CN219765614U - Powder concentrator rotor device capable of detachably limiting blade group - Google Patents

Powder concentrator rotor device capable of detachably limiting blade group Download PDF

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Publication number
CN219765614U
CN219765614U CN202320335061.8U CN202320335061U CN219765614U CN 219765614 U CN219765614 U CN 219765614U CN 202320335061 U CN202320335061 U CN 202320335061U CN 219765614 U CN219765614 U CN 219765614U
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China
Prior art keywords
baffle
rotor
partition plate
blade
rotor blade
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CN202320335061.8U
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Chinese (zh)
Inventor
周涛
王宣
张益阔
黄洪风
王军
夏莹
江军
高�勋
屈冬婷
王利辉
吴小强
宋建林
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CITIC Heavy Industries Co Ltd
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CITIC Heavy Industries Co Ltd
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Priority to CN202320335061.8U priority Critical patent/CN219765614U/en
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Abstract

The utility model provides a can dismantle selection powder machine rotor device who prescribes a limit to blade group, relate to vertical roller mill field, including the rotor body, the rotor body comprises top baffle from top to bottom interval arrangement, upper portion baffle, lower part baffle, bottom baffle, radial symmetry has arranged a plurality of rotor blade groups between top baffle and lower part baffle, arbitrary one group rotor blade group all includes two outer baffles from top to bottom, rotor blade B and interior separation blade, two outer baffles set up from top to bottom interval, rotor blade B is provided with many, and upper and lower both ends all reach the mouth structure, insert respectively and establish in the recess of two outer baffles, the detent groove has all been seted up at rotor blade B upper and lower both ends inboard, the lower inboard of upper portion outer baffle, the inboard of the higher authority of lower portion outer baffle all is equipped with chucking rotor blade B, two outer baffles and interior separation blade are all fixed through fastening bolt respectively; the structure of the utility model has simple replacement and light structure, and is beneficial to reducing the production and manufacturing cost and the installation difficulty of the positioning hole.

Description

Powder concentrator rotor device capable of detachably limiting blade group
Technical Field
The utility model relates to the field of vertical roller mills, in particular to a powder concentrator rotor device with a detachable limiting blade group.
Background
As known, the internal working conditions of the vertical mill powder concentrator are relatively bad, the airflow velocity is high, the dust concentration is high, the rotor blades are easy to wear and lose efficacy, but the replacement of the blades is different in all brands of equipment; meanwhile, the powder concentrator bears continuous strong vibration, the manufacturing and installation requirements on the rotor of the powder concentrator and the dynamic balance requirements on the rotor are high, otherwise, the problem of large shaking of the powder concentrator is easily caused; in addition, the stator blades on the outer side of the rotor play a key role in oppositely grinding the quality, the welding of the stator blade reinforcing plates is generally carried out after the vertical mill reaches the standard, the operation cannot be carried out in the rotor of the powder concentrator due to the limitation of the rotor structure, only a high-altitude platform can be built between the shell of the powder concentrator and the stator blades, the working environment is extremely severe for constructors, and the labor intensity and the working time are greatly increased; meanwhile, the maintenance and replacement of the sealing structure on the outer side of the rotor are limited by the structure of the rotor, and cannot be easily implemented.
Currently, powder concentrator rotor devices can be broadly divided into the following categories: one is that the rotor blade is welded with the rotor body integrally, the blade is not easy to replace; one is that the rotor blade is independently arranged on the rotor body, the blade can be independently disassembled and replaced, but the dynamic balance of the rotor cannot be effectively ensured after the disassembly and the assembly, and the online dynamic balance is required to be carried out again if necessary; the rotor blades are arranged on the rotor body in groups and are fixed by pin holes or direct bolts, but the blades can not be replaced independently, especially for the condition that the rotor blades are dense and narrow, the combined structure is slightly heavy, and the combined structure is limited by the sealing structure at the outer side of the rotor and the inner cone structure of the combined structure, so that the aim of complete online disassembly can not be achieved. .
Disclosure of Invention
In order to overcome the defects in the background art, the utility model discloses a powder concentrator rotor device with a detachable limiting blade group.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
the rotor device of the powder concentrator comprises a rotor body, wherein the rotor body is of a cylindrical cage structure and consists of a top partition plate, an upper partition plate, a lower partition plate and a bottom partition plate which are arranged at intervals from top to bottom, and a plurality of vertical rotor blades A are uniformly distributed along the circumferential direction among the top partition plate, the upper partition plate, the lower partition plate and the bottom partition plate;
a plurality of rotor blade groups are radially and symmetrically arranged between the top partition plate and the lower partition plate, each rotor blade group comprises an upper outer baffle plate and a lower outer baffle plate, a rotor blade B and an inner baffle plate, the upper outer baffle plate and the lower outer baffle plate are arranged at intervals, the rotor blades B are provided with a plurality of rotor blade groups, the upper ends and the lower ends of the rotor blade groups are respectively inserted into grooves of the two outer baffle plates, stop grooves are respectively formed in the inner sides of the upper ends and the lower ends of the rotor blades B, the lower inner side of the upper outer baffle plate and the upper inner side of the lower outer baffle plate are respectively provided with an inner baffle plate for clamping the rotor blades B, and the two outer baffle plates and the inner baffle plates are respectively fixed through fastening bolts.
The rotor device of the powder concentrator, which can be disassembled to limit the blade group, is characterized in that a central tube is arranged at the center of the rotor body, a conical body is fixed below the middle part of the outer part of the central tube, and a plurality of supporting tubes connected with the outer surfaces of the central tube and the conical body are uniformly arranged at intervals along the circumferential directions of the top partition plate, the upper partition plate, the lower partition plate and the bottom partition plate.
The rotor device of the powder selecting machine, which can be disassembled and limited to the blade group, is characterized in that the rotor blade A is of a clamping and pushing type mounting structure, blade outer baffles are arranged on the outer sides of the upper surfaces of the top baffle, the upper baffle, the lower baffle and the bottom baffle, grooves are uniformly distributed along the circumferential direction of the blade outer baffles, blade inner baffles fixed through bolts are arranged on the inner sides of the upper surfaces of the top baffle, the upper baffle, the lower baffle and the bottom baffle, the upper end and the lower end of the rotor blade A are respectively clamped into the grooves on the blade outer baffles, and the inner sides of the upper end and the lower end of the rotor blade A are tightly pushed by the blade inner baffles.
The rotor device of the powder selecting machine, which can be disassembled to limit the blade group, is characterized in that the upper end of the cone is positioned at the upper part of the upper partition plate, and the lower end of the cone is fixed on the bottom partition plate.
The rotor device of the powder concentrator, which can be disassembled to limit the blade group, is characterized in that two outer baffle plates are all arc-shaped plates and are matched with the inner surface radian of the rotor body, and a plurality of refining bolts are respectively arranged on the two outer baffle plates and are fixedly connected with the top baffle plate and the lower baffle plate.
The rotor device of the powder concentrator, which can be disassembled to limit the blade group, is provided with a protective ring on the outer rings of the upper partition plate, the lower partition plate and the bottom partition plate.
The rotor device of the powder concentrator, which can be disassembled to limit the blade group, has a distance between the rotor blade group and the inner baffle and the outer baffle of the adjacent blades.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
1. according to the powder concentrator rotor device with the detachable limiting blade groups, the rotor blade groups are arranged in the rotor body, the reinforcing plates of the stator blades can be welded from the inside of the rotor after the rotor blade groups are detached, and the annular body is easy to wear and maintain in the later period, and other positions adopt a clamping and pushing type structure, so that the powder concentrator rotor device is simple in replacement, light in structure and beneficial to reducing the production and manufacturing cost and the installation difficulty of the positioning holes.
2. The rotor device of the powder concentrator with the detachable limiting blade group has the advantages that the rotor blade group is separated from the inner baffle plate of the adjacent blade and the outer baffle plate of the blade, and the rotor device is detachable from outside to inside, so that the rotor device is not limited by a sealing structure at the outer side of the rotor, and the purpose of online disassembly and assembly of the powder concentrator of the vertical mill is realized.
3. According to the rotor device of the powder selecting machine, disclosed by the utility model, the rotor blades B of the rotor blade group are connected with the inner baffle plate and the outer baffle plate by the stop clamping grooves, the two outer baffle plates and the inner baffle plate are fixed through the fastening bolts to be assembled integrally, so that the rotor blade group is convenient to be assembled and disassembled integrally without affecting the dynamic balance effect, and the rotor blades B of the rotor blade group can be disassembled and replaced independently by matching with the clamping and pushing structure of the rotor blade A, thereby being beneficial to saving the production and maintenance cost.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view of fig. 1 at i.
Fig. 3 is an enlarged view at ii in fig. 1.
Fig. 4 is an enlarged view at iii in fig. 1.
Fig. 5 is an enlarged view at iv in fig. 1.
FIG. 6 is a schematic perspective view of a rotor blade assembly according to the present utility model.
Fig. 7 is a schematic perspective view of the present utility model.
In the figure: 1. a rotor body; 2. a rotor blade set; 3. a rotor blade A; 4. a blade inner baffle; 5. a top separator; 6. an upper partition; 7. a guard ring; 8. a lower partition; 9. a blade outer baffle; 10. a bottom partition; 11. a central tube; 12. supporting the pipe; 13. a cone; 14. an outer baffle; 15. a rotor blade B; 16. an inner baffle; 17. reinforcing plate.
Detailed Description
The utility model will be explained in more detail by the following examples, the purpose of which is to protect all technical improvements within the scope of the utility model.
The rotor device of the powder concentrator, which is combined with the accompanying figures 1-7 and can be disassembled to limit a blade group, comprises a rotor body 1, wherein the rotor body 1 is in a cylindrical cage structure, and consists of a ring-shaped top partition plate 5, an upper partition plate 6, a lower partition plate 8 and a bottom partition plate 10 which are arranged at intervals from top to bottom, and a plurality of vertical rotor blades A3 are uniformly distributed along the circumferential direction among the top partition plate 5, the upper partition plate 6, the lower partition plate 8 and the bottom partition plate 10; a central tube 11 is arranged at the center of the rotor body 1, a conical body 13 is fixed at a position below the middle part of the outer part of the central tube 11, and a plurality of supporting tubes 12 connected with the central tube 11 and the outer surfaces of the conical bodies 13 are uniformly arranged at intervals along the circumferential directions of the top partition plate 5, the upper partition plate 6, the lower partition plate 8 and the bottom partition plate 10; the upper end of the cone 13 is positioned at the upper part of the upper partition plate 6, and the lower end is fixed on the bottom partition plate 10.
Further, a plurality of rotor blade groups 2 are radially and symmetrically arranged between the top partition plate 5 and the lower partition plate 8, each rotor blade group 2 comprises an upper outer baffle plate 14, a lower outer baffle plate 14, rotor blades B15 and an inner baffle plate 16, the two outer baffle plates 14 are arranged at intervals up and down, the rotor blades B15 are provided with a plurality of rotor blades, the upper end and the lower end of each rotor blade B15 are of a slot structure and are respectively inserted into grooves of the two outer baffle plates 14, retaining grooves are respectively formed in the inner sides of the upper end and the lower end of each rotor blade B15, inner baffle plates 16 for clamping the rotor blades B15 are respectively arranged on the inner side below the upper outer baffle plate 14 and the inner side above the lower outer baffle plate 14, and the two outer baffle plates 14 and the inner baffle plates 16 are respectively fixed through fastening bolts; the two outer baffle plates 14 are all arc-shaped plates and are matched with the inner surface radian of the rotor body 1, and a plurality of refining bolts are respectively arranged on the two outer baffle plates 14 and are fixedly connected with the top baffle plate 5 and the lower baffle plate 8.
During installation, the spigot structures at the two ends of the rotor blade B15 are respectively inserted into the grooves of the outer baffle plate 14, the stop grooves formed in the inner sides of the upper end and the lower end of the rotor blade B15 are clamped from inside to outside by the inner baffle plate 16, and the inner baffle plate 16 is fixed on the outer baffle plate 14 through a fastening bolt.
Further, the rotor blade A3 is of a clamping and pushing type mounting structure, the outer sides above the top baffle 5, the upper baffle 6, the lower baffle 8 and the bottom baffle 10 are respectively provided with a blade outer baffle 9, grooves are uniformly distributed along the circumferential direction of the blade outer baffle 9, the inner sides above the top baffle 5, the upper baffle 6, the lower baffle 8 and the bottom baffle 10 are respectively provided with a blade inner baffle 4 fixed through bolts, the upper end and the lower end of the rotor blade A3 are respectively clamped into the grooves on the blade outer baffle 9, and the inner sides of the upper end and the lower end of the rotor blade A3 are tightly pushed by the blade inner baffle 4;
during installation, the inner sides of the upper end and the lower end of the rotor blade A3 are respectively pushed tightly by the inner baffle plates 4, the inner baffle plates 4 are fixedly arranged on the top baffle plate 5, the upper baffle plate 6, the lower baffle plate 8 and the bottom baffle plate 10 through bolt handles, and the outer rings of the upper baffle plate 6, the lower baffle plate 8 and the bottom baffle plate 10 are respectively provided with a protection ring 7 for carrying out wear-resistant protection on the upper end and the lower end of the rotor blade A3 and the rotor blade group 2; the rotor blade group 2, the adjacent blade inner baffle 4 and the blade outer baffle 9 are all kept with a distance, so that the rotor blade group 2 can be dismounted on line from outside to inside without being limited by an external sealing structure of a rotor, a certain construction space can be provided after the rotor blade group is dismounted, the rotor blade group is used for welding a stator blade reinforcing plate after the vertical mill belt material operates and replacing and maintaining a later-period ring-shaped body abrasion-prone part, the rotor blade group 2 is mounted in an on-line positioning way from inside to outside, and the rotor dynamic balance effect can be effectively ensured in the dismounting process; sealing plates may be fixed to the outer portions of the upper and lower ends of the rotor device, and reinforcing plates 17 may be fixed between the upper and lower sealing plates for reinforcing the rotor device.
The utility model is not described in detail in the prior art.
The embodiments selected herein for the purposes of disclosing the present utility model are presently considered to be suitable, however, it is to be understood that the present utility model is intended to include all such variations and modifications as fall within the spirit and scope of the present utility model.

Claims (7)

1. The utility model provides a can dismantle selection powder machine rotor device who prescribes a limit to blade group, includes the rotor body, and the rotor body is drum formula cage structure, characterized by: the rotor blade comprises a top partition plate, an upper partition plate, a lower partition plate and a bottom partition plate which are arranged at intervals from top to bottom, wherein a plurality of vertical rotor blades A are uniformly distributed along the circumferential direction among the top partition plate, the upper partition plate, the lower partition plate and the bottom partition plate; a plurality of rotor blade groups are radially and symmetrically arranged between the top partition plate and the lower partition plate, each rotor blade group comprises an upper outer baffle plate and a lower outer baffle plate, a rotor blade B and an inner baffle plate, the upper outer baffle plate and the lower outer baffle plate are arranged at intervals, the rotor blades B are provided with a plurality of rotor blade groups, the upper ends and the lower ends of the rotor blade groups are respectively inserted into grooves of the two outer baffle plates, stop grooves are respectively formed in the inner sides of the upper ends and the lower ends of the rotor blades B, the lower inner side of the upper outer baffle plate and the upper inner side of the lower outer baffle plate are respectively provided with an inner baffle plate for clamping the rotor blades B, and the two outer baffle plates and the inner baffle plates are respectively fixed through fastening bolts.
2. The powder concentrator rotor assembly of claim 1, wherein the powder concentrator rotor assembly defines the set of blades, wherein: the center of the rotor body is provided with a central tube, a conical body is fixed at a position below the middle of the outer part of the central tube, and a plurality of supporting tubes connected with the central tube and the outer surface of the conical body are uniformly arranged at intervals along the circumferential directions of the top partition plate, the upper partition plate, the lower partition plate and the bottom partition plate.
3. The powder concentrator rotor assembly of claim 1, wherein the powder concentrator rotor assembly defines the set of blades, wherein: rotor blade A is card push type mounting structure, all is equipped with the outer baffle of blade in the outside above top baffle, upper portion baffle, lower part baffle and bottom baffle, and the circumferencial direction equipartition along the outer baffle of blade has the recess, and the inboard all is equipped with the blade internal baffle through bolt fastening above top baffle, upper portion baffle, lower part baffle and bottom baffle, and rotor blade A's upper and lower both ends card respectively go into in the recess on the outer baffle of blade, rotor blade A's upper and lower both ends inboard is pushed tightly by the blade internal baffle.
4. The powder concentrator rotor assembly removably defining a set of blades of claim 2, wherein: the upper end of the cone is positioned at the upper part of the upper partition plate, and the lower end of the cone is fixed on the bottom partition plate.
5. A powder concentrator rotor assembly as defined in claim 3, wherein the rotor assembly includes: the two outer baffle plates are all arranged into arc-shaped plates and are matched with the inner surface radian of the rotor body, and a plurality of refining bolts are respectively arranged on the two outer baffle plates and are fixedly connected with the top baffle plate and the lower baffle plate.
6. The powder concentrator rotor assembly of claim 1, wherein the powder concentrator rotor assembly defines the set of blades, wherein: guard rings are arranged on the outer rings of the upper partition plate, the lower partition plate and the bottom partition plate.
7. The powder concentrator rotor assembly of claim 1, wherein the powder concentrator rotor assembly defines the set of blades, wherein: and a distance is reserved between each rotor blade group and the adjacent blade inner baffle and between each rotor blade group and the adjacent blade outer baffle.
CN202320335061.8U 2023-02-28 2023-02-28 Powder concentrator rotor device capable of detachably limiting blade group Active CN219765614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320335061.8U CN219765614U (en) 2023-02-28 2023-02-28 Powder concentrator rotor device capable of detachably limiting blade group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320335061.8U CN219765614U (en) 2023-02-28 2023-02-28 Powder concentrator rotor device capable of detachably limiting blade group

Publications (1)

Publication Number Publication Date
CN219765614U true CN219765614U (en) 2023-09-29

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ID=88106445

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320335061.8U Active CN219765614U (en) 2023-02-28 2023-02-28 Powder concentrator rotor device capable of detachably limiting blade group

Country Status (1)

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CN (1) CN219765614U (en)

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