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CN-224212703-U - Heat treatment device for amorphous nanocrystalline magnetic core

CN224212703UCN 224212703 UCN224212703 UCN 224212703UCN-224212703-U

Abstract

The utility model discloses a heat treatment device for an amorphous nanocrystalline magnetic core, which comprises a heat treatment furnace, wherein a first exhaust pipe is fixedly arranged in the middle of the outer surface of the upper end of the heat treatment furnace, one end of the first exhaust pipe is connected with primary filtering, one side of the primary filtering is provided with a middle-stage filtering, one side of the middle-stage filtering is provided with a second air duct, a first air duct is connected between the primary filtering and the middle-stage filtering, and a second air duct is connected between the middle-stage filtering and a heat exchange structure. According to the heat treatment device for the amorphous nanocrystalline magnetic core, disclosed by the utility model, the heat in the waste gas is utilized to heat water in a factory, so that the energy consumption is reduced, the permanent magnet is arranged at the exhaust port to trap Fe-based amorphous nanocrystalline dust, prevent a pipeline from being blocked, and the metal sintering filter element (high-temperature resistant and back-blowing cleanable) is adopted to remove dust particles by arranging the intermediate-stage filtration.

Inventors

  • GUO YANKE

Assignees

  • 长治市惠科科技有限公司

Dates

Publication Date
20260508
Application Date
20250508

Claims (6)

  1. 1. The heat treatment device for the amorphous nanocrystalline magnetic core comprises a heat treatment furnace (1), a first exhaust pipe (2) is fixedly arranged in the middle of the outer surface of the upper end of the heat treatment furnace (1), and is characterized in that one end of the first exhaust pipe (2) is connected with a primary filter (3), one side of the primary filter (3) is provided with a middle-stage filter (4), one side of the middle-stage filter (4) is provided with a second air duct (7), a first air duct (6) is connected between the primary filter (3) and the middle-stage filter (4), a second air duct (7) is connected between the middle-stage filter (4) and a heat exchange structure (5), the primary filter (3) comprises a first purifying box (8), a permanent magnet rod (9) and a bracket (10), the middle-stage filter (4) comprises a second purifying box (11), an air inlet valve (12), a guide hopper (13), an ash collecting groove (14), a limiting ring (19), a metal sintering filter element (20), a blowback air duct (21) and an exhaust valve (22), the heat exchange structure (5) comprises a second coil pipe (15), a heat-exchange water inlet connector (17) and a heat-exchange connector (17), and the upper end of the first exhaust pipe (2) is fixedly connected with the outer surface of the right side of the first purifying box (8), and the upper end of the first exhaust pipe (2) extends into the right side of the inner cavity of the first purifying box (8).
  2. 2. The heat treatment device of the amorphous nanocrystalline magnetic core according to claim 1, wherein the first air duct (6) is fixedly connected between the outer surface of the left end of the first purifying box (8) and the outer surface of the right end of the second purifying box (11), and the inner cavity of the first air duct (6) is communicated with the inner cavities of the first purifying box (8) and the second purifying box (11).
  3. 3. The heat treatment device for the amorphous nanocrystalline magnetic core according to claim 2, wherein the permanent magnet rod (9) is detachably connected to the outer surface of the upper end of the first purifying box (8), and the lower end of the permanent magnet rod (9) extends into the first purifying box (8).
  4. 4. The heat treatment device for the amorphous nanocrystalline magnetic core according to claim 3, wherein the air inlet valve (12) is fixedly arranged on the left side of the outer surface of the upper end of the second purifying box (11), the guide hopper (13) is fixedly arranged on the outer surface of the lower end of the second purifying box (11), the ash collecting groove (14) is in threaded connection with the outer surface of the lower end of the guide hopper (13), the limiting ring (19) is fixedly arranged on the left end of the inner cavity of the second purifying box (11), the metal sintering filter element (20) is fixedly arranged on the outer surface of the right end of the limiting ring (19), the blowback air pipe (21) is connected to the outer surface of the lower end of the air inlet valve (12), one end of the blowback air pipe (21) extends into the metal sintering filter element (20), and the exhaust valve (22) is fixedly arranged on the outer wall of one end of the blowback air pipe (21).
  5. 5. The heat treatment device of the amorphous nanocrystalline magnetic core according to claim 4, wherein the second air guide pipe (7) is fixedly connected between the outer surface of the left end of the second purifying box (11) and the outer surface of the right end of the second exhaust pipe (15), an inner cavity of the second air guide pipe (7) is communicated with the inner parts of the second purifying box (11) and the second exhaust pipe (15), the heat insulation cover (16) is fixed on the outer wall of the second exhaust pipe (15), the heat exchange coil (23) is located between the outer wall of the second exhaust pipe (15) and the inner wall of the heat insulation cover (16), the heat exchange coil (23) is installed on the outer wall of the second exhaust pipe (15), the water inlet connector (17) is connected to the outer surface of one end of the heat exchange coil (23), and the water outlet connector (18) is connected to the outer surface of the other end of the heat exchange coil (23).
  6. 6. The heat treatment device for the amorphous nanocrystalline magnetic core as claimed in claim 5, wherein the permanent magnet rod (9) is detachably fixed on the outer surface of the upper end of the first purifying box (8) through a threaded connection or a fastening structure, the lower end of the permanent magnet rod (9) extends to the inner cavity of the first purifying box (8), and the surface of the permanent magnet rod is coated with a high-temperature-resistant anti-corrosion coating.

Description

Heat treatment device for amorphous nanocrystalline magnetic core Technical Field The utility model relates to the technical field of amorphous nanocrystalline magnetic core processing equipment, in particular to a heat treatment device for an amorphous nanocrystalline magnetic core. Background The heat treatment of the amorphous nanocrystalline core is a key process for preparing high-performance magnetic materials, and is usually carried out under inert atmosphere (such as N 2 and Ar) and external magnetic field conditions. However, the existing heat treatment apparatus has the following significant problems in terms of exhaust gas treatment and energy utilization: 1. the energy waste, namely directly discharging high-temperature waste gas generated in the heat treatment process, and not effectively recovering the waste heat in the waste gas, so that the energy utilization rate is low, and the production cost is increased; 2. environmental pollution, namely, the waste gas contains a large amount of Fe-based amorphous nanocrystalline dust (such as Fe and other particles), the direct discharge can pollute the environment, and meanwhile, the dust is easy to deposit in a pipeline to cause blockage, so that the normal operation of equipment is influenced. For this purpose, we propose a heat treatment device for amorphous nanocrystalline cores. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a heat treatment device for an amorphous nanocrystalline magnetic core, which utilizes the heat in waste gas to heat water in factories, reduces energy consumption, has the function of purification and can effectively solve the problems in the background art. (II) technical scheme The heat treatment device comprises a heat treatment furnace, wherein a first exhaust pipe is fixedly arranged in the middle of the outer surface of the upper end of the heat treatment furnace, one end of the first exhaust pipe is connected with primary filtering, one side of the primary filtering is provided with a middle-stage filtering, one side of the middle-stage filtering is provided with a second air duct, a first air duct is connected between the primary filtering and the middle-stage filtering, a second air duct is connected between the middle-stage filtering and a heat exchange structure, the primary filtering comprises a first purifying box, a permanent magnet rod and a bracket, the middle-stage filtering comprises a second purifying box, an air inlet valve, a guide hopper, an ash collecting groove, a limiting ring, a metal sintering filter core, a blowback air duct and an exhaust valve, the heat exchange structure comprises a second exhaust pipe, a heat preservation cover, a water inlet connector, a water drainage connector and a heat exchange coil, the upper end of the first exhaust pipe is fixedly connected with the outer surface of the right side of the first purifying box, and the upper end of the first exhaust pipe stretches into the right side of an inner cavity of the first purifying box. Preferably, the first air duct is fixedly connected between the outer surface of the left end of the first purifying box and the outer surface of the right end of the second purifying box, and the inner cavity of the first air duct is communicated with the inner cavities of the first purifying box and the second purifying box. Preferably, the permanent magnet rod is detachably connected to the outer surface of the upper end of the first purifying box, and the lower end of the permanent magnet rod extends into the first purifying box. Preferably, the air inlet valve is fixedly arranged on the left side of the outer surface of the upper end of the second purifying box, the guide hopper is fixedly arranged on the outer surface of the lower end of the second purifying box, the ash collecting groove is in threaded connection with the outer surface of the lower end of the guide hopper, the limiting ring is fixedly arranged on the left end of the inner cavity of the second purifying box, the metal sintering filter element is fixedly arranged on the outer surface of the right end of the limiting ring, the back-blowing air pipe is connected with the outer surface of the lower end of the air inlet valve, one end of the back-blowing air pipe extends into the metal sintering filter element, and the exhaust valve is fixedly arranged on the outer wall of one end of the back-blowing air pipe. Preferably, the second air duct is fixedly connected between the left end outer surface of the second purifying box and the right end outer surface of the second exhaust pipe, the inner cavity of the second air duct is communicated with the second purifying box and the inside of the second exhaust pipe, the heat insulation cover is fixed on the outer wall of the second exhaust pipe, the heat exchange coil is located between the outer wall of the second exhaust pipe and the inner wall of t