CN218475408U - Dust fall equipment of flour mill - Google Patents

Abstract

The application discloses a dust reduction device for a pulverizer, which relates to the technical field of pulverizers. The application includes a milling box, the top side of the milling box is hinged with a closing plate, and the inside of the milling box is installed with a milling roller shaft, and the top of the milling box is fixedly connected with a dust extraction box, the One side of the dust extraction box is fixedly connected with a plurality of dust extraction pipes, one end of the dust extraction pipe is connected with the powder milling box, the top of the dust extraction box is fixedly connected with a blower, and the inside of the dust extraction box is installed with a The disassembled filter screen, a sealing plate is hinged on one side of the dust extraction box, and a dust scraping assembly is installed inside the dust extraction box. When the material is crushed, the cleaning assembly is driven by the operation of the cleaning assembly The internal components scrape the filter screen, and then wipe off the dust attached to the filter screen, so as to prevent the dust from clogging the filter screen, preventing the dust extraction efficiency of the equipment from being affected, and the dust suppression effect of the equipment from being affected.

Description

A mill dust suppression equipment

technical field

The present application relates to the technical field of pulverizers, in particular to dust reduction equipment for pulverizers.

Background technique

The pulverizer is widely used in the grinding processing of mineral products in the fields of metallurgy, building materials, chemical industry, mining and so on. According to the fineness of the ground material and the fineness of the discharged material, the mill can be divided into vertical pendulum mill, high-pressure suspension roller mill, high-pressure micro-powder mill, straight-through centrifugal mill, super-pressure trapezoidal mill There are six kinds of pulverizers, such as pulverizer and three-ring medium-speed pulverizer. When the pulverizer grinds materials, it will generate a lot of material dust. Therefore, it is necessary to deal with the raised dust through dust suppression equipment to prevent Dust leaked out.

Most of the existing dust suppression equipment uses a fan to pump the dust into the collection box, and the dust is filtered out and stored through the filter screen or filter bag inside the collection box, so as to carry out dust suppression treatment on the mill, but when it is used for a long time, the dust It will inevitably block the filter screen, which will affect the dust extraction efficiency, thereby affecting the dust reduction effect of the equipment.

Utility model content

The purpose of this application is to solve the problem that dust will inevitably block the filter screen during long-term use, thereby affecting the dust extraction efficiency, thereby affecting the dust suppression effect of the equipment. This application provides a dust suppression device for a pulverizer.

The application specifically adopts the following technical solutions in order to achieve the above object:

A kind of dust reduction equipment for a pulverizer, comprising a pulverizing box, a closing plate is hinged on one side of the top of the pulverizing box, and a pulverizing roller shaft is installed inside the pulverizing box, and the top of the pulverizing box is fixedly connected with a A dust extraction box, one side of the dust extraction box is fixedly connected with a plurality of dust extraction pipes, one end of the dust extraction pipe communicates with the milling box, the top of the dust extraction box is fixedly connected with an air extractor, and the dust extraction A detachable filter screen is installed inside the box, a sealing plate is hinged on one side of the dust extraction box, a dust scraping assembly is installed inside the dust extraction box, and a filter for cleaning the filter screen is installed inside the dust extraction box. Cleaning brush assembly for brushing.

By adopting the above technical scheme, the internal components of the cleaning assembly scrape the filter screen under the operation of the cleaning assembly, and then wipe off the dust attached to the filter screen to prevent the dust from clogging the filter screen and preventing the equipment from being affected The dust extraction efficiency is high, so as to avoid affecting the dust reduction effect of the equipment. When the dust reduction of the equipment is completed, the sealing plate can be opened, and through the operation of the dust scraping component, the internal components of the dust scraping component can scrape off the dust collected inside the dust extraction box. Then, the dust is scraped off from one side of the dust extraction box, so that people can quickly clean the dust inside the dust extraction box, which is convenient for people to use.

Further, both sides inside the dust extraction box are fixedly connected with installation grooves, and the filter screen is slidably installed inside the installation grooves.

By adopting the above technical solution, the filter screen can be disassembled by manually pulling out the filter screen from the installation groove.

Further, the cleaning assembly includes a motor one fixedly connected to one side of the dust extraction box, the output end of the motor one is fixedly connected with a bidirectional threaded rod one, and one side of the dust extraction box is fixedly connected with a guide rod 1. The two-way threaded rod is threadedly connected with a drive plate, one end of the drive plate is connected through the guide rod, and the top of the drive plate is fixedly connected with a brush plate.

By adopting the above technical scheme, the operation of the motor one drives the two-way threaded rod one to rotate, and then drives the brush plate to scrape the filter screen.

Further, the dust scraping assembly includes two guide rods fixedly connected to both sides inside the dust extraction box, one side of the dust extraction box is fixedly connected to a motor two, and the output end of the second motor is fixedly connected to a two-way threaded rod Second, one end of the two-way threaded rod two is fixedly connected to a limit block, and a dust scraper is threaded on the two-way threaded rod two.

By adopting the above technical scheme, the two-way threaded rod 2 is driven to rotate under the operation of the motor 2, and then the dust scraping part is driven to wipe the dust inside the dust extraction box.

Further, the dust scraping part includes a sleeve plate screwed on the two-way threaded rod two, both sides of the sleeve plate are connected through the sleeve plate, and a plurality of springs are fixedly connected inside the sleeve plate, the One end of the spring is fixedly connected with an inner plate.

By adopting the above technical solution, the inner plate is always in contact with the inner bottom of the dust extraction box through the elastic action of the spring, so as to scrape off the dust.

Further, the inner bottom of the dust extraction box is in an inclined state, and the inner plate is attached to the inner bottom of the dust extraction box.

By adopting the above technical solution, the inner bottom of the dust extraction box is inclined, so as to facilitate the rapid discharge of dust inside the dust extraction box.

In summary, the present application includes at least one of the following beneficial effects;

1. When the material is crushed, the internal components of the cleaning assembly scrape the filter screen through the operation of the cleaning assembly, and then wipe off the dust attached to the filter screen to prevent the dust from clogging the filter screen. Avoid affecting the dust extraction efficiency of the equipment and avoid affecting the dust suppression effect of the equipment.

2. When the equipment has finished dust reduction, the sealing plate can be opened, and the internal components of the dust scraping assembly can scrape off the dust collected inside the dust extraction box through the operation of the dust extraction assembly, and then scrape the dust from the side of the dust extraction box In order to facilitate people to quickly clean up the dust inside the dust extraction box, it is convenient for people to use.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present application;

Fig. 2 is the partial structural diagram of dust extraction box among the present application;

Fig. 3 is the installation structure diagram of filter screen in the present application;

Fig. 4 is the structural representation of cleaning assembly in the present application;

Fig. 5 is the installation structure diagram of dust scraping assembly in the present application;

Fig. 6 is a structural schematic diagram of the dust scraping member in the present application.

Explanation of reference signs:

1. Milling box; 2. Milling roller shaft; 3. Closed plate; 4. Dust extraction box; 5. Sealing plate; 6. Dust extraction pipe; 7. Cleaning brush assembly; 8. Filter screen; Components; 10, exhauster; 41, installation groove; 71, motor one; 72, two-way threaded rod one; 73, guide rod one; 74, drive plate; 75, brush plate; 91, motor two; 92, two-way thread Bar two; 93, guide rod two; 94, dust scraping parts; 95, limit block; 941, cover plate; 942, spring; 943, inner plate.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-6.

The embodiment of the present application discloses a dust suppression device for a pulverizer.

Referring to Fig. 1-Fig. 6, a kind of dust reduction equipment for a pulverizer includes a pulverizing box 1, a closing plate 3 is hinged on the top side of the pulverizing box 1, and a pulverizing roller shaft 2 is installed inside the pulverizing box 1, The top of the powder milling box 1 is fixedly connected with a dust extraction box 4, and one side of the dust extraction box 4 is fixedly connected with a plurality of dust extraction pipes 6, one end of the dust extraction pipes 6 communicates with the milling box 1, and the top of the dust extraction box 4 A blower 10 is fixedly connected, and a detachable filter screen 8 is installed inside the dust extraction box 4, a sealing plate 5 is hinged on one side of the dust extraction box 4, and a dust scraping assembly 9 is installed inside the dust extraction box 4. The inside of the dust box 4 is equipped with a cleaning assembly 7 for brushing the filter screen 8. When the material is ground, the material can be poured into the grinding box 1, and the material is ground by the grinding roller shaft 2. During powder grinding, the dust extraction box 4 is exhausted under the operation of the air extractor 10, so that the internal air pressure of the dust extraction box 4 is reduced, and then the dust inside the grinding powder box 1 is sucked into the dust extraction box 4 from the dust extraction pipe 6, and passed through The filter screen 8 blocks the flying dust, so that the flying dust is stored in the dust extraction box 4, so as to carry out dust reduction treatment on the dust, and the filter screen 8 can be scraped by the cleaning assembly 7, and then the dust attached to the filter screen 8 will be removed. Wipe to prevent dust from clogging the filter screen 8. When the powder grinding is completed, the sealing plate 5 can be opened, and the dust inside the dust extraction box 4 can be scraped off from one side by the operation of the scraper assembly 9, so that It is used to quickly remove the dust in the dust extraction box 4, thereby facilitating people to clean up the dust extraction box 4.

Referring to Figures 2 and 3, both sides of the interior of the dust extraction box 4 are fixedly connected with installation grooves 41, and the filter screen 8 is slidably installed on the inside of the installation groove 41. When the filter screen 8 needs to be replaced or cleaned, the sealing plate 5 can be Open it, and manually pull out the filter screen 8 from the installation groove 41, so that people can disassemble and clean the filter screen 8.

Referring to Fig. 4, the cleaning assembly 7 includes a motor one 71 fixedly connected to one side of the dust extraction box 4, the output end of the motor one 71 is fixedly connected with a two-way threaded rod one 72, and the inner side of the dust extraction box 4 is fixedly connected with a guide Rod one 73, two-way threaded rod one 72 is screwed with drive plate 74, one end of drive plate 74 is connected with guide rod one 73, and the top of drive plate 74 is fixedly connected with brush plate 75, under the operation of motor one 71 , drive the two-way threaded rod-72 to rotate, the two-way threaded rod-72 under the rotation can drive the drive plate 74, so that the drive plate 74 moves back and forth on the two-way threaded rod-72, and then drives the brush plate 75 to the filter screen 8 Scrape to clean up the dust on the filter screen 8 with this.

Referring to Fig. 5, the dust scraping assembly 9 includes two guide rods 93 fixedly connected to both sides of the dust extraction box 4, one side of the dust extraction box 4 is fixedly connected with a motor two 91, and the output end of the second motor 91 is fixedly connected with a two-way screw thread Rod two 92, one end of two-way threaded rod two 92 is fixedly connected with limiting block 95, and two-way threaded rod two 92 is screwed with dust scraper 94, under the operation of motor two 91, drives two-way threaded rod two 92 to rotate, rotates The two-way threaded rod two 92 below can drive the dust scraping part 94, and then make the dust scraping part 94 carry out dust wiping to the inside of the dust extraction box 4, so that people remove the dust quickly.

Referring to Fig. 6, the scraper 94 includes a cover plate 941 threadedly connected to the two-way threaded rod 92, both sides of the cover plate 941 are connected through the cover plate 941, and the inside of the cover plate 941 is fixedly connected with a plurality of springs 942, One end of the spring 942 is fixedly connected with an inner plate 943. When the two-way threaded rod two 92 rotates, the sleeve plate 941 can be driven to move along the length of the two-way threaded rod two 92, and then the inner plate 943 is driven to move, so that the inner plate 943 is aligned. The dust at the bottom of the dust extraction box 4 is scraped off, and the inner plate 943 is always in contact with the inner bottom of the dust extraction box 4 by the elastic action of the spring 942, so as to scrape off the dust.

Referring to Fig. 3, the inner bottom of the dust extraction box 4 is inclined, and the inner plate 943 is attached to the inner bottom of the dust extraction box 4, and the inner bottom of the dust extraction box 4 is inclined, so that the dust inside the dust extraction box 4 can be discharged quickly.

Working principle: When grinding the material, the material can be poured into the grinding box 1, and the material is ground by the grinding roller shaft 2. When grinding, the dust extraction box 4 is exhausted under the operation of the air exhauster 10. The air is drawn to reduce the air pressure inside the dust extraction box 4, and then the dust inside the milling box 1 is sucked into the dust extraction box 4 from the dust extraction pipe 6, and the dust is blocked by the filter screen 8, so that the dust is stored in the dust extraction box 4 , carry out dedusting treatment to dust in this way, under the operation of motor one 71, drive two-way threaded rod one 72 to rotate, and the two-way threaded rod one 72 under rotation can drive drive plate 74, make drive plate 74 on two-way threaded rod One 72 moves back and forth, and then drives the brush plate 75 to scrape the filter screen 8, so as to clean up the dust on the filter screen 8 to prevent the dust from clogging the filter screen 8. When the powder grinding is completed, the sealed The plate 5 is opened, and under the operation of the motor 2 91, it drives the two-way threaded rod 2 92 to rotate, and the rotated two-way threaded rod 2 92 can drive the dust scraping part 94, and then the dust scraping part 94 is connected to the inside of the dust extraction box 4. The dust is wiped off so that people can quickly remove the dust, and the dust inside the dust extraction box 4 can be scraped off from one side, thereby facilitating people to clean up the dust extraction box 4 .

Claims (6)

1. A mill dust suppression equipment, comprising a mill box (1), characterized in that: the top side of the mill box (1) is hinged with a closing plate (3), and the mill box (1) A milling roller shaft (2) is installed inside, a dust extraction box (4) is fixedly connected to the top of the milling box (1), and a plurality of dust extraction pipes are fixedly connected to one side of the dust extraction box (4) (6), one end of the dust extraction pipe (6) is communicated with the powder milling box (1), and the top of the dust extraction box (4) is fixedly connected with a blower (10), and the dust extraction box (4) A detachable filter screen (8) is installed inside, a sealing plate (5) is hinged on one side of the dust extraction box (4), and a dust scraping assembly (9) is installed inside the dust extraction box (4), A cleaning assembly (7) for brushing the filter screen (8) is installed inside the dust extraction box (4). 2. The dust reduction equipment for a pulverizer according to claim 1, characterized in that: both sides of the inside of the dust extraction box (4) are fixedly connected with installation grooves (41), and the filter screen (8) Slidingly installed on the inside of the mounting groove (41). 3. A dust reduction device for a pulverizer according to claim 1, characterized in that: the cleaning assembly (7) includes a motor one (71) fixedly connected to one side of the dust extraction box (4), the The output end of the motor one (71) is fixedly connected with a two-way threaded rod one (72), and the inner side of the dust extraction box (4) is fixedly connected with a guide rod one (73), and the two-way threaded rod one (72) A drive plate (74) is threaded on the upper end, and one end of the drive plate (74) is connected through the guide rod one (73), and the top of the drive plate (74) is fixedly connected with a brush plate (75). 4. The dust reduction equipment for pulverizer according to claim 1, characterized in that: the dust scraping assembly (9) includes two guide rods (93) fixedly connected to both sides inside the dust extraction box (4), One side of the dust extraction box (4) is fixedly connected with a motor two (91), and the output end of the motor two (91) is fixedly connected with a two-way threaded rod two (92), and the two-way threaded rod two (92) One end of one end is fixedly connected with a limit block (95), and the two-way threaded rod two (92) is threaded with a scraper (94). 5. The dust reduction equipment for a pulverizer according to claim 3, characterized in that: the dust scraping member (94) comprises a cover plate (941) threaded on the two-way threaded rod two (92), the Both sides of the cover plate (941) are connected through the cover plate (941), the inside of the cover plate (941) is fixedly connected with a plurality of springs (942), and one end of the spring (942) is fixedly connected with an inner plate (943). 6. The dust suppression equipment for a pulverizer according to claim 5, characterized in that: the inner bottom of the dust extraction box (4) is inclined, and the inner plate (943) and the dust extraction box (4) Inner bottom fit.

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