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CN-224233866-U - Spiral high-efficient silicon carbide rod heating element device

CN224233866UCN 224233866 UCN224233866 UCN 224233866UCN-224233866-U

Abstract

The utility model discloses a spiral high-efficiency silicon carbide rod heating element device, which relates to the field of silicon carbide rods and comprises a spiral silicon carbide rod, wherein beryllium bronze spring pieces are abutted against the outer walls of the spiral silicon carbide rod, first fixing frames are abutted against the outer walls of the beryllium bronze spring pieces, and connecting rods are arranged on the inner walls of the first fixing frames. The utility model has the advantages that the beryllium bronze spring piece plays an abutting role on the spiral silicon carbon rod, when the device is used, the beryllium bronze spring piece is arranged in the temperature change process, the beryllium bronze spring piece adapts to the thermal expansion difference between the silicon carbon rod and the connecting piece by virtue of the elastic deformation capacity of the beryllium bronze spring piece, when the spiral silicon carbon rod expands, the beryllium bronze spring piece is compressed to store elastic potential energy, and when the spiral silicon carbon rod contracts, the beryllium bronze spring piece releases the elastic potential energy to realize elastic connection compensation, and the beryllium bronze spring piece can maintain stable mechanical property at higher temperature and is suitable for being used under high-temperature working conditions.

Inventors

  • WANG YUTIAN

Assignees

  • 无锡埃森博尔科技有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (6)

  1. 1. The spiral high-efficiency silicon carbide rod heating element device comprises a spiral silicon carbide rod (1) and is characterized in that beryllium bronze spring pieces (2) are abutted against the outer walls of the spiral silicon carbide rod (1), first fixing frames (3) are abutted against the outer walls of the beryllium bronze spring pieces (2), connecting rods (4) are arranged on the inner walls of the first fixing frames (3), fixing sleeves (5) are fixedly connected to the outer walls of the connecting rods (4), and second fixing frames (6) are arranged on the outer walls of the connecting rods (4); The outer wall of the first fixing frame (3) is abutted to a positioning sleeve (7), the inner wall of the positioning sleeve (7) is fixedly connected with a ceramic frame (8), and a detachable silicon carbon rod (9) is arranged on the inner wall of the ceramic frame (8).
  2. 2. The spiral high-efficiency silicon carbide rod heating element device of claim 1, wherein the outer wall of the spiral silicon carbide rod (1) is tightly attached to the outer wall of the beryllium bronze spring piece (2), and the beryllium bronze spring piece (2) is arranged on the outer wall of the spiral silicon carbide rod (1) in an annular array.
  3. 3. The spiral high-efficiency silicon carbide rod heating element device of claim 1, wherein the first fixing frame (3) is connected with the connecting rod (4) in a clamping mode, and the connecting rod (4) is symmetrically arranged by the central axis of the first fixing frame (3).
  4. 4. The spiral high-efficiency silicon carbide rod heating element device of claim 1, wherein the connecting rod (4) is in threaded connection with the fixing sleeve (5), and the outer wall of the connecting rod (4) is in threaded arrangement.
  5. 5. The spiral high-efficiency silicon carbide rod heating element device of claim 1, wherein the positioning sleeve (7) is in threaded connection with the ceramic frame (8), and the positioning sleeve (7) is symmetrically arranged by the central axis of the ceramic frame (8).
  6. 6. The spiral high-efficiency silicon carbide rod heating element device of claim 1, wherein the ceramic frame (8) is in clamping connection with the detachable silicon carbide rod (9), and the diameter of the inner wall of the ceramic frame (8) is larger than that of the outer wall of the detachable silicon carbide rod (9).

Description

Spiral high-efficient silicon carbide rod heating element device Technical Field The utility model relates to the field of silicon carbide rods, in particular to a spiral high-efficiency silicon carbide rod heating element device. Background In the modern industrial production, in a plurality of fields such as metallurgy, chemical industry, ceramics, machining and the like, strict requirements are put on the high efficiency, stability and accuracy of a heating process, and a silicon carbide rod is used as a novel nonmetallic electric heating element, so that the silicon carbide rod has a brand-new angle in the industrial heating field by virtue of the remarkable advantages. The high-purity green hexagonal silicon carbide heating element is prepared from the main raw materials by high-temperature recrystallization, has the characteristics of high temperature resistance, high oxidation resistance, good thermochemical stability, high power density, high heating speed and the like, can stably work for a long time in a high-temperature environment, and effectively improves the heating efficiency, so that the high-purity green hexagonal silicon carbide heating element is widely applied to various high-temperature heating equipment, the heating area is further increased by designing a silicon carbide rod into a spiral structure, higher heating power can be provided in the same space compared with a straight-rod silicon carbide rod, the heating efficiency and uniformity are improved, and the requirements of part of industrial production are met to a certain extent, so that the spiral high-efficiency silicon carbide heating element is needed. When the existing spiral high-efficiency silicon carbide rod heating element device is operated, the existing spiral high-efficiency silicon carbide rod heating element device is of an integral structure, once a certain part is damaged, the maintenance cost and the downtime are increased due to the fact that the whole part is required to be replaced, and the problem that the thermal expansion difference between a silicon carbide rod and a connecting part is inconvenient to automatically compensate when the temperature changes is solved. Disclosure of utility model Based on the above, the utility model aims to provide a spiral high-efficiency silicon carbide rod heating element device, so as to solve the problems that when the existing spiral high-efficiency silicon carbide rod heating element device is used, most of the existing spiral high-efficiency silicon carbide rod heating element device is of an integral structure, once a part is damaged, the whole silicon carbide rod heating element device needs to be replaced, the maintenance cost and the downtime are increased, and the thermal expansion difference between a silicon carbide rod and a connecting part is inconvenient to automatically compensate when the temperature changes. In order to achieve the purpose, the technical scheme is that the spiral high-efficiency silicon carbide rod heating element device comprises a spiral silicon carbide rod, beryllium bronze spring pieces are abutted against the outer walls of the spiral silicon carbide rod, first fixing frames are abutted against the outer walls of the beryllium bronze spring pieces, connecting rods are arranged on the inner walls of the first fixing frames, fixing sleeves are fixedly connected to the outer walls of the connecting rods, and second fixing frames are arranged on the outer walls of the connecting rods. The outer wall of the first fixing frame is abutted to a positioning sleeve, the inner wall of the positioning sleeve is fixedly connected with a ceramic frame, and a detachable silicon carbide rod is installed on the inner wall of the ceramic frame. Preferably, the outer wall of the spiral silicon carbide rod is tightly attached to the outer wall of the beryllium bronze spring piece, and the beryllium bronze spring piece is arranged in an annular array on the outer wall of the spiral silicon carbide rod. Preferably, the first fixing frame is connected with the connecting rod in a clamping way, and the connecting rod is symmetrically arranged by the central axis of the first fixing frame. Preferably, the connecting rod is in threaded connection with the fixing sleeve, and the outer wall of the connecting rod is in a threaded arrangement. Preferably, the positioning sleeve is in threaded connection with the ceramic frame, and the positioning sleeve is symmetrically arranged on the central axis of the ceramic frame. Preferably, the ceramic frame is connected with the detachable silicon carbide rod in a clamping way, and the diameter of the inner wall of the ceramic frame is larger than that of the outer wall of the detachable silicon carbide rod. Compared with the prior art, the utility model has the beneficial effects that: 1. The utility model has the advantages that the beryllium bronze spring piece plays an abutting role on the spiral silicon carbide rod,