Powder calcining kiln

Abstract

The utility model discloses a powder calcining kiln, relates to the technical field of calcining kilns, and aims to solve the problems that in the prior art, kiln body castable of a traditional calcining kiln is taupe, the castable falls into calcined powder materials after being peeled off, the whiteness of the powder can be influenced, and the practicability is poor. A calcining kiln body is arranged on the upper portion of the interior of the calcining box, the calcining kiln body comprises a barrel and a castable layer, the castable layer is arranged on the inner side of the barrel and made of corundum mullite castable materials, a plurality of rake nails are arranged in the castable layer and fixedly connected with the barrel, and the multiple rake nails are arranged in the barrel. A heating box is fixedly installed below the outer side of the calcining kiln body, an electric heating pipe is fixedly installed in the heating box, an outer gear is fixedly installed in the middle of the outer side of the calcining kiln body, and a transmission gear is installed below the outer gear in an engaged mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to calcining kiln technical field, concretely is a kind of powder calcining kiln. BACKGROUND

[0002] Calcining kiln is a kind of special heat treatment system, calcining kiln can effectively promote the internal structure of material to change, improve the physical and chemical properties of material, provide good heat treatment effect, calcining kiln is widely used in manufacturing cement, lime, zinc oxide, gypsum, kaolin, titanium dioxide, alumina, iron ore particles and so on, in addition, it is also suitable for the calcination of lithium iron phosphate, lithium cobaltate, lithium manganate, transition metal oxide and other positive and negative electrode materials;

[0003] For example, the patent (a high-temperature calcining kiln for powder material processing) with the announcement number CN212658062U includes high-temperature calcining kiln body, the right side of the front of the high-temperature calcining kiln body is movably installed with a sealing door, the top of the left side of the sealing door is provided with a heat insulation guard plate, the front and rear sides of the top of the sealing door are fixedly connected with connecting blocks, the top of the connecting block is fixedly connected with a turnover assembly, and the front of the high-temperature calcining kiln body is provided with a kiln calcining port.

[0004] Although the above-mentioned prior art improves the safety of opening by setting the high-temperature calcining kiln body, the sealing door, the heat insulation guard plate, the connecting block, the turnover assembly, the kiln calcining port and the handle, the kiln body castable of the traditional calcining kiln is gray, and the castable is prone to peeling off during the working process of the calcining kiln. After the castable peels off, it falls into the calcined powder material, which affects the whiteness of the powder for products that require calcined powder whiteness, and has poor practicability. Therefore, there is an urgent need in the market to develop a powder calcining kiln to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of powder calcining kiln to solve the problems that the kiln body castable of the traditional calcining kiln is gray, and the castable peels off and falls into the calcined powder material, which affects the whiteness of the powder.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of powder calcining kiln, including calcining box, the upper portion of the inside of the calcining box is provided with calcining kiln body, the calcining kiln body includes cylinder and castable layer, the castable layer is arranged on the inner side of cylinder, the castable layer is made of corundum mullite castable material, the inside of the castable layer is provided with harrow nail, and the harrow nail is provided with multiple, and the harrow nail is fixedly connected with cylinder.

[0007] Preferably, the lower portion of the outside of the calcining kiln body is fixedly installed with heating box, and the inside of the heating box is fixedly installed with electric heating tube.

[0008] Preferably, the middle of the outer side of the calcination kiln body is fixedly provided with an external gear, a transmission gear is engagedly arranged below the external gear, a mounting frame one is rotatably arranged on the outer side of the transmission gear, a partition plate is fixedly arranged below the mounting frame one, and the partition plate is fixedly connected with the calcination box.

[0009] Preferably, a rack plate is engagedly arranged at the front end of the transmission gear, the lower end of the rack plate is slidably penetrated through the partition plate, a lifting column is fixedly arranged below the rack plate, and a sleeve is sleeved on the outer side of the lifting column.

[0010] Preferably, a transmission plate is rotatably arranged below the side of the lifting column, an eccentric wheel is rotatably arranged below the side of the transmission plate, an electric motor is arranged on one side of the eccentric wheel, and the output end of the electric motor is fixedly connected with the eccentric wheel.

[0011] Preferably, external ring bodies are symmetrically fixedly arranged on the two sides of the outer side of the calcination kiln body, stable circular plates are symmetrically arranged at the front end and the rear end below the external ring bodies, mounting frames two are rotatably arranged on the outer sides of the stable circular plates, and the mounting frames two are fixedly connected with the partition plate.

[0012] Preferably, a box door is rotatably arranged at the front end of the calcination box, and a cover is rotatably arranged at the rear end of the box door.

[0013] Compared with the prior art, the calcination kiln has the advantages that:

[0014] 1. The calcination kiln has the advantages that: the corundum mullite castable layer is used as the inner wall of the kiln body, the castable body is white after sintering, and is not easy to peel off during the calcination process. Even if peeling occurs, the white material itself will not adversely affect the whiteness of the calcined powder material, thereby greatly improving the practicality and quality stability of products with strict requirements for the whiteness of the calcined powder, and the practicality is good compared with the traditional grayish-brown and easy-to-peel castable.

[0015] 2. The calcination kiln has the advantages that: the stable circular plates and the mounting frames two are arranged below the external ring bodies, the stability of the calcination kiln body during rotation is enhanced, the safety during the calcination process is improved, accidental accidents are prevented, and the practicality is improved.

[0016] 3. The calcination kiln has the advantages that: the reciprocating forward and reverse rotation of the calcination kiln body is realized through the cooperation of the electric motor, the eccentric wheel and the transmission plate, compared with the static calcination method, the uniform mixing and sufficient reaction of the calcined material in the kiln body are promoted, and the calcination efficiency and product quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the powder calcination kiln.

[0018] Figure 2 It is the side sectional view of the calcining box of the utility model;

[0019] Figure 3 It is the sectional view of the calcining kiln body of the utility model;

[0020] Figure 4 It is the enlarged schematic view of A part of the utility model;

[0021] Figure 5 It is the position schematic view of the outer ring body and the stabilizing round plate.

[0022] In the figure: 1, calcining box; 2, box door; 3, cover; 4, calcining kiln body; 401, cylinder body; 402, castable layer; 5, heating box; 6, outer gear; 7, transmission gear; 8, mounting frame one; 9, rack plate; 10, lifting column; 11, sleeve; 12, transmission plate; 13, eccentric wheel; 14, motor; 15, partition; 16, outer ring body; 17, stabilizing round plate; 18, mounting frame two; 19, electric heating tube; 20, rake nail. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: a powder calcining kiln, including calcining box 1, the upper portion of calcining box 1 inside is provided with calcining kiln body 4, calcining kiln body 4 includes cylinder body 401 and castable layer 402, castable layer 402 is set up in the inside of cylinder body 401, castable layer 402 adopts corundum mullite castable material to be made, the inside of castable layer 402 is provided with rake nail 20, and rake nail 20 is provided with a plurality of, rake nail 20 is fixedly connected with cylinder body 401, the setting of rake nail 20 increases the stability of the combination of cylinder body 401 and castable layer 402.

[0025] When using, adopt corundum mullite castable layer as kiln body inner wall, the sintering of castable body is white, and it is not easy to peel off during calcining process, even if peeling off occurs, due to the white characteristics of the material itself, it will not cause adverse effects on the whiteness of the calcined powder material.

[0026] Further, the lower portion of the outer side of calcining kiln body 4 is fixedly installed with heating box 5, and the inside of heating box 5 is fixedly installed with electric heating tube 19.

[0027] By setting heating box 5 and electric heating tube 19, the powder calcining process can be heated, which is beneficial to the stable calcining work of the powder and increases the practicability.

[0028] Further, the intermediate outside of the calcination kiln body 4 is fixedly provided with an external gear 6, the lower part of the external gear 6 is provided with a transmission gear 7, the outer side of the transmission gear 7 is rotatably provided with a mounting frame 8, the lower part of the mounting frame 8 is fixedly provided with a partition plate 15, the partition plate 15 is fixedly connected with the calcination box 1, the front end of the transmission gear 7 is provided with a rack plate 9, the lower end of the rack plate 9 is slidably penetrated through the partition plate 15, the lower part of the rack plate 9 is fixedly provided with a lifting column 10, the outer side of the lifting column 10 is provided with a sleeve 11, the two sides of the sleeve 11 are fixedly provided with side plates, and the side plates are fixedly connected with the partition plate 15, so that the position of the sleeve 11 is stable, the lower part of one side of the lifting column 10 is rotatably provided with a transmission plate 12, the lower part of one side of the transmission plate 12 is rotatably provided with an eccentric wheel 13, one side of the eccentric wheel 13 is provided with a motor 14, and the output end of the motor 14 is fixedly connected with the eccentric wheel 13.

[0029] The motor 14 drives the eccentric wheel 13 to rotate, the rotation of the eccentric wheel 13 drives the transmission plate 12 to arcuately operate, and the sleeve 11 guides the lifting column 10, so that the lifting column 10 reciprocatingly moves, and then the rack plate 9 reciprocatingly moves, the transmission gear 7 is driven to make the external gear 6 reciprocatingly and reversely rotate, so that the calcination kiln body 4 reciprocatingly and reversely rotates, which is beneficial to the uniform heating of the powder in the calcination kiln body 4.

[0030] Further, the two sides of the outer side of the calcination kiln body 4 are respectively and symmetrically fixedly provided with an outer ring body 16, the front end and the rear end of the lower part of the outer ring body 16 are respectively and symmetrically provided with a stable circular plate 17, and the outer side of the stable circular plate 17 is rotatably provided with a mounting frame 18, and the mounting frame 18 is fixedly connected with the partition plate 15.

[0031] The stable circular plate 17 and the mounting frame 18 are arranged below the outer ring body 16, which enhances the stability of the calcination kiln body 4 during rotation, and is beneficial to the safety during the calcination process and prevents accidents.

[0032] Further, the front end of the calcination box 1 is rotatably provided with a box door 2, the rear end of the box door 2 is rotatably provided with a cover 3, and the cover 3 is in contact with the calcination kiln body 4, so as to seal the calcination kiln body 4.

[0033] The box door 2 and the cover 3 are arranged, so as to be quickly opened and closed, which simplifies the material loading and unloading process and improves the production efficiency, and meanwhile, the good sealing performance effectively prevents heat loss and external impurities from entering, and guarantees the purity and stability of the calcination environment.

[0034] Working principle: in use, open the box door 2, the powder material to be calcined is put into the calcination kiln body 4, the electric heating tube 19 in the heating box 5 is used to heat the calcination kiln body 4 to provide the temperature environment required by powder calcination, the corundum mullite castable layer 402 inside the calcination kiln body 4 is used as the kiln body inner wall, which is not only high-temperature resistant but also not easy to peel off, even if peeling off, it will not affect the whiteness of the powder material, at the same time, the calcination kiln body 4 is driven by the motor 14 to rotate the eccentric wheel 13, and then drives the transmission plate 12 and the lifting column 10 to reciprocatingly move up and down, through the transmission of the rack plate 9 and the transmission gear 7, the calcination kiln body 4 realizes reciprocating forward and reverse rotation to promote the uniform heating and sufficient reaction of the powder material in the kiln body, after calcination, the discharge is carried out by opening the box door 2.

[0035] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A powder calcining kiln, comprising a calcining box (1), characterized in that: The calcining box (1) is provided with a calcining kiln body (4) above the interior. The calcining kiln body (4) includes a cylinder (401) and a castable layer (402). The castable layer (402) is located inside the cylinder (401). The castable layer (402) is made of corundum mullite castable material. The interior of the castable layer (402) is provided with rake nails (20), and there are multiple rake nails (20). The rake nails (20) are fixedly connected to the cylinder (401).

2. The powder calcining kiln according to claim 1, characterized in that: A heating box (5) is fixedly installed on the lower side of the outer side of the calcining kiln body (4), and an electric heating tube (19) is fixedly installed inside the heating box (5).

3. The powder calcining kiln according to claim 1, characterized in that: An external gear (6) is fixedly installed in the middle of the outer side of the calcining kiln body (4). A transmission gear (7) is meshed below the external gear (6). An installation frame (8) is rotatably installed on the outer side of the transmission gear (7). A partition (15) is fixedly installed below the installation frame (8). The partition (15) is fixedly connected to the calcining box (1).

4. The powder calcining kiln according to claim 3, characterized in that: The front end of the transmission gear (7) is meshed with a rack plate (9), the lower end of the rack plate (9) slides through the partition plate (15), a lifting column (10) is fixedly installed below the rack plate (9), and a sleeve (11) is sleeved on the outside of the lifting column (10).

5. A powder calcining kiln according to claim 4, characterized in that: A transmission plate (12) is rotatably installed on the lower side of one side of the lifting column (10), and an eccentric wheel (13) is rotatably installed on the lower side of one side of the transmission plate (12). An electric motor (14) is provided on one side of the eccentric wheel (13), and the output end of the electric motor (14) is fixedly connected to the eccentric wheel (13).

6. The powder calcining kiln according to claim 3, characterized in that: An outer ring body (16) is symmetrically fixedly installed on both sides of the outer side of the calcining kiln body (4). A stable circular plate (17) is symmetrically arranged at the front end and rear end of the outer ring body (16). An installation frame (18) is rotatably installed on the outer side of the stable circular plate (17). The installation frame (18) is fixedly connected to the partition plate (15).

7. The powder calcining kiln according to claim 1, characterized in that: The front end of the calcining box (1) is rotatably equipped with a box door (2), and the rear end of the box door (2) is rotatably equipped with a cover (3).

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