CN211345647U - Direct evaporative cooling ventilation air conditioning unit for subway station - Google Patents
Direct evaporative cooling ventilation air conditioning unit for subway station Download PDFInfo
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- CN211345647U CN211345647U CN201921782964.0U CN201921782964U CN211345647U CN 211345647 U CN211345647 U CN 211345647U CN 201921782964 U CN201921782964 U CN 201921782964U CN 211345647 U CN211345647 U CN 211345647U
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- air conditioning
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- evaporative cooling
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- air
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Abstract
The utility model discloses a subway station is with direct evaporative cooling ventilation air conditioning unit, including the casing, be provided with air intake and air supply wind gap on the corresponding both sides wall of casing respectively, set gradually external silencer, cyclone, sack cleaner, high-tension static and sterilizing equipment, cold/hot coil pipe, direct evaporative cooling unit, breakwater, forced draught blower and internal silencer according to the flow direction of wind in the casing. The utility model discloses a subway station is with direct evaporative cooling ventilation air conditioning unit combines the cooling or the ventilation in the subway station of cold/hot coil pipe realization through direct cold-sending cooling, and the energy consumption is low.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, a subway station is with direct evaporative cooling ventilation air conditioning unit is related to.
Background
Under the rapid development of national economy, more and more cities begin to build subways to relieve traffic pressure caused by rapid development of the cities. And the subway stations are basically located underground, so that the ventilation and cooling of the subway stations are indispensable requirements.
The traditional mechanical air supply has large unit size, low unit efficiency and high operation energy consumption, and an efficient and environment-friendly air conditioning mode is urgently needed to ensure the normal operation of the subway under the national strategy of energy conservation and emission reduction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a subway station is with direct evaporative cooling ventilation air conditioning unit, through direct cold send out cooling combine the cooling or the ventilation of cold/hot coil pipe realization in the subway station, the energy consumption is low.
The utility model provides a technical scheme be, a subway station is with direct evaporative cooling ventilation air conditioning unit, including the casing, be provided with air intake and air supply wind gap on the corresponding both sides wall of casing respectively, set gradually external silencer, cyclone, sack cleaner, high-tension static and sterilizing equipment, cold/hot coil pipe, direct evaporative cooling unit, breakwater, forced draught blower and internal silencer according to the flow direction of wind in the casing.
The utility model is also characterized in that,
the direct evaporative cooling unit comprises an inclined stainless steel filler, water distributors are arranged above the inclined stainless steel filler and on one side close to the cold/hot coil pipe, and the water collecting tank is connected with the water distributors through circulating water pipes.
A dripping spray nozzle which sprays towards the inclined stainless steel filler is arranged on the water distributor above the inclined stainless steel filler, and a high-pressure micro-mist nozzle which sprays towards the inclined stainless steel filler is arranged on the water distributor at one side close to the cold/hot coil pipe.
The circulating water pipe is also provided with a circulating water pump.
The circulating water pipe is also provided with a water filter.
An air valve is arranged in the air inlet.
The water baffle adopts metal stainless steel filler.
The blower is also electrically connected with a motor through a cable.
The utility model has the advantages that:
(1) the utility model discloses a direct cold sending cooling combines cold/hot coil pipe to lower the temperature or ventilate in the subway station, and the energy consumption is low.
(2) The utility model discloses a mode of tertiary dust removal of cyclone, sack cleaner, high-pressure electrostatic precipitator for the air quality that gets into evaporative cooling filler improves greatly, improves the evaporation efficiency and the life of filler.
(3) The utility model discloses at high-pressure electrostatic precipitator and sterilizing equipment rear, cold/hot coil pipe has been arranged in evaporative cooling unit's the place ahead, under the extreme unfavorable condition in summer, lets in high temperature cold water, satisfies the cold volume demand in the station, when giving the interior humidification in winter, improves the temperature of the outer new trend in station, avoids low temperature air and circulating water to take place evaporative cooling on filling for water freezes, damages and packs.
(4) The direct evaporation cooling unit filler adopts a three-dimensional water distribution mode of upper side dripping and front side spraying, so that the water film distribution on the surface of the filler is more uniform, and dry spots on the filler are fully eliminated.
Drawings
Fig. 1 is the utility model discloses a subway station is with direct evaporative cooling ventilation air conditioning unit's structural schematic.
In the figure, 1, an air inlet, 2, an air valve, 3, a shell, 4, an external silencer, 5, a cyclone dust collector, 6, a bag-type dust collector, 7, a high-voltage electrostatic and sterilization device, 8, a cold/hot coil, 9, a circulating water pipe, 10, a circulating water pump, 11, a water filter, 12, a water collecting tank, 13, a high-pressure micro-mist nozzle, 14 drip spray nozzles, 15, a water distributor, 16, inclined stainless steel filler, 17, a water baffle, 18, a motor, 19, a blower, 20, an internal silencer and 21, an air supply port.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a subway station is with direct evaporative cooling ventilation air conditioning unit, its structure is as shown in figure 1, including casing 3, be provided with air intake 1 and air supply opening 21 on the corresponding both sides wall of casing 3 respectively, set gradually external silencer 4, cyclone 5, sack cleaner 6, high-tension static and sterilizing equipment 7, cold/hot coil pipe 8, direct evaporative cooling unit, breakwater 17, forced draught blower 19 and interior silencer 20 according to the flow direction of wind in the casing 3.
The direct evaporative cooling unit comprises an inclined stainless steel filler 16, a water distributor 15 is arranged above the inclined stainless steel filler 16 and on one side close to the cold/hot coil 8, and the water collecting tank 12 is connected with the water distributor 15 through a circulating water pipe 9.
A dripping nozzle 14 which sprays towards the inclined stainless steel filler 16 is arranged on the water distributor 15 which is positioned above the inclined stainless steel filler 16, and a high-pressure micro-mist nozzle 13 which sprays towards the inclined stainless steel filler 16 is arranged on the water distributor 15 which is positioned at one side close to the cold/hot coil 8.
The circulating water pipe 9 is also provided with a circulating water pump 10.
The circulating water pipe 9 is also provided with a water filter 11.
An air valve 2 is arranged in the air inlet 1.
The water baffle 17 is made of metal stainless steel filler.
The blower 19 is also electrically connected to the motor 18 by a cable.
The utility model discloses air conditioning unit's theory of operation does:
fresh air outside the station enters an external silencer 4 through an air inlet 1 under the condition that an air valve 2 is opened, the air after noise elimination enters a cyclone dust collector 5 to remove particles in the air, then enters a bag-type dust collector 6 to be further filtered, then enters a high-voltage electrostatic dust removal and sterilization device 7 to be filtered and sterilized, clean air is sent out, circulating water in a water collecting tank 12 is filtered by a water filter 11 and then is sent into a water distributor 15 through a circulating water pump 10 by a circulating water pipe 9, the circulating water is sprayed to an inclined stainless steel filler 16 through a dripping type nozzle 14 and a high-voltage micro-mist nozzle 13 to form a water film, the clean air enters a direct evaporative cooling unit to perform heat-moisture exchange with the water film attached to the inclined stainless steel filler 16, so that primary air is cooled and humidified by equal enthalpy, and the air cooled and humidified by equal enthalpy passes through a filler type water baffle 17, the excess moisture in the air is retained, and is sent into the station through the air sending port 21 after being silenced by the air sending device 19 and the inner silencer 20.
The utility model discloses an air conditioning unit divide into three kinds of operating condition, is respectively:
(1) summer season
The outdoor temperature of summer is high, the heat that transfers to the station in is more, the temperature risees in the station, through let in high temperature cold water in giving cold/coil pipe 8, carry out certain when wet cooling to the clean air through high-pressure electrostatic precipitator and sterilizing equipment 7 sterilization, in the direct evaporative cooling unit of reentrant through refrigerated air, carry out the heat and moisture exchange with the water film that adheres to on the filler for the air is by the equal enthalpy humidification cooling, like this, the air is through waiting wet cooling-equal enthalpy cooling twice cooling and is cooled down, reaches the biggest temperature drop, in order to satisfy the requirement to the temperature in the station.
(2) Transitional season
Under the condition of operation in transition seasons, the temperature outside the station is not high, the requirement inside the station can be met only by a certain ventilation quantity in the station, the cold/coil pipe 8 does not need to be opened, only the blower needs to be opened, and the outdoor air after three-stage filtration is sent into the room through the blower 19 so as to meet the requirement of the room on fresh air.
(3) Winter season
The in-station environment is dry, certain humidification needs to be carried out, high-temperature hot water is introduced into the cold coil pipe 8, the clean air sterilized by the high-voltage electrostatic dust removal and sterilization device 7 is preheated, the preheated air enters the direct evaporative cooling unit again, and wet exchange is carried out with a water film attached to the filler, so that the air is humidified, and the requirement for the temperature in the station is met.
Claims (8)
1. The utility model provides a subway station is with direct evaporative cooling ventilation air conditioning unit, its characterized in that, includes casing (3), be provided with air intake (1) and air supply wind gap (21) on the corresponding both sides wall of casing (3) respectively, set gradually external silencer (4), cyclone (5), sack cleaner (6), high-tension static and sterilizing equipment (7), cold/hot coil pipe (8), direct evaporative cooling unit, breakwater (17), forced draught blower (19) and internal silencer (20) according to the flow direction of wind in casing (3).
2. Air conditioning assembly according to claim 1, characterized in that the direct evaporative cooling unit comprises an inclined stainless steel packing (16), a water distributor (15) being arranged above the inclined stainless steel packing (16) and on the side close to the cold/hot coil (8), and a water collection tank (12) being arranged below the inclined stainless steel packing (16), the water collection tank (12) being connected to the water distributor (15) by means of a circulating water pipe (9).
3. Air conditioning unit according to claim 2, characterized in that a dripping nozzle (14) spraying towards the inclined stainless steel packing (16) is arranged on the water distributor (15) above the inclined stainless steel packing (16), and a high pressure micro-mist nozzle (13) spraying towards the inclined stainless steel packing (16) is arranged on the water distributor (15) at the side close to the cold/hot coil (8).
4. Air conditioning assembly according to claim 2, characterized in that a circulating water pump (10) is also arranged on the circulating water pipe (9).
5. Air conditioning assembly according to claim 2, characterized in that a water filter (11) is also provided on the circulating water pipe (9).
6. Air conditioning unit according to claim 1 or 2, characterized in that an air valve (2) is arranged in the air inlet (1).
7. Air conditioning assembly according to claim 1 or 2, characterized in that the water deflector (17) is filled with metallic stainless steel.
8. Air conditioning assembly according to claim 1 or 2, characterized in that the blower (19) is also electrically connected to the motor (18) by means of a cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782964.0U CN211345647U (en) | 2019-10-23 | 2019-10-23 | Direct evaporative cooling ventilation air conditioning unit for subway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782964.0U CN211345647U (en) | 2019-10-23 | 2019-10-23 | Direct evaporative cooling ventilation air conditioning unit for subway station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211345647U true CN211345647U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921782964.0U Expired - Fee Related CN211345647U (en) | 2019-10-23 | 2019-10-23 | Direct evaporative cooling ventilation air conditioning unit for subway station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211345647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11898771B2 (en) | 2020-06-11 | 2024-02-13 | Johnson Controls Technology Company | Sound attenuator for a terminal unit |
-
2019
- 2019-10-23 CN CN201921782964.0U patent/CN211345647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11898771B2 (en) | 2020-06-11 | 2024-02-13 | Johnson Controls Technology Company | Sound attenuator for a terminal unit |
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Legal Events
| 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: 20200825 Termination date: 20211023 |