CN216080890U - Grit drying device is used in modified asphalt concrete production - Google Patents

Abstract

The utility model provides a sand and stone drying device for producing modified asphalt concrete, belongs to the technical field of asphalt production equipment, and is used for solving the problems that the existing equipment is low in sand and stone drying speed, and the surface of sand and stone is not uniformly dried. The drying device comprises a drying box and a heating assembly, wherein a feeding hopper is arranged on the end face of the drying box, a collecting hopper is arranged below the drying box, a discharging pipe is arranged below the collecting hopper, the heating assembly comprises a plurality of heating plates and a plurality of fans, the plurality of fans are all fixed on the inner wall of the drying box, the heating plates are fixed inside the drying box, a first screen assembly and a lifting assembly are arranged inside the drying box, and a second screen assembly is arranged on the lifting assembly; according to the utility model, through the matching of the lifting assembly, the first screen assembly and the second screen assembly, the staying time of the aggregate in the air is prolonged, the drying speed of the aggregate is accelerated, the aggregate can be driven to shake in a reciprocating manner, each surface of the aggregate is exposed in hot air, and the aggregate can be uniformly dried.

Description

Grit drying device is used in modified asphalt concrete production

Technical Field

The utility model belongs to the technical field of asphalt production equipment, and relates to a sand drying device for producing modified asphalt concrete.

Background

In the production process of modified asphalt concrete, need use a large amount of grit, the grit generally obtains from places such as river course, adopt equipment such as crane to take out the grit from the river course, contain a large amount of moisture in the grit, in order to guarantee that the grit carries out the intensive mixing with modified asphalt in subsequent use, need guarantee the quality of purity and the modified asphalt concrete of output, need the humidity of strict control grit material to need dry the grit, reduce the quality that moisture improves the concrete of later stage production.

The utility model discloses a chinese utility model patent for CN212538714U discloses a grit drying device, this kind of grit drying device can promote the grit material to drying cylinder top, drop the grit material to drying cylinder bottom again, thereby can be reciprocal dry the grit material, though this kind of grit drying device has improved the drying strength of grit material, however, the time that the grit material stops in the air is shorter, lead to drying speed to receive the influence, and simultaneously, the drying effect that each surface of grit material received is different, lead to the humidity on grit material surface different, thereby can influence the quality of modified asphalt concrete, therefore, we have proposed a grit drying device for modified asphalt concrete production to this problem defect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a sand drying device for producing modified asphalt concrete, which aims to solve the technical problems that: how to accelerate the sand and stone drying speed and evenly dry the sand and stone surface so as to better produce the modified asphalt concrete.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a grit drying device is used in modified asphalt concrete production, including stoving case and heating element, the terminal surface of stoving case is provided with the feeder hopper, the both sides of stoving case all are equipped with the air outlet, a plurality of air intakes have been seted up to the top of stoving case, the below of stoving case is equipped with the collecting hopper, the below of collecting hopper is equipped with the discharging pipe, heating element includes a plurality of hot plates and a plurality of fan, a plurality of fans are all fixed on the inner wall of stoving case, the inside at the stoving case is fixed to the hot plate, and the hot plate is located the below of fan, the inside of stoving case is provided with first screen assembly and promotes the subassembly, be provided with second screen assembly on the promotion subassembly, first screen assembly and the crisscross distribution of second screen assembly.

A plurality of first sliding grooves are formed in the inner wall of the drying box, a plurality of supporting legs are fixed below the drying box, and a baffle is arranged inside the discharging pipe in a sliding mode.

Structure more than adopting, first sliding tray provides the mounted position for first screen assembly, and the landing leg can support the stoving case, and the pulling baffle can be discharged the inside grit of collecting hopper, and the convenient steam of air outlet is discharged, and the air intake makes things convenient for the fan air inlet.

The lifting assembly comprises a lifting motor and a fixed cylinder, the fixed cylinder is fixed in the drying box through a fixed rod, the lower end of the fixed cylinder is located in the collecting hopper, a plurality of second sliding grooves are formed in the outer side of the fixed cylinder, an auger is arranged in the fixed cylinder, the auger is rotatably arranged at the top of the drying box, the lifting motor is fixed above the drying box, and an output shaft of the lifting motor is connected with the end of the auger through a coupler.

Structure more than adopting, the promotion motor passes through the output shaft and drives the auger and rotate, and the auger promotes the grit material of the inside of collecting hopper to the top of a fixed cylinder, and on the grit material fell the second screen assembly, the second screen assembly drove the grit material vibrations to remove the grit material to first screen assembly.

The first screen assembly comprises a first rotating motor and a plurality of first ventilating plates, the first ventilating plates are in a circular ring shape, the first ventilating plates are arranged inside first sliding grooves corresponding to the positions in a sliding mode respectively, first connecting plates are fixed on the first ventilating plates, the first rotating motor is fixed on one side of the drying box, an output shaft of the first rotating motor penetrates through the inner portion of the drying box, a first rotating rod is fixed on the output shaft of the first rotating motor, a first connecting rod is hinged to the end portion of the first rotating rod, and the end portion of the first connecting rod is hinged to the end portion of the first connecting plate.

By adopting the structure, the sand and stone material falls on the first ventilating plate, the first rotating motor drives the first rotating rod to rotate through the output shaft, the first rotating rod drives the first connecting rod to reciprocate, the first connecting rod drives the first connecting plate to reciprocate up and down, and the first connecting plate drives the first ventilating plates to reciprocate up and down in the first sliding groove, so that the sand and stone material is driven to vibrate.

The second screen mesh component comprises a second rotating motor and a plurality of second ventilating plates, the first ventilating plates and the second ventilating plates are distributed in a staggered mode, the second ventilating plates are circular, the second ventilating plates are arranged inside second sliding grooves corresponding to the positions in a sliding mode respectively, a second connecting plate is fixed on the second ventilating plates, the first rotating motor is fixed on the other side of the drying box, an output shaft of the second rotating motor penetrates through the inner portion of the drying box, a second rotating rod is fixed on the output shaft of the second rotating motor, the end portion of the second rotating rod is hinged to a second connecting rod, and the end portion of the second connecting rod is hinged to the end portion of the second connecting plate.

Structure more than adopting, on the grit material fell the second ventilation board, rotating electrical machines two drove the second dwang through the output shaft and rotate, and the second dwang drove second connecting rod reciprocating motion, and the second connecting rod drove second connecting plate reciprocating motion from top to bottom, and the second connecting plate drove a plurality of second ventilation boards and rocks, and a plurality of second ventilation boards shake the grit material on first ventilation board.

Compared with the prior art, this grit drying device for modified asphalt concrete production has following advantage:

1. through the matching of the lifting assembly, the first screen assembly and the second screen assembly, the aggregate can be thrown in a reciprocating manner, the falling time of the aggregate in the drying box is prolonged, and the hot air drying time is increased, so that the drying speed of the aggregate is increased, and the production of modified asphalt concrete is facilitated;

2. heating element, first screen assembly and the cooperation of second screen assembly can drive the grit material and reciprocate to rock to expose each face of grit material in hot-blast, thereby can evenly dry the grit material.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic elevation view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

in the figure: 1-lifting motor, 2-feeding hopper, 3-drying box, 4-supporting leg, 5-discharging pipe, 6-collecting hopper, 7-rotating motor I, 8-rotating motor II, 9-first rotating rod, 10-first connecting rod, 11-first connecting plate, 12-first sliding groove, 13-first ventilating plate, 14-fixed cylinder, 15-baffle, 16-auger, 17-second sliding groove, 18-second connecting plate, 19-second ventilating plate, 20-second connecting rod, 21-second rotating rod, 22-heating plate and 23-fan.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Please refer to fig. 1-3, the embodiment provides a gravel drying device for modified asphalt concrete production, including drying box 3 and heating element, the terminal surface of drying box 3 is provided with feeder hopper 2, both sides of drying box 3 all are equipped with the air outlet, a plurality of air intakes have been seted up to drying box 3's top, drying box 3's below is equipped with collecting hopper 6, collecting hopper 6's below is equipped with discharging pipe 5, heating element includes a plurality of hot plate 22 and a plurality of fan 23, a plurality of fan 23 all fix on drying box 3's inner wall, hot plate 22 fixes the inside at drying box 3, and hot plate 22 is located fan 23's below, drying box 3's inside is provided with first screen assembly and promotion subassembly, be provided with the second screen assembly on the promotion subassembly, first screen assembly and the crisscross distribution of second screen assembly.

A plurality of first sliding grooves 12 are formed in the inner wall of the drying box 3, a plurality of supporting legs 4 are fixed below the drying box 3, and a baffle 15 is arranged in the discharging pipe 5 in a sliding manner; first sliding tray 12 provides the mounted position for first screen assembly, and landing leg 4 can support stoving case 3, and pulling baffle 15 can be discharged the inside grit of collecting hopper 6, and the convenient steam of air outlet is discharged, and the air intake makes things convenient for the air inlet of fan 23.

The lifting assembly comprises a lifting motor 1 and a fixed cylinder 14, the fixed cylinder 14 is fixed inside the drying box 3 through a fixed rod, the lower end of the fixed cylinder 14 is positioned inside the material collecting hopper 6, a plurality of second sliding grooves 17 are formed in the outer side of the fixed cylinder 14, an auger 16 is arranged inside the fixed cylinder 14, the auger 16 is rotatably arranged at the top of the drying box 3, the lifting motor 1 is fixed above the drying box 3, and an output shaft of the lifting motor 1 is connected with the end part of the auger 16 through a coupler; the lifting motor 1 drives the auger 16 to rotate through the output shaft, the auger 16 lifts the sand and stone material inside the aggregate bin 6 to the upper part of the fixed cylinder 14, the sand and stone material falls on the second screen assembly, and the second screen assembly drives the sand and stone material to vibrate, so that the sand and stone material is moved to the first screen assembly.

The first screen assembly comprises a first rotating motor 7 and a plurality of first ventilating plates 13, the first ventilating plates 13 are circular, the first ventilating plates 13 are respectively arranged in first sliding grooves 12 in corresponding positions in a sliding mode, first connecting plates 11 are fixed on the first ventilating plates 13, the first rotating motor 7 is fixed on one side of the drying box 3, an output shaft of the first rotating motor 7 penetrates through the drying box 3 and extends into the drying box 3, a first rotating rod 9 is fixed on the output shaft of the first rotating motor 7, a first connecting rod 10 is hinged to the end portion of the first rotating rod 9, and the end portion of the first connecting rod 10 is hinged to the end portion of the first connecting plate 11; on the grit material fell first permeability board 13, rotating electrical machines 7 driven first rotation pole 9 through the output shaft and rotated, and first rotation pole 9 drives first connecting rod 10 reciprocating motion, and first connecting rod 10 drives first connecting plate 11 reciprocating motion from top to bottom, and first connecting plate 11 drives a plurality of first permeability boards 13 reciprocating motion from top to bottom in first sliding tray 12 is inside to drive the grit material vibrations.

The second screen assembly comprises a second rotating motor 8 and a plurality of second ventilating plates 19, the first ventilating plates 13 and the second ventilating plates 19 are distributed in a staggered mode, the second ventilating plates 19 are annular, the second ventilating plates 19 are arranged in second sliding grooves 17 in corresponding positions in a sliding mode respectively, second connecting plates 18 are fixed on the second ventilating plates 19, the first rotating motor 7 is fixed on the other side of the drying box 3, an output shaft of the second rotating motor 8 penetrates through the drying box 3 and extends into the drying box 3, second rotating rods 21 are fixed on the output shaft of the second rotating motor 8, the end portions of the second rotating rods 21 are hinged to second connecting rods 20, and the end portions of the second connecting rods 20 are hinged to the end portions of the second connecting plates 18; on the grit material fell to second ventilation board 19, rotating electrical machines two 8 drove second dwang 21 through the output shaft and rotate, and second dwang 21 drove second connecting rod 20 reciprocating motion, and second connecting rod 20 drove second connecting plate 18 reciprocating motion from top to bottom, and second connecting plate 18 drove a plurality of second ventilation board 19 and rocks, and a plurality of second ventilation board 19 shake the grit material on first ventilation board 13.

The working principle of the utility model is as follows:

the sand and stone material is poured into the drying box 3 through the feed hopper 2, the heating plate 22 heats air, the fan 23 blows hot air downwards to dry the sand and stone material, the sand and stone material falls on the second ventilating plate 19, the second rotating rod 21 is driven to rotate by the second rotating motor 8 through the output shaft, the second connecting rod 20 is driven to reciprocate by the second rotating rod 21, the second connecting rod 20 drives the second connecting plate 18 to reciprocate up and down, the second connecting plate 18 drives the plurality of second ventilating plates 19 to rock, the sand and stone material is shaken by the plurality of second ventilating plates 19 to fall on the first ventilating plate 13, the sand and stone material falls on the first ventilating plate 13, the first rotating rod 9 is driven by the first rotating motor 7 through the output shaft to rotate, the first rotating rod 9 drives the first connecting rod 10 to reciprocate, the first connecting rod 10 drives the first connecting plate 11 to reciprocate up and down, the first connecting plate 11 drives the plurality of first ventilating plates 13 to reciprocate up and down in the first sliding chute 12, thereby drive the grit material and shake first gas permeable plate 13 that falls, at last, the grit material falls into the inside of collecting hopper 6, and promotion motor 1 drives auger 16 through the output shaft and rotates, and auger 16 promotes the grit material of the inside of collecting hopper 6 to the top of solid fixed cylinder 14, and the grit material falls on second gas permeable plate 19, so reciprocal, has greatly prolonged the time that drops of grit material, can fully dry the grit material.

In conclusion, through the matching of the lifting assembly, the first screen assembly and the second screen assembly, the aggregate can be thrown in a reciprocating manner, the falling time of the aggregate in the drying box 3 is prolonged, and the hot air drying time is prolonged, so that the drying speed of the aggregate is accelerated, and the production of modified asphalt concrete is facilitated; heating element, first screen assembly and the cooperation of second screen assembly can drive the grit material and reciprocate to rock to expose each face of grit material in hot-blast, thereby can evenly dry the grit material.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. A sand drying device for producing modified asphalt concrete, which comprises a drying box (3) and a heating component, it is characterized in that the end surface of the drying box (3) is provided with a feed hopper (2), both sides of the drying box (3) are provided with air outlets, a plurality of air inlets are arranged above the drying box (3), a material collecting hopper (6) is arranged below the drying box (3), a discharging pipe (5) is arranged below the material collecting hopper (6), a heating component comprises a plurality of heating plates (22) and a plurality of fans (23), the plurality of fans (23) are all fixed on the inner wall of the drying box (3), the heating plates (22) are fixed inside the drying box (3), and the heating plate (22) is positioned below the fan (23), a first screen assembly and a lifting assembly are arranged in the drying box (3), a second screen assembly is arranged on the lifting assembly, and the first screen assembly and the second screen assembly are distributed in a staggered mode.

2. The gravel drying device for producing modified asphalt concrete according to claim 1, wherein a plurality of first sliding grooves (12) are formed in the inner wall of the drying box (3), a plurality of support legs (4) are fixed below the drying box (3), and a baffle (15) is arranged in the discharge pipe (5) in a sliding manner.

3. The gravel drying device for producing modified asphalt concrete as claimed in claim 2, wherein the lifting assembly comprises a lifting motor (1) and a fixed cylinder (14), the fixed cylinder (14) is fixed inside the drying box (3) through a fixed rod, the lower end of the fixed cylinder (14) is located inside the aggregate bin (6), a plurality of second sliding grooves (17) are formed in the outer side of the fixed cylinder (14), an auger (16) is arranged inside the fixed cylinder (14), the auger (16) is rotatably arranged at the top of the drying box (3), the lifting motor (1) is fixed above the drying box (3), and the output shaft of the lifting motor (1) is connected with the end of the auger (16) through a coupler.

4. The gravel drying device for producing modified asphalt concrete according to claim 3, wherein the first screen assembly comprises a first rotating motor (7) and a plurality of first ventilating plates (13), the first ventilating plates (13) are circular, the first ventilating plates (13) are respectively arranged in first sliding grooves (12) in corresponding positions in a sliding manner, first connecting plates (11) are fixed on the first ventilating plates (13), the first rotating motor (7) is fixed on one side of the drying box (3), an output shaft of the first rotating motor (7) penetrates through the drying box (3), a first rotating rod (9) is fixed on the output shaft of the first rotating motor (7), a first connecting rod (10) is hinged to the end of the first rotating rod (9), and the end of the first connecting rod (10) is hinged to the end of the first connecting plate (11).

5. The sand drying device for producing modified asphalt concrete according to claim 4, the second screen assembly is characterized by comprising a second rotating motor (8) and a plurality of second breathable plates (19), wherein the first breathable plates (13) and the second breathable plates (19) are distributed in a staggered mode, the second breathable plates (19) are circular, the second breathable plates (19) are arranged inside second sliding grooves (17) in corresponding positions in a sliding mode respectively, second connecting plates (18) are fixed on the second breathable plates (19), a first rotating motor (7) is fixed on the other side of the drying box (3), an output shaft of the second rotating motor (8) penetrates through the inner portion of the drying box (3), a second rotating rod (21) is fixed on an output shaft of the second rotating motor (8), a second connecting rod (20) is hinged to the end portion of the second rotating rod (21), and the end portion of the second connecting rod (20) is hinged to the end portion of the second connecting plate (18).

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