CN205374214U - Developments drill chip vary voltage desorption experimental system - Google Patents
Developments drill chip vary voltage desorption experimental system Download PDFInfo
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- CN205374214U CN205374214U CN201620021634.XU CN201620021634U CN205374214U CN 205374214 U CN205374214 U CN 205374214U CN 201620021634 U CN201620021634 U CN 201620021634U CN 205374214 U CN205374214 U CN 205374214U
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Abstract
The utility model provides a developments drill chip vary voltage desorption experimental system, including high pressurized air source module, take out vacuum molding piece, dynamic drill chip analog module, become desorption pressure control module, parameter acquisition and observing and controlling module, the utility model discloses a drill chip carries out the disturbance in the developments drill chip pair of module container to the different motion state of drill chip when wind sample survey coalbed gas content is pressed in the pit in the simulation colliery, through adjusting coal sample methane desorption ambient pressure to becoming desorption pressure control module, can realize that desorption ambient pressure is the malleation, function for the pressure variation with time, can study dynamic desorption characteristic under different motion states of drill chip and the different desorption ambient pressure, the time of day of wind sample coal sample desorption when carrying out coalbed gas assay is pressed in the pit in the simulation colliery, the system observes and controls sensitively, reducing under the manual operation error prerequisite, second can be realized using and the desorption volume is measured as the unit, for gas loss volume computation model in the perfect pressure wind row sediment sample process, provide theoretical foundation for improving gas flow measurement precision.
Description
Technical field
This utility model relates to a kind of dynamically drilling cuttings pressure-swing desorption experimental system, belong to coal mine gas diaster prevention and control field, particularly relate to a kind of for accurately probing into the adsorption law experimental system that aperture presses dynamic drilling cuttings gas during wind sampling and measuring coal seam gas-bearing capacity to be under change desorbing ambient pressure.
Background technology
The research of desorption of mash gas characteristic is by the important content of Gas Disaster study on prevention, by carrying out desorption of mash gas characteristic research in drilling cuttings, grasps the desorption of mash gas rule under different condition, can for effectively carrying out Gas Disaster preventing and treating offer theoretical foundation.
In Gas Disaster prevention and cure project practice process, gas bearing capacity is one of key technical index, and it measures many employing coal mine gas content direct measuring methods, and during sampling, adopt presses air holes mouths to connect sample method more.Sampling process becomes malleation desorbing with gas and drilling cuttings is dynamic motion state, but the measuring and calculating of the gas loss amount in existing gas bearing capacity mensuration process all replaces dynamic drilling cuttings desorption properties with static drilling cuttings desorption properties；Characterize or the anti-desorption of mash gas characteristic pushed away under transformation by the desorption properties under normal pressure simultaneously, objectively there is relatively large deviation.
About desorption of mash gas experimentation in drilling cuttings, labs is set as that in the state of desorbing ambient pressure and drilling cuttings normal pressure static state is main more.Along with going deep into of research, desorbing ambient pressure is have been reported more than the research of adsorption law under a certain value of normal pressure and the mechanical vibration disturbing influence to drilling cuttings.
Chinese patent, the patent No. is CN102419295B, denomination of invention provides a kind of scheme that desorbing ambient pressure can be provided to be steady state value for " loaded coal rock constant pressure gas adsorption and desorption experiment system and method ", but this experimental system has the disadvantage that and 1. realizes the desorbing ambient pressure constant control from 0～2 atmospheric pressure by the motion of gravity perseverance pneumatic shuttle, along with the increase of desorption of mash gas amount, the less stable of TT&C system；2. desorbing ambient pressure can only be set as a certain steady state value, it is impossible to realizes in whole desorption of mash gas experimentation, and desorbing ambient pressure dynamically controls and then research trends drilling cuttings pressure-swing desorption rule according to what a certain rule changed.Chinese patent, the patent No. is CN202101920U, denomination of invention provides a kind of for studying the experimental provision that drilling cuttings adsorption law is affected by applied mechanical disturbance for " the research mechanical vibration assay device on coal sample adsorption-desorption performance impact ", but this mechanical disturbance realizes by the coal sample tank filling drilling cuttings applies low-frequency vibration, space between granule is progressively closely knit, the space of granule motion progressively reduces, and does not meet the violent turbulent condition of the gas-particle two-phase that drilling cuttings is formed during deslagging with gas.
