CN219570372U - High-temperature fire-fighting smoke exhaust fan - Google Patents

Abstract

The utility model discloses a high-temperature fire-fighting smoke exhaust fan, which comprises an air duct, wherein a bracket is arranged in the air duct, a thermal insulation sleeve is arranged on the bracket, a driving motor is arranged in the thermal insulation sleeve, an output shaft of the driving motor penetrates through one end of the thermal insulation sleeve and is fixedly connected with fan blades, heat extraction pipes penetrating through the air duct are fixedly communicated with two sides of the thermal insulation sleeve, an air inducing groove is formed in one end, far away from the fan blades, of the inner wall of the air duct, a filtering piece and a cooling assembly are arranged in the air inducing groove, and an air supply pipeline is arranged between the air inducing groove and the thermal insulation sleeve. The utility model avoids the direct contact of the smoke and the driving motor through the heat-insulating sleeve, simultaneously the heat-discharging pipe can timely discharge the heat in the heat-insulating sleeve, the service life is prolonged, and after part of the smoke enters the induced air groove, the smoke can be filtered and cooled, then enters the heat-insulating sleeve through the air supply pipeline and is blown to the driving motor, thereby avoiding the heat accumulation in the heat-insulating sleeve and having good heat-radiating effect.

Description

High-temperature fire-fighting smoke exhaust fan

Technical Field

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

Background

Fire-fighting smoke-discharging systems are generally arranged in densely populated areas of public buildings, and smoke-discharging fans are generally arranged in smoke-discharging pipelines in the smoke-discharging systems and used for timely discharging smoke when fire disasters occur.

The prior patent publication number is: CN213870361U, the name of this patent is "a fire-fighting fan that discharges fume that can be used to high temperature environment", including the dryer, fixed mounting has the installing support in the dryer, fixed mounting has driving motor on the installing support, driving motor's output end fixed mounting has the flabellum, dryer surface mounting has the insulating layer, dryer one end edge fixed mounting has the installation stabilizer blade, install No. two screws on the installation stabilizer blade, insulating layer surface is located installation stabilizer blade department and installs heat insulation mechanism, the installation opening has been seted up on the insulating layer surface, insulating layer inboard surface is equipped with fixed screw, screw thread mounting has No. three screws on the dryer inner wall, be located No. three screw department pad on the dryer inner wall and be equipped with the anticreep gasket, the through-hole has been seted up on the dryer inner wall. The utility model discloses a smoke exhaust fire-fighting fan capable of being used in a high-temperature environment, belongs to the field of fire-fighting fans, and can improve the high-temperature resistance of the fan.

Among the above-mentioned prior art, when the flue gas when the dryer, can directly strike on the motor in the dryer, if the motor is continuous during operation direct contact with the flue gas always, lead to in the flue gas heat conduction to the motor easily, the motor is operation under high temperature environment all the time, and life can obviously shorten.

Disclosure of Invention

The utility model aims to provide a high-temperature fire-fighting smoke exhaust fan so as to solve the defects in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the high-temperature fire-fighting smoke exhaust fan comprises an air duct, wherein a support is arranged in the air duct, a thermal insulation sleeve is arranged on the support, a driving motor is arranged in the thermal insulation sleeve, an output shaft of the driving motor penetrates through one end of the thermal insulation sleeve and is fixedly connected with fan blades, heat extraction pipes penetrating through the air duct are fixedly communicated with two sides of the thermal insulation sleeve, an air introduction groove is formed in one end, far away from the fan blades, of the inner wall of the air duct, a filtering piece and a cooling assembly are arranged in the air introduction groove, and an air supply pipeline is arranged between the air introduction groove and the thermal insulation sleeve.

Preferably, the filter element comprises a smoke filter screen clamped at the notch of the induced air groove, and one side of the smoke filter screen is provided with a ventilation filter plate in the induced air groove.

Preferably, the cooling component comprises radiating fins annularly distributed on the outer side of the air duct and a heat absorbing plate embedded in the air inducing groove, the heat absorbing plate is connected with the radiating fins, and ventilation holes are densely distributed on the heat absorbing plate.

Preferably, one end of the thermal insulation sleeve, which is close to the fan blade, is conical.

Preferably, the installation ring is fixedly embedded in the thermal insulation sleeve, the driving motor is clamped in the installation ring, and a gap is reserved between the driving motor and the thermal insulation sleeve.

Preferably, the heat discharging pipe and the air supply pipeline are positioned on the same horizontal plane.

The utility model provides a high-temperature fire-fighting smoke exhaust fan. The beneficial effects are as follows:

this high temperature fire control exhaust fan separates the flue gas through thermal-insulated sleeve, and direct and driving motor contact when avoiding the flue gas to pass through the dryer, thermal-insulated sleeve utilizes heat pipe and external intercommunication simultaneously, can in time discharge the heat in the thermal-insulated sleeve, avoids driving motor to run under high temperature environment for a long time, increase of service life to after partial flue gas gets into the induced air groove, can filter and the cooling is handled, gets into thermal-insulated sleeve by the air supply pipeline afterwards, blows to driving motor, avoids the heat gathering in the thermal-insulated sleeve, the radiating effect is good.

Drawings

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

fig. 2 is a schematic structural diagram of a high-temperature fire-fighting smoke exhaust fan provided by the utility model;

FIG. 3 is a cross-sectional view of the high-temperature fire-fighting smoke exhaust fan provided by the utility model;

fig. 4 is a schematic diagram of the internal structure of the air inducing groove in the high-temperature fire-fighting smoke exhaust fan.

Legend description:

1. an air duct; 2. a bracket; 3. a thermal sleeve; 301. a heat discharging pipe; 302. a mounting ring; 4. a driving motor; 401. a fan blade; 5. an induced draft slot; 6. a filter; 601. a flue gas filter screen; 602. a gas-permeable filter plate; 7. a cooling component; 701. a heat radiation fin; 702. a heat absorbing plate; 703. a vent hole; 704. a convex ring; 8. and an air supply pipeline.

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.

Referring to fig. 1-4, the high temperature fire protection smoke exhaust fan, including dryer 1, the flange of being connected with exhaust pipe is installed at dryer 1 both ends, install support 2 in the dryer 1, install thermal-insulated sleeve 3 on the support 2, install driving motor 4 in the thermal-insulated sleeve 3, driving motor 4 is in the positive central position of dryer 1, driving motor 4 output shaft runs through thermal-insulated sleeve 3's one end and fixedly connected with flabellum 401, driving motor 4 drive flabellum 401 high-speed rotation, let the flue gas pass through dryer 1 fast, thermal-insulated sleeve 3 both sides all fixedly communicate have the heat extraction pipe 301 that runs through dryer 1, heat in the thermal-insulated sleeve 3 is discharged to the external world through heat extraction pipe 301, avoid thermal-insulated sleeve 3 in the heat gathering excessively high, prevent driving motor 4 to operate under high temperature environment for a long time, increase of life, the one end that fan blade 401 was kept away from to the dryer 1 inner wall is equipped with induced air groove 5, be equipped with filter 6 and cooling module 7 in induced air groove 5, and be equipped with air duct 8 between induced air groove 5 and the thermal-insulated sleeve 3, some flue gas can get into induced air groove 5 when passing through dryer 1, carry out filtration and then carry out filtration and processing in induced air groove 5 and pipeline 3, the heat dissipation effect is blown by heat in the thermal-insulated sleeve 3 is avoided to the thermal-insulated sleeve 3, cooling effect is good.

In a further technical scheme of the utility model, the filter element 6 comprises a smoke filter screen 601 which is clamped at the notch of the induced air groove 5, a ventilation filter plate 602 is arranged in the induced air groove 5 on one side of the smoke filter screen 601, smoke can sequentially pass through the smoke filter screen 601 and the ventilation filter plate 602, dust and particulate matters in the smoke are filtered, and the dust is prevented from blocking the air supply pipeline 8 and the heat exhaust pipe 301.

In a further technical scheme of the utility model, the cooling component 7 comprises radiating fins 701 annularly distributed on the outer side of the air duct 1 and a heat absorbing plate 702 embedded in the induced air groove 5, wherein a convex ring 704 with the same inner opening is arranged among the plurality of radiating fins 701, the heat absorbing plate 702 penetrates through the air duct 1 and is attached to the inner wall of the convex ring 704, the heat absorbing plate 702 is connected with the radiating fins 701, ventilation holes 703 are densely distributed on the heat absorbing plate 702, the filtered air flow can absorb heat by the heat absorbing plate 702 when passing through the ventilation holes 703, and then the absorbed heat is rapidly diffused by the radiating fins 701, so that the heat dissipation efficiency is further improved.

In a further technical scheme of the utility model, one end of the thermal insulation sleeve 3, which is close to the fan blade 401, is conical, so that the smoothness of smoke circulation is improved, and the discharge of smoke is accelerated.

In a further technical scheme of the utility model, the installation ring 302 is fixedly embedded in the thermal insulation sleeve 3, the driving motor 4 is clamped in the installation ring 302, a gap is reserved between the driving motor 4 and the thermal insulation sleeve 3, the reserved gap is convenient for air flow in the thermal insulation sleeve 3, and the heat of the thermal insulation sleeve 3 is prevented from being directly transferred to the driving motor 4.

In a further technical scheme of the utility model, the heat exhaust pipe 301 and the air supply pipeline 8 are positioned on the same horizontal plane, so that the space layout is more reasonable, and the influence of the additionally arranged pipeline on the normal emission of the smoke is avoided as much as possible.

During the use, the flange of being connected with exhaust duct is installed at dryer 1 both ends, install the exhaust fan in exhaust system's pipeline, after driving motor 4 operation, driving motor 4 drive flabellum 401 high-speed rotation, let the flue gas pass through dryer 1 fast, heat in the heat-proof sleeve 3 is discharged to the external world through heat-proof tube 301, avoid heat accumulation in the heat-proof sleeve 3 too high, prevent inside driving motor 4 to operate under high temperature environment for a long time, increase of service life, and part flue gas can get into induced air groove 5 when passing dryer 1, filter and cool down in induced air groove 5 afterwards, the flue gas can pass through flue gas filter screen 601 and ventilative filter plate 602 in proper order, and then carry out filtration to dust and particulate matter in the flue gas, avoid the dust to block up air supply pipeline 8 and heat extraction tube 301, can be absorbed by the absorber plate 702 when the air current after the filtration passes through ventilation hole 703, then heat radiation fin 701 will absorb the heat again fast diffusion, further improve the radiating efficiency, get into heat-proof sleeve 3 by air supply pipeline 8 again, and blow to driving motor 4, heat accumulation in heat-proof sleeve 3, the inside air current and the heat-proof sleeve 3 circulation good.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. High temperature fire control smoke exhaust fan, including dryer (1), its characterized in that:

a support (2) is arranged in the air duct (1), a thermal insulation sleeve (3) is arranged on the support (2), a driving motor (4) is arranged in the thermal insulation sleeve (3), an output shaft of the driving motor (4) penetrates through one end of the thermal insulation sleeve (3) and is fixedly connected with fan blades (401), and heat discharging pipes (301) penetrating through the air duct (1) are fixedly communicated with two sides of the thermal insulation sleeve (3);

one end of the inner wall of the air duct (1) far away from the fan blade (401) is provided with an air inducing groove (5), a filter (6) and a cooling component (7) are arranged in the air inducing groove (5), and an air supply pipeline (8) is arranged between the air inducing groove (5) and the heat insulation sleeve (3).

2. The high-temperature fire-fighting smoke exhaust fan according to claim 1, wherein the filter element (6) comprises a smoke filter screen (601) clamped at the notch of the air guiding groove (5), and a ventilation filter plate (602) is arranged on one side of the smoke filter screen (601) in the air guiding groove (5).

3. The high-temperature fire-fighting smoke exhaust fan according to claim 1, wherein the cooling component (7) comprises radiating fins (701) annularly distributed on the outer side of the air duct (1) and a heat absorbing plate (702) embedded in the air inducing groove (5), the heat absorbing plate (702) is connected with the radiating fins (701), and ventilation holes (703) are densely distributed on the heat absorbing plate (702).

4. The high-temperature fire smoke exhaust fan according to claim 1, wherein one end of the heat insulation sleeve (3) close to the fan blade (401) is conical.

5. The high-temperature fire-fighting smoke exhaust fan according to claim 1, wherein a mounting ring (302) is fixedly embedded in the heat-insulating sleeve (3), the driving motor (4) is clamped in the mounting ring (302), and a gap is reserved between the driving motor (4) and the heat-insulating sleeve (3).

6. The high temperature fire smoke evacuation fan according to claim 1, wherein the heat extraction pipe (301) and the air supply duct (8) are on the same horizontal plane.