CN207502445U - A kind of oil truck is unloaded water content metering device - Google Patents
A kind of oil truck is unloaded water content metering device Download PDFInfo
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- CN207502445U CN207502445U CN201721289340.6U CN201721289340U CN207502445U CN 207502445 U CN207502445 U CN 207502445U CN 201721289340 U CN201721289340 U CN 201721289340U CN 207502445 U CN207502445 U CN 207502445U
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Abstract
It unloads water content metering device the utility model discloses a kind of oil truck, described device includes measuring pipeline section, analyzer of water content, oil storage tank, oil discharge pipe, emptying interface, data processing unit, panel and host computer, the emptying interface of described one end for measuring pipeline section and oil discharge pipe connects, and the oil discharge pipe is inserted into oil storage tank;The analyzer of water content embeds flow sensor, and the measurement end of analyzer of water content is inserted in the measurement pipeline section, and analyzer of water content is connected with data processing unit, data processing unit electrical connection panel, panel electrical connection host computer.The device increases flow-compensated and temperature compensation function, solves the influence of flow velocity and temperature to measurement, and measurement result is more accurate.
Description
Technical field
The utility model is related to measurement of water ratio technical fields, and in particular to a kind of oil truck unload water content metering dress
It puts.
Background technology
In oilfield development process, certain moisture, former Water in oil are directly typically contained from oil field produced crude oil
Difficulty can be brought to the processing of crude oil, increase the energy consumption of equipment, therefore the water content for measuring crude oil is very necessary, it is most common at present
Transportation oil be exactly oil truck transport, and during oil truck transports crude oil measure crude oil weight and water content in crude oil
It is a kind of very feasible mode.
Metering moisture content is mainly measured by manually chemically examining with analyzer of water content during oil truck is unloaded at present, manual
It tests the main point of upper, middle and lower three that carries out by the way of 3 points of samplings to sample, sample hands over laboratory to be chemically examined after sampling.This
Operating method, 3 points of upper, middle and lower sample the moisture content that cannot represent vehicle, and representative poor, the chemical examination time is long, and worker's labour is strong
Degree is big, and efficiency is low;Analyzer of water content can measure moisture content in real time, the real-time variation for reflecting moisture content in oil truck, but by
There may be grease layerings in oil truck, there is a situation where pure water and pure oil, also there is a situation where oil-in-water, Water-In-Oil, institute
Big to measure difficulty, another factor unloads that vehicle speed is non-constant, and error caused by when calculating average moisture content is larger.And
In crude oil dynamic measuring, temperature not only directly affects the calculating of crude oil normal volume, is also played not in meter proof work
Negligible effect.Either crude oil normal volume or meter proof work finally can all influence pure oil mass clearing, and then
Influence the economic interests of crude transition both sides.Oil mass handing-over tool continuity, the big feature of handing-over amount, crude oil is generally in fluid or half
Fluid state, having can micro- compressibility.The same with other fluids, temperature change certainly will cause volume change, and therefore, temperature is to original
The metering of oily water content also plays very important effect, still, in practical applications, the typically no shadow for considering this respect
It rings, so as to cause the water content finally calculated less accurate.
Utility model content
For presently, there are the problem of, the utility model provides a kind of oil truck and unloads water content metering device, the device
Increase flow-compensated and temperature compensation function, solve the influence of flow velocity and temperature to measurement, measurement result is more accurate.
To achieve these goals, the utility model adopts the following technical solution:
A kind of oil truck is unloaded water content metering device, described device include measuring pipeline section, analyzer of water content, oil storage tank,
Oil discharge pipe, emptying interface, data processing unit, panel and host computer, the emptying of described one end and oil discharge pipe for measuring pipeline section
Interface connects, and the oil discharge pipe is inserted into oil storage tank;The analyzer of water content embeds flow sensor, the measurement of analyzer of water content
End is inserted in the measurement pipeline section, and analyzer of water content is connected with data processing unit, data processing unit electrical connection panel, panel
It is electrically connected host computer.More specifically, the analyzer of water content connects data processing unit, the face by signal-transmitting cable
Plate connects host computer by 232 communication cables.
Preferably, the measurement pipe section model DN100/150.
Analyzer of water content selected by the utility model is measured simultaneously using capacitance method and impedance method, the survey of analyzer of water content
Amount end can measure capacitive dielectric constant and impedance signal simultaneously, normal electricity consumption hold when measuring moisture content due to there are oil-in-water and
The state of Water-In-Oil so moisture content is two different curves from 0-100 and moisture content from 100-0, is at this moment needed by resistance
The signal of anti-measurement judges it is in which curve, is measured again by capacitance method after judging which good curve, impedance method measures
It is directly to measure his impedance value, the linearity is preferable, and the curve of curve and 100-0 from 0-100 can overlap substantially, but precision
Difference, so with impedance method judgment curves, capacitance method measures, and the two combines, the data measured are more accurate, reliably.
Wherein, the data processing unit includes signal acquisition, processing, control circuit, for being detected to analyzer of water content
Acquisition, processing and the controlling transmission of signal are to panel.
Moreover the panel is shown equipped with power supply indicator, temperature, pressure, instantaneous flow and integrated flow
Display screen observes temperature, pressure, instantaneous flow and integrated flow in measurement process convenient for user.
Further, described device further includes weighbridge, and the weighbridge is connect with analyzer of water content, for weighing oil truck
Weight.
Further, the host computer is also connected with weighbridge, and host computer is used for what is measured according to analyzer of water content
Crude oil water content and the crude oil weight of unloading obtain water content in crude oil.
It is highly preferred that flow sensor tool is there are two temperature sensor, one for measuring oil temperature, one with plus
Thermal element by measuring heat that heating element is pulled away to calculate the flow of fluid, and then flows average moisture content
Amount compensation, while carry out temperature-compensating to average moisture content.The method of calculating flux of the fluid:Using thermal diffusion principle, heat
Diffusion technique is the high technology of a kind of function admirable under severe conditions, reliability.Two temperature sensors are placed in medium
When, one of sensor is heated to temperature more than environment temperature, another temperature sensor is used for induction medium temperature
Degree.Velocity of medium increases, and the heat that medium is taken away increases, the temperature differences of two temperature sensors by with the change in flow of medium and
Variation, according to temperature difference and the proportionate relationship of velocity of medium, can obtain the flow Q of fluid.
Since oil truck is in the process of unloading, with the variation of oil product liquid level in oil truck, the velocity variations unloaded compared with
Greatly, speed during beginning, moisture content is higher, and unloading vehicle speed with the reduction of liquid level in oil truck constantly slows down, water content
Declining, discounting for flow rate effect, high-moisture percentage when starting to unload accounts for that weight is less, and later stage low-water-content accounts for power
Weight is larger, and the average moisture content integrally measured will be relatively low, and error is brought to metering, after adding in flow velocity compensation, velocity of discharge shadow
It rings, improves measurement accuracy, shared weight will not be substantially change, therefore the utility model is to moisture content when no matter speed speed measures
Carry out flow-compensated, the data measured are more accurate.
In addition, since crude oil is under temperature change, its mass change is also obvious, therefore flow sensor is equipped with
Temperature sensor, the temperature sensor can measure the situation of change of crude oil temperature, and temperature variation has one with oil density variation
Fixed rule, and according to the standard of GB/T1885-1998 (product section, crude oil part), the variation of temperature and oil density
Variation numerical value be one-to-one, as long as temperature is corresponded to the numerical value of oil density table, be input in computer, crude oil temperature
During variation, density changes therewith, and the temperature of every bit all corresponds to a density, the original that such water in oil analyzer calculates
Density at this moment oily proportional volume is multiplied by a temperature of can obtain the quality of crude oil.Therefore, the utility model to moisture content into
Trip temperature compensates, and the data measured are more accurate.
Specifically, the circular of temperature-compensating is:Then fixed moisture content is configured in set temperature a reference value first
Oil mixing with water medium, medium enters circulator, temperature be often raised and lowered once water-cut variation how much, such as temperature liter
High A DEG C of Δ, moisture content raising Δ a, then current moisture content to subtract Δ a, moisture content convert back under fiducial temperature, it is on the contrary also
So;
Flow velocity compensation method is:Benchmark flow velocity is set first, when flow velocity often increases or decreases a certain amount of, sees water-cut variation
How much, current moisture content is subtracted or plus water-cut variation value, the moisture content being transformed under benchmark flow velocity, eliminate flow velocity change
Change the influence to moisture content and just complete flow velocity compensation.
The working method of the present apparatus is as follows:
First by informations parameter such as flow velocity, temperature, the pressure of the contact jaw of analyzer of water content and oil product acquisition oil, pass through
Analyzer of water content analyzes above-mentioned parameter, calculates instantaneous moisture content, according to the influence of temperature, flow velocity to moisture content, adjusts
The relationship of temperature, flow velocity and moisture content calculated with host computer flows average moisture content by data processing unit
Speed and temperature-compensating, are then shown the real time temperature of oil product, pressure, instantaneous flow and integrated flow by the display screen on panel
Show.On the other hand, host computer is also connected with weighbridge, host computer be used for the crude oil water content measured according to analyzer of water content with
And the crude oil weight of unloading obtains water content in crude oil.
The utility model method has the following advantages that:
The utility model is measured carrying out double principles to analyzer of water content, solves the problems, such as oil-in-water and Water-In-Oil, due to
The measurement end of analyzer of water content can measure capacitive dielectric constant and impedance signal simultaneously, normal electricity consumption hold when measuring moisture content by
In there are the state of oil-in-water and Water-In-Oil, thus moisture content from 0-100 and moisture content from 100-0 be two different curves,
Impedance method measurement is directly to measure his impedance value, and the linearity is preferable, and the curve of curve and 100-0 from 0-100 can weigh substantially
It closes, but low precision, so with impedance method judgment curves, capacitance method measures moisture content, and the two combines, and the data measured are more
Accurately, reliably.
The analyzer of water content increases flow-compensated and temperature double compensation, solves the influence of flow velocity and temperature to measurement,
Instantaneous moisture content and average moisture content are provided in real time, and measurement result is more accurate.
The full intellectualized operation of the present apparatus measures in real time, reduces cost of labor and labor intensity, measurement data have more
It is representative.Realization is unloaded automatically, without artificial laboratory sampling, reduces labor intensity.
Description of the drawings
Fig. 1 be the utility model oil truck unload water content metering apparatus structure schematic diagram;
Fig. 2 is analyzer of water content measuring principle figure;
Fig. 3 is the utility model device specific working mode figure;
In figure:1- measures pipeline section, 2- analyzer of water content, 3- oil storage tanks, 4- oil discharge pipes, 5- emptyings interface, 6- data processings
Unit, 7- panels;8- host computers, 9- flow sensors, 10- weighbridges.
Specific embodiment
Specific embodiment of the utility model is described in more detail below.These embodiments are provided to be to be able to more thoroughly
The utility model is understood thoroughly, and the scope of the utility model can be completely communicated to those skilled in the art.
"comprising" or " comprising " as mentioned in working as in specification in the whole text and claim are an open language, therefore should
It is construed to " including but not limited to ".Specification subsequent descriptions are preferred embodiment of the present invention, so described to retouch
It is for the purpose of the rule of specification to state, and is not intended to limit the scope of the utility model.The protection model of the utility model
It encloses when subject to appended claims institute defender.
Embodiment 1
A kind of oil truck is unloaded water content metering device, as shown in Figure 1, the metering device includes measuring pipeline section 1, aqueous
Analyzer 2, oil storage tank 3, oil discharge pipe 4, emptying interface 5, data processing unit 6, panel 7 and host computer 8, the measurement pipeline section
1 one end is connect with the emptying interface 5 of oil discharge pipe 4, and the oil discharge pipe 4 is inserted into oil storage tank 3;The analyzer of water content 2 is embedded
Flow sensor 9, the measurement end of analyzer of water content 2 are inserted in the measurement pipeline section 1, and the analyzer of water content 2 is passed by signal
Transmission cable connects data processing unit 6, and data processing unit 6 is electrically connected panel 7, and the panel 7 is connected by 232 communication cables
Host computer 8.
Wherein, the measurement pipe section model DN100/150.
Analyzer of water content selected by the utility model is carried out at the same time measurement using capacitance method and impedance method, as shown in Fig. 2,
The measurement end of analyzer of water content can measure capacitive dielectric constant and impedance signal simultaneously, normal electricity consumption hold when measuring moisture content by
In there are the state of oil-in-water and Water-In-Oil, thus moisture content from 0-100 and moisture content from 100-0 be two different curves,
Impedance method measurement is the direct impedance value for measuring oil, and the linearity is preferable, and the curve of curve and 100-0 from 0-100 substantially can
It overlaps, but low precision, so the utility model judges it is in which curve by the signal of impedance method measurement first, judge
Moisture content is measured by capacitance method again after which good curve, such capacitance method and impedance method are combined, and the data measured are more
Accurately, reliably.
