CN215782205U

CN215782205U - Backflow type dust removal device of Raymond mill

Info

Publication number: CN215782205U
Application number: CN202122503347.6U
Authority: CN
Inventors: 张海涛
Original assignee: Baoji Rongfa New Material Technology Co ltd
Current assignee: Baoji Rongfa New Material Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-02-11
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a backflow type dust removal device of a Raymond mill, which belongs to the field of Raymond mills and comprises a dust removal cylinder, wherein an air induction cover is arranged at the top end of the dust removal cylinder, a filter bag is arranged at the bottom end of the air induction cover, and the filter bag is positioned in the dust removal cylinder; the inner wall of the dust removing cylinder is provided with a surrounding and blocking piece, the top end of the surrounding and blocking piece is open, the bottom end of the surrounding and blocking piece is provided with an opening, and the bottom end of the filter bag penetrates through the opening and is connected with a vibration mechanism; the vibrating mechanism comprises a fixed ring and a telescopic motor, the fixed ring is fixedly sleeved at the bottom end of the filter bag, the telescopic motor is fixedly arranged on the outer wall of the dust removing cylinder, and an output shaft of the telescopic motor is fixedly connected with the fixed ring; thereby flexible motor drives the retainer plate back and forth movement and makes the filter bag shake and shake off the dust on the filter bag, has guaranteed the relative clean of filter bag, encloses the dust particle that has prevented the dust fall and has caused the raise dust that keeps off the setting of keeping off.

Description

Backflow type dust removal device of Raymond mill

Technical Field

The utility model relates to the field of Raymond mills, in particular to a backflow type dust removal device of a Raymond mill.

Background

The Raymond mill is superfine grinding equipment for processing ores into powder, a large amount of tail gas containing dust can be generated in the production process of the Raymond mill, and a dust remover is required to remove dust from dust-containing gas to separate the dust from the gas and then discharge the dust and the gas due to the requirements of energy conservation, emission reduction and environmental protection. The dust collector of current raymond mill is along with the dust at the accumulation of filter material surface, though adopted the deashing mode of pulse jetting pipe, still can't guarantee the relative clean of filter bag to make the resistance grow of dust remover, dust collection efficiency can the step-down, can make dust pelletizing system's amount of wind show the decline simultaneously, and the dust particle that has subsided easily causes the raise dust once more.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a backflow type dust removal device of a Raymond mill, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a backflow type dust removal device of a Raymond mill comprises a dust removal cylinder, wherein an air induction cover is arranged at the top end of the dust removal cylinder, a filter bag is communicated with the bottom end of the air induction cover, and the filter bag is positioned in the dust removal cylinder;

the inner wall of the dust removing cylinder is provided with a baffle piece with a conical structure, the top end of the baffle piece is open, the bottom end of the baffle piece is provided with an opening, and the bottom end of the filter bag penetrates through the opening and is connected with a vibration mechanism;

the vibrating mechanism comprises a fixed ring and a telescopic motor, the fixed sleeve of the fixed ring is arranged at the bottom end of the filter bag, the telescopic motor is fixedly arranged on the outer wall of the dust removing cylinder, and the output shaft of the telescopic motor is fixedly connected with the fixed ring.

Preferably, a buffer pad is arranged on the inner wall of the dust removing cylinder opposite to the position of the fixed ring.

Preferably, a return pipe is arranged on the outer wall of the dust removing cylinder and communicated with the inner cavity of the dust removing cylinder, and the return pipe is arranged above the enclosing and blocking piece.

Preferably, a heating module is arranged on the inner wall of the dust removing cylinder.

Preferably, the bottom end of the dust removing cylinder is provided with a dust collecting hopper, and a dust collecting box is detachably arranged below the dust collecting hopper.

Preferably, the ash collecting hopper is of a cone-shaped structure.

Preferably, the top end of the filter bag is provided with a pulse injection tube.

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

1. the backflow type dust removal device of the Raymond mill provided by the utility model has the advantages that the fixing ring moves back and forth to shake off dust on the filter bag, the relative cleanness of the filter bag is ensured, the dust flying caused by dust falling dust particles is prevented due to the arrangement of the enclosing piece, and the shaken off dust can conveniently enter the dust collection hopper to be collected due to the conical structure of the enclosing piece.

2. The backflow type dust removal device of the Raymond mill provided by the utility model is additionally provided with the backflow pipe, so that fine dust particles which are not adsorbed by the filter bag circularly enter the filter bag to be filtered for multiple times, and the fine dust particles can be collected, thereby improving the dust environment.

Drawings

FIG. 1 is a schematic structural diagram of a backflow type dust removing device of a Raymond mill provided by the utility model;

FIG. 2 is a diagram showing the positional relationship among the telescopic motor, the fixing ring and the cushion pad.

Description of reference numerals: 1. a dust removal cylinder; 2. an induced draft cover; 3. a filter bag; 4. a surrounding blocking part; 6. a stationary ring; 7. a telescopic motor; 8. a return pipe; 9. a cushion pad; 10. a dust collecting hopper; 11. a dust collecting box; 12. the module is heated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the embodiment provides a backflow type dust removal device of a raymond mill, which includes a dust removal cylinder 1, an air induction cover 2 is disposed at a top end of the dust removal cylinder 1, a filter bag 3 is disposed at a bottom end of the air induction cover 2 in a communicating manner, and the filter bag 3 is located in the dust removal cylinder 1;

an enclosing piece 4 with a conical structure is arranged on the inner wall of the dust removing cylinder 1, the top end of the enclosing piece 4 is open, an opening is formed in the bottom end of the enclosing piece 4, the bottom end of the filter bag 3 penetrates through the opening, and a vibration mechanism is arranged at one end, away from the induced draft cover 2, of the filter bag 3;

the vibrating mechanism comprises a fixed ring 6 and a telescopic motor 7, the fixed ring 6 is fixedly sleeved at the bottom end of the filter bag 3, the telescopic motor 7 is fixedly arranged on the outer wall of the dust removing cylinder 1, and an output shaft of the telescopic motor 7 is fixedly connected with the fixed ring 6; when air containing dust enters the dust removing cylinder 1 from the air inducing cover 2 and is introduced into the filter bag 3, large-particle dust directly falls due to the action of gravity, and relatively fine dust is adsorbed on the filter bag 3, and when a large amount of dust is accumulated on the filter bag 3, the telescopic motor 7 is started, and the fixed ring 6 is driven by the output shaft to move back and forth, so that the dust on the filter bag 3 is shaken off, the filter bag 3 is kept relatively clean, the dust removing efficiency is improved, and the shaken off dust falls off along the enclosing piece 4; when the settled dust generates dust raising and moves upwards to the enclosing and blocking piece 4, the dust is blocked by the enclosing and blocking piece 4, so that the dust raising caused by the dust falling dust particles is avoided; the induced draft cover 2 refers to an induced draft cover of 29 model, which is manufactured by Shangzhou Shanghai province in the prior art.

In the present embodiment, as shown in fig. 2, a cushion pad 9 is disposed on the sidewall of the dust removing cylinder 1 opposite to the fixing ring 6; the buffer pad 9 prevents the fixed ring 6 from impacting the dust removing cylinder 1 so as to protect the dust removing cylinder 1.

In this embodiment, as shown in fig. 1, a return pipe 8 is disposed on an outer wall of the dust removing cylinder 1 and communicated with an inner cavity of the dust removing cylinder 1, and another end of the return pipe 8 is communicated with the filter bag 3, and the return pipe 8 is above the enclosing member 4; because the downward air flow generates negative pressure in the dust removing cylinder 1, according to the pressure balance principle, upward air flow is formed in the return pipe 8, and when dust with fine particle size is not adsorbed by the filter bag 3 and directly passes through the filter bag 3, the dust enters the return pipe 8 along with the air flow, so that the dust circularly enters the filter bag 3 for filtering, and the dust with fine particle size can also be collected.

In this embodiment, as shown in fig. 1, a heating module 12 is disposed on an inner wall of the dust removing cylinder 1, the heating module 12 heats the gas in the dust removing cylinder 1 to remove water vapor mixed in the gas, so as to avoid dust hardening due to mixing of the water vapor and the dust, and the heating module may be an electric heating plate in the prior art or a heating coil.

In the present embodiment, as shown in fig. 1, a dust collecting hopper 10 is disposed at the bottom end of the dust removing cylinder 1, a dust collecting box 11 is detachably disposed below the dust collecting hopper 10, and the processed dust is collected in the dust collecting box 11 through the dust collecting hopper 10.

In the present embodiment, as shown in fig. 1, the dust hopper 10 has a cone-shaped structure, so as to facilitate the collection of dust.

In this embodiment, as shown in fig. 1, a pulse injection tube is provided at the top end of the filter bag 3, and dust is removed by a combination of pulse injection and vibration, so as to improve the dust removal efficiency, and the pulse injection tube refers to a dust remover air storage bag of the prior art with a brand name of 00123.

The working principle is as follows: when air containing dust enters the dust removing cylinder 1 from the air inducing cover 2 and is introduced into the filter bag 3, large-particle dust directly falls due to the action of gravity, and relatively fine dust is adsorbed on the filter bag 3, and when a large amount of dust is accumulated on the filter bag 3, the telescopic motor 7 is started, so that the telescopic motor 7 drives the fixed ring 6 to move back and forth, the dust on the filter bag 3 is shaken off, the filter bag 3 is kept relatively clean, the dust removing efficiency is improved, and the shaken-off dust falls off along the enclosing piece 4; when the settled dust generates dust and moves upwards to the enclosing and blocking piece 4, the dust is blocked by the enclosing and blocking piece 4, and the dust is prevented from being raised due to the dust particles which fall dust.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the embodiments or portions thereof may be made, and any changes, substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The backflow type dust removal device of the Raymond mill is characterized by comprising a dust removal cylinder (1), wherein an air draft cover (2) is arranged at the top end of the dust removal cylinder (1), a filter bag (3) is communicated with the bottom end of the air draft cover (2), and the filter bag (3) is positioned in the dust removal cylinder (1);

the inner wall of the dust removing cylinder (1) is provided with a surrounding blocking piece (4) with a conical structure, the top end of the surrounding blocking piece (4) is open, the bottom end of the surrounding blocking piece is provided with an opening, and the bottom end of the filter bag (3) penetrates through the opening and is connected with a vibration mechanism;

the vibrating mechanism comprises a fixed ring (6) and a telescopic motor (7), the fixed ring (6) is fixedly sleeved at the bottom end of the filter bag (3), the telescopic motor (7) is arranged on the outer wall of the dust removing cylinder (1), and the output shaft of the telescopic motor (7) is fixedly connected with the fixed ring (6).

2. The reverse-flow dust removal device of the Raymond mill according to claim 1, characterized in that a buffer pad (9) is arranged on the inner wall of the dust removal cylinder (1) opposite to the fixed ring (6).

3. The backflow type dust removal device of the Raymond mill according to claim 1, characterized in that a backflow pipe (8) communicated with the inner cavity of the dust removal cylinder (1) is arranged on the outer wall of the dust removal cylinder (1), and the backflow pipe (8) is positioned above the enclosing piece (4).

4. The reverse-flow dust removal device of the Raymond mill according to claim 1, characterized in that a heating module (12) is arranged on the inner wall of the dust removal cylinder (1).

5. The backflow type dust removing device of the Raymond mill according to claim 1, characterized in that a dust collecting hopper (10) is arranged at the bottom end of the dust removing cylinder (1), and a dust collecting box (11) is detachably arranged below the dust collecting hopper (10).

6. The reverse-flow dust removing device of the Raymond mill according to claim 5, characterized in that the dust collecting hopper (10) is of a cone-shaped structure.

7. The reverse-flow dust removal device of the Raymond mill according to claim 1, characterized in that the top end of the filter bag (3) is provided with a pulse injection tube.