CN219995453U - Runner dehumidification device of self-supply cold source - Google Patents

Abstract

The utility model provides a rotating wheel dehumidification device with a self-supply cold source, wherein a multi-element heat exchange system comprises a refrigeration medium, a multi-element heat exchanger and a compression condensation assembly, the multi-element heat exchange system provides a gradient cold source for the rotating wheel dehumidification device and respectively supplies one or more surface coolers of the rotating wheel dehumidification device so as to meet the heat exchange between the surface coolers and air to be treated flowing through the surfaces of the surface coolers, reduce the temperature and humidity of the air to be treated, and the multi-element heat exchanger can deeply cool the air to be treated, thereby realizing the self-supply of the cold source, saving the investment cost caused by long-distance pipeline transportation of the cold source and the cold loss in the use process, avoiding the refrigeration efficiency lost by a remote machine room refrigeration unit for meeting low-temperature chilled water, fully utilizing input energy, greatly reducing energy consumption and reducing carbon emission.

Description

Runner dehumidification device of self-supply cold source

Technical Field

The utility model relates to the technical field of rotating wheel dehumidification devices, in particular to a rotating wheel dehumidification device with a self-supplied cold source.

Background

The rotating wheel dehumidifier unit is one kind of equipment for treating wet air into dry air, and includes mainly rotating wheel, surface cooler, heater, blower, filter and other parts. In the air treatment process, the humidity and temperature treatment mainly depends on a rotating wheel and a surface cooler, and a cold source of the surface cooler is derived from 7 ℃ low-temperature chilled water prepared in a remote machine room.

In order to use the low-temperature chilled water produced by the machine room to install and arrange a long-distance chilled water supply and return pipeline system, the investment of a pipeline system is increased, the cold energy loss in the process of conveying the chilled water in a long distance is large, the temperature of the chilled water produced and supplied by the machine room is required to be lower than 7 ℃ under the assumption that the temperature of the chilled water required by a process design surface cooler is 7 ℃, the temperature of the chilled water produced and supplied by the machine room is required to be lower than 7 ℃ in actual engineering, the temperature of the chilled water produced and supplied by the machine room is required to be 5 ℃ to ensure the 7 ℃ required by the final use side, and at the moment, the refrigeration efficiency COP of the machine room refrigerating unit is lower than the COP value when the machine room refrigerating unit is used for producing the 7 ℃ chilled water. In addition, no chilled water can be supplied for the reconstruction and relocation project, and if the condition that the chilled water supply station cannot be specially rebuilt under the condition of low used chilled water quantity is involved, how to solve the cold source problem of the rotating wheel dehumidification unit is critical.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a rotating wheel dehumidification device capable of self-supplying cold source, which solves the problem of self-supplying cold source of the rotating wheel dehumidification device, expands the application range and condition limitation of the rotating wheel dehumidification device, saves investment cost and cold loss in the use process caused by long-distance pipeline transportation of the cold source, and avoids the refrigeration efficiency lost by a remote machine room refrigerating unit to meet low-temperature chilled water.

In order to achieve the above object, the present utility model provides a rotating wheel dehumidifying device with self-cooling source for dehumidifying and cooling air to be treated, comprising:

the cooling medium surface cooling heat exchange system comprises a first surface cooler, a medium circulating pump and a cooling medium, wherein the first surface cooler is communicated with the medium circulating pump and circulates the cooling medium in a circulating way;

a multiple heat exchange system, the multiple heat exchange system comprising: the multi-element heat exchanger is communicated with the compression condensing assembly and circulates the refrigeration medium in a circulating way, the compression condensing assembly processes the refrigeration medium into a low-temperature low-pressure liquid refrigeration medium, the low-temperature low-pressure liquid refrigeration medium enters the multi-element heat exchanger to be evaporated and absorbed, the surface temperature of the multi-element heat exchanger is reduced, and the cooling medium flows through the multi-element heat exchanger to exchange heat with the refrigeration medium; after the cooling medium of the first surface cooler exchanges heat with the wind to be treated, the cooling medium flows through the multi-element heat exchanger at high temperature, after the cooling medium at high temperature exchanges heat with the refrigerating medium, the cooling medium at low temperature flows back to the first surface cooler, and the multi-element heat exchange system provides a cold source for the first surface cooler so as to meet the heat exchange between the first surface cooler and the wind to be treated flowing through the surface of the first surface cooler;

the air cooling heat exchange system controls the air to be treated to sequentially flow through the first surface cooler and the multiple heat exchangers;

after the air to be treated flows through the first surface cooler and exchanges heat with the cooling medium, the temperature and the humidity of the air to be treated are reduced; then flows through the multi-element heat exchanger, and the multi-element heat exchanger further reduces the temperature and the humidity of the wind to be treated.

As a more preferable mode, the compression condensation assembly comprises a condenser, a refrigeration compressor and a throttle valve, wherein the multi-element heat exchanger is communicated with the refrigeration compressor, the condenser and the throttle valve in sequence and circulates the refrigeration medium, the refrigeration medium enters the condenser through a high-temperature and high-pressure gaseous refrigeration medium after being compressed by the refrigeration compressor, the condenser condenses the high-temperature and high-pressure gaseous refrigeration medium into a low-temperature and high-pressure liquid refrigeration medium, the low-temperature and high-pressure liquid refrigeration medium enters the multi-element heat exchanger through the throttle valve after being regulated, the low-temperature and low-pressure liquid refrigeration medium evaporates and absorbs heat in the multi-element heat exchanger, so that the surface temperature of the multi-element heat exchanger is reduced, and the cooling medium flows through the multi-element heat exchanger and exchanges heat with the refrigeration medium to reduce the temperature of the cooling medium; therefore, the refrigerating medium in the multi-element heat exchanger is always in a low-temperature and low-pressure state, and the cooling medium flows through the multi-element heat exchanger to exchange heat with the refrigerating medium so as to reduce the temperature of the cooling medium, so that a cold source is provided for the first surface cooler to meet the heat exchange between the first surface cooler and the wind to be treated flowing through the surface of the first surface cooler.

As a more preferable mode, the cooling medium surface-cooling heat exchange system further comprises a second surface cooler, the cooling medium flows through the multi-element heat exchanger to exchange heat with the cooling medium of the multi-element heat exchange system, then flows out of the multi-element heat exchanger in a low-temperature cooling medium mode and is split, a first split-flow branch flows through the inner cavity of the first surface cooler, a second split-flow branch formed by split-flow flows through the inner cavity of the second surface cooler to exchange heat with the air to be treated flowing through the outer surfaces of the first surface cooler and the second surface cooler so as to reduce the temperature and the humidity of the air to be treated; therefore, the multi-element heat exchange system provides cold sources for the first surface cooler and the second surface cooler respectively, and is used for carrying out heat exchange with the air to be treated flowing through the outer surfaces of the first surface cooler and the second surface cooler, so that the temperature and the humidity of the air to be treated are further reduced, the self-supply of the cold source of the rotating wheel dehumidifying device is solved, the application range and the condition limit of the rotating wheel dehumidifying device are expanded, the investment cost caused by long-distance pipeline transportation of the cold sources is saved, the cold loss in the using process is avoided, and the refrigeration efficiency of a remote machine room refrigerating unit for meeting the low-temperature chilled water is avoided.

As a more preferable mode, the air cooling heat exchange system comprises a dehumidifying rotating wheel unit of one or more dehumidifying rotating wheels, an air duct and a treatment fan, wherein the treatment fan drives the air to be treated to flow in the air duct and flow out after sequentially passing through the first surface cooler, the multi-element heat exchanger, the dehumidifying rotating wheel unit and the second surface cooler.

As a more preferable mode, the dehumidifying runner unit comprises a first dehumidifying runner and a second dehumidifying runner, a third surface cooler is further arranged between the first dehumidifying runner and the second dehumidifying runner, the low-temperature cooling medium flows out of the multi-element heat exchanger and is further split to form a third branch, and the third branch flows through the inner cavity of the third surface cooler to be subjected to heat exchange with the wind to be treated flowing through the outer surface of the third surface cooler so as to reduce the temperature and the humidity of the wind to be treated.

As a more preferable mode, a fan in the condenser sucks fresh air, after the fresh air exchanges heat with a high-temperature high-pressure gaseous refrigeration medium in the condenser, the high-temperature fresh air enters a regeneration side inlet air duct of the dehumidification rotating wheel unit so as to raise the temperature of air in the regeneration side inlet air duct; therefore, the multi-element heat exchange system can provide partial regeneration heat sources for the dehumidification runner unit so as to raise the temperature of air of the inlet air channel at the regeneration side, and is used for taking away moisture absorbed on the dehumidification runner, so that the input energy is fully utilized, the energy consumption is greatly reduced, and the carbon emission is reduced.

As a more preferable mode, the outflow end of the cooling medium of the first surface cooler is provided with a first regulating valve, so that the cooling medium flows into the multi-element heat exchanger after flowing through the first surface cooler and being regulated by the first regulating valve, and exchanges heat with the cooling medium; the first regulating valve can regulate the flow of the cooling medium according to the temperature of the cooling medium, so that the danger caused by expansion of a pipeline containing the cooling medium is effectively avoided.

As a more preferable mode, in the case that the desiccant rotor unit includes only one desiccant rotor, the processing fan is located between one of the desiccant rotors and the second surface cooler; in the case where the desiccant rotor unit includes two desiccant rotors, the process fan is located between the two desiccant rotors; in this way, the treatment fan relies on mechanical energy to increase the pressure of the wind to be treated and to discharge the wind to be treated in the air-cooled heat exchange system.

As described above, the rotating wheel dehumidifying device with the self-supplied cold source has the following beneficial effects:

according to the rotating wheel dehumidification device with the self-supply cold source, the multi-element heat exchange system provides the gradient cold source for the rotating wheel dehumidification device, the gradient cold source is respectively supplied to one or more surface coolers of the rotating wheel dehumidification device, the heat exchange between the surface coolers and the air to be treated flowing through the surfaces of the surface coolers is achieved, the temperature and humidity of the air to be treated are reduced, then the air to be treated flows through the multi-element heat exchanger, the multi-element heat exchanger can deeply cool the air to be treated, the temperature and humidity of the air to be treated are further reduced before the air to be treated enters the dehumidification rotating wheel unit, the moisture absorbed by moisture absorption materials in the dehumidification rotating wheel is reduced, the energy consumption generated by heating of regenerated air in the dehumidification rotating wheel is reduced, the self-supply of the cold source of the rotating wheel dehumidification device is achieved, the application range and the condition limit of the rotating wheel dehumidification device are expanded, the investment cost caused by long-distance pipeline conveying of the cold source of the traditional rotating wheel dehumidification device is saved, the loss of the refrigerating machine room in the use process is avoided, the refrigerating efficiency lost due to the fact that the cooling machine room is required to meet low-temperature water is avoided, the heat released by the multi-element heat exchange system is used for the reduction of the heat source, the energy consumption of the dehumidification rotating wheel is fully discharged, and the energy consumption is fully reduced, and the energy consumption is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a rotary dehumidifier with self-cooling source applied to a single rotary dehumidifier according to the present utility model.

Fig. 2 is a schematic structural diagram of the self-cooling source rotary dehumidifier of the present utility model applied to a dual-rotary dehumidifier.

Description of element reference numerals

1. Refrigerating medium

2. Multi-element heat exchanger

3. Condenser

4. Refrigerating compressor

5. Throttle valve

6. First surface cooler

7. Second surface cooler

8. Third surface cooler

9. Medium circulation pump

10. Cooling medium

10a first branch

10b second branch

10c third branch

13. Wind to be treated

14. First dehumidifying wheel

15. Second dehumidifying wheel

16. Handling fan

17. Fresh air

18. First regulating valve

19. Second regulating valve

20. Third regulating valve

Description of the embodiments

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present utility model is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "upper," and the like, may be used herein to facilitate a description of one element or feature as illustrated in the figures as being related to another element or feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "held," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions or operations are in some way inherently mutually exclusive.

In order to make the objects, technical solutions and advantages of the present utility model more apparent, further detailed description of the technical solutions in the embodiments of the present utility model will be given by the following examples with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, the present utility model provides a rotating wheel dehumidifying apparatus with self-cooling source, for dehumidifying and cooling air 13 to be processed, comprising:

the cooling medium surface-cooling heat exchange system comprises a first surface cooler 6, a medium circulating pump 9 and a cooling medium 10, wherein the first surface cooler 6 is communicated with the medium circulating pump 9 and circulates the cooling medium 10;

a multiple heat exchange system, the multiple heat exchange system comprising: the refrigeration system comprises a refrigeration medium 1, a multi-element heat exchanger 2 and a compression condensation assembly, wherein the multi-element heat exchanger 2 is communicated with the compression condensation assembly and circulates the refrigeration medium 1 in a circulating way, the compression condensation assembly processes the refrigeration medium 1 into a low-temperature low-pressure liquid refrigeration medium 1, the low-temperature low-pressure liquid refrigeration medium 1 enters the multi-element heat exchanger 2 to absorb heat by evaporation, so that the surface temperature of the multi-element heat exchanger 2 is reduced, and the cooling medium 10 flows through the multi-element heat exchanger 2 to exchange heat with the refrigeration medium 1; after the cooling medium 10 of the first surface cooler 6 exchanges heat with the air 13 to be treated, the cooling medium 10 with high temperature flows through the multi-element heat exchanger 2, after the cooling medium 10 with high temperature exchanges heat with the refrigerating medium 1, the cooling medium 10 with low temperature flows back to the first surface cooler 6, and the multi-element heat exchange system provides a cold source for the first surface cooler 6 so as to meet the heat exchange between the first surface cooler 6 and the air 13 to be treated flowing through the surface of the multi-element heat exchanger;

the air cooling heat exchange system controls the air to be treated 13 to sequentially flow through the first surface cooler 6 and the multiple heat exchangers 2;

after the air to be treated 13 flows through the first surface cooler 6 and exchanges heat with the cooling medium 10, the temperature and the humidity of the air to be treated 13 are reduced; then flows through the multiple heat exchanger 2, and the multiple heat exchanger 2 further reduces the temperature and humidity of the wind 13 to be treated.

According to the rotating wheel dehumidification device with the self-supply cold source, the multi-element heat exchange system provides the cold source for the first surface cooler 6, so that heat exchange between the first surface cooler 6 and the air 13 to be treated flowing through the surface of the first surface cooler is achieved, the air 13 to be treated flows through the first surface cooler 6 and exchanges heat with the cooling medium 10, the temperature and humidity of the air 13 to be treated are reduced, then the air 13 to be treated flows through the multi-element heat exchanger 2, the cooling medium 1 exchanges heat with the air 13 to be treated, the low-temperature low-pressure liquid cooling medium 1 in the multi-element heat exchanger 2 evaporates and absorbs heat, the surface temperature of the multi-element heat exchanger 2 is reduced, the temperature and humidity of the air 13 to be treated are further reduced, the input energy is fully utilized, the self-supply of the cold source of the rotating wheel dehumidification device is achieved, the application range and the condition limit of the rotating wheel dehumidification device are expanded, investment cost and the loss of cooling medium which is caused by long-distance pipeline transportation of the cooling source of the traditional rotating wheel dehumidification device are saved, and the loss of cooling medium in the use process is avoided, and the refrigerating water loss caused by the low-temperature refrigeration efficiency of a remote machine room is avoided.

In this embodiment, as shown in fig. 1 and 2, the compression condensation assembly includes a condenser 3, a refrigeration compressor 4, and a throttle valve 5, the multiple heat exchangers 2 are sequentially communicated with the refrigeration compressor 4, the condenser 3, and the throttle valve 5, and circulate the refrigeration medium 1, the refrigeration medium 1 is compressed by the refrigeration compressor 4, and then enters the condenser 3 as a high-temperature and high-pressure gaseous refrigeration medium 1, the condenser 3 condenses the high-temperature and high-pressure gaseous refrigeration medium 1 into a low-temperature and high-pressure liquid refrigeration medium 1, the low-temperature and high-pressure liquid refrigeration medium 1 flows through the throttle valve 5 to be regulated, and then enters the multiple heat exchangers 2 as a low-temperature and low-pressure liquid refrigeration medium 1 evaporates and absorbs heat in the multiple heat exchangers 2, so that the surface temperature of the multiple heat exchangers 2 is reduced, and the cooling medium 10 flows through the multiple heat exchangers 2 and the refrigeration medium 1 to reduce the temperature of the cooling medium 10. In this way, the cooling medium 1 in the multiple heat exchanger 2 is always in a low temperature and low pressure state, the cooling medium 10 flows through the multiple heat exchanger 2 to exchange heat with the cooling medium 1 so as to reduce the temperature of the cooling medium 10, thereby providing a cold source for the first surface cooler 6 to satisfy the heat exchange between the first surface cooler 6 and the air 13 to be treated flowing through the surface thereof, and the cooling medium 1 in the multiple heat exchanger 2 exchanges heat with the air 13 to be treated flowing through the surface thereof, so that the temperature and humidity of the air 13 to be treated are further reduced.

In this embodiment, as shown in fig. 1 and 2, the refrigeration medium 1 includes, but is not limited to: ammonia, carbon dioxide, sulfur dioxide, methyl chloride, freon, etc., the cooling medium 10 includes, but is not limited to: water, brine, glycol solution, antifreeze, air, and other liquids or gases.

In this embodiment, as shown in fig. 1 and 2, the multiple heat exchanger 2 includes, but is not limited to: horizontal evaporators, vertical tube evaporators, spiral tube evaporators, evaporators for cooling air, and the like.

In this embodiment, as shown in fig. 1 and 2, the cooling medium 10 flows through the multiple heat exchanger 2 to exchange heat with the cooling medium 1, for example: the temperature of the low-temperature low-pressure liquid-state refrigeration medium 1 in the multi-element heat exchanger 2 is 2 ℃, the temperature of the cooling medium 10 flowing out after heat exchange with the wind 13 to be treated is 12 ℃, the cooling medium 10 flows into the multi-element heat exchanger 2 at the temperature of 12 ℃, the temperature of the cooling medium 10 flowing out of the multi-element heat exchanger 2 after heat exchange with the cooling medium 1 at the temperature of 2 ℃ is 7 ℃, and then the cooling medium 10 flows back to the first surface cooler 6 at the temperature of 7 ℃, so that the repeated circulation is carried out, and the low-temperature cooling medium 10 at the temperature of 7 ℃ is always provided for the first surface cooler 6 for heat exchange with the wind 13 to be treated flowing through the outer surface of the first surface cooler 6 so as to reduce the temperature and the humidity of the wind 13 to be treated; in addition, after the air 13 to be treated flows through the first surface cooler 6 at 26 ℃ and exchanges heat with the cooling medium 10, the temperature of the air 13 to be treated is reduced to 12 ℃, then the air 13 to be treated flows through the multi-element heat exchanger 2 and exchanges heat with the cooling medium 1 at 2 ℃, the temperature of the air 13 to be treated can be reduced to 5 ℃, and the multi-element heat exchanger 2 further reduces the temperature and humidity of the air 13 to be treated.

Specifically, in the present embodiment, the multiple heat exchanger 2 is exemplified by heat exchange of three fluids (the cooling medium 1, the cooling medium 10, the wind to be treated 13), and in practical applications, the multiple heat exchanger 2 can realize heat exchange of a plurality of fluids according to practical situations.

In this embodiment, as shown in fig. 1 and 2, the condenser 3 includes, but is not limited to: water-cooled condensers, air-cooled condensers, evaporative condensers, spray condensers, and the like.

In the present embodiment, as shown in fig. 1 and 2, the refrigeration compressor 4 includes, but is not limited to: sliding vane type refrigeration compressors, screw type refrigeration compressors, piston type refrigeration compressors, centrifugal type refrigeration compression, etc. The inside driving motor that is provided with of refrigeration compressor 4, driving motor drive refrigeration compressor 4 will be in the low-temperature low pressure refrigerant 1 of multiple heat exchanger 2 vaporization inhale, compress into high-temperature high-pressure gaseous refrigerant 1 and discharge into condenser 3, condense into low-temperature high-pressure liquid refrigerant 1 in condenser 3, get into multiple heat exchanger 2 again through throttle valve 5 throttle for low-temperature low-pressure liquid refrigerant 1 heat absorption vaporization, reaches the purpose of circulation refrigeration.

In the present embodiment, as shown in fig. 1 and 2, the throttle valve 5 includes, but is not limited to: straight-through throttle valve, angle throttle valve, adjustable throttle valve, sliding sleeve throttle valve, etc. The throttle valve 5 plays a role in throttling and reducing pressure on the refrigeration medium 1, and simultaneously controls and regulates the flow of the refrigeration medium 1 flowing into the multiple heat exchanger 2.

In this embodiment, as shown in fig. 1 and 2, the cooling medium surface-cooling heat exchange system further includes a second surface cooler 7, after the cooling medium 10 flows through the multiple heat exchangers 2 to exchange heat with the cooling medium 1 of the multiple heat exchange system, the cooling medium 10 flows out of the multiple heat exchangers 2 at a low temperature and then is split, a first split-flow branch 10a flows through an inner cavity of the first surface cooler 6, a second split-flow branch 10b formed by the split-flow branch flows through an inner cavity of the second surface cooler 7 to exchange heat with the air to be treated 13 flowing through the outer surfaces of the first surface cooler 6 and the second surface cooler 7, so as to reduce the temperature and the humidity of the air to be treated 13; therefore, the multi-element heat exchange system respectively provides cold sources for the first surface cooler 6 and the second surface cooler 7, and is used for carrying out heat exchange with the air to be treated 13 flowing through the outer surfaces of the first surface cooler 6 and the second surface cooler 7, so that the temperature and the humidity of the air to be treated 13 are further reduced, the self-supply of the cold source of the rotating wheel dehumidification device is solved, the application range and the condition limit of the rotating wheel dehumidification device are expanded, the investment cost caused by long-distance pipeline transportation of the cold source is saved, the cooling loss in the using process is reduced, and the refrigeration efficiency of a remote machine room refrigerating unit for meeting the low-temperature chilled water is avoided.

In this embodiment, as shown in fig. 1 and 2, the medium circulation pump 9 circulates the cooling medium 10 by circulating and delivering the cooling medium 10, so as to ensure that the cooling medium 10 can circulate in the system according to a set flow rate, including but not limited to: magnetic force circulating pump, immersed circulating pump, centrifugal circulating pump, axial-flow circulating pump.

In the present embodiment, as shown in fig. 1 and 2, the first surface cooler 6 and the second surface cooler 7 include, but are not limited to: a snake-shaped coil pipe type surface cooler and a cold air machine type surface cooler. Wherein the flow medium in the serpentine coil type surface cooler includes, but is not limited to, chilled water, hot water, industrial chilled brine, freon. The flowing medium in the air cooler surface cooler comprises, but is not limited to, freon and R407C, HFC non-azeotropic environment-friendly refrigerant.

In the present embodiment, as shown in fig. 1 and 2, the first surface air cooler 6 and the second surface air cooler 7 exchange heat with the air to be treated 13 through the cooling medium 10, thereby reducing the temperature and humidity of the air to be treated 13.

In this embodiment, as shown in fig. 1 and 2, the air cooling heat exchange system includes a dehumidifying rotor unit of one or more dehumidifying rotors, an air duct and a treatment fan 16, where the treatment fan 16 drives the air 13 to be treated to flow in the air duct, and sequentially flows out after passing through the first surface cooler 6, the multiple heat exchanger 2, the dehumidifying rotor unit and the second surface cooler 7, and sequentially performs cooling and dehumidifying treatment on the air 13 to be treated.

In this embodiment, as shown in fig. 1 and 2, the desiccant rotor unit may include one or more desiccant rotors, and the structure including only one desiccant rotor is shown in fig. 1, and the desiccant rotor unit includes a single first desiccant rotor 14; the structure including a plurality of dehumidification runners is as shown in fig. 2 (fig. 2 only takes 2 dehumidification runners as an example for illustration), the dehumidification runner unit includes a first dehumidification runner 14 and a second dehumidification runner 15, a third surface cooler 8 is further disposed between the first dehumidification runner 14 and the second dehumidification runner 15, the low-temperature cooling medium 10 flows out of the multiple heat exchangers 2 and then is split to form a third branch 10c, and the third branch 10c flows through an inner cavity of the third surface cooler 8 to exchange heat with the air to be treated 13 flowing through the outer surface of the third surface cooler 8 so as to reduce the temperature and humidity of the air to be treated 13.

In this embodiment, as shown in fig. 2, the multiple heat exchange system provides cold sources for the first surface cooler 6, the second surface cooler 7 and the third surface cooler 8, after the cooling medium 10 flows through the multiple heat exchangers 2 to exchange heat with the cooling medium 1 of the multiple heat exchange system, the cooling medium 10 with low temperature flows out of the multiple heat exchangers 2 and is split, and after the splitting, the cooling medium 10 of the first branch 10a, the second branch 10b and the third branch 10c flows into the corresponding first surface cooler 6, the second surface cooler 7 and the third surface cooler 8, and step cold sources are provided to be respectively supplied to the first surface cooler 6, the second surface cooler 7 and the third surface cooler 8 for heat exchange with the air 13 to be treated, which flows through the surfaces thereof in sequence, so as to reduce the temperature and the humidity of the air 13 to be treated. Fig. 2 illustrates a multi-element heat exchange system for providing cold sources for three surface coolers, and in the actual use process, the cold sources can be provided for a plurality of surface coolers according to the requirement.

In this embodiment, as shown in fig. 1 and 2, the dehumidifying rotor includes a rotor, a fan, a heater and a control system. Wherein the rotating wheel component of the dehumidifying rotating wheel consists of a plurality of layers of hygroscopic materials and a wheel basket, wherein the hygroscopic materials comprise, but are not limited to, silica gel and zeolite. When the wind 13 to be treated passes through the dehumidifying rotating wheel, the moisture absorbing material absorbs the moisture in the wind 13 to be treated so as to achieve the dehumidifying effect.

It should be noted that, in the present embodiment, as shown in fig. 1 and 2, the self-cooling-source rotating wheel dehumidifying device is configured to dehumidify and cool the wind 13 to be processed, and the specific process is as follows: the multi-element heat exchange system provides a low-temperature cooling medium 10 with the temperature of 7 ℃ for the first surface cooler 6, after the air 13 to be treated flows through the first surface cooler 6 and exchanges heat with the low-temperature cooling medium 10 with the temperature of 7 ℃, the temperature and humidity of the air 13 to be treated are reduced, then the air 13 to be treated flows through the multi-element heat exchanger 2, the multi-element heat exchanger 2 can deeply cool the air 13 to be treated, so that the temperature of the air 13 to be treated can be reduced to 5 ℃ before entering the dehumidifying rotating wheel unit, more importantly, the humidity of the air 13 to be treated can also be reduced, the moisture adsorbed by the moisture absorbing material in the dehumidifying rotating wheel is reduced, and the energy consumption generated by heating of regenerated air in the dehumidifying rotating wheel is reduced.

Further, in this embodiment, as shown in fig. 1 and 2, the fan in the condenser 3 sucks the fresh air 17, and after the heat exchange between the fresh air 17 and the high-temperature and high-pressure gaseous refrigerant 1 in the condenser 3, the high-temperature fresh air 17 enters the regeneration side inlet duct of the desiccant rotor unit to raise the temperature of the air in the regeneration side inlet duct.

It should be noted that, in the present embodiment, as shown in fig. 1 and 2, the main energy consumption in the dehumidifying rotor is generated by the heater thereof, and the heater of the dehumidifying rotor heats the air to raise the temperature of the air, so as to evaporate the moisture in the air, thereby achieving the dehumidifying effect. When the moisture absorption material is saturated, the heater in the dehumidification rotating wheel generates regenerative heat energy to heat the moisture absorption material, so that the moisture absorption material releases the absorbed moisture, and the dehumidification capability of the moisture absorption material is restored. In the utility model, the fresh air 17 is introduced through the fan in the condenser 3, after the fresh air 17 exchanges heat with the high-temperature and high-pressure gaseous refrigeration medium 1 in the condenser 3, the high-temperature fresh air 17 enters the regeneration side inlet air duct of the dehumidifying rotor unit and exchanges heat with the regeneration side inlet air duct air to raise the temperature of the regeneration side inlet air duct air, for example: when the high-temperature fresh air 17 is not introduced, the heater needs to heat the air from 20 ℃ to 120 ℃, after the high-temperature fresh air 17 is introduced, the high-temperature fresh air 17 exchanges heat with the regeneration side inlet air channel air, so that the temperature of the regeneration side inlet air channel air is increased to 50 ℃, and the heater only needs to heat the air from 50 ℃ to 120 ℃ at the moment and is used for taking away moisture absorbed by the moisture absorption material.

Further, as illustrated in fig. 1, the condenser 3 may be disposed after the second surface cooler 7 (not shown in the figure) and used as a heater for controlling the temperature of the wind 13 to be processed; or the multiple heat exchange system is provided with two condensers 3, the multiple heat exchangers 2 are sequentially communicated with the refrigeration compressor 4, the two condensers 3 and the throttle valve 5, and the air 13 to be treated flows through the second surface cooler 7 and then enters the condensers 3 to serve as a heater for controlling the temperature of the air 13 to be treated. Specifically, after the wind 13 to be treated flows through the second surface cooler 7, the high-temperature and high-pressure gaseous cooling medium 1 in the condenser 3 exchanges heat with the wind 13 to be treated to raise the temperature of the wind 13 to be treated.

In this embodiment, as shown in fig. 1 and 2, a first regulating valve 18 is disposed at an outflow end of the cooling medium 10 of the first surface cooler 6, so that the cooling medium 10 flows into the multiple heat exchanger 2 after flowing through the first surface cooler 6 and being regulated by the first regulating valve 18, and exchanges heat with the cooling medium 1; the purpose of the first regulating valve 18 is to be able to regulate the flow of the cooling medium 10 according to the temperature thereof, so as to effectively avoid the risk of the pipe containing the cooling medium 10 expanding.

In this embodiment, as shown in fig. 1 and 2, a second regulating valve 19 is disposed at an outflow end of the cooling medium 10 of the second surface cooler 7, so that the cooling medium 10 flows into the multiple heat exchanger 2 after flowing through the second surface cooler 7 and being regulated by the second regulating valve 19, and exchanges heat with the cooling medium 1. The purpose of the second regulating valve 19 and its principle of action are the same as those of the first regulating valve 18 described above, and therefore will not be described here again.

In this embodiment, as shown in fig. 2, a third regulating valve 20 is disposed at an outflow end of the cooling medium 10 of the third surface cooler 8, so that the cooling medium 10 flows into the multiple heat exchanger 2 after flowing through the third surface cooler 8 and being regulated by the third regulating valve 20, and exchanges heat with the cooling medium 1. The purpose and the principle of the third surface cooler 8 and the third regulating valve 20 are the same as those of the first surface cooler 6 and the first regulating valve 18 described above, and thus are not described herein.

In the present embodiment, as shown in fig. 1, in the case where the desiccant rotor unit includes only one desiccant rotor, the processing fan 16 is located between the first desiccant rotor 14 and the second surface cooler 7; as shown in fig. 2, in the case where the desiccant rotor unit includes two desiccant rotors, the process fan 16 is located between the first desiccant rotor 14 and the second desiccant rotor 15; in this way, the treatment fan 16 relies on mechanical energy to increase the pressure of the wind 13 to be treated and to discharge the wind 13 to be treated in the air-cooled heat exchange system.

As described above, the multi-element heat exchange system provides the gradient cold source for the rotating wheel dehumidification device, and supplies the gradient cold source to one or more surface coolers of the rotating wheel dehumidification device, so that the heat exchange between the surface coolers and the air 13 to be treated flowing through the surface of the surface coolers is realized, the temperature and humidity of the air 13 to be treated are reduced, then the air 13 to be treated flows through the multi-element heat exchanger 2, the multi-element heat exchanger 2 can deeply cool the air 13 to be treated, the temperature and humidity of the air 13 to be treated are further reduced before the air 13 to be treated enters the dehumidification rotating wheel unit, the moisture absorbed by the moisture absorption materials in the dehumidification rotating wheel is reduced, the energy consumption generated by the heating of the regenerated air in the dehumidification rotating wheel is reduced, the self-supply of the cold source of the rotating wheel dehumidification device is realized, the application range and the condition limit of the rotating wheel dehumidification device are expanded, the investment cost and the loss in the using process caused by long-distance pipeline transportation of the cold source of the traditional rotating wheel dehumidification device are saved, the efficiency of the cooling machine room refrigerating unit to meet the low-temperature water is avoided, the heat source is fully released, the heat of the multi-element heat exchange refrigerating system is fully discharged, the energy consumption is fully discharged, and the energy consumption of the heat of the cooling system is fully discharged and the heat source of the cooling system is fully reduced. In summary, the present utility model effectively overcomes the disadvantages of the prior art and has high industrial utility value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (8)

1. The utility model provides a rotating wheel dehydrating unit of self-supply cold source for treat the wind (13) and dehumidify and cool down processing, its characterized in that includes:

the cooling medium surface cooling heat exchange system comprises a first surface cooler (6), a medium circulating pump (9) and a cooling medium (10), wherein the first surface cooler (6) is communicated with the medium circulating pump (9) and circulates the cooling medium (10);

a multiple heat exchange system, the multiple heat exchange system comprising: the refrigeration system comprises a refrigeration medium (1), a multi-element heat exchanger (2) and a compression condensing assembly, wherein the multi-element heat exchanger (2) is communicated with the compression condensing assembly and circulates the refrigeration medium (1), the compression condensing assembly processes the refrigeration medium (1) into a low-temperature low-pressure liquid refrigeration medium (1), the low-temperature low-pressure liquid refrigeration medium (1) enters the multi-element heat exchanger (2) to absorb heat by evaporation, so that the surface temperature of the multi-element heat exchanger (2) is reduced, and the cooling medium (10) flows through the multi-element heat exchanger (2) to exchange heat with the refrigeration medium (1); after the cooling medium (10) of the first surface cooler (6) exchanges heat with the wind (13) to be treated, the cooling medium (10) with high temperature flows through the multi-element heat exchanger (2), after the cooling medium (10) with high temperature exchanges heat with the refrigerating medium (1), the cooling medium (10) with low temperature flows back to the first surface cooler (6), and the multi-element heat exchange system provides a cold source for the first surface cooler (6) so as to meet the heat exchange between the first surface cooler (6) and the wind (13) to be treated flowing through the surface of the multi-element heat exchanger;

the air cooling heat exchange system controls the wind (13) to be treated to sequentially flow through the first surface cooler (6) and the multiple heat exchangers (2);

after the air (13) to be treated flows through the first surface cooler (6) and exchanges heat with the cooling medium (10), the temperature and the humidity of the air (13) to be treated are reduced; then flows through the multiple heat exchanger (2), and the multiple heat exchanger (2) further reduces the temperature and humidity of the wind (13) to be treated.

2. The self-cooling source-supplying rotary dehumidifier device of claim 1, wherein: the compression condensation assembly comprises a condenser (3), a refrigeration compressor (4) and a throttle valve (5), wherein the multi-element heat exchanger (2) is sequentially communicated with the refrigeration compressor (4), the condenser (3) and the throttle valve (5) and circularly circulates the refrigeration medium (1), the refrigeration medium (1) enters the condenser (3) through the gaseous refrigeration medium (1) with high temperature and high pressure after being compressed by the refrigeration compressor (4), the condenser (3) condenses the gaseous refrigeration medium (1) with high temperature and high pressure into the liquid refrigeration medium (1) with low temperature and high pressure, the liquid refrigeration medium (1) with low temperature and low pressure enters the multi-element heat exchanger (2) after being regulated by the throttle valve (5), the liquid refrigeration medium (1) with low temperature and low pressure is evaporated and absorbed in the multi-element heat exchanger (2), the surface temperature of the multi-element heat exchanger (2) is reduced, and the cooling medium (10) flows through the multi-element heat exchanger (2) and the liquid refrigeration medium (1) with low temperature and the cooling medium (10).

3. The self-cooling source-supplying rotary dehumidifier device of claim 2, wherein: the cooling medium surface-cooling heat exchange system further comprises a second surface cooler (7), after the cooling medium (10) flows through the multi-element heat exchanger (2) and is subjected to heat exchange with the cooling medium (1) of the multi-element heat exchange system, the cooling medium (10) at low temperature flows out of the multi-element heat exchanger (2) and then is split, a first branch (10 a) after the split flows through the inner cavity of the first surface cooler (6), a second branch (10 b) formed by the split flows through the inner cavity of the second surface cooler (7) and is used for performing heat exchange with air (13) to be treated, which flows through the outer surfaces of the first surface cooler (6) and the second surface cooler (7), so that the temperature and the humidity of the air (13) to be treated are reduced.

4. The self-cooling source-supplying rotary dehumidifier device of claim 3, wherein: the air cooling heat exchange system comprises one or more dehumidification runner units of the dehumidification runner, an air duct and a treatment fan (16), wherein the treatment fan (16) drives the air (13) to be treated to flow in the air duct and flow out after sequentially passing through the first surface cooler (6), the multiple heat exchanger (2), the dehumidification runner units and the second surface cooler (7).

5. The self-cooling source-supplying rotary dehumidifier apparatus of claim 4, wherein: the dehumidification runner unit comprises a first dehumidification runner (14) and a second dehumidification runner (15), a third surface cooler (8) is further arranged between the first dehumidification runner (14) and the second dehumidification runner (15), a low-temperature cooling medium (10) flows out of the multi-element heat exchanger (2) and then is split to form a third branch (10 c), and the third branch (10 c) flows through an inner cavity of the third surface cooler (8) to be subjected to heat exchange with air (13) to be treated flowing through the outer surface of the third surface cooler (8) so as to reduce the temperature and humidity of the air (13) to be treated.

6. The self-cooling source-supplying rotary dehumidifier apparatus of claim 4, wherein: the fan in the condenser (3) sucks fresh air (17), and after the fresh air (17) exchanges heat with the high-temperature and high-pressure gaseous refrigeration medium (1) in the condenser (3), the high-temperature fresh air (17) enters the regeneration side inlet air duct of the dehumidification rotating wheel unit so as to raise the temperature of the air in the regeneration side inlet air duct.

7. The self-cooling source-supplying rotary dehumidifier device of claim 1, wherein: the outflow end of the cooling medium (10) of the first surface cooler (6) is provided with a first regulating valve (18) for the cooling medium (10) to flow into the multi-element heat exchanger (2) after flowing through the first surface cooler (6) and being regulated by the first regulating valve (18) to exchange heat with the refrigerating medium (1).

8. The self-cooling rotating wheel dehumidification device according to claim 4, wherein; in case the desiccant rotor unit comprises only one desiccant rotor, the process fan (16) is located between one of the desiccant rotors and the second surface cooler (7); in case the desiccant rotor unit comprises two desiccant rotors, the process fan (16) is located between the two desiccant rotors.