• Call : +86 13506151153
  • allen@zozen.com

Standard Blog Layout

How to estimate thermal efficiency of gas fired boilers?
29 Sep 2018
The thermal efficiency of small and medium-sized gas fired boilers can be calculated by the following formula:η=96.646-0.043θ+0.248Dθ is the exhaust gas temp...
What are the causes of water attack in the economizer and condenser of a gas-fired boiler?
23 Nov 2018
1. The air in the economizer and condenser has not drained yet when firing. The safety valves of economizer and condenser need to be turned on to exhaust steam....
What's the difference between WNS series gas-fired (oil-fired) boilers and SZS series gas-fired
12 Feb 2019
1. In terms of boiler body structure, WNS series gas-fired (oil-fired) boilers are fire tube boilers; SZS series gas-fired (oil-fired) boilers are water tube bo...
What are the advantages of installing energy-efficient equipments like economizer and condenser?
12 Feb 2019
1.The exhaust gas temperature of the boiler body is much higher than the saturation temperatures of the boiler (for example, the saturation temperature of a 1...
What is a fire tube boiler?
31 May 2019
Any boiler where the products of combustion flow on the inside of a tube with the heat transfer media (ex. water, steam, or hot oil) on the outside. The tubes c...
What are steam boilers with a low NOx system?
14 Jun 2019
Steam boilers with a low NOx system are specially designed to minimize the environmental impact with the production of dry saturated steam. This type of boiler...
Should I turn my oil boiler off when my oil tank is being filled?
19 Jul 2019
Yes, it is recommended to turn your boiler off whilst the tank is being filled and to leave it off for a short period afterwards of up to 30 minutes. This will...
How to calculate the gas consumption in a boiler?
19 Jul 2019
The boiler gas consumption calculation need the following parameters: gas calorific value and boiler thermal efficiency.Theoretically, the gas consumption of bo...
Why Does My Business Need a Low NOx Boiler?
16 Aug 2019
Today's businesses, regardless of industry, can always do more to improve their sustainability and limit the negative impact their actions have on the environme...
What are NOx emissions standards?
06 Sep 2019
Nitrogen Oxides, commonly referred to as NOx, is a family of poisonous gases. These gases are best known for their role in air pollution, leading to occurrences...
What is a dryback boiler and how does it compare to a wetback boiler?
12 Sep 2019
A dryback boiler has a rear wall that is lined with refractory, a wetback boiler has a rear wall that is jacketed by water. Because of this fact, wetback boiler...
5 common problems with industrial boilers
27 Sep 2019
Here are some common issues that could cause your industrial boiler to misbehave:1. Burner Not Functioning Correctly.If the boiler burner fails or is faulty, the...

About Company

We supply to over 100 countries and regions and have set up offices around the world to ensure prompt delivery of products and services.

Provide opportunities for employees.

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.

Corporate Office

  • No. 76, Xin Da Road, Zhou tie Town, Yixing, Wuxi, China
  • +86 13506151153
  • allen@zozen.com
  • Fax : 0086-510-68991001