CN214253632U - Multi-point source gas diffusion and jet flame combustion comprehensive experiment platform - Google Patents
Multi-point source gas diffusion and jet flame combustion comprehensive experiment platform Download PDFInfo
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- CN214253632U CN214253632U CN202023313682.1U CN202023313682U CN214253632U CN 214253632 U CN214253632 U CN 214253632U CN 202023313682 U CN202023313682 U CN 202023313682U CN 214253632 U CN214253632 U CN 214253632U
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Abstract
The utility model provides a comprehensive experiment platform for multi-point source gas diffusion and jet flame combustion, which comprises a supporting table and a main body frame arranged on the upper surface of the supporting table, wherein the side surface and the top of the main body frame are provided with glass installation positions, and glass can be detachably installed through the glass installation positions; the main body frame is internally provided with a mounting piece for mounting the leakage/combustion nozzle, and the mounting piece is correspondingly provided with an X, Y, Z shaft adjusting component for adjusting the position of the mounting piece; and a concentration sensor for measuring the concentration of the leaked gas and a temperature sensor for measuring the temperature are also arranged in the main body frame. Multiple spot source gas diffusion and efflux flame burning comprehensive experiment platform, break through the limitation that single-point source gas leaked diffusion or burning experiment platform, can develop single/a plurality of gas diffusion and the burning experiment of leaking the leakage source under the different operating mode condition, fully discuss on this basis and catch diffusion and the effective information of combustion mechanism and evolution law.
Description
Technical Field
The utility model belongs to the technical field of the conflagration experiment, especially, relate to a multiple spot source gas diffusion and jet flame burning comprehensive experiment platform.
Background
During industrial production, storage and transportation, disasters caused by accidental leakage of flammable, explosive, toxic and harmful gases frequently occur, and gas leakage accidents are always hot problems in research on gas leakage, diffusion and combustion because the gas leakage accidents develop more rapidly and are more difficult to control and dispose of after leakage compared with solid and liquid. Scholars at home and abroad develop a large number of field tests, laboratory researches and computer simulation researches, and hundreds of accident consequence prediction models are constructed. However, even after the research of nearly thirty years, some problems are still not solved or new problems are generated. For example, the problems of the leakage, diffusion and combustion of the multi-point source gas are actually the leakage of the multi-point source gas, which is caused by accidents, secondary disasters, domino effect, destructive natural disasters and the like, the emission of waste gas of a plurality of enterprises in cities, the emission of automobile exhaust and the like. When source gas leaks at multiple points, the source gas leaks have influence on each other, and the evolution law is the same, so that the influence range of accidents can be predicted in advance, which is a problem to be solved. The previous researches mainly focus on the problems of leakage, diffusion and combustion of single-point source gas, but the researches on multiple point sources have certain defects; the research on the interaction dynamic process, the flow field characteristic and the like of the leakage diffusion and combustion of the multi-point source gas is lacked; in the existing experimental research, most of testing technical means are limited, and all parameter information of gas leakage diffusion and combustion cannot be fully represented, so that useful information is easily lost. In order to solve the problem, the utility model discloses a multiple spot source gas diffusion and efflux flame burning comprehensive experiment platform has been developed, relies on this platform can develop the multiple spot source gas diffusion test and the multiple spot source and melt and the experimental research of flame burning.
Disclosure of Invention
In view of this, the present invention provides a comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a comprehensive experiment platform for multi-point source gas diffusion and jet flame combustion comprises a supporting table and a main body frame arranged on the upper surface of the supporting table, wherein glass mounting positions are arranged on the side surface and the top of the main body frame, and glass is detachably mounted through the glass mounting positions;
the main body frame is internally provided with a mounting piece for mounting the leakage/combustion nozzle, the mounting piece is correspondingly provided with an X, Y, Z shaft adjusting assembly for adjusting the position of the mounting piece, the leakage/combustion nozzle is also correspondingly provided with a firing needle, the firing needle is detachably connected with the mounting piece, and the main body frame is internally provided with an ignition packet corresponding to the firing needle;
still install the concentration sensor who is used for measuring leakage gas concentration and be used for measuring temperature's temperature sensor in the main body frame, concentration sensor and temperature sensor all connect the host computer.
