Multi-layer water heating device

Abstract

The invention discloses a multi-layer water heating device, which comprises a water outlet pipeline, a bottom layer water boiling tank, a middle water transfer tank and a high layer water storage tank, wherein the middle water transfer tank is respectively provided with a water supply mouth and a water outlet mouth; the water supply mouth is located above the water outlet mouth; the water supply mouth is connected to the high layer water storage tank; the water outlet mouth is connected to the bottom layer water boiling tank; and one end of the water outlet pipeline is set on the bottom layer water boiling tank and extends to an inner cavity bottom wall next to the bottom layer water boiling tank, and the other end thereof extends outside the water boiling tank. According to the invention, three-layer structure from up to down is utilized; water in the high layer water storage tank at the upper most layer flows again into the bottom layer water storage tank through the middle water transfer tank and the water is heated; water flows freely from up to down, so complex structures like a water pump and water balance tank are avoided; the whole structure of the product is simpler and reasonable; further, boiled water in the bottom layer water boiling tank is discharged from the water outlet pipeline for drinking; the water is supplied to the water boiling tank by the middle water transfer tank; after the water inside the water boiling tank is boiled, the water is discharged from the water outlet pipeline, thus the hot water output volume is ensured to be large enough; and the requirement of large amount drinking is satisfied.

Description

technical field [0001] The invention relates to a water heating device, in particular to a novel multi-layer water heating device. Background technique [0002] Existing water heating devices have various structures and styles, such as instant drinking water heating devices, including water storage tanks, water pumps, balance water tanks, instant heating pipeline heaters (such as: quartz glass electric heating tubes) and water spouts, etc. , the water pump pumps the water in the water storage tank into the balance water tank, a part of the water in the balance water tank flows back into the water storage tank, and the other part is sent to the instant pipeline heater, and finally flows out from the water outlet; the instant drinking water heating device with the above-mentioned traditional structure , there are the following deficiencies: (1) There are many accessories involved, resulting in complex structure and cumbersome installation; (2) The height of the balance water t...

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Problems solved by technology

[0002] Existing water heating devices have various structures and styles, such as instant drinking water heating devices, including water storage tanks, water pumps, balance water tanks, instant heating pipeline heaters (such as: quartz glass electric heating tubes) and water spouts, etc. , the water pump pumps the water in the water storage tank into the balance water tank, a part of the water in the balance water tank flows back into the water storage tank, and the other part is sent to the instant pipeline heater, and finally flows out from the water outlet; the instant drinking water heating device with the above-mentioned traditional structure , there are the following deficiencies: (1) There are many accessories involved, resulting in complex structure and cumbersome installation; (2) The height of the balance water tank is required to be close to the water outlet of the instant pipeline heater, so that the instant pipeline heater The water level in the pipe is close to the water outlet, the water in the pipe is heated to boiling, and the boiling water in the pipe can be easily overflowed by the boiling force. Therefore, the position setting of the balance water tank is relatively restricted, thereby restricting the internal structure of the product, resulting in the water storage tank. Water cannot flow naturally from high to low, but needs to be equipped with a water pump to pump water. Therefore, the product is larger in size and higher in cost, which is not conducive to the popularization and use of the product; (3) instant heating pipeline heaters, such as: quartz glass heating tubes , the outflow of hot water (boiling water) is small, which cannot meet the user’s demand for large flow of boiling water; (4) part of the water in the balance tank will flow back into the water storage tank, and the other part will flow into the instantaneous pipeline heater. The water flowing into the storage tank, which is susceptible to contamination,

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