CN210206910U - Centrifugal tube structure for oil sludge precipitation test - Google Patents
Centrifugal tube structure for oil sludge precipitation test Download PDFInfo
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- CN210206910U CN210206910U CN201920623812.XU CN201920623812U CN210206910U CN 210206910 U CN210206910 U CN 210206910U CN 201920623812 U CN201920623812 U CN 201920623812U CN 210206910 U CN210206910 U CN 210206910U
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Abstract
The utility model discloses a centrifuge tube structure for oil sludge precipitation test, which comprises an upper tube body, a transition tube body and a lower tube body which are integrally connected from top to bottom; the upper pipe body and the lower pipe body are both cylindrical pipe body structures, and the diameter of the upper pipe body is larger than that of the lower pipe body; the transition pipe body is a conical pipe body structure; the top of the upper pipe body is provided with a pipe orifice; the bottom of the lower pipe body is flush and sealed; the utility model provides a can audio-visually judge that fatlute volume, convenient fatlute content's fatlute is appeared and is used centrifuging tube structure for experiment.
Description
Technical Field
The utility model belongs to the technical field of the centrifugation, a centrifuging tube is related to, especially, relate to a fatlute precipitation test is with centrifuging tube structure.
Background
In the field of biochemical research, centrifugation techniques have been widely used as a means of separating and preparing test samples. The centrifugation is to generate centrifugal force under high-speed rotation, and the sample in the centrifugal tube is subjected to the centrifugal force, so that the suspended micro-substances in the sample are settled at a certain speed, and are separated from the solution.
At present, in the process of an analysis test of lubricating oil sludge, a used centrifugal tube is a traditional conical centrifugal tube, and the structure of the centrifugal tube is shown in detail in figure 1. The conical centrifuge tube is generally a 100ml pointed glass tube, and has a length of about 200 mm. When the conical centrifugal tube is used for carrying out a sludge precipitation test, the following defects are often caused: 1) because the structure of the tube wall of the conical centrifugal tube is limited, strong convection can be caused in the conical centrifugal tube, and the centrifugal effect can be adversely affected; 2) when liquid separation treatment is needed after centrifugation, liquid separation is inconvenient; more critical is that: 3) under the centrifugal force action of the angle rotor centrifuge, separated oil sludge is attached to the middle lower part of the tube wall of the cone-shaped centrifuge tube in a sheet or spot shape, the content of the oil sludge or the volume of the oil sludge is difficult to determine, the precision of an oil sludge analysis test is influenced, the working state or abnormal state of lubricating oil is difficult to accurately judge, and the reliability of the operation of an industrial gas turbine unit is influenced.
Disclosure of Invention
In order to solve the above-mentioned problem that exists among the background art, the utility model provides a can audio-visual judgement appear fatlute volume, conveniently measure fatlute content's fatlute and appear experimental centrifuging tube structure of using.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a centrifuge tube structure for an oil sludge precipitation test comprises an upper tube body, a transition tube body and a lower tube body which are integrally connected from top to bottom; the upper pipe body and the lower pipe body are both cylindrical pipe body structures, and the diameter of the upper pipe body is larger than that of the lower pipe body; the transition pipe body is of a conical pipe body structure; the top of the upper pipe body is provided with a pipe orifice; the bottom of the lower pipe body is flush and sealed.
The axis of the upper pipe body, the axis of the transition pipe body and the axis of the lower pipe body are coaxial.
The included angle between the generatrix of the transition pipe body and the axis of the transition pipe body is 20-45 degrees.
The transition pipe body is connected with the upper pipe body in a circular arc smooth mode, and the transition pipe body is connected with the lower pipe body in a circular arc smooth mode.
The diameter of the lower pipe body is smaller than that of the upper pipe body.
The height ratio of the lower pipe body to the upper pipe body is 0.5-3: 5-10.
The length-diameter ratio of the lower pipe body is 1-6: 0.8-4.
The volume of the lower tube body is 0.6ml-2 ml.
The length-diameter ratio of the upper pipe body is 1-2: 0.8-1.2.
The nozzle is of a bell mouth-shaped structure.
The centrifugal tube for the oil sludge precipitation test is a quartz tube or a borosilicate transparent glass tube.
The utility model has the advantages that:
the utility model provides a centrifuge tube structure for oil sludge precipitation test, which comprises an upper tube body, a transition tube body and a lower tube body which are integrally connected from top to bottom; the upper pipe body and the lower pipe body are both cylindrical pipe body structures; the transition pipe body is a conical pipe body structure; the top of the upper pipe body is provided with a pipe orifice; the bottom of the lower tube body is flush and sealed. The utility model discloses should be the syllogic with traditional whole conical centrifugal body, be upper portion body, transition body and lower part body respectively, make into cylindricly respectively with upper portion body and lower part body simultaneously to connect and pass through conical transition body. The utility model discloses a such design can ensure that deposit can be totally slided to the lower part body bottom of centrifuging tube among the centrifugation process, and the transition body uses circular arc smooth connection with the upper portion body, can ensure that the smooth of deposit slides to the centrifuging tube bottom, and the transition body uses circular arc smooth connection with the lower part body, can ensure that the smooth of deposit slides to the centrifuging tube bottom. The lower pipe body is used for storing sludge sediment separated out after centrifugation, and the volume of the sludge can be conveniently and visually judged. The utility model provides a fatlute is appeared for experiment centrifuging tube mainly comprises the pipe shaft part of the great volume in upper portion, level and smooth transition body and the lower part body part of the less volume in lower part, can slide the precipitate to the bottom completely through the transition body, but the lower part body of the less volume in rethread lower part efficient branch processing fatlute precipitate, and the volume of fatlute is appeared in audio-visual judgement, makes things convenient for the fatlute to measure. The utility model discloses can conveniently divide liquid when adopting traditional toper centrifuging tube to experiment in fatlute precipitation test, sludge volume after the direct-viewing centrifugation, make things convenient for the experimenter to operate and use and improve experimental efficiency, the problem of traditional toper centrifuging tube centrifugation back fatlute distribution irregularity with divide the liquid difficulty has been solved, under the centrifugal force effect of angle rotor centrifuge, the fatlute of separation is column or wedge form and adheres to in lower part body bottom, can be according to the bottom length of this fatlute of actual measurement, fatlute content or fatlute volume are directly calculated and calculated to the height (or thickness) of width and fatlute, fatlute analysis test's precision has been improved, can make accurate judgement to the operating condition or the abnormal state of lubricating oil, provide powerful working parameter and foundation for the normal reliable operation of industry gas turbine unit.
Drawings
FIG. 1 is a schematic diagram of a centrifuge tube used in the prior art.
Fig. 2 is the utility model provides a structural schematic of centrifuging tube for fatlute precipitation test.
Fig. 3 is a reference diagram of the usage state of the centrifugal tube for the sludge precipitation test provided by the utility model.
Wherein:
1-pipe orifice; 2-an upper pipe body; 3-a transition pipe body; 4-a lower tube body; 5-oil sludge.
Detailed Description
As shown in fig. 2, the utility model provides a centrifuge tube structure for sludge precipitation test, which comprises an upper tube body 2, a transition tube body 3 and a lower tube body 4 which are integrally connected from top to bottom; the upper pipe body 2 and the lower pipe body 4 are both cylindrical pipe body structures; the transition pipe body 3 is a conical pipe body structure; the top of the upper pipe body 2 is provided with a pipe orifice 1; the bottom of the lower tube body 4 is flush and sealed. The upper part of the pipe orifice is in zero clearance fit with the rubber plug through a smooth surface, and the lower part of the pipe orifice is of an arc-shaped bell mouth structure and is connected with the upper end of the upper pipe body. The upper end of the pipe orifice is the same as the shape and the size of the threaded cover or the rubber plug. The mouth of pipe possesses suitable diameter, can ensure on the one hand that sample and solvent are convenient add the centrifuging tube in, and on the other hand still need ensure to have good leakproofness after adding back liquid.
The axial line of the upper pipe body 2, the axial line of the transition pipe body 3 and the axial line of the lower pipe body 4 are coaxial, and the included angle between the generatrix of the transition pipe body 3 and the axial line of the transition pipe body 3 is 20-45 degrees.
The diameter of the lower tube body 4 is smaller than that of the upper tube body 2, and the height ratio of the lower tube body 4 to the upper tube body 2 is 0.5-3: 5-10, the length-diameter ratio of the lower tube body 4 is 1-6: 0.8-4, the volume of the lower tube body 4 is 0.6ml-2ml, the length-diameter ratio of the upper tube body 2 is 1-2: 0.8-1.2. The upper pipe body 2 is cylindrical, the diameter of the upper pipe body is 40-60mm, and the height of the upper pipe body is 50-100 mm. There is mouth of pipe 1 on upper portion body, and the lower part is connected with transition body 3, and the cylinder of upper portion body 2 should have great volume to hold required sample and solvent volume. The transition pipe body 3 is in an inverted cone shape, the upper portion and the lower portion of the transition pipe body are connected with the upper pipe body 2 and the lower pipe body 4 through arc transition and are connected with the upper pipe body 2 and the lower pipe body 4 in a smooth mode, and the smooth sliding of precipitated oil sludge into the pipe bottom is guaranteed. So as to ensure that the sediments can completely slide to the bottom of the tube body at the lower part of the centrifugal tube in the centrifugal process. The transition pipe body is smoothly connected with the upper pipe body through an arc, so that the sediment can be smoothly slid to the bottom of the centrifugal pipe. The transition pipe body is smoothly connected with the lower pipe body through an arc, so that the sediment can be smoothly slid to the bottom of the centrifugal pipe. The lower tube 4 is also cylindrical, the upper part of the lower tube 4 is connected with the lower part of the transition tube 3, and the bottom of the lower tube is flat. The lower tube 4 is a cylinder with a suitable volume, which can contain all the precipitated sludge on the one hand and should have good volume resolution on the other hand. The diameter of the lower pipe body is 4-20mm, the height is 5-30mm, and the volume is 0.6-2 ml.
The pipe orifice 1 is of a bell mouth-shaped structure, and the centrifugal pipe for the oil sludge precipitation test is a quartz pipe or a borosilicate transparent glass pipe.
The utility model provides a fatlute is centrifugal tube for precipitation test when specifically using, under the centrifugal force effect of angle rotor centrifuge, the fatlute 5 of separation is column or wedge form and attaches to lower part body bottom (see figure 3), can directly calculate fatlute content or fatlute volume according to the height (or the thickness) of the bottom length of this fatlute of actual measurement, width and fatlute. Because the centrifugal tube has a regular lower tube body, the volume of precipitated oil sludge can be accurately judged, and the accuracy of calculation of the volume of the oil sludge is ensured.
Claims (10)
1. The utility model provides a fatlute is appeared experimental centrifuging tube structure of using which characterized in that: the centrifugal tube for the oil sludge precipitation test comprises an upper tube body (2), a transition tube body (3) and a lower tube body (4) which are integrally connected from top to bottom; the upper pipe body (2) and the lower pipe body (4) are both cylindrical pipe body structures, and the diameter of the upper pipe body (2) is larger than that of the lower pipe body (4); the transition pipe body (3) is of a conical pipe body structure; the top of the upper pipe body (2) is provided with a pipe orifice (1); the bottom of the lower pipe body (4) is flush and sealed.
2. The centrifugal tube structure for the oil sludge precipitation test according to claim 1, which is characterized in that: the axial line of the upper pipe body (2), the axial line of the transition pipe body (3) and the axial line of the lower pipe body (4) are coaxial.
3. The centrifugal tube structure for the oil sludge precipitation test according to claim 2, which is characterized in that: the included angle between the generatrix of the transition pipe body (3) and the axis of the transition pipe body (3) is 20-45 degrees.
4. The centrifugal tube structure for the oil sludge precipitation test according to claim 2, which is characterized in that: the transition pipe body (3) is connected with the upper pipe body (2) in a circular arc smooth mode, and the transition pipe body (3) is connected with the lower pipe body (4) in a circular arc smooth mode.
5. The centrifugal tube structure for the oil sludge precipitation test according to claim 1, which is characterized in that: the height ratio of the lower pipe body (4) to the upper pipe body (2) is 0.5-3: 5-10.
6. The centrifugal tube structure for the oil sludge precipitation test according to claim 1, which is characterized in that: the length-diameter ratio of the lower pipe body (4) is 1-6: 0.8-4.
7. The centrifugal tube structure for the oil sludge precipitation test according to claim 1, which is characterized in that: the volume of the lower pipe body (4) is 0.6ml-2 ml.
8. The centrifugal tube structure for the oil sludge precipitation test according to claim 1, which is characterized in that: the length-diameter ratio of the upper pipe body (2) is 1-2: 0.8-1.2.
9. The centrifugal tube structure for the oil sludge precipitation test according to claim 1, which is characterized in that: the pipe orifice (1) is of a bell-mouth-shaped structure.
10. The centrifugal tube structure for the oil sludge precipitation test according to claim 1, which is characterized in that: the centrifugal tube for the oil sludge precipitation test is a quartz tube or a borosilicate transparent glass tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623812.XU CN210206910U (en) | 2019-05-05 | 2019-05-05 | Centrifugal tube structure for oil sludge precipitation test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623812.XU CN210206910U (en) | 2019-05-05 | 2019-05-05 | Centrifugal tube structure for oil sludge precipitation test |
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| CN210206910U true CN210206910U (en) | 2020-03-31 |
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| CN201920623812.XU Active CN210206910U (en) | 2019-05-05 | 2019-05-05 | Centrifugal tube structure for oil sludge precipitation test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038660A (en) * | 2019-05-05 | 2019-07-23 | 西安热工研究院有限公司 | Test centrifuge tube is precipitated in greasy filth |
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2019
- 2019-05-05 CN CN201920623812.XU patent/CN210206910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038660A (en) * | 2019-05-05 | 2019-07-23 | 西安热工研究院有限公司 | Test centrifuge tube is precipitated in greasy filth |
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