Therefore, the research of dynamic drilling cuttings desorption of mash gas characteristic during for more true, comprehensive expansion underground coal mine pressure air holes mouth sampling and measuring coal seam gas-bearing capacity, it is necessary to propose the dynamic drilling cuttings pressure-swing desorption experimental system of a set of design science, accurate measurement, perfect in shape and function in fact, accurately to grasp dynamic drilling cuttings desorption of mash gas rule, provide foundation for revising existing gas loss amount computation model.
Summary of the invention
A kind of dynamically drilling cuttings pressure-swing desorption experimental system that this utility model provides, is undertaken the drilling cuttings in container is stirred by dynamic drilling cuttings module, to simulate the different motion state of drilling cuttings when pressure wind samples；And adjust setting desorbing ambient pressure by desorbing ambient pressure module, wherein pressure can be perseverance just, can for the time dependent function of pressure.
This utility model is achieved through the following technical solutions: a kind of dynamically drilling cuttings pressure-swing desorption experimental system, and it includes high-pressure air source module, evacuation module, dynamic drilling cuttings analog module, becomes desorption pressures control module, parameter acquisition and control module；It is characterized in that, described high-pressure air source module includes the high-pressure air source, gas pressure reducer and the precision pressure gauge that are sequentially connected in series；
Described evacuation module includes vacuum pump；Described vacuum pump, gas pressure reducer adopt threeway one to be connected with valve one；
Described dynamic drilling cuttings analog module includes electromagnetic adjustable speed motor, contactor and stirring paddle, wherein, the outfan of described electromagnetic adjustable speed motor is connected with stirring paddle, described contactor periphery is provided with electric heating coil zone of heating, the upper end of described contactor is provided with upper end cover, the lower end of described contactor is provided with bottom end cover, described contactor upper end cover is provided with four outlets, described electromagnetic adjustable speed motor stretches in described contactor through one of them outlet of described contactor upper end cover, so that the outfan making described electromagnetic adjustable speed motor connects described stirring paddle, the size 5mm being smaller in size than contactor chamber of described stirring paddle, described contactor is connected with described valve one；
Described change desorption pressures controls module and includes PLC, data acquisition and display platform, pressure transducer, electromagnetic valve, dimension pressure vessel, piston, screw mandrel and servomotor；Described dimension pressure vessel upper end is provided with three outlets, one interface of described pressure transducer is linked in an outlet of described dimension pressure vessel three outlet, another interface of described pressure transducer is connected with an interface of PLC, another interface of described PLC is connected with described data acquisition and display platform, one interface of described electromagnetic valve is linked into dimension pressure vessel, another interface emptying of described electromagnetic valve；Described piston is connected with described screw mandrel and is placed in described dimension pressure vessel, and described servomotor drives screw mandrel motion；
nullDescribed parameter acquisition and control module include pressure transducer one、Pressure transducer two、Temperature sensor、Electromagnetic valve one、Electromagnetic valve two、Electromagnetic valve three、Electromagnetic valve four、Electromagnetic valve five、Mass-flow gas meter one、Mass-flow gas meter two and mass-flow gas meter three，An interface after described pressure transducer one and described temperature sensor parallel connection is accessed in an outlet of described contactor by snap joint，Another interface after described pressure transducer one and described temperature sensor parallel connection is linked into parameter acquisition and display platform，One interface of electromagnetic valve one and threeway three is respectively connected in two outlets of threeway two，Another outlet of described threeway two is connected by valve two with described contactor，The two other end of threeway three respectively with electromagnetic valve three、One end of threeway four connects，The two other end of threeway four is connected with electromagnetic valve two and electromagnetic valve four，Electromagnetic valve dissipates and is connected with mass-flow gas meter one，Electromagnetic valve two is connected with mass-flow gas meter two，Electromagnetic valve four is connected with mass-flow gas meter three，Mass-flow gas meter two and mass-flow gas meter three are respectively connected to two outlets of threeway five，Three outlets of threeway six are respectively connected to mass-flow gas meter one、Threeway five and dimension pressure vessel；Described mass-flow gas meter one, mass-flow gas meter two, the equal access parameter collection of data output end of mass-flow gas meter three and display platform, described electromagnetic valve one, electromagnetic valve two, electromagnetic valve three, electromagnetic valve four, electromagnetic valve five control line be all connected with PLC.
Further, as preferably, the volume of described contactor is not less than 1.5L, and length is not more than 300mm；Pressure it is not less than 10MPa；Being provided with electric heating coil zone of heating outside described contactor, temperature-control range is room temperature-100 DEG C, and accuracy of temperature control is ± 0.5 DEG C.
Further, as preferably, the speed adjustable range of described electromagnetic adjustable speed motor is 0r/min-1250r/min.
Further, as preferably, the measurement scope respectively-100kPa～6MPa ,-100kPa～2MPa of described pressure transducer one and pressure transducer two；Certainty of measurement is ± 0.3%FS；Resolution is 0.1%FS；Input voltage is 24VDC；Exporting equal electric current is 4～20mA；Operating ambient temperature is all at-30 DEG C～+50 DEG C；Medium temperature is room temperature～100 DEG C；Frequency response is all not less than 10 times/second.
Further, as preferably, the amount of storage of described PLC is not less than the RAM storage of 64kB；Magnitude control is 16～384 points including CC-LINKI/O；Possesses the transistor output type positioning function of built-in independence 3 axle 100kHz；It is all connected with adapter on the left of the elementary cell of PLC；Built-in programming port reaches to be not less than the high-speed communication of 115.2kbps, and uses 3 ports simultaneously；The control of the highest include remote I/O 84 is realized by the extension of CC-Link network；And the setting of the monitoring of software, test, clock can be carried out.
Further, as preferably, the range ability of described mass-flow gas meter one, mass-flow gas meter two and mass-flow gas meter three is followed successively by 100ml/min, 500ml/min, 10000ml/min respectively.
Further, as preferably, described electromagnetic valve one, electromagnetic valve two, electromagnetic valve three, electromagnetic valve four, electromagnetic valve five pressure voltage be 10MPa.
The beneficial effects of the utility model are in that:
(1), this utility model design science: in order to solve the disengaging problem between the experiment of existing desorption of mash gas and practical implementation, namely by adding dynamic drilling cuttings analog module on original desorption experiment system-based and becoming desorption pressures and control the device such as module to change original static drilling cuttings into dynamic drilling cuttings and normal pressure (atmospheric pressure) desorbing be that pressure-swing desorption to simulate more truly underground coal mine pressure wind sampling and measuring gas bearing capacity process, accuracy of measurement is improved；
(2), complete function: this system modular assembles, by this experimental system can research trends drilling cuttings in the desorption experiment that desorbing ambient pressure is permanent malleation/change direct draught, simultaneously, in order to further simulate the process that the broken coal of bit cutting rib makes drilling cuttings heat up, with the addition of temperature control module, can by different combinations to realize the desorption of mash gas experiment in multiple situation, perfect in shape and function, purposes is various.
(3) measuring accuracy is high: for reducing the error that manual operation brings, and pipeline in experimentation and measuring cell are implemented switching by experimental system inner valve control many employings electromagnetic valve；The stripping gas scale of construction is undertaken measuring to reduce the measurement error adopting draining water gathering of gas law to cause by the mass-flow gas meter of multiple different ranges.
(4) it is easy to promote: the research of desorption of mash gas rule is always up carrying out the important foundation content of coal mine gas diaster prevention and control, for this, many R&D institutions are also carrying out a series of desorption of mash gas law study, in view of dynamic drilling cuttings pressure-swing desorption experimental system has design science, perfect in shape and function, feature that measuring accuracy is high, it is advantageous to promote.
In a word, dynamic drilling cuttings pressure-swing desorption experimental system of the present utility model can study the dynamic desorption characteristic under drilling cuttings different motion state and different desorbing ambient pressure, simulation coal mine down-hole drilling sampling carries out coal seam gas-bearing capacity and the time of day of Desorption Index for Drill Cuttings mensuration, system automation data acquisition, observing and controlling are sensitive, under the premise reducing manual operation error, can realize with the second be time of day desorption quantity, improve laboratory Desorption Index for Drill Cuttings and gas bearing capacity and measure degree of accuracy.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of dynamic drilling cuttings pressure-swing desorption experimental system of the present utility model；
Wherein, 1-high-pressure air source；2-gas pressure reducer；3-Pressure gauge；4-vacuum pump；5-threeway one；6, valve one, 10-valve two；7-electromagnetic adjustable speed motor；8-pressure transducer one, 9-temperature sensor, 10-valve two；11-upper end cover；12-contactor；13-stirring paddle；14-electric heating coil zone of heating；15-ickings；16-bottom end cover；17-threeway two, 18-electromagnetic valve one, 19-threeway three, 20-threeway four, 21-electromagnetic valve two, 22-electromagnetic valve three, 23-electromagnetic valve four, 24-mass-flow gas meter, 25-mass-flow gas meter, 26-mass-flow gas meter, 27-threeway five, 28-threeway six；29-PLC controller；30-parameter acquisition and display platform；31-pressure transducer two；32-electromagnetic valve five, 33-ties up pressure vessel；34-piston；35-screw mandrel；36-servomotor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
As it is shown in figure 1, this utility model provides a kind of dynamically drilling cuttings pressure-swing desorption experimental system, it includes high-pressure air source module, evacuation module, dynamic drilling cuttings analog module, becomes desorption pressures control module, parameter acquisition and control module；It is characterized in that, described high-pressure air source module includes the high-pressure air source 1, gas pressure reducer 2 and the precision pressure gauge 3 that are sequentially connected in series；
Described evacuation module includes vacuum pump 4；Described vacuum pump 4, gas pressure reducer 2 adopt threeway 1 to be connected with valve one；
Described dynamic drilling cuttings analog module includes electromagnetic adjustable speed motor 7, contactor 12 and stirring paddle 13, wherein, the outfan of described electromagnetic adjustable speed motor 7 is connected with stirring paddle 13, described contactor 12 periphery is provided with electric heating coil zone of heating 14, the upper end of described contactor is provided with upper end cover 11, the lower end of described contactor is provided with bottom end cover 16, described contactor upper end cover 11 is provided with four outlets, described electromagnetic adjustable speed motor 7 stretches in described contactor 12 through one of them outlet of described contactor upper end cover 11, so that the outfan making described electromagnetic adjustable speed motor 7 connects described stirring paddle 13, the size 5mm being smaller in size than contactor 12 chamber of described stirring paddle 13, described contactor is connected with described valve one；
Described change desorption pressures controls module and includes PLC 29, data acquisition and display platform 30, pressure transducer 31, electromagnetic valve 32, dimension pressure vessel 33, piston 34, screw mandrel 35 and servomotor 36；Described dimension pressure vessel 33 upper end is provided with three outlets, one interface of described pressure transducer 31 is linked in an outlet of described dimension pressure vessel 33 3 outlet, another interface of described pressure transducer 31 is connected with an interface of PLC 29, another interface of described PLC 29 is connected with described data acquisition and display platform 30, one interface of described electromagnetic valve 32 is linked into dimension pressure vessel 33, another interface emptying of described electromagnetic valve 32；Described piston 34 is connected with described screw mandrel 35 and is placed in described dimension pressure vessel 33, and described servomotor 36 drives screw mandrel 35 to move；
nullDescribed parameter acquisition and control module include pressure transducer 1、Pressure transducer 2 31、Temperature sensor 9、Electromagnetic valve 1、Electromagnetic valve 2 21、Electromagnetic valve 3 22、Electromagnetic valve 4 23、Electromagnetic valve 5 32、Mass-flow gas meter 1、Mass-flow gas meter 2 25 and mass-flow gas meter 3 26，An interface after described pressure transducer 1 and described temperature sensor 9 parallel connection is accessed in an outlet of described contactor 12 by snap joint，Another interface after described pressure transducer 1 and described temperature sensor 9 parallel connection is linked into parameter acquisition and display platform 30，One interface of electromagnetic valve 1 and threeway 3 19 is respectively connected in two outlets of threeway 2 17，Another outlet of described threeway 2 17 is connected by valve 2 10 with described contactor 12，The two other end of threeway 3 19 respectively with electromagnetic valve 3 22、One end of threeway 4 20 connects，The two other end of threeway 4 20 is connected with electromagnetic valve 2 21 and electromagnetic valve 4 23，Electromagnetic valve dissipates 22 and is connected with mass-flow gas meter 1，Electromagnetic valve 2 21 is connected with mass-flow gas meter 2 25，Electromagnetic valve 4 23 is connected with mass-flow gas meter 3 26，Mass-flow gas meter 2 25 and mass-flow gas meter 3 26 are respectively connected to two outlets of threeway 5 27，Three outlets of threeway 6 28 are respectively connected to mass-flow gas meter 1、Threeway 5 27 and dimension pressure vessel 33；Described mass-flow gas meter 1, mass-flow gas meter 2 25, mass-flow gas meter 3 26 the equal access parameter collection of data output end and display platform 30, described electromagnetic valve 1, electromagnetic valve 2 21, electromagnetic valve 3 22, electromagnetic valve 4 23, electromagnetic valve 5 32 control line be all connected with PLC 29.
In the present embodiment, the volume of described contactor 12 is not less than 1.5L, and length is not more than 300mm；Pressure it is not less than 10MPa；Described contactor 12 is outside is provided with electric heating coil zone of heating 14, and temperature-control range is room temperature-100 DEG C, and accuracy of temperature control is ± 0.5 DEG C.Wherein, the speed adjustable range of described electromagnetic adjustable speed motor is 0r/min-1250r/min.
It addition, the measurement scope respectively-100kPa～6MPa ,-100kPa～2MPa of described pressure transducer 1 and pressure transducer 2 31；Certainty of measurement is ± 0.3%FS；Resolution is 0.1%FS；Input voltage is 24VDC；Exporting equal electric current is 4～20mA；Operating ambient temperature is all at-30 DEG C～+50 DEG C；Medium temperature is room temperature～100 DEG C；Frequency response is all not less than 10 times/second.
In the present embodiment, for PLC, the amount of storage of described PLC 29 is not less than the RAM storage of 64kB；Magnitude control is 16～384 points including CC-LINKI/O；Possesses the transistor output type positioning function of built-in independence 3 axle 100kHz；Adapter it is all connected with on the left of elementary cell；Built-in programming port reaches to be not less than the high-speed communication of 115.2kbps, and uses 3 ports simultaneously；The control of the highest include remote I/O 84 is realized by the extension of CC-Link network；And the setting of the monitoring of software, test, clock can be carried out.
Meanwhile, the range ability of described mass-flow gas meter 1, mass-flow gas meter 2 25 and mass-flow gas meter 3 26 is followed successively by 100ml/min, 500ml/min, 10000ml/min respectively.Described electromagnetic valve one, electromagnetic valve two, electromagnetic valve three, electromagnetic valve four, electromagnetic valve five pressure voltage be 10MPa.
Operation principle of the present utility model is as follows:
What this utility model was implemented the it is critical only that simulation realizing drilling cuttings different motion form and desorbing ambient pressure be permanent just and become the setting of malleation.Realize particular by following manner:
1. airtight test.With reference to accompanying drawing, experimental system is attached, opens bottom end cover 16 and load appropriate drilling cuttings 15, check air-tightness.
2. desorbing ambient pressure is preset.Start and become desorption pressures control module and make piston 34 be transported to dimension pressure vessel 33 top；After, adjust servomotor 36 rotating speed and be 2800r/min and move after piston 34 moves down operation 5s out of service；Close electromagnetic valve 1, electromagnetic valve 32, open valve 1, valve 2 10, electromagnetic valve 2 21, electromagnetic valve 3 22, electromagnetic valve 4 23；Swivel tee valve 1, accesses evacuation module, and cutoff high gas source module, system is evacuated to 100kPa；After, swivel tee 1, accesses high-pressure air source module and cuts off evacuation module, system is inflated rapidly, make pressure transducer one, pressure transducer 2 31 simultaneously for a certain malleation value P (this value is goal pressure initial value)；After, close electromagnetic valve 2 21, electromagnetic valve 3 22, electromagnetic valve 4 23, in contactor 12, coal sample carries out adsorption equilibrium；PLC 31 is set experiment desirable pressure and the change function of time (correspond to permanent malleation when changing function as normal function, to strain malleation during function time dependent for pressure) simultaneously.
3. dynamically drilling cuttings simulation.After balance upon adsorption reaches target pressure value, swivel tee 1 cuts off evacuation module and high-pressure air source module and sets electromagnetic adjustable speed motor 7 rotating speed；When starting desorbing, open rapidly electromagnetic adjustable speed motor 7 and make stirring paddle 13 move with setting speed.
4. system environments pressure initiation and maintenance.Along with constantly carrying out of desorption of mash gas, in system, gas pressure will fluctuate.According to changing over functional relationship at the pressure of PLC 29 input in advance, pressure change in dimension pressure vessel 33 will be sensed by pressure transducer 31 and feed back to PLC 29, servomotor 36 is then sent instruction according to pressure variation characteristic by PLC 29, makes screw mandrel 35 drive piston 34 to move to realize the adjustment to system environment pressure oscillation in dimension pressure vessel 33.
This system coordinates stirring paddle 13 to simulate the different motion state of coal sample by electromagnetic adjustable speed motor 7, by becoming desorption pressures control module, desorbing ambient pressure is set to permanent malleation, the states such as permanent transformation, jointly complete the dynamic drilling cuttings desorption properties research being under different motion state and different desorbing ambient pressure, the sampling of simulation underground coal mine aperture carries out coal sample desorption properties when coal seam gas-bearing capacity measures, and improves laboratory gas bearing capacity and measures degree of accuracy.Use procedure adopts visualized operation and automatic data collection quantitative analysis, reduces anthropic factor, improve experimental precision.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, being appreciated that when without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, amendment, replacement and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a dynamic drilling cuttings pressure-swing desorption experimental system, it includes high-pressure air source module, evacuation module, dynamic drilling cuttings analog module, becomes desorption pressures control module, parameter acquisition and control module；It is characterized in that, described high-pressure air source module includes the high-pressure air source, gas pressure reducer and the precision pressure gauge that are sequentially connected in series；
Described evacuation module includes vacuum pump；Described vacuum pump, gas pressure reducer adopt threeway one to be connected with valve one；
Described dynamic drilling cuttings analog module includes electromagnetic adjustable speed motor, contactor and stirring paddle, wherein, the outfan of described electromagnetic adjustable speed motor is connected with stirring paddle, described contactor periphery is provided with electric heating coil zone of heating, the upper end of described contactor is provided with upper end cover, the lower end of described contactor is provided with bottom end cover, described contactor upper end cover is provided with four outlets, described electromagnetic adjustable speed motor stretches in described contactor through one of them outlet of described contactor upper end cover, so that the outfan making described electromagnetic adjustable speed motor connects described stirring paddle, the size 5mm being smaller in size than contactor chamber of described stirring paddle, described contactor is connected with described valve one；
Described change desorption pressures controls module and includes PLC, data acquisition and display platform, pressure transducer, electromagnetic valve, dimension pressure vessel, piston, screw mandrel and servomotor；Described dimension pressure vessel upper end is provided with three outlets, one interface of described pressure transducer is linked in an outlet of described dimension pressure vessel three outlet, another interface of described pressure transducer is connected with an interface of PLC, another interface of described PLC is connected with described data acquisition and display platform, one interface of described electromagnetic valve is linked into dimension pressure vessel, another interface emptying of described electromagnetic valve；Described piston is connected with described screw mandrel and is placed in described dimension pressure vessel, and described servomotor drives screw mandrel motion；
nullDescribed parameter acquisition and control module include pressure transducer one、Pressure transducer two、Temperature sensor、Electromagnetic valve one、Electromagnetic valve two、Electromagnetic valve three、Electromagnetic valve four、Electromagnetic valve five、Mass-flow gas meter one、Mass-flow gas meter two and mass-flow gas meter three，An interface after described pressure transducer one and described temperature sensor parallel connection is accessed in an outlet of described contactor by snap joint，Another interface after described pressure transducer one and described temperature sensor parallel connection is linked into parameter acquisition and display platform，One interface of electromagnetic valve one and threeway three is respectively connected in two outlets of threeway two，Another outlet of described threeway two is connected by valve two with described contactor，The two other end of threeway three respectively with electromagnetic valve three、One end of threeway four connects，The two other end of threeway four is connected with electromagnetic valve two and electromagnetic valve four，Electromagnetic valve dissipates and is connected with mass-flow gas meter one，Electromagnetic valve two is connected with mass-flow gas meter two，Electromagnetic valve four is connected with mass-flow gas meter three，Mass-flow gas meter two and mass-flow gas meter three are respectively connected to two outlets of threeway five，Three outlets of threeway six are respectively connected to mass-flow gas meter one、Threeway five and dimension pressure vessel；Described mass-flow gas meter one, mass-flow gas meter two, the equal access parameter collection of data output end of mass-flow gas meter three and display platform, described electromagnetic valve one, electromagnetic valve two, electromagnetic valve three, electromagnetic valve four, electromagnetic valve five control line be all connected with PLC.
2. the dynamic drilling cuttings pressure-swing desorption experimental system of one according to claim 1, it is characterised in that the volume of described contactor is not less than 1.5L, and length is not more than 300mm；Pressure it is not less than 10MPa；Being provided with electric heating coil zone of heating outside described contactor, temperature-control range is room temperature-100 DEG C, and accuracy of temperature control is ± 0.5 DEG C.
3. the dynamic drilling cuttings pressure-swing desorption experimental system of one according to claim 1, it is characterised in that the speed adjustable range of described electromagnetic adjustable speed motor is 0r/min-1250r/min.
4. the dynamic drilling cuttings pressure-swing desorption experimental system of one according to claim 1, it is characterised in that the measurement scope respectively-100kPa～6MPa ,-100kPa～2MPa of described pressure transducer one and pressure transducer two；Certainty of measurement is ± 0.3%FS；Resolution is 0.1%FS；Input voltage is 24VDC；Exporting equal electric current is 4～20mA；Operating ambient temperature is all at-30 DEG C～+50 DEG C；Medium temperature is room temperature～100 DEG C；Frequency response is all not less than 10 times/second.
5. the dynamic drilling cuttings pressure-swing desorption experimental system of one according to claim 1, it is characterised in that the amount of storage of described PLC is not less than the RAM storage of 64kB；Magnitude control is 16～384 points including CC-LINKI/O；Possesses the transistor output type positioning function of built-in independence 3 axle 100kHz；It is all connected with adapter on the left of the elementary cell of PLC；Built-in programming port reaches to be not less than the high-speed communication of 115.2kbps, and uses 3 ports simultaneously；The control of the highest include remote I/O 84 is realized by the extension of CC-Link network；And the setting of the monitoring of software, test, clock can be carried out.
6. the dynamic drilling cuttings pressure-swing desorption experimental system of one according to claim 1, it is characterized in that, the range ability of described mass-flow gas meter one, mass-flow gas meter two and mass-flow gas meter three is followed successively by 100ml/min, 500ml/min, 10000ml/min respectively.
7. the dynamic drilling cuttings pressure-swing desorption experimental system of one according to claim 1, it is characterised in that described electromagnetic valve one, electromagnetic valve two, electromagnetic valve three, electromagnetic valve four, electromagnetic valve five pressure voltage be 10MPa.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105466806A (en) * | 2016-01-08 | 2016-04-06 | 河南理工大学 | Dynamic pressure-variable desorption experiment system for drilling cuttings |
| CN105974070A (en) * | 2016-07-22 | 2016-09-28 | 中国矿业大学 | Device and method for simulating influences of underground water on coalbed methane |
| CN106896034A (en) * | 2017-03-28 | 2017-06-27 | 安徽理工大学 | Coal sample reduction process gas loss is measured determines experimental system and method |
| CN107748082A (en) * | 2017-09-30 | 2018-03-02 | 河南理工大学 | The malleation that drills sampling coal sample gas leakage analogue means and test device and method |
| CN108918336A (en) * | 2018-07-22 | 2018-11-30 | 中煤科工集团重庆研究院有限公司 | Full-automatic gas desorption index and drill chip quantity rapid measuring device |
| CN110470510A (en) * | 2019-08-26 | 2019-11-19 | 贵州大学 | A kind of acquisition tank with gas bearing capacity measurement |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466806A (en) * | 2016-01-08 | 2016-04-06 | 河南理工大学 | Dynamic pressure-variable desorption experiment system for drilling cuttings |
| CN105466806B (en) * | 2016-01-08 | 2018-05-25 | 河南理工大学 | A kind of dynamic drilling cuttings pressure-swing desorption experimental system |
| CN105974070A (en) * | 2016-07-22 | 2016-09-28 | 中国矿业大学 | Device and method for simulating influences of underground water on coalbed methane |
| CN105974070B (en) * | 2016-07-22 | 2018-01-23 | 中国矿业大学 | A kind of underground water influences analogue means and method to coal bed gas |
| CN106896034A (en) * | 2017-03-28 | 2017-06-27 | 安徽理工大学 | Coal sample reduction process gas loss is measured determines experimental system and method |
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| CN108918336B (en) * | 2018-07-22 | 2020-12-04 | 中煤科工集团重庆研究院有限公司 | Full-automatic gas desorption index and drill chip quantity rapid measuring device |
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