CN219220537U - Steam turbine exhaust steam utilization device - Google Patents
Steam turbine exhaust steam utilization device Download PDFInfo
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- CN219220537U CN219220537U CN202223508903.XU CN202223508903U CN219220537U CN 219220537 U CN219220537 U CN 219220537U CN 202223508903 U CN202223508903 U CN 202223508903U CN 219220537 U CN219220537 U CN 219220537U
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Abstract
The application discloses steam turbine exhaust steam utilization device. The system comprises a steam power circulation pipeline and a waste steam utilization pipeline, wherein the steam power circulation pipeline is used for providing superheated steam for a steam turbine generator through a boiler, and the steam turbine generator is provided with a first waste steam output end; the exhaust steam utilization pipeline is provided with an input end and an output end, the input end of the exhaust steam utilization pipeline is connected with the first exhaust steam output end of the steam turbine generator, the output end of the exhaust steam utilization pipeline is connected with a heating and industrial steam component, steam is required to be generated by a boiler for heating and other industrial steam, the amount of superheated steam used for pushing the steam turbine generator to do work is correspondingly reduced, and the generating capacity and the generating efficiency are directly affected.
Description
Technical Field
The disclosure relates to the technical field of fire fault diagnosis, in particular to a steam turbine exhaust steam utilization device.
Background
In the normal operation of the steam turbine generator, the superheated steam generated by the boiler is used as the main steam of the steam turbine to drive the steam turbine to do work, the exhaust steam after doing work is condensed into water through the condenser, the condensed water is sent into the deaerator for deaeration through the condensate pump, and the deaerated hot water is supplied to the boiler through the water supply pump for reheating into steam, so that a complete thermodynamic cycle system is formed;
for cold seasons in the north, steam of a boiler is needed to warm in winter, low-pressure steam generated by the boiler is generally needed to be supplied, if the demand is large, superheated steam generated by the boiler is needed to be heated and depressurized to generate low-pressure steam for heating and other industrial steam, at the moment, the superheated steam used for pushing a steam turbine to apply work is correspondingly reduced greatly, the generated energy and the generated energy efficiency are directly influenced, and the waste of part of energy sources is caused.
Disclosure of Invention
In view of the foregoing drawbacks and deficiencies of the prior art, it is desirable to provide a steam turbine exhaust utilizing apparatus that increases the efficiency of a steam turbine generator and reduces the power generation steam for heating and other industrial steam.
In a first aspect, a steam turbine exhaust utilizing apparatus includes:
a steam power cycle line for providing superheated steam through a boiler to a steam turbine generator, the steam turbine generator having a first exhaust steam output;
the exhaust steam utilization pipeline is provided with an input end and an output end, the input end of the exhaust steam utilization pipeline is connected with the first exhaust steam output end of the steam turbine generator, and the output end of the exhaust steam utilization pipeline is connected with a heating and industrial steam component.
According to the technical scheme provided by the embodiment of the application, the steam power circulation pipeline further comprises a condenser, a condensate pump, a deaerator and a water supply pump;
the boiler has first output and second output, first output with turbo generator's input passes through the pipe connection, turbo generator has second exhaust steam output, the second exhaust steam output with condenser's input passes through the pipe connection, condenser's output with condensate pump's input passes through the pipe connection, condensate pump's output with the input of deaerator passes through the pipe connection, deaerator's output with feed pump's input passes through the pipe connection, feed pump's output with boiler's input passes through the pipe connection.
According to the technical scheme that this application embodiment provided, exhaust steam utilizes the pipeline to include low pressure steam female pipe, low pressure steam female pipe's input with first exhaust steam output is connected, low pressure steam female pipe's output with the input of heating and industrial steam subassembly is connected.
According to the technical scheme provided by the embodiment of the application, the boiler is further connected with a temperature and pressure reducer through a pipeline, the first output end is connected with the input end of the temperature and pressure reducer, and the output end of the temperature and pressure reducer is connected with the input end of the low-pressure steam main pipe through a pipeline.
According to the technical scheme provided by the embodiment of the application, the boiler is further connected with the low-pressure steam main pipe through a pipeline, and the second output end is connected with the input end of the low-pressure steam main pipe through a pipeline.
According to the technical scheme provided by the embodiment of the application, the steam turbine generator comprises a steam turbine and a generator, and the steam turbine is mechanically connected with the generator.
In summary, the present technical solution specifically discloses a steam turbine exhaust steam utilization device, which is designed with a steam power circulation pipeline for providing superheated steam for a steam turbine generator through a boiler, the steam turbine generator having a first exhaust steam output end; the exhaust steam utilization pipeline is provided with an input end and an output end, the input end of the exhaust steam utilization pipeline is connected with the first exhaust steam output end of the steam turbine generator, and the output end of the exhaust steam utilization pipeline is connected with a heating and industrial steam component;
in the cold season in north, the steam of the boiler is required to do work, the boiler is generally required to generate low-pressure steam for supplying, if the demand is large, the superheated steam generated by the boiler is required to generate low-pressure steam for heating and other industrial steam after being depressurized, at the moment, the superheated steam used for pushing the turbogenerator to do work is correspondingly reduced greatly, the generating capacity and the generating efficiency are directly influenced, and the waste of partial energy sources is caused.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic diagram of a steam turbine exhaust steam utilization device.
Reference numerals in the drawings: 1. a boiler; 2. a turbo generator; 3. heating and industrial steam components; 4. a condenser; 5. a condensate pump; 6. a deaerator; 7. a water feed pump; 8. a low pressure steam main; 9. a temperature and pressure reducer; 10. a steam turbine; 11. and (5) a generator.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Please refer to the steam turbine exhaust steam utilization device that this application provided that fig. 1 shows, include:
a steam power cycle line for providing superheated steam to a turbo generator 2 through a boiler 1, the turbo generator 2 having a first exhaust steam output;
the exhaust steam utilization pipeline is provided with an input end and an output end, the input end of the exhaust steam utilization pipeline is connected with the first exhaust steam output end of the steam turbine generator 2, and the output end of the exhaust steam utilization pipeline is connected with a heating and industrial steam component 3.
In the present embodiment, a steam power cycle line for supplying superheated steam to the turbo generator 2 through the boiler 1;
further, in the steam power circulation pipeline, superheated steam for generating electricity is generated when the boiler 1 works, and is transmitted to the steam turbine generator 2 through the pipeline, and the steam turbine generator 2 works to generate electricity;
the steam turbine generator 2 is provided with a first exhaust steam output end; further, the steam after the steam turbine generator 2 finishes working is called dead steam;
the exhaust steam utilization pipeline is provided with an input end and an output end, the input end of the exhaust steam utilization pipeline is connected with the first exhaust steam output end of the steam turbine generator 2, and the output end of the exhaust steam utilization pipeline is connected with a heating and industrial steam component 3;
the exhaust steam utilization pipeline is used for reutilizing exhaust steam generated in the working process of the steam turbine generator 2 and providing hot steam for the heating and industrial steam component 3.
As shown in fig. 1, the steam power circulation pipeline further comprises a condenser 4, a deaerator 6 and a water supply pump 7;
the boiler 1 is provided with a first output end and a second output end, the first output end is connected with the input end of the steam turbine generator 2 through a pipeline, the steam turbine generator 2 is provided with a second exhaust steam output end, the second exhaust steam output end is connected with the input end of the condenser 4 through a pipeline, the output end of the condenser 4 is connected with the input end of the condensate pump 5 through a pipeline, the output end of the condensate pump 5 is connected with the input end of the deaerator 6 through a pipeline, the output end of the deaerator 6 is connected with the input end of the water supply pump 7 through a pipeline, and the output end of the water supply pump 7 is connected with the input end of the boiler 1 through a pipeline;
a condenser 4 for condensing exhaust steam generated in the process of acting of the turbo generator 2 into condensed water;
a condensate pump 5 for pumping the condensate condensed by the condenser 4 toward the deaerator 6;
a deaerator 6 for deaerating the condensed water pumped by the condensed water pump 5;
a water feed pump 7 for pumping the condensed water deoxidized by the deoxidizer 6 to the boiler 1;
further, in the normal operation process of the turbo generator 2, water is heated and vaporized in the boiler 1 until the water becomes superheated steam, the superheated steam is conveyed to the turbo generator 2 through a pipeline, exhaust steam generated in the working process of the turbo generator 2 is condensed into condensate water through the condenser 4, the condensate water is pumped to the deaerator 6 through the condensate water pump 5, and the deaerator 6 deoxidizes the condensate water and then is pumped back to the boiler 1 through the water supply pump 7 for recycling, so that a thermodynamic cycle is formed.
As shown in fig. 1, the exhaust steam utilization pipeline comprises a low-pressure steam main pipe 8, the input end of the low-pressure steam main pipe 8 is connected with a first exhaust steam output end, and the output end of the low-pressure steam main pipe 8 is connected with the input end of the heating and industrial steam component 3;
and a low-pressure steam main pipe 8 for conveying the generated exhaust steam to the heating and industrial steam component 3.
As shown in fig. 1, the boiler 1 is further connected with a temperature and pressure reducer 9 through a pipeline, a first output end is connected with an input end of the temperature and pressure reducer 9, and an output end of the temperature and pressure reducer 9 is connected with an input end of the low-pressure steam main pipe 8 through a pipeline;
and a temperature and pressure reducer 9 for reducing the temperature and pressure of the superheated steam generated by the boiler 1 to form low-pressure steam.
As shown in fig. 1, the boiler 1 is also connected with a low-pressure steam main pipe 8 through a pipeline, and the second output end is connected with the input end of the low-pressure steam main pipe 8 through a pipeline;
further, the boiler 1 can generate low-pressure steam in addition to the superheated steam generated by heating and vaporization, and the low-pressure steam is directly conveyed to the heating and industrial steam assembly 3 through the low-pressure steam main pipe 8.
As shown in fig. 1, the turbo generator 2 includes a turbine 10 and a generator 11, and the turbine 10 and the generator 11 are mechanically connected;
further, the superheated steam is sent into the steam turbine 10 to perform adiabatic expansion work to drive the generator to generate electricity, and in the process, the heat energy of the superheated steam is converted into mechanical energy, and the mechanical energy is converted into electric energy.
In the cold season of north, the steam of the boiler 1 is required to do work, the boiler 1 is generally required to generate low-pressure steam for supplying, if the demand is large, the superheated steam generated by the boiler is required to generate low-pressure steam for heating and other industrial steam after being depressurized, at the moment, the superheated steam which is used for pushing the turbine generator 2 to do work is correspondingly reduced greatly, the generating capacity and the generating efficiency are directly influenced, and the waste of partial energy sources is caused, so the scheme generates the superheated steam and the low-pressure steam by heating the water through the boiler 1, and the low-pressure steam generated by the boiler 1 is directly transmitted to the heating and industrial steam assembly 3 through the low-pressure steam main pipe 8; the superheated steam generated by the boiler 1 is decompressed by a temperature and pressure reducer 9 and then is conveyed to the heating and industrial steam component 3 by a low-pressure steam main pipe 8; the superheated steam generated by the boiler 1 is mainly used for being sent into a steam turbine 10 to perform adiabatic expansion work to drive a generator to generate power, and exhaust steam generated in the process of the work done by the steam turbine 10 is then conveyed to a low-pressure steam main pipe 8 and is conveyed to a heating and industrial steam component 3 through the low-pressure steam main pipe 8; the exhaust steam generated in the working process of the steam turbine 10 is mainly condensed into condensate water through a condenser 4, the condensate water is pumped to a deaerator 6 through a condensate water pump 5, and the deaerator 6 deaerates the condensate water and then is pumped back to the boiler 1 through a water supply pump 7 for recycling; in the process, the low-pressure steam main pipe 8 is directly supplemented with the exhaust steam after the steam turbine 10 does work and is used for heating and other industrial steam, the steam for power generation cannot be influenced, the efficiency of the steam turbine 10 can be directly improved, and the steam directly conveyed to the heating and industrial steam component 3 by the boiler 1 is reduced.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (6)
1. A steam turbine exhaust utilizing device, comprising:
a steam power cycle line for providing superheated steam to a turbo generator (2) through a boiler (1), the turbo generator (2) having a first exhaust steam output;
the exhaust steam utilization pipeline is provided with an input end and an output end, the input end of the exhaust steam utilization pipeline is connected with the first exhaust steam output end of the steam turbine generator (2), and the output end of the exhaust steam utilization pipeline is connected with a heating and industrial steam component (3).
2. The steam turbine exhaust utilizing device according to claim 1, wherein:
the steam power circulation pipeline also comprises a condenser (4), a condensate pump (5), a deaerator (6) and a water supply pump (7);
the boiler (1) has first output and second output, first output with the input of turbo generator (2) passes through the pipe connection, turbo generator (2) has second exhaust steam output, second exhaust steam output with the input of condenser (4) passes through the pipe connection, the output of condenser (4) with the input of condensate pump (5) passes through the pipe connection, the output of condensate pump (5) with the input of deaerator (6) passes through the pipe connection, the output of deaerator (6) with the input of feed pump (7) passes through the pipe connection, the output of feed pump (7) with the input of boiler (1) passes through the pipe connection.
3. The steam turbine exhaust steam utilization device according to claim 2, wherein: the exhaust steam utilization pipeline comprises a low-pressure steam main pipe (8), the input end of the low-pressure steam main pipe (8) is connected with the first exhaust steam output end, and the output end of the low-pressure steam main pipe (8) is connected with the input end of the heating and industrial steam component (3).
4. A steam turbine exhaust utilizing device according to claim 3, wherein: the boiler (1) is also connected with a temperature and pressure reducer (9) through a pipeline, the first output end is connected with the input end of the temperature and pressure reducer (9), and the output end of the temperature and pressure reducer (9) is connected with the input end of the low-pressure steam main pipe (8) through a pipeline.
5. A steam turbine exhaust utilizing device according to claim 3, wherein: the boiler (1) is also connected with the low-pressure steam main pipe (8) through a pipeline, and the second output end is connected with the input end of the low-pressure steam main pipe (8) through a pipeline.
6. The steam turbine exhaust utilizing device according to claim 1, wherein:
the steam turbine generator (2) comprises a steam turbine (10) and a generator (11), and the steam turbine (10) and the generator (11) are mechanically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223508903.XU CN219220537U (en) | 2022-12-28 | 2022-12-28 | Steam turbine exhaust steam utilization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223508903.XU CN219220537U (en) | 2022-12-28 | 2022-12-28 | Steam turbine exhaust steam utilization device |
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| CN219220537U true CN219220537U (en) | 2023-06-20 |
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| CN202223508903.XU Active CN219220537U (en) | 2022-12-28 | 2022-12-28 | Steam turbine exhaust steam utilization device |
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