CN115212789A - Asphalt mixture stirring system capable of detecting workability and implementation method thereof - Google Patents
Asphalt mixture stirring system capable of detecting workability and implementation method thereof Download PDFInfo
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- CN115212789A CN115212789A CN202210760572.4A CN202210760572A CN115212789A CN 115212789 A CN115212789 A CN 115212789A CN 202210760572 A CN202210760572 A CN 202210760572A CN 115212789 A CN115212789 A CN 115212789A
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- stirring
- workability
- mixture
- thick bamboo
- detection
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- 238000003756 stirring Methods 0.000 title claims abstract description 105
- 239000000203 mixture Substances 0.000 title claims abstract description 82
- 239000010426 asphalt Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 30
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 30
- 241001330002 Bambuseae Species 0.000 claims description 30
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 30
- 239000011425 bamboo Substances 0.000 claims description 30
- 238000010276 construction Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010063493 Premature ageing Diseases 0.000 description 1
- 208000032038 Premature aging Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/2201—Control or regulation characterised by the type of control technique used
- B01F35/2202—Controlling the mixing process by feed-back, i.e. a measured parameter of the mixture is measured, compared with the set-value and the feed values are corrected
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2216—Time, i.e. duration, of at least one parameter during the operation
- B01F35/22161—Time, i.e. duration, of at least one parameter during the operation duration of the mixing process or parts of it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/38—Mixing of asphalt, bitumen, tar or pitch or their ingredients
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Road Paving Machines (AREA)
Abstract
The invention provides an asphalt mixture stirring system capable of detecting workability and an implementation method thereof. The workability critical value is determined through the existing asphalt mixture, then the asphalt mixture is stirred through the mixture stirring device, and when the workability testing device detects that the mixture reaches the workability critical value, the control panel controls to send out an alarm to finish stirring; this device is portable easy operation, can stir out the bituminous mixture that satisfies the workability in the very first time's detection simultaneously, avoids a lot of detection extravagant. The design is simple, the operation is convenient, and the method has universal applicability to different asphalt mixtures, thereby having application prospect of engineering practice.
Description
Technical Field
The invention belongs to the field of asphalt mixtures, and relates to an asphalt mixture stirring system capable of detecting workability and an implementation method thereof.
Background
The asphalt mixture is formed by stirring and mixing viscous asphalt and loose aggregate. At present, the asphalt pavement is widely applied to road construction by virtue of the advantages of simple construction process, convenient material taking, excellent road performance and the like. The workability of the asphalt mixture refers to the difficulty of mixing the mixture, and the quality of the mixture has important influence on the paving of the asphalt mixture and is related to the service performance of roads. The bituminous mixture that the workability is not good can increase the degree of difficulty and the manpower of construction on the one hand, and on the other hand can make the big problem of bituminous paving porosity premature aging simultaneously, and then influences the life of road.
At present, most of devices for detecting workability of the asphalt mixture are used for detecting the workability of the stirred asphalt mixture. The detection device for the workability of the asphalt mixture is separated from the stirring device, and whether the workability is qualified or not can not be detected at the first time of stirring. If the workability is not qualified, the asphalt mixture needs to be stirred and detected for multiple times, so that the waste of the asphalt mixture is caused, and the construction time of the project is prolonged.
The existing device for detecting the workability of the asphalt mixture does not meet the requirements of actual engineering application by establishing various workability evaluation indexes to detect the workability of the asphalt mixture. This is because the asphalt mixture of engineering application has the variety, and the easy evaluation index of the detection device of current asphalt mixture workability does not have general suitability, so often can not really be applied to engineering practice.
Therefore, the detection of the workability of the asphalt mixture in the current engineering practice is mostly based on estimation and experience, and the accuracy of the workability detection of the asphalt mixture required by construction cannot be ensured.
Therefore, the device combines the manual experience and the construction site requirements to obtain a small amount of asphalt mixture meeting the construction requirements, then sets a threshold value according to the existing asphalt mixture meeting the construction requirements, carries out production stirring on the large-scale asphalt mixture, meets the requirement of workability detection, and better meets the requirement of engineering practice application.
Disclosure of Invention
1. The technical problem to be solved is as follows:
at present, a detection device for workability of the asphalt mixture is separated from a stirring device, whether the workability is qualified or not can not be detected in the first time of stirring, if the workability is not qualified, the asphalt mixture needs to be stirred and detected for multiple times, the waste of the asphalt mixture is caused, and meanwhile, the engineering construction time is prolonged.
2. The technical scheme is as follows:
in order to solve the problems, the invention provides an asphalt mixture stirring system capable of detecting workability, which comprises a mixture stirring device and a workability detection device, and further comprises an outer shell and a device barrel, wherein the device barrel is positioned in the outer shell, the mixture stirring device and the workability detection device are separated in the device barrel through partition plates, temperature control devices are respectively arranged on the device barrel, the mixture stirring device and the workability detection device are fixed on a device moving vehicle through the outer shell, a control panel controls the operation of the whole device, the mixture stirring device comprises a main stirrer, a fixed plate and a transverse stirring sheet, the fixed plate is positioned on the partition plates, the main stirrer is arranged between the two partition plates through the fixed plate, the main stirrer comprises a driving shaft and a stirring part inclined stirring sheet, the stirring part extends spirally around the driving shaft and is in a double-edge shape, a double-edge inclined stirring sheet is obliquely arranged between every two circles of the spirals, two adjacent inclined stirring sheets are positioned on opposite surfaces, and the transverse stirring sheet is vertically positioned with the driving shaft, is in a double-edge shape and is integrated with the driving shaft.
The workability detection device comprises 2 devices, the workability detection device comprises a stirring sheet, a driving shaft, an openable stirring pot, a torque sensor, a weighing device and a telescopic column, wherein the torque sensor is arranged on the driving shaft, the weighing device is positioned at the bottom of the openable stirring pot and used for weighing the mixture quality to be detected, an openable opening is positioned at the upper part of the openable stirring pot and used for allowing the mixture to be stirred to enter the openable stirring pot, the openable opening is closed when the detected mixture quality meets the set requirement, the driving shaft drives the stirring sheet to stir, and the torque value obtained by the torque sensor is compared with the workability critical value.
The hydraulic telescopic column is positioned at the lower part of the stirring kettle, extends after the mixture detection is finished, and pours the detection mixture.
The device section of thick bamboo is including outer section of thick bamboo and inlayer section of thick bamboo, the division board have 2, be located respectively the both sides of inlayer section of thick bamboo, with inlayer section of thick bamboo sealing connection, outer section of thick bamboo and inlayer section of thick bamboo are the ellipsoid form, the major and minor axis of outer section of thick bamboo is 1.2-1.8 times of inlayer section of thick bamboo, outer section of thick bamboo curved surface is closed, inlayer section of thick bamboo curved surface is sieve mesh circle form, outer section of thick bamboo passes through the mount with the inlayer section of thick bamboo and passes through the mount and fix as an organic whole, still include the motor and mix agitating unit and connect, inferior agitator is fixed in between outer section of thick bamboo and the inlayer section of thick bamboo.
The device barrel is provided with a device barrel detection feed opening and a device barrel discharge opening, the external shell is respectively connected with the device barrel detection feed opening and the device barrel discharge opening through a cylinder channel, and the external shell and the device barrel feed opening are fixedly integrated.
The number of the secondary stirrers is 10, the secondary stirrers are evenly distributed in the outer-layer cylinder and comprise a stirring part, a fixing shaft, a fixing bolt and a driving shaft, the fox-searching stirring part extends in a spiral mode and is in a double-blade shape, one end of the fixing bolt is fixed to the outer-layer cylinder, the other end of the fixing bolt is connected with the spiral connecting fixing shaft, and the driving shaft and the stirring part casting are integrally formed.
The fixed plate is connected to the partition plate through four bearings.
The temperature control device comprises a heating and heat-preserving device and a temperature sensor, is positioned in a driving shaft and a stirring part of the main stirrer and the secondary stirrer and is also positioned in a stirring sheet and a stirring pot of the workability detection device 3, and the mixture stirring device and the workability detection device are heated and controlled to the required temperature for stirring and testing.
The invention also provides an implementation method of the asphalt mixture stirring system capable of detecting workability.
3. Has the advantages that:
the invention provides a stirring device of an asphalt mixture capable of detecting workability, which determines a workability critical value through the existing asphalt mixture, then stirs the asphalt mixture through a mixture stirring device, and when the workability testing device detects that the mixture reaches the workability critical value, a control panel controls to send out an alarm to finish stirring; this device is portable easy operation, can stir out the bituminous mixture that satisfies the workability in the very first time's detection simultaneously, avoids a lot of detection extravagant. Meanwhile, the method has the advantages of simple design, convenient operation and universal applicability to different asphalt mixtures, thereby having the application prospect of engineering practice.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Figure 2 is a schematic overall view of the cartridge of the device of the present invention.
Fig. 3 is a schematic view of the inner layer cylinder structure of the present invention.
Fig. 4 is a schematic view of the construction of the secondary agitator of the present invention.
Fig. 5 is an overall schematic view of the inner layer cartridge of the present invention.
FIG. 6 is a schematic view of the main agitator configuration of the present invention.
FIG. 7 is a schematic view of the workability testing apparatus of the present invention.
Detailed Description
The following further describes embodiments of the present invention in conjunction with the attached figures:
a detectable workability asphalt mixture stirring device specifically comprises: the device comprises an outer shell 1, a mixture stirring device 2, a workability detection device 3, a control panel 4, a temperature control device 5, a device barrel 6, a partition plate 7 and a device moving vehicle, wherein the device barrel 6 is positioned in the outer shell 1, the mixture stirring device 2 and the workability detection device 3 are separated in the device barrel 6 through the partition plate 7, the temperature control device 5 is respectively arranged on the device barrel 6, the mixture stirring device 2 and the workability detection device 3, the whole device is fixed on the device moving vehicle through the outer shell 1, and the control panel 4 controls the work of the whole device.
An implementation method of a workability-detectable asphalt mixing system comprises the following steps: the working steps are as follows: the first step is as follows: opening the device barrel to detect the material inlet 10, adding the asphalt mixture which is known to meet the construction requirement, and obtaining a workability critical value through a torque sensor; or according to a plurality of stirring experiment rules, setting a workability critical value directly through a control panel; the second step sets up the stirring temperature through control panel temperature control button 5 to set up the preliminary safe stirring time through control panel 4 and test the shortest time that obtains and the workability requirement many times, the third step: opening a feeding port 10 of the device barrel, adding a stirring mixture, and then starting stirring by the machine through a mixture stirring brake key 1; fourthly, when the preliminary safe stirring time is reached, the workability detection device 3 starts to detect the mixture; the fifth step: when the torque value reaches or slightly exceeds the workability critical value, the detection meets the requirement, the alarm is given through an alarm bell, then the stirring is stopped manually through the control panel 4, and the stirring can be stopped automatically under the condition that the stirring is not stopped manually for a period of time, and the next step is carried out; when the torque value is smaller than the workability critical value and the detection does not meet the requirement, adding the ingredients of the related asphalt mixture, continuing stirring, and returning to the fourth step after stirring for a certain time; and a sixth step: and (5) finishing stirring, and releasing the asphalt mixture through a discharge hole of the device cylinder.
Claims (9)
1. The utility model provides an asphalt mixture mixing system of detectable workability, includes mixture agitating unit (2) workability detection device (3) its characterized in that: the device comprises an outer shell (1) and a device barrel (6), the device barrel (6) is located in the outer shell (1), a mixture stirring device (2) and a workability detection device (3) are separated in the device barrel (6) through partition plates (7), a temperature control device (5) is respectively arranged on the device barrel (6), the mixture stirring device (2) and the workability detection device (3), the whole device is fixed on a device moving vehicle through the outer shell (1), a control panel (4) controls the work of the whole device, the mixture stirring device (2) comprises a main stirrer (19), a fixing plate (20), the fixing plate (20) is located on the partition plates (7), the main stirrer (19) is arranged between the two partition plates (7) through the fixing plate (20), the main stirrer (19) comprises a driving shaft (21), a stirring part (22), an inclined stirring sheet (23), a transverse stirring sheet (24), the stirring part (22) extends spirally around the driving shaft (21) to form a double-spiral shape, a double-edge (23) is arranged between every two spiral blades, and the two stirring sheets are positioned on opposite sides of the driving shaft (21) and are perpendicular to each other stirring sheet (24).
2. A detectable workability asphalt mixing system according to claim 1, characterized in that: the workability detection device (3) have 2, the workability detection device (3) includes stirring piece (25), drive shaft (26), stirring can be opened pot (27), torque sensor (28), weighing device scalable post (29), torque sensor (28) are installed on drive shaft (26), weighing device is located stirring can be opened pot (27) bottom and is used for the mixture quality of weighing detection, the mixture that can be opened the position and be used for the stirring on stirring can get into stirring can be opened pot (27) on stirring can be opened to the mixture quality of can opening the pot (27), can close when detecting the mixture quality and reach the settlement requirement, the drive shaft drives stirring piece (25) and stirs, and obtain the torque value through torque sensor (28) and compare with the workability critical value.
3. A detectable workability asphalt mixing system according to claim 2, characterized in that: the hydraulic telescopic column (29) is positioned at the lower part of the stirring pot (27) and extends after the detection of the mixture is finished, and the mixture is poured and detected.
4. A detectable workability asphalt mixing system according to claim 1, characterized in that: device section of thick bamboo (6) are including outer section of thick bamboo (9) and inlayer section of thick bamboo (12), division board (7) have 2, be located respectively the both sides of inlayer section of thick bamboo (12) with inlayer section of thick bamboo (12) sealing connection, outer section of thick bamboo (9) and inlayer section of thick bamboo (12) are the ellipsoid form, and the major and minor axis of outer section of thick bamboo (10) is 1.2-1.8 times of inlayer section of thick bamboo (12), and outer section of thick bamboo (10) curved surface is closed, and inlayer section of thick bamboo (12) curved surface is the sieve mesh circle form, and outer section of thick bamboo (10) and inlayer section of thick bamboo (12) are fixed as an organic whole through mount (13), still includes motor (8) and mixing stirring device (2) and connects, inferior agitator (11) are fixed in between outer section of thick bamboo (9) and inlayer section of thick bamboo (12).
5. A detectable workability asphalt mixing system according to any of claims 1-4, characterized in that: the device barrel is provided with a device barrel detection feeding port (10) and a device barrel discharge port, the external shell (1) is respectively connected with the device barrel detection feeding port (10) and the device barrel discharge port through a cylinder channel (18), and the external shell (1) and the device barrel feeding port (10) are fixedly integrated.
6. A detectable workability asphalt mixing system according to any of claims 1-4, characterized in that: inferior agitator (11) have 10, evenly arrange in outer barrel (9), including stirring portion (14),. Fixed axle (15), fixing bolt (16) and drive shaft (17), complain fox stirring portion (14) spiral extension, be the twolip form, fixing bolt (16) one end be fixed in outer barrel (9), spiral connection fixed axle (15) are connected to the other end, fixed axle (15),. Drive shaft (17) and stirring position foundry goods integrated into one piece.
7. A detectable workability asphalt mixing system (2) according to any of claims 1-4, characterized in that: the fixed plate (20) is connected to the partition plate (7) through four bearings.
8. A detectable workability asphalt mixing system according to any of claims 1-4, characterized in that: the temperature control device (5) comprises a heating and heat-preserving device and a temperature sensor, the temperature control device (5) is positioned in a driving shaft (17) and a stirring part (14) of the main stirrer (19) and the secondary stirrer (11) and is also positioned in a stirring sheet (25) and a stirring pot (27) of the workability detection device (3), and the mixture stirring device (2) and the workability detection device (3) are heated and controlled to the required temperature for stirring and testing.
9. A method for implementing a system for mixing asphalt with a detectable workability according to any of claims 1 to 8, comprising the following steps: the first step is as follows: opening a device cylinder detection feeding port (10), adding the asphalt mixture meeting the construction requirements, and obtaining a workability critical value through a torque sensor; or according to a plurality of stirring experiment rules, setting a workability critical value directly through a control panel; the second step sets up the stirring temperature through control panel temperature control button (5) to set up preliminary safe stirring time (the shortest time that reaches the peaceability requirement that many times of tests obtained) through control panel (4), the third step: opening a barrel feeding port (10) of the device, adding a stirring mixture, and then enabling the machine to start stirring through a mixture stirring brake key (1); fourthly, when the preliminary safe stirring time is reached, the workability detection device (3) starts to detect the mixture; the fifth step: when the torque value reaches or slightly exceeds the workability critical value, the detection meets the requirement, the alarm is given through an alarm bell, then the stirring is stopped manually through a control panel (4), and the stirring can be stopped automatically under the condition that the stirring is not stopped manually for a period of time, and the next step is carried out; when the torque value is smaller than the workability critical value and the detection does not meet the requirement, adding the ingredients of the related asphalt mixture, continuing stirring, and returning to the fourth step after stirring for a certain time; and a sixth step: and (5) finishing stirring, and releasing the asphalt mixture through a discharge hole of the device cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210760572.4A CN115212789B (en) | 2022-06-29 | 2022-06-29 | Asphalt mixture stirring system capable of detecting workability and implementation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210760572.4A CN115212789B (en) | 2022-06-29 | 2022-06-29 | Asphalt mixture stirring system capable of detecting workability and implementation method thereof |
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| CN115212789A true CN115212789A (en) | 2022-10-21 |
| CN115212789B CN115212789B (en) | 2023-11-14 |
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|---|---|
| CN115212789B (en) | 2023-11-14 |
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