CN205503482U - Automatic fuel feeding cooling and lubrication device of pump mechanical seal under major axis liquid - Google Patents
Automatic fuel feeding cooling and lubrication device of pump mechanical seal under major axis liquid Download PDFInfo
- Publication number
- CN205503482U CN205503482U CN201620072850.7U CN201620072850U CN205503482U CN 205503482 U CN205503482 U CN 205503482U CN 201620072850 U CN201620072850 U CN 201620072850U CN 205503482 U CN205503482 U CN 205503482U
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- China
- Prior art keywords
- oil
- mechanical seal
- pump
- fuel tank
- long shaft
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- Expired - Fee Related
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Abstract
The utility model relates to an automatic fuel feeding cooling and lubrication device of pump mechanical seal under major axis liquid, its structure is that the mechanical seal gland is installed on the connecting pipe, mechanical seal cover is under on the main shaft, and install in mechanical sealing seat and mechanical seal gland, the oil tank is fixed on installing the floor, the gland is fixed on the oil tank, be equipped with digital thermometer above the gland and add the oil cup, oil pointer is equipped with to the side of the oil tank, oil tank internally mounted has filter screen and spiral coil cooling tube, the intercommunication has the oil pipe of notes and returns oil pipe between the pump mechanical seal grease chamber under oil tank and major axis liquid, valve and oil pump be equipped with on annotating oil pipe. The advantage: simple structure, the dependable performance, the result of use is obvious, and is safe to studying, reliable, long -life major axis submerged pump is significant.
Description
Technical field
The utility model relates to a kind of long shaft submerged pump mechanical seal auto-supply cooling and lubricating device, belong to submerged pump technical field.
Background technology
The drive mechanisms such as long shaft submerged pump is to be immersed in the middle of transported medium by the flow passage components such as impeller, the pump housing, motor are positioned at the vertical pump of a kind of specific form above basis, in the pump series products that China uses, occupy sizable ratio.Having vertical installation compared with horizontal pump, floor space is few, it is possible to reduce pump house area, reduces capital construction cost, and the impeller of submerged pump is immersed in the medium of conveying, without pump priming during startup, it is possible to carry out the advantages such as centralized automatic control；There is compared with immersible pump the advantage of Electrical Safety；Compared with self priming pump, it is possible to using the degree of depth working condition more than 8 meters under liquid, therefore submerged pump is widely used in the industries such as metallurgy, petrochemical industry, power plant and environmental protection.
The power transmission shaft of long shaft submerged pump is to be combined by shaft coupling connection by many axles, and the supporting way of every axle has two kinds of patterns, one to be by metal roller bearings, and another kind is supported by nonmetal guide bearing.Using nonmetal guide bearing supporting way, operationally, need to provide the clean water of certain pressure to each guide bearing, cool down each guide bearing and lubricate, structure is more complicated, needs to clean water source；nullUse metal roller bearing support mode，Select is hermetically sealed metal roller bearing，Without external clean water，Need not clean water source，Easy to use，Liked by user，But pumped medium can not be entered in this mode bearing，Thus，Need to arrange mechanical seal on the main shaft envelope position in face after the impeller，To stop pumped medium to enter bearing bore，At present，Double End pattern is selected in the mechanical seal of general long shaft submerged pump，Mechanical seal intra-bladder instillation machinery oil，For mechanical seal cooling and lubricating，Owing to being limited by structure，Mechanical seal chamber does not allow sufficiently large，And mechanical seal chamber is immersed in pumped (conveying) medium for a long time，During work，The machinery oil that mechanical seal intracavity has is the most rotten，Cause it cannot be guaranteed that the working environment of mechanical seal，Make the mechanical seal life-span shorter，Mechanical seal once damages，Whole long shaft submerged pump also cannot work，This is the long shaft submerged pump life-span short main cause that current common form uses metal roller bearings.
The method in simple and effective raising long shaft submerged pump life-span, it is ensuring that the service life of mechanical seal, mechanical seal to be improved service life, need to ensure that mechanical seal has good working environment, this requires that the lubricating oil life-time service of mechanical seal intracavity never degenerates, by arranging mechanical seal auto-supply cooling and lubricating device, lubricating oil is introduced this device, lubricating oil is sufficiently filtered, removal of contamination, cooling, reduce temperature, reinject mechanical seal intracavity, thus ensure that the working environment of mechanical seal, improve the service life of mechanical seal, also the service life of long shaft submerged pump is improved.
Utility model content
The utility model proposes a kind of long shaft submerged pump mechanical seal auto-supply cooling and lubricating device, its purpose is intended to mechanical seal lubricating oil is filtered, cooled down, it is ensured that lubricating oil life-time service never degenerates.
Technical solution of the present utility model: long shaft submerged pump mechanical seal auto-supply cooling and lubricating device, its spy is to include long shaft submerged pump 1, the pump housing 3, impeller of pump 2；Wherein long shaft submerged pump 1 connects oil pump 20, oil pump 20 is contained on oil fuel tube 12, the two ends of oil fuel tube 12 connect the grease chamber's import 5 on mechanical sealing base 4 and fuel tank oil-out flange 19 respectively, and grease chamber on mechanical sealing base 4 outlet 8 and fuel tank oil-in flange 34 connect back to the two ends of oil pipe 13 respectively；Oil fuel tube and oil return pipe is connected between long shaft submerged pump 1 with mechanical seal grease chamber.
Impeller of pump 2 is enclosed within lower main axis 11, mechanical seal cover 9 is arranged in connecting tube 10, fuel tank oil-in flange 34 and rectangle draw-in groove 17, drain line 15, fuel tank oil-out flange 19 is located on fuel tank 21, the side of fuel tank 21 is equipped with oil ga(u)ge 24, spiral coil cooling tube 26 is had in fuel tank 21, fuel tank 21 fixes cooling tube water return outlet 31 by bolt 28, cooling tube water return outlet 31 connects with cooling tube water inlet 30, gland 27 is had on cooling tube water inlet 30, equipped with digital thermometer 29 and oiling cup 33 on gland 27, drainage screen 22 is stuck in the rectangle draw-in groove 17 on fuel tank 21 through gland 27, drainage screen 22 is provided with filtering holes 23, equipped with drain line valve 14 on drain line 15.
The pump housing 3 is connected with mechanical sealing base 4, and mechanical sealing base 4 and mechanical seal cover 9 are enclosed within lower main axis 11 built with mechanical seal 7, mechanical seal 7.
During work, oil pump 20 will suck lubricating oil 32 in fuel tank 21, in grease chamber 6, lubricating oil 32 is noted again by oil fuel tube 12 and mechanical sealing base 4 upper chamber import 5, mechanical seal 7 is cooled down and lubricates, simultaneously, lubricating oil 32 is the most contaminated, 8 are exported by mechanical sealing base 4 upper chamber, oil return pipe 13 and fuel tank oil-in flange 34 enter in fuel tank 21, by filtration and the cooling of spiral coil cooling tube 26 of drainage screen 22, the lubricating oil 32 polluted has become totally, by oil pump 20, clean lubricating oil 32 is passed through oil fuel tube 12 and mechanical sealing base 4 upper chamber import 5 in grease chamber 6 again, mechanical seal 7 is cooled down and lubricates, so circulation, thus ensure the working environment of mechanical seal 7.
Advantage of the present utility model: automatically guide to the lubricating oil of long shaft submerged pump mechanical seal intracavity, in special fuel feeding cooling and lubricating device, filter lubricating oil, cool down, technical feasibility, simple and reliable for structure, cost is relatively low, environment friendly and pollution-free.
Accompanying drawing explanation
Accompanying drawing 1 is long shaft submerged pump mechanical seal auto-supply cooling and lubricating device vertical section structural map.
Accompanying drawing 2 is the enlarged drawing of a-quadrant.
nullIn figure 1 is long shaft submerged pump、2 is impeller of pump、3 is the pump housing、4 is mechanical sealing base、5 is grease chamber's import、6 is grease chamber、7 is mechanical seal、8 is grease chamber's outlet、9 is mechanical seal cover、10 is connecting tube、11 is lower main axis、12 is oil fuel tube、13 is oil return pipe、14 is drain line valve、15 is drain line、16 is to install floor、17 is rectangle draw-in groove、18 is oil fuel tube valve、19 is fuel tank oil-out flange、20 is oil pump、21 is fuel tank、22 is drainage screen、23 is filtering holes、24 is oil ga(u)ge、25 is fuel tank heat radiation gusset、26 is spiral coil cooling tube、27 is gland、28 is bolt、29 is digital thermometer、30 is cooling tube water inlet、31 is cooling tube water return outlet、32 is lubricating oil、33 is oiling cup、34 is fuel tank oil-in flange.
Detailed description of the invention
nullComparison accompanying drawing，A kind of long shaft submerged pump mechanical seal auto-supply cooling and lubricating device，Its structure includes long shaft submerged pump 1、Impeller of pump 2、The pump housing 3、Connecting tube 10、Mechanical seal cover 9 is arranged in connecting tube 10，Mechanical seal 7 is enclosed within lower main axis 11，And be arranged in mechanical sealing base 4 and mechanical seal cover 9，Impeller of pump 2 is enclosed within lower main axis 11，The pump housing 3 is connected with mechanical sealing base 4，Fuel tank 21 is fixed on installation floor 16，Fuel tank 21 is arranged above with rectangle draw-in groove 17、Drain line 15、Fuel tank oil-out flange 19 and fuel tank oil-in flange 34，In the side of fuel tank 21 equipped with oil ga(u)ge 24、Spiral coil cooling tube 26 is placed in fuel tank 21，Gland 27 is through cooling tube water inlet 30 and cooling tube water return outlet 31,Fixed with fuel tank 21 by bolt 28，Equipped with digital thermometer 29 and oiling cup 33 on gland 27，Drainage screen 22 is stuck in the rectangle draw-in groove 17 on fuel tank 21 through gland 27，Drainage screen 22 is provided with filtering holes 23、Equipped with drain line valve 14 on drain line 15，Equipped with oil fuel tube valve 18 and oil pump 20 on oil fuel tube 12，The two ends of oil fuel tube 12 respectively be connected mechanical sealing base 4 upper chamber import 5 and fuel tank oil-out flange 19，The two ends of oil return pipe 13 are connected with mechanical sealing base 4 upper chamber outlet 8 and fuel tank oil-in flange 34 respectively.
nullDuring work，In fuel tank 21, lubricating oil 32 is injected in advance by oiling cup 33，And open oil fuel tube valve 18，It is energized to long shaft submerged pump 1 and oil pump 20，While long shaft submerged pump 1 work, oil pump 20 also works，Oil pump 20 work will suck lubricating oil 32 in fuel tank 21，In grease chamber 6, lubricating oil 32 is noted again by oil fuel tube 12 and mechanical sealing base 4 upper chamber import 5，Improve the pressure in grease chamber 6，Mechanical seal 7 is cooled down and lubricates by lubricating oil 32 simultaneously，High through lubricating oil 32 temperature of this process，Impurity after simultaneously wearing and tearing possibly together with mechanical seal 7，Lubricating oil 32 is contaminated，The lubricating oil 32 polluted is in grease chamber 6 under the effect of pressure，8 are exported by mechanical sealing base 4 upper chamber、Oil return pipe 13 and fuel tank oil-in flange 34 enter in fuel tank 21，The lubricating oil 32 polluted is through the filtration of drainage screen 22 and the cooling of spiral coil cooling tube 26，When arriving fuel tank oil-out flange 19，The lubricating oil 32 polluted has become totally，By oil pump 20, clean lubricating oil 32 is passed through oil fuel tube 12 and mechanical sealing base 4 upper chamber import 5 in grease chamber 6 again，Mechanical seal 7 is cooled down and lubricates，So circulation，Thus ensure the working environment of mechanical seal 7，It is greatly improved the service life of mechanical seal 7.
Said method is simple, convenient, and reliable, and effect is obvious, can be greatly prolonged the service life of long shaft submerged pump, and environment friendly and pollution-free.
Claims (4)
1. long shaft submerged pump mechanical seal auto-supply cooling and lubricating device, is characterized in that including long shaft submerged pump, the pump housing, impeller of pump；Wherein long shaft submerged pump 1 connects oil pump, and oil pump is contained on oil fuel tube, and the two ends of oil fuel tube connect the grease chamber's import on mechanical sealing base and fuel tank oil-out flange respectively, and the grease chamber's outlet on mechanical sealing base and fuel tank oil-in flange connect back to the two ends of oil pipe respectively；Oil fuel tube and oil return pipe is connected between long shaft submerged pump with mechanical seal grease chamber；
Impeller of pump is enclosed within lower main axis, mechanical seal cover is arranged in connecting tube, fuel tank oil-in flange and rectangle draw-in groove, drain line, fuel tank oil-out flange are located on fuel tank, the side of fuel tank is equipped with oil ga(u)ge, spiral coil cooling tube is had in fuel tank, fuel tank is bolted cooling tube water return outlet, cooling tube water return outlet connects with cooling tube water inlet, gland is had on cooling tube water inlet, equipped with digital thermometer and oiling cup on gland, drainage screen passes in the rectangle draw-in groove that gland is stuck on fuel tank, and drainage screen is provided with filtering holes, equipped with drain line valve on drain line；
The pump housing is connected with mechanical sealing base, and mechanical sealing base and mechanical seal cover are enclosed within lower main axis built with mechanical seal, mechanical seal.
Long shaft submerged pump mechanical seal auto-supply cooling and lubricating device the most according to claim 1, is characterized in that described fuel tank is arranged on floor.
Long shaft submerged pump mechanical seal auto-supply cooling and lubricating device the most according to claim 1, is characterized in that being provided with on described oil fuel tube and oil pump and oil fuel tube valve.
Long shaft submerged pump mechanical seal auto-supply cooling and lubricating device the most according to claim 1, is characterized in that described fuel tank is built with spiral coil cooling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620072850.7U CN205503482U (en) | 2016-01-26 | 2016-01-26 | Automatic fuel feeding cooling and lubrication device of pump mechanical seal under major axis liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620072850.7U CN205503482U (en) | 2016-01-26 | 2016-01-26 | Automatic fuel feeding cooling and lubrication device of pump mechanical seal under major axis liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205503482U true CN205503482U (en) | 2016-08-24 |
Family
ID=56723466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620072850.7U Expired - Fee Related CN205503482U (en) | 2016-01-26 | 2016-01-26 | Automatic fuel feeding cooling and lubrication device of pump mechanical seal under major axis liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205503482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545761A (en) * | 2016-01-26 | 2016-05-04 | 江苏长凯机械设备有限公司 | Mechanical seal automatic oil supplying cooling lubricating device of long-shaft underwater pump |
-
2016
- 2016-01-26 CN CN201620072850.7U patent/CN205503482U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545761A (en) * | 2016-01-26 | 2016-05-04 | 江苏长凯机械设备有限公司 | Mechanical seal automatic oil supplying cooling lubricating device of long-shaft underwater pump |
| CN105545761B (en) * | 2016-01-26 | 2018-01-30 | 江苏长凯机械设备有限公司 | A kind of long shaft submerged pump mechanical seal auto-supply cooling and lubricating device |
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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: 20160824 Termination date: 20210126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |