CN220853208U - Circulating water cooling tower - Google Patents

Abstract

The utility model relates to a circulating water cooling tower which comprises a tower body, wherein a waste water tank is fixed at the upper end of the tower body, waste water is positioned in the waste water tank, a spraying mechanism, a packing element and a cold air storage shell are sequentially arranged in the tower body from top to bottom, the spraying mechanism is communicated with the waste water tank, a central main flow pipeline is connected to the cold air storage shell, a diversion pipeline positioned below the spraying mechanism is in butt joint with the upper end of the central main flow pipeline, and the diversion pipeline extends out of the tower body and is connected with the waste water tank through an air duct; the beneficial effects of the utility model are as follows: the diversion pipeline is arranged below the spray head, waste hot water sprayed by the spray head can fall on the outer surface of the diversion pipeline, and the diversion pipeline performs secondary heat exchange and cooling on the waste hot water; through setting up the dispersion screen, can be with the stranded waste heat water dispersion of shower nozzle blowout into the water droplet and fall, make the heat transfer area increase of waste hot water and below air conditioning, improve heat exchange efficiency.

Description

Circulating water cooling tower

Technical Field

The utility model belongs to the technical field of cooling towers, and particularly relates to a circulating water cooling tower.

Background

In order to respond to the energy-saving and environment-friendly concepts advocated by the nation, in chemical industrial production, a circulating water cooling tower is often used for cooling, and the purpose of cooling is achieved through water and air contact heat exchange, and in the prior art, a circulating water cooling tower is disclosed: CN115435607A, the technical scheme is that hot water below the filler assembly is circularly conveyed to the filler assembly by using a circulating water assembly, and the filler assembly is continuously contacted with the hot water, so that cold air exchanges heat with the hot water to cool;

The scheme realizes the cooling of hot water, but because the heat exchange between the hot water and cold air is only carried out in the filler component, the heat exchange stroke, time and area are limited, the heat exchange cooling efficiency is lower, and the problem of incomplete heat exchange is easy to occur.

Disclosure of utility model

The utility model aims to provide a circulating water cooling tower which can sufficiently exchange heat and cool waste hot water and has high heat exchange efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a circulating water cooling tower, the tower body including the upper end is fixed with the waste water tank, waste heat water level is in the waste water tank, spraying mechanism has been set gradually from top to bottom in the tower body, packing and air conditioning storage shell, spraying mechanism and waste water tank intercommunication, be connected with central mainstream pipeline on the air conditioning storage shell, the upper end butt joint of central mainstream pipeline has the reposition of redundant personnel pipeline that is located spraying mechanism below, the reposition of redundant personnel pipeline extends to the tower body and is connected with the waste water tank through the air duct, the end of giving vent to anger of air duct is located waste hot water, the air conditioning enters into waste heat water after central mainstream pipeline and reposition of redundant personnel pipeline in proper order, the packing is located spraying mechanism under, waste heat water enters into the packing after being spouted by spraying mechanism, be provided with exhaust assembly under the packing, exhaust assembly fixes the upper surface at the air conditioning storage shell, exhaust assembly carries the air conditioning in the air conditioning storage shell to the packing.

Further, the air duct comprises an air outlet pipeline and an air inlet pipeline, the air outlet pipeline is connected with the air inlet pipeline through a flat conduit, the flat conduit penetrates through the side wall of the waste water tank, and the lower end of the air outlet pipeline is positioned in the waste water.

Further, the spraying mechanism comprises a plurality of nozzle groups, and the plurality of nozzle groups are distributed around the central main flow pipeline array.

Further, the spray head group is formed by arranging a plurality of spray heads along a straight line, and each spray head is connected with the wastewater tank through a drainage tube.

Further, the exhaust assembly is arranged around the central main flow pipeline array, the exhaust assembly comprises exhaust holes arranged on the upper surface of the cold air storage shell, a support frame is arranged in each exhaust hole, and the support frame is connected with a waterproof cap capable of covering the exhaust holes.

Further, the exhaust holes are arranged along the radial direction of the tower body.

Further, the waterproof cap comprises a threaded rod and a cap fixed at the upper end of the threaded rod, the threaded rod is screwed with the support, the diameter of the cap is larger than that of the exhaust hole, and the lower surface of the cap is a curved surface protruding downwards.

Further, the outside of exhaust hole is equipped with keeps off the position sleeve, keeps off the position sleeve and is the tube-shape body, keeps off position sleeve and exhaust hole coaxial line setting, and its diameter is greater than the diameter of exhaust hole and is less than the diameter of cap.

Further, the packing member includes a plate body having a vertical flow passage which is located in the plate body and which penetrates the plate body, and a lower port of the vertical flow passage is located right above the waterproof cap.

Further, a dispersing screen is arranged in the tower body and is positioned between the diversion pipeline and the packing element.

Compared with the prior art, the utility model has the beneficial effects that: the cold air flows into the waste water tank through the air duct by the diversion pipeline and then directly contacts with the waste water, so as to perform primary heat exchange, and the temperature of the waste water stored in the waste water tank is reduced; meanwhile, the diversion pipeline is arranged below the spray head, waste hot water sprayed by the spray head can fall on the outer surface of the diversion pipeline, and the diversion pipeline performs secondary heat exchange and cooling on the waste hot water; through the arrangement of the dispersing screen, the stranded waste heat sprayed out of the spray head can be dispersed into water drops, so that the heat exchange area of the waste hot water and the cool air below is increased, and the heat exchange efficiency is improved;

Through the arrangement of the exhaust component, cold air flows out of the exhaust component and then enters the packing element, at the moment, wastewater falls into the packing element from the upper part of the packing element, and the cold air and waste hot water in the packing element are subjected to reverse convection to perform third heat exchange; meanwhile, the waste hot water falling from the packing element can fall on the outer surface of the cold air storage shell, the cold air storage shell exchanges heat for four times, and the waste hot water is subjected to four times of heat exchange and cooling in one cycle, so that the waste hot water is fully cooled, and the cooling efficiency of the cooling tower is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model;

FIG. 2 is a schematic illustration of the connection of a central main flow conduit to a shunt conduit according to the present utility model;

FIG. 3 is a schematic illustration of the connection of the shunt tube to the airway tube of the present utility model;

FIG. 4 is a schematic view of the exhaust assembly of the present utility model;

FIG. 5 is a schematic top view of the vent of the present utility model;

FIG. 6 is a schematic top view of the cold air storage case of the present utility model;

FIG. 7 is a schematic view showing another structure of the cold air storage case of the present utility model;

FIG. 8 is a schematic illustration of the connection of the packing element of the present utility model to a central main flow conduit;

The device comprises a 1-tower body, a 2-waste water tank, a 3-spraying mechanism, a 4-dispersing screen, a 5-packing element, a 6-cold air storage shell, a 7-drainage tube, an 8-refrigerator, a 9-low temperature water storage tank, a 10-hot air outlet, an 11-central main flow pipeline, a 12-diversion pipeline, a 13-flat conduit, a 14-air outlet pipeline, a 15-air inlet pipeline, a 16-air duct, a 17-air exhaust component, 18-exhaust holes, 19-brackets, 20-threaded hole sites, 21-waterproof caps, 22-threaded rods, 23-caps, 24-gear sleeves, 25-support arms, 26-exhaust holes, 27-drainage tubes, 28-vertical flow channels, 29-plates and 30-spray heads.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it should be understood that the preferred embodiments described herein are only for illustrating and explaining the present utility model, not for limiting the present utility model, and obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged in a variety of different configurations. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model. In the embodiments, the components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

In the description of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; may be an electrical connection; can be connected by a hydraulic oil way; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, a circulating water cooling tower comprises a cylindrical tower body 1, wherein a wastewater tank 2 is fixed at the upper end of the tower body 1, a spraying mechanism 3, a dispersing screen 4, a packing element 5 and a cold air storage shell 6 are sequentially arranged in the tower body 1 from top to bottom, the dispersing screen 4 is a fine circular grid, a through hole is formed in the center of the dispersing screen, the lower part of the spraying mechanism 3 is provided with the wastewater tank 2, the spraying mechanism 3 is connected with the wastewater tank 2 through a drainage tube 7, a refrigerator 8 connected with the cold air storage shell 6 is arranged outside the tower body 1, a low-temperature water storage tank 9 is arranged at the bottom end of the tower body 1, the low-temperature water storage tank 9 is arranged below the cold air storage shell 6, and hot air outlets 10 are formed in the tower body 1 and the wastewater tank 2; in the device, waste hot water in a wastewater tank 2 is drained to a spraying mechanism 3 by a drainage tube 7 and sprayed out, the waste hot water is dispersed into smaller water drops by a dispersion screen 4, then the formed water drops flow into a packing 5, a refrigerator 8 works in the process, cold air is conveyed into the packing 5 by a cold air storage shell 6, the cold air and the water drops exchange heat in a countercurrent way, the cold air absorbs heat of the water drops to be changed into hot air, and then the hot air is discharged from a hot air outlet 10 at the upper end of a tower body 1.

In order to improve the heat exchange efficiency, a central main flow pipeline 11 is arranged on the cold air storage shell 6, the lower end of the central main flow pipeline 11 is fixed with the upper surface of the cold air storage shell 6 and is communicated with the cold air storage shell 6, the central main flow pipeline 11 penetrates through a packing element 5 and a dispersion screen 4, a diversion pipeline 12 is butted at the upper end of the central main flow pipeline 11, the diversion pipeline 12 is positioned between a spraying mechanism 3 and the dispersion screen 4, the dispersion screen 4 is positioned between the diversion pipeline 12 and the packing element, the inner end of the diversion pipeline 12 is communicated with the central main flow pipeline 11, the diversion pipeline 12 is distributed around the central main flow pipeline 11 in an array, the outer end of the diversion pipeline 12 extends out of a tower body 1, a flat conduit 13 is arranged on a waste water tank 2, the flat conduit 13 penetrates through the side wall of the waste water tank 2, an inner end and an outer end of the flat conduit 13 are respectively butted with an air outlet pipeline 14 and an air inlet pipeline 15, the flat conduit 13, the air inlet pipeline 15 and the air outlet pipeline 14 form an air guide pipe 16 which is arranged in a U shape, the air outlet end of the air guide pipeline 16 (namely the lower end of the air outlet pipeline 14) is positioned in hot water, and the lower end of the air guide pipeline 15 and the lower end of the diversion pipeline 12 can directly enter into the first heat exchange stage;

After the refrigerator 8 continuously injects cold air into the cold air storage shell 6, the cold air moves upwards along the central main flow pipeline 11, enters the diversion pipeline 12 and then moves into the wastewater tank 2 through the diversion pipeline 12, and the cold air can primarily exchange heat and absorb heat in the wastewater tank 2, so that the temperature of waste hot water stored in the wastewater tank 2 is reduced; meanwhile, the diversion pipeline 12 is positioned below the spraying mechanism 3, the waste hot water which has absorbed a certain amount of heat preliminarily is sprayed out through the spraying mechanism 3, the spraying mechanism 3 is positioned right above the diversion pipeline 12, the sprayed waste hot water can fall on the diversion pipeline 12 at the moment, in the process that the waste hot water contacts with the diversion pipeline 12, the heat of the waste hot water is absorbed by the diversion pipeline 12 for heat exchange again, and then the waste hot water subjected to secondary heat exchange falls along the diversion pipeline 12 to enter the packing 5.

Referring to fig. 4 to 7, the upper surface of the cold air storage shell 6 is a curved surface protruding upwards, the upper surface of the cold air storage shell 6 is further provided with exhaust assemblies 17, the exhaust assemblies 17 are arranged in an array around the central main flow pipeline 11, each group of exhaust assemblies 17 is located right below the corresponding packing 5, cold air can be input into the packing 5 through the exhaust assemblies 17, and the specific structure of the exhaust assemblies 17 is as follows:

The exhaust assembly 17 includes exhaust holes 18 provided on the upper surface of the cold air storage case 6, the exhaust holes 18 are arranged in a radial direction of the tower body 1, a cross-shaped bracket 19 is provided in each exhaust hole 18, and a screw hole site 20 is provided at the center of the bracket 19, a waterproof cap 21 can be connected through the screw hole site 20, the waterproof cap 21 can cover the exhaust holes 18, the waterproof cap 21 includes a threaded rod 22 screwed into the screw hole site 20, a cap 23 is fixed to the upper end of the threaded rod 22, the diameter of the cap 23 is larger than the diameter of the exhaust hole 18, and the lower surface of the cap 23 is a curved surface protruding downward, so that the cold air can be smoothly discharged, when the refrigerator 8 continuously injects the cold air into the cold air storage case 6, part of the cold air is sprayed upwards into the packing 5 from the exhaust hole 18 after passing through the packing 5, the waste hot water on the packing 5 after the secondary heat exchange is subjected to the third heat exchange, in the process, the waste hot water in the packing 5 also moves downwards and falls on the outer surface of the cold air storage shell 6, in order to prevent the waste hot water from flowing into the cold air storage shell 6 from the exhaust hole 18 at the moment, a gear sleeve 24 arranged around the exhaust hole 18 is arranged on the upper surface of the cold air storage shell 6, namely, the gear sleeve 24 and the exhaust hole 18 are coaxially arranged, the gear sleeve 24 is a cylindrical body, the diameter of the gear sleeve is smaller than the diameter of the cap 23, so that the waste hot water can be prevented from entering the cold air storage shell 6, and meanwhile, the waste hot water falling on the cold air storage shell 6 is subjected to the fourth heat exchange through the contact with the cold air storage shell 6; thereby realizing the full cooling of the waste hot water, the cooled waste hot water becomes recyclable cold water which falls into the low-temperature water storage tank 9, and the cold air absorbs heat to become hot air which is discharged from the hot air outlet 10;

It should be noted that a space should be provided between the cold air storage shell 6 and the inner wall of the tower body 1, so that the wastewater falling on the cold air storage shell 6 can flow down into the low-temperature water storage tank 9, at this time, the cold air storage shell 6 is connected with the tower body 1 through the support arm 25, one end of the support arm 25 is fixed with the cold air storage shell 6, and the other end is fixed with the inner wall of the tower body 1;

The edge of the cold air storage shell 6 can be fixed with the inner wall of the tower body 1, at this time, a drainage pipe 27 is arranged on the cold air storage shell 6, the upper surface of the cold air storage shell 6 at this time is a plane or a concave curved surface, at the same time, drainage holes 26 are arranged on the top surface and the bottom surface of the cold air storage shell 6, the drainage pipe 27 penetrates the cold air storage shell 6, the upper end and the lower end of the drainage pipe are respectively butted with the drainage holes 26 on the top surface and the bottom surface of the cold air storage shell 6, and at this time, the waste water falling on the cold air storage shell 6 can fall into the low-temperature water storage tank 9 after passing through the drainage pipe 27.

Referring to fig. 8, in the above-mentioned scheme, the packing 5 is provided with a plurality of packing 5, all of which are distributed around the central main flow pipe 11, the packing 5 is a plate 29 having a vertical flow channel 28, the vertical flow channel 28 is located in the plate 29 and penetrates the plate 29, the waste hot water can fall into the vertical flow channel 28, in order to increase the contact time between the cold air and the waste hot water, the vertical flow channel 28 is set in an inclined state, and the lower port of the vertical flow channel 28 is located right above the waterproof cap 21, the caliber of the vertical flow channel 28 is larger than the diameter of the waterproof cap 21, so that the cold air can smoothly enter the vertical flow channel 28 and exchange heat with the waste hot water, and the heat exchange efficiency can be improved.

In addition, referring to fig. 3, the spraying mechanism 3 includes a plurality of nozzle groups, the plurality of nozzle groups are also distributed on the lower surface of the wastewater tank 2 around the central main flow pipeline 11 in an array manner and are communicated with the wastewater tank 2, the nozzle groups are formed by a plurality of nozzles 30 which are arranged in a straight line, each nozzle 30 is connected with the wastewater tank 2 through a drainage tube 7, when the spraying mechanism 3 works, waste hot water in the wastewater tank 2 is sprayed out through the drainage tube 7 by the nozzles 30, and when the waste hot water reaches the dispersing screen 4, the dispersing screen 4 forms a strand of waste hot water into water drops through a fine grid screen, so that the heat exchange area of the waste hot water and cold air is increased, and the heat exchange efficiency is improved.

In the utility model, the spray head groups, the diversion pipelines 12, the packing elements 5 and the exhaust assemblies 17 are distributed around the central main stream pipeline 11 in an array, so that the numbers of the spray head groups, the diversion pipelines 12, the packing elements 5 and the exhaust assemblies 17 are consistent, when waste hot water is sprayed out from the spray heads 30, the waste hot water can be dispersed by the dispersing screens 4 to be water drops on the corresponding diversion pipelines 12, and then the water drops directly fall into the packing elements 5 corresponding to the water drops through the diversion pipelines 12.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that changes and substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model should be mainly that of the claims.

Claims (10)

1. The utility model provides a circulating water cooling tower, includes the tower body that the upper end is fixed with the waste water tank, and waste heat water level is in the waste water tank, has set gradually spraying mechanism, packing piece and air conditioning storage shell from top to bottom in the tower body, spraying mechanism and waste water tank intercommunication, its characterized in that: the cold air storage shell is connected with a central main flow pipeline, the upper end of the central main flow pipeline is in butt joint with a diversion pipeline positioned below the spraying mechanism, and the diversion pipeline extends out of the tower body and is connected with the wastewater tank through an air duct;

The air outlet end of the air guide pipe is positioned in the waste hot water, and the cold air sequentially passes through the central main flow pipeline and the split flow pipeline and then enters the waste hot water;

The waste hot water is sprayed by the spraying mechanism and then enters the packing element, an exhaust assembly is arranged right below the packing element and fixed on the upper surface of the cold air storage shell, and the exhaust assembly conveys the cold air in the cold air storage shell into the packing element.

2. A circulating water cooling tower according to claim 1, characterized in that: the air duct comprises an air outlet pipeline and an air inlet pipeline, the air outlet pipeline is connected with the air inlet pipeline through a flat conduit, the flat conduit penetrates through the side wall of the waste water tank, and the lower end of the air outlet pipeline is positioned in waste hot water.

3. A circulating water cooling tower according to claim 1, characterized in that: the spraying mechanism comprises a plurality of spray head groups, and the spray head groups are distributed around the central main flow pipeline array.

4. A circulating water cooling tower according to claim 3, characterized in that: the spray head group consists of a plurality of spray heads which are arranged along a straight line, and each spray head is connected with the wastewater tank through a drainage tube.

5. A circulating water cooling tower according to claim 1, characterized in that: the exhaust assembly is arranged around the central main flow pipeline array, the exhaust assembly comprises exhaust holes arranged on the upper surface of the cold air storage shell, a support frame is arranged in each exhaust hole, and the support frame is connected with a waterproof cap capable of covering the exhaust holes.

6. A circulating water cooling tower as claimed in claim 5, wherein: the exhaust holes are arranged along the radial direction of the tower body.

7. A circulating water cooling tower as claimed in claim 6, wherein: the waterproof cap comprises a threaded rod and a cap fixed at the upper end of the threaded rod, the threaded rod is screwed with the support, the diameter of the cap is larger than that of the exhaust hole, and the lower surface of the cap is a curved surface protruding downwards.

8. A circulating water cooling tower as claimed in claim 7, wherein: the outside of exhaust hole be equipped with the fender position sleeve, keep off the position sleeve and be the tube-shape body, keep off position sleeve and exhaust hole coaxial line setting, its diameter is greater than the diameter of exhaust hole and is less than the diameter of cap.

9. A circulating water cooling tower according to claim 1, characterized in that: the packing element include the plate body that has vertical flow channel, vertical flow channel is located the plate body and its runs through the plate body, the lower port of vertical flow channel is located the waterproof cap directly over.

10. A circulating water cooling tower according to claim 1, characterized in that: and a dispersing screen is also arranged in the tower body and is positioned between the diversion pipeline and the packing element.