CN204086108U - Oil shale pyrolysis reaction tracker - Google Patents

Oil shale pyrolysis reaction tracker Download PDF

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Publication number
CN204086108U
CN204086108U CN201420539187.8U CN201420539187U CN204086108U CN 204086108 U CN204086108 U CN 204086108U CN 201420539187 U CN201420539187 U CN 201420539187U CN 204086108 U CN204086108 U CN 204086108U
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China
Prior art keywords
pyrolysis
laser
sample
oil shale
casing
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Expired - Fee Related
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CN201420539187.8U
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Chinese (zh)
Inventor
赵昆
董晨
宝日玛
孙琦
吕志清
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China University of Petroleum Beijing
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China University of Petroleum Beijing
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  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The utility model provides a kind of oil shale pyrolysis reaction tracker, and wherein, this tracker comprises: pyrolysis installation, for providing pyrolysis environment for the resinous shale sample be placed in pyrolysis installation, pyrolysis installation is provided with a laser-transmitting window; Generating laser, is arranged at the outside of pyrolysis installation, and for sending laser signal, and laser signal is radiated on resinous shale sample by laser-transmitting window; Signal receiving device, is connected with resinous shale sample by wire, the electric signal that the resinous shale sample for receiving in pyrolysis environment produces under laser irradiates, and wherein, electric signal is for analyzing the pyrolysis characteristics of resinous shale sample.The utility model solves the technical matters that in prior art, the research process that causes is loaded down with trivial details with the pyrolysis characteristics of Thermalysis mass loss curve and difference quotient mass loss CURVE STUDY resinous shale, by being applied in the analysis of pyrolysis characteristics by photovoltaic effect, reach the technique effect reducing the complexity researched and analysed.

Description

Oil shale pyrolysis reaction tracker
Technical field
The utility model relates to oil shale pyrolysis analysis technical field, particularly a kind of oil shale pyrolysis reaction tracker.
Background technology
Pyrolytic reaction refers to a series of decomposition reactions that material occurs under heating status, utilize pyrolytic reaction can study physical property and the chemical property of reactant, contribute to the state differentiating that reactant is residing in course of reaction, also can determine the composition of reactant and composition etc. simultaneously.
Resinous shale is the pulveryte containing solid combustible organic matter in mineral body, and organism wherein exists with kerogenic form, and pyrolysis oil shale is the effective means obtaining oil shale fuel and Research on Oil shale constituent.The mechanism of oil shale pyrolysis is very complicated, contains a series of serial and parallel reaction.
At present, research for the pyrolysis characteristics of resinous shale is all mainly lose the physical characteristics on (TG) curve and these surfaces of difference quotient mass loss (DTG) curve based on Thermalysis mass, but, these research methods all need to carry out repeatedly complicated measurement, implement comparatively loaded down with trivial details.
Utility model content
The utility model embodiment provides a kind of oil shale pyrolysis reaction tracker, and to reduce the complexity that oil shale pyrolysis characteristic research is analyzed, this tracker comprises:
Pyrolysis installation, for providing pyrolysis environment for the resinous shale sample be placed in described pyrolysis installation, described pyrolysis installation is provided with a laser-transmitting window;
Generating laser, is arranged at the outside of described pyrolysis installation, and for sending laser signal, and described laser signal is radiated on described resinous shale sample by described laser-transmitting window;
Signal receiving device, is connected with described resinous shale sample by wire, the electric signal that the resinous shale sample for receiving in pyrolysis environment produces under laser irradiates, and wherein, described electric signal is for analyzing the pyrolysis characteristics of described resinous shale sample.
In one embodiment, described pyrolysis installation comprises:
The casing of closed heat insulation, described casing is provided with air admission hole and venthole;
Sample stage, is positioned at described casing, for clamping described resinous shale sample;
Binding post, is positioned on the sidewall of described casing, for providing described resinous shale sample and the interconnective interface of described signal receiving device;
Attemperating unit, is connected with described casing, for controlling the temperature in described casing;
Gas passes into and passing out set, is connected with venthole by described air admission hole with described casing, for passing into the gas needed for pyrolysis environment in described casing, and is discharged by the gas in described casing.
In one embodiment, described casing is made up of heat insulation rigid material.
In one embodiment, the inner side of described casing and/or arranged outside have thermofin.
In one embodiment, the gas needed for described pyrolysis environment is inert gas.
In one embodiment, described sample stage comprises: motorized precision translation stage and/or electric rotary table.
In one embodiment, described wire does not arrange insulation course, and described sample stage is made up of heatproof nonmetal material.
In one embodiment, described laser-transmitting window is made up of quartz glass.
In one embodiment, between described pyrolysis installation and described generating laser, lens combination is provided with.
In one embodiment, described signal receiving device is oscillograph.
In one embodiment, between described pyrolysis installation and described oscillograph, signal amplifier is connected with.
In the utility model embodiment, provide a kind of oil shale pyrolysis reaction tracker, this instrument comprises pyrolysis installation, generating laser and signal receiving device, by resinous shale sample is placed in pyrolysis installation, record the electric signal that the resinous shale sample in pyrolysis environment produces under laser irradiates, the analysis of the pyrolysis characteristics based on photovoltaic effect can be realized.The utility model solves the technical matters that in prior art, the research process that causes is loaded down with trivial details with the pyrolysis characteristics of Thermalysis mass loss curve and difference quotient mass loss CURVE STUDY resinous shale, by being applied in the analysis of pyrolysis characteristics by photovoltaic effect, reach the technique effect reducing the complexity researched and analysed.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the oil shale pyrolysis reaction tracker of the utility model embodiment;
Fig. 2 is the pyrolysis installation schematic diagram of the utility model embodiment;
Fig. 3 is the using method process flow diagram of the oil shale pyrolysis reaction tracker of the utility model embodiment;
Fig. 4 is the sample lead pin schematic diagram of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and illustrating for explaining the utility model, but not as to restriction of the present utility model.
In this example, in order to the pyrolysis characteristics of Research on Oil shale better, propose a kind of oil shale pyrolysis reaction tracker, photovoltaic effect can be utilized by this device, photoelectric analysis technology is applied in the research of pyrolytic reaction, for the change situation of (such as: temperature, pressure, the rate of heat addition, reaction time etc.) oil shale pyrolysis process under following the tracks of various condition.
As shown in Figure 1, this oil shale pyrolysis reaction tracker comprises:
Pyrolysis installation 101, for providing pyrolysis environment for the resinous shale sample be placed in described pyrolysis installation, pyrolysis installation is provided with a laser-transmitting window 102;
Generating laser 103, is arranged at the outside of described pyrolysis installation, and for sending laser signal, and described laser signal is radiated on described resinous shale sample by laser-transmitting window 102;
Signal receiving device 104, is connected with described resinous shale sample by wire, the electric signal that the resinous shale sample for receiving in pyrolysis environment produces under laser irradiates, and wherein, described electric signal is for analyzing the pyrolysis characteristics of described resinous shale sample.
In this example, provide a kind of oil shale pyrolysis reaction tracker, this instrument comprises pyrolysis installation, generating laser and signal receiving device, by resinous shale sample is placed in pyrolysis installation, record the electric signal that the resinous shale sample in pyrolysis environment produces under laser irradiates, the analysis of the pyrolysis characteristics based on photovoltaic effect can be realized.The utility model solves the technical matters that in prior art, the research process that causes is loaded down with trivial details with the pyrolysis characteristics of Thermalysis mass loss curve and difference quotient mass loss CURVE STUDY resinous shale, by being applied in the analysis of pyrolysis characteristics by photovoltaic effect, reach the technique effect reducing the complexity researched and analysed.
Concrete, pyrolysis installation 101 can comprise as shown in Figure 2:
The casing of closed heat insulation, described casing is provided with air admission hole and venthole (air intake opening namely in figure and gas outlet);
Sample stage, is positioned at described casing, for clamping described resinous shale sample;
Binding post, is positioned on the sidewall of described casing, for providing described resinous shale sample and the interconnective interface of described signal receiving device;
Attemperating unit, not shown, be connected with casing, for controlling the temperature in casing, concrete, can be in casing, establish one piece of heating plate, control heating plate by attemperating unit, thus realize the control to temperature in casing;
Gas passes into and passing out set, be connected with described casing with venthole by described air admission hole, for passing into the gas needed for pyrolysis environment in described casing, and the gas in described casing is discharged, why need to arrange air admission hole and venthole simultaneously, to prevent casing blast when sample carries out pyrolytic reaction, therefore, need to lead to inert gas by air admission hole and venthole, get rid of the gas of inert gas and pyrolytic reaction generation, make the state being in the circulation of a kind of gas in pyrolysis installation.When specific implementation, because laser energy is too high, inert gas protection can be passed into.
Casing can be made up of heat-resisting rigid material, in order to ensure heat insulation effect, can also install thermofin additional in the inner side of casing and/or outside.The effect of the sample stage in pyrolysis installation is exactly clamped sample, coordinate the use of universal stage and/or translation stage can realize the clamping of sample, movement and rotation, preferably, owing to there is hot environment, plain conductor is generally do not add insulation course, in order to avoid short circuit, universal stage and translation stage can use the heat-resisting nonmetallic materials such as quartz to make.Further, consider the environmental factor of High Temperature High Pressure in casing, translation stage and universal stage can select motorized precision translation stage and electric rotary table.Consider that quartz glass has good laser-transmissible, simultaneously high temperature resistant heat insulation, the laser-transmitting window therefore arranged on casing can be made up of quartz glass.
Because this pyrolysis installation needs to be connected with the opertaing device etc. of the oscillograph outside device, signal amplifier or outside, therefore, need to arrange lead pin with sample stage side in casing, on casing, be also reserved with the aperture positions such as the line mouth of the device of temperature and pressure in the power supply string holes of motorized precision translation stage, the air admission hole of gas and venthole, detection casing simultaneously.
In order to obtain the laser of suitable dimension and energy, lens combination can be added between pyrolysis installation and generating laser.Above-mentioned signal receiving device can be an oscillograph, considers that the signal received may be very faint, can connect a signal amplifier between oscillograph and pyrolysis installation.
Above-mentioned oil shale pyrolysis reaction tracker can use according to method as shown in Figure 3, comprises the following steps:
Step 301: resinous shale sample is placed in pyrolysis installation;
Step 302: the laser optical path sent pyrolysis installation being placed in generating laser;
Step 303: adjust environment in described pyrolysis installation to pyrolysis environment;
Step 304: open described generating laser, signal receiving device receives and shows the electric signal that resinous shale sample in pyrolysis environment produces under laser irradiates, and wherein, described electric signal is for analyzing the pyrolysis characteristics of described resinous shale sample.
In the process of concrete operations, pyrolysis installation is needed to be placed in laser optical path, ensure that irradiation is on the surface of sample, then each lead-in wire is connected with oscillograph, direct-flow voltage regulation source and computer etc., temperature control, gas access equipment are connected, then pyrolysis installation is placed in pyrolysis environment, opens generating laser, start to test.
Below in conjunction with a specific embodiment, the utility model is described, but it should be noted that this specific embodiment is only to better the utility model is described, do not form improper restriction of the present utility model.
In this example, provide instrument that a kind of oil shale pyrolysis based on photovoltaic effect measures (namely, oil shale pyrolysis reaction tracker) and using method, concrete, be in a pyrolysis environment, sample be placed on sample stage, utilize laser irradiation in sample surfaces, produce photovoltaic effect, utilize oscillograph etc. to receive sample signal, the change according to its signal carries out trace analysis to pyrolysis reactor.Above-mentioned pyrolysis environment refers to temperature environment and the pressure environment of setting, wherein, temperature environment can be fixing temperature conditions, also can be the temperature conditions of change, air pressure environment can be fixing air pressure conditions, also can be the air pressure conditions of change, pyrolysis environment mainly comprises: the condition such as temperature variation, air pressure change, namely the temperature of change and/or the air pressure of change is set, according to the speed of change, research pyrolysis characteristics.In pyrolysis environment, because laser energy is higher, inert gas protection can be passed into.
The instrument should measured based on the oil shale pyrolysis of photovoltaic effect comprises: this three part of emitter, pyrolysis installation, receiving and processing device, wherein:
1) emitter, namely provides the device of electrical signal, and this device is generating laser;
2) pyrolysis installation, comprising: sample stage, packoff, heating arrangement, and wherein, sample stage is used for fixed sample, transmits the electric signal of sample, and packoff and heating arrangement are used for providing corresponding environment for the pyrolysis of sample;
3) receiving and processing device, comprising: oscillograph and computer, wherein, oscillograph as the device of Received signal strength, the signal post storage of apparatus such as computer and treating apparatus.In addition, in order to increase signal to noise ratio (S/N ratio), improving the readability of signal, direct-flow voltage regulation source can be added in a device thus providing deflection voltage for sample.
In this example, by pyrolytic reaction and photovoltaic technology are connected, this equipment real-time follow-up reaction process can be utilized in the process of pyrolytic reaction, thus solve in prior art and can only carry out pyrolytic reaction separately, itself and light path cannot be carried out being connected the technical matters realizing photoelectric measurement.
Below above-mentioned several ingredient is described:
Pyrolysis installation comprises: passing into and receiving trap of the casing (heat-proof device) of closed heat insulation, sample stage, lead pin and supporting attemperating unit and gas.Wherein, sample stage is made up of heat proof material, and for clamped sample, the use of cooperation universal stage and translation stage can realize the clamping of sample, movement and rotation.Preferably, owing to there is hot environment, plain conductor can not add insulation course, for avoiding short circuit, can use the heat-resisting nonmetallic materials such as quartz.
The casing of closed heat insulation can be made by heat insulation rigid material, for ensureing effect of heat insulation, can install thermofin additional in addition at box inside and outside.
On a sidewall of casing, offer a laser-transmitting window, because quartz glass has good laser-transmissible, simultaneously high temperature resistant and heat insulation, therefore transmission window can be made up of quartz glass.
In casing, be provided with sample stage and lead pin, wherein, sample stage comprises: a universal stage, a D translation platform and grain-clamping table etc., wherein, universal stage and translation stage can use electronic or manual, consider the leakproofness of casing and the factor of high temperature and high pressure environment, preferably use motorized precision translation stage and electric rotary table.
As shown in Figure 4, the position that 5 can connect lead-in wire is shown at sample subscript, different lead pin experimentally can need the electric potential difference of measurement diverse location and determine, the point of 4 black represents that front is provided with 4 lead pin in the diagram, 1 white point represents that reverse side is provided with a lead pin, when measurement, lead pin can be chosen as required, two lead pin form a loop, in parallel between loop with loop, thus the electric potential difference measured between two lead pin, such as: when measuring electric potential difference with pin 2 of electric potential difference between pin 1 and pin 3 and pin 1 simultaneously, 1 and 3 loops formed are exactly in parallel with the loop that 1 and 2 are formed.Because be provided with 4 lead pin in front, therefore the electric potential difference of diverse location can be measured, because being also provided with lead pin at reverse side, thus longitudinal electric potential difference can be measured, concrete, be connected with the binding post on casing lead-in wire one end, the other end is connected with the lead pin of sample, and the binding post on casing is connected, in order to obtain sample signal with Signal reception treating apparatus such as the oscillographs outside casing.That is, the sample stage in casing arranges lead pin, utilizes wire, the equipment connections such as signal receiver, amplifier such as the sample stage in pyrolysis installation and the oscillograph outside device get up, and the electric signal produced can be received and analyze.But, it should be noted that lead pin in above-mentioned Fig. 4 number is set and setting position is only to better the utility model is described, can select other setting position and number when specific implementation as required, the application is in this no limit.
Casing also needs the aperture position of the connector of the device such as temperature and pressure in the power supply string holes of reserved motorized precision translation stage, gas inlet and venthole, monitoring casing etc.
In order to reduce dispersing of laser in light path, lens combination can be added between pyrolysis installation and laser, to obtain the laser of suitable dimension and energy.
When concrete measurement, be positioned on specimen holder by the sample handled well, ensure lead-in wire one end and sample contacts well, the other end is connected in the lead pin of binding post, and specimen holder is placed in casing, ensures that casing is sealing.Pyrolysis installation is placed in laser optical path, ensures that laser irradiation is at sample surfaces, is connected each lead-in wire with receiving and processing device (oscillograph, direct-flow voltage regulation source and computer etc.), temperature control, gas access equipment is connected.Pyrolysis installation is placed in pyrolysis environment, opens laser instrument, test.
