CN108731503A - A kind of water saving closed cooling tower - Google Patents
A kind of water saving closed cooling tower Download PDFInfo
- Publication number
- CN108731503A CN108731503A CN201810859087.6A CN201810859087A CN108731503A CN 108731503 A CN108731503 A CN 108731503A CN 201810859087 A CN201810859087 A CN 201810859087A CN 108731503 A CN108731503 A CN 108731503A
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- CN
- China
- Prior art keywords
- water
- shell
- cooling
- cooling zone
- evaporator
- 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
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
Abstract
The invention discloses a kind of water saving closed cooling towers, it belongs to closed cooling tower technical field, including shell, the top of shell is equipped with wind turbine, evaporation cooling zone and air cooling zone are equipped in shell, it is equipped with water collection device between air cooling zone and evaporation cooling zone, is equipped with fin tube condenser in air cooling zone, fin tube condenser is connected with compressor and evaporator in turn by pipeline；It evaporates and is equipped with evaporation cooling coil in cooling zone, one end of evaporation cooling coil is connected with high temperature circulation water water inlet end, high temperature circulation water water inlet end passes through the evaporator, the top for evaporating cooling coil is equipped with water distributor, water distributor is equipped with several nozzles, the bottom of shell is equipped with collecting-tank, and one end of water distributor is connected to collecting-tank；The present invention can carry out high temperature circulation water preliminary cooling by evaporator, be then cooled down twice by transpiration-cooled mode, to effectively reduce the temperature of high temperature circulation water, and saved and used water.
Description
Technical field
The present invention relates to closed cooling tower technical fields, and in particular to a kind of water saving closed cooling tower.
Background technology
In recent years, China's water resource critical shortage, especially northwest arid area, water resource are more and more deficienter.In addition, water
Valence is also more and more expensive, and environmentally friendly requirement is also increasingly stringenter, this just needs us to research and develop more advanced water-saving cooling tower, can not only
Enough meet the temperature drop problem of system process, moreover it is possible to save a large amount of water.
Open type tower takes away heat as a kind of traditional cooling heat exchanger, mainly by sensible heat transfer and latent heat heat exchange, has
There is the advantages that summer good effect of heat exchange, processing water is big, but open type tower also has cycle water poor, blowdown flow rate is big, and water consumption is big
The shortcomings of, it especially in cold winter, is easy to freeze, serious influence is caused to the production safety operation of enterprise.
Enclosed tower is also a kind of good cooling heat exchanger, and latent heat heat exchange is mainly leaned on to take away heat, and enclosed tower
What is inside walked is soft water, the non-scaling in pipe, but the heat exchange area of enclosed tower is low compared with finned tube, and stop-spraying is unable in cold winter
Water drenching is run, it is also necessary to continue to consume shower water, just the target water-saving with winter contradicts for this.
Air cooler does not consume water, can achieve the purpose that it is water-saving, but during the broiling summer, by air directly to finned tube
Interior circulating water cooling cannot then meet the temperature drop requirement of recirculated water.
Invention content
For the problems of in the prior art, a kind of water saving closed cooling tower provided by the invention can be with
In conjunction with the advantages of evaporation cooling and air cooling, in summer high temperature, a certain amount of shower water can be sprayed, makes entirely to recycle
Water cooling system meets the temperature drop requirement of recirculated water；When temperature is relatively low in winter, stop spray system, it is cold to open air
But system makes air cooling system meet the temperature drop requirement of recirculated water；In season in spring and autumn, determined according to environment temperature and thermic load
The unlatching and stopping of shower water.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
The top of a kind of water saving closed cooling tower, including shell, the shell is equipped with wind turbine, is set in the shell
There are evaporation cooling zone and air cooling zone, the air cooling zone to be set to the top of the evaporation cooling zone, the air cooling
It is equipped with water collection device between area and the evaporation cooling zone to be isolated, fin tube condenser is equipped in the air cooling zone, it is described
Fin tube condenser is connected with compressor and evaporator, the fin tube condenser, the compressor and institute in turn by pipeline
It states evaporator and first circulation access is formed by pipeline, cooling working medium is filled in the first circulation access；The evaporation is cold
But evaporation cooling coil is equipped in area, one end of the evaporation cooling coil is connected with high temperature circulation water water inlet end, the evaporation
The other end of cooling coil is connected with recirculated water water outlet, and the high temperature circulation water water inlet end passes through the evaporator, the steaming
The top for sending out cooling coil is equipped with water distributor, and the water distributor is equipped with several nozzles, and the bottom of the shell is equipped with collecting-tank,
One end of the water distributor is connected to the collecting-tank, and the water distributor is equipped with feeding spraying pump, on the side wall of the shell, position
It is equipped with air feed shutter window at position between the collecting-tank and the evaporation cooling coil.
As a kind of perferred technical scheme, the compressor and the evaporator are set to the outside of the shell.
As a kind of perferred technical scheme, the first circulation access is equipped with throttle valve.
As a kind of perferred technical scheme, the cooling working medium is set as freon.
As a kind of perferred technical scheme, the first temperature is equipped on the shell, at the air feed shutter window to examine
Device is surveyed, second temperature detection device, first temperature-detecting device and described second are equipped at the recirculated water water outlet
Temperature-detecting device is respectively connected with controller, the controller respectively with the wind turbine, the feeding spraying pump and the compressor
Connection.
As a kind of perferred technical scheme, first temperature-detecting device and the second temperature detection device are all provided with
For electronic temperature transmitter.
As a kind of perferred technical scheme, the high temperature circulation water water inlet end is equipped with a plurality of heat exchange in the evaporator
Pipe.
Beneficial effects of the present invention are shown：
1, the present invention can carry out high temperature circulation water preliminary cooling by evaporator, then pass through transpiration-cooled side
Formula is cooled down twice, and to effectively reduce the temperature of high temperature circulation water, and has been saved and has been used water.
2, the present invention can be followed according to the temperature of external environment, the mode of the temperature drop of intelligent adjusting recirculated water in satisfaction
While the temperature drop of ring water requires, the consumption of the energy is preferably minimized, water is more saved, it is also more environmentally protective.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of water saving closed cooling tower of the present invention；
Fig. 2 is a kind of functional block diagram of water saving closed cooling tower of the present invention；
In figure：1- wind turbines, 2- fin tube condensers, 3- compressors, 4- evaporators, 5- throttle valves, 6- collecting-tanks, 7- controls
Device, 8- water collection devices, 9- feeding spraying pumps, 10- evaporations cooling coil, 11- water distributors, 12- air feed shutters window, 13- high temperature circulation waters
Water inlet end, 14- recirculated waters water outlet, the first temperature-detecting devices of 15-, 16- second temperature detection devices.
Specific implementation mode
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
As shown in Figure 1 and Figure 2, the present invention includes shell, and the top of shell is equipped with wind turbine 1, and wind turbine 1 is for driving in shell
The bottom-up flowing of air, improve heat exchange efficiency；It is equipped with evaporation cooling zone in shell and air cooling zone, air cooling zone are set
Top in evaporation cooling zone is equipped with water collection device 8 to be isolated between air cooling zone and evaporation cooling zone, water collection device 8 can incite somebody to action
Moisture collection in air prevents excessive moisture from being lost in vain by air flowing, using water wisely；It is set in air cooling zone
There are fin tube condenser 2, fin tube condenser 2 to be connected with compressor 3 and evaporator 4, fin tube condenser in turn by pipeline
2, compressor 3 and evaporator 4 form first circulation access by pipeline, and cooling working medium is filled in first circulation access, cooling
Working medium carries out heat exchange heat dissipation at fin tube condenser 2 with external air, at evaporator 4 with high temperature circulation water water inlet end
High-temperature water in 13 carries out heat exchange heat absorption, so as to discharge the heat of high-temperature water in air cooling zone, reduces high-temperature water
Temperature；Evaporate cooling zone in be equipped with evaporation cooling coil 10, evaporate cooling coil 10 one end be connected with high temperature circulation water into
The other end of water end (W.E.) 13, evaporation cooling coil 10 is connected with recirculated water water outlet 14, and high temperature circulation water water inlet end 13 passes through evaporation
Device 4, high temperature circulation water can tentatively be cooled down at evaporator 4, and the top of evaporation cooling coil 10 is equipped with water distributor 11, cloth
Water pipe 11 is equipped with several nozzles, and the cooling water that the nozzle on water distributor 11 sprays can be to the high temperature in evaporation cooling coil 10
Water, which is evaporated, to cool；The bottom of shell is equipped with collecting-tank 6, and one end of water distributor 11 is connected to collecting-tank 6, collecting-tank 6
The cooling water sprayed from the nozzle on water distributor 11 can be collected, water distributor 11 is equipped with feeding spraying pump 9, and feeding spraying pump 9 can
Cooling water in collecting-tank 6 is pushed to again on water distributor 11, realizes recycling for cooling water；On the side wall of shell, position
It is equipped with air feed shutter window 12 at position between collecting-tank 6 and evaporation cooling coil 10, air can be from air feed shutter window 12
Place enters in shell, improves heat exchange efficiency.
Wherein, compressor 3 and evaporator 4 are set to the outside of shell, are steamed convenient for passing through high temperature circulation water water inlet end 13
Device 4 is sent out, control and daily maintenance are also allowed for；First circulation access is equipped with throttle valve 5, can control the recycle stream of cooling working medium
Amount, to control the cooling-down effect of evaporator 4；On shell, it is located at air feed shutter window 12 equipped with the first temperature-detecting device 15,
First temperature-detecting device 15 is used to detect air themperature, and second temperature detection device 16 is equipped at recirculated water water outlet 14, the
Two temperature-detecting devices 16 are used to detect the temperature of the recirculated water after cooling；First temperature-detecting device 15 and second temperature detection
Device 16 is respectively connected with controller 7, and controller 7 is connect with wind turbine 1, feeding spraying pump 9 and compressor 3 respectively, and controller 7 can root
According to the temperature information of the recirculated water after air themperature information and cooling, control wind turbine 1, feeding spraying pump 9 and compressor 3 switch and
Working strength, under the premise of ensureing the temperature of recirculated water being reduced to reasonable temperature, reduce energy consumption；High temperature circulation water into
Water end (W.E.) 13 is equipped with a plurality of heat exchanger tube in evaporator 4, can be improved in high temperature circulation water and evaporator 4 by a plurality of heat exchanger tube
Heat exchange area between low temperature freon improves heat transfer effect.
The specific working mode of the present invention is as follows：
High temperature circulation water enters through high temperature circulation water water inlet end 13 inside evaporator 4, the pipe of high temperature circulation water water inlet end 13
Journey walks recirculated water, and the shell side of evaporator 4 walks cooling working medium freon, and freon evaporation becomes gas and takes away heat, by compressor 3
The gas that freon is become to high temperature and pressure, subsequently into fin tube condenser 2, by the lower wind of temperature in shell by wing
Freon condensation in piece pipework condensation device 2, condensed freon liquid enter evaporator 4 via throttle valve 5, and entrance is next
Heat exchange cycle；High temperature circulation water in evaporator 4 tentatively cool down after, entered in heat exchange coil through pipeline, water distributor 11 from
It is sprayed above heat exchange coil, the heat of high temperature circulation water is walked by the evaporator strip of water, realized reducing temperature twice, recycled after cooling
Water utilizes again via the outflow of recirculated water water outlet 14.Controller 7 can control the unlatching of feeding spraying pump 9 and shut down, in summer
When, environment temperature is very high, and the temperature drop of high temperature circulation water cannot be only met by evaporator 4, needs to open feeding spraying pump 9, by
Cooling water in collecting-tank 6 is extracted at water distributor 11 and sprays by feeding spraying pump 9, and wind turbine 1 is by extraneous air from air inlet hundred
Leaf window 12 is extracted into enclosure interior, is discharged via evaporation cooling coil 10, water collection device 8, fin tube condenser 2.
Above content is only the structure example and explanation to the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or substitutes by a similar method, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (7)
1. a kind of water saving closed cooling tower, characterized in that including shell, the top of the shell is equipped with wind turbine, described
Evaporation cooling zone and air cooling zone are equipped in shell, the air cooling zone is set to the top of the evaporation cooling zone, described
It is equipped with water collection device between air cooling zone and the evaporation cooling zone to be isolated, fin pipework condensation is equipped in the air cooling zone
Device, the fin tube condenser are connected with compressor and evaporator, the fin tube condenser, the compression in turn by pipeline
Machine and the evaporator form first circulation access by pipeline, and cooling working medium is filled in the first circulation access；It is described
It evaporates and is equipped with evaporation cooling coil in cooling zone, one end of the evaporation cooling coil is connected with high temperature circulation water water inlet end, institute
The other end for stating evaporation cooling coil is connected with recirculated water water outlet, and the high temperature circulation water water inlet end passes through the evaporator,
The top of the evaporation cooling coil is equipped with water distributor, and the water distributor is equipped with several nozzles, and the bottom of the shell is equipped with
Collecting-tank, one end of the water distributor are connected to the collecting-tank, and the water distributor is equipped with feeding spraying pump, the side of the shell
It is equipped with air feed shutter window at position on wall, between the collecting-tank and the evaporation cooling coil.
2. a kind of water saving closed cooling tower according to claim 1, characterized in that the compressor and the steaming
Send out the outside that device is set to the shell.
3. a kind of water saving closed cooling tower according to claim 1, characterized in that on the first circulation access
Equipped with throttle valve.
4. a kind of water saving closed cooling tower according to claim 1, characterized in that the cooling working medium is set as fluorine
Leon.
5. a kind of water saving closed cooling tower according to claim 1, characterized in that on the shell, be located at institute
It states and is equipped with the first temperature-detecting device at air feed shutter window, second temperature detection device, institute are equipped at the recirculated water water outlet
State the first temperature-detecting device and the second temperature detection device be respectively connected with controller, the controller respectively with the wind
Machine, the feeding spraying pump are connected with the compressor.
6. a kind of water saving closed cooling tower according to claim 5, characterized in that the first temperature detection dress
It sets and is set as electronic temperature transmitter with the second temperature detection device.
7. a kind of water saving closed cooling tower according to claim 1, characterized in that the high temperature circulation water water inlet
End is equipped with a plurality of heat exchanger tube in the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859087.6A CN108731503A (en) | 2018-07-31 | 2018-07-31 | A kind of water saving closed cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810859087.6A CN108731503A (en) | 2018-07-31 | 2018-07-31 | A kind of water saving closed cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108731503A true CN108731503A (en) | 2018-11-02 |
Family
ID=63942091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810859087.6A Withdrawn CN108731503A (en) | 2018-07-31 | 2018-07-31 | A kind of water saving closed cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108731503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264561A (en) * | 2022-07-29 | 2022-11-01 | 湖南东尤水汽能节能有限公司 | Atmospheric heat exchange type water vapor energy heat pump air conditioning device |
-
2018
- 2018-07-31 CN CN201810859087.6A patent/CN108731503A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264561A (en) * | 2022-07-29 | 2022-11-01 | 湖南东尤水汽能节能有限公司 | Atmospheric heat exchange type water vapor energy heat pump air conditioning device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181102 |