Crushing dustproof device for limestone processing

By installing a separation component and a bag filter in the dust control device for limestone processing, the problem of dust separation and recycling is solved, realizing the reuse of limestone and environmental purification, and reducing production costs and dust pollution.

CN224100892UActive Publication Date: 2026-04-10XIANGTAN COUNTY LIANXIANG LIME CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIANGTAN COUNTY LIANXIANG LIME CO LTD
Filing Date
2025-04-23
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing dust control devices for limestone processing are ineffective at separating and recovering dust of different particle sizes, resulting in resource waste and economic losses, while failing to effectively reduce dust pollution.

Method used

A crushing and dust control device for limestone processing was designed. By setting a separation component at the bottom of the dust collection box, the device uses a motor to drive spiral blades and a filter screen to separate dust. Larger limestone particles are returned to the crushing device for further crushing, while smaller particles are recovered via a conveyor belt. Combined with a bag filter, the device purifies the air.

Benefits of technology

This technology enables efficient recycling and reuse of limestone, reduces production costs, improves resource utilization, effectively reduces dust concentration in the working environment, protects the health of operators, and reduces environmental pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of limestone processing, and provides a crushing dustproof device for limestone processing, which comprises a limestone crushing device, the top of the limestone crushing device is connected with a dust suction pipe through an opened groove, and one end of the dust suction pipe is connected with a dust removal box; according to the utility model, the separation box at the bottom of the dust removal box is connected with the discharge port, dust falling from the dust removal box enters the separation box, the motor drives the connecting shaft and the spiral blade on the outer side to rotate, conveying power is formed above the filter screen, and large-particle limestone can be intercepted by the filter screen due to the action of the spiral blade in the moving process of the dust; the limestone is conveyed into the limestone crushing device along the filter screen to be continuously crushed, and smaller particles slide onto the conveying belt of the discharge port at the bottom of the separation box, so that the limestone is recycled, the resource waste is reduced, the production cost is reduced, and the resource utilization rate in the whole processing process is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of limestone processing technology, especially relate to a crushing dustproof device for limestone processing. BACKGROUND

[0002] Limestone is an important industrial raw material widely used in building, metallurgy, chemical industry and other fields, and its processing process is crucial. In the limestone processing industry chain, crushing is the primary and key link. Large pieces of limestone are crushed into particles that meet the subsequent processing requirements by a crusher. However, this process is accompanied by serious dust pollution problems.

[0003] The existing crushing dustproof device for limestone processing often directly sucks dust through a dust collector, which can easily suck out limestone dust of different sizes and is difficult to clean, thereby easily leading to waste of limestone and causing certain economic losses. Therefore, a crushing dustproof device for limestone processing is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The purpose of the embodiment of the utility model is to provide a crushing dustproof device for limestone processing to solve the problems raised in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A crushing dustproof device for limestone processing includes a limestone crushing device. A dust suction pipe is connected to the top of the limestone crushing device through a groove. One end of the dust suction pipe is connected to a dust removal box. A dust collector is arranged on one side of the top of the dust removal box. A dust suction machine is arranged on one side of the top of the dust removal box. A bag filter is arranged in the dust removal box. A third valve is arranged at the bottom of one end of the dust removal box.

[0007] The separation assembly includes a separation box. A motor is arranged at one end of the separation box. A connecting shaft is arranged at the output end of the motor. A spiral blade is arranged on the outer side of the connecting shaft. A filter screen is arranged in the separation box. A third valve is arranged at the bottom of one end of the separation box.

[0008] Further technical solutions, one end of the separation box is connected to one side of the limestone crushing device. The spiral blade is located above the filter screen.

[0009] Further technical solutions, the bottom of one side of the limestone crushing device is connected to a discharge port. A conveyor belt is arranged in the discharge port. The bottom of the separation box is connected to the discharge port.

[0010] Further technical solutions, the bottom of the dust removal box is provided with a discharge port. The discharge port is a rounded trapezoidal shape. The bottom of the discharge port is connected to the top of the separation box. A second valve is arranged between the separation box and the discharge port.

[0011] Further technical solutions, one end of the dust collection pipe is provided with a dust collection cover, the inside of the dust collection cover is horn-shaped, the other end of the dust collection pipe is connected with the dust removal box, and the first valve is arranged between the dust collection pipe and the dust removal box.

[0012] Further technical solutions, one side of the dust collection machine is provided with an air outlet, the air outlet is a net structure, one end of the separation box is welded with a support seat, the bottom of the motor is connected with the top of the support seat, and the bottom of the dust removal box is welded with a support frame.

[0013] Compared with the prior art, the dust collection machine has the advantages that:

[0014] The dust falling from the dust removal box enters the separation box, the motor drives the connecting shaft and the spiral blade outside to rotate, and conveying power is formed above the filter screen, under the action of the spiral blade, the larger particles of limestone are intercepted by the filter screen during movement, and are conveyed along the filter screen to the inside of the limestone crushing device for further crushing, and the smaller particles slide onto the conveying belt of the discharge port at the bottom of the separation box, so that the limestone is recycled and reused, resource waste is reduced, production cost is reduced, and resource utilization rate of the whole processing process is improved.

[0015] The dust collection pipe and the dust collection cover are arranged on the top of the limestone crushing device, dust generated in the crushing process can be efficiently collected, the inside of the dust collection cover is designed in a horn shape, the collection range of dust is increased, the raised dust can be quickly sucked into the dust collection pipe, the dust collection pipe is connected to the dust removal box, a bag-type dust collector is arranged in the dust removal box, the bag-type dust collector has very high filtering efficiency for dust, can effectively purify dust-containing air, reduces dust concentration in the working environment, protects the health of the operator, reduces pollution of the surrounding environment caused by dust emission, and meets environmental protection requirements.

[0016] In order to more clearly illustrate the structural features and effects of the utility model, the utility model will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the cross section of the dust removal box of the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the side view cross section of the main body of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the separation assembly of the utility model.

[0021] In the figure: 1, limestone crushing device; 2, dust suction pipe; 3, dust removal box; 4, dust suction machine; 5, bag dust collector; 6, separation assembly; 7, discharge port; 8, support seat; 9, support frame; 10, conveying belt; 11, first valve; 12, discharge port; 13, second valve; 14, dust hood; 15, air outlet; 601, separation box; 602, motor; 603, connecting shaft; 604, spiral blade; 605, filter screen; 606, third valve. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will be further described in detail with the help of the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0023] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0024] As shown in the figure, Figure 4 The utility model discloses a crushing dustproof device for limestone processing, which comprises a limestone crushing device 1, a dust suction pipe 2 connected to the top of the limestone crushing device 1 through a groove, a dust removal box 3 connected to one end of the dust suction pipe 2, a dust suction machine 4 arranged on one side of the top of the dust removal box 3, a bag dust collector 5 arranged in the dust removal box 3, and a separation assembly 6 arranged at the bottom of the dust removal box 3.

[0025] The separation assembly 6 comprises a separation box 601, a motor 602 arranged at one end of the separation box 601, a connecting shaft 603 arranged at the output end of the motor 602, a spiral blade 604 arranged on the outer side of the connecting shaft 603, a filter screen 605 arranged in the separation box 601, and a third valve 606 arranged at the bottom of one end of the separation box 601.

[0026] In this embodiment, the motor 602 is controlled to rotate, which can drive the connecting shaft 603 and the spiral blade 604 on the outer side to rotate, forming a conveying power above the filter screen 605. Due to the action of the spiral blade 604, the larger particles of limestone are intercepted by the filter screen 605 during the movement of the dust, and are conveyed along the filter screen 605 to the inside of the limestone crushing device 1 for further crushing. The smaller particles slide onto the conveying belt 10 of the discharge port 7 at the bottom of the separation box 601, realizing the recycling of limestone, reducing resource waste, reducing production cost, and improving the resource utilization rate of the whole processing process.

[0027] As Figure 2 , Figure 3 and Figure 4As shown, specifically, one end of the separation box 601 is connected to one side of the limestone crushing device 1 in a penetrating manner, and the helical blade 604 is located above the filter screen 605.

[0028] The bottom of one side of the limestone crushing device 1 is connected with a discharge port 7, the inside of the discharge port 7 is provided with a conveying belt 10, and the bottom of the separation box 601 is connected to the discharge port 7 in a penetrating manner.

[0029] The bottom of the dust removal box 4 is provided with a discharge port 12, the discharge port 12 is a rounded trapezoidal shape, the bottom of the discharge port 12 is connected to the top of the separation box 601 in a penetrating manner, and the second valve 13 is arranged between the separation box 601 and the discharge port 12.

[0030] One end of the dust suction pipe 2 is provided with a dust suction cover 14, the inside of the dust suction cover 14 is a horn shape, the other end of the dust suction pipe 2 is connected to the dust removal box 4 in a penetrating manner, and the first valve 11 is arranged between the dust suction pipe 2 and the dust removal box 4.

[0031] The dust suction machine 4 is provided with an air outlet 15 on one side, the air outlet 15 is a mesh structure, one end of the separation box 601 is welded with a support seat 8, the bottom of the motor 602 is connected to the top of the support seat 8, and the bottom of the dust removal box 4 is welded with a support frame 9.

[0032] In this embodiment, the dust suction pipe 2 and the dust suction cover 14 are arranged on the top of the limestone crushing device 1, so that the dust generated in the crushing process can be efficiently collected, the inside of the dust suction cover 14 is designed in a horn shape, the collection range of the dust is increased, the dust raised can be quickly sucked into the dust suction pipe 2, the dust suction pipe 2 is connected to the dust removal box 3, the bag dust collector 5 is arranged in the dust removal box 3, the dust-containing air can be effectively purified, the dust concentration in the working environment is reduced, the first valve 11 arranged between the dust suction pipe 2 and the dust removal box 3 can flexibly control the on-off of the dust suction pipeline according to the actual dust generation condition, the operation under the equipment maintenance or specific working conditions is facilitated, the second valve 13 between the bottom of the dust removal box 3 and the separation box 601 can control the amount of dust entering the separation box 601, the maintenance of the separation assembly 6 is facilitated, in addition, the bottom of the motor 602 is fixed through the support seat 8, the support frame 9 is arranged at the bottom of the dust removal box 3, so that the components are stably installed, and the daily inspection and maintenance are facilitated, and the service life of the equipment is prolonged.

[0033] The working principle of the utility model is: firstly, open the first valve 11, close the second valve 13 and the third valve 505, start the dust collector 4 and the limestone crushing device 1, so that when the limestone is crushed, the dust generated by the crushing of the limestone can be sucked into the dust removal box 3 in real time through the dust collector 4, the dust is attached to the bag-type dust collector 5, the evolved air is discharged through the air outlet 15, then when the limestone crushing is completed or a large amount of dust accumulates on the bag-type dust collector 5, the first valve 11 is closed and the second valve 13 and the third valve 606 are opened, and the pulse valve on the bag-type dust collector 5 is started at the same time, the dust on the bag-type dust collector 5 can be blown off and falls into the separation box 601, finally, the rotation of the motor 602 is controlled, the connecting shaft 603 and the spiral blade 604 on the outside can be driven to rotate, the conveying power is formed above the filter screen 605, due to the action of the spiral blade 604, the larger particles of limestone are intercepted by the filter screen 605 in the moving process, the limestone is conveyed along the filter screen 605 to the inside of the limestone crushing device 1 for further crushing, the smaller particles slide to the conveying belt 10 of the discharge port 7 at the bottom of the separation box 601, and the recycling of the limestone is realized.

[0034] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dust-preventing crushing device for limestone processing, comprising a limestone crushing device (1), characterized by: The top of the limestone crushing device (1) is connected with a dust suction pipe (2) through a groove, one end of the dust suction pipe (2) is connected with a dust removal box (3), one side of the top of the dust removal box (3) is provided with a dust suction machine (4), the inside of the dust removal box (3) is provided with a bag type dust collector (5), and the bottom of the dust removal box (3) is provided with a separation assembly (6). The separation assembly (6) comprises a separation box (601), one end of the separation box (601) is provided with a motor (602), the output end of the motor (602) is provided with a connecting shaft (603), the outer side of the connecting shaft (603) is provided with a spiral blade (604), the inside of the separation box (601) is provided with a filter screen (605), and the bottom of one end of the separation box (601) is provided with a third valve (606).

2. The crushing dust prevention device for limestone processing according to claim 1, characterized by: One end of the separation box (601) is connected with one side of the limestone crushing device (1) in a penetrating mode, and the spiral blade (604) is located above the filter screen (605).

3. The crushing dust prevention device for limestone processing according to claim 1, characterized in that: One side of the bottom of the limestone crushing device (1) is connected with a discharge port (7), the inside of the discharge port (7) is provided with a conveying belt (10), and the bottom of the separation box (601) is connected with the discharge port (7) in a penetrating mode.

4. The crushing dust prevention device for limestone processing according to claim 1, characterized in that: The bottom of the dust removal box (3) is provided with a discharge port (12), the discharge port (12) is a rounded trapezoidal shape, the bottom of the discharge port (12) is connected with the top of the separation box (601) in a penetrating mode, and the separation box (601) and the discharge port (12) are provided with a second valve (13).

5. The crushing dust prevention device for limestone processing according to claim 1, characterized in that: One end of the dust suction pipe (2) is provided with a dust suction cover (14), the inside of the dust suction cover (14) is horn-shaped, the other end of the dust suction pipe (2) is connected with the dust removal box (3) in a penetrating mode, and the dust suction pipe (2) and the dust removal box (3) are provided with a first valve (11).

6. The crushing dust prevention device for limestone processing according to claim 1, characterized in that: One side of the dust suction machine (4) is provided with an air outlet (15), the air outlet (15) is a mesh structure, one end of the separation box (601) is welded with a supporting seat (8), the bottom of the motor (602) is connected with the top of the supporting seat (8), and the bottom of the dust removal box (3) is welded with a supporting frame (9).