CN110925902A - Low dew point composite dehumidifier - Google Patents
Low dew point composite dehumidifier Download PDFInfo
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- CN110925902A CN110925902A CN201911156458.5A CN201911156458A CN110925902A CN 110925902 A CN110925902 A CN 110925902A CN 201911156458 A CN201911156458 A CN 201911156458A CN 110925902 A CN110925902 A CN 110925902A
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- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000007791 dehumidification Methods 0.000 claims abstract description 131
- 230000008929 regeneration Effects 0.000 claims abstract description 78
- 238000011069 regeneration method Methods 0.000 claims abstract description 78
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 238000005057 refrigeration Methods 0.000 claims abstract description 24
- 238000001179 sorption measurement Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000002274 desiccant Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 12
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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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
- F24F3/1405—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 in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- 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
- F24F3/1423—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 a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Drying Of Gases (AREA)
Abstract
The invention provides a low dew point composite dehumidifier, relates to the technical field of dehumidifiers, and solves the technical problem that the existing dehumidifier in the prior art is difficult to realize low dew point dehumidification and efficient dehumidification at the same time. The device comprises a dehumidification air duct and a regeneration air duct, wherein a rotary wheel dehumidification mechanism and a compression refrigeration mechanism are arranged on the dehumidification air duct, and air on the dehumidification air duct can flow to the atmosphere after being dehumidified by the rotary wheel dehumidification mechanism and the compression refrigeration mechanism; the dehumidification air channel is connected with the regeneration air channel, and the air dehumidified on the dehumidification air channel can enter the regeneration air channel, and the air in the regeneration air channel can be discharged to the atmosphere or can be converged into the dehumidification air channel after being dehumidified. The invention is used for improving the efficiency and the dehumidification effect of the dehumidifier.
Description
Technical Field
The invention relates to the technical field of dehumidifiers, in particular to a low dew point composite dehumidifier.
Background
In the prior dehumidifier technology, a compression refrigeration condensation technology is mostly adopted, and a refrigerant absorbs heat through evaporation in an evaporator to cool air to below a dew point, so that moisture in the air is condensed and collected through a water receiving disc; the compression refrigeration condensation technology has the advantage of large dehumidification amount, but can not dehumidify air with low dew point.
The dehumidifier also uses a rotary wheel dehumidification technology, after moisture in the air is adsorbed by the rotary wheel, the moisture is taken away by high-temperature regeneration air in a regeneration area, the high-temperature and high-humidity regeneration air is cooled by the air in a heat exchanger to be condensed, and the moisture is condensed and collected by a water receiving tray. The rotary wheel dehumidification technology can dehumidify air with low dew point, but the dehumidification amount is relatively small, the power consumption is high, and the efficiency is low.
Disclosure of Invention
The invention aims to provide a low dew point composite dehumidifier, which solves the technical problem that the existing dehumidifier in the prior art is difficult to realize low dew point dehumidification and high-efficiency dehumidification at the same time. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a low dew point composite dehumidifier which comprises a dehumidification air duct and a regeneration air duct, wherein a rotary dehumidification mechanism and a compression refrigeration mechanism are arranged on the dehumidification air duct, and air on the dehumidification air duct can flow to the atmosphere after being dehumidified by the rotary dehumidification mechanism and the compression refrigeration mechanism; the dehumidification air channel with the regeneration air channel is connected and the air after the dehumidification on the dehumidification air channel can get into the regeneration air channel, the air in the regeneration air channel can be discharged to the atmosphere or can converge into the dehumidification air channel after the dehumidification.
Further, compression refrigeration mechanism includes evaporimeter and condenser, the last air of dehumidification wind channel can pass through in proper order the evaporimeter the runner dehumidification mechanism and flow to atmosphere behind the condenser.
Further, the rotary wheel dehumidification mechanism comprises a dehumidification rotary wheel and a first heat exchanger, and air passing through the evaporator can flow to an adsorption area on the dehumidification rotary wheel after passing through the first heat exchanger; the air on the regeneration air channel can flow to the first heat exchanger after passing through the regeneration zone on the dehumidification rotating wheel.
Furthermore, the low dew point composite dehumidifier also comprises a second heat exchanger for reducing the temperature of air on a regeneration air channel, and the air passing through the regeneration area of the dehumidification rotating wheel flows to the first heat exchanger after passing through the second heat exchanger.
Further, a water pan is arranged below the evaporator and the first heat exchanger.
Furthermore, the air inlet of the regeneration air channel is positioned on the air outlet side of the condenser, and part of air passing through the condenser can flow to the regeneration air channel.
Further, the air outlet of the regeneration air duct faces the condenser, and air exhausted from the regeneration air duct can flow to the condenser.
Further, the low dew point composite dehumidifier comprises a first fan, and the first fan is positioned on the air outlet side of the condenser.
Further, a second fan is arranged on the regeneration air duct.
Furthermore, a heater is arranged on the regeneration air duct, and air passing through the heater flows to the dehumidification rotating wheel on the rotating wheel dehumidification mechanism.
According to the low dew point composite dehumidifier provided by the invention, the rotary wheel dehumidification mechanism and the compression refrigeration mechanism are arranged on the dehumidification air channel, so that two-stage dehumidification of a compression refrigeration condensation dehumidification technology and a rotary wheel adsorption dehumidification technology is realized, air can be dehumidified to lower humidity, and the technical problem that the existing dehumidifier in the prior art is difficult to realize low dew point dehumidification and high-efficiency dehumidification at the same time is solved; in addition, the humidity of air blown out by the dehumidification air duct is low, and the regeneration effect of the rotary wheel dehumidification mechanism can be well realized; the air in the regeneration air channel can be merged into the dehumidification air channel after dehumidification, and the high-temperature and high-humidity air is not directly discharged into the atmosphere.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art arrangement for dehumidifying air using a compression refrigeration mechanism;
FIG. 2 is a schematic diagram of a prior art dehumidification of air using a rotary wheel dehumidification mechanism;
FIG. 3 is a schematic view of the structure of the dehumidified air of the low dew point composite dehumidifier provided by the present invention;
FIG. 4 is a schematic view of the structure of the dehumidified air of another low dew point composite dehumidifier provided by the present invention;
FIG. 5 is a schematic view of the structure of the dehumidified air of another low dew point composite dehumidifier provided by the present invention;
FIG. 6 is a schematic view of the structure of the dehumidified air of another low dew point composite dehumidifier provided by the present invention.
FIG. 1-evaporator; 2-a condenser; 3-a dehumidifying wheel; 4-a first heat exchanger; 5-a second heat exchanger; 6, a water pan; 7-a first fan; 8-a second fan; 9-a heater; 10-a compressor; 11-a throttling element; 12-precooling fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 6, the invention provides a low dew point composite dehumidifier, which comprises a dehumidification air duct and a regeneration air duct, wherein the dehumidification air duct is provided with a rotary dehumidification mechanism and a compression refrigeration mechanism, and air in the dehumidification air duct can flow to the atmosphere after being dehumidified by the rotary dehumidification mechanism and the compression refrigeration mechanism; the compression refrigeration mechanism (namely, the compression refrigeration condensation dehumidification technology) and the rotating wheel dehumidification mechanism (namely, the rotating wheel adsorption dehumidification technology) are adopted for two-stage dehumidification, so that the problem of low rotating wheel adsorption dehumidification efficiency is solved, the problem of poor dehumidification effect of compression refrigeration condensation dehumidification in a low dew point environment is solved, and air can be dehumidified to lower humidity; the dehumidification air channel is connected with the regeneration air channel, the air dehumidified on the dehumidification air channel can enter the regeneration air channel, the air in the regeneration air channel can be discharged to the atmosphere or can be converged into the dehumidification air channel after being dehumidified, the air humidity blown out from the dehumidification air channel is low, and the regeneration effect of the rotary wheel dehumidification mechanism can be well realized; the air in the regeneration air channel can be merged into the dehumidification air channel after dehumidification, and the high-temperature and high-humidity air is not directly discharged into the atmosphere.
As an optional implementation manner of the embodiment of the present invention, the compression refrigeration mechanism includes an evaporator 1 and a condenser 2, and the air on the dehumidification air duct can flow to the atmosphere after passing through the evaporator 1, the rotary wheel dehumidification mechanism, and the condenser 2 in sequence. The air on the dehumidification wind channel can flow to the condenser 2 after being dehumidified by the evaporator 1 (primary dehumidification) and the rotary wheel dehumidification mechanism (secondary dehumidification), and the condenser 2 can heat the dehumidified air to obtain the air with low humidity and high temperature. The evaporator 1, the condenser 2 and the compressor 10 are connected in the existing connection mode, so that the evaporator 1 can dehumidify and the condenser 2 can heat.
As an optional implementation manner of the embodiment of the present invention, the rotary dehumidification mechanism includes a dehumidification rotary wheel 3 and a first heat exchanger 4, and the air passing through the evaporator 1 can flow to an adsorption area on the dehumidification rotary wheel 3 after passing through the first heat exchanger 4; the air on the regeneration air channel can flow to the first heat exchanger 4 after passing through the regeneration zone on the desiccant rotor 3. The hot-air in regeneration wind channel has absorbed the moisture on the dehumidification runner regeneration zone, form the air of high temperature and high humidity state, the lower air of temperature through evaporimeter 1 all flows to first heat exchanger 4 with the air through dehumidification runner regeneration zone, the effect of dehumidification is carried out to the air through dehumidification runner regeneration zone to the realization, and the air after the dehumidification can flow to condenser 2 (also can flow to the adsorption zone on dehumidification runner 3), avoid the high temperature and high humidity air direct discharge to the atmosphere that forms through dehumidification runner regeneration zone. The air passing through the evaporator 1 is adopted for dehumidification of the air passing through the regeneration area of the dehumidification rotating wheel, and compared with the mode of directly dehumidifying by using the air, the dehumidification effect is obviously improved.
As an optional implementation manner of the embodiment of the present invention, the low dew point compound dehumidifier further includes a second heat exchanger 5 for reducing the temperature of the air on the regeneration air duct, and the air passing through the regeneration area of the dehumidification rotating wheel flows to the first heat exchanger 4 after passing through the second heat exchanger 5. Air may be introduced into the second heat exchanger 5 by a pre-cooling fan 12 to pre-cool the high temperature and high humidity air flowing to the second heat exchanger 5.
As an optional implementation manner of the embodiment of the present invention, a water pan 6 is disposed below the evaporator 1 and the first heat exchanger 4. The drip tray 6 can collect liquid water condensed by air cooling on the evaporator 1 and the first heat exchanger 4. A water pan 6 may be provided below the evaporator 1 and the first heat exchanger 4, respectively.
As an alternative implementation manner of the embodiment of the present invention, the air inlet of the regeneration air duct is located on the air outlet side of the condenser 2, and part of the air passing through the condenser 2 can flow to the regeneration air duct. The air part passing through the condenser 2 is taken as regeneration air to flow back, if the temperature of the return air is high, the return air can directly flow to a regeneration area of the dehumidification rotating wheel, and a heater 9 is not additionally arranged; the heater 9 may be disposed on the regeneration air duct, and the air passing through the heater 9 flows to the regeneration area of the desiccant rotor 3, so that power consumption of the heater can be reduced and the dehumidification effect can be improved, compared with the case of directly introducing the external air to the desiccant rotor 3 through the heater.
As an optional implementation manner of the embodiment of the invention, the low dew point compound dehumidifier includes a first fan 7, and the first fan 7 is located on the air outlet side of the condenser 2. If the air part passing through the condenser 2 is taken as regeneration air to be refluxed, because the pressure at the air outlet side of the condenser 2 is higher, the air is refluxed by utilizing the pressure difference, and therefore, a circulating fan does not need to be arranged on a regeneration air channel; in addition, a second fan 8 may be provided on the regeneration air duct; when the air output is small, the second fan 8 is not started, and when the air output is large, the second fan 8 is started, which is beneficial to the circulation of the air on the regeneration air channel.
Example 1:
referring to fig. 3, a low dew point composite dehumidifier includes a dehumidification air duct and a regeneration air duct, wherein a rotary dehumidification mechanism and a compression refrigeration mechanism are arranged on the dehumidification air duct, the compression refrigeration mechanism includes an evaporator 1 and a condenser 2, the rotary dehumidification mechanism includes a dehumidification rotary wheel 3 and a first heat exchanger 4, and air on the dehumidification air duct can flow to the atmosphere after sequentially passing through the evaporator 1, the first heat exchanger 4, an adsorption region on the dehumidification rotary wheel 3 and the condenser 2; part of the air flow passing through the condenser 2 flows to the condenser 2 after passing through the heater 9, the regeneration zone on the desiccant rotor 3 and the first heat exchanger 4, and the first fan 7 is positioned on the air outlet side of the condenser 2.
Example 2:
referring to fig. 4, a low dew point composite dehumidifier is different from embodiment 1 in that a second heat exchanger 5 for reducing the temperature of air in a regeneration air duct is arranged on the regeneration air duct, the air passing through a regeneration area of a dehumidification rotating wheel flows to a first heat exchanger 4 after passing through the second heat exchanger 5, and the second heat exchanger 5 is used in cooperation with a pre-cooling fan 12.
Example 3:
referring to fig. 5, a low dew point composite dehumidifier is different from embodiment 2 in that a second fan 8 is disposed on a regeneration air duct, and a part of air flow passing through a condenser 2 flows to a heater 9 through the second fan 8.
Referring to fig. 5, the air is cooled and condensed (first-stage dehumidification) by the evaporator 1 to become low-temperature air, the low-temperature air and the regeneration air are subjected to heat exchange in the first heat exchanger 4 and then enter an adsorption region of the dehumidification rotating wheel 3, the adsorption material in the adsorption region of the dehumidification rotating wheel absorbs moisture (second-stage dehumidification), and then the air enters the condenser 2 to be heated and forms high-temperature and high-pressure air after passing through the first fan 7 to be blown out; meanwhile, a part of air is led out from the blown air to be taken as regeneration air to flow back, the regeneration air further rises in temperature through the heater 9 and enters a regeneration area of the dehumidification rotating wheel 3, moisture adsorbed by the dehumidification rotating wheel 3 is taken away to form high-temperature high-humidity air, the high-temperature high-humidity air is pre-cooled by the inlet air in the second heat exchanger 5 and then is further cooled by the air passing through the evaporator 1, and the high-temperature high-humidity air is cooled and condensed into liquid water to be collected by the water receiving disc 6.
Because the air is dehumidified in the first stage in the evaporator 1, the characteristic of large dehumidification capacity under the working condition of medium and high humidity by compression refrigeration condensation dehumidification can be utilized, the dehumidification is fast, and the dew point of the air is reduced; the dehumidification effect is relatively poor under low dew point operating mode in compression refrigeration condensation dehumidification, reentries dehumidification runner 3 this moment and carries out the second grade dehumidification, utilizes the better characteristics of dehumidification effect of runner dehumidification under low dew point operating mode, can reach very low humidity.
Meanwhile, the characteristics of higher air outlet temperature and lower humidity are achieved after the compression refrigeration condensation dehumidification is carried out by the condenser 2, the pressure difference between the front and the back of the first fan 7 is utilized, a part of the air outlet with higher temperature and lower humidity is led back to be used as regeneration air to enter the heater 9 to be heated to the regeneration temperature, and the air temperature passing through the condenser 2 is higher, namely the power required by the heater 9 can be reduced, the air humidity is lower, and the good regeneration effect can be realized.
Meanwhile, the air passing through the regeneration area of the dehumidification rotating wheel is high-temperature and high-humidity air, and is cooled and condensed by the low-temperature air passing through the evaporator 1, and the effect of cooling and condensing is better because the air passing through the evaporator 1 is low in temperature.
Example 4:
referring to fig. 6, a low dew point composite dehumidifier is different from the embodiment 2 in that a part of the air flow passing through the condenser 2 passes through the heater 9, the regeneration zone on the desiccant rotor 3, the second heat exchanger 5, and the first heat exchanger 4 and then flows to the adsorption zone of the desiccant rotor 3.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A low dew point composite dehumidifier is characterized by comprising a dehumidification air duct and a regeneration air duct, wherein,
a rotary wheel dehumidification mechanism and a compression refrigeration mechanism are arranged on the dehumidification air channel, and air on the dehumidification air channel can flow to the atmosphere after being dehumidified by the rotary wheel dehumidification mechanism and the compression refrigeration mechanism;
the dehumidification air channel with the regeneration air channel is connected and the air after the dehumidification on the dehumidification air channel can get into the regeneration air channel, the air in the regeneration air channel can be discharged to the atmosphere or can converge into the dehumidification air channel after the dehumidification.
2. The low dew point composite dehumidifier of claim 1 wherein the compression refrigeration mechanism comprises an evaporator (1) and a condenser (2), and the air on the dehumidification air duct can flow to the atmosphere after passing through the evaporator (1), the rotary dehumidification mechanism and the condenser (2) in sequence.
3. The low dew point compound dehumidifier of claim 2 wherein said rotary dehumidification mechanism comprises a dehumidification rotary (3) and a first heat exchanger (4), the air passing through said evaporator (1) can flow to an adsorption zone on said dehumidification rotary (3) after passing through said first heat exchanger (4); the air on the regeneration air channel can flow to the first heat exchanger (4) after passing through a regeneration area on the dehumidification rotating wheel (3).
4. The low dew point compound dehumidifier of claim 3, further comprising a second heat exchanger (5) for reducing the temperature of air on the regeneration duct, wherein the air passing through the regeneration zone of the desiccant rotor (3) passes through the second heat exchanger (5) and then flows to the first heat exchanger (4).
5. A low dew point combined dehumidifier according to claim 3 wherein a water pan (6) is provided below the evaporator (1) and the first heat exchanger (4).
6. The low dew point composite dehumidifier of claim 2 wherein the air inlet of the regeneration air duct is located at the air outlet side of the condenser (2) and part of the air passing through the condenser (2) can flow to the regeneration air duct.
7. The low dew point compound dehumidifier of claim 2 wherein an air outlet of said regeneration duct is directed to said condenser (2), and air exhausted from said regeneration duct is able to flow to said condenser (2).
8. A low dew point combined dehumidifier according to any of claims 2-7 wherein said low dew point combined dehumidifier comprises a first fan (7), said first fan (7) being located at the air outlet side of said condenser (2).
9. The low dew point compound dehumidifier of claim 8 wherein said regeneration duct is provided with a second fan (8).
10. The low dew point compound dehumidifier according to any one of claims 1 to 7, wherein a heater (9) is provided on the regeneration duct, and the air passing through the heater (9) flows to the dehumidifying rotor (3) of the rotor dehumidifying mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911156458.5A CN110925902B (en) | 2019-11-22 | 2019-11-22 | Low dew point composite dehumidifier |
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| CN201911156458.5A CN110925902B (en) | 2019-11-22 | 2019-11-22 | Low dew point composite dehumidifier |
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| CN110925902B CN110925902B (en) | 2021-02-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536608A (en) * | 2020-05-26 | 2020-08-14 | 广州同方瑞风节能科技股份有限公司 | Circulating type rotating wheel dehumidification device and dehumidification method |
| CN111672274A (en) * | 2020-06-17 | 2020-09-18 | 广东青蓝环保科技有限公司 | Reverse catalytic oxidation decomposition device |
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