Circular preheating system

Abstract

The invention provides a circulating preheating system, comprising a water heater, a cold water pipe and a hot water pipe respectively connected to both sides of the water heater, and a circulating preheating device connected to the hot water pipe; the circulating preheating device It includes a heating mechanism, a preheating water inlet pipe and a preheating water outlet pipe respectively connected to both ends of the heating mechanism, and a circulating water pump arranged on the preheating water inlet pipe; the preheating water inlet pipe and the preheating water outlet pipe are respectively connected There are two hot water pipes, and the preheating water inlet pipe, heating mechanism, preheating water outlet pipe, hot water pipe, and preheating water inlet pipe are connected in sequence to form a circulating preheating pipeline. The circulation preheating system provided by the present invention can not only realize hot water immediately after starting up, but also can be used in conjunction with ordinary gas water heaters, which is convenient for promotion in the market and improves the popularity and environmental applicability of the product.

Description

technical field [0001] The invention relates to the technical field of water supply, in particular to a circulating preheating system. Background technique [0002] Ordinary gas water heaters need to wait for a period of time before they can produce hot water. This has always been one of the biggest pain points plaguing the gas water heater industry. It not only affects the use comfort of users, but also wastes water resources, which has become a problem that the industry needs to solve urgently. In the traditional technology, a more common solution is to add a circulating water pump inside the ordinary gas water heater, so that the external pipeline and the gas water heater form a circulating water circuit. The cold water is preheated, so as to achieve the function of hot water when the machine is turned on. However, ordinary gas water heaters cannot realize the functions of circulating water flow and preheating in advance because there is no driving water pump inside. T...

AI Technical Summary

Problems solved by technology

However, ordinary gas water heaters cannot realize the function of circulating water flow and preheating in advance because there is no driving water pump inside.

Thereby make adopting this solution and just need to separately develop a brand-new gas water heater model with circulation preheating function, the cost is higher

Moreover, for users who have purchased ordinary gas water heaters, the function of hot water can only be realized by replacing the new gas water heaters with preheating function, and the old gas water heater users cannot be taken into account.

Therefore, this novel gas-fired water heater that realizes instant hot water when starting up is not easy to popularize in the market, and the popularity and environmental applicability of the product are not high.

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