1. Product Introduction and Performance Characteristics
The HTRJ-AW series constant temperature thermal storage unit adopts a system integration design, specifically designed for the thermal storage of air source heat pump hot water units. With a compact structure and high degree of automation, it can be widely used in domestic hot water supply systems. Mainly used for centralized supply of hot water for southern living, it has the characteristics of green energy saving, 24-hour constant temperature, no stagnant water area, no Legionella bacteria, and a volume utilization rate of 100%.
2. Unit composition and selection of brands and materials
2.1 The unit is mainly composed of a constant temperature heat storage tank, matched with an expansion tank, a heating circulation pump, valves, connecting pipelines, and a control system; 2.2 Equipment, valves, pipeline brands and materials selected for the unit:
1) The material of the constant temperature heat storage tank is selected as carbon steel lined with copper, carbon steel composite 444, stainless steel S30408 or S31603;
2) The circulating pump brand is selected from Grundfos and Southern Pump Industry, and the material is made of stainless steel or carbon steel;
3) The material of the expansion tank is made of outer carbon steel and inner diaphragm;
4) Valve brands selected include Spirax Armstrong, Shanghai Lianggong, and Emeco;
5) The material of the connecting pipe is thin-walled stainless steel S30408 and S31603;
6) Schneider is selected as the brand of control components ABB、 Siemens and Chint.
3Heat exchange unitModel Description

4. Operating condition description

Rated operating conditions: ambient dry bulb temperature of 20 ° C, temperature bulb temperature of 15 ° C. Initial water temperature of 15 ° C, termination water temperature of 55 ° C