CN213901880U - Lithium battery roasting rotary kiln - Google Patents

Abstract

The utility model discloses a lithium cell calcination rotary kiln, including base and kiln main part, kiln main part rotates and supports on the base, electrically conductive sliding ring has been cup jointed in kiln main part's the outside, kiln main part includes heat-conducting layer, zone of heating, thermal insulation layer and the inoxidizing coating of coaxial setting in proper order from the lining to outer, evenly install the heating element that a plurality of axial set up in the zone of heating, evenly be equipped with the fender material arch that a plurality of axial set up on the inner wall of heat-conducting layer, evenly be connected with a plurality of support columns on the outer wall of heat-conducting layer, the one end that the heat-conducting layer was kept away from to the support column passes behind zone of heating and the thermal insulation layer with inoxidizing coating fixed connection. The utility model discloses equipment structure is compact, has effectively reduced calorific loss, and heating efficiency is high, has guaranteed that the calcination is even, has improved the stability of material performance.

Description

Lithium battery roasting rotary kiln

Technical Field

The utility model relates to a thermotechnical equipment technical field, concretely relates to lithium cell calcination rotary kiln.

Background

The rotary kiln is an important thermal equipment for alumina factories, cement factories and other metallurgical and chemical industries. The method is widely applied to various production industries such as building materials, metallurgy, chemical industry, environmental protection and the like.

Energy crisis and energy safety are the serious examinations faced by countries in the world at present, and the development of clean energy is an important subject of the development in the world at present. The lithium ion battery has the advantages of high voltage, high specific energy, good cycle performance, small environmental pollution and the like, and thus, the lithium ion battery becomes an important direction for the development of new energy industries of various countries. The anode material is used as an important component of the lithium ion battery, so that the preparation process of the anode material has important significance for the development of the lithium ion battery. In the preparation process of the anode material, the sintering process is the most important link. In the prior art, a rotary furnace adopted by the anode material sintering process is generally heated by an external heating type with a complex structure, so that the heat loss is large and the heating efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a rotary kiln for lithium battery roasting, which is used to solve the problems mentioned in the background art.

For realizing above-mentioned purpose and other relevant purpose, the utility model provides a lithium cell calcination rotary kiln, including base and kiln main part, kiln main part rotates and supports on the base, electrically conductive sliding ring has been cup jointed in kiln main part's the outside, kiln main part includes from inside to outside heat-conducting layer, zone of heating, thermal insulation layer and the inoxidizing coating of coaxial setting in proper order, evenly install the heating element that a plurality of axial set up in the zone of heating, evenly be equipped with the fender material arch that a plurality of axial set up on the inner wall of heat-conducting layer, evenly be connected with a plurality of support columns on the outer wall of heat-conducting layer, the one end that the heat-conducting layer was kept away from to the support column passes behind zone of heating and the thermal insulation layer with inoxidizing coating fixed connection.

As a further preferred aspect of the present invention, the heat conducting layer is a ceramic heat conducting layer.

As a further preferred aspect of the present invention, the heating element is a resistance tape.

As a further preferred aspect of the present invention, the protective layer is a steel plate layer.

As a further preferred scheme of the utility model, the outside of kiln main part is fixed to have cup jointed and is rolled the circle, rotate on the corresponding position of circle with rolling on the base and install the riding wheel, roll the circle and rotate and support on the riding wheel.

As a further preferred scheme of the utility model, the fixed driven gear that has cup jointed in the outside of kiln main part, the upper end fixed mounting of base has driving motor, driving motor's output shaft passes through shaft coupling and driving gear connection, driving gear and driven gear meshing toothing.

As a further preferred scheme of the utility model, the feeding subassembly is installed to the feed end of kiln main part, the feeding subassembly is including the hopper, spiral feeding section of thick bamboo and the feeding storehouse that connect gradually, the tip sealing connection of feeding storehouse and kiln main part, the inner chamber intercommunication of feeding storehouse and kiln main part is passed to the one end of spiral feeding section of thick bamboo.

As the utility model discloses further preferred scheme, kiln main part's discharge end an organic whole is connected with a cooling section of thick bamboo, the one end that kiln main part was kept away from to a cooling section of thick bamboo is connected with ejection of compact subassembly, ejection of compact subassembly is including the ejection of compact storehouse and the spiral ejection of compact section of thick bamboo that connect gradually, ejection of compact storehouse and cooling section of thick bamboo sealing connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses equipment structure is compact, and production efficiency is high, and in locating the heating layer with heating element, and the outside of zone of heating sets up the thermal insulation layer, has effectively reduced calorific loss, and the heat directly transmits to the material of heat-conducting layer in to the inner chamber and heats, and kiln main part pivoted in-process keeps off the material arch and blocks the material, prevents that the material from sliding along the heat-conducting layer inner wall, has guaranteed that the calcination is even, has improved the stability of material performance.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the main body of the kiln of the present invention;

wherein the reference numerals are specified as follows: the device comprises a base 1, a kiln main body 2, a heat conduction layer 201, a heating layer 202, a heat insulation layer 203, a protective layer 204, a heating element 205, a material blocking bulge 206, a support column 207, an electric conduction slip ring 3, a rolling ring 4, a riding wheel 5, a driven gear 6, a hopper 701, a spiral feeding cylinder 702, a feeding bin 703, a cooling cylinder 8, a discharging bin 901 and a spiral discharging cylinder 902.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a lithium battery roasting rotary kiln, including base 1 and kiln main part 2, kiln main part 2 rotates and supports on base 1, electrically conductive sliding ring 3 has been cup jointed in the outside of kiln main part 2, kiln main part 2 includes from the lining to outer heat-conducting layer 201 of coaxial setting in proper order, zone of heating 202, insulating layer 203 and inoxidizing coating 204, evenly install the heating element 205 of a plurality of axial settings in the zone of heating 202, evenly be equipped with the protruding 206 of keeping off the material of a plurality of axial settings on the inner wall of heat-conducting layer 201, evenly be connected with a plurality of support columns 207 on the outer wall of heat-conducting layer 201, the one end that heat-conducting layer 201 was kept away from to support column 207 passes behind zone of heating 202 and the insulating layer 203 with inoxidizing coating 204 fixed connection.

Further, the heat conductive layer 201 is a ceramic heat conductive layer.

Further, the heating element 205 is a resistive strip.

Further, the protective layer 204 is a steel sheet layer.

Further, the outer side of the kiln main body 2 is fixedly sleeved with a rolling ring 4, a supporting wheel 5 is rotatably mounted on the base 1 at a position corresponding to the rolling ring 4, and the rolling ring 4 is rotatably supported on the supporting wheel 5.

Furthermore, the outer side of the kiln main body 2 is fixedly sleeved with a driven gear 6, the upper end of the base 1 is fixedly provided with a driving motor, an output shaft of the driving motor is connected with a driving gear through a coupler, and the driving gear is meshed with the driven gear 6 in a tooth joint mode.

Further, a feeding assembly is installed at the feeding end of the kiln main body 2, the feeding assembly comprises a hopper 701, a spiral feeding cylinder 702 and a feeding bin 703 which are connected in sequence, the feeding bin 703 is hermetically connected with the end of the kiln main body 2, and one end of the spiral feeding cylinder 702 penetrates through the feeding bin 703 and is communicated with the inner cavity of the kiln main body 2.

Further, the discharge end an organic whole of kiln main part 2 is connected with cooling section of thick bamboo 8, and the one end that kiln main part 2 was kept away from to cooling section of thick bamboo 8 is connected with ejection of compact subassembly, and ejection of compact subassembly is including ejection of compact storehouse 901 and the spiral ejection of compact section of thick bamboo 902 that connect gradually, ejection of compact storehouse 901 and cooling section of thick bamboo 8 sealing connection.

The working principle is as follows: during the use, the material is put in by hopper 701 and is got into spiral feed cylinder 702, in being carried to the inner chamber of kiln main part 2 afterwards, driving motor drives kiln main part 2 through driven gear 6 and rotates, heating element 205 produces the heat after the circular telegram, thermal insulation layer 203 has effectively reduced calorific loss, the direct heat transfer heats to the material of heat-conducting layer 201 in to the inner chamber, the material keeps off the material and incessantly stirs under protruding 206 stirs of material, guarantee the calcination evenly, the material after the sintering gets into and cools off in cooling section of thick bamboo 8, carry out by spiral play feed cylinder 902 at last.

To sum up, the utility model discloses equipment structure is compact, has effectively reduced calorific loss, and heating efficiency is high, has guaranteed that the calcination is even, has improved the stability of material performance. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A rotary kiln for roasting lithium batteries is characterized by comprising a base (1) and a kiln main body (2), the kiln main body (2) is rotatably supported on the base (1), the outer side of the kiln main body (2) is sleeved with the conductive slip ring (3), the kiln main body (2) comprises a heat conduction layer (201), a heating layer (202), a heat insulation layer (203) and a protective layer (204) which are coaxially arranged from inside to outside in sequence, a plurality of axially arranged heating elements (205) are uniformly arranged in the heating layer (202), a plurality of material blocking bulges (206) which are axially arranged are uniformly arranged on the inner wall of the heat conducting layer (201), a plurality of supporting columns (207) are uniformly connected to the outer wall of the heat conducting layer (201), one end of the supporting column (207), which is far away from the heat conduction layer (201), penetrates through the heating layer (202) and the heat insulation layer (203) and then is fixedly connected with the protective layer (204).

2. The rotary kiln for lithium battery roasting of claim 1, wherein: the heat conduction layer (201) is a ceramic heat conduction layer.

3. The rotary kiln for lithium battery roasting of claim 1, wherein: the heating element (205) is a resistive strip.

4. The rotary kiln for lithium battery roasting of claim 1, wherein: the protective layer (204) is a steel plate layer.

5. The rotary kiln for lithium battery roasting of claim 1, wherein: the outer side of the kiln body (2) is fixedly sleeved with a rolling ring (4), a supporting roller (5) is rotatably installed on the base (1) in a position corresponding to the rolling ring (4), and the rolling ring (4) is rotatably supported on the supporting roller (5).

6. The rotary kiln for lithium battery roasting of claim 1, wherein: the fixed cover in the outside of kiln main part (2) has been connect driven gear (6), the upper end fixed mounting of base (1) has driving motor, driving motor's output shaft passes through the shaft coupling and is connected with the driving gear, the driving gear meshes the toothing with driven gear (6).

7. The rotary kiln for lithium battery roasting of claim 1, wherein: the feeding assembly is installed at the feeding end of the kiln main body (2), the feeding assembly comprises a hopper (701), a spiral feeding cylinder (702) and a feeding bin (703) which are connected in sequence, the feeding bin (703) is connected with the end part of the kiln main body (2) in a sealing mode, and one end of the spiral feeding cylinder (702) penetrates through the feeding bin (703) and is communicated with the inner cavity of the kiln main body (2).

8. The rotary kiln for lithium battery roasting of claim 1, wherein: the kiln comprises a kiln body (2) and is characterized in that a cooling cylinder (8) is integrally connected to the discharge end of the kiln body (2), one end, far away from the kiln body (2), of the cooling cylinder (8) is connected with a discharge assembly, the discharge assembly comprises a discharge bin (901) and a spiral discharge bin (902) which are sequentially connected, and the discharge bin (901) is in sealing connection with the cooling cylinder (8).

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