CN103097816A - Efficient forced air heater - Google Patents
Efficient forced air heater Download PDFInfo
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- CN103097816A CN103097816A CN2011800393185A CN201180039318A CN103097816A CN 103097816 A CN103097816 A CN 103097816A CN 2011800393185 A CN2011800393185 A CN 2011800393185A CN 201180039318 A CN201180039318 A CN 201180039318A CN 103097816 A CN103097816 A CN 103097816A
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- flow
- forced air
- air heater
- heater
- air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0488—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
- F24H9/0057—Guiding means
- F24H9/0068—Guiding means in combustion gas channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/21—Burners specially adapted for a particular use
- F23D2900/21003—Burners specially adapted for a particular use for heating or re-burning air or gas in a duct
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
- Air Supply (AREA)
Abstract
Provided is a forced air heater. The forced air heater may comprise a housing defining a duct. The duct may be adapted for a flow of fluid therethrough. The heater may be adapted to provide a flow of fluid through the duct that is substantially laminar or transient.
Description
The cross reference of related application
The application requires to enjoy the U.S. Provisional Application No.61/354 that submitted on June 15th, 2010,954 rights and interests.All are by U.S. Provisional Application No.61/354, and 954 disclosed themes are all incorporated the application into by reference.
Technical field
Some embodiment disclosed herein is usually directed to heater.More particularly, some embodiment disclosed herein relates generally to forced air heater.More particularly, some embodiment disclosed herein relates generally to the efficient of forced air heater.
Background technology
Heater provides heat.Some heaters at combustion synthesis in air fuel so that heat to be provided.Forced air heater be at combustion synthesis in air fuel so that the heater of heat to be provided, it also provides by outlet opening and forces air output.
In certain embodiments, forced air heater comprises design element, and it is inefficient aspect one or more.In certain embodiments, forced air heater is for a problem, and wherein the wind in surrounding air or air blast are blown into outlet opening and relative air output.Windage is to be blown into the wind of outlet opening and relative air output and the resistance of air blast in surrounding air in forced air heater.
Some forced air heaters comprise the parts that are suitable for improving windage.A plurality of parts that are suitable for improving windage can reduce the efficient of forced air heater.
Some forced air heaters comprise the parts of the mixing that is suitable for promoting air and fuel.A plurality ofly be suitable for promoting the parts of the mixing of air and fuel can reduce the efficient of forced air heater.
In certain embodiments, inefficiently itself show as noise or to the resistance of air-flow by heater.
Although still need to provide the forced air heater with improved efficient, it will comprise and be suitable for improving windage, or be suitable for promoting the mixing of air and fuel or both parts.
Summary of the invention
A kind of forced air heater is provided.This forced air heater can comprise shell, and this shell limits pipeline.This pipeline goes for flow and crosses therebetween.This heater can be suitable for providing by pipeline, be the flow of laminar flow or transient flow basically.
A kind of forced air heater further is provided.This forced air heater can comprise shell, and this shell limits pipeline.This pipeline is suitable for flow therefrom to be passed through.This heater is suitable for providing the flow by pipeline, and wherein said flow has the Reynolds number less than 4000.
A kind of forced air heater further is provided.This forced air heater can comprise shell, and this shell limits elongated interior zone.This elongated interior zone can have the relative roughness less than 0.05.This elongated interior zone can have first end and the second end.This shell can comprise the first opening, its close first end, and be suitable for providing between environment and interior zone the fluid that therefrom passes through to be communicated with.This shell can comprise the second opening, its close second end, and be suitable for providing between environment and interior zone the fluid that therefrom passes through to be communicated with.Forced air heater can comprise the air mobile device, and it is suitable for producing the air-flow that enters the first opening and the flow that flows out the second opening.This heater goes for producing the fully developed flow body stream that therefrom passes through, and does not produce the sound over 60dB.
A kind of forced air heater further is provided.This forced air heater can comprise shell, and this shell limits elongated interior zone.This elongated interior zone can have the relative roughness less than 0.05.This elongated interior zone can have first end and the second end.This shell can comprise the first opening, and it is near first end and be suitable for providing between environment and interior zone the fluid that therefrom passes through to be communicated with.This shell can comprise the second opening, and it is suitable for providing between environment and interior zone the fluid that fluid therefrom passes through to be communicated with near the second end.This second opening can have the area less than 0.008 square metre.This forced air heater can comprise the air mobile device, and it is suitable for producing the air-flow that is blown into the first opening and the flow that flows out the second opening, and described flow surpasses 0.005 Kilograms Per Second.This forced air heater goes for producing the flow that launches fully that therefrom flows out, and it has the Reynolds number less than 4000.This forced air heater goes for producing the flow that launches fully that therefrom flows out, and does not produce the sound over 60db.
Description of drawings
Fig. 1 is the cross-sectional view of heater;
Fig. 2 is another cross-sectional view of heater;
Fig. 3 is the cross-sectional view of another heater;
Fig. 4 is moody diagram (Moody diagram);
Fig. 5 is the view of dividing plate; With
Fig. 6 is the view of another dividing plate.
The specific embodiment
Will reference be accompanying drawing, Fig. 1-6, content shown in it only is used for illustrating some embodiment of efficient forced air heater, rather than in order to limit it.
In certain embodiments, forced air heater 50 can comprise shell 100, burner 150 and air mobile device 160.
Shell 100 can limit interior zone 120, and this zone is suitable for receiving input air 210 streams, fuel 220 streams, or the mixed flow of air 200 and fuel 220; Be suitable for holding the burning of air 200 and fuel 220, and be suitable for quantity of heat given up 260 and combustion product 280 streams.Air 200 in shell 200 can obtain from input air 210 or from another source or entrance.In certain embodiments, shell 100 can be the slim-lined construction that limits the hollow of interior zone 120 within it.Shell 100 can comprise first end 102 and the second end 104.First end 102 can comprise the entrance 106 that is suitable for providing the fluid connection of therefrom passing through between environment 90 and interior zone 120.The second end 104 can comprise the outlet 108 that is suitable for providing the fluid connection of therefrom passing through between environment 90 and interior zone.
In certain embodiments, shell 100 can form pipeline 110, first end 102 and the second end 104, the entrance 106 that limits elongated interior zone 120 and export 108, but is not limited to this.In certain embodiments, pipeline 110 is suitable for allowing fluid therefrom to flow through, but is not limited to this, such as, air 200, and the perhaps mixture of air 200 and fuel 220, perhaps combustion product 280, also are not limited to this.
In certain embodiments, outlet 108 area can be less than 0.2 square metre, but is not limited to this.In certain embodiments, outlet 108 area can be less than 0.1 square metre, but is not limited to this.In certain embodiments, outlet 108 area can be less than 0.05 square metre, but is not limited to this.
In certain embodiments, shell 100 is suitable for operating, and wherein input air 210 flows into the first end 102 of shell 100; Its Air 200 and the mixture of fuel 220 or air 200 and fuel 220 mix to form the mixture of air 200 and fuel 220; Wherein mixture is burned to produce heat 260 and combustion product 280; And wherein heat 260 and combustion product 280 flow out the second end 104 of shell 100.
In certain embodiments, forced air heater 50 can operate as follows: allow the sub-fraction input air 210 of the first end 102 of inflow shell 100 not participate in combustion reaction and flow out the second end 104 of shells 100 as delivery air 290, but be not limited to this.In certain embodiments, in operation, the sub-fraction air 200 that flow into the first end 102 of shell 100 does not participate in combustion reaction and flows out the second end 104 of shells 100 as delivery air 290.In certain embodiments, the part air 200 that flows out the second end 104 of shell 100 as delivery air 290 is heated by heat 260, the temperature of delivery air 290 is just higher than the temperature of input air 210 like this, and can be used for sending heat to environment 90 or to other zone or object.
In certain embodiments, burner 150 can comprise for the mixture of combustion air 200 and fuel 220 producing the place of heat 260 and combustion product 280, but be not limited to this.Fuel 220 can comprise kerosene, propane, natural gas, alcohol, its mixture, or other fuel.In certain embodiments, burner 150 can be supplied with the air 200 that comes from input air 210, but is not limited to this.In certain embodiments, burner 150 can be used the mixture supply of fuel 220 or air 200 and fuel 220, but is not limited to this.In certain embodiments, burner 150 can be supplied with fuel 220 or by the burning that pipeline 152, flexible pipe, conduit or other device for transferring fluid are transported to the mixture of the air 200 of burner 150 and fuel 220, but is not limited to this.Fuel 220 can be by the fuel tank that is associated, the fuel cylinder that is associated, the supply line that is associated, or other fuel container that is associated or source supply to forced air heater 50.
Air mobile device 160 can comprise any equipment that can suck surrounding air and air-flow is provided therefrom.In certain embodiments, air mobile device 160 can comprise fan, air blast, air compressor, the pump of tube-axial fan 160, centrifugal fan, cross flow fan, another type, or their some combinations, but is not limited to this.In certain embodiments, the air mobile device is suitable for setting up input air-flow and output gas flow, and wherein output gas flow has than the higher in fact air pressure of input air-flow, but is not limited to this.In certain embodiments, air mobile device 160 can assemble with shell 100, thereby is surrounded by shell 100 partially or entirely, but is not limited to this.In certain embodiments, air mobile device 160 can assemble with shell, thereby is surrounded fully by interior zone 120 or pipeline 110, but is not limited to this.In certain embodiments, air mobile device 160 can produce the air-flow by forced air heater 50, but is not limited to this, this air-flow linear flow rate, volume flow rate, mass velocity, or some flow and will usually limit.In certain embodiments, the linear flow rate that air-flow can be used in 0 to 50 meter scope of per second limits, but is not limited to this.In certain embodiments, the volume flow rate that air-flow can be used in 0 to 0.4 cubic meters per second scope limits, but is not limited to this.In certain embodiments, air-flow can be used in 0 to 0.5 kilogram of volume flow rate in the per second scope and limit, but is not limited to this.
In certain embodiments, air mobile device 160 can drive air-flow by forced air heater 50, but is not limited to this, and this equipment is suitable for applying and other material or fluid, for example fuel 220, combustion product 280, delivery air 290, or other fluid similar stream basically.
Forced air heater 50 can comprise dividing plate 300.Dividing plate 300 can comprise web plate, burner platform, screen, flameholder plate, or other porous surface or porous plate.Dividing plate 300 can be basically flat, can be basically Frusto-conical, perhaps can comprise other geometry.Dividing plate 300 can comprise closed area 320 and open area 340.Closed area 320 is the mobile impervious of air 200 or fuel 220 basically.Will further disclose as following, closed area 320 is the mobile impervious of wind or air-flow basically.Open area 340 is opened basically for air 200 or the mobile of fuel 220.Will further disclose as following, open area 340 is open for flowing of wind or air-flow basically.In certain embodiments, as shown in Fig. 2 and 3, open area 320 can limit with perforation 310, but is not limited to this.Perforation 310 can be circle, rhombus or any other shape.
In certain embodiments, dividing plate 300 can be the dividing plate 300 that basically seals, but is not limited to this.Basically the dividing plate 300 of sealing can comprise the closed area 320 than open area more than 340 basically.In certain embodiments, as shown in Figure 2, the dividing plate 300 of sealing can comprise dividing plate 300 basically, and the part area of the dividing plate that is wherein limited by closed area 320 is basically greater than the part area of the dividing plate that is limited by open area 340, but is not limited to this.
The percentage of sealing is the share of area of the part of the dividing plate that limited by closed area 320.In certain embodiments, the dividing plate 300 of sealing can be 60% sealing, 70% sealing, 80% sealing, 90% sealing, 95% sealing basically, or some other percentage sealings, but is not limited to this.
In certain embodiments, dividing plate 300 can be the dividing plate 300 of basically opening, but is not limited to this.Basically open dividing plate 300 can comprise the open area 340 than closed area more than 320 basically.In certain embodiments, as shown in Figure 3, basically open dividing plate 300 can comprise the dividing plate that is limited by open area 340 the part area basically greater than the dividing plate 300 of the part area of the dividing plate that is limited by closed area 320, but be not limited to this.
In certain embodiments, open dividing plate 300 can be 40% sealing, 30% sealing, 20% sealing, 10% sealing, 5% sealing basically, or some other percentage sealings, but is not limited to this.
The percentage of the sealing of dividing plate 300 can affect the mobile performance that air 200, fuel 220 or other fluid therefrom flow through basically.In certain embodiments, the sealing that increases dividing plate 300 can increase fluid zone 120 internally, or pipeline 110, or the resistance that flows through of forced air heater 50, but is not limited to this.In certain embodiments, the sealing that increases dividing plate 300 can increase coefficient of friction or the relative roughness of interior zone 120 or pipeline 110, but is not limited to this.In certain embodiments, the dividing plate 300 of sealing can impel the larger turbulent flow of Fluid Flow in A that therefrom flows through than more open dividing plate 300 more.On the contrary, more open dividing plate 300 can impel larger laminar flow to flow through wherein than the dividing plate 300 of sealing more.
In certain embodiments, open area 340 or bore a hole and 310 can limit air 200 or fuel 220 or other fluid can be by its hole of flowing.In certain embodiments, open area 340 or bore a hole and 310 go for producing the choked flow of flowing through it, but be not limited to this.
As shown in Figure 4, flowing can be laminar flow, turbulent flow, perhaps the transition state between laminar flow and turbulent flow.As mentioned above, the mobile performance of the fluid in forced air heater 50 can comprise whether about flowing be laminar flow, turbulent flow, or the flow behavior of transient flow.Transient flow is the transition state that is between laminar flow and turbulent flow.It is laminar flow, transient flow or turbulent flow that Reynolds number, Re can be used for determining to flow.In certain embodiments, when Re be laminar flow less than approximately flowing 2300 the time; Flowing when Re is between about 2300 and 4000 is transient flow; And when Re be turbulent flow greater than approximately flowing 4000 the time, but be not limited to this.As will be discussed further below, these two states of laminar flow and turbulent flow have advantage.
In certain embodiments, forced air heater 50 can be suitable for moving under the condition that comprises sizable wind or air blast.In certain embodiments, wind or air blast can reverse by air mobile device 160 at the interior flow direction that produces of forced air heater 50, perhaps heat 260 or combustion product 280 can be blown in forced air heater 50, perhaps can produce the operation of not expecting of forced air heater 50.Forced air heater 50 can comprise adapter, to prevent that wind or air blast are in the interior reverse flow of forced air heater 50, perhaps prevent from heat 260 or combustion product 280 are blown in forced air heater 50, perhaps prevent other the operation of not expecting of forced air heater 50.Be used for preventing that wind or air blast are in the interior reverse flow of forced air heater 50, perhaps prevent from heat 260 or combustion product 280 are blown in forced air heater 50, the adapter that perhaps prevents other undesirable operation of forced air heater 50 is the adapter that improves windage.
In certain embodiments, the adapter that forced air heater may comprise is used for improving windage is the dividing plate 300 that basically seals, but is not limited to this.As mentioned above, in certain embodiments, the sealing that increases dividing plate 300 can improve at interior zone 120, or pipeline 110, or the resistance that flows through in forced air heater 50, but is not limited to this.Can the sealing percentage of the dividing plate 300 of sealing recently improve zone 120 internally by selecting basically, or pipeline 110, or the resistance that flows through in forced air heater 50, and increase thus windage.In certain embodiments, along with the increase of the percentage of the sealing of dividing plate 300, windage also increases, but is not limited to this.
In certain embodiments, the adapter that forced air heater may comprise is used for improving windage is diffuser 400, but is not limited to this.Diffuser is the pipeline that comprises the first opening 410 and the second opening 420, and wherein the area of the second opening 420 is greater than the area of the first opening 410.In certain embodiments, the first opening 410 of diffuser 400 is suitable for receiving the air-flow that comes from air mobile device 160.In certain embodiments, the first opening 410 of 400 of diffuser can closely engage with the outlet of air mobile device 160, and the first opening 410 of diffuser 400 just is suitable for receiving that all come from the air-flow of air mobile device 160 basically like this.In certain embodiments, diffuser is suitable for receiving by the first opening 410 air-flow that comes from air mobile device 160, and is used for air-flow by the second opening 420 discharge diffusers 400.In certain embodiments, diffuser only comprises two openings, the first opening 410 and the second opening 420.In certain embodiments, the second opening 420 of diffuser 400 can closely engage with the inner surface 115 of shell 100.In certain embodiments, diffuser 400 can be hollow, and is roughly frustoconical.
In certain embodiments, the adapter that is used for the raising windage that forced air heater may comprise is viscous flow accessory 430, but is not limited to this.Viscous flow accessory 430 is can impermeable mobile plate, piece or other geometry.In certain embodiments, viscous flow accessory 430 also is the axis setting of the diffuser 400 of frustum-shaped basically along hollow.In certain embodiments, viscous flow accessory 430 is arranged to the position close to the rotation of the air mobile device 160 that comprises tube-axial fan.In certain embodiments, viscous flow accessory 430 is circular slabs of being arranged near the rotation of tube-axial fan.
In certain embodiments, comprise some adapter, as diffuser 400, or viscous flow accessory 430, or both, may not need other adapter (such as the dividing plate 300 of sealing basically) so that required other windage of level to be provided with the forced air heater 50 that improves windage, but be not limited to this.
In certain embodiments, forced air heater 50 can be suitable for promoting the mixing of air 200 and fuel 220.In certain embodiments, the adapter of the mixing that is used for promotion air 200 and fuel 220 that forced air heater may comprise is the dividing plate 300 that basically seals, but is not limited to this.As mentioned above, in certain embodiments, the dividing plate 300 of sealing can impel the larger turbulent flow of fluid that therefrom flows through than more open dividing plate 300 more.In certain embodiments, forced air heater 50 can comprise basically the dividing plate 300 of sealing, and it is suitable for promoting the air 200 that therefrom flows through and the larger turbulent flow of fuel 220.Turbulent flow can promote immixture, but is not limited to this.In certain embodiments, forced air heater 50 can comprise basically the dividing plate 300 of sealing, its be suitable for promoting to flow through wherein air 200 and the larger turbulent flow of fuel 220, and promote thus the mixing of air 200 and fuel 220.
In certain embodiments, the adapter of the mixing that is used for promotion air 200 and fuel 220 that forced air heater may comprise is Venturi tube 500, but is not limited to this.Venturi tube 500 is the equipment of mixing air and fuel.In certain embodiments, the Venturi tube 500 outlet (not shown) that can comprise for the hole (not shown) that imports fuel 220 from the associated fuel source (not shown), be used for importing the ingate 520 of air and be used for the mixture of output fuel 220 and air 200.
In certain embodiments, comprise some adapter, for example Venturi tube 500, forced air heater 50 with the mixing that promotes air 200 and fuel 220 may not need other adapter, the dividing plate 300 that for example basically seals, the mixing of required other air 200 of level and fuel 220 is provided, but is not limited to this.
Except above-mentioned benefit, in certain embodiments, turbulent flow also can inspire with other operating conditions and cause or relevant to it.In certain embodiments, turbulent flow can make up to cause or relevant to it with certain of the form of whirlpool, eddy current or other complicated flow pattern, larger resistance, larger noise, lower efficient or they, but be not limited to this.In certain embodiments, basically the dividing plate 300 of sealing can use the form of the resistance by heater to air-flow increase turbulent flow and inefficient both, but be not limited to this.In certain embodiments, the dividing plate 300 of sealing can increase turbulent flow and the noise that directly or indirectly grows from turbulent flow basically, but is not limited to this.
Turbulent flow can be than laminar flow or the larger sound of transient flow or larger noise basically.In certain embodiments, be basically with turbulent flow flow through wherein and the forced air heater 50 of working can produce noise over 50dB, surpass 60dB noise, surpass the noise of 70dB, or surpass the noise of 80dB, but be not limited to this.In certain embodiments, basically not have forced air heater 50 that turbulent flow is passed through wherein to work may not produce noise over 60dB, the noise over 50dB may be do not produced, the noise over 40dB may be do not produced, perhaps may not produce the noise over 30dB, but be not limited to this.
Turbulent flow can be basically than laminar flow or transient flow low efficient also.In certain embodiments, basically be to flow through wherein and the forced air heater 50 of working may need larger power basically than other similar forced air heaters 50 with laminar flow or transient flow work basically with turbulent flow, producing basically similar output stream speed, but be not limited to this.In certain embodiments, the forced air heater 50 of the work there is no turbulent fluid wherein may need to have more 10% power than other the similar forced air heaters 50 with laminar flow or transient flow work basically, have more 20% power, have more 30% power, have more 40% power, have more 50% power, have more 60% power, have more 70% power, or have more 80% power, producing basically similar output stream speed, but be not limited to this.
In certain embodiments, forced air heater 50 can comprise basically open dividing plate 300, but is not limited to this.In certain embodiments, the forced air heater 50 that comprises basically open dividing plate 300 can comprise diffuser 400 or viscous flow accessory 430 or both, improving windage, but is not limited to this.In certain embodiments, comprise that the forced air heater 50 of basically open dividing plate 300 can comprise that Venturi tube 500 promotes the mixing of air 200 and fuel 220, but be not limited to this.In certain embodiments, forced air heater 50 can comprise basically open dividing plate 300, diffuser 400, viscous flow accessory 430 and Venturi tube 500, but is not limited to this.
In certain embodiments, avoiding or basically can not promote the forced air heater 50 of the mode work of turbulent air flow can benefit from non-turbulent flow, it can be due to the resistance that lacks some turbulent flows and noise and is quieter and more effective, but is not limited to this.In certain embodiments, forced air heater 50 goes for avoiding or does not basically promote the mode of turbulent air flow to work, but is not limited to this.In certain embodiments, be suitable for avoiding or basically do not promote forced air heater 50 operations of the mode work of turbulent air flow to work by this way, namely flow through wherein be laminar flow basically, perhaps flow through wherein be transient flow basically, but be not limited to this.Be suitable for avoiding or do not promote the forced air heater 50 of the mode work of turbulent air flow basically can comprise diffuser 400 or viscous flow accessory 430 or both, to improve windage.Be suitable for avoiding or basically do not promote the forced air heater 50 of the mode work of turbulent air flow can comprise Venturi tube 500, to promote the mixing of air 200 and fuel 220.Be suitable for avoiding or basically do not promote the forced air heater 50 of the mode work of turbulent air flow can not comprise the dividing plate 300 of sealing basically.Be suitable for avoiding or basically do not promote the forced air heater 50 of the mode work of turbulent air flow can comprise such air mobile device 160, it is suitable for using the energy of relatively small amount, and still is suitable for producing being substantially similar to and is suitable for promoting the output gas flow speed of other similar forced air heaters 50 of the mode work of turbulent air flow basically.
Although the above has described efficient forced air heater in conjunction with some embodiment, but should be appreciated that and to use other embodiment, or described embodiment is out of shape and increases, carrying out the identical function of efficient forced air heater, and do not break away from the present invention.In addition, efficiently forced air heater can comprise the disclosed embodiments, rather than with strict detailed description.In addition, all not necessarily, various embodiment can make up to provide required feature to all disclosed embodiment in replacement scheme.Those of ordinary skills can make distortion in the situation that do not break away from the spirit and scope of efficient forced air heater.Therefore, forced air heater should not be limited to any single embodiment efficiently, and should make an explanation according to width and the scope of appending claims narration.
Claims (20)
1. forced air heater comprises:
Shell, it limits pipeline, and described pipeline is suitable for flow therefrom to be passed through;
Described heater is suitable for providing by the laminar flow basically of described pipeline or the flow of transient flow.
2. forced air heater as claimed in claim 1, wherein said flow comprises air, fuel, combustion product or their some combinations.
3. forced air heater as claimed in claim 2, wherein said flow have the speed that surpasses 0.2 meter per second.
4. forced air heater as claimed in claim 3, wherein said flow have the speed that surpasses 0.4 meter per second.
5. forced air heater as claimed in claim 1, wherein said flow is laminar flow basically.
6. forced air heater as claimed in claim 5, wherein said flow comprises air, fuel, combustion product or their some combinations.
7. forced air heater as claimed in claim 6, wherein said flow have the speed that surpasses 0.2 meter per second.
8. forced air heater as claimed in claim 7, wherein said flow have the speed that surpasses 0.4 meter per second.
9. forced air heater comprises:
Shell, it limits pipeline, and described pipeline is suitable for flow therefrom to be passed through;
Described heater is suitable for providing the flow by described pipeline, and wherein said flow has the Reynolds number less than 4000.
10. forced air heater as claimed in claim 9, wherein said flow comprises air, fuel, combustion product or their some combinations.
11. forced air heater as claimed in claim 10, wherein said flow surpasses 0.002 Kilograms Per Second.
12. forced air heater as claimed in claim 11, wherein said flow surpasses 0.005 Kilograms Per Second.
13. forced air heater as claimed in claim 9, wherein said flow has the Reynolds number less than 2300.
14. forced air heater as claimed in claim 13, wherein said flow comprise air, fuel, combustion product or their some combinations.
15. forced air heater as claimed in claim 14, wherein said flow surpasses 0.002 Kilograms Per Second.
16. forced air heater as claimed in claim 11, wherein said flow surpasses 0.005 Kilograms Per Second.
17. a forced air heater comprises:
Shell, it limits the elongated interior zone,
Described elongated interior zone has the relative roughness less than 0.05,
Described elongated interior zone has first end and the second end,
Described shell comprises:
The first opening, its close first end, and be suitable for providing between environment and interior zone the fluid that therefrom passes to be communicated with,
The second opening, its close second end, and be suitable for providing between environment and interior zone the fluid that therefrom passes to be communicated with,
The air mobile device, it is suitable for producing the air-flow that enters described the first opening and the flow that flows out described the second opening; And
Wherein, described heater is applicable to produce the flow that launches fully that therefrom passes through, and does not produce the sound over 60dB.
18. forced air heater as claimed in claim 17, wherein said heater are applicable to produce the air-flow that launches fully that therefrom passes through, and do not produce the sound over 45dB.
19. forced air heater as claimed in claim 18, wherein said heater are applicable to produce the air-flow that launches fully that therefrom passes through, and do not produce the sound over 30dB.
20. a forced air heater comprises:
Shell, it limits the elongated interior zone,
Described elongated interior zone has the relative roughness less than 0.05,
Described elongated interior zone has first end and the second end,
Described shell comprises:
The first opening, its close first end, and be suitable for providing between environment and interior zone the fluid that therefrom passes to be communicated with,
The second opening, it is suitable for providing between environment and interior zone the fluid that therefrom passes to be communicated with near the second end, and has the area less than 0.008 square metre;
The air mobile device, it is suitable for producing the air-flow that enters described the first opening and the flow that flows out described the second opening, and described flow surpasses 0.005 Kilograms Per Second; And
Wherein, described heater is applicable to produce the fully developed flow that therefrom flows out that has less than 4000 Reynolds number; And
Wherein, described heater is applicable to produce the fully developed flow that therefrom flows out, and does not produce the sound over 60db.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35495410P | 2010-06-15 | 2010-06-15 | |
| US61/354,954 | 2010-06-15 | ||
| PCT/US2011/040286 WO2011159662A1 (en) | 2010-06-15 | 2011-06-14 | Efficient forced air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103097816A true CN103097816A (en) | 2013-05-08 |
Family
ID=45095215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800393185A Pending CN103097816A (en) | 2010-06-15 | 2011-06-14 | Efficient forced air heater |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20110303211A1 (en) |
| EP (1) | EP2583029A4 (en) |
| CN (1) | CN103097816A (en) |
| CA (1) | CA2802805A1 (en) |
| WO (1) | WO2011159662A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235477A (en) * | 2018-03-14 | 2018-06-29 | 宁波萨科森工业科技有限公司 | A kind of bayonet heater |
| USD963817S1 (en) | 2020-12-14 | 2022-09-13 | Milwaukee Electric Tool Corporation | Portable heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998142A (en) * | 1975-07-03 | 1976-12-21 | Sterilaire Medical, Inc. | Air circulating system for ultra clean areas |
| US6152128A (en) * | 1999-09-14 | 2000-11-28 | Desa International | Easily-assembled portable forced-air heater with reduced number of components |
| US20090241942A1 (en) * | 2008-03-27 | 2009-10-01 | Schwank Ltd. | Radiant tube heater and burner assembly for use therein |
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| US3429300A (en) * | 1967-04-12 | 1969-02-25 | Carl H Eisentrout | Industrial furnace burner |
| US4064203A (en) * | 1976-09-16 | 1977-12-20 | Western Magnum Corporation | Air-circulating device with air freshener, humidifier, and/or deodorizer |
| US5914200A (en) * | 1993-06-14 | 1999-06-22 | Siemens Aktiengesellschaft | High-temperature fuel cell stack arrangement with centrally located exit air space |
| EP0990854B1 (en) * | 1998-09-29 | 2004-06-16 | Sanyo Electric Co., Ltd. | Heater with slanting rectifying louvers |
| WO2001084886A1 (en) * | 2000-05-02 | 2001-11-08 | Ibiden Co., Ltd. | Ceramic heater |
| US6357396B1 (en) * | 2000-06-15 | 2002-03-19 | Aqua-Chem, Inc. | Plate type heat exchanger for exhaust gas heat recovery |
| US6606801B2 (en) * | 2000-06-28 | 2003-08-19 | The Procter & Gamble Company | System and process for drying a shoe |
| KR100700965B1 (en) * | 2000-07-07 | 2007-03-28 | 댄포스 아/에스 | A ventilating device, a building comprising such a ventilating device and a control system for controlling of the ventilating device, method for controlling operation ventilating device, mounting member, temperature change system and method for regulating speed of heat transfer |
| JP5300725B2 (en) * | 2006-09-18 | 2013-09-25 | ストーム ディヴェロップメント エルエルシー | Radiant heat transfer system |
| CA2595752C (en) * | 2007-01-26 | 2014-07-22 | Schwank Ltd. | Radiant tube heater |
-
2011
- 2011-06-14 WO PCT/US2011/040286 patent/WO2011159662A1/en active Application Filing
- 2011-06-14 US US13/159,700 patent/US20110303211A1/en not_active Abandoned
- 2011-06-14 EP EP11796278.7A patent/EP2583029A4/en not_active Withdrawn
- 2011-06-14 CA CA2802805A patent/CA2802805A1/en not_active Abandoned
- 2011-06-14 CN CN2011800393185A patent/CN103097816A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998142A (en) * | 1975-07-03 | 1976-12-21 | Sterilaire Medical, Inc. | Air circulating system for ultra clean areas |
| US6152128A (en) * | 1999-09-14 | 2000-11-28 | Desa International | Easily-assembled portable forced-air heater with reduced number of components |
| US20090241942A1 (en) * | 2008-03-27 | 2009-10-01 | Schwank Ltd. | Radiant tube heater and burner assembly for use therein |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2583029A1 (en) | 2013-04-24 |
| CA2802805A1 (en) | 2011-12-22 |
| EP2583029A4 (en) | 2013-11-20 |
| WO2011159662A1 (en) | 2011-12-22 |
| US20110303211A1 (en) | 2011-12-15 |
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Application publication date: 20130508 |