CN106124357A - A kind of multi-functional coal sample heating and oxidation rule test platform of automatic sampling - Google Patents
A kind of multi-functional coal sample heating and oxidation rule test platform of automatic sampling Download PDFInfo
- Publication number
- CN106124357A CN106124357A CN201610524823.3A CN201610524823A CN106124357A CN 106124357 A CN106124357 A CN 106124357A CN 201610524823 A CN201610524823 A CN 201610524823A CN 106124357 A CN106124357 A CN 106124357A
- Authority
- CN
- China
- Prior art keywords
- coal sample
- pipeline
- coal
- adiabatic
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 257
- 238000005070 sampling Methods 0.000 title claims abstract description 88
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000010438 heat treatment Methods 0.000 title claims abstract description 56
- 230000003647 oxidation Effects 0.000 title claims abstract description 34
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 34
- 238000012546 transfer Methods 0.000 claims abstract description 66
- 238000002474 experimental method Methods 0.000 claims abstract description 52
- 238000009826 distribution Methods 0.000 claims abstract description 23
- 230000005484 gravity Effects 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims description 240
- 238000009413 insulation Methods 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 238000009422 external insulation Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000010425 asbestos Substances 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 210000003516 pericardium Anatomy 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 105
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 15
- 230000005855 radiation Effects 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 238000004088 simulation Methods 0.000 description 25
- 238000006213 oxygenation reaction Methods 0.000 description 20
- 238000004458 analytical method Methods 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 238000001035 drying Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 230000002269 spontaneous effect Effects 0.000 description 6
- 238000002411 thermogravimetry Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/222—Solid fuels, e.g. coal
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses the multi-functional coal sample heating and oxidation rule test platform of a kind of automatic sampling, comprising: distribution intake section, for automatically controlling flow and the ratio of the various gas that will flow into described device, then mixed gas is introduced corresponding test run portion;Test run portion mainly includes that conduct heat coal sample tank and adiabatic coal sample tank etc., heat transfer coal sample tank are provided with gravity sensor, temperature sensor etc. on adiabatic coal sample tank.While carrying out the test of coal sample heating and oxidation rule, can be to the weight of the coal sample of coal sample tank, the states such as temperature are monitored in real time, rely on the coal sample sampler that device carries simultaneously, can realize the coal sample under different temperatures is carried out automatic sampling, avoiding in sampling process, high-temperature flue gas overflows the harm brought.The present invention, by the control for switch board, is possible not only to realize automatic distributing, automatically tests, and automatic sampling closes automatically, it is also possible to realize the automatic heat radiation after experiment terminates.
Description
Technical field
The present invention relates to analysis of coal sample field, the multi-functional coal sample heating and oxidation rule particularly relating to a kind of automatic sampling is surveyed
Examination platform.
Background technology
China is that a few is using coal as one of country of main energy sources in the world, and Ye Shi world producing coal is big simultaneously
State.Coal accounts for 76% in the disposable energy-consuming of China, occupies highly important status in national economy.Spontaneous combustionof coal meeting
Cause serious consequence, on the one hand threaten safety in production and the physical and mental health of miner of mine;On the other hand, also can freeze in a large number
Coal resources, burn underground equipment.Therefore, it is necessary to take effective ways and means go stop spontaneous combustionof coal, but in order to
The spontaneous fire stoping coal is necessary for more being apparent from its reason got angry and rule.But the shape due to spontaneous combustionof coal
Become reason complicated, with degree of metamorphism, molecular structure, lithotype of coal, the granularity of coal and pore structure, sulfur content, the moisture etc. of coal
Factor has relation.So, need a set of performance that can match with other experimental facilities functions at present badly more comprehensively real
Test platform, so can test the heating and oxidation rule of coal more accurately, to prevent the generation of spontaneous combustionof coal disaster.
Present stage, how the test of coal sample heating and oxidation rule is based on temperature programming and adiabatic oxygenation both means of testing, phase
Self-contained unit each other, and only get on the temperature-raising characteristic curve of coal sampling, law of heat release and coal sample oxygen from macroscopic aspect
Changing the index gas Changing Pattern etc. produced, scarce ignoring considers that from microcosmic point coal sample stacking provisions, molecular structure are to it
The impact of spontaneous fire.And, traditional coal sample heating and oxidation test platform is when choosing the coal sample required for microcosmos experiment, past
Toward time-consuming, arduously, it is also accompanied by high-temperature gas and overflows the risk hurted sb.'s feelings.Meanwhile, also due to do not account for mine gas composition again
This reality miscellaneous, test result is the most unilateral.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the multi-functional coal sample of a kind of automatic sampling that it is an object of the invention to provide
Heating and oxidation rule test platform, effective simulation coal sample heat transfer rises gentle adiabatic oxygenation, can also tie mutually with thermogravimetric test simultaneously
Closing, while realizing automatic sampling, be also infrared spectrum, it is convenient that x-ray diffraction experiment sampling provides, cost-effective,
While improving efficiency, more ensure that the safety of operation.
For solving above-mentioned technical problem, the present invention program includes:
The multi-functional coal sample heating and oxidation rule test platform of a kind of automatic sampling, it includes for controlling test platform fortune
The control centre of row, wherein, including:
Distribution intake section, for automatically controlling flow and the ratio of the various gas that will flow into described device, and by it
Mix, then mixed gas is introduced corresponding test run portion;
Test run portion includes external insulation casing, is provided with the interior Heat Insulation Experiment case of band sample tap in outside casing absolutely
Body, is provided with heat transfer coal sample tank and adiabatic coal sample tank in interior Heat Insulation Experiment casing, heat transfer coal sample tank is all provided with on adiabatic coal sample tank
Being equipped with gravity sensor, the coal sample tank that conducts heat is each configured with an automatic sampling mechanism with adiabatic coal sample tank, and heat transfer coal sample tank is with exhausted
Being provided with high density alumina silicate fibre layer, temperature probe in hot coal sample tank, heat transfer coal sample tank is by heat transfer coal pipeline, adiabatic coal
Sample tank is connected with control centre respectively by adiabatic coal pipeline, heat transfer coal pipeline, adiabatic coal pipeline all by a cooling body,
It is respectively arranged with corresponding valve on heat transfer coal pipeline, adiabatic coal pipeline, adiabatic coal pipeline is provided with a calorimeter;Interior adiabatic real
Being provided with heater, temperature sensor in tryoff body, gravity sensor, temperature sensor, temperature probe all lead to control centre
Letter connects, and is provided with heater in external insulation casing, temperature sensor, and gravity sensor, temperature sensor, temperature probe are equal
Communicate to connect with control centre.
