Auxiliary feeding device of cement raw material ball mill

By introducing a crushing rod and a dust suction hood into the feeding device of the cement raw material ball mill, the problems of blockage by large materials and dust pollution have been solved, ensuring smooth feeding and environmental quality, and adapting to ball mills of different heights.

CN223587277UActive Publication Date: 2025-11-25YATAI GRP YITONG CEMENT CO LTD
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Patent Information

Application Number
CN202422887349.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-25
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Existing feeding devices are prone to blockage by large pieces of material and dust pollution, which affects the smoothness of feeding and the quality of the working environment.

Method used

An auxiliary feeding device for a cement raw material ball mill was designed, comprising a crushing rod, a dust collection hood, and an angle adjustment assembly. The crushing rod pre-processes large pieces of material, the dust collection hood collects dust, and the feeding height and angle are adjusted by a hydraulic cylinder.

Benefits of technology

This enabled smooth material feeding, reduced dust pollution, improved the quality of the working environment, and enhanced the applicability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ball mill feeding, in particular to an auxiliary feeding device of a cement raw material ball mill, which comprises a base and an auger feeding machine hinged to the upper end of the base. A metal hose communicates with the left side of the upper end of the auger feeding machine, a feeding hopper communicates with the upper end of the metal hose, a rotating shaft is rotationally connected into the feeding hopper, a plurality of crushing rods are fixed to the upper end and the lower end of the rotating shaft, and a motor is fixed to the left side of the feeding hopper. The right side of the lower end of the auger feeding machine communicates with a discharging pipe, and the periphery of the discharging pipe is fixedly sleeved with an annular pipe. Cement raw materials are crushed in advance through the crushing rod, the metal hose and the discharging pipe are prevented from being blocked due to the fact that the size of the cement raw materials is too large, feeding smoothness of the auger feeding machine is guaranteed, dust flying into air is reduced, pollution of the dust to the air is effectively reduced, and the service life of the auger feeding machine is prolonged. And the working environment quality can be ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ball mill feeding technology field especially is a kind of cement raw material ball mill auxiliary feeding device. BACKGROUND

[0002] Cement raw material mainly includes limestone, clay and steel slag (iron powder). The main component of limestone is calcium oxide (CaO) and magnesium oxide (MgO), the main component of clay is silicon dioxide (SiO2) and aluminum oxide (Al2O3), and the main component of steel slag is iron oxide (Fe2O3). The production process of cement includes three processes of raw material grinding, calcination and cement production, especially the grinding of cement raw material by ball mill.

[0003] As China patent authorized announcement No. CN212831100U discloses a ball mill feeding device, relating to feeding device field, including support box, the inside of support box is provided with motor box, the inside of motor box is provided with positive and negative motor, the two sides of positive and negative motor are connected with first connecting roller. The utility model sets up driving bevel gear, driven bevel gear, positive and negative motor, connecting block, sleeve, conveyer belt and interface storehouse, controls positive and negative motor rotation, and positive and negative motor drives driving bevel gear to drive driven bevel gear rotation through first connecting roller, and driven bevel gear drives connecting block rotation through second connecting stick, and sleeve also rotates, can adjust the height of conveyer belt, adjusts the height of conveyer belt to the height suitable for interface storehouse, puts the goods and materials into transport groove, and the side of second rotating shaft is connected with rotary motor, and rotary motor drives second rotating shaft rotation, and driving shaft also rotates and transports transport groove upward through conveyer belt.

[0004] Through the above comparison file, it can be known that the prior art still has the following shortcomings: the existing feeding device generally uses an auger feeder for feeding, but the cement raw material may have large block-shaped materials before entering the auger feeder, if the large block-shaped materials are not crushed in advance, the feeding port or the discharging port of the auger feeder may be blocked, thereby affecting the feeding smoothness, and a large amount of dust is generated during discharging, if the dust is not treated in time, a large amount of dust will float in the air, which will cause the working environment quality to decrease during feeding. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of cement raw material ball mill auxiliary feeding device, it is beneficial to guarantee feeding smoothness, and it is beneficial to guarantee the working environment quality during feeding etc.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A kind of cement raw material ball mill auxiliary feeding device, including base and auger feeder, the auger feeder is hinged to the upper end of base;

[0008] The metal hose is communicated with the left side of the upper end of the screw conveyor, the upper end of the metal hose is communicated with a feeding hopper, the feeding hopper is rotatably connected with a rotating shaft, the upper and lower ends of the rotating shaft are fixedly connected with a plurality of crushing rods, the left side of the feeding hopper is fixedly connected with a motor, and the lower right side of the screw conveyor is communicated with a discharge pipe;

[0009] The outer periphery of the discharge pipe is fixedly sleeved with an annular pipe, the lower end of the annular pipe is communicated with a plurality of dust suction covers, the upper end of the screw conveyor is fixedly connected with a dust collector, and the dust collector and the annular pipe are communicated with a dust suction pipe;

[0010] The upper side of the base is provided with an angle adjusting assembly.

[0011] Further, the rotating shaft penetrates out of the left side of the feeding hopper, and the power end of the motor is connected with the left end of the rotating shaft.

[0012] Further, the feeding hopper and the base are fixedly connected with a fixed plate.

[0013] Further, the lower end of the base is rotatably connected with a plurality of rollers.

[0014] Further, the angle adjusting assembly comprises a guide shaft, a guide block and a hydraulic cylinder, the guide shaft is fixedly connected with the lower end of the screw conveyor, and the guide block is slidably sleeved with the outer periphery of the guide shaft.

[0015] Further, the hydraulic cylinder is fixedly connected with the right side of the upper end of the base, and the power end of the hydraulic cylinder is hingedly connected with the guide block.

[0016] The beneficial effects of the present application are as follows:

[0017] 1. The cement raw materials are crushed in advance by the crushing rods, so that the metal hose and the discharge pipe are prevented from being blocked due to the too large volume of the cement raw materials, and the feeding smoothness of the screw conveyor is ensured;

[0018] 2. The dust generated during discharging is sucked into the dust collector through the plurality of dust suction covers arranged on the outer periphery of the discharge pipe, so that the dust is prevented from floating into the air, the air pollution caused by the dust is effectively reduced, and the environmental quality during work is ensured;

[0019] 3. The feeding height and angle of the screw conveyor can be conveniently adjusted through the extension and retraction of the hydraulic cylinder, so that the screw conveyor is assisted in feeding the ball mill of various heights, and the applicability of the feeding device is effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the present application;

[0021] Figure 2 It is a feeding hopper internal structure schematic view of the present application;

[0022] Figure 3 The bottom view structural schematic diagram of the annular pipe of the utility model.

[0023] Mark explanation:

[0024] Base 1, auger feeder 2, feed hopper 3, metal hose 4, fixed plate 5, discharge pipe 6, hydraulic cylinder 7, guide shaft 8, guide block 9, motor 10, rotating shaft 11, crushing rod 12, dust collector 13, dust collection pipe 14, annular pipe 15, dust cover 16, roller 17. Specific implementation

[0025] In order to facilitate the understanding of those skilled in the art, the utility model is further explained below in combination with examples and drawings, and the content mentioned in the implementation manner is not a limitation on the utility model.

[0026] As shown in Figure 1 , 2 , in this embodiment, including base 1 and auger feeder 2, the auger feeder 2 is hinged on the upper end of base 1, the upper end left side of auger feeder 2 is communicated with metal hose 4, the upper end of metal hose 4 is communicated with feed hopper 3, the rotating shaft 11 is rotatably connected in feed hopper 3, a plurality of crushing rods 12 are fixed on the upper and lower ends of rotating shaft 11, the left side of feed hopper 3 is fixed with motor 10, the lower right side of auger feeder 2 is communicated with discharge pipe 6, rotating shaft 11 rotates through the left side of feed hopper 3, and the power end of motor 10 is connected with the left end of rotating shaft 11.

[0027] When the cement raw material is fed into the ball mill through the feeding device, the cement raw material is added into the feed hopper 3, in this process, the motor 10 drives the rotating shaft 11 and the crushing rod 12 to rotate. The cement raw material entering the feed hopper 3 is beaten and crushed by the crushing rod 12, and the crushed cement raw material enters the auger feeder 2 through the metal hose 4, then the working of the auger feeder 2 drives the cement raw material to be fed upward, finally the cement raw material is discharged into the ball mill through the discharge pipe 6 for the next process, and the above-mentioned advantages are that the cement raw material is crushed in advance by the crushing rod 12, which can avoid the blockage of the metal hose 4 and the discharge pipe 6 due to the too large volume of the cement raw material, thereby ensuring the smoothness of the feeding of the auger feeder 2.

[0028] As shown in Figure 1 , 3 , in this embodiment, the annular pipe 15 is fixedly sleeved on the periphery of the discharge pipe 6, a plurality of dust covers 16 are communicated with the lower end of the annular pipe 15, the dust collector 13 is fixed on the upper end of the auger feeder 2, and the dust collection pipe 14 is communicated between the dust collector 13 and the annular pipe 15.

[0029] When the cement raw materials are discharged into the ball mill through the discharge pipe 6, the dust collector 13 is started at this time, and then the dust generated during the discharging is sucked through the plurality of dust suction hoods 16, and is collected into the dust collector 13 through the annular pipe 15 and the dust suction pipe 14, so that the dust generated during the discharging is sucked into the dust collector 13 through the plurality of dust suction hoods 16 arranged on the periphery of the discharge pipe 6, which is beneficial to reduce the dust floating into the air, thereby effectively reducing the air pollution caused by the dust, and is beneficial to guarantee the environmental quality during the work.

[0030] As shown in Figure 1 In the embodiment, the base 1 is provided with an angle adjusting assembly above the base 1, the angle adjusting assembly comprises a guide shaft 8, a guide block 9 and a hydraulic cylinder 7, the guide shaft 8 is fixed to the lower end of the auger feeder 2, the guide block 9 is slidingly sleeved on the periphery of the guide shaft 8, the hydraulic cylinder 7 is fixed to the upper end of the right side of the base 1, and the power end of the hydraulic cylinder 7 is hinged to the guide block 9.

[0031] When it is necessary to adjust the feeding height and angle, the guide block 9 is driven to slide back and forth along the guide rod through the extension and retraction of the hydraulic cylinder 7, and in this process, since the auger feeder 2 is hinged to the base 1 and the guide block 9 is hinged to the power end of the hydraulic cylinder 7, the auger feeder 2 is rotated with the base 1 as the fulcrum to change the inclination angle, so that the feeding height and angle of the auger feeder 2 can be conveniently adjusted, thereby being beneficial to assist the feeding of the ball mill of various heights and effectively guaranteeing the applicability of the feeding device.

[0032] As shown in Figure 1 In the embodiment, the fixed plate 5 is fixed between the feeding hopper 3 and the base 1.

[0033] When the feeding height of the auger feeder 2 is adjusted, since the feeding hopper 3 is fixed to the fixed plate 5, the feeding hopper 3 will not be inclined during the rotation of the auger feeder 2, which is beneficial to prevent the feeding hopper 3 from being inclined together to cause the feeding inconvenience.

[0034] As shown in Figure 1 In the embodiment, the base 1 is provided with a plurality of rollers 17 rotatably connected to the lower end of the base 1.

[0035] The plurality of rollers 17 are arranged, and the rotation of the rollers 17 is convenient to drive the feeding device to be transferred.

[0036] All the technical features in the embodiment can be freely combined according to the actual needs.

[0037] The above embodiment is a preferred implementation scheme of the present application, and in addition to this, other modes of implementation are also included, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. An auxiliary feeding device for a cement raw material ball mill, comprising a base (1) and an auger feeder (2), wherein the auger feeder (2) is hinged to the upper end of the base (1), characterized in that: The upper left side of the auger feeder (2) is connected to a metal hose (4), the upper end of the metal hose (4) is connected to a feed hopper (3), a rotating shaft (11) is rotatably connected inside the feed hopper (3), several crushing rods (12) are fixed at both the upper and lower ends of the rotating shaft (11), a motor (10) is fixed on the left side of the feed hopper (3), and a discharge pipe (6) is connected to the lower right side of the auger feeder (2). The discharge pipe (6) is fixedly sleeved with an annular pipe (15), and the lower end of the annular pipe (15) is connected to several dust collection hoods (16). The upper end of the auger feeder (2) is fixed with a vacuum cleaner (13), and a vacuum cleaner pipe (14) is connected between the vacuum cleaner (13) and the annular pipe (15). An angle adjustment component is provided above the base (1).

2. The auxiliary feeding device for a cement raw material ball mill as described in claim 1, characterized in that: The rotating shaft (11) rotates through the left side of the feed hopper (3), and the power end of the motor (10) is connected to the left end of the rotating shaft (11).

3. The auxiliary feeding device for a cement raw material ball mill as described in claim 1, characterized in that: A fixing plate (5) is fixed between the feed hopper (3) and the base (1).

4. The auxiliary feeding device for a cement raw material ball mill as described in claim 1, characterized in that: The lower end of the base (1) is rotatably connected to several rollers (17).

5. The auxiliary feeding device for a cement raw material ball mill as described in claim 1, characterized in that: The angle adjustment assembly includes a guide shaft (8), a guide block (9) and a hydraulic cylinder (7). The guide shaft (8) is fixed to the lower end of the auger feeder (2), and the guide block (9) is slidably sleeved around the guide shaft (8).

6. The auxiliary feeding device for a cement raw material ball mill as described in claim 5, characterized in that: The hydraulic cylinder (7) is fixed on the upper right side of the base (1), and the power end of the hydraulic cylinder (7) is hinged to the guide block (9).

Citation Information

Patent Citations

  • Feeding device of ball mill

    CN212831100U