CN220231283U - Pressure test tool for pressure withstand experiment of pressure vessel with early end of pressure leakage - Google Patents

Abstract

The utility model relates to a pressure test fixture for a pressure vessel with a pressure leakage ending in advance, which relates to the technical field of pressure test equipment and comprises a vessel to be detected, a first pipeline and a second pipeline which are fixedly arranged on the vessel, wherein the outside of the second pipeline is connected with a conveying pipe through a flange, a first valve is arranged on the conveying pipe, the pressure vessel is fixedly connected with the first pipeline through the flange, and a gas pipeline is fixedly arranged on the pressure vessel.

Description

Pressure test tool for pressure withstand experiment of pressure vessel with early end of pressure leakage

Technical Field

The utility model relates to the technical field of pressure testing equipment, in particular to a pressure testing tool for a pressure withstand experiment of a pressure vessel with a leakage pressure ending in advance.

Background

The pressure vessel is a closed device for containing gas or liquid and bearing a certain pressure, and has wide application. After the production of the pressure container is finished, the pressure inside the pressure container is required to be detected, and because some pressure containers are fixed by welding, the welding seams must be ensured to be airtight;

the investigation shows that in the existing pressure detection method for the container, the water pressure detection mode is adopted, residual water in the subsequent container is difficult to clean after the water pressure detection is adopted, and the water in the container is difficult to clean by adopting an effective cleaning tool because the opening of the common container is smaller, so that the defect that the water is difficult to clean by adopting the water pressure detection is overcome.

Disclosure of Invention

Aiming at the technical problems that the existing pressure detection method for the container can detect the pressure in a water pressure detection mode and the defect that the pressure detection is difficult to clean exists in the water pressure detection mode, the utility model provides the pressure test tool for the pressure withstand experiment of the pressure container with the early end of pressure leakage.

The technical scheme adopted by the utility model is as follows: the utility model provides a leak pressure ends pressure vessel withstand voltage experiment pressure test fixture in advance, including the container jar and the first pipeline and the second pipeline of fixed mounting on the container jar that wait to detect, the outside of second pipeline has the conveyer pipe through flange joint, install first valve on the conveyer pipe, still include the booster duct, booster duct passes through flange and first pipeline fixed connection, fixed mounting has the gas transmission pipeline on the booster duct, install the bleeder on the gas transmission pipeline, install the solenoid valve on the bleeder, be equipped with pressure sensor in the booster duct, booster duct's outside still is equipped with the controller, the solenoid valve, pressure sensor all is with controller electric coupling.

Further, the outer part of the pressurizing pipeline is fixedly provided with a shell, and the controller is fixedly arranged in the shell.

Further, an indicator lamp is fixedly arranged outside the shell and electrically coupled with the controller.

Further, a pressure gauge is also installed on the pressurizing pipeline and used for detecting the pressure in the container tank.

Further, a second valve is arranged on the gas pipeline.

Further, the indicator light can be replaced by a light alarm.

Further, the gas transmission pipeline and the pressurizing pipeline are of an integrated structure.

The beneficial effects of the utility model are as follows:

compared with the prior art, the utility model can convey the pressurized gas into the container tank through the matching of the pressurizing pipe and the gas pipeline, increase the pressure in the container tank, and then carry out subsequent detection operation, and adopt gas detection, thereby being convenient and rapid, having no need of cleaning the inside of the container tank and being more convenient.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present utility model;

FIG. 2 is a schematic diagram of an axial structure of embodiment 1 of the present utility model;

FIG. 3 is a schematic view showing the internal structure of a pressurizing pipe in embodiment 1 of the present utility model;

fig. 4 is a schematic perspective view of a gas transmission pipeline in embodiment 1 of the present utility model;

fig. 5 is a block diagram of a control structure of a controller in embodiment 1 of the present utility model.

Marked in the figure as: 1. a container tank; 2. a first pipe; 3. a second pipe; 4. a delivery tube; 5. a first valve; 6. a pressurizing pipe; 7. a pressure gauge; 8. a housing; 9. an indicator light; 10. a gas line; 11. an electromagnetic valve; 12. a second valve; 13. a pressure sensor; 14. a controller; 15. and (5) air release pipe.

Detailed Description

Example 1

The utility model will be further described with reference to fig. 1-5.

In order to solve the problems in the background technology, the application provides the following technical scheme: pressure test tool for pressure withstand test of pressure vessel with early end of pressure leakage.

Comprising a container 1 to be inspected and a first pipe 2 and a second pipe 3 fixedly mounted on the container 1, the container 1 of the prior art is matched with the container 1, so that the first pipe 2 and the second pipe 3 are arranged on the container 1.

Further description of the technical scheme:

the outside of the second pipeline 3 is connected with a conveying pipe 4 through a flange and is used for conveying media in a container pipe, a first valve 5 is arranged on the conveying pipe 4 and is used for controlling the on-off of the conveying pipe 4, the valve can be purchased in the market for existing products, and the first valve 5 can be a butterfly valve.

For pressure detection, so still include at least one booster duct 6 in this application, set up a booster duct 6 in this application, and booster duct 6 passes through the cooperation of flange and bolt nut and first pipeline 2 detachable fixed connection, still fixed mounting has gas-supply pipeline 10 on booster duct 6, gas-supply pipeline 10 and booster duct 6 integrated into one piece structure, gas-supply pipeline 10 is used for carrying high-pressure gas to in the container jar 1, increase the internal pressure of container jar 1, install second valve 12 on the gas-supply pipeline 10, first valve 5 is the same with second valve 12 structure.

In order to release air in time, an air release pipe 15 is further arranged on the air transmission pipeline 10, an electromagnetic valve 11 is arranged on the air release pipe 15, when the electromagnetic valve 11 is opened, air is discharged, a pressure gauge 7 is further arranged on the pressurizing pipeline 6 and used for detecting the pressure in the container tank 1, and the pressure gauge 7 is an existing product and can be purchased in the market.

In a further design, a pressure sensor 13 is further arranged in the pressurizing pipe 6, the pressure sensor can extend into the container tank 1 and is used for detecting the pressure in the container tank 1, a controller 14 is further arranged outside the pressurizing pipe 6, the electromagnetic valve 11 and the pressure sensor 13 are electrically coupled with the controller 14, the pressure sensor 13 and the controller 14 are all existing products and can be purchased in the market, the outer part of the pressurizing pipe 6 is fixedly provided with the shell 8, the controller 14 is fixedly arranged in the shell 8, if the controller 14 can be programmable with the model number S7-200, and the pressure sensor 13 can be a pressure sensor 13 with the model number MIK-P300.

For further indication, an indicator lamp 9 is fixedly arranged outside the shell 8, the indicator lamp 9 is electrically coupled with a controller 14, and the indicator lamp 9 can be replaced by a light alarm;

the above technical solution is explained as follows, the gas is delivered into the container tank 1 for pressurization through the pneumatic booster pump arranged outside, meanwhile, the pressure value in the container tank 1 is obtained through observing the indication of the pressure gauge 7, and after the tested pressure value is reached, the second valve 12 and the pneumatic booster pump are closed; then the controller 14 and the pressure sensor 13 are electrified, the pressure in the container tank 1 is detected through the pressure sensor 13, the detection time (10-50 min is set according to the requirement), for example, 30min is set, if the pressure value in the container tank 1 detected by the pressure sensor 13 changes within 30min, the controller 14 turns on the indicator lamp 9 to light up to give an alarm, meanwhile, the electromagnetic valve 11 is automatically turned on, the gas in the container tank 1 is timely discharged through the gas discharge pipe 15, and an error range can be set, for example, the condition that the change in the value within a certain range does not give an alarm is avoided.

Specific reference is made to the following operations:

when pressure detection is needed, the first valve 5 is closed, and then the conveying pipe 4 is fixedly arranged at one end of the second pipeline 3 through bolts and flanges;

then the pressurizing pipeline 6 is fixedly connected with the first pipeline 2 through bolts and flanges, at the moment, the electromagnetic valve 11 is kept in a closed state, then one end of the gas pipeline 10 is fixedly connected with the output end of the pneumatic booster pump, gas is conveyed into the container tank 1 through the pneumatic booster pump to be pressurized, meanwhile, the pressure value in the container tank 1 is obtained through observing the indication of the pressure gauge 7, and after the tested pressure value is reached, the second valve 12 is closed and the pneumatic booster pump is closed;

then the controller 14 and the pressure sensor 13 are electrified, the pressure in the container tank 1 is detected through the pressure sensor 13, the detection time is set, for example, 30min, if the pressure value in the container tank 1 detected by the pressure sensor 13 changes, and the pressure value is reduced in 30min, the controller 14 starts the indicator lamp 9 to light up for alarming, meanwhile, the electromagnetic valve 11 is also automatically started, so that the gas in the container tank 1 is timely discharged through the gas discharge pipe 15, and then the subsequent overhaul is carried out, and whether a gas leakage port exists in the container tank 1 or a gas leakage condition exists at the interface of the first pipeline 2 and the second pipeline 3 is detected;

if no pressure change occurs within 30 minutes, the tank 1 is acceptable, and therefore the next tank 1 is inspected.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

Claims (7)

1. Pressure leakage ends pressure vessel withstand voltage experiment pressure test fixture in advance, its characterized in that: including container jar (1) and the first pipeline (2) and the second pipeline (3) of fixed mounting on container jar (1) to be detected, there is conveyer pipe (4) outside through flange joint in second pipeline (3), install first valve (5) on conveyer pipe (4), a serial communication port, still include booster duct (6), booster duct (6) are through flange and first pipeline (2) fixed connection, fixedly mounted with gas-supply pipeline (10) on booster duct (6), install on gas-supply pipeline (10) bleeder (15), install solenoid valve (11) on bleeder (15), be equipped with pressure sensor (13) in booster duct (6), the outside of booster duct (6) still is equipped with controller (14), solenoid valve (11), pressure sensor (13) all with controller (14) electric coupling.

2. The pressure test fixture for the pressure withstand test of the pressure vessel with the early end of pressure leakage according to claim 1, wherein the outer part of the pressurizing pipe (6) is fixedly provided with a shell (8), and the controller (14) is fixedly arranged in the shell (8).

3. The pressure test fixture for the pressure withstand test of the pressure vessel with the early end of pressure leakage according to claim 2, wherein an indicator lamp (9) is fixedly arranged outside the shell (8), and the indicator lamp (9) is electrically coupled with the controller (14).

4. The pressure test fixture for the pressure withstand test of the pressure vessel with the early end of pressure leakage according to claim 3, wherein the indicator lamp (9) can be replaced by a light alarm.

5. A leak-pressure early-ending pressure vessel pressure-proof experiment pressure test fixture according to claim 3, characterized in that the pressurizing pipe (6) is further provided with a pressure gauge (7) for detecting the pressure in the vessel (1).

6. The pressure test fixture for the pressure withstand test of the pressure vessel with the early end of pressure leakage according to claim 5, wherein the second valve (12) is arranged on the gas transmission pipeline (10).

7. The pressure test fixture for the pressure withstand test of the pressure vessel with the early end of pressure leakage according to claim 6, wherein the gas transmission pipeline (10) and the pressurizing pipeline (6) are of an integrated structure.