CN112921759A - Emulsified asphalt road spraying device - Google Patents
Emulsified asphalt road spraying device Download PDFInfo
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- CN112921759A CN112921759A CN202110364383.0A CN202110364383A CN112921759A CN 112921759 A CN112921759 A CN 112921759A CN 202110364383 A CN202110364383 A CN 202110364383A CN 112921759 A CN112921759 A CN 112921759A
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- China
- Prior art keywords
- emulsified asphalt
- agitator
- stirring
- asphalt road
- outer container
- Prior art date
- 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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- 239000010426 asphalt Substances 0.000 title claims abstract description 66
- 238000005507 spraying Methods 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/45—Portable apparatus for preparing, or for preparing and applying to the road, compound liquid binders, e.g. emulsified bitumen, fluxed asphalt
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/104—Mixing by means of movable members in a non-rotating mixing enclosure, e.g. stirrers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1063—Controlling the operations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses an emulsified asphalt road spraying device, which comprises an outer box and a stirring barrel, wherein the stirring barrel is fixedly connected to the upper surface of the outer box, the upper surface of the stirring barrel is respectively provided with a first funnel and a second funnel in a penetrating manner, a stirring mechanism is arranged in the stirring barrel, a control mechanism is arranged on one side surface of the stirring barrel, a conveying pipe is arranged in the outer box, the upper end of the conveying pipe is arranged at the bottom end in the stirring barrel in a penetrating manner, four corners of the lower surface of the outer box are respectively provided with a movable wheel, four movable wheels are arranged, a brake device is respectively arranged on the four movable wheels, the two side surfaces of the outer box are respectively rotatably connected with a push handle through a rotating shaft, the stirring barrel is arranged at the upper end of the outer box, the stirring mechanism is arranged in the stirring barrel, and when emulsified asphalt is sprayed, the emulsified asphalt is continuously stirred, the problem that the conveying pipeline and the spray head are blocked due to solidification of emulsified asphalt is effectively prevented.
Description
Technical Field
The invention belongs to the technical field of asphalt road construction, and particularly relates to an emulsified asphalt road spraying device.
Background
The emulsified asphalt is liquid asphalt which is produced by asphalt and an emulsifier under the action of a certain process and has oil-in-water or water-in-oil (who wants to see the kind of the emulsifier). The emulsified asphalt is road asphalt used at high temperature, and is dispersed into water by mechanical stirring and chemical stabilization (emulsification) to liquefy into a road building material with low viscosity and good fluidity at normal temperature. Can be used at normal temperature, or can be used together with cold and moist stone.
Emulsified asphalt need use sprinkler generally when using and spray it on road surface, and traditional sprinkler can't carry out the stirring that does not stop to emulsified asphalt simultaneously when spraying emulsified asphalt, leads to when spraying work pause, and emulsified asphalt can slowly solidify, and finally will spray the pipeline and block up, causes the trouble.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects and provide an emulsified asphalt road spraying device to solve the problem that the emulsified asphalt proposed in the background art is slowly solidified and finally blocks a spraying pipeline, which causes troubles.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an emulsified asphalt road sprinkler, includes outer container and agitator, agitator fixed connection is at the outer container upper surface, the agitator upper surface runs through respectively and is provided with funnel one and funnel two, the inside rabbling mechanism that is provided with of agitator, an agitator side surface is provided with control mechanism, the inside conveyer pipe that is provided with of outer container, just the conveyer pipe upper end runs through the setting and is in the inside bottom of agitator, outer container lower surface four corners all is provided with removes the wheel, it is provided with four, four to remove the wheel all install arresting gear on the wheel, outer container both sides surface all is connected with through the pivot rotation and pushes away the handle.
Preferably, a spray head penetrates through one side surface of the outer box, and the spray head is fixedly connected with the conveying pipe.
Preferably, a valve is arranged at one end inside the conveying pipe.
Preferably, the surface of the conveying pipe is provided with a heating wire.
Preferably, rabbling mechanism includes agitator motor, dwang, puddler and stirring tooth, just agitator motor fixed connection be in the inside upper end of agitator, agitator motor lower extreme transmission is connected with the dwang, the fixed surface of the rotor is connected with the puddler, the puddler is provided with a plurality of, a plurality of the equal fixedly connected with in puddler surface stirring tooth, just the stirring tooth is provided with a plurality of.
Preferably, the lower end of the rotating rod is fixedly connected with a protection frame, and a density sensor is arranged inside the protection frame.
Preferably, the control mechanism comprises a controller shell, a display and a control key, the display is arranged at the upper end of one side surface of the controller shell, the control key is arranged at the lower end of one side surface of the controller shell, and the control key is provided with a plurality of control keys.
Compared with the prior art, the invention provides an emulsified asphalt road spraying device, which has the following beneficial effects:
1. according to the invention, the stirring barrel is arranged at the upper end of the outer box, the stirring mechanism is arranged in the stirring barrel, when emulsified asphalt is sprayed, the emulsified asphalt is continuously stirred by the stirring mechanism, so that the problem that the conveying pipeline and the spray head are blocked due to solidification of the emulsified asphalt is effectively prevented, and the problem that the emulsified asphalt is solidified due to over-low temperature is further prevented by arranging the electric heating wire on the surface of the conveying pipe and heating the inside of the conveying pipe by the electric heating wire;
2. according to the invention, the stirring mechanism is arranged in the stirring barrel, the rotating rod is driven to rotate by the stirring motor of the stirring mechanism, so that the stirring rod and the stirring teeth on the surface of the rotating rod are driven to rotate, the emulsified asphalt and the emulsified liquid in the stirring barrel are fully stirred, the emulsified asphalt is prevented from being solidified due to demulsification, the protection frame is arranged at the lower end of the rotating rod, the density sensor is arranged in the protection frame, the density of the emulsified asphalt in the protection frame is conveniently monitored in real time by the density sensor, and the sprayed emulsified asphalt has better quality;
3. according to the invention, the first funnel and the second funnel are respectively arranged at the upper end of the stirring barrel in a penetrating manner, asphalt is poured into the stirring barrel through the first funnel, emulsion is conveniently poured into the stirring barrel through the second funnel, the emulsion and the asphalt are fully stirred, the controller is arranged on the surface of one side of the stirring barrel, the internal stirring mechanism and the valve are conveniently controlled through the controller, and the density of the internal emulsified asphalt can be displayed through the display.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic structural view of an emulsified asphalt road spraying device according to the present invention;
FIG. 2 is a schematic structural diagram of a control mechanism in the emulsified asphalt road spraying apparatus according to the present invention;
FIG. 3 is a cross-sectional view of an emulsified asphalt road sprinkler according to the present invention;
FIG. 4 is an enlarged schematic view of the spraying device for emulsified asphalt road shown in FIG. 3A;
in the figure: 1. an outer box; 2. a rotating shaft; 3. a push handle; 4. a stirring barrel; 5. a control mechanism; 51. a controller housing; 52. a display; 53. a control key; 6. a stirring mechanism; 61. a stirring motor; 62. rotating the rod; 63. a stirring rod; 64. stirring teeth; 7. a protective frame; 8. a density sensor; 9. a first funnel; 10. a second funnel; 11. a moving wheel; 12. a delivery pipe; 13. a valve; 14. an electric heating wire; 15. and (4) a spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an emulsified asphalt road spraying device comprises an outer box 1 and a stirring barrel 4, wherein the stirring barrel 4 is fixedly connected to the upper surface of the outer box 1, the upper surface of the stirring barrel 4 is respectively provided with a first funnel 9 and a second funnel 10 in a penetrating manner, a stirring mechanism 6 is arranged inside the stirring barrel 4, and a control mechanism 5 is arranged on one side surface of the stirring barrel 4. according to the emulsified asphalt road spraying device, the stirring barrel 4 is arranged at the upper end of the outer box 1, the stirring mechanism 6 is arranged inside the stirring barrel 4, when emulsified asphalt is sprayed, the emulsified asphalt is continuously stirred by the stirring mechanism 6, so that the problem that the emulsified asphalt is solidified to cause blockage of a conveying pipe 12 and a spray head 15 is effectively prevented, the conveying pipe 12 is arranged inside the outer box 1, the upper end of the conveying pipe 12 is arranged at the bottom end inside the stirring barrel 4 in a penetrating manner, four moving wheels 11 are arranged at four corners of the lower surface of the outer, the surfaces of two sides of the outer box 1 are rotatably connected with a push handle 3 through a rotating shaft 2, and the whole device is convenient to move.
In the invention, preferably, a spray nozzle 15 penetrates through one side surface of the outer box 1, the spray nozzle 15 is fixedly connected with the conveying pipe 12, and the emulsified asphalt is conveniently sprayed on the road surface through the spray nozzle 15.
In the present invention, preferably, a valve 13 is disposed at one end inside the delivery pipe 12, so that the flow of the emulsified asphalt entering the delivery pipe 12 can be conveniently controlled by the valve 13.
In the present invention, preferably, the surface of the conveying pipe 12 is provided with the heating wire 14, so that the interior of the conveying pipe 12 can be heated continuously by the heating wire 14, and the problem of solidification of the emulsified asphalt caused by too low temperature during spraying can be further prevented.
In the present invention, preferably, the stirring mechanism 6 includes a stirring motor 61, a rotating rod 62, a stirring rod 63 and stirring teeth 64, the stirring motor 61 is fixedly connected to the upper end inside the stirring barrel 4, the lower end of the stirring motor 61 is connected to the rotating rod 62 in a transmission manner, the surface of the rotating rod 62 is fixedly connected to the stirring rod 63, the stirring rods 63 are provided with a plurality of stirring teeth 64, the surfaces of the plurality of stirring rods 63 are all fixedly connected to the stirring teeth 64, and the stirring teeth 64 are provided with a plurality of stirring teeth.
In the invention, preferably, the lower end of the rotating rod 62 is fixedly connected with the protective frame 7, the density sensor 8 is arranged in the protective frame 7, the protective frame 7 is arranged at the lower end of the rotating rod 62, the density sensor 8 is arranged in the protective frame 7, and the density of the emulsified asphalt in the emulsified asphalt can be conveniently monitored in real time through the density sensor 8, so that the sprayed emulsified asphalt has better quality.
In the invention, preferably, the control mechanism 5 comprises a controller shell 51, a display 52 and control keys 53, the display 52 is arranged at the upper end of one side surface of the controller shell 51, the control keys 53 are arranged at the lower end of one side surface of the controller shell 51, the control keys 53 are provided with a plurality of control keys, the internal stirring mechanism 6 and the valve 13 can be conveniently controlled by the controller, and the density of the internal emulsified asphalt can be displayed by the display 52.
The working principle and the using process of the invention are as follows: when the device is used, asphalt is poured into the stirring barrel 4 through the first hopper 9, then emulsion in a corresponding proportion is poured into the stirring barrel 4 through the second hopper 10, then the stirring mechanism 6 is controlled by the control key 53 of the control mechanism 5 to fully stir and mix the emulsion and the asphalt in the stirring barrel 4, and the density of the emulsified asphalt in the stirring barrel 4 is displayed through the display 52, so that the quality of the sprayed emulsified asphalt is better, when the density of the emulsified asphalt reaches the standard, the valve 13 is opened, the emulsified asphalt in the stirring barrel 4 is conveyed to the spray head 15 through the conveying pipe 12, in the conveying process, the conveying pipe 12 is continuously heated through the heating wire 14, so that the problem that the emulsified asphalt is solidified due to low temperature when the emulsified asphalt is conveyed is effectively prevented, and when the spray head 15 sprays the emulsified asphalt, the emulsified asphalt in the stirring barrel 4 is continuously stirred by the stirring mechanism 6, the problem that the emulsified asphalt is solidified to cause blockage of the conveying pipe 12 and the spray nozzle 15 is solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an emulsified asphalt road sprinkler, includes outer container (1) and agitator (4), its characterized in that: agitator (4) fixed connection is at outer container (1) upper surface, agitator (4) upper surface runs through respectively and is provided with funnel (9) and funnel two (10), agitator (4) inside rabbling mechanism (6) that is provided with, agitator (4) a side surface is provided with control mechanism (5), outer container (1) inside is provided with conveyer pipe (12), just conveyer pipe (12) upper end runs through the setting and is in the inside bottom of agitator (4), outer container (1) lower surface four corners all is provided with removes wheel (11), it is provided with four, four to remove wheel (11) all install arresting gear on removing wheel (11), outer container (1) both sides surface all is connected with through pivot (2) rotation and pushes away handle (3).
2. The emulsified asphalt road sprinkler as set forth in claim 1, wherein: the outer container is characterized in that a spray head (15) penetrates through the surface of one side of the outer container (1), and the spray head (15) is fixedly connected with the conveying pipe (12).
3. The emulsified asphalt road sprinkler as set forth in claim 1, wherein: and a valve (13) is arranged at one end inside the conveying pipe (12).
4. The emulsified asphalt road sprinkler as set forth in claim 1, wherein: the surface of the conveying pipe (12) is provided with an electric heating wire (14).
5. The emulsified asphalt road sprinkler as set forth in claim 1, wherein: rabbling mechanism (6) include agitator motor (61), dwang (62), puddler (63) and stirring tooth (64), just agitator motor (61) fixed connection be in agitator (4) inside upper end, agitator motor (61) lower extreme transmission is connected with dwang (62), dwang (62) fixed surface is connected with puddler (63), puddler (63) are provided with a plurality of, a plurality of puddler (63) equal fixedly connected with in surface stirring tooth (64), just stirring tooth (64) are provided with a plurality of.
6. The emulsified asphalt road spraying device as claimed in claim 5, wherein: dwang (62) lower extreme fixedly connected with protective frame (7), inside density sensor (8) that is provided with of protective frame (7).
7. The emulsified asphalt road sprinkler as set forth in claim 1, wherein: control mechanism (5) are including controller shell (51), display (52) and control button (53), just controller shell (51) one side surface upper end is provided with display (52), controller shell (51) one side surface lower extreme is provided with control button (53), just control button (53) are provided with a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110364383.0A CN112921759A (en) | 2021-04-05 | 2021-04-05 | Emulsified asphalt road spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110364383.0A CN112921759A (en) | 2021-04-05 | 2021-04-05 | Emulsified asphalt road spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112921759A true CN112921759A (en) | 2021-06-08 |
Family
ID=76174034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110364383.0A Pending CN112921759A (en) | 2021-04-05 | 2021-04-05 | Emulsified asphalt road spraying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112921759A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203346339U (en) * | 2013-06-08 | 2013-12-18 | 天津市亨益晟泰筑路材料科技有限公司 | Production equipment for high-viscosity epoxy emulsified asphalt |
| CN206192875U (en) * | 2016-10-26 | 2017-05-24 | 浙江宇茂水利生态建设有限公司 | Emulsified asphalt control system and emulsified asphalt storage device |
| CN206941347U (en) * | 2017-06-17 | 2018-01-30 | 东莞东交沥青有限公司 | A kind of emulsified asphalt dispensing device |
| CN210394273U (en) * | 2019-06-11 | 2020-04-24 | 山东百成新材料科技股份有限公司 | Asphalt emulsifying equipment |
| CN211329377U (en) * | 2019-12-02 | 2020-08-25 | 宏辉建材有限公司 | Emulsified asphalt reaction kettle |
| CN214783115U (en) * | 2021-04-05 | 2021-11-19 | 滕州市远通公路工程有限公司 | Emulsified asphalt road spraying device |
-
2021
- 2021-04-05 CN CN202110364383.0A patent/CN112921759A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203346339U (en) * | 2013-06-08 | 2013-12-18 | 天津市亨益晟泰筑路材料科技有限公司 | Production equipment for high-viscosity epoxy emulsified asphalt |
| CN206192875U (en) * | 2016-10-26 | 2017-05-24 | 浙江宇茂水利生态建设有限公司 | Emulsified asphalt control system and emulsified asphalt storage device |
| CN206941347U (en) * | 2017-06-17 | 2018-01-30 | 东莞东交沥青有限公司 | A kind of emulsified asphalt dispensing device |
| CN210394273U (en) * | 2019-06-11 | 2020-04-24 | 山东百成新材料科技股份有限公司 | Asphalt emulsifying equipment |
| CN211329377U (en) * | 2019-12-02 | 2020-08-25 | 宏辉建材有限公司 | Emulsified asphalt reaction kettle |
| CN214783115U (en) * | 2021-04-05 | 2021-11-19 | 滕州市远通公路工程有限公司 | Emulsified asphalt road spraying device |
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Effective date of registration: 20210721 Address after: 277599 Tengzhou Yuantong Highway Engineering Co., Ltd., South Huancheng Road, Tengzhou City, Zaozhuang City, Shandong Province Applicant after: Tengzhou Yuantong Highway Engineering Co.,Ltd. Address before: 277000 dong58, dongzhuzhuang village, Shuiquan Town, Shanting District, Zaozhuang City, Shandong Province Applicant before: Zaozhuang Field Information Technology Co.,Ltd. |
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