CN113237325A - Rotary kiln for metallurgy - Google Patents
Rotary kiln for metallurgy Download PDFInfo
- Publication number
- CN113237325A CN113237325A CN202110474094.6A CN202110474094A CN113237325A CN 113237325 A CN113237325 A CN 113237325A CN 202110474094 A CN202110474094 A CN 202110474094A CN 113237325 A CN113237325 A CN 113237325A
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- CN
- China
- Prior art keywords
- kiln
- kiln body
- rotary kiln
- metallurgy
- rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F27B7/34—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
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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
- F27B2007/3282—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
- F27D2003/0083—Means for stirring the charge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a rotary kiln for metallurgy, which relates to the technical field of rotary kilns and comprises the following components: the kiln comprises a kiln body, a kiln head, a charging hopper, an injection pipe, a plurality of blades, an inclined plate, two groups of supporting parts and a driving part, wherein the kiln body is provided with a feeding hole at one end and a discharging hole at the other end, and the inner diameter of the feeding hole of the kiln body is smaller than that of the discharging hole; the kiln head is arranged at one end of the discharge hole; the charging hopper is arranged at one end of the feeding hole; the spraying light is rotationally connected to one side of the kiln body discharge port; the blades are uniformly distributed on the inner wall of the kiln body; the inclined plate is positioned in the kiln body and is fixedly arranged on the injection pipe; the supporting part is used for supporting the kiln body; the driving part is in transmission connection with the kiln body and is used for driving the kiln body to rotate. The invention prolongs the heating time of the raw materials, enables the raw materials to be heated more fully and improves the heating effect of the rotary kiln.
Description
Technical Field
The invention relates to the technical field of rotary kilns, in particular to a rotary kiln for metallurgy.
Background
The rotary kiln is a thermal equipment for heating and treating bulk or slurry materials, and is widely applied to industrial departments of nonferrous metallurgy, ferrous metallurgy, refractory materials, cement, chemical industry and the like. The cylinder is internally provided with a refractory brick lining and a heat exchange device which rotate at a low speed. The material and hot flue gas are generally subjected to countercurrent heat exchange, and the material is added from the high end of the kiln (also called the cold end or the tail end of the kiln). Because the cylinder is installed obliquely, when the kiln rotates, the materials in the kiln roll along the circumferential direction and move along the axial direction. The burner injects fuel at the low end (also called hot end or kiln head end), and the flue gas is discharged from the high end. The material is heated in the moving process and becomes qualified material through physical and chemical changes, and the qualified material is discharged from the low end.
The heating effect of the prior rotary kiln also has an improved space.
Disclosure of Invention
In view of the above, the present invention provides a rotary kiln for metallurgy, which is used for improving the heating effect of the rotary kiln.
Based on the above purpose, the present invention provides a rotary kiln for metallurgy, comprising:
a kiln body, a kiln head, a charging hopper, an injection pipe, a plurality of blades, an inclined plate, two groups of supporting parts and a driving part, wherein,
the kiln body is provided with a feed inlet at one end and a discharge outlet at the other end, and the inner diameter of the feed inlet of the kiln body is smaller than that of the discharge outlet;
the kiln head is arranged at one end of the discharge hole;
the charging hopper is arranged at one end of the feeding hole;
the spraying light is rotationally connected to one side of the kiln body discharge port;
the blades are uniformly distributed on the inner wall of the kiln body;
the inclined plate is positioned in the kiln body and is fixedly arranged on the injection pipe;
the supporting part is used for supporting the kiln body;
the driving part is in transmission connection with the kiln body and is used for driving the kiln body to rotate.
Optionally, the support portion includes two brackets, a roller is rotatably connected to the brackets, and the roller is used for supporting the kiln body.
Optionally, the driving part comprises a motor, the motor is connected with a speed reducer in a transmission manner, the speed reducer is connected with a driving gear in a transmission manner, the driving gear is engaged with a driven gear, and the driven gear is sleeved on the outer surface of the kiln body.
Optionally, the rotary kiln comprises a circulating part for returning hot gas at the feed inlet to the discharge outlet.
Optionally, circulation portion is including setting up the pipeline in the kiln body wall, the pipeline intercommunication the inside both ends of kiln body, exhaust fan and rose box have concatenated on the pipeline, the rose box sets up one side of exhaust fan air intake.
Optionally, the rotary kiln is provided with a maintenance part, and the maintenance part is used for conveniently maintaining the rotary kiln.
Optionally, the maintenance part comprises a pedal arranged below the rotary kiln, guardrails are arranged around the pedal, and the height of each guardrail is higher than that of the kiln body.
Optionally, one side of the guardrail is provided with an arc-shaped crawling ladder, and the top of the arc-shaped crawling ladder is provided with a top frame.
The during operation, the kiln is added from the loading hopper to the raw materials internal, the drive division drives the kiln body and rotates, the injection pipe sprays fuel flame simultaneously and heats, because the internal diameter of kiln body feed inlet is less than the internal diameter of discharge gate, the raw materials can be followed the feed inlet and removed toward the discharge gate, at this in-process, the blade stirs the raw materials, the blade drives the continuous hang plate that falls of raw materials simultaneously, then on the inner wall of the kiln body of landing again from the hang plate, the heat time of raw materials has so been prolonged, make more abundant of raw materials heating, the heating effect of rotary kiln has been promoted.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a schematic view of a rotary kiln according to an embodiment of the present invention;
figure 2 is a side view of the kiln body of figure 1.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The embodiment of the invention provides a rotary kiln for metallurgy. As shown in fig. 1 to 2, a rotary kiln for metallurgy includes: a kiln body 1, a kiln head 11, a charging hopper 12, an injection pipe 13, a plurality of blades 14, an inclined plate 15, two groups of supporting parts and a driving part, wherein,
the kiln body 1 is provided with a feed port 16 at one end and a discharge port 17 at the other end, and the inner diameter of the feed port 16 of the kiln body 1 is smaller than that of the discharge port 17;
the kiln head 11 is arranged at one end of the discharge hole 17;
the loading hopper 12 is arranged at one end of the feeding hole 16;
the spraying light is rotationally connected to one side of a discharge port 17 of the kiln body 1;
the blades 14 are uniformly distributed on the inner wall of the kiln body 1;
the inclined plate 15 is positioned in the kiln body 1 and is fixedly arranged on the injection pipe 13;
the supporting part is used for supporting the kiln body 1;
the driving part is in transmission connection with the kiln body 1 and is used for driving the kiln body 1 to rotate.
The during operation, the raw materials is added kiln body 1 from loading hopper 12 in, drive division drives kiln body 1 and rotates, injection pipe 13 sprays fuel flame and heats simultaneously, because the internal diameter of kiln body 1 feed inlet 16 is less than the internal diameter of discharge gate 17, the raw materials can be followed feed inlet 16 and removed toward discharge gate 17, in-process, blade 14 stirs the raw materials, blade 14 drives the continuous hang plate 15 that falls of raw materials simultaneously, then on landing to kiln body 1's inner wall again from hang plate 15, the heat time of raw materials has so been prolonged, make the raw materials heating more abundant, the heating effect of rotary kiln has been promoted.
In some embodiments, the supporting portion comprises two brackets 21, and a roller 22 is rotatably connected to the brackets 21, and the roller 22 is used for supporting the kiln body 1.
In some embodiments, the driving part includes a motor 31, the motor 31 is in transmission connection with a speed reducer 32, the speed reducer 32 is in transmission connection with a driving gear 33, the driving gear 33 is engaged with a driven gear 34, and the driven gear 34 is sleeved on the outer surface of the kiln body 1. When the kiln body 1 rotates, the motor 31 drives the speed reducer 32 to work, the speed reducer 32 drives the driving gear 33 to rotate, the driving gear 33 drives the driven gear 34 to rotate, and the driven gear 34 drives the kiln body 1 to rotate.
In some embodiments, the rotary kiln includes a recirculation portion for recirculating hot gases at the feed port 16 to the discharge port 17.
Optionally, the circulating part includes a pipeline 41 arranged in the wall of the kiln body 1, the pipeline 41 is communicated with two ends inside the kiln body 1, an exhaust fan 42 and a filter box 43 are connected in series on the pipeline 41, and the filter box 43 is arranged on one side of an air inlet of the exhaust fan 42.
During operation, the exhaust fan 42 draws back the hot air at the feeding port 16, and the hot air flows to one side of the discharging port 17 after being filtered by the filter box 43, so that the hot air flow can be drawn back for reuse, the heating effect is improved, and meanwhile, the energy waste can be reduced.
In some embodiments, the rotary kiln is provided with a maintenance portion for facilitating maintenance of the rotary kiln.
Optionally, the maintenance part comprises a pedal 51 arranged below the rotary kiln, a guardrail 52 is arranged around the pedal 51, and the height of the guardrail 52 is higher than that of the kiln body 1.
The arrangement of the pedal 51 can facilitate people to stand on the pedal 51 to maintain and repair the rotary kiln, and the guardrail 52 is higher than the kiln body 1, so that the protection of the people is improved, and the people are prevented from falling off the pedal 51.
In some embodiments, an arc ladder 6 is arranged on one side of the guardrail 52, and a top frame 7 is arranged on the top of the arc ladder 6. The arc-shaped crawling ladder 6 is convenient for people to maintain the side face of the rotary kiln. The design of the top frame 7 is convenient for people to stand at the top of the rotary kiln to maintain and repair the rotary kiln.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (8)
1. A rotary kiln for metallurgy, characterized by comprising: a kiln body, a kiln head, a charging hopper, an injection pipe, a plurality of blades, an inclined plate, two groups of supporting parts and a driving part, wherein,
the kiln body is provided with a feed inlet at one end and a discharge outlet at the other end, and the inner diameter of the feed inlet of the kiln body is smaller than that of the discharge outlet;
the kiln head is arranged at one end of the discharge hole;
the charging hopper is arranged at one end of the feeding hole;
the spraying light is rotationally connected to one side of the kiln body discharge port;
the blades are uniformly distributed on the inner wall of the kiln body;
the inclined plate is positioned in the kiln body and is fixedly arranged on the injection pipe;
the supporting part is used for supporting the kiln body;
the driving part is in transmission connection with the kiln body and is used for driving the kiln body to rotate.
2. The rotary kiln for metallurgy as claimed in claim 1, wherein the support part comprises two brackets, and rollers are rotatably connected to the brackets and used for supporting the kiln body.
3. The rotary kiln for metallurgy as claimed in claim 1, wherein the driving part comprises a motor, the motor is in transmission connection with a speed reducer, the speed reducer is in transmission connection with a driving gear, the driving gear is engaged with a driven gear, and the driven gear is sleeved on the outer surface of the kiln body.
4. A metallurgical rotary kiln according to claim 1, characterized in that the rotary kiln comprises a circulation portion for returning hot gas at the inlet to the outlet.
5. The rotary kiln for metallurgy as claimed in claim 4, wherein the circulating part comprises a pipeline arranged in the wall of the kiln body, the pipeline is communicated with two ends inside the kiln body, an exhaust fan and a filter box are connected in series on the pipeline, and the filter box is arranged on one side of an air inlet of the exhaust fan.
6. The rotary kiln for metallurgy as claimed in claim 1, wherein the rotary kiln is provided with a maintenance part for facilitating maintenance of the rotary kiln.
7. The rotary kiln for metallurgy as claimed in claim 6, wherein the maintenance part comprises a pedal arranged below the rotary kiln, a guardrail is arranged around the pedal, and the height of the guardrail is higher than that of the kiln body.
8. The rotary kiln for metallurgy as claimed in claim 7, wherein an arc ladder is arranged on one side of the guardrail, and a top frame is arranged on the top of the arc ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474094.6A CN113237325A (en) | 2021-04-29 | 2021-04-29 | Rotary kiln for metallurgy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110474094.6A CN113237325A (en) | 2021-04-29 | 2021-04-29 | Rotary kiln for metallurgy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113237325A true CN113237325A (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110474094.6A Pending CN113237325A (en) | 2021-04-29 | 2021-04-29 | Rotary kiln for metallurgy |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648092A (en) * | 2004-12-09 | 2005-08-03 | 黄官禹 | Lime calcining rotary furnace |
| CN201285042Y (en) * | 2008-10-27 | 2009-08-05 | 郑州豫兴耐火材料有限公司 | Airflow annular alternating flow-equalizing injection premixed flame-stabilizing combustor |
| CN205957183U (en) * | 2016-08-17 | 2017-02-15 | 光大环保技术研究院（深圳）有限公司 | Rotary kiln |
| CN209230267U (en) * | 2018-12-20 | 2019-08-09 | 济南鲍德炉料有限公司 | High-efficiency rotary kiln is used in a kind of production of metallurgy lime |
| CN209991756U (en) * | 2019-06-11 | 2020-01-24 | 王智弘 | Rotary kiln and catalytic roasting treatment equipment |
| CN212050571U (en) * | 2020-03-30 | 2020-12-01 | 河南亿水源净水材料科技有限公司 | Calcining equipment for improving dissolution rate of calcium aluminate powder |
| CN212205595U (en) * | 2020-05-28 | 2020-12-22 | 山东山科生态环境研究院有限公司 | Ceramsite sintering rotary kiln |
| CN112113419A (en) * | 2020-09-18 | 2020-12-22 | 江苏惠然实业有限公司 | Rotary kiln roasting structure and roasting process thereof |
-
2021
- 2021-04-29 CN CN202110474094.6A patent/CN113237325A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648092A (en) * | 2004-12-09 | 2005-08-03 | 黄官禹 | Lime calcining rotary furnace |
| CN201285042Y (en) * | 2008-10-27 | 2009-08-05 | 郑州豫兴耐火材料有限公司 | Airflow annular alternating flow-equalizing injection premixed flame-stabilizing combustor |
| CN205957183U (en) * | 2016-08-17 | 2017-02-15 | 光大环保技术研究院（深圳）有限公司 | Rotary kiln |
| CN209230267U (en) * | 2018-12-20 | 2019-08-09 | 济南鲍德炉料有限公司 | High-efficiency rotary kiln is used in a kind of production of metallurgy lime |
| CN209991756U (en) * | 2019-06-11 | 2020-01-24 | 王智弘 | Rotary kiln and catalytic roasting treatment equipment |
| CN212050571U (en) * | 2020-03-30 | 2020-12-01 | 河南亿水源净水材料科技有限公司 | Calcining equipment for improving dissolution rate of calcium aluminate powder |
| CN212205595U (en) * | 2020-05-28 | 2020-12-22 | 山东山科生态环境研究院有限公司 | Ceramsite sintering rotary kiln |
| CN112113419A (en) * | 2020-09-18 | 2020-12-22 | 江苏惠然实业有限公司 | Rotary kiln roasting structure and roasting process thereof |
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