CN206594092U - A kind of experimental provision of nitrogen and water two phase flow surface coefficient of heat transfer - Google Patents
A kind of experimental provision of nitrogen and water two phase flow surface coefficient of heat transfer Download PDFInfo
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- CN206594092U CN206594092U CN201720352356.0U CN201720352356U CN206594092U CN 206594092 U CN206594092 U CN 206594092U CN 201720352356 U CN201720352356 U CN 201720352356U CN 206594092 U CN206594092 U CN 206594092U
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- surface coefficient
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Abstract
The utility model belongs to exploitation technology field, specifically, it is related to the experimental provision of a kind of nitrogen and water two phase flow surface coefficient of heat transfer, including the first connected valve of annular, double-deck ascending pipe, the second valve, venturi mixer, the first fluid flowmeter, the 3rd valve, water pump and water tank；Water inlet pipe is provided between double-deck ascending pipe and water pump, water inlet pipe is provided with the 4th valve, second liquid flowmeter and temperature divertor；Outlet pipe is provided between double-deck ascending pipe and water tank；Air inlet pipe is additionally provided with venturi mixer, air inlet pipe is provided with nitrogen cylinder, the 5th valve and gas flowmeter.The experimental provision can simulate the measuring environment under different hole deviations；The temperature of annular space monophasic fluid can voluntarily be adjusted；Influence of the flow pattern to two phase flow surface coefficient of heat transfer corresponding to different void fractions can be analyzed.
Description
Technical field
The utility model is related to the experimental provision of a kind of nitrogen and water two phase flow surface coefficient of heat transfer, belongs to crude oil and opens
Adopt technical field.
Background technology
After oil well replaces oil through multiple water filling, oil-water interfaces are moved up, and are gradually deteriorated for oily effect, and many flushings lose for oil
Oil well is caused to become high water-cut well after effect, stopping production closing well of finally having to.In addition, water filling can only overflow oil well underground karst cavity
Mother oil displacement below mouthful comes out, but is difficult to displacement to overfall with " attic oil " of upper top so that deposit all high-order bits of well
In the remaining oil that can not largely produce.
In order to effectively employ all high-order bit remaining oils of well, oil recovery factor is improved so that high-water-cut oil-producing well can recover production capacity,
Many scholars propose a kind of method of air water mixed water injection to supplement energy to stratum, and displacement of reservoir oil effect is improved to reach using gravity difference
The purpose of rate, improve in-place oil reserves can development degree.And nitrogen is that oil recovery factor is improved in current oil field with water mixed water injection
A kind of the most frequently used important means.But due to mixing wastewater with air and the complexity of flow pattern, cause temperature in wellbore during air water mixed water injection to calculate
Difficulty, is especially difficult to the heat output for calculating mixing wastewater with air stream.
Utility model content
The utility model provides the experimental provision of a kind of nitrogen and water two phase flow surface coefficient of heat transfer, and its purpose exists
In the problem of heat output present in solution prior art is difficult to calculate.
The technical solution of the utility model is as follows：
The utility model provides the experimental provision of a kind of nitrogen and water two phase flow surface coefficient of heat transfer, including successively
Connected the first valve, double-deck ascending pipe, the second valve, venturi mixer, the first fluid flowmeter, the 3rd valve, water pump
And water tank, and water tank again be connected with the first valve, formation closed-loop path.
In the embodiment that the utility model is provided, the experimental provision of above-mentioned surface coefficient of heat transfer also includes water inlet pipe
And outlet pipe；
Water inlet pipe one end is connected with double-deck ascending pipe, and the other end is connected with water pump, and in one end of close water pump along current
Dynamic direction is sequentially provided with the 4th valve, second liquid flowmeter and temperature divertor；
Outlet pipe one end is connected with double-deck ascending pipe, and the other end is connected with water tank.
In the embodiment that the utility model is provided, the experimental provision of above-mentioned surface coefficient of heat transfer also includes air inlet pipe
And nitrogen cylinder, admission line one end is connected with venturi mixer, and the other end is connected with nitrogen cylinder.
In the embodiment that the utility model is provided, nitrogen cylinder in the experimental provision of above-mentioned surface coefficient of heat transfer and
Between venturi mixer the 5th valve and gas flowmeter are sequentially provided with along gas flow direction.
The utility model provide embodiment in, above-mentioned double-deck ascending pipe include inner and outer tubes, inner and outer tubes it
Between form annular space；
Outer tube is provided with the first temperature sensor and second temperature sensor；
Inner tube is provided with inlet, liquid outlet, three-temperature sensor and the 4th temperature sensor, liquid outlet and the first valve
Door is connected, and the 4th temperature sensor is provided with liquid outlet, and inlet and the second valve are connected, and provided with the 3rd temperature at inlet
Sensor is spent, in addition, being additionally provided with the first conductivity sensor and the second conductivity sensor in inner tube；
Annular space one end is connected with water inlet pipe, and the other end is connected with outlet pipe.
In the embodiment that the utility model is provided, above-mentioned water tank is provided with escape pipe.
In the embodiment that the utility model is provided, above-mentioned first valve and the second valve are fast valve；3rd valve and
4th valve is switch valve；5th valve is pressure regulator valve.
In the embodiment that the utility model is provided, the experimental provision of above-mentioned surface coefficient of heat transfer also includes clamping
Device, clamper includes support bar, connector and clamping part, and support bar is connected with clamping part by connector, and clamping part can be around
Support bar carries out 360 degree of rotations.
In the embodiment that the utility model is provided, above-mentioned clamping part is additionally provided with the first grasping part and the second clamping is empty
Between, the first grasping part is used for the outer tube for clamping double-deck ascending pipe, and the second grasping part is used for the inner tube for clamping double-deck ascending pipe.
The beneficial effects of the utility model are：The experimental provision is simple in construction, easy to use, compared with prior art
With following advantage：(1) heat flow absorbed by annular space monophasic fluid passes come the heat flow and surface for calculating two-phase fluid
Hot coefficient, it is to avoid the complexity that two phase flow thermal physical property parameter is calculated；(2) by clamper, the survey under different hole deviations can be simulated
Measure environment；(3) temperature of annular space monophasic fluid can be by voluntarily adjusting, to simulate under external high temperature or low temperature environment to two phase flow
The influence of surface coefficient of heat transfer；(4) inner tube is provided with conductivity sensor, can measure the void fraction under gas-liquid mixed water injection, and then analyze
Influence from the flow pattern corresponding to different void fractions to two phase flow surface coefficient of heat transfer.
Brief description of the drawings
, below will be to required in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work,
Other related accompanying drawings can also be obtained according to these accompanying drawings.
The experimental provision structure chart of the nitrogen that Fig. 1 the utility model is provided and water two phase flow surface coefficient of heat transfer；
The double-deck ascending pipe structure chart that Fig. 2 the utility model is provided；
The holder structure figure that Fig. 3 the utility model is provided.
Shown in figure：The experimental provision of 100- nitrogen and water two phase flow surface coefficient of heat transfer；The valves of 1- first；2- is double
Layer ascending pipe；The valves of 3- second；4- venturi mixers；The fluid flowmeters of 5- first；The valves of 6- the 3rd；7- water pumps；8- water storages
Tank；80- escape pipes；9- outlet pipes；The valves of 10- the 4th；11- second liquid flowmeters；12- temperature divertors；13- nitrogen cylinders；
The valves of 14- the 5th；15- gas flowmeters；16- clampers；160- support bars；161- connectors；162- clamping parts；1620-
One grasping part；The grasping parts of 1622- second；20- inner tubes；21- outer tubes；22- inlets；23- liquid outlets；The temperature of 24- first
Sensor；25- second temperature sensors；26- three-temperature sensors；The temperature sensors of 27- the 4th；The conductances of 28- first are sensed
Device；The conductivity sensors of 29- second.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, and shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Therefore, below
It is new that the detailed description of embodiment of the present utility model to providing in the accompanying drawings is not intended to limit this claimed practicality
The scope of type, but it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ability
All other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
In description of the present utility model, it is to be understood that the term of indicating position or position relationship is based on accompanying drawing
Shown orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply institute
The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality
With new limitation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is on or below second feature
Can directly it be contacted including the first and second features, it is not direct contact but by it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Directly over two features and oblique upper, or fisrt feature level height is merely representative of higher than second feature.Fisrt feature is special second
Under levying, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Highly it is less than second feature.
Embodiment：
As shown in figure 1, the experiment measurement 100 for present embodiments providing a kind of nitrogen and water two phase flow surface coefficient of heat transfer is filled
Put, including the first valve 1, double-deck ascending pipe 2, the second valve 3, venturi mixer 4, the first fluid flowmeter being sequentially connected
5th, the 3rd valve 6, water pump 7 and water tank 8, and water tank 8 again be connected with the first valve 1, formation closed-loop path.
In the present embodiment, the experiment of above-mentioned nitrogen and water two phase flow surface coefficient of heat transfer measures 100 devices, in addition to water inlet
Pipe and outlet pipe 9.Water inlet pipe one end is connected with double-deck ascending pipe 2, and the other end is connected with water pump 7, and water inlet pipe is close to water pump 7
Flow direction of the one end along water be sequentially provided with the 4th valve 10, second liquid flowmeter 11 and temperature divertor 12；Outlet pipe 9
One end is connected with double-deck ascending pipe 2, and the other end is connected with water tank 8.
In the present embodiment, the experiment of above-mentioned nitrogen and water two phase flow surface coefficient of heat transfer measures 100 devices, in addition to air inlet
Pipe and nitrogen cylinder 13.Air inlet pipe one end is connected with venturi mixer 4, and the other end is connected with nitrogen cylinder 13, and the air inlet pipe exists
One end close to nitrogen cylinder 13 is sequentially provided with the 5th valve 14 and gas flowmeter 15 along gas flow direction.
As shown in Fig. 2 in the present embodiment, above-mentioned double-deck ascending pipe 2 includes inner tube 20 and outer tube 21, inner tube 20 and outer tube 21
Between form annular space.
Outer tube 21 is provided with the first temperature sensor 24 and second temperature sensor 25；
Inner tube 20 is provided with inlet 22, liquid outlet 23, the temperature sensor 27 of three-temperature sensor 26 and the 4th, goes out liquid
Mouth 23 is connected with the first valve 1, and the 4th temperature sensor 27 is provided with liquid outlet 23, and inlet 22 is connected with the second valve 3,
And three-temperature sensor 26 is provided with inlet 22, in addition, being additionally provided with the first conductivity sensor 28 and the second electricity in inner tube 20
Derivative sensor 29；
Annular space one end is connected with water inlet pipe, and the other end is connected with outlet pipe 9.
Specifically, above-mentioned first temperature sensor 24 is used to measure the temperature when water of outlet pipe 9 flows out annular space, second temperature
Sensor 25 is used to measure water inlet pipe reclaimed water into temperature during annular space.
Equally, the above-mentioned conductivity sensor 29 of first conductivity sensor 28 and second can measure the void fraction under gas-liquid mixed water injection,
And then analyze influence of the flow pattern to two phase flow surface coefficient of heat transfer corresponding to different void fractions.
In the present embodiment, above-mentioned water tank 8 is provided with escape pipe 80, and escape pipe 80 is used to discharge the nitrogen in mixing wastewater with air liquid
Gas, it is to avoid nitrogen enters venturi mixer 4 again by the 3rd valve 6, so as to influence mixing wastewater with air ratio.
As shown in figure 3, in the present embodiment, the experiment of above-mentioned nitrogen and water two phase flow surface coefficient of heat transfer measures 100 devices,
Also include clamper 16, clamper 16 includes support bar 160, connector 161 and clamping part 162, support bar 160 and clamping part
162 are connected by connector 161, and clamping part 162 can carry out 360 degree of rotations around support bar 160, so as to realize simulation in difference
Measuring environment under hole deviation.
Specifically, clamping part 162 is additionally provided with the first grasping part 1620 and the second grasping part 1622, the first grasping part
1620 outer tube 21 for clamping double-deck ascending pipe 2, the second grasping part 1622 is used for the inner tube 20 for clamping double-deck ascending pipe 2.
Specifically, in the present embodiment, the above-mentioned valve 3 of first valve 1 and second is fast valve, the 3rd valve 6 and the 4th
Valve 10 is switch valve, and the 5th valve 14 is pressure regulator valve.
It is as follows that the experiment of nitrogen and water two phase flow surface coefficient of heat transfer measures 100 steps：
(1) valve 14 of nitrogen cylinder 13 and the 5th, the 5th valve 14 of regulation and gas flowmeter 15 are opened, it is ensured that enter literary mound
In gas flow in blender 4 to the flow for testing setting；
(2) water tank 8 is opened, starts water pump 7, the 3rd valve 6 is opened, then adjusts the first fluid flowmeter 5, it is ensured that enter
Enter the water-carrying capacity in venturi mixer 4 to the flow of experiment setting；
(3) venturi mixer 4 is opened, allows gas-liquid to be thoroughly mixed wherein, the 4th valve 10, regulation second is now opened
Fluid flowmeter 11 makes the flow that the single-phase water-carrying capacity entered in the double-deck annular space of ascending pipe 2 is set to experiment；
(4) the first valve 1 and the second valve 3 are opened, the mixing wastewater with air liquid allowed in venturi mixer 4 enters double-deck inject
The inner tube 20 of pipe 2, now adjusts temperature divertor 12, makes to deposit between the gas-liquid mixture fluid temperature in annular space water temperature and inner tube 20
In certain temperature difference, (annular space water temperature can be measured by the first temperature sensor 24 and second temperature sensor 25, the gas of inner tube 20
Liquid fluid-mixing temperature can be measured by the temperature sensor 27 of three-temperature sensor 26 and the 4th)；
(5) annular space in a period of time Δ t is recorded respectively using the temperature sensor 27 of three-temperature sensor 26 and the 4th
Temperature T2 when temperature T1 of the middle single-phase water when entering annular space and outflow annular space, then being conducted heat in period Δ t inner surfaces is
Number h calculation formula is as follows：
In formula：A is heat transfer area (being the lateral area of inner tube 20 of double-deck ascending pipe 2 in this experiment), m2；
(6) the first electric conductivity value and the second electric conductivity value, the calculating for void fraction in period Δ t are recorded；
(7) change the angle of inclination of double-deck ascending pipe 2 using clamper 16, repeat the above steps (1) to (6) to complete
The measurement experiment of different hole deviation lower surface heat transfer coefficients.
The nitrogen that the utility model is provided has the beneficial effect that with the experimental provision of water two phase flow surface coefficient of heat transfer：
The experimental provision is simple in construction, easy to use, compared with prior art with following advantage：(1) annular space single-phase flow is passed through
The heat flow that body absorbs calculates the heat flow and surface coefficient of heat transfer of two-phase fluid, it is to avoid two phase flow thermal physical property parameter meter
The complexity of calculation；(2) by clamper, the measuring environment under different hole deviations can be simulated；(3) temperature of annular space monophasic fluid can lead to
Cross and voluntarily adjust, to simulate the influence under external high temperature or low temperature environment to two phase flow surface coefficient of heat transfer；(4) inner tube is provided with
Conductivity sensor, can measure the void fraction under gas-liquid mixed water injection, and then analyze from the flow pattern corresponding to different void fractions to two phase flow
The influence of surface coefficient of heat transfer.
It is described above, not make any formal limitation to the utility model, although the utility model is by implementing
Example is disclosed above, but is not limited to the utility model, and any those skilled in the art are not departing from this practicality
In new technique aspects, when the technology contents using the disclosure above make it is a little change or be modified to equivalent variations etc.
Embodiment is imitated, as long as being the content without departing from technical solutions of the utility model, according to technical spirit of the present utility model to the above
Any simple modification, equivalent variations and modification that embodiment is made, in the range of still falling within technical solutions of the utility model.
Claims (9)
1. the experimental provision of a kind of nitrogen and water two phase flow surface coefficient of heat transfer, it is characterised in that including what is be sequentially connected
First valve, double-deck ascending pipe, the second valve, venturi mixer, the first fluid flowmeter, the 3rd valve, water pump and water storage
Tank, and water tank again be connected with the first valve, formation closed-loop path.
2. the experimental provision of nitrogen according to claim 1 and water two phase flow surface coefficient of heat transfer, it is characterised in that
Also include water inlet pipe and outlet pipe；
Described water inlet pipe one end is connected with double-deck ascending pipe, and the other end is connected with water pump, and in one end of close water pump along current
Dynamic direction is sequentially provided with the 4th valve, second liquid flowmeter and temperature divertor；
Described outlet pipe one end is connected with double-deck ascending pipe, and the other end is connected with water tank.
3. the experimental provision of nitrogen according to claim 2 and water two phase flow surface coefficient of heat transfer, it is characterised in that
Also include air inlet pipe and nitrogen cylinder, described admission line one end is connected with venturi mixer, and the other end is connected with nitrogen cylinder.
4. the experimental provision of nitrogen according to claim 3 and water two phase flow surface coefficient of heat transfer, it is characterised in that
Between nitrogen cylinder and venturi mixer the 5th valve and gas flowmeter are sequentially provided with along gas flow direction.
5. the experimental provision of nitrogen according to claim 4 and water two phase flow surface coefficient of heat transfer, it is characterised in that
The double-deck ascending pipe includes forming annular space between inner and outer tubes, inner and outer tubes；
Outer tube is provided with the first temperature sensor and second temperature sensor；
Inner tube is provided with inlet, liquid outlet, three-temperature sensor and the 4th temperature sensor, liquid outlet and the first valve phase
Even, and at liquid outlet the 4th temperature sensor is provided with, inlet and the second valve are connected, and are passed at inlet provided with the 3rd temperature
Sensor, in addition, being additionally provided with the first conductivity sensor and the second conductivity sensor in inner tube；
Annular space one end is connected with water inlet pipe, and the other end is connected with outlet pipe.
6. the experimental provision of nitrogen according to claim 5 and water two phase flow surface coefficient of heat transfer, it is characterised in that
The water tank is provided with escape pipe.
7. the experimental provision of nitrogen according to claim 6 and water two phase flow surface coefficient of heat transfer, it is characterised in that
First valve and second valve are fast valve, and the 3rd valve and the 4th valve are switch valve, described the
Five valves are pressure regulator valve.
8. the experimental provision of the nitrogen and water two phase flow surface coefficient of heat transfer according to any one of claim 1 to 7, its
It is characterised by, in addition to clamper, the clamper includes support bar, connector and clamping part, the support bar and the folder
Portion is held by the connector to be connected, and the clamping part can carry out 360 degree of rotations around the support bar.
9. the experimental provision of nitrogen according to claim 8 and water two phase flow surface coefficient of heat transfer, it is characterised in that
The clamping part is additionally provided with the first grasping part and the second grasping part, and first grasping part is used to clamp the double-deck note
Enter the outer tube of pipe, second grasping part is used for the inner tube for clamping the double-deck ascending pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352356.0U CN206594092U (en) | 2017-04-06 | 2017-04-06 | A kind of experimental provision of nitrogen and water two phase flow surface coefficient of heat transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352356.0U CN206594092U (en) | 2017-04-06 | 2017-04-06 | A kind of experimental provision of nitrogen and water two phase flow surface coefficient of heat transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206594092U true CN206594092U (en) | 2017-10-27 |
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ID=60120814
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720352356.0U Expired - Fee Related CN206594092U (en) | 2017-04-06 | 2017-04-06 | A kind of experimental provision of nitrogen and water two phase flow surface coefficient of heat transfer |
Country Status (1)
| Country | Link |
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| CN (1) | CN206594092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490154A (en) * | 2019-01-11 | 2019-03-19 | 西安交通大学 | A kind of venturi air water blending experimental bench of gas flow and bubble Parameter adjustable |
| CN109781779A (en) * | 2018-12-29 | 2019-05-21 | 西安交通大学 | A kind of method and device suitable for measuring molten air-flow body specific heat capacity at constant pressure |
-
2017
- 2017-04-06 CN CN201720352356.0U patent/CN206594092U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781779A (en) * | 2018-12-29 | 2019-05-21 | 西安交通大学 | A kind of method and device suitable for measuring molten air-flow body specific heat capacity at constant pressure |
| CN109781779B (en) * | 2018-12-29 | 2021-01-19 | 西安交通大学 | Method and device suitable for measuring specific constant pressure heat capacity of dissolved gas fluid |
| CN109490154A (en) * | 2019-01-11 | 2019-03-19 | 西安交通大学 | A kind of venturi air water blending experimental bench of gas flow and bubble Parameter adjustable |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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