JP2000334241A - Wet type dust collector for exhaust from treatment device for grain crops - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an excellent dust collection effect by providing an exhaust introducing part constituted by connecting a diffuser to a scrubber on the ceiling of a dust collection chamber, a cleaned gas discharging part provided with a mist separator at one of the side walls and a sludge discharging conveyor at the bottom of the lower liquid-stored part. SOLUTION: The follow-up scrubber 4 is provided on the ceiling 3 of the dust collection chamber 2 and the mist separator 5 is provided at one side wall to form an exhaust outlet 6. The exhaust introducing part 25 is fixed so that the opened area of a throat part 7 of the scrubber 4 is maximized and water streams for removing dust are sprayed in a mist state from a spray nozzle 9 of the scrubber 4. The mist sprayed in a mist state is moved to the outlet 6 together with air, separated/removed at the separator 5 and flowed out from the outlet 6. The precipitates such as sludge separated in the liquid- stored part 14 are scraped by a scraping blade 22 of a scraper 15 and discharged from a precipitate discharging port to a precipitate carrying container.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to cereal receiving, drying,
Wet dust collector for exhaust of co-drying preparation facility equipped with grain handling facilities such as hulling, threshing, preparation and shipping, and cereal processing used for handling cereals such as receiving, drying, hulling, preparing or shipping cereals The present invention relates to a wet dust collector for exhausting an apparatus, and more particularly to a wet dust collector for exhaust including dust such as dust and refuse generated in each grain processing facility such as drying, sorting, hulling, and threshing of cereals.

[0002]

2. Description of the Related Art For example, dusts contained in exhaust gas discharged from a co-drying preparation facility include grains having a large particle diameter, such as rice and barley straw, and fine particles such as paddy tender. In addition, it covers a very wide area, even fine dusts of several microns, contains a large amount of dust, and its apparent specific gravity is light, making it difficult to remove dust.Dry dust collectors such as bag filters and spray towers Wet dust collectors are used. However, a wet dust collector such as a spray tower has a simple spray structure, but does not provide the desired dust removal efficiency. This causes problems such as clogging and dust accumulation, resulting in an increase in pressure loss.
Therefore, a number of spray nozzles are provided at the exhaust inlet of the dust collection chamber, and a mist separator such as a mist separator is provided above the dust collection chamber, and a net is provided below the dust collection tank in which the dust collection chamber is formed. A perforated plate such as a perforated plate is provided at the bottom as a sieve plate, and a bulky waste separator such as a ritter conveyor provided with a scraper for scraping dust on the sieve plate is provided. Coarse waste in the wastewater that enters the washing tank from the dust collection tank is separated, and the settling sludge in the washing tank is discharged by a sludge discharge conveyor, and the supernatant liquid is sent to the spray nozzle for circulating use. Wet dust collectors are used.

[0003]

However, such a continuous wet-type dust collecting apparatus is provided with a dust collecting chamber and a washing water tank for separating and separating sludge, and a large-size dust discharging conveyor such as a liter conveyor is provided between them. Since it is formed, it is relatively large, requires a large installation area, requires foundation work, and requires a large amount of money, which is a problem. The present invention solves the problem related to the point that a large installation area is required and a large amount of cost is required for foundation work and the like in a wet-type dust collecting apparatus that circulates and uses washing water provided in a grain processing apparatus such as a co-drying preparation facility. It is intended to be.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a wet type dust collecting apparatus having a relatively small installation area and a relatively small cost for foundation work.

