CN216095351U - Capillary tube cleaning device for kinematic viscosity measurement - Google Patents
Capillary tube cleaning device for kinematic viscosity measurement Download PDFInfo
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- CN216095351U CN216095351U CN202122686173.1U CN202122686173U CN216095351U CN 216095351 U CN216095351 U CN 216095351U CN 202122686173 U CN202122686173 U CN 202122686173U CN 216095351 U CN216095351 U CN 216095351U
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- capillary
- kinematic viscosity
- cleaning
- heater
- cleaning device
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- 238000004140 cleaning Methods 0.000 title claims abstract description 65
- 238000005259 measurement Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 229920001973 fluoroelastomer Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 8
- 239000003209 petroleum derivative Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012208 gear oil Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004089 microcirculation Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
本实用新型公开了一种运动粘度测定用毛细管清洗装置，包括背板、毛细管支架、气源、加热器、清洗液储罐和微型循环泵；所述毛细管支架为多个，固定在背板上，加热器进口连通气源，加热器、微型循环泵和清洗液储罐依次通过软管连接，待清洗的运动粘度测定用毛细管固定在毛细管支架上，两端与加热器和清洗液储罐出口的软管连接，形成清洗管路；本实用新型结构简单，高效快速，适用于沾染了各种高低粘度石油产品玻璃毛细管的清洗，清洗后的毛细管在较短的时间内完成烘干过程，即可重复进行使用。大幅提高了检测人员的工作量，提高了检测人员的工作效率。
The utility model discloses a capillary cleaning device for kinematic viscosity measurement. , the heater inlet is connected to the air source, the heater, the micro-circulating pump and the cleaning liquid storage tank are connected by hoses in turn, the kinematic viscosity measurement capillary to be cleaned is fixed on the capillary bracket, and both ends are connected to the heater and the cleaning liquid storage tank outlet. The hose is connected to form a cleaning pipeline; the utility model has a simple structure, is efficient and fast, and is suitable for cleaning glass capillaries contaminated with various high and low viscosity petroleum products. Can be used repeatedly. The workload of the inspectors is greatly increased, and the work efficiency of the inspectors is improved.
Description
Technical Field
The utility model belongs to the technical field of cleaning device structures, and particularly relates to a capillary cleaning device for kinematic viscosity measurement.
Background
The glass capillary for measuring kinematic viscosity has a U-shaped tube diameter of 0.8-3.0 mm, and can contact petroleum products, especially high-viscosity gear oil, and the oil is adhered to the wall of the glass capillary and is difficult to clean. The existing cleaning method mainly adopts a fine hair brush to dip cleaning liquid for cleaning, and has the problems that the turning part of a capillary cannot be touched for cleaning thoroughly, and the capillary is easy to break. If the glass capillary is not thoroughly cleaned, the capillary is not easy to dry and the accuracy of the next measurement result is seriously influenced.
Chinese utility model patent with patent publication No. CN201721792484.3 discloses a capillary belt cleaning device for kinematic viscosity measurement, including the mounting panel, set up the capillary support unit in mounting panel both sides position department respectively to and the washing bucket that has the sanitizer, wash the capillary through rotatory submergence mode behind the fixed capillary.
But the purger in this utility model does not have the dry link of capillary, has the problem that the cleaning efficiency is low.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model aims to provide a capillary tube cleaning device for measuring kinematic viscosity, which is simple in structure, efficient and quick, is suitable for cleaning glass capillary tubes contaminated with various high and low viscosity petroleum products, and can be repeatedly used after the cleaned capillary tubes are dried in a short time. The workload of the detection personnel is greatly improved, and the working efficiency of the detection personnel is improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a capillary tube cleaning device for measuring kinematic viscosity comprises a back plate 1, a capillary tube bracket 2, an air source 3, a heater 4, a cleaning liquid storage tank 5 and a micro circulating pump 6; the capillary support 2 is fixed on the back plate 1, the inlet of the heater 4 is communicated with the air source 3, the heater 4, the micro circulating pump 6 and the cleaning solution storage tank 5 are sequentially connected through a hose, the capillary for measuring the kinematic viscosity to be cleaned is fixed on the capillary support 2, and the two ends of the capillary support are connected with the hoses at the outlets of the heater 4 and the cleaning solution storage tank 5 to form a cleaning pipeline.
Fixing the kinematic viscosity to be cleaned on the capillary tube bracket 2 by using a capillary tube, connecting by using a hose, pumping cleaning liquid into a cleaning pipeline by using a micro circulating pump 6, then introducing heated gas into the cleaning liquid, and completing a cleaning link after circulation. And then, discharging the cleaning liquid into a cleaning liquid storage tank 5, drying the capillary by heating the drying gas, and cooling the capillary by using the normal-temperature gas for later use.
The gas source 3 is N2And (4) a gas source.
The volume of the cleaning liquid storage tank 5 is 50 mL-500 mL.
The rated flow of the micro circulating pump 6 is 1 mL/min-20 mL/min.
The temperature of the heater 4 can be adjusted between 30 ℃ and 150 ℃.
The diameter of the hose is 8 mm-15 mm.
The hose is preferably a silicone tube or a fluororubber tube or a hose with the same oil resistance.
The utility model also provides a capillary cleaning method for measuring kinematic viscosity. Firstly, fixing a capillary tube for measuring kinematic viscosity to be cleaned on a capillary tube bracket 2, connecting a cleaning pipeline, opening a micro circulating pump 6, pumping cleaning fluid into the capillary tube for measuring kinematic viscosity, circulating in the cleaning pipeline, and opening N2Adjusting the nitrogen flow to 3-10 mL/min, immediately turning on the heater 4 to heat the gas, after circulating for at least 1min, turning off the micro circulating pump 6, discharging the liquid in the capillary tube into the cleaning liquid storage tank, disconnecting the connection joint between the capillary tube and the cleaning liquid storage tank 5, and enabling the capillary tube to be connected with the cleaning liquid storage tank 5N2The flow rate of the heater 4 is increased to 50 mL/min-100 mL/min, the temperature of the heater 4 is adjusted to be more than 50 ℃, after at least 1min, the heater 4 is closed, and N at normal temperature is used2And after continuously purging for more than 1min, cleaning the kinematic viscosity measurement by using a capillary tube for later use.
The utility model uses N2The capillary tube for measuring the kinematic viscosity is circularly cleaned together by the carrier gas and the cleaning liquid, and is dried by a heater, so that the aim of quickly and efficiently cleaning the capillary tube is fulfilled. The utility model has the advantages of simple structure, convenience, high efficiency, rapidness and thorough cleaning, is suitable for cleaning various glass capillary tubes for measuring the kinematic viscosity of petroleum products, and greatly improves the working efficiency of experimenters.
Drawings
FIG. 1 is a schematic view of a capillary cleaning device for kinematic viscosity measurement according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the capillary cleaning device for measuring kinematic viscosity of the present invention comprises a back plate 1, a capillary holder 2, an air source 3, a heater 4, a cleaning liquid storage tank 5 and a micro-circulation pump 6; the capillary support 2 is fixed on the back plate 1, the inlet of the heater 4 is communicated with the air source 3, the heater 4, the micro circulating pump 6 and the cleaning solution storage tank 5 are sequentially connected through a hose, the capillary for measuring the kinematic viscosity to be cleaned is fixed on the capillary support 2, and the two ends of the capillary support are connected with the hoses at the outlets of the heater 4 and the cleaning solution storage tank 5 to form a cleaning pipeline.
Fixing the glass capillary tube for measuring kinematic viscosity of the tested 320# gear oil on the capillary tube bracket 2, connecting a cleaning pipeline, opening the micro circulating pump 6, pumping cleaning solution into the glass capillary tube for measuring kinematic viscosity, circulating in the cleaning pipeline, and opening N2A gas source, regulating the flow of nitrogen to 3mL/min, introducing into the circulation pipeline, immediately turning on the heater 4, regulating the temperature to 40 deg.C, heating the gas, and after circulating for 2min, turning off the micro-circulation pump6, discharging the liquid of the capillary into the cleaning liquid storage tank 5, disconnecting the connection head of the capillary and the cleaning liquid storage tank 5, and adding N2The flow rate of the heater 4 is increased to 80mL/min, the temperature of the heater 4 is adjusted to 90 ℃, after 1min, the heater 4 is closed, and the normal temperature N is used2And after continuously purging for 1min, cleaning the kinematic viscosity measurement by using a capillary tube for later use.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122686173.1U CN216095351U (en) | 2021-11-04 | 2021-11-04 | Capillary tube cleaning device for kinematic viscosity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122686173.1U CN216095351U (en) | 2021-11-04 | 2021-11-04 | Capillary tube cleaning device for kinematic viscosity measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216095351U true CN216095351U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122686173.1U Active CN216095351U (en) | 2021-11-04 | 2021-11-04 | Capillary tube cleaning device for kinematic viscosity measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216095351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953282A (en) * | 2021-11-04 | 2022-01-21 | 西安热工研究院有限公司 | Capillary tube cleaning device and method for kinematic viscosity measurement |
-
2021
- 2021-11-04 CN CN202122686173.1U patent/CN216095351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953282A (en) * | 2021-11-04 | 2022-01-21 | 西安热工研究院有限公司 | Capillary tube cleaning device and method for kinematic viscosity measurement |
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