Efficient temperature stratification heat exchange energy storage water tank with internally arranged phase change thermal storage materials
A phase change heat storage material and temperature stratification technology, which is applied in household heating, household heating, heating methods, etc. Effective heat storage capacity, reducing inlet and outlet disturbances, and improving comfort
Inactive Publication Date: 2013-05-08
LANZHOU UNIVERSITY OF TECHNOLOGY
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Although temperature stratification can be formed, the formed temperature stratifica
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[0010] Such as figure 1 , figure 2 as shown, The present invention is a high-efficiency temperature layered heat exchange energy storage water tank with built-in phase change heat storage materials. The hot water tank is divided into three layers, which are high temperature zone, medium temperature zone and low temperature zone from top to bottom. A baffle plate 11 is respectively arranged at the entrance and exit, and the structure of the baffle plate 11 is as follows: Figure 4 , Figure 5 shown. There is an exhaust valve 15 and a drain valve 16 on the tank. The high-temperature hot water from the heat collector enters the heat exchange coil 2 through the heat exchange coil inlet 5, and in the hot water storage tank 1, it is connected with the upper and middle heat storage tanks in sequence. The medium, that is, water and high-temperature phase-change heat storage bulbs 12 and medium-temperature phase-change heat storage bulbs 13 perform layered heat exchange, and f...
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An efficient temperature stratification heat exchange energy storage water tank with internally arranged phase change thermal storage materials comprises an energy storage tank body, layered heat exchange coils, inlet and outlet baffle plates and thermal storage balls, wherein the phase change thermal storage materials are arranged inside the thermal storage balls, a gas exhaust valve and a blow-down valve are arranged on the energy storage tank body, a water inlet of a heat exchanger, an inlet of a hot water pipe coming from a heat collector, and hot water outlets heading to users are located on the upper portion of the energy storage tank body, and a water outlet of the heat exchanger, low-temperature water inlets from the users, and low-temperature water outlets heading to the heat collector are located on the lower portion of the energy storage tank body. The efficient temperature stratification heat exchange energy storage water tank with the internally arranged phase change thermal storage materials is characterized in that the heat exchange coils are arranged in three layers inside the energy storage tank body and divide the energy storage tank body into three layers, the three layers are a high temperature region, a medium temperature region and a low temperature region sequentially from top to bottom, the phase change thermal storage materials are encapsulated inside the small thermal storage balls, a certain space is left in each thermal storage ball for size changes, when heat is stored, the phase change thermal storage materials turn into the liquid phase from the solid phase, and when the heat is discharged, the phase change thermal storage materials change reversely. All the inlets and the outlets directly connected with the energy storage tank body are provided with the inlet and outlet baffle plates.
Description
technical field [0001] The invention relates to the field of solar heat storage and heating, in particular to water energy storage technology, phase change energy storage technology and high-efficiency temperature layered heat exchange energy storage device. Background technique [0002] Solar heat storage heating is one of the more mature and effective solar energy utilization methods at present. The whole system mainly includes three parts: heat collection, heat storage and users. Among them, the energy storage device has the function of energy storage and adjustment in the system. A key component of a solar heating system. [0003] On the one hand, the temperature stratified heat storage can reduce the inlet temperature of the collector and improve the efficiency of the collector, on the other hand, the position of the stratification can be designed according to the user's water temperature and water consumption to improve the effective heat storage. Therefore, this ene...
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Inventor 王智平陈丹丹路阳王克振赵静郭长华刘建波熊文嘉田和青王军伟成波陆鑫
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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