Wherein, the data processing unit includes signal acquisition, processing, control circuit, for being detected to analyzer of water content
Acquisition, processing and the controlling transmission of signal are to panel.
The panel is equipped with power supply indicator, temperature, pressure, instantaneous flow and integrated flow display screen, is easy to use
Person observes temperature, pressure, instantaneous flow and integrated flow in measurement process.
Embodiment 2
A kind of oil truck is unloaded water content metering device, as shown in Figure 1, described device includes measuring pipeline section 1, bearing analysis
Instrument 2, oil storage tank 3, oil discharge pipe 4, emptying interface 5, data processing unit 6, panel 7 and host computer 8, the measurement pipeline section 1
One end is connect with the emptying interface 5 of oil discharge pipe 4, and the oil discharge pipe 4 is inserted into oil storage tank 3;The analyzer of water content 2 embeds flow
Sensor 9, the measurement end of analyzer of water content 2 are inserted in the measurement pipeline section 1, and the analyzer of water content 2 passes through signal transmission electricity
Cable connects data processing unit 6, and data processing unit 6 is electrically connected panel 7, and the panel 7 connects computer by 232 communication cables
Host 8.
Described device further includes weighbridge 10, and the weighbridge 10 is connect with analyzer of water content 2, for weighing the weight of oil truck
Amount.
Wherein, the measurement pipe section model DN100.
Wherein, the data processing unit 6 includes signal acquisition, processing, control circuit, for being detected to analyzer of water content
Acquisition, processing and the controlling transmission of signal are to panel.
The panel 7 is equipped with power supply indicator, temperature, pressure, instantaneous flow and integrated flow display screen, is easy to use
Person observes temperature, pressure, instantaneous flow and integrated flow in measurement process.
Embodiment 3
Described device includes measuring pipeline section 1, analyzer of water content 2, oil storage tank 3, oil discharge pipe 4, emptying interface 5, data processing
Unit 6, panel 7 and host computer 8, described one end for measuring pipeline section 1 are connect with the emptying interface 5 of oil discharge pipe 4, the oil discharge pipe
4 are inserted into oil storage tank 3;The analyzer of water content 2 embeds flow sensor 9, and the measurement end of analyzer of water content 2 is inserted in the measurement
In pipeline section 1, the analyzer of water content 2 connects data processing unit 6 by signal-transmitting cable, and data processing unit 6 is electrically connected
Panel 7, the panel 7 connect host computer 8 by 232 communication cables.Described device further includes weighbridge 10, the weighbridge 10 with
Analyzer of water content 2 connects, for weighing the weight of oil truck.
Wherein, 1 model DN150 of the measurement pipeline section.
Wherein, the data processing unit 6 includes signal acquisition, processing, control circuit, for being detected to analyzer of water content
Acquisition, processing and the controlling transmission of signal are to panel.
The panel 7 is equipped with power supply indicator, temperature, pressure, instantaneous flow and integrated flow display screen, is easy to use
Person observes temperature, pressure, instantaneous flow and integrated flow in measurement process.
The host computer 8 is also connected with weighbridge 10, and host computer is used for the crude oil water containing measured according to analyzer of water content
Rate and the crude oil weight of unloading obtain water content in crude oil;It is additionally operable to based on crude water content and oil truck weight that weighbridge measures
Calculate the crude oil weight in oil truck.
As shown in Fig. 2, the flow sensor tool, there are two temperature sensor, one is used to measure oil temperature, and one carries
Heating element calculates the speed of fluid, and then average moisture content is carried out by measuring the heat that heating element is pulled away
It is flow-compensated, while carry out temperature-compensating to average moisture content.
The method of calculating flux of the flow sensor:Using thermal diffusion principle, thermal diffusion technology is one kind in harsh item
The high technology of function admirable, reliability under part.When two temperature sensors are placed in medium, one of sensor is heated
Temperature more than to environment temperature, another temperature sensor are used for induction medium temperature.Velocity of medium increases, and medium is taken away
Heat increase, the temperature difference of two temperature sensors will change with the change in flow of medium, according to temperature difference and medium flow field
The proportionate relationship of speed can obtain the flow Q of fluid.
Specifically, the circular of temperature-compensating is:Set temperature a reference value and flow rate bench value first, Ran Houpei
The oil mixing with water medium of fixed moisture content is put, medium enters circulator, and it is more that once water-cut variation is often raised and lowered in temperature
Less, such as temperature A DEG C of Δ of raising, moisture content increase Δ a, then current moisture content will subtract Δ a, convert back containing under fiducial temperature
Water rate, vice versa;
Flow velocity compensation method is:Benchmark flow velocity is set first, when flow velocity often increases or decreases a certain amount of, sees water-cut variation
How much, current moisture content is subtracted or plus water-cut variation value, the moisture content being transformed under benchmark flow velocity, eliminate flow velocity change
Change the influence to moisture content and just complete flow velocity compensation.
The working method of the present apparatus is as follows:
As shown in figure 3, pass through the letters such as flow velocity, temperature, the pressure of the contact jaw of analyzer of water content and oil product acquisition oil first
Parameter is ceased, above-mentioned parameter is analyzed by analyzer of water content, calculates instantaneous moisture content, according to temperature, flow velocity to aqueous
The influence of rate calls the relationship of temperature, flow velocity and moisture content stored in host computer, by data processing unit to averagely containing
Water rate carries out flow velocity and temperature-compensating, then by the display screen on panel by the real time temperature of oil product, pressure, instantaneous flow and
Integrated flow is shown.On the other hand, host computer is also connected with weighbridge, and host computer is used for the original measured according to analyzer of water content
Oily moisture content and the crude oil weight of unloading obtain water content in crude oil;It is additionally operable to based on crude water content and oil tank that weighbridge measures
Car weight amount calculates the crude oil weight in oil truck.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the spirit of the present invention, belonging to the utility model will
Seek the range of protection.
Claims (8)
- The water content metering device 1. a kind of oil truck is unloaded, which is characterized in that the metering device includes measuring pipeline section, moisture content Analyzer, oil storage tank, oil discharge pipe, emptying interface, data processing unit, panel and host computer, it is described measure pipeline section one end with The emptying interface connection of oil discharge pipe, the oil discharge pipe is inserted into oil storage tank;The analyzer of water content embeds flow sensor, aqueous The measurement end of analyzer is inserted in the measurement pipeline section, and analyzer of water content is connected with data processing unit, and data processing unit connects Junction plate, panel connection host computer.
- The water content metering device 2. oil truck according to claim 1 is unloaded, which is characterized in that the measurement pipe segment type number For DN100/150.
- The water content metering device 3. oil truck according to claim 1 is unloaded, which is characterized in that the data processing unit Including signal acquisition, signal processing and control circuit, for the acquisition, processing and controlling transmission to analyzer of water content detection signal To panel.
- The water content metering device 4. oil truck according to claim 1 is unloaded, which is characterized in that the panel is equipped with electricity Source indicator light and displays temperature, pressure, instantaneous flow and integrated flow display screen.
- The water content metering device 5. oil truck according to claim 1 is unloaded, which is characterized in that the metering device also wraps Weighbridge is included, the weighbridge is connect with analyzer of water content, for weighing the weight of oil truck.
- The water content metering device 6. oil truck according to claim 5 is unloaded, which is characterized in that the host computer also and Weighbridge connects, and the crude oil weight that host computer is used for the crude oil water content and unloading measured according to analyzer of water content obtains crude oil Water content.
- The water content metering device 7. oil truck according to claim 1 is unloaded, which is characterized in that the analyzer of water content leads to Signal-transmitting cable connection data processing unit is crossed, the panel connects host computer by 232 communication cables.
- The water content metering device 8. oil truck according to claim 1 is unloaded, which is characterized in that the flow sensor is set There are two temperature sensor, for one of temperature sensor for measuring oil temperature, another temperature sensor carries heating element.
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CN107589152A (en) * | 2017-09-30 | 2018-01-16 | 陈勇 | A kind of oil truck is unloaded water content metering device |
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CN107589152A (en) * | 2017-09-30 | 2018-01-16 | 陈勇 | A kind of oil truck is unloaded water content metering device |
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Effective date of registration: 20200821 Address after: No.8 Fuyang Road, Jingjiang City, Taizhou City, Jiangsu Province Patentee after: Jiangsu Yong Sheng Automation Technology Co.,Ltd. Address before: 214500 3, room 1302, Zhongtian city landscape, Jingjiang City, Taizhou, Jiangsu Patentee before: Chen Yong |
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