EP2516735A2 - Reinigungsvorrichtung - Google Patents
ReinigungsvorrichtungInfo
- Publication number
- EP2516735A2 EP2516735A2 EP10838785A EP10838785A EP2516735A2 EP 2516735 A2 EP2516735 A2 EP 2516735A2 EP 10838785 A EP10838785 A EP 10838785A EP 10838785 A EP10838785 A EP 10838785A EP 2516735 A2 EP2516735 A2 EP 2516735A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- treadmill
- cleaning head
- compressed air
- air
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 397
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 75
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 205
- 239000002245 particle Substances 0.000 description 16
- 239000007921 spray Substances 0.000 description 16
- 239000004744 fabric Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 238000011109 contamination Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- B08B5/04—Cleaning by suction, with or without auxiliary action
- B08B5/043—Cleaning travelling work
- B08B5/046—Cleaning moving webs
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/32—Washing wire-cloths or felts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0229—Suction chambers for aspirating the sprayed liquid
Definitions
- the invention relates to an apparatus and a method for cleaning a treadmill of a dryer fabric of a
- Fluid jet for cleaning the surface is generated and applied to the surface.
- Fluid jet for cleaning the surface is generated and applied to the surface.
- Compressed air produced at the head of the cleaning head is supplied to the cleaning head in order to be impacted by surface-treated treatment liquid and surface-released material Direction of the cleaning head cooperating with the
- the object of the present invention was to provide a device and a method for cleaning a treadmill of a
- Cleaning device (20) for cleaning the conveyor belt (1) of a dryer fabric in a papermaking plant (2) comprising at least one cleaning nozzle (40) for producing a high-pressure jet (60) of a liquid with a
- Impact point (61) on the treadmill at least one
- a cleaning head (80) having a discharge opening (84) and a main opening (81) facing the conveyor belt (1), the cleaning nozzle (40) being arranged outside the cleaning head (80).
- the treadmill is preferably the treadmill of a dryer fabric or the dryer fabric per se and is usually made of a porous, air-permeable material in which easily
- cleaning device is also suitable for analogous applications in which one is preferably in motion
- a cleaning nozzle or jet nozzle according to the invention is a nozzle which is set up to produce a jet of a fluid, preferably a jet of a liquid.
- the cleaning nozzle is set up a
- This pressure is preferably in the range from 250 to 600 bar, more preferably in the range from 350 to 560 bar. Most preferably, the pressure is 450 bar. This is preferably this
- the diameter of the nozzle opening is preferably in the range of 0.1 mm to 0.3 mm. Particularly preferably, the diameter is about 0.15 mm.
- Cleaning nozzle preferably has a connection hose which is adapted to supply the fluid used. At the other end of the connection hose is preferably a
- the delivery tube is particularly preferably a Teflon tube.
- Impact point) - is adjustable.
- the orientation of a cleaning nozzle according to the invention can preferably be adjusted via two angles. On the one hand this is the angle Wl, the imaginary projection of a producible from the cleaning nozzle high-pressure jet with the
- the orientation of a cleaning nozzle according to the invention is preferably preferably electro-mechanically and / or hydraulically variable during the cleaning process.
- the cleaning head is a component already known in a similar manner from the prior art.
- DE 295 17 859 Ul and DE 693 14 805 T2 cleaning heads are described, which serve as a suction cup or suction chamber.
- the cleaning head in this invention is not limited to operation as a suction chamber as in the prior art.
- the cleaning head has a round cross-section and encloses an interior in which substances such as the resulting during cleaning and dirt leading with splash water and / or contaminated air and / or suspended matter can be collected.
- the cleaning head preferably has a discharge opening, through which the collected substances from the interior of the
- the cleaning head are transported away, or can escape.
- the cleaning head is a tube-like component.
- a particularly preferred arrangement is that the central axis of the cleaning head 3-8 mm before the
- the cleaning head arranged perpendicular to the surface of the treadmill.
- the cleaning head preferably has at
- Outlet opening - in the case of a pipe, for example, on the pipe end facing away from the treadmill - a connection piece on which the cleaning head is preferably connected to a drain and / or vacuum system. This is preferred
- the cleaning head is telescopically assembled from a plurality of pipe segments.
- the treadmill facing opening of the cleaning head is the main opening.
- the diameter of the cleaning head increases toward the main opening.
- the diameter of the main opening is in the range of 50 mm to 400 mm, more preferably the diameter is about 230 mm.
- the interior space between the main opening and the discharge opening preferably defines a discharge path for the collected substances.
- the cleaning head preferably has kinks and / or curves between the main opening and the discharge opening, so that the discharge opening is preferably located laterally of the conveyor belt.
- Cleaning head opening a sealing device.
- This sealing device is preferably a rubber lip adapted to the opening geometry.
- the cleaning head in its lateral surface closable openings or
- remote pipe end - attached more preferably in the range of kinks and / or curvatures of the cleaning head.
- the closable openings are preferably such
- the device according to the invention has at least one
- Cleaning nozzle on, outside the cleaning head is appropriate.
- This cleaning nozzle is preferably located outside of an existing in the interior of the cleaning head air flow, which leads in operation a mixture of dirt and water with it. The cleaning nozzle is thus protected from contamination by dirt and water in the air stream
- a cleaning nozzle is arranged outside the cleaning head and outside the imaginary extension of the cleaning head between the main opening and the treadmill.
- a cleaning nozzle attached outside the cleaning head has a
- the cleaning head is preferably rotationally particularly preferably translationally adjustable relative to at least one of these existing cleaning nozzles.
- the cleaning head is preferably rotationally particularly preferably translationally adjustable relative to at least one of these existing cleaning nozzles.
- the cleaning head is preferably rotationally particularly preferably translationally adjustable relative to at least one of these existing cleaning nozzles.
- Cleaning nozzle with respect to the cleaning head changeable.
- Cleaning head mounted cleaning nozzle to the outer surface of the cleaning head a minimum distance greater than zero, preferably in the range of 0.1 mm to 500 mm, especially
- the nozzle opening has just mentioned minimum distance to the outer surface of the
- the cleaning nozzle is arranged so that one of the cleaning nozzle generated
- the cleaning nozzle is not in direct contact with the cleaning head.
- the cleaning nozzle is preferably connected to the cleaning head solely by means of a holder projecting preferably from the outer wall of the cleaning head. Due to the described arrangement of the cleaning nozzle - including the nozzle nut ("nozzle retaining nut") - outside of the cleaning head this is not one in
- Cleaning nozzles is free.
- the nozzles are also not clogged by the suspended matter or contaminants in the air, which is particularly a within the cleaning head
- the cleaning head is also easier to clean.
- Cleaning head together with the components attached thereto is preferably 5 mm to 20 mm apart from the treadmill during the cleaning operation. Particularly preferably, this distance is about 10 mm.
- the wall of the cleaning head (80) at least one inlet opening (82) and at least one
- Cleaning nozzle is aligned so that a high-pressure jet (60) from the cleaning nozzle (40) from the outside through one of the existing inlet openings (82) on the treadmill (1).
- An inlet opening is for example a small hole, a hole, an oblique hole, preferably parallel to the DTS Kunststoff 8 S / Lh / kl
- Cleaning head is preferably a tube-like component is) extending gap, a recess or other passage having at least the diameter of the high-pressure jet.
- the diameter of such an inlet opening is in
- At least one such inlet opening is located in the wall of the cleaning head. Through such an inlet opening a high-pressure jet from the outside into the interior of the cleaning head.
- Cleaning nozzle located outside the cleaning head is thus adjustable to a point on the treadmill which lies within the outline of the projection of the geometry of the main opening on the treadmill. Such a point would be without the entrance opening through the side wall of the
- An inlet opening can for example also be covered by an adhesive tape so that a cleaning jet then shoots itself a hole through the adhesive tape and thus the inlet opening a precisely to the
- the inlet opening allows, despite the mounted near the treadmill cleaning head at least one jet on the treadmill in a preferably in the air flow of
- Main opening of the cleaning head can hit the treadmill. Dirt and sewage can be so right on the spot
- the cleaning nozzles attached outside the cleaning head are located in a position protected against contamination.
- this arrangement allows smaller diameter of the cleaning head and the
- the cleaning nozzles are distributed at equal intervals around the cleaning head around.
- the cleaning nozzles are distributed by more than half the circumference of the cleaning head.
- three cleaning nozzles are arranged.
- the cleaning nozzles are distributed at equal intervals around the cleaning head around.
- the cleaning nozzles are distributed by more than half the circumference of the cleaning head.
- three cleaning nozzles are arranged.
- Number of existing cleaning nozzles equal to the number of existing inlet openings. Preferred are the
- Cleaning nozzle is associated with an inlet opening.
- the cleaning nozzles are aligned so that the generated high-pressure jets from different directions on the treadmill preferably impinge on a line parallel to the running direction of the treadmill.
- the cleaning nozzles are aligned on a small, preferably elliptical surface on the treadmill in the range of preferably 1 mm 2 and 8 mm 2 , more preferably of 2 mm 2 and 4 mm 2 , preferably in the region of the central axis of the main opening.
- all impingement points of the high-pressure jets lie within a circular area with a radius of preferably 5 cm, particularly preferably 16 mm, very particularly preferably 5 mm.
- the cleaning nozzles are aligned to points that have a respective distance from each other of not more than 1 cm, preferably not more than 5 mm, more preferably not more than 3 mm, most preferably not more than 2 mm.