Described multi-functional coal sample heating and oxidation rule test platform, wherein, above-mentioned distribution intake section includes at least one
Main line and several bye-passes, main line is provided with air compressor, main road manostat, main road flow stabilizing valve, main road pressure
Table and main road mass air flow sensor, bye-pass is provided with gas cylinder, branch road manostat, branch road flow stabilizing valve, branch pressure table and branch road
Mass air flow sensor, main line is all connected with a connecting line with several bye-passes, and connecting line is provided with threeway aerofluxus
Valve, the connecting line other end and a mixing chamber are connected, and mixing chamber is provided with a steam pipework, steam pipework is provided with
One steam generator, vapor pressure stabilization valve, steam flow stabilizing valve, steam gage and steam-flow meter, mixing chamber is provided with first
Pipeline and the second pipeline, the first pipeline is connected with heat transfer coal sample tank, and the second pipeline is connected with adiabatic coal sample tank, the first pipe
Mixed gas humidity measuring apparatus, mixed gas pressure maintaining valve, mixed air-flow gauge, stop valve, coal sample pressure it is respectively arranged with on road, the second pipeline
Table.
Described multi-functional coal sample heating and oxidation rule test platform, wherein, interior Heat Insulation Experiment casing side be provided with by
Multiple heaters are around the heating part formed, and the first pipeline is connected through heating part with heat transfer coal sample tank, arranges in heating part
Having fan inside, heater, fan inside all communicate to connect with control centre;Outer Heat Insulation Experiment casing side is provided with by multiple
Heater is around the heating part formed, and the second pipeline is connected, outside being provided with in heating part through heating part with adiabatic coal sample tank
Portion's fan, heater, external fan all communicate to connect with control centre.
Described multi-functional coal sample heating and oxidation rule test platform, wherein, above-mentioned control centre includes host computer, upper
Machine and gas chromatographicanalyzer communication connection, heat transfer coal pipeline, adiabatic coal pipeline are all connected with gas chromatographicanalyzer;Outward
Being provided with the switch board for placing display control instrument on the exhausted casing in portion, switch board communicates to connect with host computer.
Described multi-functional coal sample heating and oxidation rule test platform, wherein, above-mentioned automatic sampling mechanism includes sampling recessed
Groove and sampling line, sampling line is corresponding with sampling groove, sampling groove is provided with transporter, transporter is arranged
Having mobile dentation sampler, dentation sampler can stretch in corresponding tank body, and sampling groove side is provided with sampling blower fan, with
Dentation sampler moves to sampling line, starts sampling blower fan and the coal sample on dentation sampler is blown in sampling line,
Coal sample catcher is entered with sampling line.
Described multi-functional coal sample heating and oxidation rule test platform, wherein, above-mentioned coal sample catcher includes vertical shaft, vertical shaft
On be provided with several transverse axis that can rotate, the two ends of transverse axis be separately provided for collect coal sample containing tube.
Described multi-functional coal sample heating and oxidation rule test platform, wherein, above-mentioned adiabatic coal sample tank uses glass fibre
Material, the Dewar flask of double-layer structural, and surfaces externally and internally is zinc-plated, is vacuum in tank;Above-mentioned heat transfer coal sample tank is oxygen-free copper material
Asbestos gauge is all installed at cylindrical tank, bottom and top;Temperature probe is platinum wire temperature probe, and it is arranged in corresponding tank body
Portion.
The multi-functional coal sample heating and oxidation rule test platform of a kind of automatic sampling that the present invention provides, carries automatically in realization
Take, while storing coal sample, not only by computer adjusting gas flow so that many gas mix, it is also possible to use steam
Generator effectively regulates the humidity of air, in order to preferably simulate the gaseous environment of down-hole, simultaneously while focusing on safety
In conjunction with thermogravimetric test and X-ray diffraction, the demand of infrared spectrum experiment, at the interior Heat Insulation Experiment casing of band sample tap, conduct heat coal
There is sampling groove and the sampling opening being prone to take coal sample on sample tank and adiabatic coal sample tank, ensure that the effective multiple gases that controls is determined
Amount mixing, ensure the good seal of gas circuit, while the cost that reduces simulation process, additionally it is possible to simplify the people in simulation process
Work operates, and reduces human error, improves degree of accuracy and the efficiency of simulation.
Accompanying drawing explanation
Fig. 1 is the structural representation of multi-functional coal sample heating and oxidation rule test platform in the present invention;
Fig. 2 is the schematic diagram of automatic sampling mechanism in the present invention;
Fig. 3 is the cross-sectional view of automatic sampling mechanism in the present invention;
Wherein, 1: air compressor, 2: main road pressure maintaining valve, 3: main road flow stabilizing valve, 4: main road Pressure gauge, 5: gas cylinder, 6:
Road mass air flow sensor, 7: three-way exhaust valve door, 8: steam generator, 9: mixing chamber, 10: mixed gas humidity measuring apparatus, 11: outside exhausted
Hot tank body, 12: interior Heat Insulation Experiment casing, 13: interior heater, 14: external heater 15: fan inside, 16: gravity sensitive
Device, 17: heat transfer coal sample tank, 18: adiabatic coal sample tank, 19: temperature probe, 20: internal temperature sensor, 21: high density aluminium silicate
Fibrous layer, 22: automatic sampling device, 23: sampling line, 24: coal sample catcher, 25: switch board, 26: calorimeter, 27: cooling
Mechanism, 28: gas chromatographicanalyzer, 29: host computer, 30: sampling groove, 31: transporter, 32: sampling blower fan, 33: heat transfer
Coal pipeline, 34: adiabatic coal pipeline, 35: main road mass air flow sensor, 36: branch road manostat, 37: branch road flow stabilizing valve, 38: branch road pressure
Power table, 39: vapor pressure stabilization valve, 40: steam flow stabilizing valve, 41: steam gage, 42: steam-flow meter, 43: the first pipelines, 44:
Second pipeline, 45: mixed gas pressure maintaining valve, 46: mixed air-flow gauge, 47: stop valve, 48: coal sample Pressure gauge, 50: dentation sampler,
51: vertical shaft, 52: transverse axis, 53: containing tube, 54: external temperature sensor, 55 external fans.
Detailed description of the invention
The invention provides the multi-functional coal sample heating and oxidation rule test platform of a kind of automatic sampling, for making the present invention's
Purpose, technical scheme and effect are clearer, clear and definite, and the present invention is described in more detail below.Should be appreciated that this place is retouched
The specific embodiment stated only in order to explain the present invention, is not intended to limit the present invention.
