CN203923866U - Infrared radiation and hot blast composite heating type asphalt pavement maintanance truck - Google Patents
Infrared radiation and hot blast composite heating type asphalt pavement maintanance truck Download PDFInfo
- Publication number
- CN203923866U CN203923866U CN201420269001.1U CN201420269001U CN203923866U CN 203923866 U CN203923866 U CN 203923866U CN 201420269001 U CN201420269001 U CN 201420269001U CN 203923866 U CN203923866 U CN 203923866U
- Authority
- CN
- China
- Prior art keywords
- infrared radiation
- hopper
- combustion chamber
- return air
- hot blast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
A kind of infrared radiation and hot blast composite heating type asphalt pavement maintanance truck, it is mainly comprised of automobile chassis, asphalt tank, asphalt regenerative device, mistake hopper, feed mechanism, road-surface heating wall, described asphalt tank is fixedly mounted on automobile chassis, described asphalt regenerative device comprises roller heater and regeneration cylinder, on described roller heater, burner is installed, inside at roller heater is provided with combustion chamber, combustion chamber is internal and external double-layer structure, inner tube is flame zone, is densely covered with air vent in inner tube; On outer tube, be provided with return air inlet, return air inlet is connected with the outlet of cylinder circulating fan by pipeline; The port of export of combustion chamber is connected with the infrared radiation generator that is arranged on regeneration cylinder inside, infrared radiation generator is cone structure, by infrared rays generating material, made, inside is provided with guide vane, the end of infrared radiation generator is provided with current equalizer, current equalizer is cellular structure, is evenly distributed with circular hole on it; It has the advantages such as heating is soft, the thermal efficiency is high, energy-conservation for asphalt pavement regeneration maintenance.
Description
Technical field
The utility model relates to a kind of infrared radiation and hot blast composite heating type asphalt pavement maintanance truck, belong to Heat-recycling Maintenance Equipment for Asphalt Pavement technical field.
Background technology
China has built the huge flexible pavement of mileage open to traffic, flexible pavement in use, inevitably exist the repairing and the maintenance work that occur after disease (as hole groove, check crack, depression etc.), hot regeneration maintenance car is a kind of of asphalt pavement maintenance machine tool, it adopts flexible pavement heating pad wall to carry out thermoplastic to disease road surface, through entering again in hot regenerating unit after digging pine and digging, regenerated by road surface after thermal softening, recover the pavement performance of bituminous mixture, reach the object of pavement patching maintenance.
Chinese patent 200810011177.6 discloses a kind of hot air type asphalt surface hot reproduction repairing vehicle, it is provided with a hot-blast stove on automobile chassis, the outlet of hot-blast stove is connected with a hot-air distributor, the hot blast that hot-air distributor is sent hot-blast stove by hot-blast pipe line offers respectively bituminous concrete thermal regeneration device and flexible pavement heating pad wall, due to hot-blast stove and the distance that is arranged between the flexible pavement heating pad wall of vehicle caudal end larger, hot-blast pipe line is longer, thermal loss is more, firing rate is also undesirable, cause Regrowth yield lower, operating efficiency is not high.In addition, because the hot blast temperature of hot-blast stove outlet is up to 600-700 ℃, there is aging and situation coking surpassing in pitch at more than 220 ℃ temperature, and the reclaimed asphalt mixture of producing is of low quality, and caking property is poor.
Chinese patent 201010107235.2 discloses a kind of heated air circulation type regeneration repairing vehicle, the air outlet of its hot-blast stove is connected with a bituminous concrete heating hot blast ejector in being located at bituminous concrete thermal regeneration device, and the jet end face of bituminous concrete heating hot blast ejector is the inclined-plane from the horizontal by sharp angle α (30～50 °), on flexible pavement heating pad wall, be respectively arranged with left flexible pavement heating cabinet and right flexible pavement heating cabinet, left, on right flexible pavement heating cabinet, be respectively equipped with a heating pad wall hot-blast stove and the heating cabinet spray hot wind device being connected with heating pad wall hot-blast stove, make a left side, right flexible pavement heating cabinet becomes separately independently heater, this technical scheme has solved that in Chinese patent 200810011177.6, to adopt hot-air distributor to bituminous concrete thermal regeneration device and flexible pavement heating pad wall, to supply with the thermal loss that hot blast brings excessive simultaneously, ineffective problem, flexible pavement heating pad wall adopts independently heating pad wall hot-blast stove to carry out heat supply, improved the firing rate on road surface, but still exist high-temperature hot-air excess Temperature, easily cause the problem of the aging and coking of ground surface material.
Utility model content
The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and a kind of efficient energy-saving, infrared radiation and hot blast composite heating type asphalt pavement maintanance truck rational in infrastructure are provided.
In order to solve the problems of the technologies described above, the utility model provides a kind of infrared radiation and hot blast composite heating type asphalt pavement maintanance truck, it is mainly by automobile chassis, asphalt tank, asphalt regenerative device, cross hopper, feed mechanism, road-surface heating wall forms, described asphalt tank is fixedly mounted on automobile chassis, described asphalt regenerative device comprises roller heater and regeneration cylinder, on described roller heater, burner is installed, inside at roller heater is provided with combustion chamber, combustion chamber is internal and external double-layer structure, inner tube is flame zone, in inner tube, be densely covered with air vent, on outer tube, be provided with return air inlet, return air inlet is connected with the outlet of cylinder circulating fan by pipeline, the port of export of combustion chamber is connected with the infrared radiation generator that is arranged on regeneration cylinder inside, infrared radiation generator is cone structure, by infrared rays generating material, made, inside is provided with guide vane, the end of infrared radiation generator is provided with current equalizer, current equalizer is cellular structure, is evenly distributed with circular hole on it.
Described regeneration cylinder is the tubular construction of two ends tapered middle circle, the two ends of regeneration cylinder are provided with support raceway, middle part is provided with gear ring, on automobile chassis, be installed with support roller, contact with the support raceway of described regeneration cylinder, on automobile chassis, hard-wired drum drive is meshed with the gear ring of described regeneration cylinder.
The end of described regeneration cylinder is socketed in the body structure of Plate Welding and crosses hopper, the described top of crossing hopper is provided with charging aperture, be provided with can opening and closing feeding gate, cross hopper inside and be provided with feed well and blow tank, cross on hopper, be provided with in addition coordinate with blow tank can opening and closing discharge door; Cross and on hopper, be also provided with return air outlet, and be connected with the import of the cylinder circulating fan of asphalt regenerative device.
Described hopper one side of crossing is provided with feed mechanism, and this feed mechanism comprises stock shelf and hopper; Feeding gate in described hopper excessively and discharge door are by hydraulic jack opening and closing.
Described road-surface heating wall is comprised of road heater, plenum chamber, homogenizing plate, case, heating pad wall circulating fan, road heater is oblique triangle structure, end is provided with burner, and the inside of road heater is provided with combustion chamber, is provided with return air inlet on combustion chamber; The port of export of combustion chamber is connected with the entrance point of plenum chamber, and the inside of plenum chamber is provided with distributing plate, and the bottom of plenum chamber is provided with homogenizing plate, is provided with circular hole on homogenizing plate; Described plenum chamber and homogenizing plate all have infrared rays generating material to make; The outside of plenum chamber is provided with case, between case and plenum chamber, form annular return air space, on case, be provided with return air outlet, and be connected with the import of heating pad wall circulating fan, the outlet of heating pad wall circulating fan is connected by the return air inlet on the combustion chamber of pipeline and described road heater.
Preferably, the fuel of described burner is light diesel fuel or natural gas.
Preferably, described infrared rays generating material is Langaloy material.
Preferably, the described feeding gate of described hopper excessively and described discharge door are by hydraulic jack opening and closing.
The utility model adopts infrared radiation and hot blast composite heating technology respectively waste asphalt mixture and damaged road surface to be carried out to thermal regeneration, infrared radiation can effectively improve firing rate, compare with the repairing car of original single employing Hot-blast Heating technology, first the most of heat producing due to burner has been delivered to infrared rays generating material, hot blast temperature for heated asphalt compound is moderate, be about 250-300 ℃ of left and right, it is lower that calorific intensity is compared original technology, heat soft, bituminous mixture is difficult for coking carbonization in being subject to thermal process, can guarantee the quality of the bituminous mixture that bears again, extend the application life after maintenance of surface.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model infrared radiation and hot blast composite heating type asphalt pavement maintanance truck;
Fig. 2 is asphalt regenerative device of the present utility model and crosses the mounting structure schematic diagram of hopper on automobile chassis vehicle frame;
Fig. 3 is the schematic diagram such as side such as axle such as grade of hopper excessively of the present utility model;
Fig. 4 is the sectional view of crossing hopper of the present utility model;
Working state schematic representation when Fig. 5 is feed mechanism material loading of the present utility model;
Fig. 6 is the working state schematic representation of road-surface heating wall of the present utility model;
Fig. 7 is that the plenum chamber of road-surface heating wall of the present utility model and homogenizing plate are at the exploded perspective view waiting under axle side state;
Description of reference numerals:
| 1-automobile chassis; | 2-asphalt tank; | 3-asphalt regenerative device; |
| 4-mistake hopper; | 5-feed mechanism; | 6-road-surface heating wall; |
| 31-roller heater; | 311-burner; | 312-combustion chamber; |
| 32-regeneration cylinder; | 321-infrared radiation generator; | 322-guide vane; |
| 323-current equalizer; | 324-gear ring; | 325-support raceway; |
| 326-support roller; | 327-drum drive; | 33-cylinder circulating fan; |
| 41-charging aperture; | 42-feeding gate; | 43-feed well; |
| 44-blow tank; | 45-discharge door; | The outlet of 46-return air; |
| 51-stock shelf; | 52-hopper; | 61-road heater; |
| 611-burner; | 612-combustion chamber; | 62-plenum chamber; |
| 621-distributing plate; | 63-homogenizing plate; | 64-case; |
| 65-heating pad wall circulating fan; |
The specific embodiment
for above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is done further to describe in detail.
Referring to Fig. 1, 2, infrared radiation described in the utility model and hot blast composite heating type asphalt pavement maintanance truck, mainly by automobile chassis 1, asphalt tank 2, asphalt regenerative device 3, cross hopper 4, feed mechanism 5, road-surface heating wall 6 forms, described asphalt tank 2 is fixedly mounted on automobile chassis 1, described asphalt regenerative device 3 comprises roller heater 31 and regeneration cylinder 32, on described roller heater 31, burner 311 is installed, in the inside of roller heater 31, be provided with combustion chamber 312, combustion chamber 312 is internal and external double-layer structure, inner tube is flame zone, in inner tube, be densely covered with air vent, on outer tube, be provided with return air inlet, return air inlet is connected with the outlet of cylinder circulating fan 33 by pipeline, the port of export of combustion chamber 312 is connected with the infrared radiation generator 321 that is arranged on regeneration cylinder 32 inside, infrared radiation generator 321 is cone structure, by infrared rays generating material, made, inside is provided with guide vane 322, the end of infrared radiation generator 321 is provided with current equalizer 323, current equalizer 323 is cellular structure, is evenly distributed with circular hole on it.Described regeneration cylinder 32 is the tubular construction of two ends tapered middle circle, the two ends of regeneration cylinder 32 are provided with supports raceway 325, middle part is provided with gear ring 324, on automobile chassis 1, be installed with support roller 326, contact with the support raceway 325 of described regeneration cylinder 32, on automobile chassis 1, hard-wired drum drive 327 is meshed with the gear ring 324 of described regeneration cylinder 32.
Referring to Fig. 3,4, the described body structure that hopper 4 is Plate Welding excessively, be socketed in the end of described regeneration cylinder 32, its top is provided with charging aperture 41, be provided with can opening and closing feeding gate 42, cross hopper 4 inside and be provided with feed well 43 and blow tank 44, cross on hopper 4, be provided with in addition coordinate with blow tank 44 can opening and closing discharge door 45.Cross and on hopper 4, be also provided with return air outlet 46, and be connected with the import of the cylinder circulating fan 33 of asphalt regenerative device 3.
Referring to Fig. 5, described feed mechanism 5 is arranged on a described side of crossing hopper 4, comprises stock shelf 51 and hopper 52.
Referring to Fig. 6-Fig. 7, described road-surface heating wall 6 is comprised of road heater 61, plenum chamber 62, homogenizing plate 63, case 64, heating pad wall circulating fan 65, road heater 61 is oblique triangle structure, end is provided with burner 611, the inside of road heater 61 is provided with combustion chamber 612, on combustion chamber 612, is provided with return air inlet; The port of export of combustion chamber 612 is connected with the entrance point of plenum chamber 62, and the inside of plenum chamber 62 is provided with distributing plate 621, and the bottom of plenum chamber 62 is provided with homogenizing plate 63, on homogenizing plate 63, is provided with circular hole.Plenum chamber 62 and homogenizing plate 63 all have infrared rays generating material to make.The outside of plenum chamber 62 is provided with case 64, between case 64 and plenum chamber 62, form annular return air space, on case 64, be provided with return air outlet, and be connected with the import of heating pad wall circulating fan 65, the outlet of heating pad wall circulating fan 65 is connected by the return air inlet on the combustion chamber 612 of pipeline and described road heater 61.
Preferably, described burner 311 and 611 fuel are light diesel fuel or natural gas.
Preferably, described infrared rays generating material is Langaloy material.
Preferably, the described feeding gate 42 of described hopper 4 excessively and described discharge door 45 are by hydraulic jack opening and closing.
Operating principle of the present utility model is:
The waste asphalt mixture that needs are regenerated is by manually packing into after the hopper 52 of feed mechanism 5, opened the feeding gate 42 at hopper 4 tops, and operate stock shelf 51 and rise, hopper 52 is lifted to higher than the height of crossing the charging aperture 41 of hopper 4, hopper 52 upsets, waste asphalt mixture was poured into the charging aperture 41 at hopper 4 tops, via the feed well 43 of crossing hopper 4 inside, slip in the regeneration cylinder 32 of asphalt regenerative device 3, open the burner 311 of roller heater 31, infrared radiation generator 321 in the flame calcination regeneration cylinder 32 that burner 311 produces, after being heated, infrared rays generating material launches infrared rays, infrared radiation is gone out the waste asphalt mixture in regeneration cylinder 32 is heated, simultaneously, the high-temperature hot-air that burner 311 produces is by the guide vane 322 of infrared radiation generator 321 inside, blow to uniformly the current equalizer 323 that is arranged on infrared radiation generator 321 ends, and enter regeneration cylinder 32 inside by the circular hole on current equalizer 323, waste asphalt mixture in regeneration cylinder 32 is carried out to reheat.After waste asphalt mixture in transferring heat to regeneration cylinder 32, hot blast temperature is down to below 200 ℃, by cylinder circulating fan 33, from the return air outlet 46 of crossing hopper 41, drawn back to the outer tube of the combustion chamber 312 of roller heater 31, burned device flame heats again, realizes the recycling of return air residual heat.The mode of infrared radiation and hot blast composite heating, the heat that burner is produced can be effectively utilized, and improves the efficiency of heating surface, reaches the effect of energy-saving and emission-reduction.
While utilizing 6 pairs of flexible pavements of road-surface heating wall to carry out thermal regeneration, open the burner 611 of road heater 61, the flame that burner 611 produces is at the interior high-temperature hot-air that produces 600-800 ℃ in the combustion chamber 612 of road heater 61, outlet by combustion chamber 612 enters plenum chamber 62, under the effect of distributing plate 621, at the uniform hot-air flow of the interior formation of plenum chamber 62, the homogenizing plate 63 of installing due to plenum chamber 62 and plenum chamber 62 bottoms is infrared rays generating material and makes, at high like this temperature, be heated and launch a large amount of infrared rays, can heat flexible pavement, in addition, high-temperature hot-air can spray to flexible pavement uniformly by the circular hole on homogenizing plate 63, also can carry out reheat to flexible pavement, the hot blast temperature that heat is passed to respectively after plenum chamber 62 and flexible pavement is reduced to below 200 ℃, through the annular return air space between plenum chamber 62 and case 64, from the return air outlet of case 64, be heated 65 extractions of wall circulating fan, draw back to the return air inlet of the combustion chamber 612 of road heater 61, burned device flame heats again, realize the recycling of return air residual heat.
Disclosed is above only preferred embodiment of the present utility model; but the utility model is not limited thereto; any those skilled in the art can think there is no a creationary variation; and do not departing from any improvements and modifications of doing under the utility model prerequisite, within all should dropping on protection domain of the present utility model.
Claims (7)
1. infrared radiation and hot blast composite heating type asphalt pavement maintanance truck, it is mainly comprised of automobile chassis, asphalt tank, asphalt regenerative device, mistake hopper, feed mechanism, road-surface heating wall, described asphalt tank is fixedly mounted on automobile chassis, described asphalt regenerative device comprises roller heater and regeneration cylinder, on described roller heater, burner is installed, inside at roller heater is provided with combustion chamber, combustion chamber is internal and external double-layer structure, inner tube is flame zone, is densely covered with air vent in inner tube; On outer tube, be provided with return air inlet, return air inlet is connected with the outlet of cylinder circulating fan by pipeline; The port of export of combustion chamber is connected with the infrared radiation generator that is arranged on regeneration cylinder inside, infrared radiation generator is cone structure, by infrared rays generating material, made, inside is provided with guide vane, the end of infrared radiation generator is provided with current equalizer, current equalizer is cellular structure, is evenly distributed with circular hole on it.
2. infrared radiation according to claim 1 and hot blast composite heating type asphalt pavement maintanance truck, it is characterized in that described regeneration cylinder is the tubular construction of two ends tapered middle circle, the two ends of regeneration cylinder are provided with support raceway, middle part is provided with gear ring, on automobile chassis, be installed with support roller, contact with the support raceway of described regeneration cylinder, on automobile chassis, hard-wired drum drive is meshed with the gear ring of described regeneration cylinder.
3. infrared radiation according to claim 1 and 2 and hot blast composite heating type asphalt pavement maintanance truck, its feature is socketed in the body structure of Plate Welding and crosses hopper at the end of described regeneration cylinder, the described top of crossing hopper is provided with charging aperture, be provided with can opening and closing feeding gate, cross hopper inside and be provided with feed well and blow tank, cross on hopper, be provided with in addition coordinate with blow tank can opening and closing discharge door; Cross and on hopper, be also provided with return air outlet, and be connected with the import of the cylinder circulating fan of asphalt regenerative device.
4. infrared radiation according to claim 3 and hot blast composite heating type asphalt pavement maintanance truck, is characterized in that described hopper one side of crossing is provided with feed mechanism, and this feed mechanism comprises stock shelf and hopper; Feeding gate in described hopper excessively and discharge door are by hydraulic jack opening and closing.
5. infrared radiation according to claim 1 and hot blast composite heating type asphalt pavement maintanance truck, it is characterized in that described road-surface heating wall is comprised of road heater, plenum chamber, homogenizing plate, case, heating pad wall circulating fan, road heater is oblique triangle structure, end is provided with burner, the inside of road heater is provided with combustion chamber, is provided with return air inlet on combustion chamber; The port of export of combustion chamber is connected with the entrance point of plenum chamber, and the inside of plenum chamber is provided with distributing plate, and the bottom of plenum chamber is provided with homogenizing plate, is provided with circular hole on homogenizing plate; Described plenum chamber and homogenizing plate all have infrared rays generating material to make; The outside of plenum chamber is provided with case, between case and plenum chamber, form annular return air space, on case, be provided with return air outlet, and be connected with the import of heating pad wall circulating fan, the outlet of heating pad wall circulating fan is connected by the return air inlet on the combustion chamber of pipeline and described road heater.
6. infrared radiation according to claim 1 and hot blast composite heating type asphalt pavement maintanance truck, is characterized in that burner and the burner in road-surface heating wall in described asphalt regenerative device adopts light diesel fuel or natural gas as fuel.
7. infrared radiation according to claim 5 and hot blast composite heating type asphalt pavement maintanance truck, is characterized in that described infrared rays generating material is Langaloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269001.1U CN203923866U (en) | 2014-05-26 | 2014-05-26 | Infrared radiation and hot blast composite heating type asphalt pavement maintanance truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269001.1U CN203923866U (en) | 2014-05-26 | 2014-05-26 | Infrared radiation and hot blast composite heating type asphalt pavement maintanance truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203923866U true CN203923866U (en) | 2014-11-05 |
Family
ID=51819721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420269001.1U Withdrawn - After Issue CN203923866U (en) | 2014-05-26 | 2014-05-26 | Infrared radiation and hot blast composite heating type asphalt pavement maintanance truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203923866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993549A (en) * | 2014-05-26 | 2014-08-20 | 浙江美通筑路机械股份有限公司 | Infrared radiation and hot air composite heating asphalt pavement maintenance truck |
| CN106012784A (en) * | 2016-07-15 | 2016-10-12 | 山西省交通科学研究院 | Stress absorption band preparing and paving device |
-
2014
- 2014-05-26 CN CN201420269001.1U patent/CN203923866U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993549A (en) * | 2014-05-26 | 2014-08-20 | 浙江美通筑路机械股份有限公司 | Infrared radiation and hot air composite heating asphalt pavement maintenance truck |
| CN103993549B (en) * | 2014-05-26 | 2016-03-09 | 浙江美通筑路机械股份有限公司 | A kind of infrared radiation and hot blast composite heating type asphalt pavement maintanance truck |
| CN106012784A (en) * | 2016-07-15 | 2016-10-12 | 山西省交通科学研究院 | Stress absorption band preparing and paving device |
| CN106012784B (en) * | 2016-07-15 | 2018-02-02 | 山西省交通科学研究院 | A kind of stress absorption band prepares and making device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103993549B (en) | A kind of infrared radiation and hot blast composite heating type asphalt pavement maintanance truck | |
| CN206233064U (en) | One kind insulation hopper and Hot-blast Heating type asphalt pavement maintanance truck | |
| CN206279426U (en) | A kind of heat-regenerating paver of asphalt pavement | |
| CN103147381B (en) | Asphalt pavement in-place hot recycling heating device | |
| CN205368958U (en) | Bituminous mixture heating mix device that regeneration of bituminous paving heat was cared car | |
| CN203923866U (en) | Infrared radiation and hot blast composite heating type asphalt pavement maintanance truck | |
| CN208023383U (en) | A kind of modularization subregion heated air circulation type asphalt pavement heater | |
| CN104612029B (en) | Road surface hot recycling hot air circulation leveled heating device | |
| CN202912898U (en) | Continuous totally closed double-furnace chamber tunnel-type carbonization furnace | |
| CN205636449U (en) | Asphalt pavement recycling ware | |
| CN205740371U (en) | Activated carbon retorting carbonization device | |
| CN108086123B (en) | Modularized zoned hot air circulation type asphalt pavement heater | |
| CN205839532U (en) | Based on the asphalt pavement material regenerating unit that vertical heating and tail gas recycle are combustion-supporting | |
| CN201762647U (en) | Bituminous pavement maintenance heating device | |
| CN205133512U (en) | Continuous type pyrolysis recovery system | |
| CN205133511U (en) | Continuous type pyrolysis is retrieved and is used hot air circulating system | |
| CN204455764U (en) | A kind of dual-use with gasoline and electricity hot oil heater of pavement construction vehicle | |
| CN205420967U (en) | A reclaimed asphalt mixture heating and drying section of thick bamboo | |
| CN106012762B (en) | Based on vertical heating and tail gas recycle combustion-supporting asphalt pavement material renovation process and device | |
| CN203393592U (en) | Microwave heating vehicle for asphalt pavement | |
| CN204939384U (en) | A kind of combustible gas reclaims pyrolysis charring device fast | |
| CN104449771B (en) | Retorting machine charcoal production system is heated outside a kind of continous way | |
| CN202865156U (en) | Carbon black high temperature cracking furnace with gas inlet at top | |
| CN106012763A (en) | Asphalt waste material heating and regenerating equipment and processing method thereof | |
| CN201206235Y (en) | Silo heat conducting oil heating apparatus for pavement maintenance truck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |