WO2013048252A2 - Ensemble et procédé assurant la qualité d'un processus de nettoyage de citerne - Google Patents

Ensemble et procédé assurant la qualité d'un processus de nettoyage de citerne Download PDF

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Publication number
WO2013048252A2
WO2013048252A2 PCT/NL2012/050684 NL2012050684W WO2013048252A2 WO 2013048252 A2 WO2013048252 A2 WO 2013048252A2 NL 2012050684 W NL2012050684 W NL 2012050684W WO 2013048252 A2 WO2013048252 A2 WO 2013048252A2
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WO
WIPO (PCT)
Prior art keywords
cleaning
tank
series
fluid
cleaning process
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/NL2012/050684
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English (en)
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WO2013048252A3 (fr
Inventor
Wilko SCHOLTENS
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.)
Cleansecure Sa
SUSTAINABLE BV
Original Assignee
Cleansecure Sa
SUSTAINABLE BV
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 Cleansecure Sa, SUSTAINABLE BV filed Critical Cleansecure Sa
Publication of WO2013048252A2 publication Critical patent/WO2013048252A2/fr
Publication of WO2013048252A3 publication Critical patent/WO2013048252A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management

Definitions

  • the invention relates to a method and an assembly for process assurance in tank cleaning, in particular in the field of transportation of bulk materials.
  • the invention aims to provide process assurance for cleaning tanks, in particular in cleaning tanks for transportation of bulk materials.
  • the invention aims to provide process assurance for cleaning tanks for transporting food products or chemicals.
  • the invention provides a method for evaluating a tank cleaning process of a transport tank of a tanker at a tank cleaning facility, wherein the transport tank is cleaned using a cleaning fluid, said method comprising the steps of:
  • the invention further provides an assembly for process assurance of a tank cleaning process of a transport tank at a tank cleaning facility, said assembly comprising:
  • a cleaning process measuring device comprising sensors for measuring cleaning fluid parameters, said sensors functionally coupled to a first computer, and
  • said sensors comprise a first sensor positioned upstream of where said cleaning fluid contacts an interior of the tank and for providing a first series of measurements of a cleaning fluid parameter of said cleaning fluid during said cleaning process and providing said first series of measurements to said first computer, and wherein said first computer is functionally coupled to said second computer for transmitting said first series of measurements, a cleaning process start time, a cleaning process end time, a facility identifier and a transport tank identifier to said second computer for storage in said database, said second computer provided with software which, when running on said second computer, allows said second computer to perform statistical analysis on said series of measured cleaning fluid parameters, for statistically validating if the tank cleaning process complies with a predefined tank cleaning process, and generating an identifier indicating compliance of said tank cleaning process with said predefined tank cleaning process.
  • the invention further provides a process monitoring method for monitoring and process assurance of a remote tank cleaning process by collecting, analysing and distributing real-time process data of a cleaning process at a connected cleaning station to at least one selected from shippers, owners, transporters and cleaning stations/cleaning facilities, wherein said cleaning station performs a predefined cleaning process comprising predefined cleaning steps, and cleaning process data is transmitted to a data storage remote from said tank cleaning facility, said cleaning process data comprising:
  • the invention further provides a method for process assurance of a tank cleaning process of a transport tank of a tanker at a tank cleaning facility, wherein the transport tank is cleaned using a cleaning fluid, said method comprising the steps of storing a transport tank identifier in a digital memory, storing a start time of said cleaning process in a digital memory, performing a first series of measurements of a cleaning fluid parameter during said cleaning process upstream of where the cleaning fluid contacts the interior of said transport tank, performing a second series of measurements of a cleaning fluid parameter during said cleaning process of outlet cleaning fluid, storing an end time of said cleaning process in a digital memory, transmitting said first and second series of measured cleaning fluid parameters, said start time, said end time, and said transport tank identifier to a data storage remote from said tank cleaning facility, and performing statistical analysis on said series of measured cleaning fluid parameters, comprising comparing the series with at least one of historical data of said cleaning facility and historical data with series of other cleaning facilities, comparing the first series and second series of measurements with one another, and comparing the series with said
  • the invention further provides an assembly for process assurance of a tank cleaning process of a transport tank at a tank cleaning facility, said assembly comprising:
  • a cleaning process measuring device comprising sensors for measuring cleaning fluid parameters, said sensors functionally coupled to a first computer, and
  • said sensors comprise a first sensor positioned upstream of where said cleaning fluid contacts an interior of the tank and for providing a first series of measurements of a cleaning fluid parameter of said cleaning fluid during said cleaning process and providing said first series of measurements to said first computer, a second sensor positioned downstream of where said cleaning fluid contacts an interior of the tank for providing a second series of measurements of a parameter of tank cleaning outlet fluid to said first computer during said cleaning process, and wherein said first computer is functionally coupled to said second computer for transmitting said first and second series of measurements, a cleaning process start time, a cleaning process end time, a facility identifier and a transport tank identifier to said second computer for storage in a database, said second computer provided with software which, when running on said second computer, allows said second computer to perform statistical analysis on said series of measured cleaning fluid parameters, said statistical analysis comprising comparing the series with at least one of historical data of said cleaning facility and historical data with series of other cleaning facilities, comparing the first series and second series of measurements with
  • the method and assembly of the current invention allows monitoring of a remote tank cleaning process by collecting, analysing and distributing real-time, or almost realtime, process data of connected cleaning bays to shippers, owners, transporters and cleaning stations/cleaning facilities.
  • the parties involved, or an instructing party defines the cleaning process in terms of cleaning time, fluid to be used, fluid conditioned like pressure, temperature, or other parameters.
  • statistical validation relates to analysis of a series of measurements.
  • the measurement interval for measuring the parameters is larger than the various process steps in the cleaning process. This allows measuring at least 10 data points during a process step. With a larger number of data points, statistical validation of the measured data is possible. This means that it can be evaluated what the spreading between data points is, comparing this with known spreading in the process steps, analysing "remote" data points.
  • statistical validation in the current case may comprise for instance one or more of the following.
  • a numeric field may only allow the digits 0-9, the decimal point and perhaps a minus sign or commas.
  • statistical tests may be done. For instance, statistical spreading, scattering, dispersion, variance can be calculated, data sequences can be checked against these calculated values. Expectance values may be known, for instance historically, from comparing historical measurements of the same cleaning facility, comparable cleaning facilities. Data averages can be checked against these (historical) averages, in view of known dispersion, variance and calculated dispersion and variance, for instance. Using these values, also different cleaning process steps may be determined in a measures series.
  • the process to be assured relates to the cleaning of tanks for transporting bulk materials. These materials can be liquid, or can be material suited for transport in tanks. Such a material is for instance flour, for instance wheat flour or any other type of flour.
  • process assurance relates to the possibility of process certification and/or securing of a process.
  • the current invention allows a cleaning process to be monitored and secured. This in principle does not mean that the outcome of the process, or the quality of the process as such is certified of secured. Nor does it necessarily mean that a judgement can or is made on the cleaning process in general.
  • the current invention allows a cleaning process to be monitored.
  • the cleaning process in an embodiment includes cleaning instructions. This may include data selected from a specification/identification of the container or tank, an identification of the cleaning station, reference to a validated set of cleaning instructions, type and place of identified tamper-evident seals for sealing said container or tank, and reference to instructions of placement of the tamper-evident seals.
  • the authenticity of the measurements during the cleaning process is important. This may be accomplished by providing the second computer and/or said database remote from the cleaning facility.
  • the process assurance involves at least three parties or stakeholders: The cleaner, the cleaning instructor, and an independent third party.
  • the cleaner usually is the party that operates the cleaning facility and that is instructed to perform a tank cleaning according to a specified process.
  • the cleaning instructor can be one of the following parties. It can be the transporter who needs to have a certificate proving that his tank has been cleaned according to a certain protocol. It can also be the party receiving a product that is transported. It may be a governmental body responsible for inspection.
  • the independent third party can be a certifying party. It usually is an independent party that is accepted by all the stakeholders. In an embodiment, the third party can provide a (physical or digital) certificate that makes the cleaning process traceable.
  • a tank is a type of container that is suited for bulk transportation of for instance liquid materials.
  • a tank can be mounted onto a lorry or truck.
  • the tank can be for instance an IBC, an Intermediate bulk carrier.
  • a tank is mounted onto a vehicle, like a truck or a train.
  • the tank is cleaned using a fluid, in particular water.
  • the water comprises a cleaning composition, known to a skilled person.
  • the cleaning fluid often has an increased temperature.
  • the fluid can de used at an elevated pressure. The pressure can be several bar, even more than 10 bars can be used. If water is used, it can have e temperature of more than 60°C, in an embodiment more than 70°C. Usually, the temperature is below the boiling temperature of the fluid.
  • the cleaning temperature and the temperature cycle used is important. Often, the steps are of importance. For instance, for juices, a tank should first be flushed with cold water in order to prevent fruit pulp from adhering to the tank wall. For glucoses, on the other hand, the first water flush should be as hot as possible in order to be able to remove the glucoses from the tank.
  • the cleaning process involves several cleaning steps. These cleaning steps can for instance involve temperature changes, flushing, cleaning using detergents.
  • this data is in an embodiment stored in a secured database.
  • the database can be remote.
  • remote for instance means that usually the database is stored at a location that is not on the premises of the cleaning facility. More often, the data is stored far away from the premises of the cleaning facility.
  • a centralized database can be used. This allows that the collected data is used by many parties, and limits the amount of data traffic. The contents of the database, however, can be made available for instance in a read-only manner to authorized parties.
  • the database is remote and under the control of at least one of the independent third parties.
  • said performing statistical analysis on said first series of measurements of said at least one cleaning fluid parameter comprises a step selected from comparing said first series of measurements with at least one of historical data of said cleaning facility, comparing said first series of measurements with historical data with series of measurements from other cleaning facilities, statistically validating said first series of measurements of a cleaning fluid parameter, comparing the series with said start time and said end time, or a combination thereof, for statistically validating the transmitted data, and generating an identifier indicating compliance with said predefined tank cleaning process and statistical validity of aid transmitted data.
  • said statistical analysis comprises identifying cleaning steps in said first series of measured cleaning fluid parameters, and said complying with said predefined tank cleaning process comprises matching said identified cleaning steps with cleaning steps in said predefined tank cleaning process, and wherein said identifier indicates if said identified cleaning steps match said cleaning steps in said predefined tank cleaning process.
  • said method comprising the further steps of:
  • said parameters of said first series comprise a cleaning fluid temperature.
  • said parameters of said second series comprise an outlet cleaning fluid temperature of cleaning fluid at the outlet of said tank.
  • said parameters of said first series and/or said second series are selected from the group consisting of fluid pressure, fluid flow rate, fluid conductivity, fluid pH, fluid colour, fluid light transmission, fluid viscosity, and a combination of two or more of these parameters.
  • said first and/or said second series of measurements are time- based, in particular said series of measurements include a periodical measurement with at least four measurement actions separated in time, even more in particular covering at least the entire cleaning process duration.
  • said start time, and said end time and a facility identifier are transmitted to said data storage substantially real-time.
  • said remote data storage comprises a security preventing amendment of said transmitted data.
  • activation of said cleaning process starts a real-time storage of said start time.
  • a stop of a flow of said fluid flow starts a real-time storage of said end time.
  • transmission is done within a defined time-window from said end time, in an embodiment within 10 minutes after said end time, in particular within 1 minute after said end time, more in particular within 10 seconds after said end time.
  • said statistical analysis comprising comparing the series with at least one of historical data of said cleaning facility and historical data with series of other cleaning facilities, and comparing the series with said start time and said end time, for validating the transmitted data, and said software further provided for performing the steps of generating an identifier if the cleaning process complies with a predefined cleaning process and said transmitted data is statistically validated.
  • said assembly further comprising:
  • a second sensor positioned downstream of where said cleaning fluid contacts an interior of the tank for providing a second series of measurements of a parameter of tank cleaning outlet fluid to said first computer during said cleaning process
  • said first computer is functionally coupled to said second computer for transmitting said second series of measurements to said second computer for storage in a database
  • said second computer provided with software which, when running on said second computer, allows said second computer to perform statistical analysis on said series of measured cleaning fluid parameters, said statistical analysis comprising comparing the first series and second series of measurements with one another for validating the transmitted data.
  • said cleaning process is defined by an instructing party in terms of cleaning time, fluid to be used, and fluid conditioned selected from pressure, temperature, fluid composition and a combination thereof.
  • several security measured can be taken to secure the process data collected at a cleaning facility.
  • the start time and end time of a cleaning process can be logged in the database almost real-time.
  • a time window can be created for transmitting acquired process data.
  • a cleaning facility identifier and a tank identifier are transmitted to the database.
  • process data measured during the cleaning process is transmitted within a short time window after the end time of the cleaning process.
  • said first and/or said second series have a time- lime, in particular said series include a periodical measurement with at least four measurement actions, even more in particular covering at least the entire cleaning process duration.
  • measurements are taken at a regular time interval, allowing for instance calculation of time.
  • both a measured value as well as a time of measuring are stored.
  • said start time, and said end time and a facility identifier are transmitted to said data storage substantially real-time.
  • the start time is instantly transmitted and the transmission is triggered by an event, for instance taking a cleaning head out of a cradle, or starting a cleaning device, powering up a cleaning device, starting a cleaning liquid flow.
  • placing the cleaning head back in a cradle, of closing down a cleaning device or stopping a cleaning fluid flow can trigger an end time transmission, for instance instantly.
  • the end time in turn may trigger data transmission of the measurements.
  • said remote data storage comprises a security preventing amendment of said transmitted data.
  • the data is encrypted before transmission, or the transmitting computer exchanges a certificate with the receiving computer before transmission starts.
  • activation of said cleaning process starts a realtime storage of said start time.
  • a stop of a flow of said cleaning fluid flow starts a real-time storage of said end time.
  • start time and end time may be transmitted instantly, or real-time.
  • real-time is within a time-window after determining the time, and said time-window is short compared to computer timing and/or and transmission timing. Usually, it is within milliseconds, often even within microseconds.
  • said first sensor comprises a first temperature sensor.
  • said second sensor comprises a second temperature sensor.
  • said sensors are selected from a fluid pressure sensor, a fluid flow rate sensor, a fluid conductivity sensor, a fluid pH sensor, a fluid colour sensor, a fluid light transmission sensor, a fluid viscosity sensor, and a combination of two or more of these sensors.
  • said cleaning device comprising a tube for providing a pressurized cleaning fluid to a cleaning head for spraying said cleaning fluid inside said tank, said cleaning head comprising said first sensor.
  • a cleaning head has one or more nozzles that provide one or more high- pressure beams of cleaning fluid.
  • said tank comprises an outlet
  • said cleaning device comprises an outlet coupling end in fluid connection with said outlet for discharging said cleaning fluid from said tank, said outlet coupling end provided with said second sensor.
  • the outlet coupling end is placed on the tank outlet. In an embodiment, it may provide a sensor indicating that the outlet coupling end is properly places. This indication may be transmitted to a computer or to an external database.
  • actuation of said cleaning device sets said cleaning process start time. In an embodiment, this actuation may be removing the cleaning head from a cradle, activating the cleaning head, or placing the cleaning head at, near or in a tank.
  • deactivation of said cleaning device sets said cleaning process end time.
  • deactivation may be removing for instance the outlet coupling end from the tank, or deactivating the cleaning head.
  • said sensors further comprising a flow rate sensor provided for measuring the flow rate of said cleaning fluid through said cleaning head.
  • said sensors further comprising a flow rate sensor provided for measuring the flow rate of said cleaning fluid from said tank outlet.
  • a flow rate sensor provided for measuring the flow rate of said cleaning fluid from said tank outlet.
  • the following parameters of the cleaning fluid leaving the tank can be measure: Temperature, flow rate, conductivity.
  • the measurements are done at regular intervals. Usually, these intervals are small compared to the time used by the cleaning process. For instance, the measurements can be done every 60 seconds. In an embodiment, a parameter is measured at a time interval between measurements of less than 60 seconds. In fact, more than 100 data points of a parameter are collected in a cleaning process. In an embodiment, even more than 500 data points of a parameter are collected. In fact, the amount of data points of a parameter should be so large that the measurements can be statistically validated. Thus, for instance extreme values can for instance be disregarded based upon variance analysis. Furthermore, different process steps can de identified in a statistically relevant manner: Changes in measured values can be tested on relevance. Thus, in some embodiments, more than 1000 data points of a parameter may be collected during a cleaning process.
  • environment parameters can also be included. For instance, outside temperature, an image of the tank to be cleaned or during cleaning, for instance for identifying the tank.
  • a cleaning ID can be provided, and an identifier identifying the tank, for instance manually, but preferably without human interference, for instance a barcode can be scanned, or an RFID attached at, on or in the tank can be read.
  • the sensors are functionally coupled to a PLC (programmable logic controller) that in turn is functionally coupled to a computer, for instance a solid state PC.
  • a PLC programmable logic controller
  • the computer and if so desired also the PLC are provided in a common housing.
  • the housing can be hermetically sealed.
  • the computer is functionally coupled to the remote computer of the remote database.
  • the computer is functionally coupled to the internet, wired or wireless. Often, it uses a secure line of encrypted data transmission. Alternatively, the data or data transmission may have other security provisions that prevent unauthorized manipulation of the data.
  • each cleaning process will receive a unique cleaning ID. This allows a cleaning process to be found or recovered in or from a database.
  • the start time of the cleaning process is sent to the remote computer or remote database instantly, real-time.
  • a signal is transmitted to the remote computer or remote database that will set a time stamp of the cleaning process start.
  • a start-time identifier is securely stored on the computer.
  • the start-time or the start-time identifier is generated by removing the outlet sensor from the cradle.
  • At least part of the data is collected locally on the computer. It can be sent for instance as a batch after the cleaning is finished.
  • the end of the actual cleaning, the end time is stored. This can for instance be triggered by (re)placing the outlet sensor in the cradle
  • a picture of the rear of tank or tanker for instance including an identification number, can be taken in the cleaning bay.
  • continuous monitoring if the cleaning bay is still online with the database or second computer can be implemented.
  • Analysing data consistency and quality on the series of measurements is done.
  • the incoming process data is statistically analysed in order to:
  • the analysis can comprise on or more of the following.
  • Analysis can be done on the series of measured temperatures. For instance, the series of inlet- en outlet temperatures of cleaning fluid can be compared. Logically, the outlet temperature, cleaning fluid leaving a tank, cannot be higher than the inlet temperature, i.e. cleaning fluid before it contacts the interior of the tank.
  • Another analysis that can be done is to check if a change of temperature in time, for instance a temperature fall and/or rise, is in line with expectations. This can be compared with for instance historical data of the current facility. It can also be checked is such a rise and/or fall is logical, in comparison with a standard and/or multiple cleaning facilities.
  • the series of temperature data allow recognition of a steam- process: if there is no fluid flow, the temperature increases.
  • Another analysis involves boiler performance, of a boiler that is used to heat up cleaning fluid. To that end, historical (longer time) comparison with available fluid inlet temperature can be done. Using this analysis, it can be checked if the boiler- capacity is going down, or if the boiler capacity is still sufficient
  • fluid pressure Another parameter that provides useful information regarding the cleaning process is fluid pressure. It can be analysed if fluid pressure in line with expectations, for instance with historical data (of the current facility). Furthermore, it can be compared how the pressure is in comparison with other facilities and/or with a standard.
  • Flow rate and/or conductivity can also provide useful information. If there is a difference between cleaning fluid entering a tank and cleaning fluid leaving the tank, this may indicate that a residue of cleaning fluid remains inside the tank.
  • the cleaning process may also comprise a pre-wash step for instance to remove residue. Again, the balance between fluid in and fluid out may be checked.
  • a conductivity sensor marks the point in time when the residue is out of the tank. It can be checked to indicate if the proper amount of detergent is used, if the tank is properly flushed after use of a detergent of disinfectant. Furthermore, of instance a comparison between conductivity of fluid entering the tank and fluid leaving the tank can be an indication if a residue of some kind remained in the tank.
  • the values of series can also be compared with previous series, for instance of similar cargo cleaning, to check if conductivity in line with expectations (reference database).
  • Another step in the process assurance can be recognizing parties and/or linking parties to incoming data.
  • the data may be made available to involved parties that can use the data or a certificate in order to prove that the cleaning process has been performed according to specification.
  • the following parties can be distinguished: 1) Cleaning Station/Cleaner
  • One address/party can have multiple roles; e.g. a cargo owner can deliver a product to his own delivery location, using his own trucks.
  • the current invention may allow each party to access the data or add his own identifier. These parties should not be allowed, however, to alter the measurement data.
  • the current invention may use a web interface to allow parties to access cleaning process data. This allows the various parties access to the data. Depending on their role, they may have different abilities/authorizations to add or retrieve information or data.
  • the role(s) of the party and the party's identity is known. The following setup may be possible.
  • Cleaning stations/facilities have a web interface/web application available that allows access to the database. Information on the cleaning process are entered online into the database. Here the link between process data, a tank identifier and a Cleaning Certificate number may be made. Here the actual arrival time and process end time (or, for instance a time when a certificate is printed) are registered to the database.
  • the cleaning station can print a cleaning certificate using the web application. If a branch organization is involved / identified (e.g. SGF) their logo may be added to the certificate.
  • a branch organization e.g. SGF
  • All other parties involved in the cleaning process can be allowed to have access to the at least part of the cleaning process measurement data. This can for instance be done via the web interface. This may also be used to allow parties to add relevant data. Every party may be allowed to add information to the database. The more information is available, the better a cleaning process can be linked to the various parties.
  • Transporters, loading stations or delivery locations or cargo owners can upload data prior to arrival of the tank to a cleaning station.
  • Uploading end entering information can be done manually, but also automatically, for instance using information tags like RFID, barcodes, etc.
  • Every subscribed party is for instance allowed to see its own subset of cleanings. Furthermore, they can be allowed for instance to access only a defined subset of information recorded on such cleaning.
  • the data availability can be arranged in the following way, in an embodiment.
  • the acquired data in combination with data input by various parties allow many listings, alerts, reports.
  • the purposes of collecting data in the CleanSecure databases can for instance be: 1) Create activity listings, for instance different overviews.
  • At least one tamper-evident seal is provided on the tank after said cleaning process.
  • tamper-evident seals are known to a skilled person.
  • said at least one seal is provided on said tank by cleaning- station personnel.
  • said at least one seal is provided with an identification, more in particular a unique identification.
  • said identification is transmitted to said remote database.
  • said identification is an electronic tag that can be electronically read and transmitted.
  • An example of such an electronic tag or identification comprises an RFID chip with a unique identifier that is incorporated into said at least one tamper-evident seal.
  • upstream and downstream relate to an arrangement of items or features relative to the flow of a cleaning fluid from a cleaning device through a tank and out of a tank, leaving the tank and the cleaning process. Relative to a first position within the flow of cleaning fluid (or data, for that means), a second position closer to the fluid source “upstream”, and a third position further away from the fluid source is “downstream”.
  • the term “substantially” herein, such as in “substantially consists”, will be understood by the person skilled in the art.
  • the term “substantially” may also include embodiments with “entirely”, “completely”, “all”, etc. Hence, in embodiments the adjective substantially may also be removed.
  • the term “substantially” may also relate to 90% or higher, such as 95% or higher, especially 99% or higher, even more especially 99.5% or higher, including 100%.
  • “substantially real-time” this may relate to a time frame that is short with respect to data transmission. This may, for instance, depend on the quality, bandwidth and/or transmission speed of a data connection. It may, for instance, mean within seconds of the measured event. Often, when a good data connection is used, it may be within milliseconds of a measured event. When using excellent data connection, it may even be within microseconds of a measured event.
  • the invention further pertains to software which, when running on a computer, performs any of the method steps described above.
  • the invention further relates to a method for process assurance of a tank cleaning process of a transport tank, in particular a transport tank for bulk food products, like liquid food products, at a tank cleaning facility, comprising the steps of: cleaning the inside of said transport tank using a pressurized cleaning fluid flow from a cleaning device;
  • the invention further relates to a method for process assurance of a tank cleaning process of a transport tank at a tank cleaning facility, wherein the transport tank is cleaned using a cleaning fluid, said method comprising the steps of storing a transport tank identifier in a digital memory, storing a start time of said cleaning process in a digital memory, performing a first series of measurements of a cleaning fluid parameter during said cleaning process upstream of where the cleaning fluid contacts the interior of said transport tank, performing a second series of measurements of a cleaning fluid parameter during said cleaning process of outlet cleaning fluid, storing an end time of said cleaning process in a digital memory, transmitting said first and second series of measured cleaning fluid parameters, said start time, said end time, and said transport tank identifier to a data storage remote from said tank cleaning facility, and performing statistical analysis on said series of measured cleaning fluid parameters.
  • the invention further applies to an apparatus or device comprising one or more of the characterising features described in the description and/or shown in the attached drawings.
  • the invention further pertains to a method or process comprising one or more of the characterising features described in the description and/or shown in the attached drawings.
  • Figure 1 illustrates tank vehicles in a cleaning facility with two cleaning stations
  • Figure 2 illustrates a cleaning head in an inlet of a tank
  • Figure 3 a schedule showing the cleaning process elements
  • Figure 4 illustrating the assurance process of the cleaning process.
  • FIG 1 a cleaning facility is shown.
  • two cleaning stations 1 can be seen.
  • the leftmost truck has an outlet 3.
  • the back of the tank is provided with an identifier 4.
  • a picture can be taken in order to get the tank identifier.
  • FIG 2 a detail is shown of the inlet 5 of tank 2.
  • a cleaning head 6 is shown in the inlet 5.
  • this cleaning head 6 can be provided with sensors, for instance a temperature sensor for measuring the temperature of a cleaning fluid.
  • FIG 3 a schedule if shown of an example of a cleaning facility. It shows a water supply supplying water to a water tank, a heater for heating the water, a pump for providing the water under pressure, valves for adding detergent, and spray guns.
  • a schedule is shown of an embodiment of the assembly of the invention.
  • Various cleaning facilities 101 measure cleaning process parameters during the cleaning process.
  • fluid parameters are measured.
  • These measured fluid parameters are transmitted to a remote database 203.
  • statistical analysis 202 on the measured process data 102 validates the measured data.
  • the statistical analysis 202 allows assurance that a prescribed cleaning process in indeed executed.
  • the database 203 and statistical analysis 202 are managed by a (trusted) third party 201.
  • the remote data in the database can subsequently be accessed by other stakeholders 301-303 in tank cleaning.
  • the transporter 301 for instance, can make a planning using cleaning facility time slots as well as time slots between subsequent cleanings, and/or time between a cleaning and loading of the tank.
  • the statistical analysis may comprise trend analysis in each series of measured parameters, comparing the trend with historical data, or with validated data.
  • the duration of series in time can be compared with start time and end time.
  • the series and changes in measured values can be used to identify process steps, for instance pre-flushing, actual cleaning, post-flushing. Changes in temperature of flow rate or conductivity, for instance, may mark start or end of a process step.
  • a loading address 302 can see the cleaning time and thus make a planning when the tank arrives for filling. In this respect, if a tank is too late, this may be notified.
  • the cargo owner or food industry 303 may receive a notification that a cleaning is according to specification.
  • the cargo owner may receive statistical information on cleanings, duration and other parameters.

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  • Cleaning In General (AREA)

Abstract

La présente invention concerne un procédé assurant la qualité d'un processus de nettoyage d'une citerne de transport d'un véhicule-citerne au niveau d'une installation de nettoyage de citernes, où la citerne de transport est nettoyée au moyen d'un fluide de nettoyage. Le procédé comprend les étapes qui consistent à stocker un identifiant de citerne de transport dans une mémoire numérique, à stocker un temps de début du processus de nettoyage dans une mémoire numérique, à effectuer une première série de mesures d'un paramètre de fluide de nettoyage pendant le processus de nettoyage avant l'endroit où le fluide de nettoyage se trouve en contact avec l'intérieur de la citerne de transport, à stocker dans une mémoire numérique un temps de fin du processus de nettoyage, à envoyer la série de paramètres de fluide de nettoyage mesurés, le temps de début, le temps de fin et l'identifiant de citerne de transport, à un dépôt de données distant de l'installation de nettoyage de citernes et à effectuer une analyse statistique sur la série de paramètres de fluide de nettoyage mesurés.
PCT/NL2012/050684 2011-09-28 2012-09-28 Ensemble et procédé assurant la qualité d'un processus de nettoyage de citerne Ceased WO2013048252A2 (fr)

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WO2013048252A3 WO2013048252A3 (fr) 2013-05-30

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EP2963601A1 (fr) * 2014-07-02 2016-01-06 Menno Chemie-Vertrieb GmbH Dispositif de désinfection d'unité de stockage et système et procédés correspondants
US9656308B2 (en) 2015-07-10 2017-05-23 NGL Solids Solutions, LLC Systems and processes for cleaning tanker truck interiors
US9925572B2 (en) 2015-07-10 2018-03-27 NGL Solids Solutions, LLC Devices, systems, and processes for cleaning the interiors of frac tanks
US10589287B2 (en) 2015-07-10 2020-03-17 NGL Solids Solutions, LLC Systems and methods for oil field solid waste processing for re-injection
US11911732B2 (en) 2020-04-03 2024-02-27 Nublu Innovations, Llc Oilfield deep well processing and injection facility and methods
DE102022122692A1 (de) * 2022-09-07 2024-03-07 KATMA Engineering GmbH Verfahren zur Reinigung eines Laderaums eines Transportmittels
US12350723B2 (en) * 2018-06-07 2025-07-08 Sanisafe Transportation Solutions, Llc Systems, methods, and kits for treating one or more surfaces with a liquid

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EP2294544A4 (fr) * 2008-04-30 2013-01-16 Ecolab Inc Pratiques de nettoyage et de désinfection d'installation de soins de santé validées

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2963601A1 (fr) * 2014-07-02 2016-01-06 Menno Chemie-Vertrieb GmbH Dispositif de désinfection d'unité de stockage et système et procédés correspondants
US9656308B2 (en) 2015-07-10 2017-05-23 NGL Solids Solutions, LLC Systems and processes for cleaning tanker truck interiors
US9925573B2 (en) 2015-07-10 2018-03-27 NGL Solids Solutions, LLC Systems and processes for cleaning tanker truck interiors
US9925572B2 (en) 2015-07-10 2018-03-27 NGL Solids Solutions, LLC Devices, systems, and processes for cleaning the interiors of frac tanks
US10589287B2 (en) 2015-07-10 2020-03-17 NGL Solids Solutions, LLC Systems and methods for oil field solid waste processing for re-injection
US12350723B2 (en) * 2018-06-07 2025-07-08 Sanisafe Transportation Solutions, Llc Systems, methods, and kits for treating one or more surfaces with a liquid
US11911732B2 (en) 2020-04-03 2024-02-27 Nublu Innovations, Llc Oilfield deep well processing and injection facility and methods
DE102022122692A1 (de) * 2022-09-07 2024-03-07 KATMA Engineering GmbH Verfahren zur Reinigung eines Laderaums eines Transportmittels
WO2024052383A1 (fr) 2022-09-07 2024-03-14 KATMA Engineering GmbH Procédé de nettoyage d'un espace de chargement d'un moyen de transport

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