The invention provides the multi-functional coal sample heating and oxidation rule test platform of a kind of automatic sampling, as shown in Figure 1,
It includes for controlling the control centre that test platform runs, it is characterised in that including:
Distribution intake section, for automatically controlling flow and the ratio of the various gas that will flow into described device, and by it
Mix, then mixed gas is introduced corresponding test run portion;
Test run portion includes external insulation casing 11, is provided with the interior adiabatic real of band sample tap in external insulation casing 11
Tryoff body 12 and heat transfer coal sample tank 17, be provided with adiabatic coal sample tank 18 in interior Heat Insulation Experiment casing 12, heat transfer coal sample tank 17 is with exhausted
Being provided with gravity sensor 16 on hot coal sample tank 18, heat transfer coal sample tank 17 is each configured with one with adiabatic coal sample tank 18 and automatically takes
Model machine structure 22, heat transfer coal sample tank 17 is provided with high density alumina silicate fibre layer 21, temperature probe 19 in adiabatic coal sample tank 18,
Heat transfer coal sample tank 17 is connected with control centre by adiabatic coal pipeline 34 respectively by heat transfer coal pipeline 33, adiabatic coal sample tank 8,
Heat transfer coal pipeline 33, adiabatic coal pipeline 34 all by a cooling body 27, heat transfer coal pipeline 33, adiabatic coal pipeline 34 set respectively
It is equipped with corresponding valve, adiabatic coal pipeline 34 is provided with a calorimeter 26;It is provided with internal temperature in interior Heat Insulation Experiment casing 12
Sensor 20, gravity sensor 16, internal temperature sensor 20, temperature probe 19 all communicate to connect with control centre.
In another preferred embodiment of the present invention, above-mentioned distribution intake section includes at least one main line and several
Pipeline, main line is provided with air compressor 1, main road manostat 2, main road flow stabilizing valve 3, main road Pressure gauge 4 and main road air
Effusion meter 35, bye-pass is provided with gas cylinder 5, branch road manostat 36, branch road flow stabilizing valve 37, branch pressure table 38 and branch road air
Effusion meter 6, main line is all connected with a connecting line with several bye-passes, and connecting line is provided with three-way exhaust valve door
7, the connecting line other end and a mixing chamber 9 are connected, and mixing chamber 9 is provided with a steam pipework, steam pipework is provided with
One steam generator 8, vapor pressure stabilization valve 39, steam flow stabilizing valve 40, steam gage 41 and steam-flow meter 42, on mixing chamber 9
Being provided with the first pipeline 43 and the second pipeline 44, the first pipeline 43 is connected with heat transfer coal sample tank 17, and the second pipeline 43 is with adiabatic
Coal sample tank 18 is connected, and first pipeline the 43, second pipeline 44 is respectively arranged with mixed gas humidity measuring apparatus 10, mixed gas pressure maintaining valve
45, mixed air-flow gauge 46, stop valve 47, coal sample Pressure gauge 48.
Further, interior Heat Insulation Experiment casing 12 side is provided with by multiple interior heaters 13 around the heating formed
Portion, the first pipeline 43 is connected through heating part with heat transfer coal sample tank 17, is provided with fan inside 15, internal heating in heating part
Device 13, fan inside 15 all communicate to connect with control centre.
Further, outer Heat Insulation Experiment casing 11 side is provided with by multiple external heaters 14 around the heating formed
Portion, the second pipeline 44 is connected with adiabatic coal sample tank 18 through heating part, is provided with external fan 55, external heat in heating part
Device 14, external fan 55 all communicate to connect with control centre.
Further, above-mentioned control centre includes that host computer 29, host computer 29 can use PC, notebook computer etc.
Equipment, host computer 29 communicates to connect with a gas chromatographicanalyzer 28, heat transfer coal pipeline 33, adiabatic coal pipeline 34 all with gas phase color
Spectrometer 28 is connected;The switch board 25 for placing display control instrument, switch board it is provided with on external insulation casing 11
25 communicate to connect with host computer 29.
Further, as shown in Figure 2 and Figure 3, above-mentioned automatic sampling mechanism includes sampling groove 30 and sampling line
23, sampling line 23 is corresponding with sampling groove 30, and sampling groove 30 is provided with transporter 31, and transporter 31 can be adopted
Using belt sample transferring device, transporter 31 is provided with mobile dentation sampler 50, dentation sampler 50 can stretch into correspondence
In tank body, sampling groove 30 side is provided with sampling blower fan 32, moves to sampling line 23 with dentation sampler 50, starts
Coal sample on dentation sampler 50 is blown in sampling line 23 by sampling blower fan 32, enters coal sample catcher with sampling line 23
24。
Further, above-mentioned coal sample catcher includes vertical shaft 51, and vertical shaft 51 is provided with several transverse axis that can rotate
52, the two ends of transverse axis 52 are separately provided for collecting the containing tube 53 of coal sample.
Further, above-mentioned adiabatic coal sample tank 18 uses the Dewar flask of glass fibre material, double-layer structural, and interior appearance
Face is zinc-plated, is vacuum in tank;Above-mentioned heat transfer coal sample tank 17 is the cylindrical tank of oxygen-free copper material, and asbestos are all installed at bottom and top
Net;Temperature probe 19 is popped one's head in for platinum wire temperature, and it is arranged on the middle part of corresponding tank body.
In order to the present invention is described in further detail, it is exemplified below the most detailed embodiment and illustrates.
It is that the embodiment of the present invention is a kind of can be with the multi-functional coal sample heating and oxidation rule test platform architecture of automatic sampling
Schematic diagram.The a kind of of the embodiment of the present invention can survey with the multi-functional coal sample heating and oxidation rule of automatic sampling as can be seen from Figure 1
The general structure of examination platform, including distribution intake section, temperature control part, coal sample intensification experimental provision, automatic sampling portion, instead
Answer gas collecting analysis portion, these 6 parts of data acquisition process portion.
In one embodiment, coal sample intensification experimental provision is main experimental provision, has heat transfer intensification analog systems, absolutely
Thermal oxide analog systems forms with thermogravimetric test, and wherein distribution intake section, temperature control part, automatic sampling portion, reacting gas is adopted
Set analysis portion, data acquisition process portion is heat transfer intensification analog systems, and adiabatic oxygenation analog systems institute is public.
Specifically, the distribution intake section in the present invention include air compressor 1, several pressure maintaining valves, some flow stabilizing valves,
Some Pressure gauges, some gas cylinders, some mass air flow sensor, some threeway gas valves and 8, mixed gas of a steam generator
Room 9 and a mixed gas humidity measuring apparatus 10.Air inlet distribution portion is mainly used in: by switch board 25 to the instrument such as pressure maintaining valve, flow stabilizing valve
The control of table, it is achieved be automatically adjusted distribution and the supply of various gas, make up to flow set in advance and ratio, via
Mixing chamber 9 mixes by corresponding pipeline, reaches various piece.In present embodiment, steam is provided by steam generator 8, its
Remaining each experimental gas such as O2,CO2,N2,CH4Deng all having corresponding gas cylinder 5 to provide.Pressure maintaining valve, flow stabilizing valve, Pressure gauge, threeway ventilation
The instrument such as valve 7, mass air flow sensor are both needed to be correspondingly arranged.
Temperature control part in the present invention includes external insulation casing 11, the interior Heat Insulation Experiment casing 12 of band sample tap, interior
Portion's heater 13, external heater the 14, first pipeline the 43, second pipeline 44, fan inside 15, multiple internal temperature sensor 20
Deng.Temperature control part of the present invention is mainly: internal carried out the interior Heat Insulation Experiment case 12 of control strip sample tap by computer program in
Heater 13 or the temperature of external insulation casing 11 inside and outside heater 14, by the control of switch board 25, make internal heating
Device 13, the temperature of external heater 14 and heating mode are identical with experimental design, simultaneously ambient temperature and the first pipeline 43,
Temperature in second pipeline 44 is led to many internal temperature sensors 20, external temperature sensor 54, is fed back to switch board 25 thus real
Execute the intelligent monitoring of temperature.And then realize heating up, the Automatic control and measure of constant temperature.
Coal sample intensification experimental provision in the present invention mainly includes gravity sensor 16, heat transfer coal sample tank 17, adiabatic coal sample
Tank 18, multiple temperature probe 19.Coal sample intensification experimental provision of the present invention is the core apparatus in the present invention, is used for carrying out thermogravimetric real
Test, intensification of conducting heat is tested and adiabatic oxygenation experiment.By the detection to gravity sensor 16, switch board 25 feeds back with effective
Carry out coal sample tank weight to change along with the change of temperature.Temperature probe 19 can effectively react heat transfer coal sample tank 17, absolutely simultaneously
The temperature of hot coal sample tank 18, switch board 25 rises the variations in temperature song of coal sample in gentle adiabatic oxygenation two experiment to reflect heat transfer
Line.
Automatic sampling portion in the present invention is automatic sampling device 22, and automatic sampling device 22 specifically includes that probe tube
Road 23 and coal sample catcher 24.This part is primarily implemented under corresponding design temperature heat transfer intensification experiment and adiabatic oxygenation real
Coal sample in testing is sampled.Coal sample is taken out in the temperature set by the automatic sampling device 22 that controls of engineering software, and
Coal sample is transported in sampling line 23, by sampling blower fan 32, coal sample is delivered to coal sample catcher by sampling line 23
24。
Reacting gas collection analysis portion in the present invention mainly includes calorimeter 26, cooling body 27, gas chromatographic analysis
Instrument 28.Reacting gas collection analysis portion in the present invention is mainly used in measuring in adiabatic oxygenation experimental simulation, coal sample autothermal oxidation
Produced heat, and the collection and confinement of gases that will produce in heat transfer intensification and adiabatic oxygenation experiment, cooling is also analyzed, and reacts life
The gas become produces from heat transfer coal sample tank 17, adiabatic coal sample tank 18, through air delivering pipeline 14, chiller 27 cools down, enters
Gas chromatographicanalyzer 28, then analysis and the detection of gas it is automatically performed by gas chromatographicanalyzer 28, and record corresponding number
According to.
Data acquisition process portion in the present invention is mainly made up of host computer 29, and host computer 29 can be PC, PC 29
Gas chromatographicanalyzer 28 in coupled reaction gas collecting analysis portion and the temperature probe 19 in coal sample intensification experimental provision,
Gravity sensor 16, the interior heater 13 in temperature control part, external heater 14, internal temperature sensor 20, outside temperature
Degree sensor 54.It is mainly used in various sensors, the storage of data obtained by instrument, record and analyze.
As shown in Figure 2 and Figure 3, it substantially operates to for automatic sampling device 22 of the present invention: sample is by dentation sampler
50 take out, and the sampling groove 30 of the sampling line 23 manufactured by glass material delivered to by sample by communicated device 31, via taking
Sample blower fan 32 provides wind-force, at sample delivery to coal sample catcher 24.
The most each components and parts/equipment introduction is as follows.
Distribution intake section of the present invention: air compressor 1 is used to compressed air and provides the gas of certain pressure;Pressure maintaining valve
Be used to see by experimental gas pressure be set in the range of;Flow stabilizing valve is used to the gas flow by this each valve at list
A setting value is controlled in bit time;Pressure gauge is used to measure and indicative for environments pressure;Some gas cylinders are used to provide experiment
Required designated gas;Mass air flow sensor is used to the air mass flow of suction is converted into the signal of telecommunication, during for units of measurement
In flow through the gas flow of instrument;Threeway gas valve be used to discharge be not inconsistent standard gas;One steam generator 8
It is used to provide certain steam, provides specific humidity for experimental gas;One mixing chamber 9 is used to be sufficiently mixed experiment
Gas;Mixed gas humidity measuring apparatus 10 is used to the humidity of experiments of measuring gas;Switch board 25 is to control interior heater 13 to change
Become the temperature in the interior Heat Insulation Experiment casing 12 of sample tap, the flow of Control release gas, show detected by each sensor
Data.
Temperature control part in the present invention: external insulation casing 11 uses adiabator to provide second protection for experiment;Band
It is scattered that the interior Heat Insulation Experiment casing 12 of sample tap uses adiabator to ensure outside heat is, and the design simultaneously carrying sample tap conveniently takes
Sample;Interior heater 13 is used to the temperature controlling in the interior Heat Insulation Experiment casing 12 of band sample tap;Internal temperature sensor 20
It is used to the temperature detecting in the interior Heat Insulation Experiment casing 12 of band sample tap;It is real that external heater 14 is used to control external insulation
Temperature in tryoff body 11;External temperature sensor 54 is used to detect the temperature in external insulation experimental box body 11;First pipe
Road the 43, second pipeline 44 is used to carry gas, takes heat conductivity and corrosion-resistant preferable brass material convenient for real simultaneously
Test gas heat-transfer;Fan inside 15, external fan 55 are used to heat radiation, and the heat being the most also used in balance test casing divides
Cloth;Switch board 25 is to control interior heater 13, external heater 14 to change interior Heat Insulation Experiment case 12, external insulation experimental box
Temperature in 11, simultaneously can also the flow of Control release gas, show the data detected by each sensor simultaneously.At this
In embodiment, switch board 25 is public for distribution intake section, temperature control part.
Coal sample intensification experimental provision in the present invention: gravity sensor 16 is used to detect the coal sample weight in corresponding tank body
Change along with the change of temperature;Heat transfer coal sample tank 17 is used to carry out the capital equipment of heat transfer intensification experiment;Adiabatic coal sample tank
18 are used to carry out the capital equipment of adiabatic oxygenation experiment;Multiple temperature probes 19 are used to detect the temperature of coal sample in coal sample tank
Degree.Automatic sampling device 22 is to be controlled by engineering software, reaches setting in heat transfer coal sample tank 17 or adiabatic coal sample tank 18
After temperature, carry out automatic sampling, and coal sample is transported in corresponding sample pipeline 23.One should be had a section of sampling line 23
Sampling blower fan 32, under the action of the forces of the wind, is delivered to coal sample catcher 24 by coal sample by sampling line 23.
Reacting gas collection analysis portion in the present invention: when calorimeter 26 is used to measure adiabatic oxygenation experiment, coal sample produces
Heat, cooling body 27 is used to cool down the high temperature formed in corresponding tank body and hardens gas;Gas chromatographicanalyzer 28 is
It is used for the gas in coal sample tank is detected, obtains the result of qualitative/quantitative.Data acquisition process portion in the present invention: PC
Machine 29 is used to the control to whole device and the analysis of device generation data and storage.Additionally, coal sample is test sample is coal
Powder or coal grain, temperature programming experiment coal sample size is that 50 mesh-80 mesh are preferred, and adiabatic oxygenation experiment coal sample size is that 80 mesh are left
Right.
In this experiment method, first pipeline the 43, second pipeline 44 is the aldubra material that alloy designations is HPb59-3-2,
The most a diameter of 2.2mm, pipeline wall thickness 0.80mm, preheated by the interior Heat Insulation Experiment casing 12 at band sample tap so that the
The temperature of the experimental gas in one pipeline the 43, second pipeline 44 is identical with design temperature.
Heat transfer coal sample tank 17, for the cylindrical tank of oxygen-free copper material, a diameter of 8cm of cylindrical base, a height of 12cm, bottom and
It is 1cm that asbestos gauge distance top base respectively is all installed at top, is filled to high density alumina silicate fibre, and middle part is provided with a platinum filament
Temperature probe.
Adiabatic coal sample tank 18, uses glass fibre material, a diameter of 8cm of Dewar flask cylindrical base of double-layer structural, a height of
12cm, and surfaces externally and internally is zinc-plated, be that all to install asbestos gauge be 1cm apart from top base respectively for vacuum, bottom and top in tank, fills out
Filling for high density alumina silicate fibre, middle part is provided with a platinum wire temperature probe.
Automatic sampling device 22 on heat transfer coal sample tank, sampler material of main part uses the preferable oxygen-free copper material of heat conductivity
Matter.Automatic sampling device 22 on adiabatic coal sample tank 18, sampler 22 material of main part uses the glass fibre material that heat conductivity is poor
Matter.Sampling line 23 uses resistant to elevated temperatures, stability preferable PC material, and one end connecting fan, and the other end connects coal sample and receives
Storage 24.Interior heater 13, external heater 14, the Electromagnetic Heating mode of employing, there is the advantage that heat conversion is high.Outside exhausted
Hot tank body 11 includes casing and chamber door as interior Heat Insulation Experiment casing 12, uses stainless steel inner container, and it is double that additional asbestos are protected
Rotating fields, reaches the effect of adiabatic heat-insulation.
Thermogravimetric analysis, heat transfer intensification simulation process and the detailed process of adiabatic oxygenation simulation process are discussed in detail as follows.
1. thermogravimetric analysis
In order to save experimental period, while carrying out heat transfer intensification simulation process and adiabatic oxygenation simulation, designed, designed
A kind of thermogravimetric analysis test method.The method based on gravitational thermal analysis method, but owing to traditional thermogravimetric analysis requires coal sample
For 2mg~5mg, balance sensitivity is 0.1 μ g, is not appropriate for conduct heat intensification simulation process and adiabatic oxygenation simulation.Due to heat transfer
Intensification simulation process and adiabatic oxygenation simulation require that coal sample weight is 50g-100g, so the sensitivity arranging gravity sensor sets
It is set to 0.1mg.Such that it is able to the coal sample variation with temperature measured in coal sample tank of relative efficiency and change.
(1) coal sample is dried.The coal sample meeting granularity being placed in vacuum drying oven be dried, it is 27 Celsius for selecting baking temperature
Degree, drying time is 24 hours.Also coal sample can be loaded heat transfer coal sample tank 17, then distribution intake section be connected nitrogen gas cylinder,
Regulate switch board 25, make interior heater 13 temperature rise to 27 degree.It is passed through normal temperature drying nitrogen in heat transfer coal sample tank 17.
(2) temperature programming.Close the corresponding valve at heat transfer coal sample tank 17 two ends, simultaneously close off corresponding gas cylinder 5, use control
Cabinet 25 processed regulates interior heater 13, and the heating rate setting heater is Coal rank as 1 DEG C/min, target setting temperature
Deep oxidation phase terminal temperature.
(3) collection of temperature and the weight data of coal sample during experiment.Switch board 25 is crossed temperature probe 19 and gravity-feed tank
Answer the monitoring of device 16, after data are transferred to PC 29 by program software, the relation of coal sample weight and temperature can be obtained.
(4) experiment terminates.After experiment terminates, switch board 25 first close interior heater 13, close the most accordingly
Gas cylinder 5, air compressor 1, then by switch board 25 open experiment chamber door dispel the heat, the interior Heat Insulation Experiment casing 12 of mouth to be sampled
Instrument and equipment, in safety range, after test experience instrument is intact, is more together stopped by interior temperature.
2. heat transfer intensification experimental simulation
In order to more quickly understand different coal samples at gas with various composition, different humidity, under the conditions of different grain size etc.
The gas that temperature-raising characteristic curve and reaction generate detects and analyzes, simultaneously the most again can preferably and infrared spectrum and X-ray
Diffraction combines.The heat transfer elevated temperature test analog systems of ad hoc meter a kind of band second protection facility.
(1) coal sample is dried, and the coal sample meeting granularity is placed in vacuum drying oven and is dried, and it is 27 Celsius for selecting baking temperature
Degree, drying time is 24 hours.Also coal sample can be loaded heat transfer coal sample tank 17, then distribution intake section be connected nitrogen gas cylinder,
Regulate switch board 25, make interior heater 13 temperature rise to 27 degree.It is passed through normal temperature drying nitrogen in heat transfer coal sample tank 17, logical
Often, drying time at normal temperatures is 24h.
(2) distribution air inlet.According to the parameter first set, regulated the valve of distribution intake section by switch board 25 so that real
Various compositions and the humidity of testing gas meet the requirements the most accordingly, deliver to mixing chamber 9 through connecting line, then by pressure maintaining valve, air
Instrument detected gas flow, the pressure datas such as effusion meter, delivered to temperature control part by the first pipeline 43 by experimental gas the most again,
I.e. deliver to the heating part formed by interior heater 13.
(3) temperature programmed control.Experimental gas enters temperature control part through the first pipeline 43, is controlled by switch board 25 simultaneously
Interior heater 13, makes heater 13 heat up according to the ramp of 1 DEG C/min, until target temperature, target setting temperature is
The deep oxidation phase terminal temperature of Coal rank.Enter heat transfer coal sample tank finally by the first pipeline 43, make coal sample and High Temperature Gas
Body reacts.
(4) automatic sampling.By the switch board 25 control to automatic sampling device 22, in the temperature set by pulverized coal sample
Product take out, and by wind model, sampled for coal sample pipeline 23 are delivered to coal sample catcher 24 and preserve.
(5) gas collecting.By the control of engineering software on PC 29, by the coal sample in heat transfer coal sample tank 17 in difference
Temperature stage expellant gas is analyzed in cooling body 27 collects gas chromatographicanalyzer 28, and by gas chromatogram
The automatic record analysis the data obtained of analyser 28, and store data into PC 29.
(6) simulation stops.After completing coal sample intensification, close interior heater 13 by switch board 25, the most accordingly
Close gas cylinder 5, air compressor 1, then by switch board 25 open experiment chamber door dispel the heat, the interior Heat Insulation Experiment case of mouth to be sampled
Temperature in body 12 is in safety range, after test experience instrument is intact, turns off gas chromatograph 28 and PC 29 etc. and sets
Standby, this temperature programming simulation program stops.
3. adiabatic oxygenation experimental simulation
(1) coal sample is dried, and the coal sample meeting granularity is placed in vacuum drying oven and is dried, and it is 27 Celsius for selecting baking temperature
Degree, drying time is 24 hours.Also coal sample can be loaded adiabatic coal sample tank 18, then distribution intake section be connected nitrogen gas cylinder,
Regulate switch board 25, make external heater 14 temperature rise to 27 degree.It is passed through normal temperature drying nitrogen in adiabatic coal sample tank 18, logical
Often, drying time at normal temperatures is 24h.
(2) distribution air inlet.According to the parameter first set, regulated the valve of distribution intake section by switch board 25 so that real
Various compositions and the humidity of testing gas meet the requirements the most accordingly, deliver to mixing chamber 9 through connecting line, then by pressure maintaining valve, air
Instrument detected gas flow, the pressure datas such as effusion meter, delivered to adiabatic coal sample tank by the second pipeline 44 the most again by experimental gas
18。
(3) temperature programmed control.Experimental gas enters temperature control part through the second pipeline 44, by switch board 25 and adiabatic coal
Coal sample temperature in adiabatic coal sample tank 18 is detected by the temperature probe 20 in sample tank 18, and adjustment switch board 25 controls outside and adds
Hot device 14 make the temperature of external heater 14 all the time lower than the temperature of coal sample in adiabatic coal sample tank 18 1 DEG C to ensure adiabatic coal sample tank
18 reach adiabatic autothermal oxidation purpose.Entered adiabatic coal sample tank 18 by the second pipeline 44 the most again, make coal sample and gas carry out instead
Should.
(4) automatic sampling.By the switch board 25 control to automatic sampling device 22, in the temperature set by pulverized coal sample
Product take out, and by wind model, sampled for coal sample pipeline 23 are delivered to coal sample catcher 24 and preserve.
(5) gas collecting.By the control of engineering software on PC 29, by the coal sample in adiabatic coal sample tank 18 in difference
Temperature stage expellant gas is through calorimeter 26, and the heat production value of adiabatic self-heating in drawing adiabatic coal sample tank, then tests gas
Body is collected in gas chromatographicanalyzer 28 by cooling body 27 and is analyzed, and is automatically remembered by gas chromatographicanalyzer 28
The data obtained is analyzed in record, and stores data on PC 29.
(6) simulation stops.After completing coal sample intensification, close external heater 14 by switch board 25, the most accordingly
Close gas cylinder 5, air compressor 1, then by switch board 25 open experiment chamber door dispel the heat, the interior Heat Insulation Experiment case of mouth to be sampled
Temperature in body 12 is in safety range, after test experience instrument is intact, turns off gas chromatograph 28 and PC 29 etc. and sets
Standby, this temperature programming simulation program stops.
The thermogravimetric analysis of the present invention, conduct heat intensification experimental simulation, and adiabatic oxygenation experimental simulation shares temperature control part, coal sample
Elevated temperature test device, data acquisition process portion.The heat transfer intensification experimental simulation of the present invention, adiabatic oxygenation experimental simulation shares distribution
Intake section, temperature control part, coal sample elevated temperature test device, automatic sampling portion, data acquisition process portion, reacting gas collection analysis
Portion.The present invention can control corresponding valve by PC 29 automatically for the control of engineering software, thus realize distribution and enter
Gas and the automatization of temperature adjusting.
The present invention utilizes gravity sensor 16, PC 29 and engineering software to be possible not only to carry out thermogravimetric analysis, also may be used simultaneously
With to heat transfer intensification experimental simulation, the coal sample weight in adiabatic oxygenation experimental simulation is measured, and records and analyzes.
The present invention utilizes switch board 25, PC 29 and engineering software can automatically control the flow of various gas, it is achieved many
Plant the quantitative mixing of gas, by heater 13, experimental gas can also be heated up automatically simultaneously, external insulation casing
11, the design of interior Heat Insulation Experiment casing 12 duplicate protection can effectively prevent leaking of high-temperature gas, is realizing the same of automatization
Time, more ensure that safety.
The present invention, for preferably to serve the microcosmos experiments such as infrared spectrum, X-ray diffraction, utilizes automatic sampling device 22 real
Existing coal sample automatically choosing at a set temperature.The present invention, for preferably to carry out adiabatic oxygenation experimental simulation, utilizes PC 29 right
External temperature sensor 54 detects, it is ensured that the temperature of the experimental gas delivering into adiabatic coal sample tank 18 is less than equal to absolutely
The temperature of coal sample in hot coal sample tank 18, recycling PC 29 and engineering software can automatically control the flow of various gas, it is achieved
The quantitative mixing of multiple gases, by the second pipeline 44 by experimental gas transmission to adiabatic coal sample tank 18.So it is possible not only to effectively
Control multiple gases quantitatively mix, ensure the seal that gas circuit is good, it is also possible to reduce manual operation, improve simulation essence
Degree.
Certainly, only presently preferred embodiments of the present invention described above, the present invention is not limited to enumerate above-described embodiment, should
When explanation, any those of ordinary skill in the art under the teaching of this specification, made all equivalent substitute, bright
Aobvious variant, within all falling within the essential scope of this specification, ought to be protected by the present invention.
Claims (8)
1. a multi-functional coal sample heating and oxidation rule test platform for automatic sampling, it includes for controlling test platform operation
Control centre, it is characterised in that including:
Distribution intake section, for automatically controlling flow and the ratio of the various gas that will flow into described device, and is carried out
Mixing, then introduces corresponding test run portion by mixed gas;
Test run portion includes external insulation casing, is provided with the interior Heat Insulation Experiment casing of band sample tap in outside casing absolutely, interior
Being provided with heat transfer coal sample tank and adiabatic coal sample tank in Heat Insulation Experiment casing, heat transfer coal sample tank is provided with weight on adiabatic coal sample tank
Force transducer, heat transfer coal sample tank and adiabatic coal sample tank are each configured with an automatic sampling mechanism, heat transfer coal sample tank and adiabatic coal sample
Being provided with high density alumina silicate fibre layer, temperature probe in tank, heat transfer coal sample tank is led to by heat transfer coal pipeline, adiabatic coal sample tank
Crossing adiabatic coal pipeline to be connected with control centre respectively, heat transfer coal pipeline, adiabatic coal pipeline are all by a cooling body, and conduct heat coal
It is respectively arranged with corresponding valve on pipeline, adiabatic coal pipeline, adiabatic coal pipeline is provided with a calorimeter;Interior Heat Insulation Experiment casing
Inside being provided with temperature sensor, gravity sensor, temperature sensor, temperature probe all communicate to connect with control centre.