Furthermore, the bottom of the supporting table is provided with a lifting frame used for adjusting the height of the supporting table, and the bottom of the lifting frame is provided with wheels convenient for moving the lifting frame.
Furthermore, the lifting frame is also correspondingly provided with an elastic receiving measuring tape for identifying the height of the support platform;
the flexible storage tape is installed in the installation box, the installation box is fixedly arranged at the bottom end of the lifting frame, a limiting plate used for limiting the tape is fixedly arranged at the outer side end of the installation box, a limiting groove used for limiting the tape is arranged at one side, close to the installation box, of the limiting plate, the tape penetrates through the limiting plate up and down through the limiting groove, and a square hole used for observing the scale of the tape is formed in the outer side of the limiting plate;
the movable end of the measuring tape is fixedly connected with the main body frame.
Furthermore, a limiting ring for limiting the measuring tape is further mounted on the side surface of the supporting table;
the upper surface of the supporting table is also provided with an annular water tank for containing cooling water.
Further, X, Y, Z axle adjusting part includes X axle slide rail, Y axle slide rail, Z axle slide bar, Y axle slide rail is two, all with main body frame fixed connection, the quantity of X axle slide rail is more than 1 root, every the both ends of X axle slide rail respectively have set firmly a slider one, slider one and Y axle slide rail sliding connection, the bottom of Z axle slide bar has set firmly slider two, slider two and X axle slide rail sliding connection, every be equipped with more than one Z axle slide bar on the X axle slide rail, the installed part is installed on Z axle slide bar.
Furthermore, the top of the X-axis slide rail is of a T-shaped structure, a T-shaped sliding groove corresponding to the T-shaped structure is formed in the bottom of the second sliding block, the bottom of the Z-axis slide rail is fixedly connected with the upper surface of the second sliding block, one end of the second sliding block extends outwards to form a connecting portion, a threaded hole is formed in the connecting portion, a locking bolt is correspondingly arranged in the threaded hole, a plurality of limiting holes corresponding to the locking bolt are formed in the upper surface of the X-axis slide rail along the length direction of the upper surface of the X-axis slide rail, and the position of the second sliding block on the X-axis slide rail is limited through the locking bolt.
Furthermore, the mounting piece comprises a first shaping pipe, a mounting plate arranged at the top of the first shaping pipe and a mounting block arranged on one side face of the first shaping pipe, wherein a leakage/combustion nozzle mounting position is arranged on the mounting plate and communicated with the first shaping pipe, and a firing needle mounting position is also arranged on the mounting plate;
the first shaping pipe is locked and fixed with the mounting block through a nut, the bottom of the first shaping pipe penetrates below the mounting block to form a quick connector, a transition connector corresponding to the quick connector is arranged on the main body frame, the quick connector is communicated with the transition connector through a hose, and the other end of the transition connector is communicated with a mixed gas source;
the mounting block is provided with a circular through hole corresponding to the Z-axis slide rod, the Z-axis slide rod penetrates through the mounting block through the circular through hole, and the side face of the mounting block is provided with a locking bolt used for fixing the mounting block and the Z-axis slide rod.
Further, main body frame's top is equipped with the installation crossbeam, install many design pipe two on the installation crossbeam, concentration sensor and temperature sensor install on design pipe two.
Further, be equipped with the bar spout that is used for adjusting two X axle positions of sizing pipe on the installation crossbeam, the outside of sizing pipe two has set firmly the baffle, the upper surface of baffle and the lower surface laminating of installation crossbeam, the top outside of sizing pipe two is equipped with the external screw thread, the external screw thread correspondence is equipped with lock nut, and is fixed two sizing pipes through lock nut.
