CN107940430B - A kind of steam generator of heating power height change - Google Patents
A kind of steam generator of heating power height change Download PDFInfo
- Publication number
- CN107940430B CN107940430B CN201710635586.2A CN201710635586A CN107940430B CN 107940430 B CN107940430 B CN 107940430B CN 201710635586 A CN201710635586 A CN 201710635586A CN 107940430 B CN107940430 B CN 107940430B
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- China
- Prior art keywords
- electric heating
- heating tube
- electrically heated
- heated rod
- steam
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- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/62—Heating elements specially adapted for furnaces
- H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
Abstract
The present invention provides a kind of steam generators of heating power height change, the steam generator includes cabinet, electric heating tube and steam (vapor) outlet, the electric heating tube is arranged in cabinet, the electric heating tube includes outer tube and the electric heater that is arranged in outer tube, the electric heating tube is vertical direction setting, and the top of electric heating tube connects steam (vapor) outlet；The center electrically heated rod of electric heating tube center setting axially, along short transverse, the heating power of the unit length of center electrically heated rod is constantly reduced.The present invention is set constantly to be reduced by the heating power that electrically heated rod is arranged, guarantee that the fluid of lower part quickly heats, then hot fluid has arrived top by free convection, and the fluid outside the fluid on top and the electric heating tube of its underpart rapidly enters, and can further increase heating efficiency.
Description
Technical field
The present invention relates to boiler technology field more particularly to a kind of steam generators of Novel structure.
Background technique
Steam generator is the mechanical equipment for water being heated as using the thermal energy of fuel or other energy steam.Steam hair
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 mostly uses combustion gas or fuel Heating, and heating efficiency is low, and currently used electric heating steams
Vapour generator is to be directly heated to the water in water tank to the bottom of storage tank using electrothermal tube setting and generate steam mostly.
There is heating slowly, the low problem of the thermal efficiency in this electric heating steam generator.
As Chinese patent literature CN2071061U disclose it is a kind of for beauty, health care the effects of steam generating appliances, packet
It includes metal electrode board and the shell made of heat resistant plastice, go out vapour cover board, interior panelling, flexible handle, metal electrode board is necessary
Power on through power supply line, there are internal baffles in shell, it is suitable for reading to have vapour cover board out, there is socket slot can be with carrying spigots outside shell bottom
Flexible handle be connected.For another example a kind of improved electric heating steam generator disclosed in Chinese patent literature CN2651594Y is used
It is placed in body cavity in generation steam, including body cavity and electric heater, electric heater, partition is equipped in body cavity will
Cavity separates above and below, and upper cavity is vapor cavity, and lower chamber is heating water cavity, and partition is equipped with steaming hole；Partition has 2-6 layers,
Transition chamber is formed between partition, the steaming hole on adjacent partition, which misplaces, to be arranged.Electric heater is heated the water in water cavity is heated, and is steamed
Vapour is entered spare in vapor cavity by the transition chamber of partition and its formation.Electric-heating steam disclosed in above-mentioned two patent document
Generator belongs to such product.
Summary of the invention
The present invention aiming at the shortcomings in the prior art, provides a kind of Novel structure Multifunctional steam generator, and the steaming
Vapour generator have the function of heating rapidly, it is uniformity of temperature profile, safe and reliable, improve heating efficiency.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of steam generator by thermal power height change, the steam generator include cabinet, electric heating tube and steaming
Vapor outlet, the electric heating tube are arranged in cabinet, and the electric heating tube includes outer tube and the electric heater that is arranged in outer tube,
The electric heating tube is vertical direction setting, and the top of electric heating tube connects steam (vapor) outlet；Electric heating tube center is arranged along axis
To the center electrically heated rod in direction, along short transverse, the heating power of the unit length of center electrically heated rod is constantly reduced.
Preferably, along short transverse, the width of the continuous reduction of the heating power of the unit length of center electrically heated rod
Degree is continuous to be increased.
Preferably, the hole shape is round or rectangular.
Preferably, exhaust outlet is arranged in the cabinet top.
Preferably, 50% or less cabinet water level is arranged in the aperture.
Preferably, the center setting center electrically heated rod axially of the electric heating tube and along center
Electrically heated rod is arranged more from radial electrically heated rod on the radial direction electrically heated rod to the more root diameters radially extended to electrically heated rod
Outwardly extending triangle cooling fin.
Preferably, the triangle cooling fin is right angled triangle cooling fin, shape short side at right angle is located at radial
On bar, long side extends outwardly from radial bars；Multiple triangle cooling fins are set on each radial direction electrically heated rod, multiple triangles dissipate
Backing is similar figures；
The opposite acute angle of the short side at the right angle is M, and the side length of the long side at right angle is L, phase on same radial direction electrically heated rod
The adjacent distance of adjacent triangle cooling 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 ginsengs
Number；
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。
Preferably, 0.25R < L < 0.32R, wherein R is to be located at axial heat dissipation from electric heating tube center of circle the to right angled triangle
The distance at the midpoint on the side at the place of piece.
The present invention has the advantage that
1) present invention is set constantly is reduced by the heating power that electrically heated rod is arranged, and guarantees that the fluid of lower part quickly adds
Heat, then hot fluid has arrived top by free convection, and the fluid outside the fluid on top and the electric heating tube of its underpart is quick
Into heating efficiency can be further increased.
2) present invention is guaranteed that most of water is heated in lower part, is become in water by the variation along short transverse hole row's spacing
At constantly thering is water to enter electric heating tube, continuous heating in steam uphill process.If lower part water inlet is few, lower part may cause
Water fast vaporizing causes electric heating overpressure excessive, causes the water on top also because pressure considerations cannot be introduced into electric heating tube.
Reduce the dry of electric heating tube, while improving heating efficiency.
3) steam generator that the present invention devises a kind of Novel structure can pass through a device by such structure
Realize steam and hot water double action, structure is simple, and heating efficiency is high.
4) present invention is by the aperture of setting electric heating tube bottom along the distribution density in short transverse, area and more
The setting of the spacing variation of rows of openings, further improves heating efficiency, improves the security performance of steam generator.
5) present invention devises new-type vertical tubular electric heating tube, and electric heating tube top is directly connected to steam (vapor) outlet,
By such mechanism, heating efficiency can be further improved.
6) present invention devises electrical heating efficiency along the variation of short transverse, can further increase the safety of device
Energy and heating properties.
7) 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
Cooling fin increases the disturbance of heating surface (area) (HS and fluid, improves heating effect.
8) present invention passes through numerical simulation and many experiments, it is determined that the optimal relationship of interior cooling fin further increases
Heating effect, is also related to providing an optimal reference frame for the electric heating tube of such structure.
Detailed description of the invention:
Fig. 1 is the steam generator preferred structure schematic diagram that the present invention generates hot water and steam.
Fig. 2 is the steam generator preferred structure schematic diagram for only generating steam of the 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- cabinet；2- electric heating tube；3- cold water inlet；4- hot water outlet；5- steam (vapor) outlet；6- exhaust outlet；21-
Outer tube；22- radial direction electrically heated rod；23- triangle cooling fin；The center 24- electrically heated rod；25- aperture
Specific embodiment
Fig. 1-5 illustrates a kind of steam generator.As shown in Figure 1, the steam generator includes cabinet 1, electric heating tube
2, the lower part of cabinet 1 is arranged in cold water inlet 3, hot water outlet 4 and steam (vapor) outlet 5, the cold water inlet 3, and the hot water goes out 4 mouthfuls
Positioned at the top of 1 body of case.The electric heating tube 2 is arranged in cabinet, the electric heating tube 2 be vertical direction setting (perpendicular to
The setting of water tank bottom plane), electric heating tube 2 includes outer tube 21 and the electric heater being arranged in outer tube 21, the electric heating tube 2
Intake tunnel is arranged in lower part, guarantees that the water of cabinet 1 is able to enter electric heating tube 2 and is heated, and the top of electric heating tube 2, which connects, steams
Vapor outlet 5.
Preferably, the outer tube of 5 pipeline of steam (vapor) outlet and electric heating tube 2 is to be tightly connected.
Preferably, the outer diameter of 5 pipeline of steam (vapor) outlet is less than the outer diameter of the outer tube of electric heating tube 2.It can guarantee to steam in this way
The vapour velocity of discharge.
Cold water enters cabinet by cold water inlet 3.When being worked, electric heating tube 2 is arranged in cabinet 1, in cabinet 1
Water enters electric heating tube 2 by the aperture 25 on outer tube 21, is then heated in electric heating tube 2, the steaming generated after heating
Vapour is discharged by steam (vapor) outlet 5.Meanwhile electric heating tube is while generating steam, while the intracorporal water of heater box, produces after heating
Raw hot water can be utilized by hot water outlet.
By above-mentioned structure setting, steam and hot water can be generated simultaneously, so that function there are many steam generating appliances,
Its range utilized is expanded, and the steam generated is directly discharged by the steam (vapor) outlet connecting with electric heating tube, because being
Heat the water outside electric heating tube by outer tube 21, thus external water will not explosive evaporation, also ensure the safety of heating
Property.
The present invention is vertical direction setting by electric heating tube 2, can to heat water in the vertical direction, so that water exists
Continuous heating in uphill process, the electric heating tube being arranged relative to horizontal direction, further improves heating efficiency.
It is improved as one, hot water outlet 4 can be removed, such as shown in Fig. 2, only using steam generator as one
Generate the simple function evaporator of steam.
Preferably, exhaust outlet 6 is arranged in 1 top of cabinet.By the way that exhaust outlet 6 is arranged, 1 internal pressure of cabinet is avoided
It is excessive, it is ensured that safety.
Preferably, the cross section of the cabinet is round.
Preferably, the cross section of the electric heating tube 2 is round.
Preferably, the middle position of cabinet is arranged in the electric heating tube 2.By so set, guaranteeing hot water heating
Uniformity.Preferably, the outer diameter of the outer tube 21 of the electric heating tube 2 is 0.3-0.45 times of the internal diameter of cabinet 1.Further
Preferably 0.35-0.40 times.
Preferably, intake tunnel is strip slot.
Preferably, intake tunnel is aperture 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 for only showing setting in right Fig. 5 between adjacent electrically heated rod 22, actually not only limit to
In one perhaps a row can be arranged on the upper and lower position between adjacent electrically heated rod 22 it is multiple or multiple rows of.
Preferably, 25 shape of aperture can be circle or rectangular.
Preferably, 50% or less 1 water level of cabinet is arranged in the aperture 25.By so set, can guarantee water
It can be timely internally heated into electric heating tube 2, while also avoiding aperture 25 from being arranged excessively high causes steam from aperture 25
It overflows, avoids pressure in entire cabinet excessive, while the water of eminence also being avoided to enter in electric heating tube, cause the steam generated
The moisture of carrying is too many.
Preferably, along short transverse (i.e. direction from the bottom up, appear below along short transverse, if do not had
Specified otherwise all refers to direction from the bottom up), the aperture 25 is set as multiple rows of.
It is multiple rows of by being arranged, it is ensured that different height and position water inlets avoids an independent position from intaking, causes to heat
It is uneven, while the water avoided enter into is evaporated, and causes to dry up in heating tube.
Preferably, the distribution density of the aperture 25 is smaller and smaller along short transverse.The density that aperture 25 is distributed is got over
It is next smaller, that is, mean the fewer and fewer of aperture distribution, the area of aperture is also just smaller and smaller.
By a large amount of numerical simulation and its experimental studies have found that, by setting aperture distribution density it is smaller and smaller, mainly
The reason is that guaranteeing that most of water is heated in lower part, becomes constantly there is water to enter electric heating tube 2 in steam uphill process in water, hold
Continuous heating.If lower part water inlet is few, lower part water fast vaporizing may cause, cause in electric heating tube 2 that pressure is excessive, cause
The water in portion is also because pressure considerations cannot be introduced into electric heating tube.Reduce the dry of electric heating tube, while improving heating efficiency.
Further preferably, along short transverse, the amplitude that the distribution density of the aperture 25 is smaller and smaller constantly increases.
By largely testing and numerical simulation is by the variation of above-mentioned aperture distribution density to further increase
Heating efficiency improves the output efficiency of steam, while can reduce dry in electric heating tube.
Preferably, the area of single aperture 25 is smaller and smaller along short transverse.Further preferably, along height side
To, the amplitude that the area of single aperture 25 is smaller and smaller constantly increases.Specific reason referring to 25 distribution density of aperture change
Change.
Preferably, the sum of area of every rows of openings 25 is smaller and smaller along short transverse.Preferably, along
Short transverse, the smaller and smaller amplitude of the sum of area of every rows of openings 25 are continuously increased.Specific reason is divided referring to aperture 25
The variation of cloth density.
Preferably, the spacing between every rows of openings 25 is increasing along short transverse.Preferably, along
Short transverse, the increasing amplitude of spacing between every rows of openings 25 are continuously increased.Specific reason is divided referring to aperture 25
The variation of cloth density.
Preferably, the center electrically heated rod 24 of 2 center of electric heating tube setting axially.
Preferably, the heating power of the unit length of electrically heated rod 24 is constantly reduced along short transverse.By setting
The heating power for setting electrically heated rod 24 is constantly reduced, and guarantees that the fluid of lower part quickly heats, and then hot fluid passes through nature pair
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 increase heating
Efficiency.By largely testing and numerical simulation is by the variation of above-mentioned electric heater for heating power to further increase
10% or so heating efficiency saves heating time.
Preferably, along short transverse, the amplitude of the continuous reduction of the heating power of the unit length of electrically heated rod 24
It is continuous to increase.
By largely testing and numerical simulation can by the variation of above-mentioned 24 heating power amplitude of electrically heated rod
5% heating efficiency is further increased, further saves heating 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 along short transverse, the heating power of the unit length of different sections is constantly reduced.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, it can be further such that being simple to manufacture conveniently.
The electric heating tube 2 is along center electrically heated rod 24 to the more root diameters radially extended to electrically heated rod 22, the diameter
More are arranged on electrically heated rod 22 from the outwardly extending triangle cooling fin 23 of radial electrically heated rod 22.
The present invention is by being arranged radial electrically heated rod 22 and dissipating along the outwardly extending triangle of radial electrically heated rod 22
Backing 23 can be further improved heating efficiency, while increase heating surface (area) (HS, improve heating effect, and because setting triangle
Shape cooling fin, by the triangular tip of the similar acicular texture of triangle cooling fin, so that the vapor bubbles generated are rising
In the process, flow-disturbing can be further increased, bubble is cut, so that air pocket turns to smaller bubble, further promotes vapour-liquid
Fusion, the heat exchange for promoting vapour-liquid are sufficiently mixed fluid, improve heating effect.
Further preferably, radial electrically heated rod cross section is rectangle, is preferably square.
Further preferably, radial electrically heated rod cross section is circle.
Preferably, the heating power of the radial electrically heated rod in unit length is 0.3-0.5 times of center electrically heated rod,
Preferably 0.4 times.
Preferably, the radial electrically heated rod 22 is shaft, electric heating is extended to from the center of circle along radial
The inner wall of pipe 21.
Preferably, multiple triangle cooling fins 23, multiple triangles are arranged on 22 on each radial direction electrically heated rod
Shape cooling fin 23 is similar figures.Three interior angles in correspondence with each other of i.e. different triangle cooling fins are identical.
Preferably, from the center of electric heating tube 21 to the inside pipe wall of electric heating tube 21, the side length of triangle cooling fin 23
Or area is smaller and smaller.
Preferably, 22 two sides distribution triangle cooling fin 23 of radial electrically heated rod, triangle cooling fin 23 is along radial direction
The center line of electrically heated rod 22 is symmetrical.
Preferably, adjacent the distance between the triangle cooling fin 23 of radial electrically heated rod 22 remains unchanged.
Preferably, from the center of electric heating tube 21 to radial direction, adjacent 22 triangle of radial electrically heated rod radiates
Spacing between piece 23 constantly increases.
Constantly increased by the spacing between adjacent 22 triangle cooling fin 23 of radial electrically heated rod, can be made outer
Fluid amount of flow big local fluid circulation space in portion's is big, can further decrease flow resistance, heating effect is kept not substantially
Become.
Preferably, the triangle cooling fin 23 is right angled triangle cooling fin, shape short side at right angle is located at diameter
To on electrically heated rod, long side extends outwardly from radial electrically heated rod.
Preferably, the radial direction electrically heated rod 22 is round bar, a diameter of 0.6-1.2mm, preferably 0.8mm.
Preferably, triangle cooling fin extends outwardly from the central plane of round bar.The triangle cooling fin is plate
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.
It is learnt by numerical analysis and experiment, adjacent triangle cooling fin spacing cannot be too big, then can greatly very much
Cause cooling 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 flow in pipe 2 is too big, and similarly, the apex angle of triangle cooling fin cannot be too
Greatly, also will affect flow resistance if too big, and it is too big if to will lead to flow-disturbing effect bad, but can not be too small, too
Heating surface (area) (HS is too small if small, also will affect heating effect.Therefore the present invention is come in terms of heating effect and flow resistance two
It accounts for, therefore the present invention is through a large number of experiments, is preferentially meeting normal flow resistance (total pressure-bearing is 8Mpa or less)
In the case where, so that being optimal of heating effect, has arranged the optimal relationship of parameters.
The opposite acute angle of the short side at the right angle is M, and the side length of the long side at right angle is L, on same radial direction electrically heated rod 22
The adjacent distance of adjacent triangle cooling 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 ginsengs
Number；
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<0.32R。
R is the distance for being located at the midpoint on the side at place of axial cooling fin 22 from 2 center of circle of electric heating tube to right angled triangle.
Wherein adjacent distance S is between being located between the side at the place of axial cooling fin 22 with adjacent triangle cooling fin
Away from；I.e. triangle cooling fin be located at the place of axial cooling fin 22 side rear end and rear triangular be located at axial cooling fin 22
The distance between the side front end at place.Referring specifically to the mark of Fig. 4.
Preferably, radial electrically heated rod 22 is set as 7-9 root, the angle formed between adjacent radial electrically heated rod 22
It is equal.Further preferably 8.
The side length L of the long side at right angle chooses being averaged for the side length of the long side at two right angles of adjacent triangle cooling 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, it is long to change unit by the diameter that resistance is arranged
The variation of the heating power of degree.
Preferably, the distance between neighbouring radial electrically heated rod 22 is increasing along short transverse.Into one
Preferably, along short transverse, the increasing amplitude of the distance between adjacent radial electrically heated rod 22 constantly increases step.
Preferably, the heating power of the unit length of different radial electrically heated rods 22 is increasingly along short transverse
It is small.Further preferably, the smaller and smaller amplitude of different 22 unit length heating powers of radial electrically heated rod constantly increases.
By be arranged electrically heated rod 22 heating power in the height direction constantly reduce or the distance between it is more next
It is bigger, guarantee that the fluid of lower part 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, heating efficiency can be further increased.By largely testing and Numerical-Mode
It is quasi-, by the variation of above-mentioned electric heater for heating power, 8-10% heating efficiency can be further increased, when saving heating
Between.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel can make various changes or modifications, therefore protection scope of the present invention is answered without departing from the spirit and scope of the present invention
When being defined by the scope defined by the claims..
Claims (5)
1. a kind of steam generator of heating power height change, the steam generator include cabinet, electric heating tube and steam
Outlet, the electric heating tube are arranged in cabinet, and the electric heating tube includes outer tube and the electric heater that is arranged in outer tube, case
Intracorporal water enters electric heating tube by the aperture on outer tube；The electric heating tube be vertical direction setting, electric heating tube it is upper
Portion connects steam (vapor) outlet；Electric heater is the center electrically heated rod of electric heating tube center setting axially, along height
The heating power in direction, the unit length of center electrically heated rod is constantly reduced；Exhaust outlet is arranged in the cabinet top；
Along center electrically heated rod to the more root diameters radially extended to electrically heated rod, the radial electricity adds for the electric heating tube setting
More are arranged on hot pin from the outwardly extending triangle cooling fin of radial electrically heated rod；
The triangle cooling fin is right angled triangle cooling fin, and shape short side at right angle is located in radial bars, and long side is from diameter
Extend outwardly to bar；Multiple triangle cooling fins are set on each radial direction electrically heated rod, multiple triangle cooling fins are similar figures；
The opposite acute angle of the short side at the right angle is M, and the side length of the long side at right angle is L, adjacent on same radial direction electrically heated rod
The adjacent distance of triangle cooling 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。
2. steam generator as described in claim 1, which is characterized in that along short transverse, the unit of center electrically heated rod
The amplitude of the continuous reduction of the heating power of length constantly increases.
3. steam generator as described in claim 1, which is characterized in that the hole shape is round or rectangular.
4. steam generator as described in claim 1, which is characterized in that the aperture be arranged in the 50% of cabinet water level with
Under.
5. steam generator as described in claim 1, which is characterized in that 0.25R < L < 0.32R, wherein R is from electric heating tube
The center of circle is located at the distance at the midpoint on the side at the place of axial cooling fin to right angled triangle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276669.8A CN109654466B (en) | 2017-07-31 | 2017-07-31 | Steam generator with highly-variable heating power |
| CN201710635586.2A CN107940430B (en) | 2017-07-31 | 2017-07-31 | A kind of steam generator of heating power height change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635586.2A CN107940430B (en) | 2017-07-31 | 2017-07-31 | A kind of steam generator of heating power height change |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811276669.8A Division CN109654466B (en) | 2017-07-31 | 2017-07-31 | Steam generator with highly-variable heating power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107940430A CN107940430A (en) | 2018-04-20 |
| CN107940430B true CN107940430B (en) | 2019-03-15 |
Family
ID=61928607
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710635586.2A Expired - Fee Related CN107940430B (en) | 2017-07-31 | 2017-07-31 | A kind of steam generator of heating power height change |
| CN201811276669.8A Expired - Fee Related CN109654466B (en) | 2017-07-31 | 2017-07-31 | Steam generator with highly-variable heating power |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811276669.8A Expired - Fee Related CN109654466B (en) | 2017-07-31 | 2017-07-31 | Steam generator with highly-variable heating power |
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| CN (2) | CN107940430B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611811B (en) * | 2018-10-23 | 2020-03-24 | 山东交通学院 | Steam generator |
| CN111089281B (en) * | 2018-10-23 | 2021-08-17 | 青岛乾福圣耀商贸有限公司 | Steam generator with variable core heating power |
| CN111536689B (en) * | 2019-07-03 | 2021-03-26 | 山东交通学院 | Water heater with periodically-changed heating quantity |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218874Y (en) * | 1994-12-07 | 1996-01-31 | 支前锋 | Quick steam generator |
| CN103216957B (en) * | 2013-05-03 | 2014-04-09 | 南阳师范学院 | Intelligent control solar water heater having auxiliary heating function |
| CN108800568B (en) * | 2016-08-20 | 2019-05-21 | 中北大学 | A kind of uniformly heated heat exchange tube assemblies of caliber change automatic control |
| CN107940427B (en) * | 2017-07-31 | 2019-02-12 | 山东交通学院 | A kind of steam generator of radial direction electrically heated rod spacing variation |
-
2017
- 2017-07-31 CN CN201710635586.2A patent/CN107940430B/en not_active Expired - Fee Related
- 2017-07-31 CN CN201811276669.8A patent/CN109654466B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109654466A (en) | 2019-04-19 |
| CN109654466B (en) | 2020-09-15 |
| CN107940430A (en) | 2018-04-20 |
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