Air inlet device of centrifugal compressor

Abstract

The utility model discloses an air inlet device of a centrifugal compressor, which belongs to the technical field of centrifugal compressors and comprises a connecting flange, an air inlet cylinder is fixedly mounted on the connecting flange, the air inlet cylinder is fixed at the air inlet end of the compressor through the connecting flange, a strip-shaped mounting block is fixedly mounted on the air inlet cylinder, and a limiting sliding groove is formed in the strip-shaped mounting block. A push-pull driving assembly is installed in the limiting sliding groove, a filter plate is installed on the push-pull driving assembly, the filter plate is inserted into the air inlet cylinder, the filter plate is fixedly connected with the push-pull driving assembly through a detachable connecting assembly, the filter plate is fixedly sleeved with a cleaning lantern ring, and the cleaning lantern ring is connected with the inner wall of the air inlet cylinder in an attached mode. According to the utility model, the filter plate can be conveniently replaced and cleaned, so that the smoothness of air intake and the efficient operation of the compressor are ensured, the convenience of maintenance is greatly improved, the inner wall of the air intake cylinder can be effectively cleaned when the filter plate is replaced, and the air intake quality is further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a centrifugal compressor air intake device belongs to centrifugal compressor technical field. BACKGROUND

[0002] The centrifugal compressor air intake device is an important component of the centrifugal compressor, which is mainly responsible for introducing gas into the compressor. The device usually includes an air inlet, a filter screen, inlet guide vanes and other key components. The air inlet ensures smooth entry of gas, and the filter screen is used to prevent impurities from entering the compressor interior and ensure the purity of the gas. The inlet guide vanes can adjust the angle according to actual needs to adapt to different working conditions and load changes, thereby optimizing the flow and compression effect of the gas.

[0003] However, the filter screen in the air intake device is arranged inside the device, which is inconvenient to disassemble and assemble, and dust and impurities are easily attached after long-term use, affecting the air intake effect. At the same time, the dust attached to the inner wall of the air intake duct also affects the air intake effect and air intake quality, and there are certain disadvantages in the use process.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] The utility model discloses a centrifugal compressor air intake device, which can realize convenient replacement and cleaning of the filter plate, ensure smooth air intake and efficient operation of the compressor, greatly improve the convenience of maintenance, and effectively clean the inner wall of the air intake cylinder when replacing the filter plate, further ensuring the air intake quality.

[0006] The utility model discloses a centrifugal compressor air intake device through the following technical scheme to realize above-mentioned purpose, including the connecting flange, the connecting flange is fixedly installed with air intake cylinder, air intake cylinder is fixed in the air intake end of compressor through connecting flange, air intake cylinder is fixedly installed with the strip -shaped mounting block, the limit sliding slot is seted up on the strip -shaped mounting block, the limit sliding slot is installed with push -and -pull drive assembly, push -and -pull drive assembly is installed with filter plate, filter plate is inserted in air intake cylinder, and filter plate is fixedly connected with push -and -pull drive assembly through detachable connecting component, the filter plate is fixedly sleeved with cleaning sleeve ring, and cleaning sleeve ring is connected with the inner wall of air intake cylinder.

[0007] Preferably, in order to pass through the sealing gasket, the connecting flange and the compressor can be better sealed at the connection position, the sealing gasket is fixedly installed on the connecting flange, and the sealing gasket is attached to the compressor.

[0008] Preferably, in order to enable the driving screw rod to rotate in the limiting sliding groove through the control of the micro motor, the push-pull driving assembly comprises the micro motor and the driving screw rod, the micro motor is fixed on the inner wall of one end of the limiting sliding groove, the driving screw rod is rotatably installed on the inner wall of the other end of the limiting sliding groove through the rotating joint, and one end of the driving screw rod is fixedly connected with the output shaft of the micro motor.

[0009] Preferably, in order to enable the threaded sliding block to slide in the limiting sliding groove through the rotation of the driving screw rod, the threaded sliding block is installed on the driving screw rod and is slidingly connected in the limiting sliding groove.

[0010] Preferably, in order to enable the threaded sliding block to drive the filter plate to move through the serpentine connecting rod, the serpentine connecting rod is fixedly installed on the threaded sliding block, and the filter plate is fixedly connected with one end of the serpentine connecting rod through the detachable connecting assembly.

[0011] Preferably, in order to enable the filter plate to be connected with the serpentine connecting rod through the connecting plug and the connecting socket, the detachable connecting assembly comprises the connecting socket and the connecting plug, the connecting socket is fixed on the filter plate, the connecting plug is fixed on one end of the serpentine connecting rod, and the connecting plug is inserted into the connecting socket.

[0012] Preferably, in order to enable the connecting plug and the connecting socket to be fixedly connected through the positioning screw rod, the L-shaped mounting plate is fixedly installed on the connecting plug, the positioning screw rod is installed on the L-shaped mounting plate, and one end of the positioning screw rod is inserted into the threaded hole corresponding to the connecting plug and the connecting socket.

[0013] Preferably, in order to enable the positioning screw rod to rotate through the control of the screwing head, the other end of the positioning screw rod is fixedly installed with the screwing head.

[0014] The beneficial effects of the utility model are: through the push-pull driving assembly and the detachable connecting assembly, the convenient replacement and cleaning of the filter plate are realized, not only the smoothness of air intake and the efficient operation of the compressor are ensured, but also the convenience of maintenance is greatly improved; meanwhile, the cleaning sleeve ring can effectively clean the inner wall of the air intake cylinder when the filter plate is replaced, and the air intake quality is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the installation structure schematic diagram of the sealing gasket in the utility model.

[0017] Figure 3 is a connection structure schematic view of the filter plate and the push-pull driving assembly in the utility model;

[0018] Figure 4 is a structure schematic view of the push-pull driving assembly in the utility model;

[0019] Figure 5 is a structure schematic view of the detachable connecting assembly in the utility model.

[0020] In the drawing: 1, connecting flange; 2, air inlet cylinder; 3, strip-shaped mounting block; 4, push-pull driving assembly; 401, micro motor; 402, driving threaded rod; 403, rotating joint; 404, threaded sliding block; 405, serpentine connecting rod; 5, filter plate; 6, detachable connecting assembly; 601, connecting plug bushing; 602, connecting plug; 603, L-shaped mounting plate; 604, positioning screw rod; 605, screw head; 7, cleaning collar; 8, sealing gasket. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5As shown, a centrifugal compressor air inlet device, including a connecting flange 1, the connecting flange 1 is fixedly installed with an air inlet cylinder 2, the air inlet cylinder 2 is fixed in the air inlet end of the compressor through the connecting flange 1, the air inlet cylinder 2 is fixedly installed with a strip-shaped mounting block 3, the strip-shaped mounting block 3 is provided with a limiting sliding groove, a push-pull driving assembly 4 is installed in the limiting sliding groove, a filter plate 5 is installed on the push-pull driving assembly 4, the filter plate 5 is inserted in the air inlet cylinder 2, and the filter plate 5 is fixedly connected with the push-pull driving assembly 4 through a detachable connecting assembly 6, a cleaning sleeve ring 7 is fixedly sleeved on the filter plate 5, the cleaning sleeve ring 7 is connected with the inner wall of the air inlet cylinder 2, a sealing gasket 8 is fixedly installed on the connecting flange 1, and the sealing gasket 8 is attached to the compressor. When in use, the air inlet cylinder 2 is stably installed at the air inlet end of the compressor through the connecting flange 1, and the sealing gasket 8 is used to ensure the sealing between the two, the filter plate 5 is fixed on the push-pull driving assembly 4 through the detachable connecting assembly 6, the filter plate 5 is inserted into the air inlet cylinder 2, the cleaning sleeve ring 7 on the outer side of the filter plate 5 is tightly attached to the inner wall of the air inlet cylinder 2, and impurities can be effectively intercepted. According to the need, the filter plate 5 can be conveniently pulled out or pushed in through the push-pull driving assembly 4 for replacement or cleaning, the air inlet is ensured to be unobstructed, the operation efficiency of the compressor is ensured, and when the filter plate 5 is pulled out, the cleaning sleeve ring 7 can clean the inner wall of the air inlet cylinder 2.

[0023] The push-pull driving assembly 4 includes a micro motor 401 and a driving threaded rod 402, the micro motor 401 is fixedly installed on the inner wall of one end of the limiting sliding groove, the driving threaded rod 402 is rotatably installed on the inner wall of the other end of the limiting sliding groove through a rotating joint 403, one end of the driving threaded rod 402 is fixedly connected with the output shaft of the micro motor 401, a threaded sliding block 404 is installed on the driving threaded rod 402, the threaded sliding block 404 is slidingly connected in the limiting sliding groove, a serpentine connecting rod 405 is fixedly installed on the threaded sliding block 404, the filter plate 5 is fixedly connected with one end of the serpentine connecting rod 405 through the detachable connecting assembly 6. When in use, the micro motor 401 is started, the driving threaded rod 402 is rotated, the threaded sliding block 404 is stably slid in the limiting sliding groove, and the serpentine connecting rod 405 on the threaded sliding block 404 moves, thereby pulling the filter plate 5 to be stably pushed and pulled in the air inlet cylinder 2 along the axial direction. When the filter plate 5 needs to be cleaned or replaced, the filter plate 5 can be easily pulled out by reversing the operation of the micro motor 401. The whole process has high automation degree and is simple and convenient to operate.

[0024] The detachable connecting assembly 6 comprises a connecting socket 601 and a connecting plug 602, the connecting socket 601 is fixed on the filter plate 5, the connecting plug 602 is fixed on one end of the serpentine connecting rod 405, and the connecting plug 602 is inserted into the connecting socket 601, the L-shaped mounting plate 603 is fixedly installed on the connecting plug 602, the positioning screw 604 is installed on the L-shaped mounting plate 603, one end of the positioning screw 604 is inserted into the threaded hole corresponding to the connecting plug 602 and the connecting socket 601, and the other end of the positioning screw 604 is fixedly installed with the screw head 605, in use, the connecting plug 602 is accurately inserted into the connecting socket 601, and then fixed through the positioning screw 604 on the L-shaped mounting plate 603. The one end of the positioning screw 604 is screwed into the threaded hole corresponding to the connecting plug 602 and the connecting socket 601, and the screw head 605 is easily tightened, so that the connection is stable and reliable. When disassembling, the positioning screw 604 is only reversed, so that the connecting plug 602 and the connecting socket 601 are easily separated, the filter plate 5 is quickly replaced or cleaned, and the operation is simple and efficient.

[0025] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

[0026] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A centrifugal compressor inlet device characterized by: The utility model provides a filter plate of compressor, including connecting flange (1), fixed mounting has air inlet cylinder (2) on connecting flange (1), air inlet cylinder (2) is fixed in the air inlet end of compressor through connecting flange (1), fixed mounting has strip mounting block (3) on air inlet cylinder (2), open the limiting sliding slot on strip mounting block (3), install push -and -pull drive assembly (4) in limiting sliding slot, install filter plate (5) on push -and -pull drive assembly (4), filter plate (5) is inserted in air inlet cylinder (2), and filter plate (5) is fixedly connected with push -and -pull drive assembly (4) through detachable connecting assembly (6), fixedly sleeveing has cleaning sleeve ring (7) on filter plate (5), cleaning sleeve ring (7) is attached with air inlet cylinder (2) inner wall.

2. The centrifugal compressor inlet arrangement of claim 1, wherein: The connecting flange (1) is fixedly installed with a sealing gasket (8), and the sealing gasket (8) is attached to the compressor.

3. The centrifugal compressor inlet arrangement of claim 1, wherein: The push-and-pull drive assembly (4) comprises a micro motor (401) and a drive threaded rod (402), the micro motor (401) is fixed on the inner wall of one end of the limiting sliding slot, the drive threaded rod (402) is rotatably installed on the inner wall of the other end of the limiting sliding slot through a rotating joint (403), and one end of the drive threaded rod (402) is fixedly connected with the output shaft of the micro motor (401).

4. The centrifugal compressor inlet arrangement of claim 3, wherein: The drive threaded rod (402) is provided with a threaded sliding block (404), and the threaded sliding block (404) is slidably connected in the limiting sliding slot.

5. The centrifugal compressor inlet arrangement of claim 4, wherein: The threaded sliding block (404) is fixedly provided with a serpentine connecting rod (405), and the filter plate (5) is fixedly connected with one end of the serpentine connecting rod (405) through the detachable connecting assembly (6).

6. The centrifugal compressor inlet arrangement of claim 5, wherein: The detachable connecting assembly (6) comprises a connecting socket (601) and a connecting plug (602), the connecting socket (601) is fixed on the filter plate (5), the connecting plug (602) is fixed on one end of the serpentine connecting rod (405), and the connecting plug (602) is inserted into the connecting socket (601).

7. The centrifugal compressor inlet arrangement of claim 6, wherein: The connecting plug (602) is fixedly provided with an L-shaped mounting plate (603), the L-shaped mounting plate (603) is provided with a positioning screw (604), and one end of the positioning screw (604) is inserted into the threaded hole corresponding to the connecting plug (602) and the connecting socket (601).

8. The centrifugal compressor inlet arrangement of claim 7, wherein: The other end of the positioning screw (604) is fixedly provided with a screw head (605).

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