CN114088229A - Air cushion type continuous heat treatment line furnace gas temperature measurement method - Google Patents
Air cushion type continuous heat treatment line furnace gas temperature measurement method Download PDFInfo
- Publication number
- CN114088229A CN114088229A CN202111365540.6A CN202111365540A CN114088229A CN 114088229 A CN114088229 A CN 114088229A CN 202111365540 A CN202111365540 A CN 202111365540A CN 114088229 A CN114088229 A CN 114088229A
- Authority
- CN
- China
- Prior art keywords
- thermocouple
- air cushion
- heat treatment
- type continuous
- continuous heat
- 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
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- 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
Abstract
The invention provides a furnace gas temperature measuring method of an air cushion type continuous heat treatment line, which is used for measuring the furnace gas temperature at an annealing furnace of the air cushion type continuous heat treatment line, wherein a thermocouple connected with a recording instrument is supported on the surface of a strip material by a supporting piece; when the strip passes through the air cushion type continuous heat treatment line, the recording instrument measures the furnace gas temperature of the air cushion furnace of the air cushion type continuous heat treatment line through the thermocouple in a moving state; the invention can accurately detect the continuous furnace gas temperature data of the air cushion type continuous heat treatment line in the process of running the strip, and achieves the purpose of monitoring the equipment running condition and the temperature control precision of the air cushion type continuous heat treatment line through continuously monitoring the furnace gas temperature, thereby ensuring the accuracy of the process temperature in the production process.
Description
Technical Field
The invention relates to the field of aluminum and aluminum alloy processing detection, in particular to a furnace gas temperature measurement method for an air cushion type continuous heat treatment line.
Background
The annealing temperature in the aluminum and aluminum alloy processing process is generally more than 200 ℃, and the traditional aluminum alloy heat treatment generally adopts a box-type annealing furnace for annealing treatment, and has the following defects: firstly, the box-type annealing furnace carries out heat treatment on the aluminum coil, the annealing process is long, the heat treatment time and the coiled material cooling time are long, the whole production process is long, and the production efficiency is reduced; secondly, the mechanical property fluctuation risk of the aluminum coil subjected to heat treatment by the box-type annealing furnace is high, and the capability of ensuring the mechanical properties of the head and the tail of the coiled material is poor, so that the head and the tail of the coiled material are greatly lost; thirdly, other quality risks exist in box annealing, such as annealing oil spots, annealing adhesion damage and the like, so that the loss of the aluminum coil is increased, and the cost is increased.
The heat treatment process of the coiled material in the air cushion type continuous heat treatment line is continuously carried out, the strip provides tension through the tension roller and is blown by the circulating fan, the floating state of the strip is guaranteed, the whole production process is carried out without stopping, the temperature of the coiled material is reduced through the water cooling and air cooling areas, the heat treatment production process of the whole coiled material is obviously improved in efficiency.
For these reasons, the heat treatment process of the coil material by the air cushion type continuous heat treatment line is currently favored by the majority of aluminum processing enterprises. The advantages of high production efficiency, uniform heat treatment temperature, stable material performance and the like also enable aluminum processing enterprises to gradually draw close to the air cushion type continuous heat treatment. Therefore, furnace gas temperature measurement for the air cushion type continuous annealing furnace is necessary, and the equipment operation condition and the temperature control precision of the air cushion type continuous heat treatment line are confirmed through the furnace gas temperature measurement, so that the accuracy of the process temperature in the production process is ensured.
The temperature measurement method for the air cushion type continuous annealing line in the industry at present is basically summarized as fixed-point temperature measurement. The fixed-point temperature measurement has the following two problems: the obtained data is discontinuous, and the furnace gas temperature in the whole process of heat treatment cannot be obtained; secondly, part of fixed-point temperature measurement needs to be performed by windowing in a corresponding area, temperature measurement is performed on furnace gas after a thermocouple is inserted, and a test result has certain difference from the actual test result and is difficult to represent.
Disclosure of Invention
The invention provides a furnace gas temperature measuring method for an air cushion type continuous heat treatment line, which can accurately detect continuous furnace gas temperature data of the air cushion type continuous heat treatment line in the process of running a strip material, and achieves the purpose of monitoring the equipment running condition and the temperature control precision of the air cushion type continuous heat treatment line through continuous monitoring of the furnace gas temperature, thereby ensuring the accuracy of the process temperature in the production process.
The invention adopts the following technical scheme.
A temperature measuring method of furnace gas of an air cushion type continuous heat treatment line is used for measuring the temperature of the furnace gas at an annealing furnace of the air cushion type continuous heat treatment line, and a thermocouple connected with a recording instrument is supported on the surface of a strip material by a supporting piece; when the strip passes through the air cushion type continuous heat treatment line, the recording instrument measures the furnace gas temperature of the air cushion furnace of the air cushion type continuous heat treatment line through the thermocouple in a moving state.
The strip material is made to float by the air cushion type continuous heat treatment line with tension and the force of the circulating fan wind while passing through the air cushion type continuous heat treatment line.
In the temperature measuring method, a clamp is used as a support part, and the method comprises the following steps;
step S1, before temperature measurement, the air cushion furnace is heated and kept warm for a preset time, and a plurality of mounting holes are drilled on the surface of the strip at the inlet of the air cushion type continuous heat treatment line;
s2, winding the heads of the positive and negative temperature measuring wires of the thermocouple into twist-shaped ends, winding the twist-shaped ends on the fasteners after short connection, fixing the fasteners in fixing holes on the clamp, and fixing the clamp at a mounting hole of the strip, so that the positive and negative electrodes of the twist-shaped ends of the thermocouple can be exposed in furnace gas but do not contact with the surface of the strip when passing through the air cushion furnace, and sampling points for temperature measurement are formed;
step S3, bundling the thermocouple at intervals by using waste thermocouple temperature measuring wires at the middle part of the thermocouple extension line behind the thermocouple twist-shaped end;
step S4, connecting the tail part of the thermocouple extension line, namely the other end of the thermocouple to a recorder, and checking one end of the twist-shaped end of the thermocouple by using a heat source before measuring the temperature by using the recorder;
and step S5, when the strip temperature sampling area where the sampling points are located reaches the cooling section of the air cushion type continuous heat treatment line, cutting off the extension line of the thermocouple to finish data recording, and then taking the thermocouple and the rivet off the strip and out of the furnace.
The recording instrument is a paperless recording instrument with an automatic storage function; and measuring the furnace gas in the annealing furnace by a recording instrument through a thermocouple to obtain the actual temperature of the annealing furnace, and evaluating the temperature control precision condition of the annealing furnace, wherein the recording interval is less than or equal to 1 group/second.
In step S1, the heat preservation time of the air cushion furnace is longer than 1h to ensure that the hearth is fully heated and the temperature is uniform;
the fasteners in step S2 are rivets; when the online dispersion phenomenon exists at one end of the sampling point of the thermocouple, the dispersed wires are fixed on the surface of the strip material by using the clamp, and the surface insulating skin of the dispersed wires is not damaged when the dispersed wires are fixed;
in step S3, winding and binding high-temperature resistant glass fiber tapes at the thermocouple extension line part 50-100mm below the thermocouple twist-shaped end head, wherein the interval distance of the binding points of the used waste thermocouple wires is less than or equal to 5 m; the fixing mode of the thermocouple extension line at the strip material comprises riveting or high-temperature cementing; .
In step S2, the thermocouple precision of the thermocouple is first-level precision, and the distance between the twist-shaped end of the thermocouple and the surface of the strip is more than or equal to 5 mm.
The operation side, the middle part and the transmission side of the strip in the width direction are respectively provided with at least one sampling point; all sampling points are uniformly arranged on the surface of the strip, thermocouple measuring end heads at all the sampling points are tilted, short-circuit points of a positive electrode and a negative electrode at a measuring end are uniformly arranged, and the short-circuit point at the rear part of the measuring end is exposed in furnace gas when entering the air cushion furnace so that the sampling part at the measuring end is fully contacted with the furnace gas.
The width of the strip material is close to the maximum width of the equipment capacity of the air cushion type continuous heat treatment line; the length of the thermocouple is not less than the length of the air cushion type continuous heat treatment line.
In step S5, the strip temperature sampling region formed after the thermocouple is installed is located at the centerline of the air-cushion continuous heat treatment line.
