Calcium carbonate raw material high-temperature decomposition device

Abstract

The utility model relates to the technical field of high-temperature decomposition devices, in particular to a calcium carbonate raw material high-temperature decomposition device which comprises a base, a kiln is installed on the upper surface of the base, an electric heating coil pipe is arranged in the kiln in a penetrating mode, a feeding bin is fixedly connected to the upper surface of the base, and the discharging end of the feeding bin is rotationally connected and communicated with the kiln. A hopper is fixedly communicated with the upper surface of the feeding bin, a screening structure is arranged on the inner wall of the feeding bin, and the screening structure comprises a fixing pipe. According to the utility model, by arranging the screening structure, when calcium carbonate raw materials are decomposed, the screening plate can screen the calcium carbonate raw materials, the calcium carbonate raw materials with qualified volume can fall off through the screening plate and slide into the kiln, and the calcium carbonate raw materials with larger volume can be remained above the screening plate; therefore, the kiln can fully heat and decompose the calcium carbonate raw material, impurities in the calcium carbonate raw material are reduced, and subsequent processing is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature decomposition device technical field especially relates to a calcium carbonate raw material high temperature decomposition device. BACKGROUND

[0002] Calcium carbonate raw material mainly has two kinds of natural ore and industrial byproduct. Among natural ore, limestone is widely distributed and has large reserves, is the commonly used raw material of producing calcium carbonate, calcite is high in purity and is often used for producing high quality products, marble has hard texture and has application in the field of high purity requirement such as food, medicine, industrial byproduct such as calcium carbide slag, phosphorus fertilizer byproduct gypsum can be converted into calcium carbonate through corresponding process, realizes resource recycling, is environmental protection and reduces cost, when producing calcium carbonate, need using rotary kiln to carry out high temperature decomposition to calcium carbonate raw material.

[0003] Rotary kiln in prior art is mainly composed of kiln with heating and rotating function and feeding bin for conveying calcium carbonate raw material into kiln, in working process, feeding bin continuously conveys raw material into kiln, kiln heats raw material and continuously rotates to convey raw material, thereby realizing the purpose of continuously high temperature decomposition to calcium carbonate raw material.

[0004] The above and prior art have the following defects: in the process of using rotary kiln, when adding calcium carbonate raw material into feeding bin, there is easy to exist calcium carbonate raw material with large volume, when calcium carbonate raw material with large volume enters into kiln of rotary kiln, cannot fully heat and decompose calcium carbonate raw material with large volume, thereby making calcium carbonate raw material after high temperature decomposition exist impurities, affecting subsequent processing.

[0005] Therefore, a kind of calcium carbonate raw material high temperature decomposition device is proposed. UTILITY MODEL CONTENT

[0006] The utility model aims at solving when calcium carbonate raw material with large volume enters into kiln of rotary kiln, cannot fully heat and decompose calcium carbonate raw material with large volume, thereby making calcium carbonate raw material after high temperature decomposition exist impurities, and proposes a kind of calcium carbonate raw material high temperature decomposition device.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: A calcium carbonate raw material high temperature decomposition device, including the base, the upper surface of base is installed with kiln, the electric heating coil is arranged in the kiln, the upper surface of base is fixedly connected with the feed bin, the discharge end of feed bin is rotatably connected with kiln and is linked, the upper surface of feed bin is fixedly connected with hopper, the inner wall of feed bin is equipped with screening structure, the fixed pipe of screening structure, the fixed pipe is fixedly installed on the inner wall of feed bin, the inner wall of fixed pipe is slidably penetrated with sliding plate, the upper surface of sliding plate is fixedly assembled with screening board, the surface of sliding plate is fixedly assembled with connecting frame, the inner wall of feed bin is rotatably connected with the pivot, the circumference of pivot is fixedly assembled with cam, the cam is slidably connected with connecting frame, the inner wall of feed bin is fixedly assembled with the orifice plate, the sliding plate is slidably connected with the orifice plate, and the surface of sliding plate and orifice plate is all provided with screening hole.

[0008] The effect of the above-mentioned components is that: by setting the screening structure, when the calcium carbonate raw material is decomposed, the screening board screens the calcium carbonate raw material, the calcium carbonate raw material with qualified volume falls through the screening board and slides into the kiln, and the calcium carbonate raw material with large volume remains above the screening board, so that the kiln can fully heat and decompose the calcium carbonate raw material, and the impurities in the calcium carbonate raw material are reduced, facilitating subsequent processing.

[0009] Preferably, the lower surface of the screening board is fixedly assembled with a spring, and one end of the spring is fixedly connected with the feed bin.

[0010] The effect of the above-mentioned components is that: by setting the spring, the screening board can quickly slide back.

[0011] Preferably, the lower surface of the screening board is fixedly assembled with a protection plate, the protection plate abuts against the inner wall of the feed bin, and the spring is located in the protection plate.

[0012] The effect of the above-mentioned components is that: the protection plate can shield and protect the spring, avoiding the situation that the spring is damaged by calcium carbonate particles.

[0013] Preferably, a crushing rod is rotatably connected in the feed bin, and the circumference of the crushing rod and the pivot is collectively sleeved with a belt.

[0014] The effect of the above-mentioned components is that: the belt drives the crushing rod to rotate, and high-speed rotation of the crushing rod can crush the calcium carbonate raw material with large volume, so that the situation that the calcium carbonate raw material with large volume is blocked due to large accumulation is avoided.

[0015] Preferably, the outer wall of the feeding bin is fixedly provided with a fixed plate, the surface of the fixed plate is fixedly provided with an electric push rod, the output end of the electric push rod is fixedly provided with an L-shaped plate, and the surface of the L-shaped plate is rotatably connected with a roller, and the roller abuts against the surface of the belt.

[0016] The above-mentioned components achieve the effect that when the belt is slack or too tight, the output end of the electric push rod is controlled to move, when the output end of the electric push rod is retracted, the L-shaped plate drives the roller to move downward, thereby loosening the too tight belt, and when the output end of the electric push rod is extended, the belt is pressed by the roller and becomes tight, so that the tightness of the belt can be adjusted as required, and the situation that the belt is too tight and easily broken or too loose and cannot normally drive is avoided.

[0017] Preferably, a limiting rod is slidably arranged in the fixed plate and fixedly connected with the L-shaped plate, and the limiting rod has a regular hexagonal prism structure.

[0018] The above-mentioned components achieve the effect that the movement of the L-shaped plate drives the limiting rod to slide along the fixed plate, and the limiting rod limits the movement path of the L-shaped plate.

[0019] Preferably, the screening plate is inclined to the horizontal plane.

[0020] The above-mentioned components achieve the effect that since the screening plate is inclined to the horizontal plane, the calcium carbonate raw material can slide along the surface of the screening plate and fall into the hole plate.

[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0022] In the utility model, when the calcium carbonate raw material is decomposed, the screening plate screens the calcium carbonate raw material, the calcium carbonate raw material with qualified volume falls through the screening plate and slides into the kiln, and the calcium carbonate raw material with large volume remains above the screening plate, so that the kiln can fully heat and decompose the calcium carbonate raw material, and the impurities in the calcium carbonate raw material are reduced, and subsequent processing is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model;

[0024] Figure 2 It is a structure schematic view of the base of the utility model;

[0025] Figure 3 It is a cross section structure schematic view of the kiln of the utility model;

[0026] Figure 4 It is a cross section structure schematic view of the feeding bin of the utility model;

[0027] Figure 5 For the utility model Figure 2 The enlarged view of A in the middle;

[0028] Figure 6 For the structure schematic view of the screening board of the utility model;

[0029] Figure 7 For the structure schematic view of another angle of the screening board of the utility model.

[0030] Legend: 1, base; 2, kiln; 3, feed bin; 4, hopper; 5, screening structure; 501, fixed tube; 502, sliding plate; 503, screening board; 504, connecting frame; 505, rotating shaft; 506, cam; 507, aperture plate; 508, spring; 509, guard plate; 510, crushing rod; 511, belt; 512, fixed plate; 513, electric push rod; 514, L-shaped plate; 515, roller; 516, limiting rod; 517, motor. Specific embodiments

