CN106523155B - A kind of chemical formula recycle-water method and apparatus based on solar gas expander system - Google Patents
A kind of chemical formula recycle-water method and apparatus based on solar gas expander system Download PDFInfo
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- CN106523155B CN106523155B CN201610874745.XA CN201610874745A CN106523155B CN 106523155 B CN106523155 B CN 106523155B CN 201610874745 A CN201610874745 A CN 201610874745A CN 106523155 B CN106523155 B CN 106523155B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000126 substance Substances 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 83
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003546 flue gas Substances 0.000 claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 239000000567 combustion gas Substances 0.000 claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 230000018044 dehydration Effects 0.000 claims abstract description 14
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 239000002918 waste heat Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 78
- 230000008676 import Effects 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 29
- 239000011232 storage material Substances 0.000 claims description 27
- 239000002250 absorbent Substances 0.000 claims description 26
- 230000002745 absorbent Effects 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 24
- 239000003517 fume Substances 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 8
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- 229910052925 anhydrite Inorganic materials 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000000376 reactant Substances 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000011049 filling Methods 0.000 description 4
- 238000010793 Steam injection (oil industry) Methods 0.000 description 3
- 229910052564 epsomite Inorganic materials 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052928 kieserite Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/08—Heating air supply before combustion, e.g. by exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The present invention relates to a kind of chemical formula recycle-water method and apparatus based on solar gas expander system.Air mixes after compressor pressurizes with vapor, enter regenerator recovery waste heat from tail gas, enter combustion chamber after solar thermal collector continues heating again, after the wet flue gas of HTHP enters combustion gas turbine acting, pass through the switching of control valve, tail gas passes through two dividing wall type reactors successively, the reactant wherein filled passes through dehydration and water absorption reaction, realize the uninterrupted recovery of moisture in wet flue gas, vapor is reentered in system and mixed with compressed air as caused by dehydration, the dry flue gas discharge system after water absorption reaction.The present invention takes full advantage of solar energy and residual heat resources, system effectiveness is improved, the recovery of moisture in the smoke evacuation of steam-recycling formula gas turbine generating system is realized, greatly reduces system water consumption, effects of energy saving and emission reduction is embodied, there is good economic benefit and social benefit.
Description
Technical field
Present invention is related to solar gas turbine technical field, is based particularly on the change of solar gas expander system
Formula recycle-water method and apparatus.
Background technology
Solar energy is a kind of cleaning, free of contamination regenerative resource, and it is developed and utilized for mitigating current fossil energy
It is significant to consume pressure, pollution pressure.
It by the thermal energy of solar energy is powder technology that solar energy thermal-power-generating technology, which is, solar focusing mainly have dish-style,
Four kinds of modes of tower, slot type and Fresnel.The direct hot generating efficiency of solar energy thermal-power-generating technology is relatively low, typically left 20%
The right side, substantial amounts of photothermal deformation energy are not utilized.In addition, individually solar heat power generation system is in night or rainy days
The energy of abundance can not be provided.Therefore, solar energy increasingly attracts attention with the generation technology that other electricity generation systems are combined, its
In and gas turbine generating system combination, can both improve the overall generating capacity of system and power generation stability, and have
Greater efficiency.
Gas turbine generating system has efficiency high, starting is fast, peaking performance is good, the construction period is short, floor space is small, consumption
The series of advantages such as water is few and environmental pollution is small, but due to the fuel supply problem such as natural gas, gas turbine power generation technology
Restriction is received to a certain extent.Therefore, under conditions of system effectiveness and power is ensured, the consumption for reducing fuel as far as possible has
Beneficial to being more widely popularized for gas turbine generating system.In addition, solar energy heating combined with gas turbine generating system it is another
Big advantage is that the fuel thermal energy of part needs is replaced using the radiation energy of the sun, so as to reduce gas turbine generating system needs
Fuel quantity.
With the increasingly increase of energy-saving and emission-reduction pressure, the circulation of gas turbine gas vapour mixed working fluid is increasingly becoming current research
Focus.Steam injection circulation is that the more ripe one kind of more early technology is studied in mixed working fluid circulation, and its general principle is combustion gas
The exhaust of turbine is passed through afterburning or the not waste heat boiler of afterburning, steam-recycling caused by boiler to the combustion chamber of gas turbine or its
Its suitable position, with combustion gas mixing heating, expansion work, enter back into waste heat boiler.This one kind circulation has high efficiency and high ratio
The remarkable advantage of work(, and NO can be reducedxDischarge.Therefore, steaming is passed through again with reference to the gas turbine generating system of solar energy heating
Vapour reinjection technique, electricity generation system efficiency is further improved, reduce fuel consumption.
But steam injected cycle increases the water consumption of system, while ensureing system normal operation and improving efficiency,
The recovery of moisture is equally worth research in effectively being discharged fume.The recovery of moisture is mainly by setting up in thermal power plant's smoke evacuation at present
Condenser carries out physics condensation, or using device recycle-waters such as special Physical Absorption films, it is primary disadvantage is that due to smoke evacuation
The presence of middle incoagulability gas causes the volume of the equipment such as condenser excessively huge, complicated, manufactures relatively difficult, condensation effect
It is bad, it is therefore desirable to moisture recovery method in flue gas of the research based on different principle.And the recycle-water that chemically reacts is utilized, not only have
There is higher organic efficiency, but also the heat in tail gas can be stored in a manner of chemical energy.Pass through chemicrystallization
The chemical combination of hydrate is absorbed with discharging water with decomposition reaction, and caused water cleans, is pollution-free.
The content of the invention
The present invention proposes a kind of chemical formula recycle-water method and apparatus based on solar gas expander system, in system
While making full use of solar energy and waste heat raising system effectiveness, time of vapor in system tail gas is realized by chemical reaction
Receive, greatly reduce the system water consumption, there is larger economic benefit and social benefit.
The concrete technical scheme of the present invention is as follows：
Air mixes after compressor pressure, into blender with vapor, and mixed pressurization humid air is through regenerator
Combustion gas turbine waste heat from tail gas is reclaimed, is further heated up in the solar thermal collector after by solar concentrator light and heat collection, then
Combustion chamber is entered, the wet flue gas of HTHP caused by burning does work into combustion gas turbine, drives electrical power generators, high warm and humid
The heat of tail gas is recovered in regenerator, and by control valve, the fume side that high warm and humid tail gas enters dividing wall type reactor A adds
The water storage material of the reaction side of hot dividing wall type reactor A, is allowed to that dehydration occurs, vapor caused by reaction enters mixed
In clutch, then, water absorption reaction occurs for the reaction side that flue gas enters dividing wall type reactor B, when the reaction of dividing wall type reactor B
After the absorbent material water suction generation water storage material of side, switch valve, the fume side that high warm and humid tail gas enters dividing wall type reactor B adds
The water storage material of the reaction side of hot dividing wall type reactor B, is allowed to that dehydration occurs, vapor caused by reaction enters mixed
In clutch, then, water absorption reaction occurs for the reaction side that flue gas enters dividing wall type reactor A, when the reaction of dividing wall type reactor A
After the absorbent material water suction generation water storage material of side, switch valve, flue gas leads to dividing wall type reaction by dividing wall type reactor A again
Device B, said process is repeated, by the switching of valve, guarantee recycle-water process continues, stable operation.
Multiple valves, including valve A, valve B, valve C, valve D and valve are arranged in solar gas expander system
E；Wherein valve A is located on solar thermal collector bypass duct, valve B be located at after booster pump and with valve C and steam generator
Connection, valve C are located at after valve B and are connected with dividing wall type reactor A and dividing wall type reactor B, and valve D is located at dividing wall type reaction
It is connected after device A and dividing wall type reactor B and with valve E, valve E is located at after valve D and is connected with blender and steam generator；
Exhaust smoke level is controlled by control valve B, heating feedwater, the steam vapour amount entered by control valve E control supplements in system, led to
The direction that the high warm and humid tail gas of control valve C controls enters dividing wall type reactor is crossed, steam outlet is controlled by control valve D
Direction.
