CN201874848U - Hot-air drying centrifugal blower - Google Patents
Hot-air drying centrifugal blower Download PDFInfo
- Publication number
- CN201874848U CN201874848U CN2010206127234U CN201020612723U CN201874848U CN 201874848 U CN201874848 U CN 201874848U CN 2010206127234 U CN2010206127234 U CN 2010206127234U CN 201020612723 U CN201020612723 U CN 201020612723U CN 201874848 U CN201874848 U CN 201874848U
- Authority
- CN
- China
- Prior art keywords
- bearing support
- locked
- bearing
- half casing
- side cover
- 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.)
- Expired - Fee Related
Links
- 238000007602 hot air drying Methods 0.000 title abstract 2
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 17
- 230000008676 import Effects 0.000 claims description 16
- 238000007601 warm air drying Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 1
- 238000002224 dissection Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 28
- 230000013011 mating Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the field of centrifugal blowers, and provides a hot-air drying centrifugal blower. A left half casing, a partition board group and a right half casing are designed as vertical-dissection structures and are locked by 12 groups of studs; an inlet ring seal is locked on the left half casing through a slotted countersunk head screw; the assembly clearance between the inlet ring seal and an impeller is designed as 1.5 to 2.3 mm; a radiating plate is installed in the bearing support and close to a deep-groove ball bearing, a heat dissipation hole is formed on the bearing support; an oil filling hole is drilled at the upper part of the bearing support; a clearance of 1mm is arranged at the joint face of each bearing side cover (I) and each oil rim shaft sleeve (I) respectively; an oil discharging hole is arranged at the bottom part of the bearing support; an oil box is installed at the bottom part of the bearing support; and the impeller is made of cast aluminum alloy. By adopting the technical scheme, manual stopping for oil exchange and maintenance is neglected, and the long-term stable operation of the blower is guaranteed, the noise during the operation of the overall blower is small, and the centrifugal blower with high overall efficiency can be adapted for various severe working conditions.
Description
Technical field
The utility model relates to the centrifugal blower field, is a kind of warm air drying centrifugal blower.
Background technique
Fast development along with steel industry, particularly each big steel mill of China equips the silicon steel production line one after another in recent years, and the important procedure that the warm air drying of unit is a whole production line moves back in the company of silicon steel line and cold rolling system, (range of flow is big and traditional blower can't satisfy this technological requirement, pressure range is big, the requirement running noises is little, Environmental Conditions is abominable, failure-free operation for a long time), there is low load with strong power unavoidably in conventional fan for this reason, the cost height, noise is big, the impeller swell increment is big, seal clearance be cannot say for sure to demonstrate,prove, need often to change lubricating grease, blower fan needs drawbacks such as often maintenance.
Summary of the invention
Order of the present utility model is that a kind of with low cost, good sealing effect, noise is little, lubricating grease is automatically replaceable warm air drying blower fan will be provided.
The technical solution of the utility model is: axle sleeve (I), axle sleeve (II), impeller are sleeved on the main shaft successively from left to right, and right-hand member compresses with round nut, and left end is located by the shaft shoulder (I); A left side half casing, dividing plate group, right half casing are locked by stud; The sealing of import circle is locked on left half casing by slotted countersunk flat head screw; In like manner: the sealing of import circle is locked on the dividing plate group by slotted countersunk flat head screw; Heat dissipation plate, stuffing box gland, deep groove ball bearing, end ring, oil ring axle sleeve (I) are sleeved on the main shaft successively, bearing support is locked on left half casing by bolt, bearing side cover (I) is locked on the bearing support by bolt, the main shaft left end compresses with round nut, the deep groove ball bearing right side is by the shaft shoulder (II) and bearing support location, bearing support side cover (I) is locked on the bearing support by bolt, and oil box is locked on the bearing support side cover (I) by bolt; In like manner: heat dissipation plate, stuffing box gland, adjustment packing ring, deep groove ball bearing, oil ring axle sleeve (II), axle sleeve are sleeved on the main shaft successively, bearing support is locked on right half casing by bolt, bearing side cover (II) is locked on the bearing support by bolt, the main shaft left end compresses with round nut, the deep groove ball bearing right side is by spacer delineation position, bearing support side cover (II) is locked on the bearing support by bolt, and oil box is locked on the bearing support side cover (II) by bolt; A left side half casing, dividing plate group, right half casing are designed to vertical subdivision structure, by 12 groups of stud lockings; The sealing of import circle is locked on left half casing by slotted countersunk flat head screw, and the sealing of import circle is designed to 1.5～2.3 millimeters with the impeller fit up gap; Heat dissipation plate is installed in bearing support inside, near deep groove ball bearing, and has radiation hole on bearing support; Bearing support top is drilled with oil hole, and bearing side cover (I) is provided with 1 mm clearance with oil ring axle sleeve (I) on the mating face, and the bearing support bottom is provided with oil drainage hole, and oil box is housed; Impeller adopts cast aluminum alloy material.
Owing to adopted technique scheme, therefore do not need the artificial maintenance of changing oil of shutting down, guarantee blower fan operation steady in a long-term, the complete machine running noises is little, can adapt to various bad working environments, the overall efficiency height.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
In the drawings: 1, left half casing; 2, dividing plate group; 3, impeller; 4, slotted countersunk flat head screw; 5, import circle sealing; 6, axle sleeve (II); 7, axle sleeve (I); 8, heat dissipation plate; 9, oil hole; 10, bearing side cover (I); 11, oil ring axle sleeve (1); 12, end ring; 13, bearing support side cover (I); 14, the shaft shoulder (II); 15, oil box; 16, oil box; 17, oil drainage hole; 18, deep groove ball bearing; 19, stuffing box gland; 20, bearing support; 21, the shaft shoulder (I); 22, bearing support side cover (II); 23, main shaft; 24, axle sleeve; 25, adjust packing ring; 26, oil ring axle sleeve (II); 27, bearing side cover (II); 28, right half casing; 29, impeller; 30, slotted countersunk flat head screw; 31, import circle sealing; 32, deep groove ball bearing; 33, stuffing box gland; 34, bearing support; 35, heat dissipation plate.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
In Fig. 1, a kind of warm air drying blower fan, axle sleeve (I) 7, impeller 3, axle sleeve (II) 6, impeller 29 are sleeved on the main shaft 23 successively from left to right, and right-hand member compresses with round nut, and left end is by the shaft shoulder (I) 21 location.A left side half casing 1, dividing plate group 2, right half casing 28 are locked by stud; Import circle sealing 5 is locked on left half casing 1 by slotted countersunk flat head screw 4; In like manner: import circle sealing 31 is locked on the dividing plate group 2 by slotted countersunk flat head screw 30.Heat dissipation plate 8, stuffing box gland 19, deep groove ball bearing 18, end ring 12, oil ring axle sleeve (I) 11 are sleeved on the main shaft 23 successively, bearing support 20 is locked on left half casing 1 by bolt, bearing side cover (I) 10 is locked on the bearing support 20 by bolt, main shaft 23 left ends compress with round nut, deep groove ball bearing 18 right sides are by the shaft shoulder (II) 14 and bearing support 20 location, bearing support side cover (I) 13 is locked on the bearing support 20 by bolt, and oil box 15 is locked on the bearing support side cover (I) 13 by bolt.In like manner: heat dissipation plate 35, stuffing box gland 33, adjustment packing ring 25, deep groove ball bearing 32, oil ring axle sleeve (II) 26, axle sleeve 24 are sleeved on the main shaft 23 successively, bearing support 34 is locked on right half casing 28 by bolt, bearing side cover (II) 27 is locked on the bearing support 34 by bolt, main shaft 23 left ends compress with round nut, deep groove ball bearing 32 right sides are by adjusting packing ring 25 location, bearing support side cover (II) 22 is locked on the bearing support 34 by bolt, and oil box 16 is locked on the bearing support side cover (II) 22 by bolt.
The utility model is designed to vertical subdivision structure with a left side half casing 1, dividing plate group 2, right half casing 28, by the locking of 12 groups of stud, reduces effectively that gas leak leaks, mounting or dismounting make things convenient for the Location accuracy height, can effectively improve fan efficiency.Import circle sealing 5 is locked on left half casing 1 by slotted countersunk flat head screw 4, the sealing 5 of import circle is designed to 1.5～23 millimeters with impeller 3 fit up gaps, the expansion of impeller 3 when operation accurately considered in this design, neither can occur locking phenomenon occurring, also can not cause reducing fan efficiency owing to excesssive gap causes the gas internal leakage owing to seal clearance is too small.Heat dissipation plate 8 is installed in bearing support 20 inside, near deep groove ball bearing 18, and has radiation hole on bearing support 20, can effectively reduce the bearing running temperature, thereby guarantees that blower fan can adapt to various bad working environments, operation steady in a long-term.Bearing support 20 tops are drilled with oil hole 9; bearing side cover (I) 10 is provided with 1 mm clearance with oil ring axle sleeve (I) 11 on the mating face; bearing support 20 bottoms are provided with oil drainage hole 17; oil box 15 is housed; this design can guarantee to allow the waste oil that produces after the long-time running slowly overflow from the gap on bearing side cover (I) 10 and oil ring axle sleeve (I) 11 mating faces; flow in the oil box 15 by oil drainage hole 17, therefore do not need the artificial maintenance of changing oil of shutting down, guarantee blower fan operation steady in a long-term.Impeller 3, impeller 29 adopt cast aluminum alloy material, guarantee that the complete machine running noises is little.
Claims (6)
1. warm air drying centrifugal blower, be by a left side half casing (1), dividing plate group (2), impeller (3), slotted countersunk flat head screw (4), import circle sealing (5), axle sleeve (II) (6), axle sleeve (I) (7), heat dissipation plate (8), bearing side cover (I) (10), bearing support side cover (I) (13), the shaft shoulder (II) (14), bearing support (20), bearing support side cover (II) (22), main shaft (23), axle sleeve (24), adjust packing ring (25), bearing side cover (II) (27), right half casing (28), impeller (29), slotted countersunk flat head screw (30), import circle sealing (31), deep groove ball bearing (32), stuffing box gland (33), bearing support (34), heat dissipation plate (35) is formed, it is characterized in that axle sleeve (I) (7), impeller (3), axle sleeve (II) (6), impeller (29) is sleeved on the main shaft (23) successively from left to right, right-hand member compresses with round nut, and left end is located by the shaft shoulder (I) (21); A left side half casing (1), dividing plate group (2), right half casing (46) are locked by stud (47); Import circle sealing (5) is locked on left half casing (1) by slotted countersunk flat head screw (4); In like manner: import circle sealing (31) is locked on the dividing plate group (2) by slotted countersunk flat head screw (30); Heat dissipation plate (8), stuffing box gland (19), deep groove ball bearing (18), end ring (12), oil ring axle sleeve (I) (11) is sleeved on the main shaft (23) successively, bearing support (20) is locked on left half casing (1) by bolt, bearing side cover (I) (10) is locked on the bearing support (20) by bolt, main shaft (23) left end compresses with round nut, deep groove ball bearing (18) right side is by the shaft shoulder (II) (14) and bearing support (20) location, bearing support side cover (I) (13) is locked on the bearing support (20) by bolt, and oil box (15) is locked on the bearing support side cover (I) (13) by bolt; In like manner: heat dissipation plate (35), stuffing box gland (33), adjust packing ring (25), deep groove ball bearing (32), oil ring axle sleeve (II) (26), axle sleeve (24) is sleeved on the main shaft (23) successively, bearing support (34) is locked on right half casing (28) by bolt, bearing side cover (II) (27) is locked on the bearing support (34) by bolt, main shaft (23) left end compresses with round nut, deep groove ball bearing (32) right side is by adjusting packing ring (25) location, bearing support side cover (II) (22) is locked on the bearing support (34) by bolt, and oil box (16) is locked on the bearing support side cover (II) (22) by bolt.
2. a kind of warm air drying centrifugal blower according to claim 1 is characterized in that left half casing (1), dividing plate group (2), right half casing (28) are vertical subdivision structure, by 12 groups of stud lockings.
3. a kind of warm air drying centrifugal blower according to claim 1 is characterized in that import circle sealing (5) is locked on left half casing (1) by slotted countersunk flat head screw (4), and import circle sealing (5) is 1.5～2.3 millimeters with impeller (3) fit up gap.
4. a kind of warm air drying centrifugal blower according to claim 1 is characterized in that heat dissipation plate (8) is installed in bearing support (20) inside, and near deep groove ball bearing (18), bearing support has radiation hole on (20).
5. a kind of warm air drying centrifugal blower according to claim 1 is characterized in that bearing support (20) top is drilled with oil hole (9), and bearing support (20) bottom is provided with oil drainage hole (17), and oil box (15) is housed.
6. a kind of warm air drying centrifugal blower according to claim 1 is characterized in that impeller (3), impeller (29) adopt cast aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206127234U CN201874848U (en) | 2010-11-10 | 2010-11-10 | Hot-air drying centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206127234U CN201874848U (en) | 2010-11-10 | 2010-11-10 | Hot-air drying centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201874848U true CN201874848U (en) | 2011-06-22 |
Family
ID=44162766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206127234U Expired - Fee Related CN201874848U (en) | 2010-11-10 | 2010-11-10 | Hot-air drying centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201874848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465889A (en) * | 2010-11-10 | 2012-05-23 | 湖北省风机厂有限公司 | Hot-air drying centrifugal blower |
-
2010
- 2010-11-10 CN CN2010206127234U patent/CN201874848U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465889A (en) * | 2010-11-10 | 2012-05-23 | 湖北省风机厂有限公司 | Hot-air drying centrifugal blower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201173293Y (en) | Shell cover type slide bearing sealing structure | |
| CN111442027A (en) | A tilting pad support bearing for a speed-increasing gearbox | |
| CN106402166B (en) | Double-row spherical roller bearing double-lip sealing structure and wind driven generator | |
| CN201874848U (en) | Hot-air drying centrifugal blower | |
| CN204729347U (en) | High inlet pressure inter-section booster | |
| CN102465889A (en) | Hot-air drying centrifugal blower | |
| CN201826900U (en) | Double screw expansion machine shell | |
| CN201090498Y (en) | Fan bearing box sealing device | |
| CN202940673U (en) | Self-lubrication sliding bearing used in high-speed high-power motor | |
| CN202451826U (en) | Double-mechanical-bearing sealing structure for upright shaft of separable-installed cooling tower hydraulic turbine | |
| CN101446297A (en) | Two-stage axial flow fan bearing device | |
| CN204438751U (en) | For the sealing device of malleation rotary kiln | |
| CN205561623U (en) | Setting is at elastic sealing device in air preheater hot junction | |
| CN211288205U (en) | Stable and safe fan bearing box | |
| CN203717218U (en) | Retaining ring structure mounted on main shaft seal of water turbine | |
| CN201096013Y (en) | Large power natural gas engine turbo-charger oil seal device | |
| CN203272803U (en) | Bearing sealing and isolating device | |
| CN202660019U (en) | Fluoroplastic full-liner check valve for chlor-alkali | |
| CN205225868U (en) | Automotive water pump | |
| CN205823964U (en) | A kind of seven groove labyrinth bearing cover plates | |
| CN202381380U (en) | Water-cooling oil lubricated rolling bearing seat | |
| CN222526721U (en) | Sealing device of bearing end cover of piston type air compressor | |
| CN221806595U (en) | An improved sealing structure of three-phase asynchronous motor | |
| CN215300342U (en) | Sealing structure at through position of sliding shaft of full-density motor | |
| CN207145309U (en) | A kind of fan bearing box structure that can reduce booster fan vertical vibration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20121110 |