CN111878586A - Feeding sealing structure of wet mill - Google Patents
Feeding sealing structure of wet mill Download PDFInfo
- Publication number
- CN111878586A CN111878586A CN202010909232.4A CN202010909232A CN111878586A CN 111878586 A CN111878586 A CN 111878586A CN 202010909232 A CN202010909232 A CN 202010909232A CN 111878586 A CN111878586 A CN 111878586A
- Authority
- CN
- China
- Prior art keywords
- feeding
- sleeve
- seal
- bushing
- sealing
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a feeding sealing structure of a wet mill, which comprises a feeding chute, a sleeve, a gland, a lip seal, a retainer ring, a sealing ring, round rubber and a feeding bushing, wherein the feeding bushing and the gland are arranged on the sleeve to form a sealing cavity; a sealing ring is arranged between the sleeve and the feeding lining to form a second seal; lip seals and check rings are arranged among the gland, the sleeve and the feeding bush to form a third seal; when the mill normally starts, the feeding chute, the sleeve, the sealing ring and the round rubber are static relative to the mill, and the lip-shaped seal, the retaining ring, the feeding lining and the end cover rotate together. The invention effectively solves the frequent slurry leakage phenomenon in the operation process of the wet mill, saves the production cost and improves the enterprise benefit.
Description
Technical Field
The invention relates to a feeding sealing structure of a wet mill, belonging to the technical field of feeding sealing of mills.
Background
The slurry leakage phenomenon can occur at the joint between the feeding chute and the feeding lining of the wet ball mill due to poor sealing effect. Slurry leakage can cause a series of problems of corrosion of the inner wall of the bearing liner, tile burning and the like, thereby causing resource waste and seriously influencing the development of enterprises. In recent years, a plurality of optimization schemes are provided for the slurry leakage problem, but the sealing effect is still poor, so that a feeding sealing structure with good sealing effect is urgently needed, and the invention provides a novel feeding sealing structure of a wet mill to solve the problem.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a feeding sealing structure of a wet mill for multilayer segmental slurry plugging aiming at the defects in the prior art.
In order to solve the technical problem, the invention provides a feeding sealing structure of a wet mill, which comprises a feeding chute, a sleeve, a gland, a lip seal, a retainer ring, a sealing ring, round rubber and a feeding bushing, wherein the feeding bushing and the gland are arranged on the sleeve to form a sealing cavity; a sealing ring is arranged between the sleeve and the feeding lining to form a second seal; lip seals and check rings are arranged among the gland, the sleeve and the feeding bush to form a third seal; when the mill normally starts, the feeding chute, the sleeve, the sealing ring and the round rubber are static relative to the mill, and the lip-shaped seal, the retaining ring, the feeding lining and the end cover rotate together.
The first sealing middle round rubber, the sleeve and the feeding bushing are tightly matched together.
And the sleeve and the sealing ring are in interference fit in the second seal, and a gap exists between the sealing ring and the feeding bushing.
The third seal is characterized in that the gland is in interference fit with the feeding bushing, the lip seal is in interference fit with the gland, and the check ring is in interference fit with the feeding bushing; the gland, feed bushing and lip seal rotate with the barrel.
The feeding chute is welded with the sleeve. And the surface roughness of the outer surface of the sleeve is Ra0.8.
The clearance between the retainer ring and the sleeve is 3 mm.
A gap exists between the sealing ring and the feeding lining, and the sealing ring can be used for sealing between the feeding chute and the feeding lining; but also reduce the abrasion of the sealing ring.
Has the advantages that: the invention effectively solves the frequent slurry leakage phenomenon in the operation process of the wet mill, saves the production cost and improves the enterprise benefit.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partially enlarged view of a sealing portion.
In the figure: 1 feeding elephant trunk, 2 sleeves, 3 glands, 4 lip seals, 5 check rings, 6 sealing rings, 7 round rubbers and 8 feeding bushes.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of the sealing portion.
The invention provides a feeding sealing structure of a wet mill, which comprises a feeding chute 1, a sleeve 2, a gland 3, a lip seal 4, a retainer ring 5, a sealing ring 6, a round rubber 7 and a feeding bushing 8, wherein the feeding bushing 8 and the gland 3 are arranged on the sleeve 2 to form a sealing cavity, and the round rubber 7 is arranged between the sleeve 2 and the feeding bushing 8 to form a first seal; a sealing ring 6 is arranged between the sleeve 2 and the feeding bush 8 to form a second seal; a lip seal 4 and a retainer ring 5 are arranged among the gland 3, the sleeve 2 and the feeding bush 8 to form a third seal; when the mill normally starts, the feeding chute 1, the sleeve 2, the sealing ring 6 and the round rubber 7 are static relative to the mill, and the lip seal 4, the check ring 5 and the feeding lining 8 rotate together with the end cover.
The first sealing is formed by tightly matching the round rubber 7, the sleeve 2 and the feeding bushing 8 together and is used for sealing the feeding chute 1 and the feeding bushing 8.
And the sleeve 2 and the sealing ring 6 are in interference fit in the second seal, and a gap exists between the sealing ring 6 and the feeding bushing 8.
In the third seal, the gland 3 is in interference fit with the feeding bushing 8, and the lip seal 4 is in interference fit with the gland 3 and is used for sealing between the feeding chute 1 and the feeding bushing 8; the retainer ring 5 and the feeding bush 8 are in interference fit; the gland 3, feed bushing 8 and lip seal 4 will rotate with the barrel.
The feeding chute 11 and the sleeve 2 are welded together, and the surface roughness of the outer surface of the sleeve 2 is Ra0.8.
The clearance between the retainer ring 5 and the sleeve 2 is 3mm, and the retainer ring is used for sealing between the feeding chute 1 and the feeding lining 8.
A gap exists between the sealing ring 6 and the feeding lining 8, and the sealing ring can be used for sealing between the feeding chute and the feeding lining; but also reduce the abrasion of the sealing ring.
When the grinder normally operates, slurry can enter the barrel along the feeding chute 1, and when the slurry in the barrel is higher than the lowest part of the inner diameter of the feeding chute 1, the slurry can flow outwards along the gap between the feeding chute 1 and the feeding lining 8. The round rubber 7, the sleeve 2 and the feeding bushing 8 are in close contact to form a first seal, the surface roughness of the outer surface of the sleeve 2 is Ra0.8, the lower the surface roughness is, the better the sealing effect is, and the longer the service life of the round rubber 7 is.
The tight contact between sleeve 2, sealing washer 6 and the feeding bush 8 forms the second and seals, is interference fit between sleeve 2 and the sealing washer 6, and is gapped between sealing washer 6 and the feeding bush 8, can prevent that the wearing and tearing sealing washer 6 when feeding bush 8 rotates, can play sealed effect again.
Through the three sealing structures, the slurry leakage phenomenon frequently occurring in the operation process of the wet mill can be effectively solved, the production cost is saved, and the enterprise benefit is improved.
The above-described embodiments of the invention are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. A wet mill feed seal structure which characterized in that: the feeding device comprises a feeding chute (1), a sleeve (2), a gland (3), a lip seal (4), a retainer ring (5), a sealing ring (6), round rubber (7) and a feeding bushing (8), wherein the feeding bushing (8) and the gland (3) are arranged on the sleeve (2) to form a sealing cavity, and the round rubber (7) is arranged between the sleeve (2) and the feeding bushing (8) to form a first seal; a sealing ring (6) is arranged between the sleeve (2) and the feeding bushing (8) to form a second seal; a lip seal (4) and a retainer ring (5) are arranged among the gland (3), the sleeve (2) and the feeding bushing (8) to form a third seal; when the mill normally starts, the feeding chute (1), the sleeve (2), the sealing ring (6) and the round rubber (7) are static relative to the mill, and the lip seal (4), the check ring (5) and the feeding bushing (8) rotate together with the end cover.
2. A wet mill feed seal arrangement according to claim 1, wherein: the first sealing middle round rubber (7), the sleeve (2) and the feeding bushing (8) are tightly matched together.
3. A wet mill feed seal arrangement according to claim 1, wherein: and the sleeve (2) and the sealing ring (6) are in interference fit in the second seal, and a gap is reserved between the sealing ring (6) and the feeding bushing (8).
4. A wet mill feed seal arrangement according to claim 1, wherein: in the third seal, the gland (3) and the feeding bushing (8) are in interference fit, the lip seal (4) and the gland (3) are in interference fit, and the check ring (5) and the feeding bushing (8) are in interference fit; the gland (3), feed bushing (8) and lip seal will rotate with the barrel.
5. A wet mill feed seal arrangement according to claim 1, wherein: the feeding chute (1) and the sleeve (2) are welded together, and the surface roughness of the outer surface of the sleeve (2) is Ra0.8.
6. A wet mill feed seal arrangement according to claim 1, wherein: and the clearance between the retainer ring (5) and the sleeve (2) is 3 mm.
7. A wet mill feed seal arrangement according to any one of claims 1 to 6, characterised in that: a gap is formed between the sealing ring (6) and the feeding lining (8), and the sealing ring can be used for sealing between the feeding chute and the feeding lining; but also can reduce the abrasion of the sealing ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010909232.4A CN111878586A (en) | 2020-09-02 | 2020-09-02 | Feeding sealing structure of wet mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010909232.4A CN111878586A (en) | 2020-09-02 | 2020-09-02 | Feeding sealing structure of wet mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111878586A true CN111878586A (en) | 2020-11-03 |
Family
ID=73199881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010909232.4A Pending CN111878586A (en) | 2020-09-02 | 2020-09-02 | Feeding sealing structure of wet mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111878586A (en) |
-
2020
- 2020-09-02 CN CN202010909232.4A patent/CN111878586A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102016365A (en) | Sealing device | |
| CN105464882A (en) | Main shaft seal device and axial flow turbine with same | |
| CN102003467A (en) | Rolling bearing sealing element and rolling bearing sealing structure | |
| CN202251455U (en) | Oil-storage bearing and concrete pump truck | |
| US8573602B2 (en) | Radial shaft seal with dust exclusion and hydrodynamic sealing feature | |
| CN212536658U (en) | Feeding sealing structure of wet mill | |
| CN111878586A (en) | Feeding sealing structure of wet mill | |
| CN212959552U (en) | Sealing structure of bearing for belt pulley of decoupler built in automobile generator | |
| CN202756623U (en) | Shaft end sealing device | |
| CN217434368U (en) | Robot joint combined sealing structure | |
| CN103410976A (en) | Durable washing machine seal ring | |
| CN213839554U (en) | Shaft end sealing structure for concrete distributor shaft | |
| CN213711414U (en) | Shaft end sealing device of slurry pump | |
| CN212536653U (en) | Compound feeding sealing device of mill | |
| CN211288213U (en) | Slurry pump annular sleeve seal | |
| CN204592296U (en) | A kind of wet ball mill feed pipe mechanical seal device | |
| CN218625413U (en) | Seal structure for wear-resistant ring of stirring shaft of internal mixer | |
| CN220816246U (en) | Wear-resistant gland capable of automatically compensating wear | |
| CN205991105U (en) | A kind of bearing sealed ring | |
| CN214698746U (en) | Separator rotation shaft assembly | |
| CN201650287U (en) | Water seal assembly of cantilever section of heading machine | |
| CN210436379U (en) | Shaft end sealing structure of concrete stirring shaft or conveying shaft | |
| CN108386450A (en) | From the multi-lip seal bearing of pressure release | |
| CN217174165U (en) | Double-disc refiner and bearing sealing structure thereof | |
| CN215334016U (en) | Shaft end sealing device with built-in bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |