WO2005049237A1 - Method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials,and a device for washing the cutter drum of a cutting machine for organic plant materials,particularly tobacco materials - Google Patents

Method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials,and a device for washing the cutter drum of a cutting machine for organic plant materials,particularly tobacco materials Download PDF

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Publication number
WO2005049237A1
WO2005049237A1 PCT/PL2004/000096 PL2004000096W WO2005049237A1 WO 2005049237 A1 WO2005049237 A1 WO 2005049237A1 PL 2004000096 W PL2004000096 W PL 2004000096W WO 2005049237 A1 WO2005049237 A1 WO 2005049237A1
Authority
WO
WIPO (PCT)
Prior art keywords
drum
nozzles
washing
nozzle
nozzle subassembly
Prior art date
Application number
PCT/PL2004/000096
Other languages
French (fr)
Inventor
Wojciech Jerzy Chojnacki
Original Assignee
International Tobacco Machinery Poland Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PL363673A external-priority patent/PL205470B1/en
Priority claimed from PL370849A external-priority patent/PL209259B3/en
Application filed by International Tobacco Machinery Poland Ltd. filed Critical International Tobacco Machinery Poland Ltd.
Priority to EP04800236A priority Critical patent/EP1694445A1/en
Publication of WO2005049237A1 publication Critical patent/WO2005049237A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
    • B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2230/00—Other cleaning aspects applicable to all B08B range
    • B08B2230/01—Cleaning with steam

Definitions

  • This invention relates to a method and a device for washing the cutter drum of a cutting machine for cutting/comminuting organic plant materials, particularly tobacco materials, according to standards of tobacco processing technology.
  • Feed material for the cutting machine is tobacco in any of various forms, including tobacco leaves or parts thereof, veins of tobacco leaves, tobacco foils, cigar fillings, cut tobacco, trimmings and/or crumbs, and any combination of tobacco comprising materials in any form. It is recommended to process tobacco materials prior to feeding them to a cutting machine so that moisture content in the fed material is uniform for the entire portion at the level of at least 13 - 14% by weight, suitably at least 16% by weight, preferably more than 19% by weight. Details of the above mentioned process/processes for increasing humidity are known and used by those skilled in the art. Moistened tobacco is fed to a feeding device/conveyor of the cutting machine by means of any known technique, most commonly by means of a conventional method, known to those skilled in tobacco processing technology. Therefore details of the above mentioned moistening and feeding processes will not be discussed here in more details. An exemplary process for tobacco processing can be found in the patent description of US 5722431.
  • tobacco is subjected to a cutting/comminution process.
  • a side product in form of tobacco dust is formed, comprising fractions of various comminution levels.
  • substances are released from the tobacco material moistening and plasticising its cellular structure.
  • the substances form an aqueous solution of compounds squeezed out from the tobacco material during the cutting/comminution process.
  • the substances are viscous, they absorb the tobacco dust and form a quickly adhering and hardening shell or, when combined with the tobacco dust, form an adhesive synovia having a compact consistency.
  • the objective of the present invention is a method enabling easy, quick, and effective removal of buildup forming on drums of known cutting/comminuting machines for organic plant materials, particularly for tobacco materials.
  • a method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials is characterised in that the contaminated drum of the cutting machine is actuated in the direction opposite to the working direction, and a washing/wetting fluid, preferably hot water and/or steam, optionally with a washing agent, is sprayed onto the moving circumferential surface of the drum across its entire width, preferably below the axis of rotation, from a plurality of nozzles spaced from the circumferential surface of the drum, at a pressure in the range of 0,05 - 1 MPa (0,5 - 10 bar), preferably in the range of 0,2 - 0,5 MPa (2 - 5 bar) .
  • a washing/wetting fluid preferably hot water and/or steam, optionally with a washing agent
  • the washing/wetting fluid is sprayed from a plurality of nozzles arranged at a height equal to about 25% of the diameter of the drum, as measured from the extreme lower circumferential surface of the drum.
  • the washing/wetting fluid is sprayed from a plurality of nozzles having adjustable angular position relative to the circumferential surface of the drum as well as adjustable distances from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
  • the washing/wetting fluid is sprayed from two rows of nozzles, each of the nozzles having adjustable angular position relative to the drum surface, both rows of nozzles having adjustable mutual angular position relative to each other in the range of 0 - 90°, and also adjustable distances relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
  • a device for washing the cutter drum of a cutting machine for organic plant materials, particularly for tobacco is characterised in that it comprises a nozzle subassembly equipped with a set of nozzles arranged across the entire width of the drum, a source of washing/wetting fluid being connected to the nozzle subassembly and a waste water tank being placed below the drum.
  • the nozzles in the nozzle subassembly are mounted in holders located angularly movably relative to the circumferential surface of the drum, and additionally the holders of the nozzles have regulating elements for adjusting the position angle of the outlet of the nozzles relative to the circumferential surface, and also the nozzle subassembly has regulating elements for adjusting the distance of the nozzle subassembly from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
  • the nozzle subassembly comprises a set of two rows of nozzles having regulating elements for adjusting the mutual angular position of the two rows of nozzles relative to each other in the range of 0 - 90°.
  • the nozzle subassembly may comprise a plurality of jet nozzles, optionally slot nozzles, the total width of which corresponds to the width of the drum.
  • the contaminated drum of the cutting machine is actuated in the direction opposite to the working direction, and dry ice is sprayed onto the moving circumferential surface of the cutter drum across its entire width, preferably below the axis of rotation, from a nozzle subassembly comprising at least one nozzle, at a pressure in the range of 0,05 - 1,0 MPa (0,5 - 10 bar), preferably in the range of 0,4 - 1,0 MPa (4 - 10 bar).
  • dry ice is sprayed by means of at least one nozzle placed at a height equal to about 25% of the diameter of the drum, as measured from the extreme lower circumferential surface of the drum.
  • dry ice is sprayed from at least one nozzle having adjustable angular position relative to the circumferential surface of the drum and adjustable distances from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
  • dry ice is sprayed from two rows of nozzles, each of the nozzles having adjustable angular position relative to the drum surface, both rows of nozzles having adjustable mutual angular position relative to each other in the range of 0 - 90°, and also adjustable distances relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
  • dry ice is sprayed by means of at least one nozzle travelling across the width of the drum.
  • An alternate embodiment of the device for washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials, according to the invention comprises a nozzle subassembly equipped with at least one nozzle and connected to a source of dry ice, a waste water tank being placed below the drum.
  • the nozzles in the nozzle subassembly are mounted in holders located angularly movably relative to the circumferential surface of the drum, and additionally the holders of the nozzles have regulating elements for adjusting the position angle of the outlet of the nozzles relative to the circumferential surface, and the nozzle subassembly has regulating elements for adjusting the distance of the nozzle subassembly from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
  • the nozzle subassembly comprises a set of two rows of nozzles having separate regulating elements for adjusting the mutual angular position of the two rows of nozzles relative to each other in the range of 0 - 90°.
  • the nozzle subassembly may comprise a plurality of jet nozzles, optionally one slot nozzle, the total width of which corresponds to the width of the drum.
  • the nozzle subassembly comprises a movable nozzle travelling across the entire width of the drum.
  • Figure 1 shows schematically a side view of the cutter drum of the cutting machine for tobacco materials, comprising a nozzle subassembly according to the present invention
  • Figure 2 is a schematic view of the nozzle subassembly according to the invention in an embodiment in which a washing/wetting fluid or dry ice is delivered through a plurality of jet nozzles
  • Figure 3 is a schematic view of a nozzle subassembly according to the invention in an embodiment in which a washing/ etting fluid or dry ice is delivered through a slot nozzle;
  • Figure 4 is a side view of a nozzle subassembly according to the invention, illustrating a configuration of a single row of nozzles for delivering a washing/wetting fluid or dry ice in the nozzle subassembly, and
  • Figure 5 is a side view of a nozzle subassembly according to the invention, illustrating a configuration of a double row of nozzles for delivering a washing/wetting fluid or dry ice.
  • Figure 1 shows a schematic side view of the cutter drum 2 of a cutting machine, the drum being cleaned by means of a device according to the invention, delivering a washing/wetting fluid or dry ice onto the external surface of rotation of the drum 2.
  • the cutting/comminuting drum 2 of the cutting machine is mounted on a frame 1, and a grinding machine 3 and the main motor 4 of the cutter drum 2 driving assembly are placed close to the surface of the drum 2.
  • the device according to the invention comprises a nozzle subassembly 5 connected to a source of a washing/wetting fluid or dry ice (not shown) , and placed on the side of the cutter drum 2 opposite to the cutting/comminuting zone 6, and a waste water tank 10 is located below the drum 2.
  • the nozzle subassembly 5 may be in a form of a set of jet nozzles 7 arranged within a single row across the entire width of the circumferential surface of the drum 2, as shown in Figure 2, or may be in a form of at least one slot nozzle 8 extending across the entire width of the drum 2. It may also comprise at least one nozzle 7 travelling across the entire width of the drum 2.
  • nozzles 7, 8, and 9 of the nozzle subassembly 5 are mounted in holders having regulating elements for adjusting the position angle of the outlet of nozzles 7, 8, and 9 relative to the circumferential surface of the drum 2, and regulating elements for adjusting the distances al, bl of the position of the nozzle subassembly 5 from the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2.
  • Figure 4 shows a possibility of employing a single row of jet nozzles 7 in the nozzle subassembly 5, the nozzles emitting streams of a washing/wetting fluid or a stream of dry ice, the position of the nozzles 7 relative to the circumferential surface of the drum 2 being possible to adjust by optimal setting the distance parameters al, bl and the angle of spraying, beta, in order to achieve the optimal removal of the buildup, formed during cutting/comminution of the plant material, from the drum 2.
  • Figure 5 shows a possibility of employing two rows of nozzles 7, 9 in the nozzle subassembly 5, the nozzles emitting streams of a washing/wetting fluid or a stream of dry ice, the position of the nozzles 7 relative to the circumferential surface of the drum 2 being possible to adjust by setting the distance parameters al, bl and the angles of spraying, beta and gamma, in order to achieve the optimal removal of the buildup, formed during cutting/comminution of the plant material, from the drum 2.
  • the mutual angle of nozzles, beta + gamma is a characteristic feature of the solution and is selected from the range of 0 - 90° such that to achieve the optimal removal of the buildup from the drum 2 by means of the emitted stream of a washing/wetting fluid or dry ice.
  • the nozzle subassembly 5 shown in Figure 5 comprises a set of two rows of nozzles 7, 9 and preferably has separate regulating elements for adjusting the mutual angular position of the two rows of nozzles 7, 9 in the range of 0 - 90°.
  • the nozzle subassembly may also comprise at least one and preferably a plurality of jet nozzles 7, optionally at least one slot nozzle 8, the total width of which corresponds to the width of the drum 2, or at least one nozzle 7 travelling across the entire width of the drum 2.
  • the proposed solution is based on delivering at least one of a fluidal washing agent or dry ice to the suggested zone (see Figure 1) adjacent to the external circumferential surface of the drum 2 of a cutting machine, the fluidal washing agent or dry ice being emitted towards the external surface of the drum 2 of the cutting machine through the nozzle subassembly 5 and nozzles 7, 8, 9 properly positioned in the optimal arrangement, as a properly formed stream of the washing fluid or dry ice, and effecting advantageous detachment/separation of a buildup from working surfaces of the drum 2 of the cutting machine and transporting the buildup out of the cutting machine to the waste water tank 10 located below the drum 2, thus carrying out a quick and convenient step of washing/cleaning the working surfaces of the drum 2 which determine the proper operation of the cutting machine.
  • a practical method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco comprises steps of: actuating a contaminated drum 2 of a cutting machine in the direction opposite to the working direction of the drum 2, and spraying hot water and/or steam, optionally with a washing agent, onto the moving circumferential surface of the drum 2 across its entire width, below its axis of rotation, from a plurality of nozzles 7, 8, 9 spaced from the circumferential surface of the drum 2, and at a pressure in the range of 0,05 - 1 MPa (0,5 - 10 bar) .
  • the washing/wetting fluid is sprayed from a plurality of nozzles 7, 8 arranged at a height of about 25% of the diameter of the drum 2, as measured from the extreme lower circumferential surface of the drum 2.
  • the washing/wetting fluid is usually spayed from a plurality of nozzles 7 having adjustable angular position, the angle beta, relative to the circumferential surface of the drum 2, and adjustable distances al, bl of the nozzles 7 relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2, as shown in Figure 4, so as to achieve the optimal removal of the buildup from the drum 2.
  • the washing/wetting fluid may also be sprayed by means of a set of two rows of multiple nozzles 7, 9, each of the nozzles having adjustable angular position beta, gamma relative to the surface of the drum 2, both rows of the nozzles 7, 9 having adjustable mutual angular position relative to each other, beta + gamma, in the range of 0 - 90°, as well as adjustable distances al, bl relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2, as shown in Figure 5.
  • the contaminated drum 2 of the cutting machine also is actuated in the direction opposite to the working direction of the drum 2, and dry ice is sprayed onto the moving circumferential surface of the drum 2 across its entire width, preferably below the axis of rotation, from at least one nozzle 7, 8, 9, at a pressure in the range of 0,05 - 1,0 MPa (0,5 - 10 bar), preferably in the range of 0,4 - 1,0 MPa (4 - 10 bar) .
  • Dry ice is usually sprayed by means of at least one nozzle 7, preferable a movable one, having adjustable angular position, beta, relative to the circumferential surface of the drum 2, and also having adjustable distances al, bl of the nozzle 7 from the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2, as shown in Figure 4, in order to achieve the optimal removal of the buildup from the drum 2.
  • dry ice may be sprayed by means of a set of two rows of nozzles 7, 9, each of the nozzles having adjustable angular position beta, gamma relative to the surface of the drum 2, both rows of the nozzles 7 , 9 having adjustable mutual angular position beta + gamma, relative to each other in the range of 0 - 90°, and also adjustable distances al, bl relative to the vertical surface and horizontal surface passing through the axis of rotation of the drum 2, as shown in Figure 5.

Abstract

A method of washing the cutter drum (2) of a cutting machine for organic plant materials, particularly tobacco materials, characterised in that the contaminated drum (2) of the cutting machine is actuated in the direction opposite to the working direction, and a washing/wetting fluid, preferably hot water and/or steam, optionally with a washing agent, is sprayed onto the moving circumferential surface of the drum across its entire width, preferably below the axis of rotation, from a plurality of nozzles (7, 8, 9) spaced from the circumferential surface of the drum, at a pressure in the range of 0,05 - 1 MPa, preferably in the range of 0,2 - 0,5 MPa. A device for washing the cutter drum of a cutting machine is provided, as well.

Description

Method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials, and a device for washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials
This invention relates to a method and a device for washing the cutter drum of a cutting machine for cutting/comminuting organic plant materials, particularly tobacco materials, according to standards of tobacco processing technology.
Feed material for the cutting machine is tobacco in any of various forms, including tobacco leaves or parts thereof, veins of tobacco leaves, tobacco foils, cigar fillings, cut tobacco, trimmings and/or crumbs, and any combination of tobacco comprising materials in any form. It is recommended to process tobacco materials prior to feeding them to a cutting machine so that moisture content in the fed material is uniform for the entire portion at the level of at least 13 - 14% by weight, suitably at least 16% by weight, preferably more than 19% by weight. Details of the above mentioned process/processes for increasing humidity are known and used by those skilled in the art. Moistened tobacco is fed to a feeding device/conveyor of the cutting machine by means of any known technique, most commonly by means of a conventional method, known to those skilled in tobacco processing technology. Therefore details of the above mentioned moistening and feeding processes will not be discussed here in more details. An exemplary process for tobacco processing can be found in the patent description of US 5722431.
After moistening, tobacco is subjected to a cutting/comminution process. During the cutting/comminution process, a side product in form of tobacco dust is formed, comprising fractions of various comminution levels. Depending on the employed cutting/comminution process and the cutting machine as well as employed process parameters, cut/cumminuted materials and other factors, substances are released from the tobacco material moistening and plasticising its cellular structure. The substances form an aqueous solution of compounds squeezed out from the tobacco material during the cutting/comminution process. The substances are viscous, they absorb the tobacco dust and form a quickly adhering and hardening shell or, when combined with the tobacco dust, form an adhesive synovia having a compact consistency. The substances settle at the close proximity and/or on those elements of the machine, which are involved in the cutting/comminution process, e.g., on the working surface of the knife around the cutting edges, on surfaces of elements for profiling the outflow of the cut/comminuted material just after separating it, on plates holding the knife on the circumferential working surface of the cutting machine drum, and on working surfaces of grinding wheels of the knives. This is a particularly unfavourable effect due to clear and direct adverse influence on quality parameters of the cut/comminuted material, particularly tobacco material. Moreover, the continuous occurrence of this effect during the cutting/comminution process imposes the necessity of regular removal of the formed buildup, the removal operation so far being carried out by laborious and arduous mechanical scraping and scratching with use of a sharp tool (scraper) .
The objective of the present invention is a method enabling easy, quick, and effective removal of buildup forming on drums of known cutting/comminuting machines for organic plant materials, particularly for tobacco materials.
According to the invention, a method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials, is characterised in that the contaminated drum of the cutting machine is actuated in the direction opposite to the working direction, and a washing/wetting fluid, preferably hot water and/or steam, optionally with a washing agent, is sprayed onto the moving circumferential surface of the drum across its entire width, preferably below the axis of rotation, from a plurality of nozzles spaced from the circumferential surface of the drum, at a pressure in the range of 0,05 - 1 MPa (0,5 - 10 bar), preferably in the range of 0,2 - 0,5 MPa (2 - 5 bar) .
Preferably, the washing/wetting fluid is sprayed from a plurality of nozzles arranged at a height equal to about 25% of the diameter of the drum, as measured from the extreme lower circumferential surface of the drum.
Preferably, the washing/wetting fluid is sprayed from a plurality of nozzles having adjustable angular position relative to the circumferential surface of the drum as well as adjustable distances from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
Preferably, the washing/wetting fluid is sprayed from two rows of nozzles, each of the nozzles having adjustable angular position relative to the drum surface, both rows of nozzles having adjustable mutual angular position relative to each other in the range of 0 - 90°, and also adjustable distances relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
According to the invention, a device for washing the cutter drum of a cutting machine for organic plant materials, particularly for tobacco, is characterised in that it comprises a nozzle subassembly equipped with a set of nozzles arranged across the entire width of the drum, a source of washing/wetting fluid being connected to the nozzle subassembly and a waste water tank being placed below the drum.
The nozzles in the nozzle subassembly are mounted in holders located angularly movably relative to the circumferential surface of the drum, and additionally the holders of the nozzles have regulating elements for adjusting the position angle of the outlet of the nozzles relative to the circumferential surface, and also the nozzle subassembly has regulating elements for adjusting the distance of the nozzle subassembly from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
Preferably, the nozzle subassembly comprises a set of two rows of nozzles having regulating elements for adjusting the mutual angular position of the two rows of nozzles relative to each other in the range of 0 - 90°.
The nozzle subassembly may comprise a plurality of jet nozzles, optionally slot nozzles, the total width of which corresponds to the width of the drum.
According to an alternative method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco, the contaminated drum of the cutting machine is actuated in the direction opposite to the working direction, and dry ice is sprayed onto the moving circumferential surface of the cutter drum across its entire width, preferably below the axis of rotation, from a nozzle subassembly comprising at least one nozzle, at a pressure in the range of 0,05 - 1,0 MPa (0,5 - 10 bar), preferably in the range of 0,4 - 1,0 MPa (4 - 10 bar).
Preferable, dry ice is sprayed by means of at least one nozzle placed at a height equal to about 25% of the diameter of the drum, as measured from the extreme lower circumferential surface of the drum.
Preferably, dry ice is sprayed from at least one nozzle having adjustable angular position relative to the circumferential surface of the drum and adjustable distances from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
Preferably, dry ice is sprayed from two rows of nozzles, each of the nozzles having adjustable angular position relative to the drum surface, both rows of nozzles having adjustable mutual angular position relative to each other in the range of 0 - 90°, and also adjustable distances relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
Preferably, dry ice is sprayed by means of at least one nozzle travelling across the width of the drum.
An alternate embodiment of the device for washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials, according to the invention, comprises a nozzle subassembly equipped with at least one nozzle and connected to a source of dry ice, a waste water tank being placed below the drum.
The nozzles in the nozzle subassembly are mounted in holders located angularly movably relative to the circumferential surface of the drum, and additionally the holders of the nozzles have regulating elements for adjusting the position angle of the outlet of the nozzles relative to the circumferential surface, and the nozzle subassembly has regulating elements for adjusting the distance of the nozzle subassembly from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
Preferably, the nozzle subassembly comprises a set of two rows of nozzles having separate regulating elements for adjusting the mutual angular position of the two rows of nozzles relative to each other in the range of 0 - 90°.
The nozzle subassembly may comprise a plurality of jet nozzles, optionally one slot nozzle, the total width of which corresponds to the width of the drum.
Preferably, the nozzle subassembly comprises a movable nozzle travelling across the entire width of the drum.
Embodiments of the present invention will be described with reference to the drawings in which:
Figure 1 shows schematically a side view of the cutter drum of the cutting machine for tobacco materials, comprising a nozzle subassembly according to the present invention; Figure 2 is a schematic view of the nozzle subassembly according to the invention in an embodiment in which a washing/wetting fluid or dry ice is delivered through a plurality of jet nozzles; Figure 3 is a schematic view of a nozzle subassembly according to the invention in an embodiment in which a washing/ etting fluid or dry ice is delivered through a slot nozzle;
Figure 4 is a side view of a nozzle subassembly according to the invention, illustrating a configuration of a single row of nozzles for delivering a washing/wetting fluid or dry ice in the nozzle subassembly, and
Figure 5 is a side view of a nozzle subassembly according to the invention, illustrating a configuration of a double row of nozzles for delivering a washing/wetting fluid or dry ice.
Figure 1 shows a schematic side view of the cutter drum 2 of a cutting machine, the drum being cleaned by means of a device according to the invention, delivering a washing/wetting fluid or dry ice onto the external surface of rotation of the drum 2. The cutting/comminuting drum 2 of the cutting machine is mounted on a frame 1, and a grinding machine 3 and the main motor 4 of the cutter drum 2 driving assembly are placed close to the surface of the drum 2. The device according to the invention comprises a nozzle subassembly 5 connected to a source of a washing/wetting fluid or dry ice (not shown) , and placed on the side of the cutter drum 2 opposite to the cutting/comminuting zone 6, and a waste water tank 10 is located below the drum 2. The nozzle subassembly 5 may be in a form of a set of jet nozzles 7 arranged within a single row across the entire width of the circumferential surface of the drum 2, as shown in Figure 2, or may be in a form of at least one slot nozzle 8 extending across the entire width of the drum 2. It may also comprise at least one nozzle 7 travelling across the entire width of the drum 2.
As shown in Figures 4 and 5, nozzles 7, 8, and 9 of the nozzle subassembly 5 are mounted in holders having regulating elements for adjusting the position angle of the outlet of nozzles 7, 8, and 9 relative to the circumferential surface of the drum 2, and regulating elements for adjusting the distances al, bl of the position of the nozzle subassembly 5 from the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2.
Figure 4 shows a possibility of employing a single row of jet nozzles 7 in the nozzle subassembly 5, the nozzles emitting streams of a washing/wetting fluid or a stream of dry ice, the position of the nozzles 7 relative to the circumferential surface of the drum 2 being possible to adjust by optimal setting the distance parameters al, bl and the angle of spraying, beta, in order to achieve the optimal removal of the buildup, formed during cutting/comminution of the plant material, from the drum 2. Figure 5 shows a possibility of employing two rows of nozzles 7, 9 in the nozzle subassembly 5, the nozzles emitting streams of a washing/wetting fluid or a stream of dry ice, the position of the nozzles 7 relative to the circumferential surface of the drum 2 being possible to adjust by setting the distance parameters al, bl and the angles of spraying, beta and gamma, in order to achieve the optimal removal of the buildup, formed during cutting/comminution of the plant material, from the drum 2. The mutual angle of nozzles, beta + gamma, is a characteristic feature of the solution and is selected from the range of 0 - 90° such that to achieve the optimal removal of the buildup from the drum 2 by means of the emitted stream of a washing/wetting fluid or dry ice.
The nozzle subassembly 5 shown in Figure 5 comprises a set of two rows of nozzles 7, 9 and preferably has separate regulating elements for adjusting the mutual angular position of the two rows of nozzles 7, 9 in the range of 0 - 90°.
The nozzle subassembly may also comprise at least one and preferably a plurality of jet nozzles 7, optionally at least one slot nozzle 8, the total width of which corresponds to the width of the drum 2, or at least one nozzle 7 travelling across the entire width of the drum 2. The proposed solution is based on delivering at least one of a fluidal washing agent or dry ice to the suggested zone (see Figure 1) adjacent to the external circumferential surface of the drum 2 of a cutting machine, the fluidal washing agent or dry ice being emitted towards the external surface of the drum 2 of the cutting machine through the nozzle subassembly 5 and nozzles 7, 8, 9 properly positioned in the optimal arrangement, as a properly formed stream of the washing fluid or dry ice, and effecting advantageous detachment/separation of a buildup from working surfaces of the drum 2 of the cutting machine and transporting the buildup out of the cutting machine to the waste water tank 10 located below the drum 2, thus carrying out a quick and convenient step of washing/cleaning the working surfaces of the drum 2 which determine the proper operation of the cutting machine.
According to the invention, a practical method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco, comprises steps of: actuating a contaminated drum 2 of a cutting machine in the direction opposite to the working direction of the drum 2, and spraying hot water and/or steam, optionally with a washing agent, onto the moving circumferential surface of the drum 2 across its entire width, below its axis of rotation, from a plurality of nozzles 7, 8, 9 spaced from the circumferential surface of the drum 2, and at a pressure in the range of 0,05 - 1 MPa (0,5 - 10 bar) . One achieves the best washing effect if the washing/wetting fluid is sprayed from a plurality of nozzles 7, 8 arranged at a height of about 25% of the diameter of the drum 2, as measured from the extreme lower circumferential surface of the drum 2.
The washing/wetting fluid is usually spayed from a plurality of nozzles 7 having adjustable angular position, the angle beta, relative to the circumferential surface of the drum 2, and adjustable distances al, bl of the nozzles 7 relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2, as shown in Figure 4, so as to achieve the optimal removal of the buildup from the drum 2.
The washing/wetting fluid may also be sprayed by means of a set of two rows of multiple nozzles 7, 9, each of the nozzles having adjustable angular position beta, gamma relative to the surface of the drum 2, both rows of the nozzles 7, 9 having adjustable mutual angular position relative to each other, beta + gamma, in the range of 0 - 90°, as well as adjustable distances al, bl relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2, as shown in Figure 5. In an alternate embodiment of the invention, in which dry ice is employed, the contaminated drum 2 of the cutting machine also is actuated in the direction opposite to the working direction of the drum 2, and dry ice is sprayed onto the moving circumferential surface of the drum 2 across its entire width, preferably below the axis of rotation, from at least one nozzle 7, 8, 9, at a pressure in the range of 0,05 - 1,0 MPa (0,5 - 10 bar), preferably in the range of 0,4 - 1,0 MPa (4 - 10 bar) .
The best washing effect is achieved when dry ice is sprayed by means of at least one nozzle 7, 8 located at a height equal to about 25% of the diameter of the drum 2, as measured from the extreme lower circumferential surface of the drum 2, as shown in Figures 2 and 3.
Dry ice is usually sprayed by means of at least one nozzle 7, preferable a movable one, having adjustable angular position, beta, relative to the circumferential surface of the drum 2, and also having adjustable distances al, bl of the nozzle 7 from the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2, as shown in Figure 4, in order to achieve the optimal removal of the buildup from the drum 2.
Also, dry ice may be sprayed by means of a set of two rows of nozzles 7, 9, each of the nozzles having adjustable angular position beta, gamma relative to the surface of the drum 2, both rows of the nozzles 7 , 9 having adjustable mutual angular position beta + gamma, relative to each other in the range of 0 - 90°, and also adjustable distances al, bl relative to the vertical surface and horizontal surface passing through the axis of rotation of the drum 2, as shown in Figure 5.
The above mentioned steps allow the cutting machine for organic plant materials, particularly tobacco, to be quickly and efficiently restored to the full operability on demand of an operator.

Claims

Claims :
1. A method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials, characterised in that the contaminated drum of the cutting machine is actuated in the direction opposite to the working direction, and a washing/wetting fluid, preferably hot water and/or steam, optionally with a washing agent, is sprayed onto the moving circumferential surface of the drum across its entire width, preferably below the axis of rotation, from a plurality of nozzles spaced from the circumferential surface of the drum, at a pressure in the range of 0,05 - 1 MPa (0,5 - 10 bar), preferably in the range of 0,2 - 0,5 MPa
(2 - 5 bar) .
2. A method according to claim 1 characterised in that the washing/wetting fluid is sprayed from a plurality of nozzles arranged at a height equal to about 25% of the diameter of the drum, as measured from the extreme lower circumferential surface of the drum.
3. A method according to claim 1 characterised in that the washing/wetting fluid is sprayed from a plurality of nozzles having adjustable angular position relative to the circumferential surface of the drum and adjustable distances from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
4. A method according to claim 1 characterised in that the washing/wetting fluid is sprayed from a set of two rows of nozzles, each of the nozzles having adjustable angular position relative to the drum surface, both rows of nozzles having adjustable mutual angular position relative to each other in the range of 0 - 90°, and also adjustable distances relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
5. A device for washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials, characterised in that it comprises a nozzle subassembly (5_) equipped with a set of nozzles (7, Q , 9) spaced in series across the entire width of the drum ( 2) , a source of washing/wetting fluid being connected to the nozzle subassembly (5_) and a waste water tank (_10) being placed below the drum.
6. A device according claim 5 characterised in that the nozzles (7, 8_, 9 ) in the nozzle subassembly (5) are mounted in holders located angularly movably relative to the circumferential surface of the drum {2 ) , and additionally the holders of the nozzles { !_, 8_, 9 ) have regulating elements for adjusting the position angle of the outlet of the nozzles (Z* - ' 2) relative to the circumferential surface, and the nozzle subassembly (5) has regulating elements for adjusting the distance of the nozzle subassembly (5_) from the vertical surface and the horizontal surface passing through the axis of rotation of the drum 2 .
7. A device according to claims 5 or 6, characterised in that the nozzle subassembly (5_) comprises a set of two rows of nozzles ( 7_, 9) having regulating elements for adjusting the mutual angular position of the two rows of nozzles relative to each other in the range of 0 - 90°.
8. A device according to claims 5 or 6, characterised in that the nozzle subassembly (5_) comprises a plurality of jet nozzles (7) .
9. A device according to claims 5 or 6, characterised in that the nozzle subassembly (5) comprises at least one slot nozzle (8_) , the total width of which corresponds to the width of the drum (2) .
10. A method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco, characterised in that the contaminated drum of the cutting machine is actuated in the direction opposite to the working direction, and dry ice, optionally with a washing agent, is sprayed onto the moving circumferential surface of the cutter drum across its entire width, preferably below the axis of rotation, from a nozzle subassembly comprising at least one nozzle, at a pressure in the range of 0,05 - 1,0 MPa (0,5 - 10 bar), preferably in the range of 0,4 - 1,0 MPa (4 - 10 bar) .
11. A method according to claim 10, characterised in that dry ice is sprayed by means of at least one nozzle located at a height equal to about 25% of the diameter of the drum, as measured from the extreme lower circumferential surface of the drum.
12. A method according to claim 10, characterised in that dry ice is sprayed from at least one nozzle having adjustable angular position relative to the circumferential surface of the drum and adjustable distances from the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
13. A method according to claim 10,- characterised in that dry ice is sprayed from two rows of nozzles, each of the nozzles having adjustable angular position relative to the drum surface, both rows of nozzles having adjustable mutual angular position relative to each other in the range of 0 - 90°, and also adjustable distances relative to the vertical surface and the horizontal surface passing through the axis of rotation of the drum.
14. A method according to claim 10, characterised in that dry ice is sprayed by means of at least one nozzle travelling across the width of the drum.
15. A device for washing the cutter drum of a cutting ϋ machine for organic -plant materials, particularly tobacco materials, characterised in that it comprises a nozzle subassembly (5_) equipped with at least one nozzle (7, 8 , 9) , a source of dry ice being connected to the nozzle subassembly (5) , and a waste water tank (1_0) being placed below the drum (2 ) .
16. A device according to claim 15, characterised in that the nozzles [ 7_, 8_, 9) in the nozzle subassembly ( 5) are mounted in holders located angularly movably relative to the circumferential surface of the drum (2 ) , and additionally the holders of the nozzles (7, 8, 9) have regulating elements for adjusting the position angle of the outlet of the nozzles (7, 8_, 9) relative to the circumferential surface of the drum (2 ) , and the nozzle subassembly (5_) has regulating elements for adjusting the distance of the nozzle subassembly (5_) from the vertical surface and the horizontal surface passing through the axis of rotation of the drum (2 ) .
17. A device according to claims 15 or 16, characterised in that the nozzle subassembly (5_) comprises a set of two rows of nozzles (7_, 8_, 9_) having separate regulating elements for adjusting the mutual angular position of the two rows of nozzles relative to each other in the range of 0 - 90° .
18. A device according to claims 15 or 16, characterised in that the nozzle subassembly (5) comprises a plurality of jet nozzles (7)
19. A device according to claims 15 or 16, characterised in that the nozzle subassembly (5) comprises at least one slot nozzle (8_) , the total width of which corresponds to the width of the drum (2_) .
20. A device according to claims 15 or 16, characterised in that the nozzle subassembly (_5) comprises a movable nozzle travelling across the entire width of the drum (2) .
PCT/PL2004/000096 2003-11-24 2004-11-24 Method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials,and a device for washing the cutter drum of a cutting machine for organic plant materials,particularly tobacco materials WO2005049237A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04800236A EP1694445A1 (en) 2003-11-24 2004-11-24 Method of washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials,and a device for washing the cutter drum of a cutting machine for organic plant materials, particularly tobacco materials

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PLP-363673 2003-11-24
PL363673A PL205470B1 (en) 2003-11-24 2003-11-24 Method for washing the drum of vegetable material cutter, particularly for cutting tobacco and appliance designed to wash the drum of vegetable material cutter, particularly for cutting tobacco
PL370849A PL209259B3 (en) 2004-10-22 2004-10-22 Method for washing the drum of vegetable material cutter, particularly for cutting tobacco and appliance designed to wash the drum of vegetable material cutter, particularly for cutting tobacco
PLP-370849 2004-10-22

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WO2005049237A1 true WO2005049237A1 (en) 2005-06-02

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WO (1) WO2005049237A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134007A (en) * 2010-12-29 2011-07-27 上海烟草集团有限责任公司 Online automatic smoke box cleaning and recycling process
CN103611714A (en) * 2013-12-04 2014-03-05 上海烟草集团有限责任公司 Cleaning device for smoke box
CN104325495A (en) * 2014-09-04 2015-02-04 四川北方硝化棉股份有限公司 Automatic cutter cleaning device for hob type slicing machine
CN104325484A (en) * 2014-09-03 2015-02-04 四川北方硝化棉股份有限公司 Hob type slicing machine
CN105496248A (en) * 2016-01-28 2016-04-20 衢州妙凯节能科技有限公司 Drum type vegetable planer
CN105500431A (en) * 2016-01-29 2016-04-20 衢州妙凯节能科技有限公司 Rotary and continuous vegetable planing machine
CN106509977A (en) * 2016-11-30 2017-03-22 河南中烟工业有限责任公司 Automatic cleaning type vibration cabinet for carbon dioxide expanded cut tobacco
CN106862142A (en) * 2017-04-18 2017-06-20 刘晓富 A kind of plant material cleaning airing device used for cosmetic

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE608177C (en) * 1932-12-09 1937-04-20 Beco Maschinenfabrik G M B H Washing device for tobacco cutting machines
DE612472C (en) * 1934-02-13 1939-03-28 Beco Maschinenfabrik G M B H Washing device for tobacco cutting machines
GB535236A (en) * 1939-11-16 1941-04-02 Henry William Langrish Improvements in or relating to tobacco, tea or like leaf cutting machines
GB2149292A (en) * 1981-07-23 1985-06-12 Amf Inc Cutting layered material
DE4218836A1 (en) * 1992-06-09 1993-12-16 Battelle Institut E V Surface decontamination - with a cryogenically embrittled surface layer removed by mechanical means
DE19545383A1 (en) * 1994-12-06 1996-06-13 Gerhard Ritter Water mains leak detection
DE19934399A1 (en) * 1999-07-22 2001-02-01 Innotech Engineering Gmbh Device for cleaning surface of print cylinders supplies dry ice to nozzle to produce cleaning jet at sufficient speed to remove impurities
WO2002016081A1 (en) * 2000-08-22 2002-02-28 Linde Ag Method and device for removing metallic impurities
US20020119228A1 (en) * 2001-02-15 2002-08-29 Rossano Cavalieri Apparatus for wiredrawing vegetables or dicing them into three dimensional shapes
GB2382654A (en) * 2001-11-30 2003-06-04 Invensys Plc A combined pressure and temperature sensor unit
US20030150481A1 (en) * 2000-10-16 2003-08-14 Don Rudolfs Method and apparatus for washing drums

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE608177C (en) * 1932-12-09 1937-04-20 Beco Maschinenfabrik G M B H Washing device for tobacco cutting machines
DE612472C (en) * 1934-02-13 1939-03-28 Beco Maschinenfabrik G M B H Washing device for tobacco cutting machines
GB535236A (en) * 1939-11-16 1941-04-02 Henry William Langrish Improvements in or relating to tobacco, tea or like leaf cutting machines
GB2149292A (en) * 1981-07-23 1985-06-12 Amf Inc Cutting layered material
DE4218836A1 (en) * 1992-06-09 1993-12-16 Battelle Institut E V Surface decontamination - with a cryogenically embrittled surface layer removed by mechanical means
DE19545383A1 (en) * 1994-12-06 1996-06-13 Gerhard Ritter Water mains leak detection
DE19934399A1 (en) * 1999-07-22 2001-02-01 Innotech Engineering Gmbh Device for cleaning surface of print cylinders supplies dry ice to nozzle to produce cleaning jet at sufficient speed to remove impurities
WO2002016081A1 (en) * 2000-08-22 2002-02-28 Linde Ag Method and device for removing metallic impurities
US20030150481A1 (en) * 2000-10-16 2003-08-14 Don Rudolfs Method and apparatus for washing drums
US20020119228A1 (en) * 2001-02-15 2002-08-29 Rossano Cavalieri Apparatus for wiredrawing vegetables or dicing them into three dimensional shapes
GB2382654A (en) * 2001-11-30 2003-06-04 Invensys Plc A combined pressure and temperature sensor unit

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134007A (en) * 2010-12-29 2011-07-27 上海烟草集团有限责任公司 Online automatic smoke box cleaning and recycling process
CN103611714A (en) * 2013-12-04 2014-03-05 上海烟草集团有限责任公司 Cleaning device for smoke box
CN103611714B (en) * 2013-12-04 2015-08-19 上海烟草集团有限责任公司 A kind of smoke box cleaning device
CN104325484A (en) * 2014-09-03 2015-02-04 四川北方硝化棉股份有限公司 Hob type slicing machine
CN104325484B (en) * 2014-09-03 2016-04-20 四川北方硝化棉股份有限公司 Hob type slicer
CN104325495A (en) * 2014-09-04 2015-02-04 四川北方硝化棉股份有限公司 Automatic cutter cleaning device for hob type slicing machine
CN105496248A (en) * 2016-01-28 2016-04-20 衢州妙凯节能科技有限公司 Drum type vegetable planer
CN105500431A (en) * 2016-01-29 2016-04-20 衢州妙凯节能科技有限公司 Rotary and continuous vegetable planing machine
CN105500431B (en) * 2016-01-29 2017-03-08 衢州乐创节能科技有限公司 A kind of rotation continuous planing dish machine
CN106509977A (en) * 2016-11-30 2017-03-22 河南中烟工业有限责任公司 Automatic cleaning type vibration cabinet for carbon dioxide expanded cut tobacco
CN106862142A (en) * 2017-04-18 2017-06-20 刘晓富 A kind of plant material cleaning airing device used for cosmetic

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