CN213727028U - Mixture crusher for asphalt recovery - Google Patents
Mixture crusher for asphalt recovery Download PDFInfo
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- CN213727028U CN213727028U CN202120641345.0U CN202120641345U CN213727028U CN 213727028 U CN213727028 U CN 213727028U CN 202120641345 U CN202120641345 U CN 202120641345U CN 213727028 U CN213727028 U CN 213727028U
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Abstract
The utility model discloses a mixture breaker is used in pitch recovery, include: the rough crushing assembly comprises an upper crushing bin and an upper crushing roller, wherein the upper crushing bin is provided with an upper feeding hole and an upper discharging hole; the re-crushing assembly comprises a lower crushing bin with a lower feeding hole and a lower discharging hole, and a lower crushing roller arranged in the lower crushing bin; the vibrating screen assembly comprises a vibrating screen arranged at the lower end of the upper discharge port and used for receiving materials, the vibrating screen is arranged in an inclined mode, the lower end of the vibrating screen is communicated with the lower feed port, and the aperture of a sieve pore of the vibrating screen is equal to the crushing particle size of the lower crushing roller. The utility model discloses have coarse crushing subassembly and the integrated setting of broken subassembly again, sieve through the shale shaker behind coarse crushing, reduce broken work load again, improve the beneficial effect of the life of vulnerable part in broken subassembly.
Description
Technical Field
The utility model relates to a pitch recovery plant technical field. More specifically, the utility model relates to a mixture breaker is used in pitch recovery.
Background
The treatment method of the waste asphalt mixture comprises the following steps: (1) the direct discarding is easy to cause the increase of production cost and environmental pollution; (2) recycling, including cold recycling and heat recycling, wherein the cold recycling is to directly add the asphalt mixture into new liquid asphalt and other materials for recycling, the quality of the recycled mixture is not high, the durability is poor, and the heat recycling mode is widely used at present.
At present, the double-roller crusher with various specifications and models can be selected and used in the market. However, the initial materials of the waste asphalt mixture have the problems of non-uniformity and partial large specification, if the raw materials are directly crushed to the required particle size, the requirement on the performance of the crusher is high, the service life of a vulnerable part is influenced, the raw materials are generally crushed firstly and then crushed again on the basis of the raw materials, the crushing is not integrated, qualified materials are obtained without screening, and the work load of the crushing is increased.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides a mixture breaker is used in pitch recovery, coarse crushing subassembly and the integrated setting of broken subassembly again, sieve through the shale shaker after coarse crushing, reduce broken work load again, improve the life of vulnerable part in broken subassembly.
In order to achieve these objects and other advantages in accordance with the present invention, there is provided a mix crusher for asphalt recycling, including:
the rough crushing assembly comprises an upper crushing bin and an upper crushing roller, wherein the upper crushing bin is provided with an upper feeding hole and an upper discharging hole;
the re-crushing assembly comprises a lower crushing bin with a lower feeding hole and a lower discharging hole, and a lower crushing roller arranged in the lower crushing bin;
the vibrating screen assembly comprises a vibrating screen arranged at the lower end of the upper discharge port and used for receiving materials, the vibrating screen is arranged in an inclined mode, the lower end of the vibrating screen is communicated with the lower feed port, and the aperture of a sieve pore of the vibrating screen is equal to the crushing particle size of the lower crushing roller.
Preferably, the upper crushing bin is rectangular, the upper crushing roller comprises a pair of first crushing rollers arranged at intervals and a first driving device for driving the upper crushing roller to rotate, and the first crushing roller is arranged along the length direction of the upper crushing bin;
go up the first wear-resisting welt of equal detachable installation on the both sides that crushing storehouse and last crushing roller are relative, the distance between two first crushing rollers equals the first crushing roller apart from the distance between its first wear-resisting board that corresponds the side, wherein, every first crushing roller circumference all evenly set up a plurality of first broken tool bits on the first wear-resisting welt.
Preferably, the asphalt recycling mix crusher further includes: the aggregate bin is arranged along the circumferential direction at the top end of the upper breaking bin, and comprises a cuboid feeding portion with an open top end and an inverted quadrangular frustum pyramid-shaped material guiding portion communicated with the bottom end of the feeding portion, wherein the horizontal projection of the upper breaking bin falls into the horizontal projection of the material guiding portion, and the horizontal projection of the bottom end of the material guiding portion twice overlaps with the horizontal projection of the central shaft of the upper breaking roller.
Preferably, the lower crushing bin is rectangular, the lower crushing roller comprises a pair of second crushing rollers arranged at intervals and a second driving device for driving the lower crushing roller to rotate, and the second crushing roller is arranged along the length direction of the lower crushing bin;
the lower crushing bin and the two opposite sides of the lower crushing roller are detachably provided with second wear-resistant lining plates, the distance between the two second crushing rollers is equal to the distance between the second crushing roller and the second wear-resistant lining plate on the corresponding side of the second crushing roller, and a plurality of second crushing cutter heads are uniformly arranged on the second wear-resistant lining plates in the circumferential direction of each second crushing roller.
Preferably, the vibratory screen assembly further comprises:
the top end of the housing is communicated with the discharge hole of the upper crushing bin, the lower crushing bin is arranged on one side of the housing along the width direction, the side wall of the lower crushing bin is shared with the side wall of the housing, the upper part of the shared side wall penetrating through the lower crushing bin is communicated with the housing and is provided with a material guide window, the vibrating screen comprises a rectangular screen body and support plates extending to be arranged on two sides of the screen body along the width direction, and the support plates positioned below are hinged with the bottom end of the material guide window;
the supporting table is arranged on one side of the housing opposite to the material guide window and comprises a bottom supporting part and an arc-shaped guide part, and bristles are arranged at the top end of the supporting plate above the supporting table;
at least one flexible motor, it sets firmly in the housing lateral wall just is located the backup pad below of top, and flexible motor is reciprocal flexible drives the shale shaker vibration, wherein, when flexible motor contracts to the shortest, the backup pad of top supports in the supporting part.
Preferably, the projection of the upper discharge port of the upper crushing bin on the horizontal plane falls into the projection of the rectangular screen body on the horizontal plane.
Preferably, the bottom end of the rectangular screen body is circumferentially covered with a first material guide bag, the lower discharge port of the lower crushing bin is circumferentially covered with a second material guide bag, and the calibers of the first material guide bag and the second material guide bag are reduced from top to bottom.
Preferably, the asphalt recycling mix crusher further includes: and the belt conveying mechanism extends along the width direction of the upper crushing bin, and part of the belt conveying mechanism passes through the lower parts of the first material guide bag and the second material guide bag.
Preferably, the top end of the lower crushing bin is open.
Preferably, the top end of the lower crushing bin is provided with a cover body which can be opened/closed.
The utility model discloses at least, include following beneficial effect:
the coarse crushing component and the re-crushing component are integrated, waste asphalt mixture is crushed through two stages, the damage to an instrument is reduced while the crushing effect is improved, furthermore, the coarse crushing component is screened through a vibrating screen, the re-crushing workload is reduced, and the service life of a vulnerable part in the crushing component is prolonged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a mixture crusher for asphalt recycling according to one embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mixture crusher for asphalt recycling according to one of the technical solutions of the present invention;
fig. 3 is a schematic structural diagram of the first crushing roller according to one embodiment of the present invention.
The reference numerals are specifically: an upper crushing bin 1; an upper feed opening 10; a top discharge port 11; a first crushing roller 12; a lower crushing bin 2; a lower discharge port 21; a second crushing roller 22; a lid body 23; a vibrating screen 3; a rectangular screen body 30; a support plate 31; bristles 32; a first wear-resistant lining plate 4; a first crushing cutter head 40; a collection hopper 5; a feeding section 50; a material guide part 51; a second wear-resistant lining plate 6; a second crushing cutter head 60; a casing 70; a material guide window 71; a support table 72; a bottom support portion 720; a guide portion 721; a telescopic motor 73; a first guide bag 80; a second guide bag 81; a belt conveying mechanism 9.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1-3, the utility model provides a mixture breaker is used in pitch recovery, include:
the coarse crushing component comprises an upper crushing bin 1 with an upper feeding port 10 and an upper discharging port 11, and an upper crushing roller arranged in the upper crushing bin 1, wherein the upper crushing roller is used for crushing a material (waste asphalt mixture) to a first particle size to obtain coarse crushed materials, the particle size of the coarse crushed materials is not larger than the first particle size, and the coarse crushed materials are screened by a vibrating screen 3 to obtain screened materials and residual materials;
the re-crushing assembly comprises a lower crushing bin 2 with a lower feeding hole and a lower discharging hole 21, and a lower crushing roller arranged in the lower crushing bin 2, wherein the lower crushing roller is used for crushing the materials (residual materials) to a second particle size, and the second particle size is smaller than the first particle size;
and the vibrating screen 3 subassembly comprises a vibrating screen 3 which is arranged at the lower end of the upper discharge hole 11 and used for receiving materials, the vibrating screen 3 is obliquely arranged, the lower end of the vibrating screen 3 is communicated with the lower feed hole, and the mesh diameter of the vibrating screen 3 is equal to the crushing grain diameter (second grain diameter) of the lower crushing roller.
In the technical scheme, the upper crushing bin 1 is provided with an upper feeding port 10 and an upper discharging port 11 which are used for feeding and discharging materials, the upper crushing roller is arranged in the upper crushing bin 1 and used for sieving the materials in the upper crushing bin 1, the vibrating screen 3 is used for receiving the materials and sieving the materials under the vibration condition, fine materials meeting the conditions are sieved in advance to obtain sieved materials, in the using process, waste asphalt mixture enters a coarse crushing assembly through the upper feeding port 10, is guided to the vibrating screen 3 through the upper discharging port 11 after coarse crushing, the vibrating screen 3 vibrates to sieve the materials, fine materials meeting the conditions are sieved in advance to obtain sieved materials, residual materials are guided to a re-crushing assembly through the inclined vibrating screen 3, and are re-crushed through the re-crushing assembly and then are discharged together with the sieved materials as qualified materials; by adopting the technical scheme, the coarse crushing component and the re-crushing component are integrated, the waste asphalt mixture is crushed by two stages, the crushing effect is improved, the damage to an instrument is reduced, further, the coarse crushing component is screened by the vibrating screen 3, the re-crushing workload is reduced, and the service life of the easily damaged part in the crushing component is prolonged.
In another technical scheme, go up crushing storehouse 1 and be the cuboid shape of top, bottom open-ended, go up the crushing roller and include a pair of first crushing roller 12 that the interval set up, be used for driving crushing roller pivoted first drive arrangement on, wherein, first crushing roller 12 is along go up 1 length direction in crushing storehouse sets up, the transmission is connected between two first crushing rollers 12, wherein the both ends of a first crushing roller 12 and the corresponding both ends rotatable coupling in last crushing storehouse 1, wherein one end and the one end rotatable coupling in last crushing storehouse 1 of another first crushing roller 12, the other end is rotatable wears out to the corresponding other end in last crushing storehouse 1 to through the drive work of first drive arrangement, specific first drive arrangement includes: a speed reducer with an output shaft connected with the penetrating end of the first crushing roller 12, and a motor with an output shaft connected with an input shaft of the speed reducer;
go up first wear-resisting welt 4 of equal detachable installation on the both sides that crushing storehouse 1 and last crushing roller are relative, the distance (the shortest distance between the periphery) between two first crushing rollers 12 equals first crushing roller 12 apart from the distance between the first wear-resisting board of its side that corresponds (the distance between first crushing roller 12 periphery distance corresponds first wear-resisting board), wherein, every first crushing roller 12 circumference all evenly set up a plurality of first broken tool bits 40 on the first wear-resisting welt 4. Namely, the two first wear-resisting plates are detachably arranged on two sides of the upper crushing bin 1 along the width direction, the detachable connection mode can be specifically a screw connection mode, and the first crushing cutter head 40 and the corresponding mounting surface are preferably detachably and fixedly connected, so that the disassembly and the replacement are convenient; adopt this kind of scheme, realize the quick breakage placed in the middle of to the material through a pair of first crushing roller 12 of moving in opposite directions, simultaneously, avoid the material to run the material through limit portion through the setting of first wear-resisting welt 4, improve crushing effect.
In another technical scheme, the mixture crusher for asphalt recycling further comprises: aggregate bin 5, it is located go up broken feed bin top and with go up 1 rigid coupling intercommunication in broken storehouse, aggregate bin 5 includes top open-ended cuboid form feeding portion 50, with the inversion four prismatic table form guide portion 51 of feeding portion 50 bottom intercommunication, wherein, the horizontal projection of going up broken feed bin falls into in the horizontal projection of guide portion 51, the horizontal projection of wherein twice of guide portion 51 bottom with the horizontal projection of the center pin of going up the crushing roller overlaps. The aggregate bin 5 and the upper crushing bin 1 are coaxially arranged, and by adopting the scheme, better feeding is realized through the aggregate bin 5.
In another technical scheme, lower crushing storehouse 2 is the cuboid form, lower crushing roller includes the second crushing roller 22 that a pair of interval set up, is used for driving lower crushing roller pivoted second drive arrangement, wherein, second crushing roller 22 sets up along 2 length direction in lower crushing storehouse, and the transmission is connected between two second crushing rollers 22, and wherein the both ends of a second crushing roller 22 and the corresponding both ends rotatable coupling in lower crushing storehouse 2, wherein one end of another second crushing roller 22 and the one end rotatable coupling in lower crushing storehouse 2, the other end is rotatable wears out to the corresponding other end in lower crushing storehouse 2 to through the drive work of second drive arrangement, specific second drive arrangement includes: a speed reducer with an output shaft connected with the penetrating end of the second crushing roller 22, and a motor with an output shaft connected with an input shaft of the speed reducer;
the equal detachable installation second wear liner 6 on the both sides that lower crushing storehouse 2 and lower crushing roller are relative, and the distance (the shortest distance between the periphery) between two second crushing rollers 22 equals the second crushing roller 22 apart from its second wear-resisting inter-plate distance (the distance between second crushing roller 22 periphery distance correspondence second wear-resisting inter-plate) that corresponds the side, wherein, every second crushing roller 22 circumference all evenly set up a plurality of second crushing tool bits 60 on the wear liner 6 of second. Namely, the two second wear-resisting plates are detachably arranged on two sides of the lower crushing bin 2 along the width direction, the detachable connection mode can be specifically a screw connection mode, and the second crushing cutter head 60 and the corresponding mounting surface are preferably detachably and fixedly connected, so that the disassembly and the replacement are convenient; go up the crushing roller and can realize through the density of its upper cutter head of accent with lower crushing roller to the control of particle diameter and the interval between the crushing roller, adopt this kind of scheme, realize the quick breakage placed in the middle of to the material through the second crushing roller 22 of a pair of opposite movement, simultaneously, avoid the material to run the material through limit portion through the setting of the wear-resisting welt 6 of second, improve crushing effect.
In another solution, said vibrating screen 3 subassembly further comprises:
a housing 70 having a rectangular shape matching the upper discharge bin, the top end of the housing 70 being communicated with the discharge port of the upper crushing bin 1, the lower crushing bin 2 being disposed on one side of the housing 70 along the width direction, and the lower crushing bin 2 being disposed on the same side wall as the opposite side (overlapping portion) of the housing 70, a material guide window 71 being disposed through the upper portion of the same side wall of the lower crushing bin 2 and communicated with the housing 70, the lower crushing bin 2 being communicated with the housing 70 through the material guide window 71, wherein the vibrating screen 3 includes a rectangular screen body 30, support plates 31 extending on both sides of the screen body along the width direction, both ends of the rectangular screen body 30 in the extension direction being in sealed sliding contact with both ends of the corresponding housing 70 along the length direction, the bottom surface of the support plate 31 located below being hinged to the bottom end of the material guide window 71, and the lowest end of the support plate 31 located below extending into the lower crushing bin 2, and the depth of the free end is set to facilitate the introduction of the material between the two second crushing rollers 22;
the support table 72 is arranged on one side of the housing 70 opposite to the material guide window 71, and comprises a bottom support portion 720, an arc-shaped guide portion 721 and a connecting portion for realizing butt sealing with the housing 70, the connecting portion is arranged at two ends of the bottom support portion 720 along the length direction, and the top end (the end opposite to the arc-shaped guide portion 721) of the upper support plate 31 is provided with bristles 32;
at least one telescopic motor 73 which is fixedly arranged on the side wall of the housing 70 and is positioned below the supporting plate 31 above, the telescopic motor 73 is used for driving the vibrating screen 3 to vibrate in a reciprocating telescopic mode, when the telescopic motor 73 is contracted to the shortest extent, the supporting plate 31 above is supported on the supporting portion, and the vibration included angle range between the supporting plate 31 and the horizontal plane is 2-15 degrees, preferably 2-10 degrees. By adopting the scheme, the telescopic motor 73, the support table 72 and the vibrating screen 3 are arranged in a matching way.
In another technical scheme, the projection of the upper discharge hole 11 of the upper crushing bin 1 in the horizontal plane falls into the projection of the rectangular screen body 30 in the horizontal plane. By adopting the scheme, the upper discharge hole 11 is formed at the bottom end of the crushing bin in a condensation mode, so that materials can be conveniently and accurately guided into the rectangular screen body 30 in the vertical direction.
In another technical scheme, the bottom end of the rectangular screen body 30 is circumferentially covered with a first material guiding bag 80, the lower discharge port 21 of the lower crushing bin 2 is circumferentially covered with a second material guiding bag 81, and the calibers of the first material guiding bag 80 and the second material guiding bag 81 are reduced from top to bottom. By adopting the scheme, the materials can be conveniently and accurately led out, and the dust diffusion is reduced.
In another technical scheme, the mixture crusher for asphalt recycling further comprises: and the belt conveying mechanism 9 extends along the width direction of the upper crushing bin 1 and partially passes below the first material guide bag 80 and the second material guide bag 81. By adopting the scheme, the first guide bag 80 and the second guide bag 81 are synchronously led out by the belt conveyor.
In another technical scheme, the top end of the lower crushing bin 2 is arranged in an open mode. By adopting the scheme, the lower crushing bin 2 is convenient to overhaul.
In another technical scheme, the top end of the lower crushing bin 2 is provided with a cover body 23 which can be opened/closed. Adopt this kind of scheme, when realizing the top protection to lower broken storehouse 2, be convenient for to the maintenance processing of lower broken storehouse 2.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. The application, modification and variation of the mix crusher for asphalt recycling of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (10)
1. Mixture breaker is used in pitch recovery, its characterized in that includes:
the rough crushing assembly comprises an upper crushing bin and an upper crushing roller, wherein the upper crushing bin is provided with an upper feeding hole and an upper discharging hole;
the re-crushing assembly comprises a lower crushing bin with a lower feeding hole and a lower discharging hole, and a lower crushing roller arranged in the lower crushing bin;
the vibrating screen assembly comprises a vibrating screen arranged at the lower end of the upper discharge port and used for receiving materials, the vibrating screen is arranged in an inclined mode, the lower end of the vibrating screen is communicated with the lower feed port, and the aperture of a sieve pore of the vibrating screen is equal to the crushing particle size of the lower crushing roller.
2. The asphalt recycling mix crusher according to claim 1, wherein said upper crushing bin has a rectangular parallelepiped shape, and said upper crushing roller includes a pair of first crushing rollers disposed at intervals, and a first driving device for driving the upper crushing roller to rotate, wherein the first crushing rollers are disposed along a longitudinal direction of said upper crushing bin;
go up the first wear-resisting welt of equal detachable installation on the both sides that crushing storehouse and last crushing roller are relative, the distance between two first crushing rollers equals the first crushing roller apart from the distance between its first wear-resisting board that corresponds the side, wherein, every first crushing roller circumference evenly set up a plurality of first broken tool bits on the first wear-resisting welt.
3. The asphalt recycling mix crusher according to claim 2, further comprising: the aggregate bin is arranged along the circumferential direction at the top end of the upper breaking bin, and comprises a cuboid feeding portion with an open top end and an inverted quadrangular frustum pyramid-shaped material guiding portion communicated with the bottom end of the feeding portion, wherein the horizontal projection of the upper breaking bin falls into the horizontal projection of the material guiding portion, and the horizontal projection of the bottom end of the material guiding portion twice overlaps with the horizontal projection of the central shaft of the upper breaking roller.
4. The asphalt recycling mix crusher according to claim 2, wherein said lower crushing bin has a rectangular parallelepiped shape, and said lower crushing roller comprises a pair of second crushing rollers disposed at intervals, and second driving means for driving the lower crushing rollers to rotate, wherein the second crushing rollers are disposed along a length direction of said lower crushing bin;
the lower crushing bin and the two opposite sides of the lower crushing roller are detachably provided with second wear-resistant lining plates, the distance between the two second crushing rollers is equal to the distance between the second crushing roller and the second wear-resistant lining plate on the corresponding side of the second crushing roller, and a plurality of second crushing cutter heads are uniformly arranged on the second wear-resistant lining plates in the circumferential direction of each second crushing roller.
5. The asphalt recycling mix crusher of claim 4, wherein said vibratory screen assembly further comprises:
the top end of the housing is communicated with the discharge hole of the upper crushing bin, the lower crushing bin is arranged on one side of the housing along the width direction, the side wall of the lower crushing bin is shared with the side wall of the housing, the upper part of the shared side wall penetrating through the lower crushing bin is communicated with the housing and is provided with a material guide window, the vibrating screen comprises a rectangular screen body and support plates extending to be arranged on two sides of the screen body along the width direction, and the support plates positioned below are hinged with the bottom end of the material guide window;
the supporting table is arranged on one side of the housing opposite to the material guide window and comprises a bottom supporting part and an arc-shaped guide part, and bristles are arranged at the top end of the supporting plate above the supporting table;
at least one flexible motor, it sets firmly in the housing lateral wall just is located the backup pad below of top, and flexible motor is reciprocal flexible drives the shale shaker vibration, wherein, when flexible motor contracts to the shortest, the backup pad of top supports in the supporting part.
6. The asphalt recycling mix crusher according to claim 5, wherein the projection of the upper discharge port of the upper crushing bin on the horizontal plane falls within the projection of the rectangular screen body on the horizontal plane.
7. The asphalt recycling mix crusher according to claim 5, wherein a first guide bag is circumferentially arranged at the bottom end of the rectangular screen body, a second guide bag is circumferentially arranged at the lower discharge port of the lower crushing bin, and the diameters of the first guide bag and the second guide bag are reduced from top to bottom.
8. The mix crusher for asphalt recycling according to claim 7, further comprising: and the belt conveying mechanism extends along the width direction of the upper crushing bin, and part of the belt conveying mechanism passes through the lower parts of the first material guide bag and the second material guide bag.
9. The asphalt recycling mix crusher according to claim 4, wherein the lower crushing bin is provided with an open top.
10. The asphalt recycling mix crusher according to claim 4, wherein an openable/closable lid is provided at a top end of said lower crushing bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120641345.0U CN213727028U (en) | 2021-03-30 | 2021-03-30 | Mixture crusher for asphalt recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120641345.0U CN213727028U (en) | 2021-03-30 | 2021-03-30 | Mixture crusher for asphalt recovery |
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| CN213727028U true CN213727028U (en) | 2021-07-20 |
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| CN202120641345.0U Active CN213727028U (en) | 2021-03-30 | 2021-03-30 | Mixture crusher for asphalt recovery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453062A (en) * | 2022-02-13 | 2022-05-10 | 新沂市恒盛石英制品厂 | Quartz sand serialization hierarchical crushing apparatus |
| CN115739283A (en) * | 2022-10-25 | 2023-03-07 | 北京中投润天环保科技有限公司 | Multistage broken system of waste material |
-
2021
- 2021-03-30 CN CN202120641345.0U patent/CN213727028U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453062A (en) * | 2022-02-13 | 2022-05-10 | 新沂市恒盛石英制品厂 | Quartz sand serialization hierarchical crushing apparatus |
| CN115739283A (en) * | 2022-10-25 | 2023-03-07 | 北京中投润天环保科技有限公司 | Multistage broken system of waste material |
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