CN109489021A - Liquid level visual type steam feed system and photo-thermal electricity steam generating system - Google Patents
Liquid level visual type steam feed system and photo-thermal electricity steam generating system Download PDFInfo
- Publication number
- CN109489021A CN109489021A CN201710812429.4A CN201710812429A CN109489021A CN 109489021 A CN109489021 A CN 109489021A CN 201710812429 A CN201710812429 A CN 201710812429A CN 109489021 A CN109489021 A CN 109489021A
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- China
- Prior art keywords
- liquid level
- steam
- feed system
- visual type
- evaporator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 48
- 230000000007 visual effect Effects 0.000 title claims abstract description 19
- 230000005611 electricity Effects 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000008400 supply water Substances 0.000 claims abstract description 8
- 238000012546 transfer Methods 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000011534 incubation Methods 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims 1
- 238000009825 accumulation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 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
- 238000009422 external insulation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
Classifications
-
- 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
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
- F22B37/28—Steam-separating arrangements involving reversal of direction of flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a kind of liquid level visual type steam feed systems, including evaporator and steam-water separator, the evaporator include be vertically arranged and top be formed with fused salt import lower part be formed with fused salt outlet tank body and be arranged in the intracorporal pipe type heat transfer mechanism of tank, the water inlet of the heat exchange mechanisms is connected to water supply water pipe, the steam (vapor) outlet of heat exchange mechanisms described in the steam inlet of the steam-water separator is connected to, the steam-water separator is vertically arranged and its discharge outlet is located above the evaporator, it is provided with and evaporator liquid level charactron disposed in parallel in the discharge outlet, the liquid level charactron lower end is connected to the water supply water pipe.Isolated water enters liquid level charactron through discharge outlet, is based on law of connected vessels, can the liquid level in heat exchanger tube in the evaporator effectively be shown and be measured, convenient for the control in later period and the generation temperature of micro- superheated steam.
Description
Technical field
The present invention relates to photo-thermal electro-technical fields, more particularly to a kind of liquid level visual type steam feed system and photo-thermal electricity
Steam generating system.
Background technique
Due to energy crisis and atmosphere pollution, countries in the world increase the investment to solar energy research exploitation, solar heat
The project developments such as water, solar building, solar energy power generating, solar energy thermal-power-generating are rapid, and scale is gradually expanded.Solar heat
Electricity generation system mainly has 4 seed types: slot type, tower, dish-style and linear Fresnel form.Currently, conventional solar energy thermal-power-generating
System is to be focused to sunlight reflection on heat collector using reflecting mirror, and the solar radiant energy of aggregation is changed into heat by heat collector
Working medium in heat collector can and be reached, the working medium being heated can directly evaporate (such as water) and generate power to push power generation
Or thermal energy is reached by hold over system and steam power system by corresponding heat exchange equipment.
Due to directly use water as heat transfer acting working medium there are on system waterpower dynamic design complexity and accumulation of heat side
The difficulty in face, so current solar heat power generation system generally uses synthetic oil or fused salt as accumulation of heat working medium of conducting heat, then by with
Steam generator heat exchange generates the power steam for being suitble to corresponding Turbo-generator Set.It can thus be seen that solar energy thermal-power-generating system
The design of the intermediate heat hold over system of system is most important.
Fuse salt is a kind of selection well as heat transfer accumulation of heat working medium, mirror field output temperature can be increased to 450-
500 DEG C, power cycle efficiency is set to be greater than 40%, the accumulation of heat temperature difference is greater than 2.5 times.But evaporator generally uses stream in pipeline at present
The mode of dynamic fused salt, be easy to cause part hardened in this way, causes heat exchange property poor, and in pipeline if circulating water, and there are liquid
Position is not easy the case where observing.
Summary of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of liquid level visual type steam to supply
To system and photo-thermal electricity steam generating system.
The technical solution adopted to achieve the purpose of the present invention is:
A kind of liquid level visual type steam feed system, including evaporator and steam-water separator, the evaporator include perpendicular
Straight setting and top are formed with fused salt import lower part and are formed with the tank body of fused salt outlet and are arranged in the intracorporal pipe type heat transfer of tank
The water inlet of mechanism, the heat exchange mechanisms is connected to water supply water pipe, is changed described in the steam inlet of the steam-water separator
The steam (vapor) outlet of heat engine structure is connected to, and the steam-water separator is vertically arranged and its discharge outlet is located above the evaporator,
The discharge outlet be provided with evaporator liquid level charactron disposed in parallel, the liquid level charactron lower end with
The water supply water pipe connection.
The heat exchange mechanisms include multiple S being arranged in axially extending in the tank body and keep interval mutually
Curvilinear style heat exchanger tube, the distribution cavity and collection for being correspondingly arranged at tank base and top and being connected to respectively with the heat exchanger tube
Chamber.
The liquid level charactron is glass, acrylic material is made or one side is formed with liquid level and indicates slot.
Liquid level sensor is provided in the liquid level charactron.
The steam-water separator includes the disengagement chamber at top, and the drainage cavity being connected to the disengagement chamber at top, in institute
The bottom for the drainage cavity stated is provided with discharge outlet.
The steam-water separator being sequentially connected in series including two.
The disengagement chamber is respectively formed with the incubation cavity being connected with the outside of drainage cavity, sets outside the incubation cavity
It is equipped with insulating layer, the incubation cavity is connected with the warm pipeline of the collecting chamber of evaporator, is arranged on the thermo-insulating pipe line
There is check valve only to allow the steam to enter incubation cavity, the bottom of the incubation cavity and the drainage cavity bottom connect
It is logical.
The tank body of the evaporator and superheater is cylindrical shape, is fixed with inside spin on the inner wall of circle tube tank body
Plate.
The height of the inside spin plate is in 20-40cm.
It is a kind of with the photo-thermal electricity steam generating system with the liquid level visual type steam feed system.
Compared with prior art, the beneficial effects of the present invention are:
Evaporator of the invention heats rock by the way of tube side steam using shell side, improves the stability of operation, can
It quickly cuts off steam and reduces the possibility that fused salt solidifies, meanwhile, the big volume of shell side effectively increases the yield of steam,
The vapor portion of micro- superheated steam enters superheater after steam-water separation, and isolated water enters liquid level charactron through discharge outlet, is based on
Law of connected vessels effectively can be shown and be measured to the liquid level in heat exchanger tube in the evaporator, convenient for the control in later period
And the generation temperature of micro- superheated steam.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of photo-thermal power generation steam generating system of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
A kind of liquid level visual type steam feed system of the invention includes evaporator 1 and steam-water separator 2, the evaporation
Device 1 include be vertically arranged and top be formed with fused salt import lower part be formed with fused salt outlet tank body 11 and be arranged in tank body
Pipe type heat transfer mechanism, the water inlet of the heat exchange mechanisms with water supply water pipe 3 with water source 4 by being connected to, the steam-water separation
The steam (vapor) outlet of heat exchange mechanisms described in the steam inlet of device 2 is connected to, and the steam-water separator is vertically arranged and its discharge outlet
Above the evaporator, the discharge outlet is connected to and evaporator liquid level charactron 5 disposed in parallel, institute
The liquid level charactron lower end stated is connected to the water supply water pipe.
Evaporator of the invention heats rock by the way of tube side steam using shell side, improves the stability of operation, can
It quickly cuts off steam and reduces the possibility that fused salt solidifies, meanwhile, the big volume of shell side effectively increases the yield of steam,
The vapor portion of micro- superheated steam enters superheater after steam-water separation, and isolated water enters liquid level charactron through discharge outlet, is based on
Law of connected vessels effectively can be shown and be measured to the liquid level in heat exchanger tube in the evaporator, convenient for the control in later period
And the generation temperature of micro- superheated steam.
As one of specific embodiment, the heat exchange mechanisms include it is multiple be arranged in axially extending it is described
Tank body in and mutually keep interval S curve formula heat exchanger tube 12, be correspondingly arranged at tank base and top and respectively with it is described
Heat exchanger tube connection distribution cavity 13 and collecting chamber 14.
Replace traditional spiral coil using S curve formula heat exchanger tube, only in a plane in waveform curvilinear style, class
Like key player on a team's curve.Setting installation is more convenient, and tank interior can be arranged in distribution cavity and collecting chamber at its both ends simultaneously,
The heat exchange in different form difference path finally mixes, and is discharged after being exchanged heat again, and discharge quality is stable and effectively increases
Big yield can efficiently use the amount of heat contained in high-temperature molten salt.
It wherein, is the display or expression of realizing the liquid level, the liquid level charactron is glass, acrylic material system
At or one side be formed with liquid level instruction slot, alternatively, being provided with liquid level sensor in the liquid level charactron.
Wherein, the steam-water separator includes the disengagement chamber at top, and the drainage cavity being connected to the disengagement chamber at top,
The bottom of the drainage cavity is provided with discharge outlet.Preferably, in the present invention, the carbonated drink that is sequentially connected in series including two
Separator.
The vapor portion of micro- superheated steam enters superheater after steam-water separation, and isolated water enters liquid level through discharge outlet and shows
Pipe, filtering are designed using whiz formula, using double-filtration, are improved separating effect, are improved steam quality.
Further, to prevent, vapor caused by steam-water separator heat dissipation from liquefying or even temperature decreases below setting
Value, the disengagement chamber are respectively formed with the incubation cavity being connected with the outside of drainage cavity, are provided with outside the incubation cavity
Insulating layer, the incubation cavity are connected with the warm pipeline of the collecting chamber of evaporator, are provided with list on the thermo-insulating pipe line
To valve only to allow the steam to enter incubation cavity, the bottom of the incubation cavity is connected to the drainage cavity bottom.
Using the setting of incubation cavity, increases by one layer of temperature buffer between the disengagement chamber and external insulation layer, pass through
" sacrifice " special least a portion of micro- superheated steam, reduces the water condensed out in the separator because of temperature change, mistake after raising
The quality and quantity of hot device gas supply.
Wherein, the tank body of the evaporator and superheater is cylindrical shape, is fixed on the inner wall of circle tube tank body interior
Spiral plate.The height of the inside spin plate is in 20-40cm.
By the way that inside spin plate is arranged in inner tank wall, at least fused salt of formula surrounding place side increases screw trend, can have
Effect prevents temperature dead zone, avoids the occurrence of topical hypothermia, and can effectively prevent bubble and generate and adhere to, and guarantees that effectively heat exchange is empty
Between.
Meanwhile the invention also discloses a kind of with the photo-thermal electricity with the liquid level visual type steam feed system
Steam generating system.The photo-thermal electricity steam generating system includes hot tank 8 and cold tank 6 and superheater 7, is suitable for slot type photo-thermal system
System.The fused salt outlet of hot tank is successively connected to through molten salt pipeline with superheater, evaporator and cold tank, the structure and evaporator of superheater
Structure is similar, and the collecting chamber of evaporator is through steam pipework and is connected to the distribution cavity of steam-water separator and superheater, the mistake
The collecting chamber of hot device is connected to steam turbine.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of liquid level visual type steam feed system, which is characterized in that including evaporator and steam-water separator, the evaporation
Device include be vertically arranged and top be formed with fused salt import lower part be formed with fused salt outlet tank body and setting it is intracorporal in tank
The water inlet of pipe type heat transfer mechanism, the heat exchange mechanisms is connected to water supply water pipe, the steam inlet of the steam-water separator
The steam (vapor) outlet of the heat exchange mechanisms is connected to, and the steam-water separator is vertically arranged and its discharge outlet is located at the evaporation
Above device, it is provided in the discharge outlet and is shown with evaporator liquid level charactron disposed in parallel, the liquid level
Pipe lower end is connected to the water supply water pipe.
2. liquid level visual type steam feed system as described in claim 1, which is characterized in that the heat exchange mechanisms include more
A S curve formula heat exchanger tube being arranged in axially extending in the tank body and keep interval mutually, is correspondingly arranged at tank body
Bottom and top and the distribution cavity being connected to respectively with the heat exchanger tube and collecting chamber.
3. liquid level visual type steam feed system as described in claim 1, which is characterized in that the liquid level charactron is glass
Glass, acrylic material are made or one side is formed with liquid level instruction slot.
4. liquid level visual type steam feed system as described in claim 1, which is characterized in that set in the liquid level charactron
It is equipped with liquid level sensor.
5. liquid level visual type steam feed system as described in claim 1, which is characterized in that the steam-water separator includes
The disengagement chamber at top, and the drainage cavity being connected to the disengagement chamber at top are provided with discharge outlet in the bottom of the drainage cavity.
6. liquid level visual type steam feed system as described in claim 1, which is characterized in that the institute being sequentially connected in series including two
The steam-water separator stated.
7. liquid level visual type steam feed system as claimed in claim 5, which is characterized in that the disengagement chamber and drainage cavity
Outside be respectively formed with the incubation cavity being connected, insulating layer, the incubation cavity and steaming are provided with outside the incubation cavity
Hair device the warm pipeline of collecting chamber be connected, check valve is provided on the thermo-insulating pipe line with only allow the steam into
Enter incubation cavity, the bottom of the incubation cavity is connected to the drainage cavity bottom.
8. liquid level visual type steam feed system as described in claim 1, which is characterized in that the evaporator and superheater
Tank body be cylindrical shape, inside spin plate is fixed on the inner wall of circle tube tank body.
9. liquid level visual type steam feed system as claimed in claim 8, which is characterized in that the height of the inside spin plate
In 20-40cm.
10. a kind of with the described in any item photo-thermal electricity with the liquid level visual type steam feed system of such as claim 1-9
Steam generating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812429.4A CN109489021A (en) | 2017-09-11 | 2017-09-11 | Liquid level visual type steam feed system and photo-thermal electricity steam generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812429.4A CN109489021A (en) | 2017-09-11 | 2017-09-11 | Liquid level visual type steam feed system and photo-thermal electricity steam generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109489021A true CN109489021A (en) | 2019-03-19 |
Family
ID=65687530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710812429.4A Pending CN109489021A (en) | 2017-09-11 | 2017-09-11 | Liquid level visual type steam feed system and photo-thermal electricity steam generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109489021A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202092720U (en) * | 2011-03-15 | 2011-12-28 | 无锡尚德太阳能电力有限公司 | Liquid level gauge for observing liquid level of liquid tank |
| CN103511208A (en) * | 2013-09-25 | 2014-01-15 | 青海中控太阳能发电有限公司 | Molten salt steam generating system capable of variable load operation within full-parameter range |
| CN104422202A (en) * | 2013-08-22 | 2015-03-18 | 财团法人工业技术研究院 | Heat exchanger, heat engine circulating system and control method thereof |
| US20150167499A1 (en) * | 2012-07-17 | 2015-06-18 | Mitsubishi Hitachi Power Systems, Ltd. | Solar Power System |
| CN206036997U (en) * | 2016-08-25 | 2017-03-22 | 湖南奇效节能科技有限公司 | Water separator for boiler |
| CN107062173A (en) * | 2017-03-15 | 2017-08-18 | 北京工业大学 | Trough-electricity heat storage boiler and its application method |
| CN207196449U (en) * | 2017-09-11 | 2018-04-06 | 甘肃光热发电有限公司 | Controllable type steam feed system and photo-thermal electricity steam generating system |
-
2017
- 2017-09-11 CN CN201710812429.4A patent/CN109489021A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202092720U (en) * | 2011-03-15 | 2011-12-28 | 无锡尚德太阳能电力有限公司 | Liquid level gauge for observing liquid level of liquid tank |
| US20150167499A1 (en) * | 2012-07-17 | 2015-06-18 | Mitsubishi Hitachi Power Systems, Ltd. | Solar Power System |
| CN104422202A (en) * | 2013-08-22 | 2015-03-18 | 财团法人工业技术研究院 | Heat exchanger, heat engine circulating system and control method thereof |
| CN103511208A (en) * | 2013-09-25 | 2014-01-15 | 青海中控太阳能发电有限公司 | Molten salt steam generating system capable of variable load operation within full-parameter range |
| CN206036997U (en) * | 2016-08-25 | 2017-03-22 | 湖南奇效节能科技有限公司 | Water separator for boiler |
| CN107062173A (en) * | 2017-03-15 | 2017-08-18 | 北京工业大学 | Trough-electricity heat storage boiler and its application method |
| CN207196449U (en) * | 2017-09-11 | 2018-04-06 | 甘肃光热发电有限公司 | Controllable type steam feed system and photo-thermal electricity steam generating system |
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