CN107311256A - A kind of water charging system of coastal waters thermal power plant - Google Patents
A kind of water charging system of coastal waters thermal power plant Download PDFInfo
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- CN107311256A CN107311256A CN201710647977.6A CN201710647977A CN107311256A CN 107311256 A CN107311256 A CN 107311256A CN 201710647977 A CN201710647977 A CN 201710647977A CN 107311256 A CN107311256 A CN 107311256A
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- 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
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- 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
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- 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
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- 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
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a kind of water charging system of coastal waters thermal power plant.The water charging system includes：The first serpentine coil, the first seawater inlet, exhaust steam entrance, the first seawer outlet, fresh water entrance, condensation water out and evacuation port are set in condensing tower and sea water desalinating unit, condensing tower；First seawater inlet is connected with the entrance of the first serpentine coil, exhaust steam entrance and thermal power plant's steam unit exhaust steam outlet；Sea water desalinating unit sets the second seawater inlet and water outlet, and the first seawer outlet is connected with the second seawater inlet, and water outlet is connected with fresh water entrance；Thermal power plant's exhaust steam enters condensing tower through exhaust steam entrance, and seawater enters the first serpentine coil through the first seawater inlet, and seawater is the pre- hot sea water of one-level after cold and hot exchange；A part of exhaust steam is empty in condensing tower top row through evacuation port, another part is changed into the collecting-tank that condensate enters condensing tower, the pre- hot sea water of one-level enters sea water desalinating unit through the second seawater inlet, and processing fresh water enters collecting-tank through fresh water entrance, and it provides cooling water for thermal power plant.
Description
Technical field
Field, more particularly to a kind of water charging system of coastal waters thermal power plant are utilized the present invention relates to water resource.
Background technology
Energy-saving and emission-reduction turn into the theme of current era.And the exhaust steam of the condensing tower in thermal power plant is just straight without making full use of
Connect to air and discharge, while causing water resource largely to waste, a large amount of heat energy that also causing exhaust steam has are wasted.
And in fact, the heat of these exhaust steam can be fully utilized.
Rationally reliable water replanishing device is designed and developed, Neng Shi coastal waters thermal power plant utilizes advantageous seawater resources advantage,
It is significant with sustainable development for making rational planning for of utilizing of energy-saving and emission-reduction and water resource.
Wherein, the treatment effeciency for desalination treatment system need further raising.
The content of the invention
In view of this, the embodiments of the invention provide a kind of water charging system of coastal waters thermal power plant, main purpose is reasonable profit
With thermal power plant's exhaust steam thermal source and coastal waters advantage, cooling water is supplemented as thermal power plant after desalinization is handled.
To reach above-mentioned purpose, invention broadly provides following technical scheme：
On the one hand, the embodiments of the invention provide a kind of water charging system of coastal waters thermal power plant, the water charging system includes：
Condensing tower and sea water desalinating unit；
It is provided with the first serpentine coil in the condensing tower, the condensing tower is provided with the first seawater inlet, exhaust steam entrance, the
One seawer outlet, fresh water entrance, condensation water out and evacuation port；First seawater inlet enters with first serpentine coil
Mouth connection, the exhaust steam outlet of the exhaust steam entrance and the steam unit of the thermal power plant；
The sea water desalinating unit is provided with the second seawater inlet and water outlet, first seawer outlet and described the
Two seawater inlets are connected, and the water outlet is connected with the fresh water entrance；
The exhaust steam that thermal power plant's generating is produced is entered by the exhaust steam entrance is used as hot logistics in the condensing tower, seawater leads to
Cross first seawater inlet interior as cold logistics into first serpentine coil, the hot logistics is handed over the cold logistics heat
After changing, the seawater turns into the pre- hot sea water of one-level；A part of exhaust steam is by the evacuation port at the top of the condensing tower
Emptying, exhaust steam described in another part is changed into condensate into the collecting-tank in the condensing tower, and the pre- hot sea water of one-level passes through
Second seawater inlet enters the sea water desalinating unit, and the fresh water after processing is catchmented by the fresh water entrance described in
In pond, the collecting-tank provides cooling water for the cooling system of the thermal power plant.
Preferably, the sea water desalinating unit includes heat exchange case and heater；
It is provided with the heat exchange case on the second serpentine coil, the heat exchange case at least provided with the second seawater inlet, the
Two seawer outlets, steam inlet and water outlet, second seawater inlet are connected with first seawer outlet, the fresh water
Outlet is connected with the fresh water entrance of the condensing tower；
The heater includes solar concentrator, water collecting equipment and solar heat collector；
The solar heat collector is closely connected located at the top of the water collecting equipment and with it, and the solar heat collector is institute
The seawater surface stated in water collecting equipment provides the first thermal source；
The solar concentrator is located at the lower section of the water collecting equipment, and the solar concentrator is the water collecting equipment
Interior seawater provides Secondary Heat Source；
The water collecting equipment is provided with the 3rd seawater inlet, and the 3rd seawater inlet connects with second seawer outlet
It is logical；
The solar heat collector is provided with steam (vapor) outlet, and the steam inlet of the steam (vapor) outlet and the heat exchange case connects
It is logical.
Preferably, the solar heat collector is crown transparent glass, the solar heat collector is made up of multiple convex lens,
The solar heat collector is connected through a screw thread with the water collecting equipment or pin is connected or bolt connection shape is integral.
Preferably, the center section of the solar heat collector is semi-cylindrical curved surface, two ends are hemispherical curved surface, institute
Water collecting equipment is stated to be connected with solar heat collector adaptation.
Preferably, the plain line on the semi-cylindrical curved surface top of the solar heat collector and the seawater in the water collecting equipment
The radius of the hemispherical curved surface of vertical range, the solar heat collector between surface, the semi-cylindrical of the solar heat collector
The focal length of the lateral length of curved surface and the convex lens on the solar heat collector surface is equal.
Preferably, the bottom of the water collecting equipment is provided with outlet, for concentrated seawater discharge；The material of the water collecting equipment
Matter is heat-conducting metal.
Preferably, the material of the water collecting equipment is titanium alloy；The bottom of the water collecting equipment is coated with heat absorbing coating；
The convex lens are shaped as circle.
Preferably, horizontal plane where the solar condenser is parallel to the ground, at least five on the solar condenser
The focus of/tri- quantity faces the plain line below water collecting equipment, wherein, the focus at the middle part of the solar condenser is just right
The middle part of water collecting equipment outer bottom.
Preferably, first seawater inlet is by the first connecting tube and the outlet of sea water supply device, it is described
The first check valve is provided with first connecting tube；Second seawer outlet is connected by the second connecting tube and the 3rd seawater inlet
It is logical, the second check valve is provided with second connecting tube；The steam (vapor) outlet is connected by the 3rd connecting tube and the steam inlet
It is logical.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention for coastal waters thermal power plant condensing tower exhaust steam heat without the technical problem that makes full use of, using by exhaust steam
Desalting process is carried out as hot logistics heating seawater, exhaust steam condensation efficiency is not only increased, is desalting process again
Part of heat energy is provided, promotes desalting process, and then produces fresh water, the fresh water and the exhaust steam condensed can be used as thermal power plant's moisturizing
The cooling water of system, has reached and has made rational planning for, using resource, and sustainable recycling resource, energy-saving and emission-reduction reduce the mesh of cost
's.
Brief description of the drawings：
Fig. 1 is the structural representation of coastal waters thermal power plant provided in an embodiment of the present invention water charging system
Fig. 2 is sea water desalinating unit structural representation provided in an embodiment of the present invention；
Fig. 3 is condensing tower structural representation provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram that solar heat collector surface provided in an embodiment of the present invention is provided with convex lens；
Fig. 5 is convex lens optically focused schematic diagram in solar heat collector surface provided in an embodiment of the present invention；
Fig. 6 is the side structure schematic diagram of heater provided in an embodiment of the present invention；
Fig. 7 is the positive structure schematic of heater provided in an embodiment of the present invention；
Fig. 8 is convex lens schematic diagram provided in an embodiment of the present invention.
Reference：
1. condensing tower, 101. first seawater inlets, 102. condense water out, and 103. exhaust steam entrances, 104. first seawater go out
Mouthful, 105. first serpentine coils, 106. first check valves, 107. fresh water entrances, 108. first connecting tubes, 2. heating commuting cases,
201. second serpentine coils, 202. second seawater inlets, 203. second seawer outlets, 204. steam inlets, 205. water outlets,
3. solar heat collector, 301. steam (vapor) outlets, 302. convex lens, 4. water collecting equipments, 401. the 3rd seawater inlets, 402. outlets,
403. heat absorbing coatings, 5. solar concentrators, 6. the second connecting tubes of support .701., 701. second check valves, 702. the 3rd connections
Pipe.
Embodiment
For further illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below with compared with
Good embodiment, to embodiment, technical scheme, feature and its effect according to the present patent application, is described in detail as after.Under
State it is bright in multiple embodiments in special characteristic, structure or feature can be combined by any suitable form.
Embodiment 1
As shown in figs 1 to 6, a kind of water charging system of coastal waters thermal power plant, above-mentioned water charging system includes：Condensing tower 1 and seawater
1 is provided with the first serpentine coil 105 in desalting plant, above-mentioned condensing tower；Above-mentioned condensing tower 1 is provided with the first seawater inlet 101, weary
Vapour entrance 103, the first seawer outlet 104, fresh water entrance 107, condensation water out 102 and evacuation port；Set on sea water desalinating unit
There are the second seawater inlet 202 and water outlet 205, the first seawer outlet 104 is connected with the second seawater inlet 202, water outlet
205 connect with fresh water entrance 107；Above-mentioned first seawater inlet 101 is connected with the entrance 105 of above-mentioned first serpentine coil, above-mentioned
The exhaust steam outlet of exhaust steam entrance 103 and the steam unit of above-mentioned thermal power plant；
The exhaust steam that thermal power plant's generating is produced is entered in above-mentioned condensing tower 1 by above-mentioned exhaust steam entrance 103 is used as hot logistics, sea
Water is entered in above-mentioned first serpentine coil 105 by above-mentioned first seawater inlet 101 is used as cold logistics, above-mentioned hot logistics with it is above-mentioned
After cold logistics heat exchange, above-mentioned seawater turns into the pre- hot sea water of one-level；A part of above-mentioned exhaust steam is by above-mentioned evacuation port above-mentioned cold
The top emptying of solidifying tower 1, the above-mentioned exhaust steam of another part is changed into condensate into the collecting-tank in above-mentioned condensing tower 1, above-mentioned one-level
Pre- hot sea water enters above-mentioned sea water desalinating unit by above-mentioned second seawater inlet 202, and the fresh water after processing passes through above-mentioned fresh water
Entrance 107 enters in above-mentioned collecting-tank, and above-mentioned collecting-tank provides cooling water for the cooling system of above-mentioned thermal power plant.Above-mentioned condensing tower
The condensing unit belonged in thermal power plant's generating vapour system used.
As the preferred of above-described embodiment, above-mentioned sea water desalinating unit includes heat exchange case and heater；Above-mentioned heat is handed over
Change in case and be provided with the second serpentine coil 201, above-mentioned heat exchange case at least provided with the second seawater inlet 202, the second seawer outlet
203rd, steam inlet 204 and water outlet 205, above-mentioned second seawater inlet 202 are connected with above-mentioned first seawer outlet 104, on
Water outlet 205 is stated to connect with above-mentioned fresh water entrance 107；
Above-mentioned heater includes solar concentrator 5, water collecting equipment 4 and solar heat collector 3；Above-mentioned solar heat collector 3
Closely it is connected located at the top of above-mentioned water collecting equipment 4 and with it, the shape of water collecting equipment is not limited, bottom circular bottom, on
State solar heat collector 3 and provide the first thermal source for the seawater surface in above-mentioned water collecting equipment 4；Above-mentioned solar concentrator 5 is located at upper
The lower section of water collecting equipment 4 is stated, above-mentioned solar concentrator 5 provides Secondary Heat Source for the seawater in above-mentioned water collecting equipment 4；Above-mentioned collection
Wetting system 4 is provided with the 3rd seawater inlet 401, and above-mentioned 3rd seawater inlet 401 is connected with above-mentioned second seawater 203；It is above-mentioned too
Positive heat collector 3 is provided with steam (vapor) outlet 301, and above-mentioned steam (vapor) outlet 301 is connected with above-mentioned steam inlet 204.
As the preferred of above-described embodiment, above-mentioned heater includes solar concentrator and water collecting equipment；The above-mentioned sun
Energy concentrator is located at the lower section of above-mentioned water collecting equipment, and above-mentioned solar concentrator provides heat for the seawater in above-mentioned water collecting equipment
Source；Above-mentioned water collecting equipment is provided with the 3rd seawater inlet, and above-mentioned 3rd seawater inlet is connected with above-mentioned second seawer outlet；It is above-mentioned
Steam (vapor) outlet is provided with the top of water collecting equipment, above-mentioned steam (vapor) outlet is connected with above-mentioned steam inlet；Above-mentioned water collecting equipment is one outer
Shape closed and material are heat-conducting metal and the heating container for accommodating seawater；Only above-mentioned catchment is set with solar concentrator
Standby heating, fresh water steam is produced by heating of seawater.
As the preferred of above-described embodiment, above-mentioned solar heat collector be crown transparent glass (can also be conical glass,
Top narrow lower portion is wide), above-mentioned solar heat collector is made up of multiple convex lens 302, i.e., solar heat collector is one by multiple convex lens
Microscope group into crown cloche, the cloche covered on water collecting equipment, and water collecting equipment is used to accommodate seawater to be diluted, cloche
It can be connected by conventional methods between the water collecting equipment of metal material, above-mentioned solar heat collector 3 passes through with above-mentioned water collecting equipment 4
Threaded connection or pin connection or bolt connection are into being integral.
As the preferred of above-described embodiment, the center section of above-mentioned solar heat collector 3 (or is referred to as semi-cylindrical curved surface
Semicolumn cylinder), two ends are hemispherical curved surface (or being hollow hemisphere), above-mentioned water collecting equipment and above-mentioned solar heat collector
Adaptation connection.
As the preferred of above-described embodiment, the plain line at the top (i.e. semi-cylindrical curved surface top) of above-mentioned solar heat collector with
Hemispherical end (the i.e. hemispherical of vertical range R, above-mentioned solar heat collector between seawater surface in above-mentioned water collecting equipment
Curved surface) radius R, the length R of the center section (i.e. the lateral length of semi-cylindrical curved surface) of above-mentioned solar heat collector and too
The focal length R of the convex lens on positive heat collector surface is equal；Wherein, multiple convex lens in the domed ends at solar heat collector two ends
Sunlight from water collecting equipment sidepiece all directions can be polymerized to a little by mirror, and solar heat collector is in the table of the center section of semi-cylindrical
Sunlight from all directions directly over water collecting equipment can be gathered into a line by the multiple convex lens on face, and sunlight passes through solar heat-collection
The multiple convex lens convergence on device surface, in seawater surface one heating region of formation, makes seawater surface evaporate rapidly, improves seawater
Surface rate of gasification.
As the preferred of above-described embodiment, the bottom of above-mentioned water collecting equipment 4 is provided with outlet 402, for concentrated seawater discharge；
The material of above-mentioned water collecting equipment is heat-conducting metal, and selection heat-conducting metal is easy to conduct heat, best good heat conductivity, seawater corrosion resistance,
Mechanical strength is high.
As the preferred of above-described embodiment, the material of above-mentioned water collecting equipment is titanium alloy, seawater corrosion resistance；Above-mentioned catchment sets
Standby bottom is coated with heat absorbing coating 403, it is easy to absorb sunlight irradiation；Above-mentioned convex lens 302 are shaped as circle.
As the preferred of above-described embodiment, horizontal plane where above-mentioned solar condenser is parallel to the ground, above-mentioned sun optically focused
The focus of at least 3/5ths quantity is to face the plain line immediately below above-mentioned water collecting equipment on device, wherein, the above-mentioned sun gathers
The focus at the middle part of light device faces the middle part of water collecting equipment bottom surface, adjusts concentrator direction to receive using above-mentioned design
The more sunlight irradiations of collection convergence.
As the preferred of above-described embodiment, support 6 is connected with below above-mentioned solar concentrator.
As the preferred of above-described embodiment, above-mentioned first seawater inlet 101 is filled by the first connecting tube 108 and sea water supply
The first check valve 106 is provided with the outlet put, above-mentioned first connecting tube 108；Above-mentioned second seawer outlet 203 passes through second
Connecting tube 701 is connected with above-mentioned 3rd seawater inlet 401, and the second check valve 701 is provided with above-mentioned second connecting tube 701.
The operation logic of the present apparatus：Seawater to be diluted enters first from above-mentioned first seawater inlet 101 of above-mentioned condensing tower
Turn into the pre- hot sea water of one-level after serpentine coil 105, with exhaust steam heat exchange and enter above-mentioned heat after the outflow of above-mentioned first seawer outlet 104
Turn into two grades of pre- hot sea waters, above-mentioned two after second serpentine coil 201 of commuting case, the steam heat-exchanging come out with above-mentioned heater
The pre- hot sea water of level enters above-mentioned water collecting equipment 4 through above-mentioned 3rd seawater inlet 401, and above-mentioned solar concentrator 5 catchments to be above-mentioned
Seawater in equipment 4 provides one-level thermal source, and above-mentioned solar heat collector 3 is the seawater in above-mentioned water collecting equipment 4 by convex lens 302
The seawater provided in secondary source of heat, above-mentioned water collecting equipment 4 is changed into steaming after above-mentioned one-level thermal source and the heating of above-mentioned secondary source of heat
Vapour is discharged into above-mentioned heat exchange case through above-mentioned steam (vapor) outlet 301, is used as the hot thing of the outer heat exchange of above-mentioned second serpentine coil 201
Stream, above-mentioned steam is changed into condensed water through light on above-mentioned water outlet 205 and the condensing tower being connected with 205 after heat exchange condensation
The condensate that water out 107 is discharged into the collecting-tank of above-mentioned condensing tower 1, above-mentioned collecting-tank provides cooling water for thermal power plant.
Not most part in the embodiment of the present invention, those skilled in the art can select from the prior art.
Disclosed above is only the embodiment of the present invention, but protection scope of the present invention is not limited thereto, and is appointed
What those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using above-mentioned scope of the claims as
It is accurate.
Claims (9)
1. a kind of water charging system of coastal waters thermal power plant, it is characterised in that the water charging system includes：
Condensing tower and sea water desalinating unit；
The first serpentine coil is provided with the condensing tower, the condensing tower is provided with the first seawater inlet, exhaust steam entrance, the first sea
Water out, fresh water entrance, condensation water out and evacuation port；The entrance of first seawater inlet and first serpentine coil connects
It is logical, the exhaust steam outlet of the exhaust steam entrance and the steam unit of the thermal power plant；
The sea water desalinating unit is provided with the second seawater inlet and water outlet, first seawer outlet and the described second sea
Water inlet is connected, and the water outlet is connected with the fresh water entrance；
The exhaust steam that thermal power plant's generating is produced is entered in the condensing tower by the exhaust steam entrance is used as hot logistics, and seawater passes through institute
State the first seawater inlet interior as cold logistics into first serpentine coil, the hot logistics and the cold logistics heat exchange
Afterwards, the seawater turns into the pre- hot sea water of one-level；A part of exhaust steam is arranged by the evacuation port at the top of the condensing tower
Sky, exhaust steam described in another part is changed into condensate into the collecting-tank in the condensing tower, and the pre- hot sea water of one-level passes through institute
The second seawater inlet is stated into the sea water desalinating unit, the fresh water after processing enters the collecting-tank by the fresh water entrance
Interior, the collecting-tank provides cooling water for the cooling system of the thermal power plant.
2. a kind of water charging system of coastal waters thermal power plant according to claim 1, it is characterised in that the sea water desalinating unit
Including heat exchange case and heater；
It is provided with the heat exchange case on the second serpentine coil, the heat exchange case at least provided with the second seawater inlet, the second sea
Water out, steam inlet and water outlet, second seawater inlet are connected with first seawer outlet, the water outlet
Connected with the fresh water entrance of the condensing tower；
The heater includes solar concentrator, water collecting equipment and solar heat collector；
The solar heat collector is closely connected located at the top of the water collecting equipment and with it, and the solar heat collector is the collection
Seawater surface in wetting system provides the first thermal source；
The solar concentrator is located at the lower section of the water collecting equipment, and the solar concentrator is in the water collecting equipment
Seawater provides Secondary Heat Source；
The water collecting equipment is provided with the 3rd seawater inlet, and the 3rd seawater inlet is connected with second seawer outlet；
The solar heat collector is provided with steam (vapor) outlet, and the steam (vapor) outlet is connected with the steam inlet of the heat exchange case.
3. a kind of water charging system of coastal waters thermal power plant according to claim 2, it is characterised in that the solar heat collector is
Crown transparent glass, the solar heat collector is made up of multiple convex lens, and the solar heat collector passes through with the water collecting equipment
Threaded connection or pin connection or bolt connection shape are integral.
4. the water charging system of a kind of coastal waters thermal power plant according to claim 2, it is characterised in that the solar heat collector
Center section is semi-cylindrical curved surface, and two ends are hemispherical curved surface, and the water collecting equipment is adapted to company with the solar heat collector
Connect.
5. the water charging system of a kind of coastal waters thermal power plant according to claim 4, it is characterised in that the solar heat collector
The vertical range between seawater surface in the plain line and the water collecting equipment on semi-cylindrical curved surface top, the solar heat collector
Hemispherical curved surface radius, the lateral length of the semi-cylindrical curved surface of the solar heat collector and the solar heat collector table
The focal length of the convex lens in face is equal.
6. a kind of water charging system of coastal waters thermal power plant according to claim 2, it is characterised in that the bottom of the water collecting equipment
Portion is provided with outlet, for concentrated seawater discharge；The material of the water collecting equipment is heat-conducting metal.
7. a kind of water charging system of coastal waters thermal power plant according to claim 6, it is characterised in that the material of the water collecting equipment
Matter is titanium alloy；The bottom of the water collecting equipment is coated with heat absorbing coating；The convex lens are shaped as circle.
8. a kind of water charging system of coastal waters thermal power plant according to claim 6, it is characterised in that the solar condenser institute
Parallel to the ground in horizontal plane, the focus of at least 3/5ths quantity is faced below water collecting equipment on the solar condenser
Plain line, wherein, the focus at the middle part of the solar condenser faces the middle part of water collecting equipment outer bottom.
9. a kind of water charging system of coastal waters thermal power plant according to claim 6, it is characterised in that first seawater inlet
By the first connecting tube and the outlet of sea water supply device, the first check valve is provided with first connecting tube；Described
Two seawer outlets are connected by the second connecting tube with the 3rd seawater inlet, unidirectional provided with second in second connecting tube
Valve；The steam (vapor) outlet is connected by the 3rd connecting tube with the steam inlet.
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| CN201710647977.6A CN107311256A (en) | 2017-08-01 | 2017-08-01 | A kind of water charging system of coastal waters thermal power plant |
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| CN201710647977.6A CN107311256A (en) | 2017-08-01 | 2017-08-01 | A kind of water charging system of coastal waters thermal power plant |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538070A (en) * | 2009-04-22 | 2009-09-23 | 长安大学 | Solar energy sea water desalinating device |
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