Compressed air heat exchange system
A technology of heat exchange system and compressed air, which is applied in the direction of compressors, irreversible cycle compression machines, and reversible cycle compression machines, etc., which can solve environmental hazards and other problems, achieve reduced production costs, reliable system operation, and long life Effect
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Example Embodiment
[0067] Example 1
[0068] A compressed air heat exchange system includes: an air refrigeration flow path 100 . like figure 1 and figure 2 As shown, the air cooling flow path 100 is provided with a first compressor 11 , a second compressor 12 and an expander 13 . The first compressor 11 and the second compressor 12 are used to increase the temperature and pressure of the air flowing through the air cooling channel 100 . The expander 13 is used to reduce the temperature and pressure of the air flowing through the air cooling channel 100 . The inlet and outlet of the air cooling flow path 100 respectively form the air return port 104 and the air outlet 102 of the compressed air heat exchange system.
[0069] The expander 13 is coaxially connected to the second compressor 12 through the connecting shaft 141, such as figure 1 and figure 2 As shown, the air inlet of the second compressor 12 communicates with the air outlet of the first compressor 11 .
[0070] The compresse...
Example Embodiment
[0095] Embodiment 2
[0096] On the basis of the first embodiment, further, the connecting shaft 141 is sleeved with a dynamic pressure gas bearing 15, such as image 3 , Figure 4 and Figure 9 shown.
[0097] This scheme uses the dynamic pressure gas bearing 15, which relies on the high-speed relative motion between the shaft and the bearing to generate a pressure gas mold for dynamic pressure lubrication, with low assembly requirements, anti-rotor misalignment, and good stability at high speed. Compared with the static pressure gas bearing and the magnetic suspension bearing, the structure is simpler and the cost is lower, and it is more suitable for household air conditioners.
[0098] Specifically, as Figure 10 and Figure 11 As shown, the dynamic pressure gas bearing 15 includes a corrugated foil type foil bearing, and the corrugated foil type foil bearing includes: a bearing seat 151 and a multilayer foil. The inner side wall of the bearing seat 151 is provided w...
Example Embodiment
[0105] Embodiment 3 (not shown in the figure)
[0106] The difference from the first embodiment is that the first control valve 18 includes: a first one-way valve, a second one-way valve, a third one-way valve and a fourth one-way valve. The second control valve 19 includes a fifth check valve, a sixth check valve, a seventh check valve, and an eighth check valve.
[0107] The first one-way valve is located between the air return port 104 and the air inlet of the expander 13 , and is used to make the air return port 104 conduct one-way conduction to the air inlet of the expander 13 .
[0108] The second one-way valve is located between the outlet of the second control valve 19 and the intake port of the first compressor 11 , and is used to unidirectionally conduct the outlet of the second control valve 19 to the intake port of the first compressor 11 .
[0109] The third one-way valve is located between the air return port 104 and the air inlet of the first compressor 11 , an...
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