CN106933268A - Laboratory steam quality supervising device, monitoring method and steam drive experimental provision - Google Patents
Laboratory steam quality supervising device, monitoring method and steam drive experimental provision Download PDFInfo
- Publication number
- CN106933268A CN106933268A CN201710111849.XA CN201710111849A CN106933268A CN 106933268 A CN106933268 A CN 106933268A CN 201710111849 A CN201710111849 A CN 201710111849A CN 106933268 A CN106933268 A CN 106933268A
- Authority
- CN
- China
- Prior art keywords
- steam
- pipeline
- steam quality
- laboratory
- quality
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010795 Steam Flooding Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 238000011084 recovery Methods 0.000 claims abstract description 27
- 239000012153 distilled water Substances 0.000 claims abstract description 21
- 238000005259 measurement Methods 0.000 claims description 18
- 230000037452 priming Effects 0.000 claims description 15
- 229920006395 saturated elastomer Polymers 0.000 claims description 11
- 239000008234 soft water Substances 0.000 claims description 9
- 238000010025 steaming Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 abstract description 3
- 239000013307 optical fiber Substances 0.000 description 7
- 238000002310 reflectometry Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
- G05D22/02—Control of humidity characterised by the use of electric means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- General Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The present invention is a kind of laboratory steam quality supervising device, monitoring method and steam drive experimental provision, steam quality is detected by the first detection means, steam quality value with setting is compared, and steam is distributed into heating pipeline respectively according to comparative result or the pipeline that adds water is adjusted to the mass dryness fraction value of steam.The steam after adjustment is detected by second detection device again, steam is distributed to by Steam Recovery pipeline or steam output circuit according to testing result respectively.The present invention can be monitored and controlled the mass dryness fraction value of injection steam, steam quality is reached the exact value of setting.Detection data can be analyzed and processed in real time, realize Automated condtrol, reduce person works' amount, more fast.The steam quality of required numerical value can be obtained by heating or mixing distilled water, realize artificial control steam quality numerical value.
Description
Technical field
The present invention is that the steam quality used on a kind of laboratory is measured and control device, method, more particularly to a kind of
Laboratory steam quality supervising device, monitoring method and steam drive experimental provision.
Background technology
Carry out the research of steam drive in the lab at present, mainly use and the side for carrying out physical simulation experiment is driven to steam
Method.By similar proportion, geological model is changed into laboratory model, then model is installed, steam is produced by steam generator
After be directly injected into model and tested.The mass dryness fraction of wherein steam is a key factor for influence experimental result.Because steam is done
Degree is higher, and the heat of institute's band is higher, and the effect to viscosity reduction is more preferable.In an experiment, can typically set that what a suitable steam is done
Degree, notes and is tested into model, the effect that research steam drives.But, after what a suitable steam quality is set, by steam
What generator was produced notes cannot accurately be measured into the steam quality in model, can only probably be estimated exist larger
Error, thus can to test effect cause to compare large effect.
Thus, the present inventor relies on the experience and practice for being engaged in relevant industries for many years, proposes a kind of laboratory steam quality
Supervising device, monitoring method and steam drive experimental provision, to overcome the defect of prior art.
The content of the invention
Experiment dress is driven it is an object of the invention to provide a kind of laboratory steam quality supervising device, monitoring method and steam
Put, the mass dryness fraction value of injection steam can be monitored and controlled, steam quality is reached the exact value of setting.
The object of the present invention is achieved like this, a kind of laboratory steam quality supervising device, and the laboratory steam is done
Degree supervising device includes：
First detection means, it connects steam generator by pipeline, for detecting that the steam generator exports steaming
The steam quality of vapour；
First three-way solenoid valve, its first port connects first detection means, the connection of its second port by pipeline
Add water pipeline, its 3rd port connection heating pipeline；First three-way solenoid valve is used to for steam to be assigned to the filler pipe
Road or the heating pipeline；
Priming apparatus, it passes through pipeline and is crossed with the pipeline that adds water, for being mixed into distilled water in steam；
Heater, it is arranged on the heating pipeline, for heating steam；
Second detection device, it passes through pipeline and adds water pipeline and the heating pipeline crosses with described, for detecting through institute
State the steam quality of the steam after priming apparatus or heater treatment；And
Second three-way solenoid valve, its first port connects the second detection device by pipeline, the connection of its second port
Steam Recovery pipeline, its 3rd port connection steam output circuit.
In a better embodiment of the invention, first three-way solenoid valve is detected according to first detection means
Steam quality value distribute steam；The steam quality value of detection is less than the steam quality value for setting, first electromagnetic three-way
Steam is assigned to the heating pipeline by valve；The steam quality value of detection is more than the steam quality value for setting, first electromagnetism
Steam is assigned to the pipeline that adds water by triple valve.
In a better embodiment of the invention, second three-way solenoid valve is detected according to the second detection device
Steam quality value distribute steam；The steam quality value of detection is different from the steam quality value of setting, second electromagnetism three
Steam is assigned to the Steam Recovery pipeline by port valve；The steam quality value of detection is identical with the steam quality value of setting, described
Steam is assigned to the steam output circuit by the second three-way solenoid valve.
In a better embodiment of the invention, first detection means is optical fiber type steam calorimeter；Institute
Stating the first detection means has the Measurement channel passed through for steam.
In a better embodiment of the invention, the steam quality signal that first detection means is measured sends to
Control device；The control device connects first three-way solenoid valve, controls first three-way solenoid valve to carry out steam point
Match somebody with somebody.
In a better embodiment of the invention, the second detection device is optical fiber type steam calorimeter；Institute
Stating second detection device has the Measurement channel passed through for steam.
In a better embodiment of the invention, the steam quality signal that the second detection device is measured sends to
Control device；The control device connects second three-way solenoid valve, controls second three-way solenoid valve to carry out steam point
Match somebody with somebody.
In a better embodiment of the invention, the priming apparatus includes flow control valve and switch valve；The stream
Control valve connects water source by pipeline, and described switch valve one end connects the flow control valve by pipeline, and the other end passes through
Pipeline crosses with the pipeline that adds water；The flow control valve and the switch valve are all connected with control device；The control device
Control the break-make of the switch valve and the flow of the flow control valve.
In a better embodiment of the invention, the heater has the heating passage passed through for steam, described
Heater is provided with heating passage, the heater is connected with control device；The control device controls adding for the heater
Thermal power.
The purpose of the present invention is it is also possible that realize, a kind of laboratory steam drives experimental provision, the laboratory steam drives
Experimental provision includes steam generator, steam-flooding model and described laboratory steam quality supervising device；The steam hair
Raw device includes steam outlet, soft water delivery outlet and Steam Recovery mouthful；The steam outlet connects first and examines by pipeline
Survey device；The soft water delivery outlet connects priming apparatus by pipeline；The Steam Recovery mouthful connection Steam Recovery pipeline；It is described
Steam-flooding model has steam inlet, and the steam inlet connects steam output circuit.
The purpose of the present invention can also be achieved in that, a kind of laboratory steam quality monitoring method, the laboratory steam
Mass dryness fraction monitoring method is comprised the following steps using described laboratory steam quality supervising device：
S1, detection steam generator export the steam quality of steam；
S2, steam is distributed according to the steam quality value detected in step S1；If the steam quality value for detecting is small
In the steam quality value of setting, then steam is assigned to heating pipeline, steam is heated；If the steam quality for detecting
Steam is then assigned to the pipeline that adds water by value more than the steam quality value of setting, to being mixed into distilled water in steam；
The steam quality of S3, the steam for detecting after being heated in step S2 or being mixed into after distilled water；
S4, steam is distributed according to the steam quality value detected in step S3；If the steam quality value for detecting with
The steam quality value of setting is different, then steam is assigned into Steam Recovery pipeline, and the steam after recovery is processed again；If inspection
The steam quality value for measuring is identical with the steam quality value of setting, then steam is assigned into steam output circuit, and output steam is done
The qualified steam of degree.
In a better embodiment of the invention, in step s 2, adding for heater, is calculated according to equation below
Thermal power：
P=W2[χ2·hg+(1-χ2)hw]-W1[χ1·hg+(1-χ1)hw]
Wherein, P is the heating power kJ of heater；W2It is the steam flow kg/s after heating；χ2For steam passes through heating tube
The steam quality value that Lu Houying has；Hg is the enthalpy kJ/kg of dry saturated vapor；Hw is the enthalpy kJ/kg of distilled water；W1For
The output flow kg/s of steam generator；χ1It is the steam quality value of the first detection means measurement.
In a better embodiment of the invention, in step s 2, flow control valve is calculated according to equation below
Flow：
Wherein, W2It is the flow kg/s of flow control valve；W1It is the output flow kg/s of steam generator；χ2For steam is logical
Cross the steam quality value that should have after the pipeline that adds water；Hg is the enthalpy kJ/kg of dry saturated vapor；Hw is the enthalpy of distilled water
kJ/kg；χ1It is the steam quality value of the first detection means measurement.
From the above mentioned, steam quality supervising device in laboratory of the invention, monitoring method and steam drive experimental provision, pass through
First detection means detects steam quality, and the steam quality value with setting is compared, according to comparative result respectively by steam point
Dispensing heats pipeline or the pipeline that adds water is adjusted to the mass dryness fraction value of steam.Again by second detection device to the steam after adjustment
Detected, steam is distributed to by Steam Recovery pipeline or steam output circuit according to testing result respectively.The present invention can be supervised
The mass dryness fraction value of injection steam is surveyed and controlled, steam quality is reached the exact value of setting.Can in real time to detection data analysis at
Reason, realizes Automated condtrol, reduces person works' amount, more fast.Can be by heating or mixing distilled water come needed for obtaining
The steam quality of numerical value is wanted, artificial control steam quality numerical value is realized.
Brief description of the drawings
The following drawings is only intended to, in schematic illustration and explanation is done to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1：It is the structural representation of steam quality supervising device in laboratory of the present invention.
Fig. 2：The structural representation of experimental provision is driven for steam of the present invention.
Fig. 3：The interface diagram of steam generator in experimental provision is driven for steam of the present invention.
Fig. 4：The interface diagram of steam-flooding model in experimental provision is driven for steam of the present invention.
Fig. 5：The flow chart of steam quality monitoring method in experimental provision is driven for steam of the present invention.
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, now control illustrates this hair
Bright specific embodiment.
Embodiment one
As shown in figure 1, the invention provides a kind of laboratory steam quality supervising device 100, it is defeated for being monitored and controlled
Go out the steam quality of steam, the steam quality of output is accurately met setting value.The laboratory steam quality supervising device
100 include the first detection means 1, the first three-way solenoid valve 2, priming apparatus 3, heater 4, second detection device 5 and the
Two three-way solenoid valves 6.First detection means 1 connects steam generator by pipeline, defeated for detecting the steam generator institute
Go out the steam quality of steam.Preferably, the first detection means 1 uses optical fiber type steam calorimeter；First inspection
Surveying device 1 has the Measurement channel passed through for steam.Optical fiber type steam calorimeter is the measurement of existing measurement steam quality
One kind in device, its accuracy of detection and the degree of accuracy are high, small volume, reliability and durability, are easy to test indoors and use.Optical fiber type steams
There are Fibre Optical Sensor, temperature sensor and pressure sensor in vapour calorimeter.Fibre Optical Sensor, temperature sensor and pressure
Force snesor is extend into Measurement channel, the two ends difference connecting line of Measurement channel.Fibre Optical Sensor measures water vapour
Intensity of reflected light IR, the reflectivity that will be measured is transferred in single-chip computer control system.Water can be obtained by following computing formula
The reflectivity η of steam：Wherein I0It is incident intensity.Measured respectively with pressure sensor by temperature sensor simultaneously
The temperature and pressure data of steam, are transferred in single-chip computer control system, and dry saturated steam is obtained with water by computing formula
Reflectivity, then the final steam quality that optical fiber type test module device is measured is calculated, specific formula is as follows：
The volume for setting the dry saturated steam in water vapour to be measured is χv, the computing formula of the reflectivity η of water vapour is：
η=χvηv+(1-χv)ηw；
Wherein ηvIt is the reflectivity of dry saturated steam, ηwIt is the reflectivity of water, so as to the volume χ of dry saturated steam can be obtainedv
For：
By the pressure data and temperature data that measure, the density of gas phase ρ in steam can be calculatedvWith density of liquid phase ρw,
The mass ratio of dry saturated steam can be calculated by below equation again, i.e. steam quality is：
First three-way solenoid valve 2 has three ports, and its first port connects first detection means 1 by pipeline,
Its second port connects the pipeline 101 that adds water, its 3rd port connection heating pipeline 102.First three-way solenoid valve 2 is used for will
Steam is assigned to pipeline 101 or the heating pipeline 102 of adding water.The steam quality that first detection means 1 is measured
Signal sends control device to；Control device can use single-chip microcomputer, it would however also be possible to employ the equipment such as computer.The control device
First three-way solenoid valve 2 is connected, the action of first three-way solenoid valve 2 is controlled, steam distribution is carried out.First electricity
Magnetic triple valve 2 distributes steam according to the steam quality value that first detection means 1 is detected.If the steam quality value of detection
Less than the steam quality value of setting, then control device controls first three-way solenoid valve 2 that steam is assigned into the heating tube
Road 102.If the steam quality value of detection controls first electromagnetic three-way more than the steam quality value of setting, control device
Steam is assigned to the pipeline 101 that adds water by valve 2.That is heating pipeline 102 is connected in parallel with each other with the pipeline 101 that adds water.
Priming apparatus 3 is crossed by pipeline with the pipeline 101 that adds water, for distilled water is mixed into steam, to drop
Low steam quality.The priming apparatus 3 includes flow control valve 31 and switch valve 32.The flow control valve 31 is connected by pipeline
Water receiving source；In the present embodiment, steam generator can provide soft water as water source, and the soft water delivery outlet of steam generator is passed through
Pipeline connection flow control valve 31.The one end of the switch valve 32 is connected in series by pipeline with the flow control valve 31, another
End is crossed with the pipeline 101 that adds water by pipeline and is connected.The flow control valve 31 and the switch valve 32 are all connected with control
Device.The control device controls the break-make of the switch valve 32 and the flow of the flow control valve 31.If the first electricity
Steam is assigned to the pipeline 101 that adds water by magnetic triple valve 2, then control device controlling switch valve 32 is opened, while as needed
The flow of flow control valve 31 is controlled to the amount of distilled water of steam offer, to make the steam quality value after adding water reach setting
Requirement.
Heater 4 is arranged on the heating pipeline 102, for heating steam, to improve steam quality.The heating
Device 4 has the heating passage passed through for steam, and heater is provided with the heating passage, and the heater connects with control device
Connect.The control device controls the heating power of the heater.Heater preferably uses heating wire, it would however also be possible to employ microwave field
Heated.If steam is assigned to the heating pipeline 102, control device control heating wire by the first three-way solenoid valve 2
Heated, while the heating power of heating wire is controlled to the heat of steam offer as needed, to make the steaming after heating
Vapour mass dryness fraction value reaches the requirement of setting.
Second detection device 5 adds water pipeline 101 and the heating pipeline 102 crosses and is connected by pipeline with described, is used for
The steam quality of the steam after detection adds water through the priming apparatus 3 or after the heating of the heater 4.One three can be used
Pass joint 7, two ports of three-way connection 7 connect respectively add water pipeline 101 and heating pipeline 102, three-way connection 7 another
Port connects second detection device 5 by pipeline.Preferably, second detection device 5 equally uses optical fiber type steam quality
Measuring appliance；The second detection device 5 has the Measurement channel passed through for steam.The structure of second detection device 5 and work are former
Reason is identical with the first detection means 1, repeats no more.
Second three-way solenoid valve 6 has three ports, and its first port connects the second detection device 5 by pipeline,
Its second port connection Steam Recovery pipeline 103, its 3rd port connection steam output circuit 104.Second electromagnetic three-way
Valve 6 is used to for steam to be assigned to the Steam Recovery pipeline 103 or the steam output circuit 104；Steam Recovery pipeline 103 connects
Steam generator is connect, by the underproof steam feeding steam generator of mass dryness fraction, then output is processed again.Steam output circuit
104 connection steam-flooding models, the qualified steam of mass dryness fraction are injected into steam-flooding model and are tested.The second detection device
The 5 steam quality signals for measuring send control device to；Control device can use single-chip microcomputer, it would however also be possible to employ computer etc.
Equipment.The control device connects second three-way solenoid valve 6, controls the action of second three-way solenoid valve 6, is steamed
Vapour is distributed.Second three-way solenoid valve 6 distributes steam according to the steam quality value that the second detection device 5 is detected.Such as
The steam quality value of fruit detection is differed with the steam quality value of setting, then control device controls second three-way solenoid valve 6
Steam is assigned to the Steam Recovery pipeline 103.If the steam quality value of detection is identical with the steam quality value of setting,
Control device controls second three-way solenoid valve 6 that steam is assigned into the steam output circuit 104.
Embodiment two
As shown in Figure 2, Figure 3 and Figure 4, present embodiments provide a kind of laboratory steam and drive experimental provision, in experiment
The simulated experiment of steam drive is carried out in room, it uses the laboratory steam quality supervising device 100 described in embodiment one,
The laboratory steam drives experimental provision also includes steam generator 200 and steam-flooding model 300.The steam generator 200
Prior art, including steam outlet 201, soft water delivery outlet 202 and Steam Recovery mouth 203 can be used.The steam is defeated
Outlet 201 connects the first detection means 1 by pipeline.The soft water delivery outlet 202 connects priming apparatus 3 by pipeline.It is described
Steam Recovery mouthful 203 connects Steam Recovery pipeline 103.The steam-flooding model 300 can use existing experimental model, its tool
There is steam inlet 301, the steam inlet 301 connects steam output circuit 104.
The course of work that laboratory steam drives experimental provision is：The steam of the output of steam generator 200 is by the first inspection
Survey device 1 to detect, if steam quality value is distributed steam by the first three-way solenoid valve 2 less than the steam quality value of setting
To heating pipeline 102, heated by heater 4, improved the mass dryness fraction value of steam.If steam quality value is more than setting
Steam quality value, steam is assigned to the pipeline 101 that adds water by the first three-way solenoid valve 2, and steam generator 200 is to priming apparatus
3 output soft water, priming apparatus 3 reduces the mass dryness fraction value of steam to distilled water is mixed into steam.By the steam after heating or after adding water
Detected by second detection device 5, if steam quality value is differed with the steam quality value of setting, by the second electromagnetic three-way
Steam is assigned to Steam Recovery pipeline 103 by valve 6, steam is recycled into steam generator 200；If steam quality value
Steam quality value with setting is identical, steam is assigned into steam output circuit 104 by the second three-way solenoid valve 6, by mass dryness fraction
Qualified steam is exported is tested to steam-flooding model 300.
Embodiment three
As shown in figure 5, present embodiments providing a kind of laboratory steam quality monitoring method, the steam parameter in Fig. 5 is surveyed
Trial assembly is put and represents the first detection means and second detection device respectively；Infusion mould is that expression injects steam into steam drive mould
Type.The laboratory steam quality monitoring method using the laboratory steam quality supervising device 100 described in embodiment one, including
Following steps：
S1, detection steam generator 200 export the steam quality of steam.
S2, steam is distributed according to the steam quality value detected in step S1；If the steam quality value for detecting is small
In the steam quality value of setting, then steam is assigned to heating pipeline 102, steam is heated；If the steam for detecting
Steam is then assigned to the pipeline 101 that adds water more than the steam quality value of setting for mass dryness fraction value, to being mixed into distilled water in steam.
The steam quality of S3, the steam for detecting after being heated in step S2 or being mixed into after distilled water.
S4, steam is distributed according to the steam quality value detected in step S3；If the steam quality value for detecting with
The steam quality value of setting is different, then steam is assigned into Steam Recovery pipeline 103, and the steam after recovery is processed again；Such as
The steam quality value that fruit detects is identical with the steam quality value of setting, then steam is assigned into steam output circuit 104, exports
The qualified steam of steam quality.
Further, in step s 2, heater 4 uses resistance wire and steam is electrically heated, resistance wire with control
Device connection processed, control device controls the heating power of resistance wire.In order to accurately control the heating power of heater, after making heating
Steam quality value be consistent with setting value, control device after the detection signal for receiving the first detection means 1, according to following public affairs
Formula is calculated to be needed to the amount of heat of water vapour compensation, and then controls the power output size of heater.It is specific to calculate public
Formula is as follows：
P=W2[χ2·hg+(1-χ2)hw]-W1[χ1·hg+(1-χ1)hw]
Wherein, P is the heating power kJ of heater；W2It is the steam flow kg/s after heating；χ2For steam passes through heating tube
The steam quality value that should have behind road 102；Hg is the enthalpy kJ/kg of dry saturated vapor；Hw is the enthalpy kJ/kg of distilled water；
W1It is the output flow kg/s of steam generator 200；χ1It is the steam quality value of the measurement of the first detection means 1.
Further, in step s 2, in order to accurately control the amount of water of priming apparatus 3, the steam quality value after making to add water
It is consistent with setting value, control device is calculated need after the detection signal for receiving the first detection means 1 according to equation below
The uninterrupted of the distilled water being mixed into steam, and then control the uninterrupted of flow control valve 31.Specific formula for calculation
It is as follows：
Wherein, W2It is the flow kg/s of flow control valve 31；W1It is the output flow kg/s of steam generator 200；χ2To steam
Vapour is by the steam quality value that should have after the pipeline 101 that adds water；Hg is the enthalpy kJ/kg of dry saturated vapor；Hw is distilled water
Enthalpy kJ/kg；χ1It is the steam quality value of the measurement of the first detection means 1.
By three above embodiment can be seen that steam quality supervising device 100, monitoring method in laboratory of the invention and
Steam drives experimental provision, and the steam quality that steam generator 200 is exported, the steam with setting are detected by the first detection means 1
Mass dryness fraction value is compared, and steam is distributed into heating pipeline 102 respectively according to comparative result or the pipeline 101 that adds water is done to steam
Angle value is adjusted.Detected by the steam after 5 pairs of adjustment of second detection device again, according to testing result respectively by steam
Distribute to Steam Recovery pipeline 103 to be recycled into steam generator 200, or distribute to steam output circuit 104, be transported to
Steam-flooding model 300 is tested.The present invention can be monitored and controlled the mass dryness fraction value of injection steam, steam quality is reached setting
Exact value.Detection data can be analyzed and processed in real time, realize Automated condtrol, reduce person works' amount, more fast.Energy
It is enough to obtain the steam quality of required numerical value by heating or mixing distilled water, realize artificial control steam quality numerical value.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.Specifically
All combinations of illustrated feature are not necessarily the solution that the present invention is limited in implementation method, it is possible to understand that these are added
Structural feature and operations improvement can be used alone or be combined with each other.It will therefore be appreciated that the invention is not restricted to
The combination of any specific feature or element, and any desired combinations of features described here can be carried out without departing from
Protection scope of the present invention, any those skilled in the art is made on the premise of design of the invention and principle is not departed from
The equivalent variations for going out and modification, all should belong to the scope of protection of the invention.
Claims (13)
1. a kind of laboratory steam quality supervising device, it is characterised in that the laboratory steam quality supervising device includes：
First detection means, it connects steam generator by pipeline, for detecting that the steam generator exports steam
Steam quality；
First three-way solenoid valve, its first port connects first detection means by pipeline, and the connection of its second port adds water
Pipeline, its 3rd port connection heating pipeline；First three-way solenoid valve be used for by steam be assigned to it is described add water pipeline or
The heating pipeline；
Priming apparatus, it passes through pipeline and is crossed with the pipeline that adds water, for being mixed into distilled water in steam；
Heater, it is arranged on the heating pipeline, for heating steam；
Second detection device, it passes through pipeline and adds water pipeline and the heating pipeline crosses with described, for detecting through described plus
The steam quality of the steam after water installations or heater treatment；And
Second three-way solenoid valve, its first port connects the second detection device by pipeline, its second port connection steam
Recovery pipe, its 3rd port connection steam output circuit.
2. steam quality supervising device in laboratory as claimed in claim 1, it is characterised in that the first three-way solenoid valve root
Steam is distributed according to the steam quality value of first detection means detection；The steam quality value of detection is done less than the steam of setting
Steam is assigned to the heating pipeline by angle value, first three-way solenoid valve；Steaming of the steam quality value of detection more than setting
Steam is assigned to the pipeline that adds water by vapour mass dryness fraction value, first three-way solenoid valve.
3. steam quality supervising device in laboratory as claimed in claim 1, it is characterised in that the second three-way solenoid valve root
Steam is distributed according to the steam quality value of second detection device detection；The steam quality value of detection and the steam quality for setting
Value is different, and steam is assigned to the Steam Recovery pipeline by second three-way solenoid valve；The steam quality value of detection and setting
Steam quality value it is identical, steam is assigned to the steam output circuit by second three-way solenoid valve.
4. steam quality supervising device in laboratory as claimed in claim 1, it is characterised in that first detection means is light
Fine formula steam calorimeter；First detection means has the Measurement channel passed through for steam.
5. steam quality supervising device in laboratory as claimed in claim 2, it is characterised in that the first detection means measurement
To steam quality signal send control device to；The control device connects first three-way solenoid valve, controls described the
One three-way solenoid valve carries out steam distribution.
6. steam quality supervising device in laboratory as claimed in claim 1, it is characterised in that the second detection device is light
Fine formula steam calorimeter；The second detection device has the Measurement channel passed through for steam.
7. steam quality supervising device in laboratory as claimed in claim 3, it is characterised in that the second detection device measurement
To steam quality signal send control device to；The control device connects second three-way solenoid valve, controls described the
Two three-way solenoid valves carry out steam distribution.
8. steam quality supervising device in laboratory as claimed in claim 1, it is characterised in that the priming apparatus includes flow
Control valve and switch valve；The flow control valve connects water source by pipeline, and described switch valve one end connects described by pipeline
Flow control valve, the other end is crossed by pipeline with the pipeline that adds water；The flow control valve and the switch valve are all connected with
Control device；The control device controls the break-make of the switch valve and the flow of the flow control valve.
9. steam quality supervising device in laboratory as claimed in claim 1, it is characterised in that the heater has for steaming
The heating passage that vapour passes through, is provided with heater in the heating passage, the heater is connected with control device；The control dress
Put the heating power for controlling the heater.
10. a kind of laboratory steam drives experimental provision, it is characterised in that the laboratory steam drives experimental provision and sent out including steam
Laboratory steam quality supervising device any one of raw device, steam-flooding model and claim 1-9；The steam hair
Raw device includes steam outlet, soft water delivery outlet and Steam Recovery mouthful；The steam outlet connects first and examines by pipeline
Survey device；The soft water delivery outlet connects priming apparatus by pipeline；The Steam Recovery mouthful connection Steam Recovery pipeline；It is described
Steam-flooding model has steam inlet, and the steam inlet connects steam output circuit.
11. a kind of laboratory steam quality monitoring methods, it is characterised in that the laboratory steam quality monitoring method is using power
Profit requires the laboratory steam quality supervising device any one of 1-9, comprises the following steps：
S1, detection steam generator export the steam quality of steam；
S2, steam is distributed according to the steam quality value detected in step S1；If the steam quality value for detecting is less than and sets
Fixed steam quality value, then be assigned to heating pipeline by steam, and steam is heated；If the steam quality value for detecting is big
In the steam quality value of setting, then steam is assigned to the pipeline that adds water, to being mixed into distilled water in steam；
The steam quality of S3, the steam for detecting after being heated in step S2 or being mixed into after distilled water；
S4, steam is distributed according to the steam quality value detected in step S3；If the steam quality value for detecting and setting
Steam quality value it is different, then steam is assigned to Steam Recovery pipeline, the steam after recovery is processed again；If detected
Steam quality value it is identical with the steam quality value of setting, then steam is assigned to steam output circuit, output steam quality conjunction
The steam of lattice.
12. steam quality monitoring methods in laboratory as claimed in claim 11, it is characterised in that in step s 2, according to such as
Lower formula is calculated the heating power of heater：
P=W2[χ2·hg+(1-χ2)hw]-W1[χ1·hg+(1-χ1)hw]
Wherein, P is the heating power kJ of heater；W2It is the steam flow kg/s after heating；χ2It is steam after heating pipeline
The steam quality value that should have；Hg is the enthalpy kJ/kg of dry saturated vapor；Hw is the enthalpy kJ/kg of distilled water；W1It is steam
The output flow kg/s of generator；χ1It is the steam quality value of the first detection means measurement.
13. steam quality monitoring methods in laboratory as claimed in claim 11, it is characterised in that in step s 2, according to such as
Lower formula is calculated the flow of flow control valve：
Wherein, W2It is the flow kg/s of flow control valve；W1It is the output flow kg/s of steam generator；χ2It is that steam passes through to add
The steam quality value that should have after water lines；Hg is the enthalpy kJ/kg of dry saturated vapor；Hw is the enthalpy kJ/kg of distilled water；
χ1It is the steam quality value of the first detection means measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111849.XA CN106933268B (en) | 2017-02-28 | 2017-02-28 | Laboratory steam quality monitoring device, monitoring method and steam drive experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111849.XA CN106933268B (en) | 2017-02-28 | 2017-02-28 | Laboratory steam quality monitoring device, monitoring method and steam drive experimental provision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106933268A true CN106933268A (en) | 2017-07-07 |
| CN106933268B CN106933268B (en) | 2018-09-25 |
Family
ID=59424159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710111849.XA Expired - Fee Related CN106933268B (en) | 2017-02-28 | 2017-02-28 | Laboratory steam quality monitoring device, monitoring method and steam drive experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106933268B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082282A (en) * | 2021-10-23 | 2022-02-25 | 河南中烟工业有限责任公司 | Saturated steam dryness online regulation and control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008599A (en) * | 2006-06-30 | 2008-01-17 | Denso Corp | Distributor for gas/liquid two-phase fluid |
| CN202177598U (en) * | 2011-04-21 | 2012-03-28 | 西北工业大学 | Steam dryness measuring system of pipe network outlet |
| CN202402018U (en) * | 2011-12-29 | 2012-08-29 | 西北工业大学 | Wet steam distributor |
| CN203785982U (en) * | 2014-04-16 | 2014-08-20 | 阿姆斯壮机械（中国）有限公司 | Steam detection device |
| CN205243487U (en) * | 2015-09-02 | 2016-05-18 | 中国石油化工股份有限公司 | Wet steam flow mass dryness fraction distribution regulation and control device |
-
2017
- 2017-02-28 CN CN201710111849.XA patent/CN106933268B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008008599A (en) * | 2006-06-30 | 2008-01-17 | Denso Corp | Distributor for gas/liquid two-phase fluid |
| CN202177598U (en) * | 2011-04-21 | 2012-03-28 | 西北工业大学 | Steam dryness measuring system of pipe network outlet |
| CN202402018U (en) * | 2011-12-29 | 2012-08-29 | 西北工业大学 | Wet steam distributor |
| CN203785982U (en) * | 2014-04-16 | 2014-08-20 | 阿姆斯壮机械（中国）有限公司 | Steam detection device |
| CN205243487U (en) * | 2015-09-02 | 2016-05-18 | 中国石油化工股份有限公司 | Wet steam flow mass dryness fraction distribution regulation and control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082282A (en) * | 2021-10-23 | 2022-02-25 | 河南中烟工业有限责任公司 | Saturated steam dryness online regulation and control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106933268B (en) | 2018-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203324244U (en) | Online testing device and system for dryness of wet steam | |
| CN105021777B (en) | A kind of multifunctional gas sensor testing system | |
| CN207396402U (en) | High-precision gas sensor dynamic checkout unit under a kind of multi-parameters test environment | |
| CN204613144U (en) | Crude oil water content in-situ measurement equipment | |
| CN104236942B (en) | Filter performance detection method, device and its system | |
| CN105891014B (en) | A kind of Rock And Soil shear rheology instrument considering drying and watering cycle damage effect | |
| CN105952424A (en) | Supercritical water-oil displacement simulator and method | |
| CN105953989B (en) | For the aircooled closed chamber of power module water cooling board test | |
| CN106680001B (en) | A kind of online fatigue life monitor in branch pipe tee connection region and method | |
| CN106870954A (en) | Multichannel real-time monitoring and can quickly position the gas monitoring method and system of leakage | |
| CN109828176A (en) | A kind of New energy automobile motor battery high/low temperature loop test system | |
| EP2717033A2 (en) | Steam turbine performance test system and method usable with wet steam in turbine exhaust | |
| CN104820000A (en) | Online measuring equipment for water content in crude oil | |
| CN106198655A (en) | A kind of electrochemical sensor detection SF6the matrix computational approach of decomposition gas | |
| CN106933268B (en) | Laboratory steam quality monitoring device, monitoring method and steam drive experimental provision | |
| CN103438931A (en) | Integrated moist steam flow dryness measuring device and measuring method | |
| CN106404379A (en) | Safety valve performance online detection device | |
| CN109557126A (en) | A kind of measuring device of soil thermal property parameter and seepage parameters | |
| CN207609548U (en) | Water pump testing system | |
| CN209416953U (en) | A kind of geo-thermal response test instrument can be carried out constant temperature method and constant power process test | |
| CN203422364U (en) | Wet steam dryness detection device | |
| CN103615380B (en) | Without sensing constant voltage pump valve integrating device | |
| CN208885267U (en) | A kind of adaptation low temperature oily crude amount rapid measurement device | |
| CN102288637A (en) | Single-hole heat exchange power processing method in ground source heat pump | |
| CN104894731A (en) | Air jet loom weft insertion air flow pressure flow measurement system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20210228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |