CN109556743A - A kind of method of reality furnace detection resistance furnace temperature uniformity - Google Patents
A kind of method of reality furnace detection resistance furnace temperature uniformity Download PDFInfo
- Publication number
- CN109556743A CN109556743A CN201811623445.XA CN201811623445A CN109556743A CN 109556743 A CN109556743 A CN 109556743A CN 201811623445 A CN201811623445 A CN 201811623445A CN 109556743 A CN109556743 A CN 109556743A
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- furnace
- armouring
- real
- temperature uniformity
- resistance furnace
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of methods of real furnace detection resistance furnace temperature uniformity, belong to the detection field of heat treatment furnace body, the following steps are included: a, the control idol and the even progress detection check of monitoring carried to the armouring idol being mounted in resistance furnace and resistance furnace itself of test；Product shove charge is installed armouring idol, by furnace sealing by b in resistance furnace；C, real furnace detection, and heating step is executed with shove charge Product Process, select the final soaking zone of technique to test as temperature uniformity of the test section to resistance furnace.The temperature of temperature uniformity detection of the invention and actual production are matched using temperature, while not only but also meeting the demand of production, in turn avoid the waste of the energy.
Description
Technical field
The present invention relates to the detection field of heat treatment furnace body, especially a kind of method of temperature uniformity detection.
Background technique
Resistance furnace is often used when the products such as workpiece, component are tempered, quenched etc. with heat treatment, but is needed in resistance furnace
Guarantee that the temperature at each position of each product uniformly just can ensure that the quality of heat treatment, therefore new furnace or process overhaul or annual test
When temperature uniformity detection it is most important.According to existing detection method and original standard requirements, resistance furnace is all in empty oven-like
State carries out uniformity detection, and when empty furnace detects and the heat treatment process without workpiece, therefore one furnace of every detection will be made
At wasting for about 3000KWh electric energy, 1908 yuan of RMB or so are closed.According to the specified of stove when empty furnace detection general simultaneously
Temperature carries out temperature uniformity detection, but temperature is often lower than rated temperature progress to stove in actual use, so i.e.
Just empty furnace rated temperature uniformity detection is qualified, but uniformity is unknown at a temperature of practical application, therefore empty furnace detection
With certain defect.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of method of real furnace detection resistance furnace temperature uniformity, furnace temperature
The temperature of uniformity detection and actual production are matched using temperature, while not only but also meeting the demand of production, in turn avoid energy
The waste in source.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of method of reality furnace detection resistance furnace temperature uniformity, comprising the following steps:
A, the control carried to the armouring idol being mounted in resistance furnace and resistance furnace itself of test is even and monitoring it is even into
Row detection check；
Product shove charge is installed armouring idol, by furnace sealing by b in resistance furnace；
C, real furnace detection, and heating step is executed with shove charge Product Process, select the final soaking zone of technique as test section to electricity
The temperature uniformity of resistance furnace is tested.
Technical solution of the present invention further improvement lies in that: record armouring is even when testing in the step c, control is even and
Even temperature is monitored, the record frequency is not less than 1 time/h, continuously record no less than 6 times.
Technical solution of the present invention further improvement lies in that: the armouring in step b is occasionally provided with 9, wherein 8 armouring idols
Line forms a cuboid framework structure, and 8 armourings are occasionally located at eight apexes of rectangular parallelepiped structure, another armouring is even
It is arranged in the center of cuboid framework structure.
Technical solution of the present invention further improvement lies in that: 8 armourings occasionally form a cuboid framework structure
Six faces are respectively parallel to fire door, furnace bottom and four furnace walls face.
Technical solution of the present invention further improvement lies in that: the cuboid framework structure that wherein 8 armourings occasionally form
In front end face and rear end face apart from fire door and furnace bottom be respectively 800~1200mm, in cuboid framework structure and furnace wall
Opposite 250~350mm of plan range furnace wall.
Technical solution of the present invention further improvement lies in that: in the step c test section select before the degree of superheat.
Technical solution of the present invention further improvement lies in that: the evaluation criterion of the uniformity are as follows: real furnace testing and control is even
Setting value ± 5 DEG C should be met；Real furnace test monitoring is even should to meet setting value ± 10 DEG C；Real furnace test armouring should occasionally meet setting value
±10℃。
By adopting the above-described technical solution, the technological progress achieved by the present invention is:
The present invention carries out temperature uniformity detection at a temperature of actual use, so that the temperature of temperature uniformity detection and practical life
Production is matched using temperature, and the result referential of Evaluation for Uniformity is higher, and the use of resistance furnace more easily reachs the effect of requirement；
The progress synchronous with detection of production simultaneously, not only but also meets the demand of production, in turn avoids the waste of the energy.
Temperature even to armouring in detection process, that control is even and monitoring is even records, and records the frequency and be not less than 1
Secondary/h, detection sampling is more extensive, enhances the reliability of testing result.
The arrangement form of armouring idol makes sample point throughout entire resistance furnace, and sampling confidence level is secure, and testing result is more
It is convincing.
Furnace body in actual use, if it is desired to workpiece is allowed to reach a predetermined temperature, generally require adjustment furnace body temperature
Temperature is reduced to the temperature of process stipulation when workpiece reaches predetermined temperature slightly larger than the temperature that desired workpiece reaches by degree again,
Otherwise workpiece, which reaches predetermined temperature, may require that longer time, and waste that is both time-consuming or being easy to produce the energy, this is slightly bigger
Temperature be the degree of superheat, the application test section selects before soaking zone, avoids interference of the biggish temperature to detection, makes
It is more accurate to obtain testing result.
Detailed description of the invention
Fig. 1 is armouring idol arragement construction schematic diagram of the present invention；
Wherein, 1, armouring idol.
Specific embodiment
The present invention is described in further details below with reference to embodiment:
A kind of method of reality furnace detection resistance furnace temperature uniformity, comprising the following steps:
A, the control carried to the armouring that is mounted in resistance furnace of test even 1 and resistance furnace itself is even and monitoring it is even into
Row detection check.
Under normal circumstances, the even import for being mounted on heating channel of control, the even outlet mounted in heating channel of monitoring.
Product shove charge is installed armouring even 1, by furnace sealing by b in resistance furnace；
As shown in Figure 1, armouring even 1 is provided with 9, wherein even 1 line of 8 armourings forms a cuboid framework structure, 8 armours
Even eight apexes for being located at rectangular parallelepiped structure of dress, another armouring even 1 are arranged in the center of cuboid framework structure.
Six faces that wherein 8 armourings occasionally form a cuboid framework structure are respectively parallel to fire door, furnace bottom and four furnace walls
Face.And the front end face and rear end face in the cuboid framework structure that 8 armourings occasionally form are respectively apart from fire door and furnace bottom
800~1200mm, the plan range furnace wall 250~350mm opposite with furnace wall in cuboid framework structure.
C, real furnace detection, and heating step is executed with shove charge Product Process, select the final soaking zone of technique as test section
The temperature uniformity of resistance furnace is tested, and test section selection is before the degree of superheat.
It needs to record armouring occasionally 1, the temperature that control is even and monitoring is even when wherein testing, records the frequency and be not less than 1 time/h,
Continuous record no less than 6 times.
It is finally evaluated according to the temperature results of record, the evaluation criterion of uniformity are as follows: real furnace testing and control should occasionally accord with
Close setting value ± 5 DEG C；Real furnace test monitoring is even should to meet setting value ± 10 DEG C；Real furnace test armouring even 1 should meet setting value ±
10℃.It is detected if it is empty furnace, empty furnace testing and control should occasionally meet setting value ± 1 DEG C, and empty furnace test monitoring is even should to meet setting
± 5 DEG C of value, empty furnace test armouring even 1 should meet setting value ± 5 DEG C.Internal temperature field changes when real furnace detects, and air is not
It is easy flowing, under the premise of meeting product quality, temperature range can suitably relax, not only guarantee that product quality is unaffected, but also
Quality requirement surplus is not caused to generate waste, therefore requirement of the real furnace than empty furnace for uniformity is different, while real furnace detection
Uniformity more meets product actual mass needs.
Claims (7)
1. a kind of method of reality furnace detection resistance furnace temperature uniformity, it is characterised in that the following steps are included:
A, and monitoring even to the armouring being mounted in the resistance furnace control that occasionally (1) and resistance furnace itself carry of test is occasionally
Carry out detection check；
Product shove charge is installed armouring occasionally (1), by furnace sealing by b in resistance furnace；
C, real furnace detection, and heating step is executed with shove charge Product Process, select the final soaking zone of technique as test section to electricity
The temperature uniformity of resistance furnace is tested.
2. a kind of method of real furnace detection resistance furnace temperature uniformity according to claim 1, it is characterised in that: the step
Record armouring even (1), the temperature that control is even and monitoring is even when testing in rapid c, the record frequency is not less than 1 time/h, continuous to record
No less than 6 times.
3. a kind of method of real furnace detection resistance furnace temperature uniformity according to claim 1, it is characterised in that: step b
In armouring even (1) be provided with 9, wherein even (1) lines of 8 armourings form a cuboid framework structures, 8 armouring idols
(1) it is located at eight apexes of rectangular parallelepiped structure, another armouring even (1) is arranged in the centre bit of cuboid framework structure
It sets.
4. a kind of method of real furnace detection resistance furnace temperature uniformity according to claim 3, it is characterised in that: described 8
Six faces that a armouring even (1) forms a cuboid framework structure are respectively parallel to fire door, furnace bottom and four furnace walls face.
5. a kind of method of real furnace detection resistance furnace temperature uniformity according to claim 4, it is characterised in that: it is described its
In 8 armourings even (1) composition cuboid framework structure in front end face and rear end face apart from fire door and furnace bottom be respectively 800
The plan range furnace wall 250~350mm opposite with furnace wall in~1200mm, cuboid framework structure.
6. a kind of method of real furnace detection resistance furnace temperature uniformity according to claim 1, it is characterised in that: the step
Test section selection is before the degree of superheat in rapid c.
7. a kind of method of real furnace detection resistance furnace temperature uniformity according to claim 2, it is characterised in that: described equal
The evaluation criterion of even property are as follows: real furnace testing and control should occasionally meet setting value ± 5 DEG C；The test monitoring of real furnace is even should meet setting value ±
10℃；Real even (1) setting value ± 10 DEG C Ying Fuhe of furnace test armouring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623445.XA CN109556743A (en) | 2018-12-28 | 2018-12-28 | A kind of method of reality furnace detection resistance furnace temperature uniformity |
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| CN201811623445.XA CN109556743A (en) | 2018-12-28 | 2018-12-28 | A kind of method of reality furnace detection resistance furnace temperature uniformity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271982A (en) * | 2020-01-16 | 2020-06-12 | 兰州兰石检测技术有限公司 | Point distribution method for furnace temperature uniformity measurement of large heat treatment furnace |
Citations (6)
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|---|---|---|---|---|
| DE2357409A1 (en) * | 1972-11-17 | 1974-06-06 | Nippon Kokan Kk | METHOD OF MEASURING THE INTERNAL TEMPERATURE OF A LATHE |
| US20070144626A1 (en) * | 2005-12-26 | 2007-06-28 | Fujitsu Limited | In-furnace temperature measuring method |
| CN201321472Y (en) * | 2008-12-01 | 2009-10-07 | 沈阳兴华航空电器有限责任公司 | Vacuum quenching furnace detector |
| CN202072724U (en) * | 2011-03-14 | 2011-12-14 | 合肥市远大轴承锻造有限公司 | Furnace temperature test device for forge piece annealing furnace |
| CN103528706A (en) * | 2013-10-29 | 2014-01-22 | 陕西高新实业有限公司 | Automatic test system for heat treatment furnace temperature uniformity |
| CN108760073A (en) * | 2018-05-03 | 2018-11-06 | 中航金属材料理化检测科技有限公司 | A kind of device and test method for testing furnace temperature of heating furnace uniformity |
-
2018
- 2018-12-28 CN CN201811623445.XA patent/CN109556743A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2357409A1 (en) * | 1972-11-17 | 1974-06-06 | Nippon Kokan Kk | METHOD OF MEASURING THE INTERNAL TEMPERATURE OF A LATHE |
| US20070144626A1 (en) * | 2005-12-26 | 2007-06-28 | Fujitsu Limited | In-furnace temperature measuring method |
| CN201321472Y (en) * | 2008-12-01 | 2009-10-07 | 沈阳兴华航空电器有限责任公司 | Vacuum quenching furnace detector |
| CN202072724U (en) * | 2011-03-14 | 2011-12-14 | 合肥市远大轴承锻造有限公司 | Furnace temperature test device for forge piece annealing furnace |
| CN103528706A (en) * | 2013-10-29 | 2014-01-22 | 陕西高新实业有限公司 | Automatic test system for heat treatment furnace temperature uniformity |
| CN108760073A (en) * | 2018-05-03 | 2018-11-06 | 中航金属材料理化检测科技有限公司 | A kind of device and test method for testing furnace temperature of heating furnace uniformity |
Non-Patent Citations (4)
| Title |
|---|
| 刘金华: "热处理炉炉温均匀性测试及误差修正", 《黑龙江科技信息》 * |
| 周兴国: "真空炉炉温均匀性的测定", 《机械工人（热加工）》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271982A (en) * | 2020-01-16 | 2020-06-12 | 兰州兰石检测技术有限公司 | Point distribution method for furnace temperature uniformity measurement of large heat treatment furnace |
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Application publication date: 20190402 |
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