Welcome to ZOZEN
ZOZEN is one of the best modern boiler manufacturers in China, our products include steam boilers, hot water boilers and thermal oil heaters. ZOZEN boiler is located in Wuxi, covers 150 thousand square meters of production area, equipped with first-class production equipment, passed the ISO9001:2000 international quality system certification. The company gained the " S " and " U " steel seal from ASME of US.
If you run into any problems with the boiler, please contact us directly by email or fill out the online service request. We will do our best to resolve any problems you might have within 24 hours.
In case of special condition, ZOZEN will forward your request to one of its partnered sales representatives depending on the country and state. The local maintenance personnel will arrive at the customer site as soon as possible.
Boilers and Boiler Safety - Texas Department o
2019-10-9 · Recent News Proposed Administrative Rules. September 19, 2019. The Texas Department of Licensing and Regulation (Department) proposes amendments to the Boilers Program rules (16 Texas Administrative Code, Chapter 65, Subchapter A §65.2, Subchapter C, §65.12, and Subchapter I, §65.64).
Pharma SOPs : Pharmaceutical Guidelin
2019-10-10 · Standard Operating Procedures (SOPs) is a written procedure for any process or system that is followed during the operation of any system or equipment. SOPs for pharmaceuticals related to Quality Assurance, Quality Control, Production, Maintenance, Utility and Human Resource are
Risk-Based Process Safety | AIC
2019-10-10 · An investigation found that the drum near the turbine had not contained oil but antifoam agent. The antifoam agent had been left at this location as part of process trials, which were taking place in another section of the plant. It was also observed that the trial had been approved by the organization's MOC procedure.
Steam cracking – Cracking furnac
2015-11-9 · Steam drum Transfer line valve (TLV) C L O S E P N Process overview Ethylene is a basic building block of the chemical industry, and is the link between chemical companies and petroleum refiners. An ethylene plant is often called an olefin plant, because of the fact that the end products are olefins. The ethylene or olefin plant will yield
Best Practices in Cleaning Internal Surfaces of Hig
The boiler is brought to 20 kg/cm square in about 8 hours time keeping in mind the rate of pressure raise and temperature raise allowed for cold startup. The drum level is maintained at normal level during this operation. After about four hours at pressure, the fire is shut down and the boiler is allowed to cool.
Boiler plant and auxiliaries - ScienceDire
This chapter discusses boiler plant and auxiliaries. The advantages of sectional boilers lie in the relatively small component part involved. As the life of a central-heating boiler is usually less than that of the building that it serves, the question of boiler replacement must be considered at an early stage in the design of a building and its services.
7.0 Chemical Treatment - steamforum.c
2017-8-24 · In the boiler itself, excessive oxygen levels can lead to oxygen pitting and tube failure. Pits are hemispherical, with sharp edges, and often have caps of corrosion products. 7.2.1 Methods for Dissolved Oxygen Removal Two methods are available for removing dissolved oxygen from boiler