CN220726697U

CN220726697U - High-temperature fan

Info

Publication number: CN220726697U
Application number: CN202322406139.3U
Authority: CN
Inventors: 杨永根; 周伟奇; 莫德贵; 王志鹏
Original assignee: Yingde Conch Cement Co ltd
Current assignee: Yingde Conch Cement Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-05
Anticipated expiration: 2033-09-05

Abstract

The utility model relates to the technical field of fans, in particular to a high-temperature fan. Its technical scheme includes organism, installation cover, filter screen, motor and ash bucket, the organism front end is provided with the filter screen, organism internal rotation installs pivot two, pivot two one end is provided with the scraper blade, the organism plays to be provided with the installation cover, the installation cover below is provided with the ash bucket, ash bucket one end is provided with the motor, motor one end is provided with pivot one, pivot one outer wall is provided with the hank piece that is spiral distribution. According to the utility model, through the cooperation between the filter screen and the ash bucket structure, the filter screen intercepts dust and dirt, the inner blade and the rotating cavity nodule of the fan are avoided, the energy consumption and the inner abrasion of the machine body are increased, the filter screen is cleaned by the scraping plate, the collected dust and dirt are stored by the spring dust, and the twisted piece is output.

Description

High-temperature fan

Technical Field

The utility model relates to the technical field of fans, in particular to a high-temperature fan.

Background

Waste heat and waste gas generated by combustion in a rotary kiln of the novel dry cement production line are preheated and homogenized by a preheater under the action of a kiln tail high-temperature fan, and the cooled waste heat and waste gas is pumped out by the high-temperature fan to enter waste gas treatment.

The utility model discloses a high-temperature fan, which comprises a motor, a motor rotating shaft, a heat insulation layer, an impeller, a reverse thrust blade and a volute, wherein a motor support is fixedly connected to the bottom end of the motor, the middle part of the motor rotating shaft is fixedly connected with the heat insulation layer in a penetrating way, the heat insulation layer is used for isolating high-temperature air, one end of the heat insulation layer is fixedly connected with the motor support through welding, the other end of the heat insulation layer is fixedly connected with the volute through a screw, one side of the volute is provided with a shaft hole, the motor rotating shaft penetrates through the shaft hole on one side of the volute, the impeller is fixedly connected with the top end of the motor rotating shaft and is used for driving the high-temperature air, the reverse thrust blade is fixedly arranged on one side of the impeller and can suck ambient normal-temperature air into a shell through a motor shaft channel, and an air inlet is fixedly arranged on the other end of the volute and is coaxially arranged with the air inlet.

In the process of CN208396969U use, waste heat and waste gas are extracted through the air inlet, but dust and dirt in the gas can enter the fan, the dust and dirt can cause abrasion of rotating cavities in the blades and the shell, and meanwhile, the dust and dirt are nodular on the shell and the blades, so that the load and the loss of the fan can be increased, and the high-temperature fan is provided for solving the existing problems.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides a high-temperature fan.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature fan, includes organism, installation cover, filter screen, motor and ash bucket, the organism front end is provided with the filter screen, organism internal rotation installs pivot two, pivot two one end is provided with the scraper blade, the organism plays and is provided with the installation cover, the installation cover below is provided with the ash bucket, ash bucket one end is provided with the motor, motor one end is provided with pivot one, pivot one outer wall is provided with the hank piece that is spiral distribution.

When the high-temperature fan in the scheme is used, the rotating shaft II drives the inner blade to rotate during operation of the fan to generate negative pressure extraction gas, the gas intercepts dust and dirt when passing through the filter screen, the rotating shaft II drives the scraping plate to scrape the outer wall of the filter screen, the intercepted and stripped dust is conveyed into the ash bucket through the conveying pipe, the ash guide plate guides the dust and dirt, the motor operates to drive the cutter blade to rotate, the accumulated dust and dirt in the interior are spirally conveyed to the ash discharge port, and the valve is opened to discharge the dust and dirt

Preferably, the rear end of the filter screen is provided with a grid plate, the side of the grid plate is connected with the inner wall of the opening of the machine body, a bearing is embedded and installed in the grid plate, and one end of the rotating shaft penetrates through the bearing in a rotating mode. The grid plate supports the net through guaranteeing gas to pass through, and the internal bearing plays a role in rotating and supporting the second rotating shaft.

Preferably, two guide plates which are distributed oppositely and are inclined downwards with the opening in the ash bucket are arranged in the ash bucket, and three sides of each guide plate are connected with the inner wall of the ash bucket. The guide plate conveys dust and dirt at the lower part of the inclined plane of the guide box, and simultaneously reduces the negative pressure generated by the fan.

Preferably, the upper end of the ash bucket is provided with a conveying pipe, and the upper end of the conveying pipe penetrates through the mounting cover. The conveying pipe conveys dust in the installation cover to the ash bucket.

Preferably, the front end of the mounting cover is provided with an air inlet which is inclined and has an opening facing obliquely upwards. The air inlet of the inclined plane prevents dust intercepted by the filter screen from flowing to the outside.

Preferably, one end of the rotating shaft is rotatably arranged in the lower end of the ash bucket, and the lower end of the machine body is provided with a bracket. The first rotating shaft is rotatably supported in the machine body.

Preferably, the ash bucket lower extreme is provided with the ash mouth, the ash mouth lower extreme is provided with the valve. The ash-beating opening discharges dust, and the opening and the closing of the ash-discharging opening are controlled through a valve.

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

1. according to the utility model, the filter screen is arranged at the air inlet of the fan to intercept dust in the waste gas, so that the dust is prevented from being in the inner structure of the blade or the machine body, the burden of the fan is increased, the loss of the fan is increased, and the effect of protecting the inside of the fan is realized;

2. the dust after the clearance is collected through the ash bucket, through hank piece spiral output, realizes collecting the clearance of dust, installs the scraper blade at fan output shaft end, drives the rotor simultaneously and to the filter screen clearance during rotation.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

fig. 3 is a schematic side view of the present utility model.

Reference numerals: 1. a body; 2. a mounting cover; 3. a filter screen; 4. a first rotating shaft; 5. a bracket; 6. an ash discharge port; 7. a valve; 8. a motor; 9. twisting sheets; 10. an ash bucket; 11. a delivery tube; 12. a second rotating shaft; 13. a scraper; 14. an air inlet; 15. and a deflector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-3, the high-temperature fan provided by the utility model comprises a machine body 1, a mounting cover 2, a filter screen 3, a motor 8 and an ash bucket 10, wherein the filter screen 3 is arranged at the front end of the machine body 1, a grid plate is arranged at the rear end of the filter screen 3, the side of the grid plate is connected with the inner wall of an opening of the machine body 1, a rotating shaft II 12 is rotatably arranged in the machine body 1, a scraping plate 13 is arranged at one end of the rotating shaft II 12, a bearing is embedded in the grid plate, one end of the rotating shaft II 12 penetrates through the bearing, the machine body 1 is provided with the mounting cover 2, the ash bucket 10 is arranged below the mounting cover 2, a conveying pipe 11 is arranged at the upper end of the ash bucket 10, the upper end of the conveying pipe 11 penetrates through the mounting cover 2, and an air inlet 14 which is inclined and has an opening facing obliquely upwards is arranged at the front end of the mounting cover 2.

The procedure is based on example 1: when the fan operates, the filter screen 3 intercepts dust and dirt, part of the dust and dirt fall into the installation cover 2, part of the dust and dirt adheres to the filter screen, the second rotating shaft 12 rotates to the inner blade of the machine body 1, the scraping plate 13 is driven to brush the outer wall of the filter screen 3, the adhered dust and dirt are stripped, the abrasion of the dust and dirt on the blade and the inner rotating cavity of the machine body 1 are avoided, meanwhile, the dust and dirt are prevented from being in the inner nodules of the blade and the machine shell, the energy consumption and the burden of the machine body 1 are increased, and the loss of the machine body 1 is aggravated.

Example two

As shown in fig. 1-3, compared with the first embodiment, the high temperature fan according to the present utility model further includes: the ash bucket 10 one end is provided with motor 8, and motor 8 one end is provided with pivot one 4, and pivot one 4 outer wall is provided with and is spiral distributed's hank piece 9, and pivot one 4 one end rotates to be installed in ash bucket 10 lower extreme inside, and organism 1 lower extreme is provided with support 5, and ash bucket 10 lower extreme is provided with ash discharge port 6, and ash discharge port 6 lower extreme is provided with valve 7, and ash bucket 10 inside is provided with two relative distributions and with ash bucket 10 inside opening inclined plane guide plate 15 down, and guide plate 15 three sides are connected with ash bucket 10 inner wall.

In this embodiment, the intercepted and stripped dust is conveyed to the dust hopper through the conveying pipe 11, the dust guide plate 10 guides the dust and dirt, the motor 8 operates to drive the wringer 9 to rotate, the dust and dirt accumulated in the interior is spirally output, and the dust and dirt are discharged out of the environment through the dust discharge port 6.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics 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 high temperature fan, includes organism (1), installation cover (2), filter screen (3), motor (8) and ash bucket (10), its characterized in that: the novel dust collector is characterized in that a filter screen (3) is arranged at the front end of the machine body (1), a rotating shaft II (12) is installed in the machine body (1) in a rotating mode, a scraping plate (13) is arranged at one end of the rotating shaft II (12), an installation cover (2) is arranged on the machine body (1), a dust hopper (10) is arranged below the installation cover (2), a motor (8) is arranged at one end of the dust hopper (10), a rotating shaft I (4) is arranged at one end of the motor (8), and twisted pieces (9) which are in spiral distribution are arranged on the outer wall of the rotating shaft I (4).

2. A high temperature fan as claimed in claim 1, wherein: the rear end of the filter screen (3) is provided with a grid plate, the side of the grid plate is connected with the inner wall of the opening of the machine body (1), a bearing is embedded and installed in the grid plate, and one end of the second rotating shaft (12) rotates to penetrate through the bearing.

3. A high temperature fan as claimed in claim 1, wherein: two guide plates (15) which are distributed oppositely and are inclined downwards with the opening in the ash bucket (10) are arranged in the ash bucket (10), and three sides of each guide plate (15) are connected with the inner wall of the ash bucket (10).

4. A high temperature fan as claimed in claim 1, wherein: the upper end of the ash bucket (10) is provided with a conveying pipe (11), and the upper end of the conveying pipe (11) penetrates through the mounting cover (2).

5. A high temperature fan as claimed in claim 1, wherein: the front end of the mounting cover (2) is provided with an air inlet (14) which is inclined and is opened upwards obliquely.

6. A high temperature fan as claimed in claim 1, wherein: one end of the first rotating shaft (4) is rotatably arranged in the lower end of the ash bucket (10), and a bracket (5) is arranged at the lower end of the machine body (1).

7. A high temperature fan as claimed in claim 1, wherein: the lower end of the ash bucket (10) is provided with an ash discharge port (6), and the lower end of the ash discharge port (6) is provided with a valve (7).