WO2024063172A1 - Système de nettoyage de réservoir de pétrole brut - Google Patents

Système de nettoyage de réservoir de pétrole brut Download PDF

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Publication number
WO2024063172A1
WO2024063172A1 PCT/KR2022/014094 KR2022014094W WO2024063172A1 WO 2024063172 A1 WO2024063172 A1 WO 2024063172A1 KR 2022014094 W KR2022014094 W KR 2022014094W WO 2024063172 A1 WO2024063172 A1 WO 2024063172A1
Authority
WO
WIPO (PCT)
Prior art keywords
crude oil
oil tank
sludge
cleaning system
washing water
Prior art date
Application number
PCT/KR2022/014094
Other languages
English (en)
Korean (ko)
Inventor
손성근
Original Assignee
손성근
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 손성근 filed Critical 손성근
Priority to PCT/KR2022/014094 priority Critical patent/WO2024063172A1/fr
Publication of WO2024063172A1 publication Critical patent/WO2024063172A1/fr

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Classifications

    • 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
    • B08B3/10—Cleaning 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
    • B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers

Definitions

  • the present invention relates to a crude oil tank cleaning system, and more specifically, to a crude oil tank cleaning system that can easily remove solidified sludge accumulated on the bottom of a crude oil tank by spraying high-pressure washing water, steam, and air into the crude oil tank. It's about the system.
  • Crude oil pulled from underground is temporarily stored in crude oil tanks before being loaded on oil tankers and before being injected into refinery facilities for refining.
  • Patent No. 10-1224010 “Automatic Cleaning Device for Crude Oil Storage Tanks,” and Patent No. 10-0475172, “Removal of Sludge in Crude Oil Tanks and “Method for recovering oil fractions” etc. were disclosed.
  • melting of sludge using heat medium oil is not very fast. Initially, the heat medium oil introduced is at a high temperature, so the melting speed of the sludge is relatively fast, but over time, the temperature of the heat medium oil decreases and the melting speed slows down. There is no other factor that increases the melting speed other than stirring the heat medium oil, let alone natural melting. It takes a lot of time to melt the sludge.
  • the present invention was developed to solve all the problems of the prior art as described above, and the purpose of the technical structure of the present invention is to spray high-pressure washing water, steam, and air into the crude oil tank to remove solidified sludge accumulated at the bottom of the crude oil tank.
  • the goal is to provide a crude oil tank cleaning system that can easily remove sludge.
  • the present invention for achieving the above technical problem is a crude oil tank cleaning system including a floating loop that is provided to move up and down inside the crude oil tank; a distributor for controlling the supply of washing water or air for cleaning the crude oil tank; a plurality of roof legs that support the floating roof and are connected to the distributor to spray washing water; a washing water supply line connected to the distributor through a hose connection means to supply washing water; a plurality of spray nozzles connected to the distributor to spray washing water into the crude oil tank; a sludge discharge means provided in the crude oil tank to discharge sludge to the outside; and an oil-water separation tank that purifies contaminated water containing sludge discharged through the sludge discharge means.
  • it may further include a flange stopper that opens and closes the opening hole formed on the wall of the crude oil tank and at the same time prevents damage to the rubber packing wrapped around the outside of the floating loop that moves up and down within the crude oil tank.
  • a passage hole is formed inside the roof leg, and a spray hole may be formed at the lower end so that at least one of washing water, steam, or air supplied through the passage hole is sprayed.
  • the hose connection means is inserted into an opening hole formed on the wall of the crude oil tank, and includes a fixing flange with a male thread formed at one end and a connection part for connecting the opening hole and the hose at the other end, and one end of the fixing flange. It is detachably coupled to the part, and at one end is formed a female thread to be screwed to the male thread of the fixing flange, and at the other end may include a connecting member having a flange portion connected to the distributor.
  • a plurality of spray nozzles are radially disposed at the bottom of the floating loop, and the lower ends of the spray nozzles may be inclined downward so that the sprayed washing water generates a vortex phenomenon and causes sludge to collect at the center of the floating loop.
  • the sludge discharge means includes a plurality of first suction pumps that suction the sludge that floats on the wash water as the inside of the crude oil tank is filled with the wash water, and a plurality of second suction pumps that suction the sludge and wastewater remaining at the bottom of the crude oil tank. May include a pump.
  • a plurality of image detection sensors may be provided at the bottom of the floating loop so that sludge in the water filled in the crude oil tank can be confirmed through images.
  • the upper and lower sides of the lower part of the crude oil tank are respectively equipped with an upper and lower sludge discharge nozzles that are connected to the oil-water separation tank and spray washing water supplied through a pump, and the upper and lower parts of the other side of the lower part of the crude oil tank.
  • a sludge outlet and a wastewater outlet may be formed, respectively, through which sludge and wastewater are discharged.
  • a plurality of suction nozzles are provided at predetermined intervals at the bottom of the crude oil tank, and each of the suction nozzles is connected to a rubber hose so that sludge accumulating on the bottom of the crude oil tank can be discharged to the outside.
  • the sludge stuck to the bottom of the crude oil tank can be broken into small pieces and quickly floated and removed.
  • the sprayed washing water creates a vortex phenomenon, so that floating sludge can be easily removed by driving it to the center.
  • 1 is a schematic diagram of the entire crude oil tank cleaning system according to the present invention.
  • Figure 2 is a conceptual diagram for explaining the hose connection means applied to the present invention.
  • Figure 3 is a conceptual diagram for explaining the roof leg applied to the present invention.
  • Figure 4 is a conceptual diagram for explaining the flange stopper, waterproof tube, and tube cover applied to the present invention.
  • Figure 1 is a schematic diagram of the entire crude oil tank cleaning system according to the present invention
  • Figure 2 is a conceptual diagram for explaining the hose connection means applied to the present invention
  • Figure 3 is a conceptual diagram for explaining the roof leg applied to the present invention
  • Figure 4 is a conceptual diagram for explaining the flange stopper, waterproof tube, and tube cover applied to the present invention.
  • the present invention relates to a crude oil tank cleaning system, and more specifically, to a crude oil tank that can easily remove solidified sludge accumulated at the bottom of a crude oil tank by spraying high-pressure washing water, steam, and air into the crude oil tank.
  • a crude oil tank cleaning system includes a crude oil tank 100 in which crude oil is stored, a floating loop 110 movable up and down inside the crude oil tank 100, and the floating loop.
  • the wall of the crude oil tank 100 is provided with at least one manhole 130 through which workers can freely enter and exit. Therefore, a worker can enter the crude oil tank 100 through the manhole 130 to install and dismantle the hose connection means 500 or perform repair work.
  • an opening hole 140 is formed on the wall of the crude oil tank 100 to easily install a hose connection means 500 for supplying washing water to the spray nozzle 300 and the roof leg 120.
  • hose connection means 500 when the hose connection means 500 is dismantled from the opening hole 140, it is mounted on the opening hole 140 to open and close it, and at the same time, when the floating loop 110 moves up and down, it is wrapped around the outside of the floating loop 110. Includes a flange stopper (150) to protect the rubber packing.
  • a waterproof tube 151 is installed on the outside of the flange stopper 150 mounted on the opening hole 140 to prevent water leakage from occurring due to high pressure.
  • a tube cover 152 may be covered on the outside of the waterproof tube 151 to more effectively prevent water leakage, and the waterproof tube 151 and the tube cover 152 are made of rubber or silicone. and the tube cover 152 may be formed of a metal material.
  • the roof leg 120 is formed with a passage hole 121 through which washing water flows, and a spray hole 122 is formed at the lower end so that the washing water, steam, and air supplied through the passage hole 121 are sprayed. do.
  • the spray hole 122 is formed to be inclined downward at a 30 degree angle. That is, washing water, steam, and air are sprayed through the spray hole 122 to finely break the sludge accumulated on the bottom of the crude oil tank 100 and float it smoothly.
  • a plurality of spray nozzles 300 are radially disposed at the lower part of the floating loop 110, and the sprayed washing water at the lower end of the spray nozzles 300 generates a vortex phenomenon, causing sludge to flow to the center of the floating loop 110. It is formed slanted downward so that the
  • the washing water sprayed from the spray nozzle 300 rotates the water in the crude oil tank 100 around the lower center of the floating loop 110, allowing sludge to flow to the center of the crude oil tank 100.
  • the hose connection means 500 is inserted into the opening hole 140 formed on the wall of the crude oil tank 100, and a male thread 511 is formed at one end and an opening hole 140 at the other end.
  • a fixing flange 510 provided with a connection part 512 to which a hose is connected is detachably coupled to one end of the fixing flange 510, and one end is screwed to the male thread 511 of the fixing flange 510.
  • a female thread 521 is formed for coupling, and the other end includes a connecting member 520 with a flange portion 522 connected to the distributor 400.
  • the distributor 400 may include connection hoses made of various materials capable of flowing water, such as a flexible hose, and the connection hose may be combined with the connection member 520 to receive washing water or air.
  • the sludge discharge means 600 includes a plurality of first suction pumps 610 that suction the sludge that floats on the wash water as the inside of the crude oil tank 100 is filled with the wash water, and the sludge remaining at the bottom of the crude oil tank 100. It is configured to include a plurality of second suction pumps 620 that suck in sludge and wastewater.
  • a plurality of image detection sensors 800 are provided at the bottom of the floating roof 110 so that sludge in the water filled in the crude oil tank 100 can be confirmed through images. Therefore, cleaning can be facilitated by frequently checking the sludge image in the water filled in the crude oil tank 100.
  • the image detection sensor 800 can be configured as a mobile type.
  • an upper and lower sludge discharge nozzle 160 and a lower sludge discharge nozzle 170 are connected to the oil-water separation tank 700 and spray washing water supplied through a pump at the upper and lower sides of the lower part of the crude oil tank 100, respectively. It can be provided.
  • a sludge outlet 180 and a wastewater outlet 190 through which sludge and wastewater are discharged may be formed at the upper and lower parts of the other side of the lower part of the crude oil tank 100, respectively.
  • a boiler compressor 900 that injects high-temperature steam and high-pressure air may be connected to the washing water supply line 200.
  • washing water, air, steam, etc. can be supplied through the washing water supply line 200.
  • the sludge stuck to the bottom of the crude oil tank 100 can be melted, easily decomposed, and cleaned quickly. At the same time, the crude oil tank 100 is not filled. Because it creates a vortex phenomenon in water, sludge can easily float on the water.
  • the present invention can be provided with suction nozzles at predetermined intervals at the bottom of the crude oil tank 100 in order to periodically discharge the sludge accumulating on the bottom of the crude oil tank 100, and the suction nozzles are connected with a rubber hose, etc. to use a pump. Sludge accumulating at the bottom of the crude oil tank 100 can be discharged to the outside.
  • the oil-water separation tank 700 purifies the waste mixture flowing in as a mixture of sludge and waste oil discharged through the first suction pump 610 and the second suction pump 620 into waste oil, wastewater, and solid incineration water. Separate and purify the sludge using centrifugal force.
  • the separated waste oil can be recycled and used as energy, and the filtered waste water can be supplied to the washing water supply line 200.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

La présente invention concerne un système de nettoyage de réservoir de pétrole brut et, plus spécifiquement, un système de nettoyage de réservoir de pétrole brut qui peut faciliter l'élimination de boues solidifiées accumulées au fond d'un réservoir de pétrole brut par pulvérisation, à haute pression, d'eau de nettoyage, de vapeur et d'air dans le réservoir de pétrole brut. Afin de résoudre le problème technique, la présente invention concerne un système de nettoyage de réservoir de pétrole brut comprenant : un toit flottant qui peut se déplacer vers le haut/vers le bas dans le réservoir de pétrole brut ; un distributeur pour commander l'alimentation en eau de nettoyage ou en air pour nettoyer le réservoir de pétrole brut ; une pluralité de pieds de toit qui supportent le toit flottant et qui sont reliés au distributeur de façon à pulvériser l'eau de nettoyage ; une conduite d'alimentation en eau de nettoyage reliée au distributeur par l'intermédiaire d'un moyen de raccordement de tuyau de façon à fournir l'eau de nettoyage ; une pluralité de buses de pulvérisation reliées au distributeur de façon à pulvériser l'eau de nettoyage dans le réservoir de pétrole brut ; un moyen d'évacuation des boues disposé dans le réservoir de pétrole brut de façon à évacuer la boue vers l'extérieur ; et un réservoir de séparation huile-eau pour purifier l'eau contaminée contenant des boues évacuées à travers le moyen d'évacuation des boues.
PCT/KR2022/014094 2022-09-21 2022-09-21 Système de nettoyage de réservoir de pétrole brut WO2024063172A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2022/014094 WO2024063172A1 (fr) 2022-09-21 2022-09-21 Système de nettoyage de réservoir de pétrole brut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2022/014094 WO2024063172A1 (fr) 2022-09-21 2022-09-21 Système de nettoyage de réservoir de pétrole brut

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WO2024063172A1 true WO2024063172A1 (fr) 2024-03-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495243B1 (fr) * 1991-01-17 1994-07-27 Dietrich Sobinger Procédé et dispositif pour nettoyer des citernes à toits flottants pour mettre en dépôt l'huile brute
US6041793A (en) * 1997-03-18 2000-03-28 Miyasaki; Mace T. Method and apparatus for reducing oil cargo sludge in tankers
US20070095365A1 (en) * 2004-12-16 2007-05-03 Ocs Technologies, Llc Solids separation system
KR20200126060A (ko) * 2019-04-29 2020-11-06 손성근 원유탱크 청소 시스템
KR102387439B1 (ko) * 2021-05-31 2022-04-15 (주)로보스코리아 부유체를 포함한 청소로봇 및 이를 이용한 청소방법
KR20230022661A (ko) * 2021-08-09 2023-02-16 손성근 원유탱크 청소 시스템

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0495243B1 (fr) * 1991-01-17 1994-07-27 Dietrich Sobinger Procédé et dispositif pour nettoyer des citernes à toits flottants pour mettre en dépôt l'huile brute
US6041793A (en) * 1997-03-18 2000-03-28 Miyasaki; Mace T. Method and apparatus for reducing oil cargo sludge in tankers
US20070095365A1 (en) * 2004-12-16 2007-05-03 Ocs Technologies, Llc Solids separation system
KR20200126060A (ko) * 2019-04-29 2020-11-06 손성근 원유탱크 청소 시스템
KR102387439B1 (ko) * 2021-05-31 2022-04-15 (주)로보스코리아 부유체를 포함한 청소로봇 및 이를 이용한 청소방법
KR20230022661A (ko) * 2021-08-09 2023-02-16 손성근 원유탱크 청소 시스템

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