CN206785743U - A kind of Environmental-protecting dust-removing centrifugal fan - Google Patents

Abstract

The utility model discloses an environmental protection dust removal centrifugal fan, which comprises a driving motor and a casing, the output shaft of the driving motor is connected with a rotating shaft, the left side of the driving motor is provided with an organic casing, and the rotating shaft extends to one end of the casing The shaft sleeve is fixedly connected, the upper and lower sides of the rotating shaft are provided with blades, the outer surface of the shaft sleeve is provided with fins, the front side of the blade is provided with a cooling device, the inside of the casing is provided with an impeller front disc, and the left end of the impeller front disc is provided with There is an air inlet pipe, and the inside of the air inlet pipe is connected with a primary filter, an activated carbon filter and a secondary filter. The casing includes a fiberglass shell, and the inside of the fiberglass shell is provided with a fiber conductive layer, and the inside of the fiber conductive layer is provided with an anti-corrosion layer. , The utility model has a simple structure and a reasonable design, can effectively cool the device, improve the service life of the device, and at the same time, the device has the ability of anti-static and anti-corrosion.

Description

An environmental protection dust removal centrifugal fan

technical field

The utility model relates to a ventilator, in particular to an environmental protection dust removal centrifugal ventilator.

Background technique

Fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Modern fans are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings. Ventilation , Dust extraction and cooling, ventilation and induction of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household appliances, drying and selection of grain, wind tunnel wind source and inflation and propulsion of hovercraft, etc.

Centrifugal fans are also often used in the process of environmental protection coating. Centrifugal fans can immediately discharge the polluted gas generated in the process of environmental protection coating to prevent pollution. However, most modern centrifugal fans have many defects. For example, the modern ventilator will generate static electricity when it is in use, and the static electricity will cause serious damage to the ventilator. At the same time, when the modern ventilator is vacuuming, the inside of the ventilator is easily corroded, resulting in a reduction in the service life of the ventilator.

For this reason, aiming at the problems raised in the above-mentioned background technology, those skilled in the art have proposed a new type of centrifugal fan.

Utility model content

The purpose of this utility model is to provide an environmental protection dust removal centrifugal fan to solve the problems raised in the above background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

An environmental protection dust removal centrifugal fan, comprising a driving motor and a casing, the lower end of the driving motor is fixedly connected with a motor seat, the output shaft of the driving motor is connected with a rotating shaft; the left side of the driving motor is provided with a casing, and the rotating One end of the shaft extending to the casing is fixedly connected with a shaft sleeve, the upper and lower sides of the rotating shaft are provided with blades, and the outer surface of the shaft sleeve is provided with fins; the front side of the blade is provided with a cooling device, the cooling device includes a fixed sleeve, The cover plate and the radiation hole, the fixed sleeve is provided with a rotating shaft inside; the casing is provided with an impeller front plate, the impeller front plate is fixedly connected with the blades, the upper end of the impeller front plate is provided with an air outlet pipe, and the left end of the impeller front plate is provided with There is an air inlet pipe, and both the air inlet pipe and the air outlet pipe are connected with the inside of the casing; the inside of the air inlet pipe is fixedly connected with a primary filter, an activated carbon filter and a secondary filter in sequence from left to right, the primary filter, There is a gap between the activated carbon filter screen and the secondary filter screen; the casing includes a glass fiber reinforced plastic shell, and a fiber conductive layer is arranged on the inner side of the fiber conductive layer, and an anti-corrosion layer is arranged on the inner side of the fiber conductive layer.

Further, the rotating shaft is arranged horizontally.

Further, a gap is formed between the fins and the rear side of the casing.

Further, a plurality of radiation holes are opened on the cover plate.

Further, the mesh aperture of the primary filter is larger than the mesh aperture of the secondary filter.

Further, the anti-corrosion layer is made of vinyl resin material.

Compared with the prior art, the utility model can quickly dissipate a large amount of heat energy generated by the blades and the driving motor through the cooling device, prolonging the service life of the equipment, and forming a gap between the fins and the rear side of the casing, which can The kinetic energy dissipated during the operation of the device is converted into pressure energy, thereby improving the efficiency of the fan. The primary filter, activated carbon filter and secondary filter can play a role in filtering, and the fiber conductive layer in the casing can prevent static electricity from affecting the equipment. The anti-corrosion layer made of vinyl resin material can reduce the corrosion of the interior of the casing by halogen gas.

Description of drawings

Figure 1 is a schematic structural diagram of an environmental protection dust removal centrifugal fan.

Fig. 2 is a structural schematic diagram of the cooling device in the environmental dust removal centrifugal fan.

Fig. 3 is a structural schematic diagram of a casing in an environmental protection dust removal centrifugal fan.

detailed description

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Please refer to Figures 1-3, an environmentally friendly dust removal centrifugal fan, including a drive motor 14 and a casing 1, the lower end of the drive motor 14 is fixedly connected to a motor seat 13, and the output shaft of the drive motor 14 is connected to a rotating shaft 10; The left side of the drive motor 14 is provided with an organic casing 1, the rotating shaft 10 extends to one end of the casing 1 and is fixedly connected with a shaft sleeve 9, the upper and lower sides of the rotating shaft 10 are provided with blades 3, and the outer surface of the shaft sleeve 9 is arranged There are fins 8; the front side of the blade 3 is provided with a cooling device 15, the cooling device 15 includes a fixed sleeve 19, a cover plate 17 and a radiation hole 18, and a rotating shaft 10 is arranged inside the fixed sleeve 19; the inside of the casing 1 The impeller front plate 2 is provided, and the impeller front plate 2 is fixedly connected with the blades 3. The upper end of the impeller front plate 2 is provided with an air outlet pipe 1, and the left end of the impeller front plate 2 is provided with an air inlet pipe 4. The air inlet pipe 4 and the air outlet The pipes 1 are all connected to the inside of the casing 1; the inside of the air inlet pipe 4 is fixedly connected with a primary filter 7, an activated carbon filter 6 and a secondary filter 5 from left to right, the primary filter 7, and the activated carbon filter 6 A gap is left between the secondary filter screen 5; the casing 1 includes a glass fiber reinforced plastic shell 21, the inside of the glass fiber reinforced plastic shell 21 is provided with a fiber conductive layer 20, and the inside of the fiber conductive layer 20 is provided with an anti-corrosion layer 16.

As mentioned above, the rotating shaft 10 is arranged horizontally.

As mentioned above, the gap 11 is formed between the fin 8 and the rear side of the casing 1 .

As mentioned above, a plurality of radiation holes 18 are opened on the cover plate 17 .

As mentioned above, the mesh aperture of the primary filter 7 is larger than the mesh aperture of the secondary filter 5 .

As mentioned above, the anti-corrosion layer 16 is made of vinyl resin material.

The working principle of the utility model is: through the cooling device 15, a large amount of heat energy generated by the blade 3 and the driving motor 14 can be quickly dissipated to prolong the service life of the equipment, and a gap is formed between the fin 8 and the rear side of the casing 1 11. It can convert the kinetic energy dissipated during the operation of the device into pressure energy, thereby improving the efficiency of the fan. The primary filter 7, the activated carbon filter 6 and the secondary filter 5 can play the role of filtering. The fiber conductive layer 20 can prevent static electricity from affecting the equipment, and the anti-corrosion layer 16 made of vinyl resin material can reduce the corrosion of the halogen gas to the inside of the casing 1 .

The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation, and within the knowledge of those of ordinary skill in the art, it can also be made without departing from the purpose of this patent. Variations.

Claims (6)

1. a kind of Environmental-protecting dust-removing centrifugal fan, including motor and casing, it is characterised in that the lower end of the motor Motor cabinet is fixedly connected with, the output shaft of motor is connected with rotary shaft；Casing is provided with the left of the motor, is turned One end that moving axis extends to casing is fixedly connected with axle sleeve, and the both sides up and down of rotary shaft are provided with blade, and the outer surface of axle sleeve is set It is equipped with fin；Cooling device is provided with front side of the blade, cooling device includes fixed cover, cover plate and radiating aperture, fixed cover It is internally provided with rotary shaft；The casing internal is provided with impeller front disc, and impeller front disc is fixedly connected with blade, impeller front disc Upper end is provided with discharge pipe, and the left end of impeller front disc is provided with blast pipe, and blast pipe and discharge pipe connect with casing internal；Institute State to be fixedly connected sequentially from left to right inside blast pipe and have primary filter net, activated charcoal strainer and secondary filter net, primary mistake Space is left between filter screen, activated charcoal strainer and secondary filter net；The casing includes glass fibre reinforced plastics casing, glass fibre reinforced plastics casing Inner side is provided with fiber conductive layer, and corrosion-resistant coating is provided with the inside of fiber conductive layer.

2. Environmental-protecting dust-removing centrifugal fan according to claim 1, it is characterised in that the rotary shaft is horizontally disposed with.

3. Environmental-protecting dust-removing centrifugal fan according to claim 1, it is characterised in that the trailing flank of the fin and casing Between form gap.

4. Environmental-protecting dust-removing centrifugal fan according to claim 1, it is characterised in that multiple spokes are offered on the cover plate Perforation.

5. Environmental-protecting dust-removing centrifugal fan according to claim 1, it is characterised in that the mesh hole of the primary filter net Footpath is more than the mesh aperture of secondary filter net.

6. Environmental-protecting dust-removing centrifugal fan according to claim 1, it is characterised in that the corrosion-resistant coating uses vinyl Resin material is made.