CN218309981U - Waste asphalt recycling crushing production line - Google Patents

Abstract

Waste asphalt circulation crushing production line, including feeding bin (1), crusher (2), screening machine (3), coarse bin (4) and fine bin (5), top and rear of feeding bin (1) The sides are all open, and the feeding bin (1) is equipped with an inclined screen (6) at the rear end, and the bottom of the feeding bin (1) is provided with an inclined sliding plate (7) at the rear end, The front side of the feed bin (1) is provided with a discharge port that communicates with the inclined slide plate (7); the utility model has the advantages that: the main crushing box crushes the large pieces of waste asphalt material, and then it is larger than that after screening. The waste and old materials enter the auxiliary crushing box for secondary crushing to meet the required particle size, and then sieve and circulate in turn. The broken waste and old asphalt materials are sorted through screening, which is convenient for installation with different ratios and new materials. Mix and reuse.

Description

Waste asphalt recycling crushing production line

technical field

The utility model relates to the technical field of asphalt production, in particular to a waste asphalt circulation crushing production line.

Background technique

Waste asphalt crushing is an important step in the recovery process of old road asphalt materials. The waste asphalt block is a mixture of asphalt and sand, and the diameter of the larger sand is 40mm. Due to the viscosity of asphalt, most of the existing crushers are By knocking or rolling crushing, most of the large-grained sand and gravel will be crushed during the crushing process, which will affect the road quality during road laying. Clings to the crushing rollers causing clogging.

Utility model content

The purpose of this utility model is to provide waste and old asphalt circulation crushing production line to solve above-mentioned deficiencies.

The utility model includes a feed bin, a crusher, a screening machine, a coarse feed bin and a fine feed bin. Both the top and the rear side of the feed bin are open, and the feed bin is provided with a slanted net plate located at the rear end and low. The bottom of the feeding bin is provided with a sloping slide plate located at one end of the rear side, and the front side of the feeding silo is provided with a discharge port connected with the inclined slide plate;

The crusher includes a main crushing box and an auxiliary crushing box spliced together from bottom to top. The main crushing box and the auxiliary crushing box are respectively equipped with crushing mechanisms. There is a first belt conveyor between the discharge end of the screen and the feed end of the screening machine. The discharge ports of the main crushing box and the auxiliary crushing box are respectively located above the feed end of the first belt conveyor. The first belt conveyor of the screening machine The discharge port communicates with the feed port of the auxiliary crushing box through the second belt conveyor, the second discharge port of the screening machine communicates with the coarse material bin through the third belt conveyor, and the third discharge port of the screening machine communicates with the fine material bin. The warehouses are connected.

The lower end of the inclined screen is movably connected with the feed bin through a pin shaft, and the higher end of the inclined screen is connected with the feed bin through a set of springs.

Both the top of the main crushing box and the auxiliary crushing box are equipped with a dust collection cover, and one side of the crusher is provided with a dust collector respectively connected with the two dust collection covers.

A group of air inlet holes are arranged on the side walls near the outlet of the main crushing box and the auxiliary crushing box.

The crushing mechanism in the auxiliary crushing box includes a pair of crushing toothed rollers and a toothed roller drive motor that drives the pair of crushing toothed rollers to rotate. A pair of crushing toothed rollers can be rotatably installed in the auxiliary crushing box, and Through gear transmission, the toothed roller driving motor is installed on one side of the auxiliary crushing box, and drives a pair of crushing toothed rollers to rotate.

The crushing mechanism in the main crushing box includes crushing bottom plate, crushing roller and roller driving motor. One side of the main crushing box is provided with a material inlet, and the other side of the main crushing box is provided with a discharge port. The height is lower than that of the feed port. The crushing bottom plate is installed in the main crushing box in an inclined manner from the feed port to the discharge port. There are multiple sets of crushing teeth on the crushing roller, and the ends of the crushing teeth are conical. It can be detachably installed on the crushing roller. The crushing roller is located above the crushing bottom plate, and there is a gap between the crushing bottom plate. The driving motor of the roller is installed on the side of the main crushing box, and drives the crushing roller to rotate. Inside the main crushing box There are discharge rake teeth matched with the crushing teeth.

One end of the crushing tooth is provided with a polygonal connecting column, and a locking plate is provided on the polygonal connecting column, and the crushing roller is provided with an installation groove matching the polygonal connecting column and the locking plate, and the crushing teeth are inserted through the polygonal connecting column. On the crushing roller, the locking plate and the crushing roller are locked by a set of screw rods.

The screening machine includes a frame, a sieve body and a vibrating motor. The sieve body is movably installed on the frame through a set of springs. The vibrating motor is installed on one side of the sieve body and drives the sieve body to vibrate. A sieve and a second sieve, and the aperture of the first sieve is greater than the aperture of the second sieve, the discharge end of the first sieve is provided with the first discharge chute communicating with the second belt conveyor, the second The discharge end of the screen is provided with a second discharge chute connected to the third belt conveyor, and the bottom of the screen body is provided with a third discharge chute connected with the fine material bin; the other side of the frame is provided with a high-pressure water tank, Above the sieve body, a group of spray pipes are respectively communicated with the high-pressure water tank, and a plurality of spray nozzles are arranged on the spray pipes.

Have the first discharge chute escape hole on the second discharge chute, one end of the first discharge chute passes through the hole and stretches into the second discharge chute below, the second discharge chute is provided with a V-shaped guide plate.

The utility model has the advantages that: the main crushing box crushes large pieces of waste asphalt, and then the larger waste after screening enters the auxiliary crushing box for secondary crushing to meet the required particle size, and then sieves. Circulation in sequence, the crushed waste asphalt materials are sorted by screening, which is convenient for installing different proportions and new materials for mixing and reuse.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Figure 2 is a schematic diagram of the structure of the crusher.

Fig. 3 is a schematic diagram of the connection structure between the crushing teeth and the crushing roller.

Figure 4 is a schematic diagram of the structure of the screening machine.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that if the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer" etc. appear, it is based on the orientation or positional relationship shown in the drawings , or the orientation or positional relationship that the product of the invention is usually placed in use is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed in a specific orientation and operation, and therefore should not be construed as limiting the invention. In addition, if the terms "first", "second" and the like appear in the description of the present invention, they are only used to distinguish the description, and should not be understood as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should also be noted that, unless otherwise specified and limited, the terms "setting" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or an optional connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

As shown in the accompanying drawings, the utility model includes a feed bin 1, a crusher 2, a screening machine 3, a coarse feed bin 4 and a fine feed bin 5, the top and the rear side of the feed bin 1 are openings, and the feed bin 1 There is an inclined screen plate 6 with a low end on the rear side, an inclined slide plate 7 with a high end on the rear side at the bottom of the feed bin 1, and an outlet that communicates with the inclined slide plate 7 on the front side of the feed bin 1. feed port;

The feeding bin 1 is used to convey the recovered waste asphalt to the crusher 2. The mesh diameter of the inclined screen plate 6 is not more than 350mm to prevent people from falling, and at the same time, it can prevent larger asphalt blocks from entering the crusher to prevent crushing If the feed port of the machine is blocked, the larger asphalt blocks will concentrate on the inclined screen plate 6 at the lower end, and after collection, they will be mechanically decomposed into smaller blocks and then crushed. The inclined slide 7 is convenient to transport the incoming asphalt blocks to the feed port of the crusher. The inclined slide 7 can be installed in the feed bin 1 through a set of springs, and a rapping motor is installed at the bottom of the inclined slide 7. make it smooth.

The crusher 2 includes a main crushing box 10 and an auxiliary crushing box 11 spliced sequentially from bottom to top. The main crushing box 10 and the auxiliary crushing box 11 are respectively equipped with crushing mechanisms. The feed ports are connected, and a first belt conveyor 15 is provided between the discharge end of the crusher 2 and the feed end of the screening machine 3, and the discharge ports of the main crushing box 10 and the auxiliary crushing box 11 are respectively located on the first belt conveyor. Above the feeding end of the crusher 15, the first discharge port of the screening machine 3 communicates with the feeding port of the auxiliary crushing box 11 through the second belt conveyor 16, and the second discharge port of the screening machine 3 passes through the third belt conveyor 17 communicates with the coarse material bin 4, and the third outlet of the screening machine 3 communicates with the fine material bin 5.

The crushed particle size in the main crushing box 10 is greater than that in the auxiliary crushing box 11. The main crushing box 10 mainly crushes larger pieces of asphalt for the first time, and then the screening machine 3 screens the unqualified asphalt. The block is transported to the auxiliary crushing box 11 for secondary crushing, and the screening machine 3 divides the crushed material into three parts, the unqualified large asphalt material, the qualified small asphalt material and the smaller powder material, which are used for secondary use. At the same time, asphalt materials of different sizes are mixed into new asphalt materials in a certain proportion to achieve recycling while maintaining the quality of asphalt materials.

The lower end of the inclined net plate 6 is movably connected with the feed bin 1 through a pin shaft, and the higher end of the inclined net plate 6 is connected with the feed bin 1 through a group of springs, so that the inclined net plate 6 has certain elasticity, and the waste asphalt When the block is put on the inclined screen 6 by a forklift, the shaking of the inclined screen 6 can quickly make the asphalt block enter the feed bin 1, and at the same time, the particularly large asphalt block will move to the lower end to prevent the inclined screen Plate 6 is blocked.

Both the top of the main crushing box 10 and the auxiliary crushing box 11 are provided with a dust collection cover, and one side of the crusher 2 is provided with a dust collector 20 communicating with the two dust collection covers respectively. A group of air inlet holes are provided on the side walls near the outlets of the main crushing box 10 and the auxiliary crushing box 11 .

The dust collector 20 adopts a cyclone dust collector to collect the dust generated during the crushing of the main crushing box 10 and the auxiliary crushing box 11 to prevent environmental pollution. Negative pressure, outside air enters from the inlet, outlet and air inlet of the main crushing box 10 and auxiliary crushing box 11, which can air-cool the inside of the crusher 2 to prevent the temperature inside the crusher 2 from being too high. Causes clogging of asphalt adhesion.

The crushing mechanism in the auxiliary crushing box 11 includes a pair of crushing toothed rollers 22 and a toothed roller drive motor 23 for driving the pair of crushing toothed rollers 22. The pair of crushing toothed rollers 22 can be rotatably installed in the auxiliary crushing box 11, and a The pair of crushing toothed rollers 22 are driven by gears, and the toothed roller driving motor 23 is installed on one side of the auxiliary crushing box 11, and drives a pair of crushing toothed rollers 22 to rotate. The bottom of the auxiliary crushing box 11 is an inclined plate, so that the crushed asphalt material is output to the discharge port. The tooth spacing of a pair of crushing toothed rollers 22 is not more than 40mm, and the asphalt block crushed by the auxiliary crushing box 11 can meet the use standard.

The crushing mechanism in the main crushing box 10 includes a crushing bottom plate 25, a crushing roller 26 and a roller driving motor 27. One side of the main crushing box 10 is provided with a feed port, and the other side of the main crushing box 10 is provided with a discharge port. , and the height of the discharge port is lower than the height of the feed port, the crushing bottom plate 25 is installed in the main crushing box 10 in an inclined shape from the feed port to the discharge port, and multiple sets of crushing teeth 28 are arranged on the crushing roller 26 The ends of the crushing teeth 28 are tapered, and are detachably installed on the crushing roller 26. The crushing roller 26 is located above the crushing bottom plate 25, and there is a gap between the crushing bottom plate 25. The roller driving motor 27 is installed on the main crushing roller. One side of the crushing box 10, and drives the crushing roller 26 to rotate. The main crushing box 10 is provided with a discharge rake tooth 29 matched with the crushing tooth 28.

The main crushing box 10 is mainly for the preliminary crushing of asphalt blocks. When the waste asphalt material passes between the crushing bottom plate 25 and the crushing roller 26, the crushing roller 26 rotates to crush and decompose the asphalt block, and then snaps it into the crushing teeth 28. The large pieces of material are taken out by the discharge rake teeth 29, the crushing teeth 28 are cylindrical, and the ends of the crushing teeth 28 are conical, so that they can be quickly pressed into the asphalt block to decompose it when rolling. The rake teeth of the material rake teeth 29 are square, and the front end is a cutting edge with a slope. The distance between the rake teeth of the discharge rake teeth 29 and the crushing roller 26 is less than 5mm, which is convenient for unloading the asphalt material stuck on the crushing teeth 28. Down.

One end of the crushing tooth 28 is provided with a polygonal connecting column 30, and a locking plate 31 is provided on the polygonal connecting column 30, and the crushing roller 26 is provided with an installation groove matched with the polygonal connecting column 30 and the locking plate 31. The teeth 28 are inserted into the crushing roller 26 through the polygonal connecting column 30, and the locking plate 31 and the crushing roller 26 are locked by a set of screws. Each crushing tooth 28 can be disassembled and installed on the crushing roller 26. When the individual crushing teeth 28 are severely worn, they only need to be replaced separately.

The screening machine 3 includes a frame 32, a sieve body 33 and a vibrating motor 34. The sieve body 33 is movably mounted on the frame 32 through a group of springs. The vibrating motor 34 is installed on one side of the sieve body 33 and drives the sieve body 33 to vibrate. The first screen cloth 35 and the second screen cloth 36 are respectively provided with in the body 33 from top to bottom, and the aperture of the first screen cloth 35 is larger than the aperture of the second screen cloth 36, and the discharge end of the first screen cloth 35 is provided with The first discharge chute 37 that communicates with the second belt conveyor 16, the discharge end of the second screen cloth 36 is provided with the second discharge chute 38 that communicates with the third belt conveyor 17, and the bottom of the screen body 33 is provided with The third discharge chute 40 communicated with the fine material bin 5; the other side of the frame 32 is provided with a high-pressure water tank 42, and a group of spray pipes 43 respectively communicated with the high-pressure water tank 42 are arranged above the screen body 33; The pipe 43 is provided with a plurality of spray nozzles. When sieving, the spray nozzle sprays the asphalt material to suppress the dust, and at the same time, it can cover the large piece of asphalt material on the first screen 35 with a layer of water mist. When the large piece of asphalt enters the auxiliary crushing box 11 for crushing Dust can be effectively reduced during secondary crushing.

Have the first discharge chute escape hole on the second discharge chute 38, one end of the first discharge chute 37 passes through the hole and stretches into the second discharge chute 38 below, the second discharge chute 38 is provided with V Shape guide plate 45. The V-shaped guide plate 45 can prevent the material from being blocked at the junction of the first discharge chute 37 and the second discharge chute 38 .

Claims (9)

1. Waste asphalt circulation crushing production line, characterized in that it includes feed bin (1), crusher (2), screening machine (3), coarse feed bin (4) and fine feed bin (5), feed bin ( The top and rear side of 1) are both open, and the feeding bin (1) is provided with an inclined screen (6) located at the rear side with a lower end, and the inner bottom of the feeding bin (1) is provided with an inclined screen plate located at the rear side with a higher end. The slide plate (7), the front side of the feed bin (1) is provided with a discharge port communicating with the inclined slide plate (7); The crusher (2) consists of a main crushing box (10) and an auxiliary crushing box (11) spliced together from bottom to top. The main crushing box (10) and the auxiliary crushing box (11) are respectively equipped with a crushing mechanism, and the feeding bin ( The discharge port of 1) communicates with the feed port of the main crushing box (10), and a first belt conveyor (15) is provided between the discharge end of the crusher (2) and the feed end of the screening machine (3) , the outlets of the main crushing box (10) and the auxiliary crushing box (11) are respectively located above the feeding end of the first belt conveyor (15), and the first outlet of the screening machine (3) is conveyed by the second belt The machine (16) communicates with the inlet of the auxiliary crushing box (11), the second outlet of the screening machine (3) communicates with the coarse material bin (4) through the third belt conveyor (17), and the screening machine (3) ) The third discharge port communicates with the fine material bin (5). 2. The waste asphalt circulation crushing production line according to claim 1, characterized in that the lower end of the inclined screen (6) is movably connected with the feed bin (1) through a pin shaft, and the higher end of the inclined screen (6) is One end is connected to the feed bin (1) through a set of springs. 3. The waste asphalt circulation crushing production line according to claim 1, characterized in that the top of the main crushing box (10) and the auxiliary crushing box (11) are equipped with a dust cover, and one side of the crusher (2) is equipped with a separate The dust catcher (20) that communicates with two dust collecting hoods. 4. The waste asphalt circulation crushing production line according to claim 3, characterized in that a group of air inlet holes are provided on the side walls near the outlets of the main crushing box (10) and the auxiliary crushing box (11). 5. The waste asphalt circulation crushing production line according to claim 1, characterized in that the crushing mechanism in the auxiliary crushing box (11) includes a pair of crushing toothed rollers (22) and teeth that drive the pair of crushing toothed rollers (22) to rotate. The roller driving motor (23) and a pair of crushing toothed rollers (22) can be rotatably installed in the auxiliary crushing box (11), and the pair of crushing toothed rollers (22) are driven by gears, and the toothed roller driving motor (23) It is installed on one side of the auxiliary crushing box (11) and drives a pair of crushing gear rollers (22) to rotate. 6. The waste asphalt circulation crushing production line according to claim 1, characterized in that the crushing mechanism in the main crushing box (10) includes a crushing bottom plate (25), a crushing roller (26) and a roller driving motor (27), One side of the main crushing box (10) is provided with a material inlet, and the other side of the main crushing box (10) is provided with a discharge port, and the height of the discharge port is lower than the height of the feed port, and the crushing bottom plate (25) It is installed in the main crushing box (10) obliquely from the feed port to the discharge port. There are multiple groups of crushing teeth (28) on the crushing roller (26). The ends of the crushing teeth (28) are conical. And it can be detachably installed on the crushing roller (26). The crushing roller (26) is located above the crushing floor (25), and there is a gap between the crushing floor (25). The roller drive motor (27) is installed on the main One side of the crushing box (10) drives the crushing roller (26) to rotate, and the main crushing box (10) is equipped with a discharge rake (29) that matches the crushing tooth (28). 7. The waste asphalt circulation crushing production line according to claim 6, characterized in that one end of the crushing tooth (28) is provided with a polygonal connecting column (30), and a locking plate (31) is provided on the polygonal connecting column (30) ), the crushing roller (26) is provided with mounting grooves matching the polygonal connecting column (30) and the locking plate (31), and the crushing teeth (28) are inserted into the crushing roller ( 26), the locking plate (31) and the crushing roller (26) are locked by a set of screw rods. 8. The waste asphalt circulation crushing production line according to claim 1, characterized in that the screening machine (3) includes a frame (32), a sieve body (33) and a vibrating motor (34), and the sieve body (33) passes through a set of The spring is movably installed on the frame (32), and the vibrating motor (34) is installed on one side of the sieve body (33) to drive the sieve body (33) to vibrate. The sieve body (33) is equipped with first screen (35) and the second screen (36), and the aperture of the first screen (35) is larger than the aperture of the second screen (36), the discharge end of the first screen (35) is provided with the first screen (35) The first unloading chute (37) connected to the two belt conveyors (16), the discharge end of the second screen (36) is provided with the second unloading chute (38) connected to the third belt conveyor (17) , the bottom of the sieve body (33) is provided with a third discharge chute (40) communicating with the fine material bin (5); the other side of the frame (32) is provided with a high-pressure water tank (42), and the sieve body (33) A group of spray pipes (43) connected to the high-pressure water tank (42) are provided above, and a plurality of spray nozzles are provided on the spray pipes (43). 9. The waste asphalt circulation crushing production line according to claim 8, characterized in that there is a first discharge chute avoidance hole on the second discharge chute (38), and one end of the first discharge chute (37) passes through the hole And stretch into the second discharge chute (38) below, the second discharge chute (38) is provided with a V-shaped guide plate (45).

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