CN110966052A - Compressor and turbine integrated unit and operation method thereof - Google Patents

Compressor and turbine integrated unit and operation method thereof Download PDF

Info

Publication number
CN110966052A
CN110966052A CN201911213513.XA CN201911213513A CN110966052A CN 110966052 A CN110966052 A CN 110966052A CN 201911213513 A CN201911213513 A CN 201911213513A CN 110966052 A CN110966052 A CN 110966052A
Authority
CN
China
Prior art keywords
turbine
motor
gear
compressor
gear box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911213513.XA
Other languages
Chinese (zh)
Inventor
廖健鑫
田瑞青
王文武
钱勇
倪剑
刘海杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DEC Dongfang Turbine Co Ltd
Original Assignee
DEC Dongfang Turbine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DEC Dongfang Turbine Co Ltd filed Critical DEC Dongfang Turbine Co Ltd
Priority to CN201911213513.XA priority Critical patent/CN110966052A/en
Publication of CN110966052A publication Critical patent/CN110966052A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/08—Adaptations for driving, or combinations with, pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/12—Combinations with mechanical gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/34—Turning or inching gear
    • F01D25/36—Turning or inching gear using electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to the field of power devices and aims to solve the problem of the existing supercritical CO2The problem that the combination form of all components of the generator set is loose,a compressor-turbine integrated unit and an operation method thereof are provided. The compressor and turbine integrated unit comprises a turbine, a motor, a gear box, a main compressor and a multi-stage recompressor; the motor is a driving and power generation integrated machine, and when the unit is started, the motor is in the working condition of the motor, and the driving shaft system rotates; when the unit normally works, the motor is in the working condition of the generator to generate electricity outwards; the gear box is provided with a plurality of gear shafts in transmission connection; the motor, the turbine, the gear box and the main compressor are sequentially and coaxially connected, wherein a shaft of the turbine and a shaft of the main compressor are respectively connected with two ends of one gear shaft of the gear box; and each stage of the secondary compressor is distributed on two sides of the gear box and is respectively connected with the connecting ends of other gear shafts of the gear box. The invention has the advantages of compact structure and high efficiency of the unit.

Description

Compressor and turbine integrated unit and operation method thereof
Technical Field
The invention relates to the field of power devices, in particular to a compressor and turbine integrated unit and an operation method thereof.
Background
For medium and high power supercritical CO2The driving part of the generator set usually needs to be provided with a main compressor, a secondary compressor, a turbine and other equipment, and in order to realize the starting of the driving part, turning is also generally needed to realize.
In the prior art, the connection between the devices is usually loose, so that the whole driving unit is large in size and complex in pipeline.
Disclosure of Invention
The invention aims to provide a compressor and turbine integrated unit and an operation method thereof, and aims to solve the problem of the existing supercritical CO2The loose combination form of each component of the generator set.
The embodiment of the invention is realized by the following steps:
a compressor and turbine integrated unit comprises a turbine, a motor, a gear box, a main compressor and a plurality of stages of recompressors; the motor is a driving and power generation integrated machine, and when the unit is started, the motor is in the working condition of the motor, and the driving shaft system rotates; when the unit normally works, the motor is in the working condition of the generator to generate electricity outwards; the gear box is provided with a plurality of gear shafts in transmission connection; the motor, the turbine, the gear box and the main compressor are sequentially and coaxially connected, wherein a shaft of the turbine and a shaft of the main compressor are respectively connected with two ends of one gear shaft of the gear box; and each stage of the secondary compressor is distributed on two sides of the gear box and is respectively connected with the connecting ends of other gear shafts of the gear box.
When the integrated driving unit is used, firstly, the motor is started under the working condition of the motor, so that the driving motor drives the gear box, the main compressor, the turbine and the recompressor at each stage, which are connected to the gear shaft of the gear box, to start and operate; after the standby unit finishes starting and normal operation, the motor is switched to the working condition of the generator, the turbine is used as driving equipment, the main compressor and the compressors at all stages are driven to operate, and work is done outwards. And the motor in this scheme can replace the function of the barring of turbine, and the unit can cancel independent barring device.
In addition, in the scheme, the turbine and the compressors of the unit are integrated on a gear box and distributed on two sides of the gear box, the main compressor, the secondary compressor and the external acting power generation are all driven by the same turbine, one part of the output power of the turbine is used for driving the main compressor and the recompressor, the other part of the output power is used for outputting acting power, the unit is compact in structure and function, the complex connection structure is reduced, and the overall energy conversion rate is improved; the main compressor, the secondary compressor and the turbine are arranged on two sides, so that axial thrust can be effectively balanced; the motor is used as a driving motor for driving the unit to start and a generator for driving the turbine to generate electricity, so that the cost of equipment configuration is saved, and the overall size of the structure is reduced.
In one embodiment, the compressor-turbine integrated unit further comprises an elongated common base, and the main compressor, the gear box, the turbine and the motor are linearly arranged on the common base; each stage of the re-compressor is respectively connected with two ends of a gear shaft at two sides of the gear box. The main compressor, the secondary compressor, the motor and the turbine are arranged on the common base, and the whole dispatching of the unit can be realized.
In one embodiment, the cylinders of the main compressor and the cylinders of the recompressor are respectively connected to the box body of the gear box in a flange connection mode.
In one embodiment, bearing housings are provided at both ends of the shaft of the turbine, respectively, and the shaft of the turbine is rotatably supported between the bearing housings at both ends.
In one embodiment, the gear box comprises a box body, three gear shafts which are sequentially and rotatably arranged in the box body, and transmission gears which are fixedly connected to the gear shafts, wherein the transmission gears are meshed with each other and are in transmission connection; at least one end of the gear shaft is arranged to be a connecting end used for connecting other structures.
In one embodiment, the recompressor has four stages, and the four-stage recompressor is connected to one of the four connecting ends of the remaining two gear shafts.
In one embodiment, the number of teeth of each of the transmission gears is not equal, so that the rotational speeds of the gear shafts are not equal. The unit adopts the multiaxis to arrange, carries out the rotational speed through the gear box and matches, can realize different rotational speeds between each rotor.
The application also provides a compressor and turbine integrated unit which comprises a turbine, a motor, a gear box, a main compressor and a multi-stage recompressor; the motor is a driving and power generation integrated machine, and when the unit is started, the motor is in the working condition of the motor, and the driving shaft system rotates; when the unit normally works, the motor is in the working condition of the generator to generate electricity outwards; the gear box is provided with three gear shafts in transmission connection, wherein one gear shaft is positioned in the middle of the other two gear shafts; the motor, the turbine and a gear shaft of the gear box which is positioned in the middle are sequentially and coaxially connected; the recompressor is multistage, and main compressor and multistage recompressor distribute in the both sides of gear box to connect four link altogether of other two gear shafts of gear box respectively.
Compared with the scheme, the scheme is different in that the main compressor does not need to be arranged on a gear shaft in the middle of the gear box, but can be arranged on gear shafts on two sides and can be coaxially arranged with one or more stages of the recompressor. The arrangement mode also has certain balance and can balance the axial thrust.
The application also provides an operation method of the compressor and turbine integrated unit, which comprises the following steps:
firstly, starting a motor under the working condition of the motor, and enabling the motor to drive a gear box, a main compressor, a turbine and each stage of recompressor connected to a gear shaft of the gear box to start and operate;
after the standby unit finishes starting and normal operation, the motor is switched to the working condition of the generator, the turbine is used as driving equipment, the main compressor and the compressors at all stages are driven to operate, and the generator is driven to operate and generate power.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings referred to in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.
FIG. 1 is a three-dimensional view of a compressor turbine integrated unit in an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1;
FIG. 3 is a schematic view (schematic structural view) of a second embodiment of a compressor-turbine integrated unit according to an embodiment of the present invention;
FIG. 4 is a schematic view (schematic structural view) of a third embodiment of a compressor-turbine integrated unit according to an embodiment of the present invention;
fig. 5 is a schematic view (schematic structural view) of a fourth embodiment of the compressor-turbine integrated unit according to the embodiment of the present invention.
Icon: 1-a common base; 2-a main compressor; 3-recompressor; 31-first stage recompressor; 32-a second stage recompressor; 33-third stage recompressor; 34-a fourth stage recompressor; 7-a gearbox; 71-a box body; 72-gear shaft; 73-gear; 8-turbine; 9-a motor; 21-a bearing housing; 22-a cylinder; k1-inlet; k2-outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present invention do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1, the present embodiment provides a compressor-turbine integrated unit, which includes a turbine 8, a motor 9, a gear box 7, a main compressor 2 and a plurality of stages of recompressors 3; the motor 9 is a driving and power generation integrated machine, and when the unit is started, the motor 9 is in the working condition of a motor, and the driving shaft system rotates; when the unit normally works, the motor 9 is in the working condition of the generator to generate electricity outwards; the gearbox 7 has a plurality of drivingly connected gear shafts 72; the motor 9, the turbine 8, the gear box 7 and the main compressor 2 are sequentially and coaxially connected, wherein the shaft of the turbine 8 and the shaft of the main compressor 2 are respectively connected with two ends of one gear shaft 72 of the gear box 7; the stages of the recompressor 3 are distributed on both sides of the gear box 7 and are connected to the connecting ends of the other gear shafts 72 of the gear box 7, respectively. In the scheme, the compressor and turbine integrated unit further comprises a strip-shaped common base 1, and the main compressor 2, the gear box 7, the turbine 8 and the motor 9 are linearly arranged on the common base 1; each stage of the re-compressor 3 is connected to both ends of the gear shaft 72 on both sides of the gear case 7, respectively. The main compressor 2, the recompressor 3, the motor 9 and the turbine 8 are arranged on the common base 1, and the whole dispatching of the unit can be realized. In this embodiment, the cylinder 22 of the main compressor 2 and the cylinders 22 of the respective stages of the recompressor 3 may be connected to the case 71 of the gear box 7 by flange connection, or may be connected by other means. Bearing boxes 21 are respectively arranged at two ends of the shaft of the turbine 8, and the shaft of the turbine 8 is rotatably supported between the bearing boxes 21 at the two ends.
When the integrated driving unit in the scheme is used, firstly, the motor 9 is started under the working condition of the motor, so that the driving motor 9 drives the gear box 7 and the main compressor 2, the turbine 8 and the secondary compressors 3 at all stages, which are connected to the gear shaft 72 of the gear box 7, to start and operate; after the standby unit finishes starting and normal operation, the motor 9 is switched to the working condition of the generator, the turbine 8 is used as driving equipment, the main compressor 2 and the secondary compressors 3 at all stages are driven to operate, and work is done outwards. And the motor 9 in the scheme can replace the turning function of the turbine 8, and the unit can cancel a separate turning device.
In addition, in the scheme, the turbine 8 and each compressor of the unit are integrated on a gear box 7 and distributed on two sides of the gear box 7, the main compressor 2, the recompressor 3 and external acting power generation are all driven by the same turbine 8, one part of output power of the turbine 8 is used for driving the main compressor 2 and the recompressor 3, and the other part of output power is used for acting, so that the unit is compact in structure and function, the complex connection structure is reduced, and the overall energy conversion rate is improved; the main compressor 2, the recompressor 3 and the turbine 8 are arranged on two sides, so that the axial thrust can be effectively balanced; the motor 9 is used as a driving motor 9 for driving the unit to start and a generator for driving the turbine 8 to generate electricity, so that the cost of equipment configuration is saved, and the overall size of the structure is reduced.
Referring to fig. 2 in a matching manner, in the present embodiment, the gear box 7 includes a box body 71, three gear shafts 72 sequentially rotatably disposed on the box body 71, and transmission gears 73 fixedly connected to the gear shafts 72, and the transmission gears 73 are engaged with each other and in transmission connection; at least one end of the gear shaft 72 is provided as a coupling end for coupling with other structures. The recompressor 3 has four stages (first-stage recompressor 31, second-stage recompressor 32, third-stage recompressor 33, and fourth-stage recompressor 34, respectively), and the four-stage recompressor 3 is connected to one of the four connection ends of the remaining two gear shafts 72, respectively.
Alternatively, the number of teeth of each of the transmission gears 73 in the present embodiment is not equal, so that the rotation speeds of the gear shafts 72 are not equal. The unit adopts the multiaxis to arrange, carries out the rotational speed through gear box 7 and matches, can realize different rotational speeds between each rotor, adaptation all levels recompressor 3.
In other embodiments of this embodiment, the main compressor 2 may be located at other positions than coaxial with the turbine 8.
In another embodiment, as shown in fig. 3, two of the four-stage recompressors 3 are coaxially connected in series at one end of the same gear shaft 72, and the other gear shaft 72 has a vacant end and is not connected with other structures. In this solution, the main compressor 2 and the turbine 8 are still on both sides of the gearbox 7, still having a good ability to balance axial forces.
In other embodiments, the main compressor 2 may also not be arranged on the intermediate gear shaft 72. For example, as shown in fig. 4, the gear box 7 has three gear shafts 72 drivingly connected, one of which is located at a middle position of the other two; the motor 9, the turbine 8 and a gear shaft 72 positioned in the middle of the gear box 7 are sequentially and coaxially connected; the recompressor 3 has three stages (i.e., a first stage recompressor 31, a second stage recompressor 32, and a third stage recompressor 33), and the main compressor 2 and the third stage recompressor 3 are distributed on both sides of the gear box 7 and are respectively connected to four connecting ends of two other gear shafts 72 of the gear box 7. For example, the scheme shown in fig. 5 is different from the scheme shown in fig. 4 in that the recompressor 3 has four stages (the first-stage recompressor 31, the second-stage recompressor 32, the third-stage recompressor 33 and the fourth-stage recompressor 34, respectively), and the extra stages are coaxially arranged on the gear shaft 72 where the main compressor 2 is located in series and are located on the other side of the gear box 7.
The solutions of fig. 4 and 5 differ from the solutions of fig. 2 and 3 in that the main compressor 2 is not disposed on the gear shaft 72 in the middle of the gear box 7, but disposed on the gear shafts 72 on both sides and coaxially disposed at one or more stages of the recompressor 3. The arrangement mode also has certain balance and can balance the axial thrust.
The application also provides an operation method of the compressor and turbine integrated unit, which comprises the following steps:
firstly, starting the motor 9 under the working condition of the motor, so that the motor 9 drives the gear box 7 and the main compressor 2, the turbine 8 and each stage of secondary compressor 3 connected to the gear shaft 72 of the gear box 7 to start and operate;
after the standby unit finishes starting and normal operation, the motor 9 is switched to the working condition of the generator, the turbine 8 is used as driving equipment, the main compressor 2 and the compressors at all stages are driven to operate, and the generator is driven to operate and generate power.
Reference is made to the prior art for the working medium channel, which is briefly described here below:
working medium enters the main compressor 2 from an inlet K1, the working medium is pressurized by the work input by the turbine 8, and the pressurized working medium flows out from an outlet K2; then sequentially passing through all stages of recompressors 3, and finally pressurizing the working medium to design parameters; the turbine 8 can be a radial flow type, an axial flow type or a mixed flow type, and can be a single-stage or multi-stage structure, when the unit works, high-temperature and high-pressure working media compressed by the compressor pass through the turbine 8 to push the impeller to do work, wherein a part of work is input through the gear box 7 and is distributed to each stage of the main compressor 2 and the recompressor 3 through the gears 73 in the gear box 7; the other part of work is output to the motor 9 through the output shaft end of the turbine 8 to drive the motor 9 to generate electricity.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a compressor turbine integral type unit which characterized in that:
the system comprises a turbine, a motor, a gear box, a main compressor and a multi-stage recompressor;
the motor is a driving and power generation integrated machine, and when the unit is started, the motor is in the working condition of the motor, and the driving shaft system rotates; when the unit normally works, the motor is in the working condition of the generator to generate electricity outwards;
the gear box is provided with a plurality of gear shafts in transmission connection;
the motor, the turbine, the gear box and the main compressor are sequentially and coaxially connected, wherein a shaft of the turbine and a shaft of the main compressor are respectively connected with two ends of one gear shaft of the gear box;
each stage of the recompressor is distributed on two sides of the gear box and is respectively connected with the connecting ends of other gear shafts of the gear box.
2. The compressor-turbine integrated unit according to claim 1, wherein:
the main compressor, the gear box, the turbine and the motor are linearly arranged on the common base; and each stage of the recompressor is respectively connected to two ends of the gear shaft on two sides of the gear box.
3. The compressor-turbine integrated unit according to claim 1, wherein:
and the air cylinder of the main compressor and the air cylinders of all stages of the secondary compressor are respectively connected to the box body of the gear box in a flange connection mode.
4. The compressor-turbine integrated unit according to claim 1, wherein:
the two ends of the shaft of the turbine are respectively provided with a bearing box, and the shaft of the turbine is rotatably supported between the bearing boxes at the two ends.
5. The compressor-turbine integrated unit according to claim 1, wherein:
the gear box comprises a box body, three gear shafts and transmission gears, the three gear shafts are sequentially and rotatably arranged on the box body, the transmission gears are fixedly connected to the gear shafts, and the transmission gears are meshed with each other and are in transmission connection;
at least one end of the gear shaft is arranged to be a connecting end used for connecting other structures.
6. The compressor-turbine integrated unit according to claim 5, wherein:
the recompressor has four stages, and the four stages of recompressors are respectively connected to one of the four connecting ends of the rest two gear shafts.
7. The compressor-turbine integrated unit according to claim 5, wherein:
the number of teeth of each transmission gear is unequal, so that the rotating speeds of the gear shafts are unequal.
8. The utility model provides a compressor turbine integral type unit which characterized in that:
the system comprises a turbine, a motor, a gear box, a main compressor and a multi-stage recompressor;
the motor is a driving and power generation integrated machine, and when the unit is started, the motor is in the working condition of the motor, and the driving shaft system rotates; when the unit normally works, the motor is in the working condition of the generator to generate electricity outwards;
the gear box is provided with three gear shafts in transmission connection, wherein one gear shaft is positioned in the middle of the other two gear shafts;
the motor, the turbine and a gear shaft of the gear box which is positioned in the middle are sequentially and coaxially connected;
the recompressor is multistage, main compressor and multistage the recompressor distributes in the both sides of gear box to connect four total link of other two gear shafts of gear box respectively.
9. The operation method of the compressor-turbine integrated unit according to any one of claims 1 to 8, comprising the steps of:
firstly, starting a motor under the working condition of the motor, and enabling the motor to drive a gear box, a main compressor, a turbine and each stage of recompressor connected to a gear shaft of the gear box to start and operate;
after the standby unit finishes starting and normal operation, the motor is switched to the working condition of the generator, the turbine is used as driving equipment, the main compressor and the compressors at all stages are driven to operate, and the generator is driven to operate and generate power.
CN201911213513.XA 2019-12-02 2019-12-02 Compressor and turbine integrated unit and operation method thereof Pending CN110966052A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911213513.XA CN110966052A (en) 2019-12-02 2019-12-02 Compressor and turbine integrated unit and operation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911213513.XA CN110966052A (en) 2019-12-02 2019-12-02 Compressor and turbine integrated unit and operation method thereof

Publications (1)

Publication Number Publication Date
CN110966052A true CN110966052A (en) 2020-04-07

Family

ID=70032616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911213513.XA Pending CN110966052A (en) 2019-12-02 2019-12-02 Compressor and turbine integrated unit and operation method thereof

Country Status (1)

Country Link
CN (1) CN110966052A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112483436A (en) * 2020-11-23 2021-03-12 东方电气集团东方汽轮机有限公司 Compression-expansion integrated turbine set
CN112855298A (en) * 2021-02-01 2021-05-28 北京前沿动力科技股份有限公司 Supercritical carbon dioxide circulating power generation system and operation method thereof

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0620363A1 (en) * 1993-03-12 1994-10-19 Praxair Technology, Inc. Integration of combustor-turbine units and pressure processors by means of integral-gear
GB0216541D0 (en) * 2002-07-16 2002-08-28 Drivetec Uk Ltd Automotive superchargers
US20080174194A1 (en) * 2006-12-07 2008-07-24 General Electric Company Double-Sided Starter/Generator for Aircrafts
CN102192011A (en) * 2010-03-16 2011-09-21 三星泰科威株式会社 Turbine system
US20150240640A1 (en) * 2010-08-27 2015-08-27 Nuovo Pignone S.P.A. Geared axial multistage expander device, system and method
FR3021358A1 (en) * 2014-05-23 2015-11-27 Snecma AIRCRAFT TURBINE ENGINE GEAR BOX
CN205422841U (en) * 2015-09-04 2016-08-03 曼柴油机和涡轮机欧洲股份公司 Transmission turbine
CN105863743A (en) * 2015-02-06 2016-08-17 曼柴油机和涡轮机欧洲股份公司 Geared Turbomachine
US20160376023A1 (en) * 2015-06-25 2016-12-29 Pratt & Whitney Canada Corp. Compound engine assembly with direct drive of generator
DE102015220618A1 (en) * 2015-10-22 2017-04-27 Voith Patent Gmbh Kraftwerk strand
CN107131017A (en) * 2017-04-27 2017-09-05 西安交通大学 Circulation therrmodynamic system and control method based on supercritical carbon dioxide axial flow compressor Yu axial-flow turbine coaxial configuration
CN107476996A (en) * 2017-08-08 2017-12-15 势加透博（上海）能源科技有限公司 generating set
CN108223031A (en) * 2017-12-26 2018-06-29 王尚锦 S-CO2Brayton cycle turbine, compressor and generator integral type unit
CN110145475A (en) * 2019-06-21 2019-08-20 哈尔滨广瀚动力传动有限公司 More driving structures of Thermal Power Station's primary air fan

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0620363A1 (en) * 1993-03-12 1994-10-19 Praxair Technology, Inc. Integration of combustor-turbine units and pressure processors by means of integral-gear
GB0216541D0 (en) * 2002-07-16 2002-08-28 Drivetec Uk Ltd Automotive superchargers
US20080174194A1 (en) * 2006-12-07 2008-07-24 General Electric Company Double-Sided Starter/Generator for Aircrafts
CN102192011A (en) * 2010-03-16 2011-09-21 三星泰科威株式会社 Turbine system
US20110225977A1 (en) * 2010-03-16 2011-09-22 Samsung Techwin Co., Ltd. Turbine system
US20150240640A1 (en) * 2010-08-27 2015-08-27 Nuovo Pignone S.P.A. Geared axial multistage expander device, system and method
FR3021358A1 (en) * 2014-05-23 2015-11-27 Snecma AIRCRAFT TURBINE ENGINE GEAR BOX
CN105863743A (en) * 2015-02-06 2016-08-17 曼柴油机和涡轮机欧洲股份公司 Geared Turbomachine
US20160376023A1 (en) * 2015-06-25 2016-12-29 Pratt & Whitney Canada Corp. Compound engine assembly with direct drive of generator
CN205422841U (en) * 2015-09-04 2016-08-03 曼柴油机和涡轮机欧洲股份公司 Transmission turbine
DE102015220618A1 (en) * 2015-10-22 2017-04-27 Voith Patent Gmbh Kraftwerk strand
CN107131017A (en) * 2017-04-27 2017-09-05 西安交通大学 Circulation therrmodynamic system and control method based on supercritical carbon dioxide axial flow compressor Yu axial-flow turbine coaxial configuration
CN107476996A (en) * 2017-08-08 2017-12-15 势加透博（上海）能源科技有限公司 generating set
CN108223031A (en) * 2017-12-26 2018-06-29 王尚锦 S-CO2Brayton cycle turbine, compressor and generator integral type unit
CN110145475A (en) * 2019-06-21 2019-08-20 哈尔滨广瀚动力传动有限公司 More driving structures of Thermal Power Station's primary air fan

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112483436A (en) * 2020-11-23 2021-03-12 东方电气集团东方汽轮机有限公司 Compression-expansion integrated turbine set
CN112483436B (en) * 2020-11-23 2023-04-07 东方电气集团东方汽轮机有限公司 Compression-expansion integrated turbine set
CN112855298A (en) * 2021-02-01 2021-05-28 北京前沿动力科技股份有限公司 Supercritical carbon dioxide circulating power generation system and operation method thereof

Similar Documents

Publication Publication Date Title
US9512849B2 (en) Multi-stage integrally geared compressor
US8414250B2 (en) Geared turbine machine for a machine train, machine train with and gear for geared turbine machine
JP5055538B2 (en) Multistage turbo compressor
EP2233721A1 (en) Gas turbine engine
US6897578B1 (en) Integrated microturbine gearbox generator assembly
CN110966052A (en) Compressor and turbine integrated unit and operation method thereof
JP2016145636A (en) Transmission turbo machine
EP2604862A1 (en) A compressor arrangement
JP2014098390A (en) Turbomachine with gear
WO2011017783A2 (en) High-pressure multistage centrifugal compressor
EP2547873B1 (en) A centrifugal compressor
JP6305712B2 (en) Transmission turbomachine
CN110985337A (en) Integrated driving unit and operation method thereof
CN212616132U (en) Planetary differential speed reducing mechanism and speed reducer
JP2019517638A (en) LNG plant including two centrifugal compressors and a compression train including two centrifugal compressors
CA3130263C (en) Multistage compressor-expander turbomachine configuration
ITCO20120002A1 (en) COMPRESSOR SYSTEM FOR NATURAL GAS, METHOD FOR COMPRESSING NATURAL GAS AND PLANT THAT USES THEM
TWM406658U (en) Multi-stage spiral type compressor
JPH0754637Y2 (en) Multi-stage turbo compressor
CN214404027U (en) Integrated high-speed permanent magnet synchronous four-stage centrifugal compressor
CN103382983A (en) Single-stage large-proportion speed-increasing gearbox of fan
CN220667815U (en) Integrated two-stage screw compressor
CN214092366U (en) Oil-free gas compression device and compression system
EP4191066A1 (en) Integrally geared compressor
KR101578027B1 (en) Compressor and energy saving system using the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200407