are coal boilers safe, ZOZEN sets the process standards of blanking digitalization, welding automation and assembly molding

In the comprehensive office building of ZOZEN Boiler, Design Department, Technology Department, Production Department, Quality Inspection Department and Marketing Department coordinate with each other to promote the projects in a smooth and quick way. In the modern multifunctional meeting room, there is a lot of domestic and international certification acquired by ZOZEN including the A-grade boiler and BRⅡ-grade pressure container manufacturing licence, ASME “S” (utility boiler), “U” (pressure container) steel seal licence of USA and ISO9001 international quality system certification.

are coal boilers safe, Passing the certificate renewal examination of Special Equipment Production Licence of the People’s Republic of China provides the qualification guarantee for ZOZEN’s participation in the whole product life circle of industrial boiler’s installation, maintenance and construction.

The SZL series biomass-fired chain grate boiler is safe and efficient with a capacity of 4-35 tph (hot water boiler: 2.8-29MW) and a thermal efficiency of over 88%. By extending the furnace arch, increasing the furnace height and adjusting the width and length of grate, ZOZEN takes the lead in solving the problems that easily occur in biomass-fired boilers such as furnace arch collapse, furnace door burnout, hopper tempering and tube wall coking. It has the characteristics of wide fuel adaptability, small covering area, convenient installation and high thermal efficiency.

In the rubber industry, steam boilers are widely used in the processes of rubber calendering, vulcanizing and drying. PT.Industri Karet Deli is a large rubber enterprise in Indonesia, it planned to upgrade production equipment to improve their core competence. The company contacted ZOZEN and signed the purchase contract of SZL 20 tph SZL series coal-fired boiler. This series of water tube boilers adopts unique grate bars and appropriate air registers to ensure the stable running of boilers and improve the thermal efficiency.

The front and rear smoke chamber doors of ZOZEN WNS series gas-fired (oil-fired) boilers are designed to be sleeve hinges and open like window so that it is easy to maintain, detect and clean. The special design also can get better sealing effect. Advantages: implement one-man operations, are coal boilers safe.

ZOZEN has a number of leading automatic welding, rolling, assembly production lines and hydraulic test workshops in the industry, which fully ensure the quality of the butt joints of the pipes, as well as the inner ring, middle ring and outer ring disks during the production of the heat-conducting oil boiler body. Assembly accuracy between tubes.

Based on low-nitrogen and energy-saving technology, ZOZEN is committed to developing widely used and advanced technology, products and services. In this way, ZOZEN provides heat source support for various industries around the world to promote future cutting-edge business and realize the application dreams of users in various fields. The low-nitrogen boilers designed by ZOZEN can control the emission of NOx to lower than 30mg, which are widely used in various industries and are attractive for the national and international market.