CN112902658A - Rotary kiln for efficiently producing metallurgical lime - Google Patents
Rotary kiln for efficiently producing metallurgical lime Download PDFInfo
- Publication number
- CN112902658A CN112902658A CN202110120461.2A CN202110120461A CN112902658A CN 112902658 A CN112902658 A CN 112902658A CN 202110120461 A CN202110120461 A CN 202110120461A CN 112902658 A CN112902658 A CN 112902658A
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- gear
- kiln
- transmission shaft
- kiln body
- rotary kiln
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/26—Drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/26—Drives
- F27B2007/261—Drives working with a ring embracing the drum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
- F27B2007/3211—Charging at the open end of the drum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The application relates to a rotary kiln for efficiently producing metallurgical lime, which comprises a kiln head cover, a kiln body, a driving assembly, a feeding hopper, a transmission assembly and a speed regulating box. One end of the kiln body is arranged on the kiln head cover, a large gear is arranged on the outer surface of the kiln body, and the driving assembly is connected with the large gear. The feeder hopper sets up in one side of kiln hood cover to communicate with the inner chamber of the kiln body, the inner chamber below of feeder hopper is provided with the valve plate. The transmission assembly comprises a first gear and a transmission shaft, the first gear is meshed with the large gear, one end of the transmission shaft is connected with the first gear, the other end of the transmission shaft is connected with the input end of the speed regulating box, the output end of the speed regulating box is connected with the valve plate, when the large gear drives the transmission shaft to rotate through the first gear, the transmission shaft controls the speed of the material entering the inner chamber through the rotating speed of the valve plate controlled by the speed regulating box, so that the speed of the material entering the inner chamber of the kiln body can be adjusted only by adjusting the transmission ratio/gear of the speed regulating box, the orderliness of metallurgical lime production can be guaranteed, and the lime forging effect is improved.
Description
Technical Field
The application relates to the technical field of rotary kilns, in particular to a rotary kiln for efficiently producing metallurgical lime.
Background
The metallurgical lime can be divided into common metallurgical lime and magnesium metallurgical lime according to different materials, and the common metallurgical lime is fired by the limestone, has high calcium oxide content and does not contain magnesium oxide. The magnesium metallurgical lime is burnt by magnesium limestone, contains magnesium oxide with the mass fraction of about 5 percent and has low calcium oxide content.
The prior art metallurgical lime is produced in a rotary kiln, raw material of which is mainly fed into a feed hopper through a screw feeder and then fed into a kiln head through the feed hopper, thereby entering the rotary kiln for calcination. However, the applicant finds that the feeding hopper of the existing rotary kiln cannot adjust the feeding speed, and in order to adjust the feeding speed, a feeding adjusting device is usually installed at the feeding hopper, and then a driving device and a circuit are externally connected, so that the cost is increased, and the danger is high.
Disclosure of Invention
The embodiment of the application provides a rotary kiln for high-efficient production metallurgical lime, solves the problem that current feeder hopper needs external drive arrangement and circuit in order to adjust the input speed.
In order to solve the above technical problem, the present application is implemented as follows:
in a first aspect, there is provided a rotary kiln for the efficient production of metallurgical lime, comprising: a kiln head cover with a smoke outlet; one end of the kiln body is arranged on the kiln head cover, the other end of the kiln body is provided with a discharge hole, and the outer surface of the kiln body is provided with a large gear; the driving component is connected with the large gear and drives the kiln body to rotate by driving the large gear to rotate; the feed hopper is arranged on one side of the kiln hood cover and is communicated with the inner cavity of the kiln body, and a valve plate is arranged below the inner cavity of the feed hopper and is used for controlling materials to enter the inner cavity; the transmission assembly is arranged on the kiln head cover and comprises a first gear and a transmission shaft, the first gear is meshed with the large gear, and one end of the transmission shaft is connected with the first gear; the input end of the speed regulating box is connected with the other end of the transmission shaft, the output end of the speed regulating box is connected with the valve plate, and when the large gear drives the transmission shaft to rotate through the first gear, the transmission shaft controls the rotating speed of the valve plate through the speed regulating box to control the speed of the material entering the inner cavity.
In a first possible implementation manner of the first aspect, a connecting shaft is transversely inserted below an inner cavity of the feed hopper, a plurality of valve plates are arranged on an outer wall of the connecting shaft, and the connecting shaft is connected with an output end of the speed regulating box.
In a second possible implementation manner of the first aspect, a plurality of buffer plates are arranged above the inner cavity of the feeding hopper, and the plurality of buffer plates are obliquely arranged on two sides of the inner wall of the feeding hopper in a staggered manner.
In a third possible implementation manner of the first aspect, the gearbox is a manual gearbox, a manual gear is arranged on one side of the gearbox, and the gearbox adjusts the rotation speed of the valve plate by adjusting the gear of the manual gear.
In a fourth possible implementation manner of the first aspect, the kiln body is inclined at 1 ° to 7 ° from the horizontal plane, and the height of one side of the kiln body from the ground is greater than the height of the other side of the kiln body from the ground.
In a fifth possible implementation form of the first aspect, the driving assembly comprises a driving member and a second gear connected to the driving member, the second gear being meshed with the gearwheel.
In a sixth possible implementation manner of the first aspect, the transmission assembly further comprises a bearing seat, the bearing seat is arranged on the kiln hood cover, and the transmission shaft penetrates through the bearing seat.
In a seventh possible implementation manner of the first aspect, the method further includes: and the combustion spray gun is arranged at the other end of the kiln body, and high-temperature gas generated by the combustion spray gun flows towards the direction of the kiln hood.
In an eighth possible implementation manner of the first aspect, the method further includes: and the cooling pool is correspondingly arranged below the discharge port.
In a ninth possible implementation manner of the first aspect, the method further includes: and the spiral conveyor is correspondingly arranged above the feed hopper and used for conveying materials to the feed hopper.
Compared with the prior art, the application has the advantages that:
the utility model provides a rotary kiln for metallurgical lime of high-efficient production, when its drive assembly drive gear wheel rotates, the gear wheel drives the synchronous rotation of transmission shaft through first gear, the transmission shaft passes through the speed governing case and drives the valve plate rotation, and the material gets into kiln internal chamber through the feeder hopper when calcining, the steerable material of rotational speed of valve plate gets into the speed of internal chamber, so only need adjust the speed that speed governing case drive ratio/gear can adjust the material and get into kiln internal chamber, can guarantee the orderliness of metallurgical lime production like this, improve lime forging effect, and this application does not need external drive arrangement and circuit, can reduce production danger.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of a rotary kiln for the efficient production of metallurgical lime according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a feed hopper of an embodiment of the present application;
FIG. 3 is a partial schematic view of a feed hopper of an embodiment of the present application;
FIG. 4 is a schematic view of a governor box of an embodiment of the present application connected to a feed hopper.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As used herein, the terms "first," "second," and the like, do not denote any order or importance, nor do they limit the present application, but rather are used to distinguish one element from another or from another element or operation described in the same technical language.
Referring to fig. 1, there is shown a schematic view of a rotary kiln for the efficient production of metallurgical lime according to an embodiment of the present application; as shown in the figure, the rotary kiln 1 for efficiently producing the metallurgical lime comprises a kiln head cover 2, a kiln body 3, a driving assembly 4, a feed hopper 5, a transmission assembly 6 and a speed regulating box 7. One end of the kiln body 3 is arranged on the kiln head cover 2, and the outer surface of the kiln body 3 is provided with a big gear 32. The drive assembly 4 is connected to a gearwheel 32. In the present embodiment, the driving assembly 4 includes a driving member 41 and a second gear 42 connected to the driving member 41, the second gear 42 is engaged with the large gear 32, and the driving member 41 drives the large gear 32 through gear transmission. The driver 41 uses a motor.
Please refer to fig. 2, which is a schematic cross-sectional view of a feeding hopper according to an embodiment of the present application; as shown in the figure, the feed hopper 5 is arranged at one side of the kiln head cover 2 and communicated with the inner bore of the kiln body 3, and a valve plate 51 is arranged below the inner cavity of the feed hopper 5. The transmission assembly 6 is arranged on the kiln head cover 2, the transmission assembly 6 comprises a first gear 61 and a transmission shaft 62, the first gear 61 is meshed with the large gear 32, one end of the transmission shaft 62 is connected with the first gear 61, the other end of the transmission shaft 62 is connected with the input end of the speed regulating box 7, and the output end of the speed regulating box 7 is connected with the valve plate 51. In this embodiment, the transmission assembly 6 further includes a bearing seat 63, the bearing seat 63 is disposed on the kiln head cover 2, and the transmission shaft 62 penetrates through the bearing seat 63.
The rotary kiln 1 for producing metallurgical lime efficiently of this embodiment is when calcining the material, drive assembly 4 rotates and drives the kiln body 3 through drive gear wheel 32 and rotate, gear wheel 32 drives transmission shaft 62 synchronous rotation through first gear 61 simultaneously, transmission shaft 62 drives valve plate 51 through speed governing case 7 and rotates, and the material gets into the kiln body 3 thorax through feeder hopper 5 when calcining, the steerable material of rotational speed of valve plate 51 gets into the speed of thorax, so only need adjust the speed that the material got into kiln body 3 thorax to 7 drive ratio/gear of speed governing case, can guarantee the orderliness of metallurgical lime production like this, improve lime forging effect, and the rotary kiln 1 for producing metallurgical lime efficiently of this embodiment does not need external drive arrangement and circuit, can reduce the production danger.
The detailed structures of the kiln head cover 2, the kiln body 3, the feed hopper 5 and the speed regulating box 7 are further described below. Referring back to fig. 1, the kiln hood 2 has a discharge port 21. Preferably, exhaust port 21 department sets up the preheater (not shown in the figure), and the preheater can be before the raw meal gets into the kiln body 3 by exhaust tail gas waste heat of exhaust port 21 with the raw meal carry out the equipment of preliminary heating, mostly be vertical structure, can effectively reduce the energy consumption to improve finished product quality grade.
The other end of the kiln body 3 is provided with a discharge hole 31. When the material is calcined, the material enters the kiln body 3 from the kiln head cover 2, and is calcined by the kiln body 3 and then discharged from the discharge hole 31. In this embodiment, the kiln body 3 is inclined from the horizontal plane by 1 ° to 7 °, and the height of one end of the kiln body 3 from the ground is less than the height of the other end of the kiln body 3 from the ground, in other words, the end of the kiln body 3 close to the kiln head cover 2 is lower than the end of the kiln body 3 far from the kiln head cover 2.
Referring to FIG. 3 in conjunction with FIG. 2, FIG. 3 is a schematic view of a portion of a feed hopper according to an embodiment of the present application; as shown in the figure, the connecting shaft 52 is transversely inserted below the inner cavity of the feed hopper 5, the plurality of valve plates 51 are arranged on the outer wall of the connecting shaft 52, the connecting shaft 52 is connected with the output end of the speed regulating box 7, and the speed regulating box 7 drives the plurality of valve plates 51 to rotate by driving the connecting shaft 52, so that the discharging speed of the material is controlled. Referring back to fig. 2, still be provided with a plurality of buffer plates 53 above the inner chamber of feeder hopper 5, the crisscross slope of a plurality of buffer plates 53 sets up the inner wall both sides of feeder hopper 5 for cushion the material before falling into valve plate 51, avoid the direct impact valve plate 51 of material and lead to the impaired condition of valve plate 51, can improve the life of feeder hopper 5 so greatly.
Referring to fig. 4 and also to fig. 1, fig. 4 is a schematic view illustrating a connection between a governor box and a feed hopper according to an embodiment of the present application; as shown, the gearbox 7 is a manual gearbox 7. A manual position 71 is provided on one side of the transmission case 7, and the transmission case 7 adjusts the rotational speed of the valve plate 51 by adjusting the position of the manual position 71. Specifically, the manual gear 71 may include four gears, i.e., 1 gear, 2 gear, 3 gear and 4 gear, each corresponding to a different transmission ratio, but not limited thereto.
Referring back to fig. 1, the rotary kiln 1 for efficiently producing metallurgical lime further includes a combustion lance 8 disposed at the other end of the kiln body 3. The high temperature gas generated by the combustion lance 8 flows towards the kiln head cover 2 to calcine the material, and the calcined material is discharged through a low discharge hole 31. In this embodiment, the rotary kiln 1 for efficiently producing metallurgical lime further includes a cooling pool 9, and the cooling pool 9 is correspondingly disposed below the discharge port 31 and is used for cooling the material dropped from the discharge port 31, that is, the calcined material. The cooling tank 9 is made of a high temperature resistant material. A rotary kiln 1 for high-efficient production metallurgical lime still includes screw conveyer 10, and screw conveyer 10 corresponds and sets up in the top of feeder hopper 5 for to feeder hopper 5 transported substance material.
To sum up, the application provides a rotary kiln for metallurgical lime of high-efficient production, when its drive assembly drive gear wheel rotates, the gear wheel drives the synchronous rotation of transmission shaft through first gear, the transmission shaft passes through the speed governing case and drives the valve plate rotation, and when the material got into the kiln internal chamber through the feeder hopper and calcines, the steerable material of rotational speed of valve plate got into the speed of internal chamber, so only need adjust the speed that the speed governing case drive ratio/gear can adjust the material and get into the kiln internal chamber, can guarantee the orderliness of metallurgical lime production like this, improve lime forging effect, and this application does not need external drive equipment and circuit, can reduce production danger.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A rotary kiln for the efficient production of metallurgical lime, comprising:
a kiln head cover with a smoke outlet;
one end of the kiln body is arranged on the kiln head cover, the other end of the kiln body is provided with a discharge hole, and a large gear is arranged on the outer surface of the kiln body;
the driving component is connected with the large gear and drives the kiln body to rotate by driving the large gear to rotate;
the feed hopper is arranged on one side of the kiln head cover and is communicated with the inner cavity of the kiln body, and a valve plate is arranged below the inner cavity of the feed hopper and is used for controlling materials to enter the inner cavity;
the transmission assembly is arranged on the kiln head cover and comprises a first gear and a transmission shaft, the first gear is meshed with the large gear, and one end of the transmission shaft is connected with the first gear;
the input end of the speed regulating box is connected with the other end of the transmission shaft, the output end of the speed regulating box is connected with the valve plate, the large gear drives the transmission shaft to rotate through the first gear, and the transmission shaft controls the rotating speed of the valve plate to control the material to enter the inner chamber.
2. The rotary kiln as claimed in claim 1, wherein a connecting shaft is transversely inserted below an inner cavity of the feed hopper, a plurality of valve plates are arranged on an outer wall of the connecting shaft, and the connecting shaft is connected with an output end of the speed regulating box.
3. The rotary kiln as claimed in claim 1, wherein a plurality of buffer plates are arranged above the inner cavity of the feed hopper, and the plurality of buffer plates are obliquely arranged on two sides of the inner wall of the feed hopper in a staggered manner.
4. The rotary kiln as claimed in claim 1, wherein the governor box is a manual governor box, a manual gear is provided at one side of the governor box, and the governor box adjusts the rotation speed of the valve plate by adjusting the gear of the manual gear.
5. The rotary kiln as claimed in claim 1, wherein the kiln body is inclined at an angle of 1 ° to 7 ° from the horizontal plane, and the height of one end of the kiln body from the ground is less than the height of the other end of the kiln body from the ground.
6. The rotary kiln as claimed in claim 1, wherein the drive assembly includes a drive member and a second gear coupled to the drive member, the second gear being in mesh with the bull gear.
7. The rotary kiln as claimed in claim 1, wherein the transmission assembly further comprises a bearing seat, the bearing seat is disposed on the kiln head cover, and the transmission shaft penetrates through the bearing seat.
8. The rotary kiln as claimed in claim 1, further comprising: and the combustion spray gun is arranged at the other end of the kiln body, and high-temperature gas generated by the combustion spray gun flows towards the direction of the kiln head cover.
9. The rotary kiln as claimed in claim 1, further comprising: and the cooling pool is correspondingly arranged below the discharge hole.
10. The rotary kiln as claimed in claim 1, further comprising: and the spiral conveyor is correspondingly arranged above the feed hopper and used for conveying the materials to the feed hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120461.2A CN112902658B (en) | 2021-01-28 | 2021-01-28 | Rotary kiln for efficiently producing metallurgical lime |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120461.2A CN112902658B (en) | 2021-01-28 | 2021-01-28 | Rotary kiln for efficiently producing metallurgical lime |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112902658A true CN112902658A (en) | 2021-06-04 |
| CN112902658B CN112902658B (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110120461.2A Active CN112902658B (en) | 2021-01-28 | 2021-01-28 | Rotary kiln for efficiently producing metallurgical lime |
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| Country | Link |
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| CN (1) | CN112902658B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976608A (en) * | 2021-10-13 | 2022-01-28 | 煜环环境科技有限公司 | Thermal desorption device for organic contaminated soil remediation and construction process thereof |
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| US3578297A (en) * | 1969-06-23 | 1971-05-11 | Lee H Niems | Apparatus for cooling particles |
| CN201016117Y (en) * | 2006-10-26 | 2008-02-06 | 宝山钢铁股份有限公司 | Rotary hearth furnace tore material evenly arranging device |
| CN105698524A (en) * | 2016-02-17 | 2016-06-22 | 石家庄新华能源环保科技股份有限公司 | Regenerative multistage heating rotary kiln device |
| CN208296584U (en) * | 2018-06-07 | 2018-12-28 | 连云港新江环保材料有限公司 | A kind of burning facility producing flying dust chelating agent |
| CN208860111U (en) * | 2018-08-22 | 2019-05-14 | 四川中科珺节能环保科技有限公司 | A kind of split type rotary kiln |
| CN209623335U (en) * | 2019-03-01 | 2019-11-12 | 淄博华焰窑炉技术有限公司 | A kind of Multi-point combustion bidirectional rotary rotary kiln |
| CN211120600U (en) * | 2019-12-17 | 2020-07-28 | 济宁金汉斯环保材料有限公司 | Dewatering filter aid roasting device |
-
2021
- 2021-01-28 CN CN202110120461.2A patent/CN112902658B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3578297A (en) * | 1969-06-23 | 1971-05-11 | Lee H Niems | Apparatus for cooling particles |
| CN201016117Y (en) * | 2006-10-26 | 2008-02-06 | 宝山钢铁股份有限公司 | Rotary hearth furnace tore material evenly arranging device |
| CN105698524A (en) * | 2016-02-17 | 2016-06-22 | 石家庄新华能源环保科技股份有限公司 | Regenerative multistage heating rotary kiln device |
| CN208296584U (en) * | 2018-06-07 | 2018-12-28 | 连云港新江环保材料有限公司 | A kind of burning facility producing flying dust chelating agent |
| CN208860111U (en) * | 2018-08-22 | 2019-05-14 | 四川中科珺节能环保科技有限公司 | A kind of split type rotary kiln |
| CN209623335U (en) * | 2019-03-01 | 2019-11-12 | 淄博华焰窑炉技术有限公司 | A kind of Multi-point combustion bidirectional rotary rotary kiln |
| CN211120600U (en) * | 2019-12-17 | 2020-07-28 | 济宁金汉斯环保材料有限公司 | Dewatering filter aid roasting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976608A (en) * | 2021-10-13 | 2022-01-28 | 煜环环境科技有限公司 | Thermal desorption device for organic contaminated soil remediation and construction process thereof |
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| CN112902658B (en) | 2022-03-08 |
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