From above description, can find out, the utility model embodiment achieves following technique effect: provide a kind of oil shale pyrolysis reaction tracker, this instrument comprises pyrolysis installation, generating laser and signal receiving device, by resinous shale sample is placed in pyrolysis installation, record the electric signal that the resinous shale sample in pyrolysis environment produces under laser irradiates, the analysis of the pyrolysis characteristics based on photovoltaic effect can be realized.The utility model solves the technical matters that in prior art, the research process that causes is loaded down with trivial details with the pyrolysis characteristics of Thermalysis mass loss curve and difference quotient mass loss CURVE STUDY resinous shale, by being applied in the analysis of pyrolysis characteristics by photovoltaic effect, reach the technique effect reducing the complexity researched and analysed.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model embodiment can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (11)

1. an oil shale pyrolysis reaction tracker, is characterized in that, comprising:
Pyrolysis installation, for providing pyrolysis environment for the resinous shale sample be placed in described pyrolysis installation, described pyrolysis installation is provided with a laser-transmitting window;
Generating laser, is arranged at the outside of described pyrolysis installation, and for sending laser signal, and described laser signal is radiated on described resinous shale sample by described laser-transmitting window;
Signal receiving device, is connected with described resinous shale sample by wire, the electric signal that the resinous shale sample for receiving in pyrolysis environment produces under laser irradiates, and wherein, described electric signal is for analyzing the pyrolysis characteristics of described resinous shale sample.
2. oil shale pyrolysis reaction tracker as claimed in claim 1, it is characterized in that, described pyrolysis installation comprises:
The casing of closed heat insulation, described casing is provided with air admission hole and venthole;
Sample stage, is positioned at described casing, for clamping described resinous shale sample;
Binding post, is positioned on the sidewall of described casing, for providing described resinous shale sample and the interconnective interface of described signal receiving device;
Attemperating unit, is connected with described casing, for controlling the temperature in described casing;
Gas passes into and passing out set, is connected with venthole by described air admission hole with described casing, for passing into the gas needed for pyrolysis environment in described casing, and is discharged by the gas in described casing.
3. oil shale pyrolysis reaction tracker as claimed in claim 2, it is characterized in that, described casing is made up of heat insulation rigid material.
4. oil shale pyrolysis reacts tracker as claimed in claim 2 or claim 3, and it is characterized in that, inner side and/or the arranged outside of described casing have thermofin.
5. oil shale pyrolysis reaction tracker as claimed in claim 2, it is characterized in that, the gas needed for described pyrolysis environment is inert gas.
6. oil shale pyrolysis reaction tracker as claimed in claim 2, it is characterized in that, described sample stage comprises: motorized precision translation stage and/or electric rotary table.
7. oil shale pyrolysis reaction tracker as claimed in claim 6, it is characterized in that, described wire does not arrange insulation course, and described sample stage is made up of heatproof nonmetal material.
8. oil shale pyrolysis reaction tracker as claimed in claim 1, it is characterized in that, described laser-transmitting window is made up of quartz glass.
9. oil shale pyrolysis reaction tracker as claimed in claim 1, is characterized in that, between described pyrolysis installation and described generating laser, be provided with lens combination.
10. oil shale pyrolysis reaction tracker as claimed in claim 1, it is characterized in that, described signal receiving device is oscillograph.
11. oil shale pyrolysis reaction trackers as claimed in claim 10, is characterized in that, between described pyrolysis installation and described oscillograph, be connected with signal amplifier.
CN201420539187.8U 2014-09-18 2014-09-18 Oil shale pyrolysis reaction tracker Expired - Fee Related CN204086108U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198381A (en) * 2014-09-18 2014-12-10 中国石油大学(北京) Oil shale pyrolysis reaction tracker and using method thereof
CN110108749A (en) * 2019-04-26 2019-08-09 西北核技术研究所 The measuring system and method for polymer matrix composites pyrolysis Kinetics Parameter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104198381A (en) * 2014-09-18 2014-12-10 中国石油大学(北京) Oil shale pyrolysis reaction tracker and using method thereof
CN110108749A (en) * 2019-04-26 2019-08-09 西北核技术研究所 The measuring system and method for polymer matrix composites pyrolysis Kinetics Parameter

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