EP0330860B1 - Überwachungssystem für das Befüllen von Behältern - Google Patents

Überwachungssystem für das Befüllen von Behältern Download PDF

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Publication number
EP0330860B1
EP0330860B1 EP89101909A EP89101909A EP0330860B1 EP 0330860 B1 EP0330860 B1 EP 0330860B1 EP 89101909 A EP89101909 A EP 89101909A EP 89101909 A EP89101909 A EP 89101909A EP 0330860 B1 EP0330860 B1 EP 0330860B1
Authority
EP
European Patent Office
Prior art keywords
container
filling
hand
monitoring
connections
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.)
Expired - Lifetime
Application number
EP89101909A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0330860A1 (de
Inventor
Manfred Schirmacher
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.)
Manfred Schirmacher Te Bergkamen-Overberge Bondsr
Original Assignee
Schering AG
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 Schering AG filed Critical Schering AG
Priority to AT89101909T priority Critical patent/ATE71605T1/de
Publication of EP0330860A1 publication Critical patent/EP0330860A1/de
Application granted granted Critical
Publication of EP0330860B1 publication Critical patent/EP0330860B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B67D7/34—Means for preventing unauthorised delivery of liquid
    • B67D7/344—Means for preventing unauthorised delivery of liquid by checking a correct coupling or coded information
    • 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
    • B67D7/36—Arrangements of flow- or pressure-control valves

Definitions

  • the invention relates to a monitoring system according to the preamble of claim 1.
  • the liquids to be handled here can be, for example, water-hazardous, flammable liquid mixtures, acids, solvents and the like, which in individual cases cause corrosion problems, as a result of which the reliability of a connection between a tap and a tanker vehicle changes over time. Compliance with all of these safety precautions also represents an obstacle to integrating such tapping points into automated systems.
  • This object is achieved in a generic monitoring system by the features of the characterizing part of claim 1.
  • an overfill prevention device namely a measuring device functioning as a limit indicator
  • a device for checking the condition of the connecting line so that faults in the area of the connecting line on the one hand and possible overfilling of the container on the other hand are immediately recognizable.
  • the signaling of such faults can, for example, be linked to an immediate interruption of the product flow.
  • the circuit mentioned, in which both the measuring device and the connecting line are integrated, thus represents the element through which the monitoring is carried out.
  • connection line is attached to the tap on the one hand and the container on the other hand in an electrically insulated manner, so that the electrical current conducted via the connection line is dependent solely on the nature of this line or its connection to the insulated ends of the tap or the also insulated connection points of the container.
  • the measuring device is designed as a PTC thermistor system, which is considered to be particularly advantageous here due to its robust construction. It is particularly vibration-proof, with only two wires being required for operation.
  • the PTC thermistor system reacts to the temperature of a resistor and is used here as a limit indicator. A change in resistance caused by reaching a maximum fill level can thus be immediately recognized via the circuit mentioned and implemented in terms of control technology to prevent further product flow.
  • a voltage source is made available in the circuit via the monitoring device mentioned and the circuit is also monitored, for example with regard to its conductivity. The state of the connecting line can thus be identified via the circuit both during a filling process that is in progress and before the filling process is initiated.
  • the liquids accommodated in the container 1 can be, for example, water-endangering substances such as flammable liquid mixtures, acids, solvents and the like, thus liquids whose handling is subject to special safety regulations.
  • the openings of the container located at points 2, 3 are designed to be closable in a manner not shown and are each provided on the outside with connecting flanges 4, 5.
  • connection flanges 11 'and 12' respectively.
  • the connecting line 11 is connected via its connecting flanges 11 'to the pipe 6 on the one hand and the connecting flange 4 of the container 1 on the other hand.
  • the connecting lines 11, 12 are electrically conductive in a manner known per se, the through the pairings of connecting flanges 8, 11 '; 4, 11 ′; 5, 12 'and 9, 12' formed flange connections are designed as electrically insulating connections. This can be done in basically happen in any way, so that it is not discussed in detail.
  • the insulation connections mentioned are bridged by resistors 13 only to avoid electrostatic charges.
  • the sensor is formed, for example, by a PTC thermistor known per se.
  • the principle of operation of such PTC thermistor systems is based on the fact that when the PTC thermistor is immersed in the liquid, the maximum permissible level of which is designated 15, a change in resistance and thus a current occurs, from which the information is derived that the maximum permissible level 15 has been reached .
  • the intrinsically safe device 14 is integrated in a circuit which, starting from the device 14, is formed by a line element 16, the connecting line 11, a line element 17, a monitoring device 18, a line element 19, the connecting line 12 and a line element 20.
  • the line elements 16, 20 establish an electrical connection between the ends of the connecting lines 11, 12 facing the container 1 on the one hand and the device 14 on the other hand.
  • the line elements 17, 19 establish electrical connections between the ends of the connecting lines 11, 12 facing the pipes 6, 7 on the one hand and the monitoring device on the other hand.
  • the monitoring device 18 which is provided with a network connection 21 indicated in the drawing, this last-mentioned circuit, which can essentially be regarded as a self-contained circuit, is impressed with a defined voltage, so that one of the Temperature of the PTC thermistor dependent current.
  • the monitoring device 18, which will be described below on the basis of its functions, the implementation of which, however, is fundamentally arbitrary, is connected via a line 22 to a control device 23, by means of which the shut-off device 10 can be actuated.
  • the control device 23 can also have a display unit 24 which displays the respective switching state of the shut-off device 10 or fault messages which are transmitted by the monitoring device 18.
  • the display unit 24 can, for example, be the monitor of an EDP system.
  • 25 denotes an actuating device provided with pushbuttons 26 and indicator lights 27, by means of which the process of filling the container 1 can be activated or also ended.
  • the process of filling which is initiated by opening the shut-off element 10, only takes place if various safety functions are fulfilled, which include the filling level of the container 1. A filling process cannot be triggered when the maximum permissible level 15 has been reached.
  • the filling process is triggered via the actuating device 25.
  • a switching signal caused thereby initially reaches the monitoring device 18, through which a defined voltage is applied to the above-mentioned circuit and the resistance of the PTC thermistor is checked.
  • the state of the connecting hoses 11, 12 and the hose couplings designated 28 in the drawing is also included. This test process takes place during a defined time interval, an enable signal to the control device 23 only being given via the line 22 when no fault has been found.
  • the shut-off device 10 is then opened via the control device 23.
  • the monitoring system remains activated during the entire filling process, i.e. as soon as the liquid level in the container 1 has reached the maximum permissible level 15, which can be determined on the basis of the change in resistance of the PTC thermistor of the device 14, the control device 23 is now actuated by means of the monitoring device 18 such that the shut-off device 10 is closed.
  • an ongoing filling process is automatically interrupted as soon as any malfunction occurs that results in a change in the electrical conductivity of the circuit described above.
  • the monitoring system referred to above ensures an automatic filling of containers 1 and thus safe handling of the liquids mentioned at the outset, both monitoring the connecting lines and avoiding exceeding a maximum permissible fill level in the container.
  • connecting flanges 11 ', 12' carrying pipe elements can be viewed either as part of the pipes 6, 7 or the container 1 or as part of the connecting lines 11, 12.

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)
  • Basic Packing Technique (AREA)
  • Level Indicators Using A Float (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
EP89101909A 1988-03-03 1989-02-03 Überwachungssystem für das Befüllen von Behältern Expired - Lifetime EP0330860B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89101909T ATE71605T1 (de) 1988-03-03 1989-02-03 Ueberwachungssystem fuer das befuellen von behaeltern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3806899A DE3806899A1 (de) 1988-03-03 1988-03-03 Ueberwachungssystem fuer das befuellen von behaeltern
DE3806899 1988-03-03

Publications (2)

Publication Number Publication Date
EP0330860A1 EP0330860A1 (de) 1989-09-06
EP0330860B1 true EP0330860B1 (de) 1992-01-15

Family

ID=6348739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89101909A Expired - Lifetime EP0330860B1 (de) 1988-03-03 1989-02-03 Überwachungssystem für das Befüllen von Behältern

Country Status (7)

Country Link
US (1) US4915145A (cs)
EP (1) EP0330860B1 (cs)
JP (1) JP2595348B2 (cs)
AT (1) ATE71605T1 (cs)
DE (2) DE3806899A1 (cs)
ES (1) ES2029731T3 (cs)
GR (1) GR3004174T3 (cs)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3836365A1 (de) * 1988-10-26 1990-05-10 Schering Ag Befuelleinrichtung
GB9002382D0 (en) * 1990-02-02 1990-04-04 Shell Int Research System for electronic communication between two fluid reservoirs
US5187979A (en) * 1991-04-26 1993-02-23 Edmark Iii Karl W Multi-sensor probe assembly and method for fuel storage system including overflow protection means
DE4221492A1 (de) * 1991-07-16 1993-01-21 Fafnir Gmbh Schlauchsicherung
US5429159A (en) * 1991-08-02 1995-07-04 Fina Technology, Inc. Vapor recovery system for vehicle loading operation
DE4322230C1 (de) * 1993-07-05 1995-01-19 Sening Fa F A System zur unverwechselbaren Zuordnung eines Sicherungssystems zu einem Tankabteil eines Tankwagens
US5507326A (en) * 1994-08-05 1996-04-16 Scully Signal Company Fluid overfill protection and product identification system
DE4431378C1 (de) 1994-08-29 1995-09-14 Sening Fa F A System zur unverwechselbaren temporären Verbindung von Tankabteilen eines Tankwagens mit einem stationären Aufnahmetank
DE19525188A1 (de) * 1995-03-09 1996-09-12 Hsb Umwelttechnik Gmbh System und Verfahren zur Überwachung und Sicherung des Umfüllvorganges zwischen einem Tankfahrzeug und einem unterirdischen Lagerbehälter
DE19545583C2 (de) * 1995-12-07 2001-12-20 Alfons Haar Maschb Gmbh & Co Schlauchsicherung
US5821406A (en) * 1997-02-27 1998-10-13 Koch Industries, Inc. Crude oil measurement system and method
US5927350A (en) * 1997-03-06 1999-07-27 Customized Transportation Inc. System for preventing spillage from containers during filling thereof
US5844491A (en) * 1997-04-30 1998-12-01 Endress + Hauser Gmbh + Co. Apparatus for establishing and/or monitoring a predetermined filling level in a container
WO2004090491A2 (en) * 2003-03-31 2004-10-21 Saudi Arabian Oil Company Measurement of molten sulfur level in receptacles
US7451789B2 (en) * 2005-09-30 2008-11-18 Delaware Capital Formation, Inc. Tank car loading control and monitoring system and method
CN103130163A (zh) * 2011-11-23 2013-06-05 四川制药制剂有限公司 一种可自动插拔灌装头的医药溶液计量灌装系统
CN103144642A (zh) * 2011-12-06 2013-06-12 西安轨道交通装备有限责任公司 具有危险品安全监测功能的铁路罐车

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2824278A (en) * 1954-10-01 1958-02-18 Honeywell Regulator Co Liquid level sensing apparatus
US3141113A (en) * 1961-01-26 1964-07-14 Exxon Research Engineering Co Process of controlling electrostatic charges
US3328789A (en) * 1965-03-01 1967-06-27 Spillpruf Corp Tank level indicator
US3477460A (en) * 1965-08-02 1969-11-11 Mallory & Co Inc P R Fluid level control system
US3540027A (en) * 1966-02-17 1970-11-10 Bindicator Co Liquid level control and indicating apparatus
GB1173187A (en) * 1967-07-24 1969-12-03 Exxon Research Engineering Co System for Controlling the Transfer of Material into or out of a Reservoir
US3863147A (en) * 1973-02-16 1975-01-28 Jensen Iii Owen F Capacitance sensing apparatus
US3905243A (en) * 1973-09-11 1975-09-16 Us Energy Liquid-level sensing device
CA1168707A (en) * 1980-04-22 1984-06-05 Norscan Instruments Ltd. Apparatus to monitor electrical cables, including splice joints and the like for the ingress of moisture
DE3019300A1 (de) * 1980-05-21 1981-11-26 Aktiebolaget Tehamatik, Karlstad Vorrichtung zum befuellen von kraftstofftanks
DE3029352C2 (de) * 1980-08-01 1982-12-23 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Kapazitive Füllstandsmeßanordnung mit einer stabförmigen Sonde für die Messung des Füllstandes in einem Behälter
DE3108969C2 (de) * 1981-03-10 1986-01-09 Draloric Electronic GmbH, 8672 Selb Elektrothermische Füllstandsanzeigevorrichtung
DE3210932C2 (de) * 1982-03-25 1987-01-08 Wintershall Ag, 3100 Celle Vorrichtung zur Überwachung der Erdung fahrbarer Tankeinrichtungen während der Befüllung
FR2531543A1 (fr) * 1982-08-05 1984-02-10 Commissariat Energie Atomique Dispositif de securite et de detection d'un liquide conducteur dans une enceinte a surveiller
DE3376644D1 (en) * 1982-10-19 1988-06-23 Vickers Plc Liquid level detecting probe

Also Published As

Publication number Publication date
ES2029731T3 (es) 1992-09-01
GR3004174T3 (cs) 1993-03-31
EP0330860A1 (de) 1989-09-06
DE3806899A1 (de) 1989-09-14
JPH01294496A (ja) 1989-11-28
DE58900711D1 (de) 1992-02-27
US4915145A (en) 1990-04-10
ATE71605T1 (de) 1992-02-15
JP2595348B2 (ja) 1997-04-02

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