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Application of heat phase change heat storage material in movable multifunctional heat storage device

A heat storage material and heat storage device technology, applied in the direction of heat exchange materials, heat storage equipment, heat exchanger types, etc., can solve the problems of waste heat waste, low energy utilization level, etc., and achieve efficient heat output and storage. Transfer and utilization, the effect of excellent phase change heat storage performance

Inactive Publication Date: 2019-05-14
山东知能新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The level of energy utilization in my country's power plant and boiler heating industry is low, especially for medium and low temperature heat sources, waste heat is seriously wasted

Method used

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  • Application of heat phase change heat storage material in movable multifunctional heat storage device
  • Application of heat phase change heat storage material in movable multifunctional heat storage device
  • Application of heat phase change heat storage material in movable multifunctional heat storage device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] like figure 1 As shown, this embodiment provides a mobile multifunctional heat storage device, which includes an outer shell 1, an inner shell 2, an insulation layer 4, four heat storage units 3 of thermal phase change heat storage materials, and a temperature measuring device 5 And the sliding buckle6. The outer casing 1 and the inner casing 2 are nested with each other, and the heat insulation layer 4 is arranged between the outer casing 1 and the inner casing 2 to prevent heat loss of the movable multifunctional heat storage device. Four heat storage units 3 of thermal phase change heat storage materials are evenly distributed in the inner casing 2 with gaps between them. The temperature measuring device 5 is connected with the heat storage unit 3 of the thermal phase change heat storage material, and is used for detecting the temperature of the heat storage unit 3 of the thermal phase change heat storage material. The sliding buckle 6 is arranged on the outer side...

Embodiment 2

[0047] 1) Preparation of porous bacterial cellulose: Cut the bacterial cellulose BC soaked in deionized water to pH = 7 into small pieces (about 1×1cm), clean the pieces and put them in the refrigerator to freeze and freeze-dry 24 h. The obtained samples were placed in a tube furnace under N 2 Under protected conditions, the temperature was programmed to heat carbonization, and the temperature was raised to 350 °C at a rate of 1.5 °C / min for 1 h, and then the temperature was raised to 800 °C at a rate of 3 °C / min for 2 h to obtain porous bacterial cellulose . The schematic diagram of its preparation process is shown in figure 2 As shown, the electron micrograph of porous bacterial cellulose after high temperature carbonization is as follows image 3 shown.

[0048] 2) Weigh 0.5 gBa(OH) 2 ·8H 2 O into the cup, add a small amount of deionized water (the deionized water is just enough to wet the solid particles), and then heat it in a common box at 80°C for 2 hours to make...

Embodiment 3

[0050] 1) Preparation of porous bacterial cellulose: Cut the bacterial cellulose BC soaked in deionized water to pH = 7 into small pieces (about 1×1cm), clean the pieces and put them in the refrigerator to freeze and freeze-dry 24 h. The obtained samples were placed in a tube furnace under N 2 Under protected conditions, the temperature was programmed to heat carbonization, and the temperature was raised to 350 °C at a rate of 1.5 °C / min for 1 h, and then the temperature was raised to 800 °C at a rate of 3 °C / min for 2 h to obtain porous bacterial cellulose .

[0051] 2) Weigh 0.5 g Na 2 SO 4 ・10H 2 O is put into the cup, add a small amount of deionized water (the deionized water is just enough to wet the solid particles), and then heat it at 80 ° C for 2 hours in a common box to make Na 2 SO 4 ・10H 2 O was completely melted, then 0.08 g of surfactant OP-10 was added, and ultrasonically dispersed for 30 min to form a stable emulsion. Add 0.5 g of porous bacterial cellu...

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Abstract

The invention discloses an application of a heat phase change heat storage material in a movable multifunctional heat storage device and belongs to the technical field of energy-saving devices. The movable multifunctional heat storage device comprises an outer shell, an inner shell, an insulating layer arranged between the outer shell and the inner shell, a plurality of composite phase change heatstorage material heat storage units which are embedded onto the inner side of the inner shell and are arranged in a spaced manner, a temperature measuring device connected to the phase change heat storage material heat storage units and a sliding buckle arranged on the outer side of the outer shell. Heat exchange pipelines are arranged in the phase change heat storage material heat storage unitsand in gaps between the phase change heat storage material heat storage units. The movable multifunctional heat storage device stores heat by heat transfer modes of radiation and convection. By movingthe movable multifunctional heat storage device to a user location, heat can be supplied and output efficiently. By means of simple integration, the whole heat storage ability is improved, and storage, transfer and utilization of radiating residual heat are achieved further.

Description

technical field [0001] The invention relates to the technical field of phase-change heat storage materials and energy-saving devices, in particular, it relates to the application of a thermal phase-change heat storage material in a movable multifunctional heat storage device. Background technique [0002] The energy utilization level of my country's power plant and boiler heating industry is relatively low, especially for medium and low temperature heat sources, waste heat is seriously wasted. How to use these low-grade industrial waste heat for rural and urban heating has very important practical significance for northern cities shrouded in smog. Considering the variety of low-taste waste heat, its heat source form, quantity, time and space have great uncertainty and instability. Therefore, a technology and device for efficiently utilizing low-taste waste heat are needed. Among them, thermal phase change energy storage technology is a method to effectively realize the effi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/06F28D20/02
CPCC09K5/063F28D20/021F28D20/02Y02E60/14
Inventor 杨勇赵磊
Owner 山东知能新能源科技有限公司
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