Energy Saving Boiler Economizer In Power Plant For Boiler Spare Part , Heat Exchange
Product Details
| Material: | Stainless Steel | Usage: | Power Plant/CFB Boiler |
|---|---|---|---|
| Type: | Natural Circulation / Once Through | Structure: | Hot / Water Tube |
| Dimension: | Customization | Port: | Shanghai |
| Output: | Hot Water/Steam | Condition: | New |
| Highlight |
power plant economizer,economizer for boiler |
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Product Description
Energy Saving Economizer In Power Plant For Boiler Spare Part , Heat Exchange
Application
During boiler operation in typical commercial and industrial applications, approximately 10-20% of the heating value of fuel is expelled with the stack gases to the atmosphere. Stack economizers are designed to recover significant amounts of this stack gas energy loss, thereby vastly improving boiler system efficiency. There are several considerations when selecting an economizer:
1, Gas-side Pressure Drop. Added back-pressure on the boiler stack affects the combustion air fan throughput capability. The economizer and combustion air fan(s) must be sized properly in order to assure a suitable system operation and capacity.
2, Feedwater Temperature. The feedwater to the economizer must be deaerated and the temperature setpoint minimally at 220oF to prevent tube corrosion.
3,Water-side Pressure Drop. Feedwater pumps must be sized to accommodate the economizer pressure drop. Additionally, a continuous modulating feedwater system is required to ensure proper flow rates through the economizer.
Product Description
Economizer is installed on the lower part of the boiler tail flue for recycling the waste heat of smoke, a device heating boiler feed water into steam drum pressure of saturated water heating surface, due to its high temperature flue gas heat, reduces the exhaust temperature of flue gas, save the energy, improve the efficiency, so called the Economizer.
Steel tube economizer is not limited by pressure, can be used as a boiling type, generally by the outer diameter of 32 ~ 51 mm carbon steel tube.Fins and fins are sometimes added to the tube to improve heat transfer.The tubular economizer consists of horizontally arranged parallel elbow pipes (commonly known as serpentine pipes).
Economizer is mainly suitable for industry, but also gradually spread to agriculture and some related industries on the commercial.
Parameter
| Name(unit) | Specification(mm) |
| Bare pipe(OD) | 25-165 |
| Bare pipe(Thickness) | 2-8 |
| Fin (Thickness) | 0.6-3.0 |
| Fin (Height) | 5-30 |
| Fin tube thread pitch | 5-30 |
| Fin tube length | ≤12000 |
*Note:HD BOILER can bespoke special type of economizer according to customer's requirement.
Details
1.Economizers must be sized for the volume of flue gas, its temperature, the maximum pressure drop allowed through the stack, what kind of fuel is used in the boiler, and how much energy needs to be recovered.
2.Economizers designed for natural gas only, would likely plug-up if installed on a coal boiler and would face increased risk of corrosion if installed on an oil-fired boiler.
3.Some units are designed to keep the flue gases above condensation temperature, and others are made of materials that resist the corrosive effect of condensed flue gases.
Workshop
Company Introduction
HD Boiler offers a best in class facility,including:
- Fabrication area of 200,000 square meters
- 150 Engineers
- 600 Coded welders
- 60 Licensed Inspectors (including NDT level-lll instructors)
- Grade-ALicenses for Design and Manufacture boiler (issued by the State Administration of Quality Supervision and Inspection)
- ISO 90001:2008 Quality System
- ASME Certificate of Utility Boiler
- ASME‘S’ , ‘U’ and NB stamp authorization
Product Highlights
Energy Saving Economizer In Power Plant For Boiler Spare Part , Heat Exchange Application During boiler operation in typical commercial and industrial applications, approximately 10-20% of the heating value of fuel is expelled with the stack gases to the atmosphere. Stack economizers are designed to ...
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