WO2020059984A1 - Système de prétraitement de sous-produit du palmier pour réduire les matériaux perturbant la combustion - Google Patents

Système de prétraitement de sous-produit du palmier pour réduire les matériaux perturbant la combustion Download PDF

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Publication number
WO2020059984A1
WO2020059984A1 PCT/KR2019/002811 KR2019002811W WO2020059984A1 WO 2020059984 A1 WO2020059984 A1 WO 2020059984A1 KR 2019002811 W KR2019002811 W KR 2019002811W WO 2020059984 A1 WO2020059984 A1 WO 2020059984A1
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WO
WIPO (PCT)
Prior art keywords
water
palm
washing
tank
products
Prior art date
Application number
PCT/KR2019/002811
Other languages
English (en)
Korean (ko)
Inventor
박명수
김범신
강연관
임현수
임목삼
황월평
Original Assignee
한국전력공사
티엔비 리서치 에스디엔 비에이치디
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Application filed by 한국전력공사, 티엔비 리서치 에스디엔 비에이치디 filed Critical 한국전력공사
Publication of WO2020059984A1 publication Critical patent/WO2020059984A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C10L5/442—Wood or forestry waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/022—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/041—Cleaning travelling work
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • C05G5/23—Solutions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Definitions

  • the present invention relates to a palm by-product washing apparatus and a washing method for reducing combustion obstacles.
  • Farm fruit by-product is a vegetable by-product that is obtained by separating the fruit needed for palm oil production from the fruit lump (Full Fruit Bunche) harvested from palm trees, and is about 10 million tons per year (20% of the fruit mass) Is being generated.
  • Farm by-products have a calorific value of about 4,000 kcal / kg during drying, and efforts are being made to use them as fuel for power generation.
  • palm by-products contain combustion-inhibiting materials such as potassium (K) and chlorine (Cl), which causes problems such as damage to the boiler and deterioration of the power plant utilization rate when it is used as a fuel for power generation.
  • palm by-products have a high moisture content (60% or more), and the length of the fiber is long, so a pre-treatment process is necessary when using it as a fuel for power generation.
  • Korean Patent Registration No. 10-1557820 discloses a method of forming palm pellets into pellets after being half-carbonized by heating at a high temperature (250 to 350 ° C) without oxygen. To the public. However, since a large amount of energy must be input to convert palm by-products into power generation fuel, it is inefficient in terms of economic efficiency, and it seems that it is difficult to sufficiently remove the combustion obstacles contained in palm by-products.
  • An object of the present invention is to provide a system for pre-treatment of palm by-products that is economically efficient while being capable of sufficiently removing combustion-inhibiting substances contained in palm by-products.
  • the present invention a washing tank for washing by sedimentation of palm by-products in washing water; Washing water supply means for supplying the washing water into the washing tank; A conveyor for moving palm by-products in the water tank; A recycle water buffer tank for storing recycle water used for washing the palm byproduct; And a recirculating water supply means for re-supplying the recycled water into the water washing tank.
  • the palm by-product pretreatment system of the present invention it is possible to increase the value of palm by-products by effectively removing alkali components and other impurities such as chlorine and potassium, which are combustion-inhibiting substances contained in the palm by-products.
  • the present invention can increase the economic efficiency of the entire palm tree and palm oil production system by allowing the washing water used to wash the palm by-products to be reused in the washing process or to be recycled as fertilizer water in the palm tree farm.
  • FIG. 1 exemplarily shows a pretreatment device used in a farm byproduct pretreatment system according to the present invention.
  • the palm by-product pretreatment system according to the present invention is for recycling palm by-product, which is a waste resource, as power generation fuel, and can sufficiently remove combustion obstacles such as potassium and chlorine contained in the farm by-product.
  • Combustion barriers contained in palm by-products are mainly potassium (K) and chlorine (Cl). Potassium and chlorine are high-risk substances that can damage the boiler or make it impossible to operate.
  • the ash melting point generated during combustion is lowered, and as the ash melting point decreases, the ash melted by the combustion heat of the boiler is attached to the wall of the boiler and the outer surface of the boiler tube. .
  • the temperature of the ash attached to the outer surface of the boiler tube is lowered by the water flowing inside the tube and is fixed as it is.
  • the boiler tube does not receive enough heat energy from the combustion furnace, and thus the efficiency of converting water into steam decreases rapidly, resulting in deterioration or severe power plant power. In this case, it will stop driving.
  • chlorine in the power generation fuel can form corrosion inside the boiler by forming hydrochloric acid by combining with hydrogen, and reacts with other compounds of fly ash (ash in the combustion gas) to cause high temperature chlorine corrosion, resulting in the boiler tube inside the boiler It can damage your back.
  • combustion obstacles contained in the palm by-product can be removed by 80% or more compared to the initial content, thereby lowering the melting point of ash and slagging ash on the outer surface of the boiler tube. It is possible to improve the phenomenon and reduce the high temperature corrosion phenomenon caused by chlorine, thereby improving the operating efficiency of the boiler.
  • FIG. 1 is a view showing an embodiment of a pre-treatment device used in the palm by-product pretreatment system according to the present invention, the palm by-product pretreatment system of the present invention will be described in detail below with reference to FIG. 1.
  • Palm by-product pre-treatment system includes a washing tank (1).
  • the washing tank 1 is for washing by sedimentation of palm by-products into washing water, and has a certain volume for receiving the farm by-products and washing water.
  • the washing tank 1 may include a washing water supply means for supplying washing water into the water tank, and the washing water supply means is connected to a washing water reservoir which is a source of washing water, and determines the amount of washing water supplied.
  • a valve for adjustment can be installed.
  • a palm by-product inlet (2) is installed in the water tank (1) to facilitate input of palm by-products
  • a palm by-product outlet (3) is installed on one side of the water tank (1) to release the finished palm by-product.
  • a washing water jetting means 6 may be installed in the vicinity of the palm by-product inlet 2 so that the farm by-products inputted through the input port 2 can be settled smoothly into the washing water.
  • the washing water spraying means 6 may be connected to a washing water reservoir, which is a source of washing water, to spray washing water, and is connected to a recirculating water buffer tank 5 to be described below to inject recirculating water. can do.
  • Palm by-product pre-treatment system includes a conveyor (4).
  • the conveyor 4 may be connected to a driving means such as a motor to receive a rotational force, and a part of the conveyor may be characterized by being a submerged conveyor driven by being submerged into the washing water in the washing tank 1.
  • the conveyor 4 may be provided with a transport blade at regular intervals to effectively move the farm by-products in the water tank 1.
  • the palm by-products introduced into the washing tank 1 are settled in the washing tank and washed while being moved in one direction of the washing tank 1 by a conveyor 4 equipped with the transfer blade. During this process, combustion barriers and other impurities contained in palm by-products may be removed from palm by-products.
  • the palm by-products and wash water may be added in a weight ratio of 1: 5 to 1:15, preferably 1: 9 to 1:12.
  • weight ratio When the weight ratio is satisfied, it is possible to sufficiently remove the combustion obstacles and other impurities in palm by-products, and it is efficient because it can prevent excessive use of washing water.
  • the palm by-products can be washed by sedimentation in wash water for 3 to 15 minutes, and preferably washed for 5 to 10 minutes.
  • the washing time is satisfied, it is possible to sufficiently remove the combustion obstacles and other impurities in the palm by-products, and it is efficient because it can increase the speed of the overall palm by-product pretreatment process.
  • Palm by-product pre-treatment system may further include a rinse water injection means (7) in the vicinity of the palm by-product outlet (3).
  • the palm by-products raised by the conveyor 4 out of the washing water may be further washed through the rinsing water spraying means 7 before being discharged out of the washing tank 1.
  • the rinsing water jetting means 7 is connected to a washing water reservoir, which is a source of washing water, and remains in the palm by-products by additionally washing the first washed palm by-products by spraying clean washing water not used for washing the palm by-products. Combustion barriers and other impurities can be removed more effectively.
  • the palm by-product pretreatment system includes a recycle water buffer tank 5 and a recirculating water supply means 8 for efficient utilization of wash water required for the washing process of the palm by-product.
  • the recycled water means the wash water used at least once to wash the palm by-products, and the wash water used for washing the palm by-products is not immediately drained as waste water, but primarily the recycle water. It is transported and stored in the buffer tank 5.
  • the recycled water stored in the recycled water buffer tank 5 is re-supplied to the water tank 1 through the recycle water supply means 8 installed at the bottom of the water tank 1 and can be used again for washing of farm by-products. have.
  • the recirculating water When the recirculating water is continuously supplied to the water tank 1 through the recirculating water supply means 8, the water level in the water tank 1 rises, and a certain amount of water flows out of the water tank 1 and overflows. After the overflow of the washing tank 1 is transferred and stored in the recycling water buffer tank 5 again, it can be used for washing the palm by-products to form a recycling loop of washing water.
  • the farm by-product pretreatment system may further include a water quality measurement sensor 9 in the water tank 1.
  • the water quality measuring sensor 9 measures the water quality of the washing water in the water tank 1 and when the water quality reaches a certain level, the water quality sensor 9 drains all of the water without further using it for washing of palm by-products.
  • the water quality measurement sensor 9 may include a conductivity meter and a total dissolved solids meter, and measure the conductivity and total dissolved solids of the wash water to measure the water in the water tank 1. You can decide whether to continue using or draining your water. More specifically, when the conductivity of the washing water is 1,500 ⁇ S or more, or when the total dissolved solids concentration is 1,000 ppm or more, the amount of washing water required while maintaining a power of a certain level or more by draining all the washing water in the water tank 1 Can be optimized.
  • FIGS. 2 and 3 show the results of measuring the concentrations of potassium and chlorine contained in the palm by-products before and after washing by injecting various types of palm by-products into the washing water at a weight ratio of 1:10 and washing them for 10 minutes.
  • potassium is 85% or more compared to the initial content
  • chlorine is 91% or more compared to the initial content. It can confirm the excellent combustion barrier removal effect.
  • Palm by-product pre-treatment system may further include a vibrating screen (vibrating screen) (22).
  • the washing water discharged through the compression type dehydration means 21 is separated into residual palm by-products and washing water through a vibrating screen 22, and the separated washing water is stored in the recirculating water buffer tank 5 and then palm by-products. Can be reused for washing.
  • the fertilizer water in the present invention refers to the washing water drained from the water tank 1, and since it contains a large amount of minerals such as potassium, which is an essential component for the growth of palm trees, it can be fertilized water in farm trees, etc. Can be recycled. However, for this purpose, it is necessary to meet the environmental standards according to the discharge of wastewater.
  • Farm by-product pre-treatment system in order to supply the fertilizer water that meets the environmental standards to each palm tree farm, a sedimentation tank (31) for sedimentation of suspended matter of the fertilizer water drained from the water tank (1) ); A biodegradation tank 32 for purification of the fertilizer water in which the suspended matter has settled; And a piping system 33 for distributing fertilizer water for transporting the purified fertilizer water.
  • the fertilizer water drained from the water washing tank 1 is transferred to the sedimentation tank 31 to settle the suspended matter for 1 to 3 days.
  • the fertilized water with improved water quality can be transported to each palm tree farm and recycled through the piping system 33 for distributing fertilizer water, thereby improving economic efficiency of the entire palm tree and palm oil production system.
  • rinse water supply means 8 recirculating water supply means
  • biodegradation tank 33 piping system for fertilizer water distribution

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Pest Control & Pesticides (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Wood Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un système de prétraitement de sous-produit du palmier comprenant : une cuve de lavage pour décanter les sous-produits du palmier dans l'eau de lavage pour laver les sous-produits du palmier ; un moyen de distribution d'eau de lavage pour distribuer l'eau de lavage dans la cuve de lavage ; un transporteur pour déplacer les sous-produits du palmier dans la cuve de lavage ; une cuve tampon d'eau de recirculation pour stocker l'eau de recirculation qui a été utilisée pour laver les sous-produits du palmier ; et un moyen de distribution d'eau de recirculation pour redistribuer l'eau de recirculation dans la cuve de lavage.
PCT/KR2019/002811 2018-09-17 2019-03-11 Système de prétraitement de sous-produit du palmier pour réduire les matériaux perturbant la combustion WO2020059984A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180110998A KR102087377B1 (ko) 2018-09-17 2018-09-17 연소장애물질 저감을 위한 팜 부산물 전처리 시스템
KR10-2018-0110998 2018-09-17

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WO2020059984A1 true WO2020059984A1 (fr) 2020-03-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110094169A (ko) * 2011-08-02 2011-08-22 엘지전자 주식회사 정수기 및 정수기 저수조의 세척방법
KR101565462B1 (ko) * 2014-10-28 2015-11-04 (주)비스알 팜나무의 부산물 연료화 시스템의 전처리 장치 및 전처리 방법
JP2016125030A (ja) * 2015-01-08 2016-07-11 株式会社日立製作所 植物性バイオ燃料改質方法、システムおよび生産方法
KR101745347B1 (ko) * 2016-08-19 2017-06-09 (주)상록엔바이로 오폐수 처리장치 및 처리방법
JP2018127379A (ja) * 2017-02-08 2018-08-16 株式会社日立製作所 バイオマス改質装置及びその運転方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030023329A (ko) * 2001-09-13 2003-03-19 주식회사 대성이앤비 유기성 폐기물 처리방법
KR101557820B1 (ko) 2014-06-11 2015-10-07 (주)씨이에스 팜 부산물의 반 탄화물을 이용한 성형탄 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110094169A (ko) * 2011-08-02 2011-08-22 엘지전자 주식회사 정수기 및 정수기 저수조의 세척방법
KR101565462B1 (ko) * 2014-10-28 2015-11-04 (주)비스알 팜나무의 부산물 연료화 시스템의 전처리 장치 및 전처리 방법
JP2016125030A (ja) * 2015-01-08 2016-07-11 株式会社日立製作所 植物性バイオ燃料改質方法、システムおよび生産方法
KR101745347B1 (ko) * 2016-08-19 2017-06-09 (주)상록엔바이로 오폐수 처리장치 및 처리방법
JP2018127379A (ja) * 2017-02-08 2018-08-16 株式会社日立製作所 バイオマス改質装置及びその運転方法

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