CN112648690A - Rotary wheel coupling semiconductor heating refrigeration dehumidifier - Google Patents
Rotary wheel coupling semiconductor heating refrigeration dehumidifier Download PDFInfo
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- CN112648690A CN112648690A CN202110132244.5A CN202110132244A CN112648690A CN 112648690 A CN112648690 A CN 112648690A CN 202110132244 A CN202110132244 A CN 202110132244A CN 112648690 A CN112648690 A CN 112648690A
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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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0042—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater characterised by the application of thermo-electric units or the Peltier effect
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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
- F24F2003/1464—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 using rotating regenerators
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Abstract
The invention discloses a rotating wheel coupling semiconductor heating and refrigerating dehumidification device, which comprises a rotating wheel dehumidification device, wherein a regeneration area of the rotating wheel dehumidification device is provided with a regeneration area gas outlet and a regeneration area gas inlet; the semiconductor heating and refrigerating device is provided with a plurality of semiconductor refrigerating sheets, and a semiconductor refrigerating and heating end is formed inside the semiconductor heating and refrigerating device; the gas outlet of the regeneration zone passes through a gas pipeline of the regeneration zone or a precooling heat exchanger and then enters the refrigerating end through the refrigerating end inlet to carry out refrigeration and dehumidification treatment; the semiconductor heating end is used for inputting gas through the heating end inlet; the semiconductor heating end is connected with a gas inlet of the regeneration area through a heating gas pipeline, and gas heated by the heating end is introduced into the regeneration area of the rotating wheel dehumidification device from the heating gas pipeline. The invention cools and dehumidifies the regenerated air with higher humidity in the regeneration area through the coupling of the rotating wheel dehumidification device and the semiconductor heating and refrigerating device, does not need to use a compressor to carry out refrigeration circularly, has lighter weight and larger dehumidification amount, and is more suitable for high-humidity environment in engineering.
Description
Technical Field
The invention relates to a device for dehumidifying air, in particular to a rotating wheel coupling semiconductor heating, refrigerating and dehumidifying device for relatively closed space environment.
Background
At present, the problems of poor air circulation and high air humidity generally exist in relatively closed spaces such as underground engineering and the like in China. In the prior art, a space with high air humidity, such as underground engineering and the like, is mainly dehumidified by a refrigeration dehumidifier, a rotary dehumidifier and the like, but the effect of dehumidification of a relatively closed space is not ideal, and the actual requirement cannot be met.
(1) Freezing dehumidifier
Common traditional dehumidifiers mainly include a refrigeration dehumidifier and a rotary dehumidifier, wherein the refrigeration dehumidifier reduces absolute humidity in air in a refrigeration mode and keeps relatively proper humidity of a space, and the basic principle is as follows: the wet air is pumped into the machine by a fan, passes through a heat exchanger, is cooled on the surface of an evaporator, condenses the moisture in the air into water drops, heats the treated dry air on the surface of a condenser and then discharges the air out of the machine, and the circulation is carried out to reduce the indoor humidity. However, the dehumidification process adopts a compressor, which has the disadvantages of large noise, heavy weight, high energy consumption, difficult maintenance, etc., and the treatment effect is easily affected by the environmental temperature, the dehumidification efficiency is limited, etc.
(2) Rotary dehumidifier
The runner dehumidifier adopts a honeycomb-type structure dehumidification runner to carry out physical adsorption dehumidification, a driving motor is adopted to rotate the dehumidification runner, the moisture absorption regeneration action is continuously repeated, and after moisture in the air is removed in a moisture absorption area, a fan sends the dried air into a room; the wheel having absorbed the moisture moves to the regeneration zone, and the moisture is removed by the heated regeneration air supplied thereto and discharged to the outside of the room, so that the wheel continues to operate. Because the rotary dehumidifier does not have the compressor operation, have small in noise, the quality is light, the advantage that the treatment effect is stable, but need the heated air to regenerate rotary dehumidification silica gel, can continuous operation, the heated air energy consumption is high, and the regeneration air that rotary dehumidification was got rid of is high temperature humid air, need discharge to outdoor, the portable design of being not convenient for.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a dehumidification capacity enhancement, improve the utilization runner coupling semiconductor heating refrigeration dehydrating unit of the discharge capacity of the dry air after dehumidification treatment; the second purpose of the invention is to provide a dehumidifying device which is convenient to move and is conveniently arranged in a relatively closed high-humidity environment for dehumidifying treatment.
In order to solve the technical problems, the invention adopts the following technical scheme:
a rotating wheel coupling semiconductor heating and refrigerating dehumidification device comprises a rotating wheel dehumidification device, wherein a moisture absorption area and a regeneration area are arranged in the rotating wheel dehumidification device, a motor is driven by electric energy to drive a dehumidification rotating wheel to rotate, and moisture in air entering the moisture absorption area from the outside is subjected to dehumidification treatment in the moisture absorption area of the rotating wheel dehumidification device; the device is characterized in that a regeneration zone of the rotating wheel dehumidification device is provided with a regeneration zone gas outlet and a regeneration zone gas inlet;
the semiconductor heating and refrigerating device is provided with a plurality of semiconductor refrigerating pieces, and a semiconductor refrigerating end are formed inside the semiconductor heating and refrigerating device; a gas outlet of the regeneration zone is connected with a semiconductor refrigeration end through a gas pipeline of the regeneration zone and a refrigeration end inlet, and gas after heat and humidity exchange in the regeneration zone is discharged into the semiconductor refrigeration end for refrigeration and dehumidification;
the semiconductor heating end is used for inputting gas through the heating end inlet; the semiconductor heating end is connected with a gas inlet of the regeneration area through a heating gas pipeline, and gas heated by the semiconductor heating end is introduced into the regeneration area of the rotating wheel dehumidification device from the heating gas pipeline.
The invention cools and dehumidifies the regeneration air with higher humidity in the regeneration area by the coupling (matching) of the rotating wheel dehumidification device and the semiconductor heating and refrigerating device, does not need to use a compressor to form a refrigeration cycle for refrigeration, has lighter weight, larger dehumidification amount and higher dehumidification amount per unit power, and is more suitable for high-humidity environment in engineering.
Furthermore, semiconductor refrigerating sheets at refrigerating ends are arranged on two sides of a heating channel at the sealed semiconductor heating end. The semiconductor refrigerating plate in the semiconductor heating and refrigerating device is convenient to arrange, a better heat exchange effect is formed, and the heat exchange efficiency is improved.
Furthermore, the regeneration area gas pipeline is connected with a precooling heat exchanger, so that high-temperature and high-humidity gas in the regeneration area gas pipeline firstly exchanges heat through the precooling heat exchanger before entering the semiconductor refrigeration end, and the temperature is initially reduced. A precooling heat exchanger is adopted on a pipeline, and heat exchange is carried out on high-temperature and high-humidity gas in a moisture absorption area in advance, so that the temperature of the high-temperature and high-humidity gas is reduced, and the moisture absorption capacity of the semiconductor heating and refrigerating device is improved.
Furthermore, the indoor or closed space gas sucked or input from the heating end inlet is heated and dehumidified through the semiconductor heating end, and a part of the heated and dehumidified gas is discharged into the indoor or closed space again through the semiconductor dehumidifying gas outlet. The semiconductor heating and refrigerating device can be placed in a room or a closed space, and can form a small cycle of dehumidification treatment by itself, so that the whole dehumidification system does not need a complex pipeline to discharge high-temperature high-humidity gas generated outdoors, and the whole system can be placed in the room or the closed space.
Furthermore, a condensed water receiving tray is arranged at the bottom end of the semiconductor heating and refrigerating device.
Furthermore, two ends of the semiconductor refrigeration sheet are respectively provided with a heat dissipation fin.
Further, the heat dissipation fins are aluminum heat dissipation fins.
A room or enclosure requiring a dehumidification process, comprising: the rotating wheel coupling semiconductor heating and refrigerating dehumidification device is arranged in a room or a closed space needing dehumidification treatment, and both the rotating wheel dehumidification device and the semiconductor heating and refrigerating device are movable. The dehumidification device for the indoor or closed space is convenient to arrange and can integrally move when needed, and the closure of the related indoor or closed space can be further maintained; in addition, the high-humidity regeneration air generated in the regeneration area of the rotary wheel dehumidification device is treated by the semiconductor heating and refrigeration device, so that the moisture content of the high-humidity regeneration air is effectively reduced, a dehumidification treatment circulating structure is formed, the high-humidity regeneration air can be discharged indoors (without being discharged outdoors), and the arrangement of pipelines outside the device is reduced.
In a word, compared with the prior art, the device for heating, refrigerating and dehumidifying by utilizing the rotating wheel coupled semiconductor has the following characteristics:
1. the rotating wheel dehumidification coupled semiconductor heating and refrigerating dehumidifier adopts the semiconductor refrigerating sheet to form cold energy to cool and dehumidify the regenerated air with higher humidity, does not need a compressor to form refrigerating circulation for refrigeration, has the advantages of lighter weight, quick start and the like, has larger dehumidification amount and higher dehumidification amount per unit power compared with a dehumidifier which singly uses a semiconductor, and is more suitable for high-humidity environment in engineering.
2. This device is when dehumidifying the volume of handling the wind, compromise the processing of high humid regeneration air, the high humid regeneration air that can the runner dehydrating unit produce is handled, effectively reduce its moisture content, make it can discharge to indoor (need not discharge to outdoor), compare in traditional runner dehumidifier, avoided the regeneration air to discharge outside outdoor or the enclosure space, reduce the device outer pipeline and arrange, the portable design of being convenient for, possess the disguise, can be used to the circulation dehumidification of airtight environment, can be better the user demand who satisfies the engineering.
3. The hot junction of the semiconductor refrigeration piece is adopted to heat the regenerated air, the electric heating mode of the traditional rotary dehumidifier is avoided, the heat is derived from the heat absorbed by input power and cold junction refrigeration, the heating efficiency is superior to electric heating, the heat of the regenerated air with high humidity is recycled, the high-humidity regenerated air to be discharged is cooled and dehumidified while the energy utilization is effectively improved, and double benefits are formed.
4. For independently utilizing semiconductor refrigeration piece to dehumidify ambient air, because the regeneration air humidity in runner regeneration district is higher, after the runner moisture absorption enrichment, the moisture content in the regeneration air increases, and dew point temperature obviously descends, adopts semiconductor refrigeration piece formation cold volume to cool off the dehumidification to the higher regeneration air of humidity, has effectively improved the cooling dehumidification efficiency of semiconductor refrigeration piece.
Drawings
FIG. 1 is a schematic flow diagram of a dehumidification apparatus of the present invention;
FIG. 2 is a schematic view of the semiconductor cooling and dehumidifying operation of the present invention;
FIG. 3 is a schematic vertical sectional view of a semiconductor heating and cooling device according to an embodiment of the present invention;
FIG. 4 is a schematic horizontal sectional view of a semiconductor heating and cooling device according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a pre-cooling heat exchanger in an embodiment of the present invention;
FIG. 6 is a graph comparing changes in temperature and relative humidity for an embodiment of the present invention;
FIG. 7 is a comparison chart of the temperature variation measurement of the semiconductor heating and cooling device and the precooler according to the embodiment of the invention;
FIG. 8 shows moisture content changes of the cold ends of the semiconductors in and out of the buccal cavity under different working conditions in the embodiment of the invention.
In the figure: the device comprises a rotary wheel dehumidification device 1, a dry gas outlet 11, a dry gas pipeline 12, a regeneration zone gas outlet 13, a regeneration zone gas inlet 15, a regeneration zone gas pipeline 14, a semiconductor heating and refrigerating device 2, a semiconductor refrigeration end 21, a semiconductor refrigeration end 22, a heating end inlet 23, a heating gas pipeline 24, a refrigeration end inlet 25, a dehumidification gas outlet 26, a precooling heat exchanger 3 and a condensate water receiving tray 4.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example (b):
the rotating wheel coupling semiconductor heating and refrigerating dehumidification device provided by the embodiment comprises a rotating wheel dehumidification device 1 and a semiconductor heating and refrigerating device 2, wherein the rotating wheel dehumidification device 1 is in the prior art, a moisture absorption area and a regeneration area are arranged in the rotating wheel dehumidification device, the electric energy drive motor drives the dehumidification rotating wheel to rotate, moisture absorption and regeneration actions are continuously repeated, moisture in air entering the moisture absorption area from the outside (such as sucked by a fan) is dehumidified in the moisture absorption area, and the dried air is naturally discharged from a dry air outlet 11 or discharged by the fan and is sent into a room or conveyed into a required closed space through a dry air pipeline 12; the dehumidifying wheel absorbing moisture in the wheel dehumidifying apparatus 1 moves to the regeneration zone, and the moisture of the dehumidifying wheel is driven off by the heated regeneration air; the regeneration zone is provided with a regeneration zone gas outlet 13 and a regeneration zone gas inlet 15, the hot air with higher temperature and the dehumidifying rotating wheel perform heat and moisture exchange in the regeneration zone, the gas after moisture removal of the dehumidifying rotating wheel is discharged out of the regeneration zone through the regeneration zone gas outlet 13, and the regeneration zone gas inlet 15 is an inlet for introducing the regeneration air with higher temperature required by the regeneration zone into the regeneration zone.
The semiconductor heating and refrigerating device 2 is provided with a plurality of semiconductor refrigerating sheets, and a semiconductor refrigerating end 21 (channels on two sides of the device) and a semiconductor heating end 22 (channel in the middle of the device) are formed inside the semiconductor heating and refrigerating device; the semiconductor refrigerating sheet utilizes the Peltier effect of semiconductor materials, when direct current passes through a galvanic couple formed by connecting two different semiconductor (P type and N type) materials in series, after a direct current power supply is connected, cold ends and hot ends are respectively formed at two sides of the refrigerating sheet to generate temperature difference of about 60 ℃, the hot ends release heat, the surface temperature is about 60-80 ℃, the cold ends absorb heat, and the surface temperature is about 0-10 ℃ (the working principle is shown in figure 3). The gas outlet 13 of the regeneration zone is connected with the semiconductor refrigeration end 21 through the gas pipeline 14 of the regeneration zone via the refrigeration end inlet 25, the gas of the regeneration zone of the rotary wheel dehumidification device 1 after heat and humidity exchange is discharged into the semiconductor refrigeration end 21, the gas with higher humidity is subjected to refrigeration and dehumidification treatment, and the dehumidified gas can be directly discharged into a room or a required closed space, and is discharged out of the semiconductor heating and refrigeration device 2 through the semiconductor dehumidification gas outlet 26 in the figure.
The semiconductor heating end 22 is used for inputting indoor or closed space gas (such as fan input or suction) through a heating end inlet 23 and heating the gas entering the semiconductor heating end 22, and the heating has two functions, one is to heat and dehumidify the sucked or input indoor or closed space gas, or to heat the regenerated air through the semiconductor heating end 22 and then enter the semiconductor cooling end 21 for refrigeration and dehumidification, and then the air is discharged from a dehumidification gas outlet 26, and partial or all gas is discharged into the indoor or closed space through the semiconductor dehumidification gas outlet 26, so that the cycle of indoor or closed space gas dehumidification is realized in an auxiliary manner; the second function is that the heated gas can be used as hot air for removing moisture of a dehumidifying wheel in a regeneration area of the wheel dehumidifying device 1, the semiconductor heating end 22 is connected with a gas inlet 15 of the regeneration area through a heating gas pipeline 24, the gas heated by the semiconductor heating end 22 is introduced into the regeneration area of the wheel dehumidifying device 1 from the heating gas pipeline 24, and the moisture of the dehumidifying wheel is removed after heat and moisture exchange with the dehumidifying wheel in the regeneration area. Of course, the dehumidified gas outlet 26 may be provided on the heated gas duct 24, and a control switch may be provided on the duct to control the flow direction of the gas in the air.
The rotating wheel coupling semiconductor heating and refrigerating dehumidification device provided by the invention has the advantages that heating dehumidification and refrigerating dehumidification functions are respectively generated by a semiconductor refrigerating end 21 and a semiconductor refrigerating end 22 of a semiconductor heating and refrigerating device 2, the rotating wheel dehumidification device 1 is matched with the semiconductor heating and refrigerating device 2, the regenerated air before the regeneration treatment of the rotating wheel dehumidification device is heated by using a semiconductor refrigerating sheet heating end to reach the regeneration temperature range of the rotating wheel, the moisture absorption material in the rotating wheel is regenerated (subjected to dehumidification treatment), and the treated regenerated air is subjected to cooling dehumidification treatment by using the semiconductor refrigerating sheet cooling end (or the combined action of the refrigerating dehumidification of the semiconductor refrigerating sheet cooling end and the heating dehumidification of the semiconductor refrigerating end) so that the humidity of the regenerated air meets the process requirement and can be discharged into a room or a required closed space. In addition, considering that the heating efficiency of the semiconductor refrigerating sheet is obviously higher than the refrigerating efficiency, in order to further improve the cooling and dehumidifying effects of the regenerated air at the cold end of the semiconductor and reduce energy consumption, the treated air is utilized to carry out precooling treatment on the hot and humid air passing through the rotating wheel, the discharge capacity of the dry air to the indoor is improved, and the dehumidifying capacity is further enhanced.
Because the refrigeration efficiency of the refrigerating end 21 of the semiconductor refrigerating piece is mainly influenced by the working temperature and the heat dissipation condition of the heating end 22, in order to ensure the heat dissipation condition of the semiconductor refrigerating piece and the heat exchange at the two ends of the semiconductor refrigerating piece, the structure shown in the figure is that the semiconductor refrigerating piece of the semiconductor refrigerating piece 21 is arranged at the two sides of the heating channel of the closed semiconductor refrigerating end 22, meanwhile, the gap between the semiconductor refrigerating piece and the rib is filled with heat-conducting silicone grease with high heat conductivity, and the aluminum sheet is added between the rib teeth, so that the heat exchange area is increased, the temperature difference between the air temperature at the two ends and the surface of the refrigerating piece is reduced, and the.
Because the temperature difference of the cold end and the hot end of the semiconductor refrigerating sheet is basically maintained at about 60 ℃, when the temperature of the hot end is high, the temperature of the cold end is also higher, and when the temperature of the hot end is low, the temperature of the cold end is low, in order to fully utilize the refrigerating and heating effects of the semiconductor refrigerating sheet, the cold and hot channels of the semiconductor heating and refrigerating device adopt a counter-flow design, and the material arrangement, the flow of the regenerated air and the heat exchange process of the cold end are shown in figures 4 and 5. The two ends of the semiconductor refrigeration sheet are respectively provided with the heat dissipation fins, so that the refrigeration efficiency and the heating efficiency can be obviously improved, the heat conduction performance and economic factors of the fins are considered, and the aluminum heat dissipation sheet is adopted in the device.
Considering that the refrigerating efficiency of the semiconductor refrigerating sheet is obviously lower than the heating efficiency, the heating efficiency is more than 1 under the working condition that the heat dissipation condition is good and the environmental temperature is about 30 ℃, the refrigerating efficiency is about 40-60 percent, the temperature rise of the hot end of the semiconductor refrigerating sheet is obviously higher than the temperature drop of the air at the cold end, the temperature of the air is obviously raised through a semiconductor refrigerating and heating cycle, the heating efficiency is higher than the refrigerating efficiency, in order to ensure that the temperature of the regenerated air is fully lowered after the regenerated air is heated and passes through a runner regeneration area and improve the cooling and dehumidifying efficiency of the regenerated air, a regeneration area gas pipeline 14 is connected with a precooling heat exchanger 3, or the precooling heat exchanger 3 is arranged in the regeneration area gas pipeline 14, so that the high-temperature and high-humidity regenerated air in the regeneration area gas pipeline 14 (in a conveying pipeline) firstly passes through the heat exchange (precooling heat exchange channel), the temperature is reduced primarily and then enters the semiconductor refrigerating end 21 of the semiconductor heating and refrigerating device 2. At 2 bottoms of semiconductor heating refrigerating plant, set up comdenstion water collector 4 for collect the comdenstion water that 2 heating refrigerating plant of semiconductor heating refrigerating plant produced in the heating refrigeration process, prevent that it from flowing everywhere, influence dehumidification effect and indoor clean and tidy.
The temperature and humidity of the outlet of the regeneration area of the rotating wheel are compared with the temperature and humidity of the ambient air when the rotating wheel is measured to independently run in a dry environment in winter, when the temperature in winter is about 17 ℃, the relative humidity is about 57 percent, the dew point temperature is about 8.4 ℃, the semiconductor heating and refrigerating device is independently used, the dehumidification cannot be effectively carried out, the dew point temperature is obviously improved and can reach 23.4 ℃ after the semiconductor heating and refrigerating device is coupled with the rotating wheel dehumidification, and the semiconductor heating and refrigerating device can be used for effectively carrying out dehumidification.
According to the refrigerating device, at the moment, the number of the semiconductor refrigerating pieces in the semiconductor heating and refrigerating device is 14, when the ambient temperature is about 19 ℃ and the relative humidity is about 50%, the regeneration air volume is about 50m (4. m) and h, and the processing air volume is about 200m (m) and h, the wheel dehumidification coupling semiconductor heating and refrigeration dehumidification prototype is measured, and due to the fact that the temperature and humidity sensor is large in size, the temperature and humidity sensor is arranged in a pipeline to generate large wind resistance, and humidity measurement is conducted on three key nodes with moisture content changes, namely an inlet, an outlet of a wheel regeneration area and a cold end of the semiconductor heating and refrigerating device. The result is as follows, temperature and humidity parameters at 25 minutes are taken to calculate the moisture content, after passing through a runner regeneration area, the moisture content is increased from 6.48 g/kg to 11.93, the dew point temperature is increased from 7.6 ℃ to 16.7 ℃, the regeneration air reaches about 60 ℃ under the heating of the hot end of the semiconductor heating and refrigerating device, the runner can be effectively regenerated, meanwhile, water vapor in the treated air is enriched into the regeneration air, the moisture content is obviously increased, the dew point temperature is increased, meanwhile, the temperature of the regeneration air is reduced to about 38 ℃, after heat exchange and precooling through a precooling heat exchanger 3, the temperature is further reduced to about 33 ℃, then, the regeneration air is cooled and dehumidified through the semiconductor heating and refrigerating device, the temperature of the regeneration air is reduced to about 22 ℃, the humidity of the regeneration air is reduced, and under the drying condition in winter, the semiconductor can be used for cooling and.
A room or enclosure requiring a dehumidification process, comprising: the rotating wheel coupling semiconductor heating and refrigerating dehumidification device is arranged in a room or a closed space needing dehumidification treatment, and the rotating wheel dehumidification device 1 and the semiconductor heating and refrigerating device 2 are both movable, so that the arrangement is convenient, the whole device can be moved when needed, and the closure of the related room or space can be kept; in addition, the high-humidity regeneration air generated in the regeneration area of the rotary wheel dehumidification device is treated by the semiconductor heating and refrigerating device 2, so that the moisture content of the high-humidity regeneration air is effectively reduced, a dehumidification treatment circulating structure is formed, the high-humidity regeneration air can be discharged into an indoor space or a closed space (the high-humidity regeneration air is not discharged to the outside), and the arrangement of pipelines outside the device is reduced or even not required, namely extra pipelines are not required to be arranged to be discharged outside the outdoor space or the closed space; therefore, the movable floor can be conveniently moved and the sealing performance of indoor or related spaces (such as underground engineering and the like) is improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the present invention has been described in detail by referring to the preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (8)
1. A rotating wheel coupling semiconductor heating and refrigerating dehumidification device comprises a rotating wheel dehumidification device (1), wherein a moisture absorption area and a regeneration area are arranged in the rotating wheel dehumidification device, a motor is driven by electric energy to drive a dehumidification rotating wheel to rotate, and moisture in air entering the moisture absorption area from the outside is subjected to dehumidification treatment in the moisture absorption area of the rotating wheel dehumidification device (1); the device is characterized in that a regeneration area of the rotating wheel dehumidification device (1) is provided with a regeneration area gas outlet (13) and a regeneration area gas inlet (15);
the semiconductor refrigeration device is characterized by also comprising a semiconductor heating and refrigeration device (2) which is provided with a plurality of semiconductor refrigeration pieces, wherein a semiconductor refrigeration end (21) and a semiconductor refrigeration end (22) are formed inside the semiconductor refrigeration piece; a gas outlet (13) of the regeneration area is connected with a semiconductor refrigeration end (21) through a gas pipeline (14) of the regeneration area and a refrigeration end inlet (25), and gas after heat and humidity exchange in the regeneration area is discharged into the semiconductor refrigeration end (21) for refrigeration and dehumidification;
a semiconductor heating end (22) into which gas is introduced through a heating end inlet (23); the semiconductor heating end (22) is connected with a gas inlet (15) of the regeneration area through a heating gas pipeline (24), and gas heated by the semiconductor heating end (22) is introduced into the regeneration area of the rotary wheel dehumidification device (1) from the heating gas pipeline (24).
2. The rotary wheel coupling semiconductor heating and refrigerating dehumidification device as claimed in claim 1, wherein semiconductor refrigerating sheets of the refrigerating end (21) are arranged on both sides of the heating channel of the sealed semiconductor refrigerating end (22).
3. The rotating wheel coupling semiconductor heating and refrigerating dehumidification device as claimed in claim 2, wherein the regeneration zone gas pipeline (14) is connected with the precooling heat exchanger (3), so that the high-temperature and high-humidity gas in the regeneration zone gas pipeline (14) is subjected to heat exchange through the precooling heat exchanger (3) and is subjected to heat exchange before entering the semiconductor refrigeration end (21) to primarily reduce the temperature.
4. A rotary wheel coupled semiconductor heating and refrigerating dehumidifier according to any of claims 1-3 wherein room or enclosed space gas sucked or inputted from the heating side inlet (23) is heated and dehumidified by the semiconductor heating side (22), and a part or all of the heated and dehumidified gas is discharged into the room or enclosed space again through the semiconductor dehumidifying gas outlet (26).
5. The rotary wheel coupling semiconductor heating and refrigerating dehumidification device as claimed in any one of claims 1 to 3, wherein a condensed water pan (4) is arranged at the bottom end of the semiconductor heating and refrigerating device (2).
6. The rotary wheel-coupled semiconductor heating and refrigerating dehumidifier as claimed in any one of claims 1 to 3, wherein heat dissipation fins are provided at both ends of the semiconductor cooling plate, respectively.
7. The wheel-coupled semiconductor heating and cooling dehumidification device as claimed in claim 6, wherein the heat dissipation fins are aluminum fins.
8. A room or enclosure requiring a dehumidification process, comprising: the rotating wheel coupling semiconductor heating and refrigerating dehumidification device as claimed in any one of claims 1 to 7 is arranged in a room or an enclosed space needing dehumidification treatment, and both the rotating wheel dehumidification device (1) and the semiconductor heating and refrigerating device (2) are movable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN114521795A (en) * | 2022-02-08 | 2022-05-24 | 普沃思环保科技无锡有限公司 | Storage chamber with dehumidification drying function |
| CN114843548A (en) * | 2022-03-18 | 2022-08-02 | 武汉中极氢能产业创新中心有限公司 | Integrated gas-gas heater and gas-gas cooling device |
| WO2022252467A1 (en) * | 2021-06-01 | 2022-12-08 | 普沃思环保科技无锡有限公司 | Fresh air conditioning system |
| CN116697469A (en) * | 2023-06-09 | 2023-09-05 | 江苏嘉盛环境设备制造有限公司 | Dual-purpose dehumidifier |
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