CN110150965A - A kind of steam generator and its steam box - Google Patents
A kind of steam generator and its steam box Download PDFInfo
- Publication number
- CN110150965A CN110150965A CN201910336649.3A CN201910336649A CN110150965A CN 110150965 A CN110150965 A CN 110150965A CN 201910336649 A CN201910336649 A CN 201910336649A CN 110150965 A CN110150965 A CN 110150965A
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- Prior art keywords
- steam
- water pond
- end cap
- steam generator
- evaporation water
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Commercial Cooking Devices (AREA)
Abstract
The present invention provides a kind of steam generator and steam box, the steam generator includes: evaporation water pond, and inside has the accommodating space for generating steam；End cap covers in the evaporation water pond top and is detachably connected with it, is provided with venthole on the end cap.By the structure of the steam generator, the generation of big quantity of steam is realized, reduces wet saturated steam, improves saturated vapor dryness, reduces the condensed water inside steam box with food materials surface.
Description
Technical field
The present invention relates to steam box technical fields, in particular to a kind of steam generator and its steam box.
Background technique
The mostly unlimited water pond formula steam generator of the evaporator of existing steam oven and duct type steam generator, but pipeline
The rate of formula steam generator generation steam is slow and quantity of steam is less；Although and open wide water pond evaporator quantity of steam it is larger,
Generate is mostly that wet saturated steam contains a large amount of subtle particle water, and then influences the mouthfeel of the food cooked, and scale product
Tire out and is difficult to clean on water pond surface.
Summary of the invention
It is fast and do not influence to cook steam generator and the steaming of mouthfeel that problems solved by the invention is to provide a kind of outgassing rate
Case.To solve the above problems, the present invention provides a kind of steam generator, comprising:
Water pond is evaporated, inside has the accommodating space for generating steam；
End cap covers in the evaporation water pond top and is detachably connected with it, is provided with venthole on the end cap.
By above structure, the generation of big quantity of steam is realized, reduces wet saturated steam, saturated vapor dryness is improved, subtracts
Condensed water inside few steam box with food materials surface；Simultaneously because face heating is so that the water of evaporation water pond is heated evenly, reduction is heated
Unevenness, caused by blister band water splashing, improve the quality of steam, and can instantaneously producing steam, reduce preheating time and cook
It prepares food the time；On the other hand, due to be evenly heated so that the scale that generates be precipitated it is more uniform, will not be hardened, easy cleaning.
Further, the area of the venthole and quantity are according to the area determination of evaporation water pond and/or the outlet opening
Distribution determined by steam jet velocity and steam perturbation scheme.By the venthole optimization design of the end cap, so that steam
Under the action of end cap, aggregation generates certain pressure in evaporation water pond, by narrow gas outlet, forms injection steam, increases
Add the intracorporal steam flowing of case, further improves the heat transfer of cooking process and shorten cooking time.
Further, it is 5mm-25mm that the outlet bore dia, which is range,.Outlet bore dia is too small to be easy to be blocked by scale,
Diameter does not have greatly very much gas liquid separating function.
Further, the gross area of all ventholes and evaporation water pond area ratio are 0.05-0.4.Venthole
The ratio of the gross area and evaporation water pond area determines the flow velocity of steam, and the venthole gross area is too small, and steam flow rate is too high, impact
Food materials；The venthole gross area is too big, cannot play and saturated vapor is heated into micro- superheated steam again, further increase steam
Mass dryness fraction.
Further, the end cap and the evaporation water pond fit closely to form sealed connection, and the end cap is using thermally conductive
Material.Due to the unitary design of end cap and evaporation water pond, so that the heat of evaporation water pond is transmitted to end cap simultaneously；End cap simultaneously
Heat transfer efficiency it is high, surface temperature is higher than 100 DEG C, therefore steam is discharged in cabinet by end cap, is further heated and is reached
Micro- superheat state further increases the mass dryness fraction of steam, shortens cooking time and reduces condensed water, improves food materials mouthfeel and appearance.
Further, the material of the end cap is corrosion-resistant material.End cap uses corrosion-resistant material, can prevent in steam
Corrosion of the chloride ion plasma to end cap.
Further, it includes: that the evaporation water pond setting limits that the end cap and the evaporation water pond, which form sealed connection,
Slot with the end cap for connecting；Or the end cap and evaporation water pond formed integrated flip lid connection type or the end cap with
Evaporation water pond is fixed using screw thread rotation or the end cap is buckled in evaporation water pond top.
Further, the steam generator further includes heating film, fits in the evaporation water pond bottom lower surface, is used for
Make to evaporate water pond bottom thermally equivalent in such a way that face is heated.
Further, the diameter range of the evaporation water pond is 150-250mm, altitude range 10mm-80mm.Relative to
The prior art, evaporation water pond floor space of the invention is bigger and height is smaller, and overall volume is reduced, and advantageously reduces evaporation water
Ponding in disk, while heating efficiency is improved, while evaporating the reduction of water pond height, heat loss is advantageously reduced, it is further real
Existing gas-liquid separation.
Further, the end cap diameter range is 100mm-350mm, and the altitude range of the end cap is 1mm-3mm.End
Depending on the size of lid considers that evaporation water pond size and material cost control need.
Further, the heating film includes five-layer structure using nano metal heating film or the heating film, from upper
It is down respectively upper portion insulating dielectric layer, pad conductor layer, resistance wire layer, lower part insulating medium layer and substrate layer.Changed by optimization
Kind heating element substitutes traditional heating pipe using heating film, so that the thermal efficiency improves.
Further, the power bracket of the heating film is 200W-2000W.Since heating film power controllability is preferable, function
Rate adjustable range is larger, and the quantity of steam for realizing evaporator is adjusted, and adapts to more category food materials.
Further, the diameter range of the heating film is 100-150mm, the thickness of the heating film and evaporation water pond chassis
Degree range is 3-10mm.Since the thickness of heating film is smaller, so that the height setting of evaporation water pond is more flexible.
According to another aspect of the present invention, a kind of steam box, including steam generator as described above are provided.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of steam generator of the embodiment of the present invention；
Fig. 2 is the resistance wire layout of five-layer structure of embodiment of the present invention heating film；
Fig. 3 A is the schematic diagram of the end cap venthole distributed rectangular of steam generator of the embodiment of the present invention；
Fig. 3 B is the schematic diagram of the end cap venthole circular distribution of steam generator of the embodiment of the present invention；
Fig. 3 C is the schematic diagram of the end cap venthole divergence expression distribution of steam generator of the embodiment of the present invention.
Description of symbols:
1- end cap；2- evaporates water pond；3- heating film；4- venthole；5- handle；The lower part 6- insulating medium layer；7- resistance wire
Layer.
Specific embodiment
The steam rate that existing steam generator generates is relatively low, and the thermal efficiency of the main cause based on heating element is not high, adds
The heat exchange area of thermal element and evaporation water pond is less than normal, causes the heat exchange with water to be not enough, and then influence outgassing rate is slow, makes
It is partially long at the cooking time of existing steam box, and then influence the rate and mouthfeel of culinary art.Therefore it is fast to need to provide a kind of outgassing rate
And do not influence to cook the steam generator and steam box of mouthfeel.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
In first illustrative examples of the invention, a kind of steam generator is provided, the steam generator uses
Nanoporous metal membrane is heated as heating element.Fig. 1 is the structural schematic diagram of steam generator of the embodiment of the present invention.Such as Fig. 1
It is shown, in the steam generator, be provided with generate steam accommodating space evaporation water pond 2, evaporation water pond 2 be equipped with
Its end cap 1 being detachably connected, heating film 3 are attached to the chassis lower surface of evaporation water pond 2.Wherein 3 thermal efficiency of heating film is high, power
Density is big, and power controllability is good.It is exchanged heat between medium in the form of face heating film 3, so that steam generation
Device heating speed is very fast, may be implemented to go out hot water in 2s.Simultaneously as the water in evaporation water pond 2 is heated evenly, it can be uniform
Ground generates boiled water bubble, and relative to traditional heating tube heating method, the noise of generation is relatively low.The end cap 1 is detachable
It is connected to evaporation water pond, can open to facilitate the scale removed inside evaporation water pond 2.
Heating film 3 and the range with a thickness of H1 on evaporation 2 chassis of water pond are in 3-10mm.In the present embodiment, heating film 3 is adopted
With nanoporous metal membrane, exchanged heat by ionic means；Wherein the diameter of heating film 3 is D2, and range is 100-150mm, slightly
Less than the diameter of evaporation water pond 2；Heating membrane material is electric slurry, thickness very little, generally in 3mm or so, it is achieved that body
Long-pending miniaturization.In other embodiments, heating film 3 can also be the heating film for including five-layer structure, be respectively from top to bottom
Upper portion insulating dielectric layer, pad conductor layer, resistance wire layer, lower part insulating medium layer and substrate layer, the substrate layer is using stainless
The materials such as steel or devitrified glass.Fig. 2 is the resistance wire layout of a specific embodiment five-layer structure heating film of the invention.Such as Fig. 2
Shown, wherein the resistance wire of resistance wire layer is arranged in 6 surface of lower part insulating medium layer with coiled fashion.It should be noted that electric
The layout type of resistance silk is not limited to upper figure, in other embodiments, can also use other resistance wire layout type, realize uniform
Heating.
Line relative to traditional heating tube heats, and heat exchange area is face heating transmitting, according to heat transfer formula Q=FK Δ
T, larger to improve heat-conducting area and heat exchange amount, wherein the heating film thermal efficiency is 98% or more, relative to traditional resistance wire heat
Efficiency only has 80% or so, and efficiency improves 20% or more, has preferable energy-saving effect.Also, the power density of heating film
It is larger, compared with the heating that relatively high power can be realized in small area.Simultaneously as heating film power controllability is preferable, power regulation model
Enclose larger, in 200W-2000W, the quantity of steam for realizing evaporator is adjusted power designs range in the present embodiment, adapts to more categories
Food materials.
It is heated as a result, by using heating film 3 to evaporation water pond 2, realizes the thermally conductive and higher thermal efficiency of large area,
So that the water Quick uniform in evaporation water pond is heated, reach saturated-steam temperature, reduces blister band water caused by uneven heating
It splashes, improves the quality of steam.
Evaporation water pond diameter range is 150-250mm, and height H2, for range in 10mm-80mm, material is stainless
Steel or other anticorrosive materials.Compared with the existing technology, evaporation water pond floor space of the invention is bigger and height is smaller, and total
Body volume reducing advantageously reduces the ponding in evaporation water pond, while improving heating efficiency, while evaporating the reduction of water pond height,
Heat loss is advantageously reduced, gas-liquid separation is further realized.
Evaporation 2 top of water pond is provided with end cap 1, and 1 diameter of end cap is D1, range be in 100mm-350mm, end cap it is big
Depending on small consideration evaporation water pond size；The height of end cap is H3, considers material and cost control, the range of H3 is in 1mm-3mm；End
The material of lid 1 is stainless steel, devitrified glass or other anticorrosive materials.
Since the rate of steam generation is fast, simultaneous with a large amount of wet saturated steam and saturated water, after end cap hinders,
Fractional saturation water condensation carries out minute-pressure heating in end cover back side, moist steam, improves saturated vapor dryness, reduces what The water splash in all directions
Phenomenon.Specifically, the enthalpy of 100 DEG C of saturated waters is 417.52kj/Kg；The enthalpy of 100 DEG C of saturated vapors is 2675.14kj/Kg；
100 DEG C of wet saturated steam contains saturated water and saturated vapor, therefore reduces the content of wherein saturated water, and it is dry to improve saturated vapor
Degree, can be improved culinary art rate.And the setting of end cap 1 is assembled rapidly inside it so that evaporating the steam generated in water pond 2, makes
Its internal pressure increases, and improves vapor (steam) temperature, further reduces moist steam content in steam and improve steam quality, have
Rate is cooked conducive to improving, reduces cooking time.Simultaneously because the setting of end cap, the scale of generation is accumulated in evaporator, clearly
Evaporator is only cleaned when clean, it is convenient and efficient, it is time saving and energy saving.
Further, the evaporation water pond 2 is provided with limiting slot, and end cap 1 is closely pasted with evaporation water pond 2 by limiting slot
Tightly, so that end cap 1 and evaporation water pond 2 design for integral type, sealing space is formed, so that pressure has certain pressure and rate,
The heat transfer coefficient of steam and food is improved, realizes the quick conductive of evaporation water pond 2 and end cap 1.Preferably, end cap material uses
The heat-conductings such as metal stainless steel, thermal coefficient is higher, so that end cover surface temperature is higher than 100 DEG C, therefore steam is by end
Lid is discharged in cabinet, is further heated and is reached micro- superheat state, is conducive to for saturated vapor to be heated into micro- superheated steam again,
The mass dryness fraction of steam is further increased, condensed water and cooking time are reduced, improves food materials mouthfeel and appearance.In some other embodiment
In, the flip lid connection type that the end cap can also be made of one with evaporation water pond, or fixed using screw thread rotation, or be buckled in
Evaporate water pond top.
The venthole 4 of predetermined quantity is additionally provided on the end cap 1, the area and quantity of the venthole 4 are according to evaporation
The area of water pond is arranged.Specifically, 4 diameter of venthole is D3, and range is in 5mm-25mm.The diameter range of venthole 4 by
Scale influences, and diameter is too small to be easy to be blocked by scale, and diameter does not have greatly very much gas liquid separating function.Further, it is all go out
The gross area and evaporation water pond area ratio of stomata 4 are Y, and range is in 0.05-0.4.The gross area and evaporation water pond of venthole 4
The ratio of area determines the flow velocity of steam, and 4 gross area of venthole is too small, and steam flow rate is too high, impacts food materials；Venthole 4 is total
Area is too big, cannot play and saturated vapor is heated into micro- superheated steam again, further increases the mass dryness fraction of steam.
Pass through the optimization design of 1 venthole 4 of end cap as a result, when steam is discharged by the venthole 4 of end cap 1, because inside is pressed
Power is high and outlet opening is smaller, so that steam has certain speed spray treatment food, to exacerbate disturbing for steam in cabinet
It is dynamic, improve the heat exchange of steam and food materials.Density saturated vapor less than normal preferentially passes through exhaust outlet exclusion simultaneously, improves steam
Mass dryness fraction.
Further, the distribution mode of venthole 4 can also optimize.Fig. 3 A is steam generator of the embodiment of the present invention
End cap venthole distributed rectangular schematic diagram；Fig. 3 B is the end cap venthole circular distribution of steam generator of the embodiment of the present invention
Schematic diagram；Fig. 3 C is the schematic diagram of the end cap venthole divergence expression distribution of steam generator of the embodiment of the present invention.Such as Fig. 3 A-3C
Shown, 1 surface placement of end cap is distributed a certain number of ventholes 4, and wherein the layout of venthole 4 can be round regular distribution,
It is also possible to rectangle rule distribution, can also be randomly distributed, effect is the steaming for enhancing steam jet velocity and increasing cabinet
Vapour disturbance, improves the heat transfer coefficient of steam and food materials.Preferably, it is additionally provided with handle 5 on the end cap 1, facilitates and is moved.
The power of heating film can according to need during the cooking process to be adjusted, further by the adjusting of watt level
Improve the flow and quality of steam, to preferably cook food materials.For example, the power regulating range of heating film is in 200W-2000W
To cook Steamed perch with scallion and black beans, in steam oven open state, when preheating to steam box inside, the power of heating film is transported according to maximum
Row, is allowed to instantaneously producing steam, makes spin manifold temperature reach 100 DEG C rapidly, and handle food materials, reduces cooking time, is cooking
In the process, heating film power is suitably reduced, quantity of steam is reduced, maintains constant evaporation capacity for engine, reduces the condensed water on food materials surface, is cooking
Prepare food the later period, then it is appropriate reduce heating film power so that carry out food materials processing using waste heat so that the food materials of culinary art will not stickness and
More water.
The steam generator of the present embodiment realizes face heating by using heating film, can be realized thermally equivalent, mitigates knot
Dirt (mitigates the aspect of scale two, first is that heating film is face heating, is heated evenly, scale is precipitated uniformly, easy to clean, will not office again
Portion generates the dirty layer of the hardened formation of a large amount of scales；Second is that the scale of generation accumulates in evaporator due to the design of end cap, will not arrive
In steam box, so reduce the scale in steam box), improve traditional heating tube as line heating, evaporates the water uneven heating in water pond
Even and serious fouling problem；The thermal efficiency of heating film is high simultaneously, can produce high-temperature steam in 2s, fast cooking may be implemented
Food shortens cooking time.
In second illustrative examples of the disclosure, a kind of steam box is provided, the steam box is steamed using as described above
Vapour generator.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (15)
1. a kind of steam generator characterized by comprising
It evaporates water pond (2), inside has the accommodating space for generating steam；
End cap (1) covers in the evaporation water pond (2) top and is detachably connected with it, is provided with outlet on the end cap (1)
Hole (4).
2. steam generator according to claim 1, which is characterized in that the area of the venthole (4) and quantity according to
The area determination and/or the distribution of the outlet opening of evaporation water pond (2) are true by steam jet velocity and steam perturbation scheme
It is fixed.
3. steam generator according to claim 2, which is characterized in that venthole (4) diameter range is 5mm-
25mm。
4. steam generator according to claim 2, which is characterized in that the gross area of all ventholes (4) and steaming
Shampoo disk (2) area ratio is 0.05-0.4.
5. steam generator according to claim 1, which is characterized in that the end cap (1) and the evaporation water pond (2) are tight
Closely connected conjunction, which is formed, to be tightly connected, and the end cap (1) uses Heat Conduction Material.
6. steam generator according to claim 5, which is characterized in that the material of the end cap (1) is corrosion-resistant material.
7. steam generator according to claim 5, which is characterized in that the end cap (1) and evaporation water pond (2) shape
It include: that evaporation water pond (2) the setting limiting slot is used to connect with the end cap (1) at sealed connection；Or the end cap (1) with
Evaporation water pond (2) formation flip mode connects or the end cap (1) is fixed with evaporation water pond (2) using screw thread rotation or described
End cap (1) is buckled in evaporation water pond (2) top.
8. steam generator according to claim 1, which is characterized in that the diameter range of described evaporation water pond (2) bottom
For 150-250mm, altitude range 10mm-80mm.
9. steam generator according to claim 1, which is characterized in that end cap (1) diameter range is 100mm-
350mm, altitude range 1mm-3mm.
10. steam generator according to claim 1, which is characterized in that the steam generator further includes heating film
(3), evaporation water pond (2) bottom lower surface is fitted in, for making evaporation water pond (2) bottom uniform in such a way that face is heated
It is heated.
11. steam generator according to claim 10, which is characterized in that the heating film (3) uses nanoporous metal membrane,
Its material is electric slurry.
12. steam generator according to claim 10, which is characterized in that the heating film (3) includes five-layer structure, from
Upper and lower respectively upper portion insulating dielectric layer, pad conductor layer, resistance wire layer, lower part insulating medium layer and substrate layer.
13. steam generator according to claim 10, which is characterized in that the power bracket of the heating film (3) is
200W-2000W。
14. steam generator according to claim 10, which is characterized in that the diameter range of the heating film (3) is
The thickness range on 100-150mm, the heating film (3) and evaporation water pond (2) chassis is 3-10mm.
15. a kind of steam box, which is characterized in that including such as described in any item steam generators of claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336649.3A CN110150965A (en) | 2019-04-24 | 2019-04-24 | A kind of steam generator and its steam box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336649.3A CN110150965A (en) | 2019-04-24 | 2019-04-24 | A kind of steam generator and its steam box |
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| Publication Number | Publication Date |
|---|---|
| CN110150965A true CN110150965A (en) | 2019-08-23 |
Family
ID=67638712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910336649.3A Pending CN110150965A (en) | 2019-04-24 | 2019-04-24 | A kind of steam generator and its steam box |
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Citations (8)
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|---|---|---|---|---|
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| CN2369442Y (en) * | 1999-01-15 | 2000-03-15 | 陈雷 | Electric heating membrane |
| CN101784137A (en) * | 2009-01-16 | 2010-07-21 | 富铄科技股份有限公司 | Soft electric heating device and manufacturing method thereof |
| CN205420876U (en) * | 2016-03-17 | 2016-08-03 | 宁波帅威电器有限公司 | Bottom plate has porous steam steam outlet hole's flatiron |
| CN105986462A (en) * | 2015-02-11 | 2016-10-05 | 佛山市顺德区美的电热电器制造有限公司 | Vapor generator and clothes caring machine |
| CN106139944A (en) * | 2016-08-29 | 2016-11-23 | 青岛康泰重工机械有限公司 | Steam mixer |
| CN208606151U (en) * | 2018-04-25 | 2019-03-15 | 曾宪燃 | A kind of steam generator |
-
2019
- 2019-04-24 CN CN201910336649.3A patent/CN110150965A/en active Pending
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|---|---|---|---|---|
| CN2215660Y (en) * | 1994-11-18 | 1995-12-20 | 黑龙江无线电一厂 | Steam generator |
| CN2283183Y (en) * | 1996-09-11 | 1998-06-03 | 黑龙江无线电一厂 | Steam generator |
| CN2369442Y (en) * | 1999-01-15 | 2000-03-15 | 陈雷 | Electric heating membrane |
| CN101784137A (en) * | 2009-01-16 | 2010-07-21 | 富铄科技股份有限公司 | Soft electric heating device and manufacturing method thereof |
| CN105986462A (en) * | 2015-02-11 | 2016-10-05 | 佛山市顺德区美的电热电器制造有限公司 | Vapor generator and clothes caring machine |
| CN205420876U (en) * | 2016-03-17 | 2016-08-03 | 宁波帅威电器有限公司 | Bottom plate has porous steam steam outlet hole's flatiron |
| CN106139944A (en) * | 2016-08-29 | 2016-11-23 | 青岛康泰重工机械有限公司 | Steam mixer |
| CN208606151U (en) * | 2018-04-25 | 2019-03-15 | 曾宪燃 | A kind of steam generator |
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Application publication date: 20190823 |
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