CN215486664U

CN215486664U - Centrifugal fire-fighting smoke exhaust fan

Info

Publication number: CN215486664U
Application number: CN202120943565.9U
Authority: CN
Inventors: 丁文杰
Original assignee: Jiangsu Tms Refrigeration Equipment Co ltd
Current assignee: Jiangsu Tms Refrigeration Equipment Co ltd
Priority date: 2021-05-02
Filing date: 2021-05-02
Publication date: 2022-01-11
Anticipated expiration: 2031-05-02

Abstract

The utility model discloses a centrifugal fire-fighting smoke exhaust fan which comprises a fan main body, a cooling mechanism and a filtering mechanism, wherein the cooling mechanism comprises an air draft tube, heat exchange tubes fixed in the inner cavity of the air draft tube, at least three spray heads fixed at the other end of each heat exchange tube, a cooling plate fixed at the opening at the left side of the air draft tube, a backflow inclined plate arranged on the inner wall of the cooling plate and a water draining strip connected to the tail end of the cooling plate. According to the utility model, cooling water is sprayed to the inner cavity of the cooling plate through the spray head to spray and cool flue gas, meanwhile, when the flue gas passes through the cooling plate, evaporation of residual water liquid on the water draining strips is accelerated, so that heat in the flue gas is taken away, and the cooling effect is achieved.

Description

Centrifugal fire-fighting smoke exhaust fan

Technical Field

The utility model relates to the field of fire fighting equipment, in particular to a centrifugal fire fighting smoke exhaust fan.

Background

In order to ensure the life safety of people in large buildings and the production safety requirements of industrial and mining enterprises, the fire-fighting smoke exhaust fan becomes indispensable safety equipment; to the demand of discharging fume of airing exhaust of different distances, decided that fire control smoke exhaust fan needs different wind pressure, to the demand of the amount of airing exhaust of different workplaces, decided that fire control smoke exhaust fan needs different amount of wind. Generally, an axial flow fan: the airflow enters the impeller of the fan axially, flowing approximately on a cylindrical surface in the axial direction. Such fans include axial fans, axial blowers, and axial compressors. A centrifugal fan: the airflow enters the impeller of the fan axially and then mainly flows along the radial direction. Such fans are made according to the principle of centrifugation, products including centrifugal ventilators, centrifugal blowers and centrifugal compressors. Compared with an axial flow fan, the centrifugal fan can generally generate larger wind pressure and is more suitable for long-distance wind transmission.

The existing centrifugal fire-fighting smoke exhaust fan is high in smoke temperature generated by fire disasters, so that the temperature of the fan is easily increased in the emission process, the fan is easily damaged after long-time use, and the current use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

centrifugal fire control smoke exhaust fan, including fan main part, cooling mechanism and filtering mechanism, cooling mechanism includes the induced draft section of thick bamboo, is fixed in the heat exchange tube of induced draft section of thick bamboo inner chamber, is fixed in the heat exchange tube other end, and quantity is three shower nozzle at least, is fixed in the cooling plate of induced draft section of thick bamboo left side opening part, sets up at the terminal waterlogging caused by excessive rainfall strip of connection at the cooling plate of refluence swash plate of cooling plate inner wall, filtering mechanism with cooling mechanism links to each other.

Preferably, the filtering mechanism comprises a water storage tank, a filter screen arranged in the inner cavity of the water storage tank, a rotary table connected to the left side of the filter screen, a motor fixed on the water storage tank, a convex shaft fixed at the output end of the motor and a connecting rod hinged between the rotary table and the convex shaft.

Preferably, the filtering mechanism further comprises a water pump fixed at the bottom of the inner cavity of the filtering mechanism and a water pipe connected to the water pump, and the other end of the water pipe is connected with the heat exchange pipe.

Preferably, the number of the backflow sloping plates is at least five, and an air inlet groove is formed between every two adjacent backflow sloping plates.

Preferably, the heat exchange tube is spiral in shape, and one end of the heat exchange tube extends to the inner cavity of the cooling plate.

Preferably, the bottom of the cooling plate is connected with a water collecting hopper, and the water collecting hopper is connected with the water storage tank.

Preferably, the bottom of the inner cavity of the water storage tank is provided with a refrigerating sheet.

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

1. according to the utility model, cooling water is sprayed to the inner cavity of the cooling plate through the spray head to spray and cool flue gas, meanwhile, when the flue gas passes through the cooling plate, evaporation of residual water liquid on the water draining strips is accelerated, so that heat in the flue gas is taken away, and the cooling effect is achieved.

2. According to the utility model, when the cooling liquid flows back into the water storage tank, impurities in the cooling liquid are filtered through the filter screen, so that the impurities are prevented from entering the water pump to influence the work of the water pump, the motor drives the convex shaft to rotate, the rotary disc is driven to circularly swing, and the filter screen is driven to circularly shake, so that the effect of preventing the impurities from blocking the filter screen is achieved.

Drawings

FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A according to one embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a cooling plate according to an embodiment of the present invention

Fig. 4 is a schematic structural diagram of a turntable according to an embodiment of the present invention.

Reference numerals:

100. a fan main body;

200. a cooling mechanism; 201. a draught tube; 202. a heat exchange pipe; 203. a spray head; 204. a cooling plate; 205. a flow guiding sloping plate; 206. draining strips;

300. a filtering mechanism; 301. a water storage tank; 302. a filter screen; 303. a turntable; 304. a motor; 305. a protruding shaft; 306. a connecting rod; 307. a water pump; 308. a water pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The centrifugal fire-fighting smoke exhaust fan provided by some embodiments of the utility model is described below with reference to the attached drawings.

The first embodiment is as follows:

referring to fig. 1, 2 and 3, the centrifugal fire-fighting smoke exhaust fan provided by the utility model comprises a fan main body 100, a cooling mechanism 200 and a filtering mechanism 300, wherein the cooling mechanism 200 comprises an air draft tube 201, a heat exchange tube 202 fixed in the inner cavity of the air draft tube 201, at least three nozzles 203 fixed at the other end of the heat exchange tube 202, a cooling plate 204 fixed at the opening at the left side of the air draft tube 201, a backflow inclined plate 205 arranged on the inner wall of the cooling plate 204 and a draining bar 206 connected to the tail end of the cooling plate 204, and the filtering mechanism 300 is connected with the cooling mechanism 200.

Specifically, current fire control fan is when discharging fume, because the flue gas is produced by the burning, lead to the high temperature of flue gas, the fan is at the in-process of discharging fume, receive the flue gas influence easily, lead to the fan high temperature, lead to the fan to damage even, cooling water flows in heat exchange tube 202, spray the inner chamber to cooling plate 204 through shower nozzle 203, this in-process, the flue gas enters into in cooling plate 204, cooling water is guided to waterlogging caused by excessive rainfall strip 206 by refluence swash plate 205, remain on waterlogging caused by excessive rainfall strip 206, after spraying the flue gas, the evaporation of remaining coolant liquid on the waterlogging caused by excessive rainfall strip 206 is quickened in the flue gas flow, thereby reach the effect of cooling down to the flue gas.

The quantity of refluence swash plate 205 is five at least, all is provided with the inlet duct between per two adjacent refluence swash plate 205 for the flue gas can be dispersed through a plurality of inlet ducts and be opened, thereby increases the area of cooling water and flue gas contact, further improves the cooling effect to the flue gas.

The heat exchange tube 202 is spiral in shape, the contact area between the heat exchange tube 202 and the flue gas can be increased, and further the heat exchange efficiency is improved, one end of the heat exchange tube 202 extends to the inner cavity of the cooling plate 204, so that cooling liquid is conveyed to the inner cavity of the cooling plate 204 through the heat exchange tube 202 and then is sprayed out through the spray head 203, and therefore the flue gas is sprayed.

Example two:

in the above embodiment, as shown in fig. 1 and 4, the filtering mechanism 300 includes a water tank 301, a filtering net 302 disposed in an inner cavity of the water tank 301, a rotating disc 303 connected to a left side of the filtering net 302, a motor 304 fixed to the water tank 301, a protruding shaft 305 fixed to an output end of the motor 304, and a connecting rod 306 connected between the rotating disc 303 and the protruding shaft 305, wherein the connecting rod 306 is hinged to the rotating disc 303 and the protruding shaft 305.

Specifically, when the cooling water flows back to in the water storage tank 301, need filter the cooling water of retrieving, and the filter screen is when using for a long time, impurity is piled up on the filter screen, cause the filter screen to block up easily, thereby lose filterable effect, it is rotatory to drive protruding axle 305 through motor 304, will connect the connecting rod 306 circulation of connecting between carousel 303 and protruding axle 305 and carry out the push-and-pull, drive carousel 303 cyclic oscillation, and then make filter screen 302 cyclic oscillation, thereby effectively prevent that impurity from plugging up the filtration pore of filter screen 302.

The filtering mechanism 300 further comprises a water pump 307 fixed at the bottom of the inner cavity of the filtering mechanism 300 and a water pipe 308 connected to the water pump 307, the other end of the water pipe 308 is connected with the heat exchange pipe 202, the bottom of the cooling plate 204 is connected with a water collecting hopper which is connected with the water storage tank 301, a refrigerating sheet is arranged at the bottom of the inner cavity of the water storage tank 301, cooling water in the water storage tank 301 is pumped by the water pump 307 and is guided into the heat exchange pipe 202 by the water pipe 308, so that heat replaced by the heat exchange pipe 202 is taken away, the cooling water flows into the water collecting hopper along the inner cavity of the cooling plate 204 after being sprayed, then flows back into the water storage tank 301 again, and the recovered cooling water is cooled by the refrigerating sheet.

The working principle and the using process of the utility model are as follows: when the cooling water circulation type smoke cooler is used, cooling water is pumped into the heat exchange tube 202 through the water pump 307 and sprayed to the inner cavity of the cooling plate 204 through the spray head 203 on the heat exchange tube 202, the cooling water flows inside the cooling plate 204, when smoke passes through the cooling plate 204, the cooling water can cool the smoke, meanwhile, the smoke flowing can accelerate the evaporation of residual cooling liquid on the water draining strip 206 and absorb heat in the smoke, so that the effect of quickly cooling the smoke is achieved, when the smoke passes through the heat exchange tube 202, the heat exchange tube 202 replaces the residual heat in the smoke and takes away the residual heat through the flowing of the cooling water, so that the effect of secondary cooling is achieved, when the cooling water flows to the bottom of the cooling plate 204, the cooling water is collected by the water collecting hopper and is drained into the water storage tank 301, the cooling water is filtered through the filter screen 302 in the water storage tank 301, the motor 304 drives the convex shaft 305 to rotate, and the connecting rod 306 connected between the rotary disc 303 and the convex shaft 305 is pushed and pulled circularly, the turntable 303 is driven to circularly swing, so that the filter screen 302 circularly swings, and the effect of preventing the filter screen 302 from being blocked is achieved.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and encompass, for example, a fixed connection, a removable connection, or an integral connection, and a connection may be a direct connection or an indirect connection via intermediate media. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. Centrifugal fire control smoke exhaust fan, its characterized in that includes:

a fan main body (100);

the cooling mechanism (200) comprises an air draft tube (201), heat exchange tubes (202) fixed in the inner cavity of the air draft tube (201), at least three spray heads (203) fixed at one end of the heat exchange tubes (202), a cooling plate (204) fixed at the opening at the left side of the air draft tube (201), backflow inclined plates (205) arranged on the inner wall of the cooling plate (204) and draining strips (206) connected to the tail ends of the cooling plate (204);

the filtering mechanism (300), the filtering mechanism (300) is connected with the cooling mechanism (200).

2. The centrifugal fire-fighting smoke exhaust fan as recited in claim 1, wherein the filtering mechanism (300) comprises a water storage tank (301), a filter screen (302) arranged in the inner cavity of the water storage tank (301), a rotary disc (303) connected to the left side of the filter screen (302), a motor (304) fixed on the water storage tank (301), a convex shaft (305) fixed on the output end of the motor (304), and a connecting rod (306) hinged between the rotary disc (303) and the convex shaft (305).

3. The centrifugal fire-fighting smoke exhaust fan as recited in claim 2, wherein the filtering mechanism (300) further comprises a water pump (307) fixed at the bottom of the inner cavity of the filtering mechanism (300) and a water pipe (308) connected to the water pump (307), and the other end of the water pipe (308) is connected to the heat exchange pipe (202).

4. The centrifugal fire-fighting smoke exhaust fan as recited in claim 3, wherein the number of the backflow sloping plates (205) is at least five, and an air inlet groove is arranged between every two adjacent backflow sloping plates (205).

5. The centrifugal fire and smoke exhaust fan as recited in claim 1 wherein said heat exchange tube (202) is spiral in shape and one end of the heat exchange tube (202) extends to the inner cavity of the cooling plate (204).

6. Centrifugal fire and smoke exhaust fan according to claim 1, wherein a water collecting hopper is connected to the bottom of the cooling plate (204), and the water collecting hopper is connected to the water storage tank (301).

7. The centrifugal fire-fighting smoke exhaust fan as recited in claim 2, wherein a refrigeration sheet is arranged at the bottom of the inner cavity of the water storage tank (301).