Wear-resistant and impact-resistant alloy cylinder structure for petrochemical granulation
By combining the wear-resistant alloy barrel with the outer cylinder and designing a cooling tank, the problems of wear and deformation of the petrochemical granulator cylinder are solved, extending its service life and reducing maintenance costs.
Patent Information
- Application Number
- CN202422641351.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The existing petrochemical granulator cylinder structure is prone to wear, cracking, or deformation under high pressure and high speed cutting, resulting in short service life and high maintenance costs.
It adopts a combination structure of wear-resistant alloy barrel and outer cylinder, with an internal cooling tank filled with coolant. The outer cylinder and alloy barrel are connected by screws. The alloy barrel is lined with wear-resistant ceramic, and the surface is carburized or nitrided to enhance wear resistance and corrosion resistance.
Effective control of cylinder temperature prevents cracks and deformation caused by thermal stress, extends service life, facilitates maintenance and replacement, and improves equipment practicality.
Smart Images

Figure CN223517458U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of granulator accessory device, particularly to a kind of wear-resistant and impact-resistant alloy cylinder structure for petrochemical granulation. BACKGROUND
[0002] As is known to all, in the petrochemical industry, granulation is an important step to convert liquid or molten polymer into granular products through a specific process. During the granulation process, the material is usually passed through a hole plate under high pressure and cut into small particles by a high-speed rotating cutter. This process is very large in terms of equipment wear and impact force, especially the core component of the granulator, the cylinder structure.
[0003] The existing cylinder structure is mostly made of ordinary steel or other metal materials, which can meet the basic use requirements, but in long-term use, it is found that long-time material flow will cause serious wear on the inner wall of the cylinder, increasing the maintenance cost, and under the action of high pressure and high-speed cutting, the cylinder is prone to cracks or deformation, affecting the service life, thus poor practicability. SUMMARY
[0004] To solve the above technical problems, the utility model provides a cylinder structure with high wear resistance and corrosion resistance, and can improve the service life and stability of the cylinder by the design of cooling liquid in the cooling tank between the outer cylinder and the alloy barrel, prevent cracks and deformation of the alloy barrel in high temperature environment, thus enhance the practicability of a kind of wear-resistant and impact-resistant alloy cylinder structure for petrochemical granulation.
[0005] The utility model relates to a kind of wear-resistant and impact-resistant alloy cylinder structure for petrochemical granulation, including alloy barrel, outer cylinder, four groups of clamping blocks, ten groups of first screw and ten groups of second screw, connecting ring is provided on the bottom outer wall of alloy barrel, the top of alloy barrel is provided with four groups of clamping grooves, the bottom of outer cylinder is connected with four groups of clamping blocks, four groups of clamping blocks are respectively clamped with clamping groove, the bottom of outer cylinder is tightly attached with connecting ring, the bottom of connecting ring is provided with ten groups of installation through-hole, the bottom of outer cylinder is provided with ten groups of installation screw hole, ten groups of first screw are respectively connected by installation through-hole and installation screw hole thread, the top of outer cylinder is provided with ten groups of fixed through-hole, the top of alloy barrel is provided with ten groups of fixed screw hole, ten groups of second screw are respectively connected by fixed through-hole and fixed screw hole thread, the bottom of connecting ring is provided with liquid inlet pipe (11), cooling tank is arranged between alloy barrel and outer cylinder, cooling liquid is arranged in cooling tank.
[0006] Preferably, it further includes a lid, a first thread is provided on the outer wall of the liquid inlet pipe (11), a second thread is provided on the inner end of the lid, and the first thread is threadedly connected with the second thread.
[0007] Preferably, the inner end of the alloy barrel is provided with a wear-resistant ceramic lining.
[0008] Preferably, reinforcing ribs are arranged on the outer wall of the alloy bucket.
[0009] Preferably, the top end of the connecting ring and the top end of the alloy bucket are both provided with a sealing ring.
[0010] Preferably, the alloy bucket is made of a metal alloy material containing chromium.
[0011] Preferably, the inner end of the alloy bucket and the outer end of the outer cylinder are subjected to carburizing or nitriding treatment.
[0012] Preferably, the wear-resistant ceramic lining and the outer wall of the outer cylinder are both coated with silicone paint.
[0013] Compared with the prior art, the utility model has the beneficial effects that: in the use of alloy passing, the utility model discloses a cooling tank is arranged between the outer cylinder and the alloy bucket, and is filled with cooling liquid, so that the temperature of the cylinder body in a high-temperature environment is effectively controlled, cracks and deformation caused by thermal stress are prevented, and the alloy bucket and the outer barrel can be conveniently disassembled and assembled through ten groups of first screws and ten groups of second screws, so that the replacement and maintenance of the outer cylinder and the inner cylinder in the later period are facilitated, cracks and deformation of the alloy bucket in a high-temperature environment are prevented, and the practicability is enhanced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is the connecting structure schematic view of the utility model;
[0015] Figure 2 is the bottom structure schematic view of the utility model;
[0016] Figure 3 is the connecting ring and sealing ring connecting structure schematic view of the utility model;
[0017] Figure 4 is the reinforcing rib structure schematic view of the utility model;
[0018] Figure 5 is the A local enlarged structure schematic view of the utility model;
[0019] Figure 6 is the B local enlarged structure schematic view of the utility model;
[0020] Markings in the drawings: 1, alloy bucket; 2, connecting ring; 3, outer cylinder; 4, clamping block; 5, first screw; 6, second screw; 7, cover; 8, wear-resistant ceramic lining; 9, reinforcing rib; 10, sealing ring; 11, liquid inlet pipe. DETAILED DESCRIPTION
[0021] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.
[0022] As shown in Figures 1 to 6 The utility model discloses a kind of wear-resistant and impact-resistant alloy cylinder structures for petrochemical granulation, including alloy bucket 1, outer tube 3, four groups of clamping blocks 4, ten groups of first screw 5 and ten groups of second screw 6, connecting ring 2 is provided on the bottom outer wall of alloy bucket 1, the top of alloy bucket 1 is provided with four groups of clamping grooves, the bottom of outer tube 3 is connected with four groups of clamping blocks 4, four groups of clamping blocks 4 are respectively clamped with clamping groove, the bottom of outer tube 3 is closely attached with connecting ring 2, the bottom of connecting ring 2 is provided with ten groups of installation through holes, the bottom of outer tube 3 is provided with ten groups of installation screw holes, ten groups of first screw 5 are respectively connected by installation through hole and installation screw hole thread, the top of outer tube 3 is provided with ten groups of fixed through holes, the top of alloy bucket 1 is provided with ten groups of fixed screw holes, ten groups of second screw 6 are respectively connected by fixed through hole and fixed screw hole thread, the bottom of connecting ring 2 is provided with liquid inlet pipe (11), cooling tank is provided between alloy bucket 1 and outer tube 3, cooling liquid is provided in cooling tank;The utility model is in the use of alloy passing through by being provided with cooling tank between outer tube and alloy bucket, and filling cooling liquid, the temperature of cylinder body under high temperature environment is effectively controlled, crack and deformation caused by thermal stress are prevented, and alloy bucket and outer bucket can be conveniently disassembled and assembled by ten groups of first screw and ten groups of second screw, so that the replacement and maintenance of outer tube and inner tube in later period are facilitated, so that crack and deformation of alloy bucket in high temperature environment are prevented, thereby enhancing practicability.
[0023] As a preferred embodiment of the above, it further comprises a lid 7, a first thread is provided on the outer wall of the liquid inlet pipe (11), a second thread is provided on the inner end of the lid 7, and the first thread is threadedly connected with the second thread; the lid can be used to open and close the liquid inlet pipe (11), facilitating the discharge and addition of the cooling liquid in the later period, thereby enhancing practicability.
[0024] As a preferred embodiment of the above, the inner end of the alloy bucket 1 is provided with a wear-resistant ceramic lining 8; the wear resistance of the inner end of the alloy bucket is enhanced by adding the wear-resistant ceramic lining, and the maintenance of the alloy bucket in the later period is facilitated, thereby enhancing practicability.
[0025] As a preferred embodiment of the above, a reinforcing rib 9 is provided on the outer wall of the alloy bucket 1; the overall rigidity and impact resistance can be improved by the reinforcing rib on the outer end of the alloy bucket, thereby enhancing practicability.
[0026] As a preferred embodiment of the above, the top end of the connecting ring 2 and the top end of the alloy bucket 1 are both provided with a sealing ring 10; the sealing property between the connecting ring and the inner end of the outer tube and the alloy bucket and the outer tube can be enhanced by the sealing ring, thereby enhancing practicability.
[0027] As a preferred embodiment of the above, the alloy barrel 1 is a metal alloy material containing chromium; it can improve the corrosion resistance, high temperature stability, high hardness and wear resistance of the alloy barrel, thereby enhancing the practicality.
[0028] As a preferred embodiment of the above, the surfaces of the inner end of the alloy barrel 1 and the outer end of the outer cylinder 3 are subjected to carburizing or nitriding treatment; it can improve the surface hardness, wear resistance, fatigue resistance, corrosion resistance and thermal stability of the alloy barrel and the outer cylinder, thereby enhancing the practicality.
[0029] As a preferred embodiment of the above, the wear-resistant ceramic lining 8 and the outer wall of the outer cylinder 3 are coated with silicone paint; it can improve the wear resistance, corrosion resistance and good thermal stability of the wear-resistant ceramic lining and the outer wall of the outer cylinder, thereby enhancing the practicality.
[0030] The working principle of the wear-resistant and impact-resistant alloy cylinder structure for petrochemical granulation is that, when working, first, the outer cylinder and the alloy barrel are connected through ten groups of first screws and ten groups of second screws, then the lid is opened, after that, the cooling liquid is injected between the outer cylinder and the alloy barrel, then the lid is closed, after that, the alloy barrel is installed, when using, the wear-resistant ceramic lining is arranged at the inner end of the alloy barrel to improve the wear resistance and corrosion resistance of the inner end of the alloy barrel, and the surfaces of the inner end of the alloy barrel and the outer end of the outer cylinder are subjected to carburizing or nitriding treatment by coating with silicone paint, thereby improving the wear resistance, corrosion resistance and thermal stability of the whole alloy barrel, so as to improve the overall service life of the equipment, and when maintaining and repairing in the later period, the outer cylinder and the alloy barrel can be disassembled through the ten groups of first screws and the ten groups of second screws, and after repairing and maintaining, they can be recombined.
[0031] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes.
[0032] In the utility model, "first", "second" and "third" do not represent specific quantity and order, but are only used for distinguishing names.
[0033] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the technical principles of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection range of the utility model.
Claims
1. A wear and impact resistant alloy cylinder structure for petrochemical pelletizing, characterized by, The alloy bucket (1), the outer cylinder (3), four groups of clamping blocks (4), ten groups of first screws (5) and ten groups of second screws (6), the bottom outer wall of the alloy bucket (1) is provided with a connecting ring (2), the top end of the alloy bucket (1) is provided with four groups of clamping grooves, the bottom end of the outer cylinder (3) is connected with four groups of clamping blocks (4), four groups of clamping blocks (4) are respectively clamped with clamping grooves, the bottom end of the outer cylinder (3) is in close contact with the connecting ring (2), the bottom end of the connecting ring (2) is provided with ten groups of mounting through holes, the bottom end of the outer cylinder (3) is provided with ten groups of mounting threaded holes, ten groups of first screws (5) are respectively connected with the mounting threaded holes through the mounting through holes, the top end of the outer cylinder (3) is provided with ten groups of fixed through holes, the top end of the alloy bucket (1) is provided with ten groups of fixed threaded holes, ten groups of second screws (6) are respectively connected with the fixed threaded holes through the fixed through holes, the bottom end of the connecting ring (2) is provided with a liquid inlet pipe (11), the alloy bucket (1) and the outer cylinder (3) are provided with a cooling tank, and the cooling tank is provided with cooling liquid.
2. A wear and impact resistant alloy cylinder structure for petrochemical prilling as claimed in claim 1, wherein, It also includes a lid (7), a first thread is arranged on the outer wall of the liquid inlet pipe (11), a second thread is arranged on the inner end of the lid (7), and the first thread is threadedly connected with the second thread.
3. A wear and impact resistant alloy cylinder structure for petrochemical prilling as claimed in claim 2, wherein, The inner end of the alloy bucket (1) is provided with a wear-resistant ceramic lining (8).
4. A wear and impact resistant alloy cylinder structure for petrochemical prilling as claimed in claim 3, wherein, The outer wall of the alloy bucket (1) is provided with a reinforcing rib (9).
5. A wear and impact resistant alloy cylinder structure for petrochemical prilling as claimed in claim 4, wherein, The top end of the connecting ring (2) and the top end of the alloy bucket (1) are both provided with a sealing ring (10).
6. A wear and impact resistant alloy cylinder structure for petrochemical prilling as claimed in claim 5, wherein, The alloy bucket (1) is a metal alloy material containing chromium.
7. A wear and impact resistant alloy cylinder structure for petrochemical prilling as claimed in claim 6, wherein, The inner end of the alloy bucket (1) and the outer end of the outer cylinder (3) are subjected to carburizing or nitriding treatment.
8. A wear and impact resistant alloy cylinder structure for petrochemical prilling as claimed in claim 7, wherein, The wear-resistant ceramic lining (8) and the outer wall of the outer cylinder (3) are both coated with silicone paint.