CN110186127A - A kind of band-tube type indirect evaporating-cooling cooperates with coupling water cooler with evaporative condenser - Google Patents

A kind of band-tube type indirect evaporating-cooling cooperates with coupling water cooler with evaporative condenser Download PDF

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Publication number
CN110186127A
CN110186127A CN201910380616.9A CN201910380616A CN110186127A CN 110186127 A CN110186127 A CN 110186127A CN 201910380616 A CN201910380616 A CN 201910380616A CN 110186127 A CN110186127 A CN 110186127A
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CN
China
Prior art keywords
water
cooler
filler
shell
collaboration
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.)
Pending
Application number
CN201910380616.9A
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Chinese (zh)
Inventor
黄翔
屈悦滢
贾晨昱
杨立然
许晶晶
寇凡
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Xian Polytechnic University
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Xian Polytechnic University
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Filing date
Publication date
Application filed by Xian Polytechnic University filed Critical Xian Polytechnic University
Priority to CN201910380616.9A priority Critical patent/CN110186127A/en
Publication of CN110186127A publication Critical patent/CN110186127A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D5/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
    • F28D5/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F25/00Component parts of trickle coolers
    • F28F25/02Component parts of trickle coolers for distributing, circulating, and accumulating liquid
    • F28F25/08Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface

Abstract

A kind of band-tube type indirect evaporating-cooling disclosed by the invention cooperates with coupling water cooler with evaporative condenser, including shell, housing central section is provided with packed tower unit, symmetrical configuration at left and right sides of packed tower unit and identical, air inlet including side wall is arranged in, the shell in air inlet are disposed with air filter, evaporation cooling unit, water fender a, direc expansion refrigeration unit, exhaust blower a and exhaust outlet a according to air-flow direction.The present invention cooperates with coupling water cooler that evaporation is cooling in conjunction with direc expansion refrigeration, indirect evaporating-cooling efficiency is effectively improved, to obtain the lower cold water of temperature;Condensation temperature and pressure are reduced using the secondary exhausting of lower temperature, improves system energy efficiency;Cooling section and mechanical refrigeration section cold water flexible configuration are evaporated, outlet water temperature range has been widened, it is energy-efficient.

Description

A kind of band-tube type indirect evaporating-cooling cooperates with coupling water cooler with evaporative condenser
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of band-tube type indirect evaporating-cooling and evaporative condenser are assisted With coupling water cooler.
Background technique
With the development of the social economy, the energy consumption of air-conditioning system is significantly increased, the energy consumption for especially preparing cold water occupies height not Under.Traditional direc expansion refrigeration air-conditioning is in summer extreme temperature, and since outdoor environment temperature is excessively high, condenser radiates not Freely, overheat of compressor is protected, and even results in disorderly closedown.Evaporation cooling technique using water as medium, by air and water directly or Cold wind or cold water are produced in person's mediate contact;Influence of the cooling water cooler vulnerable to outdoor weather condition is evaporated, leaving water temperature is not Stablize.And tradition machinery refrigeration water cooler efficiency is lower, and when use needs, is not easy to adjust leaving water temperature, it is difficult to because when Adaptation to local conditions.
Summary of the invention
The object of the present invention is to provide a kind of band-tube type indirect evaporating-coolings to cooperate with coupling water cooler, solution with evaporative condenser Determined existing air-conditioner set vegetation cold water when energy consumption is larger, radiator heat-dissipation is unsmooth, is not easy the problem of adjusting leaving water temperature.
The technical scheme adopted by the invention is that a kind of band-tube type indirect evaporating-cooling cooperates with coupling cold water with evaporative condenser Unit, including shell, housing central section are provided with packed tower unit, the symmetrical configuration at left and right sides of packed tower unit and identical, packet The air inlet that side wall is set is included, the shell in air inlet is disposed with air filter, evaporation according to air-flow direction Cooling unit, water fender a, direc expansion refrigeration unit, exhaust blower a and exhaust outlet a.
It is of the invention to be further characterized in that,
Evaporating cooling unit includes band-tube type indirect evaporation cooler, and the bottom of band-tube type indirect evaporation cooler is provided with Cold water storage cistern, the top of band-tube type indirect evaporation cooler are disposed with filler a and water distributor a from top to bottom;
Water distributor a is connected with cold water storage cistern by water supplying pipe;
Auxiliary air air inlet is provided on the corresponding shell in band-tube type indirect evaporation cooler bottom end.
Electric water treatment device and water pump are also disposed on water supplying pipe.
Cold water storage cistern is located at housing bottom, is additionally provided with feed water inlet a thereon.
Filler a uses GLASdek inorganic filler.
Band-tube type indirect evaporation cooler uses horizontal plate pipe indirect evaporation cooler.
Direc expansion refrigeration unit includes the condenser at the top of water fender a, and condenser is sequentially connected pressure by copper pipe Contracting machine, shell and tube evaporator and heating power expansion valve simultaneously form closure pipeline;
Shell and tube evaporator includes several evaporator refrigerant coil pipes in continuous " S " shape arrangement.
Refrigerant outlet and refrigerant inlet are provided on condenser, refrigerant outlet passes through copper pipe G2 connect compressor, Compressor connects heating power expansion valve, heat by copper pipe G4 by copper pipe G1 connection evaporator refrigerant coil pipe, evaporator refrigerant coil pipe Power expansion valve connects refrigerant inlet by copper pipe G3.
Packed tower unit includes the filler d set gradually from top to bottom, filler c, filler b, water distributor b, water fender b, row Blower b and exhaust outlet b.
The section that filler d is is to be inverted triangle.
The beneficial effects of the present invention are:
(1) present invention collaboration coupling water cooler, by band-tube type indirectly+direct evaporating-cooling and direc expansion refrigeration it is organic It is compact-sized in conjunction with the double cold source water coolers of, compound being integrally formed, save space, two kinds of cold water of flexible configuration when use Ratio, it is energy-efficient;
(2) present invention collaboration coupling water cooler, wherein band-tube type indirect evaporation cooler recirculated water uses unit ontology The cold water produced reduces wet channel spray coolant-temperature gage, effectively improves indirect evaporating-cooling efficiency;
(3) present invention collaboration coupling water cooler, is extended the time of contact of wet channel air and water by filler a, makes cloth Water effect is more uniform, further decreases wet channel circulating water temperature, improves indirect evaporating-cooling efficiency, makes to enter packed tower list The air's wet bulb temperature of member reduces, to obtain the lower cold water of temperature;
(4) present invention collaboration coupling water cooler utilizes lower temperature by the way that condenser to be set to above filler a Secondary exhausting heat dissipation, reduces condensation temperature and pressure, improves system energy efficiency;
(5) present invention collaboration coupling water cooler, by reducing packed tower list for the filler layered arrangement of packed tower unit First air drag, and optimize the distribution of shower water, advantageously reduce spray coolant-temperature gage.
Detailed description of the invention
Fig. 1 is the structural representation that a kind of band-tube type indirect evaporating-cooling of the present invention cooperates with coupling water cooler with evaporative condenser Figure;
Fig. 2 is the structural schematic diagram of direc expansion refrigeration unit in present invention collaboration coupling water cooler;
Fig. 3 is the left view of present invention collaboration coupling water cooler;
Fig. 4 is the top view of present invention collaboration coupling water cooler.
In figure, 1. air inlets, 2. air filters, 3. electric water treatment devices, 4. water pumps, 5. auxiliary air air inlets, 6. Cold water storage cistern, 7. feed water inlet a, 8. band-tube type indirect evaporation coolers, 9. filler a, 10. water distributor a, 11. water fender a, 12. condense Device, 13. exhaust blower a, 14. exhaust outlet a, 15. water return outlet a, 16. exhaust blower b, 17. exhaust outlet b, 18. water fender b, 19. water distributions Device b, 20. filler b, 21. filler c, 22. filler d, 23. compressors, 24. heating power expansion valves, 25. evaporator refrigerant coil pipes, 26. Feed water inlet b, 27. refrigerant outlets, 28. refrigerant inlets, 29. feed water inlet c, 30. water return outlet b, 31. shell and tube evaporators, 32. Shell, 33. water supplying pipes.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of band-tube type indirect evaporating-cooling of the present invention cooperates with coupling water cooler, as shown in Fig. 1, packet with evaporative condenser Shell 32 is included, packed tower unit is provided in the middle part of shell 32, the symmetrical configuration at left and right sides of packed tower unit and identical guarantees cold Water dispenser group can double-faced ventilated, the air inlet 1 including side wall is arranged in, shell 32 in air inlet 1 according to air-flow direction according to It is secondary to be provided with air filter 2, evaporation cooling unit, water fender a11, direc expansion refrigeration unit, exhaust blower a13 and exhaust outlet a14。
Wherein air filter 2 is using thick effect panel air filter.
Evaporating cooling unit includes band-tube type indirect evaporation cooler 8, and the bottom of band-tube type indirect evaporation cooler 8 is set It is equipped with cold water storage cistern 6, the top of band-tube type indirect evaporation cooler 8 is disposed with filler a9 and water distributor a10 from top to bottom;Cloth Hydrophone a10 and cold water storage cistern 6 are connected by water supplying pipe 33;It is arranged on the corresponding shell 32 in 8 bottom end of band-tube type indirect evaporation cooler There is auxiliary air air inlet 5.Electric water treatment device 3 and water pump 4 are also disposed on water supplying pipe 33.
The top of band-tube type indirect evaporation cooler 8 is equipped with filler a9, not only extends contact of the wet channel air with water Time, and keep water distribution effect more uniform.
Cold water storage cistern 6 is located at tiling and is set to 32 bottom of shell, is additionally provided with feed water inlet a7 thereon.
Filler a9 uses GLASdek inorganic filler;Water distributor a10 uses drip type water distributor;Auxiliary air air inlet 5 is adopted With grid air inlet;
Band-tube type indirect evaporation cooler 8 uses plate pipe indirect evaporation cooler.
As shown in Fig. 2, direc expansion refrigeration unit includes the condenser 12 at the top of water fender a11, condenser 12 is logical Copper pipe is crossed to be sequentially connected compressor 23, shell and tube evaporator 31 and heating power expansion valve 24 and form closure pipeline;Shell-tube type evaporation Device 31 includes several evaporator refrigerant coil pipes 25 in continuous " S " shape arrangement.
Refrigerant outlet 27 and refrigerant inlet 28 are provided on condenser 12, refrigerant outlet 27 is connected by copper pipe G2 Compressor 23, by copper pipe G1 connection evaporator refrigerant coil pipe 25, evaporator refrigerant coil pipe 25 is connect compressor 23 by copper pipe G4 Logical heating power expansion valve 24, heating power expansion valve 24 connect refrigerant inlet 28 by copper pipe G3.
Condenser 12 is set to the top of filler a9, is radiated using the secondary exhausting of lower temperature, reduces condensation temperature And pressure.
Packed tower unit includes the filler d22 set gradually from top to bottom, filler c21, filler b20, water distributor b19, gear Water plate b18, exhaust blower b16 and exhaust outlet b17.The filler of packed tower unit uses layered arrangement, improves the utilization rate of the energy.
The section that filler d22 is is to be inverted triangle, increases the contact area of air and filler, can cool down more bodies Long-pending air improves heat exchange efficiency.
It is provided with water return outlet a15 on water distributor b19, feed water inlet b26 and water return outlet are provided on shell and tube evaporator 31 B30, indoor end return water, which is divided into two parts, to be back in water cooler, and a part enters water distributor b19 by water return outlet a15, separately A part is entered in shell and tube evaporator 31 by water return outlet b30, as shown in figure 3, feed water inlet a7 and feed water inlet b26 pass through PVC Pipeline is connected to outside shell 32, is sent to indoor end by feed water inlet c29 infeed after mixing.
As shown in figure 4, being top view of the invention, exhaust blower a13 and exhaust outlet a14 are symmetrically distributed in exhaust outlet b17 two Side.
The present invention cooperates with the course of work of coupling water cooler as follows:
The cooling aqueous mode processed of a evaporation
Direc expansion refrigeration unit is closed, evaporation cooling unit and packed tower unit are opened.Outdoor fresh air passes through air inlet 1 Into, through air filter 2 remove impurity after, in band-tube type indirect evaporation cooler 8 by etc. it is clammy but, this process can drop The low air's wet bulb temperature into packed tower unit filler b20, filler c21, filler d22.Fresh air after cooling, which enters back into, fills out Expect that tower unit filler b20, filler c21, filler d22, indoor end return water enter water distributor b19 by water return outlet a15 and spray, spray Water drenching is directly contacted with the air into filler b20, filler c21, filler d22, and hot and humid area occurs, and end return water temperature reduces After drop down onto cold water storage cistern 6, cold water temperature made from this process be lower than outdoor air wet-bulb temperature.Cold water obtained passes through water supply Mouth a7 supplies indoor end, and fresh air is discharged under the action of exhaust blower b16 from exhaust outlet b17.
B evaporation cooling and direc expansion refrigeration unit associations aqueous mode
Under extreme conditions, while cooling evaporation, packed tower unit and direc expansion refrigeration unit being opened.It is a part of indoor End return water returns to evaporation cooling unit by water return outlet a15, and another part indoor end return water enters shell by water return outlet b30 In tubular evaparator 31, the liquid refrigerant in evaporator refrigerant coil pipe 25 absorbs in shell and tube evaporator 31 after the heat of return water Gasification.At this point, end return water temperature is lowered, low-temperature cold water is made.Gaseous refrigerant includes the heat absorbed, through copper pipe G1 It is inhaled into the gas that compressor 23 is collapsed into high temperature and pressure, the exhaust of compressor 23 enters condenser 12 through copper pipe G2.With this Meanwhile another part outdoor fresh air enters band-tube type indirect evaporation by auxiliary air air inlet 5 under the action of exhaust blower a13 It on the outside of the pipe of cooler 8, is come into full contact with shower water, by water fender a11 after constant enthalpy cooling, after the heat for taking away condenser 12 Discharge.Refrigerant is condensed into liquid, send through copper pipe G3 to heating power expansion valve 24, heating power expansion valve 24 has the refrigerant of condensation Being supplemented by copper pipe G4 to evaporator refrigerant coil pipe 25 for restraining, loops back and forth like this.It is cold made from direc expansion refrigeration unit Water is flowed out by feed water inlet b26, and the cooling high temperature cold water produced of evaporation is flowed out through feed water inlet a7, and the two mixes according to a certain percentage Water supply network is fed by feed water inlet c29 afterwards and is sent to indoor end.
The present invention cooperates with coupling water cooler that evaporation is cooling in conjunction with direc expansion refrigeration, and it is cold to effectively improve indirect evaporation But efficiency, to obtain the lower cold water of temperature;Condensation temperature and pressure are reduced using the secondary exhausting of lower temperature, improves system System efficiency;Cooling section and mechanical refrigeration section cold water flexible configuration are evaporated, outlet water temperature range has been widened, it is energy-efficient.

Claims (10)

1. a kind of band-tube type indirect evaporating-cooling cooperates with coupling water cooler with evaporative condenser, which is characterized in that including shell (32), packed tower unit is provided in the middle part of shell (32), the symmetrical configuration at left and right sides of the packed tower unit and identical, including The air inlet (1) of side wall is set, and the shell (32) in air inlet (1) is disposed with air filtration according to air-flow direction Device (2), evaporation cooling unit, water fender a (11), direc expansion refrigeration unit, exhaust blower a (13) and exhaust outlet a (14).
2. collaboration according to claim 1 couples water cooler, which is characterized in that the evaporation cooling unit includes plate pipe The bottom of formula indirect evaporation cooler (8), the band-tube type indirect evaporation cooler (8) is provided with cold water storage cistern (6), the plate pipe The top of formula indirect evaporation cooler (8) is disposed with filler a (9) and water distributor a (10) from top to bottom;
The water distributor a (10) and cold water storage cistern (6) are connected by water supplying pipe (33);
Auxiliary air air inlet (5) are provided on the corresponding shell (32) in band-tube type indirect evaporation cooler (8) bottom end.
3. collaboration according to claim 2 couples water cooler, which is characterized in that also successively set on the water supplying pipe (33) It is equipped with electric water treatment device (3) and water pump (4).
4. collaboration according to claim 2 couples water cooler, which is characterized in that the cold water storage cistern (6) is located at shell (32) bottom is additionally provided with feed water inlet a (7) thereon.
5. collaboration according to claim 2 couples water cooler, which is characterized in that the filler a (9) uses GLASdek Inorganic filler.
6. collaboration according to claim 2 couples water cooler, which is characterized in that the band-tube type indirect evaporation cooler (8) horizontal plate pipe indirect evaporation cooler is used.
7. collaboration according to claim 1 couples water cooler, which is characterized in that the direc expansion refrigeration unit includes Condenser (12) at the top of water fender a (11), condenser (12) is sequentially connected compressor (23) by copper pipe, shell-tube type steams Hair device (31) and heating power expansion valve (24) simultaneously form closure pipeline;
The shell and tube evaporator (31) includes several evaporator refrigerant coil pipes (25) in continuous " S " shape arrangement.
8. collaboration according to claim 7 couples water cooler, which is characterized in that be provided with system on the condenser (12) Cryogen exports (27) and refrigerant inlet (28), and the refrigerant outlet (27) is described by copper pipe G2 connect compressor (23) Compressor (23) is connect by copper pipe G1 connection evaporator refrigerant coil pipe (25), the evaporator refrigerant coil pipe (25) by copper pipe G4 Logical heating power expansion valve (24), the heating power expansion valve (24) connect refrigerant inlet (28) by copper pipe G3.
9. collaboration according to claim 1 couples water cooler, which is characterized in that the packed tower unit include from it is lower to On the filler d (22), filler c (21), filler b (20), water distributor b (19), water fender b (18), the exhaust blower b (16) that set gradually With exhaust outlet b (17).
10. collaboration according to claim 9 couples water cooler, which is characterized in that the section that the filler d (22) is is It is inverted triangle.
CN201910380616.9A 2019-05-08 2019-05-08 A kind of band-tube type indirect evaporating-cooling cooperates with coupling water cooler with evaporative condenser Pending CN110186127A (en)

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CN201910380616.9A CN110186127A (en) 2019-05-08 2019-05-08 A kind of band-tube type indirect evaporating-cooling cooperates with coupling water cooler with evaporative condenser

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CN201910380616.9A CN110186127A (en) 2019-05-08 2019-05-08 A kind of band-tube type indirect evaporating-cooling cooperates with coupling water cooler with evaporative condenser

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110763041A (en) * 2019-10-23 2020-02-07 西安工程大学 Precooling type closed cooling tower based on evaporative cooling technology
CN111059660A (en) * 2019-12-18 2020-04-24 西安工程大学 Dew point indirect evaporative cooling cold water system for inter-row air conditioner of data center

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110126564A1 (en) * 2008-07-22 2011-06-02 Hmx Systems Pvt. Ltd. Systems and methods for indirect evaporative cooling and for two stage evaporative cooling
CN207350632U (en) * 2017-10-12 2018-05-11 西安工程大学 A kind of energy saving template pipe indirect evaporative cooling handpiece Water Chilling Units
CN108592263A (en) * 2018-04-27 2018-09-28 西安工程大学 A kind of indirect-direct twin-stage evaporative condenser handpiece Water Chilling Units

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110126564A1 (en) * 2008-07-22 2011-06-02 Hmx Systems Pvt. Ltd. Systems and methods for indirect evaporative cooling and for two stage evaporative cooling
CN207350632U (en) * 2017-10-12 2018-05-11 西安工程大学 A kind of energy saving template pipe indirect evaporative cooling handpiece Water Chilling Units
CN108592263A (en) * 2018-04-27 2018-09-28 西安工程大学 A kind of indirect-direct twin-stage evaporative condenser handpiece Water Chilling Units

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110763041A (en) * 2019-10-23 2020-02-07 西安工程大学 Precooling type closed cooling tower based on evaporative cooling technology
CN111059660A (en) * 2019-12-18 2020-04-24 西安工程大学 Dew point indirect evaporative cooling cold water system for inter-row air conditioner of data center

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