YLW series thermal oil heater is square coil horizontal chain grate shop-assembled heater, chain grate and heater proper are transferred separately. The pictures show the chain grate which is autonomously designed and produced by ZOZEN with reliable quality.
Before delivery, ZOZEN gas-fired fire tube boiler shell is covered with the stainless steel film to prevent damage to the boiler shell in the process of transportation and installation. The film will be removed after installation. The mirror stainless steel shell of the boiler has the features of low heat loss and beautiful appearance. The pictures show the blank pressing process of the stainless steel materials, which is the previous process of installing the stainless steel film, this process aims to make the material seam much flatter and firmer where surfaces intersect and meet.
Welding is an important working procedure in boiler production, which is generally divided into automatic welding, semi-automatic welding and manual welding. In the production base of ZOZEN Boiler, a professional boiler manufacturer, front-line welders are ensuring the quality of boiler welds with superb technical level, lofty ideological awareness and strong sense of responsibility.
ZOZEN ZZ series medium-temperature and medium-pressure gas-fired steam boiler adopts "D" type 2 passes. It is double-drum natural circulation water tube boiler. The flue gas turns at the back of the furnace, enters the convection tube bundle of the second pass, then leaves the boiler body, and enters the economizer and condenser in sequence.
The processing of corrugated furnace requires blanking, rolling, welding and flaw detection, and some parts that can not be welded automatically will be completed by reliable welding workers.
The production of an industrial boiler with good quality will go through several links, such as blanking, welding, assembly and inspection. ZOZEN Boiler has a set of comprehensive production system and quality control system to assure product quality in the manufacturing process.
ZOZEN WNS series oil-fired and gas-fired boiler is designed with large-diameter corrugated furnace and threaded smoke tube, which makes the heat transfer of the boiler more efficient. With the condenser and economizer installed, the thermal efficiency of the boiler can reach over 98%, which is well received by the market.
ZOZEN WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas-fired boiler. Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to Sufficient steam storage room and heating area makes boiler to generate high quality steam and high thermal power the stress and expand boilers working life.
