Fog dissipation device and cooling tower
A fog dissipation device includes a first flow path and a second flow path which are stacked to exchange heat between a first air flow and a second air flow flowing from bottom to top; a first outflow port through which the first air flow flowing out of the first flow path is discharged to the upper side of the fog dissipation device; and a second outflow port through which the second air flow flowing out of the second flow path is discharged to the upper side of the fog dissipation device, wherein the first outflow port and the second outflow port are alternately stacked. The fog dissipation device can play a role in water-saving fog dissipation.
1 . A fog dissipation device, comprising:
a first flow path and a second flow path which are stacked in a stacking direction to exchange heat between a first air flow and a second air flow flowing from a lower side of the fog dissipation device to an upper side of the fog dissipation device; and
first fog dissipation sheets and second fog dissipation sheets alternately stacked in the stacking direction, wherein
the first flow path is defined by a first fog dissipation sheet of the first fog dissipation sheets and a second fog dissipation sheet of the second fog dissipation sheets adjacent to the first fog dissipation sheet, and
the second flow path is defined by the second fog dissipation sheet and a further first fog dissipation sheet of the first fog dissipation sheets adjacent to the second fog dissipation sheet;
a first inflow port, at the lower side, configured to guide the first air flow into the first flow path;
a second inflow port, at the lower side, configured to guide the second air flow into the second flow path;
a first outflow port through which the first air flow flowing out of the first flow path is discharged from the upper side; and
a second outflow port through which the second air flow flowing out of the second flow path is discharged from the upper side; wherein
the first outflow port and the second outflow port are alternately stacked,
a width of the first outflow port is approximately the same as that of the fog dissipation device and greater than a width of the first inflow port in a width direction perpendicular to the stacking direction, and
a width of the second outflow port is approximately the same as that of the fog dissipation device and greater than a width of the second inflow port in the width direction.
2 . The fog dissipation device according to claim 1 , wherein,
a top edge of the fog dissipation device is a horizontal straight edge, or an inclined straight edge having a certain included angle with the horizontal direction.
3 . The fog dissipation device according to claim 1 , wherein,
a top edge of the fog dissipation device is formed as a curved edge.
4 . The fog dissipation device according to claim 1 , wherein,
the lower side of the fog dissipation device forms a sharp corner with a downward tip.
5 . The fog dissipation device according to claim 1 , wherein,
the lower side of the fog dissipation device is formed horizontally.
6 . The fog dissipation device according to claim 5 , wherein,
a width dimension of the fog dissipation device consists of two sections;
a first import portion communicated with the first flow path is formed in one section of a bottom width of the fog dissipation device; and
a second import portion communicated with the second flow path is formed in the other section of the bottom width of the fog dissipation device.
7 . The fog dissipation device according to claim 6 , wherein,
a bottom width edge of the first import portion is the same as that of a bottom edge of the second import portion.
8 . The fog dissipation device according to claim 6 , wherein,
a bottom width edge of the first import portion is different from that of a bottom edge of the second import portion.
9 . The fog dissipation device according to claim 8 , wherein,
when the bottom width edge of the first import portion is less than that of the bottom edge of the second import portion, an included angle between a bevel edge of the first import portion on an outflow side is greater than an included angle between a bevel edge of the second import portion on an outflow side and a horizontal plane.
10 . The fog dissipation device according to claim 8 , wherein,
when the bottom width edge of the first import portion is greater than that of the bottom edge of the second import portion, an included angle between a bevel edge of the first import portion on an outflow side is less than an included angle between a bevel edge of the second import portion on an outflow side and a horizontal plane.
11 . The fog dissipation device according to claim 8 , wherein,
a thickness of the first inflow port of the first import portion is greater than that of the first outflow port in the stacking direction; and
a thickness of the second inflow port of the second import portion is greater than that of the second outflow port in the stacking direction.
12 . The fog dissipation device according to claim 6 , wherein,
a first transition portion is formed between the first import portion and the first flow path; and
a second transition portion is formed between the second import portion and the second flow path.
13 . The fog dissipation device according to claim 12 , wherein,
a thickness of the first transition portion gradually decreases from the first inflow port to the first outflow port in the stacking direction; and
a thickness of the second transition portion gradually decreases from the second inflow port to the second outflow port in the stacking direction.
14 . The fog dissipation device according to claim 13 , wherein,
the thickness of the inflow port of the first transition portion is greater than that of the inflow port of the first flow path, and the thickness of the outflow port of the first transition portion is less than that of the outflow port of the first import portion; and
the thickness of the inflow port of the second transition portion is greater than that of the inflow port of the second flow path, and the thickness of the outflow port of the second transition portion is less than that of the outflow port of the second import portion.
15 . The fog dissipation device according to claim 14 , wherein,
first connection portions folded from the outflow port of the first import portion to opposite directions are formed on the first fog dissipation sheets and the second fog dissipation sheets, and the first transition portion is formed between the first connection portions;
second connection portions folded from the outflow port of the second import portion to opposite directions are formed on the first fog dissipation sheets and the second fog dissipation sheets, and the second transition portion is formed between the second connection portions; and
the first and second connection portions are formed to bend a substrate at least one time to form a concave-convex shape.
16 . The fog dissipation device according to claim 15 , wherein,
at least one bending point is formed on a first connection portion of the first connection portions, and in the first transition portion, the thickness between the bending points on the first fog dissipation sheets and the corresponding bending points on the second fog dissipation sheets is less than that of the inflow port of the first transition portion and greater than that of the outflow port of the first transition portion; and
at least one bending point is formed on a second connection portion of the second connection portions, and in the second transition portion, the thickness between the bending points on the first fog dissipation sheets and the corresponding bending points on the second fog dissipation sheets is less than that of the inflow port of the second transition portion and greater than that of the outflow port of the second transition portion.
17 . The fog dissipation device according to claim 16 , wherein,
the first connection portion is divided into two portions by the bending point on the first connection portion, and the included angle between the portion close to the inflow port of the first transition portion and the horizontal plane is greater than the portion close to the outflow portion of the first transition portion and the horizontal plane; and
the second connection portion is divided into two portions by the bending point on the second connection portion, and the included angle between the portion close to the inflow port of the second transition portion and the horizontal plane is greater than the portion close to the outflow portion of the second transition portion and the horizontal plane.
18 . The fog dissipation device according to claim 15 , wherein,
in the first transition portion, a plurality of downflow grooves are formed on the first connection portions on the first fog dissipation sheets, and a plurality of downflow grooves are also formed on the first connection portions on the second fog dissipation sheets stacked with the first fog dissipation sheets; and
in the second transition portion, a plurality of downflow grooves are formed on the second connection portions on the first fog dissipation sheets, and a plurality of downflow grooves are also formed on the second connection portions on the second fog dissipation sheets stacked with the first fog dissipation sheets.
19 . The fog dissipation device according to claim 5 , wherein,
the inflow port of the first flow path is formed in one section of the lower side of the fog dissipation device in the width direction; and
the inflow port of the second flow path is formed in the other section of the lower side of the fog dissipation device in the width direction.
20 . The fog dissipation device according to claim 4 , having:
a first flow guide structure for guiding the first air flow flowing from one section of a bottom width of the fog dissipation device to an approximately full width range of the fog dissipation device; and/or
a second flow guide structure for guiding the second air flow flowing from the other section of the bottom width of the fog dissipation device to the approximately full width range of the fog dissipation device.
21 . The fog dissipation device according to claim 20 , wherein,
the fog dissipation device is divided into a plurality of independent first flow chambers by the first flow guide structure, and the plurality of first flow chambers occupy the approximately full width of the fog dissipation device; and/or
the fog dissipation device is divided into a plurality of independent second flow chambers by the second flow guide structure, and the plurality of second flow chambers occupy the approximately full width of the fog dissipation device.
22 . The fog dissipation device according to claim 21 , wherein,
first slots for allowing the first air flow to pass therethrough are formed at bottom ends of the first flow chambers, and a rib spacing of the plurality of first slots gradually increases from an edge of one section of the width of the fog dissipation device to the center of the fog dissipation device in the width direction; and/or
second slots for allowing the second air flow to pass therethrough are formed at bottom ends of the second flow chambers, and a rib spacing of the plurality of second slots gradually increases from an edge of the other section of the width of the fog dissipation device to the center of the fog dissipation device in the width direction.
23 . The fog dissipation device according to claim 21 , wherein,
a plurality of first flow guide ribs protruded to one side and a plurality of second flow guide ribs protruded to the other side are formed on the surfaces of the first fog dissipation sheets; and/or
third flow guide ribs that are protruded to one side and correspond to the second flow guide ribs and fourth flow guide ribs that are protruded to the other side and correspond to the first flow guide ribs are formed on the surfaces of the second fog dissipation sheets, wherein the first and second flow guide structures are formed in such a way that tips of the first flow guide ribs are connected to tips of the fourth flow guide ribs in a sealed manner and tips of the second flow guide ribs are connected to tips of the third flow guide ribs in a sealed manner.
24 . The fog dissipation device according to claim 23 , wherein,
the first, second, third and fourth flow guide ribs comprise a plurality of first extension sections extending obliquely.
25 . The fog dissipation device according to claim 24 , wherein,
the first, second, third and fourth flow guide ribs further comprise second extension sections bent upward from the first extension sections.
26 . The fog dissipation device according to claim 25 , wherein,
the first, second, third and fourth flow guide ribs further comprise third extension sections bent downward from bottom ends of the first extension sections.
27 . The fog dissipation device according to claim 20 , wherein,
an upper end of the first flow guide structure extends upward to the first outflow port; and/or
an upper end of the second flow guide structure extends upward to the second outflow port.
28 . The fog dissipation device according to claim 21 , wherein,
third flow guide structures are formed in first flow guide chambers and/or second flow guide chambers, and the third flow guide structures consist of a plurality of strip-shaped protrusions extending obliquely.
29 . The fog dissipation device according to claim 1 , wherein,
a seal fit portion is formed on an edge of the fog dissipation device where no inflow/outflow port is formed, to form the first flow path and the second flow path.
30 . The fog dissipation device according to claim 29 , wherein,
the seal fit portion is formed in such a way that:
concave bent portions are formed on the first fog dissipation sheets on one side,
convex bent portions are formed on the second fog dissipation sheets on the other side, and
the concave bent portions on the first fog dissipation sheets connect to the convex bent portions of the second fog dissipation sheets.
31 . The fog dissipation device according to claim 1 , wherein,
the fog dissipation device further comprises side sealing members, and the side sealing members are arranged on two side edges of the fog dissipation device to cover gaps between the first fog dissipation sheets and adjacent second fog dissipation sheets.
32 . The fog dissipation device according to claim 31 , wherein,
buckling structures are formed on two side edges of the fog dissipation device, and the side sealing members are buckled and connected to the buckling structures.
33 . The fog dissipation device according to claim 32 , wherein,
the buckling structures are formed in such a way that:
first protruded strips protruded to one side are formed on two side edges of the first fog dissipation sheets, second protruded strips protruded to the other side are formed on two side edges of the second fog dissipation sheets, and groove structures matched with the first and second protruded strips are formed on the side sealing members.
34 . The fog dissipation device according to claim 1 , wherein,
bottom sealing members for covering gaps between the first fog dissipation sheets and adjacent second fog dissipation sheets are arranged in one section or the other section of a bottom width of the fog dissipation device.
35 . The fog dissipation device according to claim 1 , wherein,
at least one straight-through first mounting hole is formed on the first fog dissipation sheets, and at least one second mounting hole corresponding to the first mounting hole is formed on the second fog dissipation sheets stacked with the first fog dissipation sheets;
first bumps are formed on one side of the first fog dissipation sheets in a stacking direction, second bumps are formed on one side of the second fog dissipation sheets in the stacking direction, and the outer surfaces of the first bumps are fitted with the inner surfaces of the first mounting holes; and
a mounting tube runs through the first bumps and the second bumps.
36 . The fog dissipation device according to claim 35 , wherein,
the outer diameter of the first bumps extending in the stacking direction gradually decreases, and the outer diameter of the second bumps extending in the stacking direction gradually decreases.
37 . A cooling tower, comprising:
fog dissipation devices, each fog dissipation device of the fog dissipation devices according to claim 1 , the fog dissipation devices being arranged in a horizontal direction to form a fog dissipation portion of the cooling tower.
38 . The cooling tower according to claim 37 , wherein,
two side edges of the fog dissipation devices are formed as concave-convex edges, which are meshed with the concave-convex edges of adjacent fog dissipation devices.
39 . The cooling tower according to claim 37 , wherein,
partition plates are arranged on the lower side of the fog dissipation portion and on the bottom of said each fog dissipation device, and the plurality of partition plates are separated to form a plurality of air flow tunnels.
40 . The cooling tower according to claim 39 , wherein,
sealing members extending in the stacking direction are arranged at junctions of the fog dissipation devices with the partition plates.
41 . The fog dissipation device according to claim 1 , wherein
the width of the first inflow port is greater than the width of the second inflow port.
42 . The fog dissipation device according to claim 41 , wherein
the first fog dissipation sheets and the second fog dissipation sheets are in a shape of a pentagon wherein a tip of the pentagon faces the lower side.