CN210770244U - Machine seal flushing structure using high-temperature high-pressure static ring belt for cooling - Google Patents
Machine seal flushing structure using high-temperature high-pressure static ring belt for cooling Download PDFInfo
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- CN210770244U CN210770244U CN201921693603.9U CN201921693603U CN210770244U CN 210770244 U CN210770244 U CN 210770244U CN 201921693603 U CN201921693603 U CN 201921693603U CN 210770244 U CN210770244 U CN 210770244U
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Abstract
The utility model discloses an use quiet girdle refrigerated machine of high temperature high pressure to seal and wash structure, include: the sealing device comprises a shaft sleeve and a sealing gland, wherein a liquid inlet and a liquid outlet are symmetrically arranged on the upper side and the lower side in the sealing gland, a static ring is arranged between the sealing gland and the shaft sleeve, a movable ring is arranged on the left side of the static ring, and a movable ring seat is arranged on the left side of the movable ring. Has the advantages that: the wear resistance is better, and the friction is reduced; the sealing is reliable, the service life is long, the service time is greatly prolonged, and the use cost is reduced; the friction power is reduced, and the shaft or the shaft sleeve is not abraded; the liquid inlet is provided with a filter screen to keep the medium in the sealing cavity clean and prevent corrosion and damage; the flushing environment is greatly improved.
Description
Technical Field
The utility model relates to a fluid machinery's sealed field of washing, concretely relates to use quiet girdle band refrigerated machine of high temperature high pressure to seal and wash structure.
Background
The mechanical seal mainly changes the axial seal which is easy to leak into the end face seal which is not easy to leak. In order to reduce or prevent leakage of fluid from these gaps during operation of the pump, sealing means must be provided. The sealing device for sealing the gap between the rotating shaft and the pump shell of the pump is commonly adopted at present, is particularly widely applied to modern high-temperature, high-pressure and high-rotating-speed water feeding pumps, and mainly comprises a movable ring, a static ring, a spring, a sealing ring and the like.
The existing movable ring and static ring are easy to wear in long-time work, so that the sealing performance is reduced to cause accidents, and the movable ring and static ring cause liquid film air flow due to the rise of temperature, deteriorate the lubricating condition and easily cause the heat crack and deformation of the sealing ring.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing an use quiet girdle refrigerated machine of high temperature high pressure to seal and wash structure.
In order to realize the technical purpose, the utility model discloses a scheme is: a machine seal flushing structure using high temperature high pressure static ring belt cooling, comprising: axle sleeve and gland, gland set up the outer lane at the axle sleeve, gland in the side symmetry be provided with inlet and liquid outlet from top to bottom, inlet and liquid outlet be and leak hopper-shaped, and be provided with quiet ring between the axle sleeve, gland's the inlet and the liquid outlet both sides in the quiet ring outside be provided with a pair of quiet ring seal ring, quiet ring left side be provided with the rotating ring, the rotating ring left side be provided with the rotating ring seat, the rotating ring seat in be provided with the slider, slider left side be provided with the spring, the rotating ring for "Z" word form card locate in the slider, the slider inboard be provided with the rotating ring seal ring, the spring left side transversely be provided with the screw, the rotating ring seat vertically be provided with between holding screw and the axle sleeve fixedly.
The lubricating liquid is coated at the positions of the movable ring and the static ring, an oil groove is formed between the movable ring and the sliding block, and the lubricating liquid is arranged in the oil groove.
The movable ring is made of the following materials: any one of stainless steel, stainless steel surface surfacing hard alloy and ceramic, the stationary ring material be: any one of cast iron, babbitt metal and phosphor bronze.
The liquid inlet is provided with a filter screen.
The utility model has the advantages that: the dynamic ring and the static ring are made of different materials, the hardness of the dynamic ring is higher than that of the static ring, and the dynamic ring and the static ring have better wear resistance and have the function of reducing friction; the sealing is reliable, the service life is long, the mechanical sealing can be used for 9 years at the longest under the normal working condition after being verified for many times, the service time is greatly prolonged, and the use cost is reduced; the friction power is reduced, and the shaft or the shaft sleeve is not abraded; the liquid inlet is provided with a filter screen to keep the medium in the sealing cavity clean and prevent corrosion and damage; because the sealing performance is greatly improved, liquid cannot enter other places to cause pollution during flushing, and the flushing environment is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle rotating ring of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a specific embodiment of the present invention is a machine seal flushing structure using high-temperature and high-pressure static ring belt cooling, including: the sealing device comprises a shaft sleeve 1 and a sealing gland 6, wherein the sealing gland 6 is arranged on the outer ring of the shaft sleeve 1, a liquid inlet 8 and a liquid outlet 12 are symmetrically arranged on the upper side and the lower side in the sealing gland 6, the liquid inlet 8 and the liquid outlet 12 are funnel-shaped, a stationary ring 10 is arranged between the shaft sleeve 1 and the shaft sleeve, a pair of stationary ring sealing rings 9 is arranged at the two sides of a liquid inlet 8 and a liquid outlet 12 of the sealing gland 6 at the outer side of the stationary ring 10, a movable ring 5 is arranged on the left side of the static ring 10, a movable ring seat 2 is arranged on the left side of the movable ring 5, a slide block 4 is arranged in the movable ring seat 2, a spring 3 is arranged on the left side of the slide block 4, the movable ring 5 is clamped in the slide block 4 in a Z shape, the inner side of the sliding block 4 is provided with a movable ring sealing ring 11, the left side of the spring 3 is transversely provided with a screw hole, and the movable ring seat 2 is longitudinally provided with a set screw 13 fixed with the shaft sleeve 1.
The lubricating liquid is coated at the positions of the movable ring 5 and the stationary ring 10, an oil groove 14 is formed between the movable ring 5 and the sliding block 4, and the lubricating liquid is arranged in the oil groove 14.
The movable ring 5 is made of the following materials: any one of stainless steel, stainless steel surface surfacing hard alloy and ceramic, the stationary ring 10 is made of: any one of cast iron, babbitt metal and phosphor bronze.
A filter screen 7 is arranged at the liquid inlet 8.
The utility model has the advantages that: the dynamic ring and the static ring are made of different materials, the hardness of the dynamic ring is higher than that of the static ring, and the dynamic ring and the static ring have better wear resistance and have the function of reducing friction; the sealing is reliable, the service life is long, the mechanical sealing can be used for 9 years at the longest under the normal working condition after being verified for many times, the service time is greatly prolonged, and the use cost is reduced; the friction power is reduced, and the shaft or the shaft sleeve is not abraded; the liquid inlet is provided with a filter screen to keep the medium in the sealing cavity clean and prevent corrosion and damage; because the sealing performance is greatly improved, liquid cannot enter other places to cause pollution during flushing, and the flushing environment is greatly improved.
The specific implementation mode is as follows: when the shaft rotates, the sliding block, the moving ring and other parts are driven to rotate together, the moving ring is tightly pressed on the static ring under the action of the spring force, when the shaft rotates, the moving ring and the shaft rotate together, and the static ring is fixed on the sealing gland and is forbidden to move, so that the annular sealing surface of the moving ring in contact with the static ring prevents the leakage of a medium, cooling liquid such as clear water, oil and the like is directly introduced into the inner surface of the sealing ring from the liquid inlet for cooling, the washed liquid is discharged from the liquid outlet, and the hardness of the cooling water is low.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (4)
1. A machine seal flushing structure using high temperature high pressure static ring belt cooling, comprising: axle sleeve and gland, its characterized in that: the utility model discloses a seal gland sets up the outer lane at the axle sleeve, seal gland about in the symmetry be provided with inlet and liquid outlet, inlet and liquid outlet be leaks hopper-shaped, and be provided with quiet ring between the axle sleeve, the seal gland's in the quiet ring outside inlet and liquid outlet both sides be provided with a pair of quiet ring seal ring, quiet ring left side be provided with the rotating ring, the rotating ring left side be provided with the rotating ring seat, the rotating ring seat in be provided with the slider, slider left side be provided with the spring, the rotating ring locate in the slider for "Z" style of calligraphy card, the slider inboard be provided with the rotating ring seal ring, the spring left side transversely be provided with the screw, the rotating ring seat vertically be provided with between holding screw and the axle sleeve fixedly.
2. The machine seal flushing structure using high-temperature and high-pressure static ring belt cooling according to claim 1, characterized in that: the lubricating liquid is coated at the positions of the movable ring and the static ring, an oil groove is formed between the movable ring and the sliding block, and the lubricating liquid is arranged in the oil groove.
3. The machine seal flushing structure using high-temperature and high-pressure static ring belt cooling according to claim 1, characterized in that: the movable ring is made of the following materials: any one of stainless steel, stainless steel surface surfacing hard alloy and ceramic, the stationary ring material be: any one of cast iron, babbitt metal and phosphor bronze.
4. The machine seal flushing structure using high-temperature and high-pressure static ring belt cooling according to claim 1, characterized in that: the liquid inlet is provided with a filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693603.9U CN210770244U (en) | 2019-10-11 | 2019-10-11 | Machine seal flushing structure using high-temperature high-pressure static ring belt for cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921693603.9U CN210770244U (en) | 2019-10-11 | 2019-10-11 | Machine seal flushing structure using high-temperature high-pressure static ring belt for cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770244U true CN210770244U (en) | 2020-06-16 |
Family
ID=71037949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921693603.9U Active CN210770244U (en) | 2019-10-11 | 2019-10-11 | Machine seal flushing structure using high-temperature high-pressure static ring belt for cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770244U (en) |
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2019
- 2019-10-11 CN CN201921693603.9U patent/CN210770244U/en active Active
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