CN222659191U - Kiln tail powder coarse and fine screening device of rotary kiln - Google Patents
Kiln tail powder coarse and fine screening device of rotary kiln Download PDFInfo
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- CN222659191U CN222659191U CN202420529228.9U CN202420529228U CN222659191U CN 222659191 U CN222659191 U CN 222659191U CN 202420529228 U CN202420529228 U CN 202420529228U CN 222659191 U CN222659191 U CN 222659191U
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Abstract
一种回转窑的窑尾粉末粗细筛分装置，包括固定板，固定板上转动安装内筒，内筒的外周套装有外筒，外筒固定安装在固定板上，外筒的底侧固定安装数个支撑座，支撑座的高度从左到右依次变低，固定板上连通设有进料管。本实用新型结构简单，构思巧妙，不用借助负压泵输送物料，第一螺旋叶片和第二螺旋叶片转动能够向第一出料口和第二出料口输送物料，第一螺旋叶片转动的时候利用摩擦力能够对混合在一起的大小颗粒进行翻动，使小颗粒穿过筛孔，大颗粒继续向前输送，使其中的大小颗粒筛分更加充分，在筛分粉末的同时，第一螺旋叶片和第二螺旋叶片转动还能够刮除掉内筒的内外壁和外筒的内壁上粘附的粉末，满足市场需求，适合推广。
A coarse and fine screening device for powder at the tail of a rotary kiln comprises a fixed plate, an inner cylinder is rotatably mounted on the fixed plate, an outer cylinder is sleeved on the outer periphery of the inner cylinder, the outer cylinder is fixedly mounted on the fixed plate, a plurality of support seats are fixedly mounted on the bottom side of the outer cylinder, the height of the support seats decreases from left to right, and a feed pipe is connected to the fixed plate. The utility model has a simple structure and an ingenious design. It does not require the use of a negative pressure pump to transport materials. The rotation of the first spiral blade and the second spiral blade can transport materials to the first discharge port and the second discharge port. When the first spiral blade rotates, the friction force can be used to turn over the large and small particles mixed together, so that small particles pass through the sieve holes, and large particles continue to be transported forward, so that the large and small particles are screened more fully. While screening the powder, the rotation of the first spiral blade and the second spiral blade can also scrape off the powder adhering to the inner and outer walls of the inner cylinder and the inner wall of the outer cylinder, which meets market demand and is suitable for promotion.
Description
Technical Field
The utility model belongs to the field of smelting, and particularly relates to a kiln tail powder coarse-fine screening device of a rotary kiln.
Background
The rotary kiln is also called a rotary kiln, which belongs to the class of building material equipment, and can be divided into a cement kiln, a metallurgical chemical kiln and a lime kiln according to different treatment materials, wherein when the rotary kiln runs, a kiln tail mainly preheats and pre-decomposes raw material powder to decompose the raw material powder into required raw materials, but the decomposition rate of the raw material powder is generally about 92 percent, so that after the kiln tail runs, a mixture of large particles and small particles is left, the separation is needed, the conventional screening device is easy to adhere powder to reduce the final yield, the national intellectual property agency 2023.03.28 grants notice, and patent publication No. CN218743047U discloses a device for coarse and fine screening of kiln tail powder of the rotary kiln, the device is required to convey the powder by means of a negative pressure pump, and when the powder is screened, the small particles are mixed in the large particles and conveyed by the negative pressure pump, the small particles are more easily removed by the negative pressure pump, so that the large and small particles are not separated by the screen, and flow out from an outlet, and the coarse and fine powder of the kiln tail is not screened by the pump, so that a device for fully screening powder is designed.
Disclosure of utility model
The utility model provides a kiln tail powder coarse-fine screening device of a rotary kiln, which is used for solving the defects in the prior art.
The utility model is realized by the following technical scheme:
The kiln tail powder coarse-fine screening device of the rotary kiln comprises a fixed plate, an inner cylinder is rotatably mounted on the fixed plate, an outer cylinder is sleeved on the periphery of the inner cylinder, the outer cylinder is fixedly mounted on the fixed plate, a plurality of supporting seats are fixedly mounted on the bottom side of the outer cylinder, the heights of the supporting seats sequentially decrease from left to right, a feeding pipe is communicated with the fixed plate, the feeding pipe is communicated with a cavity of the inner cylinder, a plurality of sieve holes are formed in the inner cylinder, a first discharging hole and a second discharging hole are formed in the outer cylinder.
The kiln tail powder coarse-fine screening device of the rotary kiln comprises a motor, the motor is fixedly arranged on a fixed plate, a first gear is fixedly arranged on the periphery of a rotating shaft, a second gear is arranged on one side of the first gear in a meshing fit manner, the second gear is fixedly connected with an output shaft of the motor, a first toothed ring is fixedly arranged on the inner wall of an inner cylinder, the first toothed ring is in meshing fit with the second gear, a second toothed ring is fixedly arranged on the outer wall of the inner cylinder, a third gear is arranged on one side of the second toothed ring in a meshing fit manner, the third gear is rotatably arranged on the fixed plate, a third toothed ring is arranged on the third gear in a meshing fit manner, the inner periphery and the outer periphery of the annular plate are sequentially rotatably arranged on the inner cylinder and the outer cylinder, and a second helical blade is fixedly arranged on the annular plate through a plurality of connecting rods.
According to the kiln tail powder coarse-fine screening device of the rotary kiln, one end of the feeding pipe, which extends into the inner cylinder, penetrates through the first toothed ring.
According to the kiln tail powder coarse-fine screening device of the rotary kiln, the baffle is arranged in the inner cylinder, the feeding pipe is fixedly arranged in the through hole formed in the baffle, and the baffle is respectively connected with the periphery of the rotating shaft and the inner wall of the inner cylinder in a rotating mode.
According to the kiln tail powder coarse-fine screening device of the rotary kiln, the first discharge hole and the second discharge hole are both discharge holes with narrow inner side and wide outer side.
The utility model has the advantages that the structure is simple, the conception is ingenious, the materials are not conveyed by means of a negative pressure pump, the first helical blade and the second helical blade can rotate to convey the materials to the first discharge port and the second discharge port, the small particles can be turned over by utilizing friction force when the first helical blade rotates, the small particles pass through the sieve holes, the large particles are continuously conveyed forwards, the large particles are more fully sieved, the rotation of the first helical blade and the second helical blade can scrape the powder adhered on the inner wall and the outer wall of the inner barrel and the inner wall of the outer barrel when sieving the powder, the market demand is met, and the utility model is suitable for popularization. When the rotary kiln is used, the rotary kiln is obliquely arranged for better communication, so that the device is obliquely arranged, kiln tail powder is conveyed into the inner cylinder through the feeding pipe, the first helical blade and the second helical blade are controlled to synchronously rotate forwards through the driving mechanism, the inner cylinder reversely rotates, small particles can enter the outer cylinder from the sieve holes in the process of conveying the powder rightwards, finally, the small particles are discharged through the first discharge hole, large particles continue to move rightwards in the inner cylinder and finally are discharged through the second discharge hole, the stroke of kiln tail powder in the inner cylinder can be increased by the first helical blade, the screening of the large particles and the small particles in the kiln tail powder is more complete, the powder adhered on the inner wall and the outer wall of the inner cylinder and the powder adhered on the inner wall of the outer cylinder can be scraped by the rotation of the first helical blade and the second helical blade, and the occurrence of the condition that the final yield is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
The device comprises a fixed plate, 2, an inner cylinder, 3, an outer cylinder, 4, a supporting seat, 5, a feeding pipe, 6, a sieve mesh, 7, a first discharge hole, 8, a second discharge hole, 9, a rotating shaft, 10, a first helical blade, 11, a second helical blade, 20, a motor, 21, a first gear, 22, a second gear, 23, a first toothed ring, 24, a second toothed ring, 25, a third gear, 26, a third toothed ring, 27, an annular plate, 40 and a baffle.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a kiln tail powder thickness screening plant of rotary kiln, as shown in figure 1, including fixed plate 1, rotate on the fixed plate 1 and install inner tube 2, the both ends opening of inner tube 2, the periphery cover of inner tube 2 is equipped with urceolus 3, the one end of inner tube 2 passes through the bearing rotation and installs on fixed plate 1, the other end of inner tube 2 passes through the bearing rotation and installs on urceolus 3, urceolus 3 fixed mounting is on fixed plate 1, the one end opening of urceolus 3 open-ended one end fixed mounting is on fixed plate 1, the bottom side fixed mounting of urceolus 3 several supporting seat 4, the height of supporting seat 4 becomes from left to right in proper order, the intercommunication is equipped with inlet pipe 5 on the fixed plate 1, the cavity intercommunication setting of inlet pipe 5 and inner tube 2, a plurality of sieve mesh 6 have been seted up on the inner tube 2, set up first discharge gate 7 and second discharge gate 8 on the urceolus 3, rotate on the fixed plate 1 install axis of rotation 9, the periphery of rotation axis 9 is fixed to be equipped with first helical blade 10, the periphery of first helical blade 10 and the inner wall sliding contact cooperation of inner tube 2, the periphery of inner tube 2 is equipped with second helical blade 11, the second helical blade 11 and the coaxial drive mechanism of rotation 11 and the second helical blade 11 is equipped with on the second helical blade 2, the first helical blade 11 and the second helical blade 11 is coaxial rotation 1 and the second helical blade 11 is connected with the second helical blade 2. The utility model has simple structure and ingenious conception, the materials are not conveyed by a negative pressure pump, the first helical blade 10 and the second helical blade 11 can be rotated to convey the materials to the first discharge port 7 and the second discharge port 8, the small particles can be turned over by friction force when the first helical blade 10 rotates, the small particles pass through the sieve holes 6, the large particles are continuously conveyed forwards, the large particles are more fully sieved, and the powder is sieved, the powder adhered on the inner wall and the outer wall of the inner cylinder 2 and the inner wall of the outer cylinder 3 can be scraped by the rotation of the first helical blade 10 and the second helical blade 11, so that the market demand is met, and the utility model is suitable for popularization. When the rotary kiln is used, because the rotary kiln is obliquely arranged for better communication, the device is obliquely arranged, kiln tail powder is conveyed into the inner cylinder 2 through the feeding pipe 5, the first helical blade 10 and the second helical blade 11 are controlled to synchronously rotate forwards through the driving mechanism, the inner cylinder 2 rotates reversely, small particles can enter the outer cylinder 3 from the sieve holes 6 in the process of conveying the powder rightwards and finally are discharged through the first discharge hole 7, large particles continue to move rightwards in the inner cylinder 2 and finally are discharged through the second discharge hole 8, the stroke of kiln tail powder in the inner cylinder 2 can be increased by the first helical blade 10, the screening of the large particles and the small particles in the kiln tail powder is more complete, the first helical blade 10 and the second helical blade 11 can rotate and can scrape off the powder adhered on the inner wall and the outer wall of the inner cylinder 2 and the inner wall of the outer cylinder 3, and the condition that the final yield is reduced.
Specifically, as shown in the drawing, the driving mechanism of this embodiment includes a motor 20, the motor 20 is fixedly mounted on a fixed plate 1, a first gear 21 is fixedly mounted on the outer periphery of a rotating shaft 9, a second gear 22 is provided on one side of the first gear 21 in a meshed fit manner, the second gear 22 is fixedly connected with an output shaft of the motor 20, the second gear 22 is rotatably mounted in a preformed hole formed in the fixed plate 1 through the rotating shaft and is fixedly connected with the output shaft of the motor 20, a first toothed ring 23 is fixedly mounted on the inner wall of an inner cylinder 2, the first toothed ring 23 is meshed with the second gear 22 in a meshed fit manner, a second toothed ring 24 is fixedly mounted on the outer wall of the inner cylinder 2, a third gear 25 is provided on one side of the second toothed ring 24 in a meshed fit manner, the third gear 25 is rotatably mounted on the fixed plate 1, a third toothed ring 26 is fixedly mounted on an annular plate 27, an inner periphery and an outer periphery of the annular plate 27 are sequentially rotatably mounted on the inner cylinder 2 and the outer cylinder 3, and a second helical blade 11 is fixedly mounted on the annular plate 27 through a plurality of connecting rods. The output shaft of the motor 20 drives the second gear 22 to rotate reversely, the second gear 22 drives the rotating shaft 9, the first helical blade 10 and the first gear 21 to rotate forwardly, the second gear 22 drives the first toothed ring 23, the inner cylinder 2 and the second toothed ring 24 to rotate reversely, the second toothed ring 24 drives the third gear 25 to rotate forwardly, and the third gear 25 drives the third toothed ring 26, the annular plate 27 and the second helical blade 11 to rotate forwardly, so that the first helical blade 10 and the second helical blade 11 rotate forwardly synchronously, and the inner cylinder 2 rotates reversely.
Specifically, as shown in the figure, the end of the feeding pipe 5 extending into the inner cylinder 2 passes through the first toothed ring 23. One end of the feed pipe 5 is positioned on the right side of the first toothed ring 23 to prevent the discharged material from entering the tooth slot of the first toothed ring 23, thereby affecting the rotation of the first toothed ring 23.
Further, as shown in the figure, a baffle 40 is disposed in the inner cylinder 2 in this embodiment, the feeding pipe 5 is fixedly mounted in a through hole formed in the baffle 40, and the baffle 40 is respectively connected with the outer periphery of the rotating shaft 9 and the inner wall of the inner cylinder 2 in a rotating manner. The baffle 40 prevents dust generated during sieving from affecting the operation of the drive mechanism.
Further, as shown in the figure, the first discharge port 7 and the second discharge port 8 in this embodiment are both discharge ports with narrow inner side and wide outer side. The inner side is narrow and the outer side is wide so as to be convenient for discharging, preventing blockage.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present utility model.
Claims (5)
1. A kiln tail powder coarse and fine screening device of a rotary kiln comprises a fixed plate (1), an inner cylinder (2) is rotatably arranged on the fixed plate (1), an outer cylinder (3) is sleeved on the periphery of the inner cylinder (2), the outer cylinder (3) is fixedly arranged on the fixed plate (1), a plurality of supporting seats (4) are fixedly arranged on the bottom side of the outer cylinder (3), the heights of the supporting seats (4) sequentially decrease from left to right, a feeding pipe (5) is arranged on the fixed plate (1) in a communicating manner, the feeding pipe (5) is communicated with a cavity of the inner cylinder (2), a plurality of sieve holes (6) are formed in the inner cylinder (2), a first discharge hole (7) and a second discharge hole (8) are formed in the outer cylinder (3), the rotary kiln is characterized in that a rotary shaft (9) is rotatably arranged on the fixed plate (1), a first spiral blade (10) is fixedly arranged on the periphery of the rotary shaft (9), the periphery of the first spiral blade (10) is in sliding contact with the inner wall of the inner cylinder (2), a second spiral blade (11) is arranged on the periphery of the second spiral blade (11), the periphery of the second spiral blade (11) is in sliding contact with the periphery of the inner cylinder (3) and is in contact with the inner cylinder (3) and is in a synchronous driving mechanism with the second spiral blade (11), the second helical blade (11) is connected to the first helical blade (10) by a drive mechanism.
2. The rotary kiln tail powder coarse-fine screening device of claim 1, wherein the driving mechanism comprises a motor (20), the motor (20) is fixedly arranged on a fixed plate (1), a first gear (21) is fixedly arranged on the periphery of a rotating shaft (9), a second gear (22) is arranged on one side of the first gear (21) in a meshed fit manner, the second gear (22) is fixedly connected with an output shaft of the motor (20), a first toothed ring (23) is fixedly arranged on the inner wall of an inner cylinder (2), the first toothed ring (23) is meshed with the second gear (22), a second toothed ring (24) is fixedly arranged on the outer wall of the inner cylinder (2), a third gear (25) is rotatably arranged on the fixed plate (1) in a meshed fit manner, a third toothed ring (26) is fixedly arranged on an annular plate (27), the inner periphery and the outer periphery of the inner cylinder of the annular plate (27) are sequentially rotatably arranged on the outer cylinder (2) and the second annular plate (11) through a plurality of connecting rods.
3. A rotary kiln tail powder coarse-fine screening device according to claim 2, characterized in that one end of the feeding pipe (5) extending into the inner cylinder (2) penetrates through the first toothed ring (23).
4. The kiln tail powder coarse-fine screening device of the rotary kiln according to claim 3, wherein the baffle (40) is arranged in the inner cylinder (2), the feeding pipe (5) is fixedly arranged in a through hole formed in the baffle (40), and the baffle (40) is respectively connected with the periphery of the rotating shaft (9) and the inner wall of the inner cylinder (2) in a rotating mode.
5. The kiln tail powder coarse-fine screening device of the rotary kiln of claim 1, wherein the first discharge port (7) and the second discharge port (8) are both discharge ports with narrow inner side and wide outer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420529228.9U CN222659191U (en) | 2024-03-19 | 2024-03-19 | Kiln tail powder coarse and fine screening device of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420529228.9U CN222659191U (en) | 2024-03-19 | 2024-03-19 | Kiln tail powder coarse and fine screening device of rotary kiln |
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| Publication Number | Publication Date |
|---|---|
| CN222659191U true CN222659191U (en) | 2025-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420529228.9U Active CN222659191U (en) | 2024-03-19 | 2024-03-19 | Kiln tail powder coarse and fine screening device of rotary kiln |
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| CN (1) | CN222659191U (en) |
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