CN207740054U - A kind of pressure and temperature reducing formula steam waste heat electricity generation system - Google Patents
A kind of pressure and temperature reducing formula steam waste heat electricity generation system Download PDFInfo
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- CN207740054U CN207740054U CN201721726372.8U CN201721726372U CN207740054U CN 207740054 U CN207740054 U CN 207740054U CN 201721726372 U CN201721726372 U CN 201721726372U CN 207740054 U CN207740054 U CN 207740054U
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- 230000005611 electricity Effects 0.000 title claims abstract description 15
- 239000002918 waste heat Substances 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000006837 decompression Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model provides a kind of pressure and temperature reducing formula steam waste heat electricity generation system, including steam main pipe and the first relief pipe, and first relief pipe leads to delivery pipe, and is provided with the mechanism of decompressor on the first relief pipe;First relief pipe is connect with steam main pipe, and main vapour isolating valve and decompression valve are provided on the first relief pipe;The second relief pipe being connected in parallel with the first relief pipe is provided between the steam main pipe and delivery pipe, main vapour isolating valve, main steam quick-closing valve, main steam control valve, turbine set and the mechanism of decompressor are disposed on second relief pipe, the turbine set is connected by retarder with generator.This system, by converting the energy of high steam to the reduction that electric energy realizes pressure, the energy being sufficiently used in steam avoids the energy total loss in pressure process from falling, and electricity can be used for factory's use, reduce electric cost.
Description
Technical field
The utility model is related to boiler plant field, especially a kind of pressure and temperature reducing formula steam waste heat electricity generation system.
Background technology
In chemical process, process unit generally requires the steam of different pressures grade, typically generates boiler
High steam be decompressed to several different grades of pressure, then the steam of different pressures is delivered to by correspondence by corresponding pipeline
Device, while the steam of device itself by-product is also incorporated into pipe network.But in fact, during steam pressure-reducing, high-grade energy
The energy level of amount reduces, and pressure difference can be lost in vain, cause great energy waste.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of pressure and temperature reducing formula steam waste heat electricity generation systems, are dropping
The energy of steam can be effectively utilized during low vapor pressure, reduce energy loss.
Technical solution adopted by the utility model to solve its technical problems is:A kind of pressure and temperature reducing formula steam waste heat power generation
System, including steam main pipe and the first relief pipe, first relief pipe leads to delivery pipe, and is provided with and subtracts on the first relief pipe
Press mechanism;
First relief pipe is connect with steam main pipe, and main vapour isolating valve and decompression adjusting are provided on the first relief pipe
Valve;The second relief pipe being connected in parallel with the first relief pipe is provided between the steam main pipe and delivery pipe, described second subtracts
Main vapour isolating valve, main steam quick-closing valve, main steam control valve, turbine set and the mechanism of decompressor, the turbine are disposed in pressure pipe
Unit is connected by retarder with generator.
Further, the turbine set includes the multiple turbines being connected in series with, and passes through pipeline phase between adjacent two turbine
Even, and each turbine is connected with drain pipe, and the drain pipe leads to drain tank.
Further, flowmeter and steam strainer are provided on first relief pipe and the second relief pipe.
Further, the mechanism of decompressor of the first relief pipe and the second relief pipe includes desuperheat water pipe, the desuperheat water pipe
One end be connected with the first relief pipe or the second relief pipe, the other end is connected with desuperheating water main pipe, is set on the desuperheat water pipe
It is equipped with Desuperheating water regulating valve.
Further, pressure detecting point is provided in the delivery pipe.
The utility model has the beneficial effects that:Utilize the wheel rotation of the Steam Actuation turbine set of high pressure, turbine set
Electrical power generators, the pressure reduction of steam are driven to enter delivery pipe after adjusting temperature to desired value using the mechanism of decompressor, by
Delivery pipe is delivered to the corresponding steam pipe network of factory.This system realizes pressure by converting the energy of high steam to electric energy
Reduction, the high-grade energy being sufficiently used in steam avoids the energy total loss in pressure process from falling, and electricity can
It is used for factory, reduces electric cost;Since the first relief pipe and the second relief pipe are connected in parallel, when turbine set is shut down
When, the mechanism of decompressor switched on the first original relief pipe can be interlocked and depressurized, the normal supply of steam is not interfered with.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of pressure and temperature reducing formula steam waste heat electricity generation system of the utility model, including 1 He of steam main pipe
First relief pipe 2, first relief pipe 2 are connect with steam main pipe 1, and main 5 He of vapour isolating valve is provided on the first relief pipe 2
Decompression valve 19.First relief pipe 2 leads to delivery pipe 3, and is provided with the mechanism of decompressor on the first relief pipe 2.Steam is female
Pipe 1 is connected with boiler, is mainly used for drawing the high steam in boiler.First relief pipe 2 is connected with steam main pipe 1, passes through
The mechanism of decompressor adjusts the pressure of high steam to desired value, then the steam after decompression is delivered to delivery pipe 3, and delivery pipe 3 will
Steam is delivered to the corresponding steam pipe network of plant area.More first relief pipes 2 and delivery pipe 3 can be set, high steam is decompressed to not
Same pressure value, is then sent to steam pipe networks at different levels.
The second relief pipe 4 being connected in parallel with the first relief pipe 2, institute are provided between the steam main pipe 1 and delivery pipe 3
State be disposed on the second relief pipe 4 on second relief pipe 4 be disposed with main vapour isolating valve 5, main steam quick-closing valve 18,
Main steam control valve 20, turbine set 6 and the mechanism of decompressor, the turbine set 6 are connected by retarder 7 with generator 8.Every
One relief pipe 2, one second relief pipe 4 in parallel, when the turbine set 6 on the second relief pipe 4 works, the decompression tune of the first relief pipe 2
It saves valve 19 to close, pushes the wheel rotation of turbine set 6 to generate electricity using high steam, while the pressure of steam reduces, then
Enter delivery pipe 3 after temperature to be adjusted steam to desired value to by the mechanism of decompressor on the second relief pipe 4, what generator 8 was sent out
Electricity is connected to plant area's system voltage bus section, busbar section by grid-connection cabinet, is used for factory.When turbine set 6 is shut down, main vapour speed is closed
Valve 18 is automatically closed, while interlocking the decompression valve 19 for opening the first relief pipe 2, can be used on the first original relief pipe 2
The mechanism of decompressor depressurized, do not interfere with the normal supply of steam.
The turbine set 6 includes the multiple turbines being connected in series with, and is connected by pipeline between adjacent two turbine, and each
Turbine is connected with drain pipe 9, and the drain pipe 9 leads to drain tank 10.Multiple turbines are set, and the pressure of steam is gradually reduced, has
Conducive to the energy in more abundant recovered steam.The water that steam liquefied generates in turbine is discharged by drain pipe 9.
Flowmeter 11 and steam strainer 12, flowmeter 11 and filter vapour are provided on first relief pipe, 2 and second relief pipe 4
Device 12 is the common components in existing vapour system, is mainly used for controlling steam flow and filters steam.
The mechanism of decompressor of first relief pipe 2 and the second relief pipe 4 include desuperheat water pipe 13, the one of the desuperheat water pipe 13
End is connected with the first relief pipe 2 or the second relief pipe 4, and the other end is connected with desuperheating water main pipe 14, on the desuperheat water pipe 13
It is provided with Desuperheating water regulating valve 15.Desuperheating water main pipe 14 and it is connected to plant area's high pressure desuperheating water, the lower water of temperature is passed through steam
In after absorb steam heat, itself evaporation, the pressure reduction of steam, by Desuperheating water regulating valve 15 control water intake,
To control the temperature and pressure of steam.
Pressure detecting point 16 is provided in the delivery pipe 3, whether the pressure for detecting steam is up to standard.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of pressure and temperature reducing formula steam waste heat electricity generation system, including steam main pipe (1) and the first relief pipe (2), described first
Relief pipe (2) leads to delivery pipe (3), and is provided with the mechanism of decompressor on the first relief pipe (2);It is characterized in that:
First relief pipe (2) connect with steam main pipe (1), and be provided on the first relief pipe (2) main vapour isolating valve (5) and
Decompression valve (19);It is provided between the steam main pipe (1) and delivery pipe (3) and is connected in parallel with the first relief pipe (2)
Second relief pipe (4) is disposed with main vapour isolating valve (5), main steam quick-closing valve (18), main vapour on second relief pipe (4)
Regulating valve (20), turbine set (6) and the mechanism of decompressor, the turbine set (6) are connected by retarder (7) with generator (8).
2. a kind of pressure and temperature reducing formula steam waste heat electricity generation system as described in claim 1, it is characterised in that:The turbine set
(6) include the multiple turbines being connected in series with, be connected by pipeline between adjacent two turbine, and each turbine is connected with drain pipe
(9), the drain pipe (9) leads to drain tank (10).
3. a kind of pressure and temperature reducing formula steam waste heat electricity generation system as described in claim 1, it is characterised in that:First decompression
It is provided with flowmeter (11) and steam strainer (12) on pipe (2) and the second relief pipe (4).
4. a kind of pressure and temperature reducing formula steam waste heat electricity generation system as claimed in claim 1,2 or 3, it is characterised in that:First subtracts
The mechanism of decompressor of pressure pipe (2) and the second relief pipe (4) includes desuperheat water pipe (13), one end of the desuperheat water pipe (13) and the
One relief pipe (2) or the second relief pipe (4) are connected, and the other end is connected with desuperheating water main pipe (14), the desuperheat water pipe (13)
On be provided with Desuperheating water regulating valve (15).
5. a kind of pressure and temperature reducing formula steam waste heat electricity generation system as described in claim 1, it is characterised in that:The delivery pipe
(3) pressure detecting point (16) is provided on.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721726372.8U CN207740054U (en) | 2017-12-12 | 2017-12-12 | A kind of pressure and temperature reducing formula steam waste heat electricity generation system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721726372.8U CN207740054U (en) | 2017-12-12 | 2017-12-12 | A kind of pressure and temperature reducing formula steam waste heat electricity generation system |
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Publication Number | Publication Date |
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CN207740054U true CN207740054U (en) | 2018-08-17 |
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CN201721726372.8U Expired - Fee Related CN207740054U (en) | 2017-12-12 | 2017-12-12 | A kind of pressure and temperature reducing formula steam waste heat electricity generation system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109990202A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A pressure regulating system and method for power generation based on steam residual pressure |
CN114352364A (en) * | 2021-07-22 | 2022-04-15 | 杭州绿能环保发电有限公司 | Main steam temperature control device |
-
2017
- 2017-12-12 CN CN201721726372.8U patent/CN207740054U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109990202A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A pressure regulating system and method for power generation based on steam residual pressure |
CN114352364A (en) * | 2021-07-22 | 2022-04-15 | 杭州绿能环保发电有限公司 | Main steam temperature control device |
CN114352364B (en) * | 2021-07-22 | 2023-11-21 | 杭州绿能环保发电有限公司 | Main steam temperature control device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 |
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CF01 | Termination of patent right due to non-payment of annual fee |