CN221167218U - Detachable energy-saving pressure screen rotor structure - Google Patents
Detachable energy-saving pressure screen rotor structure Download PDFInfo
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- CN221167218U CN221167218U CN202322909336.7U CN202322909336U CN221167218U CN 221167218 U CN221167218 U CN 221167218U CN 202322909336 U CN202322909336 U CN 202322909336U CN 221167218 U CN221167218 U CN 221167218U
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- seat
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 13
- 238000003466 welding Methods 0.000 description 8
- 239000002893 slag Substances 0.000 description 7
- 238000012216 screening Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The utility model discloses a detachable energy-saving pressure screen rotor structure, which comprises a rotor body, wherein the rotor body comprises a cylinder body, an annular upper flange and an annular lower flange; the upper flange is connected with the top of the cylinder body, and the lower flange is connected with the middle lower part of the cylinder body; the periphery of the outer wall of the cylinder body is connected with a plurality of spiral blades which are staggered around the rotation center of the cylinder body; the rotor core seat is arranged in the rotor body and comprises a rotor seat, a steel pipe, an annular first flange and a second flange; the center of the rotor seat is provided with a conical hole matched with the transmission shaft; the top of the rotor seat is coaxially connected with the steel pipe, and the first flange is coaxially connected with the top of the steel pipe; the second flange is coaxially connected with the periphery of the rotor seat; the upper surface of the second flange is abutted with the lower surface of the lower flange, and bolt holes for connecting the rotor core seat and the rotor body through bolts are correspondingly formed in the first flange and the upper flange; the utility model has low maintenance cost and convenient disassembly and maintenance process.
Description
Technical Field
The utility model relates to the technical field of slurry screening, in particular to a detachable energy-saving pressure screen rotor structure.
Background
The pressure screen rotor is widely applied to the papermaking industry, and screens various sizing agents in a rotary mode; the core components of the pressure screen rotor are a cylinder body and blades, the existing pressure screen rotor generally adopts an integral structure, and the designed blades are thicker to ensure the reliable connection of the blades, so that the rotor has high energy consumption; when the rotor cannot be used normally due to abrasion, the rotor needs to be replaced integrally, and the replacement and maintenance costs are high; the rotor is matched and connected with the transmission shaft in the middle of the rotor, and the replacement operation of a worker on the worn rotor is influenced due to the limitation of an operation space; therefore, the structure of the cylinder body needs to be reasonably designed, so that the maintenance is convenient, the cost is reduced, and the screening efficiency is improved.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, provides a detachable energy-saving pressure screen rotor structure, and solves the problems of high maintenance cost and inconvenient disassembly and replacement of the existing pressure screen rotor.
The technical scheme adopted for solving the technical problems is as follows:
The detachable energy-saving pressure screen rotor structure comprises a rotor body and a rotor core seat positioned in the rotor body, wherein the rotor body comprises a cylinder body, an annular upper flange, an annular lower flange and spiral blades; the upper flange is connected with the top of the cylinder body, and the lower flange is connected with the middle lower part of the cylinder body; the periphery of the outer wall of the cylinder body is connected with a plurality of blades which are staggered around the rotation center of the cylinder body; the rotor core seat comprises a rotor seat, a steel pipe, an annular first flange and an annular second flange; the center of the cylindrical rotor seat is provided with a conical hole matched with the transmission shaft; the top of the rotor seat is coaxially connected with the bottom of the steel pipe, and the first flange is coaxially connected with the periphery of the top of the steel pipe; the second flange is coaxially connected with the periphery of the rotor seat; the upper surface of the second flange is abutted with the lower surface of the lower flange; bolt holes for bolting the rotor core seat and the rotor body are correspondingly formed in the first flange and the upper flange.
Preferably, two annular first sealing grooves are arranged on the connecting surface of the first flange and the upper flange; the first sealing groove is concentrically arranged with the rotation center of the cylinder body; the bolt holes are located between the two first sealing grooves.
Preferably, an annular sinking platform is arranged around the upper surface of the second flange, an annular sinking platform is arranged on the lower surface of the lower flange, the upper surface of the sinking platform is contacted with the lower surface of the sinking platform, and an annular second sealing groove is arranged on the upper surface of the sinking platform; the periphery of the second flange is contacted with the side wall of the sinking table, and annular third sealing grooves are formed in the periphery of the second flange.
