Automatic cleaning device for circulating hot air filter screen of high-performance carbon fiber oxidation furnace
By designing an automated filter cleaning device, the problems of incomplete cleaning and safety hazards of the circulating hot air filter in the oxidation furnace were solved, achieving efficient and safe cleaning results and improving the production environment and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 中复神鹰碳纤维西宁有限公司
- Filing Date
- 2025-04-29
- Publication Date
- 2026-05-12
AI Technical Summary
In the current high-performance carbon fiber production process, the cleaning of the circulating hot air filter screen in the oxidation furnace poses safety hazards, is incomplete, and affects the production environment and product quality.
Design an automatic cleaning device that includes components such as a dust collection box, a dust blowing pipe, a wire roller brush, a bearing housing, a connector, a quick-connect air pipe, and a drive device. The roller brush is rotated for cleaning by compressed air and the drive device. Combined with the design of the dust blowing pipe and the dust collection box, automated cleaning is achieved.
提高了清理的安全性和彻底性,减少了灰尘飞扬,改善了生产环境,提升了产品质量,并且操作简单,适应不同环境的更换和维护便捷。
Smart Images

Figure CN224221016U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of filter screen cleaning technology, specifically relating to an automatic cleaning device for circulating hot air filter screens in a high-performance carbon fiber oxidation furnace. Background Technology
[0002] Currently, the circulating hot air filter screen of the oxidation furnace in the production process of high-performance carbon fiber is cleaned by manual blowing and grinding with an angle grinder. This poses safety hazards and is not thorough, resulting in dust flying around and affecting hot air circulation, the workshop production environment, and the quality of the finished high-performance carbon fiber. Utility Model Content
[0003] The purpose of this invention is to provide an automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace.
[0004] To achieve the above objectives, this utility model provides the following technical solution: an automatic cleaning device for circulating hot air filter screen of a high-performance carbon fiber oxidation furnace, comprising an ash collection box, an ash blowing pipe, a fixing head, a steel wire roller brush, a bearing seat, a connector, a quick-connect air pipe connector, a drive device, a connecting plate, a plug, and a fixing component;
[0005] The dust collection box is located at the bottom of the filter screen; the wire roller brush is located inside the dust collection box; the bearing seat is located at both ends of the wire roller brush and is bolted to the connecting plate, with a bag attached to the bottom flange; the connecting plate is bolted to the filter crossbeam. The dust blowing pipe is located behind the wire roller brush at the top of the bottom filter screen, with the dust blowing port facing downwards. Holes are drilled at one end of the filter crossbeam and the other end of the crossbeam, respectively, and fixed by the fixing head and the connecting head; the fixing head has an M8 threaded hole drilled in the middle and is fixed with bolts; compressed air passes through the middle of the connecting head, and the external threaded head is connected to the fixing part; the quick-connect air pipe is connected to the internal thread of the connecting head, and the quick-connect air pipe head is connected to the compressed air hose, while fixing the dust blowing pipe; the drive device is mounted on the connecting plate and connected to the wire roller brush shaft; the plug is embedded in one end of the dust blowing pipe and welded; the fixing part is embedded in the other end of the dust blowing pipe and welded.
[0006] The blowing nozzle faces downwards and is about 20mm away from the filter screen. A 9mm diameter hole is drilled in the crossbeam at one end of the filter, and a 17mm diameter hole is drilled in the crossbeam at the other end.
[0007] The soot blowing pipe has horizontal grooves that are 3mm wide and 30mm long, with the groove openings facing downwards.
[0008] The connecting plate is bolted to the filter screen beam, and has slots at both ends for connecting to the wire roller brush. The height of the wire roller brush is adjusted according to its wear.
[0009] The drive device includes a motor and a reducer. The output shaft of the motor is inserted into the input shaft of the reducer and reinforced with bolts. The output shaft of the reducer is connected to the wire brush and bolted to the connecting plate.
[0010] The plug is embedded 6mm into one end of the soot blowing pipe.
[0011] The fastener has an M14 threaded hole drilled in the center to connect to the connector and fix the soot blowing pipe.
[0012] Compared with the prior art, the beneficial effects of this utility model are: (1) The structure of this utility model is simple and reasonable, easy to manufacture, beautiful and elegant, and has the characteristics of stable structure, smooth operation and no noise; (2) This utility model is easy to manufacture and assemble, and the parts are small in size, which is conducive to the replacement and maintenance of parts; (3) This utility model is easy to operate, and the operator has no physical contact with the running parts, which improves the safety during operation; (4) This utility model can adjust the position of the roller brush according to the wear degree of the roller brush; in addition, a dust blowing pipe is added at the rear to further blow and clean the dust, making the cleaning more thorough, and a dust collection box is installed at the bottom to collect the dust, making the production environment clean and orderly; (5) This utility model has strong replaceability. According to different usage environments and requirements, roller brushes of different materials and the speed of the drive device can be replaced.
[0013] To more clearly illustrate the functional characteristics and structural parameters of this utility model, the following description is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description
[0014] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0015] Figure 1 This is a top view of the present invention;
[0016] Figure 2 This is a side view of the present invention;
[0017] Figure 3 This is a structural diagram of the soot blowing pipe device of this utility model.
[0018] The attached diagram is labeled as follows: 1. Ash collection box; 2. Ash blowing pipe; 3. Fixed head; 4. Steel wire roller brush; 5. Bearing seat; 6. Connector; 7. Air pipe quick connector; 8. Drive device; 9. Connecting plate; 10. Plug; 11. Fixing component. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0020] This application discloses an automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace, combined with... Figure 1 and Figure 2 It includes 1 ash collection box, 2 ash blowing pipe, 3 fixed head, 4 wire roller brush, 5 bearing seat, 6 connector, 7 quick-connect air pipe, 8 drive device, 9 connecting plate, 10 plug, and 11 fastener.
[0021] The ash collection box 1 is located at the bottom of the filter screen;
[0022] The steel wire roller brush 4 is located inside the ash collection box 1;
[0023] The bearing housing 5 is located at both ends of the wire roller brush 4 and is bolted to the connecting plate 9. A bag is attached to the bottom flange for collecting dust and facilitating cleaning.
[0024] The connecting plate 9 is fixedly connected to the filter beam with bolts.
[0025] The soot blowing pipe 2 is located behind the steel wire roller brush 4 at the top of the bottom filter screen, with the soot blowing port facing downwards. Holes are drilled in the crossbeam at one end of the filter and the crossbeam at the other end, and are fixed by the fixing head 3 and the connecting head 6 respectively.
[0026] The fixing head 3 has an M8 threaded hole drilled in the middle for fixing with bolts;
[0027] The connector 6 is vented with compressed air in the middle, and the external threaded head is connected to the fixing member 11.
[0028] The quick-connect fitting 7 is internally threaded to the connector 6, and the quick-connect fitting head 7 is connected to the compressed air hose, which facilitates connection and disassembly, and at the same time fixes the soot blowing pipe 2.
[0029] The drive device 8 is mounted on the connecting plate 9 and connected to the shaft of the wire roller brush 4.
[0030] Combination Figure 3 The plug 10 is embedded in one end of the soot blowing pipe 2 and welded together to serve as a seal;
[0031] The fastener 11 is embedded in the other end of the soot blowing pipe 2 and welded together.
[0032] The blowing nozzle faces downwards and is about 20mm away from the filter screen. A 9mm diameter hole is drilled in the crossbeam at one end of the filter, and a 17mm diameter hole is drilled in the crossbeam at the other end.
[0033] The soot blowing pipe 2 has a horizontal groove that is 3mm wide and 30mm long, with the groove opening facing downwards.
[0034] The connecting plate 9 is bolted to the filter screen beam, and has slots at both ends for connection with the wire roller brush 4. The height of the wire roller brush 4 is adjusted according to the wear of the wire roller brush 4.
[0035] The drive device 8 includes a motor and a reducer. The output shaft of the motor is inserted into the input shaft of the reducer and reinforced with bolts. The output shaft of the reducer is connected to the wire brush 4 and bolted to the connecting plate 9.
[0036] The plug 10 is embedded 6mm into one end of the soot blowing pipe 2.
[0037] The fixing member 11 has an M14 threaded hole drilled in the center to connect the connector 6 and fix the soot blowing pipe 2.
[0038] Installation and usage methods of this application:
[0039] Install the wire roller brush 4 at the bottom of the filter screen, fixing both ends to the connecting plate 9, and install the drive device 8 and bearing seat 5. Install the soot blowing pipe 2 at the top of the bottom filter screen at the rear end of the roller brush. The soot blowing pipe 2 has horizontal grooves 3mm wide and 30mm long, cut every 8mm, with the groove opening facing downwards. One end of the soot blowing pipe is sealed with a plug 10, which is embedded 6mm into the pipe opening. The other end is sealed with a connector 6, which is 2mm from the pipe opening, and an M14 threaded hole is drilled in the center. The soot blowing pipe 2 is embedded in the fixing head 3, and the other end is connected with a fixing piece 11, which has threads on both ends. Then, screw in the quick-connect fitting for the air pipe. Finally, install the ash collection box at the bottom and tie a bag to the flange at the bottom of the ash collection box. When using, turn on the power of the drive device, open the compressed air valve, and crank the handle at a uniform speed to make the filter screen rotate at a uniform speed. After cleaning, turn off the power of the drive device and the compressed air valve.
[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace, characterized in that, Includes ash collection box (1), ash blowing pipe (2), fixed head (3), steel wire roller brush (4), bearing seat (5), connector (6), quick-connect air pipe (7), drive device (8), connecting plate (9), plug (10), and fastener (11); The ash collection box (1) is located at the bottom of the filter screen; The wire roller brush (4) is located inside the ash collection box (1); The bearing housing (5) is located at both ends of the wire roller brush (4) and is bolted to the connecting plate (9). A bag is tied to the bottom flange opening. The connecting plate (9) is fixedly connected to the filter beam with bolts; The soot blowing pipe (2) is located behind the wire roller brush (4) at the top of the bottom filter screen, with the soot blowing port facing downwards. Holes are drilled in the crossbeam at one end of the filter and the crossbeam at the other end, and are fixed by the fixing head (3) and the connecting head (6) respectively. The fixing head (3) has an M8 threaded hole drilled in the middle and is fixed with a bolt; The connector (6) is vented with compressed air in the middle, and the external threaded head is connected to the fixing member (11); The quick-connector (7) is internally threaded to the connector (6), and the quick-connector (7) is connected to the compressed air hose, while fixing the soot blowing pipe (2); The drive device (8) is mounted on the connecting plate (9) and connected to the shaft of the wire roller brush (4); The plug (10) is embedded in one end of the soot blowing pipe (2) and welded together; The fastener (11) is embedded in the other end of the soot blowing pipe (2) and welded together.
2. The automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace according to claim 1, characterized in that, The blowing nozzle faces downwards and is about 20mm away from the filter screen. A 9mm diameter hole is drilled in the crossbeam at one end of the filter, and a 17mm diameter hole is drilled in the crossbeam at the other end.
3. The automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace according to claim 1, characterized in that, The soot blowing pipe (2) has a 3mm wide and 30mm long through groove every 8mm in the horizontal direction, with the groove opening facing downwards.
4. The automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace according to claim 1, characterized in that, The connecting plate (9) is bolted to the filter screen beam, and has slots at both ends for connection with the wire roller brush (4). The height of the wire roller brush (4) is adjusted according to the wear of the wire roller brush (4).
5. The automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace according to claim 1, characterized in that, The drive device (8) includes a motor and a reducer. The output shaft of the motor is inserted into the input shaft of the reducer and reinforced with bolts. The output shaft of the reducer is connected to the wire roller brush (4) and bolted to the connecting plate (9).
6. The automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace according to claim 1, characterized in that, The distance between the plug (10) and the opening of one end of the soot blowing pipe (2) is 6mm.
7. The automatic cleaning device for the circulating hot air filter screen of a high-performance carbon fiber oxidation furnace according to claim 1, characterized in that, The fastener (11) has an M14 threaded hole drilled in the center to connect the connector (6) and fix the soot blowing pipe (2).