An electric heater for high temperature energy storage
By using a snap-fit structure with multiple ceramic discs and positioning support components in the heater, combined with thermocouple temperature detection and power adjustment, the problem of uneven heating of the molten salt pipe at high temperatures is solved, achieving uniform heating and component protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGSHU TUTCO HEAT FLOW SYST MFG
- Filing Date
- 2025-06-17
- Publication Date
- 2026-07-17
AI Technical Summary
Existing heaters are prone to expansion and deformation when heating long molten salt pipes, resulting in uneven heating.
It employs multiple sets of first ceramic discs and positioning support components, and achieves rapid and equidistant installation through a snap-fit structure. It combines thermocouple temperature detection with power adjustment to avoid contact between heating components, protect the heating components from the effects of thermal expansion, and uniformly heat the air through heating wires.
It achieves uniform heating of molten salt pipelines in high-temperature environments, protects heating components from damage, ensures precise temperature control, and avoids uneven heating.
Smart Images
Figure CN224521189U_ABST
Abstract
Claims
1. An electric heater for high-temperature energy storage, comprising multiple sets of first ceramic discs (1), characterized in that: The first ceramic disc (1) is snapped onto the positioning support component (2), and multiple sets of the first ceramic discs (1) are snapped onto the positioning support component (2) at equal intervals; The positioning support assembly (2) includes a second ceramic disc (21), a support plate (22), a first latch (25) and a second latch (26). One end of each of the two sets of support plates (22) is fixedly connected to the second ceramic disc (21). The support plate (22) is stamped with the second latch (26) and the first latch (25) at equal intervals. The stamping direction of the second latch (26) and the first latch (25) is the same. The first ceramic disc (1) has a horizontal hole (23), and the support plate (22) is slidably connected to the horizontal hole (23). The second ceramic disc (21) is located to the left of the first ceramic disc (1) on the left side. The first ceramic disc (1) has slots (24) at both ends of the horizontal hole (23), and the ends of the support plate (22) that are far away from the first latch (25) and the second latch (26) are respectively inserted into the slots (24). Multiple sets of first ceramic discs (1) are connected to heating components (4) for heating; The first thermocouple (3) for air temperature detection is installed in the middle of the first ceramic disc (1) of the second group from right to left. The second ceramic disc (1) of the second group from right to left is equipped with a second thermocouple (8) for temperature detection of the inner wall of the molten salt pipe.
2. The electric heater for high temperature energy storage of claim 1, wherein, A central through hole (5) is provided at the middle end of the first ceramic disc (1), and the first thermocouple (3) is installed in the central through hole (5) of the first ceramic disc (1) in the second group from right to left.
3. The electric heater for high temperature energy storage of claim 1, wherein, The outer wall of the first ceramic plate (1) is provided with an outer through hole (6) at equal intervals along the circumference. The outer through hole (6) is gourd-shaped and the outer end of the outer through hole (6) is open.
4. The electric heater for high temperature energy storage of claim 3, wherein, The second thermocouple (8) is inserted into a set of outer through holes (6) in the first ceramic disc (1) of the second group from right to left.
5. The electric heater for high temperature energy storage as claimed in claim 4, wherein, The heating assembly (4) includes six sets of first conductive posts (41), one set of conductive rings (42), six sets of heating wires (43), three sets of second conductive posts (44), three sets of arc-shaped conductive plates (45), and six sets of third conductive posts (46). One set of conductive rings (42) is in contact with the left side wall of the first ceramic disk (1) near the second ceramic disk (21). The three sets of second conductive posts (44) are inserted circumferentially into the outer through holes (6) of the second to fourth sets of first ceramic disks (1) from right to left. The end of the second conductive post (44) near the second ceramic disk (21) is fixedly connected to the arc-shaped conductive plate (45). The third conductive posts (46) are symmetrically fixedly connected on one set of arc-shaped conductive plates (45). The third conductive posts (46) and the first conductive posts (41) are fixedly connected to both ends of the heating wires (43). The first conductive posts (41) are fixedly connected to the conductive rings (42). The second conductive posts (44) are connected to the three-phase electrodes of the outside.
6. The electric heater for high temperature energy storage as claimed in claim 5, wherein, The first conductive post (41) and the third conductive post (46) are connected to the heating wire (43) by riveting and welding.
7. The electric heater for high temperature energy storage as claimed in claim 6 wherein, The distance between the adjacent first ceramic discs (1) is not more than 100 mm.
8. The high temperature, energy stored, electric heater of claim 1 wherein the surface power density of the heating wire (43) is no more than 40 W / in2.