Common knowledge of coating: safety precautions for coating spraying and exterior wall construction

Core tip: when painting and spraying, the construction personnel should pay attention to the safety and some precautions for the use of the paint The following is a brief introduction （1） Before operation, it is necessary to check whether the scaffold and ladder are safe and firm, and whether there are holes or probes in the scaffold board If any unsafe places are found, repair and reinforcement shall be carried out before operation （2） When working at heights (such as pole or chimney painting embedded parts, etc.), it is necessary to install safety belt or safety net, or both （3） After rain, the scaffold, ladder and roof are easy to slide down due to damp, so anti-skid measures shall be taken, or it shall be slightly dry Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Home of coatings: when painting and spraying, the construction personnel should pay attention to the safety and some precautions for the use of coatings The following is a brief introduction （1） Before operation, it is necessary to check whether the scaffold and ladder are safe and firm, and whether there are holes or probes in the scaffold board If any unsafe places are found, repair and reinforcement shall be carried out before operation （2） When working at heights (such as pole or chimney painting embedded parts, etc.), it is necessary to install safety belt or safety net, or both （3） After rain, the scaffold, ladder and roof are easy to slide down due to damp, so anti-skid measures shall be taken, or the operation can be carried out after a little dry （4） The foot of the ladder shall be wrapped with linen or rubber When operating on a smooth ground with A-ladder, it is necessary to check whether the pull rope (or chain) is fastened When climbing up and down the ladder, it is necessary to prevent the broken gear and falling injury The elevation angle shall not be less than 60 ° （5） Before the installation of the wooden and gold frame, the paint shall not be applied on the frame to prevent the operators from sliding their feet （6） When operating in a room with power supply, the power switch shall be closed first, and the gate shall be locked When operating near the mechanical equipment, it must be carried out after the mechanical shutdown （7） All kinds of paint, because of its flammability or toxicity, shall be stored in a special warehouse, not mixed with other materials Volatile oil must be stored in a closed container, and must be kept by a special person （8） The paint and coating warehouse shall be well ventilated, equipped with fire-fighting equipment, and hung with the sign of "no fireworks" for the purpose The warehouse shall keep a certain safety distance from other buildings, and no people are allowed to live in it (nine) use kerosene, gasoline, perfume, ketone and other flammable fuel to mix oil, wear protective equipment, and ban smoking （10） Cotton yarn, rags, etc stained with paint or diluted oil shall be collected and stored in a covered metal box When they cannot be used, they shall be destroyed or cleaned with alkali for reuse （11） When using wire brush, file, pneumatic or electric tools to remove rust and scale, wear protective glasses When applying red lead antirust paint and lead paint, pay attention to prevent poisoning Wear masks during operation Sand blasting shall be used to remove rust The nozzle joint shall be firm, and it is not allowed to block people When the nozzle is blocked, it shall be shut down to eliminate pressure before repair or replacement （12） When applying acid and corrosion-resistant perchloroethylene paint, due to its strong smell and toxicity, a respirator shall be worn when painting, and the air shall be changed outdoors every 1H At the same time, good ventilation shall be kept in the workplace by mistake （13） When using natural (lacquer) due to its toxicity, it is necessary to prevent poisoning during operation Before operation, use soft Vaseline ointment to smear your hands and face, and do you seal the pores of exposed skin Wear masks and gloves during operation If the hands are stained with paint, it can be cleaned with kerosene and soybean oil No scent or perfume should be used to wash the hands Should stop working after poisoning, can have fir or camphor wood decoct warm water wash the affected area or go to the hospital for treatment （14） When painting windows, it is forbidden to stand or ride on the workbench on the windowsill to prevent the windowsill from breaking and falling （15） When painting external windows, the safety belt shall be hung in a secure place, the external decoration frame or cantilever shall be used for the painting of cornice, and the external frame or independent hanger shall be used for the painting of downpipe （16） The movable board ladder, protective fence and safety net shall be set when the iron sheet roof with a gradient of more than 25 ° is brushed （17） When working at night, explosion-proof measures shall be taken for lighting When painting a large area of site, indoor lighting and electrical equipment must be installed according to explosion-proof level （18） Good ventilation must be maintained for spraying in the container Generally, spraying shall be carried out in the open air as far as possible, and there shall be no fire around the operation （19） During spraying, if the spray gun is found to be unevenly painted, it is strictly forbidden to look at the nozzle, and the distance between the air outlet and the paint outlet can be adjusted to solve the problem It is better to use water instead of paint for trial spraying before construction, and formally spray after no problem （20） Wear gas mask when spraying paint and coating harmful to human body If it is harmful to eyes, wear sealed glasses for protection （21） No open fire or smoking is allowed when spraying nitrocellulose paint or other paint diluted with active and flammable solvent （22） In order to avoid electrostatic accumulation, the painting room (shed) or tank body shall be equipped with grounding protection device （23） When spraying indoors or in a container, the air shall be changed outside at an interval of about 2H （24） When spraying in large area, electrical equipment must be installed according to explosion-proof level （25） When spraying operators feel headache, palpitation and nausea during construction, they should stop working immediately, and go away from the work site to the ventilation place for ventilation If they still do not relieve, they should go to the Medical Center for treatment （26） When using the blowtorch, the gasoline shall not be too full, the air shall not be too full, and the blowtorch shall be lit at the shelter, and the nozzle shall not be directly to people and inflammables The use time should not be too long to avoid explosion Stop the engine when it stops （27） When using the ash spraying water machine, it is necessary to frequently check whether the rubber hose has cracks, whether the joints are loose, and whether the safety valve is effective It is forbidden to replace rubber tube with plastic tube When spraying grey water, you must wear protective glasses, masks and gloves, clean the rubber tube after the shift, cut off the power supply after work, and do not turn on or off the switch when there is grey water on your hand to prevent electric shock Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,