air-proof water heater
A technology for water heaters and hot water, which is applied to solar collectors, solar collectors using working fluids, and fluid circuit connections of solar collectors. Problems such as the aging of heat collecting tubes, to improve the use safety and replacement cycle, increase the initial hot water output speed, and reduce production costs
Inactive Publication Date: 2018-12-04
ANHUI RENRENJIA SOLAR ENERGY
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Problems solved by technology
[0002] A water heater is a tool that provides hot water for a limited range. After years of development, water heaters are divided into the following categories: storage electric water heaters, instant electric water heaters, instant electric water heaters, gas water heaters, solar electric water heaters and air Source water heaters; Among them, solar water heaters are favored by users for their advantages of environmental protection, energy saving, and convenience; traditional solar water heaters heat water bodies through heat collecting tubes, and use thermosiphon effects to heat water bodies and send them to water storage tanks; Replenish water to the water storage tank to meet daily use; but when the user forgets to fetch water, the heat collecting tube will be in a hollow state, and as the light continues and strengthens, the heat collecting tube will continue to heat up. Aging and damage due to air drying, the coating on the heat collecting tube will also fall off, which will greatly shorten the service life of the water heater, and even cause safety accidents
Method used
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Embodiment
[0014] exist figure 1 , figure 2 In the shown embodiment, the air-proof water heater includes a transparent tube 1, a heat collecting tube 2 and a water storage tank 3; a drain pipe 31 is installed on the upper part of the water storage tank 3, and a water inlet pipe 32 is installed on the lower part of the water storage tank 3 Each of the transparent tubes 1 is sleeved on the outside of each of the heat collecting tubes 2 in one-to-one correspondence, and each of the heat collecting tubes 2 is installed on the water storage tank 3 in parallel and equidistant; the upper end of each of the heat collecting tubes 2 is divided into two A connected branch pipe, the two branch pipes are respectively a diversion tube 21 and a sun protection tube 22; the diversion tube 21 communicates with the water storage tank 3, and the sun protection tube 22 communicates with the sun protection cylinder 4 located at the bottom of the water storage tank 3; A one-way valve 221 that only allows wat...
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The invention relates to an empty-solarization-preventing water heater. The empty-solarization-preventing water heater comprises transparent tubes, heat collecting tubes and a water storage tank. The upper end of each heat collecting tube is divided into two branch tubes communicating with each other, wherein the two branch tubes are the flow guide tube and the solarization preventing tube. The flow guide tubes communicate with the water storage tank, and the solarization preventing tubes communicate with a solarization preventing barrel located on the lower portion of the water storage tank. A one-way valve only allowing water to flow out from the solarization preventing barrel is installed in each solarization preventing tube. The top of the solarization preventing barrel communicates with the water storage tank. A piston plate capable of freely sliding along the axis of the solarization preventing barrel is installed in the solarization preventing barrel. The piston plate is connected with the bottom of the solarization preventing barrel through a compression spring. The bottom of the solarization preventing barrel further communicates with a constant pressure water supplementation tube. The water heater can always keep water stored in the heat collecting tubes and effectively protect the heat collecting tubes against empty solarization so as to protect the heat collecting tubes, and the service life of the water heater is prolonged.
Description
technical field [0001] The invention relates to a water heater, in particular to a water heater capable of preventing heat collecting tubes from drying out. Background technique [0002] A water heater is a tool that provides hot water for a limited range. After years of development, water heaters are divided into the following categories: storage electric water heaters, instant electric water heaters, instant electric water heaters, gas water heaters, solar electric water heaters and air Source water heaters; Among them, solar water heaters are favored by users due to their advantages of environmental protection, energy saving, and convenience; traditional solar water heaters heat water bodies through heat collecting tubes, and use thermosiphon effects to heat water bodies and send them to water storage tanks; Supplement water to the water storage tank to meet daily use; but when the user forgets to fetch water, the heat collecting tube will be in a hollow state, and as the...
Claims
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IPC IPC(8): F24S10/40F24S10/70F24S80/30
CPCY02E10/44
Inventor 胡振华
Owner ANHUI RENRENJIA SOLAR ENERGY