Refrigeration structure for air suspension high-speed centrifugal compressor

Abstract

The utility model relates to the technical field of compressors, and particularly discloses a refrigeration structure for an air suspension high-speed centrifugal compressor. The impeller is arranged at one end of the rotor, and the impeller is used for accelerating refrigerant steam through high-speed rotation; the dustproof assembly is arranged on the outer side of the rotor, the dustproof assembly is used for preventing dust from entering the front end and the rear end of the rotor, and the dustproof assembly comprises a first dustproof cover; the first dustproof cover and the second dustproof cover protect the magnetic levitation sensing ring and the radial bearing in the first dustproof cover and the second dustproof cover at the same time, and the situation that dust enters a bearing gap to damage an air film, so that friction is aggravated, the temperature rises, and even the bearing is stuck is avoided; and the diffused gas also enters the first dust cover to refrigerate the magnetic levitation sensing ring, so that the heat energy generated by the magnetic levitation sensing ring during working is absorbed, and the magnetic levitation sensing ring is further protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compressor technical field, concretely is a refrigeration structure for air suspension high speed centrifugal compressor. BACKGROUND

[0002] Air suspension high speed centrifugal compressor is a kind of high-efficiency energy-saving equipment using air suspension bearing technology, combined with high-speed centrifugal compression principle, with the remarkable advantages of oil pollution-free, low energy consumption, low noise, easy maintenance, etc., widely used in industrial gas compression, sewage treatment, biological fermentation, pharmaceutical, electronic manufacturing and other fields, wherein, refrigeration structure is the core component of air suspension high speed centrifugal compressor, refrigeration structure is worked by high-speed rotating impeller to refrigerant vapor, realizes the promotion of pressure and temperature, to drive refrigeration cycle.

[0003] The refrigeration structure in air suspension high speed centrifugal compressor can improve the rotating effect of the impeller by air suspension bearing, so that the rotor operates without friction, however, the air suspension bearing is a high-precision structure, when dust from the outside enters the bearing, it may damage the air film, leading to increased friction, temperature rise, and even causing the bearing to be stuck, therefore, we propose a refrigeration structure for air suspension high speed centrifugal compressor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a refrigeration structure for air suspension high speed centrifugal compressor to solve the problem of air suspension bearing being a high-precision structure, which may damage the air film when dust from the outside enters the bearing, leading to increased friction, temperature rise, and even causing the bearing to be stuck.

[0005] To achieve the above object, the utility model provides the following technical scheme: an air suspension centrifugal compressor with sound insulation structure, comprising: a rotor;

[0006] Further comprising:

[0007] Impeller, the impeller is arranged at one end of the rotor, and the impeller is used for high-speed rotation to accelerate refrigerant vapor;

[0008] Dustproof assembly, the dustproof assembly is arranged on the outer side of the rotor, and the dustproof assembly is used for preventing dust from entering the front and rear ends of the rotor, and the dustproof assembly comprises a first dust cover, the first dust cover is provided with two, and the top end of the two first dust covers is detachably connected with a second dust cover by screws.

[0009] Wherein, the impeller is fixedly connected with the rotor, and the rotor is provided with magnetic suspension sensing ring on both sides.

[0010] Wherein, the rear end of the two magnetic suspension sensing rings is fixedly connected with a radial bearing, and the inner dimension of the radial bearing is slightly larger than the outer dimension of the rotor.

[0011] The front end opening of the first dust cover is outward, and the internal dimension of the rear end of the first dust cover is larger than the external dimension of the rotor.

[0012] The magnetic suspension sensing ring is arranged inside the first dust cover, the rear end of the first dust cover is provided with a fixing ring, the outer wall of the fixing ring is fixedly connected with a tooth block, the outer wall of the tooth block is meshingly connected with a transmission tooth plate, and the two fixing rings are fixedly connected with a positioning rod.

[0013] The two sides of the rotor are provided with refrigeration plates, the two ends of the refrigeration plates are fixedly connected with sliding rods, the two sides of the refrigeration plates are penetrated through with limiting rods, and the two sliding rods are penetrated through with a transmission plate.

[0014] The outer wall of the transmission plate is provided with a sliding groove, the sliding groove is arranged in an inclined manner, and the transmission plate is fixedly connected with the fixing ring.

[0015] The inner walls of the two refrigeration plates are fixedly connected with a plurality of air injection ports at equal intervals.

[0016] The utility model at least has the following beneficial effects:

[0017] The first dust cover and the second dust cover simultaneously protect the magnetic suspension sensing ring and the radial bearing inside, prevent dust from entering the bearing gap and damaging the air film, cause the friction to aggravate, the temperature to rise, even cause the bearing to jam, when the refrigeration plate moves to the direction of the rotor, the air injection port sprays air to the rotor, and the diffused gas also enters the first dust cover, and the magnetic suspension sensing ring is cooled, the heat energy generated during the operation of the magnetic suspension sensing ring is absorbed, and the magnetic suspension sensing ring is further protected. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is front view structural schematic diagram of the utility model;

[0019] Figure 2 It is rotor and impeller connecting structure schematic diagram of the utility model;

[0020] Figure 3 It is first dust cover and magnetic suspension sensing ring connecting structure schematic diagram of the utility model;

[0021] Figure 4 It is refrigeration plate structure schematic diagram of the utility model;

[0022] Figure 5 It is fixing ring structure schematic diagram of the utility model.

[0023] In the figure: 001, rotor; 002, impeller; 003, dustproof assembly; 110, magnetic suspension sensing ring; 120, radial bearing; 301, first dust cover; 302, second dust cover; 310, fixed ring; 320, tooth block; 330, transmission tooth plate; 340, positioning rod; 360, refrigeration plate; 350, sliding rod; 370, limiting rod; 380, transmission plate; 381, sliding groove; 390, air jet port. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one

[0025] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a refrigeration structure for air suspension high-speed centrifugal compressor, comprising: rotor 001,

[0026] Further comprising:

[0027] Impeller 002, impeller 002 is arranged at one end of rotor 001, and impeller 002 is used for high-speed rotation to accelerate refrigerant vapor;

[0028] Dustproof assembly 003, dustproof assembly 003 is arranged at the outside of rotor 001, and dustproof assembly 003 is used for preventing dust from entering the front and rear ends of rotor 001, and dustproof assembly 003 comprises first dust cover 301, first dust cover 301 is provided with two, and the top end of two first dust covers 301 is detachably connected with second dust cover 302 through screw.

[0029] Impeller 002 is fixedly connected with rotor 001, and both sides of rotor 001 are provided with magnetic suspension sensing ring 110.

[0030] Magnetic suspension sensing ring 110 is arranged inside first dust cover 301, the rear end of first dust cover 301 is provided with fixed ring 310, the outer wall of fixed ring 310 is fixedly connected with tooth block 320, the outer wall of tooth block 320 is meshingly connected with transmission tooth plate 330, and positioning rod 340 is fixedly connected between two fixed rings 310.

[0031] Wherein, after the gas enters the inside of the compressor, it is thrown to the outlet of the impeller 002 under the action of centrifugal force with the high-speed rotation of the impeller 002, so that it is compressed in the inside of the compressor to refrigerate, the trajectory of the rotor 001 is monitored by the magnetic suspension sensing ring 110 to realize the frictionless operation of the rotor 001 and keep it in the best state all the time, after the compressor is used for a certain period of time, the cylinder at the rear end of the transmission gear plate 330 can be started, the cylinder runs to push the transmission gear plate 330, the transmission gear plate 330 drives the meshed connecting tooth block 320 to rotate the fixed ring 310, and the positioning rod 340 connects the two fixed rings 310 to make the two fixed rings 310 rotate in the same direction at the same time;

[0032] And, since the outer wall of the transmission plate 380 is provided with an inclined sliding groove 381, when the two fixed rings 310 drive the transmission plate 380 to rotate, the sliding groove 381 arranged obliquely forces the sliding rod 360 inside it to slide, and then the refrigeration plate 350 limited by the limiting rod 370 moves longitudinally, the two refrigeration plates 350 move in the direction of the rotor 001 at the same time, the jet port 390 in the refrigeration plate 350 sprays cold air to the rotor 001 to refrigerate the rotor 001, absorbs the heat energy generated by the high-speed rotation of the rotor 001, and ensures that the rotor 001 can work continuously and efficiently.

[0033] The rear end of the two magnetic suspension sensing rings 110 is fixedly connected with a radial bearing 120, and the inner dimension of the radial bearing 120 is slightly larger than the outer dimension of the rotor 001.

[0034] Wherein, the magnetic suspension sensing ring 110 controls the rotor 001 to keep in a suspended state to prevent the rotor 001 from contacting the stator and ensure the stable operation of the compressor, and the radial bearing 120 further ensures that the rotor 001 can be in the correct position to enable the equipment to operate stably.

[0035] The front end of the first dust cover 301 is outwardly open, and the inner dimension of the rear end of the first dust cover 301 is larger than the outer dimension of the rotor 001.

[0036] Wherein, after the jet port 390 sprays cold air to the rotor 001, the cold air sprays out and quickly spreads to both sides, the diffused cold air quickly enters the inside of the first dust cover 301 and the second dust cover 302 to dissipate heat for the magnetic suspension sensing ring 110 and the radial bearing 120, and the gas rotated and rolled in by the impeller 002 is mixed with the cold air, and the cold air is recycled into the gas outlet with the gas.

[0037] The two sides of the rotor 001 are provided with refrigeration plates 350, the two ends of the refrigeration plate 350 are fixedly connected with sliding rods 360, the two sides of the refrigeration plate 350 are penetrated by limiting rods 370, and the two sliding rods 360 are penetrated by a transmission plate 380.

[0038] The limiting rod 370 is fixed in the equipment, and the refrigeration plate 350 is fixed by the limiting rod 370, so that the refrigeration plate 350 can move longitudinally stably.

[0039] The outer wall of the transmission plate 380 is provided with a sliding groove 381, and the sliding groove 381 is inclined.

[0040] The inner walls of the two refrigeration plates 350 are fixedly connected with a plurality of air injection ports 390 at equal intervals.

[0041] The inclined sliding groove 381 can drive the two refrigeration plates 350 to move towards the rotor 001, the rear side of the refrigeration plate 350 is provided with a laser sensor, the air injection port 390 is connected with cold air, the laser sensor controls the air injection port 390 to spray cold air, and the rotor 001 is quickly cooled.

[0042] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or equipment.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A refrigeration structure for an air-suspended high-speed centrifugal compressor, comprising: Rotor (001); It is characterized in that: Impeller (002), the impeller (002) is arranged at one end of the rotor (001), and the impeller (002) is used for high-speed rotation to accelerate refrigerant vapor; Dustproof assembly (003), the dustproof assembly (003) is arranged on the outer side of the rotor (001), the dustproof assembly (003) is used for preventing the front and rear ends of the rotor (001) from entering dust, the dustproof assembly (003) comprises first dust cover (301), the first dust cover (301) is provided with two, the top of the two first dust cover (301) is detachably connected with the second dust cover (302) through the screw.

2. The refrigeration structure for air-suspended high-speed centrifugal compressor according to claim 1, characterized in that: The impeller (002) is fixedly connected with the rotor (001), and the both sides of the rotor (001) are provided with magnetic suspension sensing rings (110).

3. The refrigeration structure for air-suspended high-speed centrifugal compressor according to claim 2, characterized in that: The rear end of the two magnetic suspension sensing rings (110) is fixedly connected with the radial bearing (120), and the inner dimension of the radial bearing (120) is slightly larger than the outer dimension of the rotor (001).

4. The refrigeration structure for air-suspended high-speed centrifugal compressor according to claim 3, characterized in that: The front end of the first dust cover (301) is outwardly opened, and the inner dimension of the rear end of the first dust cover (301) is greater than the outer dimension of the rotor (001).

5. The refrigeration structure for air-suspended high-speed centrifugal compressor according to claim 2, characterized in that: The magnetic suspension sensing ring (110) is arranged in the first dust cover (301), the rear end of the first dust cover (301) is provided with a fixing ring (310), the outer wall of the fixing ring (310) is fixedly connected with a tooth block (320), the outer wall of the tooth block (320) is engagedly connected with a transmission tooth plate (330), and the two fixing rings (310) are fixedly connected with a positioning rod (340).

6. The refrigeration structure for air-suspended high-speed centrifugal compressor according to claim 5, characterized in that: The both sides of the rotor (001) are provided with refrigeration plates (350), the both ends of the refrigeration plate (350) are fixedly connected with sliding rods (360), the both sides of the refrigeration plate (350) are penetrated by limiting rods (370), and the two sliding rods (360) are penetrated by a transmission plate (380).

7. The air suspension high-speed centrifugal compressor refrigeration structure according to claim 6, characterized in that: The outer wall of the transmission plate (380) is provided with a sliding groove (381), the sliding groove (381) is inclinedly arranged, and the transmission plate (380) is fixedly connected with the fixing ring (310).

8. The refrigeration structure for air suspension high-speed centrifugal compressor according to claim 6, characterized in that: The inner wall of the two refrigeration plates (350) is fixedly connected with a plurality of air injection ports (390) at equal intervals.

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