CN216963406U - Fire detection and protection system of gas turbine - Google Patents
Fire detection and protection system of gas turbine Download PDFInfo
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- CN216963406U CN216963406U CN202220550441.9U CN202220550441U CN216963406U CN 216963406 U CN216963406 U CN 216963406U CN 202220550441 U CN202220550441 U CN 202220550441U CN 216963406 U CN216963406 U CN 216963406U
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Abstract
The utility model provides a fire detection and protection system of a gas turbine, comprising: the protection area is provided with a sealing door; fire detection device, fire detection device includes: a plurality of fire detection subassemblies, a plurality of fire detection subassemblies distribute in the guard space, and the fire detection subassembly includes: at least two fire detectors in close proximity to each other; the linkage device is arranged in the protection area and is in transmission connection with the closed door; the utility model relates to a fire extinguishing device, the output end of which is arranged in a protection area, and compared with the related art, the utility model has the advantages that: the fire detector detects fire and sends a fire signal to the control device, so that the linkage device closes the sealing door and opens the fire extinguishing device, and an integrated fire extinguishing system for detecting and extinguishing fire is formed, is safe and reliable, and ensures the safe operation of the gas turbine.
Description
Technical Field
The utility model relates to the technical field of safety protection of gas turbines, in particular to a fire detection and protection system of a gas turbine.
Background
The gas turbine is an important clean power generation device, fuel of the gas turbine is mainly natural gas or liquefied natural gas, the gas turbine belongs to flammable and explosive substances, and a large fire safety hidden danger exists, so that a gas turbine workshop is an important fire-fighting place, and a stable and reliable fire detection and protection system needs to be equipped to ensure fire safety in the production process.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, the utility model proposes a fire detection and protection system for a gas turbine.
In order to achieve the above object, the present invention provides a fire detection and protection system for a gas turbine, comprising: a protected area within which the gas turbine is disposed, the protected area being provided with a closing door; a fire detection device, the fire detection device comprising: a plurality of fire detection assemblies distributed within the protected zone, the fire detection assemblies comprising: at least two fire detectors in close proximity to each other; the linkage device is arranged in the protection area and is in transmission connection with the closed door; the output end of the fire extinguishing device is arranged in the protection area; and the input end of the control device is electrically connected with the output end of the fire detector, and the output end of the control device is respectively electrically connected with the input end of the linkage device and the input end of the fire extinguishing device.
Optionally, the fire detection device further comprises: the manual input devices are distributed in the protection area and are electrically connected with the control device.
Optionally, the linkage comprises: the input end of the driving board is electrically connected with the control device; the input end of the driving piece is electrically connected with the output end of the driving plate, and the output end of the driving piece is in transmission connection with the door spindle of the closed door.
Optionally, the fire extinguishing apparatus comprises: a storage tank filled with a fire extinguishing medium; the input end of the first pipeline is communicated with the output end of the storage tank; the first spray head is arranged in the protection area, and the input end of the first spray head is communicated with the output end of the first pipeline; the first electromagnetic valve is arranged on the first pipeline, and the input end of the first electromagnetic valve is electrically connected with the control device; the input end of the second pipeline is communicated with the output end of the storage tank; the second spray head is arranged in the protection area, the input end of the second spray head is communicated with the output end of the second pipeline, and the spraying pressure of the second spray head is smaller than that of the first spray head; and the second electromagnetic valve is arranged on a second pipeline, and the input end of the second electromagnetic valve is electrically connected with the control device.
Optionally, the extinguishing medium is carbon dioxide.
Optionally, the ejection pressure of the first ejection head is 1.4MPa, and the ejection pressure of the second ejection head is 1 MPa.
Optionally, the fire detection and protection system further comprises: the first audible and visual alarm is arranged in the protection area, and the input end of the first audible and visual alarm is electrically connected with the output end of the control device.
Optionally, the fire detection and protection system further comprises: and the second audible and visual alarm is arranged outside the protection area, and the input end of the second audible and visual alarm is electrically connected with the output end of the control device.
Optionally, the fire detection and protection system further comprises: and the reset switch is respectively connected with the first audible and visual alarm and the second audible and visual alarm.
Optionally, the fire detection and protection system further comprises: the input end of the communication module is electrically connected with the output end of the control device; and the input end of the display is electrically connected with the output end of the communication module.
After adopting the technical scheme, compared with the related technology, the utility model has the advantages that:
the fire detector detects a fire and sends a fire signal to the control device, so that the linkage device closes the closed door and opens the fire extinguishing device, and thus an integrated fire extinguishing system for detecting and extinguishing fire is formed, safety and reliability are realized, and the safe operation of the gas turbine is ensured;
the fire detector failure detection system has the advantages that the overall misoperation and refusal caused by the failure of the fire detector can be effectively prevented through the detection of at least two fire detectors, and the reliability of the fire detection and protection system is improved;
through the arrangement of the protection area and the closing door and the cooperation of the closing door and the linkage device, the protection area forms a closed space after workers withdraw from the protection area, and the fire extinguishing efficiency of the protection area is effectively improved while the fire spread is avoided.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic circuit diagram of a fire detection and protection system according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a fire detection and protection system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a storage tank of the fire detection and protection system according to an embodiment of the present invention;
as shown in the figure: 1. fire detection device, 2, aggregate unit, 3, extinguishing device, 4, controlling means, 5, fire detection subassembly, 6, fire detector, 7, manual input device, 8, drive plate, 9, driving piece, 10, holding vessel, 11, first pipeline, 12, first shower nozzle, 13, first solenoid valve, 14, second pipeline, 15, second shower nozzle, 16, second solenoid valve, 17, reset switch, 18, first audible and visual alarm, 19, second audible and visual alarm, 20, communication module, 21, display.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
As shown in fig. 1 and 2, an embodiment of the present invention provides a fire detection and protection system for a gas turbine, including a protection area, a fire detection device 1, a linkage device 2, a fire extinguishing device 3, and a control device 4, where the gas turbine is disposed in the protection area, the protection area is provided with a closed door, the fire detection device 1 includes a plurality of fire detection assemblies 5, the fire detection assemblies 5 are distributed in the protection area, the fire detection assemblies 5 include at least two fire detectors 6 close to each other, the linkage device 2 is disposed in the protection area, the linkage device 2 is in transmission connection with the closed door, an output end of the fire extinguishing device 3 is disposed in the protection area, an input end of the control device 4 is electrically connected with an output end of the fire detectors 6, and output ends of the control device 4 are respectively electrically connected with an input end of the linkage device 2 and an input end of the fire extinguishing device 3.
It can be understood that the fire detector 6 detects a fire and sends a fire signal to the control device 4, so that the linkage device 2 closes the closed door and opens the fire extinguishing device 3, thereby forming an integrated fire extinguishing system for detecting and extinguishing fire, being safe and reliable, and ensuring the safe operation of the gas turbine;
the overall misoperation and the rejection caused by the failure of the fire detectors 6 can be effectively prevented through the detection of at least two fire detectors 6, and the reliability of a fire detection and protection system is improved;
through the arrangement of the protection area and the closed door and the cooperation of the closed door and the linkage device 2, the protection area forms a closed space after workers evacuate the protection area, and the fire extinguishing efficiency of the protection area is effectively improved while the fire spread is avoided.
It should be noted that the number of fire detectors 6 of each fire detection assembly 5 may be set according to the actual situation, for example: as shown in fig. 2, the number of fire detectors 6 provided per fire detection assembly 5 is two.
In some embodiments, the control device 4, upon receiving a fire signal from the fire detector 6, controls the linkage 2 to close the door after a first period of time to allow time for egress of personnel from the protected area.
In some embodiments, the first time period may be less than 30 s.
In some embodiments, a plurality of fire detection assemblies 5 are evenly distributed within the protected area.
In some embodiments, the control device 4 is a programmable logic controller.
