CN215441275U - Old asphalt material heating and hot air circulating system - Google Patents
Old asphalt material heating and hot air circulating system Download PDFInfo
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- CN215441275U CN215441275U CN202121377358.8U CN202121377358U CN215441275U CN 215441275 U CN215441275 U CN 215441275U CN 202121377358 U CN202121377358 U CN 202121377358U CN 215441275 U CN215441275 U CN 215441275U
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- hot air
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- heating roller
- material heating
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Abstract
The utility model discloses an asphalt old material heating and hot air circulating system which comprises a raw material heating roller, a regenerated material lifting machine, a smoke dust collecting device, a smoke dust mixer, a bag-type dust collector, a regenerated material heating roller, a regenerated material discharging box, a hot air generating furnace, an air quantity distributor, a circulating fan, an induced draft fan and a chimney. The utility model has the advantages of simple structure, exquisite design, convenient manufacture, high heating efficiency, long service life and safe and reliable operation.
Description
Technical Field
The utility model belongs to the technical field of industrial heating devices, and particularly relates to an old asphalt material heating and hot air circulating system.
Background
The existing old asphalt material is heated mainly by adopting a direct heating mode of a burner or an indirect heating mode of a hot blast stove, and the heating temperature of the old asphalt material is not uniform by adopting the prior art, so that the old asphalt material is aged in different degrees, and the heating efficiency and the heating quality are influenced. Meanwhile, the circulating hot air adopted by the prior art has high asphalt smoke content, is easy to block the hot blast stove, and has low heat efficiency and short service life of equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an old asphalt material heating and hot air circulating system.
In order to achieve the design purpose, the technical scheme adopted by the utility model is as follows: an old asphalt material heating and hot air circulating system comprises a raw material heating roller, a regenerated material lifting machine, a smoke dust collecting device, a smoke dust mixer, a bag-type dust collector, a regenerated material heating roller, a regenerated material discharging box, a hot air generating furnace, an air quantity distributor, a circulating fan, a draught fan and a chimney, wherein dust outlets of the raw material heating roller and the smoke dust collecting device are fixedly connected with an inlet of the smoke dust mixer, the regenerated material lifting machine is arranged on one side of the smoke dust collecting device, a discharging port of the regenerated material lifting machine is fixedly connected with a feeding port of the smoke dust collecting device, the regenerated material heating roller is arranged on a discharging port of the smoke dust collecting device, the regenerated material discharging box is arranged at an outlet end of the regenerated material heating roller, the hot air generating furnace is arranged on one side of the regenerated material discharging box, and the air quantity distributor and the circulating fan are sequentially arranged at the tail end of the hot air generating furnace, the circulating fan outlet end is connected with the air flow distributor, the outlet end of the smoke dust mixer is provided with a bag-type dust collector, the tail end of the bag-type dust collector is provided with an induced draft fan, and the outlet end of the induced draft fan is connected with the inlet end of the circulating fan and a chimney.
The smoke dust collecting device comprises a gravity settling chamber and a plurality of layers of smoke dust filter screens.
The reclaimed material heating roller is heated in a counter-flow heating mode, the reclaimed material heating roller is internally provided with material lifting blades, the material lifting blades are made of anti-adhesion flexible materials, and the material lifting blades can flexibly heat the old asphalt materials by adjusting the rotating speed and the angle through variable frequency.
The hot air generating furnace is made of high-temperature resistant materials with a double-layer structure, is provided with a safe automatic protection device, and can automatically withdraw and close the hot air furnace to reduce the oxygen content in the furnace and avoid high-temperature combustion risks in emergency situations.
Raw material heating cylinder, reworked material lifting machine, smoke and dust collection device, smoke and dust blender, sack cleaner, reworked material heating cylinder, reworked material discharge box, hot-blast producer, amount of wind distributor, circulating fan and draught fan all realize automated inspection and control through PLC control system.
The utility model has the beneficial effects that: compared with the prior art, the utility model has the advantages that: the heating of the old asphalt material adopts a counter-flow regeneration roller, stable and reliable hot air is provided by a hot air generating furnace, indirect flexible heating is realized, the heating efficiency is high, and the heating is safe and reliable; the utility model utilizes the clean hot air discharged by the bag-type dust remover to recycle, saves energy by more than 10 percent, and has long service life and safe and reliable operation compared with the prior art; waste gas generated in the heating process of the old asphalt material is settled for the first time through a smoke dust collecting device, is mixed for the second time through a smoke dust mixer under the action of a draught fan, adsorbs asphalt smoke, enters a bag-type dust collector to be filtered and then is discharged, and part of discharged high-temperature gas enters a hot air generating furnace through a circulating fan to be recycled; the hot air generating furnace adopts high-temperature resistant materials, the recycled clean high-temperature gas and the high-temperature gas heated by the burner are subjected to multi-stage mixing and layered combustion, the whole system of the utility model collects a plurality of temperature, pressure and vibration signals, automatic detection and control are realized through a PLC control system, and the safe and stable operation of the system is ensured. The utility model has the advantages of simple structure, exquisite design, convenient manufacture, high heating efficiency, long service life and safe and reliable operation.
Drawings
FIG. 1 is a schematic view of an old asphalt heating and hot air circulating system according to the present invention.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. As shown in fig. 1: an old asphalt material heating and hot air circulating system comprises a primary material heating roller 1, a regenerated material lifting machine 2, a smoke dust collecting device 3, a smoke dust mixer 4, a bag-type dust collector 5, a regenerated material heating roller 6, a regenerated material discharging box 7, a hot air generating furnace 8, an air flow distributor 9, a circulating fan 10, an induced draft fan 11 and a chimney 12, wherein dust outlets of the primary material heating roller 1 and the smoke dust collecting device 3 are fixedly connected with an inlet of the smoke dust mixer 4, the regenerated material lifting machine 2 is arranged on one side of the smoke dust collecting device 3, a discharge outlet of the regenerated material lifting machine 2 is fixedly connected with a feed inlet of the smoke dust collecting device 3, the regenerated material heating roller 6 is arranged on a discharge outlet of the smoke dust collecting device 3, the regenerated material discharging box 7 is arranged on an outlet end of the regenerated material heating roller 6, the hot air generating furnace 8 is arranged on one side of the regenerated material discharging box 7, the tail end of hot-blast producer 8 is equipped with air distributor 9 and circulating fan 10 in proper order, circulating fan 10 exit end links to each other with air distributor 9, the exit end of smoke and dust blender 4 is equipped with sack cleaner 5, the tail end of sack cleaner 5 is equipped with draught fan 11, draught fan 11 the exit end with circulating fan 10's entrance point all is connected with chimney 12.
The smoke dust collecting device 3 comprises a gravity settling chamber and a plurality of layers of smoke dust filter screens.
The reclaimed material heating roller 6 is heated in a counter-flow heating mode, material lifting blades are arranged in the reclaimed material heating roller 6 and are made of anti-adhesion flexible materials, and the material lifting blades can flexibly heat old asphalt materials by adjusting the rotating speed and the angle through variable frequency.
The hot air generating furnace 8 is made of high-temperature resistant materials with a double-layer structure, is provided with a safe automatic protection device, and can automatically withdraw and close the hot air furnace to reduce the oxygen content in the furnace and avoid high-temperature combustion risks in emergency situations.
The automatic control system is characterized in that the automatic detection and control of the primary material heating roller 1, the reclaimed material hoister 2, the smoke dust collecting device 3, the smoke dust mixer 4, the bag-type dust collector 5, the reclaimed material heating roller 6, the reclaimed material discharging box 7, the hot air generating furnace 8, the air volume distributor 9, the circulating fan 10 and the draught fan 11 are realized through a PLC control system.
When the asphalt heating device is used, the old asphalt material enters the reclaimed material heating roller 6 through the reclaimed material hoister 2 to be dried and heated, and because the reclaimed material heating roller 6 is of a counter-flow structure, the reclaimed material is fully and uniformly heated; the smoke dust generated in the heating process is subjected to primary sedimentation through a smoke dust collecting device 3, is secondarily mixed with hot smoke gas generated by a primary material heating roller 1 in a smoke dust mixer 4 under the action of an induced draft fan 11, adsorbs asphalt smoke and then enters a bag-type dust collector 5, meanwhile, the smoke dust mixer 4 controls the negative pressure of a reclaimed material heating roller 6, the bag-type dust collector 5 filters dust-containing gas and then enters a chimney 12 under the action of the induced draft fan 11, the chimney 12 is connected with a circulating fan 10, and part of clean hot air discharged by the bag-type dust collector 5 respectively enters the end part and the furnace body of a hot air generating furnace 8 through the circulating fan 10 and an air volume distributor 9 for recycling; in the reproduction process, because hot-blast producer 8 is bilayer structure, clean hot-air gets into the shaft and the tip of hot-blast producer 8 through the valve in proportion respectively, guarantees the stable burning of combustor and adjusts shaft temperature and hot-blast producer output hot air temperature through mediating the proportion to effectively protect the hot-blast furnace, realize the flexible high temperature heating of the old material of pitch, reduce the production of pitch cigarette.
Claims (5)
1. An old asphalt material heating and hot air circulating system is characterized in that: the device comprises a primary material heating roller, a regenerated material hoister, a smoke dust collecting device, a smoke dust mixer, a bag-type dust remover, a regenerated material heating roller, a regenerated material discharging box, a hot air generating furnace, an air quantity distributor, a circulating fan, a draught fan and a chimney, wherein dust outlets of the primary material heating roller and the smoke dust collecting device are fixedly connected with an inlet of the smoke dust mixer, one side of the smoke dust collecting device is provided with the regenerated material hoister, a discharge outlet of the regenerated material hoister is fixedly connected with a feed inlet of the smoke dust collecting device, a discharge outlet of the smoke dust collecting device is provided with the regenerated material heating roller, an outlet end of the regenerated material heating roller is provided with the regenerated material discharging box, one side of the regenerated material discharging box is provided with the hot air generating furnace, the tail end of the hot air generating furnace is sequentially provided with an air quantity distributor and the circulating fan, and an outlet end of the circulating fan is connected with the air quantity distributor, the exit end of smoke and dust blender is equipped with the sack cleaner, the tail end of sack cleaner is equipped with the draught fan, the exit end of draught fan with circulating fan's entrance point all is connected with the chimney.
2. The old asphalt heating and hot air circulating system according to claim 1, wherein: the smoke dust collecting device comprises a gravity settling chamber and a plurality of layers of smoke dust filter screens.
3. The old asphalt heating and hot air circulating system according to claim 1, wherein: the reclaimed material heating roller is heated in a counter-flow heating mode, the reclaimed material heating roller is internally provided with material lifting blades, the material lifting blades are made of anti-adhesion flexible materials, and the material lifting blades can flexibly heat the old asphalt materials by adjusting the rotating speed and the angle through variable frequency.
4. The old asphalt heating and hot air circulating system according to claim 1, wherein: the hot air generating furnace is made of high-temperature resistant materials with a double-layer structure, is provided with a safe automatic protection device, and can automatically withdraw and close the hot air furnace to reduce the oxygen content in the furnace and avoid high-temperature combustion risks in emergency situations.
5. The old asphalt heating and hot air circulating system according to claim 1, wherein: raw material heating cylinder, reworked material lifting machine, smoke and dust collection device, smoke and dust blender, sack cleaner, reworked material heating cylinder, reworked material discharge box, hot-blast producer, amount of wind distributor, circulating fan and draught fan all realize automated inspection and control through PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377358.8U CN215441275U (en) | 2021-06-21 | 2021-06-21 | Old asphalt material heating and hot air circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377358.8U CN215441275U (en) | 2021-06-21 | 2021-06-21 | Old asphalt material heating and hot air circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215441275U true CN215441275U (en) | 2022-01-07 |
Family
ID=79712450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121377358.8U Active CN215441275U (en) | 2021-06-21 | 2021-06-21 | Old asphalt material heating and hot air circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215441275U (en) |
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2021
- 2021-06-21 CN CN202121377358.8U patent/CN215441275U/en active Active
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