Lubricating system for gas turbine generator set, and gas turbine generator set

Abstract

The present application relates to the field of power generation devices, and discloses a lubricating system for a gas turbine generator set, and a gas turbine generator set. In the lubricating system for the gas turbine generator set, the gas turbine generator set comprises a gas turbine, a generator, and a gearbox; the lubricating system comprises an oil tank, a main oil pump, an emergency oil pump, a first lubricating oil line, and a second lubricating oil line, wherein oil inlet ends of the first lubricating oil line and the second lubricating oil line are respectively in communication with an oil outlet of the oil tank, an oil outlet end of the first lubricating oil line is in communication with an oil inlet of the oil tank, an oil outlet end of the second lubricating oil line is connected to the first lubricating oil line, the main oil pump is provided in the first lubricating oil line, and the emergency oil pump is provided in the second lubricating oil line; the first lubricating oil line is configured to be separately connected to the gas turbine, the generator, and the gearbox, and the junction between the second lubricating oil line and the first lubricating oil line is located upstream of the gas turbine, the generator, and the gearbox.

Description

Lubrication system of gas turbine generator set and gas turbine generator set

[0001] Cross-referencing

[0002] This application claims priority to two Chinese patent applications filed on November 5, 2024, with application number 202422692060.6 and entitled "Lubrication System and Gas Turbine Generator Set" and application number 202422692057.4 and also entitled "Lubrication System and Gas Turbine Generator Set", the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application belongs to the field of power generation equipment technology, specifically relating to a lubrication system for a gas turbine generator set and the gas turbine generator set itself. Background Technology

[0004] With the continuous development of the global economy and the increasing demand for energy, the market demand for industrial gas turbines is also showing a rapid growth trend. In the industrial production sector, industrial gas turbines, with their efficient, stable, and reliable power output, have become the preferred power equipment for many enterprises. Industrial gas turbines are widely used in industrial production, oil and gas, and aviation fields due to their high efficiency and reliability, and market demand is gradually increasing.

[0005] In related technologies, after a long period of operation, the oil pump in the lubrication system of a gas turbine may malfunction, resulting in the entire lubrication system failing to provide adequate lubrication for the gas turbine. This can range from affecting the stable operation of the gas turbine to damaging its components and disrupting its normal operation. Summary of the Invention

[0006] The purpose of this application is to provide a lubrication system for a gas turbine generator set and a gas turbine generator set.

[0007] This application provides a lubrication system for a gas turbine generator set, wherein the gas turbine generator set includes a gas turbine, a generator, and a gearbox that is drively connected between the gas turbine and the generator; the lubrication system includes an oil tank, a main oil pump, an emergency oil pump, a first lubrication oil passage, and a second lubrication oil passage, wherein the oil inlet of the first lubrication oil passage and the second lubrication oil passage are respectively connected to the oil outlet of the oil tank, the oil outlet of the first lubrication oil passage is connected to the oil inlet of the oil tank, the oil outlet of the second lubrication oil passage is connected to the first lubrication oil passage, the main oil pump is located in the first lubrication oil passage, and the emergency oil pump is located in the second lubrication oil passage; the first lubrication oil passage is used to connect to the gas turbine, the generator, and the gearbox respectively, and the connection between the second lubrication oil passage and the first lubrication oil passage is located in the upstream region of the gas turbine, the generator, and the gearbox.

[0008] This application provides a lubrication system for a gas turbine generator set, wherein the gas turbine generator set includes a gas turbine and a generator connected by transmission, and a vehicle body for carrying the gas turbine and the generator, the vehicle body having a gooseneck; the lubrication system includes a lubrication path and a second heat dissipation assembly, the lubrication path for supplying lubricating oil to the gas turbine and the generator, the second heat dissipation assembly including a second radiator, the second radiator being disposed at the gooseneck and communicating with the lubrication path to dissipate heat from the lubricating oil supplied by the lubrication path through the second radiator.

[0009] This application embodiment also provides a gas turbine generator set, including the above-mentioned lubrication system. The vehicle body includes a main vehicle body and an auxiliary vehicle body. The gas turbine and the generator are both located on the main vehicle body, and the auxiliary vehicle body is provided with the gooseneck. At least part of the lubrication system is located on the auxiliary vehicle body, and the second heat dissipation component is located at the gooseneck of the auxiliary vehicle body. Attached Figure Description

[0010] Figure 1 is a schematic diagram showing the connection between the lubrication system disclosed in this application and the gas turbine, generator and gearbox respectively;

[0011] Figure 2 is a schematic diagram of the vehicle body disclosed in an embodiment of this application;

[0012] Figure 3 is a schematic diagram of the first vehicle body disclosed in an embodiment of this application;

[0013] Figure 4 is a schematic diagram of the second vehicle body disclosed in an embodiment of this application;

[0014] Figure 5 is a schematic diagram showing the connection between the lubrication system disclosed in the embodiments of this application and the gas turbine, generator and gearbox respectively;

[0015] Figure 6 is a schematic diagram of the main vehicle body and auxiliary vehicle body disclosed in the embodiments of this application;

[0016] Figure 7 is a schematic diagram of the main vehicle body and the components it carries, as disclosed in the embodiments of this application;

[0017] Figure 8 is a first schematic diagram of the auxiliary vehicle body and the devices it carries, as disclosed in an embodiment of this application;

[0018] Figure 9 is a second schematic diagram of the auxiliary vehicle body and the devices it carries, as disclosed in an embodiment of this application;

[0019] Figure 10 is a third schematic diagram of the auxiliary vehicle body and the devices it carries, as disclosed in the embodiments of this application;

[0020] Figure 11 is a partial schematic diagram of the auxiliary vehicle body at the gooseneck position disclosed in the embodiment of this application.

[0021] Explanation of reference numerals in the attached drawings: 01-Gas turbine; 02-Generator; 03-Gearbox; 04-Lubrication system; 05-First car body; 06-Second car body; 0611-First air intake filter; 0612-Second air intake filter; 0613-Third air intake filter; 0614-Gas turbine air intake filter; 0615-Generator air intake filter; 062-Gooseneck; 071-First gas pipe; 072-Second gas pipe; 073-Third gas pipe; 11-Oil tank; 111-Heater; 112-Temperature sensor; 121-Main oil pump; 122-Emergency oil pump; 131-First lubrication circuit; 132-Second lubrication circuit Oil circuit; 133-Third lubricating oil circuit; 134-Fourth lubricating oil circuit; 141-Pressure regulating valve; 142-Check valve; 151-Dual filter; 152-Lubricating oil differential pressure sensor; 153-Detection circuit; 16-Thermostat; 161-First oil inlet port; 162-Second oil inlet port; 163-Oil outlet port; 171-First radiator; 172-Second radiator; 061-Fan housing nacelle; 063-Guardrail; 064-Ladder; 10-Lubrication path; 12-Oil pump; 13-Lubricating oil circuit; 20-First heat dissipation assembly; 30-Second heat dissipation assembly; 40-Dual filter. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0023] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0024] The embodiments of this application will be described in detail below with reference to the accompanying drawings and specific examples and application scenarios.

[0025] Referring to Figures 1 to 4, this application discloses a lubrication system 04 for a gas turbine generator set. The disclosed gas turbine generator set includes a gas turbine 01, a generator 02, a gearbox 03, and a lubrication system 04. The gas turbine 01 is the power component, providing power to the generator 02 to drive its operation and generate electricity. The generator 02 converts kinetic energy into electrical energy to output electrical energy. The gearbox 03 is a transmission connection between the gas turbine 01 and the generator 02 to transmit power and motion. The lubrication system 04 provides lubricating oil to at least the gas turbine 01 and the generator 02, ensuring adequate lubrication, reducing wear, and guaranteeing the normal operation of the gas turbine 01 and the generator 02.

[0026] The lubrication system 04 may include a lubrication path, in which components such as the gas turbine 01 and the generator 02 may be located, so as to supply lubricating oil to the gas turbine 01 and the generator 02 through the lubrication path, thereby achieving lubrication of the gas turbine 01 and the generator 02.

[0027] Referring to Figure 1, the lubrication path may include an oil tank 11, a main oil pump 121, an emergency oil pump 122, a first lubrication oil passage 131, and a second lubrication oil passage 132. The inlets of the first lubrication oil passage 131 and the second lubrication oil passage 132 are respectively connected to the outlet of the oil tank 11. The outlet of the first lubrication oil passage 131 is connected to the inlet of the oil tank 11. The outlet of the second lubrication oil passage 132 is connected to the first lubrication oil passage 131. The main oil pump 121 is located in the first lubrication oil passage 131, and the emergency oil pump 122 is located in the second lubrication oil passage 132. Furthermore, the first lubrication oil passage 131 is used to connect to the gas turbine 01, the generator 02, and the gearbox 03, respectively, and the connection point between the second lubrication oil passage 132 and the first lubrication oil passage 131 is located downstream of the gas turbine 01, the generator 02, and the gearbox 03.

[0028] Based on the above configuration, under the action of the main oil pump 121, the lubricating oil in the oil tank 11 can enter the first lubricating oil passage 131 and flow from the inlet end to the outlet end of the first lubricating oil passage 131; under the action of the emergency oil pump 122, the lubricating oil in the oil tank 11 can enter the second lubricating oil passage 132 and flow into the first lubricating oil passage 131 through the outlet end of the second lubricating oil passage 132. Therefore, lubricating oil can be supplied to the gas turbine 01, generator 02, and gearbox 03 through the first lubricating oil passage 131, achieving lubrication of the gas turbine 01, generator 02, and gearbox 03, and also providing a cooling effect to the gas turbine 01, generator 02, and gearbox 03.

[0029] It should be noted that under normal circumstances, the main oil pump 121 can be started to supply lubricating oil to the gas turbine 01, generator 02, and gearbox 03 through the first lubrication oil circuit 131, thereby achieving lubrication and cooling for each of them. When the main oil pump 121 fails, the emergency oil pump 122 can be started to deliver lubricating oil to the first lubrication oil circuit 131 through the second lubrication oil circuit 132, and then supply lubricating oil to the gas turbine 01, generator 02, and gearbox 03 through the first lubrication oil circuit 131, thereby achieving lubrication and cooling for each of them. Therefore, through the coordinated operation of the main oil pump and the auxiliary oil pump, the uninterrupted operation of the lubrication system 04 can be ensured, further guaranteeing the stable operation of the gas turbine generator set.

[0030] Referring again to Figure 1, in some embodiments, the lubrication system 04 may further include a pressure regulating valve 141 for a third lubrication oil passage 133 and a fourth lubrication oil passage 134. One end of the third lubrication oil passage 133 is connected to the first lubrication oil passage 131, and the other end is connected to the oil tank 11. The pressure regulating valve 141 is located in the third lubrication oil passage 133. Based on this configuration, by opening the pressure regulating valve 141, the lubricating oil in the first lubrication oil passage 131 can flow back to the oil tank 11 via the third lubrication oil passage 133, thereby reducing the pressure in the first lubrication oil passage 131. Simultaneously, different opening degrees of the pressure regulating valve 141 can change the flow rate of the returning lubricating oil, thus adjusting the flow rate of the lubricating oil in the first lubrication oil passage 131 according to actual needs, thereby regulating the pressure in the first lubrication oil passage 131.

[0031] One end of the fourth lubricating oil passage 134 is connected to the pressure regulating valve 141, and the other end of the fourth lubricating oil passage 134 is connected to the first lubricating oil passage 131. The connection between the fourth lubricating oil passage 134 and the first lubricating oil passage 131 is located upstream of the connection between the second lubricating oil passage 132 and the first lubricating oil passage 131. Based on this configuration, by opening the pressure regulating valve 141, the lubricating oil in the first lubricating oil passage 131 can flow through the fourth lubricating oil passage 134 to the pressure regulating valve 141, and then flow back to the oil tank 11 through the third lubricating oil passage 133. This can reduce the pressure in the first lubricating oil passage 131. At the same time, different opening degrees of the pressure regulating valve 141 can change the flow rate of the returning lubricating oil, thereby adjusting the flow rate of the lubricating oil in the first lubricating oil passage 131 according to actual needs, and thus regulating the pressure in the first lubricating oil passage 131.

[0032] In addition, the pressure regulating valve 141 can also act as a safety valve to a certain extent, thereby improving the safety of the lubrication system 04.

[0033] It should be noted that the third lubrication oil passage 133 and the fourth lubrication oil passage 134 are each connected to the first lubrication oil passage 131 at different locations. For example, the connection between the third lubrication oil passage 133 and the first lubrication oil passage 131 can be close to the main oil pump 121, i.e., the downstream section, while the connection between the fourth lubrication oil passage 134 and the first lubrication oil passage 131 can be far away from the main oil pump 121, i.e., the upstream section.

[0034] In some more specific embodiments, when a heat dissipation component is connected to the first lubrication oil passage 131, the connection between the third lubrication oil passage 133 and the first lubrication oil passage 131 can be located in the upstream region of the heat dissipation component, and the connection between the fourth lubrication oil passage 134 and the first lubrication oil passage 131 can be located in the downstream region of the heat dissipation component.

[0035] In some embodiments, the lubrication system 04 may further include a check valve 142, which may be located in the first lubrication passage 131 and upstream of the junction of the second lubrication passage 132 and the first lubrication passage 131. Based on this configuration, in the event of a failure of the main oil pump 121 and activation of the emergency oil pump 122, the check valve 142 can prevent lubricating oil from flowing from the second lubrication passage 132 into the first lubrication passage 131, effectively preventing backflow of lubricating oil along the first lubrication passage 131 and ensuring proper lubrication of the gas turbine 01, generator 02, and gearbox 03.

[0036] In other embodiments, the check valve 142 may be located in other positions. Specifically, the check valve 142 may be located in the first lubrication oil passage 131 near the outlet of the main oil pump 121 to prevent lubricating oil from flowing back to the main oil pump when the main oil pump 121 stops.

[0037] The check valve 142 can also be located near the outlet of the emergency oil pump 122 in the second lubrication oil passage 132 to prevent the lubricating oil in the first lubrication oil passage 131 from flowing back to the emergency oil pump 122 via the second lubrication oil passage 132.

[0038] In some embodiments, the lubrication system 04 may further include a dual filter 151, a lubricating oil differential pressure sensor 152, and a detection circuit 153. The dual filter 151 may be located in the first lubricating oil passage 131. One end of the detection circuit 153 is connected to the region of the first lubricating oil passage 131 upstream of the dual filter 151, and the other end of the detection circuit 153 is connected to the region of the first lubricating oil passage 131 downstream of the dual filter 151. The lubricating oil differential pressure sensor 152 is located in the detection circuit 153.

[0039] Based on the above settings, the pressure difference between the two ends of the dual filter 151 can be detected in real time by the lubricating oil differential pressure sensor 152. When the dual filter 151 is in normal condition, the pressure difference between the upstream and downstream areas of the dual filter 151 detected by the lubricating oil differential pressure sensor 152 does not exceed the preset pressure difference. When the detected pressure difference exceeds the preset pressure difference, it indicates that the dual filter 151 is blocked or malfunctioning, which can serve as a reminder to the staff and ensure the normal operation of the lubrication system 04.

[0040] In some embodiments, the lubrication system 04 may further include a thermostat 16 and a heat dissipation assembly. The thermostat 16 has a first oil inlet port 161, a second oil inlet port 162, and an oil outlet port 163. The first oil inlet port 161 is connected to the oil outlet of the heat dissipation assembly, the second oil inlet port 162 is connected to the upstream section of the first lubrication oil passage 131, and the oil outlet port 163 is connected to the downstream section of the first lubrication oil passage 131. The oil inlet of the heat dissipation assembly is connected to the upstream section of the first lubrication oil passage 131.

[0041] Based on the above configuration, the lubricating oil in the first lubrication oil passage 131 can flow into the thermostat 16 and the heat dissipation assembly respectively. Specifically, when the temperature of the lubricating oil is relatively low (e.g., below the set temperature of the thermostat 16), it is not necessary to pass through the heat dissipation assembly to cool the lubricating oil, so that the lubricating oil can directly pass through the thermostat 16 and flow downstream through the first lubrication oil passage 131; when the temperature of the lubricating oil is relatively high (e.g., above the set temperature of the thermostat 16), it is necessary to pass through the heat dissipation assembly to cool the lubricating oil, so that the lubricating oil can enter the heat dissipation assembly and dissipate heat through the heat dissipation assembly to reduce the temperature of the lubricating oil. The lubricating oil with reduced temperature is then transported downstream again through the first lubrication oil passage 131.

[0042] In some more specific embodiments, the thermostat 16 may be located in the upstream region of the dual filter 151.

[0043] In some embodiments, the heat dissipation assembly may include a first radiator 171, which is disposed at the gas inlet of the gas turbine 01 and communicates with the first lubricating oil passage 131. Based on this, heat can be dissipated to the gas inlet of the gas turbine 01 through the first radiator 171, thereby alleviating the problem of icing at the gas inlet of the gas turbine 01 affecting the normal gas delivery of the gas turbine 01.

[0044] As shown in Figure 4, the air inlet may include a first air inlet filter 0611, a second air inlet filter 0612, and a third air inlet filter 0613; correspondingly, the gas turbine generator set may also include a vehicle body for carrying the gas turbine 01, the generator 02, and the gearbox 03, and the first air inlet filter 0611, the second air inlet filter 0612, and the third air inlet filter 0613 may all be located on the vehicle body.

[0045] Specifically, a first air intake filter 0611 can be provided on one side of the vehicle body (e.g., the driver's side), a second air intake filter 0612 can be provided on the other side of the vehicle body (e.g., the passenger side), and a third air intake filter 0613 can be provided at the rear of the vehicle body; a first radiator 171 can be provided at at least one of the first air intake filter 0611, the second air intake filter 0612, and the third air intake filter 0613, so as to dissipate heat to at least one air intake filter to prevent at least one air intake filter from freezing and affecting the normal air intake of the vehicle body.

[0046] As shown in Figure 4, the air inlet may further include a gas turbine air inlet filter 0614 and a generator air inlet filter 0615; correspondingly, a first radiator 171 may also be disposed at at least one of the gas turbine air inlet filter 0614 and the generator air inlet filter 0615. Based on this arrangement, heat can be dissipated to at least one of the gas turbine air inlet filter 0614 and the generator air inlet filter 0615 through the first radiator 171 to prevent icing at least one air inlet filter from affecting the normal air intake of the vehicle body.

[0047] Optionally, the vehicle body may include a first vehicle body 05 and a second vehicle body 06, as shown in Figure 2. The first vehicle body 05 may be used to carry the gas turbine 01, the generator 02 and the gearbox 03, while the second vehicle body 06 may be used to carry the air intake and ventilation system, so as to realize the air intake and ventilation of the gas turbine generator set through the air intake and ventilation system.

[0048] Referring to Figure 2, the first air intake filter 0611, the second air intake filter 0612, the third air intake filter 0613, the gas turbine air intake filter 0614, and the generator air intake filter 0615 can all be installed on the second vehicle body 06. A fan can be installed on the second vehicle body 06 to achieve air intake and ventilation. Furthermore, the second vehicle body 06 and the first vehicle body 05 can be connected by a pipeline, which can include a first air pipe 071, a second air pipe 072, and a third air pipe 073. The first air pipe 071 supplies the gas required for air intake to the gas turbine 01, the second air pipe 072 supplies the gas required for ventilation to the gas turbine, and the third air pipe 073 supplies the gas required for ventilation to the generator 02, thereby achieving air intake for the gas turbine 01, ventilation and heat dissipation for the gas turbine 01, and ventilation and heat dissipation for the generator 02, respectively.

[0049] Referring to Figure 4, in some embodiments, the heat dissipation assembly may further include a second radiator 172, which is disposed at the gooseneck 062 of the vehicle body. The second radiator 172 is connected to the first lubrication oil passage 131 to supply lubricating oil to the second radiator 172, and dissipates heat outward through the second radiator 172 to prevent the lubricating oil temperature from becoming too high. One end of the vehicle body may be provided with a bent support plate, mainly serving a connecting and load-bearing function; this can be considered as the gooseneck 062 of the vehicle body. In some more specific embodiments, the longitudinal section of the gooseneck 062 may be Z-shaped.

[0050] It should be noted that the temperature of the lubricating oil in the area near the gas turbine 01, generator 02, and gearbox 03 in the first lubricating oil circuit 131 can be monitored in real time. When the temperature of the lubricating oil does not exceed the preset oil temperature, the lubricating oil can be mainly supplied to the first radiator 171 through the first lubricating oil circuit 131 for heat dissipation and to prevent freezing. When the temperature of the lubricating oil is higher than the preset oil temperature, the lubricating oil can be supplied to the first radiator 171 and the second radiator 172 through the first lubricating oil circuit 131 at the same time, so that the lubricating oil can be cooled by the first radiator 171 and the second radiator 172 together to prevent the lubricating oil temperature from being too high and affecting the heat dissipation effect of the lubricant on the gas turbine 01, generator 02, and gearbox 03.

[0051] In addition, since the second radiator 172 is located at the gooseneck 062 of the vehicle body, the second radiator 172 is exposed to the outside, so the heat emitted by the second radiator 172 can be quickly removed by the outside airflow, thereby improving the heat dissipation efficiency.

[0052] When the gas turbine generator set is first started, the gas turbine 01, generator 02, and gearbox 03 are at low temperatures and the lubrication effect is poor. In this case, in order to ensure that the lubricating oil can achieve a good lubrication effect, in this embodiment of the application, the lubrication system 04 may further include a heater 111, as shown in Figure 1, which is installed in the oil tank 11. Based on this, when the gas turbine generator set is first started, the lubricating oil in the oil tank 11 can be heated by the heater 111 to raise the lubricating oil to a certain temperature. In this case, the lubrication system 04 can deliver the lubricating oil with a certain temperature to the gas turbine 01, generator 02, and gearbox 03, thereby achieving a good lubrication and heating effect for the gas turbine 01, generator 02, and gearbox 03 respectively during the start-up phase, so as to alleviate the problem of wear on components during cold start.

[0053] Furthermore, the lubrication system 04 may also include a temperature sensor 112, as shown in Figure 1. The temperature sensor 112 is located inside the oil tank 11. In this way, the temperature sensor 112 can monitor the temperature of the lubricating oil in the oil tank 11 in real time to prevent the temperature from being too high or too low. This ensures good lubrication of the gas turbine 01, generator 02 and gearbox 03, and also achieves good heat dissipation for the gas turbine 01, generator 02 and gearbox 03.

[0054] Based on the above-mentioned lubrication system 04, this application embodiment also discloses a gas turbine generator set, which includes the above-mentioned lubrication system 04.

[0055] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

[0056] With the continuous development of the global economy and the increasing demand for energy, the market demand for industrial gas turbines is also showing a rapid growth trend. In the industrial production sector, industrial gas turbines, with their efficient, stable, and reliable power output, have become the preferred power equipment for many enterprises. Industrial gas turbines are widely used in industrial production, oil and gas, and aviation fields due to their high efficiency and reliability, and market demand is gradually increasing.

[0057] In some gas turbine generators in related technologies, the lubricating oil temperature is high during operation due to poor heat dissipation, which affects the characteristics of the lubricating oil and thus is detrimental to the lubrication effect on the gas turbine generator set.

[0058] The purpose of this application is to provide a lubrication system for a gas turbine generator set and a gas turbine generator set, which can solve problems such as poor heat dissipation of lubricating oil.

[0059] The embodiments of this application will be described in detail below with reference to the accompanying drawings and specific examples and application scenarios.

[0060] Referring to Figures 5 to 11, this application discloses a lubrication system 04 for a gas turbine generator set, wherein the gas turbine generator set includes a gas turbine 01 and a generator 02 connected by a transmission. Exemplarily, the gas turbine 01 and the generator 02 can be connected by a gearbox 03 to ensure smooth transmission. The gas turbine generator set also includes a vehicle body for carrying the gas turbine 01 and the generator 02, ensuring stable support for the gas turbine 01 and the generator 02, and facilitating the transportation of the gas turbine 01 and the generator 02.

[0061] The lubrication system 04 may include a lubrication path 10, through which components such as the gas turbine 01 and the generator 02 can be connected to the lubrication path 10 to supply lubricating oil to at least these components, thereby achieving lubrication of the gas turbine 01 and the generator 02. Similarly, the gearbox 03 may also be connected to the lubrication path 10 to achieve lubrication of the gearbox 03.

[0062] Optionally, as shown in Figure 5, the lubrication path 10 may include an oil tank 11, an oil pump 12, a lubrication oil circuit 13, etc. The gas turbine 01, generator 02, etc. can all be connected to the lubrication oil circuit 13. In this way, under the action of the oil pump 12, the lubricated oil in the oil tank 11 can be delivered to the gas turbine 01, generator 02, etc. through the lubrication oil circuit 13 to achieve the lubrication effect on the gas turbine 01 and generator 02.

[0063] Considering that components such as gas turbine 01 and generator 02 can generate heat during operation, and that the lubricating oil absorbs some of the heat as it passes through these components, the lubricating oil can achieve a cooling effect on these components. At the same time, the temperature of the lubricating oil that absorbs the heat is increased.

[0064] To dissipate heat from the lubricating oil, the lubrication system 04 may also include a second heat dissipation component 30, which includes a second radiator 172, allowing the lubricating oil transported by the lubrication path 10 to enter the second radiator 172. In this way, the heat in the lubricating oil can be dissipated through the second radiator 172, thereby reducing the temperature of the lubricating oil. The cooled lubricating oil can then continue to lubricate and cool components such as the gas turbine 01 and the generator 02.

[0065] Optionally, the second radiator 172 can be connected to the lubrication passage 13 to deliver lubricating oil to the second radiator 172 through the lubrication passage 13.

[0066] Furthermore, the vehicle body may have a gooseneck 062, and a second radiator 172 is disposed at the gooseneck 062, and the second radiator 172 is connected to the lubrication path 10, so that the lubricating oil supplied by the lubrication path 10 can be cooled through the second radiator 172. It should be noted that the gooseneck 062 can serve as a connection between vehicle body sections, and can also serve as a load-bearing structure for some components, such as the second radiator 172. For example, the longitudinal section of the gooseneck 062 can be Z-shaped.

[0067] Based on the above configuration, in this embodiment, the gas turbine 01 and generator 02 can be lubricated and cooled through the lubrication path 10 to ensure their normal operation. Since the lubricating oil absorbs heat and its temperature rises after passing through the gas turbine 01 and generator 02, the lubrication path 10 delivers the heated lubricating oil to the second heat dissipation component 30, which can then dissipate heat to the outside. Furthermore, the second heat dissipation component 30 is located at the gooseneck 062 of the vehicle body, placing it in the open air, thereby improving its heat dissipation efficiency and effectively preventing the lubricating oil temperature from becoming too high and affecting the cooling effect on the gas turbine 01 and generator 02.

[0068] Referring to Figure 11, in some embodiments, the second heat dissipation assembly 30 may include a plurality of second radiators 172, which are arranged at intervals along the left-right direction of the vehicle body at the gooseneck 062. Based on this arrangement, heat-absorbing lubricating oil can be delivered to the plurality of second radiators 172 via the lubrication path 10, allowing for heat dissipation through each of the multiple second radiators 172. Furthermore, since the multiple second radiators 172 are all located at the gooseneck 062 of the vehicle body, they are all exposed, which can improve heat dissipation efficiency to a certain extent and prevent the lubricating oil temperature from becoming too high and affecting the heat dissipation effect on components such as the gas turbine 01 and the generator 02.

[0069] For example, multiple second radiators 172 are arranged at intervals along the left and right directions of the vehicle body on the gooseneck 062, which can make full use of the space at the gooseneck 062 and can not occupy the space in the front and rear directions of the vehicle body, which can help to shorten the length of the vehicle body to a certain extent.

[0070] In some more specific embodiments, the second heat dissipation component 30 may include two second heat sinks 172, which are symmetrically arranged on the gooseneck 062.

[0071] Referring to Figures 5 and 11, in some embodiments, the lubrication system 04 may further include a dual filter 40, which is connected to the lubrication path 10 to filter the lubricating oil. In addition, the lubrication system 04 may also include a lubricating oil differential pressure sensor and a detection circuit. One end of the detection circuit is connected to the region of the lubrication path 10 upstream of the dual filter 40, and the other end of the detection circuit is connected to the region of the lubrication path 10 downstream of the dual filter 40. The lubricating oil differential pressure sensor is located in the detection circuit. Therefore, the lubricating oil differential pressure sensor can detect the pressure difference of the lubricating oil at both ends of the dual filter 40 in real time, thereby determining whether the dual filter 40 is clogged.

[0072] Optionally, the dual filter 40 can be connected to the lubrication line 13 to filter the lubrication oil in the lubrication line 13.

[0073] Based on the above settings, the pressure difference between the two ends of the dual filter 40 can be detected in real time by the lubricating oil differential pressure sensor. When the dual filter 40 is in normal condition, the pressure difference between the upstream and downstream areas of the dual filter 40 detected by the lubricating oil differential pressure sensor does not exceed the preset pressure difference. When the detected pressure difference exceeds the preset pressure difference, it indicates that the dual filter 40 is blocked or malfunctioning, which can serve as a reminder to the staff and ensure the normal operation of the lubrication system 04.

[0074] In addition, the dual filter 40 can be set at the gooseneck 062, so that the dual filter 40 can be located around the second heat sink 172. This arrangement can make fuller use of the space at the gooseneck 062.

[0075] Referring again to Figure 11, in some embodiments, a guardrail 063 may be provided at the gooseneck 062. The guardrail 063 surrounds the second radiator 172, thus providing a certain degree of protection for the second radiator 172 to prevent damage. In addition, when workers are working on the gooseneck 062, the guardrail 063 can also protect them from falling from the gooseneck 062 and causing injury.

[0076] Furthermore, a ladder 064 can be provided at the goose neck 062, which is used for staff to go up and down the goose neck 062, thereby facilitating staff to maintain the components on the goose neck 062.

[0077] Based on the aforementioned lubrication system 04, this application embodiment also discloses a gas turbine generator set, which includes the aforementioned lubrication system 04. The vehicle body may include a first vehicle body 05 and a second vehicle body 06, as shown in Figure 6. Both the gas turbine 01 and the generator 02 can be mounted on the first vehicle body 05 to ensure stable support for them. The second vehicle body 06 can be used to support other components, such as cooling components and fans. Based on this configuration, this application embodiment adopts a dual-vehicle support method with the first vehicle body 05 and the second vehicle body 06. Compared to a single-vehicle support method, this application embodiment can reduce the load on a single vehicle, thereby alleviating the problem of excessive axle load and effectively reducing the vehicle width to meet road transport regulations.

[0078] The second vehicle body 06 may be equipped with a gooseneck 062, and at least a portion of the lubrication system 04 may be located on the second vehicle body 06, with the second heat dissipation component 30 positioned at the gooseneck 062. Based on this configuration, the second heat dissipation component 30 can be supported by the gooseneck 062 of the second vehicle body 06. This reduces the load on the first vehicle body 05 and facilitates heat dissipation for the second heat dissipation component 30, thereby improving heat dissipation efficiency.

[0079] To dissipate heat from the lubricating oil, the lubrication system 04 may further include a first heat dissipation component 20, which includes a first radiator 171. The first radiator 171 is connected to the lubrication path 10, so that the lubricating oil transmitted by the lubrication path 10 can enter the first radiator 171. The first radiator 171 can dissipate heat from the lubricating oil supplied by the lubrication path 10, thereby obtaining lubricating oil with a lower temperature, which can then continue to lubricate and cool components such as the gas turbine 01 and the generator 02.

[0080] Optionally, the first radiator 171 can be connected to the lubrication oil passage 13 to supply lubricating oil to the first radiator 171 through the lubrication oil passage 13. In addition, the first radiator 171 and the second radiator 172 can be connected in parallel, and the lubrication oil passage 13 can be controlled by a control valve to supply lubricating oil to at least one of the first radiator 171 and the second radiator 172.

[0081] The first radiator 171 can be located on the second vehicle body 06 so that the second vehicle body 06 can stably support the first radiator 171 and avoid the first radiator 171 occupying the space of the first vehicle body 05 and increasing the load of the first vehicle body 05.

[0082] Optionally, the first heat dissipation component 20 may include a plurality of first heat sinks 171 to improve heat dissipation effect through the plurality of first heat sinks 171.

[0083] Referring to Figure 9, in some embodiments, the second vehicle body 06 may have a first air intake filter 0611 on one side (e.g., the driver's side) along the left-right direction, and a second air intake filter 0612 on the other side (e.g., the passenger side) along the left-right direction. The rear of the second vehicle body 06 may have a point air intake filter. The first radiator 171 is disposed at at least one of the first air intake filter 0611, the second air intake filter 0612, and the third air intake filter 0613.

[0084] Based on the above settings, the first radiator 171 can be installed to ensure that the first air intake filter 0611, the second air intake filter 0612 and the third air intake filter 0613 will not freeze, thereby ensuring smooth air intake and further ensuring sufficient air intake.

[0085] In other embodiments, the second vehicle body 06 may also be provided with a gas turbine air inlet filter 0614 and a generator air inlet filter 0615; the first radiator 171 may be provided at at least one of the gas turbine air inlet filter 0614 and the generator air inlet filter 0615. Based on the above configuration, the first radiator 171 can be provided to ensure that the gas turbine air inlet filter 0614 and the generator air inlet filter 0615 will not freeze, thereby ensuring smooth air intake.

[0086] In some embodiments, the second vehicle body 06 may have a fan housing 061, which may be provided with a partition to divide the fan housing 061 into a first housing space and a second housing space, and the first housing space and the second housing space are arranged along the vertical direction of the second vehicle body 06.

[0087] In addition, the ventilation of the gas turbine generator set can be achieved by blowing air through a fan unit. This fan unit can be installed on the second car body 06 to avoid the fan unit occupying space in the first car body 05 and increasing the load on the first car body 05.

[0088] The fan unit may include a first fan and a second fan. The first fan is located in a first accommodating space, and the second fan is located in a second accommodating space. The first fan can provide power for ventilation of the gas turbine 01, and the second fan can provide power for ventilation of the generator 02. The fan unit may also include a third fan, which can provide power for the intake of the gas turbine 01.

[0089] Based on the above configuration, the embodiments of this application can arrange the first fan and the second fan in the vertical direction, which can make full use of the space in the height direction of the second vehicle body 06 and help reduce the size in the length direction of the second vehicle body 06.

[0090] In some embodiments, the first vehicle body 05 may include a load-bearing frame, which is at least spliced ​​from non-carbon steel beams and carbon steel beams. Based on this configuration, the load-bearing capacity of the first vehicle body 05 can be improved by using a load-bearing frame, and it also helps to reduce the weight of the load-bearing frame, reducing the risk of overweight. Compared with welded carbon steel frames in related technologies, it has the advantage of lightweighting while ensuring load-bearing capacity.

[0091] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A lubrication system for a gas turbine generator set, the gas turbine generator set comprising a gas turbine (01), a generator (02), and a gearbox (03) drivingly connected between the gas turbine (01) and the generator (02); The lubrication system (04) includes an oil tank (11), a main oil pump (121), an emergency oil pump (122), a first lubrication oil passage (131), and a second lubrication oil passage (132). The oil inlet of the first lubrication oil passage (131) and the second lubrication oil passage (132) are respectively connected to the oil outlet of the oil tank (11). The oil outlet of the first lubrication oil passage (131) is connected to the oil inlet of the oil tank (11). The oil outlet of the second lubrication oil passage (132) is connected to the first lubrication oil passage (131). The main oil pump (121) is located in the first lubrication oil passage (131), and the emergency oil pump (122) is located in the second lubrication oil passage (132). The first lubrication circuit (131) is used to connect to the gas turbine (01), the generator (02) and the gearbox (03) respectively, and the connection between the second lubrication circuit (132) and the first lubrication circuit (131) is located in the upstream region of the gas turbine (01), the generator (02) and the gearbox (03).

2. The lubrication system according to claim 1, wherein, The lubrication system (04) also includes a third lubrication oil passage (133), a fourth lubrication oil passage (134), and a pressure regulating valve (141); One end of the third lubricating oil passage (133) is connected to the first lubricating oil passage (131), and the other end of the third lubricating oil passage (133) is connected to the oil tank (11); The pressure regulating valve (141) is located in the third lubrication oil circuit (133); One end of the fourth lubricating oil passage (134) is connected to the pressure regulating valve (141), and the other end of the fourth lubricating oil passage (134) is connected to the first lubricating oil passage (131). The connection between the fourth lubricating oil passage (134) and the first lubricating oil passage (131) is located in the upstream region of the connection between the second lubricating oil passage (132) and the first lubricating oil passage (131).

3. The lubrication system according to claim 1, wherein, The lubrication system (04) also includes a check valve (142); The check valve (142) is located in the first lubricating oil passage (131) and in the upstream region of the junction between the second lubricating oil passage (132) and the first lubricating oil passage (131).

4. The lubrication system according to claim 1, wherein, The lubrication system (04) also includes a dual filter (151), a lubricating oil differential pressure sensor (152), and a detection circuit (153); The dual filter (151) is located in the first lubrication oil passage (131); One end of the detection circuit (153) is connected to the area of ​​the first lubricating oil circuit (131) located upstream of the dual filter (151), and the other end of the detection circuit (153) is connected to the area of ​​the first lubricating oil circuit (131) located downstream of the dual filter (151). The lubricating oil differential pressure sensor (152) is located in the detection circuit (153).

5. The lubrication system according to claim 1 or 4, wherein, The lubrication system (04) also includes a thermostat (16) and a heat dissipation assembly; The thermostat (16) has a first oil inlet port (161), a second oil inlet port (162), and an oil outlet port (163). The first oil inlet port (161) is connected to the oil outlet of the heat dissipation component, the second oil inlet port (162) is connected to the upstream section of the first lubricating oil passage (131), and the oil outlet port (163) is connected to the downstream section of the first lubricating oil passage (131). The oil inlet of the heat dissipation component is connected to the upstream section of the first lubrication oil circuit (131).

6. The lubrication system according to claim 5, wherein, The heat dissipation assembly includes a first radiator (171), which is used to be disposed at the gas inlet of the gas turbine (01).

7. The lubrication system according to claim 6, wherein, The gas turbine generator set also includes a vehicle body for carrying the gas turbine (01), the generator (02) and the gearbox (03); The vehicle body is provided with a first air intake filter (0611) on one side, a second air intake filter (0612) on the other side, and a third air intake filter (0613) at the rear of the vehicle body. The first radiator (171) is used to be installed at at least one of the first air intake filter (0611), the second air intake filter (0612), and the third air intake filter (0613). Alternatively, the vehicle body may be provided with a gas turbine air inlet filter (0614) and a generator air inlet filter (0615), and the first radiator (171) may be disposed at at least one of the gas turbine air inlet filter (0614) and the generator air inlet filter (0615).

8. The lubrication system according to claim 5, wherein, The gas turbine generator set also includes a vehicle body for carrying the gas turbine (01), the generator (02) and the gearbox (03); The heat dissipation assembly includes a second radiator (172) which is disposed at the gooseneck (062) of the vehicle body.

9. The lubrication system according to claim 1, wherein, The lubrication system (04) also includes a heater (111), which is located inside the oil tank (11); And / or, the lubrication system (04) further includes a temperature sensor (112) located inside the oil tank (11).

10. A gas turbine generator set, comprising the lubrication system (04) as described in any one of claims 1 to 9.

11. A lubrication system for a gas turbine generator set, the gas turbine generator set comprising a gas turbine (01) and a generator (02) connected by transmission, and a vehicle body for carrying the gas turbine (01) and the generator (02), the vehicle body having a gooseneck (062); The lubrication system (04) includes a lubrication path (10) and a second heat dissipation component (30). The lubrication path (10) is used to supply lubricating oil to the gas turbine (01) and the generator (02). The second heat dissipation component (30) includes a second radiator (172) which is disposed at the gooseneck (062) and communicates with the lubrication path (10) to dissipate heat from the lubricating oil supplied by the lubrication path (10) through the second radiator (172).

12. The lubrication system according to claim 11, wherein, The second heat dissipation assembly (30) includes a plurality of second radiators (172) which are arranged at intervals along the left-right direction of the vehicle body at the gooseneck (062).

13. The lubrication system according to claim 11, wherein, The lubrication system (04) further includes a dual filter (40) which is connected to the lubrication path (10) and is used to be installed at the gooseneck (062).

14. The lubrication system according to claim 11, wherein, The goose neck (062) is also provided with a guardrail (063), which surrounds the second radiator (172). And / or, a ladder (064) is also provided at the goose neck (062).

15. A gas turbine generator set, comprising a lubrication system (04) as described in any one of claims 11 to 14, wherein the vehicle body comprises a first vehicle body (05) and a second vehicle body (06), wherein the gas turbine (01) and the generator (02) are both disposed in the first vehicle body (05), and the second vehicle body (06) is provided with the gooseneck (062); At least a portion of the lubrication system (04) is disposed on the second vehicle body (06), and the second heat dissipation component (30) is disposed at the gooseneck (062) of the second vehicle body (06).

16. The gas turbine generator set according to claim 15, wherein, The lubrication system (04) further includes a first heat dissipation component (20), which includes a first radiator (171) disposed on the second vehicle body (06) and connected to the lubrication path (10) to dissipate the lubricating oil supplied by the lubrication path (10) through the first radiator (171).

17. The gas turbine generator set according to claim 16, wherein, The second vehicle body (06) is provided with a first air intake filter (0611) on one side along the left and right direction, a second air intake filter (0612) on the other side along the left and right direction, and a third air intake filter (0613) at the rear of the second vehicle body (06). The first radiator (171) is disposed at at least one of the first air intake filter (0611), the second air intake filter (0612), and the third air intake filter (0613).

18. The gas turbine generator set according to claim 16, wherein, The second vehicle body (06) is also equipped with a gas turbine air inlet filter (0614) and a generator air inlet filter (0615); The first radiator (171) is disposed at at least one of the gas turbine air inlet filter (0614) and the generator air inlet filter (0615).

19. The gas turbine generator set according to claim 15, wherein, The second vehicle body (06) has a fan housing compartment (061), and the fan housing compartment (061) is provided with a partition, which divides the fan housing compartment (061) into a first housing space and a second housing space; The first and second accommodating spaces are arranged along the vertical direction of the second vehicle body (06).

20. The gas turbine generator set according to claim 15, wherein, The first vehicle body (05) includes a load-bearing frame, which is composed of at least non-carbon steel beams and carbon steel beams.

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