CN219953451U - Turbine generator - Google Patents
Turbine generator Download PDFInfo
- Publication number
- CN219953451U CN219953451U CN202321055022.9U CN202321055022U CN219953451U CN 219953451 U CN219953451 U CN 219953451U CN 202321055022 U CN202321055022 U CN 202321055022U CN 219953451 U CN219953451 U CN 219953451U
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- CN
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- Prior art keywords
- generator
- turbine generator
- turbine
- outlet box
- pipeline
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000003345 natural gas Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 12
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The utility model discloses a turbine generator, which mainly comprises a turbine expander, a heat exchanger, a generator, an air cooler, a coupler and a pipeline; the turbine generator is internally provided with a turbine expander, a generator and a coupler, one side of the turbine generator is provided with the turbine expander, and the turbine expander is connected with the generator through the coupler; the top outside the turbine generator is provided with an air cooler, the top of the air cooler is provided with a pipeline, and the pipeline is connected with the heat exchanger. The utility model can realize the utilization of residual pressure resources in the transportation process of the natural gas pipeline and strengthen the use of cold energy in a natural gas differential pressure power generation system. The generator is convenient to maintain, and the surface of the generator is clean and tidy and square from the outside.
Description
Technical Field
The utility model relates to power generation equipment, in particular to a turbine generator.
Background
Natural gas long pipeline transportation, in order to overcome the resistance along the way, a high-pressure pipeline is generally adopted, but the natural gas needs to be subjected to depressurization before being provided for users, and the depressurization process contains abundant pressure energy. In order to realize effective utilization of the residual pressure resource, a turbine power generation process is generally adopted to convert pressure energy into mechanical energy and then convert the mechanical energy into electric energy.
The natural gas depressurization process is accompanied by cooling, and when the outlet temperature cannot meet the conveying requirement at a pressure regulating station without cold energy application requirements, the natural gas needs to be heated before or after the natural gas depressurization.
Based on the reasons, the technology is used for cooling the turbine generator in the natural gas depressurization process, so that not only can the cold energy in the natural gas depressurization process be utilized, but also the fuel required for heating the natural gas can be saved; in addition, the power generation equipment is provided with a plurality of outgoing lines in the actual use process, and the outgoing lines are arranged together, so that the maintenance is convenient, and the surface of the power generation equipment is tidy and elegant.
Disclosure of Invention
The utility model aims to provide a turbine generator which realizes the use of residual pressure resources and cold energy in the natural gas depressurization process.
The technical scheme adopted by the utility model is as follows: a turbine generator mainly comprises a turbine expander, a heat exchanger, a generator, an air cooler, a coupler and a pipeline; the method is characterized in that: the turbine generator is internally provided with a turbine expander, a generator and a coupler, one side of the turbine generator is provided with the turbine expander, and the turbine expander is connected with the generator through the coupler; the top outside the turbine generator is provided with an air cooler, the top of the air cooler is provided with a pipeline, and the pipeline is connected with the heat exchanger.
Further, the turbine generator is installed in a natural gas pipeline for transportation in the following concrete modes: the inlet pipeline is connected with a conventional decompression system and an adjusting valve in parallel, the adjusting valve is connected with a turbine generator, and the conventional decompression system and the turbine generator are connected with an outlet pipeline in parallel; a conventional depressurization system is a natural gas pressure regulating station.
Further, the turbine generator further comprises a zero line outlet box, a small outlet box and a live line outlet box, wherein the left side of the outer end of the turbine generator is provided with the zero line outlet box, the right side of the outer end of the turbine generator is provided with the live line outlet box, and one side of the zero line outlet box is provided with the small outlet box.
Further, a transformer is arranged in the live wire outlet box, a current transformer and a lightning arrester are arranged in the zero wire outlet box, and a short steel pipe welded in the generator is connected to the small outlet box.
Further, the live wire is led out from the right side of the generator into a live wire outlet box, the zero wire is led out from the left side of the generator into a zero wire outlet box, and the outgoing wire of the current transformer is led into a small outlet box from a short steel pipe in the generator.
Further, in the live wire outlet box, a live wire is connected with a voltage regulator, and the voltage regulator is connected with a transformer; the transformer is a three-phase core type transformer.
Further, in the zero line outlet box, a zero line is connected with a current transformer, the current transformer is connected with a lightning arrester, and the zero line is directly grounded; the current transformer is a current transformer for protection; the lightning arrester is a magnetic blowing lightning arrester.
The utility model has the beneficial effects that:
(1) The utility model can realize the utilization of residual pressure resources in the transportation process of the natural gas pipeline and strengthen the use of cold energy in a natural gas differential pressure power generation system; the coupler can connect the turbine expander with the rotating shaft of the generator, and can drive the generator to rotate when the turbine expander rotates;
(2) A short steel pipe is welded on the right side of the generator, so that an outgoing line of the current transformer can be led into a small junction box; the turbine generator is connected with the conventional decompression system in parallel, and can continuously supply air to a user when the turbine generator is in fault or overhauled; the regulating valve can control the input amount of natural gas;
(3) The current transformer and the lightning arrester can protect the turbine generator; the voltage regulator can keep the output voltage of the generator at a certain voltage level, the transformer plays a role in boosting, and the voltage generated by the generator is boosted by the transformer and is transmitted to the power grid;
(4) The live wire and the zero line are not arranged in the same box body, but separated outgoing lines can be used for arranging the tedious outgoing lines inside the power generation equipment, the power generation equipment is convenient to maintain, and the surface of the power generation equipment is clean and tidy and square when seen from the outside.
Drawings
Fig. 1 is a front view of the generator of the present utility model.
Fig. 2 is a right side view of fig. 1 of the present utility model.
Fig. 3 is a natural gas pipeline transportation flow diagram of the present utility model.
In the figure: 1. inlet wire pipeline, 2, outlet wire pipeline, 3, conventional depressurization system (natural gas pressure regulating station), 4, governing valve, 5, turboexpander, 6, heat exchanger, 7, generator, 8, air cooler, 9, zero line outlet box, 10, short steel pipe, 11, little outlet box, 12, live wire outlet box, 13, shaft coupling, 14, pipeline, 15, turbine generator.
Detailed Description
1-3, the present utility model is operated and practiced in such a way that a turbine generator mainly comprises a turbine expander 5, a heat exchanger 6, a generator 7, an air cooler 8, a coupling 13 and a pipeline 14; the method is characterized in that: the turbine generator 15 is internally provided with a turbine expander 5, a generator 7 and a coupling 13, one side of the turbine generator is provided with the turbine expander 5, and the turbine expander 5 is connected with the generator 7 through the coupling 13; the top outside the turbine generator 15 is provided with an air cooler 8, the top of the air cooler 8 is provided with a pipeline 14, and the pipeline 14 is connected with the heat exchanger 6. The turbine generator is a machine which takes a turbine expander as a prime motor to drive a generator to generate electricity, and the turbine generator and the generator are not in the same concept.
Further, the turbine generator is installed in a natural gas pipeline for transportation in the following concrete modes: the inlet pipeline 1 is connected with a conventional decompression system 3 and a regulating valve 4 in parallel, the regulating valve 4 is connected with a turbine generator, and the conventional decompression system and the turbine generator are connected with an outlet pipeline 2 in parallel; a conventional depressurization system is a natural gas pressure regulating station.
Further, the turbine generator also comprises a zero line outlet box 9, a small outlet box 11 and a live line outlet box 12, wherein the zero line outlet box 9 is arranged on the left side of the outer end of the turbine generator, the live line outlet box 12 is arranged on the right side of the outer end of the turbine generator, and the small outlet box 11 is arranged on one side of the zero line outlet box 9.
Further, a transformer is installed in the live wire outlet box 12, a current transformer and a lightning arrester are installed in the zero wire outlet box 9, and a short steel pipe 10 welded in the generator is connected to the small outlet box 11. The live wire is led out from the right side of the generator 7 into a live wire outlet box 12, the zero wire is led out from the left side of the generator 7 into a zero wire outlet box 9, and the outgoing wire of the current transformer is led into a small outlet box 11 from a short steel pipe 10 in the generator. The live wire is connected with a voltage regulator in the live wire outlet box, and the voltage regulator is connected with a transformer; the transformer is a three-phase core type transformer. In the zero line outlet box, the zero line is connected with a current transformer, the current transformer is connected with a lightning arrester, and the zero line is directly grounded; the current transformer is a current transformer for protection; the lightning arrester is a magnetic blowing lightning arrester.
The live wire outgoing box and the zero wire outgoing box are arranged on the left side and the right side of the outer end of the turbine generator, and are not arranged on the same box body, but are separated to be outgoing wires, so that the live wire outgoing box is ensured to have enough space for installing a transformer, and the zero wire outgoing box is ensured to have enough space for installing a transformer and a lightning arrester; the transformer plays a role of reducing voltage and is connected with the voltage regulator; the current transformer plays a role in protection and measurement, and the lightning arrester plays a role in limiting the grounding capacitance current and is used for protecting the generator.
In the utility model, when high-pressure natural gas enters the turbine expander 5 through the air inlet pipeline 1, the natural gas subjected to temperature and pressure reduction through the turbine expander 5 enters the heat exchanger 6 to exchange heat with the gas in the heat exchanger 6, the natural gas temperature rises to meet the requirement of low-pressure transportation of the natural gas, the natural gas is supplied to a natural gas user through the natural gas outlet pipeline 2, the gas in the heat exchanger 6 and the low-temperature natural gas are subjected to heat exchange temperature reduction for cooling the generator 7, and the gas temperature reduction in the heat exchanger 6 enters the air cooler 8 through the pipeline 14 so as to cool the generator 7.
In the utility model, the voltage regulator can regulate the exciting current of the generator so as to maintain the output voltage of the generator at a certain voltage level. When the power generation equipment has short-circuit fault, a large short-circuit current can occur, the current transformer can induce a small current, and the small current can be used as a signal of the relay protection device to enable the relay protection device to act, so that the power generation equipment is protected; it is not within the scope of the utility model for the relay protection device to be a further device.
In the utility model, the air cooler in the generator is arranged at the top of the generator, the protection level reaches IP55, and the inside of the generator is ensured not to be corroded by corrosive gas in the differential pressure power generation system taking the natural gas turbine as a junction.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (7)
1. A turbine generator mainly comprises a turbine expander, a heat exchanger, a generator, an air cooler, a coupler and a pipeline; the method is characterized in that: the turbine generator is internally provided with a turbine expander, a generator and a coupler, one side of the turbine generator is provided with the turbine expander, and the turbine expander is connected with the generator through the coupler; the top outside the turbine generator is provided with an air cooler, the top of the air cooler is provided with a pipeline, and the pipeline is connected with the heat exchanger.
2. A turbine generator in accordance with claim 1 wherein: the specific mode of installing the turbine generator in natural gas pipeline transportation is as follows: the inlet pipeline is connected with a conventional decompression system and an adjusting valve in parallel, the adjusting valve is connected with a turbine generator, and the conventional decompression system and the turbine generator are connected with an outlet pipeline in parallel; a conventional depressurization system is a natural gas pressure regulating station.
3. A turbine generator in accordance with claim 1 wherein: the turbine generator further comprises a zero line outlet box, a small outlet box and a live line outlet box, wherein the left side of the outer end of the turbine generator is provided with the zero line outlet box, the right side of the outer end of the turbine generator is provided with the live line outlet box, and one side of the zero line outlet box is provided with the small outlet box.
4. A turbine generator in accordance with claim 3 wherein: the transformer is arranged in the live wire outgoing box, the current transformer and the lightning arrester are arranged in the zero wire outgoing box, and a short steel pipe welded in the generator is connected to the small outgoing box.
5. A turbine generator in accordance with claim 3 wherein: the live wire is led out from the right side of the generator into a live wire outlet box, the zero wire is led out from the left side of the generator into a zero wire outlet box, and the outgoing wire of the current transformer is led into a small outlet box from a short steel pipe in the generator.
6. A turbine generator in accordance with claim 3 wherein: the live wire is connected with a voltage regulator in the live wire outlet box, and the voltage regulator is connected with a transformer; the transformer is a three-phase core type transformer.
7. A turbine generator in accordance with claim 3 wherein: in the zero line outlet box, the zero line is connected with a current transformer, the current transformer is connected with a lightning arrester, and the zero line is directly grounded; the current transformer is a current transformer for protection; the lightning arrester is a magnetic blowing lightning arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321055022.9U CN219953451U (en) | 2023-05-06 | 2023-05-06 | Turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321055022.9U CN219953451U (en) | 2023-05-06 | 2023-05-06 | Turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953451U true CN219953451U (en) | 2023-11-03 |
Family
ID=88547143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321055022.9U Active CN219953451U (en) | 2023-05-06 | 2023-05-06 | Turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953451U (en) |
-
2023
- 2023-05-06 CN CN202321055022.9U patent/CN219953451U/en active Active
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