CN104141273A - Building stone surface modification foaming device for pitch mixing building and control method - Google Patents
Building stone surface modification foaming device for pitch mixing building and control method Download PDFInfo
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- CN104141273A CN104141273A CN201410351561.6A CN201410351561A CN104141273A CN 104141273 A CN104141273 A CN 104141273A CN 201410351561 A CN201410351561 A CN 201410351561A CN 104141273 A CN104141273 A CN 104141273A
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Abstract
The invention discloses a building stone surface modification foaming device for a pitch mixing building and a control method. The device comprises a foaming control system, a building stone modifying agent supply system, a compressed air supply system, a foaming accelerant supply system and a main foaming room. The building stone modifying agent supply system, the compressed air supply system, the foaming accelerant supply system and the main foaming room are respectively connected with the foaming control system. The main foaming room is respectively connected with the building stone modifying agent supply system, the compressed air supply system and the foaming accelerant supply system through conveying pipelines. The main foaming room is communicated with a metering stirring system. The building stone surface modification foaming device further comprises an auxiliary foaming room. According to the method, the main and auxiliary foaming rooms respectively conduct foaming on a building stone modifying agent and conduct surface modification on building stone through control over the foaming control system. According to the building stone surface modification foaming device, the specific surface area of the building stone modifying agent can be increased, the building stone modifying agent can be sufficiently and evenly dispersed on the surface of the building stone, and the building stone surface performance is improved, so that the pavement performance of the building stone is improved, and resources are saved.
Description
Technical field
The present invention relates to road pavement material production device research field, particularly a kind of building stones surface modification foam device and control method for asphalt mixing building.
Background technology
On current road pavement material is selected, for the building stones of highway construction, must meet multinomial material property requirement.Yet, 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 to remove the farther complete satisfactory building stones of place buying.Caused building stones price high, haul distance increases, and causes the building stones of some type are depended on unduly and exploited.This has not only increased construction cost, and because exhaustive exploitation 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 designing requirement of corresponding flexible pavement surface course raw material, can limit to some extent in actual applications, and cannot realize the highway construction principle of gathering materials on the spot.In certain areas, can meet the high-quality alkalescence top layer building stones resource of flexible pavement instructions for use 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 anti-strip measure to make pitch and acid stone tight adhesion.Traditional anti-strip 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 bituminous mixture 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 bituminous mixture comprehensively, also can reduce modified bitumen production link, there is great use value.
Summary of the invention
Main purpose of the present invention is that the shortcoming that overcomes prior art is with not enough, a kind of building stones surface modification foam device for asphalt mixing building is provided, this device can foam building stones modifier, increase specific area, make it be dispersed in sufficiently uniformly building stones surface, to building stones modifying surface, thereby improve building stones surface property, improve the integral working of bituminous mixture comprehensively.
Another object of the present invention is to provide a kind of control method based on the above-mentioned building stones surface modification foam device for asphalt mixing building, this control method can regulate the consumption of building stones modifier, foamed promoter and air in real time, have advantages of simple to operate, control accuracy is high.
Object of the present invention realizes by following technical scheme: a kind of building stones surface modification foam device for asphalt mixing building, and described asphalt mixing building comprises drying system, hot aggregate lifting system, vibrosieve, hot aggregate storing storehouse, metering stirring system, asphalt feeding system and powder supplying system; Described foam device comprises foaming control system and the building stones modifier feed system, compressed-air supply system, foamed promoter feed system, the main foaming chamber that are connected with this foaming control system respectively, and described main foaming chamber is connected with building stones modifier feed system, compressed-air supply system, foamed promoter feed system respectively by transfer pipeline; Main foaming chamber communicates with metering stirring system.The present invention foams to building stones modifier by main foaming chamber, increases specific area, has further improved building stones surface property.
Preferably, described foam device also comprises secondary foaming chamber, secondary foaming chamber is connected with foaming control system, and described main foaming chamber is connected with building stones modifier feed system, compressed-air supply system, foamed promoter feed system respectively by different transfer pipelines with secondary foaming chamber; Between drying system and hot aggregate lifting system, be provided with foam storehouse, secondary foaming chamber is connected with foam storehouse.The secondary foaming chamber building stones modifier that foams in foam storehouse carries out surface modification to hot aggregate, is supplementary means, and main foaming chamber foams in metering stirring system, and hot aggregate is carried out to surface modification is Main Means to building stones modifier.
Concrete, described building stones modifier feed system comprises building stones modifier holding vessel, building stones modifier flow meter, building stones modifier delivery pump and the first electrically operated valve, and described building stones modifier delivery pump and the first electrically operated valve are electrically connected to foaming control system respectively.
Further, described building stones modifier feed system also comprises attemperating unit, is located in building stones modifier holding vessel, is electrically connected to foaming control system.Thereby can realize, the material in building stones modifier holding vessel is carried out to temperature control.
Concrete, described compressed-air supply system comprises air compressor, gas flowmeter and the second electrically operated valve, described the second electrically operated valve is electrically connected to foaming control system.
Concrete, described foamed promoter feed system comprises liquid storing barrel, fluid flowmeter, liquor pump and the 3rd electrically operated valve, described liquor pump and the 3rd electrically operated valve are electrically connected to foaming control system respectively.
Concrete, described main foaming chamber, secondary foaming chamber are equipped with effervescent nozzle and expanding chamber, described expanding chamber is connected with compressed-air supply system by gas transfer pipeline, by liquid transmission pipeline, be connected with foamed promoter feed system, by building stones modifier transfer pipeline, be connected with building stones modifier feed system; Meanwhile, expanding chamber is also connected with effervescent nozzle.By adopting effervescent nozzle can make building stones modifier volume expand rapidly, form foam group, and foamed thin sheet thickness can reach micron order.
Preferably, described secondary foaming chamber is distributed in the surrounding in foam storehouse, and main foaming chamber is distributed in the surrounding of metering stirring system.Thereby can realize multi-direction foaming simultaneously.Make building stones modifier be dispersed in more sufficiently uniformly building stones surface.
A control method based on the above-mentioned building stones surface modification foam device for asphalt mixing building, comprises step:
(1) open foaming control system, the cold aggregate of controlling in cold aggregate bin enters into drying system, and dried hot aggregate enters hot aggregate lifting system behind foam storehouse;
(2) hot aggregate lifting system rises to vibrosieve place by hot aggregate and sieves processing, and the hot aggregate having sieved enters into hot aggregate storing storehouse;
(3) by foaming control system, control main foaming chamber and start working, then hot aggregate enters metering stirring system from hot aggregate storing storehouse;
(4) main foaming chamber quits work, and asphalt feeding system and powder supplying system add pitch and powder respectively in metering stirring system, and the hot aggregate of surface modification is combined with powder and pitch, and constantly stirs;
(5) bituminous mixture of making directly drops on the hopper or truck of metering stirring system below.
Preferably, in described step (1), dried hot aggregate is before entering foam storehouse, and foaming control system is controlled secondary foaming chamber work, and controls hot aggregate stop certain hour in foam storehouse.Like this, when hot aggregate enters into foam storehouse, in storehouse, be full of foaming building stones modifier, thereby reach before hot aggregate enters hot aggregate lifting system, first through foam, rolled into a ball the object of also preliminary modification.
Preferably, in described step (2), the hot aggregate having sieved enters into hot aggregate storing storehouse according to different particle diameters.
Further, in described step (3), hot aggregate enters metering stirring system according to certain match ratio from hot aggregate storing storehouse according to particle size.Mix any concrete (comprising bituminous concrete) and all must to control the consumption of various materials, meet the various aspects of performance requirements such as concrete intensity according to certain match ratio, in most economical situation, be issued to best effect.So must meet match ratio.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1, apparatus of the present invention can combine with asphalt mixing building, by the foaming of building stones modifier, increase specific area, make it be dispersed in sufficiently uniformly building stones surface, to building stones modifying surface, thereby improve building stones surface property, improve the integral working of bituminous mixture comprehensively.
2, in apparatus of the present invention, be provided with main foaming chamber and secondary foaming chamber, secondary foaming chamber can be first through foam group preliminary modification before entering hot aggregate lifting system, thereby through twice foaming, make building stones modifier can be dispersed in more sufficiently uniformly building stones surface.
Accompanying drawing explanation
Fig. 1 is the annexation schematic diagram of apparatus of the present invention.
In figure: 1-building stones modifier holding vessel; 2-air compressor; 3-liquid storing barrel; 4-drying drum; 5-foam storehouse; 6-hot aggregate elevator; 7-powder supplying system; 8-vibrosieve; The hot aggregate storing of 9-storehouse; 10-measures stirring system; The main foaming chamber of 11-; 12-effervescent nozzle; 13-bituminous pitch storing tank; The 14-control system that foams; 15-the first electrically operated valve; 16-building stones modifier delivery pump; 17-building stones modifier flow meter; 18-the second electrically operated valve; 19-gas flowmeter; 20-the 3rd electrically operated valve; 21-liquor pump; 22-fluid flowmeter; The secondary foaming chamber of 23-.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, object of the present invention is described in further detail, embodiment can not repeat one by one at this, but therefore embodiments of the present invention are not defined in following examples.Unless stated otherwise, the present invention adopts material and processing method are the art conventional material and processing method.
Embodiment 1
As shown in Figure 1, the present embodiment discloses a kind of building stones surface modification foam device for asphalt mixing building, asphalt mixing building in the present embodiment comprises cold aggregate system, drying system (comprising drying drum 4), hot aggregate lifting system (comprising hot aggregate elevator 6), vibrosieve 8, hot aggregate storing storehouse 9, metering stirring system 10, asphalt feeding system (comprising bituminous pitch storing tank 13) and powder supplying system 7, drying drum 4 is right-hand to join with hot aggregate elevator 6 belows, is provided with foam storehouse 5 between the two; Hot aggregate elevator 6 tops join with vibrosieve 8; Hot aggregate storing storehouse 9 is positioned over vibrosieve 8 belows coupled; Metering stirring system 10 left sides are connected with powder supplying system 7, and right side is connected with bituminous pitch storing tank 13, is positioned over 9 belows, hot aggregate storing storehouse.
The present embodiment foam device comprises foaming control system 14 and the building stones modifier feed system, compressed-air supply system, foamed promoter feed system, main foaming chamber 11, the secondary foaming chamber 23 that are connected with this foaming control system 14 respectively.Main foaming chamber 11 is connected with building stones modifier feed system, compressed-air supply system, foamed promoter feed system respectively by different transfer pipelines with secondary foaming chamber 23; Between drying system and hot aggregate lifting system, be provided with foam storehouse 5, secondary foaming chamber 23 is connected with foam storehouse 5.Main foaming chamber 11 communicates with metering stirring system 10.
For building stones modifier feed system, on building stones modifier transfer pipeline, by building stones modifier holding vessel 1, to main foaming chamber 11 and 23 of secondary foaming chamber, be provided with successively building stones modifier flow meter 17, building stones modifier delivery pump 16 and the first electrically operated valve 15.Stating building stones modifier delivery pump 16 and the first electrically operated valve 15 is electrically connected to foaming control system 14 respectively.Building stones modifier feed system also comprises attemperating unit, is located in building stones modifier holding vessel 1, is electrically connected to foaming control system 14.
For compressed-air supply system, on appendix, by air compressor 2, to main foaming chamber 11 and 23 of secondary foaming chamber, be provided with successively gas flowmeter 19 and the second electrically operated valve 18.The second electrically operated valve 18 is electrically connected to foaming control system 14.
For foamed promoter feed system, on woven hose, by liquid storing barrel 3, to main foaming chamber 11 and 23 of secondary foaming chamber, be provided with successively fluid flowmeter 22, liquor pump 21 and the 3rd electrically operated valve 20; Liquor pump 21 and the 3rd electrically operated valve 20 are electrically connected to foaming control system 14 respectively.
Described main foaming chamber 11, secondary foaming chamber 23 are equipped with effervescent nozzle 12 and expanding chamber, and expanding chamber is connected with gas transfer pipeline, liquid transmission pipeline and building stones modifier transfer pipeline, and expanding chamber is connected with effervescent nozzle 12 simultaneously.The surrounding in foam storehouse 5 arranges respectively a secondary foaming chamber 23, and the surrounding of metering stirring system 10 arranges respectively a main foaming chamber 11.Thereby can realize multi-direction foaming simultaneously.
In the present embodiment, for the control method of the building stones surface modification foam device in asphalt mixing building, specifically comprise the following steps:
Step 1: open foaming control system 14, make cold aggregate in cold aggregate bin enter into drying drum 4 and be dried, then enter hot aggregate elevator 6 through foam storehouse 5.At hot aggregate, enter first 2 seconds of foam storehouse 5, by foaming control system 14, the secondary foaming chamber 23 in foam storehouse 5 foam in advance, when hot aggregate enters into foam storehouse 5, in storehouse, be full of the building stones modifier that foams; According to 3 tons of building stones of the each stirring of stirring system, calculate, building stones modifier consumption is about 0.1% of building stones consumption, be 3kg, wherein secondary foaming chamber 23 consumptions are total consumption 40%, be 1.2kg, hot aggregate, the interior stop in foam storehouse 5 approximately 4 seconds, reaches before hot aggregate enters elevator and must first through foam, roll into a ball the object of also preliminary modification.Overall process is controlled timing by the control system 14 that foams.
Step 2: hot aggregate elevator 6 rises to vibrosieve 8 places by hot aggregate and sieves processing, and the hot aggregate having sieved enters into hot aggregate storing storehouse 9 according to different particle diameters.
Step 3: 9 preparations enter metering stirring system 10, each 3 tons to the hot aggregate of the preliminary surface modification of process from hot aggregate storing storehouse according to certain match ratio; By the control of foaming control system 14, at hot aggregate, enter metering first 2 seconds of stirring system 10, main foaming chamber 11 is foamed in advance, when hot aggregate enters into metering stirring system 10, in stir storehouse, be full of foaming building stones modifier, the building stones modifier consumption of main foaming chamber 11 is total consumption 60%, i.e. 1.8kg; Hot aggregate is 6 seconds in the mixing time of metering stirring system 10; Overall process is controlled timing by the control system 14 that foams.
Step 4: by the control of foaming control system 14, trigger the switch of bituminous pitch storing tank 13 and powder supplying system 7, and using this triggering signal as the out-of-work signal of main foaming chamber 11, the hot aggregate of surface modification is combined with powder and pitch in metering stirring system 10, and stirs 30-45 second.
Step 5: after the hot aggregate of surface modification is combined with powder, pitch, form bituminous mixture after fully stirring, directly drop on the hopper or truck of metering stirring system 10 belows.
In described step 1, secondary foaming chamber 23 is carried out surface modification at foam storehouse 5 interior foaming building stones modifier to hot aggregate, be only supplementary means, in step 3, main foaming chamber 11 is carried out surface modification at metering stirring system 10 interior foaming building stones modifier to hot aggregate and is only Main Means.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (10)
1. for the building stones surface modification foam device in asphalt mixing building, described asphalt mixing building comprises drying system, hot aggregate lifting system, vibrosieve, hot aggregate storing storehouse, metering stirring system, asphalt feeding system and powder supplying system; It is characterized in that, described foam device comprises foaming control system and the building stones modifier feed system, compressed-air supply system, foamed promoter feed system, the main foaming chamber that are connected with this foaming control system respectively, and described main foaming chamber is connected with building stones modifier feed system, compressed-air supply system, foamed promoter feed system respectively by transfer pipeline; Main foaming chamber communicates with metering stirring system.
2. the building stones surface modification foam device for asphalt mixing building according to claim 1, it is characterized in that, described foam device also comprises secondary foaming chamber, secondary foaming chamber is connected with foaming control system, and described main foaming chamber is connected with building stones modifier feed system, compressed-air supply system, foamed promoter feed system respectively by different transfer pipelines with secondary foaming chamber; Between drying system and hot aggregate lifting system, be provided with foam storehouse, secondary foaming chamber is connected with foam storehouse.
3. the building stones surface modification foam device for asphalt mixing building according to claim 1, it is characterized in that, described building stones modifier feed system comprises building stones modifier holding vessel, building stones modifier flow meter, building stones modifier delivery pump and the first electrically operated valve, and described building stones modifier delivery pump and the first electrically operated valve are electrically connected to foaming control system respectively.
4. the building stones surface modification foam device for asphalt mixing building according to claim 3, is characterized in that, described building stones modifier feed system also comprises attemperating unit, is located in building stones modifier holding vessel, is electrically connected to foaming control system.
5. the building stones surface modification foam device for asphalt mixing building according to claim 1, it is characterized in that, described compressed-air supply system comprises air compressor, gas flowmeter and the second electrically operated valve, and described the second electrically operated valve is electrically connected to foaming control system.
6. the building stones surface modification foam device for asphalt mixing building according to claim 1, it is characterized in that, described foamed promoter feed system comprises liquid storing barrel, fluid flowmeter, liquor pump and the 3rd electrically operated valve, and described liquor pump and the 3rd electrically operated valve are electrically connected to foaming control system respectively.
7. the building stones surface modification foam device for asphalt mixing building according to claim 1, it is characterized in that, described main foaming chamber, secondary foaming chamber are equipped with effervescent nozzle and expanding chamber, described expanding chamber is connected with compressed-air supply system by gas transfer pipeline, by liquid transmission pipeline, be connected with foamed promoter feed system, by building stones modifier transfer pipeline, be connected with building stones modifier feed system; Meanwhile, expanding chamber is also connected with effervescent nozzle;
Described secondary foaming chamber is distributed in the surrounding in foam storehouse, and main foaming chamber is distributed in the surrounding of metering stirring system.
8. a control method for the building stones surface modification foam device for asphalt mixing building based on described in claim 1-7 any one, is characterized in that, comprises step:
(1) open foaming control system, the cold aggregate of controlling in cold aggregate bin enters into drying system, and dried hot aggregate enters hot aggregate lifting system behind foam storehouse;
(2) hot aggregate lifting system rises to vibrosieve place by hot aggregate and sieves processing, and the hot aggregate having sieved enters into hot aggregate storing storehouse;
(3) by foaming control system, control main foaming chamber and start working, then hot aggregate enters metering stirring system from hot aggregate storing storehouse;
(4) main foaming chamber quits work, and asphalt feeding system and powder supplying system add pitch and powder respectively in metering stirring system, and the hot aggregate of surface modification is combined with powder and pitch, and constantly stirs;
(5) bituminous mixture of making directly drops on the hopper or truck of metering stirring system below.
9. control method according to claim 8, is characterized in that, in described step (1), dried hot aggregate is before entering foam storehouse, and foaming control system is controlled secondary foaming chamber work, and controls hot aggregate stop certain hour in foam storehouse.
10. control method according to claim 8, is characterized in that, in described step (2), the hot aggregate having sieved enters into hot aggregate storing storehouse according to different particle diameters;
In described step (3), hot aggregate enters metering stirring system according to certain match ratio from hot aggregate storing storehouse according to particle size.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410351561.6A CN104141273B (en) | 2014-07-22 | 2014-07-22 | A kind of building stones surface modification foam device and control method for asphalt mixing building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410351561.6A CN104141273B (en) | 2014-07-22 | 2014-07-22 | A kind of building stones surface modification foam device and control method for asphalt mixing building |
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| CN104141273A true CN104141273A (en) | 2014-11-12 |
| CN104141273B CN104141273B (en) | 2016-05-04 |
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| CN201410351561.6A Active CN104141273B (en) | 2014-07-22 | 2014-07-22 | A kind of building stones surface modification foam device and control method for asphalt mixing building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| JPH0430007A (en) * | 1990-05-23 | 1992-02-03 | Nikko Co Ltd | Stuck object removing method of drier for regenerating asphalt pavement waste material |
| CN102425093A (en) * | 2011-12-07 | 2012-04-25 | 广东省长大公路工程有限公司 | Cold plant-mixed regenerated asphalt foaming device |
| CN202337939U (en) * | 2011-12-12 | 2012-07-18 | 长安大学 | Asphalt air-atomizing and filling device of stirring equipment |
| CN102587257A (en) * | 2012-03-11 | 2012-07-18 | 彭淑琴 | Foamed asphalt preparer and full automatic foamed asphalt preparation device |
| CN204059152U (en) * | 2014-07-22 | 2014-12-31 | 华南理工大学 | A kind of stone surface modified foaming device for asphalt mixing building |
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2014
- 2014-07-22 CN CN201410351561.6A patent/CN104141273B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0430007A (en) * | 1990-05-23 | 1992-02-03 | Nikko Co Ltd | Stuck object removing method of drier for regenerating asphalt pavement waste material |
| CN102425093A (en) * | 2011-12-07 | 2012-04-25 | 广东省长大公路工程有限公司 | Cold plant-mixed regenerated asphalt foaming device |
| CN202337939U (en) * | 2011-12-12 | 2012-07-18 | 长安大学 | Asphalt air-atomizing and filling device of stirring equipment |
| CN102587257A (en) * | 2012-03-11 | 2012-07-18 | 彭淑琴 | Foamed asphalt preparer and full automatic foamed asphalt preparation device |
| CN204059152U (en) * | 2014-07-22 | 2014-12-31 | 华南理工大学 | A kind of stone surface modified foaming device for asphalt mixing building |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN104141273B (en) | 2016-05-04 |
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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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Denomination of invention: Building stone surface modification foaming device for pitch mixing building and control method Effective date of registration: 20200119 Granted publication date: 20160504 Pledgee: Bank of China Limited by Share Ltd Shunde branch Pledgor: GUANGDONG GT-TECH ROAD MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980000149 |