Oil leakage treatment device for breathing opening of coupler of centrifugal compressor

Abstract

The utility model provides an oil leakage treatment device for a centrifugal compressor coupling breathing port, which comprises a liquid level meter device, a breathing port connecting part used for being connected with the centrifugal compressor coupling breathing port, an oil mist collecting barrel and an oil discharge device oil discharge valve, the liquid level meter device, the breathing opening connecting part and the oil discharging device oil discharging valve are all connected with the oil mist collecting barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oil and natural gas pipe transportation, especially relates to a kind of for centrifugal compressor shaft coupling breathing port oil leakage treatment device. BACKGROUND

[0002] RR combustion-driven centrifugal compressor unit is the important power device of long-distance pipeline natural gas medium transportation, mainly by RB-211 gas generator, RT-62 power turbine, RF2BB36 compressor three major components. Among them, the coupling is an important ring in the compressor, plays the role of transmitting torque, power transmission. Its internal lubricating oil is vaporized into high-temperature oil mist in the process of high-temperature unit operation, enters the oil mist separator at the top of the compressor coupling with the breathing pipe, this oil mist separator only has the function of discharging oil smoke, does not have the function of collecting oil, which leads to part of the oil mist condenses after the outermost layer of filter core and drops on the coupling shell, causing the unit to run for a long time will waste a lot of lubricating oil. In addition, when the power turbine exhaust volute cover sealing strip fails, high-temperature flue gas enters the coupling case position, and the oil droplets dropped at the breathing port will cause oil fire when meeting high-temperature flue gas, trigger the plant fire gas system alarm, cause the whole station ESD (Emergency Shutdown Device, emergency shutdown system) false trigger, which will seriously affect the safe production operation of the station. In order to ensure the safe and stable operation of the unit, and to curb the possibility of oil fire, an oil leakage treatment device with overflow oil collection is needed to solve the current production problems. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem to be solved to the prior art, and provides an oil leakage treatment device for the breathing port of the centrifugal compressor coupling.

[0004] The utility model solves the technical problems as follows: an oil leakage treatment device for the breathing port of the centrifugal compressor coupling, comprising: a liquid level gauge device, a breathing port connecting part for connecting with the centrifugal compressor coupling, an oil mist collecting cylinder, and an oil unloading device unloading valve, wherein the liquid level gauge device, the breathing port connecting part and the oil unloading device unloading valve are connected with the oil mist collecting cylinder.

[0005] The beneficial effect of the technical scheme of the utility model is that the liquid level meter device is arranged, oil level can be observed in daily inspection process, and corresponding measures can be taken in time.

[0006] Further, the oil mist collecting cylinder is in an upper cylindrical and lower conical structure.

[0007] The beneficial effect of the above further technical scheme is that the conical structure can facilitate collection while increasing the contact area of the high-temperature oil mist.

[0008] Further, a flange is arranged at the top end of the oil mist collecting cylinder, the flange is in a circular ring structure, and the flange protrudes from the inner wall of the oil mist collecting cylinder.

[0009] The beneficial effect of the above further technical scheme is that the flange at the upper edge of the oil mist collecting cylinder is designed to be inwardly tapered, so that the high-temperature oil mist can easily form oil droplets to flow down along the inner wall, and the upper end of the oil mist collecting cylinder is designed in a way that the oil mist can easily form oil droplets to flow down along the inner wall, which facilitates collection.

[0010] Further, a liquid level meter grommet is arranged at the top of the liquid level meter device through screwing, and the liquid level meter device is in an L-shaped structure.

[0011] The beneficial effect of the above further technical scheme is that the liquid level meter grommet is used to plug the upper part of the liquid level meter, so as to prevent sundries and dust from entering the liquid level meter device.

[0012] Further, the liquid level meter device comprises a liquid level meter, a liquid level meter sleeve, and an oil mist collecting cylinder mounting port, the liquid level meter is arranged in the liquid level meter sleeve, the oil mist collecting cylinder mounting port is arranged at the bottom of the liquid level meter sleeve, and the oil mist collecting cylinder mounting port is connected with the oil mist collecting cylinder.

[0013] The beneficial effect of the above further technical scheme is that the liquid level meter is arranged inside the liquid level meter sleeve, so as to prevent falling. The liquid level meter device is arranged, oil level can be observed in daily inspection process, and corresponding measures can be taken in time. The reading of the liquid level meter is observed in the inspection process, and the waste oil is discharged by opening the oil discharging valve of the oil discharging device if the oil level is high.

[0014] Further, one side of the oil mist collecting cylinder is provided with a liquid level gauge connecting port, and the oil mist collecting cylinder mounting port is connected with the liquid level gauge connecting port through screw thread.

[0015] The beneficial effect of the above further technical solution is that the oil mist collecting cylinder mounting port is connected with the liquid level gauge connecting port to fix it on the oil mist collecting cylinder. The internal range of the liquid level gauge device is designed as 0-100mm to observe the oil level during daily inspection and take timely measures.

[0016] Further, the breathing port connecting part is provided with a breathing port connecting port, and the breathing port connecting part is provided with external thread. The oil mist separator is mounted on the breathing port of the centrifugal compressor coupling, and the breathing port connecting part is connected with the oil mist separator of the breathing port of the centrifugal compressor coupling through external thread.

[0017] The beneficial effect of the above further technical solution is that the breathing port connecting port at the bottom is connected and fixed with the original coupling breathing port to prevent oil leakage. The oil mist collecting cylinder is connected with the original oil mist separator of the breathing port of the compressor coupling through the breathing port connecting part. The high-temperature oil mist passes through the internal filter element of the original separator and diffuses to the inner wall of the oil mist collecting cylinder, and after cooling inside, small oil droplets are formed and gathered at the bottom through the inner wall of the cylinder and the conical surface. During daily inspection, the oil level in the device can be observed in real time through the liquid level gauge, and the oil discharge valve can be opened for oil discharge work as appropriate to ensure the personal safety of the inspection personnel and the normal and reliable operation of the unit.

[0018] Further, the oil discharge device oil discharge valve comprises a valve body, an oil mist collecting cylinder connecting port, an oil discharge port and an oil discharge valve stem. The oil mist collecting cylinder connecting port, the oil discharge port and the oil discharge valve stem are connected with the valve body, and the oil mist collecting cylinder connecting port is connected with the oil mist collecting cylinder.

[0019] The beneficial effect of the above further technical solution is that the oil discharge device oil discharge valve is connected with the oil mist collecting cylinder through the oil mist collecting cylinder connecting port. The oil discharge valve stem controls the opening and closing action of the valve, and at the same time, the oil droplets are discharged and collected through the oil discharge port. The oil discharge device oil discharge valve is used to concentrate the overflow oil when the oil level is high by opening the oil discharge device oil discharge valve.

[0020] Further, the bottom of the oil mist collecting cylinder is provided with an oil discharge valve connecting port, and the oil mist collecting cylinder connecting port is connected with the oil discharge valve connecting port through screw thread.

[0021] The beneficial effect of the further technical scheme is that the oil discharging valve of the oil discharging device is connected with the oil discharging valve through the threaded connection of the oil mist collecting cylinder connecting port and the oil discharging valve connecting port.

[0022] Further, the oil discharging valve of the oil discharging device is a switch type ball valve.

[0023] The beneficial effect of the further technical scheme is that the oil discharging valve of the oil discharging device is used to concentrate the overflow oil when the oil level is high. The oil discharging valve of the oil discharging device is a switch type ball valve, which reduces the cost, facilitates the opening and closing of the oil discharging valve of the oil discharging device, and is convenient to operate.

[0024] The advantages of the additional aspects of the present application will be partially given in the following description, and some will become apparent from the following description, or be understood by those skilled in the art through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The structure schematic view of the oil leakage treatment device for the breathing port of the centrifugal compressor coupling provided by the embodiment of the present application is shown.

[0026] Figure 2 The structure schematic view of the oil leakage treatment device for the breathing port of the centrifugal compressor coupling provided by the embodiment of the present application is shown.

[0027] Figure 3 The structure schematic view of the liquid level meter device provided by the embodiment of the present application is shown.

[0028] Figure 4 The structure schematic view of the oil mist collecting cylinder provided by the embodiment of the present application is shown.

[0029] Figure 5 The structure schematic view of the oil discharging valve of the oil discharging device provided by the embodiment of the present application is shown.

[0030] Explanation of reference numerals: 1, liquid level meter plug; 2, liquid level meter device; 3, breathing port connecting part; 4, oil mist collecting cylinder; 5, oil discharging valve of oil discharging device; 6, liquid level meter; 7, liquid level meter sleeve; 8, oil mist collecting cylinder mounting port; 9, liquid level meter connecting port; 10, breathing port connecting port; 11, oil discharging valve connecting port; 12, oil mist collecting cylinder connecting port; 13, oil discharging port; 14, oil discharging valve stem. DETAILED DESCRIPTION

[0031] The principles and characteristics of the present application are described below in combination with the drawings, and the examples are only used to explain the present application and are not used to limit the scope of the present application.

[0032] As Figures 1 to 5 The utility model discloses an embodiment provides a kind of for centrifugal compressor shaft coupling breathing port oil leakage management device, comprising: liquid level gauge device 2, for being connected with the breathing port connecting portion 3 of centrifugal compressor shaft coupling breathing port, oil mist collecting cylinder 4, oil discharge device oil discharge valve 5, the liquid level gauge device 2, the breathing port connecting portion 3, the oil discharge device oil discharge valve 5 are connected with the oil mist collecting cylinder 4.

[0033] The beneficial effects of the technical scheme of the utility model are that the liquid level gauge device is provided to facilitate the observation of the oil level during routine inspection and timely response measures. The oil discharge valve of the oil discharge device is used to open the oil discharge valve when the oil level is high to concentrate the overflow oil. Not only is the structure simple and reasonable, but also has the function of oil collection. At the same time, it can observe the internal oil level in real time through routine inspection, prevent oil overflow, facilitate judgment of oil level, and timely discharge. High-temperature oil mist is converted into oil droplets that are easy to collect, effectively preventing the compressor unit from oil fire, avoiding triggering the factory fire alarm system, and ensuring the safe and stable operation of the compressor unit. The effective management of the compressor breathing port shaft coupling oil leakage phenomenon can be realized, and the management effect is remarkable.

[0034] The embodiment of the utility model provides a kind of for centrifugal compressor shaft coupling breathing port oil leakage management device and use method to meet actual design and use needs. It not only has reasonable structure design, but also has the function of oil collection. At the same time, it can observe the internal oil level in real time through routine inspection, prevent oil overflow, facilitate judgment of oil level, and timely discharge. It is beneficial to ensure the safe and stable operation of the compressor unit.

[0035] A device for centrifugal compressor shaft coupling breathing port oil leakage management (for centrifugal compressor shaft coupling breathing port oil leakage management device) is introduced as follows from its overall structure, connection mode of each component, working principle and main design parameters: the shaft coupling breathing port oil leakage management device (for centrifugal compressor shaft coupling breathing port oil leakage management device) is composed of liquid level gauge plug 1, liquid level gauge device 2, breathing port connecting portion 3, oil mist collecting cylinder 4 and oil collection device oil discharge valve (oil discharge device oil discharge valve 5). The oil mist collecting cylinder 4 is designed as "upper cylinder lower cone type", which can increase the contact area of cooled high-temperature oil mist and achieve easy collection effect; the liquid level gauge device 2 is designed with a range of 0-100mm to observe the oil level during routine inspection; the breathing port connecting portion 3 is connected to the breathing port inlet manifold through external threads; the oil discharge valve (oil discharge device oil discharge valve 5) is used to open the oil discharge valve (oil discharge device oil discharge valve 5) to concentrate the overflow oil when the oil level is high.

[0036] As a further optimization of the above scheme, the plug (liquid level meter plug 1) is used to block the upper part of the liquid level meter to prevent foreign matter and dust from entering the liquid level meter device 2; and is fixed on the liquid level meter device 2 by screw connection.

[0037] As a further optimization of the above scheme, the range of the liquid level meter device 2 is 0-100mm, and in order to adjust the liquid level meter to the observation position, it is connected to the oil mist collecting cylinder 4 by screw connection.

[0038] As a further optimization of the above scheme, the oil mist collecting cylinder 4 is designed as "upper cylinder lower cone type", which ensures the contact area of cooling high temperature oil mist, and the upper edge is designed as inward type (flange), which makes it easy for high temperature oil mist to form oil droplets flowing down the inner wall and easy to collect.

[0039] As a further optimization of the above scheme, the oil discharge valve (oil discharge device oil discharge valve 5) is a switch type ball valve, which has two working states: when the oil level is not high, it is in the closed position, and if oil needs to be discharged, the valve (oil discharge device oil discharge valve 5) is opened to discharge oil.

[0040] The oil mist collecting cylinder is connected with the original oil mist separator of the compressor coupling breathing port through the lower threaded connection part (breathing port connection part 3), the high temperature oil mist passes through the original separator inside filter element and diffuses to the inner wall of the oil mist collecting cylinder, and after cooling inside, small oil droplets are formed and gathered at the bottom through the cylinder inner wall and conical surface. The oil level in the device can be observed in real time during daily inspection through the liquid level meter, and the oil discharge valve can be opened for oil discharge work as needed, which ensures the personal safety of the inspection personnel and the normal and reliable operation of the unit.

[0041] Oil mist collecting device: the oil mist collecting cylinder is "upper cylinder lower cone type", the outer diameter is 260mm; the height of the cylinder part is 195.53mm, and the height of the conical part is 36.30mm. The outer diameter of the bottom connection (breathing port connection part 3) is 80mm, and the height is 143.17mm. The cylinder and the conical part are chamfered with R8mm to prevent cutting during installation. The opening diameter at the bottom of the oil mist collecting cylinder is 32mm.

[0042] Liquid level meter device: the whole is "L type", the outer dimensions are height: 176mm, length: 70mm, and width: 36mm. The oil passing port diameter is 27.69mm, the liquid level meter storage part is 130mm, and the liquid level meter range is selected as (0-100mm).

[0043] The oil discharge valve (oil discharge device oil discharge valve) selects a manual ball valve with an inner diameter of 10mm, which is equipped with corresponding threads with the oil mist collecting cylinder.

[0044] A use method of the device for treating oil leakage of the centrifugal compressor coupling breathing port according to the above, the use method comprises the following steps:

[0045] 1) Install the liquid level meter plug 1 above the liquid level meter 6, and install it firmly.

[0046] 2) Install the liquid level meter device 2 and the oil drain valve (oil drain device oil drain valve 5) in order, and place the oil drain valve (oil drain device oil drain valve 5) in the "off position".

[0047] 3) Connect the breathing port connecting part 3 with the original coupling breathing port.

[0048] 1) The structure is reasonable, which can effectively solve the problem of compressor breathing port coupling oil leakage, and the effect is remarkable.

[0049] 2) It can observe the oil level in real time, which is convenient for workers to observe in daily work and take timely measures.

[0050] 3) It has the functions of "backup valve closing and oil discharging when reaching the amount", which can convert high-temperature oil mist into oil droplets for easy collection, effectively prevent compressor unit oil fire, avoid triggering plant fire alarm system, and ensure safe and stable operation of compressor unit.

[0051] As shown in Figures 1 to 5 , further, the oil mist collecting cylinder 4 is of an upper cylindrical and lower conical structure.

[0052] The beneficial effects of the above further technical solutions are: the conical structure can increase the contact area of the cooled high-temperature oil mist and facilitate collection.

[0053] As shown in Figures 1 to 5 , further, a flange is installed at the top end of the oil mist collecting cylinder 4, the flange is a circular ring structure, and the flange protrudes from the inner wall of the oil mist collecting cylinder 4.

[0054] The beneficial effects of the above further technical solutions are: the flange at the top of the oil mist collecting cylinder is designed as an inward flange, which makes it easy for high-temperature oil mist to form oil droplets to flow down the inner wall, and the top end of the oil mist collecting cylinder is designed in a way that makes it easy for oil mist to form oil droplets to flow down the inner wall, which is convenient for collection.

[0055] The flange protrudes from the inner wall of the oil mist collecting cylinder 4 along the radial direction of the oil mist collecting cylinder 4, and the flange is horizontally arranged.

[0056] As shown in Figures 1 to 5 , further, a liquid level meter plug 1 is installed at the top of the liquid level meter device 2 by screwing, and the liquid level meter device 2 is of an L-shaped structure.

[0057] The beneficial effects of the above further technical solutions are: the liquid level meter plug is used to plug the top of the liquid level meter, avoiding the entry of impurities and dust into the liquid level meter device.

[0058] As shown inFigures 1 to 5 As shown, further, the liquid level gauge device 2 comprises a liquid level gauge 6, a liquid level gauge sleeve 7, and an oil mist collecting cylinder mounting port 8, the liquid level gauge 6 is mounted in the liquid level gauge sleeve 7, the oil mist collecting cylinder mounting port 8 is mounted at the bottom of the liquid level gauge sleeve 7, and the oil mist collecting cylinder mounting port 8 is connected with the oil mist collecting cylinder 4.

[0059] The beneficial effect of the above further technical solution is that the liquid level gauge is installed inside the liquid level gauge sleeve to prevent falling. The liquid level gauge device is provided to facilitate observation of the oil level during daily inspection and timely response measures. During the inspection process, the reading of the liquid level gauge is observed, and if the oil level is high, the oil drain valve is opened to discharge waste oil.

[0060] As shown in Figures 1 to 5 Further, one side of the oil mist collecting cylinder 4 is provided with a liquid level gauge connecting port 9, and the oil mist collecting cylinder mounting port 8 is connected with the liquid level gauge connecting port 9 through threads; the internal range of the liquid level gauge device 2 is 0-100mm.

[0061] The beneficial effect of the above further technical solution is that the oil mist collecting cylinder mounting port is connected with the liquid level gauge connecting port to fix it on the oil mist collecting cylinder. The internal range of the liquid level gauge device is designed to be 0-100mm to facilitate observation of the oil level during daily inspection and timely response measures.

[0062] As shown in Figures 1 to 5 Further, the breathing port connecting part 3 is provided with a breathing port connecting port 10, and the breathing port connecting part 3 is provided with external threads, the oil mist separator is mounted on the breathing port of the centrifugal compressor coupling, and the breathing port connecting part 3 is connected with the oil mist separator of the breathing port of the centrifugal compressor coupling through external threads.

[0063] The beneficial effect of the above further technical solution is that the breathing port connecting port at the bottom is connected and fixed with the original coupling breathing port to prevent oil leakage. The oil mist collecting cylinder is connected with the original oil mist separator of the compressor coupling breathing port through the breathing port connecting part, the high-temperature oil mist passes through the original separator inside the filter element and diffuses to the inner wall of the oil mist collecting cylinder, and after cooling inside, small oil droplets are formed and gathered at the bottom through the inner wall of the cylinder and the conical surface. During daily inspection, the oil level in the device can be observed in real time through the reading of the liquid level gauge, and the oil drain valve can be opened for oil discharge work as appropriate to ensure the personal safety of the inspection personnel and the normal and reliable operation of the unit.

[0064] As shown in Figures 1 to 5As shown, further, the oil discharging device oil valve 5 comprises a valve body, an oil mist collecting cylinder connecting port 12, an oil discharging port 13 and an oil valve valve rod 14, the oil mist collecting cylinder connecting port 12, the oil discharging port 13 and the oil valve valve rod 14 are connected with the valve body, and the oil mist collecting cylinder connecting port 12 is connected with the oil mist collecting cylinder 4.

[0065] The beneficial effect of the above further technical solution is that the oil discharging device oil valve is connected with the oil mist collecting cylinder through the oil mist collecting cylinder connecting port. The oil valve valve rod controls the opening and closing of the valve, and at the same time, the oil droplets are discharged and collected through the oil discharging port. The oil discharging device oil valve is used to concentrate the overflow oil when the oil level is high.

[0066] As shown in Figures 1 to 5 Further, the bottom of the oil mist collecting cylinder 4 is provided with an oil valve connecting port 11, and the oil mist collecting cylinder connecting port 12 is connected with the oil valve connecting port 11 through threads.

[0067] The beneficial effect of the above further technical solution is that the oil discharging device oil valve is connected with the oil valve connecting port through threads. The oil valve valve rod controls the opening and closing of the valve, and at the same time, the oil droplets are discharged and collected through the oil discharging port. The oil discharging device oil valve is used to concentrate the overflow oil when the oil level is high.

[0068] As shown in Figures 1 to 5 Further, the oil discharging device oil valve 5 is a switch type ball valve.

[0069] The beneficial effect of the above further technical solution is that the oil discharging device oil valve is used to concentrate the overflow oil when the oil level is high. The oil discharging device oil valve is a switch type ball valve, which reduces the cost, facilitates the opening and closing of the oil discharging device oil valve, and is convenient to operate.

[0070] The utility model discloses a kind of for centrifugal compressor shaft coupling breathing port oil leakage treatment device, liquid level meter plug 1 is connected with liquid level meter device 2 by thread, liquid level meter 6 is installed inside liquid level meter sleeve 7, prevent falling;Oil mist collecting cylinder mounting 8 is connected with liquid level meter connection 9, so that it is fixed on oil mist collecting cylinder 4, oil mist collecting cylinder 4 upper end is by the way of inner side, so that oil mist is conveniently formed oil droplet flows down inner wall, its oil valve connection 11 is connected with oil mist collecting cylinder connection 12, while bottom breathing port connection 10 is connected with original shaft coupling breathing port and is fixed, prevent oil leakage;Oil discharging device (oil discharging device oil valve 5) is connected by oil mist collecting cylinder connection 12 and oil valve connection 11 thread, valve stem (oil valve valve stem 14) controls valve (oil discharging device oil valve 5) switch action, while oil droplet is released collection by oil discharging port 13.The use method of the above-mentioned centrifugal compressor shaft coupling breathing port oil leakage treatment device of the utility model includes the following steps:

[0071] 1) install oil collecting device oil valve (oil discharging device oil valve 5) below collecting cylinder (oil mist collecting cylinder 4).

[0072] 2) liquid level meter device 2 is fixed on oil mist collecting cylinder 4, adjust liquid level meter 6 in the position of convenient observation.

[0073] 3) the whole device is connected by breathing port connection part 3 outer thread at shaft coupling breathing port.

[0074] 4) the number of liquid level meter 6 is observed during inspection, if oil level is higher, open oil valve (oil discharging device oil valve 5) and discharge waste oil.

[0075] The utility model provides a kind of for centrifugal compressor shaft coupling breathing port oil leakage treatment device and its use method, its characteristics are that high-temperature oil mist at the breathing port of compressor shaft coupling can be collected and handled, simultaneously, oil level in device can be observed in real time during routine inspection by the number of liquid level meter, and oil discharge work is carried out by opening oil valve (oil discharging device oil valve 5) as appropriate, ensure the personal safety of inspection personnel and the normal reliable operation of unit.It not only has reasonable structure design, has oil collecting and oil discharging capacity, real-time observation liquid level, but also can prevent oil fire, is advantageous to guarantee unit safe and smooth operation and other advantages.Good oil leakage treatment effect is obtained.Meanwhile, centrifugal compressor shaft coupling breathing port oil leakage treatment device adopts detachable structure, convenient replacement and assembly.

[0076] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for controlling oil leakage at the breather port of a centrifugal compressor coupling, characterized in that, include: The system includes a level gauge device, a breather connection part for connecting to the breather port of the centrifugal compressor coupling, an oil mist collection cylinder, and an oil unloading device unloading valve. The level gauge device, the breather connection part, and the oil unloading device unloading valve are all connected to the oil mist collection cylinder.

2. The device for controlling oil leakage at the breather port of a centrifugal compressor coupling according to claim 1, characterized in that, The oil mist collection cylinder has an upper cylindrical and lower conical structure.

3. The device for controlling oil leakage at the breather port of a centrifugal compressor coupling according to claim 1, characterized in that, The top of the oil mist collecting cylinder is equipped with a flange, which is a circular ring structure and protrudes from the inner wall of the oil mist collecting cylinder.

4. The device for controlling oil leakage at the breather port of a centrifugal compressor coupling according to claim 1, characterized in that, The top of the level gauge device is fitted with a level gauge plug via threads, and the level gauge device has an L-shaped structure.

5. The device for controlling oil leakage at the breather port of a centrifugal compressor coupling according to claim 1, characterized in that, The level gauge device includes: a level gauge, a level gauge sleeve, and an oil mist collection tube mounting port. The level gauge is installed in the level gauge sleeve, and the oil mist collection tube mounting port is installed at the bottom of the level gauge sleeve and connected to the oil mist collection tube.

6. The device for treating oil leakage at the breather port of a centrifugal compressor coupling according to claim 5, characterized in that, The oil mist collection tube is provided with a level gauge connection port on one side, and the oil mist collection tube mounting port is connected to the level gauge connection port by a thread; the internal measuring range of the level gauge device is 0 to 100 mm.

7. The device for controlling oil leakage at the breather port of a centrifugal compressor coupling according to claim 1, characterized in that, The breathing port connection part is provided with a breathing port connection port, and the breathing port connection part is provided with an external thread. The centrifugal compressor coupling breathing port is equipped with an oil mist separator, and the breathing port connection part is connected to the oil mist separator of the centrifugal compressor coupling breathing port through the external thread.

8. The device for controlling oil leakage at the breather port of a centrifugal compressor coupling according to claim 1, characterized in that, The oil unloading device includes an oil unloading valve comprising: a valve body, an oil mist collection cylinder connection port, an oil unloading port, and an oil unloading valve stem. The oil mist collection cylinder connection port, the oil unloading port, and the oil unloading valve stem are all connected to the valve body, and the oil mist collection cylinder connection port is connected to the oil mist collection cylinder.

9. A device for controlling oil leakage at the breather port of a centrifugal compressor coupling according to claim 8, characterized in that, The bottom of the oil mist collection cylinder is provided with an oil unloading valve connection port, and the oil mist collection cylinder connection port is connected to the oil unloading valve connection port by a thread.

10. A device for controlling oil leakage at the breather port of a centrifugal compressor coupling according to claim 1, characterized in that, The unloading valve of the unloading device is a switch-type ball valve.

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