CN101408493B - Method and apparatus for measuring adsorbance-deformation-permeability coefficients of material - Google Patents

Method and apparatus for measuring adsorbance-deformation-permeability coefficients of material Download PDF

Info

Publication number
CN101408493B
CN101408493B CN2008101978124A CN200810197812A CN101408493B CN 101408493 B CN101408493 B CN 101408493B CN 2008101978124 A CN2008101978124 A CN 2008101978124A CN 200810197812 A CN200810197812 A CN 200810197812A CN 101408493 B CN101408493 B CN 101408493B
Authority
CN
China
Prior art keywords
valve
volume pump
gas
upstream
subsystem
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.)
Expired - Fee Related
Application number
CN2008101978124A
Other languages
Chinese (zh)
Other versions
CN101408493A (en
Inventor
李小春
方志明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Institute of Rock and Soil Mechanics of CAS
Original Assignee
Wuhan Institute of Rock and Soil Mechanics of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Institute of Rock and Soil Mechanics of CAS filed Critical Wuhan Institute of Rock and Soil Mechanics of CAS
Priority to CN2008101978124A priority Critical patent/CN101408493B/en
Publication of CN101408493A publication Critical patent/CN101408493A/en
Application granted granted Critical
Publication of CN101408493B publication Critical patent/CN101408493B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a measurement method of adsorbance-deformation-osmotic coefficients of a material and a device thereof. The method is as follows: processing the material into cylindrical samples; wrapping the cylindrical samples and porous shims by a sealing material and putting the wrapped cylindrical samples and the porous shims in a pressure chamber; vacuumizing a system; aerating a metering pump and recording a volume value and a pressure value of the air in the metering pump; pressurizing hydraulic oil in the pressure chamber; starting the metering pump to inject air into the samples; recording a volume variation rate of the air in the metering pump; after the volume variation rate of the air in the metering pump is constant, recording the rate, the volume of the air in the metering pump and readings of a differential gauge and a deformation sensor at the moment; and calculating the adsorbance coefficient, the deformation coefficient and the osmotic coefficient. The device comprises an air source subsystem, an air injection and control subsystem, a loading subsystem, a data acquisition subsystem and a thermostatic water tank. The device and the method can measuring the adsorbance coefficient, the deformation coefficient and the osmotic coefficient of the material at the same time, and causes tests which formerly need to be performed a plurality of times to be completed once at the same time, thus reducing the test time and the cost.

Description

Method and device that material adsorbance-distortion-infiltration coefficient is measured
Technical field
The present invention relates to the attribute testing technical field of construction material, more specifically relate to a kind of method of adsorptive power (adsorbance), absorption distortion and infiltration coefficient measurement of construction material, also relate to a kind of adsorbance of construction material, the device that absorption is out of shape and infiltration coefficient is measured simultaneously.This method and device can be extensively because the measurements of the adsorptive power (adsorbance) of construction material, absorption distortion and infiltration coefficient.
Background technology
A lot of materials (as activated charcoal, coal etc.) are owing to comprise a large amount of holes, and its surface area is very big, thereby has the adsorptive power to gas.After the material adsorbed gas, its physics, mechanical property can change.Can expand or shrink such as volume after the material adsorbed gas, thereby change the structure of its pore system, the variation of pore texture can cause material permeability coefficient to change, thereby influences Mechanical Properties of Materials.Material is inequality to the adsorbance of gas with various, and therefore, behind the material absorption gas with various, its distortion is also inequality, thereby different to the impact effect of infiltration coefficient, and the influence of Mechanical Properties of Materials is had very big difference.
Therefore, the adsorptive power of research material (adsorbance), absorption distortion and the infiltration coefficient variation change in mechanics that absorption causes to research material have very important significance.
Summary of the invention
The objective of the invention is to be to provide the method for a kind of construction material adsorbance-distortion-infiltration coefficient measurement, this method can be measured adsorbance, distortion and the infiltration coefficient of material simultaneously.
Another object of the present invention is the device that has been to provide a kind of construction material adsorbance-distortion-infiltration coefficient to measure, and measures when this device can be realized the adsorbance, distortion of material and infiltration coefficient.
In order to achieve the above object, the present invention adopts following technical scheme:
The measuring method of a kind of material adsorbance-distortion-infiltration coefficient is as follows:
1, materials processing is become cylindrical sample;
2, cylindrical sample and porous gasket are wrapped up with encapsulant, be placed in the pressure chamber then, and in the pressure chamber, install temperature sensor, axial deformation sensor, radial deformation sensor, well heater, connect the gas injection pipeline that is connected with cylindrical sample two ends porous gasket in the pressure chamber, in the pressure chamber, fill with hydraulic oil;
3, gas in the volume pump is all discharged, this moment, the volume pump piston was pushed into top, and six-way valve is transferred to off-position, opened all valves in the pipeline, started vacuum pump, and system vacuumizes to whole test;
4, close the valve that is connected with vacuum pump, close vacuum pump, close the volume pump valve of giving vent to anger, six-way valve is transferred to helium (He) gas cylinder position, charge into He (about 300-500ml gets final product) to volume pump, close the volume pump air intake valve, volume pump is set to constant voltage mode, and the force value of two volume pumps equates, writes down the body and the force value of gas in the volume pump respectively;
5, give hydraulic oil pressurization in the pressure chamber, the size of pressure is decided according to concrete testing program;
6, close the valve that connects the upstream and downstream pipeline, open the volume pump valve of giving vent to anger, beginning is to the sample gas injection;
7, treat that the volume pump internal pressure is stable after, write down the pressure and the volume of gas in the volume pump;
8, the difference of the volume of gas was the dead volume of system during the volume and the 7th of gas went on foot in the 4th step;
9, six-way valve is transferred to the emptying position, gas in the volume pump is all discharged, this moment, the volume pump piston was pushed into top, and six-way valve is transferred to off-position, opened all valves in the pipeline, started vacuum pump, and system vacuumizes to whole test;
10, close the valve that is connected with vacuum pump, close vacuum pump, close the volume pump valve of giving vent to anger, six-way valve is transferred to carbon dioxide (CO 2) the gas cylinder position, be full of CO to volume pump 2, close the volume pump air intake valve, volume pump is set to constant voltage mode, and the size of pressure is decided according to concrete testing program, and the pressure of upstream volume pump is a bit larger tham the force value of downstream volume pump, and pressure reduction is Δ P, CO in the record volume pump 2The volume of gas and force value;
11, give hydraulic oil pressurization in the pressure chamber, the size of pressure is decided according to concrete testing program;
12, close the valve that connects the upstream and downstream pipeline, open the volume pump valve of giving vent to anger, beginning is to the sample gas injection;
13, the rate of change of gas volume in the record volume pump, the data of gathering differential pressure gauge, axial deformation sensor, radial deformation sensor;
14, when volume pump gas injection speed in upstream equated with downstream volume pump gettering rate, the absorption of material promptly reached balance, writes down this speed, the volume of gas in the reading of differential pressure gauge and the volume pump;
15, CO in the 10th step 2Volume and the 14th the step in CO 2Volume and the difference of system's dead volume be the material CO absorption 2The amount of gas, distortion can directly be obtained by sensor, and infiltration coefficient can be tried to achieve by speed and differential pressure in the 14th step according to Darcy's law;
16, the setup pressure value that changes volume pump in the 10th step can be measured material CO absorption under the different pressures 2The amount of gas, distortion and infiltration coefficient;
17, repetition the 3rd and the 10-15 step respectively once transfers to other gas cylinder position with six-way valve in the 10th step, can measure adsorbance, distortion and the infiltration coefficient of material to other gas.
A kind of material adsorbance-distortion-infiltration coefficient measurement mechanism mainly comprises source of the gas subsystem, gas injection and control subsystem, loads subsystem, data acquisition subsystem and Water Tank with Temp.-controlled.It is characterized in that: the source of the gas subsystem injects with threeway in the control subsystem by stainless-steel tube and gas and is connected, for system provides source of the gas; Gas injects with control subsystem and is connected with porous gasket in the loading subsystem by stainless-steel tube, is the sample gas injection; The pipeline portions of gas injection and control subsystem is placed on Water Tank with Temp.-controlled and keeps constant temperature; Gas injects with the temperature sensor of the differential pressure gauge of control subsystem and pressure transducer and loading subsystem and deformation-sensor and is connected with capture card in the data acquisition subsystem by cable.Wherein, the source of the gas subsystem comprises gas cylinder, reduction valve, six-way valve; Gas injects with control subsystem and comprises stainless-steel tube, volume pump (totally 2), pressure transducer, differential pressure gauge, vacuum pump, vacuum meter, valve (totally 8), threeway (totally 4), four-way (totally 2); Load subsystem and comprise pressure chamber, sample, hydraulic oil, temperature sensor, porous gasket (totally 2), axial deformation sensor, radial deformation sensor, well heater; Data acquisition subsystem comprises cable, capture card, usb data line, computing machine.Each parts concrete structure annexation is as follows:
The source of the gas subsystem: gas cylinder is connected with reduction valve, is used to regulate the gaseous tension that comes out from gas cylinder; Reduction valve is connected with six-way valve, is used to select gaseous species.
Gas injects and control subsystem: a threeway is connected by the six-way valve of stainless-steel tube with the source of the gas subsystem; Threeway is connected with the air intake valve of upstream volume pump with the downstream volume pump respectively at two ends in addition, is used for inflating to volume pump; Upstream volume pump and the downstream volume pump valve of giving vent to anger respectively is used to control the volume pump gas injection; The volume pump valve of giving vent to anger in upstream is connected with a threeway; Threeway one end connects a valve, is used for the upstream and downstream pipeline connection, and the other end is connected with a four-way; Four-way one end connects differential pressure gauge, be used to measure the differential pressure of sample two ends pipeline, the other end connects a pressure transducer, be used to measure the pressure of upstream, pressure transducer is connected with data acquisition subsystem by cable with differential pressure gauge, be connected with a valve at last, be used for control to the sample gas injection; The volume pump valve of giving vent to anger in downstream is connected with a four-way; Four-way one end is connected with a valve, and this valve connects a threeway, and this end is connected the other end and connects vacuum pump with vacuum pump, be used for system is vacuumized, the four-way other end links to each other with the valve that is connected the upstream and downstream pipeline, and four-way connects a valve at last, and this valve is used for control to the sample gas injection.
Load subsystem: the sample two ends contact with porous gasket respectively, are used for to the even gas injection of sample; Two porous gaskets inject with gas by stainless-steel tube respectively and are connected with the upstream and downstream pipeline of control subsystem; Lay well heater and temperature sensor in the pressure chamber, be used for to pressure chamber's heating and mensuration pressure indoor temperature; Specimen surface is laid axial deformation sensor and radial deformation sensor, the distortion that is used to measure sample; Temperature sensor, axial deformation sensor and radial deformation sensor are connected with data acquisition subsystem by cable.
Data acquisition subsystem: capture card is connected with computing machine by the usb data line.
Water Tank with Temp.-controlled: the pipeline portions of gas injection and control subsystem is placed on Water Tank with Temp.-controlled and keeps constant temperature.
The present invention has the following advantages and good effect:
1, a kind of material adsorbance-distortion-osmotic coefficient measurement method, distortion directly obtains by measuring in this method, adsorbance and infiltration coefficient by measurement data by simply calculating; Principle is simply correct, and the result is accurately credible.
2, a kind of material adsorbance-distortion-infiltration coefficient measurement mechanism, this device is measured adsorbance and flow with two volume pumps, measures differential pressure with differential pressure gauge, measures distortion with deformation-sensor simultaneously; Principle is simple, and clear in structure is easy and simple to handle.
3, use when the present invention carries out material adsorbance, distortion, infiltration coefficient and measure, make original needs carry out several times test once, finish simultaneously, saved test period and cost greatly.
Description of drawings
Fig. 1 is a kind of material adsorbance-distortion-infiltration coefficient measurement mechanism structural representation, wherein:
1-source of the gas subsystem (comprising gas cylinder 1.1, reduction valve 1.2, six-way valve 1.3);
2-gas injects and control subsystem (comprising stainless-steel tube 2.1, upstream volume pump 2.2a, downstream volume pump 2.2b, pressure transducer 2.3, differential pressure gauge 2.4, vacuum pump 2.5, vacuum meter 2.6, valve 2.7 (8 of 2.7a, 2.7b, 2.7c, 2.7d, 2.7e, 2.7f, 2.7g, 2.7h), threeway 2.8 (comprising 4 of 2.8a, 2.8b, 2.8c, 2.8d), four-way 2.9 (2 of 2.9a, 2.9b)) totally totally totally;
3-loads subsystem (comprising pressure chamber 3.1, sample 3.2, hydraulic oil 3.3, temperature sensor 3.4, porous gasket 3.5 (totally 2 of 3.4a, 3.4b), axial deformation sensor 3.6, radial deformation sensor 3.7, well heater 3.8);
4-data acquisition subsystem (comprising cable 4.1 (totally 5 of 4.1a, 4.1b, 4.1c, 4.1d, 4.1e), capture card 4.1 (totally 2 of 4.2a, 4.2b), usb data line (totally 2 of 4.3a, 4.3b), computing machine 4.4);
The 5-Water Tank with Temp.-controlled.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing:
The measuring method of a kind of material adsorbance-distortion-infiltration coefficient is as follows:
1, materials processing is become cylindrical sample 3.2;
2, cylindrical sample 3.2 and porous gasket 3.5a, 3.5b are wrapped up with encapsulant, be placed in then in the pressure chamber 3.1, and in pressure chamber 3.1, install temperature sensor 3.4, axial deformation sensor 3.6, radial deformation sensor 3.7, well heater 3.8, connect the gas injection pipeline that is connected with cylindrical sample 3.2 two ends porous gasket 3.5a, 3.5b in the pressure chamber 3.1, in pressure chamber 3.1, fill with hydraulic oil 3.3;
3, gas in upstream volume pump 2.2a and the downstream volume pump 2.2b is all discharged, this moment, upstream volume pump 2.2a and downstream volume pump 2.2b piston were pushed into top, six-way valve 1.3 is transferred to off-position, open all valves 2.7 in the pipeline, start vacuum pump 2.5, system vacuumizes to whole test;
4, close the valve 2.7f that is connected with vacuum pump 2.5, close vacuum pump 2.5, close upstream volume pump 2.2a valve 2.7b and the downstream volume pump 2.2b valve 2.7e that gives vent to anger that gives vent to anger, six-way valve 1.3 is transferred to helium (He) gas cylinder position, charge into He (about 300-500ml gets final product) for upstream volume pump 2.2a and downstream volume pump 2.2b, close upstream volume pump 2.2a air intake valve 2.7c and downstream volume pump 2.2b air intake valve 2.7d, upstream volume pump 2.2a and downstream volume pump 2.2b are set to constant voltage mode, and the force value of upstream volume pump 2.2a and downstream volume pump 2.2b equates, writes down the body and the force value of gas in upstream volume pump 2.2a and the downstream volume pump 2.2b respectively;
5, give hydraulic oil 3.3 pressurizations in the pressure chamber 3.1, the size of pressure is decided according to concrete testing program;
6, close the valve 2.7g that connects the upstream and downstream pipeline, open upstream volume pump 2.2a valve 2.7b and the downstream volume pump 2.2b valve 2.7e that gives vent to anger that gives vent to anger, beginning is to sample 3.2 gas injections;
7, treat that upstream volume pump 2.2a and downstream volume pump 2.2b internal pressure are stable after, write down the pressure and the volume of gas in upstream volume pump 2.2a and the downstream volume pump 2.2b;
8, the difference of the volume of gas was the dead volume of system during the volume and the 7th of gas went on foot in the 4th step;
9, six-way valve 1.3 is transferred to the emptying position, gas in upstream volume pump 2.2a and the downstream volume pump 2.2b is all discharged, this moment, upstream volume pump 2.2a and downstream volume pump 2.2b piston were pushed into top, six-way valve 1.3 is transferred to off-position, open all valves 2.7 in the pipeline, start vacuum pump 2.5, system vacuumizes to whole test;
10, close the valve 2.7f that is connected with vacuum pump 2.5, close vacuum pump 2.5, close upstream volume pump 2.2a valve 2.7b and the downstream volume pump 2.2b valve 2.7e that gives vent to anger that gives vent to anger, six-way valve 1.3 is transferred to carbon dioxide (CO 2) the gas cylinder position, be full of CO for upstream volume pump 2.2a and downstream volume pump 2.2b 2Close upstream volume pump 2.2a air intake valve 2.7c and downstream volume pump 2.2b air intake valve 2.7d, upstream volume pump 2.2a and downstream volume pump 2.2b are set to constant voltage mode, the size of pressure is decided according to concrete testing program, and the force value that the pressure of upstream volume pump 2.2a is a bit larger tham downstream volume pump 2.2b, pressure reduction is Δ P, CO in record upstream volume pump 2.2a and the downstream volume pump 2.2b 2The volume of gas and force value;
11, give hydraulic oil 3.2 pressurizations in the pressure chamber 3.1, the size of pressure is decided according to concrete testing program;
12, close the valve 2.7g that connects the upstream and downstream pipeline, open upstream volume pump 2.2a valve 2.7b and the downstream volume pump 2.2b valve 2.7e that gives vent to anger that gives vent to anger, beginning is to sample 3.2 gas injections;
13, the rate of change of gas volume in record upstream volume pump 2.2a and the downstream volume pump 2.2b, the data of gathering differential pressure gauge 2.3, axial deformation sensor 3.6, radial deformation sensor 3.7;
14, when volume pump 2.2a gas injection speed in upstream equated with downstream volume pump 2.2b gettering rate, the absorption of material promptly reached balance, writes down this speed, the volume of gas in the reading of differential pressure gauge and upstream volume pump 2.2a and the downstream volume pump 2.2b;
15, CO in the 10th step 2Volume and the 14th the step in CO 2Volume and the difference of system's dead volume be the material CO absorption 2The amount of gas, distortion can directly be obtained by sensor, and infiltration coefficient can be tried to achieve by speed and differential pressure in the 14th step according to Darcy's law;
16, the setup pressure value that changes the 10th step middle and upper reaches volume pump 2.2a and downstream volume pump 2.2b can be measured material CO absorption under the different pressures 2The amount of gas, distortion and infiltration coefficient;
17, repetition the 3rd and the 10-15 step respectively once transfers to other gas cylinder position with six-way valve 1.3 in the 10th step, can measure adsorbance, distortion and the infiltration coefficient of material to other gas.
A kind of material adsorbance-distortion-infiltration coefficient measurement mechanism comprises that mainly source of the gas subsystem 1, gas inject with control subsystem 2, load subsystem 3, data acquisition subsystem 4 and Water Tank with Temp.-controlled 5.It is characterized in that: source of the gas subsystem 1 injects with the interior threeway 2.8d of control subsystem 2 by stainless-steel tube 2.1 and gas and is connected, for system provides source of the gas; Gas injects with control subsystem 2 and is connected by the interior porous gasket 3.5 of stainless-steel tube 2.1 and loading subsystem 3, is the sample gas injection; The pipeline portions of gas injection and control subsystem 2 is placed on Water Tank with Temp.-controlled 5 and keeps constant temperature; Gas injects with the differential pressure gauge 2.4 of control subsystem 2 and pressure transducer 2.3 and is connected by the interior capture card 4.2a of cable 4.1e and 4.1d and data acquisition subsystem 4 respectively; The temperature sensor 3.4, axial deformation sensor 3.6 and the radial deformation sensor 3.7 that load in the subsystem 3 are connected by cable 4.1a, 4.1b and 4.1c and the data acquisition subsystem 4 second interior capture card 4.2b respectively.Wherein, source of the gas subsystem 1 comprises gas cylinder 1.1, reduction valve 1.2, six-way valve 1.3; Gas injects with control subsystem 2 and comprises stainless-steel tube 2.1, upstream volume pump 2.2a and downstream volume pump 2.2b, pressure transducer 2.3, differential pressure gauge 2.4, vacuum pump 2.5, vacuum meter 2.6, valve 2.7 (totally 8 of 2.7a, 2.7b, 2.7c, 2.7d, 2.7e, 2.7f, 2.7g, 2.7h), threeway 2.8 (totally 4 of 2.8a, 2.8b, 2.8c, 2.8d), four-way 2.9 (totally 2 of 2.9a, 2.9b); Load subsystem 3 and comprise pressure chamber 3.1, sample 3.2, hydraulic oil 3.3, temperature sensor 3.4, porous gasket (totally 2 of 3.5a, 3.5b), axial deformation sensor 3.6, radial deformation sensor 3.7, well heater 3.8; Data acquisition subsystem 4 comprises cable 4.1 (totally 5 of 4.1a, 4.1b, 4.1c, 4.1d, 4.1e), capture card 4.2 (totally 2 of 4.2a, 4.2b), usb data line 4.3 (totally 2 of 4.3a, 4.3b), computing machine 4.4.Each parts concrete structure annexation is as follows:
Source of the gas subsystem 1 (existing product): gas cylinder 1.1 (two) is connected with reduction valve 1.2 (two), is used to regulate the gaseous tension that comes out from gas cylinder 1.1; Reduction valve 1.2 is connected with six-way valve 1.3, is used to select gaseous species.
Gas injects and control subsystem 2, and its annexation is: threeway 2.8d is connected with six-way valve 1.3 in the source of the gas subsystem 1 by stainless-steel tube 2.1; Threeway 2.8d two ends are connected with the air intake valve 2.7d of upstream volume pump 2.2a air intake valve 2.7c and downstream volume pump 2.2b respectively, are used for upstream volume pump 2.2a and downstream volume pump 2.2b inflation; The upstream volume pump 2.2a valve 2.7b that gives vent to anger, the downstream volume pump 2.2b valve 2.7e that gives vent to anger is respectively applied for control upstream volume pump 2.2a and downstream volume pump gas injection; The volume pump 2.2a valve 2.7b that gives vent to anger in upstream is connected with threeway 2.8a; Threeway 2.8a one end connects a valve 2.7g, is used for the upstream and downstream pipeline connection, and the threeway 2.8a other end is connected with a four-way 2.9a; Four-way 2.9a one end connects differential pressure gauge 2.4, be used to measure the differential pressure of sample 3.2 two ends pipelines, the four-way 2.9a other end connects a pressure transducer 2.3, be used to measure the pressure of upstream, pressure transducer 2.3 is connected with data acquisition subsystem 4 by cable 4.1d, differential pressure gauge 2.4 is connected with data acquisition subsystem 4 by cable 4.1e, and differential pressure gauge 2.4 is connected with valve 2.7a at last, is used for control to sample 3.2 gas injections; The volume pump 2.2b valve 2.7e that gives vent to anger in downstream is connected with four-way 2.9b; Four-way 2.9b one end is connected with valve 2.7f, valve 2.7f connects threeway 2.8c, threeway 2.8c one end is connected with vacuum meter 2.6, the threeway 2.8c other end is connected with vacuum pump 2.5, be used for system is vacuumized, the four-way 2.9b other end links to each other with the valve 2.7g that is connected the upstream and downstream pipeline, and four-way 2.9b is connected with valve 2.7h, and valve 2.7h is used for control to sample 3.2 gas injections.
Load subsystem 3: sample 3.2 two ends contact with porous gasket 3.5a, 3.5b respectively, are used for to sample 3.2 even gas injections; Two porous gasket 3.5a, 3.5b inject with gas by stainless-steel tube 2.1 respectively and are connected with the upstream and downstream pipeline of control subsystem 2; Lay well heater 3.8 and temperature sensor 3.4 in the pressure chamber 3.1, be used for to temperature in pressure chamber's 3.1 heating and the mensuration pressure chamber 3.1; Sample 3.2 surface mount have axial deformation sensor 3.6 and radial deformation sensor 3.7, the distortion that is used to measure sample 3.2; Temperature sensor 3.4 by cable 4.1a is connected with the capture card 4.2b of data acquisition subsystem 4, axial deformation sensor 3.6 passes through cable 4.1b and is connected with the capture card 4.2b of data acquisition subsystem 4, radial deformation sensor 3.7 passes through cable 4.1c and is connected with the capture card 4.2b of data acquisition subsystem 4.
Data acquisition subsystem 4: capture card 4.2a is connected with computing machine 4.4 by usb data line 4.3a, and capture card 4.2b is connected with computing machine 4.4 by usb data line 4.3b.
Water Tank with Temp.-controlled 5: the pipeline portions of gas injection and control subsystem 2 is placed on Water Tank with Temp.-controlled 5 and keeps steady temperature.

Claims (2)

1. the device that a material adsorbance-distortion-infiltration coefficient is measured, it is characterized in that: comprise source of the gas subsystem (1), gas injects and control subsystem (2), load subsystem (3), data acquisition subsystem (4) and Water Tank with Temp.-controlled (5), it is characterized in that: source of the gas subsystem (1) injects with interior the 4th threeway (2.8d) of control subsystem (2) by stainless-steel tube (2.1) and gas and is connected, gas injects with control subsystem (2) and is connected by stainless-steel tube (2.1) first porous gasket (3.5a) and second porous gasket (3.5b) interior with loading subsystem (3), gas injects and the pipeline of control subsystem (2) is placed on Water Tank with Temp.-controlled (5), gas injects with the differential pressure gauge (2.4) of control subsystem (2) and is connected by interior first capture card (4.2a) of the 5th cable (4.1e) and the 4th cable (4.1d) and data acquisition subsystem (4) respectively with pressure transducer (2.3), loads the temperature sensor (3.4) in the subsystem (3), axial deformation sensor (3.6) and radial deformation sensor (3.7) are respectively by first cable (4.1a), second cable (4.1b), second capture card (4.2b) in the 3rd cable (4.1c) and the data acquisition subsystem (4) is connected;
Described gas injects with control subsystem (2) and comprises stainless-steel tube (2.1), upstream volume pump (2.2a), downstream volume pump (2.2b), pressure transducer (2.3), differential pressure gauge (2.4), vacuum pump (2.5), first valve (2.7a), second valve (2.7b), the 3rd valve (2.7c), the 4th valve (2.7d), the 5th valve (2.7e), the 6th valve (2.7f), the 7th valve (2.7g) and the 8th valve (2.7h), first threeway (2.8a), second threeway (2.8b), the 3rd threeway (2.8c), the 4th threeway (2.8d), first four-way (2.9a), second four-way (2.9b), the 4th threeway (2.8d) is connected with six-way valve (1.3) in the source of the gas subsystem (1) by stainless-steel tube (2.1); The 4th threeway (2.8d) two ends are connected with the 4th valve (2.7d) with the 3rd valve (2.7c) respectively, and second valve (2.7b) is connected with first threeway (2.8a); First threeway (2.8a) end connects the 7th valve (2.7g), and first threeway (2.8a) other end is connected with first four-way (2.9a); First four-way (2.9a) end connects differential pressure gauge (2.4), first four-way (2.9a) other end connects pressure transducer (2.3), pressure transducer (2.3) is connected with data acquisition subsystem (4) by the 4th cable (4.1d), differential pressure gauge (2.4) is connected with data acquisition subsystem (4) by the 5th cable (4.1e), first four-way (2.9a) is connected with first valve (2.7a), the 5th valve (2.7e) is connected with second four-way (2.9b), second four-way (2.9b) end is connected with the 6th valve (2.7f), the 6th valve (2.7f) connects the 3rd threeway (2.8c), the 3rd threeway (2.8c) end is connected with vacuum meter (2.6), the 3rd threeway (2.8c) other end is connected with vacuum pump (2.5), second four-way (2.9b) other end links to each other with the 7th valve (2.7g) that is connected the upstream and downstream pipeline, and second four-way (2.9b) connects the 8th valve (2.7h); Described loading subsystem (3) comprises pressure chamber (3.1), sample (3.2), hydraulic oil (3.3), temperature sensor (3.4), first porous gasket (3.5a), second porous gasket (3.5b), axial deformation sensor (3.6), radial deformation sensor (3.7), well heater (3.8), and first porous gasket (3.5a) injects with gas by stainless-steel tube (2.1) respectively with second porous gasket (3.5b) and is connected with the upstream and downstream pipeline of control subsystem (2); Lay well heater (3.8) and temperature sensor (3.4) in the pressure chamber (3.1), temperature sensor (3.4) is connected with second capture card (4.2b) in the data acquisition subsystem (4) by first cable (4.1a), axial deformation sensor (3.6) is connected with second capture card (4.2b) in the data acquisition subsystem (4) by second cable (4.1b), and radial deformation sensor (3.7) passes through the 3rd cable (4.1c) and is connected with second capture card (4.2b) in the data acquisition subsystem (4); Described data acquisition subsystem (4) comprises first cable (4.1a), second cable (4.1b), the 3rd cable (4.1c), the 4th cable (4.1d), the 5th cable (4.1e), first capture card (4.2a), second capture card (4.2b), the first usb data line (4.3a), the second usb data line (4.3b), first capture card (4.2a) is connected with computing machine (4.4) by the first usb data line (4.3a), and second capture card (4.2b) is connected with computing machine (4.4) by the second usb data line (4.3b).
2. method of utilizing the described measurement device material adsorbance of claim 1-distortion-infiltration coefficient, it may further comprise the steps:
1), materials processing is become cylindrical sample (3.2);
2), cylindrical sample (3.2) and first porous gasket (3.5a) and second porous gasket (3.5b) are wrapped up with encapsulant, be placed in the pressure chamber (3.1), in pressure chamber (3.1), install temperature sensor (3.4), axial deformation sensor (3.6), radial deformation sensor (3.7), well heater (3.8), connect the gas injection pipeline that is connected with second porous gasket (3.5b) with cylindrical sample (3.2) two ends first porous gaskets (3.5a) in the pressure chamber (3.1), in pressure chamber (3.1), fill with hydraulic oil (3.3);
3), upstream volume pump (2.2a) and the interior gas of downstream volume pump (2.2b) are discharged, upstream volume pump (2.2a) and downstream volume pump (2.2b) piston are pushed into top, six-way valve (1.3) is transferred to off-position, open first valve (2.7a), second valve (2.7b), the 3rd valve (2.7c), the 4th valve (2.7d), the 5th valve (2.7e), the 6th valve (2.7f), the 7th valve (2.7g), the 8th valve (2.7h) in the pipeline, start vacuum pump (2.5), vacuumize to system;
4), close the 6th valve (2.7f) that is connected with vacuum pump (2.5), close vacuum pump (2.5), close second valve (2.7b) and the 5th valve (2.7e), six-way valve (1.3) is transferred to helium gas cylinder position, charge into He for upstream volume pump (2.2a) and downstream volume pump (2.2b), close the 3rd valve (2.7c) and the 4th valve (2.7d), upstream volume pump (2.2a) and downstream volume pump (2.2b) are set to constant voltage mode, the force value of upstream volume pump (2.2a) and downstream volume pump (2.2b) equates, writes down the volume and the force value of upstream volume pump (2.2a) and the interior gas of downstream volume pump (2.2b) respectively;
5), give the interior hydraulic oil in pressure chamber (3.1) (3.3) pressurization;
6), close the 7th valve (2.7g) that connects the upstream and downstream pipeline, open second valve (2.7b) and the 5th valve (2.7e), begin to sample (3.2) gas injection;
7), upstream volume pump (2.2a) and downstream volume pump (2.2b) internal pressure stable after, write down the pressure and the volume of upstream volume pump (2.2a) and the interior gas of downstream volume pump (2.2b);
8) difference of the volume of gas was the dead volume of system during, the volume and the 7th of gas went on foot in the 4th step;
9), six-way valve (1.3) is transferred to the emptying position, upstream volume pump (2.2a) and the interior gas of downstream volume pump (2.2b) are all discharged, upstream volume pump (2.2a) and downstream volume pump (2.2b) piston are pushed into the top, six-way valve (1.3) is transferred to off-position, open first valve (2.7a) in the pipeline, second valve (2.7b), the 3rd valve (2.7c), the 4th valve (2.7d), the 5th valve (2.7e), the 6th valve (2.7f), the 7th valve (2.7g) and the 8th valve (2.7h), start vacuum pump (2.5), system vacuumizes to whole test;
10), close the 6th valve (2.7f) that is connected with vacuum pump (2.5), close vacuum pump (2.5), close second valve (2.7b), the 5th valve (2.7e), six-way valve (1.3) is transferred to the dioxide bottle position, be full of CO for upstream volume pump (2.2a) and downstream volume pump (2.2b) 2Close the 3rd valve (2.7c) and the 4th valve (2.7d), upstream volume pump (2.2a) and downstream volume pump (2.2b) are set to constant voltage mode, the pressure of upstream volume pump (2.2a) writes down upstream volume pump (2.2a) and the interior CO of downstream volume pump (2.2b) greater than the force value of downstream volume pump (2.2b) 2The volume of gas and force value;
11), give the interior hydraulic oil in pressure chamber (3.1) (3.3) pressurization;
12), close the 7th valve (2.7g) that connects the upstream and downstream pipeline, open second valve (2.7b) and the 5th valve (2.7e), begin to sample (3.2) gas injection;
13), the rate of change of record upstream volume pump (2.2a) and the interior gas volume of downstream volume pump (2.2b), the data of collection differential pressure gauge (2.3), axial deformation sensor (3.6), radial deformation sensor (3.7);
14), when upstream volume pump (2.2a) gas injection speed and downstream volume pump (2.2b) when gettering rate equates, the absorption of material reaches balance, write down this speed, the volume and the force value of the reading of differential pressure gauge and upstream volume pump (2.2a) and the interior gas of downstream volume pump (2.2b);
15), CO in the 10th step 2Volume and the 14th the step in CO 2Volume and the difference of system's dead volume be the material CO absorption 2The amount of gas, distortion is directly obtained by sensor, and infiltration coefficient is tried to achieve by speed and differential pressure in the 14th step according to Darcy's law;
16), change the setup pressure value of the 10th step middle and upper reaches volume pumps (2.2a) and downstream volume pump (2.2b), material CO absorption under the measurement different pressures 2The amount of gas, distortion and infiltration coefficient;
17), repeat the 3rd and the 10-15 step each once, in the 10th step six-way valve (1.3) is transferred to other gas cylinder position, described gas cylinder comprises nitrogen gas cylinder and methane gas cylinder, measures adsorbance, distortion and the infiltration coefficient of material to other gas.
CN2008101978124A 2008-11-24 2008-11-24 Method and apparatus for measuring adsorbance-deformation-permeability coefficients of material Expired - Fee Related CN101408493B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008101978124A CN101408493B (en) 2008-11-24 2008-11-24 Method and apparatus for measuring adsorbance-deformation-permeability coefficients of material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008101978124A CN101408493B (en) 2008-11-24 2008-11-24 Method and apparatus for measuring adsorbance-deformation-permeability coefficients of material

Publications (2)

Publication Number Publication Date
CN101408493A CN101408493A (en) 2009-04-15
CN101408493B true CN101408493B (en) 2011-04-06

Family

ID=40571593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008101978124A Expired - Fee Related CN101408493B (en) 2008-11-24 2008-11-24 Method and apparatus for measuring adsorbance-deformation-permeability coefficients of material

Country Status (1)

Country Link
CN (1) CN101408493B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101718666B (en) * 2009-12-17 2011-06-15 中国航天科技集团公司第五研究院第五一○研究所 Metal system for testing outgassing property of low-temperature material
CN101839841B (en) * 2010-04-08 2012-07-11 西南石油大学 Adsorption/desorption experimental apparatus and method for gas in rock pore
CN101929939B (en) * 2010-08-06 2013-03-13 中联煤层气国家工程研究中心有限责任公司 Method for detecting diffusion coefficient of coal bed gas in coal matrix
CN101975718B (en) * 2010-08-13 2012-11-14 中国科学院山西煤炭化学研究所 Method for simultaneously measuring high-pressure gas adsorption capacity and adsorption swell capacity of coal petrography and measuring equipment
CN101975735B (en) * 2010-09-09 2012-05-16 西北工业大学 Device for measuring permeability of porous materials in multi-field coupling and measuring method thereof
CN101975734B (en) * 2010-09-09 2012-05-30 西北工业大学 Measuring device for fluid-solid-heat multi-field coupling permeability of porous material and measuring method thereof
CN102539278B (en) * 2010-12-08 2014-09-03 中国石油天然气股份有限公司 Method and device for measuring adsorption capacities of materials
CN102252951B (en) * 2011-07-14 2013-03-06 中国科学院武汉岩土力学研究所 High-temperature fractured rock mass permeation test device and method
CN103234860B (en) * 2013-04-28 2015-04-01 扬州大学 Carbon dioxide adsorption isotherm precision testing method
CN103207129B (en) * 2013-04-28 2015-04-01 扬州大学 Sample chamber for testing adsorption isotherm of material
CN103245596A (en) * 2013-05-14 2013-08-14 南京工程学院 Method for determining gas permeability coefficient of concrete
CN103424345B (en) * 2013-07-31 2016-06-22 广州市香港科大霍英东研究院 Actively control water system of Migration mark in porous media
CN103616317B (en) * 2013-12-16 2016-03-30 南京工业大学 A kind of fully-automatic equipment of assaying reaction heap material helium diffuse coefficient and method
CN107817202A (en) * 2017-10-23 2018-03-20 泉州装备制造研究所 Rock mass characteristic Experiment Parameter device and application method under microwave radiation
CN107796746A (en) * 2017-12-12 2018-03-13 南通星球石墨设备有限公司 A kind of material permeability coefficient detection means
CN108152456B (en) * 2017-12-21 2019-12-31 北京航空航天大学 System and method for measuring adsorption and desorption rate of gas on surface of material
CN109991043B (en) * 2017-12-31 2022-07-05 中国人民解放军63653部队 Differential pressure type gas taking measurement system based on high-temperature tube type atmosphere furnace
DE102020001473A1 (en) * 2019-12-11 2021-06-17 Daimler Ag Method for filling a hydraulic system with a hydraulic fluid
CN111426608B (en) * 2020-03-31 2021-05-25 上海交通大学 Testing arrangement is collected in migration of crosslinked polyethylene insulated cable accessory substance
CN114441586B (en) * 2022-01-27 2023-10-27 天津大学 Experimental device capable of accurately measuring high-pressure volume change rate of phase-change material

Also Published As

Publication number Publication date
CN101408493A (en) 2009-04-15

Similar Documents

Publication Publication Date Title
CN101408493B (en) Method and apparatus for measuring adsorbance-deformation-permeability coefficients of material
CN103940722B (en) The proving installation of a kind of gas bearing shale factor of porosity and absorption parameter and method
CN102353625B (en) Method for measuring overburden porosity with water in permeation fluid mechanics experiment
CN201532351U (en) Device for utilizing variable-volume pressure pulse method to test gas permeation coefficients of rocks
CN104596905B (en) Device and method for measuring permeability of rock in fracturing process
CN103674799B (en) The device and method of a kind of mensurated gas composition axial diffusion coefficient in porous medium
CN104374683B (en) A kind of rock core pore compressibility test device and its method of testing
CN111272635A (en) Rock porosity and permeability combined test device and test method under triaxial condition
CN102297829B (en) Method and device for measuring gas adsorption quantity and adsorption deformation of coal rock under stress condition
CN104849194B (en) The three axle seepage stress temperature creep coupling experiment devices based on digital picture
CN105158144B (en) A kind of matrix of coal deformation mechanics parameter test method
CN201307085Y (en) Device for measuring adsorption capability, deformation and permeability coefficient of material
CN210264648U (en) Multifunctional rock core displacement device
CN203929557U (en) A kind of gas bearing shale crack develops and seepage flow characteristics proving installation
CN106525644A (en) Shale matrix gas mass-transfer characteristic parameter measuring equipment
CN103913409A (en) Method for measuring gas permeation coefficient of compact rock under three dimensional stress condition
CN108316916A (en) Mining pressure drop under different conditions of coal bed gas reservoir controls simulation experiment method
CN111272636A (en) Device and method for measuring rock porosity under different kinds of stress
CN103983533A (en) Test device and test method for crack evolution and seepage characteristic of gas-containing shale
CN109946215A (en) A kind of original position coal body gas absorption amount test simulator
CN110686952A (en) Method for quickly establishing pressure storage layer of full-diameter rock core of tight gas reservoir
CN109991120A (en) Rock covers isothermal adsorption/desorption and displacement test equipment and method under press strip part
CN212364011U (en) Rock porosity and permeability combined testing device under triaxial condition
CN105004650B (en) Gas permeation test method in hypotonic rock secular distortion under vapor heat mechanics coupling effect
CN203929583U (en) The proving installation of a kind of gas bearing shale factor of porosity and absorption parameter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110406

Termination date: 20161124

CF01 Termination of patent right due to non-payment of annual fee