CN220366674U - Novel medium-low grade manganese ore preheating roasting rotary kiln system - Google Patents

Novel medium-low grade manganese ore preheating roasting rotary kiln system Download PDF

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Publication number
CN220366674U
CN220366674U CN202321740792.7U CN202321740792U CN220366674U CN 220366674 U CN220366674 U CN 220366674U CN 202321740792 U CN202321740792 U CN 202321740792U CN 220366674 U CN220366674 U CN 220366674U
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kiln body
kiln
main
manganese ore
auxiliary
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CN202321740792.7U
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赵勋彰
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Xinghe County Shanhe Special Steel Co ltd
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Xinghe County Shanhe Special Steel Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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Abstract

The utility model discloses a novel medium-low grade manganese ore preheating roasting rotary kiln system, which comprises a main kiln body and two auxiliary kiln bodies, wherein the two auxiliary kiln bodies are fixedly arranged at two ends of the main kiln body through connecting frames, and the novel medium-low grade manganese ore preheating roasting rotary kiln system also comprises a scraping plate which is tightly attached to the joint of the main kiln body and the auxiliary kiln bodies; the utility model provides a novel well low-grade manganese ore preheats calcination rotary kiln system, when the synchronous rotation of main kiln body and two vice kiln body, strike off the knot circle on main kiln body and two vice kiln body inner walls by scraping the flitch, need not the staff and manually poke the knot circle off, reduced staff's work load, simultaneously, also need not to stop the work of rotary kiln and just can handle the knot circle on main kiln body and two vice kiln body inner walls, promoted the work efficiency of rotary kiln.

Description

Novel medium-low grade manganese ore preheating roasting rotary kiln system
Technical Field
The utility model relates to a manganese ore roasting technology, in particular to a novel medium-low grade manganese ore preheating roasting rotary kiln system.
Background
Manganese ore contains a large amount of high-valence oxide, water of combination and adsorbed water, and in the production process of manganese-silicon alloy, raw ore is generally directly fed into a furnace for smelting whether oxidized ore or carbonic acid ore. In the smelting process, compounds in the manganese ore are decomposed and water is evaporated to generate a large amount of gas, so that a large amount of heat energy is consumed, the safety of an electric furnace is threatened, and before smelting, the manganese ore is pretreated by adopting a manganese ore roasting process, so that the smelting power consumption can be greatly reduced, the production capacity of the electric furnace is improved, and the method plays an important role in safe production.
The manganese ore roasting rotary kiln system in the prior art comprises a feeding system, a vertical preheater, a rotary kiln, a kiln tail main dust removal system, a vertical cooler and a gas combustion system, wherein the rotary kiln has important functions, and comprises: the kiln comprises a kiln body, a kiln head positioned at the front end of the kiln body, a cooling kiln positioned at the bottom of the kiln body and an ash settling chamber positioned at the rear end of the kiln body. The kiln body is a main body of the rotary kiln device, the kiln head is a discharging part of the rotary kiln device, the cooling kiln mainly has the function of rapidly cooling a finished product, and the ash settling chamber has the function of providing a coke powder combustion space; in the normal production of rotary kilns, ring formation often occurs, which means that the ring formation is caused by the change of raw materials or the influence of operation and thermal system, and the ring formation is caused by excessive adhesion of materials in the kiln, so that a ring-shaped and hard ring which can prevent the movement of the materials is formed in a specific area. The damage caused by looping mainly comprises the following points: 1. the yield is reduced, and the labor intensity is increased; 2. the service life of the rotary kiln is influenced; 3. increasing the load of the equipment; 4. waste energy.
If the authorized bulletin number is CN203758228U and the authorized bulletin day is 2014 and 08/06, the utility model patent of a rotary kiln device is named, which comprises a kiln body, wherein a tuyere is arranged on the kiln body and is provided with a tuyere plug for sealing the tuyere. When the ring can not be poked off or not be poked cleanly by using the iron rod, oil or natural gas can be sprayed into the kiln body through the tuyere to burn the ring or further solidify the ring, so that the ring falls off. After the looping treatment is completed, the tuyere is sealed, and the rotary kiln can normally feed materials. The rotary kiln has low reconstruction cost and good reconstruction effect.
In the prior art, after the ring formation occurs in the rotary kiln, a general processing mode is that a tuyere is arranged on a kiln body of the rotary kiln, during the shutdown of the rotary kiln, an iron rod stretches into the kiln body from the tuyere to poke the ring formation, when the ring formation cannot be poked off or is not poked cleanly by the iron rod, oil or natural gas can be sprayed into the kiln body through the tuyere to burn the ring formation or further solidify the ring formation, so that the ring formation falls off.
Disclosure of Invention
The purpose of the application is to provide a novel medium-low grade manganese ore preheating roasting rotary kiln system so as to solve the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions:
the novel middle-low grade manganese ore preheating roasting rotary kiln system comprises a main kiln body and two auxiliary kiln bodies, wherein the two auxiliary kiln bodies are fixedly arranged at two ends of the main kiln body through connecting frames, and the novel middle-low grade manganese ore preheating roasting rotary kiln system further comprises a scraping plate which is tightly attached to the joint of the main kiln body and the auxiliary kiln bodies.
The novel middle-low grade manganese ore preheating roasting rotary kiln system comprises a main kiln body, wherein an outer ring is rotatably arranged at the outer side of the joint of the main kiln body and an auxiliary kiln body, an inner ring is rotatably arranged at the inner side of the joint of the main kiln body and the auxiliary kiln body, a connecting rod is fixed on the inner wall of the outer ring, and the connecting rod penetrates through the inner ring and is connected with a scraping plate.
According to the novel middle-low grade manganese ore preheating roasting rotary kiln system, the connecting frame is concave, and the distance between one end of the connecting frame parallel to the axis of the main kiln body and the inner wall of the main kiln body is greater than the distance between the scraping plate and the inner wall of the main kiln body.
According to the novel middle-low grade manganese ore preheating roasting rotary kiln system, one end of the scraping plate, which is close to the inner wall of the main kiln body, is connected with the scraping knife through the high-temperature-resistant soft rubber.
According to the novel middle-low grade manganese ore preheating roasting rotary kiln system, the outer gear ring is fixed in the middle of the outer wall of the main kiln body, the driving gear is meshed with the lower side of the outer gear ring, and the driving gear is fixedly connected with the output end of the driving piece.
The novel medium-low grade manganese ore preheating roasting rotary kiln system further comprises a bottom plate, the driving piece is fixed on the bottom plate, a gear rod is fixed on the outer wall of the outer ring, a telescopic blocking piece is also installed on the bottom plate relatively, and the telescopic blocking piece and the gear rod are correspondingly matched.
In the technical scheme, the novel medium-low grade manganese ore preheating roasting rotary kiln system provided by the application is characterized in that when the main kiln body and the two auxiliary kiln bodies synchronously rotate, the scraping plate scrapes the ring formed on the inner walls of the main kiln body and the two auxiliary kiln bodies, a worker is not required to manually poke the ring formed, the workload of the worker is reduced, meanwhile, the ring formed on the inner walls of the main kiln body and the two auxiliary kiln bodies can be processed without stopping the rotary kiln, and the working efficiency of the rotary kiln is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a cross-sectional view of a novel medium-low grade manganese ore preheat roasting rotary kiln system provided in one embodiment of the present application;
FIG. 2 is an enlarged view of a portion of the present application at X of FIG. 1;
reference numerals illustrate:
1. a main kiln body; 11. an outer ring gear; 12. a drive gear; 13. a driving member; 2. an auxiliary kiln body; 21. an outer ring; 22. an inner ring; 23. a connecting rod; 24. a gear lever; 25. a telescoping stop; 26. a limiting ring; 3. a connecting frame; 4. a scraping plate; 41. high resistance Wen Ruanjiao; 42. a scraping knife; 5. a bottom plate; 51. and a limiting block.
Detailed Description
In order to better understand the technical solutions of the present application, the following description will be provided in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the novel middle-low grade manganese ore preheating roasting rotary kiln system provided by the embodiment of the application comprises a main kiln body 1 and two auxiliary kiln bodies 2, wherein the two auxiliary kiln bodies 2 are fixedly arranged at two ends of the main kiln body 1 through connecting frames 3, and further comprises scraping plates 4, and the scraping plates 4 are tightly attached to the joint of the main kiln body 1 and the auxiliary kiln bodies 2.
In this embodiment, the main kiln body 1 and the auxiliary kiln body 2 are both cylindrical structures, the length of the main kiln body 1 is longer than that of the auxiliary kiln body 2, the radiuses and the thicknesses of the main kiln body 1 and the auxiliary kiln body 2 are the same, when the main kiln body 1 and the two auxiliary kiln bodies 2 are connected with each other through the connecting frame 3, the axes between the main kiln body 1 and the two auxiliary kiln bodies 2 are positioned on the same line, and the main kiln body 1 and the two auxiliary kiln bodies 2 together form a complete kiln body; a space is arranged between the main kiln body 1 and each auxiliary kiln body 2, the space is used for penetrating through the scraping plate 4, and the length of the scraping plate 4 can be configured according to the requirement; the connecting frame 3 is preferably concave, and the connecting frame 3 is located inside the main kiln body 1 and the two auxiliary kiln bodies 2, it should be noted that the length of one end of the connecting frame 3 parallel to the axis of the main kiln body 1, that is, one end of the connecting frame 3 away from the inner wall of the main kiln body 1, is greater than the length of the scraping plate 4, so that the connecting frame 3 can pass over the scraping plate 4 when rotating; it should be specifically noted that, in this embodiment, the main kiln body 1 and the auxiliary kiln body 2 are both arranged obliquely, which is not shown in the figure for easy understanding, and the oblique arrangement of the main kiln body 1 and the auxiliary kiln body 2 is easier to rotate at a high speed, so that the materials in the kiln are heated more fully, and the oblique arrangement of the main kiln body 1 and the auxiliary kiln body 2 is the prior art, and will not be repeated here; when the main kiln body 1 is driven and rotates, the connecting frame 3 moves along with the main kiln body and drives the two auxiliary kiln bodies 2 to synchronously rotate, meanwhile, the scraping plate 4 scrapes off the ring formed on the inner walls of the main kiln body 1 and the two auxiliary kiln bodies 2, workers are not required to manually poke off the ring formed, the workload of the workers is reduced, meanwhile, the ring formed on the inner walls of the main kiln body 1 and the two auxiliary kiln bodies 2 can be processed without stopping the rotary kiln, and the working efficiency of the rotary kiln is improved.
In another embodiment provided by the application, the outer ring 21 is rotatably installed at the outer side of the connection part of the main kiln body 1 and the auxiliary kiln body 2, the inner ring 22 is rotatably installed at the inner side of the connection part of the main kiln body 1 and the auxiliary kiln body 2, the inner ring 22 is used for closing a gap between the main kiln body 1 and the auxiliary kiln body 2 and preventing materials from flowing out of the gap, the positions of the outer ring 21 and the inner ring 22 can be fixed relative to the positions of the connecting rods 23, the connecting rods 23 are fixed on the inner wall of the outer ring 21, and the connecting rods 23 penetrate through the inner ring 22 and are connected with the scraping plates 4.
In another embodiment provided by the application, the connecting frame 3 is concave, and the distance between one end of the connecting frame 3 parallel to the axis of the main kiln body 1 and the inner wall of the main kiln body 1 is greater than the distance between the scraping plate 4 and the inner wall of the main kiln body 1, so that the connecting frame 3 can smoothly pass over the scraping plate 4 when rotating, and the scraping plate 4 is prevented from being blocked by the connecting frame 3 when cleaning and looping.
In another embodiment provided by the application, one end of the scraping plate 4, which is close to the inner wall of the main kiln body 1, is connected with a scraping knife 42 through a high-temperature-resistant soft rubber 41, the scraping knife 42 is clung to the inner walls of the main kiln body 1 and the two auxiliary kiln bodies 2, the scraping knife 42 is protected through a high-temperature-resistant Wen Ruanjiao 41, and damage to the scraping knife 42 when the scraping knife is contacted with hard objects with larger adhesion degrees on the inner walls of the main kiln body 1 and the two auxiliary kiln bodies 2 is avoided.
In another embodiment provided by the application, the outer gear ring 11 is fixed in the middle of the outer side wall of the main kiln body 1, the driving gear 12 is meshed with the lower side of the outer gear ring 11, the driving gear 12 is fixedly connected with the output end of the driving piece 13, and when the main kiln body 1 is in operation, the driving gear 12 is driven to rotate through the driving piece 13, and the outer gear ring 11 is driven to rotate due to the fact that the driving gear 12 is meshed with the outer gear ring 11.
In another embodiment provided by the application, the device further comprises a bottom plate 5, the driving piece 13 is fixed on the bottom plate 5, a gear rod 24 is fixed on the outer wall of the outer ring 21, a telescopic blocking piece 25 is relatively installed on the bottom plate 5, the telescopic blocking piece 25 can be in contact with the gear rod 24 and prevent the movement of the gear rod 24 when in an extending state, the telescopic blocking piece 25 is in an extending or contracting state through manual or electric control mode, the telescopic blocking piece 25 and the gear rod 24 are in corresponding matching arrangement, when the inner wall rings of the main kiln body 1 and the two auxiliary kiln bodies 2 are required to be cleaned, the telescopic blocking piece 25 is in an extending state, and the telescopic blocking piece 24 is blocked when being rotated to be in contact with the telescopic blocking piece 25, so that the gear rod 24 is in a static state and the outer ring 21 and the scraping plate 4 are in a static state.
Further, two limiting blocks 51 are fixed on the bottom plate 5, two limiting rings 26 are fixed on the upper outer wall of the auxiliary kiln body 2, the limiting blocks 51 and the limiting rings 26 are correspondingly matched, the limiting rings 26 are abutted to the corresponding limiting blocks 51, the limiting rings 26 and the auxiliary kiln body 2 are in limiting support through the limiting blocks 51, grooves are formed in the limiting rings 26, protruding blocks are mounted on the limiting blocks 51, the protruding blocks are connected with the grooves in a sliding mode, and therefore the main kiln body 1 and the two auxiliary kiln bodies 2 can be stabilized when the main kiln body 1 and the two auxiliary kiln bodies 2 are in an inclined state.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in a variety of different ways without departing from the spirit and scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the claims.

Claims (6)

1. The novel middle-low grade manganese ore preheating roasting rotary kiln system comprises a main kiln body and two auxiliary kiln bodies, and is characterized in that the two auxiliary kiln bodies are fixedly arranged at two ends of the main kiln body through connecting frames, and the novel middle-low grade manganese ore preheating roasting rotary kiln system further comprises a scraping plate which is tightly attached to the joint of the main kiln body and the auxiliary kiln bodies.
2. The novel middle-low grade manganese ore preheating roasting rotary kiln system according to claim 1, wherein an outer ring is rotatably arranged on the outer side of the joint of the main kiln body and the auxiliary kiln body, an inner ring is rotatably arranged on the inner side of the joint of the main kiln body and the auxiliary kiln body, and a connecting rod is fixed on the inner wall of the outer ring and penetrates through the inner ring and is connected with a scraping plate.
3. The novel medium-low grade manganese ore preheating roasting rotary kiln system according to claim 1, wherein the connecting frame is concave, and the distance between one end of the connecting frame parallel to the axis of the main kiln body and the inner wall of the main kiln body is larger than the distance between the scraping plate and the inner wall of the main kiln body.
4. The novel medium-low grade manganese ore preheating roasting rotary kiln system according to claim 1, wherein one end of the scraping plate close to the inner wall of the main kiln body is connected with a scraping knife through high-temperature-resistant soft rubber.
5. The novel medium-low grade manganese ore preheating roasting rotary kiln system according to claim 2, wherein an outer gear is fixed in the middle of the outer wall of the main kiln body, a driving gear is meshed with the lower side of the outer gear, and the driving gear is fixedly connected with the output end of a driving piece.
6. The novel medium-low grade manganese ore preheating roasting rotary kiln system according to claim 5, further comprising a bottom plate, wherein the driving piece is fixed on the bottom plate, a gear rod is fixed on the outer wall of the outer ring, and a telescopic blocking piece is arranged on the bottom plate relatively, and is correspondingly matched with the gear rod.
CN202321740792.7U 2023-07-05 2023-07-05 Novel medium-low grade manganese ore preheating roasting rotary kiln system Active CN220366674U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321740792.7U CN220366674U (en) 2023-07-05 2023-07-05 Novel medium-low grade manganese ore preheating roasting rotary kiln system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321740792.7U CN220366674U (en) 2023-07-05 2023-07-05 Novel medium-low grade manganese ore preheating roasting rotary kiln system

Publications (1)

Publication Number Publication Date
CN220366674U true CN220366674U (en) 2024-01-19

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CN202321740792.7U Active CN220366674U (en) 2023-07-05 2023-07-05 Novel medium-low grade manganese ore preheating roasting rotary kiln system

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