KR200487435Y1 - Drum screen equipment for fishery - Google Patents

Drum screen equipment for fishery Download PDF

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Publication number
KR200487435Y1
KR200487435Y1 KR2020160005295U KR20160005295U KR200487435Y1 KR 200487435 Y1 KR200487435 Y1 KR 200487435Y1 KR 2020160005295 U KR2020160005295 U KR 2020160005295U KR 20160005295 U KR20160005295 U KR 20160005295U KR 200487435 Y1 KR200487435 Y1 KR 200487435Y1
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KR
South Korea
Prior art keywords
sludge
rotary drum
collecting unit
sludge collecting
side portion
Prior art date
Application number
KR2020160005295U
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Korean (ko)
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KR20180000783U (en
Inventor
김정철
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김정철
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Priority to KR2020160005295U priority Critical patent/KR200487435Y1/en
Publication of KR20180000783U publication Critical patent/KR20180000783U/en
Application granted granted Critical
Publication of KR200487435Y1 publication Critical patent/KR200487435Y1/en

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/10—Cleaning bottoms or walls of ponds or receptacles
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/126—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using drum filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The present invention relates to a rotary drum apparatus for fish farms, in which sludge contained in a fishwater is moved upward by centrifugal force generated by rotation of a rotary drum, and the sludge moved is separated from the inner surface of a rotary drum by an injection device The present invention relates to a rotary drum apparatus for fish farms that collects and discharges sludge as it falls to a sludge collecting section.
In order to solve the above-described problems, the rotary drum apparatus for fish farms according to the present invention includes one side portion comprising an opening portion, another side portion spaced apart from the one side portion by a predetermined distance, and a filtration portion formed to connect one side portion and the other side portion, A rotary drum formed into a cylindrical shape; A support frame rotatably mounted on the rotary drum with respect to a central axis; A rotation driving unit provided on the other side of the rotary drum for rotating the rotary drum; An injector arranged to inject a washing liquid from the upper portion of the rotary drum toward the filter portion; A sludge collecting unit for collecting sludge falling inside the rotary drum; And a sludge discharge pipe for supporting the sludge collecting unit at a lower portion of the sludge collecting unit and receiving sludge collected by the sludge collecting unit through a connection pipe and discharging the sludge to the outside.

Description

TECHNICAL FIELD [0001] The present invention relates to a drum apparatus for a fish farm,

The present invention relates to a rotary drum apparatus for fish farms, in which sludge contained in a fishwater is moved upward by centrifugal force generated by rotation of a rotary drum, and the sludge moved is separated from the inner surface of a rotary drum by an injection device The present invention relates to a rotary drum apparatus for fish farms that collects and discharges sludge as it falls to a sludge collecting section.

The term "fish" refers to fish farming with artificial facilities and means to match the fish's habits, and it can be selected among several forms such as exponential fish, water fish fish, circulating fish fish, cage fish depending on the fish's habit. And so on.

Among them, the circulating filtration type fish is used to purify and reuse the water in the breeding ground, and the fish can be cultured at a high density. In the winter when the water temperature is low, the temperature of the water is raised by using the boiler, , Tilapia, and the like.

Since the amount of water is smaller than the amount of fishes that are accommodated, the rate of deterioration of the quality of the water by the dirt such as excrement is fast and the degree of the deterioration is more serious than that of the other methods. Therefore, sludge such as excrement or leftover food should be removed as soon as possible to weaken the physiological function of the fish and cause disease.

The most commonly used methods for removing sludge from fish farms include drum screens, sedimentation methods, sand filters, and protein skimmers.

As one of techniques related to the conventional drum screen device, Registration Practical Utility Model No. 20-0400285 is disclosed.

In a conventional drum screen device, a chain is mounted on a circumferential surface of a drum frame of a microfilter unit installed in a water tank, and a sprocket of a driving motor is directly connected. In addition, a plurality of drum frame fixing bars Shaped filter guide plate unit and the microfilter unit are assembled in a manner that a filter fixing bar unit and a filter side fixing bar unit are inserted into the connection portion and the filter rubber packing is inserted in the inside.

Since such a conventional drum screen device is constructed by pumping water from a fish farm into a device such as a pump and treating the sludge by removing it, a separate device for supplying water from the fish farm to the drum screen device is required, In addition, there is a disadvantage in that a lot of noise is generated according to the operation of the pump, which adversely affects the growth environment of the fish.

KR 20-0400285 (Y1)

The object of the present invention is to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a sludge treatment apparatus and a sludge treatment method, And the sludge is separated from the inner surface of the rotary drum by the jetting device and dropped to the sludge collecting part, thereby to collect and discharge the sludge.

In order to solve the above-described problems, the rotary drum apparatus for fish farms according to the present invention includes one side portion comprising an opening portion, another side portion spaced apart from the one side portion by a predetermined distance, and a filtration portion formed to connect one side portion and the other side portion, A rotary drum formed into a cylindrical shape; A support frame rotatably mounted on the rotary drum with respect to a central axis; A rotation driving unit provided on the other side of the rotary drum for rotating the rotary drum; An injector arranged to inject a washing liquid from the upper portion of the rotary drum toward the filter portion; A sludge collecting unit for collecting sludge falling inside the rotary drum; And a sludge discharge pipe for supporting the sludge collecting unit at a lower portion of the sludge collecting unit and receiving sludge collected by the sludge collecting unit through a connection pipe and discharging the sludge to the outside.

The rotation driving unit may include: a motor fixed to the support frame; A first gear provided on an outer surface of the other side circular plate of the rotary drum; And a second gear engaged with the first gear and connected to an axis of the motor to receive power.

On the other hand, the sludge collecting unit is provided such that the opened upper portion faces the spraying nozzle of the spraying apparatus.

The sludge discharge pipe may further include a swash plate for moving the sludge introduced through the connection pipe to the discharge direction side.

According to the present invention, as the rotary drum is rotated, the sludge contained in the floating water is moved upward, and the moved sludge is separated from the inner surface of the rotary drum by the high pressure water discharged from the spraying device, There is an advantage that the sludge can be easily separated and discharged.

1 is a perspective view of a rotary drum apparatus for fish farms according to the present invention;
2 is a cross-sectional view taken along line AA 'of the rotary drum apparatus for fish farming according to the present invention.
3 is a cross-sectional view of BB 'of the rotary drum apparatus for fish farming according to the present invention.
4 is a partial cross-sectional view of the sludge discharge pipe according to the present invention.
FIG. 5 is an enlarged sectional view of the rejection according to the present invention. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

The present invention relates to a rotary drum apparatus for fish farms, in which the sludge contained in the fish water is moved upward by centrifugal force generated by the rotation of the rotary drum 100, and the moved sludge is discharged from the spray apparatus 400 And the sludge is separated and discharged as it drops from the inner surface of the rotary drum 100 to the sludge collecting part 500. [

FIG. 1 is a perspective view of a rotary drum apparatus for an aquarium according to the present invention, FIG. 2 is a sectional view taken along the line AA 'of the rotary drum apparatus for an aquarium according to the present invention, And FIG. 4 is a partial internal sectional view of the sludge discharge pipe according to the present invention.

The present invention includes a rotary drum 100, a support frame 200, a rotation driving unit 300, an injector 400, a sludge collecting unit 500, and a sludge discharge pipe 600.

The rotary drum 100 is for separating and discharging the sludge contained in the fish water by using a centrifugal force and separating and discharging the sludge. The rotary drum 100 includes a side part 110 formed of an opening part 111, And a filtering part 130 formed to connect the one side part 110 and the other side part 120 to each other.

The rotary drum 100 is supplied with water for filtration through the opening 111 so that the one side portion 110 is smoothly supplied with water and the rotary drum 100 is firmly supported .

A plurality of supports 112 extending from the central portion to the inner surface of the filtration portion 130 are provided in the one side portion 110 so that the plurality of support portions 112 are radially arranged with respect to the center portion, 110) are securely supported while smoothly supplying water to the inside.

Meanwhile, the filtration unit 130 is for filtering the sludge contained in the fishwater water, and is formed of a screen net in the form of a mesh. In the case of a configuration using a screen network for filtering the fish water, a detailed description thereof will be omitted since it is a known technique.

On the other hand, since the rotary drum 100 has a structure for filtration, it is made of stainless steel or the like and has high corrosion resistance and good durability.

According to the above-described construction, the sludge contained in the water is filtered and rotated while being adhered to the inner surface of the rotary drum 100, and the sludge is moved upward and collected, which will be described in detail later.

The support frame 200 is for supporting the rotary drum 100, and the rotary drum 100 is coupled to be rotatable with respect to the center shaft 140.

More specifically, the center shaft 140 protruding outward is formed at the center of the other side 120 of the rotary drum 100, and the center shaft 140 is rotated with the support frame 200 So that the rotary drum 100 can be supported by the support frame 200.

At this time, a lower partition 220 formed in a shape corresponding to the filtration unit 130 is provided adjacent to the filtration unit 130 below the support frame 200, And a lid 210 for protecting the upper portion of the rotation driving unit 300 is provided above.

The rotation driving unit 300 is provided on the other side 120 of the rotary drum 100 and rotates the rotary drum 100. More specifically, the rotary driving unit 300 includes a motor M, a first gear 310, And a second gear 320.

The motor M produces power for rotating the rotary drum 100 and is fixed to the other side of the support frame 200 by a bracket or the like.

The first gear 310 rotates the rotary drum 100 about the center shaft 140 and is fixedly coupled to the center shaft 140.

The second gear 320 transmits the power of the motor M to the first gear 310 and is coupled to the shaft of the motor M so as to be engaged with the first gear 310. And the power of the motor M is transmitted to the first gear 310 as it is provided on the other side of the rotary drum 100.

The first gear 310 and the second gear 320 are connected to each other by a chain (not shown). The first gear 310 and the second gear 320 are connected to each other by a pair of gears, So as to rotate more stably.

The injector 400 is for dropping the sludge moved upward by the rotation of the filtration unit 130 to the sludge collecting unit 500. The sludge collecting unit 500 is provided with the filtering unit 130, As shown in FIG.

The injection device 400 includes a cleaning liquid supply pipe 410 having a length corresponding to the filtration part 130 and a plurality of discharge nozzles spaced a predetermined distance in the longitudinal direction of the cleaning liquid supply pipe 410 420).

It is further preferable that the injection nozzle 420 is disposed to face the sludge rejection side to be described later, and is arranged so as to inject the washing liquid obliquely toward the sludge rejection side.

As a result, an external force is applied to the sludge which is adhered to the inner surface of the filtration unit 130 in an oblique direction, so that the sludge can be more easily separated.

Meanwhile, the plurality of injection nozzles 420 are provided to inject the cleaning liquid in the longitudinal direction of the filtration unit 130 without any gaps.

As the high-pressure cleaning fluid is discharged from the jetting device 400, the cleaning fluid and the foreign-born water may bounce out due to the collision between the cleaning fluid and the filtration part 130, And a lid 210 covering the filter unit 130. The lid 210 is preferably provided on the lower surface of the lid.

The lid 210 is formed in a plate shape having a curvature corresponding to the outer circumferential surface of the filtration part 130. One end of the lid 210 is coupled to the support frame 200 and the other end is connected to the upper part of the filtration part 130 .

The sludge collecting unit 500 collects the sludge separated from the fish water, and is fixed inside the rotary drum 100 to collect sludge and wash water to be dropped.

In other words, the upper part is formed to have a length corresponding to the length of the filtration part 130 in the form of a hopper whose upper part is opened. The upper part of the open part is directed upward, The sludge is collected and discharged to the outside.

Since the raised sludge is separated by the injector 400 and dropped to the sludge collecting part 500, it is preferable that the opening part of the sludge collecting part 500 is disposed to face the injection nozzle 420 desirable.

Meanwhile, the sludge collected in the sludge collecting unit 500 is discharged through a connection pipe 510 to a sludge discharge pipe 600 to be described later.

The lower surface of the sludge collecting unit 500 is inclined from one side to the other side in order to facilitate the movement of the sludge toward the connection pipe 510. The connection pipe 510 connects the sludge collecting unit 500 And is provided at a position adjacent to the lowermost end.

Accordingly, the sludge collected in the sludge collecting unit 500 can be smoothly moved to the connection pipe 510 side by the inclination without staying in the sludge collecting unit 500.

The sludge discharge pipe 600 discharges the filtered sludge and is provided to support the sludge collecting part 500 at a lower part of the sludge collecting part 500, The sludge collected in the unit 500 is discharged to the outside.

In addition, the sludge discharge pipe 600 is formed in an extended pipe shape, and is provided inside the rotary drum 100 so as to be concentric with the rotary drum 100.

At this time, the sludge discharge pipe 600 is formed to have a length sufficiently longer than the filtration part 130, and one side of the sludge discharge pipe 600 is hinged to the other side 120 side of the rotary drum 100 The other side of the sludge discharge pipe 600 is connected to a separate storage tank (not shown) provided outside through the one side 110 of the rotary drum 100 to discharge the collected sludge to the outside So that it is firmly coupled to the rotary drum 100.
That is, the sludge discharge pipe 600 includes a pipe extending in one direction and is disposed inside the rotary drum 100 so as to be concentric with the rotary drum 100, and one side of the sludge discharge pipe 600 is connected to the rotary drum 100, And the other side of the rotary drum 100 protrudes through a central portion of the one side 110 of the rotary drum 100 and is coupled to the support frame 200.

Meanwhile, the connection pipe 510 supports the sludge collecting part 500 as one side communicates with the sludge collecting part 500 and the other side communicates with the side surface of the sludge discharging pipe 600, And receives sludge from the sludge collecting unit (500).

The connection pipe 510 is connected to the sludge discharge pipe 600 at a position adjacent to the other side of the sludge discharge pipe on the discharge side of the sludge discharge pipe 600, that is, the one side 110 of the rotary drum 100. So that the collected sludge can be discharged directly to the outside from the sludge discharge pipe 600.

The sludge discharge pipe 600 further includes an inclined plate 610 for allowing the sludge introduced through the connection pipe 510 to be easily moved toward the discharge port.

The swash plate 610 is formed in a plate shape inclined in one direction and is disposed adjacent to the connection pipe 510 so as to move the sludge introduced from the connection pipe 510 to the other side of the sludge discharge pipe 600 Respectively.

Accordingly, the sludge introduced into the sludge discharge pipe 600 is naturally discharged toward the discharge direction side by the inclination of the swash plate 610, so that sludge is not accumulated in the sludge discharge pipe 600.

Meanwhile, in order to more firmly fix the sludge collecting part 500, a supporting means 520, one side of which is coupled to the sludge collecting part 500 and the other side of which is engaged with the side surface of the sludge discharge pipe 600, May be provided.

According to the above configuration, the present invention allows the sludge included in the water supply water to be separated and discharged by the rotating centrifugal force of the rotary drum 100.

More specifically, when the motor M is operated in a state in which water is supplied to the interior of the rotary drum 100, the first gear 310 and the second gear 320 rotate the rotary drum 100. [ (100) rotates.

At this time, the sludge contained in the water supply water is adhered to the inner surface of the filtration unit 130 by the centrifugal force of the rotary drum 100, and the water of the water supply water is discharged to the outside through the mesh of the filtration unit 130 do.

The sludge adhering to the filtration unit 130 is gradually moved upward by the rotation of the rotary drum 100. The sludge transferred to the upper part is discharged to the rotary drum 130 by the hydraulic pressure of the cleaning liquid jetted from the jetting device 400. [ 100, and collected in the sludge collecting unit 500. The sludge collecting unit 500 collects the sludge from the sludge collecting unit 500.

Thereafter, the sludge collected in the sludge collecting unit 500 is naturally moved to the connecting pipe 510 by the inclination of the sludge collecting unit 500, and the sludge discharged from the sludge discharging pipe 600 At this time, the sludge is discharged to the outside without being accumulated in the sludge discharge pipe 600 while being slid by the swash plate 610 provided at the lower part of the connection pipe 510.

The discharged sludge is moved to a separate storage tank (not shown) or a treatment apparatus (not shown) or the like.

5 is an enlarged cross-sectional view of the rejection according to the present invention.

The present invention is for separating and discharging the sludge included in the fish water of the fish farm, and in order to more easily collect the sludge, the rotary drum 100 may further include the rejection unit 700.

As shown in FIG. 5, the rejection unit 700 includes a head unit 710 having a concave-shaped cross-section at one side thereof, and the rejection unit 700 Is coupled to the inner surface of the filtration unit 130.
As shown in FIG. 2, in order to raise the sludge by the head 710 in the upward direction of the rotary drum 100 as the rotary drum 100 is rotated, A plurality of radial holes are arranged at predetermined intervals along the inner surface of the filtration unit 130 with respect to the rotation center of the rotary drum 100.

Accordingly, during the process of gradually rotating the rotary drum 100 in the upward direction, the sludge contained in the water is continuously rotated in the state where the sludge is placed on the head part 710, do.

At this time, a part of the sludge sticking to the wall surface of the filtration unit 130 is slid downward by gravity. The sludge 700 is moved upward while collecting the slipping sludge.

Thereafter, when the rejection 700 is moved to the vicinity of the sludge collecting unit 500, the sludge is separated and dropped by the injector 400, and is collected in the sludge collecting unit 500.

At this time, it is preferable that a plurality of filtration holes 720 are formed in the rejection 700, thereby facilitating filtration of the sludge.

While the preferred embodiments of the present invention have been described, it should be understood that the scope of the present invention is not limited thereto and that the range of the present invention is substantially equivalent to the embodiments of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: rotary drum 110:
111: opening part 112: support part
120: the other side 130:
131: Filtration hole 140: Center axis
200: support frame 210: cover
300: rotation drive unit 310: first gear
320: second gear
400: Injection device 410: Wash liquid supply pipe
420: injection nozzle
500: sludge collecting unit 510: connecting pipe
520: Support means
600: Sludge discharge pipe 610: Swash plate
700: rejection 710: head part
720: Filtration hole
M: Motor

Claims (4)

A side portion 110 formed of an opening portion 111 and an other side portion 120 disposed parallel to the side portion 110 at a predetermined distance from the side portion 110. The other side portion 120 is formed to connect the one side portion 110 and the other side portion 120 A rotary drum (100) including a filtration part (130) and formed into a cylindrical shape;
A support frame 200 rotatably mounted on the rotary drum 100 with respect to a central axis 140;
A rotation driving unit 300 provided on the other side 120 of the rotary drum 100 for rotating the rotary drum 100;
An injector 400 configured to inject a washing liquid from the upper portion of the rotary drum 100 toward the filtering unit 130;
A sludge collecting unit 500 having an upper portion opened to collect sludge falling inside the rotary drum 100 so as to face the injection nozzle 420 of the injector 400;
The sludge collecting unit 500 includes a sludge collecting unit 500 and a sludge collecting unit 500. The sludge collecting unit 500 collects the sludge collected by the sludge collecting unit 500, (600);
/ RTI >
The rotation driving unit 300 includes:
A motor M fixed to the support frame 200;
A first gear 310 provided on an outer surface of the other side circular plate of the rotary drum 100; And
A second gear 320 meshing with the first gear 310 and connected to a shaft of the motor M to receive power;
/ RTI >
The sludge discharge pipe (600)
And is disposed inside the rotary drum 100 so as to be concentric with the rotary drum 100 and has one side hinged to the other side 120 of the rotary drum 100 And the other side is protruded outward through a central portion of the one side 110 of the rotary drum 100 to be coupled with the support frame 200,
Between the sludge discharge pipe 600 and the sludge collecting unit 500,
A plurality of support means 520 is provided, one side of which is coupled to the sludge collecting unit 500 and the other side of which is coupled to the sludge discharge pipe 600,
On the inner surface of the filtration unit 130,
A plurality of water receptacles 700 including a head portion 710 having a concave shaped cross section are radially formed at predetermined intervals along the inner surface of the filtration portion 130 with respect to the rotation center of the rotary drum 100, And the sludge is pumped up by the head portion 710 in the ascending direction of the rotary drum 100,
In the head portion 710,
And a plurality of filtration holes (720) are provided in the drum.
delete delete The method according to claim 1,
Inside the sludge discharge pipe 600,
Further comprising a swash plate (610) for moving the sludge introduced through the connection pipe (510) to the discharge direction side.

KR2020160005295U 2016-09-08 2016-09-08 Drum screen equipment for fishery KR200487435Y1 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
KR102431533B1 (en) * 2022-01-25 2022-08-10 유기선 Dual Connected Powerless Drum-Type Filtering Apparatus for Fish Farm

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CN108902003A (en) * 2018-06-19 2018-11-30 陈秀珍 Double-drainage, can fish jar capable of discharging pollution circulation filter
CN108745206A (en) * 2018-06-25 2018-11-06 何晓燕 A kind of reaction kettle of chemical industry solid-liquid reaction goes out material separating device
CN108967319A (en) * 2018-09-11 2018-12-11 中国水产科学研究院淡水渔业研究中心 It is a kind of for fish early stage resource sampling after filtering screening device
CN109534420A (en) * 2018-12-26 2019-03-29 李林 A kind of Microfilter and the sewage disposal system using the Microfilter
KR102327695B1 (en) * 2021-05-31 2021-11-18 미래환경기술 주식회사 Disk Filter Filtration

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KR101009439B1 (en) 2010-09-13 2011-01-19 윤미자 Drum screen
KR101089549B1 (en) * 2011-06-21 2011-12-06 서정태 Drum screen equipment for fishery

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KR920000930Y1 (en) * 1990-04-26 1992-02-06 윤복현 Apparatus removable filth in the fish-farm
KR20040000285A (en) 2002-06-24 2004-01-03 정용권 Paper courage and manufacture method for cup lid combined use one time
KR20100114413A (en) * 2009-04-15 2010-10-25 이용해 Drum screen for fishery

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Publication number Priority date Publication date Assignee Title
KR101009439B1 (en) 2010-09-13 2011-01-19 윤미자 Drum screen
KR101089549B1 (en) * 2011-06-21 2011-12-06 서정태 Drum screen equipment for fishery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102431533B1 (en) * 2022-01-25 2022-08-10 유기선 Dual Connected Powerless Drum-Type Filtering Apparatus for Fish Farm

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