Gold ore and mercury amalgamation distillation workplace, is likely to occur where mercury poisoning. According to the general requirements, the limit concentration of mercury in the air in the production plant is <10μg / m 3 , in order to ensure personal health and achieve safe production. To this end, the production plant should be ventilated, and the extracted air can be discharged after being purified. It is necessary to ensure that the equipment seal of the steaming operation is perfect. For the mercury plate gas collection method, firstly, the gas collection efficiency is high, so that the mercury-containing vapor gas does not leak, and when the worker performs the mercury plate operation, the mercury vapor-containing gas does not pass through the worker's breathing zone, and the worker is protected from mercury. harm. There are two ways of collecting gas: (l) for the entry and exit of the mercury plate. The gas collecting method is such that the clean air enters the gas collecting hood from both sides of the upper part, and enters the outer row of the exhaust pipe from the middle of the middle part of the hood to form a gas flow, and a vortex area is arranged in the middle and lower part of the hood, and the mercury-containing vapor is stagnate in the middle and lower parts of the hood. The operator's breathing belt is always in clean air. (2) For the mercury plate, only one side is in and out. The gas collecting method is such that the upper part of the clean air and the side of the collecting hood are discharged from the lower side through the exhaust pipe, and a vortex area is provided, and the operator does not inhale the air containing the mercury vapor. Both of the above gas collection methods require continuous operation of the fan.
FM-D Laser Marking Machine of the high degree of automation, which can realize one-click electric adjust focal length, greatly improving the production efficiency.Independent research and development focus functions, focal length can be set according to the workpiece thickness for automatic calibration, without manual operation.
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