CN112044776A

CN112044776A - Industrial raw material grading dust removal circulating device

Info

Publication number: CN112044776A
Application number: CN202010902219.6A
Authority: CN
Inventors: 许婷婷; 张瑞丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2020-12-08

Abstract

The invention relates to an industrial raw material grading and dedusting circulating device, which is characterized in that a grading plate is arranged to grade light and heavy materials at the position of the grading plate through materials conveyed by airflow, the rotatable grading plate guides the light and heavy materials to enter respective collecting devices, the materials, dust and impurity particles are separated by upward airflow during grading of the light and heavy materials and are collected in a dust collecting box, and coarse materials are subjected to secondary screening and dedusting after separation of the light and heavy materials is completed, so that the coarse materials are prevented from being mixed with dust again in the processing process.

Description

Industrial raw material grading dust removal circulating device

Technical Field

The invention relates to the technical field of industrial dust removal, in particular to a grading dust removal circulating device for industrial raw materials.

Background

Industrial raw materials are derived from a part of industrial enterprises and agricultural production, the former mainly including products directly produced by excavation industry, such as raw coal, crude oil, raw wood, various metal and non-metal ores; products produced by the mining industry and processed, such as pig iron, steel, cement, coal, petroleum products, and the like; with the development of productivity, the proportion of raw materials in the whole raw materials in industrial production is higher than that of raw materials in agricultural production, the granular materials are often needed in industrial production and need to be classified before processing or production, but a large amount of dust and sundry particles are often generated in the classification process, and the invention patent application with the publication number of CN107952325A discloses a high-efficiency classification dust remover, which comprises a first ash discharge hopper, a bag filter, a dust remover main body and a first water tank, wherein a first ash discharge port is arranged below the first ash discharge hopper, a first connecting pipe is arranged above the bag filter, a second ash discharge port is arranged at the bottom of the dust remover main body, a sewage discharge port is arranged at the left side of the first water tank, a second selective permeability membrane is arranged at the right side of the second water tank, and a dust removing device is arranged below the inner part of the dust remover main body, the dust collector is installed to the inside top of dust remover main part, the motor is installed in the left side of water filling port, the upper right corner of dust remover main part is connected with the air pump through the third connecting pipe. The invention discloses a high-efficiency grading dust remover which has high dust removing efficiency, can quickly remove dust in dust gas, can purify polluting gas contained in the dust, and can effectively treat the removed dust, and an invention patent with the publication number of CN107309100A discloses a storage tank type grading material selecting system with a dust removing function, which comprises a storage tank type grading material selecting device and a warm induced air device, wherein the storage tank type grading material selecting device comprises a tank body, an inverted funnel-shaped cyclone part and four partition plates, the inverted funnel-shaped cyclone part is arranged at the upper part of the tank body, the outer side wall of the inverted funnel-shaped cyclone part and the upper space of the tank body form a closed heat exchange cooling chamber, and the heat exchange cooling chamber is provided with a cold air inlet and a hot air outlet; the inner side wall of the inverted funnel-shaped cyclone part and the middle space of the tank body form a cyclone grading material selecting chamber, the cyclone grading material selecting chamber is provided with an air inlet and an air outlet, and a partition plate is arranged at the lower part of the tank body so as to divide a bottom containing cavity of the tank body into four fan-shaped cavities; the warm induced draft device is used for forming continuous circulating airflow with negative pressure suction effect in the tank type grading material selecting device, but grading dust removing devices in the prior art are complex in structure and cannot thoroughly remove dust.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a grading dust removal circulating device for industrial raw materials.

(II) technical scheme

A grading dust removal circulating device for industrial raw materials comprises a blowing device I, a feeding pipe and a grading dust removal device; blast apparatus and the one end of inlet pipe are connected, and the inlet pipe upper end is connected with the material admission pipe, and the other end of inlet pipe is connected on hierarchical dust collector's lateral wall, and hierarchical dust collector is the case form, and chemical material gets into the inlet pipe through the material admission pipe to blow by blast apparatus I and send into in the hierarchical dust collector.

Furthermore, the grading dust removal box comprises a grading device, a coarse material secondary dust removal device, a fine material conveying and storing device and a dust collecting device; grading plant includes hierarchical board and connecting rod I, and the hierarchical board sets up in the middle part of hierarchical dust removal case, and the roof of connecting soft rope and hierarchical dust removal case is connected through the upper portion of hierarchical board, and the rear portion of hierarchical board is articulated with the one end of connecting rod I, and the other end of connecting rod I and the back wall connection of hierarchical dust removal case.

Furthermore, a coarse material secondary dust removal device is arranged at the lower end of the grading plate and comprises a material guide pipe, a connecting rod II and a secondary dust removal device; the material guide pipe is arranged below the grading plate, the grading plate can be in butt joint with an inlet of the material guide pipe when rotating, and one end of the connecting rod II is connected to the material guide pipe.

Further, secondary dust collector includes feeder hopper, motor I-II, secondary dust removal case, even material pipe, knockout bar, filter screen I, dust collection box I, exhaust column, gas-supply pipe, filter screen II, coarse fodder collecting box, dust collection box II.

Further, the feeder hopper sets up at the top of secondary dust removal case, feeder hopper and passage intercommunication, and the coarse fodder passes through the passage and gets into the feeder hopper, feeder hopper and refining pipe intercommunication, and the upper end of refining pipe is not connected with the top of coarse fodder collecting box, and motor I is connected to the bottom of refining pipe, and the both sides wall from the top down evenly distributed of refining pipe has the discharging pipe of slope.

Furthermore, the both sides of even material pipe are provided with the knockout pole of symmetry, and the top of knockout pole is connected with secondary dust removal case top motor II respectively, and the both ends lateral wall of secondary dust removal case is filter screen I, can make dust and foreign particles pass through, and the bottom of secondary dust removal case is filter screen II, can make coarse material pass through.

Further, the outer end of filter screen I is dust collection box I, and the top of dust collection box I is connected with the exhaust column, and is provided with the filter screen in the exhaust column and does not make the dust pass through, and the other end intercommunication of exhaust column is in the gas-supply pipe, and the other end intercommunication of gas-supply pipe is in the coarse fodder collecting box, and the other end lateral wall of coarse fodder collecting box is provided with the dust filter screen, and the dust filter screen outside is dust collection box II.

Further, the fine material conveying and storing device comprises a fine material conveying pipe and a fine material conveying storage box, one end of the fine material conveying pipe is arranged on the rear side of the upper end of the grading plate, and the other end of the fine material conveying pipe is communicated with the fine material conveying storage box arranged at the outer end of the grading storage box.

Furthermore, a dust collecting device is arranged right above the grading plate and is box-shaped, two side plates of the dust collecting box III are respectively connected with a top plate of the grading dust removal box, and a plurality of dust filtering holes are formed in a bottom plate of the dust collecting box III, so that dust can pass through the dust filtering holes.

Furthermore, one end of the grading plate is provided with a connecting vertical plate, one end of the connecting vertical plate is connected to the top of the grading dust removal box, a fan II is arranged on the connecting vertical plate, and the blowing direction of the fan II is perpendicular to the upper portion of the grading plate.

(III) advantageous effects

Compared with the prior art, the invention provides an industrial raw material grading dust removal circulating device, which has the following beneficial effects:

the grading plate is arranged to grade the light and heavy materials conveyed by the airflow at the grading plate, the rotatable grading plate guides the light and heavy materials to enter respective collecting devices, the upward airflow separates the materials, dust and impurity particles during grading of the light and heavy materials, the dust and the impurity particles are collected in the dust collecting box, and the coarse materials are subjected to secondary screening and dust removal after the separation of the light and heavy materials is completed, so that the coarse materials are prevented from being mixed with the dust again in the processing process.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic diagram of the coarse material grading structure of the present invention.

FIG. 3 is a schematic view of a fines classification mechanism of the present invention.

FIG. 4 is a schematic view of a secondary dust box according to the present invention.

In the figure: 1-grading dust removal box, 2-feeding pipe, 3-grading plate, 4-connecting rod I, 5-connecting soft rope, 6-fan I, 7-connecting vertical plate, 8-fan II, 9-material inlet pipe, 10-fine material conveying storage box, 11-fine material conveying pipe, 12-material guide pipe, 13-connecting rod II, 14-secondary dust removal box, 15-feeding hopper, 16-motor I, 17-material homogenizing pipe, 18-material discharging pipe, 19-motor II, 20-material beating rod, 21-dust collection box I, 22-air exhaust pipe, 23-coarse material collection box, 24-dust collection box II and 25-dust collection box III.

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.

Referring to FIGS. 1-4: a kind of industrial raw materials grade dust removal circulating device, including blast apparatus I, feed pipe 2, grading dust-collecting equipment; the device comprises a blowing device, a feeding pipe 2, a material inlet pipe 9, a grading dust removal device, a box-shaped grading dust removal device, a fine material conveying and storing device and a dust collecting device, wherein the blowing device is connected with one end of the feeding pipe 2, the upper end of the feeding pipe 2 is connected with the material inlet pipe 9, the other end of the feeding pipe 2 is connected to the side wall of the grading dust removal device, chemical materials enter the feeding pipe 2 through the material inlet pipe and are blown into the grading dust removal device through the blowing device I, and the grading dust removal box; the grading device comprises a grading plate 3 and a connecting rod I (4), the grading plate 3 is arranged in the middle of the grading dust removal box 1, the upper part of the grading plate 3 is connected with a top plate of the grading dust removal box 1 through a connecting soft rope 5, the rear part of the grading plate 3 is hinged with one end of the connecting rod I (4), the other end of the connecting rod I (4) is connected with the rear wall of the grading dust removal box 1, a coarse material secondary dust removal device is arranged at the lower end of the grading plate 3, and the coarse material secondary dust removal device comprises a material guide pipe 12, a connecting rod II (13) and a secondary dust removal device; the material guide pipe 12 is arranged below the grading plate 3 and can be butted with an inlet of the material guide pipe 12 when the grading plate 3 rotates, one end of a connecting rod II (13) is connected to the material guide pipe 12, the secondary dust removal device comprises a feed hopper 15, a motor I-II, a secondary dust removal box 14, a material refining pipe 17, a material refining rod 20, a filter screen I, a dust collection box I (21), an exhaust pipe 22, an air delivery pipe, a filter screen II, a coarse material collection box 23 and a dust collection box II (24), the feed hopper 15 is arranged at the top of the secondary dust removal box 14, the feed hopper 15 is communicated with the material guide pipe 12, coarse materials enter the feed hopper 15 through the material guide pipe 12, the feed hopper 15 is communicated with the material refining pipe 17, the upper end of the material refining pipe 17 is not connected with the top of the secondary dust removal box 14, the motor I (16) is connected with the bottom of the material refining pipe 17, inclined material discharging pipes 18 are uniformly distributed on two side walls of the material refining pipe 17 from, the top of the material beating rod 20 is respectively connected with a top motor II (19) of the secondary dust removal box, the side walls of two ends of the secondary dust removal box 14 are provided with a filter screen I, dust and impurity particles can pass through, the bottom of the secondary dust removal box 14 is provided with a filter screen II, coarse materials can pass through, the outer end of the filter screen I is provided with a dust collection box I (21), the top of the dust collection box I (21) is connected with an exhaust pipe 22, the exhaust pipe 22 is internally provided with the filter screen not allowing dust to pass through, the other end of the exhaust pipe 22 is communicated in a gas pipe, the other end of the gas pipe is communicated in a coarse material collection box 23, the side wall of the other end of the coarse material collection box 23 is provided with a dust filter screen, the outer side of the dust collection box II (24) is provided with the dust collection box, the fine material conveying and storage device comprises a fine material conveying pipe 11 and a fine material conveying storage box 10, the rear side of the upper end of, be provided with dust collecting device directly over hierarchical board 3, dust collecting device is the box form, the both sides board of dust collection box III (25) is connected with hierarchical dust removal case 1's roof respectively, be provided with a plurality of dirt holes of straining on the bottom plate of dust collection box III (25), can make the dust pass through, the one end of hierarchical board 3 is provided with the connection riser, the one end of connecting riser 7 is connected at hierarchical dust removal case 1's top, be provided with fan II (8) on the connection riser, the upper portion of the direction of blowing perpendicular to hierarchical board of fan II (8).

The working process of the invention is as follows: the mixture of the coarse and fine materials is blown into a grading dust removal box through a feeding pipe by wind power and collides with a grading plate, the mixture drops downwards after losing kinetic energy, a fan I is opened to blow upwards, dust and impurity particles are blown into a dust collection box III to suspend the fine materials, the coarse materials impact the grading plate to rotate during collision due to different heights of the coarse and fine particles, the gravity of the coarse materials is greater than that of the wind power and slide into a secondary dust removal device along the rotated grading plate, the coarse materials are uniformly poured into the secondary dust removal box through the rotation of a material refining pipe, the coarse materials are beaten on a filter screen I through a material beating rod to enable the dust and the impurity particles to enter the dust collection box I, air filtered through the filter screen II is pumped out through an exhaust pipe to enter a coarse material collection box to carry out secondary dust removal on the fallen coarse materials, the dust is blown into a dust collection box II, the grading plate rotates back to the original position after the heavy materials are collected, blowing the fine particles to impact the grading plate again to enable the grading plate to rotate upwards, driving the fine materials to enter the fine material conveying pipe, and after the fine materials are conveyed.

Claims

1. A grading dust removal circulating device for industrial raw materials comprises a blowing device I, a feeding pipe and a grading dust removal device; the device comprises a blowing device, a feeding pipe, a grading dust removal device, a fine material conveying and storing device and a dust collecting device, wherein the blowing device is connected with one end of the feeding pipe, the upper end of the feeding pipe is connected with a material inlet pipe, the other end of the feeding pipe is connected to the side wall of the grading dust removal device, the grading dust removal device is box-shaped, chemical materials enter the feeding pipe through the material inlet pipe and are blown into the grading dust removal device by the blowing device I, and the grading dust removal box comprises a grading device, a; the grading device comprises a grading plate and a connecting rod I, the grading plate is arranged in the middle of the grading dust removal box, the upper part of the grading plate is connected with a top plate of the grading dust removal box through a connecting soft rope, the rear part of the grading plate is hinged with one end of the connecting rod I, the other end of the connecting rod I is connected with the rear wall of the grading dust removal box, a coarse material secondary dust removal device is arranged at the lower end of the grading plate, and the coarse material secondary dust removal device comprises a guide pipe, a connecting rod II and a secondary dust removal device; the guide pipe is arranged below the grading plate and can be butted with an inlet of the guide pipe when the grading plate rotates, one end of the connecting rod II is connected to the guide pipe, the secondary dust removal device comprises a feed hopper, motors I-II, a secondary dust removal box, a material homogenizing pipe, a material beating rod, a filter screen I, a dust collection box I, an exhaust pipe, a gas pipe, a filter screen II, a coarse material collection box and a dust collection box II, the feed hopper is arranged at the top of the secondary dust removal box and communicated with the guide pipe, coarse materials enter the feed hopper through the guide pipe, the feed hopper is communicated with the material homogenizing pipe, the upper end of the material homogenizing pipe is not connected with the top of the secondary dust removal box, the bottom of the material homogenizing pipe is connected with the motor I, inclined discharge pipes are uniformly distributed on two side walls of the material homogenizing pipe from top to bottom, symmetrical material beating rods are arranged on two sides of the material homogenizing pipe, the tops of the material beating rods are respectively connected with a top motor II, can make dust and foreign particles pass through, the bottom of secondary dust removal case is filter screen II, can make coarse material pass through, the outer end of filter screen I is dust collection box I, the top of dust collection box I is connected with the exhaust column, and be provided with the filter screen in the exhaust column and not make the dust pass through, the other end intercommunication of exhaust column is in the gas-supply pipe, the other end intercommunication of gas-supply pipe is in the coarse fodder collecting box, the other end lateral wall of coarse fodder collecting box is provided with the dust filter screen, the dust filter screen outside is dust collection box II.

2. The industrial raw material grading and dedusting circulation device according to claim 1, characterized in that: the fine material conveying and storing device comprises a fine material conveying pipe and a fine material conveying storage box, the rear side of the upper end of the grading plate is provided with one end of the fine material conveying pipe, and the other end of the fine material conveying pipe is communicated with the fine material conveying storage box arranged at the outer end of the grading storage box.

3. The industrial raw material grading and dedusting circulation device according to claim 1, characterized in that: and a dust collecting device is arranged right above the grading plate and is box-shaped, two side plates of the dust collecting box III are respectively connected with a top plate of the grading dust removal box, and a plurality of dust filtering holes are formed in a bottom plate of the dust collecting box III, so that dust can pass through the dust filtering holes.

4. The industrial raw material grading and dedusting circulation device according to claim 1, characterized in that: the one end of gradation board is provided with the connection riser, and the one end of connecting the riser is connected at the top of hierarchical dust removal case, is provided with fan II on the connection riser, and the upper portion of fan II's the direction of blowing perpendicular to gradation board.