CN212644835U - Packed coupled evaporative condensing chiller with finned tube precooling - Google Patents
Packed coupled evaporative condensing chiller with finned tube precooling Download PDFInfo
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- CN212644835U CN212644835U CN202021735171.6U CN202021735171U CN212644835U CN 212644835 U CN212644835 U CN 212644835U CN 202021735171 U CN202021735171 U CN 202021735171U CN 212644835 U CN212644835 U CN 212644835U
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- evaporative
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- 230000005494 condensation Effects 0.000 claims abstract description 41
- 238000009833 condensation Methods 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 238000005057 refrigeration Methods 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims abstract 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 61
- 239000000945 filler Substances 0.000 claims description 33
- 238000005507 spraying Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 97
- 238000001704 evaporation Methods 0.000 description 34
- 230000008020 evaporation Effects 0.000 description 34
- 239000000498 cooling water Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
本实用新型公开了一种带翅片管预冷的填料耦合式蒸发冷凝冷水机组，包括机组壳体，机组壳体内分为左风道和右风道，左风道内设置有蒸发冷凝单元，蒸发冷凝单元上方设置有翅片管，右风道内分为上下两层风道，分别为一次空气通道和二次空气通道，贯穿上下两层风道设置有板翅式间接蒸发冷却单元，一次空气通道和二次空气通道的出风口分别对应蒸发冷凝单元和翅片管，一次空气通道内位于出风口的位置处还设置有机械制冷单元，机械制冷单元、蒸发冷凝单元、翅片管通过管道连接形成闭合循环回路。本实用新型的带翅片管预冷的填料耦合式蒸发冷凝冷水机组，将蒸发冷凝和蒸发冷却技术相结合，大大提高换热效率。
The utility model discloses a packing-coupled evaporative condensing chiller with finned tube precooling, which comprises a unit casing. The unit casing is divided into a left air duct and a right air duct, and an evaporative condensing unit is arranged in the left air duct. A finned tube is arranged above the condensing unit, and the right air duct is divided into upper and lower air ducts, which are the primary air duct and the secondary air duct respectively. A plate-fin indirect evaporative cooling unit is arranged through the upper and lower air ducts. The air outlet of the secondary air channel corresponds to the evaporative condensation unit and the finned tube respectively. A mechanical refrigeration unit is also provided at the position of the air outlet in the primary air channel. The mechanical refrigeration unit, the evaporative condensation unit and the finned tube are connected by pipes. closed loop. The packing-coupled evaporative condensation chiller with finned tube precooling of the utility model combines evaporative condensation and evaporative cooling technologies to greatly improve the heat exchange efficiency.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, a take filler coupled evaporation condensation cooling water set of finned tube precooling is related to.
Background
With the development of national economy, water resources in China are increasingly short, the phenomenon of water shortage of industrial water is particularly serious, water conservation becomes an important trend of sustainable development, air conditioners are arranged in most places in China, the consumption of water resources is high, and the water conservation of the air conditioners needs to be improved. The chiller may be classified into a water-cooled chiller, an air-cooled chiller, and an evaporative condensing chiller. The water-cooling water chilling unit needs to be matched with a cooling tower, a cooling water pump, a freezing water pump and related accessories, so that the transportation cost is high, the occupied area is large, and the operation efficiency is not high. The air-cooled water chilling unit has the advantages of compact structure, simple system, convenient installation, water saving, no need of a cooling tower and the like, and is particularly suitable for places with water shortage or water source saving. However, the heat transfer performance of air is poor, the performance of the unit is greatly influenced by ambient air, the operation efficiency is low, and the COP of the system needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take filler coupled evaporation condensation cooling water set of finned tube precooling combines together evaporation condensation and evaporation cooling technique, improves heat exchange efficiency greatly, has solved the lower problem of air-cooled water set and water-cooled water set operating efficiency simultaneously.
The utility model provides a technical scheme be, take filler coupled evaporation condensation cooling water set of finned tube precooling, including the unit casing, be divided into left wind channel and right wind channel in the unit casing, be provided with the evaporation condensation unit in the left wind channel, evaporation condensation unit top is provided with the finned tube, two-layer wind channel about being divided into in the right wind channel, be primary air channel and secondary air passageway respectively, two-layer wind channel is provided with the indirect evaporation cooling unit of plate fin formula about running through, primary air channel and secondary air passageway's air outlet corresponds evaporation condensation unit and finned tube respectively, the position department that lies in the air outlet in the primary air channel still is provided with mechanical refrigeration unit, the evaporation condensation unit, the finned tube passes through the pipe connection and forms closed circulation circuit.
The utility model is also characterized in that,
the evaporative condensation unit comprises filler which corresponds to an air outlet of the primary air channel, the filler/coil coupling type condensation coil and a spraying device are sequentially arranged above the filler from bottom to top, the finned tube is arranged above the spraying device, a water storage tank B is arranged below the filler, the water storage tank B is communicated with the spraying device through a circulating water pipe B, the finned tube, the filler/coil coupling type condensation coil and the mechanical refrigeration unit are connected through a pipeline to form a loop, and the evaporative condensation unit further comprises an air outlet which is arranged at the top of the unit shell and corresponds to the top of the finned tube.
The circulating water pipe B is connected with a circulating water pump B.
An exhaust fan is arranged in the exhaust outlet.
The exhaust fan is a centrifugal fan.
Filler/coil pipe coupled condensing coil includes condenser coil, and finned tube, condenser coil and mechanical refrigeration unit pass through the pipe connection and form the return circuit, and condenser coil is vertical setting, and condenser coil's coil pipe clearance is provided with filler a.
One side of the primary air channel and one side of the secondary air channel, which are far away from the left air channel, correspond to the side wall of the unit shell and are respectively provided with a primary air inlet and a secondary air inlet, one ends of the primary air channel and the secondary air channel, which correspond to the evaporation and condensation unit and the finned tubes, are respectively provided with a primary air outlet and a secondary air outlet, the plate-fin indirect evaporation cooling unit comprises a plate-fin indirect evaporation cooler which penetrates through the upper air channel and the lower air channel, the mechanical refrigeration unit is positioned in the primary air channel between the primary air outlet and the plate-fin indirect evaporation cooler, the plate-fin indirect evaporation cooling unit further comprises a spraying device A which is arranged in the secondary air channel between the secondary air inlet and the plate-fin indirect evaporation cooler, the spraying device A sprays towards the plate-fin indirect evaporation cooler, a reservoir A is arranged below the spraying device A, and the reservoir A are communicated through a circulating water.
The circulating water pipe A is connected with a circulating water pump A.
And a water baffle is also arranged between the secondary air outlet and the plate-fin indirect evaporative cooler in the secondary air channel.
The mechanical refrigeration unit comprises an evaporator arranged at the position of an air outlet in the primary air channel, and the evaporator is sequentially connected with a compressor, a finned tube, a filler/coil coupling type condensing coil and a throttle valve through pipelines to form a closed circulation loop.
The utility model has the advantages that:
(1) the utility model discloses the unit utilizes evaporation cooling technique, utilizes water and "dry air can" take place the heat and mass exchange process, reduces primary air temperature, and the energy saving adopts evaporation condensation technique, improves heat exchange efficiency greatly, has got rid of the problem of traditional water-cooled water pump and the water treatment problem that a large amount of water use produced simultaneously, and the working costs also reduces to some extent;
(2) the utility model provides lower temperature air by using the plate-fin indirect evaporative cooler and the evaporator, and the lower temperature air can be used by the air at the entrance of the evaporative condensation section, so that the efficiency of the evaporative condensation type water chilling unit can be improved;
(3) the unit of the utility model uses the finned tube for air cooling precooling, which increases the heat exchange surface area of the air cooling precooling and improves the precooling efficiency;
(4) the ingenious runner design of the unit of the utility model ensures that the secondary air of the indirect evaporative cooling section obtains the cooling capacity step utilization at the pre-cooling section of the evaporative condensing part, and the water baffle is arranged at the secondary air of the indirect evaporative cooler to prevent water from entering the air channel;
(5) the utility model discloses the unit adopts container modularized design, and integrated design conveniently transports and installs, and evaporation condensation section and unit advance, air exhaust a shared centrifugal fan, reduce the unit fan and arrange quantity, reduce initial investment and take up an area of size.
Drawings
Fig. 1 is a schematic structural diagram of the stuffing coupling type evaporative condensation water chilling unit with finned tube precooling of the utility model.
In the figure, 1, an exhaust outlet, 2, an exhaust fan, 3, a secondary air outlet, 4, a water baffle, 5, a compressor, 6, an evaporator, 7, a throttle valve, 8, a primary air inlet, 9, a secondary air inlet, 10, a reservoir A, 11, a circulating water pump A, 12, a spraying device A, 13, a plate-fin indirect evaporative cooler, 14, a primary air outlet, 15, a reservoir B, 16, a filler, 17, a circulating water pump B, 18, a filler/coil coupling type condensing coil, 18-1, a condensing coil 18-1, 18-2, a filler a, 19, a spraying device, 20, a fin tube, 21, a unit shell, 22, a circulating water pipe B, 23 and a circulating water pipe A.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses take filler coupled evaporative condensation cooling water set of finned tube precooling, including unit housing 21, divide into left wind channel and right wind channel in the unit housing 21, be provided with the evaporative condensation unit in the left wind channel, evaporative condensation unit top is provided with finned tube 20, two-layer wind channel about divideing into in the right wind channel, be primary air channel and secondary air passageway respectively, two-layer wind channel is provided with the indirect evaporative cooling unit of plate-fin formula about running through, the air outlet of primary air channel and secondary air passageway corresponds evaporative condensation unit and finned tube 20 respectively, the position department that is located the air outlet in the primary air channel still is provided with mechanical refrigeration unit, the evaporative condensation unit, finned tube 20 forms closed circulation circuit through the pipe connection.
The evaporative condensation unit comprises a filler 16 correspondingly arranged at an air outlet of the primary air channel, a filler/coil coupling type condensation coil 18 and a spraying device 19 are sequentially arranged above the filler 16 from bottom to top, a finned tube 20 is arranged above the spraying device 19, a water storage tank B15 is arranged below the filler 16, the water storage tank B15 is communicated with the spraying device 19 through a circulating water pipe B22, the finned tube 20, the filler/coil coupling type condensation coil 18 and the mechanical refrigeration unit are connected through a pipeline to form a loop, and the evaporative condensation unit further comprises an air outlet 1 arranged at the top of the unit shell 21 corresponding to the upper side of the finned tube 20.
A circulating water pump B17 is connected to the circulating water pipe B22.
An exhaust fan 2 is arranged in the exhaust outlet 1.
The exhaust fan 2 is a centrifugal fan.
The filler/coil coupling type condensing coil 18 comprises a condensing coil 18-1, finned tubes 20 of finned tubes 20, the condensing coil 18-1 and a mechanical refrigeration unit are connected through pipelines to form a loop, the condensing coil 18-1 is vertically arranged, and fillers a18-2 are arranged in the coil gaps of the condensing coil 18-1.
One side of the primary air channel and one side of the secondary air channel, which are far away from the left air channel, which correspond to the side wall of the unit shell are respectively provided with a primary air inlet 8 and a secondary air inlet 9, one ends of the primary air channel and the secondary air channel, which correspond to the evaporation and condensation unit and the finned tube 20, are respectively provided with a primary air outlet 14 and a secondary air outlet 3, the plate-fin indirect evaporation and cooling unit comprises a plate-fin indirect evaporation and cooling device 13 which penetrates through an upper air channel and a lower air channel, the mechanical cooling unit is positioned in the primary air channel between the primary air outlet 14 and the plate-fin indirect evaporation and cooling device 13, the plate-fin indirect evaporation and cooling unit further comprises a spraying device A12 which is arranged in the secondary air channel between the secondary air inlet 9 and the plate-fin indirect evaporation and cooling device 13, the spraying device A12 sprays towards the plate-fin indirect evaporation and cooling device 13, a reservoir, the spraying device A12 and the water storage tank A10 are communicated through a circulating water pipe A23.
The circulating water pipe A23 is connected with a circulating water pump A11.
A water baffle 4 is also arranged between the secondary air outlet 3 and the plate-fin indirect evaporative cooler 13 in the secondary air channel.
The mechanical refrigeration unit comprises an evaporator 6 arranged at the position of an air outlet in the primary air channel, and the evaporator 6 is sequentially connected with a compressor 5, a finned tube 20, a filler/coil coupling type condensing coil 18 and a throttle valve 7 through pipelines to form a closed circulation loop.
The utility model discloses filler manifold type evaporation condensation cooling water set's theory of operation as follows:
the working principle of the evaporation and condensation unit is as follows: circulating water in the water storage tank B15 is sprayed on the surface of the filler/coil pipe coupling type condensing coil 18 by the spraying device 19 under the action of the circulating water pump B17, then a direct evaporation cooling process is carried out at the filler 16, water temperature is reduced and falls into the water storage tank B15, a refrigerant which is air-cooled and precooled by the finned tubes 20 enters the filler/coil pipe coupling type condensing coil 18, the air outside the tubes flows downwards and upwards to sweep over the coil pipe and a water film on the surface of the coil pipe to generate a heat and mass exchange process, and the air takes away the heat of the refrigerant and is discharged from an air outlet at the upper part of the unit.
The principle of air-cooling and precooling by the finned tube 20 is as follows: the air of the air-cooled pre-cooling part comes from two places, one is secondary air passing through the plate-fin indirect evaporative cooler 13; and the second is the air which is subjected to isenthalpic cooling by the plate-fin indirect evaporative cooler 13 and then passes through the filler 16 and the filler/coil coupling type condensing coil 18, so that the cold energy of the air is fully utilized.
The working principle of the plate-fin indirect evaporative cooling unit is as follows: under the action of the exhaust fan 2, outdoor air respectively enters the primary air channel and the secondary air channel of the indirect evaporative cooler 13 from the primary air inlet 8 and the secondary air inlet 9, and after being cooled through heat and humidity exchange, the outdoor air respectively blows the finned tubes 20 from the secondary air outlet 3 to perform air cooling and precooling. The evaporator 6 is positioned at the primary air outlet 14 and precools the primary air which is about to enter the evaporation and condensation part and is cooled by indirect evaporation and cooling in an isenthalpic manner again, so that the air reaches a lower temperature and then enters the evaporation and condensation filler 16 part.
Under the action of a circulating water pump A11, water in a reservoir B10 is sprayed on an indirect evaporative cooler through a spraying device A12, and the air and the water are subjected to an indirect evaporative cooling process, so that the primary air is subjected to isenthalpic cooling, and the secondary air is subjected to cooling and humidification.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735171.6U CN212644835U (en) | 2020-08-19 | 2020-08-19 | Packed coupled evaporative condensing chiller with finned tube precooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735171.6U CN212644835U (en) | 2020-08-19 | 2020-08-19 | Packed coupled evaporative condensing chiller with finned tube precooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212644835U true CN212644835U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021735171.6U Expired - Fee Related CN212644835U (en) | 2020-08-19 | 2020-08-19 | Packed coupled evaporative condensing chiller with finned tube precooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212644835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050324A (en) * | 2020-08-19 | 2020-12-08 | 西安工程大学 | Plate-fin indirect evaporative cooling unit based on air cooling precooling |
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2020
- 2020-08-19 CN CN202021735171.6U patent/CN212644835U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050324A (en) * | 2020-08-19 | 2020-12-08 | 西安工程大学 | Plate-fin indirect evaporative cooling unit based on air cooling precooling |
| CN112050324B (en) * | 2020-08-19 | 2024-03-12 | 西安工程大学 | Plate-fin indirect evaporative cooling unit based on air-cooled precooling |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210302 Termination date: 20210819 |