Crushing device for preparing asphalt concrete containing tailing slag

Abstract

The utility model relates to the technical field of asphalt concrete preparation, and discloses a crushing device for preparing asphalt concrete containing tailing slag, which comprises a crushing machine main body, a dust falling mechanism is arranged at the top of the crushing machine main body, the dust falling mechanism comprises a lifting frame, the lifting frame is fixedly connected to the top of the crushing machine main body, and the lifting frame is fixedly connected to the top of the crushing machine main body. The top of the lifting frame is fixedly connected with a dust collection frame, and a dust falling plate is fixedly installed on the front face of the lifting frame. Through the design of the suction fan main body, dust overflowing from the top of the crusher main body during crushing of mineral aggregates can be sucked, air containing the dust can be conveyed into the inner cavity of the dust falling plate from the flow dividing holes, meanwhile, through the design of the pump, external water can be extracted, and then the water is conveyed into the inner cavity of the water pipe, so that the dust falling effect of the crusher main body is improved. And then the dust is output from the atomization spray head, dust in the dust falling plate is subjected to dust falling treatment, and the problem that the dust severely harms the air environment is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt concrete preparation, and in particular to a crushing device for preparing asphalt concrete containing tailings. Background Art

[0002] Asphalt concrete, a mixture of mineral mixture and asphalt binder, is a primary material for modern road pavement structures and is widely used on various road surfaces, particularly high-speed ones. Asphalt concrete pavements offer excellent mechanical properties and road performance, a smooth, seamless surface, low vibration and noise reduction, comfortable driving, and high traffic safety. Furthermore, asphalt pavements can recycle pavement materials, making them a popular choice among designers and builders in highway construction. Adding tailings to the asphalt concrete process not only fully utilizes non-renewable resources and increases their added value, but also addresses the issue of tailings discharge. Crushing equipment is used to process the raw materials during the asphalt concrete preparation process.

[0003] A Chinese patent discloses an aggregate crushing device for preparing permeable concrete, with publication number CN218689770U. The technical solution disclosed in the patent document is as follows: it includes a shell, the lower end of the shell is fixedly connected to a support frame, a motor is installed on the shell, a crushing roller is rotatably connected to the shell through a bearing, the crushing roller is transmission-connected to the motor, mounting grooves are provided on both sides of the shell, and moving blocks can be inserted into both mounting grooves. A moving mechanism is provided between the two moving blocks, and the crushing roller is located between the two moving blocks.

[0004] In order to solve the problem of not being able to crush aggregates of different specifications, the existing technology adopts the method of designing adjustable moving blocks for processing, but there is still a situation where dust reduction treatment cannot be performed. During the process of crushing the mineral materials with this structure, smoke and dust will overflow from the top of the shell, and the smoke and dust will affect the air environment quality near the device, which needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a crushing device for preparing asphalt concrete containing tailings, so as to solve the problem in the prior art that the smoke and dust generated by crushing cannot be processed.

[0006] The utility model provides the following technical solutions: a crushing device for preparing asphalt concrete containing tailings, comprising a crusher main body, a dust reduction mechanism provided on the top of the crusher main body, the dust reduction mechanism comprising a lifting frame, the lifting frame being fixedly connected to the top of the crusher main body, the top of the lifting frame being fixedly connected to a dust suction frame, the front of the lifting frame being fixedly installed with a dust reduction plate, the front of the dust reduction plate being fixedly connected with a suction fan main body, a diverter sleeve being fixedly installed between the front and back sides of the inner wall of the dust reduction plate, a diverter hole being provided on the right side of the diverter sleeve, a water pipe being fixedly installed on the right side of the diverter sleeve, the top and bottom of the water pipe being fixedly connected with an atomizing nozzle, a pump being fixedly installed at the bottom of the dust reduction plate, the output pipe of the pump extending into the inner cavity of the dust reduction plate and fixedly connected to the right side of the water pipe, and the bottom of the dust reduction plate being threadedly connected with a water filter cartridge.

[0007] As a preferred embodiment of the above technical solution, side wing ducts are fixedly installed on both sides of the inner wall of the dust collection frame, an arc-shaped bar is fixedly installed on the top of the side wing duct, a circular barrier net is fixedly installed on the bottom of the inner wall of the side wing duct, and the two sides of the arc-shaped bars away from each other are fixedly connected to the suction pipe.

[0008] As a preferred embodiment of the above technical solution, a primary filter bin is fixedly installed on the left side of the lifting frame, an inclined plate is fixedly installed on the inner wall of the primary filter bin, a primary filter inclined net is fixedly installed on the inner wall of the inclined plate, and a vertical rod is fixedly installed on the top of the inclined plate.

[0009] As a preferred embodiment of the above technical solution, a fixed block is fixedly installed on the top of the vertical rod, the fixed block is fixedly installed on the right side of the inner wall of the primary filter bin, the bottom of the fixed block is fixedly connected to an elastic member, and the bottom of the elastic member is fixedly connected to a gate plate.

[0010] As a preferred embodiment of the above technical solution, the gate plate is slidably connected to the outer wall of the vertical rod, the right side of the gate plate is movably connected to the right side of the inner wall of the primary filter bin, a return trough is provided on the right side of the primary filter bin, and a long trough with the same specifications as the return trough is provided on the left side of the crusher body.

[0011] As a preferred embodiment of the above technical solution, a pulling handle is welded to the top of the gate plate, the top of the pulling handle extends to the top of the crusher body, and the end of the suction pipe away from the side pipe is fixedly connected to the top of the primary filter bin.

[0012] As a preferred embodiment of the above technical solution, a transfer air pipe is fixedly connected to the bottom of the primary filter bin, and one end of the transfer air pipe away from the primary filter bin is fixedly connected to the front of the suction fan body.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model can absorb the dust overflowing from the top of the crusher body when the crusher body crushes the mineral materials through the design of the suction fan body, and the air containing dust will be transported to the inner cavity of the dust reduction plate from the diversion hole. At the same time, the design of the pump can extract the external water body, and the water body is then transported to the inner cavity of the water pipe, and then output from the atomizing nozzle to perform dust reduction treatment on the dust inside the dust reduction plate, thereby avoiding the problem that dust will cause serious damage to the air environment and improving the environmental protection of the structure. At the same time, the water filter cartridge can filter the water body after dust reduction and filter out impurities in its inner cavity, which is convenient for users to recycle the water body and reduce the waste of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a structural diagram of the utility model in which the left side wing pipe is separated from the dust collection frame;

[0017] Figure 3 This is a schematic diagram of the internal structure of the primary filter bin of the utility model;

[0018] Figure 4 for Figure 3 A magnified view of the structure at point A;

[0019] Figure 5 This is a schematic diagram of the internal structure of the dust suppression plate of the present invention.

[0020] In the figure: 1. Crusher body; 2. Dust suppression mechanism; 21. Lifting frame; 22. Dust suction frame; 221. Side duct; 222. Arc bar; 223. Round barrier net; 224. Intake pipe; 23. Primary filter bin; 231. Inclined plate; 232. Primary filter inclined net; 233. Transfer air pipe; 234. Vertical rod; 235. Fixed block; 236. Elastic part; 237. Gate; 238. Return chute; 239. Pull handle; 24. Dust suppression plate; 241. Suction fan body; 242. Diverter sleeve; 243. Diverter hole; 244. Water pipe; 245. Atomizing nozzle; 246. Pump; 247. Water filter cartridge. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] like Figure 1-Figure 5As shown, the utility model provides a technical solution: a crushing device for preparing asphalt concrete containing tailings, comprising a crusher main body 1, a dust reduction mechanism 2 is provided on the top of the crusher main body 1, the dust reduction mechanism 2 comprises a lifting frame 21, the lifting frame 21 is fixedly connected to the top of the crusher main body 1, a dust suction frame 22 is fixedly connected to the top of the lifting frame 21, a dust reduction plate 24 is fixedly installed on the front of the lifting frame 21, a suction fan main body 241 is fixedly connected to the front of the dust reduction plate 24, a diverter sleeve 242 is fixedly installed between the front and back of the inner wall of the dust reduction plate 24, a diverter hole 243 is opened on the right side of the diverter sleeve 242, a water pipe 244 is fixedly installed on the right side of the diverter sleeve 242, the top and bottom of the water pipe 244 are fixedly connected to an atomizing nozzle 245, and a pump is fixedly installed on the bottom of the dust reduction plate 24 246. The output pipe of the pump 246 extends into the inner cavity of the dust reduction plate 24 and is fixedly connected to the right side of the water pipe 244. The bottom of the dust reduction plate 24 is threadedly connected with a water filter cartridge 247 to control the operation of the suction fan body 241. It can absorb the dust overflowing from the top when the crusher body 1 crushes the mineral materials and transport it to the dust reduction plate 24. The input pipe of the pump 246 is pre-connected to the external water source, and the pump 246 is controlled to work at the same time to extract the external water body and output the water body from the atomizing nozzle 245 to reduce the dust inside the dust reduction plate 24. The water filter cartridge 247 can filter the water body after dust reduction and filter out impurities in its inner cavity, which is convenient for users to recycle the water body. The user can recycle the water body by placing an external container at the bottom of the water filter cartridge 247.

[0023] As an implementation method in this embodiment, Figure 2 、 Figure 3 As shown, side ducts 221 are fixedly installed on both sides of the inner wall of the dust collection frame 22, an arc-shaped bar 222 is fixedly installed on the top of the side duct 221, and a circular barrier net 223 is fixedly installed on the bottom of the inner wall of the side duct 221. The two arc-shaped bars 222 are fixedly connected to the sides away from each other with an air suction pipe 224. When the suction fan body 241 is running, it can suck air from the circular barrier net 223, and then absorb the dust overflowed from the top when the crusher body 1 crushes the mineral material. The design of the top surface of the arc-shaped bar 222 is arc-shaped, which can avoid the problem of material accumulation on the top of the side duct 221, and the design of the circular barrier net 223 can avoid the problem of large particles of mineral material being absorbed.

[0024] As an implementation method in this embodiment, Figure 3 、 Figure 4As shown, a primary filter bin 23 is fixedly installed on the left side of the lifting frame 21, an inclined plate 231 is fixedly installed on the inner wall of the primary filter bin 23, a primary filter inclined screen 232 is fixedly installed on the inner wall of the inclined plate 231, a vertical rod 234 is fixedly installed on the top of the inclined plate 231, a fixed block 235 is fixedly installed on the top of the vertical rod 234, the fixed block 235 is fixedly installed on the right side of the inner wall of the primary filter bin 23, and an elastic member 236 is fixedly connected to the bottom of the fixed block 235. The bottom is fixedly connected with a gate plate 237, which is slidably connected to the outer wall of the vertical rod 234. The right side of the gate plate 237 is movably connected to the right side of the inner wall of the primary filter bin 23. A return trough 238 is provided on the right side of the primary filter bin 23. A long groove with the same specifications as the return trough 238 is provided on the left side of the crusher body 1. A pulling handle 239 is welded on the top of the gate plate 237. The top of the pulling handle 239 extends to the top of the crusher body 1. The suction pipe 224 is away from the side pipe 221. One end is fixedly connected to the top of the primary filter bin 23, and the bottom of the primary filter bin 23 is fixedly connected to a transfer air pipe 233. The end of the transfer air pipe 233 away from the primary filter bin 23 is fixedly connected to the front of the suction fan body 241. Through the design of the primary filter inclined net 232, the air absorbed by the suction fan body 241 can be pre-filtered, and impurities can be filtered out at the top of the primary filter inclined net 232. After a certain amount of impurities are collected, the pulling handle 239 is lifted, and the gate plate 237 is simultaneously driven up. The filter 232 is moved to the left side of the primary filter bin 23, and the filtered impurities are caused to flow back to the interior of the crusher body 1 through the return trough 238 and the long groove of the crusher body 1. After the pull handle 239 is released, the gate 237 can be driven to move down and reset through the elastic force of the elastic member 236, and the return trough 238 is closed. The left side of the primary filter bin 23 includes a movable door panel, which is installed on the left side of the primary filter bin 23 by magnetic attraction. The movable door panel can be removed to fully clean and maintain the top of the primary filter inclined screen 232.

[0025] Working principle: The materials for preparing asphalt concrete are put into the top of the dust suction frame 22, and the crusher main body 1 is controlled to work, so that the asphalt concrete materials can be crushed. During the crushing, the suction fan main body 241 is controlled to work to absorb the dust overflowed from the top when the crusher main body 1 crushes the mineral materials. The input pipe of the pump 246 is pre-connected to the external water source, and the pump 246 is controlled to work to output water from the atomizing nozzle 245, so as to realize the function of dust reduction treatment of the air absorbed by the suction fan main body 241.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. A crushing device for preparing asphalt concrete containing tailings, comprising a crusher body (1), characterized in that: A dust reduction mechanism (2) is provided on the top of the crusher body (1), and the dust reduction mechanism (2) comprises a lifting frame (21), the lifting frame (21) is fixedly connected to the top of the crusher body (1), the top of the lifting frame (21) is fixedly connected to a dust suction frame (22), a dust reduction plate (24) is fixedly installed on the front of the lifting frame (21), a suction fan body (241) is fixedly connected to the front of the dust reduction plate (24), and a flow divider sleeve (242) is fixedly installed between the front and back of the inner wall of the dust reduction plate (24) A diversion hole (243) is provided on the right side of the diversion sleeve (242), a water pipe (244) is fixedly installed on the right side of the diversion sleeve (242), the top and bottom of the water pipe (244) are fixedly connected with atomizing nozzles (245), a pump (246) is fixedly installed on the bottom of the dust suppression plate (24), the output pipe of the pump (246) extends into the inner cavity of the dust suppression plate (24) and is fixedly connected to the right side of the water pipe (244), and the bottom of the dust suppression plate (24) is threadedly connected with a water filter cartridge (247).

2. The crushing device for preparing asphalt concrete containing tailings according to claim 1, characterized in that: The inner wall of the dust collection frame (22) is fixedly mounted with side wing pipes (221) on both sides, the top of the side wing pipe (221) is fixedly mounted with an arc-shaped strip (222), the bottom of the inner wall of the side wing pipe (221) is fixedly mounted with a circular barrier net (223), and the two sides of the arc-shaped strips (222) that are away from each other are fixedly connected with a suction pipe (224).

3. The crushing device for preparing asphalt concrete containing tailings according to claim 2, characterized in that: A primary filter bin (23) is fixedly mounted on the left side of the lifting frame (21), an inclined plate (231) is fixedly mounted on the inner wall of the primary filter bin (23), a primary filter inclined net (232) is fixedly mounted on the inner wall of the inclined plate (231), and a vertical rod (234) is fixedly mounted on the top of the inclined plate (231).

4. The crushing device for preparing asphalt concrete containing tailings according to claim 3, characterized in that: A fixing block (235) is fixedly mounted on the top of the vertical rod (234), and the fixing block (235) is fixedly mounted on the right side of the inner wall of the primary filter bin (23). An elastic member (236) is fixedly connected to the bottom of the fixing block (235), and a gate plate (237) is fixedly connected to the bottom of the elastic member (236).

5. The crushing device for preparing asphalt concrete containing tailings according to claim 4, characterized in that: The gate plate (237) is slidably connected to the outer wall of the vertical rod (234), the right side of the gate plate (237) is movably connected to the right side of the inner wall of the primary filter bin (23), a return trough (238) is provided on the right side of the primary filter bin (23), and a long trough with the same specifications as the return trough (238) is provided on the left side of the crusher body (1).

6. The crushing device for preparing asphalt concrete containing tailings according to claim 5, characterized in that: A pulling handle (239) is welded to the top of the gate plate (237), and the top of the pulling handle (239) extends to the top of the crusher body (1). The end of the suction pipe (224) away from the side wing pipe (221) is fixedly connected to the top of the primary filter bin (23).

7. The crushing device for preparing asphalt concrete containing tailings according to claim 3, characterized in that: The bottom of the primary filter bin (23) is fixedly connected with a transfer air pipe (233), and one end of the transfer air pipe (233) away from the primary filter bin (23) is fixedly connected to the front side of the suction fan body (241).

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