CN203450685U - Anti-abrasion device for coal falling pipe - Google Patents
Anti-abrasion device for coal falling pipe Download PDFInfo
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- CN203450685U CN203450685U CN201320522066.8U CN201320522066U CN203450685U CN 203450685 U CN203450685 U CN 203450685U CN 201320522066 U CN201320522066 U CN 201320522066U CN 203450685 U CN203450685 U CN 203450685U
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- coal
- coal falling
- plate
- coal breakage
- retarder
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Abstract
The utility model discloses an anti-abrasion device for a coal falling pipe. The anti-abrasion device comprises a coal falling adjusting plate, a coal falling speed reducer and a fixing frame; the coal falling adjusting plate comprises an adjusting plate with a cuboid structure; one end of the adjusting plate is provided with a handle; the coal falling adjusting plate is positioned above the coal falling speed reducer; the coal falling speed reducer comprises a rotary shaft being a steel pipe; 8 blades are uniformly welded at the periphery of the rotary shaft; the fixing frame comprises two fixing plates and a rotary spindle; shaft holes are respectively formed in the centers of the two fixing plates; small holes are formed in four corners of the fixing plates and the fixing plates are fixed at steel plates at two sides of a square coal falling barrel by bolts; the coal falling speed reducer is fixed in the square coal falling barrel by the fixing frame; the rotary spindle penetrates through the center of the steel pipe of the coal falling speed reducer; two ends of the rotary spindle are respectively fixed by the fixing plates. The anti-abrasion device for the coal falling pipe fully utilizes the speed reducing action of the rotary blades, the coal falling speed is reduced while the coal falling movement curve is changed, and the vertical falling impact is changed to be rolling friction, so the abrasion of a coal falling pipeline is greatly reduced and the service life of the coal falling pipeline is prolonged.
Description
Technical field
The utility model relates to a kind of coal spout shoe, belongs to mechanical field.
Background technology
Fluidized-bed combustion boiler coal supply system adopts feed bin coal supply to enter screw-type coal distributor conventionally, then is rotated coal is produced by screw-type coal distributor, enters vertical square coal conduit, then enters burner hearth by the landing of coal breakage inclined tube section.
Due to boiler coal feeding vertical drop under coal breakage inclined tube section caused impact wear, often cause use just worn out less than two months, coal breakage inclined tube section is connected and must blowing out overhaul changes with furnace wall cast, therefore we often take measures to carry out the interim repair welding of blowing out, but owing to having caused coal breakage pipe hole hole, coal humidity is larger, has caused again the long-pending obstruction of wet dump, has had a strong impact on the normal production run of boiler.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of coal spout shoe, can adopt rotation retarding method to slow down coal supply falling speed, change coal breakage curve movement simultaneously, becoming vertical drop impact is friction of rolling, has greatly alleviated the wearing and tearing of coal breakage pipeline, has improved service life.
The technical solution adopted in the utility model is:
A coal spout shoe, is characterized in that: comprise coal breakage regulating plate, coal breakage retarder and fixed mount; Coal breakage regulating plate comprises the regulating plate of rectangular structure, and regulating plate one end is provided with handle, and coal breakage regulating plate is positioned at coal breakage retarder top; Coal breakage retarder comprises rotating shaft, and rotating shaft is steel pipe, eight blades of surrounding uniform welding of rotating shaft, and blade is rectangular structure, is stained with rubber on blade; Fixed mount comprises two adapter plates and live spindle, and two adapter plate centers are respectively equipped with axis hole, and four jiaos of adapter plate are respectively equipped with aperture and are bolted on the steel plate of square coal conduit both sides; Coal breakage retarder is fixed in square coal conduit by fixed mount, and live spindle passes from the steel pipe center of coal breakage retarder, and live spindle two ends are fixed by adapter plate both sides axis hole respectively.
Described regulating plate is steel plate, and its length is 600mm, and width is 400mm, and thickness is 6mm, the angle bar that handle is 30mm.
