CN203654079U - Sealing device of drum sieve - Google Patents
Sealing device of drum sieve Download PDFInfo
- Publication number
- CN203654079U CN203654079U CN201320885142.1U CN201320885142U CN203654079U CN 203654079 U CN203654079 U CN 203654079U CN 201320885142 U CN201320885142 U CN 201320885142U CN 203654079 U CN203654079 U CN 203654079U
- Authority
- CN
- China
- Prior art keywords
- ring
- sieve
- rotating ring
- cylindrical shell
- drum
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 238000007873 sieving Methods 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 2
- 239000002893 slag Substances 0.000 abstract description 5
- 239000002002 slurry Substances 0.000 description 6
- 238000012216 screening Methods 0.000 description 5
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a sealing device of a drum sieve. The sealing device comprises a bottom cylindrical shell of the drum sieve and a sieve drum positioned above the bottom cylindrical shell, wherein a fixing ring corresponding to the sieve drum is fixedly arranged on the bottom cylindrical shell of the drum sieve and a rotating ring is fixedly arranged on the lower end of the sieve drum. The outer ring of the fixing ring is provided with an upward protruding first annular baffle plate, and a gap is arranged between the first annular baffle plate and the rotating ring. A downward protruding second annular baffle plate is fixed on the inner ring of the rotating ring, and a gap is arranged between the second annular baffle plate and the fixing ring. The fixing ring, the first annular baffle plate, the rotating ring and the second annular baffle plate form a half-enclosed cavity, and circular centers of the fixing ring, the first annular baffle plate, the rotating ring, the second annular baffle plate, the sieve drum and the bottom cylindrical shell are on a same axis. The sealing device ensures better sealing effect between sieve drum of the rotary sieve and the bottom of the cylindrical shell, thereby ensuring the rate of removing heavy slag, and improving the full stuff quality of the device.
Description
Technical field
The utility model relates to a kind of hermetically-sealed construction, relates in particular to a kind of for revolving the sealing device of drum sieve.
Background technology
Revolving drum sieve is the equipment with pressure step sizing slurry under a complete totally enclosed state, when operation with pressure, unscreened paper pulp by pulp-inlet pipe after tangent line enters the screen cylinder bottom periphery of body, clean slurry is thus lifted to screening area, external and internal pressure by screen cylinder is poor, qualified paper pulp enters in screen cylinder by sieve aperture under pressure, is discharged by the good slurry pipe of bottom.From the operation principle of revolving drum sieve, the screen cylinder that revolves drum sieve is not stop in one the state rotating, interior stream sieve structure and revolve that bulging sieve itself belongs to, revolve between the bulging screen cylinder sieving and cylinder body bottom and leave gap, and the existing gap location revolving between screen cylinder and the cylinder body bottom that rouses sieve does not arrange hermetically-sealed construction, this will cause part slurry just directly never to enter into Liang Jiang district in screening area by gap location without screen cylinder screening, the clearance of the heavy slag of impact.
Utility model content
The utility model, in order to solve the problems of the prior art, provides a kind of for revolving the sealing device of bulging sieve, can play good sealing effectiveness to revolving between the bulging screen cylinder sieving and cylinder body bottom, has ensured the clearance of heavy slag, has improved the pulp quality of equipment.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of for revolving the sealing device of drum sieve, comprise the screen cylinder that revolves the bottom cylindrical shell of drum sieve and be positioned at cylindrical shell top, bottom, on the described bottom cylindrical shell that revolves drum sieve, be fixedly installed the retainer ring corresponding with screen cylinder, the lower end of screen cylinder is fixedly installed rotating ring, the outer ring of retainer ring is fixedly installed the first ring baffle raising up, between the first ring baffle and rotating ring, be provided with gap, the inner ring of rotating ring is fixedly installed the second ring baffle to lower convexity, between the second ring baffle and retainer ring, be provided with gap, retainer ring, the first ring baffle, rotating ring and the second ring baffle form the cavity of a semi-surrounding, retainer ring, the first ring baffle, rotating ring, the second ring baffle, screen cylinder, the center of circle of bottom cylindrical shell is positioned on same axis.
The inner side of the first described ring baffle is provided with annular lining, and the outside of described the second ring baffle is arranged with annular blade, between described annular lining and annular blade, is provided with spacing, and described spacing is less than the diameter of the sieve aperture of described screen cylinder.
Described annular lining is fixedly installed on the upper end of retainer ring, and described annular blade is fixedly installed on the lower surface of rotating ring.
The arranged outside of described rotating ring has turbulent flow sheet, and turbulent flow sheet and rotating ring are connected by screw.
Described rotating ring and screen cylinder are connected by screw, and described retainer ring is connected with bottom barrel soldering.
The beneficial effects of the utility model: retainer ring in the utility model, the first ring baffle, rotating ring and the second ring baffle form the cavity of a semi-surrounding, the inner side of the first ring baffle is provided with annular lining, the outside of the second ring baffle is arranged with annular blade, between annular lining and annular blade, be provided with spacing, this spacing is less than the diameter of the sieve aperture of described screen cylinder, this just forms a labyrinth seal between screen cylinder and bottom cylindrical shell, make slurry never directly enter into Liang Jiang district in screening area, play good sealing effectiveness, ensure the clearance of heavy slag, the existence of annular blade and annular lining, reduces the wearing and tearing of rotating ring and retainer ring, the turbulent flow sheet of the arranged outside of rotating ring, in rotary course, turbulent flow sector-meeting forms more powerful turbulent flow, the heavy seeds of cylinder body bottom is disperseed to surrounding, and can not be pooled to middle part, can protect rotating ring not clashed into and damage by larger impurity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged drawing at A place in Fig. 1.
