CN104250679A - Roller rod composite normalizing and annealing furnace - Google Patents
Roller rod composite normalizing and annealing furnace Download PDFInfo
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- CN104250679A CN104250679A CN201310266141.3A CN201310266141A CN104250679A CN 104250679 A CN104250679 A CN 104250679A CN 201310266141 A CN201310266141 A CN 201310266141A CN 104250679 A CN104250679 A CN 104250679A
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Abstract
The invention relates to a roller rod composite normalizing and annealing furnace comprising a furnace shell, wherein the furnace shell is internally provided with an upper conveying roller and a lower conveying roller; the upper conveying roller is sequentially divided into a preheating region, a normalizing region, a forced cooling chamber and a heat insulation region from left to right; the lower conveying roller is sequentially divided into an annealing heating region, a rapid cooling region and an isothermal region from right to left; the normalizing region, the heat insulation region, the annealing heating region and the isothermal region are respectively and internally provided with a heater; the front and rear ends of the furnace shell are respectively provided with a vacuum air exchange chamber. After the structure is adopted, artificial normalizing and annealing operations are replaced with automatic normalizing and annealing operations, the normalizing and annealing temperatures can be well controlled, the stable transmission is realized, the atmosphere in the furnace can be controlled, and the labor cost is saved.
Description
Technical field
The present invention relates to a kind of annealing device in Surface Processing Industry, especially relate to a kind of roller rod combined type normalizing annealing furnace.
Background technology
In machinofacture processing industry, the part processed is heat-treated to make its performance more superior all needs, normalizing is to Ac3 or more than Acm 30 ~ 50 DEG C by workpiece heat, after insulation for some time, take out from stove in atmosphere or water spray, the metal heating processing technology of spraying or quenching, need sometimes to carry out anneal after normalizing, because the temperature difference that two kinds of heat treatment modes adopt, so must operate under two kinds of temperature conditionss, and normally adopt two one, stoves to carry out normalizing treatment at present, one is carried out anneal, such needs are manually carried, and automated operation can not be realized, add cost of labor.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly can realizes automated operation and reduce the roller rod combined type normalizing annealing furnace of cost of labor.
The present invention solves the technical scheme that its technical problem takes: a kind of roller rod combined type normalizing annealing furnace, comprise body of heater shell, be provided with transfer roller and lower transfer roller in body of heater enclosure, described upper transfer roller is divided into preheating zone, normalized zone, strong cold house and heat preservation zone from left to right successively; Described lower transfer roller is divided into annealing heating district, fast cold-zone and isothermal region from right to left successively; In normalized zone, heat preservation zone, annealing heating district and isothermal region, be equipped with well heater, the front and back end of described body of heater shell is equipped with vacuum air-changing room.
Further, in order to cool fast workpiece, above described strong cold house, body of heater shell is provided with thermantidote.
Further, in order to conveniently control the temperature in body of heater, be equipped with temperature control point in described each district of body of heater enclosure, temperature control point connects temperature controller.
Further, in order to the control of furnace atmosphere can be realized, in described normalized zone, heat preservation zone, annealing heating district and isothermal region, be equipped with the outer cracker of stove.
The invention has the beneficial effects as follows: after have employed said structure, normalizing annealing is left manual operation completely and is realized automated operation, and can be good at controlling normalizing annealing temperature, stable drive, can realize Atmosphere Control, save human cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, upper transfer roller; 2, vacuum air-changing room; 3, lower transfer roller; 4, body of heater shell; 5, preheating zone; 6, well heater; 7, normalized zone; 8, isothermal region; 9, fast cold-zone; 10, strong cold house; 11, cold blast engine; 12, annealing heating district; 13, heat preservation zone.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of roller rod combined type normalizing annealing furnace as shown in Figure 1, comprise body of heater shell 4, be provided with transfer roller 1 and lower transfer roller 3 in body of heater shell 4 inside, described upper transfer roller 1 is divided into a preheating zone 5(3 station from left to right successively), a normalized zone 7(6 station), a strong cold house 10(4 station) and heat preservation zone 13(3 station); Described lower transfer roller 3 is divided into 12(6, annealing heating district station from right to left successively), a fast cold-zone 9(2 station) and isothermal region 8(6 station); In normalized zone 7, heat preservation zone 13, annealing heating district 12 and isothermal region 8, be equipped with well heater 6, the front and back end of described body of heater shell 4 is equipped with vacuum air-changing room 2; Above described strong cold house 10, body of heater shell 4 is provided with thermantidote 11; Described body of heater shell 4 is equipped with temperature control point in each district inner, and temperature control point connects temperature controller; Be equipped with the outer cracker of stove in described normalized zone 7, heat preservation zone 13, annealing heating district 12 and isothermal region 13, carried out the flow of regulating and controlling furnace atmosphere by under meter and magnetic valve and oxygen probe.The power elements such as its under meter, magnetic valve and oxygen probe are arranged on body of heater, and the probe signal received by secondary instrument carrys out Controlling solenoid valve, thus realizes Atmosphere Control.
This equipment can meet all kinds of bearing ring and rolling body carries out few oxidation normalizing and isothermal spheroidizing requires and the requirement of low-carbon alloy steel isothermal normalizing.This equipment belongs to high-efficiency and energy-saving type equipment for Heating Processing.
Whole action controls of this equipment adopt programmable logic controller (PLC) to control, and by touch-screen display equipment working order, realize powerful good in interactive function.The running status of armamentarium and various processing parameter can be well understood to by computer.The whole automatization of whole operation completes, and is equipped with the safety guarantee function of self-locking, interlocking, makes the control stiffness of equipment and reliability have guarantee.Adopt roller bottom type heat hot process for producing ray mode, configure the enriched gass such as high-purity nitrogen-based atmosphere+(methyl alcohol)+propane and do protective atmosphere.
This equipment adopts multinomial power-saving technology manufacture, forms according to the normalizing and carbide annealing process, the normalizing being also applicable to the standard-requireds such as 20CrNi2Mo, 20Cr2Ni4A, 20CrMnTiH, 20CrMoH, 20CrMnTi low-carbon alloy steel and annealing process specialized designs meeting high-carbon-chromium bearing steel GCr15, GCr15SiMn part.Be equipped with vacuum air-changing room before and after equipment, protection heats is good, is equipped with recovery of heat and then ensure that the thermo-efficiency of equipment is close to 100%.Production line adopts roller bottom type drive mechanism, and stable drive speed is adjustable, and beat is accurate, and technology stability is good.
The strong cold house of normalizing adopts the complex method of the formula cooling of normalizing cooling fluid mist and nitrogen cooling, and heat-eliminating medium reusable edible, the speed of cooling of workpiece is controllable.Also effectively bearing steel Carbide Precipitation is controlled; The nodularization form of low-carbon alloy steel and bainite are separated out.
It is emphasized that above is better implementation column of the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. a roller rod combined type normalizing annealing furnace, comprise body of heater shell (4), be provided with upper transfer roller (1) and lower transfer roller (3) in body of heater shell (4) inside, it is characterized in that: described upper transfer roller (1) is divided into preheating zone (5), normalized zone (7), strong cold house (10) and heat preservation zone (13) from left to right successively; Described lower transfer roller (3) is divided into annealing heating district (12), fast cold-zone (9) and isothermal region (8) from right to left successively; In normalized zone (7), heat preservation zone (13), annealing heating district (12) and isothermal region (8), be equipped with well heater (6), the front and back end of described body of heater shell (4) is equipped with vacuum air-changing room (2).
2. roller rod combined type normalizing annealing furnace according to claim 1, is characterized in that: described top body of heater shell, strong cold house (10) (4) is provided with thermantidote (11).
3. roller rod combined type normalizing annealing furnace according to claim 1, is characterized in that: described body of heater shell (4) is equipped with temperature control point in each district inner, and temperature control point connects temperature controller.
4. roller rod combined type normalizing annealing furnace according to claim 1, is characterized in that: be equipped with the outer cracker of stove in described normalized zone (7), heat preservation zone (13), annealing heating district (12) and isothermal region (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310266141.3A CN104250679B (en) | 2013-06-28 | 2013-06-28 | Roller rod combined type normalizing annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310266141.3A CN104250679B (en) | 2013-06-28 | 2013-06-28 | Roller rod combined type normalizing annealing furnace |
Publications (2)
| Publication Number | Publication Date |
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| CN104250679A true CN104250679A (en) | 2014-12-31 |
| CN104250679B CN104250679B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310266141.3A Expired - Fee Related CN104250679B (en) | 2013-06-28 | 2013-06-28 | Roller rod combined type normalizing annealing furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512640A (en) * | 2021-07-12 | 2021-10-19 | 浙江五洲新春集团股份有限公司 | Heat treatment production line of bearing part |
| CN117210649A (en) * | 2023-09-21 | 2023-12-12 | 中科卓异环境科技(东莞)有限公司 | Steel normalizing equipment and steel normalizing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202099347U (en) * | 2011-05-24 | 2012-01-04 | 苏州工业园区胜龙电炉制造有限公司 | Roller type up and down two-way heat recovery continuous isothermal heat treatment energy-saving furnace |
| CN103074471A (en) * | 2012-12-28 | 2013-05-01 | 赫菲斯热处理系统江苏有限公司 | Roller-type spheroidizing annealing production line and isothermal spheroidizing annealing method |
| CN203382799U (en) * | 2013-06-28 | 2014-01-08 | 苏州工业园区胜龙电炉制造有限公司 | Roller rod composite normalizing and annealing furnace |
-
2013
- 2013-06-28 CN CN201310266141.3A patent/CN104250679B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202099347U (en) * | 2011-05-24 | 2012-01-04 | 苏州工业园区胜龙电炉制造有限公司 | Roller type up and down two-way heat recovery continuous isothermal heat treatment energy-saving furnace |
| CN103074471A (en) * | 2012-12-28 | 2013-05-01 | 赫菲斯热处理系统江苏有限公司 | Roller-type spheroidizing annealing production line and isothermal spheroidizing annealing method |
| CN203382799U (en) * | 2013-06-28 | 2014-01-08 | 苏州工业园区胜龙电炉制造有限公司 | Roller rod composite normalizing and annealing furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512640A (en) * | 2021-07-12 | 2021-10-19 | 浙江五洲新春集团股份有限公司 | Heat treatment production line of bearing part |
| CN117210649A (en) * | 2023-09-21 | 2023-12-12 | 中科卓异环境科技(东莞)有限公司 | Steel normalizing equipment and steel normalizing method |
| CN117210649B (en) * | 2023-09-21 | 2024-05-14 | 中科卓异环境科技(东莞)有限公司 | Steel normalizing equipment and steel normalizing method |
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|---|---|
| CN104250679B (en) | 2016-08-10 |
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