CN203112874U - Annular heating furnace for spheroidizing annealing production line - Google Patents
Annular heating furnace for spheroidizing annealing production line Download PDFInfo
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- CN203112874U CN203112874U CN 201220740585 CN201220740585U CN203112874U CN 203112874 U CN203112874 U CN 203112874U CN 201220740585 CN201220740585 CN 201220740585 CN 201220740585 U CN201220740585 U CN 201220740585U CN 203112874 U CN203112874 U CN 203112874U
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- heating furnace
- production line
- spheroidizing annealing
- process furnace
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Abstract
The utility model relates to a heat treatment furnace and particularly relates to an annular heating furnace for a spheroidizing annealing production line. The annular heating furnace is provided with an annular heating furnace body and radiation tubes which are inserted into the heating furnace body from the top part; a furnace door is arranged at one side of the heating furnace body; a rotary furnace bottom is further arranged at the bottom of the heating furnace body; and a rotary supporting body is arranged below the rotary furnace bottom. According to the annular heating furnace for the spheroidizing annealing production line, the rotary furnace bottom can be in rotary connection with the furnace body under the effect of the rotary supporting body at the bottom, so that heating and heat-preservation phases in a workpiece heat treatment process can be carried out under rotation, the uniformity of heating of a workpiece can be greatly improved, and the heat treatment quality and the consistency of different workpiece structures and performance are improved.
Description
Technical field
The utility model relates to a kind of heat treatment furnace, relates in particular to a kind of Spheroidizing Annealing production line rotary heating furnace.
Background technology
Metal heat treatmet is metal works to be placed on be heated to suitable temperature in certain medium, and after in this temperature, keeping certain hour, cool off in different media with friction-motion speed again, control a kind of technology of its performance by changing metal material surface or inner microstructure.Isothermal spheroidizing is hypereutectoid steel (as bearing steel) starting material (bar, wire rod etc.) or part blank thermal treatment process commonly used, can reduce hardness on the one hand, improve cutting ability, for machining is prepared, be the spheroidized carbide of disperse on the other hand in order to obtain thin, do tissue for subsequent heat treatment (quenching, tempering) and prepare, in order to after subsequent heat treatment, obtain the favorable mechanical performance, improve the thermal treatment qualification rate.
Heat treatment heating furnace is one of metal heat treatmet imperative equipment, and existing process furnace mostly is car type furnace, box-type furnace or pit furnace, all fix at the bottom of these heating-furnaces, can not rotate, and the different zones temperature can there are differences in the same stove, will cause the ununiformity of workpiece heating, thereby bring different workpieces may have the difference of tissue and performance, influence thermal treatment quality.In addition, when process furnace workpiece commonly used is come out of the stove, bell need be removed, the workpiece under the high temperature is moved on to other places carry out next step thermal treatment by driving, the not only high temperature workpiece threat that can bring life and health to the workman in this process, and the high temperature workpiece is aloft transferred, will inevitably bring a large amount of energy expenditures, workpiece temperature in the handover process descends on the one hand, can influence thermal treatment quality, also to have labor strength big for the traditional heating stove on the other hand, and production efficiency is hanged down inferior shortcoming.
The utility model content
The purpose of this utility model is to overcome the defective that prior art exists, and provides a kind of homogeneous heating, thermal treatment quality good, the Spheroidizing Annealing production line process furnace that level of automation is high.
The technical scheme that realizes the utility model purpose is: a kind of Spheroidizing Annealing production line rotary heating furnace, and have the rotary heating furnace body and be inserted into the intrinsic radiator tube of process furnace from the top, described process furnace body one side has fire door; Described process furnace body bottom has at the bottom of the rotary furnace, and face is provided with rotary support under the described rotary furnace.
Technique scheme, described process furnace body interior has the annular working platform, and described annular working platform inboard is fixed with high temperature with the fire door corresponding position and pushes away chain.
Technique scheme, described process furnace body top is provided with forced circulation device.
Technique scheme, described forced circulation device are the cold air-circulating fans of many table oils, and described oil cooling air-circulating fan is distributed on process furnace body upper end.
Technique scheme, described process furnace body top is equipped with thermopair, and described thermopair links to each other with the temperature controlling system in the external world.
Technique scheme, described process furnace bodies top also is provided with the protective atmosphere inlet pipe, and described protective atmosphere inlet pipe one end is connected with outer protection gas, and the other end stretches to the process furnace body interior.
Technique scheme, process furnace body exterior are provided with 1 ~ 3 access door.
After adopting technique scheme, the utlity model has following positive effect:
(1) the utility model is provided with at the bottom of the rotary furnace, under the effect of the rotary support of bottom, can realize being rotationally connected with body of heater at the bottom of the rotary furnace, heating, holding stage in the heat treatment of workpieces process are all carried out under rotating, can increase substantially the homogeneity of workpiece heating, for improving thermal treatment quality, the consistence that reaches different workpieces tissue and performance provides assurance;
(2) high temperature that is provided with of the utility model body of heater internal fixing pushes away chain, be used for pending workpiece pushed process furnace and will handle the high temperature workpiece from the rapid cooling chamber of same production line automatically pushing rapid cooling chamber fast and carrying out cold soon, can reduce labor strength greatly, enhance productivity, can also guarantee that beginning is cold soon under specified temperature, guarantee thermal treatment quality;
(3) process furnace upper end is provided with a plurality of forced circulation devices, i.e. oil cooling air-circulating fan can be strengthened the pump circulation of furnace gas, guarantees hot-fluid and airflow homogeneity in the stove, thereby guarantees the homogeneity of workpiece heating;
(4) thermopair at the utility model body of heater top can be monitored temperature in the stove at any time with extraneous temperature control system, and carries out temperature control automatically, has further guaranteed thermal treatment quality; In the heat tracing process, protective atmosphere (as nitrogen) enters in the body of heater by the protective atmosphere inlet pipe, has prevented oxidation and decarbonization under the workpiece high temperature;
(5) the body of heater outside is provided with access door, opens during maintenance, then closes during stove work, makes things convenient for the maintenance and inspection of stove.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the utility model vertical view;
Fig. 2 is the utility model A-A face sectional view;
Among the figure 1, the process furnace body; 11, fire door; 12, annular working platform; 2, at the bottom of the rotary furnace; 21, rotary support; 3, high temperature pushes away chain; 4, oil cooling air-circulating fan; 5, thermopair; 6, radiator tube; 7, protective atmosphere inlet pipe; 8, access door.
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the utlity model has rotary heating furnace body 1 and be inserted into radiator tube 6 in the process furnace body 1 from the top that radiator tube 6 is used for intensification, the heating of stove and is incubated, process furnace body 1 one sides have fire door 11; Process furnace body 1 bottom has at the bottom of the rotary furnace 2, is provided with rotary support 21 at the bottom of the rotary furnace below 2, and in the working process, 2 can rotate around rotary support 21 at the bottom of the rotary furnace, guarantee the workpiece heating uniformity.
Preferably, process furnace body 1 inside has annular working platform 12, and annular working platform 12 is inboard to be fixed with high temperature with fire door 11 corresponding positions and to push away chain 3, and high temperature pushes away chain 3 and can be used for workpiece pushed or release process furnace.
Preferably, the utility model top also is provided with forced circulation device, be the cold air-circulating fans 4 of many table oils, oil cooling air-circulating fan 4 is distributed on process furnace body 1 upper end, the rotation of oil cooling air-circulating fan 4 bottom fan blade can drive the circulation of the interior hot-fluid of stove or air-flow, has further strengthened temperature homogeneity in the stove.
Preferably, process furnace body 1 top is equipped with thermopair 5, and thermopair 5 links to each other with the temperature controlling system in the external world, is used for the interior thermometric of stove and also temperature in the stove is regulated in good time.Process furnace body 1 top also is provided with protective atmosphere inlet pipe 7; protective atmosphere inlet pipe 7 one ends are connected with outer protection gas; the other end stretches to process furnace body 1 inside; the mixed gas of nitrogen, propane or nitrogen and propane can enter in the stove by protective atmosphere inlet pipe 7; and to the heating or keeping warm mode under workpiece protect, prevent the generation of surface oxidation decarburization phenomenon.Process furnace body 1 outside is provided with 1 ~ 3 access door 8, and the setting of access door 8 can make things convenient for the maintenance examination of body of heater, guarantees that process furnace moves under good state.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a Spheroidizing Annealing production line rotary heating furnace has rotary heating furnace body (1) and is inserted into the interior radiator tube (6) of process furnace body (1) from the top, and described process furnace body (1) one side has fire door (11); It is characterized in that: described process furnace body (1) bottom has (2) at the bottom of the rotary furnace, is provided with rotary support (21) at the bottom of the described rotary furnace below (2).