- Treadmill wets only a small area of the treadmill with liquid and concentrates the beam energy in a small area. This increases the cleaning power and at the same time, a subsequent independent or carried out via a drying device drying
- the cleaning nozzles are preferably aligned in such a way (see FIG. 7) that preferably the first two cleaning nozzles are arranged transversely to the Running direction of the treadmill and are preferably aligned on two points, the imaginary
- Connecting line is preferably parallel to the running direction of the treadmill and has a length in the range of preferably 0.5 mm to 3 mm, more preferably 1 mm to 2 mm.
- the third cleaning nozzle is aligned to a third point.
- the third point is in the running direction of the treadmill preferably after the point of impact of the first two cleaning nozzles in one
- Wl for the alignment of the third nozzle is 180 ⁇ 5 °, more preferably 180 ⁇ 2 15 °, most preferably 180 ⁇ 0.1 °.
- W2 is in each case for one of the existing cleaning nozzles in the range of preferably 5 ° and 85 °, particularly preferably 10 ° and 60 °, very particularly
- the cleaning nozzles (40) are aligned so that the high-pressure jets (60) have a common impact point (61) on the treadmill (1).
- the high-pressure jets are approximately aligned with a common impact point.
- At least one of the existing cleaning nozzles (40) is adapted to produce a high-pressure laminar jet (60).
- the tempering unit is preferably in the range of
- Tempering unit a water heater for controlling the temperature of the high pressure jets.
- At least one device (100) for supplying compressed air (101) is arranged on the treadmill in the region of at least one impact point (61) of at least one high-pressure jet (60).
- the device for supplying compressed air is preferably a preferably annular hollow body (torus, or "Donut"), which preferably has a connection for a compressed air hose, particularly preferably a channel for supplying compressed air from a compressed air pump or compressed air source to the
- Hollow body has.
- the device for injection has.
- the device for injection has.
- the device for supplying compressed air is: preferably arranged on the main opening;
- the invention comprises the device (100) for supplying compressed air (101) at least one air supply opening (102), wherein the existing air supply openings (102) are arranged so that the supplied compressed air (101) Air curtain (103) which deflects the rebounding from the treadmill (1) liquid in the direction of the main opening (81).
- Air supply openings are preferably small holes and / or gaps. Preferably, they have a diameter in
- Supply of compressed air as a preferred annular cavity is compressed air via the existing connection in the cavity and then fed out of the cavity through the air supply openings addition.
- the air supply openings are arranged and aligned so that the gap between the means for supplying compressed air and the treadmill can be shielded by compressed air.
- Invention is the means (100) for supplying
- Compressed air (101) arranged so that around the edge of the main opening (81) air supply openings (102) are distributed, which are aligned substantially at a point within an imaginary extension of the cleaning head (80).
- Main opening is adjusted and preferred on the edge of the
- Main opening is arranged, provided with air supply openings.
- the hollow body is arranged on the main opening outside of the cleaning head.
- the hollow body surrounds the cleaning head.
- Air supply openings are preferably arranged so that they with the plane of the treadmill an angle between 15 ° and 45 °, more preferably an angle of about 30 °
- Invention is within the cleaning head (80) a
- Water jets (121) are aligned in a direction substantially to the discharge opening (84).
- Water jet is preferably one in the cleaning head
- Body feedable and escapes through the existing holes preferably have a diameter of 0.5 mm to 1.5 mm, more preferably of about 0.8 mm.
- the holes are aligned so as to produce a jet of water substantially parallel to the inner wall of the
- the device for supplying at least one water jet is preferably attached to the inner wall of the cleaning head and is preferably extended around the inner wall. It is set up so that its construction does not substantially reduce the air flow in the interior of the cleaning head. Preferably, it is above the existing inlet openings for the
- Invention is within the cleaning head (80) a
- Means for supplying at least one water jet also apply to those within the cleaning head
- Device for supplying compressed air preferably one
- compressed air can be supplied via a channel.
- the holes are so and preferably aligned as small compressed air nozzles that they produce at least one compressed air jet, which is parallel to the inner wall of the cleaning head in a direction toward the discharge opening, ie preferably in the direction of an air stream generated in the cleaning head, or particularly preferred in the
- the holes slightly obliquely arranged relative to an imaginary transverse plane through the cleaning head.
- the described device for supplying at least one water jet and attached within the cleaning head supply of compressed air are realized in a structural unit.
- the cleaning head is preferably connected to the discharge opening to a collecting system for the removal of dirt and spray.
- the dryer unit preferably has means for drying the belt.
- the dryer unit is on
- the dryer unit is in the same position transverse to the treadmill as the center of the DTS Kunststoff 16 S / Lh / kl
- Main opening arranged, ie in a direction parallel to the running line with the center of the main opening
- the dryer unit is on the
- the dryer unit (160) at least one on the treadmill (1) directed air nozzle (161).
- the existing air nozzles are each preferably mounted in groups on a holder, through which the existing air nozzles are aligned on the treadmill.
- the dryer unit has a plurality of air nozzles in one, preferably a plurality of rows along the running direction of the conveyor belt.
- the dryer unit has two rows of air nozzles along the running direction of the
- each row preferably having two air nozzles. Preferably, different rows are offset from each other.
- the existing on the dryer unit air nozzles are preferably configured an air flow, which at the
- Narrow nozzle and wide of the air nozzle is wide, more preferably to produce a conical air flow. Preferably, they are set up, one
- Air pressure jet preferably by compressed air in the range of preferably 0.5 bar to 6 bar, more preferably by
- Compressed air of about 4 bar to produce They are preferably arranged such that the generated air jets strike the wetted areas of the cleaning nozzles with liquid.
- Invention are in the presence of more than one air nozzle
- the existing air nozzles (161) are arranged so that they are at least from two different directions on the treadmill
- the existing air nozzles are arranged so that in addition the beam profiles at least partially
- Air nozzles arranged so that they are at least two
- Invention are at least the cleaning head (80) and
- At least one of the existing cleaning nozzles (40) mounted on a support means (180) and transversely to the running direction of the treadmill (1) movable.
- the object is further achieved by an inventive method for cleaning a treadmill (1) of a
- High-pressure jet (60) of a liquid which is preferably generated at a position outside the cleaning head (80) by a cleaning nozzle (40).
- Cleaning head does not pollute the cleaning nozzle when collecting dirt and / or suspended matter.
- Cleaning head (80) in addition at least one
- the irradiation of the cleaning head allows the main opening to be positioned very close to the belt. Nevertheless, the existing high pressure jets can be blasted onto the treadmill with a preferably acute angle between the surface normal with respect to the treadmill and the high pressure jet. If the main opening is close to the treadmill so that there is only a small gap of preferably 5 mm to 20 mm, more preferably 8 mm to 14 mm, most preferably about 10 mm between the treadmill and the edge of the main opening on the one hand, the splash water and the resulting dirt by the enclosure of the area that is being cleaned, collected. On the other hand, there is a preferred generation of a negative pressure at the discharge opening of the cleaning head, wherein the
- Negative pressure causes an air flow as a suction from the main opening to the discharge opening, with the same suction a stronger suction near the emergence of the spray water and the dirt. Moreover, in a particularly preferred generation of an overpressure in the region of the interior of the
- High pressure jet (60) the high pressure jets (60)
- the high pressure jets radiate to the belt so that the jets in the different wells and / or Pore of the treadmill with penetrate. More preferably, the high-pressure jets irradiate a line parallel to the running direction of the treadmill, so that a point of the treadmill is cleaned by the movement of the treadmill at short intervals of time with high-pressure jets from different directions.
- Main opening is located.
- the high-pressure jets preferably perform an approximately punctual cleaning of the treadmill.
- the treadmill is thereby at one point
- the liquid intended for the high-pressure jets (60) is additionally heated.
- the liquid is heated to a range between 20 ° and 200 °. Particularly preferably, the liquid is heated to about 60 °.
- the capillary action in the wire is much lower and the post-drying is characterized
- a vacuum source is additionally connected to the discharge opening of the cleaning head (80), so that an air flow (83) from the main opening (81) in the direction of the interior of the
- the air flow is modeled on the principle of the vacuum cleaner.
- the suction preferably causes a suction of the air and / or water, or on the other side of the
- Treadmill as the cleaning head is located.
- Vacuum source is for example a suction pump.
- the airflow (83) removes dirt and / or depleted water.
- the airflow carries dirt and / or
- the spent water is recycled for reuse.
- compressed air (101) is additionally supplied via a device (100) for supplying compressed air in the region of at least one impingement point (61), so that the rebounding from the raceway (1)
- Fluid is deflected by the supplied compressed air (101) in the direction of the main opening (81).
- the compressed air is supplied to the main opening.
- compressed air is supplied so that a
- High pressure jets forms.
- compressed air is supplied via a plurality of air pressure nozzles at the main opening, the compressed air supplied preferably to the center of
- compressed air is preferred in the range of 1 bar to 600 bar, preferably 3 bar to 30 bar, more preferably 5 bar to 12 bar, most preferably used about 6 bar. These ranges are also preferred for
- Compressed air which is supplied with a device for feeding inside the cleaning head and / or which is used by one or more air nozzles of a drying unit for drying the treadmill.
- the devices for supplying compressed air and the dryer unit are preferably set up for the use of appropriate pressures.
- Supplying compressed air creates an overpressure in the region of at least one impact point (61), wherein the overpressure also propagates into the interior of the cleaning head (80) and generates an air flow (83), which the rebounding
- the overpressure is preferably in the same areas as the compressed air supplied to generate the air curtain.
- the area of at least one impact point is preferably the space enclosed by the generated air curtain.
- the region is at least one
- Cleaning head is preferably up to the discharge opening, after which again sets an air pressure slightly above or equal to the ambient air pressure or normal pressure.
- the air pressure thus preferably takes in the interior of the
- Cleaning head of the area at least one
- the overpressure presses the dirt and the spray water out of the cleaning head in the direction of the discharge opening.
- a vertical transport path can be bridged against the force of gravity of more than 50 cm at a pressure of about 6 bar.
- Cleaning head has a small distance from the treadmill. This small distance is preferred by in the
- a major advantage of this type of generation of an air flow in the interior of the cleaning head is that preferably on devices for generating a negative pressure, so for example
- Suction pumps can be dispensed with.
- Overpressure sources are usually already present in the (papermaking) factory, but rarely are vacuum sources.
- Cleaning head (80) generated, the dirt and depleted water removed.
- the water jet is preferably generated in the direction of the air flow within the cleaning head.
- a plurality of water jets within the cleaning head preferably generated annularly on the inner wall of the cleaning head. Preference is given to dirt deposits on the
- Inner wall of the cleaning head replaced by the at least one water jet and in the direction of the air flow
- a water pressure of 4 bar to 6 bar is preferably used, particularly preferably one
- compressed air (141) is additionally introduced inside the cleaning head (80).
- Water jet is preferably through in the same way
- the effect is enhanced by the combined supply of compressed air and at least one jet of water.
- Dirt particles are preferably transported away through the discharge opening, preferably in a collecting channel.
- Collection channel is preferred from time to time
- the compressed air (141) is supplied in the interior of the cleaning head (80) in such a way that an air vortex is created.
- the air vortex is generated by the use of a plurality of compressed air nozzles inside the cleaning head, the compressed air lightly obliquely radiate to the inner wall of the cleaning head so that it propagates slightly helical in the direction of the air flow inside the cleaning head.
- a Venturi effect is preferred by at least one change in cross section of the
- the treadmill (1) is additionally dried after irradiating the treadmill (1) with at least one high-pressure jet (60) of a liquid through a downstream drying unit (160).
- the portion of the treadmill that has been freshly cleaned is dried by the dryer unit.
- Drying unit (160) at least one compressed air jet (162) on at least a portion of the treadmill (1).
- At least one conical compressed air jet is generated via a correspondingly arranged nozzle.
- the compressed air removes the water in the treadmill or the fluid used to clean the treadmill.
- the various compressed air jets strike the belt in such a way that depressions and / or pores present in the treadmill are irradiated with compressed air from different directions.
- a point of the treadmill is temporally successively - due to its movement relative to the dryer unit - irradiated from different directions with compressed air through the dryer unit.
- the included by the air jets and the surface of the treadmill angle is preferably in the range between 15 ° and 45 °, more preferably it is 30 °.
- the pressure used to produce these air jets is
- Treadmills (1) at least partially.
- Treadmills with minimal energy consumption for the production of compressed air and high pressure jets and with a minimum water consumption possible.
- FIG. 1 shows a sketch of a device according to the invention with a cleaning head and a cleaning nozzle arranged outside the cleaning head
- Fig. 2 is a sketch of a device according to the invention with a cleaning head and a cleaning nozzle arranged outside the cleaning nozzle, wherein the cleaning head has an inlet opening for the has high-pressure jet generated by the cleaning nozzle,
- 3a / b a sketch of a device according to the invention with a cleaning head, a cleaning nozzle arranged outside the cleaning nozzle and a device for supplying compressed air in the region of the impact point of the high-pressure jet on the treadmill, without (3a) and with (3b) an inlet opening for the high pressure jet.
- Fig. 4 is a cross section of an inventive
- Cleaning nozzles a device for supplying compressed air in the region of the impact point of the high-pressure jet on the treadmill, a device for supplying water jets inside the cleaning head and means for supplying compressed air inside the cleaning head,
- Fig. 5 is an illustration of an inventive
- Fig. 6 is an illustration of an inventive
- Fig. 7 is an auxiliary sketch, neither to scale nor
- Figure 1 is a section of a
- Paper production plant 2 shown, indicated by a run over a roller 21 treadmill 1 (drawn only in cross section).
- the cleaning device 20 is shown in a slightly perspective view. It consists in this exemplary embodiment of a cleaning head 80, which is here drawn as a detail of a cylinder.
- the cleaning head 80 is open at the bottom. This opening is the main opening 81.
- the cleaning head is arranged vertically above the treadmill at a distance of 35 mm.
- a cleaning nozzle 40 is part of
- a hose (not shown) connects the cleaning nozzle 40 to a high pressure pump (not shown).
- the impact point 61 and the center axis of the cleaning head are here on the Tangentialline running from the roller 21 treadmill. 1
- an air flow 83 in the inner cleaning head via a connected to the discharge port 84 pump or other means for generating a suction - these components are not shown here - set.
- Air, indicated by dashed arrows in the direction of the main opening 81, is sucked from outside the pipe through the main opening 81.
- a high-pressure jet 60 consisting of water is generated via the cleaning nozzle 40 and pumping means (not shown). This has a diameter of 0.15 mm, radiates on the treadmill 1 and meets there at the point of impact 61.
- the band is cleaned at the impact point 61 by the high-pressure jet 61 of dirt.
- the treadmill 1 moves, it is so continuously cleaned.
- the detached from the treadmill 1 dirt particles and at The resulting water spray are caused by the
- Dirt particles are not redeposited on the belt and most of the water used for cleaning can be used for cleaning after being reprocessed.
- FIG. 2 shows a cleaning device according to the invention similar to that shown in Figure 1, with the difference that now an inlet opening 82 is provided in the cleaning head.
- This inlet opening 82 is an oblique bore with the diameter of 0.25 mm.
- the cleaning head is now arranged at a distance of 10 mm from the treadmill.
- an air flow 83 is generated within the cleaning head 80 and a high pressure jet 60 (see description Figure 1).
- the high-pressure jet 60 strikes the treadmill 1 through the inlet opening 82 and consequently also through the main opening 81 at the impact point 61.
- Cleaning head 80 are transported away. In addition, the cleaning nozzle 40 is now even better from contamination by the dirt particles protected because the cleaning head 80 acts as a shield for the cleaning nozzle 40.
- the air pressure nozzles are each supplied via a hose (not shown), which carries compressed air.
- the point of impact 61 and the center axis of the cleaning head are here in front of the tangential line of running from the roller 21 treadmill 1, at a point where the treadmill 1 rests on the roller.
- the cleaning device 20 radiate the
- Air nozzles in each case an air pressure jet 101 against the treadmill, so that the spray water, which usually carries the detached dirt particles in operation with it as well as in the
- Splashing water bounces off the air pressure jets 101 and is thus directed in the direction of the main opening 81.
- the air jets 101 are deflected via the treadmill 1 in the direction of the main opening 81. The meeting of the
- Air jets 101 as well as the air jets deflected on the material web generate an overpressure which causes an air flow 83 substantially perpendicularly upward within the air jet
- Supply of compressed air 101 is a distraction of the
- Cleaning device 20 similar to that shown in Figure 3a with the difference that the cleaning beam 60 radiates through an inlet opening 82 on the treadmill 1 and this a closer positioning of the main opening 81 to the
- Treadmill 1 an even stronger air flow 83 arise because the excess pressure created by the compressed air jets 101 in the region of the main opening 81 is even more forced to equalize via the discharge opening 84 and not by other means to the ambient pressure.
- FIG. 4 shows a further exemplary embodiment of the cleaning device 20 according to the invention. Shown is a view of the interior of the cleaning head 80 (diameter: 228 mm, distance to the treadmill 1, not drawn: 10 mm) and the components attached thereto: - At the main opening 81 is a device 100 for
- the exit hole on the inside of the ring is slanted down to the center of the ring
- Air supply opening can serve. If a hole were used with a ridge in the cavity of the ring, impurities in the compressed air could settle on the ridge over time and the hole would become clogged after some time.
- the cleaning head has two lateral
- Water jet openings 122 with a diameter of 0.8 mm attached. The holes are drilled vertically upwards and parallel to the inner wall of the cleaning head 80. A water port 123 is provided on the ring body. Above the device 120 for supplying water jets
- 121 as a means 140 for supplying compressed air 141 inside the cleaning head 80 is a hollow Ring body with equally spaced holes drilled holes as air supply openings 142 with the
- Diameter 0.8 mm attached. The holes are drilled vertically upwards and parallel to the inner wall of the cleaning head 80. A compressed air connection 143 is at the
- Cleaning head 80 a bend by 90 °.
- the cleaning device 20 radiate the
- Cleaning nozzles 40 each have a high-pressure jet 60 consisting of water with a pressure of 450 bar to a common point of incidence 61 of two different
- the high pressure jets 61 clean the belt.
- compressed air 101 (shown by way of example only for two air supply openings 102, even if compressed air 101 flows out of all the air supply openings 102) is introduced into the annular body via the air supply openings 102
- Device 100 for supplying compressed air 101 is supplied.
- the individual, resulting jets of compressed air 101 converge to the vertical center axis of the cleaning head 80 and together form an air curtain 103, which includes the resulting spray between the cleaning head 80 and the treadmill 1.
- the compressed air 101 is further deflected itself and then acts in the direction of the interior of the cleaning head 80. It results in a strong
- Tread 1 diverges, is blocked by the air curtain 103 and deflected vertically upward into the cleaning head 80.
- Water is supplied into the ring body of the water jet supply device 120.
- the resulting individual water jets 121 generate a flushing of the inner wall of the cleaning head 80.
- the water pressure used here is 5 bar.
- Compressed air is supplied to the annular body of the device 140 for supplying compressed air 141.
- Compressed air jets 141 drive the water and the detached dirt particles in the direction of the discharge opening 84 forward.
- High pressure jet 60 is more effective than just one jet cleaning.
- the high-pressure jets 60 penetrate from different directions into pores and depressions of the belt 1, whereby a more thorough cleaning is achieved.
- Air supply openings 102 allows the formation of an air curtain enclosing the spray water 103.
- Cleaning device 20 shown in FIG. which, in contrast to the previously shown cleaning devices 20 three
- the cleaning device 20 shown here is provided with a
- Dryer unit 160 equipped. This has four
- Air nozzles 161 along the direction of travel of the treadmill 1, which are each offset from two different directions or with two different angles of incidence on the treadmill 1 are aligned.
- the cleaning device 20 radiate the
- Air nozzles 161 conically shaped air jets 162 on the treadmill 1 and so dry the just cleaned and therefore wet area of the treadmill 1.
- the included by the air jets and the surface of the treadmill 1 angle is 30 °.
- the jets are generated by compressed air at a pressure of 4 bar.
- the collected and derived by the cleaning head 82 spray and rinse water and the detached dirt particles are washed out of the collection channel system using rinsing jets and scrapers.
- Cleaning device is moved during cleaning transverse to the running direction of the belt 1 along the support means 180 via a motor.
- FIG. 6 shows, by way of example, a cleaning device 20 according to the invention which, in contrast to the cleaning device from FIG. 5, has no inlet openings 82 in the cleaning head 80.
- the main opening 82 therefore has a greater distance from the treadmill 1, so that the high-pressure jets 60 generated by the cleaning nozzles 40 can impinge unhindered on the treadmill 1.
- the dryer unit 162 is provided with six air nozzles 161 offset from one another
- the spray water and the detached dirt particles are sucked in this embodiment exclusively by a suction - the air flow 83 - in the cleaning head 80, which also attracts air from the vicinity of the main opening 81 (indicated by a dashed framed truncated cone).
- This simplified design is a less expensive variant of the cleaning device 20.
- the use of six rather than four air nozzles 161 in the dryer unit 160 allows even faster drying of the just cleaned area of the treadmill 1.
- High pressure jet nozzles 40 are shown, each one
- High pressure jet 60 to three different points of incidence 61 radiate. Dashed are, on the one hand, the running direction 11 of the treadmill (with arrow) and the projections 62 of the
- Wl is in each case the angle 63 between running direction and projection
- W2 is in each case the angle 64 between the running belt surface and the high-pressure jet.
- the cleaning device passes through the small area on which the cleaning jets impinge on the treadmill in conjunction with the near
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16154385.5A EP3075902A1 (de) | 2009-12-21 | 2010-12-21 | Reinigungsvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009059790.5A DE102009059790B4 (de) | 2009-12-21 | 2009-12-21 | Reinigungsvorrichtung |
PCT/IB2010/003519 WO2011077263A2 (de) | 2009-12-21 | 2010-12-21 | Reinigungsvorrichtung |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16154385.5A Division-Into EP3075902A1 (de) | 2009-12-21 | 2010-12-21 | Reinigungsvorrichtung |
EP16154385.5A Division EP3075902A1 (de) | 2009-12-21 | 2010-12-21 | Reinigungsvorrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2516735A2 true EP2516735A2 (de) | 2012-10-31 |
EP2516735A4 EP2516735A4 (de) | 2014-06-18 |
EP2516735B1 EP2516735B1 (de) | 2016-10-05 |
Family
ID=44196203
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10838785.3A Active EP2516735B1 (de) | 2009-12-21 | 2010-12-21 | Reinigungsvorrichtung |
EP16154385.5A Pending EP3075902A1 (de) | 2009-12-21 | 2010-12-21 | Reinigungsvorrichtung |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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EP16154385.5A Pending EP3075902A1 (de) | 2009-12-21 | 2010-12-21 | Reinigungsvorrichtung |
Country Status (6)
Country | Link |
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US (2) | US8808504B2 (de) |
EP (2) | EP2516735B1 (de) |
CN (2) | CN102666980B (de) |
CA (2) | CA2948489C (de) |
DE (1) | DE102009059790B4 (de) |
WO (1) | WO2011077263A2 (de) |
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DE102009059790B4 (de) * | 2009-12-21 | 2017-03-30 | Paprima Industries Inc. | Reinigungsvorrichtung |
DE102010026831B4 (de) | 2010-07-12 | 2021-08-12 | Paprima Industries Inc. | Abflussvorrichtung für und Verfahren zum Abtransport von Schmutzpartikeln und Abwasser aus einem Reinigungskopf |
US20150114431A1 (en) * | 2013-10-31 | 2015-04-30 | Glacial Blaster, Inc. | Air blast wiper system and method |
CN104928959B (zh) * | 2015-03-23 | 2017-01-25 | 济南大学 | 一种无转子的空气涡旋制浆设备 |
DE102015206747A1 (de) * | 2015-04-15 | 2016-10-20 | Voith Patent Gmbh | Reinigungsvorrichtung |
US10562508B2 (en) | 2016-07-26 | 2020-02-18 | Intouch Shipping Technology, Ltd. | Freight trailer brake clearing system |
CA3042352C (en) * | 2016-11-01 | 2020-04-21 | Snolar Technologies Ltd. | System and method for debris removal |
CN108114928B (zh) * | 2018-01-31 | 2024-03-22 | 苏州立讯技术有限公司 | 滤波器用调试盖板的清洗设备 |
JP7243058B2 (ja) * | 2018-07-13 | 2023-03-22 | コニカミノルタ株式会社 | 搬送ベルト装置および画像記録システム |
FR3094899B1 (fr) * | 2019-04-15 | 2022-10-07 | Exel Ind | Installation d’application de produit de revêtement et procédé de nettoyage d’une telle installation |
DE102019112307A1 (de) * | 2019-05-10 | 2020-11-12 | Rwe Power Ag | Verfahren und Vorrichtung zum Reinigen einer Oberfläche eines Fördergurt von Rückständen von bergbaulich geförderten Rohstoffen und Abraum |
EP3813500B1 (de) | 2019-10-24 | 2023-09-20 | Andreas Stihl AG & Co. KG | Lüftungsvorrichtung mit spritzwasserschutz und arbeitsgerät mit einer solchen lüftungsvorrichtung |
EP4103031A1 (de) * | 2020-02-13 | 2022-12-21 | Kadant Nordic AB | Reinigungskopf mit gerichteter düsenanordnung und geformtem aussenluftmesser für traversierende duschsysteme |
CN112139107B (zh) * | 2020-07-30 | 2023-10-31 | 福涞堡造纸技术(上海)有限公司 | 一种丝网清洗干燥装置 |
CN111974737B (zh) * | 2020-07-30 | 2023-10-20 | 福涞堡造纸技术(上海)有限公司 | 一种丝网清洁装置及方法 |
CN112676259B (zh) * | 2020-12-30 | 2022-07-19 | 广州安费诺诚信软性电路有限公司 | 一种含有微小孔的fpc板的清洗工艺 |
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CN112974342B (zh) * | 2021-02-09 | 2023-07-04 | 连智(大连)智能科技有限公司 | 晶棒托板清洁设备 |
CN113731913A (zh) * | 2021-09-07 | 2021-12-03 | 鹏知创科技(深圳)有限公司 | 一种三维高压水射流清洗方法 |
CN114016320B (zh) * | 2021-11-02 | 2022-09-06 | 常州凯捷特水射流科技有限公司 | 一种基于高压反冲的造纸机干网清洗组件及设备 |
CN116618404B (zh) * | 2023-06-21 | 2024-04-19 | 北京牧之科技有限公司 | 一种吸尘头部缩放式超负压吸尘除灰装置 |
CN117210983B (zh) * | 2023-11-07 | 2024-01-26 | 常州虹纬纺织有限公司 | 一种混纺纱输送装置、生产系统及其工作方法 |
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- 2010-12-21 CN CN201080058269.5A patent/CN102666980B/zh not_active Expired - Fee Related
- 2010-12-21 WO PCT/IB2010/003519 patent/WO2011077263A2/de active Application Filing
- 2010-12-21 EP EP16154385.5A patent/EP3075902A1/de active Pending
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Also Published As
Publication number | Publication date |
---|---|
CA2948489C (en) | 2018-08-21 |
EP2516735B1 (de) | 2016-10-05 |
EP2516735A4 (de) | 2014-06-18 |
DE102009059790B4 (de) | 2017-03-30 |
WO2011077263A2 (de) | 2011-06-30 |
US8808504B2 (en) | 2014-08-19 |
CN105234115A (zh) | 2016-01-13 |
CN102666980A (zh) | 2012-09-12 |
EP3075902A1 (de) | 2016-10-05 |
WO2011077263A3 (de) | 2011-09-01 |
US9222221B2 (en) | 2015-12-29 |
CA2785011A1 (en) | 2011-06-30 |
CA2948489A1 (en) | 2011-06-30 |
US20140374046A1 (en) | 2014-12-25 |
CA2785011C (en) | 2017-01-03 |
DE102009059790A1 (de) | 2011-06-22 |
US20120318472A1 (en) | 2012-12-20 |
CN102666980B (zh) | 2015-11-25 |
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