Yunku Industrial Safety

When operating in confined space, due to its complex environment and the existence of many potential hazards, it is crucial to strictly implement safety measures in the process of operation.

Continuous ventilation

1. Selection and arrangement of ventilation equipment: According to the size, shape and structure of the confined space, select the appropriate power and type of ventilation equipment, such as axial fans and centrifugal fans. Place the fans in appropriate locations to ensure that they can effectively send fresh air into the space and exhaust the dirty air inside. For example, in a larger underground warehouse operation, should be based on the warehouse layout, in the import and export or ventilator at the reasonable arrangement of multiple axial fans, the formation of an effective ventilation path.

2. Ventilation method: natural ventilation and mechanical ventilation can be used in combination. Priority is given to the use of natural ventilation to initially improve the air environment in the confined space before the operation, but due to the limited effect of natural ventilation, mechanical ventilation equipment must be continuously turned on during the operation to ensure that the air is constantly updated. For example, for some cellars with vents, open the vents for natural ventilation before operation, and then use fans for mechanical ventilation during operation.

3. Ventilation time and monitoring: Ventilation time should be not less than 30 minutes before operation, and ventilation should be continuous during operation. At the same time, closely monitor the effect of ventilation, by observing the operating status of ventilation equipment, detecting changes in gas composition in the confined space, etc., to ensure the normal operation of the ventilation system, so that the air quality in the space always meets the safety requirements.