CN217398778U - Rotary volute type material distribution device for mechanical lime vertical kiln - Google Patents
Rotary volute type material distribution device for mechanical lime vertical kiln Download PDFInfo
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- CN217398778U CN217398778U CN202121260905.4U CN202121260905U CN217398778U CN 217398778 U CN217398778 U CN 217398778U CN 202121260905 U CN202121260905 U CN 202121260905U CN 217398778 U CN217398778 U CN 217398778U
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- distributing device
- receiving hopper
- shaft kiln
- distributing
- feed mechanism
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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Abstract
The utility model relates to a shaft kiln distributing device technical field especially relates to a mechanical type lime shaft kiln is with gyration spiral shell formula distributing device, including feed mechanism, locate the actuating mechanism of feed mechanism one side and locate the distributing mechanism of feed mechanism below, feed mechanism is including locating the receiving hopper of shaft kiln central authorities and locating the collecting tube of receiving hopper below, actuating mechanism includes the motor, with motor output end fixed connection's speed reducer and the conical gear who is connected with the speed reducer, and receiving hopper outside ring week is equipped with the tow boat track that meshes with conical gear mutually, distributing mechanism includes and communicates the distributing device and locates with collecting tube below the distributing device lower extreme, the distributing device is spiral shell shape distributing device, and distributing mechanism revolves the cloth along receiving hopper ring week. The utility model discloses can realize conducting and buffering the material of following output of volute-shaped distributing device, receive the secondary when preventing that the material from falling to the bed of material and assault and breakage, avoid influencing the calcination effect of shaft kiln.
Description
Technical Field
The utility model relates to a shaft kiln distributing device technical field especially relates to a mechanical type lime shaft kiln is with gyration spiral case formula distributing device.
Background
Generally, the lime refers to quicklime (CaO), which is an indispensable industrial raw material in industrial production and an important auxiliary raw material widely applied in the metallurgical industry. In the processes of sintering of iron-making raw materials, iron-making reduction, pretreatment of molten iron and external refining, lime is used as an additive, has the functions of adjusting the alkalinity of furnace charge, slagging, desulfurization and the like, and plays an important role in smoothly carrying out the iron-making and steel-making processes. The lime kiln is a core device in the lime production process, raw material limestone is heated to 1100 ℃ in the lime kiln, and the raw material limestone is calcined to generate product lime. At present, the widely used lime kiln mainly comprises a vertical kiln.
In the prior art, the lime vertical kiln mostly adopts a rotary volute type material distributing device, and because a far distance still exists between the lowest end of the material distributor and a material layer, and the material distributor is not provided with a material guiding device, secondary impact is easily caused to the material and the material is crushed, so that the calcining effect of the vertical kiln is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the deficiencies in the prior art and providing a rotary volute type distributing device for a mechanical lime shaft kiln.
The utility model discloses a realize through following technical scheme:
the utility model provides a mechanical type lime shaft kiln is with gyration spiral shell formula distributing device, includes feed mechanism, locates the actuating mechanism of feed mechanism one side and locating the distributing mechanism of feed mechanism below, feed mechanism is including locating the hopper of shaft kiln central authorities and locating the collecting tube of hopper below, actuating mechanism include the motor, with motor output fixed connection's speed reducer and with the conical gear that the speed reducer is connected, the outside ring week of hopper be equipped with conical gear engaged with tow boat track, distributing mechanism include with collecting tube below intercommunication and fixed connection's distributing device and locating the distributing device lower extreme just is used for preventing the guide device that the material was broken down, the distributing device is spiral shell shape distributing device, distributing mechanism follows the hopper is revolved the cloth around.
Preferably, the material guiding device comprises a material guiding pipe connected with the lower end of the material distributor through a flange and a buffering device arranged in the material guiding pipe.
Preferably, the buffering device comprises a supporting rod fixedly connected with the material guiding pipe, a material guiding plate rotatably connected with the tail end of the supporting rod, and a buffering spring arranged below the supporting rod and fixedly connected with the inner wall of the material guiding pipe.
Preferably, a rubber pad fixedly connected with the material guide plate is arranged above the material guide plate.
Preferably, the buffer devices are arranged in the material guide pipe in multiple groups side by side, and two adjacent groups of buffer devices are mutually symmetrical and arranged in a vertically staggered manner.
Preferably, the volute type material distribution device distributes materials along twelve points of the circumference of the receiving hopper.
The utility model has the advantages that:
because the material guide device is arranged at the lower end of the volute-shaped distributing device, materials enter the volute-shaped distributing device from the receiving hopper, the material guide pipe moves circularly outside the receiving hopper along the towing wheel track along the volute-shaped distributing device and performs circumferential distribution, and the influence of material surface inclination and lumpiness segregation in the receiving hopper caused by material pouring is eliminated, so that uniform material feeding and distribution can be obtained; simultaneously when the material gets into the collecting pipe by the receiving hopper, when reentrant stock guide, can drop to the stock guide on, reduce the impact force that the material that falls on the stock guide received under buffer spring's effect, the material passes through between adjacent buffer board to on dropping to the bed of material, thereby prevent that the material from being broken into pieces when falling to the bed of material, avoid influencing the effect of calcining of shaft kiln. The utility model discloses can realize conducting and buffering the material of following output of volute-shaped distributing device, receive the secondary when preventing that the material from falling to the bed of material and assault and breakage, avoid influencing the calcination effect of shaft kiln.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the material guiding device of the present invention.
Fig. 3 is a partially enlarged view of fig. 2 of the present invention.
In the figure: 1. the material layer, 2, a volute distributor, 3, a flange, 4, a material guide pipe, 5, a support rod, 6, a material guide plate, 7, a buffer spring, 8, a rubber pad, 9, a material receiving hopper, 10, a speed reducer, 11, a motor, 12, a bevel gear, 13, a tugboat track and 14, a material collecting pipe.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the rotary volute type material distributing device for the mechanical lime vertical kiln comprises a feeding mechanism, a driving mechanism arranged on one side of the feeding mechanism and a material distributing mechanism arranged below the feeding mechanism, the feeding mechanism comprises a receiving hopper 9 arranged at the center of the vertical kiln and a material collecting pipe 14 arranged below the receiving hopper 9, the driving mechanism comprises a motor 11, a speed reducer 10 fixedly connected with the output end of the motor 11 and a bevel gear 12 connected with the speed reducer 10, the outer circumference of the receiving hopper 9 is provided with a tug track 13 engaged with the bevel gear 12, the distributing mechanism comprises a distributing device which is communicated and fixedly connected with the lower part of the collecting pipe 14 and a material guiding device which is arranged at the lower end of the distributing device and is used for preventing the material from being broken, the distributing device is a volute distributing device 2, and the distributing mechanism circularly rotates around the receiving hopper 9 for distributing. The material guide pipe 4 is convenient to rotate along the dragging wheel track 13 along the volute-shaped material distributor 2 when distributing materials, so that the rotary circumferential material distribution is realized, the material distribution is more uniform, the material guide device is used for preventing the material from being broken due to secondary impact when falling onto the material layer 1, and the calcining effect of the vertical kiln is prevented from being influenced.
Preferably, the material guiding device comprises a material guiding pipe 4 connected with the lower end of the material distributor through a flange 3 and a buffering device arranged inside the material guiding pipe 4. The material is buffered under the action of the buffer device, the material is prevented from being crushed due to secondary impact, and the calcining effect of the vertical kiln is prevented from being influenced.
Preferably, the buffering device comprises a support rod 5 fixedly connected with the material guiding pipe 4, a material guiding plate 6 rotatably connected with the tail end of the support rod 5, and a buffering spring 7 arranged below the support rod 5 and fixedly connected with the inner wall of the material guiding pipe 4. Impact force which is received when the material falls onto the material guide plate 6 is resisted through deformation of the buffer spring 7, and therefore the material is buffered when being distributed.
Preferably, a rubber pad 8 fixedly connected with the material guiding plate 6 is arranged above the material guiding plate 6. Be convenient for under the effect of rubber pad 8, play the secondary cushioning effect to the material that falls on stock guide 6, receive the secondary when preventing that the material from falling on bed of material 1 and assault and breakage, avoid influencing the effect of calcining of shaft kiln.
Preferably, the buffer devices are arranged in the material guide pipe 4 in parallel, and two adjacent buffer devices are symmetrical and staggered up and down. Under the buffer's of being convenient for dislocation set from top to bottom effect for when the cloth, the material passes through between adjacent buffer board, and falls to on the bed of material 1, thereby prevent that the material from being broken into pieces when falling to bed of material 1, avoid influencing the effect of calcining of shaft kiln.
Preferably, the volute type material distribution device distributes materials along twelve points of the circumference of the receiving hopper 9. The material distributing mode of twelve-point material distribution is convenient, the influence of material surface inclination and lumpiness segregation in the receiving hopper 9 caused by material pouring is eliminated, and therefore uniform material feeding and distributing can be achieved.
When the material distributing device works, a material enters the material collecting pipe 14 through the hopper 9 and then enters the volute-shaped material distributor 2, the material slides down along the surface of the material distributor when being distributed, when the material slides into the material guide pipe 4, one side of the material guide plate 6 close to the buffer spring 7 overcomes the elasticity of the buffer spring 7 and moves towards the direction of the buffer spring 7 under the action of the gravity of the material, namely, the material falling onto the material guide plate 6 is buffered, when the material leaves the material guide plate 6, one side of the material guide plate 6 close to the buffer spring 7 moves towards the direction departing from the buffer spring 7 under the action of the restoring force of the buffer spring 7, namely, the material guide plate 6 returns to the original position, the material leaving the previous material guide plate 6 sequentially falls onto the material guide plates 6 of the two adjacent buffer mechanisms, is led out from the last material guide plate 6 and falls onto the material layer 1 of the vertical kiln, the distance between the volute distributor and the material layer 1 is reduced, so that the material is prevented from being broken due to secondary impact; meanwhile, the volute distributor 2 and the material guiding mechanism rotate along with the receiving hopper 9, four times of rotation (30, 90, 180, 270 or 15, 60, 120 and 165) with different angles are performed in one working cycle period, the volute distributor 2 can distribute materials along 12 points on the circumference in one working cycle period, and due to the rotation of the receiving hopper 9, the influences of inclination and bulk segregation of a material layer 1 in the receiving hopper 9 during material pouring are eliminated, so that uniform material feeding and distributing can be obtained.
Because the material guide device is arranged at the lower end of the volute-shaped distributing device, materials enter the volute-shaped distributing device from the receiving hopper, the material guide pipe moves circularly outside the receiving hopper along the towing wheel track along the volute-shaped distributing device and performs circumferential distribution, and the influence of material surface inclination and lumpiness segregation in the receiving hopper caused by the material pouring of the lengthening machine is eliminated, so that more uniform material feeding and distribution can be obtained; simultaneously when the material by the receiving hopper entering collecting tube, when reentrant passage, can drop to the stock guide on, the impact force that the material that reduces to the stock guide on under buffer spring's effect received, the material passes through between adjacent buffer plate to drop to on the bed of material, thereby prevent that the material from being broken into pieces when falling to the bed of material, avoid influencing the effect of calcining of shaft kiln. The utility model discloses can realize conducting and buffering the material of following volute distributing device output, receive the secondary when preventing that the material from falling to the bed of material and assault and breakage, avoid influencing the calcination effect of shaft kiln.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a mechanical type lime vertical kiln is with gyration spiral case formula distributing device which characterized in that: including feed mechanism, locate the actuating mechanism of feed mechanism one side and locating the cloth mechanism of feed mechanism below, feed mechanism is including locating the receiving hopper of shaft kiln central authorities and locating the collecting pipe of receiving hopper below, actuating mechanism include the motor, with motor output fixed connection's speed reducer and with the conical gear that the speed reducer is connected, receiving hopper outside ring week be equipped with conical gear engaged with the tow boat track, cloth mechanism include with collecting pipe below intercommunication and fixed connection's distributing device and locating the distributing device lower extreme just is used for preventing the material guide device that the material was broken into pieces, the distributing device is volute distributing device, cloth mechanism follows the receiving hopper ring week gyration cloth.
2. The rotary volute type material distribution device for the mechanical lime shaft kiln as claimed in claim 1, wherein: the material guiding device comprises a material guiding pipe connected with the lower end of the material distributor through a flange and a buffering device arranged in the material guiding pipe.
3. The rotary volute type material distribution device for the mechanical lime shaft kiln as claimed in claim 2, wherein: the buffer device comprises a support rod fixedly connected with the material guide pipe, a material guide plate rotatably connected with the tail end of the support rod, and a buffer spring which is arranged below the support rod and fixedly connected with the inner wall of the material guide pipe.
4. The rotary volute type material distribution device for the mechanical lime shaft kiln as claimed in claim 3, wherein: and a rubber pad fixedly connected with the material guide plate is arranged above the material guide plate.
5. The rotary volute type material distribution device for the mechanical lime shaft kiln as claimed in claim 4, wherein: the buffer devices are arranged in the material guide pipes in parallel, and two adjacent groups of buffer devices are symmetrical to each other and are arranged in a vertically staggered manner.
6. The rotary volute type material distribution device for the mechanical lime shaft kiln as claimed in any one of claims 1 to 5, wherein: the volute type material distribution device distributes materials along twelve points of the circumference of the receiving hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121260905.4U CN217398778U (en) | 2021-06-07 | 2021-06-07 | Rotary volute type material distribution device for mechanical lime vertical kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121260905.4U CN217398778U (en) | 2021-06-07 | 2021-06-07 | Rotary volute type material distribution device for mechanical lime vertical kiln |
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| CN217398778U true CN217398778U (en) | 2022-09-09 |
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| CN202121260905.4U Active CN217398778U (en) | 2021-06-07 | 2021-06-07 | Rotary volute type material distribution device for mechanical lime vertical kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233795A (en) * | 2021-06-07 | 2021-08-10 | 天津辰创环境工程科技有限责任公司 | Rotary volute type material distribution device for mechanical lime vertical kiln |
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2021
- 2021-06-07 CN CN202121260905.4U patent/CN217398778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233795A (en) * | 2021-06-07 | 2021-08-10 | 天津辰创环境工程科技有限责任公司 | Rotary volute type material distribution device for mechanical lime vertical kiln |
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