CN101963342B - Magnesium energy light-heat generating system - Google Patents
Magnesium energy light-heat generating system Download PDFInfo
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- CN101963342B CN101963342B CN201010293926A CN201010293926A CN101963342B CN 101963342 B CN101963342 B CN 101963342B CN 201010293926 A CN201010293926 A CN 201010293926A CN 201010293926 A CN201010293926 A CN 201010293926A CN 101963342 B CN101963342 B CN 101963342B
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Abstract
The invention discloses a magnesium energy light-heat conversion generating device, and belongs to the technical field of power generation of new energy. In a magnesium energy light-heat generating system, light energy is absorbed continuously by utilizing a heat absorbing and light absorbing system formed by a superconducting heat pipe, a heat pipe exchanger and the like and particularly a high-temperature resistant glass pipe of which the outer surface is plated with a magnesium light selective absorbing coating film, so that the light energy is converted into heat and is transferred to the superconducting heat pipe, and working medium water is heated to form high-temperature and high-pressure steam by utilizing the superconducting heat pipe and the heat pipe exchanger for generating by applying work; simultaneously, in the system, an air supply outlet, a feed port and a fire regulating device are utilized to realize that the controllability of loads has the redundancy; and combustion products with market value are collected by utilizing a separation device and an ash residue conveying belt. A basic structure of the magnesium energy light-heat generating system consists of a magnesium powder combusting and combustion product collecting loop and a working medium heat transfer loop for supplying water to high-temperature steam, and heat energy and light energy which are generated by combusting metal magnesium are converted into electric energy to realize the value of magnesium, so that the light and heat which are released in the process of combustion are utilized fully, and the combustion products are extracted and recycled. Therefore, the magnesium energy light-heat generating system is convenient to implement and easy to control and is safe and stable; and the reliability and economy of the system is high.
Description
Technical field
The invention belongs to the generation of electricity by new energy technical field, a kind of magnesium that particularly a kind of light and heat that utilizes the magnesium metal burning to send generates electricity can the photo-thermal power generation system.Specifically, be in corresponding container, to burn through magnesium metal, emit a large amount of light and heats, utilize light absorption principle and heat absorption principle, especially utilize to have extinction and the stronger super heat-conductive pipe of heat absorption function, convert thereof into electric energy.Simultaneously, collect combustion product with higher-value.Magnesium can be a kind of new forms of energy of demanding developing and being worth further exploration urgently.
Background technology
The content of magnesium in the earth's crust is about 2.5%, is the 8th element the abundantest.Magnesium metal combustion chemistry strong reaction can be emitted the huge energy of its storage.In air, light, emit a large amount of heats with the synthetic magnesia (MgO) of oxygen, and make it scorching hot, emit strong dazzling white light, produce white cigarette; And also can generate magnesium nitride (Mg with the nitrogen reaction
3N
2).The combustion heat of magnesium is: 24900kJ/kg～25200kJ/kg, and the huge luminous energy of combustion process release, the magnesium of quality just can discharge abundant energy it is thus clear that burn seldom.Combustion product (MgO, Mg in addition
3N
2) have a higher economic value.Key is controllable mode of design, obtains energy to reach from the magnesium burning.The engineer in the Britain Bai Shi of British Columbia town has developed a kind of metal-air battery, and this battery produces electric energy through making water, air and reacting as the magnesium metal of anode supply.Doron professor Aurbach of Israel Efraim Inbar has made first magnesium lithium rechargeable batteries in the world, and this battery life is long, and stable performance.Yet not having one in the world at present is the power plant of fuel with magnesium, except the cost problem in magnesium source, how to make full use of the combustion heat of magnesium, particularly how effectively to utilize its strong luminous energy, and being one has problem to be solved.The new device of designing the luminous energy that utilizes magnesium simultaneously and heat energy is very necessary, is an urgent demand that realizes new energy development.Also has the important value that forms independent intellectual property.
Summary of the invention
The objective of the invention is to propose a kind of magnesium can the photo-thermal power generation system.It is characterized in that; Said magnesium can the photo-thermal power generation system be a kind of heat absorption extinction system that utilizes super heat-conductive pipe, heat exchange of heat pipe to form, and the basic structure of this system is made up of the refrigerant heat transfer loop of the burning of magnesium powder and combustion product collecting loop and feedwater-high-temperature steam jointly; Heat energy and luminous energy that the magnesium metal burning is generated are converted into electric energy, realize that through air inlet 2, charging aperture 3 and intensity of a fire adjusting device 20 load is controlled, and utilize separator 6,18 realizations of lime-ash conveyer belt combustion product to be collected utilized; Burning of said magnesium powder and combustion product collecting loop are placed on below the slag removing chamber 5, form in the intensity of a fire adjusting device 20 on burner hearth 4 tops and the purifier 8 that is contained in below the back-end ductwork 7 by being fixed on charging aperture 3 and air inlet 2, the back-end ductwork 7 that is connected 4 upper right in burner hearth, the separator 6 that is connected burner hearth 4 bottoms and slag removing chamber 5, lime-ash conveyer belt 18 on the burner hearth 4 left walls; The refrigerant heat transfer loop of said feedwater-high-temperature steam by following heat exchange of heat pipe 9, header 10, flue duct heat pipe heat exchanger 11, first heat exchanger 12, go up heat exchange of heat pipe 13 and second heat exchanger 14, steam turbine 16 and engine 17 are composed in series; The super heat-conductive pipe 15 that wherein is contained in the burner hearth 4 connects second heat exchanger 14 and last heat exchange of heat pipe 13 respectively; Separator super heat-conductive pipe 19 connects the separator 6 and first heat exchanger 12 respectively; Purifier 8 below the back-end ductwork 7 connects air blast 1 and air inlet 2; Separator 6 is according to the cyclone dust removal principle; The flue gas stream that carries magnesia and nitrogen oxide combustion product is rotated; Combustion product particle in the flue gas stream is separated from air stream because of receiving centrifugal action, and the combustion product that in burner hearth, falls in the magnesium powder combustion process is collected by the lime-ash conveyer belt through grey cinder notch; The basic function of this system is converted into magnesia and the nitrogen oxide combustion product that electric energy and collection have higher-value for the light and heat energy with magnesium burning.
Said super heat-conductive pipe 15 is positioned at burner hearth 4, absorbs the luminous energy and the heat energy that discharge in the combustion process.Super heat-conductive pipe is a kind of heat transfer element efficiently; Satisfy the heat transfer under the high temperature high heat flux condition; Form concrete proportioning raw materials: in deionized water or high purity water 1000g, contain potassium bichromate 30～50g, sodium perborate 10～15g, boric acid 3～5g, sodium peroxide 1～3g, aluminium hydroxide 0.5～1.5g, cobalt sesquioxide 0.2～0.5g, manganese dioxide 0.2～0.5g by multiple inorganic active metal and compound thereof; Utilize atomic high-frequency vibration transmission heat down the exciting of external cause heat, have extraordinary hot activity and heat sensitivity, superpower heat conductivility makes its thermal conductivity factor can reach 32000 times of fine silver; On conduction orientation, almost do not have the decay of temperature and can transmit heat, in very wide range of temperature, move with the speed that supersonic speed is transmitted.
Said super heat-conductive pipe 15 mainly is used for absorbing the luminous energy and the heat energy of magnesium burning; Comprise two types, wherein type one is with high-temperature resistant glass tube outward for super heat-conductive pipe, and the pyroceram tube outer surface adopts the get everything ready Ni-NiO of magnesium light selectivity absorption characteristic of magnetron sputtering
xFilm, high selectivity absorb plated film the dazzling white light that the magnesium burning produces are converted into heat energy, and the heat energy after the conversion is absorbed by built-in super heat-conductive pipe thereupon; Type two is super heat-conductive pipe independently, and the outside is not provided with high-temperature resistant glass tube, mainly absorbs a large amount of heats that the magnesium burning directly produces; The super heat-conductive pipe interlaced arrangement of two kinds of structure types fully absorbs luminous energy and heat energy.
Said separator super heat-conductive pipe 19 is super heat-conductive pipe independently, and its outside need not be provided with high-temperature resistant glass tube, is positioned at the cavity at separator place, mainly effectively the heat of the isolated combustion product of separator is reclaimed.
Said flue duct heat pipe heat exchanger 11 is positioned at back-end ductwork, the main airborne heat that has neither part nor lot in burning that reclaims, and the evaporating section of heat pipe is in flue duct heat pipe heat exchanger 11 flue gas circulation roads, and the high temperature air that has neither part nor lot in burning flows through here passes to this heat pipe with heat; The condensation segment of this heat pipe is in the flue duct heat pipe heat exchanger 11 working medium circulation passages, and working medium flows through here and is heated.
Said heat exchange of heat pipe 9 down is positioned at lower furnace portion; Mainly effectively the heat in the combustion product that falls is reclaimed, and the protection slag removing chamber, the evaporating section of this heat pipe is in the lime-ash scope; Condensation segment is in heat exchange of heat pipe 9 water stream channels down, and feedwater flow is crossed here and is heated.
The said heat exchange of heat pipe 13 of going up is positioned at burner hearth 4 tops; Main heat and the part magnesium calory burning that absorbs in the flue gas; Flue gas flows through the exhaust gases passes of heat exchange of heat pipe 13 with the heat transferred heat pipe evaporator section, and working medium is heated by heat pipe condenser section in the working medium circulation passage of last heat exchange of heat pipe 13.
Said header 10 connects heat exchange of heat pipe 9 and flue duct heat pipe heat exchanger 11 down, and purpose is to make after the working medium of heat exchange of heat pipe 9 is evenly mixed down to get into flue duct heat pipe heat exchanger 11 again, reduces the inhomogeneities of the working medium in the different passages.
Said first heat exchanger 12 connects flue duct heat pipe heat exchanger 11 and last heat exchange of heat pipe 13; Wherein utilize separator super heat-conductive pipe 19 that its internal working medium is heated; Both played the effect of heating working medium, and made again from the working medium of flue duct heat pipe heat exchanger 11 and mixed fully.
Said second heat exchanger 14 connects goes up heat exchange of heat pipe 13 and steam turbine 16; Because the temperature from the working medium of the super heat-conductive pipe 15 of burner hearth 4 is the highest; Utilize the last heating before 14 pairs of working medium of second heat exchanger get into steam turbine 16; Both played the effect of heating working medium, and made again from the working medium of last heat exchange of heat pipe 13 and mixed fully.
Said separator 6 makes and carries combustion product (MgO, Mg according to the cyclone dust removal principle
3N
2) flue gas stream rotate, the combustion product particle in the flue gas stream is separated from air stream because of receiving centrifugal action, the combustion product that in burner hearth, falls in the magnesium powder combustion process passes through grey cinder notch and is collected by the lime-ash conveyer belt.
Said charging aperture 3 is transported to burner hearth with a certain amount of magnesium powder, and has the effect of regulating magnesium powder conveying capacity according to the load needs, in addition, guarantee the sealing of charging aperture 3, and the control air temperature and humidity prevents spontaneous combustion of magnesium powder and oxidation.
Said air inlet 2 has the effect of control air output, thereby the burning of control magnesium reaches the purpose of regulating load.Air-supply comes from the outside through the new air of dried on the one hand; From the air of back-end ductwork without burning, it removes impurity such as fine particle through purifier, has the air of certain heat on the other hand, realizes making full use of of heat.Send into burner hearth through air inlet after two aspect air mix and make magnesium powder suspension combustion.The suspension combustion scope is big, and the interior heat pipe extinction ability of burner hearth is strengthened.
Said intensity of a fire adjusting device 20 utilizes trimethoxyboroxine (7150) that the magnesium metal burning intensity of a fire is regulated, and realizes that load is controlled; And under accident, handle magnesium powder fire.This device is arranged on upper furnace, and 7150 extinguishing mediums are ejected into the metallic magnesium surface that is burning with vaporific form, forms one deck boric anhydride barrier film at metallic magnesium surface under the high temperature action, makes isolated and make it to extinguish with air.The 7150 extinguishing medium amounts of controlling can reach the effect that realizes Load Regulation.
Said purifier 8 will be removed without purification such as the trickle combustion product particle that contains and a spot of carbon, steam in the air of burning from back-end ductwork and reach certain index and mix with new air and send into burner hearth jointly.
Said slag removing chamber 5 is collected in the burner hearth directly the magnesium combustion product and by the combustion product in the isolated flue gas of separator.
The present invention has following outstanding advantage and effect: the magnesium ability photo-thermal power generation system that is provided; Be a kind of equipment such as super heat-conductive pipe, heat exchange of heat pipe that utilize with great amount of heat and luminous energy transmission feedwater that magnesium powder suspension combustion in air produces, produce the generating of steam pushing turbine and realize having the controlled integration unit of load that the combustion product of higher-value reclaims through separator, lime-ash transport.The present invention is simple and reliable for structure, the loop is reasonable in design, can realize the comprehensive utilization that magnesium is worth; Native system uses magnesium to act as a fuel, and produces electric energy; MgO, the Mg that can realize having good market value simultaneously
3N
2Extraction in byproduct is reclaimed, and economic benefit is considerable.The present invention is owing to need not in environment, to discharge carbon dioxide, sulfur dioxide, and the material that dust etc. pollute environment, the utilization of this invention can reduce the ambient influnence that combustion of fossil fuel and other energy generation devices cause, and belongs to the clean energy resource utilization.Can be easier to carry out the marketization and be applicable, should be one of the important technology of the needs developing of current utilization of new energy resources.
Description of drawings
Fig. 1 is that a kind of magnesium can the photo-thermal power generation system schematic.
The specific embodiment
The present invention proposes a kind of magnesium can the photo-thermal power generation system.Below in conjunction with accompanying drawing concrete structure of the present invention, the course of work and preferred forms are described further.This system is a kind of heat absorption extinction system that utilizes super heat-conductive pipe, heat exchange of heat pipe to form, and the basic structure of this system is made up of the refrigerant heat transfer loop of the burning of magnesium powder and the combustion product collecting loop and the high-temperature steam that feeds water jointly; By burning of magnesium powder and combustion product collecting loop heat energy and the luminous energy that the magnesium metal burning generates is converted into electric energy; Realize that through air inlet 2, charging aperture 3 and intensity of a fire adjusting device 20 load is controlled, and utilize separator 6, lime-ash conveyer belt 18 to realize combustion product (MgO, Mg
3N
2) collect and utilize; Fig. 1 is that magnesium can the photo-thermal power generation system schematic.Native system mainly is made up of two loops, is respectively the refrigerant heat transfer loop of burning of magnesium powder and combustion product collecting loop and the high-temperature steam that feeds water.
First loop is burning of magnesium powder and combustion product collecting loop: a certain amount of magnesium powder gets into burner hearth 4 through feeding port 3, and air gets into burner hearth 4 by air outlet 2, oxygen (O in ignite the effect low suspension magnesium powder and the air of igniter
2) and nitrogen (N
2) react, suspension combustion generates magnesia (MgO) and magnesium nitride (Mg
3N
2), discharge scorching hot luminous energy when emitting huge heat.Combustion product (MgO, Mg
3N
2) part falls in the burner hearth 4 bottom slag removing chambers 5; Another part carries out burner hearth 4 by the air stream that has neither part nor lot in burning; Cyclone dust removal principle through separator 6; The air stream that carries combustion product is rotated; Combustion product particle in the air stream is separated from air stream because of receiving centrifugal action, together collected by lime-ash conveyer belt 18 through grey cinder notch 5 with the combustion product that falls in the magnesium powder combustion process in the burner hearth.After flowing through back-end ductwork 7 through the high temperature air behind the separator 6, purify removal by being positioned at trickle combustion product particle that back-end ductwork 78 pairs outside of purifiers wherein contain and a spot of carbon, steam etc.At this moment, obtain having the air of certain heat, and it is mixed with new air send burner hearth 4 to by air inlet 2 in the lump and carry out recycle.Wherein, air inlet 2 has the effect of control air output, thereby the burning of control magnesium reaches the purpose of regulating load.Air-supply comes from the outside through the new air of dried on the one hand; From the air of back-end ductwork without burning, it removes impurity such as fine particle through purifier, has the air of certain heat on the other hand, realizes making full use of of heat.Send into burner hearth through air inlet after two aspect air mix and make magnesium powder suspension combustion.The suspension combustion scope is big, and the interior heat pipe extinction ability of burner hearth is strengthened.Charging aperture 3 plays the controlled effect of load through regulating the magnesium powder amount and the intensity of a fire adjusting device of carrying respectively through trimethoxyboroxine (7150) the extinguishing medium amount of spraying.Said charging aperture 3 is transported to burner hearth with a certain amount of magnesium powder, and has the effect of regulating magnesium powder conveying capacity according to the load needs, in addition, guarantee the sealing of charging aperture 3, and the control air temperature and humidity prevents spontaneous combustion of magnesium powder and oxidation.
Second loop is the refrigerant heat transfer loop of high-temperature steam of feeding water: at first feedwater is admitted to down in the heat exchange of heat pipe 9, realizes falling into the heating of the interior combustion product of burner hearth to it.Then working medium is fully mixed by a plurality of subtubes entering headers 10 in the following heat exchange of heat pipe 9, realizes that the temperature of the working medium of entering flue duct heat pipe heat exchanger 11 equates.Working medium gets into first heat exchanger 12 after in flue duct heat pipe heat exchanger 11, receiving to have neither part nor lot in the back-end ductwork 7 heating of the air with certain heat of burning, and separated device super heat-conductive pipe 19 heats in first heat exchanger 12.Then; Working medium gets into and goes up heat and the part magnesium calory burning that heat exchange of heat pipe 13 absorbs in the flue gas; Get into successively second heat exchanger 14; Super heat-conductive pipe 15 absorbs the scorching hot luminous energy that the magnesium metal burning discharges on the one hand indirectly, directly absorbs a large amount of heats that the magnesium metal burning discharges on the one hand, and the gross energy that super heat-conductive pipe 15 is absorbed is imported 14 heat exchange of second heat exchanger and given working medium.Through a series of heating and heat exchange, the light and heat that the magnesium metal burning generates are converted into the heat energy of working medium, make working medium become high temperature and high pressure steam by water, and steam pushing turbine 16 does work and produces electric energy through generator 17.
For realizing the controlled of load and under needs instant fire extinguishment or magnesium metal burn unmanageable accident condition, the fire-fighting principle of magnesium metal is provided with intensity of a fire adjusting device 20 according to trimethoxyboroxine (7150).7150 extinguishing mediums are ejected into the metallic magnesium surface that is burning with vaporific form, form one deck boric anhydride barrier film at metallic magnesium surface under the high temperature action, make isolated and make it to extinguish with air.Except the control and feeding port control to magnesium powder conveying capacity of air outlet to the air conveying capacity, also can reach the effect that realizes Load Regulation through controlling 7150 extinguishing medium amounts, visible, this magnesium can have redundancy to the control of loading by the photo-thermal reforming unit.
Said super heat-conductive pipe 15 is critical components of magnesium ability photo-thermal reforming unit with separator super heat-conductive pipe 19.In the process of magnesium burning, need not any power and realize the heat absorption extinction, the heat transfer efficiency with superelevation helps improving the transformation efficiency of burner and the parameter of working medium.The super heat-conductive pipe structure can also be made according to the situation in concrete space and the situation of other system, according to basic principle of the present invention, can make the device of all kinds of model sizes.Be characterized in: applied widely; Thermal conductivity is good; Single or several damaged systems are unaffected; Operation heat pipe thermal capacitance is extremely low; Quick heating under the especially severe accident, can utilize radiation heat transfer to absorb heat under the condition of high temperature; Can eliminate the heat conduction dead band.Water and other liquid working substance have multi-form chemical reaction with female pipe metal in the high-temperature phase-change process; Like on-condensible gases such as just easy generation hydrogen in the hydro-thermal pipe; Thereby form the heat conduction dead band on heat pipe top, influence heat-transfer effect, and there is not this problem in the superconductive medium heat pipe.Easy for installation, not limited by the installation site.General heat pipe must rely on gravity to realize the circulation (title gravity type heat pipe) of liquid.Super heat-conductive pipe can be installed arbitrarily, as long as there is the temperature difference just can conduct heat.
The system operational parameters problem of this invention depends mainly on the associated conduit material property; Situation according to present heat transfer Heat Conduction Material; The highest operational factor of the present invention can reach the suitable parameter of the critical unit of present thermoelectricity, and steam pressure can reach 24MPa-26MPa, and temperature can reach 538 ℃.
Claims (12)
1. a magnesium can the photo-thermal power generation system; It is characterized in that; Said magnesium can the photo-thermal power generation system be a kind of heat absorption extinction system that utilizes super heat-conductive pipe, heat exchange of heat pipe to form, and the basic structure of this system is made up of the refrigerant heat transfer loop of the burning of magnesium powder and combustion product collecting loop and feedwater-high-temperature steam jointly; Heat energy and luminous energy that the magnesium metal burning is generated are converted into electric energy, realize that through air inlet (2), charging aperture (3) and intensity of a fire adjusting device (20) load is controlled, and utilize separator (6), lime-ash conveyer belt (18) realization combustion product to be collected utilized;
Burning of said magnesium powder and combustion product collecting loop by be fixed on charging aperture (3) and air inlet (2) on the left wall of burner hearth (4), be connected upper right of burner hearth (4) back-end ductwork (7), be connected the separator (6) on burner hearth (4) right side, below slag removing chamber (5), the lime-ash conveyer belt (18) of burner hearth (4) downside is placed on slag removing chamber (5), in the intensity of a fire adjusting device (20) on burner hearth (4) top and be contained in purifier (8) composition below the back-end ductwork (7); The refrigerant heat transfer loop of said feedwater-high-temperature steam is by descending heat exchange of heat pipe (9), header (10), flue duct heat pipe heat exchanger (11), first heat exchanger (12), last heat exchange of heat pipe (13) to be composed in series with second heat exchanger (14), steam turbine (16) and engine (17); An end that wherein is contained in the super heat-conductive pipe (15) in the burner hearth (4) is in burner hearth (4), and the other end connects second heat exchanger (14); Separator super heat-conductive pipe (19) connects separator (6) and first heat exchanger (12) respectively; Purifier (8) below the back-end ductwork (7) connects air blast (1) and air inlet (2); Separator (6) is according to the cyclone dust removal principle; The flue gas stream that carries magnesia and nitrogen oxide combustion product is rotated; Combustion product particle in the flue gas stream is separated from air stream because of receiving centrifugal action, and the combustion product that in burner hearth, falls in the magnesium powder combustion process is collected by the lime-ash conveyer belt through grey cinder notch; The basic function of this system is converted into magnesia and the nitrogen oxide combustion product that electric energy and collection have higher-value for the light and heat energy with magnesium burning.
2. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that; Said super heat-conductive pipe (15) is positioned at burner hearth (4); Absorb the luminous energy and the heat energy that discharge in the combustion process, super heat-conductive pipe is a kind of heat transfer element efficiently, satisfies the heat transfer under the high temperature high heat flux condition; Form concrete proportioning raw materials: in deionized water or high purity water 1000g, contain potassium bichromate 30～50g, sodium perborate 10～15g, boric acid 3～5g, sodium peroxide 1～3g, aluminium hydroxide 0.5～1.5g, cobalt sesquioxide 0.2～0.5g, manganese dioxide 0.2～0.5g by multiple inorganic active metal and compound thereof; Utilize atomic high-frequency vibration transmission heat down the exciting of external cause heat, have extraordinary hot activity and heat sensitivity, superpower heat conductivility makes its thermal conductivity factor can reach 32000 times of fine silver; On conduction orientation, transmit heat with hypersonic velocity.
3. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1, it is characterized in that said super heat-conductive pipe
(15) mainly be used for absorbing luminous energy and the heat energy that magnesium burns; Comprise two types, wherein type one is with high-temperature resistant glass tube outward for super heat-conductive pipe, and the pyroceram tube outer surface adopts the get everything ready Ni-NiO of magnesium light selectivity absorption characteristic of magnetron sputtering
xFilm, high selectivity absorb plated film the dazzling white light that the magnesium burning produces are converted into heat energy, and the heat energy after the conversion is absorbed by built-in super heat-conductive pipe thereupon; Type two is super heat-conductive pipe independently, and the outside is not provided with high-temperature resistant glass tube, mainly absorbs a large amount of heats that the magnesium burning directly produces; The super heat-conductive pipe interlaced arrangement of two kinds of structure types fully absorbs luminous energy and heat energy.
4. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that; Said separator super heat-conductive pipe (19) is super heat-conductive pipe independently; Its outside need not be provided with high-temperature resistant glass tube, is positioned at the cavity at separator place, mainly effectively the heat of the isolated combustion product of separator is reclaimed.
5. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that; Said flue duct heat pipe heat exchanger (11) is positioned at back-end ductwork; The main airborne heat that has neither part nor lot in burning that reclaims, the evaporating section of heat pipe is in flue duct heat pipe heat exchanger (11) flue gas circulation road, and the high temperature air that has neither part nor lot in burning flows through here passes to this heat pipe with heat; The condensation segment of this heat pipe is in flue duct heat pipe heat exchanger (11) the working medium circulation passage, and working medium flows through here and is heated.
6. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that said heat exchange of heat pipe (9) down is positioned at lower furnace portion, mainly effectively the heat in the combustion product that falls is reclaimed; And protection slag removing chamber; The evaporating section of this heat pipe is in the lime-ash scope, and condensation segment is in heat exchange of heat pipe (9) water stream channel, and feedwater flow is crossed here and is heated.
7. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that; The said heat exchange of heat pipe (13) of going up is positioned at burner hearth (4) top; Main heat and the part magnesium calory burning that absorbs in the flue gas, flue gas flows through the exhaust gases passes of heat exchange of heat pipe (13) with the heat transferred heat pipe evaporator section, and working medium is heated by heat pipe condenser section in the working medium circulation passage of last heat exchange of heat pipe (13).
8. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that; Said header (10) connects heat exchange of heat pipe (9) and flue duct heat pipe heat exchanger (11) down; Purpose is to make after the working medium of heat exchange of heat pipe (9) is evenly mixed down to get into flue duct heat pipe heat exchanger (11) again, reduces the inhomogeneities of the working medium in the different passages.
9. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that; Said first heat exchanger (12) connects flue duct heat pipe heat exchanger (11) and last heat exchange of heat pipe (13); Wherein utilize separator super heat-conductive pipe (19) that first heat exchanger (12) internal working medium is heated, both played the effect of heating working medium, make again from the working medium of flue duct heat pipe heat exchanger (11) and mixed fully.
10. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that; Heat exchange of heat pipe (13) and steam turbine (16) in said second heat exchanger (14) connection, since the highest from the temperature of the working medium of the super heat-conductive pipe (15) of burner hearth (4), utilize second heat exchanger (14) that working medium is got into the preceding last heating of steam turbine (16); Both played the effect of heating working medium, and made again from the working medium of last heat exchange of heat pipe (13) and mixed fully.
11. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1, it is characterized in that said intensity of a fire adjusting device (20) utilizes trimethoxyboroxine that the magnesium metal burning intensity of a fire is regulated, and realizes that load is controlled; And under accident, handle magnesium powder fire; Promptly be arranged on upper furnace intensity of a fire adjusting device (20) the trimethoxyboroxine extinguishing medium is ejected into the metallic magnesium surface that is burning with vaporific form; Form one deck boric anhydride barrier film at metallic magnesium surface under the high temperature action; Make isolatedly and make it to extinguish with air, control trimethoxyboroxine extinguishing medium amount can reach the effect that realizes Load Regulation.
12. can the photo-thermal power generation system according to the said a kind of magnesium of claim 1; It is characterized in that said purifier (8) will purify to remove without the trickle combustion product particle that contains and a spot of carbon, steam in the air of burning and reach certain index and mix with new air and send into burner hearth jointly from back-end ductwork.
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|---|---|---|---|
| CN201010293926A CN101963342B (en) | 2010-09-27 | 2010-09-27 | Magnesium energy light-heat generating system |
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|---|---|---|---|
| CN201010293926A CN101963342B (en) | 2010-09-27 | 2010-09-27 | Magnesium energy light-heat generating system |
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| CN110699046A (en) * | 2019-08-26 | 2020-01-17 | 山东龙光天旭太阳能有限公司 | Superconductive heat transfer medium for solar vacuum heat collection tube and preparation method thereof |
| CN113803890B (en) * | 2021-10-15 | 2024-09-03 | 西北农林科技大学 | Solar energy stone crushing groove auxiliary heating anti-icing freezing structure for cold region water delivery channel |
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| US8633371B2 (en) * | 2007-11-09 | 2014-01-21 | The Boeing Company | Device and method for generating electrical power |
| US8519254B2 (en) * | 2008-04-08 | 2013-08-27 | The Boeing Company | Device and method for generating electrical power |
| US8088184B2 (en) * | 2008-09-29 | 2012-01-03 | Envirochem Solutions Llc | High flash point additives for treating carbon-based fuels |
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2010
- 2010-09-27 CN CN201010293926A patent/CN101963342B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4382771A (en) * | 1980-05-12 | 1983-05-10 | Lola Mae Carr | Gas and steam generator |
| CN1130747A (en) * | 1995-03-09 | 1996-09-11 | 于兆范 | Full heat pipe boiler |
Non-Patent Citations (1)
| Title |
|---|
| JP昭63-307106A 1988.12.14 |
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| CN101963342A (en) | 2011-02-02 |
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