WO2019013727A2 - Appareil, système et méthode de filtrage de gaz de pétrole liquéfié - Google Patents

Appareil, système et méthode de filtrage de gaz de pétrole liquéfié Download PDF

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Publication number
WO2019013727A2
WO2019013727A2 PCT/TR2017/050707 TR2017050707W WO2019013727A2 WO 2019013727 A2 WO2019013727 A2 WO 2019013727A2 TR 2017050707 W TR2017050707 W TR 2017050707W WO 2019013727 A2 WO2019013727 A2 WO 2019013727A2
Authority
WO
WIPO (PCT)
Prior art keywords
lpg
storage tank
filtration system
transfer line
tanker truck
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/TR2017/050707
Other languages
English (en)
Other versions
WO2019013727A3 (fr
Inventor
Emrah Isbilen
Nabi Onur AZAK
Emrah BIRSEN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aygaz AS
Original Assignee
Aygaz AS
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 Aygaz AS filed Critical Aygaz AS
Publication of WO2019013727A2 publication Critical patent/WO2019013727A2/fr
Publication of WO2019013727A3 publication Critical patent/WO2019013727A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0341—Filters
    • F17C2205/0347—Active charcoal type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0146—Two-phase
    • F17C2225/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/01—Purifying the fluid
    • F17C2265/012—Purifying the fluid by filtering

Definitions

  • the present invention relates to a system and a method for the filtration of LPG (liquefied petroleum gas) in a storage tank as LPG is transferred out to a tank of a tanker truck.
  • LPG liquefied petroleum gas
  • LPG Liquefied petroleum gas
  • hydrocarbon gases made up of propane and butane and is used in different fields.
  • One of these fields is the use of LPG in industrial facilities and in single detached houses, the so-called bulk LPG, wherein LPG is transported to an end user by means of a tanker truck and transferred to a storage tank of the user.
  • the LPG in the user's storage tank can be in a gas or liquid phase.
  • any heavy hydrocarbon structures which cannot get into the gas phase during the gasification of LPG remain in liquid form and settle down in the storage tank.
  • liquid LPG is taken out from the tank at a certain height from the bottom of the tank (preferably at a distance from the bottom of about 10% of the total height of the tank), such that the heavy hydrocarbon structures settled down in the tank are prevented from reaching the system where LPG is used.
  • a certain height from the bottom of the tank preferably at a distance from the bottom of about 10% of the total height of the tank
  • LPG when transferred to the tank of a tanker truck, fails to conform the required standards in evaporation analysis and results in two problems: risk of illegitimate LPG transport and inconvenience of LPG from the tank of tanker truck for reuse.
  • LPG Since LPG is not conforming the standards and is not convenient for reuse, the LPG present in the tank of a tanker truck cannot be transferred to LPG storage tanks present in LPG facilities.
  • LPG having a heavy hydrocarbon content in a tank of a tanker truck is distributed or shared to more than one tanker trucks and is fractionated for use such that the quality of LPG in the tanks is not deteriorated. This raises the costs and leads to operational difficulty.
  • the filtration system developed by the present invention for bulk LPG wherein LPG is transferred by means of a tanker truck to an end-user storage tank, is suitable to filter LPG in the end-user LPG storage tank as LPG is transferred to the tank of the tanker truck before it is introduced into the tank of the tanker truck, and the system comprises at least one column which is made of a material suitable for use with LPG; through which the LPG in a transfer line, which provides the transfer of LPG between the end-user storage tank and the tank of the tanker truck, is passed; in which an adsorbent substance, retaining any heavy hydrocarbons in LPG during this transfer so as to reduce the amount of heavy hydrocarbons in LPG, is provided; which is provided with at least one inlet receiving LPG supplied from a transfer line's end user storage tank connection and at least one outlet through which LPG contained in the column is supplied back to the transfer line with a reduced heavy hydrocarbon content, in order to position the filtration system in the transfer line such that the LPG is filtered after the transfer line
  • the LPG filtration method developed according to the present invention comprises the steps of connecting a filtration system to a transfer line performing the transfer of LPG from an end-user storage tank to the tank of a tanker truck so that it is positioned between the storage tank transfer line connection and the connection of the tanker truck with the transfer line; starting a sucking operation of LPG from the storage tank; during this sucking operation, transferring the LPG in the storage tank through the storage tank connection to the transfer line and from here, to the column provided in the filtration system through the inlet of the column; passing the LPG reaching the column through the adsorbent substance provided in the column retaining heavy hydrocarbons so that the adsorbent substance retains the heavy hydrocarbon structures in LPG in its own pores and the heavy hydrocarbons in LPG are separated from LPG; and supplying the LPG with reduced heavy hydrocarbon content through the outlet of the column back to the transfer line and from here, to the tanker truck's tank by means of the tanker truck's tank connection.
  • LPG is filtered while it is transferred from the end-user storage tank to the tank of a tanker truck such that the heavy hydrocarbon content of LPG is retained by the adsorbent, and LPG with a reduced heavy hydrocarbon content according to standards is supplied back to the tank of the tanker truck.
  • LPG is filtered while it is transferred from the end-user storage tank to the tank of a tanker truck such that the heavy hydrocarbon content of LPG is retained by the adsorbent, and LPG with a reduced heavy hydrocarbon content according to standards is supplied back to the tank of the tanker truck.
  • the object of the present invention is to develop an LPG filtration system for use with LPG (i.e. use with bulk LPG) transported from a tanker truck's tank to an end user, as well as a filtration method suitable for use with this system.
  • Another object of the present invention is to develop an LPG filtration system providing the filtration of heavy hydrocarbon structures contained in LPG received from an end-user storage tank, as well as a filtration method suitable for use with this system.
  • a further object of the present invention is to develop an LPG filtration system for transporting LPG taken from an end-user storage tank to a storage tank at an LPG facility in compliance with relevant standards, as well as a filtration method suitable for use with this system.
  • Another object of the present invention is to develop an LPG filtration system providing an LPG transport in compliance with relevant standards, as well as a filtration method suitable for use with this system.
  • a further object of the present invention is to develop an LPG filtration system for transporting LPG taken from an end-user storage tank to a storage tank at a gas station in a simpler manner with lower costs, as well as a filtration method suitable for use with this system.
  • the amount of heavy hydrocarbons in LPG should be at/below a certain level, and the amount of evaporation residue of LPG should not exceed a predetermined level (50 ppm in line with standards).
  • a predetermined level 50 ppm in line with standards.
  • the heavy hydrocarbon structures which cannot get into the gas phase and/or in case LPG is used in liquid phase and is sucked out of the storage tank at a predetermined height from the bottom of the storage tank, heavy hydrocarbon structures accumulate at the bottom of the storage tank.
  • the filtration system developed by the present invention for bulk LPG wherein LPG is transferred by means of a tanker truck to an end-user storage tank, suitable to filter LPG in the end-user LPG storage tank as LPG is transferred to the tank of the tanker truck before it is introduced into the tank of the tanker truck, is suitable to be positioned in a transfer line, which provides the transfer of LPG between the end-user storage tank and the tank of the tanker truck, such that the LPG is filtered after the transfer line's storage tank connection and before the connection of the tanker truck's tank with the transfer line (between these two connections).
  • the filtration system developed according to the present invention comprises at least one (preferably more than one) column which is made of a material suitable for use with LPG; through which the LPG in the transfer line is passed; in which an adsorbent substance, retaining any heavy hydrocarbons in LPG during this transfer so as to reduce the amount of heavy hydrocarbons in LPG, is provided; which is provided with at least one inlet receiving LPG supplied from a transfer line's end user storage tank connection and at least one outlet through which LPG contained in the column is supplied back to the transfer line with a reduced heavy hydrocarbon content.
  • LPG received from an end-user storage tank is filtered from its heavy hydrocarbon content immediately before it is transferred to a tanker truck.
  • both LPG supplied to the tanker truck is made complying with the standards such that the problematic transport of improper LPG is avoided, and LPG can be transferred to LPG storage tanks in an LPG facility directly without requiring any extra operations such that time and cost losses are reduced.
  • the column is a seamless drawn steel tube (e.g. sch 40).
  • sch 40 seamless drawn steel tube
  • the column can be positioned in a horizontal or vertical manner.
  • the adsorbent substance can be activated carbon, zeolite and/or clay.
  • the filtration system developed according to the present invention can either be a standalone, external, portable unit, or a unit connected to a tanker truck.
  • the filtration system developed using the transfer line performing the transfer of LPG from an end-user storage tank to a tanker truck is first positioned so as to be between the connection of the storage tank and the connection of the tanker truck (i.e. the inlet of the filtration system is connected to the connection of the storage tank and the outlet is connected to the connection of the tanker truck). Then, the sucking operation of LPG from the storage tank is started and during this sucking operation, LPG in the storage tank is transferred through the connection of the storage tank to the transfer line and from here to the column provided in the filtration system through an inlet of the column.
  • LPG reaching the column is passed through (contacted with) an adsorbent substance provided in the column to retain heavy hydrocarbons so that the adsorbent substance retains the heavy hydrocarbon structures in LPG in its own pores.
  • the heavy hydrocarbons in LPG are separated from LPG, and the LPG with a reduced heavy hydrocarbon content now is supplied through the outlet of the column back to the transfer line and from here back to the tanker truck's tank by means of the tanker truck's tank connection.
  • the heavy hydrocarbon content of LPG leaving the filtration system is substantially reduced and the amount of evaporation residue of LPG is made to comply with the standards.
  • LPG is filtered while it is transferred from the end-user storage tank to the tank of a tanker truck such that the heavy hydrocarbon content of LPG is retained by the adsorbent, and LPG with a reduced heavy hydrocarbon content according to standards is supplied back to the tank of the tanker truck.
  • LPG is filtered while it is transferred from the end-user storage tank to the tank of a tanker truck such that the heavy hydrocarbon content of LPG is retained by the adsorbent, and LPG with a reduced heavy hydrocarbon content according to standards is supplied back to the tank of the tanker truck.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

Le système de filtration mis au point par la présente invention, destiné à du GPL en vrac, dans lequel du GPL est transféré au moyen d'un camion-citerne à un réservoir de stockage d'utilisateur final, est approprié pour filtrer du GPL dans le réservoir de stockage de GPL d'utilisateur final lorsque le GPL est transféré au réservoir du camion-citerne avant qu'il soit introduit dans le réservoir du camion-citerne, et le système comprend au moins une colonne qui est constituée d'un matériau approprié pour être utilisé avec du GPL; à travers laquelle circule le GPL, dans une conduite de transfert qui assure le transfert de GPL entre le réservoir de stockage d'utilisateur final et le réservoir du camion-citerne; dans laquelle se trouve une substance adsorbante, retenant tout hydrocarbure lourd présent dans du GPL pendant ce transfert de façon à réduire la quantité d'hydrocarbures lourds dans le GPL; ce système comprenant au moins une entrée recevant du GPL fourni par un raccordement de réservoir de stockage d'utilisateur final de la conduite de transfert et au moins une sortie à travers laquelle le GPL contenu dans la colonne est renvoyé à la conduite de transfert avec un contenu d'hydrocarbure lourd réduit, afin de positionner le système de filtration dans la conduite de transfert de telle sorte que le GPL est filtré après le raccordement du réservoir de stockage de la conduite de transfert et avant le raccordement du réservoir du camion-citerne à la conduite de transfert.
PCT/TR2017/050707 2016-12-29 2017-12-27 Appareil, système et méthode de filtrage de gaz de pétrole liquéfié Ceased WO2019013727A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2016/20006 2016-12-29
TR2016/20006A TR201620006A1 (tr) 2016-12-29 2016-12-29 Bir LPG filtreleme sistemi ve yöntemi.

Publications (2)

Publication Number Publication Date
WO2019013727A2 true WO2019013727A2 (fr) 2019-01-17
WO2019013727A3 WO2019013727A3 (fr) 2019-04-11

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PCT/TR2017/050707 Ceased WO2019013727A2 (fr) 2016-12-29 2017-12-27 Appareil, système et méthode de filtrage de gaz de pétrole liquéfié

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TR (1) TR201620006A1 (fr)
WO (1) WO2019013727A2 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904507A (en) * 1957-07-11 1959-09-15 Exxon Research Engineering Co Fluidized molecular sieve process
US3051649A (en) * 1959-10-05 1962-08-28 Phillips Petroleum Co Purification of liquefied petroleum gases
US5094747A (en) * 1990-09-18 1992-03-10 Allied-Signal Inc. Removal of polynuclear aromatic compounds from motor vehicle fuel
US5474671A (en) * 1994-04-11 1995-12-12 Phillips Petroleum Company Process for removing oil from liquefied petroleum gas
US20030192830A1 (en) * 2002-04-10 2003-10-16 Memmott Bryan S. Apparatus and method for removal of impurities from hydrocarbon fuels

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TR201620006A1 (tr) 2018-07-23
WO2019013727A3 (fr) 2019-04-11

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