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Low temperature latent heat release small temperature difference waste heat recovery device and its control method

A waste heat recovery and control method technology, applied in the direction of heat exchangers, indirect heat exchangers, heat storage equipment, etc., can solve the problems of easy damage of glass heat pipes, low heat transfer efficiency, inconvenient installation, etc., and achieve easy installation High efficiency, high heat recovery rate, and structural safety

Active Publication Date: 2015-12-02
上海双木散热器制造有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the technical problems of glass heat pipes that are easily damaged, low heat transfer efficiency, and inconvenient installation in the prior art, the inventor has completed the present invention after conducting a lot of in-depth research.

Method used

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  • Low temperature latent heat release small temperature difference waste heat recovery device and its control method
  • Low temperature latent heat release small temperature difference waste heat recovery device and its control method
  • Low temperature latent heat release small temperature difference waste heat recovery device and its control method

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Embodiment 1

[0031] This embodiment relates to a control method for a waste heat recovery device with low temperature latent heat release and small temperature difference, including the following steps:

[0032] Step 1: Introduce fresh air, that is, fresh air, into the heat exchange tubes;

[0033] Step 2, by adjusting the temperature and humidity of the hot and humid exhaust gas, the temperature difference between the hot and humid exhaust gas and the fresh air is 9°C, and the humidity of the hot and humid exhaust gas is 95%RH;

[0034] Step 3, the fresh air and the hot and humid exhaust air are fully exchanged through the heat exchange tubes, so that the hot and humid exhaust air condenses outside the heat exchange tubes, and then the fresh air after heat exchange is output.

Embodiment 2

[0036] This embodiment relates to a control method for a waste heat recovery device with low temperature latent heat release and small temperature difference, including the following steps:

[0037] Step 1: Introduce fresh air, that is, fresh air, into the heat exchange tubes;

[0038] Step 2, by adjusting the temperature and humidity of the hot and humid exhaust gas, the temperature difference between the hot and humid exhaust gas and the fresh air is 1°C, and the humidity of the hot and humid exhaust gas is 92%RH;

[0039] Step 3, the fresh air and the hot and humid exhaust air are fully exchanged through the heat exchange tubes, so that the hot and humid exhaust air condenses outside the heat exchange tubes, and then the fresh air after heat exchange is output.

Embodiment 3

[0041] This embodiment relates to a control method for a waste heat recovery device with low temperature latent heat release and small temperature difference, including the following steps:

[0042] Step 1: Introduce fresh air, that is, fresh air, into the heat exchange tubes;

[0043] Step 2, by adjusting the temperature and humidity of the hot and humid exhaust gas, the temperature difference between the hot and humid exhaust gas and fresh air is 2°C, and the humidity of the hot and humid exhaust gas is 90% RH;

[0044] Step 3, the fresh air and the hot and humid exhaust air are fully exchanged through the heat exchange tubes, so that the hot and humid exhaust air condenses outside the heat exchange tubes, and then the fresh air after heat exchange is output.

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Abstract

The invention relates to a low-temperature latent heat release small-temperature-difference waste heat recovery device and a control method thereof. The low-temperature latent heat release small-temperature-difference waste heat recovery device is provided with columns and cross beams between a bottom beam and a top beam, wherein horizontal supports are arranged among the cross beams, shear supports are arranged among the columns, a complete frame structure is formed through mutual connection, and heat exchange pipes are made of an aluminum alloy material. The control method comprise the following steps of leading fresh air into the heat exchange pipes; automatically regulating the temperature and humidity of the damp and hot waste air; completely performing heat exchange on the fresh air and the damp and hot waste air through the heat exchange pipes, then outputting fresh air after heat exchange and feeding the fresh air into a hot air working system to achieve the purpose of waste heat recovery. The low-temperature latent heat release small-temperature-difference waste heat recovery device has the advantages that the heat exchange pipes are not easily damaged and the heat transfer efficiency is high, optimal combination of safe structure, convenient installation and high heat energy recover rate is achieved, and the device can be widely applied to the field of low-temperature waste heat and recovery.

Description

technical field [0001] The invention relates to a waste heat recovery device and a control method thereof, in particular to a low-temperature latent heat release small temperature difference waste heat recovery device and a control method thereof. Background technique [0002] Energy is an important material basis for human survival and development, and is related to national economy, people's livelihood and national security. Promoting the transformation of energy survival and utilization methods, adjusting and optimizing the energy structure, and building a safe, stable, economical and clean modern energy industry system are of great strategic significance for ensuring the sustainable development of my country's economy and society. [0003] Waste heat refers to the sensible heat and latent heat that have not been rationally utilized in the original design in the energy-consuming devices of industrial enterprises that have been put into operation due to the limitations of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D20/02
CPCY02E60/145Y02E60/14
Inventor 朱林群张兴亮杨世通钱桢仪
Owner 上海双木散热器制造有限公司
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