CN202450055U - High-pressure star-shaped feeder - Google Patents
High-pressure star-shaped feeder Download PDFInfo
- Publication number
- CN202450055U CN202450055U CN2011205679491U CN201120567949U CN202450055U CN 202450055 U CN202450055 U CN 202450055U CN 2011205679491 U CN2011205679491 U CN 2011205679491U CN 201120567949 U CN201120567949 U CN 201120567949U CN 202450055 U CN202450055 U CN 202450055U
- Authority
- CN
- China
- Prior art keywords
- star
- motor
- rotor
- pressure
- material feeder
- 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 - Lifetime
Links
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 40
- 238000010926 purge Methods 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000010408 sweeping Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 15
- 239000003245 coal Substances 0.000 abstract description 9
- 239000000843 powder Substances 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 abstract 1
- 238000002309 gasification Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a high-pressure star-shaped feeder which comprises a motor, a rotor and a star-shaped feeder casing, wherein the front end of the rotor is connected with the star-shaped feeder casing through a rotating bearing, the star-shaped feeder casing is provided with a casing end cover for sealing, the tail end of the rotor is connected with an output shaft of the motor through a rigid coupler, a bearing retainer ring is arranged between the outside of the rotating bearing and the star-shaped feeder casing, a right-angle folded edge is arranged at one end of the bearing retainer ring, and the star-shaped feeder casing is firmly connected with a reducer pressure cover for sealing the middle portion of the rotor through the folded edge. The other end of the reducer pressure cover is firmly connected with a sealing cover of the motor through a motor fastener, and an end cover for sealing is arranged at the tail end of the sealing cover. The high-pressure star-shaped feeder adopts integral sealing, cools the motor through high-pressure blowing wind, enables the bearings to be sealed under high pressure, solves the problem of pressure bearing, simultaneously reduces friction of a rotating shaft, reduces power of the motor, prevents coal powder from leaking and can perform feeding under various pressure environments including low pressure environment, medium pressure environment, high pressure environment and the like.
Description
Technical field
The utility model relates to the interpolation equipment of dry coal powder pressurized entrained-bed gasification, the star-like material feeder of particularly a kind of high pressure.
Background technology
The add-on system of coal is the important step of dry coal powder pressurized air flow bed gasification system.Gasification fine coal e Foerderanlage mainly contains air conveying and the mechanical transport dual mode.
Wherein, the mechanical transport mode adopts screw feeder, star-like material feeder etc. more, under normal pressure, can realize the stable and uniform feed.Yet the pressure of dry coal powder pressurized air flow bed gasification system is higher at present, meets or exceeds 3.0MPa usually.Conventional screw feeder or star-like material feeder can not meet the demands.
For example open day is on October 07th, 2009; Publication number is that the Chinese patent document of CN101551016A discloses " a kind of shaft sealing device of high-temperature pressure-proof star-type feeder "; Be to adopt mechanical seal and hermetic seal to combine in sealing place; Comprise rotation axis 4, high abrasion axle sleeve 3, first lip seal 1, second lip seal 2 and housing 5; In the Pneumatic conveyer of dryness particle media, technical scheme of the present invention can guarantee under certain pressure (0.6MPA) and temperature (the highest 300 ℃), prolongs the work-ing life of axle end sealing device and improves its performance.Though but this technical scheme has added shaft sealing device to star-like material feeder, its axle end sealing device has adopted mechanical seal to combine with hermetic seal, and working temperature can reach 300 ℃, yet it withstand voltagely has only 0.6MPa, can not meet the demands far away.
Again for example; Open day is on 01 01st, 2003; Publication number is that the Chinese patent document of CN2529093Y discloses " a kind of air hermetic feeder that is used for coal dust pressurizing gasifying apparatus control fine coal add-on ", comprises T type pipe, a plurality of rotating paddle, rotating shaft, containment member and motor.Rotating paddle is fixed in the rotating shaft; Be installed in the T type pipe, rotating shaft is connected with motor after passing containment member, it is characterized in that; Described containment member is provided with the gas passage that is used to feed high pressure gas, utilizes the gap between high pressure gas countershaft and the containment member to carry out air seal.Come the enhanced leaktightness effect though this utility model has been added the passage that feeds high pressure gas on the material feeder containment member, can bear elevated pressures, and avoid the leakage of coal dust.But its filler can strengthen the rotating shaft friction, and then increases power of motor.
The utility model content
The utility model provides a kind of high pressure star-like material feeder to the problems referred to above, adopts the mode of integral sealing; Utilizing high pressure to purge wind makes the motor cooling and bearing is under high pressure sealed; Solve the pressure-bearing problem of star-like material feeder, and realized reducing the rotating shaft friction simultaneously, reduced power of motor; Prevent leakage of pulverized coal, have the ability that under various pressure environments such as low pressure, medium and high pressure, to feed in raw material.
The technical scheme of the utility model is following:
The star-like material feeder of a kind of high pressure; Comprise motor, rotor and star-like material feeder housing; Star-like material feeder housing is fixed in rotor exterior; Rotor is connected with the output shaft of motor, it is characterized in that: the front end of rotor is connected with star-like material feeder housing through rolling bearing, and the end of rotor is connected through solid coupling with the output shaft of motor; The star-like material feeder housing of rotor front end is provided with the housing end plug that is used to seal; Be provided with the bearing compacting ring between rolling bearing outside and the star-like material feeder housing, bearing compacting ring one end is provided with the right angle flanging, through the tight star-like material feeder housing and the reducer pressure shield that is used for the canned rotor middle portion of connecting of flanging of bearing compacting ring; The other end of reducer pressure shield closely is connected with the seal closure that is used for sealed electric-motor through motor fixture; The end of seal closure is provided with the end cap that is used to seal.
The centre of said housing end plug is provided with sweeping wind pipe, adopts high pressure to purge wind and realizes the purging to bearing, prevents that dust from getting into bearing.
Said seal closure is provided with sweeping wind pipe, adopts high pressure to purge wind and realizes the purging to motor, prevents that dust from getting into motor.
Be connected through blind flange between said reducer pressure shield and the seal closure, the supply lead of motor and wire are connected with extraneous through the bolt on the blind flange that is installed in seal closure, and this bolt adopts insulation covering and blind flange to insulate.
Said purging wind pressure is little greater than the about 0 ~ 0.1MPa of star-like material feeder top hole pressure.
The beneficial effect of the utility model is following:
The utility model adopts integral sealing motor, rotor, rolling bearing, and adopts high pressure to purge cooling air, adopts the mode of integral sealing; Utilize high pressure to purge wind and make the motor cooling and bearing is under high pressure sealed, solved the pressure-bearing problem of star-like material feeder, can realize the more feed of high pressure; Rotor adopts rolling bearing to be connected with star-like material feeder housing; It is minimum to reach the operation torque, has realized reducing the rotating shaft friction simultaneously, reduces power of motor; Prevent leakage of pulverized coal, have the ability that under various pressure environments such as low pressure, medium and high pressure, to feed in raw material.
Description of drawings
Fig. 1 is the structural representation of the utility model
Wherein, Reference numeral is: 1, sweeping wind pipe 2, star-like material feeder housing 3, rolling bearing 4, rotor 5, reducer pressure shield 6, the seal closure 7 of motor, motor 8, end cap 9, sweeping wind pipe 10, shaft coupling 11, motor fixture 12, bearing compacting ring 13, housing end plug.
Embodiment
As shown in Figure 1, the star-like material feeder of a kind of high pressure comprises motor 7, rotor 4 and star-like material feeder housing 2, and star-like material feeder housing 2 is fixed in rotor 4 outsides, and rotor 4 is connected with the output shaft of motor 7.Particularly, the front end of rotor 4 is connected with star-like material feeder housing 2 through rolling bearing 3, and it is minimum to reach the operation torque, and the end of rotor 4 is connected through solid coupling 10 with the output shaft of motor 7; The star-like material feeder housing 2 of rotor 4 front ends is provided with the housing end plug 13 that is used to seal; Be provided with bearing compacting ring 12 between rolling bearing 3 outsides and the star-like material feeder housing 2; Bearing compacting ring 12 1 ends are provided with the right angle flanging, through the tight star-like material feeder housing 2 and the reducer pressure shield 5 that is used for canned rotor 4 middle portions of connecting of flanging of bearing compacting ring 12; The other end of reducer pressure shield 5 closely is connected with the seal closure that is used for sealed electric-motor 76 through motor fixture 11; The end of seal closure 6 is provided with the end cap 8 that is used to seal.It is thus clear that motor 7 has been realized the integral sealing state with rotor 4.
The centre of said housing end plug 13 is provided with sweeping wind pipe 1, adopts high pressure to purge wind and realizes the purging to bearing, prevents that dust from getting into bearing.
Said seal closure 6 is provided with sweeping wind pipe 9, adopts high pressure to purge wind and realizes the purging to motor 7, prevents that dust from getting into motor 7.
Be connected through blind flange between said reducer pressure shield 5 and the seal closure 6, the supply lead of motor 7 and wire are connected with extraneous through the bolt on the blind flange that is installed in seal closure 6, and this bolt adopts insulation covering and blind flange to insulate.
Said purging wind pressure is little greater than the about 0 ~ 0.1MPa of star-like material feeder top hole pressure.
The motor seal cover 6 of the utility model is different according to selected material, wall thickness with star-like material feeder housing 2, goes for the feed under various pressure environments.
Claims (5)
1. star-like material feeder of high pressure; Comprise motor (7), rotor (4) and star-like material feeder housing (2); Star-like material feeder housing (2) is fixed in rotor (4) outside; Rotor (4) is connected with the output shaft of motor (7), it is characterized in that: the front end of rotor (4) is connected with star-like material feeder housing (2) through rolling bearing (3), and the end of rotor (4) is connected through solid coupling (10) with the output shaft of motor (7); The star-like material feeder housing (2) of rotor (4) front end is provided with the housing end plug (13) that is used to seal; Be provided with bearing compacting ring (12) between rolling bearing (3) outside and the star-like material feeder housing (2); Bearing compacting ring (12) one ends are provided with the right angle flanging, through the tight reducer pressure shield (5) that connects star-like material feeder housing (2) and be used for canned rotor (4) middle portion of flanging of bearing compacting ring (12); The other end of reducer pressure shield (5) closely is connected with the seal closure that is used for sealed electric-motor (7) (6) through motor fixture (11); The end of seal closure (6) is provided with the end cap (8) that is used to seal.
2. the star-like material feeder of high pressure according to claim 1 is characterized in that: the centre of said housing end plug (13) is provided with the sweeping wind pipe (1) that is used to purge dust.
3. the star-like material feeder of high pressure according to claim 1 and 2 is characterized in that: said seal closure (6) is provided with the sweeping wind pipe (9) that is used to purge dust.
4. the star-like material feeder of high pressure according to claim 1 is characterized in that: be connected through blind flange between said reducer pressure shield (5) and the seal closure (6).
5. the star-like material feeder of high pressure according to claim 4 is characterized in that: the supply lead of said motor (7) and wire are connected with extraneous through the bolt on the blind flange that is installed in seal closure (6), and this bolt adopts insulation covering and blind flange insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205679491U CN202450055U (en) | 2011-12-30 | 2011-12-30 | High-pressure star-shaped feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205679491U CN202450055U (en) | 2011-12-30 | 2011-12-30 | High-pressure star-shaped feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202450055U true CN202450055U (en) | 2012-09-26 |
Family
ID=46865936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205679491U Expired - Lifetime CN202450055U (en) | 2011-12-30 | 2011-12-30 | High-pressure star-shaped feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202450055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533344A (en) * | 2011-12-30 | 2012-07-04 | 中国东方电气集团有限公司 | High pressure star-like feeder |
-
2011
- 2011-12-30 CN CN2011205679491U patent/CN202450055U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533344A (en) * | 2011-12-30 | 2012-07-04 | 中国东方电气集团有限公司 | High pressure star-like feeder |
| CN102533344B (en) * | 2011-12-30 | 2014-07-02 | 中国东方电气集团有限公司 | High pressure star-like feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120926 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |