Organic working fluid turbine adjustable support bearing system

Abstract

This invention discloses an adjustable support bearing system for an organic working fluid turbine, comprising a bearing assembly, a parameter monitoring unit, a lubrication adjustment unit, and a PLC control system. The bearing assembly includes a bearing shell, several bearing blocks evenly distributed circumferentially on the inner bore of the bearing shell, and oil retaining rings disposed on both sides of the bearing blocks, with an oil groove formed between the bearing blocks. The parameter monitoring unit includes an inter-bearing temperature measuring component assembly for monitoring the lubricating oil temperature in the oil groove, an inter-bearing pressure measuring component assembly for monitoring the lubricating oil pressure in the oil groove, and an inter-bearing temperature measuring component assembly for monitoring the bearing block temperature. The lubrication adjustment unit includes an oil pressure regulating valve for regulating the pressure of the lubricating oil supplied to the bearing and a cooling water regulating valve for regulating the lubricating oil temperature. The PLC control system is signal-connected to the parameter monitoring unit to receive temperature and pressure data, and is also signal-connected to the lubrication adjustment unit to regulate and control the lubricating oil temperature and pressure in the inter-bearing oil groove, thereby achieving safe and low-power operation of the bearing assembly.

Description

Technical Field

[0001] This invention belongs to the field of turbine expander technology, specifically an adjustable support bearing system for organic working fluid turbines. Background Technology

[0002] Turbines used in dual-function thermal / waste heat power generation systems employ flammable organic working media such as isopentane and cyclopentane as the circulating medium, and leakage to the outside is not permitted. Since mechanical seals are suitable for hazardous, flammable, and toxic media conditions, they are widely used in organic working medium turbines. Mechanical seals lack a horizontal split surface, meaning they can only be installed along the rotor shaft extension. This necessitates that the rotor journal diameter be smaller than the inner diameter of the mechanical seal bushing. Furthermore, according to API 682 standards, the sealing surface diameter of mechanical seals is typically less than 110 mm. Therefore, the rotor journal size of organic working medium turbines is relatively small. However, high-power organic working medium turbines have heavier rotors. Consequently, the support components for the rotating parts of organic working medium turbines must withstand large radial loads within a small size. Therefore, improving the load-bearing capacity of the radial force support components of organic working medium turbines is of great significance.

[0003] Organic working fluid turbines typically use hydrodynamic lubrication sliding bearings as support components for rotating parts. For cost considerations, hydrodynamic lubrication sliding bearings mainly use oil immersion lubrication. Its characteristics are: the gap between the bearing blocks forms an oil groove, and external lubricating oil is directly supplied to the oil groove between the bearing blocks through the oil supply system. Several bearing blocks distributed along the inner hole of the bearing body are completely immersed in lubricating oil.

[0004] Because there is an oil trough between two adjacent bearings and external cold oil is directly supplied to the oil trough, along the rotation direction, the oil discharged from the oil outlet of the upstream bearing inevitably enters the oil trough and mixes with the oil entering the downstream bearing. The high-speed stirring during rotor rotation causes the temperature of the lubricating oil in the oil trough to rise. In addition, the mixed lubricating oil in the oil trough has pressure, which causes axial leakage along the oil baffle. Therefore, the temperature and pressure of the mixed lubricating oil in the oil trough change with the changes in the oil supply system parameters and the unit operating parameters.

[0005] On the one hand, excessively high temperature or low pressure of the mixed lubricating oil in the oil tank can lead to high bearing temperature, affecting the safe operation of the organic working fluid turbine. On the other hand, excessively low bearing temperature means that the effective viscosity of the lubricating oil is high, resulting in high frictional power consumption. This is because excessively low temperature or high pressure of the mixed lubricating oil in the oil tank will reduce the power generation capacity and efficiency of the organic working fluid turbine. Summary of the Invention

[0006] The purpose of this invention is to address the shortcomings of existing technologies by providing an adjustable temperature and pressure of the mixed lubricating oil between bearing bearing shells, thereby achieving safe and low-power operation of the bearing and obtaining an organic working fluid turbine adjustable support bearing system with optimal performance.

[0007] The technical objective of this invention is achieved through the following technical solution:

[0008] An adjustable support bearing system for an organic working fluid turbine includes a bearing assembly, a parameter monitoring unit, a lubrication adjustment unit, and a PLC control system. The bearing assembly includes a bearing shell, several bearing blocks disposed in the inner bore of the bearing shell, and oil retaining rings disposed on both sides of the bearing blocks, forming an oil groove between the bearing blocks. The parameter monitoring unit includes an inter-bearing temperature measuring assembly for monitoring the temperature of the lubricating oil in the oil groove, an inter-bearing pressure measuring assembly for monitoring the pressure of the lubricating oil in the oil groove, and an inter-bearing temperature measuring assembly for monitoring the temperature of the bearing blocks. The lubrication adjustment unit includes an oil pressure regulating valve for regulating the pressure of the lubricating oil supplied to the bearing, and a cooling water regulating valve for regulating the temperature of the lubricating oil. The PLC control system is signal-connected to the parameter monitoring unit and is used to receive temperature and pressure data. The PLC control system is also signal-connected to the lubrication adjustment unit and is used to control the opening of the oil pressure regulating valve and the cooling water regulating valve based on the feedback data from the parameter monitoring unit, thereby adjusting the pressure and temperature of the lubricating oil in the oil groove.

[0009] As a preferred embodiment of the above technical solution, oil temperature drainage holes and oil pressure drainage holes are provided on the bearing bodies on both sides of the oil groove.

[0010] Furthermore, the bearing body is provided axially along the oil groove with an inter-bearing temperature measuring component assembly mounting hole and an inter-bearing pressure measuring component assembly mounting hole, which are connected to the oil temperature drainage hole and the oil pressure drainage hole respectively; the inter-bearing temperature measuring component assembly and the inter-bearing pressure measuring component assembly are respectively installed in the inter-bearing temperature measuring component assembly mounting hole and the inter-bearing pressure measuring component assembly mounting hole, thereby sealing the oil temperature drainage hole and the oil pressure drainage hole.

[0011] Selectively, but preferably, when the temperature measuring assembly of the bearings reports that the bearing temperature is too high, and at the same time the pressure measuring assembly of the bearings reports that the pressure of the lubricating oil mixed in the oil groove between the bearings is low, the PLC control system sends a control signal to the oil pressure regulating valve to increase the opening of the oil pressure regulating valve, thereby increasing the pressure of the lubricating oil mixed in the oil groove between the bearings.

[0012] Selectively adopted, but preferably adopted, when the temperature measuring component assembly of the bearings reports that the bearing temperature is too high, and at the same time the temperature measuring component assembly between the bearings reports that the temperature of the lubricating oil mixed in the oil sump between the bearings is high, the PLC control system sends a control signal to the cooling water regulating valve to increase the opening of the cooling water regulating valve, thereby reducing the temperature of the lubricating oil mixed in the oil sump between the bearings.

[0013] Selectively, but preferably, when the temperature measuring assembly of the bearings reports that the bearing temperature is too low, and at the same time the pressure measuring assembly of the bearings reports that the pressure of the mixed lubricating oil in the bearing oil groove is high, the PLC control system sends a control signal to the oil pressure regulating valve to reduce the opening of the oil pressure regulating valve, thereby reducing the pressure of the mixed lubricating oil in the bearing oil groove.

[0014] Selectively, but preferably, when the temperature sensing assembly of the bearing is too low and the temperature sensing assembly between the bearings is also low, the PLC control system sends a control signal to the cooling water regulating valve to reduce the opening of the cooling water regulating valve, thereby increasing the temperature of the lubricating oil mixed in the oil sump between the bearings.

[0015] As described above, the present invention has at least the following advantages over the prior art:

[0016] 1. The bearing temperature measuring component assembly, bearing pressure measuring component assembly, and bearing temperature measuring component assembly of the present invention are connected to a PLC control system. At the same time, the PLC control system is connected to an oil pressure regulating valve and a cooling water regulating valve. The PLC control system controls the pressure and temperature of the cold oil entering the bearing through the control signals of the oil pressure regulating valve and the cooling water regulating valve, respectively, thereby adjusting the temperature and pressure of the mixed lubricating oil between the bearing bearings and realizing the adjustable and controllable operation of the bearing assembly.

[0017] 2. When the bearing temperature measurement assembly reports that the bearing temperature is too high, the PLC control system analyzes the real-time feedback data from the bearing pressure measurement assembly and the bearing temperature measurement assembly and makes a control decision. Then, it sends a control signal to increase the pressure of the lubricating oil mixed in the bearing oil groove or to decrease the temperature of the lubricating oil mixed in the bearing oil groove. Through closed-loop control, the bearing temperature of the bearing assembly is reduced, thereby reliably achieving the safe operation of the bearing assembly.

[0018] 3. When the bearing temperature measurement assembly reports that the bearing temperature is too low, the PLC control system analyzes the real-time feedback data from the bearing pressure measurement assembly and the bearing temperature measurement assembly and makes a control decision. Then, it sends a control signal to reduce the pressure of the lubricating oil mixture in the bearing oil groove or increase the temperature of the lubricating oil mixture in the bearing oil groove. Through closed-loop control, the bearing temperature of the bearing assembly is increased, thereby reliably achieving low-power operation of the bearing assembly. Attached Figure Description

[0019] Figure 1 A schematic diagram showing the connection between the bearing assembly and the parameter monitoring unit;

[0020] Figure 2 for Figure 1 A diagram of the other side;

[0021] Figure 3 This is a schematic diagram of the bearing block structure;

[0022] Figure 4 This is a partial view of the intermediate section of the bearing assembly.

[0023] Figure 5 for Figure 4 AA section view in the middle;

[0024] Figure 6This is a schematic diagram of the structure of the present invention;

[0025] Figure 7 This is a schematic diagram of the closed-loop control principle of the present invention;

[0026] Labels in the diagram: 1—bearing block, 1a—inner hole of bearing block, 1b—protruding ridge, 1c—pin bolt mounting hole, 1d—pin bolt, 1e—sealing ring, 1f—temperature measuring hole; 1g—oil outlet edge; 1h—oil inlet edge;

[0027] 2—Oil baffle ring, 2a—Wire hole, 2b—Oil baffle ring fastener, 2c—Oil seal tooth;

[0028] 3—Bearing shell body; 3a—Upper half of bearing shell body; 3b—Lower half of bearing shell body; 3c—Fastener; 3d—Oil groove; 3e—Oil inlet hole; 3f—Oil temperature drainage hole; 3g—Oil pressure drainage hole; 3h—Anti-rotation pin; 3j—Bearing shell mounting hole; 3k—Annular oil inlet groove; 3m—Inner bore of bearing shell body; 3n—Mounting hole for inter-bearing temperature measuring component assembly; 3p—Mounting hole for inter-bearing pressure measuring component assembly;

[0029] 4—Temperature Measuring Component Assembly;

[0030] 5—Inter-warp pressure testing component assembly;

[0031] 6—Inter-watt temperature sensing component assembly;

[0032] 7—Rotor journal;

[0033] 8a—oil tank, 8b—oil cooler, 8c—lubricating oil pump, 8d—filter, 8e—cooling water regulating valve, 8f—oil pressure regulating valve, 8g—oil pressure regulating valve control signal; 8h—cooling water regulating valve control signal;

[0034] A - Cooling water inlet, B - Cooling water outlet, C - Cold oil inlet, D - Hot oil outlet. Detailed Implementation

[0035] like Figures 1 to 7 As shown, an adjustable support bearing system for an organic working fluid turbine includes a bearing assembly, a parameter monitoring unit, a lubrication adjustment unit, and a PLC control system. The bearing assembly includes a bearing bush 1, an oil retaining ring 2, and a bearing bush body 3. The parameter monitoring unit includes a bearing temperature measuring assembly 4, a bearing pressure measuring assembly 5, and a bearing temperature measuring assembly 6. The bearing temperature measuring assembly 4 monitors the bearing bush temperature; the bearing pressure measuring assembly 5 monitors the lubricating oil pressure within the oil sump; and the bearing temperature measuring assembly 6 monitors the lubricating oil temperature within the oil sump.

[0036] like Figure 1 and Figure 2As shown, to meet installation requirements, the bearing body 3 is divided into an upper bearing body 3a and a lower bearing body 3b, which are connected as one unit by fasteners 3c. Anti-rotation pins 3h are provided to prevent the bearing body 3 from rotating. Several bearing blocks 1, evenly distributed circumferentially, are supported on the inner hole of the bearing body 3. The specific features of the bearing blocks 1 are as follows: Figure 3 As shown.

[0037] like Figure 3 and Figure 4 As shown, the bearing bush 1 is a tiltable bearing bush. The bearing bush 1 is supported on the inner hole 3m of the bearing body 3 by a protruding rib 1b on its back. The outer diameter of the protruding rib 1b is smaller than the inner diameter of the inner hole 3m of the bearing body, allowing the bearing bush 1 to swing freely around the protruding rib 1b. The inner hole 1a of the bearing bush 1 is filled with bearing alloy, and there is a clearance fit between the rotor journal 7 and the inner hole 1a of the bearing bush 1. The end face of the bearing bush 1 has a temperature measuring hole 1f for monitoring the bearing surface temperature. The temperature measuring hole 1f is circumferentially located between the oil outlet edge 1g and the protruding rib 1b of the bearing bush 1 and extends axially to the middle surface of the bearing bush 1. The back of the bearing bush 1 has a pin bolt mounting hole 1c. The bearing bush 1 is suspended on the bearing mounting hole 3j of the bearing body by a pin bolt 1d. The inner diameter of the bearing mounting hole 3j is larger than the outer diameter of the pin bolt 1d, allowing the bearing bush 1 to swing. To prevent oil leakage from the gap between the bearing mounting hole 3j and the pin bolt 1d, a sealing ring 1e is installed between them.

[0038] Furthermore, the bearing block temperature measuring hole 1f is connected to the bearing temperature measuring component assembly 4. In order to lead the wire of the bearing temperature measuring component assembly 4 out of the oil baffle ring 2, the oil baffle ring 2 is provided with a wire hole 2a.

[0039] The lubrication regulating unit includes an oil pressure regulating valve 8f for regulating the pressure of the lubricating oil supplied to the bearing and a cooling water regulating valve 8e for regulating the temperature of the lubricating oil.

[0040] like Figure 4 As shown, an oil groove 3d is formed between two adjacent bearing blocks 1. The oil inlet hole 3e is connected to the annular oil inlet groove 3k on the bearing body. Cold oil from the lubrication adjustment unit enters the oil groove 3d through the oil inlet hole 3e. Hot oil from the upstream bearing block enters the oil groove 3d through the oil outlet edge 1g and mixes with the cold oil from the oil inlet hole 3e. The mixed lubricating oil enters the downstream bearing block through the oil inlet edge 1h to achieve lubrication.

[0041] like Figure 5 As shown, since the lubricating oil mixed in the oil groove 3d is under pressure, oil retaining rings 2 are provided on both sides of the oil groove to suppress axial leakage of lubricating oil. The oil retaining rings 2 are fixed to the bearing body 3 by oil retaining ring fasteners 2b. The inner hole of the oil retaining rings 2 is provided with oil sealing teeth 2c, which suppresses the leakage of lubricating oil along the end face of the oil groove 3d, thereby maintaining a suitable lubricating oil pressure in the oil groove.

[0042] Crucially, the bearing bodies 3 on both sides of the oil groove 3d are provided with oil temperature drainage holes 3f and oil pressure drainage holes 3g. Along the axial direction, the bearing bodies 3, corresponding to the oil groove 3d, are also provided with mounting holes 3n for the inter-bearing temperature measuring component assembly and 3p for the inter-bearing pressure measuring component assembly, which are connected to the oil temperature drainage holes 3f and the oil pressure drainage holes 3g.

[0043] The oil temperature drain hole 3f and the oil pressure drain hole 3g lead the mixed lubricating oil in the oil tank 3d to the inter-tile temperature measuring component assembly mounting hole 3n and the inter-tile pressure measuring component assembly mounting hole 3p, respectively. The inter-tile temperature measuring component assembly 6 and the inter-tile pressure measuring component assembly 5 are respectively installed in the inter-tile temperature measuring component assembly mounting hole 3n and the inter-tile pressure measuring component assembly mounting hole 3p, and the oil temperature drain hole 3f and the oil pressure drain hole 3g are sealed.

[0044] Furthermore, the temperature measuring component assembly 6 and the pressure measuring component assembly 5 between the bearing and the bearing can provide real-time feedback on the temperature and pressure parameters of the mixed lubricating oil in the oil groove between the bearing and the bearing, thereby preventing the temperature of the bearing assembly from being too high or the pressure from being too low, and preventing the frictional power consumption of the bearing assembly from being too high.

[0045] Further, see Figure 6 The oil tank 8a, lubricating oil pump 8c, filter 8d, oil cooler 8b, oil pressure regulating valve 8f, and bearing assembly are connected in sequence through pipelines to form a closed loop. The oil cooler 8b is also connected to a cooling water pipeline, and a cooling water regulating valve 8e is provided on the cooling water inlet A side of the cooling water pipeline.

[0046] In actual use, the bearing assembly is supplied with oil through the cold oil inlet C. After flowing through the bearing assembly, the lubricating oil temperature rises and returns to the oil tank 8a through the hot oil outlet D. The lubricating oil pump 8c in the oil tank 8a is used to increase the lubricating oil pressure, and then the oil enters the oil cooler 8b through the filter 8d. The cooling water of the oil cooler 8b enters through the cooling water inlet A and exits through the cooling water outlet B, thereby cooling the hot oil from the filter 8d. The cold oil pressure at the outlet of the oil cooler 8b is regulated and controlled by the oil pressure regulating valve 8f.

[0047] Crucially, the bearing temperature measuring assembly 4, the bearing pressure measuring assembly 5, and the bearing temperature measuring assembly 6 are respectively connected to the PLC control system. At the same time, the PLC control system is connected to the oil pressure regulating valve 8f and the cooling water regulating valve 8e. The PLC control system controls the pressure and temperature of the cold oil entering the bearing through the oil pressure regulating valve control signal 8g and the cooling water regulating valve control signal 8h, respectively. This allows for the adjustment of the temperature and pressure of the mixed lubricating oil between the bearing bearings, thus achieving adjustable and controllable operation of the bearing assembly.

[0048] Key point, see Figure 7 The closed-loop control and working principle of this invention:

[0049] The bearing temperature parameter serves as the control target for the safe and low-power operation of the bearing assembly. The bearing temperature measuring component assembly 4 feeds back the bearing temperature data to the PLC control system. At the same time, the inter-bearing temperature measuring component assembly 6 and the inter-bearing pressure measuring component assembly 5 feed back the temperature and pressure of the mixed lubricating oil in the inter-bearing oil groove to the PLC control system. The PLC control system makes control decisions based on the control target and then sends control signals to adjust the opening of the oil pressure regulating valve 8f and the cooling water regulating valve 8e to regulate and control the temperature and pressure of the cold oil supplied to the inter-bearing oil groove. This changes the temperature and pressure of the mixed lubricating oil in the inter-bearing oil groove, thus reliably achieving the safe and low-power operation of the bearing assembly.

[0050] In practical implementation, when the bearing temperature measuring assembly 4 reports that the bearing temperature is too high, the PLC control system analyzes the real-time feedback data of the bearing pressure measuring assembly 5 and the bearing temperature measuring assembly 6 and makes a control decision. Then, it sends a control signal to increase the pressure of the lubricating oil mixed in the bearing oil groove or to decrease the temperature of the lubricating oil mixed in the bearing oil groove. Through closed-loop control, the bearing temperature of the bearing assembly is reduced, thereby reliably achieving the safe operation of the bearing assembly.

[0051] For example, when the pressure of the mixed lubricating oil in the inter-bearing oil groove is low, the PLC control system sends a control signal 8g to the oil pressure regulating valve to increase the opening of the oil pressure regulating valve 8f, thereby increasing the pressure of the mixed lubricating oil in the inter-bearing oil groove.

[0052] For example: When the temperature of the lubricating oil mixed in the oil groove between the bearings is high, the temperature of the temperature sensing component assembly 6 between the bearings is reported.

[0053] The PLC control system sends a control signal 8h to the cooling water regulating valve to increase the opening of the cooling water regulating valve 8e, thereby reducing the temperature of the lubricating oil mixed in the oil sump between the bearings.

[0054] In practical implementation, when the bearing temperature measuring assembly 4 reports that the bearing temperature is too low, the PLC control system analyzes the real-time feedback data of the bearing pressure measuring assembly 5 and the bearing temperature measuring assembly 6 and makes a control decision. Then, it sends a control signal to reduce the pressure of the lubricating oil mixed in the bearing oil groove or to increase the temperature of the lubricating oil mixed in the bearing oil groove. Through closed-loop control, the bearing temperature of the bearing assembly is increased, thereby reliably achieving low-power operation of the bearing assembly.

[0055] For example, when the pressure of the mixed lubricating oil in the inter-bearing oil groove is high, the PLC control system sends a control signal 8g to the oil pressure regulating valve to reduce the opening of the oil pressure regulating valve 8f, thereby reducing the pressure of the mixed lubricating oil in the inter-bearing oil groove.

[0056] For example: When the temperature of the lubricating oil mixed in the oil groove between the bearings is low, the temperature of the temperature sensing component assembly 6 between the bearings is fed back.

[0057] The PLC control system sends a control signal 8h to the cooling water regulating valve to reduce the opening of the cooling water regulating valve 8e, thereby increasing the temperature of the lubricating oil mixed in the oil sump between the bearings.

[0058] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Based on the technical essence of the present invention, any simple modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principles of the present invention shall still fall within the protection scope of the present invention.

Claims

1. An organic working fluid turbine adjustable support bearing system, characterized by, Includes bearing assemblies, parameter monitoring units, lubrication adjustment units, and PLC control systems; The bearing assembly includes a bearing body (3), a plurality of bearing blocks (1) evenly distributed circumferentially on the inner bore (3m) of the bearing body, and oil retaining rings (2) disposed on both sides of the bearing blocks (1), with an oil groove (3d) formed between the bearing blocks (1). The parameter monitoring unit includes a bearing temperature measuring component assembly (6) for monitoring the temperature of the lubricating oil in the oil tank (3d), a bearing pressure measuring component assembly (5) for monitoring the pressure of the lubricating oil in the oil tank (3d), and a bearing temperature measuring component assembly (4) for monitoring the temperature of the bearing block (1). The lubrication regulating unit includes an oil pressure regulating valve (8f) for regulating the pressure of the lubricating oil supplied to the bearing, and a cooling water regulating valve (8e) for regulating the temperature of the lubricating oil. The PLC control system is connected to the parameter monitoring unit for receiving temperature and pressure data; the PLC control system is also connected to the lubrication adjustment unit for controlling the opening of the oil pressure regulating valve (8f) and the cooling water regulating valve (8e) according to the feedback data from the parameter monitoring unit, thereby adjusting the pressure and temperature of the lubricating oil in the oil tank (3d).

2. The adjustable support bearing system for an organic working fluid turbine according to claim 1, characterized in that: Oil temperature drainage hole (3f) and oil pressure drainage hole (3g) are provided on the bearing body (3) on both sides of the oil groove (3d).

3. The adjustable support bearing system for an organic working fluid turbine according to claim 2, characterized in that: The bearing body (3) is also provided with an inter-bearing temperature measuring component assembly mounting hole (3n) and an inter-bearing pressure measuring component assembly mounting hole (3p) along the axial direction and corresponding to the oil groove (3d), which are connected to the oil temperature drainage hole (3f) and the oil pressure drainage hole (3g); the inter-bearing temperature measuring component assembly (6) and the inter-bearing pressure measuring component assembly (5) are respectively installed in the inter-bearing temperature measuring component assembly mounting hole (3n) and the inter-bearing pressure measuring component assembly mounting hole (3p), and the oil temperature drainage hole (3f) and the oil pressure drainage hole (3g) are sealed.

4. The adjustable support bearing system for an organic working fluid turbine according to claim 1, characterized in that: When the temperature measuring component assembly (4) reports that the temperature of the bearing is too high, and at the same time the pressure measuring component assembly (5) reports that the pressure of the mixed lubricating oil in the oil groove between the bearings is low, the PLC control system sends an oil pressure regulating valve control signal (8g) to increase the opening of the oil pressure regulating valve (8f), thereby increasing the pressure of the mixed lubricating oil in the oil groove between the bearings.

5. The adjustable support bearing system for an organic working fluid turbine according to claim 1, characterized in that: When the temperature measuring component assembly (4) reports that the temperature of the tile is too high, and at the same time the temperature measuring component assembly (6) reports that the temperature of the mixed lubricating oil in the inter-tile oil sump is high, the PLC control system sends a cooling water regulating valve control signal (8h) to increase the opening of the cooling water regulating valve (8e), thereby reducing the temperature of the mixed lubricating oil in the inter-tile oil sump.

6. The adjustable support bearing system for an organic working fluid turbine according to claim 1, characterized in that: When the temperature measuring component assembly (4) reports that the temperature of the bearing is too low, and at the same time the pressure measuring component assembly (5) reports that the pressure of the mixed lubricating oil in the oil groove between the bearings is high, the PLC control system sends an oil pressure regulating valve control signal (8g) to reduce the opening of the oil pressure regulating valve (8f), thereby reducing the pressure of the mixed lubricating oil in the oil groove between the bearings.

7. The adjustable support bearing system for an organic working fluid turbine according to claim 1, characterized in that: When the temperature measuring component assembly (4) reports that the temperature of the tile is too low, and at the same time the temperature measuring component assembly (6) reports that the temperature of the lubricating oil mixed in the oil tank between the tiles is low, the PLC control system sends a cooling water regulating valve control signal (8h) to reduce the opening of the cooling water regulating valve (8e), thereby increasing the temperature of the lubricating oil mixed in the oil tank between the tiles.

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