CN201268816Y - Ultra-large microwave intellectualized central-plant mixing hot regenerative asphalt mixture mixing apparatus - Google Patents
Ultra-large microwave intellectualized central-plant mixing hot regenerative asphalt mixture mixing apparatus Download PDFInfo
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- CN201268816Y CN201268816Y CNU2008200127905U CN200820012790U CN201268816Y CN 201268816 Y CN201268816 Y CN 201268816Y CN U2008200127905 U CNU2008200127905 U CN U2008200127905U CN 200820012790 U CN200820012790 U CN 200820012790U CN 201268816 Y CN201268816 Y CN 201268816Y
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Abstract
The utility model relates to a mixing device of hot-mixed reclaimed asphalt mixture in an ultra-large type microwave intelligentized factory, which makes use of the mixing device of the hot-mixed reclaimed asphalt mixture in the ultra-large type microwave intelligentized factory; the lateral wall of a bucket elevator is an interlayer structure, and a heat conduction oil circulating and heating system is arranged at the lower part of the bucket elevator; a heat conduction oil inlet and a heat conduction oil outlet are arranged at the lower part of a reclaimed material elevating machine; a reclaimed cold charge cabin is provided with a heat insulation layer; a ceramic window is arranged on the lateral wall of a bucket body of a weighing and microwave heating system; an anti-current trough structure is arranged at the periphery of a stove door of the microwave weighing and heating system; the anti-current trough is of a special trough structure; a heat insulation layer is arranged outside a reclaimed hot charge cabin; and a scale body of a reclaimed material weighing hopper is provided with a heat insulation layer. The device has the advantages that the heating thermal efficiency is high, the rough weighing can be carried out while heating, the energy loss is reduced, the detection efficiency is high, the detection function and the anti-jamming capacity are strong, and the data of a control system is accurate through the signal detection with high quality.
Description
Technical field
The utility model relates to a kind of engineering machinery that reclaims the hot in-plant reclaimed process technology of bituminous mixture of utilizing, and particularly a kind of waste material that is got off by damaged road milling and new bituminous mixture heat the intelligent hot in-plant reclaimed asphalt mixture mixing plant of ultra-large type microwave type of stirring processing technology simultaneously.
Background technology
At present, force batch asphalt mixing plant to be widely used in producing, hot in-plant reclaimed asphalt mixture mixing plant part enterprise develops and goes into operation, but all is with traditional heating mode compound to be heated.Mode of heating has thermal current heating, dry barrel conduction heating, the new conduction heating of gathering materials, infrared rays heating etc.If when adopting the conduction heating of newly gathering materials to heat, newly gathering materials will generally be heated to about 220 ℃-240 ℃, if temperature is high again, the mineral structure of building stones is changed, influence the pavement performance of material, therefore just limited the adding proportion of old asphalt mixture.The old asphalt mixture regeneration ratio of general this heat form is no more than 30%.If adopt the heating of dry barrel conduction heating, old asphalt mixture can be heated to more than 80 ℃, this heat form energy conservation, but because old asphalt mixture adhesiveness when low temperature is more intense, mobile relatively poor, near blockage phenomenon charging aperture easily, and in case stop up, cleaning work is difficult.
Summary of the invention
For solving the problems of the technologies described above, the utility model proposes with in utilize the intelligent hot in-plant reclaimed asphalt blending station of ultra-large type microwave type, adopt the equipment of microwave heating method can overcome above shortcoming.
1. scheme of the present utility model is achieved in that the intelligent hot in-plant reclaimed asphalt mixture mixing plant of a kind of ultra-large type microwave type, comprise: proportioning machine 1, oblique belt 2, dust pelletizing system 3, drying drum 4, burner 5, hot elevator 6, reworked material elevator 7, the reworked material conveyor 8 that gathers materials, reworked material proportioning machine 9, SMA additive system 10, powder system 11, reworked material weighing hopper 12, regenerated heat feed bin 13, weighing and heating system 14, regeneration cold burden storehouse 15, vibrosieve 16, last hot aggregate bin 17, aqueous vapor tapping equipment 18, following hot aggregate bin 19, bitumen regenerant metering device 20, the main stirring and Weighing system 21, bitumen regenerant conveying device 22, atmospheric control 23, electric-control system 24, finished bin system 25, it is characterized in that: it is sandwich type structure that bucket is carried sidewall, and the bottom is provided with the conduction oil loop heating system: reworked material elevator bottom is provided with conduction oil and advances, outlet; Regeneration cold burden storehouse has insulation layer; The cylinder lateral wall of weighing and microwave heating system has ceramic window, is equipped with the choke groove structure around the fire door of microwave weighing and heating system.Choke groove is a special-shaped groove structure that is provided with in door; There is insulation layer regenerated heat feed bin outside, and reworked material weighing hopper scale body has insulation layer.The anti-current sealing device utilizes the impedance transformation characteristic of 1/4 wavelength transmission line, two parts by transmission line are formed, the terminal short circuit of first, the other end that is converted into second portion according to impedance constitutes actual short dot, i.e. the mid point on electric in the junction of two 1/4 wavelength of anti-current device.
The beneficial effects of the utility model are: the heat utilization material adopts microwave heating, heat hot efficient height, heat does not need transmission from outward appearance to inner essence, direct heating object inside, heat from interior of articles to external diffusion, but and the temperature Instantaneous Control; Adopt heating using microwave, and have mixing plant, in heating, slightly measure, so that the switch time of control regeneration cold burden storehouse emptying door and weighing and microwave heating system feeding gate; Can preheat reclaiming cold burden, and effectively utilize the energy of emission gases, reduce energy loss; Operation of entire equipment flow process, technological process parameter are set and are revised and all finish by computer; Automatically regulate control from exporting controlling parameter, realize closed-loop control, self-control; The detection efficiency height, measuring ability is powerful, strong interference immunity.Adopt the data acquisition card of import, A/D and D/A modular converter, high-precision sensor and temperature measurer; Adopt software digital filter to improve the useful signal authenticity for the system of random disturbances is significantly arranged; High-quality signal detection makes that the control system data are accurate.
Description of drawings
Fig. 1 is the structural representation of facing of the present invention;
Fig. 2 is a plan structure schematic diagram of the present invention.
Below in conjunction with drawings and Examples the utility model is elaborated.
As Fig. 1, shown in Figure 2, the utility model is by proportioning machine 1, oblique belt 2, dust pelletizing system 3, drying drum 4, burner 5, hot elevator 6, reworked material elevator 7, the reworked material conveyor 8 that gathers materials, reworked material proportioning machine 9, SMA additive system 10, powder system 11, reworked material weighing hopper 12, regenerated heat feed bin 13, weighing and microwave heating system 14, regeneration cold burden storehouse 15, vibrosieve 16, last hot aggregate bin 17, aqueous vapor tapping equipment 18, following hot aggregate bin 19, bitumen regenerant metering device 20, the main stirring and Weighing system 21, bitumen regenerant conveying device 22, atmospheric control 23, electric-control system 24, finished bin system 25 forms.
Ultra-large type microwave type hot in-plant reclaimed asphalt mixture stirring technique is meant will transport factory back behind the old asphalt concrete road-surface milling earlier, by broken, screening, after the hot in-plant reclaimed device processes of microwave-type, and according to indexs such as old material medium pitch content, ageing of asphalt degree, rubble gratings, mixing newly the gathering materials of some, pitch and regenerative agent mixes and stirs, make compound reach every index of regulation and stipulation, according to the identical method of newly-built asphalt concrete pavement making again.
1. ultra-large type microwave type hot in-plant reclaimed asphalt mixture mixing plant is meant that reclaimed materials utilizes microwave to finish heating, weighing in a special heat drying system.This complete equipment also is and forces batch asphalt mixing plant matching used.
2. the course of work of the intelligent hot in-plant reclaimed asphalt mixture mixing plant of ultra-large type microwave type is: when the recovery asphalt mixing plant is started working, reclaimed materials behind crushing and screening begins feed by the reclaimed materials induction system, by the reworked material elevator reclaimed materials is delivered in the regeneration cold burden storehouse, put in batches in weighing and the microwave heating system, close charging aperture and discharging opening then, make it to form the space of a sealing, system begins to reclaimed materials weighing and heating using microwave, and the reclaimed materials after the heating enters into the regenerated heat feed bin and stores.When needs added reclaimed materials, the emptying door of regenerated heat feed bin was opened, and the heat utilization material enters into the reworked material weighing hopper and carries out weighing.When reaching needed quantity, the emptying door of regenerated heat feed bin is closed, and the emptying door of reworked material weighing hopper is opened, blowing in agitator, and finish-individual mixing cycle.
If it is big block that reclaimed materials becomes, can also be equipped with block crushing appliance.It can be under the situation of not destroying aggregate appearance and size, with the broken frustillatum of the reclaimed materials of big bulk.Also should be equipped with screening plant in case of necessity.Broken, screening system is positioned at equipment foremost, is that bulky grain shape in the reclaimed materials is ground into short grained device.The reclaimed materials induction system comprises reworked material elevator, reworked material gather materials conveyor, reworked material proportioning machine.
The reworked material elevator is that the cold reclaimed materials that conveyor transports is risen to the lifting appliance of regeneration in the storehouse, cold burden storehouse.It is sandwich type structure that bucket is carried sidewall, and the bottom is provided with the conduction oil loop heating system: reworked material elevator bottom is provided with the conduction oil import and export, and conduction oil flows into through lower inlet from branch of asphalt heat conducting oil system, flows out from the exit, top, reaches pre-heat effect; Top is provided with the hot gas heating system: the gas after cloth bag is handled enters bucket through pipeline and carries interlayer, discharges from the top, finishes preheat function, plays a role in energy conservation.Hoisting power 120t/h, driving power 11KW.
The reworked material proportioning machine is that reclaimed materials is carried out in accordance with regulations the device of dispensing material just.Standard configuration quantity is two, the conveying capacity 60t/h of each belt feeder, and driving power 2.2KW, reductor are frequency control, control the conveying capacity of belt feeder by adjusting the reductor rotating speed.
The reworked material cold reclaimed materials that conveyor will just join that gathers materials is transported in the reworked material elevator.Conveying capacity 100t/h, driving power 4KW.
Regeneration cold burden storehouse plays a transition role, temporarily deposit the reclaimed materials that the reworked material elevator transports, and reclaimed materials is offered weighing and microwave heating system in batches, regeneration cold burden storehouse has insulation layer, reduce the thermal loss of preheating material, and possess material moisture detection and temperature-detecting device.
Weighing and microwave heating system are the devices of finishing the reclaimed materials heating, drying.Weighing is thick metering, is in order to control the switch time of regeneration cold burden storehouse emptying door and heating system feeding gate; Cylinder lateral wall has ceramic window, and the microwave that magnetron produces enters heating system inside by ceramic window, makes building stones temperature rising in the reclaimed materials, and hot building stones are given pitch with temperature conduction, makes the reclaimed materials heating reach temperature required.For moisture is fully discharged, system also has mixing plant, and possesses material moisture detection and temperature-detecting device.In heating, stir, moisture can in time be emitted from steam pipeline.When heating, the whole system complete closed plays shielding action to microwave, prevents that microwave from leaking.In order to prevent microwave leakage, around the fire door of microwave weighing and heating system, be equipped with the choke groove structure.Choke groove is a special-shaped groove structure that is provided with in door, and it has the effect of guiding microwave inverted phase.In choke groove and rubber seal entrance, microwave can be offset by its reverse back wave, and microwave just can not leak like this.
Fire door adopts the choke groove array of some 1/4 wavelength, is placed in the junction of furnace body wall and fire door periphery, to form the purpose that electrical short reaches the high frequency sealing.The anti-current sealing device utilizes the impedance transformation characteristic of 1/4 wavelength transmission line, is made up of two parts of transmission line.The terminal short circuit of first, the other end that is converted into second portion according to impedance constitutes actual short dot, promptly in the junction of two 1/4 wavelength of anti-current device (mid point on electric).The impedance here is very high, and electric current is very little.This structure can well prevent microwave leakage.
The regenerated heat feed bin is used to deposit weighing and microwave heating system heats the heat utilization material that finishes, and the heat utilization material is transported in the weigher.Whole storage capacity is 6m
3, have the height material-level detecting device.There is insulation layer the outside, reduces the thermal loss of heat utilization material.
The reworked material weighing hopper is after the heat utilization material that the regenerated heat feed bin transports is carried out in accordance with regulations weighing, by gravity flow the heat utilization material is put into and mixes cylinder, mixes and stirs with newly the gathering materials of some, pitch and regenerative agent, obtains reworked material.The scale body has insulation layer, reduces the thermal loss of heat utilization material; Emptying door adopts heat-conducting oil heating, prevents that the heat utilization material from clinging bin gate, makes the emptying door switch flexible.
Claims (2)
1. the intelligent hot in-plant reclaimed asphalt mixture mixing plant of a ultra-large type microwave type, comprise: proportioning machine 1, oblique belt 2, dust pelletizing system 3, drying drum 4, burner 5, hot elevator 6, reworked material elevator 7, the reworked material conveyor 8 that gathers materials, reworked material proportioning machine 9, SMA additive system 10, powder system 11, reworked material weighing hopper 12, regenerated heat feed bin 13, weighing and heating system 14, regeneration cold burden storehouse 15, vibrosieve 16, last hot aggregate bin 17, aqueous vapor tapping equipment 18, following hot aggregate bin 19, bitumen regenerant metering device 20, the main stirring and Weighing system 21, bitumen regenerant conveying device 22, atmospheric control 23, electric-control system 24, finished bin system 25, it is characterized in that: it is sandwich type structure that bucket is carried sidewall, and the bottom is provided with the conduction oil loop heating system; Reworked material elevator bottom is provided with the conduction oil import and export; Regeneration cold burden storehouse has insulation layer; The cylinder lateral wall of weighing and microwave heating system has ceramic window, is equipped with the choke groove structure around the fire door of microwave weighing and heating system; Choke groove is a special-shaped groove structure that is provided with in door; There is insulation layer regenerated heat feed bin outside, and reworked material weighing hopper scale body has insulation layer.
2. the intelligent hot in-plant reclaimed asphalt mixture mixing plant of a kind of ultra-large type microwave type according to claim 1, it is characterized in that: the anti-current sealing device utilizes the impedance transformation characteristic of 1/4 wavelength transmission line, two parts by transmission line are formed, the terminal short circuit of first, the other end that is converted into second portion according to impedance constitutes actual short dot, i.e. the mid point on electric in the junction of two 1/4 wavelength of anti-current device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200127905U CN201268816Y (en) | 2008-05-19 | 2008-05-19 | Ultra-large microwave intellectualized central-plant mixing hot regenerative asphalt mixture mixing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200127905U CN201268816Y (en) | 2008-05-19 | 2008-05-19 | Ultra-large microwave intellectualized central-plant mixing hot regenerative asphalt mixture mixing apparatus |
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| CN201268816Y true CN201268816Y (en) | 2009-07-08 |
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| CNU2008200127905U Expired - Fee Related CN201268816Y (en) | 2008-05-19 | 2008-05-19 | Ultra-large microwave intellectualized central-plant mixing hot regenerative asphalt mixture mixing apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587259A (en) * | 2012-02-23 | 2012-07-18 | 福建铁拓机械有限公司 | Pitch stirring device with hot recycling function |
| CN102926308A (en) * | 2012-11-02 | 2013-02-13 | 华侨大学 | Control method and detection and control system of pitch thermal regeneration device drying system |
| CN103162525A (en) * | 2011-12-16 | 2013-06-19 | 河南勃达微波设备有限责任公司 | Equipment specially used for diamond drying |
| CN104499407A (en) * | 2014-12-22 | 2015-04-08 | 长安大学 | Asphalt mixing station with heat preservation layers |
| CN107675581A (en) * | 2017-10-26 | 2018-02-09 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of hot in-plant reclaimed asphalt mixture production equipment and process |
| 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 |
| CN110004797A (en) * | 2019-05-14 | 2019-07-12 | 那小东 | A kind of multi-stage subsection mixing cold adding recycled asphalt concrete plant mixing equipment and method |
-
2008
- 2008-05-19 CN CNU2008200127905U patent/CN201268816Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162525A (en) * | 2011-12-16 | 2013-06-19 | 河南勃达微波设备有限责任公司 | Equipment specially used for diamond drying |
| CN102587259A (en) * | 2012-02-23 | 2012-07-18 | 福建铁拓机械有限公司 | Pitch stirring device with hot recycling function |
| CN102587259B (en) * | 2012-02-23 | 2015-04-01 | 福建铁拓机械有限公司 | Pitch stirring device with hot recycling function |
| CN102926308A (en) * | 2012-11-02 | 2013-02-13 | 华侨大学 | Control method and detection and control system of pitch thermal regeneration device drying system |
| CN102926308B (en) * | 2012-11-02 | 2015-12-02 | 华侨大学 | The control method of pitch thermal regeneration device drying system and detection, control system |
| CN104499407A (en) * | 2014-12-22 | 2015-04-08 | 长安大学 | Asphalt mixing station with heat preservation layers |
| CN104499407B (en) * | 2014-12-22 | 2016-04-20 | 长安大学 | A kind of bituminous mixing plant with insulation layer |
| CN107675581A (en) * | 2017-10-26 | 2018-02-09 | 江苏集萃道路工程技术与装备研究所有限公司 | A kind of hot in-plant reclaimed asphalt mixture production equipment and process |
| 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 |
| CN108301286B (en) * | 2018-04-04 | 2023-11-14 | 四川建筑职业技术学院 | A method and equipment for preparing asphalt concrete using microwaves |
| CN110004797A (en) * | 2019-05-14 | 2019-07-12 | 那小东 | A kind of multi-stage subsection mixing cold adding recycled asphalt concrete plant mixing equipment and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20120519 |