CN207457002U - Become the identification of caliber water-oil emulsion fluidised form and composition detection experimental system - Google Patents
Become the identification of caliber water-oil emulsion fluidised form and composition detection experimental system Download PDFInfo
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- CN207457002U CN207457002U CN201721423048.9U CN201721423048U CN207457002U CN 207457002 U CN207457002 U CN 207457002U CN 201721423048 U CN201721423048 U CN 201721423048U CN 207457002 U CN207457002 U CN 207457002U
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Abstract
Grease the utility model is related to oil and chemical process transports field, especially a kind of change caliber water-oil emulsion fluidised form identification and composition detection experimental system.Including oil water mixture circulation portions, hot fluid circulation portion and data collection and analysis portion, hot fluid circulation portion, data collection and analysis portion are connected respectively with oil water mixture circulation portions；The oil water mixture circulation portions include inducer, test section, oil water mixture container and circulating pump, inducer is made of the different abundant development pipeline I of diameter and fully development pipeline II, fully one end of development pipeline I and oil water mixture reservoir, fully the other end of development pipeline I is connected with fully development pipeline II, fully development pipeline II is connected with test section, test section is long straight tube, and circulating pump is equipped in the port of export of oil water mixture container.It realizes the detection to oil water mixture component, and can determine the liquid condition and rheological behavior of oil water mixture.
Description
Technical field
Grease the utility model is related to oil and chemical process transports field, especially a kind of change caliber water-oil emulsion
Fluidised form identifies and composition detection experimental system.
Background technology
The oil water mixing proportional of water-oil emulsion is different to cause fluid to have Newtonian fluid property and non-newtonian flow volume property,
There are two kinds of kenels of water-in-oil type (W/O) and oil-in-water type (O/W).Grease breast in the gathering line and submerged pipeline of offshore oil
The presence of shape liquid or the phase inversion of the stability change of emulsion and emulsion can all bring many problems, such as oil to production
If emulsion stability is destroyed or because the pressure drop of tube runs process is anxious caused by phase inversion occurs in bag aqueous emulsion
Play rise, may cause the generation of the accidents such as oil pipe stopping transportation and cohesion.Simultaneously as water-in-oil type (W/O) and oil-in-water type (O/
W) the emulsus fluid viscosity of two kinds of phases differs greatly, thus it transfers and transports performance and have very big difference.Therefore, real-time online
Oil water mixture component in signal piping is also urgent need to solve the problem in engineering to determine the grease liquid condition in pipeline.
For the separation process of ocean platform and ship oil-water separation device, oil water mixture before separation, separation neutralize separation
Afterwards, fluid mixture has different fluid properties, i.e. Newtonian fluid property or non-newtonian flow volume property.Therefore, grease is understood
The rheological behavior of mixture and in pipeline into being grouped into, to oily water separating equipment efficiently separate and water-oil emulsion
Transport system designs, and has certain project reference value.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems in the prior art, it is proposed that a kind of change caliber grease
Emulsion fluidised form identifies and composition detection experimental system, realizes the detection to oil water mixture component, and can determine oil
The liquid condition and rheological behavior of aqueous mixtures.
The technical solution of the utility model is：A kind of change caliber water-oil emulsion fluidised form identification and composition detection experiment system
System, wherein, including oil water mixture circulation portions, hot fluid circulation portion and data collection and analysis portion, hot fluid circulation portion, data are adopted
Set analysis portion is connected respectively with oil water mixture circulation portions；
The oil water mixture circulation portions include inducer, test section, oil water mixture container and circulating pump, inducer by
The different abundant development pipeline I of diameter and fully development pipeline II form, and the one end and oil water mixture for fully developing pipeline I hold
Device connects, and the other end for fully developing pipeline I is connected with fully development pipeline II, is fully developed pipeline II and is connected with test section,
Test section is long straight tube, and circulating pump is equipped in the port of export of oil water mixture container；
Pitot tube is mounted in the abundant development pipeline I and fully development pipeline II, in fully development pipeline I and is filled
The inlet of distribution exhibition pipeline II is mounted on pressure testing point, fully develops pipeline I and fully II both ends of development pipeline are pacified
Equipped with pressure obtaning device, differential pressure transmitter is connected between the pressure obtaning device at both ends；
The outside of the test section is equipped with hot fluid circulation portion, and hot fluid circulation portion includes constant water bath box, and test section is arranged on
In constant water bath box, test section is connected with data acquisition portion.The oil water mixture in test section is carried out by constant water bath box
Heating by changing external environment, obtains the hot physical property delta data of oil water mixture when temperature field changes.
The data acquisition portion includes a diameter of thermocouple, temperature data modular converter and computer, close to test section
Exit, along the several thermocouples of radially uniform setting of test section inner surface, the angle phase between the probe of neighboring thermocouple
Together, distance of the probe tip of thermocouple apart from tube hub successively increases, and thermocouple is electrically connected with temperature data modular converter, temperature
Degrees of data modular converter is with calculating mechatronics.
Preferably, it is respectively thermocouple I, thermocouple II along three thermocouples of radially uniform setting of test section inner surface
With thermocouple III, the angle between the probe of neighboring thermocouple is 120 °, and the probe tip of three thermocouples is apart from tube hub
Distance successively increase.Thermocouple probe position depending on pipe diameter size, using near wall, pipe upper lower half, caliber center as
Preferably.
The temperature data modular converter uses the temperature measurement module of model Yanhua ADAM 4118.Heat convection temperature fluctuation
Scope is no more than 100 DEG C.
The data collection and analysis portion further includes NI data acquisition equipments, and NI data acquisition equipments are used to gather inducer
The signals such as pressure, pressure difference, NI data acquisition equipments are connected with computer.
The beneficial effects of the utility model：
(1) by the way that grease fluid is made to respectively flow through the different abundant development pipeline of diameter and test pipeline, in reducing process
In determine the rheological behavior of grease fluid, so that it is determined that different heat convection governing equations, so as to the different rheological equationms of state
Fluid establishes suitable mathematical model；
(2) by hot fluid circulation system, fluid can be heated and gathers internal fluid temperature field, so as to according to engineering
Inverse Problem Method determines water-oil emulsion component.
Description of the drawings
Fig. 1 is the attachment structure schematic diagram of the utility model；
Fig. 2 is the structure diagram of inducer；
Fig. 3 is the distribution schematic diagram of thermocouple.
In figure：1 oil water mixture container；2 circulating pumps；3 inducers；301 fully develop pipeline I；302 fully develop pipeline
Ⅱ；4 constant water bath box；5 thermocouples；501 thermocouples I；502 thermocouples II；503 thermocouples III；6 temperature data converters；7 meters
Calculation machine；8 Pitot tubes；9 pressure testing points；10 differential pressure transmitters；11 test sections.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1, change caliber water-oil emulsion fluidised form identification described in the utility model and composition detection experimental system
Including oil water mixture circulation portions, hot fluid circulation portion and data collection and analysis portion, hot fluid circulation portion, data collection and analysis portion
It being connected respectively with oil water mixture circulation portions, hot fluid circulation portion is mainly used for heating the oil water mixture circulatory system,
Data collection and analysis portion is mainly used for collecting the parameter of oil water mixture circulation portions, such as temperature, pressure, pressure difference data.
Oil water mixture circulation portions include inducer, test section 11, oil water mixture container 1 and circulating pump 2, inducer
One end is connected with the port of export of oil water mixture container 1, and the other end of inducer is connected with test section 11, test section 11 it is another
End is connected with the entrance of oil water mixture container 1, is equipped with circulating pump 2 in the port of export of oil water mixture container 1, is passed through Xun Huan
Pump 2 realizes oil water mixture circulating in system.Rheological Index calculates, fluidised form identifies and emulsion fluid temperature field
Variation is all happened at this part.
Due to the working fluid be different oil-water ratios liquid mixture, entrance length determine according to actual conditions come
It determines, the setting of the length of inducer has to meet test fluid before test section is entered as fully developed laminar flow shape
State.In order to obtain the rheological coefficient of fluid by flow velocity and pressure-drop in pipeline, inducer is by the different abundant development pipeline I of diameter
301 form with fully development pipeline II 302, and fully development pipeline I 301 and fully development pipeline II 302 being made of copper pipe.It fills
The diameter and length of distribution exhibition pipeline I 301 and abundant development pipeline II 302 are mainly fully sent out depending on actual project situation
One end of exhibition pipeline I 301 is connected with oil water mixture container 1, fully develops the other end and fully development pipeline of pipeline I 301
II 302 connections fully develop pipeline II 302 and are connected with test section 11.Entrance length determine determined according to actual conditions,
But the setting of the fully length of development pipeline II 302 has to meet test fluid before bringing-up section is entered as fully developed
Laminar condition, shortest length are
L=0.05RePrd,
Wherein l represents entrance length, and Re represents fluid Reynolds number, and Pr represents tube fluid Prandtl number, and d represents that caliber is straight
Footpath.
Pitot tube 8 fully is mounted in development pipeline I 301 and abundant development pipeline II 302, is surveyed by Pitot tube 8
Measure refrigerant flow rate.Pressure testing point 9 is mounted in the inlet of fully development pipeline I 301 and fully development pipeline II 302,
For measuring the pressure in pipeline, meanwhile, the both ends for fully developing pipeline I 301 and fully development pipeline II 302 are mounted on taking
Pressure device, pressure obtaning device are connected by connecting pipe with differential pressure transmitter 10, and changing the measurement fluid of device 10 by differential pressure flows separately through
Fully development pipeline I 301 and the fully pressure drop of development pipeline II 302, as shown in Figure 2.It is measured according to two sections of fully development pipelines
Flow velocity, pressure drop data can determine the rheological coefficient of oil water mixture.
Test section 11 is long straight pipe, it is therefore an objective to final grease component is acquired according to the thermal physical property data of variation.Test
The outside of section 11 is equipped with hot fluid circulation portion.Hot fluid circulation portion includes constant water bath box 4, constant temperature water tank and circulating pump, test section 11
It is arranged in constant water bath box 4.The warm water in constant temperature water tank is sent constantly into constant water bath box 4 by circulating pump, passes through perseverance
Warm water bath cabinet 4 heats the oil water mixture in test section 11, by changing external environment, obtains oil when temperature field changes
The hot physical property delta data of aqueous mixtures.
Test section 11 is also to be made of copper pipe, and the Temporal Temperature Fields in test section after being heated by constant water bath box 4 lead to
It crosses data collection and analysis portion and carries out data acquisition, data acquisition portion includes the K-type thermocouple of a diameter of 1mm, temperature data conversion
Module 6 and computer 7.As shown in figure 3, in the exit of close test section 11, along radially uniform the setting of 11 inner surface of test section
Three thermocouples are put, respectively thermocouple I 501, thermocouple II 502 and thermocouple III 503, between the probe of neighboring thermocouple
Angle is 120 °.Distance of the probe tip of three thermocouples apart from tube hub successively increases, and purpose is more accurate in order to obtain
Radial temperature field, thermocouple location is advisable depending on pipe diameter size with upper lower half, caliber center near wall, pipe.At this
In embodiment, the distance of thermocouple I 501 and tube hub is 1.6mm, and the distance of thermocouple II 502 and tube hub is 2.4mm, heat
The distance of galvanic couple III 503 and tube hub is 3.2mm.The burial place of thermocouple is used apart from copper pipe exit 80mm when embedded
Laser scanner is corrected positional precision, and the temperature data that thermocouple collects is converted by temperature data modular converter 6
Afterwards, synchronized upload is to computer 7, according to indirect problem technology on-line prediction grease working medium component.Thermocouple carries out before the use
Calibration, measurement error is no more than ± 0.5 DEG C in the range of 0-90 DEG C.In this implementation, temperature data modular converter 6 uses model
For the temperature measurement module of Yanhua ADAM 4118.In test section 11, heat convection temperature fluctuation range is no more than 100 DEG C.
Data collection and analysis portion further includes NI data acquisition equipments, and NI data acquisition equipments are used to gather the pressure of inducer
The signals such as power, pressure difference, NI data acquisition equipments are connected with computer 7, and the signal collected is delivered to by NI data acquisition equipments
After computer 11, the data measured are converted by pressure value and pressure difference by LabVIEW softwares, and are controlled needed for gathered data
Time.
The operation principle of this experimental system is as described below：Oil water mixture is under the action of circulating pump 2, in oil water mixture
Circulation portions internal circulation flow, by the flow process of inducer, due to fully developing pipeline 301 and testing pipeline 302
Diameter is different, therefore flow velocity, pressure and pressure difference of the oil water mixture in two pipelines are all different, are becoming caliber process
In, the rheology characteristic of grease fluid is determined by above-mentioned parameter, so that it is determined that different heat convection governing equations.Grease afterwards
After mixture enters test section, oil solution is heated by constant water bath box 4, by data acquisition and analysis system to warp
The temperature information for crossing the oil solution of test section carries out data acquisition, is made up of indirect problem technology on-line prediction grease working medium,
I.e. using the above-mentioned temperature collected and its rule that changes with time, then by solving heat transfer differential equation come reverse pipe
The hot material properties of grease in road, and then determine grease component.
Claims (6)
1. a kind of change caliber water-oil emulsion fluidised form identification and composition detection experimental system, it is characterised in that：Including oil mixing with water
Object circulation portions, hot fluid circulation portion and data collection and analysis portion, hot fluid circulation portion, data collection and analysis portion are mixed respectively with grease
Close the connection of object circulation portions；
The oil water mixture circulation portions include inducer, test section (11), oil water mixture container (1) and circulating pump (2), into
Mouth section is by the different abundant development pipeline I (301) of diameter and fully development pipeline II (302) forms, abundant to develop pipeline I
(301) one end is connected with oil water mixture container (1), fully develops the other end and fully development pipeline II of pipeline I (301)
(302) connect, fully develop pipeline II (302) and be connected with test section (11), test section (11) is long straight tube, in oil water mixture
The port of export of container (1) is equipped with circulating pump (2)；
Pitot tube (8) is mounted in the abundant development pipeline I (301) and abundant development pipeline II (302), is fully being developed
The inlet of pipeline I (301) and fully development pipeline II (302) is mounted on pressure testing point (9), fully develops pipeline I
(301) and the both ends of fully development pipeline II (302) are mounted on pressure obtaning device, and differential pressure is connected between the pressure obtaning device at both ends
Transmitter (10)；
The outside of the test section (11) is equipped with hot fluid circulation portion, and hot fluid circulation portion includes constant water bath box (4), test section (11)
It is arranged in constant water bath box (4), test section (11) is connected with data acquisition portion.
2. change caliber water-oil emulsion fluidised form identification according to claim 1 and composition detection experimental system, feature exist
In：The data acquisition portion includes a diameter of thermocouple, temperature data modular converter (6) and computer (7), close to test section
(11) exit, along the several thermocouples of radially uniform setting of test section (11) inner surface, between the probe of neighboring thermocouple
Angle it is identical, the distance of the probe tip of thermocouple apart from tube hub successively increases, thermocouple and temperature data modular converter
(6) it is electrically connected, temperature data modular converter (6) is electrically connected with computer (7).
3. change caliber water-oil emulsion fluidised form identification according to claim 2 and composition detection experimental system, feature exist
In：It is respectively thermocouple I (501), thermocouple II along three thermocouples of radially uniform setting of test section (11) inner surface
(502) and thermocouple III (503), the angle between the probe of neighboring thermocouple is 120 °, the probe tip of three thermocouples
Distance apart from tube hub successively increases.
4. change caliber water-oil emulsion fluidised form identification according to claim 1 and composition detection experimental system, feature exist
In：It is described it is abundant development pipeline II (302) shortest length be
L=0.05RePrd
Wherein l represents fully development pipeline II (302) length, and Re represents fluid Reynolds number, and Pr represents tube fluid Prandtl number, d tables
Show caliber diameter.
5. change caliber water-oil emulsion fluidised form identification according to claim 2 and composition detection experimental system, feature exist
In：The temperature data modular converter (6) uses the temperature measurement module of model Yanhua ADAM 4118.
6. change caliber water-oil emulsion fluidised form identification according to claim 1 and composition detection experimental system, feature exist
In：The data collection and analysis portion further includes NI data acquisition equipments, and NI data acquisition equipments are connected with computer (7).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727533A (en) * | 2017-10-31 | 2018-02-23 | 中国海洋大学 | Become the identification of caliber water-oil emulsion fluidised form and composition detection experimental system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727533A (en) * | 2017-10-31 | 2018-02-23 | 中国海洋大学 | Become the identification of caliber water-oil emulsion fluidised form and composition detection experimental system |
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