CN217817917U

CN217817917U - Drying device for asphalt concrete crushing

Info

Publication number: CN217817917U
Application number: CN202221812348.7U
Authority: CN
Inventors: 刘少宁; 胡立亚; 张玉龙
Original assignee: Hebei Hongye Road Building Materials Co ltd
Current assignee: Hebei Hongye Road Building Materials Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-15
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to an asphalt concrete drying technology field has provided an asphalt concrete smashes and uses drying device, including the screening case, screening case one side is provided with the discharge opening, screening device is installed to screening case inner chamber, screening case up end fixedly connected with drying cylinder, drying cylinder inner chamber fixedly connected with crushing cylinder, agitating unit is installed to the crushing cylinder inner chamber, crushing cylinder up end fixedly connected with feeder hopper, terminal surface middle part fixedly connected with relief hole under the crushing cylinder, electromagnetic valve is installed to the relief hole inner chamber, screening case up end installs drying device, screening case one side fixedly connected with driving motor, driving motor output shaft end fixedly connected with dwang. Through above-mentioned technical scheme, the inconvenient problem of clearing up the inner wall of drying cylinder of drying device who uses of traditional asphalt concrete crushing has been solved.

Description

Drying device for asphalt concrete smashing

Technical Field

The utility model relates to an asphalt concrete drying technology field, it is specific relates to an asphalt concrete smashes and uses drying device.

Background

Asphalt concrete is commonly called asphalt concrete, and is a mixture prepared by manually selecting mineral aggregate with a certain gradation composition, broken stone or crushed gravel, stone chips or sand, mineral powder and the like, and mixing the mineral aggregate, the broken stone or crushed gravel, the stone chips or sand, the mineral powder and the like with a certain proportion of road asphalt material under strictly controlled conditions. Asphalt concrete can be divided into two categories of petroleum asphalt and coal asphalt according to different binders; some countries or regions also adopt or mix natural asphalt for mixing. According to the variety of aggregate used, the aggregate can be divided into several types of crushed stone, gravel, sand and slag, and the crushed stone is most commonly used. According to different gradation of mineral aggregates, the mineral aggregates can be classified into dense gradation, semi-open gradation, open gradation and the like. The hot-mixed and hot-paved dense-graded broken stone mixture is durable in use, high in strength and good in integrity, is a representative material for building high-grade asphalt pavements, and is most widely applied.

The asphalt pavement gradually enters the maintenance and curing stage, a large amount of waste asphalt concrete reclaimed materials are inevitably generated in the maintenance and extension process, waste is caused, a large amount of land is occupied, and the reclaimed materials are recycled, so that the resources are saved, the environment is protected, and obvious economic benefits are realized. The existing drying method generally comprises the steps of crushing, drying and heating to melt, and the existing drying method generally adopts an asphalt dryer to dry, so that part of asphalt melts and adheres to the inner wall of a drying cylinder in the drying process, the use of the drying cylinder is influenced, and the cleaning is very difficult.

SUMMERY OF THE UTILITY MODEL

The utility model provides an asphalt concrete smashes and uses drying device has solved the inconvenient problem of clearing up the inner wall to a drying cylinder of traditional asphalt concrete smashes usefulness.

The technical scheme of the utility model as follows: the utility model provides an asphalt concrete smashes and uses drying device, includes the screening case, screening case one side is provided with the discharge opening, screening device is installed to screening case inner chamber, screening case up end fixedly connected with drying tube, drying tube inner chamber fixedly connected with crushing tube, agitating unit is installed to the crushing tube inner chamber, crushing tube up end fixedly connected with feeder hopper, terminal surface middle part fixedly connected with relief hole under the crushing tube, electromagnetic valve is installed to the relief hole inner chamber, screening case up end installs drying device, screening case one side fixedly connected with driving motor, driving motor output shaft end fixedly connected with dwang.

Preferentially, screening plant comprises lug, rotation post, disc, cylinder, T type piece, screen cloth, rack, gear, crushing roller, air-blowing plate and blast pipe, screening case one side fixedly connected with lug, the lug inner chamber rotates and is connected with the rotation post.

Preferentially, the dwang surface is connected with the rotation post through bevel gear group rotation, rotation post one end fixedly connected with disc, disc one side fixedly connected with cylinder, cylinder surface sliding connection has T type piece, T type piece one end fixedly connected with screen cloth, T type piece one end run through the screening case and with screening case sliding connection.

