EP2509456A1 - Temperature control of a forming device for a filter rod machine or tobacco rod machine - Google Patents
Temperature control of a forming device for a filter rod machine or tobacco rod machineInfo
- Publication number
- EP2509456A1 EP2509456A1 EP10790354A EP10790354A EP2509456A1 EP 2509456 A1 EP2509456 A1 EP 2509456A1 EP 10790354 A EP10790354 A EP 10790354A EP 10790354 A EP10790354 A EP 10790354A EP 2509456 A1 EP2509456 A1 EP 2509456A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- machine
- peltier element
- tobacco
- format
- 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
- 241000208125 Nicotiana Species 0.000 title claims abstract description 58
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 58
- 238000001816 cooling Methods 0.000 claims abstract description 159
- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 50
- 238000005496 tempering Methods 0.000 claims description 38
- 239000000498 cooling water Substances 0.000 claims description 31
- 239000003292 glue Substances 0.000 claims description 21
- 239000000110 cooling liquid Substances 0.000 claims description 18
- 239000004831 Hot glue Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000002470 thermal conductor Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 description 29
- 235000019504 cigarettes Nutrition 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000005679 Peltier effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- DNHVXYDGZKWYNU-UHFFFAOYSA-N lead;hydrate Chemical compound O.[Pb] DNHVXYDGZKWYNU-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- XXUZFRDUEGQHOV-UHFFFAOYSA-J strontium ranelate Chemical compound [Sr+2].[Sr+2].[O-]C(=O)CN(CC([O-])=O)C=1SC(C([O-])=O)=C(CC([O-])=O)C=1C#N XXUZFRDUEGQHOV-UHFFFAOYSA-J 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/26—Drying the seam
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0229—Filter rod forming processes
- A24D3/0233—Filter rod forming processes by means of a garniture
Definitions
- the invention further relates to a machine of the tobacco processing industry, a method for operating a machine of the tobacco processing industry, in particular filter rod machine or tobacco rod machine, wherein a strand, in particular a filter strand or a tobacco rod, is wrapped with a wrapping paper strip, which at an adhesive seam with a Glue, in particular
- Tobacco-processing industry machines that produce filter strands or tobacco strands from a filter tow, tobacco or other material and wrapped with a wrapping paper are marketed under the names KDF and SEF, among others, by the Applicant.
- the conveying speed of a filter strand with, for example, a KDF is currently about 500 m / min.
- a filter tow is first withdrawn from a filter towbale and then subjected to several process steps.
- the filter tow is widened, stretched, and sprayed with a plasticizer during processing, before being formed into a round section strand in a formatting device.
- the format device may comprise an inlet finger and a format inlet and then a format outlet for introducing the material into the actual format.
- the filter tow is placed in a continuous wrapping paper strip withdrawn from a reel, which has an adhesive seam made of a hot glue on one side.
- the wrapping paper strip is completely wrapped around the filter strand in the formatting device with the adhesive seam of the wrapping paper placed on the opposite side of the wrapping paper so that the wrapping paper is closed in a ring around the filter strand.
- a corresponding hot glue is liquid when applied to the wrapping paper strip and has a temperature of about 180 ° C. It must be cooled down so that it solidifies and creates a safe bond of the wrapper strip.
- This purpose is served by a cooling bar in the format device, which is arranged on an upper format or a lower format of the format device.
- the cooling of the adhesive seam by means of a cooling web is part of the so-called "process cooling", wherein a process cooling, the cooling of a material flow, ie a tobacco rod or a filter strand, or other movable or immovable parts of the machine is understood, in contrast to the cooling, for example, an electronic control system.
- a cooling web of such a format is cooled by means of a separate recooling device for process cooling.
- a separate recooling unit for process cooling in a single-line machine such as the KDF, which simultaneously processes only one strand, has a power consumption of a few kW (kilowatts). It is arranged in a separate structural unit or in a structural unit in the machine and cools the cooling webs of the format device via a coolant circuit with a flow line and a return line.
- the coolant has, for example, a temperature of 6 ° C and a flow of 6 l / min at a pressure of 2 bar.
- the integration of the coolant circuit from the external recooler to the cooling bar is complex and the required cooling capacity of the external recooler is relatively high.
- a temperature control with an external recooler is only very limited and possible because of the flow velocity of the coolant in the cooling circuit only with a large time delay.
- a cigarette rod is wrapped in a formulator with a wrapping paper strip or cigarette paper strip Subframe promoted in which the cigarette paper strip is folded around the tobacco rod, so that still protrudes an edge, which is glued by a Glimapparat with a cold glue. Then the glue seam is closed and dried from above by a Tandemnahtplätte by heating The upper format formed by, for example, an infeed finger of the format device and the seam is heated, at least in sections, to bind the cold glue.
- the present invention is therefore based on the object, a temperature control, ie cooling or heating, a format or format device for a machine of the tobacco industry, especially for a filter rod machine or tobacco rod machine to provide that requires no separate recooler, less energy consumed, flexibly controllable and small building, is simple and can be retrofitted.
- a temperature control device for a format device of a machine of tobacco processing Industry, in particular a filter rod machine or tobacco rod machine, wherein the Temper michsvoriques comprises at least one Temper michs behavior Temper michsvid Congress and at least one Temper michs redesign which is integrally formed with the at least one Temper michs vomigen or thermally conductively connected to the at least one Temper michs vomigen or is connected, which is further developed in that the tempering device comprises at least one Peltier element, by means of which the tempering body can be cooled and / or heated.
- a heat sink a radiator or optionally designed as a cooling and / or radiator body.
- Peltier elements by means of Peltier elements a very small-sized and energetically favorable with electric current to be operated possibility is given to cool cooling bars or heat heating bars.
- Peltier elements rely on the Peltier effect that with certain conductors or semiconductors, a flow of an electrical current results in heating of an electrical contact of the element and a cooling of the other electrical contact. It is therefore spoken of a warm side or hot side and a cold side of the Peltier element. With commercially available Peltier elements can be between the cold side and the hot side can reach temperature differences of 50 ° C and more up to 70 ° C or 80 ° C. A single peltier element can achieve cooling or heating powers of 80 W or more.
- Peltier elements are relatively small in size, they can also be installed in the immediate vicinity of the format device or in the format device, wherein in particular existing machines or filter or tobacco rod machines can be retrofitted with such Peltier elements as cooling or heating. Since the Peltier elements are installed in the machine or filter or tobacco rod machine, only electrical lines are to be laid and for the waste heat possibly coolant connections to the machine system, but not consuming to insulate coolant lines to separate cooling units. Since the pellets animal elements also can be arranged or arranged very close to the cooling bars to be cooled or the heating bars to be heated, the waste heat losses are greatly limited by heating surrounding components of the machine.
- the tempering device according to the invention thus has the advantages that no separate external recooler and no long cooling lines to separate cooling units are necessary. It can be installed as a compact unit.
- the tempering device comprises a coolant circuit with a pump which thermally connects a cold side of the Peltier element with the Temper michs redesign.
- a separate small-scale coolant circuit can be used, including a coolant pump.
- This variant is particularly advantageous for retrofitting existing machines of the tobacco-processing industry, in particular of existing filter rod machines and / or tobacco rod machines, since the already cooled with a larger coolant circuit cooling bars, formats or other Temper michs vomISE need only be connected to another, smaller cooling fluid circuit. Since the length of the coolant lines can be kept very short, the thermal losses during transport of the coolant are low. Also, due to the small volume of the coolant circuit, a control of the temperature of the cooling web can be done much faster than before with an external recooler.
- the tempering body with a cold side of the Peltier Ele- ments connected or connectable directly or via a metallic thermal conductor is carried out by a thermal contact without coolant, so that a very efficient and rapid transfer of thermal energy, ie heat takes place.
- thermal losses are severely limited and reaction times for the control of the temperature to be set of the Temper michs vomips greatly shortened compared to a use with a coolant circuit.
- the elimination of a coolant circuit also eliminates the risk of leakage from which coolant exits. Such coolant leaks can make produced filter rods or tobacco rods batch-wise useless and thus lead to undesirable losses.
- a Temper michs vomange when a Temper michs vomange manipulate has an extension in the direction of a filter strand, a tobacco rod or other strand of material, which is greater than the longitudinal extension of a Peltier element, it is preferably provided that a plurality of Peltier elements are arranged in a row and / or offset one behind the other , In this way, a Temper michs vomange phenomenon along its entire length can be cooled and / or heated.
- the staggered arrangement or alternate arrangement results in a higher power density of the cooling or heating along the length of the Temper michs vomitess.
- a warm side of the at least one Peltier element for dissipating waste heat is connected to a cooling water circuit of a machine of the tobacco-processing industry or connectable.
- Most machines of the tobacco processing industry, in particular filter rod machines and Cigarette rod machines have a cooling water circuit, with cooling water at a temperature of about 20 ° C is used to transport the waste heat of the entire machine.
- the water cooling of the Peltier elements can be replaced or supplemented by air cooling or convection cooling.
- the heat capacity of the cooling water system of a corresponding machine of the tobacco processing industry is so great that the cooling water for the Peltier elements means a large thermal mass. Therefore, the warm side of the Peltier element adopts the temperature of the cooling water when properly exchanged with the cooling water. Thus, the temperature of the cold side of the Peltier element as a differential temperature to the cooling water temperature is very precise and stable adjustable.
- the cooling bar Since the cooling bar must be cooled to a temperature of about 6 ° C to 15 ° C to solidify the hot glue, little energy or power is required to cool the cold side compared to the tempered at cooling water temperature hot side to this value ,
- a warm side of the at least one Peltier element for dissipating waste heat is advantageously connected or connectable to a cooling pipe which carries cooling air.
- the heated air is then optionally used elsewhere for heating.
- the heat removal can also passively convective carried out with a suitable coolant or a cooling liquid.
- a second cooling circuit is present, but without a separate recooler. This solution provides a lower necessary overhead and a lower coolant flow compared to a cooling circuit with a recooler.
- a particularly good heat conduction and low heat losses are preferably achieved if the tempering body and the Temper michs vomianu have a common abutment surface, wherein at the abutting surface, the surface of the Temper michs emotionss is complementary to the surface of the Temper michs vomites stresses, in particular the abutment surface in cross-section a straight, V-shaped, forms dovetailed, curved or irregular line.
- the tempering body and the Temper ists vomientharmITY are bolted together.
- the surface closure along the abutment surfaces is approximately 75% in the case of a screw connection with several screws.
- the tempering body and the tempering surface body are at least partially made of copper and / or a ceramic material with good heat conductivity.
- the abutment surface Due to the shape of the abutment surfaces, which may be V-shaped, dovetail-shaped or similar in cross-section, the abutment surface is increased overall, so that a proportion of 75% of the abutment surface, in which the contact is flush, leads to a better heat transfer or transfer the thermal energy leads.
- a, for example, dovetailed, abutting surface is advantageous because with such a geometry of the abutting surfaces a form fit between Temper michs redesign and Temper michs vom emotions is achieved.
- the positive connection can also be supplemented by a force fit if the dimensions of the interlocking structures of the dovetail structure are selected accordingly. In such a case, a be omitted screwed or provided as an additional backup.
- a particularly easy-to-use solution consists in that the at least one Peltier element and the at least one Temper michs 1969 are combined in a structural unit of a block with which the Temper michs vomient phenomena is connected to form a flat support or connectable.
- the two-dimensional support preferably takes place along a previously described abutment surface.
- Such a unit or a block, also called “thermoblock” is particularly easy to install and manufacture.
- an inlet finger, a sub-format, an upper format and / or a cover strip of the format device is designed as Temper michs vomientSuperharmSuper which is thermally conductively connected to a temperature control body comprising at least one Peltier element or connectable. This applies to both filter rod machines and tobacco rod machines.
- a Temper ists vomient is designed as a heating bar, which is heated by means of a tempering device which comprises at least one Peltier element, wherein the heating bar is adapted to heat a glued on a cold glue glue seam of a wrapping paper strip.
- the heating bar is a cooling bar, which is connected to a Temper michsschreib with at least one reversed Peltier element or with a heating side of a Temper michs stressess with at least one Peltier element.
- these two embodiments mean the reuse of a heat sink which, after reversing the polarity of the Peltier Elements as a radiator works.
- the tempering body has a heating side and a cooling side, so that it can be used optionally for heating or for cooling.
- thermoforming an adhesive seam of a wrapping paper strip based on a cold glue with a tempering device comprising at least one Peltier element can be combined with cooling of further components of the corresponding format device by means of the same and / or another tempering device according to the invention with Peltier elements.
- the object underlying the invention is also achieved by a machine of the tobacco-processing industry, in particular filter rod machine or tobacco rod machine, with a pre-described tempering device according to the invention.
- the object underlying the invention is also by a method for operating a machine of the tobacco-processing industry, in particular filter rod machine or tobacco rod machine, wherein a strand, in particular a filter strand or tobacco rod, is wrapped with a wrapping paper strip, in particular at an adhesive seam with a glue a hot glue or a cold glue, wherein the wrapped strand is conveyed through a format device having an upper format and / or a lower format with a Temper michs vomITE, in particular for the adhesive seam, solved, which is further developed in that the Temper michs vomITE by means of at least one Peltier Elements cooled and / or heated.
- This method has the same advantages as the aforementioned tempering device according to the invention.
- a temperature profile along the Temper ists vomient is set by means of several Peltier elements, which increases or decreases in particular in a conveying direction of the strand, the temperature profile can be advantageously adapted to the optimization of the cooling process or heating process for the bond line.
- an initially very strong cooling effect a strong solidification of the hot glue bond
- the filter strand is not drawn because of the short residence time at this point by the very low temperature affected.
- lower cooling is provided by subsequent Peltier elements, so that further solidification of the bond seam is continued at a lower cooling rate, but despite the longer residence time in this section, the underlying filter strand is not exposed to a very low temperature ,
- heating a cold glue seam with a heating bar what has been said applies with the opposite sign, ie with high temperatures instead of low temperatures.
- the measurement of the temperature profile is preferably carried out on the respective Peltier element, in particular on the format, while so far a temperature measurement was only possible at the inlet of the format device.
- the Temper ists vomientenia is designed as a cooling bar or as a heating bar for the bond line.
- a momentary reversal in the polarity of the supply voltage or the supply current for the Peltier element causes the cold side to become the hot side and vice versa.
- the now after the reversal of polarity hot side has a corresponding high temperature at which the condensation evaporates very quickly and can not accumulate so much that it can drip down.
- the heating can happen very quickly with Peltier elements, so that a short heating time to a temperature of 40 ° C is already sufficient to condensation moisture to remove.
- ice formation due to excessive cooling capacity after a machine stop is preferably heated quickly and only then the stranding machine started up again. Otherwise results in a soaked filter or tobacco rod.
- an adhesive seam of a wrapping paper strip of a tobacco rod or filter strand based on a cold glue is heated by means of a tempering surface body designed as a heating bar.
- the temperature is adapted, inter alia, to a run-up and / or braking ramp.
- the cooling flow is adapted to the material flow of the strand, so that the strand receives a uniform temperature, regardless of the conveying speed. This is possible due to the quick controllability of the Peltier elements.
- the second alternative relates to the case that the temperature change of the Peltier element and the Temper ists stresses does not take place as fast as the acceleration or braking of the strand. In this case, the Rate of acceleration or braking rate selected so that the temperature change can be fast enough to ensure a constant strand temperature. Both alternatives can also be combined with each other.
- a strand diameter of the filter strand or of the tobacco rod is determined by means of a sensor downstream of the format device, and the temperature of the temperature control body is regulated as a function of the determined strand diameter.
- a sensor downstream of the format device, and the temperature of the temperature control body is regulated as a function of the determined strand diameter.
- the object underlying the invention is also achieved by using at least one Peltier element in a machine of the tobacco-processing industry, in particular a filter rod machine or tobacco rod machine, for cooling and / or heating a Temper ists vomips a format device.
- the energy efficiency of a machine of the tobacco processing industry is increased.
- the cooling of the cooling water in the case of a heating tempering device lowers the Energy requirement for an external cooling device.
- the warm cooling water can be used as process water, for example for preheating hot glue, in particular hot glue pellets. It also accounts for performance losses due to the throttling of the water flow rate in the previously known machines. Overall, the efficiency of the strand machines increases, in particular by the energy recovery described above.
- FIG. 1 is a schematic representation of a format cooling of a filter rod machine according to the prior art
- FIG. 2 shows a schematic representation of an embodiment of a format cooling according to the invention of a filter rod machine
- FIG. 3 is a schematic cross-sectional view through a format cooling according to FIG. 2
- FIG. 4 is a schematic representation of another embodiment of a format cooling according to the invention of a filter rod machine
- Fig. 5 is a schematic cross-sectional view through a format cooling of a strand of FIG. 4 and
- Fig. 1 shows a schematic representation of a format cooling of a double-stranded filter rod machine of the tobacco processing industry according to the prior art.
- an external cooling unit 1 is used with a recooling device 2, which absorbs a few kW in known filter rod machines, such as the applicant's KDF and cooling fluid at a temperature of 6 ° C with a flow of 6 l / min at a pressure of 2 bar provides.
- the cooling liquid is introduced via a feed line 3 via a manifold 5 in a unit 9 of the format device and continued there in several flow lines.
- 1 is a double-strand machine, so that the heat sinks 6, 6 'belonging to the respective formatting device, cooling webs 7, 7' and strands 8, 8 'are doubled. are pelt.
- the two modules are not side by side or behind each other, but shown one below the other. In one possible embodiment of a machine, however, the two strands are arranged in one plane and the two heat sinks are respectively assigned to the two strands. The webs run like the strands parallel to each other in two horizontal tracks.
- Each heat sink 6, 6 'of the first strand 8 and the second strand 8' is supplied with its own coolant line and cooled.
- the cooling webs 7, 7 'each have a thermal connection with the heat sink 6, 6', so that the cooling webs 7, 7 'have a temperature of about 6 ° C to 15 ° C and cool down hot glue in the filter strands 8, 8' and solidify.
- the cooling liquid Due to the heat absorbed from the strands 8, 8 ', the cooling liquid is heated. This is guided via coolant lines to a second distributor 5 'and combined there into a common return line 4 and conveyed to the recooling device 2. So that the coolant circuit is closed.
- the cooling capacity must be adjusted accordingly, since the hot glue of a seam of two strands must be cooled.
- a first embodiment of a formattempering according to the invention is shown schematically using the example of a format cooling. It is also a two-line machine, wherein the format elements, namely heat sink 6, 6 ', cooling webs 7, 7' and strands 8, 8 'in the assembly 21 of the format cooling are the same as in the prior art of FIG. These are also shown above one another for reasons of clarity. provides.
- a central component of the embodiment according to FIG. 2 is the cooler 22, which comprises one or more Peltier elements, of which FIG. 2 shows a Peltier element 23, 23 '.
- the Peltier element includes a cold side 23 and a hot side 23 '. With the hot side 23 ', the Peltier element is connected to stubs 12, 13 of a cooling water circuit with a flow line 10 and a return line 1 1, which dissipates large volumes of waste heat of the machine.
- the temperature of the cooling water is usually about 20 ° C in the flow.
- the thermally a comparatively small mass performing Peltier element or the radiator 22 is set to a constant temperature base and waste heat can be dissipated via the cooling water.
- the Peltier element 23, 23 ' generates a temperature difference between the warm side 23', which has the temperature of the cooling water, and the cold side 23. The temperature difference can be variably adjusted by controlling the electrical power consumption of the Peltier element 23, 23 '.
- the cold side 23 of the Peltier element is connected to a cooling fluid circuit which is completely enclosed within the format cooling assembly 21 and thus has only a very small mass to be moved.
- the cooling circuit consists of a flow line 24 with a pump 25 for the cooling liquid, wherein the flow line 24 is split in a manifold 27 in a plurality of flow lines, so that the heat sink 6, 6 'of two format devices for two strands eighth '8' can be cooled.
- the cooling liquid is heated due to the Absorption of heat from the strands 8, 8 'via the cooling webs 7, 7'.
- the heated cooling liquid is returned via return lines and returned in a second manifold 27 in a return line 26 of the cooling circuit to the cold side 23 of the Peltier element, where the cooling liquid is cooled down again to ade bath- keitstemperatur.
- the heat absorbed is dissipated via the warm side into the cooling water through the branch line 13 to the return line 1 1 of the cooling water.
- the required in the format cooling according to FIG. 2 electrical energy to operate the Peltier element 23, 23 ' is substantially smaller than the cooling power of the external recooler 2 required by the prior art shown in FIG. 1. This is because the coolant lines are essential shorter than in the prior art and thus significantly less losses due to radiation of thermal energy from the coolant lines occur.
- the short cooling liquid lines also do not have to be fed into the machine, for example a filter rod machine, and led out again so that the volume of the machine groups and machine elements with which the cooling liquid lines come into contact are also significantly smaller than in the prior art. Thus, less mass of the machine is to be considered as a cold sink according to the invention.
- a format cooling is shown largely in accordance with FIG. 2 in cross-section schematically. It can be seen in cross-section that it is a two-strand machine with two strands 8, 8 '. Stub lines 12 and 13 to a flow line 10, not shown, and a not shown return line 1 1 of the cooling water lead into the assembly 21 of the cooling device 20 and meet a cooling water chamber 28, the direct contact with the warm side 23 'of a Peltier -Elements has. By means of Coolant chamber 28 is a thermal exchange between the warm side 23 'of the Peltier element and the cooling water instead.
- the Peltier element has a cold side 23, which is connected to a further cooling liquid chamber 29 and allows an exchange of thermal energy between the cold side 23 of the Peltier element and the cooling liquid.
- a further cooling liquid chamber 29 which acts as a heat exchanger, leads a feed line 24 with a pump 25 of the cooling circuit to a manifold 27, which is seated on the common in the case of Fig. 3 heat sink 6 of the two cooling webs 7, 7 '.
- the distributor 27 serves to introduce the cooling liquid into the cooling body 6.
- the cooling liquid is also returned to the cooling liquid chamber 29 through a return line 26, where the cooling liquid, which in the meantime has been heated, is again cooled to the operating temperature.
- the cooling webs 7, 7 'in Fig. 3 may be formed as heating bars, while the heat sink 6 is reversed or its Peltier elements are reversed.
- Fig. 4 shows a schematic representation of another embodiment of a format cooling according to the invention.
- a Peltier element 23, 23 'with its warm side 23 is connected via branch lines 12, 13 to a cooling water circuit of the machine, which constitutes a large thermal mass in comparison to the cooling device according to the invention and thus conveys a temperature reference point.
- This temperature reference point can serve as a reference both for cooling and for heating by means of Peltier elements.
- heatsinks in turn have a direct thermal contact with a respective cooling web 45, 45 'of the first strand 8 and of the second strand 8' of the double stranding machine.
- a heat sink 43 to 44 ' preferably good heat conductors such as copper blocks are provided. These may be laterally insulated to suppress heat radiation to the side, away from the strands 8, 8 '.
- Peltier elements instead of a Peltier element several Peltier elements in the direction of the strands 8, 8 'are arranged one behind the other and can be controlled separately, it is possible to set a varying temperature profile along the cooling webs 45, 45'.
- the Peltier elements can be controlled very quickly, so that it is possible to regulate the temperature very quickly and constantly when measuring the cold stack temperature. It is also possible, very quickly with a reversal of the polarity of the supply voltage of the Peltier elements to heat the cooling webs 45, 45 'and to remove unwanted condensation in this way.
- Fig. 5 is a cross section through a format cooling according to the invention according to the second embodiment of FIG. 4, but for a strand 8, is shown.
- the cooling device 40 has as a central part of a Peltier element 23, 23 ', which is connected with its warm side 23' with a cooler 42 having a cooling water chamber 47, so that cooling water in the cooling water chamber 47 thermally well conductive contact with the hot side 23 'of the Peltier element has.
- the cold side 23 of the peltier element is connected to a cooling block 48, which is a first, directly contacted heat sink.
- This cooling block 48 is preferably made of copper or a similar good heat conducting material.
- a cooling web 45 connects, which also consists of copper or a good heat conducting material.
- the cooling web 45 has a surface thermal contact with the cooling block 48 at a common abutment edge 49, which is shown in Fig. 5 in a design with a flat surface.
- the cooling web 45 has a nikabitessförmi- ge recess which in radius with the radius of the strand 8, in particular filter strand 8, substantially coincident.
- the point of contact of the chill web 45 with the filter strand 8 is at the location of an adhesive seam 50 of the wrapping paper of the filter strand 8 consisting of a hot melt which is cooled to solidify and join the overlapping edges of the wrapping strip.
- the assembly is isolated by means of two insulation 46, 46 'against thermal radiation, so that the cooling power of the Peltier element 23, 23' for the most part flows into the cooling of the adhesive seam 50 of the filter strand 8.
- the Peltier element 23, 23 ' is made together with the radiator 42 and the heat sink 48 as a block or block-shaped unit, wherein the individual parts are connected together.
- the cooler 42 is, however, thermally insulated from the heat sink 48.
- Such a unit also referred to as a "thermoblock” can be installed with little effort, even in existing filter rod machines. The cabling effort is limited, since only electrical lines are to be laid, as well as a connection to the cooling water circuit of the machine This construction variant is very space-saving and compact.
- thermoblock For the heating of an adhesive seam from a cold glue, the cold and hot sides of the Peltier element according to FIG. 5 are interchanged.
- the thermoblock can also be constructed, for example symmetrically, such that it can be used optionally for heating a heating bar or for cooling a cooling bar.
- Such assemblies can also be adapted to different requirements, for example, different cooling bars or heating bars, and be connected to them. This allows a flexible combination of thermoblocks of different capacity and different length with cooling bars or other components to be cooled a machine of the tobacco processing industry, in particular filter rod machine.
- FIG. 6 schematically shows several variants of a single-line Format cooling shown in Fig. 5 in cross section.
- the variants in FIGS. 6 a) to 6 f) differ in the shape of the abutting edge 49 between the cooling block 48 and the cooling web 45.
- a screw connection from a cooling web 45 to a cooling block 48 which, for example, are both made of copper and a usual length of 750 mm, creates a surface closure of about 75%.
- a gap forms with an air layer that acts as an insulator, so that a transport of thermal energy at this point is strongly suppressed.
- a dovetail-shaped abutting edge 49 m is shown, which in addition to an enlargement of the surface of the abutting edge 49 1 "has the further advantage that a positive connection between the cooling web 45 and the cooling block 48 is formed can be plugged onto a self-retaining rail, so that a further attachment, such as a screw, at least partially omitted., However, the cooling web 45 is to be secured against a longitudinal direction in the longitudinal direction of displacement.
- the abutting edge can also be designed as a curved, curved abutment edge 49 IV . This will be sharp Avoid edges that can lead to a high radiation of heat radiation and a high loss of heat energy, if there is no direct contact between the cooling bar 45 and the cooling block 48 at the edges,
- Fig. 6 e) and Fig. 6 f) show a version of cumulative dovetails and a "V" shaped abutment edge 49 and a version of a joint edge 49 VI , which forms complementary interlocking cooling fins.
- the abutting edges according to FIGS. 6c), 6e) and 6f) have interlocking structures which ensure that the cooling web 45 has to be pushed onto the corresponding complementary structures of the cooling block 48 in the strand direction.
- the structures of the abutting edges 49 1 ", 49 v and 49 VI can be dimensioned such that, in addition to a positive connection, a frictional connection also occurs between the cooling block 48 and the cooling web 45. This is achieved, for example, by the male structures, which engage in the female structures of the complementary side, are dimensioned slightly larger than the corresponding female structures.
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10790354T PL2509456T3 (en) | 2009-12-11 | 2010-12-02 | Temperature control of a forming device for a filter rod machine or tobacco rod machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009054553A DE102009054553A1 (en) | 2009-12-11 | 2009-12-11 | Format cooling for a filter rod machine |
PCT/EP2010/007325 WO2011069616A1 (en) | 2009-12-11 | 2010-12-02 | Temperature control of a forming device for a filter rod machine or tobacco rod machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2509456A1 true EP2509456A1 (en) | 2012-10-17 |
EP2509456B1 EP2509456B1 (en) | 2018-10-10 |
Family
ID=43797676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10790354.4A Active EP2509456B1 (en) | 2009-12-11 | 2010-12-02 | Temperature control of a forming device for a filter rod machine or tobacco rod machine |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2509456B1 (en) |
CN (1) | CN102665454B (en) |
DE (1) | DE102009054553A1 (en) |
PL (1) | PL2509456T3 (en) |
WO (1) | WO2011069616A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012207397A1 (en) * | 2012-05-04 | 2013-11-07 | Hauni Maschinenbau Ag | Apparatus for heating an overlapping seam of a wrapping strip of a strand of the tobacco processing industry |
DE102012208450B4 (en) * | 2012-05-21 | 2015-03-26 | Hauni Maschinenbau Ag | Strand forming device and strand machine of the tobacco processing industry |
CN103720032A (en) * | 2012-10-15 | 2014-04-16 | 贵州中烟工业有限责任公司 | Cigarette making machine cigarette rod sealing apparatus |
DE102014221146A1 (en) | 2014-10-17 | 2016-04-21 | Hauni Maschinenbau Ag | Transfer device of a filter rod machine and method for operating a filter rod machine of the tobacco processing industry |
CN105011359B (en) * | 2015-08-04 | 2017-07-07 | 浙江中烟工业有限责任公司 | A kind of cooling system for the cooling of cigarette machine feeding part circulated air |
CN107853751A (en) * | 2017-12-06 | 2018-03-30 | 南通烟滤嘴有限责任公司 | Position cooling and dehumidifying device is molded in filter-stick forming device |
CN108378415A (en) * | 2018-01-31 | 2018-08-10 | 南通烟滤嘴有限责任公司 | The paper tape groove filtering pole shaping machine synchronous with tow |
Family Cites Families (17)
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FR850976A (en) * | 1938-03-29 | 1939-12-30 | ||
US3716443A (en) * | 1969-04-10 | 1973-02-13 | Molins Machine Co Ltd | Continuous rod making machines |
DE2311415A1 (en) * | 1973-03-08 | 1974-09-19 | Hauni Werke Koerber & Co Kg | METHOD AND APPARATUS FOR MANUFACTURING STRANDED ARTICLES FOR THE TOBACCO INDUSTRY |
DE4221564A1 (en) * | 1992-07-01 | 1994-01-13 | Siemens Ag | Solder connection method for joining e.g. LED chip and flat copper component - preheating solder, positioning chip, melting solder by short-term temp. increase and lowering chip into position before cooling |
GB9407715D0 (en) * | 1994-04-19 | 1994-06-15 | British American Tobacco Co | Improvements relating to tobacco smoke filter elements |
DE19548148A1 (en) * | 1995-12-22 | 1997-06-26 | Hauni Maschinenbau Ag | Device for heating the glued overlap seam of a strand of the tobacco processing industry |
KR100331206B1 (en) * | 1996-11-08 | 2002-04-06 | 구보다 다다시 | Thermoelectric cooling system |
JP2997246B1 (en) * | 1998-08-11 | 2000-01-11 | 日本たばこ産業株式会社 | Compression molding equipment for cigarette manufacturing machines |
JP2000253864A (en) * | 1999-03-10 | 2000-09-19 | Japan Tobacco Inc | Compression molding apparatus for cigarette production machine |
ATE339258T1 (en) * | 2003-07-25 | 2006-10-15 | Hauni Maschinenbau Ag | DEVICE FOR APPLYING A COMPOUND TO A WEB OF MATERIAL |
EP1504682B1 (en) * | 2003-08-08 | 2006-09-13 | Hauni Maschinenbau AG | Method and apparatus for producing a filter rod |
DE10354815A1 (en) * | 2003-11-21 | 2005-06-30 | Hauni Maschinenbau Ag | cooling |
US7478637B2 (en) * | 2004-11-09 | 2009-01-20 | Philip Morris Usa Inc. | Continuous process for surface modification of cigarette filter materials |
DE102006025056B4 (en) * | 2006-05-24 | 2008-03-06 | International Tobacco Machinery B.V. | Device for bonding the wrapping of a continuous strand of filter material |
DE102006038973A1 (en) * | 2006-08-21 | 2008-03-20 | Hauni Maschinenbau Ag | Paper gluing during strand production |
DE102006052122B4 (en) * | 2006-11-06 | 2009-07-30 | Rittal Gmbh & Co. Kg | Air conditioning device |
ATE497707T1 (en) * | 2007-12-04 | 2011-02-15 | Hauni Maschinenbau Ag | STRAND SHAPING DEVICE OF A MACHINE IN THE TOBACCO PROCESSING INDUSTRY |
-
2009
- 2009-12-11 DE DE102009054553A patent/DE102009054553A1/en not_active Withdrawn
-
2010
- 2010-12-02 EP EP10790354.4A patent/EP2509456B1/en active Active
- 2010-12-02 PL PL10790354T patent/PL2509456T3/en unknown
- 2010-12-02 WO PCT/EP2010/007325 patent/WO2011069616A1/en active Application Filing
- 2010-12-02 CN CN201080056153.8A patent/CN102665454B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011069616A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2509456B1 (en) | 2018-10-10 |
PL2509456T3 (en) | 2019-03-29 |
WO2011069616A1 (en) | 2011-06-16 |
CN102665454B (en) | 2016-04-20 |
CN102665454A (en) | 2012-09-12 |
DE102009054553A8 (en) | 2011-11-10 |
DE102009054553A1 (en) | 2011-06-16 |
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