CN104785773B - Surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder and manufacture method thereof - Google Patents
Surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder and manufacture method thereof Download PDFInfo
- Publication number
- CN104785773B CN104785773B CN201510148407.3A CN201510148407A CN104785773B CN 104785773 B CN104785773 B CN 104785773B CN 201510148407 A CN201510148407 A CN 201510148407A CN 104785773 B CN104785773 B CN 104785773B
- Authority
- CN
- China
- Prior art keywords
- powder
- nano
- hours
- graphite
- dilute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
A kind of surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder and manufacture method thereof；It is made up of the dilute powder of nano-graphite, superfine iron powder, yittrium oxide, cerium oxide powder, neutral zirconia sol, light magnesium oxide powder, nickel 50% evanohm powder component, first put Ceramic Balls mixing to amount to 48 hours, deep cooling 196 degree 48 hours again, reheating is 200 degree of destressings in 12 hours, make superfine iron powder forming part semi-amorphous body material, this powder cladding process will not crack, more preferably formed and netted allow nano-graphite is dilute gives full play to thermal conductivity, powder material adds resin 10-15% after deep cooling heats, then adds ethanol 5 15% stirring 13 hours.The present invention is than 316 rustless steels more resistant to rotten friction durability more than five times, and hardness is higher, and toughness is more preferable, and the bond strength of coating is high, hardness is high, and stress is little, indeformable in high temperature cladding, do not take off, closeer after surface cladding.
Description
Technical field
The present invention relates to large coal-fired power plant pre-for manufacturing drum, burner, water-cooling wall superheater, economizer, air
The core component of hot device, reheater etc., it is possible to be widely used in the work piece production materials such as petrochemical industry anticorrosive anti-wear pipe, particularly one
Plant heat superconducting nano-graphene alloyed powder and manufacture method thereof.
Background technology
The cooler that coal-burning power plant uses at present is all light pipe or fin tube type economizer, and shortcoming is: 1) light pipe or fin
Tubular type economizer is used mostly welding and is wound around fin or tube expansion fin, is easily separated from generation gap between fin and pipe, and this will lead
Causing fin root thermal resistance relatively big, corrosion rate is accelerated, thus affects heat-transfer effect.Tubular type regenerator compactness is low, exchange capability of heat
Difference, efficiency is low, needs to consume substantial amounts of tubing, and floor space is big, and production cost is high, and in finned tube side, due to medium
Being perpendicular contact with heat exchanger tube, cause flow resistance to increase, easy dust stratification (or fouling) easily corrodes by steam flush, affects regenerator
Life-span.2) the easy dust stratification of fin-tube heat exchanger structure.Owing to heat exchanger uses tubular structure, flue gas is vertical with pipe
Contact, this certainly will cause fume side resistance drop to strengthen, and fin and tube wall all easily dust stratification.3) heat exchanger is due to low temperature dew
The impact of some acid corrosion, may cause heat exchanger tube fast erosion to affect safe operation of power plant.The economizer of onsite application at present
Life-span the shortest for 3 months, the longest less than 3 years.
In order to solve economizer acid corrosion-resistant problem, most of producers use ND steel or No. 20 steel pipe upper surface enamel sprayings
Material, although but use ND steel can extend cooler life-span some months or one or two years, but can't resolve root problem.?
Tube-surface spraying ceramic materials, can solve the life problems of cooler, but the coefficient of heat transfer of ceramic material is extremely low, only 1 W/
(m k) left and right, have impact on the heat transfer property of cooler.
Summary of the invention
Present invention aim to solve problem above, it is provided that a kind of surface spray fusing anticorrosive anti-wear heat superconducting nano-graphite
Alkene alloyed powder and manufacture method thereof；Cold spraying methods coating is combined with high-frequency heated cladding surface, makes workpiece substrate life；Energy
Resistance to 30% sulphuric acid, heat conduction acceleration, can anticorrosive anti-wear.
The technical scheme is that and be achieved in that:
A kind of surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder, composition is by the dilute powder of nano-graphite, ultra-fine ferrum
Powder, yittrium oxide, cerium oxide powder, neutral zirconia sol, light magnesium oxide powder, nickel 50% evanohm powder component composition, respectively
Component accounts for:
(1) nano-graphite dilute powder 10-30nm 5-20%
(2) superfine iron powder 2-5um 50-60%
(3) yittrium oxide 5um 1-6%
(4) cerium oxide powder 20-35um 1-5%
(5) neutral zirconia sol 5um 5-15%
(6) light magnesium oxide powder 5um 5-13%
(7) nickel 50% evanohm powder 15--25%
(8) ethanol 5-15%
The manufacture method of a kind of surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder, the steps include:
1), by molten to the dilute powder of nano-graphite of above-mentioned component, superfine iron powder, yittrium oxide, cerium oxide powder, neutral zirconium dioxide
Glue, light magnesium oxide powder, nickel 50% evanohm powder, ethanol put Ceramic Balls mixing, and rotating speed 60-120 per minute turns, and rotates forward 6 hours,
Invert 6 hours, keep powder material 30 degree, mixing to amount to 48 hours, then deep cooling-196 spends 48 hours, make superfine iron powder at-196 degree
Fission is formed semi-amorphous, and reheating is 200 degree of destressings in 12 hours, and cold and hot process removes stress, makes superfine iron powder forming part
Semi-amorphous body material, powder material adds resin 10-15% after deep cooling heats, then adds ethanol 5-15% stirring 13 hours.
2), inspection warehouse-in.
Beneficial effects of the present invention: anticorrosive anti-wear heat superconducting nano-graphene alloyed powder of the present invention, cold spraying methods coating with
High-frequency heated cladding surface combines, and makes workpiece substrate life；Being resistant to 30% sulphuric acid, heat conduction is accelerated, and anticorrosive anti-wear is rustless steel
More than 5 times.The present invention is than 316 rustless steels more resistant to rotten friction durability more than five times, and hardness is higher, and toughness is more preferable, the combination of coating
Intensity is high, hardness high, and stress is little, indeformable in high temperature cladding, do not take off, and closeer after surface cladding, power plant uses the present invention
Material more energy-conserving and environment-protective.
Detailed description of the invention
A kind of surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder and manufacture method thereof:
1) ceramic pot, Ceramic Balls, tank inner surface are cleaned up, as the special powder body of Frequency Surface cladding, powder fusing point
960-1280 degree.Invention vital point is that iron powder is the most acidproof, is modified as being resistant to 30% sulphuric acid, and heat conduction is accelerated, and anticorrosive anti-wear is stainless
Steel more than 5 times.
2) cladding material is prepared with nano-graphite dilute alloy-layer powder: heat superconducting nano-graphite dilute alloy coat composition is nanometer
The dilute powder of graphite, superfine iron powder, yittrium oxide, neutral zirconia sol, nickel 50% evanohm powder, light magnesium oxide, cerium oxide powder,
Resin, ethanol.Carry out deep cooling-96 degree after mixing up material, after 48 hours, form another kind of new material；Key point is deep cooling-96
Degree gradient temperature change, this material forms nano-graphite dilute non-crystaline amorphous metal network structure at high temperature cladding process, and heat-transfer rate is fast,
Hardness is high, flawless, and in the temperature of gas, thermal conductance speed is faster, resistance to 30% sulphuric acid, resistance to erosion.Anticorrosive anti-wear superconduction of the present invention
Hot nano-graphene alloyed powder, cold spraying methods coating is combined with high-frequency heated cladding surface, makes workpiece substrate life.
3) powder material surface performance after spray fusing:
A) at steel tube surface spray fusing heat superconducting graphite dilute alloyed powder acid and alkali-resistance, its heat conductivity is up to 30 W/(m k) left
Right；
B) board-like economizer heating surface is all made up of, than plate-fin or shell the one-time surface directly participating in heat exchange
Formula structure more can effectively utilize material and space, and therefore heat exchange efficiency is high, and its heat transfer coefficient reaches 80 W/(m2 k), steel are used
Amount reduction by 50%；C) economizer is difficult to dust stratification or fouling and good effect of heat exchange, can arbitrarily form cascaded structure；D) modular is used
Core unit structure, it is simple to produce, assemble and regulate, has the strongest integration and the advantage of maintenance simplicity；E) board-like economizer
More than 10 years life-span；
F) spray fusing bond strength 230mpa, hardness is hv1200；
G) this invention material is washed away at 80-150 degree, resistance to 30% sulphuric acid, resistance to steam, saves coal, example: 2 groups than enamel pipe, plate
300000 kilowatts, Theoretical Calculation saves coal 35770-38000 ton every year, reduces sulfur dioxide (SO2) emissions, and there is thousand of 30-200 ten thousand in the whole nation
KW generator group.
4) inspection warehouse-in.
Embodiment 1:
One, surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder composition by the dilute powder of nano-graphite, superfine iron powder,
Yittrium oxide, cerium oxide powder, neutral zirconia sol, light magnesium oxide powder, nickel 50% evanohm powder component composition, the most each group
Part accounts for:
(1) nano-graphite dilute powder 10-30nm 5%
(2) superfine iron powder 2-5um 60%
(3) yittrium oxide 5um 3%
(4) cerium oxide powder 20-35um 2%
(5) neutral zirconia sol 5um 5%
(6) light magnesium oxide powder 5um 5%
(7) nickel 50% evanohm powder 15%
(8) ethanol 5%
Two, the manufacture method of surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder: the steps include:
1, by the dilute powder of nano-graphite of above-mentioned component, superfine iron powder, yittrium oxide, cerium oxide powder, neutral zirconia sol,
Light magnesium oxide powder, nickel 50% evanohm powder, ethanol put Ceramic Balls mixing, and rotating speed 60-120 per minute turns, and rotates forward 6 hours, reversion
6 hours, mixing amounted to 48 hours, kept powder material 30 degree, then deep cooling-196 spends 48 hours, made superfine iron powder in-196 degree fissions
Being formed semi-amorphous, reheating is 200 degree of destressings in 12 hours, and cold and hot process removes stress, makes superfine iron powder forming part half non-
Crystalline material, this powder cladding process will not crack, and more preferably forms the netted dilute thermal conductivity that gives full play to of nano-graphite that allows, powder
Material adds resin 10-15% after deep cooling heats, then adds ethanol 5-15% stirring 13 hours.
2, inspection warehouse-in.
Embodiment 2:
One, surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder composition by the dilute powder of nano-graphite, superfine iron powder,
Yittrium oxide, cerium oxide powder, neutral zirconia sol, light magnesium oxide powder, nickel 50% evanohm powder component composition, the most each group
Part accounts for:
(1) nano-graphite dilute powder 10-30nm 10%
(2) superfine iron powder 2-5um 50%
(3) yittrium oxide 5um 2 %
(4) cerium oxide powder 20-35um 1%
(5) neutral zirconia sol 5um 7%
(6) light magnesium oxide powder 5um 5%
(7) nickel 50% evanohm powder 20%
(8) ethanol 5%
Two, the manufacture method of surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder: the steps include:
With embodiment 1
Embodiment 3:
One, surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder composition by the dilute powder of nano-graphite, superfine iron powder,
Yittrium oxide, cerium oxide powder, neutral zirconia sol, light magnesium oxide powder, nickel 50% evanohm powder component composition, the most each group
Part accounts for:
(1) nano-graphite dilute powder 10-30nm 15%
(2) superfine iron powder 2-5um 50%
(3) yittrium oxide 5um 1 %
(4) cerium oxide powder 20-35um 1%
(5) neutral zirconia sol 5um 5%
(6) light magnesium oxide powder 5um 5%
(7) nickel 50% evanohm powder 18%
(8) ethanol 5%
Two, the manufacture method of surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder: its step is with embodiment 1.
Claims (2)
1. a surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder, it is characterised in that: composition is dilute by nano-graphite
Powder, superfine iron powder, yittrium oxide, cerium oxide powder, neutral zirconia sol, light magnesium oxide powder, nickel 50% evanohm powder component group
Becoming, wherein each component accounts for:
(1) nano-graphite dilute powder 10-30nm 5-20%
(2) superfine iron powder 2-5um 50-60%
(3) yittrium oxide 5um 1-6%
(4) cerium oxide powder 20-35um 1-5%
(5) neutral zirconia sol 5um 5-15%
(6) light magnesium oxide powder 5um 5-13%
(7) nickel 50% evanohm powder 15-25%
(8) ethanol 5-15%.
2. a manufacture method for surface as claimed in claim 1 spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder,
The steps include:
1), by the dilute powder of nano-graphite of component described in claim 1, superfine iron powder, yittrium oxide, cerium oxide powder, neutral titanium dioxide
Zirconium colloidal sol, light magnesium oxide powder, nickel 50% evanohm powder, ethanol put Ceramic Balls mixing, and rotating speed 60-120 per minute turns, and rotate forward 6 little
Time, invert 6 hours, keep powder material 30 degree, mixing amount to 48 hours, then deep cooling-196 spend 48 hours, make superfine iron powder-
196 degree of fissions are formed semi-amorphous, and reheating is 200 degree of destressings in 12 hours, and cold and hot process removes stress, makes superfine iron powder be formed
Part semi-amorphous body material, powder material adds resin 10-15% after deep cooling heats, then adds ethanol 5-15% stirring 13 hours；
2), inspection warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148407.3A CN104785773B (en) | 2015-03-30 | 2015-03-30 | Surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148407.3A CN104785773B (en) | 2015-03-30 | 2015-03-30 | Surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104785773A CN104785773A (en) | 2015-07-22 |
| CN104785773B true CN104785773B (en) | 2016-10-26 |
Family
ID=53551208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510148407.3A Expired - Fee Related CN104785773B (en) | 2015-03-30 | 2015-03-30 | Surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104785773B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543762A (en) * | 2015-12-28 | 2016-05-04 | 韩功篑 | High-strength environment-friendly wear-resistant coating for inner wall of internal combustion engine cylinder and preparation method of coating |
| CN106312368A (en) * | 2016-09-18 | 2017-01-11 | 安徽克里斯特新材料有限公司 | Fe-based graphene thermal spraying composite welding wire and preparation method thereof |
| CN106270936A (en) * | 2016-09-18 | 2017-01-04 | 安徽克里斯特新材料有限公司 | Pressure roller roll surface Gas Shielded welding method based on Graphene composite powder solder |
| CN106238963A (en) * | 2016-09-18 | 2016-12-21 | 安徽克里斯特新材料有限公司 | A kind of Modified Iron base Graphene composite solder and preparation method thereof |
| CN106270926A (en) * | 2016-09-18 | 2017-01-04 | 安徽克里斯特新材料有限公司 | Pressure roller roll surface open arc overlaying method based on Metal Substrate Graphene composite solder |
| CN106312249A (en) * | 2016-09-18 | 2017-01-11 | 安徽克里斯特新材料有限公司 | Compression roller surface open arc overlaying method based on modified Fe-based graphene composite solder |
| CN106312244A (en) * | 2016-09-18 | 2017-01-11 | 安徽克里斯特新材料有限公司 | Compression roller surface open arc overlaying method based on Fe-based graphene composite solder |
| CN106271227A (en) * | 2016-09-18 | 2017-01-04 | 安徽克里斯特新材料有限公司 | A kind of Modified Iron base Graphene thermal spraying combined wire and preparation method thereof |
| CN106271210A (en) * | 2016-09-18 | 2017-01-04 | 安徽克里斯特新材料有限公司 | A kind of iron-based Graphene built-up welding composite solder and preparation method thereof |
| CN106346114A (en) * | 2016-09-18 | 2017-01-25 | 安徽克里斯特新材料有限公司 | Press roller surface gas shielded surfacing process based on modified Fe-based graphene composite solder |
| CN108546948B (en) * | 2018-05-22 | 2019-11-01 | 中北大学 | A kind of medium carbon steel surface high-performance coat and preparation method thereof |
| CN110565099B (en) * | 2019-09-03 | 2021-03-02 | 本溪陆甲科技有限公司 | Double protective agent for corrosion of chromium-plated hydraulic part in water-glycol hydraulic system |
| CN111154959A (en) * | 2020-01-13 | 2020-05-15 | 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 | Preparation method and application of amorphous coating |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0739991B1 (en) * | 1995-04-25 | 2000-11-29 | Kawasaki Steel Corporation | Iron-base powder mixture for powder metallurgy and manufacturing method therefor |
| CN101710512B (en) * | 2009-11-20 | 2011-09-14 | 哈尔滨工程大学 | Composite material of graphene and carbon-encapsulated ferromagnetic nano metal and preparation method thereof |
| KR101337994B1 (en) * | 2010-04-14 | 2013-12-06 | 한국과학기술원 | Graphene/metal nanocomposite powder and method of manufacturing thereof |
| CN102500755B (en) * | 2011-11-03 | 2013-12-11 | 苏州大学 | Preparation method for graphene-supported metal nanoparticle compound |
| CN103586459B (en) * | 2013-11-09 | 2016-03-16 | 马鞍山成宏机械制造有限公司 | A kind of high rigidity super abrasive Powder metallurgy tool and preparation method thereof |
| CN103801686B (en) * | 2013-12-31 | 2016-08-17 | 深圳市国创新能源研究院 | A kind of graphene nanocomposite material and preparation method thereof |
-
2015
- 2015-03-30 CN CN201510148407.3A patent/CN104785773B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104785773A (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104785773B (en) | Surface spray fusing anticorrosive anti-wear heat superconducting nano-graphene alloyed powder and manufacture method thereof | |
| CN106091382A (en) | Gas-fired condensing boiler and heat-exchanger rig thereof | |
| CN206609337U (en) | Online auto-excitation type self-stabilization pipe heat exchanger snaking and enhanced heat exchange mechanism | |
| CN100494291C (en) | High temperature wear-resistant coating for metal surface, and its preparing method and using method | |
| CN107325827B (en) | Coke oven flue waste gas waste heat recovery device capable of simultaneously desulfurizing and denitrating | |
| CN107400522B (en) | Anti-coking high-efficiency coke oven flue waste gas waste heat recovery device | |
| CN208124955U (en) | Integral spiral finned tube | |
| CN101782344B (en) | Heat exchange tube with two reinforced surfaces | |
| CN202074557U (en) | Jet type air preheater with heat exchange tubes having same inlet and outlet temperature difference | |
| CN201351912Y (en) | Steam superheater | |
| CN106247808B (en) | Heating-furnace cogeneration system with vertical lower resistance heat pipe | |
| CN106705744B (en) | A kind of online auto-excitation type self-stabilization pipe heat exchanger snaking and reinforced heat exchanger | |
| CN204625576U (en) | A kind of Novel water cooling wall for coal gasifier | |
| CN101788238B (en) | Heat pipe, manufacture method and special equipment | |
| CN103245227B (en) | Flue gas waste heat recovery element and device capable of breaking through low temperature dew point | |
| CN206235022U (en) | Gas-fired condensing boiler and its heat-exchanger rig | |
| CN201628506U (en) | Anti-fall finned tube | |
| CN102252340B (en) | Jet and insert combined air pre-heater capable of realizing same inlet/outlet temperature difference of gas in heat exchange pipes | |
| CN205504952U (en) | Glass kiln exhaust -heat boiler manages box steam superheater | |
| CN104789272B (en) | A kind of novel water cooling wall for coal gasifier | |
| CN201666754U (en) | Heat pipe and manufacturing equipment | |
| CN206235023U (en) | Gas-fired condensing boiler | |
| Lianbo et al. | Analysis of flue gas deep waste heat recovery with cooperative flue gas pressure control for alkane dehydrogenation heating furnace | |
| CN106247807B (en) | Heating-furnace cogeneration system with vertical lower resistance heat pipe | |
| CN203810373U (en) | Glass lining heat pipe low-temperature coal economizer for deeply recovering smoke exhaust afterheat of power station boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190906 Address after: 211100 No. 739 Shengan Road, Binjiang Economic Development Zone, Jiangning District, Nanjing, Jiangsu. Patentee after: Nanjing Meirui Wear Resistant Material Technology Co.,Ltd. Address before: 243000 Anhui city in Ma'anshan Province, Huashan District No. 7 Hubei Road No. 106 Co-patentee before: Wu Lijun Patentee before: Dai Yazhou |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |