CN108533335A - A kind of big bypass reheat unit neighbour machine heating system of level-one - Google Patents
A kind of big bypass reheat unit neighbour machine heating system of level-one Download PDFInfo
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- CN108533335A CN108533335A CN201810524842.5A CN201810524842A CN108533335A CN 108533335 A CN108533335 A CN 108533335A CN 201810524842 A CN201810524842 A CN 201810524842A CN 108533335 A CN108533335 A CN 108533335A
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- vapour
- pipeline
- electrically operated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D13/00—Combinations of two or more machines or engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/10—Heating, e.g. warming-up before starting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Abstract
The present invention relates to heating system technical field, especially a kind of big bypass reheat unit neighbour machine heating system of level-one.It includes #1 units, #2 units and contact electrically operated gate, #1 units are connected with #2 units through pipeline, contact electrically operated gate is provided on the pipeline that #1 units are connected with #2 units, #1 units include adding cold section of steam supply section of vapour section and #1 through the #1 high that pipeline connects, and #2 units include adding cold section of steam supply section of vapour section and #2 through the #2 high that pipeline connects.It realizes the adjacent machine heating of two units, pre-warm is carried out to high pressure cylinder, the hot and cold segment pipe connected with reheater to intermediate pressure cylinder has carried out sufficient heating, to make intermediate pressure cylinder cooperation high pressure cylinder carry out red switch to the rotor of steam turbine, while reducing unit starting time and energy consumption, the operational safety of unit has also been ensured.
Description
Technical field
The present invention relates to big power station's technical field of power systems, especially a kind of big bypass reheat unit neighbour's machine of level-one
Heating system.
Background technology
With socio-economic development, the consumption of resource is increasing, the destruction getting worse of environment, in order to preferably corresponding
The strategic objective of the high-efficient development of national energy conservation and emission reduction consumption reduction, thermal power plant are also required to more be saved in unit running process
The improvement that can be lowered consumption.Certain thermal power plant's Generator Set uses two-shipper group, exists and starts time length, steam turbine startup energy consumption
The problems such as big, and since bypath system is using level-one hp by-pass system, unit starting demand can only be met, in boiler
To before steam turbine red switch after igniting, reheater is in no steam dry combustion method stage, although belong to reheater is related to allowable range
It is interior, but still larger damage is caused to reheater, in addition, after unit routinely starts red switch, high pressure cylinder exhaust steam flow compared with
Low, because the hot and cold segment pipe of reheating is longer, the reheat steam temperature into intermediate pressure cylinder is relatively low, and the shaft vibration at intermediate pressure cylinder both ends is larger,
It causes the available machine time to extend, increases unit starting expense, influence unit operation safety.Therefore unit can be reduced by designing one kind
Start time and energy consumption and reinforce the scheme of generator protection and is even more important.
Invention content
The object of the present invention is to provide a kind of big bypass reheat unit neighbour machine heating systems of level-one, realize two units
The heating of adjacent machine, pre-warm is carried out to high pressure cylinder, the hot and cold segment pipe connected with reheater to intermediate pressure cylinder adequately heated,
To make intermediate pressure cylinder cooperation high pressure cylinder carry out red switch to the rotor of steam turbine, while reducing unit starting time and energy consumption,
Also the operational safety of unit has been ensured.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of big bypass reheat unit neighbour machine heating system of level-one, including #1 units, #2 units and contact electrically operated gate, institute
It states #1 units to connect through pipeline with #2 units, contact electrically operated gate, institute is provided on the pipeline that the #1 units are connected with #2 units
It includes adding cold section of steam supply section of vapour section and #1 through the #1 high that pipeline connects to state #1 units, and #2 units include the #2 high connected through pipeline
Add cold section of steam supply section of vapour section and #2.
The big bypass reheat unit neighbour machine heating system of level-one above-mentioned, the #1 units further include being pressed in #1 high pressure cylinders, #1
Cylinder and #1 reheaters, the #1 high pressure cylinders and #1 intermediate pressure cylinders are coaxially connected, the #1 reheaters through pipeline respectively with #1 high pressure cylinders
Venthole connected with the air intake of #1 intermediate pressure cylinders, the pipeline that the #1 reheaters are connect with #1 high pressure cylinder ventholes be #1 reheating
Cold segment pipe, the pipeline that the #1 reheaters are connect with the air intake of #1 intermediate pressure cylinders are #1 reheating hot pipes, the #1 reheating
Cold segment pipe is added cold section of steam supply section of vapour section and #1 with #1 high and is connected respectively；The #2 units further include being pressed in #2 high pressure cylinders, #2
Cylinder and #2 reheaters, the #2 high pressure cylinders and #2 intermediate pressure cylinders are coaxially connected, the #2 reheaters through pipeline respectively with #2 high pressure cylinders
Venthole connected with the air intake of #2 intermediate pressure cylinders, the pipeline that the #2 reheaters are connect with #2 high pressure cylinder ventholes be #2 reheating
Cold segment pipe, the pipeline that the #2 reheaters are connect with the air intake of #2 intermediate pressure cylinders are #2 reheating hot pipes, the #2 reheating
Cold segment pipe is added cold section of steam supply section of vapour section and #2 with #2 high and is connected respectively.
The big bypass reheat unit neighbour machine heating system of level-one above-mentioned, it includes that #1 machine 2A high pressures add that the #1 high, which adds vapour section,
Hot device, #1 machine 2B high-pressure heaters, #1 high add the manual isolating door of vapour, #1 high adds vapour and adjusts door and #1 high to add vapour electronic
Door, the #1 high adds the manual isolating door of vapour, #1 high adds vapour adjusting door and #1 high adds vapour electrically operated gate and is sequentially connected with through pipeline,
The #1 high add the manual isolating door of vapour through pipeline respectively with #1 machine 2A high-pressure heaters, #1 machine 2B high-pressure heaters and #1 reheating
Cold segment pipe, the #1 high are added and are additionally provided with #1 machines 2A on the pipeline that the manual isolating door of vapour is connect with #1 machine 2A high-pressure heaters
Height adds vapour non-return flap, and the #1 high is added to be also set up on the pipeline that the manual isolating door of vapour is connect with #1 machine 2B high-pressure heaters
There is #1 machines 2B high to add vapour non-return flap, the #1 high is added on the pipeline that the manual isolating door of vapour is connected with #1 reheating cold segment pipes also
Be provided with #1 machines two take out non-return flap, the #1 high add vapour electrically operated gate through three-way pipe respectively with contact cold section of steam supply of electrically operated gate and #1
Section connection.
The big bypass reheat unit neighbour machine heating system of level-one above-mentioned, cold section of steam supply section of the #1 includes being connected through pipeline
The external steam supply electrically operated gates of #1, the manual isolating doors of #1 and small machine, the external steam supply electrically operated gate of the #1 and the manual isolating doors of #1 are through pipe
Road is sequentially connected with, and the external steam supply electrically operated gates of #1 add vapour electrically operated gate through three-way pipe with #1 high respectively and contact electrically operated gate connects
It connects, the manual isolating doors of #1 are connect with #1 reheating cold segment pipe and small machine respectively through three-way pipe.
The big bypass reheat unit neighbour machine heating system of level-one above-mentioned further includes that the pre-warm of #1 intermediate pressure cylinders adjusts door, institute into vapour
The pre-warm of #1 intermediate pressure cylinders is stated to be arranged in parallel with the external steam supply electrically operated gates of #1 into vapour adjusting door.
The big bypass reheat unit neighbour machine heating system of level-one above-mentioned, it includes that #2 machine 2A high pressures add that the #2 high, which adds vapour section,
Hot device, #2 machine 2B high-pressure heaters, #2 high add the manual isolating door of vapour, #2 high adds vapour and adjusts door and #2 high to add vapour electronic
Door, the #2 high adds the manual isolating door of vapour, #2 high adds vapour adjusting door and #2 high adds vapour electrically operated gate and is sequentially connected with through pipeline,
The #2 high add the manual isolating door of vapour through pipeline respectively with #2 machine 2A high-pressure heaters, #2 machine 2B high-pressure heaters and #2 reheating
Cold segment pipe connects, and the #2 high is added and is additionally provided with #2 on the pipeline that the manual isolating door of vapour is connect with #2 machine 2A high-pressure heaters
Machine 2A high adds vapour non-return flap, and the #2 high is added also to be set on the pipeline that the manual isolating door of vapour is connect with #2 machine 2B high-pressure heaters
It is equipped with #2 machines 2B high and adds vapour non-return flap, the #2 high is added on the pipeline that the manual isolating door of vapour is connect with #2 reheating cold segment pipes
It is additionally provided with #2 machines two and takes out non-return flap, the #2 high adds vapour electrically operated gate and supplied respectively with contact electrically operated gate and cold section of #2 through three-way pipe
Vapour section connects.
The big bypass reheat unit neighbour machine heating system of level-one above-mentioned, cold section of steam supply section of the #2 include the external steam supply electricity of #2
Dynamic door and the manual isolating doors of #2, the external steam supply electrically operated gates of #2 are connected with the manual isolating doors of #2 through pipeline, and the #2 is externally supplied
Vapour electrically operated gate adds vapour electrically operated gate through three-way pipe with #2 high respectively and contact electrically operated gate is connect, and the manual isolating doors of #2 are through threeway
Pipe is connect with #2 reheating cold segment pipe and small machine respectively.
The big bypass reheat unit neighbour machine heating system of level-one above-mentioned further includes that the pre-warm of #2 intermediate pressure cylinders adjusts door, institute into vapour
The pre-warm of #2 intermediate pressure cylinders is stated to be arranged in parallel with the external steam supply electrically operated gates of #2 into vapour adjusting door.
Compared with prior art, the invention has the beneficial effects that：
1) present invention realizes the adjacent machine of two units by providing a kind of big bypass reheat unit neighbour machine heating system of level-one
Heating carries out pre-warm to high pressure cylinder, and the hot and cold segment pipe connected with reheater to intermediate pressure cylinder has carried out sufficient heating, to
Make intermediate pressure cylinder cooperation high pressure cylinder carry out red switch to the rotor of steam turbine also to protect while reducing unit starting time and energy consumption
The operational safety of unit is hindered；
2) vapour adjusting door is added by adding vapour section setting height in the height of two units so that in input high-pressure heater
The vapour amount for heating steam is controllable, can adjust high plus leaving water temperature at any time and meet unit starting requirement；By in two units
Cold section of steam supply section is arranged intermediate pressure cylinder pre-warm and adjusts door into vapour, so as to the hot and cold segment pipe of intermediate pressure cylinder, reheater connection
Homogeneous heating is controllable, is orderly carried out to the preheating of high pressure cylinder, is conducive to the safe start-up temperature for reaching intermediate pressure cylinder；
3) by adding vapour section in height while being arranged that height adds the manual isolating door of vapour and height adds vapour electrically operated gate so that machine
Group can be reliably isolated into vapour；By making neighbour in the cold section of steam supply section external steam supply electrically operated gate of setting and manual isolating door
The steam that machine provides can be reliably isolated.
4) by being arranged into vapour non-return flap in pipeline where high-pressure heater and steam turbine so that high-pressure heater and steamer
Machine will not lead to mechanical disorder since steam reverses.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of #1 units in the present invention；
Fig. 3 is the structural schematic diagram of #2 units in the present invention.
The meaning of reference numeral：1-#1 units, 2-#2 units, 3- get in touch with electrically operated gate, and 4-#1 high adds vapour section, cold section of 5-#1
Steam supply section, 6-#2 high add vapour section, cold section of steam supply section of 7-#2, and 8-#1 high adds the manual isolating door of vapour, and 9-#1 high adds vapour adjusting
Door, 10-#1 high add vapour electrically operated gate, and 11-#1 machine 2A high-pressure heaters, 12-#1 machine 2B high-pressure heaters, 13-#1 machines two are taken out inverse
Only door, the external steam supply electrically operated gates of 14-#1, the manual isolating doors of 15-#1,16-#1 reheating cold segment pipes, 17- small machines are pressed in 18-#1
Cylinder pre-warm adjusts door into vapour, and 19-#2 high adds the manual isolating door of vapour, and 20-#2 high adds vapour and adjusts door, and 21-#2 high adds vapour electricity
Dynamic door, 22-#2 machine 2A high-pressure heaters, 23-#2 machine 2B high-pressure heaters, 24-#2 machines 2A high add vapour non-return flap, 25-#2 machines
2B high adds vapour non-return flap, and 26-#2 machines two take out non-return flap, the external steam supply electrically operated gates of 27-#2, the manual isolating doors of 28-#2,29-#2
Reheating cold segment pipe, the pre-warm of 30-#2 intermediate pressure cylinders into vapour adjust door, 31-#1 high pressure cylinders, 32-#1 intermediate pressure cylinders, 33-#1 reheaters,
34-#1 reheating hot pipes, 35-#2 high pressure cylinders, 36-#2 intermediate pressure cylinders, 37-#2 reheaters, 38-#2 reheating hot pipes, 39-#1
Machine 2A high adds vapour non-return flap, and 40-#1 machines 2B high adds vapour non-return flap.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Specific implementation mode
The embodiment of the present invention 1：A kind of big bypass reheat unit neighbour machine heating system of level-one is constituted as shown in Figure 1-Figure 3,
It is connected through pipeline with #2 units 2 including #1 units 1, #2 units 2 and contact electrically operated gate 3, the #1 units 1, the #1 units 1
Contact electrically operated gate 3 is provided on the pipeline connected with #2 units 2, the #1 units 1 include adding vapour through the #1 high that pipeline connects
Section cold section of steam supply section 5 of 4 and #1, #2 units 2 include adding cold section of steam supply section 7 of vapour section 6 and #2 through the #2 high that pipeline connects,
The contact electrically operated gate 3 can control the connection of #1 units 1 and #2 units 2 so that #1 high adds vapour section 4 can be to #2
Cold section of steam supply section 7 carries out steam supply, and #2 high, which adds vapour section 6, to carry out steam supply to cold section of steam supply section 5 of #1.
The #1 units 1 further include #1 high pressure cylinders 31, #1 intermediate pressure cylinders 32 and #1 reheaters 33, the #1 high pressure cylinders 31 and #1
Intermediate pressure cylinder 32 is coaxially connected, the #1 reheaters 33 through pipeline respectively with the venthole of #1 high pressure cylinders 31 and #1 intermediate pressure cylinders 32 into
Steam ports connects, and the pipeline that the #1 reheaters 33 are connect with 31 venthole of #1 high pressure cylinders is #1 reheating cold segment pipe 16, the #1
The pipeline that reheater 33 is connect with the air intake of #1 intermediate pressure cylinders 32 is #1 reheating hot pipes 34, the #1 reheating cold segment pipe 16
Cold section of steam supply section 5 of vapour section 4 and #1 is added with #1 high respectively to connect；The #2 units 2 further include #2 high pressure cylinders 35, #2 intermediate pressure cylinders 36
With #2 reheaters 37, the #2 high pressure cylinders 35 and #2 intermediate pressure cylinders 36 are coaxially connected, the #2 reheaters 37 through pipeline respectively with #2
The venthole of high pressure cylinder 35 is connected with the air intake of #2 intermediate pressure cylinders 36, and the #2 reheaters 37 are connect with 35 venthole of #2 high pressure cylinders
Pipeline be #2 reheating cold segment pipe 29, the pipeline that the #2 reheaters 37 are connect with the air intake of #2 intermediate pressure cylinders 36 be #2 reheating
Hot arc pipeline 38, the #2 reheating cold segment pipe 29 are added cold section of steam supply section 7 of vapour section 6 and #2 with #2 high and are connected respectively.
The #1 high adds vapour section 4 and adds vapour including #1 machine 2A high-pressure heaters 11, #1 machine 2B high-pressure heaters 12, #1 high
Manual isolating door 8, #1 high add vapour adjusting door 9 and #1 high adds vapour electrically operated gate 10, and the #1 high adds the manual isolating door 8 of vapour, #
1 height, which adds vapour and adjusts door 9 and #1 high, to be added vapour electrically operated gate 10 and is sequentially connected with through pipeline, and the #1 high adds the manual isolating door of vapour 8
It is connect respectively with #1 machine 2A high-pressure heaters 11, #1 machine 2B high-pressure heaters 12 and #1 reheating cold segment pipe 16 through pipeline, the #
1 height, which is added, to be additionally provided with #1 machines 2A high to add vapour inverse on the pipeline that the manual isolating door of vapour 8 is connect with #1 machine 2A high-pressure heaters 11
Only door 39, the #1 high are added and are additionally provided with #1 machines on the pipeline that the manual isolating door of vapour 8 is connect with #1 machine 2B high-pressure heaters 12
2B high adds vapour non-return flap 40, and the #1 high is added on the pipeline that the manual isolating door 8 of vapour and #1 reheating cold segment pipe 16 connect also
It is provided with #1 machines two and takes out non-return flap 13, it is cold with contact electrically operated gate 3 and #1 respectively through three-way pipe that the #1 high adds vapour electrically operated gate 10
Section steam supply section 5 connects, and #1 high, which adds vapour adjusting door 9, can control input #1 machine 2A high-pressure heaters 11, #1 machine 2B hyperbaric heatings
The throttle flow of device 12, #1 high add the manual isolating door 8 of vapour and #1 high add vapour electrically operated gate 10 can be respectively by manual and electronic
Control into vapour whether, the #1 machines two of setting take out non-return flap 13 and have ensured that steam turbine will not generate failure since steam reverses.
