CN102518020B - Asphalt mixture thermal regeneration equipment and combustion device - Google Patents
Asphalt mixture thermal regeneration equipment and combustion device Download PDFInfo
- Publication number
- CN102518020B CN102518020B CN201110430935.XA CN201110430935A CN102518020B CN 102518020 B CN102518020 B CN 102518020B CN 201110430935 A CN201110430935 A CN 201110430935A CN 102518020 B CN102518020 B CN 102518020B
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- Prior art keywords
- burner
- inner core
- guide shell
- asphalt mixture
- flame
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- 239000010426 asphalt Substances 0.000 title claims abstract description 29
- 230000008929 regeneration Effects 0.000 title claims abstract description 24
- 238000011069 regeneration method Methods 0.000 title claims abstract description 24
- 239000000203 mixture Substances 0.000 title claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 title abstract 2
- 239000007789 gas Substances 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims description 27
- 239000002912 waste gas Substances 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 2
- 239000000112 cooling gas Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 239000003245 coal Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/84—Flame spreading or otherwise shaping
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/02—Disposition of air supply not passing through burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D91/00—Burners specially adapted for specific applications, not otherwise provided for
- F23D91/02—Burners specially adapted for specific applications, not otherwise provided for for use in particular heating operations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L5/00—Blast-producing apparatus before the fire
- F23L5/04—Blast-producing apparatus before the fire by induction of air for combustion, e.g. using steam jet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/07022—Delaying secondary air introduction into the flame by using a shield or gas curtain
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention provides a combustion device, which comprises a combustor and a guide cylinder sleeved on a nozzle of the combustor, wherein the guide cylinder is used for guiding flame generated by the combustor and introducing cooling gas to form a layer of high-speed gas curtain on the outer ring of the flame. Compared with the prior art, the high-speed air curtain formed on the outer ring of the flame can reduce the radiation aging of the high-temperature flame to the heated object. The invention also provides asphalt mixture thermal regeneration equipment.
Description
Technical field
The present invention relates to a kind of burner, the burner that particularly a kind of hot reclaim equiment is used.
Background technology
Asphalt mixture heat regeneration is by damaged old asphalt pavement, through milling, dig, form old asphalt mixture after fragmentation, then carries out thermal regeneration.Last again by certain match ratio, and new pitch, the material such as gather materials stir and form new bituminous mixture.In old asphalt material thermal regeneration process, there is the emission problem of high temperature ageing and glance coal.
Summary of the invention
The present invention aims to provide a kind of improved asphalt mixture heat regeneration equipment and burner.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of burner is provided, comprises burner and be sheathed on the guide shell on the spout of described burner, the flame that described guide shell produces for guiding described burner, and in described flame outer ring, form one deck air curtain at a high speed for introducing refrigerating gas.
Preferably, described guide shell comprises one end of being sheathed on described burner nozzle and the other end relative with described one end, and described air curtain is formed at the flame outer ring that described burner emerges from the described other end of described guide shell.
Preferably, described guide shell comprises that one end is sheathed on the inner core on the spout of described burner and the annular compartment that is centered around described inner core periphery, described annular compartment comprises air intake and air outlet, described air outlet is the one end away from described burner ringwise and around described inner core, with the flame outer ring of emerging from the described other end of described inner core at described burner, forms described air curtain.
Preferably, the flame guiding direction towards with described inner core of described air outlet is parallel.
Preferably, described guide shell comprises the urceolus being sheathed on outside described inner core, and the internal face of described urceolus and the outside wall surface of described inner core define described annular compartment.
Preferably, described annular compartment is one side closed near described burner, away from a side of described burner, opens wide, and this side of opening wide forms described air outlet.
Preferably, described air intake is opened on described urceolus.
A kind of asphalt mixture heat regeneration equipment is also provided, comprise drying roller, burner and be arranged at described drying roller and described burner between guide shell, described guide shell imports described drying roller for the flame that described burner is produced, and in described flame outer ring, forms one deck air curtain at a high speed for introducing refrigerating gas.
Preferably, described guide shell comprises one end of being sheathed on described burner nozzle and relative with described one end and extend into the other end in described drying roller, and described air curtain is formed at the flame outer ring that described burner emerges from the described other end of described guide shell.
Preferably, described guide shell comprises inner core and around the annular compartment of described inner core; Described inner core one end is sheathed on the spout of described burner, and the other end extend in described drying roller; Described annular compartment comprises air intake and air outlet, and described air outlet ringwise and around the described other end of described inner core, forms described air curtain with the flame outer ring of emerging from the described other end of described inner core at described burner.
Preferably, the flame guiding direction towards with described inner core of described air outlet is parallel.
Preferably, described guide shell comprises the urceolus being sheathed on outside described inner core, and the internal face of described urceolus and the outside wall surface of described inner core define described annular compartment.
Preferably, described annular compartment is one side closed near described burner, away from a side of described burner, opens wide, and this side of opening wide forms described air outlet.
Preferably, described air intake is opened on described urceolus.
Preferably, described asphalt mixture heat regeneration equipment also comprises the waste gas introducing pipeline being connected with described air intake, and this waste gas is introduced pipeline for the waste gas of described drying roller discharge is incorporated into described annular compartment.
Preferably, the two ends of described waste gas introducing pipeline are connected with the smoke box of described air intake and described drying roller afterbody respectively.
Compare with correlation technique, owing to having increased guide shell, introduce refrigerating gas at flame outer ring formation one deck air curtain at a high speed, can reduce the radiative aging of thermal-flame to heating object.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of the asphalt mixture heat regeneration equipment in some embodiments of the invention.
Fig. 2 is that the A-A of the guide shell shown in Fig. 1 is to cross-sectional view.
The specific embodiment
Below in conjunction with specific embodiment and Figure of description, the present invention is described in further details.
Fig. 1 shows the asphalt mixture heat regeneration equipment 1 in some embodiment of invention, and it can comprise drying roller 10, burner 20 and guide shell 30.Guide shell 30 is arranged between drying roller 10 and burner 20, its one end is sheathed on the spout 21 of burner 20, the other end extend in drying roller, imports drying roller 10 the old asphalt material in drying roller 10 is heated for the flame that burner 20 is produced.Guide shell 30 also forms one deck air curtain at a high speed for introducing the flame outer ring that refrigerating gas emerges from the above-mentioned other end of guide shell 30 at burner 20, to reduce the radiative aging of thermal-flame to old asphalt material.Burner 20 and guide shell 30 coordinate a burner that can reduce thermal-flame radiation hazradial bundle of formation.
As shown in Figures 1 and 2, guide shell 30 can comprise inner core 31 and in certain embodiments around the annular compartment 33 of inner core 31, in inner core 31 some embodiment, can be cylindric, and can adopt the material that heat conductivility is good to make, one end of inner core 31 is sheathed on the spout 21 of burner 20, the other end extend in drying roller 10, with the flame that burner 20 is produced, imports in drying roller 10.Annular compartment 33 comprises air intake 330 and air outlet 332, and air outlet 332 is ringwise and around the above-mentioned other end of inner core 31 and communicate with in drying roller 10, with the flame outer ring of emerging from the above-mentioned other end of inner core 31 at burner 20, forms above-mentioned air curtain.
In certain embodiments, guide shell 30 also comprises the urceolus 35 being sheathed on outside inner core 31, and it is cylindric that urceolus 35 also can be, and its internal diameter is greater than the external diameter of inner core 31, and the outside wall surface of the internal face of urceolus 35 and inner core 31 defines above-mentioned annular compartment 33.In certain embodiments, inner core 31 is coaxially set-located with urceolus 35, so that annular compartment 33 even thickness.Understandably, in certain embodiments, inner core 31 can coaxially not be set-located with urceolus 35 yet, but correspondingly adjusts according to the position of air intake 330, so that the gas pressure that air outlet is upwards discharged for 332 weeks is relatively even.
Again as shown in the figure, in certain embodiments, annular compartment 33 seals by a ring sealing plate 37 near a side of burner 20, and opens wide away from a side of burner 20, and this side of opening wide forms air port 332.The air intake of annular compartment 33 is opened on urceolus 35, so that refrigerating gas is upwards incorporated into annular compartment 33 from footpath.Ring sealing plate 37 also partially enclosed inner core 31, near one end of burner 20, and is set on the spout 21 of burner 20, thereby inner core 31 is connected with burner 20.
In certain embodiments, asphalt mixture heat regeneration equipment 1 also can comprise waste gas introducing pipeline 40, this waste gas is introduced pipeline 40 and is connected with the air intake 330 of annular compartment 33, for the waste gas of drying roller 10 discharges is incorporated into described annular compartment 33 as refrigerating gas, the temperature of this waste gas probably 130 ℃ of left and right, can realize the effect of cooling inner core 31 in certain embodiments.In certain embodiments, the two ends that waste gas is introduced pipeline 40 are connected with air intake 330 and the smoke box (not shown) that is arranged in drying roller 10 afterbodys respectively.
Understandably, because old asphalt material is in thermal regeneration process, when asphalt temperature is elevated to a certain degree and contacts with steam, just can produce " distillation " effect, produce a large amount of glance coals, claim again " blue cigarette ".This glance coal contains a kind of carcinogen-BaP.These glance coals are all blended in the waste gas of drying roller 10 discharges, if these waste gas directly discharge, certainly will damage environment.And above-mentioned asphalt mixture heat regeneration equipment 1 is using the waste gas of drying roller 10 as cooling inner core 31 and the refrigerating gas that forms air curtain, an one aspect can utilize air-introduced machine (not shown) that toxic emission uses directly to guide shell 30 air feed, saves extra air supply system; Can make on the other hand the glance coal in waste gas burn in flame, both reduce the discharge of pernicious gas, save mass energy, possess significant environment benefits and economic gains.
It is also understood that ground, in certain embodiments, the burner that burner 20 and guide shell 30 form is not limited to and is applied in asphalt mixture heat regeneration equipment 1, and it also can be applied in other equipment that need similar functions.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. a burner, comprise burner, it is characterized in that, this burner also comprises the guide shell on the spout that is sheathed on described burner, the flame that described guide shell produces for guiding described burner, and in described flame outer ring, form one deck air curtain at a high speed for introducing refrigerating gas, described guide shell comprises that one end is sheathed on the inner core on the spout of described burner and the annular compartment that is centered around described inner core periphery, described annular compartment comprises air intake and air outlet, described air outlet is ringwise and around the other end away from described burner of described inner core, with the flame outer ring of emerging from the described other end of described inner core at described burner, form described air curtain.
2. burner according to claim 1, it is characterized in that, described guide shell comprises one end of being sheathed on described burner nozzle and the other end relative with described one end, and described air curtain is formed at the flame outer ring that described burner emerges from the described other end of described guide shell.
3. burner according to claim 1, is characterized in that, described guide shell comprises the urceolus being sheathed on outside described inner core, and the internal face of described urceolus and the outside wall surface of described inner core define described annular compartment.
4. burner according to claim 3, is characterized in that, described annular compartment is one side closed near described burner, away from a side of described burner, opens wide, and this side of opening wide forms described air outlet.
5. burner according to claim 4, is characterized in that, described air intake is opened on described urceolus.
6. an asphalt mixture heat regeneration equipment, comprise drying roller and burner, it is characterized in that, described asphalt mixture heat regeneration equipment also comprises the guide shell being arranged between described drying roller and described burner, described guide shell imports described drying roller for the flame that described burner is produced, and in described flame outer ring, forming one deck air curtain at a high speed for introducing refrigerating gas, described guide shell comprises inner core and around the annular compartment of described inner core; Described inner core one end is sheathed on the spout of described burner, and the other end extend in described drying roller; Described annular compartment comprises air intake and air outlet, and described air outlet ringwise and around the described other end of described inner core, forms described air curtain with the flame outer ring of emerging from the described other end of described inner core at described burner.
7. asphalt mixture heat regeneration equipment according to claim 6, it is characterized in that, described guide shell comprises one end of being sheathed on described burner nozzle and relative with described one end and extend into the other end in described drying roller, and described air curtain is formed at the flame outer ring that described burner emerges from the described other end of described guide shell.
8. asphalt mixture heat regeneration equipment according to claim 6, is characterized in that, described guide shell comprises the urceolus being sheathed on outside described inner core, and the internal face of described urceolus and the outside wall surface of described inner core define described annular compartment.
9. asphalt mixture heat regeneration equipment according to claim 8, is characterized in that, described annular compartment is one side closed near described burner, away from a side of described burner, opens wide, and this side of opening wide forms described air outlet.
10. asphalt mixture heat regeneration equipment according to claim 9, is characterized in that, described air intake is opened on described urceolus.
11. asphalt mixture heat regeneration equipments according to claim 7, it is characterized in that, described asphalt mixture heat regeneration equipment also comprises the waste gas introducing pipeline being connected with described air intake, and this waste gas is introduced pipeline for the waste gas of described drying roller discharge is incorporated into described annular compartment.
12. asphalt mixture heat regeneration equipments according to claim 11, is characterized in that, the two ends that described waste gas is introduced pipeline are connected with the smoke box of described air intake and described drying roller afterbody respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430935.XA CN102518020B (en) | 2011-12-20 | 2011-12-20 | Asphalt mixture thermal regeneration equipment and combustion device |
| PCT/CN2012/082092 WO2013091421A1 (en) | 2011-12-20 | 2012-09-26 | Thermal regeneration equipment and combustion device for asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430935.XA CN102518020B (en) | 2011-12-20 | 2011-12-20 | Asphalt mixture thermal regeneration equipment and combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518020A CN102518020A (en) | 2012-06-27 |
| CN102518020B true CN102518020B (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110430935.XA Active CN102518020B (en) | 2011-12-20 | 2011-12-20 | Asphalt mixture thermal regeneration equipment and combustion device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102518020B (en) |
| WO (1) | WO2013091421A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518020B (en) * | 2011-12-20 | 2014-03-12 | 中联重科股份有限公司 | Asphalt mixture thermal regeneration equipment and combustion device |
| CN104131506B (en) * | 2014-06-25 | 2016-12-07 | 湖南三一路面机械有限公司 | A kind of hot recycling equipment |
| CN105755931B (en) * | 2016-04-29 | 2018-02-16 | 中山市易路美道路养护科技有限公司 | A kind of hot recycling equipment |
| CN109595568B (en) * | 2018-12-11 | 2020-04-03 | 江苏普蓝特节能技术有限公司 | High-purity waste ammonia gas incinerator, system and process |
| CN110280075B (en) * | 2019-01-31 | 2023-09-15 | 河南亚龙智能装备有限公司 | Asphalt reclaimed material heating equipment and heat energy utilization method |
| FR3126432B1 (en) * | 2021-08-26 | 2023-08-04 | Argumat | ASPHALT PRODUCTION FACILITY AND ASPHALT MANUFACTURING METHOD IN SUCH ASPHALT PRODUCTION FACILITY |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3147903B2 (en) * | 1993-03-16 | 2001-03-19 | アメリカ合衆国 | Mucosal competitive exclusion flora |
| CN2709502Y (en) * | 2004-01-15 | 2005-07-13 | 凌杰 | Processing device of bitulith regenerated material |
| JP2010090644A (en) * | 2008-10-10 | 2010-04-22 | Nikko Co Ltd | Dryer for regenerating asphalt pavement waste material |
| CN201488267U (en) * | 2009-09-03 | 2010-05-26 | 兰州泰得燃烧设备工程有限公司 | Hot blast stove |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01181223A (en) * | 1988-01-13 | 1989-07-19 | Nec Corp | Buffer circuit |
| JPH0259913A (en) * | 1988-08-26 | 1990-02-28 | Iseki & Co Ltd | Traveling pedal for tractor or the like |
| JPH07103532B2 (en) * | 1989-11-01 | 1995-11-08 | 日工株式会社 | Asphalt plant dryer |
| JPH0959913A (en) * | 1995-08-21 | 1997-03-04 | Nikko Co Ltd | Asphalt-containing material manufacturing equipment |
| JP3909126B2 (en) * | 1997-09-02 | 2007-04-25 | 日工株式会社 | Asphalt compound production equipment |
| CN102518020B (en) * | 2011-12-20 | 2014-03-12 | 中联重科股份有限公司 | Asphalt mixture thermal regeneration equipment and combustion device |
-
2011
- 2011-12-20 CN CN201110430935.XA patent/CN102518020B/en active Active
-
2012
- 2012-09-26 WO PCT/CN2012/082092 patent/WO2013091421A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3147903B2 (en) * | 1993-03-16 | 2001-03-19 | アメリカ合衆国 | Mucosal competitive exclusion flora |
| CN2709502Y (en) * | 2004-01-15 | 2005-07-13 | 凌杰 | Processing device of bitulith regenerated material |
| JP2010090644A (en) * | 2008-10-10 | 2010-04-22 | Nikko Co Ltd | Dryer for regenerating asphalt pavement waste material |
| CN201488267U (en) * | 2009-09-03 | 2010-05-26 | 兰州泰得燃烧设备工程有限公司 | Hot blast stove |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013091421A1 (en) | 2013-06-27 |
| CN102518020A (en) | 2012-06-27 |
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