CN217274979U - Direct cooling oil cooling system for refrigerant of screw unit - Google Patents
Direct cooling oil cooling system for refrigerant of screw unit Download PDFInfo
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- CN217274979U CN217274979U CN202220106491.8U CN202220106491U CN217274979U CN 217274979 U CN217274979 U CN 217274979U CN 202220106491 U CN202220106491 U CN 202220106491U CN 217274979 U CN217274979 U CN 217274979U
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Abstract
The embodiment of the utility model discloses a direct cooling oil cooling system of a refrigerant of a screw unit, which comprises a condenser, an oil cooler and a liquid storage device; a first outlet of the liquid storage device is connected with an inlet of the condenser through a first pipeline; the outlet of the condenser is connected with the first inlet of the oil cooler through a second pipeline; the first outlet of the oil cooler is connected with the inlet of the liquid reservoir through a third pipeline. Further, the ejector is arranged on a first pipeline which is connected with a first outlet of the liquid storage device and an inlet of the condenser. The utility model discloses screw unit's refrigerant direct cooling oil cooling system can save production and use cost. Further, the utility model discloses screw unit's refrigerant direct cooling oil cooling system can be so that do not have the mounting height requirement between condenser and the oil cooler through adopting the ejector. The refrigerant is saved, the oil temperature control is more stable, and the layout of the condenser is more flexible.
Description
Technical Field
The utility model belongs to the technical field of the related technique of refrigerating system and specifically relates to a screw unit's refrigerant direct cooling oil cooling system is related to.
Background
In the screw unit refrigeration technology in the prior art, oil cooling is divided into siphon cooling, water cooling and air cooling. Siphon oil cooling is a common application in current unit manufacturers.
Siphon oil cooling, however, requires the use of a siphon tank, resulting in increased production and use costs.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the utility model provides a screw unit's refrigerant direct cooling oil cooling system.
The direct cooling oil cooling system of the refrigerant of the screw unit comprises a condenser, an oil cooler and a liquid storage device; a first outlet of the liquid storage device is connected with an inlet of the condenser through a first pipeline; the outlet of the condenser is connected with the first inlet of the oil cooler through a second pipeline; and a first outlet of the oil cooler is connected with an inlet of the liquid storage device through a third pipeline.
According to a preferred embodiment of the present invention, the direct cooling oil cooling system of the refrigerant of the screw unit further comprises an ejector; the ejector is arranged on the first pipeline which is connected with the first outlet of the liquid storage device and the inlet of the condenser.
According to a preferred embodiment of the present invention, the refrigerant direct cooling oil cooling system of the screw unit further comprises an oil separator; an oil outlet of the oil separator is connected with a second inlet of the oil cooler through a fourth pipeline; and the air outlet of the oil separator is connected with the inlet of the condenser through a fifth pipeline.
According to a preferred embodiment of the present invention, the refrigerant direct cooling oil cooling system of the screw unit further comprises an oil separator; an oil outlet of the oil separator is connected with a second inlet of the oil cooler through a fourth pipeline; and the air outlet of the oil separator is connected with the ejector through a fifth pipeline.
According to a preferred embodiment of the present invention, the direct cooling oil cooling system of the screw unit further comprises a compressor; the air outlet of the compressor is connected with the inlet of the oil separator through a sixth pipeline; and a second outlet of the oil cooler is connected with an oil inlet of the compressor through a seventh pipeline.
According to a preferred embodiment of the present invention, the compressor is a screw compressor.
According to a preferred embodiment of the invention, in the installed state, the installation height of the condenser is greater than the installation height of the oil cooler.
Compared with the prior art, the utility model discloses screw unit's refrigerant direct cooling oil cooling system has following beneficial effect:
the utility model discloses screw unit's refrigerant direct cooling oil cooling system is through inciting somebody to action the first export of reservoir through first pipeline with the import of condenser is connected, the export of condenser through the second pipeline with the first import of oil cooler is connected, the first export of oil cooler through the third pipeline with the import of reservoir is connected, can be so that cooling system also can normally work under the condition that does not use the siphon jar, has saved production and use cost.
Further, the utility model discloses screw unit's refrigerant direct cooling oil cooling system can be so that do not have the mounting height requirement between condenser and the oil cooler through adopting the ejector. Therefore, compared with a common thermosiphon oil cooling system, the system saves the refrigerant and has more stable oil temperature control; compared with the improved oil cooling system, the machine room has smaller required space and the condenser is more flexible in layout.
Additional features of the invention will be set forth in part in the description which follows. Additional features of the invention will be set forth in part in the description which follows and in part will be apparent to those having ordinary skill in the art upon examination of the following and the accompanying drawings or may be learned from the manufacture or operation of the embodiments. The features of the present disclosure may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Like reference symbols in the various drawings indicate like elements. Wherein the content of the first and second substances,
fig. 1 is a schematic structural diagram of a refrigerant direct cooling oil cooling system of a screw unit shown in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a direct refrigerant cooling system of a screw unit according to embodiment 2 of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that if the terms "first", "second", etc. are used in the description and claims of the present invention and in the accompanying drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate in order to facilitate the embodiments of the invention described herein. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like are referred to, the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, in the present invention, the terms "mounted", "disposed", "provided", "connected", "coupled", etc. should be understood in a broad sense if they relate to one another. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
As shown in fig. 1, the present embodiment discloses a refrigerant direct cooling oil cooling system of a screw unit.
The refrigerant direct cooling oil cooling system of the screw unit may comprise a condenser 3, an oil cooler 4 and an accumulator 5.
Wherein the first outlet 501 of the accumulator 5 is connected with the inlet 301 of the condenser 3 through the first pipe 101. The outlet 302 of the condenser 3 is connected to the first inlet 401 of the oil cooler 4 via the second conduit 102. The first outlet 402 of the oil cooler 4 is connected to the inlet 502 of the reservoir 5 via a third conduit 103. In the mounted state, the mounting height of the condenser 3 is greater than the mounting height of the oil cooler 4. That is, in the mounted state, the height of the outlet 302 of the condenser 3 is greater than the height of the first inlet 401 of the oil cooler 4, as shown by H in fig. 1.
Further, the refrigerant direct cooling oil cooling system of the screw unit of the present embodiment further includes an oil separator 2. Wherein the oil outlet of the oil separator 2 is connected to the second inlet 403 of the oil cooler 4 via a fourth line 104. The outlet of the oil separator 2 is connected to the inlet 301 of the condenser 3 via a fifth line 105.
Further, the direct refrigerant cooling oil cooling system of the screw unit of the present embodiment further includes a compressor 1. The outlet of the compressor 1 is connected to the inlet of the oil separator 2 via a sixth line 106. The second outlet 404 of the oil cooler 4 is connected to the oil inlet of the compressor 1 via a seventh line 107. In the present embodiment, the compressor 1 is a screw compressor.
The refrigerant direct cooling oil cooling system of the screw unit of the embodiment can enable the cooling system to normally work without using a siphon tank by connecting the first outlet 501 of the liquid accumulator 5 with the inlet 301 of the condenser 3 through the first pipeline 101, connecting the outlet 302 of the condenser 3 with the first inlet 401 of the oil cooler 4 through the second pipeline 102, and connecting the first outlet 402 of the oil cooler 4 with the inlet 502 of the liquid accumulator 5 through the third pipeline 103, thereby saving the production and use costs.
Example 2
As shown in fig. 2, the present embodiment discloses a refrigerant direct cooling oil cooling system of a screw unit.
The direct refrigerant cooling system of the screw unit may include a condenser 3, an oil cooler 4, a reservoir 5 and an ejector 6.
Wherein the first outlet 501 of the accumulator 5 is connected with the inlet 301 of the condenser 3 through the first pipe 101. The outlet 302 of the condenser 3 is connected to the first inlet 401 of the oil cooler 4 via the second conduit 102. The first outlet 402 of the oil cooler 4 is connected to the inlet 502 of the reservoir 5 via a third conduit 103. The ejector 6 is provided on the first pipe 101 connecting the first outlet 501 of the accumulator 5 and the inlet 301 of the condenser 3.
Further, the refrigerant direct cooling oil cooling system of the screw unit of the present embodiment further includes an oil separator 2. Wherein the oil outlet of the oil separator 2 is connected to the second inlet 403 of the oil cooler 4 via a fourth line 104. The outlet of the oil separator 2 is connected to the ejector 6 via a fifth line 105.
Further, the direct refrigerant cooling oil cooling system of the screw unit of the present embodiment further includes a compressor 1. The outlet of the compressor 1 is connected to the inlet of the oil separator 2 via a sixth line 106. The second outlet 404 of the oil cooler 4 is connected to the oil inlet of the compressor 1 via a seventh line 107. In the present embodiment, the compressor 1 is a screw compressor.
The direct cooling oil cooling system of refrigerant of screw unit of this embodiment is through the pipeline increase ejector between screw unit's exhaust duct and condenser import, can be so that do not have the mounting height requirement between condenser and the oil cooler, is the direct cooling oil cooling system of refrigerant that need not the mounting height difference. Compared with a common thermosiphon oil cooling system, the system saves the refrigerant, and the temperature control of the oil temperature is more stable; compared with the oil cooling system shown in the embodiment 1, the machine room has smaller required space and the condenser is more flexible in layout.
It should be noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
In addition, the above embodiments are exemplary, and those skilled in the art can devise various solutions in light of the disclosure, which are also within the scope of the disclosure and the protection scope of the present invention. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Claims (7)
1. A direct cooling oil cooling system of a refrigerant of a screw unit is characterized by comprising a condenser, an oil cooler and a liquid storage device;
a first outlet of the liquid storage device is connected with an inlet of the condenser through a first pipeline;
the outlet of the condenser is connected with the first inlet of the oil cooler through a second pipeline;
and a first outlet of the oil cooler is connected with an inlet of the liquid storage device through a third pipeline.
2. The screw unit refrigerant direct cooling oil cooling system according to claim 1, further comprising an ejector;
the ejector is arranged on the first pipeline which is connected with the first outlet of the liquid storage device and the inlet of the condenser.
3. The screw unit refrigerant direct cooling oil cooling system according to claim 1, further comprising an oil separator;
an oil outlet of the oil separator is connected with a second inlet of the oil cooler through a fourth pipeline;
and the air outlet of the oil separator is connected with the inlet of the condenser through a fifth pipeline.
4. The screw unit refrigerant direct cooling oil cooling system according to claim 2, further comprising an oil separator;
an oil outlet of the oil separator is connected with a second inlet of the oil cooler through a fourth pipeline;
and the air outlet of the oil separator is connected with the ejector through a fifth pipeline.
5. The screw unit refrigerant direct cooling oil cooling system according to claim 3 or 4, further comprising a compressor;
the air outlet of the compressor is connected with the inlet of the oil separator through a sixth pipeline;
and a second outlet of the oil cooler is connected with an oil inlet of the compressor through a seventh pipeline.
6. The refrigerant direct cooling oil cooling system of a screw unit according to claim 5, wherein the compressor is a screw compressor.
7. The refrigerant direct cooling oil cooling system of a screw unit according to claim 1, wherein in a mounted state, a mounting height of the condenser is larger than a mounting height of the oil cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220106491.8U CN217274979U (en) | 2022-01-14 | 2022-01-14 | Direct cooling oil cooling system for refrigerant of screw unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220106491.8U CN217274979U (en) | 2022-01-14 | 2022-01-14 | Direct cooling oil cooling system for refrigerant of screw unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217274979U true CN217274979U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220106491.8U Active CN217274979U (en) | 2022-01-14 | 2022-01-14 | Direct cooling oil cooling system for refrigerant of screw unit |
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| CN (1) | CN217274979U (en) |
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- 2022-01-14 CN CN202220106491.8U patent/CN217274979U/en active Active
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