Feeding device of pyrolyzing furnace for producing cyanuric acid
By introducing a feed crushing mechanism and a mobile design into the pyrolysis furnace feeding device, the feed blockage problem was solved, an efficient and protective feeding process was achieved, and production efficiency and safety were improved.
Patent Information
- Application Number
- CN202422621214.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The feeding device of the pyrolysis furnace used in the production of cyanuric acid is easily blocked by large pieces of solid raw materials during feeding, resulting in blockage of the device and affecting the feeding efficiency.
A feeding device including a feeding and crushing mechanism is designed, which includes a feeding port, a rotating drum, a movable knife, a fixed knife, a reducer and a driving motor. Large pieces of material are crushed by rotating the movable knife and the fixed knife. Combined with a movable feeding drum and a protective cover, blockage is prevented and feeding efficiency is improved.
It effectively prevents the clogging of the feeding device, improves the feeding efficiency, reduces the heat loss, and realizes convenient feeding position adjustment and external protection.
Smart Images

Figure CN223381565U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cyanuric acid production and processing, in particular to a pyrolysis furnace feeding device for producing cyanuric acid. Background Art
[0002] Cyanuric acid is a colorless, odorless, nitrogen-containing organic compound with excellent stability and solubility. It is also an important intermediate compound, used as a catalyst and stabilizer in chemical reactions, and is widely used in the chemical, pharmaceutical, agricultural, and environmental fields. Industrially, cyanuric acid can be synthesized by thermal decomposition of urea. Urea is used as the raw material, and a crude product is obtained through high-temperature deamination, polymerization, acidification, and hydrolysis. The crude product is then refined, cooled, filtered, washed, separated, and dried to obtain the finished product. When using a pyrolysis furnace to thermally decompose the raw materials, a pyrolysis furnace feeding device is required to facilitate the feeding of the raw materials into the furnace and reduce the discomfort of manual close-range feeding.
[0003] However, when the pyrolysis furnace feeding device for producing cyanuric acid is actually used to feed the urea raw material used for producing cyanuric acid into the interior of the pyrolysis furnace, the solid raw material will contain some large lumps of material that have agglomerated due to storage moisture absorption, which can easily get stuck at the feeding port of the feeding device during feeding, easily causing the feeding device to be blocked, thereby affecting the feeding efficiency of the device. There are deficiencies, and it is not convenient to prevent the feeding at the feeding port of the feeding device from being blocked.
[0004] Now, a novel pyrolysis furnace feeding device for producing cyanuric acid is proposed to solve the above-mentioned shortcomings. Utility Model Content
[0005] The purpose of the utility model is to provide a feeding device for a pyrolysis furnace for producing cyanuric acid, so as to solve the problem in the above background technology that it is inconvenient to prevent the feeding port of the feeding device from being blocked.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a feeding device for a pyrolysis furnace for producing cyanuric acid, comprising a base and a feeding barrel, wherein the feeding barrel is provided at the top of the base, and a feeding crushing mechanism for assisting in refining and feeding the cyanuric acid pyrolysis processing material and preventing blockage is provided on the left side of the top of the feeding barrel;
[0007] The feeding and crushing mechanism includes a feeding port, a rotating drum, a movable knife, a second reducer, a second drive motor and a fixed knife. The feeding port is fixed on the left side of the top of the feeding drum, and the inside of the feeding port is laterally movably connected with the rotating drum. The two sides of the rotating drum respectively pass through the interior of both sides of the feeding port. The second reducer is fixed on the right side of the feeding port, and the second drive motor is fixed on the bottom of the second reducer. Movable knives are fixed on the top and bottom and both ends of the rotating drum, and fixed knives are fixed on both ends of the inside of the feeding port.
[0008] Furthermore, the feeding port is connected to the interior of the feeding drum, and the movable knives are arranged in multiple groups at equal intervals at the top and bottom and both ends of the rotating drum, and the fixed knives are fixed in multiple groups at equal intervals at both ends of the feeding port, and the movable knives and fixed knives are staggered inside the feeding port.
[0009] Furthermore, the output shaft of the second drive motor is fixedly connected to the input shaft of the second reducer, and the output shaft of the second reducer is fixedly connected to the right side of the drum.
[0010] Preferably, a screw rod is connected to the internal transverse movable connection at the middle position of the top of the base, two sets of supports are welded and fixed to the bottom end of the feed barrel, and a base plate is welded and fixed to the bottom end of the support, the external thread of the screw rod is connected to two sets of threaded sleeves, a first reducer is installed and fixed on the left side of the base, and a first drive motor is installed and fixed on the top of the first reducer, guide sliders are fixed at both ends of the bottom of the base respectively, and guide grooves are opened transversely at both ends of the top of the base respectively, and the top of the threaded sleeve passes through the interior of the top of the base and is fixedly connected to the bottom end of the base.
[0011] Furthermore, the output shaft of the first drive motor is fixedly connected to the input shaft of the first reducer, the output shaft of the first reducer is fixedly connected to the left side of the screw rod, and the guide slider is slidably connected inside the guide groove.
[0012] Preferably, a protective cover is provided on the outside of the feed barrel, and fixing plates are transversely welded and fixed to both ends of the feed barrel, and threaded holes are opened inside the fixing plates, and mounting bolts are provided on both ends of the protective cover.
[0013] Furthermore, the threaded holes are arranged in multiple groups at equal intervals inside the fixing plate, and the mounting bolts are arranged in multiple groups at equal intervals at both ends of the protective cover. The mounting bolts pass through the interior of both ends of the protective cover and are rotatably connected in the threaded holes.
[0014] Preferably, a third drive motor is installed and fixed on the left side of the feed barrel, a feed shaft is movably connected to the inside of the feed barrel in a transverse direction, a feed outlet is fixed on the right side of the bottom end of the feed barrel, and the output shaft of the third drive motor is fixedly connected to the left side of the feed shaft through a pulley structure.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the feeding device for a pyrolysis furnace for producing cyanuric acid not only facilitates the prevention of blocking of the feeding position of the feeding device and facilitates the adjustment of the use position of the feeding device, but also facilitates the protection of the exterior of the feeding device;
[0016] (1) By providing a feed barrel, a loading port, a rotating drum, a movable knife, a second reducer, a second drive motor and a fixed knife, during the use of the feeding device, the second drive motor can be controlled to start and the second reducer can be used to drive the rotating drum to rotate. While the rotating drum rotates, it can drive multiple sets of movable knives on the outside to rotate. After that, after the cyanuric acid pyrolysis production materials are introduced into the interior of the loading port, the multiple sets of rotating movable knives and the multiple sets of fixed knives can be used to assist in crushing and refining some large pieces of the added materials. The refined materials enter the interior of the feed barrel and are then pushed to the right by the feed shaft, and are led out of the feed outlet to the pyrolysis furnace. Through the feed crushing process, the blockage when adding materials at the loading position of the device can be reduced and avoided, thereby improving the feeding efficiency of the device;
[0017] (2) By providing a base, a screw rod, a first reducer, a first drive motor, a feed barrel, a support, a bottom plate, a threaded sleeve, a guide groove and a guide slider, when the feed device is used, when the device is used to add materials into the interior of the pyrolysis furnace, after the pyrolysis furnace door is opened, the first drive motor can be controlled to start and the screw rod can be driven to rotate by the first reducer. While the screw rod rotates, the threaded sleeve connected with the thread can be used to drive the feed barrel to move right at the top of the base, and the right side of the feed barrel can be extended into the pyrolysis furnace to feed the interior of the pyrolysis furnace. After the feeding is completed, the feed barrel can be moved left again out of the pyrolysis furnace and the furnace door can be closed. The mobile feeding device can reduce the heat loss inside the pyrolysis furnace and facilitate the adjustment of the use position of the feeding device.
[0018] (3) By providing a feed barrel, a protective cover, a fixing plate, threaded holes and mounting bolts, when the feed device is in use, the protective cover can be inserted into the outside of the feed barrel, and then the mounting bolts are used at both ends of the protective cover to penetrate the inside of the protective cover and screwed into the inside of the threaded holes respectively, and then the protective cover can be installed and fixed on the outside of the feed barrel. The installed protective cover can provide auxiliary anti-collision protection for the outside of the feed device, thereby reducing and avoiding damage to the outside of the feed device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1This is a schematic diagram of the front cross-sectional structure of the present utility model;
[0020] Figure 2 This is an enlarged schematic diagram of the top view of the feeding port of the present invention;
[0021] Figure 3 This is a side structural diagram of the base of the present utility model;
[0022] Figure 4 For this utility model Figure 3 A in the figure is an enlarged structural diagram.
