CN114870503A - Porous oil fume filtering material and manufacturing method thereof - Google Patents
Porous oil fume filtering material and manufacturing method thereof Download PDFInfo
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- CN114870503A CN114870503A CN202210526884.9A CN202210526884A CN114870503A CN 114870503 A CN114870503 A CN 114870503A CN 202210526884 A CN202210526884 A CN 202210526884A CN 114870503 A CN114870503 A CN 114870503A
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- nickel
- layer
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- filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1669—Cellular material
- B01D39/1676—Cellular material of synthetic origin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a porous oil fume filtering material and a manufacturing method thereof, comprising the following steps of preparing a porous sponge matrix; plating a first layer of nickel on the surface of the porous sponge matrix; plating an iron layer on the outer surface of the first layer of nickel; plating a second layer of nickel on the outer surface of the iron layer; step five, sintering and reducing; step six, nickel plating; and seventhly, reducing to obtain the porous oil fume filtering material. According to the invention, iron raw materials are used for replacing most of nickel raw materials, so that the manufacturing cost of the existing porous oil fume filtering material is reduced, and meanwhile, the problem that an iron-plated layer is easily corroded due to the fact that pores are easily formed on the nickel surface during sintering is effectively solved through the last step of nickel plating.
Description
Technical Field
The invention relates to the field of materials, in particular to a porous oil fume filtering material and a manufacturing method thereof.
Background
In the field of kitchen oil fume purification, a stainless steel perforated net is usually adopted for preposed oil fume filtration and fire prevention, but the method has large wind resistance and very poor filtration effect, so that fire hazard exists in an oil fume pipeline, and oil fume particles are discharged in an overproof manner for a long time. Along with the gradual enhancement of atmospheric pollution control, an efficient preposed filtering and purifying material is urgently needed at present to ensure the environmental protection to reach the standard and eliminate the fire hazard.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and discloses a porous oil fume filtering material and a manufacturing method thereof. According to the invention, iron raw materials are used for replacing most of nickel raw materials, so that the manufacturing cost of the existing porous oil fume filtering material is reduced, meanwhile, the problem that pores are easy to appear on the nickel surface during sintering, so that an iron-plated layer is easy to corrode is effectively solved through the last step of nickel plating, and meanwhile, the interception and purification of high-efficiency oil fume particles are realized through the design of a three-dimensional gradient porous structure.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a method for manufacturing a porous oil fume filtering material comprises the following steps:
step one, preparing a porous sponge matrix;
plating a first layer of nickel on the surface of the porous sponge matrix;
plating an iron layer on the outer surface of the first layer of nickel;
plating a second layer of nickel on the outer surface of the iron layer;
step five, sintering and reducing;
step six, nickel plating;
and seventhly, reducing to obtain the porous oil fume filtering material.
In a further improvement, in the first step, the porous sponge matrix is a porous polyurethane sponge or a polyether sponge.
In the second step, the first layer of nickel is plated by adopting a vacuum nickel plating or chemical nickel plating method.
In the third step, an iron layer is plated by adopting an electroplating method.
In a further improvement, in the fourth step, a second layer of nickel is plated by adopting an electroplating method.
In a further improvement, in the fifth step, the sintering reduction method comprises: sintering at the temperature of 500-.
In a further improvement, in the sixth step, electroplating nickel or chemical nickel plating is performed.
In the seventh step, the reduction method is to perform reduction sintering at the temperature of 800-.
A porous oil fume filtering material comprises an iron layer, wherein one side of the iron layer is plated with a first nickel layer, and the other side of the iron layer is plated with a second nickel layer.
In a further improvement, the thickness of the iron layer accounts for 50% -95% of the whole thickness of the porous lampblack filtering material.
The invention has the advantages that:
according to the invention, iron raw materials are used for replacing most of nickel raw materials, so that the manufacturing cost of the existing porous oil fume filtering material is reduced, meanwhile, the problem that pores are easy to appear on the nickel surface during sintering and an iron-plated layer is easy to corrode is effectively solved through the last step of nickel plating, meanwhile, the fire hazard caused by oil accumulation in a flue is avoided by adopting the design of a three-dimensional gradient porous structure, the interception and purification of high-efficiency oil fume particles are realized, and the environment-friendly normalized up-to-standard emission is realized through the high-efficiency purification rate.
Detailed Description
Example 1
A method for manufacturing a porous oil fume filtering material comprises the following steps:
step one, preparing porous polyurethane sponge;
plating a first layer of nickel by adopting a vacuum nickel plating or chemical nickel plating method;
plating an iron layer on the outer surface of the first layer of nickel by adopting an electroplating method;
plating a second layer of nickel on the outer surface of the iron layer by adopting an electroplating method;
step five, sintering and reducing: sintering at 500 ℃ to remove the porous sponge matrix;
step six, electroplating nickel;
step seven, reduction: and reducing at 900 ℃ for 20min in a hydrogen atmosphere to obtain the porous oil fume filtering material. Wherein, the thickness of the iron layer accounts for 50% of the whole thickness of the porous oil fume filtering material.
And step eight, performing edge sealing and packaging on the porous lampblack filtering material.
Example 2
A method for manufacturing a porous oil fume filtering material comprises the following steps:
step one, preparing porous polyurethane sponge;
plating a first layer of nickel by adopting a vacuum nickel plating or chemical nickel plating method;
plating an iron layer on the outer surface of the first layer of nickel by adopting an electroplating method;
plating a second layer of nickel on the outer surface of the iron layer by adopting an electroplating method;
step five, sintering and reducing: sintering at 700 ℃ to remove the porous sponge matrix;
step six, chemical nickel plating;
step seven, reduction: and reducing at 900 ℃ for 60min in a hydrogen atmosphere to obtain the porous oil fume filtering material. Wherein, the thickness of the iron layer accounts for 90% of the whole thickness of the porous oil fume filtering material.
And step eight, sealing and packaging the porous lampblack filtering material.
The invention uses iron to replace most of nickel raw materials, thereby effectively reducing the manufacturing cost of the existing porous oil fume filtering material. And in the fifth step, the sponge combustion can cause gas to flush outwards during sintering, the nickel layer can have a plurality of micropores, so that the iron layer is easy to rust when meeting water, and the nickel plating is performed again in the sixth step to protect the iron layer.
The product of the embodiment of the invention has the following performance differences from the existing product:
the above examples are merely preferred examples and are not intended to limit the embodiments of the present invention.
Claims (10)
1. The preparation method of the porous oil fume filtering material is characterized by comprising the following steps:
step one, preparing a porous sponge matrix;
plating a first layer of nickel on the surface of the porous sponge matrix;
plating an iron layer on the outer surface of the first layer of nickel;
plating a second layer of nickel on the outer surface of the iron layer;
step five, sintering and reducing;
step six, nickel plating;
and seventhly, reducing to obtain the porous oil fume filtering material.
2. The method for making a porous soot filter material of claim 1, wherein in said first step, said porous sponge matrix is a porous polyurethane sponge or a polyether sponge.
3. The method for manufacturing the porous soot filter material of claim 1, wherein in the second step, the first layer of nickel is plated by vacuum nickel plating or chemical nickel plating.
4. The method for manufacturing the porous soot filter material of claim 1, wherein in the third step, an iron layer is plated by electroplating.
5. The method for manufacturing the porous soot filter material of claim 1, wherein in the fourth step, the second layer of nickel is plated by electroplating.
6. The method for manufacturing the porous soot filter material of claim 1, wherein in the fifth step, the sintering reduction method comprises: sintering at the temperature of 500-.
7. The method for manufacturing the porous soot filter material of claim 1, wherein in the sixth step, electroplating nickel or chemical nickel plating is performed.
8. The method for manufacturing the porous soot filter material as claimed in claim 1, wherein in the seventh step, the reduction method is to perform reduction sintering at a temperature of 800-.
9. A porous oil fume filtering material is characterized by comprising an iron layer, wherein one side of the iron layer is plated with a first nickel layer, and the other side of the iron layer is plated with a second nickel layer.
10. The porous soot filtering material of claim 9, wherein said iron layer has a thickness of 50-95% of the overall thickness of the porous soot filtering material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526884.9A CN114870503A (en) | 2022-05-13 | 2022-05-13 | Porous oil fume filtering material and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210526884.9A CN114870503A (en) | 2022-05-13 | 2022-05-13 | Porous oil fume filtering material and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114870503A true CN114870503A (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210526884.9A Pending CN114870503A (en) | 2022-05-13 | 2022-05-13 | Porous oil fume filtering material and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN114870503A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355097A (en) * | 2000-11-30 | 2002-06-26 | 北京有色金属研究总院 | Composite foam metal and its preparing process |
| CN101818367A (en) * | 2010-04-23 | 2010-09-01 | 常德力元新材料有限责任公司 | Porous metal material and preparation method thereof |
| CN102634824A (en) * | 2011-02-11 | 2012-08-15 | 高丽亚铅株式会社 | Foam iron and manufacturing method thereof |
| CN105220114A (en) * | 2015-10-01 | 2016-01-06 | 无棣向上机械设计服务有限公司 | Metal composite and preparation method thereof |
| CN111705310A (en) * | 2020-05-19 | 2020-09-25 | 中南大学 | Preparation method of composite metal coating foam metal material |
-
2022
- 2022-05-13 CN CN202210526884.9A patent/CN114870503A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355097A (en) * | 2000-11-30 | 2002-06-26 | 北京有色金属研究总院 | Composite foam metal and its preparing process |
| CN101818367A (en) * | 2010-04-23 | 2010-09-01 | 常德力元新材料有限责任公司 | Porous metal material and preparation method thereof |
| CN102634824A (en) * | 2011-02-11 | 2012-08-15 | 高丽亚铅株式会社 | Foam iron and manufacturing method thereof |
| CN105220114A (en) * | 2015-10-01 | 2016-01-06 | 无棣向上机械设计服务有限公司 | Metal composite and preparation method thereof |
| CN111705310A (en) * | 2020-05-19 | 2020-09-25 | 中南大学 | Preparation method of composite metal coating foam metal material |
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