CN108150232A - A kind of system and suction method for detaching overcritical mixed working fluid gas turbine exhaust gas - Google Patents
A kind of system and suction method for detaching overcritical mixed working fluid gas turbine exhaust gas Download PDFInfo
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- CN108150232A CN108150232A CN201711409332.5A CN201711409332A CN108150232A CN 108150232 A CN108150232 A CN 108150232A CN 201711409332 A CN201711409332 A CN 201711409332A CN 108150232 A CN108150232 A CN 108150232A
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- 239000012530 fluid Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims description 15
- 238000000926 separation method Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 79
- 229910001868 water Inorganic materials 0.000 claims description 79
- 239000007788 liquid Substances 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 114
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 47
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 23
- 239000001569 carbon dioxide Substances 0.000 abstract description 23
- 238000003860 storage Methods 0.000 abstract description 10
- 238000004064 recycling Methods 0.000 abstract description 3
- 229960004424 carbon dioxide Drugs 0.000 description 22
- 239000003245 coal Substances 0.000 description 11
- 238000002309 gasification Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000005049 combustion synthesis Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- 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
- 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
- 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
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
- F01K25/103—Carbon dioxide
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas, which connect with steam turbine, including condenser, at least a centrifugal compressor, driving device, separator and holding vessel；The wherein outlet connection of condenser and steam turbine, condenser carries out first time separation to the mixed gas that steam turbine is discharged, the gas vent of condenser is connect with centrifugal compressor entrance, driving device is used to that centrifugal compressor to be driven to work, centrifugal compressor outlet is connect with separator, separator carries out secondary separation to mixed gas, and the gas vent of separator is connect with holding vessel.The present invention, which realizes, efficiently separates the mixed gas in overcritical mixed working fluid gas turbine exhaust gas, the system effectiveness is high, suction flow is big, pressure ratio is high, it solve thes problems, such as suction, recycling, storage and the utilization of the incondensable gases such as big flow carbon dioxide in overcritical mixed working fluid gas turbine exhaust gas, avoids carbon dioxide pollution on the environment.
Description
【Technical field】
The present invention relates to field of generating equipment, more particularly to a kind of suction system for detaching mixed working fluid gas turbine exhaust gas and
Isolated at suction method.
【Background technology】
Energy resource structure of the China based on coal will not change in a short time, and traditional coal-fired power generator set is existed by coal
Chemical energy in coal is converted to thermal energy to heat feedwater by combustion synthesis in air heat release, generates the acting of vapor pushing turbine
Power generation.Conventional Coal Gasification Technology utilizes the aerial partial oxidation of coal-gasification reaction producing synthesis gas.Above two
In class process, coal energy quality loss is big, while produces the pollution products such as a large amount of SOx, NOx and solid particulate matter, adds
Air pollution degree is weighed, emission reduction is of high cost.There is an urgent need to a kind of completely new coal high-efficiency clean electric power generation technology, to solve China
Existing energy shortage, problem of environmental pollution.
The advantages of new type coal gasification technology is using supercritical water high diffusibility, highly dissoluble, provides for coal gasification
Phase reaction environment, the hydrogen that the carbon in coal can be in supercritical water in efficient reductive water, and realize and be gasified totally, generate super faces
The mixed working fluid of boundary's water, carbon dioxide and hydrogen.Contained sulphur and nitrogen and heavy metal element are concentrated with sediment pattern in coal arranges
Go out, and the utilization of resources can be carried out, prevented the generation and discharge of various pollutants from source.Coal high-efficiency gasification reaction generates
Water, carbon dioxide and hydrogen mixed working fluid reach overcritical mixed working fluid steamer after the processes such as heat exchange, separation of particles
The suction parameter of machine carries out the heat-work conversion power generation.
The mixture containing water and carbon dioxide, vapor can be in condensers in overcritical mixed working fluid gas turbine exhaust gas
In be condensed into water, and the incondensable gases such as carbon dioxide needs are extracted out from condenser.In conventional steam turbine exhaust, gas into
Divide mainly vapor, incondensable gas content is few, accounts for the 1%-2% or so of the total component of gas, conventional suction system (is such as penetrated
Water air ejector system, stream-jet ejector system, liquid-ring vacuum pump extract system etc.) incondensable gas can be extracted out.And surpass and face
Carbon dioxide content in boundary's mixed working fluid gas turbine exhaust gas is up to the 8%-10% of the total component of gas, significantly larger than conventional condenser
The content of incondensable gas in power generator turbine exhaust, while to meet the memory requirement after incondensable gas detaches, it is non-condensing
Gas also needs to reach higher pressure ratio in aspiration procedure, and conventional suction system is difficult to meet the requirements.
【Invention content】
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that it is super to provide a kind of separation
The system and suction method of critical mixed working fluid gas turbine exhaust gas realize water and the thorough of carbon dioxide in gas turbine exhaust gas and divide
From improving the utilization rate of the energy.
The present invention uses following technical scheme：
A kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas, the system are connect with steam turbine, including condenser,
At least a centrifugal compressor, driving device, separator and holding vessel；
Wherein, the outlet connection of condenser and steam turbine, condenser are used for mixed gas discharge to steam turbine progress the
First separation, the gas vent of condenser are connect with centrifugal compressor entrance, and driving device is used to that centrifugal compressor to be driven to work,
Centrifugal compressor outlet is connect with separator, and separator is used to carry out secondary separation, the gas of separator to mixed gas
Body outlet is connect with holding vessel.
Further, the speed changer for adjusting centrifugal compressor rotating speed is further included；The speed changer respectively with centrifugal compressed
Machine is connected with driving device.
Further, the centrifugal compressor is two, and two centrifugal compressors connect in parallel or series.
Further, the separator is steam-water separator.
Further, it further includes to carry out liquefied gas compressing apparatus to gas；The import of the gas compressing apparatus
It is connect with steam-water separator, the outlet of gas compressing apparatus is connect with holding vessel.
Further, the liquid outlet of the condenser and separator is connect by water pump with feed-water heater.
It is overcritical using the separation the present invention also provides a kind of suction method of overcritical mixed working fluid gas turbine exhaust gas
The system of mixed working fluid gas turbine exhaust gas, steam turbine discharge mixed gas delivery to condenser in carry out first time separation, point
It separates out the gas come and the gas input for carrying out second of separation, separating is transported in separator by centrifugal compressor extraction
It is preserved into holding vessel.
Further, when needing to increase gas extraction flow, two centrifugal compressors intake-gas simultaneously in parallel；Work as needs
To isolate for the first time gas boosting when, two centrifugal compressors series connection, gas passes through two centrifugal compressors successively.
Further, the gas separated for the second time is converted into liquid by gas compressing apparatus and is delivered to holding vessel
Middle preservation.
Further, the water that the condenser and separator are separated is transported to through water pump in feed-water heater.
Compared with prior art, the present invention at least has the advantages that：
The present invention carries out the mixed gas that steam turbine is discharged first time initial gross separation using condenser, and centrifugal compressor will
The gas that sub-argument goes out, which is extracted out and is delivered to after being pressurized in steam-water separator, carries out second of aqueous vapor separation, the titanium dioxide separated
Carbon is transported in holding vessel and preserves.The suction system is efficient, suction flow is big, pressure ratio is high, efficiently solves overcritical mixed
The problem of closing suction, recycling, storage and the utilization of the incondensable gases such as big flow carbon dioxide in working medium gas turbine exhaust gas, avoids
Carbon dioxide pollution on the environment；The carbon dioxide of storage can be utilized as raw material of industry gas, improve money
The utilization rate in source.
Increase speed changer between centrifugal compressor and driving device, further improve the work effect of centrifugal compressor
Rate increases the extraction flow of gas.
It is connected in parallel or series using two centrifugal compressors, improves the applicability of the suction system, while also increased
The extraction flow of gas.
Pressurized carbon dioxide is reduced to liquid using gas compressing apparatus, the amount that holding vessel preserves carbon dioxide is improved, subtracts
The small volume of holding vessel, reduces storage cost.
The water that condenser and separator are separated after feed-water heater heats is recycled again, improves water
The utilization rate of resource, has saved production cost.
【Description of the drawings】
Fig. 1 is suction system structure diagram；
Fig. 2 is the cascaded structure schematic diagram of compressor；
Fig. 3 is the parallel-connection structure schematic diagram of compressor；
Wherein：1. condenser；2. water pump；3. centrifugal compressor；4. radial-inward-flow turbine；5. steam-water separator；6. gas compression
Device；7. holding vessel.
【Specific embodiment】
The present invention provides a kind of system and suction method for detaching overcritical mixed working fluid gas turbine exhaust gas, realizes steamer
Water and carbon dioxide are completely separated in machine exhaust, improve the utilization rate of the energy.
As shown in Figure 1, the system for detaching overcritical mixed working fluid gas turbine exhaust gas includes condenser 1, suction unit, carbonated drink
Separator 5, water pump 2 and storage tank 7；Wherein the outlet connection of the entrance of condenser 1 and steam turbine, 1 gas vent of condenser lead to
Piping is connect with suction unit, and the liquid outlet of condenser 1 is connect with water pump, the entrance of suction unit and the gas of condenser 1
Body outlet is connected by pipeline, and the outlet of suction unit is connect by pipeline with the entrance of steam-water separator 5, steam-water separator 5
Gas vent connect by pipeline with holding vessel 7, the liquid outlet of steam-water separator 5 is connect by pipeline with water pump 2, water pump
2 connect with feed-water heater.
Suction unit includes centrifugal compressor 3 and driving device, and wherein centrifugal compressor 3 drives for extracting mixed gas
Dynamic device is used to that centrifugal compressor 3 to be driven to work.
One speed changer between centrifugal compressor 3 and driving device is set, centrifugal compressor 3 is flexibly controlled by speed changer
Rotating speed, and then increase centrifugal compressor 3 suction flow.
The driving device is turbine or motor；It is preferred that radial-inward-flow turbine 4.
There are two types of the modes for increasing the suction flow of gas；A kind of method be increase radial-inward-flow turbine 4 air inflow improve to
The rotating speed of heart turbine 4,4 rotating speed of radial-inward-flow turbine increase or reduce, and 3 rotating speed of centrifugal compressor also increases or reduces therewith.It is another
Method is, in the case of keeping 4 air inflow of radial-inward-flow turbine constant, changes radial-inward-flow turbine 4 and centrifugal compressor 3 by speed changer
Gearratio, and then change the rotating speed of centrifugal compressor 3.
As shown in Figures 2 and 3, the suction unit can also be by two centrifugal compressors and one or two radial-inward-flow turbine 4
Composition；Wherein two compressors in parallel or series, and are driven by one or two radial-inward-flow turbines.
The concrete structure of series connection is：Wherein the entrance of the first centrifugal compressor is connect with the gas vent of condenser 1, and second
The entrance of centrifugal compressor is connect with the outlet of the first centrifugal compressor, outlet and the steam-water separator 5 of the second centrifugal compressor
Entrance connection, formed two stages of compression.
First centrifugal compressor will after the gas boosting that isolated in condenser 1 be sent into second centrifugal compressor, second
Platform centrifugal compressor will be conveyed into steam-water separator 5 after gas boosting carry out second of gas-water separation again, separate
Carbon dioxide gas is transported in storage container 7 and stores.Series system increases the pressure ratio of suction unit by two stages of compression, makes
Gas compression.
Concrete structure in parallel is：The entrance of first centrifugal compressor and the second centrifugal compressor is by pipeline respectively with coagulating
The gas vent connection of vapour device 1, the outlet of the first centrifugal compressor and the second centrifugal compressor passes through pipeline and steam-water separator 5
Entrance connection；Two radial-inward-flow turbines respectively drive the first centrifugal compressor and the work of the second centrifugal compressor.
Vapour is inputted after the gas boosting that first centrifugal compressor and the second centrifugal compressor respectively separate condenser 1
In separator 5.It keeps pressure ratio constant in this way, suction incondensable gas is increased by two centrifugal compressor parallel operations
Flow.
In order to further improve the amount of storing carbon dioxide in storage tank 7, increase between steam-water separator 5 and holding vessel 7
Add a gas compressing apparatus 6.The entrance of gas compressing apparatus 6 is connect by pipeline with the outlet of steam-water separator 5, gas pressure
The outlet of compression apparatus 6 is connect with holding vessel 7 by pipeline.Using gas compressing apparatus 6 to after the separation of steam-water separator 5
Carbon dioxide compression makes its liquefaction, then is input in storage tank 7 to increase the amount of the storage carbon dioxide of holding vessel.
The gas compressing apparatus 6 is centrifugal compressor.
The operation principle of the system for detaching overcritical mixed working fluid gas turbine exhaust gas a kind of to the present invention carries out detailed below
Narration.
The compounding substances of condenser discharges steam turbine first water and carbon dioxide carry out first separation, in mixed gas
Vapor water is condensed into condenser, the water of condensation is extracted out through water pump and is passed through in pipeline to feed-water heater, coagulate
There is no noncondensing gas to be delivered in steam-water separator by centrifugal compressor extraction in vapour device, at this time also containing few in incondensable gas
The gas of input is carried out secondary separation, makes the vapor and titanium dioxide in incondensable gas by the vapor of amount, steam-water separator
Carbon is completely separated, and the water separated is extracted out through water pump and passed through in pipeline to feed-water heater, is separated
Carbon dioxide, which is input to after centrifugal compressor is further compressed to liquid in holding vessel, to be preserved or is conveyed as unstrpped gas
To industrial production line；Water is in feed-water heater by heating and being re-delivered in supercritical water gasification burner.
Embodiment one
The outlet of the entrance and steam turbine of condenser 1 connects, and the liquid outlet of condenser 1 is connect with water pump 2, condenser 1
Gas vent connect by pipeline with the entrance of the first centrifugal compressor, the outlet of the first centrifugal compressor with second centrifugation press
The entrance of contracting machine is connected by pipeline, and the outlet of the second centrifugal compressor is connect by pipeline with the entrance of steam-water separator 5, the
Two centrifugal compressors are connect by speed changer with radial-inward-flow turbine 4；The gas vent of steam-water separator 5 passes through pipeline and gas compression
The entrance connection of device 6, the liquid outlet of steam-water separator 5 are connect by pipeline with water pump 2, the outlet of gas compressing apparatus 6
It is connect with holding vessel 7, water pump 2 is connect with feed-water heater, and feed-water heater is connect with supercritical water gasification burner.
The water and the mixed gas of carbon dioxide that condenser 1 discharges steam turbine carry out first separation, the water separated
Feed-water heater is input to through water pump 2, the first centrifugal compressor will be sent into second centrifugal compressed after gas boosting in condenser 1
Machine, second centrifugal compressor will be conveyed into steam-water separator 5 and carry out secondary separation again after gas boosting, two separated
Carbonoxide is compressed to liquefy and be delivered in holding vessel 7 by gas compressing apparatus and preserve, and the water separated is extracted out through water pump 2
Feed-water heater is delivered to, the water separated twice heats in feed-water heater and is re-delivered to supercritical water gasification burner
In.
Embodiment two
With embodiment one the difference lies in the first centrifugal compressor and the first centrifugal compressor are in parallel, respectively from two to
Heart turbine 4 respectively drives；The entrance of first centrifugal compressor and the second centrifugal compressor passes through the pipeline gas with condenser 1 respectively
The outlet of body outlet connection, the first centrifugal compressor and the second centrifugal compressor is connected by the entrance of pipeline and steam-water separator 5
It connects, two radial-inward-flow turbines 4 respectively drive the first centrifugal compressor and the work of the second centrifugal compressor, remaining structure is all identical.
First centrifugal compressor and the second centrifugal compressor are equivalent to two-stage pressure by the way of series connection in embodiment one
Contracting, to improve pressure ratio.By the way of in parallel, parallel connection is set for first centrifugal compressor and the second centrifugal compressor in embodiment two
Although putting pressure ratio reduction, the flow extracted is larger.
A kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas provided by the invention, realizes to overcritical mixing
Mixed gas in working medium gas turbine exhaust gas is efficiently separated, and the suction system is efficient, suction flow is big, pressure ratio
Height, efficiently solve the suctions of the incondensable gases such as big flow carbon dioxide in overcritical mixed working fluid gas turbine exhaust gas, recycling,
The problem of storage and utilization, avoid carbon dioxide pollution on the environment.
More than content is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every to press
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within claims of the present invention
Protection domain within.
Claims (10)
1. a kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas, the system are connect with steam turbine, it is characterised in that：Packet
Include condenser (1), at least a centrifugal compressor (3), driving device, separator and holding vessel (7)；
Wherein, condenser (1) is connect with the outlet of steam turbine, and mixed gas of the condenser (1) for being discharged to steam turbine carries out
It detaches for the first time, the gas vent of condenser (1) is connect with centrifugal compressor (3) entrance, and driving device centrifuges pressure for driving
Contracting machine (3) works, and centrifugal compressor (3) outlet is connect with separator, and separator is used to carry out secondary point to mixed gas
From the gas vent of separator is connect with holding vessel (7).
2. a kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas according to claim 1, which is characterized in that also wrap
Include the speed changer for adjusting centrifugal compressor (3) rotating speed；The speed changer connects respectively with centrifugal compressor (3) and driving device
It connects.
3. a kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas according to claim 1, which is characterized in that described
Centrifugal compressor (3) is two, and two centrifugal compressors connect in parallel or series.
4. a kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas according to claim 1, which is characterized in that described
Separator is steam-water separator (5).
5. a kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas according to claim 4, which is characterized in that also wrap
It includes to carry out liquefied gas compressing apparatus (6) to gas；The import of the gas compressing apparatus (6) and steam-water separator
(5) it connects, the outlet of gas compressing apparatus (6) is connect with holding vessel (7).
6. a kind of system for detaching overcritical mixed working fluid gas turbine exhaust gas according to claim 1, which is characterized in that described
The liquid outlet of condenser (1) and separator is connect by water pump (2) with feed-water heater.
7. a kind of suction method of overcritical mixed working fluid gas turbine exhaust gas, which is characterized in that appoint using based on claim 1-6
The system of the one overcritical mixed working fluid gas turbine exhaust gas of separation, the mixed gas delivery that steam turbine is discharged to condenser (1)
Middle progress first time separation, the gas separated are transported in separator by centrifugal compressor (3) extraction and carried out second
Separation, the gas separated are input in holding vessel (7) and preserve.
8. the suction method of overcritical mixed working fluid gas turbine exhaust gas according to claim 7, which is characterized in that when needing to increase
When atmospheric extracts flow, two centrifugal compressors intake-gas simultaneously in parallel；When needs increase the gas isolated for the first time
During pressure, two centrifugal compressor series connection, gas passes through two centrifugal compressors successively.
9. the suction method of overcritical mixed working fluid gas turbine exhaust gas according to claim 7, which is characterized in that described second
The secondary gas separated, which by gas compressing apparatus (6) is converted into liquid and is delivered in holding vessel, to be preserved.
10. the suction method of overcritical mixed working fluid gas turbine exhaust gas according to claim 7, which is characterized in that described solidifying
The water that vapour device (1) and separator are separated is transported to through water pump (2) in feed-water heater.
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| CN201711409332.5A CN108150232A (en) | 2017-12-22 | 2017-12-22 | A kind of system and suction method for detaching overcritical mixed working fluid gas turbine exhaust gas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404077A (en) * | 2018-09-30 | 2019-03-01 | 东方电气集团东方汽轮机有限公司 | A kind of mixed working fluid processing method using steam turbine |
| CN109441565A (en) * | 2018-09-30 | 2019-03-08 | 东方电气集团东方汽轮机有限公司 | A kind of steam turbine assembled unit and coal gasification systems |
| CN113153472A (en) * | 2021-04-19 | 2021-07-23 | 西安交通大学 | Hydrophobic recovery device and method of mixed working medium circulation system |
| CN113175829A (en) * | 2021-04-19 | 2021-07-27 | 西安交通大学 | Carbon dioxide gas suction and separation device and method of mixed working medium circulation system |
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| CN102633350A (en) * | 2012-04-23 | 2012-08-15 | 西安交通大学 | Method for recycling excessive oxygen and carbon dioxide in supercritical water oxidation system |
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| CN107300294A (en) * | 2017-08-04 | 2017-10-27 | 中国华能集团清洁能源技术研究院有限公司 | A kind of co 2 liquefaction device and method of flue gas carbon trapping system |
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Application publication date: 20180612 |