CN220059953U

CN220059953U - Axial-flow type fire-fighting smoke exhaust fan with noise reduction structure

Info

Publication number: CN220059953U
Application number: CN202321500313.4U
Authority: CN
Inventors: 唐徐飞
Original assignee: Sichuan Shulong Air Conditioning And Purification Equipment Co ltd
Current assignee: Sichuan Shulong Air Conditioning And Purification Equipment Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-11-21
Anticipated expiration: 2033-06-13

Abstract

The utility model relates to the technical field of smoke exhaust fans, and discloses an axial-flow type fire-fighting smoke exhaust fan with a noise reduction structure; noise sound waves diffused along with smoke in the exhaust funnel are blocked through the partition plate, the smoke in the air flow can pass through the partition plate through the through holes, meanwhile, the noise sound waves are counteracted and converted into heat through the glass fiber plate, and the arrangement that the smoke in the air flow is discharged together is followed, so that the direct noise reduction of the smoke flowing direction is realized, the work of a fan can be reduced, and meanwhile, the noise of the smoke in the air flow during the exhaust can be reduced; through the smog when opening the fan through the filter screen, its inside suspended particulate matter can be filtered by the filter screen, and harmful substance can be by the absorptive setting of active carbon, reached and filtered the back at the exhaust function to smog to reduce the influence to the air environment after the smog discharges.

Description

Axial-flow type fire-fighting smoke exhaust fan with noise reduction structure

Technical Field

The utility model relates to the technical field of smoke exhaust fans, in particular to an axial flow type fire-fighting smoke exhaust fan with a noise reduction structure.

Background

The axial-flow type fire-fighting fan is an industrial fan capable of running for a long time under a high temperature condition, and the equipment is provided with a communication interface, so that the running data of the fan can be collected in real time to realize the control of the industrial safety in all aspects;

the utility model of China with the current publication number of CN216767809U discloses an axial-flow type fire-fighting smoke exhaust fan with a noise reduction structure, which comprises a fixed plate, a positioning hole and a rotary handle, wherein a connecting plate is arranged at the bottom of the fixed plate; the positioning holes are formed in the corners of the connecting plate, and bottom angle bolts are arranged in the positioning holes; the rotary handle is fixed at the top of the base angle bolt, and a contact end is fixedly arranged at the bottom of the rotary handle; huang Youcao, it is opened in contact end side terminal surface, contact end bottom fixed mounting has the screw tooth end. The utility model provides an axial-flow type fire control smoke exhaust fan with structure of making an uproar falls in order to change the easy drawback that the collision of fixing bolt silk tooth end and side plate piece caused because there is unavoidable structural clearance when making an uproar fan of making an uproar falls in prior art when fixed mounting, the utility model provides an axial-flow type fire control smoke exhaust fan with structure of making an uproar falls, through the use of reasonable accessory and the design of optimum structure, effectively solve the noise problem that axial-flow fan was operated;

the existing axial-flow type fire-fighting fan generates certain noise in use, the main source of the noise is vibration generated when the fan works so as to collide with other objects, the general solution is that the fan is separated from the places contacted with other objects by gaskets, but part of noise waves can be outwards spread through smoke flow in the mode, and the noise reduction effect of the axial-flow type fire-fighting fan is limited; in addition, the existing axial-flow type fire-fighting fan can directly discharge indoor smoke outdoors, and the method has relatively large influence on the outdoor air environment, particularly, some plastic and paper products can be burnt in a fire disaster, so that the smoke contains a large amount of suspended and settled particles and harmful substances, and therefore, the axial-flow type fire-fighting smoke-discharging fan with the noise-reducing structure is provided.

Disclosure of Invention

The utility model aims at providing an axial flow type fire-fighting smoke exhaust fan with a noise reduction structure aiming at the existing device, and has the advantages of directly reducing the noise of the flowing direction of smoke and filtering the smoke and then discharging the smoke.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides an axial-flow type fire control smoke exhaust fan with structure of making an uproar falls, includes the aiutage, one side of aiutage inner chamber is provided with the fan, the top and the bottom of fan all fixedly connected with the support of aiutage welding, the top and the bottom of aiutage inner chamber opposite side all weld the baffle, open the inside of baffle has the through-hole, the internally mounted of aiutage has the glass fiber board with baffle and through-hole cooperation use; the exhaust pipe is characterized in that a connecting barrel is arranged on one side, close to the fan, of the exhaust pipe, a sliding sleeve is connected with the connecting barrel through internal threads, a filter screen is arranged in the sliding sleeve, and activated carbon is arranged in the filter screen.

The technical scheme is adopted: noise sound waves diffused along with smoke in the exhaust funnel are blocked through the partition plate, the smoke in the air flow can pass through the partition plate through the through holes, meanwhile, the noise sound waves are counteracted and converted into heat through the glass fiber plate, and the arrangement that the smoke in the air flow is discharged together is followed, so that the direct noise reduction of the smoke flowing direction is realized, the work of a fan can be reduced, and meanwhile, the noise of the smoke in the air flow during the exhaust can be reduced; through the smog when opening the fan through the filter screen, its inside suspended particulate matter can be filtered by the filter screen, and harmful substance can be by the absorptive setting of active carbon, reached and filtered the back at the exhaust function to smog to reduce the influence to the air environment after the smog discharges.

The utility model is further provided that lifting lugs are welded at the tops of the exhaust barrel and the connecting barrel.

The technical scheme is adopted: the axial-flow type fire-fighting smoke exhaust fan is convenient to lift, move and install.

The utility model is further characterized in that a baffle plate matched with the filter screen and the activated carbon is arranged in the sliding sleeve.

The technical scheme is adopted: when the filter screen and the active carbon are more in impurity filtration, the impurity can fall down due to gravity, and the baffle can block and keep the impurity between the baffle and the filter screen.

The utility model is further arranged that the fence net is arranged at one side of the exhaust barrel and one side of the connecting barrel, which are far away from each other.

The technical scheme is adopted: can block garbage and avoid entering the interior of the axial-flow type fire-fighting smoke exhaust fan.

The utility model further provides that one side, close to each other, of the exhaust barrel and the connecting barrel is connected with a mounting bolt in a threaded manner.

The technical scheme is adopted: the exhaust barrel and the connecting barrel are bolted through the mounting bolts, so that the filter screen and the activated carbon are convenient to replace when the filtering effect is poor after the service time of the filter screen is long.

The utility model further provides that both the filter screen and the activated carbon are funnel-shaped.

The technical scheme is adopted: impurities can be accumulated at the bottom of the hopper, thereby facilitating the agglomeration of the impurities and increasing weight.

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

according to the utility model, noise sound waves diffused along with smoke in the exhaust funnel are blocked by the partition plate, smoke in the air flow can pass through the partition plate through the through holes, meanwhile, the noise sound waves are counteracted and converted into heat by the glass fiber plate, and the heat is discharged along with the smoke in the air flow, so that the direct noise reduction of the smoke flowing direction is realized, the noise reduction of the fan can be realized, and the noise reduction of the sound during the exhaust of the bottom smoke can be realized;

according to the utility model, when the fan is started, the smoke passes through the filter screen, suspended and precipitated particles in the fan can be filtered by the filter screen, and harmful substances can be adsorbed by the activated carbon, so that the function of discharging the smoke after filtering is achieved, and the influence on the air environment after discharging the smoke is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a cross-sectional view of the structure of the present utility model.

In the figure: 1. an exhaust pipe; 2. a bracket; 3. a blower; 4. a partition plate; 5. a through hole; 7. a glass fiber board; 8. a connecting cylinder; 9. a sliding sleeve; 10. a filter screen; 11. activated carbon; 12. lifting lugs; 13. a baffle; 14. installing a bolt; 15. a fence net.

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.

Example 1:

referring to fig. 1 and 2, an axial-flow fire-fighting smoke exhaust fan with a noise reduction structure comprises an exhaust drum 1, wherein a fan 3 is arranged on one side of an inner cavity of the exhaust drum 1, supports 2 welded with the exhaust drum 1 are fixedly connected to the top and the bottom of the fan 3, a partition plate 4 is welded to the top and the bottom of the other side of the inner cavity of the exhaust drum 1, a through hole 5 is formed in the partition plate 4, a glass fiber plate 7 matched with the partition plate 4 and the through hole 5 is arranged in the exhaust drum 1, noise sound waves diffused along with smoke in the exhaust drum 1 are blocked through the partition plate 4, smoke in the air flow can pass through the partition plate 4 through the through hole 5, meanwhile, the noise sound waves are counteracted and converted into heat through the glass fiber plate 7, and the smoke in the air flow is discharged along with the smoke, so that the direct noise reduction is realized in the flowing direction of the air flow, and the noise reduction can be realized.

Referring to fig. 1 and 2, lifting lugs 12 are welded at the tops of the exhaust barrel 1 and the connecting barrel 8, so that the axial-flow type fire-fighting smoke exhaust fan can be lifted, moved and installed conveniently.

Referring to fig. 2, the side of the exhaust pipe 1 and the connecting pipe 8, which are far away from each other, are provided with a fence net 15, so that garbage can be blocked, and the garbage can be prevented from entering the axial-flow type fire-fighting smoke exhaust fan.

The use process is briefly described: when the direction of smoke flow is required to be directly denoised, smoke is sucked from one end of the exhaust funnel 1 and blown to the partition plate 4 by starting the fan 3, meanwhile, most of noise sound waves can move along with the smoke in one direction due to unidirectional movement of air flow, then the partition plate 4 blocks the noise sound waves, so that the noise sound waves are primarily reduced, smoke in the air flow can pass through the partition plate 4 through the through holes 5, and finally the noise sound waves are sufficiently reduced through the glass fiber plates 7, so that the noise sound waves are counteracted and converted into heat, and the heat is discharged out of the exhaust funnel 1 along with the smoke in the air flow.

Example 2:

referring to fig. 1 and 2, an axial-flow fire-fighting smoke exhaust fan with noise reduction structure is disclosed, a connecting cylinder 8 is installed on one side of an exhaust funnel 1, which is close to a fan 3, a sliding sleeve 9 is connected to internal threads of the connecting cylinder 8, a filter screen 10 is installed in the sliding sleeve 9, active carbon 11 is installed in the filter screen 10, smoke passes through the filter screen 10 when the fan 3 is started, suspended and settled particles in the smoke are filtered by the filter screen 10, and harmful substances are adsorbed by the active carbon 11, so that the smoke is filtered and then discharged, and the influence on the air environment after smoke emission is reduced.

Referring to fig. 2, a baffle 13 matched with the filter screen 10 and the activated carbon 11 is installed in the sliding sleeve 9, when impurities in the filter screen 10 and the activated carbon 11 are filtered more, the impurities can fall down due to gravity, and at the moment, the baffle 13 can block and keep the impurities between the baffle 13 and the filter screen 10.

Referring to fig. 1 and 2, the exhaust pipe 1 and the connecting pipe 8 are connected with the mounting bolts 14 by screw threads on the sides close to each other, and the exhaust pipe 1 and the connecting pipe 8 are bolted by the mounting bolts 14, so that the filter screen 10 and the activated carbon 11 are convenient to replace when the filtering effect is poor after the service time of the filter screen is long.

Referring to fig. 2, both the filter screen 10 and the activated carbon 11 are funnel-shaped, and impurities can be accumulated at the bottom of the funnel, thereby facilitating the aggregation of the impurities and increasing the weight.

The use process is briefly described: when the smoke is required to be filtered and then discharged, the smoke can enter the exhaust funnel 1 through the connecting cylinder 8 by starting the fan 3, then suspended and settled particles in the smoke can be filtered by the filter screen 10 when the smoke passes through the filter screen 10, and harmful substances in the smoke can be adsorbed by the activated carbon 11, so that the suspended and settled particles and harmful substances in the smoke passing through the filter screen 10 can be reduced.

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 an axial-flow type fire control smoke exhaust fan with structure of making an uproar falls, includes aiutage (1), its characterized in that: a fan (3) is arranged on one side of the inner cavity of the exhaust funnel (1), supports (2) welded with the exhaust funnel (1) are fixedly connected to the top and the bottom of the fan (3), a partition board (4) is welded to the top and the bottom of the other side of the inner cavity of the exhaust funnel (1), a through hole (5) is formed in the partition board (4), and a glass fiber plate (7) matched with the partition board (4) and the through hole (5) is arranged in the exhaust funnel (1); the exhaust funnel is characterized in that a connecting barrel (8) is arranged on one side, close to the fan (3), of the exhaust funnel (1), a sliding sleeve (9) is connected with the connecting barrel (8) through internal threads, a filter screen (10) is arranged in the sliding sleeve (9), and activated carbon (11) is arranged in the filter screen (10).

2. The axial flow type fire smoke exhaust fan with noise reduction structure according to claim 1, wherein: lifting lugs (12) are welded at the tops of the exhaust barrel (1) and the connecting barrel (8).

3. The axial flow type fire smoke exhaust fan with noise reduction structure according to claim 1, wherein: the inside of the sliding sleeve (9) is provided with a baffle (13) matched with the filter screen (10) and the activated carbon (11).

4. The axial flow type fire smoke exhaust fan with noise reduction structure according to claim 1, wherein: and fence nets (15) are arranged at the inner sides of the exhaust barrel (1) and the connecting barrel (8) which are far away from each other.

5. The axial flow type fire smoke exhaust fan with noise reduction structure according to claim 1, wherein: and one side, close to each other, of the exhaust barrel (1) and the connecting barrel (8) is in threaded connection with a mounting bolt (14).

6. The axial flow type fire smoke exhaust fan with noise reduction structure according to claim 1, wherein: the filter screen (10) and the activated carbon (11) are both funnel-shaped.