GB 17750-1999 Safety regulations for coating operations Safety of dip coating process

This standard specifies the safety and sanitation requirements for the dip coating process in coating operations. This standard applies to the dip coating process and equipment design, manufacture, installation, acceptance and use of flammable or combustible coatings. It can also be used as a reference for ventilation and roller coating, flow coating, curtain coating and other processes of water-based coating dip coating. GB 17750-1999 Safety regulations for coating operations Safety of dip coating process GB17750-1999 standard download decompression password: www.bzxz.net

GB17750-1999
This standard is a general standard in the standard system of "Painting Operation Safety Regulations". This standard is coordinated with GB6514-1995 "Painting Operation Safety Regulations - Paint Process Safety and Ventilation Purification", GB7691--1987 "Painting Operation Safety Regulations - Labor Safety and Labor Health Management" and other standards in its system. This standard is formulated based on the actual situation of the currently widely used processes, materials, equipment and management. The fire safety part refers to the 1995 edition of NFPA34 "Standard for Unpainting of Flammable or Combustible Liquids" of the American Fire Protection Association. Newly built or rebuilt unpainted work areas should strictly implement this standard; the existing flood painting work areas before the date of entry into force of this standard should be gradually transformed according to the technical requirements of this standard. Appendix A of this standard is the appendix of the standard. This standard is proposed by the Work Safety Bureau of the State Economic and Trade Commission of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Safety Standardization of Painting Operations. The responsible drafting unit of this standard: Dongfeng Motor Corporation Technology Research Institute. The drafting units of this standard are: Jiangsu Provincial Institute of Labor Protection Science and Technology, Changzhou Coating Chemical Research Institute of the Ministry of Chemical Industry. The main drafters of this standard are: Yang Binuan, Zhi Gang, Hu Xinyi, Jin Xuefang, Liu Jiyuan, Sun Xinyan, Hu Yiming. 446
1 Scope
National Standard of the People's Republic of China
Safety code for painting-Safety for dipping process
Safety code for painting-Safety for dipping process This standard specifies the safety and sanitation requirements for dipping process in painting operations. GB17750—1999
This standard applies to the design, manufacture, installation, acceptance and use of dipping process and equipment using flammable or combustible paints. Ventilation and roller coating, flow coating, curtain coating and other processes of water-based paint dipping can also be used as a reference. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard was published, the versions shown were all valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB6514—1995 Safety regulations for painting operations Paint process safety and ventilation purification GB76911987 Safety regulations for painting operations Labor safety and labor hygiene management GB/T14441-1993 Terminology of safety regulations for painting operations GB162971996 Comprehensive emission standard of air pollutants GB50058—1992 Design specification for power installations in explosive and fire hazardous environments GBJ16—1987 Code for fire protection design of buildings
3 Definitions
This standard adopts the following definitions.
3.1 Dippingwww.bzxz.net
A painting method in which the workpiece is immersed in the paint, taken out, and the excess paint is removed. 3.2 Dipping tank
A steel tank or other container containing paint that can be used to dip the workpiece and has a safety protection function. 3.3 Painting area
See GB/T 14441.
3.4 ​​Dipping area
The painting area where the non-painting operation is carried out.
3.5 Dipping vapor source The paint liquid leaking from the dipping and dripping stations, and the place where the concentration of organic solvent vapor in the paint liquid can still be measured within 0.3 m of the dipped workpiece and exceeds 25% of its lower explosion limit.
4 Dipping area and its work place
4.1 Dipping area scope
The area where the concentration of dipping vapor source and organic solvent vapor exceeds 25% of its lower explosion limit. 4.2 Dipping workplace
Approved by the State Administration of Quality and Technical Supervision on May 14, 1999, and implemented on December 1, 1999
GB17750-1999
4.2.1 The fire hazard classification of the dipping workplace shall be implemented in accordance with Table 1 of GB6514-1995. The dipping workplace shall be separated from other workplaces, materials, etc. by fire separation, fire walls, fire partitions or other methods approved by safety, and shall comply with the relevant provisions of GBJ16. The dipping workplace shall not be located in a low-lying area lower than the surrounding area. 4.2.3
The passages and entrances and exits of the dipping workplace shall be unobstructed and shall comply with the relevant provisions of GBJ16. 4.2.4
The dipping workplace shall not be located in places with concentrated populations such as gatherings, education, and residences. 4.2.5
The hygiene and noise of the dipping workplace shall comply with the relevant provisions of 5.2 and 5.3 of GB6514--1995. Table 1 Diameter of discharge pipe
Volume of dipping tank V
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.