CN217842023U - Built-in waste heat recovery's screw compressor machine - Google Patents
Built-in waste heat recovery's screw compressor machine Download PDFInfo
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- CN217842023U CN217842023U CN202221327590.5U CN202221327590U CN217842023U CN 217842023 U CN217842023 U CN 217842023U CN 202221327590 U CN202221327590 U CN 202221327590U CN 217842023 U CN217842023 U CN 217842023U
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Abstract
The utility model provides a built-in waste heat recovery's screw compressor, include: the screw air compressor comprises a screw air compressor main body and a built-in waste heat recovery device; the built-in waste heat recovery device comprises a waste heat recovery machine, a control valve, a temperature control valve and a heat exchange pipeline; the inlet of the waste heat recovery machine is connected to the liquid outlet of the oil-gas separation barrel of the screw air compressor through a heat exchange pipeline and a control valve; the liquid outlet of the waste heat recovery machine is connected to the compression main machine through the filter after passing through the temperature control valve, and hot oil is connected to the compression main machine after being cooled and filtered through the complete machine cooler.
Description
Technical Field
The utility model relates to a screw compressor.
Background
The screw air compressor is used as general equipment with wider application, most of consumed electric energy is converted into compression heat which is taken away by a cooling system, and the waste heat of the air compressor is recovered and used in other production processes or living fields, so that fuel is saved, and CO are reduced 2 Discharge to the air is realizedEnergy conservation and emission reduction are realized. The heat recovery of the compressor is also a necessary means for continuously reducing the loss of the air system and further improving the efficiency and the productivity of the air compressor.
When the screw air compressor is used for preparing compressed air, electric energy is converted into mechanical energy, the mechanical energy is converted into heat energy, in the process, the air is compressed at high pressure, the temperature rises sharply, the screw rod runs at high speed, heat is generated by friction, the heat is discharged out of a machine body in an oil-gas mode through air compressor lubricating oil, namely the heat is directly discharged into the atmosphere, the heat of the oil-gas is 75% of the input power of the air compressor, the energy consumption is large, and the energy utilization rate is extremely low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the main technical problem that a screw compressor is provided, improves the availability factor and the economic benefits of air compressor machine, energy saving and emission reduction.
Compared with the prior art, the utility model provides a screw compressor of built-in waste heat recovery, include: the screw air compressor comprises a screw air compressor main body and a built-in waste heat recovery device; the built-in waste heat recovery device comprises a waste heat recovery machine, a control valve, a temperature control valve and a heat exchange pipeline;
the inlet of the waste heat recovery machine is connected to the liquid outlet of the oil-gas separation barrel of the screw air compressor through a heat exchange pipeline and a control valve; the liquid outlet of the waste heat recovery machine is connected to the compression main machine through the cold oil filter after passing through the temperature control valve, and the hot oil is connected to the compression main machine after being cooled by the complete machine cooler and filtered.
In a preferred embodiment: the control valve is a ball valve or an electromagnetic valve.
In a preferred embodiment: the waste heat recovery machine is also provided with a cooling water inlet and a hot water outlet; and the cooling water is used for carrying out heat exchange with high-temperature oil entering the waste heat recovery machine.
In a preferred embodiment: the screw air compressor main body comprises an outer box, an air compressor system assembly and a heat dissipation assembly;
the air compressor system assembly and the heat dissipation assembly are sequentially arranged in the outer box along the length direction of the outer box; the outer container is provided with the air intake along a side that length direction kept away from the heat dissipation assembly, the top of outer container and the position that the heat dissipation assembly corresponds are provided with the air outlet.
In a preferred embodiment: the air compressor main machine is provided with a compression inlet and a compression outlet, and the compression outlet is communicated with the oil-gas separation barrel and is used for oil-gas separation so as to separate lubricating oil and compressed gas.
In a preferred embodiment: an air inlet fan is arranged in the outer box and corresponds to the side face of the air inlet.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
the utility model provides a screw compressor machine of built-in waste heat recovery, because waste heat recovery device is built-in, so it is little to possess the required installation space of waste heat recovery device, and the oil circuit is short, and the cost is lower, and waste heat recovery efficiency can reach 80% at the highest energy, greatly reduced by the energy of the useless white waste.
Drawings
Fig. 1 is a schematic installation diagram of a waste heat recovery device in a preferred embodiment of the present invention;
fig. 2 is an internal structural view of the screw air compressor in the preferred embodiment of the present invention;
fig. 3 is an external perspective view of the screw air compressor in the preferred embodiment of the present invention.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be a wall-mounted connection, a detachable connection, or an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or a connection between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention in a specific case.
Referring to fig. 1 to 3, the present embodiment provides a screw air compressor with built-in waste heat recovery, including: the screw air compressor comprises a screw air compressor main body and a built-in waste heat recovery device; the built-in waste heat recovery device comprises a waste heat recovery machine 1, a control valve 2, a temperature control valve 3 and a heat exchange pipeline 4;
an inlet of the waste heat recovery machine 1 is connected to a liquid outlet of an oil-gas separation barrel 5 of the screw air compressor through a heat exchange pipeline 4 and a control valve 2; the liquid outlet of the waste heat recovery machine 1 is connected to the compression main machine 6 through the filter after passing through the temperature control valve 3, and the hot oil is connected to the compression main machine 6 after being cooled and oil-filtered by the complete machine cooler 13.
The control valve 2 is used for controlling whether lubricating oil flowing out of a liquid outlet of the oil-gas separation barrel 5 needs to enter the waste heat recovery device or not, and if the temperature of the lubricating oil is not high, the lubricating oil can directly return to the compression main machine 6 after being filtered by the filter. The control valve 2 may be a ball valve or a solenoid valve depending on whether the opening and closing of the heat exchange line 4 is manually controlled or automatically controlled by an electric signal.
The waste heat recovery machine 1 needs to be provided with a cooling water inlet 7 and a hot water outlet 8 to recover the heat of the high-temperature lubricating oil; the cooling water is used for exchanging heat with high-temperature oil entering the waste heat recovery machine 1.
In addition, the screw air compressor main body comprises an outer box 9, an air compressor system assembly and a heat dissipation assembly; the air compressor system assembly and the heat dissipation assembly are sequentially arranged in the outer box 9 along the length direction of the outer box 9; an air inlet 10 is formed in one side face, away from the heat dissipation assembly, of the outer box 9 along the length direction, and an air outlet 11 is formed in the position, corresponding to the heat dissipation assembly, of the top of the outer box 9.
The air compressor main machine is provided with a compression inlet and a compression outlet, and the compression outlet is communicated with the oil-gas separation barrel 5 and is used for oil-gas separation so as to separate lubricating oil and compressed gas.
An air inlet fan 12 is arranged in the outer box 9 on the side surface corresponding to the air inlet 10.
The above, only be the embodiment of the present invention, however, the design concept of the present invention is not limited to this, and any person skilled in the art is in the technical scope of the present invention, and it is right to utilize this concept to perform insubstantial changes, all belonging to the act of infringing the protection scope of the present invention.
Claims (6)
1. The utility model provides a built-in waste heat recovery's screw air compressor machine which characterized in that includes: the screw air compressor comprises a screw air compressor main body and a built-in waste heat recovery device; the built-in waste heat recovery device comprises a waste heat recovery machine, a control valve, a temperature control valve and a heat exchange pipeline;
the inlet of the waste heat recovery machine is connected to the liquid outlet of the oil-gas separation barrel of the screw air compressor through a heat exchange pipeline and a control valve; the liquid outlet of the waste heat recovery machine is connected to the compression main machine through the cold oil filter after passing through the temperature control valve, and the hot oil is connected to the compression main machine after being cooled by the complete machine cooler and filtered.
2. The screw air compressor with built-in waste heat recovery of claim 1, characterized in that: the control valve is a ball valve or an electromagnetic valve.
3. The screw air compressor with built-in waste heat recovery of claim 1, characterized in that: the waste heat recovery machine is also provided with a cooling water inlet and a hot water outlet; and the cooling water is used for carrying out heat exchange with high-temperature oil entering the waste heat recovery machine.
4. The screw air compressor with built-in waste heat recovery of claim 1, characterized in that: the screw air compressor main body comprises an outer box, an air compressor system assembly and a heat dissipation assembly;
the air compressor system assembly and the heat dissipation assembly are sequentially arranged in the outer box along the length direction of the outer box; the side of outer container along length direction is kept away from the heat dissipation assembly is provided with the air intake, the top of outer container and the position that the heat dissipation assembly corresponds are provided with the air outlet.
5. The screw air compressor with built-in waste heat recovery of claim 1, characterized in that: the compression main machine is provided with a compression inlet and a compression outlet, and the compression outlet is communicated with the oil-gas separation barrel and is used for oil-gas separation so as to separate lubricating oil and compressed gas.
6. The screw air compressor with built-in waste heat recovery of claim 4, characterized in that: an air inlet fan is arranged in the outer box and corresponds to the side face of the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221327590.5U CN217842023U (en) | 2022-05-30 | 2022-05-30 | Built-in waste heat recovery's screw compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221327590.5U CN217842023U (en) | 2022-05-30 | 2022-05-30 | Built-in waste heat recovery's screw compressor machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842023U true CN217842023U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221327590.5U Active CN217842023U (en) | 2022-05-30 | 2022-05-30 | Built-in waste heat recovery's screw compressor machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842023U (en) |
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2022
- 2022-05-30 CN CN202221327590.5U patent/CN217842023U/en active Active
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