CN221033364U

CN221033364U - Fire control smoke exhaust fan

Info

Publication number: CN221033364U
Application number: CN202322714840.1U
Authority: CN
Inventors: 余卫; 陈灿; 赵存生
Original assignee: Wuhan Huasheng Cooling And Heating Equipment Co ltd
Current assignee: Wuhan Huasheng Cooling And Heating Equipment Co ltd
Priority date: 2023-10-10
Filing date: 2023-10-10
Publication date: 2024-05-28
Anticipated expiration: 2033-10-10

Abstract

The utility model discloses a fire-fighting smoke exhaust fan, which comprises an outer cover, wherein a smoke exhaust mechanism is arranged in the outer cover, a water spraying mechanism is arranged outside the outer cover, a protective cover is arranged outside the water spraying mechanism, and a filtering mechanism is arranged at one end of the outer cover; the utility model mainly uses a water spraying mechanism arranged on the fire-fighting smoke exhaust fan to absorb harmful particles in indoor smoke dust, when in use, the water pump is turned on, water pumped by the water pump is sent to the annular water pipe through the water inlet pipe, the water passing through the annular water pipe is transported to the L-shaped water pipe, and then the spray nozzle arranged at one end of the L-shaped water pipe can spray water mist.

Description

Fire control smoke exhaust fan

Technical Field

The utility model relates to the technical field of fire protection, in particular to a fire-fighting smoke exhaust fan.

Background

The fire-fighting smoke exhaust fan is special equipment for a fire-fighting smoke exhaust system, and has the main effects of exhausting the smoke in a building outdoors in a forced air supply and exhaust mode when fire holes occur, so as to ensure the smoothness of a personnel evacuation channel.

Through retrieving, chinese patent application number 202210593510.9 discloses a fire control smoke exhaust fan, including the fan dryer, the front end of fan dryer is provided with preceding fender grid, the inside of fan dryer is located the rear of preceding fender grid and is provided with self-cleaning device, the inner wall fixed mounting of fan dryer has driving motor, the inside of fan dryer is located the rear of fan blade and is provided with the knocking device. The invention discloses a fire-fighting smoke exhaust fan, which belongs to the field of fans, wherein in the opening state of the fan, a cleaning cotton brush can brush along the surface of a front baffle grille to reduce the trouble that dust in smoke adheres to the surface of the front baffle grille, and a circular brush block brushes along the inner wall of the front part of a fan dryer, so that dust cleaned by the cleaning cotton brush can be prevented from accumulating in the fan dryer, and after the cleaning cotton brush is used for a long time and worn, the cleaning cotton brush is flexibly disassembled and assembled, so that the cleaning cotton brush is convenient to replace subsequently, and a good cleaning effect on the front baffle grille can be ensured.

However, the device has certain defects that the device can discharge smoke and can clean dust brought in by the fan in the device, so that the device has better use effect when in use, but harmful impurity particles contained in the smoke cannot be cleaned, the harmful particles are possibly inconvenient to be discharged cleanly when the smoke is discharged to the outside by the fire-fighting smoke discharging fan, a part of indoor air possibly remains, and when people move indoors, the part of air containing the harmful particles can be sucked into the body and is harmful to the body, so that the fire-fighting smoke discharging fan needs to be designed to solve the problem that the harmful particles possibly cannot be discharged cleanly when the smoke is discharged to the outside by the fire-fighting smoke discharging fan.

Disclosure of utility model

The utility model aims to provide a fire-fighting smoke exhaust fan, which is characterized in that a water spraying mechanism is arranged on the fire-fighting smoke exhaust fan to absorb harmful particles in indoor smoke dust, when the fire-fighting smoke exhaust fan is used, a water pump is turned on, water pumped out by the water pump is sent to an annular water pipe through a water inlet pipe, water passing through the annular water pipe is conveyed to an L-shaped water pipe, and a spray nozzle arranged at one end of the L-shaped water pipe can spray water mist.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fire-fighting smoke exhaust fan comprises an outer cover, a smoke exhaust mechanism is arranged in the outer cover, a water spraying mechanism is arranged outside the outer cover, a protective cover is arranged outside the water spraying mechanism, and a filtering mechanism is arranged at one end of the outer cover;

The water spraying mechanism comprises an annular water pipe, the annular water pipe is sleeved between a protective cover and an outer cover, one side of the annular water pipe is communicated with a plurality of water pipes at equal angles, the water pipes are arranged in parallel, the water pipes are all arranged between the protective cover and the outer cover, one ends of the water pipes are all communicated with L-shaped water pipes, and the spray nozzles are all arranged at one ends of the L-shaped water pipes.

Preferably, the smoke exhausting mechanism comprises a protection box, a motor is arranged in the protection box, a rotating shaft is arranged at the output end of the motor, and an impeller is arranged at one end of the rotating shaft penetrating through the protection box.

Preferably, the filtering mechanism comprises an annular frame, the annular frame is arranged on the inner wall of the air inlet of the outer cover, the filter screens are arranged at two ends of the inner wall of the annular frame, four fixing sheets are arranged at equal angles at one end of the annular frame, through holes are formed in the four fixing sheets, and the four fixing sheets are arranged on the inner surface of the outer cover through locking bolts penetrating through the through holes.

Preferably, the lower extreme of safety cover is installed the supporting shoe, the outside of safety cover and dustcoat all is scribbled thermal-insulated coating.

Preferably, the connecting rods are arranged on four corners of the lower end of the protection box, and one ends of the four connecting rods are fixedly arranged on the inner wall of the outer cover.

Preferably, a plurality of heat dissipation holes are formed in the upper end and the lower end of the protection box, and dust screens are mounted at the upper end and the lower end of the protection box.

Preferably, the other side of the annular water pipe is communicated with a water inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model mainly absorbs harmful particles in indoor smoke dust by installing a water spraying mechanism on the fire-fighting smoke exhaust fan, when the fire-fighting smoke exhaust fan is used, the water pump is turned on, water pumped by the water pump is sent to the annular water pipe through the water inlet pipe, water passing through the annular water pipe is transported to the L-shaped water pipe, and then a spray nozzle arranged at one end of the L-shaped water pipe can spray water mist.

2. The water spraying mechanism arranged outside the outer cover can absorb residual harmful particles in a room, the effect of cooling the inside of the outer cover can be achieved, the temperature of the motor can be increased inevitably when the motor works, the temperature can be higher and higher along with the working time, the use of the fire-fighting smoke exhaust fan can be influenced, and because the water pipes are uniformly distributed outside the outer cover, when the water spraying mechanism sprays water, water in the water pipes is continuously flowed, and the water in the water pipes is cooled indirectly to the inside of the outer cover.

Drawings

FIG. 1 is a schematic diagram of a fire-fighting smoke exhaust fan;

FIG. 2 is a schematic view of a water spray mechanism according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the fire smoke exhaust blower of the present utility model;

FIG. 4 is a schematic cross-sectional view of a filter mechanism of the present utility model.

In the figure: 1. a protective cover; 2. a support block; 3. an outer cover; 4. a filtering mechanism; 401. an annular frame; 402. a filter screen; 403. a fixing piece; 404. a locking bolt; 5. an annular water pipe; 6. a water pipe; 7. a spray nozzle; 8. an L-shaped water pipe; 9. a protection box; 10. a rotating shaft; 11. an impeller; 12. a connecting rod; 13. and the heat dissipation holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the fire-fighting smoke exhaust fan comprises an outer cover 3, a smoke exhaust mechanism is arranged in the outer cover 3, a water spraying mechanism is arranged outside the outer cover 3, a protective cover 1 is arranged outside the water spraying mechanism, and a filtering mechanism 4 is arranged at one end of the outer cover 3;

The water spraying mechanism comprises an annular water pipe 5, the annular water pipe 5 is sleeved between a protective cover 1 and an outer cover 3, one side of the annular water pipe 5 is communicated with a plurality of water pipes 6 at equal angles, a plurality of water pipes 6 are arranged in parallel, a plurality of water pipes 6 are all arranged between the protective cover 1 and the outer cover 3, one ends of the water pipes 6 are all communicated with an L-shaped water pipe 8, and a plurality of spray nozzles 7 are all arranged at one ends of the L-shaped water pipes 8.

The smoke exhaust mechanism comprises a protection box 9, a motor is arranged in the protection box 9, a rotating shaft 10 is arranged at the output end of the motor, an impeller 11 is arranged at one end of the rotating shaft 10 in a penetrating mode through the protection box 9, when the smoke exhaust mechanism is used, the motor is started, the motor can drive the rotating shaft 10 arranged at the output end to rotate, the rotating shaft 10 rotates to enable the impeller 11 arranged on the rotating shaft 10 to rotate, and indoor smoke can be exhausted to the outside through rotation of the impeller 11.

The filtering mechanism 4 comprises an annular frame 401, the annular frame 401 is arranged on the inner wall of an air inlet of the outer cover 3, filter screens 402 are respectively arranged at two ends of the inner wall of the annular frame 401, four fixing plates 403 are arranged at one end of the annular frame 401 at equal angles, through holes are respectively formed in the four fixing plates 403, the four fixing plates 403 are respectively arranged on the inner surface of the outer cover 3 through the through holes by locking bolts 404, the filtering mechanism 4 is used for filtering harmful impurity particles contained in smoke dust, the harmful impurity particles contained in the smoke dust can be adsorbed onto the filter screens 402, the effect of removing the harmful impurity particles contained in the smoke dust is achieved, and the harmful impurity particles contained in the smoke dust are prevented from being discharged along with the smoke dust and polluting the surrounding environment.

