CN212817775U - Automatic explosion suppression device for calcium carbide furnace production workshop - Google Patents
Automatic explosion suppression device for calcium carbide furnace production workshop Download PDFInfo
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- CN212817775U CN212817775U CN201922380408.7U CN201922380408U CN212817775U CN 212817775 U CN212817775 U CN 212817775U CN 201922380408 U CN201922380408 U CN 201922380408U CN 212817775 U CN212817775 U CN 212817775U
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Abstract
The utility model discloses an automatic explosion suppression device for carbide stove workshop belongs to explosion suppression equipment technical field, and the current carbide stove workshop of aim at solution takes place to flash explosion, causes the problem of equipment and building damage. The device comprises a plurality of bottom flame detectors and a plurality of upper flame detectors, wherein the bottom flame detectors are arranged beside explosion venting ports of a calcium carbide furnace, the upper flame detectors are installed on an isolation wall of a production workshop, pressure detectors are further arranged and fixed below a roof, a plurality of explosion suppressors are further arranged and hoisted on the roof, and a fire extinguishing and explosion suppression controller is further arranged and comprises a power module, a panel indicator lamp, a microprocessor module, a signal acquisition module and a control driving module, and the microprocessor module is electrically connected with a comprehensive control center through an RS485 bus. The utility model is suitable for an automatic explosion suppression device in carbide stove workshop.
Description
Technical Field
The utility model belongs to the technical field of explosion suppression equipment, concretely relates to automatic explosion suppression device for carbide stove workshop.
Background
The existing domestic and foreign calcium carbide furnace production workshops mainly use dry sand, portable carbon dioxide or dry powder fire extinguishers when dealing with fire conditions, and the technical disposal mode is single. Once serious material collapse or water leakage occurs in the furnace, the overpressure is high, overpressure gas cannot escape from a tail gas discharge pipeline in time, a large amount of mixed gas of high-temperature carbon monoxide and hydrogen is overflowed from the overpressure gas discharge pipeline, one part of overflowed gas is burnt when encountering air, the other part of gas is mixed with the air and accumulated to form explosive gas, and when ventilation measures (natural ventilation of a door and forced ventilation of an exhaust fan) cannot discharge the mixed gas in time, once the mixed gas is ignited, flash explosion occurs in an isolation interval of 9.6-16.0 m in a calcium carbide electric workshop within 1-2 seconds, so that equipment and buildings are damaged, and huge potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides an automatic explosion suppression device for carbide stove workshop, solves the problem that equipment and building damage are caused to current carbide stove workshop emergence flash explosion.
The utility model adopts the technical scheme as follows:
an automatic explosion suppression device for a calcium carbide furnace production workshop comprises a plurality of bottom flame detectors and a plurality of upper flame detectors, wherein the bottom flame detectors are arranged beside explosion venting ports of a calcium carbide furnace, the upper flame detectors are installed on an isolation wall of the production workshop, pressure detectors are further arranged, the pressure detectors are fixed below the roof of the production workshop through pipe fittings, a plurality of explosion suppressors are further arranged, the explosion suppressors are hoisted on the roof of the production workshop through quick connecting flanges, a fire extinguishing explosion suppression controller is further arranged, the fire extinguishing explosion suppression controller is installed in a control box, the control box is installed outside the isolation wall, the fire extinguishing explosion suppression controller comprises a power module, the power module is respectively and electrically connected with a panel indicator lamp, a microprocessor module, a signal acquisition module and a control driving module, and the microprocessor module is respectively connected with the signal acquisition module, The control driving module is electrically connected with the signal acquisition module, the bottom layer flame detector, the upper layer flame detector and the pressure detector, the control driving module is electrically connected with the explosion suppressor, and the microprocessor module is electrically connected with the comprehensive control center through an RS485 bus.
Further, the bottom flame detector and the upper flame detector are both provided with air purging assemblies for cleaning the light transmission windows of the flame detectors.
Furthermore, the installation position of the upper flame detector is three meters away from the roof of the production workshop, and the installation position of the pressure detector is three meters away from the roof of the production workshop.
Furthermore, the fire extinguishing agent of the explosion suppressor is superfine dry powder.
Furthermore, the power module is an explosion-proof and intrinsically safe uninterruptible power supply, and the backup power supply of the explosion-proof and intrinsically safe uninterruptible power supply reserve has the endurance time of more than four hours.
Furthermore, the fire extinguishing and explosion suppression controller is also electrically connected with an audible and visual alarm.
Further, the explosion suppressor is electrically connected with a manual button.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model comprises a plurality of bottom flame detectors and a plurality of upper flame detectors, wherein the bottom flame detectors are arranged beside an explosion venting port of a calcium carbide furnace, the upper flame detectors are arranged on an isolation wall of a production workshop, pressure detectors are also arranged, the pressure detectors are fixed below the roof of the production workshop through pipe fittings, a plurality of explosion suppressors are also arranged, the explosion suppressors are hoisted on the roof of the production workshop through quick connecting flanges, a fire extinguishing explosion suppression controller is also arranged, the fire extinguishing explosion suppression controller is arranged in a control box, the control box is arranged outside the isolation wall, the fire extinguishing explosion suppression controller comprises a power module, the power module is respectively and electrically connected with a panel indicator lamp, a microprocessor module, a signal acquisition module and a control driving module, the microprocessor module is respectively and electrically connected with the signal acquisition module and the control driving module, the signal acquisition module is respectively and electrically connected with the bottom layer flame detector, the upper layer flame detector and the pressure detector, the control driving module is electrically connected with the explosion suppressor, and the microprocessor module is electrically connected with the comprehensive control center through an RS485 bus.
Through the arrangement, the flame detector arranged on the furnace top explosion venting opening and the partition wall detects spectral information released when substances are combusted to judge whether flames are generated or not, and the change rate of spatial pressure fluctuation transmitted by the suspended pressure detector is integrated to judge whether flash explosion occurs or not. If a plurality of flame detectors and pressure detectors detect effective signals simultaneously on site, the signals are transmitted to the microprocessor module through the signal acquisition module, the microprocessor module judges the signals, and if the effective signals meet the preset time sequence conditions, the microprocessor module immediately drives and controls the driving module to start the explosion suppressor to suppress explosion. The explosion suppression device defaults to an automatic running state, automatically detects the dangerous conditions of site combustion and flash explosion in real time under the state, and automatically starts the explosion suppression device to suppress the flash explosion with detected information. In the operation process of the explosion suppression device, field personnel can manually start the explosion suppression device by pressing a manual button outside the door. The explosion suppression device can be set to be in a debugging mode running state, and the explosion suppression device has the same functions except that the explosion suppression device cannot be started, so that the installation and debugging are convenient, and the integrity of the system is tested at regular intervals. The explosion suppression device can monitor the fire in the calcium carbide furnace, can effectively suppress the flash explosion of the calcium carbide furnace between vehicles, effectively protects equipment and buildings, and improves the safety control level of enterprises. The explosion suppression device has high technical content, suppresses the diffusion of explosion in a calcium carbide furnace production workshop by the characteristics of active detection, high-speed starting and automatic explosion suppression, effectively makes up for the defects of a passive fire extinguishing mode, has reliable work and sensitive reaction, has strong anti-interference capability and good upgrading performance, is suitable for safe use in the calcium carbide furnace production workshop, and is also suitable for explosion suppression in other similar occasions. The explosion suppression device can also upload the running condition of the device and a fire alarm signal to a comprehensive control center in real time through an RS485 bus, so that a user can conveniently monitor the running condition of equipment in real time and recheck a fire accident.
2. The utility model discloses in, bottom flame detector and upper flame detector all install the air that is used for clean flame detector light trap printing opacity window and sweep the subassembly. Through this setting, can clean flame detector's printing opacity window, ensure flame detector operation stability.
3. The utility model discloses in, power module is flame proof and essence safe uninterrupted power source, the reserve power source duration of flame proof and essence safe uninterrupted power source deposit is greater than four hours. Through this setting, can ensure that whole let out explodes device homoenergetic normal operating under any state.
4. In the utility model, the fire extinguishing explosion suppression controller is electrically connected with an audible and visual alarm. Through the arrangement, when the explosion suppression device is started under emergency conditions such as fire or flash explosion, the audible and visual alarm can be used for prompting and alarming on site.
5. The utility model discloses in, explosion suppressor electricity is connected with manual button. Through this setting, manual button is convenient for manual start-up explosion suppressor.
Drawings
FIG. 1 is a schematic view of the installation distribution of the present invention;
FIG. 2 is a block diagram of the present invention;
the labels in the figure are: 1-a bottom layer flame detector, 2-an upper layer flame detector, 3-an explosion venting port, 4-a separation wall, 5-a pressure detector, 6-an explosion suppressor and 7-a control box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
An automatic explosion suppression device for a calcium carbide furnace production workshop comprises a plurality of bottom flame detectors and a plurality of upper flame detectors, wherein the bottom flame detectors are arranged beside explosion venting ports of a calcium carbide furnace, the upper flame detectors are installed on an isolation wall of the production workshop, pressure detectors are further arranged, the pressure detectors are fixed below the roof of the production workshop through pipe fittings, a plurality of explosion suppressors are further arranged, the explosion suppressors are hoisted on the roof of the production workshop through quick connecting flanges, a fire extinguishing explosion suppression controller is further arranged, the fire extinguishing explosion suppression controller is installed in a control box, the control box is installed outside the isolation wall, the fire extinguishing explosion suppression controller comprises a power module, the power module is respectively and electrically connected with a panel indicator lamp, a microprocessor module, a signal acquisition module and a control driving module, and the microprocessor module is respectively connected with the signal acquisition module, The control driving module is electrically connected with the signal acquisition module, the bottom layer flame detector, the upper layer flame detector and the pressure detector, the control driving module is electrically connected with the explosion suppressor, and the microprocessor module is electrically connected with the comprehensive control center through an RS485 bus.
Further, the bottom flame detector and the upper flame detector are both provided with air purging assemblies for cleaning the light transmission windows of the flame detectors.
Furthermore, the installation position of the upper flame detector is three meters away from the roof of the production workshop, and the installation position of the pressure detector is three meters away from the roof of the production workshop.
Furthermore, the fire extinguishing agent of the explosion suppressor is superfine dry powder.
Furthermore, the power module is an explosion-proof and intrinsically safe uninterruptible power supply, and the backup power supply of the explosion-proof and intrinsically safe uninterruptible power supply reserve has the endurance time of more than four hours.
Furthermore, the fire extinguishing and explosion suppression controller is also electrically connected with an audible and visual alarm.
Further, the explosion suppressor is electrically connected with a manual button.
The utility model discloses in the implementation, install the spectral information that releases when the flame detector on the furnace roof let out and explode mouthful and the division wall detects the material burning and judge whether have flame to synthesize the spatial pressure fluctuation rate of change that the pressure detector who hangs transmitted and judge whether take place to explode with flickering. If a plurality of flame detectors and pressure detectors detect effective signals simultaneously on site, the signals are transmitted to the microprocessor module through the signal acquisition module, the microprocessor module judges the signals, and if the effective signals meet the preset time sequence conditions, the microprocessor module immediately drives and controls the driving module to start the explosion suppressor to suppress explosion. The explosion suppression device defaults to an automatic running state, automatically detects the dangerous conditions of site combustion and flash explosion in real time under the state, and automatically starts the explosion suppression device to suppress the flash explosion with detected information. In the operation process of the explosion suppression device, field personnel can manually start the explosion suppression device by pressing a manual button outside the door. The explosion suppression device can be set to be in a debugging mode running state, and the explosion suppression device has the same functions except that the explosion suppression device cannot be started, so that the installation and debugging are convenient, and the integrity of the system is tested at regular intervals. The explosion suppression device can monitor the fire in the calcium carbide furnace, effectively suppress the flash explosion of the calcium carbide furnace between vehicles and effectively protect equipment and buildings. The explosion suppression device has high technical content, suppresses the diffusion of explosion in a calcium carbide furnace production workshop by the characteristics of active detection, high-speed starting and automatic explosion suppression, effectively makes up for the defects of a passive fire extinguishing mode, has reliable work and sensitive reaction, has strong anti-interference capability and good upgrading performance, is suitable for safe use in the calcium carbide furnace production workshop, and is also suitable for explosion suppression in other similar occasions. The explosion suppression device can also upload the running condition of the device and a fire alarm signal to a comprehensive control center in real time through an RS485 bus, so that a user can conveniently monitor the running condition of equipment in real time and recheck a fire accident. The installation position of the upper flame detector is three meters away from the roof of the production workshop, and the installation position of the pressure detector is three meters away from the roof of the production workshop. The fire extinguishing agent of the explosion suppressor is superfine dry powder. And the bottom layer flame detector and the upper layer flame detector are both provided with air purging components for cleaning the light transmission window of the flame detector. Through this setting, can clean flame detector's printing opacity window, ensure flame detector operation stability. The power module is an explosion-proof and intrinsically safe uninterruptible power supply, and the backup power supply of the explosion-proof and intrinsically safe uninterruptible power supply storage has the endurance time of more than four hours. Through this setting, can ensure that whole let out explodes device homoenergetic normal operating under any state. The fire extinguishing and explosion suppression controller is also electrically connected with an audible and visual alarm. Through the arrangement, when the explosion suppression device is started under emergency conditions such as fire or flash explosion, the audible and visual alarm can be used for prompting and alarming on site. The explosion suppressor is electrically connected with a manual button. Through this setting, manual button is convenient for manual start-up explosion suppressor.
Example 1
An automatic explosion suppression device for a calcium carbide furnace production workshop comprises a plurality of bottom flame detectors and a plurality of upper flame detectors, wherein the bottom flame detectors are arranged beside explosion venting ports of a calcium carbide furnace, the upper flame detectors are installed on an isolation wall of the production workshop, pressure detectors are further arranged, the pressure detectors are fixed below the roof of the production workshop through pipe fittings, a plurality of explosion suppressors are further arranged, the explosion suppressors are hoisted on the roof of the production workshop through quick connecting flanges, a fire extinguishing explosion suppression controller is further arranged, the fire extinguishing explosion suppression controller is installed in a control box, the control box is installed outside the isolation wall, the fire extinguishing explosion suppression controller comprises a power module, the power module is respectively and electrically connected with a panel indicator lamp, a microprocessor module, a signal acquisition module and a control driving module, and the microprocessor module is respectively connected with the signal acquisition module, The control driving module is electrically connected with the signal acquisition module, the bottom layer flame detector, the upper layer flame detector and the pressure detector, the control driving module is electrically connected with the explosion suppressor, and the microprocessor module is electrically connected with the comprehensive control center through an RS485 bus.
Through the arrangement, the flame detector arranged on the furnace top explosion venting opening and the partition wall detects spectral information released when substances are combusted to judge whether flames are generated or not, and the change rate of spatial pressure fluctuation transmitted by the suspended pressure detector is integrated to judge whether flash explosion occurs or not. If a plurality of flame detectors and pressure detectors detect effective signals simultaneously on site, the signals are transmitted to the microprocessor module through the signal acquisition module, the microprocessor module judges the signals, and if the effective signals meet the preset time sequence conditions, the microprocessor module immediately drives and controls the driving module to start the explosion suppressor to suppress explosion. The explosion suppression device defaults to an automatic running state, automatically detects the dangerous conditions of site combustion and flash explosion in real time under the state, and automatically starts the explosion suppression device to suppress the flash explosion with detected information. In the operation process of the explosion suppression device, field personnel can manually start the explosion suppression device by pressing a manual button outside the door. The explosion suppression device can be set to be in a debugging mode running state, and the explosion suppression device has the same functions except that the explosion suppression device cannot be started, so that the installation and debugging are convenient, and the integrity of the system is tested at regular intervals. The explosion suppression device can monitor the fire in the calcium carbide furnace, effectively suppress the flash explosion of the calcium carbide furnace between vehicles and effectively protect equipment and buildings. The explosion suppression device has high technical content, suppresses the diffusion of explosion in a calcium carbide furnace production workshop by the characteristics of active detection, high-speed starting and automatic explosion suppression, effectively makes up for the defects of a passive fire extinguishing mode, has reliable work and sensitive reaction, has strong anti-interference capability and good upgrading performance, is suitable for safe use in the calcium carbide furnace production workshop, and is also suitable for explosion suppression in other similar occasions. The explosion suppression device can also upload the running condition of the device and a fire alarm signal to a comprehensive control center in real time through an RS485 bus, so that a user can conveniently monitor the running condition of equipment in real time and recheck a fire accident.
Example 2
On the basis of embodiment 1, the bottom layer flame detector and the upper layer flame detector are both provided with air purging assemblies for cleaning light transmission windows of the flame detectors. Through this setting, can clean flame detector's printing opacity window, ensure flame detector operation stability.
Example 3
On the basis of the embodiment, the installation position of the upper flame detector is three meters away from the roof of the production workshop, and the installation position of the pressure detector is three meters away from the roof of the production workshop.
Example 4
On the basis of the above embodiment, the fire extinguishing agent of the explosion suppressor is ultrafine dry powder.
Example 5
On the basis of the embodiment, the power module is an explosion-proof and intrinsically safe uninterruptible power supply, and the backup power supply of the explosion-proof and intrinsically safe uninterruptible power supply storage has the endurance time longer than four hours. Through this setting, can ensure that whole let out explodes device homoenergetic normal operating under any state.
Example 6
On the basis of the embodiment, the fire extinguishing and explosion suppression controller is also electrically connected with an audible and visual alarm. Through the arrangement, when the explosion suppression device is started under emergency conditions such as fire or flash explosion, the audible and visual alarm can be used for prompting and alarming on site.
Example 7
On the basis of the above embodiment, the explosion suppressor is electrically connected with a manual button. Through this setting, manual button is convenient for manual start-up explosion suppressor.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an automatic explosion suppression device for carbide stove workshop, its characterized in that includes a plurality of bottom flame detector (1) and a plurality of upper flame detector (2), bottom flame detector (1) sets up by letting out of carbide stove explodes mouthful (3), and upper flame detector (2) are installed on division wall (4) in the workshop, still are provided with pressure detector (5), pressure detector (5) are fixed in the roof below of workshop through the pipe fitting, still are provided with a plurality of explosion suppression ware (6), explosion suppression ware (6) are hung on the roof of workshop through quick flange, still are provided with the explosion suppression controller of putting out a fire, put out a fire and suppress explosion controller and install in control box (7), control box (7) are installed outside division wall (4), the explosion suppression controller of putting out a fire includes power module, and power module is connected with panel pilot lamp respectively electricity, The device comprises a microprocessor module, a signal acquisition module and a control driving module, wherein the microprocessor module is respectively and electrically connected with the signal acquisition module and the control driving module, the signal acquisition module is respectively and electrically connected with a bottom layer flame detector (1), an upper layer flame detector (2) and a pressure detector (5), the control driving module is electrically connected with an explosion suppressor (6), and the microprocessor module is electrically connected with a comprehensive control center through an RS485 bus.
2. The automatic explosion suppression device for the calcium carbide furnace production workshop according to claim 1, wherein the bottom layer flame detector (1) and the upper layer flame detector (2) are both provided with an air purging assembly for cleaning a light transmission window of the flame detectors.
3. The automatic explosion suppression device for the calcium carbide furnace production workshop as recited in claim 1, wherein the installation position of the upper flame detector (2) is three meters away from the roof of the production workshop, and the installation position of the pressure detector (5) is three meters away from the roof of the production workshop.
4. The automatic explosion suppression device for the calcium carbide furnace production workshop as recited in claim 1, wherein the fire extinguishing agent of the explosion suppressor (6) is ultrafine dry powder.
5. The automatic explosion suppression device for the calcium carbide furnace production workshop according to claim 1, wherein the power module is an explosion suppression and intrinsic safety uninterruptible power supply, and the backup power supply of the explosion suppression and intrinsic safety uninterruptible power supply has a endurance time longer than four hours.
6. The automatic explosion suppression device for the calcium carbide furnace production workshop as recited in claim 1, wherein the fire extinguishing explosion suppression controller is further electrically connected with an audible and visual alarm.
7. The automatic explosion suppression device for the calcium carbide furnace production workshop as recited in claim 1, characterized in that the explosion suppressor (6) is electrically connected with a manual button.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114397061A (en) * | 2021-12-15 | 2022-04-26 | 中国矿业大学 | Online maintenance and self-inspection system and self-inspection method for explosion suppression device |
CN114397061B (en) * | 2021-12-15 | 2024-04-26 | 中国矿业大学 | Online maintenance and self-checking system and method for explosion suppression device |
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2019
- 2019-12-26 CN CN201922380408.7U patent/CN212817775U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114397061A (en) * | 2021-12-15 | 2022-04-26 | 中国矿业大学 | Online maintenance and self-inspection system and self-inspection method for explosion suppression device |
CN114397061B (en) * | 2021-12-15 | 2024-04-26 | 中国矿业大学 | Online maintenance and self-checking system and method for explosion suppression device |
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