High-efficiency ice storage system method

An ice-storage and high-efficiency technology, applied in air-conditioning systems, heating methods, lighting and heating equipment, etc., can solve the problems of low cooling efficiency, increased energy consumption, and the ice does not melt for 10,000 years. Small volume, easy ice making and de-icing effect

Active Publication Date: 2019-08-30
广东腾源蓄冷节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a high-efficiency ice storage system method, which solves the problem that the existing deicing method will increase energy consumption, the energy efficiency of the ice machine is low, the efficiency of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] When the ice storage device of a high-efficiency ice storage system method is open:

[0040] S1. Conventional air conditioner refrigeration and ice-making unit joint cooling working condition: first, the conventional air-conditioner is operated, and the ice-making unit system is turned on, so that the ethylene glycol solution flows through the pipeline through the electric valve V44, and then through the pipeline through the ethylene glycol system. Ice unit 14, the cooled ethylene glycol solution flows through the pipeline through the ethylene glycol circulation pump 13, then through the pipeline through the electric valve V3 (3), then through the pipeline through the ethylene glycol deicing plate for 20, after heating The ethylene glycol solution flows through the pipeline through the electric valve V4 (4), and repeats in turn. During the entire refrigeration process, the ethylene glycol deicing plate is replaced by 20 as a cold transfer device to continuously supply co...

Embodiment 2

[0056] When the ice storage device of a high-efficiency ice storage system method is closed:

[0057] S1 Conventional air-conditioning refrigeration + ice-making unit joint cooling working condition: conventional air-conditioning operation - ice-making unit system on - ethylene glycol solution flows through the pipeline through the electric valve V4 (4) - then flows through the pipeline through the glycol ice-making unit (14) - The cooled ethylene glycol solution flows through the pipeline through the ethylene glycol circulation pump (13) - Through the pipeline through the electric valve V3 (3) - Through the pipeline through the ethylene glycol cooling plate exchange (20) - The heated ethylene glycol solution flows through the pipeline through the electric valve V4 (4)-repeated in turn, and the ethylene glycol cooling plate (20) serves as a cooling transfer device to continuously supply cooling to the end during the entire refrigeration process;

[0058] S2. Conventional air c...

Embodiment 3

[0070] The ice storage device of a high-efficiency ice storage system method is open, and the ethylene glycol host is only used for ice storage and not for cooling:

[0071] S1. Conventional air conditioner refrigeration + ice storage unit ice storage working condition: Conventional air conditioner operation - ethylene glycol ice making system is on, ice making coil 1 (23) and ice making coil 2 (24) run alternately for ice making and deicing , when ice making coil 1 (23) makes ice and ice making coil 2 (24) deices, electric valves V5 (5), V6 (6) open, V11 (11), V12 (12) close, electric Valves V9(9) and V10(10) are open, V7(7) and V8(8) are closed; electric valve V5 is under ice-making coil 1 (23) deicing and ice-making coil 2 (24) ice-making conditions (5), V6(6) closed, V11(11), V12(12) opened, electric valves V9(9), V10(10) closed, V7(7), V8(8) opened;

[0072] a1. Ice-making coil 1 (23) ice-making process: ethylene glycol solution flows through the ethylene glycol ice maki...

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Abstract

The invention discloses a high-efficiency ice storage system method. The method specifically comprises the steps of 1, a conventional air-conditioning refrigeration and ice-making unit combined cold working condition; 2, a conventional air-conditioning refrigeration and ice-making unit ice storage working condition; 3, an ice-making unit independent ice storage working condition; 4, an ice storagedevice independent cold working condition, and 5, a conventional air conditioner and ice storage device combined cold working condition. The invention relates to the technical field of air conditioner ice storage. With the high-efficiency ice storage system, an auxiliary device is added to help an ice-making coil to be more prone to ice making and de-icing, chilled water is utilized to transfer the heat to a refrigerant or an ethylene glycol solution through a plate exchanger to realize de-icing, and the cold capacity released by the ice-making coil during de-icing is directly absorbed by thechilled water for air-conditioning refrigeration, so that the refrigerating cold capacity is not wasted; extra heat source for deicing does not need to be additionally added during de-icing, an ice maker works in an ice-making state all the time, and the conversion is not needed; and the ice-making amount is large, the efficiency is high, the cold storage capacity per unit capacity of an ice storage device is large, and the cold capacity released during de-icing can be stored as needed.

Description

technical field [0001] The invention relates to the technical field of air-conditioning ice storage, in particular to a high-efficiency ice storage system method. Background technique [0002] The air-conditioning ice storage technology is to use electric refrigerators to cool the cold storage medium during the low power consumption period at night when the power load is very low, so that the cold storage medium is frozen, and the cooling capacity is stored by using the sensible heat and latent heat characteristics of the cold storage medium. During the day when the power load is high, that is, the peak period of power consumption, the cold storage medium is melted to release the stored cold energy to meet the needs of building air conditioning or production processes. The ice storage system generally consists of refrigeration, cold storage and power supply. The refrigeration and cold storage system is composed of four major parts: refrigeration equipment, cold storage devic...

Claims

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Application Information

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IPC IPC(8): F24F5/00
CPCF24F5/0017F24F2005/0032Y02E60/14
Inventor 陆有军
Owner 广东腾源蓄冷节能科技有限公司
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