• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Disposition and cleaning procedure of a material storage container for the transport technique that has a pressurized pressurized material storage container (2), a supply of compressed air (52), at least one rotating arm (62) having nozzles (90) arranged or arranged in the pressure vessel (2), a suction (46), a transport path (44) connecting the interior of the pressure vessel (2) with the suction (46) ), an outlet valve (40) for closing and opening the connection via the transport path (44) between the pressure vessel (2) and the suction (46) and a control unit (84) for opening and closing control of the outlet valve (40). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2554560A2
    申请号:ES201331381
    申请日:2013-09-23
    公开日:2015-12-21
    发明作者:Hermann Linder
    申请人:Hermann Linder；
    IPC主号:
    专利说明:

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    Pressurized separately with the compressed gaseous medium (for example, by intermediate switching of a valve between each set of nozzles and the source of the compressed gaseous medium), so that the compressed gaseous medium 5 is introduced into the container respectively only by one of the nozzle sets. In this way, the irrigation efficiency of the inner wall of the container can be increased with the compressed gaseous medium, since a pressure jet can then be generated with high pressure by means of the
    10 set of respective nozzles. In this case, the sets of nozzles can be supplied successively and in a delayed manner with the compressed gaseous medium.
    In the cleaning arrangement that works with overpressure, the pressure of the container is preferably escaped with the closure device open, while no compressed gaseous medium is introduced through the set of nozzles and, on the contrary, the gaseous medium is fed compressed by the nozzle set, while the closing device is closed. However, it can also
    20 it is envisaged (for example, for a first pre-cleaning) that the pressure is introduced by one or more sets of nozzles, while the closing device is still open.
    Advantageously, the external air supply by the air supply device is carried out by means of tangential or oblique inlet inside the container, so that a swirl or cyclone is formed inside the container that additionally to the action of the jets of the nozzles cover the inner walls of the container and thus raise the action of elimination of contaminants. The formation of a whirlpool 30 or cyclone also works in angular containers, since generally there can also be formed a swirl or in containers with square cross-section whose corners are generally rounded. Alternatively or additionally, the outside air introduced by the air supply device is directed in the direction of the container lid, so that the contaminants swirled by


    the pressurized air jets or jets are immediately evacuated in the outlet air stream. In the configuration, instead of or in addition to the tangential inlet of outside air by the air supply device, an air stream
    5 can also be directed against the upper inner wall or the inner wall of the lid of the container to achieve as complete a possible exchange of air between the dust cloud released by means of the compressed gaseous medium and the fresh or outside air .
    10 Advantageously, the outlet of the container to the settling device is arranged at a lower site or in the lower area of the container, so that within the container the flow of contaminants is directed from top to bottom. This reduces the amount of air flow required, since
    15 the material must not rise against the force of gravity. At least one set of nozzles are preferably provided with multi-hole nozzles and / or one or more slot nozzles that respectively form a jet of
    20 compressed air with defined jet direction. Advantageously, the nozzles in the sets of fixed nozzles are configured so that the inner wall of the container is pressurized perpendicularly or almost perpendicularly, so as to optimize the mechanical action of the
    25 pollutant release. In the sets of mobile nozzles, the nozzles are preferably configured so that the pressure jet strikes the surface at least most of the time perpendicularly or at an acute angle with respect to the normal surface.
    30 When the contaminant escapes from the inner wall of the container, the contaminants are dispersed in a cloud of dust inside the compressed gaseous medium and / or the outside air and become a form that can be easily evacuated by a gaseous stream. In the version with the container
    In overpressure, the material within the volume of the container is preferably expanded by the formation of a
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    72.-Tangential inlet valve 74.-Cyclone 76.-Angled pipe 78.-Spherical head
    5 80.-Pressure jet 84.-Control unit 86.-Canister photoreflector 88.-Transport photoreflector 90.-Nozzle
    10 90a.-Inclined nozzle 92.-Swivel bearing 94.-Arched radial groove nozzle 96.-Spindle groove nozzle 100.-Multiple swivel arm
    15 102.-Swivel bearing 104.-Main arm 106.-Secondary arm α.-Angle EXPOSURE OF A PREFERRED EMBODIMENT
    Figures 1A to 1C show an emission vessel 2 as known from DE 20 20 10 005 875 U in side elevation, viewed from above and in cross-section. The emission vessel is composed of a side wall (4) that is welded around it with a container lid (10)
    25 and a bottom (6) of container. The lid (10) is configured round, for example, in a hemispherical shape, or alternatively it is configured as a basket bottom, hemispherical or the like. The container bottom (6) and the side wall (4) form a conical wrapping surface or funnel surface that
    30 decreases conically downward and becomes an elbow (8). The bulk product stored in the emission pressure vessel (2) is fed through the elbow (8) to a transport pipe not shown in the transport system. The bottom (6) of the container and the side wall (4) are
    35 joined together by a tension ring (12). Consoles (13) are welded in the upper part of the side wall (4)
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    material. This source of compressed air makes available free compressed air without oil with sufficient flow for the dry cleaning process, so that the gaseous medium for dry cleaning is available to
    5 the minimum costs.
    Compressed air controlled by the compressed air supply (52) can be fed or stopped by a supply valve (56). At the bottom of the cover (58) there is a separator tube (60) that is inserted in
    10 the inner chamber of the pressure vessel (2) and at which lower end a rotating arm (62) is rotatably housed. The rotating arm (62) has several fine nozzles (90) not shown from which jets under pressure (64) are supplied when supplied with compressed air. The nozzles (90) have
    15 different directions along the surface of the rotating arm (62), such that they discharge pressure jets (64) in different spatial directions. At the end of the spray arm one or more nozzles (90) with a tangential component or the rotating shaft (arranged here coincides with
    20 the separator tube (60)), so that the bouncing of the pressure jet (64) rotates the rotating arm (62). When rotating, the pressure jets (64) cover different areas of the inner wall of the pressure vessel (2). The nozzles (90) are also directed especially upward in the direction of the
    25 inner wall of the lid (10), so that dust and contaminants are purged from the inside of the lid (10). In the dry cleaner configuration according to Figure 2, the pressure vessel (2) can be pressurized with overpressure compared to atmospheric pressure. By
    For example, with an overpressure of at least 400 mbar, 600 mbar, 1 bar, 2 bar, 3 bar, 4 bar, 5 bar or 6 bar. For dry cleaning of the pressure vessel (2), initially all the material is evacuated, so that the pressure vessel (2) is 'empty'. In case the cleaning cover (58) is not
    35 permanently mounted with the swivel arm (62) even during the transport process, for example, the
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    slight overpressure and the cyclone (74). The slight overpressure can amount to a maximum of 50 mbar, 100 mbar, 200 mbar or 400 mbar. Dust blown by pressure jets
    (80) is effectively evacuated by the cyclone (74) in the direction of the
    5 aspiration (46). At the time of time m the supply valves (56) and the tangency inlet valves (72) are closed and the suction (46) applies a slight depression. Due to the slight variation in pressure, light pressure jets are formed here that support the evacuation with the
    10 cyclone Here, the dry cleaning is preferably repeated cyclically. The m-n-o cycle corresponds here to the k-l-m cycle.
    In configuration, only one of the feed valves
    (56) opens out of phase, or in each cycle only one
    15 of the feed valves (56). The advantage of opening only one of the feed valves (56) is that by introducing only one of the spherical heads (78), the increase in pressure inside the pressure vessel (2) is low and / or you get more flow of
    20 compressed air by a spherical head (78), so that with higher pressure (i.e., with a stronger pressure jet (80)) the contaminant around the spherical head (78) momentarily in operation can be purged more efficiently.
    Of course, in the arrangement of figure 2 the arrangement of figure 3 can also be used with the three feed valves (56), the three angled pipes (76) and the three spherical heads (78) instead of the separator tube
    (60) and swivel arm (62). It can also be used in the
    30 arrangement of figure 3 instead of the three spherical heads (78) the swivel arm (62) of figure 2 with the corresponding connection. Generally, in the use of several nozzles that can be supplied separately with compressed air via the feed valves (56), although
    35 an injection of outdated compressed air can be made by the corresponding nozzle so that the duration


    If the dry cleaning cycle is prolonged, due to the higher pressure or flow of the jet under pressure (64/80), a greater evacuation effect is achieved.
    Figure 4 shows schematically as a diagram of
    5 blocks a control unit (84) that controls the dry cleaning cycle for the arrangement according to Figure 2 or 3. By way of example both arrangements are marked here - for example, both the feed valves (56) that are used in the arrangement of figure 2, as well as the valves of
    10 tangential inlet (72) and feed valves (56) that are used in the arrangement of figure 3. The air pressure inside the pressure vessel (2) can be measured by the pressure sensor (previously described. If performed a dry cleaning cycle control,
    15 for example, by not exclusively using a certain duration (preset duration) of the time intervals, in the cycle represented in Figure 5, for example, the moment of time b can be determined by the fact that the pressure due to the action of the suction (46) has been reduced to a
    20 determined value below atmospheric pressure. Then the outlet valve (40) is closed and the feed valve (56) is opened, so that the compressed air enters the pressure vessel (2) and increases the pressure until it is determined at the time of time c by measuring
    25 pressure, so that the overpressure adopts or exceeds a preset value (see above - for example, 2 bar absolute). If this pressure value is reached, the outlet valve (40) opens and the feed valve (56) closes. As described above, this cycle can be repeated.
    30 The control unit (84) can also set the number of dry cleaning cycles due to cleaning progress. For this purpose, for example, a photoreflector of the container (86) is arranged in the pressure vessel (2) and / or a transport photoreflector (88) in the transport path (44). With the
    35 photoreflectors (86, 88) a beam of light is irradiated in the pressure vessel (2) or the transport path pipe (44) and


    Measure a reflection signal. At a high reflection signal there is a high proportion of dust inside the pressure vessel (2) or the transport pipe (44), so that a high degree of contamination can be deduced. Yes reflection
    5 is, on the contrary, low, then little dust or few pollutants swirls momentarily, from which a good cleaning success can be deduced - depending on the phase of the cleaning cycle.
    In the cleaning cycle shown in Figure 5 you can
    10 be measured inside the pressure vessel (2), for example, shortly before the time of time c or e, if in the presence of contaminants a greater proportion of dust swirls in the vessel. If, on the contrary, at this time only a low proportion of dust is determined, then
    15 a cleaning can be deduced that has been sufficiently completed. On the contrary, by means of the transport photoreflector (88) it can be measured in the cycle of Figure 5 in the intervals cd or ef, so as to determine whether the air evacuated in the direction of the aspiration (46) carries with it or not a high proportion of
    20 powder The control unit (84) can compare the measurement signal with a threshold value and perform a new dry cleaning cycle in case the measurement signal exceeds the threshold value. In the dry cleaning cycle shown in the figure
    25 6, by means of the photoreflector of the container (86) it is also measured shortly before the moments of time myo, while due to the tangential inlet valve (72) opened with the transport photoreflector (88) it is also measured at or approximately the moments of time myo for
    30 determine whether other dry cleaning cycles should be performed.
    Figure 7 schematically shows in side elevation the position of the nozzles (90) relatively with respect to a section of the vessel wall - here a section of the container lid (10). In the nozzle (90), the pressure jet 35 (64) is oriented parallel to the normal surface area of the pressurized surface area with compressed air. That is to say,
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    权利要求:
    Claims (1)
    [1]
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE3412137A1|1984-03-31|1985-10-10|Klöckner-Humboldt-Deutz AG, 5000 Köln|Device for cleaning off deposits and baked-on material on wall surfaces|
    DE3900664C2|1989-01-11|1992-05-21|Colortronic Gmbh, 6382 Friedrichsdorf, De|
    US5279017A|1991-08-15|1994-01-18|Kraft Foods Limited|Method and apparatus for extracting particles from containers|
    US5478406A|1993-04-28|1995-12-26|Better Agricultural Goals Corp.|Method and apparatus for cleaning flexible containers|
    JP2005040744A|2003-07-24|2005-02-17|Thai Toyo Denso Co Ltd|Air blow cleaning device|
    JP2006314936A|2005-05-13|2006-11-24|Toyota Motor Corp|Cleaning device of vessel, cleaning method, and tank|
    DE202010005875U1|2010-04-20|2011-08-10|Hermann Linder|Material storage container for the conveyor technology|
    DE102011112016B3|2011-08-30|2013-01-17|Woywod Kunststoffmaschinen Gmbh & Co. Vertriebs Kg|Method for cleaning dosing devices used to feed devices - for example extruders, injection molding machines or the like - with bulk materials - pellets, chips, granules, powders, flakes, granules, flour or the like - and device for carrying out such a method and control for the cleaning of such a metering device|WO2020088733A1|2018-10-29|2020-05-07|Scanjet Marine Ab|Method and system for cleaning a surface of a receptacle|
    EP3837986A1|2019-12-20|2021-06-23|Tetra Laval Holdings & Finance S.A.|Nozzle arrangement for a powder handling apparatus|
    法律状态:
    2016-10-04| FG2A| Definitive protection|Ref document number: 2554560 Country of ref document: ES Kind code of ref document: B1 Effective date: 20161004 |
    2020-03-19| PC2A| Transfer of patent|Owner name: HOSOKAWA SOLIDS SOLUTIONS GMBH Effective date: 20200313 |
    优先权:
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    DE102013006822|2013-04-22|
    DE201310006822|DE102013006822A1|2013-04-22|2013-04-22|Cleaning arrangement with a material storage container for the conveyor and cleaning methods|
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