KR20200101580A - apparatus of treatment coating thread for oysterfarming - Google Patents

apparatus of treatment coating thread for oysterfarming Download PDF

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Publication number
KR20200101580A
KR20200101580A KR1020190019584A KR20190019584A KR20200101580A KR 20200101580 A KR20200101580 A KR 20200101580A KR 1020190019584 A KR1020190019584 A KR 1020190019584A KR 20190019584 A KR20190019584 A KR 20190019584A KR 20200101580 A KR20200101580 A KR 20200101580A
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South Korea
Prior art keywords
waste
yarn
vibration
coating
cutter
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KR1020190019584A
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Korean (ko)
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박종갑
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박종갑
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
    • B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The present invention relates to an apparatus for treating a waste optical cable, a waste wire, a waste coating yarn and a waste fishing net, and in particular, to an apparatus for treating a coating yarn for oyster farming, capable of selecting, for each material, coating yarns which are discarded after being used for oyster farming and recycling the same. The apparatus for treating a waste optical cable, a waste wire, a waste coating yarn and a waste fishing net comprises: a cutter (10) for cutting collected coating yarns into a predetermined length; a crusher (20) consisting of a predetermined fixed cutter and rotating cutter to finely crush the cut coating yarns; a screw separation apparatus (30) having a transfer screw installed below the crusher, provided with a filter mesh therebelow, and having a storage tank on a lower part according to a guiding plate; a vibration separation apparatus (40) installed on a rear side of the transfer screw (31) and consisting of a vibration plate (42) having a vibration means; and an underwater separation apparatus (50) installed on a rear side of the vibration separation apparatus and consisting of a floating object outlet (54) on an upper part and a cap (56) on a lower part.

Description

폐 광케이블, 폐전선, 폐코팅사, 폐어망 처리장치{apparatus of treatment coating thread for oysterfarming}Waste optical cable, waste wire, waste coating yarn, waste fishing net treatment device {apparatus of treatment coating thread for oysterfarming}

본 발명은 폐 광케이블, 폐전선, 폐코팅사, 폐어망 처리장치에 관한 것으로서, 특히 굴양식에 사용된 후 폐기 처리되는 코팅사를 재질별로 선별하여 재활용할 수 있도록 하는 처리장치 관한 것이다.The present invention relates to a waste optical cable, a waste electric wire, a waste coated yarn, and a waste fishing net treatment device, and in particular, to a treatment device that enables the recycling of the coated yarn to be disposed of by material after being used for oyster farming.

통상적으로, 바다에서 굴을 양식하는 방법은 우선, 굴껍질에 하나씩 구멍을 뚫고 여기에 코팅사를 꿰고 매듭을 만들어 굴껍질을 고정한 후 바다에 침강시킨다. 그리고 일정한 시간이 지나면 굴껍질에는 굴종란이 착생을 하게 되고 일정시간이 지남에 따라 굴종란이 성장한다. 이후 코팅사를 당겨 코팅사에 붙은 성장된 굴을 수면위로 끌어올리고, 코팅사를 매듭 단위로 절단하며 굴껍질을 코팅사로 분리시킨 다음 성장한 굴을 수거하게 된다.In general, the method of cultivating oysters in the sea is to first make a hole in the oyster shell one by one, thread a coating thread there, make a knot, fix the oyster shell, and then settle in the sea. And after a certain period of time, oyster eggs grow in the oyster shell, and oyster eggs grow over a certain period of time. Thereafter, the grown oysters attached to the coating yarn are pulled up on the water surface by pulling the coating yarn, the coating yarn is cut into knots, the oyster shells are separated into the coating yarn, and the grown oysters are collected.

이때 상기 코팅사는 폴리프로필렌(Polypropylene) 재질의 연질사에 PVC를 코팅하여 형성된 것으로 해수에 변질 없이 견딜 수 있고 파도에 지탱할 수 있는 강도를 가진다.At this time, the coating yarn is formed by coating PVC on soft yarn made of polypropylene, and has strength to withstand seawater without alteration and to support waves.

한편, 양식된 어패류를 수확할 때는 코팅사에 부착된 어패류에서 내용물만 채취하고 나머지 껍질은 코팅사와 함께 바다 혹은 해변에 버려지거나 적당한 장소에 매립된다. On the other hand, when harvesting cultivated seafood, only the contents are collected from the fish and shellfish attached to the coated sand, and the remaining shells are discarded in the sea or on the beach with the coating sand or buried in a suitable place.

특히 상기 코팅사는 썩지 않는 화학제품으로 해양을 오염시키는 원인이 되고 있지만 보관장소의 문제점과 폐기 처분시 부담되는 비용 때문에 대부분의 코팅사는 환경을 오염시키면서 방치되고 있다.In particular, the coating yarn is a cause of contaminating the ocean with non-perishable chemical products, but most coating yarns are neglected while contaminating the environment due to the problem of storage and the cost of disposal.

그리고, 폐자제를 재활용하지 못하게 되면서 자제 구입에 따른 경제적 손실이 크다.In addition, as waste materials cannot be recycled, economic losses are large due to the purchase of materials.

본 발명은 상술한 종래의 문제점을 극복하기 위한 것으로, 본 발명의 목적은 폐코팅사의 수거율을 높여 환경오염을 방지할수 있으며, 재활용하게 되면서 자원의 낭비를 줄일 수 있는 굴 양식용 코팅사 처리장치를 제공함에 있다.The present invention is to overcome the above-described conventional problems, an object of the present invention is to prevent environmental pollution by increasing the collection rate of the waste coating yarn, and to reduce the waste of resources while recycling a coating yarn treatment device for oyster farming In the offering.

상기 목적을 달성하기 위해 본 발명은 수거된 코팅사를 일정한 길이로 절단하기 위한 절단기(10)와, 상기 절단된 코팅사를 미세하게 분쇄하기 위해 소정의 고정커터와 회전커터로 구성되는 파쇄기(20)와, 상기 파쇄기 아래에 이송스크류가 설치되며 그 아래에 걸름망체가 구비되고 안내판을 따라 하부에 저장조를 가지는 스크류 분리장치(30)와, 상기 이송스크류(31) 후방으로 설치되며 진동수단을 가진 진동판(42)으로 구성되는 진동분리장치(40)와, 상기 진동분리장치 후방으로 설치되며 상부의 부상물체 배출구(54)와 하부의 캡(56)으로 구성되는 수중분리장치(50)로 구성됨을 특징으로 한다.In order to achieve the above object, the present invention is a cutter 10 for cutting the collected coated yarn into a certain length, and a crusher 20 comprising a predetermined fixed cutter and a rotary cutter to finely crush the cut coated yarn. ) And, a transfer screw is installed under the crusher, a filter mesh is provided under it, and a screw separating device 30 having a storage tank under the guide plate, and a vibration plate installed to the rear of the transfer screw 31 and having a vibration means It is characterized by consisting of a vibration separation device (40) consisting of 42, and an underwater separation device (50) installed to the rear of the vibration separation device and consisting of an upper floating object outlet (54) and a lower cap (56). To do.

이상으로 살펴본 바와 같이, 본 고안에 따른 굴양식용 코팅사 처리장치는 폐코팅사를 저렴한 비용으로 처리할 수 있어 버려지거나 매립으로 인한 환경오염을 방지할 수 있으며, 완벽한 분리로서 재활용도를 높이고 품질이 상승되며 소중한 자원이 낭비되는 것을 방지할 수 있게 된다.As discussed above, the coating yarn treatment device for oyster farming according to the present invention can treat waste coated yarn at low cost, thereby preventing environmental pollution caused by wasted or landfilled, and improves recyclability and quality by perfect separation. This rises and valuable resources are prevented from wasting.

도 1은 본 고안에 따른 굴양식용 코팅사 처리장치의 도면.1 is a view of a coating yarn processing apparatus for oyster culture according to the present invention.

본 발명은 상술한 종래의 문제점을 극복하기 위한 것으로, 본 고안의 목적은 폐코팅사의 수거율을 높여 환경오염을 방지할수 있으며, 재활용하게 되면서 자원의 낭비를 줄일 수 있는 굴 양식용 코팅사 처리장치를 제공함에 있다.The present invention is to overcome the above-described conventional problems, the object of the present invention is to prevent environmental pollution by increasing the collection rate of the waste coating yarn, and to reduce the waste of resources while recycling a coating yarn treatment device for oyster farming In the offering.

도 1은 본 고안에 따른 굴양식용 코팅사 처리장치의 전체 구성도로서 수거된코팅사를 일정한 길이로 절단하는 절단기(10) 와 상기 절단된 코팅사를 미세하게 분쇄하며 연질사와 경질외피로 분리시키는 파쇄기(20)와, 이송스크류를 통해 이송시키 면서 연질사와 경질외피를 1차적으로 분리시키는 스크류 분류장치(30)와, 진동판위를 이동시키면서 경질외피 속에 함유된 연질사를 2차적으로 분리시키는 진동분리장치(40)와, 비중의 차이로 인해 상기 경질외피와 연질사를 3차적으로 분리 시키는수중 분리장치(50)로 구성된다.1 is an overall configuration diagram of a coating yarn processing apparatus for oyster culture according to the present invention, a cutter 10 that cuts the collected coated yarn to a certain length, and finely pulverizes the cut coated yarn and separates it into soft yarn and hard shell The shredder 20 that makes it possible, the screw sorting device 30 that primarily separates the soft yarn and the hard sheath while being transferred through the transfer screw, and the soft yarn contained in the hard sheath while moving on the vibration plate. It consists of a vibration separation device 40 and an underwater separation device 50 that thirdly separates the hard shell and the soft yarn due to the difference in specific gravity.

위를 더욱 자세하게 설명하면 다음과 같다.The above is explained in more detail as follows.

우선 코팅사는 폴리프로필렌 재질의 연질사에 외피를 이루는 PVC가 코팅되어 경질외피를 구성하는 것으로, 연질사는 비중이 낮고 경질외피는 비교적 비중이 높다.First of all, the coated yarn constitutes a hard sheath by coating PVC that forms the outer sheath on the soft yarn made of polypropylene, and the soft yarn has a low specific gravity and the hard sheath has a relatively high specific gravity.

위의 코팅사를 회수하여 표면에 부착된 이물질을 제거하고 절단기(10)에 넣어 일정한 길이로 절단한다. 상기 절단기(10) 는 양측에서 회전하는 회전커터(14,16) 외측 둘레를 따라 절단날(15)을 가지고 하우징(12) 내부에 장착된 것으로 상부에는 코팅사(1)를 투입시키기 위한 컨베이어(11)가 설치되고 하부에는 호퍼형태의 배출구를 구성하고 있다.The above coated yarn is recovered, foreign substances attached to the surface are removed, and then put into a cutter 10 and cut into a certain length. The cutter 10 is mounted inside the housing 12 with a cutting blade 15 along the outer circumference of the rotary cutters 14 and 16 rotating on both sides, and a conveyor for inputting the coating yarn 1 at the top ( 11) is installed and a hopper-type discharge port is formed at the bottom.

상기 절단기 아래에는 절단된 코팅사(1)를 파쇄기(20)까지 이동시키고 투입시키는 컨베이어(18)가 설치된다.A conveyor 18 is installed under the cutting machine to move the cut coating yarn 1 to the crusher 20 and put it therein.

상기 파쇄기(20)는 일정한 길이로 절단된 코팅사를 미세하게 분쇄시키며 연질사(1a)와 경질외피(1b)를 분리시키는 것으 로, 하우징(20) 내부에 회전커터(24)가 장착되고 아래에 걸름망체(26)가 설치된다. 그리고 상기 회전커터가 회전되는 외경의 외측으로 하나 이상의 고정커터(28,29)가 하우징(22)에 고정된다.The crusher 20 finely crushes the coated yarn cut into a certain length and separates the soft yarn 1a and the hard sheath 1b. A rotary cutter 24 is mounted inside the housing 20, and In the filter net (26) is installed. In addition, one or more fixed cutters 28 and 29 are fixed to the housing 22 outside the outer diameter in which the rotary cutter is rotated.

그리고 상기 하우징(22)의 아래에는 스크류 분리장치(30)가 설치되어 파쇄된 연질사(1a)와 경질외피(1B)를 1차적으로 분리시킨다. 즉, 파쇄기(20)의 하부와 연계되도록 수평으로 설치된 이송스크류(31)가 일측의 모터(32)에 의해 구동되게 하고 상기 이송스크류(31)의 외측 저면으로 걸름망체(33)가 설치된다. 따라서 연질소재로서 미세하게 분쇄된 연질사(1a)는 이송스크류(31)를 따라 이송할 때 아래의 걸름망체(33) 아래로 추락하게 된다. 상기 이송스크류(31) 아래에는 중앙으로 협소 해지는 안내판(34)이 설치되고 그 아래에 저장조(38)를 두고 있다. 이때 상기 안내판(34)과 저장조(38) 사이에는 진공펌프 (37)가 장착되어 비중이 가벼운 연질사 가루를 진공으로 흡입하여 저장조(38)로 유입시킨다.Further, a screw separation device 30 is installed under the housing 22 to primarily separate the crushed soft yarn 1a and the hard shell 1B. That is, the transfer screw 31 installed horizontally so as to be connected to the lower part of the crusher 20 is driven by the motor 32 on one side, and the filter mesh 33 is installed on the outer bottom surface of the transfer screw 31. Therefore, the finely pulverized soft sand 1a as a soft material falls under the filter mesh 33 below when being transported along the transport screw 31. A guide plate 34 narrowing to the center is installed under the transfer screw 31 and a storage tank 38 is placed under it. At this time, a vacuum pump 37 is mounted between the guide plate 34 and the storage tank 38 to suck the soft sand powder with a light specific gravity by vacuum to flow into the storage tank 38.

한편 상기 이송스크류(31)의 후방에는 통로(39)에 의해 연결되는 진동분리장치(40)가 설치된다. 상기 진동분리장치는 소정의 진동수단(44)에 의해 진동되는 진동판(42)이 설치되어, 비중이 적은 연질사를 아래로 추락시키고 경질외피를 후방으로 이동시킨다. 그리고 상기 진동판(42)의 하부에는 안내통로(46)가 설치되어 전술한 저장조(38)로 연결된다.Meanwhile, a vibration separation device 40 connected by a passage 39 is installed at the rear of the transfer screw 31. The vibration separation device is provided with a vibration plate 42 that is vibrated by a predetermined vibration means 44, so that the soft yarn having a low specific gravity falls down and the hard shell is moved backward. In addition, a guide passage 46 is installed below the vibration plate 42 to be connected to the storage tank 38 described above.

그리고 상기 진동분리장치(40) 후방으로 수중분리장치(50)가 설치된다. 상기 수중분리장치는 진동판(42)을 통과한 경질 외피 속에 함유된 연질사를 최종적으로 분리시키기 위한 것으로, 상기 진동판(42)과 연결되는 수조(52)가 구비되고 소정의 급수관 및 배수관을 가진다. 그리고 수면의 일측으로 부상물체 배출구(52)가 설치되며 저면에는 캡(54)이 조립되어 있다.In addition, an underwater separation device 50 is installed behind the vibration separation device 40. The underwater separation device is for finally separating the soft sand contained in the hard shell that has passed through the diaphragm 42, and includes a water tank 52 connected to the diaphragm 42, and has a predetermined water supply pipe and a drain pipe. In addition, a floating object discharge port 52 is installed on one side of the water surface, and a cap 54 is assembled on the bottom surface.

이와 같이 구성되는 본 고안은 다음과 같이 작동된다.The present invention configured as described above operates as follows.

먼저 성숙한 굴을 바다로부터 끌어올려 굴을 채취하고 난 후에 각 매듭단위로 잘려진 코팅사로부터 굴껍질을 제거하고 세척한다.First, the mature oysters are pulled out of the sea to collect the oysters, and then the oyster shells are removed from the coated yarn cut into knots and washed.

이후, 상기 코팅사(1)를 컨베이어(11)에 올리고 절단기(10) 속으로 투입시키면 일정한 길이로 잘게 절단된다. 상기 절단된 코팅사는 아래로 추락하여 컨베이어(18)에 의해서 파쇄기(20)내부로 투입된다. 상기 파쇄기에서는 회전커터와 고정커터에 의해 코팅사가 미세하게 분쇄되면서 연질사(1a)와 경질외피(1b)로 분리되며, 아래로 추락하여 이송스크류(31) 내부로 투입된다.Thereafter, when the coating yarn 1 is put on the conveyor 11 and put into the cutter 10, it is cut finely into a certain length. The cut coating yarn falls down and is fed into the crusher 20 by the conveyor 18. In the crusher, the coated sand is finely pulverized by the rotary cutter and the fixed cutter, and is separated into the soft sand 1a and the hard shell 1b, and falls down and is fed into the transfer screw 31.

그리고 상기 이송스크류의 회전에 따라 후방으로 이동되면서 비중이 적은 연질사는 아래의 진공펌프(37) 흡입력에 의해 하부의 저장조(38)로 유입되며 상기 이송스크류의 후방까지 통과된 경질외피(1b)와 잔재한 연질사(1a)는 후방의 진동분 리장치(40)에 투입된다. 상기 진동분리장치(40)에서는 진동수단의 동작으로 진동되는 진동판이 상기 연질사는 측면을 통해 아래로 추락시키며 비교적 비중이 큰 경질외피는 후방까지 이동시키면서 2차적인 분리작업을 실시한다.And the soft yarn having a low specific gravity as it moves backward as the transfer screw rotates is introduced into the storage tank 38 at the bottom by the suction force of the vacuum pump 37 below, and the hard sheath 1b passed to the rear of the transfer screw and The remaining soft sand (1a) is fed into the rear vibration separation device (40). In the vibration separation device 40, the vibration plate vibrated by the operation of the vibration means falls down through the side of the soft yarn, and the hard shell having a relatively large specific gravity moves to the rear to perform a secondary separation operation.

그리고, 진동판(42)의 후방까지 이동된 경질외피 등은 수중분리장치(50) 내부로 투입되며, 동시에 무게가 무거운 경질외 피(1b)는 수조(52) 바닥에 가라앉게 되고 가벼운 연질사는 수면에 부상하게 된다. 이후 부상물체 배출구(54)를 통해서 수면에 부상한 연질사(1a)를 배출시킨 다음, 수조의 물을 배수한 뒤 캡(56)을 열어 경질외피(1b)를 배출시킨다.And, the hard shell, etc. moved to the rear of the diaphragm 42 are introduced into the underwater separation device 50, and at the same time, the heavy hard shell 1b sinks to the bottom of the water tank 52, and the light soft yarn sleeps. Injured. Thereafter, the soft sand 1a floating on the water surface is discharged through the floating object discharge port 54, and then the water in the tank is drained, and the cap 56 is opened to discharge the hard shell 1b.

이상과 같이 코팅사(1)를 절단 및 분쇄하고 3차에 걸쳐 분리작업을 실시하게 되면서 완벽하게 분리된 연질사와 경질외피는 다른용도로 재활용할 수 있게 된다.As described above, as the coating yarn 1 is cut and pulverized and separated three times, the completely separated soft yarn and hard sheath can be recycled for other purposes.

1: 코팅사 1a: 연질사
1b:경질외피 10: 절단기
14,16: 회전커터 20: 파쇄기
24: 회전커터 28,29: 고정커터
30: 스크류 분리장치 31: 이송스크류
37: 진공펌프 38: 저장조
40: 진동분리장치 42: 진동판
46: 안내통로 50: 수중분리장치
52: 수조1: coated yarn 1a: soft yarn
1b: hard shell 10: cutter
14,16: rotary cutter 20: shredder
24: rotary cutter 28, 29: fixed cutter
30: screw separation device 31: transfer screw
37: vacuum pump 38: storage tank
40: vibration separation device 42: vibration plate
46: guide passage 50: underwater separation device
52: water tank

Claims (1)

수거된 코팅사를 일정한 길이로 절단하기 위한 절단기(10)와, 상기 절단된 코팅사를 미세하게 분쇄하기 위해 소정의 고정커터와 회전커터로 구성되는 파쇄기(20)와, 상기 파쇄기 아래에 이송스크류가 설치되며 그 아래에 걸름망체가 구비되고 안내판을 따라 하부에 저장조를 가지는 스크류 분리장치(30)와, 상기 이송스크류(31) 후방으로 설치되며 진동수단을 가진 진동판(42)으로 구성되는 진동분리장치(40)와, 상기 진동분리장치 후방으로 설치되며 상부의 부상물체 배출구(54)와 하부의 캡(56)으로 구성되는 수중분리장치(50)로 구성됨을 특징으로 하는 폐 광케이블, 폐전선, 폐코팅사, 폐어망 처리장치A cutter 10 for cutting the collected coated yarn into a certain length, a crusher 20 composed of a predetermined fixed cutter and a rotary cutter to finely pulverize the cut coated yarn, and a transfer screw under the crusher A vibration separation device consisting of a screw separation device 30 that is installed and has a filter mesh under it and has a storage tank at the bottom along the guide plate, and a vibration plate 42 installed behind the transfer screw 31 and having a vibration means. (40) And, a waste optical cable, characterized in that it is installed to the rear of the vibration separation device, and is composed of an underwater separation device (50) consisting of an upper floating object discharge port (54) and a lower cap (56). Coating yarn, waste fishing net treatment device
KR1020190019584A 2019-02-20 2019-02-20 apparatus of treatment coating thread for oysterfarming KR20200101580A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113120178A (en) * 2021-05-13 2021-07-16 昆明理工大学 Equipment and method for treating waste materials of marine fishing boat
CN113786898A (en) * 2021-09-18 2021-12-14 何群星 Tombarthite is with high-efficient grinding screening installation
CN117123121A (en) * 2023-08-29 2023-11-28 安徽衡光新材料科技有限公司 Oily alkyd paint processing method and processing equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113120178A (en) * 2021-05-13 2021-07-16 昆明理工大学 Equipment and method for treating waste materials of marine fishing boat
CN113786898A (en) * 2021-09-18 2021-12-14 何群星 Tombarthite is with high-efficient grinding screening installation
CN117123121A (en) * 2023-08-29 2023-11-28 安徽衡光新材料科技有限公司 Oily alkyd paint processing method and processing equipment
CN117123121B (en) * 2023-08-29 2024-04-30 安徽恒和新材料有限公司 Oily alkyd paint processing method and processing equipment

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