Self-drainage device of gas storage tank

Abstract

The utility model provides a self-drainage device of a gas storage tank, and belongs to the technical field of machinery. The problem of poor stability in the prior art is solved. The self-drainage device of the gas storage tank is located on the lower portion of a tank body and comprises a drainage pipe, a delay electric control valve, a manual valve and a sensor, the drainage pipe is vertically arranged, the upper end of the drainage pipe is fixedly connected to the lower portion of the tank body, the drainage pipe is communicated with an inner cavity of the tank body, and the manual valve is fixedly connected to the lower end of the drainage pipe. The delay electric control valve is connected to the middle of the drainage pipe in series and is closed in the initial state, the sensor is connected to the tank body and can detect the water level in the tank body, and water level information detected by the sensor can be sent to the delay electric control valve. The self-drainage device of the gas storage tank is high in stability.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical technology and relates to a self-draining device for a gas storage tank. Background Technology

[0002] After a period of use, the gas storage tank needs to be cleaned, and the wastewater inside the tank needs to be drained after cleaning.

[0003] To facilitate drainage and ensure the normal use of the gas storage tank, a drain pipe and a valve to control the opening and closing of the drain pipe are usually installed at the bottom of the gas storage tank.

[0004] During the cleaning process, water needs to remain inside the tank for a set time to ensure a thorough cleaning. Within this set time, the tank interior is fully immersed, facilitating the removal of contaminants during subsequent cleaning.

[0005] Initially, the valve closes the drain tank. In actual operation, the timing of opening the valve after the tank is filled with water is entirely determined by the operator, and the soaking time inside the tank is entirely manually controlled, resulting in poor operational accuracy. Summary of the Invention

[0006] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a self-draining device for a gas storage tank that is highly stable and has a compact structure.

[0007] The objective of this utility model can be achieved through the following technical solutions:

[0008] A self-draining device for a gas storage tank, the gas storage tank comprising a cylindrical tank body placed horizontally, characterized in that the device is located at the lower part of the tank body and includes a drain pipe, a time-delayed electrically controlled valve, a manual valve, and a sensor. The drain pipe is vertically arranged, the upper end of the drain pipe is fixedly connected to the lower part of the tank body and communicates with the inner cavity of the tank body, the manual valve is fixedly connected to the lower end of the drain pipe, the time-delayed electrically controlled valve is connected in series in the middle of the drain pipe and is initially closed, the sensor is connected to the tank body and can detect the water level in the tank body, the water level information detected by the sensor can be sent to the time-delayed electrically controlled valve, and when the time-delayed electrically controlled valve receives the information sent by the sensor, it can open the time-delayed electrically controlled valve after a set time.

[0009] In the self-draining device of the aforementioned gas storage tank, two branch pipes are connected in parallel in the middle of the drain pipe, and each branch pipe is equipped with a time-delayed electrically controlled valve.

[0010] The self-drainage device of the aforementioned gas storage tank also includes a vertically installed and transparent water level pipe. The upper and lower ends of the water level pipe are fixed to the end of the tank body and the water level pipe communicates with the inner cavity of the tank body. The water level pipe contains a float ball. The sensor is a photoelectric sensor fixed to the tank body and adjacent to the water level pipe. When the float ball approaches the sensor, the sensor can send a trigger signal.

[0011] In the self-drainage device of the aforementioned gas storage tank, an indicator plate is also fixedly connected to the end of the tank body. The indicator plate is adjacent to the water level pipe and has numerical scale markings along the length of the water level pipe.

[0012] In the self-draining device of the aforementioned gas storage tank, the two ends of the water level pipe have connecting sections that bend to the same side, and the connecting sections are fixed to the end of the tank body.

[0013] In the self-drainage device of the aforementioned gas storage tank, the marking plate has a recessed positioning groove in the middle, the water level pipe is embedded in the positioning groove, and the marking plate is pressed tightly between the water level pipe and the tank body.

[0014] In the self-draining device of the aforementioned gas storage tank, the upper ends of the label plate abut against two connecting sections respectively.

[0015] In the self-draining device of the aforementioned gas storage tank, a flexible gasket is provided at the positioning groove, and the gasket is pressed tightly between the positioning groove of the water level pipe and the marking plate.

[0016] In the self-draining device of the aforementioned gas storage tank, a limiting ring is connected to the end of the water level pipe, and the aforementioned float can abut against the limiting ring.

[0017] In the self-draining device of the aforementioned gas storage tank, the limiting ring is cylindrical and the thread of the limiting ring is threadedly connected to the end of the water level pipe.

[0018] Compared with existing technologies, the self-drainage device of this gas storage tank prevents the sensor from being triggered because the float is always located at the bottom of the water level pipe when the gas medium is stored in the tank.

[0019] When the tank contains an appropriate amount of water for cleaning, the float ball floats on the water level pipe. At this time, the sensor is triggered, and the sensor controls the delayed electronic valve to operate, ultimately achieving stable drainage.

[0020] Of course, it is important to avoid filling the tank with water for too long during the cleaning process.

[0021] Meanwhile, the manual valve further enhances its stability and safety, preventing accidental opening of the drain pipe. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the self-drainage device of this gas storage tank.

[0023] Figure 2 This is a partial structural diagram of the self-drainage device of this gas storage tank.

[0024] Figure 3 This is a cross-sectional schematic diagram of the water level pipe in the self-draining device of this gas storage tank.

[0025] In the diagram, 1 is the tank body; 2 is the drain pipe; 2a is the branch pipe; 3 is the time-delay solenoid valve; 4 is the manual valve; 5 is the sensor; 6 is the water level pipe; 6a is the connecting section; 7 is the float; 9 is the indicator plate; 9a is the positioning groove; and 10 is the limit ring. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] It should be noted that when a component is said to be "mounted on" another component, it can be directly mounted on the other component or may be interspersed with a component. When a component is said to be "set on" another component, it can be directly set on the other component or may be interspersed with a component. When a component is said to be "fixed to" another component, it can be directly fixed to the other component or may be interspersed with a component.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] like Figure 1 As shown, the gas storage tank includes a cylindrical tank body 1 placed horizontally.

[0030] like Figure 1 and Figure 2 and Figure 3As shown, the self-draining device of this gas storage tank is located at the lower part of the tank body 1, including a drain pipe 2, a time-delayed solenoid valve 3, a manual valve 4, and a sensor 5. The drain pipe 2 is vertically arranged, and its upper end is fixed to the lower part of the tank body 1 and communicates with the inner cavity of the tank body 1. The manual valve 4 is fixed to the lower end of the drain pipe 2. The time-delayed solenoid valve 3 is connected in series in the middle of the drain pipe 2 and is initially closed. The sensor 5 is connected to the tank body 1 and can detect the water level in the tank body 1. The water level information detected by the sensor 5 can be sent to the time-delayed solenoid valve 3. When the time-delayed solenoid valve 3 receives the information sent by the sensor 5, it can open the time-delayed solenoid valve 3.

[0031] When the gas storage tank is in normal use, the tank body 1 stores an appropriate amount of gas medium.

[0032] After prolonged use, dirt will accumulate inside the tank. It is usually necessary to soak the inside of the tank in clean water for a set time, followed by scraping or high-pressure water rinsing to remove the dirt.

[0033] In the initial state of this self-draining device, manual valve 4 is closed. When cleaning is required, manual valve 4 is opened.

[0034] After sensor 5 detects that there is an appropriate amount of water in tank 1, it sends a control signal to the time-delay solenoid valve 3. Upon receiving the signal, the time-delay solenoid valve 3 opens after a set time. During the time period between the closing and opening of the time-delay solenoid valve 3, tank 1 has been fully soaked, facilitating subsequent cleaning.

[0035] Since both the manual valve 4 and the time-delay solenoid valve 3 are open at this time, the clean water in the tank 1 and the sewage generated during the cleaning process are smoothly discharged through the drain pipe 2.

[0036] After the water in tank 1 is drained, sensor 5 detects the above signal and causes the time-delayed solenoid valve 3 to return to the closed state.

[0037] Of course, after the cleaning operation is completed, the operator needs to manually close the manual valve. Although the operator will operate the manual valve 4, this operation is for safety reasons and effectively increases its safety.

[0038] The drainage pipe 2 has two branch pipes 2a connected in parallel in the middle, and each branch pipe 2a has a time-delayed electric control valve 3.

[0039] The two time-delay solenoid valves 3 operate synchronously, and can still ensure normal operation even if one of the time-delay solenoid valves 3 fails.

[0040] It also includes a vertically installed and transparent water level pipe 6, the upper and lower ends of which are fixed to the end of the tank body 1 and the water level pipe 6 communicates with the inner cavity of the tank body 1. The water level pipe 6 has a float ball 7 inside. The sensor 5 is a photoelectric sensor fixed to the tank body 1 and adjacent to the water level pipe 6. When the float ball 7 approaches the sensor 5, the sensor 5 can send a trigger signal.

[0041] When the gas medium is stored in tank 1, the gas medium will enter the water level pipe 6, but the float 7 will always be at the bottom.

[0042] During the cleaning process, there is an appropriate amount of water in tank 1. The water enters the water level pipe 6, and the float 7 floats at the highest water level.

[0043] As can be seen, sensor 5 is not triggered when gas tank 1 is in normal use. Sensor 5 is only triggered when water enters tank 1.

[0044] An indicator plate 9 is also fixedly connected to the end of the tank body 1. The indicator plate 9 is adjacent to the water level pipe 6 and has digital scale markings along the length of the water level pipe 6.

[0045] The water level inside tank 1 can be viewed intuitively through the label 9.

[0046] The water level pipe 6 has connecting sections 6a that bend to the same side at both ends, and the connecting sections 6a are fixed to the end of the tank body 1.

[0047] The marking plate 9 has a recessed positioning groove 9a in the middle, the water level pipe 6 is embedded in the positioning groove 9a and the marking plate 9 is pressed tightly between the water level pipe 6 and the tank 1.

[0048] The upper ends of the signboard 9 abut against the two connecting sections 6a respectively.

[0049] Connector 6a has two functions:

[0050] First, the water level pipe 6 is stably connected to the end of the tank body 1;

[0051] Secondly, the signboard 9 is confined between the two connecting sections 6a.

[0052] The positioning groove 9a has a flexible gasket, which is pressed tightly between the water level pipe 6 and the positioning groove 9a of the marking plate 9.

[0053] The gasket is made of rubber. Under the action of the gasket, not only can the gap between the indicator plate 9 and the water level pipe 6 be eliminated, but the rigid contact between the water level pipe 6 and the indicator plate 9 can also be avoided.

[0054] A limiting ring 10 is connected to the end of the water level pipe 6, and the float 7 can abut against the limiting ring 10.

[0055] The limiting ring 10 is cylindrical and its threads are threaded to the end of the water level pipe 6.

[0056] The limiting ring 10 can limit the float 7 and prevent the float 7 from detaching from the water level pipe 6.

[0057] Because the float ball of this gas storage tank is always located at the bottom of the water level pipe when the gas medium is stored in the tank, the sensor cannot be triggered at this time.

[0058] When the tank contains an appropriate amount of water for cleaning, the float ball floats on the water level pipe. At this time, the sensor is triggered, and the sensor controls the delayed electronic valve to operate, ultimately achieving stable drainage.

[0059] Of course, it is important to avoid filling the tank with water for too long during the cleaning process.

[0060] Meanwhile, the manual valve further enhances its stability and safety, preventing accidental opening of the drain pipe.

[0061] The technical features of the above-described embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0062] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present utility model and are not intended to limit the present utility model. Any appropriate changes and variations made to the above embodiments within the scope of the essential spirit of the present utility model shall fall within the scope of protection claimed by the present utility model.

Claims

1. A self-draining device for a gas tank, the gas tank comprising a tank body in a cylindrical shape and placed laterally, characterized by, The device is located at the lower part of the tank, comprising a drain pipe, a delay electric control valve, a manual valve and a sensor, the drain pipe is vertically arranged, the upper end of the drain pipe is fixedly connected at the lower part of the tank and the drain pipe is communicated with the inner cavity of the tank, the manual valve is fixedly connected at the lower end of the drain pipe, the delay electric control valve is connected in series at the middle part of the drain pipe and the delay electric control valve is closed in the initial state, the sensor is connected on the tank and can detect the water level in the tank, the water level information detected by the sensor can be sent to the delay electric control valve, and the delay electric control valve can be in the open state after receiving the information sent by the sensor.

2. The self-draining device for gas holder according to claim 1, wherein Two branch pipes are connected in parallel at the middle part of the drain pipe, and each of the two branch pipes is provided with a delay electric control valve.

3. The self-draining device for gas holder according to claim 2, wherein A vertically arranged and transparent water level pipe is further included, the upper end and the lower end of the water level pipe are fixedly connected at the end of the tank and the water level pipe is communicated with the inner cavity of the tank, the water level pipe is provided with a floating ball, the sensor is a photoelectric sensor fixedly connected on the tank and adjacent to the water level pipe, and the sensor can send a trigger signal when the floating ball approaches the sensor.

4. The self-draining device for gas holder according to claim 3, wherein An identification plate is further fixedly connected at the end of the tank, the identification plate is adjacent to the water level pipe and provided with a digital scale mark along the length direction of the water level pipe.

5. The self-draining device for gas holder according to claim 4, wherein The two ends of the water level pipe are provided with a connecting section bent to the same side, and the connecting section is fixedly connected at the end of the tank.

6. The self-draining device for gas holder according to claim 5, wherein The middle part of the identification plate is provided with a recessed positioning groove, the water level pipe is embedded in the positioning groove, and the identification plate is tightly pressed between the water level pipe and the tank.

7. The self-draining device for gas holder according to claim 6, wherein The upper end of the identification plate is abutted against the two connecting sections respectively.

8. The self-draining device for gas holder according to claim 7, wherein The positioning groove is provided with a flexible gasket, and the gasket is tightly pressed between the water level pipe and the positioning groove of the identification plate.

9. The self-draining device for gas holder according to claim 8, wherein A limiting ring is connected at the end of the water level pipe, and the floating ball is abutted against the limiting ring.

10. The self-draining device for gas holder according to claim 9, wherein The limiting ring is in a cylindrical shape and the limiting ring is threadedly connected with the end of the water level pipe.

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