CN105042677B - A kind of heating plant and heat supply method of solar energy antigravity Natural Circulation - Google Patents
A kind of heating plant and heat supply method of solar energy antigravity Natural Circulation Download PDFInfo
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- CN105042677B CN105042677B CN201510522616.XA CN201510522616A CN105042677B CN 105042677 B CN105042677 B CN 105042677B CN 201510522616 A CN201510522616 A CN 201510522616A CN 105042677 B CN105042677 B CN 105042677B
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Abstract
The invention discloses the heating plant and heat supply method for a kind of solar energy antigravity Natural Circulation for belonging to solar energy utilization technique field.The device is mainly made up of several parts such as collecting plate, evaporator, condenser, semi-transparent membrane tubes.Evaporator top is provided with the capillary wick of loose structure, and bottom is connected with the semi-transparent membrane tube in liquid collecting tank.First perfusion has certain density salting liquid in evaporation cavity and semi-transparent membrane tube before work, when solar heat-collection plate collects solar energy, raise the temperature of capillary wick in evaporator, liquid evaporation, caused steam is condensed heat release, low-concentration liquid caused by condensation enters liquid collecting tank, and the present apparatus realizes antigravity Natural Circulation heat supply using permeable pressure head caused by concentration difference, it is not necessary to which vavuum pump, circulating pump etc. maintain the circulation of liquid.The present apparatus is simple in construction, easy to operate, improves the thermal efficiency and reduces cost, for the means and method further provided using solar-heating.
Description
Technical field
The invention belongs to solar energy utilization technique field, more particularly to a kind of heat supply of solar energy antigravity Natural Circulation
Device and heat supply method are dense using transpiration pull caused by liquid evaporation and pellicle specifically using solar energy as thermal source
Difference is spent to realize the solar energy heat utilization device of antigravity Natural Circulation heat supply.
Background technology
With the development of science and technology, there is very big progress in terms of solar energy, power-saving technology and heat supply, it develops
Trend is to utilize reproducible, the environmentally friendly energy as far as possible, and is provided as possible most to people on the premise of Low investment cost
High-quality resource.Solar energy is a kind of clean energy resource, and with generality, huge property and it is inexhaustible the advantages of,
Therefore there is wide development and utilization prospect.In recent years, as the development of heliotechnics, people have begun to commonly used
Solar-heating.But current technology cost is also higher, and system is complex.Compared with traditional solar-heating, the sun
The use of energy antigravity Natural Circulation technology provides wide utilization space for the development of heliotechnics, in the premise of heat supply
Under nature circulation power can be produced without using mechanical dynamic system, saved the use of fuel, and environmental protection.
The content of the invention
It is an object of the invention to provide a kind of heating plant and heat supply method of solar energy antigravity Natural Circulation, its feature
It is, the structure of the heating plant of the solar energy antigravity Natural Circulation is：Collecting plate is connected with evaporator, evaporator it is defeated
Going out end by pipeline with condenser to be connected, condenser output end is connected with liquid collecting tank, and spiral semi-transparent membrane tube is provided with liquid collecting tank,
Semi-transparent membrane tube is connected by pipeline with the input of evaporator, and the capillary wick of loose structure is provided with evaporator.
The collecting plate is flat type solar heat collector or electron tubes type solar thermal collector.
The condenser is single-stage condenser or multi-stage condensing device, and the condenser selects radiator or water heater.
The evaporator is single-stage evaporator or multi-stage evaporator.
The epicoele of the evaporator is made up of loose structure, and table is covered using powder sintered surface or silk screen or foam metal
Face；The upper surface of loose structure sinters the nanostructured of Leaves'Shape into.
The pellicle is hollow-semi-permeable pipe, and pellicle ensures that hydrone can be by the way that salinity can not pass through.
The material of the pipeline is glass, stainless steel or aluminum alloy materials.
The liquid collecting tank is hermetic type.
