CN117889498A - Double-condensation isothermal dehumidification system - Google Patents
Double-condensation isothermal dehumidification system Download PDFInfo
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- CN117889498A CN117889498A CN202410060307.4A CN202410060307A CN117889498A CN 117889498 A CN117889498 A CN 117889498A CN 202410060307 A CN202410060307 A CN 202410060307A CN 117889498 A CN117889498 A CN 117889498A
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- evaporator
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 53
- 238000009833 condensation Methods 0.000 title claims abstract description 31
- 239000003507 refrigerant Substances 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 230000005494 condensation Effects 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000498 cooling water Substances 0.000 claims description 19
- 230000009977 dual effect Effects 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 238000005265 energy consumption Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F3/153—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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention provides a double-condensation isothermal dehumidification system, and belongs to the technical field of air dehumidification; the heat pump water heater comprises a first circulating system, wherein the first circulating system comprises a compressor, the output end of the compressor is connected with a first heat exchanger through a tee joint, the other end of the tee joint is connected with a liquid reservoir through a second heat exchanger, the other end of the liquid reservoir is connected with an expansion valve, and the other end of the first heat exchanger is connected with a regulating valve. According to the invention, the coil pipe and the heat exchanger are added in the conventional dehumidification system, and are positioned at the left side and the right side of the evaporator, when the novel air conditioner is used, the coil pipe and the evaporator sequentially condense fresh air, the mixing proportion of the refrigerant is controlled by the regulating valve, and the heating quantity of the first heat exchanger to the fresh air is regulated so as to ensure the constant temperature in a room, so that the temperature and the humidity in the room meet the requirements of users through a double condensation technology and multiple constant temperature dehumidification cycles, and the novel air conditioner is more suitable for being used in seasons with rainy spring.
Description
Technical Field
The invention relates to the technical field of air dehumidification, in particular to a double-condensation isothermal dehumidification system.
Background
With the development of modern economy, the newly-built building mostly adopts a passive energy-saving building form, adopts an enclosure structure with higher heat insulation performance and air tightness, utilizes a heat pump system, furthest reduces the cooling energy consumption, improves the energy utilization rate, and provides a more comfortable residential building with less energy consumption.
The existing dehumidification technology comprises a compressor, a condenser, an expansion valve and an evaporator system, the dehumidification mode is cooling and dehumidification when passing through the evaporator, the wind temperature of fresh air can be reduced when the system is used, the system is not suitable in seasons with rainy spring but proper temperature, and therefore an isothermal dehumidification system needs to be designed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-condensation isothermal dehumidification system to solve the problems that the existing dehumidification mode is to cool and dehumidify through an evaporator, the wind temperature of fresh air can be reduced when the system is used, and the system is not applicable in seasons with rainy spring but proper temperature.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a two isothermal dehumidification systems that condense, includes first circulation system, first circulation system includes the compressor, the output of compressor is connected with first heat exchanger through the tee bend, the other end of tee bend is connected with the reservoir through the second heat exchanger, the other end of reservoir is connected with the expansion valve, the other end of first heat exchanger is connected with the governing valve, be connected with the evaporimeter after the other end of expansion valve and governing valve mixes, the other end of evaporimeter is connected with the output of compressor, still includes second circulation system, second circulation system includes feed liquor pipe and drain pipe, the feed liquor pipe is connected with the coil pipe through first three-way pipe, the other end of first three-way pipe is connected with the second three-way pipe through the second heat exchanger, the one end and the coil pipe of second three-way pipe are connected, the other end and the drain pipe of second three-way pipe are connected, coil pipe, evaporimeter and first heat exchanger set up side by side and form the passageway, the right side of first heat exchanger is provided with the fan.
Preferably, the first heat exchanger is a fin heat exchanger, and the second heat exchanger is a plate heat exchanger.
Preferably, the evaporator is located between the coil and the first heat exchanger.
Preferably, the regulating valve is used for regulating the mixing proportion of the refrigerant flowing out of the expansion valve.
Preferably, the coil, evaporator and first heat exchanger are all disposed inside the room.
Preferably, the air conditioner further comprises a controller, a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is arranged in a room, the second temperature sensor is arranged at the outlet end of the air supply channel, the second temperature sensor is used for detecting the air temperature and transmitting signals to the controller, and the controller controls the mixing proportion through the regulating valve.
Preferably, the control method of the dual condensation isothermal dehumidification system comprises the following steps:
step one, connecting a liquid inlet pipe with cooling water, enabling the cooling water to enter from the liquid inlet pipe by an external circulating pump, discharging one path of cooling water from a liquid outlet pipe through a first three-way pipe, a second heat exchanger and a second three-way pipe, and discharging the other path of cooling water from the liquid outlet pipe through the first three-way pipe, a coil pipe and the second three-way pipe;
step two, starting a fan to enable air to flow, enabling fresh air to enter the room along the coil, the evaporator and the first heat exchanger, and enabling the temperature of the fresh air to be reduced and energy consumption of the evaporator to be reduced due to the fact that cooling water flows in the coil and the fresh air passing through the coil is precooled.
Starting a compressor in dehumidification, changing the refrigerant into a high-temperature high-pressure refrigerant through the compressor, enabling a part of the high-temperature high-pressure gaseous refrigerant formed through the compressor to enter a second heat exchanger to exchange heat with cooling water, enabling the refrigerant to enter an evaporator through an expansion valve, enabling fresh air to pass through the evaporator and then cool and dehumidify, enabling vapor in air to condense into dew, discharging the dew out of the room through a pipeline, enabling the air temperature to be low, enabling the other part of the high-temperature high-pressure gaseous refrigerant to pass through a first heat exchanger and then become medium-temperature high-pressure liquid, enabling the fresh air to pass through the first heat exchanger and then be heated, and accordingly increasing the air temperature to blow into a room, enabling the medium-temperature high-pressure liquid to become medium-temperature low-pressure liquid after passing through an adjusting valve, enabling the medium-temperature high-pressure liquid to act on the evaporator together with the refrigerant from the expansion valve and then returning to the compressor to complete circulation.
Preferably, the control method of the dual condensation isothermal dehumidification system comprises the following steps:
step one, connecting a liquid inlet pipe with a medium-temperature low-pressure liquid-state secondary refrigerant, enabling the secondary refrigerant to enter from the liquid inlet pipe by an external circulating pump, discharging one path of secondary refrigerant from a liquid outlet pipe through a first three-way pipe, a second heat exchanger and a second three-way pipe, and discharging the other path of secondary refrigerant water from the liquid outlet pipe through the first three-way pipe, a coil pipe and the second three-way pipe;
step two, starting a fan to enable air to flow, enabling fresh air to enter the room along the coil, the evaporator and the first heat exchanger, enabling the fresh air to flow in the coil and evaporate and absorb heat at the moment, enabling the temperature of the fresh air to be reduced due to the fact that the fresh air passing through the coil is precooled, and reducing energy consumption of the evaporator.
Starting a compressor in dehumidification, changing the refrigerant into a high-temperature high-pressure refrigerant through the compressor, enabling a part of the high-temperature high-pressure gaseous refrigerant formed through the compressor to enter a second heat exchanger, enabling the refrigerant to exchange heat with the refrigerant due to the fact that the refrigerant absorbs heat in the second heat exchanger to be gaseous, enabling the refrigerant to enter an evaporator through an expansion valve, enabling fresh air to pass through the evaporator and then cool and dehumidify, enabling vapor in the air to condense into dew, discharging the dew out of the air through a pipeline, enabling the air temperature to be low at the moment, enabling the other part of the high-temperature high-pressure gaseous refrigerant to be changed into medium-temperature high-pressure liquid after passing through the first heat exchanger, enabling fresh air to be heated after passing through the first heat exchanger, enabling the temperature to rise, enabling the medium-temperature high-pressure liquid to be changed into medium-temperature low-pressure liquid after passing through a regulating valve, enabling the medium-temperature high-pressure liquid to act on the evaporator together with the refrigerant from the expansion valve, and enabling the liquid to return to the compressor to complete circulation.
Compared with the prior art, the invention has at least the following beneficial effects:
in the scheme, isothermal dehumidification is performed by arranging two sets of circulating systems, the first circulating system condenses the refrigerant discharged from the compressor through the plate heat exchanger, the second circulating system can be connected with cooling water and also can be connected with a medium-temperature low-pressure liquid-state secondary refrigerant passing through the compressor and the condenser for circulation, fresh air can be cooled in advance through a coil pipe when the device is used, then the fresh air is dehumidified through the cooling of an evaporator, and finally the fresh air is heated through the first heat exchanger, so that the air supply temperature is proper.
In the scheme, the coil pipe and the heat exchanger are added in the conventional dehumidification system, the coil pipe and the heat exchanger are arranged on the left side and the right side of the evaporator, fresh air is condensed by the coil pipe and the evaporator in sequence during use, the mixing proportion of the refrigerant is controlled by the regulating valve, the heating capacity of the first heat exchanger to the fresh air is regulated, so that the temperature inside a room is kept constant, the temperature and the humidity in the room are enabled to meet the requirements of users through a double-condensation technology and repeated constant-temperature dehumidification circulation, and the novel dehumidification system is more suitable for being used in seasons with rainy spring.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic diagram of a connection structure of a dual condensation isothermal dehumidification system;
FIG. 2 is a schematic diagram of the flow direction structure of the refrigerant of the dual condensation isothermal dehumidification system;
FIG. 3 is a schematic diagram of the structure of a dual condensation isothermal dehumidification system after installation;
fig. 4 is a schematic diagram of a dual condensation isothermal dehumidification system with temperature control.
[ reference numerals ]
1. A compressor; 2. a second heat exchanger; 3. a reservoir; 4. an expansion valve; 5. a regulating valve; 6. a coiled pipe; 7. an evaporator; 8. a first heat exchanger; 9. a blower; 10. a liquid inlet pipe; 11. a liquid outlet pipe; 12. a first tee; 13. a second tee; 14. an air supply channel; 15. a room; 16. a controller; 17. a first temperature sensor; 18. and a second temperature sensor.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The following describes a dual condensation isothermal dehumidification system provided by the invention in detail with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It will be understood that the meanings of "on … …", "over … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" but also includes meaning "directly on" something with intervening features or layers therebetween, and "over … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1 to 4, an embodiment of the present invention provides a dual condensation isothermal dehumidification system, including a first circulation system, where the first circulation system includes a compressor 1, the compressor 1 is used to compress low-temperature low-pressure refrigerant gas into high-temperature high-pressure gas and then discharge the high-pressure gas, an output end of the compressor 1 is connected with a first heat exchanger 8 through a tee, another end of the tee is connected with a liquid storage 3 through a second heat exchanger 2, another end of the liquid storage 3 is connected with an expansion valve 4, another end of the first heat exchanger 8 is connected with a regulating valve 5, another end of the expansion valve 4 and another end of the regulating valve 5 are connected with an evaporator 7 after being mixed, another end of the evaporator 7 is connected with an output end of the compressor 1, and further includes a second circulation system, the second circulation system comprises a liquid inlet pipe 10 and a liquid outlet pipe 11, wherein the liquid inlet pipe 10 is connected with a coil pipe 6 through a first three-way pipe 12, the other end of the first three-way pipe 12 is connected with a second three-way pipe 13 through a second heat exchanger 2, one end of the second three-way pipe 13 is connected with the coil pipe 6, the other end of the second three-way pipe 13 is connected with the liquid outlet pipe 11, the coil pipe 6, the evaporator 7 and the first heat exchanger 8 are arranged side by side to form an air supply channel 14, the right side of the first heat exchanger 8 is provided with a fan 9, after the fan 9 is started, fresh air is cooled and dehumidified through the coil pipe 6 and the evaporator 7, and then the fresh air is heated through the first heat exchanger 8, so that the rising air temperature blows into a room, and the faster circulation of the fresh air is ensured.
In the present embodiment, the first heat exchanger 8 is a fin heat exchanger and the second heat exchanger 2 is a plate heat exchanger.
In this way, when the dual condensation isothermal dehumidification system is in operation, the first heat exchanger 8 and the second heat exchanger 2 perform better evaporation and condensation, so as to dehumidify and cool indoor air.
As shown in fig. 1 and 2, in this embodiment, the evaporator 7 is located between the coil 6 and the first heat exchanger 8.
The new trend that sets up like this can be earlier through coil pipe 6 cooling down in advance, then make the evaporimeter 7 cooling down dehumidify the new trend through compressor 1 compression refrigerant, heat the new trend through first heat exchanger 8 again at last to guarantee that the wind temperature is comfortable.
In this embodiment, the adjusting valve 5 is used for adjusting the mixing ratio of the refrigerant flowing out of the expansion valve 4, so as to ensure that the temperature of fresh air heating is suitable, and better meet the requirements of users.
As shown in fig. 2 and 3, in the present embodiment, the coil 6, the evaporator 7 and the first heat exchanger 8 are all disposed inside the room 15, so that isothermal dehumidification of indoor air can be performed.
As shown in fig. 3 and 4, in the present embodiment, the air conditioner further includes a controller 16, a first temperature sensor 17 and a second temperature sensor 18, the first temperature sensor 17 is disposed in the room 15, the second temperature sensor 18 is disposed at the outlet end of the air supply channel 14, the second temperature sensor 18 is used for detecting the air outlet temperature and transmitting a signal to the controller 16, and the controller 16 controls the mixing ratio through the regulating valve 5.
Various instructions, such as constant temperature dehumidification and common refrigeration instructions, can be set on the controller 16, a user can send instructions to the double condensation isothermal dehumidification system through operating the controller 16, so that switching of working modes is achieved, an optional user can send voice instructions or click a screen/key of the controller 16 to achieve operation of the controller 16, and a specific operation mode can be adjusted according to actual requirements, and the embodiment is not limited;
when the dual condensation isothermal dehumidification system executes a dehumidification mode, the controller 16 obtains the internal temperature of the room 15 through the first temperature sensor 17, meanwhile, the second temperature sensor 18 obtains the air outlet temperature, and according to the detection result, the controller 16 controls the opening degree of the regulating valve 5, so that the mixing proportion of the refrigerant of the regulating valve 5 is regulated, the internal temperature of the room 15 is ensured to be constant, and the temperature and the humidity in the room meet the requirements of users through the constant temperature dehumidification mode of precooling, dehumidification and heating.
In this embodiment, the control method of the dual condensation isothermal dehumidification system includes the following steps:
step one, connecting a liquid inlet pipe 10 with cooling water, enabling the cooling water to enter from the liquid inlet pipe 10 by an external circulating pump, discharging one path of cooling water from a liquid outlet pipe 11 through a first three-way pipe 12, a second heat exchanger 2 and a second three-way pipe 13, and discharging the other path of cooling water from the liquid outlet pipe 11 through the first three-way pipe 12, a coil pipe 6 and the second three-way pipe 13;
step two, the fan 9 is started to enable air to flow, fresh air enters the room along the coil pipe 6, the evaporator 7 and the first heat exchanger 8, and at the moment, the cooling water flows in the coil pipe 6, and the fresh air passing through the coil pipe 6 is precooled to enable the temperature of the fresh air to be reduced, so that the energy consumption of the evaporator 7 is reduced.
Step three, starting the compressor 1 during dehumidification, changing the refrigerant into high-temperature high-pressure refrigerant through the compressor 1, enabling part of the high-temperature high-pressure gaseous refrigerant formed through the compressor 1 to enter the second heat exchanger 2 to exchange heat with cooling water, enabling the refrigerant to enter the evaporator 7 through the expansion valve 4, enabling fresh air to pass through the evaporator 7 to cool and dehumidify, enabling water vapor in air to condense into dew, discharging the dew out of the room through a pipeline, enabling the air temperature to be lower at the moment, enabling the other part of the high-temperature high-pressure gaseous refrigerant to pass through the first heat exchanger 8 and become medium-temperature high-pressure liquid, enabling the fresh air to pass through the first heat exchanger 8 and then to rise in temperature, enabling the air temperature to rise to be blown into a room, enabling the medium-temperature high-pressure liquid to pass through the regulating valve 5 and then to act on the evaporator 7 together with the refrigerant from the expansion valve 4 and then to return to the compressor 1 to complete circulation.
In this embodiment, the control method of the dual condensation isothermal dehumidification system includes the following steps:
step one, connecting a liquid inlet pipe 10 with a medium-temperature low-pressure liquid-state secondary refrigerant, enabling the secondary refrigerant to enter from the liquid inlet pipe 10 by an external circulating pump, discharging one path of secondary refrigerant from a liquid outlet pipe 11 through a first three-way pipe 12, a second heat exchanger 2 and a second three-way pipe 13, and discharging the other path of secondary refrigerant water from the liquid outlet pipe 11 through the first three-way pipe 12, a coil pipe 6 and the second three-way pipe 13;
step two, the fan 9 is started to enable air to flow, fresh air enters the room along the coil pipe 6, the evaporator 7 and the first heat exchanger 8, and at the moment, because the secondary refrigerant flows in the coil pipe 6 and evaporates to absorb heat, the fresh air passing through the coil pipe 6 is precooled to enable the temperature of the fresh air to be reduced, and the energy consumption of the evaporator 7 is reduced.
Step three, starting the compressor 1 during dehumidification, wherein the refrigerant is changed into a high-temperature high-pressure refrigerant through the compressor 1, a part of the high-temperature high-pressure gaseous refrigerant formed by the compressor 1 enters the second heat exchanger 2, the heat of the secondary refrigerant is absorbed in the second heat exchanger 2 and changed into a gaseous state to exchange heat with the refrigerant, the refrigerant enters the evaporator 7 again through the expansion valve 4, the fresh air is cooled and dehumidified after passing through the evaporator 7, the vapor in the air is condensed into dew, the dew is discharged out of the room through a pipeline, at the moment, the air temperature is low, and the other part of the high-temperature high-pressure gaseous refrigerant is changed into a medium-temperature high-pressure liquid after passing through the first heat exchanger 8, at the moment, the fresh air is heated after passing through the first heat exchanger 8, so that the air temperature is raised and blown into a room, the medium-temperature high-pressure liquid is changed into a medium-temperature low-pressure liquid after passing through the regulating valve 5, and the refrigerant from the expansion valve 4 acts on the evaporator 7 and returns to the compressor 1 to complete circulation.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the following description of preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the embodiments described above may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as: ROM/RAM, magnetic disks, optical disks, etc.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The double-condensation isothermal dehumidification system is characterized by comprising a first circulation system, wherein the first circulation system comprises a compressor (1), the output end of the compressor (1) is connected with a first heat exchanger (8) through a tee joint, the other end of the tee joint is connected with a liquid reservoir (3) through a second heat exchanger (2), the other end of the liquid reservoir (3) is connected with an expansion valve (4), the other end of the first heat exchanger (8) is connected with a regulating valve (5), an evaporator (7) is connected after the other ends of the expansion valve (4) and the regulating valve (5) are mixed, and the other end of the evaporator (7) is connected with the output end of the compressor (1);
still include second circulation system, second circulation system includes feed liquor pipe (10) and drain pipe (11), feed liquor pipe (10) are connected with coil pipe (6) through first three-way pipe (12), the other end of first three-way pipe (12) is connected with second three-way pipe (13) through second heat exchanger (2), the one end and the coil pipe (6) of second three-way pipe (13) are connected, the other end and the drain pipe (11) of second three-way pipe (13) are connected, coil pipe (6), evaporimeter (7) and first heat exchanger (8) set up side by side and form air supply channel (14), the right side of first heat exchanger (8) is provided with fan (9).
2. The double condensation isothermal dehumidification system according to claim 1, wherein the first heat exchanger (8) is a fin heat exchanger and the second heat exchanger (2) is a plate heat exchanger.
3. A double condensation isothermal dehumidification system according to claim 1, characterized in that the evaporator (7) is located between the coil (6) and the first heat exchanger (8).
4. A double condensation isothermal dehumidification system according to claim 1, wherein the regulating valve (5) is adapted to regulate the mixing ratio with the refrigerant exiting the expansion valve (4).
5. The dual condensation isothermal dehumidification system according to claim 1, wherein the coil (6), the evaporator (7) and the first heat exchanger (8) are all arranged inside a room (15).
6. The dual condensation isothermal dehumidification system according to claim 5, further comprising a controller (16), a first temperature sensor (17) and a second temperature sensor (18), wherein the first temperature sensor (17) is arranged inside a room (15), the second temperature sensor (18) is arranged at an outlet end of the air supply channel (14), the second temperature sensor (18) is used for detecting an air outlet temperature and transmitting a signal to the controller (16), and the controller (16) controls a mixing ratio through the regulating valve (5).
7. The dual condensation isothermal dehumidification system according to any of claims 1-6, wherein the control method of the dual condensation isothermal dehumidification system comprises the steps of:
step one, connecting a liquid inlet pipe (10) with cooling water, enabling the cooling water to enter from the liquid inlet pipe (10) by an external circulating pump, discharging one path of cooling water from a liquid outlet pipe (11) through a first three-way pipe (12), a second heat exchanger (2) and a second three-way pipe (13), and discharging the other path of cooling water from the liquid outlet pipe (11) through the first three-way pipe (12), a coil pipe (6) and the second three-way pipe (13);
step two, starting a fan (9) to enable air to flow, enabling fresh air to enter a room along a coil (6), an evaporator (7) and a first heat exchanger (8), and enabling the fresh air to be cooled through precooling of the coil (6) due to the fact that cooling water flows in the coil (6), so that the temperature of the fresh air is reduced, and energy consumption of the evaporator (7) is reduced.
Starting a compressor (1) during dehumidification, changing the refrigerant into a high-temperature high-pressure refrigerant through the compressor (1), enabling a part of the high-temperature high-pressure gaseous refrigerant formed through the compressor (1) to enter a second heat exchanger (2) to exchange heat with cooling water, enabling the refrigerant to enter an evaporator (7) through an expansion valve (4), enabling fresh air to pass through the evaporator (7) and then cool and dehumidify, enabling vapor in the air to condense into dew, discharging the dew out of the air through a pipeline, enabling the air temperature to be lower at the moment, enabling the other part of the high-temperature high-pressure gaseous refrigerant to become medium-temperature high-pressure liquid after passing through a first heat exchanger (8), enabling the fresh air to be heated after passing through the first heat exchanger (8), and enabling the medium-temperature high-pressure liquid to be changed into medium-temperature low-pressure liquid after passing through a regulating valve (5), enabling the medium-temperature high-pressure liquid to act on the evaporator (7) together with the refrigerant from the expansion valve (4), and enabling the other part of the liquid to return to the compressor (1) to complete circulation.
8. The dual condensation isothermal dehumidification system according to any of claims 1-6, wherein the control method of the dual condensation isothermal dehumidification system comprises the steps of:
step one, connecting a liquid inlet pipe (10) with a medium-temperature low-pressure liquid-state secondary refrigerant, enabling the secondary refrigerant to enter from the liquid inlet pipe (10) by an external circulating pump, discharging one path of secondary refrigerant from a liquid outlet pipe (11) through a first three-way pipe (12), a second heat exchanger (2) and a second three-way pipe (13), and discharging the other path of secondary refrigerant water from the liquid outlet pipe (11) through the first three-way pipe (12), a coil pipe (6) and the second three-way pipe (13);
step two, starting a fan (9) to enable air to flow, enabling fresh air to enter a room along a coil (6), an evaporator (7) and a first heat exchanger (8), enabling fresh air to be cooled through precooling of the fresh air of the coil (6) at the moment due to the fact that a secondary refrigerant flows in the coil (6) and absorbs heat through evaporation, and reducing energy consumption of the evaporator (7).
Starting a compressor (1) when dehumidification is performed, enabling the refrigerant to be changed into a high-temperature high-pressure refrigerant through the compressor (1), enabling a part of the high-temperature high-pressure gaseous refrigerant formed through the compressor (1) to enter a second heat exchanger (2), enabling the refrigerant to absorb heat in the second heat exchanger (2) to be changed into a gaseous state, enabling the gaseous refrigerant to exchange heat with the refrigerant, enabling the gaseous refrigerant to enter an evaporator (7) through an expansion valve (4), enabling fresh air to pass through the evaporator (7) and then to cool and dehumidify, enabling vapor in the air to be condensed into dew, discharging the dew out of the air through a pipeline, enabling the air temperature to be low at the moment, enabling the other part of the high-temperature high-pressure gaseous refrigerant to pass through a first heat exchanger (8) and then to be changed into a medium-temperature high-pressure liquid, enabling the fresh air to be heated after passing through the first heat exchanger (8), enabling the medium-temperature high-pressure liquid to be changed into a medium-temperature low-pressure liquid after passing through the adjustment valve (5), enabling the medium-temperature high-pressure liquid to act on the evaporator (7) together with the refrigerant from the expansion valve (4) and then to return to the compressor (1) to complete circulation.
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| CN202410060307.4A CN117889498A (en) | 2024-01-16 | 2024-01-16 | Double-condensation isothermal dehumidification system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118565016A (en) * | 2024-07-29 | 2024-08-30 | 格瑞海思人居环境科技(江苏)有限公司 | Five permanent new fan of compact integral type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118565016A (en) * | 2024-07-29 | 2024-08-30 | 格瑞海思人居环境科技(江苏)有限公司 | Five permanent new fan of compact integral type |
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Effective date of registration: 20240902 Address after: Room 4186, Zone A, 4th Floor, Building 6, No. 88 Chenxiang Road, Jiading District, Shanghai, 201800 Applicant after: Shanghai Yuanzhi Refrigerating Air-Conditioning Technology Co.,Ltd. Country or region after: China Address before: 201399, No. 138 Xuanchun Road, Xuanqiao Town, Pudong New Area, Shanghai Applicant before: Shanghai Yuanzhi Electric Co.,Ltd. Country or region before: China |