Furthermore, a fan is correspondingly arranged, a lifting frame is arranged at the bottom of the fan, and a spoiler and a guide plate are arranged at an air outlet of the fan.
Compared with the prior art, multiple spot source gas diffusion and jet flow flame burning comprehensive experiment platform have following advantage:
(1) the utility model discloses a multiple spot source gas diffusion and efflux flame burning comprehensive experiment platform can develop the gas diffusion experimental study under the different operating mode conditions, include (1) can realize the diffusion experiment of different kinds of light, heavy gas; (2) the gas diffusion experiment of single or multiple leakage sources can be realized; (3) the diffusion experiment of horizontal, vertical and any azimuth angle leakage can be realized; (4) the gas diffusion experiment under different leakage rates, pressures, Froude numbers, pore diameters, intervals and arrangement modes can be realized; (5) the gas diffusion experiment can be realized in the presence of obstacles or models of enterprises and parks by building the models; (6) the gas diffusion experiment under different external environmental conditions, wind speed and wind direction and atmospheric stability can be realized, and the flow field characteristics, the diffusion evolution law, the interaction mechanism and the influence mechanism of various factors of multi-point source gas leakage diffusion are further disclosed based on experimental research, theoretical analysis and the like.
(2) The utility model discloses a multiple spot source gas diffusion and efflux flame burning comprehensive experiment platform can develop the gas efflux flame burning experimental study under different operating mode conditions, include (1) can realize different combustible gas diffusion burning, premix gas burning; (2) the multi-source fusion and flame combustion experiment of combustible gas can be realized; (3) the combustible gas combustion experiment with different parameters such as different equivalence ratios, leakage rates, ignition positions, external conditions and the like can be realized.
(3) The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion breaks through the limitation of single-point source gas leakage diffusion or combustion experimental platform; the experimental research of gas diffusion, diffusion combustion and premixed combustion is integrated; based on experimental research and theoretical analysis, effective information of diffusion and combustion mechanisms and evolution rules is fully discussed and captured.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a general structure diagram of a comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion according to an embodiment of the present invention;
FIG. 2 is a second structural diagram of a slider according to an embodiment of the present invention;
FIG. 3 is a view of a mounting member according to an embodiment of the present invention;
fig. 4 is a schematic view of an experimental platform gas circuit according to an embodiment of the present invention;
fig. 5 is an overall structure diagram of a fan according to an embodiment of the present invention;
fig. 6 is a structure diagram of the mounting box according to the embodiment of the present invention.
Description of reference numerals:
1. a lifting frame; 11. mounting a box; 12. a tape measure; 13. a limiting plate; 14. a square hole; 2. a support table; 21. an annular water tank; 3. a main body frame; 31. mounting a cross beam; 32. a transition piece; 33. an X-axis slide rail; 34. a Y-axis slide rail; 35. a Z-axis slide bar; 36. a second sliding block; 361 a connecting part; 362. a locking bolt; 37. a mounting member; 371. a first shaping pipe; 372. mounting a plate; 373. an ignition needle mounting position; 374. A leakage/combustion nozzle mounting location; 375. mounting blocks; 376. locking the bolt; 38. an ignition pack; 4. A shaping pipe II; 5. a concentration sensor; 6. a temperature sensor; 7. locking the nut; 8. a fan; 81. A spoiler; 82. a guide plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion comprises a support table 2 and a main body frame 3 arranged on the upper surface of the support table 2, wherein glass mounting positions are arranged on the side surface and the top of the main body frame 3, and glass can be detachably mounted through the glass mounting positions;
the main body frame 3 is internally provided with a mounting piece 37 for mounting a leakage/combustion nozzle, the mounting piece 37 is correspondingly provided with an X, Y, Z shaft adjusting assembly for adjusting the position of the leakage/combustion nozzle, the leakage/combustion nozzle is also correspondingly provided with a firing needle, the firing needle is detachably connected with the mounting piece 37, and the main body frame 3 is also internally provided with an ignition pack 38 corresponding to the firing needle; the ignition bag 38 can also be connected with an upper computer according to requirements to realize automatic ignition or manual ignition.
The leakage/combustion nozzle is provided with a nozzle which can be used for diffusion and combustion respectively, and the leakage/combustion nozzle and the nozzle are independent structures and can be replaced during experiments. The combustion nozzle is of a pipe type, and a high-voltage ignition bag 38 is arranged outside the combustion nozzle, so that automatic ignition or manual ignition is realized. The nozzle can be replaced according to the experiment requirement when the experiment is carried out, and is used for researching the influence of the factor of the aperture of the nozzle on the leakage diffusion or the jet flame combustion consequence. Both forms of the leakage/combustion nozzle are prior art and are not described in detail herein.
Still install the concentration sensor 5 that is used for measuring the gas concentration that leaks in the main body frame 3 and be used for measuring temperature's temperature sensor 6, concentration sensor 5 and temperature sensor 6 all connect the host computer.
The bottom of the supporting table 2 is provided with a lifting frame 1 for adjusting the height of the supporting table 2, and the bottom of the lifting frame 1 is provided with wheels convenient for moving the lifting frame 1.
The lifting frame 1 is also correspondingly provided with an elastic storage measuring tape 12 for identifying the height of the support platform 2;
as shown in fig. 1 and 6, the elastic accommodating tape 12 is installed in the installation box 11, the installation box 11 is fixedly installed at the bottom end of the lifting frame 1, a limiting plate 13 for limiting the tape 12 is fixedly installed at the outer side end of the installation box 11, a limiting groove for limiting the tape 12 is arranged at one side of the limiting plate 13 adjacent to the installation box 11, the tape 12 penetrates through the limiting plate 13 up and down through the limiting groove, and a square hole 14 for observing the scale of the tape 12 is formed at the outer side of the limiting plate 13; the movable end of the measuring tape 12 is fixedly connected with the main body frame 3.
The main body frame 3 is open by adopting a steel structure 5, the length, the width and the height of the support table 2 are 2 x 1 x 1.5m, and scales are marked in all directions of the length, the width and the height; the bottom adopts an automatic lifting system, the height is guaranteed to be adjustable within 0.2-1.2 meters, the precision is 1mm, and the tape 12 can be equipped with stretchable marking scales; platform main body frame 3 and elevating platform are mutual independent system, and the elevating platform bottom is equipped with the truckle, realizes the movable. Meanwhile, glass can be additionally arranged on the glass mounting position, so that experimental research on gas diffusion and combustion in an open semi-open and closed space is realized.
A limiting ring for limiting the measuring tape 12 is further mounted on the side surface of the support table 2; the upper surface of the supporting platform 2 is also provided with an annular water tank 21 for containing cooling water.
X, Y, Z axle adjusting part includes X axle slide rail 33, Y axle slide rail 34, Z axle slide bar 35, Y axle slide rail 34 is two, all with main body frame 3 fixed connection, the quantity of X axle slide rail 33 is more than 1 root, every the both ends of X axle slide rail 33 respectively have set firmly a slider one, slider one and Y axle slide rail 34 sliding connection, Z axle slide bar 35's bottom has set firmly slider two 36, slider two 36 and X axle slide rail 33 sliding connection, every be equipped with more than one Z axle slide bar 35 on the X axle slide rail 33, installed part 37 is installed on Z axle slide bar 35.
As shown in fig. 1 and 2, the top of the X-axis slide rail 33 is of a T-shaped structure, a T-shaped sliding groove corresponding to the T-shaped structure is formed in the bottom of the second slider 36, the bottom of the Z-axis slide bar 35 is fixedly connected to the upper surface of the second slider 36, one end of the second slider 36 extends outward to form a connecting portion 361, a threaded hole is formed in the connecting portion 361, a locking bolt 362 is correspondingly disposed in the threaded hole, a plurality of limiting holes corresponding to the locking bolt 362 are formed in the upper surface of the X-axis slide rail 33 along the length direction of the upper surface, and the position of the second slider 36 on the X-axis slide rail 33 is limited by the locking bolt 362.
As shown in fig. 1 and 3, the mounting member 37 includes a shaping pipe one 371, a mounting plate 372 mounted on the top of the shaping pipe one 371, and a mounting block 375 mounted on the side of the shaping pipe one 371, wherein the mounting plate 372 is provided with a leakage/combustion nozzle mounting position 374 communicated with the shaping pipe one 371, and the mounting plate 372 is further provided with a fire-striking needle mounting position;
as shown in fig. 1 and 4, the first sizing pipe 371 is locked and fixed with the mounting block 375 through a nut, the bottom of the first sizing pipe 371 penetrates below the mounting block 375 to form a quick connector, the main body frame 3 is provided with a transition connector 32 corresponding to the quick connector, the quick connector is communicated with the transition connector 32 through a hose, and the other end of the transition connector 32 is communicated with a mixed gas source;
as shown in fig. 4, in order to realize the premixing of different gases to form gases with any designed density, gas leakage diffusion experimental studies with different densities and gas premixing combustion experimental studies with different chemical equivalence ratios can be developed, a gas distribution system is designed in a gas circuit control cabinet, two input gases are provided at the front end, the output gas is provided at the rear end after uniform mixing, the controllability of different mass ratios of the two gases is realized in the process, the uniform mixing of the gases is ensured as much as possible, and gas purging is designed to start the next experiment. The method is characterized in that a professional venturi is adopted for dynamic premixing, a one-way valve is installed to prevent backflow tempering, an electromagnetic valve and a mass flow meter are adopted to respectively adjust and control two paths of gas at the front end, and the pressure of the mixed gas is monitored. The mass flow controller and the electromagnetic valve in the gas circuit are controlled by the upper computer.
Be equipped with the circular through-hole that corresponds with Z axle slide bar 35 on the installation piece 375, Z axle slide bar 35 runs through installation piece 375 through circular through-hole, the side of installation piece 375 is equipped with and is used for installing piece 375 and the fixed lock bolt 376 of Z axle slide bar 35.
As shown in fig. 4, in order to study the mutual influence and behavior characteristics of multi-source gas diffusion, the gas mixed by the gas distribution system can be divided into four branches of gas, each branch is provided with an electromagnetic valve and a mass flow meter to control the opening and closing and flow of the pipeline, and single or combined leakage diffusion of one, two, three and four paths of gas can be realized. The leakage source nozzle is fixed on a vertical Z-axis slide bar 35 through a rotatable mounting block 375, the Z-axis slide bar 35 can move along the X-axis and the Y-axis to realize arbitrary movement and fixation in the XY-axis direction, and the leakage source nozzle can slide up and down on the Z-axis slide bar 35 to realize variation in the Z-axis direction, thereby realizing positioning in any direction of the XYZ-axis. The placement of the multiple leakage source nozzles relative to each other is achieved by a combination of a 150mm sizing tube attached to the nozzles and a platform that is rotatable 360 degrees in the horizontal plane.
The top of main body frame 3 is equipped with installation crossbeam 31, install many on the installation crossbeam 31 and stereotype two 4 pipes, concentration sensor 5 and temperature sensor 6 are installed on stereotype two 4 pipes.
Be equipped with the bar spout that is used for adjusting two 4X axle positions of sizing pipe on the installation crossbeam 31, the outside of sizing pipe two 4 has set firmly the baffle, the upper surface of baffle and the lower surface laminating of installation crossbeam 31, the top outside of sizing pipe two 4 is equipped with the external screw thread, the external screw thread correspondence is equipped with lock nut 7, and is fixed to sizing pipe two 4 through lock nut 7.
The concentration sensor 5 comprises 6 CO2 concentration sensors 5 and 6 CH4 concentration sensors 5, the temperature sensor 6 adopts a thermocouple, the gas collection mode is a free diffusion mode, namely, the gas freely diffuses into a probe of the concentration sensor 5, and the concentration measurement range is 0-100% by adopting an infrared principle; concentration sensor 5 is connected through two 4 one ends of the long sizing pipe of 1.5m, arranges in the installation crossbeam 31 at experiment platform top behind the two 4 other ends of sizing pipe and the baffle combination on, the slider can remove on installation crossbeam 31, and two 4 random bendings of sizing pipe simultaneously to make concentration sensor 5 can be fixed in arbitrary spatial position department and carry out concentration measurement. The thermocouple device is characterized in that 6 thermocouples are arranged, the omega 3mm thermocouples are fixed on the thermocouple outer sleeve and are connected with a shaping pipe with the length of 1.5m, a lead of each thermocouple is connected with the top of the frame through the shaping pipe, and the height and the direction of each thermocouple can be adjusted at will.
As shown in fig. 5, a fan 8 is correspondingly arranged, a lifting frame 1 is arranged at the bottom of the fan 8, and a spoiler 81 and a guide plate are arranged at an air outlet of the fan 8. In order to research the influence of external environmental factors on gas diffusion and combustion, a wind field system is designed and comprises an axial flow fan 8, a steady flow section and a lifting platform. The wind speed outlet is designed to be 1030mm multiplied by 1030mm, the wind speed outlet can basically cover the whole side face of the experimental platform, the wind field can provide the wind speed which is designed to be 0-1.5m/s (the static wind is 0-0.5m/s, the small wind is 0.5-1.0m/s, the wind speed adjusting range is larger than 1m/s in the atmospheric environment, the actual application can be basically covered by considering the scale effect), and the wind speed is adjusted through the frequency converter. After the outlet wind speed and the outlet area of the wind field are determined, a proper fan 8 is selected, the length required by the steady flow section is determined through calculation, and the length-to-diameter ratio of the steady flow pipe is 1-1.5: 1. the height of the wind field system is consistent with that of the experimental platform, a lifting platform is also adopted at the bottom, the height is adjusted to be 0.2m-1.2m, scales are marked through a measuring tape 12, and casters are arranged at the bottom of the lifting platform, so that the movable type is realized.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a multiple spot source gas diffusion and efflux flame burning comprehensive experiment platform which characterized in that: the glass installation device comprises a support table and a main body frame arranged on the upper surface of the support table, wherein glass installation positions are arranged on the side surface and the top of the main body frame, and glass can be detachably installed through the glass installation positions;
the main body frame is internally provided with a mounting piece for mounting the leakage/combustion nozzle, the mounting piece is correspondingly provided with an X, Y, Z shaft adjusting assembly for adjusting the position of the mounting piece, the leakage/combustion nozzle is also correspondingly provided with a firing needle, the firing needle is detachably connected with the mounting piece, and the main body frame is internally provided with an ignition packet corresponding to the firing needle;
still install the concentration sensor who is used for measuring leakage gas concentration and be used for measuring temperature's temperature sensor in the main body frame, concentration sensor and temperature sensor all connect the host computer.
2. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 1, wherein: the bottom of brace table is equipped with the crane that is used for adjusting brace table height, the bottom of crane is equipped with the wheel of being convenient for remove the crane.
3. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 2, wherein: the lifting frame is also correspondingly provided with an elastic receiving tape measure for identifying the height of the supporting platform;
the flexible storage tape is installed in the installation box, the installation box is fixedly arranged at the bottom end of the lifting frame, a limiting plate used for limiting the tape is fixedly arranged at the outer side end of the installation box, a limiting groove used for limiting the tape is arranged at one side, close to the installation box, of the limiting plate, the tape penetrates through the limiting plate up and down through the limiting groove, and a square hole used for observing the scale of the tape is formed in the outer side of the limiting plate;
the movable end of the measuring tape is fixedly connected with the main body frame.
4. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 3, wherein: a limiting ring for limiting the tape measure is further mounted on the side face of the supporting table;
the upper surface of the supporting table is also provided with an annular water tank for containing cooling water.
5. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 1, wherein: x, Y, Z axle adjusting part includes X axle slide rail, Y axle slide rail, Z axle slide bar, Y axle slide rail is two, all with main body frame fixed connection, the quantity of X axle slide rail is more than 1 root, every the both ends of X axle slide rail respectively have set firmly a slider one, slider one and Y axle slide rail sliding connection, the bottom of Z axle slide bar has set firmly slider two, slider two and X axle slide rail sliding connection, every be equipped with more than one Z axle slide bar on the X axle slide rail, the installed part is installed on Z axle slide bar.
6. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 5, wherein: the top of the X-axis slide rail is of a T-shaped structure, a T-shaped slide groove corresponding to the T-shaped structure is formed in the bottom of the second sliding block, the bottom of the Z-axis slide rail is fixedly connected with the upper surface of the second sliding block, one end of the second sliding block extends outwards to form a connecting portion, a threaded hole is formed in the connecting portion, a locking bolt is correspondingly arranged in the threaded hole, a plurality of limiting holes corresponding to the locking bolt are formed in the upper surface of the X-axis slide rail along the length direction of the upper surface of the X-axis slide rail, and the position of the second sliding block on the X-axis slide rail is limited through the locking bolt.
7. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 5, wherein: the mounting piece comprises a first shaping pipe, a mounting plate arranged at the top of the first shaping pipe and a mounting block arranged on one side surface of the first shaping pipe, wherein a leakage/combustion nozzle mounting position is arranged on the mounting plate and communicated with the first shaping pipe, and a firing needle mounting position is also arranged on the mounting plate;
the first shaping pipe is locked and fixed with the mounting block through a nut, the bottom of the first shaping pipe penetrates below the mounting block to form a quick connector, a transition connector corresponding to the quick connector is arranged on the main body frame, the quick connector is communicated with the transition connector through a hose, and the other end of the transition connector is communicated with a mixed gas source;
the mounting block is provided with a circular through hole corresponding to the Z-axis slide rod, the Z-axis slide rod penetrates through the mounting block through the circular through hole, and the side face of the mounting block is provided with a locking bolt used for fixing the mounting block and the Z-axis slide rod.
8. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 1, wherein: the top of main body frame is equipped with the installation crossbeam, install many sizing pipes two on the installation crossbeam, concentration sensor and temperature sensor install on sizing pipe two.
9. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 8, wherein: the utility model discloses a two X axle positions of sizing pipe are fixed to the upper surface of baffle, the installation crossbeam is equipped with the bar spout that is used for adjusting two X axle positions of sizing pipe on, the outside of sizing pipe two has set firmly the baffle, the upper surface of baffle and the lower surface laminating of installation crossbeam, the top outside of sizing pipe two is equipped with the external screw thread, the external screw thread correspondence is equipped with lock nut, and is fixed to sizing pipe two through lock nut.
10. The comprehensive experimental platform for multi-point source gas diffusion and jet flame combustion as claimed in claim 1, wherein: still correspond and be equipped with the fan, the bottom of fan is equipped with the crane, the air outlet of fan is equipped with spoiler and guide plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023313682.1U CN214253632U (en) | 2020-12-30 | 2020-12-30 | Multi-point source gas diffusion and jet flame combustion comprehensive experiment platform |
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| CN202023313682.1U CN214253632U (en) | 2020-12-30 | 2020-12-30 | Multi-point source gas diffusion and jet flame combustion comprehensive experiment platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876646A (en) * | 2022-12-23 | 2023-03-31 | 中国科学技术大学 | Gas dangerous chemical leakage fire behavior characteristic simulation experiment device |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876646A (en) * | 2022-12-23 | 2023-03-31 | 中国科学技术大学 | Gas dangerous chemical leakage fire behavior characteristic simulation experiment device |
| CN115876646B (en) * | 2022-12-23 | 2024-02-06 | 中国科学技术大学 | Gas dangerous chemical leakage fire behavior characteristic simulation experiment device |
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