The rotating shaft of described coal breakage retarder is 20 steel pipes, and length is 380mm, and the length of blade is 350mm, and width is 120mm, and thickness is 2mm.
On described blade, be stained with the rubber that 2mm is thick.
The adapter plate of described fixed mount is steel plate, and length is 300mm, and width is 300mm, and thickness is 3mm, and the shaft hole diameter at adapter plate center is 20mm, and four jiaos of steel plates are provided with the aperture that diameter is 8mm, and the edge of small pitch adapter plate is 10mm; Live spindle is the round steel of diameter 18mm, and main axis length is 400mm.
Using method of the present utility model:
(1) coal breakage regulating plate is fixed on to square coal conduit straight tube stage casing, on square coal conduit, apart from barrel 150mm place before coal breakage, open twice 8mm seam, for regulating plate insertion, 25 ° ~ 30 ° of the angles of cracking, the thick felt of 10mm is glued in both sides, gap, prevents coal dust secondary fly-up;
(2) barrel both sides being opened to the hole of the wide 280mm of long 280mm apart from 40mm place, coal breakage straight tube bottom, according to the position of four jiaos of apertures of adapter plate of fixed mount, on barrel, weld eight, ∮ 6mm bolt, fixing frame plate inserting bolt, liner rubber binding bolt;
(3) live spindle passes from the steel pipe center of coal breakage retarder, by coal breakage retarder and ∮ 18mm spindle combinations;
(4) by the fixing frame plate inserting bolt of a side, inner liner rubber leather packing binding bolt;
(5) coal breakage retarder and ∮ 18mm main shaft are inserted to adapter plate central shaft hole;
(6) opposite side adapter plate is inserted to main shaft, inner liner rubber leather packing binding bolt, now, adapter plate lays respectively on the outer wall of coal conduit both sides, and by bolted;
(7) start screw-type coal distributor, the coal falling is realized once and being slowed down by regulating plate, and adjusting angle makes coal secondary falling on coal breakage retarder rotating blade, by continuous coal breakage, make not stall of blade moving, secondary makes coal supply deceleration landing on coal breakage inclined tube simultaneously, make vertical impact become landing friction, greatly reduced the impact wear to coal breakage inclined tube;
(8), after blade wear, open four bolt periodic replacement slewing arrangements of adapter plate.
Abrasionproof principle of the present utility model is: adopt rotation retarding method to slow down falling speed, change coal breakage curve movement simultaneously, becoming vertical drop impact is friction of rolling.
The coal spout shoe that the utility model provides, simple in structure, be skillfully constructed, take full advantage of the effect of rotating blade buffer deceleration, reduce coal breakage speed, change coal breakage curve movement, becoming vertical drop impact is friction of rolling, has greatly alleviated the wearing and tearing of coal breakage pipeline simultaneously, improved its service life, cost of manufacture is low, changes flexibly simply, is beneficial to production.
Below in conjunction with drawings and Examples, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model coal breakage regulating plate.
Fig. 2 is the structural representation of coal breakage retarder.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the structural representation of adapter plate.
Fig. 5 is use view of the present utility model.
In figure, 1 is feeder, and 2 is coal bunker, and 3 is square coal conduit, and 4 is coal breakage regulating plate, and 5 is coal breakage retarder, and 6 is fixed mount, and 7 is coal breakage inclined tube, and 8 is burner hearth;
4.1 is regulating plate, and 4.2 is handle; 5.1 is rotating shaft, and 5.2 is blade; 6.1 is adapter plate, and 6.2 is axis hole, and 6.3 is aperture.
The specific embodiment
Embodiment:
As shown in Fig. 1 ~ 5,
A coal spout shoe, is characterized in that: comprise coal breakage regulating plate 4, coal breakage retarder 5 and fixed mount 6; Coal breakage regulating plate 4 comprises the regulating plate 4.1 of rectangular structure, and regulating plate 4.1 one end are provided with handle 4.2, and coal breakage regulating plate 4 is positioned at coal breakage retarder 5 tops; Coal breakage retarder 5 comprises rotating shaft 5.1, and rotating shaft is steel pipe, eight blades 5.2 of surrounding uniform welding of rotating shaft 5.1, and blade 5.2 is rectangular structure, on blade 5.2, is stained with rubber; Fixed mount 6 comprises two adapter plates 6.1 and live spindle, and two adapter plate 6.1 centers are respectively equipped with axis hole 6.2, and four jiaos of adapter plate 6.1 are respectively equipped with aperture 6.3, and adapter plate is bolted on the both sides steel plate of square coal conduit 3; Coal breakage retarder 5 is fixed in square coal conduit 3 by fixed mount 6, and live spindle passes from the steel pipe center of coal breakage retarder 5, and live spindle two ends connect two adapter plates 6.1 through adapter plate axis hole 6.2 respectively.
Shown in Fig. 1, described regulating plate 4.1 is steel plate, and its length is 600mm, and width is 400mm, and thickness is 6mm, the angle bar that handle is 30mm.
Shown in Fig. 2 ~ 3, the rotating shaft 5.1 of described coal breakage retarder is 20 steel pipes, and length is 380mm, and the length of blade 5.2 is 350mm, and width is 120mm, and thickness is 2mm.On described blade 5.2, be stained with the rubber that 2mm is thick.
Shown in Fig. 4, the adapter plate 6.1 of described fixed mount 6 is steel plate, and length is 300mm, width is 300mm, and thickness is 3mm, and axis hole 6.2 diameters at adapter plate center are 20mm, four jiaos of steel plates are provided with the aperture 6.3 that diameter is 8mm, and aperture 6.3 is 10mm apart from the edge of adapter plate; Live spindle is the round steel of diameter 18mm, and main axis length is 400mm.
Fig. 5 shows use view of the present utility model.Coal cinder falls from a side of regulating plate, through coal breakage deceleration rotating shaft, has slowed down falling speed, has changed coal breakage curve movement simultaneously, and becoming vertical drop impact is friction of rolling.Coal breakage inclined tube has been played to protective effect.
Concrete method for making is:
The structure of this device is mainly comprised of three parts: coal breakage regulating plate, coal breakage retarder and movable fixed mount.
(1) method for making of coal breakage regulating plate: utilize thick 6mm steel plate to be made as long 600mm, wide 400mm regulating plate, regulating plate one side welding 30mm angle bar is as handle, on square coal conduit, apart from barrel 150mm place before coal breakage, open twice 8mm seam, for regulating plate, insert, the thick felt of 10mm is glued in ° both sides, gap, the angle of cracking 25o ~ 30;
(2) method for making of coal breakage retarder: utilize thick 2mm tin smips to be cut into the deceleration blade of the wide 120mm of long 350mm, on blade, the sticky thick rubber of 2mm, makes 8 altogether, 8 blades is welded on 20 steel pipes that length is 380mm to 45 ° of angle intervals.
(3) method for making of fixed mount: long 300mm is made in cutting, wide 300mm, two of thick 3mm steel plates, four ∮ 8mm of four jiaos of perforates, are the hole that a ∮ 20mm is opened at 10mm， center apart from the distance of adapter plate side plate; The ∮ 18mm round steel of Cutting Length 400 mm is as turning cylinder, and turning cylinder and two adapter plates combine.
Using method:
(1) coal breakage regulating plate is fixed on to square coal conduit straight tube stage casing, on square coal conduit, apart from barrel 150mm place before coal breakage, open twice 8mm seam, for regulating plate insertion, 25 ° ~ 30 ° of the angles of cracking, the thick felt of 10mm is glued in both sides, gap, prevents coal dust secondary fly-up;
(2) barrel both sides being opened to the hole of the wide 280mm of long 280mm apart from 40mm place, coal breakage straight tube bottom, according to the position of four jiaos of apertures of adapter plate of fixed mount, on barrel, weld eight, ∮ 6mm bolt, fixing frame plate inserting bolt, liner rubber binding bolt;
(3) live spindle passes from the steel pipe center of coal breakage retarder, by coal breakage retarder and ∮ 18mm spindle combinations;
(4) by the fixing frame plate inserting bolt of a side, inner liner rubber leather packing binding bolt;
(5) coal breakage retarder and ∮ 18mm main shaft are inserted to adapter plate central shaft hole;
(6) opposite side adapter plate is inserted to main shaft, inner liner rubber leather packing binding bolt, now, adapter plate lays respectively on the outer wall of coal conduit both sides, and by bolted;
(7) start screw-type coal distributor, the coal falling is realized once and being slowed down by regulating plate, and adjusting angle makes coal secondary falling on coal breakage retarder rotating blade, by continuous coal breakage, make not stall of blade moving, secondary makes coal supply deceleration landing on coal breakage inclined tube simultaneously, make vertical impact become landing friction, greatly reduced the impact wear to coal breakage inclined tube;
(8), after blade wear, open four bolt periodic replacement slewing arrangements of adapter plate.
Claims (5)
1. a coal spout shoe, is characterized in that: comprise coal breakage regulating plate, coal breakage retarder and fixed mount; Coal breakage regulating plate comprises the regulating plate of rectangular structure, and regulating plate one end is provided with handle, and coal breakage regulating plate is positioned at coal breakage retarder top; Coal breakage retarder comprises rotating shaft, and rotating shaft is steel pipe, eight blades of surrounding uniform welding of rotating shaft, and blade is rectangular structure, has rubber on blade; Fixed mount comprises two adapter plates and live spindle, and two adapter plate centers are respectively equipped with axis hole, and four jiaos of adapter plate are respectively equipped with aperture and are bolted on the steel plate of square coal conduit both sides; Coal breakage retarder is fixed in square coal conduit by fixed mount, and live spindle passes from the steel pipe center of coal breakage retarder, and live spindle two ends are fixed by adapter plate both sides axis hole respectively.
2. coal spout shoe according to claim 1, is characterized in that: described regulating plate is steel plate, and its length is 600mm, and width is 400mm, and thickness is 6mm, the angle bar that handle is 30mm.
3. coal spout shoe according to claim 1, is characterized in that: the rotating shaft of described coal breakage retarder is 20 steel pipes, and length is 380mm, and the length of blade is 350mm, and width is 120mm, and thickness is 2mm.
4. coal spout shoe according to claim 1, is characterized in that: on described blade, be stained with the rubber that 2mm is thick.
5. coal spout shoe according to claim 1, it is characterized in that: the adapter plate of described fixed mount is steel plate, length is 300mm, width is 300mm, thickness is 3mm, the shaft hole diameter at adapter plate center is 20mm, and four jiaos of steel plates are provided with the aperture that diameter is 8mm, and the edge of small pitch adapter plate is 10mm; Live spindle is the round steel of diameter 18mm, and main axis length is 400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522066.8U CN203450685U (en) | 2013-08-26 | 2013-08-26 | Anti-abrasion device for coal falling pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522066.8U CN203450685U (en) | 2013-08-26 | 2013-08-26 | Anti-abrasion device for coal falling pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203450685U true CN203450685U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320522066.8U Expired - Fee Related CN203450685U (en) | 2013-08-26 | 2013-08-26 | Anti-abrasion device for coal falling pipe |
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| CN (1) | CN203450685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545499A (en) * | 2018-05-17 | 2018-09-18 | 江西联保工程咨询有限公司 | A kind of buffering for construction site construction waste vertical transport safety limits dirt device |
-
2013
- 2013-08-26 CN CN201320522066.8U patent/CN203450685U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545499A (en) * | 2018-05-17 | 2018-09-18 | 江西联保工程咨询有限公司 | A kind of buffering for construction site construction waste vertical transport safety limits dirt device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |