High purity caprolactam refining apparatus
By designing components such as sorting boxes, screening belts, and guide plates, the problem of inconvenient collection of caprolactam raw materials at the top in existing technologies has been solved, achieving efficient multi-stage sorting and automatic discharge, and improving sorting efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 福建天辰耀隆新材料有限公司
- Filing Date
- 2025-06-23
- Publication Date
- 2026-07-07
AI Technical Summary
Existing technologies cannot effectively collect the top material of caprolactam, resulting in inconvenience in collection and affecting the sorting effect.
A high-purity caprolactam refining device was designed, comprising a sorting box, a feeding hopper, a discharge port, a sorting component, and a transmission component. It utilizes a servo motor-driven screening belt and rubber scraper to achieve multi-stage sorting and automatic discharge. Combined with guide plates and diverting plates, it avoids accumulation and uses a collection box for centralized collection.
This system enables multi-stage selection and automatic discharge of caprolactam, improving sorting efficiency, avoiding accumulation, and ensuring efficient collection.
Smart Images

Figure CN224463131U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of caprolactam processing technology, and in particular to a high-purity caprolactam refining equipment. Background Technology
[0002] Caprolactam is a key organic chemical raw material, mainly used to synthesize nylon 6 fibers and engineering plastics. It is widely used in textiles, automobiles, electronics and aerospace. However, traditional refining processes have significant bottlenecks in terms of efficiency, energy consumption and purity improvement, and technological innovation is urgently needed to meet the needs of industrial upgrading.
[0003] A search revealed Chinese patent CN211660465U, which discloses a refining apparatus for caprolactam. The apparatus includes a housing with a storage tank fixedly connected to its upper end. Four mounting plates are symmetrically mounted on the left and right walls inside the housing. A first sieve plate and a second sieve plate are respectively mounted between two mounting plates on the same horizontal line, with the first sieve plate positioned above the second sieve plate. A mounting shell is fixedly mounted on the inner wall of the housing, located between the first and second sieve plates. A motor is fixedly mounted at the rear end of the housing, and the motor's output shaft is connected to a drive shaft. The front end of the drive shaft passes sequentially through the housing and the mounting shell.
[0004] Based on the above search results combined with existing technologies, the findings were as follows:
[0005] While the aforementioned patent can achieve the sorting effect of caprolactam, it cannot achieve a good material collection effect. It cannot effectively collect the caprolactam raw material at the top, which makes subsequent collection inconvenient, and therefore has certain limitations. Utility Model Content
[0006] To address the aforementioned technical problems, this invention proposes a high-purity caprolactam refining device, which can achieve multi-stage refining of caprolactam.
[0007] The technical solution to achieve the purpose of this utility model is as follows: a high-purity caprolactam refining equipment, including a sorting box, a feeding hopper fixedly connected to the top of the sorting box, a pair of discharge ports opened on one side of the sorting box, a discharge plate fixedly installed on each discharge port, and also including a sorting component and a transmission component.
[0008] The sorting components are located inside the sorting box.
[0009] The sorting assembly includes a first drive shaft, a second drive shaft, a first driven shaft, and a second driven shaft, all rotatably mounted inside the sorting box.
[0010] The transmission assembly is located on one side of the sorting box.
[0011] The transmission assembly includes a servo motor that is fixedly installed on one side of the sorting box.
[0012] In some embodiments, a screening belt is provided between the first drive shaft and the first driven shaft, and a screening belt is provided between the second drive shaft and the second driven shaft.
[0013] In some embodiments, a driven gear ring is fixedly installed at the end of the drive shaft one near the outside of the sorting box, and a drive gear ring is fixedly installed on the output shaft of the servo motor. The drive gear ring and the driven gear ring mesh with each other, and a transmission belt one is sleeved together between the drive shaft one and the drive shaft two.
[0014] In some embodiments, a rotating shaft is rotatably mounted inside the sorting box on the upper part of the screening belt. The end of the rotating shaft rotatably passes through the side wall of the sorting box. A transmission belt is sleeved between the rotating shaft and the output shaft of the servo motor. Multiple rubber scrapers are fixedly mounted on the rotating shaft at equal intervals.
[0015] In some embodiments, a pair of guide plates are fixedly installed inside the sorting box, and the pair of guide plates are located between the screening belt and the screening belt. Two sets of guide plates and diverting plates are symmetrically fixedly installed inside the sorting box, and each set of guide plates and diverting plates is located in the middle of the screening belt and the screening belt.
[0016] In some embodiments, a pair of placement plates are fixedly installed on the side of the sorting box near the unloading plate, a receiving box one is slidably installed on the placement plates, and a receiving box two is slidably installed on the inner bottom of the sorting box.
[0017] Compared with existing technologies, the significant advantages of this invention are:
[0018] Firstly, this utility model, through its rotatable screening belt, can not only screen according to the size of caprolactam particles, but also transport larger particles and deliver them from the feed port, achieving automatic discharge. Furthermore, the device is equipped with rubber scrapers that can effectively spread the accumulated caprolactam raw materials, thereby avoiding accumulation that would affect the sorting effect.
[0019] Secondly, this utility model can guide the falling caprolactam particles through multiple guide plates and diverting plates, preventing the raw materials from falling into the gaps. In addition, the diverting plates can effectively divert the particles in the middle of the screening belt, avoiding accumulation and affecting the sorting effect of caprolactam particles.
[0020] This solves the problem that while existing technologies can achieve the sorting effect of caprolactam, they cannot achieve a good collection effect, and the caprolactam raw material at the top cannot be effectively collected, resulting in inconvenience for subsequent collection. Attached Figure Description
[0021] The present invention will be further explained below with reference to the accompanying drawings and embodiments:
[0022] Figure 1 This is a schematic diagram of the overall three-dimensional structure provided by this utility model;
[0023] Figure 2 This is a schematic diagram of the overall internal structure provided by this utility model;
[0024] Figure 3 This is a schematic diagram of the transmission component structure provided by this utility model.
[0025] Explanation of reference numerals in the attached figures:
[0026] 1. Sorting box; 2. Feed hopper; 3. Discharge port; 4. Discharge plate; 5. Placement plate; 6. Receiving box one; 7. Receiving box two; 8. Drive shaft one; 9. Drive shaft two; 10. Driven shaft one; 11. Driven shaft two; 12. Screening belt one; 13. Screening belt two; 14. Driven gear ring; 15. Transmission belt one; 16. Servo motor; 17. Drive gear ring; 18. Rotating shaft; 19. Transmission belt two; 20. Rubber scraper; 21. Guide plate one; 22. Guide plate two; 23. Diverter plate. Detailed Implementation
[0027] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.
[0028] This utility model provides an improved high-purity caprolactam refining equipment. The technical solution of this utility model is as follows:
[0029] like Figures 1-3 As shown, a high-purity caprolactam refining device includes a sorting box 1, a feed hopper 2 fixedly connected to the top of the sorting box 1, a pair of discharge ports 3 opened on one side of the sorting box 1, a discharge plate 4 fixedly installed on each discharge port 3, and a sorting component and a transmission component. The discharge ports 3 facilitate the discharge effect, while the sorting component and transmission component can effectively achieve the sorting effect of caprolactam.
[0030] The sorting component is located inside the sorting box 1.
[0031] The sorting assembly includes a first drive shaft 8, a second drive shaft 9, a first driven shaft 10, and a second driven shaft 11, which are rotatably installed inside the sorting box 1. The sorting assembly can perform multi-stage sorting according to the size of caprolactam particles, thereby improving the refining effect.
[0032] The transmission assembly is located on one side of the sorting box 1.
[0033] The transmission assembly includes a servo motor 16 fixedly installed on one side of the sorting box 1. The servo motor 16 can stably drive the transmission assembly to work, thereby ensuring efficient and stable screening.
[0034] Furthermore, a screening belt 12 is jointly installed between the drive shaft 8 and the driven shaft 10, and a screening belt 23 is jointly installed between the drive shaft 9 and the driven shaft 21. The screening belt 12 and the screening belt 23 can be used to achieve the effect of multi-stage sorting of caprolactam.
[0035] Furthermore, a driven gear ring 14 is fixedly installed at the end of the drive shaft 8 near the outer side of the sorting box 1, and a drive gear ring 17 is fixedly installed on the output shaft of the servo motor 16. The drive gear ring 17 and the driven gear ring 14 mesh with each other. A transmission belt 15 is sleeved between the drive shaft 8 and the drive shaft 9. Through the gear transmission, the servo motor 16 can stably drive the drive gear ring 17 and the driven gear ring 14 to rotate. The transmission belt 15 can then drive the drive shaft 8 and the drive shaft 9 to rotate, and drive the screening belt 12 and the screening belt 13 to rotate, thus achieving the effect of multi-stage screening and feeding.
[0036] Furthermore, inside the sorting box 1, a rotating shaft 18 is rotatably mounted on the upper part of the screening belt 12. The end of the rotating shaft 18 rotates through the side wall of the sorting box 1. A transmission belt 19 is sleeved between the rotating shaft 18 and the output shaft of the servo motor 16. Multiple rubber scrapers 20 are fixedly mounted on the rotating shaft 18 at equal intervals. Through the transmission belt 19, the rotating shaft 18 can be rotated, which facilitates the rotation of the rubber scrapers 20, thereby facilitating the flat spreading of caprolactam inside, thus avoiding the accumulation of caprolactam and affecting the normal screening effect.
[0037] Furthermore, a pair of guide plates 21 are fixedly installed inside the sorting box 1. The pair of guide plates 21 are located between the screening belt 12 and the screening belt 13. Two sets of guide plates 22 and diverting plates 23 are symmetrically fixedly installed inside the sorting box 1. Each set of guide plates 22 and diverting plates 23 is located in the middle of the screening belt 12 and the screening belt 13, respectively. The guide plates 21 and 22 can prevent caprolactam from accidentally entering the intersection of the screening belt and the sorting box 1. The diverting plates 23 can divert the falling caprolactam and prevent caprolactam from accumulating in the middle of the screening belt 12 and the screening belt 13.
[0038] Furthermore, a pair of placement plates 5 are fixedly installed on the side of the sorting box 1 near the feeding plate 4. A receiving box 6 is slidably installed on the placement plate 5, and a receiving box 7 is slidably installed on the inner bottom of the sorting box 1. The receiving box 6 and the receiving box 7 can be used to collect the sorted caprolactam in a centralized manner, thereby improving the efficiency of sorting and collection.
[0039] The specific working method is as follows: the caprolactam granules are fed into the sorting box 1 through the feed hopper 2. The servo motor 16 is started, and the active gear ring 17, the driven gear ring 14, the transmission belt 15 and the transmission belt 2 19 drive the screening belt 12 and the screening belt 2 13 and the rubber scraper 20 to rotate, which facilitates the flattening and screening of the caprolactam granules. Smaller caprolactam particles fall through the through holes on the screening belt 12 and the screening belt 2 13, thereby achieving the sorting effect. Furthermore, as the screening belt 12 and the screening belt 2 13 run, they carry the caprolactam granules for conveying, thereby achieving the effect of material collection.
[0040] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this utility model are common knowledge to those skilled in the art.
Claims
1. A high-purity caprolactam refining device, comprising a sorting box (1), wherein a feed hopper (2) is fixedly connected to the top of the sorting box (1), characterized in that: The sorting box (1) has a pair of feeding ports (3) on one side, and each feeding port (3) is fixedly installed with a feeding plate (4), and also includes; The sorting component is disposed inside the sorting box (1); The sorting assembly includes a first drive shaft (8), a second drive shaft (9), a first driven shaft (10), and a second driven shaft (11) that are rotatably installed inside the sorting box (1); A transmission assembly is disposed on one side of the sorting box (1); The transmission assembly includes a servo motor (16) fixedly mounted on one side of the sorting box (1).
2. The high-purity caprolactam refining equipment according to claim 1, characterized in that: A screening belt (12) is provided between the first drive shaft (8) and the first driven shaft (10), and a screening belt (13) is provided between the second drive shaft (9) and the second driven shaft (11).
3. The high-purity caprolactam refining equipment according to claim 1, characterized in that: A driven gear ring (14) is fixedly installed at the end of the drive shaft (8) near the outside of the sorting box (1), and a drive gear ring (17) is fixedly installed on the output shaft of the servo motor (16). The drive gear ring (17) and the driven gear ring (14) mesh with each other, and a transmission belt (15) is sleeved between the drive shaft (8) and the drive shaft (9).
4. The high-purity caprolactam refining equipment according to claim 1, characterized in that: Inside the sorting box (1), a rotating shaft (18) is rotatably mounted on the upper part of the screening belt (12). The end of the rotating shaft (18) rotates through the side wall of the sorting box (1). A transmission belt (19) is sleeved between the rotating shaft (18) and the output shaft of the servo motor (16). Multiple rubber scrapers (20) are fixedly mounted on the rotating shaft (18) at equal intervals.
5. The high-purity caprolactam refining equipment according to claim 1, characterized in that: The sorting box (1) is fixedly installed with a pair of guide plates (21), which are located between the screening belt (12) and the screening belt (13). The sorting box (1) is also fixedly installed with two sets of guide plates (22) and diverting plates (23) symmetrically, which are located in the middle of the screening belt (12) and the screening belt (13) respectively.
6. The high-purity caprolactam refining equipment according to claim 1, characterized in that: A pair of placement plates (5) are fixedly installed on the side of the sorting box (1) near the feeding plate (4). A receiving box (6) is slidably installed on the placement plate (5), and a receiving box (7) is slidably installed on the bottom of the sorting box (1).