CN203214441U - Circulating cooling mechanism of mechanical seal device for pump - Google Patents
Circulating cooling mechanism of mechanical seal device for pump Download PDFInfo
- Publication number
- CN203214441U CN203214441U CN 201320184018 CN201320184018U CN203214441U CN 203214441 U CN203214441 U CN 203214441U CN 201320184018 CN201320184018 CN 201320184018 CN 201320184018 U CN201320184018 U CN 201320184018U CN 203214441 U CN203214441 U CN 203214441U
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- Prior art keywords
- ring
- gland
- mechanical seal
- groove
- pumping
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Abstract
The utility model provides a circulating cooling mechanism of a mechanical seal device for a pump. An annular flow groove (16) is formed in an inner ring face (10), corresponding to a pumping ring blade portion (61), of a pressing cover. The portion, corresponding to a circulating fluid outlet (7) in the pressing cover, of the annular flow groove (16) is not communicated, and a separation protruded stop (15) is formed. The back side portion, close to a circulating fluid inlet (8), of the inner ring face of the pressing cover, is provided with an axial fluid inlet groove (17) which is communicated with the annular flow groove (16), therefore, a cooling medium entering an inner cavity (E) of the mechanical seal pressing cover from the circulating fluid inlet (8) can operate for almost a circle in the inner cavity (E) of the mechanical seal pressing cover and then enter the annular flow groove (16) from the fluid inlet groove (17), a flowing path of the cooling circulating fluid is long, and the cooling effect on the inner cavity (E) of the mechanical seal pressing cover is improved.
Description
Technical field
The utility model relates to mechanical seal device, particularly
Pump is usedThe cooling body of mechanical seal device.
Background technique
Mechanical seal can produce frictional heat and heat of stirring in the running, if untimely the shedding of these heats can influence the usability of mechanical seal, therefore need take corresponding cooling method to come to lower the temperature to mechanical seal.Cooling scheme commonly used for single mechanical end face seal has, and offers pass liquid hole on the gland of mechanical seal respectively, by the built-in pumping ring in mechanical seal chamber with the medium transport of gland inner chamber to external heat exchanger, after heat exchange, return the gland inner chamber again.Cycling mechanism has very big influence to the circulating effect quality of cooling liquid to cooling effect in this cooling scheme.
The cooling body of mechanical seal device as shown in Figure 1 at present, comprise gland 1, static components 2, moving ring assembly 4, pumping ring 6, offer circulating liquid outlet 7 at gland 1, circulating liquid entrance 8, static components 2 is installed in gland 1, moving ring assembly 4 is installed on axle or the axle sleeve and rotates with axle, the friction ring of moving ring assembly 4, the friction ring of static components 2 rotates to cooperate and forms mechanical seal, pumping ring 6 is fixedly connected on that the follow-up ring assembly rotates together on the tailstock of moving ring assembly 4, the circulating liquid outlet of offering on the corresponding gland 1 of the outer portion of pumping ring 67 cooperates the centrifugal pumping of formation mechanism with gland 1 inner chamber anchor ring, medium pump among the mechanical seal cover 1 inner chamber E is delivered to the outer heat exchanger that arranges of equipment (pump) carry out the heat exchange circulation, make medium continuous cycle heat exchange between mechanical seal cover 1 inner chamber E and heat exchanger.
Its shortcoming of the prior art is, owing to be subjected to the restriction of equipment (pump) external structure, as the suspension opening direction of outside or the restriction that handles money and arrange, the circulating liquid outlet 7 of offering at gland 1 generally is to be into 90 or 180 or 270 degree angles distributions mutually to offer with circulating liquid entrance 8, circulating liquid enters into from exporting 7 outflows from entrance 8 under the effect of pumping ring 6 like this, the cooling circulation liquid that enters mechanical seal cover inner chamber E is at mechanical seal cover inner chamber E 1/4 or 1/2 or 3/4 circle that can only flow, there is 3/4 or 1/2 or 1/4 circle ' dead band ', the cooling circulation liquid that the enters mechanical seal cover inner chamber E path of flowing through is short, medium circulation among the mechanical seal cover inner chamber E is insufficient, and influence is to the cooling effect of mechanical seal cover inner chamber E.
The model utility content
The purpose of this utility model is to improve at above-mentioned the deficiencies in the prior art, and a kind of cooling body of mechanical seal device of good cooling results is provided.
The cooling body of the utility model mechanical seal device, comprise gland 1, static components 2, moving ring assembly 4, pumping ring 6, offer circulating liquid outlet 7 at gland 1, circulating liquid entrance 8, static components 2 is installed in gland 1, moving ring assembly 4 is installed on axle or the axle sleeve and rotates with axle, the friction ring of moving ring assembly 4 rotates to cooperate with the friction ring of static components 2 and forms mechanical seal, pumping ring 6 is fixedly connected on that the follow-up ring assembly rotates together on the tailstock of moving ring assembly 4, the circulating liquid outlet of offering on the corresponding gland 1 of the outer portion of pumping ring 67 cooperates the centrifugal pumping of formation mechanism with gland 1 inner chamber anchor ring, it is characterized in that, offer groove 60 in the middle part circle distribution of the pump anchor ring 61 of pumping ring 6 and form blades 61, left and right sides portion at the pump anchor ring 61 of pumping ring 6 offers labyrinth seal groove 65 respectively, 61 ones in the blade of corresponding pumping ring 6 has circulation groove 16 at gland 1 inner ring surface 10, it is not open-minded that the circulating liquid of this circulation groove 16 on corresponding gland 1 exports 7 places, form one and cut off protruding retaining 15, open in circulation groove 16 bottom surfaces, the front side of protruding retaining 15 with circulating liquid outlet 7 drainages that communicate and portal 7 ', near the rear sides (turning to definite direction with pumping ring 6) of circulating liquid entrance 8 gland 1 inner ring surface 10 have communicate with circulation groove 16 axially go into liquid groove 17, circulation groove 16 is communicated with the rear sides of circulating liquid entrance 8.
When the utility model pumping ring 6 follow-up ring assemblies 4 rotate, medium in the circulation groove 16 produces under the acting in conjunction of pumping ring 6 and its blade 61 and flows, medium not only portals from drainage under centrifugal action and 7 ' flows out, and medium is subjected to protruding retaining 15 and stops when circulation groove 16 flows, portal to drainage under pressure and 7 ' flow out, improved the pumping capacity of pumping ring 6.Medium in the while mechanical seal cover inner chamber E, under the effect of pumping ring 6, produce revolution, medium in the circulation groove 16 replenishes by the liquid groove 17 of axially going into that communicates with circulation groove 16, be opened in rear sides near circulating liquid entrance 8 and axially go into liquid groove 17, after the cooling medium that enters mechanical seal cover inner chamber E from circulating liquid entrance 8 moves a nearly week in mechanical seal cover inner chamber E like this, enter circulation groove 16 from going into liquid groove 17 again, no matter the circulating liquid outlet 7 of offering at gland 1 is to be into 90 or 180 or 270 degree angles distributions mutually to offer with circulating liquid entrance 8, the cooling medium that enters mechanical seal cover inner chamber E from circulating liquid entrance 8 all must be after the nearly week of operation in mechanical seal cover inner chamber E, enter circulation groove 16 from going into liquid groove 17 again, there is not 3/4 or 1/2 or 1/4 circle ' dead band ', the cooling circulation liquid that the enters mechanical seal cover inner chamber E path length of flowing through, abundant to the medium circulation among the mechanical seal cover inner chamber E, improved the cooling effect to mechanical seal cover inner chamber E greatly.
Description of drawings
Fig. 1 is the prior art structural representation.
Fig. 2 is the A-A sectional view of Fig. 1.It has represented the cooling circulation liquid route of flowing through.
Fig. 3 is the utility model example structure schematic representation.
Fig. 4 is the B-B sectional view of Fig. 3.
Fig. 5 is the utility model pumping ring 6 structural representations.
Fig. 6 is the utility model pumping ring 6 perspective view.
Embodiment
The cooling body of the utility model mechanical seal device, comprise gland 1, static components 2, moving ring assembly 4, pumping ring 6, offer circulating liquid outlet 7 at gland 1, circulating liquid entrance 8, static components 2 is installed in gland 1, moving ring assembly 4 is installed on axle or the axle sleeve and rotates with axle, the friction ring of moving ring assembly 4 rotates to cooperate with the friction ring of static components 2 and forms mechanical seal, pumping ring 6 is fixedly connected on that the follow-up ring assembly rotates together on the tailstock of moving ring assembly 4, the circulating liquid outlet of offering on the corresponding gland 1 of the outer portion of pumping ring 67 cooperates the centrifugal pumping of formation mechanism with gland 1 inner chamber anchor ring, it is characterized in that, offer groove 60 in the middle part circle distribution of the pump anchor ring 61 of pumping ring 6 and form blades 61, left and right sides portion at the pump anchor ring 61 of pumping ring 6 offers labyrinth seal groove 65 respectively, 61 ones in the blade of corresponding pumping ring 6 has circulation groove 16 at gland 1 inner ring surface 10, it is not open-minded that the circulating liquid of this circulation groove 16 on corresponding gland 1 exports 7 places, form one and cut off protruding retaining 15, (61 ones in the blade that is corresponding pumping ring 6 has circulation groove 16 at gland 1 inner ring surface 10, the circulating liquid of this circulation groove 16 on corresponding gland 1 exports 7 places and disconnects, forming one is not complete groove annulus, gap forms the protruding retaining 15 of partition on the groove), open in circulation groove 16 bottom surfaces, the front side of protruding retaining 15 with circulating liquid outlet 7 drainages that communicate and portal 7 ', near the rear sides (turning to definite direction with pumping ring 6) of circulating liquid entrance 8 gland 1 inner ring surface 10 have communicate with circulation groove 16 axially go into liquid groove 17, circulation groove 16 is communicated with the rear sides of circulating liquid entrance 8.Shown in accompanying drawing 5,6 embodiments, the left and right sides at pumping ring 6 pump anchor rings 61 blades 61 offers annular drainage groove 62a, 62b respectively, to improve air flowability, medium is introduced blade 61 roots, improve carrying and centrifugal action power of 61 pairs of media of blade, thereby improve the pumping efficiency of pumping ring 6.
Claims (2)
1. the cooling body of mechanical seal for pump device, comprise gland (1), static components (2), moving ring assembly (4), pumping ring (6), offer circulating liquid outlet (7) at gland (1), circulating liquid entrance (8), static components (2) is installed in gland (1), moving ring assembly (4) is installed on axle or the axle sleeve and rotates with axle, the friction ring of moving ring assembly (4) rotates to cooperate with the friction ring of static components (2) and forms mechanical seal, pumping ring (6) is fixedly connected on that the follow-up ring assembly rotates together on the tailstock of moving ring assembly (4), the circulating liquid outlet (7) of offering on the corresponding gland of the outer portion of pumping ring (6) (1) cooperates the centrifugal pumping of formation mechanism with gland (1) inner chamber anchor ring, it is characterized in that, offer groove (60) in the middle part circle distribution of the pump anchor ring (61) of pumping ring (6) and form blade (61), left and right sides portion at the pump anchor ring (61) of pumping ring (6) offers labyrinth seal groove (65) respectively, blade (61) portion of corresponding pumping ring (6) has circulation groove (16) at gland (1) inner ring surface (10), the circulating liquid outlet (7) of this circulation groove (16) on corresponding gland (1) located not open-minded, form one and cut off protruding retaining (15), opening the drainage that communicates with circulating liquid outlet (7) in the front side of protruding retaining (15) circulation groove (16) bottom surface portals (7 '), near the rear sides of circulating liquid entrance (8) gland (1) inner ring surface (10) have communicate with circulation groove (16) axially go into liquid groove (17), circulation groove (16) is communicated with the rear sides of circulating liquid entrance (8).
2. the cooling body of mechanical seal for pump device according to claim 1 is characterized in that, offers annular drainage groove (62a, 62b) respectively in the left and right sides of pumping ring (6) pump anchor ring (61) blade (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320184018 CN203214441U (en) | 2013-04-13 | 2013-04-13 | Circulating cooling mechanism of mechanical seal device for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320184018 CN203214441U (en) | 2013-04-13 | 2013-04-13 | Circulating cooling mechanism of mechanical seal device for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214441U true CN203214441U (en) | 2013-09-25 |
Family
ID=49203985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320184018 Withdrawn - After Issue CN203214441U (en) | 2013-04-13 | 2013-04-13 | Circulating cooling mechanism of mechanical seal device for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214441U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061188A (en) * | 2014-07-10 | 2014-09-24 | 江苏永一泵业有限公司 | Centrifugal mechanical sealing cooling system of hot water circulating pump |
| CN103233920B (en) * | 2013-04-13 | 2015-09-02 | 丹东克隆集团有限责任公司 | The cooling body of mechanical sealing device used for pump |
-
2013
- 2013-04-13 CN CN 201320184018 patent/CN203214441U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233920B (en) * | 2013-04-13 | 2015-09-02 | 丹东克隆集团有限责任公司 | The cooling body of mechanical sealing device used for pump |
| CN104061188A (en) * | 2014-07-10 | 2014-09-24 | 江苏永一泵业有限公司 | Centrifugal mechanical sealing cooling system of hot water circulating pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20150902 |
|
| RGAV | Abandon patent right to avoid regrant |