CN109900591A - Test device for desorption and test method - Google Patents
Test device for desorption and test method Download PDFInfo
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- CN109900591A CN109900591A CN201910252465.9A CN201910252465A CN109900591A CN 109900591 A CN109900591 A CN 109900591A CN 201910252465 A CN201910252465 A CN 201910252465A CN 109900591 A CN109900591 A CN 109900591A
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Abstract
It includes: desorption apparatus that the embodiment of the present invention, which provides a kind of test device for desorption and test method, device, for desorbing to sample to be tested；Exhaust apparatus, the gas discharge for desorbing desorption apparatus；Gas collecting apparatus is drained, for being collected to the gas that exhaust apparatus is discharged；Gas operated device, for draining the gas export of gas collecting apparatus collection；Gas sample collecting device for air, for being acquired to gas derived from gas operated device；Wherein, exhaust apparatus is connect with desorption apparatus plug-in；Draining gas collecting apparatus is connect with exhaust apparatus；Gas operated device is connect with draining gas collecting apparatus；Gas sample collecting device for air is connect with gas operated device plug-in.Test device for desorption provided by the embodiment of the present invention provides equipment support efficiently to obtain desorption gas, so that can efficiently carry out desorption experiment by the test device for desorption.
Description
Technical field
The present invention relates to machinery field more particularly to a kind of test device for desorption and test methods.
Background technique
With the development of national economy, coal is constituted as main energy sources will continue some times with supply form, adopt
The discharge of a large amount of gas can make greenhouse effects more serious during coal, can threaten entire natural ecological safety.The mankind couple
Novel, clean energy demand is increasing, thus the first coal gas in coal seam is as a kind of novel, clean energy resource and coal mining process
The methane drainage and utilization project of middle gas has received widespread attention.And China have coal bed gas abundant (gas) resource, cbm development and
The extraction of gas is handy to alleviation China's petroleum resources anxiety status, mitigation mine disaster degree, reduction greenhouse gas emission etc.
Coal bed gas (gas) gas desorption quantity for all having significance, therefore how accurately evaluating coal seam be cbm development in situ with
Important topic during coal field gas control.
Coal bed gas (gas) desorption apparatus in the prior art coal seam carry out coal bed gas (gas) desorption experiment during,
First coal bed gas is desorbed, obtains gas component data, deducts air after obtaining gas component data, then using normalization
Method is handled, and obtains actual gas component.
But current desorption apparatus first desorbs the gas component data with air, then at deduction air method
The scheme of reason leads to desorption experiment, and time-consuming, desorption effect is poor, device leakproofness is poor, and can not realize sampling to desorption gas sample.
Summary of the invention
The present invention provides a kind of test device for desorption and test method, to promote the efficiency for carrying out desorption experiment.
First aspect present invention provides a kind of test device for desorption, comprising:
Desorption apparatus, for being desorbed to sample to be tested；
Exhaust apparatus, the gas discharge for desorbing the desorption apparatus；
Gas collecting apparatus is drained, the gas for the exhaust apparatus to be discharged is collected；
Gas operated device, the gas export collected for the draining gas collecting apparatus；
Gas sample collecting device for air, for being acquired to gas derived from the gas operated device；
Wherein, the exhaust apparatus is connect with the desorption apparatus plug-in；The draining gas collecting apparatus and the exhaust
Device connection；The gas operated device is connect with the draining gas collecting apparatus；The gas sample collecting device for air and the gas operated device are inserted
Pull out formula connection.
Optionally, the desorption apparatus includes solving cucurbitula and the desorption cover with the solution mating setting of cucurbitula；
Wherein, the solution cucurbitula and the desorption cover form sealing cavity after fastening；
The desorption cover includes cover and rubber mat, and the elastic mounting is in the center position of cover, and the rubber mat
Surface of the fitting with the cover departing from the solution cucurbitula is arranged.
Optionally, the exhaust apparatus includes exhaust hose and first puncture needle head；
Wherein, spring clip is provided on the exhaust hose；
The first puncture needle head is fixed on one end of exhaust hose；
The first puncture needle head is used for across the rubber mat and protrudes into the solution cucurbitula.
Optionally, the draining gas collecting apparatus includes sink and graduated cylinder；
The opening of the sink and the opening of the graduated cylinder are oppositely arranged, and the opening of the graduated cylinder stretches to the sink
It is interior；
The exhaust hose stretches in the graduated cylinder far from one end of the first puncture needle head.
Optionally, the gas operated device includes conduit, emulsion tube and second puncture needle head；
One end of the conduit is connected with the bottom end of the graduated cylinder；
The other end of the conduit is connected with the emulsion tube；
The one end of the emulsion tube far from the conduit is connected with the second puncture needle head.
Optionally, the gas sample collecting device for air includes vacuum gas bottle and bottle stopper；
Wherein, the vacuum gas bottle and the bottle stopper form sealing cavity after fastening；It is arranged in the vacuum gas bottle
Vacuum；The bottle stopper is rubber plug, and the second puncture needle head is used for across the bottle stopper and stretches to the vacuum gas bottle
Cavity.
Optionally, the solution cucurbitula includes outer tank and inner canister, and interlayer cavity, the folder are formed between the outer tank and inner canister
It is filled with conductive fluid in layer cavity, is additionally provided with heating wire in the interlayer cavity；
The desorption cover is provided with thermometer and first pressure meter.
Optionally, the draining gas collecting apparatus further includes support bracket；
Hanging ring is provided on the support bracket, the hanging ring is connected with the bottom end of the graduated cylinder.
Optionally, it is provided with control valve on the conduit, the junction of the conduit and the emulsion tube is provided with interface
Sealing valve.
Optionally, second pressure meter is provided on the bottle stopper.
Second aspect of the present invention provides a kind of experimental method, is applied to described in any item test device for desorption, the side
Method includes:
Preliminary step: in the desorption apparatus, the exhaust apparatus, the draining gas collecting apparatus and the gas operated device
In be full of water；
Coal sample desorption procedure: coal sample is put into the desorption apparatus, the coal sample is solved in the desorption apparatus
It inhales；
Coal bed gas collection step: the coal bed gas desorbed in the desorption apparatus is passed through described in drainage arrangement input
Drain gas collecting apparatus；
Coal bed gas sample acquisitions step: the coal bed gas of the draining gas collecting apparatus is sent into the gas collecting device.
The embodiment of the invention provides test device for desorption and test methods, in provided test device for desorption, packet
It includes: desorption apparatus, for being desorbed to sample to be tested；Exhaust apparatus, the gas discharge for desorbing desorption apparatus；
Gas collecting apparatus is drained, for being collected to the gas that exhaust apparatus is discharged；Gas operated device, for draining gas collecting apparatus collection
Gas export；Gas sample collecting device for air, for being acquired to gas derived from gas operated device；Wherein, exhaust apparatus and desorption fill
Set plug-in connection；Draining gas collecting apparatus is connect with exhaust apparatus；Gas operated device is connect with draining gas collecting apparatus；Gas sample acquisition dress
It sets and is connect with gas operated device plug-in.Then exemplary, test device for desorption through the embodiment of the present invention carries out coal sample desorption examination
When testing, first it will can be full of water in desorption apparatus, exhaust apparatus, draining gas collecting apparatus and gas operated device, then carry out coal sample desorption,
Coal sample desorbs in desorption apparatus, and the coal bed gas desorbed is discharged by exhaust apparatus into draining gas collecting apparatus, drains gas collection
Coal bed gas is collected by device by draining water gathering of gas law, and the coal bed gas after collection enters gas sample acquisition by gas operated device and fills
It sets, completes the desorption and acquisition of coal bed gas, due to all not having air in each device, effectively prevent air and be mixed into
In coal bed gas, to efficiently obtain actual coal bed gas in coal sample, important guarantor is provided for gas-bearing property in accurate evaluation coal seam
Card.Namely test device for desorption provided by the embodiment of the present invention, equipment support is provided efficiently to obtain desorption gas, so that
By the test device for desorption, desorption experiment can be efficiently carried out.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the test device for desorption of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the solution cucurbitula of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the desorption cover of the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though XXX may be described in embodiments of the present invention using term first, second, third, etc., but
These XXX should not necessarily be limited by these terms.These terms are only used to for XXX being distinguished from each other out.For example, not departing from implementation of the present invention
In the case where example range, the first XXX can also be referred to as the 2nd XXX, and similarly, the 2nd XXX can also be referred to as the first XXX.
Depending on context, word as used in this " if ", " if " can be construed to " ... when " or
" when ... " or " in response to determination " or " in response to detection ".Similarly, context is depended on, phrase " if it is determined that " or " such as
Fruit detection (condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when detection (statement
Condition or event) when " or " in response to detection (condition or event of statement) ".
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements.
Test device for desorption provided by the embodiment of the present invention includes: desorption apparatus, for solving to sample to be tested
It inhales；Exhaust apparatus, the gas discharge for desorbing desorption apparatus；Gas collecting apparatus is drained, for what exhaust apparatus was discharged
Gas is collected；Gas operated device, for draining the gas export of gas collecting apparatus collection；Gas sample collecting device for air, for air guide
Gas derived from device is acquired；Wherein, exhaust apparatus is connect with desorption apparatus plug-in；It drains gas collecting apparatus and exhaust fills
Set connection；Gas operated device is connect with draining gas collecting apparatus；Gas sample collecting device for air is connect with gas operated device plug-in.It is then exemplary,
It, can be first by desorption apparatus, exhaust apparatus, row when test device for desorption through the embodiment of the present invention carries out coal sample desorption experiment
It is full of water in water gas collecting apparatus and gas operated device, then carries out coal sample desorption, coal sample desorbs in desorption apparatus, the coal seam desorbed
Gas is discharged by exhaust apparatus into draining gas collecting apparatus, and draining gas collecting apparatus is received coal bed gas by draining water gathering of gas law
Collection, the coal bed gas after collection enter gas sample collecting device for air by gas operated device, the desorption and acquisition of coal bed gas are completed, due to each
All do not have air in device therefore to effectively prevent air and be mixed into coal bed gas, to efficiently obtain actual in coal sample
Coal bed gas provides important guarantee for gas-bearing property in accurate evaluation coal seam.Namely desorption experiment provided by the embodiment of the present invention
Device provides equipment support efficiently to obtain desorption gas, so that can efficiently be desorbed by the test device for desorption
Test.
Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the structural schematic diagram of test device for desorption provided by the invention.As shown in Figure 1, desorption provided by the invention
Experimental rig includes:
Desorption apparatus 1, for being desorbed to sample to be tested；
Exhaust apparatus 2, the gas discharge for desorbing the desorption apparatus；
Gas collecting apparatus 3 is drained, the gas for the exhaust apparatus to be discharged is collected；
Gas operated device 4, the gas export collected for the draining gas collecting apparatus；
Gas sample collecting device for air 5, for being acquired to gas derived from the gas operated device；
Wherein, the exhaust apparatus 2 is connect with 1 plug-in of desorption apparatus；The draining gas collecting apparatus 3 and the row
Device of air 2 connects；The gas operated device 4 is connect with the draining gas collecting apparatus 3；The gas sample collecting device for air 5 and the air guide
The connection of 4 plug-in of device.
In concrete application, desorption apparatus 1 can be the tank body and lid that can constitute seal chamber, and the shape of tank body can be circle
Cylinder, cone, square, cuboid etc., lid is matched with tank body, and the embodiment of the present invention, which does not do desorption apparatus 1, to be had
Body limits.
Exhaust apparatus 2 can be exhaust pipe, and the material of exhaust pipe can be plastics, plastic cement etc., and one end of exhaust pipe can be with
It is connect with desorption apparatus 1, so that the gas in desorption apparatus 1 at desorption is discharged by exhaust apparatus 2.
Draining gas collecting apparatus 3 can be the device for being capable of forming air inlet discharge cycle, exemplary, can be and leads with air inlet
Mouth goes out conductance mouth and drains the tank body for leading mouth, and air inlet is led mouth and can be connect with exhaust apparatus 2, so that closed in conductance mouth out
In the case of, the gas of exhaust apparatus 2 can enter draining and its device 3, and the water in draining and its device 3 is discharged, can
To understand, those skilled in the art can determine the specific structure of draining gas collecting apparatus, the present invention according to actual application scenarios
Embodiment is not specifically limited in this embodiment.
Gas operated device 4 can be exhaust pipe, and the material of exhaust pipe can be plastics, plastic cement etc., and one end of gas operated device 4 can
To be connect with the conductance mouth that goes out of draining gas collecting apparatus 3, so that the gas collected in draining gas collecting apparatus 3 is led by gas operated device 4
Enter into gas collecting device 5.
Gas sample collecting device for air 5 can be the tank body and lid that can constitute seal chamber, and the shape of tank body can be cylindrical body, circle
Cone, square, cuboid etc., lid is matched with tank body, and the embodiment of the present invention does not do specific limit to gas sample collecting device for air 5
It is fixed, air inlet can be set in gas sample collecting device for air 5, so that the gas collected in draining gas collecting apparatus 3 is led by gas operated device 4
Enter into gas collecting device 5.
In the embodiment of the present invention, test device for desorption can be used for the desorption experiment to coal sample.Exemplary, above-mentioned is to be measured
Sample can be coal sample, and the gas desorbed can be coal bed gas, it will be understood that those skilled in the art can also be according to reality
The desorption apparatus, is used for the desorption experiment of other samples to be tested by the application scenarios on border, and the embodiment of the present invention is not done this specifically
It limits.
In the embodiment of the present invention, it is contemplated that exhaust apparatus 2 and gas operated device 4 are usually tubular equipment, by exhaust apparatus 2 with
The connection of 1 plug-in of desorption apparatus so that exhaust apparatus 2 and the connection of desorption apparatus 1 are very convenient, and gas sample collecting device for air 5 and
4 plug-in of gas operated device connection, so that gas sample collecting device for air 5 and the connection of gas operated device 4 are very convenient.
It is exemplary, it is coal sample with sample to be tested, for the gas desorbed is coal bed gas, to the solution of the embodiment of the present invention
Experimental rig is inhaled to further illustrate.
The test process of coal sample desorption experiment is carried out using the test device for desorption of the embodiment of the present invention are as follows: before the test,
First it will be full of water in desorption apparatus, exhaust apparatus, draining gas collecting apparatus and gas operated device, then carry out coal sample desorption, coal sample is solving
It inhales and is desorbed in device, the coal bed gas desorbed is discharged by exhaust apparatus into draining gas collecting apparatus, and draining gas collecting apparatus passes through
Coal bed gas is collected by draining water gathering of gas law, and the coal bed gas after collection enters gas sample collecting device for air by gas operated device, completes coal
The desorption and acquisition of layer gas.It is appreciated that water can also be replaced with other liquid according to practical application scene, the present invention is implemented
Example is not specifically limited in this embodiment.
It is appreciated that each junction after the test device for desorption for completing the embodiment of the present invention, in test device for desorption
It is tightly connected, prevent air by each interface from being entered in test device for desorption, the coal bed gas desorbed will not pass through
Each interface leaks.
In test, first it will be full of water in desorption apparatus, exhaust apparatus, draining gas collecting apparatus and gas operated device, after desorption
Coal bed gas pass through each device when, due in each device all do not have air, effectively prevent air and be mixed into coal
In layer gas.
The test device for desorption of the embodiment of the present invention can effectively avoid coal sample from being mixed into sky during desorbing coal bed gas
Gas is the important guarantee of gas-bearing property in accurate evaluation coal seam；And the test device for desorption controllable degree of the embodiment of the present invention is high, easily
In installation, securely and reliably.
In conclusion test device for desorption provided by the embodiment of the present invention, includes: desorption apparatus, for to be measured
Sample is desorbed；Exhaust apparatus, the gas discharge for desorbing desorption apparatus；Gas collecting apparatus is drained, for exhaust
The gas of device discharge is collected；Gas operated device, for draining the gas export of gas collecting apparatus collection；Gas sample collecting device for air,
For being acquired to gas derived from gas operated device；Wherein, exhaust apparatus is connect with desorption apparatus plug-in；Drain gas collection dress
It sets and is connect with exhaust apparatus；Gas operated device is connect with draining gas collecting apparatus；Gas sample collecting device for air is connect with gas operated device plug-in.
It is then exemplary, it, can be first by desorption apparatus, row when test device for desorption through the embodiment of the present invention carries out coal sample desorption experiment
It is full of water in device of air, draining gas collecting apparatus and gas operated device, then carries out coal sample desorption, coal sample desorbs in desorption apparatus, solution
The coal bed gas of suction is discharged by exhaust apparatus into draining gas collecting apparatus, and draining gas collecting apparatus passes through draining water gathering of gas law for coal seam
Gas is collected, and the coal bed gas after collection enters gas sample collecting device for air by gas operated device, completes the desorption and acquisition of coal bed gas,
Due to all not having air in each device, it effectively prevents air and is mixed into coal bed gas, to efficiently obtain coal sample
In actual coal bed gas, provide important guarantee for gas-bearing property in accurate evaluation coal seam.Namely provided by the embodiment of the present invention
Test device for desorption provides equipment support efficiently to obtain desorption gas, so that by the test device for desorption, it can be efficient
Carry out desorption experiment.
Optionally, as shown in Figure 2 and Figure 3, the desorption apparatus 1 includes solution cucurbitula 110 and matches with the solution cucurbitula 110
Cover the desorption cover 120 of setting；Wherein, the solution cucurbitula 110 forms sealing cavity after fastening with the desorption cover 120；Institute
Stating desorption cover 120 includes cover 121 and rubber mat 122, and the rubber mat 122 is fixed on the center position of cover 121, and described
Surface of the fitting of rubber mat 122 with the cover 121 departing from the solution cucurbitula is arranged.
In the embodiment of the present invention, desorption cover includes cover and rubber mat, by the way that rubber mat is arranged on cover, can facilitate desorption
Device is connected with exhaust apparatus plug-in.
Optionally, as shown in Figure 1, the exhaust apparatus 2 includes exhaust hose 210 and first puncture needle head 220, the row
It is provided with spring clip 211 on gas sebific duct 210, the first puncture needle head 220 is fixed on one end of exhaust hose 210, and described
One piercing needle 220 is used for across rubber mat 122 and protrudes into solution cucurbitula 110.
In the embodiment of the present invention, exhaust apparatus includes first puncture needle head, is inserted into desorption cover by first puncture needle head
Rubber mat on, realize exhaust apparatus connected with the plug-in of desorption apparatus, it is easy to connect.
Optionally, as shown in Figure 1, the draining gas collecting apparatus 3 includes sink 310 and graduated cylinder 320, the sink 310
It is open and is oppositely arranged with the opening of the graduated cylinder 320, and the opening of the graduated cylinder 320 stretches in the sink 310；The row
Gas sebific duct 210 stretches in the graduated cylinder 320 far from one end of the first puncture needle head 220.
In the embodiment of the present invention, using sink 310 and the building draining gas collecting apparatus 3 of graduated cylinder 320, because sink and graduated cylinder are
Common equipment in laboratory, so that the draining gas collecting apparatus of the embodiment of the present invention is easily achieved, convenient for assembling, at cheap.
Exemplary, as shown in Figure 1, the graduated cylinder 320 can be vertically arranged, and the graduated cylinder 320 is opening down, described
The positive bottom of graduated cylinder 320 is arranged in sink 310, and the bottom end of the graduated cylinder 320 stretches in sink 310；The exhaust hose
210 one end far from first puncture needle head 220 stretch in graduated cylinder 320, then the coal bed gas parsed is entered by exhaust hose
In graduated cylinder, the upper end of graduated cylinder is then stayed with, and the water in graduated cylinder is discharged into sink, realize the draining gas collection of coal bed gas.
It is appreciated that graduated cylinder can be the graduated transparent material graduated cylinder of tool in practical application, enable through graduated cylinder
The volume of the coal bed gas in graduated cylinder is read, so that test process more efficiently visualizes.
Optionally, as shown in Figure 1, the gas operated device 4 includes conduit 410, emulsion tube 420 and second puncture needle head 430,
One end of the conduit 410 is connected with the upper end of graduated cylinder 320, the other end and emulsion tube 420 connection of the conduit 410, described
Emulsion tube 420 one end and second puncture needle head 430 far from conduit 410 connect.
In the embodiment of the present invention, conduit is connected by emulsion tube with second puncture needle head, the setting of second puncture needle head, side
Just gas operated device is connected with gas sample collecting device for air plug-in.
Optionally, as shown in Figure 1, the gas sample collecting device for air 5 includes vacuum gas bottle 510 and bottle stopper 520, wherein institute
Sealing cavity is formed after stating vacuum gas bottle 510 and the bottle stopper 520 fastening；Vacuum is set in the vacuum gas bottle 510；Institute
Stating bottle stopper is rubber plug, and the second puncture needle head 430 is used for across the bottle stopper 520 and stretches to the vacuum gas bottle 510
Cavity.
In the embodiment of the present invention, bottle stopper is designed as rubber plug, facilitates the insertion of second puncture needle head, is worn by bottle stopper and second
The connection of pricker head realizes that gas operated device is connected with the plug-in of gas sample collecting device for air.
Optionally, as shown in Fig. 2, the solution cucurbitula 110 includes outer tank 111 and inner canister 112, the outer tank 111 and inner canister
Interlayer cavity 113 is formed between 112, and conductive fluid is filled in the interlayer cavity 113, is equipped in the interlayer cavity 113
Heating wire 114 is equipped with thermometer 123 and first pressure meter 124 on the desorption cover 120.
In the embodiment of the present invention, solution cucurbitula is designed as double-layer structure, and in practical application, outer tank can be set using insulated heat
Meter, inner canister can be designed using insulating heat-conductive, formed interlayer cavity between outer tank and inner canister, filled conductive fluid in interlayer cavity,
And interior intracavitary installation heater strip, solution cucurbitula is internally heated, accelerates coal bed gas desorption rate, realizes the quick solution of coal bed gas
It inhales and collects.
Optionally, as shown in Figure 1, the draining gas collecting apparatus 3 further includes support bracket 330, on the support bracket 330
It is provided with hanging ring 331, the hanging ring 331 is connected with the bottom end of graduated cylinder 320.
In the embodiment of the present invention, the bottom end of graduated cylinder 320 can be one end relative to graduated cylinder opening, using support bracket and
Hanging ring slings the bottom end of graduated cylinder, plays support fixed function to graduated cylinder.
Optionally, as shown in Figure 1, being equipped with control valve 411 on the conduit 410, the conduit 410 and emulsion tube 420
Junction sealing joint valve 412 is installed.
In the embodiment of the present invention, control valve is installed on conduit, water is full of in conduit, emulsion tube and second puncture needle head
When, closing control valve can avoid water outflow, guarantee to reject air, the design of sealing valve guarantees conduit and emulsion tube junction
Leakproofness.
Optionally, as shown in Figure 1, being equipped with second pressure meter 521 on the bottle stopper 520.
In the embodiment of the present invention, the pressure in vacuum gas bottle is observed by second pressure meter.
In conclusion test device for desorption provided by the embodiment of the present invention, includes: desorption apparatus, for to be measured
Sample is desorbed；Exhaust apparatus, the gas discharge for desorbing desorption apparatus；Gas collecting apparatus is drained, for exhaust
The gas of device discharge is collected；Gas operated device, for draining the gas export of gas collecting apparatus collection；Gas sample collecting device for air,
For being acquired to gas derived from gas operated device；Wherein, exhaust apparatus is connect with desorption apparatus plug-in；Drain gas collection dress
It sets and is connect with exhaust apparatus；Gas operated device is connect with draining gas collecting apparatus；Gas sample collecting device for air is connect with gas operated device plug-in.
It is then exemplary, it, can be first by desorption apparatus, row when test device for desorption through the embodiment of the present invention carries out coal sample desorption experiment
It is full of water in device of air, draining gas collecting apparatus and gas operated device, then carries out coal sample desorption, coal sample desorbs in desorption apparatus, solution
The coal bed gas of suction is discharged by exhaust apparatus into draining gas collecting apparatus, and draining gas collecting apparatus passes through draining water gathering of gas law for coal seam
Gas is collected, and the coal bed gas after collection enters gas sample collecting device for air by gas operated device, completes the desorption and acquisition of coal bed gas,
Due to all not having air in each device, it effectively prevents air and is mixed into coal bed gas, to efficiently obtain coal sample
In actual coal bed gas, provide important guarantee for gas-bearing property in accurate evaluation coal seam.Namely provided by the embodiment of the present invention
Test device for desorption provides equipment support efficiently to obtain desorption gas, so that by the test device for desorption, it can be efficient
Carry out desorption experiment.
For the test device for desorption shown in Fig. 1, the test method of the embodiment of the present invention the following steps are included:
Preliminary step: in the desorption apparatus, the exhaust apparatus, the draining gas collecting apparatus and the gas operated device
In be full of water；
Coal sample desorption procedure: coal sample is put into the desorption apparatus, the coal sample is solved in the desorption apparatus
It inhales；
Coal bed gas collection step: the coal bed gas desorbed in the desorption apparatus is passed through described in drainage arrangement input
Drain gas collecting apparatus；
Coal bed gas sample acquisitions step: the coal bed gas of the draining gas collecting apparatus is sent into the gas collecting device.
In concrete application, sink and graduated cylinder with a scale can fill to water, then in the sink by graduated cylinder back-off, using hanging
Graduated cylinder is suspended on support bracket by ring, and conduit is connected with graduated cylinder, before second puncture needle head is inserted into bottle stopper, first with trumpet
Syringe sucks enough water from graduated cylinder and sink by second puncture needle head, punctures water full of conduit, emulsion tube and second
Syringe needle is inserted on the bottle stopper on gas bottle top after being full of, and immediately closes off control valve.
Exhaust hose is inserted into the rubber mat part of desorption cover by first puncture needle head, makes exhaust hose and solution cucurbitula
It is connected, the coal sample of acquisition is put into rapidly in solution cucurbitula, and fill water into solution cucurbitula, is rapidly desorbing desorption cover lid conjunction
On tank, water is then filled into exhaust hose, then exhaust hose is placed in inverted graduated cylinder far from one end of solution cucurbitula, and will
Spring clip on exhaust hose clamps, when starting to be desorbed, it is preferred that the electric-heating-wire-heating in cavity keeps conductive fluid (thermally conductive
Liquid uses water) heating, the water in solution cucurbitula is heated, coal sample heating desorption is recorded by first pressure meter and thermometer
Pressure and temperature in coal sample solution cucurbitula.
When desorption starts, spring clip is opened, coal bed gas enters graduated cylinder by exhaust hose, and the water in graduated cylinder is from graduated cylinder bottom
Sink is escaped and enter, the artificial volume markings read on graduated cylinder, and record the time.
Desorption experiment finishes, and opens control valve, enters the coal bed gas of desorption in vacuum gas bottle, in second pressure meter
When stable reading, second puncture needle head is pulled out, and with the pinprick on vaseline sealing bottle cork, the gas sample being collected waits for used for other purposes.
In conclusion test device for desorption provided by the embodiment of the present invention, includes: desorption apparatus, for to be measured
Sample is desorbed；Exhaust apparatus, the gas discharge for desorbing desorption apparatus；Gas collecting apparatus is drained, for exhaust
The gas of device discharge is collected；Gas operated device, for draining the gas export of gas collecting apparatus collection；Gas sample collecting device for air,
For being acquired to gas derived from gas operated device；Wherein, exhaust apparatus is connect with desorption apparatus plug-in；Drain gas collection dress
It sets and is connect with exhaust apparatus；Gas operated device is connect with draining gas collecting apparatus；Gas sample collecting device for air is connect with gas operated device plug-in.
It is then exemplary, it, can be first by desorption apparatus, row when test device for desorption through the embodiment of the present invention carries out coal sample desorption experiment
It is full of water in device of air, draining gas collecting apparatus and gas operated device, then carries out coal sample desorption, coal sample desorbs in desorption apparatus, solution
The coal bed gas of suction is discharged by exhaust apparatus into draining gas collecting apparatus, and draining gas collecting apparatus passes through draining water gathering of gas law for coal seam
Gas is collected, and the coal bed gas after collection enters gas sample collecting device for air by gas operated device, completes the desorption and acquisition of coal bed gas,
Due to all not having air in each device, it effectively prevents air and is mixed into coal bed gas, to efficiently obtain coal sample
In actual coal bed gas, provide important guarantee for gas-bearing property in accurate evaluation coal seam.Namely provided by the embodiment of the present invention
Test device for desorption provides equipment support efficiently to obtain desorption gas, so that by the test device for desorption, it can be efficient
Carry out desorption experiment.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of test device for desorption, which is characterized in that described device includes:
Desorption apparatus, for being desorbed to sample to be tested；
Exhaust apparatus, the gas discharge for desorbing the desorption apparatus；
Gas collecting apparatus is drained, the gas for the exhaust apparatus to be discharged is collected；
Gas operated device, the gas export collected for the draining gas collecting apparatus；
Gas sample collecting device for air, for being acquired to gas derived from the gas operated device；
Wherein, the exhaust apparatus is connect with the desorption apparatus plug-in；The draining gas collecting apparatus and the exhaust apparatus
Connection；The gas operated device is connect with the draining gas collecting apparatus；The gas sample collecting device for air and the gas operated device plug-in
Connection.
2. test device for desorption according to claim 1, it is characterised in that:
The desorption apparatus includes solving cucurbitula and the desorption cover with the solution mating setting of cucurbitula；
Wherein, the solution cucurbitula and the desorption cover form sealing cavity after fastening；
The desorption cover includes cover and rubber mat, and the elastic mounting is in the center position of cover, and the rubber mat is bonded
Surface with the cover departing from the solution cucurbitula is arranged；
The solution cucurbitula includes outer tank and inner canister, forms interlayer cavity between the outer tank and inner canister, fills out in the interlayer cavity
Filled with conductive fluid, heating wire is additionally provided in the interlayer cavity；
The desorption cover is provided with thermometer and first pressure meter.
3. test device for desorption according to claim 2, it is characterised in that:
The exhaust apparatus includes exhaust hose and first puncture needle head；
Wherein, spring clip is provided on the exhaust hose；
The first puncture needle head is fixed on one end of exhaust hose；
The first puncture needle head is used for across the rubber mat and protrudes into the solution cucurbitula.
4. test device for desorption according to claim 3, it is characterised in that:
The draining gas collecting apparatus includes sink and graduated cylinder；
The opening of the sink and the opening of the graduated cylinder are oppositely arranged, and the opening of the graduated cylinder stretches in the sink；
The exhaust hose stretches in the graduated cylinder far from one end of the first puncture needle head.
5. test device for desorption according to claim 4, it is characterised in that:
The gas operated device includes conduit, emulsion tube and second puncture needle head；
One end of the conduit is connected with the bottom end of the graduated cylinder；
The other end of the conduit is connected with the emulsion tube；
The one end of the emulsion tube far from the conduit is connected with the second puncture needle head.
6. test device for desorption according to claim 5, it is characterised in that:
The gas sample collecting device for air includes vacuum gas bottle and bottle stopper；
Wherein, the vacuum gas bottle and the bottle stopper form sealing cavity after fastening；Vacuum is set in the vacuum gas bottle；
The bottle stopper is rubber plug, and the second puncture needle head is used for across the bottle stopper and stretches to the cavity of the vacuum gas bottle.
7. test device for desorption according to claim 4, it is characterised in that:
The draining gas collecting apparatus further includes support bracket；
Hanging ring is provided on the support bracket, the hanging ring is connected with the bottom end of the graduated cylinder.
8. test device for desorption according to claim 5, it is characterised in that: control valve is provided on the conduit, it is described to lead
The junction of pipe and the emulsion tube is provided with sealing joint valve.
9. test device for desorption according to claim 6, it is characterised in that: be provided with second pressure meter on the bottle stopper.
10. a kind of test method, which is characterized in that it is applied to test device for desorption as described in any one of claim 1 to 9,
The described method includes:
Preliminary step: it is filled in the desorption apparatus, the exhaust apparatus, the draining gas collecting apparatus and the gas operated device
Full water；
Coal sample desorption procedure: coal sample is put into the desorption apparatus, the coal sample is desorbed in the desorption apparatus；
Coal bed gas collection step: the coal bed gas desorbed in the desorption apparatus is inputted into the draining by the drainage arrangement
Gas collecting apparatus；
Coal bed gas sample acquisitions step: the coal bed gas of the draining gas collecting apparatus is sent into the gas collecting device.
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| CA1131044A (en) * | 1979-10-30 | 1982-09-07 | Karim W. Nasser | System and apparatus for indicating the air content of concrete in situ |
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