Thermal bimetal-plate overheating protective device of solar thermal system

A technology of thermal bimetallic strips and bimetallic strips, which is applied in the field of thermal bimetallic strip overheating protection devices in solar thermal systems, can solve the problems of system heat waste and high cost, prevent tube explosion, reduce superheat, protect safety and The effect of stability

Active Publication Date: 2014-07-30
江苏元升太阳能集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above thermal protection is either costly or wastes system heat

Method used

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  • Thermal bimetal-plate overheating protective device of solar thermal system

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Embodiment Construction

[0011] Depend on figure 1 As can be seen from the shown structural diagram, the thermal bimetal overheat protection device of the solar thermal system of the present invention consists of a thermal bimetal, a hot steam connecting pipe 1, a push rod 7, a sealing washer 8, a push rod return spring 12, and an exhaust port 9 , The valve body 11 and the valve cover 13 are composed.

[0012] The thermal bimetal consists of the thermal bimetal 4 and the thermal bimetal 5. The upper limit end of the thermal bimetal is respectively connected with the upper baffle 6 and the lower side 3, and the upper side 6 and the lower side 3 are pairs of thermal bimetals. The sheet is positioned, the arc center of the hot bimetal sheet is on the same axis as the center of the ejector rod 7, and a hot steam connecting pipe 1 is arranged at the lower end of the lower baffle plate 3.

[0013] A sealing gasket 8 is connected to the ejector rod 7, and the sealing gasket 8 is fixed on the ejector rod 7 a...

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Abstract

The invention relates to a thermal bimetal-plate overheating protective device of a solar thermal system. The device comprises a thermal bimetal plate, an ejecting rod, a sealed gasket, an ejecting rod returning spring, a gas discharging outlet, a valve body and a valve cover, wherein the thermal bimetal plate is positioned through a baffle, the arc-shaped circular center of the thermal bimetal plate and the center of the ejecting rod are coaxial, the ejecting rod is connected to the sealed gasket, the ejecting rod returning spring is arranged at the upper end of the ejecting rod, the ejecting rod is fixed axially through a guide sleeve, a gas port is located at the right end of a gas chamber formed by the guide sleeve, and the upper end of the valve body is connected to the valve cover in a sealing mode. The device has the advantages that when a solar collecting system is in a stagnation state or in an overheating state, the overheating gas of the system can be discharged automatically, the overheating degree of the system is reduced, the phenomenon that pipes of a heat collector of a heat collecting system explode is solved, and the operation safety and stability of the system is protected.

Description

technical field [0001] The invention relates to an overheat protection device for a thermal bimetal sheet in a solar thermal system. Background technique [0002] For solar thermal collection systems, usually when there is sufficient sunlight and the heat collected by the thermal collection system has not been used for a long time, the solar thermal collection system may be suffocated, which brings certain troubles to the solar thermal collection system. How to properly Solving the problem of overheating in summer has obviously become one of the key technologies for popularizing and utilizing solar thermal utilization systems. At present, the overheating protection measures mainly include adding an expansion tank to the system to quickly discharge the superheated liquid from the collector to the expansion tank, or discharge the remaining heat to the ambient air and the underground coil. The above-mentioned overheating protection either costs too much, or causes waste of sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/46
CPCY02E10/40
Inventor 杨前明吴道元李亭倪亚军
Owner 江苏元升太阳能集团有限公司
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