WO2016013128A1 - Dispositif de récupération de vapeur - Google Patents

Dispositif de récupération de vapeur Download PDF

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Publication number
WO2016013128A1
WO2016013128A1 PCT/JP2014/072722 JP2014072722W WO2016013128A1 WO 2016013128 A1 WO2016013128 A1 WO 2016013128A1 JP 2014072722 W JP2014072722 W JP 2014072722W WO 2016013128 A1 WO2016013128 A1 WO 2016013128A1
Authority
WO
WIPO (PCT)
Prior art keywords
vapor
fuel oil
gasoline
casing
vapor recovery
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/JP2014/072722
Other languages
English (en)
Japanese (ja)
Inventor
一幸 狩野
関谷　勝彦
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.)
Tatsuno Corp
Original Assignee
Tatsuno Corp
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 Tatsuno Corp filed Critical Tatsuno Corp
Priority to CN201480002596.7A priority Critical patent/CN106660778A/zh
Priority to JP2015509655A priority patent/JP6347253B2/ja
Publication of WO2016013128A1 publication Critical patent/WO2016013128A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/76—Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators

Definitions

  • the present invention relates to a vapor recovery device that recovers fuel oil vapor (vaporized fuel oil) that stays in an underground tank when unloading the fuel oil from a tank truck to the underground tank.
  • fuel oil such as gasoline has high volatility. Therefore, when unloading fuel oil from a tank truck to an underground tank buried in a gas station, a fuel oil vapor with the fuel oil volatilized in the upper space inside the underground tank. Stays. Conventionally, such fuel oil vapor has been discharged into the atmosphere through a vent pipe connected to an underground tank.
  • Patent Document 1 a vapor recovery device that liquefies and reuses fuel oil vapor in Patent Documents 1 and 2.
  • the fueling device described in Patent Document 1 includes a condensing device for liquefying fuel oil vapor to recover liquefied gasoline and an adsorption / desorption for adsorbing and desorbing gasoline components from gasoline vapor that could not be recovered by the condensing device.
  • the fuel supply device described in Patent Document 2 collects fuel oil vapor through a vapor return pipe provided in the vicinity of the fuel supply nozzle, cools the vapor using a cooling adsorption device, and then vapors in the gas-liquid separation tank. And a gas composed of air, gasoline, and water.
  • the vapor recovery device recovers the fuel oil vapor in the underground tank using a compression pump through a pipe.
  • an overflow that supplies fuel oil exceeding the capacity of the underground tank may occur.
  • the vapor recovery device may suck the fuel oil.
  • the compression pump provided in the apparatus is exclusively for vapor (gas), there is a problem that the compression pump is broken when the vapor recovery apparatus sucks the fuel oil in this way.
  • the present invention has been made in view of the above-described problems in the prior art, and provides a vapor recovery device that can prevent erroneous suction of fuel oil and protect a compression pump and the like. Objective.
  • the present invention is provided in a pipe line having one end connected to an underground tank, connected to a suction means for sucking fuel oil vapor inside the underground tank, and to a downstream side of the suction means.
  • a vapor recovery device for recovering the fuel oil vapor inside the underground tank, and is provided upstream of the suction means and flows in via the conduit.
  • the liquid detection means for detecting the fuel oil to be detected, and the valve opening / closing means for opening and closing the valve according to the detection result of the liquid detection means.
  • the liquid detection means is provided upstream of the suction means such as a compression pump, and the valve is opened and closed by the valve opening and closing means according to the detection result of the liquid detection means. It is possible to detect the mixing of the fuel oil before being sucked into the compression pump or the like, and it is possible to prevent the compression pump or the like from being damaged.
  • the liquid detection means is a float that moves up and down according to the level of the fuel oil in the casing, and a first oil that is connected to the casing and introduces the fuel oil vapor and / or the fuel oil.
  • a second pipe line connected to the casing and connected to the valve opening / closing means, and connected to the casing by the fuel oil in the casing.
  • the liquid detection means may be provided with a drain cock for discharging the fuel oil in the casing on the bottom surface of the casing.
  • erroneous suction of fuel oil can be prevented and devices such as a compression pump can be protected.
  • a vapor recovery apparatus 1 is installed on a predetermined island 4.
  • An underground tank 2 is buried in the basement of the gas station 10, and the weighing machine 3 and the vapor recovery device 1 on each island 4 are connected by various pipes.
  • the underground tank 2 is further connected with a vent pipe 8 extending to the ground.
  • the vent pipe 8 is opened when the pressure in the air layer portion of the underground tank 2 becomes a predetermined pressure (abnormal pressure) or more.
  • a vent valve (not shown) is provided.
  • the weighing machine 3 is connected to the underground tank 2 via the vapor pipe 5.
  • Each measuring machine 3 collects gasoline vapor (vaporized gasoline) as fuel oil vapor generated when gasoline as fuel oil is supplied to a vehicle or the like using a blower pump 3a provided in each measuring machine 3. Then, the gas is returned to the air layer of the underground tank 2 through the vapor pipe 5.
  • the vapor recovery device 1 is connected to an underground tank via a vapor recovery line 6 and a liquid return line 7, and liquefied gasoline is obtained by sucking and recovering gasoline vapor present in the gas layer portion of the underground tank 2 via the vapor recovery line 6. And liquefied gasoline is returned to the liquid layer portion of the underground tank 2 via the liquid return line 7.
  • the vapor recovery apparatus 1 is roughly divided into a float switch 11, a shut-off valve (electromagnetic valve) 12, a compression pump 14, a condenser 15, a gas-liquid separation tank 16, a high concentration device 20, and a vacuum pump 21. .
  • the vapor recovery line 6 has an underground tank 2 connected to one end and a float switch 11 connected to the other end.
  • the float switch 11 is connected to the vapor recovery line 6 on the upstream side and to the shutoff valve 12 on the downstream side.
  • the float switch 11 detects the mixture of gasoline liquid into the gasoline vapor sucked and collected via the vapor collection line 6.
  • the cutoff valve 12 has a float switch 11 connected to the upstream side and a switching valve 13 connected to the downstream side.
  • the shut-off valve 12 is an electromagnetic valve, for example, and opens and closes the valve according to the detection result of the gasoline liquid by the float switch 11.
  • the shut-off valve 12 is open during normal operation such as when the apparatus is in operation, and is closed when a predetermined amount of gasoline liquid is mixed with the float switch 11.
  • the float switch 11 includes a float 11c provided on a stem 11b in the casing 11a, a lower limit stopper 11d for detecting a lower limit amount of gasoline liquid in the casing 11a, and a gasoline in the casing 11a.
  • the float 11c rises.
  • the float switch 11 is turned on and the shutoff valve 12 is closed.
  • the float 11c opens to the position of the lower limit stopper 11d by opening the drain cock 11i and discharging the gasoline liquid in the casing 11a to the outside. Thereby, the ON state of the float switch 11 is canceled and the OFF state is set, and the shutoff valve 12 can be opened. In order to open the shutoff valve 12, for example, it is necessary to reset the vapor recovery apparatus 1.
  • the switching valve 13 has a shutoff valve 12 connected to one upstream side, a vacuum pump 21 connected to the other upstream side, and a compression pump 14 connected to the downstream side.
  • the compression pump 14 sucks and collects the gasoline vapor through the vapor collection line 6 and discharges the sucked and collected gasoline vapor to a condenser 15 described later.
  • the condenser 15 extracts the liquefied gasoline and water by cooling and condensing the gasoline vapor discharged from the compression pump 14.
  • the gasoline vapor When the gasoline vapor is liquefied, it can be performed, for example, by using an external cooling means or by circulating the gasoline itself. A part of the gasoline vapor is not liquefied and becomes residual vapor.
  • the liquefied gasoline, water, air and residual vapor extracted by the condenser 15 are guided to the gas-liquid separation tank 16.
  • the gas-liquid separation tank 16 separates each gas composed of liquefied gasoline, water, air and residual vapor guided from the condenser 15 and stores the liquefied gasoline and water in a state where they are separated according to the difference in specific gravity. The remaining vapor is guided to the concentration increasing device 20 described later.
  • the liquefied gasoline stored in the gas-liquid separation tank 16 is guided to the liquid return line 7 via the liquid return valve 17 and discharged to the underground tank 2 when a predetermined amount is stored. Further, when a predetermined amount of water stored in the gas-liquid separation tank 16 is stored, the water is guided to the water return line 9 via the water return valve 18 and discharged to the outside.
  • the switching valve 19 has a gas-liquid separation tank 16 connected to the first upstream side, a concentration device 20 connected to the second upstream side and the first downstream side, and a vacuum on the second downstream side.
  • a pump 21 is connected.
  • the switching valve 19 guides the air and the residual vapor guided from the gas-liquid separation tank 16 to the first upstream side to the high concentration device 20 via the first downstream side.
  • the high concentration device 20 increases the concentration of the remaining vapor and discharges it.
  • the residual vapor discharged from the high concentration device 20 is guided to the vacuum pump 21 via the second upstream side and the second downstream side of the switching valve 19. Further, the concentration increasing device 20 adjusts the pressure of air via the pressure adjusting valve 22 and releases the air into the atmosphere.
  • the switching valve 19 is connected to one end of the vacuum pump 21 and the switching valve 13 is connected to the other end.
  • the vacuum pump 21 sucks the high concentration residual vapor and discharges it to the switching valve 13 side.
  • the float switch 11 for detecting the mixing of gasoline liquid into the gasoline vapor will be described with reference to FIG.
  • the float switch 11 in a normal state, the float switch 11 is in an OFF state and the shutoff valve 12 is in an open state.
  • the gasoline vapor mixed with the gasoline liquid is sucked and injected into the casing 11a via the vapor suction port 11f, the gasoline vapor is discharged via the vapor discharge port 11g, while the mixed gasoline liquid Is stored in the casing 11a.
  • the float 11c rises according to the level of the gasoline liquid in the casing 11a.
  • the float switch 11 is turned on, whereby the shut-off valve 12 is instantly closed and the operation of the vapor recovery apparatus 1 is stopped.
  • the vapor discharge port 11g for discharging the gasoline vapor is positioned above the vapor suction port 11f. Therefore, even when the gasoline liquid is mixed into the gasoline vapor, the gasoline liquid is passed through the vapor discharge port 11g. Will not be discharged. Therefore, inflow of gasoline liquid to the subsequent stage of the float switch 11 can be prevented, and damage to the compression pump 14 can be prevented.
  • the drain cock 11i is operated to discharge the gasoline liquid in the casing 11a through the gasoline liquid discharge port 11h, and the float 11c is lowered from the position of the upper limit stopper 11e.
  • the vapor recovery apparatus 1 can be recovered by releasing the ON state of the float switch 11 and resetting the vapor recovery apparatus 1.
  • the flow of processing by the vapor recovery apparatus 1 when a flow rate pulse can be acquired from the weighing machine 3 will be described with reference to FIG.
  • the vapor recovery apparatus 1 when the gasoline vapor is sucked and recovered, the refueling state of the weighing machine 3 is determined. In this example, the refueling state is determined based on the flow rate pulse acquired from the weighing machine 3.
  • step S1 the presence or absence of a flow pulse is determined.
  • the compression pump 14 and the vacuum pump 21 are turned on, and the gasoline vapor is sucked and collected (step S2).
  • step S1; No the flow rate pulse is not generated (step S1; No)
  • step S3 it is determined whether or not the float switch 11 is ON.
  • step S3 it is determined that the float switch 11 is ON.
  • step S3 the shutoff valve 12 is closed and the compression pump 14 and the vacuum pump 21 are turned off.
  • step S4 the suction and recovery of gasoline vapor is stopped.
  • step S3 the process returns to step S1.
  • step S5 it is determined whether or not the float switch 11 is OFF. If it is determined that the float switch 11 is OFF (step S5; Yes), a reset process for the vapor recovery apparatus 1 is performed. As a result, the vapor recovery apparatus 1 is initialized, and the float switch 11 is restored to the ON state. On the other hand, when it is determined that the float switch 11 is ON (step S5; No), the process of step S5 is repeated until the float switch 11 is turned OFF.
  • the vapor collection device 1 determines the fueling state based on a signal indicating the state of the fueling pump that can be acquired from the measuring machine 3.
  • step S11 it is determined whether or not the fuel pump is ON.
  • step S11 it is determined that the oil supply pump is ON (step S11; Yes)
  • step S11; No the compression pump 14 and the vacuum pump 21 are turned ON, and the gasoline vapor is suctioned and recovered (step S12).
  • step S11; No it is determined that the fuel pump is not ON (step S11; No)
  • step S13 it is determined whether or not the float switch 11 is ON.
  • step S13; Yes the shutoff valve 12 is closed and the compression pump 14 and the vacuum pump 21 are turned off.
  • step S14 the suction and recovery of gasoline vapor is stopped.
  • step S13; No the process returns to step S11.
  • step S15 it is determined whether or not the float switch 11 is OFF. If it is determined that the float switch 11 is OFF (step S15; Yes), a reset process for the vapor recovery apparatus 1 is performed. As a result, the vapor recovery apparatus 1 is initialized, and the float switch 11 is restored to the ON state. On the other hand, when it is determined that the float switch 11 is ON (step S15; No), the process of step S15 is repeated until the float switch 11 is turned OFF.
  • the mixture of gasoline liquid into the gasoline vapor is detected at the front stage of the compression pump, and when the mixed gasoline liquid reaches a predetermined amount, the shutoff valve is closed and the device Since the operation is stopped, the gasoline liquid can be prevented from flowing into the apparatus, and the compression pump can be prevented from being damaged by the gasoline liquid.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

[Problème] Prévenir l'aspiration erronée d'essence et prévenir la rupture d'un dispositif de récupération de vapeur. [Solution] La présente invention concerne un dispositif de récupération de vapeur (1) qui est pourvu d'une pompe de compression (14) qui est disposée dans une ligne de récupération de vapeur (6) ayant une extrémité raccordée à un réservoir souterrain (2), et aspire la vapeur d'essence intérieure du réservoir souterrain (2), et un condenseur (15) qui est raccordé au coté aval de la pompe de compression (14) et condense la vapeur d'essence, et est également pourvu d'un interrupteur à flotteur (11) qui récupère la vapeur d'essence dans le réservoir souterrain (2), est disposé sur le côté amont de la pompe de compression (14) et détecte l'essence s'écoulant via la ligne de récupération de vapeur (6), et un robinet d'arrêt (12) qui ouvre ou ferme une vanne en fonction du résultat de la détection par l'interrupteur à flotteur (11). L'interrupteur à flotteur (11) détecte l'écoulement en entrée de l'essence lorsqu'un flotteur (11c) a été élevé à une position prédéterminée par l'essence dans un boîtier (11a).
PCT/JP2014/072722 2014-07-23 2014-08-29 Dispositif de récupération de vapeur Ceased WO2016013128A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480002596.7A CN106660778A (zh) 2014-07-23 2014-08-29 蒸气回收装置
JP2015509655A JP6347253B2 (ja) 2014-07-23 2014-08-29 ベーパ回収装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-149592 2014-07-23
JP2014149592 2014-07-23

Publications (1)

Publication Number Publication Date
WO2016013128A1 true WO2016013128A1 (fr) 2016-01-28

Family

ID=55162680

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/072722 Ceased WO2016013128A1 (fr) 2014-07-23 2014-08-29 Dispositif de récupération de vapeur

Country Status (5)

Country Link
JP (1) JP6347253B2 (fr)
KR (1) KR101606038B1 (fr)
CN (1) CN106660778A (fr)
TW (1) TWI629091B (fr)
WO (1) WO2016013128A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109476474A (zh) * 2016-05-10 2019-03-15 托克海姆控股有限责任公司 燃料储存和分配设备
JP2019167130A (ja) * 2018-03-23 2019-10-03 株式会社タツノ 懸垂式給油装置
CN110902181A (zh) * 2019-11-14 2020-03-24 山东鑫福测控技术有限公司 一种储罐油气回收系统及其控制方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108383073A (zh) * 2018-03-19 2018-08-10 广东壹嘉电气科技有限公司 一种油气监控系统
JP7107799B2 (ja) * 2018-09-26 2022-07-27 トキコシステムソリューションズ株式会社 液体燃料供給装置
KR20200108756A (ko) * 2019-03-11 2020-09-21 가부시끼가이샤 다쓰노 급유장치
KR20230028332A (ko) 2023-02-09 2023-02-28 신덕만 한손사용가능한독서대

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5064014U (fr) * 1973-10-12 1975-06-10
JPS52139521U (fr) * 1976-04-19 1977-10-22
JPH0516997A (ja) * 1991-07-04 1993-01-26 Tatsuno Co Ltd 給油装置
JPH11116000A (ja) * 1997-10-16 1999-04-27 Tatsuno Corp 給油装置
JP2002317711A (ja) * 2001-04-24 2002-10-31 Nissan Motor Co Ltd 給油システム
JP2010030622A (ja) * 2008-07-25 2010-02-12 Tokiko Techno Kk ベーパ回収システム
JP2012121000A (ja) * 2010-12-10 2012-06-28 Tatsuno Corp ベーパ回収装置
JP2014076829A (ja) * 2012-10-11 2014-05-01 Tatsuno Corp ベーパ回収装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW232703B (en) * 1992-12-07 1994-10-21 Woei-Min Chang Wasted heat drive refinery's petroleum gas recovery apparatus
KR101183191B1 (ko) 2012-01-31 2012-09-21 주식회사 코아 에프앤티 유증기 회수장치
CN203359961U (zh) * 2013-05-24 2013-12-25 浙江华亿工程设计有限公司 带浮球阀的加油机构

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5064014U (fr) * 1973-10-12 1975-06-10
JPS52139521U (fr) * 1976-04-19 1977-10-22
JPH0516997A (ja) * 1991-07-04 1993-01-26 Tatsuno Co Ltd 給油装置
JPH11116000A (ja) * 1997-10-16 1999-04-27 Tatsuno Corp 給油装置
JP2002317711A (ja) * 2001-04-24 2002-10-31 Nissan Motor Co Ltd 給油システム
JP2010030622A (ja) * 2008-07-25 2010-02-12 Tokiko Techno Kk ベーパ回収システム
JP2012121000A (ja) * 2010-12-10 2012-06-28 Tatsuno Corp ベーパ回収装置
JP2014076829A (ja) * 2012-10-11 2014-05-01 Tatsuno Corp ベーパ回収装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109476474A (zh) * 2016-05-10 2019-03-15 托克海姆控股有限责任公司 燃料储存和分配设备
JP2019167130A (ja) * 2018-03-23 2019-10-03 株式会社タツノ 懸垂式給油装置
CN110902181A (zh) * 2019-11-14 2020-03-24 山东鑫福测控技术有限公司 一种储罐油气回收系统及其控制方法

Also Published As

Publication number Publication date
TWI629091B (zh) 2018-07-11
JPWO2016013128A1 (ja) 2017-04-27
CN106660778A (zh) 2017-05-10
JP6347253B2 (ja) 2018-06-27
KR101606038B1 (ko) 2016-03-25
KR20160012058A (ko) 2016-02-02
TW201603874A (zh) 2016-02-01

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