Modular runner structure used for directly electrically heating element and installation method of modular runner structure
An electric heating element, modular technology, applied in the direction of heating element materials, ohmic resistance heating parts, etc., to achieve the effect of easy disassembly and replacement, ensuring safety, and stable flow channel structure
Active Publication Date: 2015-03-25
NUCLEAR POWER INSTITUTE OF CHINA
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the shortcomings and deficiencies of the above-mentioned prior art, and provide a modular flow channel structure for direct electric heating elements. The modular flow channel structure is not prone to leakage problems, and the installation is simple and convenient; the present invention The invention also provides the modular runner structure and its installation method
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[0030] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0031] Such as figure 1 As shown, the modular channel structure for direct electric heating elements includes a plurality of cylindrical ceramic segments 1, and the center of the ceramic segments 1 is provided with a rectangular cross-section for fluid flow and installation of electric heating elements. In the flow channel, a plurality of ceramic segments 1 are arranged along the direction of fluid flow, the front end of the latter ceramic segment 1 is connected to the rear end of the previous ceramic segment 1, and the outer wall of the joint between two adjacent ceramic segments 1 is provided with a Metal clamping and positioning ring 2, the metal clamping and positioning ring 2 is a circular ring, which sleeves and fixes the contacting ends of the two ceramic segments 1 the...
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The invention relates to the technical field of thermodynamic test devices, and particularly discloses a modular runner structure used for directly electrically heating an element and an installation method of the modular runner structure. The modular runner structure comprises a plurality of ceramic sections, a runner for flowing of fluid and installation of an electrical heating element is arranged in the center of each ceramic section, the multiple ceramic sections are distributed in the flowing direction of the fluid, the front end of a later ceramic section is connected with the rear end of a former ceramic section, the outer wall of the joint of every two adjacent ceramic sections is sleeved with a metal clamping positioning ring, and each ceramic section is formed by splicing two identical ceramic parts. According to the modular runner structure, the runner structure is made of ceramics, a heating element and a peripheral pressure-bearing metal part are treated in an isolation and insulation mode, and the runner structure is designed to be of a modular structure and is convenient to detach and replace. Each module is provided with a clamping groove, a protrusion and other positioning structures, it is guaranteed that the whole runner structure is not deformed, the runner structure is stable and has a self-clamping function at high temperature, and it is guaranteed that the runner is not prone to flow leakage.
Description
technical field [0001] The invention relates to the technical field of thermal test devices, in particular to a modular flow channel structure for direct electric heating elements and an installation method thereof. Background technique [0002] In nuclear energy, thermal power test research or other chemical thermal test research, it is often necessary to use electric heating to simulate nuclear heat release or other heating methods. In this test simulation body structure, direct electric heating is generally used to generate heat. The outer cylinder of the test simulation body generally needs to withstand a certain pressure and adopts a metal structure. Therefore, in this case, the direct heating element is easy to contact with the surrounding pressure-bearing metal structure Contact causes insulation failure. [0003] In order to avoid the occurrence of the above situation, in the existing test simulation bodies, materials such as thin ceramic sheets or quartz glass shee...
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IPC IPC(8): H05B3/10H05B3/02
Inventor 朱海雁闫晓李永亮臧金光黄彦平肖泽军
Owner NUCLEAR POWER INSTITUTE OF CHINA