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No pipe network design of automatic fire extinguishing device - automatic fire extinguishing equipme by wefwgweg
Gas fire extinguishing system is widely used not suitable for fire-fighting water system of protected areas focused on a strong fire prevention facilities, with the fire quickly, extinguishing equipment, pollution-free benefits of after. Usually by Fire Alarm System, pipeline network and a common form of fire fighting equipment, protective area on one or more of the common protection of a fixed Fire extinguishing system With the rapid development of modern economy, continued expansion of application areas and on the gas fire Technology Application of continuous research in-depth, gradually fixed gas fire extinguishing system, fire fighting equipment to derive a gas, which is a fixed gas fire extinguishing system of another simple form, set the fire alarm, portable fire fighting as one can move, and gas The main difference between the fixed fire extinguishing system is a small pipe or no pipe, no pipe network called Automatic fire extinguishing Device. Currently, according to the different shape and installation is divided into two main types of cabinet and hanging. The following two broad categories of products in the structure and application of engineering experience to do a simple set, I hope to give a reference for designer gas fire.
Cabinet fire extinguishing system for the cabinet name suggests its overall shape, usually installed in the protection area, and supporting the use of fire alarm systems, mainly by Extinguishing agent Bottle group, composed of cabinet and nozzle. Extinguishing agent bottles fixed set in the closet, through a short tube with the nozzle connected to the fire, the fire alarm system output signal to the fire extinguisher bottle group opened fire extinguishing agent release from the spray nozzle to direct fire protection area. Currently, the products on the market mainly by HFC-227ea, CO 2 , 1301 the three major types of structure in the shape according to different manufacturers also vary in design, the main type of protection installed in smaller areas, to avoid the pipe network construction costs and set up a dedicated storage bottles, the savings project investment. Volume according to the size of bottle storage cabinet extinguishing devices have different specifications for user reference, the size of protection zones to meet different needs. Czech Republic is the Fire Equipment Co., Ltd. Guangdong Sheng provided heptafluoropropane bottle storage cabinet fire extinguishing system may be 60L ~ 180L range specifications for the user to choose, and can be designed according to need even more than two-Bottle Set, so as to achieve in the 300m 3 Following the protection zone can be protected by fire extinguishing system cabinet. Product design reference design experience abroad, usually stored extinguishing agent storage container, a fire can start spraying their release. Nozzle is designed with "self-diffusion cover" type, due to general and cabinet installed with the nozzle, while the cabinet's height not exceeding 2 m, height of the lower nozzle of the actual installation, in order to spray fire extinguishing agent release protection zone from the top down even after the cover down, even in a short time full of the protection zone, the structural design of nozzle fire fighting equipment in the cabinet plays a key role. Through theoretical and practical simulation of motion of water spray test, with fire extinguishing agents have their own momentum when ejected to the impact, spread to other parts of emitting principle of extinguishing agent can be achieved by the release of even the effect of extinguishing agent to short period of time can quickly fill the protection zone. Meanwhile nozzle coverage significantly increased compared with the conventional nozzle much like a water curtain from the upper cover, especially for housing as PBX, switchboard and other protected objects, the higher its protection area protection.
Other is hanging automatic fire extinguishing device, usually suspended over hanging in the protection area, it has not occupied the ground area to protect the advantages of the region. The filling of the fire extinguishing agent HFC-227ea and 1301 for the two, due to the particularity of its installed, a single device generally the largest amount of extinguishing agent filled in the 80Kg less, therefore, a single hanging fire extinguishing system in the protection of the space than the cabinet The less, the largest protected space by HFC-227ea fire extinguishing agent 20 , the concentration of 8% of the design, generally not more than 125 m 3 . Different ways according to their start can be divided into fixed temperature type and style of the two kinds of electrical explosion. The main principle of fixed-temperature sensing device is used. Fixed temperature as a glass ball of fire Probe Components, servers should be under the indirect effect through the glass ball to fire extinguishing agent stored in the tank body, when the fire broke out around the temperature sensing element to reach a certain temperature, the glass ball automatically broken, pressurized nitrogen gas through the fire extinguishing agent release to fire. Principles of electrical blast and fire alarm systems as part of supporting the use of electronic control, when the alarm system to detect a fire, it will signal transmission to the fire extinguishing system valve on the container electric detonators, electric detonators immediately after receiving the signal so that the container Valve Open, allowing the release of fire extinguishing agent. Determined by two different start their own different characteristics, due to constant Temperature is used to make glass ball temperature sensing, fire up after the first hot air around the flow to spread along the roof, then gradually down to keep the heat layer thickness, until reduced to a high temperature components installed, only feelings of heat so that temperature sensing action, so take some time, movement time longer, so the type of suspension hanging fire extinguishing device is usually installed in the protected object is above the tank volume is also small, often no one for the workplace, such as communications base stations, storage rooms and other protective zone of protection.
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Article Source: http://www.earticlesonline.com/Article/No-pipe-network-design-of-automatic-fire-extinguishing-device---automatic-fire-extinguishing-equipme/905709
Where in uk can i buy Bud Light? 02/04/08 and anywhere do the aluminium bottles?
Most supermarkets will sell bud light, tesco, asda or morrisons something like that as for the aluminum bottle never heard of them though you migh be able to get cans.
