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Heat recovery system

A heat recovery and heat technology, applied in heating systems, preheating, household heating, etc., can solve problems such as inability to obtain warm water

Inactive Publication Date: 2012-05-16
MIURA COMPANY LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, warm water at the desired temperature cannot be obtained

Method used

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Examples

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Effect test

Embodiment 1

[0058] figure 1 It is a schematic diagram showing Example 1 of the heat recovery system of the present invention.

[0059] The heat recovery system 1 of this embodiment is a system for recovering compression heat from an oil-lubricated (oil-supplied) and water-cooled electric air compressor. Specifically, it is a kind of indirect heat exchange between the compressed air or lubricating oil from the compressor 2 and the water supply from the water softener 3 to the water supply tank 5 of the boiler 4, so as to realize the cooling of the compressed air or lubricating oil and the water supply tank. 5 heating systems for water supply.

[0060] The heat recovery system 1 of this embodiment mainly includes: a compressor 2 that sucks in, compresses and discharges external air, an electric motor 6 that drives the compressor 2, an oil separator 7 that separates lubricating oil from the compressed air, and realizes cooling of the compressed air. The first air cooler 8 and the second ai...

Embodiment 2

[0078] figure 2 It is a schematic diagram showing Example 2 of the heat recovery system 1 of the present invention.

[0079] The heat recovery system 1 of the second embodiment is also basically the same as the heat recovery system 1 of the first embodiment. Therefore, the following description will focus on the differences between the two, and the corresponding parts will be described with the same reference numerals.

[0080] In said embodiment 1, the compressed air from the compressor 2 is sent to the first air cooler 8 through the second air cooler 9, but in this embodiment 2, the compressed air can be passed through the second air cooler. 9 or the switching of delivery without passing through the second air cooler 9 , or the distribution ratio of passing through the second air cooler 9 or not passing through the second air cooler 9 can be changed. For this reason, the inlet side and the outlet side of the second air cooler 9 are connected by a branch air supply passage...

Embodiment 3

[0083] image 3 It is a schematic diagram showing Example 3 of the heat recovery system 1 of the present invention, and shows only the modified parts different from Example 1 or Example 2.

[0084] The heat recovery system 1 of the present Example 3 is also basically the same as the heat recovery systems 1 of the above-mentioned Example 1 and the above-mentioned Example 2. Hereinafter, the difference between the two will be described mainly, and the corresponding parts will be described with the same reference numerals.

[0085] In the first embodiment and the second embodiment, the second air cooler 9 and the second oil cooler 11 are connected in series so that the water leading to the water supply tank 5 flows sequentially, but in the third embodiment Among them, the second air cooler 9 and the second oil cooler 11 are arranged in parallel, and the water branch leading to the water supply tank 5 flows to the second air cooler 9 and the second oil cooler 11 .

[0086] Speci...

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Abstract

Provided is a heat rocovery system. Compressed air from a compressor or heat from a lubricant can be utilized so that warm water is obtained, and the cooling of the compressor is not affected even by the amount or temperature of the warm water that has been adjusted. The heat recovery system includes a first air cooler (8) for cooling compressed air from a compressor (2), a first oil cooler (10) for cooling a lubricant from the compressor, and a second air cooler (9) and / or a second oil cooler (11) serving as a heat recovering heat exchanger. The second air cooler heats water with the heat of the compressed air to be fed to the first air cooler. In contrast, the second oil cooler heats water with the heat of a lubricant to be fed to the first oil cooler. Based on the using load of warm water that has been exchanged by the heat recovering heat exchanger, the water supply of the heat recovering heat exchanger is controlled. Or based on the temperature of warm water that has been exchanged by the heat recovering heat exchanger, the water supply of the heat recovering heat exchanger is controlled.

Description

technical field [0001] The invention relates to a heat recovery system for recovering compression heat of an air compressor. Background technique [0002] The following Patent Document 1 discloses a heat recovery system that achieves cooling of compressed air or lubricating oil from a compressor using water supply from a boiler to a water supply tank, and thereby achieves heating of supply water to the water supply tank. Specifically, supply water to the water supply tank (7) of boiler (2) through air cooler (32) and oil cooler (31), realize the cooling of compressed air at air cooler (32), on the other hand, in The oil cooler (31) cools the lubricating oil of the compressor (5), and the water supplied to the water supply tank (7) is heated by each cooler (31, 32). [0003] However, there are water-cooled and air-cooled cooling methods for compressors. In the case of water-cooled, the air cooler (32) and oil cooler (31) of the compressor unit (6) usually make the water cool...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/06F04B39/00
CPCF25B29/00F04B39/02F04B39/06F04C29/02F04C29/04F22B1/1838F22D11/00F04B39/0215F24D11/005F24D19/1051F24D2200/16F24D2220/042
Inventor 冈本裕介大谷和之
Owner MIURA COMPANY LIMITED
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