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CN-224215816-U - Uniform heating device for medium-frequency electric furnace

CN224215816UCN 224215816 UCN224215816 UCN 224215816UCN-224215816-U

Abstract

The utility model discloses a uniform heating device for an intermediate frequency electric furnace, which belongs to the technical field of intermediate frequency electric furnaces and comprises a furnace body, wherein a first expansion ring is fixedly arranged at the top end of the furnace body, a base is arranged at the bottom end of the furnace body, a furnace shell is fixedly arranged between the bottom end of the first expansion ring and the top end of the base, a backing ring is fixedly connected to the bottom end of the circumferential inner wall of the furnace shell, and a turntable is rotatably clamped in the backing ring. According to the utility model, the rotary table is rotationally clamped with the bottom end of the circumference of the furnace shell, the first coil, the second coil and the third coil are arranged at the top end of the rotary table, the first coil is positioned at the bottom end of the outer wall of the bottom end of the furnace body, and the second coil and the third coil are sleeved with the outer side of the circumference of the furnace body, so that when the driving motor works, the worm drives the fluted disc to rotate, and further the rotary table, the first coil, the second coil and the third coil are driven to rotate around the circumference of the furnace body, the problem that the furnace body is heated unevenly due to gaps of the coils is solved, and the circumference of the furnace body is heated more evenly.

Inventors

  • YU JIANGMING
  • LV JUN

Assignees

  • 杭州胜港电炉成套设备有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (7)

  1. 1. The utility model provides a uniform heating device for intermediate frequency electric stove, includes furnace body (1), furnace body (1) top is fixed to be provided with first ring (5) that expands, furnace body (1) bottom is provided with base (7), and fixed mounting has stove outer covering (2) between first ring (5) bottom and base (7) top, a serial communication port, stove outer covering (2) circumference inner wall bottom fixedly connected with trunnion ring (20), and trunnion ring (20) inside rotation joint has carousel (9), carousel (9) bottom fixed mounting has fluted disc (10), carousel (9) top both sides are fixed mounting respectively integrated board (13) and balance board (14), integrated board (13) bottom fixedly connected with first coil (15), integrated board (13) middle-end and upper end are fixed connection second coil (16) and third coil (17) respectively, base (7) bottom inner wall fixed mounting has driving motor (11), and driving motor (11) output fixed mounting has worm (12), worm (12) circumference top and fluted disc (10) bottom meshing.
  2. 2. The uniform heating device for the medium frequency electric furnace according to claim 1, wherein connecting columns (4) are fixedly arranged at the lower ends of two sides of the circumference of the furnace shell (2), and a frame (3) is rotatably arranged between the opposite ends of the two connecting columns (4).
  3. 3. The uniform heating device for the medium frequency electric furnace according to claim 1, wherein the bottom end of the circumferential outer wall of the furnace shell (2) is fixedly connected with a second expanding ring (6), and a plurality of equal-angle mounting bolts (8) are fixedly arranged between the top end of the second expanding ring (6) and the top end of the base (7).
  4. 4. The uniform heating device for the intermediate frequency electric furnace according to claim 1, wherein the first coil (15) is positioned at the bottom end of the outer wall of the bottom end of the furnace body (1), and the second coil (16) and the third coil (17) are sleeved on the outer side of the circumference of the furnace body (1).
  5. 5. The uniform heating apparatus for an intermediate frequency electric furnace according to claim 4, wherein the first coil (15) is in a spiral shape, and the second coil (16) and the third coil (17) are each in a spiral shape.
  6. 6. The uniform heating device for the intermediate frequency electric furnace according to claim 1, wherein a connecting block (18) is fixedly connected between the ends of the second coil (16) and the third coil (17), and a rotating roller (19) is rotatably arranged outside the connecting block (18).
  7. 7. The uniform heating device for the medium frequency electric furnace according to claim 6, wherein a plurality of annular protrusions (21) are arranged at the upper end of the circumferential inner wall of the furnace shell (2), a plurality of grooves are formed in the circumference of the rotating roller (19), and the grooves are matched with the annular protrusions (21).

Description

Uniform heating device for medium-frequency electric furnace Technical Field The utility model relates to the technical field of medium-frequency electric furnaces, in particular to a uniform heating device for a medium-frequency electric furnace. Background The intermediate frequency furnace is a power supply device which converts the power frequency 50HZ alternating current into intermediate frequency (more than 300HZ to 1000 HZ), converts the three-phase power frequency alternating current into direct current after rectification, then converts the direct current into adjustable intermediate frequency current, supplies the intermediate frequency alternating current flowing through a capacitor and an induction coil, generates high-density magnetic force lines in the induction coil, cuts metal materials contained in the induction coil, and generates great eddy current in the metal materials. The medium frequency electric furnace is widely used for smelting nonferrous metals and ferrous metals, and has the advantages of high heat efficiency, short smelting time, less burning loss of alloy elements, wide smelting materials, less environmental pollution, capability of accurately controlling the temperature and components of molten metal, and the like. According to the technical scheme, patent publication No. CN221898243U discloses a patent named uniform heating type intermediate frequency electric furnace, the technical problem to be solved is that a large amount of hot air is generated in the process of uniformly heating materials, the hot air is accumulated above the intermediate frequency electric furnace, the heat generated by the heating materials continuously rises into the inside of a lifting pipe, the surrounding environment is hotter and the heat at a release position cannot be effectively collected and recycled, certain adverse effects are brought to practical use, a lifting frame can be driven to move through the arranged electric cylinder, the lifting frame can be driven to move away from the intermediate frequency electric furnace body, the subsequent materials can be fed and heated, the situation that the lifting frame inclines in the process of driving the furnace cover to lift is reduced under the stretching guiding effect of a telescopic rod, the heat generated by the heating materials can be continuously risen into the inside of the lifting pipe, the heat generated by the heating materials enters the inside of the residual heat box through a discharge pipe, the operation of an air-entraining fan in the residual heat box can be guided to be rapidly carried out, the inside of the residual heat box can be completed, and the heat recovery phenomenon of the materials can be uniformly guided and the heat recovery coil does not exist before the heat recovery process is required to be uniformly heated. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides a uniform heating device for an intermediate frequency electric furnace. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a medium frequency electric stove is with even heating device, includes the furnace body, furnace body top fixedly provided with first ring that expands, the furnace body bottom is provided with the base, and fixed mounting has the stove outer covering between first ring bottom and the base top that expands, stove outer covering circumference inner wall bottom fixedly connected with holds in the palm the circle, and holds in the palm the inside joint that rotates of circle has the carousel, carousel bottom fixed mounting has the fluted disc, and carousel top both sides respectively fixed mounting have integrated board and balance plate, integrated board bottom fixedly connected with first coil, integrated board middle-end and upper end respectively fixedly connected with second coil and third coil, base bottom inner wall fixed mounting has driving motor, and driving motor output fixed mounting has the worm, worm circumference top and fluted disc bottom meshing. Preferably, the lower ends of the two sides of the circumference of the furnace shell are fixedly provided with connecting columns, and a frame is rotatably arranged between the opposite ends of the two connecting columns. Preferably, the bottom end of the circumferential outer wall of the furnace shell is fixedly connected with a second expanding ring, and a plurality of equal-angle mounting bolts are fixedly arranged between the top end of the second expanding ring and the top end of the base. Preferably, the first coil is located at the bottom end of the outer wall of the bottom end of the furnace body, and the second coil and the third coil are sleeved on the outer side of the circumference of the furnace body. Preferably, the first coil is in a spiral shape, and the second coil and the third coil are both in a spiral shape. Preferably, a co