CN2161922Y - Petroleum products low temp. property analyzer - Google Patents
Petroleum products low temp. property analyzer Download PDFInfo
- Publication number
- CN2161922Y CN2161922Y CN 93215744 CN93215744U CN2161922Y CN 2161922 Y CN2161922 Y CN 2161922Y CN 93215744 CN93215744 CN 93215744 CN 93215744 U CN93215744 U CN 93215744U CN 2161922 Y CN2161922 Y CN 2161922Y
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- temperature
- cryostat
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- analyzer
- refrigeratory
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Abstract
The utility model relates to a petroleum products low temp. property analyzer which is composed of a cold bath [1], a thermometer [2], a compressor unit [3], a heater [4], a cooler [5], a temperature sensor [6], a bidirectional thyristor [7], a voltage regulator [8], a dedicated keyboard [9], a displayer [10], a micro-computer module [11] and a stirrer [12]. The utility model can realizes the up-and-down temperature of an automatic program. The utility model has the advantages of fast cooling rate, high temperature control precision, small size, light weight, low noise and simple operation, which is suitable for measuring the flocculation point, the low temperature viscosity, the pour point, the freezing point, the turbidity point, etc. of the petroleum liquid product.
Description
The utility model relates to a kind of petroleum products instrument for measuring low-temperature performance, a kind of more precisely instrument for measuring low-temperature performance of petroleum liquid product that can temperature programmed control.
The important indicator of petroleum products cryogenic property has floc point, solidifying point, cloud point, pour point, low temperature viscosity etc., these performances is measured accurately very necessary.
At present, measuring the cryogenic property of petroleum products such as the floc point of refrigerant condenser oil is exactly the equipment that adopts DIN DIN51351-82 method to be introduced.This kind equipment normally is made up of developmental tube of dry ice cryostat, stirrer, thermometer and Sheng oil sample etc.To remove the moisture content in the oil sample in the developmental tube when measuring oil sample earlier, the refrigerant of annotating then, the sealing by fusing mouth of pipe is warming up to room temperature, shakes, make oil sample and refrigerant mixing, developmental tube is inserted in the cryostat, turn on agitator is with the cooling rate cooling of dry ice with 1 ℃/minute again, the state variation of oil sample in the viewing test pipe is read temperature by the thermometer in the cryostat.Above-mentioned measuring process finds out that this equipment has following shortcoming: (1) adds dry ice nature alternating temperature because heating and cooling process is, restive 1 ℃/minute cooling rate, and be subjected to the influence of environment temperature bigger, bring than mistake to test result; (2) owing to adopt dry ice refrigeration, regular meeting pollutes the cryostat body lotion, is difficult to accurate observation experiment result in the experiment; (3) this method often needs standby a large amount of dry ice, and the storage and transport of dry ice are all inconvenient; (4) temperature-fall period that adds dry ice is difficult to test factually and requires control alternating temperature speed and temperature-controlled precision, thereby performances such as the low temperature viscosity of this device measuring oil product, low-temperature stability and low temperature mutual solubility are very difficult, and its range of application is restricted.
The purpose of this utility model is the shortcoming that overcomes existing device, and the instrument for measuring low-temperature performance that a kind of cooling rate is fast, temperature-controlled precision is high and range of application is wide is provided.
Task of the present utility model realizes by following proposal.
Basic structure pattern of the present utility model: well heater and refrigeratory are coiled into the helical type and are fixed on the interior centre position of cryostat around stirrer; Well heater links by the RCU interface of bidirectional triode thyristor and silicon-controlled voltage regulation device and microcomputer module; Temperature sensor is fixed on interior cryostat sidewall of cryostat and the centre position between the refrigeratory, and INT interface direct and the microcomputer module links; Keyboard special and display and microcomputer module link; Refrigeratory and compressor link.
Further describe characteristics of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is the synoptic diagram of the utility model analyzer.This analyzer is made of cryostat ［ 1 ］, thermometer ［ 2 ］, compressor train ［ 3 ］, well heater ［ 4 ］, refrigeratory ［ 5 ］, temperature sensor ［ 6 ］, bidirectional triode thyristor ［ 7 ］, silicon-controlled voltage regulation device ［ 8 ］, keyboard special ［ 9 ］, display ［ 10 ］, microcomputer module ［ 11 ］, stirrer ［ 12 ］ and illuminating lamp ［ 13 ］.
As seen from the figure, well heater ［ 4 ］ is coiled into the helical type and is fixed on the interior centre position of cryostat ［ 1 ］ around stirrer ［ 12 ］ with refrigeratory ［ 5 ］; Well heater ［ 4 ］ links by the RCU interface of bidirectional triode thyristor ［ 7 ］ and silicon-controlled voltage regulation device ［ 8 ］ and microcomputer module ［ 11 ］; Temperature sensor ［ 6 ］ is fixed on the centre position between cryostat ［ 1 ］ and the refrigeratory ［ 5 ］, and INT interface direct and microcomputer module ［ 11 ］ links; Keyboard special ［ 9 ］ and display ［ 10 ］ link with microcomputer module ［ 11 ］; Refrigeratory ［ 5 ］ links with compressor train ［ 3 ］.Be mounted with the illuminating lamp ［ 13 ］ of being convenient to the observation experiment result in cryostat ［ 1 ］ bottom.
Described compressor train ［ 3 ］ adopts superposition type two-shipper compression refrigerating system, promptly by two high and low temperature units independently, the evaporation of high temperature unit cold-producing medium is used for absorbing the specific latent heat of low temperature unit cold-producing medium, make low temperature unit condensation of refrigerant become liquid, the evaporation heat absorption cools cryostat after throttling.Adopting what compression refrigeration to look Test Condition Requirements decides.The specification of the compressor that the utility model is selected is SC18A-2100, and this compressor weight is light, and volume is little, and noise is low, and is fully closed.
Described well heater ［ 3 ］ is that the heater strip coiling of tape insulation layer protective jacket forms.
Described refrigeratory ［ 4 ］ is to be made by aluminium matter or copper tubing.
Described temperature sensor ［ 6 ］ preferably model is RT platinum 100 type resistance.
Described microcomputer module ［ 11 ］, preferably model is the XMT-40 module.
Described bidirectional triode thyristor ［ 8 ］ preferably model is the bidirectional triode thyristor of BCR12A.
The specification of described silicon-controlled voltage regulation device ［ 9 ］ is 0～100V.
Described cryostat ［ 1 ］ is to be made by transparent material, bathes the hole that a series of test usefulness were made and had to lid by insulating material.
Principle of work of the present utility model: the refrigeration system that the refrigeratory ［ 4 ］ that is linked with it by compressor train ［ 3 ］ is formed provides low temperature required low-temperature receiver to cryostat ［ 1 ］; Again by constituting temperature control system by well heater ［ 4 ］, temperature sensor ［ 6 ］, bidirectional triode thyristor ［ 7 ］, silicon-controlled voltage regulation device ［ 8 ］ and microcomputer module ［ 11 ］, provide thermal source to cryostat, make its cold and hot amount balance, with the realization temperature self-compensation, thereby improve the temperature control precision of system and realize temperature program(me) control; The keyboard special ［ 9 ］ and the display ［ 10 ］ that link with microcomputer module ［ 11 ］ are used for showing and design temperature controlled variable and temperature variations in service, and total system is worked under the automatic control of microcomputer; The jet flow beating action of stirrer ［ 12 ］ can make in the cryostat temperature at each position even, and measurement data is more accurate.The temperature control system principle of work: temperature sensor ［ 6 ］ provides temperature signal in the cryostat to microcomputer module ［ 11 ］, again by microcomputer instrucment according to the program that sets, this signal is handled the back regulate silicon-controlled voltage regulation device ［ 9 ］ automatically, temperature compensation is carried out in cryostat ［ 1 ］ by well heater ［ 4 ］ to the given voltage of bidirectional triode thyristor ［ 7 ］.
Major advantage of the present utility model:
1. owing to adopt the compression of superposition type two-shipper, but ultralow temp refrigeration reaches-75 ℃, and automatic cooling, cooling rate fast (2 ℃/minute);
2. is furnished with heat temperature raising system, microcomputer instrucment is controlled automatically, can realize programmed cooling, in the time of 20～60 ℃ 1 ℃/minute, in the time of 20～-70 ℃, temperature control precision is ± 0.05 ℃ separately, 6 ℃/minute of the fastest programming rates, programmed cooling speed can freely be selected, but programmed cooling curve linear pattern, but also shaped form.
3. cooling coil and heater coiled tubular, jet flow stirs cryostat central authorities is set, and makes to bathe temperature evenly.
4. the design of independent bath body, a tractor serves several purposes can be measured viscosity, low temperature mutual solubility and pour point, solidifying point, the cloud point of floc point, 20～-70 ℃ arbitrary temp of petroleum liquid product etc., also can be used for the correction of low-reading thermometer.
5. analyzer volume of the present utility model is little, in light weight, and noise is low, and is simple to operate.
Claims (6)
1, a kind of petroleum products instrument for measuring low-temperature performance, it is characterized in that well heater [4] and refrigeratory [5] are coiled into the helical type and are fixed on the interior centre position of cryostat [1] around stirrer [12], described well heater [4] links by the RCU interface of bidirectional triode thyristor [7] and silicon-controlled voltage regulation device [8] and microcomputer module [11], temperature sensor [6] is fixed on the center between cryostat [1] and the refrigeratory [5], direct and microcomputer module [11] links, keyboard special [9] and display [10] link with microcomputer module [11], refrigeratory [5] links with compressor train [3], is mounted with illuminating lamp [13] in the cryostat bottom.
2,, it is characterized in that described compressor train ［ 3 ］ adopts two independently superposition type two-shipper compression refrigerating systems of compressor composition according to the described analyzer of claim 1.
3, according to the described analyzer of claim 1, it is characterized in that described microcomputer module ［ 11 ］ preferably model be the XMT-40 module.
4, according to the described analyzer of claim 1, it is characterized in that described bidirectional triode thyristor ［ 8 ］ preferably model be the bidirectional triode thyristor of BCR12A.
5, according to the described analyzer of claim 1, it is characterized in that described temperature sensor ［ 6 ］ preferably model be RT platinum 100 type resistance.
6, according to the described analyzer of claim 1, the specification that it is characterized in that described silicon-controlled voltage regulation device ［ 8 ］ is 0～100V preferably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93215744 CN2161922Y (en) | 1993-06-15 | 1993-06-15 | Petroleum products low temp. property analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93215744 CN2161922Y (en) | 1993-06-15 | 1993-06-15 | Petroleum products low temp. property analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2161922Y true CN2161922Y (en) | 1994-04-13 |
Family
ID=33796137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93215744 Expired - Fee Related CN2161922Y (en) | 1993-06-15 | 1993-06-15 | Petroleum products low temp. property analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2161922Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104919308A (en) * | 2013-02-18 | 2015-09-16 | 川崎重工业株式会社 | Fuel-oil analyzer |
| CN107817264A (en) * | 2017-11-27 | 2018-03-20 | 蔡智韬 | A kind of automatic pour point detector with controllable temperature difference method |
| CN107976464A (en) * | 2016-10-25 | 2018-05-01 | 中国石油化工股份有限公司 | The method and device of monitoring boat coal production accident |
| CN109459462A (en) * | 2018-10-31 | 2019-03-12 | 泉州市全通光电科技有限公司 | A kind of automatic freezing point apparatus and its test method |
| CN111391120A (en) * | 2019-01-03 | 2020-07-10 | 中国石油化工股份有限公司 | Negative temperature well cementation cement paste high speed mixer |
-
1993
- 1993-06-15 CN CN 93215744 patent/CN2161922Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104919308A (en) * | 2013-02-18 | 2015-09-16 | 川崎重工业株式会社 | Fuel-oil analyzer |
| CN107976464A (en) * | 2016-10-25 | 2018-05-01 | 中国石油化工股份有限公司 | The method and device of monitoring boat coal production accident |
| CN107976464B (en) * | 2016-10-25 | 2020-06-16 | 中国石油化工股份有限公司 | Method and device for monitoring aviation kerosene production accident |
| CN107817264A (en) * | 2017-11-27 | 2018-03-20 | 蔡智韬 | A kind of automatic pour point detector with controllable temperature difference method |
| CN107817264B (en) * | 2017-11-27 | 2023-10-31 | 蔡智韬 | Automatic inclination point detector by controllable temperature difference method |
| CN109459462A (en) * | 2018-10-31 | 2019-03-12 | 泉州市全通光电科技有限公司 | A kind of automatic freezing point apparatus and its test method |
| CN109459462B (en) * | 2018-10-31 | 2021-03-19 | 泉州市全通光电科技有限公司 | Automatic freezing point tester and testing method thereof |
| CN111391120A (en) * | 2019-01-03 | 2020-07-10 | 中国石油化工股份有限公司 | Negative temperature well cementation cement paste high speed mixer |
| CN111391120B (en) * | 2019-01-03 | 2021-05-18 | 中国石油化工股份有限公司 | Negative temperature well cementation cement paste high speed mixer |
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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 |