CN214464737U - Drive system with turbo expander and motor generator - Google Patents
Drive system with turbo expander and motor generator Download PDFInfo
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- CN214464737U CN214464737U CN202120501530.XU CN202120501530U CN214464737U CN 214464737 U CN214464737 U CN 214464737U CN 202120501530 U CN202120501530 U CN 202120501530U CN 214464737 U CN214464737 U CN 214464737U
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Abstract
The utility model provides a actuating system with turbo expander and motor generator relates to turbo expander technical field. The system comprises a turbine expander, a reduction gearbox, a clutch, a motor generator with the functions of a motor and a generator, a gear box and a compressor. The turbine expander, the reduction gearbox, the clutch, the motor generator, the gear box and the compressor are sequentially connected in a transmission mode, and the clutch can be coupled with or disengaged from the input end of the motor generator. The motor generator drives the compressor to run, when the rotation speed of the turbine expander reaches a certain value, the clutch is coupled, the output power of the expander is increased, when the power of the expander reaches a preset value, the motor generator is accelerated to a generator state to generate electricity outwards, and meanwhile the compressor is driven to reduce energy consumption and reduce cost.
Description
Technical Field
The utility model belongs to the technical field of turbo expander technique and specifically relates to a actuating system with turbo expander and motor generator is related to.
Background
The turbo expander is an important device for expanding high-temperature and high-pressure gas into low-temperature and low-pressure gas and outputting mechanical power. At present, a turbo expander is used as a primary end, converts energy of input fluid into mechanical energy, and then transmits the mechanical energy to a generator through a shafting to convert the mechanical energy into electric energy. The motor draws power from the grid to drive the compressor. The conventional arrangement has a problem of high energy loss, and needs to be improved.
Disclosure of Invention
In view of the above, the present invention provides a drive system having a turboexpander and a motor generator, which solves the technical problem of the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a drive system having a turboexpander and a motor-generator for driving a compressor, comprising: the system comprises a turbo expander, a reduction gearbox, a clutch, a motor generator with the functions of a motor and a generator, a gear box and a compressor. The motor generator has two shaft ends. The turbine expander, the reduction gearbox, the clutch, the motor generator, the gear box and the compressor are sequentially connected in a transmission mode, and the clutch can be coupled with or disengaged from the input end of the motor generator.
The motor generator drives the compressor to run, when the rotation speed of the turbine expander reaches a certain value, the clutch is coupled, the output power of the expander is increased, when the power of the expander reaches a preset value, the motor generator is accelerated to a generator state to generate electricity outwards, and meanwhile the compressor is driven to reduce energy consumption and reduce cost.
In some embodiments of the present invention, the driving system with the turbo-expander and the motor generator further includes an expander flow adjusting mechanism to adjust the rotation speed of the turbo-expander by adjusting the output power of the turbo-expander, so as to meet the rotation speed requirement of automatic coupling or automatic disengagement of the clutch. The expander flow adjustment mechanism includes: the system comprises an emergency cut-off valve arranged at the inlet end of the turboexpander, a flow regulating assembly used for regulating the flow in the turboexpander and a bypass valve, wherein the inlet of the bypass valve is communicated with the inlet of the emergency cut-off valve through a three-way pipe.
The setting of expander flow control mechanism conveniently adjusts the rotational speed of turbo expander to reduce the energy consumption.
In some embodiments of the present invention, the driving system having the turboexpander and the motor generator further includes a compressor flow rate adjusting mechanism to adjust a load of the compressor. The compressor flow regulating mechanism includes: a backflow regulating valve and a flow measuring assembly. The flow measuring assembly is communicated with the inlet end of the compressor, and the backflow regulating valve is connected with the inlet end and the outlet end of the compressor through a conduit.
The arrangement of the flow regulating mechanism of the compressor is convenient for regulating the load of the compressor.
In some embodiments of the present invention, the flow measurement assembly includes a flow meter.
In some embodiments of the present invention, the clutch is configured to be automatically coupled with the input of the motor generator when the rotation speed of the output of the reduction gear box reaches the rotation speed of the motor generator, so as to reduce energy consumption.
The embodiment of the utility model provides an at least, have following advantage or beneficial effect:
1. the motor generator drives the compressor to run, when the rotation speed of the turbine expander reaches a certain value, the clutch is coupled, the output power of the expander is increased, when the power of the expander reaches a preset value, the motor generator is accelerated to a generator state to generate electricity outwards, and meanwhile the compressor is driven to reduce energy consumption and reduce cost.
2. The setting of expander flow control mechanism conveniently adjusts the rotational speed of turbo expander to reduce the energy consumption.
3. The arrangement of the flow regulating mechanism of the compressor is convenient for regulating the load of the compressor.
4. The clutch is configured to automatically couple with the input of the motor generator to reduce energy consumption when the rotational speed of the output of the reduction gearbox reaches the rotational speed of the motor generator.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of a drive system having a turboexpander and a motor generator according to an embodiment of the present invention.
Icon: 1-an emergency shut-off valve, 2-a flow regulating component, 3-a turbo expander, 4-a bypass valve, 5-a reduction box, 6-a clutch, 7-a motor generator, 8-a gear box, 9-a compressor, 10-a backflow regulating valve and 11-a flow measuring component.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1, the present embodiment provides a driving system having a turbo expander and a motor generator for driving a compressor 9, which mainly includes: a turbo expander 3, a reduction gear box 5, a clutch 6, a motor generator 7 having a motor and generator function, a gear box 8, and a compressor 9. The turbo expander 3, the reduction gearbox 5, the clutch 6, the motor generator 7, the gear box 8 and the compressor 9 are sequentially connected in a transmission manner, and the clutch 6 can be coupled with or disengaged from the input end of the motor generator 7.
The motor generator 7 drives the compressor 9 to reach the operating condition, when the rotating speed of the turboexpander 3 reaches a certain value, the clutch 6 is coupled, the output power of the expander is increased, when the power of the expander reaches a preset value, the motor generator 7 is accelerated to a generator state to generate electricity outwards, and meanwhile, the compressor 9 is driven, so that the energy consumption is reduced, and the cost is reduced.
Specifically, the method comprises the following steps:
the clutch 6 is configured such that when the rotation speed of the output of the reduction gearbox 5 reaches the rotation speed of the motor generator 7, the clutch 6 is automatically coupled with the input of the motor generator 7 to reduce energy consumption.
The motor generator 7 has two shaft ends, and the motor generator 7 has the functions of a motor and a generator, so that the electrical cost can be effectively reduced.
The drive system having the turboexpander and the motor generator further includes an expander flow rate adjusting mechanism to adjust the rotational speed of the turboexpander 3 by adjusting the output power of the turboexpander 3, thereby achieving the rotational speed requirement of the clutch 6 for automatic coupling or automatic decoupling. The expander flow adjustment mechanism includes: the system comprises an emergency cut-off valve 1 arranged at the inlet end of a turbo expander 3, a flow regulating assembly 2 used for regulating the flow in the turbo expander 3, and a bypass valve 4, wherein the inlet of the bypass valve 4 is communicated with the inlet of the emergency cut-off valve 1 through a three-way pipe.
The drive system having the turboexpander and the motor generator further includes a compressor 9 flow rate adjusting mechanism to adjust the load of the compressor 9. The compressor 9 flow rate adjustment mechanism includes: a return flow regulating valve 10 and a flow measuring assembly 11. The flow measurement assembly 11 comprises a flow meter. The flow measurement assembly 11 communicates with the inlet end of the compressor 9, and the return flow regulating valve 10 connects the inlet end and the outlet end of the compressor 9 through pipes.
The operating principle of the drive system with turboexpander and motor generator is:
when the driving system with the turbo expander and the motor generator works, the motor generator 7 drives the compressor 9 to reach the operation condition, when the rotating speed of the turbo expander 3 reaches the rotating speed of the motor generator 7, the clutch 6 is automatically coupled, the output power of the expander is increased, when the power of the expander reaches the preset value, the motor generator 7 is accelerated to the generator state to generate electricity outwards, and meanwhile, the driving of the compressor 9 is realized, so that the energy consumption is reduced, and the cost is reduced.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 (5)
1. A drive system having a turboexpander and a motor-generator for driving a compressor, comprising:
a turbo expander;
a reduction gearbox;
a clutch;
a motor generator having two shaft ends, the motor generator having functions of a motor and a generator;
a gear case; and
a compressor;
the turbo expander, the reduction gearbox, the clutch, the motor generator, the gear box and the compressor are sequentially connected in a transmission mode, and the clutch can be coupled with or disengaged from the input end of the motor generator.
2. The drive system having the turboexpander and the motor generator according to claim 1, further comprising an expander flow rate adjusting mechanism for adjusting a rotation speed of the turboexpander by adjusting an output power of the turboexpander so as to meet a rotation speed requirement of automatic coupling or automatic decoupling of the clutch; the expander flow adjustment mechanism includes:
the emergency cut-off valve is arranged at the inlet end of the turboexpander;
the flow regulating assembly is used for regulating the flow in the turboexpander; and
and the inlet of the bypass valve is communicated with the inlet of the emergency cut-off valve through a three-way pipe.
3. The drive system having the turboexpander and the motor generator according to claim 1, further comprising a compressor flow rate adjusting mechanism to adjust a load of the compressor; the compressor flow rate adjustment mechanism includes:
a reflux regulating valve; and
a flow measurement assembly;
the flow measurement assembly is communicated with an inlet end of the compressor, and the backflow regulating valve is connected with the inlet end and the outlet end of the compressor through a conduit.
4. The drive system having the turboexpander and the motor-generator of claim 3, wherein the flow measurement assembly includes a flow meter.
5. The drive system having the turboexpander and the motor-generator according to any one of claims 1 to 4, wherein the clutch is configured to be automatically coupled with an input of the motor-generator when a rotation speed of an output of the reduction gearbox reaches a rotation speed of the motor-generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120501530.XU CN214464737U (en) | 2021-03-10 | 2021-03-10 | Drive system with turbo expander and motor generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120501530.XU CN214464737U (en) | 2021-03-10 | 2021-03-10 | Drive system with turbo expander and motor generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464737U true CN214464737U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120501530.XU Active CN214464737U (en) | 2021-03-10 | 2021-03-10 | Drive system with turbo expander and motor generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464737U (en) |
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2021
- 2021-03-10 CN CN202120501530.XU patent/CN214464737U/en active Active
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