安全生产技术强化知识点（Safety production technology and strengthening knowledge）.doc

安全生产技术强化知识点（Safety production technology and strengthening knowledge） 1, such as chemical dangerous goods warehouse, oxyhydrogen station, oil depot should be far from the fire source, located in the edge of the plant area and (minimum frequency wind side of the wind side). 2, after filling the cylinder, first static (24) H, so that the pressure stability, temperature balance. 3, Chinas standard stipulates that, in the electrical facilities or electrical equipment in the normal state, 15-100HZ AC voltage in the drying environment, the limit is (33) V, in humid environment, the limit is (16) V. 4. The maximum allowable concentration of 10%-50% silica in workshop air is (2) MG/M3. 5, in building power line into the line at the PE trunk and ground lines, water mains, gas pipes, heating and air conditioning standpipe is connected, the best can also be metal elements of buildings and other metal pipes are connected, this measure is called (the main equipotential bonding. 6, low voltage overhead lines through residential area, line lead and ground distance should not be less than (6) M. 7, fire emergency lighting emergency conversion time should be no more than (5) S, the high risk areas of fire emergency lighting emergency conversion time is not greater than (0.25) S. 8 explosive gas mixtures are divided into (6) groups according to (ignition temperature). 9, the construction of the use of peripheral closed network, its mesh density should not be less than (2000) mesh /100CM2. 10, time weighted average allowable concentration is defined as the average allowable contact level (8 hours) on the basis of time. 11, shunting operation shall be carried out at a speed not exceeding (30) KM/H. 12, according to the production of harmful dust grading homework provisions, the harm degree of dust is divided into 5 levels, the basis for classification (free silica content in dust, dust concentration exceed the standard ratio and dust exposure time of total lung ventilation. 13. Electro