CN104089976A - Observable device applied to solid fuel combustion mechanism research - Google Patents
Observable device applied to solid fuel combustion mechanism research Download PDFInfo
- Publication number
- CN104089976A CN104089976A CN201410326059.XA CN201410326059A CN104089976A CN 104089976 A CN104089976 A CN 104089976A CN 201410326059 A CN201410326059 A CN 201410326059A CN 104089976 A CN104089976 A CN 104089976A
- Authority
- CN
- China
- Prior art keywords
- heater
- sample
- seal flange
- temperature
- solid fuel
- 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
Abstract
The invention discloses an observable device applied to solid fuel combustion mechanism research, and belongs to the field of heating equipment for combustion experiments. An annular cavity formed between an inner pipe and an outer pipe of the observable device serves as a heating cavity; a fireproof heat insulation layer is arranged at the periphery of the outer pipe; an observation window is formed in the fireproof heat insulation layer; a sample pushing device is mounted on a first sealing flange of a furnace body and is used for conveying solid fuel to the inner part of the furnace body; air feeding and discharging systems are mounted on the first sealing flange and a second sealing flange of the furnace body and are used for adjusting combustion atmosphere and pressure of the inner part of the furnace body; a data acquisition system is connected with the air feeding and discharging systems and the sample pushing device respectively and is used for acquiring combustion parameters of the inner part of the furnace body. The observable device can realizes the research on the combustion characteristics of the fuel under different atmospheres and pressures, so as to provide a basis for research on a combustion mechanism of the fuel; the observable device has an important significance for the research on the combustion mechanism of the fuel and the application of the fuel.
Description
Technical field
The present invention relates to combustion experiment firing equipment field, more particularly, relate to a kind of visual device that is applied to the research of solid fuel ignition mechanism.
Background technology
The research of solid fuel ignition mechanism often need to be from the many aspects such as temperature variation, flame appearance structure, smoke components, gas production rate test fuel relative combustion characteristic simultaneously, and tubular furnace is widely used in experiment and the small serial productions such as institution of higher learning, scientific research institutions, industrial and mining enterprises as conventional heating arrangement.Traditional tubular furnace is all generally to adopt the heat supply of helical heater strip, outside sheet steel machine-shaping, and the middle refractory fibre of filling is incubated.The structural advantages of this tubular furnace is high insulating effect, but it is excessive that shortcoming is volume, when flame-out, heat radiation is slow, Heating Zone Temperature difference is large, and the most key is that burner hearth mostly is nontransparent structure, and heating process is completely invisible, flame pattern and velocity of propagation cannot observe fuel combustion time, and poor and cannot obtain gas production rate and furnace pressure in fuel combustion process and change due to self seal, for further investigation fuel combustion characteristics, explore combustion mechanism and cause huge obstacle.Therefore while developing a kind of burning of test fuel simultaneously, the multi-usage solid fuel ignition characteristic test experimental system of the transparent visual of temperature variation, gas production rate, smoke components, flame propagation velocity and appearance structure, high temperature high voltage resistant seems very necessary.
Find by patent retrieval, Chinese Patent Application No. 201210076605.X, invention and created name is: a kind of all-transparent tube type resistance furnace, this application case discloses a kind of all-transparent tube type resistance furnace, concrete structure comprises inlet end, body of heater and outlet side three parts, inlet end arranges flowmeter and needle-valve, pointer vacuum meter, vacuum adapter coupling, body of heater comprises furnace body support, suprasil shell and transparent heating tube, between suprasil shell and transparent heating tube, cavity is vacuum insulation chamber, and heating wire winding is to transparent heating tube outer wall.Above-mentioned patent scheme housing and heating tube are made of transparent quartz tube, facilitate filling, fire, observe.But the loss of transparent quartz tube heat loss through radiation is large, and its heating wire winding is to transparent heating tube outer wall, after electrothermal wire heating, light is very strong, and between the each circle of heater strip, spacing is less, can not see materials inside state clearly, and its function is simple, only can test furnace bore temperature, cannot obtain the data such as smoke components, gas production rate and pressure in the burner hearth variation simultaneously.
In addition, China Patent No. ZL99245415.8, invention and created name is: a kind of pipe type high-temp furnace; China Patent No. ZL201210361878.9, invention and created name is: a kind of sealing visible tubular furnace.After the resistance wire of above-mentioned patent scheme or heater strip heating, all can affect the effect of observation, equally solve well convenient problem of observing the interior example reaction situation of stove and other correlation parameters of synchronism detection.So be still further improved for the problems referred to above.
Summary of the invention
1. the technical matters that invention will solve
The object of the invention is to overcome in prior art test fuel temperature variation simultaneously, furnace pressure changes, the burning performance such as gas production rate and smoke components and cannot conveniently observe the deficiency of stove fuel combustion flame pattern and circulation way, a kind of visual device that is applied to the research of solid fuel ignition mechanism is provided, the present invention can gather solid fuel at different atmosphere by simple operations, pressure, under the conditions such as heating rate, heat, burning, temperature variation data in extinguishing process, furnace pressure delta data, generate smoke components and flame pattern and circulation way, the information such as speed, thereby solid fuel ignition mechanism is researched and analysed, for necessary basis has been established in use safety and the application of fuel, and the radiation loss of apparatus of the present invention is little, be subject to heater strip luminous affect little, hagioscope can conveniently be adjusted viewing angle, simple to operate, there is huge application value.
2. technical scheme
For achieving the above object, technical scheme provided by the invention is:
A kind of visual device that is applied to the research of solid fuel ignition mechanism of the present invention, comprise body of heater, also comprise sample pusher, air inlet system and exhaust system and data acquisition system (DAS), wherein: described body of heater comprises inner tube, outer tube, refractory insulating layer, hagioscope, insulation cover, heater strip, gim peg, the first seal flange and the second seal flange, wherein: described inner and outer tubes coaxially arrange, at the both ends of body of heater, the first seal flange and the second seal flange are installed respectively, the toroidal cavity forming between inner tube and outer tube is heating chamber, in this heating chamber, be provided with four or four above heater strips, this heater strip is along the length direction setting of inner tube central shaft, and the two ends of heater strip are fixed on the first seal flange and the second seal flange separately, periphery at outer tube is provided with refractory insulating layer, on described refractory insulating layer, be provided with hagioscope, this hagioscope adopts the circular pyroceram that diameter is 6～10cm, described hagioscope is provided with insulation cover, edge at insulation cover is provided with gim peg, and the hole arranging on this gim peg and refractory insulating layer is connected,
Described sample pusher is installed on the first seal flange of body of heater, and this sample pusher is for sending into solid fuel the inside of body of heater and gather solid fuel ignition temperature; Described air inlet system and exhaust system are installed on first seal flange and the second seal flange of body of heater, and these air inlet system and exhaust system are for adjusting combustion atmosphere and the pressure of body of heater inside; Described data acquisition system (DAS) is connected with air inlet system and exhaust system, sample pusher respectively, and this data acquisition system (DAS) is for gathering the combustion parameter of body of heater inside.
Further improve as the present invention, described sample pusher comprises seal plug, O-ring seal, sample push rod and handle, wherein: offer sample in the center of the first seal flange and push hole, this sample pushes in hole seal plug is installed, sealing plug seals fixing by O-ring seal, inside at above-mentioned seal plug offers through hole, sample push rod is installed in this through hole, one end that described sample push rod stretches into body of heater inside is provided with solid fuel standing groove, the other end of sample push rod is provided with handle, sample push rod is sent into solid fuel by joystick the inside of body of heater, in solid fuel standing groove, lay sample temperature thermocouple, the connection wire of this sample temperature thermocouple is through the thermocouple cold junction that is connected internally to of sample push rod.
Further improve as the present invention, described air inlet system and exhaust system comprise admission line, outlet pipe, valve, gas bomb and pressure controller, wherein: one end of described admission line is connected with gas bomb, the other end of admission line is connected with the second seal flange and is connected with body of heater inside, on this admission line, pressure controller is installed; One end of described outlet pipe is connected with the first seal flange and is connected with body of heater inside, on this outlet pipe, valve is installed.
Further improve as the present invention, described data acquisition system (DAS) comprises burner hearth temperature thermocouple, temperature data acquisition device, temperature controller, pressure transducer, pressure data collector, flue gas sampling pipe, flue gas analyzer and computing machine, wherein: described burner hearth temperature thermocouple is installed on the inside of body of heater, this burner hearth temperature thermocouple is connected with temperature data acquisition device, sample temperature thermocouple is also connected with temperature data acquisition device, sample temperature thermocouple is used for gathering solid fuel ignition temperature, burner hearth temperature thermocouple is for gathering the internal temperature of body of heater, the two ends of heater strip are all connected with temperature controller, and this temperature controller is by the internal temperature of the power control body of heater of adjustment heater strip, the inlet end of flue gas sampling pipe is installed on the inside of body of heater, and this flue gas sampling pipe is connected to flue gas analyzer through the second seal flange, the test side of pressure transducer is installed on the inside of body of heater, the signal connecting line of this pressure transducer is connected to pressure data collector through the second seal flange, above-mentioned pressure data collector, flue gas analyzer, temperature controller, temperature data acquisition device are all connected with computing machine, and the pressure controller on admission line is also connected with computing machine.
Further improve as the present invention, described heater strip is coil spring shape, in ring-shaped heating cavity between inner tube and outer tube, be evenly distributed with 4～10 heater strips, and hagioscope is positioned at the interstitial site of adjacent two heater strips, the diameter of heater strip is 6～8mm, and described heater strip is nickel filament.
Further improve as the present invention, the first described seal flange and the material of the second seal flange are stainless steel material, flue gas sampling pipe, pressure sensor signal connecting line, admission line are provided with O-ring seal through the second seal flange place, and outlet pipe, burner hearth temperature thermocouple are provided with O-ring seal through the first seal flange place.
3. beneficial effect
Adopt technical scheme provided by the invention, compared with existing known technology, there is following beneficial effect:
(1) a kind of visual device that is applied to the research of solid fuel ignition mechanism of the present invention, its sample pusher is for sending into solid fuel the inside of body of heater, air inlet system and exhaust system are for adjusting combustion atmosphere and the pressure of body of heater inside, data acquisition system (DAS) is for gathering the combustion parameter of body of heater inside, make can change by simple operations the gas componant of fuel combustion environment, and by the pressure of computing machine and the accurate regulating and controlling body of heater of pressure controller inside, realize the research in different atmosphere and combusting under pressure characteristic to fuel, thereby provide the foundation for probing into fuel combustion mechanism, meanwhile, can record temperature variation, ambient pressure variations and the smoke components of fuel, thereby to studying fuel combustion mechanism and applying significant.
(2) a kind of visual device that is applied to the research of solid fuel ignition mechanism of the present invention, reasonable in design, principle is simple, is convenient to promote the use of.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of visual device that is applied to the research of solid fuel ignition mechanism of the present invention;
Fig. 2 is the structural representation of body of heater in the present invention;
Fig. 3 is the structural representation of sample pusher in the present invention.
Label declaration in schematic diagram:
1, inner tube; 2, outer tube; 3, refractory insulating layer; 4, hagioscope; 5, insulation cover; 6, heater strip; 7-1, sample temperature thermocouple; 7-2, burner hearth temperature thermocouple; 8, flue gas sampling pipe; 9, pressure transducer; 10, admission line; 11, outlet pipe; 12, valve; 13, temperature data acquisition device; 14, temperature controller; 15, pressure data collector; 16, flue gas analyzer; 17, computing machine; 18, gas bomb; 19, seal plug; 20, gim peg; 21, O-ring seal; 22, sample push rod; 23, handle; 24, thermocouple cold junction; 25, the first seal flange; 26, the second seal flange; 27, pressure controller.
Embodiment
For further understanding content of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
Shown in Fig. 1, Fig. 2 and Fig. 3, a kind of visual device that is applied to the research of solid fuel ignition mechanism of the present embodiment, is mainly made up of body of heater, sample pusher, air inlet system and exhaust system and data acquisition system (DAS) etc.As shown in Figure 2, body of heater in the present embodiment comprises inner tube 1, outer tube 2, refractory insulating layer 3, hagioscope 4, insulation cover 5, heater strip 6, gim peg 20, the first seal flange 25 and the second seal flange 26, wherein: described inner tube 1 and outer tube 2 coaxially arrange, the first seal flange 25 and the second seal flange 26 are installed respectively at the both ends of body of heater, the toroidal cavity forming between inner tube 1 and outer tube 2 is heating chamber, in this heating chamber, be evenly distributed with 6 heater strips 6, and hagioscope 4 is positioned at the interstitial site of adjacent two heater strips 6, the diameter of heater strip 6 is 7mm, described heater strip 5 is nickel filament, and heater strip 6 is coil spring shape, this heater strip 6 is along the length direction setting of inner tube 1 central shaft, and the two ends of heater strip 6 are fixed on the first seal flange 25 and the second seal flange 26 separately.Be provided with refractory insulating layer 3 in the periphery of outer tube 2, on described refractory insulating layer 3, be provided with hagioscope 4, it is the circular pyroceram of 8cm that this hagioscope 4 adopts diameter, described hagioscope 4 is provided with insulation cover 5, be provided with gim peg 20 at the edge of insulation cover 5, the hole arranging on this gim peg 20 and refractory insulating layer 3 is connected, can be by rotarily opening and close insulation cover 5, refractory insulating layer 3 is set in the present embodiment, the high insulating effect of body of heater, and hagioscope 4 is provided with insulation cover 5, in the time not observing, cover insulation cover 5, can reduce the radiation loss of body of heater.In the present embodiment, hagioscope 4 is positioned at the interstitial site of adjacent two heater strips 6, can be because of the heater strip 6 shinny sight line of blocking of generating heat, and hagioscope 4 is flexibly connected by oscillating bearing with refractory insulating layer 3, hagioscope 4 outsides are provided with CCD high-speed camera, can rotate within the specific limits hagioscope 4, convenient adjustment viewing angle, thus the sample situation of heating, position and the operating process etc. of each thermopair can clearly be observed.
Sample pusher is installed on the first seal flange 25 of body of heater, and this sample pusher is for sending into solid fuel the inside of body of heater and gather solid fuel ignition temperature, and the structure of sample pusher as shown in Figure 3.Concrete sample pusher in the present embodiment comprises seal plug 19, O-ring seal 21, sample push rod 22 and handle 23, wherein: offer sample in the center of the first seal flange 25 and push hole, this sample pushes in hole seal plug 19 is installed, sealing plug 19 is fixing by O-ring seal 21 sealings, inside at above-mentioned seal plug 19 offers through hole, sample push rod 22 is installed in this through hole, one end that described sample push rod 22 stretches into body of heater inside is provided with solid fuel standing groove, the other end of sample push rod 22 is provided with handle 23, sample push rod 22 is sent into solid fuel by joystick 23 inside of body of heater, in solid fuel standing groove, lay sample temperature thermocouple 7-1, the connection wire of this sample temperature thermocouple 7-1 is connected internally to thermocouple cold junction 24 through sample push rod 22.
Air inlet system and exhaust system are installed on first seal flange 25 and the second seal flange 26 of body of heater, and these air inlet system and exhaust system are for adjusting combustion atmosphere and the pressure of body of heater inside.Concrete air inlet system and exhaust system in the present embodiment comprise admission line 10, outlet pipe 11, valve 12, gas bomb 18 and pressure controller 27, wherein: one end of described admission line 10 is connected with gas bomb 18, the other end of admission line 10 is connected with the second seal flange 26 and is connected with body of heater inside, on this admission line 10, pressure controller 27 is installed; One end of described outlet pipe 11 is connected with the first seal flange 25 and is connected with body of heater inside, on this outlet pipe 11, valve 12 is installed.Gas bomb 18 in the present embodiment is loaded with high pressure CO
2gas.
Data acquisition system (DAS) is connected with air inlet system and exhaust system, sample pusher respectively, this data acquisition system (DAS) is for gathering the combustion parameter of body of heater inside, can real time record and show the data message such as temperature variation, smoke components and the variation of device internal pressure of fuel combustion.Concrete data acquisition system (DAS) in the present embodiment comprises burner hearth temperature thermocouple 7-2, temperature data acquisition device 13, temperature controller 14, pressure transducer 9, pressure data collector 15, flue gas sampling pipe 8, flue gas analyzer 16 and computing machine 17, wherein: described burner hearth temperature thermocouple 7-2 is installed on the inside of body of heater, this burner hearth temperature thermocouple 7-2 is connected with temperature data acquisition device 13, sample temperature thermocouple 7-1 is also connected with temperature data acquisition device 13, sample temperature thermocouple 7-1 is used for gathering solid fuel ignition temperature, burner hearth temperature thermocouple 7-2 is for gathering the internal temperature of body of heater, the two ends of heater strip 6 are all connected with temperature controller 14, and this temperature controller 14 is by the internal temperature of the power control body of heater of adjustment heater strip 6, the inlet end of flue gas sampling pipe 8 is installed on the inside of body of heater, and this flue gas sampling pipe 8 is connected to flue gas analyzer 16 through the second seal flange 26, the test side of pressure transducer 9 is installed on the inside of body of heater, the signal connecting line of this pressure transducer 9 is connected to pressure data collector 15 through the second seal flange 26, above-mentioned pressure data collector 15, flue gas analyzer 16, temperature controller 14, temperature data acquisition device 13 are all connected with computing machine 17, pressure controller 27 on admission line 10 is also connected with computing machine 17, therefore can accurately control the pressure in body of heater by pressure data collector 15 and pressure controller 27.In the present embodiment, apply burner hearth temperature thermocouple 7-2 and temperature controller 14 Integrated usings, can realize the precision control of furnace body temperature, ensure the constant of the interior temperature of body of heater, and the internal temperature of the body of heater detecting shows by computing machine 17, can reading temperature data, show in real time and record, accurately convenient.In order to ensure the sealing of whole device, the material of the first seal flange 25 and the second seal flange 26 is stainless steel material, flue gas sampling pipe 8, pressure transducer 9 signal connecting lines, admission line 10 are provided with O-ring seal 21 through the second seal flange 26 places, and outlet pipe 11, burner hearth temperature thermocouple 7-2 are provided with O-ring seal 21 through the first seal flange 25 places; And it is also fixing by O-ring seal 21 sealings that the two ends of heater strip 6 are fixed on the position of the first seal flange 25 and the second seal flange 26 separately.
When use, weigh the 50nm aluminium powder of 1g, be placed in the solid fuel standing groove of sample push rod 22 front ends, sample temperature thermocouple 7-1 is imbedded in aluminium powder sample completely.Rapidly sample is pushed to body of heater inside, and by seal plug 19, fuel sample is sealingly fastened in burner hearth; Then slowly open CO
2gas bomb 18, when flue gas analyzer 16 shows O
2when content is close to zero, close outlet pipe 11 and be 0.5MPa by pressure controller 27 set pressures, after pressure stability, use computing machine 17 to temperature controller 14 adjusting that heats up, heating rate with 15K/s heats up to burner hearth, and the combustion flame propagation to sample and pattern carry out record by hagioscope 4 to use CCD high-speed camera.Temperature data acquisition device 13 carries out record to the data of sample temperature thermocouple 7-1 and burner hearth temperature thermocouple 7-2, and computing machine 17 carries out record to the data of temperature data acquisition device 13, pressure data collector 15 and flue gas analyzer 16.The present embodiment can be to nanometer aluminium powder fuel the CO at 0.5MPa
2in ignition temperature, maximum temperature, flame pattern and product in ambiance, CO content is studied, and products of combustion is placed under scanning electron microscope (SEM), transmission electron microscope (TEM) and X-ray diffraction (XRD) etc. and carries out observation analysis, thereby can study 50nm aluminium powder at CO
2in combustion mechanism.
Embodiment 2
A kind of visual device that is applied to the research of solid fuel ignition mechanism of the present embodiment, its basic structure is with embodiment 1, difference is: in the ring-shaped heating cavity between inner tube 1 and outer tube 2, be evenly distributed with 4 heater strips 6, the diameter of heater strip 6 is 8mm, it is the circular pyroceram of 10cm that hagioscope 4 adopts diameter, and uses argon gas (Ar) steel cylinder to be connected with admission line 10 as gas bomb 18.
When use, weigh respectively the aluminium that contains 0%, 2%, 4%, 6%, 8% ammonium perchlorate (AP)/water base high-energy fuel of 1g, be placed in the solid fuel standing groove of sample push rod 22 front ends, sample temperature thermocouple 7-1 is imbedded in sample completely.Rapidly sample is pushed to body of heater inside, and by seal plug 19, fuel sample is sealingly fastened in burner hearth; Then slowly open Ar gas bomb 18, when flue gas analyzer 16 shows O
2when content is close to zero, close gas bomb 18 and outlet pipe 11, with the heating rate of 15K/s, burner hearth is heated up, and the combustion flame propagation to sample and pattern carry out record by hagioscope 4 to use CCD high-speed camera.Temperature data acquisition device 13 carries out record to the data of sample temperature thermocouple 7-1 and burner hearth temperature thermocouple 7-2, and computing machine 17 carries out record to the data of temperature data acquisition device 13, pressure data collector 15 and flue gas analyzer 16.The present embodiment can be studied by ignition temperature, maximum temperature, the flame pattern in an atmospheric Ar ambiance different content ammonium perchlorate additive resulted's aluminium/water base high-energy fuel, and pressure in the burner hearth is changed and converted, and fuel combustion product is carried out respectively to observation analysis under scanning electron microscope (SEM), transmission electron microscope (TEM) and X-ray diffraction (XRD) etc., can show that adjuvant is to aluminium/water base high-energy fuel combustion characteristics, specific impulse and Related Mechanism, for the application of research aluminium/water base high-energy fuel lays the foundation.
Embodiment 3
A kind of visual device that is applied to the research of solid fuel ignition mechanism of the present embodiment, its basic structure is with embodiment 1, difference is: in the ring-shaped heating cavity between inner tube 1 and outer tube 2, be evenly distributed with 10 heater strips 6, the diameter of heater strip 6 is 6mm, it is the circular pyroceram of 6cm that hagioscope 4 adopts diameter, and uses argon gas (Ar) steel cylinder to be connected with admission line 10 as gas bomb 18.
When use, take aluminium/water base high-energy fuel of 1g, be placed in the solid fuel standing groove of sample push rod 22 front ends, sample temperature thermocouple 7-1 is imbedded in sample completely.Rapidly sample is pushed to body of heater inside, and by seal plug 19, fuel sample is sealingly fastened in burner hearth; Then slowly open Ar gas bomb 18, when flue gas analyzer 16 shows O
2when being close to zero, content closes outlet pipe 11, and pressure controller 27 is set as respectively to 0.1MPa, 0.5MPa, 1.0MPa, 1.5MPa, 2.0MPa, heating rate with 20K/s heats up to burner hearth, and the combustion flame propagation to sample and pattern carry out record by hagioscope 4 to use CCD high-speed camera.Temperature data acquisition device 13 carries out record to the data of sample temperature thermocouple 7-1 and burner hearth temperature thermocouple 7-2, and computing machine 17 carries out record to the data of temperature data acquisition device 13, pressure data collector 15 and flue gas analyzer 16.The present embodiment can the ignition temperature under inert gas environment, maximum temperature, flame pattern be studied the aluminium under different pressures/water base high-energy fuel, and pressure in the burner hearth is changed and converted, and fuel combustion product is carried out respectively to observation analysis under scanning electron microscope (SEM), transmission electron microscope (TEM) and X-ray diffraction (XRD) etc., can probe into the affect mechanism of pressure factor on aluminium/water base high-energy fuel burning and specific impulse, and obtain the affect index of pressure on fuel combustion characteristics by digital simulation.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the invention aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (6)
1. a visual device that is applied to the research of solid fuel ignition mechanism, comprises body of heater, it is characterized in that, also comprises sample pusher, air inlet system and exhaust system and data acquisition system (DAS), wherein:
Described body of heater comprises inner tube (1), outer tube (2), refractory insulating layer (3), hagioscope (4), insulation cover (5), heater strip (6), gim peg (20), the first seal flange (25) and the second seal flange (26), wherein: described inner tube (1) and outer tube (2) coaxially arrange, the first seal flange (25) and the second seal flange (26) are installed respectively at the both ends of body of heater, the toroidal cavity forming between inner tube (1) and outer tube (2) is heating chamber, in this heating chamber, be provided with four or four above heater strips (6), this heater strip (6) is along the length direction setting of inner tube (1) central shaft, and the two ends of heater strip (6) are fixed on the first seal flange (25) and the second seal flange (26) separately, be provided with refractory insulating layer (3) in the periphery of outer tube (2), on described refractory insulating layer (3), be provided with hagioscope (4), this hagioscope (4) adopts the circular pyroceram that diameter is 6～10cm, described hagioscope (4) is provided with insulation cover (5), be provided with gim peg (20) at the edge of insulation cover (5), this gim peg (20) is connected with the upper hole arranging of refractory insulating layer (3),
Described sample pusher is installed on first seal flange (25) of body of heater, and this sample pusher is for sending into solid fuel the inside of body of heater and gather solid fuel ignition temperature;
Described air inlet system and exhaust system are installed on first seal flange (25) and the second seal flange (26) of body of heater, and these air inlet system and exhaust system are for adjusting combustion atmosphere and the pressure of body of heater inside;
Described data acquisition system (DAS) is connected with air inlet system and exhaust system, sample pusher respectively, and this data acquisition system (DAS) is for gathering the combustion parameter of body of heater inside.
2. a kind of visual device that is applied to the research of solid fuel ignition mechanism according to claim 1, it is characterized in that: described sample pusher comprises seal plug (19), O-ring seal (21), sample push rod (22) and handle (23), wherein: offer sample in the center of the first seal flange (25) and push hole, this sample pushes in hole seal plug (19) is installed, sealing plug (19) is fixing by O-ring seal (21) sealing, inside at above-mentioned seal plug (19) offers through hole, sample push rod (22) is installed in this through hole, one end that described sample push rod (22) stretches into body of heater inside is provided with solid fuel standing groove, the other end of sample push rod (22) is provided with handle (23), sample push rod (22) is sent into solid fuel by joystick (23) inside of body of heater, in solid fuel standing groove, lay sample temperature thermocouple (7-1), the connection wire of this sample temperature thermocouple (7-1) is connected internally to thermocouple cold junction (24) through sample push rod (22).
3. a kind of visual device that is applied to the research of solid fuel ignition mechanism according to claim 2, it is characterized in that: described air inlet system and exhaust system comprise admission line (10), outlet pipe (11), valve (12), gas bomb (18) and pressure controller (27), wherein: one end of described admission line (10) is connected with gas bomb (18), the other end of admission line (10) is connected with the second seal flange (26) and is connected with body of heater inside, pressure controller (27) is installed on this admission line (10), one end of described outlet pipe (11) is connected with the first seal flange (25) and is connected with body of heater inside, and valve (12) is installed on this outlet pipe (11).
4. a kind of visual device that is applied to the research of solid fuel ignition mechanism according to claim 3, it is characterized in that: described data acquisition system (DAS) comprises burner hearth temperature thermocouple (7-2), temperature data acquisition device (13), temperature controller (14), pressure transducer (9), pressure data collector (15), flue gas sampling pipe (8), flue gas analyzer (16) and computing machine (17), wherein: described burner hearth temperature thermocouple (7-2) is installed on the inside of body of heater, this burner hearth temperature thermocouple (7-2) is connected with temperature data acquisition device (13), sample temperature thermocouple (7-1) is also connected with temperature data acquisition device (13), sample temperature thermocouple (7-1) is for gathering solid fuel ignition temperature, burner hearth temperature thermocouple (7-2) is for gathering the internal temperature of body of heater, the two ends of heater strip (6) are all connected with temperature controller (14), and this temperature controller (14) is by the internal temperature of the power control body of heater of adjustment heater strip (6), the inlet end of flue gas sampling pipe (8) is installed on the inside of body of heater, and this flue gas sampling pipe (8) is connected to flue gas analyzer (16) through the second seal flange (26), the test side of pressure transducer (9) is installed on the inside of body of heater, the signal connecting line of this pressure transducer (9) is connected to pressure data collector (15) through the second seal flange (26), above-mentioned pressure data collector (15), flue gas analyzer (16), temperature controller (14), temperature data acquisition device (13) are all connected with computing machine (17), and the pressure controller (27) on admission line (10) is also connected with computing machine (17).
5. a kind of visual device that is applied to the research of solid fuel ignition mechanism according to claim 4, it is characterized in that: described heater strip (6) is coil spring shape, in ring-shaped heating cavity between inner tube (1) and outer tube (2), be evenly distributed with 4～10 heater strips (6), and hagioscope (4) is positioned at the interstitial site of adjacent two heater strips (6), the diameter of heater strip (6) is 6～8mm, and described heater strip (5) is nickel filament.
6. a kind of visual device that is applied to the research of solid fuel ignition mechanism according to claim 5, it is characterized in that: described the first seal flange (25) and the material of the second seal flange (26) are stainless steel material, flue gas sampling pipe (8), pressure transducer (9) signal connecting line, admission line (10) locate to be provided with O-ring seal (21) through the second seal flange (26), and outlet pipe (11), burner hearth temperature thermocouple (7-2) locate to be provided with O-ring seal (21) through the first seal flange (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326059.XA CN104089976B (en) | 2014-07-09 | 2014-07-09 | A kind of visual device being applied to solid fuel ignition study mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326059.XA CN104089976B (en) | 2014-07-09 | 2014-07-09 | A kind of visual device being applied to solid fuel ignition study mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104089976A true CN104089976A (en) | 2014-10-08 |
| CN104089976B CN104089976B (en) | 2016-08-24 |
Family
ID=51637711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410326059.XA Expired - Fee Related CN104089976B (en) | 2014-07-09 | 2014-07-09 | A kind of visual device being applied to solid fuel ignition study mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104089976B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458805A (en) * | 2014-12-18 | 2015-03-25 | 广西大学 | Pulverized coal suspension combustion characteristic trial furnace for cement kiln |
| CN106596620A (en) * | 2016-12-14 | 2017-04-26 | 电子科技大学 | Small heating device for high-temperature experiments of metal micro-miniature test samples |
| CN106908477A (en) * | 2017-03-08 | 2017-06-30 | 安徽工业大学 | The experimental provision and measuring method of a kind of thermite reaction temperature and burn rate |
| CN107727136A (en) * | 2016-08-11 | 2018-02-23 | 新乡市双诚环保设备有限公司 | One kind burns sample parameters change analyzer |
| CN109239256A (en) * | 2018-10-30 | 2019-01-18 | 中国民用航空飞行学院 | Aeronautical material combustion experimental device |
| CN109269302A (en) * | 2018-11-09 | 2019-01-25 | 济南大学 | A kind of calcining vessel and method for calcinating |
| CN110876908A (en) * | 2019-11-28 | 2020-03-13 | 苏州华杨赛斯真空设备有限公司 | Atmosphere controllable small-sized reaction device |
| CN113640453A (en) * | 2021-08-19 | 2021-11-12 | 常州大学 | Combustion device and method suitable for testing properties of solid-liquid fuel |
| CN114088629A (en) * | 2021-11-19 | 2022-02-25 | 中红外激光研究院(江苏)有限公司 | High-temperature high-pressure gas-solid two-phase dynamic absorption pool device for spectral analysis |
| CN114324466A (en) * | 2021-11-19 | 2022-04-12 | 上海仪器仪表自控系统检验测试所有限公司 | Nuclear power equipment hydrogen explosion availability verification test device and method |
| CN114487257A (en) * | 2022-01-17 | 2022-05-13 | 中国工程物理研究院总体工程研究所 | Atmosphere-controllable solid combustion characteristic research experimental device and experimental method |
| CN114965241A (en) * | 2022-05-26 | 2022-08-30 | 西部新锆核材料科技有限公司 | Nuclear zirconium alloy material high-pressure gas-phase hydrogen infiltration device and method |
| CN115263611A (en) * | 2022-06-29 | 2022-11-01 | 北京理工大学 | Visual solid propellant high-pressure vibration combustor and test system |
| CN117233201A (en) * | 2022-06-07 | 2023-12-15 | 耐驰-仪器制造有限公司 | Thermal analysis system and thermal analysis method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074987A (en) * | 1990-01-24 | 1991-12-24 | Elsag International B.V. | Online energy flow measuring device and method for natural gas |
| CN202118945U (en) * | 2011-04-29 | 2012-01-18 | 安徽工业大学 | Novel experimental ignition temperature measuring device |
| CN202166582U (en) * | 2011-07-20 | 2012-03-14 | 夏鸣 | Water reaction metal fuel high-temperature experiment apparatus |
| CN202281506U (en) * | 2011-09-29 | 2012-06-20 | 中国科学院广州能源研究所 | Vacuum high-temperature transparent tube type electric stove |
| CN103285786A (en) * | 2013-05-15 | 2013-09-11 | 东南大学 | Visual high-temperature fluidized bed |
| CN103322800A (en) * | 2012-03-22 | 2013-09-25 | 东北师范大学 | Fully transparent tube type resistance furnace |
| CN103675013A (en) * | 2013-12-04 | 2014-03-26 | 中国科学院过程工程研究所 | Visualizable micro fluidized bed reaction analyzer |
| CN103673607A (en) * | 2013-12-04 | 2014-03-26 | 中国科学院过程工程研究所 | Visualized heating furnace |
-
2014
- 2014-07-09 CN CN201410326059.XA patent/CN104089976B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074987A (en) * | 1990-01-24 | 1991-12-24 | Elsag International B.V. | Online energy flow measuring device and method for natural gas |
| CN202118945U (en) * | 2011-04-29 | 2012-01-18 | 安徽工业大学 | Novel experimental ignition temperature measuring device |
| CN202166582U (en) * | 2011-07-20 | 2012-03-14 | 夏鸣 | Water reaction metal fuel high-temperature experiment apparatus |
| CN202281506U (en) * | 2011-09-29 | 2012-06-20 | 中国科学院广州能源研究所 | Vacuum high-temperature transparent tube type electric stove |
| CN103322800A (en) * | 2012-03-22 | 2013-09-25 | 东北师范大学 | Fully transparent tube type resistance furnace |
| CN103285786A (en) * | 2013-05-15 | 2013-09-11 | 东南大学 | Visual high-temperature fluidized bed |
| CN103675013A (en) * | 2013-12-04 | 2014-03-26 | 中国科学院过程工程研究所 | Visualizable micro fluidized bed reaction analyzer |
| CN103673607A (en) * | 2013-12-04 | 2014-03-26 | 中国科学院过程工程研究所 | Visualized heating furnace |
Non-Patent Citations (1)
| Title |
|---|
| 朱宝忠等: "纳米铝粉在水蒸气中的燃烧特性", 《燃烧科学与技术》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458805A (en) * | 2014-12-18 | 2015-03-25 | 广西大学 | Pulverized coal suspension combustion characteristic trial furnace for cement kiln |
| CN104458805B (en) * | 2014-12-18 | 2017-01-18 | 广西大学 | Pulverized coal suspension combustion characteristic trial furnace for cement kiln |
| CN107727136A (en) * | 2016-08-11 | 2018-02-23 | 新乡市双诚环保设备有限公司 | One kind burns sample parameters change analyzer |
| CN106596620A (en) * | 2016-12-14 | 2017-04-26 | 电子科技大学 | Small heating device for high-temperature experiments of metal micro-miniature test samples |
| CN106908477A (en) * | 2017-03-08 | 2017-06-30 | 安徽工业大学 | The experimental provision and measuring method of a kind of thermite reaction temperature and burn rate |
| CN109239256A (en) * | 2018-10-30 | 2019-01-18 | 中国民用航空飞行学院 | Aeronautical material combustion experimental device |
| CN109269302A (en) * | 2018-11-09 | 2019-01-25 | 济南大学 | A kind of calcining vessel and method for calcinating |
| CN110876908A (en) * | 2019-11-28 | 2020-03-13 | 苏州华杨赛斯真空设备有限公司 | Atmosphere controllable small-sized reaction device |
| CN113640453A (en) * | 2021-08-19 | 2021-11-12 | 常州大学 | Combustion device and method suitable for testing properties of solid-liquid fuel |
| CN114088629A (en) * | 2021-11-19 | 2022-02-25 | 中红外激光研究院(江苏)有限公司 | High-temperature high-pressure gas-solid two-phase dynamic absorption pool device for spectral analysis |
| CN114324466A (en) * | 2021-11-19 | 2022-04-12 | 上海仪器仪表自控系统检验测试所有限公司 | Nuclear power equipment hydrogen explosion availability verification test device and method |
| CN114088629B (en) * | 2021-11-19 | 2023-09-29 | 中红外激光研究院(江苏)有限公司 | High-temperature high-pressure gas-solid two-phase dynamic absorption tank device for spectrum analysis |
| CN114324466B (en) * | 2021-11-19 | 2024-01-12 | 上海仪器仪表自控系统检验测试所有限公司 | Nuclear power equipment hydrogen explosion availability verification test device and method |
| CN114487257A (en) * | 2022-01-17 | 2022-05-13 | 中国工程物理研究院总体工程研究所 | Atmosphere-controllable solid combustion characteristic research experimental device and experimental method |
| CN114965241A (en) * | 2022-05-26 | 2022-08-30 | 西部新锆核材料科技有限公司 | Nuclear zirconium alloy material high-pressure gas-phase hydrogen infiltration device and method |
| CN114965241B (en) * | 2022-05-26 | 2024-02-23 | 西安西部新锆科技股份有限公司 | High-pressure gas-phase hydrogen permeation device and method for zirconium alloy material for nuclear use |
| CN117233201A (en) * | 2022-06-07 | 2023-12-15 | 耐驰-仪器制造有限公司 | Thermal analysis system and thermal analysis method |
| CN115263611A (en) * | 2022-06-29 | 2022-11-01 | 北京理工大学 | Visual solid propellant high-pressure vibration combustor and test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104089976B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104089976A (en) | Observable device applied to solid fuel combustion mechanism research | |
| CN105651809A (en) | Experimental device for particle combustion under high speed air flow | |
| CN203786068U (en) | Visualized bidirectional ignition combustion chamber for experiment | |
| Bai et al. | The explosion overpressure field and flame propagation of methane/air and methane/coal dust/air mixtures | |
| CN108645957B (en) | Experimental device and experimental method for measuring cable combustion characteristics in oxygen-enriched environment | |
| CN102331440B (en) | Device and method for measuring combustion characteristics of combustible materials | |
| CN106248733A (en) | A kind of many forms multifunctional gas, the datonation-inhibition experimental system of dust explosion | |
| Friedman et al. | Measurement of Temperature Distribution in a Low‐Pressure Flat Flame | |
| CN102444910A (en) | Combustion control system | |
| CN104793006A (en) | Measuring system and method for laminar and turbulent flame speeds of fuel at high gas pressure | |
| CN109239256A (en) | Aeronautical material combustion experimental device | |
| CN103091364B (en) | High-temperature environment suitability testing method of initiating explosive material | |
| CN104316221B (en) | Calibration device for contact type high temperature sensor | |
| CN109444215A (en) | Unstable state superhigh temperature Heat-Insulation Test device and test method | |
| CN205280684U (en) | A burner for glowing experiment | |
| CN106442622B (en) | Rotary slow-baking safety test device | |
| CN107085011B (en) | Slow baking test device for realizing high-precision program temperature control by utilizing gas microcirculation | |
| CN202432546U (en) | Combustion control system | |
| CN105352997A (en) | Method for determining burning and explosion of dust via temperature-controllable ignition device | |
| CN2833586Y (en) | Combustion chamber of physical simulating apparatus for in-situ combustion | |
| CN203719402U (en) | Visual tubular furnace | |
| CN204389422U (en) | Superhigh temperature Heat-Insulation Test device | |
| CN104181172B (en) | A kind of SOLID PROPELLANT COMBUSTION bright eruption free electronic concentration method of testing | |
| Sherman | Radiation from luminous and non-luminous natural-gas flames | |
| CN106383071B (en) | A kind of solid particle system high temperature heat radiation characteristic measuring 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |