CN205878496U - New trend is from exchanging four control air -handling unit of reheat - Google Patents
New trend is from exchanging four control air -handling unit of reheat Download PDFInfo
- Publication number
- CN205878496U CN205878496U CN201620863029.7U CN201620863029U CN205878496U CN 205878496 U CN205878496 U CN 205878496U CN 201620863029 U CN201620863029 U CN 201620863029U CN 205878496 U CN205878496 U CN 205878496U
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- air
- heat exchanger
- water coil
- type heat
- hot
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000003303 reheating Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 7
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 208000024891 symptom Diseases 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a new trend is from exchanging four control air -handling unit of reheat, fresh wind port department establish wet bulb temperature sensor and new fan, a plate -fin air heat exchanger air duct, the intercommunication is established new fan passageway and is established the cold water coiler surface heat exchanger passageway, establish firstly on establishing the cold water coiler surface heat exchanger passageway, the electronic air regulation valve of second, the 2nd air duct of first electronic air regulation valve intercommunication plate -fin air heat exchanger, the 2nd air duct establishes hot water coil pipe surface heat exchanger air duct with the electronic air regulation valve of second intercommunication, hot water coil pipe surface heat exchanger channel entrance department and supply -air outlet department all establish the dry bulb temperature sensor. The utility model discloses elementary new trend avoids conventional four control air conditioner energy to offset and waste to secondary new trend reheating, establish electronic air regulation valve behind the cold water coiler surface heat exchanger, the air supply temperature is on the high side when avoiding outdoor dry bulb temperature too high, hot water coil pipe surface heat exchanger supplyes reheat, avoids the temperature lower that supplys air.
Description
Technical field
This utility model relates to air-conditioning technical field, especially belongs to a kind of new wind self-exchange reheating four-pipe system air-treatment
Unit.
Background technology
In places such as clean operating room in hospitals, code requirement should use single flow full air conditioner with air purification mode, its energy consumption
The biggest.The air conditioner load demand frequently changed for satisfied indoor, air-conditioner should possess refrigeration and the ability of heat supply simultaneously, especially
, there is the significant wastage of energy especially in the reheat system arranged after new air cooling dehumidifying for reducing supply air temperature difference." civil buildings
Heating ventilator and In Air Conditioning Design specification " GB 50736 specifies " new wind reheating should not use electrical heating ", therefore, a lot
In engineering, have employed four-pipe system fresh air conditioner-mechanical, but in the hot-water coil pipe of reheating, the preparation of hot water also needs energy consumption, and deposit
Counteracting and waste at energy.
Summary of the invention
The purpose of this utility model is to provide a kind of new wind self-exchange reheating four-pipe system air-treatment unit, right to realize
New wind in air cleaning and conditioning system, carries out the purpose of the damping homoiothermic of efficient energy-saving.
One provided by the utility model new wind self-exchange reheating four-pipe system air-treatment unit, it is characterised in that
It is provided with wet bulb temperature sensor at fresh wind port, inside fresh wind port, is provided with new blower fan；The of plate-fin air heat exchanger
One air duct, has connected the passage being provided with new blower fan and the passage being provided with chilled water coil surface-type heat exchanger, and wet bulb temperature passes
Sensor sends the water route electric control valve of Signal Regulation chilled water coil surface-type heat exchanger；It is being provided with chilled water coil surface-type heat exchange
The first electric air volume adjusting valve and the second electric air volume adjusting valve, the first electric air volume adjusting valve it is respectively arranged with on the passage of device
Second air duct of connection plate-fin air heat exchanger, the second air duct connection is provided with hot-water coil pipe surface-type heat exchanger
Air duct, the second electric air volume adjusting valve the most directly connects the air duct being provided with hot-water coil pipe surface-type heat exchanger,
Before the second air duct and the second electric air volume adjusting valve air quantity enter and be provided with hot-water coil pipe surface-type heat exchanger passage, in heat
Being provided with dry-bulb temperature sensor at water coil surface-type heat exchanger feeder connection, dry-bulb temperature sensor sends signal and controls the
One electric air volume adjusting valve and the second electric air volume adjusting valve, after processing by hot-water coil pipe surface-type heat exchanger supplementary heating
New wind delivers to air outlet, is additionally provided with dry-bulb temperature sensor at air outlet, sends Signal Regulation hot water water route electric control valve.
Further, it is additionally provided with humidifier between described hot-water coil pipe surface-type heat exchanger and air outlet.
Further, it is clean that described air-treatment unit is also provided with air filter, sterilization inside fresh wind port
Gasifying device.
A kind of new wind self-exchange reheating four-pipe system air-treatment unit operation principle:
Summer and transition season:
The primary new wind of outdoor high temperature high humidity first through plate-fin air heat exchanger at chilled water coil surface-type heat exchanger
Secondary new wind reheating after reason, passes to secondary new wind by part sensible heat amount, and the primary new wind after pre-cooling is through chilled water coil table
Facial heat exchanger carries out cooling and dehumidifying, becomes the secondary new wind of cold drying, then through plate-fin air heat exchanger, by primary high
Temperature high humidity new wind reheating, to improve wind pushing temperature, if supply air temperature difference now is in desired extent, is then fed directly to indoor；As
Wind pushing temperature is higher than design load, then can be by adjusting volume damper, to limit secondary new wind by plate-fin air heat exchange
The air quantity of device, reduces heat again, reduces wind pushing temperature to design load；If wind pushing temperature is less than design load, then pass through hot-water coil pipe
Surface-type heat exchanger carries out post bake, and raising wind pushing temperature is to design load, and it is right to utilize hot water water route electric control valve to realize
The regulation of hot water flow, can meet the requirement of indoor supply air temperature difference.
In winter, after hot-water coil pipe surface-type heat exchanger, new wind can be humidified, meet the demand of indoor comfort degree.
New wind self-exchange reheating four-pipe system air-treatment unit provided by the utility model,
(1) new wind self-exchange is utilized--the heating again of primary new wind wind new to secondary, after being greatly saved cooling and dehumidifying
The thermal energy consumption again of new wind, it is to avoid the energy offset of conventional four-pipe system air-conditioner and waste.
(2) it is provided with two electric air volume adjusting valves, with side after the chilled water coil surface-type heat exchanger in this utility model
Logical mode reduces new wind heat again, then can preferably regulate supply air temperature difference, it is to avoid air-supply temperature when outdoor dry-bulb temperature is too high
Spend higher, and the problem affecting indoor air-conditioning system refrigerating capacity.
(3) hot-water coil pipe surface-type heat exchanger is set in this utility model, solve because of outdoor dry-bulb temperature relatively low time
The problem that new wind reheating is not enough, hot-water coil pipe surface-type heat exchanger controls the water route electric adjustable on hot water supply system according to demand
Joint valve, provides the additional heat of new wind reheating in good time；
(4) in this utility model, each parameter of new wind independently controls, different sensors regulate the execution of correspondence respectively
Device, without interfering or offsetting: change as regulated chilled water coil surface-type according to the wet bulb temperature of unit new wind porch
The water route electric control valve (regulation of the leading low-temperature receiver of cooling and dehumidifying) of hot device；Can be according to hot-water coil pipe surface-type heat exchanger entrance
The dry-bulb temperature at place regulates two electric air volume adjusting valves (avoid wind pushing temperature higher)；Can regulate according to the temperature at air outlet
Water route electric control valve on hot-water coil pipe heat exchanger (avoid wind pushing temperature on the low side).
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
In figure: 1, new blower fan；2, plate-fin air heat exchanger；3, chilled water coil surface-type heat exchanger；4, first is electronic
Volume damper；5, the second electric air volume adjusting valve；6, hot-water coil pipe surface-type heat exchanger；7, humidifier；8, fresh wind port；9, send
Air port.
Detailed description of the invention
As it is shown in figure 1, one provided by the utility model new wind self-exchange reheating four-pipe system air-treatment unit, it is special
Levy and be, at fresh wind port 8, be provided with wet bulb temperature sensor, inside fresh wind port 8, be provided with new blower fan 1, plate-fin air
One air duct of heat exchanger 2, has connected and has been provided with the passage of new blower fan 1 and is provided with chilled water coil surface-type heat exchanger 3
Passage, wet bulb temperature sensor sends the water route electric control valve of Signal Regulation chilled water coil surface-type heat exchanger 3, according to outdoor
The overall cooling and dehumidifying amount of the enthalpy regulation air of new wind；The passage being provided with chilled water coil surface-type heat exchanger 3 sets respectively
Being equipped with the first electric air volume adjusting valve 4 and the second electric air volume adjusting valve 5, it is empty that the first electric air volume adjusting valve 4 connects plate-fin
Second air duct of gas-heat exchanger 2, the second air duct connection is provided with the air of hot-water coil pipe surface-type heat exchanger 6 and leads to
Road, the second electric air volume adjusting valve 5 then directly connects the air duct being provided with hot-water coil pipe surface-type heat exchanger 6, second
Air duct and the second electric air volume adjusting valve 5 air quantity enter before being provided with hot-water coil pipe surface-type heat exchanger 6 passage, at hot water disc
Being provided with dry-bulb temperature sensor at tube-surface formula heat exchanger 6 feeder connection, dry-bulb temperature sensor sends signal and controls first
Electric air volume adjusting valve 4 and the second electric air volume adjusting valve 5, it is to avoid when outdoor new air-dried bulb temperature is higher, wind pushing temperature is higher；
When outdoor newly air-dry bulb temperature relatively low time, then by hot-water coil pipe surface-type heat exchanger 6 supplementary heating, process up to standard after new wind
Deliver to indoor eventually through air outlet 9, at air outlet 9, be additionally provided with dry-bulb temperature sensor, send Signal Regulation hot water water route
Electric control valve, by controlling hot water flow, it is achieved the effective regulation to wind pushing temperature.Winter, then to hot-water coil pipe surface-type
The dry hot-air of heat exchanger 6 heating, sends to air outlet 9 after humidifier 7 humidifies again.Described air-treatment unit also exists
Inside fresh wind port, place is provided with air filter, sterilization purifier.
In hospital or hotel, home office and other places, when the air conditioning form of use independent temperature-humidity control and indoor
During for displaced type draft type, it is possible to new elegance this utility model is carried out highly effective humidity conditioning homoiothermic process.
Claims (3)
1. a new wind self-exchange reheating four-pipe system air-treatment unit, it is characterised in that be provided with wet bulb temperature at fresh wind port
Sensor, is provided with new blower fan inside fresh wind port；First air duct of plate-fin air heat exchanger, has connected and has been provided with newly
The passage of blower fan and the passage being provided with chilled water coil surface-type heat exchanger, wet bulb temperature sensor sends Signal Regulation chilled water coil
The water route electric control valve of surface-type heat exchanger；The passage being provided with chilled water coil surface-type heat exchanger is respectively arranged with first
Electric air volume adjusting valve and the second electric air volume adjusting valve, the first electric air volume adjusting valve connection plate-fin air heat exchanger
Second air duct, the second air duct connection is provided with the air duct of hot-water coil pipe surface-type heat exchanger, and the second electronic wind
Adjustable valve the most directly connects the air duct being provided with hot-water coil pipe surface-type heat exchanger, electronic at the second air duct and second
Volume damper air quantity enters before being provided with hot-water coil pipe surface-type heat exchanger passage, enters at hot-water coil pipe surface-type heat exchanger passage
Being provided with dry-bulb temperature sensor at Kou, dry-bulb temperature sensor sends signal and controls the first electric air volume adjusting valve and the second electricity
Wind symptom adjustable valve, the new wind after being processed by hot-water coil pipe surface-type heat exchanger supplementary heating delivers to air outlet, at air outlet
It is additionally provided with dry-bulb temperature sensor, sends Signal Regulation hot water water route electric control valve.
New wind self-exchange reheating four-pipe system air-treatment unit the most according to claim 1, it is characterised in that described heat
It is additionally provided with humidifier between water coil surface-type heat exchanger and air outlet.
3., according to the new wind self-exchange reheating four-pipe system air-treatment unit described in any one of claim 1 or 2, its feature exists
In, it is provided with air filter, sterilization purifier inside described fresh wind port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620863029.7U CN205878496U (en) | 2016-08-11 | 2016-08-11 | New trend is from exchanging four control air -handling unit of reheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620863029.7U CN205878496U (en) | 2016-08-11 | 2016-08-11 | New trend is from exchanging four control air -handling unit of reheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205878496U true CN205878496U (en) | 2017-01-11 |
Family
ID=57703003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620863029.7U Expired - Fee Related CN205878496U (en) | 2016-08-11 | 2016-08-11 | New trend is from exchanging four control air -handling unit of reheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205878496U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800373A (en) * | 2017-10-13 | 2018-11-13 | 华东建筑设计研究院有限公司 | A kind of bypass type fresh air air-treatment unit for eliminating cooling condition thermal energy consumption again |
| CN108826564A (en) * | 2017-10-13 | 2018-11-16 | 华东建筑设计研究院有限公司 | A kind of fresh air air-treatment unit reducing cooling condition thermal energy consumption again |
| CN111076339A (en) * | 2020-01-03 | 2020-04-28 | 核工业西南勘察设计研究院有限公司 | A constant temperature and humidity energy saving air handling unit |
-
2016
- 2016-08-11 CN CN201620863029.7U patent/CN205878496U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800373A (en) * | 2017-10-13 | 2018-11-13 | 华东建筑设计研究院有限公司 | A kind of bypass type fresh air air-treatment unit for eliminating cooling condition thermal energy consumption again |
| CN108826564A (en) * | 2017-10-13 | 2018-11-16 | 华东建筑设计研究院有限公司 | A kind of fresh air air-treatment unit reducing cooling condition thermal energy consumption again |
| CN111076339A (en) * | 2020-01-03 | 2020-04-28 | 核工业西南勘察设计研究院有限公司 | A constant temperature and humidity energy saving air handling unit |
| CN111076339B (en) * | 2020-01-03 | 2025-03-18 | 核工业西南勘察设计研究院有限公司 | A constant temperature and humidity energy-saving air handling unit and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170111 Termination date: 20180811 |