CN103911936A - Asphalt thermal regeneration equipment - Google Patents
Asphalt thermal regeneration equipment Download PDFInfo
- Publication number
- CN103911936A CN103911936A CN201210591645.8A CN201210591645A CN103911936A CN 103911936 A CN103911936 A CN 103911936A CN 201210591645 A CN201210591645 A CN 201210591645A CN 103911936 A CN103911936 A CN 103911936A
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- heat recycling
- asphalt
- recycling equipment
- asphalt heat
- burner
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Abstract
The invention provides asphalt thermal regeneration equipment, which comprises a bracket, and a belt conveyor, a burner and a stirring pot arranged on the bracket. Specifically, the burner is equipped with a heating hearth and an air supplementing machine, and is in connection with the stirring pot. The stirring pot is separated into a burning chamber and a stirring chamber that are communicated with each other by a flange disposed in the pot. The burning chamber is communicated with the heating hearth, and the stirring chamber is provided with a stirrer, which comprises stirring blades and a transmission shaft. By adopting the asphalt thermal regeneration equipment provided by the invention, bonding of hot asphalt with the blades is avoided, the thermal efficiency and production capacity are effectively improved, energy is saved, the fuel cost is reduced, and simultaneously asphalt aging can be effectively prevented, and the accuracy of the asphalt thermal regeneration process is improved.
Description
Technical field
The present invention relates to a kind of bitumen treatment device, relate in particular to a kind of asphalt heat recycling equipment.
Background technology
Flexible pavement is with its smooth few dirt, waterproof, the performance such as durable in use is widely used in road construction, asphalt pavement maintenance maintenance is convenient, and the method extensively adopting is the regeneration techniques to flexible pavement, to bituminous concrete waste material with new pitch, newly the mix that gathers materials etc. by a certain percentage again becomes compound, meet certain functional performance, both solve the pollution problem of bituminous concrete waste material to environment, saved again new bituminous mixture, there is good economic benefit and social benefit.
At present, each manufactory adopts old asphalt mixture to add in drying drum and heat continuously, to be heated to after temperature required, stores, metering,, within the regular hour, in same agitator, stir and bear a kind of new bituminous mixture with new aggregate, pitch.But after use, there is following problem in this equipment: 1, fry on the plate of material footpath heated bitumen in cylindrical shell serious with fine sand sizing bonding, form a thick layer ofly, make to fry material footpath plate and lost effect, can not normally produce, and cleaning is difficult; 2, adopt hot air, combustion chamber is lengthened, cause the thermal efficiency low, in time, yields poorly, and wastes energy, and increases fuel cost, if naked light and asphalt material are long time of contact, pitch is easily aging, has a strong impact on the quality of asphalt material; 3, adopt cylindrical shell heating, by air-introduced machine, spitfire end flame temperature is drawn to the other end, just can carries out this operation because cylindrical shell need to remain negative pressure, so can make to introduce more cold air, not only reduce the thermal efficiency, also more coal tar flue gas is entered in atmosphere.
In view of this, how to avoid the interior heated bitumen of cylindrical shell and fine sand to be seriously bonded in and fry material footpath plate, naked light directly contact with asphalt material neither produce aging, can improve again the thermal efficiency, output when raising, reduce fuel cost, reduce coal tar flue gas simultaneously and enter atmosphere, become asphalt heat recycling field problem demanding prompt solution.
Summary of the invention
In prior art, bitumen regeneration equipment is fried material footpath plate bonding seriously, cleans inconvenience, and asphalt material is easily aging, and the thermal efficiency is low, and the problem that cooking fume pollutes, the invention provides a kind of asphalt heat recycling equipment.
According to the present invention, a kind of asphalt heat recycling equipment is provided, comprises support, and be arranged on the belt conveyor above support, burner and agitated kettle, wherein, burner has heating furnace and mends blower fan, and burner is connected with agitated kettle, agitated kettle is divided into by the flange being arranged in pot the combustion chamber and the teeter chamber that are interconnected, combustion chamber is communicated with setting with heating furnace, teeter chamber is provided with agitator, and agitator comprises stirrer paddle and power transmission shaft.
Preferably, the agitated kettle top of asphalt heat recycling equipment is provided with reclaims bitumen feed mouth, reclaims bitumen feed mouth and is connected with belt conveyor;
Preferably, the recovery bitumen feed mouth of asphalt heat recycling equipment is arranged on the one end near burner;
Preferably, be set up in parallel many group stirrer paddles on the power transmission shaft of asphalt heat recycling equipment, each group is made up of upper and lower two stirrer paddles, and the angle that arranges of stirrer paddle and power transmission shaft is 30～45 °;
Preferably, the power transmission shaft of asphalt heat recycling equipment is driven by drive motor, and drive motor is arranged on the below of burner;
Preferably, the agitated kettle of asphalt heat recycling equipment bottom is provided with discharging opening, the downward-sloping setting of discharging opening;
Preferably, the burner of asphalt heat recycling equipment adopts fire coal or fuel oil;
Preferably, the burner of asphalt heat recycling equipment adopts manually to control heating-up temperature or adopt and automatically controls heating-up temperature;
Preferably, the inlet amount of the reclaimed asphalt pavement of asphalt heat recycling equipment adopts electronic weighting control;
Preferably, the agitated kettle top of asphalt heat recycling equipment is provided with exhaust opening for gas discharging.
Adopt asphalt heat recycling equipment of the present invention, can effectively solve to fry and expect that footpath plate seriously bonds, and is difficult to the problem of cleaning, improve thermal yield and time efficiency in, reduced the risk of ageing of asphalt, saved the energy simultaneously, reduce the discharge of cooking fume, energy-conserving and environment-protective.
Brief description of the drawings
Reader, after having read the specific embodiment of the present invention with reference to accompanying drawing, will become apparent various aspects of the present invention.Wherein,
Fig. 1 shows according to the present invention, the structural representation of asphalt heat recycling equipment.
Detailed description of the invention
With reference to the accompanying drawings, embodiments of the present invention are described in further detail.
Fig. 1 shows according to the present invention, the structural representation of asphalt heat recycling equipment.With reference to Fig. 1, asphalt heat recycling equipment comprises support 10, and the belt conveyor 20 on it is set, burner 30, and agitated kettle 40, agitated kettle 40 is directly installed on support 10 with the drive motor 50 that is arranged on one side, in agitated kettle 40, be provided with a flange 43, flange 43 is divided into agitated kettle 40 two parts up and down that are interconnected, top is divided into combustion chamber 41, bottom is divided into for teeter chamber 42, the interior agitator 44 that arranges in teeter chamber 42, agitator 44 comprises stirrer paddle 441, power transmission shaft 442, upper and lower two of stirrer paddle 441 is one group, many groups are set up in parallel on power transmission shaft 442, can be under the drive of power transmission shaft 442 left-right rotation, the angle of blade and power transmission shaft 442 is arranged between 30～45 °, the stirring of more convenient its drive material of angle tilting.Power transmission shaft 442 is driven by drive motor 50, do 360 ° of rotations, this agitating mode simultaneously rotating of stirrer paddle 441 and power transmission shaft 442 can make material stir by force in agitated kettle 40, stirrer paddle 441 pushes mutually with material, heated bitumen in material and fine sand can not be bonded on stirrer paddle 441, the difficulty that yet can not cause blade to clean.Burner 30 is arranged on the top of drive motor 50, is connected with agitated kettle 40.Burner 30 has heating furnace 31 and mends blower fan (not illustrating), and wherein, heating furnace 31 is communicated with setting with combustion chamber 41.Heating furnace 31 is communicated with setting with the one of agitated kettle 40, flame can directly be contacted with material, improved the thermal efficiency, improved output, the fuel of burner 30 interior employings is fire coal or fuel oil simultaneously, heating-up temperature is manually controlled according to the demand of material, or automatically controls energy conservation, save fuel cost, and because material presents boiling type rolling under the effect of agitator 44, contact with flame moment, thereby avoided flame after scorching and cause ageing of asphalt for a long time.Mend blower fan (not illustrating) supplemental oxygen, can assist flame to be ejected in material, material is carried out to sufficient heating, drying, simultaneously, the malleation that provides of blower fan (not illustrating) is provided, and can avoid traditional cylindrical shell heating time, spitfire end flame temperature is drawn to the situation that cold air that the other end causes enters by air-introduced machine, can improve the thermal efficiency, and reduce coal tar flue gas and enter in atmosphere.Recovery bitumen feed mouth 60 and exhaust opening 80 are separately positioned on the two ends at agitated kettle 40 tops, wherein, reclaiming bitumen feed mouth 60 is connected with belt conveyor 20, be arranged on the one end near burner 30, the flame that burner 30 sprays contacted with the reclaimed asphalt pavement moment being entered by recovery bitumen feed mouth 60.Agitated kettle 40 bottoms are provided with discharging opening 70, the downward-sloping setting of discharging opening 70, with respect to reclaiming bitumen feed mouth 60, discharging opening 70 is arranged on the other end of agitated kettle 40, can ensure that like this material is entered in pot and exported by the other end by one end, ensure material heated more fully and stirring in laser heating and continuous stirring.Inlet amount adopts projection electronic weighing control, and the recovery pitch after accurate weighing is carried by belt conveyor 20, enters in agitated kettle 40 through reclaiming bitumen feed mouth 60.
Adopt asphalt heat recycling equipment of the present invention, the stirring by force of stirrer paddle can be avoided heated bitumen and the bonding of fine sand to blade; The mode of heating that adopts flame directly to contact with old asphalt mixture, the thermal efficiency is high, and output is large, and energy conservation is saved fuel cost; The mode of the maintenance malleation stir, heating furnace adopting, has effectively stoped entering of cold air, has not only improved the thermal efficiency, has reduced the discharge of cooking fume simultaneously; The agitating mode that the present invention adopts, makes old asphalt mixture boiling type rolling in agitated kettle, and bituminous mixture is to contact moment with flame, can not cause pitch aging; Equipment fuel adopts fire coal or fuel oil, heating-up temperature can manually be controlled or automatically control, and inlet amount adopts projection electronic weighing control, improves the degree of accuracy of asphalt-regenerating process, asphalt heat recycling equipment of the present invention is than the low cost of manufacture of original equipment approximately 5%, and fuel ratio original equipment is saved more than 20%.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those of ordinary skill in the art can be understood, in situation without departing from the spirit and scope of the present invention, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replacement all drop in the scope of the claims in the present invention book restriction.
Claims (10)
1. an asphalt heat recycling equipment, comprise support, and being arranged on the belt conveyor above described support, burner and agitated kettle, is characterized in that, described burner has heating furnace and mends blower fan, described burner is connected with described agitated kettle, and described agitated kettle is divided into by the flange being arranged in pot the combustion chamber and the teeter chamber that are interconnected, and described combustion chamber is communicated with setting with described heating furnace, described teeter chamber is provided with agitator, and described agitator comprises stirrer paddle and power transmission shaft.
2. asphalt heat recycling equipment as claimed in claim 1, is characterized in that, described agitated kettle top is provided with reclaims bitumen feed mouth, and described recovery bitumen feed mouth is connected with described belt conveyor.
3. asphalt heat recycling equipment as claimed in claim 2, is characterized in that, described recovery bitumen feed mouth is arranged on the one end near described burner.
4. asphalt heat recycling equipment as claimed in claim 1, is characterized in that, is set up in parallel many group stirrer paddles on described power transmission shaft, and each group is made up of upper and lower two stirrer paddles, and the angle that arranges of described stirrer paddle and described power transmission shaft is 30～45 °.
5. asphalt heat recycling equipment as claimed in claim 1, is characterized in that, described power transmission shaft is driven by drive motor, and described drive motor is arranged on the below of described burner.
6. asphalt heat recycling equipment as claimed in claim 1, is characterized in that, described agitated kettle bottom is provided with discharging opening, the downward-sloping setting of described discharging opening.
7. asphalt heat recycling equipment as claimed in claim 1, is characterized in that, described burner adopts fire coal or fuel oil.
8. asphalt heat recycling equipment as claimed in claim 7, is characterized in that, described burner adopts manually to control heating-up temperature or adopt controls heating-up temperature automatically.
9. asphalt heat recycling equipment as claimed in claim 1, is characterized in that, the inlet amount of the reclaimed asphalt pavement of described asphalt heat recycling equipment adopts electronic weighting control.
10. asphalt heat recycling equipment as claimed in claim 1, is characterized in that, described agitated kettle top is provided with exhaust opening for gas discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210591645.8A CN103911936B (en) | 2012-12-31 | 2012-12-31 | A kind of asphalt heat recycling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210591645.8A CN103911936B (en) | 2012-12-31 | 2012-12-31 | A kind of asphalt heat recycling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103911936A true CN103911936A (en) | 2014-07-09 |
| CN103911936B CN103911936B (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210591645.8A Active CN103911936B (en) | 2012-12-31 | 2012-12-31 | A kind of asphalt heat recycling equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN103911936B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805995A (en) * | 2017-09-29 | 2018-03-16 | 杭州全合科技有限公司 | A kind of firing equipment and method for reclaiming asphalt pavement material |
| CN113550200A (en) * | 2021-08-01 | 2021-10-26 | 宫成军 | Asphalt concrete stirring device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332478A (en) * | 1979-05-16 | 1982-06-01 | Barber-Greene Company | Method and apparatus for reducing smoke emissions in an asphalt drum mixer |
| CN1648345A (en) * | 2005-02-04 | 2005-08-03 | 杨林江 | Regenerating stirrer for pitch concrete |
| CN101126221A (en) * | 2007-07-09 | 2008-02-20 | 陈启宗 | Differential double-horizontal-shaft asphalt regeneration stirrer |
| CN201671044U (en) * | 2010-05-14 | 2010-12-15 | 南京英达公路养护车制造有限公司 | Roller-bunker type of vehicle for on-site heating and recycling of asphalt layer of pavement |
| CN102337717A (en) * | 2011-08-03 | 2012-02-01 | 福建泉成机械有限公司 | Asphalt mixture hot in-place recycling vehicle |
| CN203096558U (en) * | 2012-12-31 | 2013-07-31 | 无锡龙立工程机械有限公司 | Asphalt thermal regeneration equipment |
-
2012
- 2012-12-31 CN CN201210591645.8A patent/CN103911936B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332478A (en) * | 1979-05-16 | 1982-06-01 | Barber-Greene Company | Method and apparatus for reducing smoke emissions in an asphalt drum mixer |
| CN1648345A (en) * | 2005-02-04 | 2005-08-03 | 杨林江 | Regenerating stirrer for pitch concrete |
| CN101126221A (en) * | 2007-07-09 | 2008-02-20 | 陈启宗 | Differential double-horizontal-shaft asphalt regeneration stirrer |
| CN201671044U (en) * | 2010-05-14 | 2010-12-15 | 南京英达公路养护车制造有限公司 | Roller-bunker type of vehicle for on-site heating and recycling of asphalt layer of pavement |
| CN102337717A (en) * | 2011-08-03 | 2012-02-01 | 福建泉成机械有限公司 | Asphalt mixture hot in-place recycling vehicle |
| CN203096558U (en) * | 2012-12-31 | 2013-07-31 | 无锡龙立工程机械有限公司 | Asphalt thermal regeneration equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805995A (en) * | 2017-09-29 | 2018-03-16 | 杭州全合科技有限公司 | A kind of firing equipment and method for reclaiming asphalt pavement material |
| CN107805995B (en) * | 2017-09-29 | 2023-03-31 | 浙江赤道筑养路机械有限公司 | Heating equipment and method for recycling asphalt pavement material |
| CN113550200A (en) * | 2021-08-01 | 2021-10-26 | 宫成军 | Asphalt concrete stirring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103911936B (en) | 2016-05-25 |
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