CN207961037U - A kind of lubricating system of turbo compressor unit - Google Patents

Abstract

The utility model provides a lubricating system for a turbine compressor unit, which includes a lubricating component and an oil circuit of the compressor unit. The oil circuit of the compressor unit includes a control oil circuit and a lubricating oil circuit. device, filtering device 1, decompression device, driving device 2, filtering device 2 and the first oil circuit, and driving device 1 includes a motor pump set and a steam turbine pump set. This system adopts the way that the motor pump set and steam turbine pump set are arranged side by side. When the compressor unit starts, the motor pump unit starts first. After the compressor works normally, the motor pump unit is switched to the steam turbine pump unit as the main oil pump for oil supply, which reduces the power consumption of the lubrication system. At the same time, the gas source of the steam turbine pump unit is to drive the compressor. The waste and exhaust steam of the main steam turbine unit does not increase the steam consumption of the compressor unit during normal operation, which further reduces the operating cost of the entire compressor unit and reduces the operating cost of the enterprise.

Description

A lubricating system for a turbocompressor unit

technical field

The utility model relates to the technical field of a turbocompressor unit, in particular to a lubricating system for a turbocompressor unit.

Background technique

A compressor is a driven fluid machine that lifts low-pressure gas into high-pressure gas. The compressor unit includes not only the body of the compressor, but also the drive system, lubrication system, sealing system, and cooling system. In recent years, due to the development of the chemical industry and the establishment of various large-scale chemical plants and oil refineries, the compressor unit has become a key machine for compressing and transporting various gases in chemical production, and occupies an extremely important position. The process is to compress and transport the gas, so the requirements for the auxiliary system such as lubrication system, sealing system and cooling system are relatively high, especially the lubrication system in the compressor. Lubrication can not only reduce the friction and wear of the machine, but also It plays the role of sealing, cooling and reducing running noise. Good lubrication conditions are an important guarantee for the long-term reliable operation of the compressor, especially for turbocompressor units. With certain pressure requirements, if the lubricating oil pressure of the lubrication system fluctuates, it is easy to cause friction between the bearing and the shaft diameter, resulting in accidents such as grinding tiles; for example, the patent "CN205025809U" discloses a turbine compressor unit. The new lubricating oil system is characterized in that the base is a square ring made of multiple load-bearing I-beams and multiple cover plates, the oil tank is fixed inside the base, and the oil system is installed on the upper surface of the base; On the load-bearing I-beam on the surface, there are fan support seats, gearbox support seats and motor support seats. It is a skid-mounted installation method with a compact structure; the patent "CN205025809U" discloses a new type of lubricating oil system for turbocompressor units, which is characterized in that: the three-screw pump is end-in and top-out type, and the oil is fed from the end face of the three-screw pump , the oil comes out from the upper end of the three-screw pump, which saves space in the layout of the lubricating oil station, and the whole layout is compact; the left and right side plates of the fuel tank are reinforced with "work" type, so that the wall of the fuel tank can get the optimal wall thickness; the branch oil return module is mainly composed of cut-off Valve, ball valve, pressure regulating valve, etc. are connected to the outlet of the three-screw pump and the side wall of the oil tank: the lubricating oil supply module includes a stop valve, ball valve, pressure regulating valve, etc., and are connected to the outlet of the double oil filter. This patent establishes There are two modules, the branch oil return module and the lubricating oil supply module. When users have special requirements, they only need to replace or change the basic module to realize the design, reduce the design response time, and have high universal interchangeability and convenient detection and replacement. Advantages; because the turbocompressor unit is generally a large compressor system, coupled with the power consumption of the compressor auxiliary equipment, the operation and maintenance costs of the compressor are relatively high, and the burden on the enterprise is relatively heavy. The traditional turbocompressor lubrication system The main driving device usually uses the motor as the driving source, and the lubrication system needs to continue to work with the turbocompressor unit. The annual operating cost is more than one million yuan, which is relatively high, and the operating cost of the enterprise is relatively heavy.

Contents of the invention

In order to overcome the following problems in the prior art, the main drive device of the traditional turbo compressor lubrication system usually uses a motor as the driving source. The annual operating cost of the lubrication system is millions of yuan, and the operating cost is relatively high. The operating cost of the enterprise, the utility model provides a lubricating system for a turbocompressor unit, including a lubricating component and a compressor unit oil circuit, characterized in that: the compressor unit oil circuit includes a control oil circuit and a lubricating oil circuit, and the The lubricating part includes a fuel tank part, a driving device 1, a cooling device, a filtering device 1, a decompression device, a driving device 2, a filtering device 2 and a first oil circuit, the inlet of the driving device 1 is connected to the outlet of the fuel tank part, and the driving device 1 is connected to the outlet of the fuel tank part. The outlet of device one is connected to the inlet of the cooling device, the outlet of the cooling device is connected to the inlet of the filter device one, the outlet of the filter device one is connected to the inlet of the decompression device, and the outlet of the decompression device is connected to the inlet of the lubricating oil circuit , the outlet of the lubricating oil circuit is connected to the oil return port of the oil tank part, the inlet of the driving device two is connected to the outlet of the oil tank part, the outlet of the driving device two is connected to the inlet of the filter device two, and the outlet of the filter device two Connect the inlet of the lubricating oil circuit, the inlet of the first oil circuit is connected to the inlet of the decompression device, the outlet of the first oil circuit is connected to the inlet of the control oil circuit, and the outlet of the control oil circuit is connected to the oil return of the oil tank part The drive device one includes a motor pump set and a steam turbine pump set, the motor pump set and the steam turbine pump set are connected in parallel, the motor pump set includes a motor one and a screw pump one, and the steam turbine pump set includes an air source assembly, an oil pump steam turbine and screw pump two, the air source component is the main steam turbine driving the compressor.

On this basis, the lubricating part also includes a pressure control part, the pressure control part is located behind the filter device one, and the pressure control part includes a control part and a pressure transmitter assembly, and the pressure transmitter assembly and the control part Connection, the control part is connected with the motor pump set of the drive device one, when the pressure transmitter component detects that the pressure reaches the set value, the control part controls the motor pump set of the drive device one to start.

On this basis, the pressure transmitter assembly is three pressure transmitters, and the three pressure transmitters are arranged in parallel, and the pressure values detected by any two pressure transmitters reach the set value, and the pressure transmission The regulator assembly assumes that the system pressure has reached the set point.

On this basis, the lubricating part further includes a first one-way valve and a second one-way valve, the first one-way valve is located between the decompression device and the first oil circuit, and the second one-way valve is located After the filter device two, prevent the drive device one and the drive device two from interfering with each other when they work alone.

On this basis, the lubricating part also includes an overflow valve and a second oil circuit, the overflow valve is located behind the drive device one, and the overflow valve is an externally controlled overflow valve for control oil, including an oil inlet, An oil outlet and a control oil port, the inlet of the overflow valve is connected to the outlet of the drive device 1, the outlet of the overflow valve is connected to the oil return port of the oil tank part, the control oil port of the overflow valve is connected to the second oil The outlet of the second oil circuit is connected to the outlet of the second oil circuit, the inlet of the second oil circuit is connected to the oil outlet of the filter device one, and the overflow valve is used to control the system pressure after the filter device one.

On this basis, the second oil circuit further includes a one-way throttle valve, and the one-way throttle valve throttles the oil entering the relief valve, so that the relief valve opens slowly and closes quickly.

On this basis, the lubricating part also includes an accumulator, and the accumulator is located between the first one-way valve and the decompression device to ensure pressure.

On this basis, the lubricating part also includes a temperature control valve and a third oil circuit, the temperature control valve is located between the cooling device and the filter device 1, and the temperature control valve includes two oil inlets and an oil outlet One oil inlet of the temperature control valve is connected with the outlet of the cooling device, the outlet of the temperature control valve is connected with the filter device one, and the other oil inlet of the temperature control valve is connected with the outlet of the third oil circuit connected, and the inlet of the third oil passage is connected with the inlet of the cooling device.

On this basis, the lubricating parts also include safety valve 1, safety valve 2, safety valve 3 and safety valve 4, the safety valve 1 is located after the motor pump set, and the safety valve 2 is located after the steam turbine pump set, so The safety valve 3 is located behind the driving device 2, and the safety valve 4 is located after the decompression device, so as to ensure the safety of the oil pipelines in various parts.

On this basis, the oil tank components include a self-sealing oil tank, an oil mist fan, a heating device and an oil purifier, the heating device is located inside the self-sealing oil tank, and the oil mist fan and oil purifier are located in the self-sealing oil tank External, connected to self-closing tank.

Compared with the prior art, the beneficial effects of the utility model are:

1. The driving device of this lubrication system adopts the mode that the motor pump unit and the steam turbine pump unit are arranged side by side. When the compressor unit starts, the motor pump unit first starts to supply oil for the oil circuit of the compressor unit. After the compressor works normally, the motor pump unit is switched to the steam turbine unit. The pump set is used as the main oil pump to supply oil, and the motor pump set stops working, which reduces the power consumption of the lubrication system and saves operating costs. At the same time, because the operating pressure of the oil pump and steam turbine of the steam turbine pump set is relatively low, the air source is the main steam turbine that drives the compressor. The waste exhaust steam of the main steam turbine unit is reused, which does not increase the steam consumption of the compressor unit during normal operation, further reduces the operating cost of the entire compressor unit, and reduces the operating cost of the enterprise.

2. The linkage between the pressure control part and the drive device-motor pump unit is used to ensure the pressure stability of the oil circuit of the compressor unit. When the pressure control part detects that the system pressure is lower than the set value, the motor pump unit is controlled to start quickly to replenish the system oil , to avoid too low oil pressure in the lubricating system due to the low exhaust pressure of the main steam turbine, and ensure the stability of the oil pressure.

3. Set a one-way throttle valve in the second oil circuit of the control oil circuit of the overflow valve to throttle the oil flowing to the overflow valve in the second oil circuit, so that the overflow valve opens slowly and closes quickly to avoid The overflow function of the overflow valve has a greater impact on the oil pressure of the main circuit, ensuring the stable operation of the system.

4. The accumulator is used to ensure the oil pressure in the lubricating oil circuit when the motor pump unit and the steam turbine pump unit are switched, so as to avoid the shutdown of the steam turbine and compressor unit due to the low oil pressure in the lubricating oil circuit during switching, and ensure the system Stable operation.

Description of drawings

Fig. 1 is the schematic diagram of the principle of the utility model embodiment;

Fig. 2 is a schematic structural view of the lubricating part of the utility model embodiment;

Among the figures: 1. lubricating parts, 11. oil tank parts, 111. self-sealing oil tank, 112. oil mist blower, 113. heating device, 114. oil purifier, 12. driving device one, 121. motor pump group, 122. Steam turbine pump set, 13, cooling device, 14, filter device one, 141, pressure control component, 1411, control component, 1412, pressure transmitter assembly, 142, first check valve, 143, second check valve, 15. Decompression device, 16. Drive device two, 17. Filter device two, 18. First oil circuit, 191. Relief valve, 192. Second oil circuit, 193. One-way throttle valve, 194. Energy storage Device, 195, temperature control valve, 196, third oil circuit, 1971, safety valve one, 1972, safety valve two, 1973, safety valve three, 1974, safety valve four, 2, compressor unit oil circuit, 21, control oil Road, 22, lubricating oil road

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Fig. 1-Fig. 2, the utility model schematically shows a lubricating system of a turbocompressor unit.

The utility model discloses a lubrication system of a turbocompressor unit, as shown in Figure 1 and Figure 2, comprising a lubricating part 1 and a compressor unit oil circuit 2, the lubricating part 1 is connected to the compressor unit oil circuit 2, and the lubricating part 1 is compressed The oil circuit 2 of the unit provides oil with a certain pressure. The oil circuit 2 of the compressor unit includes a control oil circuit 21 and a lubricating oil circuit 22. The control oil circuit 21 and the lubricating oil circuit 22 are arranged side by side. The control oil circuit 21 is mainly used to drive the compressor. Running main steam turbine, lubricating oil passage 22 is mainly used for the lubrication of compressor and steam turbine; As shown in Figure 1, lubricating part 1 comprises oil tank part 11, driving device-12, cooling device 13, filtering device-14, decompression device 15. Driving device two 16, filtering device two 17 and first oil circuit 18, the inlet of driving device one 12 is connected to the outlet of oil tank part 11, the outlet of driving device one 12 is connected to the inlet of cooling device 13, and the outlet of cooling device 13 is connected to The inlet of filter device one 14, the outlet of filter device one 14 is connected to the inlet of decompression device 15, the outlet of decompression device 15 is connected to the inlet of lubricating oil passage 22, and the outlet of lubricating oil passage 22 is connected to the oil return port of oil tank part 11, The inlet of the drive device 2 16 is connected to the outlet of the oil tank part 11, the outlet of the drive device 2 16 is connected to the inlet of the filter device 2 17, the outlet of the filter device 2 17 is connected to the inlet of the lubricating oil circuit 22, and the inlet of the first oil circuit 18 is connected to the filter The outlet of the device one 14, the outlet of the first oil circuit 18 is connected to the inlet of the control oil circuit 21, the oil circuit composed of the drive device one 12, the cooling device 13, the filter device one 14 and the decompression device 15 and the drive device two 16 and filter The circuit composed of device 2 17 is set in parallel. When the lubrication system is working normally, the driving device 12, the cooling device 13, the filtering device 14 and the decompression device 15 are working, and the oil flows in two paths, and one way of oil passes through the driving device 12. The cooling device 13 and the filter device 14 enter the decompression device 15, and the decompressed oil enters the lubricating oil circuit 22 to lubricate the compressor unit and the main steam turbine unit. The pressure of this oil is 0.24MPa, and the other The oil flows out from the filter device 14 into the first oil circuit 18 to control the main steam turbine that drives the compressor. The pressure of the oil in this circuit is 1.55MPa; The power failure fails, and the driving device 16 and the filtering device 17 start to work. At this time, due to the emergency, it is only necessary to ensure the normal operation of the compressor unit and the steam turbine unit. At this time, the oil passes through the driving device 16 and the filtering device 17 Directly enter the lubricating oil circuit 22 to lubricate the compressor unit and the main steam turbine unit to ensure the normal idling shutdown of the compressor unit and the main steam turbine unit, thereby ensuring the normal operation and emergency shutdown of the compressor unit and steam turbine unit; 12 comprises motor pump group 121 and steam turbine pump group 122, and motor pump group 121 and steam turbine pump group 122 are connected in parallel, and motor pump group 121 is the auxiliary pump group of driving device-12, and steam turbine pump group 122 is driving device-12 When the driving device 12 works normally, the steam turbine pump set 122 works, and the motor pump set 121 stops. When the system pressure is lower than the set value, the motor pump set 121 starts to provide oil with a certain pressure to the system. The steam turbine pump set is used as the main pump set of the driving device 12, which can reduce the power consumption of the lubricating part 1. At the same time, the motor pump set 121 is used as the standby pump set, which can start quickly and ensure that the steam pressure of the steam turbine pump set is insufficient. When the system pressure is low, quickly replenish the system pressure to avoid the friction between the bearing and the shaft diameter caused by too low system pressure, causing accidents such as grinding tiles, and affecting the safe operation of the entire unit; the motor pump set 121 includes a motor one and a screw pump one, The motor drives the screw pump 1 to run, and the steam turbine pump unit 122 includes an air source assembly, an oil pump turbine and a screw pump 2. The air source provided by the air source assembly drives the oil pump turbine to rotate, and the oil pump turbine drives the screw pump 2 to rotate. The air source assembly drives the compressor The main steam turbine, the gas source is the waste exhaust steam of the main steam turbine driving the compressor. The steam pressure of the main steam turbine is relatively high, while the pressure of the oil pump turbine is relatively low. Using the waste exhaust steam of the main steam turbine to drive the oil pump steam turbine does not increase the compressor unit The steam consumption during normal operation further reduces the operating cost of the turbocompressor unit; the cooling device 13 cools the oil in the system, and the cooling device 13 is two tube coolers, and the two tube coolers are arranged in parallel. One for standby and one for use; filter device one 14 is a tubular filter, which filters the impurities in the oil to prevent the impurities in the oil from damaging the lubricating parts. The filter device one 14 is two tubular filters, and the two filters Parallel connection, one for standby and one for use, the decompression device 15 decompresses the oil in the system to reduce the pressure of the oil to 0.24MPa to meet the lubrication requirements, the driving device 2 16 is a non-stop motor pump set, including power components, motors Second and screw pump three, the power supply component is an emergency backup power supply without power failure, which can be quickly started in the event of a power failure. The filter device two 17 is a tubular filter. When the power failure of the whole machine occurs, the drive device two 16 starts quickly. , the driving oil enters the lubricating oil circuit 22 through the filter device 2 17 to lubricate the steam turbine and the compressor.

As a preferred option of the embodiment, the lubricating part 1 also includes a pressure control part 141, the pressure control part 141 is located behind the filter device one 14, and is used to control the pressure of the entire system, and the pressure control part 141 includes a control part 1411 and a pressure transmitter Assembly 1412, the pressure transmitter assembly 1412 is connected to the control unit 1411, the control unit 1411 is connected to the motor pump unit 121 of the driving device 12, the pressure transmitter assembly 1412 includes three pressure transmitters, the three pressure transmitters Parallel connection, if the pressure detected by any two pressure transmitters reaches the set value, the pressure transmitter component 1412 will confirm that the pressure reaches the set value, so as to avoid false detection of a single pressure transmitter and affect the stability of the entire system , when the pressure transmitter component 1412 detects that the pressure reaches the set value, the control unit 1411 controls the motor pump unit of the drive device 12 to start, and the motor pump unit starts within 4S to replenish the hydraulic oil with a certain pressure for the system, avoiding due to The low exhaust pressure of the main steam turbine causes the oil pressure of the lubricating device to be too low to ensure the stability of the oil pressure.

As a preferred option of the embodiment, the lubricating component 1 also includes a first one-way valve 142 and a second one-way valve 143. The first one-way valve 142 is located between the decompression device 15 and the first oil passage 18, so that the oil only It can flow in one direction from the driving device 12 to the lubricating oil passage 22, so as to prevent the oil from flowing back into the oil tank 11 through the driving device 12 when the driving device 16 is working. The second one-way valve 143 is located behind the filtering device 17 to make the oil The liquid can only flow in one direction from the driving device 16 to the lubricating oil passage 22, so as to prevent the oil from flowing back into the oil tank 11 through the driving device 16 when the driving device 12 is working, so as to ensure the normal operation of the driving device 12 and the driving device 2 16 .

As a preferred option of the embodiment, the lubricating part 1 also includes a relief valve 191 and a second oil passage 192, the relief valve 191 is an externally controlled relief valve for control oil, including an oil inlet, an oil outlet and a control oil port, the overflow The inlet of the flow valve 191 is connected to the outlet of the driving device 12, the outlet of the overflow valve 191 is connected to the oil return port of the oil tank part 11, and the control oil port of the overflow valve 191 is connected to the outlet of the second oil circuit 192, and the second oil circuit The inlet of 192 is connected with the oil outlet of filter device 14, and the second oil circuit 192 introduces the oil in the system into the overflow valve 191, so that the overflow valve 191 controls the system pressure behind filter device 14, when filtering When the system pressure behind device one 14 is greater than the set value, the overflow valve 191 is opened, and the oil returns to the oil tank part 11 through the overflow valve 191, thereby reducing the system pressure behind filter device one 14 to meet the system demand. The opening pressure of the overflow valve 191 is 1.55MPa.

As a preferred option of the embodiment, the second oil circuit 192 also includes a one-way throttle valve 193, and the one-way throttle valve 193 throttles the oil entering the overflow valve 191, so that the overflow valve 191 is opened slowly and rapidly. Closed to reduce the impact of the overflow valve 191 opening on the system pressure, and prevent the overflow valve 191 from affecting the stable operation of the system.

As a preferred item of the embodiment, the lubricating component 1 also includes an accumulator 194, the accumulator 194 is located between the second one-way valve 143 and the decompression device 15, the accumulator 194 is a bladder accumulator, and its volume is The total flow of the lubricating device 1 in 4 seconds, when the motor pump unit 121 and the steam turbine pump unit 122 in the drive unit 12 switch to start, the pressure in the system will change, and the oil in the accumulator 194 will Under the action of the air bag, it will flow out of the accumulator 194 to replenish and enter the lubricating oil passage 22 to ensure that the pressure in the lubricating oil passage 22 is higher than 0.15 MPa, so as to avoid the shutdown of the compressor and steam turbine due to the low pressure in the lubricating oil passage 22, affecting normal operation of the system.

As a preferred item of the embodiment, the lubricating part 1 also includes a temperature control valve 195 and a third oil passage 196. The temperature control valve 195 is located between the cooling device 13 and the filter device one 14. The temperature control valve 195 is an automatic control valve according to the temperature. The temperature control valve 195 includes two oil inlets and one oil outlet, one oil inlet of the temperature control valve 195 is connected with the outlet of the cooling device 13, and the outlet of the temperature control valve 195 is connected with the filter device one 14, the first The inlet of the third oil circuit 196 is connected to the inlet of the cooling device 13, and the outlet of the third oil circuit 13 is connected to another oil inlet of the temperature control valve. The cold oil cooled by the device 13 is mixed according to a certain ratio, and then the oil at a certain temperature is obtained, so as to ensure that the temperature of the oil in the system meets the system requirements.

As a preferred item of the embodiment, the lubricating component 1 also includes a safety valve one 1971, a safety valve two 1972, a safety valve three 1973 and a safety valve four 1974, the safety valve one 1971 is located behind the motor pump unit 121, and the safety valve two 1972 is located at the steam turbine Behind the pump group 122, the safety valve 3 1973 is located between the drive device 2 16 and the filter device 2 17, the safety valve 4 1974 is located between the decompression device 15 and the lubricating oil circuit 22, the safety valve 1 1971, the safety valve 2 1972, The oil return ends of safety valve three 1973 and safety valve four 1974 are connected to the oil tank 11. When the pressure of each part reaches the set value of the safety valve, the safety valve will automatically open, and the oil will return to the oil tank 11 from the safety valve, thus ensuring that all The safety of the part oil pipeline.

As a preferred item of the embodiment, the oil tank part 11 includes a self-sealing oil tank 111, an oil mist blower 112, a heating device 113 and an oil purifier 114, and the heating device 113 is located inside the self-sealing oil tank 111, and the oil in the self-sealing oil tank 111 Heating is carried out to avoid that the oil in the self-sealing oil tank 111 is too low in extreme weather, so that the whole machine cannot be started. The oil mist fan 112 is located outside the self-sealing oil tank 111. Connected, the oil mist in the self-enclosed oil tank 111 is pumped away and filtered to ensure the environmental protection of the oil tank, and cooperate with the self-enclosed oil tank 111 to generate a slight negative pressure in the self-enclosed oil tank 111, thereby facilitating the oil return of the self-enclosed oil tank 111, The oil purifier 114 is connected with the bottom of the self-sealing oil tank 111, and filters the oil in the self-sealing oil tank 111, thereby ensuring the cleanliness of the oil in the self-sealing oil tank 111, reducing the number of oil replacements and reducing maintenance costs.

The driving device of this lubrication system adopts the way that the motor pump unit and the steam turbine pump unit are arranged side by side. When the compressor unit is started, the motor pump unit starts first to supply oil to the oil circuit of the compressor unit. After the compressor works normally, the motor pump unit is switched to the steam turbine pump unit. As the main oil pump for oil supply, the motor pump unit stops working, which reduces the power consumption of the lubrication system and saves operating costs. At the same time, because the operating pressure of the oil pump and steam turbine of the steam turbine pump unit is relatively low, the air source is the main steam turbine unit that drives the compressor. Waste and exhaust steam, the waste and exhaust steam of the main steam turbine unit is reused, which does not increase the steam consumption of the compressor unit during normal operation, further reduces the operating cost of the entire compressor unit, and reduces the operating cost of the enterprise.

The above description shows and describes the preferred embodiments of the present utility model. As mentioned above, it should be understood that the present utility model is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various Various other combinations, modifications, and environments can be made within the scope of the inventive concept described herein, by the above teachings or by skill or knowledge in the relevant field. However, changes and changes made by those skilled in the art do not depart from the spirit and scope of the utility model, and should all be within the protection scope of the appended claims of the utility model.

Claims (10)

1. a kind of lubricating system of turbo compressor unit, including lubricating component and compressor set oil circuit, it is characterised in that：The pressure Contracting unit oil circuit includes control oil circuit and lubricant passage way, and the lubricating component includes oil tank module, driving device one, cooling dress It sets, filter device one, decompressor, driving device two, filter device two and the first oil circuit, the import of the driving device one connects The outlet of connected tank component, the import of the outlet connection cooling device of the driving device one, the outlet of the cooling device connects Connect the import of filter device one, the import of the outlet connection decompressor of the filter device one, the outlet of the decompressor Connect lubricant passage way import, the lubricant passage way outlet connection oil tank module oil return opening, the driving device two into The outlet of mouth connection oil tank module, the import of the outlet connection filter device two of the driving device two, the filter device two Outlet connection lubricant passage way import, first oil circuit import connection decompressor import, first oil circuit The import of outlet connection control oil circuit, the oil return opening of the outlet connection oil tank module of the control oil circuit, the driving device one Including motor pump group and steam turbine pump group, motor pump group and steam turbine pump group are connected in parallel, and the motor pump group includes motor one With screw pump one, the steam turbine pump group includes air source component, oil pump steam turbine and screw pump two, and the air source component is driving The main steam turbine of compressor.

2. a kind of lubricating system of turbo compressor unit according to claim 1, it is characterised in that：The lubricating component is also Including Pressure Control Unit, the Pressure Control Unit is located at behind filter device one, and the Pressure Control Unit includes control Component and pressure transmitter assembly processed, pressure transmitter assembly are connect with control unit, the electricity of control unit and driving device one Pump group connects, and when pressure transmitter assembly detection pressure reaches setting value, control unit controls the driving device one electric-motor pump Group starts.

3. according to a kind of lubricating system of turbo compressor unit described in claim 2, it is characterised in that：The pressure transmitter group Part is three pressure transmitters, and three pressure transmitters are arranged in parallel, the pressure value of any two of which pressure transmitter detection Reach setting value, then pressure transmitter assembly thinks that system pressure reaches setting value.

4. a kind of lubricating system of turbo compressor unit according to claim 3, it is characterised in that：The lubricating component is also Including the first check valve and the second check valve, first check valve is between decompressor and the first oil circuit, and described second Check valve is located at after filter device two, is interfered with each other when preventing driving device one and driving device two from working independently.

5. a kind of lubricating system of turbo compressor unit according to claim 4, it is characterised in that：The lubricating component is also Including overflow valve and the second oil circuit, the overflow valve is located at after driving device one, the overflow valve oily external control overflow in order to control Valve, including oil inlet, oil outlet and control port, the outlet of the import connection driving device one of the overflow valve, the overflow The oil return opening of the outlet connection oil tank module of valve, the control port of the overflow valve is connected with the outlet of the second oil circuit, and described the The import of two oil circuits is connected with the oil outlet of filter device one, and the overflow valve is for controlling the system pressure after filter device one Power.

6. a kind of lubricating system of turbo compressor unit according to claim 5, it is characterised in that：Second oil circuit is also Including one-way throttle valve, the one-way throttle valve throttles to the fluid for entering overflow valve, to make overflow valve open at a slow speed Quick closedown.

7. a kind of lubricating system of turbo compressor unit according to claim 5 or 6, it is characterised in that：The lubrication portion Part further includes accumulator, and the accumulator is between the first check valve and decompressor, in motor pump group and steam turbine Ensure the pressure in lubricant passage way when pump group switches.

8. a kind of lubricating system of turbo compressor unit according to claim 7, it is characterised in that：The lubricating component is also Including thermostat valve and third oil circuit, for the thermostat valve between cooling device and filter device one, the thermostat valve includes two One oil inlet of a oil inlet and an oil outlet, the thermostat valve is connected with the outlet of cooling device, the thermostat valve Outlet is connected with filter device one, another oil inlet of the thermostat valve is connected with the outlet of third oil circuit, the third oil The import on road is connected with the import of cooling device.

9. a kind of lubricating system of turbo compressor unit according to claim 8, it is characterised in that：The lubricating component is also Including safety valve one, safety valve two, safety valve three and safety valve four, the safety valve one is located at after motor pump group, the peace Full valve two is located at after steam turbine pump group, and the safety valve three is located at after driving device two, and the safety valve four is located at decompression After device, to ensure the safety of each position oil circuit pipeline.

10. a kind of lubricating system of turbo compressor unit according to claim 9, it is characterised in that：The oil tank module Including self sealing fuel cell, Oil-mist fan, heating device and oil conditioner, the heating device is located at the inside of self sealing fuel cell, institute It states Oil-mist fan and oil conditioner is located at the outside of self sealing fuel cell, connect with self sealing fuel cell.