Composite cooling device

Abstract

The utility model relates to a composite cooling device in the field of cooling equipment. The composite cooling device comprises a bottom frame, fin heat exchange tubes and evaporation heat exchange tubes, wherein the fin heat exchange tubes and the evaporation heat exchange tubes are erected above the two ends of the bottom frame respectively and connected in series. A first fan for blowing air corresponding to the fin heat exchange tube is arranged below the fin heat exchange tube, a second fan for exhausting air corresponding to the evaporation heat exchange tube is arranged above the evaporation heat exchange tube, a spraying mechanism for spraying corresponding to the evaporation heat exchange tube is arranged between the second fan and the evaporation heat exchange tube, a water collecting tank is arranged below the evaporation heat exchange tube, and the water collecting tank is arranged below the evaporation heat exchange tube. The water collecting tank supplies water to the spraying mechanism through a circulating water pipe with a circulating pump, and the circulating pump and a pipe body of the corresponding part of the circulating water pipe are arranged below the first fan; the composite cooling device can be independently controlled and maintained while the composite cooling effect is guaranteed, and interference loss is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling equipment field especially is related to a composite cooling device. BACKGROUND

[0002] In order to make full use of natural energy evaporation heat dissipation, reduce air conditioning system energy consumption, and ensure the heat dissipation effect, the existing cooling equipment mostly adopts the form of composite use of multiple cooling modes, such as the Chinese patent with the announcement number CN111536809A, which discloses a composite cooling tower and a cooling method, the finned tube and the evaporation pipe are arranged up and down in the same tower body, and are driven by the same set of fans, which can utilize air cooling for cooling in winter, and can utilize natural evaporation cooling of circulating water in other seasons, and the evaporation pipe is sprayed for cooling, but the existing cooling tower has the defects that it is not open and independent enough, and the air cooling and water cooling cannot be independently controlled according to the actual operating conditions, so that the hot and humid air after spraying around the evaporation pipe is discharged upward through the finned tube, thereby causing corrosion of the finned tube, reducing the heat exchange efficiency of the finned tube, affecting the service life of the equipment, and the whole high tower body is not conducive to inspection and maintenance. SUMMARY

[0003] In order to overcome the deficiencies in the background art and solve the existing technical problems, the utility model discloses a composite cooling device, which can independently control and maintain while ensuring the composite cooling effect, and avoid interference loss.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A composite cooling device, comprising a chassis, and finned heat exchange pipes and evaporation heat exchange pipes respectively erected above both ends of the chassis and connected in series, a first fan corresponding to the finned heat exchange pipes for blowing air below the finned heat exchange pipes, a second fan corresponding to the evaporation heat exchange pipes for extracting air above the evaporation heat exchange pipes, a spraying mechanism corresponding to the evaporation heat exchange pipes for spraying between the second fan and the evaporation heat exchange pipes, a water collecting tank below the evaporation heat exchange pipes, the water collecting tank supplying water to the spraying mechanism through a circulating water pipe with a circulating pump, and the circulating pump and the corresponding part of the circulating water pipe body being arranged below the first fan.

[0006] Further, the composite cooling device further comprises a box body, the box body is connected with leg rods fixed to the chassis at the four corners of the bottom surface, the finned heat exchange pipes and the first fan are installed in the box body, and the top and bottom of the box body are respectively provided with a first louver and an air inlet.

[0007] Further, the composite cooling device further comprises a tower body fixed to the base frame, the evaporative heat exchange pipe, the second fan, the spraying mechanism and the water collecting tank are installed in the tower body, the top of the tower body is provided with an air outlet, and the wall surface of the tower body between the water collecting tank and the evaporative heat exchange pipe is provided with a second louver.

[0008] Further, the water collector is installed between the second fan and the spraying mechanism.

[0009] Further, the finned heat exchange pipe and the evaporative heat exchange pipe are both in the shape of a serpentine.

[0010] Further, the bottom tank wall of the water collecting tank is provided with a blowdown pipe with a blowdown valve, and the top tank wall of the water collecting tank is provided with a liquid level meter and a water inlet pipe.

[0011] By adopting the technical scheme, the composite cooling device has the following beneficial effects:

[0012] The composite cooling device disclosed by the utility model is characterized in that the serially connected finned heat exchange pipe and evaporative heat exchange pipe are installed side by side on the base frame and are controlled by the first fan and the second fan to perform independent air circulation, thereby avoiding the direct influence of the humid hot air around the evaporative heat exchange pipe on the finned heat exchange pipe, improving the air cooling heat exchange efficiency and service life of the finned heat exchange pipe, installing the circulating pump below the first fan, which can be more integrated and save space, and the sprayed water subjected to air draft by the second fan for primary air cooling can be subjected to air draft by the first fan for secondary air cooling, thereby greatly improving the composite cooling effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the implementation structure schematic view of the utility model.

[0014] In the figure: 1, first fan; 2, finned heat exchange pipe; 3, second fan; 4, evaporative heat exchange pipe; 5, water collecting tank; 6, circulating pump; 7, base frame; 8, second louver; 9, spraying mechanism; 10, water collector; 11, first louver. DETAILED DESCRIPTION

[0015] The technical scheme of the utility model will be described below in combination with the drawings in the embodiments of the utility model, and in the description, it should be understood that the orientation or position relationship indicated by terms such as 'up', 'down', 'front', 'back', 'left' and 'right' only corresponds to the drawings of the utility model and is for the convenience of describing the utility model and does not indicate or imply that the indicated device or element must have a specific orientation:

[0016] The drawings are combinedFigure 1 The composite cooling device comprises a chassis 7, and finned heat exchange pipes 2 and evaporative heat exchange pipes 4 arranged above both ends of the chassis 7 and connected in series, that is, one end of the finned heat exchange pipes 2 and the evaporative heat exchange pipes 4 are connected correspondingly, and the other end of the finned heat exchange pipes 2 and the evaporative heat exchange pipes 4 are respectively provided with a heat exchange medium inlet and a heat exchange medium outlet, so as to ensure that the heat exchange medium passes through the finned heat exchange pipes 2 and the evaporative heat exchange pipes 4 in sequence, and the finned heat exchange pipes 2 and the evaporative heat exchange pipes 4 can be both provided as serpentine pipes in order to increase the heat exchange contact area.

[0017] A first fan 1 corresponding to the finned heat exchange pipes 2 is arranged below the finned heat exchange pipes 2 to blow air on the finned heat exchange pipes 2 for cooling heat exchange; according to needs, the composite cooling device further comprises a box body, four corners of a bottom surface of the box body are connected with leg rods fixed to the chassis 7, sufficient air inlet space is obtained by heightening through the leg rods, the finned heat exchange pipes 2 and the first fan 1 are installed in the box body, a first louver 11 and an air inlet are respectively arranged at the top and the bottom of the box body, and the box body is used to gather air and prevent dust, so that ambient air can be driven by the first fan 1 to pass through the finned heat exchange pipes 2 from the air inlet and then be discharged by the first louver 11.

[0018] A second fan 3 corresponding to the evaporative heat exchange pipes 4 is arranged above the evaporative heat exchange pipes 4 to draw air, a spraying mechanism 9 corresponding to the evaporative heat exchange pipes 4 is arranged between the second fan 3 and the evaporative heat exchange pipes 4 to spray water, a water collector 10 is arranged between the second fan 3 and the spraying mechanism 9 to prevent the second fan 3 from drawing too much water vapor when spraying, so as to cause excessive loss of water, and a water collection tank 5 is arranged below the evaporative heat exchange pipes 4 to collect water falling from spraying; according to needs, the composite cooling device further comprises a tower body fixed to the chassis 7, the evaporative heat exchange pipes 4, the second fan 3, the spraying mechanism 9 and the water collection tank 5 are installed in the tower body, an air outlet is arranged at the top of the tower body, a second louver 8 is arranged on the wall surface of the tower body between the water collection tank 5 and the evaporative heat exchange pipes 4, ambient air can flow upwards through the second louver 8 and be discharged from the air outlet when the second fan 3 is started; in addition, a blow-off pipe with a blow-off valve is arranged on the bottom tank wall of the water collection tank 5 to discharge and replace water, a water inlet pipe and a liquid level meter are arranged on the top tank wall of the water collection tank 5 to respectively supplement cooling water and detect the liquid level in the water collection tank 5; the water collection tank 5 supplies water to the spraying mechanism 9 through a circulating water pipe with a circulating pump 6, two circulating pumps 6 can be arranged in parallel to facilitate switching, maintenance and repair, the circulating pump 6 and the corresponding part of the circulating water pipe are arranged below the first fan 1, which not only can be more integrated and save space, but also the sprayed water cooled by the second fan 3 once can be further cooled by the first fan 1 twice.

[0019] The composite cooling device, the heat exchange medium to be cooled is first passed through the fin heat exchange pipe 2, the first stage air cooling is carried out by the first fan 1, then is passed through the evaporation heat exchange pipe 4, the cooling water is sprayed by the spraying mechanism 9, is discharged after the second stage cooling is carried out, and the spraying water of heat exchange and temperature rise is naturally evaporated and cooled by the air extracted upward by the second fan 3 in the descending process, is collected to the water collecting tank 5 again, and is repeatedly supplied to the spraying mechanism 9 after being cooled by the circulating water pipe; of course, according to the change of ambient temperature, the first fan 1, the second fan 3 and the circulating pump 6 can also be controlled and used independently.

[0020] The part not described in detail in the utility model is the prior art, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, no matter from which point of view, the above-mentioned embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any figure mark in the claims should not be regarded as limiting the content of the involved claims.

Claims

1. A composite cooling device, characterized by: The composite cooling device comprises a chassis (7), finned heat exchange pipes (2) and evaporation heat exchange pipes (4) arranged above both ends of the chassis (7) and connected in series; a first fan (1) is arranged below the finned heat exchange pipes (2) to blow air to the finned heat exchange pipes (2), a second fan (3) is arranged above the evaporation heat exchange pipes (4) to draw air from the evaporation heat exchange pipes (4), a spraying mechanism (9) is arranged between the second fan (3) and the evaporation heat exchange pipes (4) to spray water to the evaporation heat exchange pipes (4), a water collecting tank (5) is arranged below the evaporation heat exchange pipes (4), the water collecting tank (5) supplies water to the spraying mechanism (9) through a circulating water pipe with a circulating pump (6), and the circulating pump (6) and a part of the circulating water pipe are arranged below the first fan (1).

2. The composite cooling device according to claim 1, characterized by: The composite cooling device further comprises a box body, four legs of the box body are connected to the chassis (7), the finned heat exchange pipes (2) and the first fan (1) are arranged in the box body, and the top and bottom of the box body are respectively provided with a first louver (11) and an air inlet.

3. The composite cooling device of claim 1, wherein: The composite cooling device further comprises a tower body fixed to the chassis (7), the evaporation heat exchange pipes (4), the second fan (3), the spraying mechanism (9) and the water collecting tank (5) are arranged in the tower body, the top of the tower body is provided with an air outlet, and a second louver (8) is arranged on the wall of the tower body between the water collecting tank (5) and the evaporation heat exchange pipes (4).

4. The composite cooling device according to claim 3, characterized by: A water collector (10) is arranged between the second fan (3) and the spraying mechanism (9).

5. The composite cooling device of claim 1, wherein: The finned heat exchange pipes (2) and the evaporation heat exchange pipes (4) are both arranged as serpentine pipes.

6. The composite cooling device of claim 1, wherein: A sewage pipe with a sewage valve is arranged on the bottom wall of the water collecting tank (5), and a liquid level meter and a water inlet pipe are arranged on the top wall of the water collecting tank (5).

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