CN217221852U - Stripping and screening equipment for waste asphalt mixture - Google Patents
Stripping and screening equipment for waste asphalt mixture Download PDFInfo
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- CN217221852U CN217221852U CN202221111630.2U CN202221111630U CN217221852U CN 217221852 U CN217221852 U CN 217221852U CN 202221111630 U CN202221111630 U CN 202221111630U CN 217221852 U CN217221852 U CN 217221852U
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- belt conveyor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The utility model relates to a peel off screening equipment for old and useless bituminous mixture, equipment includes the feeding funnel, go up the sieve belt feeder, the shale shaker, connect the hopper, broken belt feeder, double roll crusher, feed back belt feeder and ejection of compact belt feeder, it sets up in the feeding funnel below to go up the sieve belt feeder feed end, the discharge end of going up the sieve belt feeder sets up in the feed end top of shale shaker, it includes super specification feed bin to connect the hopper, the feed end setting of broken belt feeder is in the below of super specification feed bin, broken belt feeder discharge end sets up in double roll crusher feed end top, the feed end setting of feed back belt feeder is in the discharge end below of double roll crusher, the discharge end of feed back belt feeder sets up on the sieve belt feeder, the feed end setting of ejection of compact belt feeder is in connecing the hopper below. The utility model discloses it is rational in infrastructure, realized the screening gradation of peeling off to the old and useless pitch material of each specification.
Description
Technical Field
The utility model relates to a screening equipment technical field, concretely relates to a peel off screening equipment for old and useless bituminous mixture.
Background
The thermal regeneration technology of asphalt mixture is a whole set of technological process of digging or milling, crushing and screening old asphalt pavement, drying, heating and melting the old asphalt pavement by using special equipment, and then re-mixing the old asphalt pavement with new aggregate, new asphalt and other materials in a certain proportion to form a regenerated asphalt mixture with a certain road performance. Waste asphalt materials are from digging or milling old asphalt pavements, the specifications of the recovered waste asphalt mixtures are large or small under the restriction of various factors, when the diameter of the waste asphalt mixtures is larger than 50mm, the inside of the recovered asphalt pavement materials cannot be heated to the required temperature in the later heating and drying process, the inside of the waste materials is still in a hardening and caking state due to the lower inside temperature, and the subsequent process cannot be smoothly completed due to caking, so that the product quality of the asphalt mixtures is seriously influenced.
In order to obtain high-quality recycled asphalt mixture, stripping screening gradation is one of essential processes for pretreating recycled materials, a jaw crusher is adopted in the traditional method, a method of a first-stage two-layer vibrating screen and a second-stage single-layer vibrating screen is adopted to crush and screen the waste asphalt mixture, the working principle of the method is to crush the waste asphalt mixture through an extrusion or knocking method, and then a two-stage screening device is used to screen required materials, but the asphalt mixture has high viscosity, and the viscosity effect of the extrusion or knocking on the asphalt is limited, so that the crushed degree is low, the technical requirement of gradation cannot be met, meanwhile, the equipment integration degree is low, and the occupied area of the two-stage screening is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a peel off screening equipment for old and useless bituminous mixture solves the above-mentioned problem that current old and useless bituminous mixture treatment facility exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a stripping and screening device for waste asphalt mixture comprises a feeding hopper, a feeding screen belt conveyor, a vibrating screen, a receiving hopper, a crushing belt conveyor, a double-roller crusher, a feed back belt conveyor and a discharge belt conveyor; the feeding end of the upper screen belt conveyor is arranged below the feeding hopper, and the discharging end of the upper screen belt conveyor is arranged above the feeding end of the vibrating screen; the receiving hopper comprises an over-specification bin, the feeding end of the crushing belt conveyor is arranged below the over-specification bin, and the discharging end of the crushing belt conveyor is arranged above the feeding end of the double-roller crusher; the feeding end of the feed back belt conveyor is arranged below the discharging end of the double-roller crusher, and the discharging end of the feed back belt conveyor is arranged on the upper screen belt conveyor; the feed end of the discharge belt conveyor is arranged below the receiving hopper.
Further, the shale shaker includes big material screen cloth, middlings screen cloth, thin material screen cloth and supplementary vibration endless chain, wherein, supplementary vibration endless chain is established thin material screen cloth top, the super specification feed bin is established big material screen cloth one side for accept not through the material of big material screen cloth.
Furthermore, connect the hopper still include big feed bin, well feed bin and thin feed bin, big feed bin is established well material screen cloth one side for accept and see through the big material screen cloth can't see through the old and useless pitch material of well material screen cloth, well feed bin is established thin feed screen cloth one side is used for accepting and seeing through the well material screen cloth can't see through the old and useless pitch material of thin feed screen cloth, thin feed bin establishes in thin feed screen cloth below, is used for accepting and sees through the old and useless pitch material of thin feed screen cloth.
Furthermore, the discharge belt conveyor has three, with big feed bin, well feed bin and thin feed bin one-to-one.
Furthermore, the feed back belt conveyor comprises a first feed back belt conveyor and a second feed back belt conveyor, the feeding end of the first feed back belt conveyor is arranged below the discharging end of the double-roller crusher, the discharging end of the first feed back belt conveyor is arranged above the feeding end of the second feed back belt conveyor, and the discharging end of the second feed back belt conveyor is arranged on the upper screen belt conveyor.
Further, an iron removal device is arranged above the upper screen belt conveyor.
The utility model has the advantages that:
the utility model discloses a peel off screening equipment for old and useless bituminous mixture, through setting up broken belt feeder, double roll crusher and feed back belt feeder, can not pass through the super specification pitch material of shale shaker screen cloth on the shale shaker, will roll through the screen cloth of shale shaker and fall in super specification discharge gate, then smash in carrying to double roll crusher through the broken belt feeder of double roll, at last in the feed back belt feeder gets into the upper screen belt feeder once more, sieve in getting into the shale shaker, thereby the breakage of the old and useless pitch material of super specification has been realized, make old and useless pitch material can reach the technical requirement of peeling off the screen grading.
Drawings
FIG. 1 is a schematic structural diagram of a stripping and screening device for waste asphalt mixture according to the present invention;
FIG. 2 is a schematic view of a receiving hopper and a vibrating screen in the stripping and screening device for waste asphalt mixture of the present invention;
FIG. 3 is a schematic view of the placement position of the discharge belt conveyor in embodiment 1;
FIG. 4 is a schematic view showing the arrangement position of the discharge belt conveyor in embodiment 2;
FIG. 5 is a schematic view of the placement position of the discharge belt conveyor in embodiment 3.
Names corresponding to the marks in the figure:
1. the device comprises a feeding hopper, 2, an iron removal device, 3, a screening belt conveyor, 4, a second material return belt conveyor, 5, a double-roller crusher, 6, a first material return belt conveyor, 7, a crushing belt conveyor, 8, a receiving hopper, 81, a fine material bin, 82, a middle material bin, 83, a large material bin, 84, an over-specification bin, 9, a vibrating screen, 91, a large material screen, 92, a middle material screen, 93, a fine material screen, 10 and a discharging belt conveyor.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Embodiment 1 of the utility model:
the embodiment of the utility model provides an in a peel off screening equipment for old and useless bituminous mixture carries the old and useless pitch material that will surpass the specification through broken belt feeder to the double-roll crusher and carries out the secondary crushing to carry through the feed back belt feeder and sieve once more in carrying to the shale shaker, thereby improved the broken degree of old and useless pitch material.
Specifically, as shown in fig. 1, the stripping and screening device for waste asphalt mixture comprises a feeding hopper 1, a feeding belt conveyor 3, a vibrating screen 9, a receiving hopper 8, a crushing belt conveyor 7, a double-roller crusher 5, a feed back belt conveyor and a discharge belt conveyor 10, wherein the feeding end of the feeding belt conveyor 3 is arranged below the feeding hopper 1, the discharge end of the feeding belt conveyor 3 is arranged above the feeding end of the vibrating screen 9, the receiving hopper 8 is arranged below the vibrating screen 9, the feeding end of the crushing belt conveyor 7 is arranged below the receiving hopper 8, the discharge end of the crushing belt conveyor 7 is arranged above the feeding end of the double-roller crusher 5, the feeding end of the feed back belt conveyor is arranged below the discharge end of the double-roller crusher 5, the discharge end of the feed back belt conveyor is arranged on the feeding belt conveyor 3, the feeding end of the discharge belt conveyor 10 is arranged below the receiving hopper 8, wherein the receiving hopper 8 comprises an over-specification storage bin 84, the feed end of the crushing belt conveyor 7 is arranged below the over-specification bin 84.
Through the arrangement, the waste asphalt materials with the excessive specifications, which cannot pass through the screen of the vibrating screen 9, on the vibrating screen 9 fall into the storage bin 84 with the excessive specifications through the screen of the vibrating screen 9, are conveyed to the double-roller crusher 5 through the crushing belt conveyor 7 to be crushed, and finally enter the upper screening belt conveyor 3 through the material returning belt conveyor again to enter the vibrating screen 9 for screening.
In this embodiment, as shown in fig. 2, the vibrating screen 9 includes a large-material screen 91, a medium-material screen 92, a fine-material screen 93 and an auxiliary vibrating endless chain, wherein the auxiliary vibrating endless chain is disposed above the fine-material screen 93, the over-specification bin 84 is disposed on one side of the large-material screen 91 and is used for receiving materials that do not pass through the large-material screen 91, and the large-material screen 91, the medium-material screen 92 and the fine-material screen 93 are used for screening and grading the waste asphalt materials.
As shown in fig. 2, the receiving hopper 8 further includes a large bin 83, a medium bin 82 and a fine bin 81, the large bin 83 is disposed on one side of the medium screen 92 and is used for receiving the waste asphalt material which can not pass through the medium screen 92 but can not pass through the large screen 91, the medium bin 82 is disposed on one side of the fine screen 93 and is used for receiving the waste asphalt material which can pass through the medium screen 92 but can not pass through the fine screen 93, and the fine bin 81 is disposed below the fine screen 93 and is used for receiving the waste asphalt material which can pass through the fine screen 93.
The waste asphalt materials in the large material bin 83, the middle material bin 82 and the fine material bin 81 are output through the discharge belt conveyor 10, in this embodiment, three discharge belt conveyors 10 are arranged, and correspond to the large material bin 83, the middle material bin 82 and the fine material bin 81 one by one, so that the subsequent processes can process the waste asphalt materials in different levels, and meanwhile, the placement positions of the three discharge belt conveyors can be adjusted to meet the requirements of different fields, in this embodiment, as shown in fig. 3, the schematic diagram of one of the placement positions of the three discharge belt conveyors 10 is shown.
As shown in fig. 2, in this embodiment, the feed back belt machine includes a first feed back belt machine 6 and a second feed back belt machine 4, the feed end of the first feed back belt machine 6 is disposed below the discharge end of the double-roll crusher 5, the discharge end of the first feed back belt machine 6 is disposed above the feed end of the second feed back belt machine 4, the discharge end of the second feed back belt machine 4 is disposed on the upper sieve belt machine 3, and the crushed waste asphalt material with super-specification can be sieved again through the first feed back belt machine 6 and the second feed back belt machine 4.
For rejecting impurities such as iron nails in the waste asphalt material, in the embodiment, the iron removing device 2 is arranged above the upper screen belt conveyor 3, and the iron removing device 2 can adopt an electromagnet or a permanent magnet and is used for rejecting impurities such as iron nails in the waste asphalt material, so that the subsequent processing is facilitated.
The working principle is as follows:
waste asphalt mixture enters the upper screening belt conveyor 3 through the feeding hopper 1, is conveyed to the vibrating screen 9 through the upper screening belt conveyor 3, is screened in the vibrating screen 9, the vibrating screen 9 is provided with a large material screen 91, a medium material screen 92 and a fine material screen 93, waste asphalt materials with super specifications cannot pass through the large material screen 91 and roll down to the receiving hopper 8 through the large material screen 91, the receiving hopper 8 is internally provided with a super specification bin 84, the waste asphalt materials with super specifications are discharged through the super specification bin 84 and enter the crushing belt conveyor 7, are conveyed to the double-roller crusher 5 through the crushing belt conveyor 7 to be secondarily crushed, and the crushed waste asphalt materials are conveyed through the first return belt conveyor 6 and the second return belt conveyor 4 and return to the upper screening belt conveyor 3 again, so that screening can be carried out again.
The utility model discloses an old and useless bituminous mixture's peeling and screening equipment, it is rational in infrastructure, realized peeling and sieving gradation to the old and useless pitch material of each specification.
Embodiment 2 of the utility model:
different from the embodiment 1, the arrangement positions of the three discharging belt conveyors 10 are shown in fig. 4.
different from the embodiment 1, the arrangement positions of the three discharging belt conveyors 10 are shown in fig. 5.
Claims (6)
1. The utility model provides a peel off screening equipment for old and useless bituminous mixture which characterized in that: comprises a feeding hopper, a feeding screen belt conveyor, a vibrating screen, a receiving hopper, a crushing belt conveyor, a double-roller crusher, a feed back belt conveyor and a discharge belt conveyor; the feeding end of the upper screen belt conveyor is arranged below the feeding hopper, and the discharging end of the upper screen belt conveyor is arranged above the feeding end of the vibrating screen; the receiving hopper comprises an over-specification bin, the feeding end of the crushing belt conveyor is arranged below the over-specification bin, and the discharging end of the crushing belt conveyor is arranged above the feeding end of the double-roller crusher; the feed end of the feed back belt conveyor is arranged below the discharge end of the double-roller crusher, and the discharge end of the feed back belt conveyor is arranged on the upper screen belt conveyor; the feed end of the discharge belt conveyor is arranged below the receiving hopper.
2. The stripping and screening plant for waste bituminous mixes according to claim 1, characterized in that: the vibrating screen comprises a large material screen, a medium material screen, a fine material screen and an auxiliary vibrating ring chain, wherein the auxiliary vibrating ring chain is arranged above the fine material screen, and the super-specification storage bin is arranged on one side of the large material screen and used for receiving materials which do not pass through the large material screen.
3. The stripping and screening plant for waste asphalt mixtures according to claim 2, characterized in that: connect the hopper still includes big feed bin, well feed bin and thin material storehouse, big feed bin establishes well material screen cloth one side for accept and see through the big material screen cloth can't see through the old and useless pitch material of well material screen cloth, well feed bin establishes thin material screen cloth one side is used for accepting and sees through well material screen cloth can't see through the old and useless pitch material of thin material screen cloth, thin material storehouse is established in thin material screen cloth below, is used for accepting and sees through the old and useless pitch material of thin material screen cloth.
4. The stripping and screening plant for waste bituminous mixes according to claim 3, characterized in that: the number of the discharge belt conveyors is three, and the three discharge belt conveyors correspond to the large storage bins, the medium storage bins and the fine storage bins one by one.
5. The stripping and screening plant for waste bituminous mixes according to claim 4, characterized in that: the feed back belt conveyor comprises a first feed back belt conveyor and a second feed back belt conveyor, the feeding end of the first feed back belt conveyor is arranged below the discharging end of the double-roller crusher, the discharging end of the first feed back belt conveyor is arranged above the feeding end of the second feed back belt conveyor, and the discharging end of the second feed back belt conveyor is arranged on the upper screen belt conveyor.
6. The stripping and screening plant for waste bituminous mixes according to any one of claims 1 to 5, characterized in that: and an iron removal device is arranged above the upper screen belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221111630.2U CN217221852U (en) | 2022-05-10 | 2022-05-10 | Stripping and screening equipment for waste asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221111630.2U CN217221852U (en) | 2022-05-10 | 2022-05-10 | Stripping and screening equipment for waste asphalt mixture |
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| Publication Number | Publication Date |
|---|---|
| CN217221852U true CN217221852U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221111630.2U Active CN217221852U (en) | 2022-05-10 | 2022-05-10 | Stripping and screening equipment for waste asphalt mixture |
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| Country | Link |
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| CN (1) | CN217221852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299532A (en) * | 2023-10-07 | 2023-12-29 | 廊坊德基机械科技有限公司 | Multifunctional vibrating screen |
-
2022
- 2022-05-10 CN CN202221111630.2U patent/CN217221852U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117299532A (en) * | 2023-10-07 | 2023-12-29 | 廊坊德基机械科技有限公司 | Multifunctional vibrating screen |
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