CN114623523A - Composite dehumidifier - Google Patents
Composite dehumidifier Download PDFInfo
- Publication number
- CN114623523A CN114623523A CN202210151154.5A CN202210151154A CN114623523A CN 114623523 A CN114623523 A CN 114623523A CN 202210151154 A CN202210151154 A CN 202210151154A CN 114623523 A CN114623523 A CN 114623523A
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- Prior art keywords
- dehumidification
- solution
- fresh air
- regeneration
- dehumidifier
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- 239000002131 composite material Substances 0.000 title abstract description 11
- 238000007791 dehumidification Methods 0.000 claims abstract description 187
- 230000008929 regeneration Effects 0.000 claims abstract description 106
- 238000011069 regeneration method Methods 0.000 claims abstract description 106
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 238000007710 freezing Methods 0.000 claims abstract description 12
- 230000008014 freezing Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 19
- 230000001172 regenerating effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000001035 drying Methods 0.000 description 18
- 239000002274 desiccant Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- F24F13/30—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
- F24F3/1417—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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- 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
- F24F3/153—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 with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
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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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- 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
Abstract
The invention provides a composite dehumidifier. The compound dehumidifier comprises a hot air system, wherein the hot air system comprises a heat collecting part and a heating part which are communicated; the dehumidification unit, the dehumidification unit includes freezing dehumidifier at least, solution dehumidification subassembly, one-level dehumidification runner and second grade dehumidification runner, the fresh air is gaseous to pass through the heat-collecting part in proper order, freezing dehumidifier, get into respectively in first wind channel and the second wind channel behind the solution dehumidification subassembly, the fresh air in the first wind channel is dried through the dehumidification district of one-level dehumidification runner and the dehumidification district of second grade dehumidification runner, the fresh air in the second wind channel passes through the regeneration area of second grade dehumidification runner in proper order behind the cooling space of second grade dehumidification runner, the regeneration area of one-level dehumidification runner, discharge behind the heat-collecting part, the heating part is used for heating the regeneration area of flowing through second grade dehumidification runner, the fresh air of the regeneration area of one-level dehumidification runner is gaseous. The composite dehumidifier provided by the invention can solve the problems of low dehumidification efficiency and energy waste of the dehumidification device in the prior art.
Description
Technical Field
The invention relates to the technical field of dehumidification equipment and the like, in particular to a composite dehumidifier.
Background
In the field of deep dehumidification, the currently mainstream dehumidification technology is rotary dehumidification. After the air is precooled, the air is processed to be low dew point through the rotating wheel, the dehumidification load is large, and the regeneration temperature of the rotating wheel is high.
In addition, in low dew point application occasions, a two-stage rotating wheel is generally adopted, the two-stage rotating wheel needs to regenerate dry air after dehumidification by the one-stage rotating wheel, in addition, the dehumidification load is large, the needed regeneration air quantity is large, the cost is higher, fresh air for regeneration is exhausted after the regeneration areas of the one-stage dehumidification rotating wheel and the two-stage dehumidification rotating wheel are dried, the exhausted air has higher heat, and the energy waste is caused.
As can be seen from the above, the conventional dehumidifying apparatus has problems of low dehumidifying efficiency and energy waste.
Disclosure of Invention
The invention mainly aims to provide a composite dehumidifier to solve the problems of low dehumidification efficiency and energy waste of a dehumidification device in the prior art.
In order to achieve the above objects, according to one aspect of the present invention, there is provided a hybrid dehumidifier. The composite dehumidifier comprises a hot air system, the hot air system comprises a heat collecting part and a heating part which are communicated, and the heat collecting part supplies heat to the heating part; the dehumidification unit, the dehumidification unit includes freezing dehumidifier at least, solution dehumidification subassembly, one-level dehumidification runner and second grade dehumidification runner, the fresh air is gaseous to pass through the heat-collecting part in proper order, freezing dehumidifier, get into respectively in first wind channel and the second wind channel behind the solution dehumidification subassembly, the fresh air in the first wind channel is dried through the dehumidification district of one-level dehumidification runner and the dehumidification district of second grade dehumidification runner, the fresh air in the second wind channel passes through the regeneration area of second grade dehumidification runner in proper order behind the cooling space of second grade dehumidification runner, the regeneration area of one-level dehumidification runner, discharge behind the heat-collecting part, the heating part is used for heating the regeneration area of flowing through second grade dehumidification runner, the fresh air of the regeneration area of one-level dehumidification runner is gaseous.
Furthermore, the heat collection part comprises a first evaporator which is arranged on the air inlet side, and fresh air enters the dehumidification unit after passing through the first evaporator; and the second evaporator is arranged on the exhaust side, and fresh air in the second air channel is exhausted after passing through the second evaporator after passing through the secondary dehumidification rotating wheel and the primary dehumidification rotating wheel.
Furthermore, the heating part comprises a first condenser, one end of the first condenser is communicated with the heat collection part, the first condenser is arranged on one side of the secondary dehumidification rotating wheel, which is far away from the primary dehumidification rotating wheel, and the fresh air flowing through the cooling area of the secondary dehumidification rotating wheel flows to the regeneration area of the secondary dehumidification rotating wheel after passing through the first condenser; one end of the second condenser is communicated with the other end of the first condenser, the other end of the second condenser is communicated with the heat collection part, the second condenser is arranged between the primary dehumidification rotating wheel and the secondary dehumidification rotating wheel, and fresh air flowing through the regeneration area of the secondary dehumidification rotating wheel flows to the regeneration area of the primary dehumidification rotating wheel after passing through the second condenser.
Furthermore, the composite dehumidifier also comprises a primary auxiliary heater, and the primary auxiliary heater is communicated with the first condenser; and the secondary auxiliary heater is communicated with the second condenser.
Further, the hot air system further comprises a compressor and an expansion valve, the compressor and the expansion valve are arranged between the heat collecting portion and the heating portion, and the compressor and the expansion valve are used for improving heat exchange efficiency between the heat collecting portion and the heating portion.
Furthermore, the composite dehumidifier also comprises a dehumidifying fan, wherein the dehumidifying fan is arranged in the first air channel to provide driving force for the flow of fresh air in the first air channel; the surface cooler, the surface cooler sets up in first wind channel, and the surface cooler sets up between one-level dehumidification runner and second grade dehumidification runner, and the surface cooler is used for the fresh air gas of the flow through one-level dehumidification runner dehumidification district of cooling.
Furthermore, the composite dehumidifier further comprises a rotating wheel regeneration fan, the rotating wheel regeneration fan is arranged in the second air channel, and the rotating wheel regeneration fan provides driving force for fresh air flowing inside the second air channel.
Furthermore, the first air duct is provided with an air return opening, and fresh air passing through the dehumidification area of the second-stage dehumidification rotating wheel can enter the first air duct through the air return opening and flow towards the dehumidification area of the second-stage dehumidification rotating wheel.
Furthermore, the solution dehumidifying component comprises a solution dehumidifier, fresh air flows to the primary dehumidifying wheel through the solution dehumidifier, and dehumidifying solution in the solution dehumidifier absorbs moisture of the fresh air to dry the fresh air; the solution regenerator is used for reducing the concentration of the dehumidifying solution after the dehumidifying solution absorbs moisture, and the dehumidifying solution with the reduced concentration flows into the solution regenerator through the first drain pipe to form a regenerating solution; the solution heater heats the regeneration solution to increase the concentration of the regeneration solution, and the increased concentration regeneration solution flows back to the solution dehumidifier through the second liquid discharge pipe to form a dehumidification solution; and the heat exchanger is arranged on the second liquid discharge pipe so as to realize the cooling of the regeneration solution with improved concentration.
Further, the solution dehumidification component also comprises a solution regeneration fan, fresh air flows through the solution regenerator and then flows to an air inlet of the solution regeneration fan, and an air outlet of the solution regeneration fan is arranged towards the heat collection part.
By applying the technical scheme of the invention, the fresh air sequentially passes through the freezing dehumidifier, the solution dehumidifying component, the primary dehumidifying rotating wheel and the secondary dehumidifying rotating wheel so as to enhance the drying effect of the fresh air. Wherein fresh air respectively enters a first air channel and a second air channel after passing through the freezing dehumidifier and the solution dehumidifying component, fresh air in the first air channel is dried by a dehumidifying area of the primary dehumidifying wheel and a dehumidifying area of the secondary dehumidifying wheel, fresh air in the second air channel sequentially passes through a regenerating area of the secondary dehumidifying wheel, a regenerating area of the primary dehumidifying wheel and a heat collecting part after passing through a cooling area of the secondary dehumidifying wheel and then is discharged, the split flow treatment of the fresh air is realized by arranging the first air channel and the second air channel, so that the dried fresh air in the second air channel is used as the regeneration gas of the secondary dehumidification rotating wheel, the consumption of the dried fresh air after the primary dehumidification rotating wheel is eliminated, simultaneously, the fresh air gas that passes through the solution dehumidification subassembly has lower temperature and directly uses the second grade dehumidification runner and can effectively carry out cooling treatment to the second grade dehumidification runner, is favorable to the second grade dehumidification runner to carry out drying process to fresh air gas.
Through setting up hot air system, the heat in the fresh air gas before the collection portion is with gathering the drying and exhaust fresh air gas to with heat transfer to heating portion, heating portion heating is used for passing the fresh air gas of the regeneration zone of one-level dehumidification runner and second grade dehumidification runner, improves the regeneration efficiency of runner, and has realized the make full use of the energy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view showing a connection relationship of a compound dehumidifier according to the present invention.
Wherein the figures include the following reference numerals:
1. a first air duct; 2. a second air duct; 3. a fresh air port; 4. a third air duct; 5. an air return opening; 10. a solution dehumidifying component; 11. a solution regenerator; 12. a regenerative pump; 13. a solution dehumidifier; 14. a dehumidification pump; 15. a heat exchanger; 161. a solution cooler; 162. a solution expansion valve; 163. a solution heater; 164. a solution compressor; 17. a solution regeneration fan; 20. a rotary wheel dehumidification component; 21. a primary desiccant wheel; 211. a primary dehumidification zone; 212. a primary regeneration zone; 22. a dehumidification fan; 23. a surface cooler; 24. a secondary dehumidification rotating wheel; 241. a secondary dehumidification zone; 242. a secondary regeneration zone; 243. a cooling zone; 25. a secondary auxiliary heater; 26. a primary auxiliary heater; 27. a rotary wheel regeneration fan; 30. a hot air system; 31. a compressor; 32. a first condenser; 33. a second condenser; 34. an expansion valve; 35. a second evaporator; 36. a first evaporator; 40. a freeze dehumidifier.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless stated to the contrary, the use of directional terms such as "upper, lower, top, bottom" or the like, generally refers to the orientation of the components as shown in the drawings, or to the vertical, perpendicular, or gravitational orientation of the components themselves; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
In order to solve the problems of low dehumidification efficiency and energy waste of the dehumidification device in the prior art, the embodiment provides the composite dehumidifier which can be applied to the household field and the industrial field.
As shown in fig. 1, the compound dehumidifier includes a hot air system 30 and a dehumidifying unit, the hot air system 30 includes a heat collecting part and a heating part which are arranged in a communicating manner, and the heat collecting part provides heat for the heating part; the dehumidification unit at least comprises a freezing dehumidifier 40, a solution dehumidification component 10, a first-stage dehumidification rotating wheel 21 and a second-stage dehumidification rotating wheel 24, fresh air sequentially passes through a heat collecting part, the freezing dehumidifier 40 and the solution dehumidification component 10 and then respectively enters a first air channel 1 and a second air channel 2, fresh air in the first air channel 1 is dried through a first-stage dehumidification area 211 of the first-stage dehumidification rotating wheel 21 and a second-stage dehumidification area 241 of the second-stage dehumidification rotating wheel 24, fresh air in the second air channel 2 sequentially passes through a second-stage regeneration area 242 of the second-stage dehumidification rotating wheel 24 after passing through a cooling area 243 of the second-stage dehumidification rotating wheel 24, the first-stage regeneration area 212 of the first-stage dehumidification rotating wheel 21 and is discharged after the heat collecting part, and the heating part is used for heating the fresh air flowing through the second-stage regeneration area of the second-stage dehumidification rotating wheel 24 and the first-stage regeneration area 212 of the first-stage dehumidification rotating wheel 21.
The primary dehumidification rotating wheel 21 and the secondary dehumidification rotating wheel 24 are part of a rotating wheel dehumidification assembly 20, and the rotating wheel dehumidification assembly 20, the solution dehumidification assembly 10 and the freezing dehumidifier 40 are matched to form a dehumidification unit.
Specifically, the fresh air sequentially passes through the freezing dehumidifier 40, the solution dehumidifying component 10, the primary dehumidifying wheel 21 and the secondary dehumidifying wheel 24 to enhance the drying effect of the fresh air. Fresh air in the first air channel 1 passes through a primary dehumidification region 211 of a primary dehumidification rotating wheel 21 and a secondary dehumidification region 241 of a secondary dehumidification rotating wheel 24 to be dried, fresh air in the second air channel 2 passes through a cooling region 243 of the secondary dehumidification rotating wheel 24 to sequentially pass through a secondary regeneration region 242, a primary regeneration region 212 and a heat collection portion to be discharged, the fresh air is divided by arranging the first air channel 1 and the second air channel 2, so that the dried fresh air in the second air channel 2 is used as regeneration gas of the secondary dehumidification rotating wheel 24, consumption of the dried fresh air after the primary dehumidification rotating wheel 21 is eliminated, meanwhile, the fresh air passing through the solution dehumidification component 10 has lower temperature and directly acts on the secondary dehumidification rotating wheel 24 to effectively cool the secondary dehumidification rotating wheel 24, the drying treatment of the fresh air by the secondary dehumidification rotary wheel 24 is facilitated.
Through setting up hot air system 30, the heat collecting part is with the heat in the fresh air gas before gathering the drying and the exhaust fresh air gas to with heat transfer to heating portion, heating portion heating is used for passing the fresh air gas of one-level dehumidification runner 21 and second grade regeneration zone 242, improves the regeneration efficiency of runner, and has realized the make full use of the energy.
Further, fresh air enters the dehumidification unit after passing through the heat collection portion, and dry fresh air through the dehumidification unit, fresh air has higher temperature when summer, fresh air is when passing through the heat collection portion, the heat collection portion gathers fresh air's heat, with heat transfer for heating portion heat the fresh air of flowing through regeneration one-level dehumidification runner 21 and second grade dehumidification runner 24, the improvement is to one-level dehumidification runner 21 and second grade dehumidification runner 24's drying efficiency, the make full use of the energy has also been realized simultaneously.
It should be noted that the primary dehumidification rotor 21 has a fan-shaped drying area and a fan-shaped regeneration area, and the rotor rotates to switch between the drying area and the regeneration area, so as to realize continuous drying of fresh air by the rotor; second grade dehumidification runner 24 has the drying zone, regeneration zone and cooling space 243, the fresh air gas that flows through solution dehumidification subassembly 10 flows through the cooling space 243 of second grade dehumidification runner 24 after second wind channel 2 to the one end that one-level dehumidification runner 21 was kept away from to second grade dehumidification runner 24, in order to realize carrying out the operation of cooling down to second grade dehumidification runner 24, then by one side of second grade regeneration space 242 flow direction towards one-level dehumidification runner 21, before passing through second grade regeneration space 242, fresh air gas passes through heating part and auxiliary heater heating in order to improve fresh air gas's temperature, and then better realization is dry.
In this embodiment, the primary regeneration area 212 may be dried by supplementing fresh air into the second air duct 2 to ensure sufficient air volume. Wherein, be provided with fresh air inlet 3 on the second wind channel 2, outside fresh air accessible fresh air inlet 3 enters into the inside in second wind channel 2.
As shown in fig. 1, the heat collecting part includes a first evaporator 36 and a second evaporator 35, the first evaporator 36 is disposed on the air inlet side, the fresh air passes through the first evaporator 36 and then enters the dehumidifying unit, the second evaporator 35 is disposed on the air outlet side, and the fresh air in the second air duct 2 passes through the secondary dehumidifying rotor 24 and the primary dehumidifying rotor 21 and then passes through the second evaporator 35 and then is discharged.
Specifically, the fresh air to be dehumidified enters the dehumidification unit after passing through the first evaporator 36, the temperature of the fresh air passing through the first evaporator 36 is reduced, and the first evaporator 36 collects the temperature of the fresh air and transmits the temperature to the heating portion; the second evaporator 35 is arranged on the exhaust side, and the fresh air flowing through the secondary regeneration area 242 and the primary regeneration area 212 in sequence is exhausted to the exhaust side.
Further, a stop valve is arranged on each of the first evaporator 36 and the second evaporator 35 to control the on-off of the first evaporator 36 and the second evaporator 35 in real time.
The temperature of the fresh air to be dehumidified is unstable due to different environmental temperatures in different seasons, so that the second evaporator 35 is closed in summer, the first evaporator 36 collects heat of the fresh air and cools the fresh air, the fresh air with lower temperature enters the dehumidification unit, the drying efficiency of the fresh air is improved, and the energy utilization is improved; in other seasons, because the ambient temperature is low, the temperature of the fresh air to be dehumidified is low, so that the first evaporator 36 is closed, and the fresh air exhausted after passing through the primary regeneration area 212 and the secondary regeneration area 242 is used for heat collection and heat transfer to the heating part, thereby improving the utilization of energy.
In the present embodiment, the heat collecting part is not limited to the form of the first evaporator 36 and the second evaporator 35, and may have other structures. Such as the heat exchanger 15, to collect heat from the gas and transfer the heat.
As shown in fig. 1, the heating portion includes a first condenser 32 and a second condenser 33, one end of the first condenser 32 is communicated with the heat collecting portion, the first condenser 32 is disposed on one side of the secondary desiccant rotor 24 away from the primary desiccant rotor 21, the fresh air passing through the cooling region 243 of the secondary desiccant rotor 24 flows to the secondary regeneration region 242 through the first condenser 32, one end of the second condenser 33 is communicated with the other end of the first condenser 32, the other end of the second condenser 33 is communicated with the heat collecting portion, the second condenser 33 is disposed between the primary desiccant rotor 21 and the secondary desiccant rotor 24, and the fresh air passing through the secondary regeneration region 242 flows to the primary regeneration region 212 through the second condenser 33.
Specifically, the first evaporator 36 cooperates with the first condenser 32 and the second condenser 33 to form a closed loop, so that the heat of the first evaporator 36 is sequentially transmitted to the first condenser 32 and the second condenser 33, the first condenser 32 is used for heating the fresh air flowing through the secondary regeneration area 242, the second condenser 33 is used for heating the fresh air flowing through the primary regeneration area 212, by arranging the first condenser 32 and the second condenser 33, the fresh air is heated by the heat collected by the heat collecting part, the drying efficiency of the primary dehumidification rotating wheel 21 and the secondary dehumidification rotating wheel 24 is improved, the energy utilization rate is improved, meanwhile, the application of an external heating device is reduced, the energy waste is reduced, and the cost is saved.
Further, the compound dehumidifier also comprises a primary auxiliary heater 26 and a secondary auxiliary heater 25, wherein the primary auxiliary heater 26 is communicated with the first condenser 32, and the secondary auxiliary heater 25 is communicated with the second condenser 33.
It should be noted that, because the heat collected by the heat collecting portion is unstable in different temperature environments due to the influence of the external environment, the temperature transmitted to the heating portion by the heat collecting portion is also unstable, and therefore, it is necessary to add a heating component to ensure that the temperature of the fresh air flowing through the regeneration region reaches a preset value. The heat quantity is supplemented to the fresh air by arranging the primary auxiliary heater 26 and the secondary auxiliary heater 25, the fresh air enters the primary auxiliary heater 26 to be further heated after flowing through the first condenser 32, and the fresh air flowing through the second condenser 33 enters the secondary auxiliary heater 25 to supplement the heat quantity.
The heating method of the primary auxiliary heater 26 and the secondary auxiliary heater 25 may be hot water heating, steam heating, or electric heating.
In this embodiment, the heating unit is not limited to the first condenser 32 and the second condenser 33, and may be any other structure that can transfer heat to the fresh air.
As shown in fig. 1, the hot air system 30 further includes a compressor 31 and an expansion valve 34, the compressor 31 and the expansion valve 34 being disposed between the heat collecting part and the heating part, the compressor 31 and the expansion valve 34 being used to improve heat exchange efficiency between the heat collecting part and the heating part.
Specifically, the heat transfer efficiency is improved by providing the compressor 31 and the expansion valve 34 between the heat collecting part and the heating part.
As shown in fig. 1, the compound dehumidifier further includes a dehumidifying fan 22 and a surface cooler 23, the dehumidifying fan 22 is disposed in the first air duct 1 to provide a driving force for the fresh air flowing in the first air duct 1, the surface cooler 23 is disposed between the primary dehumidifying rotor 21 and the secondary dehumidifying rotor 24, and the surface cooler 23 is used for cooling the fresh air flowing through the primary dehumidifying area 211.
Specifically, dehumidification fan 22 sets up between one-level dehumidification runner 21 and second grade dehumidification runner 24, dehumidification fan 22 is used for providing the drive power of the fresh air gas's of the inside in first wind channel 1 flow to make the fresh air gas of the inside in first wind channel 1 flow towards second grade dehumidification district 241, can cool down the fresh air gas of flowing through surface cooler 23 through set up surface cooler 23 between one-level dehumidification runner 21 and second grade dehumidification runner 24 and handle, in order to improve fresh air gas's drying efficiency.
Further, the first air duct 1 is provided with an air return opening 5, and fresh air passing through the secondary dehumidification region 241 can enter the first air duct 1 through the air return opening 5 and flow towards the secondary dehumidification region 241. Fresh air dried under the driving action of the dehumidification fan 22 enters the primary air channel from the air return opening 5 for secondary dehumidification, so that the dehumidification efficiency of the fresh air can be further improved.
The position of the dehumidifying fan 22 is not limited to the above-mentioned position between the primary dehumidifying rotor 21 and the secondary dehumidifying rotor 24, and may be provided on the side of the secondary dehumidifying rotor 24 away from the primary dehumidifying rotor 21, specifically, based on the driving force for providing the fresh air flow.
As shown in fig. 1, the compound dehumidifier further includes a rotary regenerative fan 27, the rotary regenerative fan 27 is disposed in the second air duct 2, and the rotary regenerative fan 27 provides a driving force for the fresh air flowing in the second air duct 2.
Specifically, the wheel regeneration fan 27 provides a driving force for the flow of the fresh air in the second air duct 2, so that the fresh air in the second air duct 2 flows through the cooling region 243, the secondary regeneration region 242, and the primary regeneration region 212 of the secondary dehumidification wheel 24 in sequence and is then discharged, and the wheel regeneration fan 27 is arranged to improve the flow efficiency of the fresh air.
Further, the rotary wheel regeneration fan 27 is disposed at a downstream position of the primary regeneration area 212, that is, the fresh air exhausted from the primary regeneration area 212 enters an air inlet of the rotary wheel regeneration fan 27.
The position where the regeneration fan 27 is disposed is not limited to the above position, and may be other positions where the fresh air can flow to drive the inside of the second air duct 2.
As shown in fig. 1, the solution dehumidifying assembly 10 includes a solution dehumidifier 13, a solution regenerator 11, a solution heater 163 and a heat exchanger 15, wherein fresh air flows to the primary dehumidifying wheel 21 through the solution dehumidifier 13, the dehumidifying solution in the solution dehumidifier 13 absorbs moisture of the fresh air to dry the fresh air, the dehumidifying solution absorbs moisture and then has a reduced concentration, the dehumidifying solution having a reduced concentration flows to the inside of the solution regenerator 11 through a first drain pipe to form a regeneration solution, the solution heater 163 heats the regeneration solution, the regeneration solution needs to be sprayed on a filler, the regeneration solution is concentrated to increase the concentration after heat and mass transfer with air through regeneration air, i.e. the solution is sprayed and regenerated in the solution regenerator 11 to increase the concentration of the regeneration solution, the regeneration solution having an increased concentration flows back to the solution dehumidifier 13 through a second drain pipe to form a dehumidifying solution, the heat exchanger 15 is disposed on the second drain pipe, so as to realize the temperature reduction of the regeneration solution with improved concentration.
Specifically, the solution dehumidifier 13 dehumidifies the fresh air flowing through by absorbing the moisture in the fresh air, the concentration of the dehumidified solution after absorbing the moisture is reduced and flows to the solution regenerator 11 to form a regenerated solution, the solution heater 163 heats the solution, the regenerated solution needs to be sprayed on the filler, and the regenerated solution is concentrated to improve the concentration after transferring heat and mass with the air through the regenerated air, that is, the solution regenerator 11 is sprayed for regeneration to increase the concentration of the regenerated solution in the solution regenerator 11, and the regenerated solution with increased concentration flows to the solution dehumidifier 13 to form a new dehumidified solution, so that the solution can be recycled.
Further, the dehumidifying solution inside the solution dehumidifier 13 requires a low temperature to improve the drying efficiency, and the liquid flowing out of the heated solution regenerator 11 has a high temperature, so a heat exchanger 15 is provided between the solution regenerator 11 and the solution dehumidifier 13 to perform a cooling operation on the liquid, wherein the heat collected in the heat exchanger 15 can be recycled.
In this embodiment, be connected with first liquid outlet pipeline and second liquid outlet pipeline on the solution dehumidifier 13, the liquid outlet and the dehumidification pump 14 intercommunication of solution dehumidifier 13, the liquid outlet of dehumidification pump 14 is connected with the one end of first liquid outlet pipeline and second liquid outlet pipeline respectively, the other end on first liquid outlet pipeline flows back to solution dehumidifier 13, be provided with solution cooler 161 on the first liquid outlet pipeline, the second liquid outlet pipeline communicates with solution regenerator 11 to dehumidification solution after will diluting shifts to and forms regeneration solution in solution regenerator 11.
The solution regenerator 11 is provided with a third liquid outlet pipeline and a fourth liquid outlet pipeline, the third liquid outlet pipeline is provided with a regeneration pump 12 and a solution heater 163, the regeneration solution flows back to the inside of the solution regenerator 11 through the regeneration pump 12 and the solution heater 163, the regeneration solution in the solution regenerator 11 is heated by the solution heater 163 at this time, the heated regeneration solution needs to be sprayed on a filler, and after heat and mass transfer with air through regeneration air, concentration is realized to improve concentration, the fourth liquid outlet pipeline is provided with a heat exchanger 15, and the regeneration solution with high concentration flows into the inside of the solution dehumidifier 13 through the fourth liquid outlet pipeline and the heat exchanger 15 to form a dehumidification solution.
It should be noted that, the solution dehumidifying assembly 10 is further provided with a solution compressor 164 and a solution expansion valve 162, so that the heat exchange efficiency is increased by the solution compressor 164 and the solution expansion valve 162, and the heating and cooling effects are achieved more quickly.
Further, the solution dehumidifying component 10 further includes a solution regeneration fan 17, the fresh air flows through the solution regenerator 11 and then flows to an air inlet of the solution regeneration fan 17, and an air outlet of the solution regeneration fan 17 is arranged toward the heat collecting portion.
Wherein, set up third wind channel 4 so that external fresh air flows in the inside of third wind channel 4, solution regeneration fan 17 provides the drive power that the fresh air of the inside of third wind channel 4 flows, because the temperature that leads to regeneration solution behind the 11 internal heating of solution regenerator risees, flow in order to carry out preliminary radiating operation to regeneration solution through increasing external fresh air, the partial heat of solution regenerator 11 can be taken away to the external fresh air of solution regenerator 11 of flowing through, external fresh air flow direction heat collection portion this moment, so that heat collection portion collects the heat of external fresh air this moment, improve the make full use of the energy.
It should be noted that the fresh air flowing through the outside of the solution regenerator 11 plays a role of cooling the solution regenerator 11.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
1. realize handling the reposition of redundant personnel of fresh air gas through setting up first wind channel 1 and second wind channel 2, so that the drying process fresh air gas in the second wind channel 2 is as the regeneration gas of second grade dehumidification runner 24, the consumption of dry fresh air gas behind the one-level dehumidification runner 21 has been eliminated, and simultaneously, the fresh air gas through solution dehumidification subassembly 10 has lower temperature and directly uses second grade dehumidification runner 24 and can effectively carry out cooling process to second grade dehumidification runner 24, be favorable to second grade dehumidification runner 24 to carry out drying process to fresh air gas.
2. Through setting up hot air system 30, the heat collecting part is with the heat in the fresh air gas before gathering the drying and the exhaust fresh air gas to with heat transfer to heating portion, heating portion heating is used for passing the fresh air gas of one-level dehumidification runner 21 and second grade regeneration zone 242, and has realized the high-efficient recycle of the energy.
It is to be understood that the above-described embodiments are only a few, and not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A compound dehumidifier, comprising:
the hot air system (30) comprises a heat collecting part and a heating part which are communicated, and the heat collecting part supplies heat to the heating part;
a dehumidifying unit, the dehumidifying unit includes freezing dehumidifier (40), solution dehumidification subassembly (10), one-level dehumidification runner (21) and second grade dehumidification runner (24) at least, and fresh air gas passes through in proper order the heat collection portion freezing dehumidifier (40) solution dehumidification subassembly (10) back gets into respectively in first wind channel (1) and second wind channel (2), fresh air in first wind channel (1) passes through behind the dehumidification district of one-level dehumidification runner (21) with the dehumidification district of second grade dehumidification runner (24) dries, fresh air in second wind channel (2) passes through in proper order behind the cooling space (243) of second grade dehumidification runner (24) the regeneration zone of second grade dehumidification runner (24), the regeneration zone of one-level dehumidification runner (21), discharge behind the heat collection portion, be used for the heating to flow through the regeneration zone of second grade dehumidification runner (24), Fresh air in a regeneration area of the primary dehumidifying wheel (21).
2. The compound dehumidifier of claim 1, wherein the heat collecting part comprises:
the first evaporator (36), the first evaporator (36) is arranged on the air inlet side, and the fresh air enters the dehumidification unit after passing through the first evaporator (36);
the second evaporator (35), the second evaporator (35) sets up in the side of airing exhaust, the fresh air gas in second wind channel (2) passes through second grade dehumidification runner (24) with behind one-level dehumidification runner (21) the warp discharge behind second evaporator (35).
3. The compound dehumidifier of claim 1, wherein the heating part comprises:
one end of the first condenser (32) is communicated with the heat collection part, the first condenser (32) is arranged on one side, away from the primary dehumidification rotating wheel (21), of the secondary dehumidification rotating wheel (24), and fresh air flowing through a cooling area (243) of the secondary dehumidification rotating wheel (24) flows to a regeneration area of the secondary dehumidification rotating wheel (24) after passing through the first condenser (32);
second condenser (33), the one end of second condenser (33) with the other end intercommunication of first condenser (32), the other end of second condenser (33) with thermal-arrest portion intercommunication, second condenser (33) set up one-level dehumidification runner (21) with between second grade dehumidification runner (24), flow through the fresh air gas process of the regeneration zone of second grade dehumidification runner (24) flow to behind second condenser (33) the regeneration zone of one-level dehumidification runner (21).
4. The compound dehumidifier of claim 3, further comprising:
a primary auxiliary heater (26), wherein the primary auxiliary heater (26) is communicated with the first condenser (32);
and the secondary auxiliary heater (25), wherein the secondary auxiliary heater (25) is communicated with the second condenser (33).
5. The combined dehumidifier according to claim 1, wherein the hot air system (30) further includes a compressor (31) and an expansion valve (34), the compressor (31) and the expansion valve (34) are disposed between the heat collecting part and the heating part, and the compressor (31) and the expansion valve (34) are used to improve heat exchange efficiency between the heat collecting part and the heating part.
6. The compound dehumidifier of claim 1, further comprising:
the dehumidification fan (22) is arranged in the first air channel (1) and used for providing driving force for fresh air flow in the first air channel (1);
surface cooler (23), surface cooler (23) set up in first wind channel (1), surface cooler (23) set up one-level dehumidification runner (21) with between second grade dehumidification runner (24), surface cooler (23) are used for the cooling to flow through the fresh air gas in one-level dehumidification runner (21) dehumidification district.
7. The combined dehumidifier according to claim 1, wherein the combined dehumidifier further comprises a rotary regenerative fan (27), the rotary regenerative fan (27) is disposed in the second air duct (2), and the rotary regenerative fan (27) provides a driving force for the fresh air flowing inside the second air duct (2).
8. The compound dehumidifier according to claim 1, wherein the first air duct (1) is provided with a return air inlet (5), and fresh air passing through the dehumidification region of the secondary dehumidification rotor (24) can enter the first air duct (1) through the return air inlet (5) and flow towards the dehumidification region of the secondary dehumidification rotor (24).
9. A compound dehumidifier according to any one of claims 1 to 8 wherein said solution dehumidification module (10) comprises:
the fresh air flows to the primary dehumidifying wheel (21) through the solution dehumidifier (13), and the dehumidifying solution in the solution dehumidifier (13) absorbs the moisture of the fresh air to dry the fresh air;
a solution regenerator (11), wherein the concentration of the dehumidifying solution is reduced after the dehumidifying solution absorbs moisture, and the dehumidifying solution with the reduced concentration flows to the inside of the solution regenerator (11) through a first drain pipe to form a regenerating solution;
a solution heater (163), said solution heater (163) heating said regeneration solution to increase the concentration of said regeneration solution, said increased concentration of said regeneration solution flowing back to said solution dehumidifier (13) through a second drain to form said dehumidified solution;
and the heat exchanger (15) is arranged on the second liquid discharge pipe, so that the temperature of the regeneration solution with the improved concentration is reduced.
10. The compound dehumidifier of claim 9, wherein the solution dehumidifying module (10) further comprises a solution regeneration fan (17), fresh air flows through the solution regenerator (11) and then flows to an air inlet of the solution regeneration fan (17), and an air outlet of the solution regeneration fan (17) is disposed toward the heat collecting portion.
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