Calcination equipment for high bauxite

Abstract

The utility model relates to the technical field of calcination, in particular to calcination equipment for high bauxite, which comprises a kiln cylinder, a left support frame, a right support frame and a cooling component, a feed port is mounted at the upper end of the kiln cylinder, a discharge port is mounted at the lower end of the kiln cylinder, and sealing covers are mounted at the feed port and the discharge port. The left supporting frame and the right supporting frame are symmetrically and fixedly installed at the lower end of the kiln cylinder, the left supporting frame is located on the left side of the right supporting frame, and the cooling assembly is installed below the kiln cylinder. Wherein the cooling assembly further comprises a cooling box and a plurality of heat dissipation fans, the cooling box is located under the discharging port in the lower end of the kiln cylinder, the upper end of the cooling box is open, and the number of the heat dissipation fans is multiple. According to the high-alumina bauxite cooling device, calcined high-alumina bauxite can be rapidly cooled, and the problems that in the prior art, the calcined high-alumina bauxite is treated in a natural cooling mode, so that the cooling speed is low, and the productivity is influenced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to calcining technical field, especially a kind of calcining equipment for high bauxite. BACKGROUND

[0002] High bauxite, simply high aluminium material, the main mineral of high aluminium material is composed of diaspore and high alumina silica, and the content of diaspore increases with the proportion of aluminium trioxide and silicon dioxide, and the secondary mineral is rutile, magnetite and the like, and sometimes contains a small amount of boehmite and dickite.

[0003] High bauxite calcining process needs to be carried out at high temperature to remove crystallization water, organic impurities and realize mineral phase conversion, and high bauxite calcining needs to be carried out in calcining equipment.

[0004] The problems of traditional high bauxite calcining equipment are that there is no rapid cooling function, and the high bauxite after calcining is treated by natural cooling, so that the cooling speed is slow, and the production capacity is affected, therefore, a calcining equipment for high bauxite is proposed. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a calcining equipment for high bauxite to solve the problems in the above background.

[0006] The technical scheme adopted by the utility model is:

[0007] A calcining equipment for high bauxite comprises:

[0008] A kiln cylinder is provided with a feeding port at the upper end, and a discharging port at the lower end, and sealing covers are installed at the feeding port and the discharging port;

[0009] Left and right side support frames are symmetrically fixed to the lower end of the kiln cylinder, and the left side support frame is located on the left side of the right side support frame;

[0010] A cooling assembly is installed below the kiln cylinder;

[0011] The cooling assembly further comprises:

[0012] A cooling box is located directly below the discharging port of the kiln cylinder, and the upper end of the cooling box is provided with an open port;

[0013] A plurality of cooling fans are installed at equal intervals on the rear end face inside the cooling box.

[0014] Optionally, the cooling assembly further comprises:

[0015] A motor is fixedly installed at the left end of the left support frame, and the output shaft of the motor is penetrated through the left support frame and fixedly installed with a driving shaft;

[0016] A liquid inlet pipe is penetrated through the left end of the cooling box, and the liquid inlet pipe is rotationally connected with the cooling box through a bearing, and the left end of the liquid inlet pipe is mechanically linked with the right end of the driving shaft;

[0017] A liquid outlet pipe is penetrated through the right end of the cooling box, and the liquid outlet pipe is rotationally connected with the cooling box through a bearing.

[0018] Optionally, the outer end surface of the right end of the liquid inlet pipe and the outer end surface of the left end of the liquid outlet pipe are annularly arrayed and fixedly communicated with a plurality of liquid outlet side pipes, and a plurality of cooling pipes are fixedly communicated between the liquid outlet side pipes on the liquid inlet pipe and the liquid outlet side pipes on the liquid outlet pipe.

[0019] Optionally, the cooling assembly further comprises:

[0020] A first gear and a second gear, the first gear is fixedly sleeved on the right end of the driving shaft, the second gear is fixedly sleeved on the left end of the liquid inlet pipe, and the first gear is engaged with the second gear.

[0021] Optionally, the cooling assembly further comprises:

[0022] A refrigeration box is fixedly installed on the rear end surface of the cooling box, and the refrigeration box is internally provided with cooling liquid;

[0023] A left connecting pipe is fixedly communicated at one end with the left end of the refrigeration box;

[0024] A water pump is fixedly installed on the left connecting pipe;

[0025] An annular liquid inlet shell is sleeved on the liquid inlet pipe, the annular liquid inlet shell is fixedly communicated at the other end with the left connecting pipe, the annular liquid inlet shell is rotationally connected with the liquid inlet pipe through a bearing, a sealing rubber ring is arranged between the annular liquid inlet shell and the liquid inlet pipe, a first liquid outlet hole is formed in the inner side wall of the annular liquid inlet shell, and a first liquid inlet hole is formed in the outer end surface of the liquid inlet pipe and located inside the annular liquid inlet shell.

[0026] Optionally, the cooling assembly further comprises:

[0027] A right connecting pipe is fixedly communicated at one end with the right end of the refrigeration box;

[0028] An annular liquid outlet shell is sleeved on the liquid outlet pipe, the annular liquid outlet shell is fixedly communicated at the other end with the left connecting pipe, the annular liquid outlet shell is rotationally connected with the liquid outlet pipe through a bearing, a sealing rubber ring is arranged between the annular liquid outlet shell and the liquid outlet pipe, a second liquid inlet hole is formed in the inner side wall of the annular liquid outlet shell, and a second liquid outlet hole is formed in the outer end surface of the liquid outlet pipe and located inside the annular liquid outlet shell.

[0029] Optionally, the cooling assembly further comprises:

[0030] The semiconductor refrigeration piece is fixedly installed at the rear end of the refrigeration box, and a heat-conducting plate is fixedly installed at the refrigeration end of the front end of the semiconductor refrigeration piece.

[0031] Optionally, the cooling assembly further comprises:

[0032] The discharge opening is arranged at the front end of the cooling box, and a discharge plate is installed at the discharge opening.

[0033] Compared with the prior art, the utility model has the advantages that:

[0034] The high bauxite calcining equipment can calcine high bauxite through the feeding port, and the calcined high bauxite can be poured into the cooling box through the discharge port. The high bauxite in the cooling box can be cooled by starting the cooling fan. The cooling liquid in the refrigeration box can enter the cooling pipe through the left connecting pipe, the annular liquid inlet shell and the liquid inlet pipe in sequence by starting the water pump. The motor can drive the driving shaft to rotate by starting the motor. The rotating driving shaft can drive the liquid inlet pipe to rotate through the first gear and the second gear, so that the plurality of cooling pipes can rotate around the liquid inlet pipe. The rotating cooling pipe can move the high bauxite, thereby improving the heat dissipation effect of the cooling fan on the high bauxite. The cooling liquid can cool the high bauxite through the cooling pipe, thereby further improving the heat dissipation effect on the high bauxite. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0036] Figure 1 It is a structural schematic diagram of the present application;

[0037] Figure 2 It is a structural schematic diagram of the cooling assembly in the present application;

[0038] Figure 3 It is a partial structural schematic diagram of the cooling assembly in the present application;

[0039] Figure 4 It is a rear side structural schematic diagram of the cooling assembly in the present application.

[0040] Reference signs:

[0041] 1. Kiln cylinder; 2. Cooling assembly; 3. Left support frame; 4. Right support frame; 5. Discharge port; 6. Feed port;

[0042] 201. Motor; 202. Drive shaft; 203. First gear; 204. Second gear; 205. Discharge plate; 206. Liquid outlet pipe; 207. Liquid outlet side pipe; 208. Cooling pipe; 209. Refrigeration box; 210. Cooling fan; 211. Annular liquid inlet shell; 212. Liquid inlet pipe; 213. Annular liquid outlet shell; 214. Right side connecting pipe; 215. Water pump; 216. Left side connecting pipe; 217. Semiconductor refrigeration chip; 218. Cooling box. Detailed Implementation

[0043] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0044] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0045] like Figures 1-3 As shown, this utility model embodiment provides a calcination device for high-alumina bauxite, including a kiln 1, a left support frame 3, a right support frame 4, and a cooling component 2. A feed inlet 6 is installed at the upper end of the kiln 1, and a discharge outlet 5 is installed at the lower end of the kiln 1. Sealing caps are installed at both the feed inlet 6 and the discharge outlet 5. The left support frame 3 and the right support frame 4 are symmetrically fixedly installed at the lower end of the kiln 1, with the left support frame 3 located to the left of the right support frame 4. The cooling component 2 is installed below the kiln 1.

[0046] High-alumina bauxite can be poured into the kiln cylinder 1 through the feed port 6 for calcination. After calcination, the sealing cover at the lower end of the discharge port 5 is opened, and the calcined high-alumina bauxite is poured into the cooling box 218 through the discharge port 5 for rapid cooling.

[0047] The cooling assembly 2 further comprises a cooling box 218 and heat dissipation fans 210. The cooling box 218 is located directly below the discharge port 5 at the lower end of the kiln cylinder 1, and the upper end of the cooling box 218 is open. The heat dissipation fans 210 are provided in plurality and are equidistantly installed on the rear end face inside the cooling box 218.

[0048] By starting the heat dissipation fans 210, the heat dissipation fans 210 can cool the bauxite in the cooling box 218.

[0049] In this embodiment, the cooling assembly 2 further comprises a motor 201, a liquid inlet pipe 212 and a liquid outlet pipe 206. The motor 201 is fixedly installed at the left end of the left support frame 3, and the output shaft of the motor 201 penetrates through the left support frame 3 at the right end and is fixedly installed with a driving shaft 202. The liquid inlet pipe 212 penetrates through the left end of the cooling box 218 and is rotatably connected with the cooling box 218 through a bearing. The left end of the liquid inlet pipe 212 is mechanically linked with the right end of the driving shaft 202. The liquid outlet pipe 206 penetrates through the right end of the cooling box 218 and is rotatably connected with the cooling box 218 through a bearing.

[0050] The outer end face of the right end of the liquid inlet pipe 212 and the outer end face of the left end of the liquid outlet pipe 206 are both annularly arrayed and fixedly communicated with a plurality of liquid outlet side pipes 207. A plurality of cooling pipes 208 are fixedly communicated between the plurality of liquid outlet side pipes 207 on the liquid inlet pipe 212 and the plurality of liquid outlet side pipes 207 on the liquid outlet pipe 206.

[0051] The cooling assembly 2 further comprises a first gear 203 and a second gear 204. The first gear 203 is fixedly sleeved on the right end of the driving shaft 202, and the second gear 204 is fixedly sleeved on the left end of the liquid inlet pipe 212. The first gear 203 is engaged with the second gear 204.

[0052] The cooling assembly 2 further comprises a refrigeration box 209, a left connecting pipe 216, a water pump 215 and an annular liquid inlet shell 211. The refrigeration box 209 is fixedly installed on the rear end face of the cooling box 218 and is internally provided with cooling liquid. One end of the left connecting pipe 216 is fixedly communicated with the left end of the refrigeration box 209. The water pump 215 is fixedly installed on the left connecting pipe 216. The annular liquid inlet shell 211 is sleeved on the liquid inlet pipe 212 and is fixedly communicated with the other end of the left connecting pipe 216. The annular liquid inlet shell 211 is rotatably connected with the liquid inlet pipe 212 through a bearing. A sealing rubber ring is arranged between the annular liquid inlet shell 211 and the liquid inlet pipe 212. A first liquid outlet hole is formed in the inner side wall of the annular liquid inlet shell 211, and a first liquid inlet hole is formed in the outer end face of the liquid inlet pipe 212 and located at the inner side of the annular liquid inlet shell 211.

[0053] The cooling assembly 2 further comprises a right connecting pipe 214 and an annular liquid outlet shell 213. The right connecting pipe 214 is fixedly communicated with the right end of the refrigeration box 209. The annular liquid outlet shell 213 is sleeved on the liquid outlet pipe 206. The annular liquid outlet shell 213 is fixedly communicated with the other end of the left connecting pipe 216. The annular liquid outlet shell 213 is rotationally connected with the liquid outlet pipe 206 through a bearing. A sealing rubber ring is arranged between the annular liquid outlet shell 213 and the liquid outlet pipe 206. A second liquid inlet hole is formed in the inner side wall of the annular liquid outlet shell 213. A second liquid outlet hole is formed in the outer end surface of the liquid outlet pipe 206 and located at the inner side of the annular liquid outlet shell 213.

[0054] By starting the water pump 215, the water pump 215 works to make the cooling liquid in the refrigeration box 209 enter the cooling pipe 208 in sequence through the left connecting pipe 216, the annular liquid inlet shell 211, the first liquid outlet hole, the first liquid inlet hole and the liquid inlet pipe 212, and enter the refrigeration box 209 in sequence through the liquid outlet pipe 206, the second liquid outlet hole, the second liquid inlet hole, the annular liquid outlet shell 213 and the right connecting pipe 214, thereby realizing the circulation of the cooling liquid.

[0055] By starting the motor 201, the motor 201 works to drive the driving shaft 202 to rotate. The rotating driving shaft 202 drives the liquid inlet pipe 212 to rotate through the first gear 203 and the second gear 204, thereby driving the plurality of cooling pipes 208 to rotate around the liquid inlet pipe 212. The rotating cooling pipes 208 can stir the bauxite, thereby improving the heat dissipation effect of the bauxite by the heat dissipation fan 210. The cooling liquid can cool the bauxite through the cooling pipes 208, thereby further improving the heat dissipation effect of the bauxite.

[0056] As shown in Figure 4 The cooling assembly 2 further comprises a semiconductor refrigeration sheet 217. The semiconductor refrigeration sheet 217 is fixedly installed at the rear end of the refrigeration box 209. A heat conduction plate is fixedly installed at the front refrigeration end of the semiconductor refrigeration sheet 217. The front end of the heat conduction plate penetrates through the rear end of the refrigeration box 209 and extends into the refrigeration box 209.

[0057] By driving the semiconductor refrigeration sheet 217, the semiconductor refrigeration sheet 217 works to continuously cool the heat conduction plate through the refrigeration end, thereby continuously cooling the cooling liquid through the heat conduction plate, so that the cooling liquid can keep low temperature and continuously cool the bauxite.

[0058] The cooling assembly 2 further comprises a discharge opening. The discharge opening is arranged at the front end of the cooling box 218. A discharge plate 205 is installed at the discharge opening.

[0059] After cooling, the discharge plate 205 is opened. The bauxite can be taken out from the cooling box 218 through the discharge opening.

[0060] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A calcining apparatus for high alumina bauxite, characterized by, Include: kiln cylinder (1), the upper end is provided with feeding port (6), the lower end of the kiln cylinder (1) is provided with discharge port (5), and the feeding port (6) and the discharge port (5) are provided with sealing cover; Left support frame (3) and right support frame (4), the left support frame (3) and the right support frame (4) are symmetrically fixedly installed on the lower end of the kiln cylinder (1), and the left support frame (3) is located on the left side of the right support frame (4); Cooling assembly (2), installed below the kiln cylinder (1); wherein, the cooling assembly (2) further comprises: cooling box (218), located below the discharge port (5) of the kiln cylinder (1), the upper end of the cooling box (218) is provided with an open port; Radiator fan (210), provided with a plurality of, a plurality of radiator fans (210) are equidistantly installed on the rear end face inside the cooling box (218).

