CN201053957Y - Micro analyzer for ZBX aviation turbine fuel freezing point on-line analyzing system - Google Patents
Micro analyzer for ZBX aviation turbine fuel freezing point on-line analyzing system Download PDFInfo
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- CN201053957Y CN201053957Y CNU2007200323643U CN200720032364U CN201053957Y CN 201053957 Y CN201053957 Y CN 201053957Y CN U2007200323643 U CNU2007200323643 U CN U2007200323643U CN 200720032364 U CN200720032364 U CN 200720032364U CN 201053957 Y CN201053957 Y CN 201053957Y
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Abstract
The utility model discloses a micro analyzer used for a ZBX type navigation coal freezing point online analysis system. The micro analyzer comprises an analysis cup. The rough mid part of the analysis cup is provided with a through hole, and the two ends of the through hole are connected with an oil inlet and an oil outlet; in mid section of the through hole, a cavity black layer is arranged nearly on the half circular arc surface of the hole wall, and a specular reflection sheet is arranged on the other half circular arc surface of the hole wall; the position that is laid on the analysis cup and is opposite to the specular reflection sheet is provided with a transverse hole which is vertically communicated with the through hole. In the transverse hole, an optical fiber sensor is arranged. Inlet light filament and outlet light filament of the optical fiber sensor are connected with the two ends of the specular reflection sheet; the other end of the inlet light filament is connected with infrared incoming ray, and the other end of the outlet light filament is connected with the infrared receiving ray; the analysis cup also has a sunken hole where a temperature testing resistor is arranged. The utility model has the advantages of reasonable structure, small body and only 0.1m oil sample in an oil sample testing container; the analysis repeated accuracy reaches 0.7DEG C. The utility model can be matched with the advanced control system in each oil refinery; the utility model has the advantages of reliable performance, steady operation and measurement accuracy.
Description
Technical field
The utility model relates to the automatic analysis system of a kind of aviation kerosene its particular technology index of on-line analysis in the oil refining production run; Specifically a kind of miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system.
Background technology
Aviation kerosene (hereinafter to be referred as the boat coal) as aircraft engine fuel in use can be in temperature and hang down under the condition that reaches-50 ℃, stops up petroleum pipeline if the crystallization meeting occurs in the coal that at this moment navigates, and causes great aircraft accident.So the freezing point value is the most important quality index of boat coal.At present, the artificial assay method of main employing is analyzed boat coal freezing point in the oil refining production run, and then instructs production operation.Along with the raising of domestic each refinery automatization level and applying of advanced control system, artificial assay method is the time-consuming production run that lags behind greatly again, can not satisfy the production needs.At present, boat coal freezing point on-line analysis system is domestic belongs to blank.There is this product in several companies such as Germany, the U.S., Canada, and Germany, the U.S. mainly adopt and traditional add the mode that refrigerating machine combines with the internal heat electric refrigerator sample is lowered the temperature, and system is huge, costs an arm and a leg.External state-of-the-art have the advantages that to need not external refrigerating machine for adding the online freezing point analytic system of taking production, directly with thermoelectric cooling module sample lowered the temperature, and its quotation is every cover system 11.3 ten thousand U.S. dollars, and analyzer oil sample cavity volume is bigger, is the hundreds of milliliter.
In order to realize the coal on-line analysis system production domesticization of navigating, the applicant develops the explosion-proof intelligent online quality analysis system of energy automatic continuous analysis aviation kerosene freezing point in the oil refining production run, the i.e. online freezing point analytic system of ZBX type aviation kerosene.This analytic system is applicable to Ex d II CT
4The place of explosive-proof grade can be supporting with advanced control system, can improve the controlling level of process units, realizes " edge " operation, improves the product quality and the product yield of aviation kerosene.This analytic system does not need external explosion-proof type mechanical compress refrigerating machine, can reduce the analytic system cost greatly, avoids the maintenance workload of user to refrigerating machine.
Because boat coal freezing point temperature can reach below-60 ℃, belong to degree of depth cooling system, and the ZBX type boat coal freezing point on-line analysis system thermoelectric cooling module of applicant's development is directly to use 30 ℃ tap water that thermoelectric cooling module is dispelled the heat, so require thermoelectric cooling module to produce 90 ~ 100 ℃ the temperature difference.For this reason, the applicant develops the stepped level Four semiconductor heat of pagoda electric refrigerator, this refrigerator can produce the very big temperature difference, but its cooling power is little, be that carrying load ability is little, require technically further to reduce with the volume of fourth stage semiconductor heat electric refrigerator analysis cup that directly contact, analyzer, the smaller the better, thereby the objective requirement of miniature analyzer is developed in proposition.
Analyzer is the core component of ZBX type boat coal freezing point on-line analysis system.In analyzer, to finish refrigeration cooling to tested oil sample, whether produce crystallization after the continuous monitoring oil sample is lowered the temperature, will be determined this temperature when oil sample cools to when crystallization point produces crystallization, the multinomial functions such as temperature freezing point temperature value when stopping refrigeration at once and measuring oil sample intensification post crystallization disappearing.For the purpose of the analyzer microminiaturization that realizes ZBX type boat coal freezing point on-line analysis system, the miniature analyzer that can satisfy the demand, volume is little is developed in applicant's experiment of tackling key problems repeatedly finally.
The utility model content as mentioned above, the technical problems to be solved in the utility model is to provide a kind of miniature analyzer of rational in infrastructure, the small and exquisite ZBX of the being used for type boat of volume coal freezing point on-line analysis system.
The utility model solves the problems of the technologies described above the technical scheme of taking: a kind of miniature analyzer of the ZBX of being used for type boat coal freezing point on-line analysis system, comprise the analysis cup, it is characterized in that: analyze cup and roughly be provided with through hole in the centre position, the two ends of through hole are connected with oil-in, oil-out respectively; Through hole stage casing, hole wall make an appointment with the arc surface of half to be provided with the surface of internal cavity black layer, and device has the direct reflection sheet on second half arc surface of hole wall; The position corresponding with the direct reflection sheet is provided with the cross-drilled hole of vertical perforation with through hole on the analysis cup, Fibre Optical Sensor is housed in the cross-drilled hole, the advancing chevilled silk and go out chevilled silk and be connected with the two ends of direct reflection sheet respectively of Fibre Optical Sensor, advance the chevilled silk other end and infrared incident light joins, go out the chevilled silk other end and infrared reception light joins; Analyze on the cup and also be provided with counterbore, temperature detecting resistance is installed in the counterbore.
Temperature detecting resistance is the thermometric platinum resistance.
As of the present utility model perfect, for two ends and oil-in, the oil-out that makes through hole is connected firmly, the two ends of through hole are fixed with fuel inlet fitting and delivery connection respectively; In like manner, the cross-drilled hole outer end is fixed with fibre-optical splice; The counterbore outer end is fixed with the resistance joint.
The aluminium block that analysis cup of the present utility model is 20 * 20 * 8mm is made, it only is 0.1ml that oil sample detects cavity volume, promptly realized online detection to oil sample, and external like product cavity volume is tens milliliters, thereby the utility model is rational in infrastructure, volume is small and exquisite, analyzes repeatable accuracy and reaches about 0.7 ℃.Overtesting chamber test of this miniature analyzer and production scene are checked for a long time, have dependable performance, stable, measure advantages such as accurate; It can be supporting with the advanced control system of each refinery, thereby promote the level of China's oil refining robotization control.
The course of work of the present utility model: oil sample enters the analysis cup, at first " heating " displacement last cycle oil sample, washing analysis cavity and be full of new oil sample then, after regularly the oil-feed program is finished, analytic system enters the refrigeration temperature-fall period, at this moment oil sample is lowered the temperature by thermoelectric cooling module, when after crystallization appears in oil sample, disappearing again, detect the peak change of light intensity by Fibre Optical Sensor, and note corresponding freezing point value by platinum resistance, system stops refrigeration, and trigger heats up, the automatic analysis that enters following one-period again.Finish automatic oil-feed oil extraction, cooling automatically, automatic detection methods of a series of automatic controls such as freezing point temperature when measuring crystallization point temperature when crystallization occurring and crystallization and disappear automatically by whole ZBX type boat coal freezing point on-line analysis system, realize fast, accurately, the requirement of METHOD FOR CONTINUOUS DETERMINATION.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is the sectional view of Fibre Optical Sensor of the present utility model.
Among the figure: 1-direct reflection sheet, 2-temperature detecting resistance, 3-resistance joint, 4-oil-out, the 5-delivery connection, 6-surface of internal cavity black layer, 7-fibre-optical splice, the infrared incident light of 8-, the infrared reception light of 9-, the 10-Fibre Optical Sensor, 1001-advances chevilled silk, 1002-goes out chevilled silk, and 11-analyzes cup, 1101-left side cup, the right cup of 1102-, 12-fuel inlet fitting, 13-oil-in, the 14-through hole, 15-cross-drilled hole, 16-counterbore.
Embodiment
As shown in Figure 1: a kind of miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system comprises and analyzes cup 11 that analyzing cup 11 is aluminium block goods; Analyze cup 11 and roughly be provided with the through hole 14 that passes through for tested oil sample in the centre position, the two ends of through hole 14 are connected with oil-in 13, oil-out 4 respectively; Through hole 14 stage casings, hole wall make an appointment with the arc surface of half to be provided with surface of internal cavity black layer 6, and device has direct reflection sheet 1 on second half arc surface of hole wall; Analyze on the cup 11 position corresponding and be provided with cross-drilled hole 15 with through hole 14 vertical perforations with direct reflection sheet 1, Fibre Optical Sensor 10 is housed in the cross-drilled hole 15, the advancing chevilled silk 1001 and go out chevilled silk 1002 and be connected with the two ends of direct reflection sheet 1 respectively of Fibre Optical Sensor 10, advance chevilled silk 1001 other ends and infrared incident light 8 and join, go out chevilled silk 1002 other ends and infrared reception light 9 joins; Analyze on the cup 11 and also be provided with counterbore 16, platinum temperature detecting resistance 2 is installed in the counterbore 16.Analyzing cup 11 overall volumes is 20 * 20 * 8mm.
For ease of to analyzing cup 11 cavity inner surfaces, being the oxide treatments and the insert direct reflection sheet 1 of through hole 14 inner wall surface, analyze cup 11 and inlay to insert by left cup 1101,1,102 two aluminium blocks of right cup and be combined into one.
As of the present utility model perfect, for two ends and oil-in, the oil-out that makes through hole 14 is connected firmly, the two ends of through hole 14 are fixed with fuel inlet fitting 12 and delivery connection 5 respectively; In like manner, cross-drilled hole 15 outer ends are fixed with fibre-optical splice 7; Counterbore 16 outer ends are fixed with resistance joint 3.
As of the present utility model further perfect, guarantee that as possible miniature analyzer cup body structure is compact and complete, guarantee thermometric susceptibility and degree of accuracy; Referring to Fig. 2: Fibre Optical Sensor 10 is installed a multicore large aperture optical fiber, and hundreds of root thin optic fibre silk is arranged in the optical fiber of φ 2mm, and its first half is promptly advanced chevilled silk 1001 as the launching fiber silk, and the latter half promptly goes out chevilled silk 1002 for receiving optical fiber.
In order to realize best cooling effect, as of the present utility model further perfect, guarantee to analyze cup 11 and contact the identical optimum efficiency that reaches with two surface of contact of refrigerator, will analyze cup 11 becomes high-flatness with two surface of contact finish-millings that refrigerator fits plane.
Claims (7)
1. miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system, comprise and analyze cup (11), it is characterized in that: described analysis cup (11) roughly centre position is provided with through hole (14), and the two ends of described through hole (14) are connected with oil-in (13), oil-out (4) respectively; Described through hole (14) stage casing, hole wall make an appointment with the arc surface of half to be provided with surface of internal cavity black layer (6), and device has direct reflection sheet (1) on second half arc surface of described hole wall; The last position corresponding with described direct reflection sheet (1) of described analysis cup (11) is provided with the cross-drilled hole (15) with the vertical perforation of described through hole (14), Fibre Optical Sensor (10) is housed in the described cross-drilled hole (15), the advancing chevilled silk (1001) and go out chevilled silk (1002) and be connected with the two ends of described direct reflection sheet (1) respectively of described Fibre Optical Sensor (10), describedly advance chevilled silk (1001) other end and infrared incident light (8) joins, describedly go out chevilled silk (1002) other end and infrared reception light (9) joins; Also be provided with counterbore (16) on the described analysis cup (11), temperature detecting resistance (2) is installed in the described counterbore (16).
2. a kind of miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system as claimed in claim 1, it is characterized in that: described temperature detecting resistance is (2) platinum temperature detecting resistance.
3. a kind of miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system as claimed in claim 1, it is characterized in that: described analysis cup (11) is that aluminium is analyzed cup (11); Described aluminium analysis cup (11) is inlayed to insert by left cup (1101), right cup (1102) two aluminium blocks and is combined into one.
4. a kind of miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system as claimed in claim 1, it is characterized in that: described Fibre Optical Sensor (10) is installed a multicore large aperture optical fiber, its the first half is the described chevilled silk (1001) that advances, and the latter half is the described chevilled silk (1002) that goes out.
5. as any described a kind of miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system of claim 1 to 4, it is characterized in that: the two ends of described through hole (14) are fixed with fuel inlet fitting (12) and delivery connection (5) respectively; Described cross-drilled hole (15) outer end is fixed with fibre-optical splice (7); Described counterbore (16) outer end is fixed with resistance joint (3).
6. a kind of miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system as claimed in claim 5, it is characterized in that: described analysis cup (11) overall volume is 20 * 20 * 8mm.
7. a kind of miniature analyzer that is used for ZBX type boat coal freezing point on-line analysis system as claimed in claim 6, it is characterized in that: two surface of contact that described analysis cup (11) and refrigerator fit are the planes through the high-flatness of finish-milling processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323643U CN201053957Y (en) | 2007-07-12 | 2007-07-12 | Micro analyzer for ZBX aviation turbine fuel freezing point on-line analyzing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200323643U CN201053957Y (en) | 2007-07-12 | 2007-07-12 | Micro analyzer for ZBX aviation turbine fuel freezing point on-line analyzing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053957Y true CN201053957Y (en) | 2008-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200323643U Expired - Fee Related CN201053957Y (en) | 2007-07-12 | 2007-07-12 | Micro analyzer for ZBX aviation turbine fuel freezing point on-line analyzing system |
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| CN (1) | CN201053957Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012021970A1 (en) * | 2010-08-17 | 2012-02-23 | Honeywell Asca Inc. | Fuel cloud point or freeze point sensor with collinear optical geometry |
-
2007
- 2007-07-12 CN CNU2007200323643U patent/CN201053957Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012021970A1 (en) * | 2010-08-17 | 2012-02-23 | Honeywell Asca Inc. | Fuel cloud point or freeze point sensor with collinear optical geometry |
| CN103154705A (en) * | 2010-08-17 | 2013-06-12 | 霍尼韦尔阿斯卡公司 | Fuel cloud point or freeze point sensor with collinear optical geometry |
| CN103154705B (en) * | 2010-08-17 | 2016-09-21 | 霍尼韦尔阿斯卡公司 | There is fuel cloud point or the freezing point sensor of collinear optical geometry |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20100712 |