KR102645087B1 - Washing and water handling system for fresh green tea leaves - Google Patents

Washing and water handling system for fresh green tea leaves Download PDF

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KR102645087B1
KR102645087B1 KR1020210057419A KR20210057419A KR102645087B1 KR 102645087 B1 KR102645087 B1 KR 102645087B1 KR 1020210057419 A KR1020210057419 A KR 1020210057419A KR 20210057419 A KR20210057419 A KR 20210057419A KR 102645087 B1 KR102645087 B1 KR 102645087B1
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washing
water
leaves
fresh
fresh leaves
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KR20220150107A (en
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김종균
김현수
이주원
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주식회사 농업회사법인동천
김종균
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00Tea; Tea substitutes; Preparations thereof
    • A23F3/06Treating tea before extraction; Preparations produced thereby
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/02Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for washing or blanching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/041Cleaning travelling work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/044Cleaning involving contact with liquid using agitated containers in which the liquid and articles or material are placed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B08B3/123Cleaning travelling work, e.g. webs, articles on a conveyor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/14Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • B08B5/023Cleaning travelling work
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Tea And Coffee (AREA)

Abstract

본 발명은 제다공정의 원료인 차 생엽의 세척 및 물관리 시스템에 관한 것이다. 보다 상세하게는 차 생엽을 에어세척, 물을 이용한 와류세척 및 노즐분사세척 등을 통하여 차 생엽에 부착된 먼지, 이물, 벌레 등을 제거하고 미생물을 저감시켜 차 생엽의 품질향상과 제수된 세척수를 재사용하여 생산비용 절감 및 환경보호를 위한 차 생엽의 세척 및 물관리 시스템에 관한 것이다. The present invention relates to a system for washing and water management of fresh tea leaves, which are raw materials for the Jeddah process. More specifically, through air washing, vortex washing using water, and nozzle spray washing, dust, foreign substances, and insects attached to the fresh tea leaves are removed and microorganisms are reduced to improve the quality of the fresh tea leaves and the collected washing water. This is about a cleaning and water management system for fresh tea leaves to reduce production costs and protect the environment by reusing them.

Description

차 생엽의 세척 및 물관리 시스템 {Washing and water handling system for fresh green tea leaves}Washing and water handling system for fresh green tea leaves}

본 발명은 차 생엽(차잎)의 세척 및 물관리 시스템에 관한 것이다. 차를 만드는 제다(製茶) 과정에서 차 생엽을 위생적이고 안전하게 관리하고자, 차나무로부터 채엽한 생엽에 부착된 먼지, 이물, 벌레 등을 제거하고 미생물을 저감시킬 필요가 있다. 이를 위한 주된 수단으로 물을 사용하여 생엽을 와류 세척한 후, 제수 및 탈수하여 생엽은 다음 제다공정으로 보내고, 세척수는 여과하여 생엽의 와류 세척장치로 보내 재사용하는 물관리 시스템이다.The present invention relates to a system for washing and water management of fresh tea leaves. In order to manage fresh tea leaves hygienically and safely during the tea making process, it is necessary to remove dust, foreign substances, insects, etc. attached to fresh leaves collected from tea trees and reduce microorganisms. The main means for this is a water management system that uses water to vortex wash fresh leaves, dewater and dehydrate them, send the fresh leaves to the next washing process, and filter the washing water and send it to the fresh leaf vortex washing device for reuse.

본 명세서에서 달리 표시되지 않는 한, 이 섹션에 설명되는 내용들은 이 출원의 청구항들에 대한 종래 기술이 아니며, 이 섹션에 포함된다고 하여 종래 기술이라고 인정되는 것은 아니다.Unless otherwise indicated herein, the material described in this section is not prior art to the claims of this application, and is not admitted to be prior art by inclusion in this section.

본 발명은 차의 생엽에 부착 또는 혼입된 이물질을 제거하여 소비자에게 위생적이고 안전성이 확보된 차 제품을 제공하는 데 그 목적이 있다. 녹차는 차나무에서 생엽을 채엽하여 일련의 제다과정을 거쳐 만들어 진다. 차를 대량으로 생산하는 공장형 녹차의 제다는 채엽 후 증자, 조유, 유념, 중유, 건조, 선별 등의 과정을 거쳐서 차생산이 이루어지는 데, 제다과정 중의 이물질을 제거하는 세척과정이 따로 포함되어 있지 않다. 그 이유는 증자과정을 거치기 때문에 통상적으로 별도의 세척과정이 불필요하다고 간주하고 있기 때문이다. 그러나, 녹차의 생엽은 다원에서 재배되는 동안 먼지가 차엽에 붙게 되고 채엽과 운반 중 벌레나 흙 등의 이물이 혼입될 가능성이 높다. 물론, 증자과정에서 세척이 되기는 하나 제다과정 전(前)단계에서 원료인 생엽를 물로 세척하는 것이 생엽의 안전성을 확보할 수 있는 확실한 방법이다. 그러나 생엽을 물로 세척한 후, 제수 및 탈수과정이 없을 경우 엽을 이동시키기 어려우며, 또한 엽이 젖은 상태가 되어 후속 제다 시간이 길어지고 가공 비용이 높아질 뿐만 아니라 차의 품질이 떨어지게 된다. 한편, 제수후 세척수를 그대로 버리고 재사용이 하지 않으면 물의 낭비가 심하여 생산비용이 증가되며, 환경오염의 우려도 커지게 된다. The purpose of the present invention is to provide consumers with hygienic and safe tea products by removing foreign substances attached to or mixed with fresh tea leaves. Green tea is made by picking fresh leaves from the tea tree and going through a series of tea making processes. Factory-type green tea production that produces tea in large quantities is made through a process of steaming, crude oil, fermentation, heavy oil, drying, and sorting after picking, and does not include a separate washing process to remove foreign substances during the tea making process. . The reason is that since it goes through a steaming process, a separate washing process is generally considered unnecessary. However, while raw green tea leaves are cultivated in tea gardens, dust adheres to them, and there is a high possibility that foreign substances such as insects or dirt may be mixed in during leaf picking and transportation. Of course, it is washed during the steaming process, but washing the raw leaves with water before the steaming process is a sure way to ensure the safety of the raw leaves. However, after washing the raw leaves with water, if there is no water washing and dehydration process, it is difficult to move the leaves, and the leaves become wet, which not only increases the subsequent washing time and increases the processing cost, but also reduces the quality of the tea. On the other hand, if the washing water is discarded and not reused, water is greatly wasted, production costs increase, and concerns about environmental pollution also increase.

농산물의 세척과 물관리에 관한 선행 기술로는 대한민국 공개특허 제10-2007-0103324호 (출원번호 10-2007-0083575호, 세척 농산물 건조 탈수기)에 관한 것으로 건조탈수실, 흡입구, 입구부, 컨베이어가이드, 차압부, 가압부, 차압팬, 가압팬, 격벽, 타공컨베이어가 구비된다. 대한민국 등록특허 10-0400819(출원번호 10-2001-0057212호, 곡물탈수기 및 그 곡물탈수기를 갖는 곡물세척장치) 투입구를 갖는 공급관과, 투출구를 갖는 배출관과, 공급관과 상기 배출관에 연결되어 회전되는 타공망과, 타공망을 회전시키는 제1구동모터와, 타공망의 주위를 감싸고 흡기관을 갖는 하우징과, 흡기관에 연결된 흡기팬과, 공급관 및 배출관에 지지되어 회전되고 외주면에 이송스크류 및 분사공이 형성된 급기관과, 급기관 내에서 공급관 내로 분사되는 분사노즐을 가진 급수관과, 급기관 및 급수관을 회전시키는 제 2구동모터로 이루어진다. 그러나 이들 종래기술은 대상 농산물 원료가 곡물로서 서로 다르고 기술적구성이 본 발명과는 다른 것이다. 또한 일본 데라다사의 일본 등록특허 5776087 (등록일 015.7.17. 차엽급엽겸 예비세정기), 일본 등록특허 5802927 (등록일 2015.9.11. 원심탈수기) 는 처리 대상의 원료는 차 생엽으로 본 발명과 같으나, 일본의 가고시마현 화산지대에서 재배하는 녹차의 생엽에 내려 앉는 화산재를 세척하기 위한 것으로서 세척의 목적이 다르고 세척 설비의 구조가 다른 것이다. 일본 특허의 세척 대상원료는 화산재가 진득하게 붙어 있는 생엽으로 비중이 가벼워 물위에 뜨기 때문에 이를 해결하기 위한 생엽의 투입방법이나 설비의 구조 및 세척조건 등이 본 발명과 상이함을 알 수 있었다. 또한, 제수 및 탈수장치에 관한 종래기술에는 이미 공지된 회분식 원심탈수장치로서 기술적 구성이 탈수와 엽 배출의 장치구조 및 원리를 상술하고 있으나, 본 발명의 탈수와 엽 배출 방식 및 장치의 구조가 상이하다.Prior technology related to washing and water management of agricultural products relates to Korean Patent Publication No. 10-2007-0103324 (Application No. 10-2007-0083575, drying dehydrator for washed agricultural products), which includes a drying dehydration room, suction port, inlet, and conveyor. A guide, differential pressure unit, pressurization unit, differential pressure fan, pressurization fan, partition wall, and perforated conveyor are provided. Republic of Korea Patent No. 10-0400819 (Application No. 10-2001-0057212, grain dehydrator and grain washing device having the grain dehydrator) a supply pipe having an inlet, a discharge pipe having an outlet, and a device connected to the supply pipe and the discharge pipe and rotating. A perforated network, a first driving motor that rotates the perforated network, a housing surrounding the perforated network and having an intake pipe, an intake fan connected to the intake pipe, and an air supply pipe that is supported and rotated by the supply pipe and the discharge pipe and has a transfer screw and a spray hole formed on the outer peripheral surface. It consists of a water supply pipe with a spray nozzle that sprays water from the supply pipe into the supply pipe, and a second drive motor that rotates the supply pipe and the water supply pipe. However, these prior technologies differ from each other in that the target agricultural raw materials are grains, and their technical composition is different from the present invention. In addition, Japanese registered patent 5776087 (registration date 015.7.17. Tea leaf feeder and pre-cleaner) and Japanese registered patent 5802927 (registration date 2015.9.11. centrifugal dehydrator) of Terada Co., Ltd. are the same as the present invention in that the raw material to be processed is fresh tea leaves, but Japanese patent It is used to wash volcanic ash that settles on the fresh leaves of green tea grown in the volcanic area of Kagoshima Prefecture, and the purpose of washing is different and the structure of the washing equipment is different. The raw material subject to washing in the Japanese patent is fresh leaves with volcanic ash attached thickly, and has a light specific gravity so that it floats on water. Therefore, it was found that the method of adding fresh leaves, the structure of equipment, and washing conditions to solve this problem are different from those of the present invention. In addition, in the prior art regarding water dehydration and dehydration devices, the technical configuration of the batch-type centrifugal dehydration device, which is already known, details the device structure and principle of dehydration and leaf discharge, but the dehydration and leaf discharge method and device structure of the present invention are different. do.

1. 한국 특허공개 제10-2007-0103324호(2007.10.23 공개)1. Korean Patent Publication No. 10-2007-0103324 (published on October 23, 2007) 2. 한국 특허등록 제10-0400819호(2003.10.17 공고)2. Korean Patent Registration No. 10-0400819 (announced on October 17, 2003) 3. 일본 특허등록 제5776087호(2015.07.17 등록)3. Japanese Patent Registration No. 5776087 (registered on July 17, 2015) 4. 일본 특허등록 제5802927호(2015.09.11 등록)4. Japanese Patent Registration No. 5802927 (registered on September 11, 2015)

녹차는 다원에서 재배되는 동안 생엽에 먼지나 공해물질과 미생물이 부착되고, 채엽과 운반과정에서 벌레나 흙 등의 이물이 혼입될 수 있다. 따라서 소비자에게 위생적이며 안전한 차 제품을 제공하기 위하여 차엽 생엽에 알맞는 세척방법을 찾고, 또한, 세척을 하므로써 발생하는 다음 공정 작업의 어려움과 물의 낭비를 줄이기 위하여 사용한 세척수의 제수 및 회수방법을 제시하고자 하였다. 본 발명에서는 차 생엽의 세척과 처리수를 회수하는 물관리 시스템을 제다과정에 도입하여 위생상 안전과 친환경적인 개선효과를 얻고자 한다.While green tea is grown in tea gardens, dust, pollutants, and microorganisms may attach to the raw leaves, and foreign substances such as bugs and dirt may be mixed in during the leaf picking and transportation process. Therefore, in order to provide hygienic and safe tea products to consumers, we would like to find a washing method suitable for fresh tea leaves, and also propose a method for discharging and recovering the used washing water to reduce the difficulty of the next process and the waste of water caused by washing. did. In the present invention, a water management system for washing fresh tea leaves and recovering treated water is introduced into the Jeddah process to improve hygienic safety and eco-friendliness.

또한, 상술한 바와 같은 기술적 과제들로 한정되지 않으며, 이하의 설명으로부터 또 다른 기술적 과제가 도출될 수도 있음은 자명하다.In addition, it is not limited to the technical challenges described above, and it is obvious that other technical challenges may be derived from the description below.

본 발명은 차 생엽의 세척과 제수 및 처리수를 회수하는 물관리 시스템을 제다과정의 시작단계에서 도입하여 실험하였던 바, 효과적인 생엽의 새로운 세척과 물관리 시스템을 완성하게 되었다. 보다 상세하게는 제다 과정 초기에 채엽된 차 생엽에 부착된 먼지, 이물, 벌레 등을 제거하고 미생물을 저감시켜 위생적이고, 안전성을 높히기 위하여 에어분사, 와류세척, 정수세척을 하고, 사용한 세척수의 제수후 이물질 제거 및 세척수 회수와 탈수하는 공정에 필요한 차 생엽의 세척 및 물관리 시스템에 관한 것이다. 본 발명은 생엽의 채엽과 세척, 증자, 조유, 유념, 증유, 선별, 황차로 이루어진 일반적인 제다공정에 있어서, 생엽을 에어분사, 와류세척, 정수세척을 한 다음 제수하고 세척수를 회수하는 도 1의 공정도와 같은 생엽의 세척 및 물관리 시스템을 제공하는 것이다. In the present invention, a water management system for washing fresh tea leaves, making water, and recovering treated water was introduced and tested at the beginning of the tea making process, and a new effective washing and water management system for fresh tea leaves was completed. More specifically, at the beginning of the tea making process, dust, foreign substances, insects, etc. attached to the fresh tea leaves are removed and microorganisms are reduced to improve hygiene and safety. In order to improve hygiene and safety, air blowing, vortex washing, and purified water washing are performed, and the used washing water is drained. It relates to a system for washing and water management of fresh tea leaves required for the process of removing foreign substances and recovering and dehydrating washing water. The present invention is a general tea making process consisting of picking fresh leaves, washing, steaming, crude oil, keeping, steaming, sorting, and yellow tea, and the raw leaves are sprayed with air, vortex washed, and washed with purified water, and then dried and the washed water is recovered. The purpose is to provide a cleaning and water management system for fresh leaves as outlined in the process.

도 1의 공정도와 같이 본 발명에서는 채엽한 차의 생엽에 혼입된 이물질 등을 저감시키기 위하여 세척공정을 제다과정의 앞 단계에 도입하였다. 채엽한 생엽은 크기나 모양이 불균일하고, 생엽에 부착된 이물질의 형태나 종류별로 특성이 다르므로 먼저 생엽을 절단 하고 다양한 세척방법을 사용하여 이물질을 저감한다. 먼저, 생엽공급 단계에서 상승 컨베이어상에 부착된 절단장치를 사용하여 생엽 모양을 균일하게 절단하고, 에어를 분사하는 건식 세척방법과 와류를 형성하는 수조에 담가서 물세척을 하는 방식 및 상부에서 정수를 노즐로 살수하여 세척하는 방식 등 세척방법을 다양하게 적용시킨다. 사용한 세척수와 세척한 생엽의 물기를 경사 설치한 타공 진동 컨베이어 상에서 일차 분리한 다음, 세척수는 여과하여 보조수조에 회수했다가 생엽을 세척 하는 와류 세척장치로 보내 재사용하며, 최종적으로 회전 원심분리를 거쳐 탈수한 생엽을 증자 등 이후의 후속 제다과정으로 이송하는 시스템을 도입하여 해결한다.As shown in the process diagram of FIG. 1, in the present invention, a washing process was introduced at the previous stage of the tea making process in order to reduce foreign substances mixed in the fresh leaves of the picked tea. Since harvested fresh leaves are non-uniform in size and shape, and the characteristics of the foreign matter attached to the fresh leaves are different depending on the type or type, the fresh leaves are first cut and various washing methods are used to reduce the foreign matter. First, in the fresh leaf supply stage, the shape of the fresh leaves is cut uniformly using a cutting device attached to the rising conveyor, and a dry cleaning method of spraying air, a water washing method by immersing in a water tank forming a vortex, and purified water at the top are used. Various cleaning methods are applied, such as cleaning by spraying water with a nozzle. The used washing water and the moisture of the washed fresh leaves are first separated on a perforated vibrating conveyor installed at an angle, then the washing water is filtered and recovered in an auxiliary water tank, then sent to a vortex washing device for washing fresh leaves, and reused. Finally, it is subjected to rotational centrifugation. This problem is solved by introducing a system that transports the dehydrated fresh leaves to the subsequent tea making process such as steaming.

본 발명에 따르면, 본 발명은 일반적인 차의 제다과정에 없는 세척 및 제수과정을 채택하여 차의 생엽에 부착 및 혼입된 이물질을 제거하여 차엽을 위생적이고 안전하게 전처리하므로써 우수한 품질의 녹차를 제공할 수 있다. 그리고 세척수를 재사용하여 물사용량을 절감할 수 있으므로 경제적이고 친환경적이다. 또한 본 발명의 깨끗한 차엽은 증자과정 이후에 제다를 원활하게 해주고 품질을 향상시킬 수 있는 획기적이고 독창적인 제다 전처리 방법을 제공한다. According to the present invention, the present invention adopts a washing and watering process that is not in the general tea making process, removes foreign substances attached to and mixed with the raw tea leaves, and preprocesses the tea leaves hygienically and safely, thereby providing green tea of excellent quality. . Additionally, it is economical and environmentally friendly because water usage can be reduced by reusing the washing water. In addition, the clean tea leaves of the present invention provide an innovative and original pre-processing method for smooth tea making and improved quality after the steaming process.

본 발명의 효과는 상기한 효과로 한정되는 것은 아니며, 본 발명의 상세한 설명 또는 특허청구범위에 기재된 발명의 구성으로부터 추론 가능한 모든 효과를 포함하는 것으로 이해되어야 한다.The effects of the present invention are not limited to the effects described above, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

도 1은 일반적인 제다과정에 있어서, 본 발명의 세척 및 물관리 시스템이 적용되는 단계의 위치를 나타내고 있다.
도 2는 본 발명의 세척 및 물관리 시스템이 어떠한 내용으로 구성 및 연결되어 있는지 세부적으로 설명하고 있다.
도 3은 본 발명의 세척 및 물관리 시스템이 생산현장에 사용하는 설비의 형태로서 세척 및 물관리 시스템 배치도이다.
도 4는 타공 진공 컨베이어를 거친후 분리된 이물질을 나타낸 사진이다.
도 5는 생엽 세척전, 후의 부착된 먼지류의 확인한 사진이다.
Figure 1 shows the locations of steps in which the cleaning and water management system of the present invention is applied in a general Jeddah process.
Figure 2 explains in detail how the cleaning and water management system of the present invention is structured and connected.
Figure 3 is a layout diagram of the cleaning and water management system of the present invention as a type of equipment used in production sites.
Figure 4 is a photograph showing foreign matter separated after passing through a perforated vacuum conveyor.
Figure 5 is a photo confirming the attached dust before and after washing fresh leaves.

이하, 첨부된 도면을 참조하여 바람직한 실시예에 따라 구성, 동작 및 작용효과에 대하여 살펴본다. 참고로, 이하 도면에서, 각 구성요소는 편의 및 명확성을 위하여 생략되거나 개략적으로 도시되었으며, 각 구성요소의 크기는 실제 크기를 반영하는 것은 아니다. 또한, 명세서 전체에 걸쳐 동일 참조 부호는 동일 구성요소를 지칭하며 개별 도면에서 동일 구성에 대한 도면 부호는 생략하기로 한다.Hereinafter, the configuration, operation, and effects will be examined according to the preferred embodiment with reference to the attached drawings. For reference, in the drawings below, each component is omitted or schematically shown for convenience and clarity, and the size of each component does not reflect the actual size. In addition, the same reference numerals refer to the same components throughout the specification, and reference numerals for the same components in individual drawings will be omitted.

본 발명의 차 생엽의 세척 및 물관리 시스템은 도 1과 같이 일반적인 제다과정 중에서 제일 앞 부분에 적용하도록 구성되어 있다. 또한, 본 발명의 세척 및 물관리 시스템은 도 2와 같이 세부적으로 제 1단계 내지 제 6단계의 공정으로 구성되어 있다. 제 1단계는 생엽공급 부분으로 상승 컨베이어상에 절단기, 에어샤워기, 1차 노즐분무 세척기로 이루어져 있다. 제 2단계는 생엽을 물로 세척하는 과정으로 하부에 와류를 생성시키는 노즐이 달린 수조형태의 와류 세척장치이다. 제 3단계는 타공 진공 컨베이어로서 세척된 생엽과 사용된 세척수를 분리하는 과정이다. 제 4단계는 탈수장치에 일괄투입하기 위하여 세척된 엽을 일정량 모아주고 이송하면서 다시 노즐분무기로 한번 더 세척하는 과정이다. 제 5단계는 탈수장치에 일정량 모아진 생엽을 투입하여 탈수하는 원심회전 탈수장치로 구성되어 있다. 제 6단계는 차엽을 다음 제다과정인 증자공정으로 이송하는 진동 컨베이어이다. 진동으로 컨베이어가 구성된 이유는 생엽표면에 물이 젖어 있을 경우 이송을 어렵게 하기 때문이다.The tea leaf washing and water management system of the present invention is configured to be applied to the very first part of the general tea making process, as shown in FIG. 1. In addition, the cleaning and water management system of the present invention is composed of the first to sixth steps in detail as shown in FIG. 2. The first stage is the fresh leaf supply section and consists of a cutter, air shower, and primary nozzle spray cleaner on an ascending conveyor. The second stage is a process of washing fresh leaves with water, and is a water tank-type vortex cleaning device with a nozzle that creates vortices at the bottom. The third step is a perforated vacuum conveyor that separates the washed fresh leaves from the used washing water. The fourth step is the process of collecting and transporting a certain amount of washed leaves for batch input into the dehydration device and washing them again with a nozzle sprayer. The fifth stage consists of a centrifugal dehydration device that dehydrates a certain amount of collected fresh leaves by putting them into the dehydration device. The sixth stage is a vibrating conveyor that transports the tea leaves to the next making process, the steaming process. The reason why the conveyor is configured to vibrate is because it makes transportation difficult when the surface of fresh leaves is wet.

[실시예][Example]

본 발명의 세척 및 물관리 시스템 배치도(도 3)로서, 도면 부호1; 절단기/ 에어샤워기/호퍼/ 상승 컨베이어, 도면 부호2; 노즐 샤워장치, 도면 부호3; 와류 세척장치, 도면 부호4; 타공 진동 컨베이어, 도면 부호5; 이물질 제거장치, 도면 부호6; 보조수조, 도면 부호7; 매쉬버켓 컨베이어 및 정수분사 장치, 도면 부호8; 매쉬 컨베이어, 도면 부호9; 정역매쉬 컨베이어, 도면 부호10; 탈수기, 도면 부호11; 진동 컨베이어 1, 도면 부호12; 진동 컨베이어 2로 구성되어 있다. 도3과 같이 시간당 450kg을 처리할 수 있도록 제작된 일련의 시스템을 활용하여 차 생엽의 세척 제수를 실시하였다. 절단된 생엽을 ① 시간당 450kg의 속도로 투입하여 호퍼 컨베이어 벨트에 공급하고 에어샤워를 거쳐 이물을 제거한다. ② 노즐 분무장치에서 세척수를 분사하여 예비세정을 하고 ③ 와류 세척장치 수조로 투입한다. 수조 하부 좌우에 배치되어 있는 분사노즐에 의해 수조내의 세척수가 와류가 발생하며 생엽의 침강과 세척을 도모하고 생엽은 물속에서 회전하면서 앞으로 진행하게 된다. 사용된 세척수와 생엽은 ④ 타공 진동 컨베이어로 이동이 되어 세척수는 타공판 하부로 이물과 함께 배출되며 ⑤의 이물질 제거 컨베이어를 통과시키면 세척수에 섞인 이물질을 걸려서 수조 밖으로 배출시킨다. 필터링 된 세척수는 ⑥ 보조수조로 이동하여 다시 ③와류세척기로 순환하여 재사용하게 된다. 세척된 생엽은 ⑦메쉬 버켓 컨베이어에 의해 상승하면서 다시 노즐분무 세척과 제수를 하고 ⑧탈수기 투입용 메쉬 컨베이어와 ⑨정역 메쉬 컨베이어로 전달된다. 이곳에서 약 12kg의 세척된 생엽이 모이면 ⑧ 메쉬 컨베이어에서 생엽을 35초에 걸쳐 이동시켜 ⑩ 원심회전 탈수장치에 투입한다. 탈수기 상부를 닫은 후, 45초간 600rpm에서 고속 회전탈수 시킨다. 탈수가 끝난 후, 탈수드럼의 하부커버를 아래로 내려 10초간 개방하여 생엽을 배출시킨다. 배출이 끝나면, 하부커버를 상승시켜 닫아 탈수드럼을 저속회전하면서 다시 다음 번 생엽을 받을 준비를 하도록 한다. 탈수가 끝나 배출된 생엽의 중량은 약 9kg이 되며, 이것이 탈수장치 하부에 배치된 ⑪⑫진동 컨베이어로 전달되고 다음 제다과정인 증자장치로 이송된다. 생엽의 세척과 제수, 처리수 회수 및 생엽의 이동은 반복되어 연속적으로 일어나도록 시스템이 구성되어 있다.A layout diagram of the cleaning and water management system of the present invention (FIG. 3), reference numeral 1; Cutting machine/air shower/hopper/elevating conveyor, drawing number 2; Nozzle shower device, reference number 3; Vortex cleaning device, reference numeral 4; Perforated vibrating conveyor, reference number 5; Foreign matter removal device, reference numeral 6; Auxiliary tank, drawing number 7; Mash bucket conveyor and purified water spray device, reference number 8; Mesh conveyor, reference number 9; Forward/reverse mesh conveyor, reference numeral 10; Dehydrator, reference numeral 11; Vibrating conveyor 1, reference number 12; It consists of vibrating conveyor 2. As shown in Figure 3, fresh tea leaves were washed and dewatered using a series of systems designed to process 450 kg per hour. Cut fresh leaves are fed at a rate of ① 450 kg per hour to the hopper conveyor belt and then removed through an air shower to remove foreign substances. ② Spray washing water from the nozzle spray device for preliminary cleaning. ③ Put it into the vortex washing device water tank. The spray nozzles located on the left and right sides of the bottom of the water tank generate eddy currents in the washing water in the water tank, which helps the fresh leaves settle and wash, and the fresh leaves move forward while rotating in the water. The used washing water and fresh leaves are moved to the perforated vibrating conveyor ④, and the washing water is discharged along with foreign substances through the lower part of the perforated plate. When it passes through the foreign matter removal conveyor in ⑤, foreign substances mixed in the washing water are caught and discharged out of the water tank. The filtered washing water moves to ⑥ auxiliary water tank and is circulated back to ③ vortex washer for reuse. The washed fresh leaves are lifted up by the ⑦mesh bucket conveyor, cleaned by nozzle spray again and dewatered, and then delivered to the ⑧mesh conveyor for dehydrator input and ⑨forward and reverse mesh conveyor. When about 12 kg of washed fresh leaves are collected here, the raw leaves are moved on the ⑧ mesh conveyor over 35 seconds and put into the ⑩ centrifugal dehydration device. After closing the top of the dehydrator, spin dehydrate at high speed at 600 rpm for 45 seconds. After dehydration is complete, lower the lower cover of the dehydration drum and open it for 10 seconds to discharge the fresh leaves. Once discharging is complete, raise and close the lower cover and rotate the dehydration drum at low speed to prepare to receive the next fresh leaf. The weight of the fresh leaves discharged after dehydration is about 9 kg is transferred to the ⑪⑫ vibration conveyor placed at the bottom of the dehydration device and then to the steaming device, which is the next dehydration process. The system is structured so that washing and watering of fresh leaves, recovery of treated water, and movement of fresh leaves occur repeatedly and continuously.

[시험예][Test example]

본 발명의 채엽의 세척과정에 대한 이물질 제거 효과를 확인하기 위하여 아래와 같이 시험을 실시하였다. 여기에서 이물질이란 줄기나 규격미달의 엽 또는 기타 혼입물까지 포함된 이물을 말한다. 초기 생엽의 투입된 중량을 측정하고, 본 발명의 시스템인 상기 실시예 ④⑤의 이물질 제거장치에서 분리된 수거된 이물질(도 4; 타공 진공 컨베이어를 거친후 분리된 이물질 사진1)의 중량을 측정하여 실제 이물질 제거되는 비율을 표 1에 나타내었다. In order to confirm the effect of removing foreign substances in the cleaning process of the leaves of the present invention, the test was conducted as follows. Here, foreign matter refers to foreign matter including stems, substandard leaves, or other contamination. The weight of the initial fresh leaves was measured, and the weight of the collected foreign matter (Figure 4; Photo 1 of the separated foreign matter after passing through the perforated vacuum conveyor) separated from the foreign matter removal device of Example ④⑤, which is the system of the present invention, was measured and the actual weight was measured. The rate at which foreign substances are removed is shown in Table 1.

생엽 투입량과 타공 진공 컨베이어에서 분리Separate fresh leaf input from perforated vacuum conveyor 실험Experiment 생엽투입량(kg/h)Fresh leaf input (kg/h) 제거이물량(kg/h)Amount of foreign matter removed (kg/h) 이물제거율(%)Foreign matter removal rate (%) 1차Primary 461461 10.410.4 2.262.26 2차Secondary 452452 9.49.4 2.082.08 3차3rd 440440 10.710.7 2.422.42 4차4th 466466 10.310.3 2.212.21 평균average 455455 10.210.2 2.242.24

표 1에서 4회의 실험결과에서 알 수 있는 바와 같이 차 생엽 455kg을 투입하여 10.2kg의 이물을 제거하였다. 이물제거율 2.24%를 나타내는 것을 알 수 있다. 차 생엽을 세척하여 제다를 하면 보다 위생상 안전한 차를 소비자에게 제공할 수 있으므로 생엽의 세척은 위생상 중요한 과정임을 알 수 있다. As can be seen from the results of four experiments in Table 1, 455 kg of fresh tea leaves were added and 10.2 kg of foreign substances were removed. It can be seen that the foreign matter removal rate is 2.24%. It can be seen that washing raw tea leaves is an important hygienic process because it is possible to provide consumers with more hygienically safe tea by washing and purifying fresh tea leaves.

[비교예 1][Comparative Example 1]

상기 시험예와 달리 실제로 차엽에 붙은 먼지와 같이 크기가 작은 이물질의 제거 및 세척의 효과를 확인할 필요가 있으므로 이에 대한 세척 전후의 비교실험을 실시하였다. 상기 시험예의 ①을 거친 생엽과 탈수전 ⑨에 모여진 세척된 생엽을 다시 물로 씻어내고 그 물을 여과지로 걸러 먼지 중량을 측정하여 실제 작은 이물질이 저감되는 효과를 확인하였으며, 이를 표 2와 도 5에 나타내었다. 표 2에 나타난 바와 같이 초기 생엽 대비 약 88%가 감소되는 것을 알 수 있다.Unlike the test example above, it was necessary to confirm the effectiveness of removal and washing of small-sized foreign substances such as dust actually attached to tea leaves, so a comparative experiment before and after washing was conducted. The fresh leaves that went through ① of the above test example and the washed fresh leaves collected in ⑨ before dehydration were washed again with water, the water was filtered through filter paper, and the weight of dust was measured to confirm the effect of reducing actual small foreign substances. This is shown in Table 2 and Figure 5. indicated. As shown in Table 2, it can be seen that it is reduced by about 88% compared to the initial leaves.

부착된 먼지류 이물질의 상태 비교 Comparison of the status of attached dust and foreign substances 시료sample 이물중량(ppm)Foreign matter weight (ppm) 비고note 생엽fresh leaves 78.878.8 생엽대비 약 88%감소Approximately 88% reduction compared to fresh leaves 세척후 생엽Fresh leaves after washing 9.89.8

상기의 실험에서 알 수 있듯이 생엽의 크기가 작은 이물에 대해 세척후 88%가 감소되는 것을 알 수 있다. 따라서 차 생엽을 제다하기 전에 세척하는 것이 중요하다는 것을 확인할 수 있다.As can be seen from the above experiment, it can be seen that small foreign substances in raw leaves are reduced by 88% after washing. Therefore, we can confirm that it is important to wash fresh tea leaves before harvesting them.

[비교예2][Comparative Example 2]

미생물 저감 효과를 보기 위하여, 상기 실시예와 같은 방법으로 실제 세척, 제수처리한 엽의 경우와 미처리한 실험구에 잔존하는 일반세균수(총균수)를 측정하여 세척 전후의 효과를 표3에 비교하였다. 표 3에 나타난바와 같이 일반세균이 1/30으로 감소되는 것을 알 수 있다.In order to see the effect of reducing microorganisms, the number of general bacteria (total number of bacteria) remaining in the actual washed and dewatered leaves and the untreated test section were measured in the same manner as in the above example, and the effects before and after washing were compared in Table 3. did. As shown in Table 3, it can be seen that the number of general bacteria is reduced to 1/30.

생엽 세척전후의 일반세균수 비교 Comparison of general bacterial counts before and after washing fresh leaves 생엽fresh leaves 일반세균수(cfu)General bacterial count (cfu) 초기균수Initial bacterial count 4.5×106 4.5×10 6 세척 및 탈수 후After washing and dehydrating 1.5×105 1.5×10 5 감소비율reduction rate 1/301/30

상기의 실험결과에서 알 수 있듯이 생엽의 초기균수가 세척 및 탈수후에 1/30로 감소하는 것으로 나타나므로 차 생엽의 세척이 위생상 중요함을 알 수 있다.As can be seen from the above experimental results, the initial bacterial count of fresh tea leaves was reduced to 1/30 after washing and dehydration, showing that washing fresh tea leaves is important for hygiene.

이상 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명하였지만, 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형예들이 있을 수 있음을 이해하여야 한다. 그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것이며 한정적인 것이 아닌 것으로서 이해되어야 하고, 본 발명의 범위는 상세한 설명보다는 후술하는 특허청구범위에 의하여 나타내어지며, 특허청구범위의 의미 및 범위 그리고 그 등가 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.Although preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the embodiments described in this specification and the configuration shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention. Since this is not the case, it should be understood that there may be various equivalents and modifications that can replace them at the time of filing this application. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the claims described later rather than the detailed description, and the meaning and scope of the claims and their All changes or modified forms derived from the equivalent concept should be construed as falling within the scope of the present invention.

본 발명은 제다과정에 세척 및 제수과정을 채택하여 차의 생엽에 부착 및 혼입된 이물질을 제거하여 차엽을 위생적이고 안전하여 우수한 품질의 녹차를 제공할 수 있다. 그리고 세척수를 재사용하여 물사용량을 절감하여 경제적이고 친환경적이며, 또한 깨끗한 차엽을 제다하므로 품질이 좋으며 독창적인 제다 전처리 방법을 제공하므로 산업상 이용 가능성이 있다. The present invention adopts a washing and dewatering process in the tea making process to remove foreign substances attached to and mixed with the raw tea leaves, making the tea leaves hygienic and safe, thereby providing excellent quality green tea. In addition, it is economical and eco-friendly by reducing water usage by reusing the washing water, and it is of good quality because it produces clean tea leaves, and it has the potential for industrial use because it provides a unique tea pretreatment method.

1 : 절단기/ 에어샤워기/호퍼/ 상승 컨베이어
2 : 노즐 샤워장치
3 : 와류 세척장치
4 : 타공 진동 컨베이어
5 : 이물질 제거장치
6 : 보조 수조
7 : 메쉬버켓 컨베이어 및 정수분사 장치
8 : 메쉬 컨베이어
9 : 정역메쉬 컨베이어
10 : 탈수장치
11 : 진동 컨베이어1
12 : 진동 컨베이어2
1: Cutting machine/air shower/hopper/elevating conveyor
2: Nozzle shower device
3: Vortex cleaning device
4: Perforated vibrating conveyor
5: Foreign matter removal device
6: Auxiliary tank
7: Mesh bucket conveyor and purified water spray device
8: Mesh Conveyor
9: Forward/reverse mesh conveyor
10: Dehydration device
11: Vibration conveyor 1
12: Vibration conveyor 2

Claims (6)

절단된 차 생엽을 상승 컨베이어 벨트상에 올리고 이동시키면서 하부에서 이물질을 에어로 불어서 분리시키고 물을 노즐로 분무하여 예비 세정하는 제 1단계, 물이 와류로 순환되는 수조의 세척장치에 차엽을 투하하여 세척하는 제 2단계, 세척된 엽을 타공 진동 컨베이어에 옮겨서 생엽과 세척수를 분리한 후, 이물은 제거하고 세척수는 여과과정을 거쳐 보조수조로 옮겨서 와류 세정 장치로 다시 투입하는 제 3단계, 세척된 생엽은 상승 컨베이어상에서 2차 노즐분무 세척과정을 거치면서 일정량 모으는 제 4단계, 원심회전 탈수장치에 투입하여 차 생엽의 세척과 제수하는 제 5단계를 포함하되,
상기 제 1단계는 상승 컨베이어상에 구성된 절단기 채엽된 차생엽을 절단하고 상승 컨베이어 벨트 위에 올려 하부에서 에어를 불어주면서 이물질을 분리하고 생엽이 하부로 내려오는 과정에서 노즐방식의 물을 상부에서 분사하여 예비세정을 하고,
상기 제 2단계는 에어세척과 예비세정을 거친 생엽을 수조에 투입하여 물 세척을 시작하며, 수조 하부 좌우에 배치되어 있는 노즐에서 물을 분사시켜 수조내 와류를 발생시켜 생엽의 침강과 세척을 도모하고 생엽이 앞으로 흐르게 하는 와류세척을 하고,
상기 제 3단계는 와류 세척수조를 거친 생엽을 타공 진동 컨베이어상으로 이동시키면서 생엽과 세척수를 분리하고, 세척수를 타공판 하부로 이물질과 함께 제수하여 이물질은 제거하고 세척수는 여과하여 이를 다시 와류 세정 장치에서 재사용할 수 있도록 보조 수조로 이동시키고,
상기 제 4단계는 이물을 제거하고 일차 제수가 된 생엽을 다시 정수를 분무하여 세척한 후, 메쉬 버켓 컨베이어를 통과시키면서 제수를 하고 탈수장치에 일시에 투입하기 위하여 정역 메쉬 컨베이어에서 일정량 생엽을 모아주고,
상기 제5단계는 일정량 모아진 생엽을 탈수장치에 일시에 투입을 하고 고속으로 원심회전하여 생엽의 표면에 묻은 물기를 제수하며, 탈수가 끝나면 하부 커버를 개방하여 생엽을 배출시키는 회분식 원심회전 탈수하는 것이며,
상기 원심회전 탈수드럼의 하부커버를 개방하여 생엽을 배출시킨 후, 하부커버를 상승시켜 닫아 탈수드럼을 저속 회전하면서 다시 다음 번 생엽을 받을 준비를 하고, 탈수가 끝나 배출된 생엽은 탈수장치 하부에 배치된 진동 컨베이어로 전달되어 다음 제다과정인 증자장치로 이송되는 제 6단계를 포함하는 것을 특징으로 하는 차 생엽의 세척 및 물관리 시스템.
The first step is to move the cut tea leaves on an ascending conveyor belt by blowing air from the bottom to separate foreign substances and spray water with a nozzle for preliminary cleaning. The tea leaves are washed by dropping them into a washing device in a water tank where water circulates in a vortex. In the second step, the washed leaves are transferred to a perforated vibrating conveyor to separate the fresh leaves and the washing water. The foreign matter is removed and the washing water is transferred to an auxiliary water tank through a filtration process and then reintroduced into the vortex cleaning device. The third step is to transfer the washed leaves to the vortex cleaning device. It includes the fourth step of collecting a certain amount through a secondary nozzle spray cleaning process on an ascending conveyor, and the fifth step of washing and dewatering fresh tea leaves by putting them into a centrifugal dehydration device.
In the first step, the cut leaves are cut with a cutter configured on a rising conveyor, placed on the rising conveyor belt, blowing air from the bottom to separate foreign substances, and spraying nozzle-type water from the top while the leaves are coming down to the bottom. Do preliminary cleaning,
In the second step, fresh leaves that have undergone air washing and preliminary cleaning are introduced into the water tank to begin water washing, and water is sprayed from nozzles placed on the left and right sides of the bottom of the water tank to generate vortices in the water tank to help settle and wash the fresh leaves. Then, vortex washing is performed to allow the fresh leaves to flow forward.
In the third step, the fresh leaves that have passed through the vortex washing tank are moved on a perforated vibrating conveyor to separate the fresh leaves from the washing water. The washing water is pumped along with foreign substances to the lower part of the perforated plate to remove foreign substances and the washing water is filtered and returned to the vortex washing device. Move it to an auxiliary tank for reuse,
In the fourth step, foreign substances are removed and the fresh leaves that have been first dewatered are washed by spraying purified water again, then water is dewatered while passing through a mesh bucket conveyor, and a certain amount of fresh leaves are collected on a forward/reverse mesh conveyor to be put into the dehydration device at once. ,
The fifth step is a batch-type centrifugal dehydration in which a certain amount of collected fresh leaves are put into the dehydration device at once, centrifugally rotated at high speed to remove moisture from the surface of the fresh leaves, and when dehydration is completed, the lower cover is opened to discharge the fresh leaves. ,
After opening the lower cover of the centrifugal rotary dehydration drum to discharge the fresh leaves, the lower cover is raised and closed to rotate the dehydration drum at low speed to prepare to receive the next fresh leaves, and the fresh leaves discharged after dehydration is completed are stored in the lower part of the dehydration device. A washing and water management system for fresh tea leaves, comprising a sixth step in which they are transferred to an arranged vibrating conveyor and then transferred to a steaming device, which is the next tea making process.
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JP2000245344A (en) * 1999-03-02 2000-09-12 Terada Seisakusho Co Ltd Centrifugal dehydrator
JP2012005406A (en) * 2010-06-24 2012-01-12 Kawasaki Kiko Co Ltd Air washing apparatus
JP2012100632A (en) * 2010-11-13 2012-05-31 Terada Seisakusho Co Ltd Tea leaf supply and pre-washing machine
KR101611247B1 (en) * 2015-06-20 2016-04-19 주식회사 경은 Green juice product equipment and green juice product method with that equipment

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JPS62248453A (en) * 1986-04-21 1987-10-29 Nikko Kogyo Kigyo Kumiai Green tea leaf washing apparatus
KR100400819B1 (en) 2001-09-17 2003-10-17 배근수 Grain dehydration machine and grain washing machine having the grain dehydration machine
KR20070103324A (en) 2007-08-20 2007-10-23 한국식품연구원 Agricultural products drier

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000245344A (en) * 1999-03-02 2000-09-12 Terada Seisakusho Co Ltd Centrifugal dehydrator
JP2012005406A (en) * 2010-06-24 2012-01-12 Kawasaki Kiko Co Ltd Air washing apparatus
JP2012100632A (en) * 2010-11-13 2012-05-31 Terada Seisakusho Co Ltd Tea leaf supply and pre-washing machine
KR101611247B1 (en) * 2015-06-20 2016-04-19 주식회사 경은 Green juice product equipment and green juice product method with that equipment

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