The level sensor makes liquid just moisten capillary wick by control valve, and the liquid required for ensureing evaporation supplies
Should.
The heating plant of described a kind of solar energy antigravity Natural Circulation, it is characterised in that heat collector, evaporator, condensation
The maintenance of pump is not needed during the work such as device and is kept closed.
The heat supply method of the solar energy antigravity Natural Circulation is that first into evaporation cavity and semi-transparent membrane tube, perfusion has one
Determine the salting liquid of concentration, then salt-free liquid juice (water) filled into liquid collecting tank, the height of liquid level is controlled by control valve,
The antigravity for realizing liquid using transpiration pull caused by liquid evaporation and strength of fluid pressure circulates；It is provided with evaporator more
The capillary wick of pore structure, the liquid that capillary wick absorbs are condensed into liquid, condensation when institute after evaporating into condenser at high temperature
Liberated heat realizes the demand of heat supply by condenser, and condensed fluid then enters liquid collecting tank by gravity, is placed on liquid collecting
Semi-transparent membrane tube in tank due to osmotic pressure caused by gradient of liquids inside and outside film make the liquid in liquid collecting tank by pellicle not
It is disconnected to enter inside pellicle pipeline, then entered via pipeline in evaporation cavity, transpiration pull caused by liquid evaporation and hair
The capillary attraction of thin core makes liquid be absorbed by capillary wick, and closed state is remained in heat collector, evaporator and condenser
During lower work, the circulation of liquid does not need the maintenance of pump and realizes an antigravity heating cycle for not needing pump to maintain.
The salting liquid can be by the higher salt of some solubility, such as Nacl, NaNO3And KNO3Made etc. being dissolved into water
It is standby to form.Its concentration of salt solution can be selected according to the height of antigravity needed for heating plant, it is contemplated that suffered by liquid flowing
The resistance arrived, osmotic pressure caused by selected concentration are greater than or equal to antigravity height, such as 9.0gL-1Nacl solution is at 37 DEG C
When osmotic pressure be approximately 7.9 × 102KPa, the antigravity reached is about highly 80.5m, so if antigravity is highly
80.5m, then salinity have to be larger than 9.0gL-1。
Beneficial effects of the present invention are：The present apparatus realizes antigravity Natural Circulation using permeable pressure head caused by concentration difference
Heat supply, it is not necessary to which vavuum pump, circulating pump etc. maintain the circulation of liquid.Caused steam is cooled after entering condenser in evaporator
For liquid and enter liquid collecting tank, the concentration of liquid collecting pot liquid is very low, and by constantly circulating, the pressure in semi-transparent membrane tube gradually rises
Height, so as to using osmotic pressure produced by transpiration pull caused by liquid evaporation and semi-transparent membrane tube both sides different liquids concentration difference come
The liquid in liquid collecting tank is constantly entered through semi-transparent membrane tube through pipeline in evaporator, and the liquid level of evaporator can be maintained higher than collection
Flow container, promote the continuous progress of antigravity Natural Circulation.Therefore this method and device reduce the investment of solar thermal utilization into
This simultaneously reduces energy consumption, has preferable promotional value.The operating structure of this device is simple, easy to operate, also to be further
Heat supply, which is carried out, using solar energy provides a good means.
Brief description of the drawings
Fig. 1 is the structural representation of the heating plant of solar energy antigravity Natural Circulation；
Fig. 2 is schematic diagram inside evaporator；
Fig. 3 is the penetration theory figure of semi-transparent membrane tube.
Reference：1- collecting plates；2- evaporators；3- condensers；4- liquid collecting tanks；5- silk screens；6- evaporator epicoeles；7- spiral shells
Rotating semi-transparent membrane tube；8- steam vent tubes；9- condensate drains road；10- liquid collecting tank efferent ducts；The control valves of 11- first；
The control valves of 12- second；The control valves of 13- the 3rd；14- draining valves；15- liquid collecting tank liquor charging valves；The control valves of 16- the 4th；17- steams
Send out device liquor charging valve；18- level sensors；19- reservoirs；20- reservoirs；21- gas collectors.
Embodiment
Invention provide a kind of heating plant and heat supply method of solar energy antigravity Natural Circulation, below in conjunction with the accompanying drawings and
The present invention will be further described for embodiment.
Fig. 1 is the structural representation of the heating plant of solar energy antigravity Natural Circulation.The device is provided with collecting plate 1, collection
Hot plate 1 is connected with evaporator 2, and the output end of evaporator 2 is connected by the first pipeline 8 with condenser 3, what condenser 3 exported
Second pipe 9 is connected with liquid collecting tank 4.Wherein, solar thermal collector 1 then collects solar energy and promotes liquid evaporation in evaporator 2.
The evaporation epicoele 6 of evaporator 2 is porous structure material, has lyophily and big specific surface area, it is therefore an objective to be advantageous to imbibition and
Increase disengagement area, so as to accelerate to evaporate.The bypass of evaporator 2 is provided with level sensor 18, and the liquid in evaporator 2 is controlled with this
Position height, makes liquid just moisten capillary wick, ensures the liquid supply required for evaporation.Also can be short even if device poor sealing
Phase works.Gas after evaporation enters the solution that condensation in condenser 3 forms low concentration, and the solution of low concentration enters liquid collecting
Tank, because osmotic pressure effect is entered in the salting liquid in semi-transparent membrane tube 7, evaporator 2 is entered back into so as to which solution forms antigravity
Inside it is operated, material is thus formed continual and steady Natural Circulation heat supply, i.e. the circulation of liquid does not need the maintenance of pump and reality
An existing antigravity heating cycle for not needing pump to maintain.
Fig. 2 is schematic diagram inside evaporator.Loose structure in evaporator sinters capillary wick and carries out imbibition, then passes through
The liquid that the effect of heat wicks into capillary in collecting plate is evaporated.It is a nanometer Multi-scale model to sinter capillary wick, is had
Lyophily and big specific surface area, it is therefore an objective to be advantageous to imbibition and increase disengagement area, so as to accelerate to evaporate, significantly strengthen and change
Heat.
Fig. 3 is the penetration theory figure of semi-transparent membrane tube.Only water can pass through semi-transparent membrane tube to height from low concentration region naturally
Concentration area, and solute by high concentration region through semi-transparent membrane tube to low concentration region, can not ultimately result in the Guan Zhonghui of highly concentrated solution
(see Fig. 1) higher than the liquid level of low dope.
Concrete operating principle is before the heating plant work of solar energy antigravity Natural Circulation, closes the first control valve
11st, the second control valve 12, the 3rd control valve 13, draining valve 14, the 4th control valve 16, evaporator liquor charging valve 17 is opened, led to
Crossing reservoir 19 and being irrigated into evaporator 2 has certain density salting liquid, while opens liquid collecting tank liquor charging valve 15, passes through storage
Liquid device 20 fills salt-free liquid juice (water) into liquid collecting tank 4.Because the inner salt strength of fluid of evaporation cavity 2 is big, liquid collecting tank 4
Liquid enters evaporation cavity 2 constantly through semi-transparent membrane tube 7 and by pipeline 10.Solution in evaporation cavity 2 is produced by absorbing collecting plate
Raw heat and evaporate, produce steam, make have certain pressure in evaporator.The first control valve 11 is opened, steam enters condenser
3, and constantly condense.The second control valve 12 is opened after enough condensate liquids are produced in condenser, until second pipe 9 is hydraulically full
When close liquid collecting tank liquor charging valve 15.Material is thus formed continual and steady Natural Circulation heat supply.Draining valve 14, liquid collecting tank liquor charging
Valve 15, evaporator liquor charging valve 17 are used for the amount for controlling solution in the circulatory system.Once system starts, the first control valve
11st, the second control valve 12 and the 3rd control valve 13 are at normally open.
The salting liquid can be prepared by the way that the higher salt of some solubility is dissolved into water, such as Nacl, NaNO3With
KNO3Deng.Its concentration of salt solution can be selected according to the height of antigravity needed for heating plant, it is contemplated that suffered by liquid flowing
The resistance arrived, osmotic pressure caused by selected concentration are greater than equal to antigravity height；I.e. in 9.0gL-1Nacl solution is at 37 DEG C
When osmotic pressure be approximately 7.9 × 102KPa, the antigravity reached is highly 80.5m, so if antigravity is highly
80.5m, then salinity have to be larger than 9.0gL-1；
Incoagulable gas exclusion process is in the heating plant of solar energy antigravity Natural Circulation：Close the first control valve
11 and second control valve 12, the 4th control valve 16 is opened, incoagulable gas is discharged into gas collector 21.
Both can be used alone in the heating plant of solar energy antigravity Natural Circulation can also be with other circulatory system sides
Method is used in mixed way.
Above-mentioned detailed description is illustrating for embodiment of the present invention, and the device makes full use of liquid evaporation institute
Osmotic pressure caused by caused transpiration pull and semi-transparent membrane tube concentration difference makes liquid constantly enter evaporation cavity through semi-transparent membrane tube
It is interior, arrive the Natural Circulation process of liquid collecting tank again so as to form evaporator to condenser, the process does not need machine power, reduced
The cost of investment of solar energy equipment simultaneously reduces energy consumption, has preferable promotional value.
Claims (9)
- A kind of 1. heating plant of solar energy antigravity Natural Circulation, it is characterised in that the solar energy antigravity Natural Circulation The structure of heating plant be：Collecting plate is connected with evaporator, and the output end of evaporator is connected by pipeline with condenser, condensation Device output end is connected with liquid collecting tank, and spiral semi-transparent membrane tube is provided with liquid collecting tank, and spiral semi-transparent membrane tube passes through pipeline and evaporation The input of device is connected, and the capillary wick of loose structure is provided with evaporator；Wherein, spiral semi-transparent membrane tube is hollow-semi-permeable Pipe, pellicle ensure that hydrone can be by the way that salinity can not pass through.
- 2. the heating plant of solar energy antigravity Natural Circulation according to claim 1, it is characterised in that the collecting plate is Flat type solar heat collector or electron tubes type solar thermal collector.
- 3. the heating plant of solar energy antigravity Natural Circulation according to claim 1, it is characterised in that the condenser is Single-stage condenser or multi-stage condensing device, wherein condenser select radiator or water heater.
- 4. the heating plant of solar energy antigravity Natural Circulation according to claim 1, it is characterised in that the evaporator is Single-stage evaporator or multi-stage evaporator.
- 5. the heating plant of solar energy antigravity Natural Circulation according to claim 1, it is characterised in that the evaporator Epicoele is made up of loose structure, and surface is covered using powder sintered surface or silk screen or foam metal；The upper surface of loose structure Sinter the nanostructured of Leaves'Shape into.
- 6. the heating plant of solar energy antigravity Natural Circulation according to claim 1, it is characterised in that the material of the pipeline Expect for glass, stainless steel or aluminum alloy materials.
- 7. the heating plant of solar energy antigravity Natural Circulation according to claim 1, it is characterised in that the liquid collecting tank is Hermetic type.
- 8. the heating plant of solar energy antigravity Natural Circulation according to claim 1, it is characterised in that level sensor leads to Crossing control valve makes liquid just moisten capillary wick, ensures the liquid supply required for evaporation.
- A kind of 9. heat supply method of the heating plant of solar energy antigravity Natural Circulation described in claim 1, it is characterised in that First into evaporation cavity and semi-transparent membrane tube, perfusion has certain density salting liquid, then salt-free pure liquid is filled into liquid collecting tank Body, the height of liquid level is controlled by control valve, liquid is realized using transpiration pull caused by liquid evaporation and strength of fluid pressure The antigravity circulation of body；The capillary wick of loose structure is provided with evaporator, the liquid that capillary wick absorbs evaporates at high temperature Liquid is condensed into after condenser, condensation when institute's liberated heat realizes the demand of heat supply by condenser, and condensed fluid is then Enter liquid collecting tank by gravity, be placed on the semi-transparent membrane tube in liquid collecting tank due to osmotic pressure caused by gradient of liquids inside and outside film The liquid in liquid collecting tank is constantly entered inside pellicle pipeline by pellicle, then entered via pipeline in evaporation cavity, The capillary attraction of transpiration pull caused by liquid evaporation and capillary wick makes liquid be absorbed by capillary wick, in heat collector, evaporation When device and condenser work in the state of remaining closed, the circulation of liquid does not need the maintenance of pump and realizes that one does not need Pump is come the antigravity heating cycle that maintains；Height of the concentration of salt solution then according to antigravity needed for heating plant is selected, but in view of suffered by liquid flowing The resistance arrived, osmotic pressure caused by selected concentration are greater than equal to antigravity height；The salting liquid selects Nacl, NaNO3Or KNO3It is dissolved into water and is prepared.
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| CN201510522616.XA CN105042677B (en) | 2015-08-24 | 2015-08-24 | A kind of heating plant and heat supply method of solar energy antigravity Natural Circulation |
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| CN105042677B true CN105042677B (en) | 2017-11-28 |
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| CN110330067B (en) * | 2019-07-18 | 2020-09-04 | 华北电力大学 | Evaporation system based on solar energy is absorbed to foam metal body |
| CN110542338A (en) * | 2019-08-02 | 2019-12-06 | 北京空间飞行器总体设计部 | Osmotic pressure driven two-phase fluid loop |
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| CN1853044A (en) * | 2003-08-13 | 2006-10-25 | 萨里大学 | Osmotic energy |
| CN101838024A (en) * | 2010-05-18 | 2010-09-22 | 华北电力大学 | Driven flash-evaporation solar seawater desalination method and device |
| CN101943502A (en) * | 2010-08-17 | 2011-01-12 | 浙江大学 | Thermally driven absorption refrigerating system based on semipermeable membrane |
| KR20110079003A (en) * | 2009-12-31 | 2011-07-07 | 한국에너지기술연구원 | New renewable hybrid heat supply and control a method for the same |
| CN103075758A (en) * | 2013-02-08 | 2013-05-01 | 天津市电力公司 | Solar pond heat collection heating system |
| CN203298393U (en) * | 2013-05-23 | 2013-11-20 | 青海省农林科学院 | Device for intelligent ecological solar greenhouse adopting solar heating |
| CN103673054A (en) * | 2013-11-26 | 2014-03-26 | 金旭 | Solar household heating system |
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2015
- 2015-08-24 CN CN201510522616.XA patent/CN105042677B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853044A (en) * | 2003-08-13 | 2006-10-25 | 萨里大学 | Osmotic energy |
| KR20110079003A (en) * | 2009-12-31 | 2011-07-07 | 한국에너지기술연구원 | New renewable hybrid heat supply and control a method for the same |
| CN101838024A (en) * | 2010-05-18 | 2010-09-22 | 华北电力大学 | Driven flash-evaporation solar seawater desalination method and device |
| CN101943502A (en) * | 2010-08-17 | 2011-01-12 | 浙江大学 | Thermally driven absorption refrigerating system based on semipermeable membrane |
| CN103075758A (en) * | 2013-02-08 | 2013-05-01 | 天津市电力公司 | Solar pond heat collection heating system |
| CN203298393U (en) * | 2013-05-23 | 2013-11-20 | 青海省农林科学院 | Device for intelligent ecological solar greenhouse adopting solar heating |
| CN103673054A (en) * | 2013-11-26 | 2014-03-26 | 金旭 | Solar household heating system |
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