CN203976636U - A kind of building stones surface property improves system - Google Patents
A kind of building stones surface property improves system Download PDFInfo
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- CN203976636U CN203976636U CN201420347782.1U CN201420347782U CN203976636U CN 203976636 U CN203976636 U CN 203976636U CN 201420347782 U CN201420347782 U CN 201420347782U CN 203976636 U CN203976636 U CN 203976636U
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Abstract
The utility model discloses a kind of building stones surface property and improve system, described system comprises warehouse for drying, storage storehouse, modification storehouse, calorifier, blow tank, building stones sampling unit and operating device, described modification storehouse is micro-single shaft Horizontal stirring cylinder 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, described modification is fixed with a main shaft in storehouse, on described main shaft, be distributed with detector and properties-correcting agent shower nozzle, on the outer wall in described modification storehouse, be provided with for driving the transmitting gear of modification storehouse unitary rotation.The utility model system can be when carrying out mix by the surface-modifying agent after the processing such as atomization, foaming and building stones, real-time assessment building stones surface modification effect, again according to modified effect to regulate various parameters, to reach the object that substantially improves building stones surface property under the continuous prerequisite of carrying of building stones not affecting, meet the needs that large-scale engineering is built.
Description
Technical field
The utility model relates to a kind of building stones surface property and improves system, and especially a kind of large construction field building stones surface property improves system, belongs to road engineering field of mechanical technique.
Background technology
At present, the building stones for road construction must meet multinomial material property requirement.Yet, because the single index of some building stones is defective, even if cause other performance index excellences of such building stones also cannot be applied, and then to remove the complete satisfactory building stones of farther regional procurement.This has caused building stones price high, and haul distance increases, and causes the building stones of some type are depended on unduly and exploited.Not only increased construction cost, but also because overexploitation has produced environmental disruption.For example, although acid or neutral building stones have good mechanical property and technical characterstic, but due to poor with the adhesive capacity of bituminous material, cannot meet the design requirements of corresponding bituminous pavement upper layer starting material, can limit to some extent in actual applications, and cannot realize the principle that road construction " is gathered materials on the spot ".In certain areas, can meet the high-quality alkalescence top layer building stones resource of bituminous pavement service requirements due to long-term exploitation, be on the verge of scarcity, so use acid stone, be following inevitable development trend.Use acid stone will take in principle antistripping measure to make pitch and acid stone tight adhesion.Traditional antistripping measure is to add antistripping agent in pitch, as lime, and polyamide polymers etc.But the adding technology of traditional antistripping agent lacks specific aim, mainly adds in pitch, not directly for building stones---pitch interface, causes antistripping agent composition to fail to bring into play completely effect.Therefore, directly the function of surface of building stones is carried out to modification, be considered to improve effective way and the important development direction of asphalt overall performance.No matter use acid or alkaline building stones, for building stones modifying surface, can improve integral working and the surface chemical property of asphalt comprehensively, after making the adhesive capacity of building stones and pitch reach national regulation to require, can be using it as high-grade bituminous highway upper layer building stones, reduce modifying asphalt production link, reduce costs, there is great use value.
Except described in above-mentioned example to building stones modifying surface to strengthen the adhesive capacity of itself and bituminous material, the properties-correcting agent of replaceable other type also, to improve the adhesive capacity of building stones and other materials, or improve other performances (as waterproof, anticorrosive, shock resistance, radioprotective etc.) of building stones.Building stones process for modifying surface can be applied in multiple occasion, meets different demands, has very large development and application prospect.
While at the construction field (site) improved performance processing being carried out in building stones surface, the continuity of system operation (mainly referring to the continuity that building stones are carried) is most important.Therefore, in order to improve efficiency and the degree of uniformity of building stones surface modification, guarantee the continuity that building stones are carried simultaneously, design a kind of building stones surface property improvement system that is specifically designed to working-yard and just seem particularly necessary.
Utility model content
The purpose of this utility model is the needs for extensive working-yard, provide a kind of building stones surface property to improve system, this system can be when carrying out mix by the surface-modifying agent after the processing such as atomization, foaming and building stones, real-time assessment building stones surface modification effect, again according to building stones surface modification effect to regulate the parameters such as mix temperature, speed and properties-correcting agent sprinkling amount, to reach the object that substantially improves building stones surface property under the continuous prerequisite of carrying of building stones not affecting, meet the needs that large-scale engineering is built.
