Air compressor air tank capable of automatically discharging sewage

Abstract

The utility model discloses an air tank of an automatic pollution discharge air compressor, which relates to the technical field of air compressors and comprises an air tank main body, an automatic pollution discharge unit and a monitoring control unit. The automatic sewage discharge device is provided with the reliable automatic sewage discharge unit, the gas tank main body has two vertical and horizontal placement modes, when the gas tank is folded or sewage in the gas tank reaches an early warning value, the hand pull rod frame is pulled up by a hand, and the gas tank main body can be erected, so that the sewage remaining in the gas tank main body can be automatically discharged downwards along the sewage discharge pipe; the complete discharge is ensured; the gas tank is further provided with a reliable monitoring control unit, liquid level sensors installed at equal intervals can monitor the internal water level when the gas tank body is in the vertical state and the horizontal state, the height of the liquid level is displayed through an indicator lamp, and a PLC is matched to automatically control opening and closing of an electromagnetic valve according to the storage amount of sewage; automatic control over the sewage storage amount is achieved, and the situation that the gas storage effect of the gas tank is affected due to excessive sewage storage in the tank is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to an automatic sewage discharge air compressor gas tank. Background Art

[0002] The air compressor air tank, also known as the compressed air storage tank, is a pressure vessel specially used to store compressed air. The role of the air tank in the air compression system is: buffering, making the air supply more stable, reducing the frequent start-up of the air compressor, and making it more conducive to removing water and dirt when the compressed air passes through the air tank; timely discharge of sewage in the tank can effectively avoid sewage occupying the volume of the air tank, thereby having an adverse effect on the air storage effect;

[0003] In the prior art, the gas tank used for the air compressor is often placed horizontally to facilitate moving to different positions for use. However, when placed horizontally, it is inconvenient to discharge sewage due to the large area of ​​the bottom of the tank and it is difficult to drain the sewage in the tank cleanly. In addition, the existing gas tank cannot automatically discharge sewage according to the amount of village-level sewage in the tank. For this reason, we propose an automatic sewage discharge air compressor tank. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an automatic sewage discharge air compressor tank with a reliable automatic sewage discharge unit. The gas tank body has two placement modes: upright and horizontal. The internal metal sheet can effectively separate the moisture in the exhaust gas of the air compressor and condense it into water droplets and remain in the tank body; when the gas storage tank is folded up or the internal sewage reaches the warning value, the gas tank body can be erected by pulling up the hand pull rod frame by hand, so that the sewage retained in the gas tank body can be automatically discharged downward along the sewage pipe, and the discharge is guaranteed to be complete; it also has a reliable monitoring control unit, and the equidistantly installed liquid level sensors can monitor the internal water level when the gas tank body is in both upright and horizontal states, and display the height of the liquid level through the indicator light. In conjunction with the PLC controller, it can automatically control the opening and closing of the solenoid valve according to the amount of sewage stored, thereby realizing automatic control of the sewage storage amount, avoiding excessive sewage accumulation in the tank and affecting the gas storage effect of the gas tank, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic sewage discharge air compressor gas tank, comprising a gas tank body, an automatic sewage discharge unit and a monitoring control unit;

[0006] Gas tank body: an air outlet pipe is fixedly connected to the right end, and an air inlet flange is fixedly connected to the outer side of the circumference of the gas tank body and at a position away from the air outlet pipe;

[0007] Automatic sewage discharge unit: comprising a support frame, a self-locking roller, a vertical support, a foot, a sewage pipe and a hand-pulled rod frame, three vertical supports are fixedly connected to the outer side of the circumference of the left end of the gas tank body, the inner sides of the three vertical supports are arc-shaped structures, and the arc-shaped ends are respectively fixedly connected to the left end curved surface and the circumferential side of the gas tank body, the outward ends of the vertical supports are fixedly connected with square foot seats, the top of the left end curved surface of the gas tank body is fixedly connected with a sewage pipe, the lower end of the outer side of the circumference of the gas tank body is fixedly connected with three support frames, the four support frames are diagonally distributed in a rectangular shape and the ends are vertically bent downward, and a self-locking roller is installed on the lower vertical section of each support frame, and a U-shaped and inverted hand-pulled rod frame is fixedly connected to the upper right side of the gas tank body;

[0008] Monitoring control unit: installed outside the circumference of the gas tank body.

[0009] The four support frames enable the gas tank body to be placed horizontally, the self-locking rollers enable the gas tank body to be easily moved and can be self-locked and fixed, the hand-pulled rod frame enables the user to pull the gas tank body for displacement, the air inlet flange is used to connect the gas pipeline of the compressor, and the gas discharged from the compressor enters the gas tank body along the air inlet flange, the gas is stored inside the gas tank body, and the dirty water vapor contained is removed, and then discharged outward along the air outlet pipe, the filtered dirty water vapor condenses into sewage, when the gas storage tank is put away or the internal sewage reaches the warning value, the hand-pulled rod frame can be pulled up by hand to erect the gas tank body, so that the sewage retained in the gas tank body can be automatically discharged downward along the sewage pipe, and the discharge is guaranteed to be complete, the three support frames cooperate with the bottom foot to stably support the gas tank body, the monitoring and control unit is used to monitor the storage amount of sewage inside the gas tank body, and can monitor the air pressure in the tank in real time, so that the operator can understand the status inside the gas tank body.

[0010] Furthermore, the automatic sewage discharge unit further comprises a solenoid valve and a manual switch, wherein the solenoid valve is installed between the sewage discharge pipe and the gas tank body, and the manual switch is installed at the middle position of the hand pull rod frame. The manual switch can manually control the start and stop of the solenoid valve, thereby realizing the opening and closing control of the sewage discharge pipe.

[0011] Furthermore, the monitoring control unit includes a liquid level sensor and a PLC controller. A group of liquid level sensors are equidistantly installed on the lower front side of the gas tank body, and another group of liquid level sensors are equidistantly installed on the outer end of the upper vertical bracket. Each group of liquid level sensors includes three. A PLC controller is installed at the right end of the upper vertical bracket, and each liquid level sensor is bidirectionally electrically connected to the PLC controller. The three liquid level sensors on the lower front side of the gas tank body are used to monitor the amount of sewage stored inside the gas tank body when it is placed horizontally. When the liquid level sensor on the front side detects sewage in the tank, it indicates that the sewage stored in the tank reaches half of the volume of the gas tank. After receiving the signal from the liquid level sensor, the PLC controller controls the solenoid valve to open, thereby avoiding excessive sewage accumulation in the tank and realizing automatic control of the amount of sewage storage. By erecting the gas tank body, all sewage in the tank can be automatically discharged. The three liquid level sensors installed at the upper vertical bracket are used to monitor the discharge progress of the internal sewage when the gas tank body is erected.

[0012] Furthermore, the monitoring control unit also includes an indicator light, and each liquid level sensor is equipped with an indicator light at one end facing outward, and the indicator light is bidirectionally electrically connected to the adjacent side liquid level sensor. The liquid level sensor controls the on and off of the indicator light, thereby displaying the liquid level of the stored sewage.

[0013] Furthermore, the monitoring control unit also includes a mounting sleeve, an air pressure monitor and a weighted plumb block. A cylindrical mounting sleeve is fixedly connected to the right front end of the gas tank body, and the air pressure monitor is rotatably connected inside the mounting sleeve. The detection end of the air pressure monitor extends to the inside of the gas tank body, and the end of the air pressure monitor extends outward from the mounting sleeve, and a weighted plumb block is fixedly connected to the lower side of the extended part. The mounting sleeve is used for the installation of the air pressure monitor, and the air pressure monitor can rotate in the mounting sleeve. Under the action of the weighted plumb block, the air pressure monitor can rotate with the upright or horizontal position of the gas tank body, and always maintain a good reading angle.

[0014] Furthermore, it also includes a metal sheet, and a plurality of metal sheets are fixedly connected in a circular array on the inner wall of the gas tank body, the metal sheets are perpendicular to the tangent of the inner wall of the gas tank body, and the width of the metal sheets is smaller than the radius of the gas tank body. After the gas discharged from the air compressor enters the gas tank body, the temperature of the gas will drop due to the large space inside the gas tank body, and the metal sheet on the inner wall can efficiently conduct the heat of the gas to the outer wall of the tank body, thereby further taking away the heat of the gas, so that water vapor can condense into water droplets on the surface of the metal sheet, thereby separating water from the gas, and ensuring that the dryness of the final discharged gas meets the standard.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. It has a reliable automatic sewage discharge unit. The gas tank body can be placed in two ways: upright and horizontal. The internal metal sheet can effectively separate the moisture in the exhaust gas of the air compressor and condense it into water droplets inside the tank body. When the gas tank is put away or the internal sewage reaches the warning value, the gas tank body can be erected by pulling up the hand pull rod frame, so that the sewage retained in the gas tank body can be automatically discharged downward along the sewage pipe, and the discharge is guaranteed to be complete.

[0017] 2. It has a reliable monitoring control unit. The level sensors installed at equal distances can monitor the internal water level when the gas tank is in both upright and horizontal states, and display the height of the liquid level through the indicator light. In conjunction with the PLC controller, it can automatically control the opening and closing of the solenoid valve according to the amount of sewage stored, thereby realizing automatic control of the amount of sewage stored, and avoiding excessive sewage accumulation in the tank that affects the gas storage effect of the gas tank;

[0018] 3. The utility model has a reliable automatic sewage discharge unit. The gas tank body has two placement modes: upright and horizontal. The internal metal sheet can effectively separate the moisture in the exhaust gas of the air compressor, and condense it into water droplets and remain inside the tank body. When the gas storage tank is folded up or the internal sewage reaches the warning value, the gas tank body can be erected by pulling up the hand pull rod frame, so that the sewage retained in the gas tank body can be automatically discharged downward along the sewage pipe, and the discharge is guaranteed to be complete. It also has a reliable monitoring control unit. The equidistantly installed liquid level sensors can monitor the internal water level when the gas tank body is in both upright and horizontal states, and display the height of the liquid level through the indicator light. In conjunction with the PLC controller, it can automatically control the opening and closing of the solenoid valve according to the amount of sewage, thereby realizing automatic control of the sewage accumulation amount and avoiding excessive sewage accumulation in the tank affecting the gas storage effect of the gas tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the horizontal lying angle of the utility model;

[0020] Figure 2 A structural schematic diagram of the utility model to establish an angle;

[0021] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0022] In the figure: 1 gas tank body, 2 air inlet flange, 3 air outlet pipe, 4 automatic sewage discharge unit, 41 support frame, 42 self-locking roller, 43 vertical bracket, 44 foot seat, 45 sewage discharge pipe, 46 hand pull rod frame, 47 solenoid valve, 48 manual switch, 5 monitoring control unit, 51 liquid level sensor, 52 indicator light, 53 PLC controller, 54 installation sleeve, 55 air pressure monitor, 56 weight block, 6 metal sheet. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 3 , This embodiment provides a technical solution: an automatic sewage discharge air compressor gas tank, including a gas tank body 1, an automatic sewage discharge unit 4 and a monitoring control unit 5;

[0025] The gas tank body 1: the right end is fixedly connected with an air outlet pipe 3, and the outer side of the circumference of the gas tank body 1 and the position away from the air outlet pipe 3 is fixedly connected with an air inlet flange 2;

[0026] Automatic sewage discharge unit 4: includes a support frame 41, a self-locking roller 42, a vertical support 43, a foot 44, a sewage pipe 45 and a hand-pull rod frame 46. Three vertical supports 43 are fixedly connected to the outer side of the circumference of the left end of the gas tank body 1. The inner sides of the three vertical supports 43 are arc-shaped structures, and the arc-shaped ends are respectively fixedly connected to the left end curved surface and the circumferential side of the gas tank body 1. The outward end of the vertical support 43 is fixedly connected with a square foot 44. The top of the left end curved surface of the gas tank body 1 is fixedly connected with a sewage pipe 45. The lower end of the outer side of the circumference of the gas tank body 1 is fixedly connected with three support frames 41. The four support frames 41 are diagonally distributed in a rectangular shape and the ends are vertically bent downward. A self-locking roller 42 is installed on the lower vertical section of each support frame 41. A U-shaped and inverted hand-pull rod frame 46 is fixedly connected to the upper right side of the gas tank body 1.

[0027] Monitoring control unit 5: installed outside the circumference of the gas tank body 1.

[0028] The four support frames 41 enable the gas tank body 1 to be placed horizontally, the self-locking rollers 42 enable the gas tank body 1 to be easily moved and can be self-locked and fixed, the hand pull rod frame 46 can facilitate the user to pull the gas tank body 1 to move, the air inlet flange 2 is used to connect the gas pipeline of the compressor, and the gas discharged from the compressor enters the gas tank body 1 along the air inlet flange 2, the gas is stored inside the gas tank body 1, and the dirty water vapor contained is removed, and then it is discharged outward along the air outlet pipe 3, and the filtered dirty water vapor is cooled Condensed sewage, when the gas storage tank is put away or the internal sewage reaches the warning value, the gas tank body 1 can be erected by pulling up the hand pull rod frame 46, so that the sewage retained in the gas tank body 1 can be automatically discharged downward along the sewage pipe 45, and the discharge is guaranteed to be complete. The three support frames 41 can stably support the gas tank body 1, and the monitoring control unit 5 is used to monitor the accumulation of sewage in the gas tank body 1, and can monitor the air pressure in the tank in real time, so that the operator can understand the internal status of the gas tank body 1.

[0029] The automatic sewage discharge unit 4 further includes a solenoid valve 47 and a manual switch 48. The solenoid valve 47 is installed between the sewage discharge pipe 45 and the gas tank body 1, and the manual switch 48 is installed at the middle position of the hand pull rod frame 46. The manual switch 48 can manually control the start and stop of the solenoid valve 47, thereby realizing the opening and closing control of the sewage discharge pipe 45.

[0030] The monitoring and control unit 5 includes a liquid level sensor 51 and a PLC controller 53. A group of liquid level sensors 51 are equidistantly installed on the lower front side of the gas tank body 1, and another group of liquid level sensors 51 are equidistantly installed on the outer end of the upper vertical bracket 43. Each group of liquid level sensors 51 includes three. A PLC controller 53 is installed at the right end position of the upper vertical bracket 43, and each liquid level sensor 51 is bidirectionally electrically connected to the PLC controller 53. The three liquid level sensors 51 on the lower front side of the gas tank body 1 are used to monitor the amount of sewage accumulated inside the gas tank body 1 when it is placed horizontally. When the liquid level sensor 51 on the front side detects sewage in the tank, it means that the sewage accumulated in the tank reaches half of the volume of the gas tank. After receiving the signal from the liquid level sensor 51, the PLC controller 53 controls the solenoid valve 47 to open, thereby avoiding excessive accumulation of sewage in the tank and realizing automatic control of the amount of sewage accumulation. By erecting the gas tank body 1, all the sewage in the tank can be automatically discharged. The three liquid level sensors 51 installed at the upper vertical bracket 43 are used to monitor the discharge progress of the internal sewage when the gas tank body 1 is erected.

[0031] The monitoring control unit 5 also includes an indicator light 52. Each liquid level sensor 51 is provided with an indicator light 52 at one end facing outward, and the indicator light 52 is bidirectionally electrically connected to the adjacent side liquid level sensor 51. The liquid level sensor 51 controls the on and off of the indicator light 52, thereby displaying the liquid level of the stored sewage.

[0032] The monitoring control unit 5 also includes a mounting sleeve 54, an air pressure monitor 55 and a weighted drop block 56. A cylindrical mounting sleeve 54 is fixedly connected to the right position of the front end of the gas tank body 1. The air pressure monitor 55 is rotatably connected inside the mounting sleeve 54. The detection end of the air pressure monitor 55 extends to the inside of the gas tank body 1. The end of the air pressure monitor 55 extends outward from the mounting sleeve 54, and a weighted drop block 56 is fixedly connected to the lower side of the extended part. The mounting sleeve 54 is used for the installation of the air pressure monitor 55. The air pressure monitor 55 can rotate inside the mounting sleeve 54. Under the action of the weighted drop block 56, the air pressure monitor 55 can rotate with the upright or horizontal position of the gas tank body 1, and always maintain a good reading angle.

[0033] It also includes a metal sheet 6. A plurality of metal sheets 6 are fixedly connected in a circular array on the inner wall of the gas tank body 1. The metal sheets 6 are perpendicular to the tangent of the inner wall of the gas tank body 1, and the width of the metal sheets 6 is smaller than the radius of the gas tank body 1. After the gas discharged from the air compressor enters the gas tank body 1, the temperature of the gas will drop due to the large space inside the gas tank body 1, and the metal sheet 6 on the inner wall can efficiently conduct the heat of the gas to the outer wall of the tank body, thereby further taking away the heat of the gas, so that water vapor can condense into water droplets on the surface of the metal sheet 6, thereby separating water from the gas, and ensuring that the dryness of the final discharged gas meets the standard.

[0034] The working principle of the automatic sewage discharge air compressor tank provided by the utility model is as follows: the air compressor tank has a reliable automatic sewage discharge unit 4, and the air inlet flange 2 is used to connect the air supply pipeline of the compressor. The gas discharged from the compressor enters the inside of the gas tank body 1 along the air inlet flange 2, and the gas is stored inside the gas tank body 1, and the dirty water vapor contained is removed, and then discharged outward along the air outlet pipe 3, and the filtered dirty water vapor is condensed into sewage; after the gas discharged by the air compressor enters the gas tank body 1, due to the large space inside the gas tank body 1, the temperature of the gas will drop, and the metal sheet 6 on the inner wall can efficiently conduct the heat of the gas to the outer wall of the tank body, thereby further taking away the heat of the gas, so that the water vapor can condense into water droplets on the surface of the metal sheet 6, thereby separating the water from the gas, ensuring that the final exhaust gas is of a dry degree that meets the standard; the gas tank body 1 has two placement methods: upright and horizontal, and the metal inside The thin plate 6 can effectively separate the moisture in the exhaust gas of the air compressor and condense it into water droplets and remain inside the tank body; when the gas storage tank is put away or the internal sewage reaches the warning value, the hand pull rod frame 46 can be pulled up by hand to stand the gas tank body 1 upright, so that the sewage retained in the gas tank body 1 can be automatically discharged downward along the sewage pipe 45, and the discharge is complete: the four support frames 41 enable the gas tank body 1 to be placed horizontally, the self-locking rollers 42 enable the gas tank body 1 to be easy to move, and can be self-locking and fixed, the hand pull rod frame 46 can facilitate the user to pull the gas tank body 1 to move, when the gas storage tank is put away or the internal sewage reaches the warning value, the hand pull rod frame 46 can be pulled up by hand to stand the gas tank body 1 upright, so that the sewage retained in the gas tank body 1 can be automatically discharged downward along the sewage pipe 45, and the discharge is complete, and the three support frames 41 cooperate with the bottom foot 44 to stably support the gas tank body 1.The air compressor tank also has a reliable monitoring control unit 5. The equidistantly installed liquid level sensors 51 can monitor the internal water level when the gas tank body 1 is in both upright and horizontal states, and display the height of the liquid level through the indicator light 52. In conjunction with the PLC controller 53, it can automatically control the opening and closing of the solenoid valve 47 according to the amount of sewage stored, thereby realizing automatic control of the amount of sewage stored, and avoiding excessive sewage accumulation in the tank and affecting the gas storage effect of the gas tank: a group of liquid level sensors 51 are equidistantly installed on the lower front side of the gas tank body 1, and another group of liquid level sensors 51 are equidistantly installed on the outer end of the vertical bracket 43 on the upper side, and each group of liquid level sensors 51 includes three; the three liquid level sensors 51 on the lower front side of the gas tank body 1 are used to monitor the amount of sewage stored in the gas tank body 1 when it is placed horizontally. When the front liquid level sensor 51 detects sewage in the tank When , it means that the sewage accumulated in the tank reaches half of the volume of the gas tank. After receiving the signal from the liquid level sensor 51, the PLC controller 53 controls the solenoid valve 47 to open, thereby avoiding excessive accumulation of sewage in the tank and realizing automatic control of the sewage accumulation amount. By erecting the gas tank body 1, all the sewage in the tank body can be automatically discharged. The three liquid level sensors 51 installed at the upper vertical bracket 43 are used to monitor the discharge progress of the internal sewage when the gas tank body 1 is erected; the liquid level sensor 51 controls the on and off of the indicator light 52, thereby displaying the liquid level of the accumulated sewage. The mounting sleeve 54 is used for the installation of the air pressure monitor 55. The air pressure monitor 55 can rotate in the mounting sleeve 54. Under the action of the weight block 56, the air pressure monitor 55 can rotate with the erection or lying of the gas tank body 1, and always maintain a good reading angle.

