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Gas water heater

A technology for gas water heaters and heat exchangers, which is applied in water heaters, fluid heaters, lighting and heating equipment, etc., and can solve problems affecting the service life of gas water heaters, affecting the reliability of gas water heaters, and poor sealing effect of return air ducts, etc. problems, to achieve the effect of eliminating indoor oxygen consumption, improving combustion efficiency and heat supply, and increasing sealing effect

Pending Publication Date: 2017-08-29
WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The gas water heater in the related art adopts the flue gas balance exchange method. Due to the high temperature of the return air, the hot return air is easy to cause damage to the internal components of the gas water heater, which affects the service life of the gas water heater, and the sealing of the return air duct The effect is poor, further affecting the reliability of the gas water heater

Method used

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Embodiment Construction

[0036] This application is based on the inventor's discovery and recognition of the following facts and problems:

[0037] In the gas water heater in the related art, the return air duct is defined by the back plate and the air duct plate installed on the back plate, and air leakage and blow-by are prone to occur between the air duct plate and the back plate, which affects the return air duct. of tightness.

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0039] In describing the present invention, it is to be understood that the terms "thickness", "upper", "lower", "front", "rear",...

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Abstract

The invention discloses a gas water heater which comprises a shell, a heat exchanger, a burner used for heating the heat exchanger, an air return duct and a draught fan. The shell is provided with a smoke outlet and an air inlet. The heat exchanger is arranged in the shell. The burner is arranged in the shell and communicates with the smoke outlet. The air return duct is a sealed piece provided with only an air intake port and an air exhaust port, wherein the air return duct is arranged in the shell, the air intake port communicates with the air inlet, the air exhaust port communicates with the burner, and the draught fan is connected to the air return duct. According to the gas water heater provided by the embodiment of the invention, the sealing effect of the air return duct is improved, damage to the gas water heater caused by air leakage of the air return duct is avoided, the ventilation rate of the gas water heater is improved, and gas can be sufficiently burnt; and besides, the air return duct can isolate an air current from electric elements in the gas water heater to prevent the high-temperature air current from damaging the electric elements.

Description

technical field [0001] The invention relates to the technical field of water heaters, in particular to a gas water heater. Background technique [0002] The gas water heater in the related art adopts the flue gas balance exchange method. Due to the high temperature of the return air, the hot return air is easy to cause damage to the internal components of the gas water heater, which affects the service life of the gas water heater, and the sealing of the return air duct The effect is poor, which further affects the reliability of the gas water heater. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. [0004] For this reason, the present invention proposes a gas water heater, which has a longer service life and better airtight performance. [0005] This application is made based on the inventor's discovery and recognition of the following facts and problems: a gas water heater accordin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/40F24H9/18
CPCF24H1/40F24H9/1836
Inventor 劳耀荣唐晓峨
Owner WUHU MIDEA KITCHEN & BATH APPLIANCES MFG CO LTD
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