CN219605568U - Screw air compressor with built-in waste heat recovery - Google Patents
Screw air compressor with built-in waste heat recovery Download PDFInfo
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- CN219605568U CN219605568U CN202320228371.XU CN202320228371U CN219605568U CN 219605568 U CN219605568 U CN 219605568U CN 202320228371 U CN202320228371 U CN 202320228371U CN 219605568 U CN219605568 U CN 219605568U
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- air compressor
- waste heat
- heat recovery
- oil
- box
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- 239000002918 waste heat Substances 0.000 title claims abstract description 82
- 238000011084 recovery Methods 0.000 title claims abstract description 72
- 239000007789 gas Substances 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 39
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model provides a screw air compressor with built-in waste heat recovery, which comprises an air compressor base box, wherein a ventilation heat exchange window is fixedly arranged at the left end of the air compressor base box, a water inlet connecting pipe and a water outlet connecting pipe are respectively fixedly arranged on the front surface of the air compressor base box, an exhaust connecting pipe is fixedly arranged at the edge of the left end of the air compressor base box, and a motor is fixedly arranged in the air compressor base box. The discharged oil-gas mixture enters the oil-gas separator through a pipeline, the mixed gas entering the oil-gas separator is subjected to gas-liquid separation, the separated gas can enter the waste heat recovery box through the gas heat exchange coil, the separated oil liquid enters the waste heat recovery box through the oil liquid heat exchange coil, the gas with waste heat enters the gas heat exchange coil, heat is exchanged with heat conducting oil in the waste heat recovery box, the oil liquid with waste heat enters the oil liquid heat exchange coil, and heat is exchanged with the heat conducting oil in the waste heat recovery box.
Description
Technical Field
The utility model relates to the field of screw air compressors, in particular to a screw air compressor with built-in waste heat recovery.
Background
The screw air compressor adopts the pre-packaged configuration screw air compressor only needs single power supply connection and compressed air connection, and is internally provided with a cooling system, so that the installation work is greatly simplified, the screw air compressor provides high-quality compressed air for various industries consistently with the advantages of high efficiency, no maintenance, high reliability and the like, the screw air compressor adopts the pre-packaged configuration, only needs single power supply connection and compressed air connection, and is internally provided with the cooling system, so that the installation work is greatly simplified.
When the screw air compressor prepares compressed air, electric energy is converted into mechanical energy, the mechanical energy is converted into heat energy, in the process, the air is compressed under high pressure, the temperature rises dramatically, the screw runs at a high speed, friction generates heat, the heat is discharged out of the machine body through air compressor lubricating oil in an oil-gas mode, namely, the heat is directly discharged into the atmosphere, the heat of the oil gas is equivalent to 75% of the input power of the air compressor, the energy consumption is high, the utilization rate of energy is extremely low, the discharged oil-gas heat is mostly recovered by adopting an external heat exchange device in the prior art, the occupation space of equipment is greatly increased by the external heat exchange device, and the production and the processing of the screw air compressor are not facilitated.
Disclosure of Invention
In order to solve the problems, the utility model provides a screw air compressor with built-in waste heat recovery, which is used for solving the problems in the prior art.
In order to achieve the above purpose, the screw air compressor with built-in waste heat recovery comprises an air compressor base box, wherein a ventilation heat exchange window is fixedly arranged at the left end of the air compressor base box, a water inlet connecting pipe and a water outlet connecting pipe are fixedly arranged on the front surface of the air compressor base box respectively, an exhaust connecting pipe is fixedly arranged at the edge of the left end of the air compressor base box, a motor is fixedly arranged in the air compressor base box, and a screw host is fixedly arranged on the inner bottom surface of the air compressor base box at one side of the motor;
the inner bottom surface of the air compressor base box at one side of the screw host is fixedly provided with an oil-gas separator, and the inner bottom surface of the air compressor base box at one side of the oil-gas separator is fixedly provided with a waste heat recovery mechanism;
a cooling mechanism is arranged at one side of the waste heat recovery box, which is far away from the oil-gas separator;
the waste heat recovery mechanism comprises a waste heat recovery box fixedly arranged on the inner wall of the air compressor base box, a gas heat exchange coil fixedly arranged on the upper part of the waste heat recovery box, an oil liquid heat exchange coil fixedly arranged on the lower part of the waste heat recovery box and a heat exchange water pipe fixedly arranged in the middle of the waste heat recovery box;
the cooling mechanism comprises a condensing frame fixedly arranged on the inner wall of the air compressor base box, a pair of exhaust fans rotatably arranged on the condensing frame, and a gas condensing coil and an oil condensing coil which are arranged between the condensing frame and the waste heat recovery box.
Further, an output shaft of the motor is connected with an input end of a screw host, the screw host is connected with the oil-gas separator through a connecting pipe, and two ends of the gas heat exchange coil pipe penetrate through the waste heat recovery box and are respectively connected with the top of the oil-gas separator and one end of the gas condensing coil pipe.
Further, both ends of the oil liquid heat exchange coil pipe penetrate through the waste heat recovery box and are respectively connected with the bottom of the oil-gas separator and one end of the oil liquid condensing coil pipe, the height of the water inlet connecting pipe on the air compressor base box is lower than that of the water outlet connecting pipe on the air compressor base box, and both ends of the heat exchange water pipe plate are respectively fixedly connected with the water inlet connecting pipe and the water outlet connecting pipe.
Further, one end of the gas condensing coil, which is far away from the waste heat recovery box, passes through the air compressor base box and extends to the outside of the air compressor base box.
Further, the oil condensing coil is kept away from waste heat recovery case one end fixedly connected with back flow, and oil condensing coil one end is kept away from to the back flow is connected with the screw host computer input port, and waste heat recovery case's inside is filled with conduction oil.
Compared with the prior art, the utility model has the beneficial effects that:
the discharged oil-gas mixture enters the oil-gas separator through a pipeline, the mixed gas entering the oil-gas separator is subjected to gas-liquid separation, the separated gas can enter the waste heat recovery box through the gas heat exchange coil, the separated oil liquid enters the waste heat recovery box through the oil liquid heat exchange coil, the gas with waste heat enters the gas heat exchange coil, heat is exchanged with heat conducting oil in the waste heat recovery box, the oil liquid with waste heat enters the oil liquid heat exchange coil, and heat is exchanged with the heat conducting oil in the waste heat recovery box.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a partial cross-sectional structure of the present utility model;
FIG. 3 is a schematic diagram of a partial cross-sectional structure of the present utility model;
FIG. 4 is a schematic view of the partial structure of FIG. 3A according to the present utility model;
fig. 5 is a schematic view of the partial structure of fig. 3B according to the present utility model.
In the figure: 1. an air compressor base box; 2. a ventilation heat exchange window; 3. a water inlet connecting pipe; 4. a water outlet connecting pipe; 5. an exhaust connection pipe; 6. a motor; 7. a screw host; 8. an oil-gas separator; 9. a waste heat recovery box; 10. a gas heat exchange coil; 11. an oil liquid heat exchange coil; 12. a heat exchange water pipe; 13. a gas condensing coil; 14. an oil condensing coil; 15. a return pipe; 16. a condensing frame; 17. an exhaust fan; 18. a heat exchange water pipe disc.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
Referring to fig. 1-5, a screw air compressor with built-in waste heat recovery comprises an air compressor base box 1, and is characterized in that a ventilation heat exchange window 2 is fixedly arranged at the left end of the air compressor base box 1, a water inlet connecting pipe 3 and a water outlet connecting pipe 4 are fixedly arranged on the front surface of the air compressor base box 1 respectively, an exhaust connecting pipe 5 is fixedly arranged at the edge of the left end of the air compressor base box 1, a motor 6 is fixedly arranged in the air compressor base box 1, and a screw host 7 is fixedly arranged on the inner bottom surface of the air compressor base box 1 at one side of the motor 6;
the inner bottom surface of the air compressor base box 1 at one side of the screw host machine 7 is fixedly provided with an oil-gas separator 8, an output shaft of the motor 6 is connected with the input end of the screw host machine 7, the screw host machine 7 is connected with the oil-gas separator 8 through a connecting pipe, and the inner bottom surface of the air compressor base box 1 at one side of the oil-gas separator 8 is fixedly provided with a waste heat recovery mechanism;
a cooling mechanism is arranged on one side of the waste heat recovery box 9, which is far away from the oil-gas separator 8;
the waste heat recovery mechanism comprises a waste heat recovery box 9 fixedly arranged on the inner wall of the air compressor base box 1, a gas heat exchange coil 10 fixedly arranged on the upper part of the waste heat recovery box 9, an oil liquid heat exchange coil 11 fixedly arranged on the lower part of the waste heat recovery box 9 and a heat exchange water pipe 12 fixedly arranged in the middle part of the waste heat recovery box 9;
the cooling mechanism comprises a condensing frame 16 fixedly arranged on the inner wall of the air compressor base box 1, a pair of exhaust fans 17 rotatably arranged on the condensing frame 16, and a gas condensing coil 13 and an oil condensing coil 14 arranged between the condensing frame 16 and the waste heat recovery box 9, wherein one end of the gas condensing coil 13, which is far away from the waste heat recovery box 9, penetrates through the air compressor base box 1 and extends to the outside of the air compressor base box 1.
According to the technical scheme provided by the utility model, the output shaft of the motor 6 rotates and drives the rotor in the screw host 7 to rotate, the rotor is used for sucking external air in the rotating process and continuously compressing the sucked air, the pressure is increased and the temperature is increased along with the continuous compression of the air, meanwhile, the atomized lubrication changed into mist due to air pressure difference is sprayed into the compression cavity, so that the effects of compression, temperature sealing reduction and lubrication are achieved, when the rotor rotates to meet the exhaust port of the shell, the compressed air starts to be discharged, the discharged air-gas mixture enters the oil-gas separator 8 through the pipeline, the mixed air entering the oil-gas separator 8 is subjected to gas-liquid separation, the separated air can enter the waste heat recovery box 9 through the air heat exchange coil 10, the separated oil liquid enters the interior of the waste heat recovery box 9 through the oil liquid heat exchange coil 11, the gas with the waste heat enters the interior of the gas heat exchange coil 10, heat is exchanged with heat conduction oil in the interior of the waste heat recovery box 9, the oil liquid with the waste heat enters the interior of the oil liquid heat exchange coil 11, heat is exchanged with the heat conduction oil in the interior of the waste heat recovery box 9, the gas and the oil liquid which are subjected to heat exchange in the interior of the waste heat recovery box 9 enter the gas condensing coil 13 and the oil liquid condensing coil 14 respectively for cooling, the cooled gas is discharged to the outside, the cooled oil liquid flows back to the interior of the screw host 7, and the cooled oil liquid is used for lubricating the rotor rotation in the screw host 7.
Preferably: both ends of the gas heat exchange coil 10 pass through the waste heat recovery box 9 and are respectively connected with the top of the oil-gas separator 8 and one end of the gas condensing coil 13.
Specifically, the gas separated from the gas inside the oil-gas separator 8 can be led through the gas heat exchange coil 10, the hot gas separated from the oil-gas separator 8 can exchange heat with the heat transfer oil inside the waste heat recovery box 9 through the gas heat exchange coil 10, heat is transferred to the heat exchange water pipe disc 18 by the heat transfer oil inside the waste heat recovery box 9, and waste heat in the gas is recycled through the heat exchange water pipe disc 18.
Preferably: both ends of the oil liquid heat exchange coil pipe 11 pass through the waste heat recovery box 9 and are respectively connected with the bottom of the oil-gas separator 8 and one end of the oil liquid condensing coil pipe 14.
Specifically, the hot oil separated by the oil-gas separator 8 can exchange heat with the heat-conducting oil in the waste heat recovery tank 9 through the oil-liquid heat exchange coil 11, conduct heat to the heat exchange water pipe disc 18 by means of the heat-conducting oil in the waste heat recovery tank 9, and recycle the waste heat in the oil body through the heat exchange water pipe disc 18.
Preferably: the height of the water inlet connecting pipe 3 on the air compressor base box 1 is lower than that of the water outlet connecting pipe 4 on the air compressor base box 1, and two ends of the heat exchange water pipe disc 18 are fixedly connected with the water inlet connecting pipe 3 and the water outlet connecting pipe 4 respectively.
Specifically, the waste heat collected in the waste heat recovery box 9 can be recovered through the heat exchange water pipe disc 18, and the collected waste heat is stored and used by means of the external heat storage box of the water inlet connecting pipe 3 and the water outlet connecting pipe 4.
Preferably: one end of the oil condensing coil 14, which is far away from the waste heat recovery box 9, is fixedly connected with a return pipe 15, and one end of the return pipe 15, which is far away from the oil condensing coil 14, is connected with an input port of the screw host 7, and heat conducting oil is filled in the waste heat recovery box 9.
Specifically, can be with the fluid after the cooling through back flow 15, the inside of water conservancy diversion to screw host machine 7 for play lubricated effect when the inside rotor of screw host machine 7 rotates, reduce screw host machine 7 inside rotor pivoted frictional resistance, carry out the reutilization to lubricating oil simultaneously, reduce the cost of fluid and use.
The foregoing disclosure is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the claims herein, as equivalent changes may be made in the claims herein without departing from the scope of the utility model.
Claims (7)
1. The screw air compressor with the built-in waste heat recovery comprises an air compressor base box, and is characterized in that a ventilation heat exchange window is fixedly arranged at the left end of the air compressor base box, a water inlet connecting pipe and a water outlet connecting pipe are fixedly arranged on the front surface of the air compressor base box respectively, an exhaust connecting pipe is fixedly arranged at the edge of the left end of the air compressor base box, a motor is fixedly arranged in the air compressor base box, and a screw host is fixedly arranged on the inner bottom surface of the air compressor base box at one side of the motor;
the inner bottom surface of the air compressor base box at one side of the screw host is fixedly provided with an oil-gas separator, and the inner bottom surface of the air compressor base box at one side of the oil-gas separator is fixedly provided with a waste heat recovery mechanism;
the waste heat recovery mechanism comprises a waste heat recovery box fixedly arranged on the inner wall of the air compressor base box, a gas heat exchange coil fixedly arranged on the upper part of the waste heat recovery box, an oil liquid heat exchange coil fixedly arranged on the lower part of the waste heat recovery box and a heat exchange water pipe fixedly arranged in the middle of the waste heat recovery box;
a cooling mechanism is arranged at one side of the waste heat recovery box, which is far away from the oil-gas separator;
the cooling mechanism comprises a condensing frame fixedly arranged on the inner wall of the air compressor base box, a pair of exhaust fans rotatably arranged on the condensing frame, and a gas condensing coil and an oil condensing coil which are arranged between the condensing frame and the waste heat recovery box.
2. The screw air compressor with built-in waste heat recovery according to claim 1, wherein: an output shaft of the motor is connected with an input end of the screw host, and the screw host is connected with the oil-gas separator through a connecting pipe.
3. The screw air compressor with built-in waste heat recovery according to claim 1, wherein: and two ends of the gas heat exchange coil pipe pass through the waste heat recovery box and are respectively connected with the top of the oil-gas separator and one end of the gas condensing coil pipe.
4. The screw air compressor with built-in waste heat recovery according to claim 1, wherein: and two ends of the oil liquid heat exchange coil pipe pass through the waste heat recovery box and are respectively connected with the bottom of the oil-gas separator and one end of the oil liquid condensing coil pipe.
5. The screw air compressor with built-in waste heat recovery according to claim 1, wherein: the height of the water inlet connecting pipe on the air compressor base box is lower than that of the water outlet connecting pipe on the air compressor base box, and two ends of the heat exchange water pipe disc are fixedly connected with the water inlet connecting pipe and the water outlet connecting pipe respectively.
6. The screw air compressor with built-in waste heat recovery according to claim 1, wherein: one end of the gas condensing coil, which is far away from the waste heat recovery box, penetrates through the air compressor base box and extends to the outside of the air compressor base box.
7. The screw air compressor with built-in waste heat recovery according to claim 1, wherein: and one end, far away from the waste heat recovery box, of the oil condensing coil is fixedly connected with a return pipe, and one end, far away from the oil condensing coil, of the return pipe is connected with an input port of a screw host, and heat conducting oil is filled in the waste heat recovery box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320228371.XU CN219605568U (en) | 2023-02-14 | 2023-02-14 | Screw air compressor with built-in waste heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320228371.XU CN219605568U (en) | 2023-02-14 | 2023-02-14 | Screw air compressor with built-in waste heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219605568U true CN219605568U (en) | 2023-08-29 |
Family
ID=87752917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320228371.XU Active CN219605568U (en) | 2023-02-14 | 2023-02-14 | Screw air compressor with built-in waste heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219605568U (en) |
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2023
- 2023-02-14 CN CN202320228371.XU patent/CN219605568U/en active Active
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