CN113125090A - Pressure-resistant sealing test system for pressure-bearing equipment - Google Patents
Pressure-resistant sealing test system for pressure-bearing equipment Download PDFInfo
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- CN113125090A CN113125090A CN202110419408.2A CN202110419408A CN113125090A CN 113125090 A CN113125090 A CN 113125090A CN 202110419408 A CN202110419408 A CN 202110419408A CN 113125090 A CN113125090 A CN 113125090A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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Abstract
The invention relates to the field of pressure-resistant sealing tests of pressure-bearing equipment, in particular to a pressure-resistant sealing test system of the pressure-bearing equipment, which comprises a monitoring console, a ground control cabinet, load equipment, an electric pressure test pump, a hydraulic pipeline and a pressure-resistant sealing bin, wherein the pressure-resistant sealing bin comprises a plug, a pressure-resistant sealing bin barrel, a connector, a connecting sleeve and a first flange plate; one end of the pressure-resistant sealed bin cylinder is fixedly provided with the plug, the other end of the pressure-resistant sealed bin cylinder is detachably connected and provided with the connecting sleeve through threads, the first flange plate is arranged at the outer side end part of the connecting sleeve through a bolt, and a sealed cavity for placing pressure-bearing equipment is formed in the pressure-resistant sealed bin cylinder; the first flange plate is provided with a through hole, and the connector is fixed on the inner side of the through hole through the second flange plate. This patent sets up the connector on withstand voltage sealed storehouse, and the data transmission of testee is outside in with the storehouse through the connector, and withstand voltage sealed storehouse is rational in infrastructure, can carry out long-time pressurize test and real-time test.
Description
Technical Field
The invention relates to the field of pressure-tight seal test of pressure-bearing equipment, in particular to a pressure-tight seal test system of the pressure-bearing equipment.
Background
With continuous exploitation of oil and gas resources in China, the oil and gas resources are increasingly lacked, and currently exploited oil wells are deep and have the depth of 1000-1500 meters. The well fluids of deep wells can generate very high fluid pressure, and downhole drivers for downhole oil production have high requirements on pressure sealing. The existing pressure-resistant sealing performance test method is to place a tested object into a pressure-resistant sealing test bin and only perform pressure-resistant sealing test on the tested object. The pressure seal test of the underground driver needs to be carried out in real time on line under the condition of external pressure and under the long-term working condition of days or months.
The existing testing method can not meet the testing requirements and mainly has the following problems: the pressure-resistant sealed test bin is not provided with a connecting wire led out of the bin, so that power supply and signal input and output cannot be provided for an object to be tested in the bin, the pressure of the tested object can be subjected to pressure maintaining test only in a short time, and the long-time pressure maintaining test and real-time test cannot be carried out with external pressure.
Disclosure of Invention
In order to solve the existing problems, the invention aims to provide a pressure-resistant sealing test system for pressure-bearing equipment.
For the purpose of the invention, the following technical scheme is adopted for implementation:
a pressure-resistant sealing bin for pressure-resistant sealing test of pressure-resistant equipment comprises a plug, a pressure-resistant sealing bin barrel, a connector, a connecting sleeve and a first flange plate; one end of the pressure-resistant sealed bin cylinder is fixedly provided with the plug, the other end of the pressure-resistant sealed bin cylinder is detachably connected and provided with the connecting sleeve through threads, the first flange plate is arranged at the outer side end of the connecting sleeve through a bolt, a sealed cavity for placing pressure-bearing equipment is formed in the pressure-resistant sealed bin cylinder, and the pressure of pressure resistance and sealing performance is more than or equal to 50 MPa; the plug is provided with an oil filling hole connected with a hydraulic pipeline, the connecting sleeve is provided with an oil discharge hole, the oil discharge hole is provided with a tee joint, the tee joint is connected with a pressure transmitter connected with a test system and an oil return pipe used for connecting the hydraulic pipeline, and the oil return pipe is provided with a pressure gauge and a first electromagnetic valve; the first flange plate is provided with a through hole, the connector is fixed on the inner side of the through hole through the second flange plate, the inner side end of the connector is provided with a connecting lead for connecting a power supply of the pressure-bearing equipment and a data transmission interface, and the outer side end of the connector is provided with a connecting lead for connecting a test system.
Preferably, the connecting sleeve and the first flange plate and the second flange plate are sealed through O-shaped rings.
Preferably, the plug is welded or screwed with the pressure-resistant sealing bin barrel.
Preferably, the pressure-resistant sealed cabin is made of P110 seamless pipe and has material yield strength sigmaS758 and 965 MPa.
A pressure-resistant sealing test system for pressure-bearing equipment comprises a monitoring console, a ground control cabinet, load equipment, an electric pressure test pump, a hydraulic pipeline and a pressure-resistant sealing bin, wherein a control system is arranged in the ground control cabinet, pressure transmitters on the load equipment, the electric pressure test pump and the pressure-resistant sealing bin are all connected to the control system, a connector is connected to the load equipment, and the control system is connected to the monitoring console; when the system works, the pressure-bearing equipment is placed in a sealed cavity of the pressure-resistant sealed cabin and the pressure-resistant sealed cabin is sealed, a connecting lead of the connector is connected to the pressure-bearing equipment, the electric pressure test pump injects transformer oil into the pressure-resistant sealed cabin to pressurize the pressure-resistant sealed cabin, the connector transmits data of the pressure-bearing equipment to a control system in a ground control cabinet, and the monitoring console displays the data in the control system.
Preferably, the electric pressure test pump comprises an oil tank, a base, a motor, an oil pump, a valve seat, an overflow valve, a safety valve, an electric contact pressure gauge, a check valve, a manual pressure relief valve, a second electromagnetic valve and a control system; the oil tank is connected with an oil return pipe; the upper part of the oil tank is fixedly provided with a base; the motor and the oil pump are fixed on the base; the motor drives the oil pump to act; the valve seat is arranged on the oil pump; the valve seat is respectively provided with an overflow valve, a safety valve, an electric contact pressure gauge, a check valve, a manual pressure relief valve and a second electromagnetic valve.
Preferably, an operation box is provided above the oil tank.
Preferably, the system further comprises a video monitoring system, and the video monitoring system is connected to the monitoring station.
Preferably, the pressure-tight sealing test liquid is transformer oil.
Preferably, the system also comprises a control room and an equipment room, wherein the control room and the equipment room are separated by a wall body, and the monitoring desk, the ground control cabinet and the load equipment are positioned in the control room; the electric pressure test pump, the hydraulic pipeline and the pressure-resistant sealing bin are positioned in the equipment room.
In conclusion, the technical effects of the invention are as follows:
1. the connector has reasonable design of a connecting structure, and can realize long-term real-time online test;
2. the connector is fixed on the flange, so that the connecting wire can be prevented from being twisted;
3. the system design control room and the equipment room are separately arranged in different laboratories, the equipment room is provided with video monitoring, and safety valves, pressure relief valves and other safety measures are arranged in the system, so that the safety of operation personnel and equipment is ensured;
4. the pressure-resistant sealed pressure test liquid uses transformer oil to replace water, the oil is used as a medium, the insulativity is good, the pressure test liquid is not conductive, the electric leakage of a lead is prevented, and the internal electrical elements of the pressure-bearing equipment are protected from being damaged.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the electric pressure test pump.
Fig. 3 is a schematic structural view of the pressure-resistant sealed cabin.
Detailed Description
As shown in fig. 1, the pressure-resistant sealing test system for pressure-bearing equipment comprises a monitoring console 1, a ground control cabinet 2, load equipment 3, a video monitoring system 4, an electric pressure test pump 5, a hydraulic pipeline 7 and a pressure-resistant sealing bin 8. The system also comprises a control room and an equipment room, wherein the control room and the equipment room are separated by a wall body, and the monitoring desk 1, the ground control cabinet 2 and the load equipment 3 are positioned in the control room. The electric pressure test pump 5, the hydraulic pipeline 7 and the pressure-resistant sealed cabin 8 are positioned in the equipment room. A control system is arranged in the ground control cabinet 2, pressure transmitters 88 on the load equipment 3, the electric pressure test pump 5 and the pressure-resistant sealed cabin 8 are all connected to the control system, a connector 84 is connected to the load equipment 3, and a video monitoring system 4 and the control system are connected to the monitoring station 1. In this embodiment, the downhole actuator 9 is used as a pressure-bearing device.
When the system works, the underground driver 9 is placed in a sealed cavity of the pressure-resistant sealed cabin 8 and the pressure-resistant sealed cabin 8 is sealed, a connecting wire of the connector 84 is connected to the underground driver 9, the electric pressure test pump 5 injects transformer oil into the pressure-resistant sealed cabin 8 to pressurize the pressure-resistant sealed cabin 8, the connector 84 transmits data of the underground driver 9 to a control system in the ground control cabinet 2, and the monitoring console 1 displays the data in the control system.
As shown in fig. 2, the electric pressure test pump 5 includes an oil tank 51, a base 52, a motor, an oil pump 53, a valve seat 54, a relief valve 55, a relief valve 56, an electric contact pressure gauge 57, a check valve 58, a manual pressure relief valve 59, a second electromagnetic valve 510, and a control system. The oil tank 51 is connected to an oil return pipe 811. The upper part of the oil tank 51 is fixedly provided with a base 52. The motor and oil pump 53 is fixed to the base 52. The motor drives the oil pump 53 to operate. The valve seat 54 is provided on the oil pump 53. The relief valve 55, the relief valve 56, the electric contact pressure gauge 57, the check valve 58, the manual pressure relief valve 59, and the second solenoid valve 510 are mounted on the valve seat 54, respectively. An operation box 6 is provided above the oil tank 51. The transformer oil for the pressure-resistant sealing pressure test liquid is used as a medium, has good insulativity, is not easy to leak electricity and damage electrical elements, and has good reliability.
A filter is installed in the oil tank 51, the oil return pipe 811 is connected to the filter, and the oil in the oil return pipe 811 can be recycled after impurities are filtered. The oil inlet pipe of the electric pressure test pump is connected with the oil tank 51 to supply oil for the electric pressure test pump 5. The transformer oil passes through the oil pump 53, and the oil in the oil tank 51 is sent to the hermetic pressure-resistant container 8. Wherein the system pressure is controlled by controlling the upper and lower limit pointers of the electric contact pressure gauge 57; the pressure maintaining time is realized by setting the pressure maintaining time by the control system.
As shown in fig. 3, a pressure-proof sealing chamber 8 for pressure-proof sealing test of pressure-proof equipment, the pressure-proof sealing chamber 8 includes a plug 81, a pressure-proof sealing chamber cylinder 83, a connector 84, a connecting sleeve 85 and a first flange 86. One end of the pressure-resistant sealed bin cylinder body 83 is fixedly provided with a plug 81, the other end is detachably connected and provided with a connecting sleeve 85 through a thread, and a first flange plate 86 is arranged at the outer side end of the connecting sleeve 85 through a boltAnd a sealing cavity for placing the underground driver is formed in the pressure-resistant sealing bin cylinder body 83, and the pressure resistance and the sealing performance are more than or equal to 50 MPa. An oil filling hole connected with a hydraulic pipeline is formed in the plug 81, an oil discharging hole is formed in the connecting sleeve 85, a tee 87 is installed on the oil discharging hole, the tee 87 is connected with a pressure transmitter 88 connected with a testing system and an oil return pipe 811 used for being connected with the hydraulic pipeline, and a pressure gauge 89 and a first electromagnetic valve 810 are arranged on the oil return pipe 811. The first flange 86 is provided with a through hole, the connector 84 is fixed at the inner side of the through hole through a second flange 861, the inner side end of the connector 84 is provided with a connecting lead for connecting a power supply and a data transmission interface of a downhole driver, and the outer side end of the connector 84 is provided with a connecting lead for connecting a test system. The connection sleeve 85 and the first flange 86, and the first flange 86 and the second flange 861 are sealed by O-rings. The plug 81 is connected with the pressure-resistant sealed cabin barrel 83 by welding or screw thread. The pressure-resistant sealed cabin 8 is made of P110 seamless tube and has the material yield strength sigmaS758 and 965 MPa.
The pressure transmitter 88, the pressure gauge 89 and the first electromagnetic valve 810 can monitor the internal pressure of the pressure-resistant sealed bin 8 in real time and compare with an electric contact pressure gauge 57 at the end of the electric pressure test pump 5, so that the safety guarantee is increased; first solenoid valve 810 is installed on the tee bend 87 of manometer 89 export, and another exit linkage of first solenoid valve 810 returns oil pipe 811, and the switching of control first solenoid valve 810 realizes the automatic release oil return function of electric pressure testing pump 5.
After the connector 84 is installed on the pressure-resistant sealed bin 8, the tested object in the bin can be electrified and signal transmission is carried out with a control system outside the bin, long-term real-time online test can be realized, experimental data is provided for new product improvement, and the improvement on product stability and the reduction on research and development cost are facilitated. The connector 84 is simple and reliable in flange fixing high-pressure sealing structure, and the cable cannot be twisted.
The technical effect of this patent is:
1. the connection structure of the connector 84 is reasonable in design, and long-term real-time online testing can be realized;
2. the connector 84 is fixed on the first flange 86, so that the connecting wires can be prevented from being twisted;
3. the system design control room and the equipment room are separately arranged in different laboratories, the equipment room is provided with video monitoring, and safety valves, pressure relief valves and other safety measures are arranged in the system, so that the safety of operation personnel and equipment is ensured;
4. the pressure-resistant sealed pressure test liquid uses transformer oil to replace water, the oil is used as a medium, the insulativity is good, the pressure test liquid is not conductive, the electric leakage of a lead is prevented, and electric elements in the underground driver are protected from being damaged.
Claims (10)
1. A pressure-resistant sealing bin for pressure-resistant sealing test of pressure-bearing equipment is characterized by comprising a plug (81), a pressure-resistant sealing bin cylinder body (83), a connector (84), a connecting sleeve (85) and a first flange plate (86);
one end of the pressure-resistant sealed bin cylinder body (83) is fixedly provided with the plug (81), the other end of the pressure-resistant sealed bin cylinder body is detachably connected and provided with the connecting sleeve (85) through threads, the first flange plate (86) is arranged at the outer side end of the connecting sleeve (85) through a bolt, a sealed cavity for placing pressure-bearing equipment is formed in the pressure-resistant sealed bin cylinder body (83), and the pressure of pressure resistance and sealing performance is more than or equal to 50 MPa;
an oil filling hole connected with a hydraulic pipeline is formed in the plug (81), an oil discharging hole is formed in the connecting sleeve (85), a tee joint (87) is installed on the oil discharging hole, the tee joint (87) is connected with a pressure transmitter (88) connected with a testing system and an oil return pipe (811) used for being connected with the hydraulic pipeline, and a pressure gauge (89) and a first electromagnetic valve (810) are arranged on the oil return pipe (811);
the first flange plate (86) is provided with a through hole, the connector (84) is fixed on the inner side of the through hole through the second flange plate (861), a connecting lead for connecting a power supply of pressure-bearing equipment and a data transmission interface is arranged at the inner side end of the connector (84), and a connecting lead for connecting a test system is arranged at the outer side end of the connector (84).
2. The pressure-resistant sealing chamber for the pressure-resistant sealing test of the pressure-bearing equipment according to claim 1, wherein the sealing between the connecting sleeve (85) and the first flange plate (86) and the sealing between the first flange plate (86) and the second flange plate (861) are sealed by O-rings.
3. The pressure-resistant sealing chamber for the pressure-resistant sealing test of the pressure-resistant equipment according to claim 1, wherein the plug (81) is welded or connected with the pressure-resistant sealing chamber cylinder (83) in a threaded manner.
4. The pressure-resistant sealing bin for the pressure-resistant sealing test of pressure-bearing equipment according to claim 1, wherein the material of the pressure-resistant sealing bin (8) is P110 seamless pipe, and the yield strength sigma of the material isS758 and 965 MPa.
5. A pressure-resistant sealing test system for pressure-bearing equipment is characterized by comprising a monitoring console (1), a ground control cabinet (2), load equipment (3), an electric pressure test pump (5), a hydraulic pipeline (7) and a pressure-resistant sealing bin (8) according to any one of claims 1 to 4, wherein a control system is arranged in the ground control cabinet (2), pressure transmitters (88) on the load equipment (3), the electric pressure test pump (5) and the pressure-resistant sealing bin (8) are all connected to the control system, a connector (84) is connected to the load equipment (3), and the control system is connected to the monitoring console (1); when the system works, a pressure-bearing device is placed in a sealing cavity of the pressure-resistant sealing bin (8) and the pressure-resistant sealing bin (8) is sealed, a connecting wire of a connector (84) is connected to the pressure-bearing device, transformer oil is injected into the pressure-resistant sealing bin (8) through an electric pressure test pump (5) to pressurize the pressure-resistant sealing bin (8), the connector (84) transmits data of the pressure-bearing device to a control system in a ground control cabinet (2), and a monitoring console (1) displays data in the control system.
6. The pressure-resistant sealing test system of the pressure-bearing equipment according to claim 5, characterized in that the electric pressure test pump (5) comprises an oil tank (51), a base (52), a motor, an oil pump (53), a valve seat (54), an overflow valve (55), a safety valve (56), an electric contact pressure gauge (57), a check valve (58), a manual pressure relief valve (59), a second electromagnetic valve (510) and a control system; the oil tank (51) is connected with an oil return pipe (811); a base (52) is fixedly arranged on the upper part of the oil tank (51); the motor and the oil pump (53) are fixed on the base (52); the motor drives the oil pump (53) to act; the valve seat (54) is arranged on the oil pump (53); an overflow valve (55), a safety valve (56), an electric contact pressure gauge (57), a check valve (58), a manual pressure relief valve (59) and a second electromagnetic valve (510) are respectively arranged on the valve seat (54).
7. The pressure-bearing equipment pressure-resistant seal testing system of claim 6, characterized in that an operation box (6) is arranged above the oil tank (51).
8. A pressure equipment pressure tight seal test system according to claim 5, characterized in that the system further comprises a video monitoring system (4), the video monitoring system (4) being connected to the monitoring station (1).
9. The pressure-resistant seal testing system of pressure-bearing equipment according to claim 6, characterized in that the pressure-resistant seal pressure testing liquid is transformer oil.
10. The pressure-resistant sealing test system of pressure-bearing equipment according to claim 5, characterized in that the system further comprises a control room and an equipment room, the control room and the equipment room are separated by a wall, and the monitoring station (1), the ground control cabinet (2) and the load equipment (3) are positioned in the control room; the electric pressure test pump (5), the hydraulic pipeline (7) and the pressure-resistant sealed cabin (8) are positioned in the equipment room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419408.2A CN113125090A (en) | 2021-04-19 | 2021-04-19 | Pressure-resistant sealing test system for pressure-bearing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419408.2A CN113125090A (en) | 2021-04-19 | 2021-04-19 | Pressure-resistant sealing test system for pressure-bearing equipment |
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| Publication Number | Publication Date |
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| CN113125090A true CN113125090A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110419408.2A Pending CN113125090A (en) | 2021-04-19 | 2021-04-19 | Pressure-resistant sealing test system for pressure-bearing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420491A (en) * | 2022-09-05 | 2022-12-02 | 吴江兴业橡胶有限公司 | Rubber seal pressure-bearing test equipment |
-
2021
- 2021-04-19 CN CN202110419408.2A patent/CN113125090A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420491A (en) * | 2022-09-05 | 2022-12-02 | 吴江兴业橡胶有限公司 | Rubber seal pressure-bearing test equipment |
| CN115420491B (en) * | 2022-09-05 | 2023-11-07 | 吴江兴业橡胶有限公司 | Pressure-bearing test equipment for rubber sealing piece |
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