Phase-change cold storage air-conditioning control room

Abstract

The invention provides a phase-change cold storage air-conditioning control room which comprises a refrigerating system, a cooling system, a heat exchange system, a cold storage system and a control system, wherein the cold storage system and the refrigerating system are connected to a central control system; the cooling system and the refrigerating system are provided with one-way valve systems and temperature sensors; one-way valve systems and temperature sensors are arranged between the cold storage system and the refrigerating system; the refrigerating system and the cold storage system are connected to the heat exchange system in parallel; the heat exchange system is located at the tail end of a load; the refrigerating system comprises 1-10 parallel refrigerators; the cooling system comprises 1-10 cooling water towers; the cold storage system comprises 1-10 phase-change cold storage tanks; and the heat exchange system comprises 1-8 heat exchangers which are connected in parallel or in series or in series-parallel connection. The electricity consumption in a peak electric stage can be transferred; the refrigerating capacity at the peak of the existing system is increased; the benefit of a chilled water unit is increased; control of a chilled water system is increased; the service life of the chilled water system is prolonged; the reliability of the chilled water system is improved; the operating elasticity of the chilled water system is improved; the utilization efficiency of energy sources is improved in part of on-load operations of a refrigerating unit, the electricpower is saved by 30-50%, and the electric charge is saved by 40-70%.

Description

technical field [0001] The invention belongs to the technical field of air conditioning cold storage and energy saving, and in particular relates to a phase change cold storage air conditioner room. Background technique [0002] With the popularity of air-conditioning, the proportion of electricity consumed by air-conditioning in building energy consumption is gradually increasing. In summer, the energy consumption of air-conditioning accounts for 85% of building energy consumption, which makes the peak-to-valley difference in electricity use larger, and there is a phenomenon that electricity demand exceeds supply during peak periods of electricity consumption, and excess electricity consumption occurs during low-peak periods of electricity consumption. Moreover, because the country has introduced a power policy that encourages peak shifting and valley filling to make full use of power resources, cold storage air conditioners are therefore favored by people. [0003] The so...

AI Technical Summary

Problems solved by technology

[0005] The current air-conditioning machine room lacks accurate detection of the operating status of the above four major equipment, and implements extensive management of equipment operation; or does not formulate a start-up strategy that can keep the main engine running efficiently according to the change of terminal load, or the control means are limited and cannot be effective Execution; or the system debugging is not in place, and the defects are not eliminated, causing the system to run for a long time with a disease; the industry standard pays attention to the energy efficiency of the main engine, and ignores the comprehensive energy efficiency of the computer room

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