Temperature control type chemical heat release device and system thereof
A radiator and chemical technology, which is applied in the field of thermal energy storage and release and utilization, can solve the problem of not realizing the automatic control of the exothermic process.
Inactive Publication Date: 2018-06-01
NORTHWEST UNIV
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- Application Information
AI Technical Summary
Problems solved by technology
The existing heat storage device simply realizes the storage and release of energy, but does not realize the automatic control of the exothermic process. Therefore, it is of practical significance to design a controllable chemical exothermic container
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0031] When the output power requirement is 1kw and the circulating water temperature is 50 degrees for 10 hours, 47 kg of CaCl is added 2 For chemical heat storage materials, the water flow rate of the reaction is 0.5g -0.8g per second.
Embodiment 2
[0033] When the output power requirement is 5kw and the circulating water temperature is 50 degrees for 10 hours, 235 kg of CaCl is added 2 For chemical heat storage materials, the reaction water flow rate is 1.2g-1.7g per second.
Embodiment 3
[0035] When the output power requirement is 10kw and the circulating water temperature is 50 degrees for 10 hours, 473 kg of CaCl is added 2 For chemical heat storage materials, the reaction water flow rate is 5.6g-8.1g per second.
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The invention discloses a temperature control type chemical heat release device. The temperature control type chemical heat release device comprises a heat release device body, a heat exchange mediuminlet, a heat exchange medium, a coil pipe, a heat preservation heat insulation layer, a heat storage material and a waste outlet; the heat preservation heat insulation layer is arranged on the outmost layer of the heat release device body, the coil pipe is arranged on the center of the heat release device body, the heat storage material is evenly arranged in the heat release device body in a layered manner, the heat exchange medium inlet and the waste outlet are formed in the top and the lower portion of the heat release device body. The temperature control type chemical heat release device system comprises the temperature control type chemical heat release device, a temperature sensor, a temperature controller, a flow meter and a PID controller; according to heat release devices with different power needs, according to a provided design method, the chemical heat storage material amount can be estimated, the chemical heat storage material is evenly arranged in a container in a layeredmanner, and through control over the heat release process, economic heat energy storage and safe use can be achieved.
Description
technical field [0001] The invention relates to a temperature-control type chemical radiator and a system thereof, belonging to the field of thermal energy storage, release and utilization. Background technique [0002] Compared with sensible heat storage and phase change heat storage, chemical heat storage has the characteristics of high heat storage density, wide application temperature range, large amount of working fluid, reliable storage, etc., and has potential development potential. The premise of using chemical heat storage method for heat storage is: (1) high heat storage density; (2) good reversibility; (3) fast absorption and exothermic chemical reactions; (4) repeated operations for the separation of reaction products and Side reactions have no effect; (5) reactants and products are non-toxic, non-flammable, non-corrosive or corrosion-controllable; (6) low cost and good economic performance. [0003] Chemical heat storage is a technology that people are currentl...
Claims
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IPC IPC(8): F28D20/00F28F27/00
CPCF28D20/003F28F27/00Y02E60/14
Inventor 郑茂盛滕海鹏魏利平曹改瑜
Owner NORTHWEST UNIV