CN107314356B - A kind of steam generator of perforate distribution density variation - Google Patents
A kind of steam generator of perforate distribution density variation Download PDFInfo
- Publication number
- CN107314356B CN107314356B CN201710635565.0A CN201710635565A CN107314356B CN 107314356 B CN107314356 B CN 107314356B CN 201710635565 A CN201710635565 A CN 201710635565A CN 107314356 B CN107314356 B CN 107314356B
- Authority
- CN
- China
- Prior art keywords
- electric heating
- heating tube
- perforate
- steam
- electrically heated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
-
- 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
Landscapes
- 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 present invention provides a kind of steam generators of perforate distribution density variation, the steam generator includes babinet, electric heating tube and steam (vapor) outlet, the electric heating tube is arranged in babinet, 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 outer tube lower part sets perforate, the top connection steam (vapor) outlet of electric heating tube；The perforate is arranged to multiple, and along in short transverse, the distribution density of the perforate is less and less.The present invention devises the steam generator of Novel structure, by the variation of perforate distribution density, reduces the dry of electric heating tube, while improves the efficiency of heating surface.
Description
Technical field
The present invention relates to boiler technology field more particularly to a kind of steam generators of Novel structure.
Background technology
Steam generator is the mechanical equipment for water being heated as using the thermal 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 is mostly using combustion gas or fuel Heating, and the efficiency of heating surface is low, and the electric heating used at present steams
Vapour generator is to be arranged on using electrothermal tube to the bottom of storage tank mostly, is directly heated to the water in water tank and generate steam.
There is the problem of heating is slow, and the thermal efficiency is low in this electric heating steam generator.
As Chinese patent literature CN2071061U discloses a kind of steam generating appliances for the effects that being used for beauty, health care, bag
It includes metal electrode board and the housing made of heat resistant plastice, go out vapour cover board, interior panelling, flexible handle, metal electrode board is necessary
Power on through power cord, there are internal baffles in housing, it is suitable for reading to have vapour cover board, there is socket slot can be with carrying spigots outside housing bottom
Flexible handle be connected.For another example a kind of improved electric heating steam generator disclosed in Chinese patent literature CN2651594Y is used
In generating steam, including body cavity and electric heater, electric heater is placed in body cavity, and partition plate 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 plate is equipped with steaming hole；Partition plate has 2-6 layers,
Form transition chamber between partition plate, the steaming hole dislocation arrangement on adjacent partition plate.Electric heater heats the water heated in water cavity, steams
Vapour is entered spare in vapor cavity by the transition chamber of partition plate and its formation.Electric-heating steam disclosed in above-mentioned two patent document
Generator belongs to such product.
The content of the invention
The present invention provides a kind of Novel structure Multifunctional steam generator, and the steaming for deficiency of the prior art
Vapour generator has the function of heating rapid, uniformity of temperature profile, safe and reliable, improves the efficiency of heating surface.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of steam generator of perforate distribution density variation, the steam generator include babinet, electric heating tube and steaming
Vapor outlet, the electric heating tube are arranged in babinet, and 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, and the outer tube lower part sets perforate, the top connection steam (vapor) outlet of electric heating tube；Institute
It states perforate and is arranged to multiple, along in short transverse, the distribution density of the perforate is less and less.
Preferably, along short transverse, the amplitude that the distribution density of the perforate is less and less constantly increases.
Preferably, the hole shape is circular or square.
Preferably, the babinet top sets exhaust outlet.
Preferably, the perforate is arranged on less than the 50% of babinet 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
Outwardly extending triangle cooling fin.
Preferably, the triangle cooling fin is right angled triangle cooling fin, the short side for forming right angle is located at radially
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 length of side 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 requirement：
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 are 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 invention has the advantages that：
1) present invention is ensured that most of water is heated in lower part, is become in water by the variation along short transverse perforate density
Constantly there is water to enter electric heating tube, continuous heating into steam uphill process.If lower part water inlet is few, lower part may be caused
Water fast vaporizing, causes in electric heating tube 2 that pressure is excessive, causes the water on top also because pressure considerations cannot be introduced into electrical heating
Pipe.Reduce the dry of electric heating tube, while improve the efficiency of heating surface.
2) present invention devises a kind of steam generator of Novel structure, by such structure, can pass through a device
Realize steam and hot water double action, simple in structure, the efficiency of heating surface is high.
3) present invention by set the perforate of electric heating tube bottom along in short transverse distribution density, area and more
The setting of the spacing variation of rows of openings, further improves the efficiency of heating surface, improves the security performance of steam generator.
4) present invention devises new-type vertical tubular electric heating tube, and electric heating tube top directly connects steam (vapor) outlet,
By such mechanism, the efficiency of heating surface can be further improved.
5) present invention devises variation of the electrical heating efficiency along short transverse, can further improve the security of device
Energy and heating properties.
6) 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 adds the disturbance of heating surface (area) (HS and fluid, improves heating effect.
7) present invention passes through numerical simulation and many experiments, it is determined that the optimal relation of interior cooling fin further improves
Heating effect, also provides an optimal reference frame for being related to for electric heating tube of such structure.
Description of the drawings：
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 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- babinets；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 cooling fins；24- centers electrically heated rod；25- perforates
Specific embodiment
Fig. 1-5 illustrates a kind of steam generator.As shown in Figure 1, the steam generator includes babinet 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 lower part of babinet 1, 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 babinet, the electric heating tube 2 for vertical direction set (perpendicular to
Water tank bottom plane is set), electric heating tube 2 includes outer tube 21 and the electric heater being arranged in outer tube 21, the electric heating tube 2
Lower part sets intake tunnel, ensures the water of babinet 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 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 so ensure to steam
The vapour velocity of discharge.
Cold water enters babinet by cold water inlet 3.When being worked, electric heating tube 2 is arranged in babinet 1, in babinet 1
Water enters electric heating tube 2 by the perforate 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 steam is generated, while the in vivo water of heater box, it is produced 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 that there are many steam generating appliances,
Its scope utilized has been expanded, and the steam generated 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 external water will not explosive evaporation, also ensure the safety of heating
Property.
The present invention is set by electric heating tube 2 for vertical direction, can to heat water in the vertical direction so that water exists
Continuous heating in uphill process, the electric heating tube set relative to horizontal direction, further improves 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
Generate the simple function evaporator of steam.
Preferably, 1 top of babinet sets exhaust outlet 6.By setting exhaust outlet 6,1 internal pressure of babinet is avoided
It is excessive, it is ensured that safety.
Preferably, the cross section of the babinet 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 babinet.It sets by doing so, ensures 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 babinet 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 either a row can be set on the upper-lower position between adjacent electrically heated rod 22 it is multiple or multiple rows of.
Preferably, 25 shape of perforate can be circular or square.
Preferably, the perforate 25 is arranged on less than the 50% of 1 water level of babinet.It sets by doing so, can ensure water
It can be timely internally heated into electric heating tube 2, while perforate 25 is also avoided to set excessively high to cause steam from perforate 25
It overflows, avoids pressure in entire babinet excessive, while the water of eminence was also 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 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 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, along short transverse, the distribution density of the perforate 25 is less and less.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
The reason is that ensureing that most of water is heated in lower part, constantly there is water to enter electric heating tube 2 in water becomes steam uphill process, hold
Continuous heating.If lower part water inlet is few, lower part 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 largely testing and numerical simulation, by the variation of above-mentioned perforate distribution density, can further improve
The efficiency of heating surface improves the output efficiency of steam, while can reduce dry in electric heating tube.
Preferably, along short transverse, the area of single perforate 25 is less and less.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 25 distribution density of perforate variation.
It is preferably, less and less along the sum of short transverse, the area per rows of openings 25.Preferably, along
The sum of short transverse, the area per rows of openings 25 less and less amplitude is continuously increased.Specific reason is divided referring to perforate 25
The variation 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 variation 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 lower part 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 largely testing and numerical simulation, by the variation of above-mentioned electric heater for heating power, can further improve
10% or so the efficiency of heating surface saves heating 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.
It, can by the variation of above-mentioned 24 heating power amplitude of electrically heated rod by largely testing and numerical simulation
5% efficiency of heating surface is further improved, 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 constantly reduces.Further preferably, the width of reduction
Degree 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 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
More are set on electrically heated rod 22 from 22 outwardly extending triangle cooling fin 23 of radial direction electrically heated rod.
The present invention is by setting radial direction electrically heated rod 22 and being dissipated along 22 outwardly extending triangle of radial direction electrically heated rod
Backing 23 can further improve the efficiency of heating surface, while increase heating surface (area) (HS, improve heating effect, and because set triangle
Shape cooling fin passes through the triangular tip of the similar acicular texture of triangle cooling fin so that the vapor bubbles of generation are rising
In the process, it can further increase flow-disturbing, cut bubble so that air pocket turns to smaller bubble, further promotes vapour-liquid
Fusion promotes the heat exchange of vapour-liquid 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, the radial direction electrically heated rod 22 is shaft, from the center of circle along radially extending to electrical heating
The inner wall of pipe 21.
Preferably, multiple triangle cooling fins 23, multiple triangles are set 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 length of side of triangle cooling fin 23
Or area is less and less.
Preferably, 22 both sides distribution triangle cooling fin 23 of radial direction electrically heated rod, triangle cooling fin 23 is along radially
The center line of electrically heated rod 22 is symmetrical.
Preferably, the distance between adjacent triangle cooling fin 23 of radial direction electrically heated rod 22 remains unchanged.
Preferably, from the center of electric heating tube 21 to radial direction, the heat dissipation of adjacent 22 triangle of radial direction electrically heated rod
Spacing between piece 23 constantly increases.
Constantly increased by the spacing between adjacent 22 triangle cooling fin 23 of radial direction electrically heated rod, can caused outer
Fluid amount of flow big local fluid circulation space in portion's is big, can further reduce flow resistance, heating effect is kept not substantially
Become.
Preferably, the triangle cooling fin 23 is right angled triangle cooling fin, the short side for forming right angle is located at footpath
On electrically heated rod, long side extends outwardly from radial direction electrically heated rod.
Preferably, the radial direction electrically heated rod 22 is round bar, a diameter of 0.6-1.2mm is preferably 0.8mm.
Preferably, triangle cooling fin extends outwardly from the central plane of round bar.The triangle cooling fin is tablet
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 flowing in pipe 2 is too big, and similarly, the apex angle of triangle cooling fin cannot be too
Greatly, flow resistance can be also influenced 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
It accounts 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 has arranged the optimal relation of parameters.
The opposite 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 cooling fin is S, then meets following requirement：
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 at the midpoint on the side at the place for being located at axial cooling fin 22 from 2 center of circle of electric heating tube to right angled triangle.
Wherein adjacent distance S be the place for being located at axial cooling fin 22 with adjacent triangle cooling fin side between
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 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.Further 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 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, it is preferably 2500-3500W.
Preferably, electrically heated rod 24,22 is resistance heater, it is long to change unit by setting the diameter of resistance
The variation of the heating power of degree.
It is preferably, increasing along the distance between short transverse, neighbouring radial direction electrically heated rod 22.Into 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 different 22 unit length heating powers of radial direction electrically heated rod constantly increases.
By the heating power of electrically heated rod 22 is set constantly to reduce in the height direction or the distance between it is more next
It is bigger, ensure 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, the efficiency of heating surface can be further improved.By largely testing and Numerical-Mode
Intend, by the variation 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 has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should
When being subject to claim limited range.
Claims (4)
1. a kind of steam generator of perforate distribution density variation, the steam generator include babinet, electric heating tube and steam
Outlet, the electric heating tube are arranged in babinet, and the electric heating tube includes outer tube and the electric heater being arranged in outer tube, institute
It states electric heating tube to set for vertical direction, the outer tube lower part sets perforate, the top connection steam (vapor) outlet of electric heating tube；It is described
Perforate is arranged to multiple, and along in short transverse, the distribution density of the perforate is less and less, the hole shape be it is circular or
Person is square, and the babinet top sets exhaust outlet.
2. steam generator as described in claim 1, which is characterized in that along short transverse, the distribution density of the perforate
Less and less amplitude constantly increases.
3. steam generator as described in claim 1, which is characterized in that the perforate be arranged on the 50% of babinet water level with
Under.
4. steam generator as described in claim 1, which is characterized 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
More are set on hot pin from the outwardly extending triangle cooling fin of radial direction electrically heated rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635565.0A CN107314356B (en) | 2017-07-31 | 2017-07-31 | A kind of steam generator of perforate distribution density variation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635565.0A CN107314356B (en) | 2017-07-31 | 2017-07-31 | A kind of steam generator of perforate distribution density variation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107314356A CN107314356A (en) | 2017-11-03 |
| CN107314356B true CN107314356B (en) | 2018-06-01 |
Family
ID=60169933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710635565.0A Expired - Fee Related CN107314356B (en) | 2017-07-31 | 2017-07-31 | A kind of steam generator of perforate distribution density variation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107314356B (en) |
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 CN201710635565.0A patent/CN107314356B/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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107314356A (en) | 2017-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107314358B (en) | A kind of steam generator for generating steam and hot water dual function | |
| CN107420870B (en) | A kind of steam generator | |
| CN107314357B (en) | The steam generator that perforated area changes in a kind of short transverse | |
| CN207262404U (en) | A kind of steam generator for producing steam and hot water dual-use function | |
| CN107327821B (en) | A kind of steam generator of intelligent control vapor (steam) temperature | |
| CN107664299B (en) | A kind of steam generator of intelligent hot water temperature | |
| CN107940430B (en) | A kind of steam generator of heating power height change | |
| CN207262403U (en) | A kind of steam generator of the simple function of generation steam | |
| CN207262405U (en) | The steam generator that perforated area changes in a kind of short transverse | |
| CN207262398U (en) | A kind of heating tube and its steam generator of the change of radial direction electrically heated rod spacing | |
| CN207539874U (en) | A kind of steam generator of vacuum insulation plate spacing variation | |
| CN207262399U (en) | A kind of steam generator of Novel structure | |
| CN107940427B (en) | A kind of steam generator of radial direction electrically heated rod spacing variation | |
| CN207262402U (en) | A kind of electric heating tube and its steam generator of hole row spacing change | |
| CN107314356B (en) | A kind of steam generator of perforate distribution density variation | |
| CN207539875U (en) | A kind of different steam generator of upper and lower box vacuum insulation plate thickness | |
| CN107940428B (en) | A kind of steam generator of Novel structure | |
| CN207262400U (en) | A kind of steam generator of heating power height change | |
| CN107940429B (en) | The steam generator of hole row spacing variation in a kind of short transverse | |
| CN207262401U (en) | A kind of electric heating tube and its steam generator of the change of perforate distribution density | |
| CN109611811A (en) | A kind of steam generator | |
| CN207539876U (en) | A kind of steam generator of heat conductivity of vacuum insulation panel variation | |
| CN109323227A (en) | A kind of steam generator of heat conductivity of vacuum insulation panel variation | |
| CN109323231A (en) | A kind of steam generator of vacuum heat-insulating plate thickness change | |
| CN207674410U (en) | A kind of steam generator that upper and lower box vacuum insulation plate spacing is different |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20190731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |