Energy-saving centralized air conditioning dehumidification system for tobacco mellowing warehouse and control method

Abstract

The invention relates to an energy-saving centralized air conditioning dehumidification system for a tobacco mellowing warehouse and a control method of the energy-saving centralized air conditioning dehumidification system. The system comprises a heat recovery type air-cooled heat pump unit, a roof type air handling unit, a freezing water supply and return pipeline, a heat recovery water supply and return pipeline, an air supply pipeline, an air return pipeline and an automatic control system matched with the system, wherein the roof type air handling unit is connected with the heat recovery type air-cooled heat pump unit through the freezing water supply and return pipeline and the heat recovery water supply and return pipeline; the roof type air handling unit supplies air subjected to handling to all floors or all tobacco storage regions through the air supply pipeline and the air return pipeline, so that air circulation is achieved. Compared with a traditional distributed dehumidifier for the tobacco mellowing warehouse, the energy-saving centralized air conditioning dehumidification system for the tobacco mellowing warehouse has the technical advantages of being efficient in operation, capable of saving energy, reasonable in temperature and humidity control, low in initial equipment investment, low in maintenance workload and the like.

Description

technical field [0001] The invention relates to a system for providing the most suitable temperature and humidity environment conditions for the alcoholization process of tobacco leaves, in particular to an energy-saving centralized air-conditioning dehumidification system for tobacco leaf alcoholization warehouses, and an energy-saving centralized air-conditioning dehumidification system for tobacco leaf alcoholization warehouses system control method. Background technique [0002] In the field of cigarette production, after the initial roasting and redrying of tobacco leaves after harvesting, in order to remove green odor and reduce irritation, improve aroma quality, reconcile chemical components, and improve the flammability and flavor quality of tobacco leaves, it must be used in cigarette production. After alcohol treatment. The aging of tobacco leaves can be divided into two methods: artificial aging and natural aging. Artificial alcoholization is to use higher tempe...

AI Technical Summary

Problems solved by technology

This system has the following disadvantages: 1) For a tobacco leaf alcoholization storage area of ​​a certain scale, the number of dehumidifier equipment configurations is large and scattered, the initial investment is high, and operation and maintenance are very inconvenient; The low indoor air temperature drop (generally around 22°C to 26°C) is not conducive to the quality and speed of alcoholization of tobacco leaves. The suitable temperature for tobacco leaf aging in summer is 28°C to 30°C; The effective storage area of ​​each floor, and the dehumidifier is easily corroded and damaged during the PH3 fumigation and insecticide of the cigarette package; 4) An additional set of mechanical ventilation piping system is required to solve the problem of indoor ventilation in transitional seasons, and timely Exhaust the CO2 gas emitted during the alcoholization process of tobacco leaves

The layout of the indoor air duct system is complicated, and the initial investment is high; 5) A large number of dehumidifiers in the reservoir area are running in a state of frequent start and stop, resulting in instability of the power grid and waste of energy

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