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CN-122015480-A - Heat circulation structure of high-temperature sintering furnace

CN122015480ACN 122015480 ACN122015480 ACN 122015480ACN-122015480-A

Abstract

The invention discloses a high-temperature sintering furnace thermal cycle structure, which belongs to the technical field of high-temperature sintering furnaces and comprises a base, wherein a support frame is arranged at the upper end of the base, a furnace body is arranged in the support frame, a sealing cover is arranged on the side edge of the furnace body, the furnace body is rotationally connected with the sealing cover through a pin shaft, a sealing ring is arranged on the inner side of the sealing cover, a controller is arranged at the corner of the upper end of the base, and a rotating mechanism is arranged on the surface of the furnace body.

Inventors

  • WU KUI
  • SONG KEFU
  • YU HAIYONG

Assignees

  • 湖北芯火半导体科技有限公司

Dates

Publication Date
20260512
Application Date
20260211

Claims (10)

  1. 1. The utility model provides a high temperature sintering furnace thermal cycle structure, includes base (1), the upper end of base (1) is provided with support frame (2), the inside of support frame (2) is provided with furnace body (3), the side of furnace body (3) is provided with sealed lid (5), rotate through round pin axle (4) between furnace body (3) and sealed lid (5) and be connected, the inboard of sealed lid (5) is provided with sealing washer (8), the upper end corner of base (1) is provided with controller (9), characterized in that the surface of furnace body (3) is provided with rotary mechanism (6), be connected with angle adjustment mechanism (7) between base (1) and support frame (2); the rotary mechanism (6) comprises a toothed ring (61), the surface of the central position of the furnace body (3) is provided with the toothed ring (61), the lower end of the toothed ring (61) is provided with a driving assembly (65), the inner wall of the furnace body (3) is provided with a heating assembly (64), and the other side of the furnace body (3) is provided with a flue gas recycling assembly (66).
  2. 2. The heat cycle structure of a high temperature sintering furnace as set forth in claim 1, wherein the furnace body (3) further comprises a limiting ring (62), the limiting rings (62) are arranged on two end surfaces of the furnace body (3), and annular grooves (63) corresponding to the limiting rings (62) are formed in the supporting frame (2).
  3. 3. The heat cycle structure of a high temperature sintering furnace as set forth in claim 1, wherein the driving assembly (65) comprises a motor I (651), the motor I (651) is arranged at the lower end of the side edge of the supporting frame (2), a driving shaft (652) is arranged at the output end of the motor I (651), and a transmission gear (653) meshed with the toothed ring (61) is arranged at the other end of the driving shaft (652).
  4. 4. The heat cycle structure of a high temperature sintering furnace as set forth in claim 1, wherein the heating assembly (64) comprises a heating ring (641), the heating ring (641) is disposed on the inner wall of the furnace body (3), and a plurality of groups of hidden spray heads (642) are disposed on the inner wall of the heating ring (641).
  5. 5. The heat cycle structure of a high temperature sintering furnace as set forth in claim 4, wherein the flue gas recycling assembly (66) comprises a flue gas discharge pipe (661), the other side of the furnace body (3) is provided with the flue gas discharge pipe (661), the upper end of the flue gas discharge pipe (661) is provided with a flue gas return pipe (663) and is connected with a heating ring (641) inside the furnace body (3), the side edge of the flue gas return pipe (663) is provided with a solenoid valve II (664), and the other end of the flue gas discharge pipe (661) is provided with a solenoid valve I (662).
  6. 6. The heat cycle structure of a high temperature sintering furnace as set forth in claim 5, wherein a pressure gauge (665) is provided at a position of the side edge of the fume exhaust pipe (661) close to the furnace body (3).
  7. 7. The heat cycle structure of a high temperature sintering furnace of claim 1, wherein the pressure gauge (665) monitors air pressure inside the furnace body (3) and transmits the monitored pressure data to the controller (9), and the controller (9) correspondingly controls the first electromagnetic valve (662) and the second electromagnetic valve (664) to be correspondingly opened and closed.
  8. 8. The high-temperature sintering furnace thermal cycle structure according to claim 1, wherein the angle adjusting mechanism (7) comprises a fixed block (72), two groups of fixed blocks (72) are fixed on one side of the lower end of the supporting frame (2), two groups of first hinge seats (71) are arranged on the side edge of the upper end of the base (1), the first hinge seats (71) and the fixed blocks (72) are rotatably connected through a rotating shaft, two groups of third hinge seats (79) are arranged on the other side of the lower end of the supporting frame (2), a rotating frame (78) is rotatably connected to the lower end of the third hinge seats (79) through the rotating shaft, a second hinge seat (77) is rotatably connected to the lower end of the rotating frame (78) through the rotating shaft, T-shaped nut blocks (76) are arranged at the lower end of the second hinge seats (77), a first screw rod (74) is connected to the internal threads of one group of the T-shaped nut blocks (76), a second screw rod (75) is connected to the internal threads of the other group of the T-shaped nut blocks (76), and a transmission assembly (73) is arranged at the other end of the first screw rod (74) and the second screw rod (75).
  9. 9. The high-temperature sintering furnace thermal cycle structure of claim 8, wherein the transmission assembly (73) comprises a mounting box (731), a mounting box (731) is arranged on the side edge of the base (1), a motor II (734) is arranged on the side edge of the mounting box (731), the output end of the motor II (734) is connected with one end of a screw rod I (74), a synchronizing wheel I (735) is arranged on the surface of the screw rod I (74) in the mounting box (731), a synchronizing wheel II (732) is arranged on the surface of one end of the screw rod II (75) in the mounting box (731), and a synchronizing belt (733) is connected to the outer surfaces of the synchronizing wheel I (735) and the synchronizing wheel II (732) in a meshed mode.
  10. 10. The heat cycle structure of a high temperature sintering furnace as set forth in claim 8, wherein the other ends of the first screw rod (74) and the second screw rod (75) are rotatably connected with the base (1) through bearings, and screw holes corresponding to the first screw rod (74) and the second screw rod (75) are formed in the two groups of T-shaped nut blocks (76) and are in threaded connection with the screw holes.

Description

Heat circulation structure of high-temperature sintering furnace Technical Field The invention belongs to the technical field of high-temperature sintering furnaces, and particularly relates to a high-temperature sintering furnace thermal cycle structure. Background The high-temperature sintering furnace is special thermal equipment for solid-phase sintering of ceramic, powder metallurgy or hard alloy blanks at the temperature of 1200-1800 ℃. The basic structure of the furnace consists of a fireproof hearth, a heating element, an insulating layer and a fixed material table, and heat is unidirectionally transferred to a material placed at rest by means of radiation and convection during operation, so that densification and grain growth are completed. Because the space utilization rate of the hearth is low, the thickness of the material layer is limited, the single-furnace treatment capacity is small, and the energy consumption is generally higher than 2000kWh DEG CCalcination in a rotary kiln has become an important link for energy conservation and emission reduction in high-end manufacturing industry. The hearth and the material table of the existing high-temperature sintering furnace are both of fixed structures, materials are kept still all the time in the sintering process, so that the temperature difference between the center of the material layer and the surface layer is large, the heating is uneven, the heat preservation time is required to be prolonged to ensure the sintering quality of the core, the heat efficiency is reduced by more than 15%, meanwhile, high-temperature flue gas in the furnace is directly discharged in the moisture and glue discharging stages, the carried sensible heat and latent heat cannot be recovered, and a large amount of energy waste is caused. In addition, the fixed horizontal material platform enables feeding, sampling and maintenance operations to be capable of only vertical lifting, the furnace door opening is large, the opening time is long, heat dissipation is increased, flexible connection between the furnace body and the front and back working procedures is limited, and the requirements of continuous and automatic modern production are difficult to meet. Disclosure of Invention To solve the problems set forth in the background art. The invention provides a thermal cycle structure of a high-temperature sintering furnace, which has the characteristics of convenience in rotating a hearth, recycling high-temperature smoke and adjusting angles of the high-temperature sintering furnace. The invention provides a high-temperature sintering furnace thermal cycle structure, which comprises a base, wherein a support frame is arranged at the upper end of the base, a furnace body is arranged in the support frame, a sealing cover is arranged on the side edge of the furnace body, the furnace body is rotationally connected with the sealing cover through a pin shaft, a sealing ring is arranged on the inner side of the sealing cover, a controller is arranged at the corner of the upper end of the base, a rotating mechanism is arranged on the surface of the furnace body, and an angle adjusting mechanism is connected between the base and the support frame; the rotary mechanism comprises a toothed ring, the surface of the central position of the furnace body is provided with the toothed ring, the lower end of the toothed ring is provided with a driving assembly, the inner wall of the furnace body is provided with a heating assembly, and the other side of the furnace body is provided with a smoke recycling assembly. Preferably, the furnace body further comprises limiting rings, limiting rings are arranged on the surfaces of the two ends of the furnace body, and annular grooves corresponding to the limiting rings are formed in the supporting frame. Preferably, the driving assembly comprises a first motor, the lower end of the side edge of the supporting frame is provided with the first motor, the output end of the first motor is provided with a driving shaft, and the other end of the driving shaft is provided with a transmission gear meshed with the toothed ring. Preferably, the heating assembly comprises a heating ring, the inner wall of the furnace body is provided with the heating ring, and the inner wall of the heating ring is provided with a plurality of groups of hidden spray heads. Preferably, the smoke recycling assembly comprises a smoke exhaust pipe, the other side of the furnace body is provided with the smoke exhaust pipe, the upper end of the smoke exhaust pipe is provided with a smoke return pipe and is connected with a heating ring in the furnace body, the side of the smoke return pipe is provided with a solenoid valve II, and the other end of the smoke exhaust pipe is provided with a solenoid valve I. Preferably, a pressure gauge is arranged at the side edge of the smoke exhaust pipe close to the furnace body. Preferably, the pressure gauge monitors the air pressure in the fu