CN103350231A - Asymmetric structure powder sintering metal filter pipe and filter element with strengthening phase - Google Patents
Asymmetric structure powder sintering metal filter pipe and filter element with strengthening phase Download PDFInfo
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- CN103350231A CN103350231A CN2013103078179A CN201310307817A CN103350231A CN 103350231 A CN103350231 A CN 103350231A CN 2013103078179 A CN2013103078179 A CN 2013103078179A CN 201310307817 A CN201310307817 A CN 201310307817A CN 103350231 A CN103350231 A CN 103350231A
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Abstract
The invention relates to a production method for an asymmetric structure powder sintering metal filter pipe and filter element with a strengthening phase. A molding agent is added to metal powder to be mixed, a casting machine is used for obtaining a powder pipe and a sheet forming blank, ungrease treatment is conducted, and then a metal net and mesh wires are laid on the powder pipe and the sheet forming blank and placed in a vacuum furnace for sintering, so that the powder pipe with the strengthening phase and high porosity, a sheet supporting layer and a composite supporting layer are obtained; a coating is sprayed to obtain an asymmetric structure powder sintering filter material with the strengthening phase which is molded and rolled to be of a tube shape for welding, and therefore the asymmetric structure powder sintering metal filter pipe and filter element with the strengthening phase is manufactured. The asymmetric structure powder sintering metal filter pipe and filter element with the strengthening phase has the advantages of being low in filtration resistance, high in filtration flux and porosity and strong in pressure bearing capacity, is applied to S-Zorb devices of Sinopec, increases the filtration flow by 30-50%, and enables the total yield to be more than doubled substantially.
Description
Technical field
The invention belongs to oil refining filter plant production technical field, relate to a kind of supporting device of 101,102,103,104,105,110,111,108 in the S-Zorb of the Sinopec Co., Ltd device, feedstock oil filter 104 devices and the powder sintered metal screen pipe of the unsymmetric structure with hardening constituent of hydrotreatment F100-B device, production method of filter core of being applied in.
Background technology
Research finds, be installed in now in the S-Zorb device to cross the filter core porosity little, operting differential pressure is high, easily stops up, the circulation rate of decay is fast, causes blowback frequent, the life-span is short, has directly had influence on the benefit of enterprise.
When using existing filter to move in the S-Zorb101 device, when oil inlet quantity is 135～154t/h, pressure reduction is between 19～24KPa the time; Wherein minimum oil inlet quantity is 135.12t/h, and minimum pressure reduction is 19.55KPa, and maximum oil inlet quantity is 153.78t/h, and maximal pressure is poor to be 24.12KPa.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides and a kind ofly have that filtration resistance is low, filtration flux is large and the production method of the powder sintered metal screen pipe of the unsymmetric structure with hardening constituent of the strong characteristics of bearing capacity, filter core.
The present invention solves the technical method that its technical problem adopts: the production method of the powder sintered metal screen pipe of a kind of unsymmetric structure with hardening constituent, filter core, and its processing step is:
At first in metal dust, add percentage by weight and be 1%～30% forming agent, then in mixing equipment, mix taking-up in 1～5 hour; Obtain powder tube, the living embryo of sheet by casting machine again, in being 300～600 ℃ vacuum drying oven, temperature carries out ungrease treatment, then give birth to embryo at this powder tube, sheet and apply wire netting and/or silk, put into vacuum drying oven, 1000～1600 ℃ of sintering 10～30 hours, obtain containing powder tube, sheet supporting layer and the composite support layer of hardening constituent and large porosity; After again this supporting layer cooling being taken out, use method or conventional spraying method spraying 200～600 purpose coatings of electrostatic spraying, the thickness of control coating is 0.1～0.5mm, then carry out sintering at 900～1500 ℃, after cooling is taken out, obtain with the powder sintered filtering material of the unsymmetric structure of hardening constituent, use forming machine that it is carried out moulding the filtering material for preparing again, it is rolled into tubulose, last weld with argon arc welding machine or the plasma welding machine centre joint with the tubular filter material again, make with the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, the filter core product.
Described mixing equipment is V-type batch mixing equipment, bipyramid blender or ball mill.
The powder sintered filtering material of described unsymmetric structure with hardening constituent has the filter course of the powder coating of the hardening constituent of structural support layers, wire netting, silk of metal powder sintered filtering material and fine pore.
The thickness of described structural support layers is 1～10mm, and structural support layers is, and to be that 20～400 purposes are metal powder sintered by granularity form.
Hardening constituent into the net worked out by the employing wire and supporting layer formation double-decker carries out common burning processing, perhaps jointly sinters homogeneous texture into by wire disperse formal distribution in supporting layer.
Described filter course uses 100～1000 purpose metal dusts by the low temperature spraying, then the mode of sintering is attached on the hardening constituent, perhaps use the mode direct spraying of flame, plasma spraying after, form through heat treatment again.
Described metal dust is the elemental metals powder of Fe, Co, Ni, W, Mo, Cr, Cu, Al, Ti, Zn, Sn, Ta, Nb, Zr, or the multiple alloy powder that forms in these metallic elements.
Described hardening constituent adopts wire netting, silk to be made, wire netting wherein, silk are elemental metals net, the silk of Fe, Co, Ni, W, Mo, Cr, Cu, Al, Ti, Zn, Sn, Ta, Nb, Zr, or the multiple alloy network that forms, silk in these metallic elements.
The powder sintered filtering material of described unsymmetric structure with hardening constituent is processed into by pipe crimping and welding procedure to have with the powder sintered screen pipe of the unsymmetric structure of hardening constituent.
The invention has the beneficial effects as follows: adopting metal powder sintered filtering material is matrix, wire netting, silk is hardening constituent, the powder coating of fine pore is the powder sintered screen pipe of the unsymmetric structure with hardening constituent of filter course, sheet, has filtration resistance low, filtration flux is large, large and the strong characteristics of bearing capacity of porosity, be mainly used in the S-Zorb of Sinopec Co., Ltd device 101,102,103,104,105,110,111,108 devices, feedstock oil filter 104 device and hydrotreatment F100-B devices, can be in the situation that interior other parts of device be constant, improve filtering traffic 30%～50%, thereby so that whole output increase substantially more than one times.
The specific embodiment
The present invention is further described below in conjunction with embodiment:
The production method of the powder sintered metal screen pipe of a kind of unsymmetric structure with hardening constituent with hardening constituent, filter core, its processing step is:
At first in metal dust, add percentage by weight and be 1%～30% forming agent, then in mixing equipment, mix taking-up in 1～5 hour; Obtain powder tube, the living embryo of sheet by casting machine again, in being 300～600 ℃ vacuum drying oven, temperature carries out ungrease treatment, then give birth to embryo at this powder tube, sheet and apply wire netting and/or silk, put into vacuum drying oven, 1000～1600 ℃ of sintering 10～30 hours, obtain containing powder tube, sheet supporting layer and the composite support layer of hardening constituent and certain porosity; After again this supporting layer cooling being taken out, use method or conventional spraying method spraying 200～600 purpose coatings of electrostatic spraying, the thickness of control coating is 0.1～0.5mm, then carry out sintering at 900～1500 ℃, after cooling is taken out, obtain with the powder sintered filtering material of the unsymmetric structure of hardening constituent, use forming machine that it is carried out moulding the filtering material for preparing again, it is rolled into tubulose, and last with argon arc welding machine or plasma welding machine the centre joint of tubular filter material the welding again makes with the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, the filter core product.
Described mixing equipment is V-type batch mixing equipment, bipyramid blender or ball mill.
The powder sintered filtering material of described unsymmetric structure with hardening constituent has the filter course of the powder coating of the structural support layers of metal powder sintered filtering material, hardening constituent wiry and fine pore.
The thickness of described structural support layers is 1～10mm, and it is, and to be that 20～400 purposes are metal powder sintered by granularity form.
Hardening constituent into the net worked out by the employing wire and supporting layer formation double-decker carries out common burning processing, perhaps jointly sinters homogeneous texture into by wire disperse formal distribution in supporting layer.
Described filter course uses 100～1000 purpose metal dusts by the low temperature spraying, then the mode of sintering is attached on the hardening constituent, perhaps use the mode direct spraying of flame, plasma spraying after, form through heat treatment again.
Described metal dust is the elemental metals powder of Fe, Co, Ni, W, Mo, Cr, Cu, Al, Ti, Zn, Sn, Ta, Nb, Zr, or the multiple alloy powder that forms in these metallic elements.
Described hardening constituent adopts wire netting, silk to be made, wire netting wherein, silk are elemental metals net, the silk of Fe, Co, Ni, W, Mo, Cr, Cu, Al, Ti, Zn, Sn, Ta, Nb, Zr, or the multiple alloy network that forms, silk in these metallic elements.
The powder sintered filtering material of described unsymmetric structure with hardening constituent is processed into by pipe crimping and welding procedure to have with the powder sintered screen pipe of the unsymmetric structure of hardening constituent.
When using the present invention to move in the S-Zorb101 device, when oil inlet quantity is lower than 150t/h, pressure reduction is lower than 15～16KPa; When oil inlet quantity during at 150～162t/h, pressure reduction is at 20～22KPa; In the use procedure, minimum oil inlet quantity is 135.12t/h, and minimum pressure reduction is 14.96KPa, and maximum oil inlet quantity is 162.44t/h, and maximal pressure is poor to be 22.41KPa.
According to the data of the above-mentioned equal cycle of operation as can be known, performance of the present invention is far above other filter, and the present invention has substantial significant progress.
Produce composite powder sintering screen pipe, the sheet with bilayer or three-decker by the present invention, this composite powder sintering screen pipe, sheet have high filtering precision, low filtration resistance and high-intensity advantage.
Embodiment 1:The granularity of getting 1.000 kilograms is 30～100 purpose Stainless steel 316 L powder, the forming agent of adding 0.1%～20%, in mixing equipment, mix taking-up in 1～3 hour, this mixing equipment is V-type batch mixing equipment, bipyramid blender or ball mill, obtain powder tube by casting machine again, sheet is given birth to embryo, in being 300～600 ℃ vacuum drying oven, temperature carries out ungrease treatment, then in this powder tube, sheet is given birth to and is applied 40 purpose 316L stainless (steel) wires on the embryo, put into vacuum drying oven, carry out sintering processes at 1000～1600 ℃, obtain containing the powder tube of hardening constituent and certain porosity, sheet supporting layer and composite support layer; After this supporting layer cooling taking-up, use method or common spraying method spraying 200～600 purpose coatings of electrostatic spraying, the thickness of control coating is 0.1～0.5mm, then carry out sintering at 1000～1600 ℃, after cooling is taken out, obtain with the powder sintered filtering material of the unsymmetric structure of hardening constituent, use forming machine that it is carried out moulding the filtering material for preparing again, it is rolled into tubulose, last weld with argon arc welding machine or the plasma welding machine centre joint with the tubular filter material again, the excessively filter core for preparing can use the device at the S-Zorb of Sinopec Co., Ltd, and model is: 101,102,103,104,105,110,111,108 devices, feedstock oil filter 104 devices and hydrotreatment F100-B device use.
Embodiment 2:The granularity of getting 1.000 kilograms is 30～100 purpose Hastelloy powder, the forming agent of adding 0.1%～20%, in mixing equipment, mix taking-up in 1～3 hour, obtain powder tube by casting machine again, sheet is given birth to embryo, in being 300～600 ℃ vacuum drying oven, temperature carries out ungrease treatment, then in this powder tube, sheet is given birth to and is applied 40 purpose 316L stainless (steel) wires on the embryo, put into vacuum drying oven, carry out sintering at 1000～1600 ℃, obtain containing the powder tube of hardening constituent and certain porosity, sheet supporting layer and composite support layer, after this supporting layer cooling taking-up, use method or common spraying method spraying 200～600 purpose coatings of electrostatic spraying, the thickness of control coating is 0.1～0.5mm, then carry out sintering at 1000～1600 ℃, cooling is taken out and is obtained with the powder sintered filtering material of the unsymmetric structure of hardening constituent, use forming machine that it is carried out moulding the filtering material for preparing again, it is rolled into tubulose, last weld with argon arc welding machine or the plasma welding machine centre joint with the tubular filter material again, the excessively filter core for preparing can use the device at the S-Zorb of Sinopec Co., Ltd, and model is: 101,102,103,104,105,110,111,108 devices, feedstock oil filter 104 devices and hydrotreatment F100-B device use.
Embodiment 3:Get 1.000 kilograms 30～100 purpose Stainless steel 316 L powder, the forming agent of adding 0.1%～20%, in mixing equipment, mix taking-up in 1～3 hour, obtain powder tube, the living embryo of sheet by casting machine again, in being 300～600 ℃ vacuum drying oven, temperature carries out ungrease treatment, then give birth to embryo at this powder tube, sheet and apply 40 purpose 316L stainless (steel) wires, put into vacuum drying oven, carry out sintering at 1000～1600 ℃, obtain containing powder tube, sheet supporting layer and the composite support layer of hardening constituent and certain porosity; After this supporting layer cooling taking-up, use method or common spraying method spraying 200～600 purpose coatings of electrostatic spraying, the thickness of control coating is 0.1～0.5mm, then carries out sintering at 1000～1600 ℃, and the unsymmetric structure powder that obtains with hardening constituent is taken out in cooling
End sintering filtering material, use forming machine that it is carried out moulding the filtering material for preparing again, it is rolled into tubulose, last weld with argon arc welding machine or the plasma welding machine centre joint with the tubular filter material again, the excessively filter core for preparing can be installed in the S-Zorb of Sinopec Co., Ltd device, and model is: 101,102,103,104,105,110,111,108 devices, feedstock oil filter 104 devices and hydrotreatment F100-B device use.
Claims (9)
1. the production method of the powder sintered metal screen pipe of the unsymmetric structure with hardening constituent, filter core is characterized in that processing step is:
At first in metal dust, add percentage by weight and be 1%～30% forming agent, then in mixing equipment, mix taking-up in 1～5 hour; Obtain powder tube, the living embryo of sheet by casting machine again, in being 300～600 ℃ vacuum drying oven, temperature carries out ungrease treatment, then give birth to embryo at this powder tube, sheet and apply wire netting and/or silk, put into vacuum drying oven, 1000～1600 ℃ of sintering 10～30 hours, obtain containing powder tube, sheet supporting layer and the composite support layer of hardening constituent and large porosity; After again this supporting layer cooling being taken out, use method or conventional spraying method spraying 200～600 purpose coatings of electrostatic spraying, the thickness of control coating is 0.1～0.5mm, then carry out sintering at 900～1500 ℃, after cooling is taken out, obtain with the powder sintered filtering material of the unsymmetric structure of hardening constituent, use forming machine that it is carried out moulding the filtering material for preparing again, it is rolled into tubulose, last weld with argon arc welding machine or the plasma welding machine centre joint with the tubular filter material again, make with the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, the filter core product.
2. as claimed in claim 1 with the production method of the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, filter core, it is characterized in that: described mixing equipment is V-type batch mixing equipment, bipyramid blender or ball mill.
3. as claimed in claim 1 with the production method of the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, filter core, it is characterized in that: the powder sintered filtering material of described unsymmetric structure with hardening constituent has the filter course of the powder coating of the hardening constituent of structural support layers, wire netting, silk of metal powder sintered filtering material and fine pore.
4. as claimed in claim 3 with the production method of the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, filter core, it is characterized in that: the thickness of described structural support layers is 1～10mm, and structural support layers is, and to be that 20～400 purposes are metal powder sintered by granularity form.
5. as claimed in claim 3 with the production method of the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, filter core, it is characterized in that: hardening constituent into the net worked out by the employing wire and supporting layer formation double-decker carries out common burning processing, perhaps jointly sinters homogeneous texture into by wire disperse formal distribution in supporting layer.
6. as claimed in claim 3 with the production method of the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, filter core, it is characterized in that: described filter course uses 100～1000 purpose metal dusts by the low temperature spraying, then the mode of sintering is attached on the hardening constituent, after perhaps using the mode direct spraying of flame, plasma spraying, form through heat treatment again.
7. as claimed in claim 1 with the production method of the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, filter core, it is characterized in that: described metal dust is the elemental metals powder of Fe, Co, Ni, W, Mo, Cr, Cu, Al, Ti, Zn, Sn, Ta, Nb, Zr, or the multiple alloy powder that forms in these metallic elements.
As described in claim 1 or 3 with the production method of the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, filter core, it is characterized in that: described hardening constituent adopts wire netting, silk to be made, wire netting wherein, silk are elemental metals net, the silk of Fe, Co, Ni, W, Mo, Cr, Cu, Al, Ti, Zn, Sn, Ta, Nb, Zr, or the multiple alloy network that forms, silk in these metallic elements.
9. as claimed in claim 1 with the production method of the powder sintered metal screen pipe of the unsymmetric structure of hardening constituent, filter core, it is characterized in that: the powder sintered filtering material of described unsymmetric structure with hardening constituent is processed into by pipe crimping and welding procedure to have with the powder sintered screen pipe of the unsymmetric structure of hardening constituent.
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| CN2013103078179A CN103350231A (en) | 2013-07-22 | 2013-07-22 | Asymmetric structure powder sintering metal filter pipe and filter element with strengthening phase |
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| CN2013103078179A CN103350231A (en) | 2013-07-22 | 2013-07-22 | Asymmetric structure powder sintering metal filter pipe and filter element with strengthening phase |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524869A (en) * | 2014-12-15 | 2015-04-22 | 西安建筑科技大学 | MgO/Fe-Cr-Ni porous composite filter material and preparation method thereof |
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| CN102059024A (en) * | 2010-11-26 | 2011-05-18 | 王东伟 | Method for manufacturing power-sintered filtering plate with strengthening phases and asymmetric structures |
| CN102069188A (en) * | 2010-11-26 | 2011-05-25 | 王东伟 | Method for producing high-strength long metal powder filter tube |
| CN102179105A (en) * | 2011-04-08 | 2011-09-14 | 王东伟 | Production method of metal powder coating stainless-steel fibrofelt with nanometer-level filtering accuracy |
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2013
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU764847A1 (en) * | 1978-05-15 | 1980-09-23 | Горьковский Политехнический Институт Им. А.А.Жданова | Method of producing iron-base porous material |
| WO2004035174A1 (en) * | 2002-10-17 | 2004-04-29 | N.V. Bekaert S.A. | Layered filter structure comprising short metal fibers |
| CN102009178A (en) * | 2010-11-26 | 2011-04-13 | 王东伟 | Method for producing large-size metal powder filter tube |
| CN102059024A (en) * | 2010-11-26 | 2011-05-18 | 王东伟 | Method for manufacturing power-sintered filtering plate with strengthening phases and asymmetric structures |
| CN102069188A (en) * | 2010-11-26 | 2011-05-25 | 王东伟 | Method for producing high-strength long metal powder filter tube |
| CN102059340A (en) * | 2010-12-09 | 2011-05-18 | 王东伟 | Method for producing compound filter of multi-layer metal meshes and metal powder |
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| CN104524869A (en) * | 2014-12-15 | 2015-04-22 | 西安建筑科技大学 | MgO/Fe-Cr-Ni porous composite filter material and preparation method thereof |
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Application publication date: 20131016 |