CN108167027A - Pressurized gasification chilling process vacuum flash vapour electricity-generating method - Google Patents
Pressurized gasification chilling process vacuum flash vapour electricity-generating method Download PDFInfo
- Publication number
- CN108167027A CN108167027A CN201711450448.3A CN201711450448A CN108167027A CN 108167027 A CN108167027 A CN 108167027A CN 201711450448 A CN201711450448 A CN 201711450448A CN 108167027 A CN108167027 A CN 108167027A
- Authority
- CN
- China
- Prior art keywords
- flash
- steam
- high pressure
- vapour
- condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000002309 gasification Methods 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims abstract description 16
- 238000010248 power generation Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007701 flash-distillation Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010866 blackwater Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
-
- 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
-
- 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
- F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
Abstract
The invention belongs to pressurized gasification chilling process ash water treatment technology and negative pressure steam utilization fields, to solve the problems, such as that existing flash steam waste heat does not utilize, the present invention provides a kind of pressurized gasification chilling process vacuum flash vapour electricity-generating methods, electricity generation system includes sequentially connected hp flash drum, high pressure flash stripper, high pressure flash condenser and high pressure flash separator, further include sequentially connected vacuum flasher, it is true to dodge vapour liquid separator, condensing turbine and condenser, the vacuum flasher is connect with hp flash drum, high pressure flash evaporator is connected between high pressure flash stripper and high pressure flash condenser, the true steam inlet for dodging vapour liquid separator of negative pressure steam (vapor) outlet connection of high pressure flash evaporator, the steam of high pressure flash evaporator discharge and the steam of vacuum flasher discharge collectively form power generation vapour source.The present invention can make full use of the cogeneration of system, not only realize the purpose of energy-saving and water-saving, but also can create certain economic benefit.
Description
Technical field
The invention belongs to pressurized gasification chilling process ash water treatment technology and negative pressure steam utilization fields, are related to flash steam hair
A kind of process systems such as steam turbine, condenser in electricity, and in particular to pressurized gasification chilling process vacuum flash vapour electricity-generating method.
Background technology
1. currently there is a large amount of flash steam in pressurized gasification chilling process flashes Heisui River technique, do not coagulated because steam contains
The relatively low factor of gas, dust and temperature, pressure, is failed to be utilized, be exchanged heat using circulating water, by a large amount of energy
Amount wastes.
2. early in the seventies and eighties in last century, geothermal power generation utilizes flash process, after GEOTHERMAL WATER is flashed to steam, into
It is similar with buck flash process to enter steam turbine power generation this feature, and buck and geothermal water quality also close to condition, and tie
The characteristics of gasification flash steam contains coal gas is closed, underground heat electrification technique is improved, increases corresponding measure, by geothermal power generation work
Skill and related design requirement etc. are used in gasification vacuum flash vapour power generation.
3. dry gas seals system is sealed up in combustible gas compression secret and is widely applied, technology maturation, can effectively keep away
Dry gas seals system is used for the packing of steam turbine by the characteristics of exempting from leaking into for outside air, considering flash steam.
4. considering that water evaporates the characteristic that can generate negative pressure steam under negative pressure state, high pressure flash evaporator is set.
Invention content
The present invention is directed to the characteristic of pressurized gasification chilling process vacuum flash vapour, is not utilized to solve existing flash steam waste heat
The problem of, system energy consumption is reduced, improves overall efficiency, and then provides a kind of pressurized gasification chilling process vacuum flash vapour power generation
Method is a kind of approach of flash steam gas-to electricity.
The present invention adopts the following technical scheme that：
A kind of pressurized gasification chilling process vacuum flash vapour electricity generation system, including sequentially connected hp flash drum, high pressure flash
Stripper, high pressure flash condenser and high pressure flash separator further include sequentially connected vacuum flasher, really dodge vapor-liquid separation
Device, condensing turbine and condenser, the vacuum flasher are connect with hp flash drum, and high pressure flash stripper and high pressure are dodged
High pressure flash evaporator is connected between evaporation condenser, the negative pressure steam (vapor) outlet connection of high pressure flash evaporator is true to dodge vapor-liquid separation
The steam inlet of device, the steam of high pressure flash evaporator discharge and the steam of vacuum flasher discharge collectively form power generation vapour source,
The external vacuum pump of condenser and condensate pump, the external generator of condensing turbine.
The packing of the condensing turbine avoids air to cylinder internal leakage using series connection dry gas seals system.
Condensing turbine takes anti-cavitation and corrosion measure, and anti-cavitation is by increasing the drain port quantity of dehumidifying（Compared with
It is conventional to increase 3-5）To realize；It is anticorrosive to be realized by selecting special stainless steel measure.It avoids containing in flash steam
Abrasion of the particle to steam turbine is easily handled in steam turbine by the blade position of erosion using wear-resistant material.
Impingement baffle is added inside the condensing turbine.
For Steam Turbine failure is avoided to influence gasification system operation, condensing turbine stop valve leading steam by-pass all the way
To condenser, driving and flash steam is being cooled down under failure.
Condenser material is added using stainless steel applies anti-chloride ion corrosion coating, extends the service life of condenser.
A kind of pressurized gasification chilling process vacuum flash vapour electricity-generating method, the pressurized gasification with existing gasification Slag-water system
Chilling process vacuum flash vapour electricity generation system completes power generation, condenser, vacuum pump, separator, condensate pump etc. and the pulp water that gasifies
The process system composition composition turbine generator such as chemical industry operation system, Steam Turbine, separator, condenser, vacuum pump, condensate pump
Machine set system.
Specific power generation process is as follows：
1) gasification Slag-water system is driven：The Slag-water system that gasifies starts, and establishes the water cycle of Slag-water system；During this, flash steam
It is cooled down by the condenser that bypasses into of condensing turbine stop valve, starts vacuum pump and condenser is vacuumized, start
Condensate pump will flash condensate liquid and be sent into pressurized gasification chilling process vacuum flash vapour electricity generation system；
2) driving of Steam Turbine
A, heating coil：After negative pressure steam is generated, total porthole of condensing turbine isolating valve leading portion is opened, and during heating coil
Check the hydrophobic situation of steam inlet pipe road drain valve；When it is hydrophobic there is steam to emerge when, gradually turn down drain valve, while will be in pipeline
Pressure rises to flashing pressure, and the total porthole of isolating valve leading portion is gradually opened greatly, until standard-sized sheet, by drain valve Close All；
B, steam turbine rotating speed is adjusted：After low speed warming confirmation is all gone well, gradually open steam valve and rotating speed is promoted extremely with constant rate of speed
Rotational speed governor acts rotating speed；Governor is switched into auto state by manual mode, and be maintained at the rotating speed porthole will be isolated
Gradually open foot；
C, the adjustment after stable operation：Governor is switched to manual control, while manual operation gradually opens servo valve greatly.
Condensing turbine and follow-up solidifying air circuit are put first with low-pressure nitrogen before starting condensing turbine
It changes, the oxygen content in anti-locking system is exceeded.
Generation technology of the present invention is to increase high pressure flash on the basis of former pressure gasification process black water flash system
Evaporator really dodges the equipment such as vapour liquid separator, condensing turbine, condenser and the motor by steam turbine dragging to realize hair
Electricity, the vapour source used is negative pressure steam, and negative pressure steam is dodged and true system of dodging generates respectively by former high, a part by desalted water with
Steam heat-exchanging evaporation containing sour gas generates, and a part comes from vacuum flasher, and the flash steam come out by flash tank is through vacuum
After vapour liquid separator isolates moisture content, into condensing turbine, by condensing turbine expansion drawing generator power generation, expansion
Steam afterwards is condensed by condenser, and vacuum pump vacuumizes condenser, and system is made to keep certain vacuum degree, and the gas of extraction is gone
Torch is vented, and condensation water sends system back to by condensate pump.Pressurized gasification chilling process vacuum flash vapour generation technology of the present invention fills
Divide the cogeneration using system, not only realize the purpose of energy-saving and water-saving, but also certain economic benefit can be created.
Description of the drawings
Fig. 1 is the system schematic of the present invention；
In figure：1. 4. high pressure flash evaporator of hp flash drum 2. high pressure flash stripper, 3. vacuum flasher, 5. high pressure is dodged
6. high pressure flash separator 7. of evaporation condenser really dodges 8. condensing turbine of vapour liquid separator, 9. condenser, 10. vacuum pump
11. condensate pump a. Heisui River import b. desalination water inlet c. circulating water intake d.i. sour gas exports e.g.h. condensate liquids
Return negative pressure steam and the vacuum flashing vapour meet that system outlet f. high pressure flash generates.
Specific embodiment
With reference to attached drawing, the specific embodiment of the present invention is described further：
Pressurized gasification chilling process vacuum flash vapour electricity generation system as shown in Figure 1, including sequentially connected hp flash drum 1,
High pressure flash stripper 2, high pressure flash condenser 5 and high pressure flash separator 6, further include sequentially connected vacuum flasher 3,
True vapour liquid separator 7, condensing turbine 8 and condenser 9, the vacuum flasher 3 of dodging is connect with hp flash drum 1, high pressure
High pressure flash evaporator 4 is connected between flash distillation stripper 2 and high pressure flash condenser 5, the negative pressure of high pressure flash evaporator 4 is steamed
The true steam inlet for dodging vapour liquid separator 7 of vapor outlet connection, 3 row of steam and vacuum flasher that high pressure flash evaporator 4 is discharged
The steam gone out collectively forms power generation vapour source, 9 external vacuum pump 10 of condenser and condensate pump 11,8 outer sending and receiving of condensing turbine
Motor.
Flash steam heat source is provided including vacuum flasher, high pressure flash evaporator, vacuum flashing separator isolates flash distillation
The moisture content carried in vapour expands drawing generator to flash steam by condensing turbine and generates electricity, the steam after expansion power generation by
Condenser is condensed, and is sent into torch by the fixed gas in vacuum pumped condenser, condensation water sends system back to by condensate pump.
Flash steam directly is drawn in flash drum overhead big-diameter pipeline, the pressure drop that flash steam is big is avoided, is allowed as far as possible into condensing-type
The steam of steam turbine 8 keeps certain pressure.
Vacuum flashing separator isolates the moisture content of flash steam, and flash steam band water is avoided to make steam turbine power degradation,
Result even in blade broken.
For steam turbine cylinder using casting or welded-steel plate construction, inner surface takes anti-corrosion measure, the portion that inside is easily hit
Position installs impingement baffle additional.Partition board is equipped with hydrophobic measure of drying.Consider to cause containing gases such as hydrogen sulfide, hydrogen, ammonias in flash steam
Stress corrosion cracking and corrosion fatigue etc., improve the safety coefficient of the selection of material.The distance between movable vane piece and stator blade are examined
Influence of the water droplet that worry flash steam carries to erosion and the fouling of movable vane piece increases the spacing of rotor and stator blade.Blade design is set
Prevent the enhancements of erosion.
Turbine steam seal is using series connection dry gas seals system.Dry gas seals are the prior art, but not in condensing turbine
On used, for realize dry gas seals system installation, modularization condensing turbine need to be used.
Condenser material adds painting anticorrosive paint using ordinary carbon steel, has not only reached etch-proof function, but can reduce investment into
This.
The desalted water of high pressure flash evaporator evaporation negative pressure state generates negative pressure steam, makes full use of the thermal energy of system, together
When avoid the unserviceable problem of steam containing fixed gas.
The specific power generation process of the present invention is as follows：
1. the front and rear regulating valve for opening high pressure flash evaporator passes through desalted water, condenser, high pressure flash condenser and correlation
Lubricating-oil Station, motor etc. by recirculated water, start vacuum pump, vacuum established for system.
2. gasification furnace ash water system beats cycle, liquid level is established.
3. it more than hand turning circle, reviews and validate steam turbine, generator and its shaft coupling and is in normal operating condition.
4. displacement.With low-pressure nitrogen to steam turbine and solidifying gas system into line replacement, the oxygen content for avoiding system is exceeded, causes
The generation of safety accident.
5. all open foot after main inlet throttle-stop valve is hung lock；Exhaust valve is all opened into foot.
6. heating coil.After negative pressure steam is generated, total porthole of steam turbine isolating valve leading portion is opened a little, steaming is gradually increased
Vapor (steam) temperature heating coil in steam pipe road controls total porthole aperture, and the hydrophobic of steam inlet pipe road drain valve is checked during heating coil
Situation；When it is hydrophobic there is steam to emerge when, gradually turn down drain valve, while the pressure in pipeline is risen into normal pressure；Work as steam
After pressure rises to normal pressure, the total porthole of isolating valve leading portion is gradually opened greatly, until standard-sized sheet, by drain valve Close All.Warm
It closes first of valve of steam turbine import second valve and outlet during pipe tight, prevents that steam condensate leaks into cylinder body.Gland steam exhauster warms up
After pipe, the second valve on standard-sized sheet blow-off line.
After the confirmation of 7 low speed warmings is all gone well, gradually open steam valve and rotating speed is promoted to rotating speed control with certain rate
Device acts rotating speed.Governor is switched into auto state by manual mode, and is maintained at the rotating speed and gradually opens foot by porthole is isolated；
It is controlled by governor and turbine speed is gradually increased to steam turbine rated speed, and the close observation steamer in boosting velocity procedure
Machine, deceleration machine vibration and bearing temperature situation.
If 8 all go well, put into operation, while governor is switched to manual control, while be manually operated and will adjust
Steam valve is gradually opened greatly.
The device of without specific instruction is the prior art in the present invention.
Claims (6)
1. a kind of pressurized gasification chilling process vacuum flash vapour electricity generation system, including sequentially connected hp flash drum（1）, high pressure
Flash stripper（2）, high pressure flash condenser（5）With high pressure flash separator（6）, it is characterised in that：It further includes and is sequentially connected
Vacuum flasher（3）, really dodge vapour liquid separator（7）, condensing turbine（8）And condenser（9）, the vacuum flasher
（3）With hp flash drum（1）Connection, high pressure flash stripper（2）With high pressure flash condenser（5）Between be connected with high pressure flash
Evaporator（4）, high pressure flash evaporator（4）The connection of negative pressure steam (vapor) outlet true dodge vapour liquid separator（7）Steam inlet, high pressure
Flash evaporator（4）The steam and vacuum flasher of discharge（3）The steam of discharge collectively forms power generation vapour source, condenser（9）Outside
Connect vacuum pump（10）And condensate pump（11）, condensing turbine（8）External generator.
2. pressurized gasification chilling process vacuum flash vapour electricity generation system according to claim 1, it is characterised in that：It is described solidifying
Vapour formula steam turbine（8）Packing using series connection dry gas seals system.
3. pressurized gasification chilling process vacuum flash vapour electricity generation system according to claim 2, it is characterised in that：It is described solidifying
Vapour formula steam turbine（8）Have additional the drain port of 3-5 dehumidifying.
4. pressurized gasification chilling process vacuum flash vapour electricity generation system according to claim 3, it is characterised in that：It is described solidifying
Vapour formula steam turbine（8）Inside adds impingement baffle.
5. a kind of pressurized gasification based on any pressurized gasification chilling process vacuum flash vapour electricity generation systems of claim 1-4
Chilling process vacuum flash vapour electricity-generating method, which is characterized in that the pressurized gasification chilling process with existing gasification Slag-water system
Vacuum flash vapour electricity generation system completes power generation, and specific power generation process is as follows：
1) gasification Slag-water system is driven：The Slag-water system that gasifies starts, and establishes the water cycle of Slag-water system；During this, flash steam
It is cooled down by the condenser that bypasses into of condensing turbine stop valve, starts vacuum pump and condenser is vacuumized, start
Condensate pump will flash condensate liquid and be sent into pressurized gasification chilling process vacuum flash vapour electricity generation system；
2) driving of Steam Turbine
A, heating coil：After negative pressure steam is generated, total porthole of condensing turbine isolating valve leading portion is opened, and during heating coil
Check the hydrophobic situation of steam inlet pipe road drain valve；When it is hydrophobic there is steam to emerge when, gradually turn down drain valve, while will be in pipeline
Pressure rises to flashing pressure, and the total porthole of isolating valve leading portion is gradually opened greatly, until standard-sized sheet, by drain valve Close All；
B, steam turbine rotating speed is adjusted：After low speed warming confirmation is all gone well, gradually open steam valve and rotating speed is promoted extremely with constant rate of speed
Rotational speed governor acts rotating speed；Governor is switched into auto state by manual mode, and be maintained at the rotating speed porthole will be isolated
Gradually open foot；
C, the adjustment after stable operation：Governor is switched to manual control, while manual operation gradually opens servo valve greatly.
6. pressurized gasification chilling process vacuum flash vapour electricity-generating method according to claim 5, it is characterised in that：Start solidifying
Before vapour formula steam turbine first with low-pressure nitrogen to condensing turbine and subsequently solidifying air circuit into line replacement, in anti-locking system
Oxygen content is exceeded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450448.3A CN108167027B (en) | 2017-12-27 | 2017-12-27 | Negative pressure flash steam power generation method in pressurized gasification chilling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450448.3A CN108167027B (en) | 2017-12-27 | 2017-12-27 | Negative pressure flash steam power generation method in pressurized gasification chilling process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108167027A true CN108167027A (en) | 2018-06-15 |
| CN108167027B CN108167027B (en) | 2020-02-07 |
Family
ID=62518888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711450448.3A Active CN108167027B (en) | 2017-12-27 | 2017-12-27 | Negative pressure flash steam power generation method in pressurized gasification chilling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167027B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612293A (en) * | 2018-11-07 | 2019-04-12 | 襄阳泽东化工集团有限公司 | A kind of heat recovery system of condensed water in high temperature |
| CN111287817A (en) * | 2020-04-03 | 2020-06-16 | 南京天加热能技术有限公司 | Organic Rankine cycle power generation system for recycling black water flash steam waste heat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE385434T1 (en) * | 2004-01-20 | 2008-02-15 | Siemens Ag | METHOD AND DEVICE FOR TREATING CONTAMINATED WATER |
| CN102336496A (en) * | 2011-08-24 | 2012-02-01 | 中国五环工程有限公司 | Method for treating and recycling ash water in dry coal dust gasification device |
| CN104296544A (en) * | 2014-10-13 | 2015-01-21 | 中信重工机械股份有限公司 | Low-temperature cogeneration flashing system |
| CN104564188A (en) * | 2014-12-29 | 2015-04-29 | 南京凯盛开能环保能源有限公司 | Full-automatic control method and full-automatic control system for cement waste heat power generation station |
| CN105561616A (en) * | 2016-02-04 | 2016-05-11 | 河南心连心化肥有限公司 | Gasification ash water low-pressure flash heat energy utilizing device and heat energy utilizing method thereof |
-
2017
- 2017-12-27 CN CN201711450448.3A patent/CN108167027B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE385434T1 (en) * | 2004-01-20 | 2008-02-15 | Siemens Ag | METHOD AND DEVICE FOR TREATING CONTAMINATED WATER |
| CN102336496A (en) * | 2011-08-24 | 2012-02-01 | 中国五环工程有限公司 | Method for treating and recycling ash water in dry coal dust gasification device |
| CN104296544A (en) * | 2014-10-13 | 2015-01-21 | 中信重工机械股份有限公司 | Low-temperature cogeneration flashing system |
| CN104564188A (en) * | 2014-12-29 | 2015-04-29 | 南京凯盛开能环保能源有限公司 | Full-automatic control method and full-automatic control system for cement waste heat power generation station |
| CN105561616A (en) * | 2016-02-04 | 2016-05-11 | 河南心连心化肥有限公司 | Gasification ash water low-pressure flash heat energy utilizing device and heat energy utilizing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612293A (en) * | 2018-11-07 | 2019-04-12 | 襄阳泽东化工集团有限公司 | A kind of heat recovery system of condensed water in high temperature |
| CN111287817A (en) * | 2020-04-03 | 2020-06-16 | 南京天加热能技术有限公司 | Organic Rankine cycle power generation system for recycling black water flash steam waste heat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108167027B (en) | 2020-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2798681C (en) | Method for operating a combined cycle power plant | |
| US10876432B2 (en) | Combined cycle power system with an auxiliary steam header supplied by a flasher and a surplus steam leak | |
| CN110486098A (en) | A kind of the combined cycle unit heating system and method for cooling last stage vane of steam turbine | |
| JPS6217083B2 (en) | ||
| CN108167027A (en) | Pressurized gasification chilling process vacuum flash vapour electricity-generating method | |
| CN112762637B (en) | Absorption heat pump waste heat recovery device and method driven by auxiliary steam | |
| JP3617212B2 (en) | Steam turbine stationary blade heating method | |
| CN208040541U (en) | Gas turbine cycle flue gas waste heat recovery and inlet gas cooling association system | |
| CN207033514U (en) | Feed pump turbine steam discharge condenser system | |
| KR101753526B1 (en) | Combined cycle power generation system | |
| CN212690124U (en) | Steam turbine starting stage exhaust steam recovery system | |
| CN112066750B (en) | Method for reducing condensed water-soluble oxygen based on dry screw pump | |
| CN211058873U (en) | High-pressure cylinder backflow heating system of cold-state steam turbine | |
| JP5765862B2 (en) | Low pressure steam recycling equipment | |
| CN207161152U (en) | A kind of energy-efficient steam turbine generator | |
| RU2476690C2 (en) | Method of combined cycle plant operation | |
| GB658398A (en) | Improvements relating to material drying apparatus | |
| RU2803822C1 (en) | Method for operation of the combined-cycle unit of the power plant | |
| CN211058872U (en) | Large-scale steam turbine high-pressure cylinder concurrent flow heating system | |
| JP2020020301A (en) | Steam turbine plant and method for starting the same | |
| RU2443871C2 (en) | Peak hydrogen steam turbine plant | |
| CN216741639U (en) | System for guaranteeing quality of small machine steam source in steam supply mode of rotating partition plate | |
| CN110805479B (en) | Backflow heating system and method for high-pressure cylinder of cold-state steam turbine | |
| CN108331624A (en) | A method of back pressure turbine is transform as by condensing turbine | |
| CN212177232U (en) | Multistage water seal for saturated steam power generation vacuum system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |