Zhuoxin

Explosion proof sound and light alarm BBJ-Z/RE11 IP66 Explosion proof sound and light alarm BBJ-Z/RE11 IP66BBJ-Z (R), 220V, 380V, 110V, 36V Sound and light alarm product characteristics ●& nbsp; Cast aluminum alloy shell, surface high-voltage electrostatic spraying; ●   & nbsp; Die casting, compact structure, beautiful appearance; ●   & nbsp; Tempered glass lampshade, stainless steel exposed fasteners, high strength, impact resistance, available in red, yellow, and blue colors to choose from; ●   & nbsp; The protective net is galvanized and the surface is dipped in plastic; ●   & nbsp; When using LED light-emitting tubes, they have the characteristics of long service life and maintenance free, with a power of 6W; ●   & nbsp; Both steel pipes and cables can be wired; ●   & nbsp; According to the requirements of GB3836.1-2000, GB3836.2-2000, and IEC60079 standards, BJ-Z (R), 220V, 380V, 110V, 36V sound and light alarms are applicable. ● BBJ explosion-proof sound and light alarms are suitable for hazardous areas in Zone 1 and Zone 2; The BBJ explosion-proof sound and light alarm is suitable for explosive gas environments in Class IIA and IIB, temperature groups T1~T4; The BBJ explosion-proof sound and light alarm is widely used in hazardous environments such as petroleum, chemical, and other places, with signs or signal alarms around the top of buildings; ●   Indoor and outdoor (IP54, IP65).
Installation method: The sound and light alarm is composed of a detector and an alarm control host, and is widely used in the petrochemical industry where toxic gases exist, such as petroleum, gas, chemical, and oil depots. It is used to detect leaks in indoor and outdoor hazardous areas and is an important instrument to ensure production and personal safety.
. When toxic gases are present in the tested area, the detector converts the gas signal into a voltage signal or a current signal and transmits it to the alarm instrument. The instrument displays the percentage concentration value of the lower explosive limit of the toxic gas. When the concentration of toxic gases exceeds the alarm set value, an audible and visual alarm signal will sound, and the on duty personnel will take safety measures in a timely manner to avoid combustion and explosion accidents. 1. Precautions for application: Once the fixed installation of the sound and light alarm is in place, its position is not easily changed. The following points should be considered when applying it specifically. (1) Identify the possible leakage points of the device to be monitored, analyze their leakage pressure, direction, and other factors, and draw a distribution map of probe positions. According to the severity of the leakage, it is divided into three levels: I, II, and III. (2) Based on specific factors such as airflow direction and wind direction in the location, determine the direction of toxic gas leakage when a large amount of leakage occurs. (3) Based on the density of the leaked gas (greater than or less than air), combined with the trend of air flow, a three-dimensional flow trend chart of the leak is synthesized, and an initial point setting scheme is made at the downstream position of its flow. (4) Study whether the leakage state at the leakage point is micro leakage or jet like. If it is a minor leak, the location of the point should be closer to the leak point. If it is a jet leakage, it should be slightly away from the leakage point. Based on these conditions, a final site plan for zui has been formulated. In this way, the quantity and variety that need to be purchased can be estimated. (5) For places with significant toxic gas leaks, according to relevant regulations, a detection point should be set up every 10-20 meters apart. For unmanned small and discontinuous pump rooms, attention should be paid to the possibility of toxic gas leakage, and a detector should generally be installed at the lower air outlet. (6) For places with hydrogen leaks, detectors should be installed on the plane above the leak point. (7) For media with a gas density greater than air, the detector should be installed on the lower plane below the leakage point, and attention should be paid to the characteristics of the surrounding environment. Special attention should be paid to the setting of safety monitoring points for places prone to the accumulation of toxic gases. (8) For open environments where toxic gases diffuse and escape, if there is a lack of good ventilation conditions, it is also easy to make the toxic gas content in the air of a certain area close to or reach the lower explosive limit concentration. These are safety monitoring points that cannot be ignored. According to the analysis of the on-site accident, more than half of it was caused by incorrect installation and calibration. Therefore, it is necessary to introduce the precautions for correct installation and calibration to reduce malfunctions. 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