CN208966713U - A kind of bearing self-cooling structure of heat-exchanger pump - Google Patents
A kind of bearing self-cooling structure of heat-exchanger pump Download PDFInfo
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- CN208966713U CN208966713U CN201821140385.1U CN201821140385U CN208966713U CN 208966713 U CN208966713 U CN 208966713U CN 201821140385 U CN201821140385 U CN 201821140385U CN 208966713 U CN208966713 U CN 208966713U
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- cooler
- cooling
- pump
- spiral coil
- heat
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Abstract
The utility model relates to a kind of bearing self-cooling structures of heat-exchanger pump, including labyrinth channel structure and snakelike cooling structure, labyrinth channel structure includes cooler inlet, outlet, gland, partition and pedestal, and snakelike cooling structure includes spiral coil cooling tube import, outlet and spiral coil cooling tube；After high-temperature medium flows into cooler, it is cooled to through labyrinth channel, cooling fin close to after room temperature, it is introduced into bearing housing thin oil in spiral coil cooling tube, heat exchange is carried out by spiral coil cooling tube and bearing housing thin oil, reduce bearing housing thin oil temperature, the final medium returns to pump inlet by the return port of pump inlet, is pumped again by impeller.Advantage: 1) using the high-temperature medium of itself conveying after cooling pump main shaft support bearing is cooled down, does not need external cooling water, there is no cut off the water supply to burn bearing in pump situation suddenly.2) it solves the problems, such as that live no-cooling-water cannot use heat-exchanger pump, facilitates user, energy saving, without any pollution, and structure is reliable, simple.
Description
Technical field
The utility model is a kind of bearing self-cooling structure of heat-exchanger pump, belongs to hot water pump bearing cooling and lubricating technology neck
Domain.
Background technique
In the row such as metallurgy, electric power, light textile, petroleum, chemical industry, chemical fertilizer, pharmacy, papermaking, environmental protection, rubber, heating, UTILIZATION OF VESIDUAL HEAT IN
In industry, the heat-exchanger pump of conveying thermal medium can be all used.What it is due to heat-exchanger pump conveying is high-temperature medium, and medium temperature is typically in
(120 ~ 150) DEG C, high-temperature medium transfers heat to pumping system in pumping procedure, can cause to pump bulk temperature raising, in this way
Also the change for having led to pumping each component working environment, affects to the safe operation of pump, especially to the axle envelope of pump
It is affected with the reliability service of bearing.It pumps main shaft support bearing and uses metal roller bearing, the work of common metal roller bearing
Make environment temperature highest not above 75 DEG C.Thus, for conveying the heat-exchanger pump of high-temperature medium, in order to guarantee that pump operation is reliable
Property, it is necessary to pump main shaft support bearing is cooled down, usual measure is using the pressure type of cooling, and which is exactly external cold
But water cools down the thin oil in bearing housing, and the thin oil heat in bearing housing is taken away by cooling water, reduces in bearing housing
The temperature of thin oil, to guarantee that bearing runs working environment, this forces the type of cooling to need a large amount of cooling waters, and cooling water is generally adopted
With tap water, the cooling water moment can not stop, and one stops that bearing will be burnt, and influence hot water pump operation, meanwhile, there is also do not save
Can, waste of energy problem；On the other hand, there are in fact no-cooling-water phenomenon in many use sites, lead to not using
Heat-exchanger pump, no matter which kind of situation, all great inconvenience is brought using heat-exchanger pump to user, for this reason, it may be necessary to heat-exchanger pump
The further technological improvement of the bearing type of cooling and upgrading, to reach the needs for meeting engineering and user.
Utility model content
The utility model proposes a kind of bearing self-cooling structures of heat-exchanger pump, and its object is in the prior art
The deficiency that heat-exchanger pump forces type of cooling bring that cannot cut off the water with waste of energy etc. using external cooling water, and scene
No-cooling-water cannot use the defects of heat-exchanger pump, be designed by structure, and the pressure type of cooling for improving existing heat-exchanger pump is certainly
The type of cooling is cooled down and is lubricated to pump main shaft support after cooling using the medium of conveying, proposed one kind and do not need outside
The bearing self-cooling structure of heat-exchanger pump and the heat-exchanger pump of high-efficiency energy-saving pollution-free can be used by connecing cooling water.
The technical solution of the utility model: a kind of bearing self-cooling structure of heat-exchanger pump, including labyrinth channel structure
With snakelike cooling structure, wherein the labyrinth channel structure includes that cooler inlet 7, cooler gland 8, several labyrinths are logical
Road A partition 9, cooler outlet 11, cooler pedestal 14 and several labyrinth channels B partition 16, cooler inlet 7, cooler
Outlet 11 and several labyrinth channels A partition 9 are respectively welded on cooler gland 8, several labyrinth channels B partition 16 welds
In cooler pedestal 14, cooler gland 8 and cooler pedestal 14 pass through gasket by bolt 6, the fixed locking of nut 5
12 keep sealing；The snakelike cooling structure includes spiral coil cooling tube import 19, spiral coil cooling tube outlet 21 and spiral coil cooling tube
20；Cooler inlet 7 is connect by high-temperature conduit 3 with pumped (conveying) medium outlet 2, pumped (conveying) medium outlet 2 and hot water pump discharge 1
It communicates, cooler outlet 11 is connect by cooling water pipe 13 with spiral coil cooling tube import 19, and spiral coil cooling tube outlet 21 passes through heat
Water pipe 22 is connect with pump inlet 25；The pump spring bearing 17 and spiral coil cooling tube 20 of heat-exchanger pump are placed in bearing housing thin oil 18.
The utility model has the beneficial effects that
1) pump main shaft support bearing is cooled down after cooling using the high-temperature medium of itself conveying, is not needed external cold
But water, there is no cut off the water supply to burn bearing in pump situation suddenly.
2) it solves the problems, such as that live no-cooling-water cannot use heat-exchanger pump, facilitates user, it is energy saving, without any dirt
Dye, and structure is reliable, simple.
Detailed description of the invention
Attached drawing 1 is the longitudinal section structural drawing of the bearing self-cooling structure of heat-exchanger pump.
Attached drawing 2 is M-M cross-sectional view of the bearing self-cooling structure longitudinal section structural drawing of heat-exchanger pump.
1 it is hot water pump discharge in figure, 2 be pumped (conveying) medium outlet, 3 be high-temperature conduit, 4 be valve, 5 be nut, 6 is spiral shell
Bolt, 7 be cooler inlet, 8 be cooler gland, 9 be labyrinth channel A partition, 10 be labyrinth channel, 11 be cooler outlet,
12 it is gasket, 13 be cooling water pipe, 14 be cooler pedestal, 15 be cooler cooling fin, 16 is labyrinth channel B partition, 17
It is pump spring bearing, 18 be bearing housing thin oil, 19 be spiral coil cooling tube import, 20 be spiral coil cooling tube, 21 is spiral coil cooling tube
Outlet, 22 be hot-water line, 23 be impeller, 24 be pump inlet pipe refluxing opening, 25 be pump inlet.
Specific embodiment
A kind of bearing self-cooling structure of heat-exchanger pump, including labyrinth channel structure and snakelike cooling structure, wherein the fan
Palace channel design includes cooler inlet 7, cooler gland 8, several labyrinth channels A partition 9, cooler outlet 11, cooling
Device pedestal 14 and several labyrinth channels B partition 16, cooler inlet 7, cooler outlet 11 and several labyrinth channels A partition
9 are respectively welded on cooler gland 8, several labyrinth channels B partition 16 is welded in cooler pedestal 14, cooler gland
8 fix locking by bolt 6, nut 5 with cooler pedestal 14, keep sealing by gasket 12；The snakelike cooling structure
Including spiral coil cooling tube import 19, spiral coil cooling tube outlet 21 and spiral coil cooling tube 20；Cooler inlet 7 passes through high-temperature conduit 3
It is connect with pumped (conveying) medium outlet 2, pumped (conveying) medium outlet 2 is communicated with hot water pump discharge 1, and cooler outlet 11 passes through cooling water
Pipe 13 is connect with spiral coil cooling tube import 19, and spiral coil cooling tube outlet 21 is connect by hot-water line 22 with pump inlet 25；Heat-exchanger pump
Pump spring bearing 17 and spiral coil cooling tube 20 be placed in bearing housing thin oil 18.
In the labyrinth channel structure, 16 interlaced arrangement of several labyrinth channel A partitions 9 and labyrinth channel B partition.
It further include several pieces of cooler cooling fins 15 in the labyrinth channel structure, the cooler cooling fin 15 is welded on
14 outer surface of cooler pedestal.
It further include pump inlet pipe refluxing opening 24 in the snakelike cooling structure, pump inlet pipe refluxing opening 24 is set to pump inlet
At 25, spiral coil cooling tube outlet 21 is connect by hot-water line 22, pump inlet pipe refluxing opening 24 with pump inlet 25.
Control valve 4 is provided on high-temperature conduit 3, cooler inlet 7 passes through high-temperature conduit 3, control valve 4 and conveying
Medium outlet 2 connects, and the flow for entering labyrinth channel 10 is adjusted by valve 4.
Its working method includes the following steps:
1) high-temp liquid medium is pumped by the impeller 23 of rotation, is flowed out from pumped (conveying) medium outlet 2, is passed through high-temperature conduit
3 flow into cooler inlet 7, into labyrinth channel 10；
2) high-temp liquid medium flows to cooler outlet 11 in tortuous labyrinth channel 10, and labyrinth channel 10 is by heat
The cooler cooling fin 15 being arranged in 14 outside surrounding of cooler pedestal is passed to, is dissipated outward by cooler cooling fin 15
Heat, to reduce the temperature of high-temp liquid medium；
3) liquid medium flowed out from cooler outlet 11 introduces spiral coil cooling tube import 19 by cooling water pipe 13, into
Enter in spiral coil cooling tube 20, cold medium and 18 thermal medium of bearing housing thin oil carry out heat exchange in spiral coil cooling tube 20, cause snakelike
Medium temperature increases in cooling tube 20, meanwhile, 18 temperature of bearing housing thin oil is reduced, guarantees pump 17 building ring of main shaft support bearing
Border；
4) the raised medium of temperature is entered in pump inlet 25 by hot-water line 22 in step 3), is taken out again by impeller 23
It send, repeats step 1).
Technical solutions of the utility model are further illustrated with reference to the accompanying drawing
As shown in attached drawing 1,2,
A kind of bearing self-cooling structure of heat-exchanger pump, structure are cooler inlet 7, cooler outlet 11 and labyrinth channel
A partition 9 is respectively welded on cooler gland 8, and labyrinth channel B partition 16 is welded in cooler pedestal 14, cooler heat dissipation
Piece 15 is welded on 14 outside of cooler pedestal, and cooler gland 8 is placed on cooler pedestal 14 across gasket 12, and is passed through
The fixed locking of bolt 6, nut 5, by cooler gland 8, labyrinth channel A partition 9, labyrinth channel B partition 16 and cooler pedestal
14 form labyrinth channel 10, and pumped (conveying) medium outlet 2 is communicated with hot water pump discharge 1, and pumped (conveying) medium outlet 2 passes through high-temperature conduit
3, valve 4 is communicated with cooler inlet 7, and pump main shaft support bearing 17 is placed in lubrication thin oil 18, and spiral coil cooling tube 20 is placed on
In bearing housing thin oil 18, cooler outlet 11 is communicated by cooling water pipe 13 with spiral coil cooling tube import 19, and spiral coil cooling tube goes out
Mouth 21 is communicated by hot-water line 22, pump inlet pipe refluxing opening 24 with pump inlet 25.In this way, foring complete heat-exchanger pump main shaft branch
Bearing is supportted from cooling system.
When work, the impeller 23 of rotation pumps high-temp liquid medium, and the liquid medium work done conveyed by 23 Duis of impeller is high
Geothermal liquid medium obtains energy from impeller 23, in this way, exporting the high-temp liquid medium tool for flowing to heat-exchanger pump outlet 1 from impeller 23
There are higher pressure energy and kinetic energy, under the action of the pressure energy, high-temp liquid medium is flowed out from pumped (conveying) medium outlet 2, passes through height
Warm water tube 3, valve 4 flow into cooler inlet 7, into labyrinth channel 10, are adjusted as needed by valve 4 and enter labyrinth channel
10 flow, labyrinth channel 10 be it is tortuous, high-temp liquid medium glide path in labyrinth channel 10 is longer, flowing is slower,
Longer glide path and slower flowing are conducive to transmit heat outward, in this way, labyrinth channel 10 transfers heat to rapidly
It is arranged on the cooler cooling fin 15 in 14 outside surrounding of cooler pedestal, is efficiently dissipated outward by cooler cooling fin 15
Heat, therefore, high-temp liquid medium gradually decrease temperature in flow process in labyrinth channel 10, until when cooler outlet 11,
The temperature of high-temp liquid medium has cooled to close to room temperature, is fully able to meet the cooling requirement of pump main shaft support bearing, rotation
Pump spring bearing 17 generate heat absorbed by bearing housing thin oil 18, cause 18 temperature of bearing housing thin oil increase, snakelike cooling
Pipe 20 is placed in bearing housing thin oil 18, and the liquid medium flowed out from cooler outlet 11 is introduced into snakelike by cooling water pipe 13
Cooling tube import 19 enters in spiral coil cooling tube 20, in spiral coil cooling tube 20 cold medium and 18 thermal medium of bearing housing thin oil into
Row heat exchange causes medium temperature in spiral coil cooling tube 20 to increase, meanwhile, 18 temperature of bearing housing thin oil is reduced, guarantees pump main shaft
17 working environment of spring bearing, the raised medium of this temperature enter pump inlet by hot-water line 22, pump inlet pipe refluxing opening 24
In 25, pumped again by impeller 23.So far, it completes to draw high-temp liquid Jie from the pumped (conveying) medium outlet 2 on hot water pump discharge 1
Matter carries out heat exchange by spiral coil cooling tube 20 and bearing housing thin oil 18, finally after labyrinth channel 10, cooling fin 15 are cooling
Return in pump inlet 25, by impeller 23 pump from cooling cycle, this process successively carries out, and remains pump
17 working environment of main shaft support bearing, entire circulation are entirely closing, to the external world without any pollution, and energy conservation.
Claims (5)
1. the bearing self-cooling structure of a kind of heat-exchanger pump, it is characterized in that including labyrinth channel structure and snakelike cooling structure, wherein
The labyrinth channel structure includes cooler inlet (7), cooler gland (8), several labyrinth channels A partition (9), cooler
Export (11), cooler pedestal (14) and several labyrinth channels B partition (16), cooler inlet (7), cooler outlet (11)
It is respectively welded on cooler gland (8) with several labyrinth channels A partition (9), several labyrinth channels B partition (16) welding
In cooler pedestal (14), cooler gland (8) and cooler pedestal (14) are fixed by bolt (6), nut (5) and are locked,
It keeps sealing by gasket (12)；The snakelike cooling structure includes spiral coil cooling tube import (19), spiral coil cooling tube outlet
(21) and spiral coil cooling tube (20)；Cooler inlet (7) is connect by high-temperature conduit (3) with pumped (conveying) medium outlet (2), is conveyed
Medium outlet (2) is communicated with hot water pump discharge (1), cooler outlet (11) by cooling water pipe (13) and spiral coil cooling tube into
Mouth (19) connection, spiral coil cooling tube outlet (21) are connect by hot-water line (22) with pump inlet (25)；Pump spring bearing (17) and
Spiral coil cooling tube (20) is placed in bearing housing thin oil (18).
2. a kind of bearing self-cooling structure of heat-exchanger pump according to claim 1, it is characterised in that the labyrinth channel knot
In structure, several labyrinth channel A partitions (9) and labyrinth channel B partition (16) interlaced arrangement.
3. a kind of bearing self-cooling structure of heat-exchanger pump according to claim 1, it is characterised in that the labyrinth channel knot
It further include several pieces of cooler cooling fins (15) in structure, the cooler cooling fin (15) is welded on cooler pedestal (14) appearance
Face.
4. a kind of bearing self-cooling structure of heat-exchanger pump according to claim 1, it is characterised in that the snakelike cooling knot
It further include pump inlet pipe refluxing opening (24) in structure, pump inlet pipe refluxing opening (24) is set at pump inlet (25), and spiral coil cooling tube goes out
Mouth (21) is connect by hot-water line (22), pump inlet pipe refluxing opening (24) with pump inlet (25).
5. a kind of bearing self-cooling structure of heat-exchanger pump according to claim 1, it is characterised in that on high-temperature conduit (3)
It is provided with control valve (4), cooler inlet (7) passes through high-temperature conduit (3), control valve (4) and pumped (conveying) medium outlet (2)
Connection is adjusted the flow for entering labyrinth channel (10) by valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821140385.1U CN208966713U (en) | 2018-07-18 | 2018-07-18 | A kind of bearing self-cooling structure of heat-exchanger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821140385.1U CN208966713U (en) | 2018-07-18 | 2018-07-18 | A kind of bearing self-cooling structure of heat-exchanger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966713U true CN208966713U (en) | 2019-06-11 |
Family
ID=66748783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821140385.1U Expired - Fee Related CN208966713U (en) | 2018-07-18 | 2018-07-18 | A kind of bearing self-cooling structure of heat-exchanger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930670A (en) * | 2018-07-18 | 2018-12-04 | 江苏长凯机械设备有限公司 | A kind of bearing self-cooling structure of heat-exchanger pump |
-
2018
- 2018-07-18 CN CN201821140385.1U patent/CN208966713U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930670A (en) * | 2018-07-18 | 2018-12-04 | 江苏长凯机械设备有限公司 | A kind of bearing self-cooling structure of heat-exchanger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20210718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |