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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.

Customer service

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.


Safety, Environment, Quality and Energy Conservati

2015-4-28 · pipelines. A pipeline safety supervision platform was developed to enable the uploading and tracking of pipeline information, hazard data, corrective measures and follow-up actions. In addition, case study video workshops were held to analyze and learn from accidents and prevent any repetition. Environmental Protection

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Welding and cutting safety - boilersinfo.c

Many hazards are associated with welding and cutting safety, but as in any other operations they can be controlled by appropriate preventive measures. Unless these measures are taken, the hazardous situations can easily give rise to personnel injury and/or material damage. Welding and cutting hazard examples are:- Electric shock Fumes and gases Welding sparks

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Accidents in Pressure Vessels: Hazard Awarene

2010-5-23 · statistics include power boilers, steam heating boilers, water heating boilers, and unfired pressure vessels. However, the increased number of accidents was not reflected through to the number of fatalities, as these actually dropped by 33% over this period. By broadening this search, it can be seen that the reporting

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Corrosion Control in Industry | IntechOp

Corrosion Control in Industry. By B. Valdez, M. Schorr, R. Zlatev, M. Carrillo, M. Stoytcheva, L. Alvarez, A. Eliezer and N. Rosas as is still done to date, to avoid or eliminate the problems of fouling on the metal walls. On the other hand, to prevent microbiological growth, we added biocides such as chlorine and quaternary ammonium

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What is Caustic Corrosion? - Definition fro

Caustic corrosion is a type of corrosion that occurs in metal equipment (e.g., boilers) in certain environmental operating conditions that have a high pH water level, resulting in an operating medium that is highly alkalized (i.e., a high concentration of sodium hydroxide (NaOH), also known as caustic soda).

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Arkansas Boiler Operator Study Guide Flashcards

Start studying Arkansas Boiler Operator Study Guide. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Measures and records the amount of coal fed to stoker-fired or pulverized coal fired boilers. Bolts used in boilers to reinforce flat surfaces to prevent bulging.

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Utilities Are Threatening to Deny Service If Pro-Ga

2019-8-5 · A March report by 350.org, a renewable energy organization, found that, while National Grid claims that the pipeline is necessary to carry out the locally mandated elimination of certain types of fuel oil from residential boilers, very few boilers continue to use these types of oil. Overall, demand for gas is going down, the report found, not up.

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Safety and Health Topics | Welding, Cutting, an

2019-10-11 · Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. If a worker has been retaliated against for using their rights, they must file a complaint with OSHA as soon as possible, but no later than 30 days.

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Backflow prevention device - Wikiped

2019-9-26 · A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. In water supply systems, water is normally maintained at a significant pressure to enable water to flow from the tap, shower, or other fixture. Water pressure may fail or be reduced when a water main bursts, pipes freeze, or

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Prevent Power Plant Accidents by Strengthening You

2019-10-9 · Improving a safety culture to help prevent safety incidents starts with actions like these: Increase employee awareness about safety measures and accident causes. No one working in a power plant should take safety lightly. Hold monthly safety meetings that focus on a topic such as ladder safety, fire prevention or PPE.

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Canada Occupational Health and Safety Regulatio

Federal laws of canada. 5.4 (1) Every boiler and pressure vessel shall have at least one safety valve or other equivalent fitting to maintain pressure at or below the maximum allowable working pressure of the boiler or pressure vessel. (2) When two or more boilers or pressure vessels are connected and are used at a common operating pressure, they shall each be fitted with at least one safety

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