Cement raw material fineness screening device

Abstract

The utility model relates to the technical field of cement processing, and discloses a cement raw material fineness screening device. The cement raw material fineness screening device comprises overturning devices, a cement raw material conveying and overturning mechanism is connected between the overturning devices, a cement fineness processing mechanism is installed in front of the overturning devices, and the cement raw material conveying and overturning mechanism comprises a connecting rod connected between the overturning devices. The turnover device is arranged above the screening net plate and connected with the motor through the connecting rod, the motor is used for driving the turnover device to rotate, the side plate is arranged on one side of the turnover device, and the side plate and the turnover device can turn over accumulated cement raw materials, so that the cement raw materials are separated from the screening net plate. The cement raw materials with small granularity can pass through the screening device arranged on the screening net plate, waste of the cement raw materials can be prevented from being reduced in the screening process through the design, and the cement raw materials reaching the standard are screened by the screening device.

Description

Technical Field

[0001] This utility model relates to the field of cement processing technology, specifically to a cement raw material fineness screening device. Background Technology

[0002] In the cement production process, raw meal grinding is a crucial step. The main function of this process is to prepare standard-compliant powdered raw meal, which is then used for clinker calcination. When grinding raw meal, the particle size needs to meet the specified standards, which can be measured by indicators such as fineness and specific surface area. Therefore, a cement raw meal fineness screening device is proposed.

[0003] The existing Chinese utility model patent with publication number CN212664167U discloses a cement fineness screening device for engineering testing, belonging to the field of engineering testing technology. This technical solution includes a housing, with a screening mechanism slidably disposed at the bottom of the housing, and a discharge port at the bottom of the housing. Fixed blocks are fixed to the top of the inner side of the housing, and sliding rods are slidably installed inside each fixed block. Support blocks are fixed to the top of each sliding rod, and springs are disposed between the support blocks and the fixed blocks. A hopper is fixed between the two sets of support blocks. A motor is fixed inside the housing, and a drive rod is installed at the output end of the motor. The drive mechanism, consisting of a motor, drive rod, first sleeve, second sleeve, first connecting rod, and second connecting rod inside the housing, can drive the hopper to shake up and down during use, effectively preventing clogging of the hopper. Furthermore, the drive mechanism can drive the screening mechanism to shake back and forth for sieving, effectively reducing the floating of cement powder.

[0004] Based on the search of the aforementioned patents and the findings of existing equipment, it was discovered that cement raw material screening is an important part of the cement production process. Cement raw materials tend to accumulate during transportation, and these accumulations are difficult to screen, leading to waste. Furthermore, substandard cement raw materials are not ground and reused, which also results in waste. These problems all affect the use of the equipment. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a cement raw meal fineness screening device, which has the advantages of cement raw meal turning and screening and cement raw meal reprocessing, thus solving the above-mentioned technical problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a cement raw material fineness screening device, including a turning device, a cement raw material transport turning mechanism connected between the turning devices, a cement fineness processing mechanism installed in front of the turning device, the cement raw material transport turning mechanism including: a connecting rod connected between the turning devices, a side plate for material turning fixedly installed on one side of the turning device, and a servo motor provided on one side of the connecting rod;

[0009] The cement fineness processing mechanism includes: an abrasive box installed in front of the turning device, an abrasive roller for material fine division is provided inside the abrasive box, a screen bottom plate is provided in the lower middle part of the abrasive box, an outlet screen plate is embedded in front of the abrasive box, a turning plate for repeated abrasive processing of materials is provided below the abrasive roller, and mounting columns are fixedly installed on both sides above the turning plate, and a fixing ring is fixedly installed above the mounting columns.

[0010] As a preferred embodiment of this utility model, a screening screen is provided below the flipping device, and support frames are fixedly installed on both sides of the flipping device; the support frames provide fixed support for the flipping device.

[0011] As a preferred embodiment of this utility model, the screening screen plate has screen holes embedded inside, a motor is provided on one side of the screening screen plate, and a device box is provided at the bottom of the screening screen plate; the motor drives the equipment to rotate and transport.

[0012] As a preferred embodiment of this utility model, the connecting rod is connected between the support frames, and the flipping devices are arranged in groups of three. The side plates are movably connected to the connecting rods through the flipping devices, and the support frames are installed on both sides of the screening screen. The flipping devices flip the accumulated materials to facilitate the screening of cement raw materials.

[0013] As a preferred technical solution of this utility model, a motor box is installed on one side of the abrasive box, and the bottom of the screen bottom plate and the bottom of the outlet screen plate are on the same horizontal line. A cylinder is inserted in the middle of the abrasive roller, and a fixing ring is fixedly sleeved on both sides of the cylinder. The flipping plate is located above the screen bottom plate. The fixing ring fixes the equipment together and makes the equipment move synchronously.

[0014] As a preferred embodiment of this utility model, the bottom of the screening screen and the top of the device box are on the same horizontal line, and the motor is inserted through one side of the device box; the screening screen performs device screening of cement raw materials.

[0015] As a preferred embodiment of this utility model, the width and height of the device box and the abrasive box are the same, and the flipping device is symmetrical about the left and right through the midpoint of the screening screen; the device box is used to process the screened material.

[0016] Compared with the prior art, this utility model provides a cement raw material fineness screening device, which has the following beneficial effects:

[0017] 1. This utility model has a flipping device set above the screening screen. The flipping device is connected to the motor through a connecting rod. The motor drives the flipping device to rotate. A side plate is set on one side of the flipping device. The side plate and the flipping device will turn over the piled cement raw material, so that the cement raw material with smaller particle size can pass through the screening device set in the screening screen. This design can prevent the cement raw material from being wasted during the screening process and ensure that the qualified cement raw material is screened by the screening device.

[0018] 2. This utility model features an abrasive box located in front of the screening screen, with an abrasive roller inside the screening box. The abrasive roller rotates via a motor housing, and a screen bottom plate is located at the lower center of the screening box. The screen bottom plate screens the cement, allowing the cement to be discharged through the outlet screen or the bottom of the abrasive box. A tilting plate is located below the abrasive roller, and the tilting plate is fixedly connected to the mounting column, fixing ring, and cylinders inserted inside the abrasive roller. The tilting plate rotates together with the abrasive roller, thereby repeatedly lifting and processing cement raw materials that do not meet the particle size standards, thus improving the utilization rate of cement raw materials. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the structural flipping device assembly of this utility model;

[0021] Figure 3 This is a schematic diagram of the abrasive box assembly of this utility model.

[0022] Figure 4 This is a schematic diagram of the structural screening mesh assembly of this utility model;

[0023] The components are: 1. Screening mesh; 11. Screen holes; 12. Motor; 13. Device box; 2. Support frame; 3. Tilting device; 31. Side plate; 32. Connecting rod; 33. Servo motor; 4. Abrasive box; 41. Abrasive roller; 42. Motor box; 43. Screen bottom plate; 44. Outlet screen; 45. Tilting plate; 46. Mounting column; 47. Fixing ring. Detailed Implementation

[0024] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0025] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Please see Figure 1 — Figure 4 In this embodiment, a cement raw material fineness screening device includes a turning device 3, a cement raw material transport turning mechanism connected between the turning devices 3, a cement fineness processing mechanism installed in front of the turning device 3, a screen mesh plate 1 with screen holes 11 embedded inside, a motor 12 provided on one side of the screen mesh plate 1, and a device box 13 provided at the bottom of the screen mesh plate 1; the bottom of the screen mesh plate 1 and the top of the device box 13 are on the same horizontal line, and the motor 12 is inserted through one side of the device box 13.

[0028] Specifically, a screening screen plate 1 is provided below the flipping device 3. Screen holes 11 are embedded inside the screening screen plate 1. The screening screen plate 1 is a transport device that is rotated by a motor 12 on one side. When rotating, the cement raw material above the screening screen plate 1 can be screened and then installed inside the device box 13 to screen cement raw material of a certain fineness.

[0029] A screening screen 1 is provided below the flipping device 3, and support frames 2 are fixedly installed on both sides of the flipping device 3.

[0030] The cement raw material transport and turning mechanism includes: a connecting rod 32 connected between the turning devices 3, a side plate 31 fixedly installed on one side of the turning device 3, and a servo motor 33 provided on one side of the connecting rod 32; the connecting rod 32 is connected between the support frames 2, and the turning devices 3 are in groups of three, the side plate 31 is movably connected to the turning device 3 and the connecting rod 32, and the support frame 2 is installed on both sides of the screening screen plate 1.

[0031] Specifically, the flipping device 3 is connected by a connecting rod 32, and support frames 2 are installed on both sides of the connecting rod 32. One side of the connecting rod 32 is inserted into the support frame 2 and connected to the servo motor 33. The servo motor 33 drives the flipping device 3 to flip. A side plate 31 is fixedly installed on one side of the flipping device 3. The synchronous movement of the side plate 31 and the flipping device 3 can flip the cement raw material piled on the screen plate 1, thereby improving the screening efficiency of the cement raw material.

[0032] The cement fineness processing mechanism includes: an abrasive box 4 installed in front of the tilting device 3; an abrasive roller 41 is installed inside the abrasive box 4; a screen bottom plate 43 is installed in the lower middle part of the abrasive box 4; an outlet screen plate 44 is embedded in front of the abrasive box 4; a tilting plate 45 is installed below the abrasive roller 41; mounting columns 46 are fixedly installed on both sides of the upper part of the tilting plate 45; and a fixing ring 47 is fixedly installed above the mounting columns 46; a motor box 42 is installed on one side of the abrasive box 4; the bottom of the screen bottom plate 43 and the bottom of the outlet screen plate 44 are on the same horizontal line; a cylinder is inserted in the middle of the abrasive roller 41; the fixing ring 47 is fixedly sleeved on both sides of the cylinder; and the tilting plate 45 is located above the screen bottom plate 43; the width and height of the device box 13 and the abrasive box 4 are the same; and the tilting device 3 is symmetrical about the midpoint of the screen plate 1.

[0033] Specifically, the grinding box 4 is equipped with an grinding roller 41 inside, with a cylinder inserted in the middle of the grinding roller 41. The grinding roller 41 is rotated by the motor box 42 to process the cement raw material. A flipping plate 45 is provided below the grinding roller 41. The flipping plate 45 is connected by a mounting column 46 and a fixing ring 47. The fixing ring 47 is fixedly sleeved on both sides of the cylinder, so that the flipping plate 45 and the grinding roller 41 rotate together. When the flipping plate 45 rotates, it can flip the cement raw material above the screen bottom plate 43 that does not meet the fineness standard, so that it can be reprocessed by the grinding roller 41, thereby improving the utilization rate of cement raw material.

[0034] In use, a screening screen plate 1 is installed on top of the device box 13. The screening screen plate 1 is rotated by a motor 12, and a number of sieve holes 11 are embedded inside the screening screen plate 1. The sieve holes 11 screen the cement raw material that meets the fineness standard, and then it is placed in the device box 13. The screening screen plate 1 is equipped with a flipping device 3, which is connected by a connecting rod 32 and rotated by a servo motor 33. When the flipping device 3 rotates, it will drive the side plate 31 on one side to rotate. The synchronous movement of the side plate 31 and the flipping device 3 can turn over the cement raw material piled on top of the screening screen plate 1, so that the piled cement raw material is turned over and screened. The cement raw material that meets the fineness standard is placed inside the device box 13, while the cement raw material that does not meet the standard enters the abrasive box through the screening screen plate 1. Inside the grinding box 4, there is an grinding roller 41. The grinding roller 41 processes and crushes the cement raw material and then discharges it through the screen bottom plate 43. The qualified cement raw material is discharged through the bottom of the grinding box 4 and the outlet screen plate 44, while the cement that still does not meet the standard is processed again through the screen bottom plate 43. A tilting plate 45 is set above the screen bottom plate 43. The tilting plate 45 is connected by a mounting column 46 and a fixing ring 47. The fixing ring 47 is fixedly sleeved on both sides of the column, so that the tilting plate 45 and the grinding roller 41 rotate together. The tilting plate 45 can rotate on all four sides of the grinding roller 41 due to the fixed connection. When the tilting plate 45 is above the grinding roller 41, the cement raw material of the device can be poured out and further processed to make its fineness meet the standard.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cement raw material fineness screening device, comprising turnover devices (3) between which cement raw material transport turnover mechanisms are connected, and in front of the turnover devices (3) cement fineness processing mechanisms are installed, characterized in that, The cement raw material conveying and overturning mechanism comprises a connecting rod (32) connected between the overturning devices (3), one side of the overturning device (3) is fixedly provided with a side plate (31), and one side of the connecting rod (32) is provided with a servo motor (33); The cement fineness processing mechanism comprises a grinding material box (4) installed in front of the overturning device (3), the inside of the grinding material box (4) is provided with a grinding roller (41), the lower middle part of the inside of the grinding material box (4) is provided with a sieve bottom plate (43), the front of the grinding material box (4) is inlaid with an outlet mesh plate (44), the lower part of the grinding roller (41) is provided with an overturning plate (45), the upper part of the overturning plate (45) is fixedly provided with a mounting column (46) on both sides, and the upper part of the mounting column (46) is fixedly provided with a fixed ring (47).

2. A cement raw meal fineness screening device according to claim 1, characterized in that, The lower part of the overturning device (3) is provided with a screening mesh plate (1), and the two sides of the overturning device (3) are fixedly provided with a support frame (2).

3. A cement raw meal fineness screening device according to claim 2, characterised in that, The inside of the screening mesh plate (1) is inlaid with a sieve hole (11), one side of the screening mesh plate (1) is provided with a motor (12), and the bottom of the screening mesh plate (1) is provided with a device box (13).

4. A cement raw meal fineness screening device according to claim 2, characterized in that, The connecting rod (32) is connected between the support frames (2), and the overturning devices (3) are grouped every three, the side plate (31) is in a movable connection relationship between the overturning device (3) and the connecting rod (32), and the support frame (2) is installed on both sides of the screening mesh plate (1).

5. A cement raw meal fineness screening device according to claim 1, characterized in that, One side of the grinding material box (4) is provided with a motor box (42), the bottom of the sieve bottom plate (43) and the bottom of the outlet mesh plate (44) are located on the same horizontal line, the middle of the grinding roller (41) is inserted with a cylinder, the fixed ring (47) is fixedly sleeved on both sides of the cylinder, and the overturning plate (45) is located above the sieve bottom plate (43).

6. A cement raw meal fineness screening device according to claim 3, characterized in that, The bottom of the screening mesh plate (1) and the upper part of the device box (13) are located on the same horizontal line, and the motor (12) is inserted on one side of the device box (13).

7. A cement raw meal fineness screening device according to claim 3, characterized in that, The width and height of the device box (13) and the grinding material box (4) are consistent, and the overturning device (3) is in a left-right symmetrical relationship through the midpoint of the screening mesh plate (1).

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