WO2003037483A1 - Vorrichtung und verfahren zum überwachen der integrität von filtrationsanlagen - Google Patents
Vorrichtung und verfahren zum überwachen der integrität von filtrationsanlagen Download PDFInfo
- Publication number
- WO2003037483A1 WO2003037483A1 PCT/EP2002/011452 EP0211452W WO03037483A1 WO 2003037483 A1 WO2003037483 A1 WO 2003037483A1 EP 0211452 W EP0211452 W EP 0211452W WO 03037483 A1 WO03037483 A1 WO 03037483A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- monitoring
- test
- data
- filter
- integrity
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 61
- 238000001914 filtration Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 title abstract description 4
- 238000012360 testing method Methods 0.000 claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 claims description 35
- 238000009792 diffusion process Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 9
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 238000012040 water intrusion test Methods 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 2
- 230000001186 cumulative effect Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010200 validation analysis Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/009—Identification of filter type or position thereof, e.g. by transponders or bar codes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/429—Means for wireless communication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
- B01D2201/301—Details of removable closures, lids, caps, filter heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/40—Special measures for connecting different parts of the filter
- B01D2201/4046—Means for avoiding false mounting of different parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/52—Filter identification means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/54—Computerised or programmable systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/56—Wireless systems for monitoring the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/18—Testing of filters, filter elements, sealings
Definitions
- the invention relates to a device for monitoring the integrity of filtration systems consisting of a filter housing provided for carrying out integrity tests and for filtration with a plurality of filter elements and an electronic monitoring and test unit provided for monitoring and carrying out the integrity tests.
- the invention further relates to a method for monitoring the integrity of filtration layers with a plurality of filter elements in a filter housing and an electronic monitoring and test unit provided for monitoring and carrying out the integrity tests.
- DE 199 18 419 A1 discloses devices for monitoring the integrity of filtration systems which have a filter housing provided for carrying out integrity tests and for filtration, with a plurality of filter elements.
- Devices of this type have an electronic monitoring and test unit provided for monitoring and carrying out the integrity tests, as is also known, for example, from DE 39 17 856 AI.
- Devices of this type which have proven themselves in principle, have the disadvantage that when using multiple filter elements in one filter housing, the electronic monitoring and test unit only provides a total or Total values of all filter elements in a filter housing se can be determined. For example, since the diffusion values measured in the production release are always lower than the validated limit value, it can happen that a filter element exceeds the limit value and this is not noticed. The individual production release values of the filter elements are not taken into account in such devices and methods.
- DE 694 01 006 T2 discloses a structural unit with an individually interchangeable filter.
- the assembly has an electronic filter detection system with an electronic label on the filter and a reading device on the filter.
- the reading device is connected to a control unit of the filtering device, which is influenced by the reading device.
- the electronic label which is designed as an electronic storage element, serves as a filter detection system in the known device. This is to identify whether the specified filter has been installed. Provision is also made to save the number of operating hours of the filter and to switch off the filtering device when the maximum permitted number of operating hours has been reached.
- the specialist does not receive any information from this publication for the use of such structural units for monitoring the integrity of filtration systems and in particular when using filter housings with a plurality of filter elements.
- the object of the present invention is therefore to improve the known devices for monitoring the integrity of filtration systems with a plurality of filter elements in such a way that safety is increased and the production release values of the individual filter elements can be taken into account.
- the filter elements each have an electronic storage element and that A communication part connected to the monitoring and test unit is arranged in the filtration housing, via which data can be read from the electronic storage elements.
- the monitoring and test unit can read out the production release values of the individual filter elements and take them into account in the integrity monitoring.
- the security of the integrity measurement can be significantly improved by using the tested production or production release values.
- the electronic storage element can be written with data from the monitoring and test unit.
- test data can be measured over the life of the filter elements and written to the storage element.
- the device according to the invention is thus able to store and transmit multiple measurements and to process them using a reading device. This makes it possible, for example, to record, process and / or report test data changes. A test data drift can thereby be recognized and taken into account with the device according to the invention.
- the electronic storage elements are designed as transponders and the communication part as antennas for transmitting and receiving high-frequency signals, so that data can be exchanged between the electronic monitoring and test unit and the transponders.
- Transponders can be read contactlessly and, if necessary, written, with no visual contact to the reading / writing station or to the communication part being necessary. User-defined data can easily be saved on the transponder's microchip. Transponders can also be password-protected.
- the electronic storage elements or transponders contain the following data for the respective filter element: identification data, the use of limiting data and / or production release values for a pressure maintenance test and / or diffusion test and / or bubble point test (bladder pressure point test) and / or water intrusion test.
- the identification data and the data limiting the use, such as service life, permissible regeneration or sterilization cycles, and limit values of the individual filter elements are permanently stored in the electronic memory elements, the installation of incorrect filters is quickly recognized and transmission errors of the limiting data in the monitoring and test unit are reliably avoided.
- the safety and accuracy of the integrity tests are further improved by storing the production release values for the known integrity tests.
- the electronic storage element of each filter element has an individual address of an address recognition, which enables a reading and / or sending process.
- the individual addresses with address recognition enable the electronic memory elements to be read and written by the individual filter elements in a targeted manner.
- the filter housing it is also possible for the filter housing to have only one filter element instead of a plurality of filter elements.
- Another object of the invention is therefore to improve the known methods in such a way that possible errors in monitoring the integrity of filtration systems with a plurality of filter elements in a filter housing are reduced and the security of the monitoring is improved.
- the security of the integrity test is considerably improved by storing specific data of the filter elements and reading and supplying the data to the monitoring and test unit.
- ascertained real test values are stored in the storage elements and used for evaluation when the measurement is repeated.
- the monitoring and integrity method is carried out in the following steps: a) reading out the data from the electronic storage elements of the filter elements, b.) Evaluating the data as to whether the permissible filter elements are installed in the filter housing and / or whether the limiting data of at least one filter element has been reached, c) blocking the filtration system if at least one filter element has been determined to be inadmissible and / or if at least one filter element has reached or exceeded the limiting data, d) if no blocking according to c) there is a summation of limit values and of production release values for the respectively intended integrity test, e) blocking of the filtration system if the sum of the production release values exceeds the sum of the limit values, f) as long as no blockage takes place according to e), determination and storage of a permissible tolerance value for r the intended integrity test in the monitoring and test unit, the tolerance value adding up
- the real value is stored in a collective integrity test of all filter elements and its result is taken into account in a renewed integrity test.
- additional steps for the cumulative reading of data for the filtration time and / or the cycles of regeneration and sterilization by means of the monitoring and test unit into the electronic storage elements track the state of the system.
- a test data drift is determined by comparing the stored real values and the further integrity behavior of the filter elements is predicted using an algorithm and a change of the filter elements is initiated shortly before the predicted exceeding of the limit values.
- the system according to the invention reads and / or writes measured and / or stored data which are present and / or stored on the storage element and / or are to be stored.
- the system or the device can measure test data over the life of the filter elements and / or write them into the memory element.
- the system according to the invention can thus record, process and / or report test data changes.
- the system according to the invention is thus able to detect, process and report test data drift from the limit value and / or start value.
- the system can thus compare test data drift with a predefined permitted test data drift and possibly stop the system and / or prevent the start of the filtration. This option is primarily used for multiple filter element systems, but also for individual elements and / or tangential flow filter elements.
- Test data drift processing of the system according to the invention can also be used to predict when the filter system and / or filter system will fall below or exceed the limit value.
- the system according to the invention can either process the data of a multiple measurement as a graphic and / or, according to a predetermined algorithm, report when the filter system is to be changed; by either falling below or exceeding limits and / or blocking and / or other predetermined process parameters.
- the system according to the invention can also trigger an alarm which can lead to the filter elements being changed, since the filter elements will fall below or exceed the limit values the next time they are used. Further details of the invention will become apparent from the following detailed description and the accompanying drawings, in which preferred embodiments of the invention are illustrated, for example.
- Figure 1 a schematic procedure
- Figure 2 is a schematic representation of a device for monitoring the integrity of filtration systems.
- a device for monitoring the integrity of filtration systems essentially consists of a filter housing 1, a first filter element 2 and a filter element 3 or a plurality of filter elements 2, 3 and an electronic monitoring and test unit 4.
- the monitoring and test unit 4 is connected in a known manner via lines, not shown, to sensors and actuators, not shown, for monitoring and measuring the integrity of the filter elements 2, 3 or the filtration system.
- the filter elements 2, 3 each have a transponder 6 at their upper ends 5.
- the transponder 6 consists in
- the transponder 6 is designed as a read / write transponder and can be protected by a password.
- the antenna 7 is for transmitting and receiving high-frequency sequence signals formed so that data can be exchanged between the electronic monitoring and test unit 4 and the transponders 6.
- the medium to be filtered is fed to the filter housing 1 via a feed line 8 and the filtrate is discharged via a line 9.
- the monitoring and test unit 4 reads out test and / or product data from single and / or multiple filter elements 2, 3 or from their transponders 6 via the communication part or antenna 7.
- the test and / or product data are processed by the monitoring and test unit 4.
- the data e.g. Integrity values, all transponders 6 or memory elements read and added individually.
- the sum of all limit values gives the limit value for the integrity test before or after using the multiple filter system.
- the limit values stored on the transponder 6 can be the values measured during production release (production release values) and / or the limit values a determined by validations.
- the limit values refer to all integrity test methods, e.g. Pressure drop test, diffusion test, bubble point or bubble pressure point test and / or water intrusion test. If the measured limit value deviates from the specified limit value, the start of the filtration is stopped or the filtration system is blocked.
- Limit fluctuations in the measurements can be detected and compensated for by a predetermined algorithm in the system according to the invention and / or, if appropriate, can be specified as a tolerance.
- the specified tolerance to the determined and / or specified limit value can be determined by validation or qualification.
- the product characteristics of each individual filter element are also queried and compared with specified data. In the event of deviations, the start of the filtration is prevented and an alarm may be triggered.
- Multiple filter consisting of a filter housing 1 and / or filter system with 12 filter elements 2, 3, which are checked for integrity by pressure drop and / or diffusion test. This test is carried out before and / or after the filtration. Normally, the maximum pressure drop and / or diffusion limit values specified by the filter manufacturer of each individual filter element are added to obtain an overall limit value, e.g. 12 x 45 ml / min diffusion limit, i.e. a total limit of 540 ml / min.
- the limit value a of 45 ml / min has been determined by validation tests and is a fixed value. This value often includes a safety tolerance that is often not achieved when production is released. Test values below the limit a are more often measured.
- the invention now uses the actually measured data during production release, the production release values b and stores them in the individual electronic memory element or transponder 6 of the filter elements 2, 3. This is to be clarified using the following table.
- the diffusion values or production release values b which are measured in the production release, are always lower than the validated limit value a, which is why known systems can lead to the situation in which a filter element exceeds the limit value a and is not noticed.
- the integrity test device or the monitoring and test unit 4 only measures the sum of all filter elements (377 ml / min) and compares this data with the sum of all limit values a (540 ml / min).
- the filter system would pass the test, which would be wrong since a single filter element exceeded the limit of 45 ml / min with 65 ml / min. In total, this cannot be recorded.
- the present invention now uses the tested production release values b and stores each measured value on the memory element or transponder 6 of the respective filter element 2, 3. These test data are read when filter elements 2, 3 are used and summarized as a limit value, in the example 339 ml / minute If a filter element now goes beyond the limit value, this becomes immediately clear and can therefore be detected.
- the maximum step value as the difference between limit value a and production release value b can be taken from filter element 2 with the highest diffusion value.
- the maximum limit of two 30 '' filter elements 2, 3 is 90 ml / min.
- the value actually measured in production is 25 ml / min for one filter element 3 and 26 ml / min for the other filter element 2.
- the steps of a method according to the invention are shown by way of example in FIG.
- the data After the data have been read out from the transponder 6 of the individual filter elements 2, 3, the data are evaluated. Insofar as impermissible filter elements and / or limiting data from at least one filter element 2, 3 are determined, the filtration system is blocked or the filtration process is stopped. If no impermissible filter elements have been found or no limiting data has been reached, the limit values a and the production release values b are summed for the respective integrity test. If the sum of the production release values b exceeds the sum of the limit values a or is the same ( ⁇ a ⁇ b), the filtration system is also blocked.
- permissible tolerance values c to ⁇ are determined and stored in accordance with the method described above. After a collective integ rity test of all filter elements and determination of a real value c rea i f it is checked whether the real value is greater than or equal to the sum of the limit values a. If this is the case, the filtration system is also blocked. If this is not the case, it is checked whether the real value c rea ⁇ is greater than or equal to the permissible tolerance value c zu ⁇ . If this is the case, the filtration system is blocked. If this is not the case, the real value c rea ⁇ is stored.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Examining Or Testing Airtightness (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/491,554 US7048775B2 (en) | 2001-10-17 | 2002-10-14 | Device and method for monitoring the integrity of filtering installations |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10151269.4 | 2001-10-17 | ||
DE10151269A DE10151269B4 (de) | 2001-10-17 | 2001-10-17 | Verfahren zum Überwachen der Integrität von Filtrationsanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003037483A1 true WO2003037483A1 (de) | 2003-05-08 |
Family
ID=7702807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/011452 WO2003037483A1 (de) | 2001-10-17 | 2002-10-14 | Vorrichtung und verfahren zum überwachen der integrität von filtrationsanlagen |
Country Status (3)
Country | Link |
---|---|
US (1) | US7048775B2 (de) |
DE (2) | DE10151269B4 (de) |
WO (1) | WO2003037483A1 (de) |
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EP1844836A2 (de) | 2006-04-12 | 2007-10-17 | Millipore Corporation | Filter mit Speicher-, Kommunikations- und Drucksensor |
EP2223738A3 (de) * | 2009-02-13 | 2010-09-29 | Millipore Corporation | Autonomes Filterelement |
US7901627B2 (en) | 2006-04-12 | 2011-03-08 | Millipore Corporation | Filter with memory, communication and concentration sensor |
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Also Published As
Publication number | Publication date |
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DE10151269A1 (de) | 2003-05-08 |
DE20215056U1 (de) | 2003-02-06 |
US20040256328A1 (en) | 2004-12-23 |
DE10151269B4 (de) | 2005-08-25 |
US7048775B2 (en) | 2006-05-23 |
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