CN220416419U - Experimental device for detecting leakage quantity of breather valve - Google Patents
Experimental device for detecting leakage quantity of breather valve Download PDFInfo
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- CN220416419U CN220416419U CN202322000831.6U CN202322000831U CN220416419U CN 220416419 U CN220416419 U CN 220416419U CN 202322000831 U CN202322000831 U CN 202322000831U CN 220416419 U CN220416419 U CN 220416419U
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- stabilizing tank
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- 239000004698 Polyethylene Substances 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of breather valves, and provides an experimental device for detecting the leakage quantity of a breather valve, which comprises a detected breather valve, wherein one end of the detected breather valve is provided with a measuring part, and the measuring part comprises a measuring pipe and a micropressure meter; the other end of the tested breather valve is provided with a pressure supply part, the pressure supply part comprises a pressure stabilizing tank, a rubber pipe, a pushing pipe, an aerodynamic source and a flowmeter, the pressure stabilizing tank is arranged on the side edge of the tested breather valve, the pushing pipe is arranged at the upper end of the pressure stabilizing tank, and the other end of the pushing pipe is connected with the aerodynamic source; the outer wall of the pressure stabilizing tank is provided with the rubber pipe, and the other end of the rubber pipe is connected with the tested breather valve. The experimental device for detecting the leakage quantity of the breather valve is beneficial to detecting whether the breather valve is leaked or not, and ensures the delivery quality of the breather valve.
Description
Technical Field
The utility model relates to the technical field of breather valves, in particular to an experimental device for detecting the leakage quantity of a breather valve.
Background
The storage tank is used for storing refined chemical substances such as acid and alkali, alcohol, gas, liquid and the like, and the storage tank is widely arranged in North China and is basically provided with: polyethylene storage tanks, polypropylene storage tanks, glass fiber reinforced plastic storage tanks, ceramic storage tanks, rubber storage tanks, stainless steel storage tanks, and the like;
the breather valve is a safe and energy-saving product for maintaining the air pressure balance of the storage tank and reducing the volatilization of the medium, and the breather valve fully utilizes the pressure bearing capacity of the storage tank to reduce the discharge of the medium, and the principle is that the weight of a positive and negative pressure valve disc is utilized to control the positive exhaust pressure and the negative suction pressure of the storage tank;
the breather valve needs to be detected before leaving the factory, but the existing detection equipment for detecting whether the breather valve leaks is lacking, so that the leaving quality of the breather valve cannot be guaranteed.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the experimental device for detecting the leakage quantity of the breather valve, which is beneficial to detecting whether the breather valve is leaked or not and guaranteeing the delivery quality of the breather valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the experimental device for detecting the leakage quantity of the breather valve comprises a detected breather valve, wherein one end of the detected breather valve is provided with a measuring part, the measuring part comprises a measuring pipe and a micropressure meter, and two ends of the measuring pipe are respectively connected with a gas storage tank and the micropressure meter;
the other end of the tested breather valve is provided with a pressure supply part, the pressure supply part comprises a pressure stabilizing tank, a rubber pipe, a pushing pipe, an aerodynamic source and a flowmeter, the pressure stabilizing tank is arranged on the side edge of the tested breather valve, the pushing pipe is arranged at the upper end of the pressure stabilizing tank, and the other end of the pushing pipe is connected with the aerodynamic source;
the rubber tube is arranged on the outer wall of the pressure stabilizing tank, and the other end of the rubber tube is connected with the tested breather valve; the outer wall of the rubber tube is provided with the flowmeter.
As an improved technical scheme, a valve is arranged on the outer wall of the measuring tube.
As an improved technical scheme, the lower end of the tested breather valve is provided with an experiment frame.
As an improved technical scheme, the upper end of the pressure stabilizing tank is provided with a pressure regulating pipe, and the outer wall of the pressure regulating pipe is provided with a pressure regulating valve.
As an improved technical scheme, the upper end of the surge tank is provided with a thermometer.
As an improved technical scheme, the outer wall of the surge tank is provided with a branch pipe, and the end part of the branch pipe is provided with a U-shaped micro-manometer.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
1. according to the scheme, the measured breather valve is arranged, one end of the measured breather valve is provided with the measuring part, the measuring part comprises the measuring pipe and the micro-pressure meter, and two ends of the measuring pipe are respectively connected with the air storage tank and the micro-pressure meter; the other end of the tested breather valve is provided with a pressure supply part, the pressure supply part comprises a pressure stabilizing tank, a rubber pipe, a pushing pipe, an aerodynamic source and a flowmeter, the pushing pipe is arranged at the upper end of the pressure stabilizing tank, and the other end of the pushing pipe is connected with the aerodynamic source; the rubber tube is arranged on the outer wall of the pressure stabilizing tank, and the other end of the rubber tube is connected with the tested breather valve; the flowmeter is arranged on the outer wall of the rubber tube; the structure is simple, the operation is convenient, whether the breather valve leaks or not is facilitated to be detected, and the delivery quality of the breather valve is guaranteed.
2. The upper end of the pressure stabilizing tank is provided with a pressure regulating pipe, and the outer wall of the pressure regulating pipe is provided with a pressure regulating valve; the pressure is convenient to adjust.
3. A thermometer is arranged at the upper end of the pressure stabilizing tank; the temperature sensor is used for detecting the temperature in the surge tank and improving the safety of the surge tank.
In summary, the experimental device for detecting the leakage of the breather valve provided by the utility model is beneficial to detecting whether the breather valve leaks or not; meanwhile, the device has the advantages of simple structure, convenient operation and high detection efficiency, and is favorable for popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will make brief description of the drawings used in the description of the embodiments or the prior art. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of an experimental device for detecting leakage of a breather valve;
FIG. 2 is a schematic view of a structure of a pressure supply part;
FIG. 3 is a schematic view of a placement unit 。
In the drawing, 1, a tested breather valve, 2, a measuring part, 21, a measuring pipe, 22, a micro-manometer, 23, a valve, 3, a pressure supply part, 31, a surge tank, 32, a rubber pipe, 33, a push pipe, 34, an aerodynamic source, 35, a flowmeter, 4, an experiment frame, 5, a pressure regulating pipe, 51, a pressure regulating valve, 6, a thermometer, 7, a branch pipe, 71 and a U-shaped micro-manometer.
Detailed Description
The technical scheme of the utility model will be described in detail below with reference to specific embodiments. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
As shown in fig. 1-3, the utility model provides an experimental device for detecting leakage of a breather valve, which comprises a detected breather valve 1, wherein an experimental frame 4 is arranged at the lower end of the detected breather valve 1, and the experimental frame 4 is used for installing the detected breather valve 1, so that the experimental device is convenient to test;
one end of the measured breather valve 1 is provided with a measuring part 2, the measuring part 2 comprises a measuring tube 21 and a micro-pressure meter 22, and two ends of the measuring tube 21 are respectively connected with an air storage tank and the micro-pressure meter 22; the valve 23 is arranged on the outer wall of the measuring tube 21;
the micro-manometer 22 is a manometer for measuring micro pressure, negative pressure or differential pressure, the sensitivity and the accuracy of the manometer are very high, and the manometer can be generally accurate to 0.1mm H2O, and can also reach 0.01mm H2O;
the micropressure meter 22 uses the following steps:
1. pushing a switch of the micro-pressure meter 22 held ON the left side to ON, electrifying the instrument, and displaying ON a display screen;
2. the micro-pressure meter 22 should be preheated for 5-15 min after being electrified to measure, otherwise, the measurement reading is inaccurate. After preheating for 5-15 min, displaying digital random jump on the screen to indicate that the battery is low in electric quantity and replacing the battery. If the number is stable after preheating for 5-15 min, the measurement can be carried out;
3. at this point, the right switch of the micro-gauge 22 is pressed, causing the display to display a zero number.
4. One end of each latex tube 32 is connected to the negative pressure connector on the left side and the positive pressure connector on the right side of the top end of the micro-manometer 22. Placing the other end of the latex tube 32 on the positive pressure joint at the tested part; the other end of the latex tube 32 on the negative pressure tap is placed at the normal pressure position.
5. The display value on the screen of the micropressure meter 22 is observed, and after stabilization, the value is read and recorded.
The other end of the tested breather valve 1 is provided with a pressure supply part 3, the pressure supply part 3 comprises a pressure stabilizing tank 31, a rubber pipe 32, a pushing pipe 33, an aerodynamic source 34 and a flowmeter 35, the pressure stabilizing tank 31 is arranged on the side edge of the tested breather valve 1, the upper end of the pressure stabilizing tank 31 is provided with the pushing pipe 33, and the other end of the pushing pipe 33 is connected with the aerodynamic source 34; the aerodynamic source 34 pushes air in the pressure stabilizing tube to enter the tested breather valve 1;
a rubber tube 32 is arranged on the outer wall of the pressure stabilizing tank 31, and the other end of the rubber tube 32 is connected with the tested breather valve 1; the outer wall of the rubber tube 32 is provided with a flowmeter 35;
the flow meter is further divided into differential pressure type flow meter, rotameter, throttle type flow meter, slit flow meter, volumetric flow meter, electromagnetic flow meter, ultrasonic flow meter, turbine flow meter, vortex shedding flow meter, etc. Classified by medium: a liquid flow meter, a gas flow meter, a steam flow meter 35, and a solid flow meter;
the upper end of the surge tank 31 is provided with a pressure regulating pipe 5, and the outer wall of the pressure regulating pipe 5 is provided with a pressure regulating valve 51.
The upper end of the surge tank 31 is provided with a thermometer 6; for detecting the inside of the surge tank 31, improving the safety of the surge tank 31;
the outer wall of the surge tank 31 is provided with a branch pipe 7, and the end part of the branch pipe 7 is provided with a U-shaped micro-manometer 71; the pressure detection is performed inside the surge tank 31;
the breather valve leakage amount experimental process comprises the following steps:
when an experiment is carried out, the leakage test pressure is 0.75 times of the opening pressure, the pressure value is read in the micro-manometer 22, the leakage amount is the difference between the readings of the front flowmeter 35 and the rear flowmeter 35, the accuracy grade of the flowmeter 35 is 0.5 grade to 1.0 grade, the leakage test pressure is measured and read once per minute, the leakage test pressure is three times, the arithmetic average value is taken, and the result meets fixed data;
when the all-weather breather valve is in a low-temperature state and pressure is opened for testing, the breather valve 1 to be tested is arranged on the experiment frame 4, the experiment frame 4 is placed in the low-temperature box 41, and when the temperature of the low-temperature box 41 is reduced to-14 degrees to-15 degrees, normal-temperature air with the relative humidity not lower than 70% is continuously input into the breather valve and the low-temperature box 41 at the same time;
before the valve disc is opened, the internal and external frosting is achieved, the temperature in the low-temperature box 41 is reduced to minus 30 degrees, after 24 hours of constant temperature, one side of the experiment frame 4 is connected with the micro-pressure gauge 22, and the other side of the experiment frame is connected with the aerodynamic source 34 through the pressure stabilizing tank 31 storing normal-temperature air, so that an opening pressure experiment is carried out.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (6)
1. Detect breather valve leakage quantity experimental apparatus, its characterized in that: the device comprises a tested breather valve, wherein one end of the tested breather valve is provided with a measuring part, the measuring part comprises a measuring pipe and a micropressure meter, and two ends of the measuring pipe are respectively connected with an air storage tank and the micropressure meter;
the other end of the tested breather valve is provided with a pressure supply part, the pressure supply part comprises a pressure stabilizing tank, a rubber pipe, a pushing pipe, an aerodynamic source and a flowmeter, the pressure stabilizing tank is arranged on the side edge of the tested breather valve, the pushing pipe is arranged at the upper end of the pressure stabilizing tank, and the other end of the pushing pipe is connected with the aerodynamic source;
the rubber tube is arranged on the outer wall of the pressure stabilizing tank, and the other end of the rubber tube is connected with the tested breather valve; the outer wall of the rubber tube is provided with the flowmeter.
2. The experimental device for detecting leakage of a breather valve according to claim 1, wherein: the outer wall of the measuring tube is provided with a valve.
3. The experimental device for detecting leakage of a breather valve according to claim 1, wherein: the lower end of the tested breather valve is provided with an experiment frame.
4. The experimental device for detecting leakage of a breather valve according to claim 1, wherein: the upper end of the pressure stabilizing tank is provided with a pressure regulating pipe, and the outer wall of the pressure regulating pipe is provided with a pressure regulating valve.
5. The experimental device for detecting leakage of a breather valve according to claim 1, wherein: the upper end of the pressure stabilizing tank is provided with a thermometer.
6. The experimental device for detecting leakage of a breather valve according to claim 1, wherein: the outer wall of the surge tank is provided with a branch pipe, and the end part of the branch pipe is provided with a U-shaped micro-manometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322000831.6U CN220416419U (en) | 2023-07-28 | 2023-07-28 | Experimental device for detecting leakage quantity of breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322000831.6U CN220416419U (en) | 2023-07-28 | 2023-07-28 | Experimental device for detecting leakage quantity of breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416419U true CN220416419U (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322000831.6U Active CN220416419U (en) | 2023-07-28 | 2023-07-28 | Experimental device for detecting leakage quantity of breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416419U (en) |
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2023
- 2023-07-28 CN CN202322000831.6U patent/CN220416419U/en active Active
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