Heat-preserving water tank for solar water heater
A technology of solar water heater and thermal insulation water tank, which is applied in the directions of solar thermal power generation, solar thermal device, heating device, etc., can solve the problems of heat loss and weakened thermal insulation effect, and achieve the effect of preventing heat loss and preventing damage.
Inactive Publication Date: 2010-12-22
开县宇霏新能源有限公司
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Problems solved by technology
But, because the air outlet is set on the water tank, when the temperature in the water tank is higher than the atmospheric temperature outside the water tank, the hot water vapor in the water tank will get rid of the air outlet, thus causing heat loss and weakening the heat preservation effect.
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Embodiment Construction
[0013] attached figure 1 It is a structural schematic diagram of the present invention; figure 2 for figure 1 Enlarged view of part A in . As shown in the figure, an insulated water tank for a solar water heater includes a water tank body 1 , a water inlet pipe 2 and a water outlet pipe 3 , and the water tank body is provided with a pressure limiting valve for exhaust. The opening and closing of the pressure limiting valve is controlled by the pressure inside the water tank, thereby controlling the temperature of the water tank. When the temperature of the water tank is low and the pressure is low, the pressure limiting valve remains closed to prevent heat loss caused by the outflow of hot steam; when the temperature of the water tank exceeds a predetermined value , the pressure limiting valve is flushed open under the action of the pressure inside the water tank to remove excess heat, prevent damage to the water tank caused by excessive pressure inside the water ta...
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The invention provides a heat-preserving water tank for a solar water heater. The water tank comprises a water tank body, a water inlet pipe and a water outlet pipe, wherein the water tank body is provided with a pressure limiting valve for exhausting air. In the heat-preserving water tank for the solar water heater of the invention, the water tank is provided with the pressure limiting valve and the opening and closing of the pressure limiting valve are controlled through pressure intensity in the water tank, so that the temperature of the water tank is controlled. When the temperature of the water tank and the pressure intensity are low, the pressure limiting valve is kept closed, so that heat loss caused by leakage of hot steam is prevented; and when the temperature of the water tank surpasses a preset value, the pressure limiting valve is opened under the action of pressure in the water tank and redundant hot air is exhausted, so that damage to the water tank caused by excessively high pressure intensity in the water tank is prevented and the aims of heat preservation and overpressure protection are fulfilled.
Description
technical field [0001] The invention relates to a component of a solar water heater. Background technique [0002] As a new energy source, solar energy is inexhaustible and inexhaustible. At the same time, because solar energy is a clean energy source, it will not produce waste residue, waste water, waste gas, and noise during development and utilization, and will not affect the ecology. Balanced, it will never cause pollution and public nuisance, so it is widely favored by people today when environmental protection is advocated. The most common development and utilization of solar energy is solar water heaters. Especially in the vast rural areas, solar energy, as an energy-saving and environmentally friendly water heater, has entered thousands of households. Its main principle is to use collectors to collect sunlight and convert it into heat energy, and heat water and store it in an insulated water tank for people to use. In order to protect the overpressure of the heat p...
Claims
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IPC IPC(8): F24J2/46F16K15/02
CPCY02E10/40
Inventor 刘明超
Owner 开县宇霏新能源有限公司