CN201415867Y - Anti-blocking device for rotor of high-temperature and pressure resistant star-type feeding machine - Google Patents
Anti-blocking device for rotor of high-temperature and pressure resistant star-type feeding machine Download PDFInfo
- Publication number
- CN201415867Y CN201415867Y CN 200920108158 CN200920108158U CN201415867Y CN 201415867 Y CN201415867 Y CN 201415867Y CN 200920108158 CN200920108158 CN 200920108158 CN 200920108158 U CN200920108158 U CN 200920108158U CN 201415867 Y CN201415867 Y CN 201415867Y
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- rotor
- spring
- stator
- temperature pressure
- preventing device
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Abstract
The utility model provides an anti-blocking device for a rotor of a high-temperature and pressure resistant star-type feeding machine. The device comprises a stator and the rotor as well as a floatingbody, an upper spring, a connecting shaft, a lower spring and an upper cover; the upper cover is in bolted connection with the stator; the upper part of the floating body is in slide fit with the upper cover, and one side of the lower part thereof is in unspaced fit with the rotor and is hung through the springs; a connecting rod is arranged on the other side of the lower part of the floating body and is connected with the stator through a spring mechanism; a lug for hanging the spring mechanism is arranged at the lower part of the stator; and both the upper end and the lower ends of the floating body are open, wherein, the opening of the upper end is circular, and the opening of the lower end takes the shape of a round groove and is matched with the outer circumference of the rotor. Thedevice can ensure normal and longtime operation of the feeding machine, prevent the rotor from being blocked, and prolong the service lives of the feeding machine and shaft end sealing.
Description
Technical field
The utility model belongs to powdery (graininess) material strength transportation art, particularly a kind of rotor blockage-preventing device of high-temperature pressure-proof star-type feeder.
Background technology
Power industry boiler bottom slag (dried slag) granularity after process steel band conveyor and the fragmentation of secondary slag crusher is controlled in the 5mm, is transported to the surge bunker that is arranged at the furnace side, is delivered in the slag storehouse that is arranged at far-end by air-transport system then; Big and flowing power is relatively poor because of surmising of slag, enter slag in the pipeline and can cause difficulty of transportation when too much when instantaneous, therefore the discharging opening (delivery duct inlet) at feedway is provided with star feeder to realize even feeding, the medium operating temperature is 300 degree, instantaneous 350 degree that reach of HI high impact temperature, the pressure medium maximum can be to 0.6MPa, and star feeder is the key equipment that unloads the ash part in the dry dust collecting process of the blast furnace gas system, require even discharging, former machine mostly is foundry goods, and weight is big, by rotor blade groove discharging is sent in the dust transfer, rotor is with the material rotation for a long time, makes work under the motor heavy lift, and the foreign matter stuck phenomenon is arranged, burn-out motor, and leak tightness is poor, and as shown in Figure 1, the feeder stator 1 and the rotor 2 of prior art are determining deviation, the gap is non-adjustable, when the larger particles material entered the gap, feeder can block, and caused system to stop transport.
The utility model content
The purpose of this utility model is to provide a kind of long-time normal operation that guarantees feeder, prevent that the rotor card is stifled and prolong the rotor blockage-preventing device of the high-temperature pressure-proof star-type feeder in feeder service life.
For this reason, the utility model proposes a kind of rotor blockage-preventing device of high-temperature pressure-proof star-type feeder, comprise stator and rotor, wherein said device also comprises buoyancy body, upper spring, adapter shaft, lower spring and loam cake, described loam cake and stator adopt bolted connection, the top of buoyancy body and loam cake adopt bearing fit, adopt no gap to cooperate between one side of its underpart and the rotor, and pass through spring suspension, the opposite side of its underpart is provided with a pipe link, pipe link is connected with stator by spring device, be provided with the ear seat that is used for pendulum spring mechanism in the bottom of stator, on the buoyancy body, the lower end is all opening-like, upper end open is rounded, and lower ending opening is the circular groove type and matches with the periphery circle of rotor.
Described spring device comprises an adapter shaft, and adapter shaft is connected with stator, is socketed with upper spring and lower spring on the adapter shaft, and the bottom of adapter shaft is provided with the setting nut of regulating upper and lower spring,
Wherein, upper spring and lower spring are good to adopt cylindrical helical compression spring.
In order to improve the leak tightness of this device, described ear seat bottom is provided with sealing nut.
Described rotor is drum shape cavity body, and its periphery is provided with blade, is provided with material channel between each blade.
The cavity body two ends of described rotor have double-type end cap.
For impregnability and the harmony that improves this device float body, described buoyancy body and pipe link adopt the integrate shaped type structure.
The beneficial effects of the utility model are:
The rotor blockage-preventing device of high-temperature pressure-proof star-type feeder of the present utility model can guarantee feeder long-time normal operation, prevent that the rotor card is stifled and prolong feeder service life, when foreign matter enters gap between buoyancy body and rotor, the gap can be amplified automatically, when foreign matter passage period crack can diminish automatically, thereby can guarantee the long-time normal operation of feeder.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the structural representation of star-shaped feeding machine in the prior art;
Fig. 2 is the structural representation of high-temperature pressure-proof star-type feeder rotor blockage-preventing device of the present utility model;
Wherein, 1-stator, 2-rotor, 2A-blade, 2B-material channel, 3-buoyancy body, 3A-pipe link, 4-upper spring, 5-adapter shaft, 6-lower spring, 7-loam cake, 8-sealing nut, 9-setting nut, 10-ear seat.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further elaborated.
As shown in Figure 2, this routine rotor anti-block device utilizes clearance automatic compensation mechanism to solve the stifled problem of feeder rotor card, comprises stator 1, rotor 2, buoyancy body 3, upper spring 4, adapter shaft 5, lower spring 6 and loam cake 7 and sealing nut 8 etc.Loam cake 7 adopts bolted connection with stator 1, the top of buoyancy body 3 and loam cake 7 adopt bearing fit, adopt no gap to cooperate between one side of the bottom of buoyancy body and the rotor 2, and pass through spring suspension, the opposite side of its underpart is provided with one and is integral the pipe link 3A of formula structure with buoyancy body, pipe link is connected with stator 1 by spring device, described spring device comprises an adapter shaft 5, be socketed with upper spring 4 and lower spring 6 on the adapter shaft, the bottom of adapter shaft is provided with in the adjusting, the setting nut 9 of lower spring, be provided with the ear seat 10 that is used for pendulum spring mechanism in the bottom of described stator 1, in order to make the better tightness of whole device, is furnished with a sealing nut 8 in ear seat 10 bottoms, on the buoyancy body 3, the lower end is all opening-like, upper end open is rounded, connect with the inlet point of feeder, lower ending opening is the circular groove type and touches mutually with the periphery circle of rotor.Rotor 2 is drum shape cavity body, the two ends of cavity body have double-type end cap and (do not draw among the figure, for the inside and outside two ends perpendicular to paper are provided with end cap), its periphery is provided with blade 2A, be provided with material channel 2B between each blade, when medium from material channel by the time, send from the discharging opening of feeder again.Described buoyancy body 2 adopts the HT200 material, and upper spring 4 adopts cylindrical helical compression spring with lower spring 6, and material adopts 50CrVA, and stator 1 adopts HT200 to make.
When the bulky grain medium enters in the gap between rotor and the buoyancy body, upper spring 4 is compressed, lower spring 6 was unfolded this moment by precompressed amount originally, gap increase between buoyancy body and rotor, after the bulky grain medium passes through the gap, buoyancy body return under the application force of upper spring 4 and lower spring 6 makes buoyancy body be in suspended state all the time, thereby guarantees the feeder normal operation.
In the defeated slag system of strength, adopt the feeder inlet of this device to be installed on the outlet of transfer pot, delivery duct is installed in outlet down, furnace bottom slag temperature is 300 ℃ in the actual measurement transfer pot, HI high impact temperature is 350 ℃, and the slag the largest particles is 5mm, and carrying the pressurized air maximum pressure is 0.6MPa, rotor speed frequency conversion between 30rpm to 46rpm is adjustable, and effect is better.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1, a kind of rotor blockage-preventing device of high-temperature pressure-proof star-type feeder, comprise stator (1) and rotor (2), it is characterized in that: described device also comprises buoyancy body (3), upper spring (4), adapter shaft (5), lower spring (6) and loam cake (7), described loam cake (7) adopts bolted connection with stator (1), the top of buoyancy body (3) and loam cake (7) adopt bearing fit, adopt no gap to cooperate between one side of its underpart and the rotor (2), and pass through spring suspension, the opposite side of its underpart is provided with a pipe link (3A), pipe link is connected with stator (1) by spring device, be provided with the ear seat (10) that is used for pendulum spring mechanism in the bottom of stator, on the buoyancy body, the lower end is all opening-like, upper end open is rounded, and lower ending opening is the circular groove type and matches with the periphery circle of rotor.
2, the rotor blockage-preventing device of high-temperature pressure-proof star-type feeder as claimed in claim 1, it is characterized in that: described spring device comprises an adapter shaft (5), adapter shaft is connected with stator (1), be socketed with upper spring (4) and lower spring (6) on the adapter shaft (5), the bottom of adapter shaft is provided with the setting nut (9) of regulating upper and lower spring.
3, the rotor blockage-preventing device of high-temperature pressure-proof star-type feeder as claimed in claim 2 is characterized in that: described upper spring (4) and lower spring (6) adopt cylindrical helical compression spring.
4, the rotor blockage-preventing device of high-temperature pressure-proof star-type feeder as claimed in claim 1 is characterized in that: described ear seat (10) bottom is provided with sealing nut (8).
5, the rotor blockage-preventing device of high-temperature pressure-proof star-type feeder as claimed in claim 1 is characterized in that: described rotor (2) is drum shape cavity body, and its periphery is provided with blade (2A), is provided with material channel (2B) between each blade.
6, as the rotor blockage-preventing device of claim 1 or 5 described high-temperature pressure-proof star-type feeders, it is characterized in that: the cavity body two ends of described rotor (2) have double-type end cap.
7, the rotor blockage-preventing device of high-temperature pressure-proof star-type feeder as claimed in claim 1 is characterized in that: described buoyancy body (3) adopts the integrate shaped type structure with pipe link (3A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920108158 CN201415867Y (en) | 2009-05-19 | 2009-05-19 | Anti-blocking device for rotor of high-temperature and pressure resistant star-type feeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920108158 CN201415867Y (en) | 2009-05-19 | 2009-05-19 | Anti-blocking device for rotor of high-temperature and pressure resistant star-type feeding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201415867Y true CN201415867Y (en) | 2010-03-03 |
Family
ID=41792281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920108158 Expired - Lifetime CN201415867Y (en) | 2009-05-19 | 2009-05-19 | Anti-blocking device for rotor of high-temperature and pressure resistant star-type feeding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201415867Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420097A (en) * | 2013-07-21 | 2013-12-04 | 哈尔滨电站设备成套设计研究所有限公司 | Dynamic compensation and sealing method for offset type feeder with peripheral end dynamically compensated and sealed |
| CN105966848A (en) * | 2016-07-06 | 2016-09-28 | 福建龙净脱硫脱硝工程有限公司 | Star type feeding valve |
| CN110510342A (en) * | 2019-09-06 | 2019-11-29 | 瑞安市南星机械有限公司 | A kind of V-shaped discharger |
-
2009
- 2009-05-19 CN CN 200920108158 patent/CN201415867Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420097A (en) * | 2013-07-21 | 2013-12-04 | 哈尔滨电站设备成套设计研究所有限公司 | Dynamic compensation and sealing method for offset type feeder with peripheral end dynamically compensated and sealed |
| CN105966848A (en) * | 2016-07-06 | 2016-09-28 | 福建龙净脱硫脱硝工程有限公司 | Star type feeding valve |
| CN110510342A (en) * | 2019-09-06 | 2019-11-29 | 瑞安市南星机械有限公司 | A kind of V-shaped discharger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100303 |