CN209745060U - Refrigerating machine oil cooler - Google Patents
Refrigerating machine oil cooler Download PDFInfo
- Publication number
- CN209745060U CN209745060U CN201920451538.2U CN201920451538U CN209745060U CN 209745060 U CN209745060 U CN 209745060U CN 201920451538 U CN201920451538 U CN 201920451538U CN 209745060 U CN209745060 U CN 209745060U
- Authority
- CN
- China
- Prior art keywords
- oil
- liquid fluorine
- shell
- fluorine
- oil cooler
- Prior art date
- 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
Links
- 239000010721 machine oil Substances 0.000 title claims abstract description 15
- 239000003921 oil Substances 0.000 claims abstract description 84
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 58
- 239000011737 fluorine Substances 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 10
- 239000003507 refrigerant Substances 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 238000007667 floating Methods 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910003336 CuNi Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000005057 refrigeration Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010726 refrigerant oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
A refrigerating machine oil cooler is used for reducing heat generated by refrigerating machine oil due to compression heat release of a refrigerant in the compression process of a compressor and is characterized by comprising a shell, wherein a heat exchange tube for heat exchange is arranged in the shell, an oil way is arranged in the shell, an oil inlet is also formed in the side surface of one end of the shell, an oil outlet is formed in the side surface of the other end of the shell, and heat-exchanged oil enters from the oil inlet and flows out of the oil outlet through the heat exchange tube; the inside of casing still is equipped with the cooling line that is used for liquid fluorine to pass through, the cooling line includes liquid fluorine entry and liquid fluorine export, liquid fluorine entry and liquid fluorine export are located respectively the both ends of oil cooler, the external source liquid fluorine of liquid fluorine entry, liquid fluorine export connection liquid fluorine recovery vessel. The utility model discloses utilize fluorine cooling to replace water cooling, cause corruption, perforation, jam scheduling problem easily among the solution prior art well circulating water cooling.
Description
Technical Field
The utility model relates to the field of refrigeration technology, concretely relates to refrigerator oil cooler.
Background
The refrigerator is a mechanical device for achieving low-temperature refrigeration by changing pressure change of refrigerant gas through a compressor. The compressor used is different from the common air compressor due to the different use conditions and the different compressed working media. According to the difference of the structure and the working principle of the refrigerator, the refrigerator is similar to an air compressor and can be divided into a piston type, a screw type, a centrifugal type and other different forms. Freezers are one of the most important components of compression refrigeration equipment.
The water-cooled refrigeration device has better water-cooled refrigeration effect, needs cooling water, is flexible and convenient in air-cooled mode, does not need cooling water, and is suitable for water-deficient areas or occasions needing to be moved. The working medium of the refrigerator is the refrigerant which is used for transferring heat in the refrigerating system, and the common refrigerants are as follows: freon, ammonia, lithium bromide, methyl chloride, and the like.
An oil cooler is an oil cooling apparatus commonly used in hydraulic systems and lubrication systems. The device can realize heat exchange between two fluid media with certain temperature difference, thereby achieving the purposes of reducing the oil temperature and ensuring the normal operation of the system. The oil cooler can be divided into an air-cooled oil cooler and a water-cooled oil cooler according to different heat exchange media, is mainly used for cooling hydraulic oil and lubricating oil, and is widely applied to various industries such as plastic machinery, engineering machinery, mining machinery, automobiles, steel, wind power, aerospace and the like.
The hydraulic system and the lubrication system are important components of various mechanical devices. The hydraulic system needs to maintain high pressure continuously during operation, so that a large amount of heat is generated, and the oil temperature rises after long-time operation. If the heat is not emitted timely, the sealing elements of the system can be aged and damaged, the viscosity of the oil becomes lower along with the increase of the temperature of the oil, and the oil pressure can not meet the requirement of working. To ensure the safe and reliable operation of the unit. The oil temperature must be controlled within a prescribed range. The oil temperature of the lubrication system is increased mainly because the oil temperature is controlled within a predetermined range, unlike the hydraulic system.
During the operation of the refrigerator, the refrigerator oil plays the following roles: lubrication, sealing, energy conditioning, etc., but during the compression process of the compressor, the refrigerating machine oil becomes high temperature due to the compression heat release of fluorine. In the prior art, the main cooling methods include: water-cooled oil cooler adopts water to carry out the heat exchange as medium and oil, and the advantage is that the cooling effect is better, can satisfy the lower requirement of oil temperature and can fall about 40 ℃ with the oil temperature, and the shortcoming must just can use in the place that has the water source, and oil cooler leads to half a year needs the oil cooler of clearance because corrosion, perforation, the jam that reasons such as circulating water turbidity caused, and the oil cooler need change an oil cooler more than a year. The air-cooled oil cooler adopts air as a medium to exchange heat with oil, has the advantages of taking air as a cooling source, basically not being limited to a use place and being environment-friendly, and has the defect that the oil temperature cannot be reduced to an ideal temperature (generally, the oil temperature is difficult to be reduced to 5-10 ℃ higher than the ambient temperature by air cooling) due to the influence of the ambient temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a refrigerating machine oil cooler causes corruption, perforation, jam scheduling problem easily among the solution prior art well circulating water cooling.
In order to solve the problems, the utility model provides a refrigerating machine oil cooler for in the compression process of compressor, reduce the heat that refrigerating machine oil produced because of the compression heat release of refrigerant, including the casing, the inside heat exchange tube that is used for the heat exchange that is equipped with of casing, form the oil circuit in the heat exchange tube, the side of one end of casing still is equipped with the oil inlet, and the side of the other end is equipped with the oil-out, and the oil of heat exchange gets into from the oil inlet, flows out from the oil-out through the heat exchange tube; the inside of casing still is equipped with the cooling line that is used for liquid fluorine to pass through, the cooling line includes liquid fluorine entry and liquid fluorine export, liquid fluorine entry and liquid fluorine export are located respectively the both ends of oil cooler, the external source liquid fluorine of liquid fluorine entry, liquid fluorine export connection liquid fluorine recovery vessel.
And the liquid fluorine inlet and the liquid fluorine outlet are respectively provided with a manual regulating valve.
The heat exchanger also comprises a plurality of baffle plates which are arranged in the shell and used for strengthening heat transfer and supporting the shell.
The oil inlet is arranged at the liquid fluorine outlet end, and the oil outlet is arranged at the liquid fluorine inlet end.
The one end of casing inside is equipped with fixed tube sheet, and the other end is equipped with the tube sheet that floats, and fixed tube sheet and external flange joint float the tube sheet and freely stretch out and draw back in the casing, avoid the structural failure because of expend with heat and contract with cold and rise in the casing.
The fixed tube plate or the floating tube plate is made of carbon steel, stainless steel or CuNi materials and is welded with the shell into a whole.
The lower sides of the two ends of the shell are also provided with supports which are fixedly connected with the shell.
The shell is made of copper or stainless steel materials.
The utility model has the advantages that:
(1) The utility model provides a circulating water hand valve direct control oil temperature great problem of fluctuation, and fluorine control oil temperature is more stable, and the temperature fluctuation scope is little, does not need personnel long-term debugging oil temperature after the transformation.
(2) After the oil cooler is changed into fluorine cooling, one surface inside the oil cooler is contacted with oil, and the other surface is contacted with fluorine R22, so that the oil cooling has no corrosion problem, and the service cycle is infinitely prolonged.
(3) The refrigerating machine oil does not directly exchange heat with and contact with circulating water any more, thereby avoiding the hidden trouble that the oil leaks to the circulating water and avoiding the water from leaking to the oil cooling to damage the compressor.
(4) The utilization rate of the refrigerating machine oil is improved, equipment purchasing, replacing and maintaining cost of the oil cooler every year is reduced, and labor cost and equipment cost are saved.
Drawings
Fig. 1 is a schematic view of a partial cross-sectional view of the three-dimensional structure of the cooler of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the cooler of the present invention.
Fig. 3 is a schematic longitudinal sectional structure view of the cooler of the present invention.
Fig. 4 is a schematic front view of the cooler of the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The embodiment provides a refrigerating machine oil cooler, which is used for reducing heat generated by refrigerating machine oil due to heat release of refrigerant in the compression process of a compressor, and as shown in fig. 1, the refrigerating machine oil cooler comprises a shell 1, a heat exchange pipe 2 for heat exchange is arranged in the shell 1, an oil path is formed in the heat exchange pipe 2, as shown in fig. 2, an oil inlet 11 is further arranged on the side surface of one end of the shell 1, an oil outlet 12 is arranged on the side surface of the other end of the shell, and heat-exchanged oil enters from the oil inlet 11 and flows out from the oil outlet 12 through the heat; the inside of casing 1 still is equipped with the cooling line that is used for liquid fluorine to pass through, the cooling line includes liquid fluorine entry 13 and liquid fluorine export 14, liquid fluorine entry 13 and liquid fluorine export 14 are located respectively the both ends of oil cooler, the external source liquid fluorine of liquid fluorine entry 13, liquid fluorine export 14 is connected liquid fluorine recovery vessel.
The shell 1 mainly plays a role in supporting and internal circulation, the oil inlet 11 is connected with an oil separator for oil-gas separation of gaseous refrigerants, high-temperature and high-pressure refrigerants output from the outlet of the compressor are separated by the oil separator, the high-temperature gaseous refrigerants are conveyed into the liquid storage device through the condenser, and the oil outlet 12 of the high-temperature refrigerator is used for conveying the high-temperature refrigerant oil back to the compressor after the high-temperature refrigerant oil is cooled by the oil cooler, so that the cyclic utilization of the engine oil is realized.
The cooling line is an internal space of the housing 1, so that liquid fluorine flows into the other end of the housing 1 from one end thereof, thereby achieving sufficient cooling.
As shown in fig. 2, a manual regulating valve 15 is respectively provided at the liquid fluorine inlet 13 and the liquid fluorine outlet 14.
Manual control valve mainly used adjusts the fluorine flow of liquid and velocity of flow according to actual demand, if the oil temperature of oil inlet 11 when conventional within range, can adjust back in proper order, just need not adjust at every turn, reduces work load, and manual valve also makes things convenient for manual control, adjusts in a flexible way, subsequent maintenance and dismouting etc. of being convenient for.
Further, as shown in fig. 3, the heat exchanger further includes a plurality of baffles 16 disposed inside the casing 1 for enhancing heat transfer and supporting the inside of the casing 1.
In order to prolong liquid fluorine flow path in casing 1 for liquid utilization is more abundant, the utility model discloses set up polylith baffling board 16 in the cooler, baffling board 16 cooperates the pipeline shape, is the arc slice, and the interval sets up about perhaps from top to bottom at the interval.
Further, as shown in fig. 2 to fig. 3, the oil inlet 11 is disposed at the end of the liquid fluorine outlet 14, and the oil outlet 12 is disposed at the end of the liquid fluorine inlet 13.
In order to ensure that the cooling effect is optimal and protect the pipeline as much as possible, the oil inlet 11 is arranged on the side wall of the shell 1 and is close to the end of the liquid fluorine outlet 14, the temperature of the oil inlet 11 is high, so that damage to the pipeline caused by too large temperature difference is avoided, the oil outlet 12 is arranged at the end of the liquid fluorine inlet 13, so that the temperature of the engine oil flowing back into the compressor is reduced as much as possible, and the temperature of the engine oil flowing back into the compressor meets the requirement of reutilization.
As shown in fig. 3, a fixed tube plate 17 is arranged at one end inside the shell 1, a floating tube plate 18 is arranged at the other end, the fixed tube plate 17 is connected with an outer body flange, and the floating tube plate freely stretches and retracts inside the shell 1, so that structural failure caused by expansion with heat and contraction with cold inside the shell 1 is avoided.
The fixed tube plate 17 or the floating tube plate is made of carbon steel, stainless steel or CuNi materials and is welded with the shell 1 into a whole respectively.
As shown in fig. 4, the lower sides of the two ends of the housing 1 are further provided with supports 18, and the supports 18 are fixedly connected with the housing 1.
The shell 1 is made of copper or stainless steel.
better heat exchange can be realized, the corrosion resistance is strong, the service life is prolonged, the maintenance frequency is reduced, and the labor cost and the equipment cost are saved.
The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention. Those skilled in the art can also make other changes and the like in the spirit of the present invention, and the design of the present invention can be used as long as the technical effects of the present invention are not deviated. Such variations are intended to be included within the scope of the invention as claimed.
Claims (6)
1. A refrigerating machine oil cooler for reducing heat generated by refrigerating machine oil due to heat release by compression of a refrigerant in a compression process of a compressor, characterized in that: the heat exchanger comprises a shell, wherein a heat exchange tube for heat exchange is arranged in the shell, an oil way is formed in the heat exchange tube, an oil inlet is also formed in the side surface of one end of the shell, an oil outlet is formed in the side surface of the other end of the shell, and heat-exchanged oil enters from the oil inlet and flows out from the oil outlet through the heat exchange tube; the inside of casing still is equipped with the cooling line that is used for liquid fluorine to pass through, the cooling line includes liquid fluorine entry and liquid fluorine export, liquid fluorine entry and liquid fluorine export are located respectively the both ends of oil cooler, the external source liquid fluorine of liquid fluorine entry, liquid fluorine export connection liquid fluorine recovery vessel.
2. The oil cooler of claim 1, wherein a manual regulating valve is provided at each of the liquid fluorine inlet and the liquid fluorine outlet.
3. The oil cooler of claim 1, further comprising a plurality of baffles disposed within the housing for enhancing heat transfer and supporting the interior of the housing.
4. The oil cooler of any one of claims 1 to 3, wherein the oil inlet is provided at a liquid fluorine outlet end and the oil outlet is provided at a liquid fluorine inlet end.
5. The oil cooler according to any one of claims 1 to 3, wherein a fixed tube plate is provided at one end of the inside of the housing, and a floating tube plate is provided at the other end of the inside of the housing, the fixed tube plate is connected with the outer body flange, and the floating tube plate is freely retractable in the housing to avoid structural failure caused by thermal expansion and contraction.
6. The oil cooler of claim 5, wherein the fixed tube plate or the floating tube plate is made of carbon steel, stainless steel or CuNi, and is welded to the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451538.2U CN209745060U (en) | 2019-04-04 | 2019-04-04 | Refrigerating machine oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451538.2U CN209745060U (en) | 2019-04-04 | 2019-04-04 | Refrigerating machine oil cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209745060U true CN209745060U (en) | 2019-12-06 |
Family
ID=68719826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920451538.2U Expired - Fee Related CN209745060U (en) | 2019-04-04 | 2019-04-04 | Refrigerating machine oil cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209745060U (en) |
-
2019
- 2019-04-04 CN CN201920451538.2U patent/CN209745060U/en not_active Expired - Fee Related
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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: 20191206 Termination date: 20210404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |