噴粉室： 工件通過輸送鏈進入噴粉房的噴槍位置準備噴涂作業,靜電發生器通過噴槍槍口的電極針向工件方向的空間釋放高壓靜電(負極)，該高壓靜電使從．噴槍口噴出的粉末和壓縮空氣的混合物以及電極周圍空氣電離(帶負電荷)。鋼管經過掛具通過輸送鏈接地(接地極)，這樣就在噴槍和工件之間形成一個電場占粉末在電場力和壓縮空氣壓力的雙重推動下到達工件表面，依靠靜電吸引在鋼管表面形成一層均勻的涂層。
Powder spraying chamber: the workpiece enters the spray gun position of the powder spraying chamber through the conveying chain to prepare for spraying. The electrostatic generator releases high-voltage static electricity (negative pole) to the space in the direction of the workpiece through the electrode needle at the gun mouth. The high-voltage static electricity ionizes the mixture of powder and compressed air ejected from the gun mouth and the air around the electrode (with negative charge). The steel pipe is connected to the ground (grounding electrode) by means of transportation through the hanger, so that an electric field occupying powder is formed between the spray gun and the workpiece and reaches the workpiece surface under the double push of electric field force and compressed air pressure, and a uniform coating is formed on the surface of the steel pipe by electrostatic attraction.