CN206274197U - A kind of heat-recovery fresh air ventilator of external chilled water coil - Google Patents
A kind of heat-recovery fresh air ventilator of external chilled water coil Download PDFInfo
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- CN206274197U CN206274197U CN201621394771.4U CN201621394771U CN206274197U CN 206274197 U CN206274197 U CN 206274197U CN 201621394771 U CN201621394771 U CN 201621394771U CN 206274197 U CN206274197 U CN 206274197U
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- fresh air
- moistening
- heat
- chilled water
- water coil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The utility model discloses a kind of heat-recovery fresh air ventilator of external chilled water coil, it includes shell, and return air inlet, air-supply outlet, fresh air inlet and wind exhausting outlet are provided with shell；The side that the side that return air inlet and air-supply outlet are disposed in the interior, fresh air inlet and wind exhausting outlet are disposed in the outdoor；It is characterized in that：Return air channel and fresh air channel are provided with shell, return air inlet, wind exhausting outlet are at the two ends of return air channel, fresh air inlet, air-supply outlet are at the two ends of fresh air channel, moistening and lowering temperature device and exhaust fan are provided with return air channel, filter, fresh-air fan and chilled water coil are provided with fresh air channel；Moistening and lowering temperature device carries out moistening and lowering temperature treatment to the indoor gas that moistening and lowering temperature device is pumped into from return air inlet using cold water, and filter is filtered to the outside fresh air that moistening and lowering temperature device is pumped into from fresh air inlet；Heat exchange core body is provided with shell, two groups of gas pipelines are provided with heat exchange core body, connected with return air channel and fresh air channel after moistening and lowering temperature device and filter respectively, it is mutually isolated between two groups of gas pipelines, heat exchange can be carried out.
Description
Technical field
The utility model is related to the fresh air ventilator field of air-treatment, more particularly to a kind of heat of external chilled water coil to return
Receive fresh air ventilator.
Background technology
With the raising that people are required IAQ, the ratio increase of fresh-air ventilation equipment is installed by family.Tradition
On the one hand fresh air ventilator for industry causes to install inconvenience and influence attractive in appearance because build is excessive.On the other hand, it is built
Build the relatively dirty air in thing the inside directly to drain, although enable room air to update, but cold or thermal energy in air draft does not have
Recycled, while causing energy significant wastage, also had influence on the use feeling of air conditioner refrigerating and heating function.Between
Evaporation cooling technique is connect as a kind of ripe power-saving technology, using widely in fresh air ventilator, but, using plus
The indirect evaporating-cooling of wet heat sink and heat exchange core body, processes the limited in one's ability of fresh air humiture, can not undertake whole
New wind load, is badly in need of a kind of efficient, fresh-air ventilation equipment with more preferable air-treatment capability on the market.
The content of the invention
The utility model is in order to solve the above mentioned problem that prior art is present again, there is provided a kind of heat of external chilled water coil is returned
Receive fresh air ventilator.
The technical solution of the utility model：A kind of heat-recovery fresh air ventilator of external chilled water coil, including shell, outside
Return air inlet, air-supply outlet, fresh air inlet and wind exhausting outlet are provided with shell；It is characterized in that：Independence is provided with shell
Return air channel and fresh air channel, return air inlet, wind exhausting outlet positioned at the two ends of return air channel, fresh air inlet, are blown out respectively
Mouth positioned at the two ends of fresh air channel, is provided with moistening and lowering temperature device and exhaust fan, in fresh air channel on return air channel respectively
On be provided with filter, fresh-air fan and chilled water coil；Moistening and lowering temperature device is added using cold water to being pumped into from return air inlet
The indoor gas of wet heat sink carry out moistening and lowering temperature treatment, and filter from fresh air inlet to being pumped into moistening and lowering temperature device
Outside fresh air is filtered；Heat exchange core body is provided with shell, two groups of gas pipelines are provided with heat exchange core body, respectively
Connected with return air channel and fresh air channel after moistening and lowering temperature device and filter, between two groups of gas pipelines mutually every
From, heat exchange can be carried out.
Further feature is：The moistening and lowering temperature device is answered by sprayer unit, or sprayer unit with macromolecule water uptake
Condensation material wet film is constituted.
Heat exchange core body uses aluminium foil core body.
The filter be combined type, from top to bottom respectively low efficient filter, electrostatic precipitator, medium effeciency filter and
High efficiency particulate air filter.
The chilled water coil be refrigeration system in finned evaporator, finned evaporator include one section vertically placement,
Serpentine-like circular heat exchange pipe of evaporator, entrance is flowed into refrigerant from below, is exported from top after heat in absorption air and flowed out.
Moistening and lowering temperature device top is provided with moisturizing hole, and lower section is provided with spilled water hole.
The side that return air inlet and air-supply outlet are disposed in the interior, fresh air inlet and wind exhausting outlet be disposed in the outdoor one
Side.
Compared to existing method, the utility model has following beneficial outcomes：
Return air in return air channel of the present utility model is lowered the temperature by moistening and lowering temperature device；Fresh air first passes through combination filtering dress
Put, the return air lowered the temperature with moistening and lowering temperature device in heat exchange core body carries out heat exchange and lowers the temperature；Then enter through chilled water coil
Got in after the cooling of one step.
The utility model improves the heat recovery efficiency of heat exchange core body using indirect evaporative cooling technology, can reduce fresh air and bear
Lotus, simple and reasonable, heat recovery efficiency is high, and installation and maintenance are easy.
The utility model greatly reduces the height of Fresh air handling units using unique arrangement mode, can hang in room
Below top board, noise is lower, and fan outlet wind direction makes that the air outlet of furred ceiling is more hidden attractive in appearance parallel to top board, and air-out is more comfortable；
Vertical installation can also be made.
Brief description of the drawings
The structural representation of Fig. 1 the utility model ventilators；
Fig. 2 provides left view of the present utility model；
Fig. 3 provides right view of the present utility model.
In accompanying drawing：1-shell, 2-return air inlet, 3-air-supply outlet, 4-fresh air inlet, 5-wind exhausting outlet, 6-add
Wet heat sink, 7-filter, 8-heat exchange core body, 9-exhaust fan, 10-fresh-air fan, 11-chilled water coil, 12-
Moisturizing hole, 13-spilled water hole.
Specific embodiment
For technical characteristic of the present utility model and effect can be described in detail, and can be realized according to the content of this specification,
Implementation method of the present utility model is further illustrated below in conjunction with the accompanying drawings.
In Fig. 1, OA represents outdoor fresh air, and EA represents outdoor air draft, and RA represents indoor return air, and SA represents indoor air-supply, arrow
Head represents the flow direction of return air or fresh air.
The heat-recovery fresh air ventilator of the external chilled water coil of the utility model, including shell 1, are provided with back on shell 1
Wind entrance 2, air-supply outlet 3, fresh air inlet 4 and wind exhausting outlet 5；Usual return air inlet 2 and air-supply outlet 3 be disposed in the interior one
Side, is easy to the air of interior to enter ventilator from return air inlet 2, and fresh air is drained into interior from air-supply outlet 3；Fresh air inlet
4 and the side that is disposed in the outdoor of wind exhausting outlet 5, it is easy to the fresh air of outdoor to enter ventilator from fresh air inlet 4, waste gas is from row
Ventilator is discharged in wind outlet 5.
Independent return air channel and fresh air channel is provided with shell 1, return air channel and fresh air channel are separate from each other
Open, respectively positioned at the two ends of return air channel, fresh air inlet 4, air-supply outlet 3 are located at fresh air respectively for return air inlet 2, wind exhausting outlet 5
The two ends of passage, are provided with moistening and lowering temperature device 6 and exhaust fan 9 on return air channel, and filtering is provided with fresh air channel
Device 7, fresh-air fan 10 and chilled water coil 11, moistening and lowering temperature device 6 is using cold water to being pumped into moistening and lowering temperature from return air inlet 2
The indoor gas of device 6 carry out moistening and lowering temperature treatment, and filter 7 pairs is pumped into the outer of moistening and lowering temperature device 6 from fresh air inlet 4
Portion's fresh air is filtered；It is provided with shell 1 in heat exchange core body 8, heat exchange core body 8 and is provided with two groups of gas pipelines, point
Do not connected with return air channel and fresh air channel after moistening and lowering temperature device 6 and filter 7, between two groups of gas pipelines mutually
Isolation, but heat exchange can be carried out；Two kinds of gases in two groups of gas pipelines carry out heat exchange, reduce the temperature of gas in fresh air channel
Degree.
Moistening and lowering temperature device 6 can be used with string as base material, sinter to form corrugated intersection weight by resin treatment
Folded polymer composite, with extremely strong water imbibition, good self-cleaning ability, there is provided maximum between moisture and air
Contact area；Moistening and lowering temperature device 6 is made up of alone or in combination sprayer unit or macromolecule strong absorptive composite wet film.
Heat exchange core body 8 can be used but be not limited to aluminium foil core body, and the air quantity scope of new return air is in 60-80000m3/h.Cross
Filter device 7 can be combined type, from top to bottom respectively low efficient filter, electrostatic precipitator, medium effeciency filter and high efficiency filter
Device, high efficiency particulate air filter makees filtrate using ultra-fine fibre glass paper；Filter 7 can be used all successively, also can partly be selected
Foregoing low efficient filter, electrostatic precipitator, medium effeciency filter and high efficiency particulate air filter.
Heat exchange core body 8 is arranged on middle part of the present utility model, there is two groups of gas pipelines, from indoor return air with passed through
The outdoor fresh air for filtering purification is pooled in heat exchange core body 8, and carrying out the heat without mixed flow by return air channel and fresh air channel hands over
After alternatively, return air discharges outdoor by wind exhausting outlet 5, after fresh air is lowered the temperature through chilled water coil 10, interior is sent into by air-supply outlet 3.
Chilled water coil 11 is the finned evaporator in refrigeration system, and the finned evaporator includes one section of peace vertically
Put, serpentine-like circular heat exchange pipe of evaporator, refrigerant from below entrance flow into, in absorption air after heat from top export flow
Go out；A number of fin is cased with heat exchanger tube, 30 row's fins are had in the present embodiment, fin mutually hangs down with heat exchanger tube
Directly, closely connection, strengthens heat exchanger tube heat-transfer capability.
Under cooling in summer operating mode, it is the task of indoor offer fresh air that the utility model undertakes.Fresh-air fan 10 and air draft
The equal startup optimization of blower fan 9, outdoor fresh air enters heat exchange core body 8 after being filtered into filter 7 by fresh-air fan 9
The gas relatively low with indoor temperature in return air channel carries out heat exchange, then enters chilled water coil 10 through fresh air channel, through cold
After water coil 10 is lowered the temperature again, interior is sent into through air-supply outlet 3.The return air for coming from interior then enters return air by return air inlet 3
Passage, is then lowered the temperature by the evaporation cooling effect of condensed water in moistening and lowering temperature device 6 to return air, and the return air after cooling leads to
Heat exchange core body 8 and new air heat-exchange are crossed, outdoor is discharged by exhaust fan 9 afterwards.In heat exchange core body 8, fresh air and return air are submitted
Distributary is moved, and centre is separated by hydrophilic aluminium foil.
In certain embodiments, the top of moistening and lowering temperature device 6 is provided with moisturizing hole 12, to supplement the moisture taken away by return air.
In certain embodiments, the lower section of moistening and lowering temperature device 6 is provided with spilled water hole 13, so as to the feelings that humidity load indoors is larger
Under condition, return air cannot all make condensate evaporation, remaining part discharge Fresh air handling units by spilled water hole 13 because condensation water quantity is larger.
Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, although ginseng
The utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (8)
1. a kind of heat-recovery fresh air ventilator of external chilled water coil, including shell（1）, in shell（1）On be provided with return air and enter
Mouthful（2）, air-supply outlet（3）, fresh air inlet（4）And wind exhausting outlet（5）；It is characterized in that：In shell（1）Inside it is provided with independent
Return air channel and fresh air channel, return air inlet（2）, wind exhausting outlet（5）It is located at the two ends of return air channel, fresh air inlet respectively
（4）, air-supply outlet（3）Respectively positioned at the two ends of fresh air channel, moistening and lowering temperature device is provided with return air channel（6）And air draft
Blower fan（9）, filter is provided with fresh air channel（7）, fresh-air fan（10）And chilled water coil（11）；Moistening and lowering temperature device
（6）Using cold water to from return air inlet（2）It is pumped into moistening and lowering temperature device（6）Gas carry out moistening and lowering temperature treatment, filtering dress
Put（7）To from fresh air inlet（4）It is pumped into moistening and lowering temperature device（6）Extraneous air filtered；In shell（1）Inside it is provided with
Heat exchange core body（8）, heat exchange core body（8）Two groups of gas pipelines are inside provided with, respectively with moistening and lowering temperature device（6）And filter
（7）Return air channel afterwards is connected with fresh air channel, mutually isolated between two groups of gas pipelines, can carry out heat exchange.
2. the heat-recovery fresh air ventilator of external chilled water coil according to claim 1, it is characterised in that：The humidification drop
Warm device（6）It is made up of with macromolecule water uptake composite wet film sprayer unit, or sprayer unit.
3. the heat-recovery fresh air ventilator of external chilled water coil according to claim 1 and 2, it is characterised in that：Heat exchange core
Body（8）Using aluminium foil core body.
4. the heat-recovery fresh air ventilator of external chilled water coil according to claim 1 and 2, it is characterised in that：The mistake
Filter device（7）It is combined type, from top to bottom respectively low efficient filter, electrostatic precipitator, medium effeciency filter and high efficiency particulate air filter.
5. the heat-recovery fresh air ventilator of external chilled water coil according to claim 1 and 2, it is characterised in that：It is described cold
Water coil（11）Be the finned evaporator in refrigeration system, finned evaporator include one section vertically placement, serpentine-like surround
Heat exchange pipe of evaporator, refrigerant from below entrance flow into, in absorption air after heat from top export flow out.
6. the heat-recovery fresh air ventilator of external chilled water coil according to claim 1 and 2, it is characterised in that：Humidification drop
Warm device（6）Top is provided with moisturizing hole（12）, lower section is provided with spilled water hole（13）.
7. the heat-recovery fresh air ventilator of external chilled water coil according to claim 5, it is characterised in that：Moistening and lowering temperature is filled
Put（6）Top is provided with moisturizing hole（12）, lower section is provided with spilled water hole（13）.
8. the heat-recovery fresh air ventilator of external chilled water coil according to claim 1 and 2, it is characterised in that：Return air enters
Mouthful（2）And air-supply outlet（3）It is arranged on shell（1）Indoor side, fresh air inlet（4）And wind exhausting outlet（5）Set outside
Shell（1）Outdoor side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394771.4U CN206274197U (en) | 2016-12-19 | 2016-12-19 | A kind of heat-recovery fresh air ventilator of external chilled water coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394771.4U CN206274197U (en) | 2016-12-19 | 2016-12-19 | A kind of heat-recovery fresh air ventilator of external chilled water coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206274197U true CN206274197U (en) | 2017-06-23 |
Family
ID=59063307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621394771.4U Active CN206274197U (en) | 2016-12-19 | 2016-12-19 | A kind of heat-recovery fresh air ventilator of external chilled water coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206274197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830613A (en) * | 2017-12-01 | 2018-03-23 | 珠海格力电器股份有限公司 | Fresh air ventilator |
-
2016
- 2016-12-19 CN CN201621394771.4U patent/CN206274197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830613A (en) * | 2017-12-01 | 2018-03-23 | 珠海格力电器股份有限公司 | Fresh air ventilator |
| CN107830613B (en) * | 2017-12-01 | 2023-12-05 | 珠海格力电器股份有限公司 | Fresh air ventilator |
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