CN215063847U

CN215063847U - Counter-flow closed cooling tower capable of realizing multi-stage cooling

Info

Publication number: CN215063847U
Application number: CN202120993303.3U
Authority: CN
Inventors: 凌发全; 涂淑平; 陶罗飞; 朱庆云
Original assignee: SHANGHAI TYACHT COOLING SYSTEM CO Ltd
Current assignee: SHANGHAI TYACHT COOLING SYSTEM CO Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-07
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a counter-current closed cooling tower capable of realizing multi-stage cooling, which comprises a bottom plate, a water collecting tank, a cooling bin, a heat exchange bin and an air exhaust channel, a water collecting tank, a cooling bin, a heat exchange bin and an exhaust channel are sequentially fixed on the upper surface of the bottom plate, a water pump is fixed on one side of the upper surface of the bottom plate, the water pump is communicated with the inside of the water collecting tank through a second water conveying pipe, the first water conveying pipe is fixed on the water pump, a first connecting pipe is fixed in the middle of the bottom end in the heat exchange bin, one end of the first connecting pipe is communicated with a first water conveying pipe, a first spray head is fixed at the bottom of the first connecting pipe, two second connecting pipes are symmetrically fixed in the cooling bin, the second spray heads are respectively fixed at the opposite sides of the two second connecting pipes, one end of the first connecting pipe is in fluid communication with one end of the two second connecting pipes through a third connecting pipe. The utility model discloses increase the shower nozzle in the middle of the coil pipe both sides, increase cooling water and coil pipe area of contact, realize multistage cooling.

Description

Counter-flow closed cooling tower capable of realizing multi-stage cooling

Technical Field

The utility model relates to a cooling tower technical field specifically is a can realize multistage refrigerated counter-current closed cooling tower.

Background

The cooling tower is a device which uses water as circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the heat is transferred to the outside of the pipe through the pipe wall to generate steam through heat exchange, the steam volatilizes and takes away the heat, and the waste heat generated in industry or in a refrigeration air conditioner is dissipated by utilizing the principles of phase change heat transfer, convection heat transfer, radiation heat transfer and the like to reduce the water temperature, so that the normal operation of the system is ensured.

For a countercurrent closed cooling tower, hot media enter from an inlet above a coil pipe, and cooling water sprayed by a spray head falls down to contact with the coil pipe to exchange heat to realize cooling. In a general counter-flow closed cooling tower, cooling water is sprayed and dropped from above, and the area of contact with the coil is limited, resulting in insufficient cooling efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can realize multistage refrigerated adverse current closed cooling tower possesses and increases cooling water and coil pipe area of contact, realizes multistage refrigerated advantage, and it is limited with the area of coil pipe contact to have solved shower nozzle spun cooling water, leads to the not high enough problem of cooling efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a counter-current closed cooling tower capable of realizing multi-stage cooling comprises a bottom plate, a water collecting tank, a cooling bin, a heat exchange bin and an air exhaust channel, wherein the upper surface of the bottom plate is fixedly connected with the bottom end of the water collecting tank, the top end of the water collecting tank is fixedly connected with the bottom end of the cooling bin, a coil pipe is fixed in the cooling bin, the top end of the cooling bin is fixedly connected with the bottom end of the heat exchange bin, the top end of the heat exchange bin is fixedly connected with the bottom end of the air exhaust channel, a water pump is fixed on one side of the upper surface of the bottom plate, the inlet of the water pump is communicated with the interior of the water collecting tank through a second water pipe, a first water pipe is fixed at the outlet of the water pump, a first connecting pipe is fixed in the middle of the bottom end of the heat exchange bin, one end of the first connecting pipe is communicated with the first water pipe, a first spray nozzle is fixed at the bottom of the first connecting pipe, and two second connecting pipes are symmetrically fixed in the cooling bin at the front end and the back end of the coil pipe, and the opposite sides of the two second connecting pipes are respectively fixed with a second spray head, and the bottom of one end of the first connecting pipe is in fluid communication with the tops of one ends of the two second connecting pipes through a third connecting pipe.

Preferably, the front end and the rear end of the top of the water collecting tank are respectively embedded with an air inlet grid.

Preferably, a water inlet is formed above the coil pipe, a water discharge port is formed below the coil pipe, and the water inlet and the water discharge port of the coil pipe extend out of one side of the cooling bin respectively.

Preferably, a heat exchanger body is fixed inside the heat exchange bin, an axial flow fan body is fixed inside the exhaust channel, and the axial flow fan body corresponds to the opening at the top end of the heat exchanger body.

Preferably, the water collecting tank, the cooling bin, the heat exchange bin and the air exhaust channel are communicated in sequence.

Preferably, the first connecting pipe is positioned right above the coil pipe, and the first spray head corresponds to the coil pipe.

Preferably, the second connecting pipe is located in the middle of the side surface of the coil pipe, and the second spray head corresponds to the middle of the side surface of the coil pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up third connecting pipe, second connecting pipe and second shower nozzle, increase cooling water and coil pipe area of contact, realize multistage cooling. The utility model discloses be provided with the third connecting pipe, second connecting pipe and second shower nozzle, hot medium enters into the coil pipe through the water inlet of coil pipe top, the water pump starts, the water pump carries first connecting pipe with the cooling water through first raceway, the cooling water enters into the second connecting pipe through the third connecting pipe when getting into first connecting pipe, pressurized cooling water passes through first shower nozzle and atomizes the blowout downwards in the first connecting pipe, from first shower nozzle spun cooling water whereabouts and coil pipe contact, carry out the heat transfer through the hot medium in cooling water and the coil pipe. Pressurized cooling water in the second connecting pipe is transversely atomized and sprayed out through the second spray head, the cooling water sprayed out from the second spray head is contacted with the coil pipe, and heat exchange is carried out through the cooling water and a heat medium in the coil pipe. The cooling water sprayed by the first spray head and the second spray head exchanges heat with the coil pipe simultaneously, so that the contact area of the cooling water and the coil pipe is enlarged, and multi-stage cooling is realized. The air is fed from the air inlet grid and forms reverse convection with the atomized cooling water, and the axial flow fan body takes away a large amount of evaporated hot and humid air so as to cool the heat exchanger body; and a part of cooling water is evaporated to take away heat, the hot saturated air is discharged to the atmosphere by the axial flow fan body, the unevaporated cooling water falls into the water collecting tank, and the water in the water collecting tank is pumped out by the water pump to the water distribution system for heat dissipation and then is sprayed to the outer surface of the coil pipe.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the connection structure of the present invention in a front cross-sectional view;

fig. 4 is a schematic diagram of the left side sectional connection structure of the cooling bin of the present invention.

In the figure: 1. a base plate; 2. a water collection tank; 3. an air inlet grid; 4. a cooling bin; 5. a heat exchange bin; 6. an air exhaust channel; 7. a first water delivery pipe; 8. a water pump; 9. an axial flow fan body; 10. a second connecting pipe; 11. a coil pipe; 12. a first nozzle; 13. a first connecting pipe; 14. a heat exchanger body; 15. a third connecting pipe; 16. a second water delivery pipe; 17. and a second spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a can realize multistage refrigerated sealed cooling tower against current, includes bottom plate 1, water catch bowl 2, cooling bin 4, heat transfer storehouse 5 and

exhaust passage

6, 1 upper surface of bottom plate and 2 bottom fixed connections of water catch bowl, both ends are installed air inlet grid 3 respectively in the embedding around the water catch bowl 2 top. 2 tops of water catch bowl and 4 bottom fixed connection in cooling bin, 4 inside coil pipes 11 that are fixed with in cooling bin, the water inlet is set to 11 tops of coil pipes, and 11 below of coil pipes set up the row's mouth of a river, and the water inlet and the outlet of coil pipes 11 stretch out from one side of cooling bin 4 respectively, and during hot medium entered into coil pipes 11 through the water inlet of 11 tops of coil pipes, the outlet of medium following 11 below of coil pipes after the cooling was discharged. The top end of the cooling bin 4 is fixedly connected with the bottom end of the heat exchange bin 5, and the heat exchanger body 14 is fixed inside the heat exchange bin 5, as is well known to those skilled in the art, the heat exchanger body 14 is provided in the general knowledge, which belongs to the conventional means or common general knowledge, and is not described herein again, and those skilled in the art can make any choice according to their needs or convenience. The top end of the heat exchange bin 5 is fixedly connected with the bottom end of the exhaust channel 6, and the axial flow fan body 9 is fixed in the exhaust channel 6, as is well known to those skilled in the art, the provision of the axial flow fan body 9 is common, and belongs to conventional means or common general knowledge, and is not described herein any more, and those skilled in the art can optionally select and match according to their needs or convenience, and the axial flow fan body 9 corresponds to the opening at the top end of the heat exchanger body 14. The water collecting tank 2, the cooling bin 4, the heat exchange bin 5 and the air exhaust channel 6 are communicated in sequence.

A water pump 8 is fixed on one side of the upper surface of the bottom plate 1, as is well known to those skilled in the art, the water pump 8 is provided in the general knowledge, which belongs to the conventional means or common knowledge, and will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience. The inlet of the water pump 8 is communicated with the inside of the water collecting tank 2 through a second water conveying pipe 16, the outlet of the water pump 8 is fixedly provided with a first water conveying pipe 7, the middle of the bottom end inside the heat exchange bin 5 is fixedly provided with a first connecting pipe 13, one end of the first connecting pipe 13 is communicated with the first water conveying pipe 7, the bottom of the first connecting pipe 13 is fixedly provided with a first spray head 12, the first connecting pipe 13 is positioned right above the coil pipe 11, and the first spray head 12 corresponds to the coil pipe 11. The water pump 8 is started, the water pump 8 conveys cooling water to the first connecting pipe 13 through the first water conveying pipe 7, the pressurized cooling water in the first connecting pipe 13 is sprayed out in a downward atomizing mode through the first spray head 12, the cooling water sprayed out from the first spray head 12 falls to be in contact with the coil pipe 11, and heat exchange is carried out through the cooling water and a heat medium in the coil pipe 11. The air is fed from the air inlet grid 3 and forms reverse convection with the atomized cooling water, and the axial flow fan body 9 takes away a large amount of evaporated hot and humid air so as to cool the heat exchanger body 14; part of the cooling water is evaporated to take away heat, the hot saturated air is discharged to the atmosphere by the axial flow fan body 9, the unevaporated cooling water falls into the water collecting tank 2, the water pump 8 pumps the water in the water collecting tank 2 out to a water distribution system for heat dissipation, and then the water is sprayed to the outer surface of the coil pipe 11.

Example 2

Referring to fig. 3 and 4, the present invention provides an embodiment: a can realize the cooled closed cooling tower against current of multistage, the inside symmetry of cooling bin 4 of both ends is fixed with two second connecting pipes 10 around the coil pipe 11, and two second connecting pipes 10 are fixed with the second shower nozzle 17 respectively to one side relative, and second connecting pipe 10 is located the centre department of the coil pipe 11 side, and the second shower nozzle 17 corresponds with the centre of the coil pipe 11 side. The bottom of one end of the first connecting pipe 13 is communicated with the tops of one ends of the two second connecting pipes 10 through a third connecting pipe 15. When the cooling water enters the first connecting pipe 13, the cooling water enters the second connecting pipe 10 through the third connecting pipe 15, the pressurized cooling water in the second connecting pipe 10 is transversely atomized and sprayed out through the second spray head 17, the cooling water sprayed out from the second spray head 17 is in contact with the coil pipe 11, and heat exchange is carried out through the cooling water and a heat medium in the coil pipe 11. The cooling water sprayed by the first spray head 12 and the second spray head 17 exchanges heat with the coil pipe 11 at the same time, so that the contact area of the cooling water and the coil pipe 11 is enlarged, and multi-stage cooling is realized.

The working principle is as follows: the water pump 8 is started, the water pump 8 conveys cooling water into the first connecting pipe 13 through the first water conveying pipe 7, the pressurized cooling water in the first connecting pipe 13 is atomized and sprayed downwards through the first spray head 12, and the cooling water sprayed out of the first spray head 12 falls down to be contacted with the coil pipe 11; when the cooling water enters the first connecting pipe 13, the cooling water enters the second connecting pipe 10 through the third connecting pipe 15, the pressurized cooling water in the second connecting pipe 10 is transversely atomized and sprayed out through the second spray head 17, the cooling water sprayed out from the second spray head 17 is in contact with the coil pipe 11, and heat exchange is carried out through the cooling water and a heat medium in the coil pipe 11.

The air is fed from the air inlet grid 3 and forms reverse convection with the atomized cooling water, and the axial flow fan body 9 takes away a large amount of evaporated hot and humid air so as to cool the heat exchanger body 14; part of the cooling water is evaporated to take away heat, the hot saturated air is discharged to the atmosphere by the axial flow fan body 9, the unevaporated cooling water falls into the water collecting tank 2, the water pump 8 pumps the water in the water collecting tank 2 out to a water distribution system for heat dissipation, and then the water is sprayed to the outer surface of the coil pipe 11.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a can realize multistage refrigerated sealed cooling tower against current, includes bottom plate (1), water catch bowl (2), cooling bin (4), heat transfer storehouse (5) and air exhaust passageway (6), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with the bottom end of the water collecting tank (2), the top end of the water collecting tank (2) is fixedly connected with the bottom end of the cooling bin (4), a coil pipe (11) is fixed inside the cooling bin (4), the top end of the cooling bin (4) is fixedly connected with the bottom end of the heat exchange bin (5), the top end of the heat exchange bin (5) is fixedly connected with the bottom end of the air exhaust channel (6), a water pump (8) is fixed on one side of the upper surface of the bottom plate (1), the inlet of the water pump (8) is communicated with the inside of the water collecting tank (2) through a second water pipe (16), the outlet of the water pump (8) is fixed with a first water conveying pipe (7), a first connecting pipe (13) is fixed in the middle of the bottom end inside the heat exchange bin (5), one end of the first connecting pipe (13) is communicated with the first water conveying pipe (7), a first spray head (12) is fixed at the bottom of the first connecting pipe (13), the inside symmetry in cooling storehouse (4) at both ends is fixed with two second connecting pipes (10) around coil pipe (11), two one side that second connecting pipe (10) is relative is fixed with second shower nozzle (17) respectively, the one end bottom of first connecting pipe (13) is through the one end top intercommunication of third connecting pipe (15) and two second connecting pipes (10).

2. The counter-flow closed cooling tower capable of achieving multistage cooling as claimed in claim 1, wherein: and air inlet grids (3) are respectively embedded into the front end and the rear end of the top of the water collecting tank (2).

3. The counter-flow closed cooling tower capable of achieving multistage cooling as claimed in claim 1, wherein: the water inlet is arranged above the coil pipe (11), the water discharging port is arranged below the coil pipe (11), and the water inlet and the water discharging port of the coil pipe (11) respectively extend out of one side of the cooling bin (4).

4. The counter-flow closed cooling tower capable of achieving multistage cooling as claimed in claim 1, wherein: a heat exchanger body (14) is fixed inside the heat exchange bin (5), an axial flow fan body (9) is fixed inside the exhaust channel (6), and the axial flow fan body (9) corresponds to an opening in the top end of the heat exchanger body (14).

5. The counter-flow closed cooling tower capable of achieving multistage cooling as claimed in claim 1, wherein: the water collecting tank (2), the cooling bin (4), the heat exchange bin (5) and the air exhaust channel (6) are communicated in sequence.

6. The counter-flow closed cooling tower capable of achieving multistage cooling as claimed in claim 1, wherein: the first connecting pipe (13) is positioned right above the coil pipe (11), and the first spray head (12) corresponds to the coil pipe (11).

7. The counter-flow closed cooling tower capable of achieving multistage cooling as claimed in claim 1, wherein: the second connecting pipe (10) is positioned in the middle of the side face of the coil pipe (11), and the second spray head (17) corresponds to the middle of the side face of the coil pipe (11).