CN113846530A - Mixing system of foamed asphalt recycled mixture - Google Patents
Mixing system of foamed asphalt recycled mixture Download PDFInfo
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- CN113846530A CN113846530A CN202111200701.6A CN202111200701A CN113846530A CN 113846530 A CN113846530 A CN 113846530A CN 202111200701 A CN202111200701 A CN 202111200701A CN 113846530 A CN113846530 A CN 113846530A
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- 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
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- 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
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- Road Paving Machines (AREA)
Abstract
The invention discloses a mixing system of foamed asphalt recycled mixture, which comprises a first frame body and a second frame body; a first conveying belt is arranged at a position, close to the upper part, of the first frame body, a hopper is arranged above the first conveying belt, and a pulley is arranged at the bottom of the first conveying belt and is connected with the first frame body in a sliding mode through the pulley; a second conveying belt is arranged at the discharge end of the first conveying belt, one end of the second conveying belt is connected with the first frame body, the other end of the second conveying belt is connected with the second frame body, a third conveying belt is arranged above the second frame body, one end of the third conveying belt is connected with the second conveying belt in a supporting mode, a mixing pot is arranged below the other end of the third conveying belt, a discharge hole is formed in the bottom of the mixing pot, a platform is arranged above the mixing pot, and the mixing pot is arranged at the position, close to the top, of the second frame body; through reasonable mechanical configuration and improved mixing process, the production energy consumption in the mixing process of the mixture is reduced, and the productivity is improved.
Description
Technical Field
The invention belongs to the technical field of foamed asphalt mixing, and particularly relates to a mixing system of a foamed asphalt recycled mixture.
Background
At present, the domestic foamed asphalt plant-mixed cold recycling technology is mainly to use a KMA220 plant-mixed cold recycling machine for production, on one hand, the KMA220 plant-mixed cold recycling machine has the defect of low capacity which is only 220t/h, and the project driving requirement in the rainy period is difficult to guarantee. On the other hand, the machine is provided with only two bins, one bin is usually added with old materials, the other one is added with new materials to improve the gradation, the two bins can not finish the requirements of water stabilizing materials on the gradation, and the machine can only be idle when cold recycled materials are not produced. Therefore, the plant cold recycling technology with high productivity, multiple purposes and good applicability presents new challenges for people.
In the traditional hot mixing mode of asphalt, the asphalt needs higher temperature to be subjected to heat preservation treatment in the processes of stirring, transporting and storing, the fuel energy consumption is serious, the resource waste is caused, dust flies in the production process of the traditional hot mixing, the construction environment is seriously influenced, and the normal use of the mixture is influenced due to the phenomenon that the mixture is aged easily in the hot mixing process.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a mixing system of foamed asphalt recycled mixture, which reduces the production energy consumption in the mixing process of the mixture, improves the productivity, saves the production cost, reduces the environmental pollution, improves the construction environment, has longer storage and transportation time, ensures the quality of the mixture and can open the traffic in a short time after the construction through reasonable mechanical configuration and improved mixing process.
The invention provides the following technical scheme:
a mixing system of foamed asphalt recycled mixture comprises a first frame body and a second frame body; a first conveying belt is arranged at a position, close to the upper part, of the first frame body, a hopper is arranged above the first conveying belt, and a pulley is arranged at the bottom of the first conveying belt and is connected with the first frame body in a sliding mode through the pulley; a second conveying belt is arranged at the discharge end of the first conveying belt, one end of the second conveying belt is connected with the first frame body, the other end of the second conveying belt is connected with the second frame body, a third conveying belt is arranged above the second frame body, one end of the third conveying belt is connected with the second conveying belt in a supporting mode, a mixing pot is arranged below the other end of the third conveying belt, a discharge hole is formed in the bottom of the mixing pot, a platform is arranged above the mixing pot, and the mixing pot is arranged at the position, close to the top, of the second frame body;
an asphalt foaming structure is arranged on one side of the mixing pot, and the asphalt foaming structure comprises an asphalt storage tank, an asphalt weighing mechanism, a foaming cavity and a spray head; the spray head is arranged above the mixing pot, and the spray head adds the foamed asphalt into the mixing pot for mixing and stirring.
Preferably, one end of the stirring pot is provided with at least one stirring motor, the stirring motor is provided with a speed reducer, a transmission shaft of the speed reducer penetrates through the stirring pot, and the stirring motor is connected with stirring teeth in a driving mode.
Preferably, the pitch storage jar is double-deck mechanism, one side of pitch storage jar is equipped with the heater, and the heater heats through the heating pipe of connection, the heating pipe sets up the bottom at pitch storage jar, the pitch jar is connected with the transmission pipe, and the other end of transmission pipe is connected with pitch weighing device, and pitch storage jar sends into pitch weighing mechanism through the transmission pipe through the pumping mechanism who sets up with pitch.
Preferably, the asphalt weighing mechanism comprises a weighing hopper, the weighing hopper is connected with the second frame body, a weighing sensor is arranged at the bottom of the weighing hopper, the weighing hopper is used for metering through the weighing sensor, the weighing sensor is connected with a control system, and the control system is a single chip microcomputer system.
Preferably, the weighing hopper is connected with an asphalt pump, the asphalt pump pumps the weighed asphalt in the weighing hopper to the foaming cavity, the asphalt pump is provided with a driving motor, the asphalt pump pumps the asphalt into the foaming cavity through the driving motor, and the discharge end of the asphalt pump is communicated with the foaming cavity.
Preferably, the foaming chamber is bilayer structure, and the lateral wall in foaming chamber is equipped with the water supply mouth, and the water supply mouth is connected with the constant voltage water feeder, and the foaming intracavity layer lets in the pitch after the heating, and the outer layer in foaming chamber lets in constant voltage cold water, and cold water takes place the gasification after letting in the pitch of high temperature, produces the bubble to foam the pitch.
Preferably, the other end of the foaming cavity is connected with a spray head, the spray head is provided with a plurality of spray pipes, the spray pipes are arranged right above the mixing pot, and the spray pipes spray foamed asphalt into the mixing pot.
Preferably, when the technical scheme works, the hopper conveys the mixed aggregate to the first conveying belt, and the aggregate is conveyed to the mixing pot through the first conveying belt, the second conveying belt and the third conveying belt; the stirring motor is started to dry and mix aggregate in the stirring pot, then asphalt in the asphalt storage tank is pumped into the asphalt weighing device, the asphalt weighing device weighs proper amount of asphalt, the asphalt is conveyed to the foaming cavity through the asphalt pump, meanwhile, a water supply port of the foaming cavity is connected with the quantitative water supply device to supply water for the asphalt, the water enters the foaming cavity and is gasified when meeting high-temperature asphalt, a large amount of bubbles are formed in the asphalt to form foamed asphalt, and finally, the foamed asphalt is sprayed into the stirring pot through a spray head connected with the other end of the foaming cavity to be uniformly stirred in the stirring pot.
Preferably, the asphalt mixture comprises foamed asphalt, aggregate, pebbles and mineral powder, the aggregate is natural sand, the asphalt mixture with better quality is prepared better, the mass mixing ratio of the asphalt mixture meets, and the foamed asphalt comprises the following components in percentage by mass: aggregate: stone: 10-13 parts of mineral powder: 190-; the grain size of the aggregate comprises the following specifications of 0-4mm, 4-7mm, 7-11 mm and 11-16 mm; the proportion of various specifications is 0-4 mm: 4-7 mm: 7-11: 11-16mm 35.5:21:22: 18.
Preferably, for the quality of better high improvement bituminous mixture, have better penetration, the penetration of the ratio influence bituminous mixture of foaming pitch and aggregate adopts the contrast test method to obtain reasonable proportion, obtains the bituminous mixture that the penetration is better, promotes its production quality, and the contrast test divide into four groups, and the first group is foaming pitch and the proportion of aggregate is 10:190 and the ratio of the common asphalt to the aggregate is 10: 190; the second group is that the ratio of the foamed asphalt to the aggregate is 11: 200 and the ratio of regular asphalt to aggregate is 11: 200 of a carrier; the third group is the proportion of the foamed asphalt and the aggregate is 12:210 and a ratio of regular asphalt to aggregate of 12: 210; the fourth group is the ratio of the foamed asphalt to the aggregate is 13: 220 and a ratio of regular asphalt to aggregate of 13: 220. the experimental data are as follows:
the unit of penetration is (100g, 5s)/0.1mm (25 ℃), and the experimental table shows that the foamed asphalt has better penetration compared with the common asphalt and can better meet the construction requirement, the foamed asphalt and the aggregate have different proportions, the foamed asphalt with better penetration effect is the third group, and the proportion of the foamed asphalt and the aggregate is 12: 210.
In addition, need keep warm when pitch is stored, pitch storage jar adopts the gas heating, and foam warm mix pitch is for hot mix pitch, and stirring and construction temperature are lower, consequently have less energy consumption and be convenient for more transport and store, can prevent pitch high temperature ageing simultaneously again, to foam warm mix with hot mix adoption contrast test's mode, obtain the ordinary pitch and the warm mix pitch of the same quality of heating, the gas volume is practiced thrift in the foam warm mix, as follows the table:
the temperature in the above table is in units of C, average gas consumption (m)2T), the energy-saving effect of warm mixing by adopting the foamed asphalt is obvious, and the unit gas consumption saving is 2.9m2/t。
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the mixing system for the foamed asphalt recycled mixture, through reasonable mechanical configuration and an improved mixing process, the production energy consumption in the mixing process of the mixture is reduced, the productivity is improved, the production cost is saved, the environmental pollution is reduced, the construction environment is improved, the storage and transportation time is longer, the quality of the mixture is ensured, and the traffic can be opened in a short time after the construction.
(2) According to the mixing system for the foamed asphalt regeneration mixture, the automation of asphalt foaming is realized by matching the asphalt weighing mechanism with the asphalt pump, the foaming cavity and the quantitative water supply device, the manpower is liberated, the foaming efficiency is improved, and the productivity of the system is improved.
(3) According to the mixing system of the foamed asphalt recycled mixture, the foamed asphalt is subjected to warm mixing, various performances of the asphalt mixture can be remarkably improved, the penetration degree is high, and the construction is well met.
(4) The mixing system of the foamed asphalt recycled mixture is matched with a reasonable construction process, so that the production energy consumption is reduced, the asphalt mixture is more reasonable in proportion and more sufficient in utilization, and the construction quality is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a side view of the overall structure of the present invention.
Fig. 3 is a schematic view of the foamed structure of the present invention.
Fig. 4 is a side view of the foamed structure of the present invention.
FIG. 5 is a schematic view of an asphalt weighing apparatus of the present invention.
FIG. 6 is a schematic view of the construction of an asphalt storage tank of the present invention.
In the figure: 1. a first frame body; 2. a first conveyor belt; 3. a hopper; 4. a second conveyor belt; 5. a second frame body; 6. stirring the pan; 7. a feeding port; 8. a station; 9. a third conveyor belt; 10. a stirring motor; 11. a speed reducer; 12. stirring teeth; 13. an asphalt storage tank; 14. an asphalt weighing device; 15. an asphalt pump; 16. a foaming chamber; 17. a spray head; 18. a drive motor; 19. a water supply port; 20. a heater; 21. heating a tube; 22. a conveying pipe; 23. a weighing hopper; 24. and a weighing sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-2, a mixing system of foamed asphalt recycled mixture comprises a first frame body 1 and a second frame body 5; a first conveying belt 2 is arranged at a position, close to the upper part, of the first frame body 1, a hopper 3 is arranged above the first conveying belt 2, and pulleys are arranged at the bottom of the first conveying belt 2 and are connected with the first frame body 1 in a sliding mode through the pulleys; a second conveying belt 4 is arranged at the discharging end of the first conveying belt 2, one end of the second conveying belt 4 is connected with the first frame body 1, the other end of the second conveying belt 4 is connected with the second frame body 5, a third conveying belt 9 is arranged above the second frame body 5, one end of the third conveying belt 9 is connected with the second conveying belt 4, a mixing pan 6 is arranged below the other end of the third conveying belt 9, a discharging opening 7 is arranged at the bottom of the mixing pan 6, a platform 8 is arranged above the mixing pan 6, and the mixing pan 6 is arranged at a position, close to the top, of the second frame body 5;
an asphalt foaming structure is arranged on one side of the mixing pot 6, and the asphalt foaming structure comprises an asphalt storage tank, an asphalt weighing mechanism 14, a foaming cavity 16 and a spray head 17; the spray head 17 is arranged above the mixing pot 6, and the spray head 17 adds the foamed asphalt into the mixing pot 6 for mixing and stirring.
One end of the stirring pot 6 is provided with at least one stirring motor 10, the stirring motor 10 is provided with a speed reducer 11, a transmission shaft of the speed reducer 11 penetrates through the stirring pot 6, and the stirring motor 10 is connected with stirring teeth 12 in a driving mode.
Example two:
as shown in fig. 3-6, on the basis of the first embodiment, the asphalt storage tank is a double-layer mechanism, a heater 20 is disposed on one side of the asphalt storage tank, the heater 20 is heated by a connected heating pipe 21, the heating pipe 21 is disposed at the bottom of the asphalt storage tank, the asphalt storage tank is connected to a transmission pipe 22, the other end of the transmission pipe 22 is connected to an asphalt weighing device, and the asphalt storage tank sends asphalt to the asphalt weighing mechanism 14 through the transmission pipe 22 by a set pumping mechanism.
The asphalt weighing mechanism 14 comprises a weighing hopper 23, the weighing hopper 23 is connected with the second frame body 5, a weighing sensor 24 is arranged at the bottom of the weighing hopper 23, the weighing hopper 23 carries out metering through the weighing sensor 24, the weighing sensor 24 is connected with a control system, and the control system is a single chip microcomputer system.
The weighing hopper 23 is connected with an asphalt pump 15, the asphalt pump 15 sends the weighed asphalt pump 15 in the weighing hopper 23 to the foaming cavity 16, the asphalt pump 15 is provided with a driving motor 18, the asphalt pump 15 is sent to the foaming cavity 16 through the driving motor 18, and the discharge end of the asphalt pump 15 is communicated with the foaming cavity 16.
Foaming chamber 16 is bilayer structure, and foaming chamber 16's lateral wall is equipped with water supply inlet 19, and water supply inlet 19 is connected with the constant voltage water feeder, and the pitch after the heating is let in to foaming chamber 16 inlayer, and the outer layer in foaming chamber 16 lets in constant voltage cold water, and cold water takes place to gasify after letting in the pitch of high temperature, produces the bubble to foam pitch.
The other end of the foaming cavity 16 is connected with a spray head 17, a plurality of spray pipes are arranged on the spray head 17 and are arranged right above the mixing pot 6, and the spray pipes spray foamed asphalt into the mixing pot 6.
Example three:
on the basis of the first embodiment, the asphalt mixture comprises foamed asphalt, aggregate, stones and mineral powder, the aggregate is natural sand, and for better preparing the asphalt mixture with better quality, the mass mixing ratio of the asphalt mixture is satisfied, and the foamed asphalt: aggregate: stone: 10-13 parts of mineral powder: 190-; the grain size of the aggregate comprises the following specifications of 0-4mm, 4-7mm, 7-11 mm and 11-16 mm; the proportion of various specifications is 0-4 mm: 4-7 mm: 7-11: 11-16mm 35.5:21:22: 18.
For the quality of the better high improvement bituminous mixture, have better penetration, the proportion of foaming pitch and aggregate influences bituminous mixture's penetration, adopts the contrast test method to obtain reasonable proportion, obtains the bituminous mixture that the penetration is better, promotes its production quality, and the contrast test divide into four groups, and the first group is foaming pitch and the proportion of aggregate is 10:190 and the ratio of the common asphalt to the aggregate is 10: 190; the second group is that the ratio of the foamed asphalt to the aggregate is 11: 200 and the ratio of regular asphalt to aggregate is 11: 200 of a carrier; the third group is the proportion of the foamed asphalt and the aggregate is 12:210 and a ratio of regular asphalt to aggregate of 12: 210; the fourth group is the ratio of the foamed asphalt to the aggregate is 13: 220 and a ratio of regular asphalt to aggregate of 13: 220. the experimental data are as follows:
| group of | Penetration of foamed asphalt | Penetration of ordinary asphalt |
| First group | 39 | 36 |
| Second group | 42 | 39 |
| Third group | 47 | 45 |
| Fourth group | 60 | 58 |
The unit of penetration is (100g, 5s)/0.1mm (25 ℃), and the experimental table shows that the foamed asphalt has better penetration compared with the common asphalt and can better meet the construction requirement, the foamed asphalt and the aggregate have different proportions, the foamed asphalt with better penetration effect is the third group, and the proportion of the foamed asphalt and the aggregate is 12: 210.
Need keep warm when pitch is saved, pitch storage jar adopts the gas heating, and the foam warm mix pitch is for the warm mix pitch, and stirring and construction temperature are lower, consequently have less energy consumption and the transportation of being convenient for more store, can prevent pitch high temperature simultaneously again and age, and the foam warm mix and the mode that the hot mix adopted the contrast test, obtain the ordinary pitch of the same quality of heating and warm mix pitch, the foam warm mix practices thrift the gas volume, as follows the table:
the temperature in the above table is in units of C, average gas consumption (m)2T), the energy-saving effect of warm mixing by adopting the foamed asphalt is obvious, and the unit gas consumption saving is 2.9m2/t。
The device obtained by the technical scheme is a mixing system of foamed asphalt recycled mixture, and when the device works, the hopper 3 conveys the mixed aggregate to the first conveying belt 2, and the aggregate is conveyed to the mixing pot 6 through the first conveying belt 2, the second conveying belt 4 and the third conveying belt 9; starting a stirring motor 10 to dry and uniformly mix aggregate in a stirring pot 6, then putting an asphalt pump 15 in an asphalt storage tank 13 into an asphalt weighing device, weighing a proper amount of asphalt by the asphalt weighing device, conveying the asphalt to a foaming cavity 16 through the asphalt pump 15, simultaneously connecting a water supply port 19 of the foaming cavity 16 with a quantitative water supply device to supply water to the asphalt, gasifying the water in the foaming cavity 16 when meeting high-temperature asphalt to form a large amount of bubbles in the asphalt to form foamed asphalt, finally spraying the foamed asphalt into the stirring pot 6 through a spray head 17 connected with the other end of the foaming cavity 16, and uniformly stirring in the stirring pot 6; through reasonable mechanical configuration and an improved mixing process, the production energy consumption in the mixing process of the mixed materials is reduced, the productivity is improved, the production cost is saved, the environmental pollution is reduced, the construction environment is improved, the storage and transportation time is longer, the quality of the mixed materials is ensured, and the traffic can be opened in a short time after the construction. The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A mixing system of foamed asphalt recycled mixture comprises a first frame body (1) and a second frame body (5); the device is characterized in that a first conveying belt (2) is arranged at a position, close to the upper part, of the first frame body (1), a hopper (3) is arranged above the first conveying belt (2), and pulleys are arranged at the bottom of the first conveying belt (2) and are connected with the first frame body (1) in a sliding mode through the pulleys; the discharging end of the first conveying belt (2) is provided with a second conveying belt (4), one end of the second conveying belt (4) is connected with the first frame body (1), the other end of the second conveying belt (4) is connected with the second frame body (5), a third conveying belt (9) is arranged above the second frame body (5), one end of the third conveying belt (9) is connected with the second conveying belt (4), a mixing pot (6) is arranged below the other end of the third conveying belt (9), the bottom of the mixing pot (6) is provided with a discharging port (7), a platform (8) is arranged above the mixing pot (6), and the mixing pot (6) is arranged at the position, close to the top, of the second frame body (5);
an asphalt foaming structure is arranged on one side of the mixing pot (6), and the asphalt foaming structure comprises an asphalt storage tank, an asphalt weighing mechanism (14), a foaming cavity (16) and a spray head (17); the spray head (17) is arranged above the mixing pot (6), and the spray head (17) adds the foamed asphalt into the mixing pot (6) for mixing and stirring.
2. The mixing system of the foamed asphalt recycling mixture according to claim 1, wherein one end of the mixing pot (6) is provided with at least one mixing motor (10), the mixing motor (10) is provided with a speed reducer (11), a transmission shaft of the speed reducer (11) penetrates through the mixing pot (6), and the mixing motor (10) is connected with mixing teeth (12) in a driving manner.
3. The mixing system of the foamed asphalt recycling mixture according to claim 1, wherein the asphalt storage tank is a double-layer mechanism, a heater (20) is disposed on one side of the asphalt storage tank, the heater (20) is heated by a connected heating pipe (21), the heating pipe (21) is disposed at the bottom of the asphalt storage tank, the asphalt storage tank is connected with a transmission pipe (22), the other end of the transmission pipe (22) is connected with an asphalt weighing device, and the asphalt storage tank sends asphalt into the asphalt weighing mechanism (14) through the transmission pipe (22) by a set pumping mechanism.
4. The mixing system of foamed asphalt recycling mixes according to claim 3, characterized in that, the asphalt weighing mechanism (14) includes a weighing hopper (23), the weighing hopper (23) is connected with the second frame body (5), a weighing sensor (24) is arranged at the bottom of the weighing hopper (23), the weighing hopper (23) is metered by the weighing sensor (24), the weighing sensor (24) is connected with a control system, and the control system is a single chip microcomputer system.
5. The mixing system of the foamed asphalt recycling mixture according to claim 4, wherein the weighing hopper (23) is connected with an asphalt pump (15), the asphalt pump (15) sends the weighed asphalt pump (15) in the weighing hopper (23) to the foaming cavity (16), the asphalt pump (15) is provided with a driving motor (18), the asphalt pump (15) is sent to the foaming cavity (16) through the driving motor (18), and the discharge end of the asphalt pump (15) is communicated with the foaming cavity (16).
6. The mixing system of the foamed asphalt recycling mixes according to claim 5, characterized in that the foaming chamber (16) is a double-layer structure, the outer side wall of the foaming chamber (16) is provided with a water supply port (19), the water supply port (19) is connected with a constant pressure water supply device, the heated asphalt is introduced into the inner layer of the foaming chamber (16), the constant pressure cold water is introduced into the outer layer of the foaming chamber (16), and the cold water is gasified after being introduced into the high temperature asphalt, so that bubbles are generated, thereby foaming the asphalt.
7. The mixing system of the foamed asphalt recycling mixture according to claim 6, wherein the other end of the foaming cavity (16) is connected with a spray nozzle (17), the spray nozzle (17) is provided with a plurality of spray pipes, the spray pipes are arranged right above the mixing pot (6), and the spray pipes spray the foamed asphalt into the mixing pot (6).
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| CN104988835A (en) * | 2015-07-22 | 2015-10-21 | 山推建友机械股份有限公司 | Modular asphalt cold-regeneration stirring equipment |
| CN205821939U (en) * | 2016-06-29 | 2016-12-21 | 无锡市城市道桥科技有限公司 | A kind of asphalt foaming pipe |
| CN206512558U (en) * | 2017-02-14 | 2017-09-22 | 江苏平山交通设施有限公司 | A kind of bridge expanssion joint notch bitumen regeneration equipment |
| CN207822912U (en) * | 2018-01-16 | 2018-09-07 | 福建省永春天露农林专业合作社 | A kind of quick heated asphalt holding vessel of stirring-type |
| US20190226162A1 (en) * | 2018-03-24 | 2019-07-25 | Fujian Tietuo Machinery Co.,Ltd. | Continuous asphalt mixture production plant based on double-horizontal-shaft forced mixing |
| CN109468914A (en) * | 2018-11-14 | 2019-03-15 | 重庆工程职业技术学院 | Cold regeneration facility of road asphalt material |
| CN110577031A (en) * | 2019-08-28 | 2019-12-17 | 山东交通学院 | Modified asphalt stirring and storing device and method |
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