Dust removal device of cone crusher

Abstract

A dust removal device for a cone crusher comprises a crusher body, a crusher feeding hopper dust removal cylinder, a dust removal cavity, a feeding hopper connecting dust removal pipeline, a dust removal main pipeline, a crusher connecting dust removal pipeline and the like. Aiming at the situation that a gap exists between a cone crusher body and a concrete foundation and the cone crusher body and the concrete foundation move relatively, dust accumulated in the gap due to leakage from a central bearing part of a crusher base is difficult to remove in time, a novel flexible high-temperature-resistant elastic sealing material which is processed into a wavy thin wall is adopted; and a sealed dust removal cavity is formed at the bottom of the crusher. When the crusher body and the ground generate relative displacement, the wave-shaped folds of the elastic wall can buffer the relative movement of the body and the base and realize the sealing of the sealing cavity, so that dust in the sealing cavity is removed through the lower dust removal pipeline in a negative pressure suction manner while dust on the base is prevented from diffusing into the environment; and a good dust removal effect and economic benefits are obtained.

Description

Technical Field

[0001] The invention relates to the technical field of cone crushers and is a dust removal device for cone crushers. Technical Background

[0002] A cone crusher is a type of crushing equipment used in industries such as metallurgy, construction, and chemicals. An electric motor drives the eccentric sleeve to rotate, causing the moving cone to swing inside the sleeve, forming a conical crushing chamber. The raw material is crushed by the extrusion and impact force between the moving and fixed cones. Existing cone crushers generate a large amount of dust particles during use. Excessive dust in the working environment is inhaled into the airways, causing various diseases and posing a significant threat to the health of workers on site. Furthermore, dust particles floating in the factory can easily enter the cone crusher's lubrication system through gaps, causing the lubrication system to malfunction and resulting in significant economic losses. Therefore, upgrading the dust removal system of this type of cone crusher is an urgent issue that needs to be addressed.

[0003] Dust is mainly generated in two places near the particle cone crusher, one is the feed hopper part, and the other is the gap between the crusher base and the concrete foundation. Due to the certain height difference between the ore conveyor belt and the feed hopper, a large amount of flying dust particles will be generated due to mutual collision when the ore falls into the feed hopper; since the cone crusher adopts an eccentric sleeve to grind the ore, the crusher body has the inertia of relative movement with respect to the ground, so it is necessary to set a spring between the crusher base and the concrete foundation to buffer the relative movement between the two, which inevitably produces a certain gap. The sealing degree of the bearing part in the center of the crusher base is limited, and dust can easily leak out from the bearing gap. The gap between the base and the concrete foundation is narrow and difficult to clean in real time. In addition, there is relative movement between the two edges of the gap, making it difficult to form a stable closed space at the gap for negative pressure suction and dust removal, resulting in a large amount of dust accumulation on the ground platform between the gaps. Utility Model Content

[0004] Technical problems to be solved

[0005] The purpose of this patent is to provide a dust removal device for a cone crusher that is in relative motion with the ground, aiming to improve the dust dispersion in the cone crusher feed hopper and the dust accumulation in the base gap, and prevent dust from drifting into the factory air, thereby affecting the working environment of the crushing workshop.

[0006] Technical Solution

[0007] This patent provides the following technical solution: The present invention proposes a new dust removal device for a cone crusher, the structure of which includes a cone crusher body, a dust removal chamber between the crusher base and the concrete foundation, a pair of pliers-shaped extended dust removal arms, a feed hopper dust removal cylinder, a dust removal pipe connected to the feed hopper, a dust removal main pipe, and a dust removal pipe connected to the bottom of the crusher.

[0008] When the ore is conveyed into the feed hopper, the dust generated by the impact is separated from the outside by the dust collector of the feed hopper and is sucked into the dust collecting hoods on both sides of the dust collector of the feed hopper, reducing the leakage of the splashed dust and thus improving the dust removal efficiency.

[0009] The gap between the crusher base and the concrete foundation is surrounded by an elastic wall of the dust removal chamber processed into a wavy thin wall. The elastic wall of the dust removal chamber is connected to the edge of the crusher base and the concrete foundation through connecting bolts. The enclosed space formed is called the dust removal chamber. When the crusher body and the ground are relatively displaced, the stretching and compression of the wavy folds of the elastic material buffer the relative movement and realize the sealing of the sealing chamber to prevent dust from escaping into the factory air. The dust removal pipe connected to the crusher sucks the dust generated in the dust removal chamber through negative pressure, thereby achieving the purpose of dust removal for the cone crusher base.

[0010] The dust removal device of the cone crusher connects the dust removal pipe connected to the feed hopper above the cone crusher with the dust removal pipe connected to the crusher through the same dust removal main pipe. The dust removal main pipe is connected to a remote gas-liquid suction dust collector. The dust generated in the two parts is sucked into the dust collector through suction, thereby simplifying the pipes in the system and improving the dust removal effect.

[0011] Preferably, the dust removal device of the cone crusher can be used for a cone crusher that generates relative motion with the ground, and there is a gap between the base of the cone crusher and the concrete foundation. The elastic device can form a closed cavity while adapting to the mutual motion of the two planes, and remove dust between the crusher base and the concrete by suctioning the dust in the sealed dust removal cavity through negative pressure while preventing dust from escaping.

[0012] Preferably, the elastic wall material of the dust removal chamber of the cone crusher is FX-2 fluororubber.

[0013] Preferably, the elastic wall of the dust removal chamber of the cone crusher is processed into a transverse wavy wall, and the wavy folds are stretched to adapt to the relative movement of the cone crusher body and the concrete foundation, thereby achieving relative sealing of the dust removal chamber.

[0014] Preferably, the feed hopper dust removal cylinder of the cone crusher is made of 304 stainless steel.

[0015] Preferably, the parallel scheme of the cone crusher dust removal pipe connects the feed hopper dust removal pipe and the crusher dust removal pipe to the same dust removal main pipe, and a gas-liquid suction dust collector is connected to the end of the dust removal main pipe. The dust from the feed hopper and the base is sucked into the main pipe through negative pressure suction, thereby simplifying the system pipes. Beneficial effects

[0016] Compared with the existing technology, this device is designed with a technical solution of negative pressure suction dust removal for the gap between the base of the cone crusher and the concrete foundation, which solves the problem that dust accumulation in the gap between the base of the cone crusher and the concrete foundation cannot be removed in time due to the relative movement between this type of cone crusher and the ground, thereby preventing pollution of the crushing workshop environment. The elastic material that constitutes the dust removal chamber at the bottom of the cone crusher is connected to the crusher's external line pipe and the bottom dust removal pipe through a soft elastic material with a shape transition effect, which ensures the relative movement of the cone crusher while maintaining the airtightness of the dust removal chamber.

[0017] The dust removal system of the present invention was applied to a cone crusher in a mineral processing workshop. The pressure and wind speed data of the gas-liquid entrainment dust collector and the dust removal chamber are shown in Table 1.

[0018] Frequency / Hz Dust collector inlet pressure / Pa Dust removal chamber internal pressure / Pa Wind speed inside dust removal chamber / m / s 35 -984 -436 17.98 40 -1180.9 -628.7 20.47 45 -1408.9 -640.6 24.22

[0019] Table 1. Frequency, pressure, and wind speed of the gas-liquid entrainment dust collector and the dust collection chamber

[0020] This shows that when the dust collector is working, a certain negative pressure is formed inside the dust removal chamber at the bottom of the cone crusher, achieving a good sealing effect. The dust concentration near the base of the cone crusher is measured to drop from 8 mg / nm³ to 1.56 mg / nm³, proving that the negative pressure suction effect has achieved a good dust removal effect on the base, greatly improving the environment of the mineral processing workshop and achieving good economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the overall structure

[0022] Figure 2 Dust removal chamber cross-section

[0023] Figure 3 Partial view of the dust removal chamber

[0024] Figure 4 Left view of the dust removal chamber of the cone crusher

[0025] Figure 5 A top view of the feed hopper dust removal system

[0026] Figure 6 This is the front view of the feeding hopper dust removal device

[0027] Figure 7 This is the internal dust removal effect diagram of the feed hopper dust removal cylinder

[0028] In the figure: 1. Dust removal cylinder of the feed hopper; 2. Dust removal main pipeline; 3. Crusher body; 4. Feed hopper; 5. Crusher base; 6. Elastic wall of the dust removal chamber; 7. Concrete foundation; 8. Dust removal pipeline connected to the bottom of the crusher; 9. Dust removal pipeline connected to the feed hopper; 10. Dust removal arm; 11. Dust collection hood; 12. Elastic ring; 13. Connecting bolts; 14. Gas-liquid suction dust collector; 15. Connection between the dust removal arm and the dust collection hood; 16. Dust removal chamber. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, implementation purposes and characteristics adopted by the present invention easier to understand, the content of this invention will be further elaborated in detail with reference to the drawings of specific implementation methods. The embodiments and descriptions are only used to illustrate the principles and methods of the present invention. This patent will also have various changes and improvements, which are all within the scope of the invention to be protected. The scope of protection of this patent is defined by the attached claims and their equivalents.

[0030] like Figure 1-6 As shown, a dust removal device for a cone crusher includes a feed hopper dust removal cylinder 1, a dust removal main pipe 2, a crusher body 3, a feed hopper 4, a crusher base 5, a dust removal chamber elastic wall 6, a concrete foundation 7, a crusher dust removal pipe 8, a feed hopper dust removal pipe 9, a pair of dust removal arms 10 extending from the feed hopper dust removal pipe 9 in a clamp-like bifurcation, an elastic ring 12, a gas-liquid suction dust collector 14, and a dust removal chamber 16. In view of the fact that dust is easily accumulated in the gap between the cone crusher base and the concrete foundation and that the cone crusher and the concrete foundation 7 have relative motion, a dust removal chamber elastic wall 6 processed into a wave-shaped fold is used to connect the cone crusher to the concrete foundation. The dust removal chamber elastic wall 6 is connected to the concrete foundation by a wavy fold. The bolts 13 are connected to the edge of the crusher base 5 and the concrete foundation 7, forming a closed dust removal chamber 16 between the crusher base 5 and the concrete foundation 7, effectively sealing the dust in the dust removal chamber 16 and reducing the pollution of the dust to the factory environment. The dust removal pipe 8 connected to the bottom of the crusher is fixed to the concrete foundation 7 by the connecting bolts 13. When the wall of the dust removal chamber 16 is connected to the dust removal pipe 8 connected to the bottom of the crusher, the wrinkled outer wall makes it difficult to achieve complete sealing with the smooth surface of the cylindrical pipe. Therefore, an elastic ring 12 made of the same material as the wall of the dust removal chamber 16 is hot-melt connected to the elastic wall 6 of the dust removal chamber as a transition part between the dust removal chamber 16 and the dust removal pipe 8 connected to the bottom of the crusher to ensure that it is completely sealed.

[0031] A square cylindrical feed hopper dust collector 1 made of stainless steel is fixed on the square feed hopper 4 of the crusher. The feed hopper dust collector 1 consists of two funnel-shaped dust collecting covers 11 placed opposite to each other. The dust collecting covers 11 are connected to a pair of dust collecting arms 10 extending from the clamp-like bifurcated feed hopper dust collecting pipe 9 through the connecting parts 15 of the dust collecting arms and the dust collecting covers. The dust sucked in by the dust collecting covers on both sides enters the two dust collecting arms 10 respectively. Figure 7 As shown, they finally converge into the dust removal pipe 9 connected to the feeding hopper. The cylindrical feeding hopper dust removal tube 1 can fully prevent the flying dust from entering the mineral processing workshop environment, and the dust collecting hood 11 can increase the absorption efficiency of the dust dispersed in the air.

[0032] The dust removal pipe 8 connected to the crusher described in the present invention is directly connected to the dust removal chamber 16 of the crusher base, the dust removal pipe 9 connected to the dust collection tube 1 of the crusher feed hopper, the dust removal pipe 9 connected to the dust collection tube 1 of the crusher feed hopper and the dust removal pipe 8 connected to the crusher are connected to the same dust removal main pipe 2, and the other end of the dust removal main pipe 2 is connected to the gas-liquid suction dust collector 14. The gas-liquid suction dust collector 14 forms a negative pressure at the dust removal chamber 16 of the crusher base and the dust collection tube 1 of the feed hopper, so that the dust floating in the air is sucked into the two pipes, and after merging into the dust removal main pipe 2, it enters the gas-liquid suction dust collector 14 for processing.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description. It is intended that all variations within the meaning and range of equivalents of the claims be encompassed within the present invention, and any reference numerals in the claims should not be construed as limiting the claims to which they relate.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any minor modifications, equivalent replacements and improvements made to the above embodiments based on the technical essence of the present invention should be included in the scope of protection of the technical solution of the present invention.

Claims

1. A dust removal device for a cone crusher, comprising a crusher body (3), a feed hopper (4), a crusher base (5), and a concrete foundation (7), characterized in that: The utility model also includes a feeding hopper dust removal cylinder (1), a dust removal main pipe (2), a dust removal cavity elastic wall (6), a crusher dust removal pipe (8), a feeding hopper dust removal pipe (9), a gas-liquid entrainment dust collector (14), and a dust removal cavity (16). The dust removal cavity elastic wall (6) is connected to the crusher base (5) and the concrete foundation (7) through a connecting bolt (13), and a closed dust removal cavity (16) is formed between the crusher base (5) and the concrete foundation (7). The crusher dust removal pipe (8) is connected to the dust removal cavity (16), the feeding hopper dust removal pipe (9) is connected to the feeding hopper dust removal cylinder (1), the feeding hopper dust removal pipe (9) and the crusher dust removal pipe (8) are connected to the same dust removal main pipe (2), and the other end of the dust removal main pipe (2) is connected to the gas-liquid entrainment dust collector (14).

2. The dust removal device of a cone crusher according to claim 1, characterized in that: A pair of dust removal arms (10) extending from a clamp-like bifurcation connected to the feed hopper dust removal pipe (9) is provided. The feed hopper dust removal cylinder (1) is composed of two funnel-shaped dust collecting covers (11) placed opposite to each other. The dust collecting covers (11) are respectively connected to a pair of dust removal arms (10) extending from a clamp-like bifurcation connected to the feed hopper dust removal pipe (9).

3. The dust removal device of a cone crusher according to claim 1, characterized in that: The elastic wall (6) of the dust removal chamber is a wavy wall in the transverse direction.

4. The dust removal device of a cone crusher according to claim 1, characterized in that: It also includes an elastic ring (12) which is thermally connected to the elastic wall (6) of the dust removal chamber and serves as a transition portion between the dust removal chamber (16) and the dust removal pipe (8) connected to the bottom of the crusher.

5. The dust removal device of any cone crusher according to any one of claims 1 to 4, characterized in that: The elastic wall (6) of the dust removal chamber is made of FX-2 fluororubber, which is processed into a transverse wavy thin wall of about 3-4 mm.

6. The dust removal device of a cone crusher according to claim 5, characterized in that: The dust collecting cylinder (1) of the cone crusher's feed hopper is made of 304 stainless steel.

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