CN110095309B - Asphalt layered sampling device in normal temperature environment and sampling method thereof - Google Patents
Asphalt layered sampling device in normal temperature environment and sampling method thereof Download PDFInfo
- Publication number
- CN110095309B CN110095309B CN201910401308.XA CN201910401308A CN110095309B CN 110095309 B CN110095309 B CN 110095309B CN 201910401308 A CN201910401308 A CN 201910401308A CN 110095309 B CN110095309 B CN 110095309B
- Authority
- CN
- China
- Prior art keywords
- sampling
- electric heating
- asphalt
- sleeve
- layered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an asphalt layered sampling device in a normal temperature environment and a sampling method thereof, wherein the layered sampling device comprises a layered sampling tube, a sampling tube heating auxiliary device, an electric heating external sleeve and a sleeve sampling port baffle plate, and the wall of the layered sampling tube is provided with a vent hole and a sampling nozzle; the sampling tube heating auxiliary device is provided with a first electric heating sheet, and the electric heating external sleeve is provided with a sampling port; a second electric heating sheet is arranged on the inner side wall of the electric heating external sleeve; the sleeve sampling opening shielding plate can be movably inserted into the inner side wall of the electric heating external sleeve, and the layered sampling tube can be integrally placed into the electric heating external sleeve after being installed on the bottom of the sampling tube heating auxiliary device. The asphalt layered sampling device under the normal-temperature environment ensures that the extracted sample is consistent with the actual condition, can realize layered sampling of asphalt under the normal-temperature environment, is more convenient, does not need heating of the whole tank of asphalt, reduces energy consumption, and is beneficial to evaluating the layering performance of asphalt during long-term storage.
Description
Technical Field
The invention belongs to the field of asphalt samplers, and particularly relates to an asphalt layered sampling device and an asphalt layered sampling method in a normal-temperature environment.
Background
The asphalt is a black brown mixture composed of hydrocarbons with different molecular weights and nonmetallic derivatives, has high viscosity at normal temperature, is in a solid or semi-solid state, and has fluidity when heated to more than 80 ℃. In the production and construction of asphalt, in order to ensure the quality and construction quality of asphalt, the asphalt needs to be sampled and inspected, and the sample is reserved for future inspection.
The general sampling method is: 1. the asphalt in the tank has fluidity in a heating state, and a sampling valve is opened for sampling; 2. sampling from a sample retention tank: and heating the sample tank, and sampling after the asphalt in the tank is melted.
Traditional bitumen sampling methods are more limited, such as: 1. when the asphalt tank is at normal temperature, the sampling can not be carried out; 2. for the sample of the sample tank, the whole tank needs to be heated, the sampling time is long, and the sampling representativeness can not be ensured; 3. when a reserved sample is measured for multiple times, the asphalt sample is heated and cooled repeatedly, the performance of the reserved sample can be changed, and the accuracy of reserved sample detection is influenced; 4. moreover, when the asphalt is heated, asphalt in each layer in the barrel flows and mixes, so that the property difference between the taken sample and the sample stored in the actual condition is large, and the sample is not highly representative.
In summary, it is necessary to provide an asphalt sampling device capable of avoiding total heating and realizing layered sampling.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems and the defects in the prior art, the invention provides the asphalt layered sampling device under the normal-temperature environment, which overcomes the defects of the traditional sampling mode and equipment and ensures the coincidence of the extracted sample and the actual situation; the asphalt layered sampling device under the normal temperature environment can solve the following problems: when the asphalt tank is at normal temperature, the sampling can not be carried out; for the sample of the sample tank, the whole tank needs to be heated, the sampling time is long, and the sampling representativeness can not be ensured; when a reserved sample is measured for multiple times, the asphalt sample is heated and cooled repeatedly, the performance of the reserved sample can be changed, and the accuracy of reserved sample detection is influenced; moreover, when the asphalt is heated, asphalt in each layer in the barrel flows and mixes, so that the property difference between the taken sample and the sample stored in the actual condition is large, and the sample is not highly representative.
The invention also provides a sampling method of the asphalt layered sampling device in the normal temperature environment.
The technical scheme is as follows: in order to achieve the purpose, the asphalt layered sampling device in the normal temperature environment comprises a layered sampling tube, a sampling tube heating auxiliary device, an electric heating external sleeve and a sleeve sampling port baffle plate, wherein a vent hole and a sampling nozzle are arranged on one side of the tube wall of the layered sampling tube; the sampling tube heating auxiliary device is characterized in that the main body of the sampling tube heating auxiliary device is a heating rod, a first electric heating sheet is arranged on the heating rod, the whole layered sampling tube is detachably mounted on the bottom of the sampling tube heating auxiliary device, a sampling port is arranged on the side surface of the electric heating external sleeve, the distance between adjacent sampling ports is equal to the distance between adjacent sampling nozzles, and the sampling nozzles can penetrate through the sampling ports; a second electric heating sheet is arranged on the inner side wall of the electric heating outer sleeve; the sleeve sampling opening shielding plate can be movably inserted into the inner side wall of the electric heating external sleeve, the sampling opening is sealed, and the layered sampling tube can be integrally placed into the electric heating external sleeve after being installed on the bottom of the sampling tube heating auxiliary device.
Wherein, the layering sampling tube has a plurality of to constitute, and every layering sampling tube one side is provided with the air vent, and the opposite side is provided with the sample mouth, and the bottom is solid base, and the diameter of solid base equals the internal diameter of layering sampling tube, in order to realize the piling up of layering sampling tube.
The sampling nozzle is formed by splicing two stainless steel sheets into a V shape at an angle of 90 degrees, the length of the sampling nozzle is 4-5cm, the preferred length is 5cm, the width of the V shape is 1cm, and the sampling nozzle is provided with a tip so as to be convenient for penetrating into asphalt and facilitating the asphalt on the upper part of the sampling nozzle to flow into a layered sampling pipe when the sampling nozzle is penetrated into the asphalt.
Preferably, the whole layered sampling tube comprises a vent hole, a sampling nozzle and a solid base, the material of the solid base is stainless steel, the height range of the whole layered sampling tube is 5-7cm, the height of the base is preferably 6cm, and the inner diameter of the layered sampling tube is 6 cm.
Furthermore, the radius of the vent hole is 0.5cm, and the vent hole ensures that the internal pressure and the external pressure of the sampling tube are equal when sampling, so that asphalt can conveniently enter the sampling tube; the base diameter is 6cm, equals the layering sampling tube internal diameter, is convenient for arrange the base in next sampling tube upper portion opening, realizes the piling up of layering sampling tube.
The heating rod of the sampling tube heating auxiliary device is in an arc surface shape and is matched with the outer surface of the layered sampling tube, first electric heating sheets are longitudinally arranged on the heating rod, the bottom of the sampling tube heating auxiliary device is a hollow base, and the inner diameter of the hollow base is equal to that of the layered sampling tube.
Furthermore, a heat insulation handle is arranged at the top of the heating rod, and a first lead is led out from the end of the first heat insulation handle and connected with an external power supply to heat the first electric heating piece.
Preferably, the whole sampling tube heating auxiliary device main body is made of stainless steel, the height is 55-75cm, preferably 70cm, and is slightly higher than the electric heating outer sleeve, at most 7 layered sampling tubes can be stacked on the sampling tube heating auxiliary device, and the most suitable number of the layered sampling tubes can be selected according to actual sampling requirements. The inner diameter of the hollow base is 6cm and is equal to the inner diameter of an opening at the upper part of the layered sampling tube, so that the solid base of the layered sampling tube can be stably placed; the first electric heating sheets are longitudinally arranged on the heating rod to heat the layered sampling tube arranged on the base, and the distance between every two adjacent first electric heating sheets is 6-10 cm; the first lead of the first electric heating sheet is led out from the end part of the heat insulation handle and can be connected with an external power supply; the heat insulation handle is made of phenolic plastic, and the sampling tube heating auxiliary device can be moved manually in a heating state.
The bottom of the electric heating external sleeve is conical, and the outer wall of the side surface is provided with longitudinally arranged sampling ports; the inner wall of the electric heating external sleeve is provided with a slot, the slot can accommodate the shielding plate of the sampling port of the sleeve to move up and down, and the two are tightly attached; in particular to a shielding plate which is tightly attached to the inner wall of an electric heating external sleeve to seal a sampling port.
Furthermore, the second electric heating pieces are longitudinally arranged at equal intervals along the inner wall of the electric heating outer sleeve and are connected with an external power supply through second leads for heating the second electric heating pieces. .
And second heat insulation handles are symmetrically arranged on two sides of the outer part of the electric heating outer sleeve.
Preferably, the whole electric heating outer sleeve body is made of stainless steel, the height of the cylindrical part is 50-70cm, the preferred height is 60cm, the inner diameter is 15cm, the layered sampling tube is sufficiently accommodated and the sampling is carried out in the layered sampling tube, and particularly the layered sampling tube is sufficiently accommodated and arranged on the bottom of the sampling tube heating auxiliary device to form a whole body which comprises a sampling nozzle. The conical height of the bottom of the electric heating external sleeve is 5cm, so that the electric heating external sleeve can be conveniently inserted into asphalt in the sample reserving barrel after being electrified and heated; the diameter of the sampling opening is 1.5cm, so that a sampling nozzle enters, 7 sampling openings which are longitudinally arranged are arranged on the outer wall of the electric heating outer sleeve, the interval length between every two adjacent sampling openings is 5-7cm, the preferred height is 6cm, and the distance between every two adjacent sampling openings is equal to the height of the layered sampling tube or the height of the layered sampling tube is equal to the distance between every two adjacent sampling openings; the slot is sunken towards the inner side of the electric heating external sleeve, can accommodate the sleeve sampling port baffle plate to move up and down, and is tightly attached to the sleeve sampling port baffle plate, so that the sleeve sampling port baffle plate is tightly attached to the inner wall of the electric heating external sleeve to seal the sampling port; the second electric heating pieces are longitudinally arranged at equal intervals along the inner wall of the electric heating external sleeve, the distance between every two adjacent second electric heating pieces is within 10-15cm, and the second electric heating pieces are connected with an external power supply through second wires to play a role in heating the electric heating external sleeve; the two sides of the external sleeve are symmetrically provided with the heat insulation handles respectively, and the heat insulation handles are made of phenolic plastics, so that the electric heating external sleeve can be manually inserted into the sample retention tank in a heating state.
The sleeve sampling port shielding plate is in a cambered surface shape, the height of the sleeve sampling port shielding plate is 50-70cm, the height of the sleeve sampling port shielding plate is equal to that of the electric heating external sleeve, specifically, the height of the sleeve sampling port shielding plate is equal to that of the inner wall of the cylindrical part of the electric heating external sleeve, the sleeve sampling port shielding plate can be movably inserted into the inner side of the electric heating external sleeve to play a role in sealing the sampling port, and the shielding plate can only slide up and down on the cylindrical part of the external sleeve and.
Preferably, the height of the sleeve sampling port baffle plate is 60cm, the height of the sleeve sampling port baffle plate is equal to that of the electric heating external sleeve, and the sleeve sampling port baffle plate can be inserted into the inner side of the electric heating external sleeve along the slot to play a role in sealing the sampling port.
The sampling method of the asphalt layered sampling device in the normal temperature environment comprises the following steps:
(1) inserting a sleeve sampling port shielding plate into an electric heating external sleeve, and heating the electric heating external sleeve;
(2) inserting the electric heating external sleeve into the sample tank, and stopping heating after the insertion depth reaches the required sampling depth, so that the asphalt around the electric heating external sleeve is cooled;
(3) after the asphalt around the electric heating external sleeve is cooled, taking out the sleeve sampling port baffle plate from the electric heating external sleeve;
(4) stacking the layered sampling tubes to a required sampling depth, and mounting the layered sampling tubes on a hollow base of the sampling tube heating auxiliary device;
(5) heating a layered sampling tube arranged on a base of the sampling tube heating auxiliary device;
(6) putting the heated layered sampling tube integrally arranged at the bottom of the sampling tube heating auxiliary device into an electric heating external sleeve;
(7) aligning the sampling nozzle with a sampling port of the electric heating external sleeve, and stabbing the sampling nozzle into the asphalt outside the electric heating external sleeve through the sampling port;
(8) after the samples in the layered sampling tube are accumulated to a certain degree, the detection quantity is enough to be required by the experiment, namely the layered sampling tube arranged at the bottom of the sampling tube heating auxiliary device is integrally taken out from the interior of the electric heating external sleeve, and the taken samples are labeled in a layered mode and used for detection;
(9) inserting a sleeve sampling port baffle plate into an electric heating external sleeve, heating the electric heating external sleeve, and taking the electric heating external sleeve out of asphalt;
(10) after the asphalt sample taken out is used for detection, the whole device can be cleaned by trichloroethylene for preparing the next sampling.
Has the advantages that: compared with the prior art, the invention has the following advantages:
the asphalt layered sampling device under the normal-temperature environment can realize layered sampling of asphalt under the normal-temperature environment, and is favorable for evaluating the layering performance of asphalt during long-term storage.
The asphalt layered sampling device under the normal temperature environment can sample at normal temperature, and is more convenient; the whole tank of asphalt is not required to be heated, so that the energy consumption is reduced; and because the whole tank of asphalt does not need to be heated, the aging phenomenon of the asphalt caused in the heating process is reduced.
In addition, since the deposited asphalt may have a similar segregation phenomenon, the asphalt in the upper part of the tank and the asphalt in the lower part of the tank may have different compositions and properties, and if the whole tank is heated, the asphalt in each part of the tank may be uniformly re-mixed, which makes it difficult to grasp the performance of the tank in actual situations. Therefore, the invention carries out layered sampling and solves the problems that the difference between the taken sample and the actual asphalt is large and the sample is not representative when the traditional method is used for sampling.
Specifically, the method comprises the following steps: 1. the design of the electric heating external sleeve and the electric heating sheet on the heating rod of the asphalt layered sampling device in the normal temperature environment enables the asphalt in the sample retention tank to avoid the heating of the whole tank, saves the sampling time and reduces the energy consumption; the problem that the performance of asphalt at each layer under the actual condition is inconvenient to master because the asphalt of each part in the tank is uniformly mixed when the whole tank is heated is avoided;
2. the design of the layered sampling tube with the protruded sampling nozzle of the asphalt layered sampling device under the normal temperature environment ensures that asphalt samples with different depths can be extracted according to different requirements during sampling, thereby ensuring that the extracted samples are highly consistent with the actual conditions;
3. according to the asphalt layered sampling device under the normal temperature environment, due to the design of the layered sampling tube with the protruding sampling nozzle, the sampling tube can be used for sampling asphalt at different depths, and the sampling efficiency is improved;
4. the asphalt layered sampling device under the normal temperature environment can be directly carried to a construction site or a storage site for sampling, and is convenient for actual operation.
Drawings
FIG. 1 is a schematic view of a stacked layered sampling tube of an asphalt layered sampling device under a normal temperature environment according to the present invention;
FIG. 2 is a schematic view of an electrically heated external sleeve of an asphalt layered sampling apparatus in a normal temperature environment according to the present invention;
FIG. 3 is a schematic diagram of a stacked layered sampling tube and a sampling tube heating auxiliary device of the asphalt layered sampling device under a normal temperature environment according to the present invention;
FIG. 4 is a schematic view of the combination of an electrically heated external sleeve and a shielding plate of a sleeve sampling port of the device for layered sampling of asphalt under normal temperature environment;
FIG. 5 is a cross-sectional view of an electrically heated external sleeve of an asphalt stratified sampling device under normal temperature conditions in accordance with the present invention;
FIG. 6 is an overall effect diagram of the asphalt layered sampling device under normal temperature environment.
Wherein, 1, layering sampling tubes; 2. a sampling tube heating auxiliary device; 3. an electrically heated outer sleeve; 4. a sleeve sampling port shielding plate; 5. a vent hole; 6. a sampling nozzle; 7. a heating rod; 8. a first electric heating sheet; 9. a sampling port; 10. a second electric heating sheet; 11. a solid base; 12. a hollow base; 13. a first insulated handle; 14. a first conductive line; 15. a slot; 16. a second conductive line; 17. a second insulated handle.
Detailed Description
The invention is further described with reference to the following figures and examples.
Example 1
As shown in fig. 1-6, an asphalt layered sampling device under normal temperature environment comprises a layered sampling tube 1, a sampling tube heating auxiliary device 2, an electric heating external sleeve 3 and a sleeve sampling port shielding plate 4.
Layering sampling tube 1 has a plurality of to constitute, and 1 one side of every layering sampling tube is provided with air vent 5, and the opposite side is provided with sample nozzle 6, and the bottom is solid base 11, and the diameter of solid base 11 equals the internal diameter of layering sampling tube 1, in order to realize the piling up of layering sampling tube 1. The sampling nozzle 6 is formed by splicing two stainless steel sheets into a V shape at an angle of 90 degrees, the length is 4-5cm, the preferred length is 5cm, the width of the V shape is 1cm, and the sampling nozzle is provided with a tip so as to be convenient for the sampling nozzle to penetrate into asphalt and facilitate the asphalt on the upper part of the sampling nozzle 6 to flow into the layered sampling tube when the sampling nozzle 6 is penetrated into the asphalt.
The whole layered sampling tube 1 is made of stainless steel, the height range of the whole layered sampling tube 1 is 5-7cm, the height of the layered sampling tube is 6cm, and the inner diameter of the layered sampling tube is 6 cm. The radius of the vent hole 5 is 0.5cm, and the vent hole 5 ensures that the internal pressure and the external pressure of the sampling tube are equal when sampling, so that asphalt can conveniently enter the tube; the diameter of the solid base 11 is 6cm and is equal to the inner diameter of the layered sampling tube, so that the base can be conveniently placed in an opening at the upper part of the next sampling tube, and the layered sampling tubes are stacked.
The sampling tube heating auxiliary device 2 main part is the heating rod 7, be provided with first electric heating plate 8 on the heating rod 7, whole layering sampling tube 1 detachable installs on sampling tube heating auxiliary device 2 bottom, the heating rod 7 of sampling tube heating auxiliary device 2 is an arcwall form, and at heating rod 7 along the first electric heating plate 8 of longitudinal arrangement, the bottom of sampling tube heating auxiliary device 2 is hollow base 12, the internal diameter of hollow base 12 with equal to the internal diameter of layering sampling tube 1. The top of the heating rod 7 is provided with a first heat insulation handle 13, and a first lead 14 is led out from the end part of the first heat insulation handle 13 and is connected with an external power supply. The whole sampling tube heating auxiliary device main body is made of stainless steel, the height is 55-75cm, the height of the sampling tube heating auxiliary device main body is 70cm, the sampling tube heating auxiliary device main body is slightly higher than the electric heating outer sleeve, 7 layered sampling tubes can be stacked on the sampling tube heating auxiliary device, and the most appropriate number of the layered sampling tubes can be selected to be stacked according to actual sampling requirements. The inner diameter of the hollow base is 6cm and is equal to the inner diameter of an opening at the upper part of the layered sampling tube, so that the solid base of the layered sampling tube can be stably placed; the first electric heating sheets are longitudinally arranged on the heating rod to heat the layered sampling tube arranged on the base, and the distance between every two adjacent first electric heating sheets is 6-10 cm; the first lead of the first electric heating sheet is led out from the end part of the heat insulation handle and can be connected with an external power supply; the first heat insulation handle is made of phenolic plastic, and the sampling tube heating auxiliary device can be moved manually in a heating state.
The side surface of the electric heating outer sleeve 3 is provided with sampling ports 9, the distance between the adjacent sampling ports 9 is equal to the distance between the adjacent sampling nozzles 6, and the sampling nozzles 6 can penetrate through the sampling ports 9; a second electric heating plate 10 is arranged on the inner side wall of the electric heating outer sleeve 3; the bottom of the electric heating external sleeve 3 is conical, and the outer wall of the side surface is provided with sampling ports 9 which are longitudinally arranged; the inner wall of the electric heating external sleeve 3 is provided with a slot 15, the slot 15 can accommodate the sleeve sampling port baffle plate 4 to move up and down, and the sleeve sampling port baffle plate 4 is tightly attached to the inner wall of the electric heating external sleeve 3 to seal the sampling port 9; the second electric heating plates 10 are arranged at equal intervals in the longitudinal direction along the inner wall of the electric heating outer sleeve 3 and are connected to an external power source through second wires 16. The two sides of the exterior of the electric heating outer sleeve 3 are symmetrically provided with second heat insulation handles 17.
The whole electric heating external sleeve main body is made of stainless steel, the height of the cylindrical part is 50-70cm, the height of the cylindrical part is 60cm, the inner diameter of the cylindrical part is 15cm, the layered sampling tube can be sufficiently accommodated and can sample in the layered sampling tube, and the layered sampling tube is particularly suitable for accommodating the whole body arranged on the bottom of the sampling tube heating auxiliary device and comprises a sampling nozzle. The conical height of the bottom of the electric heating external sleeve is 5cm, so that the electric heating external sleeve can be conveniently inserted into asphalt in the sample reserving barrel after being electrified and heated; the diameter of the sampling opening is 1.5cm, so that the sampling opening enters, 7 sampling openings which are longitudinally arranged are arranged on the outer wall of the electric heating outer sleeve, the interval length between every two adjacent sampling openings is 5-7cm, the height of the embodiment is 6cm, and the distance between every two adjacent sampling openings is equal to the height of the layered sampling tube or the height of the layered sampling tube is equal to the height of the layered sampling tube; the slot is sunken towards the inner side of the electric heating external sleeve and can accommodate the sleeve sampling port baffle plate to move up and down; the second electric heating pieces are longitudinally arranged at equal intervals along the inner wall of the electric heating outer sleeve, the distance between every two adjacent second electric heating pieces is within 10-15cm, and the second electric heating pieces are connected with an external power supply through second wires 16 to play a role in heating the electric heating outer sleeve; the two sides of the external sleeve are symmetrically provided with the heat insulation handles respectively, and the heat insulation handles are made of phenolic plastics, so that the electric heating external sleeve can be manually inserted into the sample retention tank in a heating state.
The sleeve sampling opening shielding plate 4 can be movably inserted into the inner side wall of the electric heating external sleeve 2, the sampling opening 9 is sealed, and the layered sampling tube 1 can be integrally placed into the electric heating external sleeve 3 after being installed on the bottom of the sampling tube heating auxiliary device 2.
The sleeve sampling port baffle plate 4 is in a cambered surface shape and has the height of 50-70cm, the height of the sleeve sampling port baffle plate is 60cm and is equal to the inner wall of the cylindrical part of the electric heating external sleeve 3 in height, and the sleeve sampling port baffle plate 4 can be movably inserted into the inner side of the electric heating external sleeve 3 along the slot 14 to play a role in sealing the sampling port 9.
Example 2
The sampling method of the asphalt layered sampling device in the normal temperature environment in the embodiment 1 includes the following steps:
(1) inserting the sleeve sampling port shielding plate into the electric heating external sleeve along the slot, connecting a second lead of the electric heating external sleeve with a power supply, and heating the electric heating external sleeve;
(2) manually holding a first heat insulation handle of the electric heating external sleeve to insert the electric heating external sleeve into the sample retention tank, and stopping heating after the insertion depth reaches the required sampling depth so as to cool the asphalt around the electric heating external sleeve; while cooling the asphalt, the electrically heated outer sleeve is fixed at the position;
(3) after the asphalt around the electric heating external sleeve is cooled, taking out the sleeve sampling port baffle plate from the electric heating external sleeve;
(4) a first lead of the sampling tube heating auxiliary device is connected with an external power supply to heat the layered sampling tubes arranged on the base of the sampling tube heating auxiliary device;
(5) stacking layered sampling tubes, and mounting the layered sampling tubes on a hollow base of a sampling tube heating auxiliary device;
(6) manually holding a second heat insulation handle of the sampling tube heating auxiliary device, and integrally placing the heated layered sampling tube arranged on the bottom of the sampling tube heating auxiliary device into an electric heating external sleeve;
(7) aligning the sampling nozzle with a sampling port of the electric heating external sleeve, and stabbing the sampling nozzle into the asphalt outside the electric heating external sleeve through the sampling port; continuously heating the layered sampling tube, heating the asphalt around the sampling nozzle to a molten state, and allowing the molten asphalt to flow into the sampling tube through the sampling nozzle to realize layered sampling of the asphalt in the sample reserving barrel;
(8) when the samples in the layered sampling tube are accumulated to the required amount for the experiment, the layered sampling tube arranged at the bottom of the sampling tube heating auxiliary device is integrally taken out from the interior of the electric heating external sleeve, and the taken samples are labeled in a layered mode and used for detection;
(9) inserting the sleeve sampling port baffle plate into the electric heating external sleeve along the slot, sealing the sampling port, heating the electric heating external sleeve, and taking out the electric heating external sleeve from the asphalt;
(10) after the asphalt sample taken out is used for detection, the whole device can be cleaned by trichloroethylene for preparing the next sampling.
Claims (10)
1. The asphalt layered sampling device under the normal temperature environment is characterized by comprising a layered sampling tube (1), a sampling tube heating auxiliary device (2), an electric heating external sleeve (3) and a sleeve sampling port baffle plate (4), wherein one side of the tube wall of the layered sampling tube (1) is provided with a vent hole (5) and a sampling nozzle (6); the sampling tube heating auxiliary device (2) is characterized in that the main body of the sampling tube heating auxiliary device (2) is a heating rod (7), a first electric heating sheet (8) is arranged on the heating rod (7), the whole layered sampling tube (1) is detachably mounted on the bottom of the sampling tube heating auxiliary device (2), a sampling port (9) is arranged on the side surface of the electric heating external sleeve (3), the distance between adjacent sampling ports (9) is equal to the distance between adjacent sampling nozzles (6), and the sampling nozzles (6) can penetrate through the sampling ports (9); a second electric heating sheet (10) is arranged on the inner side wall of the electric heating outer sleeve (3); the sleeve sampling opening shielding plate (4) can be movably inserted into the inner side wall of the electric heating external sleeve (3) and seals the sampling opening (9), and the layered sampling tube (1) can be integrally placed into the electric heating external sleeve (3) after being installed on the bottom of the sampling tube heating auxiliary device (2).
2. The asphalt stratified sampling device under the normal temperature environment as claimed in claim 1, wherein the stratified sampling pipe (1) is composed of a plurality of parts, each stratified sampling pipe (1) is provided with a vent hole (5) on one side and a sampling nozzle (6) on the other side, the bottom part is a solid base (11), and the diameter of the solid base (11) is equal to the inner diameter of the stratified sampling pipe (1) so as to realize the stacking of the stratified sampling pipes (1).
3. The asphalt stratified sampling device under the normal temperature environment as claimed in claim 1 or 2, wherein the sampling nozzle (6) is formed by splicing two stainless steel sheets at 90 ° to each other into a V shape, has a length of 4-5cm, and has a pointed end.
4. The asphalt layered sampling device under the normal temperature environment as claimed in claim 1, wherein the heating rod (7) of the sampling tube heating auxiliary device (2) is arc-shaped, the first electric heating sheets (8) are arranged on the heating rod (7) along the longitudinal direction, the bottom of the sampling tube heating auxiliary device (2) is a hollow base (12), and the inner diameter of the hollow base (12) is equal to the inner diameter of the layered sampling tube (1).
5. The asphalt stratified sampling device under the normal temperature environment as claimed in claim 1, wherein a first heat insulation handle (13) is arranged on the top of the heating rod (7), and a first conducting wire (14) is led out from the end of the first heat insulation handle (13) and is connected with an external power supply.
6. The asphalt stratified sampling device under the normal temperature environment as claimed in claim 1, wherein the bottom of the electric heating external sleeve (3) is conical, and the outer wall of the side surface is provided with longitudinally arranged sampling ports (9); be provided with slot (15) on the external sleeve of electrical heating (3) inner wall, slot (15) can hold sleeve sample connection shielding plate (4) and reciprocate to make the inner wall of sleeve sample connection shielding plate (4) and the external sleeve of electrical heating (3) closely laminate and seal sample connection (9).
7. The asphalt stratified sampling device under the normal temperature environment as claimed in claim 1, wherein the second electric heating sheets (10) are arranged longitudinally at equal intervals along the inner wall of the electric heating outer sleeve (3) and are connected with an external power supply through second leads (16).
8. The asphalt stratified sampling device under the normal temperature environment as claimed in claim 1, wherein the electrically heated outer sleeve (3) is provided with second heat insulation handles (17) symmetrically on two sides of the outside.
9. The asphalt layered sampling device under the normal temperature environment as claimed in claim 1, wherein the sleeve sampling port shielding plate (4) is an arc surface, the height of the arc surface is 50-70cm, the arc surface is as high as the height of the electric heating external sleeve (3), and the sleeve sampling port shielding plate (4) can be movably inserted into the inner side of the electric heating external sleeve (3) to close the sampling port (9).
10. The sampling method of the asphalt layering sampling device under the normal temperature environment according to claim 1, characterized by comprising the following steps:
(1) inserting a sleeve sampling port shielding plate into an electric heating external sleeve, and heating the electric heating external sleeve;
(2) inserting the electric heating external sleeve into the sample tank, and stopping heating after the insertion depth reaches the required sampling depth, so that the asphalt around the electric heating external sleeve is cooled;
(3) after the asphalt around the electric heating external sleeve is cooled, taking out the sleeve sampling port baffle plate from the electric heating external sleeve;
(4) stacking the layered sampling tubes to a required sampling depth, and mounting the layered sampling tubes on a hollow base of the sampling tube heating auxiliary device;
(5) heating a layered sampling tube arranged on a base of the sampling tube heating auxiliary device;
(6) putting the heated layered sampling tube integrally arranged at the bottom of the sampling tube heating auxiliary device into an electric heating external sleeve;
(7) aligning the sampling nozzle with a sampling port of the electric heating external sleeve, and stabbing the sampling nozzle into the asphalt outside the electric heating external sleeve through the sampling port;
(8) after the samples in the layered sampling tube are accumulated to a certain degree, the layered sampling tube arranged on the bottom of the sampling tube heating auxiliary device is integrally taken out from the interior of the electric heating external sleeve, and the taken samples are labeled in a layered mode and used for detection;
(9) inserting a sleeve sampling port baffle plate into an electric heating external sleeve, heating the electric heating external sleeve, and taking the electric heating external sleeve out of asphalt;
(10) after the asphalt sample taken out is used for detection, the whole device can be cleaned by trichloroethylene for preparing the next sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401308.XA CN110095309B (en) | 2019-05-14 | 2019-05-14 | Asphalt layered sampling device in normal temperature environment and sampling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910401308.XA CN110095309B (en) | 2019-05-14 | 2019-05-14 | Asphalt layered sampling device in normal temperature environment and sampling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110095309A CN110095309A (en) | 2019-08-06 |
| CN110095309B true CN110095309B (en) | 2020-05-05 |
Family
ID=67448091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910401308.XA Active CN110095309B (en) | 2019-05-14 | 2019-05-14 | Asphalt layered sampling device in normal temperature environment and sampling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110095309B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239374B (en) * | 2020-03-25 | 2022-06-28 | 中铁二院成都勘察设计研究院有限责任公司 | Saline soil salt expansion characteristic test device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688775A (en) * | 1992-09-07 | 1994-03-29 | Showa Shell Sekiyu Kk | Method for preparing sample piece for measuring physical properties |
| CN102519758A (en) * | 2011-12-15 | 2012-06-27 | 长安大学 | Automatic asphalt measuring device |
| CN203053747U (en) * | 2013-01-27 | 2013-07-10 | 长安大学 | Asphalt sampler |
| CN105527120A (en) * | 2016-01-09 | 2016-04-27 | 河南师范大学 | Surface soil laminating sampler |
| CN105823656A (en) * | 2016-04-29 | 2016-08-03 | 宁夏路桥工程股份有限公司 | Three-position sampling device installed on pitch storage tank |
| CN206095711U (en) * | 2016-10-13 | 2017-04-12 | 山西省交通科学研究院 | Heterogeneous body pitch stratified sampling mould |
| CN206258276U (en) * | 2016-12-09 | 2017-06-16 | 宁夏大学 | Soil layered sampler |
| CN206504889U (en) * | 2017-02-28 | 2017-09-19 | 长安大学 | A kind of pitch sampler |
| CN207181089U (en) * | 2017-09-25 | 2018-04-03 | 西安圭臬精密科技有限公司 | A kind of pitch sampler |
| CN208125444U (en) * | 2018-08-15 | 2018-11-20 | 张会英 | A kind of pitch sampler |
-
2019
- 2019-05-14 CN CN201910401308.XA patent/CN110095309B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688775A (en) * | 1992-09-07 | 1994-03-29 | Showa Shell Sekiyu Kk | Method for preparing sample piece for measuring physical properties |
| CN102519758A (en) * | 2011-12-15 | 2012-06-27 | 长安大学 | Automatic asphalt measuring device |
| CN203053747U (en) * | 2013-01-27 | 2013-07-10 | 长安大学 | Asphalt sampler |
| CN105527120A (en) * | 2016-01-09 | 2016-04-27 | 河南师范大学 | Surface soil laminating sampler |
| CN105823656A (en) * | 2016-04-29 | 2016-08-03 | 宁夏路桥工程股份有限公司 | Three-position sampling device installed on pitch storage tank |
| CN206095711U (en) * | 2016-10-13 | 2017-04-12 | 山西省交通科学研究院 | Heterogeneous body pitch stratified sampling mould |
| CN206258276U (en) * | 2016-12-09 | 2017-06-16 | 宁夏大学 | Soil layered sampler |
| CN206504889U (en) * | 2017-02-28 | 2017-09-19 | 长安大学 | A kind of pitch sampler |
| CN207181089U (en) * | 2017-09-25 | 2018-04-03 | 西安圭臬精密科技有限公司 | A kind of pitch sampler |
| CN208125444U (en) * | 2018-08-15 | 2018-11-20 | 张会英 | A kind of pitch sampler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110095309A (en) | 2019-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110095309B (en) | Asphalt layered sampling device in normal temperature environment and sampling method thereof | |
| CN111579273B (en) | Food detects quick sampling device | |
| CN204882762U (en) | Multi -functional electricity measuring instrument of heating refrigeration integration | |
| CN209880412U (en) | Injection device for dye-sensitized solar cell electrolyte | |
| CN203053747U (en) | Asphalt sampler | |
| CN210603992U (en) | Soil sampling device is used in map charting and geographic information engineering teaching | |
| CN211318082U (en) | Outdoor soil sample moisture content measuring device | |
| CN213022225U (en) | Ice ball unlocking jig for hail test and ice ball manufacturing device | |
| CN209842025U (en) | Formation cabinet for testing square lithium battery | |
| CN209624321U (en) | A kind of tubular type ageing oven | |
| CN206199337U (en) | A kind of pipette operates support | |
| CN105116225A (en) | Full-automatic excised skin percutaneous resistance measuring device | |
| CN111175070B (en) | Sectional type icicle sampling device | |
| CN219842205U (en) | Asphalt sampling device | |
| CN207993557U (en) | Temperature sensor for detection cable temperature | |
| CN207733011U (en) | Electric heating tube ceramic bead penetrating device | |
| CN207428308U (en) | A kind of detachable soil animal dries worm case | |
| CN206505040U (en) | A kind of electrophoresis apparatus of seperated nuclear acid | |
| CN113904279B (en) | High-voltage power pipe connection structure for power transmission | |
| CN215931346U (en) | Soil erosion depth measurement soil taking integrated device | |
| CN111076965A (en) | Lake ice period atmospheric pollutant sedimentation and attached storage in-situ sampling structure and detection method | |
| CN217505263U (en) | Sampling device for calcined petroleum coke | |
| CN109061517A (en) | Storage batteries of transformer substation voltage T-type measuring device | |
| CN210718755U (en) | Portable high-temperature sample sampling heat exchanger | |
| CN210604913U (en) | Lithium battery detection equipment with wide application range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |