CN104612024A - Asphalt foaming device - Google Patents
Asphalt foaming device Download PDFInfo
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- CN104612024A CN104612024A CN201510078203.7A CN201510078203A CN104612024A CN 104612024 A CN104612024 A CN 104612024A CN 201510078203 A CN201510078203 A CN 201510078203A CN 104612024 A CN104612024 A CN 104612024A
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- asphalt
- foaming
- shaping
- tube section
- asphalt foaming
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Abstract
The invention discloses an asphalt foaming device which comprises an asphalt foaming tube, wherein the asphalt foaming tube comprises a mixing tube section and a foaming tube section which are sequentially connected in the flow direction of asphalt; nozzles which are communicated with a water supply system are arranged in the mixing tube section; shaping pieces for shaping the asphalt are arranged at the inlet end of the mixing tube section; central holes through which the asphalt passes are formed in the shaping pieces; at least one convex shaping part is formed in the wall of each central hole; the nozzles are positioned right below the shaping parts; concave parts matched with the shaping parts are formed in asphalt beams shaped by the shaping parts; the nozzles in the concave parts are used for just spraying water to concave surfaces. Therefore, the contact area of water and asphalt is increased, the mixing efficiency and the mixing uniformity are improved, and the foaming efficiency and the foaming uniformity of asphalt are improved.
Description
Technical field
The present invention relates to a kind of asphalt foaming apparatus.
Background technology
General bituminous mixture stirring, transport, pave, all need to keep certain temperature, in order to avoid asphalt hardening affects construction quality in roller compaction process.This temperature is general all at about 160 DEG C.In road construction process, what energy consumption accounting was maximum is exactly to the heat energy spent by raw material heating, want to realize energy-conservation, the most direct way is exactly reduce the drop temperature of compound, but the viscosity of pitch can significantly improve after reduction temperature, the workability of compound becomes very poor, and to being stirred, transporting, pave, it is much unfavorable to bring, and greatly affects construction quality.The water of trace is participated in high-temperature liquid state pitch, due to asphalt temperature very high (generally all more than 140 DEG C), the transient evaporation when water touches hard pitch, forms a large amount of bubble in pitch, thus form foamed pitch, be referred to as foamed asphalt in industry.This kind of foamed asphalt has bubble due to the inside, so the viscosity of foamed asphalt reduces greatly, foam makes himself volume increase 2-3 doubly simultaneously.So just can realize reducing mixture temperature, the construction quality such as simultaneously can also ensure mixing uniformity and follow-up transport, roll.This technology is referred to as in the industry " plate form rubber warm mix technology ", in high-temperature liquid state pitch, participate in minor amount of water, makes pitch produce foam thus the device realizing asphalt foaming has just become the core apparatus of this technology.
Existing asphalt foaming apparatus mainly comprises asphalt foaming pipe, asphalt foaming pipe is serially connected on asphalt delivery pipeline, the shower nozzle that its inner setting is communicated with water system, by shower nozzle, the pitch inject high pressure water in conveying is realized to the foaming of pitch, the pitch carried in the duct is generally single pencil state, the contact area of the water that shower nozzle sprays and pitch is little, and the mixed effect of water and pitch is poor, causes foaming uneven.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of asphalt foaming apparatus of uniform in foaming is provided.
Object of the present invention realizes by following technical solution:
A kind of asphalt foaming apparatus, comprise asphalt foaming pipe, it is characterized in that: described asphalt foaming pipe comprises and flows to the mixation tube section that connects successively and foaming pipeline section along pitch, the shower nozzle be communicated with water system is provided with in described mixation tube section, the entrance point of described mixation tube section is provided with the shaping sheet for carrying out shaping to pitch, described shaping sheet is formed with the mesopore passed through for pitch, the hole wall of described mesopore is formed with at least one shaping portion of protruding, and described shower nozzle is positioned at immediately below described shaping portion.
Further, described shaping portion is semicircle.
Further, the mesopore of described shaping sheet is circular.
Further, the hole wall of described mesopore is formed with at least two described shaping portions of circle distribution, is provided with a described shower nozzle immediately below each described shaping portion.
Further, described asphalt foaming pipe comprises and flows to along pitch the import pipeline section, mixation tube section and the foaming pipeline section that connect successively, and the outer peripheral face of described import pipeline section and foaming pipeline section is all arranged with heat-conducting oil pipes.
Further, described import tube section ends is provided with the first flange, and described foaming tube section ends is provided with the second flange, and described mixation tube section two ends are clamped between first, second flange, and first, second flange is connected by bolt-locking.
Further, the opposite face of described first flange and the second flange is formed with the groove for accepting described mixation tube section two ends respectively.
Further, described shaping sheet is clamped between the groove of described mixation tube section entrance point and described first flange.
Further, the injection direction of described shower nozzle and the flow direction of pitch vertical.
Further, helical blade is provided with in described foaming pipeline section.
The present invention has following beneficial effect:
At the entrance point of mixation tube section, shaping sheet is set, be shaped the pitch beam after sheet shaping and form the depressed part suitable with shaping portion, and the shower nozzle be in depressed part is just in time sprayed water to concave face, the contact area of water and pitch can be increased like this, improve mixing efficiency and mixing uniformity, thus improve bubbling efficiency and the uniform in foaming of pitch; All be arranged with heat-conducting oil pipes at the outer peripheral face of import pipeline section and foaming pipeline section, heat-conducting oil pipes is communicated with deep fat supply system, and the temperature keeping certain for providing thermal source to make the pitch in pipe to import pipeline section and foaming pipeline section, plays the effect of insulation; Import pipeline section, mixation tube section and foaming pipeline section are interconnected by flange, can be convenient to the dismounting of each pipeline section and shaping sheet, cleaning and replacing, and shaping sheet adopts clip type to install, and shaping sheet can require to change easily according to foaming parameter; The quantity of shower nozzle depends on the quantity in semicircle shaping portion in shaping sheet, therefore can realize according to output size adjustment shaping portion quantity and shower nozzle quantity; In asphalt foaming pipe, be provided with helical blade, pitch under the effect of helical blade along foaming pipeline section axial direction eddy flow and under, the foaming effect of pitch can be improved.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of shaping sheet of the present invention.
Detailed description of the invention
With reference to shown in Fig. 1, a kind of asphalt foaming apparatus, comprise asphalt foaming pipe 1, asphalt foaming pipe 1 comprises and flows to along pitch the import pipeline section 11 connected successively, mixation tube section 12 and foaming pipeline section 13, helical blade 19 is provided with in foaming pipeline section 13, the entrance point of mixation tube section 12 is provided with the shaping sheet 2 for carrying out shaping to pitch, shaping sheet 2 is for being formed with the round sheet body of the circular mesopore 21 passed through for pitch, the hole wall of mesopore 21 is formed with the circular shaping portion 22 of two halves of the protrusion of circle distribution, two shower nozzles 18 be communicated with water system (not shown) are provided with in mixation tube section 12, two shower nozzle 18 correspondences are arranged on immediately below two shaping portions 22, the quantity of shower nozzle 18 is identical with shaping portion 22, concrete quantity can set according to actual needs, two shower nozzles 18 flow to along vertical pitch and arrange, water system by delivery pump to shower nozzle discharge pressure water, the drive motors of delivery pump is variable-frequency motor, the outer peripheral face of import pipeline section 11 and foaming pipeline section 13 is all arranged with heat-conducting oil pipes 14, heat-conducting oil pipes 14 is communicated with deep fat supply system, for supplying heat to keep asphalt temperature to import pipeline section 11 and foaming pipeline section 13.
Import pipeline section 11, mixation tube section 12 and foaming pipeline section 13 pass through Flange joint, be specially import pipeline section 11 end and be provided with the first flange 15, foaming pipeline section 13 end is provided with the second flange 16, mixation tube section 12 two ends are clamped between first, second flange 15,16, first, second flange 15,16 is locked by bolt 17 and is connected, the opposite face of the first flange 15 and the second flange 16 is formed with the first groove 151 and the second groove 161 for accepting mixation tube section 12 two ends respectively, and shaping sheet 2 is clamped between mixation tube section 12 entrance point and the first groove 151.
Specific works mode is: pitch is carried at asphalt foaming pipe 1, heated by heat-conducting oil pipes 14 in the process flowing through import pipeline section 11, when entering the entrance point of mixation tube section 12, be shaped sheet 2 shaping, pitch beam forms the depressed part suitable with shaping portion 22, and the shower nozzle 18 be in depressed part is just in time sprayed water to concave face, the contact area of water and pitch can be increased like this, improve mixing efficiency and mixing uniformity, thus improve the bubbling efficiency of pitch, finally flow through foaming pipeline section 13, pitch herein and the mixture of water under helical blade 19 acts on along foam pipeline section 13 axial direction eddy flow and under.
The above, be only preferred embodiment of the present invention, therefore can not limit scope of the invention process with this, and the equivalence namely done according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.
Claims (10)
1. an asphalt foaming apparatus, comprise asphalt foaming pipe, it is characterized in that: described asphalt foaming pipe comprises and flows to the mixation tube section that connects successively and foaming pipeline section along pitch, the shower nozzle be communicated with water system is provided with in described mixation tube section, the entrance point of described mixation tube section is provided with the shaping sheet for carrying out shaping to pitch, described shaping sheet is formed with the mesopore passed through for pitch, the hole wall of described mesopore is formed with at least one shaping portion of protruding, and described shower nozzle is positioned at immediately below described shaping portion.
2. a kind of asphalt foaming apparatus according to claim 1, is characterized in that: described shaping portion is for semicircle.
3. a kind of asphalt foaming apparatus according to claim 2, is characterized in that: the mesopore of described shaping sheet is for circular.
4. a kind of asphalt foaming apparatus according to claim 1 or 2 or 3, is characterized in that: the hole wall of described mesopore is formed with at least two described shaping portions of circle distribution, is provided with a described shower nozzle immediately below each described shaping portion.
5. a kind of asphalt foaming apparatus according to claim 1 or 2 or 3, it is characterized in that: described asphalt foaming pipe comprises and flows to along pitch the import pipeline section, mixation tube section and the foaming pipeline section that connect successively, the outer peripheral face of described import pipeline section and foaming pipeline section is all arranged with heat-conducting oil pipes.
6. a kind of asphalt foaming apparatus according to claim 5, it is characterized in that: described import tube section ends is provided with the first flange, described foaming tube section ends is provided with the second flange, described mixation tube section two ends are clamped between first, second flange, and first, second flange is connected by bolt-locking.
7. a kind of asphalt foaming apparatus according to claim 6, is characterized in that: the opposite face of described first flange and the second flange is formed with the groove for accepting described mixation tube section two ends respectively.
8. a kind of asphalt foaming apparatus according to claim 7, is characterized in that: described shaping sheet is clamped between the groove of described mixation tube section entrance point and described first flange.
9. a kind of asphalt foaming apparatus according to claim 1 or 2 or 3, is characterized in that: the injection direction of described shower nozzle is vertical with the flow direction of pitch.
10. a kind of asphalt foaming apparatus according to claim 1 or 2 or 3, is characterized in that: be provided with helical blade in described foaming pipeline section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078203.7A CN104612024A (en) | 2015-02-13 | 2015-02-13 | Asphalt foaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078203.7A CN104612024A (en) | 2015-02-13 | 2015-02-13 | Asphalt foaming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104612024A true CN104612024A (en) | 2015-05-13 |
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ID=53146653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510078203.7A Pending CN104612024A (en) | 2015-02-13 | 2015-02-13 | Asphalt foaming device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104612024A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835900A (en) * | 2017-01-10 | 2017-06-13 | 长安大学 | A kind of multistage foam asphalt generation apparatus and method |
| CN108149549A (en) * | 2018-01-24 | 2018-06-12 | 徐工集团工程机械有限公司 | Asphalt foaming flusher and cold asphalt rehabilitation equipment |
| CN109355999A (en) * | 2018-12-07 | 2019-02-19 | 福建铁拓机械有限公司 | A kind of asphalt foaming machine and foaming method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203096556U (en) * | 2013-03-13 | 2013-07-31 | 山东省路桥集团有限公司 | Asphalt foaming device |
| CN203700909U (en) * | 2014-02-26 | 2014-07-09 | 廊坊德基机械科技股份有限公司 | Intermittent asphalt foaming device |
| CN104032651A (en) * | 2014-05-09 | 2014-09-10 | 南阳市亚龙筑路机械制造有限公司 | Asphalt warm-mixing foaming system |
| CN104032650A (en) * | 2014-05-09 | 2014-09-10 | 南阳市亚龙筑路机械制造有限公司 | Pitch mixed material warm-mixing and regenerating equipment |
| CN204551185U (en) * | 2015-02-13 | 2015-08-12 | 福建铁拓机械有限公司 | A kind of asphalt foaming apparatus |
-
2015
- 2015-02-13 CN CN201510078203.7A patent/CN104612024A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203096556U (en) * | 2013-03-13 | 2013-07-31 | 山东省路桥集团有限公司 | Asphalt foaming device |
| CN203700909U (en) * | 2014-02-26 | 2014-07-09 | 廊坊德基机械科技股份有限公司 | Intermittent asphalt foaming device |
| CN104032651A (en) * | 2014-05-09 | 2014-09-10 | 南阳市亚龙筑路机械制造有限公司 | Asphalt warm-mixing foaming system |
| CN104032650A (en) * | 2014-05-09 | 2014-09-10 | 南阳市亚龙筑路机械制造有限公司 | Pitch mixed material warm-mixing and regenerating equipment |
| CN204551185U (en) * | 2015-02-13 | 2015-08-12 | 福建铁拓机械有限公司 | A kind of asphalt foaming apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835900A (en) * | 2017-01-10 | 2017-06-13 | 长安大学 | A kind of multistage foam asphalt generation apparatus and method |
| CN108149549A (en) * | 2018-01-24 | 2018-06-12 | 徐工集团工程机械有限公司 | Asphalt foaming flusher and cold asphalt rehabilitation equipment |
| CN108149549B (en) * | 2018-01-24 | 2023-12-08 | 江苏徐工工程机械研究院有限公司 | Asphalt foaming spraying device and asphalt cold recycling equipment |
| CN109355999A (en) * | 2018-12-07 | 2019-02-19 | 福建铁拓机械有限公司 | A kind of asphalt foaming machine and foaming method |
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Application publication date: 20150513 |