CN104689640B - A kind of manufacture method of bauxite forward flotation concentrate filter pressing separation filter cloth - Google Patents
A kind of manufacture method of bauxite forward flotation concentrate filter pressing separation filter cloth Download PDFInfo
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- CN104689640B CN104689640B CN201510063074.4A CN201510063074A CN104689640B CN 104689640 B CN104689640 B CN 104689640B CN 201510063074 A CN201510063074 A CN 201510063074A CN 104689640 B CN104689640 B CN 104689640B
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- filter cloth
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- ground floor
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- 239000004744 fabric Substances 0.000 title claims abstract description 58
- 239000012141 concentrate Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 10
- 238000005188 flotation Methods 0.000 title claims abstract description 8
- 238000003825 pressing Methods 0.000 title claims abstract description 8
- 238000000926 separation method Methods 0.000 title claims abstract description 8
- 238000009958 sewing Methods 0.000 claims abstract description 12
- 239000004743 Polypropylene Substances 0.000 claims description 24
- -1 polypropylene Polymers 0.000 claims description 24
- 229920001155 polypropylene Polymers 0.000 claims description 24
- 239000004745 nonwoven fabric Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- 239000000706 filtrate Substances 0.000 abstract description 8
- 238000007667 floating Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 43
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000454 anti-cipatory effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
nullThe present invention relates to the manufacture method of bauxite forward flotation concentrate selection filter pressing separation filter cloth，Efficient solution final election moisture in concentrate、The problem that filtrate floating material is higher，Ground floor and the second layer above are stacked together，For square，Square up and down and has fixed edge on edge, the left and right sides，There is trapezoidal groove at fixed edge center, the left and right sides，Fixing hole is had on the fixed edge of upper fixed edge and the left and right sides，Square center has round center hole，Third layer is placed in above the second layer，Third layer is made up of inside and outside two parts，Outside is divided into square annular，Inside is divided into the annulus being placed in outer portion center，Ground floor and the second layer align with third layer edge，Sew up through four line sewing machines，Above the periphery of the round center hole that third layer annulus is placed in the second layer，Sew up through three line sewing machines，The present invention solves concentrate selection moisture、The problem that filtrate floating material is higher，The squeezing time is short，Work efficiency is high.
Description
Technical field
The present invention relates to the manufacture method of a kind of bauxite forward flotation concentrate filter pressing separation filter cloth.
Background technology
Producing concentrate with bauxite waste residue by direct floatation process, bauxite waste residue alumina silica ratio is 2.00-3.50, floatation process take selected, roughly select, scan flow process, concentrate selection divides two-stage be dehydrated: the first order, the dehydration of concentrate subsider, dehydration rate 35%-45%；The second level, with KZGMF500/2000-U pressure filter press dewatering, this pressure filter is dehydrated for concentrate selection, requiring moisture 13%-15%, product concentrate selection alumina silica ratio is 5.5-6.5, and the particle size distribution of concentrate selection is :-10 μm 20～25%, 10-19 μm 13～18%, 19-38 μm 30～35%, 38-75 μm 15～20%, 75-150 μm 8～12%.Owing to the whole self-loopa of system water in direct floatation process recycles, it is desirable to during the dehydration of the concentrate selection second level, filter press filtrate floating material is 0.5-1.5 grams per liter.But, problem present on currently used canvas press cloth material and processing technology, causing concentrate selection moisture is 15-17%, filtrate floating material is 1.5-2.5 grams per liter, do not reach requirement, and monolayer, single canvas press cloth material and processing technology, it is difficult to meet the second dehydration needs of concentrate selection.
Summary of the invention
For above-mentioned situation, for overcoming prior art defect, the purpose of the present invention is just to provide the manufacture method of a kind of bauxite forward flotation concentrate filter pressing separation filter cloth, can efficient solution final election moisture in concentrate, filtrate floating material be higher and monolayer, single canvas press cloth material and processing technology, it is difficult to the problem meeting the second dehydration needs of concentrate selection.
nullThe technical scheme that the present invention solves is，Ground floor is polypropylene multifilament plain weave filter cloth，The second layer is monofilament plain weave polypropylene filter cloth、Third layer is non-woven fabrics filter cloth，Ground floor and the tiling of the second layer above are stacked together composition composite bed，Ground floor is identical with the size structure shape of the second layer，It is square，Foursquare upper edge、All have, on lower edge and edge, the left and right sides, the fixed edge horizontally outward extended，The fixed edge centre bit of the left and right sides is equipped with the trapezoidal groove of symmetry，On along the fixed edge of the upper fixed edge in outside and the left and right sides, be evenly equipped with fixing hole，There is round center hole at foursquare center，Third layer is placed in above the second layer，Third layer is made up of inside and outside two parts，Outside is divided into square annular，The length of side of square annular is identical with the square length of side，Inside is divided into the annulus being placed in outer portion center，The internal diameter size of annulus is identical with circular central pore diameter size，During making，Ground floor and the second layer are fixed together respectively through the fixing hole clip on the fixed edge of respective upper fixed edge and the left and right sides，The square of ground floor and the second layer is mutually aligned with the edge of the outer portion pros annular of third layer，It is stitched together through four line sewing machines，The periphery constituting monofilament plain weave polypropylene filter cloth has non-woven fabrics filter cloth around structure，Above the periphery of the round center hole that the annulus of third layer is placed in the second layer，Together with the inner circle of the annulus of third layer overlaps with round center hole，Through three line sewing machines, the annulus of ground floor and the second layer with third layer is stitched together，Constitute overall structure；
Described polypropylene multifilament plain weave filter cloth is the model 600E polypropylene filter cloth that Shanghai Fei Erte industrial cloth company limited produces；
Described monofilament plain weave polypropylene filter cloth is the model 1015 monofilament plain weave polypropylene filter cloth that Shanghai Fei Erte industrial cloth company limited produces；
Described polypropylene multifilament plain weave filter cloth the Air permenbility 150～250 liter/square metre second, monofilament plain weave polypropylene filter cloth the Air permenbility 300～550 liter/square metre second, non-woven fabrics filter cloth the Air permenbility 600～900 liter/square metre second；
The circular hole that position is identical is had inside described ground floor, the second layer and the upper left corner of third layer；
The corner of the inner loop-line of described square annular is lead angle shape (lead angle shape is the state after the summit cracking-off at angle, and namely the both sides common port at angle is connected with the two ends of oblique line respectively).
The present invention uses compound filter cloth material and processing technology, solves the problem that KZGMF500/2000-U pressure filter concentrate selection moisture, filtrate floating material are higher, and concentrate selection moisture and filtrate floating material have all reached production requirement, and the squeezing time is short, and work efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural front view of the present invention.
Fig. 2 is the use view of the present invention.
Fig. 3 is the structure left side view of the present invention.
Fig. 4 is the structural front view of ground floor of the present invention.
Fig. 5 is the structural front view of the second layer of the present invention.
Fig. 6 is the structural front view of third layer of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is elaborated.
nullBe given by Fig. 1-Fig. 6，The manufacture method of bauxite forward flotation concentrate filter pressing separation filter cloth of the present invention is: ground floor is polypropylene multifilament plain weave filter cloth 1，The second layer is monofilament plain weave polypropylene filter cloth 2、Third layer is non-woven fabrics filter cloth 3，Ground floor and the tiling of the second layer above are stacked together composition composite bed，Ground floor is identical with the size structure shape of the second layer，It is square，Foursquare upper edge、The fixed edge 7 horizontally outward extended all is had on lower edge and edge, the left and right sides，The fixed edge centre bit of the left and right sides is equipped with the trapezoidal groove of symmetry，On along the fixed edge of the upper fixed edge in outside and the left and right sides, be evenly equipped with fixing hole 4，There is round center hole 6 at foursquare center，Third layer is placed in above the second layer，Third layer is made up of inside and outside two parts，Outside is divided into square annular，The length of side of square annular is identical with the square length of side，The ring width of square annular is 95mm,Inside is divided into the annulus 5 being placed in outer portion center，The internal diameter size of annulus is identical with circular central pore diameter size，The external diameter of annulus is 300mm，During making，Ground floor and the second layer are fixed together respectively through the fixing hole clip on the fixed edge of respective upper fixed edge and the left and right sides，The square of ground floor and the second layer is mutually aligned with the edge of the outer portion pros annular of third layer，It is stitched together through four line sewing machines，The periphery constituting monofilament plain weave polypropylene filter cloth has non-woven fabrics filter cloth wide for 95mm around structure，Above the periphery of the round center hole that the annulus of third layer is placed in the second layer，Together with the inner circle of the annulus of third layer overlaps with round center hole，Through three line sewing machines, the annulus of ground floor and the second layer with third layer is stitched together，Constitute overall structure；
The length of side of described ground floor, the second layer and third layer is 1980, and the width of the fixed edge of ground floor and the second layer is 60mm；
Described trapezoidal groove is the upper end 380, go to the bottom 1080 isosceles trapezoid, the upper end is placed on foursquare edge, and the two ends gone to the bottom are connected with the outer of fixed edge respectively；
Described fixed edge has upper fixed edge, the fixed edge of both sides and lower fixed edge, and the fixed edge of both sides and the two ends of lower fixed edge link together, form right angle shape structure；
Having the circular hole of the identical diameter 90mm in position inside described ground floor, the second layer and the upper left corner of third layer, the upper edge of square annular of circular hole distance third layer and pros annular left side edge 115mm, when the design of circular hole is to facilitate press dewatering, blowing uses；
A diameter of 195mm of described round center hole；
The corner of the inner loop-line of described square annular is lead angle shape, and the angle at lead angle is 135 ° (i.e. at lead angle, the angle on any one limit in oblique line and two adjacent edges).
Concentrate selection filter cloth of the present invention is when making, material is scalded with electric cautery, in order to avoid filter cloth is unedged, polypropylene multifilament plain weave filter cloth (i.e. calendering face) is positioned at outermost layer, monofilament plain weave polypropylene filter cloth is close to the medial surface of polypropylene multifilament plain weave filter cloth, non-woven fabrics filter cloth is positioned at monofilament plain weave polypropylene filter cloth surrounding, it is close to filter plate, three layers of use four line sewing machine are stitched together, three metafiltration cloth are made to form an entirety, the annulus that the useful three line sewing machines of integral central that three metafiltration cloth are constituted are stitched into, makes whole filter cloth closely sealed together.During installation, filter cloth of the present invention is vertically fixed on filter plate frame, i.e. each installation one anticipatory remark invention filter cloth before and after filter plate, wherein filter plate is close to by non-woven fabrics filter cloth, the fixing hole of ground floor and second layer top, the left and right sides is fixed on filter plate, installing must be smooth, can not there is fold, the annulus position at filter cloth center of the present invention, front and back there are two pieces of annular fulders, being evenly equipped with 4 screw holes 8 on the annulus at filter cloth center, being each passed through 4 screw holes by four SOC.HD. cap screw will front and back be fixed on filter plate by two blocks of filter clothes of the present invention.
The present invention, through repeatedly testing in actual production, all achieves good effect, after using filter cloth of the present invention, concentrate selection moisture reaches 13-15%, and filtrate floating material is 0.5-1.5 grams per liter, all can reach actual production requirement, not only ensure that product quality, the time simultaneously squeezed, by original 40-50 minute, foreshortens to 35 minutes, and the filter cake formability of squeezing is good, it is easily peeled, production efficiency improves more than 10%, and dependable performance is stable, has huge economic and social benefit.
Claims (2)
- null1. the manufacture method of a bauxite forward flotation concentrate filter pressing separation filter cloth，It is characterized in that，Ground floor is polypropylene multifilament plain weave filter cloth，The second layer is monofilament plain weave polypropylene filter cloth、Third layer is non-woven fabrics filter cloth，Ground floor and the tiling of the second layer above are stacked together composition composite bed，Ground floor is identical with the size structure shape of the second layer，It is square，Foursquare upper edge、All have, on lower edge and edge, the left and right sides, the fixed edge horizontally outward extended，The fixed edge centre bit of the left and right sides is equipped with the trapezoidal groove of symmetry，On along the fixed edge of the upper fixed edge in outside and the left and right sides, be evenly equipped with fixing hole，There is round center hole at foursquare center，Third layer is placed in above the second layer，Third layer is made up of inside and outside two parts，Outside is divided into square annular，The length of side of square annular is identical with the square length of side，Inside is divided into the annulus being placed in outer portion center，The internal diameter size of annulus is identical with circular central pore diameter size，During making，Ground floor and the second layer are fixed together respectively through the fixing hole clip on the fixed edge of respective upper fixed edge and the left and right sides，The square of ground floor and the second layer is mutually aligned with the edge of the outer portion pros annular of third layer，It is stitched together through four line sewing machines，The periphery constituting monofilament plain weave polypropylene filter cloth has non-woven fabrics filter cloth around structure，Above the periphery of the round center hole that the annulus of third layer is placed in the second layer，Together with the inner circle of the annulus of third layer overlaps with round center hole，Through three line sewing machines, the annulus of ground floor and the second layer with third layer is stitched together，Constitute overall structure；Described polypropylene multifilament plain weave filter cloth the Air permenbility 150～250 liter/square metre second, monofilament plain weave polypropylene filter cloth the Air permenbility 300～550 liter/square metre second, non-woven fabrics filter cloth the Air permenbility 600～900 liter/square metre second；The circular hole that position is identical is had inside described ground floor, the second layer and the upper left corner of third layer；The corner of the inner loop-line of described square annular is lead angle shape.
- nullThe manufacture method of bauxite forward flotation concentrate filter pressing separation filter cloth the most according to claim 1，It is characterized in that，Ground floor is polypropylene multifilament plain weave filter cloth (1)，The second layer is monofilament plain weave polypropylene filter cloth (2)、Third layer is non-woven fabrics filter cloth (3)，Ground floor and the tiling of the second layer above are stacked together composition composite bed，Ground floor is identical with the size structure shape of the second layer，It is square，Foursquare upper edge、The fixed edge (7) horizontally outward extended all is had on lower edge and edge, the left and right sides，The fixed edge centre bit of the left and right sides is equipped with the trapezoidal groove of symmetry，On along the fixed edge of the upper fixed edge in outside and the left and right sides, be evenly equipped with fixing hole (4)，There is round center hole (6) at foursquare center，Third layer is placed in above the second layer，Third layer is made up of inside and outside two parts，Outside is divided into square annular，The length of side of square annular is identical with the square length of side，The ring width of square annular is 95mm,Inside is divided into the annulus (5) being placed in outer portion center，The internal diameter size of annulus is identical with circular central pore diameter size，The external diameter of annulus is 300mm，During making，Ground floor and the second layer are fixed together respectively through the fixing hole clip on the fixed edge of respective upper fixed edge and the left and right sides，The square of ground floor and the second layer is mutually aligned with the edge of the outer portion pros annular of third layer，It is stitched together through four line sewing machines，The periphery constituting monofilament plain weave polypropylene filter cloth has non-woven fabrics filter cloth wide for 95mm around structure，Above the periphery of the round center hole that the annulus of third layer is placed in the second layer，Together with the inner circle of the annulus of third layer overlaps with round center hole，Through three line sewing machines, the annulus of ground floor and the second layer with third layer is stitched together，Constitute overall structure；The length of side of described ground floor, the second layer and third layer is 1980, and the width of the fixed edge of ground floor and the second layer is 60mm；Described trapezoidal groove is the upper end 380, go to the bottom 1080 isosceles trapezoid, the upper end is placed on foursquare edge, and the two ends gone to the bottom are connected with the outer of fixed edge respectively；Described fixed edge has upper fixed edge, the fixed edge of both sides and lower fixed edge, and the fixed edge of both sides and the two ends of lower fixed edge link together, form right angle shape structure；Having the circular hole of the identical diameter 90mm in position inside described ground floor, the second layer and the upper left corner of third layer, the upper edge of square annular of circular hole distance third layer and pros annular left side edge 115mm, when the design of circular hole is to facilitate press dewatering, blowing uses；A diameter of 195mm of described round center hole；The corner of the inner loop-line of described square annular is lead angle shape, and the angle at lead angle is 135 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063074.4A CN104689640B (en) | 2015-02-06 | 2015-02-06 | A kind of manufacture method of bauxite forward flotation concentrate filter pressing separation filter cloth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510063074.4A CN104689640B (en) | 2015-02-06 | 2015-02-06 | A kind of manufacture method of bauxite forward flotation concentrate filter pressing separation filter cloth |
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| CN104689640A CN104689640A (en) | 2015-06-10 |
| CN104689640B true CN104689640B (en) | 2017-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7736502B2 (en) * | 2007-02-12 | 2010-06-15 | Siemens Water Technologies Corp. | Temperature transfer filter plate assembly |
| CN201353446Y (en) * | 2008-09-17 | 2009-12-02 | 广州绿由工业弃置废物回收处理有限公司 | Filter cloth and filter press device of plate and frame filter press |
| CN101934170B (en) * | 2009-06-30 | 2012-07-04 | 郭春樱 | Air filter screen with nano-antibacterial and deodorization effects and manufacturing method thereof |
| CN102441301A (en) * | 2010-04-23 | 2012-05-09 | 杭州路先非织造股份有限公司 | Spun-laced non-woven fabric filtering material and manufacturing method thereof |
| CN204093177U (en) * | 2014-09-07 | 2015-01-14 | 辽宁天泽产业集团纺织有限公司 | The antiseep Woven filter cloth that a kind of plate and frame filter press is suitable for |
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Address after: Dengfeng City, Henan province 452470 city of Zhengzhou Tang Zhuang Xiang Tang Dong Cun Bei River Patentee after: HENAN DONGDA TECHNOLOGY CO.,LTD. Address before: Dengfeng City, Henan province 452470 city of Zhengzhou Tang Zhuang Xiang Tang Dong Cun Bei River Patentee before: HENAN DONGDA MINING Co.,Ltd. |
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Granted publication date: 20170104 |