Gas heating hot water furnace and control method
A technology for gas heating and water heaters, applied in heating methods, household heating, household heating, etc., can solve the problem of increasing the noise level of equipment, increasing the wear and blockage of the main heat exchanger, and increasing the power of water pumps for gas heating water heaters Heat dissipation and other issues to achieve the effect of reducing operating noise level, reducing operating noise, and enhancing operating reliability
Pending Publication Date: 2018-12-07
MACRO THERMAL ENERGY TECH
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Problems solved by technology
At this time, the heating circulating water that has been running needs to pass through the main heat exchanger, and it needs to overcome the resistance of the main heat exchanger and the internal copper pipes, so that it needs to consume more electric energy of the water pump and increase the heat dissipation of the gas heating water heater itself during the heating cycle; At the same time, when the heating operation is not heating, the heating circulating water still passes through the main heat exchanger, which increases the possibility of wear and blockage of the main heat exchanger; in addition, when the heating circulating water passes through the internal flow channel of the main heat exchanger, it is easy to generate noise. Increased noise level during equipment operation
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Embodiment 2
[0034]A method for controlling a gas-fired heating water heater, characterized in that a bypass pipe is used to connect the heating return pipe and the heating outlet pipe of the gas-fired heating water heater, and a temperature sensor is used to detect the temperature of the heating water; when the temperature of the heating water reaches the set temperature, the gas heating water heater stops igniting and burning, and makes the water in the heating return pipe flow directly through the bypass pipe to the heating outlet pipe without passing through the heat exchanger. When the temperature of the heating water detected by the temperature sensor is lower than the low temperature threshold, the gas heating water heater ignites and works, and makes the water in the heating return pipe flow through the heat exchanger to the heating outlet pipe without flowing through the bypass pipe.
[0035] This embodiment provides a gas-fired heating water heater control method provided by the p...
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The invention discloses a gas heating hot water furnace. The gas heating hot water furnace comprises a gas heating hot water furnace body, a main heat exchanger arranged on the gas heating hot water furnace body, a heating water outlet pipe and a heating water return pipe connected with the main heat exchanger, and a heating circulating pump. The gas heating hot water furnace is characterized in that the gas heating hot water furnace body is provided with a bypass pipe; the bypass pipe is provided with a first on-off valve; the bypass pipe communicates the heating water return pipe with the heating water outlet pipe; a temperature sensor is arranged on the heating water outlet pipe; a second on-off valve is arranged on the heating water return pipe; the second on-off valve is arranged on apipeline between the bypass pipe and the main heat exchanger; and a controller is connected with the heating circulating pump, the temperature sensor, the first on-off valve and the second on-off valve. The gas heating hot water furnace has the characteristics of good reliability, low operation noise and good energy conservation. The invention further provides a control method of the gas heatinghot water furnace.
Description
technical field [0001] The invention relates to the technical field of fluid heaters, in particular to a gas heating water heater and a control method. Background technique [0002] When the existing gas heating water heater uses the heating function for heating in winter, no matter whether the gas heating water heater is burning or not, the heating circulating water pump is always running, and the heating circulating water needs to pass through the gas heating water heater. main heat exchanger. The gas heating water heater will stop burning after the heating temperature reaches the usage requirement. At this time, the heating circulating water that has been running needs to pass through the main heat exchanger, and it needs to overcome the resistance of the main heat exchanger and the internal copper pipes, so that it needs to consume more electric energy of the water pump and increase the heat dissipation of the gas heating water heater itself during the heating cycle; A...
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IPC IPC(8): F24D15/00F24D19/10
CPCF24D15/00F24D19/1006
Inventor 张贵元汪为彪李涛艾穗江
Owner MACRO THERMAL ENERGY TECH