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Heat exchanger of upward combustion type condensing boiler

A technology of heat exchangers and condensing boilers, applied in water heaters, fluid heaters, energy-saving heating/cooling, etc., can solve the problems of complex structure of condensing boilers, reduced condensation efficiency, increased manufacturing costs, etc., to maximize latent heat Recycling efficiency, effect of size reduction

Inactive Publication Date: 2010-12-01
KYUNGDONG NAVIEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this has only limited effect
[0020] (2) The most basic reason for the reduction of condensation efficiency is that the high-temperature and wet exhaust gas (exhaust gas including water vapor) passing through the sensible heat exchange unit 23 contacts condensed water
Therefore, the structure of the condensing boiler becomes complicated, and the manufacturing cost increases

Method used

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  • Heat exchanger of upward combustion type condensing boiler
  • Heat exchanger of upward combustion type condensing boiler
  • Heat exchanger of upward combustion type condensing boiler

Examples

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Embodiment Construction

[0045] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0046] Figure 4 is a schematic diagram of an upwardly fired condensing boiler according to an example embodiment of the present invention.

[0047] The condensing boiler according to the present invention includes: an upward firing type burner 120 installed directly above the blower 110 to form an upward flame; a sensible heat exchange unit 130 which absorbs sensible heat generated from the burner 120; a latent heat exchange unit 150 which absorbs the already The latent heat of water vapor contained in the exhaust gas that has been heat-exchanged in the sensible heat exchange unit 130 .

[0048] For the burner 120, any of a Bunsen burner and a premix burner may be used. The Bunsen burner supplies the minimum amount of primary air required for combustion to the nozzle unit and secondary air to the part where the flame is formed. Premi...

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Abstract

Provided is a heat exchanger of an upward combustion type condensing boiler, which can maximize latent-heat recovery efficiency by causing the flow direction of exhaust gas to coincide with the flow direction of condensed water in a latent heat exchange unit. The heat exchanger includes a sensible heat exchange unit that absorbs sensible heat generated from an upward combustion type burner; a latent heat exchange unit that absorbs latent heat of vapor included in exhaust gas which has been heat-exchanged in the sensible heat exchange unit; and a condensed-water tray that discharges condensed water generated from the latent heat exchange unit. An upward flow of exhaust gas passed through the sensible heat exchange unit is converted into a downward flow so as to pass through the latent heat exchange unit, and the latent heat exchange unit is installed in such a manner that the flow direction of the exhaust gas passing through the latent heat exchange unit vertically coincides with the falling direction of condensed water generated from the latent heat exchange unit.

Description

technical field [0001] The present invention relates to a heat exchanger for an upward combustion type condensing boiler, and more particularly, to an upward combustion type condensing boiler in which a sensible heat exchanger and a latent heat exchanger are sequentially arranged on an upward combustion type condensing boiler. Above the combustion type burner. Background technique [0002] Currently manufactured boilers are boilers that include heat exchangers to increase thermal efficiency. Such a heat exchanger consists of a sensible heat exchange unit and a latent heat exchange unit. The sensible heat exchange unit absorbs sensible heat of exhaust gas generated from the combustion chamber, and the latent heat exchange unit absorbs latent heat and residual heat from exhaust gas that has been heat-exchanged in the sensible heat exchange unit. Boilers of this type are called condensing boilers. [0003] Such condensing boilers have been put into practical use as an oil-fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/40
CPCF24H8/00Y02B30/102F24H1/40F24H8/006Y02B30/106Y02B30/00F24H1/445F24H9/0031F24H9/1836F24H9/13
Inventor 金容范闵明基
Owner KYUNGDONG NAVIEN
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