That is, the present invention provides a scrubber having a reduced portion and an enlarged portion, and a wet type dust collector for exhausting a grain processing apparatus provided with a dust collecting chamber, wherein the dust collecting chamber has a ceiling and an enlarged portion of the scrubber. An exhaust introduction part formed by connection is provided, and a clean gas discharge part formed by providing a mist separator is provided on one of the side walls connected to the upper end with the upper end, and a liquid reservoir is provided at a lower part. A sludge discharge conveyor at the bottom, and a bulk waste discharge conveyor below the mist separator and above the liquid level in the liquid storage section. The present invention relates to a dust collecting apparatus for exhausting a grain processing apparatus including a scrubber having a reduced portion and an enlarged portion and a dust collecting chamber, wherein the dust collecting chamber is provided on a first ceiling portion of the scrubber. The enlarged part is formed by connecting An exhaust inlet portion, the one of the first side wall portion ends at the edge of the first roof part is connected, comprising a first cleaning gas discharge portion which is formed with a mist separator,
A second ceiling portion, one edge of which is connected to a lower end of the first side wall, includes a second clean gas discharge portion formed with a second mist separator, and has a liquid reservoir portion at a lower portion, A bottom wall provided with a sludge discharge conveyor, a lower side of the mist separator, and a higher level than the liquid level of the liquid reservoir, a bulky waste discharge conveyor, and a first side wall facing the first side wall portion provided with the mist separator; Cereal, wherein a lower part of the part is inclined downwardly of the first side wall part provided with the mist separator, and an end thereof is formed adjacent to a sieve plate of the oversized garbage discharge conveyor. The present invention is in a wet dust collector for exhaust of a processing apparatus, and the present invention further provides a wet dust collector for exhaust of a grain processing apparatus including a scrubber having a reduced portion and an enlarged portion and a dust collecting chamber,
The dust collection chamber includes an exhaust introduction section formed on the first ceiling portion to which an enlarged portion of the scrubber is connected, and a first side wall portion having an end connected to an edge of the first ceiling portion. In the first, a first mist separator formed with a mist separator is provided, and a second mist separator is provided in a second ceiling portion to which one edge is connected to a lower end of the first side wall. It has a second clean gas discharge part formed, has a liquid reservoir at the bottom, has a sludge discharge conveyor at the bottom, and has a large refuse below the mist separator and above the liquid level of the liquid reservoir. Equipped with a discharge conveyor,
A lower portion of the first side wall portion on the side facing the first side wall portion including the mist separator in the first side wall portion is inclined downward toward the first side wall portion including the mist separator, An end portion is formed adjacent to a sieve plate of the oversized garbage discharge conveyor, and a liquid storage portion is connected to a sewage treatment tank via a pump. In the device.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION The wet dust collector of the present invention, like the conventional wet dust collector, is generated from a co-drying preparation facility, for example, grain receiving, hulling, roughing, drying, preparation and other facilities. It can be used to remove dust, that is, dust and dirt, from exhaust gas, and can be used for dryers and other grain processing equipment with large fluctuations in exhaust volume. It is useful as a low-pressure exhaust wet dust collector that is used in communication with a gas turbine.

[0007] In the present invention, the wet dust collector for exhausting a cereal processing apparatus has a dust collecting chamber. The dust collection chamber is connected to an opening of a ceiling, an enlarged portion of a scrubber having at least one reduced portion and an enlarged portion to form an exhaust introduction portion, and an edge of the ceiling. At least one of the side walls connecting the upper ends has an opening, and a mist separator is provided in the opening to form a first clean gas discharge portion. In the present invention, since the clean gas discharge portion is provided on the side wall portion of the dust collection chamber, the dust collection chamber is formed in a vertical shape, and the throat portion of the scrubber having the reduced portion and the enlarged portion, that is, the throat portion is provided. The passage speed of the dust-containing exhaust gas passing therethrough can be increased, the contact between the cleaning water and the exhaust gas can be made dense, and the dust can be easily removed. Further, in the present invention, the opening portion is connected to a lower end portion of the side wall portion including the first clean gas discharge portion, extends in a direction orthogonal or intersecting with the side wall portion, and has an opening at a position lower than the ceiling portion. Forming a ceiling with
A mist separator is provided in the opening to form a second clean gas discharge portion, and mist remaining in the gas subjected to the cleaning treatment is separated to discharge clean exhaust gas. In the present invention, the dust collection chamber is provided with a liquid storage section at a lower portion thereof, and a bulky dust discharge conveyor such as a liter conveyor is provided between the mist separator and the liquid surface. There is no need to provide a bottom plate for partitioning.

In the present invention, an enlarged portion of a venturi tube type scrubber having one or more reduced portions and an enlarged portion is connected to an exhaust introduction portion formed in a ceiling portion of the dust collection chamber. In the present invention, examples of a scrubber having such a reduced portion and an enlarged portion include a Venturi scrubber such as a venturi scrubber and a follow-up scrubber. In the present invention, the follow-up scrubber can change the opening area of the throat part, and the sprinkling nozzle, the fountain nozzle or the spray nozzle can be provided with the nozzle opening downward or inside the throat part or below the throat part of the enlarged part. This is a scrubber provided obliquely downward, and has already been described in, for example,
No. 0 and JP-A-8-10546. The dust collecting device of the present invention, for example, when used in a co-drying preparation facility such as a grain receiving, hulling, rough selection, drying and preparation facility, since the co-drying preparation facility has a large variation in displacement, When the scrubber having the reduced portion and the enlarged portion is capable of adjusting the diameter of the throat portion, that is, the throat portion, when the blowing pressure of the inflowing exhaust gas is lower than a predetermined value, the diameter of the throat opening of the scrubber is reduced to a small degree. And adjust it to
The exhaust pressure can be increased, and the exhaust from the exhaust fan is sucked into the dust collection chamber by the suction action of the fountain flow, sprinkling flow or spray from the nozzle provided in the throat or the enlarged portion below the throat. It is possible to prevent the exhaust gas from flowing back to the exhaust pipe even if the amount of exhaust gas fluctuates.

In the present invention, a large-size waste discharging conveyor such as a litter conveyor is provided in the dust collecting chamber. The oversized waste discharge conveyor is disposed between the mist separator and the liquid level of the liquid storage so that the oversized waste does not directly enter the liquid storage. The bottom part on the upstream side of the dust collection chamber is oversized garbage, which is separated and accumulated in the dust collection chamber, for example, garbage having a particle size of 2 μm or more
It is provided to be inclined toward the oversized waste discharge conveyor so as to flow into the oversized waste discharge conveyor. Oversized garbage separated at the bottom of the dust collection chamber, from the inclined bottom of the dust collection chamber,
A gutter member may be provided connecting the inclined bottom end and the oversized waste discharging conveyor so that the oversized waste discharging conveyor can smoothly flow into the oversized waste discharging conveyor. When the gutter member is provided in this manner, the cleaning water flow flowing from the dust collection chamber is received by the gutter and introduced into the oversized dust discharge conveyor without providing the oversized dust discharge conveyor over the entire length of the dust collection chamber. Can be reduced in length.

In the present invention, a bulky waste discharging conveyor device such as a litter conveyor device is provided with a coarse member provided with a porous member such as a perforated plate or a band-shaped screen so as to separate coarse dust and to allow washing water to flow into a liquid reservoir. It has a garbage separator. For example, a litter conveyor device is a device that carries out dust remaining on a porous member such as a perforated plate by a scraping device having a scraping tool such as a scraping blade, and has a simple structure and less clogging. It is preferable because it is possible. The litter conveyor device for scraping and discharging the dust remaining on the perforated plate as described above is provided with a scraper for scraping oversized dust and a conveyor device that moves together with the scraper. When a perforated plate is used as the perforated member in the liter conveyor device, the hole penetrating from the upper surface to the lower surface of the perforated plate may be a long hole, a round hole, a slit, or a square hole. In the present invention, in order to prevent foam generated in the liter conveyor device of the washing water tank from flowing out into the washing water tank, a space surrounding the water surface below the perforated plate of the ritter conveyor device is surrounded, and the tip portion is below the water surface. A water seal wall can be provided.

In the present invention, in order to separate the mist in the dust collection chamber and discharge the mist as clean exhaust, a mist outlet is formed at a side wall portion of the dust collection chamber and a ceiling portion connected to a lower end of the side wall portion. A separator is provided. In this case, the mist separator can be formed by arranging a mist separator having a corrugated cross section and a square shape in one or more stages, and by disposing a honeycomb-shaped separator in one or more stages. Further, it may be a double wall structure of stainless steel or a composite wall structure, for example, a composite wall structure of stainless steel and a porous material or a plastic material. When such a mist separator is used to form the mist separator on the side wall portion, even if dust and / or dust is clogged between the mist separators, the mist is washed away by the cleaning liquid flowing on the surface of the wet separator, Clogging of the mist separator can be prevented.
In the present invention, the mist separator can be made of a sound absorbing material such as a porous material and / or a sound insulating material.

In the present invention, a liquid collecting portion is formed at a lower portion of the dust collecting chamber, and a scraping device such as a scraping blade is provided at the bottom of the liquid collecting portion for scraping and collecting the settled sludge. For example, a sludge scraper such as a scraper is provided. In the present invention, the clarified liquid in the liquid reservoir is circulated through a pump. In the present invention, the dust collector is miniaturized, and to cover the amount of water used for the scrubber,
Since the amount of water in the liquid reservoir is insufficient, a sewage purification tank for living organisms or the like is connected to the liquid reservoir via a pump, and the insufficient amount of cleaning liquid in the liquid reservoir alone can be compensated. Therefore, in the present invention, purified purified water,
Can be used as a washing solution constantly.

[0013]

According to the present invention, the dust collection chamber has an exhaust introduction portion formed by connecting an enlarged portion of a scrubber to a ceiling portion, and one of side wall portions having an upper end connected to the ceiling portion. It has a clean gas discharge part formed with a mist separator, has a liquid reservoir at the bottom, has a sludge discharge conveyor at the bottom, and is below the mist separator and above the liquid level of the liquid reservoir. In addition, since a bulky waste discharge conveyor is provided, a part of the dust collecting chamber can be formed as a vertical dust collecting chamber, and the flow velocity through the throat portion of the scrubber can be increased to, for example, 4 m / sec. The installation area can be reduced by 50% as compared with the conventional dust collection chamber, and the cost required for foundation work can be reduced.

The dust collecting chamber of the dust collecting apparatus of the present invention can be reduced in size and installation area, so that a wastewater treatment facility can be provided outside the dust collecting chamber, and the cleaning water used for the scrubber is used. As the purified water, purified water can be used. According to the present invention, an enlarged portion of a venturi tube type scrubber such as a venturi scrubber or a follow-up scrubber for spraying or spraying cleaning water is provided by opening the ceiling of the dust collection chamber, so that the amount of mist entering the dust collection chamber is reduced. The mist separator can be reduced in size, and the mist separator can be reduced in size, enabling efficient mist collection.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings, but the present invention is not limited by the following examples and descriptions. FIG. 1 is a schematic front sectional view of a wet dust collector according to one embodiment of the present invention. FIG. 2 is a schematic side sectional view of the wet dust collector of the embodiment shown in FIG. In FIGS. 1 and 2, corresponding portions are denoted by the same reference numerals.

In the embodiment shown in FIG. 1, a dust collecting apparatus main body 1 for wet exhaust has a dust collecting chamber 2 formed therein. In the dust collecting chamber 2, a follow-up scrubber 4 is provided on a ceiling portion 3, and on one side, a mist separator 5 is provided in which a mist collecting plate is arranged upright and arranged vertically.
A first exhaust outlet 6 is formed. In the present example, the follow-up scrubber 4 is formed such that the size of the opening of the throat 7 is adjustable, and when the blowing pressure of the exhaust is reduced, the opening of the throat 7 is narrowed inward and fixed, The spray nozzle 9 for washing water is provided in the enlarged portion 8 of the follow-up scrubber 4.
The washing water is directed to the dust collection chamber 1 in the upper part,
It is formed so that it may be sprayed toward.

In this embodiment, the lower part 10 of the side wall part continuous to the ceiling part 3 of the dust collection chamber 2 is inclined downward toward the first exhaust outlet part 6 toward the side located below the ceiling part 3. , Gutter 1
1 is connected to the litter conveyor 12 of the oversized refuse discharge conveyor device, and the gutter 11 has a plurality of connection flow paths 13 for allowing washing water containing dust flowing into the gutter 11 to flow into the litter conveyor 12. , One end of which is connected to the liter conveyor 12. Therefore, the cleaning water containing the dust that has flowed down to the lower portion 10 of the side wall portion flows into the gutter 11, and flows from the gutter 11 into the liter conveyor 12 via the connection flow path 13. In this example, a liquid reservoir 14 is provided below the liter conveyor 12, and the dust separated from the dust collecting chamber is settled down in the liquid reservoir 14 and the liquid reservoir 1 is separated.
4 to form sludge. The sludge thus deposited on the bottom 15 is carried out by the scraper 16 of the sludge discharge conveyor provided on the bottom 15. Above the liter conveyor 12, a second exhaust outlet 17 is formed.
A mist separator 5 'is provided, which is formed by stacking mist collecting plates arranged in a horizontal direction in multiple stages and arranging them in at least one line.

In the present embodiment, the mist separator 5 forming the first exhaust outlet 6 is formed by arranging a double-layered stainless steel plate having a mountain-shaped cross section with a horizontal gap therebetween. It is formed by stacking this in multiple stages,
The mist separator 5 ′ forming the second exhaust outlet 17, like the mist separator 5, is obtained by laying a plate formed by doubly stacking stainless steel plates having a mountain-shaped cross section with a horizontal gap therebetween. For example, they are formed by stacking them in multiple stages. As described above, when the mist separators 5 and 5 ′ are configured by stacking the plates having the angled cross section in multiple stages, the row of the plate having the angled cross section located on the upper side has a clearance Since it is located with
The airflow containing the mist flowing from the lateral direction or from below strikes the plate having a mountain-shaped cross section, and the direction is changed, and the mist is removed.

In this embodiment, the liter conveyor 12 is
It is provided with a scraping blade 18 toward the outside, moves on the perforated plate 19 by driving of a driving device (not shown), and moves oversized dust remaining on the perforated plate 19 by moving the conveyor. The upper running area 20 for scraping and transporting with the scraping blade 18 and the lower running area 21 for returning on the perforated plate 19
Are formed. In this example, the plurality of connection flow paths 13 provided in the gutter 11 are connected to the side portions of the liter conveyor 12, and dust is collected in a space between the upper running area 20 and the lower running area 21 and the scraping blade 18. The washing water containing the washing water is introduced, and the dust contained in the washing water is separated and removed by the perforated plate 19 provided on the liter conveyor 12. In the present example, the scraper 15 is
The scraping blade 22 moves on the bottom 15 of the liquid reservoir 14 to remove sludge deposited on the bottom 15,
A lower running area 23 that is moved by the movement of the conveyor and is scraped and conveyed by the scraper blades 22 and an upper running area 24 that moves above the lower running area 23 are formed.

Since the present embodiment is configured as described above, when all of the co-drying preparation facilities (not shown) are operated, the exhaust air has the maximum blowing pressure. The introduction part 25 is fixed so that the opening area of the throat part 7 of the follow-up scrubber 4 is maximized, and the water flow is sprayed from the injection nozzle 9 of the follow-up scrubber 4 with an injection amount sufficient to remove dust. It is injected. The sprayed wet dust becomes heavier and separates from the air in the exhaust air and falls. The mist sprayed in the form of a mist moves to the first exhaust outlet 6 together with the air, and the mist is separated and removed by the mist separator 5 formed of a stainless steel plate having a double structure with a mountain-shaped cross section. It flows out of the outlet part 6. In this example, since the dust collection chamber 2 is formed to extend further downward from the first exhaust outlet 6, the exhaust stream partially separated from the mist flows into the space below the first exhaust outlet 6. Then, the mist is further separated and raised, and is discharged from the second exhaust outlet 17.

When some of the facilities of the co-drying preparation facility (not shown) are not operated, the blowing pressure of the exhaust gas is reduced, so that the opening area of the throat 7 of the follow-up scrubber 4 is reduced by It is fixed to a size corresponding to the pressure. Further, from the injection nozzle 9 of the follow-up scrubber 4, besides removing dust for dust collection,
The cleaning water stream is sprayed in a mist state with a spray amount that can positively suck the exhaust gas. By the injection of the cleaning water flow, the exhaust gas is sucked in the direction in which the cleaning water flow is injected, and is introduced into the dust collection chamber 2. Dust wet by the jetted mist-like water flow becomes heavier and is separated from air in the exhaust. in this case,
The mist sprayed in the form of a mist slightly increases due to the increase of the water flow, but the mist enters the dust collecting chamber 2 and is separated. The air containing some mist without being separated is discharged to the exhaust outlet 6.
And 17 respectively, pass through the mist separators 5 and 5 'each formed of a stainless steel plate having a double structure with a mountain cross section, and the mist is separated and removed while passing through the mist separators. And flows out from the exhaust outlets 6 and 17.

In this embodiment, the washing water injected from the injection nozzle 9 of the follow-up scrubber 4 is
And is pumped out of a fining area 27 of the liquid reservoir 14 by a pump 26 and supplied to the injection nozzle 9 of the follow-up scrubber 4 by a piping 28. In this example, when the water in the liquid reservoir is circulated for a certain period of time, the on-off valve 29 is opened, and the water is supplied from the pipe line 30 to, for example, a biological purification tank (not shown) and purified by biological treatment. . The purified water is supplied from the pipe line 31 to the liquid reservoir 14.
Is returned to.

In this embodiment, since the litter conveyor 12 is disposed in the dust collection chamber 2, the large refuse separated in the dust collection chamber 2 is separated on the perforated plate 19 of the litter conveyor 12. The coarse dust in the dust remaining after being separated on the perforated plate 19 of the litter conveyor 12 is scraped by the scraping blades 18 of the litter conveyor 12 and discharged to the outlet 32.
Is discharged into the oversized garbage transport container 33. In addition, since the scraper 15 is disposed at the bottom 15 of the liquid reservoir 14, sediment such as sludge including fine dust and the like in the dust separated in the liquid reservoir 14 is removed by the scraping blade 22 of the scraper 15.
And is discharged from the sediment discharge port 34 to the sediment transport container 35. In the present example, by providing the biological purification tank connected to the liquid reservoir 14, a part of the settling process in the liquid reservoir 14 can be performed in the biological purification tank, and the volume of the liquid reservoir 14 can be reduced. Downsizing becomes easy.

[0024]

According to the present invention, the dust collecting chamber of the present invention has an exhaust introduction portion formed by connecting a diffuser of a scrubber to a ceiling portion, and a side wall portion having an upper end connected to the ceiling portion. One includes a clean gas discharge unit formed with a mist separator, a liquid storage unit at the bottom, a sludge discharge conveyor at the bottom, and a liquid storage unit below the mist separator. Above the liquid level, a large-size waste discharge conveyor is provided, so that the dust collection chamber can be made vertical and the exhaust gas introduced into the dust collection chamber can be reduced compared to the conventional wet-type dust collector for grain processing equipment. The introduction speed can be doubled, for example, to 4 m / sec, and the installation area of the dust collection chamber is 5 times smaller than that of the conventional dust collection device.
It is possible to reduce even 0%, and the volume ratio of the dust collector can be reduced. Further, when the biological purification tank is provided in connection with the liquid reservoir, the volume of the liquid reservoir 14 can be reduced, and the miniaturization is further facilitated. Further, in the present invention, the dust collecting chamber is formed in a vertical type, and a bottom plate for partitioning the dust collecting chamber with respect to the liquid reservoir is unnecessary, so that the wet dust collecting apparatus is compared with the conventional wet dust collecting apparatus. The structure is simple, and a sewage treatment tank can be provided, and the treatment of dust-containing exhaust gas can be performed using clean washing water. It is possible to collect dust at a lower cost, and it is economical.

[Brief description of the drawings]

FIG. 1 is a schematic front sectional view of a wet dust collecting apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic side sectional view of the wet dust collector of the embodiment shown in FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Wet exhaust dust collector main body 2 Dust collection chamber 3 Ceiling part 4 Follow-up scrubber 5, 5 'Mist separator 6 First exhaust outlet part 7 Throat part or throat part 8 Enlarged part of follow-up scrubber 4 9 Wash water Injection nozzle 10 Extension of side wall facing the side wall with mist separator 11 Gutter 12 Litter conveyor 13 Connection flow path 14 Liquid reservoir 15 Bottom of liquid reservoir 16 Scraper 17 Second exhaust / discharge unit 18, 22 Reference Signs List 19 perforated plate 20, 24 upper running area 21, 23 lower running area 25 exhaust introduction section 26 pump 27 fining area 28, 30, 31 piping path 29 on-off valve 32 oversized waste outlet 33 oversized waste transport container 34 sludge discharge port 35 sludge Transport container

Claims (3)

[Claims] 1. A wet dust collector for exhausting a grain processing apparatus including a scrubber having a reduced portion and an enlarged portion and a dust collecting chamber, wherein the dust collecting chamber is formed by connecting an enlarged portion of the scrubber to a ceiling. One of the side walls, the upper end of which is connected to the ceiling, has a clean gas discharge formed with a mist separator, and has a liquid reservoir at the bottom. And a sludge discharge conveyor at the bottom, and a bulky waste discharge conveyor below the mist separator and above the liquid level in the liquid reservoir, wherein the wet dust collector for exhaustion of a grain processing apparatus is provided. 2. A scrubber having a reduction section and an expansion section, and a wet dust collector for exhausting a grain processing apparatus including a dust collection chamber, wherein the dust collection chamber is connected to a first ceiling and an expansion section of the scrubber is connected. An exhaust introduction portion formed by forming the first ceiling portion is connected to an edge portion of the first ceiling portion.
A first clean gas discharge portion formed with a mist separator is provided, and a second ceiling portion to which one edge is connected to a lower end of the first side wall is formed with a second mist separator. A second clean gas discharge section, a liquid storage section at the bottom, a sludge discharge conveyor at the bottom, and a bulky waste discharge conveyor below the mist separator and above the liquid level of the liquid storage section. The lower portion of the first side wall portion on the side opposite to the first side wall portion provided with the mist separator is inclined downward toward the first side wall portion provided with the mist separator, and the end portion thereof is the oversized waste discharge. An exhaust wet dust collector for a cereal processing apparatus, which is formed adjacent to a sieve plate of a conveyor. 3. An exhaust wet dust collector for a grain processing apparatus comprising a scrubber having a reduced portion and an enlarged portion and a dust collecting chamber, wherein the dust collecting chamber is connected to an enlarged portion of the scrubber at a first ceiling. An exhaust introduction portion formed by forming the first ceiling portion is connected to an edge portion of the first ceiling portion.
A first clean gas discharge portion formed with a mist separator is provided, and a second ceiling portion to which one edge is connected to a lower end of the first side wall is formed with a second mist separator. A second clean gas discharge section, a liquid storage section at the bottom, a sludge discharge conveyor at the bottom, and a bulky waste discharge conveyor below the mist separator and above the liquid level of the liquid storage section. The lower portion of the first side wall portion on the side facing the first side wall portion including the mist separator in the first side wall portion is inclined downward toward the first side wall portion including the mist separator. , The end of which is formed adjacent to the sieve plate of the oversized garbage discharge conveyor, and the liquid reservoir is connected to a sewage treatment tank via a pump. Dust collector.