CN218151161U - Gas turbine unit - Google Patents
Gas turbine unit Download PDFInfo
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- CN218151161U CN218151161U CN202221985523.2U CN202221985523U CN218151161U CN 218151161 U CN218151161 U CN 218151161U CN 202221985523 U CN202221985523 U CN 202221985523U CN 218151161 U CN218151161 U CN 218151161U
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- gas turbine
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- sound insulation
- insulation box
- hoisting frame
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Abstract
The utility model discloses a gas turbine unit, which comprises a gas turbine main machine, a driven device, a base, a sound insulation box, a hoisting frame and a plurality of fire detectors; the gas turbine main machine, the driven device, the hoisting frame and the sound insulation box are respectively detachably arranged and fixed on the base; the main engine of the gas turbine and the driven device are both positioned in the hoisting frame; the hoisting frame is provided with a plurality of top cross beams and a plurality of vertical frame upright posts; the hoisting frame is positioned in the sound insulation box and is not in contact with the sound insulation box; and the plurality of fire detectors are fixed on the inner sides of the top cross beam of the hoisting frame or the vertical frame upright post. The utility model discloses a gas turbine unit can carry out processes such as combustion test, complete machine test, fire extinguishing system test to the gas turbine host computer before the installation sound-proof box to be convenient for hoist and mount maintenance, the assembly of gas turbine unit receives the influence of outside sound-proof box installation progress greatly to reduce, has improved the gas turbine host computer greatly, by assembly, test and the maintenance efficiency of drive arrangement and auxiliary system.
Description
Technical Field
The utility model relates to a gas turbine technique, in particular to gas turbine unit.
Background
Generally, a gas turbine unit includes a gas turbine main unit, a driven device (e.g., a generator, a water pump, etc.), a base, a soundproof box, and auxiliary systems such as a fuel system, a lubricating oil system, and a starting system, wherein the gas turbine main unit and the driven device (e.g., the generator, the water pump, etc.) are fixed to the base, the soundproof box is opened at a lower end thereof and fastened to the base, and the gas turbine main unit, the driven device, the fuel system, the lubricating oil system, and the starting system are accommodated in a cavity of the soundproof box.
The fuel of the gas turbine can be combustible gas, the combustible gas can be uniformly mixed with air in a certain concentration range to form premixed gas, and the premixed gas can explode when meeting a fire source; lubricating oil or cable appliances of the gas turbine can cause fire; therefore, it is necessary to provide a fire protection system for the gas turbine unit, which plays an important role in protecting equipment and personnel safety.
Common gas turbine unit sets up temperature-sensitive detector and flame detector simultaneously and protects in the sound-proof box, and the leading cause of arranging combustible gas detector in the sound-proof box is to prevent that combustible gas from causing explosion hidden danger after the internal leakage of sound-proof box for in time remind the field work personnel to ventilate with the interior combustible gas of discharge sound-proof box for the sound-proof box. The fire extinguishing medium is high-pressure carbon dioxide, and the fire extinguishing mechanism of the full-submerged carbon dioxide fire extinguishing system mainly comprises suffocation and cooling. When fire is extinguished, a large amount of carbon dioxide is sprayed into the sound insulation box body, so that the oxygen content in the air is reduced. When the carbon dioxide content in the air reaches 30% -35%, most combustible materials are suffocated. Secondly, carbon dioxide is sprayed from the storage container, the pressure drops suddenly, and when the carbon dioxide is changed from liquid state to gas state, the carbon dioxide absorbs heat due to expansion, so that a certain cooling effect is achieved in the sound insulation box body.
As shown in fig. 1, in the conventional gas turbine unit, fire detectors such as a temperature detector 31, a flame detector 32, and a combustible gas detector 30 are directly mounted and fixed on an inner wall of a top plate of a soundproof box 8, the mounting of the fire detectors depends on a mounting process of the soundproof box, and a gas turbine main unit, a driven device (such as a generator, a water pump, and the like) and the like are fixed on a base, and after an auxiliary system is mounted, the soundproof box needs to be lifted up, covered on the base, and fixed with the base. Before the fire detector is not installed on the inner wall of the top plate of the sound insulation box 8 and fixed on the base, the subsequent procedures of combustion test, complete machine test, hoisting maintenance and the like of the main body of the gas turbine unit are inconvenient to carry out, and the delivery cycle of the gas turbine unit is often influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a gas turbine unit, its assembly receives the influence of outside sound-proof box installation progress to greatly reduce, has improved the gas turbine host computer greatly, by assembly, test and the maintenance efficiency of drive arrangement and auxiliary system.
In order to solve the technical problem, the utility model provides a gas turbine unit, which comprises a gas turbine main machine, a driven device, a base 9, a sound insulation box 8, a hoisting frame 7 and K fire detectors, wherein K is an integer greater than 1;
the gas turbine main machine, the driven device, the hoisting frame 7 and the sound insulation box 8 are respectively detachably arranged and fixed on a base 9;
the gas turbine main engine and the driven device are both positioned in the hoisting frame 7;
the hoisting frame 7 is provided with a plurality of top cross beams 71 and a plurality of vertical frame upright posts 72;
the hoisting frame 7 is positioned in the sound insulation box 8 and is not in contact with the sound insulation box;
and the K fire detectors are fixed on the inner sides of the top cross beam 71 or the vertical frame upright 72 of the hoisting frame 7.
Preferably, the driven device is a generator or a water pump.
Preferably, the gas turbine unit further comprises an auxiliary system;
the auxiliary system comprises at least one of a fuel system, a lubricating oil system and a starting system;
the auxiliary system is arranged inside the hoisting frame 7;
the lower end opening of the sound insulation box 8 is buckled and fixed on the base 9, and the auxiliary system and the hoisting frame 7 are accommodated in the cavity of the sound insulation box 8.
Preferably, the K fire detectors include L combustible gas detectors 30, L being a positive integer less than K;
the L combustible gas detectors 30 are respectively installed on the inner sides of the top cross beam 71 or/and the vertical frame upright 72 of the hoisting frame 7 and used for detecting the combustible gas concentration and outputting a gas concentration detection signal to the controller.
Preferably, the K fire detectors further comprise M temperature-sensitive detectors 31, M is a positive integer smaller than K, and K is greater than or equal to L + M;
the M temperature-sensing detectors 31 are respectively installed on the inner sides of the top cross beam 71 or/and the vertical frame upright 72 of the hoisting frame 7 and used for detecting temperature and outputting temperature detection signals to the controller.
Preferably, the K fire detectors further comprise N flame detectors 32, N is a positive integer smaller than K, and K is greater than or equal to L + M + N;
the N flame detectors 32 are respectively arranged on the inner sides of the top cross beams 71 of the hoisting frame 7, detection windows of the flame detectors 22 face to a gas turbine main machine or a driven device, and the flame detectors 32 are used for detecting optical wavelength and outputting optical wavelength detection signals to the controller.
Preferably, L is 3, 4 or 5, M is 3, 4 or 5, N is 3, 4 or 5;
the flame detector 32 is a three-band infrared flame detector or an ultraviolet flame detector.
Preferably, the gas turbine unit further comprises a fire acousto-optic alarm lamp 41, a fire extinguishing agent release alarm lamp 42 and a combustible gas leakage acousto-optic alarm lamp 40;
the combustible gas leakage acousto-optic alarm lamp 40, the fire acousto-optic alarm lamp 41 and the fire extinguishing agent release alarm lamp 42 are all arranged on the outer side of the top of the sound insulation box 8;
the combustible gas leakage acousto-optic alarm lamp 40 is used for indicating whether the concentration of the combustible gas in the cavity of the sound insulation box 8 exceeds an alarm value;
the fire acousto-optic alarm lamp 41 is used for indicating whether a fire disaster happens in the cavity of the sound insulation box 8;
the fire extinguishing agent releasing alarm lamp 42 is used for indicating whether the fire extinguishing agent is released into the cavity of the soundproof box 8.
Preferably, the fire extinguishing agent is CO2;
the flammable gas leakage audible and visual warning lamp 40 is blue;
the fire acousto-optic warning lamp 41 is red;
the fire suppressant release warning lamp 42 is yellow.
Preferably, the gas turbine unit further comprises two emergency start-stop buttons 50 and a fire extinguishing system;
the two emergency start-stop buttons 50 are respectively arranged at the two sides of the outside of the sound insulation box at a distance of 1.1-1.2 meters from the base 9;
the fire extinguishing system is arranged on the inner side of the upper part of the sound insulation box;
the emergency start-stop button 50 is internally provided with two buttons of emergency start and emergency stop;
the 'emergency starting' button is used for starting the fire extinguishing system and releasing the fire extinguishing agent;
the "emergency stop" button is used to emergency stop the activation of the fire suppression system.
The gas turbine unit of the utility model has the main functions that the hoisting frame 7, the gas turbine main engine and the driven device are respectively detachably arranged and fixed on the base 9 and are used for hoisting the gas turbine main engine and maintaining the driven device; meanwhile, as the fire detector is arranged on the hoisting frame 7 and does not need to be arranged on the sound insulation box 8, the processes of combustion test, whole machine test, fire fighting system test and the like can be carried out on the gas turbine main engine before the sound insulation box is arranged, and the hoisting maintenance is convenient, the assembly of the gas turbine main engine is greatly reduced by the influence of the installation progress of the external sound insulation box, and the assembly, test and maintenance efficiency of the gas turbine main engine, the driven device and the auxiliary system thereof is greatly improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic illustration of a typical gas turbine assembly installation configuration in the industry;
fig. 2 is a schematic view of an embodiment of the gas turbine assembly of the present invention.
The reference numbers in the figures illustrate:
9, a base; 8, a sound insulation box; 7, hoisting the frame; 71 a top cross-member; 72 frame posts; 30 combustible gas detector; 31 a temperature sensitive detector; 32 a flame detector; 40 combustible gas leakage acousto-optic alarm lamp; 41 fire acousto-optic alarm lamp; 42 fire extinguishing agent release warning light; 50 emergency on-off button.
Detailed Description
The technical solutions of the present invention will be described in detail and fully hereinafter with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
As shown in fig. 2, the gas turbine unit includes a gas turbine main engine, a driven device, a base 9, a sound insulation box 8, a hoisting frame 7 and K fire detectors, where K is an integer greater than 1;
the gas turbine main machine, the driven device, the hoisting frame 7 and the sound insulation box 8 are respectively and detachably arranged and fixed on a base 9;
the gas turbine main engine and the driven device are both positioned in the hoisting frame 7;
the hoisting frame 7 is provided with a plurality of top cross beams 71 and a plurality of vertical frame upright posts 72;
the hoisting frame 7 is positioned in the sound insulation box 8 and is not contacted with the sound insulation box (gaps are formed at all parts);
and the K fire detectors are fixed on the inner sides of the top cross beam 71 or the vertical frame upright 72 of the hoisting frame 7.
Preferably, the driven device is a generator or a water pump.
Preferably, the gas turbine assembly further comprises an auxiliary system;
the auxiliary system comprises at least one of a fuel system, a lubricating oil system and a starting system;
the auxiliary system is arranged inside the hoisting frame 7;
the lower end of the sound insulation box 8 is opened and is fastened and fixed on the base 9, and the auxiliary system and the hoisting frame 7 are accommodated in the cavity of the sound insulation box 8.
In the gas turbine unit according to the first embodiment, the hoisting frame 7, the gas turbine main unit and the driven device are detachably mounted and fixed on the base 9 respectively, and the hoisting frame is mainly used for hoisting the gas turbine main unit and the driven device for maintenance; meanwhile, as the fire detector is arranged on the hoisting frame 7 and does not need to be arranged on the sound insulation box 8, the processes of combustion test, whole machine test, fire fighting system test and the like can be carried out on the gas turbine main engine before the sound insulation box is arranged, and the hoisting maintenance is convenient, the assembly of the gas turbine main engine is greatly reduced by the influence of the installation progress of the external sound insulation box, and the assembly, test and maintenance efficiency of the gas turbine main engine, the driven device and the auxiliary system thereof is greatly improved.
Example two
Based on the gas turbine unit of the first embodiment, the K fire-fighting detectors comprise L combustible gas detectors 30, and L is a positive integer smaller than K;
the L combustible gas detectors 30 are respectively installed on the inner sides of the top cross beam 71 or/and the vertical frame upright 72 of the hoisting frame 7, and are used for detecting the concentration of combustible gas, outputting a gas concentration detection signal to the controller, and judging whether the gas turbine generates combustible gas leakage according to the gas concentration detection signal (whether the gas concentration detection signal exceeds an alarm value (for example, 10% to 20% of the lowest explosion limit).
The gas turbine unit of the second embodiment is not required to be installed in the soundproof box 8 because the combustible gas detector 30 is installed in the hoisting frame 7, and can test the gas turbine main unit without installing the soundproof box, and is convenient for hoisting and maintenance.
EXAMPLE III
Based on the gas turbine unit of the second embodiment, the K fire detectors further comprise M temperature-sensitive detectors 31, M is a positive integer smaller than K, and K is greater than or equal to L + M;
the M temperature detectors 31 are respectively installed on the inner sides of the top beam 71 or/and the vertical frame column 72 of the hoisting frame 7, and are used for detecting temperature and outputting a temperature detection signal to the controller, so that the controller can judge whether a fire disaster exists outside the gas turbine body (whether the temperature exceeds a set temperature (for example, 90 ℃).
In the gas turbine unit of the third embodiment, the temperature-sensitive detector 31 is installed on the hoisting frame 7, and is not required to be installed on the soundproof box 8, so that the combustion test can be performed on the gas turbine main unit without installing the soundproof box, and the hoisting maintenance is facilitated.
Example four
Based on the gas turbine unit of the third embodiment, the K fire detectors further comprise N flame detectors 32, N is a positive integer smaller than K, and K is larger than or equal to L + M + N;
the N flame detectors 32 are respectively arranged on the inner sides of the top cross beams 71 of the hoisting frame 7, detection windows of the flame detectors 22 face to a gas turbine main machine or a driven device, the flame detectors 32 are used for detecting optical wavelength and outputting optical wavelength detection signals to the controller, and the controller is used for judging whether a fire disaster exists outside the gas turbine body according to the optical wavelength detection signals.
Preferably, L is 3, 4 or 5, M is 3, 4 or 5, N is 3, 4 or 5.
Preferably, the flame detector 32 is a three-band infrared flame detector or an ultraviolet flame detector.
The flame detector is also called a photosensitive fire detector, and is used for responding to the optical characteristics of a fire, namely detecting the illumination intensity of flame combustion and the flicker frequency of the flame; depending on the light characteristics of the flame, there are three types of flame detectors in use today: one is an ultraviolet detector sensitive to the shorter wavelength ultraviolet radiation in the flame; the other is longer wavelength in the flameInfrared rayAn infrared detector sensitive to optical radiation; the third is a hybrid ultraviolet/infrared detector that simultaneously detects both shorter wavelength ultraviolet light and longer wavelength infrared light in the flame.
In the gas turbine unit according to the fourth embodiment, the flame detector 32 is installed inside the hoisting frame 7, and is not required to be installed in the soundproof box 8, so that the combustion test can be performed on the gas turbine body without installing the soundproof box, and the hoisting maintenance is facilitated.
EXAMPLE five
Based on the fourth embodiment, the gas turbine unit further comprises a fire acousto-optic alarm lamp 41, a fire extinguishing agent release alarm lamp 42 and a combustible gas leakage acousto-optic alarm lamp 40;
the combustible gas leakage acousto-optic alarm lamp 40, the fire acousto-optic alarm lamp 41 and the fire extinguishing agent release alarm lamp 42 are all arranged on the outer side of the top of the sound insulation box 8;
the combustible gas leakage acousto-optic alarm lamp 40 is used for indicating whether the concentration of the combustible gas in the cavity of the sound insulation box 8 exceeds an alarm value;
the fire acousto-optic alarm lamp 41 is used for indicating whether a fire disaster happens in the cavity of the sound insulation box 8;
the fire extinguishing agent releasing alarm lamp 42 is used for indicating whether the fire extinguishing agent is released into the cavity of the soundproof box 8.
Preferably, the fire extinguishing agent is CO2.
Preferably, the flammable gas leakage warning acousto-optic lamp 40 is blue, the fire acousto-optic warning lamp 41 is red, and the fire extinguishing agent release warning lamp 42 is yellow.
In the gas turbine unit according to the fifth embodiment, the combustible gas leakage audible and visual alarm lamp 40, the fire audible and visual alarm lamp 41 and the fire extinguishing agent release alarm lamp 42 are all installed at the visible position outside the top of the sound insulation box 8, and are distinguished by three different colors, so that three different kinds of alarm information are provided for field personnel, and the field personnel can conveniently and timely perform corresponding operations to protect the safety of internal equipment of the gas turbine unit or timely evacuate.
EXAMPLE six
Based on the fifth embodiment, the gas turbine unit further comprises two emergency start-stop buttons 50 and a fire extinguishing system;
the two emergency start-stop buttons 50 are respectively arranged at the two sides of the outside of the sound insulation box at a distance of 1.1-1.2 meters from the base 9, so that the operation of personnel is facilitated;
the fire extinguishing system is arranged on the inner side of the upper part of the sound insulation box;
the emergency start-stop button 50 is internally provided with two buttons of emergency start and emergency stop;
the 'emergency starting' button is used for starting the fire extinguishing system and releasing the fire extinguishing agent;
the "emergency stop" button is used to emergency stop the activation of the fire suppression system.
In the gas turbine unit according to the sixth embodiment, the emergency start/stop buttons 50 are installed on both sides of the outside of the soundproof box, and are used for releasing the fire extinguishing agent after a site operator finds a fire or stopping releasing the fire extinguishing agent when a detector misreports the fire. When a site operator observes that a fire disaster happens to the gas turbine unit, the site operator can press any one of emergency starting buttons on two sides of the sound insulation box to manually start the release of the fire extinguishing agent. If the field operator finds that the system is in misoperation, the fire extinguishing agent is automatically released into the cavity of the sound insulation box 8, and the field operator can press any one of the emergency stop buttons on the two sides of the sound insulation box to manually stop the release of the fire extinguishing agent.
The above are merely preferred embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A gas turbine unit is characterized by comprising a gas turbine main machine, a driven device, a base (9), a sound insulation box (8), a hoisting frame (7) and K fire detectors, wherein K is an integer larger than 1;
the gas turbine main machine, the driven device, the hoisting frame (7) and the sound insulation box (8) are respectively detachably arranged and fixed on the base (9);
the gas turbine main engine and the driven device are both positioned in the hoisting frame (7);
the hoisting frame (7) is provided with a plurality of top cross beams (71) and a plurality of vertical frame upright posts (72);
the hoisting frame (7) is positioned in the sound insulation box (8) and is not in contact with the sound insulation box;
k fire detectors are all fixed on the inner side of a top cross beam (71) or a vertical frame upright post (72) of the hoisting frame (7).
2. Gas turbine assembly according to claim 1,
the driven device is a generator or a water pump.
3. Gas turbine assembly according to claim 1,
the gas turbine assembly further comprises an auxiliary system;
the auxiliary system comprises at least one of a fuel system, a lubricating oil system and a starting system;
the auxiliary system is arranged inside the hoisting frame (7);
the lower end of the sound insulation box (8) is opened and is fastened and fixed on the base (9), and the auxiliary system and the hoisting frame (7) are accommodated in the cavity of the sound insulation box (8).
4. Gas turbine unit according to claim 1,
the K fire fighting detectors comprise L combustible gas detectors (30), wherein L is a positive integer smaller than K;
l combustible gas detectors (30) are respectively arranged on the inner sides of a top cross beam (71) or/and a vertical frame upright post (72) of the hoisting frame (7) and used for detecting the concentration of combustible gas and outputting a gas concentration detection signal to the controller.
5. Gas turbine assembly according to claim 4,
the K fire fighting detectors also comprise M temperature sensing detectors (31), wherein M is a positive integer smaller than K and is more than or equal to L + M;
m temperature-sensing detectors (31) are respectively arranged on the inner sides of a top cross beam (71) or/and a vertical frame upright post (72) of the hoisting frame (7) and are used for detecting temperature and outputting temperature detection signals to the controller.
6. Gas turbine assembly according to claim 5,
the K fire fighting detectors also comprise N flame detectors (32), wherein N is a positive integer less than K, and K is more than or equal to L + M + N;
n flame detectors (32) are respectively arranged on the inner side of a top cross beam (71) of the hoisting frame (7), detection windows of the flame detectors (22) face a gas turbine main machine or a driven device, and the flame detectors (32) are used for detecting light wavelength and outputting light wavelength detection signals to a controller.
7. Gas turbine plant according to claim 6,
l is 3, 4 or 5, M is 3, 4 or 5, N is 3, 4 or 5;
the flame detector (32) is a three-band infrared flame detector or an ultraviolet flame detector.
8. Gas turbine assembly according to claim 6,
the gas turbine unit also comprises a fire acousto-optic alarm lamp (41), a fire extinguishing agent release alarm lamp (42) and a combustible gas leakage acousto-optic alarm lamp (40);
the combustible gas leakage acousto-optic alarm lamp (40), the fire acousto-optic alarm lamp (41) and the fire extinguishing agent release alarm lamp (42) are all arranged on the outer side of the top of the sound insulation box (8);
the combustible gas leakage acousto-optic alarm lamp (40) is used for indicating whether the concentration of combustible gas in the cavity of the sound insulation box (8) exceeds an alarm value;
the fire acousto-optic alarm lamp (41) is used for indicating whether a fire disaster happens in the cavity of the sound insulation box (8);
the fire extinguishing agent releasing alarm lamp (42) is used for indicating whether the fire extinguishing agent is released into the cavity of the sound insulation box (8).
9. Gas turbine plant according to claim 8,
the fire extinguishing agent is CO2;
the combustible gas leakage acousto-optic warning lamp (40) is blue;
the fire acousto-optic alarm lamp (41) is red;
the fire suppressant release warning lamp (42) is yellow.
10. Gas turbine assembly according to claim 8,
the gas turbine unit also comprises two emergency start-stop buttons (50) and a fire extinguishing system;
the two emergency start-stop buttons (50) are respectively arranged at the two sides of the outside of the sound insulation box at a distance of 1.1-1.2 meters from the base (9);
the fire extinguishing system is arranged on the inner side of the upper part of the sound insulation box;
the emergency start-stop button (50) is internally provided with two buttons of emergency start and emergency stop;
the 'emergency starting' button is used for starting the fire extinguishing system and releasing the fire extinguishing agent;
the "emergency stop" button is used to emergency stop the activation of the fire suppression system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221985523.2U CN218151161U (en) | 2022-07-29 | 2022-07-29 | Gas turbine unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221985523.2U CN218151161U (en) | 2022-07-29 | 2022-07-29 | Gas turbine unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218151161U true CN218151161U (en) | 2022-12-27 |
Family
ID=84595948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221985523.2U Active CN218151161U (en) | 2022-07-29 | 2022-07-29 | Gas turbine unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218151161U (en) |
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2022
- 2022-07-29 CN CN202221985523.2U patent/CN218151161U/en active Active
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