CN203810958U - V-type combined dry/wet sealed cooling tower - Google Patents

V-type combined dry/wet sealed cooling tower Download PDF

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Publication number
CN203810958U
CN203810958U CN201420212710.6U CN201420212710U CN203810958U CN 203810958 U CN203810958 U CN 203810958U CN 201420212710 U CN201420212710 U CN 201420212710U CN 203810958 U CN203810958 U CN 203810958U
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China
Prior art keywords
heat exchanger
cooling tower
tube
combined dry
closed cooling
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Expired - Lifetime
Application number
CN201420212710.6U
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Chinese (zh)
Inventor
黄荣锋
吴世华
赖周平
梁春阳
尹俊
刘伟
张勇军
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BEIJING KAIDEFEI COOLER MANUFACTURING Co Ltd
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BEIJING KAIDEFEI COOLER MANUFACTURING Co Ltd
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Priority to CN201420212710.6U priority Critical patent/CN203810958U/en
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Publication of CN203810958U publication Critical patent/CN203810958U/en
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Abstract

The utility model relates to a V-type combined dry/wet sealed cooling tower, which comprises a box body, a heat exchanger and an air inducing device, wherein the heat exchanger is arranged in the box body; the air inducing device is arranged on the top of the box body; the heat exchanger is of a V-shaped structure composed of two side heat exchange plates both of which have inclination angles; each side heat exchange plate is an inner-outer fin flat pipe bundle; a water collector is arranged below the heat exchanger; an optic pipe bundle is arranged below the water collector and is communicated with the heat exchanger through a pipeline; a spraying device is arranged above the optic pipe bundle and below the water collector. The V-type combined dry/wet sealed cooling tower has the beneficial effect that the optic pipe bundle for spraying and cooling is adopted, the cooling and heat exchange effect of the inner-outer fin flat pipes in the cooling tower is improved; the water consumption is lowered and the blockage of the heat exchanger is prevented; the V-type combined dry/wet sealed cooling tower is suitable for a dry and dusty environment; by adopting an unitization structure, the industrial production is facilitated and the cost is reduced.

Description

That a kind of V-type is combined is dry, wet closed cooling tower
Technical field
The utility model belongs to industrial cooling device, relates in particular to a kind of V-type and combines dry, wet closed cooling tower.
Background technology
According to the 12 five-year-plan outline > > of < < national economy and social development, during " 12 ", unit GDP energy resource consumption and unit industrial added value water consumption need to reduce respectively 16%, 30%.According to this target, to annual energy-saving and water-saving target, be on average 3.2% and 6%.The proportion of the shared energy consumption of industrial colling and water consumption is 20%~30%, and the thermal power plant's direct air cooling system in example whole plant water consumption of take, than traditional water-cooling system water saving 65%, as can be seen here, is developed air cooler and can be effectively reduced energy consumption and water consumption.Adopt the air cooler water-saving result of finned tube, the especially flat pipe of inside and outside fin obvious, its main heat exchange element is for mostly being vertically disposed finned tube.But the cooling tower of planting thus air cooler formation still needs spray water smoke and consume the cooling water of some to inside and outside fin flat tube at high temperature season, under the environmental condition of many dirt, also easily there is the obstruction of fin, therefore, this kind of cooling tower used and has been subject to certain limitation in the area of drought and water shortage and many dirt.
Summary of the invention
The purpose of this utility model is to propose the technical scheme that a kind of V-type is combined dry, wet closed cooling tower, improves the cooling heat transferring effect of the flat pipe of inside and outside fin in cooling tower, reduces water consumption, prevents that heat exchanger from stopping up.
To achieve these goals, the technical solution of the utility model is: a kind of V-type is combined dry, wet closed cooling tower, comprises casing, is arranged on heat exchanger in casing, is arranged on the blower unit at casing top; Described heat exchanger forms V character form structure by two side heat exchanger plates that are provided with inclination angle; Described side heat exchanger plates is the flat pipe tube bank of inside and outside fin; Below described heat exchanger, be provided with water collection device, be provided with light pipe tube bank below described water collection device, described light pipe tube bank is communicated with heat exchanger by pipeline, above restraining at light pipe, water collection device below be provided with spray equipment.
Further, the flat pipe tube bank of described inside and outside fin comprises the flat pipe of inside and outside fin, the flat pipe of described inside and outside fin is the platypelloid type radiating tube of both ends open, the internal diameter of the flat pipe of inside and outside fin is provided with the inner fin that internal diameter is separated into a plurality of paths, and the external diameter of the flat pipe of inside and outside fin is provided with many radiating fins.
Further, described heat exchanger is positive V character form structure, and described two side heat exchanger plates connect in lower end.
Further, described heat exchanger is inverted v-shaped structure, and described two side heat exchanger plates connect in upper end.
Further, the angle between described two side heat exchanger plates is 40 ° to 100 °.
Further, the length of described light pipe tube bank is 1m~25m, is highly 0.1m~3m; The heat exchanger tube of described light pipe light beam can be a kind of of coiled pipe, screwed pipe, bellows, shape tube, porous surface tube, spiral flat tube, spiral grooved tube, elliptical tube, flat tube; The material of described light pipe is aluminium alloy or carbon steel or stainless steel or red copper.
Further, in order to strengthen the cooling effect of light pipe tube bank, described spray equipment is provided with the shower nozzle that sprays water smoke to light pipe tube bank.
Further, in order to keep the clean of heat exchanger, described in each, above the side of side heat exchanger plates, be provided with described cleaning dolly, cleaning dolly is arranged on to clean on guide rail and moves as vertical and horizontal, clean dolly cleaning the complete whole side heat exchanger plates of mobile covering on guide rail, clean dolly and be provided with the single or multiple high-pressure nozzles to side heat exchanger plates by high pressure water jets.
Further, described blower unit comprises by motor-driven air-introduced machine, and the diameter of described air-introduced machine is 2m~11m; Described motor straight connects in succession or connects air-introduced machine by arrangements for speed regulation; Every air-introduced machine is arranged in an air duct.
Further, in order to be conducive to carry out suitability for industrialized production, reduce costs, dry, the wet closed cooling tower of described V-type comprises one or more foursquare cooling units; Each cooling unit is provided with independently heat exchanger, blower unit, light pipe tube bank, water collection device, spray equipment and cleaning dolly; A plurality of cooling unit linear array connect into dry, the wet closed cooling tower of complete V-type by casing; The heat exchanger of a plurality of cooling units is connected by pipeline.
The beneficial effects of the utility model are: adopt the light pipe tube bank of spraying cooling, improve the cooling heat transferring effect of the flat pipe of inside and outside fin in cooling tower, reduce water consumption, prevent that heat exchanger from stopping up, and is suitable for the climatic environment of dry many dirt; Adopt having unit structure, in order to be conducive to carry out suitability for industrialized production, reduce costs.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the utility model structure chart, and heat exchanger is positive v-shaped structure;
Fig. 2 is the structure chart of the flat pipe tube bank of the utility model inside and outside fin;
Fig. 3 is the having unit structure schematic diagram that the utlity model has four cooling units;
Fig. 4 is that the utility model heat exchanger is inverted V-shaped structure chart;
Fig. 5 is the having unit structure schematic diagram that the utlity model has two cooling units.
The specific embodiment
Adopt the flat pipe of inside and outside fin as heat exchange element, it is larger that fin flat tube and common finned tube are compared effective heat transfer area, and heat transfer dead angle is less.Adopt the flat tube can attenuate wall thickness, thermal resistance be less simultaneously, and heat transfer coefficient is higher.
The width dimensions of flat tube is larger, single fin flat tube can replace the heat transfer effect of many row's fin pipes, so fin flat tube adopts single row configuration more, the disorderly caused pipe bursting by freezing of thermal balance and corrosion between the dust stratification problem that the finned tubes of row more than can effectively avoiding bring and inner and outer pipes.Because single row configuration air side resistance is little, therefore can select the air blast of smaller power.
Fin flat tube adopts inside and outside fin structure, inner fin can play drainage, and to be thermal medium more even at the inner flow velocity of flat tube, and inner fin can improve flat tube in addition rigidity and intensity avoid pipe due to the unstable phenomenon of rigidity deficiency under external and internal pressure effect.The increase of inner fin can reduce the wall thickness of flat tube in addition, and thermal resistance reduces and effectively improves heat transfer coefficient, saves material and cost.
The flat pipe of inside and outside fin conventionally adopts with water-spray system and is used in conjunction with, and can regulate according to operating mode, and the sprinkling that nebulizes during unlatching, at fin surface evaporation endothermic, improves air side heat transfer coefficient.Realize winter and do not spray water, summer auxiliary heat-exchanging.In identical heat exchange amount situation, can select less heat exchange area, reduce equipment cost.
Inner surface in the flat pipe tube bank of inside and outside fin can be used cleaning dolly periodic cleaning tube bank surface, avoids dust stratification and environmental contaminants to affect heat-transfer effect in tube bank surface attachment.
In fields such as chemical industry, electric power, petrochemical industry, use the flat pipe tube bank of inside and outside fin cooler, than conventional dry air cooling, can efficiency improve 25%, specific humidity air cooling water saving 50%.
But the cooling tower of planting thus air cooler formation still needs spray water smoke and consume the cooling water of some to inside and outside fin flat tube at high temperature season, under the environmental condition of many dirt, also easily there is the obstruction of fin, therefore, this kind of cooling tower used and has been subject to certain limitation in the area of drought and water shortage and many dirt.
As Fig. 1, in order further to improve the effect of the flat pipe of inside and outside fin in cooling tower, the utility model proposes a kind of V-type and combine dry, wet closed cooling tower, comprise casing 10, be arranged on heat exchanger 20 in casing, be arranged on the blower unit 30 at casing top; Described heat exchanger forms V character form structure by two side heat exchanger plates that are provided with inclination angle; Described side heat exchanger plates is the flat pipe tube bank of inside and outside fin; Below described heat exchanger, be provided with water collection device 40, be provided with light pipe tube bank 70 below described water collection device, described light pipe tube bank is communicated with heat exchanger by pipeline; Above light pipe tube bank, water collection device below be provided with spray equipment 50.
As Fig. 2, the flat pipe tube bank of described inside and outside fin comprises the flat pipe 21 of inside and outside fin, the flat pipe of described inside and outside fin is the platypelloid type radiating tube of both ends open, the internal diameter of the flat pipe of inside and outside fin is provided with the interior wing 22 that internal diameter is separated into a plurality of paths, and the external diameter of the flat pipe of inside and outside fin is provided with many radiating fins 23.
The material of the flat pipe of inside and outside fin adopts aluminium alloy conventionally, by brazing fin outside the aluminum flat tube through strengthening, formed, the parameter of flat tube is as follows: flat width 100mm~400mm, flat tube height 5mm~30mm, flat tube thickness 0.5mm~3mm, flat tube length 2m~24m, flat tube inner chamber is provided with 1~16 of reinforcement, thickness 0.15mm~the 0.4mm of aluminium fin, fin brazed is in the plane of flat tube both sides.
Described heat exchanger can be positive V character form structure, and two side heat exchanger plates connect in lower end; Heat exchanger can be also inverted v-shaped structure, and two side heat exchanger plates connect in upper end.
Included angle A between described two side heat exchanger plates is 40 ° to 100 °.
The length of described light pipe tube bank is 1m~25m, is highly 0.1m~3m; The heat exchanger tube of described light pipe light beam can adopt coiled pipe, screwed pipe, bellows, shape tube, porous surface tube, spiral flat tube, spiral grooved tube, elliptical tube, flat tube; The material of described light pipe is aluminium alloy, carbon steel, stainless steel or red copper.
Described spray equipment is provided with the shower nozzle 51 that sprays water smoke to light pipe tube bank.
Described in each, above the side of side heat exchanger plates, be provided with described cleaning dolly 60, cleaning dolly is arranged on to clean on guide rail 61 and moves as vertical and horizontal, clean dolly cleaning the complete whole side heat exchanger plates of mobile covering on guide rail, clean dolly and be provided with the single or multiple high-pressure nozzles 62 to side heat exchanger plates by high pressure water jets.
Described blower unit comprises the air-introduced machine 32 being driven by motor 31, and the diameter of described air-introduced machine is 2m~11m; Described motor straight connects in succession or connects air-introduced machine by arrangements for speed regulation; Every air-introduced machine is arranged in an air duct 33.
Dry, the wet closed cooling tower of V-type can adopt normalized mode to manufacture, and every dry, wet closed cooling tower of V-type comprises one or more foursquare cooling units; Each cooling unit is provided with independently heat exchanger, blower unit, light pipe tube bank, water collection device, spray equipment and cleaning dolly; A plurality of cooling unit linear array connect into dry, the wet closed cooling tower of complete V-type by casing; The heat exchanger of a plurality of cooling units is connected by pipeline.The length of side S of square cooling unit is 3m~12m.
Embodiment mono-:
As shown in Figure 1, Figure 2, Fig. 3, that a kind of V-type is combined is dry, wet closed cooling tower, comprises casing 10, is arranged on heat exchanger 20 in casing, is arranged on the blower unit 30 at casing top; Described heat exchanger forms V character form structure by two side heat exchanger plates that are provided with inclination angle; Described side heat exchanger plates is the flat pipe tube bank of inside and outside fin; Below described heat exchanger, be provided with water collection device 40, be provided with light pipe tube bank 70 below described water collection device, light pipe tube bank is communicated with heat exchanger by pipeline, above restraining at light pipe, water collection device below be provided with spray equipment 50.
As Fig. 3, the square cooling unit that the present embodiment is 3m by four length of sides forms, and each cooling unit is provided with independently heat exchanger, blower unit, light pipe tube bank, water collection device, spray equipment and cleaning dolly; Four cooling unit linear array connect into dry, the wet closed cooling tower of complete V-type by casing; The heat exchanger of four cooling units is connected by pipeline.
Described casing is rectangle, long 12 meters of casing, and casing is wide 3 meters, and casing is high 4.7 meters.
Described heat exchanger forms positive V character form structure by two side heat exchanger plates that are provided with inclination angle, and two side heat exchanger plates connect in lower end, included angle A=45 ° between two side heat exchanger plates.
Described side heat exchanger plates is the flat pipe tube bank of inside and outside fin.The material of the flat pipe of inside and outside fin adopts aluminium alloy, by brazing fin outside the aluminum flat tube through strengthening, is formed, and the internal diameter of the flat pipe of inside and outside fin is separated into 10 square paths; Outer fin is snakelike, and the parameter of flat tube is as follows: flat width 220mm, and flat tube height 8mm, flat tube thickness 1.0mm, flat tube length 2.5m, flat tube inner chamber is provided with 9 of reinforcements, and the fin clearance D of outer fin is 5mm, and height H is 28mm.The flat pipe of inside and outside fin adopts aluminium and aluminium alloy to make.The thickness 0.20mm of outer fin, fin brazed is in the plane of flat tube both sides.
The length of described light pipe tube bank is 2.7m, is highly 0.5m; The heat exchanger tube of described light pipe light beam can adopt coiled pipe, and the material of described light pipe is aluminium alloy.
Have the top that 4 air-introduced machines are arranged on described casing, every air-introduced machine is corresponding to a cooling unit, and the diameter of air-introduced machine is 2.4m.Described water collection device is installed below blower unit.
Described spray equipment is provided with the shower nozzle that sprays water smoke to light pipe tube bank.Spray equipment also comprises cyclic water tank 52, ball-cock assembly 53, water supplement port 54, and described cyclic water tank is positioned at described bottom half, for controlling the described ball-cock assembly of water supplement port break-make, is connected with described water supplement port, and ball-cock assembly is arranged in described cyclic water tank; Having two circulating pumps 55 to be arranged on respectively casing both sides is that shower nozzle supplies water; Every circulating pump water inlet is communicated with cyclic water tank, and the water inlet of circulating pump delivery port and an electric water treatment device 56 is by pipeline communication, and the delivery port of electric water treatment device connects described shower nozzle by pipeline.
At the flat pipe of inside and outside fin, restrain towards a side at casing center described cleaning dolly is installed.Each cooling unit has two cleaning dollies to be arranged on the longitudinal rail and cross slide way being fixed on casing, described longitudinal rail and cross slide way are arranged on respectively the inner side of the flat pipe tube bank of inside and outside fin of both sides, every cleaning dolly is provided with two high-pressure nozzles, clean dolly and on guide rail, do horizontal and vertical scanning motion from top to bottom, the water under high pressure of injection is covered to the flat pipe tube bank of whole inside and outside fins; The level run speed of cleaning dolly is 1.5 m/min, and described water under high pressure is deionized water or fresh water, and the spray flow of single high-pressure nozzle is 10 liters/min, and the pressure of described water under high pressure is 9 MPa.
The utility model in use, first flow through light pipe tube bank of process fluid, in light pipe tube bank, carry out cooling for the first time, then the flat pipe tube bank of the inside and outside fin of flowing through is carried out again cooling, air through the flat pipe tube bank of inside and outside fin, is lowered the temperature to the process fluid in heat exchanger under air-introduced machine effect; Shower water is opened where necessary, to light pipe tube bank auxiliary temperature-reducing.
Casing adopts frame structure, whole firm, realizes operational effect; Frame structure can be steel construction, aluminium alloy structure, reinforced concrete structure.
Adopt the structure of assembled unit to be conducive to carry out suitability for industrialized production, reduce costs, ensure the quality of products.
Blower fan also can adopt many minor diameter blower fans.
The quantity of the flat pipe tube bank of inside and outside fin can be increased and decreased by required heat exchange area.
The utility model utilizes the direct cooling circulating water of cooling tower, and the effect that light pipe tube bank has strengthened the heat exchange of cooling tower is set, then by shower water auxiliary temperature-reducing, the water collection device that is arranged on spray equipment top can prevent the loss of cooling water.The utility model heat transfer coefficient is large, and heat exchange efficiency is high, and compact equipment is lightweight, and volume is little, and floor space is little, saves material, the successful of saving water and energy.
Embodiment bis-:
The present embodiment is to implement a kind of improvement of one.
As Fig. 4, Fig. 5, that a kind of V-type is combined is dry, wet closed cooling tower, comprises casing, blower unit, light pipe tube bank, water collection device, the flat pipe tube bank of inside and outside fin, spray equipment, cleaning dolly.
As shown in Figure 5, the square cooling unit that the present embodiment is 3m by two length of sides forms, and each cooling unit is provided with independently heat exchanger, blower unit, light pipe tube bank, water collection device, spray equipment and cleaning dolly; Two cooling unit linear array connect into dry, the wet closed cooling tower of complete V-type by casing; The heat exchanger of two cooling units is connected by pipeline.
Described casing is rectangle, long 6 meters of casing, and casing is wide 3 meters, and casing is high 4.7 meters.The inner side of casing is provided with the flat pipe tube bank of inside and outside fin.Described heat exchanger forms inverted v-shaped structure by two side heat exchanger plates that are provided with inclination angle, and two side heat exchanger plates connect in upper end, as shown in Figure 5.
There are two blower units to be arranged on the top of casing, every blower unit is corresponding to a cooling unit, described spray equipment is provided with a plurality of shower nozzles that spray water smoke to light pipe tube bank, water collection device is installed above spray equipment, at the flat pipe of inside and outside fin, restrains towards a side at casing center described cleaning dolly is installed.
Every described blower unit is provided with the air-introduced machine that a diameter is 2.4m.

Claims (10)

1. V-type is combined dry, a wet closed cooling tower, comprises casing, is arranged on heat exchanger in casing, is arranged on the blower unit at casing top; It is characterized in that, described heat exchanger forms V character form structure by two side heat exchanger plates that are provided with inclination angle; Described side heat exchanger plates is the flat pipe tube bank of inside and outside fin; Below described heat exchanger, be provided with water collection device, be provided with light pipe tube bank below described water collection device, described light pipe tube bank is communicated with heat exchanger by pipeline, above restraining at light pipe, water collection device below be provided with spray equipment.
2. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, the flat pipe tube bank of described inside and outside fin comprises the flat pipe of inside and outside fin, the flat pipe of described inside and outside fin is the platypelloid type radiating tube of both ends open, the internal diameter of the flat pipe of inside and outside fin is provided with the inner fin that internal diameter is separated into a plurality of paths, and the external diameter of the flat pipe of inside and outside fin is provided with many radiating fins.
3. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, described heat exchanger is positive V character form structure, and described two side heat exchanger plates connect in lower end.
4. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, described heat exchanger is inverted v-shaped structure, and described two side heat exchanger plates connect in upper end.
5. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, the angle between described two side heat exchanger plates is 40 ° to 100 °.
6. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, the length of described light pipe tube bank is 1m~25m, is highly 0.1m~3m; The heat exchanger tube of described light pipe light beam can be a kind of of coiled pipe, screwed pipe, bellows, shape tube, porous surface tube, spiral flat tube, spiral grooved tube, elliptical tube, flat tube; The material of described light pipe is aluminium alloy or carbon steel or stainless steel or red copper.
7. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, described spray equipment is provided with the shower nozzle that sprays water smoke to light pipe tube bank.
8. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, described in each, above the side of side heat exchanger plates, be provided with described cleaning dolly, cleaning dolly is arranged on to clean on guide rail and moves as vertical and horizontal, clean dolly cleaning the complete whole side heat exchanger plates of mobile covering on guide rail, clean dolly and be provided with the single or multiple high-pressure nozzles to side heat exchanger plates by high pressure water jets.
9. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, described blower unit comprises by motor-driven air-introduced machine, and the diameter of described air-introduced machine is 2m~11m; Described motor straight connects in succession or connects air-introduced machine by arrangements for speed regulation; Every air-introduced machine is arranged in an air duct.
10. a kind of V-type according to claim 1 is combined dry, wet closed cooling tower, it is characterized in that, dry, the wet closed cooling tower of described V-type comprises one or more foursquare cooling units; Each cooling unit is provided with independently heat exchanger, blower unit, light pipe tube bank, water collection device, spray equipment and cleaning dolly; A plurality of cooling unit linear array connect into dry, the wet closed cooling tower of complete V-type by casing; The heat exchanger of a plurality of cooling units is connected by pipeline.
CN201420212710.6U 2014-04-29 2014-04-29 V-type combined dry/wet sealed cooling tower Expired - Lifetime CN203810958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420212710.6U CN203810958U (en) 2014-04-29 2014-04-29 V-type combined dry/wet sealed cooling tower

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Application Number Priority Date Filing Date Title
CN201420212710.6U CN203810958U (en) 2014-04-29 2014-04-29 V-type combined dry/wet sealed cooling tower

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109425235A (en) * 2017-08-28 2019-03-05 中国石油化工股份有限公司 Heat exchanger and closed cooling tower
CN110715464A (en) * 2019-10-29 2020-01-21 江苏金荣森制冷科技有限公司 Air-cooled energy-saving industrial refrigerator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109425235A (en) * 2017-08-28 2019-03-05 中国石油化工股份有限公司 Heat exchanger and closed cooling tower
CN109425235B (en) * 2017-08-28 2020-04-03 中国石油化工股份有限公司 Heat exchanger and closed cooling tower
CN110715464A (en) * 2019-10-29 2020-01-21 江苏金荣森制冷科技有限公司 Air-cooled energy-saving industrial refrigerator

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Granted publication date: 20140903