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Fuel gas high efficiency water heater litre level changing method and variable litre level fuel gas high efficiency water heater

A water heater and gas technology, which is applied to the conversion of rated parameters of high-efficiency gas instant water heaters, and the field of gas-fired high-efficiency water heaters with variable elevation, to achieve the effect of avoiding waste of energy

Inactive Publication Date: 2007-04-18
A O SMITH CHINA WATER HEATER CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The thermal efficiency of the above-mentioned existing gas instant water heaters cannot all reach the maximum ideal state under different power outputs, so the indicators specified in the above standards cannot be reached

Method used

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  • Fuel gas high efficiency water heater litre level changing method and variable litre level fuel gas high efficiency water heater
  • Fuel gas high efficiency water heater litre level changing method and variable litre level fuel gas high efficiency water heater
  • Fuel gas high efficiency water heater litre level changing method and variable litre level fuel gas high efficiency water heater

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Embodiment 1

[0021] The gas-fired high-efficiency water heater with variable elevation in this embodiment is designed according to the above-mentioned variable elevation method. The structure is shown in FIG. A water flow sensor 5 and a water valve 6 are connected above the water inlet joint. A combustion chamber 9 is arranged below the heat exchanger, and an ignition head on one side of the combustion chamber 9 is electrically connected to an igniter 10 via a transformer 12 . A controller 7 is installed on one side of the housing. A row of combustion heads is housed in the combustion chamber 9. These structures are basically the same as the prior art.

[0022] Each combustion head in the combustion chamber 9 is respectively connected to the corresponding gas distribution nozzle 8-1 in the gas distribution chamber 8. The structure of the distributing chamber is shown in Figure 2. It is divided into left and right air chambers and a uniform air chamber connected to the lower part. There ...

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Abstract

In the casing of the gas rapid water heater is mounted a heat-exchanger with a water intake and a discharge tube. Under the heat-exchanger is set a combustion chamber, in which is mounted a burner connected with gas-distributing nozzles separately. A variable-speed fan is mounted under the combustion chamber. The gas-distributing nozzles are divided into at least two group of the gas-distributing nozzles is connected with the gas source separately through the air intake distributing valve. When used, by switching the air intake distributing valve, it is at least realized that the group with a smaller number of combustion nozzles is independent gas-fed for burning and the group with a larger number of combustion nozzles is also independent gas-fed for burning.

Description

technical field [0001] The invention relates to a method for changing the rated parameters of a high-efficiency gas instant water heater, in particular to a method for changing its power, that is, a step-up conversion method, and also relates to a gas-fired high-efficiency water heater with variable rise, which belongs to the technical field of gas appliances. Background technique [0002] According to the applicant's knowledge, the medium and low-grade gas instant water heaters currently on the market basically adopt segmented combustion technology. The output power of the water heater varies. In this way, the user can choose different power outputs (or firepower) of the water heater according to his demand for hot water when using the water heater. [0003] Studies have shown that the thermal efficiency of this type of water heater can reach the maximum ideal state when it works under the rated power condition, but when it works under other power conditions, the thermal e...

Claims

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Application Information

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IPC IPC(8): F24H9/18F24H9/20F24H1/00
Inventor 邱步刘宝林鞠平田刚
Owner A O SMITH CHINA WATER HEATER CO LTD
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