CN105650772A - Double-swirl evaporation and condensation type refrigerant direct expansion ventilation air conditioning system of subway station - Google Patents
Double-swirl evaporation and condensation type refrigerant direct expansion ventilation air conditioning system of subway station Download PDFInfo
- Publication number
- CN105650772A CN105650772A CN201610158065.8A CN201610158065A CN105650772A CN 105650772 A CN105650772 A CN 105650772A CN 201610158065 A CN201610158065 A CN 201610158065A CN 105650772 A CN105650772 A CN 105650772A
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- Prior art keywords
- heat exchanger
- expansion
- coolant
- openable
- air conditioning
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a double-swirl evaporation and condensation type refrigerant direct expansion ventilation air conditioning system of a subway station. The system comprises an exhaust way, a fresh air way and a ventilation air conditioner machine room; a multi-page opposite opening-adjustable heat exchanger combined with water spraying is arranged in the exhaust way; an openable refrigerant direct expansion heat exchanger is arranged in the fresh air way; an openable refrigerant direct expansion air conditioning unit is arranged in the ventilation air conditioner machine room; refrigerant output pipes are connected between the multi-page opposite opening-adjustable heat exchanger and heat exchangers in the fresh air way and the ventilation air conditioner machine room; a compressor is connected to a refrigerant return pipe; and expansion valves are connected to the refrigerant output pipes. The system has the beneficial effects of simple structure, convenience for maintenance, good smoke discharge ventilation effect, reasonable structure, convenience for installation, high heat exchange efficiency through combination with water spraying, high heat exchange efficiency through refrigerant direct expansion, canceling of a ground cooling tower, reduction of refrigerant transportation energy consumption, reduction of station machine room area, freeze prevention in winter and safe and reliable use.
Description
Technical field
The present invention relates to subway underground station large-size air conditioning technical field, be that a kind of subway underground station in conjunction with subway feature adopts evaporative condenser in conjunction with the air conditioning system of coolant direct expansion form.
Background technology
At present, tradition subway station air conditioning system is generally adopted and arranges cooling tower on ground, arranges refrigerator room, arrange water cooled chiller and chilled water pump, cooling water pump in refrigerator room in station, and air conditioning system end-equipment adopts the form of water cooling heat exchanger.
Run through for many years, sum up tradition subway ' s air-conditioning system and there is following problems:
(1) ground needs to arrange cooling tower, produces to take up an area the problems such as big, sound pollution, drift ice, view difference.
(2) need to arrange the refrigerator room of hundred square meters area in underground station, increase construction investment and difficulty of construction.
(3) with water for refrigerating medium, refrigerating amount is little; Needing water pump long distance delivery, pump energy consumption is high; Northern area needs to consider water releasing and freezing prevention problem winter.
Problem above is that subway ventilation design of air conditioning is badly in need of solving.
Summary of the invention
It is an object of the invention to provide the dynamic evaporative condenser type coolant direct-expansion-type ventilation and air conditioning system of a kind of subway station bispin, it is easy to maintenance that it has simple in construction, the multipage being combined with Water spray is split adjustable angle heat exchanger opening angle and can be adjusted according to air conditioner load, smoke-discharging and ventilating is effective, rational in infrastructure it is easily installed, with Water spray in conjunction with heat exchange efficiency height, openable coolant direct expansion heat exchanger heat exchange efficiency is high, fan energy consumption is saved in non-air-conditioning season heat exchanger unlatching, cancel ground cooling tower, reduce coolant conveying energy consumption, reduce station machine room area, preventing freeze in winter, the plurality of advantages such as safe and reliable. wherein, it is a kind of novel load adjustable type heat exchanger according to the research and development of subway feature that the multipage being combined with Water spray splits adjustable angle heat exchanger, compared with traditional heat exchangers, volume and weight change is little, has heat exchange efficiency height, energy-saving effect outstanding feature.
For above-mentioned purpose, the present invention by the following technical solutions:
The dynamic evaporative condenser type coolant direct-expansion-type ventilation and air conditioning system of a kind of subway station bispin, it includes exhausting duct (3), fresh flue (9), air conditioner machine room (11), it is characterized in that, in exhausting duct (3), it is provided with the multipage being combined with Water spray splits adjustable angle heat exchanger (1), openable coolant direct expansion heat exchanger (8) it is provided with in fresh flue (9), openable coolant direct expansion air conditioning unit (10) it is provided with in air conditioner machine room (11), split at the multipage being combined with Water spray and be connected to coolant outlet tube (5) between openable coolant direct expansion heat exchanger (8) in adjustable angle heat exchanger (1) and fresh flue and the openable coolant direct expansion air conditioning unit (10) in air conditioner machine room, split at the multipage being combined with Water spray and the defeated return pipe of coolant of adjustable angle heat exchanger is connected to compressor (6), split at the multipage being combined with Water spray and the coolant outlet tube of adjustable angle heat exchanger is connected to expansion valve (4).
Wherein, split the inlet side of adjustable angle heat exchanger and openable coolant direct expansion heat exchanger at the multipage being combined with Water spray and be provided with air filter (2).
The dynamic evaporative condenser type coolant direct-expansion-type ventilation and air conditioning system of the bispin that this subway station adopts, by adjusting the multipage being combined with Water spray being arranged in exhausting duct and split adjustable angle heat exchanger, it is arranged in fresh flue or the duty of the coolant opened direct-expansion-type heat exchanger in air conditioner machine room, it is possible to the air conditioning condition of debarkation stop, ventilation operating mode and fire are discharged fume the requirement of operating mode contentedly.
The invention has the beneficial effects as follows: there is simple in construction, easy to maintenance, the multipage being combined with Water spray is split adjustable angle heat exchanger opening angle and can be adjusted according to air conditioner load, smoke-discharging and ventilating is effective, rational in infrastructure it is easily installed, with Water spray in conjunction with heat exchange efficiency height, openable coolant direct expansion heat exchanger heat exchange efficiency is high, fan energy consumption is saved in non-air-conditioning season heat exchanger unlatching, cancel ground cooling tower, reduce coolant conveying energy consumption, reduce station machine room area, preventing freeze in winter, safe and reliable etc.
Accompanying drawing explanation
Fig. 1 is the coolant the opened direct-expansion-type heat exchanger closedown operating diagram that the present invention is arranged in exhausting duct that the multipage being combined with Water spray is split adjustable angle heat exchanger and is arranged in fresh flue and in air conditioner machine room.
Fig. 2 is that the multipage that the present invention is arranged in exhausting duct to be combined with Water spray is split adjustable angle heat exchanger and is arranged in fresh flue and the coolant opened direct-expansion-type heat exchanger unlatching in air conditioner machine room quits work schematic diagram.
Accompanying drawing labelling: 1 multipage being combined with Water spray splits adjustable angle heat exchanger; 2, air filter; 3, exhausting duct; 4, expansion valve; 5, coolant outlet tube; 6, compressor; 7, the defeated return pipe of coolant; 8, openable coolant direct expansion heat exchanger; 9, fresh flue; 10, the direct expansion of openable coolant is air conditioning unit; 11, air conditioner machine room.
Detailed description of the invention
Referring to Fig. 1, shown in Fig. 2: the dynamic evaporative condenser type coolant direct-expansion-type ventilation and air conditioning system of a kind of subway station bispin, it includes exhausting duct 3, fresh flue 9, air conditioner machine room 11, in exhausting duct 3, it is provided with the multipage being combined with Water spray splits adjustable angle heat exchanger 1, openable coolant direct expansion heat exchanger 8 it is provided with in fresh flue 9, openable coolant direct expansion air conditioning unit 10 it is provided with in air conditioner machine room 11, split at the multipage being combined with Water spray and be connected to coolant outlet tube 5 between the openable coolant direct expansion heat exchanger 8 in adjustable angle heat exchanger 1 and fresh flue and the openable coolant direct expansion air conditioning unit 10 in air conditioner machine room 11, the multipage being combined with Water spray is split and is connected to compressor 6 on the defeated return pipe 7 of coolant of adjustable angle heat exchanger 1,Split at the multipage being combined with Water spray and the coolant outlet tube 5 of adjustable angle heat exchanger 1 is connected to expansion valve 4.
The inlet side splitting adjustable angle heat exchanger 1 and openable coolant direct expansion heat exchanger 8,10 at the multipage being combined with Water spray is provided with air filter 2.
Carrying out practically mode is:
(1) air conditioning condition:
When summer air-conditioning operating mode, the openable coolant direct expansion heat exchanger closedown work that the multipage being combined with Water spray that system is arranged in exhausting duct is split adjustable angle heat exchanger, is arranged in fresh flue, compressor operating. Hot-air is sent in subway station after openable coolant direct expansion heat exchanger refrigerated dehumidification, the air-conditioning heat at station is carried by coolant, the multipage combined by the Water spray in exhausting duct is split adjustable angle heat exchanger and is shed and pass through station air draft, discharges outside station through exhausting duct, air draft booth.
(2) ventilation operating mode:
When ventilation operating mode, compressor is out of service, system is arranged on the openable coolant direct expansion heat exchanger in fresh flue and opens, quits work, outdoor new wind is by Xin Fengting, fresh flue, feeding subway station after the coolant direct expansion heat exchanger opened, the coolant direct expansion heat exchanger opened reduces fresh flue fan resistance, saves fan energy consumption; The multipage being combined with Water spray that system is arranged in exhausting duct is split adjustable angle heat exchanger and is opened, quits work, subway station air draft is split outside adjustable angle heat exchanger, air draft booth discharge chamber through the multipage being combined with Water spray of exhausting duct, unlatching, the multipage being combined with Water spray opened is split adjustable angle heat exchanger and is reduced exhausting duct exhaust resistance, saves fan energy consumption.
(3) fire smoke evacuation operating mode:
When breaking out of fire needs smoke evacuation operating mode, the multipage being combined with Water spray that system is arranged in exhausting duct is split adjustable angle heat exchanger and is opened, quits work, subway station flue gas is split outside adjustable angle heat exchanger, air draft booth discharge chamber through the multipage being combined with Water spray of exhausting duct, unlatching, the multipage being combined with Water spray opened is split adjustable angle heat exchanger and is reduced exhausting duct smoke evacuation resistance, be conducive to discharging smoothly fire smoke, it is ensured that evacuating personnel, escape.
The above is presently preferred embodiments of the present invention and the know-why used thereof; for a person skilled in the art; when without departing substantially from the spirit and scope of the present invention; any based on apparent changes such as the equivalent transformation on technical solutions of the utility model basis, simple replacements, belong within scope.
Claims (2)
1. the dynamic evaporative condenser type coolant direct-expansion-type ventilation and air conditioning system of subway station bispin, it includes exhausting duct (3), fresh flue (9), air conditioner machine room (11), it is characterized in that, in exhausting duct (3), it is provided with the multipage being combined with Water spray splits adjustable angle heat exchanger (1), openable coolant direct-expansion-type heat exchanger (8) it is provided with in fresh flue (9), openable coolant direct expansion air conditioning unit (10) it is provided with in air conditioner machine room (11), adjustable angle heat exchanger (1) and openable coolant direct expansion heat exchanger (8) is split at the multipage being combined with Water spray, it is connected to coolant outlet tube (5) between openable coolant direct expansion air conditioning unit (10) in air conditioner machine room, split at the multipage being combined with Water spray and the defeated return pipe of coolant of adjustable angle heat exchanger is connected to compressor (6),Split at the multipage being combined with Water spray and the coolant outlet tube of adjustable angle heat exchanger is connected to expansion valve (4).
2. the dynamic evaporative condenser type coolant direct-expansion-type ventilation and air conditioning system of subway station according to claim 1 bispin, it is characterized in that, the inlet side splitting adjustable angle heat exchanger and openable coolant direct-expansion-type heat exchanger at the multipage being combined with Water spray is provided with air filter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158065.8A CN105650772A (en) | 2016-03-18 | 2016-03-18 | Double-swirl evaporation and condensation type refrigerant direct expansion ventilation air conditioning system of subway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158065.8A CN105650772A (en) | 2016-03-18 | 2016-03-18 | Double-swirl evaporation and condensation type refrigerant direct expansion ventilation air conditioning system of subway station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105650772A true CN105650772A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610158065.8A Pending CN105650772A (en) | 2016-03-18 | 2016-03-18 | Double-swirl evaporation and condensation type refrigerant direct expansion ventilation air conditioning system of subway station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105650772A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715392A (en) * | 2019-11-11 | 2020-01-21 | 轨道交通节能北京市工程研究中心有限公司 | Subway station air conditioner high-efficiency heat extraction system combined with exhaust duct |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606870Y (en) * | 2003-03-24 | 2004-03-17 | 李国庆 | Openable door type direct evaporation type meter cooler device |
| US20040237572A1 (en) * | 2003-05-28 | 2004-12-02 | Lee Gi Seop | Air conditioning and ventilating system |
| CN2911507Y (en) * | 2006-05-26 | 2007-06-13 | 北京城建设计研究总院有限责任公司 | Cooling tower-free cold water type ventilation air conditioning system for subway station of urbon track traffic |
| CN104180451A (en) * | 2014-08-15 | 2014-12-03 | 李国庆 | Rotary heat exchanger capable of being combined with water spraying, provided with multiple oppositely-opened door leaves and adjustable opening angle |
| CN205481443U (en) * | 2016-03-18 | 2016-08-17 | 轨道交通节能北京市工程研究中心有限公司 | Evaporation -condensation type refrigerant direct expansion formula ventilating air conditioniner system is moved to subway station bispin |
-
2016
- 2016-03-18 CN CN201610158065.8A patent/CN105650772A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2606870Y (en) * | 2003-03-24 | 2004-03-17 | 李国庆 | Openable door type direct evaporation type meter cooler device |
| US20040237572A1 (en) * | 2003-05-28 | 2004-12-02 | Lee Gi Seop | Air conditioning and ventilating system |
| CN2911507Y (en) * | 2006-05-26 | 2007-06-13 | 北京城建设计研究总院有限责任公司 | Cooling tower-free cold water type ventilation air conditioning system for subway station of urbon track traffic |
| CN104180451A (en) * | 2014-08-15 | 2014-12-03 | 李国庆 | Rotary heat exchanger capable of being combined with water spraying, provided with multiple oppositely-opened door leaves and adjustable opening angle |
| CN205481443U (en) * | 2016-03-18 | 2016-08-17 | 轨道交通节能北京市工程研究中心有限公司 | Evaporation -condensation type refrigerant direct expansion formula ventilating air conditioniner system is moved to subway station bispin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715392A (en) * | 2019-11-11 | 2020-01-21 | 轨道交通节能北京市工程研究中心有限公司 | Subway station air conditioner high-efficiency heat extraction system combined with exhaust duct |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160608 |
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| WD01 | Invention patent application deemed withdrawn after publication |