CN219975344U - Sealing structure of sludge screw feeder - Google Patents
Sealing structure of sludge screw feeder Download PDFInfo
- Publication number
- CN219975344U CN219975344U CN202320842915.1U CN202320842915U CN219975344U CN 219975344 U CN219975344 U CN 219975344U CN 202320842915 U CN202320842915 U CN 202320842915U CN 219975344 U CN219975344 U CN 219975344U
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- CN
- China
- Prior art keywords
- ring
- sealing
- gland
- sealing ring
- wear
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 115
- 239000010802 sludge Substances 0.000 title claims description 8
- 210000004907 gland Anatomy 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 7
- 239000010439 graphite Substances 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model provides a mud spiral feeder sealing structure, includes locking ring, seal tube, gland and wear-resisting cover, locking ring, seal tube, gland and wear-resisting cover are coaxial annular structure, the locking ring comprises two semicircular structure rings, the locking ring sets up in one side of sealing ring, adopt labyrinth ring structural connection between locking ring and the sealing ring, the gland sets up the opposite side at the sealing ring, wear-resisting cover sets up in sealing ring and gland, be equipped with pressure ring and lubricating ring in the sealing ring, all be equipped with multiple sealing washer structure between sealing ring and the pressure ring, between pressure ring and the gland, multiple sealing washer structure includes tetrafluoro sealing washer and graphite sealing washer, be equipped with GY1 series sealing washer in the gland, pressure ring, lubricating ring and multiple sealing washer structure in the sealing ring all set up between sealing ring and wear-resisting cover. The utility model has the characteristics of simple and ingenious structure, low failure rate and convenient maintenance.
Description
Technical Field
The utility model belongs to the technical field of spiral conveying equipment, and particularly relates to a sealing structure of a sludge spiral feeder.
Background
The auxiliary equipment which is indispensable in the sewage treatment field during spiral conveying equipment is mainly used for conveying solid materials. The general screw conveying system is composed of a screw body and a driving device (a motor and a speed reducer), materials enter the screw body through a feeding hole, the driving device provides power to convey the materials by using a screw blade, and the materials are sent out or sent into a construction environment through a discharging hole.
The normal operation of the screw feeding system is not separated from the efficient sealing between the inside of the screw body and the outside, the sealing quality directly influences the service cycle and the service life of equipment, and the single packing sealing is commonly seen in the market at present, but the following defects exist in the sealing form:
1. the single packing seal is not lubricated, the friction force between the shaft and the packing is larger, the packing consumption is faster, and the shaft abrasion is larger.
2. The internal pressure of the whole sealing device is small, mud easily enters the filler, and sealing failure is caused.
3. The frequency of disassembling and repairing the vulnerable parts is high.
Disclosure of Invention
Aiming at the technical problems of the sealing mechanism in the background art, the utility model provides a multi-layer sealing structure with pressure maintaining and lubrication so as to solve the defects in the prior art.
The utility model adopts the following technical scheme:
the utility model provides a mud spiral feeder sealing structure, includes locking ring, sealing tube, gland and wear-resisting cover, its characterized in that, locking ring, sealing tube, gland and wear-resisting cover are coaxial annular structure, the locking ring comprises two semicircular structure rings, the locking ring sets up in one side of sealing ring, adopt labyrinth ring structural connection between locking ring and the sealing ring, the gland sets up the opposite side at the sealing ring, one side that the gland is connected with the sealing ring sets up the inner circle, and the opposite side sets up the outer lane, the inner circle sets up in the sealing ring, wear-resisting cover sets up in sealing ring and gland, be equipped with pressure ring and lube ring in the sealing ring, all be equipped with multiple sealing ring structure between sealing ring and the pressure ring, between pressure ring and the gland, multiple sealing ring structure includes tetrafluoro seal ring and graphite seal, be equipped with GY1 class sealing ring in the gland, pressure ring, lube ring and multiple sealing ring structure all set up between sealing ring and wear-resisting cover in the sealing ring.
Further, the two semicircular structures of the locking ring are connected by bolts.
Further, the sealing tube is connected with the gland by bolts.
Further, the diameter size of the outer ring of the gland is larger than the diameter size of the inner ring of the gland.
Further, the sealing ring and the gland are both provided with flanges, and a plurality of mounting screw holes are uniformly formed in the flanges.
The utility model has the following beneficial effects:
the utility model changes the traditional single packing seal into a multi-layer sealing ring sealing structure with pressure labyrinth seal and pressure and capable of compensating. Compared with the traditional sealing structure in the prior art, the sealing structure has greatly improved functions, structure, use, performance and subsequent vulnerable part replacement. The utility model has the characteristics of simple and ingenious structure, low failure rate and convenient maintenance.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 3 is a schematic view of the mounting structure of the present utility model;
FIG. 4 is a schematic cross-sectional view of a mounting structure of the present utility model.
In the figure: 1. the sealing tube comprises a sealing tube body, 2, a locking ring, 3, an end plate, 4, a shaft rod, 5, a wear-resistant sleeve, 6, a pressure ring, 7, a lubricating ring, 8, a graphite sealing ring, 9, a tetrafluoro sealing ring, 10, a gland, 11, GY1 sealing rings, 101, a flange, 102 and a mounting hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, a sealing structure of a sludge screw feeder is composed of a sealing tube 1, a locking ring 2, a wear-resistant sleeve 5, a pressure ring 6, a lubrication ring 7, a gland 10 and a plurality of sealing ring structures, wherein the locking ring 2 is arranged at one end of the sealing tube 1, the gland 10 is arranged at the other end of the sealing tube 1, the wear-resistant sleeve 5 is arranged at the inner sides of the sealing tube 1 and the gland 10, and the pressure ring 6, the lubrication ring 7 and the plurality of sealing ring structures are arranged between the sealing tube 1 and the wear-resistant sleeve 5;
the locking ring 2 consists of two semicircular structures, one side of the locking ring 2 is provided with a labyrinth ring structure, one side of the two semicircular structures is provided with a countersunk hole, the other side is provided with a threaded hole, the locking ring is fixed on the shaft lever 4 through two screws, and an O-shaped ring is arranged between two matching surfaces to increase sealing;
one side of the sealing tube 1 is provided with a labyrinth ring structure matched with the labyrinth ring structure arranged on one side of the locking ring 2, labyrinth sealing is formed by the cooperation of the labyrinth ring structures between the sealing tube 1 and the locking ring 2, various sealing ring structures arranged between the sealing tube 1 and the wear-resistant sleeve 5 are graphite sealing rings 8 and tetrafluoro sealing rings 9, and the installation sequence of the pressure ring 6, the lubricating ring 7 and the various sealing ring structures in the sealing tube 1 is as follows from the end of the labyrinth ring structure: the pressure ring 6, the tetrafluoro sealing ring 9, the graphite sealing ring 8, the lubrication ring 7, the graphite sealing ring 8 and the tetrafluoro sealing ring 9;
the gland 10 and the sealing tube 1 are connected through a flange 101 and a mounting hole 103 by bolts, an inner ring is arranged at one end of the long gland 10 connected with the sealing tube 1, an outer ring is arranged at the other side of the long gland, the inner ring is arranged in the sealing tube 1, a sealing groove is arranged in the outer ring, and a GY1 sealing ring 11 is arranged in the sealing groove.
When the sealing device is applied, the locking ring 2 is fixed on the shaft lever 4 by adopting screws, when the shaft lever 4 rotates, the locking ring 2 rotates along with the shaft lever, the sealing tube 1 is fixedly arranged on the end plate and is kept static, the labyrinth ring structure between the locking ring 2 and the sealing tube 1 is matched and sealed, and meanwhile, the lubricating pump continuously injects oil into the labyrinth ring through the oil hole on the sealing tube 1, so that certain pressure is kept in the labyrinth ring, and a first seal is formed; the wear-resistant sleeve 5 is fixed on the shaft rod through two mutually perpendicular screws, and the wear-resistant sleeve 5 rotates along with the shaft rod 4 to be tightly matched with the sealing ring; the gland 10 is connected with the sealing tube 1 through a long bolt, the gland 10 forms pressure on the sealing ring through bolt contraction, the sealing ring deforms, so that the sealing structure has compensation, meanwhile, the lubricating pump continuously injects oil into the lubricating ring 7 through the oil hole on the sealing tube 1, so that certain pressure is kept in the sealing tube 1, and a second seal is formed; the GY1 sealing ring is positioned in the gland 10 and is tightly matched with the wear-resistant sleeve 5 to form a third seal.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a mud spiral feeder sealing structure, includes locking ring, sealing tube, gland and wear-resisting cover, its characterized in that, locking ring, sealing tube, gland and wear-resisting cover are coaxial annular structure, the locking ring comprises two semicircular structure rings, the locking ring sets up in one side of sealing ring, adopt labyrinth ring structural connection between locking ring and the sealing ring, the gland sets up the opposite side at the sealing ring, one side that the gland is connected with the sealing ring sets up the inner circle, and the opposite side sets up the outer lane, the inner circle sets up in the sealing ring, wear-resisting cover sets up in sealing ring and gland, be equipped with pressure ring and lube ring in the sealing ring, all be equipped with multiple sealing ring structure between sealing ring and the pressure ring, between pressure ring and the gland, multiple sealing ring structure includes tetrafluoro seal ring and graphite seal, be equipped with GY1 class sealing ring in the gland, pressure ring, lube ring and multiple sealing ring structure all set up between sealing ring and wear-resisting cover in the sealing ring.
2. A sludge screw feeder seal as in claim 1 wherein the two semi-circular formations of the locking ring are bolted.
3. The sludge screw feeder sealing structure of claim 1, wherein the sealing tube is connected with the gland by bolts.
4. A sludge screw feeder seal as claimed in claim 1 wherein the outer diameter of the gland is greater than the inner diameter of the gland.
5. The sludge screw feeder sealing structure of claim 1, wherein the sealing ring and the gland are both provided with flanges, and a plurality of mounting screw holes are uniformly formed in the flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320842915.1U CN219975344U (en) | 2023-04-17 | 2023-04-17 | Sealing structure of sludge screw feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320842915.1U CN219975344U (en) | 2023-04-17 | 2023-04-17 | Sealing structure of sludge screw feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975344U true CN219975344U (en) | 2023-11-07 |
Family
ID=88580703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320842915.1U Active CN219975344U (en) | 2023-04-17 | 2023-04-17 | Sealing structure of sludge screw feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975344U (en) |
-
2023
- 2023-04-17 CN CN202320842915.1U patent/CN219975344U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |