CN212615531U

CN212615531U - Performance detection device for smoke exhaust fan

Info

Publication number: CN212615531U
Application number: CN202021225057.9U
Authority: CN
Inventors: 刘登辉; 王士磊; 刘璐; 董淑泉
Original assignee: Henan Yongan Electric Fire Detection Co ltd
Current assignee: Henan Yongan Electric Fire Detection Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-26
Anticipated expiration: 2030-06-29

Abstract

The utility model provides a performance detection device of a smoke exhaust fan, which comprises a combustion chamber, a test chamber and a spray chamber, wherein the combustion chamber is connected to the test chamber through an air inlet pipe, and the test chamber is connected to the bottom of the spray chamber through an exhaust pipe; the top of the combustion chamber is provided with a turning plate, the side surface of the combustion chamber is provided with an induced draft fan, a screen plate is arranged in the combustion chamber, a conical surface is arranged below the screen plate, and the bottom end of the conical surface is provided with a feed opening; a smoke exhaust fan is arranged in the test chamber; the spray chamber is internally provided with a spray pipe, the spray pipe is provided with a plurality of spray heads, the bottom of the spray chamber is provided with a water outlet, and the top of the spray chamber is provided with an exhaust port. The exhaust port is connected to a filter box arranged at the top of the spray chamber. The fire-resisting net is arranged in the air inlet pipe. The utility model can simulate the fire scene completely and truly, and further test whether the working performance of the smoke exhaust fan is stable and reliable when encountering fire; in addition, the utility model discloses produced polluting high temperature tail gas can carry out purification treatment before discharging, has the effect of environmental protection.

Description

Performance detection device for smoke exhaust fan

Technical Field

The utility model relates to a fire-fighting equipment detects technical field, concretely relates to smoke exhaust fan performance detection device.

Background

The fire-fighting high-temperature smoke exhaust fan is suitable for ventilation or high-temperature smoke exhaust of high-rise buildings, underground buildings, tunnels, drying rooms and the like, has the quality requirement that the fire-fighting high-temperature smoke exhaust fan can continuously run at high temperature without being damaged, is an ideal fire-fighting necessary facility, and needs to be subjected to strict performance test before the fire-fighting smoke exhaust fan leaves a factory so as to ensure the durability of the fire-fighting smoke exhaust fan.

The traditional high-temperature-resistant testing device for the fire-fighting smoke exhaust fan is very troublesome to use, can not simulate a fire environment, and can not enable the fire-fighting smoke exhaust fan to be in a strict testing environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of prior art, provide a smoke exhaust fan performance detection device, concrete scheme is as follows:

a performance detection device for a smoke exhaust fan comprises a combustion chamber, a test chamber and a spray chamber, wherein the combustion chamber is connected to the test chamber through an air inlet pipe, and the test chamber is connected to the bottom of the spray chamber through an exhaust pipe; the top of the combustion chamber is provided with a turning plate, the side surface of the combustion chamber is provided with an induced draft fan, a screen plate is arranged in the combustion chamber, a conical surface is arranged below the screen plate, and a feed opening extending out of the combustion chamber is arranged at the bottom end corresponding to the conical surface; a smoke exhaust fan is arranged in the test chamber through a bracket; the spray chamber is internally provided with a spray pipe, the spray pipe is provided with a plurality of spray heads, the bottom of the spray chamber is provided with a water outlet, and the top of the spray chamber is provided with an exhaust port.

On the basis, the gas vent is connected to the setting and is in the rose box at spray room top, be equipped with plug-type active carbon filter screen in the rose box, the top of rose box is equipped with the gas outlet.

Based on the above, be equipped with in the intake pipe and hinder the fire net.

The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model has the following advantages:

1. the utility model discloses in, through setting up the combustion chamber, can burn some fuel and simulate on-spot high temperature of conflagration, dense cigarette, improve the accuracy to smoke exhaust fan test performance detection.

2. The utility model discloses in, through set up fire blocking net in the intake pipe, can organize naked light and get into the test room.

3. The utility model discloses in, the test chamber is connected to the spray room through the blast pipe, can cool down, purification treatment to the high temperature flue gas that produces, sets up the filter chamber with the spray room intercommunication through the top at the spray room, can guarantee to discharge no longer to contain polluting the gas in atmospheric gas, has the effect of environmental protection.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. a combustion chamber; 2. an induced draft fan; 3. turning over a plate; 4. a screen plate; 5. a feeding port; 6. an air inlet pipe; 7. a fire blocking net; 8. a test chamber; 9, a bracket; 10. a smoke exhaust fan; 11. a conical surface; 12. an exhaust pipe; 13. a spray chamber; 14. a nozzle; 15. a spray head; 16. a water outlet; 17. a filter box; 18. an exhaust port; 19. an active carbon filter screen; 20. and an air outlet.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

Examples

As shown in fig. 1, the utility model provides a smoke exhaust fan performance detection device, including combustion chamber 1, test chamber 8 and spray room 13, combustion chamber 1 is connected to through intake pipe 6 test chamber 8, test chamber 8 is connected to through blast pipe 12 spray room 13's bottom.

Be equipped with the board 3 that turns over that can open or closed combustion chamber 1 at the top of combustion chamber 1, turn over board 3 through the upset and can throw the fuel toward combustion chamber 1, the side of combustion chamber 1 is equipped with draught fan 2 toward the air supply in combustion chamber 1, is equipped with the otter board 4 of stacking the fuel in the combustion chamber 1, and the below of otter board 4 is for accomodating the conical surface 11 of burning dust, corresponds the bottom of conical surface 11 is equipped with the feed opening 5 that extends to the combustion chamber 1 outer.

A smoke exhaust fan 10 for testing is installed in the test chamber 8 through a bracket 9.

The spray chamber 13 is mainly used for cooling and purifying the exhausted hot tail gas, a spray pipe 14 is arranged in the spray chamber 13, a plurality of spray heads 15 are arranged on the spray pipe 14, a water outlet 16 is arranged at the bottom of the spray chamber 13, and an exhaust port 18 is arranged at the top of the spray chamber 13.

In order to further filter the tail gas after cooling and purification treatment in the spray chamber 13 again, the exhaust port 18 is connected to the filter box 17 arranged at the top of the spray chamber 13, a push-pull type active carbon filter screen 19 is arranged in the filter box 17, and an air outlet 20 is arranged at the top of the filter box 17.

In order to prevent the flame from entering the test chamber 8 and affecting the test result, a flame-retardant net 7 is arranged in the air inlet pipe 6.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a smoke exhaust fan performance detection device which characterized in that: the device comprises a combustion chamber (1), a test chamber (8) and a spray chamber (13), wherein the combustion chamber (1) is connected to the test chamber (8) through an air inlet pipe (6), and the test chamber (8) is connected to the bottom of the spray chamber (13) through an air outlet pipe (12); the top of the combustion chamber (1) is provided with a turning plate (3), the side surface of the combustion chamber (1) is provided with an induced draft fan (2), a screen plate (4) is arranged in the combustion chamber (1), a conical surface (11) is arranged below the screen plate (4), and a discharge hole (5) extending out of the combustion chamber (1) is arranged at the bottom end corresponding to the conical surface (11); a smoke exhaust fan (10) is arranged in the test chamber (8) through a bracket (9); be equipped with spray tube (14) in spray room (13), be equipped with a plurality of shower nozzles (15) on spray tube (14), the bottom of spray room (13) is equipped with outlet (16), and the top of spray room (13) is equipped with gas vent (18).

2. The smoke exhaust fan performance detection device of claim 1, characterized in that: the exhaust port (18) is connected to a filter box (17) arranged at the top of the spray chamber (13), a push-pull type activated carbon filter screen (19) is arranged in the filter box (17), and an air outlet (20) is arranged at the top of the filter box (17).

3. The smoke exhaust fan performance detection device of claim 1, characterized in that: and a fire blocking net (7) is arranged in the air inlet pipe (6).