CN115739914B - Equipment for processing road materials by industrial wastes - Google Patents
Equipment for processing road materials by industrial wastes Download PDFInfo
- Publication number
- CN115739914B CN115739914B CN202211157190.9A CN202211157190A CN115739914B CN 115739914 B CN115739914 B CN 115739914B CN 202211157190 A CN202211157190 A CN 202211157190A CN 115739914 B CN115739914 B CN 115739914B
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- Prior art keywords
- industrial waste
- pipe
- mixing
- communicated
- asphalt slurry
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002440 industrial waste Substances 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 title claims abstract description 14
- 239000010426 asphalt Substances 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims abstract description 29
- 238000012216 screening Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000003892 spreading Methods 0.000 claims abstract description 5
- 230000007480 spreading Effects 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 239000002910 solid waste Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Road Paving Machines (AREA)
Abstract
The invention discloses an industrial waste processing road material device, which comprises: a front-end pulverizer; the feeding hopper is arranged at the feeding end of the front-end pulverizer; the discharging fan blade is connected with the discharging end of the front-end crusher and is used for rapidly discharging crushed industrial waste; the screening device is transversely connected to the other end of the discharging fan blade and performs multistage screening according to the particle size of the crushed industrial waste; the sealed batching cylinder is vertically arranged on one side of the screening device and is communicated with the screening device, and asphalt slurry is quantitatively stored in the sealed batching cylinder; the mixing and proportioning assembly is arranged in the sealing proportioning barrel and can uniformly mix industrial waste into asphalt slurry; and the lower spreading component is vertically communicated below the sealed batching cylinder.
Description
Technical Field
The invention belongs to the technical field of road material processing equipment, and particularly relates to equipment for processing road materials from industrial wastes.
Background
Industrial solid waste is mainly produced by industrial production activities, along with continuous investment and development of modern industrial technology, the treatment of the industrial solid waste is gradually enhanced, and the industrial solid waste is currently used for highway construction, so that the problem of piling up the industrial solid waste can be solved, the occupied space is saved, the energy is saved, the environment is purified, the method has important significance for enterprise development, social development, engineering cost reduction and ecological environment protection, road construction material requirements in highway construction can be solved, waste is changed into valuables, and sustainable development strategies are met. In the prior art, although industrial solid waste can be doped into the asphalt liquid, the industrial solid waste particles cannot be fully dispersed in the asphalt liquid when stirring and flowing due to the large concentration of the asphalt liquid, so that the usability of the road asphalt is difficult to improve;
accordingly, a person skilled in the art provides an apparatus for processing road material from industrial waste to solve the above-mentioned problems set forth in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: an industrial waste processing roadway material apparatus, comprising:
a front-end pulverizer;
the feeding hopper is arranged at the feeding end of the front-end pulverizer;
the discharging fan blade is connected with the discharging end of the front-end crusher and is used for rapidly discharging crushed industrial waste;
the screening device is transversely connected to the other end of the discharging fan blade and performs multistage screening according to the particle size of the crushed industrial waste;
the sealed batching cylinder is vertically arranged on one side of the screening device and is communicated with the screening device, and asphalt slurry is quantitatively stored in the sealed batching cylinder;
the mixing and proportioning assembly is arranged in the sealing proportioning barrel and can uniformly mix industrial waste into asphalt slurry; and
the lower spreading component is vertically communicated below the sealed batching cylinder.
Further, preferably, the mixing and dosing assembly comprises:
the upper frame plate is horizontally arranged in the sealed batching cylinder;
the hydraulic telescopic cylinder is vertically and symmetrically fixed on the sealed batching cylinder, and the output end of the hydraulic telescopic cylinder is connected with the upper frame plate;
the split tube seat is vertically connected to the sealed batching tube, and one end of the split tube seat is communicated with the screening device; and
the regional mixing device is vertically arranged on the upper frame plate.
Further, preferably, the area mixing device includes:
the middle part of the outer body is rotatably provided with main driving teeth;
the side sub-discs are symmetrically and rotatably arranged at four corners of the outer body part, and each side sub-disc is meshed with the main driving teeth through gear meshing action for transmission;
the central shaft tube vertically penetrates through the outer body, one end of the central shaft tube is communicated with the shunt tube seat, and a discharging page is rotatably arranged in the central shaft tube;
the side pressurizing pipe is vertically connected with one side of the central shaft pipe;
the connecting hole is circumferentially formed on the central shaft tube; and
and the stirring shafts are vertically fixed below each side separation disc.
Further, preferably, the center shaft tube is capable of pre-mixing 60% of the total industrial waste mixture into the asphalt slurry.
Further, preferably, the method further comprises:
the guide rail frames are fixed on the upper frame plate, and the outer body pieces are arranged on the guide rail frames in a sliding manner;
the inner gear rack is coaxially arranged with the guide rail rack, the middle part of the outer body piece is also rotatably provided with connecting teeth, and the connecting teeth are connected with the inner gear rack for transmission.
Further, preferably, the lower decking assembly includes:
a guide pipe;
the inner tube is concentrically arranged in the guide pipe, and an annular row cavity is formed between the inner tube and the guide pipe;
the unidirectional annular row piece is fixed in the annular row cavity;
the transfer tube is connected to one side of the guide tube and communicated with the annular row cavity, and the other end of the transfer tube is communicated with the screening device.
Further preferably, the annular cavity array is capable of mixing 30% of the total amount of industrial waste proportions into the asphalt slurry.
Further, as the preference, still be provided with the interior connecting tube of switching, the one end of interior connecting tube is fixed with the jet flow seat, still rotate in the interior tube and be provided with the scattered flow flabellum, interior connecting tube can mix 10% of industrial waste ratio total amount to pitch slurry at last.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a plurality of area mixing devices are distributed in the sealed batching barrel, the area mixing devices can be used for fully mixing 60% of mixed industrial waste into asphalt slurry preferentially, then 30% of industrial waste is mixed into the asphalt slurry again through the transfer pipe by the lower spreading component, and the rest 10% of industrial waste can be finally mixed into the asphalt slurry through the jet flow seat, so that the particle distribution effect is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a mixing and dosing assembly according to the present invention;
FIG. 3 is a schematic view of a track frame according to the present invention;
FIG. 4 is a schematic view of a central shaft tube according to the present invention;
FIG. 5 is a schematic view of the structure of the lower decking assembly of the present invention;
in the figure: 1 front-mounted pulverizer, 11 feed hoppers, 2 screening devices, 21 discharge fan blades, 3 sealed proportioning cylinders, 4 mixed proportioning components, 41 upper frame plates, 42 hydraulic telescopic cylinders, 43 split tube seats, 5 lower material spreading components, 51 guide tubes, 52 inner bobbins, 53 transfer tubes, 54 unidirectional annular row pieces, 55 inner connecting tubes, 56 dispersing fan blades, 6 area mixing devices, 61 outer body pieces, 62 side split plates, 63 guide rail frames, 64 connecting teeth, 65 inner tooth frames, 66 central shaft tubes, 67 side supercharging tubes, 68 discharge pages and 69 stirring shafts.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, an apparatus for processing road materials from industrial waste, includes:
a front-end pulverizer 1;
a feed hopper 11 which is arranged at the feed end of the front-end pulverizer 1;
a discharge fan blade 21 connected with the discharge end of the front crusher 1 and used for rapidly discharging crushed industrial waste;
the screening device 2 is transversely connected to the other end of the discharge fan blade 21 and performs multistage screening according to the particle size of the crushed industrial waste;
the sealing batching cylinder 3 is vertically arranged on one side of the screening device 2, the sealing batching cylinder 3 is communicated with the screening device 2, and asphalt slurry is quantitatively stored in the sealing batching cylinder 3;
a mixing and proportioning assembly 4 arranged in the sealing and proportioning barrel 3, wherein the mixing and proportioning assembly 4 can uniformly mix industrial waste into asphalt slurry; and
the lower pavement component 5 is vertically communicated below the sealing material proportioning cylinder 3, wherein the lower pavement component is mainly used for paving the mixed asphalt slurry on a road surface so as to realize pavement or repair.
In this embodiment, the mixing and proportioning assembly 4 comprises:
an upper frame plate 41 horizontally disposed in the sealed ingredient barrel 3;
the hydraulic telescopic cylinder 42 is vertically and symmetrically fixed on the sealed batching cylinder 3, and the output end of the hydraulic telescopic cylinder 42 is connected with the upper frame plate 41;
a split-flow tube seat 43 vertically connected to the seal proportioning barrel 3, wherein one end of the split-flow tube seat 43 is communicated with the screening device 2; and
the regional mixing devices 6 are vertically arranged on the upper frame plate 41, wherein the hydraulic telescopic cylinders can control the length of the regional mixing devices penetrating into asphalt slurry under vertical telescopic action, so that stirring effects of different thick layers are realized.
As a preferred embodiment, the zone mixing device 6 comprises:
an outer body 61, the middle of which is rotatably provided with main drive teeth;
the side sub-discs 62 are symmetrically and rotatably arranged at four corners of the outer body member 61, and each side sub-disc 62 is meshed with the main driving teeth through gear meshing action for transmission;
a central shaft tube 66 vertically penetrating the outer body 61, wherein one end of the central shaft tube 66 is communicated with the split tube seat 43, and a discharge page 68 is rotatably arranged on the central shaft tube 66;
a side pressurizing pipe 67 vertically connected to one side of the central shaft pipe 66;
a connecting hole circumferentially formed in the central shaft tube 66; and
and a stirring shaft 69 vertically fixed below each side separation plate 62, wherein the industrial waste is discharged into the asphalt slurry mainly through each connecting hole, and then the stirring shaft disperses and stirs the industrial waste, thereby improving the dispersing effect.
In this embodiment, the center shaft tube 66 is capable of pre-mixing 60% of the total industrial waste formulation into the asphalt slurry.
In this embodiment, the method further includes:
a rail frame 63 fixed to the upper frame plate 41, each of the outer body pieces 61 being slidably provided on the rail frame 63;
the internal tooth frame 65 is coaxially arranged with the guide rail frame 63, the middle part of the outer body member 61 is further rotatably provided with a connecting tooth 64, the connecting tooth 64 is connected with the internal tooth frame 65 for transmission, and especially, a plurality of area mixing devices can divide a plurality of mixing areas in the sealed mixing cylinder, after the mixing in the corresponding mixing shaft finishing area, each mixing shaft is driven by the connecting tooth to displace, so that the mixing effect of the whole asphalt slurry in the sealed mixing cylinder can be realized.
In this embodiment, the lower decking assembly 5 includes:
a guide pipe 51;
an inner tube 52 concentrically arranged in the guide tube 51, wherein an annular cavity is formed between the inner tube 52 and the guide tube 51;
a unidirectional annular row member 54 secured within the annular row cavity; and
the transfer pipe 53 is connected to one side of the guide pipe 51 and is communicated with the annular row cavity, and the other end of the transfer pipe 53 is communicated with the screening device.
As a preferred embodiment, the annular cavity can mix 30% of the total amount of the industrial waste mixture into the asphalt slurry, so that the industrial waste can be uniformly mixed again on the surface and inside the asphalt slurry.
In this embodiment, an inner connecting pipe 55 is further disposed in the adapting pipe 53, a jet flow seat is fixed at one end of the inner connecting pipe 55, a flow dispersing fan blade 56 is further rotatably disposed in the inner barrel pipe 52, and the inner connecting pipe 55 can mix 10% of the total industrial waste into the asphalt slurry, thereby mixing the residual industrial waste.
Specifically, industrial waste is fully crushed mainly through the front-end crusher, fine particle waste can be optimized by the screening device, then the fine particle waste is mixed with asphalt slurry in the sealed batching barrel by the mixing batching assembly, wherein 60% of industrial waste can be fully mixed by the mixing device in each area preferentially, 30% of industrial waste can be mixed with the asphalt slurry from the annular row cavity of the lower batching assembly after mixing, and the rest 10% of industrial waste is finally mixed into the asphalt slurry through the jet flow seat, so that the mixing effect is strong.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. An apparatus for processing road materials from industrial waste, characterized in that: it comprises the following steps:
a front-end pulverizer (1);
a feed hopper (11) arranged at the feed end of the front-end pulverizer (1);
the discharging fan blade (21) is connected with the discharging end of the front-mounted pulverizer (1) and is used for rapidly discharging the pulverized industrial waste;
the screening device (2) is transversely connected to the other end of the discharging fan blade (21) and performs multistage screening according to the particle size of the crushed industrial waste;
the sealing batching cylinder (3) is vertically arranged on one side of the screening device (2), the sealing batching cylinder (3) is communicated with the screening device (2), and asphalt slurry is quantitatively stored in the sealing batching cylinder (3);
a mixing and proportioning assembly (4) arranged in the sealing and proportioning barrel (3), wherein the mixing and proportioning assembly (4) can uniformly mix industrial waste into asphalt slurry; and
the lower spreading component (5) is vertically communicated below the sealed batching cylinder (3);
the mixing and dosing assembly (4) comprises:
an upper frame plate (41) horizontally arranged in the sealed batching cylinder (3);
the hydraulic telescopic cylinder (42) is vertically and symmetrically fixed on the sealing batching cylinder (3), and the output end of the hydraulic telescopic cylinder (42) is connected with the upper frame plate (41);
a shunt tube seat (43) vertically connected to the sealing proportioning barrel (3), wherein one end of the shunt tube seat (43) is communicated with the screening device (2); and
the regional mixing device (6) is vertically arranged on the upper frame plate (41);
the zone mixing device (6) comprises:
an outer body (61) with main drive teeth rotatably provided at the middle thereof;
the side sub-discs (62) are symmetrically and rotatably arranged at four corners of the outer body (61), and each side sub-disc (62) is meshed with the main driving teeth through gear meshing action for transmission;
a central shaft tube (66) vertically penetrating through the outer body (61), wherein one end of the central shaft tube (66) is communicated with the flow distribution tube seat (43), and a discharge page (68) is rotationally arranged on the central shaft tube (66);
a side pressurizing pipe (67) vertically connected to one side of the central shaft pipe (66);
the connecting hole is circumferentially formed in the central shaft tube (66); and
and stirring shafts (69) are vertically fixed below the side separation discs (62).
2. An industrial waste processing road material equipment according to claim 1, characterized in that: the center shaft tube (66) is capable of pre-mixing 60% of the total industrial waste formulation into the asphalt slurry.
3. An industrial waste processing road material equipment according to claim 1, characterized in that: further comprises:
a rail frame (63) fixed to the upper frame plate (41), each of the outer body members (61) being slidably provided on the rail frame (63);
the inner gear rack (65) is coaxially arranged with the guide rail rack (63), the middle part of the outer body member (61) is further rotatably provided with connecting teeth (64), and the connecting teeth (64) are connected with the inner gear rack (65) for transmission.
4. An industrial waste processing road material equipment according to claim 1, characterized in that: the lower decking assembly (5) comprises:
a guide pipe (51);
an inner bobbin (52) concentrically arranged in the guide pipe (51), wherein an annular cavity is formed between the inner bobbin (52) and the guide pipe (51);
a unidirectional annular row member (54) secured within the annular row cavity; and
the transfer pipe (53) is connected to one side of the guide pipe (51) and is communicated with the annular row cavity, and the other end of the transfer pipe (53) is communicated with the screening device.
5. An industrial waste processing road material equipment according to claim 4, wherein: the annular cavity can mix 30% of the total industrial waste mixture into the asphalt slurry.
6. An industrial waste processing road material equipment according to claim 5, characterized in that: the novel asphalt slurry mixing device is characterized in that an inner connecting pipe (55) is further arranged in the switching pipe (53), a jet flow seat is fixed at one end of the inner connecting pipe (55), a dispersing fan blade (56) is further rotatably arranged in the inner barrel pipe (52), and the inner connecting pipe (55) can mix 10% of the total industrial waste material ratio into the asphalt slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211157190.9A CN115739914B (en) | 2022-09-22 | 2022-09-22 | Equipment for processing road materials by industrial wastes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211157190.9A CN115739914B (en) | 2022-09-22 | 2022-09-22 | Equipment for processing road materials by industrial wastes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115739914A CN115739914A (en) | 2023-03-07 |
| CN115739914B true CN115739914B (en) | 2023-09-05 |
Family
ID=85351827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211157190.9A Active CN115739914B (en) | 2022-09-22 | 2022-09-22 | Equipment for processing road materials by industrial wastes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115739914B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005169379A (en) * | 2003-11-17 | 2005-06-30 | Shikoku Electric Power Co Inc | Pelletizer, producing method of ground material using the pelletizer, ground material obtained by the producing method and recycling method of the ground material |
| CN208712494U (en) * | 2018-06-14 | 2019-04-09 | 郭东良 | Building waste innocent treatment equipment |
| CN210876735U (en) * | 2019-11-08 | 2020-06-30 | 广东赛威赢环境技术工程有限公司 | Industrial solid waste environment-friendly treatment device |
| CN111468513A (en) * | 2020-04-22 | 2020-07-31 | 重庆交通大学 | Building is useless admittedly and is picked up case and recovery processing device thereof |
| CN211800511U (en) * | 2019-11-21 | 2020-10-30 | 广东诚泰投资集团有限公司 | New and old pitch mixing arrangement |
| CN112827418A (en) * | 2021-01-10 | 2021-05-25 | 河北中科同创科技发展有限公司 | Asphalt mixing device |
| CN113941585A (en) * | 2021-10-19 | 2022-01-18 | 中国水电基础局有限公司 | Impermeable material based on building residue soil and preparation method thereof |
| CN114453052A (en) * | 2022-02-22 | 2022-05-10 | 济南潇屹新型建材有限公司 | Concrete crushing and screening device |
| CN216728774U (en) * | 2022-01-27 | 2022-06-14 | 上饶广天建筑构件有限公司 | Concrete waste material environmental protection multi-stage screening recovery unit |
| CN114939368A (en) * | 2022-07-20 | 2022-08-26 | 杭州市综合交通运输研究中心 | Mixing equipment of pitch |
-
2022
- 2022-09-22 CN CN202211157190.9A patent/CN115739914B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005169379A (en) * | 2003-11-17 | 2005-06-30 | Shikoku Electric Power Co Inc | Pelletizer, producing method of ground material using the pelletizer, ground material obtained by the producing method and recycling method of the ground material |
| CN208712494U (en) * | 2018-06-14 | 2019-04-09 | 郭东良 | Building waste innocent treatment equipment |
| CN210876735U (en) * | 2019-11-08 | 2020-06-30 | 广东赛威赢环境技术工程有限公司 | Industrial solid waste environment-friendly treatment device |
| CN211800511U (en) * | 2019-11-21 | 2020-10-30 | 广东诚泰投资集团有限公司 | New and old pitch mixing arrangement |
| CN111468513A (en) * | 2020-04-22 | 2020-07-31 | 重庆交通大学 | Building is useless admittedly and is picked up case and recovery processing device thereof |
| CN112827418A (en) * | 2021-01-10 | 2021-05-25 | 河北中科同创科技发展有限公司 | Asphalt mixing device |
| CN113941585A (en) * | 2021-10-19 | 2022-01-18 | 中国水电基础局有限公司 | Impermeable material based on building residue soil and preparation method thereof |
| CN216728774U (en) * | 2022-01-27 | 2022-06-14 | 上饶广天建筑构件有限公司 | Concrete waste material environmental protection multi-stage screening recovery unit |
| CN114453052A (en) * | 2022-02-22 | 2022-05-10 | 济南潇屹新型建材有限公司 | Concrete crushing and screening device |
| CN114939368A (en) * | 2022-07-20 | 2022-08-26 | 杭州市综合交通运输研究中心 | Mixing equipment of pitch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115739914A (en) | 2023-03-07 |
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Effective date of registration: 20231205 Address after: 010051 north entrance of Zhelimu Road, Xincheng District, Hohhot City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Academy of Transportation Science Development Address before: 010051 north entrance of Zhelimu Road, Xincheng District, Hohhot City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia autonomous region transportation construction engineering quality monitoring and appraisal station (Inner Mongolia Autonomous Region Transportation Science Development Research Institute) Effective date of registration: 20231205 Address after: 430064 Hubei city of Wuhan province Wuchang Luojiashan Patentee after: WUHAN University Patentee after: Inner Mongolia Academy of Transportation Science Development Address before: 010051 north entrance of Zhelimu Road, Xincheng District, Hohhot City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Academy of Transportation Science Development |
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