CN212597135U

CN212597135U - Asphalt mixing building flash screening recovery unit

Info

Publication number: CN212597135U
Application number: CN202020981612.4U
Authority: CN
Inventors: 侯立永; 李彬
Original assignee: Jiangsu Port Access Bridge Group Co ltd
Current assignee: Jiangsu Port Access Bridge Group Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-26
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a pitch mix building flash screening recovery unit, including the storehouse body, the conveyer belt, the baffle, the screening grid, screening mechanism and recovery mechanism, the input of conveyer belt is connected with the flash position of pitch mix building mutually supports, the output is connected with the feed inlet of establishing at storehouse body one side lower extreme, dry chamber is separated into by the baffle to the internal portion in storehouse, screening chamber and the ascending chamber of material, dry chamber is located the baffle under, the ascending chamber of material is located the one side that the baffle is close to storehouse body feed inlet, the ascending chamber of material and dry chamber intercommunication, screening chamber and material are risen and are equipped with the screening grid between the chamber, screening intracavity portion is equipped with screening mechanism, storehouse body outside is equipped with the air exhauster, air exhauster and screening chamber intercommunication. The utility model discloses reducible area improves the dust particle utilization ratio of flash part, and reduction in production cost improves the stability of bituminous mixture production gradation.

Description

Asphalt mixing building flash screening recovery unit

Technical Field

The utility model belongs to the technical field of asphalt concrete mixing equipment, concretely relates to pitch mix building flash screening recovery unit.

Background

Among the prior art, the supporting flash part of asphalt mixing building directly drops from the mixing building hot feed bin, frequently uses loader and tipper to connect the material to transport to random whereabouts are stacked, and this kind of treatment not only need occupy a large amount of parking spaces, and loader and tipper connect the material transportation cost high, is removing dust to this part material in addition when retrieving, and the dust particle utilization ratio is less, leads to annual stone sand loss high, has influenced the stability of asphalt mixture production gradation simultaneously.

Disclosure of Invention

The utility model discloses not enough to in the background art, a pitch mix building flash screening recovery unit is provided, through the utility model discloses reducible area improves the dust particle utilization ratio of flash part, and reduction in production cost improves the stability of bituminous mixture production gradation.

In order to achieve the above object, the technical solution of the present invention is as follows:

the utility model provides a pitch mix building flash screening recovery unit which characterized in that: the asphalt mixing plant comprises a bin body, a conveying belt, a partition plate, a screening grid, a screening mechanism and a recovery mechanism, wherein the input end of the conveying belt is mutually matched and connected with an overflow part of an asphalt mixing plant, the output end of the conveying belt is connected with a feed inlet arranged at the lower end of one side of the bin body, a large-particle discharge port is arranged at the lower end of the other side of the bin body, the interior of the bin body is divided into a drying cavity, a screening cavity and a material ascending cavity by the partition plate, the vertical section of the partition plate is L-shaped, the drying cavity is positioned under the partition plate, the material ascending cavity is positioned at one side of the partition plate close to the feed inlet of the bin body, the material ascending cavity is communicated with the drying cavity, the feed inlet and the large-particle discharge port are respectively positioned at two sides of the drying cavity, the screening grid is arranged between the, the outside of the bin body is provided with an exhaust fan which is communicated with the screening cavity.

Preferably, the screening grid includes rectangular frame body, screw rod, a plurality of deflector plate and connecting rod, and a plurality of deflector plate top-down interval distribution is in the rectangular frame body in proper order, and the both ends of every deflector plate all rotate with rectangular frame body and be connected, and it has the connecting rod to articulate between every two adjacent deflector plates, and the deflector plate of the top rotates and is connected with the screw rod, the upper end and the storehouse body threaded connection of screw rod to outwards extend and be connected with adjust knob.

Preferably, the inner wall of the bin body is provided with a slot, and the rectangular frame body is matched with the slot for installation.

Preferably, screening mechanism includes tiny particle recycling pipe, first auger, second auger and a plurality of filter bag, and a plurality of filter bag is located the top in screening chamber and is connected with the air exhauster, and the second auger is installed in the bottom in screening chamber, and tiny particle recycling pipe is located between filter bag and the second auger, and first auger is installed in tiny particle recycling pipe, and the tiny particle discharge gate is located the discharge end of tiny particle recycling pipe, and the feed end of tiny particle recycling pipe is equipped with the stock guide, and the stock guide is located screening grid below.

Preferably, the guide plate is obliquely arranged, and the height of one side of the guide plate, which is close to the screening grid, is greater than the height of one side of the guide plate, which is connected with the small particle recovery pipe.

Preferably, the end part of the material guide plate extends into the material ascending cavity.

Preferably, the side wall of the bin body is provided with an ash removal port, and the ash removal port is positioned at the tail end of the second auger.

Preferably, the ash removing port is provided with a fixed plug.

Preferably, the recovery mechanism comprises a collecting pipe and two recovery branch pipes, the two recovery branch pipes are obliquely arranged, the higher ends of the two recovery branch pipes are respectively connected with the large particle discharge port and the small particle discharge port, and the lower ends of the two recovery branch pipes are communicated with the collecting pipe.

Preferably, the bottom plate of the bin body is arranged in an inclined manner, and the height of one end of the discharge port of the bin body is smaller than that of one end of the feed port of the bin body.

Compared with the prior art, the utility model discloses beneficial effect as follows:

the utility model discloses can carry the flash to pitch mix building to the internal screening of storehouse through the conveyer belt and retrieve, not only reduce the area that the flash was stacked, reduce manufacturing cost, reduce environmental pollution, improve the dust particle utilization ratio of flash part moreover, improve the stability of bituminous mixture production gradation.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

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

fig. 2 is a schematic sectional view of the chamber body from a-a of fig. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

in the figure: 1. the bin body, 2, conveyer belt, 3, baffle, 4, screening grid, 401, rectangle framework, 402, screw rod, 403, deflector, 404, connecting rod, 405, adjust knob, 5, feed inlet, 6, large granule discharge gate, 7, dry chamber, 8, screening chamber, 9, material rise chamber, 10, small granule discharge gate, 11, slot, 12, small granule recovery tube, 13, first hank long, 14, second auger, 15, air exhauster, 16, filter bag, 17, stock guide, 18, deashing mouth, 19, fixed plug, 20, header, 21, recovery branch pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in figures 1 and 2, the asphalt mixing building flash screening and recycling device comprises a bin body 1, a conveyer belt 2, a partition plate 3, a screening grid 4, a screening mechanism and a recycling mechanism, wherein the input end of the conveyer belt is mutually matched and connected with the flash part of an asphalt mixing building, the output end of the conveyer belt is connected with a feed inlet 5 arranged at the lower end of one side of the bin body, the conveyer belt is used for directly conveying flash to the interior of the bin body, the frequent use of a loader and a dump truck for receiving and transferring is avoided, the production cost investment is reduced, the space for stacking flash is not occupied, the lower end of the other side of the bin body is provided with a large-particle discharge port 6, the interior of the bin body is divided into a drying cavity 7, a screening cavity 8 and a material lifting cavity 9 by the partition plate, the vertical section of the partition plate is L-shaped, the partition plate is fixedly connected with the inner wall of the bin body, the, the material rises the chamber and is located the one side that the baffle is close to storehouse body feed inlet, the material rises chamber and dry chamber intercommunication, the feed inlet, the large granule discharge gate is located the both sides in dry chamber respectively, the feed inlet, large granule discharge gate and dry chamber intercommunication, it is equipped with the screening grid to go up between the chamber with the material to screen the chamber, the screening grid is located between the riser of baffle and the roof of the storehouse body, the inside screening mechanism that is equipped with of screening chamber, screening chamber side is equipped with tiny particle discharge gate 10, the large granule discharge gate, the tiny particle discharge gate all is connected with recovery mechanism, storehouse body exterior is equipped with air exhauster 15, air exhauster and. Carry the flash to the internal storehouse by the conveyer belt and include the large granule material, tiny particle material and dust three, wherein the large granule material directly gets into dry chamber under the effect of gravity, directly retrieved by recovery mechanism by the large granule discharge gate after the drying, tiny particle material and dust are then under the effect of air exhauster, the chamber rises through the material in proper order, the screening grid, by classification behind the screening mechanism, tiny particle material gets into recovery mechanism by the tiny particle discharge gate, the dust is collected in order to deal with in addition.

As shown in fig. 1 and 3, the screening grid includes a rectangular frame 401, a screw 402, a plurality of steering plates 403 and a connecting rod 404, the plurality of steering plates are sequentially distributed in the rectangular frame from top to bottom at intervals, both ends of each steering plate are rotatably connected with the rectangular frame, a connecting rod is hinged between every two adjacent steering plates, the steering plate at the uppermost end is rotatably connected with the screw, the upper end of the screw is in threaded connection with the bin body, and the screw extends outwards to be connected with an adjusting knob 405. When the adjusting knob is rotated, the screw rod vertically moves downwards or upwards, the uppermost steering plate is driven by the screw rod to swing, and the lifting of the adjusting screw rod can control all the steering plates to swing synchronously due to the fact that the connecting rod is hinged between every two adjacent steering plates, so that the inclined angle of the steering plates can be changed, and the using requirements of various materials during recovery are met. As shown in the figure 2, the inner wall of the bin body is provided with slots 11, and the rectangular frame body and the slots are mutually matched and installed, so that the screening grille and the bin body can be conveniently disassembled and assembled. When the air exhauster is in operation, small particle materials and dust encounter blocking of a plurality of steering plates when passing through the screening grating, the small particle materials fall downwards, and the dust is adsorbed on the surface of the filter bag, so that the small particle materials and the dust are separated.

As shown in fig. 1, the screening mechanism includes a small particle recycling pipe 12, a first auger 13, a second auger 14 and a plurality of filter bags 16, the small particle recycling pipe is located between the filter bags and the second auger, the first auger is installed in the small particle recycling pipe, a small particle discharge port is located at a discharge end of the small particle recycling pipe, a material guide plate 17 is arranged at a feed end of the small particle recycling pipe, the material guide plate is located below the screening grid, the material guide plate is obliquely arranged, the height of one side of the material guide plate close to the screening grid is greater than the height of one side of the material guide plate connected with the small particle recycling pipe, the end of the material guide plate extends into a material ascending cavity, the small particle material falls onto the material guide plate after being blocked by the screening grid, and enters the small particle recycling pipe, and the small particles entering the small particle recycling pipe are conveyed to the small particle discharge port by the first auger and are recycled. A plurality of filter bag is located the top in screening chamber and is connected with the air exhauster, the air exhauster can remove dust to the material and handle, the dust is adsorbed on the filter bag surface, the second auger is installed in the bottom in screening chamber, be equipped with deashing mouth 18 on the storehouse body side wall, the deashing mouth is located the end of second auger, the deashing mouth is provided with fixed stopper 19, when the large granule material, after the screening recovery processing of tiny particle material, reverse blow to the filter bag, can blow off the dust that attaches to the filter bag surface, the dust falls on the baffle of screening chamber bottom, recycle the second auger and carry the dust, open fixed stopper, discharge the dust by the deashing mouth and handle.

As shown in FIG. 1, the recycling mechanism comprises a collecting pipe 20 and two recycling branch pipes 21, the two recycling branch pipes are obliquely arranged, the higher ends of the two recycling branch pipes are respectively connected with the large particle discharge hole and the small particle discharge hole, and the lower ends of the two recycling branch pipes are communicated with the collecting pipe, so that large particle materials and small particle materials are collected in a centralized manner and recycled.

The novel working principle is as follows:

as shown in fig. 1 to 3, firstly, the conveying belt 2 conveys the overflow of the asphalt mixing plant into the silo, and at the same time, the exhaust fan 15 is started, the large granule material enters the drying chamber 7 under the action of gravity, after drying treatment, the large granule material is discharged from the large granule discharge port 6, the small granule material and the dust move upwards from the material ascending chamber 9 under the action of the exhaust fan 15, when passing through the sieving grille 4, the small granule material is blocked by the plurality of steering plates 403, the small granule falls onto the guide plate 17 below the small granule material and enters the small granule recovery pipe 12, the dust enters the sieving chamber 8 and is adsorbed on the surfaces of the plurality of filter bags 16, the small granule material is conveyed to the small granule discharge port 10 by the first auger 13 and is discharged, the discharged large granule material and small granule material respectively enter the collecting pipe 20 through the recovery branch pipes 21, so that the material can be recovered and utilized, and the stability of asphalt mixture production grading is improved, the loss rate of the stone sand is reduced; when the large particle materials and the small particle materials are completely recovered, the filter bag 16 is blown reversely, so that dust falls off from the surface of the filter bag to the partition plate 3 at the bottom of the screening cavity 8, and is discharged from the ash cleaning port 18 by the second auger 14.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a pitch mix building flash screening recovery unit which characterized in that: the asphalt mixing plant comprises a bin body, a conveying belt, a partition plate, a screening grid, a screening mechanism and a recovery mechanism, wherein the input end of the conveying belt is mutually matched and connected with an overflow part of an asphalt mixing plant, the output end of the conveying belt is connected with a feed inlet arranged at the lower end of one side of the bin body, a large-particle discharge port is arranged at the lower end of the other side of the bin body, the interior of the bin body is divided into a drying cavity, a screening cavity and a material ascending cavity by the partition plate, the vertical section of the partition plate is L-shaped, the drying cavity is positioned under the partition plate, the material ascending cavity is positioned at one side of the partition plate close to the feed inlet of the bin body, the material ascending cavity is communicated with the drying cavity, the feed inlet and the large-particle discharge port are respectively positioned at two sides of the drying cavity, the screening grid is arranged between the, the outside of the bin body is provided with an exhaust fan which is communicated with the screening cavity.

2. The asphalt mixing plant flash screening recovery device of claim 1, characterized in that: the screening grid includes rectangle framework, screw rod, a plurality of deflector and connecting rod, and a plurality of deflector top-down interval distribution is in proper order in the rectangle framework, and the both ends of every deflector all rotate with the rectangle framework and be connected, and it has the connecting rod to articulate between every two adjacent deflectors, and the deflector of the top rotates and is connected with the screw rod, the upper end and the storehouse body threaded connection of screw rod to outside extension is connected with adjust knob.

3. The asphalt mixing plant flash screening recovery device of claim 2, characterized in that: the inner wall of the bin body is provided with a slot, and the rectangular frame body is matched with the slot for installation.

4. The asphalt mixing plant flash screening recovery device of claim 1, characterized in that: screening mechanism includes tiny particle recycling pipe, first auger, second auger and a plurality of filter bag, and a plurality of filter bag is located the top in screening chamber and is connected with the air exhauster, and the second auger is installed in the bottom in screening chamber, and tiny particle recycling pipe is located between filter bag and the second auger, and first auger is installed in tiny particle recycling pipe, and the tiny particle discharge gate is located the discharge end of tiny particle recycling pipe, and the feed end of tiny particle recycling pipe is equipped with the stock guide, and the stock guide is located screening grid below.

5. The asphalt mixing plant flash screening recovery device of claim 4, wherein: the guide plate is obliquely arranged, and the height of one side of the guide plate, which is close to the screening grid, is greater than the height of one side of the guide plate, which is connected with the small particle recovery pipe.

6. The asphalt mixing plant flash screening recovery device of claim 5, wherein: the end part of the material guide plate extends into the material ascending cavity.

7. The asphalt mixing plant flash screening recovery device of claim 4, wherein: and an ash removal port is arranged on the side wall of the bin body and is positioned at the tail end of the second auger.

8. The asphalt mixing plant flash screening recovery device of claim 7, wherein: the ash removing opening is provided with a fixed plug.

9. The asphalt mixing plant flash screening recovery device of claim 1, characterized in that: the recycling mechanism comprises a collecting pipe and two recycling branch pipes, the two recycling branch pipes are obliquely arranged, the higher ends of the recycling branch pipes are respectively connected with a large particle discharge hole and a small particle discharge hole, and the lower ends of the recycling branch pipes are communicated with the collecting pipe.

10. The asphalt mixing plant flash screening recovery device of claim 1, characterized in that: the bottom plate of the bin body is obliquely arranged, and the height of one end of the discharge port of the bin body is smaller than that of one end of the feed port.