[0035] It is worth noting that the manual switch 48 and the PLC controller 53 disclosed in the above embodiments control the operation of the solenoid valve 47 by adopting methods commonly used in the prior art.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Automatic sewage discharge air compressor tank, characterized by: It comprises a gas tank body (1), an automatic sewage discharge unit (4) and a monitoring control unit (5); The gas tank body (1): the right end portion is fixedly connected to an air outlet pipe (3), and an air inlet flange (2) is fixedly connected to the outer side of the circumference of the gas tank body (1) and at a position away from the air outlet pipe (3); The automatic sewage discharge unit (4) comprises a support frame (41), a self-locking roller (42), a vertical bracket (43), a footrest (44), a sewage discharge pipe (45) and a hand-pulled rod frame (46). Three vertical brackets (43) are fixedly connected to the outer side of the circumference of the left end of the gas tank body (1). The inner sides of the three vertical brackets (43) are arc-shaped structures, and the arc ends are respectively fixedly connected to the left end curved surface and the circumference of the gas tank body (1). The outward end of the vertical bracket (43) is fixed. A square foot seat (44) is connected, a sewage pipe (45) is fixedly connected to the top of the left curved surface of the gas tank body (1), three support frames (41) are fixedly connected to the lower end of the outer circumference of the gas tank body (1), the four support frames (41) are diagonally distributed in a rectangular shape and the ends are bent vertically downward, and a self-locking roller (42) is installed on the lower vertical section of each support frame (41), and a U-shaped and inverted hand pull rod frame (46) is fixedly connected to the upper right side of the gas tank body (1); Monitoring control unit (5): installed outside the circumference of the gas tank body (1).

2. The automatic sewage discharge air compressor cylinder according to claim 1, characterized in that: The automatic sewage discharge unit (4) further comprises a solenoid valve (47) and a manual switch (48); the solenoid valve (47) is installed between the sewage discharge pipe (45) and the gas tank body (1); and the manual switch (48) is installed at the middle position of the hand pull rod frame (46).

3. The automatic sewage discharge air compressor cylinder according to claim 1 is characterized in that: The monitoring control unit (5) comprises a liquid level sensor (51) and a PLC controller (53). A group of liquid level sensors (51) are equidistantly installed on the lower front side of the gas tank body (1). Another group of liquid level sensors (51) are equidistantly installed on the outer end of the upper vertical bracket (43). Each group of liquid level sensors (51) comprises three liquid level sensors. A PLC controller (53) is installed at the right end of the upper vertical bracket (43). Each liquid level sensor (51) is bidirectionally electrically connected to the PLC controller (53).

4. The automatic sewage discharge air compressor cylinder according to claim 3 is characterized in that: The monitoring control unit (5) further comprises an indicator light (52). An indicator light (52) is installed on the outward end of each liquid level sensor (51), and the indicator light (52) is bidirectionally electrically connected to the adjacent side liquid level sensor (51).

5. The automatic sewage discharge air compressor cylinder according to claim 1 is characterized in that: The monitoring control unit (5) further comprises a mounting sleeve (54), an air pressure monitor (55) and a weighted drop block (56). A cylindrical mounting sleeve (54) is fixedly connected to the right position of the front end of the gas tank body (1). The mounting sleeve (54) is rotatably connected to the inside of the mounting sleeve (54). The detection end of the air pressure monitor (55) extends into the inside of the gas tank body (1). The end of the air pressure monitor (55) extends outward from the mounting sleeve (54), and a weighted drop block (56) is fixedly connected to the lower side of the extended portion.

6. The automatic sewage discharge air compressor cylinder according to claim 1, characterized in that: It also comprises a metal sheet (6), wherein a plurality of metal sheets (6) are fixedly connected in a circular array on the inner wall of the gas tank body (1), the metal sheets (6) are perpendicular to the tangent line of the inner wall of the gas tank body (1), and the width of the metal sheets (6) is smaller than the radius of the gas tank body (1).

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