CN111707095A - Continuous heating furnace for temperature subsection detection - Google Patents
Continuous heating furnace for temperature subsection detection Download PDFInfo
- Publication number
- CN111707095A CN111707095A CN202010524926.6A CN202010524926A CN111707095A CN 111707095 A CN111707095 A CN 111707095A CN 202010524926 A CN202010524926 A CN 202010524926A CN 111707095 A CN111707095 A CN 111707095A
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- Prior art keywords
- furnace
- continuous heating
- temperature
- heating furnace
- box
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
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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
- G01K1/022—Means for indicating or recording specially adapted for thermometers for recording
-
- 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
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
- G01K1/125—Protective devices, e.g. casings for preventing damage due to heat overloading for siderurgical use
-
- 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
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
-
- 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
- G01K7/04—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 the object to be measured not forming one of the thermoelectric materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention belongs to the technical field of continuous heating furnaces, and particularly relates to a continuous heating furnace for temperature sectional detection, which comprises a continuous heating furnace, wherein a feeding frame and a discharging frame are respectively arranged at two ends of the continuous heating furnace; the heat insulation box can make linear displacement on the guide rail, sequentially passes through the furnace tail, the furnace and the furnace head of the continuous heating furnace, detects the temperatures of the furnace tail, the furnace and the furnace head in a segmented manner, records the detection data as a continuous temperature curve, and facilitates the subsequent analysis of workers; the inner wall of inner box is filled with thermal-insulated inner liner, and the inner liner is thermal insulation material for the separation temperature prevents that the high temperature from damaging thermoscope and the record ware that the inner box was placed, and when damage appeared in thermoscope and record ware, the inner box was opened in the pull, can carry out the change of thermoscope and record ware.
Description
Technical Field
The invention relates to the technical field of continuous heating furnaces, in particular to a continuous heating furnace for temperature subsection detection.
Background
The continuous heating furnace is the most commonly used furnace when a steel rolling workshop heats steel materials, the temperature is generally about 900-1350 ℃ when the blanks are heated, the temperature is generally about 700-1150 ℃ when the blanks are heat-treated, the work of the furnace is continuous in the continuous heating furnace, the blanks are loaded from the tail of the furnace with lower furnace temperature, move to the head of the furnace with higher furnace temperature at a certain speed under the mechanical action and move in a reverse direction with hot gas in a hearth, and the blanks are continuously discharged from the furnace when being heated to the temperature required by the process.
The technical problems in the prior art are as follows:
1. the furnace body of the continuous heating furnace is continuously heated, the temperatures of the furnace tail, the furnace and the furnace head are different, when the temperature is measured, the temperature of the furnace tail, the furnace and the furnace head is independently detected, the temperature data of the contact point of the furnace tail furnace and the furnace head in the furnace can not be measured, so that the measured temperature data curve is inconvenient to analyze, and the arrangement of a workpiece is influenced;
2. the furnace temperature of continuous heating furnace is higher, and built-in thermocouple is installed when directly carrying out temperature detection on the inside lining of furnace body, and the thermocouple can damage fast, and temperature detection cost is too high, and built-in thermocouple when damaging, needs the staff to get into the stove and changes, has the inconvenient problem of change.
In order to solve the above problems, the present application provides a continuous heating furnace with temperature detection in a segmented manner.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a continuous heating furnace for temperature subsection detection, which can measure the temperature by replacing a built-in thermocouple with a temperature measuring device, can carry out temperature subsection detection, can measure the temperature continuous curve data of a furnace tail, a furnace interior and a furnace head, and has the advantages of heat insulation design, long service life and convenient replacement.
(II) technical scheme
In order to solve the problems, the invention provides a continuous heating furnace for temperature sectional detection, which comprises a continuous heating furnace, wherein a feeding frame and a discharging frame are respectively arranged at two ends of the continuous heating furnace;
the chain net rack is also provided with a guide rail device, the guide rail device comprises a guide rail, an electric slider and a sliding plate, the guide rail is arranged on the side wall of the chain net rack, the electric slider is embedded in the inner wall of the guide rail, the sliding plate is arranged on the electric slider, the sliding plate and the guide rail are subjected to reciprocating linear displacement through the electric slider, and the sliding plate is provided with a box rack;
the temperature measuring device is clamped in a gap between the box frame and the sliding plate and comprises a heat insulation box with a box body structure, an inner box is arranged in the heat insulation box, a temperature measuring instrument for detecting temperature and a recorder for recording temperature data are arranged in the inner box, and a data cable for transmitting data is connected between the recorder and the temperature measuring instrument.
Preferably, the box frame is an L-shaped component, and the specification of the clamping distance between the box frame and the sliding plate is matched with the specification of the heat insulation box.
Preferably, the length of the guide rail is the same as that of the chain net rack, and the sliding plate in sliding connection with the guide rail sequentially passes through a furnace tail, a furnace and a furnace head in the continuous heating furnace.
Preferably, a drawer structure is arranged between the heat insulation box and the inner box and can be drawn, and a heat insulation inner liner layer is filled in the inner wall of the inner box.
Preferably, a workpiece is placed on the chain net, and a temperature sensor is clamped inside the workpiece.
Preferably, both ends of the temperature sensor are connected with thermocouples penetrating through the outer wall of the workpiece.
Preferably, the furnace tail, the furnace and the top of the furnace head in the continuous heating furnace are connected with circulating fans for ventilation.
The technical scheme of the invention has the following beneficial technical effects:
1. the heat insulation box can make linear displacement on the guide rail, sequentially passes through the furnace tail, the furnace and the furnace head of the continuous heating furnace, detects the temperatures of the furnace tail, the furnace and the furnace head in a segmented mode, records the detection data as a continuous temperature curve, and facilitates the follow-up analysis of workers.
2. The inner wall of inner box is filled with thermal-insulated inner liner, and the inner liner is thermal insulation material for the separation temperature prevents that the high temperature from damaging thermoscope and the record ware that the inner box was placed, and when damage appeared in thermoscope and record ware, the inner box was opened in the pull, can carry out the change of thermoscope and record ware.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of a temperature sensor connecting workpiece according to the present invention;
FIG. 4 is a schematic view of the track arrangement of the present invention;
fig. 5 is a schematic structural diagram of a temperature measuring device according to the present invention.
Reference numerals:
1. a continuous heating furnace; 2. a feeding frame; 3. a discharging frame; 4. a circulating fan; 5. a chain net rack; 501. a chain net; 6. a guide rail device; 61. a guide rail; 62. an electric slider; 63. a slide plate; 64. a box frame; 7. a temperature measuring device; 71. a heat insulation box; 72. an inner box; 73. an inner liner layer; 74. a recorder; 75. a temperature measuring instrument; 8. a workpiece; 9. a temperature sensor; 901. and a thermocouple.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
As shown in fig. 1-3, the continuous heating furnace for temperature segment detection provided by the invention comprises a continuous heating furnace 1, wherein a feeding frame 2 and a discharging frame 3 are respectively installed at two ends of the continuous heating furnace 1, a chain net frame 5 is connected among the continuous heating furnace 1, the feeding frame 2 and the discharging frame 3, and a chain net 501 for reciprocating and circularly conveying materials is installed inside the chain net frame 5.
It should be noted that: the furnace tail, the furnace and the top of the furnace head in the continuous heating furnace 1 are connected with circulating fans 4 for ventilation; the circulating fan 4 supplies air to heat the heating areas of the furnace tail, the furnace and the furnace head in the continuous heating furnace 1, and the temperature in the heating areas of the furnace tail, the furnace and the furnace head is kept balanced.
As a material heating example, the material is placed on a chain net 501 of a feeding frame 2, a driving mechanism in a chain net frame 5 drives the chain net 501 to reciprocate, the material moves along with the movement of the chain net 501 at each section of a furnace tail, a furnace and a furnace head of a continuous heating furnace 1 for continuous heating, and the material is discharged through a discharging frame 3 after being processed to meet the process requirements.
Example 2
As shown in fig. 3-5, the chain net rack 5 is further provided with a guide rail device 6, the guide rail device 6 comprises a guide rail 61, an electric slider 62 and a sliding plate 63, the guide rail 61 is installed on the side wall of the chain net rack 5, the electric slider 62 is embedded in the inner wall of the guide rail 61, the sliding plate 63 is installed on the electric slider 62, the sliding plate 63 and the guide rail 61 perform reciprocating linear displacement through the electric slider 62, and the box rack 64 is installed on the sliding plate 63;
a temperature measuring device 7 is clamped in a gap between the box frame 64 and the sliding plate 63, the temperature measuring device 7 comprises a heat insulation box 71 with a box body structure, an inner box 72 is arranged in the heat insulation box 71, a temperature measuring instrument 75 for detecting temperature and a recorder 74 for recording temperature data are arranged in the inner box 72, and a data cable for transmitting data is connected between the recorder 74 and the temperature measuring instrument 75.
It should be noted that: the length of the guide rail 61 is the same as that of the chain net rack 5, and the sliding plate 63 connected with the guide rail 61 in a sliding way sequentially passes through the furnace tail, the furnace and the furnace head in the continuous heating furnace 1; slide 63 carries out reciprocal straight line displacement on guide rail 61 through electronic slider 62, because the stove internal temperature is too high, can establish thermal-insulated structure at electronic slider 62 outer wall cover, prevents that high temperature from causing electronic slider 62 to be out of control.
In an alternative embodiment, the box frame 64 is an L-shaped member, and the clamping distance between the box frame 64 and the sliding plate 63 is matched with the specification of the heat insulation box 71; the heat insulating box 71 is held and fixed in a gap between the box frame 64 and the slide plate 63, and a temperature measuring instrument 75 and a recorder 74 for temperature detection are built in the heat insulating box 71 to detect and record the temperature.
In an alternative embodiment, the box frame 64 is a placement plate mounted on the slide 63, on which the heat insulation box 71 is mounted; wherein the heat insulation box 71 is fixed by screwing;
or the fixing mode is welding.
In an alternative embodiment, a drawer structure is arranged between the heat insulation box 71 and the inner box 72, and the inner wall of the inner box 72 is filled with a heat insulation inner lining layer 73; the lining layer 73 is made of heat insulating materials and used for blocking temperature and preventing the temperature measuring instrument 75 and the recorder 74 which are arranged in the inner box 72 from being damaged due to overhigh temperature, and when the temperature measuring instrument 75 and the recorder 74 are damaged, the inner box 72 is pulled and opened, so that the temperature measuring instrument 75 and the recorder 74 can be replaced.
Examples of displacements of the temperature measuring device in the present invention are: fixing a heat insulation box 71 between a box frame 64 and a sliding plate 63, wherein the sliding plate 63 linearly moves on a guide rail 61 through an electric sliding block 62, and the heat insulation box 71 sequentially passes through a furnace tail, a furnace and a furnace head in the moving process to continuously detect the temperature of each section of the furnace tail, the furnace and the furnace head; when the heat insulation box 71 moves to the tail end of the guide rail 61, the position is on the discharging frame 3, a temperature measuring process is completed, and the heat insulation box 71 can be directly opened to take out the temperature measuring instrument 75 and the recorder 74 for extracting temperature data.
According to the invention, a temperature measuring instrument 75 and a recorder 74 are placed in an inner box 72 of a heat insulation box 71, the heat insulation box 71 and the inner box 72 are of a double-layer structure, a heat insulation lining layer is arranged on the inner wall of the inner box 72, the temperature in the furnace is reduced by the structure and then is transmitted into the inner box 72, after the temperature measuring instrument 75 measures the temperature of the inner box 72, data is transmitted to the recorder 74 through a data cable, the temperature of the furnace tail, the temperature of the furnace and the temperature of the furnace head in the furnace can be continuously recorded along with the displacement of the heat insulation box 71 on a guide rail 61 in the furnace, the overall temperature curve of the furnace tail, the furnace and the furnace head section in the furnace can;
the heat insulation conversion formula is as follows: q ═ kF (t0-t 1);
the measured data can directly reflect the temperature in the furnace, and the staff can carry out subsequent operation according to the data curve.
Example 3
As shown in fig. 3, a workpiece 8 is placed on a chain net 501, a temperature sensor 9 is held between the workpieces 8, and thermocouples 901 penetrating the outer wall of the workpiece 8 are connected to both ends of the temperature sensor 9.
It should be noted that, the temperature sensor 9 is directly mounted on the workpiece 8, and the mounting position is not limited, and only the temperature sensor 9 can move along with the workpiece 8.
In the embodiment, the direct joint of the temperature sensor 9 on the workpiece 8 carries out temperature measurement through the thermocouple 901, and the thermocouple 901 can only measure the highest temperature of the furnace tail, the furnace and the furnace head in the furnace, but the measured highest temperature can be compared with the temperature data measured by the temperature measurer 75 in the heat insulation box 71 for analysis.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A continuous heating furnace for temperature subsection detection comprises a continuous heating furnace (1), wherein a feeding frame (2) and a discharging frame (3) are respectively installed at two ends of the continuous heating furnace (1), a chain net rack (5) is connected among the continuous heating furnace (1), the feeding frame (2) and the discharging frame (3), and a chain net (501) for conveying materials in a reciprocating and circulating mode is installed inside the chain net rack (5);
the chain net rack (5) is further provided with a guide rail device (6), the guide rail device (6) comprises a guide rail (61), an electric slider (62) and a sliding plate (63), the guide rail (61) is installed on the side wall of the chain net rack (5), the electric slider (62) is embedded into the inner wall of the guide rail (61), the sliding plate (63) is installed on the electric slider (62), reciprocating linear displacement is carried out between the sliding plate (63) and the guide rail (61) through the electric slider (62), and a box frame (64) is installed on the sliding plate (63);
a temperature measuring device (7) is clamped in a gap between the box frame (64) and the sliding plate (63), the temperature measuring device (7) comprises a heat insulation box (71) of a box body structure, an inner box (72) is installed inside the heat insulation box (71), a temperature measuring instrument (75) for detecting temperature and a recorder (74) for recording temperature data are placed inside the inner box (72), and a data cable for transmitting data is connected between the recorder (74) and the temperature measuring instrument (75).
2. The continuous heating furnace according to the temperature segment detection of claim 1, wherein the box frame (64) is an L-shaped member, and a specification of a nip between the box frame (64) and the slide plate (63) matches a specification of the heat insulating box (71).
3. The continuous heating furnace for temperature segment detection according to claim 1, characterized in that the length of the guide rail (61) is the same as that of the chain net rack (5), and a sliding plate (63) slidably connected on the guide rail (61) passes through a furnace head, a furnace and a furnace tail in the continuous heating furnace (1) in sequence.
4. The continuous heating furnace according to the claim 1, characterized in that, a drawer structure is provided between the heat insulation box (71) and the inner box (72) for drawing, and the inner wall of the inner box (72) is filled with a heat insulation inner lining layer (73).
5. The continuous heating furnace according to the temperature segment detection of claim 1, wherein a workpiece (8) is placed on the chain net (501), and a temperature sensor (9) is clamped inside the workpiece (8).
6. A continuous heating furnace according to the claim 5, characterized in that the temperature sensor (9) has thermocouples (901) connected to both ends thereof and penetrating the outer wall of the workpiece (8).
7. The continuous heating furnace for temperature subsection detection according to claim 1, characterized in that a circulating fan (4) for ventilation is connected to the top of the furnace head, the furnace and the furnace tail in the continuous heating furnace (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010524926.6A CN111707095A (en) | 2020-06-10 | 2020-06-10 | Continuous heating furnace for temperature subsection detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010524926.6A CN111707095A (en) | 2020-06-10 | 2020-06-10 | Continuous heating furnace for temperature subsection detection |
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| Publication Number | Publication Date |
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| CN111707095A true CN111707095A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010524926.6A Pending CN111707095A (en) | 2020-06-10 | 2020-06-10 | Continuous heating furnace for temperature subsection detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503929A (en) * | 2020-11-18 | 2021-03-16 | 贵州航天计量测试技术研究所 | Mesh belt sintering furnace temperature sensor fixing device, testing system and using method |
| AT524840B1 (en) * | 2021-10-08 | 2022-10-15 | Ebner Ind Ofenbau | Measuring system for determining the temperature |
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| JP2007139757A (en) * | 2005-10-20 | 2007-06-07 | Ngk Insulators Ltd | Thermal insulation container for thermometry |
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| CN112503929A (en) * | 2020-11-18 | 2021-03-16 | 贵州航天计量测试技术研究所 | Mesh belt sintering furnace temperature sensor fixing device, testing system and using method |
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| AT524840B1 (en) * | 2021-10-08 | 2022-10-15 | Ebner Ind Ofenbau | Measuring system for determining the temperature |
| AT524840A4 (en) * | 2021-10-08 | 2022-10-15 | Ebner Ind Ofenbau | Measuring system for determining the temperature |
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Application publication date: 20200925 |