CN217636254U - Novel refrigerating plant based on steam cryogen - Google Patents
Novel refrigerating plant based on steam cryogen Download PDFInfo
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- CN217636254U CN217636254U CN202221294038.0U CN202221294038U CN217636254U CN 217636254 U CN217636254 U CN 217636254U CN 202221294038 U CN202221294038 U CN 202221294038U CN 217636254 U CN217636254 U CN 217636254U
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Abstract
The utility model relates to a novel refrigerating device based on vapor refrigerant, which comprises a heat exchanger and a water atomization device, wherein the water atomization device is arranged at one side of the heat exchanger, the water atomization device and a gas regulating device are matched to form vapor fog, and non-boiling evaporation refrigeration is carried out under the micro-negative pressure environment with the pressure lower than the atmospheric pressure of the environment by more than 20 Pa; the evaporation side fan is used for forming negative pressure, so that the vapor fog is evaporated to the negative pressure along C-D direction in the heat exchanger for heat absorption and refrigeration; and the heat exchange side fan is used for discharging air in the space to be cooled after heat exchange is completed along the A-B direction in the micro-channel of the suction heat exchanger. The beneficial effects are as follows: the novel refrigerating device has the advantages of simple structure, low energy consumption, low cost and good refrigerating effect. The refrigerant circulation is driven without using a compressor, and the water vapor refrigerant generated by cheap water and air is used for negative pressure evaporation refrigeration, so that the complexity of equipment is greatly reduced, and the manufacturing cost and the running cost are reduced.
Description
Technical Field
The utility model relates to a refrigeration field, in particular to novel refrigerating plant based on steam cryogen.
Background
The refrigerating device applied to indoor refrigeration at present mostly adopts a vapor compression type refrigerating mode, a refrigerant is circulated through a compressor, the refrigerating device mainly comprises the compressor, a condenser, a throttling device, an evaporator and the like, during refrigeration, the compressor extracts the refrigerant from the evaporator, compresses the refrigerant and then sends the compressed refrigerant to the condenser for cooling and condensation, heat emitted by the condenser is discharged to the air, and the refrigerant is changed into a liquid state from a gaseous state. The refrigerant is throttled by the throttling device from the condenser, the pressure of the refrigerant is suddenly reduced, the refrigerant flows through the evaporator, the liquid refrigerant is immediately changed into a gas state, and a large amount of heat in the air is absorbed by the evaporator. Thus, the compressor works continuously, the heat at one end of the evaporator is absorbed into the refrigerant and then sent to the condenser to be radiated into the air, and at the moment, the refrigerant absorbs heat from the indoor and releases heat outdoors, and the indoor temperature is reduced after circulation. The refrigeration in this way has the disadvantage of high energy consumption. In the refrigeration field and the daily operation cost of a refrigeration device, the proportion of the electric charge is more than 50%, and the attention of the international society on the aspects of energy conservation, emission reduction and environmental protection is continuously strengthened, so that the improvement of the energy consumption efficiency of the system is a necessary way.
Therefore, the utility model discloses a novel refrigerating plant based on steam cryogen that provides a simple structure, low energy consumption, with low costs, refrigeration effect is good is the utility model discloses an innovative machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a simple structure, low energy consumption, with low costs, the refrigeration effect is good novel refrigerating plant based on steam cryogen.
The utility model provides a pair of novel refrigerating plant based on steam cryogen, its technical scheme is:
a novel refrigerating device based on a water vapor refrigerant comprises a heat exchanger and a water atomization device, wherein the heat exchanger is provided with bilateral bidirectional multi-row microchannels, the water atomization device is arranged on one side of the heat exchanger and comprises a gas adjusting device, and the water atomization device and the gas adjusting device are matched to form vapor mist; the heat exchanger is provided with a heat exchange side fan and an evaporation side fan, and the evaporation side fan is used for forming negative pressure so that vapor fog in the heat exchanger is evaporated to absorb heat to refrigerate along the C-D direction; the heat exchange side fan is used for sucking air in the space to be cooled into the micro-channel of the heat exchanger along the direction A-B, and the air is discharged into the space to be cooled after heat exchange in the micro-channel is completed.
Preferably, the heat exchanger has microchannels which intersect transversely and longitudinally, the transverse microchannels being separated from the longitudinal microchannels by fins.
Preferably, a static pressure box is arranged at the joint of the heat exchange side fan and the shell; and a static pressure box is arranged at the joint of the evaporation side fan and the shell.
Preferably, the pressure in the cavity of the water atomization device is more than 20Pa lower than the ambient atmospheric pressure.
Preferably, the heat exchange side fan is arranged on the side edge, and the evaporation side fan is arranged on the top; or the heat exchange side fan is arranged on the side edge, the evaporation side fan is arranged at the bottom, and the lower part of the evaporation side fan is provided with a water recovery pipe.
Preferably, the refrigerating device is provided with a plurality of heat exchange side fans and evaporation side fans, and the plurality of heat exchange side fans are arranged in a layered mode.
Preferably, the heat exchanger is a recuperator or a shell-and-tube heat exchanger.
Preferably, the water atomization device is a high pressure pump atomizer;
or the water atomization device is a compressed air atomizer;
or the water atomization device is an ultrasonic atomizer.
Preferably, a water softening device is arranged on a pipeline for supplying water to the water atomization device.
Preferably, the air regulating device is an electric air valve and a negative pressure sensor.
The utility model discloses an implement including following technological effect:
the utility model discloses a novel refrigerating plant based on steam cryogen, simple structure, low energy consumption, with low costs, refrigeration effect are good, can avoid outdoor humiture to influence indoorly. The utility model discloses the cryogen is done to the use water, forms vapour fog through atomizing water and air mixture, can the evaporation refrigeration under little negative pressure, and this refrigerating plant need not to use compressor drive refrigerant circulation (vapor compression formula circulation refrigeration), and system refrigeration efficiency (COP) is greater than 10. The complexity of the equipment is greatly reduced, and the manufacturing cost and the running cost are reduced.
The mixed gas of water and air under negative pressure is used as refrigerant, atomized water drops generated by a water atomization device form vapor fog under the cooperation of an evaporation side fan and a gas regulating device at the negative pressure evaporation side, and in the process of passing through a heat exchanger micro-channel, non-boiling evaporation refrigeration is carried out under the micro-negative pressure environment with the pressure more than 20Pa lower than the environmental atmospheric pressure; specifically, each water droplet continuously absorbs heat through radiation or conduction, water molecules on the surface of the water droplet are easy to separate from the internal acting force of the water droplet and escape out under the double actions of negative pressure and radiation, negative pressure evaporation absorbs heat, or atomized large water droplets are further cracked into small water droplets to absorb heat, so that the hot air is cooled; on the heat exchange side, the heat exchange side fan sucks air in a space to be cooled into the air side micro-channel of the heat exchanger, heat exchange is completed in the air side micro-channel, and the air is discharged into the space to be cooled from the other side of the micro-channel, so that cooling is realized.
Drawings
Fig. 1 is a schematic structural view of a novel refrigeration device based on a vapor refrigerant according to embodiment 1 of the present invention.
Fig. 2 is a schematic view of the overlooking structure of the novel refrigeration device based on the vapor refrigerant in embodiment 1 of the present invention.
Fig. 3 is a schematic view of the structure of the novel refrigeration device based on vapor refrigerant according to embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of the novel refrigeration device based on the vapor refrigerant according to embodiment 3 of the present invention.
In the figure: 1. a heat exchanger; 2. a water atomization device; 3. a gas regulating device; 4. a heat exchange side fan; 5. an evaporation side fan; 6. a static pressure box; 7. a water recovery pipe.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit the present invention in any way.
Example 1
Referring to fig. 1 and 2, the novel refrigeration device based on the water vapor refrigerant provided by the embodiment includes a heat exchanger 1 and a water atomization device 2, the heat exchanger 1 has a bilateral bidirectional multi-row microchannel, the water atomization device 2 is arranged at one side of the heat exchanger 1, the water atomization device 2 includes an air regulation device 3, and the water atomization device 2 and the air regulation device 3 cooperate to form vapor; the heat exchanger 1 is provided with a heat exchange side fan 4 and an evaporation side fan 5, and the evaporation side fan 5 is used for forming negative pressure so that vapor fog is evaporated to the negative pressure along C-D direction in the heat exchanger 1 for absorbing heat and refrigerating; the heat exchange side fan 4 is used for sucking air in the space to be cooled into the micro-channel of the heat exchanger 1 along the direction A-B, and the air is discharged into the space to be cooled after heat exchange in the micro-channel is completed. In this embodiment, the heat exchange side fan 4 is arranged at the side, the evaporation side fan 5 is arranged at the top, as shown in fig. 1, this embodiment is described as a C-D direction and an a-B direction, the heat exchange side fan and the evaporation side fan are distributed on different sides, each side is provided with a plurality of rows of micro-channels, the C-D direction and the a-B direction are only for convenience of describing the scheme, and the steam fog direction and the air direction can be straight lines, oblique lines or curved lines. In the refrigerating device of the embodiment, mixed gas of water and air under negative pressure is used as a refrigerant, atomized water drops generated by the water atomization device 2 form a vapor fog type under the cooperation of the evaporation side fan 5 and the air regulation device 3 at the negative pressure evaporation side, and in the process of passing through the micro-channel of the heat exchanger 1, non-boiling evaporation refrigeration is carried out under the micro-negative pressure environment with the pressure lower than the ambient atmospheric pressure by more than 20 Pa; specifically, each water drop continuously absorbs heat through radiation or conduction, water molecules on the surface of the water drop are easily separated from the internal acting force of the water drop and escape out under the double action of negative pressure and radiation, and negative pressure evaporation absorbs heat, or atomized large water drops are further cracked into small water drops to absorb heat, so that the hot air is cooled; on the heat exchange side, the heat exchange side fan 4 sucks the air in the space to be cooled into the air side micro-channel of the heat exchanger 1, completes heat exchange in the air side micro-channel, and discharges the air to the space to be cooled from the other side of the micro-channel to realize temperature reduction.
The utility model discloses a novel refrigerating plant based on steam cryogen, simple structure, low energy consumption, with low costs, refrigeration effect are good. The refrigerating device does not need to use a compressor to drive a refrigerant to circulate, but utilizes a water vapor refrigerant generated by cheap water and air to refrigerate, directly discharges cold energy into a space for cooling, greatly reduces the complexity of equipment, and reduces the manufacturing cost and the running cost.
Referring to fig. 1 and 2, the heat exchanger 1 has transverse microchannels and longitudinal microchannels which are crossed, the transverse microchannels are separated from the longitudinal microchannels by fins, only energy exchange is performed between the transverse microchannels and the longitudinal microchannels, substances such as mist and the like are not exchanged, and the influence of outdoor temperature and humidity on indoor environment can be avoided. A static pressure box 6 is arranged at the joint of the heat exchange side fan 4 and the shell; a static pressure box 6 is arranged at the joint of the evaporation side fan 5 and the shell. The static pressure box 6 has the functions of reducing dynamic pressure, increasing static pressure, stabilizing air flow and reducing air flow vibration, and the static pressure box 6 can allow air flow to pass through and can effectively prevent or weaken sound energy from spreading outwards. Preferably, the pressure inside the cavity of the water atomization device 2 is 20Pa or more lower than the ambient atmospheric pressure. The air regulating device 3 is an electric air valve and a negative pressure sensor, and is matched with a top fan to form set negative pressure. When the refrigerating device works, a small amount of outdoor air can enter the cavity of the water atomization device 2 through the electric air valve, atomized water in the cavity forms steam fog and flows in an accelerating mode, atomized water evaporation and further atomized large water drops are promoted to be broken into small water drops, and the heat is absorbed by evaporation or water drop decomposition. The refrigerating device is provided with a plurality of heat exchange side fans 4 and evaporation side fans 5, the heat exchange side fans 4 are arranged in a layered mode, and the fans in corresponding quantity are arranged according to the size of the refrigerating device. The heat exchanger 1 is a dividing wall heat exchanger or a shell and tube heat exchanger.
Specifically, as an example, the water atomization device 2 is a high-pressure pump atomizer; the high-pressure water generated by the high-pressure water pump is atomized at the nozzle. As another example, or the water atomization device 2 is an ultrasonic atomizer including an ultrasonic atomization sheet that atomizes water in cooperation with ultrasonic waves. Preferably, a water softening device is arranged on a pipeline for supplying water to the water supply atomizing device 2, and scaling can be avoided after water softening. Further, the water atomization device 2 comprises a water supply pipeline which is communicated with a water tank or a water pipe and continuously supplies water into the closed shell; the water supply pipeline can be a single straight pipeline, two or more pipelines can be arranged side by side, or a single pipeline is coiled into a disc shape. A plurality of water atomization means 2 are provided, dispersed within the containment.
The refrigeration principle of the novel refrigeration device based on the water vapor refrigerant is that the water vapor refrigerant is mixed vapor formed by water and air under micro negative pressure, atomized water drops generated by the water atomization device 2 form vapor fog under the cooperation of the evaporation side fan 5 and the air regulation device 3 on the negative pressure evaporation side, and non-boiling evaporation refrigeration is carried out under the micro negative pressure environment with the pressure being more than 20Pa lower than the environmental atmospheric pressure in the process of passing through the micro channel of the heat exchanger 1; on the heat exchange side, the heat exchange side fan 4 sucks the air in the space to be cooled into the air side micro-channel of the heat exchanger 1, completes heat exchange in the air side micro-channel, and discharges the air to the space to be cooled from the other side of the micro-channel to realize temperature reduction. The embodiment does not use traditional refrigerants such as Freon, ammonia and the like to realize Carnot cycle refrigeration, but uses a water vapor refrigerant, and has low cost and no pollution.
Example 2
Referring to fig. 3, in the novel refrigeration device based on the vapor refrigerant provided by this embodiment, the water atomization device 2 is a compressed air type atomizer, and water and air in the spray head are mixed to spray vapor into the spray cavity. The shower nozzle passes through the air compressor machine interface and is connected with the air compressor machine, is connected with water storage device through the water inlet, and water atomizes under the effect of the high-pressure gas that the air compressor machine produced. Other technical solutions are the same as embodiment 1, and are not described in detail in this embodiment.
Example 3
Referring to fig. 3, in the novel refrigeration device based on the water vapor refrigerant provided by this embodiment, the heat exchange side fan 4 is disposed at the side, the evaporation side fan 5 is disposed at the bottom, and the non-evaporated atomized water droplets are recovered through the water recovery pipe 7, while the gas is removed. Other technical solutions are the same as embodiment 1, and are not described in detail in this embodiment.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a novel refrigerating plant based on steam cryogen, includes heat exchanger and water atomization device, its characterized in that: the heat exchanger is provided with bilateral bidirectional multi-column microchannels, the water atomization device is arranged on one side of the heat exchanger and comprises a gas adjusting device, and the water atomization device and the gas adjusting device are matched to form vapor fog; the heat exchanger is provided with a heat exchange side fan and an evaporation side fan, and the evaporation side fan is used for forming negative pressure so that vapor fog in the heat exchanger is evaporated to absorb heat to refrigerate along the C-D direction; the heat exchange side fan is used for sucking air in the space to be cooled into the micro-channel of the heat exchanger along the direction A-B, and the air is discharged into the space to be cooled after heat exchange in the micro-channel is completed.
2. The novel refrigeration device based on the water vapor refrigerant as claimed in claim 1, characterized in that: the heat exchanger has microchannels which intersect transversely and longitudinally.
3. The novel water vapor refrigerant-based refrigeration device as claimed in claim 1, wherein: a static pressure box is arranged at the joint of the heat exchange side fan and the shell; and a static pressure box is arranged at the joint of the evaporation side fan and the shell.
4. The novel refrigeration device based on the water vapor refrigerant as claimed in claim 1, characterized in that: the pressure in the cavity of the water atomization device is more than 20Pa lower than the atmospheric pressure of the environment.
5. The novel refrigeration device based on the water vapor refrigerant as claimed in claim 1, characterized in that:
the heat exchange side fan is arranged on the side edge, and the evaporation side fan is arranged on the top;
or the heat exchange side fan is arranged on the side edge, the evaporation side fan is arranged at the bottom, and the lower part of the evaporation side fan is provided with a water recovery pipe.
6. The novel refrigeration device based on the water vapor refrigerant as claimed in claim 1, characterized in that: the refrigerating device is provided with a plurality of heat exchange side fans and evaporation side fans, and the heat exchange side fans are arranged in a layered mode.
7. The novel refrigeration device based on the water vapor refrigerant as claimed in claim 1, characterized in that: the heat exchanger is a dividing wall type heat exchanger or a shell and tube type heat exchanger.
8. The novel refrigeration device based on the water vapor refrigerant as claimed in claim 1, characterized in that: the water atomization device is a high-pressure pump atomizer;
or the water atomization device is a compressed air atomizer;
or the water atomization device is an ultrasonic atomizer.
9. The novel refrigeration device based on the water vapor refrigerant as claimed in claim 1, characterized in that: a water softening device is arranged on the pipeline for supplying water to the water atomization device.
10. The novel refrigeration device based on the water vapor refrigerant as claimed in claim 1, characterized in that: the air regulating device is an electric air valve and a negative pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221294038.0U CN217636254U (en) | 2022-05-27 | 2022-05-27 | Novel refrigerating plant based on steam cryogen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221294038.0U CN217636254U (en) | 2022-05-27 | 2022-05-27 | Novel refrigerating plant based on steam cryogen |
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| CN217636254U true CN217636254U (en) | 2022-10-21 |
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| CN202221294038.0U Active CN217636254U (en) | 2022-05-27 | 2022-05-27 | Novel refrigerating plant based on steam cryogen |
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- 2022-05-27 CN CN202221294038.0U patent/CN217636254U/en active Active
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