CN110715379A - Internal heating type multi-wire humidifier and working method thereof - Google Patents
Internal heating type multi-wire humidifier and working method thereof Download PDFInfo
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- CN110715379A CN110715379A CN201911058204.XA CN201911058204A CN110715379A CN 110715379 A CN110715379 A CN 110715379A CN 201911058204 A CN201911058204 A CN 201911058204A CN 110715379 A CN110715379 A CN 110715379A
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- conducting wires
- humidifier
- upper plate
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000007791 dehumidification Methods 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
- F24F6/10—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Humidification (AREA)
Abstract
The invention discloses an internal heating type multi-wire humidifier and a working method thereof, and belongs to the technical field of humidification and dehumidification. This humidifier mainly includes barrel, roof and bottom plate, its characterized in that: an upper plate and a lower plate are arranged between the top plate and the bottom plate inside the cylinder from top to bottom, and a plurality of heat conducting wires are arranged between the upper plate and the lower plate. When liquid enters the humidifier, a good thin liquid film can be formed on the heat conducting wires, the temperature of the liquid film continuously rises along with the falling of gravity, and when air is sprayed out from the bottom, the air can be fully contacted with the thin liquid film to generate heat and mass transfer. According to the invention, the internal heating manner is adopted for humidification, so that the heat can be fully absorbed by the two-phase fluid, the heat exchange efficiency is improved, and the equipment space is simplified; the thin liquid film formed by the heat conducting wires improves the gas-liquid contact area, reduces the pressure drop of fluid and reduces the energy consumption of the system. The humidifier has the advantages of compact and novel structure, high heat exchange efficiency and simple manufacture, and has great significance for energy conservation, emission reduction and industrial upgrading.
Description
Technical Field
The invention relates to the technical field of humidification and dehumidification, in particular to an internal heating type multi-wire humidifier and a working method thereof.
Background
The air temperature and humidity are all important for the fields of industrial production, environmental regulation, living and the like. The humidifier is a humidifying device for effectively adjusting the temperature and the humidity of air, and has attracted high attention of researchers at home and abroad in the coming year. Patent No. CN201510042152.2 discloses a spray humidifier suitable for a humidification and dehumidification seawater desalination system, which has small pressure drop and simple structure, but has low heat exchange efficiency and is not good. CN201611214327.4 and CN201710120233.9 disclose a filler humidifier suitable for use in an evaporation system, which has a good contact area and a high mass transfer efficiency, but also a large pressure drop. And the above humidifiers adopt external heating type energy supply, the occupied area of the equipment is large, and the manufacture is complex.
Under the large background of energy conservation and emission reduction and industrial upgrading, how to improve the heat exchange efficiency of the humidifier, reduce energy consumption and accelerate equipment upgrading is an urgent problem to be solved.
Disclosure of Invention
The invention provides an internal heating type multi-wire humidifier with compact and novel structure, high heat exchange efficiency and low pressure drop and a working method thereof aiming at the defects of the existing humidifier.
The utility model provides an internal heating formula multifilament humidifier, mainly includes the barrel, and the barrel has roof and bottom plate, its characterized in that:
the center of the top plate is provided with a liquid inlet, and the center of the bottom plate is provided with a liquid outlet;
the wall surface of the upper part of the cylinder body is respectively provided with an air outlet and a power supply interface from top to bottom;
the wall surface of the lower part of the cylinder body is symmetrically provided with a plurality of air inlets;
an upper plate and a lower plate are arranged between the top plate and the bottom plate from top to bottom in the cylinder; the upper plate and the power interface are positioned at the same height, and the lower plate is positioned between the air inlet and the bottom plate;
a plurality of nozzles and a plurality of gas channel pipes are distributed on the upper plate;
the lower plate is of a boss structure, a bottom platform is arranged below the lower plate, and a high platform is arranged above the lower plate; the bottom platform is provided with a plurality of liquid outlet holes, and the high platform is provided with a plurality of heat conducting wires; the heat conducting wires are fixed with the nozzles in a one-to-one correspondence manner.
The internal heating type multi-wire humidifier is characterized by comprising the following working processes: firstly, electrifying the heat-conducting wire through a power supply interface, raising the temperature of the heat-conducting wire and radiating heat to the interior of the cylinder; liquid enters the upper plate from a liquid inlet at the top of the cylinder body and is sprayed onto the heat-conducting wires through the nozzles to form a liquid film, the tension of the heat-conducting wires is provided by the lower plate and the upper plate, and the liquid film is heated while descending; air enters the cylinder from the air inlet and directly contacts with the high-temperature liquid film in the rising process to generate a heat and mass transfer process, and the high-temperature and high-humidity wet air is discharged from the air outlet through the gas channel pipe; the liquid film after heat exchange with the wet air flows onto the lower plate along the heat conducting wires, is collected to the bottom of the barrel through the liquid outlet hole, and is finally discharged from the liquid outlet, so that the humidification process is realized.
The internal heating type multi-wire humidifier has the advantages of compact and novel structure, high heat exchange efficiency, low pressure drop and simple and convenient manufacture. After liquid enters the humidifier, a good thin liquid film can be formed on the heat conducting wires, the temperature of the liquid is continuously increased along with the decrease of gravity, and a precondition is prepared for water evaporation. When the air is sprayed out from the bottom, the air can be fully contacted with the thin liquid film, and heat and mass transfer are carried out, so that the temperature and the humidity are continuously increased, and finally the air is discharged from the top. The internal heating mode for humidification can ensure that the heat is fully absorbed by the two-phase fluid, thereby not only improving the heat exchange efficiency, but also simplifying the equipment space; the liquid film formed by the heat conducting wires improves the gas-liquid contact area, reduces the fluid pressure drop and the system energy consumption, and has great significance for energy conservation, emission reduction and industrial upgrading.
The internal heating type multi-wire humidifier is characterized in that: the upper plate is of a disc structure; the nozzles are uniformly distributed in a ring shape or a square shape; the gas channel pipes are uniformly distributed in an annular shape so as to meet the requirement of uniform contact of gas and liquid in the cylinder and efficient heat exchange.
The internal heating type multi-wire humidifier is characterized in that: because the liquid entering the cylinder body is sprayed onto the heat-conducting wires from the nozzles uniformly distributed on the upper plate to form a liquid film, a certain liquid height exists on the upper plate, and the upper plate is required to extend above the gas channel pipe in order to prevent the liquid from the liquid inlet outlet and the liquid on the upper plate from blocking a steam channel.
The internal heating type multi-wire humidifier is characterized in that: the liquid outlet holes are uniformly distributed in a circular shape, so that the liquid collected from the heat conducting wires can be uniformly discharged.
The internal heating type multi-wire humidifier is characterized in that: in order to form a good liquid film on the heat-conducting wires and to humidify air quickly and effectively, the structure of the heat-conducting wires is preferably a stranded structure, the material is preferably metal, the outer diameter is preferably 0.2-1.0mm, and the spacing is preferably 15-30 times of the outer diameter.
Drawings
Fig. 1 is a schematic structural view of the proposed internally heated multi-wire humidifier;
fig. 2 is a top view of the proposed internally heated multi-wire humidifier;
FIG. 3 is an enlarged partial view of the upper plate of the humidifier;
FIG. 4 is an enlarged partial view of the lower plate of the humidifier;
FIG. 5 is a schematic view of a square arrangement of nozzles on the upper plate of the humidifier;
fig. 6 is a schematic view of the annular arrangement of the nozzles of the upper plate of the humidifier.
Number designation in the figures: 1-a cylinder body; 2-an air inlet; 3-lower plate; 4-a liquid outlet; 5-liquid outlet holes; 6-heat conducting wires; 7-a nozzle; 8-a gas passage tube; 9-air outlet; 10-liquid inlet; 11-a power interface; 12-upper plate; 13-a top plate; 14-base plate
Detailed description of the invention
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is made with reference to fig. 1, 2, 3, and 4.
The specific implementation method of the invention is as follows: firstly, electrifying the heat-conducting wire 6 through the power interface 11, raising the temperature of the heat-conducting wire 6 and radiating heat to the interior of the cylinder 1; liquid enters an upper plate 12 from a liquid inlet 10 at the top of the cylinder 1 and is sprayed onto the heat-conducting wires 6 through a nozzle 7 to form a liquid film, the tension of the heat-conducting wires 6 is provided by a lower plate 3 and the upper plate 12, and the liquid film is heated while descending; air enters the cylinder body 1 from the air inlet 2, directly contacts with a high-temperature liquid film in the rising process to generate a heat and mass transfer process, and high-temperature and high-humidity wet air is discharged from the air outlet 9 through the gas channel pipe 8; the liquid film after heat exchange with the wet air flows onto the lower plate 3 along the heat conducting wires 6, is collected to the bottom of the cylinder body 1 through the liquid outlet 5, and is finally discharged from the liquid outlet 4, so that the humidification process is realized.
It should be noted that the same scaling of the structure of the present invention is also within the scope of the present invention, and when implementing the internal heating type multi-wire humidifier proposed by the present invention, the flow rate and the flow rate of the nozzle are particularly noticed, the film forming flow rate is ensured, and the gas flow rate is adjusted according to the liquid film flow rate, so as to achieve efficient humidification.
Claims (6)
1. An internal heating type multi-wire humidifier mainly comprises a barrel body (1), wherein the barrel body (1) is provided with a top plate (13) and a bottom plate (14), and is characterized in that:
the center of the top plate (13) is provided with a liquid inlet (10), and the center of the bottom plate (14) is provided with a liquid outlet (4);
the wall surface of the upper part of the cylinder body (1) is respectively provided with an air outlet (9) and a power supply interface (11) from top to bottom;
a plurality of air inlets (2) are symmetrically arranged on the wall surface of the lower part of the cylinder body (1);
an upper plate (12) and a lower plate (3) are arranged between the top plate (13) and the bottom plate (14) from top to bottom in the cylinder body (1); the upper plate (12) and the power interface (11) are positioned at the same height, and the lower plate (3) is positioned between the air inlet (2) and the bottom plate (14);
a plurality of nozzles (7) and a plurality of gas channel pipes (8) are distributed on the upper plate (12);
the lower plate (3) is of a boss structure, a bottom platform is arranged below the lower plate, and a high platform is arranged above the lower plate; the bottom platform is provided with a plurality of liquid outlet holes (5), and the high platform is provided with a plurality of heat conducting wires (6); the heat conducting wires (6) are fixed with the nozzles in a one-to-one correspondence manner.
2. The internally heated multi-wire humidifier according to claim 1, wherein:
the upper plate (12) is in a disc structure;
the nozzles (7) are uniformly distributed in a ring shape or a square shape;
the gas channel pipes (8) are uniformly distributed in a ring shape.
3. The internally heated multi-wire humidifier according to claim 1, wherein:
an upper plate (12) extends above the gas passage pipe (8).
4. The internally heated multi-wire humidifier according to claim 1, wherein:
the liquid outlet holes (5) are uniformly distributed in a circular shape.
5. An internally heated multi-wire humidifier according to claim 1, wherein:
the heat conducting wires (6) are of stranded wire structures, are made of metal, have the outer diameter of 0.2-1.0mm, and have the spacing of 15-30 times of the outer diameter.
6. The operating method of an internally heated multiline humidifier according to claim 1, characterized by comprising the following operation processes:
firstly, electrifying the heat-conducting wires (6) through a power interface (11), raising the temperature of the heat-conducting wires (6) and dissipating heat to the interior of the cylinder body (1); liquid enters an upper plate (12) from a liquid inlet (10) at the top of the cylinder body (1) and is sprayed onto the heat-conducting wires (6) through a nozzle (7) to form a liquid film, the tension of the heat-conducting wires (6) is provided by a lower plate (3) and the upper plate (12), and the liquid film is heated while descending; air enters the cylinder body (1) from the air inlet (2), directly contacts with a high-temperature liquid film in the rising process to generate a heat and mass transfer process, and high-temperature and high-humidity wet air is discharged from the air outlet (9) through the gas channel pipe (8); the liquid film after heat exchange with the wet air flows onto the lower plate (3) along the heat conducting wires (6), is collected to the bottom of the cylinder body (1) through the liquid outlet hole (5), and is finally discharged from the liquid outlet (4), so that the humidification process is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911058204.XA CN110715379A (en) | 2019-11-01 | 2019-11-01 | Internal heating type multi-wire humidifier and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911058204.XA CN110715379A (en) | 2019-11-01 | 2019-11-01 | Internal heating type multi-wire humidifier and working method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110715379A true CN110715379A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911058204.XA Pending CN110715379A (en) | 2019-11-01 | 2019-11-01 | Internal heating type multi-wire humidifier and working method thereof |
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| Country | Link |
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| CN (1) | CN110715379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112856654A (en) * | 2021-01-25 | 2021-05-28 | 南京航空航天大学 | Liquid drop and liquid film coupled rotational flow humidifier and humidification method |
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2019
- 2019-11-01 CN CN201911058204.XA patent/CN110715379A/en active Pending
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| JP2009180402A (en) * | 2008-01-29 | 2009-08-13 | Tokyo Electric Power Co Inc:The | Humidifier, heat exchanger, and humidifying method |
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| US20110247494A1 (en) * | 2009-06-25 | 2011-10-13 | VTU Holding GmbH. | Liquid sorbant, method of using a liquid sorbant, and device for sorbing a gas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112856654A (en) * | 2021-01-25 | 2021-05-28 | 南京航空航天大学 | Liquid drop and liquid film coupled rotational flow humidifier and humidification method |
| CN112856654B (en) * | 2021-01-25 | 2022-04-08 | 南京航空航天大学 | Liquid drop and liquid film coupled rotational flow humidifier and humidification method |
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Application publication date: 20200121 |