江西干式变压器:SF6江西干式变压器运行中的安全防护措施
SF6江西干式变压器运行中的安全防护措施
运行中的安全防护措施主要有两个方面:一是在正常运行情况下,严格控制工作场所空气中SF6及其分解产物的浓度;二是在事故情况下,做好呼吸系统及皮肤的防护。具体防护措施如下。
1) GIT安装室和主控间应做气密性隔离,以防泄漏出来的SF6气体扩散进入主控室。
2) GIT安装室应装设通风设备.出风口应设里在接近室内地面处。
3)工作人员进入电缆沟或低凹区城工作时,应特别小心,以防缺氧窒息。在GIT的压力释放装置附近亦不应久留.以防压力释放装置突然动作时,大量的SF6气体喷射造成窒息或中毒。
4)运行中SF6气体含水量测试及回收SF6气体等情况下.需要排如大气的废气应通过小苏打溶液后排至室外。
5)气体采样操作及处理一般渗漏时,要在通风条件下戴防毒面具进行。当GIT发生故降造成大量SF6外逸时,应立即撤离现场,并开启室内通风装置,事故发生后4h内,任何人进如室内必须穿防护服,戴手套、护目眼镜和佩戴氧气呼吸器。
6)下列物品应做有毒废物处理。如吸尘器的过滤纸袋、擦布、防毒困具中的吸附剂, GIT及SF6气体回收装置中使用过的活性氧化铝、分子帅、苏打粉等,严重污染的防护服也应视为有毒联系人:陈经理废物。
处理方法是将废物装如双层塑料袋中,再放如金属捅内密封埋如地下,或用苏打粉与废物混合后再注水,放盆48h后(容器敞开口),可做普通垃级处理.
防毒面具、塑料手套、橡皮靴及其他防护用品必须用肥皂洗涤后晾干备用。
SF6 transformers running in security measures
Operation of the security measures there are two main aspects: First, in normal operation, the strict control of workplace air concentrations of SF6 and its decomposition products; Second, in the case of an accident, good respiratory and skin protection. Specific protective measures are as follows.
1) GIT installation should be done between the main control room and isolation airtight to prevent leakage of SF6 gas off spread out into the main control room.
2) GIT chamber installed ventilation equipment should be installed. Where the outlet should be located at the ground near the room.
3) Staff to enter the city cable channel or low-lying areas of work should be particula邮 箱:1262980066@qq.comrly careful to prevent oxygen suffocation. Pressure relief devices in the vicinity of the GIT should not stay for long. To prevent a sudden pressure release device action, a lot of SF6 gas injection caused by suffocation or poisoning.
4) Run the water content of SF6 gas and recovery of SF6 gas and other test cases. Need to be ranked as the exhaust air back through the baking soda solution to the outdoors.
5) The gas sampling operation and deal with the general leakage, ventilation conditions to be wearing gas masks. When the GIT and therefore reduce the occurrence causing a lot of SF6 to escape, should be immediately evacuated, and open the indoor ventilation, 4h after the accident, any such person into the room must wear protective clothing, gloves, goggles and wear oxygen breathing apparatus .
6) The following items should be made ??of toxic waste. Such as the vacuu电 话:0635-8888299m cleaner filter bags, rags, with anti-virus trapped in the adsorbent, GIT and SF6 gas recovery unit used in the activated alumina, molecular handsome, soda powder, highly contaminated protective clothing should also be considered as toxic waste .
Approach is to install, such as double-layer plastic bag waste, and put seals such as metal barrel buried within such ground, or mixed with baking soda and then with the waste water, put the pots after 48h (open mouth of the container), refuse to do ordinary level deal with.
Gas masks, plastic gloves, rubber boots and other protective equipment must be washed with soap and dry after use.
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