Coating process: Vertical powder spraying process

Core tip: powder coating and coating began in the late 1930s At first, the polyethylene powder was applied to the metal surface in molten state by flame spraying, which was the beginning of powder spraying Until the 1950s, after the invention of sulfurization bed dip coating method of powder in Germany, powder coating and spraying technology have been greatly developed Powder coating started late in China In 1989, Jiangsu Changzhou Huayi aluminum profile factory introduced us nuoxin powder spraying equipment, which is the first vertical powder spraying equipment for aluminum profiles in China However, with the economic reform and opening up, powder coating technology has developed rapidly in China 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: powder coating and coating began in the late 1930s At first, the polyethylene powder was applied to the metal surface in molten state by flame spraying, which was the beginning of powder spraying Until the 1950s, after the invention of sulfurization bed dip coating method of powder in Germany, powder coating and spraying technology have been greatly developed Powder coating started late in China In 1989, Jiangsu Changzhou Huayi aluminum profile factory introduced us nuoxin powder spraying equipment, which is the first vertical powder spraying equipment for aluminum profiles in China However, with the economic reform and opening up, powder coating technology has developed rapidly in China In the early days, horizontal production lines were used, but with the development of economy and technology, Italy and Japan first launched vertical spray production lines and began to be widely used The vertical powder spraying production line has developed into a mature product The uniformity of the previous treatment from soldering, drying to powder spraying coating and the curing effect have reached the advanced level in foreign countries Due to the small floor area of the vertical line and the small number of operators, the uniformity of powder spraying and the curing layer have reached the perfect effect 1、 Vertical powder spraying is a kind of dry surface treatment procedure After electrostatic treatment, very fine pigment particles are sprayed on the product to form a coating, which is solidified in the curing furnace to form a solid coating Due to the following features of powder spraying: 1) beautiful surface, durable, scratch resistant, chemical resistant, UV resistant; 2) environmental protection, no waste discharge; 3) perfect corner coverage; 4) uniform color, wide spraying range; 5) easy thickness control; 2) vertical powder spraying production line process The vertical powder spraying production line is mainly composed of pre-treatment, feeding and unloading transportation system, powder spraying system, powder recovery system, curing and drying part and automatic control part The working process is mainly divided into: pretreatment → putting on the shelf → spraying → curing → unloading → external treatment before packaging, which is mainly to clean the stains on the surface of aluminum profiles and form a layer of chromium film on the surface, so as to do the preliminary work for powder spraying Process flow: basket loading → degreasing → water washing → (alkali corrosion) → water washing → surface adjustment (neutralization) → water washing → chromizing → water washing → hot (pure) water washing → drip drying → drying → spraying and putting on the shelf Among them: the concentration of degreasing, alkali corrosion, surface regulation and chromizing agent is based on the concentration provided by the supplier Ordinary tap water is used for washing tank Use pure water for hot water washing (alkali corrosion can not be used) tank structure: degreasing tank: it is mainly used to clean the surface stains of aluminum profiles, so as to prevent the adsorption of electrostatic powder by oil stains on the surface of aluminum profiles The tank body is made of soft PVC, the main component of the tank liquid is sulfuric acid, and the temperature is normal temperature The tank size depends on the length and output of the maximum profile Water washing tank: clean the chemical residues of the last process tank The tank body is made of soft PVC, the main component of the tank liquid is tap water, and the temperature is normal temperature The tank size depends on the length and output of the maximum profile Surface regulating tank (neutralization): neutralize the acid left in the degreasing tank The tank body is made of soft PVC with a temperature of 10-60 ℃ The tank size depends on the length and output of the maximum profile 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,