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Cooling warehouse and air refrigerant type cooling system

a cooling system and warehouse technology, applied in the field of cooling equipment, can solve the problems of difficult to uniform the temperature of the vessel and the difficulty of sufficient circulation of low-temperature air in the warehous

Inactive Publication Date: 2010-12-16
MITSUBISHI HEAVY IND LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the vessel is large, it is difficult to sufficiently circulate low-temperature air in the warehouse and uniform the temperature in the vessel.
Therefore, this problem is important.

Method used

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  • Cooling warehouse and air refrigerant type cooling system
  • Cooling warehouse and air refrigerant type cooling system
  • Cooling warehouse and air refrigerant type cooling system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018]The best mode for carrying out the present invention is described below by referring to the attached drawings.

[0019]A configuration of an air refrigerant type cooling apparatus is shown in FIG. 1. The cooling apparatus includes a freezer, a cooler, and an air-conditioning cooler (the same is applied to the cooling warehouse). This is because it is possible to apply the air refrigerant type cooling apparatus to freezing, cooling, and air-conditioning cooling by changing the temperature and pressure level of a system. The air refrigerant type cooling apparatus 1 has a compressor 2 to be driven by a motor 4. The compressor 2 is connected to a first cooled-air-type heat exchanger 6. It is also allowed to use a heat exchanger which is not the air cooling type as the first cooled-air heat exchanger 6. The first cooled-air heat exchanger 6 is connected to a second cooling heat exchanger 10. The second cooling heat exchanger 10 is connected to an expansion turbine 12 to be driven by t...

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PUM

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Abstract

The object of the present invention is to cool an inside space of cooling warehouse uniformly by using a air refrigerant type cooling apparatus. A piping for taking in air in the cooling warehouse is installed. The air taken in by the piping (higher temperature) is mixed by the air sent from the air refrigerant type cooling apparatus (lower temperature) and blown off to the cooling warehouse. The temperature of the mixed air is closer to the temperature inside of the cooling warehouse than the air sent from the air refrigerant type cooling apparatus so that the inside of the cooling warehouse is cooled more uniformly. Furthermore, the amount and speed of the air blown off into the cooling warehouse are increased so that the inside space of the cooling warehouse is more uniformly cooled.

Description

TECHNICAL FIELD[0001]The present invention relates to a cooling apparatus using an air refrigerant and a cooling warehouse cooled by the cooling apparatus.BACKGROUND ART[0002]A cooling apparatus using air as a refrigerant has been developed in recent years instead of a conventional cooling apparatus using chlorofluorocarbon as a refrigerant. This type of the cooling apparatus using a refrigerant air generally uses a system for performing cooling by directly blowing the air used as a refrigerant into a cooling chamber.[0003]Japanese Unexamined Patent Publication No. 8-61821 (1996) discloses a low-temperature freezer for cooling a cooling space to a target temperature by a circulation equipment for circulating low-temperature air in the cooling space between the cooling spaces in a cooling portion outside of the cooling space, in which the circulation equipment for circulating the low-temperature air is systematized by arranging an air compressor, compressed-air cooler, expander, and ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F25D9/00F28F13/12
CPCF25B9/004F25D11/04F25D17/06F25D2317/0665
Inventor KIKUCHI, SHIGEMITSUOKUDA, SEIICHI
Owner MITSUBISHI HEAVY IND LTD