CN108397838B - Dehumidification circulation method - Google Patents
Dehumidification circulation method Download PDFInfo
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- CN108397838B CN108397838B CN201810191693.5A CN201810191693A CN108397838B CN 108397838 B CN108397838 B CN 108397838B CN 201810191693 A CN201810191693 A CN 201810191693A CN 108397838 B CN108397838 B CN 108397838B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1417—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with liquid hygroscopic desiccants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1458—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification using regenerators
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a dehumidification circulation method, and relates to the field of dehumidification; the dehumidifying and water-absorbing device is applied to a closed circulation loop formed by sequentially connecting a dehumidifier, a heater, a regenerator and a cooler in the shallow underground, wherein the heater and the regenerator are used for concentrating a dehumidifying solution after dehumidifying and water absorbing, and the cooler is used for cooling the concentrated dehumidifying solution; the invention has the beneficial effects that: the dehumidifier, the heater, the regenerator and the cooler are connected in sequence to form a closed circulation loop, and the dehumidifying solution can be recycled; the high temperature that flows out the regenerator just has the dehumidification solution of certain concentration and introduces shallow underground cooler, utilizes geothermal energy to make the temperature of dehumidification solution drop to the comfortable temperature of human sensation, and the dehumidification solution that reaches the requirement at last flows in the dehumidifier and carries out the heat transfer mass transfer with the air, and it is indoor to obtain the air inflow that dry and temperature are suitable, utilizes the consumption of the energy that has significantly reduced of geothermal energy, has energy-concerving and environment-protective effect.
Description
The application is a divisional application of the invention patent application 'a dehumidification regeneration circulation system'.
Application date of the original case: 2016-04-29.
Original application No.: 2016102785227.
the name of the original invention is: a dehumidification regeneration circulation system.
Technical Field
The invention discloses a dehumidification circulation method and relates to the field of dehumidification.
Background
In 2013, the building energy consumption of China is about 10.5 hundred million tons of standard coal, which accounts for about 28% of the energy consumption of the whole society. The energy consumption of the air conditioner accounts for about 50% of the energy consumption of the building. In most areas of China, the humidity is high in temperature and humidity in summer, and particularly in south China, the dehumidification energy consumption occupies 20% -40% of the total energy consumption in the duty regulation mode, so that the humidity control system is one of the core components of the energy consumption of the air conditioner. Designing an efficient and energy-saving air conditioning dehumidification system is an urgent need for future social development.
There are many methods for air dehumidification, including cooling dehumidification, liquid absorption dehumidification, solid adsorption dehumidification, electrochemical dehumidification, etc. Among them, the liquid absorption dehumidification technology has received much attention because of its advantages such as high dehumidification efficiency and no liquid water condensation. The traditional liquid dehumidification equipment is easy to cause the air to carry solution droplets and enter an air-conditioned room, so that the health of indoor personnel, building structures and household articles are damaged. The hollow fiber membrane liquid dehumidifying system effectively solves the problem of liquid entrainment.
The utility model discloses a utility model with publication number CN201445903U provides a non-contact liquid dehumidifier, and it utilizes multiple baffling board to make the stroke that humid air and hollow fiber membrane surface contact increase in the shell, reaches the purpose of dehumidification. But it greatly increases the structural resistance and the fan energy consumption. The invention of publication No. CN102430323A discloses an indoor dehumidifying device, in which a dry air is introduced into an air outlet for taking out water vapor permeated from a hollow fiber membrane to the outside. Greatly reducing the working efficiency.
Disclosure of Invention
In summary, in order to overcome the deficiencies of the prior art, the present invention provides a dehumidification cycle method.
The technical scheme for solving the technical problems is as follows: a dehumidification regeneration circulation system comprises a closed circulation loop formed by sequentially connecting a dehumidifier, a heater, a regenerator and a cooler below a shallow layer; the heater and the regenerator are used for concentrating the dehumidifying solution after dehumidification and water absorption, and the cooler is used for cooling the concentrated dehumidifying solution;
the dehumidifier comprises a cylindrical dust cover which is hollow inside and made of a breathable material, a plurality of moisture-removing hollow fiber membrane tubes and a cylindrical flow equalizing tube, wherein a first blocking plate and a second blocking plate which are disc-shaped and used for closing openings are respectively arranged at openings at two ends of the dust cover;
a first shell covering the first blocking plate is arranged on the outer side of the first blocking plate, and a closed first cavity for adding a dehumidifying solution is formed between the inner wall of the first shell and the first blocking plate; a second shell covering the second blocking plate is arranged on the outer side of the second blocking plate, and a closed second cavity is formed between the inner wall of the second shell and the second blocking plate; the dehumidification hollow fiber membrane tube and the flow equalizing tube are both positioned in the dust cover; the dehumidifying hollow fiber membrane tubes are annularly distributed between the first blocking plate and the second blocking plate, and two ends of the dehumidifying hollow fiber membrane tubes are respectively communicated with the first cavity and the second cavity;
a gap for passing damp air is reserved between the adjacent dehumidifying hollow fiber membrane tubes, the flow equalizing tube is positioned in the center between the first blocking plate and the second blocking plate, one end of the flow equalizing tube is closed by the first blocking plate, the other end of the flow equalizing tube extends to the second blocking plate, passes through the second blocking plate and then penetrates out of the second shell to be communicated with the room; the end part of the flow equalizing pipe, which is positioned outside the second shell, is internally provided with a fan, through holes are uniformly distributed on the side wall of the flow equalizing pipe, and the gap is communicated with an air channel inside the flow equalizing pipe through the through holes.
The invention has the beneficial effects that: the dehumidifier, the heater, the regenerator and the cooler are connected in sequence to form a closed circulation loop, and the dehumidifying solution can be recycled; the flow equalizing pipes are arranged in the middle of the hollow fiber membrane pipes, moist air can uniformly flow through the surfaces of the hollow fiber membrane pipes from the periphery to perform dehumidification, the structure is simple, the air flow resistance is reduced, and the dehumidification efficiency is improved; the high temperature that flows out the regenerator just has the dehumidification solution of certain concentration and introduces shallow underground cooler, utilizes geothermal energy to make the temperature of dehumidification solution drop to the comfortable temperature of human sensation, and the dehumidification solution that reaches the requirement at last flows in the dehumidifier and carries out the heat transfer mass transfer with the air, and it is indoor to obtain the air inflow that dry and temperature are suitable, utilizes the consumption of the energy that has significantly reduced of geothermal energy, has energy-concerving and environment-protective effect.
On the basis of the technical scheme, the invention can be further improved as follows:
further, the dust cover is divided into an upper half part and a lower half part which are hinged together, and the upper half part can be turned upwards around the lower half part.
The beneficial effect of adopting the further technical scheme is as follows: the dust cover is convenient to open, and the dehumidifying hollow fiber membrane tube is cleaned.
Further, the regenerator comprises a hollow regenerator shell and a regenerated hollow fiber membrane tube, a third blocking plate and a fourth blocking plate are respectively arranged on two sides in the regenerator shell, the inner wall of one end, close to the third blocking plate, of the third blocking plate and the regenerator shell forms a closed third cavity, the inner wall of one end, close to the fourth blocking plate, of the fourth blocking plate and the regenerator shell forms a closed fourth cavity, an air inlet is arranged on the side wall of the regenerator shell and corresponds to the position between the third cavity and the fourth cavity, the air inlet is communicated with the inside of the regenerator shell, an air outlet is arranged on the side wall of the regenerator shell and corresponds to the position between the air inlet through the inner cavity of the regenerator shell, the regenerated hollow fiber membrane tube is positioned between the third blocking plate and the fourth blocking plate, the regenerated hollow fiber membrane tube communicates the third cavity with the fourth cavity, the second cavity is connected through a first pipeline to pass through the third cavity, a heater for heating the dehumidifying solution after water absorption is arranged on the first pipeline, the fourth cavity is communicated with the inlet of the cooler through a second pipeline, and the outlet of the cooler is communicated with the first cavity through a third pipeline.