As shown in fig. 2, in some embodiments, the fire detection device 1 further comprises a plurality of manual input devices 7, the plurality of manual input devices 7 are distributed in the protection area, and the manual input devices 7 are electrically connected with the control device 4.
It can be understood that, through manual input device 7's setting, make the staff can manual start fire detection and protection system, avoid the whole that leads to because of fire detector 6's failure, blind area scheduling problem refuses to move, guaranteed fire detection and protection system's reliable and stable, and manual input device 7 and fire detector 6's cooperation, make fire detection and protection system form the mode that manual control and automatic control combine, the flexibility is higher, application scope is wider.
In some embodiments, the manual input device 7 may be a button, a touch screen, or the like.
In some embodiments, the manual input device 7 may be provided with a touch-proof structure, such as: protective covers, mechanical locks, etc.
In some embodiments, the connection between the fire detector 6 and the control device 4 can be closed, and only the connection between the manual input device 7 and the control device 4 is reserved, which can prevent the fire detection and protection system from extinguishing fire while still allowing personnel to leave the protection area.
As shown in fig. 2, in some embodiments, the linkage 2 includes a driving plate 8 and a driving member 9, an input end of the driving plate 8 is electrically connected to the control device 4, an input end of the driving member 9 is electrically connected to an output end of the driving plate 8, and an output end of the driving member 9 is drivingly connected to a door shaft of the closing door.
It can be understood that, after the control signal of the control device 4 is received by the driving plate 8, the driving plate 9 is driven to move to drive the closing door to close, so that a closed space is formed in the protection area, and the fire extinguishing efficiency of the protection area is effectively improved while the fire is prevented from spreading.
In some embodiments, the driving member 9 may be a driving motor and a speed reducer, an output end of the driving motor is connected to an input end of the speed reducer, and an output end of the speed reducer is connected to a door shaft of the closing door, so that when the output end of the driving motor rotates, the closing door is driven to rotate.
In some embodiments, the drive member 9 may be a hydraulic motor, the output of which is connected to the door shaft of the closure door, such that rotation of the output of the hydraulic motor causes the closure door to rotate.
As shown in fig. 2 and 3, in some embodiments, the fire extinguishing apparatus 3 includes a storage tank 10, a first pipeline 11, a first spray head 12, a first solenoid valve 13, a second pipeline 14, a second spray head 15 and a second solenoid valve 16, the storage tank 10 is filled with fire extinguishing medium, an input end of the first pipeline 11 is communicated with an output end of the storage tank 10, the first spray head 12 is disposed in a protection area, an input end of the first spray head 12 is communicated with an output end of the first pipeline 11, the first solenoid valve 13 is disposed on the first pipeline 11, an input end of the first solenoid valve 13 is electrically connected with the control device 4, an input end of the second pipeline 14 is communicated with an output end of the storage tank 10, the second spray head 15 is disposed in the protection area, an input end of the second spray head 15 is communicated with an output end of the second pipeline 14, a spray pressure of the second spray head 15 is smaller than a spray pressure of the first spray head 12, the second solenoid valve 16 is disposed on the second pipeline 14, the input end of the second electromagnetic valve 16 is electrically connected with the control device 4.
It can be understood that after the first solenoid valve 13 receives the control signal of the control device 4 and is opened, the fire extinguishing medium in the storage tank 10 is sprayed into the protected area by the first spray nozzle 12 to continuously increase the concentration of the fire extinguishing medium in the air of the protected area, so as to achieve the fire extinguishing effect, after the first solenoid valve 13 receives the control signal of the control device 4 and is closed and the second solenoid valve 16 receives the control signal of the control device 4 and is opened, the fire extinguishing medium in the storage tank 10 is sprayed into the protected area by the second spray nozzle 15 to maintain the concentration of the fire extinguishing medium in the air of the protected area, so as to ensure the elimination of the fire.
In some embodiments, both the first nozzle 12 and the second nozzle 15 may be nozzles with adjustable discharge pressures.
In some embodiments, the extinguishing medium is carbon dioxide.
It can be understood that because the combustible gas existing in the gas turbine is mainly natural gas, the concentration of carbon dioxide in the air of the protected area is increased, so that the fire extinguishing effect is achieved, and the fire can be quickly and safely eliminated;
meanwhile, the carbon dioxide has the advantages of low preparation price, easy acquisition, easy transportation and storage and the like, and compared with other fire extinguishing gases, the carbon dioxide also has the effect of low-temperature cooling and fire extinguishing.
In some embodiments, the ejection pressure of the first ejection head 12 is 1.4MPa, and the ejection pressure of the second ejection head 15 is 1 MPa.
In some embodiments, as shown in fig. 2, the fire detection and protection system further comprises a first audible and visual alarm 18, the first audible and visual alarm 18 being disposed within the protection zone, an input of the first audible and visual alarm 18 being electrically connected to an output of the control device 4.
It can be understood that after the first audible and visual alarm 18 receives the control signal of the control device 4, it can remind the workers in the protection area to evacuate quickly through the change of sound and light, so as to ensure that the workers in the protection area are evacuated when the fire detection and protection system extinguishes fire, thereby improving the safety of the fire detection and protection system.
In some embodiments, as shown in fig. 2, the fire detection and protection system further comprises a second audible alarm 19, the second audible alarm 19 being disposed outside the protection area, and an input of the second audible alarm 19 being electrically connected to an output of the control device 4.
It can be understood that, after the second audible and visual alarm 19 receives the control signal of the control device 4, it is able to remind the workers outside the protection area through the change of sound and light, which is not only beneficial to the external workers to know the fire condition in the protection area in time, but also avoids the external workers to enter the protection area, thereby improving the safety of the fire detection and protection system.
In some embodiments, the first and second audible and visual alarms 18 and 19 emit light and sound for prompting the release of fire extinguishing medium in addition to light and sound for alarming to further enhance the safety of the fire detection and protection system.
When the fire detector 6 no longer inputs a fire signal to the control device 4, the control device 4 controls the first audible and visual alarm 18 and the second audible and visual alarm 19 to be turned off.
In some embodiments, as shown in fig. 2, the fire detection and protection system further comprises a reset switch 17, and the reset switch 17 is electrically connected to the first audible and visual alarm 18 and the second audible and visual alarm 19, respectively.
It can be understood that, the first audible and visual alarm 18 and the second audible and visual alarm 19 are manually reset through the reset switch 17, so that the closing mode of the first audible and visual alarm 18 and the second audible and visual alarm 19 is increased, and the flexibility of the fire detection and protection system is higher.
As shown in FIG. 2, in some embodiments, the fire detection and protection system further includes a communication module 20 and a display 21, wherein an input of the communication module 20 is electrically connected to an output of the control device 4, and an input of the display 21 is electrically connected to an output of the communication module 20
It can be understood that the controller sends the alarm signal to the display 21 through the communication module 20, so that the display 21 displays in real time, and thus, the worker can directly observe the fire condition in the protection area, and can timely make corresponding action, thereby ensuring the reliable operation of the fire detection and protection system.
In some embodiments, the controller sends the switch signals of the first audible and visual alarm 18, the second audible and visual alarm 19, the closing door, the first solenoid valve 13 and the second solenoid valve 16 to the display 21 for display.
When a fire signal is input into the fire detection assembly 5 or the manual input device 7, the control device 4 outputs control signals to the first audible and visual alarm 18 and the second audible and visual alarm 19, so that the first audible and visual alarm 18 and the second audible and visual alarm 19 both perform audible and visual alarm;
then, the control device 4 outputs a control signal to the linkage device 2 in a first time period to close the closed door of the protection area by the linkage device 2, and simultaneously, the control device 4 outputs a control signal to the first electromagnetic valve 13 to open the first electromagnetic valve 13, and outputs a control signal to the first electromagnetic valve 13 and the second electromagnetic valve 16 in a second time period to close the first electromagnetic valve 13 and open the second electromagnetic valve 16, until all the fire detectors 6 do not input any fire signal any more, the control device 4 outputs a control signal to the first audible and visual alarm 18, the second audible and visual alarm 19, the second electromagnetic valve 16 and the linkage device 2 to close the first audible and visual alarm 18, the second audible and visual alarm 19 and the second electromagnetic valve 16 to open the closed door.
In some embodiments, the second time period may be no greater than 60s, and the opening time of the second solenoid valve 16 may be 2 min.
In some embodiments, since the fire extinguishing concentration of carbon dioxide in air is 22%, the first solenoid valve 13 may be closed and the second solenoid valve 16 may be opened when the concentration of carbon dioxide is 37%.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A fire detection and protection system for a gas turbine, comprising:
a protected zone within which the gas turbine is disposed,
the protection area is provided with a sealing door;
a fire detection device, the fire detection device comprising: a plurality of fire detection assemblies distributed within the protected zone, the fire detection assemblies comprising: at least two fire detectors in close proximity to each other;
the linkage device is arranged in the protection area and is in transmission connection with the closed door;
the output end of the fire extinguishing device is arranged in the protection area;
and the input end of the control device is electrically connected with the output end of the fire detector, and the output end of the control device is respectively electrically connected with the input end of the linkage device and the input end of the fire extinguishing device.
2. The fire detection and protection system of claim 1, wherein the fire detection device further comprises:
the manual input devices are distributed in the protection area and are electrically connected with the control device.
3. A fire detection and protection system as claimed in claim 1 wherein the linkage comprises:
the input end of the driving board is electrically connected with the control device;
the input end of the driving piece is electrically connected with the output end of the driving plate, and the output end of the driving piece is in transmission connection with the door spindle of the closed door.
4. A fire detection and protection system as claimed in claim 1, wherein the fire extinguishing means comprises:
a storage tank filled with a fire extinguishing medium;
the input end of the first pipeline is communicated with the output end of the storage tank;
the first spray head is arranged in the protection area, and the input end of the first spray head is communicated with the output end of the first pipeline;
the first electromagnetic valve is arranged on a first pipeline, and the input end of the first electromagnetic valve is electrically connected with the control device;
the input end of the second pipeline is communicated with the output end of the storage tank;
the second spray head is arranged in the protection area, the input end of the second spray head is communicated with the output end of the second pipeline, and the spraying pressure of the second spray head is smaller than that of the first spray head;
and the second electromagnetic valve is arranged on a second pipeline, and the input end of the second electromagnetic valve is electrically connected with the control device.
5. A fire detection and protection system as claimed in claim 4 wherein the extinguishing medium is carbon dioxide.
6. A fire detection and protection system as claimed in claim 4, wherein the first head has a discharge pressure of 1.4MPa and the second head has a discharge pressure of 1 MPa.
7. A fire detection and protection system according to any one of claims 1 to 6, further comprising:
the first audible and visual alarm is arranged in the protection area, and the input end of the first audible and visual alarm is electrically connected with the output end of the control device.
8. The fire detection and protection system of claim 7, further comprising:
and the second audible and visual alarm is arranged outside the protection area, and the input end of the second audible and visual alarm is electrically connected with the output end of the control device.
9. The fire detection and protection system of claim 8, further comprising:
and the reset switch is respectively connected with the first audible and visual alarm and the second audible and visual alarm.
10. A fire detection and protection system according to any one of claims 1 to 6, further comprising:
the input end of the communication module is electrically connected with the output end of the control device;
the input end of the display is electrically connected with the output end of the communication module;
the fire detection device is electrically connected with the linkage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220550441.9U CN216963406U (en) | 2022-03-14 | 2022-03-14 | Fire detection and protection system of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220550441.9U CN216963406U (en) | 2022-03-14 | 2022-03-14 | Fire detection and protection system of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216963406U true CN216963406U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202220550441.9U Active CN216963406U (en) | 2022-03-14 | 2022-03-14 | Fire detection and protection system of gas turbine |
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|---|---|
| CN (1) | CN216963406U (en) |
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- 2022-03-14 CN CN202220550441.9U patent/CN216963406U/en active Active
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