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Patent

Gas heater with instant hot water

Song Jingtao, +1 more
TLDR
In this paper, a gas heater with instant hot water and a furnace body is presented, where an electric heating device, a water pump, a hot water inlet pipe, and an inner baffle plate are arranged in a water tank of the gas heater, and a big-small pipe switching tee joint is arranged on the hot water outlet pipe.
Abstract
The invention provides a gas heater with instant hot water, which comprises a device with instant hot water and a furnace body, wherein an electric heating device, a water pump, a hot water inlet pipe, a hot water outlet pipe, and an inner baffle plate are arranged in a water tank of the device with instant hot water; the inner baffle plate is positioned above the electric heating device; a first water temperature inductor is arranged on a wall of the water tank; a big-small pipe switching tee joint is arranged on the hot water outlet pipe; the small-big pipe switching tee joint is communicated with a water outlet tap; a small pipe is mounted in the hot water outlet pipe; one end of the small pipe is communicated with an water inlet of the water pump, and the other end of the small pipe penetrates a small-big pipe switching tee joint and is positioned in a hot water outlet pipe between the small-large pipe switching tee joint and the water outlet tap; a water outlet of the water pump is communicated with the water tank; a second water temperature inductor is arranged at the water inlet of the water pump. The heater provided by the invention has instant hot water when the water outlet taps are opened, and has the properties of stable and continuous hot water through the mixing and transition effects of a mixing hot water tank. Therefore, not only the comfortable sensation of a use can be improved, but also the purpose of saving water resource is achieved.

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Patent

Gas-fired water heating equipment with pre-heating function

Abstract: The invention provides gas-fired water heating equipment. The gas-fired water heating equipment comprises an outer shell, a combustor, a heat exchanger and a water path assembly, wherein the combustor, the heat exchanger and the water path assembly are arranged in the outer shell. The water path assembly comprises a water inlet pipeline and a water outlet pipeline located on the upper stream and the down stream of the heat exchanger respectively, wherein a water tank is arranged on the water outlet pipeline, and an electric heating device is further arranged in the water tank. The water path assembly further comprises a circulation pipe section connected with a water inlet pipe section of the water inlet pipeline in parallel, and the circulation pipe section is further provided with a circulation water pump. As the circulation water pump is arranged, cold water accumulated in the water tank and a water pipe of the gas-fired water heating equipment is preheated circularly, and a user can immediately obtain hot water when opening a faucet.
Patent

Gas-water circulation system and gas water heater

Dai Yinbao
TL;DR: In this paper, a gas-water circulation system and a gas water heater were proposed to solve the problem of long waiting time for normal operation of a gaswater heater, and meanwhile cold water required for normal operating of the water heater and tap water wasted before the outlet water temperature does not meet the use requirement can be reduced.
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Long-distance water supply, water saving and energy saving shower system

Cheng Yeheng
TL;DR: In this paper, a long-distance water supply, water saving and energy saving shower system is proposed, which consists of a first cold water tank, a hot water tank and a second cold-hot water tank which are arranged in a stepped mode from bottom to top and connected to a three-way valve.
Patent

Circulation apparatus inside unidirectional closed pipeline

Jingtao Song, +1 more
TL;DR: A circulation apparatus inside a unidirectional closed pipeline comprises: a first water pump (200) and a manifold conversion three-way valve (300), and a small-pipe outer interface (301) is connected to an water outlet (201) of the first water outlet as mentioned in this paper.
Patent

Quick-release solar water heating device

TL;DR: In this paper, a quick-release solar water heating device with a U-shaped water pipe and a water pump is presented, where hot water is continuously circulated in the U-shape pipe, and time for waiting for the hot water and water resources are saved.