[0023] In the figure: 1. Screw; 2. Base; 3. First reducer; 4. First drive motor; 5. Threaded sleeve; 6. Feed barrel; 7. Third drive motor; 8. Loading port; 9. Rotating drum; 10. Movable knife; 11. Second reducer; 12. Second drive motor; 13. Protective cover; 14. Fixed plate; 15. Threaded hole; 16. Feed shaft; 17. Feed outlet; 18. Support; 19. Bottom plate; 20. Fixed knife; 21. Mounting bolt; 22. Guide groove; 23. Guide slider. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] See also Figure 1-4 The present invention provides an embodiment: a feeding device for a pyrolysis furnace for producing cyanuric acid, comprising a base 2 and a feeding barrel 6. The feeding barrel 6 is provided at the top of the base 2, and a feeding crushing mechanism for assisting in refining and feeding the cyanuric acid pyrolysis processing material and preventing blockage is provided on the left side of the top of the feeding barrel 6;
[0026] The feeding and crushing mechanism includes a feeding port 8, a rotating drum 9, a movable knife 10, a second reducer 11, a second drive motor 12 and a fixed knife 20. The feeding port 8 is fixed to the left side of the top of the feeding drum 6, and the inside of the feeding port 8 is laterally movably connected with the rotating drum 9. The two sides of the rotating drum 9 respectively pass through the interior of the two sides of the feeding port 8. The right side of the feeding port 8 is fixed with a second reducer 11, and the bottom of the second reducer 11 is fixed with a second drive motor 12. The top, bottom and both ends of the rotating drum 9 are respectively fixed with movable knives 10, and the two ends of the inside of the feeding port 8 are respectively fixed with fixed knives 20;
[0027] The feeding port 8 is connected to the interior of the feeding drum 6. Multiple groups of movable knives 10 are respectively arranged at equal intervals at the top, bottom and both ends of the rotating drum 9. Multiple groups of fixed knives 20 are respectively fixed at equal intervals at both ends of the interior of the feeding port 8. The movable knives 10 and the fixed knives 20 are respectively arranged in a staggered manner inside the feeding port 8. The output shaft of the second drive motor 12 is fixedly connected to the input shaft of the second reducer 11, and the output shaft of the second reducer 11 is fixedly connected to the right side of the rotating drum 9.
[0028] Specifically, if Figure 1 and Figure 2 As shown, the second drive motor 12 can be controlled to start and the second reducer 11 can be used to drive the drum 9 to rotate. While the drum 9 rotates, it can drive the external multiple groups of movable knives 10 to rotate. After that, the cyanuric acid pyrolysis production materials are introduced into the interior of the feeding port 8. Through the rotating multiple groups of movable knives 10 and the fixed multiple groups of fixed knives 20, some large pieces of the added materials can be assisted in crushing and refining. The refined materials enter the interior of the feed barrel 6 and are then pushed to the right by the feed shaft 16, and are led out from the feed outlet 17 to the pyrolysis furnace. Through the feed crushing process, the blockage when adding materials at the feeding position of the device can be reduced and avoided.
[0029] The internal horizontal movable connection at the middle position of the top of the base 2 is provided with a screw rod 1, and two groups of supports 18 are welded and fixed to the bottom end of the feed barrel 6, and a bottom plate 19 is welded and fixed to the bottom end of the support 18. The external thread of the screw rod 1 is connected with two groups of threaded sleeves 5. The left side of the base 2 is fixed with a first reducer 3, and the top of the first reducer 3 is fixed with a first drive motor 4. Guide sliders 23 are fixed at both ends of the bottom of the bottom plate 19, and guide grooves 22 are respectively opened horizontally at both ends of the top of the base 2. The top of the threaded sleeve 5 passes through the interior of the top of the base 2 and is fixedly connected to the bottom end of the bottom plate 19. The output shaft of the first drive motor 4 is fixedly connected to the input shaft of the first reducer 3, and the output shaft of the first reducer 3 is fixedly connected to the left side of the screw rod 1. The guide slider 23 is slidably connected to the inside of the guide groove 22.
[0030] Specifically, if Figure 1 、 Figure 3 and Figure 4 As shown, when the device is used to add materials into the interior of the pyrolysis furnace, after the pyrolysis furnace door is opened, the first drive motor 4 can be controlled to start and the first reducer 3 can be used to drive the screw rod 1 to rotate. While the screw rod 1 rotates, the threaded sleeve 5 connected by thread can be used to drive the feed barrel 6 to move right at the top of the base 2, and the right side of the feed barrel 6 can be extended into the pyrolysis furnace to feed the interior of the pyrolysis furnace. After the feeding is completed, the feed barrel 6 can be moved left out of the pyrolysis furnace again and the furnace door can be closed. The mobile feeding device can reduce the loss of heat inside the pyrolysis furnace.
[0031] A protective cover 13 is provided on the outside of the feed barrel 6. A fixing plate 14 is horizontally welded and fixed at both ends of the feed barrel 6. A threaded hole 15 is opened inside the fixing plate 14. Mounting bolts 21 are provided at both ends of the protective cover 13. Multiple groups of threaded holes 15 are arranged at equal intervals inside the fixing plate 14. Multiple groups of mounting bolts 21 are arranged at equal intervals at both ends of the protective cover 13. The mounting bolts 21 pass through the interior of both ends of the protective cover 13 and are rotatably connected to the threaded holes 15.
[0032] Specifically, if Figure 1 and Figure 3 As shown, the protective cover 13 can be inserted into the outside of the feed barrel 6, and then the mounting bolts 21 are used at both ends of the protective cover 13 to penetrate the interior of the protective cover 13 and screwed into the interior of the threaded hole 15 respectively, and then the protective cover 13 can be installed and fixed on the outside of the feed barrel 6. The installed protective cover 13 can provide auxiliary anti-collision protection for the outside of the feeding device.
[0033] A third drive motor 7 is installed and fixed on the left side of the feed barrel 6, and a feed shaft 16 is connected to the inside of the feed barrel 6 in a transverse movably manner. A feed outlet 17 is fixed on the right side of the bottom end of the feed barrel 6, and the output shaft of the third drive motor 7 is fixedly connected to the left side of the feed shaft 16 through a pulley structure.
[0034] Working principle: When the feeding device of the utility model is used to add materials into the interior of the pyrolysis furnace, after the pyrolysis furnace door is opened, the first drive motor 4 can be controlled to start and the first reducer 3 can be used to drive the screw rod 1 to rotate. While the screw rod 1 rotates, the threaded sleeve 5 connected by thread can be used to drive the feeding barrel 6 to move right at the top of the base 2, and the right side of the feeding barrel 6 can be extended into the pyrolysis furnace to feed the interior of the pyrolysis furnace. After the feeding is completed, the feeding barrel 6 can be moved left out of the pyrolysis furnace again and the furnace door can be closed. After the right side of the feeding barrel 6 is extended into the pyrolysis furnace, the mobile feeding device can control the second drive motor 12 to start and use the second reducer 11 to drive the rotating drum 9 to rotate. While the rotating drum 9 rotates, it can drive the multiple groups of movable knives 10 on the outside to rotate, and then the cyanuric acid pyrolysis production After the material is introduced into the interior of the feeding port 8, some large pieces of the added material can be assisted in crushing and refining by the rotating multiple groups of movable knives 10 and the fixed multiple groups of fixed knives 20. The refined material enters the interior of the feed barrel 6 and is then transported to the right by the push of the feed shaft 16, and is led out from the feed outlet 17 to the pyrolysis furnace for pre-crushing of the feed. When the feeding device is in use, the protective cover 13 can also be inserted into the outside of the feed barrel 6, and then the mounting bolts 21 are used at both ends of the protective cover 13 to penetrate the interior of the protective cover 13 and screwed into the interior of the threaded hole 15 accordingly, and then the protective cover 13 can be installed and fixed on the outside of the feed barrel 6. The installed protective cover 13 can provide auxiliary outer cover anti-collision protection for the outside of the feeding device.
[0035] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A feeding device for a pyrolysis furnace for producing cyanuric acid, comprising a base (2) and a feeding cylinder (6), characterized in that: A feeding cylinder (6) is provided at the top of the base (2), and a feeding crushing mechanism for assisting in refining and feeding the cyanuric acid pyrolysis processed material and preventing blockage is provided on the left side of the top of the feeding cylinder (6); The feeding and crushing mechanism comprises a feeding port (8), a rotating drum (9), a movable knife (10), a second reducer (11), a second drive motor (12) and a fixed knife (20); the feeding port (8) is fixedly mounted on the left side of the top of the feeding drum (6), and the interior of the feeding port (8) is laterally movably connected with the rotating drum (9); the two sides of the rotating drum (9) respectively penetrate the interiors of the two sides of the feeding port (8); the second reducer (11) is fixedly mounted on the right side of the feeding port (8), and the second drive motor (12) is fixedly mounted on the bottom of the second reducer (11); the movable knife (10) is fixed on the top, bottom and both ends of the rotating drum (9), and the fixed knife (20) is fixed on both ends of the interior of the feeding port (8).
2. The feeding device for a pyrolysis furnace for producing cyanuric acid according to claim 1, characterized in that: The feeding port (8) is connected to the interior of the feeding cylinder (6), and the movable knives (10) are respectively arranged in multiple groups at equal intervals at the top and bottom and both ends of the rotating cylinder (9), and the fixed knives (20) are respectively fixed in multiple groups at equal intervals at both ends of the feeding port (8). The movable knives (10) and the fixed knives (20) are respectively arranged in an alternating manner inside the feeding port (8).
3. The feeding device for a pyrolysis furnace for producing cyanuric acid according to claim 1, characterized in that: The output shaft of the second drive motor (12) is fixedly connected to the input shaft of the second reducer (11), and the output shaft of the second reducer (11) is fixedly connected to the right side of the rotating drum (9).
4. The feeding device for a pyrolysis furnace for producing cyanuric acid according to claim 1, characterized in that: The inner side of the middle position of the top of the base (2) is connected to a screw rod (1) in a transverse movable manner. The bottom end of the feed barrel (6) is welded and fixed with two groups of supports (18), and the bottom end of the supports (18) is welded and fixed with a bottom plate (19). The outer thread of the screw rod (1) is connected to two groups of threaded sleeves (5). The left side of the base (2) is fixed with a first reducer (3), and the top end of the first reducer (3) is fixed with a first drive motor (4). The two ends of the bottom of the bottom plate (19) are respectively fixed with guide sliders (23). The two ends of the top of the base (2) are respectively provided with guide grooves (22). The top end of the threaded sleeve (5) passes through the interior of the top of the base (2) and is fixedly connected to the bottom end of the bottom plate (19).
5. The feeding device for a pyrolysis furnace for producing cyanuric acid according to claim 4, characterized in that: The output shaft of the first drive motor (4) is fixedly connected to the input shaft of the first reducer (3), the output shaft of the first reducer (3) is fixedly connected to the left side of the screw rod (1), and the guide slider (23) is slidably connected inside the guide groove (22).
6. The feeding device for a pyrolysis furnace for producing cyanuric acid according to claim 1, characterized in that: A protective cover (13) is provided on the outside of the feed barrel (6), and fixing plates (14) are respectively welded and fixed transversely at both ends of the feed barrel (6), and threaded holes (15) are opened inside the fixing plates (14), and mounting bolts (21) are respectively provided at both ends of the protective cover (13).
7. The feeding device for a pyrolysis furnace for producing cyanuric acid according to claim 6, characterized in that: The threaded holes (15) are arranged in multiple groups at equal intervals inside the fixing plate (14), and the mounting bolts (21) are arranged in multiple groups at equal intervals at both ends of the protective cover (13). The mounting bolts (21) respectively penetrate the interior of both ends of the protective cover (13) and are rotatably connected in the threaded holes (15).
8. The feeding device for a pyrolysis furnace for producing cyanuric acid according to claim 1, characterized in that: A third drive motor (7) is fixedly mounted on the left side of the feed barrel (6), a feed shaft (16) is movably connected to the inside of the feed barrel (6), a feed outlet (17) is fixed to the right side of the bottom end of the feed barrel (6), and the output shaft of the third drive motor (7) is fixedly connected to the left side of the feed shaft (16) via a pulley structure.