CN201310485Y - Mechanical seal of IFB phenolic aldehyde glass fiber centrifugal pump - Google Patents
Mechanical seal of IFB phenolic aldehyde glass fiber centrifugal pump Download PDFInfo
- Publication number
- CN201310485Y CN201310485Y CNU2008201550329U CN200820155032U CN201310485Y CN 201310485 Y CN201310485 Y CN 201310485Y CN U2008201550329 U CNU2008201550329 U CN U2008201550329U CN 200820155032 U CN200820155032 U CN 200820155032U CN 201310485 Y CN201310485 Y CN 201310485Y
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- pump
- stop
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- cover
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Abstract
The utility model relates to a mechanical seal of an IFB phenolic aldehyde glass fiber centrifugal pump, which comprises a moving ring, a stationary ring, a water-tight seal moving ring and a water-tight seal stationary ring, wherein the moving ring connected with an impeller wheel through a shaft is connected with a shaft sleeve through a first O-shaped ring, the stationary ring is connected with the front side of a pump cover, the water-tight seal moving ring is connected with the rear end of the shaft sleeve, the water-tight seal stationary ring is connected with a water-tight seal stationary ring holder, the water-tight seal stationary ring holder is connected with a rear cover, a cooling water inlet connecting point and a cooling water outlet connecting point are connected with the pump cover through tube making screw threads, the position that the cooling water inlet connecting point connected with the pump cover is in front of a combination surface of the pump cover and the rear cover, between the shaft sleeve and a short sleeve and under the center of a pump, and the position that the outlet connecting point connected with the pump cover is in front of the combination surface of the pump cover and the rear cover, between the shaft sleeve and the short sleeve and above the center of the pump. The utility model has the advantages of solving the cooling problem of the mechanical seal simultaneously prolonging the service life and improving applicability and safety of the pump.
Description
Technical field
The utility model relates to a kind of IFB phenolic aldehyde glass fiber centrifugal pump, relates in particular to the mechanical seal structure in this IFB phenolic aldehyde glass fiber centrifugal pump.
Background technique
The IFB phenolic aldehyde glass fiber centrifugal pump mainly is applicable to relevant industries such as chemical industry, metallurgy.The main material of pump is the phenolic aldehyde glass fiber moulded plastic, and it has characteristics such as corrosion-resistant, high temperature resistant and wear-resisting.
As seen from Figure 1: centrifugal pump generally is made up of the pump housing 1, impeller 2, pump cover 3, mechanical seal structure 4, overcoat 5, and the critical component mechanical seal of pump is the principal element of determining the pump quality.
As seen from Figure 2: the existing mechanical sealing group is made up of rotating seat 41, O shape circle 42, rotating ring 43, stationary ring 44, the 2nd O shape circle the 45, the 3rd O shape circle 46, spring 47, axle sleeve 48 and shaft filler washer 49; Nine parts are formed two parts: wherein rotating seat 41 and rotating ring 43 enclose 42 by an O shape to be connected are first parts; It is second parts that overcoat 5 is connected with spring 47 by the 3rd O shape circle 46 with stationary ring 44; Last mechanical seal group is linked to each other with the 2nd O shape circle 42, pump cover 3 by the overcoat 5 of second parts, and the rotating seat 41 of shaft filler washer 49, axle sleeve 48, first parts is connected integral body by continuous the formation with impeller 2 of axle.
The pump shaft of earlier axle sleeve being packed into when installing, the overcoat of again stationary ring, O shape circle, spring being packed into is connected with pump cover, at last rotating ring, the 2nd O shape is enclosed the rotating seat of packing into and is enclosed within on the pump shaft and tightens with impeller.
The main effect of mechanical seal group is exactly a sealability, and the key point that guarantees sealability so depends between its parts annexation accurately, from following some just can embody:
First is tightly connected a little: being connected of rotating seat, O shape circle and rotating ring, main effect is to corrode pump shaft on the pump shaft in order to prevent that medium from leaking into.
Second is tightly connected a little: the connection of stationary ring, the 3rd O shape circle, spring, overcoat, the 2nd O shape circle, pump cover, its main seal point are being connected of stationary ring, the 3rd O shape circle and overcoat, and main effect is in order to prevent that medium from leaking into overcoat inner chamber corrosion spring.
The 3rd is tightly connected a little: be tightly connected a little and second be tightly connected and form by first, its main seal point is the rotating ring plane and being connected of stationary ring plane, and the relation of being tightly connected on two planes, by being connected and the compression of spring and forming of impeller, rotating seat and axle sleeve, also be most important being tightly connected a little.
Because pump is to be operated in for a long time under the deep-etching and the condition of high temperature, also be the strictest to the requirement of mechanical seal cooling system.The existing machinery sealing group is a unit tool seal arrangement, this group mechanical seal in use relies on interior media to cool off fully so, and the temperature of interior media is unsatisfactory to the cooling of mechanical seal usually than higher, causes burning and damaging of mechanical seal easily.
Summary of the invention:
The utility model technical issues that need to address have provided the mechanical seal in a kind of IFB phenolic aldehyde glass fiber centrifugal pump, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The utility model comprises: a rotating ring that connects impeller by axle; Described rotating ring joins with axle sleeve by O shape circle; Also comprise: the stationary ring of a connection pump cover front side; The water-stop rotating ring of a connecting bushing rear end; The water-stop stationary ring of a connection water-stop stationary seat; Described water-stop stationary seat and bonnet join; Cooling water intake joint and outlet connection join by control screw thread and pump cover; The position that cooling water intake joint and pump cover join before pump cover and the bonnet junction plane, locate between axle sleeve and the short cover and under the pump center; The position that outlet connection and pump cover join before pump cover and the bonnet junction plane, locate between axle sleeve and the short cover and on the pump center.
Compared with prior art, the beneficial effects of the utility model are: solved the cooling problem of mechanical seal, the working life, applicability and the Security that have also improved pump simultaneously.
Description of drawings:
Fig. 1 is an IFB phenolic aldehyde glass fiber centrifugal pump structural representation in the prior art;
Fig. 2 is a mechanical seal structure schematic representation among Fig. 1;
Fig. 3 is the utility model structural representation;
Fig. 4 adopts IFB phenolic aldehyde glass fiber centrifugal pump structural representation of the present utility model.
Embodiment:
By Fig. 3, Fig. 4 as seen: the utility model comprises: a rotating ring 401 that connects impeller by axle; Described rotating ring 401 joins with axle sleeve 405 by O shape circle 402; Also comprise: the stationary ring 403 of a connection pump cover front side; The water-stop rotating ring 411 of connecting bushing 405 rear ends; The water-stop stationary ring 412 of a connection water-stop stationary seat 415; Described water-stop stationary seat 415 joins with bonnet 409; Cooling water intake joint 420 and outlet connection 421 join by control screw thread and pump cover; The position that cooling water intake joint 420 and pump cover join before pump cover and the bonnet junction plane, locate between axle sleeve 405 and the short cover 417 and under the pump center; The position that outlet connection 421 and pump cover join before pump cover and the bonnet junction plane, locate between axle sleeve 405 and the short cover 417 and on the pump center;
The stationary ring 403 of a described connection pump cover is: stationary ring 403 joins with pump cover by the 2nd O shape circle 404, spring 407, spring collar 406, bonnet 409, the 4th O shape circle 410; The 2nd O shape circle 404 is in the middle of stationary ring 403 and pump cover joint, and spring collar 406 is among pump cover and after the stationary ring 403, and spring 407 is among pump cover and after the spring collar 406, and the 4th O shape circle 410 is between pump cover and bonnet 409 abutted surfaces;
The water-stop rotating ring 411 of a described connecting bushing 405 is: water-stop rotating ring 411 joins with axle sleeve 405 by the 3rd O shape circle the 408, the 7th O shape circle 419 and short cover 417; The 3rd O shape circle 408 is between axle sleeve and water-stop rotating ring 411 abutted surfaces, and the 7th O shape circle 419 joins between the circle at short cover 417 and water-stop rotating ring 411, and water-stop rotating ring 411 is between axle sleeve 405 and short cover 417;
The water-stop stationary ring 412 of a described connection water-stop stationary seat 415 is: water-stop stationary ring 412 joins by the 5th O shape circle 413, water-stop spring 416 and water-stop spring collar 418 and water-stop stationary seat 415;
It is to join by the 6th O shape circle 414 that described water-stop stationary seat 415 joins with bonnet 409;
Described axle sleeve 405 is to be joined by the key location of ring 422 in the axle sleeve with axle head with being connected of axle, and ring 422 is between axle and axle sleeve 405 in the axle sleeve.
The utility model mechanical seal group is formed (main frame tool sealed member+cooling water mechanical seal parts) by two cover mechanical seals, has increased external chilled water unit.Outer cooling is meant by external cooling water cools off mechanical seal; Interior circulation cooling is meant and utilizes interior media to cool off by pod apertures
The utility model requires to connect cooling water earlier before the pump running.The high temperature of mechanical seal group is formed by the rotating ring and the stationary ring generation friction of high speed rotating in the work, the use of cooling water can reduce its temperature fast and effectively so, and the mechanical seal group after improving can also utilize at work interior media carry out in the circulation cooling, thereby reach the effect of two-way cooling.Behind the cancellation cooling water mechanical seal parts, circulating cooling machine tool sealing group is used in can be used as, and applicability is better.
The working principle of mechanical seal is described: the rotating ring in the mechanical seal group in the work, two groups of plane sealing tie points, and all along with the clockwise high speed rotating of impeller.Owing to the plane of two rotating rings forms high temperature with the planar friction of two stationary rings in rotation, will burn the mechanical seal group in the inadequate situation of cooling.So must before the work of mechanical seal group, connect cooling water earlier, and guarantee that the cooling water in the cooling chamber can seepage.The utilization of cooling water mechanical seal so, effective use of cooling water in the machinery sealing group when not only having guaranteed work has guaranteed that also the cooling water under the state of rest can not reveal.(prerequisite is to close cooling water)
Structure one cover of the present utility model is used for medium-tight, and the another set of cooling water that is used for seals.And the main effect of cooling water mechanical seal is: prevent the cooling water leakage; Reduce the waste of cooling water; Remain the cooling of mechanical seal group; Avoid occurring the phenomenon generation that disconnected cooling water burns the mechanical seal group.
Key in the utility model be tightly connected a little have following some:
First is tightly connected a little: being connected of connection between water-stop stationary seat, spring, water-stop spring collar, water-stop stationary ring, the 5th O shape circle, water-stop rotating ring, the 6th O shape circle and bonnet, crucial tie point is the connection between water-stop stationary ring, the 5th O shape circle, the water-stop stationary seat, and main effect is in order to prevent the cooling water seepage.
Second is tightly connected a little: the connection between short cover, the 7th O shape circle, the water-stop rotating ring, main effect is in order to prevent the cooling water seepage.
The 3rd is tightly connected a little: the connection between pump cover, stationary ring, the 2nd O shape circle, spring collar, the spring, crucial tie point are the connections between pump cover, the 2nd O shape circle, the stationary ring, and main effect is to corrode pump shaft on the pump shaft in order to prevent that medium from leaking into.
The 4th is tightly connected a little: the connection between rotating ring, O shape circle, the axle sleeve.
The 5th is tightly connected a little: be tightly connected a little and the 4th be tightly connected and form by the 3rd, crucial seal point is the rotating ring plane and being connected of stationary ring plane, and the annexation between them by impeller and axle sleeve, the 3rd O shape circle, water-stop rotating ring, lack between overlapping be connected and the compression of spring is formed.Main effect is in order to prevent the medium seepage.
The 6th is tightly connected a little: second is tightly connected a little and first composition that is tightly connected, crucial seal point is water-stop rotating ring plane and being connected of water-stop stationary ring plane, and the annexation between them by impeller and axle sleeve, the 3rd O shape circle, water-stop rotating ring, lack between overlapping be connected and the compression of water-stop spring is formed.Main effect is in order to prevent the cooling water seepage.
Claims (6)
1. the mechanical seal in the IFB phenolic aldehyde glass fiber centrifugal pump comprises: a rotating ring (401) that connects impeller by axle; Described rotating ring (401) encloses (402) by an O shape and joins with axle sleeve (405); It is characterized in that also comprising: the stationary ring (403) of a connection pump cover front side; The water-stop rotating ring (411) of a connecting bushing (405) rear end; The water-stop stationary ring (412) of a connection water-stop stationary seat (415); Described water-stop stationary seat (415) joins with bonnet (409); A cooling water intake joint (420) and outlet connection (421) join by control screw thread and pump cover; The position that cooling water intake joint (420) and pump cover join before pump cover and the bonnet junction plane, locate between axle sleeve (405) and the short cover (417) and under the pump center; The position that outlet connection (421) and pump cover join before pump cover and the bonnet junction plane, locate between axle sleeve (405) and the short cover 417 and on the pump center.
2. the mechanical seal in the IFB phenolic aldehyde glass fiber centrifugal pump according to claim 1 is characterized in that: the stationary ring of a described connection pump cover (403) is: stationary ring (403) encloses (404), spring (407), spring collar (406), bonnet 409, the 4th O shape circle (410) and pump cover by the 2nd O shape and joins; The 2nd O shape circle (404) is in the middle of stationary ring (403) and pump cover joint, spring collar (406) among pump cover and stationary ring (403) afterwards, spring (407) among pump cover and spring collar (406) afterwards, the 4th O shape circle (410) is between pump cover and bonnet (409) abutted surface.
3. the mechanical seal in the IFB phenolic aldehyde glass fiber centrifugal pump according to claim 1 is characterized in that: the water-stop rotating ring (411) of a described connecting bushing (405) is: water-stop rotating ring (411) encloses (408), the 7th O shape circle (419) and short cover (417) by the 3rd O shape and joins with axle sleeve (405); The 3rd O shape circle (408) is between axle sleeve and water-stop rotating ring (411) abutted surface, and the 7th O shape circle (419) joins between the circle at short cover (417) and water-stop rotating ring (411), and water-stop rotating ring (411) is between axle sleeve (405) and short cover (417).
4. the mechanical seal in the IFB phenolic aldehyde glass fiber centrifugal pump according to claim 1 is characterized in that: the water-stop stationary ring (412) of a described connection water-stop stationary seat (415) is: water-stop stationary ring (412) encloses (413), water-stop spring (416) and water-stop spring collar (418) by the 5th O shape and water-stop stationary seat (415) joins.
5. the mechanical seal in the IFB phenolic aldehyde glass fiber centrifugal pump according to claim 1 is characterized in that: it is to join by the 6th O shape circle (414) that described water-stop stationary seat (415) joins with bonnet (409).
6. the mechanical seal in the IFB phenolic aldehyde glass fiber centrifugal pump according to claim 1, it is characterized in that: described axle sleeve (405) is to be joined by the key location of ring (422) in the axle sleeve with axle head with being connected of axle, and ring (422) is between axle and axle sleeve (405) in the axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201550329U CN201310485Y (en) | 2008-11-07 | 2008-11-07 | Mechanical seal of IFB phenolic aldehyde glass fiber centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201550329U CN201310485Y (en) | 2008-11-07 | 2008-11-07 | Mechanical seal of IFB phenolic aldehyde glass fiber centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201310485Y true CN201310485Y (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201550329U Expired - Fee Related CN201310485Y (en) | 2008-11-07 | 2008-11-07 | Mechanical seal of IFB phenolic aldehyde glass fiber centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201310485Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737355B (en) * | 2008-11-07 | 2012-01-11 | 华荣集团上海东耐管道有限公司 | Mechanical seal in IFB phenolic aldehyde glass fiber centrifugal pump |
| CN102889235A (en) * | 2012-10-25 | 2013-01-23 | 杭州新安江工业泵有限公司 | High-temperature resistance plastics centrifugal pump |
| WO2016058454A1 (en) * | 2014-10-17 | 2016-04-21 | 邢宇 | Coolant or heating liquid circulation system of cantilever-type centrifugal pump |
| CN113357156A (en) * | 2021-07-19 | 2021-09-07 | 江苏维尔特泵业有限公司 | Novel inside and outside multilayer seal cooling hot water circulating pump |
-
2008
- 2008-11-07 CN CNU2008201550329U patent/CN201310485Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101737355B (en) * | 2008-11-07 | 2012-01-11 | 华荣集团上海东耐管道有限公司 | Mechanical seal in IFB phenolic aldehyde glass fiber centrifugal pump |
| CN102889235A (en) * | 2012-10-25 | 2013-01-23 | 杭州新安江工业泵有限公司 | High-temperature resistance plastics centrifugal pump |
| CN102889235B (en) * | 2012-10-25 | 2015-11-18 | 杭州新安江工业泵有限公司 | A kind of high-temperature resistance plastice centrifugal pump |
| WO2016058454A1 (en) * | 2014-10-17 | 2016-04-21 | 邢宇 | Coolant or heating liquid circulation system of cantilever-type centrifugal pump |
| US10247200B2 (en) | 2014-10-17 | 2019-04-02 | Tianjin Crdt Fluid Control System Ltd. | Cooling or heating fluid circulation system of a cantilevered centrifugal pump |
| CN113357156A (en) * | 2021-07-19 | 2021-09-07 | 江苏维尔特泵业有限公司 | Novel inside and outside multilayer seal cooling hot water circulating pump |
| CN113357156B (en) * | 2021-07-19 | 2024-04-12 | 江苏维尔特泵业有限公司 | Inside and outside multilayer sealed cooling hot water circulating pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20141107 |
|
| EXPY | Termination of patent right or utility model |