CN204364748U - Fusible plug control panel - Google Patents
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- CN204364748U CN204364748U CN201420850833.2U CN201420850833U CN204364748U CN 204364748 U CN204364748 U CN 204364748U CN 201420850833 U CN201420850833 U CN 201420850833U CN 204364748 U CN204364748 U CN 204364748U
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- 238000001914 filtration Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 4
- 230000006837 decompression Effects 0.000 description 8
- 239000000523 sample Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Abstract
A kind of fusible plug control panel, is provided with: a fusible plug control panel casing, is provided with in fusible plug control panel casing: one filter pressure-reduction module, by pneumatic link and filter the pressurising module and actuation of an alarm module that pressure-reduction module is connected successively; Wherein, actuation of an alarm module comprises: several triple valve, one end of several triple valve is connected with the outlet of filtering pressure-reduction module by pneumatic link, the pneumatic link that the other end is connected with fusible plug pneumatic link interface is respectively connected, releasing of several triple valve holds the pneumatic link be connected with drench valve pneumatic link interface to connect, and fusible plug pneumatic link interface, drench valve pneumatic link interface and several triple valve form several alarm circuit by pneumatic link.The utility model can make fast directly response to the fire condition occurred on ocean platform, linkage starts fire-fighting system and carries out fire-fighting; For quick detection in case of fire and the quick fire protection that starts provide technology guarantee.
Description
Technical Field
The utility model relates to an alarm device especially relates to an fusible plug control panel that is used for carrying out fire detection warning on platform. Belongs to the field of marine petroleum engineering.
Background
The ocean platform is used as a main facility for developing the offshore oil and gas field, and due to the limited operation space and the high concentration of oil and gas treatment equipment, the fire of single equipment is easy to spread to become a disaster of the whole platform, which may cause a great amount of casualties, serious economic loss and ocean ecological damage. Therefore, in order to better realize the safe production of the ocean platform and reduce the loss, the establishment of a fire detection system with stable and reliable performance and timely action response is very important.
The fire gas system is an important component of the ocean platform safety instrument system, and the fire gas detection equipment is used for timely and accurately detecting possible or occurring fire or dangerous gas leakage of the platform; meanwhile, the detected fire signal is remotely transmitted to a fire and gas system of a central control room, and corresponding processing is carried out by system logic, so that corresponding alarming, turning-off, fire-fighting and control functions are realized, and safety guarantee is provided for platform operators and production facilities.
At present, in a dangerous area where oil and gas are dense and fire is easy to happen, a certain number of flame probes are usually installed as fire detection equipment for detecting possible or occurred fire or dangerous gas leakage. However, due to a large number of process and fire-fighting pipelines which are alternatively laid along the top layer of the platform deck above the oil and gas treatment equipment, the detection visual angle of the flame probe is seriously blocked; and because the size of the process equipment is larger, the flame probe forms a detection blind area for the fire around the flame probe.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to overcome the above disadvantages of the prior art, and to provide a fusible plug control panel, which not only can make a quick and direct response to the fire condition occurring on the ocean platform, but also can start the fire-fighting system in linkage to fight fire; moreover, the device is simple in structure, easy to operate and maintain, complementary with a field flame probe and capable of providing technical guarantee for rapid detection and rapid starting of fire-fighting measures under the condition of fire.
The utility model aims at being realized by following technical scheme:
a fusible plug control panel, comprising: is provided with: the fusible plug control panel box is internally provided with: the filtering and pressure reducing module, the pressurizing module and the alarming action module are sequentially connected with the filtering and pressure reducing module through a pneumatic connecting pipe; wherein,
the filtration and pressure reduction module comprises: the first interface is communicated with an instrument air source of the ocean platform, the instrument air source is connected through a plurality of filtering and reducing valves to form a reducing loop, and a plurality of ball valves are arranged on the reducing loop and are used as bypasses during maintenance of the filtering and reducing valves; the pressure reducing loop is also provided with a pressure transmitter which is used for detecting the pressure of the instrument air and transmitting the detection result to the process control system of the central control room for alarming and displaying; the isolation of the pressure transmitter and an instrument air source is realized through a stop relief valve which is arranged on the pneumatic connecting pipe and between the pressure transmitters; the input end and the output end of the pressure reduction loop are respectively provided with a pressure gauge; the pressure gauge is isolated from the pneumatic connecting pipe through a plurality of stop and discharge valves respectively;
the pressurizing module comprises: the filter device comprises a first three-way valve and a plurality of pneumatic pilot valves, wherein one end of the first three-way valve is communicated with an outlet of a filtering and pressure reducing module, and the other end of the first three-way valve is communicated with a fusible plug pneumatic connecting pipe through a plurality of check valves, a second interface and a third interface respectively; one end of each pneumatic pilot valve is communicated with the outlet of the filtering and pressure reducing module, and the other end of each pneumatic pilot valve is communicated with the fusible plug pneumatic connecting pipe through a plurality of flow limiting pore plates;
the alarm action module includes: one end of the second three-way valves is connected with an outlet of the filtering and pressure reducing module through a pneumatic connecting pipe, the other end of the second three-way valves is respectively communicated with the pneumatic connecting pipe connected with the interface of the pneumatic connecting pipe of the fusible plug, the discharge ends of the second three-way valves are communicated with the pneumatic connecting pipe connected with the interface of the pneumatic connecting pipe of the deluge valve, and the interface of the pneumatic connecting pipe of the fusible plug, the interface of the pneumatic connecting pipe of the deluge valve and the second three-way valves form a plurality of alarm loops through the pneumatic connecting pipes; the plurality of alarm loops are respectively provided with a second pressure transmitter for detecting the pressure of the fusible plug pneumatic connecting pipe and remotely transmitting the detection result to a central control room fire gas system for alarm display; the second stop and release valve is arranged on the pneumatic connecting pipe and between the second pressure transmitter, so that the second pressure transmitter is isolated from the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface; the input ends of the plurality of alarm loops are respectively provided with a second pressure gauge; the second pressure gauge is respectively isolated from the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface through a plurality of second stop relief valves; a pneumatic pilot valve, a check valve and a flow-limiting orifice plate in the pressurizing module, and a second manual three-way valve, a pressure gauge, a pressure transmitter, a stop and release valve, an fusible plug pneumatic connecting pipe interface and a rain valve pneumatic connecting pipe interface in the alarm action module are connected through a pneumatic connecting pipe to form a main fusible plug loop; the pneumatic pilot valve, the check valve and the flow-limiting orifice plate in the pressurizing module, the second manual three-way valve in the alarm action module, the pressure gauge, the pressure transmitter, the stop and release valve, the pneumatic pilot valve, the fusible plug pneumatic connecting pipe interface, the control panel and the deluge valve pneumatic connecting pipe interface are connected through the pneumatic connecting pipe to form a spare fusible plug loop.
The first and second three-way valves are: and the manual three-way valve is arranged on the fusible plug control panel box body.
The first interface, the instrument air source, the first and second three-way valves, the pneumatic pilot valve, the filtering and pressure reducing module and all the parts are connected through pneumatic connecting pipes.
And a support is arranged at the bottom of the fusible plug control panel box body and is connected with a fixed base.
The first pressure gauge, the second pressure gauge, the first three-way valve and the second three-way valve are arranged on the front side of the box body of the fusible plug control panel; an instrument junction box is arranged on the side surface of the fusible plug control panel box body, and a plurality of interfaces which are respectively connected with an ocean platform instrument air source, the fusible plug and the deluge valve are arranged below the instrument junction box; the top of the box body of the fusible plug control panel is provided with a hoisting point for hoisting the control panel; the rear side of the fusible plug control panel box body is provided with a cabinet door for maintaining the control panel.
The utility model has the advantages that: by adopting the technical scheme, the utility model not only can make quick and direct response to the fire condition appearing on the ocean platform, but also can start the fire-fighting system to fight fire in a linkage manner; moreover, the device has simple structure and easy operation and maintenance, can be complemented with a field flame probe, and provides technical guarantee for rapid detection and rapid starting of fire-fighting measures under the condition of fire; meanwhile, the control panel is small in size, and the number of fusible plug loops can be expanded at will.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic view of the external front view of the present invention.
Fig. 3 is a schematic view of the external rear view of the present invention.
Fig. 4 is a schematic external side view of the present invention.
The main reference numbers in the figures illustrate:
1. the pressure-reducing valve comprises a filtering pressure-reducing module, a 2 pressure-charging module, a3 alarm action module, a 4 junction box, a 5 support, a 6 fixed base, a 7 grounding bolt, 8 lifting points, a 9 control panel door, a 1A pressure transmitter, a 1B.1 stop relief valve, a 1B.2 stop relief valve, a 1B.3 stop relief valve, a 1C.1 pressure gauge, a 1C.2 pressure gauge, a 1D.1 filter pressure-reducing valve, a 1D.2 filter pressure-reducing valve, a 1E.1 ball valve, a 1E.2 ball valve, a 1E.3 ball valve, a 1E.4 ball valve, a 2F manual three-way valve, a 2G.1 pneumatic pilot valve, a 2G.2 pneumatic pilot valve, a 2H.1 check valve, a 2H.2 check valve, a 2I.1 flow-limiting pilot valve, a 2I.2 flow limiting orifice plate, a 3A.1 pressure transmitter, a 3A.2 pressure transmitter, a 3B.1 stop relief valve, a 3B.2 stop relief valve, a3 B.3.3 stop valve, a 3B.3 C.2 flow limiting orifice plate, a3 C.3 pressure gauge, a 3C.2 flow limiting pilot valve, 3J.1 manual three-way valve, 3J.2 manual three-way valve, A11 control panel and instrument air source interface, A31 fusible plug pneumatic connecting pipe interface, A32 deluge valve pneumatic connecting pipe interface, A33 fusible plug pneumatic connecting pipe interface.
Detailed Description
Referring to fig. 1, 2, 3 and 4, the present invention is provided with: the fusible plug control panel box is internally provided with: a filtering and pressure reducing module 1, a pressurizing module 2 and an alarming action module 3 which are sequentially connected with the filtering and pressure reducing module 1 through a pneumatic connecting pipe; wherein, filtration decompression module 1 includes: an interface A11, this interface A11 pass through pneumatic connecting pipe and platform instrument air supply switch-on to provide the air supply, the instrument air supply is connected through pneumatic connecting pipe, several filter relief pressure valve (1D.1, 1D.2) and is constituted a decompression return circuit, realizes filtering the decompression, installs the several ball valve on the decompression return circuit, includes: the ball valves 1E.1 and 1E.3 and the ball valves 1E.2 and 1E.4 are used for filtering the bypass when the pressure reducing valves 1D.1 and 1D.2 are maintained; the pressure reducing loop is also provided with a pressure transmitter 1A which is used for detecting the pressure of the instrument air and transmitting the detection result to a process control system of a central control room for alarm display through a cable; the isolation of the pressure transmitter 1A and an instrument air source is realized through a stop relief valve 1B.1 which is arranged on the pneumatic connecting pipe and between the pressure transmitters 1A; pressure gauges (1C.1 and 1C.2) are respectively arranged at the input end and the output end of the decompression loop, and the pressures before and after the filtration and decompression of the instrument gas are displayed on site through the pressure gauges (1C.1 and 1 C.2); and the pressure gauges (1C.1 and 1C.2) are respectively isolated from the pneumatic connecting pipe through a plurality of stop and relief valves (1B.2 and 1 B.3).
The pressurizing module 2 includes: the device comprises a manual three-way valve 2F and a plurality of pneumatic pilot valves (2G.1 and 2G.2), wherein one end of the manual three-way valve 2F is communicated with an outlet of the filtering and pressure reducing module 1 through a pneumatic connecting pipe, and the other end of the manual three-way valve 2F is communicated with a pneumatic connecting pipe of the fusible plug through a plurality of check valves (2H.1 and 2H.2) and interfaces (A31 and A33); one end of each pneumatic pilot valve (2G.1 and 2G.2) is communicated with the outlet of the filtering and pressure reducing module 1 through a pneumatic connecting pipe, and the other end of each pneumatic pilot valve is communicated with the fusible plug pneumatic connecting pipe through a plurality of flow limiting pore plates (2I.1 and 2 I.2).
When the pneumatic control valve works, the pilot end of the plurality of pneumatic pilot valves (2G.1 and 2G.2) is communicated with the pneumatic connecting pipe of the fusible plug through the pneumatic connecting pipe, after the manual three-way valve 2F is pressed down on the control panel, the instrument gas pressurizes the pneumatic connecting pipe of the fusible plug of the control panel through the plurality of check valves (2H.1 and 2H.2), when the pressure in the pneumatic connecting pipe of the fusible plug is increased to a certain value, the plurality of pneumatic pilot valves (2G.1 and 2G.2) are communicated, after the pressure in the pneumatic connecting pipe of the fusible plug is stabilized, the manual three-way valve 2F is reset, the pneumatic connecting pipe connected with the plurality of check valves (2H.1 and 2H.2) is decompressed, and the plurality of check valves (2H.1 and 2H.2) prevent the pressure in the pneumatic connecting pipe of the fusible plug. Under normal operating mode, several current-limiting orifice plate (2I.1, 2I.2) realize for the normal pressure release of the pneumatic connecting pipe of control panel fusible plug and mend the pressure, when the conflagration breaks out, the pressure release of the pneumatic connecting pipe of fusible plug, several current-limiting orifice plate (2I.1, 2I.2) can not in time give the pneumatic connecting pipe of fusible plug and mend the pressure, after the atmospheric pressure drops to a definite value in the pneumatic connecting pipe of fusible plug, several pneumatic pilot valve (2G.1, 2G.2) end, the pneumatic connecting pipe of fusible plug is kept apart with 1 air supply of filtration decompression module.
The alarm action module 3 includes: a plurality of manual three-way valves (3J.1, 3J.2), wherein one end of each of the manual three-way valves (3J.1, 3J.2) is connected with an outlet of the filtering and pressure reducing module 1 through a pneumatic connecting pipe, the other end of each of the manual three-way valves (3J.1, 3J.2) is respectively communicated with the pneumatic connecting pipes connected with the pneumatic connecting pipe interfaces (A31, A33) of the fusible plugs through the pneumatic connecting pipes, the discharge ends of the manual three-way valves (3J.1, 3J.2) are communicated with the pneumatic connecting pipes connected with the pneumatic connecting pipe interfaces of the deluge valve, and the pneumatic connecting pipe interfaces (A31, A33) of the fusible plugs, the pneumatic connecting pipe interfaces (A32) of the deluge valve and the manual three-way valves (3J.1, 3J.2) form an alarm loop through; pressure transmitters (3A.1 and 3A.2) are respectively arranged on the alarm loop and used for detecting the pressure of the fusible plug pneumatic connecting pipe, and the detection result is remotely transmitted to a central control room fire gas system through a cable to be alarmed and displayed; the fusible plug pneumatic connecting pipes connected with the pressure transmitters (3A.1, 3A.2) and the fusible plug pneumatic connecting pipe interfaces (A31, A32) are isolated by stop and relief valves (3B.2, 3B.4) arranged on the pneumatic connecting pipes and between the pressure transmitters (3A.1, 3 A.2); pressure gauges (3C.1 and 3C.2) are respectively installed at the input ends of the alarm loops, and the pressure of the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interfaces (A31 and A33) is displayed on site through the pressure gauges (3C.1 and 3 C.2); and the pressure gauges (3C.1, 3C.2) are respectively isolated from the fusible plug pneumatic connecting pipes connected with the fusible plug pneumatic connecting pipe interfaces (A31, A33) through a plurality of stop and relief valves (3B.1, 3 B.3).
When the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A31 breaks down, the bypass of the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A31 is realized by pressing the manual three-way valve 3J.1 on the control panel surface, so that the use function of the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A33 is not influenced; the pressure transmitter 3A.1 detects the pressure of the fusible plug pneumatic connecting pipe, the detection result is remotely transmitted to a fire-gas system of a central control room through a cable to be displayed in an alarm manner, and the isolation of the fusible plug pneumatic connecting pipe connected between the pressure transmitter 3A.1 and the fusible plug pneumatic connecting pipe interface A31 is realized through the stop and release valve 3 B.2; at the input end of the fusible plug control panel, the pressure of the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A31 can be displayed on site through a pressure gauge 3C.1, and the pressure gauge 3C.1 is isolated from the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A31 through a stop relief valve 3 B.1; a pneumatic pilot valve 2G.1, a check valve 2H.1, a flow-limiting orifice plate 2I.1 in the pressurizing module 2 and a manual three-way valve 3J.1, a pressure gauge 3C.1, a pressure transmitter 3A.1, stop and release valves 3B.1 and 3B.2, an fusible plug pneumatic connecting pipe interface A31 and a deluge valve pneumatic connecting pipe interface A32 in the alarm action module 3 are connected through a pneumatic connecting pipe to form a main fusible plug loop; when a fire disaster occurs, the fusible plug is melted, the pressure of the main fusible plug loop is relieved, the pressure of the main fusible plug loop is reduced, the pneumatic pilot valve 2G.1 in the pressurizing module 2 is cut off after the pressure of the main fusible plug loop is reduced to a certain value, the main fusible plug loop is isolated from the filtering and pressure reducing module 1, the fire system of the central control room detects that the pressure transmitter 3A.1 gives an alarm and sends a signal for starting the fire pump, and meanwhile, the pressure of the main fusible plug loop is relieved, so that the action of the deluge valve connected with the pneumatic connecting pipe interface A32 of the deluge valve is triggered.
When the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A33 breaks down, the bypass of the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A33 is realized by pressing the manual three-way valve 3J.2 on the control panel surface, so that the use function of the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A31 is not influenced; the pressure transmitter 3A.2 detects the pressure of the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A33, the detection result is remotely transmitted to a central control room fire-gas system through a cable to be displayed in an alarm manner, and the isolation of the fusible plug pneumatic connecting pipe connected with the pressure transmitter 3A.2 and the fusible plug pneumatic connecting pipe interface A33 is realized through the stop release valve 3 B.4; at the input end of the fusible plug control panel, the pressure of the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A33 can be displayed on site through a pressure gauge 3C.2, and the pressure gauge 3C.2 is isolated from the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface A33 through a stop relief valve 3 B.3; a pneumatic pilot valve 2G.2, a check valve 2H.2, a flow-limiting orifice plate 2I.2 in the pressurizing module 2, a manual three-way valve 3J.2 in the alarm action module 3, a pressure gauge 3C.2, a pressure transmitter 3A.2, a stop and release valve 3B.3, a stop and release valve 3B.4, a pneumatic pilot valve 3G, an fusible plug pneumatic connecting pipe interface A33 and a raining valve pneumatic connecting pipe interface A32 in the alarm action module 3 are connected through a pneumatic connecting pipe to form a spare fusible plug loop; when a fire disaster occurs, the fusible plug is melted, the spare fusible plug loop is decompressed, the pressure of the spare fusible plug loop is reduced, the pressure of the spare fusible plug loop cannot be timely supplemented by the current-limiting orifice plate 2I.2 in the pressurizing module 2, after the pressure of the spare fusible plug loop is reduced to a certain value, the pneumatic pilot valve 2G.2 in the pressurizing module 2 is cut off, the spare fusible plug loop is isolated from the filtering and decompressing module 1, the central control room fire system detects that the pressure transmitter 3A.2 gives an alarm and sends a signal for starting a fire pump, meanwhile, the spare fusible plug loop is decompressed, the pneumatic pilot valve 3G decompresses a pneumatic connecting pipe connected with a pneumatic connecting pipe interface A32 of the deluge valve, and the deluge valve connected with the pneumatic connecting pipe interface A32 of the deluge valve is triggered to act.
The bottom of the fusible plug control panel box body is provided with a support 5 in a welding mode, the support 5 is connected with a fixed base 6 through a grounding bolt 7, and the fixed base 6 is arranged on an ocean platform deck in a welding mode; the front side of the fusible plug control panel box body is provided with: a plurality of pressure gauges (1C.1, 1C.2) for displaying pressures before and after filtration and decompression, a manual three-way valve 2F button for inflating the control panel, a plurality of pressure gauges (3C.1, 3C.2) for displaying pressure of the fusible plug pneumatic connecting pipe, and a plurality of manual three-way valve (3J.1, 3J.2) buttons for bypassing the fusible plug pneumatic connecting pipe; an instrument junction box 4 is arranged on the side surface of the fusible plug control panel box body, and a plurality of interfaces (A11, A31, A33 and A32) which are respectively connected with an ocean platform instrument air source, a fusible plug and a deluge valve are arranged below the instrument junction box 4; the top of the fusible plug control panel box body is provided with a hoisting point 8 for hoisting the control panel; and a cabinet door 9 for maintaining the control panel is arranged at the rear side of the fusible plug control panel box body.
The pressure transmitter, the stop relief valve, the pressure gauge, the filtering and pressure reducing valve, the ball valve, the manual three-way valve, the pneumatic pilot valve, the check valve and the flow-limiting orifice plate are all commercially available products; the three control modules are in the prior art; the content not described in the present embodiment is related to the prior art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.
Claims (5)
1. A fusible plug control panel, comprising: is provided with: the fusible plug control panel box is internally provided with: the filtering and pressure reducing module, the pressurizing module and the alarming action module are sequentially connected with the filtering and pressure reducing module through a pneumatic connecting pipe; wherein,
the filtration and pressure reduction module comprises: the first interface is communicated with an instrument air source of the ocean platform, the instrument air source is connected through a plurality of filtering and reducing valves to form a reducing loop, and a plurality of ball valves are arranged on the reducing loop and are used as bypasses during maintenance of the filtering and reducing valves; the pressure reducing loop is also provided with a pressure transmitter which is used for detecting the pressure of the instrument air and transmitting the detection result to the process control system of the central control room for alarming and displaying; the isolation of the pressure transmitter and an instrument air source is realized through a stop relief valve which is arranged on the pneumatic connecting pipe and between the pressure transmitters; the input end and the output end of the pressure reduction loop are respectively provided with a pressure gauge; the pressure gauge is isolated from the pneumatic connecting pipe through a plurality of stop and discharge valves respectively;
the pressurizing module comprises: the filter device comprises a first three-way valve and a plurality of pneumatic pilot valves, wherein one end of the first three-way valve is communicated with an outlet of a filtering and pressure reducing module, and the other end of the first three-way valve is communicated with a fusible plug pneumatic connecting pipe through a plurality of check valves, a second interface and a third interface respectively; one end of each pneumatic pilot valve is communicated with the outlet of the filtering and pressure reducing module, and the other end of each pneumatic pilot valve is communicated with the fusible plug pneumatic connecting pipe through a plurality of flow limiting pore plates;
the alarm action module includes: one end of the second three-way valves is connected with an outlet of the filtering and pressure reducing module through a pneumatic connecting pipe, the other end of the second three-way valves is respectively communicated with the pneumatic connecting pipe connected with the interface of the pneumatic connecting pipe of the fusible plug, the discharge ends of the second three-way valves are communicated with the pneumatic connecting pipe connected with the interface of the pneumatic connecting pipe of the deluge valve, and the interface of the pneumatic connecting pipe of the fusible plug, the interface of the pneumatic connecting pipe of the deluge valve and the second three-way valves form a plurality of alarm loops through the pneumatic connecting pipes; the plurality of alarm loops are respectively provided with a second pressure transmitter for detecting the pressure of the fusible plug pneumatic connecting pipe and remotely transmitting the detection result to a central control room fire gas system for alarm display; the second stop and release valve is arranged on the pneumatic connecting pipe and between the second pressure transmitter, so that the second pressure transmitter is isolated from the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface; the input ends of the plurality of alarm loops are respectively provided with a second pressure gauge; the second pressure gauge is respectively isolated from the fusible plug pneumatic connecting pipe connected with the fusible plug pneumatic connecting pipe interface through a plurality of second stop relief valves; a pneumatic pilot valve, a check valve and a flow-limiting orifice plate in the pressurizing module, and a second manual three-way valve, a pressure gauge, a pressure transmitter, a stop and release valve, an fusible plug pneumatic connecting pipe interface and a rain valve pneumatic connecting pipe interface in the alarm action module are connected through a pneumatic connecting pipe to form a main fusible plug loop; the pneumatic pilot valve, the check valve and the flow-limiting orifice plate in the pressurizing module, the second manual three-way valve in the alarm action module, the pressure gauge, the pressure transmitter, the stop and release valve, the pneumatic pilot valve, the fusible plug pneumatic connecting pipe interface, the control panel and the deluge valve pneumatic connecting pipe interface are connected through the pneumatic connecting pipe to form a spare fusible plug loop.
2. The fusible plug control panel of claim 1, wherein: the first and second three-way valves are: and the manual three-way valve is arranged on the fusible plug control panel box body.
3. The fusible plug control panel of claim 1, wherein: the first interface, the instrument air source, the first and second three-way valves, the pneumatic pilot valve, the filtering and pressure reducing module and all the parts are connected through pneumatic connecting pipes.
4. The fusible plug control panel of claim 1, wherein: and a support is arranged at the bottom of the fusible plug control panel box body and is connected with a fixed base.
5. The fusible plug control panel of claim 1, wherein: the first pressure gauge, the second pressure gauge, the first three-way valve and the second three-way valve are arranged on the front side of the box body of the fusible plug control panel; an instrument junction box is arranged on the side surface of the fusible plug control panel box body, and a plurality of interfaces which are respectively connected with an ocean platform instrument air source, the fusible plug and the deluge valve are arranged below the instrument junction box; the top of the box body of the fusible plug control panel is provided with a hoisting point for hoisting the control panel; the rear side of the fusible plug control panel box body is provided with a cabinet door for maintaining the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850833.2U CN204364748U (en) | 2014-12-29 | 2014-12-29 | Fusible plug control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850833.2U CN204364748U (en) | 2014-12-29 | 2014-12-29 | Fusible plug control panel |
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| Publication Number | Publication Date |
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| CN204364748U true CN204364748U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420850833.2U Expired - Fee Related CN204364748U (en) | 2014-12-29 | 2014-12-29 | Fusible plug control panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952626A (en) * | 2018-08-15 | 2018-12-07 | 维特力（深圳）流体工程有限公司 | Applied to offshore oilfield and the fusible plug internal heat safety control system of FPSO |
| CN111157235A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Overtemperature closing performance testing device and method for emergency cut-off valve |
-
2014
- 2014-12-29 CN CN201420850833.2U patent/CN204364748U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952626A (en) * | 2018-08-15 | 2018-12-07 | 维特力（深圳）流体工程有限公司 | Applied to offshore oilfield and the fusible plug internal heat safety control system of FPSO |
| CN108952626B (en) * | 2018-08-15 | 2024-05-14 | 维特力（深圳）流体工程有限公司 | Fusible plug fire gas safety control system applied to offshore oil field and FPSO |
| CN111157235A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Overtemperature closing performance testing device and method for emergency cut-off valve |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. |
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Granted publication date: 20150603 |