CN106757237A - A kind of filtering oil smoke preparation method of porous foam alloy material - Google Patents
A kind of filtering oil smoke preparation method of porous foam alloy material Download PDFInfo
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- CN106757237A CN106757237A CN201510819997.8A CN201510819997A CN106757237A CN 106757237 A CN106757237 A CN 106757237A CN 201510819997 A CN201510819997 A CN 201510819997A CN 106757237 A CN106757237 A CN 106757237A
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Abstract
--- electric deposition nickel ferroalloy --- heat treatment --- electrodeposited chromium --- heat treatment the invention provides a kind of filtering oil smoke preparation method of porous foam alloy material, including sponge substrate conducting.Preparation method of the invention, process is simple, preparation cost is low.The porous foam alloy material prepared using the inventive method, with more uniform pore structure, decay resistance higher and tensile strength, for filtering oil smoke field, can effectively solve the absorption of greasy dirt and reclaim, and effectively facilitate the circulation of air.
Description
Technical field
The present invention relates to a kind of preparation method of porous foam alloy material, more particularly to a kind of filtering oil smoke preparation method of porous foam alloy material.
Background technology
Foam metal material, with larger specific surface area and lighter mass density, while also having finer and close pore structure, possesses good permeability and greasy dirt absorption property due to tridimensional network.With the unordered discharge of existing socially major restaurants and homestead kitchen fume, serious pollution is caused to air, so far, both at home and abroad also without most suitable handling process, complete absorption and filtering can be carried out to kitchen lampblack, existing smoke exhaust ventilator is only limitted to the recovery of the extraction and oil droplet to oil smoke, when oil droplet is formed it is a certain amount of when, the pollution for causing environment will be overflowed.
The content of the invention
The present invention is intended to provide a kind of preparation method of porous foam alloy material for filtering oil smoke.
The present invention is realized by following scheme：
A kind of filtering oil smoke preparation method of porous foam alloy material, it is characterised in that comprise the following steps：
（1）Sponge substrate conducting：Using the one kind in conventional physical vaporous deposition, electroless plating method, coating conducting resinl method, conducting is carried out in polyurethane cellular sponge surface deposition nickel；
（2）Electric deposition nickel ferroalloy：Sponge substrate after conducting is carried out the electro-deposition of nickel and iron through pulse current, 50-200g/m2 dilvals are electroplated on mandruka matrix；
（3）Material after electric deposition nickel ferroalloy is placed in annealing device, after material burns sponge substrate at 300~500 DEG C first, then reductive heat treatment is carried out at 800~1200 DEG C and in the reduction apparatus with protective atmosphere, foam dilval matrix is obtained；
（4）By through the foam dilval matrix after Overheating Treatment, by electrodeposition technology electro-deposition layers of chrome, dilval matrix surface electroplates 50-100g/m2 chromium；
（5）Material after chromium plating is placed in temperature for 500~800 DEG C, vacuum are 0.8 × 10-2~1.5 × 10-2Processed in the vacuum heat treatment device of Pa, process time 30-80min.
The aperture of the polyurethane cellular sponge is 100-300um, and thickness is 1.0-3.0mm, and percent opening is 50-80%.
The technique of the electric deposition nickel ferroalloy is：Nickel sulfate 150-200g/L, nickel chloride 30-40g/L, boric acid 30-40g/L, ferrous sulfate 80-150g/L, frerrous chloride 15-30g/L, sodium citrate 5-10g/L, pH3.5-4.5, saccharin sodium 0.01-0.05g/L, ferronickel anode ratio（1-2.0）：（0.8-1.5）, 45-55 DEG C of temperature, current density 2.0-4.5A/dm2, metal deposition capability is 50-100g/m2, and ferronickel metallic element ratio is (10-30%):(70-90%).
The technique of the electrodeposited chromium is：200~300g/L of chromic anhydride, 2.0~3.8ml/L of sulfuric acid, 50~60 DEG C of temperature, 0 15~30A/dm2 of current density, Tin Free Steel 50-100g/m2.
Compared with prior art, advantages of the present invention is embodied in：
1. the method for the present invention, process is simple, it is easy to accomplish large-scale production.
2. nickel foam-fe-cr alloy the material for being prepared using the inventive method, with more uniform crystal structure, effectively enhance the compactness and intensity of foam interior hole connection structure, improve the corrosion resistance of material, increase effectively the specific surface area of foam porous material, the tensile strength of material is set effectively to strengthen simultaneously, the need for more meeting kitchen lampblack treatment.
Brief description of the drawings
The adsorption rate of foamed alloy material prepared by the method for Fig. 1 embodiments 1 to oil smoke
Foamed alloy material corrosion resistance prepared by the method for Fig. 2 embodiments 1.
Specific embodiment
The invention will be further described with reference to embodiments, but the invention is not limited in the statement of embodiment.
Embodiment
1
A kind of filtering oil smoke preparation method of porous foam alloy material, comprises the following steps：
（1）Sponge substrate conducting：It is 100um in aperture using conventional physical vaporous deposition, thickness is 1.0mm, percent opening is that 50% polyurethane cellular sponge surface deposition nickel carries out conducting；
（2）Electric deposition nickel ferroalloy：Sponge substrate after conducting is carried out the electro-deposition of nickel and iron through pulse current, 50g/m2 dilvals are electroplated on mandruka matrix；The technique of electric deposition nickel ferroalloy is：Nickel sulfate 150g/L, nickel chloride 30g/L, boric acid 30g/L, ferrous sulfate 80g/L, frerrous chloride 15g/L, sodium citrate 5g/L, pH3.5, saccharin sodium 0.01g/L, ferronickel anode ratio（1）：（0.8）, temperature 45 C, current density 2.0A/dm2, metal deposition capability is 50g/m2, and ferronickel metallic element ratio is (10%):(70%)；
（3）Material after electric deposition nickel ferroalloy is placed in annealing device, after material burns sponge substrate at 300 DEG C first, then reductive heat treatment is carried out at 800 DEG C and in the reduction apparatus with protective atmosphere, foam dilval matrix is obtained；
（4）By through the foam dilval matrix after Overheating Treatment, by electrodeposition technology electro-deposition layers of chrome, dilval matrix surface electroplates 50g/m2 chromium；The technique of electrodeposited chromium is：Chromic anhydride 200g/L, sulfuric acid 2.0ml/L, temperature 50 C, 0 current density 15A/dm2, Tin Free Steel 50g/m2.
（5）Material after chromium plating is placed in temperature for 500 DEG C, vacuum are 0.8 × 10-2Processed in the vacuum heat treatment device of Pa, process time 30min obtains final product filtering oil smoke porous foam alloy material.
Filtering oil smoke porous foam alloy material prepared by detection embodiment 1 method, adsorption rate to oil smoke is as shown in Figure 1, decay resistance is as shown in Figure 2, it is evident that from Fig. 1 and Fig. 2, nickel foam-fe-cr alloy the material prepared using the inventive method, with more uniform crystal structure, effectively enhance the compactness and intensity of foam interior hole connection structure, improve the corrosion resistance of material, increase effectively the specific surface area of foam porous material, the tensile strength of material is set effectively to strengthen simultaneously, the need for more meeting kitchen lampblack treatment.
Embodiment
2
A kind of filtering oil smoke preparation method of porous foam alloy material, comprises the following steps：
（1）Sponge substrate conducting：It is 200um in aperture using conventional physical vaporous deposition, thickness is 2.0mm, percent opening is that 60% polyurethane cellular sponge surface deposition nickel carries out conducting；
（2）Electric deposition nickel ferroalloy：Sponge substrate after conducting is carried out the electro-deposition of nickel and iron through pulse current, 100g/m2 dilvals are electroplated on mandruka matrix；The technique of electric deposition nickel ferroalloy is：Nickel sulfate 180g/L, nickel chloride 35g/L, boric acid 35g/L, ferrous sulfate 100g/L, frerrous chloride 20g/L, sodium citrate 7g/L, pH4.0, saccharin sodium 0.03g/L, ferronickel anode ratio（1.5）：（1.0）, temperature 50 C, current density 3.5A/dm2, metal deposition capability is 80g/m2, and ferronickel metallic element ratio is (20%):(80%)；
（3）Material after electric deposition nickel ferroalloy is placed in annealing device, after material burns sponge substrate at 400 DEG C first, then reductive heat treatment is carried out at 1000 DEG C and in the reduction apparatus with protective atmosphere, foam dilval matrix is obtained；
（4）By through the foam dilval matrix after Overheating Treatment, by electrodeposition technology electro-deposition layers of chrome, dilval matrix surface electroplates 80g/m2 chromium；The technique of electrodeposited chromium is：Chromic anhydride 250g/L, sulfuric acid 3.0ml/L, 55 DEG C of temperature, 0 current density 20A/dm2, Tin Free Steel 80g/m2.
（5）Material after chromium plating is placed in temperature for 650 DEG C, vacuum are 1.0 × 10-2Processed in the vacuum heat treatment device of Pa, process time 50min obtains final product filtering oil smoke porous foam alloy material.
Embodiment
3
A kind of filtering oil smoke preparation method of porous foam alloy material, comprises the following steps：
（1）Sponge substrate conducting：It is 300um in aperture using conventional physical vaporous deposition, thickness is 3.0mm, percent opening is that 80% polyurethane cellular sponge surface deposition nickel carries out conducting；
（2）Electric deposition nickel ferroalloy：Sponge substrate after conducting is carried out the electro-deposition of nickel and iron through pulse current, 200g/m2 dilvals are electroplated on mandruka matrix；The technique of electric deposition nickel ferroalloy is：Nickel sulfate 200g/L, nickel chloride 40g/L, boric acid 40g/L, ferrous sulfate 150g/L, frerrous chloride 30g/L, sodium citrate 10g/L, pH4.5, saccharin sodium 0.05g/L, ferronickel anode ratio（2.0）：（1.5）, 55 DEG C of temperature, current density 4.5A/dm2, metal deposition capability is 100g/m2, and ferronickel metallic element ratio is (30%):(90%).
（3）Material after electric deposition nickel ferroalloy is placed in annealing device, after material burns sponge substrate at 500 DEG C first, then reductive heat treatment is carried out at 1200 DEG C and in the reduction apparatus with protective atmosphere, foam dilval matrix is obtained；
（4）By through the foam dilval matrix after Overheating Treatment, by electrodeposition technology electro-deposition layers of chrome, dilval matrix surface electroplates 100g/m2 chromium；The technique of electrodeposited chromium is：Chromic anhydride 300g/L, sulfuric acid 3.8ml/L, temperature 60 C, 0 current density 30A/dm2, Tin Free Steel 100g/m2.
（5）Material after chromium plating is placed in temperature for 800 DEG C, vacuum are 1.5 × 10-2Processed in the vacuum heat treatment device of Pa, process time 80min obtains final product filtering oil smoke porous foam alloy material.
Claims (4)
1. a kind of filtering oil smoke preparation method of porous foam alloy material, it is characterised in that comprise the following steps：
（1）Sponge substrate conducting：Using the one kind in conventional physical vaporous deposition, electroless plating method, coating conducting resinl method, conducting is carried out in polyurethane cellular sponge surface deposition nickel；
（2）Electric deposition nickel ferroalloy：Sponge substrate after conducting is carried out the electro-deposition of nickel and iron through pulse current, 50-200g/m2 dilvals are electroplated on mandruka matrix；
（3）Material after electric deposition nickel ferroalloy is placed in annealing device, after material burns sponge substrate at 300~500 DEG C first, then reductive heat treatment is carried out at 800~1200 DEG C and in the reduction apparatus with protective atmosphere, foam dilval matrix is obtained；
（4）By through the foam dilval matrix after Overheating Treatment, by electrodeposition technology electro-deposition layers of chrome, dilval matrix surface electroplates 50-100g/m2 chromium；
（5）Material after chromium plating is placed in temperature for 500~800 DEG C, vacuum are 0.8 × 10-2~1.5 × 10-2Processed in the vacuum heat treatment device of Pa, process time 30-80min.
2. the filtering oil smoke as claimed in claim 1 preparation method of porous foam alloy material, it is characterised in that the aperture of the polyurethane cellular sponge is 100-300um, and thickness is 1.0-3.0mm, and percent opening is 50-80%.
3. the filtering oil smoke as claimed in claim 1 or 2 preparation method of porous foam alloy material, it is characterised in that the technique of the electric deposition nickel ferroalloy is：Nickel sulfate 150-200g/L, nickel chloride 30-40g/L, boric acid 30-40g/L, ferrous sulfate 80-150g/L, frerrous chloride 15-30g/L, sodium citrate 5-10g/L, pH3.5-4.5, saccharin sodium 0.01-0.05g/L, ferronickel anode ratio（1-2.0）：（0.8-1.5）, 45-55 DEG C of temperature, current density 2.0-4.5A/dm2, metal deposition capability is 50-100g/m2, and ferronickel metallic element ratio is (10-30%):(70-90%).
4. the filtering oil smoke as claimed in claim 1 or 2 preparation method of porous foam alloy material, it is characterised in that：The technique of the electrodeposited chromium is：200~300g/L of chromic anhydride, 2.0~3.8ml/L of sulfuric acid, 50~60 DEG C of temperature, 0 15~30A/dm2 of current density, Tin Free Steel 50-100g/m2.
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| CN201510819997.8A CN106757237A (en) | 2015-11-24 | 2015-11-24 | A kind of filtering oil smoke preparation method of porous foam alloy material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512246A (en) * | 2019-09-29 | 2019-11-29 | 太仓陶氏电气有限公司 | A kind of preparation process of the foam metal for cooling electronic component system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512246A (en) * | 2019-09-29 | 2019-11-29 | 太仓陶氏电气有限公司 | A kind of preparation process of the foam metal for cooling electronic component system |
| CN110512246B (en) * | 2019-09-29 | 2020-11-03 | 太仓陶氏电气有限公司 | Preparation process of foam metal for electronic component heat dissipation system |
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