[0031] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0032] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from the description herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0033] As Figures 1-7The utility model provides a kind of calcium carbonate raw material high-temperature decomposition device, including base 1, the upper surface of base 1 is equipped with kiln 2, electric heating coil pipe is arranged in kiln 2, the upper surface of base 1 is fixedly connected with feed bin 3, the discharge end of feed bin 3 is rotationally connected with kiln 2 and is communicated, the upper surface of feed bin 3 is fixedly communicated with hopper 4, the inner wall of feed bin 3 is equipped with screening structure 5, screening structure 5 includes fixed pipe 501, fixed pipe 501 is fixedly installed in the inner wall of feed bin 3, the inner wall of fixed pipe 501 is slidably penetrated with sliding plate 502, the upper surface of sliding plate 502 is fixedly equipped with screening plate 503, the surface of sliding plate 502 is fixedly equipped with connecting frame 504, feed bin 3 is rotationally connected with shaft 505, the circumferential surface of shaft 505 is fixedly equipped with cam 506, cam 506 is slidably connected with connecting frame 504, the inner wall of feed bin 3 is fixedly equipped with orifice plate 507, sliding plate 502 is slidably connected with orifice plate 507, the surface of sliding plate 502 and orifice plate 507 is all set with screening hole, by setting screening structure 5, when calcium carbonate raw material is decomposed, screening plate 503 will be screened to calcium carbonate raw material, and the volume of calcium carbonate raw material will be dropped and slid into kiln 2 by screening plate 503, and the volume of calcium carbonate raw material will be left above screening plate 503, to ensure that kiln 2 can be heated and decomposed to calcium carbonate raw material sufficiently, reduce the impurity existing in calcium carbonate raw material, facilitate subsequent processing, the lower surface of screening plate 503 is fixedly equipped with spring 508, one end of spring 508 is fixedly connected with feed bin 3, by setting spring 508, screening plate 503 can be quickly slid and reset, the lower surface of screening plate 503 is fixedly equipped with guard plate 509, guard plate 509 is in the inner wall of feed bin 3, spring 508 is in guard plate 509, guard plate 509 can shield and protect spring 508, avoid the condition that spring 508 is broken by calcium carbonate raw material particle.

[0034] The feeding bin 3 is rotationally connected with a crushing rod 510, the crushing rod 510 and the circumferential surface of the rotating shaft 505 are collectively sleeved with a belt 511, the belt 511 drives the crushing rod 510 to rotate, the high-speed rotation of the crushing rod 510 can crush the calcium carbonate raw materials with large volume, thereby avoiding the blockage caused by the large amount of calcium carbonate raw materials with large volume, the outer wall of the feeding bin 3 is fixedly connected with a fixed plate 512, the surface of the fixed plate 512 is fixedly connected with an electric push rod 513, the output end of the electric push rod 513 is fixedly connected with an L-shaped plate 514, the surface of the L-shaped plate 514 is rotationally connected with a roller 515, the roller 515 abuts against the surface of the belt 511, when the belt 511 is loose or too tight, the output end of the electric push rod 513 is controlled to move, when the output end of the electric push rod 513 is retracted, the L-shaped plate 514 drives the roller 515 to move downward, thereby adjusting the belt 511 that is too tight, when the output end of the electric push rod 513 is stretched, the belt 511 is squeezed by the roller 515 and becomes tight, therefore, the tightness of the belt 511 can be adjusted according to the needs, thereby avoiding the situation that the belt 511 is too tight and easily broken or too loose and cannot normally drive, the fixed plate 512 is slidably penetrated with a limiting rod 516, the limiting rod 516 is fixedly connected with the L-shaped plate 514, the limiting rod 516 is in a regular hexagonal prism structure, the movement of the L-shaped plate 514 drives the limiting rod 516 to slide along the fixed plate 512, the limiting rod 516 limits the movement path of the L-shaped plate 514, the screening plate 503 is inclined to the horizontal plane, because the screening plate 503 is inclined to the horizontal plane, the calcium carbonate raw materials can slide along the surface of the screening plate 503 and fall into the hole plate 507.

[0035] The whole working principle is that when the calcium carbonate raw material needs to be decomposed, the electric heating coil in the kiln 2 is started to heat, and then the calcium carbonate raw material is discharged into the hopper 4, and the calcium carbonate raw material enters the feeding bin 3 through the hopper 4, at this time, the screening plate 503 screens the calcium carbonate raw material, and the calcium carbonate raw material with qualified volume falls through the screening plate 503 and slides into the kiln 2, and the calcium carbonate raw material with large volume remains above the screening plate 503, so that the kiln 2 can fully heat and decompose the calcium carbonate raw material, and since the screening plate 503 is inclined to the horizontal plane, the calcium carbonate raw material can slide along the surface of the screening plate 503 into the perforated plate 507, then the motor 517 is started, the output end of the motor 517 rotates to drive the shaft 505 to rotate, the shaft 505 drives the cam 506 to rotate, and the cam 506 indirectly lifts the connecting frame 504 upward, so that under the cooperation of the spring 508 and the weight of the screening plate 503 itself, the screening plate 503 can continuously vibrate in the vertical direction, thereby speeding up the screening speed of the calcium carbonate raw material and the sliding speed of the calcium carbonate raw material from the surface of the screening plate 503, and the protection plate 509 can shield the spring 508 to prevent the spring 508 from being damaged by calcium carbonate raw material particles, during the operation of the motor 517, the belt 511 drives the crushing rod 510 to rotate, and the high-speed rotation of the crushing rod 510 can crush the calcium carbonate raw material with large volume, thereby avoiding the blockage caused by the accumulation of calcium carbonate raw material with large volume, when the belt 511 is loose or too tight, the output end of the electric push rod 513 is controlled to move, when the output end of the electric push rod 513 is retracted, the L-shaped plate 514 drives the roller 515 to move downward, thereby loosening the too tight belt 511, when the output end of the electric push rod 513 is stretched, the belt 511 is squeezed by the roller 515 and becomes tight, so that the tightness of the belt 511 can be adjusted according to the needs, thereby avoiding the situation that the belt 511 is too tight and easy to break or too loose and cannot normally drive, the movement of the L-shaped plate 514 drives the limiting rod 516 to slide along the fixed plate 512, and the limiting rod 516 limits the movement path of the L-shaped plate 514, and when the calcium carbonate raw material enters the kiln 2, the calcium carbonate raw material is heated and decomposed.

[0036] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application still falls within the protection scope of the present application.

Claims

1. A high-temperature decomposition device for calcium carbonate raw materials, characterized in that: The application relates to a kiln, which comprises a base (1), wherein an upper surface of the base (1) is provided with a kiln (2) with an electric heating coil pipe arranged in the kiln (2), an upper surface of the base (1) is fixedly connected with a feeding bin (3), a discharge end of the feeding bin (3) is rotatably connected with the kiln (2) and is communicated with the kiln (2), an upper surface of the feeding bin (3) is fixedly communicated with a hopper (4), an inner wall of the feeding bin (3) is provided with a screening structure (5), the screening structure (5) comprises a fixed pipe (501) fixedly arranged on the inner wall of the feeding bin (3), a sliding plate (502) is slidably arranged on the inner wall of the fixed pipe (501), a screening plate (503) is fixedly arranged on an upper surface of the sliding plate (502), a connecting frame (504) is fixedly arranged on the surface of the sliding plate (502), a rotating shaft (505) is rotatably arranged in the feeding bin (3), a cam (506) is fixedly arranged on the circumferential surface of the rotating shaft (505), the cam (506) is slidably connected with the connecting frame (504), a hole plate (507) is fixedly arranged on the inner wall of the feeding bin (3), the sliding plate (502) is slidably connected with the hole plate (507), and screening holes are arranged on the surfaces of the sliding plate (502) and the hole plate (507).

2. The calcium carbonate raw material high-temperature decomposition apparatus according to claim 1, characterized by: A lower surface of the screening plate (503) is fixedly provided with a spring (508), and one end of the spring (508) is fixedly connected with the feeding bin (3).

3. The calcium carbonate raw material high-temperature decomposition apparatus according to claim 2, characterized by: A lower surface of the screening plate (503) is fixedly provided with a protection plate (509), the protection plate (509) abuts against the inner wall of the feeding bin (3), and the spring (508) is arranged in the protection plate (509).

4. The calcium carbonate raw material high-temperature decomposition apparatus according to claim 1, characterized by: A crushing rod (510) is rotatably arranged in the feeding bin (3), and the crushing rod (510) and the circumferential surface of the rotating shaft (505) are jointly provided with a belt (511).

5. The calcium carbonate raw material pyrolysis apparatus according to claim 4, characterized in that: An outer wall of the feeding bin (3) is fixedly provided with a fixed plate (512), the surface of the fixed plate (512) is fixedly provided with an electric push rod (513), the output end of the electric push rod (513) is fixedly provided with an L-shaped plate (514), the surface of the L-shaped plate (514) is rotatably provided with a roller (515), and the roller (515) abuts against the surface of the belt (511).

6. The calcium carbonate raw material pyrolysis apparatus according to claim 5, characterized in that: A limiting rod (516) is slidably arranged in the fixed plate (512), the limiting rod (516) is fixedly connected with the L-shaped plate (514), and the limiting rod (516) is in a regular hexagonal prism structure.

7. The calcium carbonate raw material pyrolysis device according to claim 1, characterized in that: The screening plate (503) is inclined to the horizontal plane.

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