Constant temperature and humidity air conditioning system with independent control over temperature and humidity and for clean operating room

Abstract

The invention provides a constant temperature and humidity air conditioning system with independent control over temperature and humidity and for a clean operating room. The constant temperature and humidity air conditioning system with independent control over temperature and humidity and for the clean operating room comprises a cold and heat source unit, a fresh air unit for controlling the relative humidity in the operating room and a circulation unit for controlling the temperature in the operating room. Fresh air is mixed with return air in the operating room after being treated by the fresh air unit, and the mixed air is fed into the operating room as supplementary after entering the circulation unit and being treated. The fresh air unit comprises a first-grade surface cooler and second-grade surface cooler, wherein the second-grade surface cooler is a Freon direct evaporative cooler. The circulation unit comprises a chilled water dry coil surface cooler which runs under the dry working condition state. According to the constant temperature and humidity air conditioning system, the temperature and the relative humidity are controlled by different units respectively, the fresh air unit is used for carrying out deep surface cooling dehumidification and feeding fresh air with the enthalpy value smaller than the enthalpy value of the air state point in the operating room, and the dry fresh air is used for counteracting indoor wet dissipation, so that the relative humidity in the operating room is independently controlled; and because the circulation unit of the operating room is used for independently controlling the indoor temperature, reheating is not needed, the phenomenon of cold and hot counteraction does not exist, and the overall energy consumption is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, and in particular relates to a constant temperature and humidity air conditioning system with independent temperature and humidity control for a clean operating room. Background technique [0002] At present, the operating room air-conditioning system widely adopts the primary return air plus reheating system or the secondary return air system. To achieve constant temperature and humidity mode, reheating is required, and reheating will cause a large amount of cold and heat to offset the phenomenon, resulting in a huge waste of energy. It meets the requirements of building energy-saving technical specifications. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a constant temperature and humidity air conditioning system with independent temperature and humidity control for clean operating rooms. The system is stable and rel...

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Problems solved by technology

[0003] In order to solve the above technical problems, the present invention provides a constant temperature and humidity air conditioning system with independent temperature and humidity control for clean operating rooms. The system is stable and reliable, and solves the problem of a large number of cold and heat offset caused by reheating in the traditional constant temperature and humidity treatment method. Significantly reduces overall energy consumption

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