CN112755724B - Adsorption dehumidification device and method with built-in fan-shaped reversing valve group - Google Patents
Adsorption dehumidification device and method with built-in fan-shaped reversing valve group Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0438—Cooling or heating systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40003—Methods relating to valve switching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
Abstract
The invention discloses an adsorption dehumidification device and method for a fan-shaped reversing valve group, and the device comprises an air blower, two cross-flow dehumidification cores, a heat pipe heat exchanger, a heating unit, a dehumidification unit, a sliding half-open valve and two fan-shaped reversing valves, wherein moist air is subjected to adsorption dehumidification through a cross-flow core dehumidification channel; the regeneration air passes through the constant-temperature channel of the cross-flow core body to recycle the adsorption heat, a heat pipe preheater and a heating device are arranged on a regeneration loop, the heated high-temperature regeneration air performs desorption regeneration on the dehumidification channel saturated in adsorption, the residual heat after desorption is subjected to heat exchange through the heat pipe preheater to preheat the regeneration air, the energy consumption is reduced by recycling the adsorption heat, and the energy-saving and environment-friendly effects are achieved; two cross-flow dehumidification cores dehumidify and regenerate in turn, cooperate two sets of fan-shaped switching-over valves, realize incessant continuous adsorption dehumidification effect, effectively avoid the problem of fixed bed dehydrating unit multistage valve.
Description
Technical Field
The invention relates to the field of environmental humidity control and energy conservation, in particular to an adsorption dehumidification device with a built-in fan-shaped reversing valve group and a method.
Background
Dehumidification techniques, by treating moisture-containing gases to obtain dry gases, are commonly used for the dehumidification of air in human-occupied environments and for the dehumidification of air in various facilities, such as factory workshops, warehouses, etc. At present, the common dehumidification mode in the market generally adopts condensation dehumidification, and the moisture is cooled to below the dew point, so that the moisture is condensed and separated out. The condensing dehumidification has the advantages of large dehumidification amount, stable work and operation, high price of refrigeration equipment, high power consumption and obviously reduced dehumidification performance when the temperature of the operation environment is lower (lower than about 10 ℃).
Solid dehumidification is used as an energy-saving and environment-friendly dehumidification mode, the technology utilizes the adsorption effect of porous medium adsorption materials on water molecules in air to carry out dehumidification, and the structure mainly comprises a fixed bed and a rotary wheel. The dehumidification adsorption and regeneration of the rotary wheel dehumidification operate simultaneously, the structure is simple, and the operation life is long. However, the continuous operation of the adsorption-regeneration process also causes a large amount of adsorption heat to be accumulated, resulting in an increase in the temperature of the dehumidification region, and a decrease in dehumidification efficiency; the fixed bed adsorption dehumidification mainly comprises a plurality of valves for controlling the multi-effect absorption beds to alternately operate, and finally the requirement of continuous adsorption dehumidification is realized, and more valve control can also lead to the complexity and the large volume of pipelines and control systems and increase the equipment cost.
A great deal of prior art researches on the recycling of adsorption heat of a fixed bed and the optimization of the structure of a device, and the invention name of the prior art is as follows: the utility model provides a solid adsorption dehydrating unit of continuous moisture absorption intermittent type formula regeneration, this patent places heating device in the subassembly that absorbs moisture, makes regeneration system and moisture absorption system unite two into one, and a wind path is shared in moisture absorption and regeneration, has simplified the device structure, but when reducing the ventilation pipeline, also leads to the device can't carry out regeneration process in succession, and operating time has the limitation. The Chinese patent No. CN201410178411.X has the invention name: an adsorption dehumidification process and a device. The device makes gaseous circulation flow between desiccator and regenerative heater, gives the desiccator with the heat transfer that the regenerative heater provided to make the desiccator heat up and reach regeneration temperature, effective recycle adsorption heat, but the equipment pipeline is complicated, has increased more valve control gas flow direction, only is applicable to big-and-middle-sized adsorption and dehumidification system, can't satisfy the energy-conserving requirement of small-size adsorption and dehumidification device regeneration.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an adsorption dehumidification device with a built-in fan-shaped reversing valve group and a method, which are combined with a fan-shaped reversing valve, effectively solve the problems of complex pipelines, various valves and huge device structure of a fixed adsorption dehumidification bed in the alternate and continuous operation process, recycle adsorption heat and regeneration residual heat through a heat regeneration-temperature rising system, and greatly improve the performance coefficient of the device.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an adsorption dehumidifying device with a built-in fan-shaped reversing valve group comprises a cross-flow type dehumidifying core body, wherein the cross-flow type dehumidifying core body is provided with two vertically staggered dehumidifying channels and a constant-temperature channel, the fluid flowing processes in the two vertically staggered dehumidifying channels and the constant-temperature channel are not interfered with each other, one side of the two cross-flow type dehumidifying core bodies which are arranged in parallel and are arranged in parallel is provided with a sliding half-open valve, the upper side and the lower side of the cross-flow type dehumidifying core body are respectively provided with a reversing valve, the sliding half-open valve and the reversing valve are matched to ensure that only one cross-flow type dehumidifying core body is communicated up and down on the upper channel and the lower channel, the left channel and the right channel of the two cross-flow type dehumidifying core bodies comprise a heat pipe heat exchanger, a heating unit and a dehumidifying unit, wherein,
the first fluid is subjected to adsorption dehumidification through a cross-flow dehumidification core dehumidification channel; the second fluid passes through a constant-temperature channel of the cross-flow dehumidification core body to recycle adsorption heat generated in the adsorption dehumidification process, and sequentially passes through the hot end of the heat pipe preheater and the heating device, the heated second fluid performs desorption regeneration on the dehumidification channel saturated in adsorption, and finally is discharged after sequentially passing through the cold end of the heat pipe preheater and the dehumidification unit, and the sliding half-open valve and the reversing valve are alternately matched to realize a continuous adsorption dehumidification regeneration process.
The adsorption dehumidification device with the built-in sector reversing valve group further comprises: the constant-temperature channel is characterized by further comprising a first air blower, and an air outlet of the first air blower faces the constant-temperature channel.
The adsorption dehumidification device with the built-in sector reversing valve group further comprises: the air outlet of the second air blower faces the reversing valve.
The adsorption dehumidification device with the built-in sector reversing valve group further comprises: the two cross-flow dehumidification cores are separated through a partition plate, and right-angle clamping grooves used for fixing the cross-flow dehumidification cores are formed in the two sides of the partition plate.
The adsorption dehumidification device with the built-in sector reversing valve group further comprises: the blocking piece of the reversing valve is circular or rectangular, the blocking piece is opened and closed at an angle of 90 degrees, and the opening and closing mode comprises the rotation, the folding and the sliding of the baffle.
An alternate dehumidification method applied to the adsorption dehumidification device as described above, the method comprising:
i. when the baffle of the lower fan-shaped reversing valve is adjusted to the area A2, the baffle of the upper fan-shaped reversing valve is adjusted to the area B2, and the sliding half-open valve is positioned at the area C2; the wet air passes through the lower end fan-shaped reversing valve and can be dehumidified only through the first dehumidification core body, and the dehumidified dry air is discharged through the upper end fan-shaped reversing valve; the regenerated air enters the first dehumidification core body through the sliding half-open valve to recover adsorption heat, then is heated through the heat pipe heat exchanger and the heating unit, and the high-temperature regenerated gas enters the second dehumidification core body through the upper end fan-shaped reversing valve.
When the flap of the lower sector diverter valve is adjusted to zone a1, the flap of the upper sector diverter valve is adjusted to zone B1, and the slide ajar valve is located at zone C1; the wet air passes through the lower end fan-shaped reversing valve and can only be dehumidified through the second dehumidification core body, and the dehumidified dry air is discharged through the upper end fan-shaped reversing valve; the regenerated air enters the second dehumidification core body through the sliding half-open valve to recover adsorption heat, then is heated through the heat pipe heat exchanger and the heating unit, and the high-temperature regenerated gas enters the first dehumidification core body through the upper end fan-shaped reversing valve.
Compared with the prior art, the invention has the beneficial effects that:
1. the two groups of cross-flow dehumidification cores are matched and adjusted with the fan-shaped reversing valve and the sliding half-open valve to alternately perform an adsorption dehumidification process, so that the effect of continuous adsorption dehumidification of the device is realized.
2. The design of the fan-shaped reversing valve effectively solves the problems of complex pipelines, various valves and huge device structures of the fixed bed adsorption and dehumidification device, and is suitable for the structural requirements of small and medium-sized adsorption and dehumidification devices.
3. The adsorption heat in the system operation process is recycled through the heat regeneration-temperature rise module, so that the energy consumption is reduced, and the problems of temperature rise of a dehumidification area and dehumidification efficiency reduction caused by adsorption heat accumulation are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an adsorption dehumidifying apparatus according to an embodiment of the present invention;
FIG. 2 is a left side half sectional view of the adsorption dehumidifying apparatus of FIG. 1;
FIG. 3 is a schematic structural view of a desiccant core according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of the adsorption dehumidification device of FIG. 1;
fig. 5 is a B-B cross-sectional view of the adsorption dehumidifying apparatus of fig. 1.
Description of the reference numerals:
1. a regeneration air blower; 2. the upper end of the fan-shaped reversing valve; 3. a dry air outlet; 4. a heating unit; 5. the hot end of the heat pipe exchanger; 6. a cold end of the heat pipe exchanger; 7. a water-absorbing material; 8. a humid air blower; 9. a sector reversing valve at the lower end; 10. a dehumidification core body clamping groove; 11. a dehumidifying core body 2; 12. a dehumidifying core 1; 13. sliding the half-open valve; 14. a dehumidification channel; 15. a thermostatic passage.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
Example (b):
it should be noted that the terms "first," "second," and the like in the description and claims of the present invention 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 invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an adsorption dehumidifying apparatus according to an embodiment of the present invention; FIG. 2 is a left side half sectional view of the adsorption dehumidifying apparatus of FIG. 1; FIG. 3 is a schematic structural view of a desiccant core according to an embodiment of the present invention; FIG. 4 is a cross-sectional view A-A of the adsorption dehumidification device of FIG. 1; fig. 5 is a B-B cross-sectional view of the adsorption dehumidifying apparatus of fig. 1.
The invention provides an adsorption and dehumidification device with a built-in fan-shaped reversing valve group and a method, which are combined with a fan-shaped reversing valve, effectively solve the problems of complex pipelines, various valves and huge device structure in the alternate and continuous operation process of a fixed adsorption and dehumidification bed, recycle adsorption heat and regeneration residual heat through a backheating-heating system, and greatly improve the performance coefficient of the device.
An adsorption dehumidifying device with a built-in fan-shaped reversing valve group comprises a cross-flow type dehumidifying core body, wherein the cross-flow type dehumidifying core body is provided with two vertically staggered dehumidifying channels 14 and a constant-temperature channel 15, the flow processes of fluids in the two vertically staggered dehumidifying channels 14 and the constant-temperature channel 15 are not interfered with each other, one side of the two cross-flow type dehumidifying core bodies which are arranged in parallel and arranged in parallel is provided with a sliding half-open valve 13, the upper side and the lower side of the cross-flow type dehumidifying core body are respectively provided with a reversing valve, the sliding half-open valve 13 and the reversing valve are matched for ensuring that only one cross-flow type dehumidifying core body is communicated up and down on the upper channel and the lower channel, the left channel and the right channel of the two cross-flow type dehumidifying core bodies comprise a heat pipe exchanger, a heating unit 4 and a dehumidifying unit, wherein,
the first fluid is dehumidified by adsorption through the cross-flow dehumidification core dehumidification channel 14; the second fluid passes through a constant temperature channel 15 of the cross-flow dehumidification core body to recycle adsorption heat generated in the adsorption dehumidification process, and sequentially passes through the hot end and the heating device of the heat pipe preheater, the heated second fluid performs desorption regeneration on the dehumidification channel 14 saturated in adsorption, and finally sequentially passes through the cold end and the dehumidification unit of the heat pipe preheater and is discharged, and the sliding half-open valve 13 and the reversing valve are alternately matched to realize the continuous adsorption dehumidification regeneration process.
