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Heat-exchange unit

A technology of heat exchange components and components, which is applied in the direction of heat exchanger types, indirect heat exchangers, fixed tubular conduit components, etc., and can solve the problems that heat exchangers cannot perform effective heat exchange.

Active Publication Date: 2018-02-23
KOBE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the air (atmosphere around the heat exchanger) whose temperature has been lowered by the influence of the airflow (low temperature air) after heat exchange in the heat exchanger is supplied to the heat exchanger, so that the heat exchange cannot be effectively performed. Heat exchange (heating of low temperature medium)
In addition, since the wind direction changes every moment, the heat exchanger whose heat exchange efficiency becomes low according to the wind direction also changes.

Method used

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Examples

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Embodiment Construction

[0020] refer to Figure 1 to Figure 11 A heat exchange module according to one embodiment of the present invention will be described. The heat exchange component is a device for heating the low-temperature medium by exchanging heat with the low-temperature medium (low-temperature liquefied gas, intermediate medium, etc.) that is lower than the air (atmosphere). In addition, the heat exchange assembly can be used to directly heat low-temperature liquefied gas with air, and can also be used to heat intermediate medium in so-called intermediate medium heat exchange assembly (a device that uses an intermediate medium such as propane to heat low-temperature liquefied gas).

[0021] Such as Figure 1 to Figure 3 As shown, the heat exchange assembly includes a plurality of heat exchange devices 20 and a control unit 70 . In addition, in figure 1 In , illustration of the control unit 70 is omitted. The respective heat exchange devices 20 have the same shape as each other.

[0022...

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PUM

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Abstract

The invention discloses a heat-exchange unit that is provided with a unit component and with a control unit (70). The unit component has a plurality of heat-exchange devices (20), and each heat-exchange device (20) has a blower (20) and a heat exchanger (40). The control unit (70) is provided with: a re-intake determination unit (72) that determines whether re-intake of low-temperature air is occurring; a wind-direction determination unit (74) that determines wind direction; and a wind-volume control unit (76) that performs one-way control that, when the re-intake determination unit (72) has determined that re-intake is occurring, adjusts the rotational speed of each blower (30) such that a one-way slope that is based on the difference or ratio between the rotational speed of an upwind-device blower (30) and the rotational speed of a downwind-device blower (30) is larger than a steady-state one-way slope and such that the rotational speed of the blowers (30) progressively increases from the downwind device to the upwind device.

Description

technical field [0001] The invention relates to a heat exchange component. Background technique [0002] Conventionally, there is known an air-to-air heat exchange device that heats and vaporizes a low-temperature medium (liquefied natural gas, etc.) that is lower than air by using air (atmosphere). For example, Patent Document 1 discloses a low-temperature liquefied gas vaporizer (heat exchange unit) equipped with an evaporator for evaporating an intermediate medium by exchanging heat with air and an intermediate medium that is lower than air, and a heating device for heating the low-temperature liquefied gas. ). The evaporator has a blower for forming a vertical airflow, and a heat exchanger for heating the intermediate medium by exchanging heat between the intermediate medium and the airflow. Likewise, the warming device has a blower for forming a vertical airflow and a heat exchanger for heating the low-temperature liquefied gas by exchanging heat with the airflow. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C9/02F28D7/06
CPCF17C9/02F28D7/06
Inventor 东孝祐福谷和久
Owner KOBE STEEL LTD