CN101382480A - Volume variable container - Google Patents
Volume variable container Download PDFInfo
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- CN101382480A CN101382480A CNA2008101971248A CN200810197124A CN101382480A CN 101382480 A CN101382480 A CN 101382480A CN A2008101971248 A CNA2008101971248 A CN A2008101971248A CN 200810197124 A CN200810197124 A CN 200810197124A CN 101382480 A CN101382480 A CN 101382480A
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- separation membrane
- pad
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- liquid
- gas
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Abstract
The invention discloses a capacity-changing vessel which comprises a liquid inlet, a liquid outlet, a liquid chamber, a separation membrane, a gas chamber, a gauze pad, an air inlet and an air outlet from top to bottom. A cone cap and a lower cap are connected by bolts; a membrane pressing ring presses the edge of the separation membrane into the groove of the skirt hem of the cone cap; a sealing ring is embedded into the groove of the central outer edge on the lower cap and tightly presses against the separation membrane to cling to the skirt hem of the cone cap; the separation membrane divides the vessel into a liquid chamber and an air chamber; the top of the cone cap is provided with the liquid inlet and the liquid outlet; and the central groove on the lower cap is embedded with a pad, the central surface is pasted with the gauze pad, the groove on the central outer edge is embedded with the sealing ring, the lower surface of the lower pad is provided with the air inlet and the air outlet. The invention has the advantages of simple operation, stable device, and realizable measurement result, thus enlarging the measurement range, improving the experimental speed and improving the experimental precision.
Description
Technical field
The present invention relates to a kind of transfiguration water yield container, more specifically relate to the volume variable container in a kind of transfiguration pressure pulse method measurement rock fluid infiltration coefficient experimental provision; Be particularly useful for accurately measuring fast that rock fluid infiltration coefficient changes on a large scale.
Background technology
Perviousness is a kind of critical nature of hole and fissuted medium.In recent years, because the exploitation of oil gas field, radiomaterial underground deposited and buries and the geology of carbon dioxide isothermal chamber gas such as seals up for safekeeping at the research of Important Project problem, press for numerous natural and artificial materials are under complex geological condition in the engineering, its prolonged permeation performance change has further understanding.Measuring method for the hyposmosis material in the laboratory mainly contains constant flow pump method, pressure oscillation method and pressure pulse method.The pressure pulse method is theoretical ripe because of it, processing ease, and use comparatively extensive.
And from nineteen sixty-eight the pressure pulse method propose to improve to some extent on the only resonable computing method of touching upon of the method so far substantial improvements not on test method and device first by Brace.The author in 2007 will be based on fluid the variable transfiguration water yield container (patent No.: 200720077599.2) be applied in the pressure pulse method test unit of comprehensive compressibility, be transfiguration pressure pulse method and test unit thereof, make traditional pressure pulse method and test unit obtain substantial improvements.Transfiguration pressure pulse method and test unit advantage are to measure that range is big, measuring speed is fast.And in the test operation process of reality, discovery transfiguration water yield container (patent No.: 200720087599.2) on structural design, also have following five problems:
1.. vacuumize in the full water process in system, because stack shell is the cylindrical shape water of can not satisfy fully always has a little residual gas and is mixed in the fluid chamber, the error that causes the container water capacity to measure;
2.. stack shell is a cylindrical shape, and stack shell is connected by bolt with bottom, clips separation membrane and O-ring seal between stack shell and the bottom, and O-ring seal is embedded on the bottom, is pressing separation membrane, plays the effect of airtight container simultaneously.Separation membrane is separated into fluid chamber and air chamber with container, in the test operation process, air chamber pressure can occur and make the separation membrane expansion excessive greater than fluid chamber, causes the breakage of separation membrane marginal laceration, and test is interrupted;
3.. in the test operation process, fluid chamber pressure can occurring, that separation membrane is shunk is excessive, sucks advancing/gas outlet on the bottom, causes that hole appears in cardiorrhexis in the separation membrane, and test is interrupted;
4.. in the test operation process, all can cause the slippage of separation membrane edge to leak gas because pressure differential is excessive about the separation membrane, test is interrupted;
5.. the frequent breakage of separation membrane causes test to be interrupted in the transfiguration water yield container, and film is changed in dismounting, increases test operation complicacy, loaded down with trivial details property, reduce test efficiency, influence test result, personnel propose high requirement to test operation, have reduced operability, practicality and the application prospect of test unit.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the existing transfiguration water yield container (patent No.: the above-mentioned shortcoming and defect that 200720087599.2) exists on structural design, the objective of the invention is to be to provide a kind of volume variable container, is that a kind of alternative employing transfiguration pressure pulse method is measured the transfiguration water yield container in the rock fluid infiltration coefficient experimental provision.Structure of container is simple, good stability, workable, efficiency of measurement and precision height, and membrane material is durable in use, is difficult for consume, and economy is strong, practical, is with a wide range of applications.
To achieve these goals, the present invention adopts following technical measures:
The present invention is based upon the transfiguration water yield container of transfiguration pressure pulse method test unit, and (patent No.: on the basis 200720087599.2), at the defective on its structural design, improve and to have designed novel volume variable container, through facts have proved, effect is distinguished.
The present invention includes into/liquid outlet, awl lid, fluid chamber, separation membrane, air chamber, pad net, pad, bolt, press mold circle, O-ring seal, bottom and advancing/gas outlet;
From top to bottom, awl lid and bottom lid connects by bolt; The press mold circle is compressed into awl with the edge of separation membrane and is covered the shirt rim groove; O-ring seal is embedded in the outer rim groove of bottom upper surface center; When awl lid and bottom lid connected, O-ring seal compressed separation membrane and is close to awl and covers on the shirt rim; Separation membrane will be separated into fluid chamber and air chamber in the container; The top of awl lid is provided with into/liquid outlet; Set pad in the bottom upper surface central recess, center surface is pasted the pad net, sets O-ring seal in the outer rim groove of center, is provided with into/gas outlet below the bottom.
The awl lid is designed to taper shape, and the water of can satisfying fully in vacuumizing full water process is avoided the container internal cause can not reach vacuum tightness and caused residual a little gas of meeting when satisfying water, causes the error of container water capacity size metering, influences test accuracy.The conical awl of novel volume variable container cover slope angle slow (the cylindrical shape slope angle meets at right angles), and when separation membrane expanded, it covered the edge that the shirt rim contacts and be difficult for tearing with boring.(patent No.: the problem that 200720087599.2) transfiguration water yield container exists on structural design: can not satisfy fully water and separation membrane edge are easily torn so conical awl lid just can solve.
On bottom, set pad in the central recess, and on center surface, paste the pad net, can prevent that separation membrane is inhaled into center pit when shrinking, cause middle cardiorrhexis, can not hinder gas input and output gas chamber simultaneously again.So pad is set and the pad net just can solve that (patent No.: the problem that 200720087599.2) transfiguration water yield container exists: the separation membrane center hole breaks on structural design.
Cover on the shirt rim design groove at awl and be used for setting the press mold circle, when separation membrane is installed, separation membrane is fixed earlier, with O-ring seal separation membrane is compressed again and seal up with the press mold circle.Like this, when fluid chamber about separation membrane and air chamber pressure differential were excessive, separation membrane also can not be torn or slippage.So being set, the press mold circle just can solve (the patent No.: the problem that 200720087599.2) transfiguration water yield container exists: separation membrane edge slippage gas leakage on structural design.
Novel volume variable container by after above scheme and the measure improvement efficiently solves defective and the problem of former transfiguration water yield container on structural design, and effect is remarkable.
Principle of work of the present invention:
Utilize between the compressibility coefficient magnitude of gas and liquid and differ bigger characteristics, just gas compressibility is very big, the physical characteristics that liquid compression is very little.Gas and liquid are placed in the same container simultaneously, it is separated, and sit on the top of the other or dissolve by separation membrane; Taper shape awl lid design has simultaneously also avoided vacuumizing meeting residual gas in the full water process, in order to avoid influence the comprehensive constrictive metering of container inner fluid.If the gas-liquid mixed dissolving, one can't accurately quantize its mixed compressibility, and two mixed compressibility variation ranges reduce, thus must adopt separation membrane that gas-liquid is separated, and in fluid chamber, can not infiltrate gas, vacuumizing full water must be fully.Specifically, by advancing/the liquid outlet feed liquor, advance/gas outlet gives vent to anger, and makes the liquid in container volume increase, and gas volume reduces, thereby has reduced gas-liquid volume ratio, has reduced the comprehensive compressibility of container inner fluid, and compressibility coefficient reduces, and the container water capacity reduces; In like manner, if increase gas volume, reduce liquid volume, promptly improve gas-liquid volume ratio, then the comprehensive compressibility of container inner fluid increases, and compressibility coefficient increases, and the container water capacity increases.
Whole process has realized changing without dismounting under the condition of film, is not influencing under test globality and the continuity of operation condition, and the water tank water capacity can arbitrarily be adjusted according to the test demand, until suitable size.
The present invention has the following advantages and good effect:
1. in process of the test, can adjust gas-liquid volume ratio in the change container in real time, thereby change the comprehensive compressibility of container inner fluid, promptly change the container water capacity.
2. install fitment material and be difficult for consume, the economy height has improved the test operability, has reduced the test complexity.
3. test principle is directly perceived, simple in structure, precision is high, efficient is high, good stability, easy operating, need not the dismounting.
4. can measure needs according to different rock sample fluid permeability coefficients, realize in the entire test only with a water tank container, thereby saved human and material resources and financial resources effectively.
5. not only be convenient to test operation, also avoided dismounting transposing different volumes water tank after, need vacuumize once more, water filling once more, check system is leaked once more, once more complicated procedures such as demarcations grade.
In a word, the present invention has overcome the existing transfiguration water yield container (patent No.: the shortcoming and defect that 200720087599.2) exists on structural design, a kind of novel volume variable container is provided, and alternative transfiguration pressure pulse method is measured the transfiguration water yield container in the rock fluid infiltration coefficient experimental provision.Realize the optimization Test device, short form test step, raising device stability further make the reliable results of measuring to have enlarged measurement range, have accelerated test speed, have improved experimental precision.
Description of drawings
Fig. 1 is a kind of volume variable container structural representation (main looking);
Fig. 2 is a separation membrane structural representation (overlooking);
Fig. 3 covers structural representation (main looking) for awl;
Fig. 4 covers structural representation (overlooking) for awl;
Fig. 5 is pad web frame synoptic diagram (overlooking);
Fig. 6 is a gasket construction synoptic diagram (overlooking);
Fig. 7 is bottom cover structure synoptic diagram (main looking);
Fig. 8 is a bottom cover structure synoptic diagram (overlooking).
Wherein:
1-advance/liquid outlet; 2-awl lid; 3-fluid chamber;
4-separation membrane; 5-air chamber; 6-pad net;
7-pad; 8-bolt; 9-press mold circle;
10-O-ring seal; 11-bottom; 12-advance/gas outlet;
Embodiment
The present invention is further described below in conjunction with accompanying drawing and exemplifying embodiment:
One, the structure of each parts
1, separation membrane 4
As depicted in figs. 1 and 2: separation membrane 4 place awl cover 2 and bottom 11 between, be fixed on awl by press mold circle 9 and cover 2 lower surfaces, by O-ring seal 10 be clamped in bore cover 2 and bottom 11 between, interior separation membrane 4 tops of container are that fluid chamber 3, below are air chamber 5.Separation membrane 4 is separated into two chambeies with container: fluid chamber 3 and air chamber 5; Along with the variation of gas-liquid volume ratio, the shape of separation membrane 4 in container is also in continuous variation; When gas volume increased in the air chamber 5, separation membrane 4 can expand to fluid chamber 3 and heave; When reducing, can shrink gas volume.Separation membrane 4 is a kind of high resiliency, ultra-thin, the circular membrane that is difficult for breaking; The film material can be: natural rubber, teflon, Polyvinylchloride etc.
2, awl covers 2
According to Fig. 1, Fig. 3 and Fig. 4 as can be known: advance/liquid outlet 1 is located at awl and cover 2 upper end, in the pilot system liquid exactly by advance/liquid outlet 1 injects or discharged liquid chamber 3, thereby change the volume of fluid chamber 3 interior liquid.It is a kind of containers that adopt universal pressure container formation method to be made into that awl covers 2;
3, pad net 6
As Fig. 1, Fig. 5 and shown in Figure 8: pad net 6 is arranged between separation membrane 4 and the pad 7, can prevent effectively that separation membrane 4 from closely contacting with pad 7, thereby avoid separation membrane 4 center holes.Pad net 6 is dense messes of a kind of anticorrosion, antirust, fungi-proofing, stable in properties; Pad net material can be: stainless steel etc.
4, pad 7
As Fig. 1 and shown in Figure 6: pad 7 is arranged in bottom 11 central recess, and when separation membrane 4 shrank, available buffer separation membrane 4 was not inhaled into into/gas outlet 12, effectively protects separation membrane 4 can not break or center hole.Pad 7 is the porous sintered thin slices of a kind of high precision anticorrosion, antirust, fungi-proofing, stable in properties; The pad material can be: stainless steel etc.
5, bottom 11
According to Fig. 1, Fig. 7 and Fig. 8 as can be known: advance/gas outlet 12 is located at the lower end of bottom 11, in the pilot system gas exactly by advance/gas outlet 12 is injected or is discharged air chamber 5, thereby changes the volume of 5 gases in the air chamber.Bottom 11 is a kind of cover plates that adopt universal pressure container formation method to be made into.
6, the press mold circle 9
As shown in figures 1 and 3: press mold circle 9 is embedded at awl and covers in the groove of 2 shirt rims; Be used to push down the edge of separation membrane 4, be fixed in awl and cover on 2 the bottom surface.Press mold circle 9 is general high resiliency seal.
7, O-ring seal 10
As Fig. 1, Fig. 7 and shown in Figure 8: O-ring seal 10 is embedded in the groove of bottom 11 upper surfaces; Be used to clamp separation membrane 4, sealing liquid body cavity 3 and air chamber 5 seal entire container simultaneously.O-ring seal 10 is general high resiliency seal.
8, bolt 8
As shown in Figure 1: bolt 8 is part commonly used, connects awl and covers 2 and bottom 11, is used for the fit sealing entire container.
Two, using method
1, after entire container vacuumizes, by advance/liquid outlet 1 sucks liquid (as water) to fluid chamber 3, makes the entire container water of satisfying; Then entire container is applied an original pressure, place a period of time, make gas dissolving remaining in the fluid chamber 3 in liquid (as water).
2, entire container apply original pressure full water-soluble separate residual gas after, by advance/gas outlet 12 injecting gas (as nitrogen) to air chamber 5, according to the test specimen material, inject proper volume.
3, during injecting gas, air chamber 5 volumes increase, and separation membrane 4 expands and heaves, and fluid chamber 3 volumes reduce, and partially liq is by advancing/liquid outlet 1 amount discharge container; The quality that measures discharged liquid can converse the volume of initial injecting gas; Because the volume of entire container is a certain value, knows the initial gas volume, also just can converse the original liquid volume.
Three, the metering of the comprehensive water capacity of container inner fluid
Fluid water capacity metering formula is:
C
s＝(C
w·V
w+C
g·V
g)/V
s (1)
V
s＝V
w+V
g (2)
Wherein:
C
s-fluid total compressibility;
C
w-liquid compressibility factor;
C
g-gas compressive coefficient;
V
s-container volume;
V
w-liquid volume;
V
g-gas volume.
The volume of novel volume variable container can be weighed by full water and be converted, and again by the gas injection discharge opeing, measures the quality of discharged liquid, can converse the volume V of initial gas
gThereby, can calculate the volume of original liquid and initial gas in the container respectively, be respectively V
wAnd V
gThe compressibility coefficient C of liquids and gases
wAnd C
gThere are ready-made reliable data to use at present; At this moment, the above formula of each data substitution can be obtained container inner fluid total compressibility C
sThis shows,, just can change the comprehensive compressibility size of container inner fluid by regulating the size of gas volume in the container.
Claims (5)
1, a kind of volume variable container, it comprises into/liquid outlet (1), fluid chamber (3), separation membrane (4), air chamber (5), pad net (6) and advance/gas outlet (12), it is characterized in that: from top to bottom, awl covers (2) and is connected by bolt (8) with bottom (11); Press mold circle (9) is compressed into awl lid (2) shirt rim groove with the edge of separation membrane (4); O-ring seal (10) is embedded in bottom (11) and goes up in the outer rim groove of center; O-ring seal (10) compresses separation membrane (4) and is close on awl lid (2) shirt rim; Separation membrane (4) will be separated into fluid chamber (3) and air chamber (5) in the container; The top of awl lid (2) is provided with into/liquid outlet (1); Bottom (11) is gone up in the central recess and is set pad (7), and center surface is pasted pad net (6), sets O-ring seal (10) in the outer rim groove of center, and bottom is provided with into below (11)/gas outlet (12).
2, a kind of volume variable container according to claim 1 is characterized in that: awl lid (2) is for conical.
3, a kind of volume variable container according to claim 1 is characterized in that: separation membrane (4) is a kind of circular membrane.
4, a kind of volume variable container according to claim 1 is characterized in that: the thin slice that pad (7) is made for a kind of porosint sintering.
5, a kind of volume variable container according to claim 1 is characterized in that: described pad net (6) is arranged between separation membrane (4) and the pad (7), and pad (7) is located in bottom (11) central recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101971248A CN101382480B (en) | 2008-09-28 | 2008-09-28 | Volume variable container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101971248A CN101382480B (en) | 2008-09-28 | 2008-09-28 | Volume variable container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101382480A true CN101382480A (en) | 2009-03-11 |
| CN101382480B CN101382480B (en) | 2010-07-21 |
Family
ID=40462437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101971248A Expired - Fee Related CN101382480B (en) | 2008-09-28 | 2008-09-28 | Volume variable container |
Country Status (1)
| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103083748A (en) * | 2011-10-31 | 2013-05-08 | 深圳光启高等理工研究院 | Gas-liquid exchanger |
| CN103698173A (en) * | 2013-12-10 | 2014-04-02 | 大连金瑞威达科技有限公司 | Membrane separation sampling device for ion mobility spectrometry |
| CN104508454A (en) * | 2012-06-20 | 2015-04-08 | J·R·辛普劳公司 | Permeameter probe |
| CN110748635A (en) * | 2019-10-28 | 2020-02-04 | 江苏众力合创精密机械科技有限公司 | Efficient planetary gear reducer |
| CN113953297A (en) * | 2021-11-01 | 2022-01-21 | 上海达巧康新材料科技有限公司 | Deep cleaning and renovating device and method for glass surface of photovoltaic module |
-
2008
- 2008-09-28 CN CN2008101971248A patent/CN101382480B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103083748A (en) * | 2011-10-31 | 2013-05-08 | 深圳光启高等理工研究院 | Gas-liquid exchanger |
| CN104508454A (en) * | 2012-06-20 | 2015-04-08 | J·R·辛普劳公司 | Permeameter probe |
| US9371729B2 (en) | 2012-06-20 | 2016-06-21 | J.R. Simplot Company | Permeameter probe |
| CN104508454B (en) * | 2012-06-20 | 2017-06-09 | J·R·辛普劳公司 | Permeameter probe |
| CN103698173A (en) * | 2013-12-10 | 2014-04-02 | 大连金瑞威达科技有限公司 | Membrane separation sampling device for ion mobility spectrometry |
| CN110748635A (en) * | 2019-10-28 | 2020-02-04 | 江苏众力合创精密机械科技有限公司 | Efficient planetary gear reducer |
| CN113953297A (en) * | 2021-11-01 | 2022-01-21 | 上海达巧康新材料科技有限公司 | Deep cleaning and renovating device and method for glass surface of photovoltaic module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101382480B (en) | 2010-07-21 |
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