CN2550758Y - Pour point detector for petroleum and petroleum products - Google Patents
Pour point detector for petroleum and petroleum products Download PDFInfo
- Publication number
- CN2550758Y CN2550758Y CN 02265271 CN02265271U CN2550758Y CN 2550758 Y CN2550758 Y CN 2550758Y CN 02265271 CN02265271 CN 02265271 CN 02265271 U CN02265271 U CN 02265271U CN 2550758 Y CN2550758 Y CN 2550758Y
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- CN
- China
- Prior art keywords
- cold
- petroleum
- snorkel
- pour point
- cryostat
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a pour point determinator of petroleum and petroleum products, comprising a frame, a controller and a cold bath, which is characterized in that: a test tube is arranged in the cold bath, a cold well cover is arranged on the top part of the cold bath, a refrigerator is arranged outside the cold bath, an air inlet hole is arranged on the cold well cover, the air inlet hole is connected with an air pressure pump by an inlet pipe, a solenoid valve is side-connected with the inlet pipe, the piston of the air pressure pump is connected with the stepping motor, a vent pipe is arranged on the cold well cover, the test tube is extended into the top end inside the vent pipe, a pressure sensor is connected with the vent pipe, the vent pipe is side-connected with the solenoid valve, a temperature sensor is arranged at the top end inside the vent pipe. The utility model has an advantage of determining the pour points of the petroleum and petroleum products exactly and rapidly.
Description
Technical field
The utility model relates to a kind of analyzer, particularly a kind of oil and petroleum products pour point analyzer.
Background technology
Measure at present oil and petroleum products pour point and be with the sample test tube of packing into and be cooled to after the uniform temperature its inclination, whether the detect by an unaided eye sample of oil and petroleum products flows is measured pour point, this method can cause artificial error very big owing to the observation of naked eyes, and after higher temperature does not record pour point, the cryostat that sample is put into lower temperature one by one will be repeated above-mentioned observation process until measuring pour point, therefore need a plurality of cryostats, operate extremely loaded down with trivial details.
Summary of the invention
The purpose of this utility model is to solve that to measure oil and petroleum products pour point in the prior art be to be cooled to after the uniform temperature its inclination with the sample test tube of packing into, whether the detect by an unaided eye sample of oil and petroleum products flows is measured pour point, this method can cause artificial error very big owing to the observation of naked eyes, and after higher temperature does not record pour point, the cryostat that sample is put into lower temperature one by one will be repeated above-mentioned observation process until measuring pour point, therefore need a plurality of cryostats, operate extremely loaded down with trivial details problem.The utility model design oil and petroleum products pour point analyzer, comprise body, controller, cryostat, it is characterized in that: test tube is arranged in the cryostat, the cold-trap lid is arranged at the cryostat top, cryostat has refrigerator outward, cold-trap has covered air admission hole, air admission hole connects the pneumatics pump by draft tube, the other solenoid valve that is connected on the draft tube, the piston of pneumatics pump connects stepper motor, and cold-trap has covered snorkel, test tube is stretched on the top in the snorkel, snorkel connects pressure transducer, the other solenoid valve that connects of snorkel, and there is a temperature sensor on the top in the snorkel.The utility model has the advantages that accurately fast measuring oil and petroleum products pour point.
Description of drawings
Below in conjunction with drawings and Examples the utility model is elaborated, accompanying drawing is a structural representation of the present utility model,
Comprise controller 1, cryostat 2 among the embodiment figure, it is characterized in that: test tube 3 is arranged in the cryostat 2, cold-trap lid 4 is arranged at cryostat 2 tops, semiconductor cooler 5 is arranged outside the cryostat 2, on the cold-trap lid 4 air admission hole 6 is arranged, air admission hole 6 connects pneumatics pump 8 by draft tube 7, the other solenoid valve 9 that is connected on the draft tube 7, the piston 10 of pneumatics pump 8 connects stepper motor 11, on the cold-trap lid 4 snorkel 12 is arranged, test tube 3 is stretched on the top in the snorkel 12, and snorkel 12 connects pressure transducer 13, the snorkel 12 other solenoid valves 14 that connect, there is a temperature sensor 15 on the top in the snorkel 12.Sample is contained in the test tube 3, semiconductor cooler 5 begins cooling, according to the pressure of setting, the revolution of control step motor 11 promotes the piston 10 of pneumatics pump 8, to setting behind the number stall and postponing 5 seconds, air pressure is fed in the cryostats 2 by air admission hole 6 through draft tube 7, puts on the test product in the test tube 3, if test product does not freeze as yet, pressure transducer 13 detects pressure by snorkel 12 to be changed, and the test product liquid level rises, and stepper motor 11 counter-rotatings reset, solenoid valve 9,14 open, with 1 ℃ of the every decline of temperature, repeat said process, freeze until test product, the temperature sensor 15 detected temperature of this moment are condensation point, and the condensation point temperature is added 1 ℃ of pour point that is test product.
Claims (1)
- Oil and petroleum products pour point analyzer comprise body, controller, cryostat, it is characterized in that: test tube is arranged in the cryostat, the cold-trap lid is arranged at the cryostat top, and cryostat has refrigerator outward, and cold-trap has covered air admission hole, air admission hole connects the pneumatics pump by draft tube, the other solenoid valve that is connected on the draft tube, the piston of pneumatics pump connects stepper motor, and cold-trap has covered snorkel, test tube is stretched on the top in the snorkel, snorkel connects pressure transducer, the other solenoid valve that connects of snorkel, and there is a temperature sensor on the top in the snorkel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265271 CN2550758Y (en) | 2002-07-03 | 2002-07-03 | Pour point detector for petroleum and petroleum products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265271 CN2550758Y (en) | 2002-07-03 | 2002-07-03 | Pour point detector for petroleum and petroleum products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550758Y true CN2550758Y (en) | 2003-05-14 |
Family
ID=33731320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02265271 Expired - Fee Related CN2550758Y (en) | 2002-07-03 | 2002-07-03 | Pour point detector for petroleum and petroleum products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2550758Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008639B (en) * | 2006-01-26 | 2010-09-29 | 中国石油天然气股份有限公司 | Method and device for accurately testing pour point of petroleum product |
| CN101907552A (en) * | 2010-07-15 | 2010-12-08 | 大连北方分析仪器有限公司 | Method and device for automatically detecting pour point of petroleum product by utilizing micro inspiration mode |
| CN103728438A (en) * | 2013-12-16 | 2014-04-16 | 大连理工大学 | Automatic air pressurization control method for petroleum pour point measurement |
| CN107255651A (en) * | 2017-07-20 | 2017-10-17 | 中国石油大学(北京) | The measurement apparatus and its method of Crude Oil ＆ Petroleum Products pour point at various pressures |
| CN107796843A (en) * | 2017-11-27 | 2018-03-13 | 蔡智韬 | A kind of automatic condensation point detector with micro-pressure gradient method |
| CN111948245A (en) * | 2020-08-10 | 2020-11-17 | 淄博纳瑞仪器有限公司 | Automatic pour point testing device for pneumatic petroleum products |
-
2002
- 2002-07-03 CN CN 02265271 patent/CN2550758Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101008639B (en) * | 2006-01-26 | 2010-09-29 | 中国石油天然气股份有限公司 | Method and device for accurately testing pour point of petroleum product |
| CN101907552A (en) * | 2010-07-15 | 2010-12-08 | 大连北方分析仪器有限公司 | Method and device for automatically detecting pour point of petroleum product by utilizing micro inspiration mode |
| CN101907552B (en) * | 2010-07-15 | 2012-05-30 | 大连北方分析仪器有限公司 | Method and device for automatically detecting pour point of petroleum product by utilizing micro inspiration mode |
| CN103728438A (en) * | 2013-12-16 | 2014-04-16 | 大连理工大学 | Automatic air pressurization control method for petroleum pour point measurement |
| CN103728438B (en) * | 2013-12-16 | 2015-07-29 | 大连理工大学 | The automatic air pressure control method that petroleum sneeze-point is measured |
| CN107255651A (en) * | 2017-07-20 | 2017-10-17 | 中国石油大学(北京) | The measurement apparatus and its method of Crude Oil ＆ Petroleum Products pour point at various pressures |
| CN107796843A (en) * | 2017-11-27 | 2018-03-13 | 蔡智韬 | A kind of automatic condensation point detector with micro-pressure gradient method |
| CN107796843B (en) * | 2017-11-27 | 2023-10-31 | 蔡智韬 | Automatic condensation detector using micro-pressure tilting method |
| CN111948245A (en) * | 2020-08-10 | 2020-11-17 | 淄博纳瑞仪器有限公司 | Automatic pour point testing device for pneumatic petroleum products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |