CN113464914A - Spray adsorption type steam generating device and application thereof - Google Patents
Spray adsorption type steam generating device and application thereof Download PDFInfo
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- CN113464914A CN113464914A CN202110725268.1A CN202110725268A CN113464914A CN 113464914 A CN113464914 A CN 113464914A CN 202110725268 A CN202110725268 A CN 202110725268A CN 113464914 A CN113464914 A CN 113464914A
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 35
- 239000007921 spray Substances 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 230000005855 radiation Effects 0.000 claims abstract description 25
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 239000003595 mist Substances 0.000 claims abstract description 22
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 239000008399 tap water Substances 0.000 claims description 4
- 235000020679 tap water Nutrition 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000010409 ironing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000008213 purified water Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000006262 metallic foam Substances 0.000 claims 1
- 238000009835 boiling Methods 0.000 abstract description 10
- 238000012546 transfer Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 4
- 230000006866 deterioration Effects 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
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
- F22B1/287—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in sprays or in films
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air Humidification (AREA)
Abstract
The invention relates to a spray adsorption type steam generating device, which comprises a working bin and a spraying adsorption type steam generating device arranged in the working bin, wherein the spraying adsorption type steam generating device comprises: the water mist spraying unit is used for forming atomized liquid drops; the metal porous adsorption unit is used for capturing atomized liquid drops and absorbing heat radiation; the high-temperature radiation heating unit is arranged opposite to the water mist spraying unit; atomized liquid drops formed by the water mist spraying unit impact the surface of the metal porous adsorption unit and are diffused to the whole metal porous adsorption unit, and after the heat radiation is absorbed, part of water is evaporated to be steam. The device can quickly obtain steam, including high-temperature steam and low-temperature steam; the steam quantity can be controlled by the nozzle flow according to the requirement, and water accumulation is avoided; boiling phase change occurs in the metal porous medium layer, so that heat transfer deterioration caused by film boiling is avoided; the liquid does not directly contact the heating surface, and the scale deposits in the metal porous medium layer and does not cover the heating surface to influence heat transfer.
Description
Technical Field
The invention relates to the technical field of steam generation, in particular to a spray adsorption type steam generating device and application thereof.
Background
The steam generating device is an indispensable device in food processing, disinfection and sterilization in food machinery industry, ironing in textile industry and biological equipment industry. With the widespread use of steam generating devices in various industries, the production of a wide variety of steam generating devices has also been facilitated.
Existing steam generating devices can be classified into the following types: (1) and (2) dry type: the water flows in the pipe, the heating medium is arranged outside the pipe, liquid water is arranged at the inlet of the pipe, high-temperature flue gas and electromagnetic induction eddy current heat can be selected as heat sources, and after the water is heated by the heating medium, steam is completely generated at the outlet, for example, a direct injection type household steam oven; (2) and (3) full liquid type: the heating pipe or heating plate is arranged in the water storage tank and the water pipe, a steam disc supplied with water from an external water tank is sometimes heated to generate steam, and the heat source can be joule heat and the like, such as an electric heating wire and a ceramic heating plate.
Although the steam generating device is mature to be applied to a specific field, as the water source used by the generating device does not pass through the water purifying device, for example, tap water is directly introduced, the surface of the heating resistance wire is easy to scale, and the heat exchange of the heating resistance wire is seriously influenced; on the other hand, no matter adopt traditional heat source, new heat sources such as still electromagnetism, all need heat the boiling point with the inside a large amount of liquid of steam generator, very consuming time, steam production efficiency is not high, if can not detect liquid surplus in time, then has the risk of dry combustion method, damage heating device moreover.
In addition, the flooded type has the defects of large steam generation amount, uncontrollable steam amount, no separation of water and electricity when resistance heating is adopted, the hidden danger of electric leakage caused by corrosion or breakdown of a medium exists, and non-contact heating such as thermal radiation has limited requirements on radiation wavelength, thickness of a heated water body and the like, the cost is relatively high, the structure is complex, and once the heating is damaged, the maintenance is troublesome.
Patent CN205245123U discloses a spray-type steam generator, which comprises an upper header and a tube bank arranged from top to bottom in a communicating manner, and a spray device arranged in the upper header; the spraying device is connected with a water source and is used for supplying water in a spraying mode; the tube bank is connected with the upper header through the interface to be communicated with the interior of the upper header, and is used for vaporizing the water sprayed by the spraying device to generate steam when the tube bank is heated. Patent CN108050501A discloses a vertical steam generator of inside fountain induction heating, spray set in its barrel, with water through spraying atomizing treatment after, shorten steam output time, nevertheless there is the condition that causes the heat transfer to worsen because the film boiling, in addition, the easy deposit of incrustation scale heats the surface, easily hinders heat transfer, reduce efficiency.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a spray adsorption type steam generator which can rapidly generate steam, has a simple structure, and is easily removed after scaling, and is easily cleaned, and an application thereof.
The utility model provides a spray absorption formula steam generator, the device includes a working bin and locates the working bin:
the water mist spraying unit is used for forming atomized liquid drops;
the metal porous adsorption unit is used for capturing atomized liquid drops and absorbing heat radiation;
the high-temperature radiation heating unit is arranged opposite to the water mist spraying unit;
atomized liquid drops formed by the water mist spraying unit impact the surface of the metal porous adsorption unit and are diffused to the whole metal porous adsorption unit, and after the heat radiation is absorbed, part of water is evaporated to be steam.
The invention has two advantages: firstly, a metal porous medium layer is adopted to adsorb water drops and then heated to boil, and boiling phase change occurs in the metal porous medium layer, so that heat transfer deterioration caused by film boiling is avoided; secondly, the liquid drops absorbed by the metal porous medium layer are heated in a range by adopting a graphite sheet-quartz glass tube through thermal radiation, a water body does not directly contact with a heating surface, and water scale is deposited in the metal porous medium layer and does not cover the heating surface to obstruct heat transfer.
Further, the atomized liquid drops formed by the water mist spraying unit have certain initial speed.
Further, the water mist spraying unit comprises a water tank, a water delivery pipe connected with the water tank and a plurality of groups of nozzles which are arranged on the water delivery pipe and used for generating mist-shaped liquid drops.
Furthermore, the number of the holes of the spray head is more than 200, and the hole diameter ranges from 1 to 500 mu m. The spray head aims at spraying mist liquid drops, and the spray angle range is as large as possible so as to fully cover the metal porous adsorption unit.
Furthermore, the material of the spray head is metal, including brass and stainless steel.
Further, the metal porous adsorption unit is a metal mesh or a foam metal made of stainless steel or aluminum alloy.
Further, the surface temperature of the high-temperature radiation heating unit is 100-900 ℃.
Further, the high-temperature radiation heating unit is a graphite-quartz glass heater and is heated in an electric control heating mode. Other types of optical and microwave type radiant heaters are also within the principles of the present invention.
Furthermore, the installation position of the high-temperature radiation heating unit is arranged on the side surface or the bottom of the working bin, and a fan is arranged on the side surface to conduct drainage on steam, so that the steam is uniformly positioned in the working bin.
Further, the water source of the water mist spraying unit comprises tap water and purified water.
The device is used for generating high-temperature steam and is used for food processing, food mechanical disinfection and sterilization, textile ironing and biological equipment.
The invention provides a spray adsorption type steam generating device, which has the following principle: the micro liquid drops atomized by the spray head impact and are adsorbed in the metal porous medium layer, and after absorbing heat radiation, the micro liquid drops can be quickly changed into steam including high-temperature steam and low-temperature steam compared with the traditional method of directly heating a large amount of liquid; the steam quantity can be controlled by the nozzle according to the requirement, no water accumulation is generated, the boiling phase change occurs in the metal porous medium layer, and the heat transfer deterioration caused by film boiling is avoided; the water body does not directly contact the heating surface, and water scale is deposited in the metal porous medium layer and cannot cover the heating surface to influence heat transfer.
Compared with the prior art, the invention has the following advantages:
1. only a little water is heated once, the steam can be discharged instantly without lag, and preheating is not needed
2. The steam quantity (spraying speed) and the temperature (heating plate temperature) are independent, and the steam dryness can be independently regulated and controlled according to different working conditions (such as food types of a kitchen electric steaming oven)
3. Boiling phase change occurs in pores in the metal porous medium layer, so that heat transfer deterioration caused by film boiling is avoided
4. Unlike boiler type steam generator, scale is deposited in the metal porous medium layer and does not cover the heating surface to influence heat transfer
Drawings
FIG. 1 is a schematic view of an embodiment of a steam generator according to the present invention;
drawing reference numbers: 1-a working bin; 2-a water tank; 3-a water delivery pipe and 4-a spray head; 5-mist liquid drops; 6-a metal porous medium layer; 7-straight tube type graphite-quartz glass heater; 8-water vapor; 9-exhaust port
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
Referring to fig. 1, a spray adsorption type steam generator comprises a working chamber 1 and a water mist spray unit arranged in the working chamber for forming atomized liquid droplets; the metal porous adsorption unit is used for capturing atomized liquid drops and absorbing heat radiation; and the high-temperature radiation heating unit is arranged opposite to the water mist spraying unit and heats liquid in the metal porous adsorption unit through thermal radiation. Atomized liquid drops formed by the water mist spraying unit impact the surface of the metal porous adsorption unit and are diffused to the whole metal porous adsorption unit, and after the heat radiation is absorbed, part of water is evaporated to form water vapor 8.
As a specific implementation mode, the water mist spraying unit comprises a water tank 2, a water delivery pipe 3 connected with the water tank 2 and a plurality of groups of spray heads 4 arranged on the water delivery pipe 3 and used for generating mist-shaped liquid drops, wherein the number of holes of the spray heads 4 is more than 200, and the hole diameter range is 1-500 mu m. The nozzle 4 is made of metal, including brass and stainless steel. The ejection head 4 is aimed at ejecting the mist-like liquid droplets 5 with an ejection angle range as large as possible to sufficiently cover the porous metal adsorption unit. The water source of the water mist spraying unit can adopt tap water or purified water.
The metal porous medium layer 6 is made of metal mesh or foam metal made of stainless steel or aluminum alloy, can quickly capture the mist-shaped liquid drops 5 from the spray head 4, and transports the liquid drops to the whole porous medium layer under the driving of capillary action.
The high-temperature radiation heating unit 7 is a straight tube type graphite-quartz glass heater, the installation position is arranged at the bottom of the working bin, and the size is determined according to specific application equipment. The graphite flake (tube) is electrified and heated to 100-900 ℃, and the power of the graphite flake is adjusted to obtain certain heat radiation released outwards.
After absorbing the heat radiation, the liquid absorbed in the metal porous unit 6 becomes water vapor 8, the pressure in the working bin 1 increases, and the water vapor 8 is led out from the exhaust port 9.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a spray absorption formula steam generator, its characterized in that, the device include a working bin and locate the working bin:
the water mist spraying unit is used for forming atomized liquid drops;
the metal porous adsorption unit is used for capturing atomized liquid drops and absorbing heat radiation;
the high-temperature radiation heating unit is arranged opposite to the water mist spraying unit;
atomized liquid drops formed by the water mist spraying unit impact the surface of the metal porous adsorption unit and are diffused to the whole metal porous adsorption unit, and after the heat radiation is absorbed, part of water is evaporated to be steam.
2. The spray adsorption steam generator of claim 1, wherein the atomized droplets formed by the water mist spray unit have an initial velocity.
3. The spray adsorption type steam generator according to claim 1, wherein the water mist spray unit comprises a water tank, a water delivery pipe connected with the water tank, and a plurality of groups of nozzles mounted on the water delivery pipe for generating mist-like liquid droplets.
4. The spray adsorption type steam generator as claimed in claim 3, wherein the number of the holes of the spray head is more than 200, and the diameter of the holes is in the range of 1-500 μm.
5. The spray adsorption type steam generator of claim 3, wherein the nozzle is made of metal, including brass and stainless steel.
6. The spray adsorption type steam generator according to claim 1, wherein the metal porous adsorption unit is a metal mesh or a metal foam made of stainless steel or aluminum alloy.
7. The spray adsorption type steam generator according to claim 1, wherein the surface temperature of the high temperature radiation heating unit is 100 to 900 ℃.
8. The spray adsorption type steam generator according to claim 7, wherein the high temperature radiation heating unit is a graphite-quartz glass heater, and is heated by an electric control heating mode, and the installation position is arranged on the side surface or the bottom of the working chamber.
9. The spray adsorption steam generator of claim 1, wherein the water source of the water mist spray unit comprises tap water and purified water.
10. The use of a spray adsorption steam generator as claimed in claim 1 for generating high temperature steam for food processing, food machine sterilization, textile ironing, and biological equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110725268.1A CN113464914A (en) | 2021-06-29 | 2021-06-29 | Spray adsorption type steam generating device and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110725268.1A CN113464914A (en) | 2021-06-29 | 2021-06-29 | Spray adsorption type steam generating device and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113464914A true CN113464914A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110725268.1A Pending CN113464914A (en) | 2021-06-29 | 2021-06-29 | Spray adsorption type steam generating device and application thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202630009U (en) * | 2012-04-16 | 2012-12-26 | 沈阳工程学院 | Steam generator without hot water accumulation layer |
| WO2014039296A1 (en) * | 2012-09-04 | 2014-03-13 | Micropyretics Heaters International, Inc. | One atmosphere boiler instant superheated steam apparatus and method |
| CN204477997U (en) * | 2015-02-17 | 2015-07-15 | 张家口轩昊新能源科技有限公司 | A kind of atomizing electromagnetic induction steam generator |
| CN104860462A (en) * | 2015-04-29 | 2015-08-26 | 昆明理工大学 | Equipment and application method of microwave purification treatment for heavy metal ion containing wastewater |
| CN204962694U (en) * | 2015-09-14 | 2016-01-13 | 常州市新港热电有限公司 | Atomizing adds hot type steam generator |
| CN213513840U (en) * | 2020-09-10 | 2021-06-22 | 浙江立晶新型材料开发有限公司 | Steam generator |
-
2021
- 2021-06-29 CN CN202110725268.1A patent/CN113464914A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202630009U (en) * | 2012-04-16 | 2012-12-26 | 沈阳工程学院 | Steam generator without hot water accumulation layer |
| WO2014039296A1 (en) * | 2012-09-04 | 2014-03-13 | Micropyretics Heaters International, Inc. | One atmosphere boiler instant superheated steam apparatus and method |
| CN204477997U (en) * | 2015-02-17 | 2015-07-15 | 张家口轩昊新能源科技有限公司 | A kind of atomizing electromagnetic induction steam generator |
| CN104860462A (en) * | 2015-04-29 | 2015-08-26 | 昆明理工大学 | Equipment and application method of microwave purification treatment for heavy metal ion containing wastewater |
| CN204962694U (en) * | 2015-09-14 | 2016-01-13 | 常州市新港热电有限公司 | Atomizing adds hot type steam generator |
| CN213513840U (en) * | 2020-09-10 | 2021-06-22 | 浙江立晶新型材料开发有限公司 | Steam generator |
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Application publication date: 20211001 |
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