Air compressor emptying valve suitable for high vibration

Abstract

The utility model discloses an air compressor emptying valve suitable for high vibration, which comprises a vibration pipeline and an air compressor emptying valve body arranged on the vibration pipeline, the air compressor emptying valve body comprises a valve body arranged in the vibration pipeline, an executing mechanism arranged at the top of the vibration pipeline, a control unit used for controlling the executing mechanism and a fixing rack used for installing the control unit, and an anti-explosion winding pipe and a signal line are arranged between the control unit and the executing mechanism. The control unit is connected with the executing mechanism in a split mode through the anti-explosion winding pipe and the signal line, and the control unit is independently fixed through the fixing machine frame. The problem that a control unit cannot operate stably in a vibration environment can be solved, interference of vibration on gas circuit linkage of a control part is remarkably reduced, the stability of the valve control unit is ensured, the fault rate is reduced, and therefore the operation efficiency of the whole control system is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of air compressor vent valves, specifically to an air compressor vent valve suitable for high vibration. Background Technology

[0002] Currently, air compressor vent valves consist of a valve, actuator, and control unit, generally forming a single unit. When installed on normal pipelines, they pose no problem. However, when installed at the end of high-pressure air delivery pipelines, the pipeline itself is prone to high-frequency vibration due to pressure changes or venting. In this case, when the air compressor vent valve operates on a high-vibration process pipeline, both the air compressor and the vent valve will also vibrate along with the pipeline.

[0003] When vibration of the process pipeline causes vibration of the actuator, control components such as solenoid valves, positioners, amplifiers, pneumatic valves, and instrument air ducts installed on the upper part of the actuator will experience high-frequency vibration. This can cause loosening or disengagement of pneumatic accessories in critical parts of the valves, easily leading to valve malfunction, fluctuations in production operation, or even shutdown, and producing loud noises. In severe cases, it can even cause valve stem breakage, valve seat detachment, and the control valve to malfunction. Therefore, it is necessary to develop an air compressor pneumatic valve mounting structure that can operate stably in a vibration environment. Summary of the Invention

[0004] In order to solve one or more technical problems existing in the prior art, the purpose of this application is to provide an air compressor vent valve suitable for high vibration, which can solve the problem that the control unit cannot operate stably under vibration environment, significantly reduce the interference of vibration on the air circuit connection of the control part, ensure the stability of the valve control unit, reduce the failure rate, and thus improve the operating efficiency of the entire control system.

[0005] To solve the aforementioned technical problems, this application adopts the following technical solution:

[0006] A vent valve for air compressors subjected to high vibration includes a vibrating duct and an air compressor vent valve body disposed on the vibrating duct. The air compressor vent valve body includes a valve body disposed within the vibrating duct, an actuator disposed at the top of the vibrating duct, a control unit for controlling the actuator, and a fixed frame for mounting the control unit. An explosion-proof bypass pipe and a signal line are provided between the control unit and the actuator. The control unit is separately connected to the actuator through the explosion-proof bypass pipe and the signal line. The control unit is separately fixed by the fixed frame.

[0007] Preferably, the fixed frame includes a mounting panel and two support legs located at the bottom of the mounting panel, the support legs being provided with mounting holes.

[0008] Preferably, the mounting panel is made of 5mm thick hot-dip galvanized steel sheet, and the support feet are inverted T-shaped structures.

[0009] Preferably, the control unit includes a gas source filter and pressure reducing valve, a gas distributor, a gas amplifier, a gas quick exhaust valve, a positioner, a solenoid valve, and a position holding valve. The gas source is connected to the gas source filter and pressure reducing valve, the gas distributor, and the gas amplifier in sequence through pipelines. The gas amplifier is then connected to the gas quick exhaust valve and the position holding valve. The gas quick exhaust valve and the position holding valve are connected to the valve actuator. The gas quick exhaust valve and the position holding valve are connected to the actuator through the explosion-proof bypass pipe. The gas distributor is connected to the solenoid valve and the gas quick exhaust valve. The positioner is connected to the gas distributor and the amplifier. The positioner signal line is connected to the valve body position sensor.

[0010] Preferably, the explosion-proof bypass tube is a DN32*1200 304 stainless steel explosion-proof flexible tube, and the signal line is a 4*0.5 square silicone high-temperature resistant and anti-interference strong signal line.

[0011] Preferably, the positioner is an intelligent valve positioner, which monitors the operating status of the valve body in real time through its intelligent diagnostic function.

[0012] Preferably, the top of the vibrating pipe is provided with a fixed bracket and a support, the actuator is fixedly installed on the vibrating pipe by the fixed bracket, and the rear end of the actuator is limited and supported by the support.

[0013] Preferably, the bracket includes a support rod with one end fixed to the vibrating pipe and an arc-shaped support plate disposed on the support rod, and the end of the actuator is supported and limited by the arc-shaped support plate.

[0014] Preferably, the support rod is made of national standard galvanized U-shaped 10# channel steel.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] Improved system stability: By reducing the impact of vibration on valve positioning, split positioning technology can significantly improve the stability of air compressor vent valve systems and reduce failure rates.

[0017] Reduced maintenance costs: During the control and monitoring of the valve body, problems can be identified and resolved in a timely manner, thereby reducing maintenance costs.

[0018] Improve system efficiency: A precise and stable valve control unit helps improve the control accuracy and response speed of the air compressor vent valve system, thereby improving the overall system operating efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] In the diagram: 1. Vibration duct; 2. Support rod; 3. Bracket; 4. Arc-shaped support plate; 5. Actuator; 6. Fixed bracket; 7. Valve body; 8. Explosion-proof bypass pipe; 9. Signal line; 10. Air source filter pressure reducing valve; 11. Air distributor; 12. Solenoid valve; 13. Air amplifier; 14. Control unit; 15. Positioning valve; 16. Mounting panel; 17. Positioner; 18. Air quick exhaust valve; 19. Fixed frame; 20. Support foot; 21. Mounting hole. Detailed Implementation

[0021] The present application will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0022] In the description of this application, it should be understood that the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0023] The terms "first," "second," etc., used in this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class, without limiting the number of objects; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0024] like Figure 1As shown, an air compressor vent valve suitable for high vibration includes a vibrating pipe 1 and an air compressor vent valve body disposed on the vibrating pipe 1. The air compressor vent valve body includes a valve body 7 disposed inside the vibrating pipe 1, an actuator 5 disposed at the top of the vibrating pipe 1, a control unit 14 for controlling the actuator 5, and a fixed frame 19 for mounting the control unit 14. An explosion-proof bypass pipe 8 and a signal line 9 are provided between the control unit 14 and the actuator 5. The control unit 14 is separately connected to the actuator 5 through the explosion-proof bypass pipe 8 and the signal line 9. The control unit 14 is separately fixed by the fixed frame 19.

[0025] In actual use, the valve body 7 and the actuator 5 are controlled by being mounted on the vibrating pipeline 1. The control unit 14, which controls the valve body 7 and the actuator 5, is mounted on the fixed frame 19. The fixed frame 19 is installed on the ground at a location away from the high vibration environment. The control part is mounted on the control unit 14 and is connected to the actuator 5 separately through the explosion-proof bypass pipe 8 and the signal line 9. This ensures that during the vibration of the vibrating pipeline 1, only the valve body 7 and the actuator 5 vibrate synchronously, while the control unit 14 does not vibrate. This allows the air compressor vent valve to isolate the application environment such as temperature and vibration from the basic control unit 14 in high vibration environments. This prevents the components of the control unit 14 mounted on the actuator 5 from loosening of critical valve pneumatic accessories, loosening of air source clamp screws, or clamp disengagement due to high-frequency vibration. At the same time, it eliminates the problems of valve malfunction, fluctuations in production equipment operation, or even shutdown. The valve has high safety and more stable operation.

[0026] A further improvement is that the fixed frame 19 includes a mounting panel 16 and two support feet 20 located at the bottom of the mounting panel 16, with mounting holes 21 on the support feet 20; the mounting panel 16 is made of 5mm thick hot-dip galvanized steel sheet, and the support feet 20 have an inverted T-shaped structure.

[0027] When installing the control unit 14, all components of the control unit 14 are mounted on the mounting panel 16 of the fixed frame 19, which is then fixed by two support feet 20. This design simplifies the structure, makes installation easier, and, generally, allows for convenient ground mounting for maintenance. The mounting panel 16 is made of 5mm thick hot-dip galvanized steel sheet, making assembly and fixing of the various components of the control unit 14 simpler and more convenient. It also allows for easy adjustment of the mounting position, high flexibility, and good stability after installation. The support feet 20 have an inverted T-shaped structure, and the bottom fastening bolts are M16*180 hot-dip galvanized expansion screws, ensuring better fixation, high stability, and preventing tipping. The bottom of the mounting panel 16 is fixed to the support feet 20 by welding or by using 8.8 grade M12*35 galvanized hexagonal screws and nuts.

[0028] A further improvement is made to the control unit 14, which includes a gas source filter and pressure reducing valve 10, a gas path distributor 11, a gas path amplifier 13, a gas path quick exhaust valve 18, a positioner 17, a solenoid valve 12, and a position holding valve 15. The gas source is connected sequentially to the gas source filter and pressure reducing valve 10, the gas path distributor 11, and the gas path amplifier 13 via pipelines. The gas path amplifier 13 is then connected to the gas path quick exhaust valve 18 and the position holding valve 15. The gas path quick exhaust valve 18 and the position holding valve 15 are connected to the valve actuator 5. The gas path quick exhaust valve 18 and the position holding valve 15 are connected to the actuator 5 via the explosion-proof bypass pipe 8. Mechanism 5 is connected, the gas distributor 11 is connected to the solenoid valve 12 and the gas quick exhaust valve 18, the positioner 17 is connected to the gas distributor 11 and the amplifier, and the signal line 9 of the positioner 17 is connected to the position sensor of the valve body 7; the positioner 17 is an intelligent valve positioner 17, which monitors the operating status of the valve body 7 in real time through the intelligent diagnostic function of the intelligent valve positioner 17; the explosion-proof bypass pipe 8 is a DN32*1200 304 stainless steel explosion-proof flexible pipe, and the signal line 9 is a 4*0.5 square silicone high-temperature resistant and anti-interference strong signal line 9.

[0029] The valve pneumatic control section is connected to the position sensor of positioner 17 via a dedicated signal cable, and connected to the valve actuator 5 via an explosion-proof bypass pipe 8. This significantly reduces vibration interference to the pneumatic connection of the valve control section of positioner 17, ensuring the stability of the valve positioner 17 control system and reducing the failure rate. This improves the overall operating efficiency of the control system. Positioner 17 is an intelligent valve positioner. Its intelligent diagnostic function allows for real-time monitoring of the valve's operating status, timely detection and problem-solving, thus reducing maintenance costs. By reducing the impact of vibration on the intelligent valve positioner 17, the split-type intelligent valve positioner 17 technology significantly improves the stability of the air compressor vent valve system, reduces the failure rate, and further enhances the control accuracy and response speed of the air compressor vent valve system, thereby improving the overall system operating efficiency.

[0030] A further improvement is that the top of the vibration pipe 1 is provided with a fixed bracket 6 and a bracket 3, the actuator 5 is fixedly installed on the vibration pipe 1 through the fixed bracket 6, and the rear end of the actuator 5 is limited and supported by the bracket 3.

[0031] Generally, only one fixed bracket 6 needs to be installed on the vibrating pipe 1 for fixation. However, since the vibrating pipe 1 is in a long-term vibration environment, it is easy for it to sway back and forth and left and right during installation, which can lead to loosening of bolts and even breakage of valve stem. Therefore, a bracket 3 is used to limit and support the actuator 5 at the rear end to prevent the actuator 5 from swaying up and down and left and right during vibration, thus making its installation more secure.

[0032] A further improvement is made in that the bracket 3 includes a support rod 2 fixed at one end to the vibration pipe 1 and an arc-shaped support plate 4 provided on the support rod 2, and the end of the actuator 5 is supported and limited by the arc-shaped support plate 4.

[0033] The part that contacts the actuator 5 is an arc-shaped support plate 4. After the arc-shaped support plate 4 supports and partially wraps the bottom of the rear end of the actuator 5, it can achieve better limiting and fixing. Furthermore, the entire tail is not rigidly fixed, and can also make micro-movements within the allowable range and direction with vibration, thereby ensuring that the valve body 7 operates more stably.

[0034] A further improvement is that the support rod 2 is made of national standard galvanized U-shaped 10# channel steel, which is more convenient to source and provides greater firmness and stability during support.

[0035] The above embodiments are merely preferred embodiments of this application and should not be construed as limiting the scope of protection of this application. Any non-substantial changes and substitutions made by those skilled in the art based on this application shall fall within the scope of protection claimed by this application.

Claims

1. A vent valve for an air compressor suitable for high vibration, comprising a vibrating pipe (1) and an air compressor vent valve body disposed on the vibrating pipe (1), characterized in that: The air compressor vent valve body includes a valve body (7) disposed in the vibration pipe (1), an actuator (5) disposed at the top of the vibration pipe (1), a control unit (14) for controlling the actuator (5), and a fixed frame (19) for mounting the control unit (14). An explosion-proof bypass pipe (8) and a signal line (9) are provided between the control unit (14) and the actuator (5). The control unit (14) is separately connected to the actuator (5) through the explosion-proof bypass pipe (8) and the signal line (9). The control unit (14) is separately fixed by the fixed frame (19).

2. The vent valve for high-vibration air compressors according to claim 1, characterized in that: The explosion-proof bypass tube (8) is made of 304 stainless steel explosion-proof flexible tube DN32*1200, and the signal line (9) is made of silicone high temperature resistant and strong anti-interference 4*0.5 square signal line (9).

3. The vent valve for air compressors subject to high vibration according to claim 1, characterized in that: The fixed frame (19) includes a mounting panel (16) and two support feet (20) located at the bottom of the mounting panel (16), and the support feet (20) are provided with mounting holes (21).

4. A vent valve for air compressors subject to high vibration according to claim 3, characterized in that: The mounting panel (16) is made of 5mm thick hot-dip galvanized steel sheet, and the support foot (20) is an inverted T-shaped structure.

5. A vent valve for air compressors subject to high vibration according to claim 3, characterized in that: The control unit (14) includes a gas source filter pressure reducing valve (10), a gas path distributor (11), a gas path amplifier (13), a gas path quick exhaust valve (18), a positioner (17), a solenoid valve (12), and a position holding valve (15). The gas source is connected to the gas source filter pressure reducing valve (10), the gas path distributor (11), and the gas path amplifier (13) in sequence through pipelines. The gas path amplifier (13) is then connected to the gas path quick exhaust valve (18) and the position holding valve (15). The gas path quick exhaust valve (18) and the position holding valve (15) are connected to the gas source filter pressure reducing valve (10), the gas path distributor (11), and the gas path amplifier (13). The position-holding valve (15) is connected to the valve actuator (5). The air quick-release valve (18) and the position-holding valve (15) are connected to the actuator (5) through the explosion-proof bypass pipe (8). The air distributor (11) and the solenoid valve (12) are connected to the air quick-release valve (18). The positioner (17) and the air distributor (11) are connected to the amplifier. The signal line (9) of the positioner (17) is connected to the position sensor of the valve body (7).

6. A vent valve for air compressors subject to high vibration according to claim 5, characterized in that: The positioner (17) is an intelligent valve positioner (17), which monitors the operating status of the valve body (7) in real time through the intelligent diagnostic function of the intelligent valve positioner (17).

7. A vent valve for air compressors subject to high vibration according to claim 1, characterized in that: The top of the vibration pipe (1) is provided with a fixed bracket (6) and a bracket (3). The actuator (5) is fixedly installed on the vibration pipe (1) through the fixed bracket (6). The rear end of the actuator (5) is limited and supported by the bracket (3).

8. A vent valve for air compressors subject to high vibration according to claim 7, characterized in that: The bracket (3) includes a support rod (2) with one end fixed on the vibrating pipe (1) and an arc-shaped support plate (4) provided on the support rod (2). The end of the actuator (5) is supported and limited by the arc-shaped support plate (4).

9. A vent valve for air compressors subject to high vibration according to claim 8, characterized in that: The support rod (2) is made of national standard galvanized U-shaped 10# channel steel.

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