Novel turbine driving compressor

Abstract

The utility model discloses a novel turbine driving compressor which comprises a cement foundation, a concrete high platform and a concrete low platform which are arranged on the cement foundation and connected in a matched mode, a turbine is arranged on the concrete high platform, and an air compressor set, a booster set, a first cooler set and a second cooler set are arranged on the concrete low platform. The steam turbine is connected with the air compressor unit and the booster unit through couplings; an oil supply mechanism is further arranged on one side of the concrete high platform and matched with the steam turbine through an oil control pipeline so as to control on-off and opening adjustment of a main steam valve of the steam turbine. The oil supply mechanism is matched with the steam turbine through a lubricating oil pipeline so as to carry out oil lubrication on the machine core bearing. The air compressor unit and the booster unit are designed and combined to be matched with the same steam turbine, and the lubricating oil and the pressure oil are output through the same oil supply mechanism, so that the cost is saved, the space required for arrangement of the unit is reduced, the unit efficiency is improved, and great advantages are achieved for arrangement of a limited space and transformation of an old plant; and the positive promotion effect on energy conservation and emission reduction is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of compressors, and particularly relates to a new type of steam turbine-driven compressor. Background Art

[0002] The compressor includes a raw material air compressor that sucks air from the atmosphere and a booster that secondarily pressurizes the processed pressurized gas. The three-stage compression air compressor is a set of units, and the three-stage compression booster is another set of units. The two sets of units are separately driven by driving equipment and supplied with oil through a separate oil station. The two small gear shafts are driven by a single large gear shaft, and the rotational speeds of the two small gear shafts are different. The small gear shafts drive the impellers (the first small gear shaft drives two impellers, the second small gear shaft drives one impeller, a total of three impellers) to compress the gas and do work.

[0003] It can be seen that the separate drive and separate oil supply of the air compressor and the booster in the compressor not only result in high costs, large floor space, but also a long installation period. Content of the Utility Model

[0004] In order to make up for the deficiencies of the prior art, the utility model provides a new type of steam turbine-driven compressor, which combines the air compressor and the booster on the same set of equipment, and is directly driven by a steam turbine, and is lubricated through a combined oil station (lubricating oil and pressure oil) to reduce the space required for the layout of the unit and increase the efficiency of the unit.

[0005] The new type of steam turbine-driven compressor includes a cement foundation, on which a concrete high platform and a concrete low platform are arranged in a mating connection. A steam turbine is arranged on the concrete high platform, and an air compressor unit, a booster unit, a first cooler unit and a second cooler unit are arranged on the concrete low platform. The steam turbine is connected to the air compressor unit and the booster unit through a coupling; a fuel supply mechanism is also arranged on one side of the concrete high platform, and the fuel supply mechanism cooperates with the steam turbine through an oil control pipeline to control the opening and closing and opening degree adjustment of the main steam valve of the steam turbine; the fuel supply mechanism cooperates with the steam turbine through a lubricating oil pipeline to lubricate the core bearing with oil.

[0006] Further, a condenser is arranged below the concrete high platform, and the condenser is connected to the steam turbine in a mating connection. High-pressure steam enters the steam turbine for driving, and after driving, the steam in the steam turbine is discharged into the condenser for cooling.

[0007] Further, an air extractor is also arranged on the concrete high platform, and the air extractor is connected to the condenser to extract the excess air in the condenser and maintain the vacuum degree of the condenser.

[0008] Further, the air compressor unit includes a first-stage air compressor, a second-stage air compressor, and a third-stage air compressor; the first cooler group includes a first-stage cooler and a second-stage cooler; the first-stage air compressor is connected to the first-stage cooler through an inter-stage gas pipeline, the second-stage air compressor is connected to the second-stage cooler through an inter-stage gas pipeline, and the third-stage air compressor is connected to the air pre-cooling device and the molecular sieve in cooperation.

[0009] Further, the booster unit includes a first-stage booster, a second-stage booster, and a third-stage booster; the second cooler group includes a third-stage cooler, a fourth-stage cooler, and a fifth-stage cooler; the first-stage booster is connected to the third-stage cooler through an inter-stage gas pipeline, the second-stage booster is connected to the fourth-stage cooler through an inter-stage gas pipeline, and the third-stage booster is connected to the fifth-stage cooler through an inter-stage gas pipeline. The gas cooled by the fifth-stage cooler is directly introduced into the expander.

[0010] Further, the oil supply mechanism includes an oil tank and an oil cooler provided on one side of the oil tank. A pump group and an oil mist separator are provided on the upper end surface of the oil tank. Both the oil control pipeline and the lubricating oil pipeline are matched with the oil cooler.

[0011] Further, the steam turbine is connected to a gearbox, and the gearbox is connected to the air compressor unit and the booster unit through couplings.

[0012] Compared with the prior art, the present utility model has the following advantages: In this application, the air compressor unit and the booster unit are designed and combined to cooperate with the same steam turbine (that is, the air compressor unit and the booster unit are directly driven by the steam turbine to work). Moreover, lubricating oil and pressure oil are output through the same oil supply mechanism (that is, not only can it cooperate with the steam turbine through the oil control pipeline to control the opening and closing and opening degree adjustment of the main steam valve of the steam turbine, but also it can cooperate with the steam turbine through the lubricating oil pipeline to lubricate the core bearings). This saves costs, reduces the space required for unit layout, increases the unit efficiency, has great advantages for the layout of limited space and the transformation of old factories, and plays a positive role in promoting energy conservation and emission reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is one of the structural schematic diagrams of the present utility model;

[0014] Figure 2 is the second structural schematic diagram of the present utility model.

[0015] In the figure: 1 - Cement foundation, 2 - Concrete high platform, 3 - Concrete low platform, 4 - Steam turbine, 5 - Air compressor unit, 51 - First-stage air compressor, 52 - Second-stage air compressor, 53 - Third-stage air compressor, 6 - Booster unit, 61 - First-stage booster, 62 - Second-stage booster, 63 - Third-stage booster, 7 - First cooler group, 71 - First-stage cooler, 72 - Second-stage cooler, 8 - Second cooler group, 81 - Third-stage cooler, 82 - Fourth-stage cooler, 83 - Fifth-stage cooler, 9 - Coupling, 10 - Oil supply mechanism, 10-1 - Oil tank, 10-2 - Oil cooler, 10-3 - Oil pump group, 10-4 - Oil mist separator, 11 - Oil control pipeline, 12 - Lubricating oil pipeline, 13 - Condenser, 14 - Air ejector, 15 - Gearbox. Detailed implementation mode

[0016] To enable those skilled in the art to more clearly understand the technical solution of the present application, the present utility model will be further described below with reference to the accompanying drawings.

[0017] As Figure 1 and Figure 2 shown in the embodiment, a new type of steam turbine-driven compressor includes a cement foundation 1, on which a concrete high platform 2 and a concrete low platform 3 are arranged in a mating connection. A steam turbine 4 is arranged on the concrete high platform 2, and an air compressor unit 5, a booster unit 6, a first cooler group 7 and a second cooler group 8 are arranged on the concrete low platform 3. The steam turbine 4 is connected to the air compressor unit 5 and the booster unit 6 through a coupling 9; that is, the gearbox is connected to the compressor through a coupling. The first three stages of the compressor are the air compressor unit 5, and the last three stages are the booster unit 6. On one side of the concrete high platform 2, an oil supply mechanism 10 is also arranged. The oil supply mechanism 10 cooperates with the steam turbine 4 through an oil control pipeline 11 to control the opening and closing and opening degree adjustment of the main steam valve of the steam turbine 4; the oil supply mechanism 10 cooperates with the steam turbine 4 through a lubricating oil pipeline 12 to lubricate the core bearing with oil.

[0018] Specifically, a condenser 13 is arranged below the concrete high platform 2. The condenser 13 is connected to the steam turbine 4 in a mating connection. High-pressure steam enters the steam turbine 4 for driving. After driving, the steam in the steam turbine 4 is discharged into the condenser 13 for cooling. An air ejector 14 is also arranged on the concrete high platform 2. The air ejector 14 is connected to the condenser 13 to extract the excess air in the condenser 13 and maintain the vacuum degree of the condenser 13.

[0019] In this embodiment, the air compressor unit 5 includes a first-stage air compressor 51, a second-stage air compressor 52, and a third-stage air compressor 53; the first cooler group 7 includes a first-stage cooler 71 and a second-stage cooler 72; the first-stage air compressor 51 is connected to the first-stage cooler 71 through an inter-stage gas pipeline, the second-stage air compressor 52 is connected to the second-stage cooler 72 through an inter-stage gas pipeline, and the third-stage air compressor 53 is connected to the air precooling device and molecular sieve in a coordinated manner. The booster unit 6 includes a first-stage booster 61, a second-stage booster 62, and a third-stage booster 63; the second cooler group 8 includes a third-stage cooler 81, a fourth-stage cooler 82, and a fifth-stage cooler 83; the first-stage booster 61 is connected to the third-stage cooler 81 through an inter-stage gas pipeline, the second-stage booster 62 is connected to the fourth-stage cooler 82 through an inter-stage gas pipeline, and the third-stage booster 63 is connected to the fifth-stage cooler 83 through an inter-stage gas pipeline. The gas cooled by the fifth-stage cooler 83 is directly introduced into the expander.

[0020] It can be understood that after passing through the self-cleaning filter, the air enters the first-stage air compressor 51. After being compressed, the discharged high-temperature and high-pressure air enters the first-stage cooler 71 through the inter-stage gas pipeline for cooling. The gas cooled by the first-stage cooler 71 enters the second-stage air compressor 52 through the intake pipeline. After being compressed, the discharged high-temperature and high-pressure air enters the second-stage cooler 72 through the inter-stage gas pipeline for cooling. The gas cooled by the second-stage cooler 72 enters the third-stage compressor 63 through the intake pipeline. After being compressed, the discharged high-temperature and high-pressure air enters the air precooling device and molecular sieve through the inter-stage gas pipeline. The processed gas enters the first-stage booster 61 for boosting and then enters the third-stage cooler 81 through the inter-stage gas pipeline for cooling. The gas cooled by the third-stage cooler 81 enters the second-stage booster 62 for boosting and then enters the fourth-stage cooler 82 through the gas pipeline for cooling. The gas cooled by the fourth-stage cooler 82 enters the third-stage booster 63 for boosting and then enters the fifth-stage cooler 83 through the gas pipeline for cooling. The gas cooled by the fifth-stage cooler 83 is directly introduced into the expander for subsequent processing. That is, for the three-stage air compressor, after each stage of compression, it enters the corresponding cooler for cooling and then enters the next stage. After being compressed to the third stage, it enters the subsequent process system. After the process system processes the gas, it enters the booster unit 6. After each stage of the booster compressor is compressed, it enters the corresponding cooler for cooling and then enters the next stage of boosting. After being compressed to the third stage and entering the fifth-stage cooler 83, it enters the subsequent process system.

[0021] In this embodiment, the steam turbine 4 is connected to the gearbox 15, and the gearbox 15 is connected to the compressor through the coupling 9, that is, the coupling 9 is connected to the large gear rotor of the compressor. The large gear rotor drives the air compressor rotors and the supercharger rotors at all levels to work. The oil supply mechanism 10 includes an oil tank 10-1 and an oil cooler 10-2 arranged on one side of the oil tank 10-1. A pump unit 10-3 and an oil mist separator 10-4 are arranged on the upper end surface of the oil tank 10-1. The oil control pipeline 11 and the lubricating oil pipeline 12 are both matched with the oil cooler 10-2. The pump unit 10-3 pumps out the oil in the oil tank 10-1, cools it in the oil cooler 10-2 after pressure regulation by a pressure regulating valve, and then, after temperature regulation by a temperature control valve, it is divided into two paths. One path enters the oil filter for filtration and is used as lubricating oil for lubricating the core bearings, and the other path is pressurized by a control oil pump and is used as high-pressure control oil to control the opening and closing and the opening degree adjustment of the main steam valve of the steam turbine 4.

[0022] It can be understood that in this application, the air compressor unit 5 (i.e., the first-stage air compressor 51, the second-stage air compressor 52, and the third-stage air compressor 53) and the supercharger unit 6 (i.e., the first-stage supercharger 61, the second-stage supercharger 62, and the third-stage supercharger 63) are combined onto the same gearbox 15 that cooperates with the steam turbine 4, that is, the air compressor unit 5 and the supercharger unit 6 are directly driven by the steam turbine. In addition, lubricating oil and pressure oil are output through the same oil supply mechanism 10. That is, not only can it cooperate with the steam turbine through the oil control pipeline to control the opening and closing and the opening degree adjustment of the main steam valve of the steam turbine, but also it can cooperate with the steam turbine through the lubricating oil pipeline to lubricate the core bearings with oil. It saves costs, reduces the space required for unit layout, increases the unit efficiency, has great advantages for the layout of limited space and the transformation of old factories, and plays a positive role in promoting energy conservation and emission reduction.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A novel steam turbine driven compressor, comprising a cement foundation (1), a concrete high platform (2) and a concrete low platform (3) arranged on the cement foundation (1) and connected to each other, characterized in that: A steam turbine (4) is arranged on the concrete high platform (2), and an air compressor unit (5), a booster unit (6), a first cooler unit (7) and a second cooler unit (8) are arranged on the concrete low platform (3); the steam turbine (4) is connected to the air compressor unit (5) and the booster unit (6) via a coupling (9); an oil supply mechanism (10) is also arranged on one side of the concrete high platform (2); the oil supply mechanism (10) cooperates with the steam turbine (4) via an oil control pipeline (11) to control the switching and opening adjustment of the main steam valve of the steam turbine (4); the oil supply mechanism (10) cooperates with the steam turbine (4) via a lubricating oil pipeline (12) to lubricate the core bearings.

2. A novel steam turbine driven compressor according to claim 1, characterized in that: A condenser (13) is disposed below the concrete platform (2). The condenser (13) is connected to the steam turbine (4). High-pressure steam enters the steam turbine (4) to drive it. After driving, the steam in the steam turbine (4) is discharged and enters the condenser (13) for cooling.

3. A novel steam turbine driven compressor according to claim 2, characterized in that: A steam extractor (14) is also provided on the concrete platform (2). The steam extractor (14) is connected to the condenser (13) to extract excess air in the condenser (13) and maintain the vacuum degree of the condenser (13).

4. A novel steam turbine driven compressor according to claim 1, characterized in that: The air compressor unit (5) comprises a first stage air compressor (51), a second stage air compressor (52) and a third stage air compressor (53); the first cooler unit (7) comprises a first stage cooler (71) and a second stage cooler (72); the first stage air compressor (51) is connected to the first stage cooler (71) via an interstage gas pipeline, the second stage air compressor (52) is connected to the second stage cooler (72) via an interstage gas pipeline, and the third stage air compressor (53) is connected to an air precooling device and a molecular sieve.

5. A novel steam turbine driven compressor according to claim 1, characterized in that: The booster unit (6) includes a booster stage (61), a booster stage (62) and a booster stage (63); the second cooler group (8) includes a cooler stage (81), a cooler stage (82) and a cooler stage (83); the booster stage (61) is connected to the cooler stage (81) via an interstage gas pipeline, the booster stage (62) is connected to the cooler stage (82) via an interstage gas pipeline, the booster stage (63) is connected to the cooler stage (83) via an interstage gas pipeline, and the gas cooled by the cooler stage (83) is directly introduced into the expander.

6. A novel steam turbine driven compressor according to any one of claims 1 to 5, characterized in that: The oil supply mechanism (10) comprises an oil tank (10-1) and an oil cooler (10-2) arranged on one side of the oil tank (10-1); an oil pump group (10-3) and an oil mist separator (10-4) are arranged on the upper end surface of the oil tank (10-1); and the oil control pipeline (11) and the lubricating oil pipeline (12) are both matched with the oil cooler (10-2).

7. A novel steam turbine driven compressor according to any one of claims 1 to 5, characterized in that: The steam turbine (4) is connected to a gearbox (15), and the gearbox (15) is connected to an air compressor unit (5) and a booster unit (6) via a coupling (9).

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