Raw material pretreatment device for cement production

Abstract

The utility model relates to the field of cement production, in particular to a raw material pretreatment device for cement production, which comprises a fixed side plate and a screening mesh belt, a support frame is fixedly mounted at the lower end of the fixed side plate, a mounting seat is mounted at the right end of the fixed side plate, and a feeding box is arranged at the upper end of the mounting seat. The two fixed side plates are located on the front side and the rear side of the screening net belt, a bottom plate is fixedly installed on the portion, located on the right side of the screening net belt, between the two fixed side plates, a material distributing plate is arranged at the upper end of the bottom plate, and a discharging guide plate is installed at the left ends of the fixed side plates. Raw materials fall onto the material distributing plate through the feeding box, the vibrating motor drives the material distributing plate to vibrate, the fallen raw materials are scattered and evenly slide onto the screening mesh belt, the materials are prevented from being stacked on the screening mesh belt, meanwhile, the baffle is used for blocking the upper portion of the screening mesh belt, and when the materials are stacked by a certain thickness, the baffle scrapes off the materials, so that the screening mesh belt is prevented from falling off. And the materials are flatly laid on the surface, so that the screening efficiency and effect are guaranteed, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement production field especially cement production's raw material preprocessing device. BACKGROUND

[0002] Cement production needs to go through raw material crushing and homogenization, raw material preparation homogenization, preheating decomposition, cement clinker sintering, cement grinding and packaging processes, and the production raw materials are mainly limestone, clay, iron ore, gypsum and the like, and by reasonably selecting and optimizing the raw material ratio, high-quality cement products meeting different requirements can be produced, so that the raw materials are screened and filtered to realize raw material pretreatment.

[0003] For example, patent number (CN214416915U) discloses a raw material preprocessing device for cement production, which comprises a screening mechanism and a feeding mechanism, the screening mechanism comprises a conveying frame, a rotating roller and a screening mesh belt, the rotating roller is arranged on the inner side of the conveying frame, the screening mesh belt is installed on the rotating roller, the conveying frame is provided with an inclined plate on the side, a No. 1 motor is installed on the front part of the conveying frame, a supporting assembly is arranged on the lower end surface of the conveying frame, and a feeding hopper is arranged on the inner side of the supporting assembly; the feeding mechanism comprises a mounting seat, a connecting seat and a fixed cylinder, and the connecting seat is arranged above the mounting seat. The utility model has the advantages of simple structure, reasonable design and low production cost, can automatically feed, save labor, efficiently screen out impurities in the raw materials, and has high practicability. The raw material preprocessing device in the patent can conveniently move the raw materials by moving the screening mesh belt and simultaneously screen the raw materials, but single-point feeding can cause the raw materials to accumulate on the mesh belt, and the rotation of the screening mesh belt can cause the materials to adhere to the surface and block the mesh holes, affecting the screening effect.

[0004] Therefore, in view of the problems of the existing raw material preprocessing device, such as raw material accumulation on the mesh belt, surface material adhesion and mesh hole blockage, which affect the screening effect, a raw material preprocessing device for cement production can be designed to adjust the range of illumination, increase the cleaning assembly and clean the surface of the transparent glass cover to reduce the shielding of the glass surface by dust. SUMMARY

[0005] In order to overcome the problems of the existing raw material preprocessing device, such as raw material accumulation on the mesh belt, surface material adhesion and mesh hole blockage, which affect the screening effect.

[0006] The utility model discloses a technical scheme for raw material pretreatment device of cement production, which comprises a fixed side plate, a screening net belt, a support frame fixedly installed at the lower end of the fixed side plate, a mounting seat installed at the right end of the fixed side plate, a feeding box arranged at the upper end of the mounting seat, two fixed side plates arranged at the front and back of the screening net belt, a bottom plate fixedly installed at the right side of the screening net belt between the two fixed side plates, a distribution plate arranged at the upper end of the bottom plate, a blocking component arranged above the screening net belt at the inner side of the fixed side plate, a discharging guide plate installed at the left end of the fixed side plate, a cleaning component arranged below the screening net belt, a driving motor arranged at the side of the rear end of the fixed side plate, a discharging port formed in the front end face of the fixed side plate, and a discharging plate installed in the discharging port.

[0007] Preferably, after the raw material passes through the feeding box, it falls onto the distribution plate and then slides onto the screening net belt, preventing the material from stacking at one point and ensuring the screening efficiency. Meanwhile, the cleaning component cleans the screening net belt, preventing the material from adhering and blocking the mesh holes.

[0008] Preferably, the right end of the feeding box is provided with a feeding pipe, the upper end of the feeding box and the mounting seat are fixedly connected through a mounting plate, and the lower end of the feeding box is provided with a feeding hopper.

[0009] Preferably, the surface of the screening net belt is provided with mesh holes, both ends of the inner side of the screening net belt are installed with conveying rollers, the front and back ends of the conveying rollers are rotatably connected with the fixed side plate, and the output end of the driving motor is fixedly connected with the rear end of the conveying roller.

[0010] Preferably, the right end of the distribution plate is rotatably connected with the fixed side plate through a connecting shaft, the lower end face of the distribution plate is provided with a vibration motor, the left side of the lower end of the distribution plate is movably connected with the bottom plate through a connecting spring, the left end of the distribution plate extends above the right end of the screening net belt, and the width of the distribution plate is adapted to the screening net belt.

[0011] Preferably, the blocking component comprises a fixed plate, both ends of the fixed plate are fixedly connected with the fixed side plate, a threaded rod is threadedly installed on the fixed plate, the lower end of the threaded rod extends below the fixed plate and is rotatably installed with an adjusting plate, the upper end of the threaded rod extends above the fixed plate and is fixedly installed with a hand wheel, and a baffle is rotatably installed at the right side of the lower end of the adjusting plate.

[0012] Preferably, the left end of the baffle is movably connected with the adjusting plate through a spring, guide rods are fixedly connected with the front and back sides of the upper end of the adjusting plate, and the guide rods are slidably connected with the fixed plate.

[0013] Preferably, the cleaning component comprises a cleaning roller, both ends of the cleaning roller are rotatably connected with the upper end of the support frame, a rotating motor is arranged on the surface of the support frame, the output end of the rotating motor is fixedly connected with the front end of the cleaning roller, and brush hairs are arranged on the surface of the cleaning roller.

[0014] The utility model discloses a beneficial effect:

[0015] 1, the raw material pretreatment device of cement production, when feeding, raw materials fall to the distribution board through the feeding box, and the raw materials that fall are scattered and evenly slide to the screening mesh belt through the vibration motor driving the distribution board vibration, avoid the material to form the accumulation on the screening mesh belt, and utilize the baffle to form the barrier to the top of screening mesh belt, when the material accumulation certain thickness, the scraping of baffle, the material is laid on the surface, guarantee the screening efficiency and effect, improved practicality.

[0016] 2, the raw material pretreatment device of cement production, smaller particle raw materials fall to the discharge plate through the mesh and are discharged through the discharge port, and the collection is convenient, and the larger particle raw materials are conveyed to the side by the screening mesh belt and fall to the discharge guide plate and are discharged, and the recycling is convenient, and the rotating motor is utilized to drive the cleaning roller to rotate, so that the bristle cleans the surface of the screening mesh belt, prevents the raw materials from adhering to the screening mesh belt, avoids the material that cleans the mesh, and the recycling of the screening mesh belt is convenient, and the screening effect is guaranteed. DRAWINGS

[0017] Figure 1 The cement production raw material pretreatment device overall structure schematic view of the utility model is shown;

[0018] Figure 2 The distribution board structure schematic view of the cement production raw material pretreatment device of the utility model is shown;

[0019] Figure 3 The fixed plate structure schematic view of the cement production raw material pretreatment device of the utility model is shown;

[0020] Figure 4 The cement production raw material pretreatment device internal structure schematic view of the utility model is shown;

[0021] Figure 5 The cleaning roller structure schematic view of the cement production raw material pretreatment device of the utility model is shown.

[0022] The drawing mark explanation is as follows: 1, fixed side plate, 2, support frame, 3, mounting seat, 4, feeding box, 5, distribution board, 51, vibration motor, 52, connecting spring, 6, screening mesh belt, 7, discharge guide plate, 8, drive motor, 9, discharge plate, 10, fixed plate, 101, threaded rod, 102, adjusting plate, 103, baffle, 104, guide rod, 11, cleaning roller, 111, rotating motor. DETAILED DESCRIPTION

[0023] The utility model is further explained in connection with the drawings and examples.

[0024] Please refer toFigures 1-5 The utility model provides a kind of embodiment: raw material pretreatment device of cement production, including fixed side plate 1, still including screening net belt 6, the lower end of fixed side plate 1 is fixedly installed with support frame 2, the right end of fixed side plate 1 is installed with mounting seat 3, the upper end of mounting seat 3 is provided with feeding box 4, the right end of feeding box 4 is provided with feeding tube, and the upper end of feeding box 4 and mounting seat 3 is fixedly connected by mounting plate, the lower end of feeding box 4 is provided with feeding hopper, two are provided with in the front and back of screening net belt 6 in fixed side plate 1, bottom plate is fixedly installed in the right side of screening net belt 6 between two fixed side plates 1, the upper end of bottom plate is provided with distribution plate 5, the inside of fixed side plate 1 is provided with material blocking subassembly above screening net belt 6, the left end of fixed side plate 1 is installed with discharge guide plate 7, the lower side of screening net belt 6 is provided with cleaning subassembly, the side of the rear end of fixed side plate 1 is provided with driving motor 8, and the front end surface of fixed side plate 1 is provided with discharge port, and discharge plate 9 is installed in discharge port, raw material is dropped on distribution plate 5 after passing through feeding box 4, then slide on screening net belt 6, prevent material from stacking in a point, guarantee screening efficiency, simultaneously, cleaning subassembly is cleaned to screening net belt 6, prevent material from adhering and plugging mesh hole.

[0025] Please refer to 1、 Figure 2 And Figure 4 In the embodiment, the surface of screening net belt 6 is provided with sieve hole, both ends of the inside of screening net belt 6 are installed with conveying roller, the front and back ends of conveying roller are rotatably connected with fixed side plate 1 respectively, the output end of driving motor 8 is fixedly connected with the rear end of conveying roller, the right end of distribution plate 5 is rotatably connected with fixed side plate 1 through connecting shaft, the lower end surface of distribution plate 5 is provided with vibration motor 51, the left side of the lower end of distribution plate 5 is movably connected with bottom plate through connecting spring 52, the left end of distribution plate 5 extends to the upper side of the right end of screening net belt 6, and the width of distribution plate 5 is adapted to screening net belt 6, raw material is dropped on distribution plate 5 when feeding, distribution plate 5 is vibrated by vibration motor 51, raw material is scattered, adhesion is reduced, and raw material is uniformly distributed on distribution plate 5, so that when sliding down, it is uniformly slid on screening net belt 6, the accumulation of material when feeding is reduced, and the screening effect is guaranteed.

[0026] Please refer to Figure 1 And Figure 3In the embodiment, the material blocking assembly comprises a fixed plate 10, both ends of the fixed plate 10 are fixedly connected with the fixed side plates 1 respectively, a threaded rod 101 is threadedly installed on the fixed plate 10, the lower end of the threaded rod 101 extends below the fixed plate 10 and is rotatably installed with an adjusting plate 102, the upper end of the threaded rod 101 extends above the fixed plate 10 and is fixedly installed with a hand wheel, the right side of the lower end of the adjusting plate 102 is rotatably installed with a baffle 103, the left end of the baffle 103 is movably connected with the adjusting plate 102 through a spring, the front and back sides of the upper end of the adjusting plate 102 are fixedly connected with guide rods 104 respectively, the guide rods 104 are slidably connected with the fixed plate 10, when the screening mesh belt 6 drives the raw materials to move, the height of the baffle 103 is limited, when the materials are accumulated to a certain thickness, the baffle 103 can lay the materials on the surface of the mesh belt, the screening efficiency is improved, the lower end of the baffle 103 has a floating space due to the movable connection of the spring, the materials can pass through conveniently, the hand wheel can be rotated to drive the threaded rod 101 to rotate, the height of the adjusting plate 102 is adjusted, the position of the baffle 103 is changed, different raw materials can be adapted, and the practicability is improved.

[0027] Please refer to Figure 1 、 Figure 4 and Figure 5 In the embodiment, the cleaning assembly comprises a cleaning roller 11, both ends of the cleaning roller 11 are rotatably connected with the upper end of the support frame 2, the surface of the support frame 2 is provided with a rotating motor 111, the output end of the rotating motor 111 is fixedly connected with the front end of the cleaning roller 11, the surface of the cleaning roller 11 is provided with bristles, the cleaning roller 11 is driven to rotate by the rotating motor 111, so that the bristles can clean the adhesion on the surface of the screening mesh belt 6, and the mesh holes are prevented from being blocked.

[0028] In the work, the raw materials are sent into the feeding box 4 through the feeding structure, and then fall onto the distribution plate 5 from the feeding hopper, which is driven by the vibration motor 51 to vibrate the distribution plate 5, so as to scatter the raw materials, reduce adhesion, and make the raw materials evenly distributed on the distribution plate 5, so that when they slide down, they are evenly distributed on the screening mesh belt 6, reducing the accumulation of materials during feeding, ensuring the screening effect, and then the screening mesh belt 6 moves the raw materials, and the smaller particles fall through the mesh holes onto the discharge plate 9 and are discharged through the discharge port for easy collection, while the larger particles are transported by the screening mesh belt 6 to the side and fall onto the discharge guide plate 7 for easy recycling. The height is limited by the baffle 103, when the material accumulates to a certain thickness, the baffle 103 flattens the material on the surface of the mesh belt, improving the screening efficiency, and the movable connection of the spring makes the lower end of the baffle 103 have a certain floating space, facilitating the passage of the material. At the same time, the hand wheel can be rotated to drive the threaded rod 101 to rotate, adjusting the height of the adjusting plate 102 and changing the position of the baffle 103 to adapt to different raw materials, improving the practicality. Finally, the cleaning roller 11 is driven by the rotating motor 111 to rotate, so that the bristles can clean the surface of the screening mesh belt 6 to prevent the mesh holes from being blocked, facilitating the circulation of the screening mesh belt 6.

[0029] Through the above steps, the raw materials fall onto the distribution plate 5 after passing through the feeding box 4, and then slide onto the screening mesh belt 6 to prevent the material from stacking in one place and ensure the screening efficiency. At the same time, the cleaning assembly cleans the screening mesh belt 6 to prevent the material from adhering and blocking the mesh holes, solving the problem of existing raw material pretreatment devices that raw materials form accumulation on the mesh belt, surface adhesion and blocking of mesh holes, affecting the screening effect.

Claims

1. A raw material pre-treatment device for cement production, comprising a fixed side plate (1), characterized in that: It also includes a screening mesh belt (6), a support frame (2) is fixedly installed at the lower end of the fixed side plate (1), a mounting seat (3) is installed at the right end of the fixed side plate (1), and a feeding box (4) is provided at the upper end of the mounting seat (3). Two fixed side plates (1) are provided on the front and rear sides of the screening mesh belt (6), a bottom plate is fixedly installed between the two fixed side plates (1) on the right side of the screening mesh belt (6), a dividing plate (5) is provided at the upper end of the bottom plate, a material blocking assembly is provided on the inner side of the fixed side plate (1) above the screening mesh belt (6), a discharge guide plate (7) is installed at the left end of the fixed side plate (1), a cleaning assembly is provided below the screening mesh belt (6), a driving motor (8) is provided on the side of the rear end of the fixed side plate (1), a discharge port is opened on the front end surface of the fixed side plate (1), and a discharge plate (9) is installed in the discharge port.

2. A raw material pre-treatment device for cement production according to claim 1, characterized in that: A feeding pipe is provided at the right end of the feeding box (4), the feeding box (4) and the upper end of the mounting seat (3) are fixedly connected via a mounting plate, and a feeding hopper is provided at the lower end of the feeding box (4).

3. A raw material pre-treatment device for cement production according to claim 1, characterized in that: The surface of the screening mesh belt (6) is provided with sieve holes. Conveying rollers are installed at both ends of the inner side of the screening mesh belt (6). The front and rear ends of the conveying rollers are respectively rotatably connected to the fixed side plates (1). The output end of the driving motor (8) is fixedly connected to the rear end of the conveying roller.

4. A raw material pre-treatment device for cement production according to claim 1, characterized in that: The right end of the dividing plate (5) and the fixed side plate (1) are rotatably connected via a connecting shaft. A vibration motor (51) is provided on the lower end surface of the dividing plate (5). The left side of the lower end of the dividing plate (5) is movably connected to the bottom plate via a connecting spring (52). The left end of the dividing plate (5) extends to above the right end of the screening mesh belt (6), and the width of the dividing plate (5) is adapted to the screening mesh belt (6).

5. A raw material pre-treatment device for cement production according to claim 1, characterized in that: The material blocking assembly includes a fixed plate (10), both ends of the fixed plate (10) are fixedly connected to the fixed side plate (1), a threaded rod (101) is threadedly installed on the fixed plate (10), the lower end of the threaded rod (101) extends to the bottom of the fixed plate (10) and is rotatably installed with an adjustment plate (102), the upper end of the threaded rod (101) extends to the top of the fixed plate (10) and is fixedly installed with a handwheel, and a baffle (103) is rotatably installed on the right side of the lower end of the adjustment plate (102).

6. A raw material pre-treatment device for cement production according to claim 5, characterized in that: The left end of the baffle (103) is movably connected to the adjustment plate (102) via a spring, and the front and rear sides of the upper end of the adjustment plate (102) are fixedly connected to guide rods (104), and the guide rods (104) and the fixed plate (10) are slidably connected.

7. A raw material pre-treatment device for cement production according to claim 1, characterized in that: The cleaning assembly comprises a cleaning roller (11), both ends of the cleaning roller (11) are rotatably connected to the upper end of the support frame (2), a rotating motor (111) is provided on the surface of the support frame (2), an output end of the rotating motor (111) is fixedly connected to the front end of the cleaning roller (11), and bristles are provided on the surface of the cleaning roller (11).

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