CN212644835U - Filler coupling type evaporation and condensation water chilling unit with finned tube precooling - Google Patents
Filler coupling type evaporation and condensation water chilling unit 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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Abstract
The utility model discloses a take filler coupled evaporation condensation cooling water set of finned tube precooling, including the unit casing, divide 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 dividing into in the right wind channel, be primary air passageway and secondary air passageway respectively, two-layer wind channel is provided with the indirect evaporation cooling unit of plate-fin formula about running through, the air outlet of primary air passageway and secondary air passageway corresponds evaporation condensation unit and finned tube respectively, the position department that lies in the air outlet in the primary air passageway 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 discloses 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.
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)
1. Take filler coupled evaporative condensation cooling water set of finned tube precooling, its characterized in that includes unit housing (21), divide into left wind channel and right wind channel in unit housing (21), be provided with the evaporative condensation unit in the wind channel of a left side, evaporative condensation unit top is provided with finned tube (20), two-layer wind channel about being divided into in the right wind channel is primary air channel and secondary air passageway respectively, and two-layer wind channel is provided with the indirect evaporative cooling unit of board fin formula about running through, the air outlet of primary air channel and secondary air passageway corresponds respectively evaporative condensation unit and finned tube (20), the position department that lies in the air outlet in the primary air passageway still is provided with mechanical refrigeration unit, evaporative condensation unit, finned tube (20) form closed circulation circuit through the pipe connection.
2. The filler-coupled evaporative condensation chiller according to claim 1, the evaporation and condensation unit comprises a filler (16) which is arranged corresponding to the air outlet of the primary air channel, a filler/coil coupling type condensing coil (18) and a spraying device (19) are sequentially arranged above the filler (16) from bottom to top, the finned tube (20) is arranged above the spraying device (19), a water storage tank B (15) is arranged below the filler (16), the reservoir B (15) is communicated with the spraying device (19) through a circulating water pipe B (22), the air conditioning unit is characterized in that the finned tube (20), the filler/coil coupling type condensing coil (18) and the mechanical refrigeration unit are connected through pipelines to form a loop, and the air conditioning unit further comprises an air outlet (1) which is arranged at the top of the unit shell (21) and corresponds to the upper portion of the finned tube (20).
3. The stuffing-coupled evaporative condensation chiller according to claim 2, wherein a circulating water pump B (17) is connected to the circulating water pipe B (22).
4. The filler-coupled evaporative condensation chiller according to claim 2, wherein an exhaust fan (2) is disposed in the exhaust outlet (1).
5. The filler-coupled evaporative condensation chiller according to claim 4, wherein the exhaust fan (2) is a centrifugal fan.
6. The filler-coupled evaporative condensation water chilling unit according to claim 2, wherein the filler/coil-coupled condensation coil (18) comprises a condensation coil (18-1), the finned tube (20) and the finned tube (20) of the condensation coil (18-1) are connected with the mechanical refrigeration unit through pipelines to form a loop, the condensation coil (18-1) is vertically arranged, and the coil gap of the condensation coil (18-1) is provided with a filler a (18-2).
7. The filler-coupled evaporative condensation water chilling unit according to claim 2, wherein a primary air inlet (8) and a secondary air inlet (9) are respectively formed in the side wall of the unit housing corresponding to one side of the primary air channel and the secondary air channel away from the left air duct, a primary air outlet (14) and a secondary air outlet (3) are respectively formed in one ends of the primary air channel and the secondary air channel corresponding to the evaporative condensation unit and the finned tubes (20), the plate-fin indirect evaporative cooling unit includes a plate-fin indirect evaporative cooler (13) penetrating through the upper and lower air ducts, the mechanical refrigeration unit is located in the primary air channel between the primary air outlet (14) and the plate-fin indirect evaporative cooler (13), and the plate-fin indirect evaporative cooling unit further includes a spraying device arranged in the secondary air channel between the secondary air inlet (9) and the plate-fin indirect evaporative cooler (13) A (12), spray set A (12) sprays towards plate-fin indirect evaporative cooler (13), spray set A (12) below is provided with cistern A (10), spray set A (12) with cistern A (10) are through circulating pipe A (23) intercommunication.
8. The stuffing-coupled evaporative condensation chiller according to claim 7, wherein a circulating water pump A (11) is connected to the circulating water pipe A (23).
9. The filler-coupled evaporative condensation chiller according to claim 7, wherein a water baffle (4) is further disposed in the secondary air channel between the secondary air outlet (3) and the plate-fin indirect evaporative cooler (13).
10. The filler-coupled evaporative condensation chiller according to claim 2, wherein the mechanical refrigeration unit comprises an evaporator (6) disposed at the position of the air outlet in the primary air channel, the evaporator (6) is connected with a compressor (5), a finned tube (20), a filler/coil-coupled condensation coil (18) and a throttle valve (7) in sequence through pipelines, and forms a closed circulation loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021735171.6U CN212644835U (en) | 2020-08-19 | 2020-08-19 | Filler coupling type evaporation and condensation water chilling unit 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 | Filler coupling type evaporation and condensation water chilling unit with finned tube precooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212644835U true CN212644835U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021735171.6U Expired - Fee Related CN212644835U (en) | 2020-08-19 | 2020-08-19 | Filler coupling type evaporation and condensation water chilling unit 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 |
-
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 |
Granted publication date: 20210302 Termination date: 20210819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |