Limestone crusher with rotating spray disc

Abstract

The utility model discloses a limestone crusher with rotary spray disc, including the crusher box, the one end top of crusher box is provided with the feeding shovel, the bottom of the other end of crusher box is provided with the discharge shovel, is provided with the broken drum in the crusher box, the inside top of crusher box is provided with the water spray carousel, is provided with the drive mechanism at the top of water spray carousel, is provided with the universal rotation water flange joint at the top of drive mechanism, is connected with the internal water pipe between water spray carousel and universal rotation water flange joint, the upper end of universal rotation water flange joint is connected with the external water pipe. The utility model discloses through motor drive planetary gear set drive water spray carousel rotation, combines the spray head of multiple rows annular arrangement, makes the spray water form "rotary type water curtain", and the coverage area is effectively improved compared with traditional fixed type water spraying device, can comprehensively capture the dust in the crusher box, and the dust removal efficiency is improved, effectively improves the workshop environment, and protects the health of operating personnel.

Description

Technical Field

[0001] This utility model relates to the technical field of limestone processing equipment, specifically to a limestone crusher with a rotating spray disc. Background Technology

[0002] As an important building material and industrial raw material, limestone's processing involves a core step: crushing. During limestone crushing, the impact and friction of the stones generate a large amount of dust (mainly calcium carbonate powder). This dust not only permeates the production workshop and surrounding environment, causing air pollution, but can also be inhaled by operators, posing a long-term health hazard. Furthermore, dust adheres to the bearings, gears, and other transmission components inside the crusher, accelerating equipment wear, reducing its lifespan, and increasing maintenance costs. To address the dust problem, existing technologies often employ water spraying devices within the crusher. However, this approach has significant drawbacks: most spraying devices are fixed installations, only capable of spraying water at single points or in localized areas, resulting in limited coverage. For dust spreading over large areas within the crusher chamber, their dust suppression effect is significantly insufficient. While some devices attempt to increase the number of nozzles, this easily leads to water waste, and the dense nozzles are prone to clogging by limestone debris from the crushed material, affecting long-term operational stability. Therefore, developing an integrated crushing and dust removal system that offers large-area coverage, water conservation, high efficiency, and is less prone to clogging has become an urgent need in the industry.

[0003] To address these issues, this invention provides a limestone crusher with a rotating spray disc. Utility Model Content

[0004] To address the problems of small coverage area, low dust removal efficiency, and water waste in existing limestone crusher water spray dust removal devices, this utility model provides a limestone crusher with a rotating spray disc. Through the rotating spray structure and optimized crushing component design, "crushing + high-efficiency dust removal" can be carried out simultaneously, improving the dust removal effect, saving water resources, and ensuring stable equipment operation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A limestone crusher with a rotating spray disc includes a crusher housing. A feed bucket is provided at the top of one end of the crusher housing, and a discharge bucket is provided at the bottom of the other end of the crusher housing. A crushing drum is provided inside the crusher housing. A water spray disc is provided at the top of the interior of the crusher housing. A drive mechanism is provided at the top of the water spray disc. A universal rotating water flange is provided at the top of the drive mechanism. The lower half of the universal rotating water flange is placed inside the crusher housing, and the upper half is placed outside the crusher housing. The middle part of the universal rotating water flange is installed on the top wall of the crusher housing. An internal water pipe is connected between the water spray disc and the universal rotating water flange. An external water pipe is connected to the upper end of the universal rotating water flange.

[0006] Preferably, the drive mechanism includes a planetary gear set, one end of which is connected to a motor. The planetary gear set is driven to rotate by the motor. A gear ring is provided on the planetary gear set. The sidewall of the gear ring is sleeved and installed on the top of the water spray turntable, and the bottom of the gear ring is set as a closed bottom surface.

[0007] Preferably, the lower end of the universal rotating water flange joint is mounted on the top of the drive mechanism via a rotating shaft or turntable, and when the motor drives the water spray turntable to rotate, the lower end of the water supply rotating joint rotates synchronously with the internal water pipe.

[0008] Preferably, the water spray disc has a hollow internal structure, and multiple spray heads are provided at the bottom of the water spray disc. The spray heads are interconnected with the interior of the water spray disc, and the water spray disc is interconnected with an internal water pipe. The internal water pipe is interconnected with an external water pipe through a universal rotating water flange joint.

[0009] Preferably, the multiple spray heads are arranged in an array at the bottom of the water spray turntable, and the multiple rows of spray heads are arranged in a ring around the bottom of the water spray turntable.

[0010] Preferably, the number of crushing rollers is set to two, and a plurality of crushing sharp teeth are evenly arranged around the crushing rollers. The same crushing sharp teeth are arranged on the two end side walls inside the crusher box. The distance between the two crushing rollers is set as a first distance, and the distance between any crushing roller and the inner wall of the crusher box is set as a second distance. The first distance and the second distance are kept equal.

[0011] Preferably, a discharge ramp is provided at the bottom of the crusher box, and the two crushing rollers are set at different heights inside the crusher box, with the crushing roller closer to the discharge bucket being set at a lower height than the crushing roller farther from the discharge bucket.

[0012] Compared with existing technologies, the beneficial effects of this utility model are as follows: 1. The limestone crusher with a rotating spray disc described in this utility model uses a motor to drive a planetary gear set to rotate the water spray disc. Combined with multiple rows of ring-shaped spray heads, the spray water forms a "rotating water curtain". The coverage area is effectively increased compared with the traditional fixed water spray device. It can comprehensively capture the smoke and dust in the crusher box, improve the dust removal efficiency, effectively improve the workshop environment, and protect the health of operators.

[0013] 2. The limestone crusher with a rotating spray disc described in this utility model has a universal rotating water flange joint that realizes the dual functions of "rotational water supply" and "equipment sealing" to avoid water pipe entanglement or leakage; the bottom closed design of the toothed ring and the duckbill-shaped spray head reduce the risk of spray water erosion of the drive mechanism and debris clogging the spray head, thus reducing the equipment failure rate. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the bottom structure of the water spray turntable of this utility model.

[0015] Figure 3 This is a schematic diagram of the drive mechanism structure of this utility model.

[0016] In the diagram: 1. Crusher box; 2. Feed bucket; 3. Discharge bucket; 4. Crushing drum; 5. Water spray turntable; 6. Universal rotating water flange joint; 7. Internal water pipe; 8. External water pipe; 9. Planetary gear set; 10. Motor; 11. Gear ring; 12. Spray head; 13. Crushing teeth; 14. Discharge ramp. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figures 1 to 3As shown, this utility model provides a limestone crusher equipped with a rotating spray disc. The crusher housing 1 has a feed bucket 2 at one top and a discharge bucket 3 at the other bottom. A crushing drum 4 is installed inside the crusher housing 1, and a water spray disc 5 is installed on top. A drive mechanism is installed on the top of the water spray disc 5, and the top of the drive mechanism is connected to a universal rotating water flange joint 6. The lower half of this joint is placed inside the crusher housing 1, the upper half is located outside the crusher housing 1, and the middle part is fixed to the top wall of the crusher housing 1. The water spray disc 5 and the universal rotating water flange joint 6 are connected by an internal water pipe 7, and the upper end of the joint is connected to an external water pipe 8. When limestone enters the crusher housing 1 through the feed bucket 2, the crushing drum 4 begins to rotate to decompose the limestone, and at the same time, the water spray disc 5 starts, operating in a rotating and spraying water mode. Thanks to the rotation effect of the water spray disc 5, the sprayed water can achieve large-area diffusion, thereby significantly improving the efficiency and effectiveness of ash and dust removal.

[0019] Specifically, the drive mechanism includes a built-in planetary gear set 9. One end of the planetary gear set 9 is connected to the motor 10, which drives its rotation. The planetary gear set 9 has a gear ring 11, the sidewall of which is fitted and fixed to the top of the water spray disc 5, achieving a stable connection. When the motor 10 starts rotating, the gear ring 11 drives the entire water spray disc 5 to rotate synchronously. Furthermore, the bottom of the gear ring 11 is designed as a closed surface to ensure sealing and prevent water accumulation inside the water spray disc 5 from adversely affecting the planetary gear set 9. Driven by the planetary gear set 9, not only can a speed-changing function be provided according to actual needs, but the rotational stability of the water spray disc 5 is also ensured, with high transmission efficiency.

[0020] The lower end of the universal rotary water flange joint 6 is mounted on top of the drive mechanism via a rotating shaft or turntable, thus enabling it to rotate independently. When the motor 10 drives the water spray turntable 5 to rotate, the lower end of the water supply rotary joint rotates synchronously with the internal water pipe 7. That is, these two components can operate independently or move synchronously, ensuring consistency of action.

[0021] The water spray disc 5 has a hollow interior design, with multiple spray heads 12 at its bottom. These spray heads 12 are interconnected with the interior of the disc, which in turn is connected to an external water pipe via an internal water pipe 7. The internal water pipe 7 is seamlessly connected to the external water pipe 8 via a universal rotating water flange joint 6. The external water pipe 8 can be connected to external water supply equipment, such as a water pump, to achieve the desired water supply effect; details will not be elaborated here. When external water is introduced through the external water pipe 8, the water enters the internal water pipe 7 via the universal rotating water flange, then flows into the interior of the water spray disc 5, and finally sprays out from the spray heads 12.

[0022] The spray heads 12 are arranged in a row at the bottom of the water spraying disc 5, and multiple rows of spray heads 12 are arranged in a ring around the bottom of the disc to ensure the uniformity and diffusion of the water spray.

[0023] Two crushing rollers 4 are provided, each with multiple crushing teeth 13 evenly arranged around its perimeter. The same crushing teeth 13 are also arranged on the two end side walls inside the crusher housing 1. The distance between the two crushing rollers 4 is set as a first distance, and the distance between any crushing roller 4 and the inner wall of the crusher housing 1 is set as a second distance, with the first distance and the second distance being equal. These crushing teeth 13 effectively assist the crushing rollers 4, improving the decomposition efficiency of limestone.

[0024] The bottom of the crusher housing 1 is equipped with a discharge ramp 14, and the two crushing rollers 4 are positioned at different heights inside the housing. The crushing roller 4 closer to the discharge bucket 3 is positioned lower, while the crushing roller 4 further away from the discharge bucket 3 is positioned higher. The design of the discharge ramp 14 allows the decomposed limestone to flow smoothly out of the discharge bucket 3 under gravity. Simultaneously, due to the height difference between the two crushing rollers 4, the lower roller better assists in guiding the limestone out of the discharge bucket 3, thus significantly improving the overall functionality of the crushing roller 4. The synergistic structure of "double crushing rollers 4 + sidewall sharp teeth," combined with an equal spacing design, subjects the limestone to multi-directional compression and impact forces during crushing, improving the uniformity of the crushed stone particle size. The staggered roller arrangement, combined with the discharge ramp 14, prevents stone accumulation inside the housing, thereby increasing the discharge speed.

[0025] Working principle: Before starting the equipment, check the water supply pressure of the external water pipe 8 (such as adjusting it to 0.3-0.5MPa) and the connection status of each component; pour the limestone to be crushed (such as particle size ≤30cm) into the crusher box 1 through the feed bucket 2. The stone slides down into the gap between the two crushing drums 4 and between the drum and the side wall under the action of gravity. The motor 10 and external water pump are started. The motor 10 drives the planetary gear set 9 to rotate, which in turn drives the water spray turntable 5 to rotate through the gear ring 11. At the same time, the water pump sends water through the external water pipe 8, the universal rotating water flange joint 6, and the internal water pipe 7 into the hollow cavity of the water spray turntable 5. The water then forms a rotating water curtain through the spray head 12 at the bottom, covering the crushing area. The two crushing rollers 4 rotate, and the crushing sharp teeth 13 on the surface cooperate with the sharp teeth on the side wall to squeeze and crush the limestone. The dust generated during the crushing process is captured by the rotating water curtain, forming dust-laden water droplets that fall to the discharge inclined platform 14. The crushed limestone (e.g., particle size ≤ 5cm) slides along the gaps between the rollers of different heights to the discharge inclined platform 14 under the action of gravity, and slides to the discharge bucket 3 according to the inclination angle of the inclined platform, and is finally discharged from the equipment. The dust-laden water droplets are discharged simultaneously with the stone. The stone and wastewater can be separated by screening equipment. The wastewater can be recycled for spraying after sedimentation and filtration, further saving water resources.

[0026] In summary, this utility model provides a limestone crusher with a rotating spray disc. The motor 10 drives the planetary gear set 9 to rotate the water spray disc 5. Combined with multiple rows of annularly arranged spray heads 12, the sprayed water forms a "rotating water curtain," effectively increasing the coverage area compared to traditional fixed water spray devices. This comprehensively captures dust within the crusher chamber 1, improving dust removal efficiency, effectively improving the workshop environment, and protecting the health of operators. It is suitable for small and medium-sized building stone quarries, cement plants, lime kilns, and other places requiring limestone crushing, especially suitable for areas with high environmental protection requirements (e.g., dust emission concentration ≤10mg / m³). It can be used independently as limestone crushing equipment or combined with screening machines, conveyors, etc., to form a limestone processing production line, improving the overall environmental friendliness and efficiency of production.

[0027] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art, after reading this specification, can make modifications, substitutions, variations, and various choices and changes to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, variations, and choices and changes are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A limestone crusher with a rotating spray disc, comprising: A crusher box (1) is provided with a feeding bucket (2) at the top of one end of the crusher box (1) and a discharge bucket (3) at the bottom of the other end of the crusher box (1). A crushing drum (4) is provided inside the crusher box (1). The crusher box (1) is characterized by having a water spray turntable (5) at the top of the interior of the crusher box (1), a driving mechanism at the top of the water spray turntable (5), and a universal rotating water flange joint (6) at the top of the driving mechanism. The lower half of the universal rotating water flange joint (6) is placed inside the crusher box (1), and the upper half is placed outside the crusher box (1). The middle part of the universal rotating water flange joint (6) is installed on the top wall of the crusher box (1). An internal water pipe (7) is connected between the water spray turntable (5) and the universal rotating water flange joint (6). An external water pipe (8) is connected to the upper end of the universal rotating water flange joint (6).

2. A limestone crusher with a rotating spray disc according to claim 1, characterized in that, The drive mechanism includes a planetary gear set (9) which is connected to a motor (10) at one end. The planetary gear set (9) is driven to rotate by the motor (10). A gear ring (11) is provided on the planetary gear set (9). The side wall of the gear ring (11) is fitted and installed on the top of the water spray turntable (5), and the bottom of the gear ring (11) is set as a closed bottom surface.

3. A limestone crusher with a rotating spray disc according to claim 2, characterized in that, The lower end of the universal rotating water flange joint (6) is mounted on the top of the drive mechanism via a rotating shaft or turntable. When the motor (10) drives the water spray turntable (5) to rotate, the lower end of the water supply rotating joint rotates synchronously with the inner water pipe (7).

4. A limestone crusher with a rotating spray disc according to claim 3, characterized in that, The water spray turntable (5) has a hollow structure inside. Multiple spray heads (12) are provided at the bottom of the water spray turntable (5). The spray heads (12) are connected to the inside of the water spray turntable (5). The water spray turntable (5) is connected to the inner water pipe (7). The inner water pipe (7) is connected to the outer water pipe (8) through a universal rotating water flange joint (6).

5. A limestone crusher with a rotating spray disc according to claim 4, characterized in that, Multiple spray heads (12) are arranged in an array at the bottom of the water spray turntable (5), and multiple rows of spray heads (12) are arranged in a ring around the bottom of the water spray turntable (5).

6. A limestone crusher with a rotating spray disc according to claim 1, characterized in that, The number of the crushing rollers (4) is set to two. Multiple crushing teeth (13) are evenly arranged around the crushing rollers (4). The same crushing teeth (13) are arranged on the two side walls inside the crusher box (1). The distance between the two crushing rollers (4) is set as the first distance. The distance between any crushing roller (4) and the inner wall of the crusher box (1) is set as the second distance. The first distance and the second distance are equal.

7. A limestone crusher with a rotating spray disc according to claim 6, characterized in that, The bottom of the crusher box (1) is provided with a discharge ramp (14). The two crushing rollers (4) are set at different heights inside the crusher box (1). The crushing roller (4) near the discharge bucket (3) is set at a lower height than the crushing roller (4) away from the discharge bucket (3).

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