CN203756250U - Steam classification heating device - Google Patents
Steam classification heating device Download PDFInfo
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- CN203756250U CN203756250U CN201420106397.8U CN201420106397U CN203756250U CN 203756250 U CN203756250 U CN 203756250U CN 201420106397 U CN201420106397 U CN 201420106397U CN 203756250 U CN203756250 U CN 203756250U
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Abstract
The utility model provides a steam classification heating device which comprises a heat supply steam turbine, a differential pressure type heat supply turbine, a first-level heating device and a second-level heating device, wherein the heat supply steam turbine is provided with a steam extraction opening; the differential pressure type heat supply turbine comprises a steam inlet segment and a steam exhaust segment, and the steam inlet segment is connected with the steam extraction opening in the heat supply steam turbine through a pipeline; the first-level heating device comprises a first steam inlet end opening, a first backwater end opening for inputting heating backwater, a first water outlet end opening for outputting the heating backwater and a first drain end opening for draining, and the steam exhaust segment of the differential pressure type heat supply turbine is connected with the first steam inlet end opening; the second-level heating device comprises a second steam inlet end opening, a second backwater end opening for inputting heating backwater, a second water outlet end opening for outputting the heating backwater and a second drain end opening for draining, the second steam inlet end opening is further connected with the steam extraction opening in the heat supply steam turbine through a pipeline, and the second backwater end opening is connected with the first water outlet end opening through a pipeline. According to the steam classification heating device, electric energy is generated by using differential pressure loss of heating steam, and classification heating is conducted on the heating network backwater.
Description
Technical field
The utility model relates to steam turbine and heat supply process, and particularly, the utility model is particularly related to a kind of steam grading heating device.
Background technique
At present, heat supply unit heating draws gas generally and all from Steam Turbine Through IP Admission final stage, to extract out, by low, intermediate pressure cylinder connecting tube butterfly valve pilot pressure, guarantees the thrust of steam turbine and the balance of dividing plate pressure reduction.Because of what supply with, be same heat supply network, heat supply temperature is identical, and unit capacity is larger, and intermediate pressure cylinder final stage parameter is higher, and difference pressuring loss is larger, and this is the design deficiency that large capacity turbine heat supply cannot overcome.
Take 200MW and 300MW heat supply unit is example, and 200MW steam turbine heating extraction opening is at six sections, and extraction pressure is designed to 0.15MPa.Actual motion pressure is generally between 0.05-0.1MPa.Heat supply network supply water temperature is in 100 degree left and right.300MW steam turbine heating extraction opening is at six sections, and extraction pressure is designed to 0.39MPa.Actual motion pressure is generally between 0.2-0.3MPa.Heat supply network supply water temperature is also in 100 degree left and right.
Visible, how making full use of this part pressure reduction is to need at present the problem of solution badly with energy saving.
Summary of the invention
The purpose of this utility model is to provide a kind of steam grading heating device, the problem that cannot make full use of to solve part pressure reduction that existing heat supply unit exists.
In order to address the above problem, the utility model provides a kind of steam grading heating device, and its technological scheme is as follows:
A steam grading heating device, it comprises: heat supply steam turbine, is provided with extraction opening; Differential pressure type merit Hot gas turbine, comprises admission section, steam discharge section, and the extraction opening pipeline of described admission section and described heat supply steam turbine is connected; Primary heater, comprise the first admission port for inputting steam, for inputting the first backwater port of heating water return, for exporting the first water outlet port of heating water outlet and for discharging the first hydrophobic hydrophobic port, the steam discharge section of described differential pressure type merit Hot gas turbine is connected with described the first admission conduits; Second level heater, comprise the second admission port for inputting steam, for inputting the second backwater port of heating water return, for exporting the second water outlet port of heating water outlet and for discharging the second hydrophobic hydrophobic port, described the second admission port is also connected with the extraction opening pipeline of described heat supply steam turbine, and described the second backwater port is connected with described the first water outlet conduits.
Preferably, in a kind of mode of execution of above-mentioned steam grading heating device, the pipeline between described heat supply steam turbine and described second level heater is provided with the first valve, the first pressure detecting instrument, the first temperature monitor; Pipeline between described heat supply steam turbine and described differential pressure type merit Hot gas turbine is provided with the second valve, the second pressure detecting instrument, the second temperature monitor; Pipeline between described differential pressure type merit Hot gas turbine and described primary heater is provided with the 3rd valve, the 3rd pressure detecting instrument, the 3rd temperature monitor; Pipeline between described primary heater and second level heater is provided with the 4th pressure detecting instrument, the 4th temperature monitor; The second water outlet port of described second level heater is connected with the 5th pressure detecting instrument, the 5th temperature monitor.
Preferably, in a kind of mode of execution of above-mentioned steam grading heating device, also comprise control centre; Described the first valve, the second valve, the 3rd valve are solenoid valve; Described the first temperature monitor to described the 4th temperature monitor, described the first pressure detecting instrument is equipped with the communication module for uploading data to described the 4th pressure detecting instrument; Described control centre and described the first temperature monitor to described the 4th temperature monitor, described the first pressure detecting instrument to described the 4th pressure detecting instrument, described the first valve to described the 3rd valve communicates to connect, to adjust described the first valve according to each temperature data, pressure data to the aperture of described the 3rd valve.
Preferably, in a kind of mode of execution of above-mentioned steam grading heating device, described communication module is wireless communication module.
By upper analysis, the utility model utilizes differential pressure type merit Hot gas turbine recovered energy, by steam classification heat, improve the acting ability of steam.Whereby, the utility model utilizes the differential pressure loss of heating steam, produces electric energy, heating heat supply network backwater is carried out to classification heating simultaneously.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model preferred embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1, the utility model preferred embodiment mainly comprises control centre 100, heat supply steam turbine 1, differential pressure type merit Hot gas turbine 2, primary heater 3, second level heater 4 and a plurality of pipeline for delivery of all kinds of media.For clearer this preferred embodiment of explanation, Fig. 1 also shows heating system 5.
In Fig. 1, heat supply steam turbine 1 is provided with extraction opening, and this extraction opening is connected with extraction line 61,62, to carry the steam of being exported by heat supply steam turbine 1.Differential pressure type merit Hot gas turbine 2 comprises admission section, steam discharge section, and admission section is connected by the extraction opening pipeline of extraction line 61 and heat supply steam turbine 1.
Primary heater 3 comprises the first admission port for inputting steam, for inputting the first backwater port of heating water return, for exporting the first water outlet port of heating water outlet and for discharging the first hydrophobic hydrophobic port, the steam discharge section of differential pressure type merit Hot gas turbine 2 is connected with the first admission port by blow-off line 63.In addition, the first hydrophobic port is connected with to carry between hydrophobic drain water piping 65, the first backwater ports and heating system 5 and is connected with the water return pipeline 67 for delivery of heating water return.
Second level heater 4 comprises the second admission port for inputting steam, for inputting the second backwater port of heating water return, for exporting the second water outlet port of heating water outlet and for discharging the second hydrophobic hydrophobic port, the second admission port is connected by the extraction opening pipeline of extraction line 62 and heat supply steam turbine 1, and the second backwater port is connected by the first water outlet conduits of pipeline 68 and primary heater 3.In addition, the second hydrophobic port is connected with between hydrophobic drain water piping 64, the second water outlet ports of conveying and heating system 5 and is connected with the outlet conduit 66 for delivery of heating water outlet.
Preferably, the extraction line between heat supply steam turbine 1 and second level heater 4 is provided with the first valve 71, the first pressure detecting instrument 81, the first temperature monitor 91.Extraction line 61 between heat supply steam turbine 1 and differential pressure type merit Hot gas turbine 2 is provided with the second valve 72, the second pressure detecting instrument 82, the second temperature monitor 92.Blow-off line 63 between differential pressure type merit Hot gas turbine 2 and primary heater 3 is provided with the 3rd valve 73, the 3rd pressure detecting instrument 83, the 3rd temperature monitor 93.Pipeline 68 between primary heater 3 and second level heater 4 is provided with the 4th pressure detecting instrument 84, the 4th temperature monitor 94.The second water outlet port of second level heater 4 is connected with the 5th pressure detecting instrument 85, the 5th temperature monitor 95.
More preferably, this preferred embodiment also comprises control centre 100, and it is for analyzing, processing every temperature, pressure data, and controls accordingly each valve, more economical to realize, more rational classification heat protocol.For the ease of controlling, the first valve 71, the second valve 72, the 3rd valve 73 are solenoid valve.The first temperature monitor 91 to the 4th temperature monitor 94, the first pressure detecting instrument 81 is equipped with the communication module (not shown) for uploading data to the 4th pressure detecting instrument 84.Control centre 100 and the first temperature monitor 91 are to the 4th temperature monitor 94, the first pressure detecting instrument 81 to the 4th pressure detecting instrument 84, the first valve 71 to the 3rd valve 73 communication connections, to adjust the first valve 71 according to each temperature data, pressure data to the aperture of the 3rd valve 73, realize science, reasonable, economic parameter configuration.
The steam of High Temperature High Pressure enters differential pressure type merit Hot gas turbine 2 from heat supply steam turbine 1 is extracted out, finish merit in differential pressure type merit Hot gas turbine 2 after, become the steam of low-temp low-pressure, enter primary heater 3, the steam of finishing merit in primary heater 3 arrives certain temperature by heat supply network circulating water heating, from primary heater 3 heat supply network backwater out, cannot meet heating demand, therefore heat supply network backwater out enters again second level heater 4 from primary heater 3, in second level heater 4, by drawing gas of heat supply steam turbine 1, heat heat supply network backwater, heat supply network backwater is heated to the needed temperature of heating system 5.
In order to reduce field wiring, above-mentioned each communication module is wireless communication module, correspondingly, is also provided with wireless communication module in control centre 100.
To sum up, the utility model is by arranging secondary heater, and set up differential pressure type merit Hot gas turbine, can utilize differential pressure type merit Hot gas turbine recovered energy, reduce energy waste, and by steam classification heat, improve the acting ability of steam, realize and heat supply network backwater entered to the multiple beneficial effects such as heating, generating.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.All changes within the scope of the utility model or within being equal to scope of the present utility model are all included in the utility model.
Claims (4)
1. a steam grading heating device, is characterized in that, comprising:
Heat supply steam turbine, is provided with extraction opening;
Differential pressure type merit Hot gas turbine, comprises admission section, steam discharge section, and the extraction opening pipeline of described admission section and described heat supply steam turbine is connected;
Primary heater, comprise the first admission port for inputting steam, for inputting the first backwater port of heating water return, for exporting the first water outlet port of heating water outlet and for discharging the first hydrophobic hydrophobic port, the steam discharge section of described differential pressure type merit Hot gas turbine is connected with described the first admission conduits;
Second level heater, comprise the second admission port for inputting steam, for inputting the second backwater port of heating water return, for exporting the second water outlet port of heating water outlet and for discharging the second hydrophobic hydrophobic port, described the second admission port is also connected with the extraction opening pipeline of described heat supply steam turbine, and described the second backwater port is connected with described the first water outlet conduits.
2. steam grading heating device according to claim 1, is characterized in that, the pipeline between described heat supply steam turbine and described second level heater is provided with the first valve, the first pressure detecting instrument, the first temperature monitor;
Pipeline between described heat supply steam turbine and described differential pressure type merit Hot gas turbine is provided with the second valve, the second pressure detecting instrument, the second temperature monitor;
Pipeline between described differential pressure type merit Hot gas turbine and described primary heater is provided with the 3rd valve, the 3rd pressure detecting instrument, the 3rd temperature monitor;
Pipeline between described primary heater and second level heater is provided with the 4th pressure detecting instrument, the 4th temperature monitor;
The second water outlet port of described second level heater is connected with the 5th pressure detecting instrument, the 5th temperature monitor.
3. steam grading heating device according to claim 2, is characterized in that, also comprises control centre;
Described the first valve, the second valve, the 3rd valve are solenoid valve;
Described the first temperature monitor to described the 4th temperature monitor, described the first pressure detecting instrument is equipped with the communication module for uploading data to described the 4th pressure detecting instrument;
Described control centre and described the first temperature monitor to described the 4th temperature monitor, described the first pressure detecting instrument to described the 4th pressure detecting instrument, described the first valve to described the 3rd valve communicates to connect, to adjust described the first valve according to each temperature data, pressure data to the aperture of described the 3rd valve.
4. steam grading heating device according to claim 3, is characterized in that, described communication module is wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420106397.8U CN203756250U (en) | 2014-03-10 | 2014-03-10 | Steam classification heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420106397.8U CN203756250U (en) | 2014-03-10 | 2014-03-10 | Steam classification heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756250U true CN203756250U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420106397.8U Withdrawn - After Issue CN203756250U (en) | 2014-03-10 | 2014-03-10 | Steam classification heating device |
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| Country | Link |
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| CN (1) | CN203756250U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835777A (en) * | 2014-03-10 | 2014-06-04 | 国电龙源电力技术工程有限责任公司 | Steam staged heating device |
| CN104500979B (en) * | 2014-12-02 | 2018-01-19 | 常州英集动力科技有限公司 | The inline diagnosis of steam flowing remaining portion eliminates system and method for work in heating network |
-
2014
- 2014-03-10 CN CN201420106397.8U patent/CN203756250U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835777A (en) * | 2014-03-10 | 2014-06-04 | 国电龙源电力技术工程有限责任公司 | Steam staged heating device |
| CN103835777B (en) * | 2014-03-10 | 2016-04-06 | 国电龙源电力技术工程有限责任公司 | Steam grading heating device |
| CN104500979B (en) * | 2014-12-02 | 2018-01-19 | 常州英集动力科技有限公司 | The inline diagnosis of steam flowing remaining portion eliminates system and method for work in heating network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |