CN212477328U - Recycling device for recycled powder of asphalt mixing station - Google Patents

Abstract

Asphalt mixing station retrieves powder and recycles device. Because the temperature of the dust entering the dust removal box is high, some sealing parts in the equipment are aged and deteriorated to be damaged, and the use of the equipment is influenced. The utility model discloses the constitution includes: the recycling bin (1), sack cleaner (3) and screw feeder (7), 4 room bodies (19) are separated into through three baffle (17) from a left side to the right side parallel arrangement to the inside of recycling bin, the internal left and right sides of every room is fixed with swash plate (18) respectively, left and right sides swash plate staggered arrangement, every room body top all is provided with drive branch thing ware (16), drive branch thing ware includes central pivot, the cover has loop bar (23) and is fixed with the loop bar in the central pivot, both sides overlap respectively around the loop bar has ring flange (22), be fixed with a set of partition spoon (21) according to the circumference evenly distributed of loop bar between two ring flanges. The utility model is used for the powder recycles device is retrieved to pitch mixing station.

Description

Recycling device for recycled powder of asphalt mixing station

The technical field is as follows:

the utility model relates to a device is recycled to pitch mixing station recovery powder.

Background art:

the existing asphalt mixing station is generally an intermittent forced asphalt concrete station which can generate a large amount of dust in the mixing operation, and the dust removal device of the existing asphalt mixing station mainly adopts a bag-type device (also called a dust removal box) which has high dust removal efficiency which can reach more than 95 percent generally. However, currently, there are roughly two points of dust recovered by dust boxes: firstly, the waste is discarded, and secondly, the waste is directly used as filler according to the process flow. Waste dust can cause great waste and is not favorable for environmental protection; and if the dust is directly metered, the quality of equipment and products is greatly influenced, because the temperature of dust entering a dust removal box is high, the temperature is generally between 100 and 130 ℃, and the high temperature can cause that some sealing parts in the equipment are aged, deteriorated and damaged, and the use of the equipment is influenced. In addition, aggregate components with the particle size of 0.075mm-0.3mm are generally lacked in the finished product, so that the quality of the asphalt mixture is unstable, and therefore, a recycling device of the recycled powder of the asphalt mixing station with a cooling function is needed to be provided to overcome the defect of 0.075mm-0.3mm gradation in the finished product.

The utility model has the following contents:

the utility model aims at providing a device is recycled to pitch mixing station recovery powder.

The above purpose is realized by the following technical scheme:

a device for recycling powder of an asphalt mixing station comprises: the recycling bin is internally divided into 4 chamber bodies by three parallel partition plates arranged from left to right, inclined plates are respectively fixed on the left side and the right side in each chamber body, the inclined plates on the left side and the right side are arranged in a staggered manner, and a driving material separator is arranged above each chamber body;

the driving object separator comprises a central rotating shaft, the central rotating shaft is sleeved with a sleeve rod and fixed with the sleeve rod, the front side and the rear side of the sleeve rod are respectively sleeved with a circular ring flange, and a group of separating spoons which are uniformly distributed according to the circumference of the sleeve rod are fixed between the two circular ring flanges.

Asphalt mixing station retrieve powder and recycle device, one side of center pivot wear out the collection box and with the collection box lateral wall pass through the bearing and connect, the center pivot on be fixed with two belt pulleys, the collection box rear side be fixed with gear motor, gear motor's output shaft and first the belt pulley of center pivot pass through belt drive, adjacent the center pivot between pass through belt drive.

Has the advantages that:

1. the utility model discloses can distribute the recovery through a plurality of partition spoons to the aggregate that falls into every room body, along with the rotation of central pivot for on the aggregate that separates in the spoon falls into the left swash plate of every room body, can prolong the time that the aggregate stops in the room body, reduced the accumulational heat preservation time of aggregate.

The utility model discloses set up the swash plate that two slopes were arranged, and granule dispersion when sliding on two swash plates of aggregate is favorable to the heat dissipation.

Description of the drawings:

FIG. 1 is a front view of the present invention;

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

fig. 3 is a rear view of the present invention;

FIG. 4 is a front view of the drive splitter;

FIG. 5 is a side view of the driven dispenser;

FIG. 6 is a schematic structural view of a central rotating shaft;

in the figure: 1. a recycling bin; 2. A feed pipe; 3. a bag-type dust collector; 4. an induced draft fan; 6. A discharging hopper; 7. a screw feeder; 8. an electrically operated valve; 9. a suction fan; 10. a heat exchange pipe; 13. A sampling hole; 14. a particle size detector; 15. a water chilling unit; 16. driving the material separator; 17. a partition plate; 18. a sloping plate; 19. a chamber body; 20. a central rotating shaft; 21. a separating spoon; 22. blocking edges; 23. a loop bar; 24. a reduction motor; 25. a pulley.

The specific implementation mode is as follows:

example 1:

a device for recycling powder of an asphalt mixing station comprises: recovery box 1, sack cleaner 3 and screw feeder 7, the recovery box inside separate into 4 room bodies 19 through three baffle 17 from a left side to the parallel side by side arrangement in the right side, the baffle has clearance air feed stream and aggregate to pass through, every with the recovery box top the internal left and right sides in room be fixed with swash plate 18 respectively, the left and right sides swash plate dislocation arrangement, every room body top all be provided with the drive and divide thing ware 16, two are the heat transfer board that has the cavity, on two swash plates were fixed in the relative both sides wall of room body respectively, the equal downward sloping of two swash plates just distributes in a staggered way, aggregate on the swash plate of left side can slide to the right side swash plate of below on.

The driving object separator comprises a central rotating shaft, a sleeve rod 23 is sleeved on the central rotating shaft and fixed with the sleeve rod, the fixing is a welding form, circular ring flanges 22 are respectively sleeved on the front side and the rear side of the sleeve rod, a group of separating spoons 21 are fixed between the circular ring flanges and evenly distributed on the circumference of the sleeve rod, the circular ring flanges are welded on the sleeve rod, and the two ends of each separating spoon are welded with the circular ring flanges on the corresponding sides.

Example 2:

according to embodiment 1 pitch mixing station retrieves powder and recycles device, one side of center pivot wear out the collection box and with the collection box lateral wall pass through the bearing and connect, center pivot on be fixed with two belt pulleys 25, the collection box rear side be fixed with gear motor 24, gear motor's output shaft and first center pivot a belt pulley pass through belt drive, adjacent center pivot between pass through belt drive, as shown in fig. 3, gear motor and the outside belt pulley of the first center pivot in right side pass through belt drive, the inboard belt pulley of the first center pivot in right side and the inboard belt pulley of the second center pivot in right side pass through belt drive, the outside belt pulley of the second center pivot in right side and the outside belt pulley of the third center pivot in right side pass through belt drive, the inboard belt pulley of the third center pivot in right side and the inboard belt pulley of the fourth center pivot in right side pass through belt drive The belt transmission realizes the synchronous rotation of the four central rotating shafts, and the rotation of the central rotating shafts is clockwise rotation, so that the aggregate in each separating spoon can fall onto the separating plate in the rotation process.

The utility model discloses a recycle device still includes: one side switch-on in top of collection box 1 has inlet pipe 2 that is used for advancing the aggregate, and 1 top opposite side of collection box switches on with the feed inlet of sack cleaner 3, and the switch-on has draught fan 4 on the gas outlet of sack cleaner 3, and screw feeder 7 communicates with the bottom of collection box 1, and screw feeder 7 sets up along the length direction of collection box 1, and inlet pipe 2 is located the left side of collection box 1, and sack cleaner 3 is located the right side of collection box 1.

As shown in figure 1, the aggregate is sucked into a recovery box 1 and a bag-type dust collector 3 from a feeding pipe 2 in sequence by the drainage action of an induced draft fan 4, the aggregate in the recovery box 1 is automatically classified according to the particle size under the action of gravity, the aggregate with large particle size falls in a chamber body closest to the feeding pipe 2 (the leftmost side in the figure), the aggregate with the minimum particle size falls in a chamber body farthest from the feeding pipe 2 (the rightmost side in the figure), and the aggregate with the particle size between the maximum particle size and the minimum particle size is sequentially distributed between the chamber bodies at two ends.

As shown in fig. 1, a discharge hopper 6 is arranged at the bottom of each chamber body, an electric valve 8 is arranged at the bottom of each discharge hopper 6, and all the electric valves 8 extend into a spiral feeder 7; also install the electrically operated valve 8 that stretches into feed screw 7 on the discharge gate of sack cleaner 3 bottom, and electrically operated valve 8 on the sack cleaner 3 is the one that is closest to feed screw 7 discharge end among all electrically operated valve 8, let in feed screw 7 with the aggregate that separates in the sack cleaner 3 as the minimum aggregate of particle diameter, aggregate particle diameter screening scope has been enlarged, feed screw 7 keeps away from the one end of ejection of compact (leftmost end in the picture) intercommunication has suction fan 9, feed screw 7's discharge end (rightmost end in the picture) intercommunication has cooling water set 15, cooling water set 15 utilizes cold salt water and forms cold air after the air heat transfer refrigeration, make cold air pass through feed screw 7 after suction fan 9 induced drafts, can cool off inner wall and the helical blade of feed screw 7. The discharge end (rightmost end in the figure) of the screw feeder 7 is provided with a sampling hole 13 and connected with a particle size detector 14 for detecting the particle size of the output aggregate.

As shown in fig. 1, a plurality of heat exchange tubes 10 are arranged at the bottom of each chamber, and the heat exchange tubes 10 can exchange heat with the aggregate in the chamber 1a, so as to cool the aggregate and utilize the waste heat.

The working principle is as follows: the aggregate is sucked into a recovery box 1 and a bag-type dust collector 3 from a feeding pipe 2 in sequence by utilizing the drainage function of an induced draft fan 4, the aggregate in the recovery box 1 is automatically classified according to the particle size under the action of gravity, the aggregate with large particle size falls into a chamber body nearest to the feeding pipe 2, the aggregate with minimum particle size falls into a chamber body farthest from the feeding pipe 2, the aggregate with the particle size between the maximum particle size and the minimum particle size is sequentially distributed between the chamber bodies at two ends, the aggregate entering the chamber bodies falls into one of the separating spoons, then the aggregate falls down along with the clockwise rotation of a central rotating shaft when the separating spoons with the aggregate rotate to the opening downwards, the aggregate falls onto a sloping plate at the left side, then the aggregate slides onto a sloping plate at the right side to fall into the bottom of the chamber body, a certain electric valve 8 is opened to enable the aggregate in the corresponding chamber body to fall into a spiral feeder 7, and whether the, if so, continuing production, otherwise, sucking the aggregate in the spiral feeder 7 by using the suction fan 9, then opening the electric valve 8 of the adjacent chamber body, continuing to detect the discharge particle size of the spiral feeder 7 until the requirement is met, and because the discharge of the electric valve 8 is cooled in the conveying process in the spiral feeder 7, the recycled powder recycling device of the asphalt mixing station has the functions of cooling and screening the aggregate with the required particle size.

Fall into in every indoor aggregate falls into the separation spoon, make it stop in separating the spoon along with the rotation of central pivot, the dwell time of aggregate has been increased, set up two swash plates simultaneously, make the aggregate landing on two swash plates, the motion path of aggregate in the indoor has been prolonged, the heat preservation time of piling up of aggregate has been reduced, and the aggregate particle dispersion when sliding on two swash plates, be favorable to the heat dissipation, heat exchange tube 10 buries in the aggregate that accumulates in the room bottom, high temperature aggregate can fully exchange heat with the liquid in the heat exchange tube.

The aggregate can be taken out from the sampling hole 13, and the particle size of the aggregate is detected by a handheld particle size detection device to determine whether the particle size of the aggregate meets the requirement; the particle size can be automatically detected on line in real time by the particle size detector 14 on the discharge of the spiral feeder 7, the detection result is fed back to the controller, and the controller controls the electric valve 8 to open and close, so that the effect of automatically screening aggregate with the required particle size is achieved.

Claims (2)

1. A device for recycling powder of an asphalt mixing station comprises: collection box, sack cleaner and feed screw, characterized by: the interior of the recovery box is divided into 4 chamber bodies by three partition plates which are arranged in parallel from left to right, inclined plates are respectively fixed on the left side and the right side in each chamber body, the inclined plates on the left side and the right side are arranged in a staggered manner, and a driving material separator is arranged above each chamber body;

the driving object separator comprises a central rotating shaft, the central rotating shaft is sleeved with a sleeve rod and fixed with the sleeve rod, the front side and the rear side of the sleeve rod are respectively sleeved with a circular ring flange, and a group of separating spoons which are uniformly distributed according to the circumference of the sleeve rod are fixed between the two circular ring flanges.

2. The asphalt mixing station reclaimed powder recycling device of claim 1, wherein: one side of center pivot wear out the collection box and with the collection box lateral wall pass through the bearing and connect, the center pivot on be fixed with two belt pulleys, the collection box rear side be fixed with gear motor, gear motor's output shaft and first the belt pulley of center pivot pass through belt drive, adjacent the center pivot between pass through belt drive.

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