CN219160566U - Air curtain with exhaust heat recovery function - Google Patents
Air curtain with exhaust heat recovery function Download PDFInfo
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- CN219160566U CN219160566U CN202222576859.XU CN202222576859U CN219160566U CN 219160566 U CN219160566 U CN 219160566U CN 202222576859 U CN202222576859 U CN 202222576859U CN 219160566 U CN219160566 U CN 219160566U
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- condenser
- recovery function
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- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000003507 refrigerant Substances 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 5
- 239000002918 waste heat Substances 0.000 abstract description 4
- 238000005485 electric heating Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 4
- 230000008520 organization Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The utility model discloses an air curtain with an exhaust heat recovery function, which comprises a fan, a compressor, an air supply opening arranged above a door and an air exhaust opening arranged below the door, wherein the air supply opening and the air exhaust opening form a complete airflow direction together, a condenser for heating indoor air is arranged at the upper part of the air supply opening, an evaporator for recovering exhaust heat is arranged at one side of the air exhaust opening, the condenser is connected with the evaporator through a pipeline, refrigerant is filled in the pipeline, and the refrigerant absorbs heat by evaporation under the action of the evaporator so as to recover the exhaust heat, and a compressor is arranged between the condenser and the evaporator. The device can effectively utilize indoor exhaust waste heat, uses exhaust waste heat as a low-level heat source, utilizes the heat pump technology principle to promote heating air curtain air supply temperature to satisfy the demand of air curtain, thereby effectively reduce electric quantity consumption, save more power consumption compared with original direct electric heating, simultaneously also brought the convenient condition for guaranteeing better indoor environment demand.
Description
Technical Field
The utility model relates to the technical field of air curtains, in particular to an air curtain with an exhaust heat recovery function.
Background
Along with the rapid development of society, people have higher and higher requirements on indoor environments, and requirements on indoor air quality are higher and higher while cold and hot requirements are met, so that not only are indoor heating and refrigerating effects required to be considered, but also the indoor air quality requirements are required to be considered, and the design of a ventilation system is more and more important. And more functional rooms also start to put forward corresponding requirements on the ventilation times, and the design requirements on fresh air and exhaust air are also higher and higher.
For halls, there is generally a need for cooling and heating, and also a corresponding need for ventilation. In the common design process, after the hall designs equipment meeting heating and cooling requirements, air curtains are additionally arranged at entrances and exits of the hall for a plurality of buildings. When people enter and exit, the outdoor air is blocked, so that the influence of the outdoor environment on the indoor cold and hot environments is reduced. For example, in winter, the opening of the outer door can lead a large amount of cold air to enter the room, so that the heat load demand of the room is increased, and the fluctuation of the indoor temperature can be influenced to a certain extent; similar phenomena occur in summer, and the following description mainly takes winter working conditions as examples.
The air curtain can be classified into a non-heating air curtain, an electric heating air curtain, a hot water air curtain, etc. according to the types of cold and hot media. Currently, a common air curtain is an electrically heated air curtain. When the air curtain is used, the air supply temperature is controlled mainly through power consumption heating, so that larger electric quantity consumption can be brought. In terms of indoor air quality, a large fresh air quantity is usually required in a hall, and as the air tightness of a room is better, some exhaust air is correspondingly arranged to meet the indoor air quantity balance and ventilation times. At this time, the waste phenomenon that the heat in the indoor exhaust air is discharged without being recovered occurs.
Disclosure of Invention
In order to solve the background technical problem, the utility model provides the following technical scheme: the utility model provides an air curtain of heat recovery function of airing exhaust in area, including the fan, the compressor, set up the supply-air outlet in the door top and set up the air exit in the door below, supply-air outlet and air exit form complete air current flow direction jointly, supply-air outlet upper portion is provided with the condenser that is used for heating indoor air, air exit one side is provided with the evaporimeter that is used for retrieving the heat of airing exhaust, condenser and evaporimeter pass through the pipeline and link to each other, the pipeline intussuseption is filled with the refrigerant, the refrigerant evaporates under the effect of evaporimeter and absorbs heat in order to retrieve the heat of airing exhaust, still be provided with the compressor between condenser and the evaporimeter.
Further, the pipeline is provided with a four-way valve and a throttle valve.
Further, the compressor is connected with the four-way valve through a refrigerant pipe.
Further, the number of the fans is two, and the fans are respectively arranged at the air supply opening and the air exhaust opening.
Further, air volume adjusting devices are respectively arranged at the air supply opening and the air exhaust opening.
Further, the exhaust outlet is arranged below the door frame.
Further, the air supply outlet is arranged at the top of the door frame.
Compared with the prior art, the technology has at least one of the following beneficial effects:
1. the device supply-air outlet upper portion is provided with the condenser that is used for heating indoor air, and air outlet one side is provided with the evaporimeter that is used for retrieving the heat of airing exhaust, can effectively utilize indoor waste heat of airing exhaust, will exhaust the waste heat and regard as low-order heat source, utilizes heat pump technical principle to promote heating air curtain air supply temperature to satisfy the demand of air curtain. The electric quantity consumption is effectively reduced, the electric quantity consumption is saved compared with the original direct electric heating, and meanwhile, convenience is brought to ensuring the better indoor environment requirement.
2. The system has strong adaptability. The air outlet position is provided with an air quantity adjusting device, so that the air quantity requirements of different seasons can be effectively met. The evaporator and the condenser are respectively arranged at the air outlet and the air supply outlet, namely, a partition wall type heat exchange mode is adopted, so that direct contact between air exhaust and working media is avoided.
3. The system can provide better airflow organization. For the air curtain, the air supply outlet is arranged above the door, and the air outlet is arranged below the door, so that the complete airflow direction is formed. For the air flow organization of the room, the air flow organization form of the upper air supply and the lower air discharge is formed, the flow of indoor air is facilitated, and the good indoor environment is ensured. The efficiency is improved, and meanwhile, the influence of outdoor air on indoor air is reduced well.
Drawings
Fig. 1 is a schematic structural view of an air curtain with exhaust heat recovery function according to the present utility model.
1-air outlet, 2-evaporator, 3-fan, 4-exhaust, 41-air supply opening air supply, 42-outdoor cold air, 43-indoor exhaust, 5-compressor, 6-four-way valve, 7-throttle valve, 8-condenser, 9-air supply opening, 10-refrigerant pipe, 11-door frame, 12-ground.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, an air curtain with exhaust heat recovery function comprises a fan 3, a compressor 5, an air supply opening 9 arranged above the door and an air outlet 1 arranged below the door, wherein the air supply opening 9 and the air outlet 1 jointly form a complete airflow direction, a condenser 8 for heating indoor air is arranged on the upper portion of the air supply opening 9, an evaporator 2 for recovering exhaust heat is arranged on one side of the air outlet 1, the condenser 8 and the evaporator 2 are connected through a pipeline, a refrigerant is filled in the pipeline, the refrigerant evaporates and absorbs heat under the action of the evaporator 2 to recover exhaust heat, and the compressor 5 is further arranged between the condenser 8 and the evaporator 2. The refrigerant condenses under the influence of the condenser 8 to release heat, i.e., to heat the air.
Further, a four-way valve 6 and a throttle valve 7 are arranged on the pipeline.
Further, the compressor 5 and the four-way valve 6 are connected through a refrigerant pipe 10.
Further, the number of fans 3 is two, and the fans are respectively arranged at the air supply opening 9 and the air exhaust opening 1.
Further, the air supply opening 9 and the air outlet 1 are respectively provided with an air quantity adjusting device.
Further, the air outlet 1 is disposed below the door frame 11 and near the ground 12.
Further, the air supply outlet 9 is arranged at the top of the door frame 11.
Specifically, the device comprises an air supply port 9, an air outlet 1, an evaporator 2, a condenser 8, a compressor 5, a throttle valve 7, a four-way valve 6 and the like. An evaporator 2 is provided at the air outlet 1 to recover the heat of the exhaust air. The exhaust air 4 mainly comprises three parts, namely an air supply port 9 for supplying air 41, outdoor cold air 42 and indoor exhaust air 43. The different exhaust temperatures can meet the evaporation requirement of the evaporator 2 at 10 ℃ after being calculated through an enthalpy-humidity diagram and an air quantity balance design. Air quantity adjusting devices are arranged at the air outlet 1 and the air supply outlet 9 to meet different control conditions. The air supply port 9 is provided with a condenser 8 to heat the air in the room. The working medium in the evaporator 2 absorbs heat in exhaust air at the exhaust outlet 1 and then evaporates, and the exhaust air after absorbing heat is directly discharged outdoors through the exhaust fan 3. The working medium passes through the compressor 5 and then enters the condenser 8. The indoor air at the temperature of 18 ℃ in the room is heated at the position of the condenser 8, the condensation temperature of the working medium in the condenser 8 is 45 ℃, and the air supply temperature of the air supply opening 9 is 40 ℃. Thus, a hot air curtain is formed between the air supply opening 9 and the air outlet 1, outdoor air is well prevented from entering the room, and indoor part of air is discharged to the outside through the air outlet 1, so that the indoor air exhaust requirement is met. The indoor exhaust air does not need to be exhausted through a separate exhaust device, or the design capacity of the related exhaust fan 3 can be reduced. The exhaust heat is well utilized, the part of exhaust heat and the heat of the power consumption of the compressor 5 can be used for heating and air supply in the condenser 8, the grade waste of directly heating and air supply by electric quantity is avoided, and the cascade utilization of heat is well realized. Meanwhile, if the air exhaust heat of the hall is insufficient, other positions with air exhaust demands in the building can be correspondingly utilized, and the heat in the positions is recovered through the condensation heat recovery device, so that the problem of insufficient air exhaust heat of the hall is solved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An air curtain with exhaust heat recovery function, which is characterized in that: including fan, compressor, setting up the supply-air outlet in the door top and the air exit of setting in the door below, supply-air outlet and air exit form complete air current flow direction jointly, and supply-air outlet upper portion is provided with the condenser that is used for heating indoor air, and air exit one side is provided with the evaporimeter that is used for retrieving the heat of airing exhaust, and condenser and evaporimeter pass through the pipeline and link to each other, and the pipeline intussuseption is filled with the refrigerant, and the refrigerant evaporates under the effect of evaporimeter and absorbs heat in order to retrieve the heat of airing exhaust, still is provided with the compressor between condenser and the evaporimeter.
2. The air curtain with exhaust heat recovery function of claim 1, wherein: the pipeline is provided with a four-way valve and a throttle valve.
3. The air curtain with exhaust heat recovery function of claim 2, wherein: the compressor is connected with the four-way valve through a refrigerant pipe.
4. The air curtain with exhaust heat recovery function of claim 1, wherein: the number of fans is two, and the fans are respectively arranged at the air supply opening and the air exhaust opening.
5. The air curtain with exhaust heat recovery function of claim 1, wherein: and the air supply opening and the air outlet are respectively provided with an air quantity adjusting device.
6. The air curtain with exhaust heat recovery function of claim 1, wherein: the air outlet is arranged below the door frame.
7. The air curtain with exhaust heat recovery function of claim 1, wherein: the air supply outlet is arranged at the top of the door frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576859.XU CN219160566U (en) | 2022-09-28 | 2022-09-28 | Air curtain with exhaust heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576859.XU CN219160566U (en) | 2022-09-28 | 2022-09-28 | Air curtain with exhaust heat recovery function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219160566U true CN219160566U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222576859.XU Active CN219160566U (en) | 2022-09-28 | 2022-09-28 | Air curtain with exhaust heat recovery function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219160566U (en) |
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2022
- 2022-09-28 CN CN202222576859.XU patent/CN219160566U/en active Active
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