CN216868739U

CN216868739U - Fire engineering is with preventing fume extractor

Info

Publication number: CN216868739U
Application number: CN202220238945.7U
Authority: CN
Inventors: 王永兴; 王少卓; 韩笑宇
Original assignee: Henan Guanghua Fire Engineering Co ltd
Current assignee: Henan Guanghua Fire Engineering Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-07-01
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a smoke prevention and exhaust device for fire engineering, relates to the technical field of smoke treatment devices for fire engineering, and aims to solve the problems that a main pipeline hidden in a wall body is difficult to clean effectively when the smoke prevention and exhaust device on the market is used, and dust in the main pipeline enters a room along with the dust when air supply and smoke exhaust are needed. The one end of smoke protection mechanism and smoke exhaust mechanism is provided with the flue, and the flue is located the inside of flue room, the inside of flue lower extreme is provided with clean air pocket, the below of flue is provided with clean fan, and clean fan passes through outlet duct sealing connection with the flue, the outside equidistance of clean air pocket is provided with a plurality of spring coils, and the outer end and the flue inner wall of spring coil laminate mutually.

Description

Fire engineering is with preventing fume extractor

Technical Field

The utility model relates to the technical field of smoke treatment devices for fire engineering, in particular to a smoke prevention and exhaust device for fire engineering.

Background

The smoke control device is a generic name of a smoke control device and a smoke exhaust device. The main functions are as follows: when a fire disaster happens, the smoke prevention and discharge control cabinet receives a fire disaster signal and sends out an instruction of opening the smoke exhauster, smoke is discharged in a fire disaster area, and manual operation can be performed manually through the manual control device to complete the smoke discharge function. The smoke and smoke preventing and discharging device adopts a mechanical pressurization air supply mode or a natural ventilation mode to prevent smoke from entering an evacuation channel system; the smoke exhaust system adopts a mechanical smoke exhaust mode or a natural ventilation mode to exhaust smoke to the outside of a building. The mechanical fume exhaust and preventing system consists of air exhaust pipeline, pipe well, fireproof valve, door switch, air exhaust fan and other equipment. The smoke prevention system is arranged in a positive pressure mode in the staircase. The smoke discharge quantity of the mechanical smoke discharge system has a direct relation with the smoke prevention subarea.

At present, the main pipeline hidden in a wall body is difficult to clean effectively when the smoke prevention and exhaust device on the market is used, and when air supply and smoke exhaust are needed, dust in the main pipeline enters indoors, so that the smoke prevention and exhaust device for the fire engineering is provided, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a smoke prevention and exhaust device for fire engineering, which aims to solve the problems that the existing smoke prevention and exhaust device on the market is difficult to effectively clean a main pipeline hidden in a wall body when in use, and dust in the main pipeline enters a room along with the main pipeline when air supply and smoke exhaust are needed.

In order to achieve the purpose, the utility model provides the following technical scheme: a smoke prevention and exhaust device for fire engineering comprises two main flue chambers, a smoke prevention mechanism and a smoke exhaust mechanism, wherein one end of the smoke prevention mechanism and one end of the smoke exhaust mechanism are provided with a main flue, the main flue is positioned in the main flue chamber, the lower end of the main flue is provided with a lower smoke tube, an upper smoke tube is fixedly arranged above the lower smoke tube, the inner wall of the lower end of the upper smoke tube is fixedly provided with a limiting lug, a cleaning air bag is arranged in the lower smoke tube, a cleaning fan is arranged below the lower smoke tube and is in sealing connection with the lower smoke tube through an air outlet tube, the air outlet tube is communicated with the cleaning air bag, a plurality of spring rings are equidistantly arranged outside the cleaning air bag, the spring rings are fixedly arranged outside the cleaning air bag, the outer sides of the spring rings are in contact connection with the side wall of the lower smoke tube, and the air inlet end of the cleaning fan is provided with an air inlet pipe, and the air inlet pipe is connected with an air inlet electromagnetic valve.

Preferably, the other end equidistance of smoke prevention mechanism and the mechanism of discharging fume sets up a plurality ofly has the branch flue, and divides the flue to link up with the flue stack mutually, smoke prevention mechanism and the upper end of the mechanism of discharging fume are provided with drive fan, one side of drive fan is provided with the connecting pipe.

Preferably, the below of branch flue is provided with the furred ceiling, the below equidistance of furred ceiling is provided with a plurality of partition boards, the both sides of flue main room are provided with the side wall board, all be provided with four smoke guide plate between partition board and the side wall board and between two partition boards.

Preferably, smoke protection mechanism's branch flue below equidistance is provided with the smoke protection air outlet, and the smoke protection air outlet runs through and extends to the below of furred ceiling, smoke protection mechanism's branch flue below equidistance is provided with the air intake of discharging fume, and the air intake of discharging fume runs through and extends to the below of furred ceiling, smoke protection air outlet corresponds the setting with the air intake of discharging fume, and the length of drawing the cigarette board is less than the distance between smoke protection air outlet and the air intake of discharging fume.

Preferably, the lower extreme of side wall board has been seted up and has been surveyed the wind groove, one side of surveying the wind groove is provided with the plastics baffle, and the upper end and the side wall board of plastics baffle rotate to be connected, survey the wind groove and keep away from flue main room one end downward sloping, the top of surveying the wind groove is provided with clean door.

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

according to the utility model, the cleaning air bag is arranged to inject air into the cleaning air bag through the cleaning fan, the cleaning air bag moves upwards under the driving of the air, and enters the upper smoke pipe after passing through the limiting bump, and the cleaning air bag and the spring ring are in contact with the inner wall of the smoke pipe, so that dust on the inner wall of the smoke pipe is scraped, and the problems that the main pipeline hidden in the wall body is difficult to effectively clean when the existing smoke prevention and exhaust device on the market is used, and the dust in the main pipeline enters the room along with the main pipeline when air supply and smoke exhaust are needed are solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a bottom view of the ceiling of the present invention;

FIG. 3 is a view showing the connection of the main flue, the cleaning air bag and the cleaning fan according to the present invention;

FIG. 4 is a partial enlarged view of the area A in FIG. 1 according to the present invention.

In the figure: 1. a side wall panel; 2. a wind measuring groove; 3. a plastic baffle; 4. cleaning the door; 5. a main flue chamber; 6. a smoke prevention mechanism; 7. a smoke exhaust mechanism; 8. a main flue; 9. dividing a flue; 10. a suspended ceiling; 11. a smoke barrier; 12. a smoke-proof air outlet; 13. driving a fan; 14. a connecting pipe; 15. a smoke exhaust air inlet; 16. a smoke-inducing plate; 17. feeding a smoke pipe; 18. a lower smoke pipe; 19. a limiting bump; 20. cleaning the air bag; 21. cleaning the fan; 22. an air inlet pipe; 23. an air outlet pipe; 24. an air inlet solenoid valve; 25. a spring ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: a smoke prevention and exhaust device for fire engineering comprises two main flue chambers 5, a smoke prevention mechanism 6 and a smoke exhaust mechanism 7, wherein one end of the smoke prevention mechanism 6 and one end of the smoke exhaust mechanism 7 are provided with a main flue 8, the main flue 8 is positioned in the main flue chamber 5, the lower end of the main flue 8 is provided with a lower smoke tube 18, the upper part of the lower smoke tube 18 is fixedly provided with an upper smoke tube 17, the inner wall of the lower end of the upper smoke tube 17 is fixedly provided with a limit bump 19, the inner part of the lower smoke tube 18 is provided with a cleaning air bag 20, the lower part of the lower smoke tube 18 is provided with a cleaning fan 21, the cleaning fan 21 is hermetically connected with the lower smoke tube 18 through an air outlet pipe 23, the air outlet pipe 23 is communicated with the cleaning air bag 20, the outer part of the cleaning air bag 20 is provided with a plurality of spring rings 25 at equal intervals, the spring rings 25 are fixedly arranged at the outer side of the cleaning air bag 20, the outer sides of the spring rings 25 are in contact connection with the side wall of the lower smoke tube 18, the air inlet end of the cleaning fan 21 is provided with an air inlet pipe 22, an intake solenoid valve 24 is connected to the intake pipe 22. Wherein the spring ring 25 is a deformable spring ring.

Further, the other ends of the smoke prevention mechanism 6 and the smoke exhaust mechanism 7 are equidistantly provided with a plurality of smoke dividing channels 9, the smoke dividing channels 9 are communicated with the main flue 8, the upper ends of the smoke prevention mechanism 6 and the smoke exhaust mechanism 7 are provided with driving fans 13, and one side of each driving fan 13 is provided with a connecting pipe 14.

Further, a ceiling 10 is arranged below the smoke separating channel 9, a plurality of smoke baffles 11 are equidistantly arranged below the ceiling 10, side wall plates 1 are arranged on two sides of the main flue chamber 5, and four smoke guide plates 16 are arranged between the smoke baffles 11 and the side wall plates 1 and between the two smoke baffles 11.

Further, the equidistance below the smoke-proof channel 9 of the smoke-proof mechanism 6 is provided with smoke-proof air outlets 12, and the smoke-proof air outlets 12 run through and extend to the below of the suspended ceiling 10, the equidistance below the smoke-proof channel 9 of the smoke-proof mechanism 7 is provided with smoke exhaust air inlets 15, and the smoke exhaust air inlets 15 run through and extend to the below of the suspended ceiling 10, the smoke-proof air outlets 12 correspond to the smoke exhaust air inlets 15, and the length of the smoke guide plate 16 is smaller than the distance between the smoke-proof air outlets 12 and the smoke exhaust air inlets 15.

Furthermore, the lower extreme of side wall board 1 has been seted up and has been surveyed wind groove 2, and one side of surveying wind groove 2 is provided with plastic baffle 3, and plastic baffle 3's upper end and side wall board 1 rotate to be connected, surveys wind groove 2 and keeps away from 5 one end downward sloping in flue main room, and the top of surveying wind groove 2 is provided with clean door 4.

The working principle is as follows: when a fire occurs, the smoke prevention mechanism 6 sucks air through the driving fan 13, the air is distributed to the sub-flues 9 through the main flues 8, the air is exhausted through the smoke prevention air outlets 12, smoke flows to the smoke exhaust air inlets 15 along the guiding of the smoke partition plates 11 and the smoke guide plates 16, and the driving smoke of the driving fan 13 on the smoke exhaust mechanism 7 sequentially enters the sub-flues 9 and the main flues 8 and is exhausted to the outside through the connecting pipes 14. When in operation, the air leakage of the main flue 8 on the smoke prevention mechanism 6 and the smoke exhaust mechanism 7 can be discharged through the air measuring groove 2, and whether the air leakage phenomenon exists can be known through the swing of the plastic baffle 3. When the inner wall of the main flue 8 is cleaned, the air inlet electromagnetic valve 24 is opened and the cleaning fan 21 is started, because the upper end of the air outlet pipe 23 is hermetically connected with the cleaning air bag 20, the cleaning fan 21 injects air into the cleaning air bag 20 through the air outlet pipe 23, so that the cleaning air bag 20 is unfolded. The unfolded part of the cleaning air bag 20 moves upwards, passes through the limit bump 19 and enters the upper smoke pipe 17, and due to the unfolding of the spring ring 25 at the outer side of the cleaning air bag 20, the cleaning air bag is effectively contacted with the inner wall of the main flue 8, so that dust on the inner wall of the main flue 8 is scraped. After the cleaning air bag 20 is completely unfolded, the cleaning fan 21 is rotated reversely, the cleaning air bag 20 is retracted to scrape off the dust on the inner wall again, and finally retracted to the position below the limit bump 19. The lower smoke tube 18 is provided with a cleaning door 4 at one side thereof for removing the lower smoke tube, thereby cleaning the air bag.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fire engineering is with preventing fume extractor, includes two flue stack rooms (5), smoke protection mechanism (6) and mechanism (7) of discharging fume, its characterized in that: the smoke prevention mechanism (6) and the smoke exhaust mechanism (7) are provided with a main flue (8) at one end, the main flue (8) is located in the main flue chamber (5), the lower end of the main flue (8) is provided with a lower smoke tube (18), an upper smoke tube (17) is fixedly arranged above the lower smoke tube (18), the inner wall of the lower end of the upper smoke tube (17) is fixedly provided with a limit bump (19), a cleaning air bag (20) is arranged in the lower smoke tube (18), a cleaning fan (21) is arranged below the lower smoke tube (18), the cleaning fan (21) and the lower smoke tube (18) are hermetically connected through an air outlet pipe (23), the air outlet pipe (23) is communicated with the cleaning air bag (20), a plurality of spring rings (25) are arranged at equal intervals outside the cleaning air bag (20), and the spring rings (25) are fixedly arranged outside the cleaning air bag (20), the outer side of the spring ring (25) is in contact connection with the side wall of the lower smoke tube (18), an air inlet pipe (22) is arranged at the air inlet end of the cleaning fan (21), and an air inlet electromagnetic valve (24) is connected to the air inlet pipe (22).

2. The fire engineering smoke prevention and exhaust device according to claim 1, characterized in that: smoke prevention mechanism (6) and the other end equidistance of mechanism of discharging fume (7) set up a plurality of branch flues (9) that have, and divide flue (9) to link up with main flue (8) mutually, smoke prevention mechanism (6) and the upper end of mechanism of discharging fume (7) are provided with drive fan (13), one side of drive fan (13) is provided with connecting pipe (14).

3. The fire engineering smoke prevention and exhaust device according to claim 2, characterized in that: the below of branch flue (9) is provided with furred ceiling (10), the below equidistance of furred ceiling (10) is provided with a plurality of partition board (11), the both sides of flue main room (5) are provided with side wall board (1), all be provided with between partition board (11) and side wall board (1) and between two partition board (11) four and draw cigarette board (16).

4. The fire engineering smoke prevention and exhaust device according to claim 3, characterized in that: the branch flue (9) below equidistance of smoke protection mechanism (6) is provided with smoke protection air outlet (12), and smoke protection air outlet (12) run through and extend to the below of furred ceiling (10), the branch flue (9) below equidistance of smoke protection mechanism (7) is provided with smoke exhaust air intake (15), and smoke exhaust air intake (15) run through and extend to the below of furred ceiling (10), smoke protection air outlet (12) correspond the setting with smoke exhaust air intake (15), and the length of drawing cigarette board (16) is less than smoke protection air outlet (12) and the distance between smoke exhaust air intake (15).

5. The fire engineering smoke prevention and exhaust device according to claim 4, characterized in that: survey wind groove (2) have been seted up to the lower extreme of side wall board (1), one side of surveying wind groove (2) is provided with plastics baffle (3), and the upper end of plastics baffle (3) rotates with side wall board (1) and is connected, survey wind groove (2) and keep away from flue main room (5) one end downward sloping, the top of surveying wind groove (2) is provided with clean door (4).