CN201799308U - Sealing device of ball mill feeding pipe - Google Patents
Sealing device of ball mill feeding pipe Download PDFInfo
- Publication number
- CN201799308U CN201799308U CN2010205384433U CN201020538443U CN201799308U CN 201799308 U CN201799308 U CN 201799308U CN 2010205384433 U CN2010205384433 U CN 2010205384433U CN 201020538443 U CN201020538443 U CN 201020538443U CN 201799308 U CN201799308 U CN 201799308U
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- Prior art keywords
- annular water
- seal part
- water seal
- annular
- feed pipe
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Abstract
The utility model provides a sealing device of a ball mill feeding pipe, which comprises a feeding pipe mounted at a feed inlet and a connection sealing structure for the feed inlet and the feeding pipe. The connection sealing structure comprises an annular water seal part between the feeding pipe and the feed inlet, the annular water seal part is connected to the feeding pipe hermetically, the front end of the annular water seal part is in clearance fit with the feed inlet so as to form a spacer ring, an annular water groove is arranged in the annular water seal part and communicated with a water inlet pipe, the front end of the annular water groove is communicated with the spacer ring, the annular water seal part and the outer end of the feed inlet are sealed by a sealing packing, and a gland is arranged outside the sealing packing. Besides, the radial width of the spacer ring formed between the front end of the annular water seal part and the feed inlet ranges from 1mm to 2mm, the annular water seal part is fixed on the feeding pipe via screws, and the annular water seal part and the feeding pipe are sealed by sealant filled between the annular water seal part and the feeding pipe. The sealing device solves the problem of leakage of the feeding pipe of a ball mill and reduces abrasion loss of the feeding pipe and the feed inlet.
Description
Technical field
The utility model relates to a kind of sealing device of ball mill feed pipe, particularly a kind of hermetically-sealed construction of overflowball mill feed pipe.
Background technology
At present, the sealing device structure of used ball mill mineral-feeding pipe is by charging aperture, Y
XSealing ring, feed pipe, pressing plate are formed.Y
XSealing ring is installed on the annular groove of feed pipe, compresses sealing ring by the annular stop boss on pressing plate and the charging aperture, plays the effect of sealing, and charging aperture rotates with the ball milling cylindrical shell.But the ore grain size in the ball mill is thin, has a very wide distribution, and causes solid particle to be easy to enter stop ledge, the Y of charging aperture
XIn the gap between the closure gasket groove of sealing ring and feed pipe, grinding-in face makes it that sharp wear take place, and causes the gap between charging aperture and the feed pipe to continue to increase.Though Y
XSealing ring has certain elastic compensating ability, but wearing and tearing are many more, and compensation rate can be more little, and the applying power of end face is weak more, when a little less than the applying power when the medium that can not stop enters, leakage failure has just taken place, charging aperture that can only more renew and feed pipe.Had a strong impact on the service life of the rate of starting of equipment and charging aperture, feed pipe.
Summary of the invention
The purpose of this utility model is in order to overcome existing seal leakage problem, to design a kind of mineral grain that makes and can't reach the sealing device of the ball mill feed pipe in the sealing surface gap.
The technical solution of the utility model: the sealing device of ball mill feed pipe of the present utility model comprises the feed pipe that is installed in charging aperture and both connection hermetically-sealed constructions, its connection hermetically-sealed construction comprises the annular water seal part between feed pipe and charging aperture, annular water seal part is sealedly connected on the feed pipe, matched in clearance between annular water seal part front end and the charging aperture, constitute spacer ring, in the annular water seal part annular water tank is arranged, annular water tank is communicated with water inlet pipe, the front end of ring annular water tank communicates with spacer ring, is sealed by sealed packing between annular water seal part and the charging aperture outer end.
There is annular water tank the rear end in the described annular water seal part, annular water tank is communicated with water inlet pipe, annular water seal part front end outer surface has annular groove, annular water tank before the inboard of annular groove and charging aperture constitutes, in the annular water seal part axial equally distributed water-guiding hole is arranged, annular water tank is communicated with by water-guiding hole with preceding annular water tank, the annular groove antetheca and the charging aperture of annular water seal part constitute spacer ring, preceding annular water tank is communicated with the spacer ring of its front end, the annular groove rear side of annular water seal part has the annular retaining platform that cooperates with charging aperture, sealed packing is installed in the rear end of annular retaining platform, and there is gland the outside of sealed packing.
The radial width of the spacer ring that described annular water seal part front end and charging aperture constitute is 1～2mm.
The sealing device of described ball mill feed pipe is established 3～5 water-guiding holes and is communicated with annular water tank and preceding annular water tank, and water-guiding hole is distributed in the annular water seal part.
Described annular water seal part is fixed on the feed pipe by screw, and the filling fluid sealant seals between annular water seal part and the feed pipe.
The beneficial effects of the utility model: the utility model has solved the feed pipe leakage problem of ball mill well, has reduced feed pipe, charging aperture wear extent, has increased the service life of spare part, has increased the rate of starting of equipment.
Description of drawings
Fig. 1 is a schematic diagram of sealing device of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Fig. 1 is a schematic diagram of sealing device of the present utility model:
The sealing device of ball mill feed pipe of the present utility model comprises the feed pipe 2 that is installed in charging aperture 1 and both connection hermetically-sealed constructions, its connection hermetically-sealed construction comprises the annular water seal part 4 between feed pipe 2 and charging aperture 1, annular water seal part 4 is sealedly connected on the feed pipe 2, matched in clearance between annular water seal part 4 front ends and the charging aperture 1, constitute spacer ring 5, in the annular water seal part 4 annular water tank 4a is arranged, the rear end of annular water tank 4a is communicated with water inlet pipe 3, the front end of ring annular water tank 4a communicates with spacer ring 5, by sealed packing 6 sealings, anti-sealing flows out by the gap between annular water seal part 4 and the charging aperture between annular water seal part 4 and charging aperture 1 outer end.
Further, there is annular water tank 4a the rear end in the annular water seal part 4, annular water tank 4a is communicated with water inlet pipe 3, annular water seal part 4 front end outer surfaces have annular groove, annular water tank 4d before the inboard of annular groove and charging aperture 1 constitutes, in the annular water seal part 4 equally distributed water-guiding hole 4b is arranged axially, annular water tank 4a is communicated with by water-guiding hole 4b with preceding annular water tank 4d, the annular groove antetheca and the charging aperture 1 of annular water seal part 4 constitute spacer ring 5, preceding annular water tank 4d is communicated with the spacer ring 5 of its front end, the annular groove rear side of annular water seal part 4 has the annular retaining platform 4c that cooperates with charging aperture 1, sealed packing 6 is installed in the rear end of annular retaining platform 4c, and there is gland 7 outside of sealed packing 6.Make water sealed by gland 7 and sealed packing 6, can be oppositely to the outside outflow of ball mill.
Preferably, the inboard radial width that constitutes spacer ring 5 with charging aperture 1 of described annular water seal part 4 front ends is 1～2mm.
Further, the sealing device of described ball mill feed pipe is established 3～5 water-guiding hole 4b and is communicated with annular water tank 4a and preceding annular water tank 4d, and water-guiding hole 4b is distributed in the annular water seal part 4.
Further, described annular water seal part 4 is fixed on the feed pipe 2 by screw 8, and the filling fluid sealant seals between annular water seal part 4 and the feed pipe 2.4e is the water gland of annular water seal part 4 rear ends.
The utility model installs an annular water seal part 4 additional on feed pipe, annular water seal part 4 is fixed on the feed pipe 2 by screw 8, the filling fluid sealant seals between annular water seal part 4 and the feed pipe 2, establish water-guiding hole 4b in the annular water seal part 4 and be communicated with annular water tank 4a and preceding annular water tank 4d, water inlet pipe 3 connects water pump, water enters annular water tank 4a, enter the preceding annular water tank 4d of hydraulic gland front end by uniform water-guiding hole 4b, enter by preceding annular water tank 4d in the spacer ring 5 of annular water seal part 4 front ends and charging aperture 1 formation, spray water to the ball milling inner barrel from gap location, wash between annular water seal part 4 and the charging aperture 1 the gap, under the effect of hydraulic pressure, make mineral grain can't enter in the gap, reach the purpose of sealing.
Claims (5)
1. the sealing device of a ball mill feed pipe, comprise the feed pipe (2) that is installed in charging aperture (1) and both connection hermetically-sealed constructions, it is characterized in that: connect hermetically-sealed construction and comprise the annular water seal part (4) that is positioned between feed pipe (2) and the charging aperture (1), annular water seal part (4) is sealedly connected on the feed pipe (2), matched in clearance between annular water seal part (4) front end and the charging aperture (1), constitute spacer ring (5), in the annular water seal part (4) annular water tank (4a) is arranged, annular water tank (4a) is communicated with water inlet pipe (3), the front end of ring annular water tank (4a) communicates with spacer ring (5), is sealed by sealed packing (6) between annular water seal part (4) and charging aperture (1) outer end.
2. the sealing device of ball mill feed pipe according to claim 1, it is characterized in that: there is annular water tank (4a) the interior rear end of annular water seal part (4), annular water tank (4a) is communicated with water inlet pipe (3), annular water seal part (4) front end outer surface has annular groove, annular water tank (4d) before the inboard of annular groove and charging aperture (1) constitutes, in the annular water seal part (4) axial equally distributed water-guiding hole (4b) is arranged, annular water tank (4a) is communicated with by water-guiding hole (4b) with preceding annular water tank (4d), the annular groove antetheca of annular water seal part (4) and charging aperture (1) constitute spacer ring (5), preceding annular water tank (4d) is communicated with the spacer ring (5) of its front end, the annular groove rear side of annular water seal part (4) has the annular retaining platform (4c) that cooperates with charging aperture (1), sealed packing (6) is installed in the rear end of annular retaining platform (4c), and there is gland (7) outside of sealed packing (6).
3. the sealing device of ball mill feed pipe according to claim 1 and 2 is characterized in that: the radial width of the spacer ring (5) that annular water seal part (4) front end and charging aperture (1) constitute is 1～2mm.
4. the sealing device of ball mill feed pipe according to claim 2 is characterized in that: establish 3～5 water-guiding holes (4b) and be communicated with annular water tank (4a) and preceding annular water tank (4d), water-guiding hole (4b) is distributed in the annular water seal part (4).
5. the sealing device of ball mill feed pipe according to claim 1 and 2 is characterized in that: annular water seal part (4) is fixed on the feed pipe (2) by screw (8), and the filling fluid sealant seals between annular water seal part (4) and the feed pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205384433U CN201799308U (en) | 2010-09-21 | 2010-09-21 | Sealing device of ball mill feeding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205384433U CN201799308U (en) | 2010-09-21 | 2010-09-21 | Sealing device of ball mill feeding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201799308U true CN201799308U (en) | 2011-04-20 |
Family
ID=43868826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205384433U Expired - Fee Related CN201799308U (en) | 2010-09-21 | 2010-09-21 | Sealing device of ball mill feeding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201799308U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441468A (en) * | 2011-09-14 | 2012-05-09 | 鞍钢集团矿业公司 | Device for preventing ball mill feeding end from pouring ore |
| CN102773146A (en) * | 2011-05-13 | 2012-11-14 | 王万强 | Device for sealing inlet pipe of grinding machine |
| CN113953072A (en) * | 2021-02-07 | 2022-01-21 | 恒力石化（大连）炼化有限公司 | Sealing structure for feeding end of coal water slurry coal mill |
-
2010
- 2010-09-21 CN CN2010205384433U patent/CN201799308U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773146A (en) * | 2011-05-13 | 2012-11-14 | 王万强 | Device for sealing inlet pipe of grinding machine |
| CN102441468A (en) * | 2011-09-14 | 2012-05-09 | 鞍钢集团矿业公司 | Device for preventing ball mill feeding end from pouring ore |
| CN113953072A (en) * | 2021-02-07 | 2022-01-21 | 恒力石化（大连）炼化有限公司 | Sealing structure for feeding end of coal water slurry coal mill |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20160921 |