Air heat exchangers, flue gas heat exchangers and air coolers of YDA in Dalian, China.

Product Description

Product Description
Air heat exchangers, flue gas heat exchangers and air coolers of YDA in Dalian, China.
Air Heat Exchangers
Product Types: Finned - tube air heat exchangers (including steel - aluminum composite rolled finned tubes, high - frequency welded finned tubes, wound finned tubes, etc.), high - temperature steam - water heat exchangers, evaporative air coolers, etc.
Working Principle: A fan is used to send cold air into the equipment, where it exchanges heat with the cooled refrigerant and then is discharged from the air outlet. Subsequently, it is sent to places such as air - conditioned rooms by a return fan. During the winter heating season, the bypass pipe can be closed, and the system can operate directly in a combination mode of fresh air and exhaust air. Inside, there are usually a heat - exchange system, a power system, a control system, a filtration system, etc., working in coordination to achieve efficient heat exchange and air purification.
Application Scenarios: Widely used in the flue gas cooling sections of petrochemical industries, the air heating and cooling sections of industrial equipment, the air heating sections of power plants, the flue gas cooling sections of boilers, the cooling sections of waste gas and liquid, and the waste heat recovery sections, etc.
Flue Gas Heat Exchangers
Product Types: Flue gas waste heat recovery devices, flue gas welded plate heat exchangers, etc.
Working Principle: Mainly based on the principles of heat conduction and phase - change heat transfer, heat exchange is carried out between high - temperature flue gas and low - temperature media (such as water, air, etc.). The heat in the flue gas is transferred to the cooling medium through heat conduction. In some devices, the cooling medium undergoes a phase change after absorbing heat, further improving the heat - exchange efficiency.
Application Scenarios: Widely applied in various industries such as chemical engineering, metallurgy, power, and building materials. By recovering the waste heat from flue gas, it improves energy utilization efficiency and reduces energy consumption.
Air Coolers
Product Types: Include SRZ, GGC, RZGL - type radiators and high - frequency welded finned - tube radiators, etc.
Working Principle: Using ambient air as the cooling medium, it flows across the outside of the finned tubes, cooling or condensing the high - temperature process fluid inside the tubes.
Structural Composition: Generally composed of main parts such as tube bundles, tube boxes, fans, louvers, and frameworks. According to different tube - bundle arrangements and installation forms, it can be divided into horizontal and inclined - top types; according to different cooling methods, it can be divided into dry - type and wet - type; according to different ventilation methods, it can be divided into forced - draft and induced - draft air coolers.
Application Scenarios: Mainly used in industries such as petroleum, chemical engineering, and metallurgy. It has the advantages of large air volume, high efficiency, low vibration, low noise, and convenient operation and maintenance.

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