Further, the air inlet is located in the middle of the side wall of the regenerator housing, the air outlet comprises a first air outlet and a second air outlet, the first air outlet is located on the side wall of the regenerator housing and close to the third cavity, and the second air outlet is located on the side wall of the regenerator housing and close to the fourth cavity.
The beneficial effect of adopting the further technical scheme is as follows: the problem that the moisture of the air near the outlet cannot be continuously absorbed due to the fact that the air of the regenerator only with a single inlet and outlet has only one stroke in the stroke is solved, and the regeneration efficiency of the dehumidifying solution is improved.
Further, the size of the air inlet is larger than that of the first air outlet or the second air outlet.
Further, regenerator shells inner wall is last and correspond the both sides of air intake are equipped with the first baffler of inside extension respectively regenerator shells inner wall is last and to correspond first air outlet, keep away from one side of third closure plate is equipped with the second baffler of inside extension regenerator shells inner wall is last and to correspond the second air outlet, keep away from one side of fourth closure plate is equipped with the third baffler of inside extension.
The beneficial effect of adopting the further technical scheme is as follows: the travel of the air in the regenerator is increased, and the regeneration efficiency of the dehumidifying solution is improved.
Furthermore, the cooler is a plurality of sections of U-shaped copper pipes which are sequentially communicated, wherein the U-shaped copper pipe at one end is communicated with the fourth cavity, and the other end is communicated with the first cavity.
The beneficial effect of adopting the further technical scheme is as follows: the bent copper pipe structure reduces the length and size, increases the heat exchange area and improves the heat exchange efficiency.
Furthermore, a valve for opening or closing the third pipeline is arranged on the third pipeline.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the dust cap when open;
figure 3 is a schematic view of the structure of the flow equalizer,
FIG. 4 is a schematic view of the assembly of the first closure plate, the second closure plate and the dehumidified hollow fiber membrane tube;
fig. 5 is a schematic view of the structure of the cooler.
In the drawings, the components represented by the respective reference numerals are listed below:
1 heater, 2 coolers, 3 dust covers, 4 dehumidification hollow fiber membrane tubes, 5 flow equalizing tubes, 6 first plugging plates, 7 second plugging plates, 8 first shells, 9 first cavities, 10 second shells, 11 second cavities, 12 gaps, 13 fans, 14 through holes, 15 regenerator shells, 16 regeneration hollow fiber membrane tubes, 17 third plugging plates, 18 fourth plugging plates, 19 third cavities, 20 fourth cavities, 21 air inlets, 22 first pipelines, 23 second pipelines, 24 third pipelines, 25 first air outlets, 26 second air outlets, 27 first baffle plates, 28 second baffle plates, 29 third baffle plates and 30 valves.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, a dehumidification regeneration circulation system comprises a closed circulation loop formed by sequentially connecting a dehumidifier, a heater 1, a regenerator and a cooler 2 under a shallow layer; the heater 1 with the regenerator is used for concentrating the dehumidification solution after the dehumidification is absorbed water, the cooler 2 is used for cooling the concentrated dehumidification solution, and specifically as follows:
the dehumidifier comprises a hollow dust cover 3 made of breathable materials, a plurality of dehumidifying hollow fiber membrane tubes 4 and a cylindrical flow equalizing tube 5, wherein openings at two ends of the dust cover 3 are respectively provided with a first blocking plate 6 and a second blocking plate 7 which are used for sealing the openings and are disc-shaped, the outer side of the first blocking plate 6 is provided with a first shell 8 which covers the first blocking plate 6, a first closed cavity 9 which is used for adding dehumidifying solution is formed between the inner wall of the first shell 8 and the first blocking plate 6, the outer side of the second blocking plate 7 is provided with a second shell 10 which covers the second blocking plate 7, and a second closed cavity 11 is formed between the inner wall of the second shell 10 and the second blocking plate 7. As shown in fig. 3, the dehumidifying hollow fiber membrane tube 4 and the flow equalizing tube 5 are both located in the dust cover 3, the dehumidifying hollow fiber membrane tube 4 is annularly distributed between the first blocking plate 6 and the second blocking plate 7, and both ends of the dehumidifying hollow fiber membrane tube 4 are respectively communicated with the first cavity 9 and the second cavity 11, a gap 12 for passing through humid air is reserved between the adjacent dehumidifying hollow fiber membrane tubes 4, the flow equalizing tube 5 is located at the central position between the first blocking plate 6 and the second blocking plate 7, one end of the flow equalizing tube 5 is sealed by the first blocking plate 6, the other end of the flow equalizing tube 5 extends towards the second blocking plate 7, passes through the second blocking plate 7 and then passes through the second shell 10 to communicate with the room, and a fan is arranged in the end of the flow equalizing tube 5 outside the second shell 10. As shown in fig. 4, through holes 14 are uniformly distributed on the side wall of the flow equalizing pipe 5, and the gap 12 is communicated with the inside of the flow equalizing pipe 5 through the through holes 14. The through holes 14 on the flow equalizing pipe 5 can be arranged in a staggered way or in a certain sequence, so that the surrounding humid air uniformly skims the dehumidifying hollow fiber membrane pipe 4, the contact area is increased, the structural resistance is reduced, and the requirement on the fan 13 is reduced. As shown in fig. 2, the dust cover 3 is divided into an upper half part and a lower half part which are hinged together, the upper half part can be upwards overturned around the lower half part, the dust hood 3 is opened in the upper half part of the overturning dust hood 3, the dehumidifying hollow fiber membrane tubes 4 in the dust hood 3 can be cleaned, the shells at the left end and the right end of the dehumidifier do not need to be detached, the sealing performance is improved, and the dehumidifying hollow fiber membrane tubes 4 are prevented from being separated from the shells and becoming loose.
The regenerator comprises a hollow regenerator shell 15 and a regenerated hollow fiber membrane tube 16, wherein a third blocking plate 17 and a fourth blocking plate 18 are respectively arranged at two sides in the regenerator shell 15, the inner wall of one end, close to the third blocking plate 17, of the third blocking plate 17 and the regenerator shell 15 forms a closed third cavity 19, the inner wall of one end, close to the fourth blocking plate 18, of the fourth blocking plate 18 and the regenerator shell 15 forms a closed fourth cavity 20, an air inlet 21 is arranged on the side wall of the regenerator shell 15 and corresponds to the position between the third cavity 19 and the fourth cavity 20, the air inlet 21 is communicated with the inside of the regenerator shell 15, an air outlet is arranged on the side wall of the regenerator shell 15 and corresponds to the position of the air inlet 21, and the air outlet is communicated with the air inlet 21 through the inner cavity of the regenerator shell 15, the regeneration hollow fiber membrane tube 16 is arranged between the third blocking plate 17 and the fourth blocking plate 18, the regeneration hollow fiber membrane tube 16 is used for communicating the third cavity 19 with the fourth cavity 20, the second cavity 11 is connected through the third cavity 19 through a first pipeline 22, the first pipeline 22 is provided with the heater 1 for heating the dehumidifying solution after water absorption, the fourth cavity 20 is communicated with the inlet of the cooler 2 through a second pipeline 23, the outlet of the cooler 2 is communicated with the first cavity 9 through a third pipeline 24, and the third pipeline 24 is provided with a valve 30 for opening or closing the third cavity. Preferably: as shown in fig. 5, the cooler is a plurality of sections of U-shaped copper pipes which are sequentially communicated, wherein the U-shaped copper pipe at one end is communicated with the fourth cavity 20, and the U-shaped copper pipe at the other end is communicated with the first cavity 9. The bent copper pipe structure reduces the length and size, increases the heat exchange area and improves the heat exchange efficiency.
Initially, the dehumidifying solution flows through a pipe into a first cavity 9 of the dehumidifier and then through the dehumidifying hollow fiber membrane tube 4 into a second cavity 10 of the dehumidifier. Meanwhile, the fan 13 starts air draft to enable outdoor humid air to penetrate through the dust cover 3 and contact with the surface of the dehumidifying hollow fiber membrane tube 4 after dust removal, and meanwhile, the dehumidifying solution in the dehumidifying hollow fiber membrane tube 4 absorbs moisture in the humid air. The dry air dehumidified by the hollow fiber membrane tube 4 enters the air channel in the middle of the flow equalizing plate 5 through the gap 12 and the through hole 14, and is blown into the room by the fan 13.
Since the dehumidifying solution absorbs moisture from the humid air to become a dilute solution, reducing its ability to absorb water from the humid air, it needs to be concentrated: the dilute dehumidifying solution in the second cavity 10 is heated and concentrated by the heater 1 and then enters the regenerator, and the dilute solution flows into the third cavity 19 of the regenerator and then flows into the fourth cavity 20 through the regeneration hollow fiber membrane tube 16. Meanwhile, air is blown into the regenerator shell 15 through the air inlet 21 of the regenerator by the fan, and then is discharged out of the regenerator shell 15 through the air outlet. Air enters the regenerator housing 15 and contacts the surfaces of the regenerated hollow fiber membrane tubes 16, and the flow of air carries away a portion of the moisture in the dehumidification solution.
The dehumidifying solution which flows out from the regenerator and has a certain temperature and a high concentration is introduced into the shallow underground cooler 2, the temperature of the dehumidifying solution is adjusted by fully utilizing the characteristics of the shallow underground which is warm in winter and cool in summer, so that the solution is kept at the temperature which is comfortable for a human body and then returns to the second cavity 10 of the dehumidifier, and a cycle is completed. In the dehumidification cycle process, the flow of the dehumidification solution entering the dehumidifier is controlled by adjusting the opening size of the valve 30, so that the temperature of air entering the room is controlled, and the dehumidification cycle process is efficient and energy-saving. The dehumidification circulation system is formed by sequentially connecting a dehumidifier, a heater, a regenerator and a cooler to form a closed circulation loop, and the dehumidification solution can be recycled; the flow equalizing pipes are arranged in the middle of the hollow fiber membrane pipes, moist air can uniformly flow through the surfaces of the hollow fiber membrane pipes from the periphery to perform dehumidification, the structure is simple, the air flow resistance is reduced, and the dehumidification efficiency is improved; the high temperature that flows out the regenerator just has the dehumidification solution of certain concentration and introduces shallow underground cooler 2, utilizes geothermal energy to make the temperature of dehumidification solution drop to the comfortable temperature of human sensation, and the dehumidification solution that reaches the requirement at last flows in the dehumidifier and carries out the heat transfer mass transfer with the air, and it is indoor to obtain the air inflow that dry and temperature are suitable, utilizes the consumption of the energy that has significantly reduced of geothermal energy, has energy-concerving and environment-protective effect.
The air inlet 21 is located in the middle of the side wall of the regenerator housing 15, the air outlet includes a first air outlet 25 and a second air outlet 26, the first air outlet 25 is located on the side wall of the regenerator housing 15 and close to the third cavity 19, and the second air outlet 26 is located on the side wall of the regenerator housing 16 and close to the fourth cavity 20. The size of the air inlet 21 is larger than that of the first air outlet 25 or the second air outlet 26. The regenerator is provided with a large air inlet 21 which flows through the regenerated hollow fiber membrane tube 16 and then flows out of the two outlets. The design solves the problem that the regenerator with only a single inlet and outlet cannot continuously absorb moisture because the air moisture near the outlet is saturated in advance in the stroke because the air has only one stroke, and improves the regeneration efficiency of the dehumidifying solution. The regenerator with one inlet and two outlets has two air outflow strokes under the condition of not increasing the volume and the length, so that the air can effectively take away the moisture of the dehumidification solution.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. A dehumidification cycle method is characterized by comprising the following steps:
the dehumidifying solution flows into a first cavity (9) of the dehumidifier through a pipeline and then flows into a second cavity (11) of the dehumidifier through a dehumidifying hollow fiber membrane tube (4); meanwhile, the fan (13) starts air draft to enable outdoor humid air to penetrate through the dust cover (3) and contact with the surface of the dehumidifying hollow fiber membrane tube (4) after dust removal, and dehumidifying solution in the dehumidifying hollow fiber membrane tube (4) absorbs moisture in the humid air; the dry air dehumidified by the dehumidifying hollow fiber membrane tubes (4) enters an air channel in the middle of the flow equalizing tube (5) through gaps (12) and through holes (14) between the dehumidifying hollow fiber membrane tubes, and is blown into a room by a fan (13);
since the dehumidifying solution absorbs moisture from the humid air to become a dilute solution, reducing its ability to absorb water from the humid air, it needs to be concentrated: the dilute dehumidifying solution in the second cavity (11) is heated and concentrated by the heater (1) and then enters the regenerator, and the dilute solution flows into the third cavity (19) of the regenerator and then flows into the fourth cavity (20) through the regeneration hollow fiber membrane tube (16); meanwhile, air is blown into the regenerator shell (15) by a fan through an air inlet (21) of the regenerator and then is discharged out of the regenerator shell (15) through an air outlet; air enters the regenerator shell (15) to contact the surface of the regenerated hollow fiber membrane tube (16), and the flow of the air takes away a part of moisture in the dehumidification solution;
the dehumidifying solution which flows out from the regenerator and has a certain temperature and higher concentration is introduced into a shallow underground cooler (2), the temperature of the dehumidifying solution is adjusted by fully utilizing the characteristics of the shallow underground which is warm in winter and cool in summer, so that the solution is kept at the temperature which a person feels comfortable and then returns to a second cavity (11) of the dehumidifier, and a cycle is completed;
the dehumidification circulation method is applied to a dehumidification circulation system;
the dehumidification circulation system comprises a closed circulation loop formed by sequentially connecting a dehumidifier, a heater (1), a regenerator and a cooler (2) positioned under a shallow layer; the heater (1) and the regenerator are used for concentrating the dehumidifying solution after dehumidification and water absorption, and the cooler (2) is used for cooling the concentrated dehumidifying solution;
the dehumidifier comprises a cylindrical dust cover (3) which is hollow inside and made of air-permeable materials, a plurality of dehumidifying hollow fiber membrane tubes (4) and a cylindrical flow equalizing tube (5), wherein a first blocking plate (6) and a second blocking plate (7) which are used for closing openings and are disc-shaped are respectively arranged at openings at two ends of the dust cover (3);
a first shell (8) covering the first blocking plate (6) is arranged on the outer side of the first blocking plate, and a closed first cavity (9) for adding a dehumidifying solution is formed between the inner wall of the first shell (8) and the first blocking plate (6); a second shell (10) covering the second blocking plate (7) is arranged on the outer side of the second blocking plate (7), and a closed second cavity (11) is formed between the inner wall of the second shell (10) and the second blocking plate (7); the dehumidification hollow fiber membrane tube (4) and the flow equalizing tube (5) are both positioned in the dust cover (3); the dehumidifying hollow fiber membrane tubes (4) are annularly distributed between the first blocking plate (6) and the second blocking plate (7) and two ends of the dehumidifying hollow fiber membrane tubes are respectively communicated with the first cavity (9) and the second cavity (11);
a gap (12) for passing through humid air is reserved between the adjacent dehumidifying hollow fiber membrane tubes (4), the flow equalizing tube (5) is positioned at the central position between the first blocking plate (6) and the second blocking plate (7), one end of the flow equalizing tube (5) is closed by the first blocking plate (6), the other end of the flow equalizing tube (5) extends towards the second blocking plate (7), passes through the second blocking plate (7) and then penetrates out of the second shell (10) to be communicated with the inside of the chamber; a fan is arranged in the end part, outside the second shell (10), of the flow equalizing pipe (5), through holes (14) are uniformly distributed in the side wall of the flow equalizing pipe (5), and the gap (12) is communicated with an air channel in the flow equalizing pipe (5) through the through holes (14);
the regenerator comprises a hollow regenerator shell (15) and a regenerated hollow fiber membrane tube (16), wherein a third blocking plate (17) and a fourth blocking plate (18) are respectively arranged on two sides in the regenerator shell (15), the inner wall of one end, close to the third blocking plate (17), of the third blocking plate (17) and the regenerator shell (15) forms a closed third cavity (19), the inner wall of one end, close to the fourth blocking plate (18), of the fourth blocking plate (18) and the regenerator shell (15) forms a closed fourth cavity (20), an air inlet (21) is arranged on the side wall of the regenerator shell (15) and corresponds to the position between the third cavity (19) and the fourth cavity (20), the air inlet (21) is communicated with the inside of the regenerator shell (15), and an air outlet is arranged on the side wall of the regenerator shell (15) and at the position opposite to the air inlet (21), the air outlet passes through the inside cavity of regenerator housing (15) with air intake (21) intercommunication, regeneration hollow fiber membrane pipe (16) are in third closure plate (17) with between fourth closure plate (18), regeneration hollow fiber membrane pipe (16) will third cavity (19) with fourth cavity (20) intercommunication, second cavity (11) are connected through first pipeline (22) third cavity (19) be equipped with the dehumidification solution after the heating absorbs water on first pipeline (22) heater (1), fourth cavity (20) are through second pipeline (23) intercommunication the import of cooler (2), the export of cooler (2) is through third pipeline (24) intercommunication first cavity (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810191693.5A CN108397838B (en) | 2016-04-29 | 2016-04-29 | Dehumidification circulation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810191693.5A CN108397838B (en) | 2016-04-29 | 2016-04-29 | Dehumidification circulation method |
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| CN106990064B (en) * | 2017-04-28 | 2018-05-08 | 河南省计量科学研究院 | Gas concentration lwevel detecting system and detection method in a kind of industrial smoke |
| CN106969951B (en) * | 2017-05-11 | 2024-01-26 | 邯郸学院 | Anti-blocking dehumidifying sampling equipment in continuous automatic flue gas monitoring system |
| CN107676889B (en) * | 2017-11-06 | 2023-02-03 | 东莞理工学院 | Disc type membrane dehumidifier and dehumidification system |
| CN110553326A (en) * | 2018-06-01 | 2019-12-10 | 宋伟增 | Humidity adjusting part and dehumidifier |
| CN112628882A (en) * | 2020-12-09 | 2021-04-09 | 华南理工大学 | Efficient array type solution dehumidification system and method |
| CN112902636A (en) * | 2021-01-27 | 2021-06-04 | 江西省奋发粘胶化工有限公司 | Packing plant for silicone adhesive |
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| US6036746A (en) * | 1998-09-23 | 2000-03-14 | University Technology Corporation | Condenser system for independently controlling humidity and temperature of treatable air in a closed environment |
| JP3891808B2 (en) * | 2001-09-18 | 2007-03-14 | 独立行政法人科学技術振興機構 | Energy-saving dehumidification system |
| CN101537302B (en) * | 2008-03-18 | 2011-09-14 | 财团法人工业技术研究院 | Dehumidifier and regeneration structure thereof |
| CN101435608B (en) * | 2008-12-25 | 2010-04-14 | 西安交通大学 | Solution regenerative device of solution dehumidifying air-conditioning system |
| JP5227840B2 (en) * | 2009-02-26 | 2013-07-03 | ダイナエアー株式会社 | Humidity control device |
| CN201445903U (en) * | 2009-06-19 | 2010-05-05 | 华南理工大学 | Non-contact liquid dehumidifier |
| TWI480496B (en) * | 2013-11-20 | 2015-04-11 | Ind Tech Res Inst | A drying device for regenerating compressed air by electrical heating and a desiccant regeneration unit |
| CN103920374B (en) * | 2014-04-21 | 2016-03-16 | 东南大学 | A kind of compressed air solution drying and residual heat regenerating device and method |
| CN105299784B (en) * | 2015-11-02 | 2018-10-30 | 西安交通大学 | A kind of backheat based on membrane distillation time matter type solution film dehumidification system and dehumanization method |
| CN205606773U (en) * | 2016-04-29 | 2016-09-28 | 桂林电子科技大学 | Dehumidification regeneration cycle system |
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| CN108397838A (en) | 2018-08-14 |
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