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Gas fed water-heater

A water heater, input technology, applied to water heaters, fluid heaters, direct contact heat exchangers, etc., can solve the problems of increasing water heater burden, high temperature, reducing production volume, etc., to achieve optimal Effects of energy production, power saving, and improvement of insulation performance

Inactive Publication Date: 2008-02-20
SAES GETTERS SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, this type of insulation has the disadvantage that in order to ensure good thermal tightness in the area of ​​the The temperature in the device area is very high (can reach 250-300°C)

Method used

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  • Gas fed water-heater

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Experimental program
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Embodiment Construction

[0011] Referring to Figure 1, which shows a gas-input water heater according to the present invention, comprising a known cylindrical double-walled vessel 1, wherein a burner 2 is placed in the double-walled vessel 1, containing a tank of water to be heated 3 is placed on it. The upper part of the burner 2 is connected to a heat exchanger 4 which spans said tank 3 and thus heats the water contained therein. The double wall delimits an intermediate gap 5, the lower part 5' of which is adjacent to the area occupied by the burner and the upper part 5" of which is adjacent to the slot area; the dot-dash line in the figures indicates the dividing line between the two parts 5' and 5".

[0012] Figure 2 shows a cross-section of the water heater perpendicular to its axis at the height of the 5' section. As shown in Figure 2, a thermal insulation system is inserted in the lower region of the intermediate gap, which consists of at least two distinct layers, namely an inner layer 6 and ...

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Abstract

The present invention relates to a gas fed water-heater comprising a double wall container (1) inside which a burner (2) and a tank (3) of the water to be heated are arranged. At least in the portion (5') adjacent to said burner (2) of the interspace (5) between the two walls of said container (1) is placed a thermoinsulating system comprising an inner layer (6) of glass wool or rock wool and an outer layer (7) formed of at least a vacuum panel, which comprises an envelope which encloses inert material powder with an average size of the particles lower than 100 nanometers.

Description

technical field [0001] The present invention relates to a gas fed water-heater, and more particularly to a gas fed water-heater with a thermal insulation system in the area around the burner so as to avoid heat loss. Background technique [0002] Well known water heaters, often referred to as "heaters", can be supplied with either gas or electricity. Regenerative gas-fed water heaters consist of a generally cylindrical or parallel-pipe vessel in which the gas burner to be heated and the tank containing the water are located. The burners generally occupy the lower part of the vessel, connected to the upper part of a heat exchanger placed across said tank, thus heating the water contained in the tank. [0003] Said container is generally formed by a double wall, the closed middle area of ​​which is provided with insulating material, which is necessary to avoid heat losses which would significantly reduce the energy production of the water heater. In particular, polymeric ins...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H1/18F24H9/00F28C3/02
CPCF24H1/182F24H1/18B82Y30/00
Inventor 保罗·马尼尼皮耶拉蒂里奥·迪格雷戈里奥
Owner SAES GETTERS SPA