CN208203646U - A kind of bearing cooler of air compressor machine - Google Patents
A kind of bearing cooler of air compressor machine Download PDFInfo
- Publication number
- CN208203646U CN208203646U CN201820511914.8U CN201820511914U CN208203646U CN 208203646 U CN208203646 U CN 208203646U CN 201820511914 U CN201820511914 U CN 201820511914U CN 208203646 U CN208203646 U CN 208203646U
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- China
- Prior art keywords
- oil
- pipe
- oil pipe
- cooler
- bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000446 fuel Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000005461 lubrication Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 abstract description 119
- 239000010687 lubricating oil Substances 0.000 abstract description 57
- 238000001816 cooling Methods 0.000 abstract description 22
- 239000002826 coolant Substances 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 11
- 239000012535 impurity Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Abstract
The utility model discloses a kind of bearing coolers of air compressor machine, belong to field of air compressor, solve the problems, such as that cooling device energy consumption is excessively high, its key points of the technical solution are that, including centrifugal compressor, the centrifugal compressor includes casing, impeller shaft and bearing, there is air inlet pipe and an air outlet pipe on the casing, the impeller shaft is rotationally connected on casing by bearing, oil inlet pipe and flowline are fixedly connected on the casing, described oil inlet pipe one end is connected with fuel reserve tank, the fuel reserve tank is provided with lubricating oil, oil pump is connected on the oil inlet pipe, described flowline one end is connected to fuel reserve tank, cooler is connected on the flowline, the utility model is structurally reasonable, lubricating oil and air is directly set to have carried out heat exchange using cooler, it does not need using cooling medium, from without providing kinetic energy for cooling medium, to reduce Energy consumption.
Description
Technical field
The utility model relates to a kind of air compressor machines, more specifically, it relates to a kind of bearing cooler of air compressor machine.
Background technique
Centrifugal compressor is a kind of blade rotary compressor.In centrifugal compressor, high-speed rotating impeller is given
The centrifugal force effect of gas is given, and gives the diffusion action of gas in diffusion channel, is improved gas pressure.But
So that bearing temperature is increased and is influenced its lubricity during centrifugal compressor high-speed rotation, and then influences centrifugal compressor
Performance can carry out cooling device to bearing in centrifugal compressor installation in order to solve this problem.
Currently, the Chinese utility model patent that notification number is CN202100532U discloses a kind of the outer of centrifugal compressor
Oil cooler, including cooler and evaporator are set, monoblock type oil cooler, institute are provided between the cooler and evaporator
It states and is provided with cooling medium supply and automatic adjustment component, the monoblock type oil cooler and compressor on monoblock type oil cooler
Fuel tank assembly is connected.Lubricating oil is cooled down using monoblock type oil cooler, effectively reduces the temperature of lubricating oil, benefit
The temperature of bearing is reduced with lubricating oil.
But it needs to need first to cool down cooling medium using cooler and evaporator and be situated between using cooling in above-mentioned technical proposal
Matter cutting oil, to increase energy consumption.
Utility model content
In view of the deficienciess of the prior art, the utility model lies in that provide a kind of bearing cooler of air compressor machine, benefit
So that lubricating oil and air has been carried out heat exchange with cooler, does not need using cooling medium, from without being mentioned for cooling medium
For kinetic energy, to reduce energy consumption.
To achieve the above object, the utility model provides following technical solution: a kind of bearing cooler of air compressor machine,
Including centrifugal compressor, the centrifugal compressor includes casing, impeller shaft and bearing, has air inlet pipe on the casing and goes out
Tracheae, the impeller shaft are rotationally connected on casing by bearing, and oil inlet pipe and flowline, institute are fixedly connected on the casing
State oil inlet pipe one end and be connected with fuel reserve tank, the fuel reserve tank is provided with lubricating oil, is connected with oil pump on the oil inlet pipe, it is described go out
Oil pipe one end is connected to fuel reserve tank, is connected with cooler on the flowline.
By using above-mentioned technical proposal, lubricating oil is entered in bearing by oil pump pressurization, using lubricating oil to bearing into
Row, which lubricates and carries out heat exchange with bearing, cools down to bearing with the heat on bearing running, then the raised lubrication of temperature
Oil enters cooler wherein, and lubricating oil carries out heat exchange in air, thus the temperature of reduced lubricating oil, last lubricating oil is returned to
In fuel reserve tank；So that lubricating oil and air has been carried out heat exchange using cooler, does not need using cooling medium, from without being
Cooling medium provides kinetic energy, to reduce energy consumption.
The utility model is further arranged to: the cooler includes frame oil pipe, vertical oil pipe and horizontal oil pipe, the vertical oil
Pipe and horizontal oil pipe in being arranged in length and breadth, and the vertical oil pipe and horizontal oil pipe both ends are fixedly connected with and are connected to frame oil pipe, institute
Frame oil pipe is stated to be connected on flowline.
By using above-mentioned technical proposal, the contact between lubricating oil and air is expanded using vertical oil pipe and horizontal oil pipe
Face further increases the cooling effect of lubricating oil to lubricating oil will be allow adequately to cool down.
The utility model is further arranged to: there are gap between the vertical oil pipe and horizontal oil pipe, the cooler is fixed
It is connected in air inlet pipe.
By using above-mentioned technical proposal, when centrifugal compressor compressed air, air enters a large amount of empty from air inlet pipe
Gas contacts lubricating oil with more air, to increase cooling effect；And air inlet pipe is negative pressure state, air
Entering negative pressure from normal pressure makes air generate expansion, so that temperature be made to reduce, and then further increases lubricating oil cooling effect.
The utility model is further arranged to: the frame oil pipe includes the first oil pipe and the second oil pipe, first oil
Pipe and the second oil pipe are the arc that radian has π, and first oil pipe and the second oil pipe coaxial are fixedly connected on air inlet inside pipe wall,
The vertical oil pipe and horizontal oil pipe one end are connected to the first oil pipe, the one end of the vertical oil pipe and horizontal oil pipe far from the first oil pipe and the
The connection of two oil pipes.
By using above-mentioned technical proposal, then lubricating oil, which enters, respectively enters vertical oil pipe and horizontal oil pipe in the first oil pipe
In, finally enter in the second oil pipe, make lubricating oil it is orderly through subcooler, cool down lubricating oil；And it can incite somebody to action
Cooler prevents biggish impurity from entering centrifugal compressor as filter screen.
The utility model is further arranged to: it is in be arranged in series that the cooler, which has multiple and cooler,.
By using above-mentioned technical proposal, repeatedly cooling is entered to lubricating oil, so that further lubricating oil is cooled down,
It is fully cooled lubricating oil.
The utility model is further arranged to: the flowline of the oil pump is connected with return pipe, the return pipe and oil storage
Case connection.
The lubricants capacity for lubricating bearing is less, to make oil pump be in the working condition of high pressure low discharge always, thus not
Conducive to working long hours for oil pump, and when oil pump is in this working condition for a long time, can generate heat that lubricating oil temperature can be made
Rise, and then influences the cooling effect to bearing of lubricating oil, it is increased logical using return pipe by using above-mentioned technical proposal
The flow of oil pump is crossed, so that oil pump be allow to work long hours, increases the service life of oil pump, and oil pump works long hours
After will not generate heat, will not influence the effect of lubricating oil cooling bearing.
The utility model is further arranged to: regulating valve is connected on the return pipe, between the regulating valve and oil pump
It is connected with pressure gauge.
The lubricating oil of reflux is avoided using the flow for adjusting the reflux of valve regulation return pipe by using above-mentioned technical proposal
Excessively lead to the lubrication shortage of oil into bearing.
The utility model is further arranged to: being connected with filtration core on the oil inlet pipe.
By using above-mentioned technical proposal, lubricating oil is filtered using filtration core, reduces the impurity in lubricating oil
Influence to bearing lubrication performance.
In conclusion the utility model has the following beneficial effects:
First, lubricating oil and air is directly made to carry out heat exchange using cooler, do not need using cooling medium, from not having to
Kinetic energy is provided for cooling medium, and then reduces energy consumption, and keeps cooling device structure simpler；
Second, the air of sucking cools down cooler when using centrifugal compressor compressed air, make lubricating oil can
To contact with more air, to increase cooling effect, and air inlet pipe is negative pressure state, air enters negative pressure from normal pressure
So that air is generated expansion, so that temperature be made to reduce, and then further increases lubricating oil cooling effect；
Third, increasing oil so that oil pump be allow to work long hours using the increased flow by oil pump of return pipe
The service life of pump, and oil pump work long hours after will not generate heat, will not influence the effect of lubricating oil cooling bearing.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment；
Fig. 2 is the structural schematic diagram that the present embodiment is used to show centrifugal compressor；
Fig. 3 is the attachment structure schematic diagram that the present embodiment is used to show cooling structure；
Fig. 4 is the structural schematic diagram that the present embodiment is used to show cooler；
Fig. 5 is the perspective view that the present embodiment is used to show cooler.
Appended drawing reference: 1, centrifugal compressor；11, casing；12, driving structure；13, impeller shaft；14, bearing；15, air inlet
Pipe；16, escape pipe；2, cooling structure；21, oil inlet pipe；23, flowline；24, oil pump；25, filtration core；26, fuel reserve tank；27, it returns
Flow tube；271, regulating valve；272, pressure gauge；3, cooler；31, frame oil pipe；311, the first oil pipe；312, the second oil pipe；32, it indulges
Oil pipe；33, horizontal oil pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
A kind of bearing cooler of air compressor machine, as depicted in figs. 1 and 2, including centrifugal compressor 1 and cooling structure 2,
Wherein including casing 11, impeller shaft 13, bearing 14 and driving structure 12(, this is the prior art to centrifugal compressor 1, is not made herein
Detailed description), impeller shaft 13 is rotationally connected on casing 11 by bearing 14, and driving structure 12 drives impeller shaft 13 to rotate.Machine
There are air inlet pipe 15 and escape pipe 16 on shell 11.There are two cooling structures 2 and is fixedly connected on centrifugal compressor 1, two
Cooling structure 2 respectively cools down the bearing 14 of centrifugal compressor 1.
As shown in figure 3, cooling structure 2 includes fuel reserve tank 26, oil inlet pipe 21, flowline 23, cooler 3 and oil pump 24.Its
Middle 21 one end of oil inlet pipe is connected to bearing 14, and the other end is connected to fuel reserve tank 26, and oil pump 24 is series on oil inlet pipe 21.Utilize oil
Pump 24 delivers into the lubricating oil in fuel reserve tank 26 in bearing 14, is lubricated using lubricating oil to bearing 14 and and bearing
14 progress heat exchanges cool down to bearing 14 with the heat on bearing running 14.23 one end of flowline is connected to bearing 14, separately
One end is connected to fuel reserve tank 26, and cooler 3 is series on flowline 23.The raised lubricating oil of temperature enters in cooler 3, lubrication
Oil carries out heat exchange in air, thus the temperature of reduced lubricating oil, last lubricating oil is returned in fuel reserve tank 26.In order to reduce profit
Influence of the impurity to 14 greasy property of bearing in lubricating oil, is in series with filtration core 25 on oil inlet pipe 21, and filtration core 25 is located at storage
Between fuel tank 26 and oil pump 24.
As shown in figure 3, the lubricants capacity dosage of bearing 14 is less, and the discharge capacity under 24 normal operating conditions of oil pump is larger,
To make oil pump 24 be in the working condition of high pressure low discharge always, to be unfavorable for working long hours for oil pump 24, and oil
Pumping can generate heat when 24 long-times are in this working condition to lubricating oil temperature being made to rise, so influence lubricating oil to axis
Hold 14 cooling effect.To solve the above-mentioned problems, connection is connected with return pipe 27 on oil inlet pipe 21, and one end of return pipe 27 connects
It is connected between bearing 14 and oil pump 24, the other end is connected to fuel reserve tank 26.It is connected with regulating valve 271 on return pipe 27, adjusts
Pressure gauge 272 is connected between valve 271 and oil pump 24.Using the increased flow by oil pump 24 of return pipe 27, to make oil
Pump 24 can work long hours, and increase the service life of oil pump 24, and oil pump 24 work long hours after will not generate heat, will not
Influence the effect of lubricating oil cooling bearing 14.The pressure of the lubricating oil of bearing 14 is delivered into using the indirect judgement of pressure gauge 272,
The flow that return pipe 27 flows back is adjusted using regulating valve 271, and then has indirectly controlled the amount into lubricating oil in bearing 14.
As shown in figure 4, cooler 3 includes frame oil pipe 31, vertical oil pipe 32 and horizontal oil pipe 33, frame oil pipe 31 includes first
Oil pipe 311 and the second oil pipe 312, the first oil pipe 311 and the second oil pipe 312 are that radian has an arc of π, the first oil pipe 311 and the
Two oil pipes 312 are fixedly and coaxially connected on 15 inner wall of air inlet pipe.Vertical oil pipe 32 and horizontal oil pipe 33 indulge oil pipe 32 in being arranged in length and breadth
Upper end and 33 left end of horizontal oil pipe are connected to and are fixedly connected with the first oil pipe 311, indulge 33 right end of lower end and horizontal oil pipe of oil pipe 32
It is connected to and is fixedly connected with the second oil pipe 312.Then lubricating oil, which enters, respectively enters vertical oil pipe 32 and cross in the first oil pipe 311
In oil pipe 33, finally enter in the second oil pipe 312, make lubricating oil it is orderly through subcooler 3, cool down lubricating oil；
And cooler 3 can be regard as filter screen, prevent biggish impurity from entering centrifugal compressor 1.
As shown in figure 5, each air inlet pipe 15(is referring to fig. 4) it is fixedly connected to two coolers 3, and same air inlet pipe
Two coolers 3 in 15 are in series connection, the first oil pipe of the second oil pipe 312 and another cooler 3 of one of cooler 3
311 connections.Repeatedly cooling is entered to lubricating oil using two coolers 3, to further cool down lubricating oil, makes to lubricate
Oil is fully cooled.
Specific working mode: starting oil pump 24 delivers into the lubricating oil in fuel reserve tank 26 out in oil inlet pipe 21, lubricates
Oil is come out the contaminant filter in lubricating oil by filtration core 25, and then lubricating oil enters in bearing 14, moistens to bearing 14
It slides and carries out heat exchange with bearing 14, using lubricating oil with the heat on bearing running 14.The raised lubricating oil of temperature enters cold
But in device 3, the swiftly flowing air of air inlet pipe 15 comes into full contact with vertical oil pipe 32 and horizontal oil pipe 33, carries out lubricating oil and air
Heat exchange reduces the temperature of lubricating oil, then in conveying meeting fuel reserve tank 26.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of bearing cooler of air compressor machine, including centrifugal compressor (1), the centrifugal compressor (1) includes machine
Shell (11), impeller shaft (13) and bearing (14) have air inlet pipe (15) and escape pipe (16), the impeller shaft on the casing (11)
(13) it is rotationally connected on casing (11) by bearing (14), it is characterized in that: being fixedly connected with oil inlet pipe on the casing (11)
(21) it is connected with fuel reserve tank (26) with flowline (23), described oil inlet pipe (21) one end, the fuel reserve tank (26) is provided with lubrication
Oil is connected with oil pump (24) on the oil inlet pipe (21), and described flowline (23) one end is connected to fuel reserve tank (26), described fuel-displaced
Cooler (3) are connected on pipe (23).
2. the bearing cooler of a kind of air compressor machine according to claim 1, it is characterized in that: the cooler (3) includes
Frame oil pipe (31), vertical oil pipe (32) and horizontal oil pipe (33), the vertical oil pipe (32) and horizontal oil pipe (33) are in be arranged in length and breadth, described
Vertical oil pipe (32) and horizontal oil pipe (33) both ends are fixedly connected with and are connected to frame oil pipe (31), the frame oil pipe (31)
It is connected on flowline (23).
3. the bearing cooler of a kind of air compressor machine according to claim 2, it is characterized in that: the vertical oil pipe (32) and cross
There are gap between oil pipe (33), the cooler (3) is fixedly connected in air inlet pipe (15).
4. the bearing cooler of a kind of air compressor machine according to claim 3, it is characterized in that: the frame oil pipe (31) wraps
The first oil pipe (311) and the second oil pipe (312) are included, first oil pipe (311) and the second oil pipe (312) are the arc that radian has π
Shape, first oil pipe (311) and the second oil pipe (312) are fixedly and coaxially connected on air inlet pipe (15) inner wall, the vertical oil pipe
(32) it is connected to horizontal oil pipe (33) one end with the first oil pipe (311), the vertical oil pipe (32) and horizontal oil pipe (33) are far from the first oil
One end of pipe (311) is connected to the second oil pipe (312).
5. a kind of bearing cooler of air compressor machine according to claim 4, it is characterized in that: the cooler (3) have it is more
A and cooler (3) is in be arranged in series.
6. the bearing cooler of a kind of air compressor machine according to claim 5, it is characterized in that: the oil pump (24) is fuel-displaced
Pipe (23) is connected with return pipe (27), and the return pipe (27) is connected to fuel reserve tank (26).
7. the bearing cooler of a kind of air compressor machine according to claim 6, it is characterized in that: connecting on the return pipe (27)
It is connected to regulating valve (271), is connected with pressure gauge (272) between the regulating valve (271) and oil pump (24).
8. the bearing cooler of a kind of air compressor machine according to claim 7, it is characterized in that: connecting on the oil inlet pipe (21)
It is connected to filtration core (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511914.8U CN208203646U (en) | 2018-04-11 | 2018-04-11 | A kind of bearing cooler of air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511914.8U CN208203646U (en) | 2018-04-11 | 2018-04-11 | A kind of bearing cooler of air compressor machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203646U true CN208203646U (en) | 2018-12-07 |
Family
ID=64523678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820511914.8U Expired - Fee Related CN208203646U (en) | 2018-04-11 | 2018-04-11 | A kind of bearing cooler of air compressor machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208203646U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118175A (en) * | 2019-06-06 | 2019-08-13 | 苏州英华特涡旋技术有限公司 | A kind of oil cooled screw compressor of band |
| CN112324680A (en) * | 2020-11-05 | 2021-02-05 | 湖南常通压缩机有限公司 | Centrifugal compressor with oil adding device |
| CN112343835A (en) * | 2020-11-05 | 2021-02-09 | 钛灵特压缩机无锡有限公司 | Large-traffic two centrifugal air compressor that admit air |
| CN117386670A (en) * | 2023-12-13 | 2024-01-12 | 欧司特动力技术(江苏)有限公司 | Air compressor cooling system and cooling structure of air compressor rotating shaft |
-
2018
- 2018-04-11 CN CN201820511914.8U patent/CN208203646U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118175A (en) * | 2019-06-06 | 2019-08-13 | 苏州英华特涡旋技术有限公司 | A kind of oil cooled screw compressor of band |
| CN112324680A (en) * | 2020-11-05 | 2021-02-05 | 湖南常通压缩机有限公司 | Centrifugal compressor with oil adding device |
| CN112343835A (en) * | 2020-11-05 | 2021-02-09 | 钛灵特压缩机无锡有限公司 | Large-traffic two centrifugal air compressor that admit air |
| CN117386670A (en) * | 2023-12-13 | 2024-01-12 | 欧司特动力技术(江苏)有限公司 | Air compressor cooling system and cooling structure of air compressor rotating shaft |
| CN117386670B (en) * | 2023-12-13 | 2024-03-26 | 欧司特动力技术(江苏)有限公司 | Air compressor cooling system and cooling structure of air compressor rotating shaft |
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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: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |