CN218981721U - Rolling and crushing device - Google Patents
Rolling and crushing device Download PDFInfo
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- CN218981721U CN218981721U CN202223014341.3U CN202223014341U CN218981721U CN 218981721 U CN218981721 U CN 218981721U CN 202223014341 U CN202223014341 U CN 202223014341U CN 218981721 U CN218981721 U CN 218981721U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a rolling and crushing device; belonging to the technical field of garbage sorting treatment; the technical key points include: this roll breaker includes: a mounting mechanism, comprising: two mounting side plates oppositely arranged in a first direction; a two-roll mechanism, comprising: the first crushing roller and the second crushing roller are arranged in parallel in the horizontal direction, extend along the first direction and are rotationally connected between the two mounting side plates, the first crushing roller can reciprocate along the second direction relative to the mounting side plates, a plurality of strip-shaped teeth are uniformly distributed on the outer peripheral surfaces of the first crushing roller and the second crushing roller respectively, and the strip-shaped teeth extend along the axial direction and form a preset inclination angle with the axial direction of the corresponding first crushing roller or the corresponding second crushing roller so as to apply rolling force and extrusion force to an object to be rolled, wherein the object to be rolled at least comprises non-incineratable inorganic matters and incineratable organic matters.
Description
Technical Field
The utility model relates to a garbage sorting and processing device, in particular to a rolling and crushing device.
Background
In the process of carrying out wind power sorting and impurity removal on decoration garbage, wind power can blow out incineratable organic matters such as woven bags, broken cloth, waste plastics, wood dust and heat insulation materials, and part of non-incineratable inorganic matters are inevitably blown out together for incineration treatment, so that the recovery treatment of part of non-incineratable inorganic matters is affected, and the utilization rate of recoverable resources is reduced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a rolling and crushing device capable of improving separation effects of non-incineratable inorganic matters and incineratable organic matters in garbage.
The technical scheme of the utility model is realized as follows: a crush crushing device, the crush crushing device comprising: a mounting mechanism, comprising: two mounting side plates oppositely arranged in a first direction; a two-roll mechanism, comprising: the first crushing roller and the second crushing roller are arranged in parallel in the horizontal direction, extend along the first direction and are rotationally connected between the two mounting side plates, the first crushing roller can reciprocate along the second direction relative to the mounting side plates, a plurality of strip-shaped teeth are uniformly distributed on the outer peripheral surfaces of the first crushing roller and the second crushing roller respectively, and the strip-shaped teeth extend along the axial direction and form a preset inclination angle with the axial direction of the corresponding first crushing roller or second crushing roller, so as to apply rolling force and extrusion force to an object to be rolled, wherein the object to be rolled at least comprises non-incineratable inorganic matters and incineratable organic matters; the first driving mechanism is arranged on one side of one mounting side plate, which is away from the double-roller mechanism, and the driving end of the first driving mechanism is connected with the first crushing roller and the second crushing roller and is used for driving the first crushing roller and the second crushing roller to rotate in opposite directions; when the first crushing roller and the second crushing roller rotate in opposite directions, the strip-shaped teeth of the first crushing roller and the second crushing roller are meshed with each other so as to crush non-incineratable inorganic matters and keep or flatten the incineratable organic matters; the two second driving mechanisms are respectively arranged on one sides of the two mounting side plates, which are away from the double-roller mechanism, and the driving ends of the two second driving mechanisms are connected with the first crushing roller and are used for driving the first crushing roller to approach or depart from the second crushing roller along the second direction so as to adjust the distance between the first crushing roller and the second crushing roller; the second direction and the first direction are perpendicular to each other and are perpendicular to the longitudinal direction.
In the rolling and crushing device described above, the rolling and crushing device provided in this embodiment further includes: the gear transmission structure comprises: including two first gears and a second gear, two first gears set up respectively in first crushing roller with the tip of second crushing roller, and with first crushing roller with the coaxial setting of second crushing roller, the second gear with two first gears mesh respectively, first actuating mechanism's drive end connect in the second gear, in order to connect through second gear and first gear first crushing roller with second crushing roller, and drive first crushing roller with the second crushing roller rotates in opposite directions.
In the rolling and crushing device, the section shape of the strip-shaped teeth is trapezoid.
In the rolling and crushing device, the section of the strip-shaped teeth is arc-shaped.
In the rolling and crushing device, the second driving mechanism is a hydraulic driving mechanism.
In the rolling and crushing device, the middle parts of the first crushing roller and the second crushing roller are respectively fixedly provided with a rotating shaft in a penetrating way;
the rotating shafts of the second crushing rollers are respectively and rotatably connected with the two mounting side plates; the two installation side plates are respectively corresponding to the rotating shafts of the first crushing rollers and are provided with adjusting grooves extending along the second direction, two ends of each rotating shaft are respectively arranged in the corresponding adjusting grooves in a penetrating mode, the driving ends of the two second driving mechanisms are connected with two ends of each rotating shaft so as to drive the rotating shafts to reciprocate in the adjusting grooves, and the rotating shafts can rotate relative to the driving ends of the second driving mechanisms.
In one rolling and crushing device, the adjusting groove comprises a first end and a second end which are opposite in the second direction, and the first end is close to the second crushing roller; when the first crushing roller is positioned at the first end, the strip teeth of the first crushing roller and the second crushing roller are meshed with each other.
In the rolling and crushing device, the first crushing roller, the second crushing roller and the strip teeth on the outer peripheral surfaces of the first crushing roller and the second crushing roller are integrally cast from wear-resistant materials.
After the structure is adopted, the selected mixed to-be-rolled matters can be rolled, the non-incineratable inorganic matters in the to-be-rolled matters are crushed into smaller particle sizes, the incineratable organic matters in the to-be-rolled matters are kept in the original state or flattened, the inorganic matters with small particle sizes in the to-be-rolled matters can be taken out in a screening mode, the incineratable organic matters after purification and reduction can be subjected to incineration treatment, the non-incineratable inorganic matters can be recycled as building material raw materials or other recyclable matters, and the utilization rate of recycling resources is improved.
Drawings
The utility model is described in further detail below in connection with the embodiments in the drawings, but is not to be construed as limiting the utility model in any way.
FIG. 1 is a schematic main structure of a crushing and rolling device according to the present utility model;
fig. 2 is a schematic top view of a crushing and rolling device according to the present utility model.
In the figure: the device comprises a mounting side plate 1, an adjusting groove 101, a first crushing roller 2, a second crushing roller 3, strip teeth 4, a rotating shaft 5, a second driving mechanism 6, non-incineratable inorganic matters 7, incineratable organic matters 8, a first direction X and a second direction Y.
Detailed Description
Referring to fig. 1 to 2, a crushing and crushing apparatus of the present utility model includes: a mounting mechanism, comprising: two mounting side plates 1 disposed opposite to each other in the first direction X; a two-roll mechanism, comprising: the first crushing roller 2 and the second crushing roller 3 are arranged in parallel in the horizontal direction, extend along the first direction X, and are rotationally connected between the two mounting side plates 1, the first crushing roller 2 can reciprocate along the second direction Y relative to the mounting side plates 1, a plurality of strip-shaped teeth 4 are uniformly distributed on the outer peripheral surfaces of the first crushing roller 2 and the second crushing roller 3 respectively, the strip-shaped teeth 4 extend along the axial direction and form a preset inclination angle with the axial direction of the corresponding first crushing roller 2 or second crushing roller 3, and are used for applying rolling force and extrusion force to an object to be rolled, wherein the object to be rolled at least comprises a non-incineratable inorganic substance 7 and an incineratable organic substance 8; the first driving mechanism is arranged on one side of one mounting side plate 1, which is away from the double-roller mechanism, and the driving end of the first driving mechanism is connected with the first crushing roller 2 and the second crushing roller 3 and is used for driving the first crushing roller 2 and the second crushing roller 3 to rotate in opposite directions; when the first crushing roller 2 and the second crushing roller 3 are rotated in opposite directions, the strip teeth 4 of the first crushing roller 2 and the second crushing roller 3 are engaged with each other to crush the non-incineratable inorganic substance 7 and hold or crush the incineratable organic substance 8; the two second driving mechanisms 6 are respectively arranged on one sides of the two mounting side plates 1, which are away from the double-roller mechanism, and the driving ends of the two second driving mechanisms are connected with the first crushing roller 2 and are used for driving the first crushing roller 2 to approach or depart from the second crushing roller 3 along the second direction Y so as to adjust the distance between the first crushing roller 2 and the second crushing roller 3; the second direction Y is perpendicular to the first direction X, and both directions are perpendicular to the longitudinal direction.
Further, the crushing and crushing device provided in this embodiment further includes: the gear transmission structure comprises: including two first gears and a second gear, two first gears set up respectively in first crushing roller 2 with the tip of second crushing roller 3, and with first crushing roller 2 with the coaxial setting of second crushing roller 3, the second gear with two first gears mesh respectively, first actuating mechanism's drive end connect in the second gear to connect through second gear and first gear first crushing roller 2 with second crushing roller 3, and the drive first crushing roller 2 with second crushing roller 3 rotates in opposite directions.
Further, the cross section of the strip-shaped tooth 4 is trapezoidal.
Further, the sectional shape of the strip-shaped tooth 4 is circular arc.
Further, the second driving mechanism 6 is a hydraulic driving mechanism.
Further, the middle parts of the first crushing roller 2 and the second crushing roller 3 are respectively fixedly provided with a rotating shaft 5 in a penetrating way;
the rotating shafts 5 of the second crushing rollers 3 are respectively and rotatably connected with the two mounting side plates 1; the two installation side plates 1 are respectively provided with adjusting grooves 101 extending along the second direction Y corresponding to the rotating shafts 5 of the first crushing roller 2, two ends of each rotating shaft 5 are respectively penetrated through the corresponding adjusting grooves 101, driving ends of the two second driving mechanisms 6 are connected with two ends of each rotating shaft 5 so as to drive the rotating shafts 5 to reciprocate in the adjusting grooves 101, and the rotating shafts 5 can rotate relative to the driving ends of the second driving mechanisms 6.
Further, the adjustment groove comprises opposite first and second ends in the second direction Y, the first end being close to the second crushing roller 3; when the first crushing roller 2 is located at the first end, the strip teeth 4 of the first crushing roller 2 and the second crushing roller 3 are engaged with each other.
Further, the first crushing roller 2, the second crushing roller 3 and the strip teeth 4 on the peripheral surfaces of the two are integrally cast from wear-resistant materials.
In order to prevent a part of non-incineratable inorganic matters 7 and incineratable organic matters 8 from being blown out together by wind force in the wind power sorting treatment process of decoration garbage, the technical scheme adopted by the utility model is that a double-roller mechanism is arranged through two mounting side plates 1 of a mounting mechanism, the double-roller mechanism comprises a first crushing roller 2 and a second crushing roller 3 which are identical in appearance, a plurality of strip-shaped teeth 4 which are arranged at intervals are uniformly distributed on the peripheral surfaces of the first crushing roller 2 and the second crushing roller 3, the strip-shaped teeth are axially extended and have preset inclined angles with the axes of the corresponding crushing rollers, the preset inclined angles are larger than the friction angles between the obstacle and the surfaces of the first crushing roller 2 and the second crushing roller 3, the obstacle is an object which is easy to clamp between the first crushing roller 2 and the second crushing roller 3, the inclined angles are arranged to avoid the phenomenon that the obstacle is clamped in the rotating process of the first crushing roller 2 and the second crushing roller 3, and the preset inclined angles are also beneficial to the rolling of the two sides; when the device is installed, the teeth of the strip teeth 4 of the first crushing roller 2 correspond to the roller surfaces between the adjacent strip teeth of the second crushing roller 3, so that the meshing relationship between the first crushing roller 2 and the second crushing roller 3 is ensured, and the situation that the strip teeth of the first crushing roller 2 and the strip teeth of the second crushing roller 3 are too close to each other to collide with each other, so that the crushing effect is poor and even equipment is damaged can be avoided; the first driving mechanism is used for driving the first crushing roller 2 and the second crushing roller 3 to synchronously rotate at the same speed and in opposite directions; in order to further avoid that the first crushing roller 2 and the second crushing roller 3 are blocked by obstacles in the rotation process or when an uncrushable object to be crushed exists, the driving ends of the two second driving mechanisms 6 simultaneously drive the two ends of the rotating shaft 5 of the first crushing roller 2 to move along the second direction Y to the side far away from the second crushing roller 3, so that the gap between the two rollers is enlarged, blocked obstacles or materials pass through, the driving ends of the two second driving mechanisms 6 simultaneously drive the two ends of the rotating shaft 5 of the first crushing roller 2 to move to a homing position along the second direction Y to the side close to the second crushing roller 3, and crushing operation can be continued.
The crushing and crushing device provided in this embodiment is different from the crusher that crushes all organic matters and inorganic matters in the prior art, referring to fig. 1, as shown in the drawing, in the crushing and crushing process of the crushing and crushing device provided in this embodiment, the matters to be crushed drop to the roller surfaces of the first crushing roller 2 and the second crushing roller 3 to bite and squeeze between the two rollers, and the crushing force and the extrusion force are applied to the matters to be crushed by the extrusion and the rolling action of the strip teeth 4 and the roller surfaces through the meshing of the strip teeth 4, and no shearing force and no pulling force are generated, and the stressed characteristics can have different crushing effects on different materials, specifically: the non-incineratable inorganic matters 7 such as aggregate, concrete blocks, aerated concrete and the like can be crushed into smaller particle sizes and discharged along with the rotation of the two rollers, the incineratable organic matters 8 such as woven bags, crushed cloths, waste plastics, wood chips, heat-insulating materials and the like are kept as they are or only flattened and discharged along with the rotation of the two rollers, so that the incineratable inorganic matters can be separated through the particle sizes of the two materials, and the subsequent garbage sorting treatment is facilitated.
Specifically, the first driving mechanism may drive the first crushing roller 2 and the second crushing roller 3 to rotate through a gear transmission structure, specifically: the first gears are arranged on the same side of the rotating shafts of the two rollers, the second gears meshed with the two first gears are arranged on the same side of the rotating shafts of the two rollers, and the driving end of the first driving mechanism drives the second gears to rotate, so that the two first gears are driven in opposite directions, and then the two rollers are driven to rotate in opposite directions; the second driving mechanism 6 may be a hydraulic driving mechanism, and the driving end of the second driving mechanism 6 may be connected with the rotating shaft 5 of the first crushing roller 2 through a bearing, so that the second driving mechanism 6 can drive the first crushing roller 2 to move and avoid the second driving mechanism 6 from affecting the rotation of the rotating shaft 5.
It should be noted that, in the description of the present specification, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above examples are provided for convenience of description of the present utility model and are not to be construed as limiting the utility model in any way, and any person skilled in the art will make partial changes or modifications to the utility model by using the disclosed technical content without departing from the technical features of the utility model.
Claims (6)
1. A crushing and rolling device, comprising:
a mounting mechanism, comprising: two mounting side plates (1) arranged opposite to each other in a first direction (X);
a two-roll mechanism, comprising: the device comprises a first crushing roller (2) and a second crushing roller (3), wherein the first crushing roller (2) and the second crushing roller (3) are arranged in parallel in the horizontal direction, extend along the first direction (X), are rotationally connected between two mounting side plates (1), the first crushing roller (2) can reciprocate along the second direction (Y) relative to the mounting side plates (1), a plurality of strip-shaped teeth (4) are uniformly distributed on the outer peripheral surfaces of the first crushing roller (2) and the second crushing roller (3), the strip-shaped teeth (4) extend along the axial direction and form a preset inclination angle with the axial direction of the corresponding first crushing roller (2) or second crushing roller (3) so as to apply rolling force and extrusion force to a to-be-rolled object, and the to-be-rolled object at least comprises non-incineratable inorganic matters (7) and incineratable organic matters (8);
the first driving mechanism is arranged on one side of the mounting side plate (1) which is away from the double-roller mechanism, and the driving end of the first driving mechanism is connected with the first crushing roller (2) and the second crushing roller (3) and is used for driving the first crushing roller (2) and the second crushing roller (3) to rotate in opposite directions;
the section of the strip-shaped teeth (4) is trapezoid or circular arc, when the first crushing roller (2) and the second crushing roller (3) rotate in opposite directions, the strip-shaped teeth (4) of the first crushing roller (2) and the second crushing roller (3) are meshed with each other so as to crush non-incineratable inorganic matters (7) and keep or flatten incineratable organic matters (8);
the two second driving mechanisms (6) are respectively arranged on one sides of the two mounting side plates (1) which deviate from the double-roller mechanism, and the driving ends of the two second driving mechanisms are connected with the first crushing roller (2) and are used for driving the first crushing roller (2) to be close to or far away from the second crushing roller (3) along a second direction (Y) so as to adjust the distance between the first crushing roller (2) and the second crushing roller (3);
wherein the second direction (Y) is perpendicular to the first direction (X) and both are perpendicular to the longitudinal direction.
2. The crushing and crushing device of claim 1, further comprising: the gear transmission structure comprises: including two first gears and a second gear, two first gears set up respectively in first broken roller (2) with the tip of second broken roller (3), and with first broken roller (2) with the coaxial setting of second broken roller (3), the second gear with two first gears mesh respectively, first actuating mechanism's drive end connect in the second gear to connect through second gear and first gear first broken roller (2) with second broken roller (3), and drive first broken roller (2) with second broken roller (3) are rotation in opposite directions.
3. A crushing plant according to claim 1, characterized in that the second drive mechanism (6) is a hydraulic drive mechanism.
4. A crushing and crushing device according to claim 1 or 3, characterized in that the middle parts of the first crushing roller (2) and the second crushing roller (3) are respectively fixedly provided with a rotating shaft (5) in a penetrating way;
the rotating shafts (5) of the second crushing rollers (3) are respectively and rotatably connected with the two mounting side plates (1);
two installation curb plates (1) respectively correspond pivot (5) of first crushing roller (2) are provided with along adjustment tank (101) that second direction (Y) extends, the both ends of pivot (5) are worn to locate respectively and are corresponding adjustment tank (101), two drive end connection of second actuating mechanism (6) pivot (5) both ends, in order to drive pivot (5) are in reciprocal activity in adjustment tank (101), just pivot (5) can be relative the drive end rotation of second actuating mechanism (6).
5. A crushing plant according to claim 4, characterized in that the adjustment slot comprises, in the second direction (Y), a first and a second opposite end, the first end being close to the second crushing roller (3);
when the first crushing roller (2) is positioned at the first end, the strip teeth (4) of the first crushing roller (2) and the second crushing roller (3) are meshed with each other.
6. A crushing and rolling device according to claim 1, characterized in that the first crushing roller (2), the second crushing roller (3) and the strip-shaped teeth (4) of the outer circumferential surfaces of the two are integrally cast from wear-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014341.3U CN218981721U (en) | 2022-11-11 | 2022-11-11 | Rolling and crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014341.3U CN218981721U (en) | 2022-11-11 | 2022-11-11 | Rolling and crushing device |
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| Publication Number | Publication Date |
|---|---|
| CN218981721U true CN218981721U (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223014341.3U Active CN218981721U (en) | 2022-11-11 | 2022-11-11 | Rolling and crushing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN218981721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117181776A (en) * | 2023-09-08 | 2023-12-08 | 山东悦宝生物科技有限公司 | Microbial household garbage treatment system and treatment method thereof |
-
2022
- 2022-11-11 CN CN202223014341.3U patent/CN218981721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117181776A (en) * | 2023-09-08 | 2023-12-08 | 山东悦宝生物科技有限公司 | Microbial household garbage treatment system and treatment method thereof |
| CN117181776B (en) * | 2023-09-08 | 2024-02-23 | 山东悦宝生物科技有限公司 | Microbial household garbage treatment system and treatment method thereof |
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Address after: 1701-1728, 17th floor, block a, building 1, courtyard 10, Xueqing Road, Haidian District, Beijing 100085 (Dongsheng area) Patentee after: Beijing Construction Engineering Resource Recycling Co.,Ltd. Country or region after: China Address before: 1701-1728, 17th floor, block a, building 1, courtyard 10, Xueqing Road, Haidian District, Beijing 100085 (Dongsheng area) Patentee before: Beijing Construction Engineering Resources Recycling Co.,Ltd. Country or region before: China |