CN104515861B - Gasoline and diesel oil integration on-line measurement system - Google Patents
Gasoline and diesel oil integration on-line measurement system Download PDFInfo
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- CN104515861B CN104515861B CN201310448647.6A CN201310448647A CN104515861B CN 104515861 B CN104515861 B CN 104515861B CN 201310448647 A CN201310448647 A CN 201310448647A CN 104515861 B CN104515861 B CN 104515861B
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Abstract
The present invention relates to a kind of gasoline and diesel oil integration on-line measurement system, Bao Kuo analysis room, gasoline concoction pipeline, gasoline recovery tank, diesel oil recycling can, diesel oil recovery pump, diesel oil sampling pump, diesel oil blending pipeline and gasoline recovery pump, be provided with gasoline pretreatment unit, diesel oil pretreatment unit, infrared analyzer and analysis of total sulfur instrument in analysis room.Gasoline concoction pipeline is connected with gasoline pretreatment unit, and gasoline pretreatment unit is connected respectively to infrared analyzer and analysis of total sulfur instrument, and infrared analyzer and analysis of total sulfur instrument are connected to gasoline concoction pipeline by gasoline recovery tank.Diesel oil blending pipeline is connected to diesel oil pretreatment unit, and diesel oil pretreatment unit is connected to infrared analyzer, and infrared analyzer is connected to diesel oil blending pipeline by diesel oil and gasoline recycling can.The present invention utilizes a set of measuring system to carry out quality testing to blended gasoline and concocted diesel oil, for on-line blending provides mass analysis data, reduces blending component intermediate tank, reduces equipment investment and concoct operation to make cost.
Description
Technical field
The invention belongs to petroleum products to produce and field of measuring technique, relate to a kind of oil product measuring system, be specifically related to a kind of gasoline and diesel oil integration on-line measurement system.
Background technology
Petroleum products blending is last procedure of modern refineries Oil Production, and the economic benefit of beending optimization on oil refining enterprise has important impact.On-line blending realizes gasoline and diesel oil continuous print is produced in proportion, online quality analysis, norm controlling and on-line blending, each component oil can be made to obtain the most reasonably using in blending, the Key Quality Indicator reducing oil product is superfluous, save the component oil of high-quality, reduce production cost, increase economic efficiency.
Realize on-line blending to need to equip complete and accurate on-line analysis measuring system, measure with the on-line analysis completing component oil and blending oil product.In the measuring system of current domestic gasoline and diesel oil Blending on Line System, configure independently on-line analysis system, the quality index of MEASUREMENT OF STEAM oil product or diesel product respectively, often overlaps on-line analysis system and is provided with on-line nir system and supporting sample pretreatment unit.Although the Oil Tank that the production site of gasoline concoction and diesel oil blending is all being concentrated, there is the condition of two cover analytic system set exploitations, also do not use a set of on-line analysis instrument system to measure the case of gasoline and diesel oil up to now simultaneously.
Summary of the invention
The object of this invention is to provide a kind of gasoline and diesel oil integration on-line measurement system, a set of measuring system is used to carry out quality testing to the gasoline of blending and diesel oil, for on-line blending provides mass analysis data, instruct on-line blending and production control operation, reduce equipment investment and production cost.
Gasoline of the present invention and diesel oil integration on-line measurement system, Bao Kuo analysis room, gasoline concoction pipeline, gasoline recovery tank and gasoline recovery pump, be provided with gasoline pretreatment unit, infrared analyzer and analysis of total sulfur instrument in analysis room.Gasoline concoction pipeline is connected with gasoline pretreatment unit, gasoline pretreatment unit is connected respectively to infrared analyzer and analysis of total sulfur instrument, infrared analyzer and analysis of total sulfur instrument are connected to gasoline recovery tank, and gasoline recovery tank is connected to gasoline concoction pipeline by gasoline recovery pump.On-line measurement system is provided with diesel oil recycling can, diesel oil recovery pump, diesel oil sampling pump and diesel oil blending pipeline, and analysis room is provided with diesel oil pretreatment unit.Diesel oil blending pipeline is connected to diesel oil pretreatment unit by diesel oil sampling pump, and diesel oil pretreatment unit is connected to infrared analyzer, and infrared analyzer is connected to diesel oil recycling can, and diesel oil recycling can is connected to diesel oil blending pipeline by diesel oil recovery pump.
Infrared analyzer is provided with gasoline measuring sonde and diesel oil measuring sonde, the gasoline quality index that gasoline measuring sonde is measured is octane value, olefin(e) centent, arene content, benzene content, density and boiling range, and the diesel quality index that diesel oil measuring sonde is measured is solidifying point, cold filter clogging temperature, flash-point, cetane rating, boiling range and density.Gasoline pretreatment unit and diesel oil pretreatment unit are respectively equipped with and filter coalescer and deaerator, dewater, bubble removing, removal impurity to gasoline and diesel samples, and have voltage stabilizing function.Diesel oil pretreatment unit is provided with radiator valve, makes diesel samples remain on constant temperature 40 ± 1 DEG C.Gasoline concoction pipeline and gasoline pretreatment unit connecting line are provided with the bypass to gasoline recovery tank, and bypass is provided with valve.Diesel oil sampling pump is provided with the bypass to diesel oil recycling can to the connecting line of diesel oil pretreatment unit, and bypass is provided with valve.The recovery liquid level of gasoline recovery pump and gasoline recovery tank is chain, and the recovery liquid level of diesel oil recovery pump and diesel oil recycling can is chain, automatic liquid level control.Gasoline concoction pipeline and diesel oil blending pipeline are respectively equipped with blending controller, static mixer and component oil pipeline, and each component oil pipeline is respectively equipped with flow control valve.The blending controller of gasoline concoction pipeline is connected with infrared analyzer and analysis of total sulfur instrument circuit, and the blending controller of diesel oil blending pipeline is connected with infrared analysis instrument circuit.Each component oil pipeline is provided with flowmeter.
Gasoline of the present invention and diesel oil integration on-line measurement system utilize the optical characteristics of vapour bavin, oil product, realize the on-line automatic quality testing of gasoline and diesel oil, instruct and control the automatic blending of petrol and diesel oil.The gasoline product oil quality index constant interval of on-line blending is larger, especially alkene, arene content and octane number, wherein octane number is changed to 92 ~ 97, and the blended gasoline trade mark comprises No. 93 ethanol base oils, No. 93 motor petrol, No. 97 ethanol petrols and No. 97 motor petrol.Integration on-line measurement system requires accurately to measure the online of diesel composition, feeds back to production upstream device in time, the operation of Instructing manufacture.The feature of diesel product quality index is that the product characteristic variations of winter and summer and autumn in spring is larger, spring and summer produces No. 0 ,+No. 5 diesel oil autumn, No.-5, winter production and following diesel oil, the index change of blending requires to adjust from production upstream device, and namely the index change of diesel composition has obvious difference in above-mentioned two periods in season.
Gasoline of the present invention and diesel oil integration on-line measurement system, utilize infrared spectrum analyser on-line measurement gasoline and diesel quality index, for on-line blending provides mass analysis data, power is once mixed into more than 95% to gasoline concoction and diesel oil blending index for monitoring, online mediation is instructed to control and production operation, reduce the component oil surplus capacity of high-quality, reduce production cost, improve the economic benefit of oil refining enterprise.On-line measurement system on-line analysis function, reduces finished product vapour, diesel quality index is superfluous, system.By the online Accurate Analysis to gasoline, diesel oil component oil, feed back to production upstream device in time, for production upstream device adjustment operation provides foundation, improve qualification rate.Use a set of measuring system to carry out quality testing to blended gasoline and concocted diesel oil, reduce blending component intermediate tank, reduce equipment investment and operation cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of gasoline of the present invention and diesel oil integration on-line measurement system;
Fig. 2 is the schematic diagram of gasoline blending pipe system;
Fig. 3 is prior art Gasoline On-line measuring system schematic diagram.
Wherein:
1------gasoline concoction pipeline, 2-gasoline recovery pump, 3-gasoline recovery tank, 4-infrared analyzer, 5-analysis room, 6-diesel oil recycling can, 7-diesel oil recovery pump, 8-component oil pipeline, 9-gasoline pretreatment unit, 10-analysis of total sulfur instrument, 11-diesel oil pretreatment unit, 12-diesel oil sampling pump, 13-diesel oil blending pipeline, 14-blending controller, 15-flowrate control valve, 16-static mixer, 17-valve.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Gasoline of the present invention and diesel oil integration on-line measurement system are as shown in Figure 1, Bao Kuo analysis room 5, gasoline concoction pipeline 1, gasoline recovery tank 3, gasoline recovery pump 2, diesel oil recycling can 6, diesel oil recovery pump 7, diesel oil sampling pump 12, diesel oil blending pipeline 13, be provided with gasoline pretreatment unit 9, diesel oil pretreatment unit 11, infrared analyzer 4 and analysis of total sulfur instrument 10 in analysis room.Infrared analyzer is provided with 5 gasoline measuring sondes and 2 diesel oil measuring sondes, and 5 gasoline measuring sondes are for measuring octane value, olefin(e) centent, arene content, benzene content, density and boiling range gasoline quality index.2 diesel oil measuring sondes are for measuring solidifying point, cold filter clogging temperature, flash-point, cetane rating, boiling range and density diesel quality index.Gasoline concoction pipeline is connected with gasoline pretreatment unit, gasoline pretreatment unit is connected respectively to infrared analyzer and analysis of total sulfur instrument, infrared analyzer and analysis of total sulfur instrument are connected to gasoline recovery tank, and gasoline recovery tank is connected to gasoline concoction pipeline by gasoline recovery pump.Gasoline concoction pipeline 1 and gasoline pretreatment unit 9 connecting line are provided with the bypass to gasoline recovery tank 3, and bypass is provided with valve 17.Diesel oil blending pipeline is connected to diesel oil pretreatment unit by diesel oil sampling pump, and diesel oil pretreatment unit is connected to infrared analyzer, and infrared analyzer is connected to diesel oil and gasoline recycling can, and diesel oil recycling can is connected to diesel oil blending pipeline by gasoline recovery pump.Diesel oil sampling pump 12 is provided with the bypass to diesel oil recycling can 6 to the connecting line of diesel oil pretreatment unit 11, and bypass is provided with valve 17.
Gasoline pretreatment unit and diesel oil pretreatment unit are respectively equipped with and filter coalescer and deaerator, dewater, bubble removing and removal impurity to gasoline and diesel samples, stablize oil sample pressure.Diesel oil pretreatment unit diesel oil is provided with radiator valve, makes blended diesel constant temperature 40 ± 1 DEG C.The recovery liquid level of gasoline recovery pump and gasoline recovery tank is chain, and the recovery liquid level of diesel oil recovery pump and diesel oil recycling can is chain, automatically controls the liquid level of gasoline recovery tank and diesel oil recycling can.As shown in Figure 2, gasoline concoction pipeline 1 is provided with blending controller 14, static mixer 15 and component oil pipeline 8, and each component oil pipeline is respectively equipped with flow control valve 16.Infrared analyzer 4 is connected with the blending controller circuitry of gasoline concoction pipeline with analysis of total sulfur instrument 10, for gasoline concoction provides quality measurement information.Equally, diesel oil blending pipeline 13 is provided with blending controller, static mixer and component oil pipeline, and each component oil pipeline is respectively equipped with flow control valve.Infrared analyzer 4 is connected with the blending controller circuitry of diesel oil blending pipeline, for diesel oil blending provides quality measurement information.
Gasoline of the present invention and diesel oil integration on-line measurement system be that the blended gasoline in-----gasoline concoction pipeline 1 enters gasoline pretreatment unit 9 by pipeline to the measuring process of gasoline and diesel oil.Blended gasoline is undertaken dewatering by filter coalescer and deaerator at gasoline pretreatment unit, bubble removing and removal impurity, and the pressure of systems stabilisation.Blended gasoline after the process of gasoline pretreatment unit enters infrared analyzer 4 and analysis of total sulfur instrument 10 detects, octane value after detection, olefin(e) centent, arene content, benzene content, density and boiling range gasoline quality index pass to the blending controller 14 of gasoline, realize the control to gasoline concoction by gasoline component oil flow control valve 15.Blended gasoline sample after detection enters gasoline recovery tank 3 by the road, after gasoline recovery tank to the liquid level of technique initialization, starts gasoline recovery pump 2, the gasoline of gasoline recovery tank is returned gasoline concoction pipeline 1 by chain function.Equally, bavin---the concocted diesel oil in-gasoline concoction pipeline 13 enters diesel oil pretreatment unit 11 by pipeline.Blended gasoline diesel oil is undertaken dewatering by filter coalescer and deaerator at diesel oil pretreatment unit, bubble removing and removal impurity, and the pressure of systems stabilisation, diesel oil constant temperature 40 ± 1 DEG C.Blended gasoline after the process of diesel oil pretreatment unit enters infrared analyzer 4 and detects, solidifying point after detection, cold filter clogging temperature, flash-point, cetane rating, boiling range and density diesel quality index pass to the blending controller of diesel oil, realize the control to diesel oil blending by diesel composition flow control valve.Concocted diesel oil sample after detection enters diesel oil recycling can 6 by the road, after from diesel oil recycling can to the liquid level of setting, starts diesel oil recovery pump 7, the gasoline of diesel oil recycling can is returned gasoline concoction pipeline 13 by chain function.
Claims (7)
1. a gasoline and diesel oil integration on-line measurement system, Bao Kuo analysis room (5), gasoline concoction pipeline (1), gasoline recovery tank (3) and gasoline recovery pump (2), be provided with gasoline pretreatment unit (9), infrared analyzer (4) and analysis of total sulfur instrument (10) in analysis room, described gasoline concoction pipeline is connected with gasoline pretreatment unit, gasoline pretreatment unit is connected respectively to infrared analyzer and analysis of total sulfur instrument, infrared analyzer and analysis of total sulfur instrument are connected to gasoline recovery tank, gasoline recovery tank is connected to gasoline concoction pipeline by gasoline recovery pump, it is characterized in that: described on-line measurement system is provided with diesel oil recycling can (6), diesel oil recovery pump (7), diesel oil sampling pump (12) and diesel oil blending pipeline (13), described analysis room is provided with diesel oil pretreatment unit (11), described diesel oil blending pipeline is connected to diesel oil pretreatment unit by diesel oil sampling pump, diesel oil pretreatment unit is connected to infrared analyzer, infrared analyzer is connected to diesel oil recycling can, diesel oil recycling can is connected to diesel oil blending pipeline by diesel oil recovery pump, described gasoline pretreatment unit and diesel oil pretreatment unit are respectively equipped with and filter coalescer and deaerator.
2. gasoline according to claim 1 and diesel oil integration on-line measurement system, it is characterized in that: described infrared analyzer is provided with gasoline measuring sonde and diesel oil measuring sonde, the gasoline quality index that described gasoline measuring sonde is measured is octane value, olefin(e) centent, arene content, benzene content, density and boiling range, and the diesel quality index that described diesel oil measuring sonde is measured is solidifying point, cold filter clogging temperature, flash-point, cetane rating and density.
3. gasoline according to claim 1 and diesel oil integration on-line measurement system, is characterized in that: described diesel oil pretreatment unit is provided with radiator valve.
4. gasoline according to claim 1 and diesel oil integration on-line measurement system, it is characterized in that: described gasoline concoction pipeline (1) and gasoline pretreatment unit (9) connecting line are provided with the bypass to gasoline recovery tank (3), and bypass is provided with valve (17); Described diesel oil sampling pump (12) is provided with the bypass to diesel oil recycling can (6) to the connecting line of diesel oil pretreatment unit (11), and bypass is provided with valve.
5. gasoline according to claim 1 and diesel oil integration on-line measurement system, it is characterized in that: described gasoline recovery pump (2) is chain with the recovery liquid level of gasoline recovery tank (3), described diesel oil recovery pump (7) is chain with the recovery liquid level of diesel oil recycling can (6), automatic liquid level control.
6. gasoline according to claim 1 and diesel oil integration on-line measurement system, it is characterized in that: described gasoline concoction pipeline (1) and diesel oil blending pipeline (13) are respectively equipped with blending controller (14), static mixer (15) and component oil pipeline (8), and each component oil pipeline is respectively equipped with flow control valve (16); The blending controller of described gasoline concoction pipeline is connected with infrared analyzer (4) and analysis of total sulfur instrument (10) circuit, and the blending controller of described diesel oil blending pipeline is connected with infrared analyzer (4) circuit.
7. gasoline according to claim 6 and diesel oil integration on-line measurement system, is characterized in that: described each component oil pipeline (8) is provided with flowmeter.
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| CN201310448647.6A CN104515861B (en) | 2013-09-28 | 2013-09-28 | Gasoline and diesel oil integration on-line measurement system |
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| CN201310448647.6A CN104515861B (en) | 2013-09-28 | 2013-09-28 | Gasoline and diesel oil integration on-line measurement system |
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| CN104515861B true CN104515861B (en) | 2016-04-20 |
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| CN106841046A (en) * | 2017-01-17 | 2017-06-13 | 西安景辉信息科技有限公司 | A kind of oil plant monitoring system and its implementation |
| CN108931496B (en) * | 2018-02-05 | 2021-06-04 | 北京航程迈进科技发展有限公司 | Method for modeling gasoline sample by adopting modeling system of gasoline sample |
| CN109682776A (en) * | 2018-11-30 | 2019-04-26 | 丽水学院 | Multimode near infrared online monitors system and its application method |
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| WO2007098213A2 (en) * | 2006-02-17 | 2007-08-30 | Voelker Sensors, Inc. | Oil monitoring system |
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