2. Spheroidizing Annealing production line rotary heating furnace according to claim 1, it is characterized in that: described process furnace body (1) inside has annular working platform (12), and described annular working platform (12) inboard is fixed with high temperature with fire door (11) corresponding position and pushes away chain (3).
3. Spheroidizing Annealing production line rotary heating furnace according to claim 1, it is characterized in that: described process furnace body (1) top is provided with forced circulation device.
4. Spheroidizing Annealing production line rotary heating furnace according to claim 3, it is characterized in that: described forced circulation device is the cold air-circulating fan of many table oils (4), described oil cooling air-circulating fan (4) is distributed on process furnace body (1) upper end.
5. according to the described Spheroidizing Annealing production line of each claim of claim 1 ~ 4 rotary heating furnace, it is characterized in that: described process furnace body (1) top is equipped with thermopair (5), and described thermopair (5) links to each other with the temperature controlling system in the external world.
6. Spheroidizing Annealing production line rotary heating furnace according to claim 5; it is characterized in that: described process furnace body (1) top also is provided with protective atmosphere inlet pipe (7); described protective atmosphere inlet pipe (7) one ends are connected with outer protection gas, and the other end stretches to process furnace body (1) inside.
7. Spheroidizing Annealing production line rotary heating furnace according to claim 6, it is characterized in that: process furnace body (1) outside is provided with 1 ~ 3 access door (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740585 CN203112874U (en) | 2012-12-28 | 2012-12-28 | Annular heating furnace for spheroidizing annealing production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740585 CN203112874U (en) | 2012-12-28 | 2012-12-28 | Annular heating furnace for spheroidizing annealing production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203112874U true CN203112874U (en) | 2013-08-07 |
Family
ID=48893242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220740585 Expired - Lifetime CN203112874U (en) | 2012-12-28 | 2012-12-28 | Annular heating furnace for spheroidizing annealing production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203112874U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898287A (en) * | 2012-12-28 | 2014-07-02 | 赫菲斯热处理系统江苏有限公司 | Annular heating furnace for spheroidizing annealing production line |
| CN107083472A (en) * | 2017-06-29 | 2017-08-22 | 苏州新凌电炉有限公司 | Horizontal spheroidizing annealing furnace |
| CN107435095A (en) * | 2016-05-25 | 2017-12-05 | 新疆金风科技股份有限公司 | A kind of support meanss of heating furnace and its annular heated object |
| CN107435090A (en) * | 2016-05-25 | 2017-12-05 | 新疆金风科技股份有限公司 | A kind of energy-saving vibration-damping device and heating furnace for heating furnace |
-
2012
- 2012-12-28 CN CN 201220740585 patent/CN203112874U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898287A (en) * | 2012-12-28 | 2014-07-02 | 赫菲斯热处理系统江苏有限公司 | Annular heating furnace for spheroidizing annealing production line |
| CN107435095A (en) * | 2016-05-25 | 2017-12-05 | 新疆金风科技股份有限公司 | A kind of support meanss of heating furnace and its annular heated object |
| CN107435090A (en) * | 2016-05-25 | 2017-12-05 | 新疆金风科技股份有限公司 | A kind of energy-saving vibration-damping device and heating furnace for heating furnace |
| CN107083472A (en) * | 2017-06-29 | 2017-08-22 | 苏州新凌电炉有限公司 | Horizontal spheroidizing annealing furnace |
| CN107083472B (en) * | 2017-06-29 | 2018-05-08 | 苏州新凌电炉有限公司 | Horizontal spheroidizing annealing furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
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| CX01 | Expiry of patent term |