CN219150775U - Device for improving powder selecting rate of powder selecting machine and reducing power consumption - Google Patents
Device for improving powder selecting rate of powder selecting machine and reducing power consumption Download PDFInfo
- Publication number
- CN219150775U CN219150775U CN202222164406.6U CN202222164406U CN219150775U CN 219150775 U CN219150775 U CN 219150775U CN 202222164406 U CN202222164406 U CN 202222164406U CN 219150775 U CN219150775 U CN 219150775U
- Authority
- CN
- China
- Prior art keywords
- powder
- rotor
- sealing ring
- powder concentrator
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a device for improving powder selecting rate of a powder selecting machine and reducing power consumption, which belongs to the technical field of powder selecting machines and comprises a rotor and further comprises: the labyrinth sealing device for improving the tightness of the impeller is arranged on a rotor, the upper end of the rotor is provided with a powder concentrator wind guide blade, and the upper end of the powder concentrator wind guide blade is provided with a pipe orifice piece, and the labyrinth sealing device has the beneficial effects that: the axial clearance between the rotor blade of the powder concentrator and the outer sealing ring of the powder concentrator and the axial clearance between the rotor blade of the powder concentrator and the inner sealing ring of the powder concentrator are respectively 8MM, the unqualified raw meal throughput at the sealing position is reduced, the fineness of raw meal is ensured to be qualified, a labyrinth sealing device is manufactured at the position of a carefully selected air outlet pipe, the original 25MM clearance is adjusted to the clearance between the two 8MM clearance by adding the outer sealing ring of the powder concentrator and the inner sealing ring of the powder concentrator, and the manufactured outer sealing ring of the powder concentrator and the inner sealing ring of the powder concentrator are greatly improved for reducing the raw meal throughput at the sealing position.
Description
Technical Field
The utility model relates to the technical field of powder separators, in particular to a device for improving the powder selecting rate of a powder separator and reducing the power consumption.
Background
The powder concentrator is widely applied to a coal mill, a raw material unloading and drying mill and a cement mill system in a novel dry cement production line, and can be divided into three categories, namely a three-separation powder concentrator, a centrifugal powder concentrator and a cyclone powder concentrator, wherein the axial seal has defects when the fine powder concentrator of a raw material working section XR4000C is installed, the axial seal only has a gap of 25MM with a fan shell, after starting up and casting of raw material equipment, square hole screen residue of 0.2 MM of raw material at a rotating speed 720 r/min of a selected motor is about 3.5, square hole screen residue of 0.2 MM of raw material is specified to be below 2 in a laboratory, the running phenomenon of the raw material directly influences the next working procedure, the calcination of the clinker has great influence on the strength, the yield, the quality and the coal consumption of the clinker due to the running of the fineness of the raw material, and the hidden danger of the clinker is not caused by caking grain to the normal running of the grate cooler.
Therefore, the utility model is necessary to provide a device for improving the powder selecting rate of the powder selecting machine and reducing the power consumption.
Disclosure of Invention
The present utility model has been made in view of the above and/or problems occurring in the prior art of a device for increasing a powder selection rate of a powder selector to reduce power consumption.
Therefore, the utility model aims to provide a device for improving the powder selecting rate of a powder selecting machine and reducing the power consumption, through the axial clearance 8MM between the rotor blades of the powder selecting machine and the outer sealing ring of the rotor of the powder selecting machine and the inner sealing ring of the rotor of the powder selecting machine, the disqualified raw meal throughput at the sealing position is reduced, the fineness of raw meal is ensured to be qualified, a labyrinth sealing device is manufactured at the carefully selected air outlet pipe, the clearance of the original 25MM is adjusted to the clearance of two 8MM by adding the outer sealing ring of the rotor of the powder selecting machine and the inner sealing ring of the rotor of the powder selecting machine, the manufactured outer sealing ring of the rotor of the powder selecting machine and the inner sealing ring of the rotor of the powder selecting machine are greatly improved for reducing the raw meal throughput at the sealing position, and the problems that the existing axial sealing and a fan shell are provided with the clearance of 25MM are solved, the raw meal throughput at the sealing position is very large, and the hidden trouble of equipment exists are solved.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
the utility model provides an improve device that selection powder rate reduces the power consumption of selection powder machine, it includes: a rotor, further comprising:
labyrinth seal for improving the tightness of the impeller, said labyrinth seal being mounted on the rotor.
As a preferable scheme of the device for improving the powder selecting rate of the powder selecting machine and reducing the power consumption, the utility model comprises the following steps: the upper end of the rotor is provided with a powder concentrator wind guide blade, and the upper end of the powder concentrator wind guide blade is provided with a pipe orifice piece.
As a preferable scheme of the device for improving the powder selecting rate of the powder selecting machine and reducing the power consumption, the utility model comprises the following steps: the labyrinth sealing device comprises a powder concentrator rotor outer sealing ring and a powder concentrator rotor inner sealing ring, and the inner side of the pipe orifice piece is respectively provided with the powder concentrator rotor outer sealing ring and the powder concentrator rotor inner sealing ring.
As a preferable scheme of the device for improving the powder selecting rate of the powder selecting machine and reducing the power consumption, the utility model comprises the following steps: the upper end of the rotor is provided with a powder concentrator rotor blade, and the upper end of the powder concentrator rotor blade is arranged on the inner sides of an outer sealing ring of the powder concentrator rotor and an inner sealing ring of the powder concentrator rotor.
As a preferable scheme of the device for improving the powder selecting rate of the powder selecting machine and reducing the power consumption, the utility model comprises the following steps: the inner side of the powder concentrator rotor blade is provided with a fixed ring, and the upper side of the powder concentrator rotor blade is provided with an air outlet pipe orifice.
As a preferable scheme of the device for improving the powder selecting rate of the powder selecting machine and reducing the power consumption, the utility model comprises the following steps: the distance between the outer sealing ring of the powder concentrator rotor and the powder concentrator rotor blade is 8MM, and the distance between the powder concentrator rotor blade and the pipe orifice piece is 8MM.
Compared with the prior art:
the axial clearance between the rotor blade of the powder concentrator and the rotor outer sealing ring of the powder concentrator and the rotor inner sealing ring of the powder concentrator is 8MM respectively, the unqualified raw meal throughput at the sealing position is reduced, the fineness of raw meal is ensured to be qualified, a labyrinth sealing device is manufactured at the carefully selected air outlet pipe, the original 25MM clearance is adjusted to the clearance of two 8MM by adding the rotor outer sealing ring of the powder concentrator and the rotor inner sealing ring of the powder concentrator, and the manufactured rotor outer sealing ring of the powder concentrator and the rotor inner sealing ring of the powder concentrator greatly improve the raw meal throughput at the sealing position.
Drawings
FIG. 1 is a block diagram of a device for improving powder selecting rate of a powder selecting machine and reducing power consumption;
fig. 2 is an enlarged view of a region a in a device for improving the powder selecting rate of a powder selecting machine and reducing power consumption.
In the figure: the powder concentrator rotor comprises a powder concentrator wind guide blade 1, a powder concentrator rotor blade 11, a rotor 12, a labyrinth sealing device 2, a powder concentrator rotor outer sealing ring 21, a powder concentrator rotor inner sealing ring 22, a fixed ring 23, a pipe orifice sheet 3 and a wind outlet pipe orifice 4.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a device for improving powder selecting rate of a powder selecting machine and reducing power consumption, which is provided with a labyrinth sealing device manufactured at a carefully selected air outlet pipe orifice, wherein an original 25MM clearance is adjusted to be a clearance of two 8MM by adding a rotor outer sealing ring of the powder selecting machine and a rotor inner sealing ring of the powder selecting machine, and the manufactured rotor outer sealing ring and rotor inner sealing ring of the powder selecting machine have the advantage of greatly improving the raw material throughput at the reduced sealing position, and refer to figures 1-2, and comprise a rotor 12;
further comprises: the labyrinth seal device 2 is used for improving the impeller tightness, the labyrinth seal device 2 is arranged on the rotor 12, the upper end of the rotor 12 is provided with a powder concentrator wind guide blade 1, and the upper end of the powder concentrator wind guide blade 1 is provided with a pipe orifice piece 3.
The labyrinth sealing device 2 comprises a powder concentrator rotor outer sealing ring 21 and a powder concentrator rotor inner sealing ring 22, wherein the powder concentrator rotor outer sealing ring 21 and the powder concentrator rotor inner sealing ring 22 are respectively arranged on the inner side of a pipe orifice piece 3, a powder concentrator rotor blade 11 is arranged at the upper end of a rotor 12, the upper ends of the powder concentrator rotor blades 11 are arranged on the inner sides of the powder concentrator rotor outer sealing ring 21 and the powder concentrator rotor inner sealing ring 22, the powder concentrator rotor outer sealing ring 21 and the powder concentrator rotor inner sealing ring 22 are used for reducing gaps on two sides of the powder concentrator rotor blade, a fixed circular ring 23 is arranged on the inner side of the powder concentrator rotor blade 11, an air outlet 4 is arranged on the upper side of the powder concentrator rotor blade 11, the distance between the powder concentrator rotor outer sealing ring 21 and the powder concentrator rotor blade 11 is 8MM, the distance between the powder concentrator rotor blade 11 and the pipe orifice piece 3 is 8MM, the unqualified raw meal throughput at the sealing position is reduced, the unqualified raw meal throughput is ensured, and the raw meal sealing device is manufactured at the position of the selected air outlet, and the clearance between the powder concentrator rotor outer sealing ring and the raw meal concentrator rotor 8 is greatly reduced by adding the air outlet sealing ring 8MM.
When the powder concentrator is specifically used, the upper end of the rotor 12 is provided with the powder concentrator wind guide blade 1, the upper end of the powder concentrator wind guide blade 1 is provided with the pipe orifice piece 3, the inner side of the pipe orifice piece 3 is provided with the powder concentrator rotor outer sealing ring 21 and the powder concentrator rotor inner sealing ring 22 respectively, the upper end of the rotor 12 is provided with the powder concentrator rotor blade 11, the upper end of the powder concentrator rotor blade 11 is arranged on the inner sides of the powder concentrator rotor outer sealing ring 21 and the powder concentrator rotor inner sealing ring 22, the inner side of the powder concentrator rotor blade 11 is provided with the fixed circular ring 23, the upper side of the powder concentrator rotor blade 11 is provided with the air outlet pipe opening 4, the distance between the powder concentrator rotor outer sealing ring 21 and the powder concentrator rotor blade 11 is 8MM, the distance between the powder concentrator rotor blade 11 and the pipe orifice piece 3 is 8MM, the powder concentrator rotor blade 11 and the powder concentrator rotor outer sealing ring 21 and the powder concentrator rotor inner sealing ring 22 respectively have the axial clearance 8MM, the unqualified raw meal throughput at the sealing position is reduced, the raw meal labyrinth sealing device 2 is manufactured at the air outlet pipe opening 4 of the selected position, the raw meal inlet sealing ring is ensured to be qualified, the raw meal inlet sealing ring clearance is greatly reduced by adding the powder concentrator outer sealing ring 21 and the raw meal inlet sealing ring 22, the clearance is greatly reduced to the clearance between the raw meal inlet sealing ring and the sealing ring is greatly reduced, and the raw meal inlet is greatly improved, and the raw meal is greatly improved and the raw meal quality and the raw meal is sealed.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (2)
1. Device for improving powder selecting rate of powder selecting machine and reducing electricity consumption, comprising a rotor (12), characterized in that it also comprises:
a labyrinth seal (2) for improving the tightness of the impeller, the labyrinth seal (2) being mounted on the rotor (12);
the upper end of the rotor (12) is provided with a powder concentrator wind-guiding blade (1), and the upper end of the powder concentrator wind-guiding blade (1) is provided with a pipe orifice blade (3);
labyrinth seal device (2) are including selection powder machine rotor outer sealing ring (21) and selection powder machine rotor inner sealing ring (22), selection powder machine rotor outer sealing ring (21) and selection powder machine rotor inner sealing ring (22) are installed respectively to mouth of pipe piece (3) inboard, selection powder machine rotor blade (11) are installed to rotor (12) upper end, selection powder machine rotor blade (11) upper end sets up in selection powder machine rotor outer sealing ring (21) and selection powder machine rotor inner sealing ring (22) inboard, distance between selection powder machine rotor outer sealing ring (21) and selection powder machine rotor blade (11) is 8MM, distance between selection powder machine rotor blade (11) and mouth of pipe piece (3) is 8MM.
2. The device for improving the powder selecting rate and reducing the power consumption of the powder selecting machine according to claim 1 is characterized in that a fixed circular ring (23) is arranged on the inner side of the rotor blade (11) of the powder selecting machine, and an air outlet pipe orifice (4) is arranged on the upper side of the rotor blade (11) of the powder selecting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222164406.6U CN219150775U (en) | 2022-08-17 | 2022-08-17 | Device for improving powder selecting rate of powder selecting machine and reducing power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222164406.6U CN219150775U (en) | 2022-08-17 | 2022-08-17 | Device for improving powder selecting rate of powder selecting machine and reducing power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219150775U true CN219150775U (en) | 2023-06-09 |
Family
ID=86639599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222164406.6U Active CN219150775U (en) | 2022-08-17 | 2022-08-17 | Device for improving powder selecting rate of powder selecting machine and reducing power consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219150775U (en) |
-
2022
- 2022-08-17 CN CN202222164406.6U patent/CN219150775U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219150775U (en) | Device for improving powder selecting rate of powder selecting machine and reducing power consumption | |
| CN210097826U (en) | Suspension roller mill with air ducting | |
| CN203875010U (en) | High-efficiency dynamic separator | |
| CN202052700U (en) | Static/dynamic blade combined rotary pulverized coal separator with dynamic blade as bending and twisting blade | |
| CN201090744Y (en) | Reverse concave gas flow sealing device | |
| CN202814121U (en) | Circled cooler and cooling device thereof | |
| CN209997713U (en) | rotor forced sealing device and separator | |
| CN202909812U (en) | Aerofoil dynamic wind ring for coal pulverizer | |
| CN202460793U (en) | Lower bearing air-cooling device for vertical mill powder concentrator | |
| CN202366879U (en) | Rotary coal dust separator | |
| CN204607954U (en) | A kind of biomass granule fuel producing apparatus | |
| CN107490291A (en) | A kind of rotary kiln biserial graphite block sealing device | |
| CN204338289U (en) | Vertical mill system | |
| CN103629940A (en) | Cooling device for annular cooling machine and annular cooling machine | |
| CN212155777U (en) | Sealing structure of vertical mill powder concentrator | |
| CN201195126Y (en) | Superfine classifier for Raymondmill | |
| CN208518962U (en) | A kind of impeller unit reducing energy consumption | |
| CN102527639B (en) | Lower air-out type high-efficient powder concentrator | |
| CN201002046Y (en) | Pendulum grinding machine special-purpose analyzer | |
| CN201830091U (en) | Ventilation cooling system structure with slip ring | |
| CN104492582A (en) | Vertical mill system | |
| CN220329303U (en) | Production equipment for reducing zinc potassium sodium in dedusting ash | |
| CN204523087U (en) | Pulping disintegrating machine | |
| CN217603354U (en) | Sealing structure of low-bypass-value powder concentrator | |
| CN216964929U (en) | Rotor sealing device of powder concentrator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |