CN212202518U - A high temperature resistant centrifugal fire smoke exhaust fan - Google Patents

Abstract

The utility model discloses a high-temperature-resistant centrifugal fire-fighting smoke exhaust fan, comprising a fan body, a smoke exhaust channel is fixedly installed on the outer wall of the fan body, a suction plate is fixedly installed at the right end of the fan body, and the interior of the fan body is A first rotating body is rotatably installed, a first fan blade is fixedly installed on the outer wall of the first rotating body, a casing is fixedly installed at the left end of the fan body, a base is fixedly installed at the rear end of the casing, and the upper end of the base is fixed A drive motor is installed, and a water inlet channel and a water outlet channel are fixedly installed on the outer wall of the casing. The high-temperature-resistant centrifugal fire-fighting smoke exhaust fan is provided with a cooling body to achieve the effect of rapidly cooling the fan body, which is conducive to the fan body working in a high temperature environment for a long time. The effect of limiting and fixing the water outlet pipe is beneficial to the transportation of the smoke exhaust fan and improves the stability of the overall structure.

Description

A high temperature resistant centrifugal fire smoke exhaust fan

technical field

The utility model relates to the technical field of fire-fighting equipment, in particular to a high-temperature-resistant centrifugal fire-fighting smoke exhaust fan.

Background technique

Centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Centrifugal fans are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings. Ventilation, Dust extraction and cooling, ventilation and drafting of boilers and industrial furnaces, cooling and ventilation in air-conditioning equipment and household appliances, drying and selection of grains, wind tunnel air sources and inflation and propulsion of hovercraft, etc. For ventilation, dust extraction and cooling in factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and drafting in boilers and industrial kilns, cooling and ventilation in air conditioning equipment and household appliances, grains The drying and selection of the wind tunnel and the inflation and propulsion of the hovercraft, etc.

When the exhaust fan is used for fire fighting, it is often used in high temperature areas. Most of the existing centrifugal fire exhaust fans do not have a cooling device and cannot quickly cool the fan when the fan is running. Therefore, we propose a high temperature resistant exhaust fan. Centrifugal fire exhaust fan.

Utility model content

The purpose of this utility model is to provide a high-temperature resistant centrifugal fire-fighting smoke exhaust fan, so as to solve the problem that most of the existing centrifugal fire-fighting smoke exhaust fans proposed in the above-mentioned background technology do not have a cooling device and cannot perform cooling on the fan when the fan is running. The problem of rapid cooling.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-temperature resistant centrifugal fire-fighting smoke exhaust fan, comprising a fan body, a smoke exhaust channel is fixedly installed on the outer wall of the fan body, and a suction channel is fixedly installed at the right end of the fan body. Air pan, a first rotating body is rotatably installed inside the fan body, a first fan blade is fixedly installed on the outer wall of the first rotating body, a casing is fixedly installed at the left end of the fan body, and a base is fixedly installed at the rear end of the casing. A drive motor is fixedly installed on the upper end of the base, and a water inlet channel and a water outlet channel are fixedly installed on the outer wall of the casing.

Preferably, a water inlet pipe is fixedly installed on the inner wall of the water inlet channel, a first limiting body and a second limiting body are fixedly installed at the front end of the base, and the outer wall of the water inlet pipe is connected to the inner wall of the first limiting body. A water outlet pipe is fixedly installed on the inner wall of the water outlet channel, and the outer wall of the water outlet pipe and the inner wall of the second limiter are connected to each other.

Preferably, a cooling body is fixedly installed on the inner wall of the casing, a first groove body is fixedly opened inside the cooling body, a second rotating body is rotatably installed inside the cooling body, and a second rotating body is fixedly installed on the outer wall of the second rotating body. Two leaves.

Preferably, the inner wall of the second rotator is fixedly mounted with a clamping piece, and the inner wall of the clamping piece is fixedly mounted with a first connecting body.

Preferably, a second groove body is fixedly opened inside the fan body, the second groove body and the smoke exhaust passage communicate with each other, and the cross section of the first fan blade has an "L" shape structure.

Preferably, the left end surface of the first rotating body is in a concave structure, a second connecting body is fixedly installed in the center of the left end of the first rotating body, and the second connecting body and the inner wall of the first connecting body are on the same plane.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The high-temperature-resistant centrifugal fire-fighting smoke exhaust fan is equipped with a cooling body to achieve a rapid cooling effect on the fan body, which is beneficial for the fan body to work in a high temperature environment for a long time. The effect of limiting and fixing the water pipe and the water outlet pipe is beneficial to the transportation of the exhaust fan and improves the stability of the overall structure;

2. The high-temperature-resistant centrifugal fire-fighting exhaust fan achieves the effect of heat exchange and cooling through the setting of the first fan blade section in an "L"-shaped structure, and the setting of the left and right ends of the cooling body with a three-quarter circle structure. At the same time, it prevents the flue gas from entering the cooling body in a large area, maintains the exhaust efficiency, and facilitates the exhaust work;

3. The high temperature resistant centrifugal fire-fighting smoke exhaust fan, by setting the first connecting body and the second connecting body, realizes the effect that the two connecting bodies are connected with the rotating shaft of the driving motor respectively, and the two connecting bodies are arranged on the same plane Stable rotation is achieved, and the rotation stability of the second rotor is improved through the arrangement of the clips, and the arrangement of the second fan blades realizes the effect of air flow inside the cooling body, which is conducive to rapid cooling.

Description of drawings

1 is a schematic diagram of the three-dimensional structure of the present utility model;

Fig. 2 is the structural schematic diagram of the cooling body of the present invention;

3 is a schematic diagram of the internal cross-sectional structure of the fan body and the suction tray of the present invention.

In the figure: 1. Fan body; 2. Smoke exhaust channel; 3. Suction plate; 4. First rotating body; 5. First fan blade; 6. Shell; 7. Base; 8. Drive motor; 9. water inlet channel; 10, water inlet pipe; 11, first limit body; 12, water outlet channel; 13, water outlet pipe; 14, second limit body; 15, cooling body; 16, first tank body; 17, first 2. The rotating body; 18, the second fan blade; 19, the clamping part; 20, the first connecting body; 21, the second groove body; 22, the second connecting body.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a high temperature resistant centrifugal fire-fighting smoke exhaust fan, comprising a fan body 1, a smoke exhaust channel 2 is fixedly installed on the outer wall of the fan body 1, and the right end of the fan body 1 is fixed A suction plate 3 is installed, a first rotating body 4 is rotatably installed inside the fan body 1, a first fan blade 5 is fixedly installed on the outer wall of the first rotating body 4, a casing 6 is fixedly installed at the left end of the fan body 1, and the rear end of the casing 6 is fixed A base 7 is installed, a drive motor 8 is fixedly installed on the upper end of the base 7 , and a water inlet channel 9 and a water outlet channel 12 are fixedly installed on the outer wall of the housing 6 .

Further, a water inlet pipe 10 is fixedly installed on the inner wall of the water inlet channel 9, a first limiting body 11 and a second limiting body 14 are fixedly mounted on the front end of the base 7, and the outer wall of the water inlet pipe 10 and the inner wall of the first limiting body 11 are connected to each other. , a water outlet pipe 13 is fixedly installed on the inner wall of the water outlet channel 12, and the outer wall of the water outlet pipe 13 and the inner wall of the second limiting body 14 are connected to each other. Improves the stability of the exhaust fan during transportation.

Further, a cooling body 15 is fixedly installed on the inner wall of the housing 6, a first groove body 16 is fixedly opened inside the cooling body 15, a second rotating body 17 is rotatably installed inside the cooling body 15, and a second rotating body 17 is fixedly installed on the outer wall of the second rotating body 17. The fan blades 18 and the housing 6 are arranged to facilitate the installation and disassembly of the cooling body 15 and facilitate maintenance.

Further, the inner wall of the second rotating body 17 is fixedly installed with a clamping member 19, and the inner wall of the clamping member 19 is fixedly installed with a first connecting body 20. The setting of the clamping member 19 improves the rotation effect of the second rotating body 17, which is conducive to stability. .

Further, a second groove body 21 is fixed inside the fan body 1, the second groove body 21 and the smoke exhaust channel 2 are connected to each other, and the cross-section of the first fan blade 5 The flue gas can enter the first groove body 16 in a large area, and the flue gas exhausting efficiency is maintained.

Further, the left end face of the first rotating body 4 is in a concave structure, the center of the left end of the first rotating body 4 is fixedly installed with a second connecting body 22, the second connecting body 22 and the inner wall of the first connecting body 20 are on the same plane, and the second connecting body 22 is on the same plane as the inner wall of the first connecting body 20. 22 and the first connecting body 20 are both connected with the rotating shaft of the driving motor 8, and the arrangement of the two connecting bodies on the same plane is conducive to stable rotation.

Working principle: First, use a hose to connect the water inlet pipe 10, connect the other end of the hose to the faucet, connect the other hose to the water outlet pipe 13, and connect the other end of the other hose to the outside of the exhaust fan In a reasonable position, open the faucet to add water to the water inlet pipe 10, start the driving motor 8, and make the first fan blade 5 and the second fan blade 18 rotate at the same time, and the exhaust effect can be realized. During the exhaust process, the heat and part of the hot air Entering the first tank body 16 from the gap of the first fan blade 5, the heat and hot air are accelerated and cooled by the rotation of the cold water and the second fan blade 18, and the heat is taken away to achieve the effect of heat exchange and cooling, and realize the exhaust fan in the Working for a long time in a high temperature environment.

Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than limiting the protection scope of the present invention. Without departing from the essence and scope of the technical solution of the present invention.

Claims (6)

1. A high-temperature-resistant centrifugal fire-fighting smoke exhaust fan, comprising a fan body, characterized in that: the outer wall of the fan body is fixedly installed with a smoke exhaust channel, the right end of the fan body is fixedly installed with a suction plate, and the fan body is fixedly installed. A first rotating body is rotatably installed inside, a first fan blade is fixedly installed on the outer wall of the first rotating body, a casing is fixedly installed at the left end of the fan body, a base is fixedly installed at the rear end of the casing, and the upper end of the base is fixedly installed A drive motor is fixedly installed, and a water inlet channel and a water outlet channel are fixedly installed on the outer wall of the casing. 2 . A high temperature resistant centrifugal fire-fighting smoke exhaust fan according to claim 1 , wherein a water inlet pipe is fixedly installed on the inner wall of the water inlet channel, and a first limiting body is fixedly installed at the front end of the base. 3 . and the second limiting body, the outer wall of the water inlet pipe and the inner wall of the first limiting body are connected to each other, the inner wall of the water outlet channel is fixedly installed with a water outlet pipe, and the outer wall of the water outlet pipe is connected to the inner wall of the second limiting body. 3. A high-temperature resistant centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: a cooling body is fixedly installed on the inner wall of the casing, and a first groove body is fixedly opened inside the cooling body, and the cooling body is A second rotating body is rotatably installed inside the cooling body, and a second fan blade is fixedly installed on the outer wall of the second rotating body. 4 . The high-temperature resistant centrifugal fire-fighting smoke exhaust fan according to claim 3 , wherein: the inner wall of the second rotor is fixedly installed with a clamping piece, and the inner wall of the clamping piece is fixedly installed with a first linker. 5 . The high-temperature resistant centrifugal fire-fighting smoke exhaust fan according to claim 1 , wherein a second groove body is fixedly opened inside the fan body, and the second groove body and the smoke exhaust passage communicate with each other. 6 . , the cross section of the first fan blade is an "L"-shaped structure. 6 . The high-temperature resistant centrifugal fire-fighting smoke exhaust fan according to claim 4 , wherein the left end face of the first rotating body is in a concave structure, and the center of the left end of the first rotating body is fixedly installed with a second rotating body. 7 . A connecting body, the second connecting body and the inner wall of the first connecting body are on the same plane.

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