The supporting shoe 2 is installed to the lower extreme of safety cover 1, and the outside of safety cover 1 and dustcoat 3 all scribbles thermal-insulated coating, and when the conflagration took place, indoor temperature can rise, and thermal-insulated coating can have certain thermal-insulated effect to fire control exhaust fan, prevents that the temperature from being too high, influences fire control exhaust fan's use.

The connecting rods 12 are all installed on four corners of the lower end of the protection box 9, one ends of the four connecting rods 12 are fixedly installed on the inner wall of the outer cover 3, the connecting rods 12 enable the protection box 9 to be stable, and the protection box 9 can be prevented from shaking when the impeller 11 rotates.

The upper end and the lower extreme of guard box 9 have all been seted up a plurality of louvres 13, and the dust screen is all installed to guard box 9 upper end and lower extreme, and the motor can generate heat at the during operation, can distribute away the heat that the motor produced through louvre 13, prevents that the motor from overheated and damaging.

The other side of the annular water pipe 5 is communicated with a water inlet pipe which is used for connecting an external water source and supplying water to the annular water pipe 5.

When the novel water pump is used, the motor and the water pump are started, the motor can drive the rotating shaft 10 installed at the output end to rotate, the rotating shaft 10 rotates to enable the impeller 11 installed on the rotating shaft 10 to rotate, indoor smoke can be discharged to the outside through the rotation of the impeller 11, when the water pump works, water pumped out by the water pump is sent to the annular water pipe 5 through the water inlet pipe, water passing through the annular water pipe 5 is transported to the L-shaped water pipe 8, then the spray nozzle installed at one end of the L-shaped water pipe 8 can spray out water mist, the sprayed water mist floats indoors, and as the water mist particles are of micron-sized, the novel water pump is very fine and can adsorb impurities in the air, and then the indoor residual harmful particles are absorbed by the water mist, and finally the water mist absorbing the harmful particles can fall to the ground, can not float in the air to be absorbed by a human body during breathing, and further endanger the health of the human body.

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

Claims

1. The utility model provides a fire control smoke exhaust fan, includes dustcoat (3), its characterized in that: a smoke exhausting mechanism is arranged in the outer cover (3), a water spraying mechanism is arranged outside the outer cover (3), a protective cover (1) is arranged outside the water spraying mechanism, and a filtering mechanism (4) is arranged at one end of the outer cover (3);

The water spraying mechanism comprises an annular water pipe (5), the annular water pipe (5) is sleeved between a protective cover (1) and an outer cover (3), one side of the annular water pipe (5) is communicated with a plurality of water pipes (6) at equal angles, the water pipes (6) are arranged in parallel, the water pipes (6) are all arranged between the protective cover (1) and the outer cover (3), one ends of the water pipes (6) are all communicated with an L-shaped water pipe (8), and the spray nozzles (7) are all arranged at one ends of the L-shaped water pipes (8).

2. The fire smoke evacuation fan of claim 1, wherein: the smoke exhaust mechanism comprises a protection box (9), a motor is arranged in the protection box (9), a rotating shaft (10) is arranged at the output end of the motor, and an impeller (11) is arranged at one end of the rotating shaft (10) penetrating through the protection box (9).

3. The fire smoke evacuation fan of claim 2, wherein: the filter mechanism (4) comprises an annular frame (401), the annular frame (401) is arranged on the inner wall of an air inlet of the outer cover (3), filter screens (402) are arranged at two ends of the inner wall of the annular frame (401), four fixing plates (403) are arranged at equal angles at one end of the annular frame (401), through holes are formed in the four fixing plates (403), and the four fixing plates (403) are arranged on the inner surface of the outer cover (3) through locking bolts (404) penetrating through the through holes.

4. A fire smoke evacuation fan according to claim 3, wherein: the lower extreme of safety cover (1) is installed supporting shoe (2), the outside of safety cover (1) and dustcoat (3) all scribbles thermal-insulated coating.

5. The fire protection and smoke evacuation fan according to claim 4, wherein: connecting rods (12) are arranged at four corners of the lower end of the protection box (9), and one ends of the four connecting rods (12) are fixedly arranged on the inner wall of the outer cover (3).

6. The fire protection and smoke evacuation fan according to claim 5, wherein: the upper end and the lower end of the protection box (9) are provided with a plurality of heat dissipation holes (13), and the upper end and the lower end of the protection box (9) are provided with dust screens.

7. The fire protection and smoke evacuation fan according to claim 6, wherein: the other side of the annular water pipe (5) is communicated with a water inlet pipe.