CN212870037U - Heat recovery type evaporative cooling air conditioning unit - Google Patents
Heat recovery type evaporative cooling air conditioning unit Download PDFInfo
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- CN212870037U CN212870037U CN202021558156.9U CN202021558156U CN212870037U CN 212870037 U CN212870037 U CN 212870037U CN 202021558156 U CN202021558156 U CN 202021558156U CN 212870037 U CN212870037 U CN 212870037U
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- pipe body
- heat exchanger
- evaporative cooling
- conditioning unit
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Abstract
The utility model relates to an evaporative cooling air conditioning unit, heat recovery type evaporative cooling air conditioning unit specifically says so. The heat recovery device is characterized by comprising a first pipe body, wherein a first fan, a first heat recovery heat exchanger, an air heater, an evaporative cooling filler block and a water baffle are arranged in the first pipe body. A spraying device is arranged above the evaporative cooling packing block, a water receiving disc is arranged at the bottom of the first pipe body, and the water receiving disc is connected with the spraying device through a pipeline and a first circulating water pump. One side of the first pipe body is provided with a second pipe body, and a second fan and a second heat recovery heat exchanger are arranged in the second pipe body. The liquid outlet of the first heat recovery heat exchanger is connected with the liquid inlet of the second heat recovery heat exchanger through a pipeline, the liquid outlet of the second heat recovery heat exchanger is connected with the liquid inlet of the first heat recovery heat exchanger through a pipeline, and a second circulating water pump is arranged on the pipeline between the first heat recovery heat exchanger and the second heat recovery heat exchanger. The air conditioning unit has the advantages of good heat supply working condition in winter, small volume, high heat recovery efficiency and low energy consumption of the fan.
Description
Technical Field
The utility model relates to an evaporative cooling air conditioning unit, heat recovery type evaporative cooling air conditioning unit specifically says so.
Background
A heat recovery type evaporative cooling air conditioning unit is used in the occasions where pollution exists in an air conditioning room or the air conditioning room runs in a full fresh air straight-flow mode with special process requirements, such as a paint spraying workshop, a glass fiber reinforced plastic production line, a color printing workshop, a fermentation workshop and the like. In these situations, 100% of indoor air must be exhausted even if the indoor temperature and humidity requirements are met. The indoor air is discharged to the atmosphere, which causes great energy waste and brings about not little economic loss. In order to avoid energy waste, heat recovery evaporative cooling air conditioning units are installed in the occasions.
At present, heat recovery evaporative cooling air conditioning units used in the industry comprise gravity siphon heat pipe type evaporative cooling air conditioning units and rotary wheel heat recovery evaporative cooling air conditioning units. The two air conditioning units have advantages respectively, and a good energy-saving effect is achieved in engineering application. However, the gravity siphon heat pipe type heat recovery device of the gravity siphon heat pipe type evaporative cooling air conditioning unit is not beneficial to seasonal conversion, the operation of the refrigeration working condition in summer is still feasible, and the heating working condition in winter is limited. The heat recovery runner of the runner heat recovery evaporative cooling air conditioning unit is large in size and low in heat recovery efficiency. In addition, when the two units are used, the air exhaust and the fresh air must be connected into the air conditioning unit by using the air pipes for centralized processing, and when the distance between the air exhaust and the fresh air is far, the air pipes are long, and the energy consumption of the fan is large.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a heat recovery type evaporative cooling air conditioning unit, this air conditioning unit heat supply operating mode is better winter, and the volume is less, and heat recovery efficiency is high, and the fan energy consumption is lower.
In order to solve the problems, the following technical scheme is provided:
the utility model discloses a heat recovery type evaporative cooling air conditioning unit's characteristics are including first body, and the one end of first body is the new trend import, and the other end is the new trend export, has first fan in the first body, and the export of first fan is towards the new trend export. A first heat recovery heat exchanger, an air heater, an evaporative cooling filler block and a water baffle are sequentially arranged in a first pipe body between the fresh air inlet and the fresh air outlet. A spraying device is arranged above the evaporative cooling filler block, a water receiving disc is arranged at the bottom of the first pipe body below the evaporative cooling filler block, the water receiving disc is located below the evaporative cooling filler block and the water baffle, and the water receiving disc is connected with the spraying device through a pipeline and a first circulating water pump. And a second pipe body is arranged on one side of the first pipe body, one end of the second pipe body is an air return inlet, the other end of the second pipe body is an air return outlet, and a second fan and a second heat recovery heat exchanger are arranged in the second pipe body. The liquid outlet of the first heat recovery heat exchanger is connected with the liquid inlet of the second heat recovery heat exchanger through a pipeline, the liquid outlet of the second heat recovery heat exchanger is connected with the liquid inlet of the first heat recovery heat exchanger through a pipeline, and a second circulating water pump is arranged on the pipeline between the first heat recovery heat exchanger and the second heat recovery heat exchanger.
The second pipe body is fixed to the top of the first pipe body and parallel to the first pipe body.
The first fan is positioned in the first pipe body between the water baffle and the fresh air outlet.
The second circulating water pump is positioned on the section of pipeline between the liquid inlet of the first heat recovery heat exchanger and the liquid outlet of the second heat recovery heat exchanger, and the section of pipeline is connected with an expansion water tank through a communicating pipe.
An air filter is arranged in the first pipe body between the fresh air inlet and the first heat recovery heat exchanger, and the periphery of the air filter is connected with the inner side wall of the first pipe body in a fixed and sealed mode.
By adopting the scheme, the method has the following advantages:
because one end of the first pipe body of the heat recovery type evaporative cooling air conditioning unit of the utility model is a fresh air inlet and the other end is a fresh air outlet, the first pipe body is internally provided with a first fan, the outlet of the first fan faces the fresh air outlet, the first pipe body between the fresh air inlet and the fresh air outlet is internally provided with a first heat recovery heat exchanger, an air heater, an evaporative cooling filler block and a water baffle in sequence, a spray device is arranged above the evaporative cooling filler block, the bottom of the first pipe body below the evaporative cooling filler block is provided with a water receiving disc which is arranged below the evaporative cooling filler block and the water baffle, the water receiving disc is connected with the spray device through a pipeline and a first circulating water pump, one side of the first pipe body is provided with a second pipe body, one end of the second pipe body is a return air inlet, the other end is a return air outlet, the second pipe body is internally provided with a second fan and a second heat recovery heat exchanger, the liquid outlet of the first heat recovery heat exchanger is, the liquid outlet of the second heat recovery heat exchanger is connected with the liquid inlet of the first heat recovery heat exchanger through a pipeline, and a second circulating water pump is arranged on the pipeline between the first heat recovery heat exchanger and the second heat recovery heat exchanger. The air conditioning unit utilizes the first heat recovery heat exchanger and the second heat recovery heat exchanger to carry out cold and heat exchange on indoor exhaust air and fresh air, and the working condition of heat supply in winter is better. And compared with a heat recovery runner, the heat recovery heat exchanger is smaller in size and higher in heat recovery efficiency. In addition, the air conditioning unit utilizes liquid as an intermediate medium for heat exchange, and does not need to carry out centralized treatment on exhaust air and fresh air, thereby not needing a longer air pipe and greatly reducing the energy consumption of a fan.
Drawings
Fig. 1 is a schematic structural view of a heat recovery type evaporative cooling air conditioning unit of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a heat recovery type evaporative cooling air conditioning unit includes first body 11, and the one end of first body 11 is new trend import 1, and the other end is new trend export 10, has first fan 9 in the first body 11, and the export of first fan 9 is towards new trend export 10. A first heat recovery heat exchanger 4, an air heater 5, an evaporative cooling filler block 7 and a water baffle 8 are sequentially arranged in a first pipe body 11 between a fresh air inlet 1 and a fresh air outlet 10. A spraying device 12 is arranged above the evaporative cooling filler block 7, a water receiving disc 19 is arranged at the bottom of a first pipe body 11 below the evaporative cooling filler block 7, the water receiving disc 19 is positioned below the evaporative cooling filler block 7 and the water baffle 8, and the water receiving disc 19 is connected with the spraying device 12 through a pipeline and a first circulating water pump 6. And a second pipe body 17 is arranged on one side of the first pipe body 11, one end of the second pipe body 17 is a return air inlet 13, the other end of the second pipe body 17 is a return air outlet 18, and a second fan 16 and a second heat recovery heat exchanger 14 are arranged in the second pipe body 17. The liquid outlet of the first heat recovery heat exchanger 4 is connected with the liquid inlet of the second heat recovery heat exchanger 14 through a pipeline, the liquid outlet of the second heat recovery heat exchanger 14 is connected with the liquid inlet of the first heat recovery heat exchanger 4 through a pipeline, and a second circulating water pump 3 is arranged on the pipeline between the first heat recovery heat exchanger 4 and the second heat recovery heat exchanger 14.
The second pipe 17 is fixed on the top of the first pipe 11, and the second pipe 17 is parallel to the first pipe 11.
The first fan 9 is positioned in the first pipe body 11 between the water baffle 8 and the fresh air outlet 10.
The second circulating water pump 3 is positioned on the section of pipeline between the liquid inlet of the first heat recovery heat exchanger 4 and the liquid outlet of the second heat recovery heat exchanger 14, and the section of pipeline is connected with an expansion water tank 15 through a communicating pipe.
An air filter 2 is arranged in a first pipe body 11 between the fresh air inlet 1 and the first heat recovery heat exchanger 4, and the periphery of the air filter 2 is connected with the inner side wall of the first pipe body 11 in a fixed and sealed mode.
Summer working condition: the exhaust air enters the second pipe body 17 from the return air inlet 13, transfers the cold energy of the exhaust air to the second heat recovery heat exchanger 14, and enters the atmosphere through the return air outlet 18 by the second fan 16. Fresh air enters the first pipe body 11 through the fresh air inlet 1, dust and impurities in the air are filtered by the air filter 2, the fresh air enters the first heat recovery heat exchanger 4 and is pre-cooled by the first heat recovery heat exchanger 4, and the temperature of the fresh air is reduced. The pre-cooled fresh air enters the evaporative cooling filler block 7 again, heat and mass exchange is carried out between the wet surface of the evaporative cooling filler block 7 and the water film, and the temperature of the wet air is further cooled. The cooled air enters the water baffle 8 again to separate water drops which are not evaporated, and the dry cold air is pressurized by the first fan 9 and sent to the room from the fresh air outlet 10.
The second heat recovery heat exchanger 14 obtains cold energy with the heat exchange of airing exhaust, the temperature of the solution in the second heat recovery heat exchanger 14 is reduced, the low-temperature solution is pressurized by the second circulating water pump 3 and flows into the first heat recovery heat exchanger 4, the low-temperature solution exchanges heat with the high-temperature fresh air entering the first pipe body 11 to obtain heat, then the temperature is raised, the low-temperature solution flows into the second heat recovery heat exchanger 14 under the action of the second circulating water pump 3, and the operation is repeated, so that the cold energy in the airing exhaust is continuously transmitted to the fresh air.
The lower part of the evaporative cooling filler block 7 is provided with a water receiving tray 19, water in the water receiving tray 19 is pressurized and lifted to the spraying device 12 by the first circulating water pump 6, the water is uniformly sprayed on the evaporative cooling filler block 7, and the heat exchange surface of the evaporative cooling filler block 7 forms a huge heat exchange wet surface under the combined action of capillary action and gravity. The liquid water which is not evaporated on the surface of the evaporative cooling filler block 7 falls into a circulating water tray under the action of gravity, and the circulating operation is repeated.
Working conditions in winter: exhaust air enters the second pipe body 17 from the return air inlet 13, transfers its heat to the second heat recovery heat exchanger 14, and is introduced into the atmosphere through the return air outlet 18 by the second fan 16. The new trend gets into first body 11 by new trend import 1, and air cleaner 2 filters the dust impurity in the air, gets into first heat recovery heat exchanger 4, is preheated by first heat recovery heat exchanger 4, and the temperature of new trend risees. The preheated fresh air enters the air heater 5 for further temperature rise, the hot air enters the evaporative cooling filler block 7 again, heat and mass exchange is carried out between the wet surface of the evaporative cooling filler block 7 and a water film, and the air is humidified. The heated and humidified air enters the first fan 9 again, is pressurized, and is sent to the room from the fresh air outlet 10.
The second heat recovery heat exchanger 14 obtains heat through heat exchange with the exhaust air, the temperature of the solution in the second heat recovery heat exchanger 14 rises, the high-temperature solution flows into the first heat recovery heat exchanger 4 through the second circulating water pump 3 in a pressurizing mode, the high-temperature solution exchanges heat with the low-temperature fresh air entering the first pipe body 11, the temperature is reduced after the heat is lost, the high-temperature solution flows into the second heat recovery heat exchanger 14 under the action of the second circulating water pump 3, and the heat in the exhaust air is continuously transmitted to the fresh air in a reciprocating mode.
Claims (5)
1. The heat recovery type evaporative cooling air conditioning unit is characterized by comprising a first pipe body (11), wherein one end of the first pipe body (11) is a fresh air inlet (1), the other end of the first pipe body is a fresh air outlet (10), a first fan (9) is arranged in the first pipe body (11), and the outlet of the first fan (9) faces the fresh air outlet (10); a first heat recovery heat exchanger (4), an air heater (5), an evaporative cooling filler block (7) and a water baffle (8) are sequentially arranged in a first pipe body (11) between the fresh air inlet (1) and the fresh air outlet (10); a spraying device (12) is arranged above the evaporative cooling filler block (7), a water receiving disc (19) is arranged at the bottom of a first pipe body (11) below the evaporative cooling filler block (7), the water receiving disc (19) is positioned below the evaporative cooling filler block (7) and the water baffle (8), and the water receiving disc (19) is connected with the spraying device (12) through a pipeline and a first circulating water pump (6); a second pipe body (17) is arranged on one side of the first pipe body (11), one end of the second pipe body (17) is a return air inlet (13), the other end of the second pipe body is a return air outlet (18), and a second fan (16) and a second heat recovery heat exchanger (14) are arranged in the second pipe body (17); the liquid outlet of the first heat recovery heat exchanger (4) is connected with the liquid inlet of the second heat recovery heat exchanger (14) through a pipeline, the liquid outlet of the second heat recovery heat exchanger (14) is connected with the liquid inlet of the first heat recovery heat exchanger (4) through a pipeline, and a second circulating water pump (3) is arranged on the pipeline between the first heat recovery heat exchanger (4) and the second heat recovery heat exchanger (14).
2. A heat recovery type evaporative cooling air conditioning unit as set forth in claim 1, wherein said second tube (17) is fixed on top of the first tube (11), and the second tube (17) is parallel to the first tube (11).
3. The heat recovery evaporative cooling air conditioning unit as recited in claim 1 wherein the first fan (9) is located within the section of the first duct (11) between the water baffle (8) and the fresh air outlet (10).
4. A heat recovery type evaporative cooling air conditioning unit as set forth in claim 1, wherein said second circulating water pump (3) is disposed in a section of piping between the liquid inlet of the first heat recovery heat exchanger (4) and the liquid outlet of the second heat recovery heat exchanger (14), and the section of piping is connected to the expansion tank (15) through a communicating pipe.
5. The heat recovery type evaporative cooling air conditioning unit as claimed in any one of claims 1 to 4, wherein an air filter (2) is arranged in the first pipe body (11) between the fresh air inlet (1) and the first heat recovery heat exchanger (4), and the periphery of the air filter (2) is fixedly and hermetically connected with the inner side wall of the first pipe body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558156.9U CN212870037U (en) | 2020-07-31 | 2020-07-31 | Heat recovery type evaporative cooling air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558156.9U CN212870037U (en) | 2020-07-31 | 2020-07-31 | Heat recovery type evaporative cooling air conditioning unit |
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| Publication Number | Publication Date |
|---|---|
| CN212870037U true CN212870037U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021558156.9U Active CN212870037U (en) | 2020-07-31 | 2020-07-31 | Heat recovery type evaporative cooling air conditioning unit |
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| CN (1) | CN212870037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108386A (en) * | 2021-04-30 | 2021-07-13 | 西藏宁算科技集团有限公司 | Air conditioning unit with wet film humidification function |
-
2020
- 2020-07-31 CN CN202021558156.9U patent/CN212870037U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108386A (en) * | 2021-04-30 | 2021-07-13 | 西藏宁算科技集团有限公司 | Air conditioning unit with wet film humidification function |
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