Preferably, the bottom of the second flange is uniformly distributed with arc-shaped spoilers around the rotation center of the cylinder, and the uplift direction of the spoilers is the same as the steering direction of the cylinder.
Preferably, the outer wall of the steel pipe is connected with a first rib plate at the periphery, the upper end of the first rib plate is connected with the first flange, and the lower end of the first rib plate is connected with the second flange.
Preferably, the rotor body further comprises a gland for covering the central hole of the upper flange, the gland being bolted to the upper flange.
Preferably, the thickness of the front end of the blade is larger than that of the rear end of the blade, the front end and the rear end of the blade are provided with circular arcs tangent to each other, the connecting surface of the blade and the cylinder body is an arc surface, and the diameter of the arc surface is the same as that of the cylinder body.
Preferably, the rotor body further comprises a second rib plate and an annular reinforcing ring, the periphery of the reinforcing ring is connected with the middle of the cylinder body, the side face of the second rib plate is connected with the inner wall of the cylinder body, the upper end of the second rib plate is connected with the upper flange, and the lower end of the second rib plate is connected with the reinforcing ring.
The utility model has the following beneficial effects:
1. The utility model provides a detachable energy-saving pressure screen rotor structure, which comprises a rotor body and a rotor core seat, wherein the rotor body comprises a cylinder body, an annular upper flange and an annular lower flange are welded and connected up and down of the cylinder body, the rotor core seat is positioned in the rotor body, the rotor core seat comprises a rotor seat and a first flange connected with the upper flange through bolts, and the first flange is connected with the rotor seat through a steel pipe; the periphery of the rotor seat is limited on the lower flange through a second flange; the rotor body can be detached from the rotor core seat only by detaching the connecting bolts of the upper flange and the first flange, the rotor core seat is not required to be detached, the worn rotor body is quickly replaced, the split design maintenance cost is low, and the detachment and maintenance process is convenient.
2. The barrel outer wall of rotor body sets up the blade, and the blade adopts frivolous shape to the staggered welding is at the outer wall of barrel, and frivolous blade makes the running power of rotor drop greatly, and the slag thick liquid in the spiral blade helps paper pulp to leave the screening district fast moreover, gets into the slag thick liquid pipe, improves screening efficiency.
3. The first flange with the junction surface of last flange sets up two annular first seal grooves to arrange the bolt hole that the connection was used two between the first seal groove, play the dual seal guard action of junction surface, effectively avoid the thick liquid to reveal from the top and get into inside the rotor, avoid the rotor to lose balance and damage equipment.
4. The upper surface of second flange sets up the subsidence platform, and the lower surface of lower flange sets up the subsidence platform, and the contact surface of the upper surface of subsidence platform and the lower surface of subsidence platform sets up the second seal groove, the side wall contact surface of second flange and subsidence platform all around sets up the third seal groove, establishes twice sealed face between lower flange and second flange, effectively avoids the thick liquid to reveal from the bottom and get into in the cavity between rotor core print seat and the barrel.
5. The rotor body still includes second gusset, annular strengthening ring, the strengthening ring all around with the middle part of barrel is connected, the side of second gusset with the inner wall connection of barrel, the inner wall of barrel, upper flange, strengthening ring are connected respectively to the side, the upper end of second gusset, lower extreme, improve the intensity of barrel, the joint strength of upper flange, are favorable to the lightweight design of the panel that the rotor body used, reduce the energy consumption.
6. The arc-shaped spoiler is arranged at the bottom of the second flange, the spoiler rotates along with the rotor, the slurry slag is pushed away from the rotating center, the mechanical seal is prevented from being damaged by the slurry slag, and the service life of the mechanical seal on the shaft is prolonged.
Drawings
The utility model is further described with reference to the accompanying drawings:
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is an external front view of the present utility model;
FIG. 3 is a schematic view of the rotor body structure of the present utility model;
FIG. 4 is a top view of the present utility model;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
FIG. 6 is an enlarged view of a portion of FIG. 1 at B;
FIG. 7 is a schematic view of a rotor core print of the present utility model;
FIG. 8 is a perspective view of a rotor core print of the present utility model;
Fig. 9 is a bottom view of the present utility model.
