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A device and method for preparing porous nickel filter membrane

A porous nickel and filter membrane technology is applied in the field of devices for preparing porous nickel filter membranes and porous nickel filter membranes, and can solve the problem that the level of nickel powder cannot be guaranteed.

Active Publication Date: 2021-08-20
西安宝德九土新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a device for preparing a porous nickel filter membrane, which solves the problem in the prior art that the nickel powder cannot be paved when the powder is filled in the early stage

Method used

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  • A device and method for preparing porous nickel filter membrane
  • A device and method for preparing porous nickel filter membrane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Spherical nickel powder with an average particle size of 15um is used, and the powder carrier is an alumina ceramic sheet to prepare a 0.09mm thick porous nickel filter membrane. According to the shrinkage rate, the required nickel powder layer thickness is estimated to be 0.3mm;

[0039] Step 1, using the above-mentioned device to lay a 0.3mm nickel powder layer on the powder-carrying sheet 6,

[0040] Step 2. Put the powder-carrying sheet 6 carrying the nickel powder layer in a hydrogen furnace for sintering, and keep it warm at 1050° C. for 2 hours, and remove the powder-carrying sheet 6 to obtain a preformed porous nickel filter membrane;

[0041] Step 3, rolling the preformed porous nickel filter membrane, the rolling pressure is 0.3kg, and the rotating speed is 0.5m / min, to obtain a porous nickel filter membrane of 0.13mm;

[0042] Step 4. The porous nickel filter membrane obtained in step 3 is placed in a hydrogen furnace for sintering, and kept at 1100° C. for ...

Embodiment 2

[0047]Spherical nickel powder with an average particle size of 30um is used, and the powder carrier is an alumina ceramic sheet to prepare a 0.1mm thick porous nickel filter membrane. According to the shrinkage rate, the required nickel powder layer thickness is estimated to be 0.35mm;

[0048] Step 1, using the above-mentioned device to lay a 0.35mm nickel powder layer on the powder-carrying sheet 6,

[0049] Step 2. Place the powder-carrying sheet 6 carrying the nickel powder layer in a hydrogen furnace for sintering, and keep it warm at 1100°C for 2 hours, and remove the powder-carrying sheet 6 to obtain a preformed porous nickel filter membrane;

[0050] Step 3, rolling the preformed porous nickel filter membrane, the rolling pressure is 0.4kg, and the rotating speed is 0.7m / min, to obtain a porous nickel filter membrane of 0.15mm;

[0051] Step 4. The porous nickel filter membrane obtained in step 3 is placed in a hydrogen furnace for sintering, and kept at 1150° C. for ...

Embodiment 3

[0056] Spherical nickel powder with an average particle size of 30um is used, and the powder carrier is an alumina ceramic sheet to prepare a 0.12mm thick porous nickel filter membrane. According to the shrinkage rate, the required nickel powder layer thickness is estimated to be 0.42mm;

[0057] Step 1, using the above-mentioned device to lay a 0.42mm nickel powder layer on the powder-carrying sheet 6,

[0058] Step 2. Put the powder-carrying sheet 6 carrying the nickel powder layer in a hydrogen furnace for sintering, and keep it warm at 1150° C. for 2 hours, and remove the powder-carrying sheet 6 to obtain a preformed porous nickel filter membrane;

[0059] Step 3, rolling the preformed porous nickel filter membrane, the rolling pressure is 0.4kg, and the rotating speed is 0.7m / min, to obtain a porous nickel filter membrane of 0.18mm;

[0060] Step 4. The porous nickel filter membrane obtained in step 3 is placed in a hydrogen furnace for sintering, and kept at 1200° C. fo...

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Abstract

The invention discloses a device and method for preparing a porous nickel filter membrane, which comprises a support, on which a drum, a powder discharge device, a transition plate and a powder loading device are sequentially arranged, and the powder discharge device includes a powder tank, which is movably connected There is a push plate moving up and down along the powder cylinder, and the powder carrying device includes a connecting frame, and a powder carrying sheet is movably connected to the side plate of the connecting frame. The nickel powder layer is formed on the powder-carrying sheet, and it is directly peeled off from the powder-carrying sheet after sintering to form a single nickel film layer, which avoids the falling off of the film layer; the requirement for nickel powder is low, and it is suitable for mass production.

Description

technical field [0001] The invention belongs to the technical field of preparation methods of porous metal materials, relates to a device for preparing porous nickel filter membranes, and also relates to a method for preparing porous nickel filter membranes by using the device. Background technique [0002] Porous metal material is a new type of material that integrates structure and function, and is combined with skeleton structure and internal channels. It has the advantages of large specific surface area, high corrosion resistance, good strength, and low quality. Utilizing the through-holes and fluid-permeable pores of porous materials, it can be used for energy storage, filtration, catalysts, heat dissipation and shock absorption in new energy, petrochemical, environmental protection, aerospace and other fields. At present, porous materials are mainly used in the field of filtration and separation, and the filter materials widely used in industry are porous ceramic mater...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D39/20
CPCB01D39/2031B01D39/2034B01D2239/10
Inventor 冯基伟梁永仁丁辉王贤青吴引江
Owner 西安宝德九土新材料有限公司