Dryer sealing structure
By adopting lubricating oil sealing structure in the dryer, the problems of shoulder wear and leakage are solved, equipment failure rate and maintenance costs are reduced, and operating efficiency and safety are improved.
Patent Information
- Application Number
- CN202420834726.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-22
AI Technical Summary
During the use of the dryer, the shaft shoulder wear is caused by high temperature and waste slag wear, and the long-term use of graphite packs causes the shaft shoulder wear, which increases the equipment failure rate and maintenance costs.
A dryer sealing structure is adopted, including a body and a sealing member. The sealing member is composed of a first pack, a second pack, an oil injection pipe and an oil injection ring. Both ends of the oil injection ring are topped by the first pack and the second pack. The oil injection pipe passes into the oil injection hole, and lubricating oil is used to replace the graphite pack sealing.
It effectively reduces the wear of the shaft shoulder, reduces the risk of leakage, greatly reduces the equipment failure rate, and improves the operating efficiency and operation safety of the equipment.
Smart Images
Figure CN222702555U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dryer equipment, in particular to a dryer sealing structure. Background Art
[0002] In the chemical and other industrial production processes, waste slag recycling devices are widely used. There is a lot of water in the waste slag. If the waste slag is to be reused or scrapped, the water must be evaporated and dried. At present, this process must use a dryer to dry the waste slag before it can be used or scrapped. However, during the use of the dryer, the most common cause of damage is that the front and rear shafts are worn during the rotation of the shaft due to high temperature and waste slag wear, causing the shaft shoulder to wear and leak steam, or toxic, harmful, flammable and explosive gases. In addition, due to the long-term use of graphite packing, the graphite and waste slag will wear the shaft shoulder during the rotation of the shaft. Long-term wear will inevitably cause damage to the shaft shoulder body. Due to defects caused by the wear of the shaft shoulder body, the packing will eventually be replaced. Even so, it cannot play a sealing and leak-proof role, resulting in the need for repeated inspections of the device or repair welding of the stirring shaft. The repair cycle of inspection and repair welding is long, which seriously affects production and increases maintenance costs. Utility Model Content
[0003] In view of this, an embodiment of the utility model provides a dryer sealing structure, the main purpose of which is to provide a dryer sealing structure that reduces shaft shoulder wear and reduces the risk of leakage.
[0004] In order to achieve the above purpose, the utility model mainly provides the following technical solutions:
[0005] The utility model embodiment provides a dryer sealing structure, comprising:
[0006] A body, the body comprising an end plate, a shell and a gland, the end plate and the gland are arranged at two ends of the shell, and the shell has an oil injection hole;
[0007] The sealing component comprises a first packing, a second packing, an oil filling pipe and an oil filling ring. Two ends of the oil filling ring are respectively connected to the first packing and the second packing, and one end of the oil filling pipe extends into the oil filling hole.
[0008] Furthermore, the first packing is arranged between the oil injection ring and the end plate, and the second packing is arranged between the oil injection ring and the gland.
[0009] Furthermore, the oil filling ring comprises a ring body, the ring body is arranged inside the shell, and a first cavity is provided between the shell and the ring body for loading lubricating oil.
[0010] Furthermore, the ring body includes a first ring body, a second ring body and a third ring body, the second ring body is located between the first ring body and the third ring body, the second ring body has a plurality of oil holes, and the thickness of the second ring body is smaller than the thickness of the first ring body and the third ring body.
[0011] Furthermore, a central axis passes through the end plate, the first packing, the ring body, the second packing and the gland in sequence.
[0012] Furthermore, the first packing and the second packing are butter packing.
[0013] Furthermore, the sealing component also includes a plugging head, and the plugging head is threadedly connected to the oil filling pipe.
[0014] Furthermore, the material of the oil filling ring is one of carbon steel, stainless steel or pure copper.
[0015] Compared with the prior art, the utility model has the following technical effects:
[0016] In the technical solution provided by the embodiment of the utility model, the function of the main body is to support the sealing component, the main body includes an end plate, a shell and a pressure cover, the end plate and the pressure cover are arranged at both ends of the shell, and the shell has an oil filling hole; the function of the sealing component is to seal the lubricating oil, the sealing component includes a first packing, a second packing, an oil filling pipe and an oil filling ring, the two ends of the oil filling ring are respectively connected to the first packing and the second packing, and one end of the oil filling pipe extends into the oil filling hole. Compared with the prior art, during the rotation of the front and rear shafts, the high temperature and waste residue wear will cause the shaft shoulder to wear and leak steam, or toxic, harmful, flammable and explosive gases, and due to the long-term use of graphite packing, the graphite and waste residue will wear the shaft shoulder during the rotation of the shaft. Long-term wear is bound to damage the shaft shoulder itself. The body is damaged, and defects will appear due to the wear of the shoulder body. The packing will eventually be replaced. Even so, it cannot play a role in sealing and leak prevention, which leads to the need for repeated maintenance of the device or repair welding of the stirring shaft. The repair cycle of maintenance and repair welding is long, which seriously affects production and increases maintenance costs. In this technical solution, an oil filling ring is arranged between the end plate and the gland, and a first packing and a second packing are arranged at both ends of the oil filling ring respectively. Then, the lubricating oil is passed into the gap between the oil filling ring and the shell through the oil filling pipe, and the graphite packing seal is replaced by lubricating oil, which avoids the shoulder wear and leakage caused by the graphite packing as a seal, greatly reduces the failure rate of the equipment, and thus achieves the technical effect of improving the operating efficiency and safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A structural schematic diagram of a dryer sealing structure provided by an embodiment of the utility model;
[0018] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure at AA in the middle. DETAILED DESCRIPTION
[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.
[0020] like Figure 1 and Figure 2 As shown, the embodiment of the utility model provides a dryer sealing structure, including:
[0021] The body includes an end plate 11, a shell 12 and a gland 13. The end plate 11 and the gland 13 are arranged at both ends of the shell 12. The shell 12 has an oil filling hole;
[0022] The sealing component includes a first packing 21, a second packing 22, an oil filling pipe 23 and an oil filling ring. Both ends of the oil filling ring are respectively connected to the first packing 21 and the second packing 22, and one end of the oil filling pipe 23 extends into the oil filling hole.
[0023] In the technical solution provided by the embodiment of the utility model, the function of the main body is to support the sealing component, the main body includes an end plate 11, a shell 12 and a pressure cover 13, the end plate 11 and the pressure cover 13 are arranged at both ends of the shell 12, and the shell 12 has an oil filling hole; the function of the sealing component is to seal the lubricating oil, the sealing component includes a first packing 21, a second packing 22, an oil filling pipe 23 and an oil filling ring, the two ends of the oil filling ring are respectively connected to the first packing 21 and the second packing 22, and one end of the oil filling pipe 23 extends into the oil filling hole. Compared with the prior art, during the rotation of the front and rear shafts, the high temperature and waste residue wear cause the shaft shoulder to wear and leak steam, or toxic, harmful, flammable and explosive gases, and due to the long-term use of graphite packing, the graphite and waste residue will wear the shaft shoulder during the rotation of the shaft, and the long-term wear, It is bound to cause damage to the shoulder body. Due to the wear and tear of the shoulder body, defects will appear, and the packing will eventually have to be replaced. Even so, it cannot play a role in sealing and leak prevention, which will lead to the need for repeated maintenance of the device or repair welding of the stirring shaft. The repair cycle of maintenance and repair welding is long, which seriously affects production and increases maintenance costs. In this technical solution, an oil filling ring is arranged between the end plate 11 and the pressure cover 13, and a first packing 21 and a second packing 22 are respectively arranged at both ends of the oil filling ring. Then, the lubricating oil is passed into the gap between the oil filling ring and the shell 12 through the oil filling pipe 23, and the graphite packing seal is replaced by lubricating oil, which avoids the shoulder wear and leakage problems caused by the graphite packing as a seal, greatly reduces the failure rate of the equipment, and thus achieves the technical effect of improving the operating efficiency and safety of the equipment.
[0024] The function of the above-mentioned body is to support the sealing component. The body includes an end plate 11, a shell 12 and a pressure cover 13. The end plate 11 and the pressure cover 13 are arranged at both ends of the shell 12. The shell 12 has an oil filling hole. The end plate 11 and the pressure cover 13 are used to close the two ends of the shell 12. During installation, one side of the end plate 11 is fixed to one end of the shell 12 by welding, and the pressure cover 13 is connected to the shell 12 by threaded connection. The shell 12 is a hollow structure. An axial hole is arranged at the center position of the end plate 11 and the pressure cover 13 for passing the central axis 3. An oil filling hole is arranged on the side of the shell 12 for injecting lubricating oil; the function of the sealing component is to seal the lubricating oil. The sealing component includes a first packing 21, a second packing 22, an oil filling pipe 23 and an oil filling ring. The two ends of the oil filling ring are respectively connected to the first packing 21 and the second packing 22, one end of the oil filling pipe 23 extends into the oil filling hole, and the first packing 21 and the second The packing 22 is a butter packing. Specifically, the first packing 21 is arranged between the oil filling ring and the end plate 11, and the second packing 22 is arranged between the oil filling ring and the pressure cover 13. During installation, the first packing 21 is first installed at a position close to the end plate 11. The first packing 21 is composed of two layers of butter packing. Then, one end of the oil filling ring is fitted with the first packing 21, and then the second packing 22 is installed. The second packing 22 is composed of three layers of butter packing. Under normal circumstances, the replacement cycle of the first packing 21 and the second packing 22 is 7 to 8 months. Then, the pressure cover 13 is closed, and the oil filling pipe 23 is installed on the oil filling hole. Oil is filled into the gap between the shell 12 and the oil filling ring, so that the lubricating oil seals the central shaft 3, avoiding the shoulder wear and leakage problems caused by the graphite packing for sealing, greatly reducing the failure rate of the equipment, thereby achieving the technical effect of improving the operating efficiency and safety of the equipment.
[0025] Furthermore, the oil filling ring includes a ring body, which is arranged inside the shell 12, and a first cavity 244 is provided between the shell 12 and the ring body for loading lubricating oil. In this embodiment, the oil filling ring is further defined, and the material of the oil filling ring is one of carbon steel, stainless steel or pure copper. The oil filling ring is composed of a circular ring structure, and the ring body is arranged inside the shell 12, and a first cavity 244 is provided between the ring body and the shell 12. Lubricating oil is loaded in the first cavity 244, and the cavity between the ring body and the central axis 3 also needs to be loaded with lubricating oil. The ring body can support the space between the first packing 21 and the second packing 22, so as to improve the support of the sealing component. Specifically, the ring body includes a first ring body 241, a second ring body 242 and a third ring body 243. The second ring body 24 2 is located between the first ring body 241 and the third ring body 243. The second ring body 242 has a plurality of oil holes 245. The thickness of the second ring body 242 is smaller than that of the first ring body 241 and the third ring body 243. When the lubricating oil enters the area between the ring body and the housing 12, the lubricating oil can flow from the oil holes 245 into the area between the ring body and the central shaft 3. The central shaft 3 passes through the end plate 11, the first packing 21, the ring body, the second packing 22 and the gland 13 in sequence. The lubricating oil enters the surface of the central shaft 3, so that when the central shaft 3 rotates, the wear of the shaft shoulder can be greatly reduced, thereby avoiding the leakage problem.
[0026] Furthermore, the sealing component further includes a plugging head 25, which is threadedly connected to the oil filling pipe 23. In this embodiment, the plugging head 25 is added, the inner wall of the plugging head 25 is provided with an internal thread, and the outer side of one end of the oil filling pipe 23 is provided with an external thread, so that the plugging head 25 can plug the oil filling pipe 23 by threaded connection. When oil filling is required, the plugging head 25 can be rotated to open the oil filling pipe 23. Under normal circumstances, oil filling can be performed once every two to three days.
[0027] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A dryer sealing structure, characterized in that: include: A body, the body comprising an end plate, a shell and a gland, the end plate and the gland are arranged at two ends of the shell, and the shell has an oil injection hole; The sealing component comprises a first packing, a second packing, an oil filling pipe and an oil filling ring. Two ends of the oil filling ring are respectively connected to the first packing and the second packing, and one end of the oil filling pipe extends into the oil filling hole.
2. A dryer sealing structure according to claim 1, characterized in that: The first packing is arranged between the oil injection ring and the end plate, and the second packing is arranged between the oil injection ring and the gland.
3. A dryer sealing structure according to claim 2, characterized in that: The oil filling ring comprises a ring body, and the ring body is arranged inside the housing. A first cavity is provided between the housing and the ring body for loading lubricating oil.
4. A dryer sealing structure according to claim 3, characterized in that: The ring body includes a first ring body, a second ring body and a third ring body. The second ring body is located between the first ring body and the third ring body. The second ring body has a plurality of oil holes. The thickness of the second ring body is smaller than that of the first ring body and the third ring body.
5. A dryer sealing structure according to claim 4, characterized in that: Also includes: A central axis passes through the end plate, the first packing, the ring body, the second packing and the gland in sequence.
6. A dryer sealing structure according to any one of claims 1 to 5, characterized in that: The first packing and the second packing are butter packing.
7. A dryer sealing structure according to any one of claims 1 to 5, characterized in that: The sealing component further comprises a plugging head, and the plugging head is threadedly connected to the oil filling pipe.
8. A dryer sealing structure according to any one of claims 1 to 5, characterized in that: The material of the oil filling ring is one of carbon steel, stainless steel or pure copper.