CN112147184A - Asphalt flash point detection device - Google Patents
Asphalt flash point detection device Download PDFInfo
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- CN112147184A CN112147184A CN202011326963.2A CN202011326963A CN112147184A CN 112147184 A CN112147184 A CN 112147184A CN 202011326963 A CN202011326963 A CN 202011326963A CN 112147184 A CN112147184 A CN 112147184A
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- asphalt
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
- G01N25/52—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining flash-point of liquids
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Abstract
The invention discloses an asphalt flash point detection device, which comprises the following components: comprises a detection device body, a heating device arranged on an operation table of the detection device body, a thermometer arranged on the left side of the heating device and an igniter arranged on the right side of the heating device; the right end of the operating platform is provided with a heat preservation device for preserving heat of the Cleveland open cup, and an asphalt bubble removing device for removing asphalt bubbles inside the Cleveland open cup is arranged above the Cleveland open cup. According to the invention, air bubbles in asphalt can be removed through the asphalt defoaming device, the Cleveland open cup is moved into the heating device, and the electric heating device is matched with the igniter and the thermometer to detect the flash point of the asphalt sample, wherein the asphalt defoaming device removes the air bubbles in the asphalt and avoids the influence of the air bubbles on asphalt flash point detection.
Description
Technical Field
The invention relates to the technical field of asphalt detection equipment, in particular to an asphalt flash point detection device.
Background
The flash point of the asphalt is an index for evaluating the construction safety of the asphalt, and the flash point refers to the lowest temperature at which steam volatilized from a combustible liquid can flash and ignite when meeting a fire source after forming a combustible mixture with air, and the combustion cannot be continued at the temperature, so that if the temperature is continuously increased, the asphalt can be combusted, and a fire disaster can be caused. Therefore, the detection of the flash point of asphalt is a very important task.
The existing asphalt sample surface has air bubbles which can influence the accuracy of asphalt flash point detection, and flash point detection equipment mostly does not have the function of removing the air bubbles in the asphalt sample, so that an asphalt flash point detection device capable of removing the air bubbles in the asphalt sample is designed.
Disclosure of Invention
In order to improve the problems, the invention is embodied by the following technical scheme: an asphalt flash point detection device: comprises a detection device body, a heating device arranged on an operation table of the detection device body, a thermometer arranged on the left side of the heating device and an igniter arranged on the right side of the heating device; the device is characterized in that a heat preservation device for preserving heat of the Cleveland open cup is arranged at the right end of the operating platform, and an asphalt bubble removing device for removing asphalt bubbles in the Cleveland open cup is arranged above the Cleveland open cup;
the asphalt defoaming device comprises a mounting plate which is arranged on the detection device main body in a sliding manner and a defoaming plate which is used for taking away asphalt bubbles in the Cleveland open cup, the rear end of the mounting plate is connected with one end of a sliding seat, and the other end of the sliding seat penetrates through the detection device main body and is connected with the movable end of a telescopic electric cylinder on the back of the detection device main body;
the bubble removing plate is sequentially provided with a fixed plate and a rotating plate from bottom to top, the central position of the rotating plate is fixedly provided with a connecting seat, the lower end of the connecting seat is rotatably connected with the fixed plate, the upper end of the connecting seat is detachably connected with one end of the rotating rod, the other end of the rotating rod is fixedly connected with an output shaft of a rotating motor on the mounting plate, a plurality of through holes are respectively arranged on the fixed plate and the rotating plate, the non-rotating plate is matched with the fixed plate to be completely sealed, a through hole which is communicated up and down is formed between the rotating plate and the fixed plate after rotating clockwise by 45 degrees relative to the fixed plate, the outer side of the fixed plate is fixedly connected with a sealing ring, both sides of the sealing ring are connected with clamping teeth in a sliding way, the latch is fixedly arranged on the transmission plate, the transmission plate is connected with the sealing ring in a sliding mode, and a first reset spring is arranged between the sealing ring and the transmission plate.
As a preferred embodiment of the present invention, the left and right ends of the mounting plate are fixedly connected with connecting rods, respectively, one side of one of the connecting rods, which is close to the cleveland opening cup, is provided with a position sensing device, and the position sensing device and the defoaming plate are on the same horizontal plane; the position sensing device comprises an arc-shaped sliding block which is arranged on a connecting rod in a sliding mode, one end, located inside the connecting rod, of the arc-shaped sliding block is connected with one end of a second reset spring, the other end of the second reset spring is fixedly connected with the connecting rod, a pressure sensor is further arranged in the connecting rod, the arc-shaped sliding block can be extruded to the pressure sensor by a flange arranged on a Cleveland opening cup, the pressure sensor is electrically connected with a processor in a motor box on a detection device main body, and a controller in the motor box is electrically connected with a telescopic electric cylinder and a rotating motor.
As a preferred embodiment of the present invention, the heat preservation device includes a heat preservation shell, the heat preservation shell is provided with an upward-opening storage cavity, the heat preservation shell is sequentially provided with a heat conduction layer, a heating layer and a heat insulation layer from inside to outside, the heat conduction layer is made of copper, the heat insulation layer is a vacuum plate, and the heating layer is internally provided with an electric heating wire.
In a preferred embodiment of the present invention, a polarization motor is disposed inside the thermal insulation device, and an output end of the polarization motor is located in the storage cavity of the thermal insulation shell and contacts with the cleveland open cup.
As a preferred embodiment of the present invention, the heating device includes a heating shell, the heating shell is provided with a storage cavity for placing the cleveland open cup, the heating shell is sequentially provided with a heat conduction layer, a heating layer and a heat insulation layer from inside to outside, the heat conduction layer is made of copper, the heat insulation layer is a vacuum plate, and the heating layer is internally provided with a high-power electric heating wire and a low-power electric heating wire.
In a preferred embodiment of the present invention, the cleveland open cup is provided with a round handle, an annular mark line is provided at a position 9.4 mm away from the cup rim on the inner wall of the cleveland open cup, and the distance between the protruding edge and the cup rim is also 9.4 mm.
In a preferred embodiment of the present invention, a cleaning bath for cleaning the bubble removing plate is provided on the right side of the detecting device main body.
The asphalt flash point detection device has the following two beneficial effects:
firstly, the invention can remove air bubbles in the asphalt through the asphalt bubble removing device, then the Cleveland open cup is moved into the heating device, and the flash point of the asphalt sample is detected through the electric heating device matched with the igniter and the thermometer, wherein the asphalt bubble removing device removes the air bubbles in the asphalt and avoids the influence of the air bubbles on the asphalt flash point detection.
Secondly, the invention can also remove redundant asphalt samples in the Cleveland open-ended cup through the bubble removing device, so that the asphalt samples in the Cleveland open-ended cup are just positioned at the position of the annular marked line of the Cleveland open-ended cup, and the accuracy of the subsequent asphalt flash point detection is ensured.
Drawings
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is a side view of an asphalt debubbling apparatus of the present invention;
FIG. 3 is a schematic structural view of an asphalt defoaming device according to the present invention;
FIG. 4 is a schematic structural diagram of a position sensing device according to the present invention;
FIG. 5 is a schematic structural view of the defoaming plate of the present invention;
FIG. 6 is a partial schematic view of a seal ring of the present invention;
fig. 7 is a top view of the bubble removal plate of the present invention.
In the figure: 1. a detection device main body; 2. a heat preservation device; 3. an asphalt defoaming device; 4. cleaning the pool; 5. a heating device; 6. a cleveland open cup; 7. an igniter; 8. a thermometer;
21. a heat preservation shell; 22. a polarization motor;
31. mounting a plate; 32. rotating the motor; 33. a rotating rod; 34. removing the bubble plate; 35. a connecting rod; 36. a position sensing device;
341. a fixing plate; 342. a connecting seat; 343. a rotating plate; 344. a seal ring; 345. clamping teeth; 346. a drive plate; 347. a first return spring;
361. an arc-shaped sliding block; 362. a second return spring; 363. a pressure sensor.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an asphalt flash point detection device: comprises a detection device body 1, a heating device 5 arranged on an operation table of the detection device body 1, a thermometer 8 arranged on the left side of the heating device 5 and an igniter 7 arranged on the right side of the heating device 5; the device is characterized in that a heat preservation device 2 used for preserving heat of a Cleveland open cup 6 is arranged at the right end of the operating platform, and an asphalt bubble removing device 3 used for removing asphalt bubbles in the Cleveland open cup 6 is arranged above the Cleveland open cup 6; firstly, placing a Cleveland open cup 6 containing an asphalt sample which is heated to a flowing state in a heat preservation device 2, then removing bubbles in asphalt through an asphalt bubble removing device 3, then moving the Cleveland open cup 6 into a heating device 5, rapidly heating through a high-power electric heating device, slowly heating through a low-power electric heating device, starting to sweep by using test flame of an igniter 7 until the temperature is raised to 28 ℃ before an expected flash point, and sweeping once when the temperature on a thermometer is raised by 2 ℃. When a flash fire occurred at any point on the specimen surface, a temperature reading from the thermometer was immediately recorded as the flash point.
The asphalt defoaming device 3 comprises a mounting plate 31 arranged on the detection device body 1 in a sliding manner and a defoaming plate 34 used for taking away asphalt bubbles in the Cleveland open cup 6, the rear end of the mounting plate 31 is connected with one end of a sliding seat, and the other end of the sliding seat penetrates through the detection device body 1 and is connected with the movable end of a telescopic electric cylinder on the back of the detection device body 1; the telescopic electric cylinder drives the bubble removing plate 34 on the mounting plate 31 to extend into the bottom of the Cleveland open cup 6, at the moment, the bubble removing plate 34 is in a through shape, and the liquid asphalt and bubbles in the liquid asphalt can flow up and down through the bubble removing plate 34;
the bubble removing plate 34 is sequentially provided with a fixed plate 341 and a rotating plate 343 from bottom to top, the center position of the rotating plate 343 is fixedly provided with a connecting seat 342, the lower end of the connecting seat 342 is rotatably connected with the fixed plate 341, the upper end of the connecting seat 342 is detachably connected with one end of a rotating rod 33, the other end of the rotating rod 33 is fixedly connected with an output shaft of a rotating motor 32 on the mounting plate 31, the fixed plate 341 and the rotating plate 343 are both provided with a plurality of through holes, the non-rotating plate 343 and the fixed plate 341 are completely sealed in a matching manner, a through hole which is vertically communicated is formed between the rotating plate 343 which rotates clockwise 45 degrees relative to the fixed plate 341 and the fixed plate 341, the outer side of the fixed plate 341 is fixedly connected with a sealing ring 344, both sides of the sealing ring 344 are slidably connected with latch teeth 345, the latch teeth 345 are fixedly arranged on the transmission, a first return spring 347 is arranged between the sealing ring 344 and the transmission plate 346; when the defoaming plate 34 extends into the cleveland open cup 6, the latch 345 presses the inner wall of the cleveland open cup 6 under the action of the first return spring 347 to increase the friction force between the fixed plate 341 and the cleveland open cup 6, after all the bubbles in the asphalt rise to the topmost surface of the asphalt, the telescopic electric cylinder drives the mounting plate 31 and the defoaming plate 34 to rise until the bubbles rise to the annular marking position of the cleveland open cup 6, the rotating motor 32 operates to drive the rotating plate 343 to rotate relative to the fixed plate 341, the through holes in the rotating plate 343 and the fixed plate 341 are shielded mutually, the defoaming plate 34 is converted into a closed state from an initial through state, then the telescopic electric cylinder operates to rise the defoaming plate 34 again, the defoaming plate 34 removes the bubbles on the top surface of the asphalt and the redundant asphalt together, namely the bubbles in the sample asphalt are removed and the redundant asphalt sample in the cleveland open cup 6 is removed, the level of sample bitumen is brought to the annular scale position of the cleveland open cup 6.
As a preferred embodiment of the present invention, the left and right ends of the mounting plate 31 are fixedly connected with connecting rods 35, respectively, one side of one of the connecting rods 35 close to the cleveland opening cup 6 is provided with a position sensing device 36, and the position sensing device 36 and the defoaming plate 34 are on the same horizontal plane; the position sensing device 36 comprises an arc-shaped sliding block 361 which is slidably arranged on the connecting rod 35, one end of the arc-shaped sliding block 361, which is positioned inside the connecting rod 35, is connected with one end of a second return spring 362, the other end of the second return spring 362 is fixedly connected with the connecting rod 35, a pressure sensor 363 is further arranged inside the connecting rod 35, the arc-shaped sliding block 361 can be extruded to the pressure sensor 363 by a protruding edge arranged on the Cleveland open cup 6, the pressure sensor 363 is electrically connected with a processor in a motor box on the detection device main body 1, and a controller in the motor box is electrically connected with the telescopic electric cylinder and the rotating motor 32; when the defoaming plate 34 rises to the position of the annular marking line, the arc-shaped sliding block 361 AT the bottom end of the connecting rod 35 is extruded to the pressure sensor 363 by the convex edge on the Cleveland open cup 6, the pressure sensor 363 sends a signal to a processor in the electromechanical box after being pressed, the processor controls the telescopic electric cylinder to stop working through the controller, controls the rotating motor to drive the rotating plate 343 of the defoaming plate 34 to rotate, so that the defoaming plate 34 becomes a closed state, then controls the telescopic electric cylinder to continue working, and takes asphalt bubbles on the defoaming plate 34 out of the Cleveland open cup 6, wherein the model of the processor is AT89C2051, and the model of the controller is SRD-05 VDC-SL-C.
As a preferred embodiment of the present invention, the heat preservation device 2 includes a heat preservation shell 21, the heat preservation shell 21 is provided with an upward-opening storage cavity, the heat preservation shell 21 is sequentially provided with a heat conduction layer, a heating layer and a heat insulation layer from inside to outside, the heat conduction layer is made of copper, the heat insulation layer is a vacuum plate, and an electric heating wire is arranged in the heating layer.
As a preferred embodiment of the present invention, a polarization motor 22 is disposed inside the heat preservation device 2, and an output end of the polarization motor 22 is located in the storage cavity of the heat preservation shell 21 and contacts with the cleveland open cup 6; shaking the cleveland open cup 6 by the polarising motor allows the bubbles in the bitumen to rise more easily to the level of the sample bitumen.
As a preferred embodiment of the present invention, the heating device 5 includes a heating shell, the heating shell is provided with a storage cavity for placing the cleveland open cup 6, the heating shell is sequentially provided with a heat conduction layer, a heating layer and a heat insulation layer from inside to outside, the heat conduction layer is made of copper, the heat insulation layer is a vacuum plate, and the heating layer is internally provided with a high-power electric heating wire and a low-power electric heating wire.
In a preferred embodiment of the present invention, the cleveland open cup 6 is provided with a round handle, the position of the inner wall of the cleveland open cup 6, which is 9.4 mm away from the cup rim, is provided with an annular mark line, and the distance between the protruding edge and the cup rim is also 9.4 mm.
In a preferred embodiment of the present invention, a cleaning bath 4 for cleaning the bubble removing plate 34 is provided on the right side of the detecting unit body 1.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. An asphalt flash point detection device comprises a detection device body (1), a heating device (5) arranged on an operation table of the detection device body (1), a thermometer (8) arranged on the left side of the heating device (5) and an igniter (7) arranged on the right side of the heating device (5); the device is characterized in that a heat preservation device (2) for preserving heat of the Cleveland open cup (6) is arranged at the right end of the operating platform, and an asphalt bubble removing device (3) for removing asphalt bubbles in the Cleveland open cup (6) is arranged above the Cleveland open cup (6);
the asphalt defoaming device (3) comprises a mounting plate (31) which is arranged on the detection device main body (1) in a sliding manner and a defoaming plate (34) which is used for taking away asphalt bubbles in the Cleveland open cup (6), the rear end of the mounting plate (31) is connected with one end of a sliding seat, and the other end of the sliding seat penetrates through the detection device main body (1) and is connected with the movable end of a telescopic electric cylinder on the back of the detection device main body (1);
the defoaming device is characterized in that a fixed plate (341) and a rotating plate (343) are sequentially arranged from bottom to top on the defoaming plate (34), a connecting seat (342) is fixedly arranged at the center position of the rotating plate (343), the lower end of the connecting seat (342) is rotatably connected with the fixed plate (341), the upper end of the connecting seat (342) is detachably connected with one end of a rotating rod (33), the other end of the rotating rod (33) is fixedly connected with an output shaft of a rotating motor (32) on the mounting plate (31), a plurality of through holes are formed in the fixed plate (341) and the rotating plate (343), the non-rotating plate (343) is completely sealed in cooperation with the fixed plate (341), a through hole which is vertically communicated is formed between the rotating plate (343) which rotates 45 degrees clockwise relative to the fixed plate (341) and the fixed plate (341), a sealing ring (344) is fixedly connected to the outer side of the fixed plate (341), and clamping teeth (345) are slidably, the latch (345) is fixedly arranged on a transmission plate (346), the transmission plate (346) is in sliding connection with a sealing ring (344), and a first return spring (347) is arranged between the sealing ring (344) and the transmission plate (346).
2. An asphalt flash point detection device according to claim 1, characterized in that the left and right ends of the mounting plate (31) are fixedly connected with connecting rods (35), respectively, one side of one connecting rod (35) close to the Cleveland open cup (6) is provided with a position sensing device (36), and the position sensing device (36) and the defoaming plate (34) are on the same horizontal plane; the position sensing device (36) comprises an arc-shaped sliding block (361) which is arranged on a connecting rod (35) in a sliding mode, one end, located inside the connecting rod (35), of the arc-shaped sliding block (361) is connected with one end of a second reset spring (362), the other end of the second reset spring (362) is fixedly connected with the connecting rod (35), a pressure sensor (363) is further arranged in the connecting rod (35), the arc-shaped sliding block (361) can be arranged on a flange of a Cleveland opening cup (6) to press the pressure sensor (363), the pressure sensor (363) is electrically connected with a processor in an electromechanical box on the detection device main body (1), and a controller in the electromechanical box is electrically connected with a telescopic electric cylinder and a rotating motor (32).
3. The asphalt flash point detection device according to claim 1, wherein the heat preservation device (2) comprises a heat preservation shell (21), the heat preservation shell (21) is provided with an upward-opening storage cavity, the heat preservation shell (21) is provided with a heat conduction layer, a heating layer and a heat insulation layer in sequence from inside to outside, the heat conduction layer is made of copper, the heat insulation layer is a vacuum plate, and a heating wire is arranged in the heating layer.
4. An asphalt flash point detection device according to claim 1, characterized in that a polarization motor (22) is arranged inside the heat preservation device (2), and the output end of the polarization motor (22) is located in the storage cavity of the heat preservation shell (21) and is in contact with the Cleveland open cup (6).
5. The asphalt flash point detection device according to claim 1, characterized in that the heating device (5) comprises a heating shell, the heating shell is provided with an object placing cavity for placing the Cleveland open cup (6), the heating shell is provided with a heat conduction layer, a heating layer and a heat insulation layer in sequence from inside to outside, the heat conduction layer is made of copper, the heat insulation layer is a vacuum plate, and a high-power heating wire and a low-power heating wire are arranged in the heating layer.
6. An asphalt flash point detection device according to claim 2, characterized in that a round handle is arranged on the Cleveland open cup (6), an annular mark line is arranged at a position 9.4 mm away from the cup mouth on the inner wall of the Cleveland open cup (6), and the distance between the raised edge and the cup mouth is also 9.4 mm.
7. An asphalt flash point detecting device according to claim 1, characterized in that a cleaning pool (4) for cleaning the bubble removing plate (34) is arranged at the right side of the detecting device main body (1).
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CN202011326963.2A CN112147184B (en) | 2020-11-24 | 2020-11-24 | Asphalt flash point detection device |
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CN202011326963.2A CN112147184B (en) | 2020-11-24 | 2020-11-24 | Asphalt flash point detection device |
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CN112147184A true CN112147184A (en) | 2020-12-29 |
CN112147184B CN112147184B (en) | 2021-04-23 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113030178A (en) * | 2021-03-02 | 2021-06-25 | 陈能 | Open flash point tester |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113030178A (en) * | 2021-03-02 | 2021-06-25 | 陈能 | Open flash point tester |
CN113030178B (en) * | 2021-03-02 | 2023-10-10 | 陈能 | Open flash point tester |
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