CN109696063A - A kind of rotating disc type thin film evaporation cooling tower - Google Patents
A kind of rotating disc type thin film evaporation cooling tower Download PDFInfo
- Publication number
- CN109696063A CN109696063A CN201811623590.8A CN201811623590A CN109696063A CN 109696063 A CN109696063 A CN 109696063A CN 201811623590 A CN201811623590 A CN 201811623590A CN 109696063 A CN109696063 A CN 109696063A
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- China
- Prior art keywords
- heat
- blade
- thin film
- liquid
- film evaporation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The present invention relates to a kind of rotating disc type thin film evaporation cooling towers, it is characterized in that, including the heat accumulating element by driving device driving rotation, the top half of heat accumulating element is located in cooler environment, it is immersed in the liquid that need to cool down the lower half portion of heat accumulating element, the environment temperature of cooler environment is lower than the fluid temperature for the liquid that need to cool down, after heat accumulating element rotation, the top half of heat accumulating element and lower half portion alternately carry out forced-convection heat transfer with liquid, absorb the heat of liquid, simultaneously, the lower half portion of heat accumulating element with liquid and top half alternately carry out thin film evaporation heat exchange with cooler environment, the heat of absorption is discharged.The present invention achievees the purpose that finally to reduce circulating water temperature by heat exchange twice.
Description
Technical field
The present invention relates to a kind of open cooling tower more particularly to a kind of rotating disc type thin film evaporation cooling towers.
Background technique
A large amount of waste heat, which can be generated, in industry or civil field to be emitted into external environment, usually with recirculated cooling water
The system for first going cooling that need to cool down as element takes away its heat, and own temperature increases, then is dropped recirculated cooling water by cooling tower
Temperature recycling.Cooling tower is a kind of device that water is cooling, and water is wherein carrying out heat exchange, matter with the outside air flowed through
Exchange, causes water temperature drop, is the common work of one kind, civil equipment.
Cooling tower type is more, has cooling stack, mechanical-draft cooling tower by draft type point；By thermal medium and
The way of contact of air point has closed cooling tower, open cooling tower.In some cases, thermal medium not necessarily water, when design not
It can be contacted with air or water-deficient area, generally use closed cooling tower.It is other in most cases, it is all cooling using open type
Tower.
Open cooling tower principle is: the air of the dry low enthalpy value in the external world is after the twitch of blower (or gravity-flow ventilation), certainly
Air inlet enters in cooling tower, while the water of damp and hot high enthalpy is spilled into tower from water distribution system.When water droplet and air contact, steam
The big high temperature hydrone of the partial pressure of vapor air flowing low to pressure, on the one hand due to the direct heat transfer of air and water, another party
Face generates Evaporation Phenomenon since there are pressure differences between water vapour surface and air under the effect of the pressure, by the heat in water
I.e. evaporation heat transfer is taken away, to reach the purpose of cooling.For the contact area for increasing air and water droplet, it is equipped in cooling tower and fills out
Material.
Cooling tower is in the nature a kind of heat exchanger, cooling tower described in the patent application No. is 201510396162.6,
Substantially regenerative heat-exchange is utilization of the rotary regenerative air heater on station boiler in cooling water field, unlike, on boiler
Rotary regenerative air heater heat cold wind is finally passed to by heat accumulating element by hot wind, and application No. is 201510396162.6
Patent passes to cold wind for heat recirculated water and passes through heat accumulating element.
Rotary regenerative air heater, which is hot air heat exchange first, exchanges heat heat to cold wind to heat accumulating element, then by heat accumulating element, and two
The close about 30~60w/m of the heat transfer coefficient of secondary heat exchange2DEG C, therefore implement relatively simple in gas-gas heat transfer form.And
It is liquid-gas heat transfer form in field of cooling tower, " is not with the latent heat of vaporization described in the patent application No. is 201510396162.6
Take away the heat cooling circulating water of recirculated water ", " recirculated water can be closed " although etc. known to heat recirculated water deliver heat to accumulation of heat member
2000~4000w/m of part heat transfer coefficient2DEG C, but the heat transfer coefficient of heat accumulating element and cold wind only has 30~60w/m2DEG C, change twice
The heat-transfer capability difference of heat is huge, although this recirculated water for allowing for heat is easy to impart heat to heat accumulating element, but accumulation of heat member
Part is difficult heat to be again passed to extraneous cold wind, implements more difficult.
Traditional rotary regenerative air heater heat accumulating element is choppiness folded plate, and windage is larger, in addition water-gas two sides heat transfer coefficient phase
Difference is larger, is difficult to be suitable for field of cooling tower.
Summary of the invention
The technical problem to be solved by the present invention is traditional open cooling tower, water or other need temperature-reducing medium directly and air
Contact heat-exchanging only reaches cooling purpose by once heat exchange, and solves kind of the conventional rotary type regenerative heat exchanger in field of cooling tower
Kind drawback.
In order to solve the above-mentioned technical problem, it is cooling that the technical solution of the present invention is to provide a kind of rotating disc type thin film evaporations
Tower, which is characterized in that including the heat accumulating element by driving device driving rotation, the top half of heat accumulating element is located at cooler environment
In, the lower half portion of heat accumulating element is immersed in the liquid that need to cool down, and the environment temperature of cooler environment is lower than the liquid that need to cool down
Fluid temperature, after heat accumulating element rotation, the top half of heat accumulating element and lower half portion alternately carry out forced convertion with liquid
Heat exchange, absorbs the heat of liquid, meanwhile, the lower half portion of the heat accumulating element with liquid and top half alternately with cooling ring
Border carries out thin film evaporation heat exchange, and the heat of absorption is discharged.
Preferably, the heat accumulating element includes by the turntable of driving device driving rotation, and turntable top half is located at
In the cooler environment, turntable lower half portion is immersed in the liquid that need to cool down.
Preferably, the turntable includes the main shaft being linked with the driving device, is equipped with N piece blade on main shaft, and N >=
1, the top half of blade is located in the cooler environment, and turntable lower half portion is immersed in the liquid that need to cool down, described
Driving device is rotated via main shaft drives blade, in blade rotation process, blade top half and lower half portion alternately with liquid
Body carries out forced-convection heat transfer, absorbs the heat of liquid, meanwhile, blade lower half portion and top half alternately with cooler environment
Thin film evaporation heat exchange is carried out, the heat of absorption is discharged.
Preferably, the blade is the smooth thin plate in surface, or the thin plate for having different shape striped stupefied for surface rolling.
Preferably, the blade is made of the material with Thermal conductivity.
Preferably, there are straight channels between blade described in adjacent two panels.
Preferably, the stay bolt distance rod for ensuring to be formed the straight channel is equipped between blade described in adjacent two panels.
Preferably, it connect to form entirety with fixed bracket by stay bolt distance rod between all blades, fixed bracket
It is fixed on the main shaft.
Preferably, the liquid is contained in cooling trough, is equipped in cooling trough for being oriented to the dial movement direction
Turntable guide pad.
Preferably, the cooler environment, cold air air duct are formed by being connected to the cold air air duct of air inlet and air outlet
The interior spray water system being equipped with for carrying out spray moisturizing to the heat accumulating element.
The innovation of the invention consists in that:
(1) heat accumulating element and cold wind heat exchange are that thin film evaporation exchanges heat；Using the evaporation endothermic of liquid, heat transfer system is greatly improved
Number, heat transfer coefficient can achieve 800~1500w/m2DEG C, more preferably: the present invention is prevented equipped with auxiliary spray water system
Heat transfer deterioration；
(2) heat accumulating element is immersed in liquid (usually recirculated water), and heat accumulating element makees turnover movement, and liquid is relatively quiet
Only；And traditional rotary regenerative heat exchanger, heat accumulating element circumferentially rotate, heat transferring medium is also flowed along heat accumulating element；
(3) present invention further keeps relatively equidistant straight channel between heat accumulating element by spacing stay bolt, greatly reduces
Rotary regenerative heat exchanger ventilation resistance.
In conclusion a kind of rotating disc type thin film evaporation cooling tower provided by the invention is using indirect heat exchange mode, with
The rotation of heat accumulating element, heat accumulating element and liquid to be cooled generate relative motion, heat transfer type is by immersion free convection
Heat exchange becomes forced-convection heat transfer, is to exchange heat for the first time, heat passes to heat accumulating element by liquid.Heat accumulating element rotary liquid discharging
When face, heat accumulating element surface can adhere to a little liquid, this occur that wet heat accumulating element can in cold air air duct acutely
Thin film evaporation mass transfer, heat transfer, heat transfer efficiency is greatly improved, is to exchange heat for second, heat passes to environment by heat accumulating element
Cold air.By the way that heat exchange achievees the purpose that finally to reduce circulating water temperature twice above.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 and Fig. 3 is the structural schematic diagram of turntable shape one of the present invention；
Fig. 4 is the structural schematic diagram of turntable shape two of the present invention；
Fig. 5 is a kind of case study on implementation schematic diagram of the present invention；
Fig. 6 is blade another kind case study on implementation schematic diagram of the present invention.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
As shown in Figure 1, a kind of rotating disc type thin film evaporation cooling tower provided by the invention, including it is connected to circulating water inlet 6
With the cooling trough 2 of circulating water outlet pipe 5, there is recirculated cooling water to be cooled in cooling trough 2.Have above cooling trough 2 cold
Air channel 3, cold air air duct 3 are connected to air inlet 7 and air outlet 8, ventilation device 9, air outlet 8 are housed in cold air air duct 3
Equipped with water collection device 11.
The invention also includes turntable 1,1 lower part of turntable is immersed in the recirculated cooling water in cooling trough 2,1 top of turntable
It is placed in cold air air duct 3.Turntable 1 includes main shaft 101, and the blade 102 of many quantity is installed on main shaft 101.The one of main shaft 101
End is connected with driving device 4, for driving turntable 1 to rotate.In the present embodiment, driving device 4 includes motor and speed regulation device.
The connection of the input terminal of motor and speed regulation device, speed regulation device output end are connect with 101 one end of main shaft, provide power by motor
So that turntable 1 rotates, driving device 4 can drive and adjust the revolving speed of turntable 1.
As shown in Figures 2 and 3, blade 102 is a thin plate, and there is hole at thin plate center, convenient for blade 102 be through at main shaft 101 it
On.Thin plate can be the smooth plate in surface, can also be the plate that surface rolling has different shape striped stupefied.Blade 102 can
It to be made of stainless steel, can also be made, can also be made of the material of other good heat conductivities of aluminium alloy.Two panels blade
Stay bolt distance sink tube 104 is housed between 102, guarantees that there are straight channels between adjacent two panels blade 102.Stay bolt distance sink tube 104 connects
On fixed bracket 103, so that blade 102, stay bolt distance sink tube 104 and the fixed combination of bracket 103 form entirety.The fixed branch in both ends
Frame 103 is fixed on main shaft 101.The shape of blade 102 can be as shown in figure 3, also as shown in figure 4, can also be other
Shape.
Cooling trough 2 is provided with turntable guide pad, for guide blades cooling trough 2 the direction of motion.Recirculated water into
Equal water installations are housed along 101 length direction of main shaft on water pipe 6, guarantee recirculated water even into cooling trough 2.
Now illustrate implementation process of the present invention by taking the circulating cooling water of 500t/h as an example, as shown in Figure 1, the circulation of high temperature is cold
But water is entered in cooling trough 2 by circulating water inlet 6, is full of entire cooling trough 2.Liquid level is equal in cooling trough 2
5 height of circulating water outlet pipe, the overflow of the raised area nature are flowed out by circulating water outlet pipe 5.
When turntable 1 rotates, main shaft 101 is rotated with movable vane piece 102,102 low temperature side of blade in cold air air duct 3
Rotate into cooling trough 2 with high temperature circulation water heat convection, it is assumed that recirculated cooling water inflow temperature is 37 DEG C, ambient wet bulb temperature
28 DEG C of degree, 1 blade of turntable, 102 low temperature side temperature is about 30 DEG C, and the blade 102 of high temperature circulation water and low temperature carries out convection current and changes
Heat, heat transfer are increased to 32 DEG C by 30 DEG C to blade 102, blade 102, and high temperature circulation water is down to about 32 DEG C by 37 DEG C, reaches
The effect of cooling.
As turntable 1 continues to rotate, the blade 102 being immersed in water is rotated into cold air air duct 3, in rotary water-out
During face, 102 surface of blade keeps moisture state that can adhere to a little circulation simultaneously because 102 surface rolling of blade has ripple
Water.The blade 102 of high temperature enters with outside air direct contact heat transfer in cold air air duct 102, a little circulation of attachment on blade
Outside air in water and air duct carries out efficient thin film evaporation mass transfer, heat transfer.The heat that blade 102 stores is transmitted to extraneous sky
Gas, is reduced to about 30 DEG C, rotates into high temperature circulation water again by 32 DEG C when 102 temperature of high temperature blade is by the back-out water surface at this time
Middle progress periodical heat absorption, heat release.
Blade 102 often rotates a circle, and is exchanged heat twice, and the primary heat convection for recirculated water is temperature-rise period；One
Secondary is temperature-fall period to exchange heat with the thin film evaporation of outside air in cold air air duct 3, and blade 102 is only used as accumulation of heat member in itself
Part.In order to increase the heat transfer coefficient of heat transfer process twice, usually rolling has different shape striped on blade 102.Blade 102 is usual
Such as using the higher thin plate of heat transfer coefficient: aluminium alloy, stainless steel, not only heat transfer coefficient is high for these materials, and intensity and resistance to
Corrosivity is preferable, the usual 0.5mm~1mm of gauge of sheet, in order to enable blade 102 has enough heat storage capacities, blade sometimes
102 need to thicken.
The present invention is additionally provided with auxiliary spray water system 10,102 top of blade is placed in, under bad working environments, if blade 102 is thin
When film evaporates mass transfer, conducts heat poor, shower water supplement is carried out to blade 102, keeps 102 moisture state of blade, it is thin to form liquid
Film evaporation, improves heat transfer efficiency, this principle is similar with enclosed spray cooling tower.
About 4.18kj/kg. DEG C of the specific heat of water, if blade 102 uses the higher aluminium alloy of heat transfer coefficient, specific heat is about
0.9kj/kg. DEG C, the total weight of blade 102 only has 3 tons or so, and to the recirculated water of cooling 500t/h, turntable 1 must have centainly
Revolving speed be equivalent to the heat storage capacity of 9000t/h aluminium alloy as revolving speed 3000r/h (50r/min), fully meet cooling 500t/
The recirculated water heat-transfer capability of h.Higher revolving speed is kept simultaneously, blade 102 can also be cleaned.Therefore driving of the invention
Device 4 contains a motor and speed regulation device, adjusts optimized rotating speed according to different heat transfer mediums, operating condition, exchange capability of heat,
When for example, by using stainless steel material blade 102,30r/min can meet heat exchange demand.
In order to guarantee the rotation of turntable 1 without departing from reducing resistance, guide pad, fixed specific leaf can be housed in cooling trough 2
Piece 102 or fixed bracket 103 rotate in a plane.Therefore along 101 length direction of main shaft at interval of certain distance, blade
102 or fixed bracket 103 on matched guiding device is housed.
Spacing between blade 102 and blade 102 is chosen generally according to heat exchange area and air duct circulation area, usually
Between 5~20mm, to reduce ventilation speed, larger clearance may be selected；Blade 102 can be round or square plate.Work as equipment
Specified amount of cooling water generally uses square plate when larger, and a large amount of thin plate can be laid with staggered floor, since thin plate does not have intensity, these
102 surrounding of blade is surrounded by the fixed bracket 103 of steel construction, and blade 102 is fixed on fixed bracket 103 by stay bolt distance sink tube 104, such as
Shown in Fig. 4.It is direct current channel between blade 102, it is smaller compared to conventional filler cooling tower windage, while air outlet 8 is provided with receipts
Whether there is or not greatly reduce drift ice amount, save moisturizing when hydrophone 11-visually specifically designs.
Furthermore traditional cooling tower is to improve cooling effect, and packing area and rain belt need certain height, with the biography of 500t/h
It unites for cooling tower, about 4 meters of water inlet pipe height or more, in addition the pressure loss in pipeline, general 500t/h cooling tower needs to pump
Lift be 8 meters, and a kind of usually height of rotating disc type thin film evaporation cooling-tower circulating water water inlet pipe of the present invention 6 is only less than 1 meter,
Reduce the power consumption about 13KW of circulating cooling water pump.Therefore, although more 4 power consumptions of driving device of turntable 1 of the present invention, for entire
For recirculating cooling water system, 15% or more power consumption is still saved compared to traditional cooling tower.
Since there is no the packing area and rain belt of traditional open cooling tower, air inlet 7, air outlet 8, ventilation device 9 cloth
It sets more flexible.According to Design cooling load, the permission of live air draft condition, horizontal disengaging, air duct arrangement can be used, it can also be with
Using air-blast cooled draft type.It can be as shown in figure 5, positioned opposite or more turntable of two turntables 11 be in parallel, goes here and there
The arrangements such as connection, layering.Furthermore according to the arrangement of blade 102 difference, if axial arrangement, as shown in fig. 6, axis can be used
To air inlet/outlet mode.
Claims (10)
1. a kind of rotating disc type thin film evaporation cooling tower, which is characterized in that including the heat accumulating element by driving device driving rotation, store
The top half of thermal element is located in cooler environment, and the lower half portion of heat accumulating element is immersed in the liquid that need to cool down, cooling ring
The environment temperature in border is lower than the fluid temperature for the liquid that need to cool down, after heat accumulating element rotation, the top half and lower half of heat accumulating element
Part alternately carries out forced-convection heat transfer with liquid, absorbs the heat of liquid, meanwhile, the lower half of the heat accumulating element with liquid
Part alternately carries out thin film evaporation heat exchange with cooler environment with top half, and the heat of absorption is discharged.
2. a kind of rotating disc type thin film evaporation cooling tower as described in claim 1, which is characterized in that the heat accumulating element include by
The turntable of the driving device driving rotation, turntable top half are located in the cooler environment, and turntable lower half portion is immersed in
In the liquid that need to cool down.
3. a kind of rotating disc type thin film evaporation cooling tower as claimed in claim 2, which is characterized in that the turntable include with it is described
The main shaft that driving device is linked is equipped with N piece blade on main shaft, and the top half of N >=1, blade is located at the cooler environment
In, turntable lower half portion is immersed in the liquid that need to cool down, and the driving device is rotated via main shaft drives blade, blade
In rotation process, blade top half and lower half portion alternately carry out forced-convection heat transfer with liquid, absorb the heat of liquid,
Meanwhile blade lower half portion and top half alternately carry out thin film evaporation heat exchange with cooler environment, and the heat of absorption is discharged
It goes out.
4. a kind of rotating disc type thin film evaporation cooling tower as claimed in claim 3, which is characterized in that the blade is that surface is smooth
Thin plate, or the thin plate for having different shape striped stupefied for surface rolling.
5. a kind of rotating disc type thin film evaporation cooling tower as claimed in claim 3, which is characterized in that the blade is good by having
The material of heating conduction is made.
6. a kind of rotating disc type thin film evaporation cooling tower as claimed in claim 3, which is characterized in that blade described in adjacent two panels it
Between there are straight channels.
7. a kind of rotating disc type thin film evaporation cooling tower as claimed in claim 6, which is characterized in that blade described in adjacent two panels it
Between be equipped with stay bolt distance rod for ensuring to be formed the straight channel.
8. a kind of rotating disc type thin film evaporation cooling tower as claimed in claim 7, which is characterized in that lead between all blades
It crosses stay bolt distance rod to connect to form entirety with fixed bracket, fixed bracket is fixed on the main shaft.
9. a kind of rotating disc type thin film evaporation cooling tower as claimed in claim 2, which is characterized in that the liquid is contained in cooling water
The turntable guide pad for being oriented to the dial movement direction is equipped in slot, in cooling trough.
10. a kind of rotating disc type thin film evaporation cooling tower as described in claim 1, which is characterized in that by be connected to air inlet and
The cold air air duct of air outlet forms the cooler environment, is equipped in cold air air duct for spraying to the heat accumulating element
The spray water system of cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623590.8A CN109696063A (en) | 2018-12-28 | 2018-12-28 | A kind of rotating disc type thin film evaporation cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623590.8A CN109696063A (en) | 2018-12-28 | 2018-12-28 | A kind of rotating disc type thin film evaporation cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109696063A true CN109696063A (en) | 2019-04-30 |
Family
ID=66232347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811623590.8A Pending CN109696063A (en) | 2018-12-28 | 2018-12-28 | A kind of rotating disc type thin film evaporation cooling tower |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530193A (en) * | 2019-07-31 | 2019-12-03 | 朱玲燕 | A kind of new-type cooling tower turntable and its corollary system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275194A (en) * | 1997-09-19 | 2000-11-29 | 美国环境保护署 | Rotating disk evaporative cooler |
| CN101696835A (en) * | 2009-11-02 | 2010-04-21 | 北京航空航天大学 | Efficient combined-type evaporator-condenser |
| CN102849810A (en) * | 2012-09-03 | 2013-01-02 | 北京航空航天大学 | Novel combination type evaporation condenser |
| CN105180522A (en) * | 2015-10-20 | 2015-12-23 | 山东奥纳尔制冷科技有限公司 | Evaporative condenser |
-
2018
- 2018-12-28 CN CN201811623590.8A patent/CN109696063A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1275194A (en) * | 1997-09-19 | 2000-11-29 | 美国环境保护署 | Rotating disk evaporative cooler |
| CN101696835A (en) * | 2009-11-02 | 2010-04-21 | 北京航空航天大学 | Efficient combined-type evaporator-condenser |
| CN102849810A (en) * | 2012-09-03 | 2013-01-02 | 北京航空航天大学 | Novel combination type evaporation condenser |
| CN105180522A (en) * | 2015-10-20 | 2015-12-23 | 山东奥纳尔制冷科技有限公司 | Evaporative condenser |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530193A (en) * | 2019-07-31 | 2019-12-03 | 朱玲燕 | A kind of new-type cooling tower turntable and its corollary system |
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Application publication date: 20190430 |