1. Product features and performance introduction

HTRJ-SW/RT series solar/waste heat recovery preheatingHeat exchange unitAdopting a system integration design, it has a compact structure and high degree of automation, and is widely used in domestic hot water supply systems. The heat exchange unit is composed of plate typeheat exchangerThe whole unit is composed of a hot water storage tank, valves, connecting pipelines, and control system. It is integrated with mechanical and electrical components, with a reasonable layout, compact structure, small footprint, and easy maintenance. The heat exchange unit adopts modular design, which can optimize the design according to different water usage situations of users, and can be freely combined. The overall configuration is advanced and reasonable.

2. Unit composition and selection of brands and materials:

2.1. The unit is mainly composed of plate heat exchangers and hot water storage tanks, matched with expansion tanks, system circulation pumps, valves, connecting pipelines, and control systems;

2.2. Selection of equipment, valves, pipeline brands and materials for the unit:

1) The material of the hot water tank is selected as carbon steel lined with copper, carbon steel composite 444, stainless steel S30408 or S31603;

2) Choose Alfa Laval and Tranter as the brand for board replacement, and use S30408 and S31603 materials;

3) The circulating pump brand is selected from Grundfos and Southern Pump Industry, and the material is made of stainless steel or carbon steel;

4) The material of the expansion tank is made of outer carbon steel and inner diaphragm;

5) Valve brands selected include Shanghai Lianggong and Emeco;

6) The material of the connecting pipe is thin-walled stainless steel S30408 and S31603;

7) Schneider is selected as the brand of control components ABB、 Siemens and Chint.

3. Model description of heat exchange unit:

4. Operating condition description: