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CN-224221016-U - Automatic cleaning device for circulating hot air filter screen of high-performance carbon fiber oxidation furnace

CN224221016UCN 224221016 UCN224221016 UCN 224221016UCN-224221016-U

Abstract

The utility model relates to an automatic cleaning device for a circulating hot air filter screen of a high-performance carbon fiber oxidation furnace, which comprises an ash collecting box, an ash blowing pipe, a fixed head, a steel wire rolling brush, a bearing seat, a connector, an air pipe quick-connection joint, a driving device, a connecting plate, a plug and a fixing piece. The device adopts the synergistic effect of compressed air and mechanical ash removal, and is equipped with an adjustable bolt slotted hole structure to realize the abrasion compensation of the steel wire rolling brush, and a fixing piece and a plug are specially designed to ensure airtight connection, and dust collected in the ash removal process is discharged through a bottom flange port. The utility model realizes the automatic cleaning of the filter system of the oxidation furnace and has the characteristics of high ash removal efficiency, stable structure and convenient maintenance.

Inventors

  • ZHOU LIANG
  • ZHANG PENG
  • ZHANG CHUNJIN
  • ZHANG LINBIN
  • WANG XIN

Assignees

  • 中复神鹰碳纤维西宁有限公司

Dates

Publication Date
20260512
Application Date
20250429

Claims (7)

  1. 1. The automatic cleaning device for the circulating hot air filter screen of the high-performance carbon fiber oxidation furnace is characterized by comprising an ash collecting box (1), an ash blowing pipe (2), a fixed head (3), a steel wire rolling brush (4), a bearing seat (5), a connector (6), a quick air pipe plug connector (7), a driving device (8), a connecting plate (9), a plug (10) and a fixed piece (11); the ash collecting box (1) is arranged at the bottom of the filter screen; the steel wire rolling brush (4) is positioned in the ash collecting box (1); The bearing seats (5) are arranged at two ends of the steel wire rolling brush (4) and are connected with the connecting plate (9) by bolts, and a bag is tied at the bottom flange opening; The connecting plate (9) is fixedly connected with the filter cross beam through bolts; The ash blowing pipe (2) is arranged behind the steel wire rolling brush (4) at the top of the bottom filter screen, the ash blowing port faces downwards, holes are drilled on a cross beam at one end of the filter and a cross beam at the other end of the filter, and the ash blowing pipe is fixed by the fixing head (3) and the connecting head (6) respectively; An M8 threaded hole is drilled in the middle of the fixed head (3) and is fixed by a bolt; compressed air is introduced into the middle of the connector (6), and the external thread head is connected with the fixing piece (11); The air pipe quick connector (7) is connected with the connector (6) through internal threads, the air pipe quick connector (7) is connected with a compressed air hose, and the ash blowing pipe (2) is fixed at the same time; The driving device (8) is arranged on the connecting plate (9) and is connected with the steel wire rolling brush (4) through a shaft; the plug (10) is embedded into one end of the ash blowing pipe (2) and is welded and connected; The fixing piece (11) is embedded into the other end of the ash blowing pipe (2) and is welded and connected.
  2. 2. The automatic cleaning device for the circulating hot air filter screen of the high-performance carbon fiber oxidation furnace according to claim 1, wherein the soot blowing opening faces downwards and is about 20mm away from the filter screen, a cross beam at one end of the filter is drilled with a hole with the diameter of 9mm, and a cross beam at the other end of the filter is drilled with a hole with the diameter of 17 mm.
  3. 3. The automatic cleaning device for the circulating hot air filter screen of the high-performance carbon fiber oxidation furnace according to claim 1, wherein through grooves with the width of 3mm and the length of 30mm are formed in the horizontal direction of the ash blowing pipe (2) every 8mm, and the notch faces downwards.
  4. 4. The automatic cleaning device for the circulating hot air filter screen of the high-performance carbon fiber oxidation furnace according to claim 1, wherein the connecting plate (9) is connected with a filter screen cross beam through bolts, slotted holes are formed at two ends of the connecting plate and are connected with the steel wire rolling brush (4), and the height of the steel wire rolling brush (4) is adjusted according to abrasion of the steel wire rolling brush (4).
  5. 5. The automatic cleaning device for the circulating hot air filter screen of the high-performance carbon fiber oxidation furnace according to claim 1 is characterized in that the driving device (8) comprises a motor and a speed reducer, an output shaft of the motor is inserted into an input shaft of the speed reducer and reinforced by bolts, and an output shaft of the speed reducer is connected with the steel wire rolling brush (4) and connected with bolts of the connecting plate (9).
  6. 6. The automatic cleaning device for the circulating hot air filter screen of the high-performance carbon fiber oxidation furnace according to claim 1, wherein the distance between the plug (10) and the pipe orifice at one end of the ash blowing pipe (2) is 6mm.
  7. 7. The automatic cleaning device for the circulating hot air filter screen of the high-performance carbon fiber oxidation furnace according to claim 1, wherein an M14 threaded hole is drilled in the center of the fixing piece (11) and is connected with the connector (6) and fixes the ash blowing pipe (2).

Description

Automatic cleaning device for circulating hot air filter screen of high-performance carbon fiber oxidation furnace Technical Field The utility model belongs to the technical field of filter screen cleaning, and particularly relates to an automatic cleaning device for a circulating hot air filter screen of a high-performance carbon fiber oxidation furnace. Background At present, an oxidation furnace circulating hot air filter screen is cleaned in a manual blowing and angle grinder polishing mode in the high-performance carbon fiber production process, potential safety hazards exist, cleaning is incomplete, dust flies upwards, and hot air circulation, workshop production environment and high-performance carbon fiber finished product quality are affected. Disclosure of utility model The utility model aims to provide an automatic cleaning device for a circulating hot air filter screen of a high-performance carbon fiber oxidation furnace. The automatic cleaning device for the circulating hot air filter screen of the high-performance carbon fiber oxidation furnace comprises an ash collecting box, an ash blowing pipe, a fixed head, a steel wire rolling brush, a bearing seat, a connector, a quick air pipe plug-in connector, a driving device, a connecting plate, a plug and a fixing piece; The dust collecting box is arranged at the bottom of the filter screen, the steel wire rolling brush is arranged in the dust collecting box, the bearing seats are arranged at two ends of the steel wire rolling brush and are connected with the connecting plate through bolts, a bag is tied at a flange opening at the bottom of the connecting plate, and the connecting plate is fixedly connected with the filter cross beam through bolts. The ash blowing pipe is arranged on a steel wire rolling brush at the top of a bottom layer filter screen, a soot blowing opening faces downwards, holes are drilled on a cross beam at one end of the filter and a cross beam at the other end of the filter, the ash blowing pipe is fixed by utilizing a fixing head and a connector respectively, an M8 threaded hole is drilled in the middle of the fixing head and is fixed by bolts, compressed air is introduced into the middle of the connector and is connected with a fixing piece, an air pipe quick-connection head is connected with an inner thread of the connector, the air pipe quick-connection head is connected with a compressed air hose and is used for fixing the ash blowing pipe, a driving device is arranged on a connecting plate and is connected with a steel wire rolling brush shaft, a plug is embedded into one end of the ash blowing pipe and is welded and connected with the other end of the ash blowing pipe, and the fixing piece is embedded into the other end of the ash blowing pipe and is welded and connected with the other end of the ash blowing pipe. The soot blowing opening faces downwards and is about 20mm away from the filter screen, a hole with the diameter of 9mm is drilled on one end of the cross beam of the filter, and a hole with the diameter of 17mm is drilled on the other end of the cross beam of the filter. The horizontal direction of the ash blowing pipe is provided with through grooves with the width of 3mm and the length of 30mm at intervals of 8mm, and the notch faces downwards. The connecting plate is connected with the filter screen cross beam through bolts, slotted holes are formed in two ends of the connecting plate and are connected with the steel wire rolling brush, and the height of the steel wire rolling brush is adjusted according to abrasion of the steel wire rolling brush. The driving device comprises a motor and a speed reducer, wherein an output shaft of the motor is inserted into an input shaft of the speed reducer and reinforced by bolts, and an output shaft of the speed reducer is connected with the steel wire rolling brush and connected with bolts of the connecting plate. The distance that the plug is embedded into the pipe orifice at one end of the ash blowing pipe is 6mm. And an M14 threaded hole is drilled in the center of the fixing piece and is connected with the connector and fixes the ash blowing pipe. The utility model has the advantages of simple and reasonable structure, convenient manufacture, attractive appearance, stable operation and no noise, 2 has convenient manufacture and assembly, small volume of parts, is favorable for the replacement and maintenance of the parts, 3 has simple operation, no body contact between operators and operation parts, improves the safety in the operation process, 4 can adjust the position of the rolling brush according to the abrasion degree of the rolling brush, and additionally, has an ash blowing pipe at the rear, can further purge and clean dust, ensures more thorough cleaning, and is provided with an ash collecting box at the bottom to collect the dust, so that the production environment is clean and orderly, 5 has strong replaceability, can replace the rolling brushes with