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Horizontal direct-connection type phase change heat exchange device

A phase-change heat and straight-through technology, which is applied to indirect heat exchangers, lighting and heating equipment, etc., can solve problems such as blockage, large volume of phase-change heat devices, inconvenient transportation and loading and unloading, etc., to achieve good heat exchange effect, The effect of reducing the construction period and facilitating transportation and loading and unloading

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 the problem that the water distribution plate or spray pipe is used to distribute water is prone to blockage, and further provides a horizontal straight-through phase Transform heat device

Method used

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  • Horizontal direct-connection type phase change heat exchange device
  • Horizontal direct-connection type phase change heat exchange device
  • Horizontal direct-connection type phase change heat exchange device

Examples

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specific Embodiment approach 1

[0029] Specific implementation mode one: combine Figure 1-7 Describe this embodiment, a horizontal through-type phase-change heat device, which includes N horizontal through-type phase-change heat units, where N≥1, and each horizontal through-type phase-change heat unit includes a shell (1) and the nozzle (2), the housing (1) is a sealed structure, and the housing (1) is communicated with a vacuum pump (3), and the housing (1) is evacuated by the vacuum pump (3), At least one baffle (4) is fixed vertically inside the casing (1), and the inside of the casing (1) is divided into at least two cavities by at least one baffle (4). The upper part of the baffle (4) is provided with The steam channel (5), the nozzle pipe (2) communicates with a cavity, and heat exchange tube bundles (6) are respectively arranged in the remaining cavities, and the vacuum pump (3) and heat exchange tube bundle (6) The role of the flash chamber (7) is formed, and the remaining cavities form the heat ex...

specific Embodiment approach 2

[0054] Specific implementation mode two: as Figure 1-7 As shown, the heat exchange tube bundle (6) includes at least one layer of heat exchange tubes arranged in parallel up and down, and each layer of heat exchange tubes includes several straight heat exchange tubes parallel to each other along the horizontal direction.

specific Embodiment approach 3

[0055] Specific implementation mode three: as Figure 1-7 As shown, the heat exchange tube bundle (6) includes at least one layer of heat exchange tubes, and each layer of heat exchange tubes includes several coaxial and horizontally arranged heat exchange elbows sequentially from the inside to the outside. (Each heat exchange elbow has a rectangular ring structure. The situation of the heat exchange elbow is not shown in the figure.)

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Abstract

The invention discloses a horizontal direct-connection type phase change heat exchange device, and belongs to the technical field of energy. The problems that an existing horizontal direct-connectiontype phase change heat exchange device is too large in size, and inconvenient to transport, load and unload, and when a water distribution plate or spraying pie is adopted for water distribution, blockage is prone to happening. The device comprises N horizontal direct-connection type phase change heat exchange single bodies, N is larger than or equal to 1, each horizontal direct-connection type phase change heat exchange single body comprises a shell and a spray pipe, the interior of the shell is vacuumized through a vacuum pump, at least one baffle is vertically and fixedly mounted in the shell, through at least one baffle, the interior of the shell is divided into at least two cavities, a steam channel is formed in the upper portion of the baffle, the spray pipe communicates with one cavity, heat exchange pipe bundles are mounted in remaining cavities, one cavity forms a flash evaporation chamber through the vacuum pump and the heat exchange pipe bundles, liquid to be subjected to flash evaporation enters the flash evaporation chamber to be subjected to flash evaporation through the spray pipe, and carries out heat exchange with the heat exchange pipe bundles through a steam channel, and temperature of liquid to be heated in the heat exchange pipe bundles rise

Description

technical field [0001] The invention relates to a horizontal 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 device in the prior art is generally arranged s...

Claims

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Application Information

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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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