CN110143630A - Water and electricity cogeneration system - Google Patents
Water and electricity cogeneration system Download PDFInfo
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- CN110143630A CN110143630A CN201910434563.4A CN201910434563A CN110143630A CN 110143630 A CN110143630 A CN 110143630A CN 201910434563 A CN201910434563 A CN 201910434563A CN 110143630 A CN110143630 A CN 110143630A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 230000005611 electricity Effects 0.000 title abstract description 10
- 238000010612 desalination reaction Methods 0.000 claims abstract description 55
- 239000013535 sea water Substances 0.000 claims abstract description 49
- 239000000126 substance Substances 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 14
- 235000020188 drinking water Nutrition 0.000 claims description 8
- 239000003651 drinking water Substances 0.000 claims description 8
- 235000020118 bottled purified water Nutrition 0.000 claims description 5
- 238000006392 deoxygenation reaction Methods 0.000 claims description 5
- 238000000909 electrodialysis Methods 0.000 claims description 4
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 2
- 238000004148 unit process Methods 0.000 claims 1
- 239000013505 freshwater Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/427—Treatment of water, waste water, or sewage by ion-exchange using mixed beds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a water and electricity cogeneration system, which comprises: a boiler that heats circulating water to generate steam; the steam generator set comprises a subcritical parameter and more generator sets, wherein the subcritical parameter and more generator sets receive steam generated by the boiler to do work to generate first electric energy and generate first extracted steam and first dead steam; the back pressure generating set receives the subcritical parameter and the first extracted steam generated by the generating sets to continuously do work to generate second electric energy and generate second dead steam; the seawater desalination unit receives the second dead steam, desalinates the second dead steam, and outputs condensed water and part of desalinated water for the boiler to use; a power grid that receives the first electrical energy and the second electrical energy. The technical effects of desalinating seawater by utilizing steam heat energy, realizing self-sufficiency of fresh water, reducing the water treatment cost of the boiler and realizing cogeneration and symbiosis of water and electricity are achieved.
Description
Technical field
The present invention relates to field of sea water desalting technology more particularly to a kind of water-electricity cogeneration systems.
Background technique
With the development of society, in order to meet the needs of to electric power sharp increase, under huge environmental protection pressure, coastal cloth
The newly-built Sub-critical Parameter of office and the above generating set.Coastal area layout is typically chosen in uninhabited beach area, these
Often freshwater resources lack in " isolated island " place, along with water consumption is big, introduces fresh water and need to spend huge sums to build pipe network, and water price is high,
It causes to introduce the contradiction that water is striven in area with fresh water, and there are the risks of cut-off.Coastal have a seawater abundance huge advantage, and thermal method
Sea water desalination can use low-quality steam and convert seawater into high-quality demineralized water, for living and producing and using.
But present invention applicant during technical solution, has found the above-mentioned prior art extremely in realizing the embodiment of the present invention
It has the following technical problems less:
There are freshwater resources insufficient supply for adjacent sea stand alone generating system in the prior art, and boiler feed water processing cost is high
The technical issues of.
Summary of the invention
The embodiment of the invention provides a kind of water-electricity cogeneration systems, to solve adjacent sea Independent Power Generation in the prior art system
Uniting, there are freshwater resources insufficient supply, and the technical problem that boiler feed water processing cost is high.By that will generate electricity and sea water desalination phase
In conjunction with, reach and desalinized seawater using steam thermal energy, has realized that fresh water is self-sufficient, reduction boiler feed water processing cost, realization water
The technical effect of Electricity Federation production, symbiosis.
To solve the above-mentioned problems, the embodiment of the invention provides a kind of water-electricity cogeneration system, the system comprises: pot
Furnace, the boiler heat recirculated water, generate steam；Sub-critical Parameter and the above generating set, the Sub-critical Parameter
And the above generating set receives the steam that the boiler generates and carries out acting the first electric energy of generation, and generates the first steam extraction and first
Steam exhaust；Back pressure generating set, the back pressure generating set receive the Sub-critical Parameter and the above generating set generate it is described
First steam extraction continues acting and generates the second electric energy, generates the second steam exhaust；Sea water desalination unit, the sea water desalination unit receive institute
The second steam exhaust is stated, desalt processing is carried out to second steam exhaust, condensed water is exported and part desalination water is used for the boiler；Electricity
Net, the power grid receive first electric energy and second electric energy.
Preferably, the system also includes Water Treatment unit, the Water Treatment unit is arranged in the seawater
After desalination unit, the Water Treatment unit receives the condensed water and part desalination water of the sea water desalination unit output,
Output chemical water after processing；Oxygen-eliminating device, the oxygen-eliminating device are arranged between the Water Treatment unit and the boiler, receive
The chemical water of the Water Treatment unit output inputs the boiler after carrying out deoxygenation to the chemical water.
Preferably, the system also includes: other water to dissolve unit, other water consumption unit and the sea water desalination
Unit connection, receive another part desalination water that the sea water desalination unit generates carry out using.
Preferably, the system also includes condenser, the input terminals of the condenser and the Sub-critical Parameter or more
The output end of generating set connects, and output end is connect with the input terminal of the Water Treatment unit, receives first steam exhaust
Condensed water is generated afterwards enters the Water Treatment cell processing.
Preferably, the Water Treatment unit be mixed bed processing, electrodialysis process, reverse osmosis treatment it is one such or
It is a variety of.
Preferably, other water consumption unit is life drinking water treatment and consumption system and/or industry water consumption system
System.
Preferably, the Drinking Water processing and consumption system include bottled or the outer pin system of Bottled purified drinking water.
Said one or multiple technical solutions in the embodiment of the present invention at least have following one or more technology effects
Fruit:
The embodiment of the invention provides a kind of water-electricity cogeneration system, the system comprises: boiler, the boiler is to recirculated water
It is heated, generates steam；Sub-critical Parameter and the above generating set, the Sub-critical Parameter and the above generating set receive institute
The steam for stating boiler generation carries out acting and generates the first electric energy, and generates the first steam extraction and the first steam exhaust；Back pressure generating set, institute
It states back pressure generating set and receives first steam extraction that the Sub-critical Parameter and the above generating set generate and continue acting and generate
Second electric energy generates the second steam exhaust；Sea water desalination unit, the sea water desalination unit receive second steam exhaust, to described the
Two steam exhaust carry out desalt processing, export condensed water and part desalination water is used for the boiler；Power grid, described in the power grid receives
First electric energy and second electric energy.By the way that the back pressure generator and the sea water desalination unit is rationally arranged, benefit is reached
It is desalinized seawater with steam thermal energy, realizes the self-sufficient of fresh water, boiler feed water processing cost is reduced, to solve the prior art
Middle adjacent sea stand alone generating system freshwater resources are insufficient, and the technical problem that boiler feed water processing cost is high, and then reach water
The technical effect of Electricity Federation production, symbiosis.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the water-electricity cogeneration system provided in the embodiment of the present invention.
Appended drawing reference: boiler 1, Sub-critical Parameter and the above generating set 2, back pressure generating set 3, sea water desalination unit 4,
Water Treatment unit 5, oxygen-eliminating device 6, condenser 7, power grid 8, other water dissolve unit 9.
Specific embodiment
The embodiment of the invention provides a kind of water-electricity cogeneration systems, solve adjacent sea stand alone generating system in the prior art
It is insufficient that there are freshwater resources, and the technical problem that boiler feed water processing cost is high.It is mutually tied by that will generate electricity with sea water desalination
It closes, has reached and desalinized seawater using steam thermal energy, realize that fresh water is self-sufficient, reduce boiler feed water processing cost, realize water power
The technical effect of coproduction, symbiosis.
Technical solution in the embodiment of the present invention, overall structure are as follows: boiler, and the boiler heats recirculated water,
Generate steam；Sub-critical Parameter and the above generating set, the Sub-critical Parameter and the above generating set receive the boiler and produce
Raw steam carries out acting and generates the first electric energy, and generates the first steam extraction and the first steam exhaust；Back pressure generating set, the back pressure hair
Motor group receives first steam extraction that the Sub-critical Parameter and the above generating set generate and continues acting the second electric energy of generation,
Generate the second steam exhaust；Sea water desalination unit, the sea water desalination unit receive second steam exhaust, carry out to second steam exhaust
Desalt processing, exports condensed water and part desalination water is used for the boiler；Power grid, the power grid receive first electric energy and
Second electric energy.By the way that the back pressure generator and the sea water desalination unit is rationally arranged, reaches and utilized steam thermal energy
It desalinizes seawater, realizes the self-sufficient of fresh water, reduce boiler feed water processing cost, and then reach the technology of water-electricity cogeneration, symbiosis
Effect.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
The embodiment of the invention provides a kind of water-electricity cogeneration systems, referring to FIG. 1, the system comprises:
Boiler 1, the boiler 1 heat recirculated water, generate steam；
Sub-critical Parameter and the above generating set 2, the Sub-critical Parameter and the above generating set 2 receive the boiler 1
The steam of generation carries out acting and generates the first electric energy, and generates the first steam extraction and the first steam exhaust；
Back pressure generating set 3, the back pressure generating set 3 receives the Sub-critical Parameter and the above generating set 2 generates
First steam extraction continue acting generate the second electric energy, generate the second steam exhaust；
Sea water desalination unit 4, the sea water desalination unit 4 receive second steam exhaust, carry out to second steam exhaust light
Change processing, exports condensed water and part desalination water is used for the boiler 1；
Power grid 8, the power grid 8 receive first electric energy and second electric energy.
Specifically, as shown in Figure 1, a kind of water-electricity cogeneration system provided in an embodiment of the present invention is by boiler 1, subcritical ginseng
The several and above generating set 2, back pressure generating set 3, sea water desalination unit 4, power grid 8, Water Treatment unit 5, oxygen-eliminating device 6,
Condenser 7, other water consumption unit 9 form.Wherein, the boiler 1 heats processed chemical water, and generates steaming
Vapour, the steam for then heating and generating through the boiler 1 carry out acting hair into the Sub-critical Parameter and the above generating set 2
Electricity generates the first electric energy, the first steam extraction and the first steam exhaust, wherein first steam extraction is to take out the steam for partially having done function
Continue acting into the back pressure generating set 3 out and generate the second electric energy and the second steam exhaust, it is therefore intended that improves generating set
The thermal efficiency reduces energy loss, wherein first electric energy and second electric energy are admitted to the power grid 8 for users to use；
Second steam exhaust that the back pressure generating set 3 generates enters the sea water desalination unit 4, becomes condensing with seawater to make heat exchange
Water, while evaporation of seawater generates desalination water, and then output condensed water and part desalination water are used for the boiler 1, by institute
Sea water desalination unit 4 described in 3 postposition of back pressure generating set is stated, steam turbine exhaust heat resource has been recycled, has reached utilization
Steam thermal energy desalinizes seawater, and realizes the self-sufficient of fresh water, and then realize the technical effect of water-electricity cogeneration, symbiosis.
Further, the system also includes Water Treatment unit 5, the Water Treatment unit 5 is arranged described
After sea water desalination unit 4, the Water Treatment unit 5 receives the condensed water and part that the sea water desalination unit 4 exports
Desalination water, output chemical water after processing；Oxygen-eliminating device 6, the setting of oxygen-eliminating device 6 is in the Water Treatment unit 5 and the pot
Between furnace 1, the chemical water of 5 output of Water Treatment unit is received, inputs the pot after carrying out deoxygenation to the chemical water
Furnace 1.
Further, the Water Treatment unit 5 is mixed bed processing, electrodialysis process, reverse osmosis treatment therein one
Kind is a variety of.
Specifically, condensed water caused by the sea water desalination unit 4 and part desalination water enter at the chemical water
Reason unit 5 handled after output chemical water, wherein the Water Treatment unit 5 be mixed bed processing, electrodialysis process, instead
Infiltration processing is one such or a variety of, it is intended to remove the ion in the condensed water and part desalination water, the chemical water is again
It is used after the oxygen-eliminating device 6 carries out deoxygenation for the boiler 1, has further reached mitigation Water Treatment load, reduce pot
The technical effect of the cost of water treatment of furnace 1.
Further, the system also includes condenser 7, the input terminal and the Sub-critical Parameter of the condenser 7 and
The output end of the above generating set 2 connects, and output end is connect with the input terminal of the Water Treatment unit 5, reception described the
Condensed water is generated after one steam exhaust into the Water Treatment unit 5 processing.
Specifically, the setting of condenser 7 is at the Sub-critical Parameter and the above generating set 2 and the chemical water
It manages between unit 5, wherein first steam exhaust is through the condensing caused by the Sub-critical Parameter and the above generating set 2
Device 7 generates condensed water and enters the Water Treatment unit 5 processing output chemical water after condensing, then through 6 deoxygenation of oxygen-eliminating device
It is used afterwards for the boiler 1.
Further, the system also includes: other water to dissolve unit 9, other water consumption unit 9 and the seawater
Desalination unit 4 connects, receive another part desalination water that the sea water desalination unit 4 generates carry out using.
Further, other water consumption unit 9 is life drinking water treatment and consumption system and/or industry water consumption
System.
Further, the Drinking Water processing and consumption system include bottled or Bottled purified drinking water export trade system
System.
Specifically, another part desalination water caused by the sea water desalination unit 4 is admitted to other water consumption
Unit 9 carries out digestion use to another part desalination water, is made with meeting life requirement and other productions in Coastal beach area
With, wherein other water consumption unit 9 is drinking water treatment and the consumption system and/or industry water consumption system of living,
In, the Drinking Water processing and consumption system include bottled or the outer pin system of Bottled purified drinking water.It further solves
The problem of freshwater resources insufficient supply or even cut-off, realize the self-centered technical effect of freshwater resources.
The technical solution provided in the embodiment of the present invention, has at least the following technical effects or advantages:
The embodiment of the invention provides a kind of water-electricity cogeneration system, the system comprises: boiler, the boiler is to recirculated water
It is heated, generates steam；Sub-critical Parameter and the above generating set, the Sub-critical Parameter and the above generating set receive institute
The steam for stating boiler generation carries out acting and generates the first electric energy, and generates the first steam extraction and the first steam exhaust；Back pressure generating set, institute
It states back pressure generating set and receives first steam extraction that the Sub-critical Parameter and the above generating set generate and continue acting and generate
Second electric energy generates the second steam exhaust；Sea water desalination unit, the sea water desalination unit receive second steam exhaust, to described the
Two steam exhaust carry out desalt processing, export condensed water and part desalination water is used for the boiler；Power grid, described in the power grid receives
First electric energy and second electric energy.By the way that the back pressure generator and the sea water desalination unit is rationally arranged, benefit is reached
It is desalinized seawater with steam thermal energy, realizes the self-sufficient of fresh water, boiler feed water processing cost is reduced, to solve the prior art
Middle adjacent sea stand alone generating system freshwater resources are insufficient, and the technical problem that boiler feed water processing cost is high, and then reach water
The technical effect of Electricity Federation production, symbiosis.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of water-electricity cogeneration system, which is characterized in that the system comprises:
Boiler, the boiler heat recirculated water, generate steam；
Sub-critical Parameter and the above generating set, the Sub-critical Parameter and the above generating set receive the steaming that the boiler generates
Vapour carries out acting and generates the first electric energy, and generates the first steam extraction and the first steam exhaust；
Back pressure generating set, the back pressure generating set receive that the Sub-critical Parameter and the above generating set generate described the
One steam extraction continues acting and generates the second electric energy, generates the second steam exhaust；
Sea water desalination unit, the sea water desalination unit receive second steam exhaust, carry out desalt processing to second steam exhaust,
Output condensed water and part desalination water are used for the boiler；
Power grid, the power grid receive first electric energy and second electric energy.
2. the system as claimed in claim 1, which is characterized in that the system also includes:
Water Treatment unit, the Water Treatment unit is arranged after the sea water desalination unit, at the chemical water
Reason unit receives the condensed water and part desalination water of the sea water desalination unit output, output chemical water after processing；
Oxygen-eliminating device, the oxygen-eliminating device are arranged between the Water Treatment unit and the boiler, receive at the chemical water
The chemical water for managing unit output inputs the boiler after carrying out deoxygenation to the chemical water.
3. the system as claimed in claim 1, which is characterized in that the system also includes:
Other water dissolve unit, other water consumption unit is connect with the sea water desalination unit, receive the sea water desalination
Unit generate another part desalination water carry out using.
4. the system as described in right will go 2, which is characterized in that the system also includes:
Condenser, the input terminal of the condenser are connect with the output end of the Sub-critical Parameter and the above generating set, output
End is connect with the input terminal of the Water Treatment unit, generates condensed water into the chemical water after receiving first steam exhaust
Processing unit processes.
5. the system as claimed in claim 1, which is characterized in that the Water Treatment unit is that mixed bed is handled, at electrodialysis
Reason, reverse osmosis treatment are one such or a variety of.
6. the system as claimed in claim 1, which is characterized in that other water consumption unit is life drinking water treatment and disappears
Receive system and/or industry water consumption system.
7. the system as claimed in claim 1, which is characterized in that Drinking Water processing and consumption system include it is bottled or
The outer pin system of Bottled purified drinking water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434563.4A CN110143630A (en) | 2019-05-23 | 2019-05-23 | Water and electricity cogeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434563.4A CN110143630A (en) | 2019-05-23 | 2019-05-23 | Water and electricity cogeneration system |
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| Publication Number | Publication Date |
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| CN110143630A true CN110143630A (en) | 2019-08-20 |
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ID=67592938
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| CN201910434563.4A Pending CN110143630A (en) | 2019-05-23 | 2019-05-23 | Water and electricity cogeneration system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761747A (en) * | 2021-01-19 | 2021-05-07 | 山东电力工程咨询院有限公司 | Water-heat-power cogeneration system and method based on seawater desalination and cascade energy utilization |
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