Detailed description of the invention
As depicted in figs. 1 and 2, of the present utility model a kind of for revolving the sealing device of drum sieve, comprise the screen cylinder 1 that revolves the bottom cylindrical shell 7 of drum sieve and be positioned at cylinder 7 tops, bottom, revolve on the bottom cylindrical shell 7 that rouses sieve and be fixedly installed the retainer ring corresponding with screen cylinder 14, retainer ring 4 is welded to connect with bottom cylindrical shell 7, the lower end of screen cylinder 1 is fixedly installed rotating ring 2, rotating ring 2 is connected by screw with screen cylinder 1, the outer ring of retainer ring 4 is fixedly installed the first ring baffle 8 raising up, the first ring baffle 8 is fastened as a whole with retainer ring 4 welding, between the first ring baffle 8 and rotating ring 2, be provided with gap, the inner ring of rotating ring 2 is fixedly installed the second ring baffle 9 to lower convexity, the second ring baffle 9 is fastened as a whole with rotating ring 2 welding, between the second ring baffle 9 and retainer ring 4, be provided with gap, retainer ring 4, the first ring baffle 8, rotating ring 2 and the second ring baffle 9 form the cavity of a semi-surrounding, retainer ring 4, the first ring baffle 8, rotating ring 2, the second ring baffle 9, screen cylinder 1, the center of circle of bottom cylindrical shell 7 is positioned on same axis.The inner side of the first ring baffle 8 is provided with annular lining 5, annular lining 5 is fixedly installed on the upper end of retainer ring 4, the outside of the second ring baffle 9 is arranged with annular blade 3, annular blade 3 is fixedly installed on the lower surface of rotating ring 2, between annular lining 5 and annular blade 3, be provided with spacing, this spacing is less than the diameter of the sieve aperture of described screen cylinder 4.
The outside of rotating ring 2 is also provided with turbulent flow sheet 6; turbulent flow sheet 6 is connected by screw with rotating ring 2; turbulent flow sheet 6 is in rotary course; turbulent flow sheet 6 can form more powerful turbulent flow; the heavy seeds of cylinder body bottom is disperseed to surrounding; and can not be pooled to middle part, can protect rotating ring 2 not clashed into and damage by larger impurity.
The utility model is in the time of work, retainer ring 4, the first ring baffle 8, rotating ring 2 and the second ring baffle 9 form the cavity of a semi-surrounding, in cavity, be also provided with annular lining 5 and annular blade 3, this just forms a labyrinth seal between screen cylinder 1 and bottom cylindrical shell 7, make slurry never directly enter into Liang Jiang district in screening area, play good sealing effectiveness, ensure the clearance of heavy slag, the existence of annular blade 3 and annular lining 5, can also reduce the wearing and tearing of rotating ring 2 and retainer ring 4.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. the sealing device sieving for revolving drum, comprise the screen cylinder that revolves the bottom cylindrical shell of drum sieve and be positioned at cylindrical shell top, bottom, it is characterized in that: on the described bottom cylindrical shell that revolves drum sieve, be fixedly installed the retainer ring corresponding with screen cylinder, the lower end of screen cylinder is fixedly installed rotating ring, the outer ring of retainer ring is fixedly installed the first ring baffle raising up, between the first ring baffle and rotating ring, be provided with gap, the inner ring of rotating ring is fixedly installed the second ring baffle to lower convexity, between the second ring baffle and retainer ring, be provided with gap, retainer ring, the first ring baffle, rotating ring and the second ring baffle form the cavity of a semi-surrounding, retainer ring, the first ring baffle, rotating ring, the second ring baffle, screen cylinder, the center of circle of bottom cylindrical shell is positioned on same axis.
2. according to claim 1 for revolving the sealing device of drum sieve, it is characterized in that: the inner side of the first described ring baffle is provided with annular lining, the outside of described the second ring baffle is arranged with annular blade, between described annular lining and annular blade, be provided with spacing, described spacing is less than the diameter of the sieve aperture of described screen cylinder.
3. the sealing device sieving for revolving drum according to claim 2, is characterized in that: described annular lining is fixedly installed on the upper end of retainer ring, and described annular blade is fixedly installed on the lower surface of rotating ring.
4. the sealing device sieving for revolving drum according to claim 2, is characterized in that: the arranged outside of described rotating ring has turbulent flow sheet, and turbulent flow sheet and rotating ring are connected by screw.
5. according to the sealing device sieving for revolving drum described in claim 1-4 any one, it is characterized in that: described rotating ring and screen cylinder are connected by screw, described retainer ring is connected with bottom barrel soldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885142.1U CN203654079U (en) | 2013-12-31 | 2013-12-31 | Sealing device of drum sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885142.1U CN203654079U (en) | 2013-12-31 | 2013-12-31 | Sealing device of drum sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654079U true CN203654079U (en) | 2014-06-18 |
Family
ID=50920489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320885142.1U Expired - Fee Related CN203654079U (en) | 2013-12-31 | 2013-12-31 | Sealing device of drum sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203654079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233896A (en) * | 2014-09-02 | 2014-12-24 | 郑州运达造纸设备有限公司 | Diluting device for pressurized screen |
-
2013
- 2013-12-31 CN CN201320885142.1U patent/CN203654079U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104233896A (en) * | 2014-09-02 | 2014-12-24 | 郑州运达造纸设备有限公司 | Diluting device for pressurized screen |
| CN104233896B (en) * | 2014-09-02 | 2016-07-06 | 郑州运达造纸设备有限公司 | A kind of air mix facilities for pressurized screen |
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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: 20140618 |