Hope Deepblue Air Conditioning Manufacture Corp., Ltd.
Hot Water Absorption Heat Pump

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Hot Water Absorption Heat Pump

General Description:

Lithium bromide absorption heat pump is a thermal power unit that recovers and transfers low temperature waste heat to high temperature heat source for process heating or zone heating. It can be divided into class I and Class II according to circulation mode and operation condition.

The LiBr absorption heat pump is a heating unit powered by heat energy from steam, DHW, natural gas, etc. The aqueous LiBr solution (lithium bromide) serves as a recirculating working medium, with LiBr working as an absorbent and water working as a refrigerant.

The heat pump mainly consists of the generator, condenser, evaporator, absorber, heat exchanger, automatic air purge pump system, vacuum pump and canned pump. Attached below is the latest brochure of this product and our company profile.

 


Product Detail

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WORKING PRINCIPLE AND FLOW DIAGRAM

Working Principle

The refrigerant water in the evaporator evaporates from the surface of the heat exchanger tube. As heat is removed from the tube in the CHW, the temperature of the water is reduced and waste heat is recycled. The refrigerant vapour produced in the evaporator is absorbed by the concentrated solution in the absorber and the absorbed heat heats the hot water to a higher temperature. This is how the heating effect is achieved. The LiBr solution in the absorber then becomes a diluted solution, which is pumped to the heat exchanger by a solution pump. In the heat exchanger, the diluted solution is heated to a higher temperature and then transferred to the generator. At this point, the diluted LiBr solution in the generator is heated by the heat source and produces refrigerant vapour, which directly reheats the hot water in the condenser to a higher temperature. The diluted solution in the generator is concentrated into a concentrated solution which releases heat and cools in the heat exchanger. The concentrated solution is then sent to the absorber, where it absorbs refrigerant vapour from the evaporator and turns into a diluted solution. The next cycle by hot water absorption heat pump begins. Absorption heat pump manufacturer-Hope Deepblue.

Process Flow Diagram

hot water absorption chiller

In order to take full advantage of the residual heat of the DHW, the evaporator and the absorber are designed as upper and lower parts, so as to reduce the concentration of the dilute solution at the outlet of the absorber and increase the concentration difference generator inlet and outlet, finally improve the performance of the unit. Absorption heat pump manufacturer-Hope Deepblue.
Introducing our state-of-the-art Lithium Bromide heat pumps - the perfect solution for your heating needs.

ADVANTAGE

Our hot water absorption heat pump systems are the best on the market, equipped with advanced technology to ensure optimum performance, reliability and energy efficiency. A lithium bromide heat pump consists of ten main components, each with unique features that help improve system efficiency. Absorption heat pump manufacturer-Hope Deepblue.
These components include generators, condensers, evaporators, absorbers, heat exchangers, automatic air purge systems, solution pumps, refrigerant pumps, vacuum pumps and electrical cabinets.
A generator serving as a power source heats a dilute lithium bromide solution as the heat source enters the generator, causing water to evaporate as refrigerant vapor. The steam enters the condenser to heat the domestic hot water to achieve the ideal heating effect. The condenser is connected with the generator, and the generator is the container with the highest pressure in the heat pump system, which has the characteristics of slight negative pressure. Absorption heat pump manufacturer-Hope Deepblue.
The evaporator acts as a waste heat recovery unit, the refrigerant water evaporates from the surface of the heat transfer tube, cools the CHW, the cooling waste heat is recovered, and the steam enters the absorber from the surface of the heat transfer tube.
The absorber is the lowest pressure vessel in the system which absorbs the refrigerant vapor and generates valuable heat to heat the DHW. Absorption heat pump manufacturer-Hope Deepblue.
The heat exchanger is another component that recovers the heat in the LiBr solution, which improves thermal efficiency by transferring heat from concentrated solution to dilute solution.
At the same time, the automatic air purification system pumps out the non-condensable air in the heat pump to maintain a high vacuum state in the heat pump.
The solution pump and the refrigerant pump transport lithium bromide solution and refrigerant water respectively to ensure the normal flow of the liquid working medium in the heat pump.
On the other hand, vacuum pumps are used for vacuum purge during startup and air purge during operation. Absorption heat pump manufacturer-Hope Deepblue.
The electric control cabinet is the control center of the lithium bromide heat pump, the main control and electrical components, ensuring the best performance and maintenance of the system.
In conclusion, choosing our hot water absorption heat pump systems ensures top-notch quality, reliability and energy efficiency. The components of our system work together to ensure optimal heating of the DHW while recovering waste heat and maintaining the required vacuum conditions. It is the ultimate solution for your heating needs.

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