EP2163510A2 - Dispositif de dépôt de liquide à partir d'un réservoir et procédé de vidage des résidus d'une section de conduite - Google Patents

Dispositif de dépôt de liquide à partir d'un réservoir et procédé de vidage des résidus d'une section de conduite Download PDF

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Publication number
EP2163510A2
EP2163510A2 EP20090011172 EP09011172A EP2163510A2 EP 2163510 A2 EP2163510 A2 EP 2163510A2 EP 20090011172 EP20090011172 EP 20090011172 EP 09011172 A EP09011172 A EP 09011172A EP 2163510 A2 EP2163510 A2 EP 2163510A2
Authority
EP
European Patent Office
Prior art keywords
line
line section
tank
side end
end portion
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.)
Granted
Application number
EP20090011172
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German (de)
English (en)
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EP2163510B1 (fr
EP2163510A3 (fr
Inventor
Alfred Böhm
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.)
Bartec Benke GmbH
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Bartec GmbH
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Filing date
Publication date
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Publication of EP2163510A2 publication Critical patent/EP2163510A2/fr
Publication of EP2163510A3 publication Critical patent/EP2163510A3/fr
Application granted granted Critical
Publication of EP2163510B1 publication Critical patent/EP2163510B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3115—Gas pressure storage over or displacement of liquid
    • Y10T137/3127—With gas maintenance or application

Definitions

  • the invention relates to a device for dispensing liquid from a tank according to the preamble of claim 1.
  • a device for dispensing liquid from a tank according to the preamble of claim 1.
  • Such a device comprises the following features: a line section, which is formed at a tank-side end portion for fluid communication with the tank, and which at one a supply line for gas, which is provided at the line section, and via which gas in the line section can be introduced, a Kirsabsperrventil for shutting off the line section, which between the tank-side end portion and the discharge-side end portion of the line section is provided, and a Entestungs effet, which branches off at a branch from the line section and opens at an intersection again in the line section, wherein the branch between the tank-side end portion and the Dunsabsperr Valve is arranged on the line section, and wherein the junction between the Dunsabsperrventil and the discharge-side end portion is arranged on the line section.
  • the invention further relates to a method for emptying a line section according to the preamble of claim 12.
  • a generic method is used for emptying a line section, which is formed at a tank-side end portion for fluid communication with a tank, which at a tank side end portion opposite, the discharge-side end portion has at least one discharge opening, and which has atechnischsabsperrventil for shutting off the line section, which is provided between the tank-side end portion and the discharge-side end portion of the line section.
  • the remaining product is delivered to the customer, whereby the quantity delivered can be measured by a separate measuring device.
  • the generic WO 2007/087849 A1 describes a device for dispensing a liquid from a tank with a delivery line, which is connected at its one end region via a bottom valve to the tank, and which has a gas separator in the line path.
  • a device for dispensing a liquid from a tank with a delivery line which is connected at its one end region via a bottom valve to the tank, and which has a gas separator in the line path.
  • means for discharging and dispensing residual liquid which is after shutting off the Tankabsperr adopted on the tank remote side of Tankabsperr adopted in the delivery line, and means for measuring the amount of residual liquid discharged.
  • the means for discharging and discharging residual fluid have a rind-off line which branches off from the delivery line at the gas separator and re-opens into the delivery line at a location further away from the tank.
  • the removal line allows the product change reliable emptying of the feed line including the gas separator, so that mixing can be prevented by residual amounts of liquid in dead spaces of the gas separator as far as possible.
  • the bottom valve of the tank is vented via a vent valve.
  • the PCT / EP2007 / 001833 relates to a device for quantity detection in the delivery of a gas containing liquid.
  • the device has a discharge line course, which initially rises after a pump and then drops again.
  • a Basaltmesser and a flow meter are provided for dispensing volume determination. Since here the degree of filling and thus the gas content is detected metrologically, a gas separator is unnecessary, which can simplify the emptying of the system during product change.
  • the DE 298 01 625 U1 describes a delivery device for larger quantities of liquid.
  • This device has a return line, with the residual fluid from the discharge line can be returned to the tank. Gas may be applied to the return line to drive off liquid in the return line.
  • the object of the invention is to develop a generic device and a generic method so that at low equipment cost a particularly thorough and reliable emptying of the line section is made possible even with more complex progressions of the line section.
  • a device according to the invention for dispensing liquid from a tank is characterized in that the supply device for gas for supplying compressed gas is formed in the line section.
  • pressurized gas for emptying the line section, pressurized gas is fed into the line section, wherein pressurized gas can be understood in particular to mean a gas which has a higher pressure compared to the surrounding atmospheric pressure.
  • pressurized gas can be understood in particular to mean a gas which has a higher pressure compared to the surrounding atmospheric pressure.
  • a compressed gas can displace the liquid volume to be dispensed automatically and set in motion.
  • the liquid to be discharged can also be transported up through complex line courses and, for example, down a slope.
  • the compressed gas may in particular be compressed air.
  • the compressed gas expediently has a pressure which is at least 10% above the atmospheric ambient pressure.
  • the pressure can be 0.1 bar to 10 bar, in particular 1 bar to 8 bar, preferably 2 bar to 3 bar above the atmospheric pressure.
  • the compressed gas should act from above on the liquid to be displaced. This can be counteracted undesirable foaming of the liquid. Because by a gas from above can be prevented that when displacing the product compressed air bubbles through the product, which in turn could lead to foaming, especially if it is the displaced product is heating oil. It is therefore advantageous that the compressed gas pushes down the liquid to be displaced in the entire line section from above.
  • the gas is introduced by means of the feed device at the highest point of the line section in the line section.
  • the supply device for gas is arranged so that the gas is introduced by means of the feed device at the highest point of the line section in the line section.
  • the highest point at which the compressed gas is supplied can be provided (tank) end on the line section.
  • the highest point can also be arranged in a middle region along the line section.
  • the gas it may be preferable for the gas to be introduced into the line section by means of the feed device in an upper vertex area of the line section, wherein the highest point of the line section is preferably arranged in this vertex area.
  • a compensation line can be provided above this lower vertex area, which is released during the ratcheting.
  • This compensation line branches off on one line side of the lower vertex area from the line section and re-enters the line section on the other line side of the lower vertex area and thus forms a bypass of the lower vertex area.
  • communicating tubes can be formed via this line on both sides of the lower apex region, without gas having to be guided around the lower apex region. The gas can thus act to prevent foaming on both sides of the lower apex area from above the liquid to be displaced.
  • the compensation line can open at the highest point of the tank-side end portion in the line section, in particular on a tank valve and / or on the manifold.
  • the compensation line is switched according to the invention, so that they can be released only during the Entrestens.
  • a valve is expediently provided on the compensation line.
  • a particularly preferred embodiment is therefore that a switchable equalization line leads to the tank-side end region, preferably to the highest point of the tank-side end region, and preferably from a region of the line section lying in the region of the feed device for gas.
  • the gas is introduced by means of the feed line top side in the line section.
  • the upper side of the pipe is understood to mean an area which is in a cross-sectional view of the line section is on the upper side, so in particular the tube top.
  • a further preferred embodiment of the invention is that the gas supply device in the flow direction in front of the Kirsabsperrventil.
  • the compressed gas is supplied in a region in the line section, which is located between the tank and Maschinensabsperrventil.
  • the direction of flow during dispensing that is to say the direction of a flow directed from the tank-side end region to the dispensing-side end region, can be understood as meaning the direction of flow.
  • This arrangement of the compressed gas supply allows, as described below, a two-stage Entresten the line:
  • liquid in a first de-stemming phase, liquid can be displaced by means of the gas, which is located in the line section between the tank-side end region and the line shut-off valve, which is thus in the flow section upstream of the line shut-off valve in the line section, the line shut-off valve being closed at least in this de-staging phase.
  • the displaced in the first Entestungsphase fluid is expediently discharged via a Entstungstechnisch from the line section, and returned on the side facing away from the tank of the Maschinensabsperrventils back into the line section, so that the fluid does not flow back into the tank, but can be discharged.
  • a compensation line which bypasses this altitude minimum can ensure that the gas acts on both sides of the altitude minimum from above on the fluid. The gas therefore does not have to flow around the altitude minimum, which reduces foaming. Therefore, one in the compensation line arranged shut-off valve open especially in the first de-stemming phase.
  • the displaced liquid specifically the fluid located between the branch of the de-stemming line and the line shut-off valve, flows in the line section counter to the flow direction of the discharge before it reaches the de-stemming line at the branch and delivered.
  • the line shut-off valve can be opened, and liquid, which is located between the line shut-off valve and the discharge-side end portion, toward the discharge-side end portion, ie in the direction of flow of the discharge displaced. It can therefore be a multi-stage Entresten, for example, with at least partially oppositely directed flow directions of the residual liquid, can be provided. If a Entestungs effet is provided, which bypasses the Dunsabsperrventil, the Kirsabsperrventil can remain closed in the second Entestungsphase also, wherein the compressed gas then passes through the Entstungstechnisch on the tank remote from the Kausabsperrventils.
  • the gas supply means be upstream of the line shutoff valve in the flow direction.
  • the gas (tank) end is introduced at the line section in the line section.
  • the gas can be fed in the tank-side end region. Accordingly, it is advantageous that the supply device for gas in the tank-side end region and / or arranged in the flow direction is arranged in front of the branch of the rearing line, which, for example, allows a particularly simple construction.
  • the supply device for gas between the branch of the rearing line and the plinsabsperrventil is arranged on the line section.
  • the feeding device feeds the gas in a region into the line section which lies along the line section between the branch of the rearing line and the line stop valve.
  • the supply of the Entestungsgases therefore not end to the line section, but in a middle Area of the line section, to which the Entstungs effet forms a bypass. This can be advantageous in particular with complex line courses.
  • the liquid displaced during the first de-stemming phase can be returned to the line section via the de-stemming line on the side of the line shutoff valve facing away from the tank.
  • the multi-step Entresten which is possible by means of the inventive arrangement of the supply device for gas can be performed in a particularly simple manner by means of the inventively provided compressed gas, as by means of this compressed gas both entrainment phases can be performed without it being required, for example, the direction of a pump to change.
  • the line section of the invention may be formed, for example, as a pipe section.
  • the tank-side end region may, for example, have a connection flange.
  • at least one Tankabsperrventil is provided between the tank and the line section, then in the context of the de-stemming that liquid can be removed, which is after shutting off the Tankabsperrventils on the side facing away from the Tankabsperrventils.
  • the device for dispensing liquid from a tank for pump operation is provided.
  • a pump may be present, which is preferably arranged in the tank-side end region. But it can also be provided a pure gravity operation, in which no pump is required.
  • a dispensing valve may be provided, to which preferably a dispensing hose can connect.
  • the dispensing hose may be, for example, a full hose or an empty hose.
  • a further line section can also be connected to the dispensing opening, wherein the two line sections can also adjoin each other at the dispensing opening in cross section.
  • a plurality of dispensing openings may be provided.
  • the feed device for gas expediently has at least one supply line which, for example, between the branch of the rearing line and the Dunsabsperrventil or in the flow direction before the branch of the rearing line, opens into the line section, and which is connected to a pressure generating device in line connection.
  • a valve is provided on the supply line.
  • the line shutoff valve is preferably remotely operable and suitably has at least two switch positions, namely open line cross section and closed line cross section.
  • the Entestungs horrinus which is in line connection with the line section at the junction and at the junction forms in sections a bypass to the line section.
  • the Entestungs effet bypasses the Kirsabsperrventil, and depending on the arrangement of the gas supply and the gas supply, which is not mandatory.
  • the de-stemming line makes it possible, in the first de-staining phase with the line-type shut-off valve closed, to convey residual liquid which is located between the tank and the line-type shut-off valve to the discharge-side end region.
  • the roving line is formed with a smaller inner cross-section compared to the line section, wherein the inner cross-section may be smaller, in particular by at least a factor of 2.
  • the inner cross-section may be smaller, in particular by at least a factor of 2.
  • the optionally provided arrangement of the feeder between the branch and the plinsabsperrventil thus includes, for example, that the supply device along the line section viewed between the branch and the valve is located.
  • a de-stemming shut-off valve is provided on the de-stemming line.
  • the rind line can be locked in the second de-stemming phase, but also during the main delivery, so that unwanted product streams can be prevented.
  • the Entrestungsabsperrventil is suitably opened.
  • the Entrestungsabsperrventil is remote-controlled and has at least one open and a fully closed position.
  • the Entrestungsabsperrventil which is arranged on the Entstungs effet, is preferably provided in the region of the mouth of the Entrestungs effet. In this way it can be prevented that a significant residual volume of liquid remains in the rearing line.
  • the arrangement in the region of the confluence can be understood in particular to mean that the distance along the rearing line of the rinsing stop valve from the line section is smaller than the diameter of the line section in the region of the junction.
  • a further preferred embodiment of the invention consists in that the supply device for gas is arranged in the tank-side end region, or that the supply device for gas is arranged in the region of the line shut-off valve at the line section. Furthermore, it is particularly advantageous that the mouth of the rearing line is arranged in the region of the line shut-off valve on the line section.
  • the arrangement of the feed device and / or the junction directly at the line shutoff valve can be prevented from forming dead spaces in the area of the line shutoff valve, in which liquid could possibly remain behind during the individual de-staging phases.
  • the arrangement of the feed device and / or the de-entrainment line in the region of the line shut-off valve can be understood in particular to mean that no further valves and / or cross-sectional enlargements of the line section are provided between the feed device or the mouth and the line shutoff valve.
  • a further advantageous embodiment of the invention is that the line section has an upper vertex area.
  • the line section has a varying height, wherein in the upper vertex area an at least local height maximum is given.
  • existing gas fractions may accumulate automatically during the initial filling of the line section, so that a targeted venting of the line section during filling is possible.
  • the line shut-off valve and / or the gas supply device are arranged in the upper apex region of the line section. Such an arrangement may result in a top-to-bottom liquid flow occurring during one or both of the de-stemming phases. Since a flow directed from top to bottom is supported by gravity, this embodiment can result in a particularly effective emptying of the line section.
  • junction of the rearing line is arranged in the upper apex region of the line section, whereby a particularly compact structure and a reliable debris can be obtained.
  • a further preferred embodiment of the invention consists in that a ventilation device for venting the line section is arranged in the upper apex region of the line section.
  • the venting device may, for example, have a venting line, on which a venting valve is arranged, which can be opened for venting.
  • the vent line can be guided into the tank or in an intermediate container.
  • the intermediate container can be emptied periodically, for example once a day.
  • the branch of the rearing line is arranged in a lower vertex area of the line section. Also by this measure, the formation of undesirable dead spaces can be counteracted. If a pump is provided in the line section, it is particularly advantageous that the branch of the rind line is arranged on the pump, since such a pump is particularly susceptible to dead volumes due to the comparatively complex geometry. Accordingly, the pump is expediently arranged in the lower vertex area of the line section.
  • a further advantageous embodiment consists in that, for determining a dispensed quantity of liquid, in particular a dispensed liquid volume, a flow measuring device and a filling degree measuring device are arranged on the line section.
  • the flow measuring device which may be designed, for example, as a measuring turbine, the amount of fluid flowing in the line section per unit time can be determined.
  • the Gremerss Sharp allows a Determination of the liquid content in the flowing fluid, which may be reduced by gas inclusions.
  • By offsetting the values of the flow measuring device and the degree of filling measuring device it is possible to obtain a liquid volume value which is compensated with regard to possible gas admixtures.
  • the flow meter and the Greziersinnate are suitably arranged in a region of the line section, which is inclined relative to the horizontal plane, that has a varying height.
  • the two measuring devices are expediently arranged between the venting device and the discharge opening and / or between the line stop valve and the discharge opening on the line section.
  • the flow measuring device and the degree of filling measuring device are arranged between the junction of the rearing line and the discharge opening on the line section. This allows a measured de-stemming during the first de-stemming phase, since the fluid located upstream of the line stop valve, which is displaced in the first de-stemming phase via the entrusting line, flows past the measuring devices.
  • a possible development of the invention lies in the fact that a ventilation device for venting the line section is arranged on the line section on a side of the line shut-off valve facing away from the tank-side end region, in particular in the discharge-side end region.
  • the venting device may for example have a vent line, which is arranged on the line section.
  • at least one vent valve is provided on the vent line.
  • the vent line for example, open into a container.
  • air pockets which may form during filling of the device in an inclined position of the device in the discharge-side end region, and which can not flow to the upper apex area due to the inclination, may be dissipated.
  • the venting device can be arranged at the end of the line section.
  • the above-mentioned venting device may alternatively, but preferably be provided in addition to the aforementioned venting device in the upper apex area.
  • the above-mentioned venting device can be regarded as an independent invention aspect.
  • an inclinometer is provided for determining an angular position of the line section.
  • an inclination of the line section can be detected.
  • a control signal may e.g. for actuating the venting device and / or a warning signal are output.
  • the inclinometer is expediently connected to a horizontal part of a tank vehicle and can detect an inclination in order to be able to determine the remaining quantities remaining.
  • the inclinometer may be a 2-axis inclinometer.
  • the device according to the invention is expediently used for dispensing liquid from a tank of a tanker truck.
  • the device can be arranged on a tank truck.
  • the invention also relates to a tank arrangement with at least one tank and a device according to the invention for dispensing liquid from a tank, wherein the line section of the device according to the invention for dispensing liquid at its tank-side end region, in particular via a tank valve, is in fluid communication with the tank. It can also be provided several tank valves.
  • a method according to the invention is characterized in that pressurized gas is introduced into the line section between the tank-side end region and the line shut-off valve, whereby liquid is withdrawn from the line section during a first de-staging phase when the line shut-off valve is closed by means of the compressed gas, which is located in the line section between the tank-side end region and the Dunsabsperrventil is displaced, and is displaced during a subsequent second Entestungsphase, in particular with open Kausabsperrventil, by means of the compressed gas liquid, which is located in the line section between the Maschinensabsperrventil and the discharge-side end portion.
  • the line shut-off valve can be opened. If a removal line is provided which bypasses the line shut-off valve, the line shut-off valve can also remain closed in the second removal phase, wherein the compressed gas for emptying the area between the line shut-off valve and the discharge opening passes via the rearing line into the area between the line shut-off valve and the discharge opening.
  • a basic idea of the method according to the invention can be seen in a two-stage debarking method, wherein in the first de-stemming phase a line region upstream of the stop valve is emptied and in the second de-staining phase a line region downstream of the line stop valve.
  • upstream and downstream are intended to refer to the flow direction that occurs when the tank is emptied, ie at the main delivery.
  • the two-stage debarking allows a particularly thorough emptying of the line section, especially in complex line geometries.
  • the method according to the invention can be carried out in particular by means of a device according to the invention and / or a tank arrangement according to the invention, wherein the advantages explained in this connection can be achieved.
  • mentioned aspects of the invention can also be used in the device according to the invention and in the tank arrangement according to the invention.
  • aspects of the invention which are mentioned in connection with the device according to the invention and the tank arrangement according to the invention, can be used in the method according to the invention.
  • a preferred embodiment of the method is that, during the first de-stemming phase, liquid which is located in the line section between the tank-side end region and the line shut-off valve is displaced at least partially in the direction of the tank-side end region, and during the subsequent second de-stiffening phase, liquid which is in the Line portion between the Kraftsabsperrventil and the discharge-side end portion is displaced in the direction of the discharge-side end portion.
  • the fluid displaced toward the tank-side end region is expediently removed from the line section via a rearing line and returned to the line section on the tank-remote side of the line shut-off valve, so that the fluid does not flow back into the tank but can be discharged.
  • the rind line branches in a middle region between the tank-side end region and the line shut-off valve from the line section so that the rind line flows fluid from both sides of the line section during the first rag-off phase.
  • partially different flow directions of the liquid are provided in the individual de-staging phases in the line section, which allows a particularly efficient de-staining, particularly in the case of complex line geometries.
  • a Entrustungs effet is provided which branches off at a branch from the line section and opens at an intersection again in the line section, wherein the branch between the tank-side end portion and the Kausabsperrventil is arranged on the line section, and wherein the junction between the line shut-off valve and the discharge-side end portion is disposed at the pipe portion, and that during the first de-stemming phase liquid located in the pipe portion between the tank-side end portion and the line shutoff valve is discharged from the pipe portion via the de-stemming pipe and between the pipe-cut valve and the discharge-side end portion is returned to the line section.
  • the liquid that is displaced from the tank-facing line region of the line section during the first de-stemming phase is removed via the rearing line and re-introduced into the line section in the region facing away from the tank.
  • the displaced during the two de-stemming phases liquid can thus be discharged through one and the same opening, in particular via the discharge opening.
  • a Entrestungsabsperrventil is arranged on the Entstungs effet, which is opened in the first de-stemming phase and is preferably closed in the second de-stiffening phase.
  • a particularly rapid de-stemming can be arranged on the rotting line and a pump with which befindliches in the rind line fluid can be promoted.
  • a further advantageous development of the method is given by the fact that in the line section between the Kirsabsperrventil and the discharge-side end portion and / or in the Entstungs ein a filling level is detected, and that the first Entestungsphase is terminated when the detected filling level reaches a predetermined value. This can happen automatically, for example, via a controller.
  • the first de-stemming phase can therefore be terminated, in particular, when the detected filling level reaches a predetermined lower value.
  • the filling level can be measured continuously or stepwise, and it may be sufficient to distinguish whether there is still a residual level at the measuring point or if vacancy is present.
  • the filling level detection can also be done by means of a vacancy sensor.
  • the level measurement can in principle also be carried out by means of the filling degree measuring device, which is provided for metering quantity measurement.
  • the degree of filling measuring device is preferably based on an electric field, which is generated in the interior of the degree of filling measuring device. It can work in particular capacitive. With a filling degree measuring device according to the invention, it is possible to continuously measure the filling level in the filling degree measuring device. If the level meter is used for level measurement, the measured fill level is proportional to the level.
  • a discharge quantity measurement is carried out in the line section, in particular between the line shut-off valve and the discharge-side end area, preferably between the junction of the rennet line and the discharge-side end area.
  • the quantity measurement can be carried out at least in the first de-stemming phase, which is particularly advantageous if the volume displaced during the de-stemming phase is released from the plant and transferred to a customer, so that for billing purposes the most accurate knowledge of the delivery volume is required.
  • the quantity measurement may in particular be a volume measurement.
  • a filling degree measuring device and a flow measuring device are expediently provided for the measurement, the results of which are offset against one another in order to contain liquid volume values in which possible gas impacts are taken into account.
  • the dispensing amount measurement is stopped at the beginning or in the course of the second de-staining phase and a previously determined value is added to the measured dispensing quantity.
  • a previously determined value is added to the measured value obtained so far, which represents the volume of liquid contained in the discharge-side end region, and which can be determined, for example, beforehand by checking the line segment.
  • the predetermined value can also be compensated with regard to gas fractions which were previously determined by means of the degree of filling measuring device.
  • an overpressure in the line section is reduced by means of at least one venting device, wherein a venting device is arranged in particular in an upper apex region of the line section or / and in the discharge-side end region. This allows reliable refilling.
  • the liquid which is displaced from the line section in the first and / or in the second de-stemming phase, is conveyed back into the tank or is discharged via the discharge opening.
  • the device according to the invention can be designed, in particular, as a heating oil measuring system, preferably with measured residual emptying.
  • the liquid can thus be fuel oil, but also another fuel, or milk, for example.
  • a first embodiment of a device according to the invention for dispensing liquid from a tank is in the Figures 1 and 2 shown.
  • a tank 1 is provided, on the bottom side of which a tank valve 2 designed as a bottom valve is arranged.
  • the tank 1 is connected to a manifold 3 in fluid communication, in Fig. 1 only shown in sections.
  • the tanks can be designed in particular as tank segments.
  • the device according to the invention has a line section 10, which is in fluid communication with the tank 1 at a tank-side end region 11 with the manifold 3 and thus via the tank valve 2.
  • the conduit section 10 has two delivery openings 30, 30 '.
  • the conduit section 10 has a series of adjacent conduit sections 13, 14, 15, 16 and 17, each having a different orientation with respect to a horizontal surface.
  • the first line region 13 is adjoined by a second line region 14, in which the line height increases with increasing distance from the tank-side end region 11.
  • the second line region 14 is adjoined by a third line region 15, which runs essentially horizontally.
  • a fourth line region 16 which runs obliquely with respect to the horizontal and in which the line height decreases with increasing distance from the tank-side end region 11, in turn adjoins this third line region 15.
  • This fourth line region 16 is adjoined in turn by a fifth line region 17, in which the line section 10 again runs at least approximately horizontally, and in which the discharge-side end region 12 is formed.
  • the third line region 15 forms an upper vertex region 19 of the line section 10.
  • a pump 9 for conveying liquid from the tank 1 is provided on the line section 10.
  • a distributor 21 is provided in the line section 10.
  • a stabilisabsperrventil 20 At this distributor 21 is followed in the further course of the line section 10 a Kirsabsperrventil 20.
  • a wetting sensor 22 adjoins the line shutoff valve 20 in the further line course.
  • the distributor 21, the Dunsabsperrventil 20 and the wetting sensor 22 are arranged in the horizontal third line region 15.
  • the screen 23 serves to keep larger particles from a measuring section consisting of Drgradmess issued 6 and flow meter 7 and optionally flow straightener 24.
  • the Gregradmess issued 6 operates capacitively and has a line cross-section arranged capacitor plate stack, the is electrically used for measuring the degree of filling, and on the other hand can also act as a flow straightener.
  • the flow rectifier 24 is designed as a tube bundle flow rectifier.
  • the flow measuring device 7 is designed as a volumetric meter, in particular as an indirect volumetric meter, for example as a measuring turbine.
  • the valve 25 is designed as a multi-function valve, which can regulate the flow, for example, in two stages.
  • a discharge with full pumping power (eg 800 l / min) may be provided and in the second stage a capacity ⁇ 200 l / min for delivery in tanks without a filling safety device.
  • the valve 25 may have a cushioning and pressure compensation and optionally a check valve.
  • the liquid content in the line cross-section can be determined independently of where gas inclusions are located and whether there is a contiguous interface between liquid and gas. Under certain circumstances, this may only be possible to a limited extent with optical sensors.
  • a further wetting sensor 27 and the two discharge ports 30, 30 'at are arranged in the horizontal fifth conduit area 17.
  • the wetting sensor 27 is arranged in the horizontal fifth line region 17.
  • a hose connection 32 or 32' for a full hose or an empty hose is provided via a dispensing valve 31 or 31 '.
  • the fourth line region 16 with the measuring path and the second line region 14 are provided obliquely, so that these line regions can independently degas during filling, with the gas collecting in the third line region 15 in the area between the distributor 21.
  • venting device 60 For degassing the system in the third line region 15 during filling a venting device 60 is provided.
  • the venting device 60 has a vent line 61, which is connected via a common line piece 63 on the manifold 21 on the line section 10. At its the line section 10 facing away End, the vent line 61 leads into the tank 1 or in an intermediate container, not shown.
  • a vent valve 62 is provided in the course of the vent line 61.
  • a feed device 40 is provided for gas.
  • This feeder 40 has a feed line 41, which is connected to the common line piece 63.
  • the supply line 41 communicates with a compressed gas device, not shown, so that via the supply line 41 at the distributor 21, thus at the third line region 15 and at the upper apex region 19, compressed gas in the line section 10 can be introduced.
  • a valve 42 is provided in the supply line 41.
  • the device of Figures 1 and 2 further comprises a rearing line 50, which branches off at a branch 51 from the line section 10 and opens at a junction 52 again in the line section 10.
  • the branch 51 is arranged on the tank-facing side of the Dunsabsperrventils 20 at the line section 10, namely at the lower vertex area 18 on the pump 9.
  • the junction 52 is provided on the tank remote side of the Kirsabsperrventils 20 at the line section 10, namely at the transition between the third line area 15 and the fourth line region 16 in the region of the wetting sensor 22.
  • a further wetting sensor 54 is provided on the rearing line 50.
  • a rinsing shut-off valve 53 is provided on the rearing line 50. This valve is usually in the immediate vicinity of the measuring section, ie in the region of the junction 52, and is shown here only for the sake of clarity below.
  • a pump 99 can also be arranged in the rearing line 50.
  • a compensation line 90 is provided with a valve 91.
  • This compensating line 90 forms above for the purpose of non-foaming entraining
  • the gas can thus act from above on the liquid to be displaced, so that a bubbling through of the liquid is avoided and the risk of foaming is reduced.
  • the valve 91 is thus closed during the main delivery and only open during the de-stemming, in particular during the first de-stemming phase.
  • the equalizing line 90 opens suitably in the region of the manifold 3 and / or the tank valve 2 in the line section 10 a.
  • the compensation line 90 can also branch off from the third line section 15.
  • a further wetting sensor 66 is provided at the distributor 21, ie at the third line region 15 of the line section 10.
  • a temperature sensor 65 for detecting the temperature of the liquid flowing in the line section 10 is provided on the distributor 21.
  • This temperature sensor 65 which is only in Fig. 2 is shown, is used for volume conversion. It can also serve to make a statement on the viscosity of the product and thus increase the accuracy of measurement. For this purpose, viscosity curves can be used, which are deposited for known products.
  • a first pressure sensor 67 is arranged between the tank-side end region 11 and the flow measuring device 7, preferably between the sieve 23 and the flow measuring device 7, in particular between the degree of filling measuring device 6 and the flow rectifier 24.
  • Another pressure sensor 68 may be provided between the flow meter 7 and the discharge side end portion 12.
  • the pressure sensor 67 optionally in conjunction with the further pressure sensor 68, can also be used to determine the viscosity and, derived therefrom, be corrected in accordance with the measured value for the volume dispensed, knowing the delivery rate of the pump 9 and optionally the currently measured flow rate of the product.
  • a pressure sensor 67 'for measuring the pressure prevailing in the line section 10 is provided on the distributor 21.
  • a further venting device 70 is provided at the discharge-side end portion 12 of the line section 10, in particular on an end plate of the line section 10.
  • This has a vent line 71, which is on the one hand with the line section 10 and on the other hand with a container 73 in line connection, and on which a valve 72 is arranged.
  • the device further comprises a preferably biaxial inclinometer 4, which in particular can be fixedly connected to the horizontal part of a tank vehicle, and which can serve to control the venting device 70.
  • a pressurized ventilation line 36, 36' are arranged, in each of which a valve 37 or 37 'is arranged.
  • the device according to the invention can have an electronic control and computing electronics which receives measurement signals of the individual sensors and measuring devices and controls the individual valves and preferably also the pump in accordance with the measuring and functional sequence.
  • the illustrated device can be operated as follows:
  • the line section 10 is empty at the beginning of dispensing, it must be filled with the desired product.
  • designed as a bottom valve valve 2 of the desired product tank 1 is opened.
  • the Kausabsperrventil 20 and the vent valve 62 are opened, whereas the discharge valves 31, 31 'are closed.
  • liquid flows from the tank 1 in the line section 10. This can be done solely by gravity or with the aid of the pump 9, which can be operated for initial filling at a slow speed. Due to the inclination of the second line region 14 and the fourth line region 16, this gas moves due to its buoyancy to the intermediate third line region 15, from which it via the vent line 61 with the open vent valve 62 is discharged.
  • the air can, as shown in the figure, be discharged into the tank 1, but in principle also in another tank, container or in the ambient air.
  • the desired dispensing valve 31 or 31 ' is opened, so that the desired hose connection 32 or 32' can be charged.
  • the hose connection 32 leads to a full hose and the hose connection 32 'to an empty hose. There may also be two or more full hoses with associated dispensing valves.
  • the desired tank valve 2 is also open for delivery and the pump 9 in operation.
  • This pump 9 delivers liquid from the tank 1 via the line section 10 to the desired hose connection 32 or 32 '.
  • the conveyed liquid flows through the filling degree measuring device 6 and the flow measuring device 7. Based on the measured values of these two measuring devices 6 and 7, the delivery volume can be determined, wherein the measured values can be compensated by means of the filling degree measuring device 6 with regard to gas fractions.
  • the procedure may be as follows: If a desired preset quantity is reached, the pump 9 is stopped. The line section 10 is then de-rested. For this purpose, the tank valve 2 is closed. Moreover, the Kirsabsperrventil 20 is closed in the upper apex portion 19 for the first Entestungsphase. The rinse-off valve 53 and the valve 42 of the gas supply means 40 are opened. Likewise, the shut-off valve 91 is opened. Via the valve 42 and the feed line 41 of the feed device 40 for gas compressed air enters the in Fig. 1 The left side of theönsabsperrventils 20 located portion of the line section 10 and via the line 90 with the now open valve 91 in the manifold 3. The compressed air displaces the product via the Entstungstechnisch 50 in the measuring section with the Gregradmess issued 6 and the flow measuring device 7. The amount of this displaced product is measured.
  • the de-entesting shut-off valve 53 for the second de-stemming phase is closed.
  • the line shut-off valve 20 is opened and in the following second de-stemming phase the remainder of the line section (in FIG Fig. 1 right ofönsabsperrventils 20) pressed empty.
  • the line stop valve 20 may remain closed for the second de-stemming phase and the de-stub shut-off valve 53 may remain open. The region of the line section 10 located downstream of the line shut-off valve 20 is then depressed via the rearing line 50.
  • the measuring pulses of e.g. as Turbinenradmesswertgeber trained flow device 7 is no longer registered by the control electronics.
  • a residual volume which was previously determined empirically by evaluation, is added to the previously measured volume.
  • the second de-staining phase is maintained until the wetting sensor 27 no longer detects liquid in the discharge-side end region 12.
  • the opened dispensing valve 31 or 31 ' is then closed, as well as the compressed air supply by closing the valve 42.
  • the entire line system including line section 10 and manifold 3 is now approximately free of product.
  • An optionally existing overpressure in the line section 10 can be reduced via the venting devices 60 and / or 70 by opening the valve 62 or 72.
  • the system can now be filled with another product.
  • the full hose provided, for example, at the hose connection 32 is also to be emptied, this is done with the valve 31 closed by opening the valve 37 and pressurizing the hose connection 32 with the full hose via the ventilation line 36.
  • the discharged from the full hose amount can be pumped into an intermediate tank or in the original tank 1. Alternatively, the quantity can be dispensed. If the amount is dispensed into the customer's tank, then the amount of delivery is added to the known amount in the tube, and also air inclusions, which were previously detected by the Gregradmess worn 6, can be followed by calculation over the determined flow rate and taken into account.
  • the empty tube arranged on the hose connection 32 'can likewise be emptied by the application of compressed air via the ventilation line 36' or by gravity.
  • FIG Fig. 3 A further embodiment of a device according to the invention for carrying out the method according to the invention is shown in FIG Fig. 3 shown.
  • the Fig. 3 illustrated embodiment differs from the embodiment of the Fig. 1 only by that after Fig. 3 an additional return line 80 is provided.
  • the elements contained in both embodiments will therefore not be discussed again in detail at this point.
  • the return line 80 branches in the discharge-side end region 12 in the fifth line region 17 of the line section 10 from the line section 10 and leads into the tank 1.
  • a valve 81 is disposed on the return line 80. If several tanks 1 are provided, a plurality of return lines 80 'can accordingly be provided.
  • the return line 80 makes it possible to return the product displaced during the annealing to the original tank 1, instead of delivering it via the discharge openings 30, 30 '.
  • the Kirsabsperrventil 20 is opened and pushed out the rest of the liquid or alternatively the Kirsabsperrventil 20 is kept closed and for the second Entestungsphase the Entestungsabsperrventil 53 is kept open, so that the flow direction behind the Kirsabsperrventil 20 located portion of the line section 10 is depressed via the Entstungs effet 50.
  • the wetting sensor 27 responds, pressurized gas will continue to be supplied for some time to also empty the conduit 80.
  • the complete emptying of the line section 10 can be monitored, for example via the pressure sensors 67, 67 'and / or 68 and in particular be detected as a pressure drop.
  • Fig. 3 Like the plant of Fig. 1 can also be the attachment of Fig. 3 be used for not displacing the entpresten displaced liquid in the tank 1 but to deliver.
  • the valve 81 is closed when Entresten and instead the desired dispensing valve 31 or 31 'is opened.
  • a delivery may be provided in an intermediate tank, in which embodiment, not shown, the return line 80 may lead into the subtank.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP20090011172 2008-09-15 2009-08-31 Dispositif de dépôt de liquide à partir d'un réservoir et procédé de vidage des résidus d'une section de conduite Active EP2163510B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810047122 DE102008047122A1 (de) 2008-09-15 2008-09-15 Vorrichtung zur Abgabe von Flüssigkeit aus einem Tank und Verfahren zur Restentleerung eines Leitungsabschnittes

Publications (3)

Publication Number Publication Date
EP2163510A2 true EP2163510A2 (fr) 2010-03-17
EP2163510A3 EP2163510A3 (fr) 2011-08-31
EP2163510B1 EP2163510B1 (fr) 2012-12-05

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EP20090011172 Active EP2163510B1 (fr) 2008-09-15 2009-08-31 Dispositif de dépôt de liquide à partir d'un réservoir et procédé de vidage des résidus d'une section de conduite

Country Status (5)

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US (1) US8196904B2 (fr)
EP (1) EP2163510B1 (fr)
CA (1) CA2676612C (fr)
DE (1) DE102008047122A1 (fr)
ES (1) ES2401257T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2325615A3 (fr) * 2010-11-11 2013-07-17 Schwarte Jansky Gmbh Dispositif et procédé de détermination de quantités lors du dépôt d'une boisson contenant du dioxyde de carbone à partir d'un réservoir de livraison ou lors de la récupération de cette boisson à partir d'un réservoir de récupération

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DE102008063779A1 (de) * 2008-12-18 2010-10-14 Bartec Gmbh Verfahren und Vorrichtung zur Übergabe einer zumindest zeitweise einen Gaseinschluss aufweisenden Flüssigkeit und zur Bestimmung der übergebenen Flüssigkeitsmenge
FR2969994B1 (fr) * 2011-01-05 2013-02-08 Hypred Dispositif de raccordement d'une cuve de stockage a une alimentation et procede de gestion d'un tel raccordement
DE102012200949A1 (de) * 2012-01-24 2013-07-25 BSH Bosch und Siemens Hausgeräte GmbH Tankauslass-Anschlussvorrichtung für Getränkezubereitungsvorrichtung
DE102016217979B4 (de) 2016-09-20 2019-12-12 Siemens Mobility GmbH Fahrzeugseitige Entleerungseinrichtung für Füllleitungen
GB2561563B (en) * 2017-04-18 2022-03-16 Mechtronic Ltd Fuel delivery apparatus and method
US11660646B2 (en) * 2020-11-03 2023-05-30 Oilmen's Truck Tanks, Inc. Fluid delivery system and method

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DE1235760B (de) 1966-04-30 1967-03-02 Ulrich Esterer Dr Ing Abgabeeinrichtung an Tankwagen
DE3007688A1 (de) 1980-02-29 1981-09-10 Haar Maschbau Alfons Vorrichtung zur verhinderung des mitmessens gasfoermiger beimengungen bei der abgabe von fluessigkeiten
DE19540884A1 (de) 1995-11-02 1997-05-07 Haar Maschbau Alfons Verfahren und Anlage zum Messen des Volumens durchströmender Flüssigkeiten
DE29801625U1 (de) 1997-02-04 1998-06-04 Maidment Tanker Services Ltd., Littlehampton, West Sussex Vorrichtung zur Auslieferung größerer Flüssigkeitsmengen
DE19733715C1 (de) 1997-08-04 1998-09-24 Haar Maschbau Alfons Verfahren und Anlage zur Abgabe von Flüssigkeit aus einem mehrere Kammern enthaltenden Tankwagen
DE19821559A1 (de) 1998-05-14 1999-11-18 Gossler Fluidtec Gmbh Verfahren und Einrichtung zur Abgabe meßbarer Mengen von unterschiedlichen Flüssigkeitssorten
DE20021937U1 (de) 2000-12-18 2002-04-25 Alfons Haar Maschb Gmbh & Co Anlage zur Abgabe von Flüssigkeit aus einem Tank durch Schwerkraft oder mit Hilfe einer Pumpe
WO2007087849A1 (fr) 2006-01-13 2007-08-09 Bartec Gmbh procede et dispositif de prelevement d'un fluide dans une cuve
DE202007012542U1 (de) 2007-09-06 2007-11-08 Alfons Haar Maschinenbau Gmbh & Co. Kg Vorrichtung zur Förderung von Flüssigkeiten

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CA2678471A1 (fr) 2007-03-02 2008-09-12 Bartec Gmbh Dispositif et procede de detection de quantite lors de la reception et/ou du prelevement d'un liquide contenant une fraction gazeuse

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Publication number Priority date Publication date Assignee Title
DE1235760B (de) 1966-04-30 1967-03-02 Ulrich Esterer Dr Ing Abgabeeinrichtung an Tankwagen
DE3007688A1 (de) 1980-02-29 1981-09-10 Haar Maschbau Alfons Vorrichtung zur verhinderung des mitmessens gasfoermiger beimengungen bei der abgabe von fluessigkeiten
DE19540884A1 (de) 1995-11-02 1997-05-07 Haar Maschbau Alfons Verfahren und Anlage zum Messen des Volumens durchströmender Flüssigkeiten
DE29801625U1 (de) 1997-02-04 1998-06-04 Maidment Tanker Services Ltd., Littlehampton, West Sussex Vorrichtung zur Auslieferung größerer Flüssigkeitsmengen
DE19733715C1 (de) 1997-08-04 1998-09-24 Haar Maschbau Alfons Verfahren und Anlage zur Abgabe von Flüssigkeit aus einem mehrere Kammern enthaltenden Tankwagen
DE19821559A1 (de) 1998-05-14 1999-11-18 Gossler Fluidtec Gmbh Verfahren und Einrichtung zur Abgabe meßbarer Mengen von unterschiedlichen Flüssigkeitssorten
DE20021937U1 (de) 2000-12-18 2002-04-25 Alfons Haar Maschb Gmbh & Co Anlage zur Abgabe von Flüssigkeit aus einem Tank durch Schwerkraft oder mit Hilfe einer Pumpe
WO2007087849A1 (fr) 2006-01-13 2007-08-09 Bartec Gmbh procede et dispositif de prelevement d'un fluide dans une cuve
DE202007012542U1 (de) 2007-09-06 2007-11-08 Alfons Haar Maschinenbau Gmbh & Co. Kg Vorrichtung zur Förderung von Flüssigkeiten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2325615A3 (fr) * 2010-11-11 2013-07-17 Schwarte Jansky Gmbh Dispositif et procédé de détermination de quantités lors du dépôt d'une boisson contenant du dioxyde de carbone à partir d'un réservoir de livraison ou lors de la récupération de cette boisson à partir d'un réservoir de récupération

Also Published As

Publication number Publication date
CA2676612C (fr) 2013-07-02
US20100078835A1 (en) 2010-04-01
US8196904B2 (en) 2012-06-12
CA2676612A1 (fr) 2010-03-15
EP2163510B1 (fr) 2012-12-05
DE102008047122A1 (de) 2010-04-22
EP2163510A3 (fr) 2011-08-31
ES2401257T3 (es) 2013-04-18

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