CN212902743U

CN212902743U - Space heat exchanger and water-saving and fog-eliminating cooling tower applying same

Info

Publication number: CN212902743U
Application number: CN202021785629.9U
Authority: CN
Inventors: 王洵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-06
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a space heat exchanger, which comprises a heat exchanger body, wherein the heat exchanger body comprises a plurality of wet-type spaces which are uniformly arranged, a dry-wet integration space is arranged between the adjacent wet-type spaces, the wet-type spaces comprise a plurality of wet-type channels with upper and lower openings, and the dry-wet integration space comprises a plurality of dry-wet integration channels with upper and lower openings; be provided with two guide plates that are parallel to each other on the upper surface of heat exchanger body, be provided with two vertical sealings in the wet collecting channel futilely, two vertical sealings will wet collecting channel separates for air water mixing channel and the dry air channel who is located air water mixing channel both sides, the utility model discloses directly replace the packing layer in the current cooling tower, compare with current water conservation fog dispersal technique and do not have a large amount of increases water conservation fog dispersal auxiliary assemblies, whole capital construction and accessory cost are the same basically with ordinary cooling tower, are fit for popularizing and applying again when reaching water conservation fog dispersal purpose.

Description

Space heat exchanger and water-saving and fog-eliminating cooling tower applying same

Technical Field

The utility model relates to an industrial circulating water cooling equipment technical field, concretely relates to water conservation fog dispersal cooling tower of space heat exchanger and applied this heat exchanger.

Background

The cooling tower is a common industrial circulating water cooling device, along with the improvement of the environmental protection requirement, water saving and fog dissipation become an important part in the design of the cooling tower, the fog dissipation modes of the cooling tower on the market are divided into two modes, one mode is that a PVC air-gas heat exchanger is additionally arranged at the upper part of a water collector of the cooling tower and external dry air and wet air sent out by a filler below are mixed, so that the fog dissipation purpose is achieved, but the technology improves the gas flow resistance and the fan energy consumption while eliminating partial white fog, reduces the air volume, improves the outlet water temperature of the cooling tower and influences the normal work of the cooling tower; the other scheme is that a metal finned tube is additionally arranged outside an air chamber of the cooling tower, water flow flows into the finned tube and directly enters the air chamber after the outside air is heated by the finned tube to be mixed with humid hot air sent out by the filler below, the fog state at the outlet of the cooling tower can be improved, the influence on the temperature of the water discharged from the tower is small, but along with the increase of the service time, dust impurities carried in the air can be attached to the metal finned tube, the performance of the finned tube heat exchanger is gradually attenuated, the regular cleaning and replacement are needed, the maintenance cost is increased, in addition, the construction purchase cost of the two fog dissipation modes is also high, and the two fog dissipation modes are not beneficial to large-scale popularization and use.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a cooling tower of space heat exchanger and applied this heat exchanger, it has effectively solved the problem that exists among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a space heat exchanger comprises a heat exchanger body, wherein the heat exchanger body comprises a plurality of wet type spaces which are uniformly arranged, a dry-wet integrated space is arranged between every two adjacent wet type spaces, the wet type spaces comprise a plurality of wet type channels with openings at the upper part and the lower part, and the dry-wet integrated space comprises a plurality of dry-wet integrated channels with openings at the upper part and the lower part; the heat exchanger comprises a heat exchanger body and is characterized in that two guide plates which are parallel to each other are arranged on the upper surface of the heat exchanger body, two vertical seals are arranged in a dry-wet integrated channel, and the dry-wet integrated channel is divided into an air-water mixing channel and a dry air channel positioned on two sides of the air-water mixing channel.

Furthermore, the heat exchanger body comprises a plurality of mutually parallel packing sheets, the packing sheets are perpendicular to the guide plate, and the wet channel and the dry-wet integrated channel are formed between the adjacent packing sheets.

Further, the wet space and the wet and dry integration space respectively comprise a wet channel and a wet and dry integration channel.

A water-saving fog-dispersing cooling tower comprises the space heat exchanger.

Further, the cooling tower still includes dryer, draught fan, tower body, pond and sprays the layer, space heat exchanger installs at the tower internal, the air intake has been seted up respectively to the lower part left and right sides of tower body, it is located to spray the layer space heat exchanger top and spray the layer and include first water distribution pipe and second water distribution pipe, be provided with the valve on first water distribution pipe and the second water distribution pipe respectively, be provided with the shower head on shower head and the first water distribution pipe on the first water distribution pipe and be located between two guide plates, also be provided with the shower head on shower head and the second water distribution pipe on the second water distribution pipe and be located the both sides outside the space is enclosed to two guide plates, the jet water flow of the shower head on first water distribution pipe and the second water distribution pipe does not cross the guide plate.

Furthermore, a water collector layer is arranged in the tower body above the spraying layer.

The utility model discloses following beneficial technological effect has:

the utility model discloses directly replace the packing layer in the current cooling tower, compare with current water conservation fog dispersal technique and do not have a large amount of increases water conservation fog dispersal auxiliary assemblies, whole capital construction and accessory cost are the same basically with ordinary cooling tower, are fit for popularizing and applying again when reaching water conservation fog dispersal purpose.

Drawings

Fig. 1 is a schematic view of the overall structure of a space heat exchanger in an embodiment of the present invention;

FIG. 2 is a front view of the water-saving and fog-dispersing cooling tower in the embodiment of the present invention;

fig. 3 is a schematic view of the assembly position of the space heat exchanger and the spraying layer in the embodiment of the present invention;

FIG. 4 is a water flow pattern over a sheet of filler material in a wet channel in an embodiment of the present invention;

fig. 5 is a diagram illustrating the water flow distribution on a filler sheet in a wet and dry integrated channel according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the space heat exchanger according to this embodiment includes a heat exchanger body 1, the heat exchanger body 1 includes a plurality of wet spaces uniformly arranged, a wet-dry integration space is arranged between adjacent wet spaces, the wet spaces include a plurality of wet channels 2 with openings on both upper and lower portions, the wet-dry integration space includes a plurality of wet-dry integration channels 3 with openings on both upper and lower portions, specifically, the wet spaces and the wet-dry integration spaces respectively include a wet channel 2 and a wet-dry integration channel 3, which is beneficial for absorbing heat of gas in the wet-dry integration channels, of course, a wet space may also include a plurality of wet channels 2, a wet-dry integration space may also include a plurality of wet-dry integration channels 3, it should be noted that too many wet-dry integration channels 3 in a wet-dry integration space may affect the heat absorption process of dry air in the wet-dry integration channels 3, the air heat absorption efficiency is reduced, so that the number of the dry-wet integrated channels 3 in one dry-wet integrated space is preferably one; be provided with two guide plates 4 that are parallel to each other on the upper surface of heat exchanger body 1, be provided with two vertical seal 5 in the integrated passageway 3 futilely wets, two vertical seal 5 separate for the integrated passageway 3 futilely wets for air water mixing channel 6 and be located the dry air passageway 7 of air water mixing channel 6 both sides, two preferred vertical seal 5 and two guide plates 4 one-to-one, interval between two guide plates 4 equals the interval between two vertical seal 5 promptly, this interval of preferred is 200 and adds one's material 600 mm.

The heat exchanger body 1 includes a plurality of packing pieces that are parallel to each other, and it is fixed to bond each other between the packing piece, and packing piece perpendicular to guide plate 4 forms wet-type passageway 2 and wet integrated channel 3 futilely between the adjacent packing piece, and vertical seal 5 also is the packing piece, guarantees the heat transfer of dry air passageway 7 and air water mixing channel 6, and one of the form of vertical seal 5 is for forming two packing pieces of wet integrated channel 3 are constructed the bonding and form vertical seal 5 futilely, and above-mentioned structure is: correspond the vertical enhancement arris of punching press or mould pressing formation on two packing pieces that form futilely wet integrated channel 3, two sets of totally four vertical enhancement arriss become two vertical sealings 5, and vertical enhancement arris still can strengthen the intensity of packing piece, avoid the buckling deformation of packing piece, and vertical sealed 5's the second form is: the single packing sheet is put into the dry-wet integrated channel 3 and is bonded and fixed to form a vertical seal 5; in practical application, a single heat exchanger body 1 can be used as a unit, and then a plurality of heat exchanger bodies 1 are placed side by side to serve as an integral heat exchanger layer, so that the requirements of cooling towers with different sizes are met.

The water-saving fog-dispersing cooling tower comprises the space heat exchanger.

The cooling tower also comprises an air duct 8 and an induced draft fan 9, the cooling tower comprises a tower body 10, a water tank 11 and a spraying layer, wherein a space heat exchanger is arranged in the tower body 10, air inlets 12 are respectively formed in the left side and the right side of the lower part of the tower body 10, the spraying layer is positioned above the space heat exchanger and comprises a first water distribution pipe 13 and a second water distribution pipe 14, valves are respectively arranged on the first water distribution pipe 13 and the second water distribution pipe 14, a spraying head is arranged on the first water distribution pipe 13 and positioned between two guide plates 4, a spraying head is also arranged on the second water distribution pipe 14 and positioned on two sides outside a space surrounded by the two guide plates 4, the sprayed water flow of the spraying heads on the first water distribution pipe 13 and the second water distribution pipe 14 does not cross the guide plates 4, a water collector layer 15 is also arranged in the tower body 10 above the spraying layer, and the water content of the exhaust gas of the cooling tower is further reduced;

the working principle of the embodiment is as follows:

when the cooling tower runs in winter, the water saving and fog dispersing are emphasized, the first water distribution pipe 13 is opened, the second water distribution pipe 14 is closed, dry and cold air in the environment passes through a rain area of the cooling tower and then respectively enters the wet channel 2 and the dry-wet integrated channel 3 from bottom to top, the air entering the wet channel 2 exchanges heat with the water flow sent out by the first water distribution pipe 13 to form damp and hot air which is discharged through an upper opening of the wet channel 2, one part of the air entering the dry-wet integrated channel 3 enters the dry air channel 7, the other part of the air enters the air-water mixing channel 6, the air entering the air-water mixing channel 6 exchanges heat with the water flow sent in the first water distribution pipe 13 like the wet channel 2 and generates damp and hot air to be discharged upwards, the air in the dry air channel 7 generates partition wall heat exchange with the water flow air and the like of the wet channel 2 and the air-water mixing channel 6 through filler sheets, the temperature, the dry hot air and the humid hot air which are sent out upwards by the heat exchanger body 1 are mixed, the mixed air tends to keep an unsaturated state, a large amount of white fog cannot be generated after the mixed air is discharged out of the tower, the evaporation capacity of the cooling tower is reduced, and the purposes of water saving and fog dissipation are achieved;

in the process, because the distance between the dry hot air and the wet hot air is very short when the dry hot air and the wet hot air are discharged, and the water distribution system, the water collector layer 15 and the induced draft fan 9 are stirred and mixed, the mixing effect of the dry hot air and the wet hot air is excellent, and the purposes of water saving and fog dissipation are favorably realized;

when the cooling tower runs in summer with a large heat load, the second water distribution pipe 14 can be opened, the second water distribution pipe 14 sprays water flow to distribute water in the dry air channel 7, the dry-wet integrated channel 3 is converted into the wet channel 2, the cooling tower carries out a common wet cooling process at the moment, the water temperature of the outlet water of the cooling tower is favorably reduced, certainly, the second water distribution pipe 14 can also be partially opened, and the proportion of wet cooling in the cooling process of the whole cooling tower is further controlled, so that the heat load can be favorably completed, and the water-saving and fog-removing processes can be simultaneously carried out.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A space heat exchanger is characterized by comprising a heat exchanger body, wherein the heat exchanger body comprises a plurality of wet type spaces which are uniformly arranged, a dry-wet integrated space is arranged between every two adjacent wet type spaces, each wet type space comprises a plurality of wet type channels with openings at the upper part and the lower part, and each dry-wet integrated space comprises a plurality of dry-wet integrated channels with openings at the upper part and the lower part; the heat exchanger comprises a heat exchanger body and is characterized in that two guide plates which are parallel to each other are arranged on the upper surface of the heat exchanger body, two vertical seals are arranged in a dry-wet integrated channel, and the dry-wet integrated channel is divided into an air-water mixing channel and a dry air channel positioned on two sides of the air-water mixing channel.

2. A space heat exchanger according to claim 1, wherein the heat exchanger body includes a plurality of mutually parallel packing sheets, the packing sheets being perpendicular to the deflector, adjacent packing sheets defining the wet channels and the wet and dry integrated channels therebetween.

3. A space heat exchanger according to claim 1, characterised in that the wet space and the wet and dry integrated space comprise one wet channel and one wet and dry integrated channel, respectively.

4. A water-saving defogging cooling tower which comprises the space heat exchanger according to any one of claims 1 to 3.

5. The water-saving fog-dispersing cooling tower as claimed in claim 4, wherein the cooling tower further comprises an air duct, an induced draft fan, a tower body, a water pool and a spraying layer, the space heat exchanger is arranged in the tower body, the left side and the right side of the lower part of the tower body are respectively provided with an air inlet, the spraying layer is positioned above the space heat exchanger and comprises a first water distribution pipe and a second water distribution pipe, the first water distribution pipe and the second water distribution pipe are respectively provided with a valve, the first water distribution pipe is provided with a spraying head, the spraying head on the first water distribution pipe is positioned between the two guide plates, the second water distribution pipe is also provided with a spraying head, the spraying heads on the second water distribution pipe are positioned at two sides outside the space surrounded by the two guide plates, and the spraying water flow of the spraying heads on the first water distribution pipe and the second water distribution pipe does not cross the guide plates.

6. The water-saving fog-dispersing cooling tower as claimed in claim 5, wherein a water collector layer is further arranged in the tower body above the spraying layer.