CN108408804A - Saline-water reclamation and the integration apparatus for preparing dry saturated steam - Google Patents
Saline-water reclamation and the integration apparatus for preparing dry saturated steam Download PDFInfo
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- CN108408804A CN108408804A CN201711184252.4A CN201711184252A CN108408804A CN 108408804 A CN108408804 A CN 108408804A CN 201711184252 A CN201711184252 A CN 201711184252A CN 108408804 A CN108408804 A CN 108408804A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 229920006395 saturated elastomer Polymers 0.000 title claims abstract description 55
- 230000010354 integration Effects 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 62
- 238000003860 storage Methods 0.000 claims abstract description 51
- 238000000746 purification Methods 0.000 claims abstract description 31
- 238000010612 desalination reaction Methods 0.000 claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 239000012267 brine Substances 0.000 claims abstract description 24
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 24
- 239000008213 purified water Substances 0.000 claims abstract description 15
- 239000012141 concentrate Substances 0.000 claims abstract description 11
- 238000005338 heat storage Methods 0.000 claims description 72
- 239000012530 fluid Substances 0.000 claims description 40
- 238000009825 accumulation Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 13
- 239000007789 gas Substances 0.000 description 9
- 239000013505 freshwater Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002803 fossil fuel Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000006392 deoxygenation reaction Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000000079 presaturation Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000007701 flash-distillation Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000004304 potassium nitrite Substances 0.000 description 1
- 235000010289 potassium nitrite Nutrition 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- -1 underground bitter Chemical class 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/043—Details
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/06—Flash evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B3/00—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
- F22B3/08—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass at critical or supercritical pressure values
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Abstract
The present invention provides a kind of saline-water reclamation and prepare the integration apparatus of dry saturated steam comprising solar thermal collection system, heat reservoir, dry saturated steam generating system, desalination system and purification water storage systems.Solar thermal collection system, which is collected the thermal energy of sunlight and stored, arrives heat reservoir.Dry saturated steam generating system includes steam module and gas-liquid separation module；Purified water in purification water storage systems enter after steam module with heat reservoir heat exchange and be vaporizated into moist steam；Moist steam enters gas-liquid separation module and is separated into liquid water and dry saturated steam.Desalination system includes flash column, power plant module, evaporator and condenser；The liquid water that gas-liquid separation module is isolated enters flash column and generates high steam, and high steam enters power plant module；Indirect steam and concentrate are evaporated and are isolated in heat absorption after brine enters evaporator, and a part of indirect steam enters condenser and is condensed into liquid water and stores to water storage systems are purified, and another part indirect steam enters power plant module.
Description
Technical field
The present invention relates to saline-water reclamation field more particularly to a kind of saline-water reclamation and the integration apparatus for preparing dry saturated steam.
Background technology
NW China opens many industrial parks in desert and Gobi Region at present, and has introduced large quantities of new and high technologies
Enterprise's income, such enterprise are to carry out deep processing processing to fossil resources such as local oil, natural gas and coals mostly, so as to
Form the product of clean environment firendly.The outstanding feature of such enterprise is that technical process needs a large amount of fresh water and steam resource, same with this
When there may be a large amount of industrial wastewaters high hard and containing other organic impurities with high salt.In view of desert and Gobi Region are most
To belong to drought and water-scarce area, without the insulated stream flowed throughout the year in area, also without spring point exposure, without ground within surrounding shallow-layer 200m
Lower fresh water can be adopted, and underground deep layer then has a large amount of hard bitters of height with high salt not utilize directly.Therefore freshwater resources shortage becomes
Where the bottleneck for restricting enterprise's production.Carrying out the processing of deep impurity-removing desalting to underground bitter or industrial wastewater can be
Enterprise provides some vapor, alleviates clear water present situation in short supply, reduces utility water pressure, and can solve high-salt wastewater more than needed
Outlet ensure that enterprise's production cleaning Green Sustainable.
Realize that the treatment process of bitter recycling or sea water desalination mostly uses fossil fuel combustion in remote districts at present
The thermal energy generated or power grid electric energy are burnt, still, because fuel cost or power cost height etc. limit its use.
In addition, the common method of formed in-situ high steam is using based on combustion of fossil fuel (coal, oil, day at present
Right gas) conventional boiler.This not only expends fossil fuel and pays certain economic cost, while also bringing along serious environment
The harm of pollution.Even if being considered as being only applicable to the occasion that electric power resource is more than needed and electricity price is not high if electric energy evaporation process, and
For the higher occasion of electricity price, the power consumption cost of great number is also to lose more than gain.With the national standard newly revised《Boiler air
Pollutant emission standard》(GB13271-2014) it puts into effect, coal and oil boiler exhaust gas direct emission can not be up to standard, therefore finds
Inexpensive, the clean energy becomes the important development direction for preparing industrial steam.
Invention content
The problem of in view of background technology, the purpose of the present invention is to provide a kind of saline-water reclamation and prepares dry saturated steam
Integration apparatus,
To achieve the goals above, the present invention provides a kind of saline-water reclamation and the integration apparatus of dry saturated steam is prepared,
Including solar thermal collection system, heat reservoir, dry saturated steam generating system, desalination system and purification water storage systems.
Solar thermal collection system collects the thermal energy of sunlight and by heat exchange by thermal energy storage to heat reservoir.Dry saturated steam
Generating system includes steam module and gas-liquid separation module；Purified water in purification water storage systems enter after steam module with storage
Hot systems heat exchange, and it is vaporizated into moist steam；Moist steam enters gas-liquid separation module and is separated into liquid water and dry saturated steam.
Desalination system includes flash column, power plant module, evaporator and condenser；Gas-liquid separation module is isolated described
Liquid water enters flash column and generates high steam, and high steam enters power plant module；The brine desalinated is needed to enter evaporator
Heat absorption evaporates and isolates indirect steam and concentrate afterwards, and a part of indirect steam enters condenser and is condensed into liquid water and stores
To purification water storage systems, another part indirect steam enters power plant module, and desalination system is discharged in concentrate；Into power plant module
The high steam pressurize to another part Secondary-steam heating, heating pressurization after another part indirect steam
Into evaporator and brine into evaporator is heated, and then is condensed into liquid water and stores to purification water storage systems.
Beneficial effects of the present invention are as follows：
The saline-water reclamation of the present invention and the integration apparatus for preparing dry saturated steam use solar energy as clean energy resource, pollutant
Discharge small, system operation cost is low, has higher economic benefit and environmental benefit.Due to solar thermal collection system and heat accumulation system
System is mutual indepedent, and therefore, the thermal energy of solar thermal collection system acquisition freely can be stored and be discharged；At night, even if the sun
Energy collecting system can not work, and heat reservoir is also capable of providing the heat needed for equipment operation.
The dry saturated steam that dry saturated steam generating system is prepared can directly for users to use, and the liquid water isolated can enter it is de-
Salt system re-uses, and realizes the efficient utilization of energy, reduces the energy consumption cost of steam generation and saline-water reclamation.
In addition, the saline-water reclamation of the present invention and preparing the integration apparatus of dry saturated steam by brine desalination technique and steam generation
Technique becomes one, and to simplification of flowsheet, shortens process device, reduces energy consumption, whole more compact, easily controllable
And maintenance.
In short, the present invention saline-water reclamation and prepare dry saturated steam integration apparatus be applicable to underground bitter desalination,
The high hard salt water processing with high salt such as sea water desalination, boiler blowdown water, the recycling of oil gas field sewage, wide adaptability；The present invention is light from brine
It is integrated simple and reliable process to change to the steam of the high mass dryness fraction of high pressure is produced, it is easy to accomplish；The present invention makes full use of gas-liquid separation
The waste heat for the liquid water that module is isolated, Energy Efficiency Ratio higher.In addition, the present invention make full use of clean energy resource realize saline-water reclamation and
High-pressure dry steam is prepared, freshwater resources regeneration is realized, reduces Fossil fuel consumption and three waste discharge, reduce environmental pollution,
Energy consumption efficiency is improved, operating cost is reduced, has saved natural freshwater resources allocation and transportation and consumption.
Description of the drawings
Fig. 1 is the saline-water reclamation according to the present invention and prepares the schematic diagram of an embodiment of the integration apparatus of dry saturated steam.
Fig. 2 is the saline-water reclamation according to the present invention and prepares the signal of another embodiment of the integration apparatus of dry saturated steam
Figure.
Wherein, the reference numerals are as follows：
1 solar thermal collection system, 44 booster
11 solar energy heat collecting module, 5 desalination system
12 collection 51 flash columns of hot working fluid
13 thermal-arrest Working fluid flow module, 52 power plant module
14 collection hot working fluid heat exchange module, 521 injector
2 heat reservoir, 522 steam turbine
21 heat-storage medium, 523 compressor
22 heat-storage medium flow module, 53 evaporator
23 high-temperature heat-storage module, 54 condenser
24 low temperature heat accumulation module, 55 mixing machine
25 heater, 56 vacuum pump
3 dry saturated steam generating system A dry saturated steam
31 steam module B fixed gases
311 preheater celite water
312 steam generator D concentrates
32 gas-liquid separation module E pipelines
4 purification water storage systems F valves
41 purification water storage tank G1 working medium booster pumps
42 demineralizer G2 recovery pumps
43 oxygen-eliminating device G3 circulating pumps
Specific implementation mode
Carry out the saline-water reclamation and the integration apparatus for preparing dry saturated steam that the present invention will be described in detail with reference to the accompanying drawings.
Referring to Figures 1 and 2, saline-water reclamation of the invention and to prepare the integration apparatus of dry saturated steam include solar energy heating system
System 1, heat reservoir 2, dry saturated steam generating system 3, desalination system 5 and purification water storage systems 4.
Solar thermal collection system 1 collects the thermal energy of sunlight and by heat exchange by thermal energy storage to heat reservoir 2.Dry blowing
Vapour generating system 3 includes steam module 31 and gas-liquid separation module 32；Purified water in purification water storage systems 4 enters steam mould
With 2 heat exchange of heat reservoir after block 31, and it is vaporizated into the moist steam mixture of liquid water and vaporous water (moist steam be)；Moist steam
Into gas-liquid separation module 32 and it is separated into liquid water and dry saturated steam A (vaporous water).
Desalination system 5 includes flash column 51, power plant module 52, evaporator 53 and condenser 54；Gas-liquid separation module 32
The liquid water isolated enters flash column 51 and generates high steam, and high steam enters power plant module 52；It needs to desalinate
Brine C (such as the hard salt water of height with high salt such as underground bitter, seawater, oil gas field sewage, boiler blowdown water) enter evaporator 53
Heat absorption evaporates and isolates indirect steam and concentrate D afterwards, and a part of indirect steam enters condenser 54 and is condensed into liquid water simultaneously
Purification water storage systems 4 are stored, another part indirect steam enters power plant module 52, and desalination system 5 is discharged in concentrate D；Into
The high steam for entering power plant module 52 pressurizes to another part Secondary-steam heating, described another after heating pressurization
Part indirect steam enters evaporator 53 and heats the brine C into evaporator 53, and then is condensed into liquid water and stores to net
Change water storage systems 4.
The saline-water reclamation of the present invention and the integration apparatus for preparing dry saturated steam use solar energy as clean energy resource, pollutant
Discharge small, system operation cost is low, has higher economic benefit and environmental benefit.Due to solar thermal collection system 1 and heat accumulation
System 2 is mutual indepedent, and therefore, the thermal energy that solar thermal collection system 1 acquires freely can be stored and be discharged；At night, even if
Solar thermal collection system 1 can not work, and heat reservoir 2 is also capable of providing the heat needed for equipment operation.
The dry saturated steam A that dry saturated steam generating system 3 is prepared can directly for users to use, and the liquid water isolated can enter
Desalination system 5 re-uses, and realizes the efficient utilization of energy, reduces the energy consumption cost of steam generation and saline-water reclamation.
In addition, the saline-water reclamation of the present invention and preparing the integration apparatus of dry saturated steam by brine desalination technique and steam generation
Technique becomes one, and to simplification of flowsheet, shortens process device, reduces energy consumption, whole more compact, easily controllable
And maintenance.
In short, the present invention saline-water reclamation and prepare dry saturated steam integration apparatus be applicable to underground bitter desalination,
The high hard salt water processing with high salt such as sea water desalination, boiler blowdown water, the recycling of oil gas field sewage, wide adaptability；The present invention is light from brine
It is integrated simple and reliable process to change to the steam of the high mass dryness fraction of high pressure is produced, it is easy to accomplish；The present invention makes full use of gas-liquid separation
The waste heat for the liquid water that module 32 is isolated, Energy Efficiency Ratio higher.In addition, the present invention makes full use of clean energy resource to realize saline-water reclamation
With prepare high-pressure dry steam, realize freshwater resources regeneration, reduce Fossil fuel consumption and three waste discharge, reduce environment dirt
Dye, improves energy consumption efficiency, reduces operating cost, has saved natural freshwater resources allocation and transportation and consumption.
The concentrate D that evaporator 53 is isolated can be evaporated processing on the spot, avoid discharging of waste liquid.
Referring to Figures 1 and 2, solar thermal collection system 1 includes solar energy heat collecting module 11, collection hot working fluid 12, collection hot working fluid
Flow module 13 and collection hot working fluid heat exchange module 14.Thermal-arrest Working fluid flow module 13 connects solar energy heat collecting module 11 and thermal-arrest
Working medium heat exchange module 14, and guiding set hot working fluid 12 recycles between 11 sum aggregate hot working fluid heat exchange module 14 of solar energy heat collecting module
Flowing.Solar energy heat collecting module 11 collects the thermal energy of sunlight and is transmitted to collection hot working fluid 12, and collection hot working fluid 12 transmits thermal energy
To collection hot working fluid heat exchange module 14；Collection hot working fluid heat exchange module 14 is connected with heat reservoir 2 and transfers thermal energy to heat reservoir
2。
Wherein solar energy heat collecting module 11 can be slot type thermal-arrest array, tower thermal-arrest array or linear Fresnel thermal-arrest
Array.It can be conduction oil to integrate hot working fluid 12, conduction oil have within the scope of wider temperature preferable heat transfer property, mobility and
Low volatility, is not easy to plug or etching apparatus and pipe-line system, can effectively absorb the height of the acquisition of solar energy heat collecting module 11
Warm amount, and high temperature heat is transmitted to heat reservoir 2.Thermal-arrest Working fluid flow module 13 may include working medium booster pump G1, transfer tube
Road E and valve etc., main purpose is to adjust and domination set hot working fluid 12 circulates.Collect hot working fluid heat exchange module 14
Main includes collection hot working fluid heat sink (such as vacuum tube) and Heat supply and heat exchange device equipment, it is therefore intended that realizes the suction of solar heat
It receives and transmits.
Enter solar energy heat collecting module 11 by working medium booster pump G1 collection hot working fluids 12 after supercharged, collection hot working fluid 12 is being inhaled
Temperature increases after receiving solar energy optical-thermal, and the collection hot working fluid 12 of high temperature enters the Heat supply and heat exchange device and transfers thermal energy to aftermentioned
Heat-storage medium 21, temperature reduce and are again introduced into working medium booster pump G1, to continuously absorb and transmit the light of solar energy
Heat.Working medium booster pump G1 is preferably provided at 14 downstream of collection hot working fluid heat exchange module, and the collection hot working fluid 12 that can avoid high temperature in this way is right
The damage of the pump housing extends the service life of working medium booster pump G1, improves system run all right.
Referring to Figures 1 and 2, heat reservoir 2 includes heat-storage medium 21, heat-storage medium flow module 22, high-temperature heat-storage module
23 and low temperature heat accumulation module 24.Heat-storage medium flow module 22 is sequentially connected solar thermal collection system 1, high-temperature heat-storage module
23, the steam module 31 of dry saturated steam generating system 3 and low temperature heat accumulation module 24, and heat-storage medium 21 is controlled in solar energy heating system
Flowing between system 1, high-temperature heat-storage module 23, the steam module 31 of dry saturated steam generating system 3 and low temperature heat accumulation module 24.Storage
Thermal medium 21 heats up after solar thermal collection system 1 and forms high-temperature heat-storage medium 21, and the high-temperature heat-storage medium 21 stores
To high-temperature heat-storage module 23；The high-temperature heat-storage medium 21 in high-temperature heat-storage module 23 enters the steaming of dry saturated steam generating system 3
Cool down after vapour module 31 and form low temperature heat-storage medium 21, low temperature heat accumulation module 24 is arrived in the storage of low temperature heat-storage medium 21；It is low
The low temperature heat-storage medium 21 in warm heat accumulation module 24 reenters the heat absorption heating of solar thermal collection system 1.
Wherein heat-storage medium 21 mostly uses Molten Binary Salts, such as sodium nitrite, potassium nitrite, the prices of Molten Binary Salts is low,
Volumetric heat capacity is big, good heat conductivity, viscosity are low, flows good heat-transfer under high temperature, be suitble to high temperature heat storage and
Release.Heat-storage medium flow module 22 includes mainly pipeline E, valve F, recovery pump G2 and the circulating pump of transmission heat-storage medium 21
G3, to ensure that heat-storage medium 21 swimmingly flows.High-temperature heat-storage module 23 includes high temperature storage tank, and the heat accumulation for being loaded with thermal energy is situated between
Matter 21 is retained and is stored, and only discharges a small amount of heat-storage medium 21 to maintain system normal operation.Low temperature heat accumulation module 24 is wrapped
Low-temperature storage tank is included, the low temperature heat-storage medium 21 after thermal energy can will have been discharged and be cached, in case system circulation uses.
Heat-storage medium 21 in low-temperature storage tank enters thermal-arrest working medium heat exchange module 14 after circulating pump G3 superchargings, and heat accumulation is situated between
Matter 21 heats up after the heating by high-temperature heat-gathering working medium 12, and the high-temperature heat-storage medium 21 after heating flows into high temperature storage tank；It is most of
High-temperature heat-storage medium 21 stores in high temperature storage tank, and only sub-fraction heat-storage medium 21 exports, and flows through steam module
31 (flowing successively through aftermentioned steam generator 312 and preheater 311), temperature reduces after heat release；After release thermal energy
Low temperature heat-storage medium 21 is cached by being flowed back into low-temperature storage tank after recovery pump G2 superchargings again；So constantly cycle realizes sunlight
The reception and release of thermal energy.Recovery pump G2 and circulating pump G3 is arranged at the downstream of steam module 31, in this way can be to avoid high temperature
Damage of the heat-storage medium 21 of state to the pump housing extends the service life of recovery pump G2 and circulating pump G3, improves system operation
Stability.
Wherein, referring to Figures 1 and 2, it is additionally provided with heater 25 in high-temperature heat-storage module 23 and low temperature heat accumulation module 24.When this
The saline-water reclamation of invention and prepare the integration apparatus of dry saturated steam for a long time when not used, heat-storage medium 21 may be condensed and can not be flowed
It is dynamic, it is risen at this point, carrying out heating to the heat-storage medium 21 in high-temperature heat-storage module 23 and low temperature heat accumulation module 24 by heater 25
Temperature improves device security and adaptability to improve mobility.
Referring to Figures 1 and 2, steam module 31 includes preheater 311 and steam generator 312.It purifies in water storage systems 4
Purified water be introduced into preheater 311 and enter back into steam generator 312；Heat-storage medium flow module 22 is sequentially connected high-temperature heat-storage
Module 23, steam generator 312, preheater 311 and low temperature heat accumulation module 24 are (that is, the storage in high-temperature heat-storage module 23
Thermal medium 21 enters low temperature heat accumulation module 24 after flowing through steam generator 312 and preheater 311 according to this).
Preheater 311 can will purify the purified water that water storage systems 4 provide and be heated to presaturation state, and be transported to steam
In generator 312.The saturated water that steam generator 312 then sends preheater 311 heats vaporization, and is reaching certain humidity
Enter gas-liquid separation module 32 afterwards (gas-liquid separation module 32 can be high-pressure gas-liquid separator)；Gas-liquid separation module 32 is wet by high pressure
Steam carries out gas-liquid separation, and then produces the steam (i.e. dry saturated steam A) of high mass dryness fraction.Heat-storage medium 21 is in steam generator 312
Enter preheater 311 after heat release cooling, the purified water in preheater 311 is warming up to presaturation shape using the waste heat of heat-storage medium 21
State；The purified water of presaturation state using the heat-storage medium 21 of high temperature heat after entering steam generator 312 and height is boiled
It rises, and gas-liquid separation module 32 is entered back into steam-water separation after reaching certain humidity, the dry saturated steam A isolated is as product
It is output to exterior for users to use.The residual high pressure liquid water of separator bottom then enters the flash column of desalination system 5
In 51.
Referring to Figures 1 and 2, purification water storage systems 4 include the purification water storage tank 41, demineralizer 42, deoxygenation connected according to this
Device 43 and booster 44, booster 44 are connected with steam module 31.
Anion-cation exchange resin can be used in demineralizer 42, and main purpose is to remove remaining calcium ions and magnesium ions in purified water,
It prevents from generating fouling in follow-up heat transmission equipment.Oxygen-eliminating device 43 can be used vacuum heating power technique and carry out deoxygenation, it is therefore intended that go to remove water
In the gases such as remaining oxygen and carbon dioxide, prevent from generating oxygen corrosion and sour corrosion in heat transmission equipment.Booster 44 is then
Main includes feeding water pump (not shown) and feed pump, is mainly fetched water from purification water storage tank 41 wherein feeding water pump, feed pump is adopted more
With plunger pump, its object is to being pressurized to purified water, pipe is overcome to hinder and realizing high compacting vapour.
The purified water that water pump (not shown) is extracted certain flow by purification water storage tank 41 is fed, and soft by demineralizer 42
Change, after 43 deoxygenation of oxygen-eliminating device, into being pressurized in the feed pump of booster 44, abundance is provided for the heat exchange of subsequent purification water flowing
Power.
Referring to Figures 1 and 2, desalination system 5 further includes the mixing machine 55 being connected with flash column 51 and evaporator 53, and is needed
The brine C of desalination is introduced into mixing machine 55；Flash column 51, which generates, to be left liquid water after high steam and enters mixing machine 55, and with into
Enter the brine C mixing of mixing machine 55, mixed brine C enters evaporator 53.
In addition, desalination system 5 may also include the vacuum pump 56 being connected with condenser 54, vacuum pump 56 extracts in condenser 54
Fixed gas B (such as oxygen, carbon dioxide etc.) and keep vacuum degree in 53 shell side of evaporator.
Flash column 51 is for being flashed the liquid water that gas-liquid separation module 32 is isolated again to generate high pressure
Steam, high steam enter power plant module 52 and as the power resources of power plant module 52.Mixing machine 55 is used for flash column 51
The brine C of the high temperature liquid water and high concentration that leave is sufficiently mixed, to dilute the concentration of brine C and improve into evaporator 53
Brine C temperature, reduce evaporator 53 in heat source consumption.The purpose of evaporator 53 and condenser 54 is brine C
Evaporation generates indirect steam and condenses out to form purified water.Vacuum pump 56 is by uncooled incoagulable gas in condenser 54
It is drained into air, and maintains the vacuum degree of 53 shell side of evaporator.
The high-pressure liquid water that gas-liquid separation module 32 is isolated, which enters in flash column 51, to be flashed, and a certain amount of tool is generated
There are the steam of certain pressure, remaining flash distillation bottom water (flashing the high temperature liquid water left) then to enter mixing machine 55 and and brine
C is mixed, and mixed brine C, which enters in evaporator 53, is evaporated desalination；Indirect steam and dense is generated after brine C evaporative desalinations
Contracting liquid D；A part of indirect steam enters condenser 54 and is condensed into liquid water and stores to purification water storage systems 4, another part
Indirect steam enters power plant module 52, and desalination system 5 is discharged in concentrate D；Into power plant module 52 flash-off steam to described another
A part of Secondary-steam heating pressurization, another part indirect steam after heating pressurization enter evaporator 53 and heat entrance
The brine C of evaporator 53, and then be condensed into liquid water and store to purification water storage systems 4.
The purpose of power plant module 52 is that the pressure energy recycling evaporator 53 of the high steam generated using flash column 51 is generated
Indirect steam pressure energy, and generate heat source of the steam with certain temperature and pressure as evaporator.
Different driving structures can be used in power plant module 52.For example, referring to Fig. 1, power plant module 52 includes injector 521,
The high steam that flash column 51 generates enters another part indirect steam described in injection after injector 521, to described
Another part Secondary-steam heating pressurizes.Alternatively, with reference to Fig. 2, power plant module 52 includes steam turbine 522 and compressor
523 (such as mechanical compressors), steam turbine 522 are connected with flash column 51, compressor 523 and purification water storage systems 4 respectively；
Another part indirect steam enters compressor；The high steam that flash column 51 generates pushes steam turbine 522 and is condensed into
Liquid water, the liquid water storage to purification water storage systems 4；Steam turbine 522 transfers power to compressor, compressor pair
Another part Secondary-steam heating pressurization.Steam turbine 522 uses full fluidised form turbine, outlet connection purification water storage tank 41
Import.Steam turbine 522 is connect using gearbox with compressor 523 and realizes that power transmits.Steam turbine 522 and compressor
523 purpose is, the kinetic energy of flash-off steam is converted into mechanical energy and realizes the mechanical compression of indirect steam, to carry
The pressure and temperature of high indirect steam, and then use as the heat source of evaporator 53.
Referring to Figures 1 and 2, evaporator 53 can be multi-effect evaporator.
The saline-water reclamation of the present invention is explained in detail below and prepares the Working mould of the preferred embodiment of the integration apparatus of dry saturated steam
Formula.
On daytime, solar thermal collection system 1 runs well.Working medium booster pump G1 is sent into after being pressurized low-temperature heat collection working medium 12
To absorbing solar energy in solar energy heat collecting module 11,12 temperature of low-temperature heat collection working medium is increased to certain temperature and leaves solar energy
Heat collecting module 11, high-temperature heat-gathering working medium 12, which enters in collection hot working fluid heat exchange module 14, later transfers heat to low temperature heat-storage medium
Temperature reduces after 21, and the collection hot working fluid 12 of low temperature flows back into working medium booster pump G1 again.So cycle is repeatedly thus by solar energy
It is transmitted to heat-storage medium 21.
The heat-storage medium 21 for absorbing collection 12 heat of hot working fluid is flowed into high-temperature heat-storage module 23 and stores up by itself overbottom pressure
It stores away.Under the swabbing action of recovery pump G2, the outflow high-temperature heat-storage of high-temperature heat-storage medium 21 module 23 of certain flow is simultaneously suitable
Sequence enters steam generator 312 and preheater 311, to reject heat to purified water.Discharge the heat-storage medium 21 of heat
Temperature reduces, and low temperature heat accumulation module 24 is flowed back under the action of recovery pump G2, and valve F is open-minded, and circulating pump G3 aspirates a constant current
The heat-storage medium 21 of amount simultaneously enters the heat for receiving collection hot working fluid 12 in collection hot working fluid heat exchange module 14, recycles repeatedly.
Purified water becomes moist steam after absorbing the heat of heat-storage medium 21 and carries out carbonated drink in gas-liquid separation module 32
Separation is isolated dry saturated steam supply user and is used.32 bottom water of gas-liquid separation module (liquid water isolated) then passes through flash column
The steam of certain pressure is generated after 51 flash distillations, this strand of steam enters two that injector 521 and injection partial vaporiser 53 evaporate
Secondary steam, and then generate middle pressure steam.Medium pressure steam enters evaporator 53 and as the heat source of evaporator 53, also
It is heating brine C so that its evaporation, medium pressure steam itself condense and flows back into purification water storage tank 41.
Evaporator 53 can be set as multiple-effect, and the indirect steam and the brine C after decompression of a upper effect have respectively entered next effect, then
It is secondary to be evaporated concentration, the concentrate D of tail effect then discharge system.The indirect steam that tail effect generates is divided into two strands, one enters cold
Condenser 54 is condensed into liquid water and stores to water storage tank 41 is purified, and in addition one low-pressure secondary steam is then drawn onto injector by volume
It is recycled in 521.Condensed water is all flowed back into purification water storage tank 41 and is stored in condenser 54 and evaporator 53, Partial cleansing
Water after the softening of demineralizer 42,43 deoxygenation of oxygen-eliminating device, booster 44 are pressurized by entering preheater 311 and steam generator
It is heated in 312 and generates high steam.
At night or rainy days, solar thermal collection system 1 shuts down.Close valve F, cut-out low temperature heat accumulation module 24
With the connection of collection hot working fluid heat exchange module；The high-temperature heat-storage medium 21 that high-temperature heat-storage module 23 stores continues to improve needed for equipment
Heat.The switching on daytime and night heat accumulation and heat release operating mode can be realized using a valve F by the present invention, easy to operate,
It is convenient and efficient.
Claims (10)
1. a kind of saline-water reclamation and the integration apparatus for preparing dry saturated steam, which is characterized in that including solar thermal collection system (1),
Heat reservoir (2), dry saturated steam generating system (3), desalination system (5) and purification water storage systems (4)；
Solar thermal collection system (1) collects the thermal energy of sunlight and by heat exchange by thermal energy storage to heat reservoir (2)；
Dry saturated steam generating system (3) includes steam module (31) and gas-liquid separation module (32)；It purifies in water storage systems (4)
Purified water enters steam module (31) afterwards with heat reservoir (2) heat exchange, and is vaporizated into moist steam；Moist steam enters gas-liquid separation
Module (32) is simultaneously separated into liquid water and dry saturated steam (A)；
Desalination system (5) includes flash column (51), power plant module (52), evaporator (53) and condenser (54)；Gas-liquid separation
The liquid water that module (32) is isolated enters flash column (51) and generates high steam, and high steam enters power plant module
(52)；It needs the brine (C) desalinated to absorb heat afterwards into evaporator (53) and evaporates and isolate indirect steam and concentrate (D), one
Part indirect steam enters condenser (54) and is condensed into liquid water and stores to purification water storage systems (4), and another part is secondary
Steam enters power plant module (52), and desalination system (5) is discharged in concentrate (D)；Into the high steam of power plant module (52)
It pressurizes to another part Secondary-steam heating, another part indirect steam after heating pressurization enters evaporator (53)
And brine (C) into evaporator (53) is heated, and then be condensed into liquid water and store to purification water storage systems (4).
2. saline-water reclamation according to claim 1 and the integration apparatus for preparing dry saturated steam, which is characterized in that
Solar thermal collection system (1) includes solar energy heat collecting module (11), collection hot working fluid (12), thermal-arrest Working fluid flow module (13)
And collection hot working fluid heat exchange module (14)；
Thermal-arrest Working fluid flow module (13) connects solar energy heat collecting module (11) sum aggregate hot working fluid heat exchange module (14), and guiding set
Hot working fluid (12) circulates between solar energy heat collecting module (11) sum aggregate hot working fluid heat exchange module (14)；
Solar energy heat collecting module (11) collects the thermal energy of sunlight and is transmitted to collection hot working fluid (12), collects hot working fluid (12) by thermal energy
It is transmitted to collection hot working fluid heat exchange module (14)；
Collection hot working fluid heat exchange module (14) is connected with heat reservoir (2) and transfers thermal energy to heat reservoir (2).
3. saline-water reclamation according to claim 1 and the integration apparatus for preparing dry saturated steam, which is characterized in that
Heat reservoir (2) includes heat-storage medium (21), heat-storage medium flow module (22), high-temperature heat-storage module (23) and low temperature
Heat accumulation module (24)；
Heat-storage medium flow module (22) is sequentially connected solar thermal collection system (1), high-temperature heat-storage module (23), dry saturated steam and occurs
The steam module (31) and low temperature heat accumulation module (24) of system (3), and heat-storage medium (21) is controlled in solar thermal collection system
(1), between high-temperature heat-storage module (23), the steam module (31) of dry saturated steam generating system (3) and low temperature heat accumulation module (24)
Flowing；
Heat-storage medium (21) heats up after solar thermal collection system (1) and forms high-temperature heat-storage medium (21), the high temperature storage
High-temperature heat-storage module (23) is arrived in thermal medium (21) storage；The high-temperature heat-storage medium (21) in high-temperature heat-storage module (23) enters
The steam module (31) of dry saturated steam generating system (3) cools down and forms low temperature heat-storage medium (21), the low temperature heat-storage medium afterwards
(21) low temperature heat accumulation module (24) is arrived in storage；The low temperature heat-storage medium (21) in low temperature heat accumulation module (24) reenters too
Positive energy collecting system (1), which is absorbed heat, to be heated up.
4. saline-water reclamation according to claim 3 and the integration apparatus for preparing dry saturated steam, which is characterized in that high-temperature heat-storage
It is additionally provided with heater (25) in module (23) and low temperature heat accumulation module (24).
5. saline-water reclamation according to claim 4 and the integration apparatus for preparing dry saturated steam, which is characterized in that
Steam module (31) includes preheater (311) and steam generator (312)；
Purified water in purification water storage systems (4) is introduced into preheater (311) and enters back into steam generator (312)；
Heat-storage medium flow module (22) is sequentially connected high-temperature heat-storage module (23), steam generator (312), preheater (311)
With low temperature heat accumulation module (24).
6. saline-water reclamation according to claim 1 and the integration apparatus for preparing dry saturated steam, which is characterized in that
Purification water storage systems (4) include the purification water storage tank (41) connected according to this, demineralizer (42), oxygen-eliminating device (43) and increase
Depressor (44), booster (44) are connected with steam module (31).
7. saline-water reclamation according to claim 1 and the integration apparatus for preparing dry saturated steam, which is characterized in that
Desalination system (5) further includes the mixing machine (55) being connected with flash column (51) and evaporator (53), and needs the salt desalinated
Water (C) is introduced into mixing machine (55)；
Flash column (51), which generates, to be left liquid water after high steam and enters mixing machine (55), and with the brine that enters mixing machine (55)
(C) it mixes, mixed brine (C) enters evaporator (53).
8. saline-water reclamation according to claim 1 and the integration apparatus for preparing dry saturated steam, which is characterized in that
Desalination system (5) further includes the vacuum pump (56) being connected with condenser (54), and vacuum pump (56) extracts in condenser (54)
Fixed gas (B) and keep vacuum degree in evaporator (53) shell side.
9. saline-water reclamation according to claim 1 and the integration apparatus for preparing dry saturated steam, which is characterized in that
Power plant module (52) includes injector (521), after the high steam that flash column (51) generates enters injector (521)
Another part indirect steam described in injection, to pressurize to another part Secondary-steam heating；
Alternatively,
Power plant module (52) includes steam turbine (522) and compressor (523), steam turbine (522) respectively with flash column (51),
Compressor (523) and purification water storage systems (4) are connected；Another part indirect steam enters compressor；Flash column (51)
The high steam of generation pushes steam turbine (522) and is condensed into liquid water, the liquid water storage to purification water storage systems
(4)；Steam turbine (522) transfers power to compressor, and compressor pressurizes to another part Secondary-steam heating.
10. saline-water reclamation according to claim 1 and the integration apparatus for preparing dry saturated steam, which is characterized in that evaporator
(53) it is multi-effect evaporator.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114017868A (en) * | 2022-01-04 | 2022-02-08 | 浙大宁波理工学院 | Air conditioning system of photovoltaic energy supply |
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