Preferentially, the both ends of screen cloth up end are fixedly connected with rack respectively, the rack toothing is connected with the gear, the roller is smashed to gear middle part fixedly connected with, screening incasement chamber has the screen cloth through spout sliding connection, screening incasement chamber rotates and is connected with crushing roller, screening incasement chamber one side fixedly connected with air blowing plate, air blowing plate just is located the fixedly connected with blast pipe between the drying cylinder.

Preferentially, agitating unit comprises (mixing) shaft, lateral wall scraper blade, puddler and bottom scraper blade, the dwang surface is rotated through sprocket group cooperation chain and is connected with the (mixing) shaft, the outer fixedly connected with lateral wall scraper blade of (mixing) shaft surface upper portion.

Preferentially, lateral wall scraper blade one side and crushing barrel inner chamber contact, the equal fixedly connected with puddler in (mixing) shaft surface middle part, the fixedly connected with bottom scraper blade of (mixing) shaft surface lower part, bottom scraper blade one side and screening incasement chamber bottom contact each other.

Preferentially, drying device comprises air-blower, air-supply line, play tuber pipe, heating cabinet and heating pipe, screening case up end fixedly connected with air-blower and heating cabinet respectively, the heating rod is installed to the heating cabinet inner chamber.

Preferentially, the air inlet end of the air blower is fixedly connected with an air inlet pipe, the air exhaust end of the air blower is fixedly connected with an air outlet pipe, one end of the air outlet pipe is fixedly connected with a heating box, and the air outlet end of the heating box is communicated with the inner cavity of the drying cylinder through a heating pipe.

The utility model discloses a theory of operation and beneficial effect do:

when the concrete drying device is used, firstly crushed concrete is put into an inner cavity of a crushing barrel from a feed hopper, after the crushed concrete is put into the inner cavity, a driving motor is started through an external controller, the driving motor drives a rotating rod to rotate when working, the rotating rod drives a stirring shaft to rotate through a chain wheel set and a chain, the stirring shaft drives a side wall scraper blade, a stirring rod and a bottom scraper blade to rotate when rotating, the stirring rod starts to stir the concrete in the inner cavity of the crushing barrel when rotating, then the cylinder wall and the bottom in the inner cavity of the crushing barrel start to be scraped through the side wall scraper blade and the bottom scraper blade respectively, asphalt is prevented from being adhered to the inner wall of the drying barrel, when stirring, a blower is started, the blower blows external air into the inner cavity of a heating box through an air outlet pipe, and the heating rod in the inner cavity of the heating box starts to heat the air, when the air is heated, the heated air is discharged into the inner cavity of the drying cylinder through the heating pipe, when the hot air is discharged, the asphalt concrete in the inner cavity of the crushing cylinder is dried through the hot air in the drying cylinder, so that the asphalt concrete in the inner cavity of the crushing cylinder is dried fully through the drying of the drying cylinder and the stirring of the stirring device, after the drying is finished, the electromagnetic valve in the discharge hole is opened, when the discharge hole is opened, the asphalt concrete in the inner cavity of the crushing cylinder falls into the inner cavity of the screen mesh, when the rotating rod rotates, the rotating column is driven to rotate through the bevel gear, when the rotating column rotates, the disk is driven to rotate, when the disk rotates, the cylinder rotates, and when the cylinder rotates, the T-shaped block is driven to reciprocate, the T-shaped block drives the screen to do reciprocating motion when reciprocating, qualified asphalt concrete can be screened out when the T-shaped block reciprocates along with the screen, massive concrete is remained in the screen, the rack is driven to do reciprocating motion when the screen reciprocates, the gear is driven to do reciprocating rotation when the rack reciprocates, the crushing roller is driven to do reciprocating rotation when the gear does reciprocating rotation, the massive asphalt concrete can be crushed again through the matching of the crushing roller and the screen when the crushing roller reciprocates, the crushed and dried concrete flows out of the filter holes in the screen, when the drying cylinder crushes, hot air in the inner cavity of the drying cylinder flows into the blowing plate along with the air supply pipe, the hot air blows out from the blowing plate, and the blown hot air starts to dry the crushed concrete again, so that the crushing and drying are completed once, and the drying are more uniform.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

fig. 2 is a schematic view of another overall structure of the present invention;

FIG. 3 is a schematic view of the sectional structure of the drying cylinder and the pulverizing cylinder of the present invention;

fig. 4 is the structure schematic diagram of the sieving box of the utility model.

In the figure: 1. screening the box; 2. a discharge hole; 3. a screening device; 31. a bump; 32. rotating the column; 33. a disc; 34. a cylinder; 35. a T-shaped block; 36. a screen mesh; 37. a rack; 38. a gear; 39. a crushing roller; 310. a blowing plate; 311. an air supply pipe; 4. a drying cylinder; 5. a milling drum; 6. a stirring device; 61. a stirring shaft; 62. a sidewall scraper; 63. a stirring rod; 64. a bottom scraper; 7. a feed hopper; 8. a discharge hole; 9. a drying device; 91. a blower; 92. an air inlet pipe; 93. an air outlet pipe; 94. A heating box; 95. heating a tube; 10. a drive motor; 11. rotating the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive work, are related to the scope of protection of the present invention.

Example 1

As shown in fig. 1-4, this embodiment has proposed, a drying device for asphalt concrete crushing, including screening case 1, screening case 1 one side is provided with discharge opening 2, screening plant 3 is installed to screening case 1 inner chamber, screening case 1 up end fixedly connected with drying cylinder 4, drying cylinder 4 inner chamber fixedly connected with grinding cylinder 5, agitating unit 6 is installed to grinding cylinder 5 inner chamber, grinding cylinder 5 up end fixedly connected with feeder hopper 7, grinding cylinder 5 down end middle part fixedly connected with relief hole 8, electromagnetic valve is installed to the 8 inner chambers of relief hole, drying device 9 is installed to screening case 1 up end, screening case 1 one side fixedly connected with driving motor 10, driving motor 10 output shaft end fixedly connected with dwang 11. The screening device 3 comprises a lug 31, a rotating column 32, a disc 33, a cylinder 34, a T-shaped block 35, a screen 36, a rack 37, a gear 38, a crushing roller 39, an air blowing plate 310 and an air supply pipe 311, wherein the lug 31 is fixedly connected to one side of the screening box 1, and the rotating column 32 is rotatably connected to the inner cavity of the lug 31. The outer surface of the rotating rod 11 is rotatably connected with a rotating column 32 through a bevel gear set, one end of the rotating column 32 is fixedly connected with a disc 33, one side of the disc 33 is fixedly connected with a cylinder 34, a T-shaped block 35 is slidably connected to the outer surface of the cylinder 34, one end of the T-shaped block 35 is fixedly connected with a screen 36, and one end of the T-shaped block 35 penetrates through the screening box 1 and is slidably connected with the screening box 1. Two ends of the upper end face of the screen 36 are fixedly connected with racks 37 respectively, the racks 37 are meshed with gears 38, the middle of each gear 38 is fixedly connected with a crushing roller 39, the inner cavity of the screening box 1 is connected with the screen 36 through a sliding groove in a sliding mode, the inner cavity of the screening box 1 is rotatably connected with the crushing roller 39, one side of the inner cavity of the screening box 1 is fixedly connected with an air blowing plate 310, and the air blowing plate 310 is fixedly connected with an air supply pipe 311 located between the drying cylinders 4.

Example 2

Based on the same concept as that of embodiment 1, this embodiment further provides that the stirring device 6 is composed of a stirring shaft 61, a side wall scraper 62, a stirring rod 63 and a bottom scraper 64, the outer surface of the rotating rod 11 is rotatably connected with the stirring shaft 61 through a chain wheel set and a chain, and the upper part of the outer surface of the stirring shaft 61 is fixedly connected with the side wall scraper 62. One side of the side wall scraper blade 62 is contacted with the inner cavity of the crushing barrel 5, the middle part of the outer surface of the stirring shaft 61 is fixedly connected with a stirring rod 63, the lower part of the outer surface of the stirring shaft 61 is fixedly connected with a bottom scraper blade 64, and one side of the bottom scraper blade 64 is contacted with the bottom of the inner cavity of the screening box 1. The drying device 9 is composed of an air blower 91, an air inlet pipe 92, an air outlet pipe 93, a heating box 94 and a heating pipe 95, the upper end face of the screening box 1 is fixedly connected with the air blower 91 and the heating box 94 respectively, and a heating rod is installed in the inner cavity of the heating box 94. An air inlet end of the air blower 91 is fixedly connected with an air inlet pipe 92, an air outlet end of the air blower 91 is fixedly connected with an air outlet pipe 93, one end of the air outlet pipe 93 is fixedly connected with a heating box 94, and an air outlet end of the heating box 94 is communicated with the inner cavity of the drying cylinder 4 through a heating pipe 95.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an asphalt concrete smashes and uses drying device, includes screening case (1), its characterized in that: screening case (1) one side is provided with discharge opening (2), screening plant (3) are installed to screening case (1) inner chamber, screening case (1) up end fixedly connected with drying tube (4), drying tube (4) inner chamber fixedly connected with crushing tube (5), agitating unit (6) are installed to crushing tube (5) inner chamber, crushing tube (5) up end fixedly connected with feeder hopper (7), terminal surface middle part fixedly connected with relief hole (8) under crushing tube (5), electromagnetic valve is installed to relief hole (8) inner chamber, drying device (9) are installed to screening case (1) up end, screening case (1) one side fixedly connected with driving motor (10), driving motor (10) output shaft end fixedly connected with dwang (11).

2. The drying device for smashing asphalt concrete according to claim 1, wherein the screening device (3) is composed of a protruding block (31), a rotating column (32), a disc (33), a cylinder (34), a T-shaped block (35), a screen (36), a rack (37), a gear (38), a smashing roller (39), an air blowing plate (310) and an air supply pipe (311), the protruding block (31) is fixedly connected to one side of the screening box (1), and the rotating column (32) is rotatably connected to an inner cavity of the protruding block (31).

3. The drying device for asphalt concrete crushing according to claim 2, wherein the outer surface of the rotating rod (11) is rotatably connected with a rotating column (32) through a bevel gear set, one end of the rotating column (32) is fixedly connected with a disc (33), one side of the disc (33) is fixedly connected with a cylinder (34), the outer surface of the cylinder (34) is slidably connected with a T-shaped block (35), one end of the T-shaped block (35) is fixedly connected with a screen (36), and one end of the T-shaped block (35) penetrates through the screening box (1) and is slidably connected with the screening box (1).

4. The drying device for asphalt concrete pulverization according to claim 3, wherein two ends of the upper end face of the screen (36) are respectively and fixedly connected with a rack (37), the rack (37) is engaged with a gear (38), the middle part of the gear (38) is fixedly connected with a pulverizing roller (39), the inner cavity of the sieving box (1) is slidably connected with the screen (36) through a sliding chute, the inner cavity of the sieving box (1) is rotatably connected with the pulverizing roller (39), one side of the inner cavity of the sieving box (1) is fixedly connected with an air blowing plate (310), and the air blowing plate (310) is positioned between the drying cylinders (4) and is fixedly connected with an air supply pipe (311).

5. The drying device for asphalt concrete pulverization according to claim 1, wherein the stirring device (6) is composed of a stirring shaft (61), side wall scrapers (62), a stirring rod (63) and a bottom scraper (64), the outer surface of the rotating rod (11) is rotatably connected with the stirring shaft (61) through a chain wheel set matching chain, and the side wall scrapers (62) are fixedly connected to the upper portion of the outer surface of the stirring shaft (61).

6. The drying device for asphalt concrete pulverization according to claim 5, characterized in that one side of the side wall scraper (62) is in contact with the inner cavity of the pulverization barrel (5), the middle part of the outer surface of the stirring shaft (61) is fixedly connected with a stirring rod (63), the lower part of the outer surface of the stirring shaft (61) is fixedly connected with a bottom scraper (64), and one side of the bottom scraper (64) is in contact with the bottom of the inner cavity of the screening box (1).

7. The drying device for asphalt concrete crushing according to claim 1, wherein the drying device (9) is composed of an air blower (91), an air inlet pipe (92), an air outlet pipe (93), a heating box (94) and a heating pipe (95), the upper end face of the screening box (1) is fixedly connected with the air blower (91) and the heating box (94) respectively, and a heating rod is installed in the inner cavity of the heating box (94).

8. The drying device for asphalt concrete pulverization according to claim 7, characterized in that an air inlet end of the air blower (91) is fixedly connected with an air inlet pipe (92), an air outlet end of the air blower (91) is fixedly connected with an air outlet pipe (93), one end of the air outlet pipe (93) is fixedly connected with a heating box (94), and an air outlet end of the heating box (94) is communicated with an inner cavity of the drying cylinder (4) through a heating pipe (95).