US3438588A - Advancing a filter mat in a roll filter - Google Patents

Advancing a filter mat in a roll filter Download PDF

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Publication number
US3438588A
US3438588A US612444A US3438588DA US3438588A US 3438588 A US3438588 A US 3438588A US 612444 A US612444 A US 612444A US 3438588D A US3438588D A US 3438588DA US 3438588 A US3438588 A US 3438588A
Authority
US
United States
Prior art keywords
roll
mat
filter
take
guide rolls
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.)
Expired - Lifetime
Application number
US612444A
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English (en)
Inventor
Gosta Steinholtz
Bo Aronsson
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.)
Svenska Flaktfabriken AB
Original Assignee
Svenska Flaktfabriken AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Svenska Flaktfabriken AB filed Critical Svenska Flaktfabriken AB
Application granted granted Critical
Publication of US3438588A publication Critical patent/US3438588A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S242/00—Winding, tensioning, or guiding
    • Y10S242/917—Accommodating special material or article, e.g. antenna
    • Y10S242/918—Web material, e.g. thermal insulation

Definitions

  • the m-at is guided in a zigzag path intermediate the supply and take-up rolls by two rows of guide rolls one of which rows is freely rotatable and the other of which rows is driven so that the rolls have a constant peripheral speed at least as great as the maximum peripheral speed of the take-up roll.
  • these rolls create a slack in the mat between the guide rolls and the take-up rolls.
  • the frictional engagement on the driven guide rolls is relieved and the driven guide rolls no longer drive the mat.
  • the continuously driven take-up roll takes up the slack to thereby reinstate the frictional engagement of the mat on the driven guide rolls so that the mat is alternately slackened and ten sioned as it is advanced through the filter.
  • the present invention relates to advancing a filter mat in a roll filter whereby the mat is advanced from a supply roll at one side of the filter in a zigzag path through the filter around a number of guide rolls of the same size and operated at the same angular and peripheral speed and is thereafter wound up on a take-up roll at the other side of the filter from the supply roll.
  • both the guide rolls and the winding or take-up roll are normally driven at constant peripheral speeds which are uniform throughout so that the mat is advanced by all of the rolls at the same speed as it is wound up on the take-up roll. Since the diameter of the mat on the take-up roll increases, the winding roll must thereby be operated by a slip clutch to provide a constant peripheral speed.
  • a primary object of the present invention is to provide a reliable advancing of the filter mat under all running conditions.
  • Another object is to avoid the application of tension to the filter mat which will stress the guide rolls.
  • the present invention contemplates advancing the filter mat by the use of a take-up roll which rotates at a constant angular speed and thereby increases the peripheral speed toward a maximum as the diameter of the take-up roll increases, and driving guide rolls at a constant angular speed which produces a constant peripheral speed at least as great as the said maximum peripheral speed.
  • the figure of the drawing illustrates an embodiment of a roll filter according to the invention is schematic section.
  • the filter mat -1 is wound up on a supply roll 2, from which it is advanced in a zigzag path by means of a number of guide rolls 3 and 4.
  • the guide rolls 3 are running free, whereas the guide rolls 4 are driven by a motor 8 by way of an intermediate shaft 7 and two connecting rods 5 and cranks, one at each end of the guide rolls 4.
  • the cranks for the connecting rods at the periphery of the guide rolls are displaced in relation to each other in order to eliminate the dead points.
  • the cranks form a center angle of As the mat 1 is used, it is rolled up on a take-up roll 6 which is driven by the motor 8.
  • the take-up roll 6 is working with a constant angular speed, which means that the peripheral speed and consequently the rolling-up of the mat increases as the diameter of the roll 6 increases.
  • the peripheral speed is thus at its maximum. Since the guide rolls 4 are driven by the connecting rods 5 at a constant angular speed, and since the diameters of the rolls 4 are uniform, the peripheral speeds of the rolls 4 will also be uniform.
  • the driving connections to the guide rolls 4 are such that the peripheral speed of the rolls 4 are at least as great as the maximum peripheral speed of the take-up roll 6.
  • the filter mat 1 is discharged to the take-up roll 6 over a free-running end roll 9 which is freely rotatable on the intermediate shaft 7.
  • the intermediate shaft is provided with three fixedlyqmounted chain wheels or sprockets by which the motor 8 drives the take-up roll 6 and the guide rolls 4.
  • the filter mat 1 is advanced through the filter after being threaded as shown in the figure.
  • the tension in the filter mat is sufiicient to effect frictional engagement of the mat with the driven guide rolls 4, these rolls drive the mat and advance it a small increment. Since the guide rolls are driven faster than the takeup roll '6, a slack is created in the mat starting adjacent the take-up roll 6. The slack in the mat relieves the tension which causes the frictional engagement of the mat on the guide rolls, and the frictional engagement is lost so as to interrupt the drive of the mat by the guide roll 4.
  • the continuously rotating take-up roll 6 continues to operate and soon takes up the slack in the mat and reestablishes the tension which presses the mat into frictional engagement with the guide rolls 4. At this point, the whole procedure is repeated.
  • the intervals during which the guide rolls 4 are advancing the mat are short and follow rapidly after each other, so that the advancing procedure, in spite of the intermittent nature thereof, has the character of a continuous advancing.
  • a roll filter having a filter mat, a supply roll at one side of said filter, a take-up roll at the other side of said filter, guide rolls intermediate said supply roll and said take-up roll to direct said mat in a zigzag path therebetween, said guide rolls being arranged in two spaced rows in staggered relation, said supply roll and the guide rolls in one of said rows being freely rotatable, and drive means for the guide rolls in the other of said rows to drive the same uniformly at a constant angular and peripheral speed, the improvement including constant speed drive means for said take-up roll to rotate the same with a constant angular speed providing a peripheral speed which increases to a maximum as the filter mat is wound up thereon, the peripheral speed of the guide rolls in said other row being at least as great as the said maximum peripheral speed of the take-up rolls whereby said guide rolls do not advance said mat when said mat is slack, but do advance the mat when said slack is taken-up.
  • a method for advancing a filter mat in a roll filter having a supply roll and a take-up roll, and a series of guide rolls arranged in staggered relation to guide said mat in a zigzag path between said supply roll and said take-up roll, comprising the steps of driving the take-up roll with a constant angular speed to take up the mat at a peripheral speed which increases in accordance with the diameter of the mat on the take-up roll to a maximum peripheral speed, and driving alternate guide rolls constantly with a uniform peripheral speed at least as great as said maximum peripheral speed, so that said mat is alternately tensioned by said take-up roll and slackened by the driven guide rolls.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Treatment Of Fiber Materials (AREA)
US612444A 1966-02-08 1967-01-30 Advancing a filter mat in a roll filter Expired - Lifetime US3438588A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1567/66A SE302235B (da) 1966-02-08 1966-02-08

