EP3541535B1 - Sichter und mühle mit diesem sichter - Google Patents

Sichter und mühle mit diesem sichter Download PDF

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Publication number
EP3541535B1
EP3541535B1 EP17797296.5A EP17797296A EP3541535B1 EP 3541535 B1 EP3541535 B1 EP 3541535B1 EP 17797296 A EP17797296 A EP 17797296A EP 3541535 B1 EP3541535 B1 EP 3541535B1
Authority
EP
European Patent Office
Prior art keywords
guide vane
vane ring
separator
separator according
elements
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.)
Active
Application number
EP17797296.5A
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German (de)
English (en)
French (fr)
Other versions
EP3541535A1 (de
Inventor
Marc Giersemehl
Thomas Mingers
Joachim Galk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Neuman & Esser Process Technology GmbH
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Neuman & Esser Process Technology GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of EP3541535A1 publication Critical patent/EP3541535A1/de
Application granted granted Critical
Publication of EP3541535B1 publication Critical patent/EP3541535B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
    • B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/04—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier

Definitions

  • the present invention relates to a classifier according to the preamble of claim 1 and to a mill with such a classifier.
  • Air sifting is generally understood to mean the separation of solids according to certain criteria such as mass density or particle size.
  • Air sifting is a group of sifting processes in which a gas flow, the so-called sifting air, is used to achieve this separation.
  • the operating principle is based on the fact that fine or small particles are more strongly influenced and carried away by the gas flow than coarse or large particles.
  • Air classifiers are used, for example, to classify coal dust or other grist from a mill.
  • the aim here is, after the grinding process, to separate particles that have been ground sufficiently small and particles that have to be ground further. These two groups of particles are also referred to as fine and coarse material.
  • a sifter can also be used for the separation or classification of solids of other origins.
  • An essential differentiating criterion is the way in which the solids to be separated, the feed material and the sifting air are introduced into the sifter. In this way, solids and classifying air can either be introduced separately or together.
  • An air classifier according to the preamble of claim 1, in which solid matter and classifying air are introduced together, is from the US 2010/0236458 A1 known.
  • the disclosed wind sifter will used for the sifting of coal dust.
  • the gas-solid mixture of coal dust and sifting air is let into the sifter housing from below.
  • the inlet volume flow of the gas-solid mixture flows completely from the outside into the interior of a guide vane ring.
  • the guide vane ring has a plurality of deflection elements, between which the mixture flows.
  • the deflection elements are tilted by 50 to 70 ° relative to the horizontal and are fixed.
  • a sifter wheel is located inside the guide vane ring.
  • the classifier wheel is driven in rotation and has a plurality of lamellae which run essentially vertically. Due to the flow and despite the rotation of the classifier wheel, fine particles can pass between the lamellae of the classifier wheel and are then sucked upwards. Coarse particles hit the lamellas, are thrown back in this way and finally fall down due to gravity.
  • the guide vanes of the guide vane ring are arranged vertically, for example in FIG WO 2014/124899 A1 .
  • the guide vanes provided there can be straight or curved.
  • Similar air separators are also from the publications EP 1 239 966 B1 , EP 2 659 988 A1 , DE 44 23 815 C2 and EP 1 153 661 A1 known. In case of EP 2 659 988 A1 the slats are adjustable.
  • a mill with an integrated classifier is off US 2012/0138718 A1 known.
  • the deflection elements of the US 2010/0236458 A1 and the slats of the EP 1 153 661 A1 are more of an obstacle to the flow.
  • the mixture of feed material and sifter air flows almost vertically onto the deflection elements. In this way, a back pressure or a turbulence of the mixture can arise before it flows into the guide vane ring.
  • the object of the invention is therefore to improve the selectivity of classifiers in which the feed material and classifying air are introduced together.
  • the classifier according to the invention has a classifier housing.
  • a sifter wheel having an axis of rotation X and a guide vane ring are arranged in the sifter housing.
  • R perpendicular to the axis of rotation X between the guide vane ring and the classifier housing is an annular space and a viewing zone is provided between the guide vane ring and the classifier wheel.
  • the axis of rotation X preferably runs in the vertical direction.
  • the invention is characterized in that at least one deflection element is arranged at least between two adjacent vertical guide vanes, which deflection element has at least one downward curvature and / or bevel.
  • the downward curvature and / or fold is a Controlled diversion of the gas-solid mixture into the classifier's viewing zone is possible.
  • a fold is understood to mean an angled straight section of the deflecting element.
  • At least one deflecting element is preferably arranged between each two adjacent vertical guide vanes.
  • the deflection elements can either be identical or different. All deflecting elements are preferably identical within a sifter, which means that production costs can be reduced. Nevertheless, it can be advantageous to use differently designed deflection elements in a sifter in order to produce different effects at different points within the sifter.
  • deflecting element can also be used in other deflecting elements in one and the same embodiment of a classifier according to the invention and preferably in all deflecting elements of this embodiment.
  • Generic classifiers are generally arranged in an upright position. Therefore, hereinafter referred to as "vertical" directions are parallel to the direction of gravity designated. Correspondingly, directions perpendicular to the direction of gravity are referred to as horizontal.
  • At least one of the deflecting elements advantageously extends over the entire width between two adjacent guide vanes. In this way, areas within the guide vane ring in which an uncontrolled flow into the viewing zone could occur are avoided.
  • At least one of the deflection elements extends from the guide vane ring into the viewing zone and / or into the annular space.
  • an extension into the annular space is advantageous, since in this case the gas-solid mixture already meets the deflecting elements in the annular space and is deflected. This leads to a very controlled flow of the gas-solid mixture into the viewing zone.
  • At least one of the deflection elements has a changing radius of curvature in the radial direction R of the guide vane ring, at least in a partial section. At least one of the deflection elements preferably has a changing radius of curvature in the radial direction R over the entire length.
  • At least one of the deflection elements has a radially inner end with a first end section and / or a radially outer end with a second end section.
  • the terms radially inside and radially outside refer to the guide vane ring.
  • the guide vane ring preferably has a cylindrical basic shape.
  • the end sections can be configured in different ways, which will be explained in more detail below.
  • An end section preferably comprises less than 40%, in particular less than 20% of the total length of a deflecting element.
  • At least one of the end sections is straight.
  • a section is straight if it has no curvature.
  • This embodiment is particularly advantageous in the case of the first end section of the radially inner end.
  • the gas-solid mixture should flow in the direction of the classifier wheel and thereby as homogeneously as possible.
  • the straight design of the first end section favors a homogeneous flow.
  • Straight end sections are preferably bevelled, i. H. angled and thus form folds.
  • At least one of the end sections is preferably arranged horizontally. It is particularly preferably the first end section of the radially inner end. This also serves to generate a homogeneous flow in the direction of the classifier wheel.
  • At least one of the second end sections or its tangential extension extends at an angle ⁇ to a horizontal H, where: ⁇ 20 °.
  • the second end sections are each arranged at an outer end of the deflecting elements. When used as intended, the gas-solid mixture reaches the deflection elements from below. It is therefore particularly advantageous if the second end sections are oriented downward at an angle ⁇ greater than or equal to 20 °. Particularly preferably, ⁇ 60 ° also applies.
  • a straight extension of an arcuate section that is tangential to the curvature at an end point is referred to as a tangential extension of the section is.
  • the arcuate section is preferably viewed in cross section to determine the tangential extension.
  • the degree of deflection of the gas-solid mixture has an influence on the selectivity. If the deflection is too strong, turbulence or backwater can occur. Too little redirection remains ineffective.
  • the first end section of at least one of the deflecting elements or its tangential extension and the second end section of the same deflecting element or its tangential extension run at an angle ⁇ to one another, where: ⁇ ⁇ 90 °.
  • ⁇ 120 ° applies.
  • ⁇ 160 ° particularly preferably applies.
  • the first end section can be advantageous to arrange the first end section at an angle greater than 0 ° to a horizontal H.
  • at least one of the first end sections or its tangential extension extends at an angle ⁇ to a horizontal H, where: ⁇ ⁇ 10 °.
  • the gas-solid mixture can in this way be deflected downwards by the deflecting element and thus in the direction in which the coarse material is ultimately supposed to arrive.
  • the angle ⁇ must not be chosen too large.
  • the angles are preferably below one and the same horizontal H.
  • At least one vertical flap element extending into the viewing zone is preferably arranged on the inner circumference of the guide vane ring.
  • the vertical flap element or elements have the advantage that the flow of the gas-solid mixture emerging from the guide vane ring into the viewing zone can be adjusted even more specifically.
  • the advantage of the flap elements is that the flow can also be given a twist, preferably in the direction of rotation of the classifier wheel.
  • the flap element is preferably arranged to be pivotable about a vertical axis.
  • the flap element is preferably arranged on the inner end face of the vertical guide vane.
  • the length of the flap element is preferably equal to the length of the vertical guide vane. According to a particular embodiment, the flap element is designed to be rectangular.
  • the flap element preferably has at least one horizontal slot. This embodiment is used when the deflection elements extend into the viewing zone.
  • the number of horizontal slots is preferably based on the number of deflection elements.
  • the width of the slots is adapted to the configuration, ie to the curvature and / or bevel of the first end sections of the deflecting elements.
  • At least one flap element preferably has a curvature and / or a bevel.
  • the curvature or fold of the flap element preferably points in the direction of the inner circumference of the guide vane ring.
  • the annular space advantageously tapers towards the top.
  • the volume flow is gradually reduced, so that it is advantageous to steadily reduce the volume of the annular space towards the top. This is achieved through the rejuvenation.
  • the guide vane ring has at least one swirl breaker.
  • Swirl breakers prevent a flow in the circumferential direction of the guide vane ring and in this way homogenize the flow of the gas-solid mixture.
  • the object is also achieved with a mill which is combined with a classifier according to the invention.
  • the mill can, for example, be a pendulum mill or be a roller mill.
  • the classifier is preferably integrated into the mill, preferably a pendulum mill or a roller mill.
  • a sifter 10 is shown schematically.
  • the separator 10 has a separator housing 20 in which an inlet 21 for a volume flow Q of a gas-solid mixture 100 is provided in a lower region.
  • a sifter wheel 30 and a guide vane ring 50 are arranged in the sifter housing 20.
  • the classifier wheel 30 and the guide vane ring 50 have a common main axis, which is the axis of rotation X of the classifier wheel 30.
  • the axis of rotation X runs in the direction of the gravitational force F.
  • a radial direction R extends perpendicular to the axis of rotation X.
  • An annular space 26 is provided in the radial direction R between the guide vane ring 50 and the separator housing 20.
  • the space between the classifier wheel 30 and the guide vane ring 50 forms the viewing zone 32.
  • the guide vane ring 50 is equipped with deflection elements 53 which have a downward curvature. The deflection elements 53 are in particular in connection with the Figures 12 to 18 described in more detail.
  • the classifier wheel 30 is driven in rotation by a drive device 40, so that the classifier wheel 30 rotates about the axis of rotation X.
  • a first outlet 22 is arranged above the classifier wheel 30.
  • the first outlet 22 is connected to a suction device (not shown) which generates a negative pressure.
  • a suction device not shown
  • a first type of particle 101, the fine material is sucked off through the first outlet 22.
  • a second type of particle 102, the coarse material is discharged through the second outlet 23.
  • the classifier wheel 30 rejects large particles 102. These large particles reach the funnel 25 and from there to the second outlet 23.
  • the separator housing 20 is closed at the upper end by a housing cover 24.
  • a mill 110 is shown, which is designed as a pendulum mill. Inside the housing 112, which is closed at the top with a mill cover 114 and at the bottom by means of a mill bottom 116, there is a grinding device 118 which has several grinding pendulums 120.
  • the classifier 10 is integrated into the mill housing above the grinding device 18.
  • the annular space 26 is located between the mill housing 112 and the guide vane ring 50.
  • the classifier wheel 30 is arranged within the guide vane ring 50.
  • a viewing zone 32 is located between the separator wheel 30 and the guide vane ring 50.
  • the cylindrical separator housing 20 can also be designed to be conical. With such a conical sifter housing 20 '(shown in dashed lines) an upwardly tapering annular space 26 is formed.
  • the first outlet 22 is connected to the interior of the classifier wheel 30.
  • the guide vane ring 50 has a plurality of vertical guide vanes 54. Five deflection elements 53 are arranged between adjacent vertical guide vanes 54, each of which has a downward curvature.
  • the volume flow Q of the gas-solid mixture 100 flows from below into the annular space 26 and from there through the guide vane ring 50 into the sifting zone 32. Fine particles 101 enter the interior of the sifter wheel 30 and are sucked off through the first outlet 22. Coarse particles 102 fall down out of the viewing zone 32.
  • the deflection elements 53 impart flow components to the gas-solid mixture flowing through the guide vane ring 50 towards the classifier wheel, which is indicated by the arrows shown.
  • the Figure 4 shows the guide vane ring 50 from Figure 3 in perspective view.
  • the Figure 5 shows the top view of the in Figure 4 guide vane ring 50 shown.
  • the guide vane ring 50 has a plurality of vertical guide vanes 54, with five deflecting elements between each two adjacent guide vanes 54 53 are arranged. Each deflection element 53 extends over the entire width between two vertical guide vanes 54. The deflection elements 53 are arranged equidistantly in the vertical direction.
  • the guide vane ring 50 has a plurality of swirl breakers 52 on its outer circumferential surface.
  • the twist breakers 52 protrude into the annular space 26 (see Figure 1 ) and oppose a flow in the circumferential direction.
  • the twist breakers 52 have a rectangular basic shape and are made of sheet metal.
  • the swirl breakers 52 project in the radial direction R away from the guide vane ring 50 and extend over the entire height of the guide vane ring.
  • the deflection elements 53 have a downward curvature.
  • Each deflecting element 53 has a radially inner end 55 and a radially outer end 56. In the embodiment shown, the radially inner ends 55 do not protrude into the viewing zone 32.
  • a first end section 57 is arranged at the radially inner end 55 of each deflecting element 53 and a second end section 58 is arranged at the radially outer end 56 of each deflecting element 53. Both end sections 57, 58 are curved.
  • the Figure 7 shows a further embodiment of the guide vane ring 50 in a perspective illustration.
  • the Figure 8 shows the top view of the in Figure 7 guide vane ring 50 shown.
  • flap elements 60 are additionally arranged, which can be pivoted about a vertical axis 62.
  • these flap elements 60 are arranged, which are pivoted in the direction of rotation D and form an angle ⁇ with a radial direction R.
  • the angle ⁇ is 30 °.
  • the angle ⁇ is preferably in the range between 0 ° and 60 °.
  • the Figure 9 shows a further embodiment of the guide vane ring 50 in a perspective illustration.
  • the Figure 10 shows the top view of the in Figure 9 guide vane ring 50 shown.
  • the flap elements 60 have a curvature in the direction of the inner circumference of the guide vane ring 50.
  • the direction of rotation D of the classifier wheel not shown, is shown.
  • the free ends of the flap elements point in the direction of rotation D.
  • the Figure 11 shows a further embodiment of the guide vane ring 50 in a perspective illustration.
  • the Figure 12 shows the top view of the in Figure 11 guide vane ring 50 shown.
  • the flap elements 60 have a curvature in the direction of the inner circumference of the guide vane ring 50.
  • the direction of rotation D of the classifier wheel not shown, is shown.
  • the free ends of the flap elements also point in the direction of rotation D, the classifier wheel in contrast to the Figures 9 and 10 rotates counterclockwise.
  • FIG. 13 a further embodiment of the guide vane ring 50 is shown in perspective.
  • the Figure 14 shows the top view of the in Figure 13 guide vane ring 50 shown.
  • the deflecting elements 53 protrude with their radially inner end 55 into the viewing zone 32 (see FIG Figure 3 ) into it.
  • they are provided with horizontal slots 64. Since five deflection elements 53 are arranged between each two vertical guide vanes 54, each flap element 60 has four slots 64.
  • the Figure 15 shows an enlarged section of the guide vane ring 50 of FIG Figures 13 and 14th .
  • the deflecting elements 53 each have a radially inner end 55 and a radially outer end 56.
  • the radially inner end 55 has a first end section 57 and the radially outer end 56 has a second end section 58.
  • the deflection elements 53 have a downward curvature (see Figures 16 to 20 ) or a downward edging (see Figures 21 and 22nd ) on.
  • the deflecting elements 53 are arranged relative to an axis of rotation X of the classifier wheel (not shown here), the distance between the deflecting element 53 and the axis of rotation X being shown reduced for reasons of illustration.
  • the illustrated embodiments differ in particular in the design of the end sections 57, 58.
  • the end sections 57, 58 can both be curved (see FIG Figures 16 to 18 ) or both straight (see Figures 20 to 22 ), also being straight and / or curved End sections can be connected to one another via a curved central section.
  • the Figures 21 and 22nd show deflection elements 53 with bevels.
  • each deflecting element 53 or its tangential extension is arranged at an angle ⁇ to a horizontal H.
  • the angle ⁇ is between 0 ° (see Figure 16 ) and approx. 28 ° (see e.g. Figure 20 ).
  • the horizontal H which corresponds to the radial direction R, forms a right angle with the axis of rotation X.
  • each deflecting element 53 or its tangential extension is arranged at an angle ⁇ to the horizontal H.
  • the angle ⁇ is between approx. 35 ° (see e.g. Figure 17 ) and approx. 65 ° (see Figure 16 ).
  • the first end section 57 and the second end section 58 of a deflecting element 53 or their tangential extensions form an angle ⁇ .
  • the angle ⁇ is between approx. 108 ° (see Figure 20 ) and approx. 153 ° (see Figure 18 ).
  • angles ⁇ , ⁇ and ⁇ result in a total of 180 °. With the exception of the angle ⁇ in Figure 18 all angles ⁇ , ⁇ , ⁇ are oriented downwards.
  • the Figure 23 shows the particle size distribution of the fines from two viewings S1 and S2.
  • the measurements were preferably carried out by means of sedimentation analysis.
  • the feed material was identical in terms of particle size distribution in the two classifications S1 and S2.
  • the first sifting S1 was carried out with a conventional sifter. In the first sifting S1, 97% of the particles have a particle size x ⁇ 28 ⁇ m. A little over 50% of the particles were smaller than 10 ⁇ m and a little under 25% were ⁇ 5 ⁇ m.
  • a sifter according to the invention was used in the second sifting S2. This differs from the sifter of the first sifting S1 in particular in that there are four deflecting elements with downward curvatures according to FIG Figures 4 to 6 exhibited.
  • the second classification S2 shows that the invention achieves an improvement in the particle size distribution.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Cyclones (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)
EP17797296.5A 2016-11-15 2017-11-02 Sichter und mühle mit diesem sichter Active EP3541535B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016121927.4A DE102016121927B3 (de) 2016-11-15 2016-11-15 Sichter und Mühle mit einem Sichter
PCT/EP2017/078058 WO2018091275A1 (de) 2016-11-15 2017-11-02 Sichter und mühle mit einem sichter

Publications (2)

Publication Number Publication Date
EP3541535A1 EP3541535A1 (de) 2019-09-25
EP3541535B1 true EP3541535B1 (de) 2021-03-10

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ID=60302100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17797296.5A Active EP3541535B1 (de) 2016-11-15 2017-11-02 Sichter und mühle mit diesem sichter

Country Status (9)

Country Link
US (1) US11541424B2 (ko)
EP (1) EP3541535B1 (ko)
JP (2) JP2019535513A (ko)
KR (1) KR102613097B1 (ko)
CN (1) CN109952160B (ko)
BR (1) BR112019009865B1 (ko)
DE (1) DE102016121927B3 (ko)
ES (1) ES2862330T3 (ko)
WO (1) WO2018091275A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016121925A1 (de) * 2016-11-15 2018-05-17 Neuman & Esser Gmbh Mahl- Und Sichtsysteme Sichter, Mühle und Verfahren zum Sichten eines Gas-Feststoff-Gemischs
US10744534B2 (en) * 2016-12-02 2020-08-18 General Electric Technology Gmbh Classifier and method for separating particles
DE102019123034B3 (de) * 2019-08-28 2020-12-03 Khd Humboldt Wedag Gmbh Zyklon mit rotierendem Stabkorb
CN113385415B (zh) * 2021-05-12 2022-04-08 泉州容大机械有限公司 一种气浮式垃圾风选机
WO2023131393A1 (de) * 2022-01-04 2023-07-13 Loesche Gmbh Sichteranordnung für eine vertikalwälzmühle

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE805840C (de) * 1948-10-02 1951-05-31 Steine Und Erden G M B H Der R Umluftsichter
DE1296958B (de) * 1965-03-03 1969-06-04 Polysius Gmbh Windsichter
GB2176134A (en) 1985-06-03 1986-12-17 Smidth & Co As F L Separator for sorting particulate material
JPH03275181A (ja) * 1990-03-27 1991-12-05 Nippon Steel Chem Co Ltd セパレータ
DE4423815C2 (de) * 1994-07-06 1996-09-26 Loesche Gmbh Mühlensichter
US5238196A (en) * 1992-09-10 1993-08-24 Chang Jin Hong Upright lever pressure type mill
US5425923A (en) * 1992-10-27 1995-06-20 Cmi Corporation Thermal soil remediation system
DE19961837A1 (de) 1999-12-21 2001-06-28 Loesche Gmbh Mühlensichter
DE10022536A1 (de) * 2000-05-09 2001-11-29 Loesche Gmbh Mühlensichter
GB2412888B (en) * 2004-04-08 2006-02-22 Jin-Hong Chang Grinding mill
JP4550486B2 (ja) * 2004-05-13 2010-09-22 バブコック日立株式会社 分級機およびそれを備えた竪型粉砕機、ならびにその竪型粉砕機を備えた石炭焚ボイラ装置
TWI483787B (zh) 2007-09-27 2015-05-11 Mitsubishi Hitachi Power Sys A grading device and an upright pulverizing device having the classifying device and a coal fired boiler device
JP2011104563A (ja) * 2009-11-20 2011-06-02 Mitsubishi Heavy Ind Ltd 竪型ローラミル
US8813967B2 (en) * 2012-05-02 2014-08-26 Alstom Technology Ltd Adjustable mill classifier
DE102013101517A1 (de) * 2013-02-15 2014-08-21 Thyssenkrupp Resource Technologies Gmbh Sichter und Verfahren zum Betreiben eines Sichters
CN105414034A (zh) * 2015-12-16 2016-03-23 江苏吉能达环境能源科技有限公司 高分散型涡流选粉机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
JP2022153642A (ja) 2022-10-12
JP2019535513A (ja) 2019-12-12
WO2018091275A1 (de) 2018-05-24
ES2862330T3 (es) 2021-10-07
US20190291138A1 (en) 2019-09-26
CN109952160B (zh) 2023-05-23
EP3541535A1 (de) 2019-09-25
DE102016121927B3 (de) 2018-01-18
KR20190077387A (ko) 2019-07-03
CN109952160A (zh) 2019-06-28
US11541424B2 (en) 2023-01-03
BR112019009865B1 (pt) 2022-10-04
BR112019009865A2 (pt) 2019-08-06
JP7416874B2 (ja) 2024-01-17
KR102613097B1 (ko) 2023-12-12

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