CN203546561U - High-uniformity foam asphalt generating device - Google Patents
High-uniformity foam asphalt generating device Download PDFInfo
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- CN203546561U CN203546561U CN201320559936.9U CN201320559936U CN203546561U CN 203546561 U CN203546561 U CN 203546561U CN 201320559936 U CN201320559936 U CN 201320559936U CN 203546561 U CN203546561 U CN 203546561U
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Abstract
The utility model relates to a high-uniformity foam asphalt generating device. The high-uniformity foam asphalt generating device comprises an asphalt guide plate (1), an asphalt foaming cavity (2), a nozzle joint (3), an anti-reflux nozzle (4), a tee joint (5), a heat conducting oil outlet (6), an asphalt foam homogenizing plate (7), a spiral stirring mechanism (8), a foam asphalt sampling tube (9), a sampling solenoid valve (10) and a heat conducting oil inlet (11).
Description
Technical field
The utility model relates to a kind of foam asphalt generation apparatus, particularly high, the foam good uniformity of a kind of efficiency that foams, can automatically clean and the foam asphalt generation apparatus of sampling automatically.
Background technology
At present, conventional hot-mix asphalt mixture exists in producing ageing of asphalt is serious, energy consumption large, pernicious gas and Asphalt Smoke Emission is many, construction temperature requires the problems such as height to become increasingly conspicuous.Foamed asphalt warm mix technology is as a kind of newer technology, because it has the advantages such as energy-saving and emission-reduction, environmental protection, use cost are low, is subject in recent years extensive concern.The most Introduced From Abroad products of domestic used foamed asphalt production equipment, mainly by two kinds of structures: many Asphalt-distributing spray heads of being controlled by cylinder and single asphalt foaming pipe, the former is applicable to continuous asphalt agitator, and the latter is applicable to force batch (-type) bituminous mixing plant.Although the structure of single asphalt foaming pipe is existing application at present, has following problem: as water filling port, the penetration power of water is poor mainly with straight steel pipe, water cannot fully mix with pitch, causes foaming effect poor; After asphalt foaming, cannot fully stir, cause foamed asphalt inhomogeneous, affect mixture performance; Non-foam pitch sample tap, causes foamed asphalt sampling difficulty, is difficult to realize the check to foamed asphalt index of correlation.
Accordingly, study the foam asphalt generation apparatus that a kind of efficiency that foams is high, possess static agitation function, energy automated cleaning, energy real time sample, seeming in the art necessary.
Summary of the invention
The utility model for the uniform in foaming that solves prior art and exist is poor, (operating) water nozzle easily stops up, cannot real time sample etc. problem, and providing a kind of foaming effect foamed asphalt production system good, Real-time Collection foamed asphalt automatically, this system can fast seamless link batch asphalt mixing.
The technical scheme that the utility model adopts is:
A kind of high uniformity foam asphalt generation apparatus, comprise pitch deflector 1, asphalt foaming chamber 2, nozzle connection 3, counterflow-preventing nozzle 4, tee junction 5, conduction oil outlet 6, pitch bubble homogenizing plate 7, screw mixer structure 8, foamed asphalt probe tube 9, sampling electromagnetic valve 10, conduction oil entrance 11, it is characterized in that pitch deflector 1 is arranged on 2 entrance, asphalt foaming chamber, nozzle connection 3 one end are fixedly connected on 2 surfaces, asphalt foaming chamber, and be communicated with asphalt foaming chamber, putting adverse current nozzle 4 is fixedly connected with nozzle street corner 3, tee junction 5 is arranged on counterflow-preventing nozzle 4 entrance, pitch bubble homogenizing plate 7 is vertical with asphalt foaming chamber 2 wall bodies, outer rim and asphalt foaming chamber 2 inner wall sealings of pitch bubble homogenizing plate 7, pitch homogenizing plate 7 internal faces are fixedly connected on screw mixer structure 8 one end, the other end of screw mixer structure 8 is fixed on the other end in asphalt foaming chamber 2, described screw mixer structure 8 is arranged on the inside in asphalt foaming chamber 2, foamed asphalt probe tube 9 one end are welded on 2 surfaces, asphalt foaming chamber and are communicated with foam chamber 2, sampling electromagnetic valve 10 is arranged on the pipeline of probe tube 9 near foam chamber, conduction oil outlet 6 be arranged on be socketed in 2 outsides, asphalt foaming chamber cavity near near 2 entrances of asphalt foaming chamber, conduction oil entrance 11 be arranged on be socketed in 2 outsides, asphalt foaming chamber cavity near near 2 outlets of asphalt foaming chamber.
Further, described pitch deflector 1 is circular, and thickness is greater than 20mm, its diameter is identical with pitch bore, 2-3 pod apertures is evenly set on it, and the cross section of described pod apertures can be circular, ellipse and square, and pod apertures can be column through hole or truncated cone-shaped through hole.
Further, described nozzle connection 3 is internal thread column cylinder, and the inner chamber of itself and asphalt foaming chamber link has concave station, forms the space being communicated with asphalt foaming chamber 2 after counterflow-preventing nozzle is installed on it.
Further, the circular steel plate that described pitch bubble homogenizing plate 7 is 10～15mm for thickness, its surface arranges some for the larger asphalt foam of volume is broken up to the aperture of homogenizing, and the shape in hole can be circular or square.
Further, described probe tube 9 will approach with pitch outlet as far as possible, but can not interfere with end helical blade wall, and probe tube 9 can level be installed.
Further, described sampling electromagnetic valve 10 adopts the mode being threaded to be arranged on the horizontal pipeline of probe tube 9 near foam chamber, and sampling electromagnetic valve 10 downstreams arrange VERTICAL TUBE.
Further, described counterflow-preventing nozzle 4 is arranged on pitch deflector downstream pitch and produces the starting point refluxing.
Further, described counterflow-preventing nozzle 4 comprises that top cover 41, regulating spring 42, outer fixed cover 43, spool 44, inlet attack 45, nozzle connect main body 46, sealing ring 47, and counterflow-preventing nozzle 4 connects main body 44 by nozzle and is connected with nozzle connection 3.In the inner chamber of nozzle connection main body 46, spool 44 is set vertically, inlet attack 45 is connected the axis of main body 46 with nozzle vertical and be communicated with its inner chamber, the segment axis center that nozzle connection main body 46 stretches into nozzle connection 3 has through hole, nozzle connects main body 46 and adopts sealing ring 47 sealings with the contact surface of nozzle connection 3, the other end of spool 44 leans by packing ring and regulating spring 42, regulating spring 42 other ends are against top cover 41 inner end wall, and top cover 41 is fixed on and is connected in main body 44 by the screw thread on outer fixed cover 43.
Further, on described asphalt foaming chamber along the circumferential direction uniform welding several 1～4 for the joint of counterflow-preventing nozzle is installed.
Further, described static agitation mechanism 8 is welded to form by several identical helical blades, and all helical blades are all coaxial, and two adjacent helical blades are mutually vertical, and 90 ° of phase phasic differences.
accompanying drawing explanation
Fig. 1 is high uniformity foam asphalt generation apparatus schematic diagram.
Fig. 2 is that the A of high uniformity foam asphalt generation apparatus of Fig. 1 is to view.
Fig. 3 is that the B of high uniformity foam asphalt generation apparatus of Fig. 1 is to view.
Fig. 4 is that the C of high uniformity foam asphalt generation apparatus of Fig. 1 is to view.
Fig. 5 is counterflow-preventing nozzle schematic diagram.
Fig. 6 is counterflow-preventing nozzle side view
the specific embodiment
Below with reference to the accompanying drawings, the specific embodiment of the present invention is described in detail.
Structure explanation:
Shown in Fig. 1-Fig. 4, a kind of high uniformity foam asphalt generation apparatus, comprise pitch deflector 1, asphalt foaming chamber 2, nozzle connection 3, counterflow-preventing nozzle 4, tee junction 5, conduction oil outlet 6, pitch bubble homogenizing plate 7, screw mixer structure 8, helical blade 81, installing plate 82, foamed asphalt probe tube 9, sampling electromagnetic valve 10, conduction oil entrance 11, eddy region 12, further, pitch deflector 1 is circular, its thickness is greater than 20mm, its diameter is identical with pitch bore, the cross section of the pod apertures of the 2-3 on it can be circular, ellipse and square, pod apertures can be column through hole or truncated cone-shaped through hole, by being set, pod apertures make pitch in deflector rear end, produce negative pressure region, pitch is produced to reflux, form eddy current, by being provided with the truncated cone-shaped hole of gradient, impel pitch to form the gesture of injection, further strengthen eddy current, and then greatly promote mixing of pitch and water.Pitch deflector 1 is arranged on 2 entrance, asphalt foaming chamber, nozzle connection 3 one end are fixedly connected on 2 surfaces, asphalt foaming chamber, and be communicated with asphalt foaming chamber, fixed form can adopt welding, nozzle connection 3 is internal thread column cylinder, the inner chamber of itself and asphalt foaming chamber link has concave station, after being installed on it, counterflow-preventing nozzle forms the space being communicated with asphalt foaming chamber 2, 4 outlets of counterflow-preventing nozzle are threaded connection with nozzle connection 3, tee junction 5 is arranged on counterflow-preventing nozzle 4 entrance, counterflow-preventing nozzle is arranged on pitch deflector downstream pitch and produces the starting point refluxing.The circular steel plate that pitch bubble homogenizing plate 7 is 10～15mm for thickness, its surface arranges some for the larger asphalt foam of volume is broken up to the aperture of homogenizing, the shape in hole can be circular or square, pitch bubble homogenizing plate 7 is vertical with asphalt foaming chamber 2 wall bodies, outer rim and the sealing of asphalt foaming cavity wall of pitch bubble homogenizing plate 7, pitch homogenizing plate 7 inwalls can adopt the mode of welding to be fixed on screw mixer structure 8 one end, the other end of screw mixer structure 8 is fixed on 2 inside, asphalt foaming chamber by installing plate 82, and installing plate 82 is fixed on the other end in asphalt foaming chamber 2.After pitch bubble homogenizing plate and static agitation Mechanism Combination, from the port of export in asphalt foaming chamber, pack in foam chamber the upstream of pitch homogenizing plate in static agitation mechanism into.Foamed asphalt probe tube 9 one end are welded on 2 surfaces, asphalt foaming chamber and are communicated with foam chamber 2, the most approaching by guaranteeing institute's collection foamed asphalt performance and entering the foamed asphalt of agitator, probe tube 9 will approach with pitch outlet as far as possible, and can not interfere with end helical blade wall, for preventing that probe tube from stopping up because of asphalt solidification, probe tube 9 level of answering is installed, sampling electromagnetic valve 10 adopts the mode being threaded to be arranged on the horizontal pipeline of probe tube 9 near foam chamber, sampling electromagnetic valve 10 downstreams should arrange VERTICAL TUBE, make heated bitumen go out mouth down, to facilitate, sample and prevent to spray to hurt sb.'s feelings.
With reference to Fig. 5, shown in Fig. 6, counterflow-preventing nozzle 4 comprises that top cover 41, regulating spring 42, outer fixed cover 43, spool 44, inlet attack 45, nozzle connect main body 46, sealing ring 47, further, counterflow-preventing (operating) water nozzle 4 connects main body 44 by nozzle and is connected with nozzle connection 3.In the inner chamber of nozzle connection main body 46, spool 44 is set vertically, inlet attack 45 is connected the axis of main body 46 with nozzle vertical and be communicated with its inner chamber, the segment axis center that nozzle connection main body 46 stretches into nozzle connection 3 has through hole, nozzle connects main body 46 and adopts sealing ring 47 sealings with the contact surface of nozzle connection 3, the other end of spool 44 leans by packing ring and regulating spring 42, regulating spring 42 other ends are against top cover 41 inner end wall, and top cover 41 is fixed on and is connected in main body 44 by the screw thread on outer fixed cover 43.
Counterflow-preventing nozzle is also connected with air supply system with water system by tee junction and one way valve simultaneously, and water system and air supply system can independently be opened, and also can open simultaneously.
The mode that is fixedly connected with in the application can be to be threaded, and can be also mechanical grip, is threaded fixing if adopt, need be at pitch water conservancy diversion orifice plate, helical blade fixed head and flange endoporus machining internal thread; If adopt mechanical grip to fix, only need pitch water conservancy diversion orifice plate and helical blade fixed head to be positioned between two flanges, by banjo clip, fasten.The asphalt foaming pipe port of export arranges foamed asphalt sample tap, adopts the automatic unlatching of solenoid control sample tap and automatically closes, and realizes foamed asphalt real time sample is detected.
Implementation process explanation:
Shown in Fig. 1-Fig. 4, high uniformity foam asphalt generation apparatus implementation process is: the hard pitch pitch deflector 1 of flowing through enters asphalt foaming chamber 2, is subject to the impact of the pod apertures on deflector 1, and deflector 1 rear end forms negative pressure, impel pitch to reflux and fill negative pressure region, and then form eddy current, water under high pressure is ejected in foam chamber by counterflow-preventing nozzle 4, and because spray site produces the starting point refluxing at pitch, therefore, water is brought into eddy region 12 by pitch, in eddy current, with the abundant hybrid concurrency bubble of pitch, completes preliminary mixing, the asphalt foam that after foaming, size does not wait is flowed through after pitch bubble homogenizing plate 7, by the aperture being uniformly distributed on pitch bubble homogenizing plate 7 and diameter is identical, is disperseed all to turn to the asphalt foam that size is close, completes secondary and mixes, subsequently, foamed asphalt enters stirring region, and the screw mixer structure 8 of flowing through, by more than 81 cutting of helical blade, rotation and mixing again, completes triple mixing, forms the foamed asphalt of high uniformity, for the production of bituminous mixture, when needs gather foamed asphalt and carry out related check, sampling electromagnetic valve 10 is opened, after sampling finishes, close sampling electromagnetic valve 10, the foamed asphalt gathering is for laboratory test, detect and analyze foamed asphalt property indices, for the adjustment of foamed asphalt manufacturing parameter provides foundation, the performance of guaranteeing produced foamed asphalt compound meets road with requiring, described sampling method has solved existing equipment cannot be from the problem of foaming tube direct sample, relatively conventional employing container connects the method for foamed asphalt from agitator below, the method has not only realized automated intelligent control, and can effectively prevent pitch waste and the injection of hard pitch large area and cause scalding people's situation.
Shown in Fig. 5-Fig. 6, counterflow-preventing nozzle 4 implementation processes are: high-pressure fluid enters nozzle chamber inside by inlet attack 45, and when fluid pressure is greater than after the elastic force of spring 43, spool 44 is opened, Fluid injection is to foam chamber 2 inside, after fluid stops supplying with, spool 44 is closed nozzle under the promotion of spring 42, prevents that pitch from entering nozzle chamber, further, high-pressure fluid described above can be water under high pressure, pressure-air, and wherein, water under high pressure is for meeting the production of foamed asphalt; Pressure-air purges the pressure of nozzle and foam chamber for realizing, and prevents spray nozzle clogging.
The foregoing is only preferred embodiment of the present invention, be not limited to the present invention, all within principle of the present invention and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a high uniformity foam asphalt generation apparatus, comprise pitch deflector (1), asphalt foaming chamber (2), nozzle connection (3), counterflow-preventing nozzle (4), tee junction (5), conduction oil outlet (6), pitch bubble homogenizing plate (7), screw mixer structure (8), foamed asphalt probe tube (9), sampling electromagnetic valve (10), conduction oil entrance (11), it is characterized in that pitch deflector (1) is arranged on entrance, asphalt foaming chamber (2), nozzle connection (3) one end is welded on surface, asphalt foaming chamber (2), and be communicated with asphalt foaming chamber, counterflow-preventing nozzle (4) is threaded with nozzle connection (3), tee junction (5) is arranged on counterflow-preventing nozzle (4) entrance, pitch bubble homogenizing plate (7) is arranged in asphalt foaming chamber (2), pitch homogenizing plate (7) internal face is fixedly connected on screw mixer structure (8) one end, the other end of screw mixer structure (8) is fixed on the other end of asphalt foaming chamber (2), described screw mixer structure (8) is arranged on the inside of asphalt foaming chamber (2), foamed asphalt probe tube (9) one end is welded on surface, asphalt foaming chamber (2) and is communicated with foam chamber (2), sampling electromagnetic valve (10) is arranged on probe tube (9) near on the pipeline of foam chamber, conduction oil outlet (6) is arranged on and is socketed in the outside cavity in asphalt foaming chamber (2) near near the entrance of asphalt foaming chamber (2).
2. high uniformity foam asphalt generation apparatus as claimed in claim 1, it is characterized in that described pitch deflector (1) is for circular, thickness is greater than 20mm, its diameter is identical with pitch bore, 2-3 pod apertures is evenly set on it, the cross section of described pod apertures can be circular, ellipse and square, and pod apertures can be column through hole or truncated cone-shaped through hole.
3. high uniformity foam asphalt generation apparatus as claimed in claim 1, it is characterized in that described nozzle connection (3) is internal thread column cylinder, the inner chamber of itself and asphalt foaming chamber link has concave station, forms the space being communicated with asphalt foaming chamber (2) after counterflow-preventing nozzle is installed on it.
4. high uniformity foam asphalt generation apparatus as claimed in claim 1, it is characterized in that the circular steel plate that described pitch bubble homogenizing plate (7) is 10～15mm for thickness, its surface arranges some for the larger asphalt foam of volume is broken up to the aperture of homogenizing, and the shape in hole can be circular or square.
5. high uniformity foam asphalt generation apparatus as claimed in claim 1, is characterized in that described probe tube (9) will approach with pitch outlet as far as possible, but can not interfere with end helical blade wall, and probe tube (9) can level be installed.
6. high uniformity foam asphalt generation apparatus as claimed in claim 1, it is characterized in that described sampling electromagnetic valve (10) adopts the mode being threaded to be arranged on probe tube (9) near on the horizontal pipeline of foam chamber, sampling electromagnetic valve (10) downstream arranges VERTICAL TUBE.
7. high uniformity foam asphalt generation apparatus as claimed in claim 1, is characterized in that described counterflow-preventing nozzle (4) is arranged on pitch deflector downstream pitch and produces the starting point refluxing.
8. high uniformity foam asphalt generation apparatus as claimed in claim 7, it is characterized in that described counterflow-preventing nozzle (4) comprises that top cover (41), regulating spring (42), outer fixed cover (43), spool (44), inlet attack (45), nozzle connect main body (46), sealing ring (47), counterflow-preventing nozzle (4) connects main body (44) by nozzle and is connected with nozzle connection (3).In the inner chamber of nozzle connection main body (46), spool (44) is set vertically, inlet attack (45) is connected the axis of main body (46) with nozzle vertical and be communicated with its inner chamber, the segment axis center that nozzle connection main body (46) stretches into nozzle connection (3) has through hole, nozzle connects main body (46) and adopts sealing ring (47) sealing with the contact surface of nozzle connection (3), the other end of spool (44) leans by packing ring and regulating spring (42), regulating spring (42) other end is against top cover (41) inner end wall, top cover (41) is fixed on and is connected in main body (44) by the screw thread on outer fixed cover (43).
9. high uniformity foam asphalt generation apparatus as claimed in claim 1, it is characterized in that on described asphalt foaming chamber along the circumferential direction uniform welding several 1～4 for the joint of counterflow-preventing nozzle is installed.
10. high uniformity foam asphalt generation apparatus as claimed in claim 1, it is characterized in that described static agitation mechanism (8) is welded to form by several identical helical blades, all helical blades are all coaxial, and two adjacent helical blades are mutually vertical, and 90 ° of phase phasic differences.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320559936.9U CN203546561U (en) | 2013-09-10 | 2013-09-10 | High-uniformity foam asphalt generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320559936.9U CN203546561U (en) | 2013-09-10 | 2013-09-10 | High-uniformity foam asphalt generating device |
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| Publication Number | Publication Date |
|---|---|
| CN203546561U true CN203546561U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320559936.9U Expired - Fee Related CN203546561U (en) | 2013-09-10 | 2013-09-10 | High-uniformity foam asphalt generating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233927A (en) * | 2014-09-10 | 2014-12-24 | 无锡雪桃集团有限公司 | Forced water injection type foam asphalt warm mixing device |
| CN107127067A (en) * | 2017-06-20 | 2017-09-05 | 福建省农业科学院茶叶研究所 | A kind of foam nozzle |
| CN107905062A (en) * | 2017-11-29 | 2018-04-13 | 杨招榕 | A kind of warm mix mixture preparation facilities in foamed asphalt room |
| CN112575649A (en) * | 2020-12-17 | 2021-03-30 | 宜昌江峡船用机械有限责任公司 | Asphalt foaming method capable of controlling water injection speed and stirring time |
| CN113123193A (en) * | 2021-04-15 | 2021-07-16 | 福建省铁拓机械股份有限公司 | Asphalt multi-pipe foaming system and process |
| CN114508023A (en) * | 2022-03-15 | 2022-05-17 | 河南北筑沥青发泡科技有限公司 | Anti-aging foamed asphalt generating device |
-
2013
- 2013-09-10 CN CN201320559936.9U patent/CN203546561U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233927A (en) * | 2014-09-10 | 2014-12-24 | 无锡雪桃集团有限公司 | Forced water injection type foam asphalt warm mixing device |
| CN107127067A (en) * | 2017-06-20 | 2017-09-05 | 福建省农业科学院茶叶研究所 | A kind of foam nozzle |
| CN107905062A (en) * | 2017-11-29 | 2018-04-13 | 杨招榕 | A kind of warm mix mixture preparation facilities in foamed asphalt room |
| CN112575649A (en) * | 2020-12-17 | 2021-03-30 | 宜昌江峡船用机械有限责任公司 | Asphalt foaming method capable of controlling water injection speed and stirring time |
| CN112575649B (en) * | 2020-12-17 | 2021-12-31 | 宜昌江峡船用机械有限责任公司 | Asphalt foaming method capable of controlling water injection speed and stirring time |
| CN113123193A (en) * | 2021-04-15 | 2021-07-16 | 福建省铁拓机械股份有限公司 | Asphalt multi-pipe foaming system and process |
| CN114508023A (en) * | 2022-03-15 | 2022-05-17 | 河南北筑沥青发泡科技有限公司 | Anti-aging foamed asphalt generating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20190910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |