CN217392483U - Broken system of carborundum with dust removal function - Google Patents

Abstract

The utility model belongs to the technical field of chemical industry equipment, concretely relates to broken system of carborundum with dust removal function. Including the promotion feeder and the breaker that connect gradually, the discharge gate of breaker is connected with dust collector, dust collector includes the casing, is connected with the fan and the sack dust collection box of air-supply line, be smart sieve chamber, selection by winnowing chamber and unloading chamber in the casing from top to bottom in proper order, be connected with inlet pipe and dust exhaust pipe on the smart sieve chamber, be provided with the sieve cage in the smart sieve chamber, the one end of sieve cage with the dust exhaust pipe intercommunication, the dust exhaust union coupling in sack dust collection box, the inlet pipe with the discharge gate of breaker is connected. The utility model discloses a dust collector can take off the powder operation to the carborundum powder in the breaker exhaust carborundum granule, has solved the broken problem of arranging the material process raise dust of breaker.

Description

Broken system of carborundum with dust removal function

Technical Field

The utility model belongs to the technical field of chemical industry equipment, concretely relates to broken system of carborundum with dust removal function.

Background

The silicon carbide powder is a common abrasive material, and the general processing and production process comprises the steps of carrying out coarse crushing, fine grinding and screening operation on a silicon carbide material block, wherein the coarse crushing is generally carried out by adopting a jaw crusher, the fine crushing is carried out by adopting a double-roll crusher, and the fine grinding is carried out by adopting a Raymond mill; when carrying out coarse crushing and broken earlier to the carborundum material piece, carborundum particle carborundum powder after its bin outlet can constantly discharge, carborundum powder is though the proportion volume is little, but the raise dust can take place in the process of the ejection of compact, causes the pollution of production environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a broken system of carborundum with dust removal function to the problem that prior art exists.

The utility model discloses a concrete technical scheme as follows:

a silicon carbide crushing system with a dust removal function comprises a lifting feeder and a crusher which are sequentially connected, wherein a discharge port of the crusher is connected with a dust removal device, the dust removal device comprises a casing, a fan connected with an air inlet pipe and a cloth bag dust collection box, a fine screening cavity, a winnowing cavity and a discharging cavity are sequentially arranged in the casing from top to bottom, the fine screening cavity is connected with a feed pipe and a dust discharge pipe, a screen cage is arranged in the fine screening cavity, one end of the screen cage is communicated with the dust discharge pipe, the dust discharge pipe is connected to the cloth bag dust collection box, and the feed pipe is connected with the discharge port of the crusher; the air separation cavity is of a cone structure with a large upper part and a small lower part, the air inlet pipe penetrates through the discharge cavity and vertically extends into the bottom of the air separation cavity, an annular discharge channel is formed between the outer wall of the air inlet pipe and the inner wall of the discharge cavity, and a discharge hole is formed in the bottom of the discharge cavity;

furthermore, a driving motor is installed on the machine shell, one end of the screen cage is sleeved on the dust exhaust pipe, and the other end of the screen cage is connected with the output end of the driving motor through a rotating shaft;

preferably, the screen cage is of a cylindrical cage body structure, a sleeving hole for sleeving the dust exhaust pipe is formed in one end, connected with the dust exhaust pipe, of the screen cage, and the curved surface of the screen cage is formed by arranging a plurality of parallel screen bars;

preferably, the gap between the adjacent screen bars is not more than 2 mm;

furthermore, a blocking mesh enclosure is arranged on an air outlet of the air inlet pipe;

preferably, the arresting mesh enclosure is of a cone structure;

preferably, the crusher is a cone crusher.

The utility model discloses following beneficial effect has:

the utility model discloses a dust collector can take off the powder operation to the carborundum powder in the breaker exhaust carborundum granule to collect to the sack dust collection incasement with the carborundum powder that breaks away from, the carborundum powder of collection can directly drop into and carry out the meticulous grinding in the subsequent raymond mill, thereby has solved the problem of the broken row of material process raise dust of breaker, has realized the cleaner production of clean carborundum crushing process.

Drawings

FIG. 1 is a system connection diagram of the present invention;

FIG. 2 is a cross-sectional view of the dust extraction apparatus of FIG. 1;

fig. 3 is a schematic structural view of the sieve cage of the present invention.

Detailed Description

As shown in fig. 1 to 2, the silicon carbide crushing system with a dust removal function comprises a lifting feeder 1 and a crusher 2 which are connected in sequence, wherein the crusher 2 is a cone crusher, a discharge port 10 of the crusher 2 is connected with a dust removal device 3, the dust removal device 3 comprises a casing 4, a fan 6 connected with an air inlet pipe 5 and a cloth bag dust collection box 7, a fine screen cavity 4-1, a winnowing cavity 4-2 and a discharge cavity 4-3 are arranged in the casing 4 from top to bottom in sequence, the fine screen cavity 4-1 is connected with a feed pipe 8 and a dust exhaust pipe 9, a screen cage 10 is arranged in the fine screen cavity 4-1, one end of the screen cage 10 is communicated with the dust exhaust pipe 9, the dust exhaust pipe 9 is connected with the cloth bag dust collection box 7, and the feed pipe 8 is connected with the discharge port of the crusher 2; the air separation cavity 4-2 is of a cone structure with a large upper part and a small lower part, the air inlet pipe 5 penetrates through the discharge cavity 4-3 and vertically extends into the bottom of the air separation cavity 4-2, an annular discharge channel 4-4 is formed between the outer wall of the air inlet pipe 5 and the inner wall of the discharge cavity 4-3, and a discharge hole is formed at the bottom of the discharge cavity 4-3; a driving motor 11 is installed on the machine shell 4, one end of the screen cage 10 is sleeved on the dust exhaust pipe 9, the other end of the screen cage 10 is connected with the output end of the driving motor 11 through a rotating shaft 12, the screen cage 10 is of a cylindrical cage body structure, a sleeving hole 10-1 is formed in one end, connected with the dust exhaust pipe 9, of the screen cage 10, the curved surface of the screen cage 10 is formed by arranging a plurality of mutually parallel screen bars 10-2, and the gap between every two adjacent screen bars 10-2 is not more than 2 mm; a blocking mesh enclosure 13 is arranged at an air outlet of the air inlet pipe 5, and the blocking mesh enclosure 13 is of a cone structure.

The utility model discloses a concrete working process as follows:

the silicon carbide block is conveyed by a lifting feeder 1 to enter a crusher 2 for coarse crushing, crushed silicon carbide particles are discharged into a machine shell 4 through a feeding pipe 8 and are thrown into an air separation cavity 4-2, a fan 6 exhausts air to an air inlet pipe 5, an air outlet of the air inlet pipe 5 continuously discharges air flow which is vertically upward into the air separation cavity 4-2, meanwhile, the air flow generates air flow which is spirally upward along the inner wall in the air separation cavity 4-2, the vertically upward and spirally upward air flow acts on the silicon carbide particles in a throwing state, the silicon carbide particles are heavier and fall down, and enter a discharging cavity 4-3 through an annular discharging channel 4-4, and the doped silicon carbide powder is light in weight and enters a dust exhaust pipe 9 along with ascending air flow to finally enter a bag dust collection box 7 for collection; the driving motor 11 drives the screen cage 10 to rotate, so as to intercept the silicon carbide particles with smaller weight, if the silicon carbide particles with the same size as the clearance of the screen bars 10-2 are clamped in the clearance of the screen bars 10-2, the silicon carbide particles can be thrown out by the centrifugal force generated by the screen cage 10 in the rotating state, so that the screen cage 10 is prevented from being blocked, and the blocking mesh enclosure 13 with a cone structure can prevent the silicon carbide particles from falling into the air inlet pipe 5.

Claims (7)

1. The utility model provides a carborundum crushing system with dust removal function, includes promotion feeder (1) and breaker (2) that connect gradually, its characterized in that: a discharge port of the crusher (2) is connected with a dust removal device (3), the dust removal device (3) comprises a machine shell (4), a fan (6) connected with an air inlet pipe (5) and a cloth bag dust collection box (7), a fine screening cavity (4-1), a winnowing cavity (4-2) and a discharging cavity (4-3) are sequentially arranged in the machine shell (4) from top to bottom, a feed pipe (8) and a dust exhaust pipe (9) are connected to the fine screening cavity (4-1), a screen cage (10) is arranged in the fine screening cavity (4-1), one end of the screen cage (10) is communicated with the dust exhaust pipe (9), the dust exhaust pipe (9) is connected to the cloth bag dust collection box (7), and the feed pipe (8) is connected with the discharge port of the crusher (2); the winnowing chamber (4-2) is of a cone structure with a large upper part and a small lower part, the air inlet pipe (5) penetrates through the discharging chamber (4-3) and vertically extends into the bottom of the winnowing chamber (4-2), an annular discharging channel (4-4) is formed between the outer wall of the air inlet pipe (5) and the inner wall of the discharging chamber (4-3), and a discharging hole is formed in the bottom of the discharging chamber (4-3).

2. A silicon carbide crushing system with dust removal function according to claim 1, wherein: install driving motor (11) on casing (4), the one end cover of sieve cage (10) is changeed on dust exhaust pipe (9), the other end of sieve cage (10) pass through rotation axis (12) with driving motor (11)'s output is connected.

3. A silicon carbide crushing system having a dust removing function according to claim 1 or 2, wherein: the screen cage (10) is of a cylindrical cage body structure, a sleeving hole (10-1) is formed in one end, connected with the dust exhaust pipe (9), of the screen cage (10), and the curved surface of the screen cage (10) is formed by arranging a plurality of screen bars (10-2) which are parallel to each other.

4. A silicon carbide crushing system with dust removal function as claimed in claim 3 wherein: the clearance between the adjacent screen bars (10-2) is not more than 2 mm.

5. A silicon carbide crushing system with dust removal function according to claim 1, wherein: and a blocking mesh enclosure (13) is arranged on an air outlet of the air inlet pipe (5).

6. A silicon carbide crushing system with dust removal function as claimed in claim 5 wherein: the blocking net cover (13) is of a cone structure.

7. A silicon carbide crushing system with dust removal function as claimed in claim 1 wherein: the crusher (2) is a cone crusher.

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