When described valve C and valve D connect with dividing wall type reactor A, between the high warm and humid tail gas after supercharging enters
In wall type reactor A, heat the water storage material in dividing wall type reactor A and to required temperature is reacted be allowed to that dehydration occurs,
Vapor caused by reaction is re-entered into blender by valve D, the reaction that tail gas is entered in dividing wall type reactor B
Side, the vapor in tail gas directly contact generation water absorption reaction, dry flue gas row with the absorbent material of dividing wall type reactor B reaction side
Go out dividing wall type reactor B；When the absorbent material of the reaction side of dividing wall type reactor B absorbs vapor reaction generation water storage material
Afterwards, switch valve C and valve D, described valve C and valve D connect with dividing wall type reactor B, and high warm and humid tail gas enters
In dividing wall type reactor B, heat and absorb the water storage that vapor is formed in dividing wall type reactor B before switch valve C and valve D
Material is allowed to that dehydration occurs, vapor caused by reaction after valve D by re-entering into required temperature is reacted
In blender, reaction side that tail gas is entered in dividing wall type reactor A, vapor in tail gas is anti-with dividing wall type reactor A
Answer side water storage material before switch valve C and valve D to be heated absorbent material caused by reaction and directly contact generation water suction instead
Should, dry flue gas discharge dividing wall type reactor A；When the absorbent material of the reaction side of dividing wall type reactor A absorbs vapor reaction life
Into after water storage material, switch valve C and valve D, described valve C and valve D connect with dividing wall type reactor A, high warm and humid
Tail gas is re-introduced into dividing wall type reactor A, circulates above-mentioned operation and flow.
Dividing wall type heat exchanger, described heat exchanger one are arranged in described dividing wall type reactor A and dividing wall type reactor B
Effluent leads to wet flue gas, and other side arranges water storage material and/or absorbent material, wherein described dividing wall type reactor A or
Cooling line is arranged in wall type reactor B, it is anti-when water suction occurs in described dividing wall type reactor A or dividing wall type reactor B
At once, cooling line takes away caused heat of reaction, reduces temperature, ensures that water absorption reaction is normally carried out.
The dividing wall type heat exchanger arranged in described dividing wall type reactor A and dividing wall type reactor B can change for bushing type
One or more in hot device, shell-and-tube heat exchanger, crossflow heat exchanger, plate type heat exchanger and spiral heat exchanger.
Described solar thermal collector is the one or more in tubular type collector or positive displacement heat collector, Salar light-gathering
Device can be the one or more in dish-style concentrator, tower concentrator, slot-type optical collector or Fresnel concentrator.
Bypass is provided with described solar thermal collector, when solar radiation abundance, closes valve A, pressurized, heated is wet
Air, which enters in solar thermal collector, continues heat temperature raising, when radiation is insufficient or without solar radiation, opens described valve A,
Pressurized, heated humid air is directly entered in combustion chamber by described valve A bypasses and is heated to high temperature.
For increase system acting, system effectiveness is improved, water replanishing device is provided with system, feedwater is pressurizeed by feed pump
Afterwards, vapor is heated into by smoke evacuation, entered in described blender, the vapor lost in replenishment system is mixed to add
Pressure humid air is passed through the cold side of regenerator, and the wet tail gas from described combustion gas turbine out is passed through the hot side of regenerator, recovery
Waste heat from tail gas, increase system acting, improves system effectiveness.
Described absorbent material can be MgSO4、MgCl2、MgO、CaSO4、CaCl2, one or more in CaO.Work as suction
After water substance is heated to more than reaction temperature by high temperature wet flue gas, reaction produces vapor, and vapor enters described blender
In, it is recycled in system, with the vapor in flue gas water absorption reaction can occur for absorbent material, reclaim the vapor in tail gas.With
Exemplified by MgSO47H2O and MgSO4H2O, the dehydration in system is (anti-for MgSO47H2O → MgSO4H2O+6H2O
Answer 150 DEG C of pressure 4.6bar, reaction temperature), water absorption reaction is MgSO4H2O+6H2O → MgSO47H2O (reaction pressures
45 DEG C of 1.03bar, reaction temperature), the 90% of recyclable injected system water.
The invention also discloses a kind of solar energy high-temperature heat collection heat accumulation gas turbine generating set, including compressor, mixing
Device, steam generator, feed pump, solar thermal collector, valve A, combustion chamber, combustion gas turbine, generator, regenerator, booster pump,
Valve B, valve C, dividing wall type reactor A, dividing wall type reactor B, valve D, valve E, blower outlet connection blender enter
Mouthful, the outlet connection regenerator cold fluid side-entrance of blender, the connection solar thermal collector import of regenerator cold fluid side outlet,
Solar thermal collector outlet connection combustion chamber import, combustor exit connection combustion gas turbine import, combustion gas turbine outlet connects back to
Hot device hot fluid side-entrance, the connection supercharging pump inlet of regenerator hot fluid side outlet, booster pump outlet connecting valve B import,
Connecting valve C import on the left of valve B, the connection steam generator hot fluid side-entrance of valve B right sides, the water to be pressurizeed through feed pump
Into steam generator cold fluid side-entrance, steam generator cold fluid side outlet connecting valve E imports, valve C left side outlets
The import of fume side 18 of dividing wall type reactor A and dividing wall type reactor B, dividing wall type reactor A are respectively connected with right-side outlet
The reaction side 19 of connection dividing wall type reactor B and dividing wall type reactor A respectively is exported with the fume side 18 of dividing wall type reactor B to enter
Mouthful, the reaction side 19 of dividing wall type reactor B and dividing wall type reactor A exports connecting valve D left side and right side, caused water
Steam on the left of valve D import connecting valves E through entering blender import.Compared with prior art, system proposed by the present invention
Advantage is：
1st, the vapor in tail gas is reclaimed using chemical method, more effectively, and vapor can be refilled in system, saved
Water resource；
2nd, by increasing solar energy high temperature heat collector, raising enters combustion chamber Temperature of Working, reduces fuel in combustion chamber
Dosage；
3rd, combustion chamber excessive temperature is reduced by steam injection, reduces the disposal of pollutants of combustion chamber, reduce exhaust emissions
Loss, improve system effectiveness and reduce power input to compressor, add combustion gas turbine flow, improve system specific power；
4th, carry out fume afterheat by using steam injection to reclaim again, under the conditions of system electrical power is ensured, improve system
Unite overall generating efficiency.
Brief description of the drawings
Fig. 1 is a kind of chemical formula recycle-water method and apparatus schematic diagram based on solar gas expander system；
Fig. 2 is recycle-water process schematic (one)；
Fig. 3 is recycle-water process schematic (two)；
In figure, 1- compressors, 2- blenders, 3- steam generators, 4- feed pumps, 5- solar thermal collectors, 6- valves A,
7- combustion chambers, 8- combustion gas turbines, 9- generators, 10- regenerators, 11- booster pumps, 12- valve B, 13- valve C, 14- dividing wall types
Reactor A, 15- dividing wall types reactor B, 16- valve D, 17- valve E, 18- fume side, 19- reactions side.
Embodiment
Below in conjunction with accompanying drawing, the chemical formula recycle-water method and apparatus based on solar gas expander system is carried out clear
Chu completely describes.
As shown in figure 1, a kind of chemical formula recycle-water method and apparatus based on solar gas expander system, including calm the anger
Machine 1, blender 2, steam generator 3, feed pump 4, solar thermal collector 5, valve A 6, combustion chamber 7, combustion gas turbine 8, generating
Machine 9, regenerator 10, booster pump 11, valve B 12, valve C 13, dividing wall type reactor A 14, dividing wall type reactor B 15, valve
Door D 16, valve E 17.The import of the outlet of compressor 1 connection blender 2, the outlet connection cold fluid of regenerator 10 of blender 2
Side-entrance, the connection import of solar thermal collector 5 of the cold fluid side outlet of regenerator 10, the outlet of solar thermal collector 5 connection combustion chamber 7
Import, the outlet of the combustion chamber 7 connection import of combustion gas turbine 8, the outlet of the combustion gas turbine 8 connection hot fluid side-entrance of regenerator 10, backheat
The hot fluid side outlet of device 10 connects the import of booster pump 11, and booster pump 11 exports connecting valve B12 import, connected on the left of valve B12
Valve C13 import is connect, connects the hot fluid side-entrance of steam generator 3 on the right side of valve B12, the water to be pressurizeed through feed pump 4 enters
The cold fluid side-entrance of steam generator 3, the cold fluid side outlet connecting valve E17 imports of steam generator 3, valve C13 left sides go out
Mouth respectively connected the import of fume side 18 of dividing wall type reactor A 14 and dividing wall type reactor B 15 with right-side outlet, and dividing wall type is anti-
Answer the fume side 18 of device A14 and dividing wall type reactor B 15 to export and connect dividing wall type reactor B 15 and dividing wall type reactor respectively
The reaction side 19 of the A14 import of reaction side 19, dividing wall type reactor B 15 and dividing wall type reactor A 14 exports connecting valve D16's
Left side and right side, caused vapor on the left of valve D16 import connecting valves E17 through entering the import of blender 2.
Air mixes, vapor is by dividing wall type reactor water storage after the supercharging of compressor 1 into blender 2 with vapor
Substance dehydrates.Mixed pressurization humid air reclaims the waste heat from tail gas of combustion gas turbine 8 through regenerator 10, then through solar energy heating
Device 5 further rises to certain temperature (more than 700 DEG C), and solar thermal collector mode can be tubular type collector or positive displacement thermal-arrest
One kind in device or both, focused solar energy can be that butterfly concentrator, tower concentrator, slot-type optical collector or Fresnel gather
One or more in light device.Heated high pressure wet air enters combustion chamber 7, the wet flue gas of HTHP caused by burning
(more than 900 DEG C) enter the acting of combustion gas turbine 8 and convert heat energy into mechanical energy, then drive generator 9 to convert mechanical energy into electricity
Can, high warm and humid tail gas is pressurized through the recovery waste heat of regenerator 10 and by booster pump 11, there is provided tail gas is by needed for follow up device
Pressure.By the switching of control valve, the direction of the high warm and humid exhaust gas flow of pressurization is controlled.Pass through opening for control valve B 12
Degree, high warm and humid tail gas part flow through the hot-fluid side of steam generator 3, and heating system feeds water to vapor phase, replenishment system
The vapor of middle loss, the high warm and humid tail gas of remainder enters in dividing wall type reactor, between being arranged in dividing wall type reactor
Wall type heat exchanger, dividing wall type heat exchanger can be double pipe heat exchanger, shell-and-tube heat exchanger, crossflow heat exchanger, plate-type heat-exchange
One or more in device and spiral heat exchanger.The negotiable wet flue gas in dividing wall type heat exchanger side, other side are arranged
Water storage material and/or absorbent material, high warm and humid tail gas enter dividing wall type heat exchanger fume side 18, and release heat is used for heating cloth
Put the temperature needed for the water storage material to reaction in dividing wall type heat exchanger reaction side 19, vapor (4.5bar) caused by reaction
Blender 2 is passed through after being mixed after valve D 16 with the vapor of supplement, is reentered in system, is changed into after water storage substance dehydrates
Absorbent material can be absorbed water again, be recycled.The flue gas for discharging heat is anti-from dividing wall type reactor A 14 or dividing wall type
The wet flue gas sides 18 of device B 15 are answered to enter another dividing wall type reactor B 15 or the reaction of dividing wall type reactor A 14 side 19, flue gas
Directly contacted with absorbent material, fully reaction, the vapor in flue gas is absorbed by absorbent material, becomes dry flue gas discharge system
System.As shown in Fig. 2 valve C13 and valve D16 connect with dividing wall type reactor A 14, the high warm and humid tail gas after supercharging enters
In dividing wall type reactor A 14, the water storage material in heating dividing wall type reactor A 14 is allowed to be dehydrated to required temperature is reacted
Reaction, vapor is re-entered into blender 2 by valve D16 caused by reaction, and tail gas enters dividing wall type reactor
Reaction side 19 in B15, the absorbent material that the vapor in tail gas reacts side 19 with dividing wall type reactor B 15 directly contact generation
Water absorption reaction, dry flue gas discharge dividing wall type reactor B 15.As shown in figure 3, the suction of the reaction side 19 when dividing wall type reactor B 15
After water substance absorbs vapor reaction generation water storage material, switch valve C13 and valve D16, described valve C13 and valve
D16 is connected with dividing wall type reactor B 15, and high warm and humid tail gas is entered in dividing wall type reactor B 15, heats dividing wall type reactor
The water storage material that vapor is formed is absorbed before switch valve C13 and valve D16 in B15 and extremely react required temperature, be allowed to
Generation dehydration, vapor caused by reaction after valve D16 by re-entering into blender 2, between tail gas enters
Reaction side 19 in wall type reactor A 14, the reaction side 19 of vapor in tail gas and dividing wall type reactor A 14 is in switch valve
Absorbent material caused by the heated reaction of water storage material directly contacts generation water absorption reaction, dry flue gas row before C13 and valve D16
Go out dividing wall type reactor A 14.When the absorbent material of the reaction side 19 of dividing wall type reactor A 14 absorbs vapor reaction generation water storage
After material, switch valve C13 and valve D16, described valve C13 and valve D16 connect with dividing wall type reactor A 14, high
Warm and humid tail gas is re-introduced into dividing wall type reactor A 14, circulates Fig. 2 and operation illustrated in Figure 3 and flow.Dividing wall type reacts
Cooling line can be arranged in device A 14 and dividing wall type reactor B 15, when dividing wall type reactor A 14 or dividing wall type reactor B 15
During middle generation water absorption reaction, heat caused by reaction can be taken away, stable reaction temperature, improve recycle-water efficiency.Valve C
13 and valve D 16 is realized and automatically controlled, and adjusts the direction of flue gas and flow of water vapor, ensures in flue gas water vapor absorption and again
It is new to recycle.
This method uses the material progress moisture recovery that water suction, dehydration reversible reaction occur in certain temperature range, water storage
Material and absorbent material are arranged in the reaction side 19 of dividing wall type reactor.When water storage material is heated to decomposition temperature by high temperature wet flue gas
After more than degree, reaction produces vapor, and vapor enters in described blender, is recycled in system, absorbent material can be with cigarette
Water absorption reaction occurs for the vapor in gas, reclaims the vapor in tail gas.With MgSO4·7H2O and MgSO4·H2Exemplified by O, system
In dehydration be MgSO4·7H2O→MgSO4·H2O+6H2O (150 DEG C of reaction pressure 4.6bar, reaction temperature), water suction are anti-
It should be MgSO4·H2O+6H2O→MgSO4·7H2O (45 DEG C of reaction pressure 1.03bar, reaction temperature).
The cyclic process that system has just brought into operation when not carrying out moisture recovery in flue gas is that compressor 1 produces pressure-air,
Feed pump 4 is improved feed pressure to 4.5bar, steam generator 3 and is fed water to steam condition, steamed using high-temperature tail gas waste-heat
Vapour leads to blender 2 and is mixed into pressurization humid air with forced air.Humid air pressurize again through regenerator 10, solar thermal collector 5
Further heat up (more than 700 DEG C), enter back into combustion chamber 7 by fuel combustion heat produce HTHP wet flue gas (900 DEG C with
On).HTHP wet flue gas enters combustion gas turbine 8 and externally does work and be converted to electric energy by generator 9, through regenerator 10 and steams
The recovery waste heat of vapour generator 3, the tail gas discharge system after dividing wall type reactor reclaims vapor.
Simultaneity factor increase valve A6 it is in parallel with described solar thermal collector 5, when without solar radiation or radiate it is insufficient when,
Working medium by the working medium flow of solar energy high temperature heat collector or is directly entered combustion chamber 7 by described valve A6 regulations, then leads to
Crossing the afterburning of combustion chamber makes combustion gas turbine inlet temperature stable, realizes 24 hours tidal time differences.
In 950 DEG C or so of combustion engine intake air temperature, fuel (CH4, calorific value 50.07MJ/kg) and consumption 0.003kg/s conditions
Under, for the system of no water filling compared with water injection rate 0.03kg/s system net, net power output brings up to 114.0kW by 104.8kW,
Increase about 8.8%, heat to power output efficiency bring up to 31.7% by 29.5%, improve 2.2 percentage points；The system of water filling and water filling
And the system for reclaiming smoke evacuation moisture is compared, net power output, heat to power output efficiency are basically unchanged, the recyclable injected system water of the latter
The 90% of amount.If system annual works 300 days, run 24 hours daily, because water filling increases generated energy about 66240kWh,
Economized on water about 700 tons by recycle-water annual.
Claims (8)
- A kind of 1. chemical formula recycle-water method based on solar gas expander system, it is characterised in that air is through compressor（1） After supercharging, into blender（2）Mixed with vapor, mixed pressurization humid air is through regenerator（10）Reclaim combustion gas turbine （8）Waste heat from tail gas, the solar thermal collector after by solar concentrator light and heat collection（5）Inside further heat up, enter back into Combustion chamber（7）, the wet flue gas of HTHP caused by burning enters combustion gas turbine（8）Acting, drive generator（9）Generate electricity, it is high The heat of warm and humid tail gas is in regenerator（10）In be recovered, by control valve, high warm and humid tail gas enters dividing wall type reactor A （14）Fume side（18）Heat dividing wall type reactor A（14）Reaction side（19）Water storage material, be allowed to that dehydration occurs, Vapor enters blender caused by reaction（2）In, then, flue gas enters dividing wall type reactor B（15）Reaction side （19）Generation water absorption reaction, when dividing wall type reactor B（15）Reaction side（19）Absorbent material water suction generation water storage material after, Switch valve, high warm and humid tail gas enter dividing wall type reactor B（15）Fume side（18）Heat dividing wall type reactor B（15）It is anti- Answer side（19）Water storage material, be allowed to that dehydration occurs, vapor caused by reaction enters blender（2）In, then, Flue gas enters dividing wall type reactor A（14）Reaction side（19）Generation water absorption reaction, when dividing wall type reactor A（14）Reaction Side（19）Absorbent material water suction generation water storage material after, switch valve, flue gas is again by dividing wall type reactor A（14）Between leading to Wall type reactor B（15）, said process is repeated, by the switching of valve, guarantee recycle-water process continues, stable operation；Described solar thermal collector（5）Place is provided with bypass；Described dividing wall type reactor A（14）With dividing wall type reactor B（15）In arrange dividing wall type heat exchanger, described heat exchange Circulate wet flue gas for device side, and other side arranges water storage material and/or absorbent material, wherein described dividing wall type reactor A （14）Or dividing wall type reactor B（15）In arrange cooling line, when described dividing wall type reactor A（14）Or dividing wall type reaction Device B（15）During middle generation water absorption reaction, cooling line takes away caused heat of reaction, reduces temperature, is ensureing water absorption reaction just Often carry out；Water replanishing device is provided with system, feedwater passes through feed pump（4）After pressurization, vapor is heated into by smoke evacuation, enters institute The blender stated（2）In, the vapor that is lost in replenishment system, mixed pressurization humid air is passed through regenerator（10）It is cold Side, from described combustion gas turbine（8）In out wet tail gas be passed through regenerator（10）Hot side, reclaim waste heat from tail gas, increase system System acting, improves system effectiveness.
- 2. a kind of chemical formula recycle-water method based on solar gas expander system according to claim 1, its feature Multiple valves, including valve A are being arranged in solar gas expander system（6）, valve B（12）, valve C（13）, valve D （16）With valve E（17）；Wherein valve A（6）Positioned at solar thermal collector（5）On bypass duct, valve B（12）Positioned at booster pump （11）Afterwards and with valve C（13）And steam generator（3）Connection, valve C（13）Positioned at valve B（12）React afterwards and with dividing wall type Device A（14）With dividing wall type reactor B（15）It is connected, valve D（16）Positioned at dividing wall type reactor A（14）With dividing wall type reactor B （15）Afterwards and with valve E（17）It is connected, valve E（17）Positioned at valve D（16）Afterwards and and blender（2）And steam generator（3） It is connected；Pass through control valve B（12）Exhaust smoke level is controlled, heating feedwater, passes through control valve E（17）Control supplement enters in system Steam vapour amount, pass through control valve C（13）The high warm and humid tail gas of control enters the direction of dividing wall type reactor, passes through control valve Door D（16）Control the direction of steam outlet.
- 3. a kind of chemical formula recycle-water method based on solar gas expander system according to claim 1 or 2, it is special Sign is to work as described valve C（13）With valve D（16）With dividing wall type reactor A（14）Connection, the high warm and humid tail after supercharging Gas enters dividing wall type reactor A（14）In, heat dividing wall type reactor A（14）In water storage material to react needed for temperature It is allowed to that dehydration occurs, vapor passes through valve D caused by reaction（16）Re-enter into blender（2）In, tail gas enters Enter to dividing wall type reactor B（15）In reaction side（19）, vapor and dividing wall type reactor B in tail gas（15）React side （19）Absorbent material directly contact generation water absorption reaction, dry flue gas discharge dividing wall type reactor B（15）；When dividing wall type reactor B（15）Reaction side（19）Absorbent material absorb vapor reaction generation water storage material after, switch valve C（13）With valve D （16）, described valve C（13）With valve D（16）With dividing wall type reactor B（15）Connection, high warm and humid tail gas enter partition Formula reactor B（15）In, heat dividing wall type reactor B（15）In in switch valve C（13）With valve D（16）Preceding absorption vapor The water storage material formed is allowed to that dehydration occurs, vapor passes through valve D caused by reaction to required temperature is reacted （16）After re-enter into blender（2）In, tail gas enters dividing wall type reactor A（14）In reaction side（19）, in tail gas Vapor and dividing wall type reactor A（14）Reaction side（19）In switch valve C（13）With valve D（16）Preceding water storage material quilt Absorbent material caused by heating response directly contacts generation water absorption reaction, dry flue gas discharge dividing wall type reactor A（14）；When Wall type reactor A（14）Reaction side（19）Absorbent material absorb vapor reaction generation water storage material after, switch valve C （13）With valve D（16）, described valve C（13）With valve D（16）With dividing wall type reactor A（14）Connection, high warm and humid tail Gas is re-introduced into dividing wall type reactor A（14）In, circulate above-mentioned operation and flow.
- 4. a kind of chemical formula recycle-water method based on solar gas expander system according to claim 3, its feature It is described dividing wall type reactor A（14）With dividing wall type reactor B（15）Middle arranged dividing wall type heat exchanger can be sleeve pipe One kind or more in formula heat exchanger, shell-and-tube heat exchanger, crossflow heat exchanger, plate type heat exchanger and spiral heat exchanger Kind.
- 5. a kind of chemical formula recycle-water method based on solar gas expander system according to claim 1, its feature It is described solar thermal collector（5）For the one or more in tubular type collector or positive displacement heat collector, Salar light-gathering Device can be the one or more in dish-style concentrator, tower concentrator, slot-type optical collector or Fresnel concentrator.
- 6. a kind of chemical formula recycle-water method based on solar gas expander system according to claim 1, its feature It is described solar thermal collector（5）Place is provided with bypass, when solar radiation abundance, closes valve A（6）, pressurized, heated Humid air enters solar thermal collector（5）Middle continuation heat temperature raising, when radiation is insufficient or without solar radiation, open described valve Door A（6）, pressurized, heated humid air passes through described valve A（6）Bypass is directly entered combustion chamber（7）In be heated to high temperature.
- 7. a kind of chemical formula recycle-water method based on solar gas expander system according to claim 1, its feature It is that described absorbent material can be MgSO4、MgCl2、MgO、CaSO4、CaCl2, one or more in CaO.
- 8. a kind of chemical formula recovery water installations based on solar gas expander system, it is characterised in that including compressor（1）, it is mixed Clutch（2）, steam generator（3）, feed pump（4）, solar thermal collector（5）, valve A（6）, combustion chamber（7）, combustion gas turbine （8）, generator（9）, regenerator（10）, booster pump（11）, valve B（12）, valve C（13）, dividing wall type reactor A（14）, Wall type reactor B（15）, valve D（16）, valve E（17）, compressor（1）Outlet connection blender（2）Import, blender （2）Outlet connection regenerator（10）Cold fluid side-entrance, regenerator（10）Cold fluid side outlet connects solar thermal collector（5） Import, solar thermal collector（5）Outlet connection combustion chamber（7）Import, combustion chamber（7）Outlet connection combustion gas turbine（8）Import, combustion Gas turbine（8）Outlet connection regenerator（10）Hot fluid side-entrance, regenerator（10）Hot fluid side outlet connects booster pump（11） Import, booster pump（11）Export connecting valve B（12）Import, valve B（12）Left side connecting valve C（13）Import, valve B （12）Right side connects steam generator（3）Hot fluid side-entrance, through feed pump（4）The water of pressurization enters steam generator（3）It is cold Fluid side-entrance, steam generator（3）Cold fluid side outlet connecting valve E（17）Import, valve C（13）Left side outlet and right side Outlet respectively connected dividing wall type reactor A（14）With dividing wall type reactor B（15）Fume side（18）Import, dividing wall type reaction Device A（14）With dividing wall type reactor B（15）Fume side（18）Outlet connects dividing wall type reactor B respectively（15）It is anti-with dividing wall type Answer device A（14）Reaction side（19）Import, dividing wall type reactor B（15）With dividing wall type reactor A（14）Reaction side（19）Go out Mouth connecting valve D（16）Left side and right side, caused vapor is through valve D（16）Import connecting valve E（17）Left side is entered Enter to blender（2）Import.
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