CN104645713B - A kind of bauxite forward flotation selects tailings characteristic to be separated the preparation method of filter cloth - Google Patents
A kind of bauxite forward flotation selects tailings characteristic to be separated the preparation method of filter cloth Download PDFInfo
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- CN104645713B CN104645713B CN201510063073.XA CN201510063073A CN104645713B CN 104645713 B CN104645713 B CN 104645713B CN 201510063073 A CN201510063073 A CN 201510063073A CN 104645713 B CN104645713 B CN 104645713B
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- 239000004744 fabric Substances 0.000 title claims abstract description 50
- 229910001570 bauxite Inorganic materials 0.000 title claims abstract description 10
- 238000005188 flotation Methods 0.000 title claims abstract description 8
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000004743 Polypropylene Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 16
- -1 polypropylene Polymers 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- 238000009958 sewing Methods 0.000 claims abstract description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000706 filtrate Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 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
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Landscapes
- Filtering Materials (AREA)
- Woven Fabrics (AREA)
Abstract
The present invention relates to bauxite forward flotation selects tailings characteristic to be separated the preparation method of filter cloth, efficient solution final election mine tailing moisture, the problem that filtrate floating material is higher, ground floor is polypropylene fibre multifilament plain weave filter cloth is square, the upper and lower edge of square and edge, the left and right sides there is fixed edge, there is trapezoidal groove at the fixed edge center of the left and right sides, the fixed edge of upper fixed edge and the left and right sides there is fixing hole, square center has round center hole, the second layer is placed in above ground floor, the second 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 centers, the square of ground floor and the square annular edge of the second layer are along aliging, sew up through four line sewing machines, the annulus of the second layer is placed in above the periphery of the round center hole of ground floor, be stitched together through three line sewing machines, the present invention selects mine tailing moisture and filtrate floating material all to reach production requirement, the squeezing time is short, operating efficiency is high.
Description
Technical field
The present invention relates to a kind of bauxite forward flotation selects tailings characteristic to be separated the preparation method of filter cloth.
Background technology
Produce concentrate with bauxite waste residue by direct floatation process, bauxite waste residue alumina silica ratio 2.00-3.50, floatation process take selected, roughly select, scan flow process, wherein, the mine tailing point two-stage of selecting of producing in concentrate process is dewatered: the first order, and mine tailing subsider dewaters, dehydration rate 35%-45%; The second level, with HZMGF500/2000-U filter press press dewatering, this filter press is used for selecting tailings dewatering, requires moisture 16%-20%, and product selects mine tailing alumina silica ratio 1.20-1.50, select the size distribution of mine tailing unique, wherein-10 μm 40 ~ 45%, 10-19 μm 13 ~ 18%, 19-38 μm 15 ~ 20%, 38-75 μm 5 ~ 10%, 75-150 μm 8 ~ 12%.Due to, the whole self-loopa of the system water in direct floatation process is recycled, and therefore, when requiring to select the mine tailing second level to dewater, filter press filtrate floating material is 1.0-1.5 grams per liter.But, due to Problems existing in the canvas press cloth material that uses at present and manufacture craft, cause selecting tailing water to be divided into 25-30%, filtrate floating material is 1.5-2.5 grams per liter, do not reach requirement, and individual layer, single canvas press cloth material and manufacture craft, be difficult to meet the second dehydration needs selecting mine tailing.
Summary of the invention
For above-mentioned situation, for overcoming prior art defect, the object of the present invention is just to provide a kind of bauxite forward flotation and selects tailings characteristic to be separated the preparation method of filter cloth, can efficient solution final election mine tailing moisture, filtrate floating material higher and individual layer, single canvas press cloth material and manufacture craft, be difficult to meet the problem selecting the second dehydration needs of mine tailing.
The technical scheme that the present invention solves is, ground floor is polypropylene fibre multifilament plain weave filter cloth, the second layer is non-woven fabrics filter cloth, ground floor is square, foursquare upper edge, lower edge and edge, the left and right sides all there is the fixed edge horizontally outward extended, the fixed edge centre bit of the left and right sides is equipped with symmetrical trapezoidal groove, on be evenly equipped with fixing hole along on the upper fixed edge in outside and the fixed edge of the left and right sides, there is round center hole at foursquare center, the second layer is placed in above ground floor, the second layer is made up of inside and outside two parts, outside is divided into square annular, the outer shroud length of side of square annular is identical with the square length of side of ground floor, inside is divided into the annulus being placed in outer portion centers, the internal diameter size of annulus is identical with circular central pore diameter size, during making, the square of ground floor aligns mutually with the outer annular edge edge of the square annular of the outer part of the second layer, be stitched together through four line sewing machines, the periphery forming polypropylene fibre multifilament plain weave filter cloth has non-woven fabrics filter cloth around structure, the annulus of the second layer is placed in above the periphery of the round center hole of ground floor, together with the inner circle of the annulus of the second layer overlaps with round center hole, through three line sewing machines, the annulus of ground floor and the second layer is stitched together, form overall structure,
Described polypropylene fibre multifilament plain weave filter cloth is the model 600E polypropylene fibre filter cloth that Fei Erte industrial cloth Co., Ltd in Shanghai produces;
Described 150 ~ 250 liters of/square metre of seconds of polypropylene fibre multifilament plain weave filter cloth Air permenbility, 600 ~ 900 liters of/square metre of seconds of non-woven fabrics filter cloth Air permenbility;
Described ground floor and the circular hole having position identical inside the upper left corner of the second layer;
The corner of the inner loop-line of described pros' 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 adopts compound filter cloth material and manufacture craft, and solve the problem that HZMGF500/2000-U filter press selects mine tailing moisture, filtrate floating material higher, select mine tailing moisture and filtrate floating material all to reach production requirement, the squeezing time is short, and operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural front view of the present invention.
Fig. 2 is using state schematic diagram of the present invention.
Fig. 3 is the structural front view of ground floor of the present invention.
Fig. 4 is the structural front view of the second layer of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
Provided by Fig. 1-Fig. 4, the concrete steps that bauxite forward flotation of the present invention selects tailings characteristic to be separated the preparation method of filter cloth are: ground floor is polypropylene fibre multifilament plain weave filter cloth 1, the second layer is non-woven fabrics filter cloth 2, ground floor is square, foursquare upper edge, lower edge and edge, the left and right sides all there is the fixed edge 4 horizontally outward extended, the fixed edge centre bit of the left and right sides is equipped with symmetrical trapezoidal groove, on be evenly equipped with fixing hole 3 along on the upper fixed edge in outside and the fixed edge of the left and right sides, there is round center hole 6 at foursquare center, the second layer is placed in above ground floor, the second layer is made up of inside and outside two parts, outside is divided into square annular, the outer shroud length of side of square annular is identical with the square length of side of ground floor, the ring width of square annular is 95mm, inside is divided into the annulus 5 being placed in outer portion centers, the internal diameter size of annulus is identical with circular central pore diameter size, the external diameter of annulus is 300mm, during making, the square of ground floor aligns mutually with the outer annular edge edge of the square annular of the outer part of the second layer, be stitched together through four line sewing machines, the non-woven fabrics filter cloth that the periphery forming polypropylene fibre multifilament plain weave filter cloth has 95mm wide is around structure, the annulus of the second layer is placed in above the periphery of the round center hole of ground floor, together with the inner circle of the annulus of the second layer overlaps with round center hole, through three line sewing machines, the annulus of ground floor and the second layer is stitched together, form overall structure,
The outer shroud length of side of the foursquare length of side of described ground floor and the square annular of the outer part of the second layer is 2000 ㎜, and the width of the fixed edge of ground floor is 60mm;
Described trapezoidal groove is upper base 370 ㎜, the isosceles trapezoid of 920 ㎜ that go to the bottom, and upper base is placed on foursquare edge, and the two ends of going 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;
The circular hole of described ground floor and the diameter 90mm having position identical inside the upper left corner of the second layer, edge and outer shroud left side edge 120mm on the outer shroud of the circular hole distance second layer;
The diameter of described round center hole is 200mm;
The corner of the inner loop-line of described pros' annular is lead angle shape, and the angle at lead angle place is 135 ° (i.e. lead angle place connects the angle on any one limit in the oblique line of two adjacent edges and two adjacent edges).
The present invention selects mine tailing filter cloth when making, material is scalded with electric iron, in order to avoid filter cloth is unedged, polypropylene fibre multifilament plain weave filter cloth (calendering face) is positioned at the outermost layer of filter plate, non-woven fabrics filter cloth is close on polypropylene fibre multifilament plain weave filter cloth and fits together with filter plate, non-woven fabrics filter cloth is positioned at polypropylene fibre multifilament plain weave filter cloth surrounding, be stitched together with four line sewing machines, two metafiltration cloth are made to form an entirety, the annulus that the useful three line sewing machines of integral central that two metafiltration cloth are formed are stitched into, make whole filter cloth together closely sealed, 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 clip of ground floor is fixed on filter plate, installing must be smooth, fold can not be had, the annulus position at filter cloth center of the present invention, there are two pieces of annular fulders front and back, the annulus at filter cloth center is evenly equipped with 4 screw holes 7, be each passed through 4 screw holes with four SOC.HD. cap screws two blocks, front and back filter cloth of the present invention is fixed on filter plate.
The present invention, through repeatedly testing in actual production, all achieves good effect, after using filter cloth of the present invention, select tailing water to be divided into 16-20%, filtrate floating material is 1.0-1.5 grams per liter, all can reach actual production requirement, not only ensure that product quality, the time of simultaneously squeezing, by original 40-50 minute, foreshortens to 30-35 minute, and the filter cake formability of squeezing is good, easy stripping, production efficiency improves more than 10%, and dependable performance is stablized, and has huge economic and social benefit.
Claims (2)
1. a bauxite forward flotation selects tailings characteristic to be separated the preparation method of filter cloth, it is characterized in that, ground floor is polypropylene fibre multifilament plain weave filter cloth, the second layer is non-woven fabrics filter cloth, ground floor is square, foursquare upper edge, lower edge and edge, the left and right sides all there is the fixed edge horizontally outward extended, the fixed edge centre bit of the left and right sides is equipped with symmetrical trapezoidal groove, on be evenly equipped with fixing hole along on the upper fixed edge in outside and the fixed edge of the left and right sides, there is round center hole at foursquare center, the second layer is placed in above ground floor, the second layer is made up of inside and outside two parts, outside is divided into square annular, the outer shroud length of side of square annular is identical with the square length of side of ground floor, inside is divided into the annulus being placed in outer portion centers, the internal diameter size of annulus is identical with circular central pore diameter size, during making, the square of ground floor aligns mutually with the outer annular edge edge of the square annular of the outer part of the second layer, be stitched together through four line sewing machines, the periphery forming polypropylene fibre multifilament plain weave filter cloth has non-woven fabrics filter cloth around structure, the annulus of the second layer is placed in above the periphery of the round center hole of ground floor, together with the inner circle of the annulus of the second layer overlaps with round center hole, through three line sewing machines, the annulus of ground floor and the second layer is stitched together, form overall structure,
Described 150 ~ 250 liters of/square metre of seconds of polypropylene fibre multifilament plain weave filter cloth Air permenbility, 600 ~ 900 liters of/square metre of seconds of non-woven fabrics filter cloth Air permenbility;
Described ground floor and the circular hole having position identical inside the upper left corner of the second layer;
The corner of the inner loop-line of described pros' annular is lead angle shape.
2. bauxite forward flotation according to claim 1 selects tailings characteristic to be separated the preparation method of filter cloth, it is characterized in that, ground floor is polypropylene fibre multifilament plain weave filter cloth (1), the second layer is non-woven fabrics filter cloth (2), ground floor is square, foursquare upper edge, lower edge and edge, the left and right sides all there is the fixed edge (4) horizontally outward extended, the fixed edge centre bit of the left and right sides is equipped with symmetrical trapezoidal groove, on be evenly equipped with fixing hole (3) along on the upper fixed edge in outside and the fixed edge of the left and right sides, there is round center hole (6) at foursquare center, the second layer is placed in above ground floor, the second layer is made up of inside and outside two parts, outside is divided into square annular, the outer shroud length of side of square annular is identical with the square length of side of ground floor, the ring width of square annular is 95mm, inside is divided into the annulus (5) being placed in outer portion centers, the internal diameter size of annulus is identical with circular central pore diameter size, the external diameter of annulus is 300mm, during making, the square of ground floor aligns mutually with the outer annular edge edge of the square annular of the outer part of the second layer, be stitched together through four line sewing machines, the non-woven fabrics filter cloth that the periphery forming polypropylene fibre multifilament plain weave filter cloth has 95mm wide is around structure, the annulus of the second layer is placed in above the periphery of the round center hole of ground floor, together with the inner circle of the annulus of the second layer overlaps with round center hole, through three line sewing machines, the annulus of ground floor and the second layer is stitched together, form overall structure,
The outer shroud length of side of the foursquare length of side of described ground floor and the square annular of the outer part of the second layer is 2000 ㎜, and the width of the fixed edge of ground floor is 60mm;
Described trapezoidal groove is upper base 370 ㎜, the isosceles trapezoid of 920 ㎜ that go to the bottom, and upper base is placed on foursquare edge, and the two ends of going 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;
The circular hole of described ground floor and the diameter 90mm having position identical inside the upper left corner of the second layer, edge and outer shroud left side edge 120mm on the outer shroud of the circular hole distance second layer;
The diameter of described round center hole is 200mm;
The corner of the inner loop-line of described pros' annular is lead angle shape, and the angle at lead angle place is 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063073.XA CN104645713B (en) | 2015-02-06 | 2015-02-06 | A kind of bauxite forward flotation selects tailings characteristic to be separated the preparation method of filter cloth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063073.XA CN104645713B (en) | 2015-02-06 | 2015-02-06 | A kind of bauxite forward flotation selects tailings characteristic to be separated the preparation method of filter cloth |
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| Publication Number | Publication Date |
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| CN104645713A CN104645713A (en) | 2015-05-27 |
| CN104645713B true CN104645713B (en) | 2016-04-20 |
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| CN201510063073.XA Expired - Fee Related CN104645713B (en) | 2015-02-06 | 2015-02-06 | A kind of bauxite forward flotation selects tailings characteristic to be separated the preparation method of filter cloth |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201524489U (en) * | 2009-11-04 | 2010-07-14 | 杭州兴源过滤科技股份有限公司 | Diaphragm plate filter cloth cover |
| CN202105519U (en) * | 2011-05-06 | 2012-01-11 | 大连华隆滤布有限公司 | Leakproof filter cloth for plate frame |
| CN202366525U (en) * | 2011-12-27 | 2012-08-08 | 石棉县东顺锌业有限责任公司 | Filter plate of box type filter press |
| KR101255624B1 (en) * | 2010-10-29 | 2013-04-16 | 주식회사 코스멕 | Attachment structure of filter for filter-press |
| CN203208751U (en) * | 2013-03-01 | 2013-09-25 | 蒋华 | Rubber vulcanized and molded filtering cloth of sealing surface |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7736502B2 (en) * | 2007-02-12 | 2010-06-15 | Siemens Water Technologies Corp. | Temperature transfer filter plate assembly |
-
2015
- 2015-02-06 CN CN201510063073.XA patent/CN104645713B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201524489U (en) * | 2009-11-04 | 2010-07-14 | 杭州兴源过滤科技股份有限公司 | Diaphragm plate filter cloth cover |
| KR101255624B1 (en) * | 2010-10-29 | 2013-04-16 | 주식회사 코스멕 | Attachment structure of filter for filter-press |
| CN202105519U (en) * | 2011-05-06 | 2012-01-11 | 大连华隆滤布有限公司 | Leakproof filter cloth for plate frame |
| CN202366525U (en) * | 2011-12-27 | 2012-08-08 | 石棉县东顺锌业有限责任公司 | Filter plate of box type filter press |
| CN203208751U (en) * | 2013-03-01 | 2013-09-25 | 蒋华 | Rubber vulcanized and molded filtering cloth of sealing surface |
| 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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| CN104645713A (en) | 2015-05-27 |
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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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