CN108230863B - Remote control dust explosion simulation presentation device - Google Patents
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- CN108230863B CN108230863B CN201810096631.6A CN201810096631A CN108230863B CN 108230863 B CN108230863 B CN 108230863B CN 201810096631 A CN201810096631 A CN 201810096631A CN 108230863 B CN108230863 B CN 108230863B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The invention discloses a remote control dust explosion simulation demonstration device, which comprises: the device comprises a firing mechanism, dust, a needle-prick fire cap, a remote inflating device, a cavity and a control device for remotely controlling the firing mechanism; the dust and the acupuncture fire cap are positioned in the cavity, and the remote inflating device supplies air to the cavity; the firing mechanism comprises a firing pin and an upper cover, the firing pin is located in the upper cover and used for striking the needle puncturing cap, and the firing mechanism and the cavity are sealed to form an explosion chamber. The invention has the advantages of no influence of the inflating device on ignition, high success rate, remote inflating and remote control functions, high safety, easy disassembly and assembly, contribution to safely and quickly discharging faults and favorable demonstration effect.
Description
Technical Field
The invention relates to the technical field of experimental teaching aid manufacturing, in particular to a remote control dust explosion simulation demonstration device.
Background
The dust explosion means that the combustible dust meets a heat source (open fire or high temperature) within the explosion limit range, the flame instantly spreads in the whole mixed dust space, the chemical reaction speed is very high, a large amount of heat is released at the same time, very high temperature and very high pressure are formed, the energy of the system is converted into mechanical energy and the radiation of light and heat, and the destructive power is very strong.
Dust explosion is often accompanied with production and processing places where aluminum powder, zinc powder, aluminum material processing grinding powder, various plastic powders, intermediates of organic synthetic drugs, wheat flour, sugar, wood chips, dyes, glue wood ash, milk powder, tea powder, tobacco powder, coal dust, plant fiber dust and the like are generated.
The damage of dust explosion is great, and the teaching and training is also painful. In order to make public aware of the harm, especially for industries such as machining, timber, coal and the like with large dust, the popularization of dust explosion knowledge is not slow. And the trained personnel can remember the harm of dust explosion intuitively and impressively, and the demonstration of dust explosion is performed on site.
The dust explosion experimental device is simply manufactured by a metal can and a small plastic bottle at present, and comprises a can body with a cover body arranged at a can opening, wherein a dust container is arranged in the can body, and the dust container is communicated with an inflator through a rubber tube. During the experiment, firstly, the ignited candle is put into the tank body, then the cover body is covered on the tank body, and then the inflator inflates the container to detonate the dust in the container. The dust explosion experimental device has the following defects in the experiment: when an inflator is used for inflating, the flame burning on the candle is easy to extinguish, and dust can be detonated by repeated operation, so that the success rate is low; when an operator uses the inflator to pump air, the inflator is close to the experimental device, and certain danger is caused; and if the experimental device breaks down and needs to be disassembled, analyzed and debugged, dust still flies, the candle is suspected to be extinguished but cannot be completely extinguished or has no sparks, the possibility of explosion still exists, and the personal safety of operators is threatened all the time.
Disclosure of Invention
Aiming at least one of the defects or the improvement requirements of the prior art, the invention provides the remote control dust explosion simulation demonstration device, ignition is not influenced by a gas inflating device, the success rate is high, the remote gas inflating and remote control functions are realized, the safety is high, the disassembly and assembly are easy, the safe and quick fault discharge is facilitated, and the good demonstration effect is realized.
To achieve the above object, according to one aspect of the present invention, there is provided a remote-controlled dust explosion simulation demonstration apparatus, comprising: the device comprises a firing mechanism, dust, a needle-prick fire cap, a remote inflating device, a cavity and a control device for remotely controlling the firing mechanism; the dust and the acupuncture fire cap are positioned in the cavity, and the remote inflating device supplies air to the cavity; the firing mechanism comprises a firing pin and an upper cover, the firing pin is located in the upper cover and used for striking the needle puncturing cap, and the firing mechanism and the cavity are sealed to form an explosion chamber.
Preferably, one side of the upper cover is provided with a vertical through hole, the other side of the upper cover is provided with a first horizontal through hole, and the vertical through hole and the first horizontal through hole are communicated with each other.
Preferably, the upper cover is further provided with a second horizontal through hole which is communicated with the vertical through hole, the second horizontal through hole is positioned above the firing pin to be fired and is communicated with a notch on one side of the cavity, and the vertical through hole, the second horizontal through hole and the notch form an exhaust hole; so set up, in case when breaking down, constantly inflate through the device of inflating, be favorable to discharging the dust from above-mentioned exhaust hole, do not have the safety risk when guaranteeing to get rid of the trouble.
Preferably, the firing mechanism comprises a spring, an electric pull pin, a first compression screw and a second compression screw; the firing pin, the spring and the first pressing screw are placed in the vertical through hole of the upper cover; the electric pulling pin and the second pressing screw are placed in the first horizontal through hole of the upper cover; the control device controls the electric pulling pin to lock the firing pin.
Preferably, the firing mechanism is mounted and then placed on the cavity, and when the firing mechanism is mounted, the first pressing screw, the spring and the firing pin are sequentially placed at corresponding positions of the through hole in the vertical direction of the upper cover; and pushing the firing pin to move to the locking position of the firing pin through the through hole in the vertical direction by using a tool, installing the electrical pulling pin to lock the firing pin at the same time, and then removing the tool. So set up, the security is high, even the firing pin is not locked by the electric pin puller, the firing pin pops out under the spring action, can not appear safe risk yet, can assemble again.
Preferably, the dust collector further comprises a partition plate which is fixedly placed at the bottom of the cavity and inclines upwards, and the dust is placed in an upward opening space defined by the partition plate and the cavity; due to the arrangement, on one hand, dust can fly upwards conveniently, and particularly, a dust space with certain concentration is formed in the space near the acupuncture fire cap temporarily, so that dust explosion is facilitated; on the other hand, when a fault occurs, the dust in the cavity is favorably discharged.
Preferably, a through hole is formed in the position, where the dust is placed, of the cavity and is communicated with a remote inflating device, and the connecting part of the remote inflating device and the cavity is sealed; by the arrangement, the energy for blowing the dust provided by the inflating device is not leaked, and the dust is favorably and quickly distributed in the space formed by the cavity and the firing mechanism.
Preferably, the acupuncture fire cap is arranged at the bottom of the cavity, the acupuncture fire cap is positioned at the bottom of the firing pin, and the central axis of the acupuncture fire cap is superposed with the central axis of the firing pin; so set up, be convenient for improve the energy that strikes needle percussion needle and prick the cap.
Preferably, the dust is any one of plastic powder, wheat flour, sugar, wood dust, dye, glue wood ash, milk powder, tea powder, tobacco powder, coal dust, plant fiber dust or a mixture thereof.
Preferably, the cavity is made of transparent material; so set up, be convenient for the watch personnel to look over whole dust explosion's process, deepen the impression.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
In general, the above technical solutions conceived by the present invention do not separately act but interact cyclically and interact with each other through redesign of multi-aspect structures, and compared with the prior art, the beneficial effects thereof are mainly:
1. the remote inflation and remote percussion control functions are realized, the safety of personnel and devices is high, and the popularization and the application are facilitated;
2. compared with the traditional candle or electric heating ignition, the invention adopts the ignition mode that the firing pin is specially designed to fire the needle to prick the fire cap, the fire source is not influenced by the inflating device, the possibility of being blown out does not exist, the success rate of demonstration once is high, and the instant extinguishing is promoted instantly, so that even if a fault occurs, the fault can not explode again due to the lack of open fire conditions, thereby being beneficial to fault elimination; in the sequence of ignition and inflation, the ignition is finished after the inflation, so that the actual situation of dust explosion is truly simulated and reduced;
3. the device has simple and compact structure, is easy to assemble, can be quickly assembled and quickly ignited after one-time demonstration, has the function of continuous demonstration for many times in a short time, and makes the impression of an analog demonstration object deep;
4. set up the exhaust hole on upper cover and cavity, in case break down, can also remote control, constantly inflate through inflating the device, get rid of the dust from this exhaust hole, carry out the troubleshooting processing, eliminated the explosion condition once more, got rid of and flown upward the visual interference of dust to the troubleshooting, avoided the inspiratory bodily injury of personnel, had good demonstration effect.
Drawings
FIG. 1 is a raw state diagram of an embodiment of the present invention;
FIG. 2 is a state diagram of an embodiment of the present invention in operation;
FIG. 3 is a schematic structural view of a firing mechanism of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to specific embodiments.
As a preferred embodiment of the present invention, as shown in fig. 1, the remote control dust explosion simulation demonstration device comprises: the device comprises a firing mechanism 1, dust 2, a needling fire cap 4, a remote inflating device 5, a cavity 6 and a control device for remotely controlling the firing mechanism; the dust 2 and the acupuncture fire cap 4 are positioned in the cavity 6, and the remote inflating device 5 supplies air to the cavity 6 to enable the dust 2 to fly and fill the whole space; the firing mechanism comprises a firing pin 1-1 and an upper cover 1-4, the firing pin 1-1 is positioned in the upper cover 1-4 and is used for striking a firing cap 4 to ignite and detonate dust, and the firing mechanism 1 and a cavity 6 are sealed to form an explosion chamber. The remote inflation and percussion control system has the functions of remote inflation and remote percussion control, has high personnel and device safety, and is beneficial to popularization and application; compared with the traditional candle or electric heating ignition, the invention adopts the ignition mode that the firing pin is specially designed to fire the needle to prick the fire cap, the fire source is not influenced by the inflating device, the possibility of being blown out does not exist, the success rate of demonstration once is high, and the instant extinguishing is promoted instantly, so that even if a fault occurs, the fault can not explode again due to the lack of open fire conditions, thereby being beneficial to fault elimination; from the ignition and inflation sequence, the ignition is completed after the inflation, and the actual situation of dust explosion is really simulated and reduced.
As shown in fig. 3, the upper cover 1-4 is a stepped structure, and is integrally formed, one side of which has a vertical through hole, and the other side of which has a first horizontal through hole, and the vertical through hole and the first horizontal through hole are mutually communicated. The firing mechanism 1 comprises a spring 1-2, an electric pull pin 1-3 and two pressing screws 1-5. The firing pin 1-1, the spring 1-2 and the pressing screw 1-5 are placed in a through hole in the vertical direction of the upper cover 1-4, the spring 1-2 is placed at the upper end of the firing pin 1-1, the spring 1-2 is in a compression state, the compression amount is 35%, and by the arrangement, kinetic energy is provided for the motion of the firing pin 1-1, and the reliability of firing of the firing pin 1-1 poking firing cap 4 is improved. The electric pulling pin 1-3 and the other pressing screw 1-5 are arranged in the first horizontal through hole of the upper cover 1-4. The firing pin 1-1 is provided with an annular groove, one side of the annular groove of the firing pin 1-1 is provided with an electrical pulling pin 1-3 in a matching mode, the other end of the electrical pulling pin 1-3 is fixed by a pressing screw 1-5, the center of the pressing screw 1-5 is provided with a step-shaped through hole, an outgoing line of the electrical pulling pin 1-3 is led out from the step-shaped through hole of the pressing screw 1-5, the other end of the outgoing line of the electrical pulling pin 1-3 is connected with the control device, and the control device controls the electrical pulling pin 1-3 to lock the firing pin 1-1. The type of the electric pin puller 1-3 is not limited, and the electric pin puller is preferably a gunpowder pin puller; the type of the control means is not limited to the aforementioned electrical connection, but may be a remote wireless remote control.
The upper cover 1-4 is also provided with a second horizontal through hole which is communicated with the vertical through hole, the second horizontal through hole is positioned above the firing pin 1-1 to be fired, and further can be positioned above the annular groove of the firing pin 1-1 and is communicated with a notch at one side of the cavity 6, and the vertical through hole, the second horizontal through hole and the notch form an exhaust hole; as shown in fig. 2, the exhaust hole is in a through state after the firing pin is fired; so set up, in case when breaking down, constantly inflate through long-range device 5 of inflating, be favorable to discharging dust 2 from above-mentioned exhaust hole, eliminated the explosion condition once more, got rid of flying upward the visual interference of dust to troubleshooting, avoided personnel's inspiratory bodily injury, do not have the safety risk when guaranteeing to get rid of the trouble, have good demonstration effect.
As shown in fig. 1-2, the dust collector also comprises a partition plate 3 which is fixedly arranged at the bottom of the cavity 6, is inclined upwards, forms an angle of 20-45 degrees with the horizontal direction, and is preferably 30 degrees, and the dust 2 is arranged in an upward opening space enclosed by the partition plate 3 and the cavity 6; due to the arrangement, on one hand, the dust 2 can fly upwards to the acupuncture fire cap 4 conveniently, and especially, a dust 2 space with certain concentration is formed in a space near the acupuncture fire cap 4 for a short time, so that the dust 2 can explode easily; on the other hand, when a malfunction should occur, it is advantageous to discharge the dust 2 in the chamber 6.
The part of the cavity 6 for placing the dust 2 is provided with a through hole which is communicated with the remote inflating device 5, and the connecting part of the remote inflating device 5 and the cavity 6 is sealed; with the arrangement, the energy for blowing the dust 2 provided by the inflating device 5 is not leaked, and the dust 2 is favorably and quickly distributed in the space formed by the cavity 6 and the firing mechanism 1. The specific implementation mode of the remote inflation device 5 is not limited, and the first mode is that the air supply unit is remotely connected with the cavity 6 through an inflation pipe with a certain safety distance length, so that a demonstrator and an audience experience personally and feel the nervous mood close to the explosion limit visually; the second way is a connectionless remote control mode, for example, the gas supply unit itself is provided in the chamber 6, and the gas release of the gas supply unit is remotely controlled wirelessly, so that the operator is safer.
The acupuncture fire cap 4 is arranged at the bottom of the cavity 6, the acupuncture fire cap 4 is positioned at the bottom of the firing pin 1-1, and the central axis of the acupuncture fire cap 4 is superposed with the central axis of the firing pin 1-1; the distance between the bottom end of the through hole in the vertical direction for placing the firing pin 1-1 on the upper cover 1-4 and the acupuncture fire cap 4 is 5-10mm, preferably 5mm, and the distance between the bottom end of the firing pin 1-1 in the locking state and the end surface of the acupuncture fire cap 4 is 20-30mm, preferably 20 mm. Due to the arrangement, on one hand, the guiding effect is achieved, on the other hand, the potential energy of the firing pin 1-1 is improved, and when the firing pin 1-1 moves, the firing rate of the needle-pricked fire cap 4 is improved by matching with the kinetic energy of the spring arranged on the firing pin 1-1.
The dust 2 is any one or mixture of plastic powder, wheat flour, sugar, sawdust, dye, bakelite ash, milk powder, tea powder, tobacco powder, coal dust and plant fiber dust. The mass of the dust 2 and the volume ratio formed by the firing mechanism 1 and the cavity 6 are within the upper and lower limits of the explosion limit, and are preferably 80g/m3. Due to the arrangement, the dust explosion needs to have certain concentration, and in addition, the materials are convenient to select, so that the reliability of the dust explosion and the applicability and economy of the dust explosion are improved, and the dust explosion dust remover is beneficial to wide popularization and application.
The cavity 6 is made of transparent material; so set up, be convenient for the watch personnel to look over the process of whole dust 2 explosion, deepen the impression.
The firing mechanism 1 is arranged on the cavity 6 after being installed, and when the firing mechanism 1 is installed, the pressing screw 1-5, the spring 1-2 and the firing pin 1-1 are sequentially arranged at corresponding positions of the through hole in the vertical direction of the upper cover 1-4; a tool is used for pushing the firing pin 1-1 to move to the locking position of the firing pin 1-1 through a vertical through hole, meanwhile, an electric pulling pin 1-3 is installed to lock the firing pin 1-1, and then the tool is removed. Due to the arrangement, the safety is high, even if the firing pin 1-1 is not locked by the electric pulling pin 1-3, the firing pin 1-1 is popped up under the action of the spring 1-2, the safety risk cannot occur, and the assembly can be carried out again. The device has simple and compact structure, is easy to assemble, can quickly assemble and quickly ignite after once demonstration, has the function of continuous demonstration for many times in a short time, and makes the impression of a simulation demonstration object deep.
The original state of the invention after the installation is finished is shown in figure 1, when demonstration and verification are needed, firstly, a remote inflating device 5 is used for providing an air source for dust 2, the dust 2 is lifted and distributed in the whole space formed by a cavity 6 and a firing mechanism 1, when the dust 2 is distributed in the whole space, a control device is used for remotely supplying power to a powder pin remover 1-3, the powder pin remover 1-3 is pulled back to remove the constraint on a firing pin 1-1, the firing pin 1-1 moves under the action of the thrust of a spring 1-2 and the gravity, and the firing pin punctures a firing cap 4 to fire and detonate the dust 2. The state diagram of the moment of action of the invention is shown in fig. 2.
Once the invention is in failure, as shown in figure 2, before the failure is eliminated, the remote inflating device 5 continuously blows air into the space formed by the cavity 6 and the firing mechanism 1, so that the dust 2 in the space is exhausted along the exhaust holes formed by the vertical through holes, the horizontal through holes and the notches on the cavity 6 on the upper covers 1-4, and then the decomposed product is subjected to failure analysis. Thus, there is no safety risk when troubleshooting.
Those skilled in the art will readily appreciate that the features of the above described embodiments may be combined with each other as long as they do not conflict with each other. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (1)
1. A remote control dust explosion simulation presentation device which is characterized by comprising: the device comprises a firing mechanism, dust, a needle-prick fire cap, a remote inflating device, a cavity and a control device for remotely controlling the firing mechanism; the dust and the acupuncture fire cap are positioned in the cavity, and the remote inflating device supplies air to the cavity; the firing mechanism comprises a firing pin and an upper cover, the firing pin is positioned in the upper cover and is used for striking the needle to prick the firing cap, and the firing mechanism and the cavity are sealed to form an explosion chamber;
one side of the upper cover is provided with a vertical through hole, the other side of the upper cover is provided with a first horizontal through hole, and the vertical through hole and the first horizontal through hole are communicated with each other;
the upper cover is also provided with a second horizontal through hole which is communicated with the vertical through hole, the second horizontal through hole is positioned above the firing pin to be fired and is communicated with a notch on one side of the cavity, the vertical through hole, the second horizontal through hole and the notch form an exhaust hole, and the exhaust hole is in a communicated state after the firing pin is fired;
the firing mechanism comprises a spring, an electric pull pin, a first pressing screw and a second pressing screw; the firing pin, the spring and the first pressing screw are placed in the vertical through hole of the upper cover; the electric pulling pin and the second pressing screw are placed in the first horizontal through hole of the upper cover; the control device controls the electric pulling pin to lock the firing pin;
the firing mechanism is arranged on the cavity after being installed, and the first pressing screw, the spring and the firing pin are sequentially arranged at corresponding positions of the through hole in the vertical direction of the upper cover when the firing mechanism is installed; pushing the firing pin to move to a locking position of the firing pin through the through hole in the vertical direction by using a tool, installing the electrical pulling pin to lock the firing pin at the same time, and then removing the tool;
the dust collector is characterized by also comprising a partition board which is fixedly arranged at the bottom of the cavity and inclines upwards, and the dust is arranged in an upward opening space enclosed by the partition board and the cavity;
once a fault occurs, before the fault is eliminated, the remote inflating device continuously blows air into a space formed by the cavity and the firing mechanism, so that dust in the space is discharged along an exhaust hole formed by the vertical through hole on the upper cover, the second horizontal through hole and the notch on the cavity, and then products are decomposed for fault analysis.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911311485.5A CN110956887A (en) | 2018-01-31 | 2018-01-31 | Dust explosion simulation equipment |
| CN201810096631.6A CN108230863B (en) | 2018-01-31 | 2018-01-31 | Remote control dust explosion simulation presentation device |
| CN201911330359.4A CN110956888A (en) | 2018-01-31 | 2018-01-31 | Teaching demonstration device for dust explosion |
| CN201911304842.5A CN110956886A (en) | 2018-01-31 | 2018-01-31 | Remote control demonstration equipment for dust explosion |
| CN201911342736.6A CN110956889A (en) | 2018-01-31 | 2018-01-31 | Remote control's dust explosion simulator |
| CN201911350104.4A CN110910746A (en) | 2018-01-31 | 2018-01-31 | Teaching aid for dust explosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810096631.6A CN108230863B (en) | 2018-01-31 | 2018-01-31 | Remote control dust explosion simulation presentation device |
Related Child Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911311485.5A Division CN110956887A (en) | 2018-01-31 | 2018-01-31 | Dust explosion simulation equipment |
| CN201911342736.6A Division CN110956889A (en) | 2018-01-31 | 2018-01-31 | Remote control's dust explosion simulator |
| CN201911330359.4A Division CN110956888A (en) | 2018-01-31 | 2018-01-31 | Teaching demonstration device for dust explosion |
| CN201911304842.5A Division CN110956886A (en) | 2018-01-31 | 2018-01-31 | Remote control demonstration equipment for dust explosion |
| CN201911350104.4A Division CN110910746A (en) | 2018-01-31 | 2018-01-31 | Teaching aid for dust explosion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108230863A CN108230863A (en) | 2018-06-29 |
| CN108230863B true CN108230863B (en) | 2020-02-07 |
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Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911330359.4A Withdrawn CN110956888A (en) | 2018-01-31 | 2018-01-31 | Teaching demonstration device for dust explosion |
| CN201911350104.4A Withdrawn CN110910746A (en) | 2018-01-31 | 2018-01-31 | Teaching aid for dust explosion |
| CN201911304842.5A Withdrawn CN110956886A (en) | 2018-01-31 | 2018-01-31 | Remote control demonstration equipment for dust explosion |
| CN201911342736.6A Withdrawn CN110956889A (en) | 2018-01-31 | 2018-01-31 | Remote control's dust explosion simulator |
| CN201911311485.5A Withdrawn CN110956887A (en) | 2018-01-31 | 2018-01-31 | Dust explosion simulation equipment |
| CN201810096631.6A Active CN108230863B (en) | 2018-01-31 | 2018-01-31 | Remote control dust explosion simulation presentation device |
Family Applications Before (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911330359.4A Withdrawn CN110956888A (en) | 2018-01-31 | 2018-01-31 | Teaching demonstration device for dust explosion |
| CN201911350104.4A Withdrawn CN110910746A (en) | 2018-01-31 | 2018-01-31 | Teaching aid for dust explosion |
| CN201911304842.5A Withdrawn CN110956886A (en) | 2018-01-31 | 2018-01-31 | Remote control demonstration equipment for dust explosion |
| CN201911342736.6A Withdrawn CN110956889A (en) | 2018-01-31 | 2018-01-31 | Remote control's dust explosion simulator |
| CN201911311485.5A Withdrawn CN110956887A (en) | 2018-01-31 | 2018-01-31 | Dust explosion simulation equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109147523B (en) * | 2018-09-26 | 2020-12-11 | 浙江新鸿检测技术有限公司 | Device for simulating dust explosion |
| CN112967587A (en) * | 2021-03-25 | 2021-06-15 | 中国人民警察大学 | Dust explosion and explosion suppression demonstration device and demonstration method thereof |
| CN114241883B (en) * | 2021-12-27 | 2023-10-17 | 中国人民解放军陆军工程大学 | Explosion power teaching presentation device |
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| CN204706266U (en) * | 2015-06-24 | 2015-10-14 | 司昊 | Dust explosion demonstrating experiment device |
| CN205538948U (en) * | 2016-03-04 | 2016-08-31 | 中钢集团武汉安全环保研究院有限公司 | Experimental testing arrangement of dust explosion parameter |
| CN105842283A (en) * | 2016-05-13 | 2016-08-10 | 徐豪辰 | Device for determining combustible gas explosion limit |
| CN206148002U (en) * | 2016-06-24 | 2017-05-03 | 杨兆鑫 | Remote control dust explosion demonstration ware |
| CN106781973A (en) * | 2016-12-27 | 2017-05-31 | 山西医科大学 | A kind of smog/dust generator |
| CN106841300B (en) * | 2017-03-24 | 2020-04-28 | 上海化工研究院有限公司 | Combined industrial dust explosion simulation demonstration system |
| CN106846993A (en) * | 2017-04-18 | 2017-06-13 | 昌邑市创通电子科技有限公司 | A kind of dust explosion apparatus for demonstrating |
| CN107038934B (en) * | 2017-05-18 | 2019-03-22 | 冯金生 | A kind of full-automatic dust explosion demonstrator |
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- 2018-01-31 CN CN201911330359.4A patent/CN110956888A/en not_active Withdrawn
- 2018-01-31 CN CN201911350104.4A patent/CN110910746A/en not_active Withdrawn
- 2018-01-31 CN CN201911304842.5A patent/CN110956886A/en not_active Withdrawn
- 2018-01-31 CN CN201911342736.6A patent/CN110956889A/en not_active Withdrawn
- 2018-01-31 CN CN201911311485.5A patent/CN110956887A/en not_active Withdrawn
- 2018-01-31 CN CN201810096631.6A patent/CN108230863B/en active Active
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| CN2126442U (en) * | 1992-07-13 | 1992-12-30 | 朱凤坤 | Inflammable dust explosion demonstrating device |
| CN2576279Y (en) * | 2002-11-08 | 2003-10-01 | 宋永昌 | Passive startor of spontaneous gas fire-fighting system |
| CN102953748A (en) * | 2012-07-18 | 2013-03-06 | 韩雪峰 | Foam dust-fall explosion prevention device |
| CN203055292U (en) * | 2013-03-02 | 2013-07-10 | 李成琳 | Demonstrator of dust explosion principle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110910746A (en) | 2020-03-24 |
| CN108230863A (en) | 2018-06-29 |
| CN110956887A (en) | 2020-04-03 |
| CN110956886A (en) | 2020-04-03 |
| CN110956889A (en) | 2020-04-03 |
| CN110956888A (en) | 2020-04-03 |
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