CN219511238U - Rotary calcining device and high-temperature baking equipment - Google Patents
Rotary calcining device and high-temperature baking equipment Download PDFInfo
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- CN219511238U CN219511238U CN202320251823.6U CN202320251823U CN219511238U CN 219511238 U CN219511238 U CN 219511238U CN 202320251823 U CN202320251823 U CN 202320251823U CN 219511238 U CN219511238 U CN 219511238U
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Abstract
The utility model provides a rotary calcining device and high-temperature baking equipment. The rotary calcining device comprises a feeding assembly, a rotary assembly, a first partition piece, a second partition piece and a discharging assembly. Wherein, the feeding component is formed with a feeding port and a feeding channel which are communicated. The rotary component is connected with the feeding component and is provided with a processing cavity. The first partition piece is positioned in the processing cavity and connected with the rotary component so as to divide the processing cavity into a first cavity and a second cavity, and the first cavity is communicated with the feeding channel. The second partition piece is positioned in the second cavity and connected with the rotary component so as to divide the second cavity into a first sub-cavity and a second sub-cavity. The discharging assembly is connected with the rotary assembly, a discharging channel and a discharging hole which are communicated are formed in the discharging assembly, and the second sub cavity is communicated with the discharging channel. The rotary calcination device has good calcination stability, and meanwhile, the particles obtained by crushing the materials after calcination have good uniformity.
Description
Technical Field
The utility model relates to the technical field of high-temperature baking equipment, in particular to a rotary calcining device and high-temperature baking equipment.
Background
The high temperature torrefaction apparatus is an industrial apparatus for calcining materials. The high-temperature baking equipment is widely applied to industries such as cement, lime calcination, metallurgical chemical industry and the like. With the continuous development of the real society, high-temperature baking equipment is beginning to be applied to calcination of precursor materials in new energy industries, such as: and calcining the lithium cobalt oxide precursor of the battery positive electrode material by adopting high-temperature baking equipment. The high-temperature baking equipment consists of a rotary calcining device, a material collecting device and the like, and a discharge hole of the rotary calcining device is connected with a material inlet of the material collecting device.
In the prior art, the rotary calcining device is often used for calcining materials in a laboratory, the quantity of the materials required for calcining is small when the experiment is carried out due to the limited field of the laboratory, and the electric power resources in the laboratory are not abundant, so that the length of the rotary calcining device in the laboratory is not more than 6 meters under the restriction of the conditions, wherein the heating treatment section of the rotary calcining device is not more than 4 meters, and the heating treatment section is divided into a plurality of working sections according to the calcining requirement. When the rotary calcining device is used for calcining materials, the heating treatment section is divided into a plurality of working sections, and the required working temperatures among different working sections are different, so that the actual temperatures among the working sections are different, at the moment, the temperature channeling can occur among the adjacent working sections of the heating treatment section, the temperature stability among the working sections of the heating treatment section is poor, and the calcining stability of the rotary calcining device is poor. Moreover, as the channeling temperature can occur between the adjacent working intervals, the temperature of the first working interval during feeding is too high under the influence of the channeling temperature, so that the temperature rising rate of the material in the calcining process of the first working interval is too high, the stress distribution in the material during calcining is uneven, and the particle uniformity of the material which is crushed after calcining is poor.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a rotary calcination device and high-temperature baking equipment which have good calcination stability and good particle uniformity and enable materials to be crushed after calcination.
The aim of the utility model is realized by the following technical scheme:
a rotary calcination apparatus comprising:
the feeding assembly is provided with a feeding port and a feeding channel which are communicated with each other;
the rotary assembly is connected with the feeding assembly and is provided with a processing cavity;
the first partition piece is positioned in the processing cavity and connected with the rotary component so as to divide the processing cavity into a first cavity and a second cavity, and the first cavity is communicated with the feeding channel; the bottom of the first partition member and the inner wall of the processing cavity jointly enclose a first flow channel, and the first flow channel is respectively communicated with the first cavity and the second cavity;
the second partition piece is positioned in the second cavity and connected with the rotary component so as to divide the second cavity into a first sub-cavity and a second sub-cavity, and the first runner is communicated with the first sub-cavity; the bottom of the second partition member and the inner wall of the second cavity jointly enclose a second flow passage, and the second flow passage is respectively communicated with the first sub-cavity and the second sub-cavity; and
the discharging assembly is connected with the rotary assembly, a discharging channel and a discharging hole which are communicated are formed in the discharging assembly, and the second sub cavity is communicated with the discharging channel.
In one embodiment, the rotary calcining device further comprises a plurality of shoveling plates, the shoveling plates are located in the first split cavity, the shoveling plates are arranged at intervals, and each shoveling plate is connected with the first partition piece and the second partition piece respectively.
In one embodiment, the first partition member includes two first ceramic plates, two first ceramic plates are arranged at intervals, two first ceramic plates are connected to the inner wall of the processing cavity so as to enclose a first transition cavity, the first runner is communicated with the first transition cavity, each first ceramic plate is formed with a first via hole and a plurality of first fixing holes, the plurality of first fixing holes are arranged along the first via hole at intervals in a surrounding mode, the first via hole and the plurality of first fixing holes are communicated with the first transition cavity, one end of each first ceramic plate is sequentially penetrated through the first fixing holes in one first ceramic plate, the first transition cavity and the other first fixing holes in the other first ceramic plate, and one end of each shoveling plate is connected with two first ceramic plates.
In one embodiment, the second partition member includes two second ceramic plates, two second ceramic plates are arranged at intervals, two second ceramic plates are connected to the inner wall of the second cavity so as to enclose a second transition cavity, the second flow channel is communicated with the second transition cavity, each second ceramic plate is formed with a second through hole and a plurality of second fixing holes, the second fixing holes are arranged along the second through holes at intervals, the second through holes and the second fixing holes are communicated with the second transition cavity, one end of each shoveling plate deviating from the first ceramic plate sequentially penetrates through the second fixing holes on one second ceramic plate, the second transition cavity and the second fixing holes on the other second ceramic plate, and one end of each shoveling plate deviating from the first ceramic plate is connected with two second ceramic plates.
In one embodiment, the rotary calcining device further comprises a gas path through pipe, the gas path through pipe comprises a pipe body and a plurality of bronchi, the bronchi are connected with the pipe body at intervals, a ventilation channel is formed on the pipe body, each bronchi is formed with an exhaust channel, the ventilation channel is communicated with each exhaust channel, the pipe body sequentially penetrates through the feeding channel, the first cavity, the first through hole on one of the first ceramic plates, the first transition cavity and the other of the first ceramic plates, the second through hole on one of the second ceramic plates, the second transition cavity and the second through hole on the other of the second ceramic plates, the second branch cavity and the discharge channel, and one end of the pipe body located in the discharge channel is used for being connected with an output end of the gas supply device.
In one embodiment, the feeding assembly is further formed with an induced draft port, the feeding channel is communicated with the induced draft port, and the induced draft port is used for being connected with an input end of an induced draft fan.
In one embodiment, a first sealing ring is arranged at the joint of the feeding assembly and the rotary assembly, and a second sealing ring is arranged at the joint of the rotary assembly and the discharging assembly.
In one embodiment, the rotary calcining device is further provided with at least three N-type thermocouples, at least one of the N-type thermocouples is disposed in the first cavity, at least one of the N-type thermocouples is disposed in the second cavity, and each of the N-type thermocouples is electrically connected to the first cavity.
In one embodiment, the rotary calcining apparatus further comprises a heating assembly, wherein the heating assembly is coated on the rotary assembly.
A high temperature torrefaction device comprising the rotary calcination apparatus according to any of the above embodiments.
Compared with the prior art, the utility model has at least the following advantages:
1. because the first partition piece is located in the processing cavity and is connected with the rotary component, the processing cavity is divided into the first cavity and the second cavity, the heat exchange area between the first cavity and the second cavity is reduced under the action of the first partition piece, the heat exchange efficiency between the first cavity and the second cavity is low, and the temperature change between the first cavity and the second cavity is low, so that the temperature change between the first cavity and the second cavity is difficult to occur under the partition action of the first partition piece, and in the same way, the temperature change between the first sub cavity and the second sub cavity is difficult to occur under the partition action of the second partition piece, namely, the temperature change between the adjacent cavities of the processing cavity is difficult to occur under the combined action of the first partition piece and the second partition piece, the temperature stability between the plurality of cavities of the processing cavity is good, and the calcination stability of the rotary calcination device is good.
2. Because the temperature is difficult to be changed between the adjacent cavities of the processing cavity under the combined action of the first partition piece and the second partition piece, the temperature stability in the first cavity during feeding is good, the temperature in the first cavity during feeding is moderate, the temperature rising rate of the material in the calcining process of the first cavity is gentle, the stress distribution in the material during calcining is uniform, and the particle uniformity of the material which is crushed after calcining is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a rotary calcination apparatus according to an embodiment;
FIG. 2 is a schematic view of the gas path through pipe of the rotary calcination apparatus shown in FIG. 1;
FIG. 3 is a schematic view of three of the first partition members of the rotary calcination apparatus shown in FIG. 1;
fig. 4 is a schematic view of the structure of three of the second partition members of the rotary calcination apparatus shown in fig. 1.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The utility model provides a rotary calcining device which comprises a feeding assembly, a rotary assembly, a first partition member, a second partition member and a discharging assembly. Wherein, the feeding component is formed with a feeding port and a feeding channel which are communicated. The rotary component is connected with the feeding component and is provided with a processing cavity. The first partition piece is positioned in the processing cavity and connected with the rotary component so as to divide the processing cavity into a first cavity and a second cavity, and the first cavity is communicated with the feeding channel; the bottom of the first partition member and the inner wall of the processing cavity jointly enclose a first flow channel, and the first flow channel is respectively communicated with the first cavity and the second cavity. The second partition piece is positioned in the second cavity and connected with the rotary component so as to divide the second cavity into a first sub-cavity and a second sub-cavity, and the first runner is communicated with the first sub-cavity; the bottom of the second partition member and the inner wall of the second cavity jointly enclose a second flow passage, and the second flow passage is respectively communicated with the first sub-cavity and the second sub-cavity. The discharging assembly is connected with the rotary assembly, a discharging channel and a discharging hole which are communicated are formed in the discharging assembly, and the second sub cavity is communicated with the discharging channel.
According to the rotary calcining device, the first partition piece is located in the processing cavity and connected with the rotary component, so that the processing cavity is partitioned into the first cavity and the second cavity, the heat exchange area between the first cavity and the second cavity is reduced under the action of the first partition piece, the heat exchange efficiency between the first cavity and the second cavity is low, and the temperature change between the first cavity and the second cavity is low, so that the temperature change between the first cavity and the second cavity is difficult to occur under the partition action of the first partition piece, and in the same way, the temperature change between the first sub cavity and the second sub cavity is difficult to occur under the partition action of the second partition piece, namely, the temperature change between the adjacent cavities of the processing cavity is difficult to occur under the combined action of the first partition piece and the second partition piece, the temperature stability between the plurality of cavities of the processing cavity is good, and the calcining stability of the rotary calcining device is good. Because the temperature is difficult to be changed between the adjacent cavities of the processing cavity under the combined action of the first partition piece and the second partition piece, the temperature stability in the first cavity during feeding is good, the temperature in the first cavity during feeding is moderate, the temperature rising rate of the material in the calcining process of the first cavity is gentle, the stress distribution in the material during calcining is uniform, and the particle uniformity of the material which is crushed after calcining is good.
In order to better understand the technical scheme and beneficial effects of the present utility model, the following describes the present utility model in further detail with reference to specific embodiments:
as shown in fig. 1, the rotary calcination apparatus 10 of an embodiment includes a feeding assembly 100, a rotary assembly 200, a first partition 300, a second partition 400, and a discharging assembly 500. Wherein, the feeding assembly 100 is formed with a feeding port 110 and a feeding channel 120 which are communicated. The swing assembly 200 is connected to the feed assembly 100, and the swing assembly 200 is formed with a process chamber 210. The first partition 300 is located in the processing chamber 210 and connected to the rotating assembly 200, so that the processing chamber 210 is divided into a first chamber 211 and a second chamber 212, and the first chamber 211 is communicated with the feeding channel 120; the bottom of the first partition 300 and the inner wall of the processing chamber 210 together define a first flow channel 310, and the first flow channel 310 is respectively communicated with the first chamber 211 and the second chamber 212. The second partition 400 is located in the second cavity 212 and connected to the swivel assembly 200, so that the second cavity 212 is divided into a first sub-cavity 2121 and a second sub-cavity 2122, and the first flow channel 310 is communicated with the first sub-cavity 2121; the bottom of the second partition 400 and the inner wall of the second cavity 212 together enclose a second flow channel 410, and the second flow channel 410 is respectively communicated with the first sub-cavity 2121 and the second sub-cavity 2122. The discharging assembly 500 is connected with the turning assembly 200, the discharging assembly 500 is formed with a discharging channel 510 and a discharging hole 520 which are communicated, and the second sub-cavity 2122 is communicated with the discharging channel 510.
In this embodiment, the height of the feeding assembly 100 is greater than the height of the discharging assembly 500, so that after the material enters the rotating assembly 200, the material moves slowly toward the discharging assembly 500 under the action of gravity. Material enters from the feed inlet 110, enters the first cavity 211 through the feed channel 120, enters the first sub-cavity 2121 through the first flow channel 310, then enters the second sub-cavity 2122 through the second flow channel 410, finally enters the discharge channel 510 through the second sub-cavity 2122, is conveyed to the discharge outlet 520 through the discharge channel 510, and the discharge outlet 520 is used for being communicated with a feed inlet of an aggregate device.
Further, after the calcined material reaches the discharge port 520, the operator can directly receive the material into the packaging bag after the material is naturally cooled.
In the rotary calcining device 10, the first partition 300 is disposed in the processing chamber 210 and is connected to the rotary assembly 200, so that the processing chamber 210 is partitioned into the first chamber 211 and the second chamber 212, and the heat exchange area between the first chamber 211 and the second chamber 212 is reduced under the action of the first partition 300, so that the heat exchange efficiency between the first chamber 211 and the second chamber 212 is lower, and further the temperature change between the first chamber 211 and the second chamber 212 is smaller, and therefore, the temperature change between the first chamber 211 and the second chamber 212 is difficult to occur under the partition action of the first partition 300, and in the same way, the temperature change is difficult to occur between the first sub chamber 2121 and the second sub chamber 2122 under the partition action of the second partition 400, that is, the temperature change between the adjacent chambers of the processing chamber 210 is difficult to occur under the combined action of the first partition 300 and the second partition 400, so that the stability of the temperature change between the multiple chambers of the processing chamber 210 is better, and the rotary calcining device 10 is better in stability. Because the temperature is difficult to be raised between the adjacent cavities of the processing cavity 210 under the combined action of the first partition member 300 and the second partition member 400, the temperature stability in the first cavity 211 during feeding is better, so that the temperature in the first cavity 211 during feeding is moderate, the temperature rising rate of the material in the calcining process of the first cavity 211 is more gentle, the internal stress distribution of the material during calcining is more uniform, and the particle uniformity of the crushed material after calcining is better.
As shown in fig. 1, in one embodiment, the rotary calcination apparatus 10 further includes a plurality of shoveling plates 600, the plurality of shoveling plates 600 are located in the first cavity 2121, the plurality of shoveling plates 600 are disposed at intervals, and each shoveling plate 600 is connected to the first partition 300 and the second partition 400, respectively. In this embodiment, the surface of the material plate 600 is coated with tungsten carbide to prevent the entry of magnetic foreign matters, so that the internal environmental stability of the processing chamber 210 is better, and thus the calcination stability of the rotary calcination apparatus 10 is better.
Further, the rotary calcining device 10 can lift the material at the bottom of the rotary assembly 200 by the material lifting plate 600 in the process of calcining the material, so as to avoid long-time heating of the material at the bottom, and make the heating degree of the upper layer and the material at the bottom uniform, so that the stress distribution inside the material is uniform during calcining, and further make the particle uniformity of the broken material after calcining better.
As shown in fig. 1 and 3, in one embodiment, the first partition 300 includes two first ceramic plates 320, the two first ceramic plates 320 are disposed at intervals, the two first ceramic plates 320 are connected to the inner wall of the processing chamber 210 to enclose a first transition chamber 321, the first flow channel 310 is communicated with the first transition chamber 321, each first ceramic plate 320 is formed with a first via hole 322 and a plurality of first fixing holes 323, the plurality of first fixing holes 323 are disposed around the first via hole 322 at intervals, the first via hole 322 and the plurality of first fixing holes 323 are communicated with the first transition chamber 321, one end of each material making plate 600 sequentially penetrates through the first fixing holes 323 on one of the first ceramic plates 320, the first transition chamber 321 and the first fixing holes 323 on the other first ceramic plate 320, and one end of each material making plate 600 is connected with the two first ceramic plates 320. In this embodiment, the interval between the two first ceramic plates 320 is 40-50mm, that is, the width of the cross section of the first transition cavity 321 is 40-50mm, the first transition cavity 321 provides a retention space for conveying materials, so that the materials are preheated in the retention space, the material heating rate is prevented from being too fast, the stress distribution inside the materials is uniform during calcination, and the particle uniformity of the materials after calcination is better.
Further, the bottom edge surface of the first ceramic plate 320 may be a flat surface or a curved surface or a concave surface.
As shown in fig. 1 and fig. 4, in one embodiment, the second partition member 400 includes two second ceramic plates 420, the two second ceramic plates 420 are disposed at intervals, the two second ceramic plates 420 are connected to the inner wall of the second cavity 212 to enclose a second transition cavity 421, the second flow channel 410 is communicated with the second transition cavity 421, each second ceramic plate 420 is formed with a second through hole 422 and a plurality of second fixing holes 423, the plurality of second fixing holes 423 are disposed along the second through holes 422 at intervals around the second through holes 422, the second through holes 422 and the plurality of second fixing holes 423 are all communicated with the second transition cavity 421, and one end of each shoveling plate 600, facing away from the first ceramic plate 320, sequentially penetrates through the second fixing holes 423 on one second ceramic plate 420, the second transition cavity 421 and the second fixing holes 423 on the other second ceramic plate 420, and one end of each shoveling plate 600, facing away from the first ceramic plate 320, is connected with the two second ceramic plates 420. In this embodiment, the interval between the two second ceramic plates 420 is 40-50mm, that is, the width of the cross section of the second transition cavity 421 is 40-50mm, the second transition cavity 421 provides a retention space for conveying the material, so that the material is preheated in the retention space, the material heating rate is prevented from being too fast, the stress distribution inside the material is uniform during calcination, and the particle uniformity of the broken material after calcination is good.
Further, the bottom edge surface of the second ceramic plate 420 may be a flat or curved surface or a concave surface.
As shown in fig. 1 and 2, in one embodiment, the rotary calcining apparatus 10 further includes a gas path tube 700, the gas path tube 700 includes a tube body 710 and a plurality of bronchi 720, the plurality of bronchi 720 are connected to the tube body 710 at intervals, the tube body 710 is formed with a ventilation channel 711, each bronchi 720 is formed with an exhaust channel 721, the ventilation channel 711 is communicated with each exhaust channel 721, the tube body 710 sequentially penetrates through the feeding channel 120, the first cavity 211, the first through hole 322 on one of the first ceramic plates 320, the first transition cavity 321, the first through hole 322 on the other first ceramic plate 320, the first sub-cavity 2121, the second through hole 422 on one of the second ceramic plates 420, the second transition cavity 421, the second through hole 422 on the other second ceramic plate 420, the second sub-cavity 2122 and the discharging channel 510, and the tube body 710 is respectively connected to each first ceramic plate 320 and each second ceramic plate 420, and one end of the tube body 710 located in the discharging channel 510 is used for connecting with an output end of the gas feeding apparatus. In this embodiment, tungsten carbide is sprayed on the surface of the tube body 710 and the surfaces of the plurality of bronchi 720, the included angle between the tube body 710 and each bronchi 720 is 30 ° -45 °, the tube body 710 is air-fed from one end adjacent to the discharging component 500, the air is conveyed to the other end of the tube body 710, and is air-discharged through the plurality of bronchi 720 and the other end of the tube body 710, and the air is a protective gas such as nitrogen gas, so as to protect the calcined material, so that the internal stability of the rotary calcining device 10 is better, and the calcining stability of the rotary calcining device 10 is better.
As shown in fig. 1, in one embodiment, the feeding assembly 100 is further formed with an induced draft port 130, and the feeding channel 120 is in communication with the induced draft port 130, and the induced draft port 130 is used for connection with an input end of an induced draft fan. In this embodiment, the gas and the material solids in the processing chamber 210 form a gas-solid mixed phase, the tiny fine powder particles move towards the induced air port 130 under the driving of the air flow, the larger particles fall back to the bottom of the rotary assembly 200 under the action of gravity, and the fine powder particles reaching the induced air port 130 are discharged out of the feeding channel 120 under the action of the induced draught fan, so that the material particles in the rotary assembly 200 are more uniform, and the particle uniformity of the crushed material after calcination is better.
As shown in fig. 1, in one embodiment, a first sealing ring 140 is disposed at a connection position between the feeding component 100 and the revolving component 200, and a second sealing ring 530 is disposed at a connection position between the revolving component 200 and the discharging component 500, so that the tightness of the connection position between the feeding component 100 and the revolving component 200 and the connection position between the revolving component 200 and the discharging component 500 is better, and the tightness of the revolving calcination device 10 is better.
In one embodiment, as shown in fig. 1, the rotary calcination device 10 is further provided with at least three N-type thermocouples (nichrome-nichrome thermocouples, not shown), at least one N-type thermocouple is disposed in the first cavity 211, at least one N-type thermocouple is disposed in the first sub-cavity 2121, at least one N-type thermocouple is disposed in the second sub-cavity 2122, and each N-type thermocouple is electrically connected to a computer. In this embodiment, the N-type thermocouple is used to measure the temperature of each cavity in the processing cavity 210, and the measured data is fed back to the computer, so that the computer monitors the temperature of each cavity in the processing cavity 210, and the feedback instantaneity of the temperature in the rotary calcination device 10 is better.
The computer and the acquisition, processing, calculation, etc. of the data of the N-type thermocouple of the rotary calcination apparatus 10 are not within the scope of the present utility model. The present utility model only protects the connection relationship and the positional relationship of the N-type thermocouple of the rotary calcination apparatus 10.
As shown in fig. 1, in one embodiment, the rotary calcining device 10 further includes a heating assembly 900, where the heating assembly 900 is wrapped around the rotary assembly 200, so that the rotary assembly 200 is sufficiently heated under the action of the heating assembly 900, so that the working efficiency of the rotary assembly 200 is higher, and thus the calcining efficiency of the rotary calcining device 10 is higher.
The present utility model also provides a high temperature torrefaction apparatus including the rotary calcination device 10 according to any of the above embodiments.
Compared with the prior art, the utility model has at least the following advantages:
1. because the first partition 300 is located in the processing chamber 210 and is connected to the revolving assembly 200, so that the processing chamber 210 is partitioned into the first chamber 211 and the second chamber 212, the heat exchange area between the first chamber 211 and the second chamber 212 is reduced under the action of the first partition 300, so that the heat exchange efficiency between the first chamber 211 and the second chamber 212 is lower, and further, the temperature change between the first chamber 211 and the second chamber 212 is smaller, therefore, the temperature between the first chamber 211 and the second chamber 212 is harder to occur under the partition action of the first partition 300, and in the same way, the temperature between the first sub-chamber 2121 and the second sub-chamber 2122 is harder to occur under the partition action of the second partition 400, namely, the temperature between the adjacent chambers of the processing chamber 210 is harder to occur under the combined action of the first partition 300 and the second partition 400, so that the temperature stability between the multiple chambers of the processing chamber 210 is better, and the revolving calcination device 10 is better in stability.
2. Because the temperature is difficult to be raised between the adjacent cavities of the processing cavity 210 under the combined action of the first partition member 300 and the second partition member 400, the temperature stability in the first cavity 211 during feeding is better, so that the temperature in the first cavity 211 during feeding is moderate, the temperature rising rate of the material in the calcining process of the first cavity 211 is more gentle, the internal stress distribution of the material during calcining is more uniform, and the particle uniformity of the crushed material after calcining is better.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A rotary calcination apparatus, comprising:
the feeding assembly is provided with a feeding port and a feeding channel which are communicated with each other;
the rotary assembly is connected with the feeding assembly and is provided with a processing cavity;
the first partition piece is positioned in the processing cavity and connected with the rotary component so as to divide the processing cavity into a first cavity and a second cavity, and the first cavity is communicated with the feeding channel; the bottom of the first partition member and the inner wall of the processing cavity jointly enclose a first flow channel, and the first flow channel is respectively communicated with the first cavity and the second cavity;
the second partition piece is positioned in the second cavity and connected with the rotary component so as to divide the second cavity into a first sub-cavity and a second sub-cavity, and the first runner is communicated with the first sub-cavity; the bottom of the second partition member and the inner wall of the second cavity jointly enclose a second flow passage, and the second flow passage is respectively communicated with the first sub-cavity and the second sub-cavity; and
the discharging assembly is connected with the rotary assembly, a discharging channel and a discharging hole which are communicated are formed in the discharging assembly, and the second sub cavity is communicated with the discharging channel.
2. The rotary calcination apparatus according to claim 1, further comprising a plurality of shoveling plates, the shoveling plates being located in the first cavity, the shoveling plates being disposed at intervals, each of the shoveling plates being connected to the first partition member and the second partition member, respectively.
3. The rotary calcining device according to claim 2, wherein the first partition member comprises two first ceramic plates, the two first ceramic plates are arranged at intervals, the two first ceramic plates are connected to the inner wall of the processing cavity so as to form a first transition cavity, the first runner is communicated with the first transition cavity, each first ceramic plate is provided with a first through hole and a plurality of first fixing holes, the plurality of first fixing holes are arranged along the first through holes at intervals in a surrounding manner, the first through holes and the plurality of first fixing holes are communicated with the first transition cavity, one end of each material shoveling plate sequentially penetrates through the first fixing holes in one of the first ceramic plates, the first transition cavity and the first fixing holes in the other ceramic plate, and one end of each material shoveling plate is connected with the two first ceramic plates.
4. The rotary calcining device according to claim 3, wherein the second partition member comprises two second ceramic plates, the two second ceramic plates are arranged at intervals, the two second ceramic plates are connected to the inner wall of the second cavity so as to form a second transition cavity, the second runner is communicated with the second transition cavity, each second ceramic plate is provided with a second through hole and a plurality of second fixing holes, the plurality of second fixing holes are arranged along the second through holes at intervals in a surrounding manner, the second through holes and the plurality of second fixing holes are communicated with the second transition cavity, one end of each shoveling plate deviating from one of the second ceramic plates sequentially penetrates through the second fixing holes, the second transition cavity and the other second fixing holes on one of the second ceramic plates, and one end of each shoveling plate deviating from the first ceramic plates is connected with the two second ceramic plates.
5. The rotary calcination device according to claim 4, further comprising a gas path through pipe, wherein the gas path through pipe comprises a pipe body and a plurality of bronchi, the bronchi are connected to the pipe body at intervals, the pipe body is formed with a ventilation channel, each bronchi is formed with an exhaust channel, the ventilation channel is communicated with each exhaust channel, the pipe body sequentially penetrates through the feeding channel, the first cavity, the first through hole on one of the first ceramic plates, the first transition cavity, the first through hole on the other of the first ceramic plates, the first sub cavity, the second through hole on one of the second ceramic plates, the second transition cavity, the second through hole on the other of the second ceramic plates, the second sub cavity and the discharge channel, the pipe body is respectively connected with each of the first ceramic plates and each of the second ceramic plates, and the pipe body is positioned at one end of the discharge channel and is used for connection with an output end of the gas supply device.
6. The rotary calcination apparatus according to claim 5, wherein the feed assembly is further formed with an induced draft port, the feed channel is in communication with the induced draft port, and the induced draft port is configured to be connected to an input end of an induced draft fan.
7. The rotary calcination device according to claim 1, wherein a first sealing ring is provided at a connection of the feeding assembly and the rotary assembly, and a second sealing ring is provided at a connection of the rotary assembly and the discharging assembly.
8. The rotary calcination apparatus according to claim 1, further provided with at least three N-type thermocouples, at least one of the N-type thermocouples being disposed in the first cavity, at least one of the N-type thermocouples being disposed in the first sub-cavity, at least one of the N-type thermocouples being disposed in the second sub-cavity, each of the N-type thermocouples being for electrical connection with a computer.
9. The rotary calcination apparatus according to claim 1, further comprising a heating assembly, wherein the heating assembly is wrapped around the rotary assembly.
10. A high temperature torrefaction apparatus comprising the rotary calcination device according to any one of claims 1 to 9.
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| CN202320251823.6U CN219511238U (en) | 2023-02-17 | 2023-02-17 | Rotary calcining device and high-temperature baking equipment |
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| CN202320251823.6U CN219511238U (en) | 2023-02-17 | 2023-02-17 | Rotary calcining device and high-temperature baking equipment |
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