CN107012300A - A kind of Technology for Heating Processing of electric power bar - Google Patents
A kind of Technology for Heating Processing of electric power bar Download PDFInfo
- Publication number
- CN107012300A CN107012300A CN201710222750.7A CN201710222750A CN107012300A CN 107012300 A CN107012300 A CN 107012300A CN 201710222750 A CN201710222750 A CN 201710222750A CN 107012300 A CN107012300 A CN 107012300A
- Authority
- CN
- China
- Prior art keywords
- electric power
- power bar
- heat treatment
- temperature
- clear water
- 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.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
The present invention relates to a kind of Technology for Heating Processing of electric power bar, it includes electric power bar carrying out acid washing phosphorization, washing, once grinding process, heat treatment, once cooling, secondary heat treatment and secondary cooling.Rationally, parameter setting is rigorous for process of the present invention, and product quality is high.
Description
Technical field
The present invention relates to a kind of Technology for Heating Processing, and in particular to a kind of Technology for Heating Processing of electric power bar.
Background technology
, largely there is process and set unreasonable, technological parameter collocation is unreasonable in existing electric power bar Technology for Heating Processing, and
It is higher to operator's skill requirement so that production cost is higher, product quality is relatively low.
The content of the invention
Goal of the invention：The invention aims to overcome not enough reasonable, the parameter there is provided a kind of process of the prior art
Rigorous, the Technology for Heating Processing of the high electric power bar of product quality is set.
Technical scheme：In order to solve the above-mentioned technical problem, the Technology for Heating Processing of a kind of electric power bar of the present invention, it is wrapped
Include following steps,
（1）Electric power bar is subjected to acid washing phosphorization；
（2）Electric power bar after pickling is washed；
（3）Electric power bar after washing is subjected to grinding process；
（4）Electric power bar after polishing is once heat-treated, heat treatment heating and temperature control is in 900-1000 DEG C, heat time
Control was at 150-220 minutes, and hardening media is the sodium chloride brine that mass percent concentration is 3.5%, and temperature control exists
700-800 DEG C, tempering time was controlled at 130-150 minutes；
（5）Electric power bar after being once heat-treated is put into a clear water cooling bay to be cooled down, the flowing of cooling bay clear water, temperature is kept
Degree control is at 30-40 DEG C；
（6）Electric power bar after once cooling down is subjected to secondary heat treatment, electric power bar is loaded in chemical heat treatment process stove in gas
Heated in body medium, and carry out gas carburizing, the temperature range of Carburization Treatment is controlled at 1200-1350 DEG C, dripped into carburizer
Fluid injection state is hydrocarbon or hydrocarbon oxide, and carburizing time is controlled 15-25 hour, and 1300 DEG C of furnace temperature holding is constant in the meantime, in stove
Stress control in 220-260Pa；
（7）Electric power bar after secondary heat treatment is put into secondary clear water cooling bay to be cooled down, the flowing of cooling bay clear water, temperature is kept
Degree control is at 20-30 DEG C.
Beneficial effect：Compared with prior art, its remarkable advantage is the present invention：Entirety process of the invention sets reasonable, respectively
Parameter collocation reasonable coordination, pickling speed is fast, and derusting is good, using grinding process, effectively removes the rubbish of remained on surface attachment
Rubbish, particulate matter, welding slag and splashing, by being once heat-treated, make it have higher-strength, plasticity and toughness, by a water cooling
But, deformation of products is effectively prevented, by secondary heat treatment, the intensity of electric power bar itself is further increased, stiffness, antifatigue strong
Degree, anti-yield strength, corrosion resistance, high-ductility and high tenacity, using secondary water cooling, further prevent deformation of products.
Embodiment
With reference to embodiment, the present invention is further illustrated.
Embodiment 1：
A kind of Technology for Heating Processing of electric power bar of the present invention, it comprises the following steps,
（1）Electric power bar is subjected to acid washing phosphorization；
（2）Electric power bar after pickling is washed；
（3）Electric power bar after washing is subjected to grinding process；
（4）Electric power bar after polishing is once heat-treated, heat treatment heating and temperature control is in 940 DEG C, heat time control
At 180 minutes, hardening media was the sodium chloride brine that mass percent concentration is 3.5%, and temperature is controlled at 720 DEG C, tempering
Time control was at 135 minutes；
（5）Electric power bar after being once heat-treated is put into a clear water cooling bay to be cooled down, the flowing of cooling bay clear water, temperature is kept
Degree control is at 35 DEG C；
（6）Electric power bar after once cooling down is subjected to secondary heat treatment, electric power bar is loaded in chemical heat treatment process stove in gas
Heated in body medium, and carry out gas carburizing, the temperature range of Carburization Treatment is controlled at 1270 DEG C, and instil liquid into carburizer
Hydrocarbon or hydrocarbon oxide, carburizing time control 16 hours, in the meantime furnace temperature keep 1300 DEG C of constant, Stress controls in stove
In 240Pa；
（7）Electric power bar after secondary heat treatment is put into secondary clear water cooling bay to be cooled down, the flowing of cooling bay clear water, temperature is kept
Degree control is at 25 DEG C.
Embodiment 2：
A kind of Technology for Heating Processing of electric power bar of the present invention, it comprises the following steps,
（1）Electric power bar is subjected to acid washing phosphorization；
（2）Electric power bar after pickling is washed；
（3）Electric power bar after washing is subjected to grinding process；
（4）Electric power bar after polishing is once heat-treated, heat treatment heating and temperature control is in 970 DEG C, heat time control
At 200 minutes, hardening media was the sodium chloride brine that mass percent concentration is 3.5%, and temperature is controlled at 770 DEG C, tempering
Time control was at 145 minutes；
（5）Electric power bar after being once heat-treated is put into a clear water cooling bay to be cooled down, the flowing of cooling bay clear water, temperature is kept
Degree control is at 39 DEG C；
（6）Electric power bar after once cooling down is subjected to secondary heat treatment, electric power bar is loaded in chemical heat treatment process stove in gas
Heated in body medium, and carry out gas carburizing, the temperature range of Carburization Treatment is controlled at 1320 DEG C, and instil liquid into carburizer
Hydrocarbon or hydrocarbon oxide, carburizing time control 22 hours, in the meantime furnace temperature keep 1300 DEG C of constant, Stress controls in stove
In 250Pa；
（7）Electric power bar after secondary heat treatment is put into secondary clear water cooling bay to be cooled down, the flowing of cooling bay clear water, temperature is kept
Degree control is at 28 DEG C.
Entirety process of the invention sets reasonable, and each parameter collocation reasonable coordination, pickling speed is fast, and derusting is good, uses
Grinding process, effectively removes rubbish, particulate matter, welding slag and the splashing of remained on surface attachment, by being once heat-treated, has it
There are higher-strength, plasticity and toughness, by a water cooling, effectively prevent deformation of products, by secondary heat treatment, further carry
The high intensity of electric power bar itself, stiffness, fatigue resistance, anti-yield strength, corrosion resistance, high-ductility and high tenacity are used
Secondary water cooling, further prevents deformation of products.
The invention provides a kind of thinking and method, the method and approach for implementing the technical scheme are a lot, above institute
State only is the preferred embodiment of the present invention, it is noted that for those skilled in the art, is not being departed from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the guarantor of the present invention
Protecting each part being not known in scope, the present embodiment can use prior art to be realized.
Claims (1)
1. a kind of Technology for Heating Processing of electric power bar, it is characterised in that：It comprises the following steps,
（1）Electric power bar is subjected to acid washing phosphorization；
（2）Electric power bar after pickling is washed；
（3）Electric power bar after washing is subjected to grinding process；
（4）Electric power bar after polishing is once heat-treated, heat treatment heating and temperature control is in 900-1000 DEG C, heat time
Control was at 150-220 minutes, and hardening media is the sodium chloride brine that mass percent concentration is 3.5%, and temperature control exists
700-800 DEG C, tempering time was controlled at 130-150 minutes；
（5）Electric power bar after being once heat-treated is put into a clear water cooling bay to be cooled down, the flowing of cooling bay clear water, temperature is kept
Degree control is at 30-40 DEG C；
（6）Electric power bar after once cooling down is subjected to secondary heat treatment, electric power bar is loaded in chemical heat treatment process stove in gas
Heated in body medium, and carry out gas carburizing, the temperature range of Carburization Treatment is controlled at 1200-1350 DEG C, dripped into carburizer
Fluid injection state is hydrocarbon or hydrocarbon oxide, and carburizing time is controlled 15-25 hour, and 1300 DEG C of furnace temperature holding is constant in the meantime, in stove
Stress control in 220-260Pa；
（7）Electric power bar after secondary heat treatment is put into secondary clear water cooling bay to be cooled down, the flowing of cooling bay clear water, temperature is kept
Degree control is at 20-30 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222750.7A CN107012300A (en) | 2017-04-07 | 2017-04-07 | A kind of Technology for Heating Processing of electric power bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222750.7A CN107012300A (en) | 2017-04-07 | 2017-04-07 | A kind of Technology for Heating Processing of electric power bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107012300A true CN107012300A (en) | 2017-08-04 |
Family
ID=59445353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710222750.7A Pending CN107012300A (en) | 2017-04-07 | 2017-04-07 | A kind of Technology for Heating Processing of electric power bar |
Country Status (1)
| Country | Link |
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| CN (1) | CN107012300A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063946A (en) * | 2020-09-10 | 2020-12-11 | 江苏银河钢杆有限公司 | Improved galvanizing process for electric power pole |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186963A (en) * | 2007-12-17 | 2008-05-28 | 国网北京电力建设研究院 | Heat treatment technique of high strength anchor bolt for extra-high voltage transmission line rod tower |
| CN102383136A (en) * | 2011-11-17 | 2012-03-21 | 江西电力职业技术学院 | Heat treatment process for steel of transmission line tower |
| CN103194773A (en) * | 2013-04-21 | 2013-07-10 | 胜利油田胜鑫防腐有限责任公司 | Anti-corrosion drill rod for well drilling of oilfield and anti-corrosion treatment process thereof |
| CN105665261A (en) * | 2016-04-05 | 2016-06-15 | 上海久隆企业管理咨询有限公司 | Spray-coating process for plastic-sprayed power steel pipe rod |
-
2017
- 2017-04-07 CN CN201710222750.7A patent/CN107012300A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186963A (en) * | 2007-12-17 | 2008-05-28 | 国网北京电力建设研究院 | Heat treatment technique of high strength anchor bolt for extra-high voltage transmission line rod tower |
| CN102383136A (en) * | 2011-11-17 | 2012-03-21 | 江西电力职业技术学院 | Heat treatment process for steel of transmission line tower |
| CN103194773A (en) * | 2013-04-21 | 2013-07-10 | 胜利油田胜鑫防腐有限责任公司 | Anti-corrosion drill rod for well drilling of oilfield and anti-corrosion treatment process thereof |
| CN105665261A (en) * | 2016-04-05 | 2016-06-15 | 上海久隆企业管理咨询有限公司 | Spray-coating process for plastic-sprayed power steel pipe rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063946A (en) * | 2020-09-10 | 2020-12-11 | 江苏银河钢杆有限公司 | Improved galvanizing process for electric power pole |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |
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| RJ01 | Rejection of invention patent application after publication |