KR20110000394A - Dust collecting apparatus for removing dust - Google Patents

Abstract

PURPOSE: A centrifugal filtering dust collector for removing dust is provided to extend the lifetime of a filter by reducing the exhaustion rate of the filter and to reduce power generation costs. CONSTITUTION: A centrifugal filtering dust collector for removing dust comprises the following: a first cylindrical body(10) with an inlet(11); a second cylindrical body(20) forming a first space portion(21) between the outer circumference of the second cylindrical body and the first cylindrical body by being installed inside the first cylindrical body; a third cylindrical body(30) formed in the inside of the second cylindrical body, including a discharging an outlet(32) on the lower side; a fourth cylindrical body(40) installed in the inside of the third cylindrical body; a filter member(50) installed in the inside of the fourth cylindrical body; and a separation plate member(60).

Description

Dust Collecting Apparatus for Removing Dust

The present invention relates to a centrifugal dust collector for dust removal, and more particularly, to effectively remove suspended dust in the atmosphere.

In general, particulate matter (floating dust) is one of the important air pollutants and occurs naturally or artificially.

Most naturally occurring particles are more than 2.5 microns, and are mainly produced by wind-based soil dust and mechanical grinding processes such as sea salt particles.

On the other hand, artificially generated suspended dust is a particle of less than 2.5 microns, which is generated in a large amount during chemical combustion, automobile emissions and chemical manufacturing.

The formation of particulate matter is also produced by the gaseous material, the gaseous material increases from the molecular size to the size of the microparticles through the condensation and aggregation process.

This phenomenon not only increases the particle size but also contains harmful sulfurous acid gas and volatile organic compounds, which is more lethal to the human body.

Particle sizes emitted from contaminants vary widely, and the hazards of the human body vary greatly depending on the size distribution of the particles and what chemicals they bind to.

The above-mentioned suspended dust is generated in many factories in steel mills, automobile manufacturing plants, ship manufacturing plants, industrial machinery manufacturing plants, thermal power plants, incinerators, and the like. It is installed and used.

Particularly, the particulate matter having a large particle size among the dust generated in the steelmaking process is used a centrifugal dust collector, and in a facility requiring high dust collection efficiency, an electric dust collector and a filter dust collector are generally treated.

However, the filter dust collector has a high efficiency to remove particulate contaminants from small particle size to large particle size, while the filter pressure increases due to the clogging of the filter cloth air gap due to dust and high pressure drop. Due to the frequent exhaustion (to shake off the accumulated dust from the filter cloth) is required, there is a problem that increases the power cost and shorten the life of the filter cloth.

The present invention provides a dust removal centrifugal dust collector for removing particulate contaminants, that is, floating dust, using a centrifugal force as much as possible, and then passing the filter through the filter.

The object of the present invention is a first cylindrical body having an inlet for introducing air into the upper one side;

A second cylindrical body mounted inside the first cylindrical body such that a first space is formed between an outer circumferential surface and an inner circumferential surface of the first cylindrical body, and having a lower portion open in communication with the first space;

It is mounted inside the second cylindrical body to form a second space between the outer peripheral surface and the inner peripheral surface of the second cylindrical body, the upper portion is open in communication with the second space portion is provided with a discharge port for discharging dust collected in the lower portion A third cylindrical body;

A fourth cylindrical body mounted inside the third cylindrical body such that a third space portion is formed between an outer circumferential surface and an inner circumferential surface of the third cylindrical body, and a lower portion of which is open in communication with the third space portion;

A filtration filter member mounted inside the fourth cylindrical body;

It is solved by providing a centrifugal dust collector for dust removal including a partition plate member mounted on top of the fourth cylindrical body and discharging air passing through the filtration filter member.

Is installed on top of the partition plate member further comprises an air injection device for injecting air to the filtration filter member to exhaust the filtration filter member.

The first cylindrical body has a discharge path for discharging dust collected therein at a lower portion thereof, and has a door part for opening and closing the discharge path.

The lower portion of the third cylindrical body is provided with a plurality of dust holes for introducing dust accumulated in the lower portion of the first cone portion into the outlet of the third cylindrical body.

A plurality of support bars, one end of which is fixed to the lower portion of the third cylindrical body and the other end of which is fixed to the lower portion of the third cylindrical body, is spaced around the third cylindrical body, Interposed between the support bar is formed a network member with a plurality of eyes.

The present invention has the effect of increasing the dust collection efficiency of the fine dust generated in the factory, such as steel mills, automobile manufacturing plants, ship manufacturing plants, industrial machinery manufacturing plants and thermal power plants, incinerators.

In addition, the present invention has the effect of extending the life of the filter by reducing the number of times of exhaustion of the filter filter, and can reduce the power cost.

In addition, the present invention can be installed in a narrow space has the effect of efficiently removing the floating dust.

When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention.

1 is a longitudinal cross-sectional view showing the structure of the present invention, Figure 2 is a cross-sectional view AA 'of Figure 1, a first cylinder, a second cylinder, a third cylinder, a fourth cylinder having a triple centrifugal separation structure The filtration filter member is attached to the inside of the fourth cylindrical body.

3 is a cross-sectional perspective view showing an embodiment of the present invention, showing an example in which the discharge net member is provided to discharge the dust in the lower portion of the third cylinder.

Figure 4 is an operating state diagram of the present invention, shows an example in which dust is removed by passing through the filtration filter member after the air introduced into the inlet is triple centrifuged.

Hereinafter, the first cylindrical body 10 of the present invention, as shown in Figures 1 to 2 is formed of a cylindrical body, the discharge passage for discharging the dust is collected in the upper part is sealed inside the lower part It is provided.

The discharge path is equipped with a door 13 that can be opened and closed, and the door part is maintained in a closed state during centrifugal separation, and is discharged and treated to the outside by discharging dust accumulated in the lower part after centrifugation.

In addition, the first cylindrical body 10 has a first cone portion 12 whose diameter decreases toward the bottom thereof.

The first cone part 12 guides the air flowing into the second space 31 through the first space 21, which will be described later, to pivot and flow therein, and to the air introduced into the second space 31. It acts as a hopper to collect the separated dust to the bottom.

The second cylindrical body 20 is mounted inside the first cylindrical body 10 such that the first space 21 is formed between the inner circumferential surface of the first cylindrical body 10.

An upper end of the second cylindrical body 20 is fixed to the upper portion of the first cylindrical body 10 to form a first space 21 between an outer circumferential surface and an outer circumferential surface of the first cylindrical body 10. Will be.

In addition, the second cylindrical body 20 is formed in the upper portion of the second cone portion 22 is reduced in diameter toward the upper side, the upper end of the second cone portion 22 is the upper surface of the first cylindrical body 10 It is fixedly attached to the air inlet from the top.

The second cylindrical body 20 is opened to communicate with the first space 21, the lower portion is in communication with the air swiveled in the first space 21 is introduced into the flow to turn upward. .

The second cone portion 22 guides the air introduced into the first cylindrical body 10 from the inlet 11 to be pivoted.

The third cylindrical body 30 is inserted into the second cylindrical body 20 from an open lower portion of the second cylindrical body 20, and the third cylindrical body 30 has a lower end of the first cylindrical body. The discharge of the sieve 10 is mounted to the outside.

The third cylindrical body 30 is a tubular shape of a cylindrical shape having a constant diameter and a lower portion thereof, so that the second cylindrical portion 31 is formed on the outer circumferential surface and the inner circumferential surface of the second cylindrical body 20. 20) will be mounted inside.

In addition, the third cylindrical body 30 is open at the top thereof and communicates with the second space 31, and is provided at the bottom thereof and has a discharge hole communicating with the discharge path of the first cylindrical body 10.

The third cylindrical body 30 is to discharge the dust through the discharge port, the discharged dust is accumulated in the lower portion of the first cylindrical body (10).

A fourth cylindrical body 40 penetrates and joins the upper portion of the first cylindrical body 10. The fourth cylindrical body 40 has a tubular shape of which the upper and lower portions are open, and the lower portion thereof has a third cylindrical body 30. Coupled through the upper side of the) is mounted in the inserted state into the third cylindrical body (30).

In the fourth cylindrical body 40, a third space portion 41 is formed between the outer circumferential surface of the fourth cylindrical body 40 and the inner circumferential surface of the third cylindrical body 30, and the third space portion 41 is formed. Is in communication with the open lower portion of the fourth cylindrical body (40).

The filtration filter member 50 is mounted inside the fourth cylindrical body 40, and the filtration filter member 50 includes a plurality of filter cloths having a plurality of fine pores, and collects fine dust through the filter cloth. It passes through the air and discharges it to the outside.

In addition, an upper end of the filtration filter member 50 is mounted on an upper portion of the fourth cylindrical body 40, and a plurality of filter mounting holes communicated with the filtration filter member 50 are drilled to form the fourth cylindrical body 40. The partition plate member 60 covering the upper portion is mounted.

The partition plate member 60 covers the upper portion of the fourth cylindrical body 40 so that only the air passing through the filtration filter member 50 with the rising air flow in the fourth cylindrical body 40 is discharged.

An upper portion of the first cylindrical body 10 is separated from the inside of the first cylindrical body 10 and the inside of the fourth cylindrical body 40 and the air discharge chamber 70 communicated through the partition plate member 60. Is provided, one side of the air discharge chamber 70 is provided with an outlet for discharging the introduced air.

In addition, it is preferable that an air injection device 80 is installed on the upper part of the partition plate member 60 to inject air into the filtration filter member 50 to desorb the filtration filter member 50.

The air injection device (80) includes a plurality of injection nozzles (81) positioned above the plurality of filter cloths of the filtration filter member (50) and for injecting air;

An air supply unit 82 supplying air to the plurality of injection nozzles 81;

The air supply pipe 83 is connected to the plurality of injection nozzles 81 and is connected to the air supply unit 82 to supply air from the air supply unit 82 to the plurality of injection nozzles 81, respectively.

The air injection device 80 supplies air from the air supply unit 82 to the plurality of injection nozzles 81 through the air supply pipe 83 to inject air from each of the plurality of injection nozzles 81 to produce a plurality of filter cloths. Each will be exhausted.

On the other hand, the lower portion of the third cylindrical body 30 is preferably provided with a plurality of dust holes for introducing the dust accumulated in the lower portion of the first cone portion 12 into the outlet of the third cylindrical body (30).

In addition, one end of the third cylindrical body 30 is fixed to the lower portion of the third cylindrical body 30, and the other end is fixed to the cone of the first cylindrical body 10 as shown in FIG. A plurality of support bars 33 are provided to be spaced around the third cylindrical body 30, and the network members 34 are interposed between the support bars 33 through a mesh member 34 having a plurality of eyes. It is preferable to introduce the dust accumulated in the lower portion of the first cone portion 12 through the into the outlet of the third cylindrical body (30).

This is because the air introduced into the first cylindrical body 10 flows into the second space portion 31 through the first space portion 21, and the large particles are dropped, so that the first of the first cylindrical body 10 is reduced. Since it is accumulated in the cone portion 12, the dust accumulated in the first cone portion 12 is introduced into the discharge port to discharge.

Referring to the process of removing the dust from the air introduced into the first cylindrical body 10 through the operation of the present invention through the outlet 71 as follows.

Air introduced into the first cylindrical body 10 is guided by the first cone portion 12 and flows downwardly in the first space portion 21 and ascends from the lower portion of the first cylindrical body 10 to the second. It is introduced into the space 31.

As the air flows into the second space portion 31 through the first space portion 21, dust having a large particle size is separated from the flow of weakened air and accumulated in the lower portion of the first cone portion 12. Dust accumulated in the (12) is introduced into the outlet of the third cylindrical body 30 through the dust hole or the eyes of the mesh member 34 is accumulated in the lower portion of the first cylindrical body (10).

In addition, the air introduced into the second space portion 31 is turned downward through the third space portion 41 and then flows into the fourth cylinder 40 to be raised, and at this time, the fourth cylinder 40 After passing through the filtration filter member 50 in the interior of the) into the air discharge chamber 70 is to flow out through the outlet 71.

As the air flows into the third space portion 41 and the fourth cylindrical body 40, the dust in the air is separated, and the dust is discharged from the first cylindrical body 10 through the lower outlet of the third cylindrical body 30. Will be piled up underneath.

That is, the dust in the air is in the flow of air as the air flow rate gradually decreases when the air is turned in the first space portion 21, the second space portion 31, the third space portion 41 When it is separated and dropped down to be accumulated in the lower portion of the first cylindrical body 10, and when dust or more is accumulated, the door 13 is opened and discharged to the outside through the discharge path.

As described above, the air is introduced into the fourth cylindrical body 40 in a state where most of the floating dust contained in the air is removed by triple centrifugation as described above, and the rising air flows inside the fourth cylindrical body 40. It will pass through the filtration filter member 50 while flowing.

Therefore, the amount of suspended dust filtered by the filtration filter member 50 is minimized, thereby preventing the problem that the pressure in the filtration filter member 50 is increased due to clogging of the filter cloth air gap due to the suspended dust.

As described above, when the amount of suspended dust filtered by the filtration filter member 50 reaches a predetermined value or more, the air filtration device 80 is operated to exhaust the filtration filter member 50, and the filtration filter member 50 as described above. Since the amount of suspended dust filtered is minimized, the number of dedusting operations may be increased by increasing the dedusting cycle of the filtration filter member 50, and the life of the filtration filter member 50 may be increased.

The present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention, which is understood to be included in the configuration of the present invention.

1 is a longitudinal sectional view showing the structure of the present invention;

FIG. 2 is a cross-sectional view taken along line AA ′ of FIG. 1;

3 is a cross-sectional perspective view showing an embodiment of the present invention

4 is an operational state diagram of the present invention

* Description of the major symbols in the drawings *

10: first cylinder 11: inlet

12: first cone portion 20: second cylindrical body

21: first space portion 22: second cone portion

30: third cylindrical body 31: second space part

32: outlet 40: fourth cylindrical body

41: third space part 42: outlet

50: filtration filter member 60: partition plate member

70: air discharge chamber 80: air injection device

Claims (5)

A first cylindrical body having an inlet for introducing air into the upper one side; A second cylindrical body mounted inside the first cylindrical body such that a first space is formed between an outer circumferential surface and an inner circumferential surface of the first cylindrical body, and having a lower portion open in communication with the first space; It is mounted inside the second cylindrical body to form a second space between the outer peripheral surface and the inner peripheral surface of the second cylindrical body, the upper portion is open in communication with the second space portion is provided with a discharge port for discharging dust collected in the lower portion A third cylindrical body; A fourth cylindrical body mounted inside the third cylindrical body such that a third space portion is formed between an outer circumferential surface and an inner circumferential surface of the third cylindrical body, and a lower portion of which is open in communication with the third space portion; A filtration filter member mounted inside the fourth cylindrical body; Centrifugal filter for dust removal, characterized in that it comprises a partition plate member mounted on top of the fourth cylindrical body and for discharging the air passing through the filtration filter member. The method according to claim 1, Centrifugal filter for dust removal, characterized in that it further comprises an air injector installed on the partition plate member to inject air to the filtration filter member to dedust the filtration filter member. The method according to claim 1, The first cylindrical member has a discharge path for discharging dust collected therein in the lower portion, and has a door portion for opening and closing the discharge path, dust removal centrifugal filter for dust collection. The method according to claim 1, The lower portion of the third cylindrical body is provided with a plurality of dust holes for introducing dust accumulated in the lower portion of the first cone portion into the outlet of the third cylindrical body, the dust removal centrifuge. The method according to claim 1, A plurality of support bars, one end of which is fixed to the lower portion of the third cylindrical body and the other end of which is fixed to the lower portion of the third cylindrical body, is spaced around the third cylindrical body, Centrifugal separator for dust removal, characterized in that the intervening between the support bar is a mesh member formed with a plurality of eyes.

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