Publications (1)

Publication Number Publication Date
US3438588A true US3438588A (en) 1969-04-15

Family

ID=20258426

Family Applications (1)

Application Number Title Priority Date Filing Date
US612444A Expired - Lifetime US3438588A (en) 1966-02-08 1967-01-30 Advancing a filter mat in a roll filter

Country Status (10)

Country Link
US (1) US3438588A (da)
AT (1) AT268316B (da)
BE (1) BE693410A (da)
CH (1) CH453863A (da)
DK (1) DK116562B (da)
ES (1) ES336380A1 (da)
FI (1) FI43869B (da)
GB (1) GB1103055A (da)
NL (1) NL6701691A (da)
SE (1) SE302235B (da)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378980A (en) * 1981-11-09 1983-04-05 James M. Hammond Gas borne particle filtering apparatus
US20060091064A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Filter apparatus with separable seal support frame
US20060091061A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Filter assembly with sealing system
WO2006052329A1 (en) * 2004-11-03 2006-05-18 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US20070186528A1 (en) * 2006-02-15 2007-08-16 Baldwin Filters, Inc. Fluted filter apparatus
US20080135471A1 (en) * 2006-12-06 2008-06-12 Baldwin Filters, Inc. Method and apparatus for winding a filter element
US20090114590A1 (en) * 2007-11-01 2009-05-07 Baldwin Filters, Inc. Winding Core Pressure Relief for Fluted Filter
US20090320424A1 (en) * 2008-06-30 2009-12-31 Baldwin Filters, Inc. Filter Frame Attachment and Fluted Filter Having Same
US7753982B2 (en) 2006-02-17 2010-07-13 Baldwin Filters, Inc. Filter with drained jacket, seal indicator/lock means, and seal baffle
US7909954B2 (en) 2004-11-03 2011-03-22 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US7931725B2 (en) 2004-11-02 2011-04-26 Baldwin Filters, Inc. Fluted filter apparatus
US7959703B2 (en) 2008-06-30 2011-06-14 Baldwin Filters, Inc. Fluted filter with integrated frame
US20110197556A1 (en) * 2004-11-02 2011-08-18 Baldwin Filters, Inc. Filter element
US8206625B2 (en) 2004-11-02 2012-06-26 Baldwin Filters, Inc. Filter element
DK201400676A1 (en) * 2014-11-20 2016-06-06 Jsj Consult Aps Air-filter system for ventilation systems
WO2017059590A1 (zh) * 2015-10-10 2017-04-13 创天昱科技(深圳)有限公司 空气过滤器
US9970394B2 (en) 2012-07-25 2018-05-15 Baldwin Filters, Inc. Filter housing, fluted filter and safety filter
US10040020B2 (en) 2006-12-06 2018-08-07 Baldwin Filters, Inc. Fluid filter apparatus having filter media wound about a winding frame
US10682597B2 (en) 2016-04-14 2020-06-16 Baldwin Filters, Inc. Filter system
CN112473277A (zh) * 2020-12-23 2021-03-12 东莞市国峰净化设备有限公司 废气净化装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4209054A1 (de) * 1991-05-04 1992-11-05 Schloemann Siemag Ag Bandfilter zum ausbringen von fremdstoffpartikeln aus fluessigkeitsbaedern
AT396554B (de) * 1992-03-23 1993-10-25 Valentin Stossier Ohg Vorrichtung zum auspressen von flüssigkeit
CN106955536B (zh) * 2017-04-07 2022-11-11 上海兰舍空气技术有限公司 自动滤网更换装置及pm2.5过滤网箱体
CN111701326B (zh) * 2020-06-01 2021-12-31 天津市市政工程设计研究院 一种用于污水处理的泥水分离装置
CN117105321B (zh) * 2023-10-11 2024-04-16 闫超 一种污水中杂质分离处理设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2016991A (en) * 1931-05-16 1935-10-08 Staynew Filter Corp Air filter
US2474717A (en) * 1947-06-21 1949-06-28 Rodney Hunt Machine Co Process and apparatus for tensionless handling of running lengths of materials
US2514691A (en) * 1945-11-22 1950-07-11 Sarl La Maille Souple Method and device for the winding of elastic threads
FR1370002A (fr) * 1963-04-24 1964-08-21 Svenska Flaektfabriken Ab Filtre comportant un dispositif pour éliminer les poussières et les impuretés des fluides gazeux
US3242653A (en) * 1963-03-21 1966-03-29 American Air Filter Co Automatic filter apparatus
US3281087A (en) * 1964-03-27 1966-10-25 Dixie Yarns Winding of yarns of high elasticity

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2016991A (en) * 1931-05-16 1935-10-08 Staynew Filter Corp Air filter
US2514691A (en) * 1945-11-22 1950-07-11 Sarl La Maille Souple Method and device for the winding of elastic threads
US2474717A (en) * 1947-06-21 1949-06-28 Rodney Hunt Machine Co Process and apparatus for tensionless handling of running lengths of materials
US3242653A (en) * 1963-03-21 1966-03-29 American Air Filter Co Automatic filter apparatus
FR1370002A (fr) * 1963-04-24 1964-08-21 Svenska Flaektfabriken Ab Filtre comportant un dispositif pour éliminer les poussières et les impuretés des fluides gazeux
US3281087A (en) * 1964-03-27 1966-10-25 Dixie Yarns Winding of yarns of high elasticity

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378980A (en) * 1981-11-09 1983-04-05 James M. Hammond Gas borne particle filtering apparatus
US20110197556A1 (en) * 2004-11-02 2011-08-18 Baldwin Filters, Inc. Filter element
US20060091061A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Filter assembly with sealing system
US8551375B2 (en) 2004-11-02 2013-10-08 Baldwin Filters, Inc. Filter element
US8540790B2 (en) 2004-11-02 2013-09-24 Baldwin Filters, Inc. Filter element
US8277531B2 (en) 2004-11-02 2012-10-02 Baldwin Filters, Inc. Filter element
US8206625B2 (en) 2004-11-02 2012-06-26 Baldwin Filters, Inc. Filter element
US9890750B2 (en) 2004-11-02 2018-02-13 Baldwin Filters, Inc. Filter element
US9932943B2 (en) 2004-11-02 2018-04-03 Baldwin Filters, Inc. Filter element
US7931725B2 (en) 2004-11-02 2011-04-26 Baldwin Filters, Inc. Fluted filter apparatus
US20100000934A1 (en) * 2004-11-02 2010-01-07 Baldwin Filters, Inc. Filter assembly with sealing system
US20060091064A1 (en) * 2004-11-02 2006-05-04 Baldwin Filters, Inc. Filter apparatus with separable seal support frame
WO2006052329A1 (en) * 2004-11-03 2006-05-18 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US7255300B2 (en) 2004-11-03 2007-08-14 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US20060151655A1 (en) * 2004-11-03 2006-07-13 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US7909954B2 (en) 2004-11-03 2011-03-22 Baldwin Filters, Inc. Method and apparatus for winding a filter media pack
US20070186528A1 (en) * 2006-02-15 2007-08-16 Baldwin Filters, Inc. Fluted filter apparatus
US7753982B2 (en) 2006-02-17 2010-07-13 Baldwin Filters, Inc. Filter with drained jacket, seal indicator/lock means, and seal baffle
US10065146B2 (en) 2006-12-06 2018-09-04 Baldwin Filters, Inc. Method and apparatus for winding a filter element
US10040020B2 (en) 2006-12-06 2018-08-07 Baldwin Filters, Inc. Fluid filter apparatus having filter media wound about a winding frame
US9757676B2 (en) 2006-12-06 2017-09-12 Baldwin Filters, Inc. Method and apparatus for winding a filter element
US10213724B2 (en) 2006-12-06 2019-02-26 Baldwin Filters, Inc. Fluid filter apparatus having filter media wound about a winding frame
US20080135471A1 (en) * 2006-12-06 2008-06-12 Baldwin Filters, Inc. Method and apparatus for winding a filter element
US9545593B2 (en) 2007-11-01 2017-01-17 Baldwin Filters, Inc. Winding core pressure relief for fluted filter
US20090114590A1 (en) * 2007-11-01 2009-05-07 Baldwin Filters, Inc. Winding Core Pressure Relief for Fluted Filter
US8177877B2 (en) 2008-06-30 2012-05-15 Baldwin Filters, Inc. Filter frame attachment and fluted filter having same
US8048187B2 (en) 2008-06-30 2011-11-01 Baldwin Filters, Inc. Filter frame attachment and fluted filter having same
US7959703B2 (en) 2008-06-30 2011-06-14 Baldwin Filters, Inc. Fluted filter with integrated frame
US20090320424A1 (en) * 2008-06-30 2009-12-31 Baldwin Filters, Inc. Filter Frame Attachment and Fluted Filter Having Same
US9970394B2 (en) 2012-07-25 2018-05-15 Baldwin Filters, Inc. Filter housing, fluted filter and safety filter
DK178543B1 (en) * 2014-11-20 2016-06-13 Jsj Consult Aps Air-filter system for ventilation systems
DK201400676A1 (en) * 2014-11-20 2016-06-06 Jsj Consult Aps Air-filter system for ventilation systems
WO2017059590A1 (zh) * 2015-10-10 2017-04-13 创天昱科技(深圳)有限公司 空气过滤器
US10682597B2 (en) 2016-04-14 2020-06-16 Baldwin Filters, Inc. Filter system
CN112473277A (zh) * 2020-12-23 2021-03-12 东莞市国峰净化设备有限公司 废气净化装置

Also Published As

Publication number Publication date
CH453863A (de) 1968-03-31
GB1103055A (en) 1968-02-14
DK116562B (da) 1970-01-19
AT268316B (de) 1969-02-10
NL6701691A (da) 1967-08-09
ES336380A1 (es) 1967-12-16
SE302235B (da) 1968-07-08
FI43869B (da) 1971-03-31
BE693410A (da) 1967-07-03

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