CN208312341U - A kind of high-efficient steam generator based on large area heat transfer - Google Patents
A kind of high-efficient steam generator based on large area heat transfer Download PDFInfo
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- CN208312341U CN208312341U CN201820868610.7U CN201820868610U CN208312341U CN 208312341 U CN208312341 U CN 208312341U CN 201820868610 U CN201820868610 U CN 201820868610U CN 208312341 U CN208312341 U CN 208312341U
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- foam metal
- heat transfer
- steam generator
- large area
- area heat
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Abstract
The utility model discloses a kind of high-efficient steam generators based on large area heat transfer, shell and calandria including having water inlet and gas outlet, it further include the foam metal for being arranged in shell and being located at below water inlet, it is the vapor generating cavity with gas outlet above the foam metal, the calandria is embedded in the foam metal and carries out steam generation for heating the foam metal；The high-efficient steam generator based on large area heat transfer of the utility model, water flow can be dispersed in foam metal surface after entering housing cavity, it makes full use of and exchanges heat with the contact surface of foam metal, the thermal efficiency is obviously improved, and finally forms uniform, stable, continuous steam in gas outlet.
Description
Technical field
The utility model relates to steam generation technique fields, and in particular to a kind of high-efficiency steam hair based on large area heat transfer
Raw device.
Background technique
Steam generator has been widely used in steaming plant field as core component, certainly such as steam microwave oven, steam
Clean kitchen ventilator etc..The characteristics of Portable high-efficiency, increasingly becomes the prevailing characteristics of small household appliances, meanwhile, this also just sends out steam
The working space and steam quality of raw device propose higher demand.
To solve the above-mentioned problems, researcher proposes some efficient steam generators, such as publication number CN
The patent document of 107228349A discloses a kind of steam generator, the steam generator, includes " recessed " type outer shell and inner casing,
Inside and outside cylinder is connected to by pipeline, so that the inner ring and outer ring of electromagnetic heater gives inside and outside cylinder to heat simultaneously, and bee is arranged in inner casing
Nest shape shunts column, realizes making full use of for energy, effectively improves steam generation efficiency, but it is more demanding to processing technology, and
Volume is difficult to reduce.
In another example the patent document of publication number CN 103776009B discloses a kind of steam generator, the steam generator
Heated shell inner cavity setting W type heating tube and cast an entirety, small volume, while W type heating tube and water flow and guide
The overlapping arrangement of partition improves the thermal efficiency, but its internal structure is complicated, is easy fouling, nothing after casting so that water flow is sufficiently heated
Method disassembly, is not suitable for the harder area of water quality.
In conclusion design it is a it is small in size, the thermal efficiency is high, the steam generator of scale removal is facilitated to become particularly significant.
Utility model content
The utility model provides a kind of high-efficient steam generator based on large area heat transfer, has the small in size, thermal efficiency
It is high and the characteristics of facilitate scale removal.
A kind of high-efficient steam generator based on large area heat transfer, shell and heating including having water inlet and gas outlet
Body further includes the foam metal for being arranged in shell and being located at below water inlet, is with gas outlet above the foam metal
Vapor generating cavity, the calandria is embedded in the foam metal and carries out steam generation for heating the foam metal.
The foam metal of the utility model fully absorbs the heat of the calandria, to heat the liquid of water inlet outflow,
The thermal efficiency is obviously improved.The face volume ratio of the foam metal is big, and water droplet is constantly crushed while heating, can shorten out
Steaming time, while vapour-liquid can be achieved from separation by the arrangement of the foam metal.
The utility model is made full use of heating volume, is reduced steam and contain liquid using the mode of " water route is enterprising, and vapour road goes out "
Amount.For the foam metal for being atomized liquid stream, heating atomization droplet is remarkably improved heating efficiency.
The calandria is embedded in the foam metal and refers to that calandria directly contacts foam metal heating, and the mode of insertion is very
It is more, including insertion inside, it is enclosed in periphery etc..
In order to further increase evaporation efficiency, it is preferred that the porosity of the foam metal is 0.6~0.8.
For quick descaling, it is preferred that the housing bottom is equipped with sewage draining exit.The sewage outfalls setting is at the bottom of shell
The service life of the steam generator is improved for exhausting cleaning mixture in portion.Sewage draining exit needs that enclosed switch is arranged, for preventing
Only hot steam is escaped, and improves the thermal efficiency of heating.Enclosed switch is openable when needing, and exhausts cleaning mixture in time, is used with improving
Service life.
In order to increase the contact area of water flow and foam metal, it is preferred that the water inlet connection is mounted on steam generation
Intracavitary liquid distribution trough.Liquid distribution trough is set to shunt the direct contact area increased and with the foam metal.
In order to improve gas phase ratio, it is preferred that the foam metal upwardly extends in shell close to the side of gas outlet
Separate the gas outlet and vapor generating cavity.To form L-type structure, steam further adds close to the part of the gas outlet
Heat reduces the liquid content in mixture.
In order to facilitate manufacturing and install, it is preferred that the calandria is U-shaped heater, and the foam metal is divided into up and down
Two layers, the U-shaped heater is sandwiched between upper and lower two layers of foam metal.It can be fixed using steel wire.
Preferably, the foam metal uses nickel or copper product.Two kinds of foam metals are easily obtained, technical maturity, cost
Relatively low, wherein the thermal conductivity of copper is high, is conducive to improve outlet steam quality.
In order to facilitate dismounting and repair, it is preferred that the open setting in the top surface of the shell, the end cap with sealing top surface.
Preferably, the ratio between height of the height of the foam metal and the vapor generating cavity is 0.5~0.7.It can be compared with
Meet vapor-liquid separation well and improves the purpose of outlet steam quality.
The utility model has the beneficial effects that
Liquid distribution is arranged in the high-efficient steam generator based on large area heat transfer of the utility model, the water inlet on shell
Device makes full use of the contact with metal foam so that water flow can be dispersed in foam metal surface after entering housing cavity
Face heat exchange, the thermal efficiency are obviously improved, and finally form uniform, stable, continuous steam in gas outlet.
The high-efficient steam generator based on large area heat transfer of the utility model, U-shaped heater wrap up foam metal, pole outside
The earth increases the heat exchange area of water and heater, it is ensured that can generate steam rapidly, steaming time is short out, small in size, weight
Gently, the upper foam metal is L-type, has the ability for further increasing vapor-gas phase ratio.
The high-efficient steam generator based on large area heat transfer of the utility model, structure is simple, easy to disassemble, can be immediately clear
Clean or replacement foam metal.
The high-efficient steam generator based on large area heat transfer of the utility model, is arranged sewage draining exit, convenient for periodically (3~4
Month, specifically depending on water quality situation) cleaning, significantly improve the service life of the steam generator.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the high-efficient steam generator based on large area heat transfer of the utility model.
Fig. 2 is that the stereochemical structure of the high-efficient steam generator (removing end cap) based on large area heat transfer of the utility model is shown
It is intended to.
In attached drawing:
1, end cap；2, seal groove；3, water inlet；4, upper layer L-type foam metal；5, lower layer's foam metal；6, liquid distribution
Device；7, gas outlet；8, electrode；9, shell；10, U-shaped heater；11, sewage draining exit.
Specific embodiment
As shown in Figure 1, the high-efficient steam generator based on large area heat transfer of the present embodiment includes shell 9, set on shell 9
Water inlet 3, gas outlet 7 and sewage draining exit 11 are set, water inlet 3 is connected with liquid distribution trough 6, and U-shaped heater is arranged in 9 inner cavity of shell
10, electrode 8 is located at 9 outer surface of shell, and U-shaped heater 10 is wrapped in by upper layer L-type foam metal 4 and lower layer's foam metal 5.Shell
Seal groove 2 is arranged in body 9 and 1 junction of end cap, and seal washer is arranged in seal groove 2.
When the work of the steam generator of the present embodiment, water, by liquid distribution trough 6, is evenly spread to from water inlet 3
The surface of layer L-type foam metal 4 and lower layer's foam metal 5, the upper layer L-type foam metal 4 heated by U-shaped heater 10 and lower layer
Foam metal 5 possesses great heat exchange area, so that evenly dispersed water evaporates rapidly, the thermal efficiency is promoted, and high-temperature steam is from out
Port 7 uniformly and stably flows out.
When the steam generator of the present embodiment is in scale removal state, scale removal medium (such as citric acid) passes through liquid by water inlet 3
Body distributor 6 is dispersed in the surface of upper layer L-type foam metal 4 and lower layer's foam metal 5, for cleaning the water on its surface
Dirt, cleaning mixture go downstream, and flow out after sewage draining exit 11.
When the steam generator of the present embodiment is in scale removal, water, by liquid distribution trough 6, is dispersed in by water inlet 3
The surface of foam metal 4 and 5, for cleaning the scale removal medium on its surface, water flow goes downstream, and flows out after sewage draining exit 11.
In conclusion the high-efficient steam generator based on large area heat transfer of the present embodiment has the advantage that (1) shell
On water inlet liquid distribution trough 6 is set so that water flow can be dispersed in foam metal surface after entering 9 inner cavity of shell,
It makes full use of and exchanges heat with the contact surface of foam metal, the thermal efficiency is obviously improved, and is finally formed in gas outlet uniform, stable, continuous
Steam.(2) foam metal is wrapped up outside U-shaped heater 10, greatly increases the heat exchange area of water and heater, it is ensured that can
Steam is generated rapidly, and steaming time is short out, and small in size, light-weight, the upper foam metal is L-type, has and further increases
The ability of vapor-gas phase ratio.(3) overall structure is simple, easy to disassemble, can clean or replace immediately foam metal.(4) it is arranged
Sewage draining exit, convenient for periodically (3~April, specifically depending on water quality situation) cleaning, significantly improve the steam generator uses the longevity
Life.
The utility model is not limited to above-mentioned specific embodiment, and it is not to limit the utility model, all
The mode of equivalent substitution or equivalent transformation technical solution obtained is taken, is all fallen in the protection scope of the utility model.
Claims (8)
1. a kind of high-efficient steam generator based on large area heat transfer, shell and heating including having water inlet and gas outlet
Body, which is characterized in that further include the foam metal for being arranged in shell and being located at below water inlet, be above the foam metal
Vapor generating cavity with gas outlet, the calandria are embedded in the foam metal and carry out steam for heating the foam metal
Occur.
2. the high-efficient steam generator as described in claim 1 based on large area heat transfer, which is characterized in that the housing bottom
Equipped with sewage draining exit.
3. the high-efficient steam generator as described in claim 1 based on large area heat transfer, which is characterized in that the water inlet connects
It connects and is mounted on the intracavitary liquid distribution trough of steam generation.
4. the high-efficient steam generator as described in claim 1 based on large area heat transfer, which is characterized in that the foam metal
It is upwardly extended close to the side of gas outlet and separates the gas outlet and vapor generating cavity in shell.
5. the high-efficient steam generator as described in claim 1 based on large area heat transfer, which is characterized in that the calandria is
U-shaped heater, the foam metal are divided into upper layer and lower layer, and the U-shaped heater is sandwiched between upper and lower two layers of foam metal.
6. the high-efficient steam generator as described in claim 1 based on large area heat transfer, which is characterized in that the foam metal
Using nickel or copper product.
7. the high-efficient steam generator as described in claim 1 based on large area heat transfer, which is characterized in that the top of the shell
The open setting in face, the end cap with sealing top surface.
8. the high-efficient steam generator as described in claim 1 based on large area heat transfer, which is characterized in that the foam metal
Height and the ratio between the height of the vapor generating cavity be 0.5~0.7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868610.7U CN208312341U (en) | 2018-06-06 | 2018-06-06 | A kind of high-efficient steam generator based on large area heat transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820868610.7U CN208312341U (en) | 2018-06-06 | 2018-06-06 | A kind of high-efficient steam generator based on large area heat transfer |
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| Publication Number | Publication Date |
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| CN208312341U true CN208312341U (en) | 2019-01-01 |
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| CN201820868610.7U Active CN208312341U (en) | 2018-06-06 | 2018-06-06 | A kind of high-efficient steam generator based on large area heat transfer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534114A (en) * | 2018-06-06 | 2018-09-14 | 浙江大学 | A kind of high-efficient steam generator based on large area heat transfer |
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2018
- 2018-06-06 CN CN201820868610.7U patent/CN208312341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534114A (en) * | 2018-06-06 | 2018-09-14 | 浙江大学 | A kind of high-efficient steam generator based on large area heat transfer |
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