Multi-functional coal sample heating and oxidation rule test platform the most according to claim 1, it is characterised in that above-mentioned distribution is entered
Gas portion includes at least one main line and several bye-passes, and main line is provided with air compressor, main road manostat, main road
Flow stabilizing valve, main road Pressure gauge and main road mass air flow sensor, bye-pass is provided with gas cylinder, branch road manostat, branch road flow stabilizing valve, props up
Road Pressure gauge and branch road mass air flow sensor, main line is all connected with a connecting line with several bye-passes, on connecting line
It is provided with three-way exhaust valve door, the connecting line other end and a mixing chamber to be connected, mixing chamber is provided with a steam pipework, steam
A steam generator, vapor pressure stabilization valve, steam temperature stream valve, steam gage and steam-flow meter it is provided with, mixed gas on vapor pipeline
Being provided with the first pipeline and the second pipeline on room, the first pipeline is connected with heat transfer coal sample tank, the second pipeline and adiabatic coal sample tank
It is connected, the first pipeline, the second pipeline are respectively arranged with mixed gas humidity measuring apparatus, mixed gas pressure maintaining valve, mixed air-flow gauge, cut-off
Valve, coal sample Pressure gauge.
Multi-functional coal sample heating and oxidation rule test platform the most according to claim 2, it is characterised in that interior Heat Insulation Experiment
Casing side is provided with by multiple heaters around the heating part formed, and the first pipeline is connected through heating part with heat transfer coal sample tank
Logical, it is provided with fan inside in heating part, heater, fan inside all communicate to connect with control centre.
Multi-functional coal sample heating and oxidation rule test platform the most according to claim 2, it is characterised in that external insulation is real
Tryoff body side is provided with by multiple heaters around the heating part formed, and the second pipeline is through heating part and adiabatic coal sample tank phase
Connection, is provided with external fan in heating part, heater, external fan all communicate to connect with control centre.
Multi-functional coal sample heating and oxidation rule test platform the most according to claim 2, it is characterised in that in above-mentioned control
Pericardium includes host computer, host computer and gas chromatographicanalyzer communication connection, heat transfer coal pipeline, adiabatic coal pipeline all with gas phase color
Spectrometer is connected;It is provided with the switch board for placing display control instrument, switch board and host computer on outside casing absolutely
Communication connection.
Multi-functional coal sample heating and oxidation rule test platform the most according to claim 2, it is characterised in that above-mentioned automatically take
Model machine structure includes sampling groove and sampling line, and sampling line is corresponding with sampling groove, and sampling groove is provided with transmission dress
Putting, transporter is provided with mobile dentation sampler, dentation sampler can stretch in corresponding tank body, samples groove side
It is provided with sampling blower fan, moves to sampling line with dentation sampler, start sampling blower fan by the coal on dentation sampler
Sample is blown in sampling line, enters coal sample catcher with sampling line.
Multi-functional coal sample heating and oxidation rule test platform the most according to claim 6, it is characterised in that above-mentioned coal sample is received
Storage includes vertical shaft, and vertical shaft is provided with several transverse axis that can rotate, and the two ends of transverse axis are separately provided for collecting coal sample
Containing tube.
Multi-functional coal sample heating and oxidation rule test platform the most according to claim 2, it is characterised in that above-mentioned adiabatic coal
Sample tank uses glass fibre material, the Dewar flask of double-layer structural, and surfaces externally and internally is zinc-plated, is vacuum in tank;Above-mentioned heat transfer coal sample
Tank is that asbestos gauge is all installed at the cylindrical tank of oxygen-free copper material, bottom and top;Temperature probe is platinum wire temperature probe, and it is arranged
Middle part at corresponding tank body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610524823.3A CN106124357B (en) | 2016-07-05 | 2016-07-05 | A kind of multi-functional coal sample heating and oxidation rule test platform of automatic sampling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610524823.3A CN106124357B (en) | 2016-07-05 | 2016-07-05 | A kind of multi-functional coal sample heating and oxidation rule test platform of automatic sampling |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106124357A true CN106124357A (en) | 2016-11-16 |
CN106124357B CN106124357B (en) | 2018-12-25 |
Family
ID=57468741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610524823.3A Active CN106124357B (en) | 2016-07-05 | 2016-07-05 | A kind of multi-functional coal sample heating and oxidation rule test platform of automatic sampling |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106124357B (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107179136A (en) * | 2017-04-10 | 2017-09-19 | 安徽理工大学 | A kind of energetic material heat resistance detects explosion-protection equipment |
CN107192794A (en) * | 2017-06-15 | 2017-09-22 | 河南理工大学 | A kind of device of underground coal mine CO sources identification |
CN108459048A (en) * | 2017-12-19 | 2018-08-28 | 西安科技大学 | A kind of analyzer and analysis method for coal petrography spontaneous combustion oxidation specificity analysis |
CN109001419A (en) * | 2018-06-20 | 2018-12-14 | 辽宁工程技术大学 | A kind of venting method surveys the improvement device of oxidation of coal speed device |
CN109270242A (en) * | 2018-11-12 | 2019-01-25 | 力鸿智信(北京)科技有限公司 | A kind of full content of Sulphur in coal intelligent detection device and coal property test system |
CN112763368A (en) * | 2020-12-25 | 2021-05-07 | 浙江大学 | QCM (quaternary ammonium chloride) experimental system capable of adjusting different working conditions and adjusting method thereof |
US20210318218A1 (en) * | 2018-08-30 | 2021-10-14 | Allan James Yeomans | Method of validating a test and apparatus for use in the method |
WO2022047835A1 (en) * | 2020-09-01 | 2022-03-10 | 中国矿业大学(北京) | Experimental platform for measuring coal spontaneous combustion characteristic parameters |
CN114200043A (en) * | 2021-12-01 | 2022-03-18 | 中煤科工集团沈阳研究院有限公司 | Coal spontaneous combustion mark gas detection system and method and gas storage device thereof |
CN114778595A (en) * | 2022-04-27 | 2022-07-22 | 中国矿业大学 | Coal body thermal expansion deformation testing system and method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2253475Y (en) * | 1995-09-20 | 1997-04-30 | 宝山钢铁(集团)公司 | Powder coal sampler |
CN1595129A (en) * | 2004-07-16 | 2005-03-16 | 中国矿业大学 | Thermal insulation testing process and apparatus for simulating coal spontaneous combustion procedure |
CN201429532Y (en) * | 2009-06-16 | 2010-03-24 | 山东科技大学 | Portable coalmine gas sample collection box |
CN104483350A (en) * | 2014-11-21 | 2015-04-01 | 中国矿业大学(北京) | Device for simulating programmed temperature rising and adiabatic oxidation of coal |
CN104792597A (en) * | 2015-04-28 | 2015-07-22 | 中国矿业大学(北京) | Device and method for preparing coal samples with different water contents |
-
2016
- 2016-07-05 CN CN201610524823.3A patent/CN106124357B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2253475Y (en) * | 1995-09-20 | 1997-04-30 | 宝山钢铁(集团)公司 | Powder coal sampler |
CN1595129A (en) * | 2004-07-16 | 2005-03-16 | 中国矿业大学 | Thermal insulation testing process and apparatus for simulating coal spontaneous combustion procedure |
CN201429532Y (en) * | 2009-06-16 | 2010-03-24 | 山东科技大学 | Portable coalmine gas sample collection box |
CN104483350A (en) * | 2014-11-21 | 2015-04-01 | 中国矿业大学(北京) | Device for simulating programmed temperature rising and adiabatic oxidation of coal |
CN104792597A (en) * | 2015-04-28 | 2015-07-22 | 中国矿业大学(北京) | Device and method for preparing coal samples with different water contents |
Non-Patent Citations (3)
Title |
---|
朱红青 等: "煤自燃低温氧化临界温度指标及其关联性分析", 《煤炭科学技术》 * |
李金帅 等: "低温阶段程序升温法对煤氧化过程影响的研究", 《中国安全科学学报》 * |
谭波 等: "煤的绝热氧化阶段特征及自燃临界点预测模型", 《煤炭学报》 * |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107179136A (en) * | 2017-04-10 | 2017-09-19 | 安徽理工大学 | A kind of energetic material heat resistance detects explosion-protection equipment |
CN107192794A (en) * | 2017-06-15 | 2017-09-22 | 河南理工大学 | A kind of device of underground coal mine CO sources identification |
CN107192794B (en) * | 2017-06-15 | 2020-06-19 | 河南理工大学 | Device for identifying underground CO source of coal mine |
CN108459048B (en) * | 2017-12-19 | 2024-03-05 | 西安科技大学 | Analyzer and analysis method for spontaneous combustion oxidation characteristic analysis of coal rock |
CN108459048A (en) * | 2017-12-19 | 2018-08-28 | 西安科技大学 | A kind of analyzer and analysis method for coal petrography spontaneous combustion oxidation specificity analysis |
CN109001419A (en) * | 2018-06-20 | 2018-12-14 | 辽宁工程技术大学 | A kind of venting method surveys the improvement device of oxidation of coal speed device |
CN109001419B (en) * | 2018-06-20 | 2020-12-01 | 辽宁工程技术大学 | Improved device of device for measuring coal oxidation speed by ventilation method |
US11946947B2 (en) * | 2018-08-30 | 2024-04-02 | Allan James Yeomans | Method of validating a test and apparatus for use in the method |
US20210318218A1 (en) * | 2018-08-30 | 2021-10-14 | Allan James Yeomans | Method of validating a test and apparatus for use in the method |
CN109270242A (en) * | 2018-11-12 | 2019-01-25 | 力鸿智信(北京)科技有限公司 | A kind of full content of Sulphur in coal intelligent detection device and coal property test system |
WO2022047835A1 (en) * | 2020-09-01 | 2022-03-10 | 中国矿业大学(北京) | Experimental platform for measuring coal spontaneous combustion characteristic parameters |
CN112763368A (en) * | 2020-12-25 | 2021-05-07 | 浙江大学 | QCM (quaternary ammonium chloride) experimental system capable of adjusting different working conditions and adjusting method thereof |
CN114200043A (en) * | 2021-12-01 | 2022-03-18 | 中煤科工集团沈阳研究院有限公司 | Coal spontaneous combustion mark gas detection system and method and gas storage device thereof |
CN114200043B (en) * | 2021-12-01 | 2023-09-05 | 中煤科工集团沈阳研究院有限公司 | System and method for detecting coal natural ignition sign gas and gas storage device thereof |
CN114778595A (en) * | 2022-04-27 | 2022-07-22 | 中国矿业大学 | Coal body thermal expansion deformation testing system and method |
CN114778595B (en) * | 2022-04-27 | 2024-01-09 | 中国矿业大学 | System and method for testing thermal expansion deformation of coal |
Also Published As
Publication number | Publication date |
---|---|
CN106124357B (en) | 2018-12-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106124357A (en) | A kind of multi-functional coal sample heating and oxidation rule test platform of automatic sampling | |
CN206235585U (en) | A kind of coal sample heating and oxidation test device | |
CN102353763B (en) | Small simulation device for testing spontaneous combustion period of coal | |
CN102449461B (en) | Device for automatic in-line measurement of mass loss by calcination and thermal decomposition of solid particles | |
CN105807029B (en) | Coal spontaneous combustion characteristic detecting apparatus based on thermogravimetric | |
CN106092813A (en) | A kind of Thermal Properties of Coke determinator and method | |
CN108918330B (en) | Device and method for researching influence of alkali metal on coke reactivity under conditions of water vapor and carbon dioxide | |
CN108982745B (en) | Coal sample combustion characteristics test device under varying strength jet flame heat radiation | |
CN105445321B (en) | The detection means of combustible material hot property under the conditions of a kind of programmable temperature control | |
CN106442858B (en) | Combustible Spread Characteristics experimental method under the conditions of different humitures, oxygen concentration | |
CN105588780B (en) | Extinguishing chemical hinders inerting Performance Test System and its method of testing | |
CN108007809A (en) | One kind is rapidly heated wide-range thermogravimetric analyzer | |
CN108169407A (en) | A kind of vertical combustion characteristics experimental provision of controllable gas environment, abutment wall structure | |
CN208443807U (en) | A kind of fireproof coating fire resistance detector | |
CN207408261U (en) | Big weight biomass block shaped fuel combustion characteristics test device | |
CN106596835A (en) | Combustible tilting burning characteristic experiment device capable of controlling temperatures, humidity and oxygen concentration | |
CN100347733C (en) | Analog fire smoke releasing device | |
CN104849167A (en) | Device for detecting isothermal adsorption and desorption of moisture of tobacco slice or cut tobacco biomass | |
CN207516197U (en) | One kind is rapidly heated wide-range thermogravimetric analyzer | |
CN208818642U (en) | A kind of experimental system for testing coal spontaneous ignition overall process | |
CN107621480A (en) | Based on the spontaneous combustion of coal cycle detector and method for leading thermal insulation | |
Leonard et al. | Development of a controlled‐atmosphere cone calorimeter | |
CN203053959U (en) | Coal sample warming simulation test bench | |
CN201413318Y (en) | Radon detecting test bed for simulating coal spontaneous combustion | |
CN107449847A (en) | The chromatography of Period of Coal Seam Spontaneous Combustion symbolic gas and index preferably determine device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |