Water-containing cultural relic freeze-drying dehumidification air conditioning system with independent temperature and humidity control function

Abstract

A water-containing cultural relic freeze-drying dehumidification air conditioning system with an independent temperature and humidity control function comprises a low-temperature freezing dehumidification set arranged outside a freeze-drying room and a dehumidification tail end unit arranged in an equipment room of the freeze-drying room and connected with the low-temperature freezing dehumidification set through a four-way reversing valve. A temperature control system comprises a low-temperature freezing temperature control set arranged outside the freeze-drying room and a temperature control tail end unit arranged in the equipment room of the freeze-drying room and connected with the low-temperature freezing temperature control set through a first expansion valve. The dehumidification tail end unit and the temperature control tail end unit are used for conducting corresponding dehumidification and temperature treatment on air flowing in from an air return grille opening formed between the freeze-drying room and the equipment room, and then the air sequentially passes through an air supply opening formed between the equipment room and an air guide space at the top of the freeze-drying room and an air supply hole plate of the air guide space to be fed into the freeze-drying room. Water-containing cultural relics can be frozen, dehumidified and dried, and the cultural relics can be frozen and preserved for a long time in a low-humidity environment.

Description

technical field [0001] The invention relates to an air-conditioning system for freezing and dehumidifying at normal pressure and low temperature. In particular, it relates to a freeze-drying and dehumidification air-conditioning system for water-containing cultural relics with independent temperature and humidity control functions. Background technique [0002] Cultural relics are a witness to the history of a country. The large-scale construction of our country in recent years has resulted in an increasing number of unearthed cultural relics to be protected. Due to the constraints of the times and technology, most of the traditional ancient buildings in our country use wood as the skeleton, and the main load-bearing material is also wood. After hundreds or even thousands of years of precipitation, these wooden buildings have extremely high artistic value and cultural relics research value. Over time, some wooden cultural relics have been buried underground for hundreds or...

AI Technical Summary

Problems solved by technology

[0003] Patent No. ZL 201610006959.5 has provided a dehumidification air-conditioning system and method for freeze-drying preservation of water-containing cultural relics. The dehumidification unit realizes the control of the dehumidification through the adjustment of the bypass air volume, because the dehumidification evaporator has a low dehumidification capacity. , high power consumption, and the humidity control accuracy of the bypass ventilation valve is poor, so it is impossible to achieve a wide range of humidity controllable and adjustable

Images