CN221683289U - Air supply component of a circulation fan - Google Patents

Abstract

The utility model relates to the technical field of circulating fans, in particular to an air supply assembly of a circulating fan, which comprises a base plate, an air box and a filter box, wherein the upper end of the base plate is provided with support rods distributed in an array, the upper ends of the support rods are provided with fan bodies, the fan bodies are rotatably provided with rotating shafts, the tail ends of the rotating shafts are provided with impellers, the side ends of the fan bodies are provided with second air inlet pipes which are symmetrically distributed, the second air inlet pipe is communicated with the fan body, the filter box is arranged at the tail end of the second air inlet pipe and communicated with the second air inlet pipe, a filter screen is arranged in the filter box, an air outlet pipe is arranged at one side end of the fan body, deviating from the second air inlet pipe, of the fan body, the air box is arranged at the tail end of the air outlet pipe, an air supply pipe distributed in an array is arranged at the side end of the air box, and a valve is arranged on the air supply pipe. The utility model has the advantages of filtering impurities and simultaneously blowing a plurality of production devices.

Description

Air supply component of a circulation fan

Technical Field

The utility model relates to the technical field of circulating fans, in particular to an air supply component of a circulating fan.

Background Art

The circulating fan is used for ventilation of the raw material mill system, and the blades of the raw material vertical mill circulating fan need to be treated with wear resistance. The medium of the cement mill circulating fan is dusty gas containing clinker, which is highly abrasive, requiring the impeller to be made of wear-resistant steel or surfacing treatment, and all parts that come into contact with the medium need to be treated with wear resistance.

When the circulating fan is in use, particulate impurities will enter the fan casing. The particulate impurities will cause greater wear on the impeller and the inner wall of the casing, reducing the service life of the circulating fan. In addition, the circulating fan is only equipped with one pipe for air supply, which can only supply air to one production equipment, and the efficiency is low.

Utility Model Content

The utility model aims to provide an air supply component of a circulating fan, which has the advantages of being able to filter impurities and supply air to multiple production equipment at the same time, thereby solving the problems raised by the above-mentioned background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air supply assembly of a circulating fan, comprising a base plate, a bellows and a filter box, the upper end of the base plate is equipped with support rods distributed in an array, the upper end of the support rods is equipped with a fan body, a rotating shaft is rotatably installed in the fan body, and an impeller is installed at the end of the rotating shaft, a second air inlet pipe distributed symmetrically is installed at the side end of the fan body, the second air inlet pipe is connected to the fan body, the filter box is installed at the end of the second air inlet pipe, the filter box is connected to the second air inlet pipe, a filter is arranged in the filter box, an air outlet pipe is installed at one side end of the fan body away from the second air inlet pipe, the bellows is installed at the end of the air outlet pipe, and the bellows is connected to the air outlet pipe, the side end of the bellows is equipped with air supply pipes distributed in an array, and a valve is arranged on the air supply pipe.

Preferably, a drive box is installed at the side end of the fan body, a drive device is arranged in the drive box, and the main shaft of the drive device is connected to the axis of the rotating shaft. The drive device in the drive box can rotate the rotating shaft when it is working.

Preferably, a box cover is installed at the side end of the filter box, and the first air inlet pipe is embedded and installed at the side end of the box cover. The filter screen can be cleaned by opening the box cover regularly.

Preferably, the outer surface of the box cover is installed with a first mounting plate distributed in an array, the first mounting plate is provided with mounting holes, the outer surface of the filter box is installed with a second mounting plate distributed in an array, the second mounting plate is provided with threaded holes corresponding to the mounting holes, and bolts are installed with the mounting holes and the inner threads of the threaded holes. The bolts can be provided to install the box cover.

Preferably, a feed pipe connected to the filter box is installed at the lower end of the filter box, and a valve is arranged on the feed pipe. The setting of the feed pipe can discharge the particulate impurities trapped by the filter.

Compared with the prior art, the beneficial effects of the utility model are as follows: during operation, the filter net can filter and retain particulate impurities, preventing the particulate impurities from entering the fan and causing wear of the internal structure of the fan, which is beneficial to increasing the service life of the fan. When supplying air, the air can be discharged from multiple air supply pipes 7, and air can be supplied to multiple production equipment at the same time, which can improve their production efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a cross-sectional structure of the utility model in a front view;

FIG2 is a partial front view of the structure of the utility model;

FIG. 3 is a front view of the structure of the present utility model.

The reference numerals and names in the figures are as follows:

1. First air inlet duct; 2. Box cover; 3. Feeding pipe; 4. Second air inlet duct; 5. Base plate; 6. Support rod; 7. Air supply duct; 8. Bellows; 9. Air outlet duct; 10. Impeller; 11. Fan body; 12. Rotating shaft; 13. Drive box; 14. Filter; 15. Filter box.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Embodiment 1

Please refer to Figures 1 to 3. An embodiment of the utility model is provided: an air supply component of a circulating fan, comprising a base plate 5, a wind box 8 and a filter box 15. The upper end of the base plate 5 is equipped with support rods 6 distributed in an array, and the upper end of the support rods 6 is equipped with a fan body 11. A rotating shaft 12 is rotatably installed in the fan body 11, and an impeller 10 is installed at the end of the rotating shaft 12. A drive box 13 is installed at the side end of the fan body 11, and a drive device is arranged in the drive box 13. The main shaft of the drive device is connected to the axis of the rotating shaft 12. A second air inlet pipe 4 distributed symmetrically is installed at the side end of the fan body 11, and the second air inlet pipe 4 is connected to the fan body 11. The filter box 15 is installed at the end of the second air inlet pipe 4, and the filter box 15 is connected to the second air inlet pipe 4. There is a filter screen 14, and a feed pipe 3 connected to the filter box 15 is installed at the lower end of the filter box 15, and a valve is provided on the feed pipe 3, and a box cover 2 is installed on the side end of the filter box 15, and a first air inlet pipe 1 is embedded and installed on the side end of the box cover 2, and a first mounting plate distributed in an array is installed on the outer surface of the box cover 2, and mounting holes are opened on the first mounting plate, and a second mounting plate distributed in an array is installed on the outer surface of the filter box 15, and threaded holes corresponding to the mounting holes are opened on the second mounting plate, and bolts are installed with the inner threads of the mounting holes and the threaded holes. The driving device in the driving box 13 in the utility model is a well-known device, and its working principle is well known to those skilled in the art, and belongs to conventional means or common knowledge, which will not be repeated here, and those skilled in the art can make any selection according to their needs or convenience.

In this embodiment, during operation, the impeller 10 can be made to rotate at high speed by operating the driving device in the driving box 13, and the air can enter the filter box 15 from the first air inlet pipe 1. The particulate impurities can be filtered and retained through the filter net 14 to prevent the particulate impurities from entering the fan. When a large amount of impurities are filtered and retained in the filter box 15, the retained impurities can be discharged from the filter box 15 through the discharge pipe 3.

Embodiment 2

Please refer to Figures 1 to 3. The utility model provides an embodiment: an air supply component of a circulating fan. Compared with the first embodiment, this embodiment also includes: an air outlet pipe 9 is installed on the side end of the fan body 11 away from the second air inlet pipe 4, the bellows 8 is installed at the end of the air outlet pipe 9, and the bellows 8 is connected to the air outlet pipe 9, and the side end of the bellows 8 is provided with air supply pipes 7 distributed in an array, and the air supply pipes 7 are provided with valves.

In this embodiment, the impeller 10 can supply air while rotating at high speed. The air can enter the bellows 8 from the air outlet pipe 9, and then the air can be discharged from multiple air supply pipes 7. The multiple air supply pipes 7 are connected to multiple production equipment, so that air can be supplied to multiple production equipment at the same time.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims (5)

1. An air supply assembly of a circulation fan, comprising a base plate (5), a wind box (8) and a filter box (15), characterized in that: the upper end of the base plate (5) is equipped with support rods (6) distributed in an array, the upper end of the support rods (6) is equipped with a fan body (11), a rotating shaft (12) is rotatably installed in the fan body (11), an impeller (10) is installed at the end of the rotating shaft (12), and a second air inlet pipe (4) is symmetrically distributed on the side end of the fan body (11), and the second air inlet pipe (4) is symmetrically connected to the fan body The fan body (11) is connected to the second air inlet pipe (4), the filter box (15) is installed at the end of the second air inlet pipe (4), the filter box (15) is connected to the second air inlet pipe (4), a filter screen (14) is arranged in the filter box (15), an air outlet pipe (9) is installed on one side end of the fan body (11) away from the second air inlet pipe (4), the wind box (8) is installed at the end of the air outlet pipe (9), and the wind box (8) is connected to the air outlet pipe (9), and the side end of the wind box (8) is provided with air supply pipes (7) distributed in an array, and a valve is arranged on the air supply pipe (7). 2. An air supply assembly for a circulating fan according to claim 1, characterized in that a drive box (13) is installed at the side end of the fan body (11), a drive device is arranged in the drive box (13), and the main shaft of the drive device is connected to the axis of the rotating shaft (12). 3. An air supply assembly for a circulating fan according to claim 1, characterized in that a box cover (2) is installed at the side end of the filter box (15), and a first air inlet pipe (1) is embedded and installed at the side end of the box cover (2). 4. An air supply assembly for a circulating fan according to claim 3, characterized in that: the outer surface of the box cover (2) is installed with a first mounting plate distributed in an array, and the first mounting plate is provided with mounting holes; the outer surface of the filter box (15) is installed with a second mounting plate distributed in an array, and the second mounting plate is provided with threaded holes corresponding to the mounting holes, and bolts are installed between the mounting holes and the inner threads of the threaded holes. 5. An air supply assembly for a circulating fan according to claim 1, characterized in that a feed pipe (3) communicating with the filter box (15) is installed at the lower end of the filter box (15), and a valve is provided on the feed pipe (3).