The purpose of this utility model can be by taking following technical scheme to reach:
A kind of building stones surface property improves system, comprise warehouse for drying, storage storehouse, modification storehouse, calorifier, blow tank, building stones sampling unit and operating device, described modification storehouse is micro-single shaft Horizontal stirring cylinder 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, described modification is fixed with a main shaft in storehouse, on described main shaft, be distributed with detector and properties-correcting agent shower nozzle, on the outer wall in described modification storehouse, be provided with for driving the transmitting gear of modification storehouse unitary rotation; Described warehouse for drying is connected with modification storehouse by entering gate, described blow tank is connected with modification storehouse by going out gate, described calorifier is connected with two air ports in modification storehouse respectively by two guide ducts, described storage storehouse is used for storing through pretreated surface-modifying agent, and be connected with properties-correcting agent shower nozzle by conduit, described building stones sampling unit is connected with modification storehouse by sampling gate; Described operating device respectively with calorifier, enter gate, go out gate, sampling gate, detector, properties-correcting agent shower nozzle, transmitting gear be connected with building stones sampling unit.
As a kind of preferred version, described building stones sampling unit comprises stripper, feeding basin and pick up camera, and described stripper is connected with modification storehouse by sampling gate, and described feeding basin is positioned at stripper below, described pick up camera is arranged between stripper and feeding basin, and is connected with operating device.
As a kind of preferred version, described pick up camera has some, and described some pick up cameras are arranged between stripper and feeding basin with a plurality of angles.
As a kind of preferred version, described detector has several, and described several detectors along main shaft evenly and be intervally arranged; Detector includes hygrosensor and droplet concentration detector.
As a kind of preferred version, described properties-correcting agent shower nozzle is divided into some groups, and along main shaft longitudinally evenly and be intervally arranged, and every group of properties-correcting agent shower nozzle has a plurality of along spindle collar to symmetrical properties-correcting agent shower nozzle described some groups of properties-correcting agent shower nozzles; Properties-correcting agent shower nozzle includes atomizer and foaming shower nozzle.
As a kind of preferred version, on the inwall in described modification storehouse evenly and compartment of terrain be distributed with the rib of inclination certain angle.
As a kind of preferred version, the range of tilt angles of described rib is 30 °～60 °.
As a kind of preferred version, described transmitting gear has several, and the outer wall in described several transmitting gears and modification storehouse fits tightly.
As a kind of preferred version, described operating device is computer, its by data line respectively with calorifier, enter gate, go out gate, sampling gate, detector, properties-correcting agent shower nozzle, transmitting gear be connected with pick up camera.
The utility model has following beneficial effect with respect to prior art:
1, building stones surface property of the present utility model improves system and can realize when the surface-modifying agent after the processing such as atomization, foaming and building stones are carried out to even mix, monitoring of environmental temperature and properties-correcting agent droplet concentration, immediately the building stones after modification are sampled, real-time assessment building stones surface modification effect, according to modified effect, adjust again the parameters such as stirring velocity, temperature, properties-correcting agent sprinkling amount, to reach the object that substantially improves building stones surface property under the continuous prerequisite of carrying of building stones not affecting, meet the needs that large-scale engineering is built.
2, in building stones surface property improvement system of the present utility model, several transmitting gears of installing on the outer wall in modification storehouse and the outer wall in modification storehouse fit tightly; During work, transmitting gear is synchronous startup or braking under the indication of operating device, can control modification cylinder unitary rotation, stop or reversing, improve modification efficiency, on the inwall of modification cylinder evenly and compartment of terrain be distributed with the rib of inclination certain angle, can in whipping process, building stones be thrown completely, building stones are fully contacted with the properties-correcting agent of disperse in modification storehouse is comprehensive in the tossed process with falling, reach the object of enhancing modified effect and quality.
3, in building stones surface property improvement system of the present utility model, calorifier is connected with two air ports (blast inlet and air outlet) in modification storehouse respectively by two guide ducts (air intake conduit and air-out conduit), blast inlet and air outlet are all arranged on downward-sloping one end, modification storehouse, the hot gas flow that is heated to assigned temperature through calorifier is first full of whole modification storehouse, process calorifier agitating again, hot gas flow is circulated between calorifier and modification storehouse by guide duct, reach the object of controlling envrionment temperature in modifying process; Meanwhile, hot gas flow can accelerate the adhesion process on properties-correcting agent and building stones surface, forms the properties-correcting agent film of complete densification on building stones surface.
4, in building stones surface property improvement system of the present utility model, on the main shaft in modification storehouse, be distributed with several detectors and some groups of properties-correcting agent shower nozzles, and this main shaft maintains static; Some groups of properties-correcting agent shower nozzles along main shaft longitudinally evenly and be intervally arranged, and every group of properties-correcting agent shower nozzle has a plurality of along spindle collar to symmetrical properties-correcting agent shower nozzle, properties-correcting agent shower nozzle includes atomizer and foaming shower nozzle, can carry out atomization and foaming processing to properties-correcting agent, also can have if desired the shower nozzle of other types; Surface-modifying agent after pre-treatment (as heated, stir evenly etc.), be stored in storage storehouse, then by conduit, be transported on the properties-correcting agent shower nozzle of main shaft, during work, under the indication of operating device, the whole spatial synchronization in modification storehouse sprays properties-correcting agent; Detector includes hygrosensor and droplet concentration detector, several detectors are even and spaced apart along main shaft, temperature and properties-correcting agent droplet concentration parameter in can at-once monitor modification storehouse, and by parameter feedback to operating device, utilize hygrosensor and droplet concentration detector obtains temperature and droplet concentration parameter is existing mature technology.
5,, in building stones surface property improvement system of the present utility model, warehouse for drying is entered gate and is connected with modification storehouse by be opened/closed.During work, under the indication of operating device, entering gate can open by along continuous straight runs, and at warehouse for drying, through the building stones of drying and processing, can passing through the passage of opening into gate, to enter modification storehouse pending.
6, in building stones surface property improvement system of the present utility model, building stones sampling unit is connected with modification storehouse by sampling gate.During work, under the indication of operating device, sampling gate can be opened by along continuous straight runs, a small amount of stone sample through modification can be discharged into feeding basin by stripper, between stripper and feeding basin, rationally be placed with some pick up cameras, under stone sample, unload in process, shooting function is the photo of instantaneous shooting stone sample with multi-angle, be transferred to operating device, by the parameters such as properties-correcting agent fraction of coverage on vision directly perceived or software compare of analysis building stones surface, thus assessment building stones surface modification effect; Also can manually to the stone sample in feeding basin, analyze if desired, to assess building stones surface modification effect.
7, in building stones surface property improvement system of the present utility model, the building stones surface modification effect obtaining according to assessment, operating device can feedback command to calorifier, properties-correcting agent shower nozzle, transmitting gear etc., respectively gas flow temperature, properties-correcting agent sprinkling amount, modification storehouse velocity of rotation etc. are adjusted, to improve building stones surface modification effect.
8,, in building stones surface property improvement system of the present utility model, blow tank is gone out gate and is connected with modification storehouse by be opened/closed; During work, under the indication of operating device, going out gate can open by along continuous straight runs, and the building stones after modification is qualified can pass through out the passage that gate opens and enter blow tank, are transferred toward next process, for post-processed brings convenience.
Accompanying drawing explanation
Fig. 1 is that building stones surface property of the present utility model improves system architecture schematic diagram.
Wherein, 1-warehouse for drying, 2-storage storehouse, 3-modification storehouse, 4-calorifier, 5-blow tank, 6-operating device, 7-enters gate, 8-goes out gate, 9-air port, 10-sampling gate, 11-main shaft, 12-detector, 13-properties-correcting agent shower nozzle, 14-transmitting gear, 15-rib, 16-conduit, 17-guide duct, 18-stripper, 19-feeding basin, 20-pick up camera.
Embodiment
Below in conjunction with the drawings and specific embodiments, the purpose of this utility model is described in further detail, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following examples.
Embodiment 1:
The building stones surface property of the present embodiment improves system, comprises warehouse for drying 1, storage storehouse 2, modification storehouse 3, calorifier 4, blow tank 5, building stones sampling unit and operating device 6; Described modification storehouse 3 is micro-single shaft Horizontal stirring cylinder (angle of inclination is adjustable) that inclines, its acclivitous one end is provided with into gate 7, downward-sloping one end is provided with out gate 8 and two air ports 9, bottom is provided with sampling gate 10, in described modification storehouse 3, be fixed with a main shaft 11, on described main shaft 11, be distributed with detector 12 and properties-correcting agent shower nozzle 13, on the outer wall in described modification storehouse 3, transmitting gear 14 is installed, on the inwall in described modification storehouse 3 evenly and compartment of terrain be distributed with the rib 15 of inclination certain angle (the present embodiment is 45 degree), wherein:
Described warehouse for drying 1 is connected with modification storehouse 3 by entering gate 7, and entering gate 7 can open by along continuous straight runs, and at warehouse for drying 1, through the building stones of drying and processing, can passing through the passage of opening into gate 7, to enter modification storehouse 3 pending;
Described storage storehouse 2 is for storing the surface-modifying agent after pre-treatment (as heated, stir evenly etc.), and be connected with properties-correcting agent shower nozzle 13 by conduit 16, make can be transported on properties-correcting agent shower nozzle 13 by conduit 16 through pretreated surface-modifying agent;
Described calorifier 4 is connected with two air ports 9 in modification storehouse 3 respectively by two guide ducts 17, two air ports 9 are respectively blast inlet and air outlet, two corresponding guide ducts 17 are respectively air intake conduit and air-out conduit, the hot gas flow that is heated to assigned temperature through calorifier 4 is first full of whole modification storehouse 3, process calorifier 4 agitating again, hot gas flow is circulated between calorifier 4 and modification storehouse 3, with the temperature that controls environment by guide duct 17;
Described blow tank 5 is connected with modification storehouse 3 by going out gate 8, and going out gate 8 can open by along continuous straight runs, and the building stones after modification is qualified can pass through out the passage that gate 8 opens and enter blow tank 5, are transferred toward next process;
Described building stones sampling unit comprises stripper 18, feeding basin 19 and pick up camera 20, described stripper 18 is connected with modification storehouse 3 by sampling gate 10, described feeding basin 19 is positioned at stripper 18 belows, described pick up camera 20 has 4, and 4 pick up cameras 20 are arranged between stripper 18 and feeding basin 19 with four angles; Sampling gate 10 can be opened by along continuous straight runs, and the stone sample through modification can be discharged into feeding basin 19 by stripper 18 on a small quantity; What pick up camera 20 adopted is high-speed camera, under stone sample, unloads in process, and pick up camera 20 is with comprehensive, the photo of instantaneous shooting stone sample with multi-angle, and by picture transmission to operating device 6;
Described operating device 6 is computer, its by data line respectively with calorifier 4, enter gate 7, go out gate 8, sampling gate 10, detector 12, properties-correcting agent shower nozzle 13, transmitting gear 14 be connected with pick up camera 20;
Described detector 12 has several, along main shaft 11 evenly and be intervally arranged; Detector 12 includes hygrosensor and droplet concentration detector, can at-once monitor modification storehouse 3 interior temperature and properties-correcting agent droplet concentration parameter;
Described properties-correcting agent shower nozzle 13 is divided into some groups, and along main shaft 11 longitudinally evenly and be intervally arranged, and every group has a plurality of along the symmetrical properties-correcting agent shower nozzle of main shaft 11 hoops for some groups of properties-correcting agent shower nozzles; Properties-correcting agent shower nozzle 13 includes atomizer and foaming shower nozzle, can carry out atomization and foaming processing to properties-correcting agent, also can have if desired the shower nozzle of other types;
Described transmitting gear 14 has 4, and 4 transmitting gears 14 fit tightly with the outer wall in modification storehouse 3, for driving modification storehouse 3 unitary rotation; When work, transmitting gear 14 is synchronous startup or braking under the indication of operating device 6, can control modification storehouse 3 unitary rotation, stops or reversing.
The building stones surface property that the building stones surface property of the present embodiment improves system improves process, comprises the following steps:
S1, adjustment modification storehouse 3 integral inclination angles are 5 ° of left and right;
S2, the parameter of operating device 6 is set, by operating device 6, send instruction to calorifier 4, make calorifier 4 by air heating to 50 ℃, and by guide duct 17, hot gas flow is circulated between calorifier 4 and modification storehouse 3, continue approximately 2 minutes, the interior temperature in modification storehouse 3 moves closer to and reaches 50 ℃;
S3, by operating device 6, send instructions to 4 transmitting gears 14, transmitting gear 14 is synchronously started, drive modification storehouse 3 unitary rotation, lasting approximately 5 seconds;
S4, by operating device 6, send instructions to properties-correcting agent shower nozzle 13, properties-correcting agent shower nozzle 13 starts to spray surface-modifying agent, and (spray rate is about building stones and enters 0.1% of modification storehouse speed, be per minute 3kg), make the surface-modifying agent of processing through atomization, foaming be full of 3 spaces, whole modification storehouse and inwall; Detector 12 starts to monitor temperature and the properties-correcting agent droplet concentration parameter in modification storehouse 3 simultaneously, and Real-time Feedback is to operating device 6;
S5, send instructions feed gate 7 by operating device 6, control into gate 7 and open, at warehouse for drying 1, through the building stones of drying and processing, through the passage that enters gate 7 and open, start to enter in modification storehouse 3, rate-controlling is 3～5 tons of per minute chargings;
S6, building stones start to enter behind modification storehouse 3 through the forward rotation of 10 seconds, and operating device 6 sends instructions makes it that reverse tractive force is provided to transmitting gear 14, drives modification storehouse 3 integral body to rotate backward; Through after 10 seconds rotate backward, repeat this step; By hocketing 3 forward rotation and rotating backward, building stones are thrown completely, and building stones are fully contacted in the tossed process with falling with the properties-correcting agent of disperse in modification storehouse 3 is comprehensive, building stones and surface-modifying agent mix are to complete uniform state the most at last, and under the effect of hot gas flow, building stones surface forms the properties-correcting agent film of complete densification;
S7, at building stones, enter behind modification storehouse 3, operating device 6 sends instructions to sampling gate 10, controls sampling gate 10 to open among a small circle approximately 4 seconds, and the stone sample through modification is discharged into feeding basin 19 by stripper 18 on a small quantity; Under stone sample, unload in process, 4 pick up cameras 20 are with comprehensive, the photo of instantaneous shooting stone sample with multi-angle, and by picture transmission to operating device 6, by vision directly perceived or software, than comparison film, analyze the properties-correcting agent fraction of coverage parameter on building stones surface, thus assessment building stones surface modification effect; Also can manually to the stone sample in feeding basin 19, analyze if desired, further to assess building stones surface modification effect;
S8, the building stones surface modification effect obtaining according to assessment, if need, adjust parameter, operating device 6 feedback commands are to calorifier 4, properties-correcting agent shower nozzle 13 and transmitting gear 14, respectively gas flow temperature, properties-correcting agent sprinkling amount and modification storehouse velocity of rotation are adjusted, to improve building stones surface modification effect, after adjustment, return to step S6; If without adjusting parameter, directly enter step S9;
S9, after testing confirm that building stones modification is qualified after, by operating device 6, send instructions and provide gate 8, control out gate 8 and open, building stones enter blow tank 5 through the passage that goes out gate 8 and open, and are transferred toward next process;
S10, at the qualified building stones of surface modification treatment when blow tank 5 is discharged, operating device 6 sends instructions and feeds gate 7, controls into gate 7 and opens, repeating step S5, to step S9, carries out the surface modification treatment of follow-up building stones.
In sum, the system of improving building stones surface property of the present utility model can realize when the surface-modifying agent after the processing such as atomization, foaming and building stones are carried out to even mix, monitoring of environmental temperature and properties-correcting agent droplet concentration, immediately the building stones after modification are sampled, real-time assessment building stones surface modification effect, according to modified effect, adjust again the parameters such as stirring velocity, temperature, properties-correcting agent sprinkling amount, to reach the object that substantially improves building stones surface property under the continuous prerequisite of carrying of building stones not affecting, meet the needs that large-scale engineering is built.
The above; it is only the utility model patent preferred embodiment; but the protection domain of the utility model patent is not limited to this; such as the angle of inclination of rib, can be 30 °, 60 ° etc.; anyly be familiar with those skilled in the art in the disclosed scope of the utility model patent; according to the technical scheme of the utility model patent and utility model design thereof, be equal to replacement or changed, all being belonged to the protection domain of the utility model patent.
Claims (9)
1. a building stones surface property improves system, it is characterized in that: comprise warehouse for drying, storage storehouse, modification storehouse, calorifier, blow tank, building stones sampling unit and operating device, described modification storehouse is micro-single shaft Horizontal stirring cylinder 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, described modification is fixed with a main shaft in storehouse, on described main shaft, be distributed with detector and properties-correcting agent shower nozzle, on the outer wall in described modification storehouse, be provided with for driving the transmitting gear of modification storehouse unitary rotation; Described warehouse for drying is connected with modification storehouse by entering gate, described blow tank is connected with modification storehouse by going out gate, described calorifier is connected with two air ports in modification storehouse respectively by two guide ducts, described storage storehouse is used for storing through pretreated surface-modifying agent, and be connected with properties-correcting agent shower nozzle by conduit, described building stones sampling unit is connected with modification storehouse by sampling gate; Described operating device respectively with calorifier, enter gate, go out gate, sampling gate, detector, properties-correcting agent shower nozzle, transmitting gear be connected with building stones sampling unit.
2. a kind of building stones surface property according to claim 1 improves system, it is characterized in that: described building stones sampling unit comprises stripper, feeding basin and pick up camera, described stripper is connected with modification storehouse by sampling gate, described feeding basin is positioned at stripper below, described pick up camera is arranged between stripper and feeding basin, and is connected with operating device.
3. a kind of building stones surface property according to claim 2 improves system, it is characterized in that: described pick up camera has some, and described some pick up cameras are arranged between stripper and feeding basin with a plurality of angles.
4. a kind of building stones surface property according to claim 1 improves system, it is characterized in that: described detector has several, and described several detectors along main shaft evenly and be intervally arranged; Detector includes hygrosensor and droplet concentration detector.
5. a kind of building stones surface property according to claim 1 improves system, it is characterized in that: described properties-correcting agent shower nozzle is divided into some groups, along main shaft longitudinally evenly and be intervally arranged, and every group of properties-correcting agent shower nozzle has a plurality of along spindle collar to symmetrical properties-correcting agent shower nozzle described some groups of properties-correcting agent shower nozzles; Properties-correcting agent shower nozzle includes atomizer and foaming shower nozzle.
6. a kind of building stones surface property according to claim 1 improves system, it is characterized in that: on the inwall in described modification storehouse evenly and compartment of terrain be distributed with the rib of inclination certain angle.
7. a kind of building stones surface property according to claim 6 improves system, it is characterized in that: the range of tilt angles of described rib is 30 °～60 °.
8. a kind of building stones surface property according to claim 1 improves system, it is characterized in that: described transmitting gear has several, and the outer wall in described several transmitting gears and modification storehouse fits tightly.
9. a kind of building stones surface property according to claim 2 improves system, it is characterized in that: described operating device is computer, its by data line respectively with calorifier, enter gate, go out gate, sampling gate, detector, properties-correcting agent shower nozzle, transmitting gear be connected with pick up camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420347782.1U CN203976636U (en) | 2014-06-26 | 2014-06-26 | A kind of building stones surface property improves system |
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| CN201420347782.1U CN203976636U (en) | 2014-06-26 | 2014-06-26 | A kind of building stones surface property improves system |
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| CN203976636U true CN203976636U (en) | 2014-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086219A (en) * | 2014-06-26 | 2014-10-08 | 华南理工大学 | Stone surface performance improvement system and stone surface performance improvement method |
-
2014
- 2014-06-26 CN CN201420347782.1U patent/CN203976636U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086219A (en) * | 2014-06-26 | 2014-10-08 | 华南理工大学 | Stone surface performance improvement system and stone surface performance improvement method |
| CN104086219B (en) * | 2014-06-26 | 2016-05-04 | 华南理工大学 | A kind of building stones surface property improves system and method |
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