CN203441810U - Constraint self-cooling assembly-type mechanical sealing - Google Patents
Constraint self-cooling assembly-type mechanical sealing Download PDFInfo
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- CN203441810U CN203441810U CN201320170525.0U CN201320170525U CN203441810U CN 203441810 U CN203441810 U CN 203441810U CN 201320170525 U CN201320170525 U CN 201320170525U CN 203441810 U CN203441810 U CN 203441810U
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- ring
- axial diversion
- seal
- impeller
- axial
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Abstract
In a kind of constraint self-cooling assembly-type mechanical sealing, a pair or multiple pairs of sealing rings, a blade wheel, a cooling fin, an axial diversion sleeve as well as a seal end plate or a movable ring shaft sleeve are connected and integrated into a kind of one-piece axial end face sealing; the constraint self-cooling assembly-type mechanical sealing in the utility model can be a kind of built-in mechanical sealing or a kind of built-out mechanical sealing, the blade wheel is firmly disposed on an external circle of a rotary ring base or a rotary shaft sleeve, the cooling fin is firmly disposed on a static ring base or the external circle of a static sealing ring, the blade wheel and the cooling fin are hitched by the axial diversion sleeve which is fixed on the center of the end plate ring, clearance is provided between the axial diversion sleeve and the blade wheel and between the axial diversion sleeve and the cooling fin and the axial diversion sleeve is concentric with the axis, and a movable seal ring and the static seal ring are located in an internal cavity of the axial diversion sleeve. The blade wheel is driven by a rotary shaft to drive a low-temperature medium to rapidly enter the internal cavity of the axial diversion sleeve, the medium is subjected to heat exchange with the seal ring here and then flows out from a gap or a through hole of the other end of the axial diversion sleeve, a circulating loop is formed and objectives of constraint cooling and temperature decrease can be reached without external connection to water sources and auxiliary equipment.
Description
Technical field
The utility model relates to mechanical seal field, and especially a kind of pressure is from cooling integrated mechanical sealing.
Background technique
Mechanical seal is a kind of contact-type rotary seal, if the heat that friction produces effectively distributes not in time, shifts, will directly affect the working state of mechanical sealing friction pairs, gently cause liquid film gasification between friction pair and cause unlubricated friction, thereby the wearing and tearing of aggravation friction pair, heavy can cause friction pair hot tearing, cause losing efficacy, have a strong impact on mechanical seal working life; And the cooling mode of mechanical seal is external sparge water at present, this cooling means must have exterior clean water source, or draws medium to machine envelope flushing, cooling from the pump housing, and the today day by day lacking in water resources, using water wisely, reduces water and pollute very urgent; From a cooling integrated mechanical sealing, without any need for external water source and supplementary equipment, can drive air or sealing medium coolant seal ring, reach the object that pressure cools voluntarily, like this can saving water resource, save operating cost.
Summary of the invention
The purpose of this utility model is to realize and need not rinses and can carry out cooling to sealing in external water source, can make again mechanical seal reliablely and stablely move, prolonged mechanical seals working life, provide a kind of pressure from cooling integrated mechanical sealing, himself is with forcing cooling mechanism, can impel outside cryogenic media fast by friction pair high-temperature area, and take away the heat that friction produces, thereby reach the object to mechanical seal quick heat radiating, assurance mechanical sealing linkage ring and stationary ring are worked under the environment of relative low temperature.
When the utility model is applied to external mechanical seal, be achieved in that a kind of pressure is from cooling integrated mechanical sealing, comprise a pair of or multipair stationary seal ring, rotary packing ring, impeller, radiating fin, axial diversion cover, gland ring, static ring seat, rotation ring seat, the axial end sealing of O RunddichtringO, seal arrangement is by rotating ring seat, rotary packing ring, stationary seal ring, static ring seat, gland ring and O RunddichtringO form, rotation ring seat is concentric with running shaft, by lock screw and running shaft, fix, rotation ring seat inner chamber groove place is provided with O RunddichtringO, play the seal action of rotation ring seat and running shaft, rotary packing ring internal diameter is by O RunddichtringO and rotation ring seat external diameter drive fit, in rotation ring seat, be provided with axial pin, match with rotary packing ring cotter slot and play the effect that prevents rotation, stationary seal ring external diameter and static ring seat inner chamber drive fit, static ring seat is slidably matched by the internal diameter of pin and O type rubber ring and gland ring, static ring seat one end face pushes mutually with the axle spring being arranged in gland ring, stationary seal ring other end and rotary packing ring are away from the end face sliding contact of rotation ring seat, be provided with a forced cooling device, by impeller, radiating fin, axial diversion cover forms, impeller endoporus is provided with keyway, with spline, be fixedly installed on rotation ring seat external diameter circumference, impeller utilizes running shaft to drive, without increasing external impetus, pump efficiency direction is towards moving, stationary seal ring, radiating fin is to be made by Al-alloy metal thin slice, evenly be arranged on vertically static ring seat external diameter circumference, between sheet metal, there is axial clearance, be conducive to circulation of air, axial diversion cover is concentric with axle, with screw, be fixedly installed on gland ring end face, axial diversion cover has been opened ventilation breach away from impeller place circumference, form the air outlet of air stream together with being arranged on the ring-type arc groove of gland ring end face, outside Cryogenic air enters fast axial diversion cover inner chamber under the agitating of impeller, and the gap of the radiating fin of flowing through, and carries out fast heat exchange by being discharged by air outlet, thereby reach the object of fast cooling at this.Described impeller is concentric with axle, synchronize, and pump efficiency direction is all the time towards axial diversion cover breach or through hole end.
When being applied to internally mounted mechanical seal, the utility model is achieved in that a kind of pressure is from cooling integrated mechanical sealing, seal arrangement is by axle sleeve, rotary packing ring, stationary seal ring, gland ring and O RunddichtringO form, axle sleeve is fixed on running shaft by retaining ring and lock screw, rotary packing ring is fixedly installed in bore sleeve, by O RunddichtringO sealing drive fit, pin coordinates with rotary packing ring end face cotter slot, stationary seal ring is arranged in gland ring inner chamber, on stationary seal ring external diameter and gland ring inner chamber groove, footpath is by O RunddichtringO drive fit, the axle spring being arranged in gland ring inner chamber pushes mutually with stationary seal ring one end face, axial pin in gland ring inner chamber and static seal end face pin groove fit, stationary seal ring away from the end face of gland ring and rotary packing ring away from the laminating of closely sliding of the end face of bore sleeve, forced cooling device is comprised of axial diversion cover and impeller, impeller endoporus and axle sleeve external diameter are tightly fixed, axial diversion cover is enclosed within on impeller, and be fixed on gland ring end face center with screw, rotary packing ring and stationary seal ring are all in axial diversion cover, axial diversion cover inner hole wall and impeller outer diameter are gapped, axial diversion cover has some radial direction through hole away from impeller end, impeller rotation direction is consistent with axle, and pump efficiency direction is all the time towards rotary packing ring and stationary seal ring, during mechanical seal running, impeller is pumped into the cryogenic media of axle sleeve leading portion in axial diversion cover, moving, heat exchange is carried out in stationary seal ring outside, by axial diversion cover radial indentation, flow out, reach the object of forced cooling.
Impeller utilizes main shaft drives, without external impetus, without external water source, can force voluntarily coolingly, has guaranteed the reliable operation of mechanical seal, can save operating cost again.
Working principle of the present utility model and advantage thereof and effect:
This model utility mechanical seal is applicable to the medium pump of low-voltage and medium voltage, can allow a small amount of particle, but in the large medium of inapplicable granule density, is not also suitable for thickness or easy crystal medium.
Before device start, with bolt, through the bolt hole on mechanical seal cover ring, mechanical seal is fixed on Seal cage flange, after lock screw is locked in equipment axis, finally remove positioning block.
During running, the rotation of running shaft drives impeller, constantly cool exterior air or cryogenic media are pumped in axial diversion cover, axle is because axial diversion cover radially offers some breach or through hole away from impeller place circumference, cooling medium is from changing breach or through hole pumping is gone out, formation is with circulation loop, and cooling medium carries out heat exchange between this and seal ring, thereby reaches the object of fast cooling.For increasing radiating efficiency, also can radiating fin be set in static ring seat or stationary seal ring excircle, radiating fin can be made by Al-alloy metal thin slice, is vertically umbrella central distribution, has increased the area of contact of cooling medium and thermal source, is more conducive to heat radiation.
Accompanying drawing explanation
Fig. 1 is the utility model external-mounted structure schematic diagram;
Fig. 2 is impeller view;
Fig. 3 is radiating fin, stationary seat, stationary seal ring view;
Fig. 4 is axial diversion cover schematic diagram;
Fig. 5 is the utility model built-in type structural representation.
Reference character 1, gland ring; 2, pad; 3, running shaft; 4, O RunddichtringO one; 5, static ring seat; 6, stationary seal ring; 7, rotary packing ring; 8, rotation ring seat; 9, O RunddichtringO two; 10, O RunddichtringO three; 11, lock screw; 12, ring-type arc groove; 13, radiating fin; 14, axial diversion cover; 15, impeller; 16, spline; 17, axle spring; 18, pin one; 19, pin two; 20, screw one; 21, screw two; 22, positioning block; 23, Seal cage; 24, axle sleeve; 25, retaining ring.
Embodiment
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
Embodiment one, referring to Fig. 1, a kind of pressure, from cooling integrated mechanical sealing, is loaded on one by seal arrangement and forced cooling device collection, seal arrangement is by rotating ring seat 8, rotary packing ring 7, stationary seal ring 6, static ring seat 5, gland ring 1 and O RunddichtringO 1, O RunddichtringO 29, O RunddichtringO 3 10 forms, rotation ring seat 8 is concentric with running shaft 3, fixing with running shaft 3 by lock screw 11, rotation ring seat 8 inner chamber groove places are provided with O RunddichtringO 3 10, play the seal action of rotation ring seat 8 and running shaft 3, rotary packing ring 7 internal diameters are by O RunddichtringO 29 and rotation ring seat 8 external diameter drive fits, in rotation ring seat 8, be provided with axial pin 2 19, match with rotary packing ring 7 cotter slots and play the effect that prevents rotation, stationary seal ring 6 external diameters and static ring seat 5 inner chamber drive fits, static ring seat 5 is slidably matched with the internal diameter of gland ring 1 by pin 1 and O type rubber ring 1, stationary seat 5 one end faces push mutually with the axle spring 17 being arranged in gland ring 1, stationary seal ring 6 other ends and rotary packing ring 7 are away from the end face sliding contact of rotation ring seat 8, forced cooling device is by impeller 15, radiating fin 13, axial diversion cover 14 forms, impeller 15 endoporus are provided with keyway, with spline 16, be fixedly installed on rotation ring seat 8 external diameter circumference, impeller 15 utilizes running shaft 3 to drive, without increasing external impetus, and pump efficiency direction is all the time towards moving, stationary seal ring, radiating fin 13 is to be made by Al-alloy metal thin slice, be evenly distributed on vertically static ring seat 5 external diameter circumference, gapped between radiating fin 13, be conducive to circulation of air, axial diversion cover 14 is fixedly installed on gland ring 1 end face center with screw 1, axial diversion cover 14 has ventilation breach away from impeller 15 end circumference, form air port together with being arranged on the ring-type arc groove 12 of gland ring 1 end face, outside Cryogenic air enters fast axial diversion and overlaps 14 inner chambers under the agitating of impeller 15, and fast by the gap of radiating fin 13, carries out fast heat exchange by being discharged by exhaust outlet, thereby reach the object of fast cooling at this.Impeller 15 pump efficiency directions should be all the time towards axial rotary packing ring 7 and stationary seal ring 6 directions, and when running shaft 3 rotation directions are when contrary, impeller 15 also needs oppositely; It is cylindric that axial diversion overlaps 14 inner chambers, also can be circular cone tubular.2 is pad, and 21 is that screw two, 22 is positioning block, and 23 is Seal cage.
Embodiment two, referring to Fig. 5, a kind of pressure, from cooling integrated mechanical sealing, is loaded on one by seal arrangement and forced cooling device collection, seal arrangement is by axle sleeve 24, rotary packing ring 7, stationary seal ring 6, gland ring 1 and O RunddichtringO form, axle sleeve 24 is fixed on running shaft 3 by retaining ring 25 and lock screw 11, rotary packing ring 7 is fixedly installed in axle sleeve 24 inner chambers, by O RunddichtringO one 4 sealing drive fits, pin 1 coordinates with rotary packing ring 7 end face cotter slots, stationary seal ring 6 is arranged in gland ring 1 inner chamber, on stationary seal ring 6 external diameters and gland ring 1 inner chamber groove, footpath is by O RunddichtringO 29 drive fits, the axle spring 17 being arranged in gland ring 1 inner chamber pushes mutually with stationary seal ring 6 one end faces, axial pin 1 and static seal end face pin groove fit in gland ring 1 inner chamber, stationary seal ring 6 away from the end face of gland ring 1 and rotary packing ring 7 away from the laminating of closely sliding of the end face of axle sleeve 24 inner chambers, forced cooling device is comprised of axial diversion cover 14 and impeller 15, impeller 15 endoporus and axle sleeve 24 external diameters are tightly fixed, axial diversion cover 14 is enclosed within on impeller 15, and be fixed on gland ring 1 end face center with screw 1, rotary packing ring 7 and stationary seal ring 6 are all in axial diversion cover 14, axial diversion overlaps 14 inner hole walls and impeller 15 external diameters are gapped, axial diversion cover 14 has some radial direction through hole away from impeller 15 ends, impeller 15 rotation directions are consistent with running shaft 3, and pump efficiency direction is all the time towards rotary packing ring 7 and stationary seal ring 6, retaining ring 25 connects as one by positioning block 22 and screw 2 21 with gland ring 1.2 is pad, and 10 is that O RunddichtringO three, 23 is Seal cage.Impeller 15 pumped medium are liquid, therefore can be without radiating fin.
Claims (4)
1. pressure, from a cooling integrated mechanical sealing, is characterized in that: comprise the axial end sealing of a pair of or multipair stationary seal ring, rotary packing ring, impeller, radiating fin, axial diversion cover, gland ring, static ring seat, rotation ring seat, O RunddichtringO, its seal arrangement can be arranged on Seal cage outside, gland ring is fixedly installed on Seal cage flanged surface outside by pad, the static ring seat that is installed with stationary seal ring is slidably matched by O RunddichtringO and gland ring inner chamber, rotary packing ring is enclosed within rotation ring seat by O RunddichtringO, rotation ring seat is passed through lock screw, O RunddichtringO is fixedly installed on running shaft away from Seal cage side, moving, the sealing surface sliding contact of stationary seal ring, forced cooling device is also arranged on Seal cage outside, comprise that impeller is arranged at rotation ring seat excircle, its endoporus and rotation ring seat external diameter circumference drive fit, radiating fin is evenly arranged on static ring seat excircle, axial diversion cover is enclosed within on impeller and radiating fin, with screw, be fixedly installed on center, gland ring exterior edge face, axial diversion cover inner hole wall and impeller outer diameter, radiating fin external diameter is all gapped, moving, stationary seal ring is positioned at axial diversion cover, positioning block connects as one rotation ring seat and axial diversion cover, seal arrangement also can be arranged on Seal cage inner side, gland ring is fixedly installed on Seal cage outside, stationary seal ring is arranged on gland ring inner chamber by Seal cage side by O RunddichtringO, rotary packing ring is arranged in the inner chamber of axle sleeve one end, its sealing surface and the sliding contact of stationary seal ring interior edge face, be arranged on the retaining ring in gland ring outside, positioning block links into an integrated entity gland ring and axle sleeve, forced cooling device is also arranged in Seal cage, comprise that axial diversion cover is fixedly installed on gland ring inner side end center with screw, impeller is arranged in axial diversion cover inner chamber and is fixedly installed on sleeve outer circle, impeller outer diameter is gapped with the cover inwall that axially flows backwards, moving, stationary seal ring is all arranged in axial diversion cover inner chamber, retaining ring and positioning block connect as one axle sleeve and gland ring.
2. a kind of pressure according to claim 1, from cooling integrated mechanical sealing, is characterized in that: described axial diversion cover is radially offered one or more breach or through hole away from impeller end, and is provided with Connection Bracket.
3. a kind of pressure according to claim 1 and 2, from cooling integrated mechanical sealing, is characterized in that: described impeller is concentric with axle, synchronize, and pump efficiency direction is all the time towards axial diversion cover breach or through hole end.
4. a kind of pressure according to claim 1, from cooling integrated mechanical sealing, is characterized in that: described radiating fin is umbrella central distribution vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320170525.0U CN203441810U (en) | 2013-04-08 | 2013-04-08 | Constraint self-cooling assembly-type mechanical sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320170525.0U CN203441810U (en) | 2013-04-08 | 2013-04-08 | Constraint self-cooling assembly-type mechanical sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441810U true CN203441810U (en) | 2014-02-19 |
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ID=50092869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320170525.0U Expired - Lifetime CN203441810U (en) | 2013-04-08 | 2013-04-08 | Constraint self-cooling assembly-type mechanical sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441810U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763674A (en) * | 2015-04-02 | 2015-07-08 | 北京华晟环能科技有限公司 | Impeller type pressure-adjustable mechanical sealing component |
| CN108240351A (en) * | 2016-12-23 | 2018-07-03 | 南京金能新型材料制造厂 | Packaging type cools down anhydrous mechanical seal certainly |
| CN113175527A (en) * | 2021-05-17 | 2021-07-27 | 江西立新机液化设备制造有限公司 | Rotary sealing shaft head protection and automatic cooling method |
-
2013
- 2013-04-08 CN CN201320170525.0U patent/CN203441810U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763674A (en) * | 2015-04-02 | 2015-07-08 | 北京华晟环能科技有限公司 | Impeller type pressure-adjustable mechanical sealing component |
| CN108240351A (en) * | 2016-12-23 | 2018-07-03 | 南京金能新型材料制造厂 | Packaging type cools down anhydrous mechanical seal certainly |
| CN108240351B (en) * | 2016-12-23 | 2024-07-02 | 南京金能新型材料制造厂 | Container type self-cooling anhydrous mechanical seal |
| CN113175527A (en) * | 2021-05-17 | 2021-07-27 | 江西立新机液化设备制造有限公司 | Rotary sealing shaft head protection and automatic cooling method |
| CN113175527B (en) * | 2021-05-17 | 2022-09-16 | 江西立新机液化设备制造有限公司 | Rotary sealing shaft head protection and automatic cooling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160603 Address after: 210000 No. 309 Hanzhoung Avenue, Nanjing, Jiangsu Patentee after: ENVIRONMENTAL GASKET Co.,Ltd. Address before: 210000, 309 Hanzhoung Avenue, Gulou District, Jiangsu, Nanjing Patentee before: AIGI INDUSTRIAL GROUP OF COMPANIES Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
|
| CX01 | Expiry of patent term |