CN216049254U - A mix wind air cooler for fog dispersal - Google Patents

Abstract

The utility model provides an air mixing air cooler for fog dissipation, which comprises a heat exchange air box, a heat exchange tube bundle arranged in the heat exchange air box, a fan fixedly arranged on one side of the heat exchange air box and a condensed water collecting tank fixedly arranged at the bottom of the heat exchange air box; a hot flue gas access port is formed at the top of the heat exchange air box and communicated with the upper end of the heat exchange tube bundle; the air outlet end of the fan is communicated with the inside of the heat exchange air box, and a hot air outlet is formed in the other side of the heat exchange air box; the lower end of the heat exchange tube bundle is communicated with the interior of the condensed water collecting tank; and a cold smoke outlet is formed at the top of the condensed water collecting tank. The utility model has the advantages that: the generation of visible white smoke can be effectively reduced, and the visual pollution is further reduced; the separated condensate water is collected to a condensate water collecting tank so as to be reused, and the purpose of saving water resources can be achieved.

Description

A mix wind air cooler for fog dispersal

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of heat exchange equipment, in particular to an air mixing air cooler for fog dissipation.

[ background of the utility model ]

In the production process of a continuous casting machine in a steel plant, secondary cold water is sprayed to the surface of a casting blank to take away the heat of the casting blank, so that the liquid core in the casting blank is gradually solidified to form a solid continuous casting blank within the designed metallurgical length of the continuous casting machine. The sprayed secondary cooling water meets the high-temperature casting blank to generate steam which is gathered in a secondary cooling chamber of the continuous casting machine, and the steam is pumped and exhausted to the atmosphere on the top of the factory building through a steam exhaust induced draft fan. The discharge port of the discharge chimney can cause a large amount of visible white smoke under the condition of low air temperature or high air humidity, thereby influencing the plant landscape and causing visual pollution. In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.

[ Utility model ] content

The utility model aims to provide an air mixing air cooler for fog dissipation, which can perform white dissipation treatment on visible white smoke generated by a discharge chimney under the condition of low air temperature or high air humidity.

The utility model is realized by the following steps: a mixed air cooler for fog dissipation comprises a heat exchange air box, a heat exchange tube bundle arranged in the heat exchange air box, a fan fixedly arranged on one side of the heat exchange air box and a condensate water collecting tank fixedly arranged at the bottom of the heat exchange air box; a hot flue gas access port is formed at the top of the heat exchange air box and communicated with the upper end of the heat exchange tube bundle; the air outlet end of the fan is communicated with the inside of the heat exchange air box, and a hot air outlet is formed in the other side of the heat exchange air box; the lower end of the heat exchange tube bundle is communicated with the interior of the condensed water collecting tank; and a cold smoke outlet is formed at the top of the condensed water collecting tank.

Further, a water collector is arranged at the cold flue gas outlet; the water collector comprises a water collector outer shell and two or more than two water collecting baffles arranged in the water collector outer shell, the water collecting baffles of each layer are fixedly connected together through connecting rods, and a cold flue gas passageway is formed between every two adjacent water collecting baffles on the same connecting rod.

Furthermore, each water receiving baffle comprises a vertical baffle, a first inclined baffle and a water receiving hook which are sequentially connected together from bottom to top; and the vertical baffle is provided with a serial through hole for the connecting rod to pass through.

Furthermore, the condensed water header tank extends outwards at one side corresponding to the hot air outlet and is provided with an extension part, and the cold flue gas outlet is arranged at the top of the extension part.

Furthermore, an air and flue gas mixing channel is formed on the outer side of the hot air outlet of the heat exchange air box, and the hot air outlet and the cold flue gas outlet are communicated with the air and flue gas mixing channel.

Furthermore, a condensed water connecting pipe communicated with the inside of the condensed water collecting tank is arranged outside the condensed water collecting tank.

Further, the device also comprises a hot smoke discharge connecting pipe; the hot flue gas discharge connecting pipe is communicated with the upper end of the heat exchange pipe bundle through the hot flue gas access port.

Furthermore, the heat exchange tube bundle is formed by a plurality of bimetallic finned tubes.

Further, a fan mesh enclosure is arranged at the air inlet of the fan.

Further, the fan is an axial flow fan.

By adopting the technical scheme of the utility model, the utility model has the following beneficial effects:

1. by adopting the air mixing cooler designed by the utility model, hot flue gas is fed into the upper end of the heat exchange tube bundle from the hot flue gas inlet, and meanwhile, the fan is started to feed external cold air into the heat exchange air box from one side of the heat exchange air box; in the process that hot flue gas is conveyed downwards from the upper end of the heat exchange tube bundle, external cold air is sent to the other side of the heat exchange air box from one side of the heat exchange air box and exchanges heat with the hot flue gas in the heat exchange tube bundle; after heat exchange, external cold air is heated into hot air and is discharged from a hot air outlet on the other side of the heat exchange air box, the temperature of hot flue gas in the heat exchange tube bundle can be reduced to form cold flue gas, and as a large amount of water vapor is contained in the high-temperature hot flue gas, condensed water can be separated out in the process of cooling the hot flue gas, and the separated condensed water is collected to a condensed water collecting tank to be reused, so that the aim of saving water resources can be fulfilled, and the cold flue gas after heat exchange is discharged from the cold flue gas outlet; because a large amount of condensed water can be separated out from hot flue gas in the heat exchange process, the discharged cold flue gas is relatively dry, the generation of visible white smoke can be effectively reduced, and the visual pollution is further reduced. Meanwhile, the air mixing cooler is simple and light in structure, can be conveniently hoisted, and is particularly suitable for being installed and used in steel structures of continuous casting plants.

2. The water collector is arranged at the position of the cold flue gas outlet, so that the cold flue gas subjected to heat exchange and cooling can be further dewatered, the discharged cold flue gas is ensured to be drier, and a large amount of visible white smoke can be effectively prevented from being produced under the condition of low air temperature or high air humidity. Meanwhile, the water collecting baffle plate of the water collector comprises a vertical baffle plate, a first inclined baffle plate and a water collecting hook part which are sequentially connected together from bottom to top, so that the water collecting effect of the whole water collector can be effectively improved, the loss of cooling water is reduced, and the aim of saving water resources is fulfilled; and receive water hook portion can effectively promote the intensity of receiving the water baffle, guarantees to receive the hydrophone and is difficult to damage.

3. Form air flue gas mixing passage through the outside at heat transfer bellows, and make hot air export and cold flue gas export all be linked together with air flue gas mixing passage, make the dry hot-air that the heat transfer back temperature risees and the cold flue gas that the heat transfer back temperature reduces directly mix in air flue gas mixing passage 13, with the temperature and the relative humidity of the air that reduce to discharge away, reduce the difference in temperature with ambient temperature, thereby guarantee that the air that finally discharges away can not produce white smog almost, avoid causing audio-visual pollution.

[ description of the drawings ]

The utility model will be further described with reference to the following examples with reference to the accompanying drawings.

FIG. 1 is a side view of an air cooler for dissipating fog according to the present invention;

FIG. 2 is a front view of an air cooler for dissipating fog according to the present invention;

FIG. 3 is a top view of an air cooler for dissipating fog according to the present invention;

FIG. 4 is a schematic view showing the use state of the air cooler according to the present invention;

FIG. 5 is a side view of the water collector of the present invention;

FIG. 6 is a front view of the water receiving baffle of the present invention;

fig. 7 is a side view of the water collecting baffle of the present invention.

Description of reference numerals:

100-air mixing air cooler;

1-heat exchange air box, 11-hot flue gas inlet, 12-hot air outlet, 13-air flue gas mixing channel and 2-heat exchange tube bundle;

3-a fan, 31-a fan shell, 32-fan blades, 33-a driving motor and 34-a fan mesh enclosure;

4-a condensed water collecting tank, 41-a cold flue gas outlet, 42-an extending part and 43-a condensed water connecting pipe;

5-water collector, 51-water collector outer shell, 52-water collecting baffle, 521-vertical baffle, 5211-series through hole, 522-inclined baffle, 523-water collecting hook part, 5231-second inclined baffle, 5232-circular arc plate, 5233-third inclined baffle, 53-connecting rod and 54-cold flue gas passageway;

6-hot smoke discharging connecting pipe.

[ detailed description ] embodiments

For a better understanding of the technical aspects of the present invention, reference will now be made in detail to the embodiments of the present invention, which are illustrated in the accompanying drawings.

Referring to fig. 1 to 7, in a preferred embodiment of an air mixing air cooler 100 for fog dissipation according to the present invention, the air mixing air cooler 100 includes a heat exchange air box 1, a heat exchange tube bundle 2 installed in the heat exchange air box 1, a fan 3 fixed at one side of the heat exchange air box 1, and a condensed water collecting tank 4 fixed at the bottom of the heat exchange air box 1; a hot flue gas access port 11 is formed at the top of the heat exchange air box 1, and the hot flue gas access port 11 is communicated with the upper end of the heat exchange tube bundle 2; the air outlet end of the fan 3 is communicated with the inside of the heat exchange air box 1, and a hot air outlet 12 is formed in the other side of the heat exchange air box 1; the lower end of the heat exchange tube bundle 2 is communicated with the interior of the condensed water collecting tank 4; the top of the condensed water collecting tank 4 is formed with a cold flue gas outlet 41.

When the air mixing cooler 100 works, hot flue gas (the hot flue gas in the utility model specifically refers to steam generated when sprayed secondary cold water meets high-temperature casting blanks) is sent to the upper end of the heat exchange tube bundle 2 from the hot flue gas inlet 11, and meanwhile, the fan 3 is started to send external cold air into the heat exchange air box 1 from one side of the heat exchange air box 1; in the process that hot flue gas is conveyed downwards from the upper end of the heat exchange tube bundle 2, external cold air is conveyed to the other side of the heat exchange air box 1 from one side of the heat exchange air box 1 and exchanges heat with the hot flue gas in the heat exchange tube bundle 2; after heat exchange, external cold air is heated into hot air and is discharged from a hot air outlet 12 on the other side of the heat exchange air box 1, the temperature of hot flue gas in the heat exchange tube bundle 2 can be reduced to form cold flue gas (namely, steam is cooled to separate out gas with condensed water), and as the high-temperature hot flue gas contains a large amount of water vapor, condensed water can be separated out in the process of cooling the hot flue gas, and the separated condensed water is collected to a condensed water collecting tank 4 to be recycled, so that the aim of saving water resources can be achieved, and the cold flue gas after heat exchange is discharged through a cold flue gas outlet 41; because a large amount of condensed water can be separated out from hot flue gas in the heat exchange process, the discharged cold flue gas is relatively dry, the generation of visible white smoke can be effectively reduced, and the visual pollution is further reduced. Meanwhile, the air mixing air cooler 100 is simple and light in structure, can be conveniently hoisted, and is particularly suitable for being installed and used in steel structures of continuous casting plants.

In the embodiment of the present invention, a water collector 5 is arranged at the cold flue gas outlet 41; the water collector 5 comprises a water collector outer shell 51 and two or more layers of water collecting baffles 52 arranged in the water collector outer shell 51, the water collecting baffles 52 of each layer are fixedly connected together through a connecting rod 53, and a cold flue gas passageway 54 is formed between two adjacent water collecting baffles 52 on the same connecting rod 53. The water collector 5 is arranged at the position of the cold flue gas outlet 41, so that the cold flue gas subjected to heat exchange and cooling can be further dewatered, the discharged cold flue gas is ensured to be drier, and a large amount of visible white smoke can be effectively prevented from being produced under the condition of low air temperature or high air humidity.

In the embodiment of the present invention, each of the water receiving baffles 52 includes a vertical baffle 521, a first inclined baffle 522, and a water receiving hook 523, which are sequentially connected together from bottom to top; the vertical baffle 521 is provided with a serial through hole 5211 for the connecting rod 53 to pass through. By adopting the water receiving baffle 52, when cold flue gas passes through the vertical baffle 521 and enters the first inclined baffle 522, the cold flue gas can turn and collide with the surface of the first inclined baffle 522, so that moisture in the cold flue gas is attached to the water receiving baffle 52; when cold flue gas passes through the first inclined baffle 522 and enters the water receiving hook 523, a large part of cold flue gas enters the water receiving hook 523 and is discharged out by winding a circle due to the existence of the water receiving hook 523, and the cold flue gas fully contacts and collides with the inner wall of the water receiving hook 523 in the process, so that most of moisture in the cold flue gas is blocked by the water receiving hook 523, the humidity of the discharged cold flue gas can be effectively reduced, and the dryness of the cold flue gas is ensured; therefore, by adopting the structural design of the water collecting baffle plate 52, the water collecting effect of the whole water collector 5 can be effectively improved, the loss of cooling water is reduced, and the purpose of saving water resources is achieved; receive water hook portion 523 simultaneously and can effectively promote the intensity of receiving water baffle 52, guarantee to receive hydrophone 5 and be difficult to damage.

When the utility model is implemented specifically, the directions of the water collecting baffles 52 of the adjacent upper and lower layers are opposite, and the vertical baffle 521 of the water collecting baffle 52 positioned on the upper layer is positioned right above the water collecting hook 523 of the water collecting baffle 52 on the lower layer, so that the cold flue gas enters the upper layer from the lower layer to be continuously dewatered.

In the embodiment of the present invention, the water collecting hook 523 includes a second inclined barrier 5231 fixedly connected to an upper end of the first inclined barrier 522, an arc plate 5232 fixedly connected to an upper end of the second inclined barrier 5231 and folded back in an outward reverse direction, and a third inclined barrier 5233 fixedly connected to a folded back end of the arc plate 5232. In practical implementation, a gap is formed between the second inclined baffle 5231 and the third inclined baffle 5233, so that the cold flue gas passing through the first inclined baffle 522 can enter the inside of the water collecting hook 523 through the gap, and then exit from the gap and be discharged outwards.

In the embodiment of the present invention, an angle α between the second inclined barrier 5231 and the third inclined barrier 5233 is 15 ° to 24 °. If the included angle α between the second inclined baffle 5231 and the third inclined baffle 5233 is too large, the gap between two adjacent water receiving hooks 523 becomes small, which may affect the outward discharge of the cold flue gas; if the included angle α between the second inclined baffle 5231 and the third inclined baffle 5233 is too small, the cold flue gas is not favorably fed into the inside of the water collecting hook 523, and the water collecting effect is further reduced; after a large number of tests, the included angle α between the second inclined baffle 5231 and the third inclined baffle 5233 is set to be 15-24 °, specifically, any one of angles of 15 °, 16 °, 17 °, 18 °, 19 °, 20 °, 21 °, 22 °, 23 °, and 24 ° can be adopted, so that the cold flue gas can conveniently enter the inside of the water receiving hook 523, and the cold flue gas can conveniently be discharged outwards. Preferably, the angle α between the second inclined baffle 5231 and the third inclined baffle 5233 is 19 °.

In the embodiment of the utility model, in order to achieve a better water retaining effect and facilitate smooth passage of cold flue gas, an included angle β between the vertical baffle 521 and the first inclined baffle 522 is 130 ° to 140 °, and specifically, any one of angles 130 °, 131 °, 132 °, 133 °, 134 °, 135 °, 136 °, 137 °, 138 °, 139 ° and 140 ° may be adopted. Preferably, the angle β between the vertical baffle 521 and the first inclined baffle 522 is 135 °.

In the embodiment of the utility model, the water collecting baffle plate 52 is made of a stainless steel plate, so that the stainless steel plate is prevented from rusting and is not easy to damage in the using process.

In the embodiment of the present invention, the condensed water header tank 4 is provided with an extension portion 42 extending outward at a side corresponding to the hot air outlet 12, and the cold flue gas outlet 41 is provided at the top of the extension portion 42. By arranging the cold flue gas outlet 41 at the top of the extension 42, both the discharge of cold flue gas is facilitated and the overflow of condensed water can be avoided.

In the embodiment of the utility model, the heat exchange wind box 1 is provided with an air-flue gas mixing channel 13 at the outer side of the hot air outlet 12, and the hot air outlet 12 and the cold flue gas outlet 41 are both communicated with the air-flue gas mixing channel 13. Form air flue gas mixing channel 13 through the outside at heat transfer bellows 1, and make hot air outlet 12 and cold flue gas outlet 41 all be linked together with air flue gas mixing channel 13, make the dry hot-air that the temperature riseed after the heat transfer and the cold flue gas that the temperature reduces after the heat transfer directly mix in air flue gas mixing channel 13, with the temperature and the relative humidity of the air that reduce to discharge away, reduce the difference in temperature with ambient temperature, thereby guarantee that the air that finally discharges away can not produce white smog almost, avoid causing audio-visual pollution.

In the embodiment of the present invention, a condensate connection pipe 43 is disposed outside the condensate collecting tank 4 and is communicated with the inside of the condensate collecting tank 4, so as to send the condensate collected in the condensate collecting tank 4 to be recycled.

In an embodiment of the present invention, the air-mixed air cooler 100 further comprises a hot flue gas discharge connection pipe 6; the hot flue gas discharge connecting pipe 6 is communicated with the upper end of the heat exchange pipe bundle 2 through the hot flue gas access port 11, so that high-temperature hot flue gas generated by the continuous casting machine is conveyed to the inside of the air mixing air cooler 100 for heat exchange, and condensate water is separated out from the high-temperature hot flue gas.

In the embodiment of the utility model, in order to realize better heat exchange effect and make high-temperature hot flue gas separate out condensed water better, the heat exchange tube bundle 2 is a heat exchange tube bundle composed of a plurality of bimetallic finned tubes (not shown); the bimetallic finned tube is a composite tube formed by compositely rolling metal tubes made of two different materials, such as a copper-aluminum composite tube, a steel-aluminum composite tube and the like.

In the embodiment of the present invention, the fan 3 includes a fan housing 31 fixedly disposed outside one side of the heat exchange wind box 1, a fan blade 32 disposed in the fan housing 31, and a driving motor 33 connected to the fan blade 32 for driving the fan blade 32 to rotate. During operation, drive fan blade 32 through driving motor 33 and rotate, fan blade 32 can be with inside of outside cold air suction to heat transfer bellows 1 at rotatory in-process to the realization carries out the heat transfer with the hot flue gas in the heat exchanger tube bank 2.

In the embodiment of the present invention, a fan mesh enclosure 34 is disposed at the air inlet of the fan 3, so as to prevent dust, impurities, etc. in the air from entering the heat exchange air box 1 along with the cold air, and to prevent the air flow in the heat exchange air box 1 from being blocked to affect the heat exchange effect.

In the embodiment of the present invention, in order to better suck the external cold air into the heat exchange wind box 1, the fan 3 is an axial flow fan.

Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.

Claims (10)

1. The utility model provides a mix wind air cooler for fog dispersal which characterized in that: the heat exchange air box comprises a heat exchange air box, a heat exchange tube bundle arranged in the heat exchange air box, a fan fixedly arranged on one side of the heat exchange air box and a condensed water collecting tank fixedly arranged at the bottom of the heat exchange air box; a hot flue gas access port is formed at the top of the heat exchange air box and communicated with the upper end of the heat exchange tube bundle; the air outlet end of the fan is communicated with the inside of the heat exchange air box, and a hot air outlet is formed in the other side of the heat exchange air box; the lower end of the heat exchange tube bundle is communicated with the interior of the condensed water collecting tank; and a cold smoke outlet is formed at the top of the condensed water collecting tank.

2. The air cooler for defogging according to claim 1, wherein: a water collector is arranged at the cold flue gas outlet; the water collector comprises a water collector outer shell and two or more than two water collecting baffles arranged in the water collector outer shell, the water collecting baffles of each layer are fixedly connected together through connecting rods, and a cold flue gas passageway is formed between every two adjacent water collecting baffles on the same connecting rod.

3. The air cooler for defogging according to claim 2, wherein: each water receiving baffle comprises a vertical baffle, a first inclined baffle and a water receiving hook which are sequentially connected together from bottom to top; and the vertical baffle is provided with a serial through hole for the connecting rod to pass through.

4. The air cooler for defogging according to claim 1, wherein: the condensed water collecting tank is provided with an extension part extending outwards at one side corresponding to the hot air outlet, and the cold flue gas outlet is arranged at the top of the extension part.

5. The air cooler for defogging according to claim 4, wherein: an air-smoke mixing channel is formed on the outer side of the hot air outlet of the heat exchange air box, and the hot air outlet and the cold smoke outlet are communicated with the air-smoke mixing channel.

6. The air cooler for defogging according to claim 1, wherein: and a condensed water connecting pipe communicated with the inside of the condensed water collecting tank is arranged outside the condensed water collecting tank.

7. The air cooler for defogging according to claim 1, wherein: the hot flue gas emission connecting pipe is also included; the hot flue gas discharge connecting pipe is communicated with the upper end of the heat exchange pipe bundle through the hot flue gas access port.

8. The air cooler for defogging according to claim 1, wherein: the heat exchange tube bundle is composed of a plurality of bimetallic finned tubes.

9. The air cooler for defogging according to claim 1, wherein: and a fan mesh enclosure is arranged at the air inlet of the fan.

10. The air cooler for defogging according to claim 1, wherein: the fan is an axial flow fan.

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