CN107858892A - The pitch hot-mix plant recycling equipment and technique of a kind of hot wind and microwave composition heating type - Google Patents
The pitch hot-mix plant recycling equipment and technique of a kind of hot wind and microwave composition heating type Download PDFInfo
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- CN107858892A CN107858892A CN201711012821.7A CN201711012821A CN107858892A CN 107858892 A CN107858892 A CN 107858892A CN 201711012821 A CN201711012821 A CN 201711012821A CN 107858892 A CN107858892 A CN 107858892A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 122
- 239000000203 mixture Substances 0.000 title claims abstract description 64
- 238000004064 recycling Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 4
- 239000000463 material Substances 0.000 claims abstract description 78
- 238000003860 storage Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000007791 dehumidification Methods 0.000 claims abstract description 5
- 239000010426 asphalt Substances 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 230000008929 regeneration Effects 0.000 claims description 13
- 238000011069 regeneration method Methods 0.000 claims description 13
- 239000002826 coolant Substances 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 230000002411 adverse Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 238000004939 coking Methods 0.000 abstract description 3
- 230000000505 pernicious effect Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003483 aging Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
Classifications
-
- 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
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a kind of pitch hot-mix plant recycling equipment of hot wind and microwave composition heating type, including feeding system in sequential series, elevator, heating system, storage warehouse, metering device, virgin material adding set, agitated kettle, heating system includes hot air heating apparatus and tunnel type micro wave heater, tunnel type micro wave heater includes distribution device, feeding device, microwave source system, dehumidification system, cooling system, charging aperture, discharging opening and the heating cavity of some series connection, feeding device and passed through out of all series connection heating cavity.The present invention is heated by the way of dual-heated to reworked material, make reworked material through need to only be heated to lower temperature during hot air heating apparatus, it effectively prevent the technical problem for heating uneven, pitch coking, inner wall of rotary drum easy to stick and blade, tunnel type micro wave heater is heated using microwave, make reworked material internal/external heating more uniform, reduce the discharge of pernicious gas.
Description
Technical field
The present invention relates to asphalt material reclaiming field, and in particular to a kind of pitch plantmix of hot wind and microwave composition heating type
Hot recycling equipment and technique.
Background technology
The original processing technology of hot in-plant reclaimed asphalt mixture is to mix the Bituminous concrete surface that bituminous paving milling of failing is got off
Material is closed, is added according to a certain ratio in the agitator of bituminous mixing plant after screened, heating, storage, metering, the new bone with agitator
Material, pitch etc. uniformly after mixing, produce high-quality asphalt.In original heating process, in order to ensure subsequently to stir,
The technological feasibility to pave by old asphalt mixture heating, it is necessary to reach more than 130 DEG C, existing hot-mix plant recycling equipment is main
It is that reclaimed materials is heated using the mode of heat radiation, heat transfer, the mode of heating is mainly entered using high temperature gas flow to reclaimed materials
Row heating, but this mode of heating has many limitations, on the one hand, a large amount of flue gases can be discharged when in heating process,
And due to heating the uneven a large amount of agings for being accompanied by pitch, follow-up pavement performance is influenceed, on the other hand, when Bituminous concrete surface mixes
Close and expect to be heated beyond after 110 DEG C that larger viscosity can be produced, be easily sticked to regenerate on inner wall of rotary drum and blade, it is necessary to artificial timing
Cleaning, reduce production efficiency and mixing quality.
The content of the invention
To solve deficiency of the prior art, the present invention provides a kind of pitch plantmix heat of hot wind and microwave composition heating type again
Generating apparatus, solve and produced in the prior art due to individually being heated by the way of heat radiation, heat transfer to reworked material
The uneven, pitch coking of heating, the technical problem of inner wall of rotary drum easy to stick and blade.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of pitch hot-mix plant recycling equipment of hot wind and microwave composition heating type, including feeding system in sequential series, carry
The machine of liter, heating system, storage warehouse, metering device, virgin material adding set, agitated kettle, it is characterized in that：The heating system includes heat
Air heating device and tunnel type micro wave heater, the hot air heating apparatus include burner, the hot-blast stove, again being sequentially connected
There is tunnel type micro wave heater described in the function of configuration cold wind to be heated using microwave for raw roller, the hot-blast stove.
