High-temperature calcining furnace for waste metal processing

By setting up a crushing and mixing mechanism in a high-temperature calcining furnace for scrap metal processing, the problem of low calcining efficiency of scrap metals is solved, and the calcining time is shortened and the efficiency is improved.

CN222470187UActive Publication Date: 2025-02-14QINGDAO YUANHONG TIMES IND DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202421092888.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-02-14
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

Due to the different shapes and sizes of waste metals in high-temperature calcining furnaces, the heat contact surface is small and the calcination time is long, which affects the calcination efficiency.

Method used

A high-temperature calciner for scrap metal processing was designed, equipped with a crushing mechanism and a stirring mechanism. The crushing mechanism is driven by gears and motors to crush the scrap metal to increase the contact area with heat; the stirring mechanism is driven by motors and gears to stir the scrap metal to make it evenly heated.

Benefits of technology

Through crushing and stirring, the contact area between waste metal and heat is significantly increased, the calcination time is shortened, and the calcination efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high-temperature calcining furnace for waste metal processing, and belongs to the technical field of waste metal processing. The high-temperature calcining furnace for waste metal processing comprises a furnace body, a feeding channel and a crushing mechanism, the crushing mechanism comprises a first motor, a driving shaft, a driven shaft, a gear, a crushing roller and crushing teeth, and the first motor is fixedly connected to the top of the furnace body; the driving shaft is fixedly connected to the output end of the first motor; the gears are fixedly connected to the outer wall of the driven shaft and the outer wall of the driving shaft correspondingly, and the two gears are connected in a meshed mode. The crushing rollers are fixedly connected with the driven shaft and the driving shaft respectively; the crushing teeth are fixedly connected to the outer walls of the crushing rollers, the first motor is started, the output end of the first motor drives the driving shaft to rotate, under transmission of the gear, the driven shaft rotates reversely, then the two crushing rollers drive the two groups of crushing teeth to rotate reversely, waste metal is crushed, and the calcining efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of scrap metal processing, in particular to a high-temperature calcining furnace for scrap metal processing. Background Art

[0002] Scrap metal refers to metal fragments and debris discarded by the metallurgical industry and metal processing industry, as well as metal objects scrapped during equipment updates, etc. It also includes metal packaging containers and scrapped vehicles recovered from urban garbage. Scrap metal is also a resource. Countries around the world have specialized units engaged in the recycling and utilization of scrap metal businesses. The recycled scrap metal is mainly used for smelting and converted into recycled metal. Some of it is used to produce machinery and equipment or parts, tools and civilian appliances. It is usually necessary to place the scrap metal back into the calcining furnace for high-temperature calcination to melt the metal into molten metal.

[0003] When scrap metal enters the calcining furnace, its shapes and sizes are different. The larger scrap metal has less contact with heat and takes longer to calcine, which affects the calcination efficiency. Therefore, we proposed a high-temperature calcining furnace for scrap metal processing to solve the above problems. Utility Model Content

[0004] In order to make up for the above deficiencies, the present invention provides a high-temperature calcining furnace for processing scrap metals, which overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model provides a high-temperature calcining furnace for processing scrap metals, comprising

[0006] A furnace body is provided with a feed channel, and a crushing mechanism is provided between the furnace body and the feed channel. The crushing mechanism includes

[0007] a first motor, wherein the first motor is fixedly connected to the top of the furnace body;

[0008] A driving shaft, the driving shaft being fixedly connected to an output end of the first motor;

[0009] A driven shaft, the driven shaft being rotatably connected to the feed channel;

[0010] Gears, the gears are fixedly connected to the outer wall of the driven shaft and the outer wall of the driving shaft respectively, and the two gears are meshed and connected;

[0011] Crushing rollers, each of which is fixedly connected to the driven shaft and the driving shaft;

[0012] Crushing teeth, wherein the crushing teeth are fixedly connected to the outer wall of the crushing roller.

[0013] In a preferred solution, the two groups of crushing teeth are staggered, each group of crushing teeth is provided with a plurality of crushing teeth, and the plurality of crushing teeth are equidistantly arranged.

[0014] In a preferred solution, a stirring mechanism is provided on the furnace body, and the stirring mechanism includes a second motor, and the second motor is fixedly connected to the top of the furnace body.

[0015] In a preferred solution, the output end of the second motor is fixedly connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a cross bar, and the outer side of the cross bar is fixedly connected to a vertical bar.

[0016] In a preferred solution, the vertical rod is connected to a scraper, and the scraper is slidably connected to the inner wall of the furnace body.

[0017] In a preferred solution, a connecting rod is fixedly connected to one side of the scraper close to the vertical rod, the connecting rod is slidably connected to the vertical rod, and a spring is fixedly connected between the connecting rod and the inner wall of the vertical rod.

[0018] In a preferred solution, a heating plate is embedded in the furnace body, and two heating plates are provided, and the two heating plates are symmetrically arranged on the left and right.

[0019] In a preferred solution, a cover plate is provided on the feed channel, and the exhaust port of the furnace body is fixedly connected to an exhaust pipe.

[0020] In a preferred solution, the discharge port of the furnace body is fixedly connected to a discharge pipe, and a valve is installed on the discharge pipe.

[0021] The utility model provides a high-temperature calcining furnace for processing scrap metals, and its beneficial effects include:

[0022] 1. By starting the first motor, the output end of the first motor drives the driving shaft to rotate. Under the transmission of the gear, the driven shaft rotates in the opposite direction, thereby driving the two crushing rollers to rotate in the opposite direction. The two crushing rollers drive the two sets of crushing teeth to rotate in the opposite direction, crushing the scrap metal, increasing the contact area with heat, and improving the calcination efficiency.

[0023] 2. By starting the second motor, the output end of the second motor drives the rotating shaft to rotate, the rotating shaft drives the horizontal rod to rotate, and the horizontal rod drives the vertical rod to rotate, thereby stirring the scrap metal being calcined, so that the scrap metal is heated evenly, further improving the calcination efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and should not be considered as limiting the scope. A person of ordinary skill in the art can also derive other relevant drawings based on these drawings without inventive effort.

[0025] Figure 1 This is a three-dimensional diagram of the overall structure provided by the embodiment of the utility model;

[0026] Figure 2 A schematic diagram of the structure of a crushing mechanism provided in an embodiment of the present utility model;

[0027] Figure 3 A schematic diagram of the cross-sectional structure of a furnace provided in an embodiment of the present utility model;

[0028] Figure 4 A schematic diagram of the cross-section structure of the crossbar provided in an embodiment of the present utility model;

[0029] In the figure: 1. Furnace body; 2. Crushing mechanism; 201. First motor; 202. Driving shaft; 203. Driven shaft; 204. Gear; 205. Crushing roller; 206. Crushing teeth; 3. Stirring mechanism; 301. Second motor; 302. Rotating shaft; 303. Cross bar; 304. Vertical bar; 4. Feed channel; 5. Scraper; 6. Connecting rod; 7. Spring; 8. Heating plate; 9. Cover plate; 10. Exhaust pipe; 11. Discharge pipe; 12. Valve. DETAILED DESCRIPTION

[0030] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Reference Figure 1-Figure 4The utility model provides a technical solution: a high-temperature calcining furnace for processing scrap metal, comprising a furnace body 1, a feeding channel 4 is provided on the furnace body 1, a crushing mechanism 2 is provided between the furnace body 1 and the feeding channel 4, the crushing mechanism 2 comprises a first motor 201, a driving shaft 202, a driven shaft 203, a gear 204, a crushing roller 205 and a crushing tooth 206, the first motor 201 is fixedly connected to the top of the furnace body 1; the driving shaft 202 is fixedly connected to the output end of the first motor 201; the driven shaft 203 is rotatably connected to the feeding channel 4; the gears 204 are respectively fixedly connected to the outer wall of the driven shaft 203 and the outer wall of the driving shaft 202, and the two gears 204 are meshed and connected The crushing rollers 205 are fixedly connected to the driven shaft 203 and the driving shaft 202 respectively; the crushing teeth 206 are fixedly connected to the outer wall of the crushing roller 205, and the two groups of crushing teeth 206 are staggered. Each group of crushing teeth 206 is provided with a plurality of crushing teeth 206, and the plurality of crushing teeth 206 are equidistantly arranged. By starting the first motor 201, the output end of the first motor 201 drives the driving shaft 202 to rotate. Under the transmission of the gear 204, the driven shaft 203 rotates in the opposite direction, thereby driving the two crushing rollers 205 to rotate in the opposite direction. The two crushing rollers 205 drive the two groups of crushing teeth 206 to rotate in the opposite direction, crushing the scrap metal, increasing the contact area with heat, and improving the efficiency of calcination.

[0032] In a preferred embodiment, the furnace body 1 is provided with a stirring mechanism 3, which includes a second motor 301, the second motor 301 is fixedly connected to the top of the furnace body 1, the output end of the second motor 301 is fixedly connected to the rotating shaft 302, the outer wall of the rotating shaft 302 is fixedly connected to the cross bar 303, and the outer side of the cross bar 303 is fixedly connected to the vertical rod 304. By starting the second motor 301, the output end of the second motor 301 drives the rotating shaft 302 to rotate, the rotating shaft 302 drives the cross bar 303 to rotate, and the cross bar 303 drives the vertical rod 304 to rotate, thereby stirring the scrap metal being calcined, so that the scrap metal is heated evenly, thereby further improving the efficiency of calcination;

[0033] In a preferred embodiment, the vertical rod 304 is connected to a scraper 5, which is slidably connected to the inner wall of the furnace body 1. During stirring, the vertical rod 304 drives the scraper 5 to rotate, and the scraper 5 scrapes off the ash attached to the inner wall of the furnace body 1 to prevent the ash from remaining in the furnace body 1.

[0034] In a preferred embodiment, a connecting rod 6 is fixedly connected to one side of the scraper 5 close to the vertical rod 304, and the connecting rod 6 is slidably connected to the vertical rod 304. A spring 7 is fixedly connected between the connecting rod 6 and the inner wall of the vertical rod 304. By arranging the connecting rod 6 and the spring 7, if the scraper 5 is worn, the spring 7 will gradually reset, causing the connecting rod 6 to slide outward, thereby driving the scraper 5 to move outward, so that the scraper 5 is always in contact with the inner wall of the furnace body 1, preventing the scraper 5 from having a gap with the inner wall of the furnace body 1, and ensuring the scraping ability of the scraper 5;

[0035] In a preferred embodiment, a heating plate 8 is embedded in the furnace body 1, and two heating plates 8 are provided. The two heating plates 8 are symmetrically arranged on the left and right. A cover plate 9 is provided on the feed channel 4, and an exhaust pipe 10 is fixedly connected to the exhaust port of the furnace body 1. The heating plate 8 is used to provide heat for calcination. By providing the cover plate 9, after the loading is completed, the cover plate 9 is covered to prevent heat from being lost from the feed channel 4. The exhaust pipe 10 is used to discharge smoke and exhaust gas generated during the calcination process. The exhaust pipe 10 is connected to the exhaust gas treatment equipment to meet environmental protection requirements and reduce pollution to the environment. The first motor 201, the second motor 301 and the heating plate 8 are all electrically connected to the external power supply;

[0036] In a preferred embodiment, the discharge port of the furnace body 1 is fixedly connected to a discharge pipe 11 , on which a valve 12 is installed. After calcination is completed, the valve 12 is opened and the melt flows into the collection container through the discharge pipe 11 .

[0037] Specifically, the working process or working principle of the high-temperature calcining furnace for processing scrap metal is as follows: the staff starts the first motor 201 and pours the scrap metal into the furnace body 1 from the feed channel 4. The output end of the first motor 201 drives the driving shaft 202 to rotate. Under the transmission of the gear 204, the driven shaft 203 rotates in the opposite direction, thereby driving the two crushing rollers 205 to rotate in the opposite direction. The two crushing rollers 205 drive the two sets of crushing teeth 206 to rotate in the opposite direction to crush the scrap metal and increase the contact area with heat.

[0038] Next, the cover plate 9 is closed, and the heating plate 8 and the second motor 301 are started. The output end of the second motor 301 drives the rotating shaft 302 to rotate, the rotating shaft 302 drives the horizontal rod 303 to rotate, and the horizontal rod 303 drives the vertical rod 304 to rotate, so as to stir the scrap metal being calcined so that the scrap metal is heated evenly. During stirring, the vertical rod 304 drives the scraper 5 to rotate, and the scraper 5 scrapes off the ash attached to the inner wall of the furnace body 1 to prevent the ash from remaining in the furnace body 1. After calcination is completed, the valve 12 is opened, and the molten liquid enters the collection container through the discharge pipe 11.

Claims

1. A high temperature calcining furnace for processing scrap metals, characterized in that: The invention comprises a furnace body (1), wherein a feed channel (4) is arranged on the furnace body (1), a crushing mechanism (2) is arranged between the furnace body (1) and the feed channel (4), and the crushing mechanism (2) comprises A first motor (201), the first motor (201) being fixedly connected to the top of the furnace body (1); A driving shaft (202), wherein the driving shaft (202) is fixedly connected to an output end of the first motor (201); A driven shaft (203), the driven shaft (203) being rotationally connected to the feed channel (4); Gears (204), the gears (204) being fixedly connected to the outer wall of the driven shaft (203) and the outer wall of the driving shaft (202), respectively, and the two gears (204) being meshed and connected; A crushing roller (205), wherein the crushing roller (205) is fixedly connected to the driven shaft (203) and the driving shaft (202) respectively; Crushing teeth (206), wherein the crushing teeth (206) are fixedly connected to the outer wall of the crushing roller (205); The two groups of crushing teeth (206) are arranged in a staggered manner, each group of crushing teeth (206) is provided with a plurality of crushing teeth (206), and the plurality of crushing teeth (206) are arranged at equal intervals; The furnace body (1) is provided with a stirring mechanism (3), the stirring mechanism (3) comprising a second motor (301), and the second motor (301) is fixedly connected to the top of the furnace body (1); The output end of the second motor (301) is fixedly connected to a rotating shaft (302), the outer wall of the rotating shaft (302) is fixedly connected to a cross bar (303), and the outer side of the cross bar (303) is fixedly connected to a vertical bar (304); The vertical rod (304) is connected to a scraper (5), and the scraper (5) is slidably connected to the inner wall of the furnace body (1); A connecting rod (6) is fixedly connected to one side of the scraper (5) close to the vertical rod (304); the connecting rod (6) is slidably connected to the vertical rod (304); and a spring (7) is fixedly connected between the connecting rod (6) and the inner wall of the vertical rod (304).

2. A high temperature calcining furnace for scrap metal processing according to claim 1, characterized in that: A heating plate (8) is embedded in the furnace body (1), and two heating plates (8) are provided, and the two heating plates (8) are symmetrically arranged on the left and right.

3. A high temperature calcining furnace for processing scrap metals according to claim 2, characterized in that: The feed channel (4) is provided with a cover plate (9), and the exhaust port of the furnace body (1) is fixedly connected with an exhaust pipe (10).

4. A high-temperature calcining furnace for processing scrap metals according to claim 3, characterized in that: The discharge port of the furnace body (1) is fixedly connected to a discharge pipe (11), and a valve (12) is installed on the discharge pipe (11).