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Straight-through-type phase-change heat-exchanging device

A phase change heat, straight-through technology, applied in indirect heat exchangers, lighting and heating equipment, etc., can solve the problems of inconvenient transportation and handling, large volume, etc., and achieve easy transportation and handling, good heat exchange effect, and reduced manufacturing costs. Effect

Pending Publication Date: 2020-08-07
HIT HARBIN INST OF TECH KINT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem that the existing phase-change heat device is too large and inconvenient for transportation and loading and unloading, and further provides a straight-through type phase-change heat device

Method used

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  • Straight-through-type phase-change heat-exchanging device
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  • Straight-through-type phase-change heat-exchanging device

Examples

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specific Embodiment approach 1

[0031] Specific implementation mode one: combine Figure 1-10 Description of this embodiment, a straight-through phase-change heat device, which includes N straight-through phase-change heat units, where N≥1, and each straight-through phase-change heat unit includes a sealed shell ( 1), the housing (1) has a cavity structure, the housing (1) is connected with a vacuum pump (19), and the inside of the housing (1) is vacuumed by the vacuum pump (19), and the upper part of the cavity structure A heat exchange tube bundle (3) is arranged, and the lower part of the cavity structure forms a flash chamber (2) through the action of the vacuum pump (19) and the heat exchange tube bundle (3), and the liquid to be flashed enters the flash chamber (2) through a pipeline connection ), the steam obtained after flashing moves upward to the upper part of the cavity structure and exchanges heat with the liquid to be heated in the heat exchange tube bundle (3), so that the temperature of the li...

specific Embodiment approach 2

[0054] Specific implementation mode two: as Figure 1-10 As shown, when the nozzle pipe (4) is arranged vertically, the mist eliminator (5) is sleeved at the bottom of the nozzle pipe (4). Other compositions and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0055] Specific implementation mode three: as Figure 1~5 As shown, the heat exchange tube bundles (3) in each effect are divided into two groups and located on both sides of the nozzle (4), each group of heat exchange tube bundles (3) includes several parallel heat exchange straight tubes.

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Abstract

The invention provides a straight-through-type phase-change heat-exchanging device, and belongs to the technical field of environmental protection on energy sources. The problems that an existing phase-change heat-exchanging device is large in size and inconvenient to transport, assemble and disassemble are solved. The straight-through-type phase-change heat-exchanging device comprises N straight-through-type phase-change heat-exchanging single bodies, wherein N is larger than or equal to 1; each straight-through-type phase-change heat-exchanging single body comprises a sealed shell, the interior of the shell is of a cavity structure, the shell is provided with a vacuum pump in a communicating mode, the interior of the shell is vacuumized through the vacuum pump, heat-exchanging pipe bundles are arranged on the upper part of the cavity structure, the lower part of the cavity structure forms a flash chamber through the effects of the vacuum pump and the heat-exchanging pipe bundles, to-be-flashed liquid enters the flash chamber to be flashed through pipeline communication, and steam obtained after flashing moves upwards to the upper part of the cavity structure and conducts heat exchanging with to-be-heated liquid in the heat-exchanging pipe bundles. The straight-through-type phase-change heat-exchanging device has a single-effect or multiple-effect flash function, the flashed steam moves upwards, the floor area of the phase-change heat-exchanging device is effectively decreased, and compared with the prior art, transporting, assembling and disassembling are more convenient.

Description

technical field [0001] The invention relates to a through-type phase-change heat device, which belongs to the technical field of energy and environmental protection. Background technique [0002] A phase-change heat device in the prior art generally includes: a flash evaporator, a condenser, a vacuum system, a control system and some connecting pipelines. The principle of the phase conversion heat device is to use the principle of flashing low-temperature waste hot water under vacuum conditions, and the generated flash steam enters the condenser to heat the heating circulating water, and then the heating circulating water heats the surrounding buildings. Its basic function is to flash low-temperature water, and the use of flash steam heat is suitable for heating; in addition, the use of flash to concentrate industrial wastewater can achieve the effect of reducing industrial wastewater. [0003] The phase-change heat devices in the prior art are generally too large in size, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D15/02
CPCF28D15/0266
Inventor 李伟黄伟成宋乃秋李金峰张勇尚德敏
Owner HIT HARBIN INST OF TECH KINT TECH
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