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Business, As the leader in energy business of the 21st century, KDHEC strives to create the happy energy world.

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Business

A heat storage tank is a hot water storage tank which supplies the hot water produced by the heat generation system to the users and stores the remaining heat to be discharged to the user when needed. It also mitigates the pressure change according to the expansion or shrinkage of district heating water in the thermal pipe network.



Heat Storage Tank Design

KDHEC designs the optimum heat storage tank by minimizing the temperature boundary layer formed by the hot water of 98℃ stored in the heat storage tank and cool water recovered from district heating and applying the floating type nozzle to store or discharge the heat even with water level change to mitigate the pressure change in the thermal pipeline.



Considering the fact the heat storage tank is sensitive to temperature, it applies the technology to minimize the internal movement and reduce the agitation caused by the heat exchange between the cold pipe and hot pipe and inflow and discharge of district heating water. KDHEC has the patents for the technology to contribute to the advancement of the technology related to heat storage tank.

Patents

- For protecting a temperature boundary layer of a thermal storage tank and preventing heat loss for district heating capable of preventing an outer pipe from being deformed

- Device for preventing vacuum and overpressure of heat storage tank for district heating

- Suction apparatus for a heat storage tank, capable of sucking high temperature heating water at a high level by applying a buoyancy pontoon to a pipe

Technologies

- Heat storage tank manufacturing design

- Heat storage tank strength calculation

- Heat storage tank internal part manufacturing design

Floating Type Nozzle

Hot Pipe Double Jacket

Buoyancy Pontoon

Keeping the Technique of Temperature Boundary Layer

- Heat storage tank surge chamber technology

- Heat storage tank safety valve technology



Project Reference
프로젝트명, 발주처, 업무범위, 용역기간, 위치 로 구성된 사업실적 표
Project Name Customer Project Scope Project Period Location
Design of Main Body and Internal Parts of Heat Storage Tank and Technical Support for Juggok Woowon DIC Final design 2015 ~ 2016
Design of Heat Storage Tank for Construction of Wirye New Town Integrated Energy Facility SK Engineering & Construction Final design 2015 ~ 2016 Hanam, Gyeonggi
Design of Main Body and Internal Parts of Heat Storage Tank for Hyangnam Yuseung Plant Final design 2014 ~ 2015 Hwaseong, Gyeonggi
Design of Heat Storage Tank for Myeongpum Osan Cogeneration Power Plant Daesung Final design 2014 ~ 2015 Osan, Gyeonggi
Design of Main Body and Internal Parts of Heat Storage Tank for Gwangju Naju Joint Inno City GS Neotek Final design 2014 ~ 2015 Naju, Jeonnam
프로젝트명, 발주처, 업무범위, 용역기간, 위치 로 구성된 사업실적 표
Project Name Customer Project Scope Project Period Location
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