The main content of dangerous and harmful factors identification

1. Site

Analyze from the aspects of engineering geology, topography, hydrology, natural disasters, surrounding environment, meteorological conditions, transportation conditions, and fire support.

2.Plane layout

(1) General plan: functional (production, management, auxiliary production, living area) district layout; high temperature, harmful substances, noise, radiation, flammable and explosive dangerous goods facility layout; process flow layout;

Arrangement of buildings and structures; orientation, wind direction, fire separation distance, safety distance, sanitary protection distance, etc.

(2) Transportation lines and docks: factory roads, factory railways, dangerous goods handling areas, and factory docks.

3. Building (structure)

Fire resistance rating, structure, fire protection, explosion protection, safe evacuation, orientation, lighting, transportation passage, etc.

4. Production process

Materials (toxic, corrosive, explosive materials), temperature, pressure, speed, operating and control conditions, accidents and out-of-control conditions, etc.

5. Production equipment and devices

(1) Chemical equipment and devices: high temperature, low temperature, corrosion, high pressure, vibration, critical equipment, control, operation, maintenance and emergency and abnormal situations in the event of malfunctions or errors.

(2) Mechanical equipment: moving parts and workpieces, operating conditions, maintenance operations, misoperations and misoperations.

(3) Electrical equipment: power failure, electric shock, fire, explosion, misoperation and misoperation, static electricity, lightning.

(4) Dangerous equipment and high-altitude operation equipment.

(5) Special monomer equipment and devices: boiler room, acetylene station, oxygen station, petroleum depot, dangerous goods depot, etc.

(6) Dust, poison, noise, vibration, radiation, high temperature, low temperature and other harmful operating parts.

(7) Management facilities, emergency rescue facilities and auxiliary production and sanitation facilities.