the two mechanisms.

When the spring C59 is compressed to the limit, the movement of the rear kiln car mechanism 31 is stopped, and the connection of the two kiln car mechanisms 31 is completed.

Then, the motor B30 is started, the motor B30 drives the rotating sleeve B27 to rotate through the gear G29 and the gear F28, the rotating sleeve B27 drives the rotating shaft B24 to synchronously rotate, the rotating shaft B24 drives all the gears E25 thereon to synchronously rotate, and the gears E25 drive the driving block 21 and the stopping block 78 on the rotating sleeve a20 to synchronously rotate 180 degrees relative to the screw 11 through the corresponding gear D22 and the rotating sleeve a20, so that the driving block 21 on the rotating sleeve a20 is positioned behind the corresponding side fixing block 34 on the kiln car mechanism 31 which enters the preheating kiln 1 first.

The motors A19 in the two driving mechanisms 7 are started, each motor A19 drives all the screw rods 11 in the corresponding driving mechanism 7 to axially contract towards the corresponding pipe sleeve 9 synchronously through a series of transmissions, and the screw rods 11 drive the kiln car mechanism 31 entering the preheating kiln 1 firstly to start and advance through the interaction of the driving block 21 on the rotating sleeve A20 and the fixed block 34 at the corresponding side of the kiln car mechanism 31, so that the power requirement for mechanically pulling the kiln car mechanism 31 to advance is reduced. When the front kiln car mechanism 31 is started, the rear kiln car mechanism 31 drives the sliding rod 61 to reset relative to the square sleeve B56 through the connector A40 and the ring sleeve B74, the rack 60 cannot drive the gear I66 to rotate through the gear H64, the rotating shaft C63 and the one-way clutch 65 which plays an overrunning role, and further the ring sleeve B74 cannot rotate relative to the sliding rod 61 and the stud 41, so that the effective connection between the ring sleeve B74 and the stud 41 is not released.

When the slide rod 61 is reset relative to the square sleeve B56, the slide rod 61 drives the square sleeve B56 to have a tendency of moving towards the outside of the square sleeve A44, and the square sleeve B56 can not slide towards the outside of the square sleeve A44 because the two locking blocks 52 generate large friction locking towards the square sleeve B56 moving towards the outside of the square sleeve A44 under the action of the spring B55. Thereby ensuring that the effective connection of the connector a40 and the connector B43 is not released when the front kiln car mechanism 31 is started. At this time, the front kiln car mechanism 31 started for a short time starts to drive the rear kiln car mechanism 31 to synchronously advance through the connecting head a40 and the connecting head B43.

When the two kiln car mechanisms 31 are synchronously and slowly started for a short time, the pulling force for mechanically pulling the two kiln car mechanisms 31 is small, and the power requirement for mechanical pulling is effectively reduced. At this time, the motor a19 in the two driving mechanisms 7 is started, and the motor a19 drives the rotating sleeve a20 on the screw rod 11 to axially reset through a series of transmissions. After the rotating sleeve A20 is reset axially relative to the pipe sleeve 9, the motor B30 in the two driving mechanisms 7 is started, and the motor B30 drives the driving block 21 and the stopping block 78 on the rotating sleeve A20 to rotate 180 degrees relative to the screw rod 11 through a series of transmission, so that the stopping block 78 and the driving block 21 on the rotating sleeve A20 are restored to the initial state.

After most of the bodies of the second kiln car mechanism 31 enter the preheating kiln 1, the fixed blocks 34 on the two kiln car mechanisms 31 simultaneously and respectively meet the two blocking blocks 78 on the corresponding side driving mechanisms 7, at this time, the motors a19 in the two driving mechanisms 7 are started again, the motors a19 drive the blocking blocks 78 to axially move from fast to slow through a series of transmission, and finally synchronous buffering and stopping of the two kiln car mechanisms 31 are realized, so that mutual collision of the two kiln car mechanisms 31 due to inertia in the stopping process of the two kiln car mechanisms 31 in the kiln body is avoided.

And then, connecting the third kiln car mechanism 31 filled with the materials to the second kiln car mechanism 31 entering the preheating kiln 1, wherein the connection process is the process of connecting the second kiln car mechanism 31 to the first kiln car mechanism 31, which is not described herein again.

When one kiln car mechanism 31 is connected, all the kiln car mechanisms 31 in the kiln body are required to realize the stop and go of one parking space, and the additional connection of any one kiln car mechanism 31 can realize the buffer connection among the kiln car mechanisms 31 only by manually pushing a new kiln car mechanism 31 to the kiln car mechanisms 31 in the kiln body outside the kiln body. Meanwhile, under the condition that all the kiln car mechanisms 31 in the kiln body stop due to the connection of the newly added kiln car mechanisms 31, all the connected kiln car mechanisms 31 cannot collide with each other due to inertia between stop and stop due to the synchronous start and the synchronous slow stop of the two driving mechanisms 7 on all the kiln car mechanisms 31 in the kiln body, so that a refractory layer A35 and a refractory layer B37 on the kiln car mechanisms 31 are protected from being damaged.

After the kiln car mechanism 31 enters the cooling kiln 3 from the roasting kiln 2, the heat contained in the kiln car mechanism 31 and the carried lithium cloud master batch enters the preheating kiln 1 through the air circulating device 5 to effectively preheat the lepidolite material newly entering the kiln car mechanism 31 of the preheating kiln 1.

After the kiln car mechanism 31 enters the preheating kiln 1, the guide posts 39 on the two sides of the uppermost refractory layer B37 of the kiln car mechanism 31 and the two lifting rails 6 on the inner side wall of the preheating kiln 1 are mutually matched, so that all the refractory layers B37 on the kiln car mechanism 31 vertically move upwards and generate a certain distance from each other, the thickness of the peripheral refractory materials of the lepidolite materials is temporarily and effectively reduced, and the lepidolite materials in the refractory layer A35 are quickly and effectively preheated. When the kiln car mechanism 31 leaves the preheating kiln 1 and enters the roasting kiln 2, the refractory layer B37 on the kiln car mechanism 31 automatically falls back to increase the thickness of the refractory material around the lepidolite material, so that the lepidolite material can be effectively heated and roasted conveniently.

After the kiln car mechanism 31 comes out of the cooling kiln 3, the connector a40 and the connector B43 can be separated by screwing the ring sleeve B74 away from the stud 41 by a tool. After the connecting head A40 is separated from the connecting head B43, the kiln car coming out of the cooling kiln 3 is mechanically pulled away for discharging, after the discharging is finished, the two driving levers A54 on the connecting head B43 are manually driven to release the locking of the two locking blocks 52 on the square sleeve B56, and the square sleeve B56 is instantly reset under the reset action of the spring C59.

In summary, the beneficial effects of the invention are as follows: the invention can avoid the condition that a plurality of kiln car mechanisms 31 connected end to end are in one-flash or mutually impacted because the kiln car mechanisms 31 stop and go in the kiln body by the matching of the two driving mechanisms 7 symmetrically arranged in the three kiln bodies and the kiln car mechanisms 31, thereby effectively protecting the refractory layer A35 and the refractory layer B37 on the kiln car mechanisms 31.

According to the invention, a plurality of fire-resistant layers A35 on the kiln car mechanism 31 can be separated at intervals along the vertical direction when moving in the preheating kiln 1, so that materials in the kiln car mechanism 31 can be quickly preheated. After the kiln car mechanism 31 enters the roasting kiln 2 and the cooling kiln 3, the refractory layer a35 on the kiln car mechanism 31 is reset to ensure that the material in the kiln car mechanism 31 does not lose heat, thereby ensuring that the material in the kiln car mechanism 31 can circulate the heat carried by the material into the preheating kiln 1 through the air circulation device 5 after roasting is finished and effectively preheat the kiln car mechanism 31 entering the preheating kiln 1.

In addition, the connection between the kiln car mechanisms 31 can be realized without manual operation, and the connection between the kiln car mechanisms can be realized only by pushing the kiln car mechanism 31 behind to move towards the kiln car mechanism 31, so that the high temperature of a kiln body is prevented from hurting workers.

Claims (9)

1. The utility model provides a tunnel cave calcination conveying equipment which characterized in that: the device comprises a preheating kiln, a roasting kiln, a cooling kiln, a driving mechanism and kiln car mechanisms, wherein a plurality of kiln car mechanisms which are sequentially connected and carry lepidolite sequentially pass through the preheating kiln, the roasting kiln and the cooling kiln to roast the lepidolite; two driving mechanisms which are synchronously started and synchronously slowly stop all kiln car mechanisms are symmetrically arranged on two sides in the kiln body; the rear kiln car mechanism can be manually pushed to complete the connection of the rear kiln car mechanism with the front kiln car mechanism, and the front kiln car mechanism can be manually pulled to complete the disconnection of the front kiln car mechanism with the rear kiln car mechanism;

the kiln car mechanism and the preheating kiln are provided with structures for quickly preheating the lepidolite in the kiln car mechanism.

2. The tunnel kiln roasting conveying apparatus of claim 1, wherein: the kiln car mechanism comprises a base, wheels, a refractory layer A, a refractory layer B, an iron chain, a connector A and a connector B, wherein the base is provided with the refractory layer A filled with lepidolite, and the base is provided with the wheels matched with the rails; a plurality of vertically distributed refractory layers B are embedded outside the refractory layer A, the base is connected with the bottom refractory layer B through two iron chains allowing the two refractory layers B to have vertical movement intervals, and any two adjacent refractory layers B are connected through two iron chains allowing the two refractory layers B to have vertical movement intervals; two guide posts on two sides of the top refractory layer B are respectively matched with two lifting rails on two sides in the preheating kiln; the front end of the base is provided with a connector A, and the rear end of the base is provided with a connector B matched with the connector A on the adjacent base.

3. The tunnel kiln roasting conveying apparatus of claim 2, characterized in that: the connector A comprises a stud and a mandril, wherein the stud matched with the connector B is fixed on the base, and the mandril matched with the connector B is arranged at the tail end of the stud.

4. The tunnel kiln roasting conveying apparatus of claim 3, wherein: the connector B comprises a square sleeve A, a locking block, a shifting rod A, a spring B, a square sleeve B, a spring C, a rack, a sliding rod, a gear ring B, a shifting rod B, a ring sleeve B, a spring D and a spring E, wherein the square sleeve B horizontally slides in the square sleeve A fixed on the base and is provided with the spring C for resetting the square sleeve B; a locking block which is used for friction locking of the square sleeve B moving outwards relative to the square sleeve A slides in the two sliding grooves B on the inner wall of the square sleeve A, a spring B for resetting the locking block is arranged in the two sliding grooves B, and a deflector rod A for manually unlocking the locking block relative to the square sleeve B is arranged on the locking block; the square sleeve A is provided with a structure for locking the initial position of the square sleeve B; a sliding rod and a spring E for resetting the sliding rod are horizontally slid in the square sleeve B, a gear ring B which is driven by a rack in the square sleeve B in a one-way mode is nested and rotated on the sliding rod, a ring sleeve B which is in threaded fit with a stud on the connector A and a spring D for axially resetting the ring sleeve B are nested and rotated on the sliding rod, four shift levers B which are uniformly distributed in the circumferential direction on the end face of the gear ring B axially slide in four sliding grooves C on the end face of the ring sleeve B respectively, and a circular plate on the end face of the sliding rod is matched with an ejector rod of the connector A.

5. The tunnel kiln roasting conveying apparatus of claim 4, wherein: a limiting rod matched with the end face of the square sleeve B slides in the ring sleeve A at the two sliding grooves A on the side wall of the square sleeve A, and a spring A for resetting the limiting rod is arranged in the ring sleeve A; a rotating shaft D is rotationally matched in the rotating seat C in the sliding rod, a gear K on the rotating shaft D is meshed with a gear L installed on the sliding rod, and the gear L is meshed with the gear ring B; and a gear H matched with the rack is arranged on a rotating shaft C in rotary fit with the slide bar, and a gear J arranged on the rotating shaft D is meshed with a gear I arranged on the rotating shaft C through a one-way clutch.

6. The tunnel kiln roasting conveying equipment of claim 1, characterized in that: and an air circulating device for circularly circulating the heat carried by the kiln car mechanism and the lepidolite on the kiln car mechanism into the preheating kiln is arranged between the preheating kiln and the cooling kiln.

7. The tunnel kiln roasting conveying apparatus of claim 2, characterized in that: the driving mechanism comprises a swivel mount A, a pipe sleeve, a screw, an internal thread sleeve, a gear ring A, a gear A, a rotating shaft A, a motor A, a rotating sleeve A, a driving block, a stopping block, a gear D, a swivel mount B, a rotating shaft B, a gear E, a rotating sleeve B and a motor B, wherein the rotating shaft A driven by the motor A is rotationally matched with a plurality of swivel mounts A distributed on one side of the kiln body at the center distance of any two adjacent kiln car mechanisms, the screw axially slides in the pipe sleeve arranged on the swivel mount A, and the internal thread sleeve matched with the screw is nested and rotationally arranged on the pipe sleeve; a gear ring A arranged on the internal thread sleeve is meshed with a gear A arranged on a rotating shaft A, a driving block and a stopping block which are circumferentially spaced by 180 degrees and axially spaced are arranged on a rotating sleeve A which is nested and rotates on the screw rod, and the driving block and the stopping block are matched with a fixed block on the corresponding side of a kiln car mechanism base; a rotating sleeve B driven by a motor B rotates in the rotating seat A at the inlet of the preheating kiln, and a rotating shaft B which rotates circumferentially and is in axial sliding fit with other rotating seats A slides axially in the rotating sleeve B; a rotating seat B on the screw is in rotating fit with the rotating shaft B; the gear D arranged on the rotating sleeve A is meshed with the gear E on the rotating shaft B.

8. The tunnel kiln roasting conveying apparatus of claim 7, wherein: and a gear B arranged at one end of the rotating shaft A is meshed with a gear C arranged on an output shaft of the motor A.

9. The tunnel kiln roasting conveying equipment of claim 7, characterized in that: and a gear F arranged on the rotating sleeve B is meshed with a gear G arranged on an output shaft of the motor B.

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