CN107420870A - A kind of steam generator - Google Patents
A kind of steam generator Download PDFInfo
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- CN107420870A CN107420870A CN201710635587.7A CN201710635587A CN107420870A CN 107420870 A CN107420870 A CN 107420870A CN 201710635587 A CN201710635587 A CN 201710635587A CN 107420870 A CN107420870 A CN 107420870A
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- electric heating
- heating tube
- steam generator
- casing
- steam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
Abstract
The invention provides a kind of steam generator, the steam generator includes casing, electric heating tube, cold water inlet and steam (vapor) outlet, the cold water inlet is arranged in the side wall of casing, described casing top sets exhaust outlet, the electric heating tube is arranged in casing, the electric heating tube includes outer tube and the electric heater being arranged in outer tube, the electric heating tube is set for vertical direction, the electric heating tube bottom sets intake tunnel, ensureing the water of casing can be heated into electric heating tube, the top connection steam (vapor) outlet of electric heating tube.The present invention devises the steam generator of Novel structure, generation steam that can be rapidly and efficiently, and the steam generator has that heating is rapid, uniformity of temperature profile, safe and reliable function, improves the efficiency of heating surface.
Description
Technical field
The present invention relates to boiler technology field, more particularly to a kind of steam generator of Novel structure.
Background technology
Steam generator is the plant equipment for water being heated as using the heat energy of fuel or other energy steam.Steam is sent out
Raw device application field is extensive, is widely used in clothing factory, drycleaner's, restaurant, steamed bun shop, dining room, dining room, factories and miness, Bean Products Factory etc.
Place.
Current steam generator uses combustion gas or fuel Heating more, and the efficiency of heating surface is low, and the electricity used at present
Hot steam generator, it is to be arranged on using electrothermal tube to the bottom of storage tank mostly, directly heats and produce to the water in storage tank
Steam.This electric heating steam generator, the problem of heating is slow, and the thermal efficiency is low be present.
Such as Chinese patent literature CN2071061U discloses a kind of for beauty, the steam generating appliances of health care effect, bag
Include metal electrode board and made of heat resistant plastice housing, go out vapour cover plate, interior panelling, flexible handle, metal electrode board is necessary
Switch on power through power line, there are internal baffles in housing, it is suitable for reading to have vapour cover plate, there is socket groove to be inserted with band outside housing bottom
The flexible handle of mouth is connected.For another example a kind of improved electric-heating steam occurs disclosed in Chinese patent literature CN2651594Y
Device, for producing steam, including body cavity and electric heater, electric heater are placed in body cavity, are provided with body cavity
Dividing plate is separated cavity is upper and lower, and upper cavity is vapor cavity, and lower chamber is heating water cavity, and dividing plate is provided with steaming hole;Dividing plate
There are 2-6 layers, form transition chamber between dividing plate, the steaming hole dislocation arrangement on adjacent dividing plate.Electric heater will be heated in water cavity
Water is heated, and steam is entered standby in vapor cavity by dividing plate and its transition chamber of formation.Disclosed in above-mentioned two patent document
Electric heating steam generator, belong to such product.
The content of the invention
The present invention is directed to deficiency of the prior art, there is provided a kind of Novel structure Multifunctional steam generator, can be quick
Steam is provided, and the steam generator improves heating with rapid, uniformity of temperature profile, safe and reliable function is heated
Efficiency.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of steam generator, the steam generator includes casing, electric heating tube, cold water inlet and steam (vapor) outlet, described cold
Water inlet is arranged in the side wall of casing, and described casing top sets exhaust outlet, and the electric heating tube is arranged in casing, institute
Stating electric heating tube includes outer tube and the electric heater being arranged in outer tube, and the electric heating tube is set for vertical direction, the electricity
Heating tube bottom sets intake tunnel, and ensureing the water of casing can be heated into electric heating tube, and the top of electric heating tube connects
Connect steam (vapor) outlet.
Preferably, described steam (vapor) outlet and the outer tube of electric heating tube are to be tightly connected.
Preferably, the external diameter of steam (vapor) outlet pipeline is less than the external diameter of the outer tube of electric heating tube.
Preferably, the cross section of described casing is circular, the cross section of the electric heating tube is circular.
Preferably, the electric heating tube is arranged on the centre position of casing.
Preferably, the external diameter of the outer tube of the electric heating tube is 0.3-0.45 times of the internal diameter of casing.
Preferably, intake tunnel is strip slot.
Preferably, the intake tunnel is arranged on less than the 50% of casing water level.
Preferably, the centrally disposed center electrically heated rod axially of the electric heating tube and along center
Electrically heated rod sets more from radial direction electrically heated rod to the more radial direction electrically heated rods radially extended on the radial direction electrically heated rod
The triangle fin to stretch out.
Preferably, described triangle fin is right angled triangle fin, the short side at right angle is formed positioned at radially
On bar, long side stretches out from radial bars;Multiple triangle fin are set on each radial direction electrically heated rod, described multiple three
Angle radiator piece is similar figures;
The relative acute angle of the short side at the right angle is M, and the length of side of the long side at right angle is L, adjacent on same radial direction electrically heated rod
The adjacent distance of triangle fin is S, then meets following require:
tan(M)=a*tan(S/L)3-b*(S/L)2+ c* (S/L)-d, wherein tan is trigonometric function, and a, b, c, d are parameters;
61.0<a<61.5,
60.0<b<60.5,
21<c<22,
2.2<d<2.3,4<M<35 °, preferably 8<M<25°
0.18< S/L <0.38。
The invention has the advantages that:
1)The present invention devises a kind of steam generator of Novel structure, can by a device by such a structure
Quick offer steam is realized, and the steam generator carries with rapid, uniformity of temperature profile, safe and reliable function is heated
The high efficiency of heating surface.
2)The present invention is by setting the perforate of electric heating tube bottom along the distribution density in short transverse, area and more
The setting of the spacing change of rows of openings, further increases the efficiency of heating surface, improves the security performance of steam generator.
3) present invention devises new-type vertical tubular electric heating tube, and electric heating tube top directly connects steam (vapor) outlet,
By such a mechanism, the efficiency of heating surface can be further improved.
4)The present invention devises change of the electrical heating efficiency along short transverse, can further improve the security of device
Energy and heating properties.
5)The present invention devises the electric heating tube of new-type interior heat radiating fin structure, passes through the triangle of Novel structure electric heating tube
Fin, the disturbance of heating surface (area) (HS and fluid is added, improves heating effect.
6)The present invention passes through numerical simulation and many experiments, it is determined that the optimal relation of interior fin, further improves
Heating effect, also provides an optimal reference frame for being related to for electric heating tube of such a structure.
Brief description of the drawings:
Fig. 1 is the steam generator preferred structure schematic diagram that the present invention produces hot water and steam.
Fig. 2 is the steam generator preferred structure schematic diagram for only producing steam of the present invention.
Fig. 3 is electric heating tube Structure of cross section schematic diagram.
Fig. 4 is heat sink sizes schematic diagram in electric heating tube.
Fig. 5 is electric heating tube longitudinal direction section schematic diagram.
In figure:1- casings;2- electric heating tubes;3- cold water inlets;4- hot water outlets;5- steam (vapor) outlets;6- exhaust outlets;
21- outer tubes;22- radial direction electrically heated rods;23- triangle fin;24- centers electrically heated rod;25- perforates.
Embodiment
Fig. 1-5 illustrates a kind of steam generator.As shown in figure 1, the steam generator includes casing 1, electric heating tube
2nd, cold water inlet 3, hot water outlet 4 and steam (vapor) outlet 5, the cold water inlet 3 are arranged on the bottom of casing 1, and the hot water goes out 4 mouthfuls
Positioned at the top of the body of case 1.The electric heating tube 2 is arranged in casing, and the electric heating tube 2 is set for vertical direction(Perpendicular to
Water tank bottom plane is set), electric heating tube 2 includes outer tube 21 and the electric heater that is arranged in outer tube 21, the electric heating tube 2
Bottom sets intake tunnel, ensures the water of casing 1 and can be heated into electric heating tube 2, and the top connection of electric heating tube 2 is steamed
Vapor outlet 5.
Preferably, the outer tube of the described pipeline of steam (vapor) outlet 5 and electric heating tube 2 is to be tightly connected.
Preferably, the external diameter of the pipeline of steam (vapor) outlet 5 is less than the external diameter of the outer tube of electric heating tube 2.It can so ensure to steam
The vapour velocity of discharge.
Cold water enters casing by cold water inlet 3.When being operated, electric heating tube 2 is arranged in casing 1, in casing 1
Water enters electric heating tube 2 by the perforate 25 on outer tube 21, is then heated in electric heating tube 2, caused steaming after heating
Vapour is discharged by steam (vapor) outlet 5.Meanwhile electric heating tube is while steam is produced, while the water in heating compartment, produced after heating
Raw hot water can be utilized by hot water outlet.
By above-mentioned structure setting, steam and hot water can be produced simultaneously so that steam generator has multiple functions,
Its scope utilized has been expanded, and caused steam is directly discharged by the steam (vapor) outlet being connected with electric heating tube, because being
Water outside electric heating tube is heated by outer tube 21, thus outside water will not explosive evaporation, also ensure that the safety of heating
Property.
The present invention is set by electric heating tube 2 for vertical direction, in the vertical direction can be caused to heat water so that water exists
Continuous heating in uphill process, relative to horizontally arranged electric heating tube, further increase the efficiency of heating surface.
As an improvement, hot water outlet 4 can be removed, such as shown in Fig. 2 only using steam generator as one
Produce the simple function evaporator of steam.
Preferably, the described top of casing 1 sets exhaust outlet 6.By setting exhaust outlet 6, the internal pressure of casing 1 is avoided
It is excessive, it is ensured that safety.
Preferably, the cross section of described casing is circular.
Preferably, the cross section of the electric heating tube 2 is circular.
Preferably, the electric heating tube 2 is arranged on the centre position of casing.By being arranged such, ensure hot water heating
Uniformity.
Preferably, the external diameter of the outer tube 21 of the electric heating tube 2 is 0.3-0.45 times of the internal diameter of casing 1.Further
Preferably 0.35-0.40 times.
Preferably, intake tunnel is strip slot.
Preferably, intake tunnel is perforate 25.As shown in Figure 5.It should be noted that be only schematic diagram in Fig. 5, though
1 or a rows of openings 25 of setting are only shown in right Fig. 5 between adjacent electrically heated rod 22, is actually not only limited to
In one or a row, can be set on the upper-lower position between adjacent electrically heated rod 22 multiple or multiple rows of.
Preferably, the shape of perforate 25 can be circular or square.
Preferably, the perforate 25 is arranged on less than the 50% of the water level of casing 1.By being arranged such, water energy can be ensured
It is enough to be timely internally heated into electric heating tube 2, while also avoiding perforate 25 from setting too high causes steam excessive from perforate 25
Go out, avoid pressure in whole casing excessive, while also avoided the water of eminence from entering in electric heating tube, cause caused steam to take
The moisture of band is too many.
Preferably, along short transverse(That is direction from the bottom up, appear below along short transverse, if do not had
Specified otherwise, all referring to direction from the bottom up), the perforate 25 is arranged to multiple rows of.
It is multiple rows of by setting, it is ensured that different height and position water inlets, to avoid an independent position from intaking, cause to heat
It is uneven, while the water avoided enter into is evaporated, and causes to dry up in heating tube.
It is preferably, less and less along short transverse, the distribution density of the perforate 25.The density that perforate 25 is distributed is got over
It is next smaller, that is, mean the fewer and fewer of perforate distribution, the area of perforate is also just less and less.
By substantial amounts of numerical simulation and its experimental studies have found that, by setting perforate distribution density less and less, mainly
Reason is to ensure that most of water heats in bottom, constantly has water to enter electric heating tube 2 in water becomes steam uphill process, holds
Continuous heating.If bottom water inlet is few, bottom water fast vaporizing may be caused, causes in electric heating tube 2 that pressure is excessive, is caused
The water in portion is also because pressure considerations cannot be introduced into electric heating tube.Reduce the dry of electric heating tube, while improve the efficiency of heating surface.
Further preferably, along short transverse, the amplitude that the distribution density of the perforate 25 is less and less constantly increases.
By substantial amounts of experiment and numerical simulation, by the change of above-mentioned perforate distribution density, can further improve
The efficiency of heating surface, the output efficiency of steam is improved, while can reduced dry in electric heating tube.
It is preferably, less and less along short transverse, the area of single perforate 25.Further preferably, along height side
To the amplitude that the area of single perforate 25 is less and less constantly increases.Specific reason referring to the distribution density of perforate 25 change.
It is preferably, less and less along short transverse, the area sum per rows of openings 25.Preferably, along
Short transverse, the less and less amplitude of the area sum per rows of openings 25 are continuously increased.Specific reason is divided referring to perforate 25
The change of cloth density.
Preferably, along short transverse, it is described per rows of openings 25 between spacing it is increasing.Preferably, along
Short transverse, the amplitude increasing per the spacing between rows of openings 25 are continuously increased.Specific reason is divided referring to perforate 25
The change of cloth density.
Preferably, the centrally disposed center electrically heated rod 24 axially of electric heating tube 2.
Preferably, along short transverse, the heating power of the unit length of electrically heated rod 24 is constantly reduced.By setting
The heating power for putting electrically heated rod 24 is constantly reduced, and ensures that the fluid of bottom quickly heats, then hot fluid passes through naturally right
Top is flowed to, the fluid outside the fluid on top and the electric heating tube 2 of its underpart rapidly enters, and can further improve heating
Efficiency.By substantial amounts of experiment and numerical simulation, by the change of above-mentioned electric heater for heating power, can further improve
10% or so the efficiency of heating surface, save the heat time.
Preferably, along short transverse, the amplitude of the continuous reduction of heating power of the unit length of electrically heated rod 24
Constantly increase.
, can by the change of the above-mentioned heating power amplitude of electrically heated rod 24 by substantial amounts of experiment and numerical simulation
5% efficiency of heating surface is further improved, further saves the heat time.
Preferably, electrically heated rod 24 divides for multistage, along short transverse, the heating power of the unit length of different sections is not
Together.Wherein constantly reduced along short transverse, the heating power of the unit length of different sections.Further preferably, reduction
Amplitude constantly increases.
Preferably, every section of length is identical.
Preferably, the heating power of every section of unit length is identical.
Specific reason is as above.
It is segmented by setting, can be with further such that being simple to manufacture conveniently.
The electric heating tube 2 is along center electrically heated rod 24 to the more radial direction electrically heated rods 22 radially extended, the footpath
The more triangle fin 23 to stretch out from radial direction electrically heated rod 22 are set on to electrically heated rod 22.
The present invention is dissipated by the triangle for setting radial direction electrically heated rod 22 and stretching out along radial direction electrically heated rod 22
Backing 23, the efficiency of heating surface can be further improved, while increase heating surface (area) (HS, improve heating effect, and because triangle is set
Shape fin, pass through the triangular tip of the similar acicular texture of triangle fin so that caused vapor bubbles are rising
During, it can further increase flow-disturbing, cut bubble so that air pocket turns to smaller bubble, further promotes vapour-liquid
Fusion, the heat exchange of vapour-liquid is promoted so that fluid is sufficiently mixed, improves heating effect.
Further preferably, radial direction electrically heated rod cross section is rectangle, is preferably square.
Further preferably, radial direction electrically heated rod cross section is circle.
Preferably, 0.3-0.5 times of electrically heated rod centered on the heating power of radial direction electrically heated rod in unit length,
Preferably 0.4 times.
Preferably, described radial direction electrically heated rod 22 is shaft, from the center of circle along radially extending to electrical heating
The inwall of pipe 21.
Preferably, multiple triangle fin 23, described multiple triangles are set on 22 on each radial direction electrically heated rod
Shape fin 23 is similar figures.Three interior angles in correspondence with each other of i.e. different triangle fin are identical.
Preferably, from the center of electric heating tube 21 to the inside pipe wall of electric heating tube 21, the length of side of triangle fin 23
Or area is less and less.
Preferably, the both sides distribution triangle fin 23 of radial direction electrically heated rod 22, triangle fin 23 is along radially
The center line of electrically heated rod 22 is symmetrical.
Preferably, the distance between adjacent triangle fin 23 of radial direction electrically heated rod 22 keeps constant.
Preferably, from the center of electric heating tube 21 to radial direction, the radiating of the adjacent triangle of radial direction electrically heated rod 22
Spacing between piece 23 constantly increases.
Constantly increased by the spacing between the adjacent triangle fin 23 of radial direction electrically heated rod 22, can caused outer
Fluid stream momentum big local fluid circulation space in portion's is big, can further reduce flow resistance, heating effect is kept not substantially
Become.
Preferably, described triangle fin 23 is right angled triangle fin, the short side for forming right angle is located at footpath
To on electrically heated rod, long side stretches out from radial direction electrically heated rod.
Preferably, the radial direction electrically heated rod 22 is round bar, its a diameter of 0.6-1.2mm, preferably 0.8mm.
Preferably, triangle fin stretches out from the central plane of round bar.The triangle fin is flat board
Structure.The slab construction is perpendicular to center electrically heated rod 24, and slab construction extended surface passes through the center line of round bar.
Learnt by numerical analysis and experiment, adjacent triangle fin spacing can not be too big, then can greatly very much
Cause fin heat transfer area too small, augmentation of heat transfer effect is bad, but spacing can not be too small, and spacing is too small, causes in pipe
Fluid circulation space is too small, and the resistance for causing steam to be flowed in pipe 2 is too big, and similarly, the drift angle of triangle fin can not be too
Greatly, flow resistance can be also influenceed very much greatly, and greatly flow-disturbing effect can be caused bad very much, but can not be too small, too
Heating surface (area) (HS is too small if small, can also influence heating effect.Therefore the present invention is come in terms of heating effect and flow resistance two
Account for, therefore the present invention is preferentially meeting normal flow resistance by largely testing(Total pressure-bearing is below 8Mpa)
In the case of so that being optimal of heating effect, arrange the optimal relation of parameters.
The relative acute angle of the short side at the right angle is M, and the length of side of the long side at right angle is L, on same radial direction electrically heated rod 22
The adjacent distance of adjacent triangle fin is S, then meets following require:
tan(M)=a*tan(S/L)3-b*(S/L)2+ c* (S/L)-d, wherein tan is trigonometric function, and a, b, c, d are parameters;
61.0<a<61.5, preferably a=61.295,
60.0<b<60.5, preferably b=60.267,
21<c<22, preferably c=21.412,
2.2<d<2.3, preferably d=2.2734
4<M<35 °, preferably 8<M<25°
0.18< S/L <0.38,0.25R<L<0.32 R。
R is positioned at the distance at the midpoint on the side at the place of axial cooling fin 22 from the center of circle of electric heating tube 2 to right angled triangle.
Wherein adjacent distance S be the place for being located at axial cooling fin 22 with adjacent triangle fin side between
Away from;I.e. triangle fin is located at the side rear end at the place of axial cooling fin 22 and rear triangular is located at axial cooling fin
The distance between the side front end at 22 place.Referring specifically to Fig. 4 mark.
Preferably, radial direction electrically heated rod 22 is arranged to 7-9 roots, the angle formed between adjacent radial direction electrically heated rod 22
It is equal.More preferably 8.
The length of side L of the long side at right angle chooses being averaged for the length of side of the long side at two right angles of adjacent triangle fin
Value.
Further preferably, the internal diameter of electric heating tube is 25-40mm.
Preferably, electric heating tube is straight tube.
Preferably, the heating power of steam generator is 2000-4000W, preferably 2500-3500W.
Preferably, electrically heated rod 24,22 is resistance heater, grown by setting the diameter of resistance to change unit
The change of the heating power of degree.
It is preferably, increasing along the distance between short transverse, neighbouring radial direction electrically heated rod 22.Enter one
Step is preferred, and along short transverse, the increasing amplitude of the distance between adjacent radial direction electrically heated rod 22 constantly increases.
Preferably, along short transverse, the heating power of the unit length of different radial direction electrically heated rods 22 is increasingly
It is small.Further preferably, the less and less amplitude of the different unit length heating powers of radial direction electrically heated rod 22 constantly increases.
By set the heating power of electrically heated rod 22 constantly to reduce in the height direction or the distance between it is more next
It is bigger, ensure that the fluid of bottom quickly heats, then hot fluid has arrived top, the fluid on top and its underpart by free convection
Electric heating tube 2 outside fluid rapidly enter, can further improve the efficiency of heating surface.By substantial amounts of experiment and Numerical-Mode
Intend, by the change of above-mentioned electric heater for heating power, the 8-10% efficiencies of heating surface can be further improved, when saving heating
Between.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.
Claims (10)
1. a kind of steam generator, the steam generator includes casing, electric heating tube, cold water inlet and steam (vapor) outlet, described
Cold water inlet is arranged in the side wall of casing, and described casing top sets exhaust outlet, and the electric heating tube is arranged in casing,
The electric heating tube includes outer tube and the electric heater being arranged in outer tube, and the electric heating tube is set for vertical direction, described
Electric heating tube bottom sets intake tunnel, and ensureing the water of casing can be heated into electric heating tube, the top of electric heating tube
Connect steam (vapor) outlet.
2. steam generator as claimed in claim 1, it is characterised in that described steam (vapor) outlet and the outer tube of electric heating tube are
It is tightly connected.
3. steam generator as claimed in claim 1, it is characterised in that the external diameter of steam (vapor) outlet pipeline is less than electric heating tube
The external diameter of outer tube.
4. steam generator as claimed in claim 1, it is characterised in that the cross section of described casing is circular, the electricity
The cross section of heating tube is circular.
5. steam generator as claimed in claim 4, it is characterised in that the electric heating tube is arranged on the interposition of casing
Put.
6. steam generator as claimed in claim 4, it is characterised in that the external diameter of the outer tube of the electric heating tube is casing
0.3-0.45 times of internal diameter.
7. steam generator as claimed in claim 4, it is characterised in that intake tunnel is strip slot.
8. steam generator as claimed in claim 4, it is characterised in that the intake tunnel is arranged on the 50% of casing water level
Below.
9. steam generator as claimed in claim 4, it is characterised in that the centrally disposed axially side of the electric heating tube
To center electrically heated rod and along center electrically heated rod to the more radial direction electrically heated rods radially extended, the radial direction electricity plus
The more triangle fin to stretch out from radial direction electrically heated rod are set on hot pin.
10. steam generator as claimed in claim 9, it is characterised in that described triangle fin is right angled triangle
Fin, the short side for forming right angle are located in radial bars, and long side stretches out from radial bars;Set on each radial direction electrically heated rod
Multiple triangle fin, multiple triangle fin are similar figures;
The relative acute angle of the short side at the right angle is M, and the length of side of the long side at right angle is L, adjacent on same radial direction electrically heated rod
The adjacent distance of triangle fin is S, then meets following require:
tan(M)=a*tan(S/L)3-b*(S/L)2+ c* (S/L)-d, wherein tan is trigonometric function, and a, b, c, d are parameters;
61.0<a<61.5,
60.0<b<60.5,
21<c<22,
2.2<d<2.3,4<M<35 °,
0.18< S/L <0.38。
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Cited By (9)
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CN110388636A (en) * | 2019-01-24 | 2019-10-29 | 中北大学 | A kind of method of portable cloud terminal intelligent control vapor (steam) temperature |
CN110388635A (en) * | 2019-01-24 | 2019-10-29 | 中北大学 | A kind of method of portable remote control heating power |
CN110410767A (en) * | 2019-01-24 | 2019-11-05 | 中北大学 | A kind of control method of portable cloud terminal hot water flow field temperature |
CN110513667A (en) * | 2019-08-12 | 2019-11-29 | 珠海格力智能装备有限公司 | Steam generation device and method and car washer |
CN111006190A (en) * | 2019-01-16 | 2020-04-14 | 山东交通学院 | Steam generator |
CN111006189A (en) * | 2019-01-16 | 2020-04-14 | 山东交通学院 | Square outer-layer steam generator |
CN111023064A (en) * | 2019-01-16 | 2020-04-17 | 山东交通学院 | Steam generator with square channel extending to bottom |
CN111271696A (en) * | 2018-11-28 | 2020-06-12 | 山东交通学院 | Design method of steam generator with highly-variable electric heating power |
CN111271698A (en) * | 2018-11-28 | 2020-06-12 | 山东交通学院 | Design method of steam generator with variable distribution density of water inlet channel |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2218874Y (en) * | 1994-12-07 | 1996-01-31 | 支前锋 | Quick steam generator |
CN2531242Y (en) * | 2000-01-21 | 2003-01-15 | 叶声羽 | Steam generator |
CN102777877A (en) * | 2012-08-03 | 2012-11-14 | 梁首强 | Method for quickly producing water vapor and steamed furnace using same |
-
2017
- 2017-07-31 CN CN201710635587.7A patent/CN107420870B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2218874Y (en) * | 1994-12-07 | 1996-01-31 | 支前锋 | Quick steam generator |
CN2531242Y (en) * | 2000-01-21 | 2003-01-15 | 叶声羽 | Steam generator |
CN102777877A (en) * | 2012-08-03 | 2012-11-14 | 梁首强 | Method for quickly producing water vapor and steamed furnace using same |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111271696A (en) * | 2018-11-28 | 2020-06-12 | 山东交通学院 | Design method of steam generator with highly-variable electric heating power |
CN111271698A (en) * | 2018-11-28 | 2020-06-12 | 山东交通学院 | Design method of steam generator with variable distribution density of water inlet channel |
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