CN213985582U - Portable modularization gate valve suppression device - Google Patents
Portable modularization gate valve suppression device Download PDFInfo
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- CN213985582U CN213985582U CN202023115639.4U CN202023115639U CN213985582U CN 213985582 U CN213985582 U CN 213985582U CN 202023115639 U CN202023115639 U CN 202023115639U CN 213985582 U CN213985582 U CN 213985582U
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Abstract
The utility model discloses a portable modularized gate valve pressing device, which comprises a water pump and water tank module, a liquid drive pressurizing module, an exhaust/drainage module, an electrical control module, a valve and instrument module and an upper computer; the water pump is connected with the water tank module and the valve and instrument module, the liquid drive pressurizing module and the valve are connected with the instrument module, the valve is connected with the exhaust/drainage module, the exhaust/drainage module is connected with the gate valve through a gate valve packing blowing hole or a gate valve body pressing special interface, the electrical control module is connected with the water pump and the water tank module through a cable, the liquid drive pressurizing module, the exhaust/drainage module, the valve is connected with the instrument module and an upper computer, and the upper computer is connected with the electrical control module through Ethernet or WIFI. The beneficial effects are that: and quantitatively detecting the leakage rate of the gate valve within a set time to verify and verify the sealing performance of the valve cover, the filler and the sealing surface of the gate valve, thereby ensuring the maintenance quality of the gate valve and ensuring the safety and economic indexes of the operation of the nuclear power plant unit.
Description
Technical Field
The utility model belongs to the technical field of the experimental detection of gate valve leakproofness and maintenance, concretely relates to portable modularization gate valve suppression device.
Background
The gate valves are widely applied to nuclear power plants, are mainly installed on pipelines of a primary loop system and a secondary loop system, play roles in fluid cutoff and isolation, directly affect the safe, reliable and economic operation of the nuclear power plants due to the good and bad sealing performance of the valves, and damage the integrity of a unit pressure boundary if the gate valves on certain isolation boundaries leak, so that adverse effects are caused on the safety of the nuclear power plants.
The method is characterized in that the elimination of gate valve leakage is a key concern in operation and maintenance work of nuclear power plants, the factors are limited by technical conditions and take high risk of field work into consideration, most of the domestic nuclear power plants basically adopt the traditional maintenance mode of valve disintegration grinding and blue oil test during overhaul at present, the quality of maintenance depends on the skill level of maintenance personnel to a great extent, whether a valve is qualified after maintenance can be verified only by performing a system tightness pressure test during unit pressure boosting, and once the test is unqualified, the unit state has to be withdrawn, and the safety and economic indexes of the unit are seriously influenced.
The most intuitive and effective method for detecting the leak tightness of the gate valve is a tightness pressing test. By simulating the pressure condition during operation on site, the medium with pressure is injected into the valve cavity in the closing state of the valve, and if the pressure test shows that the valve does not leak, the integrity of the sealing structure of the valve can be ensured, thereby ensuring the sealing performance of the valve.
At present, a gate valve pressing device applied to more nuclear power plants in China is an OPERA gate valve pressing tool introduced from France Fabry-Perot company, but the tool is high in selling price and low in intelligent degree, adopts an integrated centralized cabinet design, is large in size and heavy in weight, is inconvenient to transport and carry, and limits popularization and application of the device. In China, professional technical companies develop gate valve pressing systems, but the problems of poor system stability, low measurement precision, complex operation, large volume, inconvenience in transportation and the like exist in practical use of nuclear power sites, and the gate valve pressing systems are abandoned by various power plants.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable modularization gate valve is suppressed device through the modularized design, with the gate valve of the centralized rack design of traditional integration, carries out the modularization according to structure and function and divides, outstanding portable and lightweight characteristics design into a plurality of different functional modules, makes things convenient for two people's on-the-spot transport and carries, and each module accessible cable and high-pressure hose connect into a whole set of system fast and put into use.
The technical scheme of the utility model as follows: a portable modularized gate valve pressing device comprises a water pump and water tank module, a liquid drive pressurizing module, an exhaust/drainage module, an electrical control module, a valve and instrument module and an upper computer; the water pump is connected with the water tank module and the valve and instrument module, the liquid drive pressurizing module and the valve are connected with the instrument module, the valve is connected with the exhaust/drainage module, the exhaust/drainage module is connected with the gate valve through a gate valve packing blowing hole or a gate valve body pressing special interface, the electrical control module is connected with the water pump and the water tank module through a cable, the liquid drive pressurizing module, the exhaust/drainage module, the valve is connected with the instrument module and an upper computer, and the upper computer is connected with the electrical control module through Ethernet or WIFI.
The water pump and water tank module comprises a water injection pump, a manual isolation valve, a filter, a one-way valve and a water tank, and the module external interface comprises a water outlet interface, a first water return interface, a second water return interface, a sewage discharge interface and a power supply interface.
The hydraulic drive pressurizing module comprises an integrated hydraulic station and a pressurizing cylinder, and an external interface of the module comprises a hydraulic output interface, a power supply interface and a signal output interface.
The valve and instrument module comprises an energy accumulator, an electric ball valve, a manual ball valve, a safety valve, a pressure gauge and a temperature sensor, and the module external interface comprises a signal output interface, a pressurization interface, a water pump interface, a safe pressure relief interface, a pressure relief drainage exhaust interface and a hydraulic output interface.
The exhaust/drainage module comprises a pressure gauge, a manual ball valve, a one-way valve and a quick connector, and the external interface of the module comprises a signal output interface, a waste liquid barrel interface, a gate valve pressing interface and a hydraulic input interface.
The electric control module comprises a PLC acquisition controller, a power supply, an emergency stop control button and other related electric elements, and the module external interface comprises a water pump power supply interface, a hydraulic station power supply interface, a first signal acquisition interface, a second signal acquisition interface, a third signal acquisition interface, a power supply interface and a network interface.
The beneficial effects of the utility model reside in that: combine advanced sensor detection technology and high accuracy data acquisition control technology, through the modularized design, with the gate valve of the centralized rack design of traditional integration device of suppressing, carry out the modularization according to structure and function and divide, outstanding portable and lightweight characteristics design into a plurality of different functional modules, make things convenient for two people's field transport and carry, each module accessible cable and high-pressure hose connect into a whole set of system fast and put into use. When the device is used, the medium with pressure is injected into the valve cavity by simulating the actual operating pressure of the gate valve, the leakage rate of the gate valve within a set time is quantitatively detected, and the sealing performance of the valve cover, the filler and the sealing surface of the gate valve is verified and verified, so that the maintenance quality of the gate valve is ensured, and the operation safety and economic indexes of a nuclear power plant unit are ensured.
Drawings
Fig. 1 is the utility model provides a portable modularization gate valve suppression device sketch map.
In the figure, a 101 water outlet interface, a 102 first water return interface, a 103 second water return interface, a 104 sewage discharge interface, a 105 power supply interface, a 201 hydraulic output interface, a 202 power supply interface, a 203 signal output interface, a 301 signal output interface, a 302 pressure boost interface, a 303 water pump interface, a 304 safety pressure relief interface, a 305 pressure relief drainage exhaust interface, a 306 hydraulic output interface, a 401 signal output interface, a 402 waste liquid barrel interface, a 403 gate valve pressure relief interface, a 404 hydraulic input interface, a 501 water pump power supply interface, a 502 hydraulic station power supply interface, a 503 first signal acquisition interface, a 504 second signal acquisition interface, a 505 third signal acquisition interface, a 506 power supply interface and a 507 network interface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a portable modular gate valve pressurizing device comprises a water pump and water tank module, a liquid drive pressurizing module, an exhaust/drainage module, an electrical control module, a valve and instrument module and an upper computer; the water pump is connected with the water tank module and the valve and instrument module, the liquid drive pressurizing module and the valve are connected with the instrument module, the valve and instrument module is connected with the exhaust/drainage module, and the exhaust/drainage module is connected with the gate valve through a gate valve packing sweeping hole or a gate valve body pressing special interface to provide a passage for medium with pressure to enter a gate valve cavity and exhaust/drainage of a system; the electric control module is connected with the water pump and water tank module, the liquid drive pressurizing module, the exhaust/drainage module, the valve and instrument module and the upper computer through cables, and is used for collecting the pressure and the temperature of the system, adjusting and controlling the pressurizing rate of the valve cavity and performing emergency shutdown protection control on overpressure of the system; the host computer is connected with the electrical control module through Ethernet or WIFI for assign control signal to the electrical control module, control system steadily steps up, carries out analysis processes and shows the data of gathering, reachs valve leakage rate and relevant parameter curve, reports to the police suggestion and protection to the system abnormity.
The water pump and water tank module comprises a water injection pump, a manual isolation valve, a filter, a one-way valve and a water tank, and the external interface of the module comprises a water outlet interface 101, a first water return interface 102, a second water return interface 103, a sewage discharge interface 104 and a power supply interface 105.
The hydraulic drive pressurizing module comprises an integrated hydraulic station and a pressurizing cylinder, and an external interface of the module comprises a hydraulic output interface 201, a power supply interface 202 and a signal output interface 203.
The valve and instrument module comprises an energy accumulator, an electric ball valve, a manual ball valve, a safety valve, a pressure gauge and a temperature sensor, and the external interfaces of the module comprise a signal output interface 301, a pressurization interface 302, a water pump interface 303, a safety pressure relief interface 304, a pressure relief drainage exhaust interface 305 and a hydraulic output interface 306.
The exhaust/drainage module comprises a pressure gauge, a manual ball valve, a one-way valve and a quick connector, and the external interface of the module comprises a signal output interface 401, a waste liquid barrel interface 402, a gate valve pressing interface 403 and a hydraulic input interface 404.
The electric control module comprises a PLC acquisition controller, a power supply, an emergency stop control button and other related electric elements, and the external interfaces of the module comprise a water pump power supply interface 501, a hydraulic station power supply interface 502, a first signal acquisition interface 503, a second signal acquisition interface 504, a third signal acquisition interface 505, a power supply interface 506 and a network interface 507.
The water pump and water tank module water outlet interface 101 is connected with a valve and an instrument module water pump interface 303 through a high-pressure hose, the water pump and a first water return interface 102 and a second water return interface 103 of the water tank module are connected with a safety pressure relief interface 304 and a pressure relief drainage exhaust interface 305 of the instrument module through hoses and valves, the water pump and water tank module sewage discharge interface 104 is connected with a sewage discharge hose for sewage discharge, and the water pump and water tank module power supply interface 105 is connected with an electric control module water pump power supply interface 501 through a cable.
The hydraulic output interface 201 of the liquid drive pressurizing module is connected with the pressurizing interface 302 of the instrument module through a high-pressure hose and a valve, the power interface 202 of the liquid drive pressurizing module is connected with the power interface 502 of the hydraulic station of the electric control module through a cable, and the signal output interface 203 of the liquid drive pressurizing module is connected with the first signal acquisition interface 503 of the electric control module through a cable.
The valve and instrument module signal output interface 301 is connected with a second signal acquisition interface 504 of the electrical control module through a cable, and the valve and instrument module hydraulic output interface 306 is connected with the exhaust/drainage module hydraulic input interface 404 through a high-pressure hose.
The signal output interface 401 of the exhaust/drainage module is connected with a third signal acquisition interface 505 of the electrical control module through a cable, the waste liquid barrel interface 402 of the exhaust/drainage module is connected with a waste liquid barrel through a hose, and the gate valve pressing interface 403 of the exhaust/drainage module is connected with the gate valve pressing interface through a high-pressure hose.
The power supply interface 506 of the electric control module is connected with an external 220VAC power supply through a power line, and the network interface 507 of the electric control module is connected with an upper computer through a network cable.
The device intelligent degree is high, combines advanced sensor detection technique and high accuracy data acquisition control technique, through the actual operating pressure of simulation gate valve, will take the pressure medium to pour into the valve pocket into, and the quantitative detection is specified the pressure drop and the leakage rate of gate valve in the time to verify the sealing performance of gate valve gap, filler and sealed face, thereby ensure the maintenance quality of gate valve.
When the utility model works, the pressing device is connected with the gate valve packing blowing hole or the gate valve body pressing special interface through the high-pressure hose, and provides a test medium and a test pressure for the gate valve; the upper computer is connected with a communication network port of the pressing device through a network cable, and is used for setting parameters such as test pressure, test time and the like, acquiring data change in the pressing process in real time and automatically analyzing and recording the pressing result.
The portable modular gate valve pressing device comprises the following use steps:
the method comprises the following steps: the plug of the packing blowing hole or the pressing hole on the gate valve is detached, a pressing matching quick joint is installed, and a high-pressure hose is used for firmly connecting the pressure output port of the pressing device with the blowing hole (or the pressing hole);
step two: after the pressurizing device is connected, the device is powered on, a manual/automatic switching knob on an electric control module of the pressurizing device is rotated to a manual position, a water injection pump is manually started to inject water into a valve cavity, a hydraulic station is started after the valve cavity is filled with water to enable a pressurizing loop to rise to a certain pressure, and a valve, a high-position exhaust valve and an exhaust/drainage device on an instrument module are used for high-position exhaust of the whole loop, and the valve is used for nearby exhaust and pressure relief. The pressurizing and pressure releasing processes can also be operated by an upper computer in an automatic control mode;
step three: and inputting relevant information (such as nominal pressure, nominal diameter and the like) of the gate valve to be tested and test parameters (such as test pressure, test time, acceptance pressure, allowable pressure drop, leakage rate acceptance standard and the like) into the upper computer. And operating data acquisition software to start a pump to boost pressure in an automatic control mode. When the system detects that the pressure value in the pipeline of the valve and the instrument module reaches the set test pressure, the system automatically closes the pressure maintaining electric ball valve in the valve and the instrument module. And after the pressure is stabilized for 1 minute, the system automatically enters a pressure maintaining detection stage, and after the pressure maintaining time is over, the system automatically records a test curve and data and displays a test result. After the test is finished, the upper computer automatically releases the pressure, and the pressure-releasing electric ball valve on the valve and the pipeline of the instrument module is opened to complete the pressure release. The pipeline of the valve of the pressurizing device and the instrument module is provided with a safety valve, and when the test pressure is higher than the protection pressure, the system automatically protects and releases pressure;
step four: the upper computer can manage (create, edit, delete and the like) the valve information, play back the test data and the curve of the previous pressing, perform auxiliary analysis, marking and the like on the test curve, automatically generate a test report and evaluate the test result.
Claims (7)
1. The utility model provides a portable modularization gate valve suppression device which characterized in that: the system comprises a water pump and water tank module, a liquid drive pressurizing module, an exhaust/drainage module, an electrical control module, a valve and instrument module and an upper computer; the water pump is connected with the water tank module and the valve and instrument module, the liquid drive pressurizing module and the valve are connected with the instrument module, the valve is connected with the exhaust/drainage module, the exhaust/drainage module is connected with the gate valve through a gate valve packing blowing hole or a gate valve body pressing special interface, the electrical control module is connected with the water pump and the water tank module through a cable, the liquid drive pressurizing module, the exhaust/drainage module, the valve is connected with the instrument module and an upper computer, and the upper computer is connected with the electrical control module through Ethernet or WIFI.
2. The portable modular gate valve striking device of claim 1, wherein: the water pump and water tank module comprises a water injection pump, a manual isolation valve, a filter, a one-way valve and a water tank, and the module external interface comprises a water outlet interface, a first water return interface, a second water return interface, a sewage discharge interface and a power supply interface.
3. The portable modular gate valve striking device of claim 1, wherein: the hydraulic drive pressurizing module comprises an integrated hydraulic station and a pressurizing cylinder, and an external interface of the module comprises a hydraulic output interface, a power supply interface and a signal output interface.
4. The portable modular gate valve striking device of claim 1, wherein: the valve and instrument module comprises an energy accumulator, an electric ball valve, a manual ball valve, a safety valve, a pressure gauge and a temperature sensor, and the module external interface comprises a signal output interface, a pressurization interface, a water pump interface, a safe pressure relief interface, a pressure relief drainage exhaust interface and a hydraulic output interface.
5. The portable modular gate valve striking device of claim 1, wherein: the exhaust/drainage module comprises a pressure gauge, a manual ball valve, a one-way valve and a quick connector, and the external interface of the module comprises a signal output interface, a waste liquid barrel interface, a gate valve pressing interface and a hydraulic input interface.
6. The portable modular gate valve striking device of claim 1, wherein: the electric control module comprises a PLC acquisition controller, a power supply, an emergency stop control button and other related electric elements.
7. The portable modular gate valve striking device of claim 1, wherein: the external interface of the electric control module comprises a water pump power supply interface, a hydraulic station power supply interface, a first signal acquisition interface, a second signal acquisition interface, a third signal acquisition interface, a power supply interface and a network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023115639.4U CN213985582U (en) | 2020-12-22 | 2020-12-22 | Portable modularization gate valve suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023115639.4U CN213985582U (en) | 2020-12-22 | 2020-12-22 | Portable modularization gate valve suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213985582U true CN213985582U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023115639.4U Active CN213985582U (en) | 2020-12-22 | 2020-12-22 | Portable modularization gate valve suppression device |
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| Country | Link |
|---|---|
| CN (1) | CN213985582U (en) |
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- 2020-12-22 CN CN202023115639.4U patent/CN213985582U/en active Active
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