EP3801927A1 - Reinigungsbehälter zur reinigung von ventilen von dosieranlagen und entsprechendes reinigungsverfahren - Google Patents
Reinigungsbehälter zur reinigung von ventilen von dosieranlagen und entsprechendes reinigungsverfahrenInfo
- Publication number
- EP3801927A1 EP3801927A1 EP19726022.7A EP19726022A EP3801927A1 EP 3801927 A1 EP3801927 A1 EP 3801927A1 EP 19726022 A EP19726022 A EP 19726022A EP 3801927 A1 EP3801927 A1 EP 3801927A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- cleaning
- metering
- metering valve
- valve
- 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
Links
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
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0323—Arrangements specially designed for simultaneous and parallel cleaning of a plurality of conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
- B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
Definitions
- the present invention relates to a container (1) suitable for cleaning metering valves of a metering system, which can be placed on a metering valve (10) and comprises a container opening (1a), a container body (2) and a container bottom (3) at least one admitted into the container bottom (3) nozzle (4) through which the container (1) can be acted upon with compressed air and / or by a detergent in the container (1) can be pumped, and at least one in the container bottom (3) recessed outlet (5), a use of the container (1) for cleaning metering valves of a metering system, a metering valve (10) on which a container (1) is mounted, a metering system comprising at least one such metering valve (10) and a method for cleaning metering valves of a metering system, the method comprising at least one step (1), namely a cleaning of at least one metering valve tils a metering system using at least one container (1).
- Coating compositions which can be used in the automotive industry are nowadays usually produced both on a (large) industrial scale and for development purposes in the laboratory using a dosing system suitable for this purpose.
- the dosing system is usually used for the production of a variety of chemically and application-different coating compositions and precursors thereof, such as electrocoating, fillers, basecoats and topcoats including clearcoats and precursors such as pigment pastes or semi-finished products in general.
- Such dosing systems used in this field are usually based on a gravimetric procedure which makes use of pivotable and / or stationary valves.
- Such impurities can lead to an undesired deflection of the metering jet during a subsequent metering. As a result, it may lead to further contamination of the environment such as the scale used a gravimetric dosing.
- such dried-on impurities can lead to incorrect dosages, for example if the amount to be metered is not completely metered into the container provided for this purpose, but nevertheless hits the balance. If, for example, 20 g of 100 g of a quantity of a specific component to be metered do not meet the container but still weigh, the dosage from the metering unit is noted as complete and correct, but the unrecognized metering error with respect to this component is actually 20% by weight. %.
- a cleaning of valves of the dosing usually takes place on the basis of "scrapers" when the valves are pivotable.
- the valve is moved over such a scraper, which represents a kind of fixed brush or sponge.
- cleaning is usually done by brushing.
- the valve is cleaned by means of a rotating brush roller, which is usually wetted with an aqueous detergent.
- a disadvantage of this method is the risk of possible cross-carryover of contaminants via the brushes or the scrapers to further valves to be subsequently cleaned, since the contaminants can adhere at least partially to the brushes and scrapers and these several times for cleaning additional valves are used.
- these conventional cleaning methods often do not provide adequate cleaning performance.
- An object of the present invention is therefore to provide a method for cleaning metering valves of metering systems, which does not have the disadvantages mentioned above and by which in particular the occurrence of incorrect metering due to undesirable contamination within the metering valve and in the region of the opening of the metering valve can be prevented ,
- a first subject of the present invention is therefore a container (1) which is suitable for cleaning metering valves of a metering system, wherein the container (1) can be placed on a metering valve (10) and a container body (2) and a container bottom (3).
- the container (1) in its interior at least one in the container bottom (3) recessed nozzle (4) through which the container (1) can be acted upon with compressed air and / or by a cleaning agent in the Container (1) can be pumped, wherein the nozzle (4) is preferably connected to a removable connector (6), which has both a compressed air connection (6a) and a connection (6b) for connecting a device (7) of which a cleaning agent can be pumped into the container (1)
- the container (1) has at least one outlet (5) embedded in the container bottom (3) and the container (1) preferably has a container opening (1a) which is such that at least the head (10a) of the valve containing the valve opening Dosing valve (10) when placed on the container (1) on the metering valve (10) is enclosed by the container (1) flush.
- Another object of the present invention is a metering valve (10) on which a container according to the invention (1) for cleaning the metering valve is placed.
- Another object of the present invention is a metering system comprising at least one metering valve (10) on which a container according to the invention (1) is placed for cleaning the metering valve.
- Another object of the present invention is a method for cleaning metering valves of a metering system, characterized in that the method comprises at least one step (1), namely
- the container (1) used according to the invention has improved cleaning compared with conventional cleaning methods
- the container (1) according to the invention can be placed on the dosing valve (10) to be cleaned and comprises a container body (2) and a container bottom (3), has in its interior at least one nozzle (4) embedded in the container bottom (3) also has at least one in the container bottom (3) recessed outlet (5). Through the nozzle (4), the container (1) can be acted upon with compressed air and / or a cleaning agent in the container (1) are pumped.
- the container (1) according to the invention is suitable for cleaning metering valves of a metering system such as a gravimetric. Therefore, the container (1) is a cleaning container.
- the container (1) has a container body (2) and a container bottom (3). In addition, the container (1) has a container opening (1 a). The container (1) can be placed on the metering valve (10). The placement takes place from the perspective of the metering valve (10) from below, since the metering valve usually has a downwardly directed metering head (10a), which includes the valve opening.
- the container (1) has a container opening (1 a), which is such that at least the valve opening containing the head (10 a) of the metering valve (10) when placed on the container (1) on the metering valve (10) the container (1) is enclosed or can be flush.
- quick fasteners are suitable, which are preferably screwed.
- the unit of container body (2) and container bottom (3) of the container (1) has the shape of a cylinder, particularly preferably a cup or a cup.
- any type of material is suitable for producing the container (1), in particular the container body (2) and the container bottom (3).
- the container (1) is made of at least one metal or at least one alloy.
- the container (1) and in particular of the container body (2) and the container bottom (3) steel more preferably stainless steel used.
- the volume of the container body (2) is preferably in a range of 100 ml to 1.5 l, more preferably in a range of 150 ml to 1 l, most preferably in a range of 200 to 700 ml.
- the container (1) according to the invention preferably has exactly one nozzle (4).
- the at least one nozzle (4) is recessed centrally in the center of the container bottom (3).
- the container (1) can be acted upon with compressed air and / or through which a cleaning agent in the container (1) are pumped.
- the container (1) according to the invention when placed on the metering valve (10) to be cleaned, is at an overpressure of up to 0.5 bar, more preferably of up to 0.4 bar, in particular of up to 0.3 bar applicable, ie the container (1) is such that it can withstand this overpressure.
- the at least one nozzle (4) is connected to a detachable connecting element (6) which has both a compressed air connection (6a) and a connection (6b) for connecting a device (7) by means of which a cleaning agent into the container (1) can be pumped.
- the device (7) preferably comprises a pump (8), such as a diaphragm pump.
- the device (7) further preferably comprises at least one storage container (9), the one to be used Detergent contains, By means of the pump (8), the detergent from the reservoir (9) for the purpose of cleaning in the container (1) are pumped when it is placed on the dosing valve (10) to be cleaned.
- the connecting element (6) preferably has the shape of a T-piece and is preferably attachable to the nozzle (4), particularly preferably screwable.
- a cleaning agent can be pumped into the container (1).
- the cleaning agent is preferably in the form of a solution, more preferably an aqueous solution.
- This solution preferably constitutes a rinsing solution.
- this solution contains at least one cleaning agent.
- the detergent used is aqueous and is suitable for cleaning impurities of any kind.
- a hybrid washing solution is used as a cleaning agent that can remove both inorganic and organic impurities, which has the advantage that no change of detergent is required and cleaning regardless of the nature of the impurities.
- Such a hybrid washing solution preferably contains at least one water-miscible organic solvent such as acetone and also water, preferably in a relative weight ratio ranging from 6: 1 to 1: 1, especially 5: 1 to 1.5: 1 (organic solvent to water ).
- the cleaning agent used can be removed from the container again after use.
- the removal preferably takes place by applying compressed air to the nozzle (4) or to the compressed air connection (6a) of the connecting element (6).
- the at least one outlet (5) is preferably closable.
- the outlet (5) is connected to a check valve (5a).
- Another object of the present invention is a use of the container (1) according to the invention for cleaning metering valves of a dosing.
- the use according to the invention is preferably carried out in such a way that the cleaning takes place by means of at least one cleaning agent and / or by means of compressed air, more preferably both by means of at least one cleaning agent and by means of compressed air in succession.
- Another object of the present invention is a metering valve (10) on which a container according to the invention (1) for cleaning the metering valve is placed.
- the metering valve (10) may be pivotable or not pivotable. Furthermore, the metering valve may be part of a mobile metering station or part of a metering system such as a gravimetric metering system.
- the metering valve (10) is preferably a fine and coarse flow valve, that is capable of both the metering of fine streams and coarse streams. Dosing system according to the invention
- Another object of the present invention is a metering system comprising at least one metering valve (10) on which a container according to the invention (1) is placed for cleaning the metering valve.
- the dosing system according to the invention is preferably a gravimetric dosing system.
- Another object of the present invention is a method for cleaning metering valves of a metering system, characterized in that the method comprises at least one step (1), namely
- the container (1) is placed on the metering valve.
- the cleaning preferably takes place by means of at least one cleaning agent and / or by means of compressed air.
- the cleaning according to step (1) is particularly preferably carried out both by means of at least one cleaning agent and by means of compressed air.
- the purification according to step (1) takes place in at least two stages within stages (1a) and (1b) in this order, namely by
- Container (1) by means of compressed air.
- the cleaning by means of at least one cleaning agent allows a detachment of impurities adhering to and / or in the metering valve (10), in particular on and / or in the head (10a) of the metering valve (10).
- step (1a) at least one cleaning agent is pumped by means of a pump (8) into the container (1).
- the cleaning agent comes from the reservoir (9)
- the cleaning by means of compressed air allows drying of the metering valve (10) and in particular the head (10 a) of the metering valve (10). This prevents that after cleaning by means of at least one detergent in / on the metering valve (10) or in / on the head (10a) of the metering valve (10) adhering residues of the detergent used fall in later use of the metering in the dosage in the container can be dosed in the.
- Fig. 1 a flow diagram of the method for valve cleaning for a metering valve is shown, which makes use of the container (1) according to the invention.
- cleaning two operating modes are possible here: either, as shown in FIG. 1, each of the two cleaning containers can be operated separately as a ring line. Then you work with a reservoir for pre-cleaning and another reservoir for final cleaning.
- each valve is always cleaned with a "fresh", ie uncontaminated cleaning agent. There is no carryover of impurities to / in the metering valves.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Washing And Drying Of Tableware (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Cleaning In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18174816 | 2018-05-29 | ||
| PCT/EP2019/063800 WO2019229053A1 (de) | 2018-05-29 | 2019-05-28 | Reinigungsbehälter zur reinigung von ventilen von dosieranlagen und entsprechendes reinigungsverfahren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3801927A1 true EP3801927A1 (de) | 2021-04-14 |
| EP3801927B1 EP3801927B1 (de) | 2023-07-26 |
Family
ID=62528252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19726022.7A Active EP3801927B1 (de) | 2018-05-29 | 2019-05-28 | Reinigungsbehälter zur reinigung von ventilen von dosieranlagen und entsprechendes reinigungsverfahren |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20210205860A1 (de) |
| EP (1) | EP3801927B1 (de) |
| CN (1) | CN112203777A (de) |
| WO (1) | WO2019229053A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984311B (zh) * | 2023-07-31 | 2025-09-16 | 仁新焊机机器人(成都)股份有限公司 | 一种阀体智能清洗系统及清洗方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183066A (en) * | 1991-04-02 | 1993-02-02 | General Dynamics Corp., Air Defense Systems Division | Spray nozzle cleaning apparatus and method |
| DE19619000A1 (de) * | 1996-05-10 | 1997-11-20 | Gottlob Schwarzwaelder | Vorrichtung und Verfahren zum Reinigen von farb- und lackverschmutzten Gegenständen |
| DE10163744A1 (de) * | 2001-12-21 | 2003-07-03 | Topack Verpacktech Gmbh | Reinigungseinrichtung und Reinigungsverfahren für Leimauftragdüsen |
| DE102006039641A1 (de) * | 2006-08-24 | 2008-02-28 | Volkswagen Ag | Reinigungsvorrichtung für Zerstäuber, insbesondere Farbspritzpistolen, sowie Verfahren zur Reinigung eines Zerstäubers |
| KR101086771B1 (ko) * | 2009-09-25 | 2011-11-25 | 주식회사 포스코 | 시약 용기 세정장치 |
| SE534559C2 (sv) * | 2010-02-24 | 2011-10-04 | Hedson Technologies Ab | Sprutpistoltvättanordning och metod för att anordna en sprutpistol däri, samt pistolhållare därför |
| DE102014016364A1 (de) * | 2014-11-05 | 2016-05-12 | Eisenmann Se | Reinigungsverfahren und Reinigungsvorrichtung für ein oder mehrere Teile eines Applikationssystems |
| CN206577949U (zh) * | 2017-01-26 | 2017-10-24 | 上海发那科机器人有限公司 | 一种用于静电喷涂的旋杯清洗机 |
-
2019
- 2019-05-28 CN CN201980036234.2A patent/CN112203777A/zh active Pending
- 2019-05-28 US US17/059,461 patent/US20210205860A1/en not_active Abandoned
- 2019-05-28 WO PCT/EP2019/063800 patent/WO2019229053A1/de not_active Ceased
- 2019-05-28 EP EP19726022.7A patent/EP3801927B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112203777A (zh) | 2021-01-08 |
| EP3801927B1 (de) | 2023-07-26 |
| US20210205860A1 (en) | 2021-07-08 |
| WO2019229053A1 (de) | 2019-12-05 |
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