CN203373643U - Reclaimed asphalt mixture heating device with transfer cabins - Google Patents
Reclaimed asphalt mixture heating device with transfer cabins Download PDFInfo
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- CN203373643U CN203373643U CN201320463691.XU CN201320463691U CN203373643U CN 203373643 U CN203373643 U CN 203373643U CN 201320463691 U CN201320463691 U CN 201320463691U CN 203373643 U CN203373643 U CN 203373643U
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- cabin
- transition
- asphalt mixture
- drapery panel
- heated roller
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Abstract
The utility model provides a reclaimed asphalt mixture heating device with transfer cabins. The reclaimed asphalt mixture heating device at least comprises two heating rollers, wherein a shoveling plate is arranged in each heating roller; transfer cabins are arranged between adjacent heating rollers; two ends of each transfer cabin are respectively connected to one end of the front heating roller and one end of the rear heating roller through rotating connectors; a feed port is formed on the first heating roller; a discharge port is formed on the last heating roller. Various heating rollers can be vertically and obliquely arranged through the transfer cabins between every two of multiple heating rollers, and the heating rollers not only can independently rotate but also can convey materials to the next heating roller through the transfer cabins, so as to adapt to drying process parameters of the reclaimed asphalt mixture under various states, enhance a heat exchange effect and delay flow of hot gas; the heating device is favorable for complete heat exchange.
Description
Technical field
The utility model relates to the device that the waste asphalt mixture produced after a kind of road pavement milling heats recycling, belongs to the asphalt regenerative technical field of heating.
Background technology
All can produce a large amount of waste asphalt mixtures in the revision of road pavement, contain aged asphalt, rubble and sand in waste asphalt mixture, after Recycling Old Asphalt Mixture, value is still higher.Along with the reinforcement of people to environmental protection and utilization of resources consciousness, national governments, to the discharge of the solid waste restriction of being made laws, can not or discard by random stacking as the waste asphalt mixture of solid waste.Therefore, the flexible pavement Recycle Technique heat subject that become international, to the recycling of old asphalt, can reach economize on resources, environmental contamination reduction public hazards, the purpose of community economy benefit of strengthening.The flexible pavement Recycle Technique, be by old asphalt pavement through digging, reclaim, after broken, screening, with regenerative agent, new bituminous material, newly gather materials etc. and again to stir into by a certain percentage compound, enable to meet certain pavement performance and by its a set of technology of surfacing again.
At present, drum-type stirring equipment is mainly manifested in the following aspects in the progress of performance and structure: (1) structural significant improvement; Lengthen cylinder to increase the space of heating, increase the mixing time, thereby improve the uniformity of mixing and stirring; Encrypt the quantity of stirring vane, the material curtain of shape multilayer spreading, improve the interchange of heat between aggregate and combustion gas, stops flame directly to spray to pitch, improves the problem of the aging and blue smoke of pitch; (2) improvement of combustion technology: at first show in the change of flame profile, strengthened air quantity and the blast of Secondary Air simultaneously, introduced the automatic control system of distributive value and Secondary Air; (3) although early stage drum-type stirring equipment adopts free-standing control system can guarantee the steady running of aggregate and asphalt feeding system, but be difficult to reflect the variation of sand material flow randomness, can't control at any time the emitted dose of pitch, be difficult to obtain high-quality compound.
Chinese patent literature CN2555277 disclosed " the continuous mixing equipment of double-deck adverse current bituminous mixture " and document " application of twin-roll continuous mixing equipment in asphalt heat recycling " (Heilungkiang transport science and techonologies, NO.8,2010, total the 198th phase) and " applied analysis of twin-roll continuous mixing equipment in asphalt heat recycling " (Liaoning Province traffic higher junior college journal, the 7th the 3rd phase of volume, in September, 2005, V01-7 NO.3, Sep.2005) all mentioned and adopted double-deck twin-roll in, made dry and mix and stir all and carry out in cylinder.The structure of " twin-roll " of these document indications is the little cylinders of large jacket casing, the curb pins nested structure, and inner core is a rotary body, supporting, rotation and internal construction are similar to the drying drum in batch type equipment, for the heating of cold mineral aggregate.Heated mineral aggregate, the discharging opening of burner one end flows to the inner chamber of urceolus from inner core, mixes with inserts, reclaimed materials, regenerative agent and pitch.When inner cylinder rotating, the paddle oar on inner tank theca is stirred compound to the propelling for the helical movement of cold mineral aggregate reverse movement direction, is uniformly mixed mixing and stirring of material process urceolus long period, and finished product material is discharged from discharge port.The adjustment of twin-roll is mainly to guarantee operating steadily of twin-roll, can be adjusted by bogie wheel, and its driving is to complete by unsteady shape of a saddle chain.
Above-mentioned " twin-roll " if structure " pitch that the charge door of urceolus adds, reclaimed asphalt mixture " reached lay needed temperature and output, be not to increase its axial length, be increased in exactly the running time in cylinder and increase the urceolus volume.
Therefore, a major reason that affects the reclaimed asphalt mixture use is exactly " regeneration cost " problem, if meet the requirement of flexible pavement continuous laying, " regenerative process " of reclaimed asphalt mixture just must be continuously.If realize cyclic regeneration, and reach in batches a certain amount of (for example production 3000kg per minute) drying roller internal diameter and will reach 1000mm, length will approach 10 meters, and equipment volume is large, and floor space is large.And, current reclaimed asphalt mixture laser heating cylinder is not considered material physical parameter under different temperatures, and the physical parameter of some material under different temperatures is widely different, in some dry (or heating) process, adopt identical drying (or heating) technique just to be difficult to meet the demand of differentiation.
Summary of the invention
The problem that output is little, floor space is large that the utility model exists for existing reclaimed asphalt mixture production equipment, provide the reclaimed asphalt mixture heater that cabin is shifted in transition that has that a kind of floor space is little, output large, the heating mixing effect is good.
Reclaimed asphalt mixture heater with transition transfer cabin of the present utility model, by the following technical solutions:
This device, at least comprise two heated rollers, be provided with flight in each heated roller, be provided with transition between adjacent heated roller and shift cabin, the two ends that cabin is shifted in transition are connected by rotary connector with an end of front and back heated roller respectively, the first heated roller is provided with charging aperture, and last heated roller is provided with discharge gate.
Rotary connector comprises entrance point, the port of export, turns core and bearing installing plate, turns core and entrance point links together, and bearing installing plate and the port of export link together, turn between core and the port of export and turn core and the bearing installing plate between bearing all is set.During application, entrance point and the port of export link together with the end that cabin is shifted in an end and the transition of heated roller respectively, realize that heated roller shifts being connected of cabin with transition, and heated roller can rotate simultaneously.
The first structure in cabin is shifted in transition, comprises cabin body, inboard drapery panel and outside drapery panel, and body two ends, cabin are respectively supplied materials mouth and discharging opening, are distributed with inboard drapery panel and the outside drapery panel of interlaced arrangement on the inwall of cabin body.The acute angle that the internal face formation of inboard drapery panel and outside drapery panel and cabin body is greater than 60 ℃, the method phase angle of interior drapery panel and the extended line of outer drapery panel is between ± 15 ℃.
The second structure in cabin is shifted in transition, comprises cabin body and transmission mechanism, and body two ends, cabin are respectively supplied materials mouth and discharging opening, in the body of cabin, transmission mechanism are set.
The utility model adopts a plurality of heated roller structures, transition is set between each heated roller and shifts cabin, each heated roller can vertically be in tilted layout, reduce the floor space of whole device, heated roller can independent rotation can shift cabin by transition by material again and be transported to next heated roller, can carry out process parameter control to different cylinders respectively, adapt to the Drying Technology Parameter under the reclaimed asphalt mixture different conditions, increase heat transfer effect, delay hot gas flow, be conducive to fully carry out interchange of heat.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of rotary connector in the utility model.
Fig. 3 is the structural representation that in the utility model, cabin is shifted in the high inclination-angle transition.
Fig. 4 is the structural representation that in the utility model, cabin is shifted in the small inclination transition.
Wherein: 1, charging aperture, 2, discharge gate, 3, rotary connector, the 4, first heated roller, 5, the First Transition transfer bin, the 6, second transition transfer bin, the 7, second heated roller, the 8, the 3rd heated roller; 31, entrance point, 32, the port of export, 33, turn core, 34 bearing installing plates, 35, bearing; 61, supplied materials mouth, 62, discharging opening, 63, the cabin body, 64, inboard drapery panel, 65, outside drapery panel, 66, the spiral transmission mechanism.
The specific embodiment
As shown in Figure 1, reclaimed asphalt mixture heater of the present utility model mainly comprises that at least two heated rollers (are provided with three heated rollers in Fig. 1, the first heated roller 4, the second heated roller 7 and the 3rd heated roller 8), be provided with First Transition between the first heated roller 4 and the second heated roller 7 and shift cabin 5, be provided with the second transition between the second heated roller 7 and the 3rd heated roller 8 and shift cabin 6, the first heated roller 4, First Transition shifts cabin 5, the second heated roller 7, cabin 6 is shifted in the second transition and the 3rd heated roller 8 is docking together successively, each joint arranges rotary connector 3, so that each heated roller can rotate.The first heated roller 4 is provided with charging aperture 1, the three heated roller 8 and is provided with discharge gate 2.The axis of each heated roller can be arbitrarily angled layout, and the axial cross section of heated roller can be not in one plane.Each heated roller shifts cabin with respect to transition under the drive of driving mechanism can independent rotation.
The structure of rotary connector 3 as shown in Figure 2, comprise entrance point 31, the port of export 32, turn core 33, bearing installing plate 34 and bearing 35, together with turning core 33 and entrance point 31 being bolted, bearing installing plate 34 is with together with the port of export 32 is bolted, turn between core 33 and the port of export 32 and turn between core 33 and bearing installing plate 34 bearing 35 all is set, entrance point 31 and the port of export 32 can not move in the axial direction like this, can only rotate.During application, together with the end that entrance point 31 and the port of export 32 shift cabin with an end of heated roller and transition respectively is bolted, can realize that heated roller shifts being connected of cabin with transition, heated roller can rotate simultaneously, and transition transfer cabin maintains static.
The structure that cabin is shifted in transition is divided into two kinds of situations, and a kind of is that cabin is shifted in the high inclination-angle transition, and a kind of is that cabin is shifted in the small inclination transition.High inclination-angle transition transfer cabin refers to when the cabin installation is shifted in transition and the angle of inclination of horizontal direction is more than or equal to 60 ℃, and small inclination transition transfer cabin refers to when the cabin installation is shifted in transition and the angle of inclination of horizontal direction is less than 60 ℃.
The structure in high inclination-angle transition transfer cabin as shown in Figure 3, comprise cabin body 63, inboard drapery panel 64 and outside drapery panel 65, body 63 two ends in cabin are respectively supplied materials mouth 61 and discharging opening 62, are distributed with inboard drapery panel 64 and the outside drapery panel 65 of interlaced arrangement on the inwall of cabin body 63.Inboard drapery panel 64 and outside drapery panel 65 adopt has flexible metal material, with the internal face of cabin body 63, forms the acute angle that is greater than 60 ℃, and the method phase angle of interior drapery panel 64 and the extended line of outer drapery panel 65 is between ± 15 ℃.Supplied materials mouth 61 is accepted the compound from the heating of a upper heated roller, compound enters cabin body 63 and moves down under inertia force and self gravitation effect after interior, compound is in moving down process, at first be subject to inboard drapery panel 64 obstructs and changed flow direction, under the guide functions of inboard drapery panel 64, on the unrestrained drapery panel 65 outside of material from interior drapery panel 64 under landing, the material of trickling down this outer drapery panel under gravity and inertia acting in conjunction, be slipped to again next on drapery panel, therewith repeatedly until material enters next heated roller.Compound completes the transfer of shifting cabin in this transition after by discharging opening 62, enters next heated roller, and this unrestrained process is also the continuous switching process of material.The interlaced arrangement of inboard drapery panel 64 and outside drapery panel 65, not only make compound constantly be overturn at moving process, prevent the adhesion conglomeration, but also make thermal current hallway and mistake from compound, compound surface is as much as possible contacted with thermal current, increase the heating surface area interchange of heat, simultaneously, can also avoid compound and thermal current the phenomenon of " brushing past " to occur, realize the maximized effect of even interchange of heat and heat exchange.
As shown in Figure 4, the small inclination transition is shifted cabin and is comprised that equally body two ends, Ti， cabin, cabin are respectively supplied materials mouth and discharging opening, is that spiral transmission mechanism 66 is set especially in the body of cabin.Move forward under 66 effects of spiral transmission mechanism after compound origin material mouth enters in the body of cabin, through discharging opening, enter next heated roller.Transmission mechanism can be selected the conveyer of existing conveying worm or other structure.Angle of inclination and material physical parameter that the helical angle of conveying worm shifts cabin according to transition are selected, and conveying worm can be self-powered, also can lean on supports for material down-sliding gravity driven rotary.Cut outside effect, also utilize its elasticity to play the effect of beaing to the glutinous connection of compound group, all be conducive to the pulverizing of the glutinous connection of compound group.
Claims (5)
1. one kind has the reclaimed asphalt mixture heater that cabin is shifted in transition, at least comprise two heated rollers, be provided with flight in each heated roller, it is characterized in that: be provided with transition between adjacent heated roller and shift cabin, dock with an end of front and back heated roller respectively at the two ends in transition transfer cabin, each joint arranges rotary connector, and the first heated roller is provided with charging aperture, and last heated roller is provided with discharge gate.
2. according to claim 1 have a reclaimed asphalt mixture heater that cabin is shifted in transition, it is characterized in that: described rotary connector comprises entrance point, the port of export, turns core and bearing installing plate, turn core and entrance point links together, bearing installing plate and the port of export link together, turn between core and the port of export and turn core and the bearing installing plate between bearing all is set.
3. according to claim 1 have a reclaimed asphalt mixture heater that cabin is shifted in transition, it is characterized in that: described transition is shifted cabin and is comprised cabin body, inboard drapery panel and outside drapery panel, body two ends, cabin are respectively supplied materials mouth and discharging opening, are distributed with inboard drapery panel and the outside drapery panel of interlaced arrangement on the inwall of cabin body.
4. according to claim 3 have a reclaimed asphalt mixture heater that cabin is shifted in transition, it is characterized in that: the internal face of described inboard drapery panel and outside drapery panel and cabin body forms the acute angle that is greater than 60 ℃, and the method phase angle of interior drapery panel and the extended line of outer drapery panel is between ± 15 ℃.
5. according to the reclaimed asphalt mixture heater with transition transfer cabin claimed in claim 1, it is characterized in that: described transition is shifted cabin and is comprised cabin body and transmission mechanism, and body two ends, cabin are respectively supplied materials mouth and discharging opening, in the body of cabin, transmission mechanism are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463691.XU CN203373643U (en) | 2013-08-01 | 2013-08-01 | Reclaimed asphalt mixture heating device with transfer cabins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463691.XU CN203373643U (en) | 2013-08-01 | 2013-08-01 | Reclaimed asphalt mixture heating device with transfer cabins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203373643U true CN203373643U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320463691.XU Expired - Fee Related CN203373643U (en) | 2013-08-01 | 2013-08-01 | Reclaimed asphalt mixture heating device with transfer cabins |
Country Status (1)
| Country | Link |
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| CN (1) | CN203373643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352413A (en) * | 2013-08-01 | 2013-10-16 | 张树生 | Regeneration asphalt mixture heating device with transition transferring cabin |
| CN115506205A (en) * | 2022-09-19 | 2022-12-23 | 广西北投交通养护科技集团有限公司 | Intermittent old material regeneration heating equipment and use method thereof |
-
2013
- 2013-08-01 CN CN201320463691.XU patent/CN203373643U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352413A (en) * | 2013-08-01 | 2013-10-16 | 张树生 | Regeneration asphalt mixture heating device with transition transferring cabin |
| CN103352413B (en) * | 2013-08-01 | 2015-07-08 | 山东大学 | Regeneration asphalt mixture heating device with transition transferring cabin |
| CN115506205A (en) * | 2022-09-19 | 2022-12-23 | 广西北投交通养护科技集团有限公司 | Intermittent old material regeneration heating equipment and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140101 Termination date: 20150801 |
|
| EXPY | Termination of patent right or utility model |