CN107782584B - Automatic sampling device of pitch - Google Patents
Automatic sampling device of pitch Download PDFInfo
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- CN107782584B CN107782584B CN201711005532.4A CN201711005532A CN107782584B CN 107782584 B CN107782584 B CN 107782584B CN 201711005532 A CN201711005532 A CN 201711005532A CN 107782584 B CN107782584 B CN 107782584B
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- sampling
- asphalt
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- heating
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- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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Abstract
The invention discloses an automatic asphalt sampling device, which can comprise a heating sleeve, an asphalt sampling tube, a temperature sensor, a temperature control assembly, a negative pressure sampling bottle and a vacuum pump in an implementation mode; the heating sleeve is sleeved outside the asphalt sampling tube, the temperature sensor is connected with the heating sleeve, the negative pressure sampling bottle is connected with the asphalt sampling tube, the vacuum pump is connected with the negative pressure sampling bottle, and the temperature control assembly is connected with the heating sleeve and the vacuum pump. The application provides a device, sampling tube have the function of setting for the temperature heating, when solving the pitch sample, need the problem of the whole jar pitch sample of heating. The asphalt sampling device provides a positioning sampling and rapid sampling mode for asphalt sampling. The labor intensity is reduced, and the sampling efficiency of the asphalt is improved. The sampling process is automatically completed, the operation is simple and convenient, and the sampling efficiency is high. The device can realize quantitative sampling. In addition, the sampling tube can be placed at different sample depths, so that the sampling representativeness is improved.
Description
Technical Field
The invention relates to the technical field of asphalt sampling equipment, in particular to an automatic asphalt sampling device which is automatically completed in a sampling process, simple and convenient to operate and high in sampling efficiency.
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. method for sampling from asphalt tank: 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. The traditional asphalt sampling method is more limited, and when the asphalt tank is at normal temperature, sampling cannot be carried out. For the sample of the sample tank, the whole tank is required to be heated, the sampling time is long, and the representativeness of the sampling cannot be guaranteed. In addition, when the retained sample is measured for multiple times, the asphalt sample is heated and cooled repeatedly, the property of the retained sample can be changed, and the accuracy of the retained sample detection is influenced.
Disclosure of Invention
The invention provides an automatic asphalt sampling device. Utilize the sampling tube to heat the sample, make the pitch of sample department have the mobility, reuse the mode of evacuation, make the sampling bottle of being connected with the sampling tube form the negative pressure, pitch flows into the sampling bottle along the sampling tube. The automatic asphalt sampling device consists of a heating sleeve, an asphalt sampling tube, a temperature sensor, a temperature control device, a negative pressure sampling bottle and a vacuum pump. The device can realize the automatic sampling of pitch, improves the uniformity and the sampling efficiency of sample.
The invention provides the following scheme:
an automatic asphalt sampling device, comprising:
the device comprises a heating sleeve, an asphalt sampling tube, a temperature sensor, a temperature control assembly, a negative pressure sampling bottle and a vacuum pump; the heating sleeve is sleeved outside the asphalt sampling tube, the temperature sensor is connected with the heating sleeve, the negative pressure sampling bottle is connected with the asphalt sampling tube, the vacuum pump is connected with the negative pressure sampling bottle, and the temperature control assembly is connected with the heating sleeve and the vacuum pump;
the temperature control assembly is used for controlling the heating temperature of the heating sleeve and comprises a temperature setting assembly, and the temperature setting assembly is used for setting the heating temperature of the heating sleeve; the heating sleeve is used for heating the asphalt sampling tube so that the solid asphalt sample around the asphalt sampling tube is melted to form a flowable state after the solid asphalt sample is inserted into the asphalt sampling tube; the temperature sensor is used for detecting the current temperature of the asphalt sampling pipe, and the vacuum pump is used for pumping out the air in the negative pressure sampling bottle to form a negative pressure environment inside the negative pressure sampling bottle.
Preferably: the temperature control assembly comprises a prompter, and the prompter is used for sending a prompt signal when the temperature sensor detects that the current temperature of the asphalt sampling tube reaches a set temperature.
Preferably: the prompter comprises a driving circuit and a buzzer.
Preferably: the prompter comprises a driving circuit and an LED lamp bead.
Preferably: the temperature control assembly comprises a temperature setting assembly, and the temperature setting assembly is used for setting the heating temperature of the heating sleeve.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
according to the invention, an automatic asphalt sampling device can be realized, and in an implementation mode, the device can comprise a heating sleeve, an asphalt sampling tube, a temperature sensor, a temperature control assembly, a negative pressure sampling bottle and a vacuum pump; the heating sleeve is sleeved outside the asphalt sampling tube, the temperature sensor is connected with the heating sleeve, the negative pressure sampling bottle is connected with the asphalt sampling tube, the vacuum pump is connected with the negative pressure sampling bottle, and the temperature control assembly is connected with the heating sleeve and the vacuum pump; the temperature control assembly is used for controlling the heating temperature of the heating sleeve and comprises a temperature setting assembly, and the temperature setting assembly is used for setting the heating temperature of the heating sleeve; the heating sleeve is used for heating the asphalt sampling tube so that the solid asphalt sample around the asphalt sampling tube is melted to form a flowable state after the solid asphalt sample is inserted into the asphalt sampling tube; the temperature sensor is used for detecting the current temperature of the asphalt sampling pipe, and the vacuum pump is used for pumping out the air in the negative pressure sampling bottle to form a negative pressure environment inside the negative pressure sampling bottle. The device that this application provided, simple structure is reasonable, installation convenient to use. The sampling tube has the function of heating at a set temperature, and solves the problem that the whole tank of asphalt needs to be heated for sampling when the asphalt is sampled. The asphalt sampling device provides a positioning sampling and rapid sampling mode for asphalt sampling. The labor intensity is reduced, and the sampling efficiency of the asphalt is improved. The sampling process is automatically completed, the operation is simple and convenient, and the sampling efficiency is high. The device can realize quantitative sampling. In addition, the sampling tube can be placed at different sample depths, so that the sampling representativeness is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automatic asphalt sampling device according to an embodiment of the present invention.
In the figure: heating sleeve 1, pitch sampling tube 2, temperature sensor 3, accuse temperature subassembly 4, negative pressure sampling bottle 6, vacuum pump 6.
Detailed Description
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 of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Examples
Referring to fig. 1, an automatic asphalt sampling device provided by an embodiment of the present invention is shown in fig. 1, and the device includes a heating sleeve 1, an asphalt sampling tube 2, a temperature sensor 3, a temperature control assembly 4, a negative pressure sampling bottle 5, and a vacuum pump 6; the heating sleeve 1 is sleeved outside the asphalt sampling tube 2, the temperature sensor 3 is connected with the heating sleeve 1, the negative pressure sampling bottle 5 is connected with the asphalt sampling tube 2, the vacuum pump 6 is connected with the negative pressure sampling bottle 5, and the temperature control assembly 4 is connected with the heating sleeve 1 and the vacuum pump 6;
the temperature control assembly 4 is used for controlling the heating temperature of the heating sleeve 1, and the heating sleeve 1 is used for heating the asphalt sampling tube 2, so that the solid asphalt sample around the asphalt sampling tube is melted to form a flowable state after the solid asphalt sample is inserted into the asphalt sampling tube; temperature sensor 3 is used for detecting the current temperature of pitch sampling tube 2, vacuum pump 6 is used for with the inside air of negative pressure sampling bottle 5 is taken out and is made its inside negative pressure environment that forms. The temperature control device sets the temperature of the sampling tube (the temperature of asphalt melting and flowing), and the sampling tube is placed at a sampling position after the temperature reaches the set temperature; the temperature control device can judge the temperature of a sampling position through the measured value of the temperature sensor at the front end of the sampling tube, and after the temperature is stabilized to a set temperature, the situation that samples around the sampling tube have fluidity is preliminarily judged, so that the requirement of negative pressure sampling can be met. And (3) connecting the sampling tube with the sampling bottle in a sealing way, sealing the sampling bottle, starting a sampling button, enabling the sampling bottle to form negative pressure, and enabling the asphalt to flow along the sampling tube and enter a sample cup of the sampling bottle. And (5) stopping sampling by the device when the sampling amount reaches a set sampling value, and finishing the sampling process.
Further, accuse temperature subassembly 4 includes the prompting device, the prompting device is used for being in when temperature sensor detects pitch sampling tube current temperature reaches the settlement temperature and sends the cue signal. The prompter comprises a driving circuit and a buzzer. The prompter comprises a driving circuit and an LED lamp bead. The temperature control assembly comprises a temperature setting assembly, and the temperature setting assembly is used for setting the heating temperature of the heating sleeve.
The device consists of a heating sleeve, an asphalt sampling tube, a temperature sensor, a temperature control device, a negative pressure sampling bottle and a vacuum pump. The asphalt sampling device has an automatic temperature control function, can set the heating temperature of the sampling tube according to the environment temperature and the asphalt variety, and guarantees the fluidity of asphalt at the sampling part in the sampling process. Can be placed at different sample depths to finish the sampling of the asphalt at different parts. The sampling tube is convenient to replace, and the independence of sampling is guaranteed. The sampling mode of negative pressure, simple structure, the design of sampling bottle volume is nimble, and it is convenient to maintain, and sample volume is easily controlled.
The following describes in detail the method of use of the device provided in the present application by having the means of use: in particular use of the device, a 30g sample is taken from a 1 litre volume bitumen sample and placed in a sample bottle for bitumen testing. Specific embodiments will be described with reference to the description of the components in the schematic structural diagram of fig. 1, as follows:
the first step is as follows: setting the temperature of an asphalt sampling pipe to be 120 ℃ from a temperature control device 4 of the automatic asphalt sampling device shown in the figure 1, starting a heating function, heating the asphalt sampling pipe, reading the current temperature of the asphalt sampling pipe by the temperature control device through a temperature sensor 3, and starting sampling when the temperature reaches a set temperature value;
the second step is that: an asphalt sampling tube was placed at the asphalt sampling site and the depth of the sampling tube in the sample was observed. After reaching the set sample depth, the sampling tube is fixed and connected with the sampling tube and the 5-negative-pressure sampling bottle.
The third step: observing the temperature of the front end of the sampling tube, after the temperature reaches 120 ℃, waiting for 2 minutes by the device, prompting the start of sampling by the panel of the temperature control device, pressing a confirmation button, starting a vacuum pump 6 by the device, starting sampling, and enabling the asphalt sample to flow into the sampling bottle along the sampling tube.
The fourth step: the asphalt flowing into the sampling bottle reaches the set sample amount, and the sampling is stopped.
The fifth step: and taking out the asphalt sampling bottle to finish the sampling process.
In a word, the device that this application provided, simple structure is reasonable, installation convenient to use. The sampling tube has the function of heating at a set temperature, and solves the problem that the whole tank of asphalt needs to be heated for sampling when the asphalt is sampled. The asphalt sampling device provides a positioning sampling and rapid sampling mode for asphalt sampling. The labor intensity is reduced, and the sampling efficiency of the asphalt is improved. The sampling process is automatically completed, the operation is simple and convenient, and the sampling efficiency is high. The device can realize quantitative sampling. In addition, the sampling tube can be placed at different sample depths, so that the sampling representativeness is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (4)
1. An automatic sampling device of pitch which characterized in that includes:
the device comprises a heating sleeve, an asphalt sampling tube, a temperature sensor, a temperature control assembly, a negative pressure sampling bottle and a vacuum pump; the heating sleeve is sleeved outside the asphalt sampling tube, the temperature sensor is connected with the heating sleeve, the negative pressure sampling bottle is connected with the asphalt sampling tube, the vacuum pump is connected with the negative pressure sampling bottle, and the temperature control assembly is connected with the heating sleeve and the vacuum pump;
the temperature control assembly is used for controlling the heating temperature of the heating sleeve and comprises a temperature setting assembly, and the temperature setting assembly is used for setting the heating temperature of the heating sleeve; the heating sleeve is used for heating the asphalt sampling tube so that the solid asphalt sample around the asphalt sampling tube is melted to form a flowable state after the solid asphalt sample is inserted into the asphalt sampling tube; the temperature sensor is used for detecting the current temperature of the asphalt sampling pipe; the vacuum pump is used for pumping out the air in the negative pressure sampling bottle to form a negative pressure environment in the negative pressure sampling bottle.
2. The device of claim 1, wherein the temperature control assembly comprises a prompt for sending a prompt signal when the temperature sensor detects that the current temperature of the asphalt sampling tube reaches a set temperature.
3. The device of claim 2, wherein the prompter comprises a drive circuit and a buzzer.
4. The device of claim 2, wherein the annunciator comprises a drive circuit and an LED light bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711005532.4A CN107782584B (en) | 2017-10-25 | 2017-10-25 | Automatic sampling device of pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711005532.4A CN107782584B (en) | 2017-10-25 | 2017-10-25 | Automatic sampling device of pitch |
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| Publication Number | Publication Date |
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| CN107782584A CN107782584A (en) | 2018-03-09 |
| CN107782584B true CN107782584B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711005532.4A Active CN107782584B (en) | 2017-10-25 | 2017-10-25 | Automatic sampling device of pitch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110095321B (en) * | 2019-05-13 | 2024-02-02 | 马钢奥瑟亚化工有限公司 | Environment-friendly high-temperature asphalt online automatic sampling device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202066715U (en) * | 2010-06-25 | 2011-12-07 | 上海宝钢工业检测公司 | Negative pressure oil liquid sampling device |
| CN202372371U (en) * | 2011-11-30 | 2012-08-08 | 河北瑞晶康生物科技有限公司 | Insulating and sampling device |
| CN204964250U (en) * | 2015-09-14 | 2016-01-13 | 南京电力设备质量性能检验中心 | Buggy sampling gun |
| CN205352767U (en) * | 2015-12-30 | 2016-06-29 | 浙江龙鑫化工有限公司 | Resin sampling device |
| CN205656030U (en) * | 2016-04-05 | 2016-10-19 | 中海沥青（四川）有限公司 | Pitch sampling device |
| CN206095711U (en) * | 2016-10-13 | 2017-04-12 | 山西省交通科学研究院 | Heterogeneous body pitch stratified sampling mould |
-
2017
- 2017-10-25 CN CN201711005532.4A patent/CN107782584B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202066715U (en) * | 2010-06-25 | 2011-12-07 | 上海宝钢工业检测公司 | Negative pressure oil liquid sampling device |
| CN202372371U (en) * | 2011-11-30 | 2012-08-08 | 河北瑞晶康生物科技有限公司 | Insulating and sampling device |
| CN204964250U (en) * | 2015-09-14 | 2016-01-13 | 南京电力设备质量性能检验中心 | Buggy sampling gun |
| CN205352767U (en) * | 2015-12-30 | 2016-06-29 | 浙江龙鑫化工有限公司 | Resin sampling device |
| CN205656030U (en) * | 2016-04-05 | 2016-10-19 | 中海沥青（四川）有限公司 | Pitch sampling device |
| CN206095711U (en) * | 2016-10-13 | 2017-04-12 | 山西省交通科学研究院 | Heterogeneous body pitch stratified sampling mould |
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| CN107782584A (en) | 2018-03-09 |
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Effective date of registration: 20201014 Address after: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee after: PetroChina Co.,Ltd. Patentee after: PETROCHINA FUEL OIL Co.,Ltd. Address before: 100000 Beijing Haidian District, North dock Village Road No. 25, static core E Patentee before: RESEARCH INSTITUTE OF PETROCHINA FUEL OIL Co.,Ltd. |