CN101113537A - Device and method for pumping and filtering air containing dust and/or fibre on the spinning machine - Google Patents
Device and method for pumping and filtering air containing dust and/or fibre on the spinning machine Download PDFInfo
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- CN101113537A CN101113537A CNA2007101384386A CN200710138438A CN101113537A CN 101113537 A CN101113537 A CN 101113537A CN A2007101384386 A CNA2007101384386 A CN A2007101384386A CN 200710138438 A CN200710138438 A CN 200710138438A CN 101113537 A CN101113537 A CN 101113537A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/682—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by nozzles
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H11/00—Arrangements for confining or removing dust, fly or the like
- D01H11/005—Arrangements for confining or removing dust, fly or the like with blowing and/or suction devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/28—Making use of vacuum or underpressure
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
An apparatus (14) for pumping and filtering air containing dust and/or fibre in a weaving machine (1), which comprises pumping channel (7), a filtering device (8) with filtering surfaces (16, 25), a removing device (27) for removing filter waste (29) from the filtering surfaces (16, 25), a vacuum source (10, 44) for generating suction, a drive device (35) for implementing filter cleaning process by means of the removing device (27), also comprises a vacuum sensor (31) for measuring vacuum degree of the vacuum area on the upstream of the filter. The present invention is characterized in that the device (14) comprises a control or regulating device (30), based on the vacuum degree value measured by the vacuum sensor (31) and the prescribed vacuum degree or its range, to control or regulate the vacuum degree of the vacuum area on the upstream of the filter, wherein the control or regulating device (30) is connected to the drive device (35) effectively by means of the following mode: the vacuum degree of the vacuum area lies on the air flux of the filter surface, thus lies on the filter waste bestrowing layer of the filter surfaces (16, 25), the vacuum degree of the vacuum area on the upstream of the filter is controlled or regulated by means of the drive device (35) which is used for cleaning filter.
Description
Technical field
The present invention relates to a kind of being used for has on the textile machinery of one or more stations suction and is filtering the equipment of the air that contains dust and/or fiber, this equipment comprises suction channel, have the filter of the filter that forms filtering surface, be used for removing removing device, being used to produce the vacuum source of suction of filter refuse from filtering surface, and be used for implementing the drive unit of filter cleaning process by removing device, comprise that also at least one is used to measure the vacuum transducer in the vacuum of the vacuum area in filter upstream and/or downstream.In addition, the invention still further relates to the method for vacuum in a kind of control/be adjusted at suction system.
Background technology
It is known coming removal of contamination by means of pumping equipment, these impurity on the textile machinery for example are loose or the fiber (artificial fibre, microfiber, cotton fiber or analog) and the dust that fly around, wherein, these impurity are particularly to produce owing to the running of textile machinery.For this purpose, for example by suction channel with contaminated air supply to central vacuum source with filter.
In spinning machine, for example on each spinning position, in the zone of drafting system, particularly in the exit of drafting system or between drafting system and spindle, suction point is set, at this suction point place, loose fibres, dust and willow catkins flying in the air are sucked out by suction tube, and wherein, this suction tube is contiguous to the passage that is used for contaminated air is transported to filter.
In addition, compact spinning machine with pneumatic apparatus for collecting in the exit of drafting system or the downstream part of outlet comprise and gather the zone, this gathers the zone and has the suction point that form is rotary screen or ventilative (grid) apron, and therefore the ribbon of exporting from the jaw line of drafting system was pneumatically gathered before twisting.Gathering by being to be undertaken equally here by the suction that pumping equipment produces.
For example in DE-A-198 05 397 and DE-A-198 46 268, this compact spinning method has been described.
Pneumatic pumping equipment comprises vacuum source, blower fan for example, and this vacuum source produces the required vacuum of suction.The air of extracting out is transported in the filter by being generally central suction channel, in this filter, and the separated and processing of dust and fiber grain.
This filter has for example been described in DE-A-101 24 922.The disclosure document description a kind of filter, this device comprise filter drum and in filter drum vacuum blower fan, therefore, air is inhaled into the inside of filter drum from surf zone by filter drum diametrically, and is filtered simultaneously.Accumulated on the filter drum the residue that is called refuse by be located on the filter drum to remove device separated and be transported to gathering-device from the filter drum.This is to carry out in the following way: filter drum rotates around the filter drum axis by drive unit, and the surf zone that is covered with refuse simultaneously is transported to and removes device, and refuse is removed by this operation.
The subject matter of pumping equipment is to be controlled at the air capacity that vacuum condition in the suction tube circuit or each unit interval discharge, so that corresponding controlled aerodynamic conditions particularly is provided on spinning position in suction system.Controlled aerodynamic conditions for example is meant that the pressure condition in pumping equipment or the quantity that deflates are constant or variable according to predesignating in a controlled manner.
Therefore, for example when broken string took place, the filter covering in each time period obviously increased, thereby the pressure condition in suction system just changes in unexpected mode, and this is necessary filter is cleaned with regard to making.On the other hand, when not breaking, the filter covering in each time period is fewer, thereby lower filter degree of cleaning is just enough.
In addition, the controlled pneumatic condition is very important, particularly aspect the yarn qualities that is obtained, because for example in the scope of compact spinning, has decisive influence in the suction condition of gathering on the unit to compacting effect and then to the fine hair situation.In addition, the inadequate suction of drafting system may cause fiber and dirt residue, and these residues produce negative influence to the running of yarn production and equipment again.Moreover also suitable here is optimizing pumping equipment and running thereof in mode as well as possible aspect the cost of making and turning round, to that is to say, comprising just in time the same with aequum big pumping power is provided by corresponding technical measures.
Therefore, for example the filter of filter or its cover layer that contains fiber and dust can produce critical influence to the pressure condition of suction system.Fiber and dust from waste gas that filter is capped are thick more, and each unit interval is just more little by the gas volume of filter, and the pressure condition in suction channel also correspondingly changes.After the filter cleaning of regularly carrying out was finished, pumping power increased again, and pressure condition has just suddenly changed.
Therefore, for example in DE-A-101 24 922, pressure differential between filter drum inside and outside to infer the thickness that is deposited on the refuse on the filter drum, determines to remove the time point of refuse by means of measuring in sensor on the basis of the pressure differential that records.Here, it is to carry out discontinuously that filter cleans, and is set to when arriving specific pressure differential and just begins to clean, and this specific pressure differential has represented that the refuse on filter drum has arrived specific thickness.After removing refuse, this pressure differential has just reduced significantly, the new rising up to filter cleaning next time of laying equal stress on.Therefore here, the vacuum condition in the suction zone before filter cleans is highly variable, and this is unfavorable to spinning process.
In order to address the above problem, control the power or the rotating speed of blower fan by (electronic) drive unit of distributing to blower fan.For example the swabbing action that causes pumping equipment to reduce owing to serious filter cover layer can correspondingly be compensated by increasing motor power, and still, this has caused the increase of energy consumption, and may need more high performance motor.
Summary of the invention
Therefore, the objective of the invention is to propose a kind of effective, simple and economic method that before filtering cleaning, is provided with and keeps the steered vacuum condition.
This purpose is to realize by such mode, on the basis of the vacuum value that records by at least one vacuum transducer and vacuum setting of being scheduled to or vacuum setting scope, promptly control or be adjusted at the vacuum of the vacuum area in filter upstream and/or downstream with the equipment that comprises control or regulator, this control or regulator are effectively connected to the drive unit that is used for filter rinsed, and the control of vacuum or adjustment are to be used for the drive unit that filter cleans by startup to carry out.Compared with prior art, what vacuum transducer was measured is efficient vacuum degree rather than difference, thereby can control or adjust vacuum.
The vacuum of utilization of the present invention in the vacuum area in filter upstream and/or downstream is the such understanding of cover layer that depends on the air flue by filter surfaces thereby depend on the filter surfaces that contains the filter refuse, therefore can be used for the drive unit that filter cleans by being switched on or switched off, vacuum condition is controlled or adjusted to the speed that perhaps changes them.Here, the upstream of filter is meant in the vacuum area that filters before cleaning, and the downstream of filter is meant in the vacuum area that filters after cleaning.
The setting of vacuum or setting scope are stored in the control device easily.In addition, the range boundary value of the vacuum in suction or apparatus for collecting can be used as the functional relation of the number of yarns that will realize and is stored, thereby is provided with another vacuum according to number of yarns in system.Except the energy-saving method of operation, vacuum condition in suction or the process gathered thereby various existing requirement that can adaptive system.Therefore, can also be provided with and be used to import the range boundary value of current operation or the device of number of yarns.
Textile machinery can be a spinning machine, for example ring spinner, centrifugal type spinning machine, cap spinning spindle machine, jet or rotor spinning machine, bobbin winder, flyer spindle machine, drawing frame, carding machine or combing machine.
This textile machinery comprises one or more stations, wherein, on at least one station, preferably on each station, all be provided with one or more suction points, contaminated air is sucked by these suction points and preferably is transported to filter by a central suction channel by one or more.
For spinning machine, each station is corresponding to each yarning position, and these yarning positions are furnished with drafting system respectively, and if also is furnished with apparatus for collecting when needing.
One filter can be assigned to one or more textile machineries.That is to say, be transported to a central filter from the contaminated air of one or more textile machineries.Textile machinery also can be divided into a plurality of sections, and each section comprises several stations, is respectively each section or respectively organizes section to be provided with the filter of self being with blower fan.
The suction tube that is positioned at the exit of the drafting system of each section and/or apparatus for collecting also can be connected to the blower fan arranged by section (below be called the section blower fan) by same section passage, and lead to the main channel through connecting line from the section blower fan, waste gas from a plurality of spinning positions is discharged by this main channel, wherein, another central blower fan can be set on the main channel.Filter described below can be center arrangement and distribute to for example central blower fan.In addition, as described above, the suction system of drafting system and apparatus for collecting also can separately be laid, but parallel each other.
At least one vacuum transducer preferably is set at the suction channel of the upstream that is positioned at filter cleaner, and several vacuum transducers also can be arranged in the different suction areas.Vacuum transducer preferably is set on the position of main channel of suction system of the upstream that is positioned at filter, preferably directly is arranged on the upstream of filter.Vacuum transducer is near more from filter, and measured value and filter cover layer are just relevant more, just more little with the not directly related interference effect of filter cover layer to pressure condition.
According to first kind of embodiment, the vacuum that is positioned at the filter upstream is by means of controlling in control device.This control device comprises evaluating apparatus, particularly signal adapter and controller, by means of them, the measured value that receives from least one vacuum transducer compares with the form of force value and vacuum setting or vacuum setting scope, and produce the control signal of controlling the drive unit that is used for the filter cleaning thus, to proofread and correct the deviation of actual value and setting.Described drive unit comprises corresponding actuator.Can design control device like this makes control signal automatically or manually be passed on the filter drive unit.
According to another kind of embodiment, vacuum is to adjust by control loop.This control loop comprises evaluating apparatus, particularly signal adapter and adjustment unit, by means of them, the measured value that receives from least one vacuum transducer compares with the form of force value and vacuum setting and vacuum setting scope, and produce the adjustment signal of controlling the drive unit that is used for the filter cleaning thus, to proofread and correct the deviation of actual value and setting.Described drive unit comprises corresponding actuator equally.
In improvement project of the present invention, the vacuum value that replacement is determined by at least one vacuum transducer, perhaps except these vacuum values, can also be control or regulator input data from line-breakage sensor, these line-breakage sensors for example are set on the spinning position.Broken string has caused the increase of fiber refuse in suction system.Therefore, the sensor of the broken string on spinning position makes and might apply controlled influence in early days to the filter cleaning process.This be occur in vacuum transducer fully obducent increase reacted to filter before.
In first kind of structure of equipment was provided with, filter comprised the filter drum with cylindrical filtering surface.This filter drum is furnished with and is used for separating and removing from filtering surface the device that removes of filter refuse.The surface of filtration can be self-supporting ventilative cylindrical parts or cylindrical the ventilative parts of flexibility that surround filter drum.The surface of this filtration can be through boring, the process punching or sheet textile constructions.The surface of filtration can for example be made up of organic material such as plastics, perhaps is made up of inorganic material such as metal, perhaps is made up of the compound of multiple material.
The drive unit that is used to implement the filter cleaning process comprises makes filter drum center on the driver that the filter drum axis rotates, wherein, by means of in filter drum around the filter drum axis continuous or discrete step-by-step movement rotate and can carry out filter and clean.Because the rotation of filter drum, filtering surface is from removing device next door process, and the filter refuse is removed and is transported in this operation process in collection or the treating apparatus.In this case advantageously, removing device is the installation that is fixed.But the filter cleaning part that removes device also can be directed passing through with cleaning filter surface from (static) filter drum next door, and perhaps both can be in the state that moves relative to each other.In this design, driven filter cleaner parts (also) are controlled/adjust.
Filter drum for example can be by means of in motor, and particularly electro-motor is rotated continuously.This motor is to filter drum axis transmitting torque.Electro-motor for example comprises current converter or frequency converter, wherein, is used to the original frequency of the converter power part of motor power supply to adjust by means of control or regulator, and this control or regulator are connected with one or more vacuum transducers.The rotating speed of the drive unit that drives by (electronic) motor and and then filter cleaning process and also can adjust by traditional gear drive or infinitely variable speed gearing.Above-mentioned drive unit also can be used to drive the filter bag that describes below.
In addition, the rotation of filter drum also can be by means of carrying out discontinuously in fluid pressure drive device, pneumatic actuating device, electronic cylinder or electrical linear motor.In this case, drive unit is connected on the meshing gear of distributing to filter drum by running.This drive unit is for example realized reciprocating motion by means of piston, and by means of these reciprocating motions, the meshing part that is engaged to this meshing gear is pushed.The motion of meshing part has caused moving of meshing gear, and then has caused the rotation of the filter drum that is connected with this meshing gear.This meshing gear can be the annulus wheel that has internal tooth.
According to second kind of structural design arrangement of equipment, filter comprises the filter bag that has filtering surface, particularly the annular filter band.This filter bag advantageously constantly is directed to by guiding parts.Preferably, at least one, two, particularly preferably be all guiding partss and all be designed to slewing rollers.But guiding parts also can be designed to slide unit.As shown in viewgraph of cross-section, the filter bag that constantly is directed to has limited the space that holds guiding parts.Driving is to carry out by means of the slewing rollers in one or more active drive, preferably passes through motorized motions.Owing to can use any guiding parts of wanting quantity for any structure of wanting in principle, also have very big free design space aspect the guiding of filter bag.That is to say, can freely determine the cross section geometry in described space according to actual conditions.
In preferred improvement project of the present invention, filter bag forms flat filtering surface, and this filtering surface is to be sealed by the guiding parts that is arranged on the end face.Because the space maybe advantageously, makes the width in this space as far as possible little, that is to say that the length of filtering surface adds up to the twice greater than the width in for example this space, particularly greater than 3 times, and for example less than 15 times, preferably less than 10 times, particularly less than 6 times.
The surface of filtration can be through boring or through perforation, or the sheet textile constructions of for example being made by fiber or filament.Filter bag for example can be made up of the organic material as plastics, perhaps is made up of the inorganic material as metal, perhaps is made up of the compound of multiple material.
Filter bag can be driven continuously or with discontinuous step-by-step movement.Its filtering surface is directed through removing device, filters refuse simultaneously and is removed and is transported to collection or treating apparatus.In this case, this removes the device installation that advantageously is fixed.What can expect equally is that the filter cleaning part that removes device is directed through (static) filter bag, with cleaning filter surface or even make both relative motions.In this embodiment, driven filter cleaner parts (also) controlled/adjust.
Vacuum source advantageously comprises blower fan, particularly axially or radial fan, in both of these case, pivot center with respect to rotor, air is along axially being inhaled into, and be along axial discharge equally for axial blower fan (for example air propeller or screw propeller) waste gas, for radial fan, waste gas is along radially discharge after overshoot 90 degree.If filter comprises drum strainer, as mentioned above, the pivot center of blower fan is preferably parallel with the axis of this filter drum.Drive unit can for example be arranged in this drum strainer and be parallel to the axis of filter drum.According to this embodiment, radially the air that flows into filter drum by filter promptly is deflected 90 degree towards the direction parallel with the axis of filter drum towards the direction of blower fan.Certainly, in corresponding setting, also can there be flow direction from inside to outside.That is to say that vacuum source is set at the outside of filter drum, contaminated air flows into filter drum and passes through filtering surface from side direction and radially outwards flows out.
If filter comprises filter bag, as mentioned above, blower fan is set so preferably, make with respect to the blower fan driving axis by blower fan axially the inhaled air direction be parallel to or be basically parallel to the direction that air flows through filter bag.But the direction that flows into blower fan also can be angled with the air through-flow direction by filter bag.
(flat) filtering surface advantageously tilts, and becomes greater than 0 ° with horizontal plane and be less than or equal to 90 ° angle.Filtering surface preferably with the horizontal plane angulation more than or equal to 20 ° especially more than or equal to 30 ° and preferably be less than or equal to 70 ° and particularly be less than or equal to 60 °.Filtering surface is to favour ground together with the surface of its filtration preferably.
Embodiment with the filter bag that constantly is directed equally also can comprise control similar to the above or regulator.But be stressed that, in the scope of present patent application, also claimedly a kind ofly have the filter bag that constantly is directed but do not comprise the filter of described control or regulator.
In addition, the invention still further relates to a kind of method of on textile machinery, aspirating and filtering the air that contains dust and/or fiber by means of equipment of the present invention, wherein, suction is by means of producing in vacuum source, and contaminated air is to be transported to filter by one or more suction channels, and the filtration refuse that is deposited in filter process on the filtering surface of filter is removed via removing device, in the vacuum of the suction areas of filter cleaner upstream by means of measured at least one vacuum transducer.
The outstanding feature of this method is, vacuum in the pre-filtering zone is to control or adjust by means of control or regulator, vacuum is to measure by means of at least one vacuum transducer that is arranged on the pre-filtering zone, and compares with the vacuum regulation prestige value or the setting scope of being scheduled to.Under measured vacuum value and regulation prestige value or setting scope situation devious, the filter cleaning process is to start, stop, continuing consistently operation by its drive unit, perhaps change its speed by means of the acceleration of passing through speed or deceleration by filter surfaces, make filtering surface filtration refuse cover layer and and then the air throughput by filtering surface also be changed, thereby in the vacuum in pre-filtering zone thereby be changed and be drawn towards setting.
In a kind of preferred improvement project of this method, carrying out continuous filter in the following way in filter process cleans: filtering surface constantly is directed being directed through filtering surface through the filter cleaning part that removes device or remove device, thereby makes filtering surface obtain cleaning.The correction of vacuum actual value and setting or setting coverage bias is to carry out through the speed of passing through that removes device or filtration cleaning part process filtering surface by changing filtering surface via control or regulator.
In a kind of optional improvement project of this method, carrying out discontinuous filter in the following way in filter process cleans: between filtering surface or ground is directed being directed occasionally through filtering surface through the filter cleaning part that removes device or remove device, thereby makes filtering surface obtain cleaning.The correction of vacuum actual value and setting or setting coverage bias is to be undertaken by being switched on or switched off of actuator that is used for the filter cleaning by control or regulator.If filtering surface is formed by drum strainer, this drum strainer rotates with the variable angle speed that is set by control or regulator and carries out the filter cleaning.If it is discontinuous filter cleaning, so drum strainer just by control or regulator between or turn over certain angular unit.
If filtering surface is to be formed by the endless belt, continuous filter cleaning is carried out being driven by the speed variable that control or regulator set in this endless belt.If it is discontinuous that filter cleans, the endless belt is just driven by between control or regulator or ground.
For filter drum and filter bag both, filter refuse and all removing on the device by means of in promoting or separator is raised or separates from filtering surface, and be transported to and collect or treating apparatus.Filter refuse can by mechanical, pneumatic or hydraulic way from filtering surface back to or that side of facing the inflow direction of contaminated air be raised, separate or divest.Filter refuse for example by means of in air, come the effect of filtering surface, be raised or separate and be removed from filtering surface back to that side of air-polluting inflow direction by the air-blast device air blast such as jet element.In addition, filtering refuse equally can be by by means of the suction of that side towards the contaminated air inflow direction comes to be raised or to separate and be removed from filtering surface from filtering surface in (air) aspirator.
In addition, filtering refuse can be by means of wiping, grasps, divests or scraping device in corresponding scraping, brush, by scraping, brush is wiped, grasped, divests or spatula mechanically removes from filtering surface, and is transported to collection or treating apparatus.The combination of cleaning with pneumatic, hydraulic pressure and machinery equally also is feasible.
Be that the filtration refuse that exists of the form with the matt-like material is after filtering surface is raised when surpassing specific growth thickness, for further use also can be by means of rolled-up in coiler device or by means of being ground into fragment in cutter sweep, and then be collected and handle.
In a kind of improvement project of the present invention, also can not only clean but also both modes of combining of the power by blower fan produce vacuum by filter,, that is to say by the rotating speed of blower fan and where necessary also by adjustable fan blade geometry.In a kind of preferred improvement project of the present invention, vacuum is set as and depends on specification of equipment and the number of yarns that will realize and also depend on the functional relation that other are predesignated, mainly adjust by power of fan where necessary, in this case, be provided with the further control device that influences power of fan.Control/the regulator that cleans according to filter of the present invention only is used to eliminate or reduces in the influence of filter cover layer to the vacuum condition in the pre-filtering zone, that is to say, vacuum or remain unchanged as far as possible or suitable with setting, this setting are not rely on the filter cover layer and are to be set and variable in time by power of fan.Here, the control/regulator of filter cleaning is equivalent to the adjuster of the vacuum condition in running.
In addition, for disclosed purpose, below (in general description part) concrete suction and filter of describing can not have under the situation of vacuum control unit by means of turning round in filter cleaner yet.
In a concrete design of the present invention, there is a kind of spinning machine, it comprises pumping equipment and several spinning positions, and at least one common passage, be provided with suction channel and/or pumping part for each spinning position, can be discharged from by common passage by suction channel and/or pumping part inhaled air, wherein, suction channel and/or pumping part are connected on the blower fan of local mode layout by total pipeline, and the tube connector that extracts from each blower fan is linked in the passage that the whole waste gas from a plurality of spinning positions can be discharged, blower fan has at least one motor of belt current converter, and the original frequency of the power component of powering for motor in this current converter can be adjusted by control/regulator.Preferably, the end at this passage also is provided with another blower fan.
If there are a plurality of blower fans, particularly in closely the spinning of porous and transfer unit easily suction, this transfer unit is used for conveying fiber bundle after the fibre bundle drawing-off, and these blower fans can have independent drive unit or they are driven by same axis.Have under the situation of individual drive, each blower fan is with a motor, each motor current converters that can be connected to oneself or central authorities.These current converters for example are frequency converters, design these frequency converters like this and make that this alternating current is transmitted on the corresponding motor from corresponding converter by lead from being the alternating current that the electric current of the electrical network of 50Hz produces changeable frequency from for example frequency.On each current converter of central motor, can be adjusted at and account for leading initial current frequency in the lead, perhaps separately frequency is the influence that is subjected to control/regulator of being connected with sensor in current converter.It is pressure or vacuum transducer that these sensors are designed to, and is placed on suction channel or the pumping part.For each section of spinning machine, at least one sensor or or even several sensors can detect pressure in suction channel or pumping part.If the pressure that is recorded by sensor exceeds the scope of permission, wherein, the range boundary value of vacuum is stored in the control device, order so from control device to be sent to the current converter via pilot and to influence the original frequency of the current converter in the circuit, thereby be consistent with the authorized pressure value once more by the pressure that sensor records.Can be used as the functional relation that depends on the number of yarns that will realize equally and be stored in suction or the range boundary value of apparatus for collecting vacuum, thereby in system, be provided with another vacuum according to number of yarns.Except the method for operation of energy-conservation type, the pressure condition in suction or the process gathered thereby can adapt to corresponding system requirements.About further details, herein can be referring to DE-A-10017209 (OBJ 2826), therefore the content of the document is considered to the part of the disclosure of invention.
If have passage or a plurality of passage component of many ventilation ducts, vacuum is to produce in central authorities, perhaps as mentioned, produces by several assemblies that are connected to passage component, all passages are laid on the centre of machine, particularly by dividing plate is installed each passage spatially are spaced from each other.But separate in the space also can be by means of realizing that in two or more autonomous channels these autonomous channels are parallel to each other and extend and direct each other disposed adjacent.In each passage or passage component or at some same passages or the vacuum in the passage component, can be set independently, thereby each passage has different vacuum.Before air-flow is introduced in corresponding passage or corresponding passage component, from the waste gas of several spinning positions (being known as section) can be collected in intermediate storage indoor and after just be introduced in main channel or passage component continuously by means of a unique hole that is used for all each spinning positions.Preferably, what be used for passage component from the waste gas of apparatus for collecting and be being provided with like this makes it be raised with respect to other passage components, and therefore the pipe joint of being joined can more effectively be fixed.Can use this device of the variable motor of one or more rotating speeds to change by using pumping components or blower fan or several in vacuum or the central a plurality of vacuum that produce that central authorities produce, wherein, in order to change rotating speed, frequency converter can be set or can use the rotor of variable geometry, thus the vacuum that can want according to the applicable cases setting.In addition, the pressure rating in passage can change by means of baffle plate in being arranged on passage or on the conduit wall or slide plate.For drafting system or the required optimum vacuum of apparatus for collecting suction in all cases, can realize adjusting by control/regulator with necessary adjustment means.If spinning machine is by means of turning round in data processor and corresponding device thereof, so just can utilize above-mentioned adjustment means to calculate and be adjusted at operating optimum vacuum of whole cop or optimum curve of vacuum continuously by means of in the number of yarns that will spin, selected drawing-off value and the spindle rotating speed of for example being scheduled to.
Particularly in compact spinning, vacuum is to depend on yarn parameter, for example yarn strength, fibre length, material and fine hair situation and adjust.For example, under the situation of thinner yarn, for example Ne 80, can reduce vacuum significantly, and under the situation of coarse yarn, for example Ne 20 carded cotton threads, only when pumping equipment is adjusted to higher power, gather the result and be that the fine hair situation just can be evaluated as is comparatively favourable.
Under the situation of thinner yarn, can adjust to the promptly lower vacuum of lower pumping power usually.Under the situation of thick yarn, there is the danger of snag, that is to say that suction must be stronger.Coarse yarn also has the sideline fiber that more is not tied at the outlet side of drafting system, therefore for fear of these sideline fibers, must aspirate with bigger power.The danger that is wrapped on the drafting system cylinder also can be offset by means of the pumping power of Yu Genggao, particularly under the situation of coarse yarn.
If pumping power has been lowered under the situation of coarse yarn, the sideline fiber that is not tied enters in the surrounding air with ever-increasing degree, thereby air handling system has to adjust to higher power so that these free-fibers can be output.
In order to optimize energy consumption at cotton mill, can seek a kind of not only in the adjustment of the suction of drafting system but also the scheme of the relative optimization in the room air suction, consequently, be used for the energy total amount consumed minimum that drafting system aspirated and be used for the room air system for the yarn qualities and the production capacity of expectation.
In compact spinning, can attempt to optimize the normal suction of drafting system and gather suction or predesignate power for specific yarn, low-power is used for spun yarn and high power is used for rove.
In order to improve the operational reliability under the situation of the frequent broken string that takes place, advantageously higher-wattage is adjusted in suction, make after broken string, less secondary fault to occur.
For the suction of drafting system with gather suction, therefore can be suitable for following mode: separate or respectively in the affected system, vacuum is as depending on yarn parameter, for example the relation of the fine hair situation of yarn strength, fibre length, material and expectation and individually adjusting under every kind of situation.
By means of in the control device of machine or primary control device, can write down basic setup, and for example therefore the control device of frequency converter can adapt with suction automatically about application-specific and fault.Control device has " memory ", and based on the experience formerly about same parts or like, advises optimum pressure to the operator when changing parts.About further details, herein can be referring to DE-A-102004040113 (OBJ 3014), therefore the content of the document is considered to the part of the disclosure of invention.
Other advantages of the present invention, feature and details can be learnt from accompanying drawing.
Description of drawings
Fig. 1 is the longitudinal cross-section schematic diagram that has the textile machinery of suction and filter;
Fig. 2 a is the longitudinal cross-section schematic diagram of filter of the filter of textile machinery;
Fig. 2 b is according to the filter of Fig. 2 a cross sectional representation along the A-A line;
Fig. 3 is the longitudinal cross-section schematic diagram of second embodiment of filter;
Fig. 4 is the longitudinal cross-section schematic diagram of the 3rd embodiment of filter.
The specific embodiment
In Fig. 1, suction and filter 14 are connected on textile machinery 1 particularly after the spinning machine, here only are schematically illustrated.In the figure, yarn 2 is transported to from flyer bobbin 3 and has on the pneumatic drafting system 4 that gathers unit 13, drafted on the drafting system 4, gather and then be transported to spinning position 5 particularly on the spindle.At drafting system 4 with gather and be provided with suction tube 6 between the unit 13, this suction tube leads to passage 7.At the suction that gathers 13 places, unit is to be produced by the suction tube 12 that leads to passage 7 equally.Be drawn out of and the flow direction of air to be filtered is represented with arrow 11.
At least one suction tube 6 and/or a suction tube 12 are set at each spinning position 5 or between each spinning position 5 and drafting system 4, and wherein, many pipes can lead to a common passage 7 or an a plurality of passage 7. Suction tube 6,12 is aligned to suction point 17, and these suction points are positioned at the outlet side of drafting system for example or gather the zone of unit 13.
Passage or a plurality of passage 7 are connected to filter, particularly are connected on its shell 8.Be provided with filter drum 9 in shell 8, blower fan 10 (as here dotting) axially is connected on this filter drum.This filter drum 9 is to be rotatably mounted around axis 15.The surf zone 16 of filter drum 9 is through perforation or is provided with filter cloth or analog.
Produce vacuum by blower fan 10 in filter drum 9 inside, thereby air is inhaled in the filter drum 9 by surf zone 16 radially.Therefore, in shell 8, particularly form vacuum in interface channel 7, the generation of this vacuum is to be used for aspirating willow catkins flying in the air particularly impurity, dust, fiber such as cotton fiber, artificial fibre and synthetic fiber by suction tube 6,12.The willow catkins flying in the air that mainly are dispersed in drafting system 4 belows are drawn out of by suction tube 6,12, and are transported in the filter by passage 7.These willow catkins flying in the air there as waste deposits on surf zone 16 because air flow into the inside of filter drum 9 by surf zone 16 from the outside diametrically (also can be referring to Fig. 2 a, 2b) to this.
In the main channel 7 in pre-filtering zone vacuum transducer 18 is installed, this sensor is continuously or with the vacuum in the certain hour interval measurement passage, and measured value is sent to control module 19 by lead 40a.Based on force value that records and predetermined setting, control module 19 produces control signal, and by lead 40b these signals is sent to filter cleaning drive unit 20 automatically or by manual operation.At this moment, change the filter cleaning speed according to control signal, up in the main channel, reaching the vacuum value suitable once more with setting.
Fig. 2 a and 2b show a kind of possible embodiment of the filter drum of filter, for example can be used for Fig. 1, show the filter drum 23 that is provided with rotationally around axis 36 in shell 21.Fiber, impurity or willow catkins flying in the air enter in the shell 21 from passage by suction 22 in the above described manner.Air is by means of radially being inhaled into from outside to inside by the outer surface region 25 of filter drum 23 in (radially) blower fan 44, thereby impurity still is adhered in the outer surface region 25 of filter drum 23 as refuse.Blower fan 44 is to drive by the electro-motor 24 that is arranged on to the location vertically in the filter drum.Radially turn 90 degrees partially and along radially flowing out blower fan (arrow 46) downwards towards the direction of blower fan 44 by filter drum leaked-in air 45.
In order to rotate filter drum, filter drum is equipped with annulus wheel 26, and this annulus wheel is provided with internal tooth.Hydraulic pressure, lifting gear 35 usefulness meshing parts and this engaging tooth pneumatic or motorized motions mesh.By applying lifter motion, gear ring and filter drum 23 turn over a certain amount of angular unit therewith, and in this case, the part surface zone is conducted through and removes device 27 and be cleaned.When applying reverse stroke, meshing part falls back on the position of a back tooth.By the lifter motion 34 that applies a new round, gear ring is moved a tooth pitch again.Under the complete rotating situation that turns over 360 degree, filter drum is cleaned fully, and cleaning process can be restarted again, because during this period, in continuous running, refuse accumulates on the surf zone once more.Engaging tooth is thin more, and rotatablely moving of can realizing is just accurate more.But this rotatablely moves is discontinuous in principle, unless two or more lifting gears are synchronized with each other or running asynchronously.In principle, other drive unit, for example the drive unit of electrical motor driven also is suitable for making filter drum to rotate.This can may obtain the adjustable continual filter drum of angular speed and rotate.
Fig. 3 shows second embodiment of filter 51.Be provided with import in the enclosure, contaminated air flow into filter 51 by the import in this shell under the effect of suction 56.But, being provided with flexible filter bag 52 here and replacing filter drum, it is by slewing rollers 53a, and 53b ceaselessly is directed.Filter bag 52 forms flat preceding filtering surface 64a, and its length is L1, and relative with this preceding filtering surface is is flat filter bag rear surface 64b equally, and this rear surface is parallel to preceding filtering surface 64a.These two surfaces are that 53b limits by the slewing rollers 53a that is arranged on the end face.In addition, filter bag 52 is furnished with the device of removing 54, and here, this removes device is device for stripping.Being connected on after the filter bag 52 is radial fan 58, and this radial fan is by means of driving in electro-motor 57, and its outstanding feature is that air is to be inhaled into and radially to discharge (arrow 59) vertically downwards.Part of appliance can be provided with like this, makes must and be filtered simultaneously by filter bag 52 by import leaked-in air 56.
Because the axis of fan rotor is not the air-flow 56 that is parallel to by filter bag 52, described air-flow is deflecting when filter bag 52 flows out.
Filter bag 52 can be provided with like this, makes air must not only flow through filter bag front surface 64a and filters out behind the refuse but also by the filter bag rear surface and flow back to.Same possible be, air-flow only flows through flat filter bag front surface 64a, flows out to blower fan 58 around flat filter bag rear surface 64b side direction afterwards from width is the space 66 of B1.What can expect equally is the combination of these two kinds of types of flow.
Filter 51 also comprises control device, and this control device comprises vacuum transducer 61 and control module 60, and this sensor 61 is arranged in the suction areas of filtration zone upstream.The force value that is recorded by vacuum transducer 61 is sent to control module 60 by lead 62.Based on force value that records and predetermined setting, control module 60 produces control signal, and by lead 63 these signals is sent to filter cleaning drive unit 53 automatically or by manual operation.At this moment, change the filter cleaning speed up in suction areas, reaching the vacuum value suitable once more according to control signal with setting.
For the purpose of filter rinsed, filter bag drives by at least one slewing rollers 53, is preferably driven with adjustable velocity of rotation by electro-motor.Filter bag with its filtering surface by removing device 54 and being cleaned.Filtering refuse 55 is retained in the gathering-device 55.
Fig. 4 shows the 3rd embodiment of filter 71.This filter has and according to the similar structure of the filter of Fig. 3, main difference is that the rotor axis of blower fan 78 here is to be parallel to the direction of air by filter bag 72.That is to say, the air 76 that flows through filter bag 72 no longer by obvious deflection up to entering rotor.The result is, flow resistance can reduce, and correspondingly, vacuum power increases and energy consumption reduces.Other aspects, filter 71 with work according to the similar mode of the filter of Fig. 3, can be about details with reference to description to Fig. 3.Filter 71 comprises import equally, and contaminated air is inhaled in the filter 71 under the effect of suction 76.Here, it is flexible filter bag 72 that filter also is configured to, and this filter bag is by slewing rollers 73a, and 73b ceaselessly is directed.Filter bag 72 forms flat preceding filtering surface 84a, and its length is L2, and flat back filtering surface 84b.These two surfaces limit the space 86 that width is B2.Remove device 74 for filter bag 72 is provided with, here, this removes device is device for stripping.Being connected on after the filter bag 72 is radial fan 78, and this radial fan is by means of driving in electro-motor 77, and its outstanding feature is that air is to be inhaled into and radially to discharge (arrow 79) vertically downwards.(not filtration) rear surface 84b of endless belt 72 also can be directed around blower fan, thereby blower fan 78 is set in the space 86.This conversion scheme can be applied to filter bag usually; That is to say, be applied to example embodiment according to Fig. 3.
Filter 71 comprises control device, and this control device comprises vacuum transducer 81 and control module 80, and this vacuum transducer 81 is set in the suction areas of filtration zone upstream.The force value that is recorded by vacuum transducer 81 is sent to control module 80 by lead 82.
According to Fig. 2 a, Fig. 2 b in the example embodiment of Fig. 3 and Fig. 4, also can be provided with the regulating loop that comprises corresponding component and replace control device.In principle, data wire can be wired or wireless.
Will be appreciated that, the concrete feature of each of example embodiment can be separated with other features and be implemented in the mode that combines with the further feature of here not describing, and needn't force to implement with the concrete feature that specifically only appears in the example embodiment as long as these specifically are characterized as its function of performance.
Claims (32)
1. have on the textile machinery of one or more stations (1), particularly on spinning machine, be used for aspirating and filter the equipment (14) that contains dust and/or fiber, comprising: suction channel (7); The filter (8) that has the filter that forms filtering surface (16,25); Be used for from what filtering surface (16,25) removed filter refuse (29) removing device (27); Be used to produce the vacuum source (10,44) of suction; And be used for by means of removing the drive unit (35) that device (27) carries out the filter cleaning process; Comprise that also at least one is used to measure the vacuum transducer (31) in the vacuum of the vacuum area in filter upstream and/or downstream, it is characterized in that, described equipment (14) comprises control or regulator (30), on the basis of the vacuum value that records by at least one vacuum transducer (31) and the setting scope of vacuum setting of being scheduled to or vacuum, be used for controlling or be adjusted at the vacuum of the vacuum area in filter upstream and/or downstream, wherein, this control or regulator (30) are effectively connected to the drive unit (35) that is used for filter rinsed, and the control of vacuum or adjustment are to be undertaken by the drive unit (35) that startup is used for filter rinsed.
2. equipment as claimed in claim 1 is characterized in that, described textile machinery (1) is spinning machine, bobbin winder, Speed frames or drawing frame.
3. equipment as claimed in claim 1 or 2, it is characterized in that, one or more, each station preferably, particularly spinning position (5) comprises one or more suction points, aspirate contaminated air by these suction points, and contaminated air is transported in the filter (14) by one or more preferably central suction channels (7).
4. as each described equipment in the claim 1 to 3, it is characterized in that described at least one vacuum transducer (31) is set in the suction channel of filter upstream.
5. as each described equipment in the claim 1 to 4, it is characterized in that described at least one vacuum transducer (31) is set in the main suction channel.
6. as each described equipment in the claim 1 to 5, it is characterized in that vacuum source (10) comprises blower fan, particularly axial or radial fan.
7. as each described equipment in the claim 1 to 6, it is characterized in that, described filter refuse (29) can be gone up by means of promoting or separator is raised or separates from filtering surface (25) removing device (27), and can be transported to collect or treating apparatus (28) in.
8. as each described equipment in the claim 1 to 7, it is characterized in that, described control device comprises evaluating apparatus, particularly signal adapter and control module (30), by means of them, the measured value that receives from least one vacuum transducer (31) compares with the form of vacuum values and vacuum setting and vacuum setting scope, and having produced the deviation that the control signal that acts on described drive unit (35) is proofreaied and correct actual value and setting thus, described drive unit (35) comprises actuator or actuated components.
9. as each described equipment in the claim 1 to 7, it is characterized in that, described regulator comprises evaluating apparatus, particularly signal adapter and adjustment unit (30), by means of them, the measured value that receives from least one vacuum transducer compares with the form of vacuum values and vacuum setting and vacuum setting scope, and generation acts on the deviation of the adjustment signal of described drive unit with correction actual value and desired value thus, and described drive unit comprises actuator or actuated components.
10. as each described equipment in the claim 1 to 9, it is characterized in that, described filter comprises filter drum (23), this filter drum have be preferably columniform, rigidity or flexible filtering surface (25), this filtering surface (25) is furnished with and is used for removing device (27) from filter drum (23) separator-filter refuse (29), the described drive unit (35) that is used to carry out the filter cleaning process comprises the driver that is used to make filter drum (23) preferably to rotate around filter drum axis (36), can carry out filter by means of rotating continuously or in order of filter drum cleans, thereby filtering surface (25) can be directed process and remove device (27), and filter refuse (29) can be removed.
11. equipment as claimed in claim 10 is characterized in that, described drive unit comprises motor, particularly electro-motor.
12. equipment as claimed in claim 10 is characterized in that, described drive unit (35) comprises hydraulic pressure or Pneumatic piston driver, linear motor or electronic cylinder, and it is effectively connected to the meshing gear between drive unit and the filter.
13. as each described equipment in the claim 1 to 9, it is characterized in that described filter (51) comprises the have filtering surface filter bag (52), the particularly filter bag that is ceaselessly guided by turning member of (64a), wherein, at least one turning member comprises driver.
14. as each described equipment in the claim 1 to 13, it is characterized in that, be provided with control device, by means of this control device, can adjust the pressure condition in passage or the circuit based on predetermined number of yarns and/or device parameter, described control device comprises the device that changes vacuum by filter cleaning process and/or power of fan.
15. be used on textile machinery, aspirating and filtering the equipment that contains dust and/or fiber, comprise: suction channel; The filter that has filtering surface; Be used for removing the device that removes of filter refuse from filtering surface; Be used to produce the vacuum source of suction; And be used for by means of removing the drive unit that device carries out the filter cleaning process, it is characterized in that, described filter comprises particularly annular filter band of flexible filter bag, this filter bag is that wherein at least one turning member comprises driver by particularly slewing rollers guiding and have filtering surface of turning member.
16. as claim 13,14 or 15 described equipment, it is characterized in that, the drive unit that rotatablely moves (53) that described filter (51) comprises the annular filter band (52) that forms space (66) and is used for filter bag is particularly by the drive unit of electrical motor driven, filter cleans and carries out by means of rotating continuously or in order of filter bag (52), thereby filtering surface (64a) is directed process and removes device (54), and filtration refuse (55) can be removed.
17. as claim 13, each described equipment in 14 or 15 to 16, it is characterized in that, described vacuum source comprises blower fan (78), this blower fan (78) is provided with like this, makes to be parallel to by the flow direction of blower fan inhaled air (87) or to be basically parallel to the flow direction of air by the filtering surface (84a) of filter bag (72) from preferably parallel with blower fan driving axis direction.
18., it is characterized in that described filter bag (52) forms flat filtering surface (64a) as each described equipment in claim 13 or 15 to 17.
19. have the weaving loom of the suction system that is used for spinning position, according to aforementioned each equipment claim, these spinning positions are furnished with suction tube and are furnished with at least one passage, it is characterized in that, one or more vacuum that produce in centre can be by one or more pumping components blower fan and change by filter cleaner particularly, wherein, when using the variable motor of one or more speed, but in order to change the motor that velocity of rotation is provided with frequency converter or the adjustable rotor of blade or is provided with pole-changing, described weaving loom is equipped with data processor and control corresponding device, based on the number of yarns that will spin, selected drawing-off value and preferably predetermined spindle rotating speed can be calculated continuously and be adjusted by means of the adjustment means that is connected on the control device in operating optimum vacuum of whole cop or optimum curve of vacuum.
20. spinning machine as claimed in claim 19, it is characterized in that, when the variable one or more motor of operating speed, below the drafting system of machine central authorities, be provided with several passage components, have only identical suction tube just to lead to each suction channel, different suction tubes is arranged on the diverse location of spinning position.
21. as claim 19 or 20 described spinning machines, it is characterized in that, in the passage of forming by several passage components, vacuum can produce or produce by a plurality of blower fans that are connected to passage component in centre, all passages all are laid on the middle position of machine, and particularly each passage spatially is spaced from each other by dividing plate each other.
22. as each described spinning machine in the claim 19 to 21, it is characterized in that, the range boundary value of pressure in the circuit of suction system or vacuum is stored in the control device as the parameter set that depends on the yarn that will make, thereby according to the number of yarns of presetting in control device by means of input block, the pressure condition in passage or circuit can be subjected to the influence of the adjustment of power of fan.
23. by means of equipment as claimed in claim 1 in the textile machinery particularly suction and the method for filtering the air that contains dust and/or fiber on the spinning machine, produce suction by vacuum source (44), contaminated air is transported on the filter (21) by one or more suction channels, in filter process, remove filter refuse on the filtering surface (25) that is deposited on filter by removing device (27), measure vacuum in the suction areas in filter upstream and/or downstream by means of at least one vacuum transducer (31), it is characterized in that, control or be adjusted at the vacuum in filter upstream and/or downstream by means of control or regulator (30), come measurement of vacuum by means of at least one vacuum transducer (31) that is arranged in prefilter and/or the post-filter zone, and itself and predetermined vacuum setting or vacuum setting scope compared, and when the vacuum that records and setting or setting scope have deviation, startup by its drive unit (35), quicken, keep or the filter cleaning process that slows down, thereby changed filter refuse (29) cover layer of filtering surface (25), and then changed the throughput that air passes filtering surface (25), changed vacuum thus, and made it reach setting in filter upstream and/or downstream.
24. method as claimed in claim 23, it is characterized in that, carrying out continuous filter in filter process cleans, wherein, by constantly guiding filtering surface (25) to make it through removing device (27) or guiding the filter cleaning part that removes device (27) to make it through filtering surface (25), thereby cleaned filtering surface (25), the correction of vacuum actual value and setting or setting coverage bias is to be carried out through the speed of passing through that removes device (27) or filtration cleaning part process filtering surface by changing filtering surface (25) by control or regulator (30).
25. method as claimed in claim 23, it is characterized in that, carrying out discontinuous filter in filter process cleans, wherein, for cleaning filter surface (25), guiding filtering surface (25) makes it in order through removing device (27), perhaps guide the filter cleaning part that removes device to make therebetween or ground process filtering surface, the correction of vacuum actual value and setting or setting coverage bias is to be undertaken by being switched on or switched off of actuator that is used for the filter cleaning by control or regulator.
26. as each described method in the claim 23 to 25, it is characterized in that, described filtering surface (25) is formed by drum strainer (23), cleans for continuous filter, and this drum strainer (23) is to rotate with the angular speed that is provided with by control or regulator (30).
27. as each described method in the claim 23 to 25, it is characterized in that, described filtering surface (25) is to be formed by drum strainer (23), cleans for in-order filter, makes this drum strainer (23) turn over certain angular unit by control or regulator (30).
28. as each described method in the claim 23 to 25, it is characterized in that, described filtering surface (64a) is by forming by the annular filter band (52) that turning member guided, clean for continuous filter, driving filter bag (52), remove filter refuse (55) on the device (54) removing simultaneously by the rotating speed that control or regulator (60) are provided with.
29. as each described method in the claim 23 to 25, it is characterized in that, described filtering surface (64a) is by forming by the annular filter band (52) that turning member guided, clean for in-order filter, drive filter bag (52) in order by control or regulator (60), simultaneously remove filter refuse (55) on the device (54) removing.
30. as each described method in the claim 23 to 29, described textile machinery is the spinning machine with the suction system that is used for a plurality of spinning positions, refuse from spinning position is discharged from by a plurality of suction tubes and at least one passage, vacuum is to produce in central authorities or by several blower fans that are connected to passage component, it is characterized in that, described spinning machine is to carry out work by means of data processor and control corresponding or regulator, based on the number of yarns that will spin, selected drawing-off value and preferably predetermined spindle rotating speed calculate continuously and are adjusted at operating optimum vacuum of whole cop or optimum curve of vacuum by adjustment means.
31. method as claimed in claim 30, it is characterized in that, one or more vacuum that produce in centre be by one or more pumping components particularly blower fan and clean by the filter that uses the variable motor of one or more rotating speeds to carry out change, its medium speed is to change by the pole-changing of frequency converter or motor or the geometry of adjusting rotor, thereby can adjust to the vacuum values of wanting according to applicable cases.
32. as each described method in the claim 23 to 31, it is characterized in that, described spinning machine carries out work by means of data processor and control corresponding or regulator, based on the number of yarns that will spin, selected drawing-off value and the spindle rotating speed of preferably being scheduled to, calculate and be adjusted at operating optimum vacuum of whole cop or optimum curve of vacuum continuously by adopting described adjustment means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006035729A DE102006035729A1 (en) | 2006-07-28 | 2006-07-28 | Device for the suction and filtration of dust- and/or fiber loaded air on spinning machines, comprises working places having suction channel, filtering device with filter, removal system, operating means and vacuum source and -sensor |
| DE102006035729.9 | 2006-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101113537A true CN101113537A (en) | 2008-01-30 |
Family
ID=38859492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101384386A Pending CN101113537A (en) | 2006-07-28 | 2007-07-27 | Device and method for pumping and filtering air containing dust and/or fibre on the spinning machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101113537A (en) |
| DE (1) | DE102006035729A1 (en) |
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|---|---|
| DE102006035729A1 (en) | 2008-01-31 |
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Application publication date: 20080130 |