Cold section of steam supply section 5 of the #1 includes the external steam supply electrically operated gates 14 of #1 connected through pipeline, the pre-warm of #1 intermediate pressure cylinders into vapour
Adjust door 18, the manual isolating doors 15 of #1 and small machine 17, the external steam supply electrically operated gate 14 of the #1 and the manual isolating doors of #1 15 are through pipeline
It is sequentially connected with, the external steam supply electrically operated gates 14 of #1 add vapour electrically operated gate 10 and contact electrically operated gate 3 through three-way pipe with #1 high respectively
Connection, the manual isolating doors 15 of #1 are connect with #1 reheating cold segment pipe 16 and small machine 17 respectively through three-way pipe, and the #1 is external
Steam supply electrically operated gate 14 and the manual isolating doors of #1 15 can be realized to adjacent machine for starting heating vapour.The #1 intermediate pressure cylinders pre-warm is into vapour
Adjust 15 pairs of door 18, the manual isolating doors of #1 #1 high pressure cylinders 31, #1 intermediate pressure cylinders 32, #1 reheaters being connect with cold section of steam supply section 5 of #1
33, the heating of #1 reheating cold segment pipe 16 and #1 reheating hot pipes 34 carries out stability contorting, is conducive to the quick startup of unit
The #2 high adds vapour section 6 and adds vapour including #2 machine 2A high-pressure heaters 22, #2 machine 2B high-pressure heaters 23, #2 high
Manual isolating door 19, #2 high add vapour adjusting door 20 and #2 high adds vapour electrically operated gate 21, and the #2 high adds the manual isolating door of vapour
19, #2 high, which adds vapour and adjusts door 20 and #2 high, adds vapour electrically operated gate 21 and is sequentially connected with through pipeline, the #2 high add vapour manually every
Connect respectively with #2 machine 2A high-pressure heaters 22, #2 machine 2B high-pressure heaters 23 and #2 reheating cold segment pipe 29 through pipeline from door 19
It connects, the #2 high is added and is additionally provided with #2 machines 2A high on the pipeline that the manual isolating door of vapour 19 is connect with #2 machine 2A high-pressure heaters 22
Add vapour non-return flap 24, the #2 high is added to be also set up on the pipeline that the manual isolating door of vapour 19 is connect with #2 reheating cold segment pipe 29
There is #2 machines 2B high to add vapour non-return flap 25, the #2 high adds the pipe that the manual isolating door of vapour 19 is connect with No. 2 high-pressure heaters 12
Be additionally provided on road #2 machines two take out non-return flap 26, the #2 high add vapour electrically operated gate 21 through three-way pipe respectively with contact electrically operated gate 3
It is connected with cold section of steam supply section 7 of #2, the #2 high, which adds vapour adjusting door 20, can control input #2 machine 2A high-pressure heaters 22 and #2
The throttle flow of machine 2B high-pressure heaters 23, #2 high adds the manual isolating door 19 of vapour and #2 high adds vapour electrically operated gate 21 and can lead to respectively
Whether mistake manually with electronic control into vapour；And the #2 machines 2A high being arranged adds vapour non-return flap 24, #2 machines 2B high adds vapour check
25 and #2 of door machines two take out non-return flap 26 so that high-pressure heater will not generate failure since steam reverses.
Cold section of steam supply section 7 of the #2 adjusts door 30 and #2 including the external steam supply electrically operated gates 27 of #2, the pre-warm of #2 intermediate pressure cylinders into vapour
Manual isolating door 28, the manual isolating door of the external steam supply electrically operated gates 27 of #2 and #2 28 are connected through pipeline, the external steam supplies of #2
Electrically operated gate 27 adds vapour electrically operated gate 21 through three-way pipe with #2 high respectively and contact electrically operated gate 3 is connect, the manual isolating door of the #2 28
It is connect respectively with #2 reheating cold segment pipe 29 and small machine 17 through three-way pipe, the external steam supply electrically operated gate 27 of the #2 and #2 are isolated manually
Door 28 enables to realize to adjacent machine for starting heating vapour；The manual isolating door 28 of the #2 and the pre-warm of #2 intermediate pressure cylinders are adjusted into vapour
30 pairs of #2 reheating cold segment pipe 29, #2 high pressure cylinders 35, #2 intermediate pressure cylinders 36, #2 reheaters 37 being connect with cold section of steam supply section 7 of #2 of door
Heating with #1 reheating hot pipes 34 carries out stability contorting, is conducive to the quick startup of unit.
The big bypass reheat unit neighbour machine heating system of level-one further includes that the pre-warm of #2 intermediate pressure cylinders adjusts door 30, institute into vapour
It states the pre-warm of #2 intermediate pressure cylinders and adjusts the external steam supply electrically operated gates of door 30 and #2 27 into vapour and be arranged in parallel, the #2 intermediate pressure cylinders pre-warm is into vapour tune
Section door 30 so that the evaporation capacity for engine of #2 reheating cold segment pipe 29 is strictly controlled, to protect #2 high pressure cylinders 35, #2 intermediate pressure cylinders
36 and #2 reheaters 37 do not exceed the defined rate of heat addition.
Embodiment 2：A kind of big bypass reheat unit neighbour machine heating system of level-one is constituted as shown in Figure 1-Figure 3, including #1 machines
Group 1, #2 units 2 and contact electrically operated gate 3, the #1 units 1 are connected with #2 units 2 through pipeline, the #1 units 1 and #2 units 2
Contact electrically operated gate 3 is provided on the pipeline of connection, the #1 units 1 include adding vapour section 4 through the #1 high that pipeline connects and #1 is cold
Section steam supply section 5, #2 units 2 include adding cold section of steam supply section 7 of vapour section 6 and #2, the contact electrically operated gate 3 through the #2 high that pipeline connects
The connection of #1 units 1 and #2 units 2 can be controlled so that cold section of steam supply section 5 of #1 can carry out #2 units 2 steam supply, cold section of confession of #2
Vapour section 7 can carry out steam supply to #1 units 1.
The #1 units 1 further include #1 high pressure cylinders 31, #1 intermediate pressure cylinders 32 and #1 reheaters 33, the #1 high pressure cylinders 31 and #1
Intermediate pressure cylinder 32 is coaxially connected, the #1 reheaters 33 through pipeline respectively with the venthole of #1 high pressure cylinders 31 and #1 intermediate pressure cylinders 32 into
Steam ports connects, and the pipeline that the #1 reheaters 33 are connect with 31 venthole of #1 high pressure cylinders is #1 reheating cold segment pipe 16, the #1
The pipeline that reheater 33 is connect with the air intake of #1 intermediate pressure cylinders 32 is #1 reheating hot pipes 34, the #1 reheating cold segment pipe 16
Cold section of steam supply section 5 of vapour section 4 and #1 is added with #1 high respectively to connect；The #2 units 2 further include #2 high pressure cylinders 35, #2 intermediate pressure cylinders 36
With #2 reheaters 37, the #2 high pressure cylinders 35 and #2 intermediate pressure cylinders 36 are coaxially connected, the #2 reheaters 37 through pipeline respectively with #2
The venthole of high pressure cylinder 35 is connected with the air intake of #2 intermediate pressure cylinders 36, and the #2 reheaters 37 are connect with 35 venthole of #2 high pressure cylinders
Pipeline be #2 reheating cold segment pipe 29, the pipeline that the #2 reheaters 37 are connect with the air intake of #2 intermediate pressure cylinders 36 be #2 reheating
Hot arc pipeline 38, the #2 reheating cold segment pipe 29 are added cold section of steam supply section 7 of vapour section 6 and #2 with #2 high and are connected respectively.
The #1 high adds vapour section 4 and adds vapour including #1 machine 2A high-pressure heaters 11, #1 machine 2B high-pressure heaters 12, #1 high
Manual isolating door 8, #1 high add vapour adjusting door 9 and #1 high adds vapour electrically operated gate 10, and the #1 high adds the manual isolating door 8 of vapour, #
1 height, which adds vapour and adjusts door 9 and #1 high, to be added vapour electrically operated gate 10 and is sequentially connected with through pipeline, and the #1 high adds the manual isolating door of vapour 8
It is connect respectively with #1 machine 2A high-pressure heaters 11, #1 machine 2B high-pressure heaters 12 and #1 reheating cold segment pipe 16 through pipeline, the #
1 height, which is added, to be additionally provided with #1 machines 2A high to add vapour inverse on the pipeline that the manual isolating door of vapour 8 is connect with #1 machine 2A high-pressure heaters 11
Only door 39, the #1 high are added and are additionally provided with #1 machines on the pipeline that the manual isolating door of vapour 8 is connect with #1 machine 2B high-pressure heaters 12
2B high adds vapour non-return flap 40, and the #1 high is added on the pipeline that the manual isolating door 8 of vapour and #1 reheating cold segment pipe 16 connect also
It is provided with #1 machines two and takes out non-return flap 13, it is cold with contact electrically operated gate 3 and #1 respectively through three-way pipe that the #1 high adds vapour electrically operated gate 10
Section steam supply section 5 connects, and #1 high, which adds vapour adjusting door 9, can control input #1 machine 2A high-pressure heaters 11, #1 machine 2B hyperbaric heatings
12 throttle flow of device, #1 high add the manual isolating door 8 of vapour and #1 high add vapour electrically operated gate 10 can be respectively by manual and electronic
Whether control into vapour, the #1 machines two of setting take out non-return flap 13 and have ensured that steam turbine will not generate failure since steam reverses.
Cold section of steam supply section 5 of the #1 includes the external steam supply electrically operated gates 14 of #1 connected through pipeline, the pre-warm of #1 intermediate pressure cylinders into vapour
Adjust door 18, the manual isolating doors 15 of #1 and small machine 17, the external steam supply electrically operated gate 14 of the #1 and the manual isolating doors of #1 15 are through pipeline
It is sequentially connected with, the external steam supply electrically operated gates 14 of #1 add vapour electrically operated gate 10 and contact electrically operated gate 3 through three-way pipe with #1 high respectively
Connection, the manual isolating doors 15 of #1 are connect with #1 reheating cold segment pipe 16 and small machine 17 respectively through three-way pipe, and the #1 is external
Steam supply electrically operated gate 14 and the manual isolating doors of #1 15 can be realized to adjacent machine for starting heating vapour；The #1 intermediate pressure cylinders pre-warm is into vapour
Door 18, the manual isolating doors 15 of #1 are adjusted so that pair the #1 reheating cold segment pipe 16, the #1 high pressure cylinders that are connect with cold section of steam supply section 5 of #1
31, the heating of #1 intermediate pressure cylinders 32, #1 reheaters 33 and #2 reheating hot pipes 38 carries out stability contorting, is conducive to the quick of unit
Start.
The big bypass reheat unit neighbour machine heating system of level-one further includes that the pre-warm of #1 intermediate pressure cylinders adjusts door 18, institute into vapour
It states the pre-warm of #1 intermediate pressure cylinders and adjusts the external steam supply electrically operated gates of door 18 and #1 14 into vapour and be arranged in parallel, the #1 intermediate pressure cylinders pre-warm is into vapour tune
Section door 18 so that the evaporation capacity for engine of #1 reheating cold segment pipe 16 is controlled, to protect #1 high pressure cylinders 31, #1 intermediate pressure cylinders 32
The defined rate of heat addition is not exceeded with #1 reheaters 33.
The #2 high adds vapour section 6 and adds vapour including #2 machine 2A high-pressure heaters 22, #2 machine 2B high-pressure heaters 23, #2 high
Manual isolating door 19, #2 high add vapour adjusting door 20 and #2 high adds vapour electrically operated gate 21, and the #2 high adds the manual isolating door of vapour
19, #2 high, which adds vapour and adjusts door 20 and #2 high, adds vapour electrically operated gate 21 and is sequentially connected with through pipeline, the #2 high add vapour manually every
Connect respectively with #2 machine 2A high-pressure heaters 22, #2 machine 2B high-pressure heaters 23 and #2 reheating cold segment pipe 29 through pipeline from door 19
It connects, the #2 high is added and is additionally provided with #2 machines 2A high on the pipeline that the manual isolating door of vapour 19 is connect with #2 machine 2A high-pressure heaters 22
Add vapour non-return flap 24, the #2 high is added to be also set up on the pipeline that the manual isolating door of vapour 19 is connect with #2 reheating cold segment pipe 29
There is #2 machines 2B high to add vapour non-return flap 25, the #2 high adds the pipe that the manual isolating door of vapour 19 is connect with No. 2 high-pressure heaters 12
Be additionally provided on road #2 machines two take out non-return flap 26, the #2 high add vapour electrically operated gate 21 through three-way pipe respectively with contact electrically operated gate 3
It is connected with cold section of steam supply section 7 of #2, the #2 high adds vapour adjusting door 20 and can control to input #2 machine 2A high-pressure heaters 22 and #
The throttle flow of 2 machine 2B high-pressure heaters 23, #2 high adds the manual isolating door 19 of vapour and #2 high adds vapour electrically operated gate 21 and can distinguish
Whether by manual and electronic control into vapour；And the #2 machines 2A high being arranged adds that vapour non-return flap 24, that #2 machines 2B high adds vapour is inverse
Only door 25 and #2 machines two take out non-return flap 26 so that high-pressure heater will not generate failure since steam reverses.
Cold section of steam supply section 7 of the #2 adjusts door 30 and #2 including the external steam supply electrically operated gates 27 of #2, the pre-warm of #2 intermediate pressure cylinders into vapour
Manual isolating door 28, the manual isolating door of the external steam supply electrically operated gates 27 of #2 and #2 28 are connected through pipeline, the external steam supplies of #2
Electrically operated gate 27 adds vapour electrically operated gate 21 through three-way pipe with #2 high respectively and contact electrically operated gate 3 is connect, the manual isolating door of the #2 28
It is connect respectively with #2 reheating cold segment pipe 29 and small machine 17 through three-way pipe, the external steam supply electrically operated gate 27 of the #2 and #2 are isolated manually
Door 28 enables to realize to adjacent machine for starting heating vapour；The external steam supply electrically operated gate 27 of the #2 and the pre-warm of #2 intermediate pressure cylinders are into vapour
Adjust 30 pairs of door connect with cold section of steam supply section 7 of #2 #2 reheating cold segment pipe 29, #2 high pressure cylinders 35, #2 intermediate pressure cylinders 36, #2 reheating
The heating of device 37 and #1 reheating hot pipes 34 carries out stability contorting, is conducive to the quick startup of unit.
The big bypass reheat unit neighbour machine heating system of level-one further includes that the pre-warm of #2 intermediate pressure cylinders adjusts door 30, institute into vapour
It states the pre-warm of #2 intermediate pressure cylinders and adjusts the external steam supply electrically operated gates of door 30 and #2 27 into vapour and be arranged in parallel, the #2 intermediate pressure cylinders pre-warm is into vapour tune
Section door 30 so that the evaporation capacity for engine of #2 reheating cold segment pipe 29 is strictly controlled, to protect #2 high pressure cylinders 35, #2 intermediate pressure cylinders
36 and #2 reheaters 37 do not exceed the defined rate of heat addition.
The operation principle of the present invention：The present invention leads to the #1 units 1 that cold section of steam supply section 5 of vapour section 4 and #1 is added including #1 high
It crosses contact electrically operated gate 3 and connect to form a kind of big side of level-one with the #2 units 2 for adding cold section of steam supply section 7 of vapour section 6 and #2 including #2 high
Road reheating embrittlement neighbour's machine heating system realizes the adjacent machine heating of two units, pre-warm is carried out to high pressure cylinder, to intermediate pressure cylinder and reheating
The hot and cold segment pipe of device connection is adequately heated, to make intermediate pressure cylinder cooperation high pressure cylinder rush the rotor of steam turbine
Turn, while reducing unit starting time and energy consumption, has also ensured the operational safety of unit.The contact electrically operated gate 3 can
Control the connection of #1 units 1 and #2 units 2 so that the steam in #1 reheating cold segment pipes passes through cold section of #1 5 pairs of steam supply section #2 machines
Group 2 carries out steam supply so that #2 reheating cold segment pipe 29, #2 high pressure cylinders 35, #2 intermediate pressure cylinders 36, #2 reheaters 37 in #2 units 2
It is heated with #1 reheating hot pipes 34, #2 machine 2A high-pressure heaters 22, #2 machine 2B high-pressure heaters 23；Make #2 reheating
Steam in cold segment pipe carries out steam supply by cold section of #2 7 pairs of steam supply section #1 units 1 so that cold section of the #1 reheating in #1 units 1
Pipeline 16, #1 high pressure cylinders 31, #1 intermediate pressure cylinders 32, #1 reheaters 33 and #2 reheating hot pipes 38, #1 machine 2A high-pressure heaters
11, #1 machines 2B high-pressure heaters 12 are heated；When cold section of #1 5 pairs of steam supply section #2 units 2 carry out steam supply, #1 high adds vapour
4 all valves of section are closed, and contact electrically operated gate 3 is opened, and the external steam supply electrically operated gates 14 of #1 of the cold section of steam supply section 5 of #1, #1 are manual
Isolating door 15 is opened, and the #2 intermediate pressure cylinders pre-warm of cold section of steam supply section 7 of the #2 adjusts door 30 into vapour and the manual isolating doors 28 of #2 are opened,
And #2 high adds vapour adjusting door 20 and the pre-warm of #2 intermediate pressure cylinders and is adjusted respectively to carrying out vapour into vapour adjusting door 30；When cold section of confession of #2
Vapour section 7 can carry out #1 units 1 steam supply, and #2 high adds the closing of 6 all valves of vapour section, and contact electrically operated gate 3 is opened, cold section of the #2
The manual isolating door 28 of the external steam supply electrically operated gates 27 of #2 and #2 of steam supply section 7 is opened, the external steam supplies of #1 of the cold section of steam supply section 5 of #1
Electrically operated gate 14 and the pre-warm of #1 intermediate pressure cylinders adjust door 18 into vapour and open, and #1 high add vapour adjust door 9 and the pre-warm of #1 intermediate pressure cylinders into
Vapour 18 pairs of door of adjusting carrys out vapour and is adjusted；Wherein #1 high adds vapour and adjusts door 9 and can control from cold section of steam supply section 7 of #2 into vapour
Amount, #1 high adds the manual isolating door 8 of vapour and #1 high add vapour electrically operated gate 10 can be respectively by manual and electronic control into vapour
Whether, the #1 machines two of setting take out non-return flap 13 and have ensured that steam turbine will not generate failure since steam reverses；The #1 intermediate pressure cylinders
Pre-warm adjusts door 18 and the manual isolating doors 15 of #1 so that couple the #1 reheating cold segment pipe 16, the # that are connect with cold section of steam supply section 5 of #1 into vapour
The heating of 1 high pressure cylinder 31, #1 intermediate pressure cylinders 32, #1 reheaters 33 and #2 reheating hot pipes 38 carries out stability contorting, is conducive to machine
The quick startup of group；The #1 intermediate pressure cylinders pre-warm adjusts door 18 into vapour so that is carried out to the evaporation capacity for engine of #1 reheating cold segment pipe 16
Control, to protect #1 high pressure cylinders 31, #1 intermediate pressure cylinders 32 and #1 reheaters 33 not to exceed the defined rate of heat addition；The #2 high
The throttle flow of input #2 machine 2A high-pressure heaters 22 and #2 machine 2B high-pressure heaters 23, #2 high can be controlled by adding vapour adjusting door 20
It adds the manual isolating door 19 of vapour and #2 high adds vapour electrically operated gate 21 whether can be respectively by manual and electronic control into vapour；And
The #2 machines 2A high of setting adds vapour non-return flap 24, #2 machines 2B high adds vapour non-return flap 25 and #2 machines two take out non-return flap 26 so that high pressure
Heater will not generate failure since steam reverses；The #2 intermediate pressure cylinders pre-warm adjusts door 30 and the manual isolating doors of #2 28 into vapour to be made
Obtain couple the #2 reheating cold segment pipe 29, #2 high pressure cylinders 35, #2 intermediate pressure cylinders 36, #2 reheaters 37 and the # that are connect with cold section of steam supply section 7 of #2
The heating of 1 reheating hot pipe 34 carries out stability contorting, is conducive to the quick startup of unit；The #2 intermediate pressure cylinders pre-warm is into vapour tune
Section door 30 so that the evaporation capacity for engine of #2 reheating cold segment pipe 29 is strictly controlled, to protect #2 high pressure cylinders 35, #2 intermediate pressure cylinders
36 and #2 reheaters 37 do not exceed the defined rate of heat addition.
Claims (8)
1. a kind of big bypass reheat unit neighbour machine heating system of level-one, which is characterized in that including #1 units (1), #2 units (2) and
Electrically operated gate (3) is got in touch with, the #1 units (1) connect with #2 units (2) through pipeline, the #1 units (1) and #2 units (2) connection
Pipeline on be provided with contact electrically operated gate (3), the #1 units (1) include adding vapour section (4) and #1 through the #1 high that pipeline connects
Cold section of steam supply section (5), #2 units (2) include adding cold section of steam supply section (7) of vapour section (6) and #2 through the #2 high that pipeline connects.
2. the big bypass reheat unit neighbour machine heating system of level-one according to claim 1, which is characterized in that the #1 units
(1) further include #1 high pressure cylinders (31), #1 intermediate pressure cylinders (32) and #1 reheaters (33), the #1 high pressure cylinders (31) and #1 intermediate pressure cylinders
(32) coaxially connected, the #1 reheaters (33) through pipeline respectively with the venthole of #1 high pressure cylinders (31) and #1 intermediate pressure cylinders (32)
Air intake connects, and the pipeline that the #1 reheaters (33) connect with #1 high pressure cylinders (31) venthole is #1 reheating cold segment pipes
(16), the pipeline that the #1 reheaters (33) connect with the air intake of #1 intermediate pressure cylinders (32) is #1 reheating hot pipes (34), institute
It states #1 reheating cold segment pipe (16) and adds cold section of steam supply section (5) connection of vapour section (4) and #1 with #1 high respectively；The #2 units (2)
Further include #2 high pressure cylinders (35), #2 intermediate pressure cylinders (36) and #2 reheaters (37), the #2 high pressure cylinders (35) and #2 intermediate pressure cylinders (36)
Coaxially connected, the #2 reheaters (37) are through pipeline respectively with the venthole of #2 high pressure cylinders (35) and #2 intermediate pressure cylinders (36) into vapour
Mouth connection, the pipeline that the #2 reheaters (37) connect with #2 high pressure cylinders (35) venthole are #2 reheating cold segment pipe (29), institute
It is #2 reheating hot pipes (38), the #2 reheating to state the pipeline that #2 reheaters (37) are connect with the air intake of #2 intermediate pressure cylinders (36)
Cold segment pipe (29) adds cold section of steam supply section (7) connection of vapour section (6) and #2 with #2 high respectively.
3. the big bypass reheat unit neighbour machine heating system of level-one according to claim 2, which is characterized in that the #1 high adds
Include that #1 machine 2A high-pressure heaters (11), #1 machine 2B high-pressure heaters (12), #1 high add the manual isolating door of vapour into vapour section (4)
(8), #1 high adds vapour adjusting door (9) and #1 high adds vapour electrically operated gate (10), and the #1 high adds the manual isolating door of vapour (8), #1
Height adds vapour adjusting door (9) and #1 high adds vapour electrically operated gate (10) and is sequentially connected with through pipeline, and the #1 high adds vapour and is isolated manually
Door (8) through pipeline respectively with #1 machine 2A high-pressure heaters (11), #1 machine 2B high-pressure heaters (12) and #1 reheating cold segment pipes
(16) it connects, the #1 high is added to be also set up on the pipeline that the manual isolating door of vapour (8) is connect with #1 machine 2A high-pressure heaters (11)
There is #1 machines 2A high to add vapour non-return flap (39), the #1 high adds the manual isolating door of vapour (8) and #1 machine 2B high-pressure heaters (12)
It is additionally provided with #1 machines 2B high on the pipeline of connection and adds vapour non-return flap (40), the #1 high adds the manual isolating door of vapour (8) and #1
It is additionally provided with #1 machines two on the pipeline of reheating cold segment pipe (16) connection and takes out non-return flap (13), the #1 high adds vapour electrically operated gate
(10) it is connect respectively with contact electrically operated gate (3) and cold section of steam supply section (5) of #1 through three-way pipe.
4. the big bypass reheat unit neighbour machine heating system of level-one according to claim 3, which is characterized in that cold section of the #1
Steam supply section (5) includes the external steam supply electrically operated gates (14) of #1, the manual isolating doors of #1 (15) and small machine (17), the external steam supply electricity of #1
Dynamic door (14) and the manual isolating doors of #1 (15) are sequentially connected with through pipeline, and the external steam supply electrically operated gates (14) of #1 are distinguished through three-way pipe
With #1 high add vapour electrically operated gate (10) and contact electrically operated gate (3) connect, the manual isolating doors of #1 (15) through three-way pipe respectively with #
1 reheating cold segment pipe (16) and small machine (17) connection.
5. the big bypass reheat unit neighbour machine heating system of level-one according to claim 4, which is characterized in that further include in #1
Cylinder pressure pre-warm adjusts door (18) into vapour, and the #1 intermediate pressure cylinders pre-warm adjusts door (18) and the external steam supply electrically operated gates (14) of #1 simultaneously into vapour
Connection setting.
6. the big bypass reheat unit neighbour machine heating system of level-one according to claim 4 or 5, which is characterized in that the #2
It includes that #2 machine 2A high-pressure heaters (22), #2 machine 2B high-pressure heaters (23), #2 high add vapour and be isolated manually that height, which adds vapour section (6),
Door (19), #2 high add vapour adjusting door (20) and #2 high adds vapour electrically operated gate (21), and the #2 high adds the manual isolating door of vapour
(19), #2 high adds vapour adjusting door (20) and #2 high adds vapour electrically operated gate (21) and is sequentially connected with through pipeline, and the #2 high adds vapour
Manual isolating door (19) is cold with #2 machine 2A high-pressure heaters (22), #2 machine 2B high-pressure heaters (23) and #2 reheating respectively through pipeline
Segment pipe (29) connects, and the #2 high is added on the pipeline that the manual isolating door of vapour (19) is connect with #2 machine 2A high-pressure heaters (22)
It is additionally provided with #2 machines 2A high and adds vapour non-return flap (24), the #2 high adds the manual isolating door of vapour (19) and #2 machine 2B hyperbaric heatings
It is additionally provided with #2 machines 2B high on the pipeline of device (23) connection and adds vapour non-return flap (25), the #2 high adds the manual isolating door of vapour
(19) it is additionally provided with #2 machines two on the pipeline being connect with #2 reheating cold segment pipe (29) and takes out non-return flap (26), the #2 high adds vapour
Electrically operated gate (21) is connect with contact electrically operated gate (3) and cold section of steam supply section (7) of #2 respectively through three-way pipe.
7. the big bypass reheat unit neighbour machine heating system of level-one according to claim 6, which is characterized in that cold section of the #2
Steam supply section (7) includes the external steam supply electrically operated gates (27) of #2 and the manual isolating doors of #2 (28), the external steam supply electrically operated gates (27) of #2
It is connected through pipeline with the manual isolating doors of #2 (28), the external steam supply electrically operated gates (27) of #2 add vapour with #2 high respectively through three-way pipe
Electrically operated gate (21) and contact electrically operated gate (3) connect, the manual isolating doors of #2 (28) through three-way pipe respectively with cold section of #2 reheating pipe
Road (29) and small machine (17) connection.
8. the big bypass reheat unit neighbour machine heating system of level-one according to claim 7, which is characterized in that further include in #2
Cylinder pressure pre-warm adjusts door (30) into vapour, and the #2 intermediate pressure cylinders pre-warm adjusts door (30) and the external steam supply electrically operated gates (27) of #2 simultaneously into vapour
Connection setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524842.5A CN108533335A (en) | 2018-05-28 | 2018-05-28 | A kind of big bypass reheat unit neighbour machine heating system of level-one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524842.5A CN108533335A (en) | 2018-05-28 | 2018-05-28 | A kind of big bypass reheat unit neighbour machine heating system of level-one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108533335A true CN108533335A (en) | 2018-09-14 |
Family
ID=63471952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810524842.5A Pending CN108533335A (en) | 2018-05-28 | 2018-05-28 | A kind of big bypass reheat unit neighbour machine heating system of level-one |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04148002A (en) * | 1990-10-12 | 1992-05-21 | Toshiba Corp | Prewarming method for steam turbine |
| CN202300550U (en) * | 2011-11-09 | 2012-07-04 | 西安兴仪启动发电试运有限公司 | High pressure cylinder pre-warming system |
| CN103363512A (en) * | 2013-08-07 | 2013-10-23 | 中国电力工程顾问集团华东电力设计院 | System for improving boiler start inlet water temperature |
| CN107120149A (en) * | 2017-07-12 | 2017-09-01 | 山东中实易通集团有限公司 | The method and system of newly-built supercritical unit is debugged using external activated vapor |
| CN208441893U (en) * | 2018-05-28 | 2019-01-29 | 华电莱州发电有限公司 | A kind of big bypass reheat unit neighbour machine heating system of level-one |
-
2018
- 2018-05-28 CN CN201810524842.5A patent/CN108533335A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04148002A (en) * | 1990-10-12 | 1992-05-21 | Toshiba Corp | Prewarming method for steam turbine |
| CN202300550U (en) * | 2011-11-09 | 2012-07-04 | 西安兴仪启动发电试运有限公司 | High pressure cylinder pre-warming system |
| CN103363512A (en) * | 2013-08-07 | 2013-10-23 | 中国电力工程顾问集团华东电力设计院 | System for improving boiler start inlet water temperature |
| CN107120149A (en) * | 2017-07-12 | 2017-09-01 | 山东中实易通集团有限公司 | The method and system of newly-built supercritical unit is debugged using external activated vapor |
| CN208441893U (en) * | 2018-05-28 | 2019-01-29 | 华电莱州发电有限公司 | A kind of big bypass reheat unit neighbour machine heating system of level-one |
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