2. The calcining apparatus for high bauxite according to claim 1, characterized by The cooling assembly (2) further comprises: motor (201), fixedly installed on the left end of the left support frame (3), the output shaft right end of the motor (201) penetrates the left support frame (3), and the driving shaft (202) is fixedly installed; Liquid inlet pipe (212), penetrating the left end of the cooling box (218), the liquid inlet pipe (212) is rotatably connected with the cooling box (218) through a bearing, and the left end of the liquid inlet pipe (212) is mechanically linked with the right end of the driving shaft (202); Liquid outlet pipe (206), penetrating the right end of the cooling box (218), the liquid outlet pipe (206) is rotatably connected with the cooling box (218) through a bearing.

3. The calcining apparatus for high bauxite according to claim 2, characterized by The right end of the liquid inlet pipe (212) and the left end of the liquid outlet pipe (206) are both annularly arranged and fixedly connected with a plurality of liquid outlet side pipes (207), and a plurality of cooling pipes (208) are fixedly connected between the plurality of liquid outlet side pipes (207) on the liquid inlet pipe (212) and the plurality of liquid outlet side pipes (207) on the liquid outlet pipe (206).

4. The calcining apparatus for high bauxite according to claim 3, characterized by The cooling assembly (2) further comprises: first gear (203) and second gear (204), the first gear (203) is fixedly sleeved on the right end of the driving shaft (202), and the second gear (204) is fixedly sleeved on the left end of the liquid inlet pipe (212), the first gear (203) and the second gear (204) are engaged.

5. The calcining apparatus for high bauxite according to claim 4, characterized by The cooling assembly (2) further comprises: a refrigeration box (209) fixedly installed at the rear end face of the cooling box (218), wherein the refrigeration box (209) is internally provided with cooling liquid; a left connecting pipe (216) fixedly communicated with the left end of the refrigeration box (209); a water pump (215) fixedly installed on the left connecting pipe (216); an annular liquid inlet shell (211) sleeved on the liquid inlet pipe (212), wherein the annular liquid inlet shell (211) is fixedly communicated with the other end of the left connecting pipe (216), the annular liquid inlet shell (211) is rotationally connected with the liquid inlet pipe (212) through a bearing, a sealing rubber ring is arranged between the annular liquid inlet shell (211) and the liquid inlet pipe (212), a first liquid outlet hole is formed in the inner side wall of the annular liquid inlet shell (211), and a first liquid inlet hole is formed in the outer end face of the liquid inlet pipe (212) and located at the inner side of the annular liquid inlet shell (211).

6. The calcining apparatus for high bauxite according to claim 5, characterized by The cooling assembly (2) further comprises: a right connecting pipe (214) fixedly communicated with the right end of the refrigeration box (209); an annular liquid outlet shell (213) sleeved on the liquid outlet pipe (206), wherein the annular liquid outlet shell (213) is fixedly communicated with the other end of the left connecting pipe (216), the annular liquid outlet shell (213) is rotationally connected with the liquid outlet pipe (206) through a bearing, a sealing rubber ring is arranged between the annular liquid outlet shell (213) and the liquid outlet pipe (206), a second liquid inlet hole is formed in the inner side wall of the annular liquid outlet shell (213), and a second liquid outlet hole is formed in the outer end face of the liquid outlet pipe (206) and located at the inner side of the annular liquid outlet shell (213).

7. The calcining apparatus for high bauxite according to claim 6, characterized by The cooling assembly (2) further comprises: a semiconductor refrigeration sheet (217) fixedly installed at the rear end of the refrigeration box (209), wherein a heat-conducting plate is fixedly installed at the refrigeration end of the front end of the semiconductor refrigeration sheet (217), the heat-conducting plate penetrates through the rear end of the refrigeration box (209) and extends into the refrigeration box (209).

8. The calcining apparatus for high bauxite according to claim 1, characterized by The cooling assembly (2) further comprises: a discharge opening arranged at the front end of the cooling box (218), wherein a discharge plate (205) is installed at the discharge opening.

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