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Carbon Steel Absorption Heat Pump To Recover Low Grade Waste Heat At 15~70 ℃

Carbon Steel Absorption Heat Pump To Recover Low Grade Waste Heat At 15~70 ℃

Carbon Steel Absorption Heat Pump To Recover Low Grade Waste Heat At 15~70 ℃

Product Details:

Place of Origin: P. R. China
Brand Name: Qiyao
Model Number: Customized product

Payment & Shipping Terms:

Minimum Order Quantity: 1 pcs.
Price: Customized Product, Quoted Case By Case
Packaging Details: Seaworthy packing
Delivery Time: 3~4 months
Payment Terms: L/C, T/T
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Detailed Product Description
Function: Recover Low Grade Heat To Obtain Abundant Medium Temperature Heat Source Advantages: Low Energy Consumption, High COP, Large Unit Heating Capacity
Material: Carbon Steel Typical Delivery: 6~8 Months After PO
Warranty Period: 12 Months Since Operation Or 18 Since Delivery

Carbon Steel Absorption Heat Pump To Recover Low Grade Waste Heat At 15~70 ℃

 

Absoprtion heat pump (AHP)

 

I General

AHP intends to obtain abundant medium temperature heat source and is applicable in oil, chemical, metallurgy, coal, electricity, architecture and other industries generating waste heat or requiring heat supply. With little high temperature heat source as driving energy, AHP absorbs heat from low grade waste heat and produces a great amount of medium temperature heat source at a temperature between the low grade one and the high temperature one so as to serve as heat source for industrial or domestic heat supply. 

AHP can efficiently recover low grade waste heat generated during the industrial production process, or even that from the surrounding environment, such as air, water, soil and etc., and produce suitable heat source for the users so as to transport energy from low grade heat source to high grade one. However, absorption heat pump itself requires little energy input during the operation and thus has unique advantages in energy conservation and emission control.

 

II Work principle/flow

AHP uses LiBr/H2O as working fluid and is made up of high pressure end, low pressure end and solution heat exchanger, pump and valves in between. The high pressure end consists of a generator and a condenser arranged in a casing. The low pressure end consists of an evaporator and an absorber arranged in a casing. The working principle is shown in the diagram. Driven by the high temperature waste heat, the generator at the high pressure end is heated and generates steam, which condenses into liquid water in the connecting condenser. The liquid water, depressurized at the throttle, flows into the evaporator at the low pressure end and absorbs the low grade waste heat to generate LP steam. The LP steam in the absorber is absorbed by the concentrated solution from the generator, where high temperature absorption heat is generated. The absorption heat then heats the hot water in the heat transfer tube in the absorber and thus produces medium temperature water. The solution heat exchanger is to fulfill the heat exchange when the lithium bromide solution circulates at the HP and LP end.

Carbon Steel Absorption Heat Pump To Recover Low Grade Waste Heat At 15~70 ℃

Driving energy LP steam, fuel oil or gas, high temperature flue gas above 250℃
Low grade waste heat recovered 15~70℃ streams
Function To produce hot water 40℃ higher than the low grade waste heat recovered but no more than 100℃
Coefficient of performance 1.6~1.85
Unit heating capacity 1000~60000kW

 

III Advantages

1) High heating capacity per single unit;

2) Coefficient of performance can be up to 1.6~1.85;

3) Widely applicable for low grade waste heat: It can be process streams, hot water, waste liquid or waste gas as long as it is15~70℃.

 

Contact Details
Shanghai Marine Diesel Engine Research Institute

Contact Person: Mrs. Tan Ling

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