Stone calcining device

Abstract

The utility model provides a stone calcining device which comprises a calcining furnace, a feeding port is formed in the rear side of the calcining furnace, a material guiding pipe is arranged at the feeding port, a stirring assembly is arranged in the calcining furnace and comprises a rotating column rotationally arranged in the middle of the upper end of the calcining furnace, and a plurality of connecting plates are arranged at the lower end of the rotating column. According to the stone calcining device, stone can be calcined through the calcining furnace, and the stirring shaft can rotate while revolving around the rotating column through the stirring assembly, so that the stone can be effectively mixed, it is guaranteed that all particles can be evenly heated, and the stone calcining device has the advantages of being simple in structure, convenient to operate and high in practicability. Local overheating or non-uniform calcination is avoided, so that the quality of a calcined product is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of calcination devices, and particularly relates to a stone calcination device. Background Art

[0002] A stone calcination device is an industrial device specifically used for heat-treating stones at high temperatures to change their chemical properties and physical structures. Such devices are widely used in many fields such as building materials, cement production, and glass manufacturing. In the prior art, a calcination chamber is usually provided inside the calcination device, a stirring shaft is arranged at the top of the calcination chamber, and stirring blades are fixedly connected to the outer wall of the stirring shaft to stir limestone stones. However, in this method, the calcination space inside the calcination chamber is relatively large. When the stirring blades cover the entire calcination chamber, longer stirring blades are required. However, such long blades are prone to bending or vibration during high-speed rotation, affecting the stability and efficiency of stirring, and may even cause fatigue damage to the blades.

[0003] For example, the utility model with the publication number CN212800172U discloses a calcination device for limestone. In the technical solution of this patent, a heating component is arranged outside the calcination device, a calcination chamber is arranged inside the calcination device, a stirring shaft is arranged at the top of the calcination chamber, and stirring blades are fixedly connected to the outer wall of the stirring shaft to stir limestone. However, in this method, the calcination space inside the calcination chamber is relatively large. When the stirring blades stir the stones inside the calcination chamber, longer stirring blades are required. The end of the stirring blade far from the stirring shaft may be unstable during rotation, and its structural stability will decrease, being prone to bending or vibration, affecting the stirring efficiency. Content of the Utility Model

[0004] In view of this, aiming at the deficiencies of the prior art, the utility model provides a stone calcination device, which can not only calcine stones through a calcination furnace, but also divide the stirring blades into multiple groups through a stirring component and rotate them inside the calcination furnace respectively to ensure that all particles are evenly heated, avoid local overheating or uneven calcination, and thus improve the quality of calcined products.

[0005] To solve the above technical problems, the technical solution adopted by the utility model is: a stone calcination device, including a calcination furnace, a feed port is arranged at the rear side of the calcination furnace, a guide pipe is arranged at the feed port, a stirring component is arranged inside the calcination furnace, the stirring component includes a rotating column rotatably arranged in the middle of the upper end of the calcination furnace, a plurality of connecting plates are arranged at the lower end of the rotating column, stirring columns are rotatably arranged at the ends of the connecting plates far from the rotating column, stirring blades are evenly arranged on the outer arc surface of the stirring columns, a driving member one for driving the rotating column to rotate is arranged at the upper end of the calcination furnace, and a driving member two for driving the stirring column to rotate is arranged at the lower end of the upper side wall of the calcination furnace.

[0006] As a further improvement of the present utility model, the first driving member includes a mounting frame disposed at the upper end of the calciner. A motor is provided at the left end of the mounting frame, and a worm is provided at the right end and connected to the output end of the motor. A worm gear meshing with the worm is provided at the upper end of the rotating column.

[0007] As a further improvement of the present utility model, the second driving member includes a first gear fixedly disposed at the lower end of the upper side wall of the calciner. A second gear meshing with the first gear is provided at the upper end of the stirring column.

[0008] As a further improvement of the present utility model, a discharge port is provided at the lower end of the calciner, and a discharge valve is provided at the discharge port.

[0009] As a further improvement of the present utility model, a support plate is provided in the middle of the calciner. For the calcining assembly, symmetrically arranged on the upper end of the support plate, the calcining assembly includes high-temperature flame burners symmetrically arranged on both sides of the calciner. An air compressor is fixedly connected to the top of the high-temperature flame burner. A number of uniformly distributed high-temperature flame nozzles are fixedly connected to the left and right sides of the calciner. The exhaust port of the air compressor and the high-temperature flame nozzles are both connected to the high-temperature flame burner.

[0010] As a further improvement of the present utility model, a number of support bases are uniformly provided at the lower end of the support plate, and anti-slip stripes are provided on the outer wall of the bottom of each support base.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] First, by providing the stirring assembly, starting the motor, the motor drives the rotating column to rotate, the rotating column drives the connecting plate to rotate, the connecting plate drives the stirring column to rotate, and the second gear at the upper end of the stirring column revolves with the stirring column, so that the second gear rotates self-driven under the action of the first gear, so as to enable the stirring blades to perform two-way stirring on the limestone materials. The revolving and self-rotation dual movements of the stirring blades can more effectively mix the limestone raw materials, ensure that all particles are evenly heated, and avoid local overheating or insufficient calcination.

[0013] Second, by providing the discharge valve, the opening size of the discharge valve can be adjusted, thereby controlling the speed of the material discharged from the calciner, ensuring that the residence time of the material in the furnace meets the process requirements, so as to obtain ideal product quality and output.

[0014] Third, by providing the high-temperature burner, the high-temperature burner can generate high-temperature flames, and then calcine the limestone blocks through the high-temperature flame nozzles, improving the calcination efficiency.

[0015] Fourth, a number of support bases are uniformly provided at the lower end of the support plate, and anti-slip stripes are provided on the outer wall of the bottom of each support base. By providing the support bases, a good supporting effect on the support plate is achieved, greatly improving the stability of the support plate. Brief Description of the Drawings

[0016] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0017] Figure 1 is a schematic structural view of the present utility model;

[0018] Figure 2 is a schematic structural view of the stirring assembly of the present utility model;

[0019] Figure 3 is a schematic structural view of the first driving member of the present utility model;

[0020] Figure 4 is a front view structural schematic of the present utility model.

[0021] In the figure: 101, calciner; 102, material guiding pipe; 103, rotating column; 104, connecting plate; 105, stirring column; 106, support base; 107, stirring blade; 201, mounting frame; 202, motor; 203, worm; 204, worm gear; 205, first gear; 206, second gear; 207, discharge port; 208, discharge valve; 209, support plate; 301, high-temperature flame burner; 302, air compressor; 303, high-temperature flame nozzle. Specific Embodiments

[0022] To better understand the present utility model, the content of the present utility model will be further clearly elaborated below in conjunction with embodiments. However, the protected content of the present utility model is not limited to the following embodiments. In the following description, a large number of specific details are given to provide a more thorough understanding of the present utility model. However, it is obvious to those skilled in the art that the present utility model can be implemented without one or more of these details.

[0023] Such as Figure 1 、 2, as shown in FIGS. 3, a stone calcination device includes a calcination furnace 101. An inlet is provided at the rear side of the calcination furnace 101, and a material guiding pipe 102 is arranged at the inlet. A stirring assembly is arranged inside the calcination furnace 101. The stirring assembly includes a rotating column 103 rotatably arranged in the middle of the upper end of the calcination furnace 101. A plurality of connecting plates 104 are arranged at the lower end of the rotating column 103. Stirring columns 105 are rotatably arranged at the ends of the connecting plates 104 far from the rotating column 103. Stirring blades 107 are uniformly arranged on the outer arc surface of the stirring columns 105. A driving member one for driving the rotating column 103 to rotate is arranged at the upper end of the calcination furnace 101. A driving member two for driving the stirring column 105 to rotate is arranged at the lower end of the upper side wall of the calcination furnace 101. Start the motor 202, the motor 202 drives the rotating column 103 to rotate, the rotating column 103 drives the connecting plates 104 to rotate, the connecting plates 104 drive the stirring columns 105 to rotate, and the gear two 206 at the upper end of the stirring column 105 revolves with the stirring column 105, so that the gear two 206 rotates self - driven under the action of the gear one 205, so as to enable the stirring blades 107 to stir the limestone materials bidirectionally. The dual movements of the revolution and self - rotation of the stirring blades 107 can more effectively mix the limestone raw materials, ensure that all particles are evenly heated, and avoid local overheating or insufficient calcination.

[0024] As Figure 1 , 4 shown, a support plate 209 is arranged in the middle of the calcination furnace 101. Calcination components are symmetrically arranged at the upper end of the support plate 209. The calcination components include high - temperature flame burners 301 symmetrically arranged on both sides of the calcination furnace 101. An air compressor 302 is fixedly connected to the top of the high - temperature flame burner 301. A plurality of uniformly distributed high - temperature flame nozzles 303 are fixedly connected to the left and right sides of the calcination furnace 101. The exhaust port of the air compressor 302 and the high - temperature flame nozzles 303 are both connected to the high - temperature flame burner 301.

[0025] As Figure 1 , 2 shown in FIGS. 3, the driving member one includes a mounting frame 201 arranged at the upper end of the calcination furnace 101. A motor 202 is arranged at the left end of the mounting frame 201, and a worm 203 connected to the output end of the motor 202 is arranged at the right end. A worm gear 204 meshing with the worm 203 is arranged at the upper end of the rotating column 103. The driving member two includes a gear one 205 fixedly arranged at the lower end of the upper side wall of the calcination furnace 101. A gear two 206 meshing with the gear one 205 is arranged at the upper end of the stirring column 105.

[0026] As Figure 1 , 4As shown in the figure, a discharge port 207 is provided at the lower end of the calciner 101, and a discharge valve 208 is provided at the discharge port 207. By setting the discharge valve 208, the opening size of the discharge valve 208 can be adjusted, so as to control the discharging speed of the material from the calciner 101, ensure that the residence time of the material in the furnace meets the process requirements, and obtain ideal product quality and output.

[0027] As Figure 1 , 4 shown, a number of support bases 106 are evenly provided at the lower end of the support plate 209, and anti-slip stripes are provided on the outer wall of the bottom of the support base 106. By providing the support base 106, a good support effect is achieved on the support plate 209, and the stability of the support plate 209 is greatly improved.

[0028] During use, the limestone material enters the interior of the calciner 101 through the material guiding pipe 102. The air compressor 302 is started to compress the air and then discharge it into the high-temperature flame burner 301. The high-temperature burner generates high-temperature flames, and the limestone blocks are calcined through the high-temperature flame nozzle 303. At the same time, the motor 202 is started, and the motor 202 drives the rotating column 103 to rotate. The rotating column 103 drives the connecting plate 104 to rotate, and the connecting plate 104 drives the stirring column 105 to rotate. The second gear 206 at the upper end of the stirring column 105 revolves with the stirring column 105, and further makes the second gear 206 rotate self-driven under the action of the first gear 205, so that the second gear 206 drives the stirring column 105 to rotate self-driven while revolving around the rotating column 103, enabling the limestone material to be fully calcined. After the calcination is completed, the discharge valve 208 is opened, and the limestone is discharged through the discharge port 207.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Any other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention shall be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A stone calcination device, comprising a calcination furnace (101), characterized in that: The rear side of the calciner (101) is provided with a feed inlet, and a material guiding pipe (102) is arranged at the feed inlet. A stirring assembly is arranged inside the calciner (101). The stirring assembly includes a rotating column (103) rotatably arranged in the middle of the upper end of the calciner (101). A plurality of connecting plates (104) are arranged at the lower end of the rotating column (103). Stirring columns (105) are rotatably arranged at one ends of the connecting plates (104) far away from the rotating column (103). Stirring blades (107) are evenly arranged on the outer arc surface of the stirring columns (105). A first driving member for driving the rotating column (103) to rotate is arranged at the upper end of the calciner (101). A second driving member for driving the stirring columns (105) to rotate is arranged at the lower end of the upper side wall of the calciner (101).

2. The stone calcination device according to claim 1, characterized in that: The first driving member includes a mounting frame (201) arranged at the upper end of the calciner (101). A motor (202) is arranged at the left end of the mounting frame (201), and a worm (203) connected to the output end of the motor (202) is arranged at the right end. A worm gear (204) meshing with the worm (203) is arranged at the upper end of the rotating column (103).

3. The stone calcination device according to claim 1, characterized in that: The second driving member includes a first gear (205) fixedly arranged at the lower end of the upper side wall of the calciner (101). A second gear (206) meshing with the first gear (205) is arranged at the upper end of the stirring column (105).

4. The stone calcination device according to claim 1, characterized in that: A discharge port (207) is arranged at the lower end of the calciner (101), and a discharge valve (208) is arranged at the discharge port (207).

5. The stone calcination device according to claim 1, characterized in that: A support plate (209) is arranged in the middle of the calciner (101). Calcining assemblies are symmetrically arranged at the upper end of the support plate (209).

6. The stone calcination device according to claim 5, characterized in that: The calcining assemblies include high-temperature flame burners (301) symmetrically arranged on both sides of the calciner (101). An air compressor (302) is fixedly connected to the top of the high-temperature flame burner (301). A plurality of evenly distributed high-temperature flame nozzles (303) are fixedly connected to the left and right sides of the calciner (101). The exhaust port of the air compressor (302) and the high-temperature flame nozzles (303) are both connected to the high-temperature flame burner (301).

7. The stone calcination device according to claim 5, characterized in that: A plurality of support bases (106) are evenly arranged at the lower end of the support plate (209). Anti-slip stripes are arranged on the outer wall of the bottom of the support bases (106).

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