CN204509945U - A kind of novel system for improving stone surface performance - Google Patents
A kind of novel system for improving stone surface performance Download PDFInfo
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- CN204509945U CN204509945U CN201520089663.5U CN201520089663U CN204509945U CN 204509945 U CN204509945 U CN 204509945U CN 201520089663 U CN201520089663 U CN 201520089663U CN 204509945 U CN204509945 U CN 204509945U
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Abstract
The utility model discloses a kind of novel system for improving stone surface performance, described system comprises warehouse for drying, storage storehouse, modification storehouse, unit heater, blow tank, building stones sampler and control appliance, described modification storehouse is micro-singles haft horizontal a mixing bowl that inclines, its acclivitous one end is provided with into gate, downward-sloping one end is provided with out gate and two air ports, bottom is provided with sampling gate, a rotatable main shaft is had in described modification storehouse, this main shaft can rotate under the traction of power set, described main shaft is distributed with probe and modifier shower nozzle.The utility model system and method can while carrying out mix by the surface modifier after the process such as atomization, foaming and building stones, real-time assessment stone surface modified effect, again according to modified effect to regulate various parameter, to reach the object substantially improving stone surface performance under the prerequisite not affecting building stones continus convergence, meet the needs that large-scale engineering is built.
Description
Technical field
The utility model relates to a kind of novel system for improving stone surface performance, and especially a kind of large construction field, for improving the novel system of stone surface performance, belongs to highway construction field of mechanical technique.
Background technology
At present, the building stones for highway construction must meet multinomial material property requirement.But, because the single index of some building stones is defective, even if cause other performance indications excellences of such building stones also cannot be applied, and then the complete satisfactory building stones of farther regional procurement to be removed.Which results in building stones price high, haul distance increases, and causes and depend on unduly the building stones of some type and exploit.Not only increase construction cost, but also create environmental disruption due to exhaustive exploitation.Such as, although acid or neutral building stones have good mechanical property and technical characterstic, but due to poor with the adhesive capacity of bituminous material, the designing requirement of corresponding flexible pavement surface course raw material cannot be met, can limit to some extent in actual applications, and the principle that highway construction " gathers materials on the spot " cannot be realized.In certain areas, the high-quality alkalescence top layer building stones resource that can meet flexible pavement instructions for use, due to long-term exploitation, is on the verge of scarcity, so use acid stone to be following inevitable development trend.Use acid stone that anti-strip measure will be taked in principle to make pitch and acid stone tight adhesion.Traditional anti-strip measure adds antistripping agent in pitch, as lime, and polyamide polymers etc.But the adding technology of traditional antistripping agent lacks specific aim, mainly add in pitch, and non-immediate is for building stones---asphalt interface, causes antistripping agent composition to fail to play effect completely.Therefore, directly modification is carried out to the function of surface of building stones, be considered to effective way and the important development direction of improving bituminous mixture overall performance.No matter use acid or alkaline building stones, integral working and the surface chemical property that modification can improve bituminous mixture is comprehensively carried out for stone surface, the adhesive capacity of building stones and pitch is reached after national regulation requires, high-grade bituminous highway surface course building stones can be it can be used as, reduce modified bitumen production link, reduce costs, there is great use value.
Except carrying out modification to strengthen except the adhesive capacity of itself and bituminous material to stone surface described in above-mentioned example, all kinds ofly to gather materials or Concrete Material all also exists certain physics, chemical property defect.By researching and developing and using the modifier of other type, can improve or give other performances of gathering materials (as waterproof, acidproof, heat-resisting, anticorrosive, shock resistance, radiation proof etc.).In addition, not only be confined to gather materials, for other concrete material, according to engineering need add dissimilar property-modifying additive, various novel high-quality concrete can be prepared, as polymer concrete, acidproof concrete, ceramic concrete, anticorrosive concrete and heat resistance concrete etc.Stone surface modification technology can be applied in multiple occasion, meets different demand, has very large development and application prospect.
Meanwhile, when carrying out performance improvement process to surface of aggregate on the spot at the construction field (site), the efficiency of the overall mix that gathers materials is most important.Therefore, in order to efficiency and the uniformity coefficient of modified aggregate 's surface property can be improved, and ensure the continuity that building stones are carried, the efficiency of overall mix thus guarantee is gathered materials, the expense of transport of gathering materials is down to minimum by modification on the spot simultaneously, meet the needs at extensive Expressway Construction scene, design a kind of novel system being specifically designed to the improvement stone surface performance of job site and just seem particularly necessary.
Utility model content
The purpose of this utility model is the needs for extensive job site, provide a kind of novel system for improving stone surface performance, this system can while carrying out mix by the surface modifier after the process such as atomization, foaming and building stones, real-time assessment stone surface modified effect, again according to stone surface modified effect to regulate the parameters such as mix temperature, speed and modifier fountain height, to reach the object substantially improving stone surface performance under the prerequisite not affecting building stones continus convergence, meet the needs that large-scale engineering is built.
The purpose of this utility model can reach by taking following technical scheme:
A kind of novel system for improving stone surface performance, comprise warehouse for drying, storage storehouse, modification storehouse, unit heater, blow tank, building stones sampler and control appliance, described modification storehouse is micro-singles haft horizontal a mixing bowl that inclines, its acclivitous one end is provided with into gate, downward-sloping one end is provided with out gate and two air ports, and bottom is provided with sampling gate; Have a rotatable main shaft in described modification storehouse, described main shaft can be drawn by power set and rotate, and described main shaft is installed with mixing arm and blade, described main shaft is distributed with probe and modifier shower nozzle; Described warehouse for drying passes through to be connected with modification storehouse into gate, described blow tank passes through gate and is connected with modification storehouse, described unit heater is connected with two air ports in modification storehouse respectively by two guide ducts, described storage storehouse is used for storing through pretreated surface modifier, and be connected with modifier shower nozzle by conduit, described building stones sampler is connected with modification storehouse by sampling gate; Described control appliance respectively with unit heater, enter gate, go out gate, sampling gate, probe, modifier shower nozzle, power set and building stones sampler circuit be connected.
As a kind of preferred version, described building stones sampler comprises stripper, feeding basin and video camera, and described stripper is connected with modification storehouse by sampling gate, and described feeding basin is positioned at below stripper, described video camera is arranged between stripper and feeding basin, and is connected with control appliance.
As a kind of preferred version, described video camera has some, described some video cameras with multiple angular displacement between stripper and feeding basin.
As a kind of preferred version, described probe has several, and several probes described along main shaft evenly and be intervally arranged; Probe includes hygrosensor and droplet concentrations detectors.
As a kind of preferred version, described modifier shower nozzle is divided into some groups, and described some groups of modifier shower nozzles along main shaft longitudinally evenly and be intervally arranged, and are often organized modifier shower nozzle and had multiple along spindle collar to symmetrical modifier shower nozzle; Modifier shower nozzle includes atomizer and foaming shower nozzle, and modifier shower nozzle is detachable, replaceable dissimilar shower nozzle according to actual needs.
As a kind of preferred version, described control appliance is computer, its by data wire respectively with unit heater, enter gate, go out gate, sampling gate, probe, modifier shower nozzle, power set and camera circuitry be connected.
The utility model has following beneficial effect relative to prior art:
1, novel system for improving stone surface performance of the present utility model can realize being atomized, while surface modifier after the process such as foaming and building stones carry out even mix, monitoring of environmental temperature and modifier droplet concentration, immediately modified building stones are sampled, real-time assessment stone surface modified effect, immediately adjust according to modified effect again, optimize mixing speed, temperature, the parameters such as modifier fountain height, to reach the object fully improving special performance indications of gathering materials under the prerequisite not affecting building stones continus convergence, meet the needs that large-scale engineering is built.
2, in the novel system for improving stone surface performance of the present utility model, hard-wired on the main shaft in modification storehouse have some mixing arms and blade; During work, power set start or brake under the instruction of control appliance, main shaft can be controlled rotate with the mixing arm be fixed thereon and blade integral, stop or reversing, in whipping process, building stones can be thrown completely, building stones are fully contacted with the modifier of disperse in modification storehouse is comprehensive in the tossed process with falling, improve modification efficiency, reach the object strengthening modified effect and quality.
3, in the novel system for improving stone surface performance of the present utility model, unit heater is connected with two air ports (air intake and air outlet) in modification storehouse respectively by two guide ducts (air intake conduit and air-out conduit), air intake and air outlet are all arranged on downward-sloping one end, modification storehouse, the thermal current being heated to assigned temperature through unit heater is first full of whole modification storehouse, agitating again through unit heater, thermal current is circulated by guide duct between unit heater and modification storehouse, reaches the object controlling environment temperature in modifying process; Meanwhile, thermal current can accelerate the adhesion process of modifier and stone surface, forms the modifier film of complete densification at stone surface.
4, in the novel system for improving stone surface performance of the present utility model, the main shaft in modification storehouse is distributed with several probes and some groups of modifier shower nozzles; Some groups of modifier shower nozzles along main shaft longitudinally evenly and be intervally arranged, and often group modifier shower nozzle has multiple along spindle collar to symmetrical modifier shower nozzle, modifier shower nozzle includes atomizer and foaming shower nozzle, can be atomized modifier and foam process, also can have the shower nozzle of other types if desired; Surface modifier after pretreatment (as heated, stirring evenly), is stored in storage storehouse, then is transported on the modifier shower nozzle of main shaft by conduit, during work, under the instruction of control appliance, sprays modifier to the whole spatial synchronization in modification storehouse; Probe includes hygrosensor and droplet concentrations detectors, several probes are even and spaced apart along main shaft, can temperature and modifier droplet concentration parameter in at-once monitor modification storehouse, and by parameter feedback to control appliance, utilize hygrosensor and droplet concentrations detectors acquisition temperature and droplet concentration parameter to be existing mature technology.
5, in the novel system for improving stone surface performance of the present utility model, warehouse for drying by be opened/closed enter gate be connected with modification storehouse.During work, under the instruction of control appliance, entering gate can open in the horizontal direction, and caning be passed through through the building stones of drying and processing the passage opened into gate at warehouse for drying, to enter modification storehouse pending.
6, in the novel system for improving stone surface performance of the present utility model, building stones sampler is connected with modification storehouse by sampling gate.During work, under the instruction of control appliance, sampling gate can be opened in the horizontal direction, stone sample on a small quantity through modification is discharged into feeding basin by stripper, between stripper and feeding basin, rationally be placed with some video cameras, unload under stone sample in process, the photo of shooting function instantaneous shooting stone sample with multi-angle, be transferred to control appliance, by parameters such as the modifier coverage scales of intuitive visual or software compare of analysis stone surface, thus assessment stone surface modified effect; Also can manually analyze the stone sample in feeding basin if desired, to assess stone surface modified effect.
7, in the novel system for improving stone surface performance of the present utility model, according to assessing the stone surface modified effect obtained, control appliance can feedback command to unit heater, modifier shower nozzle, power set etc., respectively gas flow temperature, modifier fountain height, modification storehouse velocity of rotation etc. are adjusted, to improve stone surface modified effect.
8, in the novel system for improving stone surface performance of the present utility model, blow tank by be opened/closed go out gate be connected with modification storehouse; During work, under the instruction of control appliance, going out gate can open in the horizontal direction, the building stones after modification is qualified, can be passed through out the passage that gate opens and enters blow tank, is transferred toward next process, for post-processed brings convenience.
Accompanying drawing explanation
Fig. 1 is the novel system structural representation for improving stone surface performance of the present utility model.
Wherein, 1-warehouse for drying, 2-storage storehouse, 3-conduit, 4-modification storehouse, 5-unit heater, 6-guide duct, 7-air port, 8-power set, 9-control appliance, 10-enters gate, and 11-goes out gate, 12-sampling gate, 13-main shaft, 14-mixing arm and blade, 15-probe, 16-modifier shower nozzle, 17-stripper, 18-feeding basin, 19-video camera, 20-blow tank.
Detailed description of the invention
Be described in further detail the purpose of this utility model below in conjunction with the drawings and specific embodiments, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following examples.
As shown in Figure 1, the novel system for improving stone surface performance of the present embodiment, comprises warehouse for drying 1, storage storehouse 2, modification storehouse 4, unit heater 5, blow tank 20, building stones sampler and control appliance 9, described modification storehouse 4 is micro-singles haft horizontal a mixing bowl (tilt adjustable) that inclines, its acclivitous one end is provided with into gate 10, downward-sloping one end is provided with out gate 11 and two air ports 7, bottom is provided with sampling gate 12, a rotatable main shaft 13 is had in described modification storehouse 4, described main shaft 13 can be drawn by power set 8 and rotate, described main shaft 13 is installed with mixing arm and blade 14, described main shaft 13 is distributed with probe 15 and modifier shower nozzle 16, described main shaft 13 is boring structure, modifier in storage storehouse 2 enters the inside of main shaft 13 by conduit 3, be sprayed onto in modification storehouse 4 by modifier shower nozzle 16 again,
Described warehouse for drying 1 passes through to be connected with modification storehouse 4 into gate 10, and entering gate 10 can open in the horizontal direction, and caning be passed through through the building stones of drying and processing the passage opened into gate 10 at warehouse for drying 1, to enter modification storehouse 4 pending;
Described storage storehouse 2 is for storing the surface modifier after pretreatment (as heated, foaming, stir evenly), and be connected with modifier shower nozzle 16 by conduit 3, make to be transported on modifier shower nozzle 16 by conduit 3 through pretreated surface modifier;
Described unit heater 5 is connected with two air ports 7 in modification storehouse 4 respectively by two guide ducts 6, two air ports 7 are respectively air intake and air outlet, namely two corresponding guide ducts 6 are respectively air intake conduit and air-out conduit, the thermal current being heated to assigned temperature through unit heater 5 is first full of whole modification storehouse 4, agitating again through unit heater 5, thermal current is circulated by guide duct 6, with the temperature that controls environment between unit heater 5 and modification storehouse 4;
Described blow tank 20 passes through gate 11 and is connected with modification storehouse 4, and going out gate 11 can open in the horizontal direction, the building stones after modification is qualified, can be passed through out the passage that gate 11 opens and enters blow tank 20, is transferred toward next process;
Described building stones sampler comprises stripper 17, feeding basin 18 and video camera 19, described stripper 17 is connected with modification storehouse 4 by sampling gate 12, described feeding basin 18 is positioned at below stripper 17, described video camera 19 has 4,4 video cameras 19 with four angular displacement between stripper 17 and feeding basin 18; Sampling gate 12 can be opened in the horizontal direction, and the stone sample on a small quantity through modification is discharged into feeding basin 18 by stripper 17; What video camera 19 adopted is high-speed camera, unloads in process under stone sample, video camera 19 with photo that is comprehensive, instantaneous shooting stone sample with multi-angle, and by picture transmission to control appliance 9;
Described control appliance 9 is computer, its by data wire respectively with unit heater 5, enter gate 10, go out gate 11, sampling gate 12, power set 8, probe 15, modifier shower nozzle 16 and video camera 19 be connected;
Described mixing arm and blade 14 are four groups, and along main shaft 13 longitudinally evenly and be intervally arranged, and often group has two along the symmetrical mixing arm of main shaft 13 and blade 14 for some groups of modifier shower nozzles 16;
Described probe 15 has four, along main shaft 13 evenly and be intervally arranged; Probe 15 includes hygrosensor and droplet concentrations detectors, can temperature and modifier droplet concentration parameter in at-once monitor modification storehouse 4;
Described modifier shower nozzle 16 is divided into four groups, and along main shaft 13 longitudinally evenly and be intervally arranged, and often group has multiple modifier shower nozzle symmetrical along main shaft 13 hoop for four groups of modifier shower nozzles 16; Modifier shower nozzle 16 includes atomizer and foaming shower nozzle, and can be atomized modifier and foam process; And modifier shower nozzle 16 is detachable, can be replaced by dissimilar shower nozzle according to actual needs;
Described power set 8, for driving main shaft 13 unitary rotation; Operationally, power set 8 start or brake under the control of control appliance 9, can control main shaft 13 and rotate, stop or reversing.
The stone surface performance improvement process of the novel system for improving stone surface performance of the present embodiment, comprises the following steps:
S1, the integral inclined angle in adjustment modification storehouse 4 are about 5 °;
S2, the parameter of control appliance 9 is set, send instruction to unit heater 5 by control appliance 9, make unit heater 5 by air heat to 50 DEG C, and by guide duct 6, thermal current is circulated between unit heater 5 and modification storehouse 4, continue about 2 minutes, in modification storehouse 4, temperature moves closer to and reaches 50 DEG C;
S3, send instruction to power set 8 by control appliance 9, power set 8 are started working, traction main shaft 13 unitary rotation, continues about 5 seconds;
S4, send instruction to modifier shower nozzle 16 by control appliance 9, modifier shower nozzle 16 start to spray surface modifier (spray rate be about that building stones enter modification storehouse speed 0.1%, i.e. 3kg per minute), make the surface modifier through atomization, foaming process be full of whole space, modification storehouse 6 and inwall; Probe 15 starts to monitor the temperature in modification storehouse 4 and modifier droplet concentration parameter simultaneously, and Real-time Feedback is to control appliance 9;
S5, send instruction feed gate 10 by control appliance 9, control to open into gate 10, start to enter in modification storehouse 4 through the passage entering gate 7 and open at the building stones of warehouse for drying 1 through drying and processing, speed controls charging per minute 3 ~ 5 tons;
After S6, building stones start to enter modification storehouse 4, main shaft 13 was through 10 seconds rotated forward, and control appliance 9 controls power set 8 makes it provide reverse tractive force, drove main shaft 13 entirety to rotate backward; After 10 seconds rotate backward, repeat this step; Rotate forward by hocketing and rotate backward for 3 times, building stones are thrown completely, and building stones are fully contacted with the modifier of disperse in modification storehouse 4 is comprehensive in the tossed process with falling, building stones and surface modifier mix are to complete uniform state the most at last, and under the effect of thermal current, stone surface forms the modifier film of complete densification;
S7, after building stones enter modification storehouse 4, control appliance 9 controls sampling gate 12 to open about 4 seconds among a small circle, and the stone sample on a small quantity through modification is discharged into feeding basin 18 by stripper 17; Unload under stone sample in process, 4 video cameras 19 are with photo that is comprehensive, instantaneous shooting stone sample with multi-angle, and by picture transmission to control appliance 9, by the modifier coverage scale parameter of intuitive visual or software comparison photo analysis stone surface, thus assessment stone surface modified effect; Also can manually analyze the stone sample in feeding basin 18 if desired, to assess stone surface modified effect further;
S8, the stone surface modified effect obtained according to assessment, if need parameter be adjusted, control appliance 9 controls unit heater 5, modifier shower nozzle 16 and power set 8, respectively gas flow temperature, modifier fountain height and modification storehouse velocity of rotation are adjusted, to improve stone surface modified effect, after adjustment, return step S6; If without the need to adjusting parameter, directly enter step S9;
S9, confirm that building stones modifications is qualified after testing after, control appliance 9 controls out gate 11 and opens, and building stones enter blow tank 20 through the passage going out gate 11 and open, and are transferred toward next process;
S10, at the qualified building stones of surface modification treatment while blow tank 20 is discharged, control appliance 9 controls to open into gate 10, repeats step S5 to step S9, carries out the surface modification treatment of follow-up building stones.
In sum, novel system for improving stone surface performance of the present utility model can realize while the surface modifier after the process such as atomization, foaming and building stones are carried out even mix, monitoring of environmental temperature and modifier droplet concentration, immediately modified building stones are sampled, real-time assessment stone surface modified effect, again according to parameters such as modified effect adjustment mixing speed, temperature, modifier fountain height, to reach the object substantially improving stone surface performance under the prerequisite not affecting building stones continus convergence, meet the needs that large-scale engineering is built.
The above; be only the utility model patent preferred embodiment; but the protection domain of the utility model patent is not limited thereto; the angle of inclination in such as modification storehouse can be 3 °, 8 ° etc.; anyly be familiar with those skilled in the art in the scope disclosed in the utility model patent; be equal to according to the technical scheme of the utility model patent and utility model design thereof and replaced or change, all belonged to the protection domain of the utility model patent.
Claims (8)
1. one kind for improving the novel system of stone surface performance, it is characterized in that: comprise warehouse for drying, storage storehouse, modification storehouse, unit heater, blow tank, building stones sampler and control appliance, described modification storehouse is micro-singles haft horizontal a mixing bowl that inclines, its acclivitous one end is provided with into gate, downward-sloping one end is provided with out gate and two air ports, bottom is provided with sampling gate, a rotatable main shaft is had in described modification storehouse, described main shaft can rotate under the traction of power set, described main shaft is installed with mixing arm and blade, described main shaft is distributed with probe and modifier shower nozzle, described warehouse for drying passes through to be connected with modification storehouse into gate, described blow tank passes through gate and is connected with modification storehouse, described unit heater is connected with two air ports in modification storehouse respectively by two guide ducts, described storage storehouse is used for storing through pretreated surface modifier, and be connected with modifier shower nozzle by conduit, described building stones sampler is connected with modification storehouse by sampling gate, described control appliance respectively with unit heater, enter gate, go out gate, sampling gate, probe, modifier shower nozzle, power set and building stones sampler circuit be connected.
2. a kind of novel system for improving stone surface performance according to claim 1, it is characterized in that: described building stones sampler comprises stripper, feeding basin and video camera, described stripper is connected with modification storehouse by sampling gate, described feeding basin is positioned at below stripper, described video camera is arranged between stripper and feeding basin, and is connected with control appliance circuit.
3. a kind of novel system for improving stone surface performance according to claim 2, is characterized in that: described video camera has some, described some video cameras with multiple angular displacement between stripper and feeding basin.
4. a kind of novel system for improving stone surface performance according to claim 1, it is characterized in that: described mixing arm and blade are divided into some groups, along main shaft longitudinally evenly and be intervally arranged, and often group has two along the symmetrical mixing arm of main shaft and blade for some groups of modifier shower nozzles.
5. a kind of novel system for improving stone surface performance according to claim 1, is characterized in that: described probe has several, and several probes described along main shaft evenly and be intervally arranged; Probe includes hygrosensor and droplet concentrations detectors.
6. a kind of novel system for improving stone surface performance according to claim 1, it is characterized in that: described modifier shower nozzle is divided into some groups, described some groups of modifier shower nozzles along main shaft longitudinally evenly and be intervally arranged, and are often organized modifier shower nozzle and are had multiple along spindle collar to symmetrical modifier shower nozzle; Modifier shower nozzle includes atomizer and foaming shower nozzle, and modifier shower nozzle is detachable.
7. a kind of novel system for improving stone surface performance according to claim 1, is characterized in that: the tilt adjustable in described modification storehouse is whole, scope is 0 ° ~ 20 °.
8. a kind of novel system for improving stone surface performance according to claim 2, it is characterized in that: described control appliance is computer, its by data wire respectively with unit heater, enter gate, go out gate, sampling gate, probe, modifier shower nozzle, power set and camera circuitry be connected.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948240A (en) * | 2017-05-18 | 2017-07-14 | 中铁十局集团西北工程有限公司 | A kind of modifying agent flusher and control method for oilstone interface |
| CN106948242A (en) * | 2017-05-18 | 2017-07-14 | 中铁十局集团西北工程有限公司 | A kind of reforming apparatus of building stones film |
| WO2021093318A1 (en) * | 2019-11-14 | 2021-05-20 | 中交一公局集团有限公司 | Gravel surface chemical slurry treatment device and method |
-
2015
- 2015-02-09 CN CN201520089663.5U patent/CN204509945U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948240A (en) * | 2017-05-18 | 2017-07-14 | 中铁十局集团西北工程有限公司 | A kind of modifying agent flusher and control method for oilstone interface |
| CN106948242A (en) * | 2017-05-18 | 2017-07-14 | 中铁十局集团西北工程有限公司 | A kind of reforming apparatus of building stones film |
| CN106948242B (en) * | 2017-05-18 | 2022-11-01 | 中铁十局集团西北工程有限公司 | Modification device of stone film |
| WO2021093318A1 (en) * | 2019-11-14 | 2021-05-20 | 中交一公局集团有限公司 | Gravel surface chemical slurry treatment device and method |
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Effective date of registration: 20190129 Address after: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Co-patentee after: Guangzhou South China University of Technology science and Technology Park Co., Ltd. Patentee after: Yu Jiangmiao Address before: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: South China University of Technology |
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Effective date of registration: 20190328 Address after: 528313 Shunde Machinery City, Foshan City, Guangdong Province, 22 419 Rooms, No. 18 Xingye 4 Road, Guanglong Industrial Park, Chencun Town, Shunde District, Guangdong Province Patentee after: Huayun Tongda (Guangdong) Road Technology Co., Ltd. Address before: 510640 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Co-patentee before: Guangzhou South China University of Technology science and Technology Park Co., Ltd. Patentee before: Yu Jiangmiao |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A newsystem for improving building stones surface property Effective date of registration: 20200119 Granted publication date: 20150729 Pledgee: Bank of China Limited by Share Ltd Shunde branch Pledgor: GUANGDONG GT-TECH ROAD MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980000149 |