High-pressure boilers are used in a variety of industries, including:
Power generation: High-pressure boilers are used to generate steam that is used to drive turbines that generate electricity.
Manufacturing: High-pressure boilers are used to heat water or steam that is used in a variety of manufacturing processes, such as the production of paper, steel, and chemicals.
Healthcare: High-pressure boilers are used to generate steam that is used to sterilize medical equipment and to heat water for patient care.
Thermodyne Engineering Systems
High Pressure Boiler: Powertherm
High Pressure Boiler: Powertherm
High pressure boilers (Powertherm) are mostly water tube boilers in which water is on the tube side while flue gases flow across the tubes thereby transferring heat from flue gases to water using cross flow heat transfer.
Thermodyne has a vast experience in manufacturing Water Tube Boilers of a wide range of capabilities that suit the customer needs.
Features :
- Skid Mounted
- No External Furnace
- Internal Furnace
- Compact
- Rigid
Description
Advantages
Capacity
Description
High Pressure Boilers Working
Before converting to steam, water circulates multiple times from shell (water drum) to water tubes and then back to shell. During the circulation, the temperature of water increases as it comes in indirect contact with flue gases that transfer heat through tubes.
Water circulation continues until it’s vapor pressure exceeds the vapor pressure of steam at the top of the drum. At this pressure, water gets converted to saturated steam.
Overall, Circulation Ratio is an important factor in designing of water tube boilers. Based on circulation there are 2 basic designs of water tube boilers: Natural Circulation Boilers and Forced Circulation Boilers
Natural Circulation Boilers are the type of boilers where water circulates naturally that is due to the density difference. The difference in density is created with the difference in temperature of cold and hot water. Circulation ratio is an important factor in designing of natural circulation boilers so as to prevent the overheating or bursting of tubes.
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Water Circulation in Forced Circulation Boilers, on the other hand, does not depend upon the difference in densities but is dependent upon the secondary pump which is installed after the feedwater pump (primary pump) that forcefully increases or decreases the circulation ratio depending on the design and safety requirements.
Construction and Operation of High Pressure Boilers
The basic D-Type design of our water tube boilers includes a Furnace enclosed by a set of water tubes which is called a membrane.
The furnace is a part where combustion of fuel takes place. The fuel feeding in such boilers is mostly done automatically either through drum feeders, rotary feeders or screw feeders in case of solid fuels and burners in case of liquid or gaseous fuels.
The furnace is in the high-temperature zone where the radiation heat transfer takes place between the gases and water. From the radiation zone, flue gases enter the convection zone.
It consists of convection tubes which are stacked vertically closer to each other, welded at the top and bottom ends to both the water and steam drums respectively.
Flue gases in convection zone travel at high velocity across the convective tubes.
Baffles are sometimes provided to increase the turbulence. Because of the high velocity of flue gases, convective heat transfer between the flue gases and water increases thereby increasing the overall heat transfer rate.
Water drum is placed at the bottom of the boiler while the steam drum is placed at the top.
Water feeding is done through the high-pressure pump to the steam drum which has a clear demarcation of water and steam space.
Also Read: Combitherm Boiler
The set of tubes which are in contact with a high temperature of flue gases act as riser tubes to carry steam to steam drum while the tubes which are in contact with low-temperature act as a downcomer tubes to carry water to the water drum.
This upward and downward flow of water and steam due to density difference in the tubes helps to maintain the circulation ratio of a boiler.
Depending on the steam pressure and temperature requirement, the superheaters can be installed either between the radiation and convection zone or after the convection zone.
Other accessories like Economiser and Air preheater are also installed in line with the boiler so as to extract the waste heat leaving the boiler and thereby increasing the overall efficiency of a boiler.
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High Pressure Boilers – Powertherm
Manufactured by: Thermodyne Engineering Systems
Model: Powertherm
Product ID: TB0001HPB
Manufactured by: Thermodyne Engineering Systems
Model: Powertherm
Product ID: TB0001HPB
4.9 based on High Pressure Boilers for all industrial steam process applications reviews
Advantages
Advantages of High-Pressure Boiler:
- The heat of combustion is used to lots of efficiently by the use of small diameter tubes in big numbers.
- To avoid big resistance to the flow of water, Powertherm boilers have a parallel set of an arrangement of tubes.
- The Steam boiler parts are usually organized horizontally, giving larger accessibility and operational convenience.
- All the elements are uniformly heated, so the danger of warming is reduced. besides thermal stress drawback is avoided.
- The tendency of scale formation is eliminated thanks to the high speed of water through the boiler tubes.
Capacity
The capacity of High Pressure Boiler:
High Pressure Boilers (Powertherm) are available in capacities from 10 TPH to 25 TPH.
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Fuel Used in High Pressure Boilers:
Powertherm Model High Pressure Boiler FAQ
A high-pressure boiler is a boiler that generates steam at a pressure of more than 15 psi. High-pressure boilers are used in a variety of industries, including power generation, manufacturing, and healthcare.
High-pressure boilers offer a number of advantages over low-pressure boilers, including:
Higher efficiency: High-pressure boilers are more efficient than low-pressure boilers, which means that they use less fuel to generate the same amount of steam.
Smaller size: High-pressure boilers can be smaller than low-pressure boilers, which can save space.
Less weight: High-pressure boilers are lighter than low-pressure boilers, which can make them easier to transport and install.
High-pressure boilers also have a number of disadvantages, including:
More expensive: High-pressure boilers are more expensive than low-pressure boilers.
More complex: High-pressure boilers are more complex than low-pressure boilers, which can make them more difficult to operate and maintain.
More dangerous: High-pressure boilers can be more dangerous than low-pressure boilers, which is why they are subject to more stringent safety regulations.
There are two main types of high-pressure boilers: fire-tube boilers and water-tube boilers. Fire-tube boilers have a firebox that heats tubes that carry water or steam. Water-tube boilers have tubes that carry water or steam that are surrounded by a firebox
The factors to consider when choosing a high-pressure boiler include the size of the boiler, the type of fuel that will be used, the efficiency of the boiler, the cost of the boiler, and the safety features of the boiler.
The safety precautions that should be taken when using high-pressure boilers include:
Boiler should always be operated by trained personnel.
Boiler should be regularly inspected and maintained.
Boiler should be properly ventilated to prevent the buildup of carbon monoxide.
Boiler should be located in a safe area away from flammable materials.
Boiler should have a pressure relief valve that will automatically release steam if the pressure inside the boiler gets too high.
Boiler should have a safety valve that will automatically shut down the boiler if the pressure inside the boiler gets too high.
The environmental impacts of using high-pressure boilers include:
Boiler can emit pollutants into the air, including carbon monoxide, nitrogen oxides, and sulfur dioxide.
Boiler can also consume a significant amount of water.
The future trends for high-pressure boilers include:
The use of more efficient boilers that emit fewer pollutants.
The use of boilers that can operate on renewable fuels, such as biomass and solar energy.
The development of new technologies that can improve the safety and efficiency of boilers.
High-pressure boilers require regular maintenance to ensure that they operate safely and efficiently. The maintenance procedures for high-pressure boilers include:
Inspection: High-pressure boilers should be inspected regularly by a qualified technician to identify any potential problems.
Cleaning: High-pressure boilers should be cleaned regularly to remove any build-up of sediment or debris.
Testing: High-pressure boilers should be tested regularly to ensure that they are operating safely and efficiently.