CN219735513U

CN219735513U - Fire control fume extractor

Info

Publication number: CN219735513U
Application number: CN202321336155.3U
Authority: CN
Inventors: 祖家敬; 赵军; 李文龙; 高景双
Original assignee: Tianjin Zhongji Construction Group Co ltd
Current assignee: Tianjin Zhongji Construction Group Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-09-22
Anticipated expiration: 2033-05-29

Abstract

The utility model discloses a fire-fighting smoke exhaust device, which relates to the technical field of fire protection and comprises a device body, wherein a switching tube is fixed at the end part of the device body, a horn tube is fixed at the lower end of the switching tube, a driving motor is installed in the switching tube, a fan blade is fixed at the output end of the driving motor, a cover plate is fixed at one end of the device body far away from the switching tube through a bolt, an exhaust pipe is fixed on the cover plate, the exhaust pipe is mutually communicated with the device body, the switching tube and the horn tube, and a dust collection structure is arranged in the device body. When the smoke is absorbed under fire conditions, the first filter screen can filter sundries in the smoke, so that pollution to surrounding air can be reduced, and the use effect of the smoke exhaust device is improved; when the structure inside the device body needs to be cleaned, the bolts for fixing the cover plate are loosened, the fixing pipe is extracted, the bolts for fixing the mounting frame are loosened again, and then the device body is cleaned conveniently.

Description

Fire control fume extractor

Technical Field

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

Background

After a fire disaster occurs, dense smoke can be generated, a large amount of dense smoke generated in the fire disaster floats on the upper layer due to the rising effect of hot air, the dense smoke can escape in the dense smoke, if the protection is improper, a human body can easily inhale the dense smoke into the human body, so that syncope or choking is caused, in the construction process of a modern building, the fire-fighting smoke discharging device becomes an indispensable part, and the fire-fighting smoke discharging device can timely discharge smoke when a fire disaster occurs, so that precious time is striven for people to escape when encountering the fire disaster.

The fire-fighting smoke discharging device mentioned in the prior China publication (issued notice number: CN 212703577U) comprises a smoke discharging pipe, a smoke sucking fan is arranged in the smoke discharging pipe, a smoke discharging pipe communicated with the outside is arranged on the smoke discharging pipe, an angle adjusting rod is arranged on the side wall of the smoke discharging pipe, the smoke discharging pipe is an organ pipe, a support is horizontally arranged on the top wall of a wall body provided with the smoke discharging pipe, a sliding rail is horizontally arranged on the support, a movable frame is sleeved on the sliding rail in a sliding mode, the movable frame is connected with the angle adjusting rod, and a driving piece used for driving the movable frame to slide along the sliding rail is arranged on the movable frame. The utility model has the effect of increasing the range of smoke exhaust.

In practical application, in the flue gas that above-mentioned fire control fume extractor produced when article burns, there is certain burning thing ash bits, and when this fume extractor discharged fume, the ash bits can get into inside the device along with the flue gas together, later along with the flue gas discharge, after the discharge, can cause certain pollution to surrounding environment, simultaneously after getting into inside the device, be liable to attach on the suction fan in inside simultaneously, be inconvenient for the clearance.

Disclosure of Invention

The utility model aims at: in order to solve the problems in the background art, the utility model provides a fire-fighting smoke exhaust device.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a fire control fume extractor, includes the device body, the end fixing of device body has the switching pipe, the lower extreme of switching pipe is fixed with the horn pipe, the internally mounted of switching pipe has driving motor, driving motor's output is fixed with the flabellum, the one end that switching pipe was kept away from to the device body is fixed with the apron through the bolt, be fixed with the blast pipe on the apron, blast pipe and device body, switching pipe, horn pipe communicate each other, the inside dust collection structure that is provided with of device body.

Through adopting above-mentioned technical scheme, when meetting the condition of a fire, open driving motor through external control ware and drive the flabellum and rotate and produce the suction, will catch fire produced flue gas and can inhale inside the device body, discharge through the blast pipe at last, when flue gas entering device body is inside, the collection dirt structure that the inside device body set up can separate the collection of the form debris that wafts in the flue gas to can reduce the influence that causes the surrounding environment when flue gas is discharged.

Further, the dust collecting structure comprises a fixed pipe inserted into the device body, a mounting frame is mounted in the fixed pipe, a first filter screen is fixed in the mounting frame, the driving motor is fixed in the fixed pipe, and the cover plate is fixed at the end part of the fixed pipe.

By adopting the technical scheme, when the flue gas is discharged, the first filter screen can filter and separate zero-shaped impurities in the flue gas, so that the pollution to the surrounding air is reduced.

Further, a supporting ring is fixed inside the fixing tube, the mounting frame is in contact with the supporting ring, and the mounting frame is connected with the supporting ring through bolts.

Through adopting above-mentioned technical scheme, utilize support ring cooperation bolt can fix the installing frame, the installation and the dismantlement of the filter screen of being convenient for.

Further, a positioning column is fixed on the support ring, and a positioning hole matched with the positioning column is formed in the mounting frame.

Through adopting above-mentioned technical scheme, utilize reference column cooperation locating hole can be more convenient for install the installation of frame, play location and further fixed action.

Further, the filter tube is installed to the one end that the apron was kept away from to the fixed pipe, filter tube inside is fixed with the filter screen two, the mesh of filter screen two is greater than the mesh of filter screen one.

Through adopting above-mentioned technical scheme, utilize filter screen two to cooperate filter screen one can improve the filter effect, reduce the jam of filter screen one.

Further, a connecting pipe is fixed at the end part of the filter pipe, and the connecting pipe is in threaded connection with the fixed pipe.

By adopting the technical scheme, the connecting pipe is utilized to facilitate the disassembly and the installation between the filter pipe and the fixed pipe.

Further, a sealing rubber ring is fixed inside the device body, the sealing rubber ring is an acrylic ester rubber ring, and the filter pipe is in contact with the sealing rubber ring.

Through adopting above-mentioned technical scheme, high temperature resistant rubber circle can play certain sealed effect, reduces the flue gas and wafts from between filter tube and the device body.

Further, a blocking plate is fixed inside the transfer pipe, and the blocking plate is arc-shaped.

Through adopting above-mentioned technical scheme, the barrier plate plays the water conservancy diversion effect for inside the entering device body that the flue gas is more smooth and easy.

In summary, the present utility model includes at least one of the following advantages;

1. according to the utility model, when the smoke is absorbed under fire conditions, the first filter screen can filter sundries in the smoke, so that the pollution to surrounding air can be reduced, the use effect of the smoke exhaust device is improved, and meanwhile, the adhesion of fragments on the fan and the fan blades can be reduced; when the structures such as the device body, the first filter screen and the fixed pipe are required to be cleaned, the bolts for fixing the cover plate are loosened, the fixed pipe is extracted, the bolts for fixing the mounting frame are loosened, and then the structures such as the device body, the first filter screen and the fixed pipe are cleaned, so that the cleaning is convenient;

2. according to the utility model, when the device is used, the second filter screen can be used for filtering smoke in advance, blocking larger impurities in the smoke, and double filtering is carried out on the smoke by matching with the first filter screen, so that the filtering effect is improved, and the phenomenon that the first filter screen is blocked by the larger impurities is reduced.

Drawings

Fig. 1 is a schematic perspective view of a smoke exhaust apparatus according to the present utility model;

fig. 2 is a schematic view of the internal structure of the smoke exhaust device of the present utility model;

FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 2;

fig. 4 is an enlarged schematic view of the utility model at B in fig. 2.

Reference numerals illustrate:

1. a device body; 2. a transfer tube; 3. a horn tube; 4. a driving motor; 5. a fan blade; 6. an exhaust pipe; 7. a fixed tube; 8. a mounting frame; 9. a first filter screen; 10. a support ring; 11. positioning columns; 12. a filter tube; 13. a second filter screen; 14. a connecting pipe; 15. sealing rubber rings; 16. a blocking plate; 17. and a cover plate.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a fire-fighting smoke exhaust device.

Referring to fig. 1 and 2, a fire-fighting smoke exhaust device comprises a device body 1, wherein a switching tube 2 is fixed at the end part of the device body 1, a horn tube 3 is fixed at the lower end of the switching tube 2, a driving motor 4 is arranged in the switching tube 2, a fan blade 5 is fixed at the output end of the driving motor 4, a cover plate 17 is fixed at one end of the device body 1 far away from the switching tube 2 through bolts, an exhaust pipe 6 is fixed on the cover plate 17, and the exhaust pipe 6 is mutually communicated with the device body 1, the switching tube 2 and the horn tube 3, and a dust collecting structure is arranged in the device body 1.

When encountering a fire, the driving motor 4 is started through the external controller, the driving motor 4 works to drive the fan blades 5 to rotate, so that suction is generated, the smoke generated by the fire can enter the inside of the adapter tube 2 along the horn tube 3, and enter the inside of the device body 1 through the adapter tube 2, and finally is discharged through the exhaust pipe 6, so that the purpose of smoke discharging is achieved, when the smoke enters the inside of the device body 1, the dust collection structure arranged in the device body 1 can separate and collect zero-shaped sundries in the smoke, and therefore the influence on the surrounding environment caused by smoke discharging can be reduced.

Referring to fig. 2 and 3, the dust collecting structure includes a fixing tube 7 inserted into the device body 1, a mounting frame 8 is mounted in the fixing tube 7 and near one end of the adapter tube 2, a filter screen 9 is fixed in the mounting frame 8, the driving motor 4 is fixed in the fixing tube 7, and a cover plate 17 is fixed at one end of the fixing tube 7 far away from the adapter tube 2. The support ring 10 is fixed in the fixed pipe 7, one side of the installation frame 8, which is away from the adapter pipe 2, is contacted with the support ring 10, and the installation frame 8 is connected with the support ring 10 through bolts. The support ring 10 is fixed with a positioning column 11, and the mounting frame 8 is provided with a positioning hole matched with the positioning column 11.

When the first filter screen 9 is installed, the installation frame 8 stretches into the fixing tube 7, the positioning holes are correspondingly connected with the positioning columns 11, at the moment, the threaded holes in the installation frame 8 can correspond to the threaded holes in the supporting ring 10, then the installation frame 8 and the supporting ring 10 are fixed through bolts, the first filter screen 9 is installed, then the fixing tube 7 stretches into the device body 1, and the cover plate 17 is connected with the device body 1 through bolts. When the smoke is required to be absorbed during a fire condition, the first filter screen 9 can filter sundries in the smoke, so that pollution to surrounding air can be reduced, and the using effect of the smoke exhaust device is improved.

In addition, when the device body 1, the first filter screen 9, the fixed pipe 7 and other structures need to be cleaned, the bolts for fixing the cover plate 17 are loosened, the fixed pipe 7 is extracted, the bolts for fixing the mounting frame 8 are loosened, and then the device body 1, the first filter screen 9, the fixed pipe 7 and other structures need to be cleaned.

Referring to fig. 2-4, a filter pipe 12 is installed at one end of the fixed pipe 7 far away from the cover plate 17, a second filter screen 13 is fixed inside the filter pipe 12, and meshes of the second filter screen 13 are larger than meshes of the first filter screen 9. A connecting pipe 14 is fixed at the end part of the filter pipe 12, and the connecting pipe 14 is in threaded connection with the fixed pipe 7.

Before stretching the fixed pipe 7 into the device body 1, the connecting pipe 14 at the end part of the filter pipe 12 corresponds to the end part of the fixed pipe 7, then the filter pipe 12 is twisted to connect the connecting pipe 14 with the fixed pipe 7, then the fixed pipe 7 and the filter pipe 12 are stretched into the device body 1 together, when the device is used, flue gas can be filtered in advance through the second filter screen 13, larger impurities in the flue gas are blocked, the first filter screen 9 is matched for double-filtering the flue gas, the filtering effect is improved, and the phenomenon that the first filter screen 9 is blocked by the larger impurities is reduced.

Referring to fig. 2 and 4, a sealing rubber ring 15 is fixed inside the device body 1, the sealing rubber ring 15 is an acrylic rubber ring, and the filter tube 12 is abutted against the sealing rubber ring 15. The sealing performance between the filter pipe 12 and the device body 1 can be improved by arranging the high-temperature-resistant rubber ring, so that the emission of smoke from the position where the filter pipe 12 is attached to the device body 1 can be reduced.

Referring to fig. 2, a blocking plate 16 is fixed inside the adapter tube 2, and the blocking plate 16 has an arc shape. When the smoke is sucked, the arc-shaped blocking plate 16 can play a role in guiding flow, so that the smoke more smoothly enters the device body through the transfer tube 2.

Working principle: before the fixed pipe 7 is installed, the installation frame 8 is stretched into the fixed pipe 7, the positioning holes are correspondingly connected with the positioning columns 11, at the moment, the threaded holes on the installation frame 8 can be corresponding to the threaded holes on the supporting ring 10, then the installation frame 8 and the supporting ring 10 are fixed by bolts, the installation of the filter screen I9 is completed, the connecting pipe 14 at the end part of the filter pipe 12 is corresponding to the end part of the fixed pipe 7, then the filter pipe 12 is screwed to enable the connecting pipe 14 to be connected with the fixed pipe 7, then the fixed pipe 7 and the filter pipe 12 are stretched into the device body 1 together, the end part of the filter pipe 12 is contacted with the sealing rubber ring 15, and the cover plate 17 is connected with the device body 1 by bolts;

when a fire condition occurs, the driving motor 4 is started through the external controller, the fan blades 5 are driven to rotate when the driving motor 4 works, so that suction force is generated, smoke generated by the fire at the moment can enter the inside of the transfer tube 2 along the horn tube 3 and enter the inside of the device body 1 through the transfer tube 2, the second filter screen 13 can filter the smoke in advance, larger sundries in the smoke are blocked, and the first filter screen 9 is matched for double-filtering the smoke, so that the filtering effect is improved;

when the structures such as the device body 1, the first filter screen 9, the second filter screen 13 and the fixed pipe 7 are required to be cleaned, the bolts for fixing the cover plate 17 are loosened, the fixed pipe 7 is extracted, the filter pipe 12 is screwed to separate from the fixed pipe 7, the bolts for fixing the mounting frame 8 are loosened, and then the structures such as the device body 1, the first filter screen 9, the second filter screen 13 and the fixed pipe 7 are cleaned.

Claims

1. The utility model provides a fire control fume extractor, includes device body (1), its characterized in that: the end fixing of device body (1) has transfer pipe (2), the lower extreme of transfer pipe (2) is fixed with horn pipe (3), the internally mounted of transfer pipe (2) has driving motor (4), the output of driving motor (4) is fixed with flabellum (5), the one end that transfer pipe (2) was kept away from to device body (1) is fixed with apron (17) through the bolt fastening, be fixed with blast pipe (6) on apron (17), blast pipe (6) communicate each other with device body (1), transfer pipe (2), horn pipe (3), device body (1) inside is provided with dust collection structure.

2. A fire smoke evacuation device according to claim 1, wherein: the dust collection structure comprises a fixed pipe (7) inserted into the device body (1), a mounting frame (8) is mounted in the fixed pipe (7), a filter screen (9) is fixed in the mounting frame (8), the driving motor (4) is fixed in the fixed pipe (7), and the cover plate (17) is fixed at the end part of the fixed pipe (7).

3. A fire smoke evacuation device according to claim 2, wherein: the fixing tube (7) is internally fixed with a supporting ring (10), the mounting frame (8) is in contact with the supporting ring (10), and the mounting frame (8) is connected with the supporting ring (10) through bolts.

4. A fire smoke evacuation device according to claim 3, wherein: the support ring (10) is fixedly provided with a positioning column (11), and the mounting frame (8) is provided with a positioning hole matched with the positioning column (11).

5. A fire smoke evacuation device according to claim 2, wherein: the one end that apron (17) was kept away from to fixed pipe (7) is installed filter tube (12), filter tube (12) inside is fixed with filter screen two (13), the mesh of filter screen two (13) is greater than the mesh of filter screen one (9).

6. The fire protection and smoke evacuation device according to claim 5, wherein: the end part of the filter pipe (12) is fixed with a connecting pipe (14), and the connecting pipe (14) is in threaded connection with the fixed pipe (7).

7. The fire protection and smoke evacuation device according to claim 6, wherein: the device is characterized in that a sealing rubber ring (15) is fixed inside the device body (1), the sealing rubber ring (15) is an acrylic ester rubber ring, and the filter tube (12) is abutted to the sealing rubber ring (15).

8. A fire smoke evacuation device according to claim 1, wherein: a blocking plate (16) is fixed inside the transfer pipe (2), and the blocking plate (16) is arc-shaped.