As an alternative implementation, in some embodiments, a first blower is further included, and an air outlet of the first blower faces the thermostatic tunnel 15.
As an optional implementation manner, in some embodiments, the reversing valve further comprises a second blower, and an air outlet of the second blower faces the reversing valve.
As an alternative implementation manner, in some embodiments, two cross-flow dehumidification cores are separated by a partition plate, and right-angle clamping grooves for fixing the cross-flow dehumidification cores are arranged on two sides of the partition plate.
As an alternative embodiment, in some embodiments, the blocking piece of the reversing valve is circular or rectangular, the blocking piece is opened and closed at a diagonal angle of 90 °, and the opening and closing form includes rotation, folding and sliding of the blocking plate.
The dehumidification core 1 performs adsorption dehumidification: before dehumidification, the baffle of the lower fan-shaped reversing valve 9 is adjusted to be A2, the baffle of the upper fan-shaped reversing valve 2 is adjusted to be B2, and the sliding half-open valve 13 is positioned at C2. Indoor moist air is introduced by the blower 8, the inlet channel of the dehumidification core body 2 is sealed by the baffle of the lower end fan-shaped reversing valve 9, the moist air can only be dehumidified by the dehumidification core body 1, and the dehumidified dry air is discharged by the upper end fan-shaped reversing valve 2; simultaneously, the regeneration air is introduced by air-blower 1 and is passed through the C1 passageway, the constant temperature passageway of dehumidification core 1 flows through, retrieve the adsorption heat that produces among the dehumidification process, subsequently heat into the high temperature air through heating unit 4 again, the high temperature air gets into the dehumidification passageway of dehumidification core 2 through upper end fan-shaped switching-over valve 2, build the high temperature regeneration environment of adsorbent desorption, the humid air after the desorption passes through heat pipe exchanger's cold junction 6, with heat transfer to hot junction 5, preheat for the regeneration air of the hot end of heat pipe of flowing through, the low temperature humid air after the heat transfer is discharged to outdoor behind dehumidification unit 7.
The dehumidification core body 2 adsorbs the dehumidification and the desorption of the dehumidification core body 1 is regenerated: at this time, the flapper of the lower sector diverter valve 9 is adjusted to a1, the flapper of the upper sector diverter valve 2 is adjusted to B1, and the slide ajar valve 13 is located at C1. Indoor moist air is introduced by the blower 8, the inlet channel of the dehumidification core body 1 is sealed by the baffle of the lower end fan-shaped reversing valve 9, the moist air can only be dehumidified by the dehumidification core body 2, and the dehumidified dry air is discharged by the upper end fan-shaped reversing valve; simultaneously, the regeneration air is introduced through C2 passageway through air-blower 1, the constant temperature passageway of dehumidification core 2 flows through, retrieve the adsorption heat that produces among the dehumidification process, then the hot end through heat pipe exchanger, preheat, subsequently heat into the high temperature air through the heating unit again, the high temperature air gets into the dehumidification passageway of dehumidification core 1 through upper end fan-shaped switching-over valve 2, build the high temperature regeneration environment of adsorbent desorption, the humid air after the desorption passes through heat pipe exchanger's cold junction 6, with heat transfer to hot junction 5, preheat for the regeneration air that flows through the heat pipe hot end, the low temperature humid air after the heat transfer discharges to outdoors behind the dehumidification unit.
The two groups of dehumidification cores are adjusted by matching the pair of fan-shaped reversing valves and the sliding half-open valves, so that the adsorption and dehumidification processes are alternately carried out, and the aim of continuous adsorption and dehumidification is fulfilled.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (4)
1. The utility model provides an absorption dehydrating unit of built-in fan-shaped switching-over valves, includes the cross flow formula dehumidification core, its characterized in that: the cross-flow type dehumidification core body is provided with two vertically staggered dehumidification channels and a constant temperature channel, the flow processes of fluids in the two vertically staggered dehumidification channels and the constant temperature channel are not interfered with each other, one side of the two cross-flow type dehumidification cores which are arranged in parallel and are arranged in parallel is provided with a sliding half-open valve, the upper side and the lower side of each cross-flow type dehumidification core body are respectively provided with a reversing valve, the sliding half-open valve and the reversing valve are matched to ensure that only one cross-flow type dehumidification core body on the upper channel and the lower channel is communicated up and down, the left channel and the right channel of the two cross-flow type dehumidification cores comprise a heat pipe heat exchanger, a heating unit and a dehumidification unit, wherein,
the first fluid is subjected to adsorption dehumidification through a cross-flow dehumidification core dehumidification channel; the second fluid recycles adsorption heat generated in the adsorption and dehumidification process through a constant-temperature channel of the cross-flow dehumidification core body, and sequentially passes through the hot end of the heat pipe preheater and the heating device, the heated second fluid performs desorption and regeneration on the dehumidification channel saturated in adsorption, and finally is discharged after sequentially passing through the cold end of the heat pipe preheater and the dehumidification unit, and the sliding half-open valve and the reversing valve are alternately matched to realize a continuous adsorption and dehumidification regeneration process; the two cross-flow dehumidification cores are separated by a partition plate, and right-angle clamping grooves for fixing the cross-flow dehumidification cores are formed in two sides of the partition plate; the blocking piece of the reversing valve is circular or rectangular, the blocking piece is opened and closed at an angle of 90 degrees, and the opening and closing mode comprises the rotation, the folding and the sliding of the baffle.
2. The adsorption and dehumidification device with built-in sector reversing valve set according to claim 1, wherein: the constant-temperature channel is characterized by further comprising a first air blower, and an air outlet of the first air blower faces the constant-temperature channel.
3. The adsorption and dehumidification device with built-in sector reversing valve set according to claim 1, wherein: the air outlet of the second air blower faces the reversing valve.
4. An alternate dehumidification method applied to the adsorption dehumidification device according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
when the baffle of the lower fan-shaped reversing valve is adjusted to the area A2, the baffle of the upper fan-shaped reversing valve is adjusted to the area B2, and the sliding half-open valve is positioned at the area C2; the wet air passes through the lower end fan-shaped reversing valve and can be dehumidified only through the first dehumidification core body, and the dehumidified dry air is discharged through the upper end fan-shaped reversing valve; regenerated air enters the first dehumidification core body through the sliding half-open valve to recover adsorption heat, then is heated through the heat pipe heat exchanger and the heating unit, and high-temperature regenerated gas enters the second dehumidification core body through the upper end sector reversing valve;
when the baffle of the lower fan-shaped reversing valve is adjusted to the area A1, the baffle of the upper fan-shaped reversing valve is adjusted to the area B1, and the sliding half-open valve is positioned at the area C1; the wet air passes through the lower end fan-shaped reversing valve and can only be dehumidified through the second dehumidification core body, and the dehumidified dry air is discharged through the upper end fan-shaped reversing valve; the regenerated air enters the second dehumidification core body through the sliding half-open valve to recover adsorption heat, then is heated through the heat pipe heat exchanger and the heating unit, and the high-temperature regenerated gas enters the first dehumidification core body through the upper end fan-shaped reversing valve.
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