CN215449084U

CN215449084U - Device for testing demulsification speed of emulsified asphalt

Info

Publication number: CN215449084U
Application number: CN202121409806.8U
Authority: CN
Inventors: 张钊雨; 刘振龙; 虞浩
Original assignee: Jiangsu Louida Engineering Technology Co ltd
Current assignee: Jiangsu Louida Engineering Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-07
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a device for testing the demulsification speed of emulsified asphalt, which comprises a bottom plate, wherein four upright posts are correspondingly arranged at the four corners of the bottom plate, a top plate is horizontally arranged at the tops of the four upright posts, a bearing frame is arranged at the top of the bottom plate, a bearing plate is arranged in the bearing frame, a through hole with an inverted convex structure is arranged on the bearing plate, a first electrode and a second electrode are correspondingly arranged on the inner side walls at the two sides of the bearing frame above the bearing plate, a power supply is arranged at the top of one side of the bottom plate, which is close to the bearing frame, provided with the first electrode, the second electrode are both connected with the power supply through leads, a current sensor is also arranged on the lead between the second electrode and the power supply, the current sensor transmits detected current data to an external computer, a speed regulating fan is arranged on the side wall of the bearing frame above the first electrode and the second electrode, and a controller is also arranged at the top of one side of the bottom plate, and an asphalt spraying mechanism is also arranged on the top plate. The utility model can improve the precision of the test result to a certain extent.

Description

Device for testing demulsification speed of emulsified asphalt

Technical Field

The utility model relates to a device for testing the demulsification speed of emulsified asphalt, belonging to the field of road engineering.

Background

The emulsified asphalt mixture has been widely used in road engineering because of its advantages of low carbon, energy saving, environmental protection, huge usage space, excellent cost performance, etc. Asphalt is originally a sticky cohesive substance, and the demulsification is that the asphalt is separated from emulsion to make particles aggregate with each other, so as to form a thin layer covering on aggregates and road surfaces. The problem of demulsification control is an important problem in the use process of the emulsified asphalt cold-mix mixture. The demulsification speed testing device in the prior art adopts an external voltage to measure the current value of the emulsified asphalt to represent the demulsification speed of the emulsified asphalt, but in actual application, the demulsification speed of the emulsified asphalt is influenced by other external factors, and the accuracy of a testing result has certain deviation.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the device for testing the demulsification speed of the emulsified asphalt, which is simple to operate and can improve the accuracy of a test result to a certain extent.

The technical scheme adopted by the utility model is as follows:

a device for testing the demulsification speed of emulsified asphalt comprises a bottom plate, wherein four upright posts are correspondingly arranged at the four corners of the bottom plate, a top plate is horizontally arranged at the tops of the four upright posts, a transparent and insulating bearing frame is arranged at the top of the bottom plate, a bearing plate is arranged in the bearing frame, a through hole with an inverted-convex structure is formed in the bearing plate, a first electrode and a second electrode are correspondingly arranged on the inner side walls of the two sides of the bearing frame above the bearing plate, a power supply is arranged at the top of one side, close to the bearing frame, of the bottom plate, the first electrode and the second electrode are both connected with the power supply through leads, a current sensor is also arranged on the lead between the second electrode and the power supply, the current sensor transmits detected current data to an external computer, a speed regulating fan is also arranged on the side wall of the bearing frame above the first electrode and the second electrode, and a controller is also arranged at the top of one side of the bottom plate, and the top plate is also provided with an asphalt spraying mechanism with an execution end corresponding to the bearing frame.

Preferably, the pitch spray mechanism is including setting up the emulsified asphalt bin on the roof and setting up the pitch spray pump that is located emulsified asphalt bin one of them side on the roof, the entry of pitch spray pump and the lateral wall below intercommunication of emulsified asphalt bin, the export of pitch spray pump is provided with vertical downwardly extending and alternates the roof and extend to the unloading pipe of roof below, it is equipped with the fixed plate to hang through a plurality of dead lever in the roof below, the fixed plate bottom evenly is provided with a plurality of spray tube, the bottom of a plurality of spray tube all is provided with the shower nozzle, unloading pipe extends to the top of fixed plate and communicates through a plurality of pipe and spray tube, fixed plate bottom between the spray tube still is provided with a plurality of infrared radiation lamp, heating temperature through operation control infrared radiation lamp on the controller.

Further preferably, the bottom of the bottom plate is also provided with a plurality of support legs.

Further preferably, the bottom of the bearing frame is also provided with a drain pipe which penetrates through the bottom plate.

Further preferably, a material collecting plate with the bottom surface attached to the upper surface of the step section of the through hole is arranged in the through hole of the inverted-convex-shaped structure on the bearing plate, and a lifting handle and a temperature sensor are arranged on the upper surface of the material collecting plate.

The utility model has the beneficial effects that:

the influence of different factors on the demulsification speed of the emulsified asphalt is analyzed by adjusting the wind power, the external temperature and the type of aggregate borne by the emulsified asphalt during spraying, and the accuracy of a test result is improved to a certain degree.

Drawings

FIG. 1 is a schematic structural view of the present invention;

the main reference numerals in the figures have the following meanings:

1. the device comprises a bottom plate, 2, a stand column, 3, a top plate, 4, a bearing frame, 5, a bearing plate, 6, a first electrode, 7, a second electrode, 8, a power supply, 9, a current sensor, 10, a speed regulation fan, 11, a controller, 12, an emulsified asphalt storage box, 13, an asphalt spraying pump, 14, a discharging pipe, 15, a fixing plate, 16, a spraying pipe, 17, a spray head, 18, an infrared radiation lamp, 19, a support leg, 20, a liquid discharge pipe, 21, a material collecting plate, 22, a handle, 23 and a temperature sensor.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1: the embodiment is a device for testing emulsion breaking speed of emulsified asphalt, which comprises a bottom plate 1, four upright posts 2 are correspondingly arranged at four corners of the bottom plate 1, a top plate 3 is horizontally arranged at the tops of the four upright posts 2, a transparent and insulating bearing frame 4 is arranged at the top of the bottom plate 1, a bearing plate 5 is arranged in the bearing frame 4, a through hole with an inverted convex structure is arranged on the bearing plate 5, a first electrode 6 and a second electrode 7 are correspondingly arranged on the inner side walls of two sides of the bearing frame 4 above the bearing plate 5, a power supply 8 is arranged at the top of one side of the bottom plate 1, which is close to the bearing frame 4 and is provided with the first electrode 6, the first electrode 6 and the second electrode 7 are both connected with the power supply 8 through leads, a current sensor 9 is also arranged on the lead between the second electrode 7 and the power supply 8, the current sensor 9 transmits detected current data to an external computer, speed regulating fans 10 are also respectively arranged on the side walls of two sides of the bearing frame 4 above the first electrode 6 and the second electrode 7, the two speed-regulating fans 10 are arranged in a staggered manner; the top of one side of the bottom plate 1 is also provided with a controller 11, and the top plate 3 is also provided with an asphalt spraying mechanism of which the execution end corresponds to the bearing frame 4.

Referring to fig. 1, the asphalt spraying mechanism comprises an emulsified asphalt storage tank 12 arranged on a top plate 3 and an asphalt spraying pump 13 arranged on the top plate 3 and located on one side of the emulsified asphalt storage tank 12, an inlet of the asphalt spraying pump 13 is communicated with the lower portion of the side wall of the emulsified asphalt storage tank 12, a discharging pipe 14 vertically extending downwards, penetrating through the top plate 3 and extending to the lower portion of the top plate 3 is arranged at an outlet of the asphalt spraying pump 13, a fixing plate 15 is hung below the top plate 3 through a plurality of fixing rods, a plurality of spraying pipes 16 are uniformly arranged at the bottom of the fixing plate 15, nozzles 17 are arranged at the bottom ends of the plurality of spraying pipes 16, the discharging pipe 14 extends to the upper portion of the fixing plate 15 and is communicated with the spraying pipes 16 through a plurality of guide pipes, and a plurality of infrared radiation lamps 18 are further arranged at the bottom of the fixing plate 15 between the spraying pipes 16; in practical application, a heating device and a temperature sensor can be arranged in the emulsified asphalt storage tank 12, and the heating device is controlled by the controller 11 to heat the emulsified asphalt so as to meet the test requirement.

Referring to fig. 1, the bottom of the base plate 1 is further provided with a plurality of legs 19.

Referring to fig. 1, the bottom of the carriage 4 is further provided with a drain pipe 20 inserted through the bottom plate 1.

Referring to fig. 1, a material collecting plate 21 with a bottom surface attached to the upper surface of the stepped section of the through hole is arranged in the through hole of the inverted-convex structure on the bearing plate 5, the material collecting plate 21 can select acid aggregate or alkaline aggregate according to test requirements, and a handle 22 and a temperature sensor 23 are arranged on the upper surface of the material collecting plate 21.

In practical application, the material collecting plate 21 is placed in the through hole in the bearing plate 5, the bottom of the material collecting plate 21 is attached to the upper surface of the stepped section of the through hole, then the temperature sensor 23 is fixed on the material collecting plate 21, and the controller 11 is switched on and sets the heating temperature to make the infrared radiation lamp 18 irradiate and heat the material collecting plate 21, when the temperature sensor 23 reaches the required temperature, the asphalt spraying pump 13 is started to pump out the emulsified asphalt in the emulsified asphalt storage tank 12 and spray the emulsified asphalt to the aggregate plate 21 through the spray head 17 to form a certain thickness so that the first electrode 6 and the second electrode 7 are communicated through the emulsified asphalt layer, and then starting a speed-regulating fan 10 to act on the emulsified asphalt layer and switching on a power supply 8, and as time goes by and along with the demulsification of the emulsified asphalt, a current sensor 9 detects different current values, transmits the measured current data flowing through the emulsified asphalt layer to an external computer for calculation and outputs the test data through the computer.

When the influence of different temperatures, different wind powers and different properties of aggregates on the demulsification speed is required, only the heating temperature of the infrared radiation lamp 18, the wind speed of the speed regulating fan 10 and the acidity and alkalinity of the aggregate plate 21 need to be set.

The above description is only a preferred embodiment of the present patent, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the inventive concept, and these modifications and decorations should also be regarded as the protection scope of the present patent.

Claims

1. The utility model provides a device of emulsified asphalt demulsification speed test which characterized in that: the device comprises a bottom plate (1), four upright posts (2) are correspondingly arranged at four corners of the bottom plate (1), a top plate (3) is horizontally arranged at the tops of the four upright posts (2), a transparent and insulating bearing frame (4) is arranged at the top of the bottom plate (1), a bearing plate (5) is arranged in the bearing frame (4), a through hole with an inverted convex structure is formed in the bearing plate (5), a first electrode (6) and a second electrode (7) are correspondingly arranged on the inner side walls of two sides of the bearing frame (4) above the bearing plate (5), a power supply (8) is arranged at the top of one side, close to the bearing frame (4), of the bottom plate (1), provided with the first electrode (6), the first electrode (6) and the second electrode (7) and connected with the power supply (8) through leads, and a current sensor (9) is further arranged on the leads between the second electrode (7) and the power supply (8), the current sensor (9) transmits detected current data to an external computer, a speed regulation fan (10) is further arranged on the side wall of the bearing frame (4) above the first electrode (6) and the second electrode (7), a controller (11) is further arranged at the top of one side of the bottom plate (1), and an asphalt spraying mechanism with an execution end corresponding to the bearing frame (4) is further arranged on the top plate (3).

2. The emulsified asphalt demulsification speed testing device as claimed in claim 1, wherein the asphalt spraying mechanism comprises an emulsified asphalt storage tank (12) arranged on the top plate (3) and an asphalt spraying pump (13) arranged on the top plate (3) and positioned on one side of the emulsified asphalt storage tank (12), an inlet of the asphalt spraying pump (13) is communicated with the lower part of the side wall of the emulsified asphalt storage tank (12), an outlet of the asphalt spraying pump (13) is provided with a discharge pipe (14) which vertically extends downwards, penetrates through the top plate (3) and extends to the lower part of the top plate (3), a fixing plate (15) is hung below the top plate (3) through a plurality of fixing rods, a plurality of spraying pipes (16) are uniformly arranged at the bottom of the fixing plate (15), and a spray head (17) is arranged at the bottom end of each spraying pipe (16), the blanking pipe (14) extends to the upper part of the fixing plate (15) and is communicated with the spraying pipes (16) through a plurality of guide pipes, and a plurality of infrared radiation lamps (18) are further arranged at the bottom of the fixing plate (15) between the spraying pipes (16).

3. The device for testing the demulsification speed of the emulsified asphalt as claimed in claim 1, wherein the bottom of the bottom plate (1) is further provided with a plurality of support legs (19).

4. The device for testing the demulsification speed of the emulsified asphalt as claimed in claim 1 or 3, wherein the bottom of the bearing frame (4) is also provided with a drain pipe (20) which penetrates through the bottom plate (1).

5. The device for testing the demulsification speed of the emulsified asphalt as claimed in claim 1, wherein a material collecting plate (21) with a bottom surface attached to the upper surface of the stepped section of the through hole is arranged in the through hole of the inverted-convex structure on the bearing plate (5), and a handle (22) and a temperature sensor (23) are arranged on the upper surface of the material collecting plate (21).