CN219626330U - Safety shell pressure relief system and equipment - Google Patents

Abstract

The utility model discloses a containment vessel pressure-relief system and equipment, comprising: the device comprises a containment, a pressurizing unit, a pressure relief unit and a data acquisition unit; the pressure sensing unit comprises a pressure signal output end; the charging unit comprises an electric charging air inlet valve, and the electric charging air inlet valve comprises a charging signal receiving end; the pressure relief unit comprises an electric pressure relief exhaust valve, and the electric pressure relief exhaust valve comprises a pressure relief signal receiving end; the data acquisition unit comprises a controller, the controller comprises a pressurizing signal output end, a pressure relief signal output end and a pressure signal receiving end, the pressurizing signal output end is electrically connected with the pressurizing signal receiving end, the pressure relief signal output end is electrically connected with the pressure relief signal receiving end, and the pressure signal output end is electrically connected with the pressure signal receiving end. The controller correspondingly sends a pressurizing signal and a pressure relief signal according to a pressure signal output by the pressure sensor, so that the electric pressurizing air inlet valve and the electric pressure relief air outlet valve are adjusted, the pressurizing and pressure relief speed of the containment vessel is influenced, and the risk of misoperation is avoided.

Description

Safety shell pressure relief system and equipment

Technical Field

The utility model relates to the technical field of nuclear engineering, in particular to a containment vessel pressure-relief system and equipment.

Background

The containment vessel of a nuclear power plant is a cylindrical prestressed reinforced concrete structure with a quasi-spherical dome, which serves as the last barrier to fission products from the fuel and a circuit of radioactive materials into the environment, and plays an important role in limiting the diffusion of radioactive materials from the reactor to the atmosphere. In the current filling and releasing process of the containment vessel A type test of the domestic nuclear power station, the monitoring and control of the filling and releasing rate need test command personnel to monitor, manually calculate and send a command for adjusting the opening of the valve to an operator, so that higher requirements are put forward on the familiarity degree and the operating skill of the operator on the valve, if the valve is excessively adjusted, the risk that the filling and releasing rate exceeds the limit value exists, and if the valve is excessively adjusted, the expected requirements cannot be met; meanwhile, the risk of human errors such as communication errors between the commander and the operator due to the lack of concentration of the spirit of the testers exists during the execution operation.

Disclosure of Invention

The utility model provides a containment vessel pressure-filling and releasing system and equipment, which are used for improving the pressure-filling and releasing precision and reducing the risk of human error.

According to an aspect of the present utility model, there is provided a containment vessel pressure relief system comprising:

the device comprises a containment, a pressurizing unit, a pressure relief unit and a data acquisition unit;

the containment vessel is respectively communicated with the pressurizing unit and the pressure relief unit; the containment comprises a pressure sensing unit positioned inside the containment, and the pressure sensing unit comprises a pressure signal output end;

the pressurizing unit comprises an electric pressurizing air inlet valve, and the electric pressurizing air inlet valve comprises a pressurizing signal receiving end; the pressure relief unit comprises an electric pressure relief exhaust valve, and the electric pressure relief exhaust valve comprises a pressure relief signal receiving end;

the data acquisition unit comprises a controller, the controller comprises a pressurizing signal output end, a pressure relief signal output end and a pressure signal receiving end, the pressurizing signal output end is electrically connected with the pressurizing signal receiving end, the pressure relief signal output end is electrically connected with the pressure relief signal receiving end, and the pressure signal output end is electrically connected with the pressure signal receiving end.

Optionally, the pressurizing unit further comprises a pressurizing penetration piece, a first air inlet isolation valve and a second air inlet isolation valve;

the pressure filling penetrating piece penetrates through the shell of the containment, two ends of the pressure filling penetrating piece are respectively connected with the first end of the first air inlet isolation valve and the second end of the second air inlet isolation valve, the first air inlet isolation valve is located inside the containment, and the first end of the second air inlet isolation valve is connected with the second end of the electric pressure filling air inlet valve.

Optionally, the pressure relief unit further comprises a pressure relief penetration, a first exhaust isolation valve, and a second exhaust isolation valve;

the pressure relief penetrating piece penetrates through the shell of the containment, two ends of the pressure relief penetrating piece are respectively connected with the second end of the first exhaust isolation valve and the first end of the second exhaust isolation valve, and the first exhaust isolation valve is positioned in the containment; the second end of the second exhaust isolation valve is connected with the first end of the electric pressure relief exhaust valve.

Optionally, the second end of the second exhaust isolation valve is connected with the first end of the electric pressure relief exhaust valve through a first pipeline, and the second end of the electric pressure relief exhaust valve is connected with a second pipeline;

the pressure relief unit further comprises a first heating unit at least partially covering the first conduit and a second heating unit at least partially covering the second conduit; the first heating unit comprises a first heating signal receiving end, the second heating unit comprises a second heating signal receiving end, the controller comprises a first heating signal output end and a second heating signal output end, the first heating signal output end is electrically connected with the first heating signal receiving end, and the second heating signal output end is electrically connected with the second heating signal receiving end.

Optionally, the pressure relief unit further includes a first temperature sensing unit and a second temperature sensing unit, the first temperature sensing unit includes a first temperature signal output end and a first temperature signal acquisition end, and the second temperature sensing unit includes a second temperature signal output end and a second temperature signal acquisition end;

the controller comprises a first temperature signal receiving end and a second temperature signal receiving end;

the first temperature signal output end is electrically connected with the first temperature signal receiving end, and the second temperature signal output end is electrically connected with the second temperature signal receiving end;

the first pipeline comprises a first temperature signal feedback end, the second pipeline comprises a second temperature signal feedback end, the first temperature signal acquisition end is electrically connected with the first temperature signal feedback end, and the second temperature signal acquisition end is electrically connected with the second temperature signal feedback end.

Optionally, the data acquisition unit further comprises an upper computer; the upper computer comprises a feedback signal receiving end and a control signal output end; the controller comprises a feedback signal output end and a control signal receiving end; the feedback signal receiving end is in communication connection with the feedback signal output end; the control signal output end is in communication connection with the control signal receiving end.

Optionally, the upper computer further comprises a display unit, and the display unit displays the feedback signal.

Optionally, the pressurizing unit further comprises an air compressor unit, a cooler, an air dryer and a filter which are sequentially connected, and the filter is connected with the first end of the electric pressurizing air inlet valve.

Optionally, the air compressor unit includes at least six air compressors, and the air compressors are connected in parallel.

According to another aspect of the present utility model, there is provided a containment vessel pressure relief device comprising a containment vessel pressure relief system according to any of the above embodiments.

According to the technical scheme provided by the embodiment of the utility model, the safety shell pressure relief system comprises: the device comprises a containment, a pressurizing unit, a pressure relief unit and a data acquisition unit; the safety shell is respectively communicated with the pressurizing unit and the pressure relief unit; the containment comprises a pressure sensing unit positioned inside the containment, and the pressure sensing unit comprises a pressure signal output end; the charging unit comprises an electric charging air inlet valve, and the electric charging air inlet valve comprises a charging signal receiving end; the pressure relief unit comprises an electric pressure relief exhaust valve, and the electric pressure relief exhaust valve comprises a pressure relief signal receiving end; the data acquisition unit comprises a controller, the controller comprises a pressurizing signal output end, a pressure relief signal output end and a pressure signal receiving end, the pressurizing signal output end is electrically connected with the pressurizing signal receiving end, the pressure relief signal output end is electrically connected with the pressure relief signal receiving end, and the pressure signal output end is electrically connected with the pressure signal receiving end. According to the pressure signal output by the pressure sensor, the controller correspondingly sends a pressurizing signal and a pressure relief signal, so that the electric pressurizing air inlet valve and the electric pressure relief air outlet valve are regulated, the pressurizing and pressure relief speed of the containment vessel is influenced, and the risk of misoperation is avoided.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a containment vessel pressure relief system according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a safety shell pressure relief device according to the present utility model.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Fig. 1 is a schematic structural diagram of a containment vessel pressure relief system according to an embodiment of the present disclosure, and as shown in fig. 1, a containment vessel pressure relief system 100 includes: containment vessel 101, pressurizing unit 102, pressure relief unit 103, and data acquisition unit 104; containment vessel 101 communicates with pressurizing unit 102 and pressure relief unit 103, respectively; containment vessel 101 includes a pressure sensing unit 105 located inside containment vessel 101, pressure sensing unit 105 including a pressure signal output 1051; the pressurizing unit 102 comprises an electric pressurizing air inlet valve 106, and the electric pressurizing air inlet valve 106 comprises a pressurizing signal receiving end 1061; the pressure relief unit 103 comprises an electric pressure relief exhaust valve 107, and the electric pressure relief exhaust valve 107 comprises a pressure relief signal receiving end 1071; the data acquisition unit 104 includes a controller 108, the controller 108 includes a pressure-increasing signal output end 1081, a pressure-decreasing signal output end 1082, and a pressure signal receiving end 1083, the pressure-increasing signal output end 1081 is electrically connected to the pressure-increasing signal receiving end 1061, the pressure-decreasing signal output end 1082 is electrically connected to the pressure-decreasing signal receiving end 1071, and the pressure signal output end 1051 is electrically connected to the pressure signal receiving end 1083.

The containment vessel pressure relief system 100 is provided with a containment vessel 101, a pressure charging unit 102, a pressure relief unit 103 and a data acquisition unit 104, wherein the containment vessel 101 is used for controlling and limiting the diffusion of radioactive materials out of the reactor so as to protect the public from the radioactive materials. The containment vessel 101 is respectively communicated with the pressurizing unit 102 and the pressure relief unit 103, so that pressurizing and pressure relief operations of the containment vessel 101 are realized. The containment vessel 101 includes a pressure sensing unit 105 located inside the containment vessel 101, the pressure sensing unit 105 may be a pressure sensor, the pressure sensing unit 105 being configured to detect real-time pressure inside the containment vessel 101. The resolution of the pressure sensor is 0.0069kPa, the precision is + -0.1379 kPa, and the measuring range is 0-0.689Mpa. The pressure sensing unit 105 comprises a pressure signal output end 1051, the data acquisition unit 104 comprises a controller 108, the controller 108 comprises a pressure signal receiving end 1083, the pressure signal output end 1051 and the pressure signal receiving end 1083 are electrically connected through the pressure penetrating piece 10, and then real-time pressure signals in the containment vessel 101 are fed back to the controller 108, so that the controller 108 can conveniently control and regulate the pressure in the containment vessel 101. The pressurizing unit 102 comprises an electric pressurizing air inlet valve 106, and the electric pressurizing air inlet valve 106 comprises a pressurizing signal receiving end 1061; the controller 108 includes a charging signal output end 1081, the charging signal output end 1081 is electrically connected to the charging signal receiving end 1061, and in a charging test stage, the charging signal output by the controller 108 is received by the electric charging air intake valve 106, so as to adjust the opening of the electric charging air intake valve 106, thereby affecting the charging rate in the containment vessel 101. The pressure relief unit 103 comprises an electric pressure relief exhaust valve 107, and the electric pressure relief exhaust valve 107 comprises a pressure relief signal receiving end 1071; the controller 108 includes a pressure-increasing signal output end 1081, a pressure-decreasing signal output end 1082, and a pressure-decreasing signal receiving end 1083, where the pressure-decreasing signal output end 1082 is electrically connected to the pressure-decreasing signal receiving end 1071, and in the pressure-decreasing test phase, the pressure-decreasing signal output by the controller 108 is received by the electric pressure-decreasing exhaust valve 107, so as to adjust the opening of the electric pressure-decreasing exhaust valve 107, and further affect the pressure-decreasing rate in the containment vessel 101. The controller 108 is respectively and electrically connected with the pressure sensing unit 105, the electric pressurizing air inlet valve 106 and the electric pressure relief air outlet valve 107, the controller 108 receives pressure signals fed back by the pressure sensing unit 105 in real time, calculates the change rate of the pressure in the containment vessel 101 in real time, further automatically calculates the opening of the electric pressurizing air inlet valve 106 or the electric pressure relief air outlet valve 107 according to the target pressure value and the change rate of the pressure in the containment vessel 101 during pressure filling and relieving operation, automatically sends the pressurizing signals of the electric pressurizing air inlet valve 106 or the pressure relief signals of the electric pressure relief air outlet valve 107 along with the change of the pressure value in the containment vessel 101, maintains a certain pressure filling and relieving rate, simultaneously ensures the accuracy of filling and releasing the containment vessel 101, reduces the risk of human misoperation, and improves the test efficiency.

According to the embodiment of the utility model, the controller, the pressure sensing unit, the electric pressurizing air inlet valve and the electric pressure relief air outlet valve are arranged in the safety shell pressurizing and releasing system, and the controller is respectively and electrically connected with the pressure sensing unit, the electric pressurizing air inlet valve and the electric pressure relief air outlet valve, so that the controller can correspondingly adjust the opening of the electric pressurizing air inlet valve or the electric pressure relief air outlet valve according to the pressure signal fed back by the pressure sensing unit, output the control signal in real time, further influence the pressurizing and releasing speed in the safety shell, ensure the accuracy of controlling the opening of the electric pressurizing air inlet valve or the electric pressure relief air outlet valve, and reduce the safety risk.

Optionally, the pressurizing unit 102 further includes a pressurizing penetrating member 1021, a first air intake isolation valve 1022 and a second air intake isolation valve 1023, where the pressurizing penetrating member 1021 penetrates through the housing of the containment vessel 101, two ends of the pressurizing penetrating member 1021 are respectively connected to a first end of the first air intake isolation valve 1022 and a second end of the second air intake isolation valve 1023, the first air intake isolation valve 1022 is located inside the containment vessel 101, and a first end of the second air intake isolation valve 1023 is connected to a second end of the electric pressurizing air intake valve 106.

During the pressurizing operation of the containment vessel 101, a first air intake isolation valve 1022 is disposed inside the containment vessel 101, a second air intake isolation valve 1023 is disposed outside the containment vessel 101, a pipe connection is implemented between the first air intake isolation valve 1022 and the second air intake isolation valve 1023 through a pressurizing penetrating member 1021, during the pressurizing stage, the electric pressurizing air intake valve 106 is opened, and air outside the containment vessel 101 enters the inside of the containment vessel 101 through a first end of the electric pressurizing air intake valve 106, a second end of the electric pressurizing air intake valve 106, a first end of the second air intake isolation valve 1023, a second end of the second air intake isolation valve 1023, the pressurizing penetrating member 1021, a first end of the first air intake isolation valve 1022, and a second end of the first air intake isolation valve 1022 in sequence, so as to ensure the pressurizing effect of the containment vessel 101.

Optionally, the pressure relief unit 103 further includes a pressure relief penetrating member 1031, a first exhaust isolation valve 1032 and a second exhaust isolation valve 1033, where the pressure relief penetrating member 1031 penetrates through the shell of the containment vessel 101, two ends of the pressure relief penetrating member 1031 are respectively connected to the second end of the first exhaust isolation valve 1032 and the first end of the second exhaust isolation valve 1033, and the first exhaust isolation valve 1032 is located inside the containment vessel 101; a second end of the second vent isolation valve 1033 is connected to a first end of the electric pressure relief vent valve 107.

During the pressure relief operation of the containment vessel 101, a first exhaust isolation valve 1032 is disposed inside the containment vessel 101, a second exhaust isolation valve 1033 is disposed outside the containment vessel 101, a pipeline connection is implemented between the first exhaust isolation valve 1032 and the second exhaust isolation valve 1033 through a pressure relief penetrating member 1031, during the pressure relief stage, the electric pressure relief exhaust valve 107 is opened, and air in the containment vessel 101 is sequentially output to the outside of the containment vessel 101 through a first end of the first exhaust isolation valve 1032, a second end of the first exhaust isolation valve 1032, the pressure relief penetrating member 1031, a first end of the second exhaust isolation valve 1033, a second end of the second exhaust isolation valve 1033, a first end of the electric pressure relief exhaust valve 107, and a second end of the electric pressure relief exhaust valve 107, thereby ensuring a pressure relief effect of the containment vessel 101.

Optionally, the second end of the second exhaust isolation valve 1033 is connected to the first end of the electric pressure relief exhaust valve 107 through a first pipe 109, and the second end of the electric pressure relief exhaust valve 107 is connected to a second pipe 110; the pressure relief unit 103 further comprises a first heating unit 111 and a second heating unit 112, the first heating unit 111 at least partly covering the first conduit 109 and the second heating unit 112 at least partly covering said second conduit 110; the first heating unit 111 includes a first heating signal receiving terminal 1111, the second heating unit 112 includes a second heating signal receiving terminal 1121, the controller 108 includes a first heating signal output terminal 1084 and a second heating signal output terminal 1085, the first heating signal output terminal 1084 is electrically connected to the first heating signal receiving terminal 1111, and the second heating signal output terminal 1085 is electrically connected to the second heating signal receiving terminal 1121.

In this case, during the pressure relief process of the containment vessel 101, the gas releases heat, so that the first pipe 109 connected between the second end of the second exhaust isolation valve 1033 and the first end of the electric pressure relief valve 107 and the second pipe 110 connected between the second end of the electric pressure relief valve 107 may be frosted or frozen, which seriously affects the pressure relief effect. For this purpose, a first heating unit 111 is disposed on the outer wall of the first pipe 109, and a second heating unit 112 is disposed on the outer wall of the second pipe 110, where the first heating unit 111 and the second heating unit 112 may be heat tracing bands, which can convert electric energy into heat energy, and perform thermal compensation on the first pipe 109 and the second pipe 110 through direct or indirect heat exchange, so as to achieve a heat preservation effect. The first heating signal receiving end 1111 of the first heating unit 111 is electrically connected to the first heating signal output end 1084 of the controller 108, the second heating signal receiving end 1121 of the second heating unit 112 is electrically connected to the second heating signal output end 1085 of the controller 108, and the controller 108 outputs the first heating signal and the second heating signal, so as to adjust the heating effect of the first heating unit 111 and the second heating unit 112, prevent frosting or freezing on the first pipe 109 and the second pipe 110 in the pressure relief unit 103, and ensure the pressure relief effect.

Optionally, the pressure relief unit 103 further includes a first temperature sensing unit 113 and a second temperature sensing unit 114, where the first temperature sensing unit 113 includes a first temperature signal output end 1131 and a first temperature signal acquisition end 1132, and the second temperature sensing unit 114 includes a second temperature signal output end 1141 and a second temperature signal acquisition end 1142; the controller 108 includes a first temperature signal receiving terminal 1086 and a second temperature signal receiving terminal 1087; the first temperature signal output terminal 1131 is electrically connected to the first temperature signal receiving terminal 1086, and the second temperature signal output terminal 1141 is electrically connected to the second temperature signal receiving terminal 1087; the first conduit 109 includes a first temperature signal feedback end 1091 and the second conduit 110 includes a second temperature signal feedback end 1101, the first temperature signal acquisition end 1132 is electrically coupled to the first temperature signal feedback end 1091, and the second temperature signal acquisition end 1142 is electrically coupled to the second temperature signal feedback end 1101.

The first temperature sensing unit 113 is respectively connected between the first pipe 109 and the controller 108, the first temperature signal collecting end 1132 is electrically connected with the first temperature signal feedback end 1091, and the first temperature signal collecting end 1132 of the first temperature sensor collects temperature changes of the first pipe 109 fed back by the first temperature signal feedback end 1091 in real time; the first temperature signal output end 1131 is electrically connected to the first temperature signal receiving end 1086, and the first temperature signal output end 1131 of the first temperature sensor outputs a first temperature signal to the first temperature signal receiving end 1086 of the controller 108, so that the controller 108 is convenient to control the heating state of the first heating unit 111 according to the first temperature signal, and the first pipeline 109 in the pressure relief process is prevented from being frosted or frozen. The second temperature sensing unit 114 is respectively connected between the second pipeline 110 and the controller 108, the second temperature signal acquisition end 1142 is electrically connected with the second temperature signal feedback end 1101, and the second temperature signal acquisition end 1142 of the second temperature sensor acquires the temperature change of the second pipeline 110 fed back by the second temperature signal feedback end 1101 in real time; the second temperature signal output end 1141 of the second temperature sensor outputs a second temperature signal to the second temperature signal receiving end 1087 of the controller 108, so that the controller 108 is convenient to control the heating state of the second heating unit 112 according to the second temperature signal, and the second pipe 110 is prevented from being frosted or frozen during the pressure relief process. The first temperature sensing unit 113 and the second temperature sensing unit 114 may be temperature sensors for monitoring temperature changes on the first pipe 109 and the second pipe 110 in the pressure relief unit 103, so as to prevent the first pipe 109 and the second pipe 110 from frosting or freezing due to excessively fast pressure relief rate and reduced gas temperature. The resolution of the temperature sensor is 0.055 ℃ and the precision is +/-0.55 ℃.

Optionally, the data acquisition unit 104 further includes an upper computer 115; the upper computer 115 includes a feedback signal receiving end 1151 and a control signal output end 1152; the controller 108 includes a feedback signal output 1088 and a control signal receiving terminal 1089; the feedback signal receiver 1151 is in communication with a feedback signal output 1088; the control signal output 1152 is communicatively coupled to a control signal receiver 1089.

The data acquisition unit 104 is provided with an upper computer 115, the software development environment is designed by using LABVIEW, which is a graphical programming language for creating an application program by using icons instead of text lines, and provides a plurality of controls with appearance similar to that of a traditional instrument, so that a user operation interface can be conveniently created, and the display function of the upper computer 115 is further realized. The upper computer 115 is connected with the controller 108, the feedback signal output end 1088 of the controller 108 is in communication connection with the feedback signal receiving end 1151 of the upper computer 115, so that the feedback signal output by the controller 108 can be received by the upper computer 115, the feedback signal comprises a pressure feedback signal and a temperature feedback signal, the upper computer 115 can display the pressure feedback signal and the temperature feedback signal, meanwhile, the control signal output by the upper computer 115 can be received by the controller 108, the controller 108 can output a pressurizing signal, a pressure relief signal, a first heating signal and a second heating signal, and then the pressurizing operation, the pressure relief operation and the heating operation in the pressure relief operation process of the containment 101 are realized, and the pressurizing and pressure relief rate and the pressurizing and releasing precision of the containment 101 are ensured.

Optionally, the upper computer 115 further includes a display unit, where the display unit displays the feedback signal.

Wherein, be provided with display element in the host computer 115, display element can be the touch-control display screen, but the feedback signal receiving end 1151 of feedback signal to host computer 115 is outputted to the feedback signal output end 1088 of controller 108, and then can be by display element demonstration feedback signal, feedback signal can include pressure feedback signal and temperature feedback signal, the operating personnel of being convenient for looks over, simultaneously operating personnel can carry out output operation instruction at display element, and then the controller 108 of being convenient for adjusts the pressure-charging or the release operation of containment 101, and the heating effect of first heating element 111 and second heating element 112.

Optionally, the pressurizing unit 102 further includes an air compressor unit 116, a cooler 117, an air dryer 118, and a filter 119 connected in sequence, and the filter 119 is connected to a first end of the electric pressurizing intake valve 106.

Wherein the pressurizing unit 102 comprises an air compressor unit 116, a cooler 117, an air dryer 118 and a filter 119 connected in sequence by pipes, the air compressor unit 116 can provide at least 20388m ³ Flow rate/h, and back pressure was maintained at 0.689MPa. The air compressor package 116 is used to generate high pressure compressed air. The filter 119 is used to filter impurities in the high-pressure compressed air generated by the air compressor unit 116, and requires the capability of purifying dust and particles of 3 μm or more to be 99% so that the cleanliness of the compressed air satisfies the test requirements. The cooler 117 is used to adjust the temperature of the high-pressure compressed air generated by the air compressor unit 116 so that the temperature of the high-pressure compressed air satisfies the test requirements. The air dryer 118 is used for removing redundant water vapor in the high-pressure compressed air generated by the air compressor unit 116, so that the humidity of the high-pressure compressed air meets the test requirements. Outlet of filter 119The mouth end is connected with the first end of the electric pressurizing air intake valve 106, and then when the electric pressurizing air intake valve 106 is opened, the pressurizing operation in the containment vessel 101 is performed.

Optionally, air compressor package 116 includes at least six air compressors 1161, with air compressors 1161 connected in parallel.

Six air compressors 1161 are arranged in the exemplary diagram, typically seven air compressors 1161 are actually arranged in the air compressor unit 116, six air compressors 1161 are used for working, another air compressor 1161 is used as a standby device, six air compressors 1161 are connected in parallel, an outlet end of each air compressor 1161 is connected with the cooler 117 through a pipeline, and high-pressure compressed air generated by the air compressors 1161 is injected into the containment vessel 101 in a pressurizing stage of the containment vessel 101, so that the pressure in the containment vessel 101 rises, and the pressurizing operation is completed.

Fig. 2 is a schematic structural diagram of a pressure relief device for a containment vessel according to the present disclosure, and as shown in fig. 2, a pressure relief device 200 for a containment vessel includes the pressure relief system 100 according to any one of the above embodiments. It should be noted that, since the safety shell pressure relief device 200 provided in the present embodiment includes any safety shell pressure relief system 100 provided in the embodiment of the present utility model, the safety shell pressure relief system 100 has the same or corresponding beneficial effects, and will not be described herein.

The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A containment vessel pressure relief system, comprising:

the device comprises a containment, a pressurizing unit, a pressure relief unit and a data acquisition unit;

the containment vessel is respectively communicated with the pressurizing unit and the pressure relief unit; the containment comprises a pressure sensing unit positioned inside the containment, and the pressure sensing unit comprises a pressure signal output end;

the pressurizing unit comprises an electric pressurizing air inlet valve, and the electric pressurizing air inlet valve comprises a pressurizing signal receiving end; the pressure relief unit comprises an electric pressure relief exhaust valve, and the electric pressure relief exhaust valve comprises a pressure relief signal receiving end;

the data acquisition unit comprises a controller, the controller comprises a pressurizing signal output end, a pressure relief signal output end and a pressure signal receiving end, the pressurizing signal output end is electrically connected with the pressurizing signal receiving end, the pressure relief signal output end is electrically connected with the pressure relief signal receiving end, and the pressure signal output end is electrically connected with the pressure signal receiving end.

2. The containment inflation pressure relief system of claim 1, wherein the inflation unit further comprises an inflation penetration, a first intake isolation valve, and a second intake isolation valve;

the pressure filling penetrating piece penetrates through the shell of the containment, two ends of the pressure filling penetrating piece are respectively connected with the first end of the first air inlet isolation valve and the second end of the second air inlet isolation valve, the first air inlet isolation valve is located inside the containment, and the first end of the second air inlet isolation valve is connected with the second end of the electric pressure filling air inlet valve.

3. The containment vessel pressure relief system of claim 1, wherein the pressure relief unit further comprises a pressure relief penetration, a first vent isolation valve, and a second vent isolation valve;

the pressure relief penetrating piece penetrates through the shell of the containment, two ends of the pressure relief penetrating piece are respectively connected with the second end of the first exhaust isolation valve and the first end of the second exhaust isolation valve, and the first exhaust isolation valve is positioned in the containment; the second end of the second exhaust isolation valve is connected with the first end of the electric pressure relief exhaust valve.

4. The containment vessel pressure relief system as claimed in claim 3, wherein the second end of the second vent isolation valve is connected to the first end of the electric pressure relief vent valve by a first conduit, the second end of the electric pressure relief vent valve being connected to a second conduit;

the pressure relief unit further comprises a first heating unit at least partially covering the first conduit and a second heating unit at least partially covering the second conduit; the first heating unit comprises a first heating signal receiving end, the second heating unit comprises a second heating signal receiving end, the controller comprises a first heating signal output end and a second heating signal output end, the first heating signal output end is electrically connected with the first heating signal receiving end, and the second heating signal output end is electrically connected with the second heating signal receiving end.

5. The containment vessel pressure relief system as claimed in claim 4, wherein the pressure relief unit further comprises a first temperature sensing unit and a second temperature sensing unit, the first temperature sensing unit comprising a first temperature signal output and a first temperature signal acquisition, the second temperature sensing unit comprising a second temperature signal output and a second temperature signal acquisition;

the controller comprises a first temperature signal receiving end and a second temperature signal receiving end;

the first temperature signal output end is electrically connected with the first temperature signal receiving end, and the second temperature signal output end is electrically connected with the second temperature signal receiving end;

the first pipeline comprises a first temperature signal feedback end, the second pipeline comprises a second temperature signal feedback end, the first temperature signal acquisition end is electrically connected with the first temperature signal feedback end, and the second temperature signal acquisition end is electrically connected with the second temperature signal feedback end.

6. The containment vessel pressure relief system as claimed in claim 1, wherein the data acquisition unit further comprises an upper computer; the upper computer comprises a feedback signal receiving end and a control signal output end; the controller comprises a feedback signal output end and a control signal receiving end; the feedback signal receiving end is in communication connection with the feedback signal output end; the control signal output end is in communication connection with the control signal receiving end.

7. The containment vessel pressure relief system as recited in claim 6, wherein the host computer further comprises a display unit, the display unit displaying the feedback signal.

8. The containment inflation and deflation system of claim 1, wherein the inflation unit further comprises an air compressor train, a cooler, an air dryer, and a filter connected in sequence, the filter connected to the first end of the electric inflation inlet valve.

9. The containment inflation pressure relief system of claim 8, wherein the air compressor train comprises at least six air compressors, the air compressors being connected in parallel.

10. A containment vessel pressure relief device comprising a containment vessel pressure relief system as claimed in any one of claims 1 to 9.