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Vapor contact-type heating device

A contact and steam technology, applied in direct contact heat exchangers, lighting and heating equipment, non-variable pumps, etc., can solve the problems of fluid quality degradation, heating fluid thermal damage, etc., to improve mixing efficiency and quality high effect

Active Publication Date: 2011-06-22
HISAKA WORKS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is not preferable to heat beyond the required sterilization temperature more than necessary, which may cause thermal damage to the heated fluid or even degrade the quality of the fluid.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment

[0050] In order to demonstrate the usefulness of the present invention, the steam contact type heating apparatus of the present invention was used to perform thermal sterilization treatment of fluids, and the treatment performance at that time was evaluated.

[0051] Specifically, in figure 1 In the structure, the pressure P2 [MPa] of the liquid on the pump outlet side (downstream side of the discharge port 42 of the vapor mixing pump 4) is set to a predetermined value by the main back pressure valve 7, and the pump speed n [Hz] is adjusted. , set the pressure P1 [MPa] of the liquid on the inlet side of the pump to a specified value. In addition, based on the temperature T2 [°C] at the outlet side of the pump, the control unit (sterilization temperature control unit TICA-1) controls the amount of steam supplied to control the liquid mixed with steam to the heat sterilization temperature T0 [°C] that needs to be set. .

[0052] image 3 Indicates the experimental results. H...

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PUM

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Abstract

A vapor contact-type heating device which achieves a high-quality heat treatment is provided by increasing the mixing efficiency of vapor and supplying vapor at a relatively low pressure. By providing a pressurizing duct 45 of the liquid within a vapor mixing pump 4 as a fluid transfer means and providing a vapor supply port 46 on a casing 43 in such a manner that the vapor supply port 46 opens to this pressurizing duct 45, a vapor supply region 47 is formed in the pressurizing duct 45.

Description

technical field [0001] The present invention relates to a fluid heating device, and more particularly to a steam contact heating device for heating a fluid by bringing steam into direct contact with the fluid. Background technique [0002] Such a heating device is used in various liquid heating applications such as a continuous liquid heating device, a continuous liquid sterilizing device, and a hot water production device. [0003] For example, in the liquid food sterilization method, there is an indirect heating method that indirectly heats the liquid through a metal wall, etc., and a direct steam heating method that directly heats the liquid with steam. For sterilization of liquids that are prone to discoloration, such as green juice, there is a tendency to preferably use a direct steam heating method that can be completed in a short time, has little thermal influence on the liquid, and can prevent quality degradation. [0004] For example, in Japanese Patent Laid-Open P...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28C3/08A23L3/22
CPCF04D7/06F04D31/00A23C3/037F28C3/08A23L3/16A23C11/103A23C11/00F04D5/002A23L3/18A23L3/22
Inventor 疋田真人柄崎英夫
Owner HISAKA WORKS