CN213516964U - Experimental device for influencing explosion characteristics of combustible gas by superfine water mist - Google Patents
Experimental device for influencing explosion characteristics of combustible gas by superfine water mist Download PDFInfo
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- CN213516964U CN213516964U CN202022587063.5U CN202022587063U CN213516964U CN 213516964 U CN213516964 U CN 213516964U CN 202022587063 U CN202022587063 U CN 202022587063U CN 213516964 U CN213516964 U CN 213516964U
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Abstract
The utility model discloses an experimental device for influencing explosion characteristics of combustible gas by superfine water mist, which comprises an explosion cavity body, wherein a water mist generating device is detachably arranged below the explosion cavity body, the water mist generating device comprises a piezoelectric ceramic oscillator and a water tank, the piezoelectric ceramic oscillator is positioned in the water tank, a separator is arranged on the explosion cavity body, the separator separates a water tank cavity from a cavity of the explosion cavity body, an ignition device for ignition is arranged on the explosion cavity body, and a circulating pipeline for gas circulation is arranged on the explosion cavity body, the experimental device for explosion characteristics of combustible gas of the utility model generates the superfine water mist with high concentration in the explosion cavity body, the separator separates or communicates the cavities of the water tank cavity and the explosion cavity body by adjusting the frequency of the piezoelectric ceramic oscillator to control the water mist particle size, thereby solving the problem that the superfine water mist is added into the closed explosion cavity, and the technical problem of forming a high-concentration superfine water mist environment is solved, the water mist amount can be measured, and the water mist particle size can be adjusted.
Description
Technical Field
The utility model relates to a combustible gas explosion experiment field specifically is a superfine water smoke influences combustible gas explosion characteristic experimental apparatus.
Background
With the rapid development of industrialization in China, explosion accidents of combustible gas (steam) or a mixture thereof (hereinafter referred to as combustible gas) can be caused by various factors in the processes of industrial production, storage and transportation, and fire explosion accidents of combustible gas in various industrial places are frequent, so that the industries of natural gas transportation, petrochemical industry, coal mine safety production and the like are seriously threatened, huge economic loss is brought to the country, and great harm is brought to life and property of people. The explosion limit of the combustible gas is an important parameter for characterizing the combustion and explosion characteristics of the mixed gas, and the explosion limit is the lowest concentration (lower explosion limit) and the highest concentration (upper explosion limit) of the combustible gas, which can be exploded by the mixed gas consisting of the combustible gas and air under standard measurement conditions. The explosion limit of the combustible gas is mainly determined by the explosion characteristics of the combustible gas, and is related to factors such as initial temperature, pressure and humidity, the type and energy of an ignition source and the like.
How to effectively prevent and treat the combustible gas with high efficiency and reduce the economic loss caused by the explosion of the combustible gas is a key problem to be solved urgently at present. The superfine water mist has the characteristics of high-efficiency heat absorption, cooling, obstruction and thermal radiation attenuation, is a common economic and environment-friendly fire-extinguishing explosion-control material, and is primarily applied to the fields of liquefied petroleum, natural gas storage tanks, pipeline transportation protection, coal mine underground gas explosion prevention and explosion suppression and the like at present. Has been recognized as a combustible gas explosion inhibitor with good application prospect.
At present, the high-pressure spraying device generates water mist with large particle size and short flying time in the air, and the water mist particles are sprayed out from a nozzle at a certain speed and are easily hit to a wall of a device to be condensed into water drops in a narrow space of an explosion chamber, so that the high-concentration water mist environment is not formed in the explosion chamber. The superfine water mist generated by the piezoelectric ceramic oscillator has small particle size (between 5um and 15 um) and long dispersion time in the air, and can form a high-concentration water mist environment, but how to reasonably separate the superfine water mist oscillation generating device from an explosion chamber and enable the superfine water mist to be added into the closed explosion chamber without mist quantity loss is an unsolved technical problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a superfine water smoke influences combustible gas explosion characteristic experimental apparatus, produce the superfine water smoke of high concentration in the explosion cavity, through the frequency control water smoke particle diameter of adjusting piezoceramics oscillator, the separator is separated water tank cavity and the cavity of explosion cavity or is linked together, has solved the superfine water smoke and has had no loss to add airtight explosion cavity to form the technological problem in high concentration superfine water smoke environment, and the water smoke volume can be measured, and the water smoke particle diameter is adjustable.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides an superfine water smoke influences combustible gas explosion characteristic experimental apparatus, experimental apparatus includes the explosion cavity, the below of explosion cavity can be dismantled and be equipped with water smoke generating device, water smoke generating device includes piezoceramics oscillator and water tank, piezoceramics oscillator is located the water tank, be equipped with the separator on the water tank, the separator separates the cavity of water tank cavity and explosion cavity, be equipped with the ignition who is used for detonating on the explosion cavity, be equipped with the circulation pipeline that is used for gas circulation on the explosion cavity, be equipped with the pressure sensor who detects explosion cavity internal pressure and the temperature sensor who detects explosion cavity internal temperature on the explosion cavity, be equipped with the first connecting line with the vacuum pump intercommunication on the explosion cavity, be equipped with the second connecting line with the bottle intercommunication of splendid attire combustible gas on the explosion cavity, be equipped with intracavity pressure.
Furthermore, the explosion cavity comprises a cylinder body, an explosion cavity is arranged in the cylinder body, the cylinder body is of a cylindrical structure made of stainless steel, a top wall is arranged above the cylinder body, connecting columns distributed in an array mode are arranged on the top wall, and mounting holes are formed in the connecting columns;
the utility model discloses an explosion-proof fire-fighting water tank, including barrel, observation area, observation zone, tempering borosilicate glass material, the below of barrel is equipped with first flange, is equipped with the observation area on the barrel, and the flame that the explosion produced is conveniently observed in the observation area, and the observation area is toughened borosilicate glass material.
Furthermore, the water tank comprises a water tank main body, the water tank main body is made of transparent glass, a second connecting flange is arranged on the water tank main body, and the second connecting flange is matched with the first connecting flange to realize the detachable installation of the explosion cavity and the water mist generating device;
the water tank main body is provided with a support plate, a sliding groove is arranged in the support plate and is communicated with the explosion chamber, a communicating groove communicated with the sliding groove is arranged on the support plate, one end of the communicating groove is provided with a connecting plate, and a first through hole is arranged on the connecting plate;
the water tank main body is communicated with a fifth pipe body, a fifth valve is arranged on the fifth pipe body, and the fifth pipe body is located between the second connecting flange and the supporting plate.
Further, the separator is including fixing the drive cylinder body on the connecting plate, be equipped with the switch that is used for controlling the drive cylinder body on the barrel, the output shaft of drive cylinder body passes first perforation hole fastening connection and has the division board, the division board is including being located gliding division board main part of sliding tray, be equipped with the arc closing plate in the division board main part, be equipped with in the division board main part and be located the gliding sliding block of intercommunication groove, the one end and the division board main part fastening connection of sliding block, the other end is equipped with the connecting block, the output shaft of drive cylinder body passes first through hole and connecting block fastening connection, drive cylinder body drive division board is located sliding tray and slides.
Further, circulation pipeline includes first body, is equipped with gas circulation pump on the first body, is equipped with two first valves on the first body, and first valve is located the both sides of first gas circulation pump respectively, and the roof and the explosion cavity intercommunication are passed to the one end of first body, and the other end passes the lateral wall and the explosion cavity intercommunication of explosion cavity.
Furthermore, the first connecting pipeline comprises a second pipe body, a second valve is arranged on the second pipe body, one end of the second pipe body is communicated with the explosion chamber, and the other end of the second pipe body is communicated with the vacuum pump.
Further, the second connecting pipeline comprises a third pipe body, a third valve is arranged on the third pipe body, one end of the third pipe body is communicated with the explosion chamber, and the other end of the third pipe body is communicated with the bottle body filled with combustible gas.
Further, the intracavity pressure detecting part comprises a fourth pipe body, one end of the fourth pipe body is communicated with the explosion chamber, an intracavity pressure detector is arranged at the other end of the fourth pipe body, a digital pressure gauge is arranged on the intracavity pressure detector, a fourth valve is arranged on the fourth pipe body, and the fourth valve is located between the explosion chamber and the intracavity pressure detector.
Further, the first pipe body, the pressure sensor, the temperature sensor, the second pipe body, the third pipe body and the fourth pipe body are respectively installed in the installation hole.
The use method of the experimental device for influencing the explosion characteristics of the combustible gas by the ultrafine water mist comprises the following steps:
s1 preparation of experiment
Opening a fifth valve, adding water into the water tank until the water in the water tank contacts with the partition plate main body, mounting an ignition fuse on the ignition device, enabling the partition plate to slide in the sliding groove, separating the water tank main body from the barrel, checking the air tightness of the explosion chamber, opening a second valve and a fourth valve, vacuumizing the cavity to-40-30 Kpa by using a vacuum pump, and closing the second valve;
s2: opening the third valve, filling combustible gas into the explosion chamber by using Dalton partial pressure normal method, closing the third valve, opening the second valve, allowing air to enter the explosion chamber under the action of negative pressure until the reading of the pressure gauge on the pressure detection member in the chamber is zero, and closing the second valve and the fourth valve
S3: and opening the first valve, fully mixing the gas in the explosion chamber through the gas circulating pump for 5-8min, and closing the first valve.
S4: and opening the piezoelectric ceramic oscillator, pressing a switch, controlling the communication between the water tank cavity and the explosion cavity, and allowing the fine water mist to enter the explosion cavity.
S5: the switch is pressed to separate the water tank cavity from the explosion cavity, the piezoelectric ceramic oscillator is closed, the particle size of the superfine water mist is adjusted through oscillation frequency, and the quantity of the superfine water mist in the explosion cavity is controlled through atomization time.
S6: starting an ignition device to ignite, and respectively detecting pressure and temperature through a pressure sensor and a temperature sensor.
S7: and pressing a switch to control the communication of the water tank cavity and the explosion cavity, opening the mounting port of the ignition device, communicating the explosion cavity with the external gas, opening the second valve, starting a vacuum pump to remove the reaction waste gas in the cavity, and ending the experiment.
The utility model has the advantages that:
1. the utility model discloses combustible gas explosion characteristic experimental apparatus produces the superfine water smoke of high concentration in explosion cavity, through adjusting the frequency control water smoke particle diameter of piezoceramics oscillator, the separator separates or communicates water tank cavity and the cavity of explosion cavity, has solved the technical problem that superfine water smoke is lossless to be added to airtight explosion cavity to form the superfine water smoke environment of high concentration, and the water smoke volume can be measured, and the water smoke particle diameter is adjustable;
2. the utility model discloses combustible gas explosion characteristic experimental apparatus is used for testing the influence of the superfine water smoke of different particle diameters, different water smoke volume to combustible gas explosion limit, explosion pressure and temperature.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the experimental apparatus of the present invention;
FIG. 2 is a schematic structural view of the experimental apparatus of the present invention;
fig. 3 is a schematic structural view of the explosion chamber of the present invention;
FIG. 4 is a schematic diagram of the structure of the partition board of the present invention;
fig. 5 is a schematic diagram of a part of the experimental apparatus of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
An experimental device for influencing explosion characteristics of combustible gas by superfine water mist comprises an explosion cavity 1, as shown in figures 1 and 2, a water mist generating device is detachably arranged below the explosion cavity 1 and comprises a piezoelectric ceramic oscillator and a water tank 3, the piezoelectric ceramic oscillator is positioned in the water tank 3, a partition 2 is arranged on the water tank 3, a cavity of the water tank 3 is separated from a cavity of the explosion cavity 1 by the partition 2, an ignition device 20 for ignition is arranged on the explosion cavity 1, a circulating pipeline 5 for gas circulation is arranged on the explosion cavity 1, a pressure sensor 6 for detecting the pressure in the explosion cavity 1 and a temperature sensor 7 for detecting the temperature in the explosion cavity 1 are arranged on the explosion cavity 1, a first connecting pipeline 8 communicated with a vacuum pump is arranged on the explosion cavity 1, a second connecting pipeline 9 communicated with a bottle body containing combustible gas is arranged on the explosion cavity 1, the explosion cavity 1 is provided with an intracavity pressure detecting member 10.
Explosion cavity 1 includes barrel 11, sets up the explosion cavity in the barrel 11, and barrel 11 is stainless steel's cylindrical structure, as shown in fig. 3, and the top of barrel 11 is equipped with roof 111, is equipped with array distribution's spliced pole 13 on the roof 111, is equipped with mounting hole 14 on the spliced pole 13.
A first connecting flange 15 is arranged below the cylinder body 11, an observation area 12 is arranged on the cylinder body 11, the observation area 12 is convenient for observing flame generated by explosion, and the observation area 12 is made of toughened borosilicate glass.
The water tank 3 comprises a water tank main body 31, the water tank main body 31 is made of transparent glass, as shown in fig. 4, a second connecting flange 32 is arranged on the water tank main body 31, and the second connecting flange 32 is matched with the first connecting flange 15 to realize the detachable installation of the explosion cavity 1 and the water mist generating device.
The water tank main body 31 is provided with a support plate 33, a sliding groove 34 is arranged in the support plate 33, the sliding groove 34 is communicated with the explosion chamber, a communicating groove 35 communicated with the sliding groove 34 is arranged on the support plate 33, a connecting plate 36 is arranged at one end of the communicating groove 35, and a first through hole 37 is arranged on the connecting plate 36.
The water tank main body 31 is provided with a fifth pipe body 301 in a communicating manner, the fifth pipe body 301 is provided with a fifth valve 302, and the fifth pipe body 301 is located between the second connecting flange 32 and the support plate 33.
The partition 2 comprises a driving cylinder 21 fixed on the connecting plate 36, a switch 23 for controlling the driving cylinder 21 is arranged on the cylinder 11, an output shaft of the driving cylinder 21 penetrates through the first through hole 37 to be fixedly connected with the partition 22, as shown in fig. 5, the partition 22 comprises a partition main body 221 which is positioned in the sliding groove 34 and slides in a sealing manner, an arc-shaped sealing plate 222 is arranged on the partition main body 221, a sliding block 223 which is positioned in the communication groove 35 and slides in the partition main body 221 is arranged on the partition main body 221, one end of the sliding block 223 is fixedly connected with the partition main body 221, a connecting block 224 is arranged at the other end of the sliding block, the output shaft of the driving cylinder 21 penetrates through the first through hole 37 to be fixedly connected with the connecting block 224.
Circulation pipeline 5 includes first body 51, is equipped with gas circulation pump 52 on the first body 51, is equipped with two first valves 53 on the first body 51, and first valve 53 is located first gas circulation pump 52's both sides respectively, and roof 111 and explosion chamber intercommunication are passed to the one end of first body 51, and the other end passes the lateral wall and the explosion chamber intercommunication of explosion cavity 1.
The first connecting pipeline 8 comprises a second pipe 81, a second valve 82 is arranged on the second pipe 81, one end of the second pipe 81 is communicated with the explosion chamber, and the other end is communicated with the vacuum pump.
The second connecting pipeline 9 comprises a third pipe body 91, a third valve 92 is arranged on the third pipe body 91, one end of the third pipe body 91 is communicated with the explosion chamber, and the other end of the third pipe body is communicated with a bottle body for containing combustible gas.
The intracavity pressure detecting part 10 comprises a fourth pipe body 101, one end of the fourth pipe body 101 is communicated with the explosion chamber, the other end of the fourth pipe body 101 is provided with an intracavity pressure detector 102, the intracavity pressure detector 102 is provided with a digital pressure gauge, the fourth pipe body 101 is provided with a fourth valve 103, and the fourth valve 103 is positioned between the explosion chamber 1 and the intracavity pressure detector 102.
The first pipe 51, the pressure sensor 6, the temperature sensor 7, the second pipe 81, the third pipe 91, and the fourth pipe 101 are installed in the installation hole 14, respectively.
A use method of an experimental device for influencing the explosion characteristic of combustible gas by ultrafine water mist comprises the following steps:
s1 preparation of experiment
Opening the fifth valve 302, adding water into the water tank 3 until the water in the water tank 3 contacts with the partition plate main body 221, installing an ignition fuse on the ignition device 20, enabling the partition plate 22 to slide in the sliding groove 34 to separate the water tank main body 31 from the barrel 11, checking the air tightness of an explosion chamber, opening the second valve 82 and the fourth valve 103, vacuumizing the cavity to-40-30 Kpa by using a vacuum pump, and closing the second valve 82;
s2: opening the third valve 92, filling combustible gas into the explosion chamber by using Dalton partial pressure normal method, closing the third valve 92, opening the second valve 82, introducing air into the explosion chamber under the action of negative pressure until the pressure gauge reading on the pressure detection member 10 in the chamber is zero, closing the second valve 82 and the fourth valve 103
S3: and opening the first valve 53, fully mixing the gas in the explosion chamber through the gas circulating pump 52 for 5-8min, and closing the first valve 53.
S4: and (3) opening the piezoelectric ceramic oscillator, pressing a switch 23, controlling the communication of the cavity of the water tank 3 and the cavity of the explosion cavity 1, and enabling the fine water mist to enter the explosion cavity.
S5: the switch 23 is pressed to separate the cavity of the water tank 3 from the cavity of the explosion cavity 1, the piezoelectric ceramic oscillator is closed, the particle size of the superfine water mist is adjusted through oscillation frequency, and the quantity of the superfine water mist in the explosion cavity is controlled through atomization time.
S6: the ignition device 20 is started to ignite, and the pressure and the temperature are detected by the pressure sensor 6 and the temperature sensor 7, respectively.
S7: and (3) pressing the switch 23 to control the communication of the chamber of the water tank 3 and the chamber of the explosion cavity 1, opening the mounting port of the ignition device 20 to communicate the explosion cavity with the outside air, opening the second valve 82, starting a vacuum pump to remove the reaction waste gas in the cavity, and ending the experiment.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides an experimental apparatus for superfine water smoke influences combustible gas explosion characteristic, the experimental apparatus includes explosion cavity (1), a serial communication port, the below of explosion cavity (1) can be dismantled and be equipped with water smoke generating device, water smoke generating device includes piezoceramics oscillator and water tank (3), piezoceramics oscillator is located water tank (3), be equipped with separator (2) on water tank (3), separator (2) separate the cavity of water tank (3) cavity and explosion cavity (1), be equipped with ignition (20) that are used for detonating on explosion cavity (1), be equipped with circulating line (5) that are used for gas circulation on explosion cavity (1), be equipped with pressure sensor (6) that detect explosion cavity (1) internal pressure and temperature sensor (7) that detect explosion cavity (1) internal temperature on explosion cavity (1), be equipped with the first connecting line (8) with the vacuum pump intercommunication on explosion cavity (1), the explosion cavity (1) is provided with a second connecting pipeline (9) communicated with a bottle body for containing combustible gas, and the explosion cavity (1) is provided with an intracavity pressure detecting piece (10).
2. The experimental device for the influence of the superfine water mist on the explosion characteristics of the combustible gas according to claim 1, wherein the explosion cavity (1) comprises a cylinder body (11), an explosion chamber is arranged in the cylinder body (11), the cylinder body (11) is a cylindrical structure made of stainless steel, a top wall (111) is arranged above the cylinder body (11), connecting columns (13) distributed in an array are arranged on the top wall (111), and mounting holes (14) are formed in the connecting columns (13);
the utility model discloses a fire monitor, including barrel (11), observation area (12), barrel (11) below is equipped with first flange (15), is equipped with observation area (12) on barrel (11), and observation area (12) conveniently observe the flame that the explosion produced, and observation area (12) are the toughened borosilicate glass material.
3. The experimental device for the influence of the ultrafine water mist on the explosion characteristics of the combustible gas according to claim 2, wherein the water tank (3) comprises a water tank main body (31), the water tank main body (31) is made of transparent glass, a second connecting flange (32) is arranged on the water tank main body (31), and the second connecting flange (32) is matched with the first connecting flange (15) to realize the detachable installation of the explosion cavity (1) and the water mist generation device;
a support plate (33) is arranged on the water tank main body (31), a sliding groove (34) is arranged in the support plate (33), the sliding groove (34) is communicated with the explosion chamber, a communicating groove (35) communicated with the sliding groove (34) is arranged on the support plate (33), a connecting plate (36) is arranged at one end of the communicating groove (35), and a first through hole (37) is arranged on the connecting plate (36);
the water tank is characterized in that a fifth pipe body (301) is communicated with the water tank main body (31), a fifth valve (302) is arranged on the fifth pipe body (301), and the fifth pipe body (301) is located between the second connecting flange (32) and the supporting plate (33).
4. The experimental device for the influence of the ultrafine water mist on the explosion characteristics of the combustible gas according to claim 3, wherein the partition (2) comprises a driving cylinder (21) fixed on a connecting plate (36), a switch (23) for controlling the driving cylinder (21) is arranged on the cylinder (11), an output shaft of the driving cylinder (21) passes through a first through hole (37) and is fixedly connected with a partition (22), the partition (22) comprises a partition main body (221) positioned in a sliding groove (34) in a sliding manner, an arc-shaped sealing plate (222) is arranged on the partition main body (221), a sliding block (223) positioned in a communicating groove (35) in a sliding manner is arranged on the partition main body (221), one end of the sliding block (223) is fixedly connected with the partition main body (221), a connecting block (224) is arranged at the other end of the sliding block, and an output shaft of the driving cylinder (21) passes through, the driving cylinder body (21) drives the partition plate (22) to slide in the sliding groove (34), and the chamber of the control water tank (3) is separated from and communicated with the chamber of the explosion cavity (1).
5. The experimental device for the influence of the ultrafine water mist on the explosion characteristics of the combustible gas according to claim 2, wherein the circulation pipeline (5) comprises a first pipe body (51), a gas circulation pump (52) is arranged on the first pipe body (51), two first valves (53) are arranged on the first pipe body (51), the first valves (53) are respectively located at two sides of the first gas circulation pump (52), one end of the first pipe body (51) penetrates through the top wall (111) to be communicated with the explosion chamber, and the other end of the first pipe body penetrates through the side wall of the explosion chamber (1) to be communicated with the explosion chamber.
6. The experimental device for testing the influence of the ultrafine water mist on the explosion characteristics of the combustible gas according to claim 5, wherein the first connecting pipeline (8) comprises a second pipe body (81), a second valve (82) is arranged on the second pipe body (81), one end of the second pipe body (81) is communicated with the explosion chamber, and the other end of the second pipe body is communicated with the vacuum pump.
7. The experimental device for testing the influence of the ultrafine water mist on the explosion characteristics of the combustible gas according to claim 6, wherein the second connecting pipeline (9) comprises a third pipe body (91), a third valve (92) is arranged on the third pipe body (91), one end of the third pipe body (91) is communicated with the explosion chamber, and the other end of the third pipe body is communicated with a bottle body containing the combustible gas.
8. The experimental device for the influence of the ultrafine water mist on the explosion characteristics of the combustible gas according to claim 7, wherein the intracavity pressure detector (10) comprises a fourth tube (101), one end of the fourth tube (101) is communicated with the explosion chamber, the other end of the fourth tube is provided with an intracavity pressure detector (102), the intracavity pressure detector (102) is provided with a digital pressure gauge, the fourth tube (101) is provided with a fourth valve (103), and the fourth valve (103) is located between the explosion chamber (1) and the intracavity pressure detector (102).
9. The experimental device for testing the explosion characteristics of combustible gas influenced by ultrafine water mist according to claim 8, wherein the first tube (51), the pressure sensor (6), the temperature sensor (7), the second tube (81), the third tube (91) and the fourth tube (101) are respectively installed in the installation hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022587063.5U CN213516964U (en) | 2020-11-09 | 2020-11-09 | Experimental device for influencing explosion characteristics of combustible gas by superfine water mist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022587063.5U CN213516964U (en) | 2020-11-09 | 2020-11-09 | Experimental device for influencing explosion characteristics of combustible gas by superfine water mist |
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| Publication Number | Publication Date |
|---|---|
| CN213516964U true CN213516964U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022587063.5U Expired - Fee Related CN213516964U (en) | 2020-11-09 | 2020-11-09 | Experimental device for influencing explosion characteristics of combustible gas by superfine water mist |
Country Status (1)
| Country | Link |
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| CN (1) | CN213516964U (en) |
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2020
- 2020-11-09 CN CN202022587063.5U patent/CN213516964U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |