CN208920422U - A kind of novel air-conditioning system - Google Patents
A kind of novel air-conditioning system Download PDFInfo
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- CN208920422U CN208920422U CN201821365842.7U CN201821365842U CN208920422U CN 208920422 U CN208920422 U CN 208920422U CN 201821365842 U CN201821365842 U CN 201821365842U CN 208920422 U CN208920422 U CN 208920422U
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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
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- 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]
- Y02B30/54—Free-cooling systems
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Abstract
The utility model provides a kind of novel air-conditioning system, including the first air-conditioning equipment, the second air-conditioning equipment, air conditioner end equipment, the air conditioner end equipment includes: radiant coil, air supply device, radiant coil is embedded in inside the ground of large space, and liquid mediums are in radiant coil internal circulation flow；Air supply device is mounted on the bottom of large space.The utility model is for obvious insufficient and disadvantage existing for the full air mixed ventilation air-conditioning system for applying traditional form in large-space clean factory building, to meet the needs of large-space clean factory building is to air-conditioning system, especially airport building, station hall, the demand of the buildings such as conference and exhibition center and stadiums, the utility model organically combines radiant coil and underfloor air distribution, not only realize good layering effect and segment space control purpose, also to the Effective Regulation of control zone thermal and humidity environment, in addition, the utility model reduces air-conditioning semen donors in the invalid loss on control zone top to greatest extent, air conditioner load is greatly reduced from source.
Description
Technical field
The utility model relates to Heating,Ventilating and Air Conditioning technical fields, more particularly to a kind of novel air-conditioning system.
Background technique
Large-space clean factory building (such as: airport building, station hall, conference and exhibition center and stadiums building) is mostly deposited
In the architectural feature and air-conditioning system feature of some general character:
(1) building is high, big, penetrating；Transparent enclosure structure proportion is big；Flow of the people is big, and density is high；Annual long operational time
Deng；
(2) floor surface solar radiation is strong；Building enclosure wall surface temperature is high；Only the space of certain altitude near the ground exists empty
Temperature regulating, humidity and demand of wind speed etc.；
Currently, the air conditioning terminal system that domestic large-space clean factory building is all made of is lip jet air-supply or top swirl diffuser
The full air mixed ventilation air-conditioning system of air-supply, air-supply open height is very high (3.5~7.0 meters away from ground or higher), wind speed of blowing
Very big (3.0~7.5m/s or bigger).This system form leads to large-space clean factory building air-conditioning system there are loads big, initial cost
High, operation energy consumption and it is costly, indoor thermal comfort is poor, indoor air quality is bad the problems such as.
In view of this, being badly in need of providing, that a kind of initial cost is small, operation energy consumption is low, thermal comfort and air quality are excellent is novel
Air-conditioning system.
Summary of the invention
The purpose of this utility model is to provide a kind of novel air-conditioning systems, using the radiation disk being embedded inside ground
It manages and carries out the Effective Regulation of indoor temperature and humidity environment with the mode that the air supply device of arrangement on the ground combines.
Realize that the technical solution of the utility model aim is as follows:
A kind of novel air-conditioning system, including the first air-conditioning equipment, the second air-conditioning equipment, air conditioner end equipment, the air-conditioning
End-equipment includes: radiant coil, the air supply device for conveying into large space cold air or hot-air, is mounted on large space
The air exhausting device at top；
The radiant coil is embedded in inside the ground of large space, and first air-conditioning equipment is connected to radiant coil,
Circulation has the liquid mediums flowed out from the first air-conditioning equipment in the radiant coil, and the energy of the liquid mediums is first transmitted to ground
Face, then by ground radiation energy into large space, to adjust the temperature of large space；
The air supply device is mounted on the bottom of large space, and the air supply device is connected to the second air-conditioning equipment, this send
The cold air that second air-conditioning equipment exports or hot-air are diffused to the bottom of entire large space by wind apparatus, so that tall and big
The air in space itself rises under the cold air or hot air acting and is discharged from air exhausting device.
It as a further improvement of the utility model, further include empty for handling the solution humidifying of fresh air outside large space
Unit is adjusted, the solution humidifying air-conditioner set is also used to convey fresh air into large space, which passes through air-supply
Device is sent into large space, so that fresh air rises to top by the bottom of large space.
Second air-conditioning equipment, solution humidifying air-conditioner set, air supply device as a further improvement of the utility model,
It is connected to by pipe network, the cold air or hot-air of the fresh air and the output of the second air-conditioning equipment collect in pipe network, and lead to
Pipe network transmission & distribution are crossed to air supply device.
The air supply device is multiple as a further improvement of the utility model, and multiple air supply devices are installed in height
The bottom of large space, the second air-conditioning equipment and solution humidifying air-conditioner set are connected to each air supply device respectively.
The air intake of second air-conditioning equipment is equipped with backwind tube and fresh air as a further improvement of the utility model,
Pipe, backwind tube are equipped with return air valve, and fresh wind tube is equipped with fresh air valve, and the return air valve and fresh air valve are to select in a manner of one
It opens, to realize, return air or large space outside fresh air are transported to the second air-conditioning equipment in a manner of selecting one inside large space.
The top of the backwind tube is equipped with return air inlet as a further improvement of the utility model, and the return air inlet is away from ground
2.5 m -4m。
The air supply device is arranged on the floor in large space as a further improvement of the utility model,.
The radiant coil is more as a further improvement of the utility model, and more radiant coil parallel connections are embedded, and
And every radiant coil is all made of the distribution of inflection shape.
The outlet air end of the solution humidifying air-conditioner set is equipped with the first branch pipe as a further improvement of the utility model,
The outlet air end of second air-conditioning equipment is equipped with the second branch pipe, and the air intake of the air supply device is equipped with main air hose, and described first
Branch pipe and the second branch pipe are connected to main air hose respectively so that the fresh air in the first branch pipe and the cold air in the second branch pipe or
Hot-air collects in main air hose.
Second air-conditioning equipment is dry coils air-conditioner set, the dry type as a further improvement of the utility model,
Coil air conditioner unit includes dry coils, and the dry coils are arranged in parallel with radiant coil.
Compared with prior art, the utility model has the beneficial effects that
1, radiant coil and underfloor air distribution organically combine, and realize good layering effect and segment space control purpose,
It realizes the Effective Regulation to control zone (occupied zone near the ground) thermal and humidity environment, reduces air-conditioning cooling supply (heat) amount to greatest extent
Invalid loss on control zone top, is greatly reduced air conditioner load from source.
2, being greatly lowered due to air-conditioning system load, refrigeration equipment in air-conditioning system, conveying equipment, end-equipment,
The capacity such as auxiliary device, tubing, attachment and model significantly reduce, and air-conditioning system initial cost is greatly lowered.
3, the novel air conditioning system operation energy consumption of the utility model is low, expense is low.
4, using lower part air supply mode after being mixed by fresh air with cold air or hot-air, only to control zone (near-earth
Face occupied zone) carry out heat and wet treatment, air-conditioning system air quantity significantly reduces, the operation energy consumption of air circulation power-equipment and
Expense is greatly lowered.
5, due to using the radiant coil of large area, and the conveying of cold and hot amount is carried out in coil pipe using water as medium, due to
The specific heat capacity of water is larger, and conveying energy consumption is only using air as 20%~30% or so of the air-conditioning system of medium.
6, replace the mode of traditional dehumidification by condensation simultaneously in such a way that solution humidifying air-conditioner set dehumidifies to fresh air
Indoor whole latent heat loads are undertaken, other equipment only need sensible heat load in process chamber (accounting for about total load 50%~70%), from
And make it possible directly using free natural cold source, even if using electricity refrigeration, the efficiency of refrigeration machine can also improve about 30%
More than, the raising of efficiency of refrigerator further reduced the operation energy consumption and expense of system.
Detailed description of the invention
Fig. 1 is the schematic diagram of novel air conditioning system；
Fig. 2 is the radiation floor schematic diagram of a layer structure comprising radiant coil；
In figure, 1, radiant coil；11, eradiation heating tube；12, fixing card；13, base；14, insulating layer；15, concrete
Filled layer；16, floor；2, air supply device；3, solution humidifying air-conditioner set；4, dry coils air-conditioner set；200, fresh air；
300, Air Conditioning Facilities；400, large space；500, return air.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the utility model and creates and simplify description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as the limitation created to the utility model.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result,
It can explicitly or implicitly include one or more of the features.In the description that the utility model is created, unless otherwise
Illustrate, the meaning of " plurality " is two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands concrete meaning of the above-mentioned term in the utility model creation.
Embodiment 1:
Architectural feature due to large-space clean factory building itself and the demand to air-conditioning system, lip jet air-supply or top rotation
The full air mixed ventilation air-conditioning system of stream air port air-supply is generally used.But due to practical by Room air distribution design and scene
The limitation of condition, spout have focused largely on 3.5~7.0 meters away from ground or higher, i.e., Air-condition system control spout with
Under indoor temperature and humidity environment, air conditioning area height be 3.5~7.0 meters or so, air-conditioning system load is huge.If by special item
Part restricts, and the full air mixed ventilation air-conditioning system blown using top swirl diffuser, the load of air-conditioning system also will increase 30%
~40% or so.According to statistics, the refrigeration duty of large-space clean factory building Lateral supply air-conditioning system is about 250W/m2~280W/m2, top rotation
The air-conditioning refrigeration duty for flowing air port air-supply is 300W/m2~380W/m2。
In addition, huge due to air-conditioning system load, cause refrigeration equipment in air-conditioning system, conveying equipment, end-equipment,
The capacity such as auxiliary device, tubing, attachment and model increase considerably, and air-conditioning system initial cost is very high.
In order to solve the problems, such as that existing air conditioning terminal system investments are big, energy consumption is high, please join shown in Fig. 1, Fig. 1 is novel air
The schematic diagram of adjusting system, present embodiment discloses a kind of novel air-conditioning systems.The novel air conditioning system includes that the first air-conditioning is set
Standby, the second air-conditioning equipment, air conditioner end equipment, the air conditioner end equipment include: radiant coil 1, air supply device 2, are mounted on height
Air exhausting device at the top of large space；Radiant coil 1 is embedded in inside the ground of large space, the first air-conditioning equipment and radiant coil
Connection.
It is low in cooling season in use, circulation has the cryogen medium exported from the first air-conditioning equipment in radiant coil 1
The energy of warm liquid mediums is first transmitted to ground, then by ground radiation energy into large space, makes the temperature in large space
Degree reduces；Air supply device 2 is mounted on the bottom of large space, and the cold air for exporting the second air-conditioning equipment diffuses to entirely
The bottom of large space, so that the hot-air in large space rises under Cold air mass influence and is discharged from air exhausting device.
It is high in heating season in use, circulation has the high temperature fluid medium exported from the first air-conditioning equipment in radiant coil 1
The energy of warm liquid mediums is first transmitted to ground, then by ground radiation energy into large space, makes the temperature in large space
Degree increases；Air supply device 2 is mounted on the bottom of large space, and the hot-air for exporting the second air-conditioning equipment diffuses to entirely
The bottom of large space, so that the air of large space itself rises under hot air acting and is discharged from air exhausting device.
The air supply device 2 of the present embodiment is mounted directly on the ground, in actual use, two neighboring air supply device 2 it
Between spacing needs checked according to supply air temperature, air supply velocity, air output, usually 5 meters -6 meters.When cooling season uses
When, the high temperature cold water that the liquid mediums of the present embodiment are 14 DEG C or so, the medium high temperature cold water in radiant coil 1 can be and can produce
Raw high temperature cold water --- 14 DEG C or so of all cold sources, high temperature cold or natural cooling source etc..Under normal circumstances, radiant coil 1
Interior medium comes from the return water of refrigerating plant room or upstream low temperature user's primary user.Medium is generally in radiant coil 1
14 DEG C or so, the temperature of floor surface is made to be higher than the dew-point temperature of room air, guarantees that floor surface does not condense.
When heating season in use, the liquid mediums of the present embodiment are 45 DEG C or so of low-temperature water heating, in radiant coil 1
Medium (low-temperature water heating) can be all heat sources that can generate low-temperature water heating (45 DEG C or so), such as vacuum boiler, solar heat
Water, GEOTHERMAL WATER etc..Under normal circumstances, the medium in radiant coil 1 comes from heating plant or upstream high temperature user's (level-one
User) return water.
The bottom of large space is arranged in air supply device 2 by the present embodiment, and air exhausting device is arranged in the top of large space
There is air-supply air quantity, wind speed and air supply direction can easily be accommodated and control in portion, and outlet air air current composition is uniform, and structure is relatively easy, easily
In installation, debugging and maintenance the advantages that.
In actual use, preferably the first air-conditioning equipment is high temperature cold or natural cooling source etc..
In actual use, preferably the second air-conditioning equipment is dry coils air-conditioner set 4, and dry coils air-conditioner set 4 is
Equipment exclusively for adapting to humiture independence control air conditioner system and developing, with air quantity is big, noise is small, structure is simple, installation
The advantages that position is flexible, amphidromic wet structure.The dry coils air-conditioner set 4 of the present embodiment is similar with conventional air-conditioning unit, difference
It is only that the structure type of cold water supply water temperature and heat exchanger is different.Dry coils air-conditioner set 4 is an entirety, all
It installs in Air Conditioning Facilities 300, indoor with supply unit 2 is connected by air hose.Wind to be cooled needed for dry coils air-conditioner set 4 is next
Backwind tube and fresh wind tube, backwind tube are equipped with from the air intake in indoor return air or outdoor fresh air, preferred dry coil air conditioner unit 4
It is equipped with return air valve, fresh wind tube is equipped with fresh air valve, and return air valve is opened in a manner of selecting one with fresh air valve, to realize height
Return air or large space outside fresh air are transported to dry coils air-conditioner set 4 in a manner of selecting one inside large space.Refrigeration and is adopted at season
Warm season only has indoor return air to enter dry coils air-conditioner set 4, and fresh air valve is to close at this time.When conditioning in Transition Season, open new
Air valve, and return air valve is simultaneously closed off, take all-fresh air operational mode.
Return air valve in the present embodiment is opened, after fresh air valve is closed, the air above control zone, and the overwhelming majority
Enter dry coils air-conditioner set from backwind tube, become cold air or hot-air output after the processing of dry coils air-conditioner set,
The indoor wind of air exhausting device discharge at this time only accounts for sub-fraction.
It may be noted that the fresh air of dry coils air-conditioner set 4 does not mix in dry coils air-conditioner set 4 with indoor return air,
Refrigeration season and Heating Season only have indoor return air to enter dry coils air-conditioner set 4, at this time fresh wind tube on dry coils air-conditioner set 4
New air-valve be to close, the air returning valve on backwind tube is opened.When conditioning in Transition Season, fresh air on dry coils air-conditioner set 4 is opened
The new air-valve of pipe, and the air returning valve on backwind tube is simultaneously closed off, take all-fresh air operational mode.
The return air inlet of the present embodiment is mounted on indoor eminence, and probably 3 meters away from ground or so.The size and number of return air inlet
It is that the specified time Wind Coverage Calculation according to required for a unit obtains, is responsible for being held in region according to a dry coils unit
The sensible heat load and supply air temperature difference of load can be calculated the air output of the unit, and return air amount is equal to the air output of unit, return air inlet ruler
Very little and quantity can be calculated according to controlled wind speed method.According to indoor dehumidifying and personnel's fresh air volume demand, solution tune can be calculated
The fresh air volume of wet unit, air output+fresh air volume=indoor with supply unit 2 air output of dry coils unit, divided by single air-supply
The number of air supply device 2 can be obtained in the nominal air delivery of device 2.
The dry coils air-conditioner set 4 of the present embodiment is similar with conventional air-conditioning unit, and difference is supply water temperature and heat exchanger
Structure type it is different.Air-conditioner set is a kind of airhandling equipment assembled by various air-treatment function sections.
Unit air-treatment function section has: air mixing, flow, filter, it is cooling, primary and secondary heat, dry, humidifying, pressure fan,
The cell cubes such as return fan, water spray, noise elimination, recuperation of heat.Classify by structural shape, horizontal, vertical and ceiling mounting type etc. can be divided into.
In the present embodiment, preferably radiant coil 1 is arranged between floor and base 13, and the top of base 13 is equipped with heat preservation
Layer 14, radiant coil 1 is located at the upper surface of insulating layer 14, and Concrete Filled layer is equipped between insulating layer 14 and the lower surface on floor
15.Coiled radiation floor is constituted between base 13, insulating layer 14, radiant coil 1, Concrete Filled layer 15 and floor.Separately
Outside, there can also be one layer of cement mortar screeding layer between Concrete Filled layer 15 and floor.Radiant coil 1 is directly cast in tall and big
In the mattess or floor in space, tubing uses crosslinked polyethylene pipe PE-Xa, PE-Xc with oxidation prevention layer or heat-fusible company
The polybutene PB pipe connect, use condition grade use 4 grades, and coil pipe is arranged using inflection type, and outer diameter tube D is 25mm, wall thickness e choosing
It is selected as: PE-X e >=2.3mm；PB e≥2.0mm；Flooring radiation point, water collector are using machining accessory, instrument and heat-insulating integral
Change self-contained type, must not on-site consolidation, each product should completely be detected before factory.The floor coil pipe in each circuit is answered
Using whole, the coil pipe for having disconnecting must not be used to radiate.Radiant coil 1 arranges that radiant coil 1 includes at least one using inflection type
A circulation loop, each circulation loop are connect by water collector with main back liquid pipeline, and each circulation loop passes through water segregator and master
Feed liquid pipeline connection.
In the present embodiment, air supply device 2 is mounted on the ground of large space, and air exhausting device is located at the top of large space
Portion constitutes air supply device 2, air exhausting device and blows under displaced type.The present embodiment passes through under coiled radiation floor and displaced type
The combination of air supply mode.Solution humidifying air-conditioner set 3 handles outdoor fresh air to suitable temperature and humidity, dry coils air-conditioning
By indoor return air or outdoor fresh air processing to corresponding temperature, mixed air is led to unit 4 using displaced type underfloor air distribution
It crosses displaced type air supply device 2 and is sent into each load concentrated area.Coiled radiation floor undertakes basic sensible heat load, and dry coils are empty
Unit 4 is adjusted to undertake remaining sensible heat load.
The dry coils air-conditioner set 4 of the present embodiment is mounted in Air Conditioning Facilities 300, and landing installation, unit is placed on flat
On whole pedestal, pedestal can be cast or channel steel is welded for concrete, and surface of base answers levelling troweling when installation.It is bolted, and
The modes such as resilient cushion or damping spring of cooperation.Dry coils air-conditioner set 4 is with air quantity is big, noise is small, structure is simple, installation position
The advantages that setting flexible, amphidromic wet structure.
By in large space people and device height limited, it is only necessary to the 1.8m-2.5m model on large space ground
Interior formation control zone is enclosed, guarantees the temperature of control zone in reasonable range.The air supply device 2 of the present embodiment is mounted on height
On the ground of large space, the purpose is to: in cooling season, the cold air that air supply device 2 will be less than indoor air temperature is sent into room
It is interior, density of the cold air of feeding because of density greater than surrounding air, therefore on the cold air natural subsidence to ground being sent into, pass through
The air output for controlling air supply device 2 makes the cold air being sent into be diffused into control zone, to guarantee that control zone reaches people and equipment institute
The temperature value needed.In heating season, the hot-air that air supply device 2 will be above indoor air temperature is sent into indoor, the heat sky of feeding
Gas first passes through occupied zone, by the air output of control air supply device 2, the hot-air being sent into is made to be diffused into control zone, thus
Guarantee temperature value needed for control zone reaches people and equipment.
It should be noted that the high reason of air conditioning terminal system operation energy consumption traditional in large space is: firstly, air-conditioning
The increase of system installed capacity will certainly bring the increase of operation energy consumption and expense.Second, using large-scale air circulation side
Formula carries out heat and wet treatment, and the operation energy consumption and expense of air circulation power-equipment increase considerably.Third, all-air air conditioning system
In, using air as the indoor hot humidity load of mordanting, since the specific heat capacity of air is smaller, conveying energy consumption is about using water as medium
4~5 times or so of air-conditioning system.4th, when all-air air conditioning system summer cooling, the chilled water pump pact that refrigeration mechanism is standby
7 DEG C of cold water is delivered in the surface air cooler of air-conditioner set, completes the heat and wet treatment to air by surface air cooler.In order to meet dehumidifying
Demand, the supply water temperature of cold water is usually at 7 DEG C or so.If but only carrying out excluding the process of waste heat, it is only necessary to temperature 15
~18 DEG C or so of cold source can meet demand, the heat that originally can be drained using high temperature cold source but shares 7o with dehumidifying together
The low temperature cold source of C or so is handled, and the waste in energy utilization grade is caused, and the utilization and refrigeration for limiting natural cooling source are set
The raising of standby efficiency.
And the low mechanism of the novel air conditioning system operation energy consumption of the present embodiment is: firstly, air-conditioning system place capacity is big
Amplitude reduction, the result that directly operation energy consumption and expense can be brought to be greatly lowered.Second, it is only living to control zone personnel near the ground
Dynamic area carries out heat and wet treatment, and air-conditioning system air quantity significantly reduces, and the operation energy consumption and expense of air circulation power-equipment are substantially
Degree reduces.Third due to using the coil pipe radiation floor of large area, and carries out the defeated of cold and hot amount by medium of water in coil pipe
It send, since the specific heat capacity of water is larger, conveying energy consumption is only using air as 20%~30% or so of the air-conditioning system of medium.4th,
Replace the mode of traditional dehumidification by condensation in such a way that solution humidifying air-conditioner set 3 dehumidifies to fresh air and undertakes indoor
Whole latent heat loads, other equipment only need sensible heat load in process chamber to account for about total load 50%~70%, so that directly benefit
It is possibly realized with free natural cold source, even if the efficiency of refrigeration machine can also improve about 30% or more, refrigeration machine using electricity refrigeration
The raising of efficiency further reduced the operation energy consumption and expense of system.
Embodiment 2:
In general, the thermal comfort of evaluation indoor environment needs to comprehensively consider following factor: air themperature, air humidity, sky
Gas velocity, mean radiant temperature, human body oneself factor (metabolic rate and clothes dress) etc., when references object is fixed, room
The thermal comfort of interior environment is only related with air themperature, air humidity, air velocity, this four factors of mean radiant temperature.Entirely
The air movement mechanism of air mixed ventilation is inertia force effect, makes room air dilution mixing by inertia force, with building
Based on the interior space, heat and wet treatment is carried out to indoor environment on the whole.It is determined, is being freezed by full air mixed ventilation mechanism
Season, Heating Season and conditioning in Transition Season, indoor thermal comfort are undesirable.
In addition, the pollutant kind for influencing indoor air quality is various, including carbon dioxide, dust particles, formaldehyde, nitrogen oxygen
Compound, fungi, bacterium, virus, dust mite etc..Carry out control room mainly by introduction outdoor fresh air in full air mixed ventilation air-conditioning system
The concentration of interior pollutants in air, but fresh air is mixed into post-processing with return air in air-conditioner set, fresh air does not enter interior
Preceding cleanliness substantially reduces, and then sends out from 3.5~7.0 meters away from ground or higher height, make interior space top pollutant to
Lower diffusion, seriously affects the air quality in personnel activity region, this is because blending caused by air supply mode.Furthermore it is conventional
Full air mixed ventilation air-conditioning system is dehumidified using the method for condensation, thus there are a large amount of moist surfaces, these are moist
Surface becomes the excellent place that the pollutants such as bacterium, mould, virus breed and breed, serious to affect indoor air quality.
Embodiment 1 solve the problems, such as existing air conditioning terminal system operation energy consumption it is high this while, the present embodiment also solves
The bad problem of air quality in large space.Difference from example 1 is that the air-conditioning end of the present embodiment
System further includes solution humidifying air-conditioner set 3.
On the basis of embodiment 1, outdoor air is processed into certain humidity and temperature by solution humidifying air-conditioner set 3
Fresh air, air supply device 2 is also used to convey fresh air into large space, and the fresh air and the second air-conditioning equipment are defeated
Cold air or hot-air out is sent into large space after collecting by air supply device 2, so that fresh air is spread in control zone,
Improve the air quality of control zone.
It is preferred that the second air-conditioning equipment, solution humidifying air-conditioner set 3, air supply device 2 are connected to by pipe network, fresh air and the
The cold air or hot-air of two air-conditioning equipments output collect in pipe network, and pass through pipe network transmission & distribution to air supply device 2.It is preferred that blowing
Device 2 be it is multiple, multiple air supply devices 2 are installed in the bottom of large space, the second air-conditioning equipment and solution humidifying air conditioner
Group 3 is connected to each air supply device 2 respectively.
In cooling season, hot humid fresh air is after the total heat recovery unit of solution humidifying air-conditioner set 3, Dehumidifying element
Become low temperature drying fresh air, is sent out after being mixed with cold air from air supply device；Alternatively, hot humid fresh air is empty by solution humidifying
Become low temperature drying fresh air after adjusting the pre-cooling unit of unit 3, Dehumidifying element, from air supply device submitting after mix with cold air.
In the present embodiment, the fresh air handled through solution humidifying air-conditioner set 3 undertakes indoor whole latent heat loads and part is aobvious
Thermic load.Using having the solution of moisture pick-up properties as hygroscopic material, solution directly contacts solution humidifying air-conditioner set 3 with air
Heat and mass transfer process is carried out, set of device can meet the needs of dehumidifying and humidification simultaneously, and solution there can be air
The purification of effect removes the harmful substances such as bacterium, mould, the dust in air.Solution humidifying air-conditioner set 3 is by hot humid fresh air
The working principle for becoming low temperature drying fresh air is: solution humidifying air-conditioner set 3 is using the solution with moisture pick-up properties as moisture absorption
Material, such as lithium-bromide solution, lithium chloride solution.The steam partial pressure of air processed and the surface vapor pressure of hygroscopic solution
Between pressure difference be moisture transmitting driving force, thus solution surface vapour pressure is lower, in the same circumstances, the dehumidifying energy of solution
Power is stronger, the attainable humidity water capacity of air institute processed is lower.The concentration of solution reduces after dehumidification process, dehumidify energy
Power decline also needs to carry out concentrating regenerative to hygroscopic solution in order to be recycled.Dehumidifying element and regeneration unit are molten
The core component of liquid dehumidified air processing unit, solution directly contacts with air and carries out heat and mass in dehumidifying/regenerating unit
Process.In Dehumidifying element, moisture passes to solution from air, and air is dehumidified, solution is diluted；Regeneration is dehumidification process
Inverse process, air is humidified, solution is concentrated regeneration.The heat and mass effect of dehumidifier and regenerator directly affects entire solution
The performance of conditioned air processing unit.
In heating season, low temperature drying fresh air passes through the total heat recovery unit of solution humidifying air-conditioner set 3, humidifying unit
Become warm and moist fresh air, sent out after being mixed with hot-air from air supply device, alternatively, low temperature drying fresh air is empty by solution humidifying
It adjusts the preheating unit of unit 3, humidifying unit to become warm and moist fresh air, is sent out after being mixed with hot-air from air supply device.
In the present embodiment, low temperature drying fresh air is become the working principle of warm and moist fresh air by solution humidifying air-conditioner set 3
Be: similar with summer treatment process, summer is the fresh air of low temperature drying to be sent into interior, and the regeneration air of hot humid is arranged
Out, winter is then that the air of hot humid is sent into interior.
In actual use, solution humidifying air-conditioner set 3 is arranged in Air Conditioning Facilities 300, and Air Conditioning Facilities 300 are highly suggested
Not less than 3.3 meters, 0 DEG C ~ 45 DEG C of temperature, relative humidity less than 85%, landing installation, the installation of solution humidifying air-conditioner set 3 and often
Rule air-conditioner set mounting means is similar, and unit is placed on smooth pedestal, and pedestal can cast for concrete or channel steel is welded, peace
Surface of base answers levelling troweling when dress.It is bolted, and cooperates the modes such as resilient cushion or damping spring.
The novel air conditioning system of the present embodiment can increase substantially the indoor thermal comfort in large space, this is because:
The combination of coiled radiation floor and displaced type underfloor air distribution is, it can be achieved that good layering effect and segment space control
Purpose is realized to the Effective Regulation of control zone occupied zone thermal and humidity environment near the ground, control zone can be avoided to greatest extent close
Temperature and humidity is unevenly distributed in ground staff behaviour area, and wind speed is bigger than normal, and blowing feeling is strong, and the higher heat radiation of summer sendible temperature causes
Many uncomfortable factors such as lead to the relatively low cold emission of winter sendible temperature.
The novel air conditioning system of the present embodiment can increase substantially the air quality in large space, this is because: installation
Processed fresh air is sent by air supply device on the ground by indoor bottom section, and indoor room is risen to after human body
Top, fresh air reach the mechanism of indoor top soiled areas and the conjunction of its air current composition flowing after first passing through personnel respiratory region
Rationality makes office work area personnel under equal conditions, can obtain higher-quality Interior Space than full air mixed ventilation way
Gas quality.Moreover, solution humidifying air-conditioner set 3 is using having the solution of moisture pick-up properties as hygroscopic material, solution is straight with air
Contact, can effectively purify air, and the harmful substances such as bacterium, mould, the dust in air are removed.Due to solution
Damping air-conditioner set 3 undertakes indoor whole latent heat loads, and other equipment only undertake indoor sensible heat load, tide is not present in system
Wet structure, has further prevented the growth of harmful substance, and air quality is splendid.
In novel air conditioning system principle as shown in Figure 1,4 be dry coils air-conditioner set, and 3 be solution humidifying air conditioner
Group, dry coils air-conditioner set 4 and solution humidifying air-conditioner set 3 treated air by the air hose among branch wind pipe 4 and 3,
Arrow illustrates respective airflow direction to be finally pooled in main air hose, and two strands of air mix in main air hose, finally by displacement
Formula air outlet is sent into indoor.That is: outlet air of the outlet air end of solution humidifying air-conditioner set 3 equipped with the first branch pipe, the second air-conditioning equipment
The main air hose that end is equipped with the second branch pipe, is connected to air supply device 2, the first branch pipe and the second branch pipe are connected to main air hose respectively, make
The fresh air obtained in the first branch pipe collects in main air hose with the air in the second branch pipe.
Embodiment 3:
Dry coils air-conditioner set 4 is the equipment exclusively for adapting to humiture independence control air conditioner system and developing, and is had
The advantages that air quantity is big, noise is small, structure is simple, installation site is flexible, amphidromic wet structure.The present embodiment emphasis illustrates that temperature and humidity is only
Vertical control air-conditioning system.Dry coils air-conditioner set 4 is similar with conventional air-conditioning unit, and difference is cold water supply water temperature and heat exchanger
Structure type it is different.Air-conditioner set is a kind of airhandling equipment assembled by various air-treatment function sections.
Unit air-treatment function section has: air mixing, flow, filter, it is cooling, primary and secondary heat, dry, humidifying, pressure fan,
The cell cubes such as return fan, water spray, noise elimination, recuperation of heat.Classify by structural shape, horizontal, vertical and ceiling mounting type etc. can be divided into.
Wind to be cooled or hot wind to be added needed for dry coils air-conditioner set 4 from indoor return air, it may be noted that fresh air with
Indoor return air does not mix in dry coils air-conditioner set 4, and refrigeration season and Heating Season only have indoor return air to enter dry coils sky
Unit 4 is adjusted, the valve of fresh wind tube is to close in the unit at this time.When conditioning in Transition Season, the new air-valve in the unit is opened, and same
When close air returning valve, take all-fresh air operational mode.The return air inlet of the present embodiment is mounted on indoor eminence, and probably 3 meters away from ground
Left and right.The size and number of return air inlet are that the specified time Wind Coverage Calculation according to required for a unit obtains, dry according to one
Formula coil pipe unit is responsible for the sensible heat load undertaken in region and supply air temperature difference can be calculated the air output of the unit, return air amount etc.
In the air output of unit, return air inlet size and number can be calculated according to controlled wind speed method.It is new according to indoor dehumidifying and personnel
Air quantity demand can be calculated the fresh air volume of solution humidifying unit, air output+fresh air volume=interior air-supply dress of dry coils unit
The number of air supply device 2 can be obtained divided by the nominal air delivery of single air supply device 2 for the air output for setting 2.
Within air-conditioning systems, sensible heat load heat extraction accounts for about the 50 ~ 70% of total load, and latent heat load hydrofuge accounts for about total load
30 ~ 50%.Since by the way of heat and mass coupling processing, in order to meet dehumidification, sink temperature is by room air dew point
The limitation of temperature, usually at 5 ~ 7 °C, and if only carry out excluding the process of waste heat, it is only necessary to temperature is 15 ~ 18 °C or so cold
It source can meet demand.More than half sensible heat load part of total load is accounted for, the heat that originally can drain using high temperature cold source
But the low temperature cold source for sharing 5 ~ 7oC together with dehumidifying is handled, and causes the waste in energy utilization grade, it is cold to limit nature
The utilization in source and the raising of refrigeration equipment efficiency.
In summer, air-conditioning system, which carries, excludes indoor waste heat, remaining wet, carbon dioxide, peculiar smell and other pernicious gases
Task.Wherein:
Excluding waste heat can be realized using various ways, as long as cooling effect can be realized lower than room temperature in the temperature of medium,
Can by the way of mediate contact radiation tail end etc., and can be replaced and be realized by the flowing of Cryogenic air.
Excluding remaining wet task, excluding carbon dioxide, foreign flavor indoors and other pernicious gases for task, cannot by
The mode of contact, and can only be realized by the displacement mass exchange of the air and space air of low humidity or low concentration.
Wet task is consistent with fresh air volume required for exclusion carbon dioxide, peculiar smell and variation tendency more than exclusion interior, i.e.,
The requirement of wet exhaust, carbon dioxide and peculiar smell can be met simultaneously by fresh air, and the excluding indoor waste heat of the task then passes through it
The independent temperature control mode of his system is realized.Due to the task without undertaking dehumidifying, thus the cold source of higher temperature can be used
The control task for excluding waste heat can be realized.
In winter, air-conditioning system carry improve indoor air temperature, humidification room air, carbon dioxide, peculiar smell and its
The task of its pernicious gas.Wherein:
Improving indoor air temperature can be realized using various ways, be taken as long as the temperature of medium can be realized higher than room temperature
Warm effect, can using mediate contact by the way of radiation tail end etc., and can be realized by the flowing of high temperature air displacement.
It humidifies the task of room air, exclude the task of carbon dioxide, foreign flavor indoors and other pernicious gases, cannot lead to
The mode of mediate contact is crossed, and can only be realized by the displacement mass exchange of warm, wet air and space air.
The humidifying room air of the task is consistent with fresh air volume required for exclusion carbon dioxide, peculiar smell and variation tendency, i.e.,
The requirement of humidification room air, carbon dioxide and peculiar smell can be met simultaneously by fresh air, and improve the task of room temperature then
It is realized by the independent temperature control mode of other systems.
In humiture independence control air conditioner system, using temperature and two sets of independent air-conditioning systems of humidity, control respectively,
Indoor temperature and humidity are adjusted, humiture independence control air conditioner system basic composition is: temperature controlled system and humidity
The system of control, two systems are separately adjustable to control indoor temperature and humidity respectively.
Temperature control system, including high temperature cold source, waste heat eliminate end equipment, recommend using water or refrigerant as conveying
Medium does not have to air as conveying medium to reduce distributing system operation energy consumption as far as possible.Since the task of dehumidifying is by independent wet
Degree control system undertakes, thus the cold water supply water temperature of sensible heat system is no longer the 7oC in conventional condensation dehumidifier/air-conditioning system, and
It can be improved to 16 ~ 18oC, so that the use for natural cold source provides condition, even if using mechanical refrigeration mode, refrigeration machine
The coefficient of performance be also greatly improved.Waste heat eliminates end equipment can be using diversified forms such as radiation tail ends, due to supplying
The temperature of water is higher than the dew-point temperature of room air, because the danger of moisture condensation may be not present.
Humidity control system, while removal indoor carbon dioxide, peculiar smell are undertaken, to guarantee the task of indoor air quality.
This system is made of Fresh air handing unit, the supply terminal device of dehumidification function, the medium conveyed using fresh air as energy, and
The adjusting to humidity and carbon dioxide is realized by changing air output.Due to fresh air volume merely to meeting fresh air and humidity
It is required that the air quantity of humiture independence control air conditioner system, much smaller than the air quantity of all-air system.
Humiture independence control air conditioner system by during indoor heat extraction hydrofuge heat extraction and hydrofuge process separately handle, keep away
Loss brought by the wet Combined Treatment of heat in conventional air conditioning system is exempted from.Moreover, because using independent controlling and regulating system point
Other treatment temperature, humidity can satisfy the continually changing requirement of room heat moisture ratio, overcome in conventional air conditioning system and be difficult to simultaneously
The requirement for meeting epidemic disaster parameter avoids the too high or too low phenomenon of indoor humidity.
The present embodiment also discloses the setting position of Air Conditioning Facilities 300, and Air Conditioning Facilities 300 are located at locating for indoor air-supply end
Underground, main air supply tube are blown in nearest junction chamber end upwards, and smoothly, and initial cost is also smaller for air-flow ratio, still
Without being limited thereto, the setting position of Air Conditioning Facilities 300 can be with flexible choice.In actual use, it can select according to the actual situation
The setting position of Air Conditioning Facilities.Such as: set the ground of radiant coil 1 inside as two layers of ground, and Air Conditioning Facilities 300 are located at one
Layer.For another example: Air Conditioning Facilities 300 are located underground.Even if Air Conditioning Facilities 300 are located outside underground, fresh air can also be passed through
Well takes fresh air, does not influence the use of solution humidifying air-conditioner set and dry coils air-conditioner set.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of novel air-conditioning system, which is characterized in that set including the first air-conditioning equipment, the second air-conditioning equipment, air conditioning terminal
Standby, which includes: radiant coil (1), the air supply device of conveying cold air or hot-air into large space
(2), the air exhausting device being mounted at the top of large space；
The radiant coil (1) is embedded in inside the ground of large space, and first air-conditioning equipment is connected to radiant coil, institute
Stating circulation in radiant coil (1) has the liquid mediums flowed out from the first air-conditioning equipment, and the energy of the liquid mediums is first transmitted to ground
Face, then by ground radiation energy into large space, to adjust the temperature of large space；
The air supply device (2) is mounted on the bottom of large space, and the air supply device (2) is connected to the second air-conditioning equipment, should
The cold air that second air-conditioning equipment exports or hot-air are diffused to the bottom of entire large space by air supply device (2), are made
The air for obtaining large space itself rises under the cold air or hot air acting and is discharged from air exhausting device.
2. novel air-conditioning system according to claim 1, which is characterized in that further include new outside large space for handling
The solution humidifying air-conditioner set (3) of wind, the solution humidifying air-conditioner set (3) are also used to convey fresh sky into large space
Gas, which is sent into large space by air supply device (2), so that fresh air is risen to by the bottom of large space
Top.
3. novel air-conditioning system according to claim 2, which is characterized in that second air-conditioning equipment, solution humidifying are empty
Unit (3), air supply device (2) are adjusted to be connected to by pipe network, the cold air or heat of the fresh air and the output of the second air-conditioning equipment
Air collects in pipe network, and passes through pipe network transmission & distribution to air supply device (2).
4. the novel air-conditioning system according to Claims 2 or 3, which is characterized in that the air supply device (2) be it is multiple, it is more
A air supply device (2) is installed in the bottom of large space, and the second air-conditioning equipment and solution humidifying air-conditioner set (3) are respectively and often
A air supply device (2) connection.
5. the novel air-conditioning system according to Claims 2 or 3, which is characterized in that the air intake of second air-conditioning equipment
Equipped with backwind tube and fresh wind tube, backwind tube is equipped with return air valve, and fresh wind tube is equipped with fresh air valve, the return air valve and new
Air valve is opened in a manner of selecting one, and to realize, return air or large space outside fresh air are transported in a manner of selecting one inside large space
Second air-conditioning equipment.
6. novel air-conditioning system according to claim 5, which is characterized in that the top of the backwind tube is equipped with return air inlet,
The return air inlet is away from 2.5 m -4m of ground.
7. according to claim 1, any one of the 2 or 3 novel air-conditioning system, which is characterized in that the air supply device (2) sets
It sets on the floor in large space.
8. novel air-conditioning system according to claim 1, which is characterized in that the radiant coil (1) is more, more spokes
It is in parallel embedded to penetrate coil pipe (1), and every radiant coil (1) is all made of the distribution of inflection shape.
9. novel air-conditioning system according to claim 2, which is characterized in that the solution humidifying air-conditioner set (3) goes out
Wind end is equipped with the first branch pipe, and the outlet air end of second air-conditioning equipment is equipped with the second branch pipe, the air intake of the air supply device (2)
Equipped with main air hose, first branch pipe and the second branch pipe are connected to main air hose respectively so that the fresh air in the first branch pipe with
Cold air or hot-air in second branch pipe collect in main air hose.
10. novel air-conditioning system according to claim 1, which is characterized in that second air-conditioning equipment is dry coils
Air-conditioner set, which includes dry coils, and the dry coils are arranged in parallel with radiant coil (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821365842.7U CN208920422U (en) | 2018-08-23 | 2018-08-23 | A kind of novel air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821365842.7U CN208920422U (en) | 2018-08-23 | 2018-08-23 | A kind of novel air-conditioning system |
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| CN208920422U true CN208920422U (en) | 2019-05-31 |
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ID=66703941
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| CN201821365842.7U Active CN208920422U (en) | 2018-08-23 | 2018-08-23 | A kind of novel air-conditioning system |
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| Country | Link |
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2018
- 2018-08-23 CN CN201821365842.7U patent/CN208920422U/en active Active
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