The length of the thermocouple and the extension line thereof is not less than the length of the air cushion type continuous heat treatment line, all sampling points are uniformly distributed on the same straight line, and the connecting line between the sampling points is vertical to the feeding direction of the strip.
The invention has the beneficial effects that:
(1) the heat treatment based on the air cushion type continuous annealing furnace is obviously superior to a box type annealing furnace, and the monitoring of the furnace gas temperature is necessary when the air cushion type continuous annealing furnace is used for heat treatment production;
(2) aiming at the temperature measurement method of the air cushion type continuous annealing furnace, the invention has the advantages that the continuity of temperature measurement data can be embodied, the full-flow data of furnace gas in the heat treatment process of the strip can be embodied, and the temperature measurement representativeness is better than that of a common fixed-point temperature measurement mode;
(3) in the temperature measuring process, the arrangement of the temperature measuring couple can be adjusted along with the width of the coiled material, the method can compare and monitor the uniformity of the continuous annealing furnace in the width direction, and the stability of different areas of the continuous annealing furnace is monitored in the continuous operation process;
(4) the result data of the invention can reflect the accuracy and stability of the equipment in the production process, thereby reflecting the performance guarantee capability of the product in the annealing process;
(5) the invention has the advantages of less time consumption and low cost in the detection process, can be completed by some auxiliary tools such as a thermocouple wire, a paperless recorder and the like, and has low damage degree.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of a process section of an air cushion continuous heat treatment line;
FIG. 2 is a schematic view of an apparatus for a gas cushion oven;
FIG. 3 is a schematic diagram of a thermocouple placement layout on a strip;
FIG. 4 is a schematic view of a thermocouple and thermocouple extension wire attached to a strip;
FIG. 5 is a graph showing measured data in example 1 of the present invention;
FIG. 6 is a graph showing measured data in example 2 of the present invention;
in the figure: 1-an upper circulating fan; 2-lower circulating fan; 3-a heating zone; 4-a water cooling zone; 5-air cooling area; 6-low tension centering roller; 7. a tensioning device;
10-centering roll; 20-a tensioning device; 31-thermocouple at one side of strip temperature sampling area; 32-thermocouple in the middle of strip temperature sampling zone; 33-thermocouple at the other side of the strip temperature sampling area; 34-a strip; 35-thermocouple extension line; 36-a clamp.
Detailed Description
As shown in the figure, the furnace gas temperature measuring method of the air cushion type continuous heat treatment line is used for measuring the furnace gas temperature at an annealing furnace of the air cushion type continuous heat treatment line, and a thermocouple connected with a recording instrument is supported on the surface of a strip material by a supporting piece; as the strip 34 passes through the air-cushion continuous heat treatment line, the recording apparatus measures the air-cushion furnace gas temperature of the air-cushion furnace through the thermocouple in a moving state.
The strip material is made to float by the air cushion type continuous heat treatment line with tension and the force of the circulating fan wind while passing through the air cushion type continuous heat treatment line.
In the temperature measuring method, the clamp 36 is used as a supporting piece, and the method comprises the following steps;
step S1, before temperature measurement, the air cushion furnace is heated and kept warm for a preset time, and a plurality of mounting holes are drilled on the surface of the strip at the inlet of the air cushion type continuous heat treatment line;
s2, winding the heads of the positive and negative temperature measuring wires of the thermocouple into twist-shaped ends, winding the twist-shaped ends on the fasteners after short connection, fixing the fasteners in fixing holes on the clamp, and fixing the clamp at a mounting hole of the strip, so that the positive and negative electrodes of the twist-shaped ends of the thermocouple can be exposed in furnace gas but do not contact with the surface of the strip when passing through the air cushion furnace, and sampling points for temperature measurement are formed;
step S3, bundling the thermocouple at intervals by using waste thermocouple temperature measuring wires at the middle part of the thermocouple extension line 35 behind the thermocouple twist-shaped end head;
step S4, connecting the tail part of the thermocouple extension line, namely the other end of the thermocouple to a recorder, and checking one end of the twist-shaped end of the thermocouple by using a heat source before measuring the temperature by using the recorder;
and step S5, when the strip temperature sampling area where the sampling points are located reaches the cooling section of the air cushion type continuous heat treatment line, cutting off the extension line of the thermocouple to finish data recording, and then taking the thermocouple and the rivet off the strip and out of the furnace.
The recording instrument is a paperless recording instrument with an automatic storage function; the recording instrument measures the furnace gas in the annealing furnace through a thermocouple to obtain the actual temperature of the furnace gas, and evaluates the temperature control precision condition of the annealing furnace, wherein the recording interval is less than or equal to 1 group/second.
In step S1, the heat preservation time of the air cushion furnace is longer than 1h to ensure that the hearth is fully heated and the temperature is uniform;
the fasteners in step S2 are rivets; when the phenomenon of online dispersion exists at one end of a thermocouple sampling point, the dispersed wires are fixed on the surface of the strip material by using a clamp, and the surface insulating skin of the dispersed wires is not damaged when the dispersed wires are fixed;
in step S3, winding and binding high-temperature resistant glass fiber tapes at the thermocouple extension line part 50-100mm below the thermocouple twist-shaped end head, wherein the interval distance of the binding points of the used waste thermocouple wires is less than or equal to 5 m; the fixing mode of the thermocouple extension line at the strip material comprises riveting or high-temperature cementing; .
In step S2, the thermocouple precision of the thermocouple is first-level precision, and the distance between the twist-shaped end and the surface of the strip is more than or equal to 5 mm.
The operation side, the middle part and the transmission side of the strip in the width direction are respectively provided with at least one sampling point; all sampling points are uniformly arranged on the surface of the strip, thermocouple measuring end heads at all the sampling points are tilted, short-circuit points of a positive electrode and a negative electrode at a measuring end are uniformly arranged, and the short-circuit point at the rear part of the measuring end is exposed in furnace gas when entering the air cushion furnace so that the sampling part at the measuring end is fully contacted with the furnace gas.
The width of the strip material is close to the maximum width of the equipment capacity of the air cushion type continuous heat treatment line; the length of the thermocouple is not less than the length of the air cushion type continuous heat treatment line.
In step S5, the strip temperature sampling region formed after the thermocouple is installed is located at the centerline of the air-cushion continuous heat treatment line.
The length of the thermocouple and the extension line thereof is not less than the length of the air cushion type continuous heat treatment line, all sampling points are uniformly distributed on the same straight line, and the connecting line between the sampling points is vertical to the feeding direction of the strip.
The furnace gas temperature measuring method in the embodiment comprises the following steps: before temperature measurement, the air cushion furnace is heated and kept for a certain time, holes are drilled on the surface of the strip at the inlet of the air cushion type continuous heat treatment line, and a thermocouple is arranged before the drilling position enters the inlet of the air cushion type continuous heat treatment line. The method specifically comprises the following steps: the thermocouple temperature measuring wire is pulled out and marked with a serial number in the thermocouple arranging process, the thermocouple temperature measuring wire is wound into a twist shape, waste thermocouple temperature measuring wires are bundled together at intervals, the anode and the cathode of the thermocouple are short-circuited and then fixed on a strip material by rivets, the short-circuited point is ensured to be exposed in furnace gas, a high-temperature resistant glass fiber strip is wound at the position of about 50-100mm of the lower end of the head of the thermocouple, a clamp for fixing the thermocouple is drilled firstly, and then the temperature measuring thermocouple is fixed on the surface of the strip material, so that the phenomenon that the thermocouple is scattered and falls off in the strip material running process is avoided.
After the arrangement of the thermocouples is finished, the thermocouples must be checked and confirmed to be located at the central line position of the production line, namely, a strip temperature sampling area formed after the thermocouples are installed needs to be located at the central line position of the production line, and therefore deviation of temperature measuring lines of the thermocouples is prevented from being clamped in the furnace.
In the attached drawing, X is the width of a hearth; y is the strip width; and Z is the spacing between adjacent thermocouples.
Example 1
Before temperature measurement, the furnace gas temperature of the air cushion type continuous heat treatment line is raised to the set temperature of 580 ℃, and heat preservation is carried out for 2 hours; drilling a hole on a strip at the inlet of an air cushion type continuous heat treatment line by using a drill bit, and arranging a temperature thermocouple in the following way: the thermocouple is fixed on the strip by using the rivet, so that the thermocouple is prevented from falling off when the temperature measuring strip moves. And connecting the other end of the thermocouple into a signal input port of the paperless recorder so as to receive temperature measurement signal data of the thermocouple in real time.
After the thermocouple is fixed, starting to test the temperature of the strip according to a preset production speed, wherein the preset speed is controlled according to 24 m/min; in the test process, the air cushion type continuous heat treatment line is accelerated to a set speed at one time. After the strip runs for 3min, the temperature thermocouple enters a cooling section, and the remaining thermocouple extension lines at the inlet of the air cushion type continuous heat treatment line are cut off, so that the damage of a paperless recorder is avoided.
And exporting the recorded data of the paperless recorder, processing the data by using Excel or other data processing software, and drawing a time-temperature curve graph. The specific temperature test results are shown in fig. 5.
The data processing result shows that the temperature thermocouple records the temperature from entering the furnace, the uniformity of the furnace gas temperature is good, and the requirement of measurement accuracy is met.
Example 2
Before temperature measurement, the furnace gas temperature of the air cushion type continuous heat treatment line is raised to the set temperature of 300 ℃, and heat is preserved for 1 hour; drilling a hole on a strip at the inlet of an air cushion type continuous heat treatment line by using a drill bit, and arranging a temperature thermocouple in the following way: the thermocouple is fixed on the strip by using the rivet, so that the thermocouple is prevented from falling off when the temperature measuring strip moves. And connecting the other end of the thermocouple to a signal input port of the paperless recorder so as to receive temperature measurement signal data of the thermocouple in real time.
After the thermocouple is fixed, starting to test the temperature of the strip according to a preset production speed, wherein the preset speed is controlled according to 24 m/min; in the test process, the air cushion type continuous heat treatment line is accelerated to a set speed at one time. After the strip runs for 3min, the temperature thermocouple enters a cooling section, and the extension line of the thermocouple remaining at the inlet of the air cushion type continuous heat treatment line is cut off, so that the damage of a paperless recorder is avoided.
And exporting the recorded data of the paperless recorder, processing the data by using Excel or other data processing software, and drawing a time-temperature curve graph. The specific temperature test results are shown in fig. 6.
The data processing result shows that the temperature thermocouple records the temperature from entering the furnace, the uniformity of the furnace gas temperature is good, and the requirement of measurement accuracy is met.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (10)
1. A furnace gas temperature measuring method of an air cushion type continuous heat treatment line is used for measuring the furnace gas temperature of an annealing furnace of the air cushion type continuous heat treatment line and is characterized in that: the temperature measuring method uses a supporting piece to support a thermocouple connected with a recording instrument on the surface of the strip material; when the strip passes through the air cushion type continuous heat treatment line, the recording instrument measures the furnace gas temperature of the air cushion furnace of the air cushion type continuous heat treatment line through the thermocouple in a moving state.
2. The furnace gas temperature measurement method of the air cushion type continuous heat treatment line according to claim 1, characterized in that: the strip material is made to float by the air cushion type continuous heat treatment line with tension and the force of the circulating fan wind while passing through the air cushion type continuous heat treatment line.
3. The furnace gas temperature measurement method of the air cushion type continuous heat treatment line according to claim 1, characterized in that: in the temperature measuring method, a clamp is used as a support part, and the method comprises the following steps;
step S1, before temperature measurement, the air cushion furnace is heated and kept warm for a preset time, and a plurality of mounting holes are drilled on the surface of the strip at the inlet of the air cushion type continuous heat treatment line;
s2, winding the heads of the positive and negative temperature measuring wires of the thermocouple into twist-shaped ends, winding the twist-shaped ends after short-circuit connection on a fastener, fixing the fastener in a fixing hole on a clamp, and fixing the clamp in a mounting hole at the strip, so that the positive and negative electrodes of the twist-shaped ends of the thermocouple can be exposed in furnace gas when passing through an air cushion furnace but do not contact with the surface of the strip, and sampling points for temperature measurement are formed;
step S3, bundling the thermocouple at intervals by using waste thermocouple temperature measuring wires at the middle part of the thermocouple extension line behind the thermocouple twist-shaped end;
step S4, connecting the tail part of the thermocouple extension line, namely the other end of the thermocouple to a recorder, and checking one end of the twist-shaped end of the thermocouple by using a heat source before measuring the temperature by using the recorder;
and step S5, cutting the extension line of the thermocouple to finish the data recording when the strip temperature sampling area where the sampling point is located reaches the cooling section of the air cushion type continuous heat treatment line, and then taking the thermocouple and the rivet off the strip and taking the rivet out of the furnace.
4. The temperature measuring method for furnace gas of the air cushion type continuous heat treatment line according to claim 3, characterized in that: the recording instrument is a paperless recording instrument with an automatic storage function; the recording instrument measures the furnace gas in the annealing furnace through a thermocouple to obtain the actual temperature of the furnace gas, and evaluates the temperature control precision condition of the annealing furnace, wherein the recording interval is less than or equal to 1 group/second.
5. The furnace gas temperature measurement method of the air cushion type continuous heat treatment line according to claim 3, characterized in that: in step S1, the heat preservation time of the air cushion furnace is longer than 1h to ensure that the hearth is fully heated and the temperature is uniform;
the fasteners in step S2 are rivets; when the phenomenon of online dispersion exists at one end of a thermocouple sampling point, the dispersed wires are fixed on the surface of the strip material by using a clamp, and the surface insulating skin of the dispersed wires is not damaged when the dispersed wires are fixed;
in step S3, winding and binding high-temperature resistant glass fiber tapes at the thermocouple extension line part 50-100mm below the thermocouple twist-shaped end head, wherein the interval distance of the binding points of the used waste thermocouple wires is less than or equal to 5 m; the fixing mode of the thermocouple extension line at the strip material comprises riveting or high-temperature cementing; .
6. The furnace gas temperature measurement method of the air cushion type continuous heat treatment line according to claim 3, characterized in that: in step S2, the thermocouple precision of the thermocouple is first-level precision, and the distance between the twist-shaped end of the thermocouple and the surface of the strip is more than or equal to 5 mm.
7. The furnace gas temperature measurement method of the air cushion type continuous heat treatment line according to claim 3, characterized in that: the operation side, the middle part and the transmission side of the strip in the width direction are respectively provided with at least one sampling point; all sampling points are uniformly arranged on the surface of the strip, thermocouple measuring end heads at all the sampling points are tilted, short-circuit points of a positive electrode and a negative electrode at a measuring end are uniformly arranged, and the short-circuit point at the rear part of the measuring end is exposed in furnace gas when entering the air cushion furnace so that the sampling part at the measuring end is fully contacted with the furnace gas.
8. The furnace gas temperature measurement method of the air cushion type continuous heat treatment line according to claim 3, characterized in that: the width of the strip material is close to the maximum width of the equipment capacity of the air cushion type continuous heat treatment line; the length of the thermocouple is not less than the length of the air cushion type continuous heat treatment line.
9. The temperature measuring method for furnace gas of the air cushion type continuous heat treatment line according to claim 3, characterized in that: in step S5, the strip temperature sampling region formed after the thermocouple is installed is located at the centerline of the air-cushion continuous heat treatment line.
10. The furnace gas temperature measurement method of the air cushion type continuous heat treatment line according to claim 1, characterized in that: the length of the thermocouple and the extension line thereof is not less than the length of the air cushion type continuous heat treatment line, all sampling points are uniformly distributed on the same straight line, and the connecting line between the sampling points is vertical to the feeding direction of the strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111365540.6A CN114088229A (en) | 2021-11-18 | 2021-11-18 | Air cushion type continuous heat treatment line furnace gas temperature measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111365540.6A CN114088229A (en) | 2021-11-18 | 2021-11-18 | Air cushion type continuous heat treatment line furnace gas temperature measurement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114088229A true CN114088229A (en) | 2022-02-25 |
Family
ID=80301796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111365540.6A Pending CN114088229A (en) | 2021-11-18 | 2021-11-18 | Air cushion type continuous heat treatment line furnace gas temperature measurement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114088229A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003057119A (en) * | 2001-08-20 | 2003-02-26 | Babcock Hitachi Kk | Gasification furnace provided with temperature measuring device |
| CN101968385A (en) * | 2010-09-30 | 2011-02-09 | 武汉钢铁(集团)公司 | Method for follow-up testing of temperature of steel billet in furnace |
| CN102564644A (en) * | 2011-12-20 | 2012-07-11 | 东北大学 | Temperature online measuring method for plate blank in production process of heating furnace |
| CN104713657A (en) * | 2015-02-02 | 2015-06-17 | 北京科技大学 | Measuring method for determining actual inner temperature of steel block in resistance furnace |
| CN207439154U (en) * | 2017-02-28 | 2018-06-01 | 宝山钢铁股份有限公司 | The device of thermo parameters method in a kind of on-line testing ignition furnace of sintering machine-holding furnace |
| CN214621517U (en) * | 2021-04-12 | 2021-11-05 | 南南铝业股份有限公司 | Device for measuring temperature of long aluminum alloy section by off-line roller-bottom continuous heat treatment material |
-
2021
- 2021-11-18 CN CN202111365540.6A patent/CN114088229A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003057119A (en) * | 2001-08-20 | 2003-02-26 | Babcock Hitachi Kk | Gasification furnace provided with temperature measuring device |
| CN101968385A (en) * | 2010-09-30 | 2011-02-09 | 武汉钢铁(集团)公司 | Method for follow-up testing of temperature of steel billet in furnace |
| CN102564644A (en) * | 2011-12-20 | 2012-07-11 | 东北大学 | Temperature online measuring method for plate blank in production process of heating furnace |
| CN104713657A (en) * | 2015-02-02 | 2015-06-17 | 北京科技大学 | Measuring method for determining actual inner temperature of steel block in resistance furnace |
| CN207439154U (en) * | 2017-02-28 | 2018-06-01 | 宝山钢铁股份有限公司 | The device of thermo parameters method in a kind of on-line testing ignition furnace of sintering machine-holding furnace |
| CN214621517U (en) * | 2021-04-12 | 2021-11-05 | 南南铝业股份有限公司 | Device for measuring temperature of long aluminum alloy section by off-line roller-bottom continuous heat treatment material |
Non-Patent Citations (1)
| Title |
|---|
| С.Л.ЦУКОВ 等: "铝合金带材气垫式连续退火炉的操作经验" * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108655203B (en) | Method for quickly identifying and monitoring camber defect of hot continuous rolling strip steel | |
| CN108917960B (en) | Device and method for measuring billet heating temperature uniformity | |
| US20090101627A1 (en) | Electric discharge machine having wire electrode cutting function, and wire electrode cutting method | |
| CN114088229A (en) | Air cushion type continuous heat treatment line furnace gas temperature measurement method | |
| CN104913854A (en) | Device capable of carrying out whole-process tracking test on temperature uniformity of suspension-type thermal treatment furnace | |
| CN101417292B (en) | Method for controlling middle, low grade electric steel rolling using conventional rolling model | |
| CN103945975A (en) | Monitoring method for plasma arc welding and plasma arc welding device | |
| CN114088230A (en) | Air cushion type continuous heat treatment line strip load temperature measuring method | |
| CN110819790A (en) | Method for detecting furnace temperature consistency of continuous heating furnace | |
| CN117080624B (en) | Battery heating control method and system | |
| CN103230945B (en) | Strip-mill strip roller surface temperature measurement on-line device and method of testing thereof | |
| JPS5946703B2 (en) | Continuous casting method using a mold equipped with a mold temperature measuring element | |
| CN111421119A (en) | Online prediction method for longitudinal cracks on surface of continuous casting slab | |
| CN108227673A (en) | A kind of appraisal procedure for predicting the stopping sliding door controller service life | |
| CN207227499U (en) | The automatic annealing machine of precision steel strip | |
| JPS6136049B2 (en) | ||
| EP1707933B1 (en) | A method for determining the fundamental oscillation frequency in an optical fibre and an application of a tensile force thus measured | |
| JPS5946702B2 (en) | Continuous casting mold | |
| CN112697290B (en) | Method for detecting charging temperature of steel billet | |
| CN211626134U (en) | On-line temperature monitoring system for heated body of heat treatment furnace | |
| CN211553120U (en) | Automatic material temperature measuring device for multi-station coiled materials | |
| US11926104B2 (en) | Monitoring during additive manufacturing process using thermocouples | |
| CN216847579U (en) | Aluminum foil defect detection device in aluminum foil rolling process | |
| WO2024087330A1 (en) | High-voltage cable insulation material continuous extrusion processing characteristic evaluation and optimization method and apparatus | |
| CN220251698U (en) | Friction testing device for wire rod surface coating for aviation fastener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |