CN210919498U - Centrifugal fire-fighting smoke-discharging fan box - Google Patents
Centrifugal fire-fighting smoke-discharging fan box Download PDFInfo
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- CN210919498U CN210919498U CN201921590149.4U CN201921590149U CN210919498U CN 210919498 U CN210919498 U CN 210919498U CN 201921590149 U CN201921590149 U CN 201921590149U CN 210919498 U CN210919498 U CN 210919498U
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Abstract
The utility model relates to the technical field of fan equipment, in particular to a centrifugal fire-fighting smoke-discharging fan box; comprises a fixed bracket, a fan box body and a driving motor; one end of the fan box body is provided with an air outlet, and the other end of the fan box body is provided with an air inlet; the centrifugal machine inner cylinder is in a volute shape, a fan impeller is arranged in the centrifugal machine inner cylinder, and the power output end of the driving motor is connected with a rotating shaft of the fan impeller through a transmission belt; a wheel disc is arranged on the outer side of the inner barrel of the centrifugal machine, a rotating shaft of the fan impeller is connected with the wheel disc through a fixing column, blades are riveted on the outer side of the wheel disc, and the blades are in a thin plate arc shape; four corners of the fixed bracket are provided with shock-proof devices; through simple structure, not only improved the volume of airing exhaust, can protect the security of self moreover, not only can reduce the noise, can filter air moreover, prevent environmental pollution.
Description
Technical Field
The utility model relates to a fan equipment technical field especially relates to a centrifugal fire control fan case of discharging fume.
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.
At present, the air exhaust volume of a centrifugal fire-fighting smoke exhaust fan box is not large enough; when the self-ignition is on fire, the safety of the fan can not be ensured; the centrifugal fire-fighting smoke-discharging fan box usually generates larger operation stress in the working process, so that larger vibration is generated, and the working noise is very large; and when the air is changed, if harmful gas is contained in the room, the environment pollution can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a centrifugal fire control fan case that discharges fume.
The utility model provides a technical scheme that its technical problem adopted is:
a centrifugal fire-fighting smoke-discharging fan box is constructed, and comprises a fixed support, a fan box body arranged on the fixed support and a driving motor arranged on the fixed support; one end of the fan box body is provided with an air outlet, and the other end of the fan box body is provided with an air inlet; the centrifugal machine inner cylinder is of a volute shape, a fan impeller is arranged in the centrifugal machine inner cylinder, and the power output end of the driving motor is connected with a rotating shaft of the fan impeller through a transmission belt; a wheel disc is arranged on the outer side of the inner cylinder of the centrifuge, a rotating shaft of the fan impeller is connected with the wheel disc through a fixing column, blades are riveted on the outer side of the wheel disc and are in a thin plate arc shape, a protective cover for protecting a transmission belt is further arranged on the outer side of the fan box body, and a plurality of observation holes are formed in the side face of the protective cover; four corners of the fixed support are respectively provided with a shock-proof device, and each shock-proof device comprises a spring seat and a plurality of shock-absorbing springs arranged on the spring seat; one end of the damping spring is connected with the spring seat in an abutting mode, the other end of the damping spring is connected with the fixed support in an abutting mode, and a plurality of supporting rods for supporting the fixed support are further arranged on the spring seat.
Centrifugal fire control fan case of discharging fume, wherein, the air outlet play is equipped with filter equipment, filter equipment includes HEPA filter core board, active carbon filter core board to and be used for fixing fixed bolster on the fan box body, the fixed bolster pass through the bolt with the connection can be dismantled to the fan box body.
Centrifugal fire control fan case of discharging fume, wherein, the lateral wall of fan box body has included outer panel and inner plating, is equipped with the soundproof warehouse with the cotton inner liner of noise elimination on the inner wall of outer panel between cotton inner liner of noise elimination and the inner plating.
Centrifugal fire control fan case of discharging fume, wherein, the area of air intake is greater than the air outlet area.
Centrifugal fire control fan case of discharging fume, wherein, the lower extreme of spring holder is fixed and is equipped with vacuum chuck.
Centrifugal fire control fan case of discharging fume, wherein, still be equipped with the whistle box in the fan box body.
The centrifugal fire-fighting smoke-discharging fan box of the utility model is characterized in that a 15-25mm gap is arranged between the front end of the fan impeller and the inside of the fan box body.
Centrifugal fire control fan case of discharging fume, wherein, the fan box body adopts fire-retardant fire prevention sandwich panel.
The beneficial effects of the utility model reside in that:
(1) the problem of air exhaust amount is improved by reasonably setting and optimizing the structure of the blades;
(2) by adding the fire-fighting device, fire-fighting foam is sprayed out to achieve the effects of extinguishing fire and reducing temperature when the temperature of the centrifugal fire-fighting smoke exhaust fan box is too high, so that the safety of the centrifugal fire-fighting smoke exhaust fan box is improved;
(3) by arranging the anti-vibration device, when the fixed bracket vibrates, the deformation of the damping spring plays a role in supporting the fixed bracket, so that the fixed bracket is prevented from frequently colliding with the ground, and the noise generated during working is reduced;
(4) by arranging the protective cover, the effects of preventing dust and protecting the transmission belt can be achieved, and the internal operation condition can be observed through the observation hole;
(5) by adding the filtering device, when air is required to be filtered, the air filtering device can be installed, and environmental pollution is avoided.
Through simple structure, not only improved the volume of airing exhaust, can protect the security of self moreover, not only can the noise reduction, can filtered air moreover prevents environmental pollution to the transmission belt is all installed outside the fan box, and it is all very convenient to overhaul the change.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
FIG. 1 is a front view of a centrifugal fire smoke exhaust fan box according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of the inner barrel of the centrifuge;
FIG. 3 is a side view of a centrifugal fire protection and smoke exhaust fan box according to a preferred embodiment of the present invention;
FIG. 4 is a schematic structural view of a side wall of the fan box;
the device comprises a fan box body 11, an outer side plate 111, a silencing cotton inner lining layer 112, a sound insulation bin 113, an inner layer plate 114, a fixing support 12, a shockproof device 121, a vacuum sucker 122, an air inlet 13, an air outlet 14, an air outlet, a driving motor 21, a transmission belt 211, a protective cover 22, a centrifugal machine inner cylinder 31, a rotating shaft 32, a blade 33 and a fixing column 34.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A centrifugal fire-fighting smoke-discharging fan box of the preferred embodiment of the present invention, as shown in fig. 1-3, comprises a fixed bracket 12, a fan box body 11 arranged on the fixed bracket 12, and a driving motor 21 arranged on the fixed bracket 12; one end of the fan box body 11 is provided with an air outlet 14, and the other end is provided with an air inlet 13; the centrifugal machine inner cylinder 31 and the fire fighting device are arranged inside the fan box body 11, the driving motor 21 is installed outside the fan box body 11, and the driving motor 21 cannot be communicated with oil smoke in the fan box body 11 when being started, so that fire prevention is facilitated; the fire fighting device comprises a foam nozzle and a temperature sensor, wherein the temperature sensor is a WL142 type-1 type temperature sensor, the inner barrel 31 of the centrifugal machine is in a volute shape, a fan impeller is arranged in the inner barrel 31 of the centrifugal machine, and the power output end of the driving motor 21 is connected with a rotating shaft 32 of the fan impeller through a transmission belt 211; a wheel disc is arranged on the outer side of the centrifuge inner cylinder 31, a rotating shaft 32 of the fan impeller is connected with the wheel disc through a fixing column 34, a blade 33 is riveted on the outer side of the wheel disc, the blade 33 is in a thin plate arc shape, a protective cover 22 for protecting the transmission belt 211 is further arranged on the outer side of the fan box body 11, and a plurality of observation holes are formed in the side surface of the protective cover 22; four corners of the fixed support 12 are provided with shock-proof devices 121, and each shock-proof device 121 comprises a spring seat and a plurality of shock-absorbing springs arranged on the spring seat; one end of the damping spring is abutted with the spring seat, the other end of the damping spring is abutted with the fixed support 12, and a plurality of support rods for supporting the fixed support 12 are further arranged on the spring seat; the structure of the blades 33 is reasonably arranged and optimized, so that the problem of air exhaust amount is solved; by adding the fire-fighting device, fire-fighting foam is sprayed out to achieve the effects of extinguishing fire and reducing temperature when the temperature of the centrifugal fire-fighting smoke exhaust fan box is too high, so that the safety of the centrifugal fire-fighting smoke exhaust fan box is improved; by arranging the shockproof device 121, when the fixed bracket 12 shakes, the deformation of the shock absorption spring can support the fixed bracket 12, so that frequent collision between the fixed bracket 12 and the ground is avoided, and the noise generated during working is reduced; by arranging the protective cover 22, not only can the functions of preventing dust and protecting the transmission belt 211 be realized, but also the internal operation condition can be observed through the observation hole; through simple structure, not only improved the volume of airing exhaust, can protect the security of self moreover, not only can the noise reduction, can filtered air moreover prevents environmental pollution to transmission belt 211 is all installed outside fan box 11, and it is all very convenient to overhaul the change.
In addition, the air outlet 14 of the utility model is provided with a filtering device, the filtering device comprises an HEPA filter core plate, an active carbon filter core plate and a fixed support 12 fixed on the fan box body 11, and the fixed support 12 is detachably connected with the fan box body 11 through bolts; when air needs to be filtered, the air filtering device can be installed, most harmful particulate matters in the air are removed through an HEPA filter core plate, peculiar smell molecules in the air are removed through an active carbon filter core plate, and the obtained clean air is discharged outdoors; by adding the filtering device, the environmental pollution is avoided.
As shown in fig. 4, the side wall of the fan box body 11 includes an outer side plate 111 and an inner plate 114, a sound-absorbing cotton lining layer 112 is attached to the inner wall of the outer side plate 111, and a sound-insulating cabin 113 is arranged between the sound-absorbing cotton lining layer 112 and the inner plate 114; the box body adopts the design of the silencing cotton lining and the sound insulation bin 113, so that the intensity of noise is reduced in the running process of the fan.
In addition, the area of the air inlet 13 of the utility model is larger than that of the air outlet 14; the exhaust volume of the equipment is improved conveniently.
As shown in fig. 1, a vacuum chuck 122 is fixedly arranged at the lower end of the spring seat; the centrifugal fire-fighting smoke-discharging fan box is convenient to be fixed on the ground stably.
In addition, a sound deadening box is also arranged in the fan box body 11 of the utility model; facilitating further noise reduction.
In addition, a 15-25mm gap is arranged between the front end of the fan impeller and the inside of the fan box body 11; is convenient for improving the air exhaust effect and reducing the noise generated by operation.
In addition, the fan box body 11 of the utility model adopts a flame-retardant fireproof sandwich plate; the fire resistance and the safety of the fan box body 11 are improved conveniently.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (8)
1. A centrifugal fire-fighting smoke-discharging fan box is characterized by comprising a fixed bracket, a fan box body arranged on the fixed bracket and a driving motor arranged on the fixed bracket; one end of the fan box body is provided with an air outlet, and the other end of the fan box body is provided with an air inlet; the centrifugal machine inner cylinder is of a volute shape, a fan impeller is arranged in the centrifugal machine inner cylinder, and the power output end of the driving motor is connected with a rotating shaft of the fan impeller through a transmission belt; a wheel disc is arranged on the outer side of the inner cylinder of the centrifuge, a rotating shaft of the fan impeller is connected with the wheel disc through a fixing column, blades are riveted on the outer side of the wheel disc and are in a thin plate arc shape, a protective cover for protecting a transmission belt is further arranged on the outer side of the fan box body, and a plurality of observation holes are formed in the side face of the protective cover; four corners of the fixed support are respectively provided with a shock-proof device, and each shock-proof device comprises a spring seat and a plurality of shock-absorbing springs arranged on the spring seat; one end of the damping spring is connected with the spring seat in an abutting mode, the other end of the damping spring is connected with the fixed support in an abutting mode, and a plurality of supporting rods for supporting the fixed support are further arranged on the spring seat.
2. The centrifugal fire-fighting smoke exhaust fan box of claim 1 wherein the outlet is provided with a filter device comprising a HEPA filter plate, an activated carbon filter plate, and a fixing bracket for fixing to the fan box body, the fixing bracket being detachably connected to the fan box body by bolts.
3. The centrifugal fire-fighting smoke-exhausting fan box of claim 1, wherein the side wall of the fan box body comprises an outer side plate and an inner plate, a silencing cotton lining layer is attached to the inner wall of the outer side plate, and a sound-insulating cabin is arranged between the silencing cotton lining layer and the inner plate.
4. The centrifugal fire smoke exhaust fan box of claim 1, wherein the area of the air inlet is larger than the area of the air outlet.
5. The centrifugal fire smoke exhaust fan box of claim 1, wherein a vacuum chuck is fixedly disposed at a lower end of the spring seat.
6. The centrifugal fire and smoke protection fan box of claim 1, wherein a sound deadening box is further provided in the fan box body.
7. The centrifugal fire smoke exhaust fan box of claim 1 wherein a 15-25mm clearance is provided between the front end of the fan impeller and the inside of the fan box body.
8. The centrifugal fire smoke exhaust fan box of any one of claims 1-7 in which the fan box body is a fire retardant fire resistant sandwich panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921590149.4U CN210919498U (en) | 2019-09-24 | 2019-09-24 | Centrifugal fire-fighting smoke-discharging fan box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921590149.4U CN210919498U (en) | 2019-09-24 | 2019-09-24 | Centrifugal fire-fighting smoke-discharging fan box |
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| Publication Number | Publication Date |
|---|---|
| CN210919498U true CN210919498U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921590149.4U Active CN210919498U (en) | 2019-09-24 | 2019-09-24 | Centrifugal fire-fighting smoke-discharging fan box |
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| CN (1) | CN210919498U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344484A (en) * | 2020-11-04 | 2021-02-09 | 周艳梅 | Special centrifugal fan of fire control passageway |
| WO2022028141A1 (en) * | 2020-08-05 | 2022-02-10 | 洲洲机电股份有限公司 | Fire-fighting smoke exhaust fan based on rotary filtering and automatic cleaning |
-
2019
- 2019-09-24 CN CN201921590149.4U patent/CN210919498U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022028141A1 (en) * | 2020-08-05 | 2022-02-10 | 洲洲机电股份有限公司 | Fire-fighting smoke exhaust fan based on rotary filtering and automatic cleaning |
| CN112344484A (en) * | 2020-11-04 | 2021-02-09 | 周艳梅 | Special centrifugal fan of fire control passageway |
| CN112344484B (en) * | 2020-11-04 | 2022-02-01 | 河北骞海鼓风机有限公司 | Special centrifugal fan of fire control passageway |
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