Spray drying tower with wall scraping device
By designing hydraulic rod and rack systems, as well as worm and threaded sleeve structures in the spray drying tower, the problem of scratch strip removal operation is solved, and a fast and simple scraper removal process is achieved.
Patent Information
- Application Number
- CN202421917319.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The disassembly and installation operation of scrapers in existing spray drying towers is more troublesome, requiring multiple adjustments and tools, resulting in slow disassembly progress.
A spray drying tower with a wall scraping device is designed to quickly disassemble the scraper through a hydraulic rod and rack system. It adopts a worm and threaded sleeve structure, and personnel can remove the scraper by simply rotating the worm and threaded sleeve.
This design greatly simplifies the disassembly process of scraper strips, which is simple and fast to operate without the need for tools, significantly improving the disassembly progress of scraper strips.
Smart Images

Figure CN222889382U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a spray drying tower, in particular to a spray drying tower with a wall scraping device, belonging to the technical field of spray drying towers. Background Art
[0002] Spray drying is a drying process in which the raw liquid is placed in an atomizer to separate it into droplets, and the powdery and particle-shaped products are obtained by direct contact between hot air or other gases and the droplets. In the 1930s and 1940s, spray drying technology was widely used in the production of detergents, dairy products, dehydrated foods, dyes, cement, and fertilizers.
[0003] The present publication number is CN219579886U, which is a spray drying tower, comprising a tower body, a scraper assembly being arranged inside the tower body, the scraper assembly comprising a circular ring, a gear ring, a mounting plate and a scraper strip, the circular ring being rotatably arranged on the inner wall of the tower body, a plurality of mounting holes being penetrated through the circular ring, two sets of fixing bolts being arranged on the top of the mounting plate, the fixing bolts passing through the mounting holes, and the mounting plate can be fixed to the bottom of the circular ring by tightening nuts on the fixing bolts.
[0004] In the above scheme, although there are many benefits, there are also the following disadvantages: since the mounting plates and scraper strips are provided in multiple groups and are evenly distributed on the bottom of the circular ring, when multiple scraper strips need to be taken out from the inside of the tower body, each time a scraper strip is taken out, the scraper strip to be removed needs to be adjusted to the position of the inspection port again to facilitate personnel to remove and remove it, and the operation is more troublesome. At the same time, the scraper strip is installed by fixing it with fixing bolts and locking nuts, but tools are still needed for disassembly, which will reduce the disassembly progress of personnel. Utility Model Content
[0005] 1. Technical issues to be resolved
[0006] The purpose of the utility model is to provide a spray drying tower with a wall scraping device in order to solve the above problems, so as to solve the problem that it is troublesome to disassemble and remove multiple scraping strips in the prior art.
[0007] (II) Technical solution
[0008] The utility model is realized through the following technical scheme: a spray drying tower with a wall scraping device, comprising a tower body, an atomizer and a feed pipe are arranged on the top of the tower body, an air inlet pipe is installed on one side of the tower body, a discharge pipe is installed on the bottom end of the tower body, a wall scraping assembly is arranged inside the tower body, a plurality of inspection ports are opened on the top of the tower body, a plurality of mounting seats are fixedly connected to the outside of the tower body, a first rotating rod is arranged inside each of the plurality of mounting seats, both ends of the first rotating rod pass through both sides of the inside of the mounting seat and are rotatably connected to the mounting seat, a sealing cover is fixedly connected to the outside of the first rotating rod, a plurality of the sealing covers are respectively arranged at the positions of a plurality of inspection ports, a plurality of the first rotating rods are fixedly connected to one end each of the first rotating rods, a plurality of the first gears are meshingly connected to the outsides of the first gears, a circular frame is fixedly connected between the plurality of the racks, the circular frame is sleeved on the outside of the tower body, two hydraulic rods are fixedly connected to the bottom of the circular frame, the bottom ends of the two hydraulic rods are fixedly connected to connecting blocks, and the two connecting blocks are fixedly connected to the tower body.
[0009] Preferably, the wall scraping assembly includes a rotating frame, which is rotatably connected to the inside of the tower body, an inner gear ring is fixedly connected to the inner side of the rotating frame, a second gear is meshingly connected to the inner side of the inner gear ring, a second rotating rod is fixedly connected to the top of the second gear, the top of the second rotating rod passes through the top of the tower body and is rotatably connected to the tower body, a motor is fixedly connected to the top of the tower body, and the output end of the motor is fixedly connected to the second rotating rod.
[0010] Preferably, the scraper assembly also includes a plurality of through grooves, and the plurality of through grooves are all opened at the top of the rotating frame, and T-shaped blocks are provided inside the plurality of through grooves, and the plurality of T-shaped blocks are in contact with the top of the rotating frame, and the bottoms of the plurality of T-shaped blocks are fixedly connected with scraper strips, and the plurality of scraper strips are in contact with the inner wall of the tower body, and a fixing groove is opened on one side of the plurality of T-shaped blocks.
[0011] Preferably, a connecting groove is formed on one side of the inner part of each of the through grooves, a threaded sleeve is provided inside the connecting groove, one end of the threaded sleeve is rotatably connected to the rotating frame, the other end of the threaded sleeve is rotatably connected to a support block on the outer side, the support block is fixedly connected to the rotating frame, a worm gear is fixedly connected to the outer side of the threaded sleeve, a worm is meshingly connected to the outer side of the worm gear, the top end of the worm gear passes through the top end of the connecting groove and extends to the top of the rotating frame, the worm gear is rotatably connected to the rotating frame, and the provision of the support block improves the stability of the threaded sleeve during rotation.
[0012] Preferably, a threaded rod is threadedly connected to the inner side of the threaded sleeve, one end of the threaded rod is fixedly connected to a fixed block, the fixed block is arranged inside the fixing groove, two square telescopic rods are arranged at the bottom end of the connecting groove, the two square telescopic rods are fixedly connected to the rotating frame, one end of the two square telescopic rods is fixedly connected to the fixed block, the setting of the square telescopic rod serves to limit the fixed block, and improves the stability of the fixed block when it moves.
[0013] Preferably, rubber pads are installed at the bottom of the plurality of sealing covers, and the plurality of rubber pads are in contact with the tower body.
[0014] Preferably, a plurality of L-shaped rods are fixedly connected to the outer side of the tower body, and the top ends of the plurality of L-shaped rods all penetrate the round frame and are slidably connected to the round frame. The arrangement of the plurality of L-shaped rods stabilizes the upward and downward movement of the round frame.
[0015] The utility model provides a spray drying tower with a wall scraping device, which has the following beneficial effects:
[0016] 1. The spray drying tower with a wall scraper device has two hydraulic rods that can pull the round frame downward, and the round frame slides on multiple L-shaped rods. At this time, the round frame drives multiple racks to move downward, and the multiple racks are respectively meshed and connected with multiple first gears. The multiple first gears drive multiple covers to reverse through multiple first rotating rods. The multiple covers are respectively away from multiple inspection ports, and the multiple inspection ports are opened, so that personnel can disassemble and remove multiple scraping strips on the wall scraper assembly. This structure is simple and convenient for personnel to operate.
[0017] 2. In the spray drying tower with a scraper device, personnel rotate multiple worms respectively, the worms mesh with the worm wheels, the worm wheels drive the threaded sleeves to rotate, the threaded sleeves are threadedly connected with the threaded rods, and under the limiting effect of the two square telescopic rods on the fixed block, the threaded rods drive the fixed block to move in the direction of the connecting groove, the fixed block is moved out of the fixed groove, and the limit of the T-shaped block is released. After that, the personnel lift the T-shaped block to take out the scraper through the inspection port. This structural design does not require the use of tools, is convenient for personnel to operate, and can improve the disassembly progress of the scraper. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a cross-sectional view of the tower body of the utility model;
[0020] Figure 3 For this utility model Figure 2 A magnified view of the structure of part A;
[0021] Figure 4 This is a schematic diagram of the rotating frame structure of the utility model;
[0022] Figure 5 For this utility model Figure 4 Enlarged view of the structure of part B.
[0023]
Main component symbol description
[0024] 1. Tower body; 2. Atomizer; 3. Feed pipe; 4. Inlet pipe; 5. Discharge pipe; 6. Inspection port; 7. Cover; 8. Mounting seat; 9. First rotating rod; 10. First gear; 11. Rack; 12. Round frame; 13. L-shaped rod; 14. Hydraulic rod; 15. Connecting block; 16. Rotating frame; 17. Internal gear ring; 18. Second gear; 181. Second rotating rod; 19. Through groove; 191. Connecting groove; 20. Scraper strip; 21. T-shaped block; 22. Threaded sleeve; 23. Threaded rod; 24. Fixed block; 25. Square telescopic rod; 26. Worm wheel; 27. Worm. DETAILED DESCRIPTION
[0025] The embodiment of the utility model provides a spray drying tower with a wall scraping device.
[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , including a tower body 1, an atomizer 2 and a feed pipe 3 are arranged on the top of the tower body 1, an air inlet pipe 4 is installed on one side of the tower body 1, a discharge pipe 5 is installed on the bottom of the tower body 1, a wall scraping assembly is arranged inside the tower body 1, a plurality of inspection ports 6 are opened on the top of the tower body 1, a plurality of mounting seats 8 are fixedly connected to the outside of the tower body 1, a first rotating rod 9 is arranged inside the plurality of mounting seats 8, both ends of the first rotating rod 9 pass through the inside of the mounting seat 8 and are rotatably connected to the mounting seat 8, a sealing cover 7 is fixedly connected to the outside of the first rotating rod 9, a plurality of sealing covers 7 are respectively arranged at the positions of the plurality of inspection ports 6, and a plurality of sealing covers 7 are installed with rubber at the bottom Pads, multiple rubber pads are in contact with the tower body 1, one end of multiple first rotating rods 9 are fixedly connected with first gears 10, multiple outer sides of the first gears 10 are meshed with racks 11, a round frame 12 is fixedly connected between the multiple racks 11, the round frame 12 is sleeved on the outside of the tower body 1, two hydraulic rods 14 are fixedly connected to the bottom of the round frame 12, the bottom ends of the two hydraulic rods 14 are fixedly connected with connecting blocks 15, the two connecting blocks 15 are fixedly connected to the tower body 1, and multiple L-shaped rods 13 are fixedly connected to the outside of the tower body 1, and the tops of the multiple L-shaped rods 13 pass through the round frame 12 and are slidably connected to the round frame 12.
[0027] Specifically, two hydraulic rods 14 are started, and the two hydraulic rods 14 can pull the circular frame 12 downward, and the circular frame 12 slides on the multiple L-shaped rods 13. At this time, the circular frame 12 drives the multiple racks 11 to move downward, and the multiple racks 11 are respectively meshed and connected with the multiple first gears 10. The multiple first gears 10 respectively drive the multiple covers 7 to reverse through the multiple first rotating rods 9. The multiple covers 7 are respectively away from the multiple inspection ports 6, and the multiple inspection ports 6 are opened, so that personnel can disassemble and remove the multiple scraping strips 20 on the scraper assembly. This structure is simple and convenient for personnel to operate.
[0028] As for the atomizer 2 and the feed pipe 3 technology, a solution in a spray drying tower with publication number CN219579886U is adopted.
[0029] See also Figure 2 , Figure 3 , Figure 4 and Figure 5 The scraper assembly includes a rotating frame 16, which is rotatably connected to the inside of the tower body 1, an inner gear ring 17 is fixedly connected to the inner side of the rotating frame 16, and a second gear 18 is meshedly connected to the inner side of the inner gear ring 17, and a second rotating rod 181 is fixedly connected to the top of the second gear 18, and the top of the second rotating rod 181 passes through the top of the tower body 1 and is rotatably connected to the tower body 1, and a motor is fixedly connected to the top of the tower body 1, and the output end of the motor is fixedly connected to the second rotating rod 181. The scraper assembly also includes a plurality of through slots 19, and the plurality of through slots 19 are all opened at the top of the rotating frame 16, and T-shaped blocks 21 are arranged inside the plurality of through slots 19, and the plurality of T-shaped blocks 21 are all in contact with the top of the rotating frame 16, and the bottoms of the plurality of T-shaped blocks 21 are fixedly connected with scraper strips 20, and the plurality of scraper strips 20 are in contact with the inner wall of the tower body 1, and a fixed groove is opened on one side of the plurality of T-shaped blocks 21, and a plurality of through slots 19 are arranged inside A connecting groove 191 is formed on both sides, and a threaded sleeve 22 is provided inside the connecting groove 191. One end of the threaded sleeve 22 is rotatably connected to the rotating frame 16, and the other end of the threaded sleeve 22 is rotatably connected to a support block on the outside, and the support block is fixedly connected to the rotating frame 16. A worm gear 26 is fixedly connected to the outside of the threaded sleeve 22, and a worm 27 is meshed and connected to the outside of the worm gear 26. The top of the worm 27 passes through the top of the connecting groove 191 and extends to the top of the rotating frame 16. The worm 27 is rotatably connected to the rotating frame 16, and a threaded rod 23 is threadedly connected to the inside of the threaded sleeve 22. One end of the threaded rod 23 is fixedly connected to a fixed block 24, and the fixed block 24 is arranged inside the fixed groove. Two square telescopic rods 25 are provided at the bottom end of the connecting groove 191. The two square telescopic rods 25 are fixedly connected to the rotating frame 16, and one end of the two square telescopic rods 25 is fixedly connected to the fixed block 24.
[0030] Specifically, after the multiple inspection ports 6 are opened, personnel rotate the multiple worm gears 27 respectively, the worm gears 27 are meshed with the worm gear 26, the worm gear 26 drives the threaded sleeve 22 to rotate, and the threaded sleeve 22 is threadedly connected to the threaded rod 23. Under the limiting action of the two square telescopic rods 25 on the fixed block 24, the threaded rod 23 drives the fixed block 24 to move in the direction of the connecting groove 191, and the fixed block 24 is moved out of the fixed groove to release the limit on the T-shaped block 21. After that, the personnel lift the T-shaped block 21 to take out the scraper 20 through the inspection port 6. This structural design does not require the aid of tools, is convenient for personnel to operate, and can improve the disassembly progress of the scraper 20.
[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A spray drying tower with a wall scraping device, comprising a tower body (1), characterized in that: The top of the tower body (1) is provided with an atomizer (2) and a feed pipe (3), one side of the tower body (1) is provided with an air intake pipe (4), the bottom end of the tower body (1) is provided with a discharge pipe (5), the interior of the tower body (1) is provided with a wall scraper assembly, the top of the tower body (1) is provided with a plurality of inspection ports (6), the outer side of the tower body (1) is fixedly connected with a plurality of mounting seats (8), the plurality of mounting seats (8) are each provided with a first rotating rod (9), both ends of the first rotating rod (9) pass through both sides of the interior of the mounting seat (8) and are rotatably connected to the mounting seat (8), and the outer side of the first rotating rod (9) is fixedly connected with a sealing cover. (7), the plurality of sealing covers (7) are respectively arranged at the positions of the plurality of inspection openings (6), the first rotating rods (9) are fixedly connected at one end with a first gear (10), the outer sides of the plurality of first gears (10) are meshingly connected with a rack (11), a round frame (12) is fixedly connected between the plurality of racks (11), the round frame (12) is sleeved on the outer side of the tower body (1), the bottom of the round frame (12) is fixedly connected with two hydraulic rods (14), the bottom ends of the two hydraulic rods (14) are fixedly connected with a connecting block (15), and the two connecting blocks (15) are fixedly connected to the tower body (1).
2. The spray drying tower with a wall scraping device according to claim 1, characterized in that: The wall scraping assembly comprises a rotating frame (16), the rotating frame (16) being rotatably connected to the inside of the tower body (1), an inner gear ring (17) being fixedly connected to the inside of the rotating frame (16), a second gear (18) being meshingly connected to the inside of the inner gear ring (17), a second rotating rod (181) being fixedly connected to the top of the second gear (18), a top of the second rotating rod (181) passing through the top of the inside of the tower body (1) and being rotatably connected to the tower body (1), a motor being fixedly connected to the top of the tower body (1), and an output end of the motor being fixedly connected to the second rotating rod (181).
3. The spray drying tower with a wall scraping device according to claim 2, characterized in that: The wall scraping assembly further comprises a plurality of through slots (19), the plurality of through slots (19) being disposed on the top of the rotating frame (16), the plurality of T-shaped blocks (21) being disposed inside the through slots (19), the plurality of T-shaped blocks (21) being in contact with the top of the rotating frame (16), the plurality of scraping strips (20) being fixedly connected to the bottom of the plurality of T-shaped blocks (21), the plurality of scraping strips (20) being in contact with the inner wall of the tower body (1), and the plurality of T-shaped blocks (21) being disposed with a fixing slot on one side.
4. The spray drying tower with a wall scraping device according to claim 3, characterized in that: A connecting groove (191) is formed on one side of the interior of each of the plurality of through grooves (19), a threaded sleeve (22) is provided inside the connecting groove (191), one end of the threaded sleeve (22) is rotatably connected to the rotating frame (16), the other end of the threaded sleeve (22) is rotatably connected to a support block on the outside, the support block is fixedly connected to the rotating frame (16), the outside of the threaded sleeve (22) is fixedly connected to a worm wheel (26), the outside of the worm wheel (26) is meshingly connected to a worm (27), the top end of the worm (27) passes through the top end of the connecting groove (191) and extends to the top of the rotating frame (16), and the worm (27) is rotatably connected to the rotating frame (16).
5. The spray drying tower with a wall scraping device according to claim 4, characterized in that: A threaded rod (23) is threadedly connected to the inner side of the threaded sleeve (22); one end of the threaded rod (23) is fixedly connected to a fixing block (24); the fixing block (24) is arranged inside the fixing groove; two square telescopic rods (25) are arranged at the bottom end inside the connecting groove (191); the two square telescopic rods (25) are fixedly connected to the rotating frame (16); and one end of the two square telescopic rods (25) is fixedly connected to the fixing block (24).
6. The spray drying tower with a wall scraping device according to claim 1, characterized in that: The bottoms of the plurality of sealing covers (7) are all provided with rubber pads, and the plurality of rubber pads are in contact with the tower body (1).
7. The spray drying tower with a wall scraping device according to claim 1, characterized in that: A plurality of L-shaped rods (13) are fixedly connected to the outer side of the tower body (1), and the top ends of the plurality of L-shaped rods (13) all penetrate the round frame (12) and are slidably connected to the round frame (12).
Citation Information
Patent Citations
Spray drying tower
CN219579886U