Centrifugal nitrogen compressor

Abstract

The utility model discloses a centrifugal nitrogen compressor, and particularly relates to the technical field of centrifugal compressors, the centrifugal nitrogen compressor comprises a base, an outer shell and an impeller, a supporting table is fixed at the top end of the base, the outer shell is fixed at the top end of the supporting table, an inner shell is fixed in the outer shell, the impeller is arranged in the inner shell, and the impeller is arranged in the inner shell. A rotating shaft is installed in the impeller, and a heat dissipation assembly is installed on one side of the shell. The air box, the first air groove and the second air groove are arranged, the second air groove is located on the outer side of the outer shell, air is blown to the outer surface of the outer shell through the second air groove along with rotation of the fan blades in the air box and is matched with the cooling fins, cooling treatment can be conducted from the outer side, and meanwhile the first air groove penetrates through the outer shell and the inner shell and penetrates out of the other side of the outer shell. And part of air penetrates out of the first air groove and can assist in heat dissipation treatment from the interior, and the internal and external synchronous heat dissipation performance of the centrifugal nitrogen compressor is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal compressors, in particular to a centrifugal nitrogen compressor. Background Art

[0002] The core component of a centrifugal compressor is a high-speed rotating impeller. The gas is introduced into the impeller through the inlet guide vane and flows along the flow channel at an accelerated speed under the action of centrifugal force, significantly increasing its kinetic energy. After the gas leaves the impeller, the diffuser converts the kinetic energy into pressure energy, thereby achieving pressure increase. Multiple stages in series can achieve a higher pressure ratio. This device is a centrifugal compressor for nitrogen.

[0003] The centrifugal nitrogen compressor will generate heat when in use. If the heat dissipation is handled by the outer heat sink, the heat dissipation effect is poor.

[0004] Therefore, a centrifugal nitrogen compressor is needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a centrifugal nitrogen compressor to solve the problem of poor heat dissipation of the centrifugal nitrogen compressor mentioned in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal nitrogen compressor, comprising a base, an outer shell and an impeller, a support platform is fixed to the top of the base, a outer shell is fixed to the top of the support platform, an inner shell is fixed to the inside of the outer shell, an impeller is arranged inside the inner shell, a rotating shaft is installed inside the impeller, a heat dissipation component is installed on one side of the outer shell, the heat dissipation component comprises a bellows, an air inlet slot, an isolation net, fan blades, a first air slot, a second air slot and a heat sink, a bellows is installed on one side of the outer shell, an air inlet slot is arranged on one side of the bellows, an isolation net is installed inside the air inlet slot, one side of the rotating shaft extends to the inside of the bellows, a fan blade is installed on one side of the rotating shaft, a first air slot is arranged on one side of the bellows, a second air slot is arranged above the first air slot, and a heat sink is installed on the outer side wall of the outer shell.

[0007] Furthermore, a mounting platform is installed at the top of the base, a support rod is fixed to one side of the bottom end of the mounting platform, an adjustment ring is provided on the outside of the support rod, a support foot is installed at the bottom end of the adjustment ring, and a moving wheel is installed on the other side of the bottom end of the mounting platform.

[0008] Preferably, four groups of the mounting platforms are installed at the bottom end of the base, and the four groups of the mounting platforms are symmetrically distributed.

[0009] Preferably, the surface of the support rod is provided with an external thread, and the interior of the adjustment ring is provided with an internal thread.

[0010] Furthermore, a plurality of impellers are arranged inside the inner shell, and the plurality of impellers are distributed in parallel.

[0011] Furthermore, an air outlet pipe is installed on one side of the top end of the shell, and an air inlet pipe is installed on the other side of the top end of the shell.

[0012] Furthermore, the other side of the rotating shaft extends to the outside of the outer shell, and a guide rod is fixed to the other side of the rotating shaft. An extension sleeve is provided on the outside of the guide rod, and an adjustment hole is provided on one side of the top end of the extension sleeve. An adjustment bolt is provided inside the adjustment hole, and a screw head is fixed to the top end of the adjustment bolt.

[0013] Preferably, three groups of the adjustment holes are arranged on one side of the top end of the extension sleeve, and the three groups of the extension sleeves are distributed at equal intervals.

[0014] Compared with the prior art, the utility model has the following beneficial effects: by providing a bellows, a first wind slot and a second wind slot, the second wind slot is located on the outside of the shell, and as the fan blades inside the bellows rotate, air is blown toward the outer surface of the shell through the second wind slot, and cooperates with the heat sink to perform heat dissipation from the outside, while the first wind slot passes through the shell and the inner shell and passes out from the other side of the shell, and part of the air passes out through the first wind slot, which can assist in heat dissipation from the inside, thereby achieving synchronous heat dissipation inside and outside of the centrifugal nitrogen compressor;

[0015] By providing support feet and moving wheels, the device can be assisted to move with the help of four sets of moving wheels. If the adjusting ring is rotated, the adjusting ring and the supporting rod can be matched through threads to drive the support feet to move down, and the support feet are in contact with the ground. The four sets of support feet can be matched to fix the position of the device, thereby realizing the convenience of using the centrifugal nitrogen compressor.

[0016] By providing an extension sleeve, after the adjustment bolt in the adjustment hole on the surface of the extension sleeve is loosened, the extension sleeve can move forward along the guide rod, so that the shaft can be extended, and the auxiliary shaft is connected to the driving device, thereby realizing the auxiliary extension of the shaft of the centrifugal nitrogen compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 It is a side view structural schematic diagram of the utility model;

[0019] Figure 3 For the utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0020] Figure 4 It is a schematic diagram of the front cross-sectional structure of the extension sleeve of the utility model.

[0021] In the figure: 1. base; 2. mounting table; 3. support rod; 4. adjustment ring; 5. support foot; 6. moving wheel; 7. support table; 8. outer shell; 9. inner shell; 10. impeller; 11. rotating shaft; 12. bellows; 13. air inlet slot; 14. isolation net; 15. fan blade; 16. first air slot; 17. second air slot; 18. heat sink; 19. air outlet pipe; 20. air inlet pipe; 21. guide rod; 22. extension pipe sleeve; 23. adjustment hole; 24. adjustment bolt; 25. screw head. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: a centrifugal nitrogen compressor, including a base 1, a shell 8 and an impeller 10, a mounting platform 2 is installed on the top of the base 1, and four groups of mounting platforms 2 are installed at the bottom of the base 1, and the four groups of mounting platforms 2 are symmetrically distributed, a support rod 3 is fixed to one side of the bottom end of the mounting platform 2, an adjusting ring 4 is arranged on the outer side of the support rod 3, an external thread is arranged on the surface of the support rod 3, an internal thread is arranged inside the adjusting ring 4, a supporting foot 5 is installed at the bottom end of the adjusting ring 4, and a moving wheel 6 is installed on the other side of the bottom end of the mounting platform 2;

[0024] Specifically, Figure 1 and Figure 2 As shown, when in use, four sets of moving wheels 6 are located below the base 1, and are used to move the position of the device. Conversely, if the adjusting ring 4 at the side end is rotated, the adjusting ring 4 and the supporting rod 3 are threadedly matched, and the supporting foot 5 can be driven to move downward, and the bottom side of the supporting foot 5 contacts the ground. The four sets of supporting feet 5 cooperate to support and fix the device.

[0025] A support platform 7 is fixed to the top of the base 1, an outer shell 8 is fixed to the top of the support platform 7, an inner shell 9 is fixed inside the outer shell 8, an impeller 10 is arranged inside the inner shell 9, a plurality of impellers 10 are arranged inside the inner shell 9, and the plurality of impellers 10 are distributed in parallel, a rotating shaft 11 is installed inside the impeller 10, a heat dissipation component is installed on one side of the outer shell 8, and the heat dissipation component includes a bellows 12, an air inlet slot 13, an isolation net 14, a fan blade 15, a first air slot 16, a second air slot 17 and a heat sink 18, and an outer A bellows 12 is installed on one side of the shell 8, an air inlet slot 13 is provided on one side of the bellows 12, an isolation net 14 is installed inside the air inlet slot 13, one side of the rotating shaft 11 extends to the inside of the bellows 12, a fan blade 15 is installed on one side of the rotating shaft 11, a first air slot 16 is provided on one side of the bellows 12, a second air slot 17 is provided above the first air slot 16, a heat sink 18 is installed on the outer side wall of the shell 8, an air outlet pipe 19 is installed on one side of the top of the shell 8, and an air inlet pipe 20 is installed on the other side of the top of the shell 8;

[0026] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when in use, when the rotating shaft 11 rotates, the fan blades 15 connected to the rotating shaft 11 rotate synchronously, so that the air can be discharged through the first wind slot 16 and the second wind slot 17 after being filtered by the isolation net 14, and the airflow at the second wind slot 17 blows to the outside of the outer shell 8, and cooperates with the heat sink 18 on the outside to perform heat dissipation treatment from the outside, and the first wind slot 16 runs through the outer shell 8 and the inner shell 9, and the airflow can take away the heat from the inside to complete the heat dissipation treatment;

[0027] The other side of the rotating shaft 11 extends to the outside of the housing 8. A guide rod 21 is fixed to the other side of the rotating shaft 11. An extension sleeve 22 is provided on the outside of the guide rod 21. An adjustment hole 23 is provided on one side of the top of the extension sleeve 22. Three groups of adjustment holes 23 are provided on one side of the top of the extension sleeve 22. The three groups of extension sleeves 22 are distributed at equal intervals. An adjustment bolt 24 is provided inside the adjustment hole 23. A screw head 25 is fixed on the top of the adjustment bolt 24.

[0028] Specifically, Figure 1 and Figure 4 As shown, when in use, after the adjustment bolt 24 inside the adjustment hole 23 on the surface of the extension sleeve 22 is loosened, the extension sleeve 22 can move along the guide rod 21. With the help of the extension sleeve 22, the rotating shaft 11 can be extended to assist in connecting the rotating shaft 11 with the driving device.

[0029] Working principle: When in use, four groups of moving wheels 6 are arranged under the base 1. The four groups of moving wheels 6 can assist the device to move its position. After moving to the side end of the driving device, the adjusting ring 4 can be rotated to drive the supporting foot 5 to contact the ground. With the help of the supporting foot 5, the position of the device can be fixed. After that, the extension sleeve 22 at the front end of the rotating shaft 11 can be connected to the transmission shaft of the driving device. If the adjusting bolt 24 on the surface of the extension sleeve 22 is loosened, the extension sleeve 22 can be said to move forward along the guide rod 21 at the front end of the rotating shaft 11, so that the rotating shaft 11 can be indirectly extended, which assists with the driving device. The transmission shaft of the driving device is connected. After the connection is completed, the device can be used. When the rotating shaft 11 rotates with the assistance of the driving device, the fan blades 15 at the tail end rotate in the bellows 12. At this time, the air is filtered by the isolation net 14 and can be discharged through the first wind groove 16 and the second wind groove 17. The airflow at the second wind groove 17 blows to the outside of the outer shell 8, and cooperates with the heat sink 18 on the outside to perform heat dissipation from the outside. The first wind groove 16 runs through the outer shell 8 and the inner shell 9. The airflow can take away the heat from the inside to complete the heat dissipation treatment. The inside and outside cooperate to complete the heat dissipation treatment of the device.

Claims

1. A centrifugal nitrogen compressor, comprising a base (1), a casing (8) and an impeller (10), characterized in that: A support platform (7) is fixed to the top of the base (1), an outer shell (8) is fixed to the top of the support platform (7), an inner shell (9) is fixed inside the outer shell (8), an impeller (10) is arranged inside the inner shell (9), a rotating shaft (11) is installed inside the impeller (10), and a heat dissipation component is installed on one side of the outer shell (8); The heat dissipation component comprises a bellows (12), an air inlet slot (13), an isolation net (14), a fan blade (15), a first air slot (16), a second air slot (17) and a heat sink (18); the bellows (12) is installed on one side of the shell (8); the bellows (12) is provided with an air inlet slot (13) on one side of the bellows (12); the interior of the air inlet slot (13) is installed with an isolation net (14); one side of the rotating shaft (11) extends to the interior of the bellows (12); the fan blade (15) is installed on one side of the rotating shaft (11); the first air slot (16) is provided on one side of the bellows (12); the second air slot (17) is provided above the first air slot (16); and the heat sink (18) is installed on the outer wall of the shell (8).

2. A centrifugal nitrogen compressor according to claim 1, characterized in that: A mounting platform (2) is installed at the top of the base (1); a support rod (3) is fixed to one side of the bottom end of the mounting platform (2); an adjustment ring (4) is arranged on the outer side of the support rod (3); a support foot (5) is installed at the bottom end of the adjustment ring (4); and a moving wheel (6) is installed on the other side of the bottom end of the mounting platform (2).

3. A centrifugal nitrogen compressor according to claim 2, characterized in that: Four groups of the mounting platforms (2) are installed at the bottom end of the base (1), and the four groups of the mounting platforms (2) are symmetrically distributed.

4. A centrifugal nitrogen compressor according to claim 2, characterized in that: The surface of the support rod (3) is provided with an external thread, and the interior of the adjustment ring (4) is provided with an internal thread.

5. A centrifugal nitrogen compressor according to claim 1, characterized in that: A plurality of impellers (10) are arranged inside the inner shell (9), and the plurality of impellers (10) are distributed in parallel.

6. A centrifugal nitrogen compressor according to claim 1, characterized in that: An air outlet pipe (19) is installed on one side of the top end of the shell (8), and an air inlet pipe (20) is installed on the other side of the top end of the shell (8).

7. A centrifugal nitrogen compressor according to claim 1, characterized in that: The other side of the rotating shaft (11) extends to the outside of the housing (8); a guide rod (21) is fixed to the other side of the rotating shaft (11); an extension sleeve (22) is arranged on the outside of the guide rod (21); an adjustment hole (23) is arranged on one side of the top end of the extension sleeve (22); an adjustment bolt (24) is arranged inside the adjustment hole (23); a screw head (25) is fixed to the top end of the adjustment bolt (24).

8. A centrifugal nitrogen compressor according to claim 7, characterized in that: The adjustment holes (23) are arranged in three groups on one side of the top end of the extension sleeve (22), and the three groups of the extension sleeves (22) are distributed at equal intervals.

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