A kind of pitch hot-mix plant recycling equipment of foregoing hot wind and microwave composition heating type, it is characterized in that：The tunnel type
Microwave heating equipment includes distribution device, feeding device, microwave source system, dehumidification system, cooling system, charging aperture, discharging opening
And the heating cavity of some series connection, the distribution device upper end connect elevator, lower end connection feeding device, the feeding device
By being provided with temperature sensor, the microwave source system inside the heating cavity out of above-mentioned all series connection heating cavity
The microwave heating equipment being disposed on inside each heating cavity, the microwave heating equipment include magnetron, waveguide and power supply.
A kind of pitch hot-mix plant recycling equipment of foregoing hot wind and microwave composition heating type, it is characterized in that：The microwave adds
Thermal is to be separately set in the one side microwave heating equipment at the top of heating cavity either while be arranged at the top of heating cavity
With the two-sided microwave heating equipment of bottom.
A kind of pitch hot-mix plant recycling equipment of foregoing hot wind and microwave composition heating type, it is characterized in that：The dehumidifying system
System includes the branch pipe(tube) of air-introduced machine, main pipeline and each heating cavity of connection, and the air-introduced machine is connected with main pipeline, the supervisor
Each branch pipe(tube) of road series connection.
A kind of pitch hot-mix plant recycling equipment of foregoing hot wind and microwave composition heating type, it is characterized in that：The cooling system
System includes variable-frequency delivery pump, liquid reserve tank, the radiator being sequentially connected in series with some pipelines, is situated between inside the cooling system equipped with cooling
Matter, the cooling medium are water and the mixed liquor of coolant.
A kind of foregoing hot in-plant reclaimed asphalt mixture production equipment, it is characterized in that：The charging aperture and discharging opening are equal
Provided with temperature sensor, microwave suppressor and reworked material detector.
A kind of foregoing hot in-plant reclaimed asphalt mixture production equipment, it is characterized in that：The conveying system includes frequency conversion
Reductor, material-conveying belt and idler machining, the material-conveying belt are polytetrafluoroethylene (PTFE) material, and the carrying roller is ceramics or stainless steel.
A kind of foregoing hot in-plant reclaimed asphalt mixture production equipment, it is characterized in that：The storage bin periphery, which is provided with, to be protected
Warm rock wool, storage bin inner tip are provided with microwave heating equipment, and the microwave heating equipment includes magnetron, waveguide and power supply,
The storage bin is additionally provided with weighing sensor, and the metering device is bucket metering installation or belted electronic balance.
A kind of foregoing hot in-plant reclaimed asphalt mixture production equipment, it is characterized in that：Temperature range in the hot-blast stove
For 450-600 DEG C, the regeneration roller can use concurrent heating adverse current can also be used to heat.
A kind of pitch plantmix hot production technology of hot wind and microwave composition heating type, it is characterized in that：Worked according to following steps：
The reworked material for sieving completion is delivered to elevator by feeding system；
Reworked material is delivered to regeneration roller and is heated to the first preset temperature through hot air heating apparatus by elevator, and described first
Preset temperature is 80-110 DEG C, and heat the reworked material completed through hot air heating apparatus is discharged into by regenerating the discharge port of roller rear end
Into the distribution device of tunnel type micro wave heater；
Distribution device paves reworked material on feeding device, and reworked material is delivered to tunnel type by feeding device through charging aperture
Each heating cavity of microwave heating equipment, the reworked material detector of charging aperture detect that reworked material starts in each heating cavity afterwards
The magnetron in portion sends microwave and reworked material is heated；
When reworked material is heated to the second preset temperature, reworked material is delivered to storage warehouse and stored by feeding device, and described the
Two preset temperatures are 110-160 DEG C；
When needing to add reworked material, reworked material is put into metering device by the emptying door of storage warehouse bottom and weighed,
Reworked material after weighing, which is sent in agitated kettle, to be stirred, with newly gathering materials, miberal powder, pitch in agitated kettle by fully stirring
Mix, form the reclaimed asphalt mixture for meeting pavement performance index.
The beneficial effect that the present invention is reached：
1. the present invention heats by the way of two kinds of mode of heatings are combined to reworked material, reworked material is set to add through hot blast
Only default heating-up temperature (the first preset temperature) need to be arranged to 80-110 DEG C during thermal, it is uneven to effectively prevent heating
The technical problem of even, pitch coking, inner wall of rotary drum easy to stick and blade.Hot-blast stove, hot blast are provided between regeneration roller and burner
Stove provides thermal source by burner, and hot-blast stove is by configuring cold wind by mixing wind temperature control at 450-600 DEG C.Hot-blast stove can be kept away
Exempt from burner combustion direct flame contact old asphalt mixture.If being not provided with hot-blast stove between regeneration roller and burner, burn
Regeneration drums inside is entered in device between temperature, temperature can reach 1000-1300 DEG C, and higher temperature makes ageing of asphalt tight
Weight.
2. tunnel type micro wave heater in the present invention is heated using microwave, microwave heating enough ensure inside reworked material and
It is outside to carry out drying heating simultaneously, avoid the ageing of asphalt on surface, reach regeneration requirements, simultaneously because reworked material internal/external heating compared with
To be uniform so that the adding proportion of reworked material increases, and road is lifted with property, reduce due to reworked material is charred and caused harmful gas
Body, while solve the problems, such as that internal-external temperature difference is excessive after the heating of original regenerating mixture, temperature drop is fast
3. also being provided with microwave heating equipment in storage warehouse, when the time stored in reworked material again storage bin is longer, also may be used
Reworked material is heated by microwave heating equipment.
Brief description of the drawings
Fig. 1 is tunnel type micro wave schematic diagram of heating device of the present invention；
Overall structure figure of the present invention during Fig. 2；
The implication marked in accompanying drawing：
1- feeding systems；2- elevators；3- hot air heating apparatus；4- tunnel type micro wave heaters；5- storage warehouses；6- is counted
Measure device；7- virgin material adding sets；8- agitated kettles；3-1- burners；3-2- hot-blast stoves；3-3- regenerates roller；4-1- clothes fill
Put；4-2- feeding devices；4-3- microwave source systems；4-4- dehumidification systems；4-5- cooling systems；4-6- charging apertures, 4-7- dischargings
Mouthful；4-8- heating cavities；4-4-1- air-introduced machines；4-4-2- main pipelines；4-4-3- branch pipe(tube)s；4-5-2- variable-frequency delivery pumps；4-5-
3- liquid reserve tanks；4-5-1- radiators.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in Fig. 2 a kind of pitch hot-mix plant recycling equipment of hot wind and microwave composition heating type, including confession in sequential series
Material system 1, elevator 2, heating system, storage warehouse 5, metering device 6, the agitated kettle 8 of virgin material adding set 7, it is characterized in that：It is described
Heating system includes hot air heating apparatus 3 and tunnel type micro wave heater 4, and the hot air heating apparatus 3 includes being sequentially connected
Burner 3-1, hot-blast stove 3-2, regeneration roller 3-3, the hot-blast stove 3-2 have configure cold wind function (with the function
Hot-blast stove belong to prior art), the tunnel type micro wave heater 4 is heated using microwave.Feeding system 1, lifting
Machine 2, hot air heating apparatus 3, metering device 6, the agitated kettle 8 of virgin material adding set 7 belong to prior art, are no longer gone to live in the household of one's in-laws on getting married in the present embodiment
State.
As shown in figure 1, a kind of pitch hot-mix plant recycling equipment of foregoing hot wind and microwave composition heating type, it is characterized in that：
The tunnel type micro wave heater 4 include distribution device 4-1, feeding device 4-2, microwave source system 4-3, dehumidification system 4-4,
Cooling system 4-5, charging aperture 4-6, discharging opening 4-7 and the heating cavity of some series connection 4-8, the distribution device 4-1 upper ends connect
Elevator 2 is connect, lower end connects feeding device 4-2, the feeding device 4-2 and led to out of above-mentioned all series connection heating cavity 4-8
Cross, be provided with temperature sensor inside the heating cavity 4-8, for detecting the temperature of reworked material, the microwave source system 4-3 is
The microwave heating equipment being arranged inside each heating cavity 4-8, the microwave heating equipment include magnetron, waveguide and electricity
Source.
A kind of pitch hot-mix plant recycling equipment of foregoing hot wind and microwave composition heating type, it is characterized in that：The microwave adds
Thermal is to be separately set in one side microwave heating equipment at the top of heating cavity 4-8 either while be arranged at heating cavity 4-
The two-sided microwave heating equipment of 8 top and bottoms.
A kind of pitch hot-mix plant recycling equipment of foregoing hot wind and microwave composition heating type, it is characterized in that：The dehumidifying system
The 4-4 that unites includes air-introduced machine 4-4-1, main pipeline 4-4-2 and each heating cavity 4-8 of connection branch pipe(tube) 4-4-3, the air-introduced machine
4-4-1 is connected with main pipeline 4-4-2, each branch pipe(tube) 4-4-3 of the main pipeline 4-4-2 series connection.
A kind of pitch hot-mix plant recycling equipment of foregoing hot wind and microwave composition heating type, it is characterized in that：The cooling system
System 4-5 includes variable-frequency delivery pump 4-5-2, liquid reserve tank 4-5-3, the radiator 4-5-1 being sequentially connected in series with some pipelines, the cooling
Cooling medium is housed, the cooling medium is water and the mixed liquor of coolant, and cooling system 4-5 effect is inside system 4-5
Caused unnecessary heat in heating process is discharged.
A kind of foregoing hot in-plant reclaimed asphalt mixture production equipment, it is characterized in that：The charging aperture 4-6 and discharging opening
4-7 is equipped with temperature sensor, microwave suppressor and reworked material detector, and the effect of temperature sensor is detection reworked material
Temperature, the effect of microwave suppressor are to prevent microwave from leaking, and the effect of reworked material sensor is to detect charging aperture 4-6 in real time with going out
Whether material mouth 4-7 has reworked material to pass through.
A kind of foregoing hot in-plant reclaimed asphalt mixture production equipment, it is characterized in that：The conveying system 4-2 includes becoming
Frequency reductor, material-conveying belt and idler machining, the material-conveying belt are polytetrafluoroethylene (PTFE) material, and the carrying roller is ceramics or stainless steel
Matter.
A kind of foregoing hot in-plant reclaimed asphalt mixture production equipment, it is characterized in that：The periphery of storage bin 5, which is provided with, to be protected
Warm rock wool, the inner tip of storage bin 5 are provided with microwave heating equipment, the microwave heating equipment include magnetron, waveguide and
Power supply, the storage bin 5 are additionally provided with weighing sensor, and the metering device 6 is bucket metering installation or belted electronic balance.
A kind of foregoing hot in-plant reclaimed asphalt mixture production equipment, it is characterized in that：Due to regeneration roller 3-3 and burning
Hot-blast stove 3-2 is provided between device 3-1, hot-blast stove 3-2 provides thermal source by burner 3-2, and hot-blast stove 3-2 can avoid burner 3-
1 combustion flame directly contacts old asphalt mixture, and hot-blast stove 3-2 is by configuring cold wind by mixing wind temperature control in 450-600
DEG C, regeneration roller 3-3 can use concurrent heating adverse current can also be used to heat.Hot-blast stove 3-2 can avoid burner combustion
Direct flame contact old asphalt mixture.
A kind of pitch plantmix hot production technology of hot wind and microwave composition heating type, it is characterized in that：Worked according to following steps：
The reworked material for sieving completion is delivered to elevator 2 by feeding system 1；
Reworked material is delivered to regeneration roller 3-3 and is heated to the first preset temperature, institute through hot air heating apparatus 3 by elevator 2
The first preset temperature is stated as 80-110 DEG C, the reworked material completed is heated by regenerating unloading for roller rear end through hot air heating apparatus 3
Material mouth is discharged into the distribution device 4-1 of tunnel type micro wave heater；
Distribution device 4-1 paves reworked material on feeding device 4-2, and feeding device 4-2 is by reworked material through charging aperture 4-6
Be delivered to each heating cavity 4-8 of tunnel type micro wave heater, charging aperture 4-6 reworked material detector detect reworked material it
Start the magnetron inside each heating cavity 4-8 afterwards and send microwave and reworked material is heated；
When reworked material is heated to the second preset temperature, reworked material is delivered to storage warehouse 5 and stored by feeding device 4-2, institute
The second preset temperature is stated as 110-160 DEG C；
When needing to add reworked material, reworked material is put into metering device 6 by the emptying door of the bottom of storage warehouse 5 and claimed
Amount, the reworked material after weighing, which is sent in agitated kettle, to be stirred, with newly gathering materials, miberal powder, pitch in agitated kettle 8 through overcharging
Divide stirring, form the reclaimed asphalt mixture for meeting pavement performance index.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of pitch hot-mix plant recycling equipment of hot wind and microwave composition heating type, including feeding system in sequential series (1), carry
The machine of liter (2), heating system, storage warehouse (5), metering device (6), virgin material adding set (7) agitated kettle (8), it is characterized in that：It is described
Heating system includes hot air heating apparatus (3) and tunnel type micro wave heater (4), and the hot air heating apparatus (3) includes suitable
Secondary connected burner (3-1), hot-blast stove (3-2), regeneration roller (3-3), the hot-blast stove (3-2) have the work(of configuration cold wind
Can, the tunnel type micro wave heater (4) is heated using microwave.
2. a kind of pitch hot-mix plant recycling equipment of hot wind and microwave composition heating type according to claim 1, it is characterized in that：
The tunnel type micro wave heater (4) includes distribution device (4-1), feeding device (4-2), microwave source system (4-3), dehumidifying
System (4-4), cooling system (4-5), charging aperture (4-6), discharging opening (4-7) and the heating cavity (4-8) of some series connection, it is described
Distribution device (4-1) upper end connection elevator (2), lower end connection feeding device (4-2), the feeding device (4-2) is from above-mentioned
By being provided with temperature sensor, the microwave source inside the heating cavity (4-8) in the heating cavity (4-8) of all series connection
System (4-3) is disposed on the internal microwave heating equipment of each heating cavity (4-8), and the microwave heating equipment includes magnetic control
Pipe, waveguide and power supply.
3. a kind of pitch hot-mix plant recycling equipment of hot wind and microwave composition heating type according to claim 2, it is characterized in that：
The microwave heating equipment is the one side microwave heating equipment being separately set at the top of heating cavity (4-8) or while set
In the two-sided microwave heating equipment of heating cavity (4-8) top and bottom.
4. a kind of pitch hot-mix plant recycling equipment of hot wind and microwave composition heating type according to claim 2, it is characterized in that：
The dehumidification system (4-4) includes the branch pipe of air-introduced machine (4-4-1), main pipeline (4-4-2) and each heating cavity (4-8) of connection
Road (4-4-3), the air-introduced machine (4-4-1) are connected with main pipeline (4-4-2), each branch pipe(tube) of main pipeline (4-4-2) series connection
(4-4-3)。
5. a kind of pitch hot-mix plant recycling equipment of hot wind and microwave composition heating type according to claim 2, it is characterized in that：
The cooling system (4-5) includes the variable-frequency delivery pump (4-5-2), liquid reserve tank (4-5-3), radiating being sequentially connected in series with some pipelines
Device (4-5-1), the cooling system (4-5) is internal to be equipped with cooling medium, and the cooling medium is water and the mixed liquor of coolant.
6. a kind of hot in-plant reclaimed asphalt mixture production equipment according to claim 2, it is characterized in that：The charging aperture
(4-6) is equipped with temperature sensor, microwave suppressor and reworked material detector with discharging opening (4-7).
7. a kind of hot in-plant reclaimed asphalt mixture production equipment according to claim 2, it is characterized in that：The conveying system
System (4-2) includes frequency conversion speed-down machine, material-conveying belt and idler machining, and the material-conveying belt is polytetrafluoroethylene (PTFE) material, and the carrying roller is pottery
Porcelain or stainless steel.
8. a kind of hot in-plant reclaimed asphalt mixture production equipment according to claim 1, it is characterized in that：The storage bin
(5) periphery is provided with heat preservation rock, and storage bin (5) inner tip is provided with microwave heating equipment, the microwave heating equipment bag
Magnetron, waveguide and power supply are included, the storage bin (5) is additionally provided with weighing sensor, and the metering device (6) is bucket type metering dress
Put or belted electronic balance.
9. a kind of hot in-plant reclaimed asphalt mixture production equipment according to claim 1, it is characterized in that：The hot-blast stove
(3-2) interior temperature range is 450-600 DEG C, and the regeneration roller (3-3) can use concurrent heating adverse current can also be used to add
Heat.
10. a kind of hot production technology of pitch plantmix of hot wind and microwave composition heating type, it is characterized in that：Worked according to following steps：
The reworked material for sieving completion is delivered to elevator (2) by feeding system (1)；
Reworked material is delivered to regeneration roller (3-3) and is heated to the first preset temperature through hot air heating apparatus (3) by elevator (2),
First preset temperature is 80-110 DEG C, and the reworked material completed is heated by regenerating roller rear end through hot air heating apparatus (3)
Discharge port be discharged into the distribution device (4-1) of tunnel type micro wave heater；
Distribution device (4-1) paves reworked material on feeding device (4-2), and feeding device (4-2) is by reworked material through charging aperture
(4-6) is delivered to each heating cavity (4-8) of tunnel type micro wave heater, the reworked material detector detection of charging aperture (4-6)
Reworked material is heated to starting the internal magnetron of each heating cavity (4-8) after reworked material and sending microwave；
When reworked material is heated to the second preset temperature, reworked material is delivered to storage warehouse (5) and stored by feeding device (4-2), institute
The second preset temperature is stated as 110-160 DEG C；
When needing to add reworked material, reworked material is put into metering device (6) by the emptying door of storage warehouse (5) bottom and claimed
Amount, the reworked material after weighing, which is sent in agitated kettle, to be stirred, with newly gathering materials, miberal powder, the pitch process in the agitated kettle (8)
It is sufficiently stirred, forms the reclaimed asphalt mixture for meeting pavement performance index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012821.7A CN107858892A (en) | 2017-10-26 | 2017-10-26 | The pitch hot-mix plant recycling equipment and technique of a kind of hot wind and microwave composition heating type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711012821.7A CN107858892A (en) | 2017-10-26 | 2017-10-26 | The pitch hot-mix plant recycling equipment and technique of a kind of hot wind and microwave composition heating type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107858892A true CN107858892A (en) | 2018-03-30 |
Family
ID=61696680
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711012821.7A Pending CN107858892A (en) | 2017-10-26 | 2017-10-26 | The pitch hot-mix plant recycling equipment and technique of a kind of hot wind and microwave composition heating type |
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| CN (1) | CN107858892A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301286A (en) * | 2018-04-04 | 2018-07-20 | 四川建筑职业技术学院 | A kind of microwave prepares the method and its equipment of bituminous concrete |
| CN116377798A (en) * | 2023-03-30 | 2023-07-04 | 廊坊德基机械科技有限公司 | Old asphalt mixture regenerating, drying and heating method and system |
| CN117535910A (en) * | 2024-01-08 | 2024-02-09 | 甘肃郝氏炭纤维有限公司 | Continuous processing equipment for felt body |
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Application publication date: 20180330 |