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Water heater

A water heater and hot water supply technology, applied in water heaters, fluid heaters, heat pumps, etc., can solve the problems of short service life of the water treatment unit and large water treatment capacity

Inactive Publication Date: 2004-06-23
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] But, the problem that the above-mentioned existing invention exists is, because will process with heat exchanger 304 ( image 3 ) and all the water heated by the heat exchanger 405 (Fig. 4), so the nuclear generating mechanism 303 ( image 3 ) and the acidic water mechanism 403 (Fig. 4) have a large amount of water treatment, and the life of the water treatment part is short

Method used

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Embodiment 1

[0023] like figure 1 As shown, Embodiment 1 of the present invention consists of the following parts: electrolyzed water unit 101; hot water supply heat exchanger 102; water supply three-way valve 103; on-off valve 104; on-off valve 105; The compressor 107 , the expansion valve 108 , the evaporator 109 , and the hot water supply heat exchanger 102 constitute the vapor compression heat pump cycle system. What is equivalent to the heat source is a vapor compression heat pump cycle system composed of a compressor 107, an expansion valve 108, an evaporator 109, and a hot water heat exchanger 102, and what is equivalent to a heat exchange mechanism for heating and supplying water is a hot water heat exchange system. The device 102 is the electrolyzed water unit 101 corresponding to the electrolyzed water generating mechanism.

[0024] The electrolyzed water unit 101 has a structure in which an anode 111 and a cathode 113 are separated by a diaphragm 115 , and acidic water 112 is ...

Embodiment 2

[0039] like figure 2 As shown, Embodiment 2 of the present invention consists of the following parts: an electrolyzed water unit 101; a hot water supply heat exchanger 102; a water supply three-way valve 103; a compressor 107 for forming a vapor compression heat pump cycle system; An expansion valve 108 , an evaporator 109 , an ion exchange unit 201 , an on-off valve 204 , and an on-off valve 205 . What is equivalent to the heat source is a vapor compression heat pump cycle system composed of a compressor 107, an expansion valve 108, an evaporator 109, and a hot water heat exchanger 102, and what is equivalent to a heat exchange mechanism for heating and supplying water is a hot water heat exchange system. The device 102 corresponds to the ion exchange unit 201 as an ion exchange mechanism.

[0040] The ion exchange unit 201 is equipped with a cation exchanger 202 corresponding to a cation removal mechanism and an anion exchanger 203 corresponding to an anion removal mechani...

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PUM

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Abstract

Provided is a water heater with a water treatment part having a longer life, suppressing the degradation of performance due to the deposition of scales and the occurrence of troubles due to water clogging by using electrolytic water for scale removing operation of a heat exchanging means or regenerating operation of an ion removing means to reduce the treatment amount of water.The water heater comprises a heat source, the heat exchanging means for heating supplied water, and the electrolytic water creating means. Water created by the electrolytic water creating means is used in performing the operation of removing scales containing mainly salt precipitated in a water tube of the heat exchanging means.

Description

technical field [0001] The present invention relates to a water heater capable of automatically removing scale such as calcium carbonate generated in a water pipe of a heat exchanger, or performing automatic regeneration of an ion removal device for supplying water, and capable of suppressing the occurrence of scale due to adhesion. degraded performance or failure due to clogged waterways. Background technique [0002] As is well known, conventionally, salts such as calcium carbonate, which are so-called scale, mainly adhere to water pipes of water heaters. The reason is that as the water temperature rises, the saturation solubility of calcium carbonate decreases, and it cannot be dissolved and precipitated. Especially at the outlet near the heat exchanger where the temperature rises, scale is prone to occur. Due to the adhesion of the scale, the actual cross-sectional area of ​​the heat exchanger outlet channel decreases with time, not only the efficiency of the heat excha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/00C02F1/42C02F1/46C02F1/461C02F5/02C02F5/08F24D19/00F24H9/00F25B1/00F25B30/02F28G9/00
CPCC02F2001/422C02F1/4602C02F2001/425C02F1/4618C02F5/025F24D19/0092C02F2209/06C02F5/08F24H9/00
Inventor 川邉义和中谷和生井上雄二冈座典穗佐藤成广
Owner PANASONIC CORP