In the figure, 1, a rotor body; 11. a cylinder; 12. an upper flange; 13. a lower flange; 131. a sinking platform; 14. a blade; 15. a gland; 16. a second rib plate; 17. a reinforcing ring; 2. a rotor core seat; 21. a rotor seat; 211. a tapered bore; 22. a steel pipe; 23. a first flange; 231. a first seal groove; 24. a second flange; 241. a sinking platform; 242. a second seal groove; 243. a third seal groove; 25. a spoiler; 26. a first rib plate; 3. bolt holes.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1, 3 and 7, the utility model provides a detachable energy-saving pressure screen rotor structure, which comprises a rotor body 1 and a rotor core seat 2, wherein the rotor body 1 comprises a cylinder 11, an annular upper flange 12, an annular lower flange 13 and spiral blades 14; the upper flange 12 is connected with the top of the cylinder 11 by welding, and the lower flange 13 is connected with the middle lower part of the cylinder 11 by welding. Specifically, the upper flange 12 and the lower flange 13 are arranged up and down, the periphery of the upper flange 12 is welded with the inner wall of the cylinder 11, and the periphery of the lower flange 13 is welded with the inner wall of the cylinder 11. The rotor core seat 2 is connected with the rotor body 1 through the upper flange 12 and the lower flange 13 to form a detachable pressure screen rotor structure.
The periphery of the outer wall of the cylinder 11 is connected with a plurality of blades 14 through welding, and the blades 14 are staggered around the rotation center of the cylinder 11; the blades 14 are manufactured in a precision casting mode, and the blades 14 with light and thin shapes are adopted and welded on the outer wall of the cylinder 11 in a staggered manner; the thin and lightweight blades 14 cause a significant reduction in the operating power of the rotor. When the drive shaft rotates clockwise and the slurry in the internal slurry moves upward, the spiral direction of the blades 14 is opposite to the direction of the drive shaft; specifically, the spiral oblique angle of the spiral blades 14 is 45 degrees to 70 degrees, and the spiral blades 14 are beneficial to enabling the slurry in the paper pulp to quickly leave the screening area and enter the slurry pipe, so that the screening efficiency is improved.
The front end thickness of the blade 14 is larger than the rear end thickness of the blade 14, the front end and the rear end of the blade 14 are provided with circular arcs tangent to each other, the connecting surface of the blade 14 and the cylinder 11 is an arc surface, and the diameter of the arc surface is the same as that of the cylinder 11.
The rotor core seat 2 is positioned in the rotor body 1, and the rotor core seat 2 comprises a rotor seat 21, a steel pipe 22, an annular first flange 23 and a second flange 24; the center of the cylindrical rotor seat 21 is provided with a conical hole 211 matched with a transmission shaft, the inner wall of the conical hole 211 is provided with a key slot, the transmission shaft is connected with the rotor seat 21 through a key, and the power of a motor is transmitted to drive the rotor of the pressure screen to rotate.
The top of the rotor seat 21 is coaxially connected with the bottom of the steel pipe 22, and the first flange 23 is coaxially connected with the periphery of the top of the steel pipe 22 by welding; the second flange 24 is coaxially connected with the periphery of the rotor seat 21 by welding; the upper surface of the second flange 24 abuts against the lower surface of the lower flange 13; the first flange 23 and the upper flange 12 are correspondingly provided with bolt holes 3 for bolting the rotor core holder 2 and the rotor body 1, and preferably, the bolt holes 3 are uniformly distributed around the circumference of the rotation center of the cylinder 11.
As shown in fig. 5, two annular first sealing grooves 231 are arranged on the connecting surface of the first flange 23 and the upper flange 12; the first seal groove 231 is disposed concentrically with the rotation center of the cylinder 11; the bolt hole 3 is located between the two first seal grooves 231. The first seal groove 231 plays a role of double seal protection of the connection surface. The sealing rings are arranged in the two first sealing grooves 231, and after the first flange 23 is connected with the upper flange 12, the sealing rings in the first sealing grooves 231 are used for preventing slurry from leaking into the rotor from the top, so that the rotor is prevented from losing balance and damaging equipment.
As shown in fig. 3, 6 and 7, an annular upper sinking platform 241 is arranged around the upper surface of the second flange 24, an annular sinking platform 131 is arranged on the lower surface of the lower flange 13, the upper surface of the upper sinking platform 241 is in contact with the lower surface of the sinking platform 131, and an annular second sealing groove 242 is arranged on the upper surface of the upper sinking platform 241; the periphery of the second flange 24 contacts with the side wall of the sinking platform 131, and an annular third sealing groove 243 is formed in the periphery of the second flange 24.
Sealing rings are installed in the second sealing groove 242 and the third sealing groove 243, and the transverse contact surface and the vertical contact surface of the lower flange 13 and the second flange 24 are respectively sealed through the second sealing groove 242 and the third sealing groove 243, so that slurry is prevented from leaking into a cavity between the rotor core seat 2 and the cylinder 11 from the bottom, and the rotor is prevented from losing balance and damaging equipment.
As shown in fig. 7 and 9, the bottom of the second flange 24 is uniformly provided with arc-shaped spoilers 25 around the rotation center of the cylinder 11, and the rising direction of the spoilers 25 is the same as the rotation direction of the cylinder 11. The arrangement of the spoiler 25 can enhance the fluidity of the slurry slag entering the bottom of the rotor, and when rotating, the slurry slag is pushed away from the center, so that the mechanical seal arranged on the shaft is protected from being damaged by the slurry slag, and the service life of the mechanical seal is prolonged.
As shown in fig. 7 and 8, the outer wall of the steel pipe 22 is connected with a first rib plate 26 around, the upper end of the first rib plate 26 is connected with a first flange 23, and the lower end is connected with a second flange 24. Specifically, the outer wall of the steel pipe 22 is welded and connected with trapezoidal first rib plates 26, and a plurality of first rib plates 26 are uniformly distributed around the rotation center of the cylinder 11 so as to improve the strength of the rotor core seat 2.
As shown in fig. 4 and 5, the rotor body 1 further includes a pressing cover 15 for covering the central hole of the upper flange 12, and the pressing cover 15 is bolted to the upper flange 12. Specifically, the gland 15 is provided with a mounting hole corresponding to the bolt hole 3, and the gland 15, the upper flange 12 and the first flange 23 are sequentially connected from top to bottom by adopting the same set of bolts; a sealing ring is arranged between the connecting surface of the gland 15 and the upper flange 12, and slurry is prevented from leaking into the rotor from the top through the gland 15, so that the rotor is prevented from losing balance and damaging equipment.
As shown in fig. 3, the rotor body 1 further comprises a second rib plate 16 and an annular reinforcing ring 17, the periphery of the reinforcing ring 17 is connected with the middle part of the cylinder 11, the side surface of the second rib plate 16 is connected with the inner wall of the cylinder 11, the second rib plate 16 is triangular, and a plurality of second rib plates 16 are uniformly distributed around the rotation center of the cylinder 11; the upper end of the second rib plate 16 is connected with the upper flange 12 by welding, and the lower end is connected with the reinforcing ring 17 by welding. The strength of the round cylinder 11 is kept through the reinforcing ring 17 and the second rib plate 16, so that the connection strength of the upper flange 12 is improved, and the lightweight design of the plates used by the rotor body 1 is facilitated.
In the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. refer to the orientation or positional relationship based on that shown in the drawings, and are merely for the purpose of describing the present utility model and do not require that the present utility model must be constructed or operated in a specific orientation, and thus should not be construed as limiting the present utility model. "connected" and "connected" in the present utility model are to be understood broadly, and may be, for example, connected or detachably connected; the connection may be direct or indirect through intermediate members, and the specific meaning of the terms may be understood in detail by those skilled in the art.
The foregoing has been described in what is considered to be the preferred embodiments of the utility model, and the description of specific examples is only intended to provide a better understanding of the principles of the utility model. It will be apparent to those skilled in the art that modifications and equivalents may be made in accordance with the principles of the utility model, and such modifications and equivalents are considered to fall within the scope of the utility model.
Claims (8)
1. The detachable energy-saving pressure screen rotor structure comprises a rotor body (1) and is characterized by further comprising a rotor core seat (2) positioned in the rotor body (1), wherein the rotor body (1) comprises a cylinder body (11), an annular upper flange (12) and a lower flange (13) and spiral blades (14); the upper flange (12) is connected with the top of the cylinder (11), and the lower flange (13) is connected with the middle lower part of the cylinder (11); the periphery of the outer wall of the cylinder body (11) is connected with a plurality of blades (14), and the blades (14) are staggered around the rotation center of the cylinder body (11);
The rotor core seat (2) comprises a rotor seat (21), a steel pipe (22), an annular first flange (23) and a second flange (24); a conical hole (211) matched with the transmission shaft is arranged in the center of the cylindrical rotor seat (21); the top of the rotor seat (21) is coaxially connected with the bottom of the steel pipe (22), and the first flange (23) is coaxially connected with the periphery of the top of the steel pipe (22); the second flange (24) is coaxially connected with the periphery of the rotor seat (21); the upper surface of the second flange (24) is abutted with the lower surface of the lower flange (13); bolt holes (3) for bolting the rotor core seat (2) and the rotor body (1) are correspondingly formed in the first flange (23) and the upper flange (12).
2. A detachable energy-saving pressure screen rotor structure according to claim 1, characterized in that the connection surface of the first flange (23) and the upper flange (12) is provided with two annular first sealing grooves (231); the first sealing groove (231) is concentrically arranged with the rotation center of the cylinder body (11); the bolt holes (3) are located between the two first seal grooves (231).
3. The detachable energy-saving pressure screen rotor structure according to claim 1, wherein an annular sinking table (241) is arranged around the upper surface of the second flange (24), an annular sinking table (131) is arranged on the lower surface of the lower flange (13), the upper surface of the sinking table (241) is in contact with the lower surface of the sinking table (131), and an annular second sealing groove (242) is arranged on the upper surface of the sinking table (241); the periphery of the second flange (24) is in contact with the side wall of the sinking table (131), and an annular third sealing groove (243) is formed in the periphery of the second flange (24).
4. The detachable energy-saving pressure screen rotor structure according to claim 1, wherein arc-shaped spoilers (25) are uniformly distributed at the bottom of the second flange (24) around the rotation center of the cylinder (11), and the bulge direction of the spoilers (25) is the same as the rotation direction of the cylinder (11).
5. The detachable energy-saving pressure screen rotor structure according to claim 1, wherein a first rib plate (26) is connected around the outer wall of the steel pipe (22), the upper end of the first rib plate (26) is connected with the first flange (23), and the lower end is connected with the second flange (24).
6. A detachable energy saving pressure screen rotor structure according to claim 1, characterized in that the rotor body (1) further comprises a gland (15) for covering the central hole of the upper flange (12), the gland (15) being bolted to the upper flange (12).
7. The detachable energy-saving pressure screen rotor structure according to claim 1, wherein the thickness of the front end of the blade (14) is greater than the thickness of the rear end of the blade (14), the front end and the rear end of the blade (14) are provided with circular arcs tangent to each other, the connecting surface of the blade (14) with the cylinder (11) is a circular arc surface, and the diameter of the circular arc surface is the same as the diameter of the cylinder (11).
8. The detachable energy-saving pressure screen rotor structure according to claim 1, wherein the rotor body (1) further comprises a second rib plate (16) and an annular reinforcing ring (17), the periphery of the reinforcing ring (17) is connected with the middle part of the cylinder body (11), the side surface of the second rib plate (16) is connected with the inner wall of the cylinder body (11), the upper end of the second rib plate (16) is connected with the upper flange (12), and the lower end of the second rib plate is connected with the reinforcing ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322909336.7U CN221167218U (en) | 2023-10-30 | 2023-10-30 | Detachable energy-saving pressure screen rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322909336.7U CN221167218U (en) | 2023-10-30 | 2023-10-30 | Detachable energy-saving pressure screen rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221167218U true CN221167218U (en) | 2024-06-18 |
Family
ID=91531598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322909336.7U Active CN221167218U (en) | 2023-10-30 | 2023-10-30 | Detachable energy-saving pressure screen rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221167218U (en) |
-
2023
- 2023-10-30 CN CN202322909336.7U patent/CN221167218U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |