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High-efficiency energy-saving air conditioning system used for area cold supplying and its implementing method

An air-conditioning system and regional technology, applied in air-conditioning systems, household heating, applications, etc., to achieve the effects of reducing flow, reducing energy consumption, improving economic benefits and energy utilization efficiency

Inactive Publication Date: 2011-07-06
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the temperature difference between the supply and return water of the chilled water secondary pipe network increases, and the temperature of the return water rises more, what form of air conditioning system should be used to utilize the cooling capacity delivered by the chilled water, and how to produce refrigeration with a large temperature difference? Water is a problem that cannot be solved by the existing air conditioning system, and it must be possible to develop a new air conditioning system

Method used

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  • High-efficiency energy-saving air conditioning system used for area cold supplying and its implementing method
  • High-efficiency energy-saving air conditioning system used for area cold supplying and its implementing method
  • High-efficiency energy-saving air conditioning system used for area cold supplying and its implementing method

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Embodiment 1

[0019] figure 1 shows the concrete structure of the present invention, by figure 1 It can be seen that the high-efficiency and energy-saving air-conditioning system used for district cooling includes refrigeration main engine, chilled water primary pump, chilled water secondary pump, plate heat exchanger, fresh air treatment equipment, return air treatment equipment, fresh air pretreatment equipment, user chilled water cycle pump, total heat exchanger; the main unit of refrigeration, chilled water primary pump, chilled water secondary pump, and the cold side of the plate heat exchanger are sequentially sealed and connected through chilled water pipes, forming a cooling system in the district cooling station and from the district cooling station to the user. Water loop (cold source part); the fresh air treatment equipment, return air treatment equipment, fresh air pretreatment equipment, hot side of the plate heat exchanger, and the user's chilled water circulation pump are als...

Embodiment 2

[0062] The specific structure of this embodiment is as figure 2 As shown, it is the same as Embodiment 1 except for the following features: the number of the refrigerating hosts is 4, first connect every 2 refrigerating hosts in series, and then arrange the serially connected refrigerating hosts in parallel to obtain refrigeration with a large temperature difference water.

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Abstract

The present invention provides a high-efficient and energy-saving air-conditioning system used for district cooling, which comprises a refrigeration host, a chilled water primary pump, a chilled water secondary pump, a plate heat exchanger, a new air processing device, a return air processing device, a new air pre-processing device, a user chilled water circulating pump and a total heat exchanger. The present invention further provides a realization method of the air-conditioning system. The high-efficient and energy-saving air-conditioning system and the realization method of the invention are based on the second law of thermodynamics and the optimized scientific energy utilization principle of exergy economics, and realizes the purposes of increasing the temperature difference between the supply water and the return water of a chilled water secondary pipeline and reducing the flow rate thereof by the method of connecting two levels of refrigeration with the refrigeration host in series and the innovative cold energy gradual utilization of a tail-end device.

Description

technical field [0001] The invention relates to a high-efficiency energy-saving technology of a building air-conditioning system, in particular to a high-efficiency energy-saving air-conditioning system suitable for the step-by-step utilization of cooling capacity for district cooling and its realization method. Background technique [0002] At present, with the rapid development of my country's economy, the demand for energy has increased rapidly, and the contradiction between supply and demand of energy has become increasingly acute. On the other hand, the reality is that my country's energy utilization efficiency is far lower than that of developed countries. Therefore, an effective way to solve the current energy dilemma in our country is to improve energy utilization efficiency. my country's building energy consumption accounts for about 30% of the country's total energy consumption, and the unit energy consumption is much higher than that of developed countries; the e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F3/00F24F3/14
Inventor 华贲康英姿
Owner SOUTH CHINA UNIV OF TECH
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