CN218717490U - Roots's fan water-cooling wallboard sealing device - Google Patents
Roots's fan water-cooling wallboard sealing device Download PDFInfo
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- CN218717490U CN218717490U CN202222771325.2U CN202222771325U CN218717490U CN 218717490 U CN218717490 U CN 218717490U CN 202222771325 U CN202222771325 U CN 202222771325U CN 218717490 U CN218717490 U CN 218717490U
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- water
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- oil seal
- framework oil
- cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a roots's fan water-cooling wallboard sealing device belongs to roots's fan technical field, including water-cooling wallboard, sealed overcoat and belt wheel axle sleeve, be equipped with the water course in the water-cooling wallboard, still include seal assembly, seal assembly includes: a framework oil seal I, a framework oil seal II and a framework oil seal III; the utility model has obvious cooling effect and good vacuum degree, and has good sealing performance through the framework oil seal I, the belt wheel shaft sleeve and the piston ring; the framework oil seal II and the framework oil seal III form a sealing state which can be used for blocking airflow, so that a vacuum state is formed by the medium end and the oil tank end; the safe operation of the fan is ensured by arranging the air pressure backflow port; the oil adding port and the oil changing port are arranged, so that maintenance is facilitated, lubricating grease is changed at regular time, and the service life of equipment is prolonged; the problem of current roots's fan water-cooling wallboard's leakproofness lower, equipment life is shorter is solved.
Description
Technical Field
The utility model relates to a roots's fan technical field specifically is a roots's fan water-cooling wallboard sealing device.
Background
Roots blowers, also known as roots blowers, are volumetric rotary blowers and rotary compressors that compress and deliver gas using relative movement of two or three lobed rotors within a cylinder. The blower has simple structure and convenient manufacture, is suitable for gas conveying and pressurization in low-pressure occasions, and can also be used as a vacuum pump. The roots's fan need cool off it at the during operation, is equipped with the water course in the wallboard of roots's fan organism both sides for the cooling water cools off the wallboard through the water course in the wallboard, but the leakproofness of current roots's fan water-cooling wallboard is lower, is unfavorable for the use of equipment, reduces the life of equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a roots's fan water-cooling wallboard sealing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a roots's fan water-cooling wallboard sealing device, includes water-cooling wallboard, sealed overcoat and belt wheel axle sleeve, be equipped with the water course in the water-cooling wallboard, sealed overcoat is in between water-cooling wallboard and the belt wheel axle sleeve, just sealed overcoat tight fit is installed on the water-cooling wallboard, still include seal assembly, seal assembly includes:
the framework oil seal I is positioned on one side of the sealing outer sleeve close to the medium end, and two ends of the framework oil seal I are respectively connected with the sealing outer sleeve and the belt ring shaft sleeve;
the framework oil seal II is arranged on one side, close to the oil tank end, of the sealing outer sleeve and is used for blocking air flow;
and the framework oil seal III is arranged on the inner side of the framework oil seal II and connected with the sealing outer sleeve, and a sealing state is formed between the framework oil seal II and the framework oil seal III and used for blocking the airflow.
As a further aspect of the present invention: the sealing assembly further comprises a piston ring, and the piston ring is arranged between the ring belt shaft sleeve and the sealing outer sleeve.
As a further aspect of the present invention: the sealing assembly further comprises a sealing O-shaped ring, and the sealing O-shaped ring is arranged at two ends of the inner side of the ring shaft sleeve.
As a further aspect of the present invention: the water-cooling wallboard corresponds on the sealed overcoat and is equipped with atmospheric pressure backward flow mouth for absorb from the medium end flow into the belt wheel axle sleeve with air current between the sealed overcoat reduces the pressure of skeleton oil blanket two and skeleton oil blanket three ensures the fan safe operation.
As a further aspect of the present invention: the water-cooling wallboard and the air pressure backflow port are correspondingly provided with an oil filling port and an oil replacing port, and one side of the belt ring shaft sleeve, which is close to the oil tank end, is provided with an oil throwing shaft sleeve.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has obvious cooling effect and good vacuum degree, and can be widely used for coal gas, natural gas and the like; after the fan operates, the first framework oil seal serves as a first sealing defense line, and a seal is formed between the ring belt shaft sleeve and the piston ring to serve as a second sealing defense line, so that the sealing performance is good; the framework oil seal II and the framework oil seal III form a sealing state which can be used for blocking airflow, so that a vacuum state is formed by the medium end and the oil tank end; when the Roots blower is under a high-pressure condition, the air flow flowing from the medium end to the space between the ring belt shaft sleeve and the sealing outer sleeve is absorbed through the air pressure return port, so that the pressure of the framework oil seal II and the framework oil seal III is reduced, and the safe operation of the Roots blower is ensured; the oil filling port and the oil changing port are arranged, so that maintenance is facilitated, lubricating grease is changed regularly, and the service life of equipment is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a sealing device for a water-cooling wall plate of a Roots blower.
Notations for reference numerals: 1-water-cooled wall plate, 2-air pressure reflux port, 3-grease filling port, 4-sealing outer sleeve, 5-framework oil seal I, 6-ring bearing sleeve, 7-sealing O-shaped ring, 8-piston ring, 9-grease changing port, 10-framework oil seal II, 11-framework oil seal III and 12-oil throwing shaft sleeve.
Detailed Description
The technical solution of the present patent will be further described in detail with reference to the following embodiments.
As an embodiment of the present invention, please refer to fig. 1: the utility model provides a roots's fan water-cooling wallboard sealing device, includes water-cooling wallboard 1, sealed overcoat 4 and belt wheel axle sleeve 6, be equipped with the water course in the water-cooling wallboard 1, sealed overcoat 4 is in between water-cooling wallboard 1 and the belt wheel axle sleeve 6, just 4 tight fittings of sealed overcoat are installed on the water-cooling wallboard 1, still include seal assembly, seal assembly includes:
the framework oil seal I5 is positioned on one side, close to the medium end, of the sealing outer sleeve 4, and two ends of the framework oil seal I5 are respectively connected with the sealing outer sleeve 4 and the ring shaft sleeve 6;
the framework oil seal II 10 is arranged on one side, close to the oil tank end, of the seal outer sleeve 4 and used for blocking air flow;
the framework oil seals three 11, framework oil seals three 11 and locates two 10 inboards of framework oil seal, and with sealed overcoat 4 is connected, form sealed state between two 10 and three 11 framework oil seals for block the air current.
The framework oil seal I5 serves as a first sealing defense line, and the sealing performance is good; the framework oil seal II 10 and the framework oil seal III 11 form a sealing state and can be used for blocking air flow, so that a vacuum state is formed between the medium end and the oil tank end.
As an embodiment of the present invention, please refer to fig. 1: the sealing assembly further comprises a piston ring 8, and the piston ring 8 is arranged between the ring belt sleeve 6 and the sealing outer sleeve 4; and a seal is formed between the ring belt sleeve 6 and the piston ring 8 to serve as a second sealing line, so that the sealing performance is good.
As an embodiment of the present invention, please refer to fig. 1: the sealing assembly further comprises sealing O-shaped rings 7, and the sealing O-shaped rings 7 are arranged at two ends of the inner side of the ring belt shaft sleeve 6; the sealing performance of the device is further improved by arranging the sealing O-shaped ring 7.
As an embodiment of the present invention, please refer to fig. 1: the correspondence is equipped with atmospheric pressure backward flow mouth 2 on water-cooling wallboard 1 and the sealed overcoat 4 for absorb from the medium end flow in belt wheel axle sleeve 6 with air current between the sealed overcoat 4 reduces the pressure of two 10 and three 11 of skeleton oil seals ensures the fan safe operation.
As an embodiment of the present invention, please refer to fig. 1: the water-cooling wall plate 1 and the air pressure return port 2 are correspondingly provided with an oil filling port 3 and an oil changing port 9, and one side of the ring bearing sleeve 6 close to the oil tank end is provided with an oil throwing bearing sleeve 12; the grease adding port 3 and the grease changing port 9 are arranged to facilitate maintenance, lubricating grease is replaced at regular time, and the service life of equipment is prolonged.
The working principle is as follows: the first framework oil seal 5 is used as a first sealing defense line, a seal is formed between the ring bearing sleeve 6 and the piston ring 8 to be used as a second sealing defense line, and the sealing performance is good; the framework oil seal II 10 and the framework oil seal III 11 form a sealing state which can be used for blocking air flow, so that a vacuum state is formed by the medium end and the oil tank end; when the Roots blower is under a high-pressure condition, the air flow flowing from the medium end to the space between the ring shaft sleeve 6 and the sealing outer sleeve 4 is absorbed through the air pressure return port 2, so that the pressure of the framework oil seal II 10 and the framework oil seal III 11 is reduced, and the safe operation of the blower is ensured; the grease adding port 3 and the grease changing port 9 are arranged to facilitate maintenance, lubricating grease is replaced at regular time, and the service life of equipment is prolonged.
Claims (5)
1. The utility model provides a roots's fan water-cooling wallboard sealing device, includes water-cooling wallboard, sealed overcoat and belt wheel axle sleeve, be equipped with the water course in the water-cooling wallboard, sealed overcoat is in between water-cooling wallboard and the belt wheel axle sleeve, just sealed overcoat tight fit is installed on the water-cooling wallboard, its characterized in that still includes seal assembly, seal assembly includes:
the framework oil seal I is positioned on one side of the sealing outer sleeve close to the medium end, and two ends of the framework oil seal I are respectively connected with the sealing outer sleeve and the belt ring shaft sleeve;
the framework oil seal II is arranged on one side, close to the oil tank end, of the sealing outer sleeve and is used for blocking air flow;
and the framework oil seal III is arranged on the inner side of the framework oil seal II and connected with the sealing outer sleeve, and a sealing state is formed between the framework oil seal II and the framework oil seal III and used for blocking the airflow.
2. The sealing device for a water-cooled wallboard of a Roots blower according to claim 1, wherein the sealing assembly further comprises a piston ring, and the piston ring is arranged between the ring belt sleeve and the sealing outer sleeve.
3. The sealing device for the water-cooled wall plate of the Roots blower according to claim 2, wherein the sealing assembly further comprises sealing O-rings, and the sealing O-rings are arranged at two ends of the inner side of the ring sleeve.
4. The roots blower water-cooling wall plate sealing device as claimed in claim 3, wherein the water-cooling wall plate and the sealing outer sleeve are correspondingly provided with air pressure return ports for absorbing air flow flowing from the medium end to the space between the ring belt sleeve and the sealing outer sleeve, so as to reduce the pressure of the second skeleton oil seal and the third skeleton oil seal and ensure safe operation of the blower.
5. The sealing device for the water-cooled wall plate of the Roots blower according to claim 1, wherein the water-cooled wall plate and the air pressure return port are correspondingly provided with an oil filling port and an oil replacing port, and one side of the ring gear shaft sleeve, which is close to the oil tank end, is provided with an oil throwing shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771325.2U CN218717490U (en) | 2022-10-21 | 2022-10-21 | Roots's fan water-cooling wallboard sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771325.2U CN218717490U (en) | 2022-10-21 | 2022-10-21 | Roots's fan water-cooling wallboard sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218717490U true CN218717490U (en) | 2023-03-24 |
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ID=85587507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222771325.2U Active CN218717490U (en) | 2022-10-21 | 2022-10-21 | Roots's fan water-cooling wallboard sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218717490U (en) |
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2022
- 2022-10-21 CN CN202222771325.2U patent/CN218717490U/en active Active
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