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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.


Proper sizing of Boiler Feedwater System - P

Proper sizing of Boiler Feedwater Systems - How to properly size your boiler feedwater system - One boiler horsepower = 34.5 lbs/hr of steam (or water) from and at 212o F. We also know that one-gallon of water weighs 8.37 lbs. For this example we will say that our relief valve is set at 150 psig and there is a 5 lb. pressure drop. The

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Boiler Capacity - Engineering ToolB

2019-10-4 · Boiler load - the capacity of a steam boiler - is often rated as boiler horse powers, lbs of steam delivered per hour, or BTU. Lbs Steam delivered per Hour. Large boiler capacities are often given in lbs of steam evaporated per hour under specified steam conditions. BTU - British Thermal Units

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Boiler Efficiency: Introduction and Methods o

It is a well known fact that the initial cost of boiler is a small part of total costs associated with the boiler over its lifetime. In the operational life of a boiler, major costs arise out of the fuel costs. namely direct method and indirect method of efficiency calculation. H= Enthalpy of steam (Kcal/kg) h= Enthalpy of water

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Steam Calculators: Boiler Calculat

Steam, Boiler, and Blowdown Pressure are the same. Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used. Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure.

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Steam Basics Part 6: Steam Pipe Sizi

The answer is a pipe size and a pressure drop per 100 feet of pipe. Let's look at this required data. The capacity is simply the maximum flow rate in pounds per hour or PPH. Steam Pressure and Pipe Sizing. The steam pressure is the expected MINIMUM steam pressure.

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Steam Calculators: Deaerator Calculat

Inlet Steam Mass Flow = Additional Energy Flow Needed / ( Inlet Steam Specific Enthalpy - Inlet Water Specific Enthalpy) Inlet Water Mass Flow = Total DA Mass Flow - Inlet Water Mass Flow; Assumptions. The Deaerator (DA) Vent Rate is a percent of feedwater flow. The feedwater leaves the DA as a saturated liquid at DA pressure.

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How to Set Hot Water or Steam Heating Syste

How to Set Hot Water or Steam Heating System Pressure & Temperature. Heating System Pressure and Temperature Controls What are normal hot water heat pressure & temperature settings ? What are normal residential steam heat pressure & temperatures ? Where & how do I set the boiler pressure & temperature controls? Where & how do I set a steam boiler pressure & temperature?

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Selection and Sizing of Pressure Relief Valves

2012-6-20 · Selection and Sizing of Pressure Relief Valves. SELECTION AND SIZING OF PRESSURE RELIEF VALVES Randall W. Whitesides, P.E. irrespective of size or pressure, shall be provided with pressure relief devices in such as the National Board of Boiler and Pressure Vessel Inspectors. Adoption of the ASME Code by the States

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How to calculate the steam produced (kg) in a boiler

Typically boilers of much size would have a steam meter that calculates flow. This is typically a sensor measuring the pressure drop across and orifice. If you don't have that, then you have two options. Option one is mainly for firetube style boi

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Steam and high temperature hot water boilers - Carbo

Steam and high temperature hot water boilers 4 energy consumption Steam and high temperature hot water (HTHW) boilers are commonly used in industrial sectors and in some applications in public and commercial organisations. They are found in circumstances where there is a continual demand for steam or hot water, in a wide

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15 Basic Steps in Boiler Design - Meee Service

2019-10-7 · Here are the basic steps in how to design a boiler: Calculation of boiler Heat Duty. Using desired steam parameters, calculate the enthalpy of steam to be generated; Multiplying enthalpy with the rated steam generation, obtain the total heat value of steam at rated steaming (boiler heat duty) Boiler heat duty is expressed as MKCal/hr or MW or HP

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